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Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2007-2012 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
Joe Perchesf1deab52011-08-14 12:16:21 +000018#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020020#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/device.h> /* for dev_info() */
24#include <linux/timer.h>
25#include <linux/errno.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020028#include <linux/interrupt.h>
29#include <linux/pci.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/dma-mapping.h>
35#include <linux/bitops.h>
36#include <linux/irq.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/time.h>
40#include <linux/ethtool.h>
41#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080042#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030044#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000054#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000055#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070056#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058#include "bnx2x.h"
59#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000061#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000062#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000063#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020064
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070065#include <linux/firmware.h>
66#include "bnx2x_fw_file_hdr.h"
67/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000068#define FW_FILE_VERSION \
69 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
70 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
71 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
72 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000073#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
74#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000075#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070076
Barak Witkowski2e499d32012-06-26 01:31:19 +000077#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
78
Eilon Greenstein34f80b02008-06-23 20:33:01 -070079/* Time in jiffies before concluding the transmitter is hung */
80#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020081
Andrew Morton53a10562008-02-09 23:16:41 -080082static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030083 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020084 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
85
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070086MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000087MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030088 "BCM57710/57711/57711E/"
89 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
90 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020091MODULE_LICENSE("GPL");
92MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000093MODULE_FIRMWARE(FW_FILE_NAME_E1);
94MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000095MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020096
Eilon Greensteinca003922009-08-12 22:53:28 -070097
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000098int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000099module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000100MODULE_PARM_DESC(num_queues,
101 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000102
Eilon Greenstein19680c42008-08-13 15:47:33 -0700103static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700104module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000105MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000107#define INT_MODE_INTx 1
108#define INT_MODE_MSI 2
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000109int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000110module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300111MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000112 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000113
Eilon Greensteina18f5122009-08-12 08:23:26 +0000114static int dropless_fc;
115module_param(dropless_fc, int, 0);
116MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
117
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000118static int mrrs = -1;
119module_param(mrrs, int, 0);
120MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
121
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000124MODULE_PARM_DESC(debug, " Default debug msglevel");
125
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200126
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300127
128struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200130enum bnx2x_board_type {
131 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300132 BCM57711,
133 BCM57711E,
134 BCM57712,
135 BCM57712_MF,
136 BCM57800,
137 BCM57800_MF,
138 BCM57810,
139 BCM57810_MF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300140 BCM57840_O,
141 BCM57840_4_10,
142 BCM57840_2_20,
143 BCM57840_MFO,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000144 BCM57840_MF,
145 BCM57811,
146 BCM57811_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200147};
148
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700149/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800150static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200151 char *name;
152} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300153 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
154 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
155 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
156 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
157 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
158 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
159 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
160 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
161 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
162 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
Yuval Mintzc3def942012-07-23 10:25:43 +0300163 { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
164 { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
165 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000166 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
167 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet"},
168 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function"},
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200169};
170
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300171#ifndef PCI_DEVICE_ID_NX2_57710
172#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57711
175#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57711E
178#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57712
181#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57712_MF
184#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57800
187#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57800_MF
190#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57810
193#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57810_MF
196#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
197#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300198#ifndef PCI_DEVICE_ID_NX2_57840_O
199#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57840_4_10
202#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
203#endif
204#ifndef PCI_DEVICE_ID_NX2_57840_2_20
205#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
206#endif
207#ifndef PCI_DEVICE_ID_NX2_57840_MFO
208#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300209#endif
210#ifndef PCI_DEVICE_ID_NX2_57840_MF
211#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
212#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000213#ifndef PCI_DEVICE_ID_NX2_57811
214#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
215#endif
216#ifndef PCI_DEVICE_ID_NX2_57811_MF
217#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
218#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000219static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000220 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
221 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
222 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000223 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300224 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
225 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
226 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
227 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
228 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300229 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
230 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
231 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
232 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300233 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000234 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
235 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200236 { 0 }
237};
238
239MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
240
Yuval Mintz452427b2012-03-26 20:47:07 +0000241/* Global resources for unloading a previously loaded device */
242#define BNX2X_PREV_WAIT_NEEDED 1
243static DEFINE_SEMAPHORE(bnx2x_prev_sem);
244static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200245/****************************************************************************
246* General service functions
247****************************************************************************/
248
Eric Dumazet1191cb82012-04-27 21:39:21 +0000249static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300250 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000251{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300252 REG_WR(bp, addr, U64_LO(mapping));
253 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000254}
255
Eric Dumazet1191cb82012-04-27 21:39:21 +0000256static void storm_memset_spq_addr(struct bnx2x *bp,
257 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300258{
259 u32 addr = XSEM_REG_FAST_MEMORY +
260 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
261
262 __storm_memset_dma_mapping(bp, addr, mapping);
263}
264
Eric Dumazet1191cb82012-04-27 21:39:21 +0000265static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
266 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300267{
268 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
269 pf_id);
270 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
271 pf_id);
272 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
273 pf_id);
274 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
275 pf_id);
276}
277
Eric Dumazet1191cb82012-04-27 21:39:21 +0000278static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
279 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300280{
281 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
282 enable);
283 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
284 enable);
285 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
286 enable);
287 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
288 enable);
289}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000290
Eric Dumazet1191cb82012-04-27 21:39:21 +0000291static void storm_memset_eq_data(struct bnx2x *bp,
292 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000293 u16 pfid)
294{
295 size_t size = sizeof(struct event_ring_data);
296
297 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
298
299 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
300}
301
Eric Dumazet1191cb82012-04-27 21:39:21 +0000302static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
303 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000304{
305 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
306 REG_WR16(bp, addr, eq_prod);
307}
308
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200309/* used only at init
310 * locking is done by mcp
311 */
stephen hemminger8d962862010-10-21 07:50:56 +0000312static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200313{
314 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
315 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
316 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
317 PCICFG_VENDOR_ID_OFFSET);
318}
319
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200320static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
321{
322 u32 val;
323
324 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
325 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
326 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
327 PCICFG_VENDOR_ID_OFFSET);
328
329 return val;
330}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000332#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
333#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
334#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
335#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
336#define DMAE_DP_DST_NONE "dst_addr [none]"
337
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200339/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000340void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200341{
342 u32 cmd_offset;
343 int i;
344
345 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
346 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
347 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200348 }
349 REG_WR(bp, dmae_reg_go_c[idx], 1);
350}
351
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000352u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
353{
354 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
355 DMAE_CMD_C_ENABLE);
356}
357
358u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
359{
360 return opcode & ~DMAE_CMD_SRC_RESET;
361}
362
363u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
364 bool with_comp, u8 comp_type)
365{
366 u32 opcode = 0;
367
368 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
369 (dst_type << DMAE_COMMAND_DST_SHIFT));
370
371 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
372
373 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400374 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
375 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000376 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
377
378#ifdef __BIG_ENDIAN
379 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
380#else
381 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
382#endif
383 if (with_comp)
384 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
385 return opcode;
386}
387
stephen hemminger8d962862010-10-21 07:50:56 +0000388static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
389 struct dmae_command *dmae,
390 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391{
392 memset(dmae, 0, sizeof(struct dmae_command));
393
394 /* set the opcode */
395 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
396 true, DMAE_COMP_PCI);
397
398 /* fill in the completion parameters */
399 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
400 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
401 dmae->comp_val = DMAE_COMP_VAL;
402}
403
404/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000405static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
406 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000407{
408 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000409 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000410 int rc = 0;
411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300412 /*
413 * Lock the dmae channel. Disable BHs to prevent a dead-lock
414 * as long as this code is called both from syscall context and
415 * from ndo_set_rx_mode() flow that may be called from BH.
416 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800417 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000418
419 /* reset completion */
420 *wb_comp = 0;
421
422 /* post the command on the channel used for initializations */
423 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
424
425 /* wait for completion */
426 udelay(5);
427 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000428
Ariel Elior95c6c6162012-01-26 06:01:52 +0000429 if (!cnt ||
430 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
431 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432 BNX2X_ERR("DMAE timeout!\n");
433 rc = DMAE_TIMEOUT;
434 goto unlock;
435 }
436 cnt--;
437 udelay(50);
438 }
439 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
440 BNX2X_ERR("DMAE PCI error!\n");
441 rc = DMAE_PCI_ERROR;
442 }
443
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800445 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000446 return rc;
447}
448
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700449void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
450 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200451{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000452 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700453
454 if (!bp->dmae_ready) {
455 u32 *data = bnx2x_sp(bp, wb_data[0]);
456
Ariel Elior127a4252012-01-26 06:01:46 +0000457 if (CHIP_IS_E1(bp))
458 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
459 else
460 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700461 return;
462 }
463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000464 /* set opcode and fixed command fields */
465 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200466
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000467 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000468 dmae.src_addr_lo = U64_LO(dma_addr);
469 dmae.src_addr_hi = U64_HI(dma_addr);
470 dmae.dst_addr_lo = dst_addr >> 2;
471 dmae.dst_addr_hi = 0;
472 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000474 /* issue the command and wait for completion */
475 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200476}
477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700478void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200479{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000480 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700481
482 if (!bp->dmae_ready) {
483 u32 *data = bnx2x_sp(bp, wb_data[0]);
484 int i;
485
Merav Sicron51c1a582012-03-18 10:33:38 +0000486 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000487 for (i = 0; i < len32; i++)
488 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000489 else
Ariel Elior127a4252012-01-26 06:01:46 +0000490 for (i = 0; i < len32; i++)
491 data[i] = REG_RD(bp, src_addr + i*4);
492
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700493 return;
494 }
495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000496 /* set opcode and fixed command fields */
497 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200498
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000499 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000500 dmae.src_addr_lo = src_addr >> 2;
501 dmae.src_addr_hi = 0;
502 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
503 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
504 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200505
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000506 /* issue the command and wait for completion */
507 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200509
stephen hemminger8d962862010-10-21 07:50:56 +0000510static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
511 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000512{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000513 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000514 int offset = 0;
515
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000516 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000517 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000518 addr + offset, dmae_wr_max);
519 offset += dmae_wr_max * 4;
520 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000521 }
522
523 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
524}
525
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200526static int bnx2x_mc_assert(struct bnx2x *bp)
527{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200528 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700529 int i, rc = 0;
530 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200531
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700532 /* XSTORM */
533 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
534 XSTORM_ASSERT_LIST_INDEX_OFFSET);
535 if (last_idx)
536 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200537
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700538 /* print the asserts */
539 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200540
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700541 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
542 XSTORM_ASSERT_LIST_OFFSET(i));
543 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
544 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
545 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
546 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
547 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
548 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200549
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700550 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000551 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700552 i, row3, row2, row1, row0);
553 rc++;
554 } else {
555 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200556 }
557 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700558
559 /* TSTORM */
560 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
561 TSTORM_ASSERT_LIST_INDEX_OFFSET);
562 if (last_idx)
563 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
564
565 /* print the asserts */
566 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
567
568 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
569 TSTORM_ASSERT_LIST_OFFSET(i));
570 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
571 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
572 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
573 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
574 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
575 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
576
577 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000578 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700579 i, row3, row2, row1, row0);
580 rc++;
581 } else {
582 break;
583 }
584 }
585
586 /* CSTORM */
587 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
588 CSTORM_ASSERT_LIST_INDEX_OFFSET);
589 if (last_idx)
590 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
591
592 /* print the asserts */
593 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
594
595 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
596 CSTORM_ASSERT_LIST_OFFSET(i));
597 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
598 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
599 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
600 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
601 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
602 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
603
604 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000605 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700606 i, row3, row2, row1, row0);
607 rc++;
608 } else {
609 break;
610 }
611 }
612
613 /* USTORM */
614 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
615 USTORM_ASSERT_LIST_INDEX_OFFSET);
616 if (last_idx)
617 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
618
619 /* print the asserts */
620 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
621
622 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
623 USTORM_ASSERT_LIST_OFFSET(i));
624 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
625 USTORM_ASSERT_LIST_OFFSET(i) + 4);
626 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
627 USTORM_ASSERT_LIST_OFFSET(i) + 8);
628 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
629 USTORM_ASSERT_LIST_OFFSET(i) + 12);
630
631 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000632 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700633 i, row3, row2, row1, row0);
634 rc++;
635 } else {
636 break;
637 }
638 }
639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640 return rc;
641}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800642
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000643void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200644{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000645 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000647 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000649 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000650 if (BP_NOMCP(bp)) {
651 BNX2X_ERR("NO MCP - can not dump\n");
652 return;
653 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000654 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
655 (bp->common.bc_ver & 0xff0000) >> 16,
656 (bp->common.bc_ver & 0xff00) >> 8,
657 (bp->common.bc_ver & 0xff));
658
659 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
660 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000661 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000663 if (BP_PATH(bp) == 0)
664 trace_shmem_base = bp->common.shmem_base;
665 else
666 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000667 addr = trace_shmem_base - 0x800;
668
669 /* validate TRCB signature */
670 mark = REG_RD(bp, addr);
671 if (mark != MFW_TRACE_SIGNATURE) {
672 BNX2X_ERR("Trace buffer signature is missing.");
673 return ;
674 }
675
676 /* read cyclic buffer pointer */
677 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000678 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
680 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000681 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200682
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000683 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000684 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200685 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000686 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200687 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000688 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200689 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000690 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200691 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000692 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200693 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000694 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200695 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000696 printk("%s" "end of fw dump\n", lvl);
697}
698
Eric Dumazet1191cb82012-04-27 21:39:21 +0000699static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000700{
701 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200702}
703
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000704void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200705{
706 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000707 u16 j;
708 struct hc_sp_status_block_data sp_sb_data;
709 int func = BP_FUNC(bp);
710#ifdef BNX2X_STOP_ON_ERROR
711 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000712 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000713#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200714
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700715 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000716 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700717 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200719 BNX2X_ERR("begin crash dump -----------------\n");
720
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000721 /* Indices */
722 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000723 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x) spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300724 bp->def_idx, bp->def_att_idx, bp->attn_state,
725 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000726 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
727 bp->def_status_blk->atten_status_block.attn_bits,
728 bp->def_status_blk->atten_status_block.attn_bits_ack,
729 bp->def_status_blk->atten_status_block.status_block_id,
730 bp->def_status_blk->atten_status_block.attn_bits_index);
731 BNX2X_ERR(" def (");
732 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
733 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000734 bp->def_status_blk->sp_sb.index_values[i],
735 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000736
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000737 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
738 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
739 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
740 i*sizeof(u32));
741
Joe Perchesf1deab52011-08-14 12:16:21 +0000742 pr_cont("igu_sb_id(0x%x) igu_seg_id(0x%x) pf_id(0x%x) vnic_id(0x%x) vf_id(0x%x) vf_valid (0x%x) state(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000743 sp_sb_data.igu_sb_id,
744 sp_sb_data.igu_seg_id,
745 sp_sb_data.p_func.pf_id,
746 sp_sb_data.p_func.vnic_id,
747 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300748 sp_sb_data.p_func.vf_valid,
749 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000750
751
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000752 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000753 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000754 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000755 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000756 struct hc_status_block_data_e1x sb_data_e1x;
757 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300758 CHIP_IS_E1x(bp) ?
759 sb_data_e1x.common.state_machine :
760 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000761 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300762 CHIP_IS_E1x(bp) ?
763 sb_data_e1x.index_data :
764 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000765 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000766 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000767 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000768
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000769 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000770 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x) rx_comp_prod(0x%x) rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000771 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000772 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000773 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000774 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x) fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000775 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000776 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000777
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000779 for_each_cos_in_tx_queue(fp, cos)
780 {
Merav Sicron65565882012-06-19 07:48:26 +0000781 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000782 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x) tx_bd_prod(0x%x) tx_bd_cons(0x%x) *tx_cons_sb(0x%x)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000783 i, txdata.tx_pkt_prod,
784 txdata.tx_pkt_cons, txdata.tx_bd_prod,
785 txdata.tx_bd_cons,
786 le16_to_cpu(*txdata.tx_cons_sb));
787 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000788
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300789 loop = CHIP_IS_E1x(bp) ?
790 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000791
792 /* host sb data */
793
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000794#ifdef BCM_CNIC
795 if (IS_FCOE_FP(fp))
796 continue;
797#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000798 BNX2X_ERR(" run indexes (");
799 for (j = 0; j < HC_SB_MAX_SM; j++)
800 pr_cont("0x%x%s",
801 fp->sb_running_index[j],
802 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
803
804 BNX2X_ERR(" indexes (");
805 for (j = 0; j < loop; j++)
806 pr_cont("0x%x%s",
807 fp->sb_index_values[j],
808 (j == loop - 1) ? ")" : " ");
809 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300810 data_size = CHIP_IS_E1x(bp) ?
811 sizeof(struct hc_status_block_data_e1x) :
812 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000813 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300814 sb_data_p = CHIP_IS_E1x(bp) ?
815 (u32 *)&sb_data_e1x :
816 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000817 /* copy sb data in here */
818 for (j = 0; j < data_size; j++)
819 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
820 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
821 j * sizeof(u32));
822
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300823 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000824 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000825 sb_data_e2.common.p_func.pf_id,
826 sb_data_e2.common.p_func.vf_id,
827 sb_data_e2.common.p_func.vf_valid,
828 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300829 sb_data_e2.common.same_igu_sb_1b,
830 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000831 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000832 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000833 sb_data_e1x.common.p_func.pf_id,
834 sb_data_e1x.common.p_func.vf_id,
835 sb_data_e1x.common.p_func.vf_valid,
836 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300837 sb_data_e1x.common.same_igu_sb_1b,
838 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000839 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000840
841 /* SB_SMs data */
842 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000843 pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x) igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
844 j, hc_sm_p[j].__flags,
845 hc_sm_p[j].igu_sb_id,
846 hc_sm_p[j].igu_seg_id,
847 hc_sm_p[j].time_to_expire,
848 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000849 }
850
851 /* Indecies data */
852 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000853 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000854 hc_index_p[j].flags,
855 hc_index_p[j].timeout);
856 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000857 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200858
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000859#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000860 /* Rings */
861 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000862 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000863 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
865 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
866 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000867 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
869 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
870
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000871 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000872 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 }
874
Eilon Greenstein3196a882008-08-13 15:58:49 -0700875 start = RX_SGE(fp->rx_sge_prod);
876 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000877 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700878 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
879 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
880
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000881 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
882 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700883 }
884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200885 start = RCQ_BD(fp->rx_comp_cons - 10);
886 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000887 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
889
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000890 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
891 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200892 }
893 }
894
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000895 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000896 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000897 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000898 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +0000899 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000900
Ariel Elior6383c0b2011-07-14 08:31:57 +0000901 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
902 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
903 for (j = start; j != end; j = TX_BD(j + 1)) {
904 struct sw_tx_bd *sw_bd =
905 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000906
Merav Sicron51c1a582012-03-18 10:33:38 +0000907 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000908 i, cos, j, sw_bd->skb,
909 sw_bd->first_bd);
910 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000911
Ariel Elior6383c0b2011-07-14 08:31:57 +0000912 start = TX_BD(txdata->tx_bd_cons - 10);
913 end = TX_BD(txdata->tx_bd_cons + 254);
914 for (j = start; j != end; j = TX_BD(j + 1)) {
915 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000916
Merav Sicron51c1a582012-03-18 10:33:38 +0000917 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000918 i, cos, j, tx_bd[0], tx_bd[1],
919 tx_bd[2], tx_bd[3]);
920 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000921 }
922 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000923#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700924 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200925 bnx2x_mc_assert(bp);
926 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200927}
928
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300929/*
930 * FLR Support for E2
931 *
932 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
933 * initialization.
934 */
935#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000936#define FLR_WAIT_INTERVAL 50 /* usec */
937#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300938
939struct pbf_pN_buf_regs {
940 int pN;
941 u32 init_crd;
942 u32 crd;
943 u32 crd_freed;
944};
945
946struct pbf_pN_cmd_regs {
947 int pN;
948 u32 lines_occup;
949 u32 lines_freed;
950};
951
952static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
953 struct pbf_pN_buf_regs *regs,
954 u32 poll_count)
955{
956 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
957 u32 cur_cnt = poll_count;
958
959 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
960 crd = crd_start = REG_RD(bp, regs->crd);
961 init_crd = REG_RD(bp, regs->init_crd);
962
963 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
964 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
965 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
966
967 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
968 (init_crd - crd_start))) {
969 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000970 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300971 crd = REG_RD(bp, regs->crd);
972 crd_freed = REG_RD(bp, regs->crd_freed);
973 } else {
974 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
975 regs->pN);
976 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
977 regs->pN, crd);
978 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
979 regs->pN, crd_freed);
980 break;
981 }
982 }
983 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000984 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300985}
986
987static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
988 struct pbf_pN_cmd_regs *regs,
989 u32 poll_count)
990{
991 u32 occup, to_free, freed, freed_start;
992 u32 cur_cnt = poll_count;
993
994 occup = to_free = REG_RD(bp, regs->lines_occup);
995 freed = freed_start = REG_RD(bp, regs->lines_freed);
996
997 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
998 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
999
1000 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1001 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001002 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001003 occup = REG_RD(bp, regs->lines_occup);
1004 freed = REG_RD(bp, regs->lines_freed);
1005 } else {
1006 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1007 regs->pN);
1008 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1009 regs->pN, occup);
1010 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1011 regs->pN, freed);
1012 break;
1013 }
1014 }
1015 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001016 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001017}
1018
Eric Dumazet1191cb82012-04-27 21:39:21 +00001019static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1020 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001021{
1022 u32 cur_cnt = poll_count;
1023 u32 val;
1024
1025 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001026 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001027
1028 return val;
1029}
1030
Eric Dumazet1191cb82012-04-27 21:39:21 +00001031static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1032 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001033{
1034 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1035 if (val != 0) {
1036 BNX2X_ERR("%s usage count=%d\n", msg, val);
1037 return 1;
1038 }
1039 return 0;
1040}
1041
1042static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1043{
1044 /* adjust polling timeout */
1045 if (CHIP_REV_IS_EMUL(bp))
1046 return FLR_POLL_CNT * 2000;
1047
1048 if (CHIP_REV_IS_FPGA(bp))
1049 return FLR_POLL_CNT * 120;
1050
1051 return FLR_POLL_CNT;
1052}
1053
1054static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1055{
1056 struct pbf_pN_cmd_regs cmd_regs[] = {
1057 {0, (CHIP_IS_E3B0(bp)) ?
1058 PBF_REG_TQ_OCCUPANCY_Q0 :
1059 PBF_REG_P0_TQ_OCCUPANCY,
1060 (CHIP_IS_E3B0(bp)) ?
1061 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1062 PBF_REG_P0_TQ_LINES_FREED_CNT},
1063 {1, (CHIP_IS_E3B0(bp)) ?
1064 PBF_REG_TQ_OCCUPANCY_Q1 :
1065 PBF_REG_P1_TQ_OCCUPANCY,
1066 (CHIP_IS_E3B0(bp)) ?
1067 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1068 PBF_REG_P1_TQ_LINES_FREED_CNT},
1069 {4, (CHIP_IS_E3B0(bp)) ?
1070 PBF_REG_TQ_OCCUPANCY_LB_Q :
1071 PBF_REG_P4_TQ_OCCUPANCY,
1072 (CHIP_IS_E3B0(bp)) ?
1073 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1074 PBF_REG_P4_TQ_LINES_FREED_CNT}
1075 };
1076
1077 struct pbf_pN_buf_regs buf_regs[] = {
1078 {0, (CHIP_IS_E3B0(bp)) ?
1079 PBF_REG_INIT_CRD_Q0 :
1080 PBF_REG_P0_INIT_CRD ,
1081 (CHIP_IS_E3B0(bp)) ?
1082 PBF_REG_CREDIT_Q0 :
1083 PBF_REG_P0_CREDIT,
1084 (CHIP_IS_E3B0(bp)) ?
1085 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1086 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1087 {1, (CHIP_IS_E3B0(bp)) ?
1088 PBF_REG_INIT_CRD_Q1 :
1089 PBF_REG_P1_INIT_CRD,
1090 (CHIP_IS_E3B0(bp)) ?
1091 PBF_REG_CREDIT_Q1 :
1092 PBF_REG_P1_CREDIT,
1093 (CHIP_IS_E3B0(bp)) ?
1094 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1095 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1096 {4, (CHIP_IS_E3B0(bp)) ?
1097 PBF_REG_INIT_CRD_LB_Q :
1098 PBF_REG_P4_INIT_CRD,
1099 (CHIP_IS_E3B0(bp)) ?
1100 PBF_REG_CREDIT_LB_Q :
1101 PBF_REG_P4_CREDIT,
1102 (CHIP_IS_E3B0(bp)) ?
1103 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1104 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1105 };
1106
1107 int i;
1108
1109 /* Verify the command queues are flushed P0, P1, P4 */
1110 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1111 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1112
1113
1114 /* Verify the transmission buffers are flushed P0, P1, P4 */
1115 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1116 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1117}
1118
1119#define OP_GEN_PARAM(param) \
1120 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1121
1122#define OP_GEN_TYPE(type) \
1123 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1124
1125#define OP_GEN_AGG_VECT(index) \
1126 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1127
1128
Eric Dumazet1191cb82012-04-27 21:39:21 +00001129static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001130 u32 poll_cnt)
1131{
1132 struct sdm_op_gen op_gen = {0};
1133
1134 u32 comp_addr = BAR_CSTRORM_INTMEM +
1135 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1136 int ret = 0;
1137
1138 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001139 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001140 return 1;
1141 }
1142
1143 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1144 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1145 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1146 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1147
Ariel Elior89db4ad2012-01-26 06:01:48 +00001148 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001149 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1150
1151 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1152 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001153 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1154 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001155 ret = 1;
1156 }
1157 /* Zero completion for nxt FLR */
1158 REG_WR(bp, comp_addr, 0);
1159
1160 return ret;
1161}
1162
Eric Dumazet1191cb82012-04-27 21:39:21 +00001163static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001164{
1165 int pos;
1166 u16 status;
1167
Jon Mason77c98e62011-06-27 07:45:12 +00001168 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001169 if (!pos)
1170 return false;
1171
1172 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1173 return status & PCI_EXP_DEVSTA_TRPND;
1174}
1175
1176/* PF FLR specific routines
1177*/
1178static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1179{
1180
1181 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1182 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1183 CFC_REG_NUM_LCIDS_INSIDE_PF,
1184 "CFC PF usage counter timed out",
1185 poll_cnt))
1186 return 1;
1187
1188
1189 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1190 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1191 DORQ_REG_PF_USAGE_CNT,
1192 "DQ PF usage counter timed out",
1193 poll_cnt))
1194 return 1;
1195
1196 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1197 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1198 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1199 "QM PF usage counter timed out",
1200 poll_cnt))
1201 return 1;
1202
1203 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1204 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1205 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1206 "Timers VNIC usage counter timed out",
1207 poll_cnt))
1208 return 1;
1209 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1210 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1211 "Timers NUM_SCANS usage counter timed out",
1212 poll_cnt))
1213 return 1;
1214
1215 /* Wait DMAE PF usage counter to zero */
1216 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1217 dmae_reg_go_c[INIT_DMAE_C(bp)],
1218 "DMAE dommand register timed out",
1219 poll_cnt))
1220 return 1;
1221
1222 return 0;
1223}
1224
1225static void bnx2x_hw_enable_status(struct bnx2x *bp)
1226{
1227 u32 val;
1228
1229 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1230 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1231
1232 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1233 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1234
1235 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1236 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1237
1238 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1239 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1240
1241 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1242 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1243
1244 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1245 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1246
1247 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1248 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1249
1250 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1251 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1252 val);
1253}
1254
1255static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1256{
1257 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1258
1259 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1260
1261 /* Re-enable PF target read access */
1262 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1263
1264 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001265 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001266 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1267 return -EBUSY;
1268
1269 /* Zero the igu 'trailing edge' and 'leading edge' */
1270
1271 /* Send the FW cleanup command */
1272 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1273 return -EBUSY;
1274
1275 /* ATC cleanup */
1276
1277 /* Verify TX hw is flushed */
1278 bnx2x_tx_hw_flushed(bp, poll_cnt);
1279
1280 /* Wait 100ms (not adjusted according to platform) */
1281 msleep(100);
1282
1283 /* Verify no pending pci transactions */
1284 if (bnx2x_is_pcie_pending(bp->pdev))
1285 BNX2X_ERR("PCIE Transactions still pending\n");
1286
1287 /* Debug */
1288 bnx2x_hw_enable_status(bp);
1289
1290 /*
1291 * Master enable - Due to WB DMAE writes performed before this
1292 * register is re-initialized as part of the regular function init
1293 */
1294 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1295
1296 return 0;
1297}
1298
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001299static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001300{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001301 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1303 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001304 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1305 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1306 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001307
1308 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001309 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1310 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001311 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1312 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001313 if (single_msix)
1314 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001315 } else if (msi) {
1316 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1317 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1318 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1319 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001320 } else {
1321 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001322 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001323 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1324 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001325
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001326 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001327 DP(NETIF_MSG_IFUP,
1328 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001329
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001330 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001331
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001332 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1333 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001334 }
1335
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001336 if (CHIP_IS_E1(bp))
1337 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1338
Merav Sicron51c1a582012-03-18 10:33:38 +00001339 DP(NETIF_MSG_IFUP,
1340 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1341 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001342
1343 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001344 /*
1345 * Ensure that HC_CONFIG is written before leading/trailing edge config
1346 */
1347 mmiowb();
1348 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001349
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001350 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001351 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001352 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001353 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001354 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001355 /* enable nig and gpio3 attention */
1356 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001357 } else
1358 val = 0xffff;
1359
1360 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1361 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1362 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001363
1364 /* Make sure that interrupts are indeed enabled from here on */
1365 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001366}
1367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001368static void bnx2x_igu_int_enable(struct bnx2x *bp)
1369{
1370 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001371 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1372 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1373 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001374
1375 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1376
1377 if (msix) {
1378 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1379 IGU_PF_CONF_SINGLE_ISR_EN);
1380 val |= (IGU_PF_CONF_FUNC_EN |
1381 IGU_PF_CONF_MSI_MSIX_EN |
1382 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001383
1384 if (single_msix)
1385 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001386 } else if (msi) {
1387 val &= ~IGU_PF_CONF_INT_LINE_EN;
1388 val |= (IGU_PF_CONF_FUNC_EN |
1389 IGU_PF_CONF_MSI_MSIX_EN |
1390 IGU_PF_CONF_ATTN_BIT_EN |
1391 IGU_PF_CONF_SINGLE_ISR_EN);
1392 } else {
1393 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1394 val |= (IGU_PF_CONF_FUNC_EN |
1395 IGU_PF_CONF_INT_LINE_EN |
1396 IGU_PF_CONF_ATTN_BIT_EN |
1397 IGU_PF_CONF_SINGLE_ISR_EN);
1398 }
1399
Merav Sicron51c1a582012-03-18 10:33:38 +00001400 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001401 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1402
1403 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1404
Yuval Mintz79a85572012-04-03 18:41:25 +00001405 if (val & IGU_PF_CONF_INT_LINE_EN)
1406 pci_intx(bp->pdev, true);
1407
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001408 barrier();
1409
1410 /* init leading/trailing edge */
1411 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001412 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001413 if (bp->port.pmf)
1414 /* enable nig and gpio3 attention */
1415 val |= 0x1100;
1416 } else
1417 val = 0xffff;
1418
1419 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1420 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1421
1422 /* Make sure that interrupts are indeed enabled from here on */
1423 mmiowb();
1424}
1425
1426void bnx2x_int_enable(struct bnx2x *bp)
1427{
1428 if (bp->common.int_block == INT_BLOCK_HC)
1429 bnx2x_hc_int_enable(bp);
1430 else
1431 bnx2x_igu_int_enable(bp);
1432}
1433
1434static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001435{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001436 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1438 u32 val = REG_RD(bp, addr);
1439
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001440 /*
1441 * in E1 we must use only PCI configuration space to disable
1442 * MSI/MSIX capablility
1443 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1444 */
1445 if (CHIP_IS_E1(bp)) {
1446 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1447 * Use mask register to prevent from HC sending interrupts
1448 * after we exit the function
1449 */
1450 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1451
1452 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1453 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1454 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1455 } else
1456 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1457 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1458 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1459 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Merav Sicron51c1a582012-03-18 10:33:38 +00001461 DP(NETIF_MSG_IFDOWN,
1462 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463 val, port, addr);
1464
Eilon Greenstein8badd272009-02-12 08:36:15 +00001465 /* flush all outstanding writes */
1466 mmiowb();
1467
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001468 REG_WR(bp, addr, val);
1469 if (REG_RD(bp, addr) != val)
1470 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1471}
1472
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001473static void bnx2x_igu_int_disable(struct bnx2x *bp)
1474{
1475 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1476
1477 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1478 IGU_PF_CONF_INT_LINE_EN |
1479 IGU_PF_CONF_ATTN_BIT_EN);
1480
Merav Sicron51c1a582012-03-18 10:33:38 +00001481 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001482
1483 /* flush all outstanding writes */
1484 mmiowb();
1485
1486 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1487 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1488 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1489}
1490
Ariel Elior6383c0b2011-07-14 08:31:57 +00001491void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001492{
1493 if (bp->common.int_block == INT_BLOCK_HC)
1494 bnx2x_hc_int_disable(bp);
1495 else
1496 bnx2x_igu_int_disable(bp);
1497}
1498
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001499void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001500{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001501 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001502 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001503
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001504 if (disable_hw)
1505 /* prevent the HW from sending interrupts */
1506 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507
1508 /* make sure all ISRs are done */
1509 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001510 synchronize_irq(bp->msix_table[0].vector);
1511 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001512#ifdef BCM_CNIC
1513 offset++;
1514#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001515 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001516 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001517 } else
1518 synchronize_irq(bp->pdev->irq);
1519
1520 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001521 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001522 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001523 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001524}
1525
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001526/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001527
1528/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001529 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001530 */
1531
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001532/* Return true if succeeded to acquire the lock */
1533static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1534{
1535 u32 lock_status;
1536 u32 resource_bit = (1 << resource);
1537 int func = BP_FUNC(bp);
1538 u32 hw_lock_control_reg;
1539
Merav Sicron51c1a582012-03-18 10:33:38 +00001540 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1541 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001542
1543 /* Validating that the resource is within range */
1544 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001545 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001546 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1547 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001548 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001549 }
1550
1551 if (func <= 5)
1552 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1553 else
1554 hw_lock_control_reg =
1555 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1556
1557 /* Try to acquire the lock */
1558 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1559 lock_status = REG_RD(bp, hw_lock_control_reg);
1560 if (lock_status & resource_bit)
1561 return true;
1562
Merav Sicron51c1a582012-03-18 10:33:38 +00001563 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1564 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001565 return false;
1566}
1567
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001568/**
1569 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1570 *
1571 * @bp: driver handle
1572 *
1573 * Returns the recovery leader resource id according to the engine this function
1574 * belongs to. Currently only only 2 engines is supported.
1575 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001576static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001577{
1578 if (BP_PATH(bp))
1579 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1580 else
1581 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1582}
1583
1584/**
1585 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1586 *
1587 * @bp: driver handle
1588 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001589 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001590 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001591static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001592{
1593 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1594}
1595
Michael Chan993ac7b2009-10-10 13:46:56 +00001596#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001597static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001598#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001599
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001600void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001601{
1602 struct bnx2x *bp = fp->bp;
1603 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1604 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001605 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001606 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001607
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001608 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001609 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001610 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001611 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001612
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001613 switch (command) {
1614 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001615 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001616 drv_cmd = BNX2X_Q_CMD_UPDATE;
1617 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001618
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001619 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001620 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001621 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001622 break;
1623
Ariel Elior6383c0b2011-07-14 08:31:57 +00001624 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001625 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001626 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1627 break;
1628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001629 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001630 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001631 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001632 break;
1633
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001634 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001635 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001636 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1637 break;
1638
1639 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001640 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001641 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001642 break;
1643
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001644 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001645 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1646 command, fp->index);
1647 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001648 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001650 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1651 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1652 /* q_obj->complete_cmd() failure means that this was
1653 * an unexpected completion.
1654 *
1655 * In this case we don't want to increase the bp->spq_left
1656 * because apparently we haven't sent this command the first
1657 * place.
1658 */
1659#ifdef BNX2X_STOP_ON_ERROR
1660 bnx2x_panic();
1661#else
1662 return;
1663#endif
1664
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001665 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001666 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001667 /* push the change in bp->spq_left and towards the memory */
1668 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001669
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001670 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1671
Barak Witkowskia3348722012-04-23 03:04:46 +00001672 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1673 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1674 /* if Q update ramrod is completed for last Q in AFEX vif set
1675 * flow, then ACK MCP at the end
1676 *
1677 * mark pending ACK to MCP bit.
1678 * prevent case that both bits are cleared.
1679 * At the end of load/unload driver checks that
1680 * sp_state is cleaerd, and this order prevents
1681 * races
1682 */
1683 smp_mb__before_clear_bit();
1684 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1685 wmb();
1686 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1687 smp_mb__after_clear_bit();
1688
1689 /* schedule workqueue to send ack to MCP */
1690 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1691 }
1692
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001693 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694}
1695
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001696void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1697 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1698{
1699 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1700
1701 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1702 start);
1703}
1704
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001705irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001706{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001707 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001708 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001709 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001710 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001711 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001712
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001713 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001714 if (unlikely(status == 0)) {
1715 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1716 return IRQ_NONE;
1717 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001718 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001719
Eilon Greenstein3196a882008-08-13 15:58:49 -07001720#ifdef BNX2X_STOP_ON_ERROR
1721 if (unlikely(bp->panic))
1722 return IRQ_HANDLED;
1723#endif
1724
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001725 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001726 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001727
Ariel Elior6383c0b2011-07-14 08:31:57 +00001728 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001729 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001730 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001731 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001732 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001733 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001734 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001735 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001736 status &= ~mask;
1737 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001738 }
1739
Michael Chan993ac7b2009-10-10 13:46:56 +00001740#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001741 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001742 if (status & (mask | 0x1)) {
1743 struct cnic_ops *c_ops = NULL;
1744
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001745 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1746 rcu_read_lock();
1747 c_ops = rcu_dereference(bp->cnic_ops);
1748 if (c_ops)
1749 c_ops->cnic_handler(bp->cnic_data, NULL);
1750 rcu_read_unlock();
1751 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001752
1753 status &= ~mask;
1754 }
1755#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001756
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001757 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001758 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001759
1760 status &= ~0x1;
1761 if (!status)
1762 return IRQ_HANDLED;
1763 }
1764
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001765 if (unlikely(status))
1766 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001767 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001768
1769 return IRQ_HANDLED;
1770}
1771
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001772/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001773
1774/*
1775 * General service functions
1776 */
1777
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001778int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001779{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001780 u32 lock_status;
1781 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001782 int func = BP_FUNC(bp);
1783 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001785
1786 /* Validating that the resource is within range */
1787 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001788 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1790 return -EINVAL;
1791 }
1792
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001793 if (func <= 5) {
1794 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1795 } else {
1796 hw_lock_control_reg =
1797 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1798 }
1799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001801 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001802 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001803 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001804 lock_status, resource_bit);
1805 return -EEXIST;
1806 }
1807
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001808 /* Try for 5 second every 5ms */
1809 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001810 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001811 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1812 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001813 if (lock_status & resource_bit)
1814 return 0;
1815
1816 msleep(5);
1817 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001818 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001819 return -EAGAIN;
1820}
1821
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001822int bnx2x_release_leader_lock(struct bnx2x *bp)
1823{
1824 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1825}
1826
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001827int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828{
1829 u32 lock_status;
1830 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001831 int func = BP_FUNC(bp);
1832 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001833
1834 /* Validating that the resource is within range */
1835 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001836 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001837 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1838 return -EINVAL;
1839 }
1840
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001841 if (func <= 5) {
1842 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1843 } else {
1844 hw_lock_control_reg =
1845 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1846 }
1847
Eliezer Tamirf1410642008-02-28 11:51:50 -08001848 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001849 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001850 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001851 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. unlock was called but lock wasn't taken!\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001852 lock_status, resource_bit);
1853 return -EFAULT;
1854 }
1855
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857 return 0;
1858}
1859
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001860
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001861int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1862{
1863 /* The GPIO should be swapped if swap register is set and active */
1864 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1865 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1866 int gpio_shift = gpio_num +
1867 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1868 u32 gpio_mask = (1 << gpio_shift);
1869 u32 gpio_reg;
1870 int value;
1871
1872 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1873 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1874 return -EINVAL;
1875 }
1876
1877 /* read GPIO value */
1878 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1879
1880 /* get the requested pin value */
1881 if ((gpio_reg & gpio_mask) == gpio_mask)
1882 value = 1;
1883 else
1884 value = 0;
1885
1886 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1887
1888 return value;
1889}
1890
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001891int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001892{
1893 /* The GPIO should be swapped if swap register is set and active */
1894 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001895 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 int gpio_shift = gpio_num +
1897 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1898 u32 gpio_mask = (1 << gpio_shift);
1899 u32 gpio_reg;
1900
1901 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1902 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1903 return -EINVAL;
1904 }
1905
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001906 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 /* read GPIO and mask except the float bits */
1908 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1909
1910 switch (mode) {
1911 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001912 DP(NETIF_MSG_LINK,
1913 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001914 gpio_num, gpio_shift);
1915 /* clear FLOAT and set CLR */
1916 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1917 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1918 break;
1919
1920 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001921 DP(NETIF_MSG_LINK,
1922 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001923 gpio_num, gpio_shift);
1924 /* clear FLOAT and set SET */
1925 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1926 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1927 break;
1928
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001929 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001930 DP(NETIF_MSG_LINK,
1931 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001932 gpio_num, gpio_shift);
1933 /* set FLOAT */
1934 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1935 break;
1936
1937 default:
1938 break;
1939 }
1940
1941 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001942 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001943
1944 return 0;
1945}
1946
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001947int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1948{
1949 u32 gpio_reg = 0;
1950 int rc = 0;
1951
1952 /* Any port swapping should be handled by caller. */
1953
1954 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1955 /* read GPIO and mask except the float bits */
1956 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1957 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1958 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1959 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1960
1961 switch (mode) {
1962 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1963 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1964 /* set CLR */
1965 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1966 break;
1967
1968 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1969 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1970 /* set SET */
1971 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1972 break;
1973
1974 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1975 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1976 /* set FLOAT */
1977 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1978 break;
1979
1980 default:
1981 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1982 rc = -EINVAL;
1983 break;
1984 }
1985
1986 if (rc == 0)
1987 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1988
1989 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1990
1991 return rc;
1992}
1993
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001994int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1995{
1996 /* The GPIO should be swapped if swap register is set and active */
1997 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1998 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1999 int gpio_shift = gpio_num +
2000 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2001 u32 gpio_mask = (1 << gpio_shift);
2002 u32 gpio_reg;
2003
2004 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2005 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2006 return -EINVAL;
2007 }
2008
2009 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2010 /* read GPIO int */
2011 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2012
2013 switch (mode) {
2014 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002015 DP(NETIF_MSG_LINK,
2016 "Clear GPIO INT %d (shift %d) -> output low\n",
2017 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002018 /* clear SET and set CLR */
2019 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2020 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2021 break;
2022
2023 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002024 DP(NETIF_MSG_LINK,
2025 "Set GPIO INT %d (shift %d) -> output high\n",
2026 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002027 /* clear CLR and set SET */
2028 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2029 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2030 break;
2031
2032 default:
2033 break;
2034 }
2035
2036 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2037 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2038
2039 return 0;
2040}
2041
Eliezer Tamirf1410642008-02-28 11:51:50 -08002042static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2043{
2044 u32 spio_mask = (1 << spio_num);
2045 u32 spio_reg;
2046
2047 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2048 (spio_num > MISC_REGISTERS_SPIO_7)) {
2049 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2050 return -EINVAL;
2051 }
2052
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002053 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002054 /* read SPIO and mask except the float bits */
2055 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2056
2057 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002058 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002059 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002060 /* clear FLOAT and set CLR */
2061 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2062 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2063 break;
2064
Eilon Greenstein6378c022008-08-13 15:59:25 -07002065 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002066 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002067 /* clear FLOAT and set SET */
2068 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2069 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2070 break;
2071
2072 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002073 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002074 /* set FLOAT */
2075 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2076 break;
2077
2078 default:
2079 break;
2080 }
2081
2082 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002083 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002084
2085 return 0;
2086}
2087
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002088void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002089{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002090 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002091 switch (bp->link_vars.ieee_fc &
2092 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002093 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002094 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002095 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002096 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002097
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002098 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002099 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002100 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002101 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002102
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002103 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002104 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002105 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002106
Eliezer Tamirf1410642008-02-28 11:51:50 -08002107 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002108 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002109 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002110 break;
2111 }
2112}
2113
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002114u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002115{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002116 if (!BP_NOMCP(bp)) {
2117 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002118 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2119 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002120 /*
2121 * Initialize link parameters structure variables
2122 * It is recommended to turn off RX FC for jumbo frames
2123 * for better performance
2124 */
2125 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002126 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002127 else
David S. Millerc0700f92008-12-16 23:53:20 -08002128 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002129
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002130 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002131
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002132 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002133 struct link_params *lp = &bp->link_params;
2134 lp->loopback_mode = LOOPBACK_XGXS;
2135 /* do PHY loopback at 10G speed, if possible */
2136 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2137 if (lp->speed_cap_mask[cfx_idx] &
2138 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2139 lp->req_line_speed[cfx_idx] =
2140 SPEED_10000;
2141 else
2142 lp->req_line_speed[cfx_idx] =
2143 SPEED_1000;
2144 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002145 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002146
Merav Sicron8970b2e2012-06-19 07:48:22 +00002147 if (load_mode == LOAD_LOOPBACK_EXT) {
2148 struct link_params *lp = &bp->link_params;
2149 lp->loopback_mode = LOOPBACK_EXT;
2150 }
2151
Eilon Greenstein19680c42008-08-13 15:47:33 -07002152 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002153
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002154 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002155
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002156 bnx2x_calc_fc_adv(bp);
2157
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002158 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2159 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002160 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002161 } else
2162 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002163 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002164 return rc;
2165 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002166 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002167 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002168}
2169
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002170void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002171{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002172 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002173 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002174 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002175 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002176 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002177
Eilon Greenstein19680c42008-08-13 15:47:33 -07002178 bnx2x_calc_fc_adv(bp);
2179 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002180 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002181}
2182
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002183static void bnx2x__link_reset(struct bnx2x *bp)
2184{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002185 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002186 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002187 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002188 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002189 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002190 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191}
2192
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002193u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002194{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002195 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002196
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002197 if (!BP_NOMCP(bp)) {
2198 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002199 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2200 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002201 bnx2x_release_phy_lock(bp);
2202 } else
2203 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002204
2205 return rc;
2206}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002207
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002208
Eilon Greenstein2691d512009-08-12 08:22:08 +00002209/* Calculates the sum of vn_min_rates.
2210 It's needed for further normalizing of the min_rates.
2211 Returns:
2212 sum of vn_min_rates.
2213 or
2214 0 - if all the min_rates are 0.
2215 In the later case fainess algorithm should be deactivated.
2216 If not all min_rates are zero then those that are zeroes will be set to 1.
2217 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002218static void bnx2x_calc_vn_min(struct bnx2x *bp,
2219 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002220{
2221 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002222 int vn;
2223
David S. Miller8decf862011-09-22 03:23:13 -04002224 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002225 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2227 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2228
2229 /* Skip hidden vns */
2230 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002231 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002232 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002233 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002234 vn_min_rate = DEF_MIN_RATE;
2235 else
2236 all_zero = 0;
2237
Yuval Mintzb475d782012-04-03 18:41:29 +00002238 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002239 }
2240
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002241 /* if ETS or all min rates are zeros - disable fairness */
2242 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002243 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002244 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2245 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2246 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002247 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002248 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002249 DP(NETIF_MSG_IFUP,
2250 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002251 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002252 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002253 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002254}
2255
Yuval Mintzb475d782012-04-03 18:41:29 +00002256static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2257 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002258{
Yuval Mintzb475d782012-04-03 18:41:29 +00002259 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002260 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002261
Yuval Mintzb475d782012-04-03 18:41:29 +00002262 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002263 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002264 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002265 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2266
Yuval Mintzb475d782012-04-03 18:41:29 +00002267 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002268 /* maxCfg in percents of linkspeed */
2269 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002270 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002271 /* maxCfg is absolute in 100Mb units */
2272 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002273 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002274
Yuval Mintzb475d782012-04-03 18:41:29 +00002275 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002276
Yuval Mintzb475d782012-04-03 18:41:29 +00002277 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002278}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002279
Yuval Mintzb475d782012-04-03 18:41:29 +00002280
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002281static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2282{
2283 if (CHIP_REV_IS_SLOW(bp))
2284 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002285 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002286 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002287
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002288 return CMNG_FNS_NONE;
2289}
2290
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002291void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002292{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002293 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002294
2295 if (BP_NOMCP(bp))
2296 return; /* what should be the default bvalue in this case */
2297
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002298 /* For 2 port configuration the absolute function number formula
2299 * is:
2300 * abs_func = 2 * vn + BP_PORT + BP_PATH
2301 *
2302 * and there are 4 functions per port
2303 *
2304 * For 4 port configuration it is
2305 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2306 *
2307 * and there are 2 functions per port
2308 */
David S. Miller8decf862011-09-22 03:23:13 -04002309 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002310 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2311
2312 if (func >= E1H_FUNC_MAX)
2313 break;
2314
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002315 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002316 MF_CFG_RD(bp, func_mf_config[func].config);
2317 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002318 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2319 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2320 bp->flags |= MF_FUNC_DIS;
2321 } else {
2322 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2323 bp->flags &= ~MF_FUNC_DIS;
2324 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002325}
2326
2327static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2328{
Yuval Mintzb475d782012-04-03 18:41:29 +00002329 struct cmng_init_input input;
2330 memset(&input, 0, sizeof(struct cmng_init_input));
2331
2332 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002333
2334 if (cmng_type == CMNG_FNS_MINMAX) {
2335 int vn;
2336
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002337 /* read mf conf from shmem */
2338 if (read_cfg)
2339 bnx2x_read_mf_cfg(bp);
2340
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002341 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002342 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002343
2344 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002345 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002346 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002347 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002348
2349 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002350 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002351 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002352
2353 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354 return;
2355 }
2356
2357 /* rate shaping and fairness are disabled */
2358 DP(NETIF_MSG_IFUP,
2359 "rate shaping and fairness are disabled\n");
2360}
2361
Eric Dumazet1191cb82012-04-27 21:39:21 +00002362static void storm_memset_cmng(struct bnx2x *bp,
2363 struct cmng_init *cmng,
2364 u8 port)
2365{
2366 int vn;
2367 size_t size = sizeof(struct cmng_struct_per_port);
2368
2369 u32 addr = BAR_XSTRORM_INTMEM +
2370 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2371
2372 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2373
2374 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2375 int func = func_by_vn(bp, vn);
2376
2377 addr = BAR_XSTRORM_INTMEM +
2378 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2379 size = sizeof(struct rate_shaping_vars_per_vn);
2380 __storm_memset_struct(bp, addr, size,
2381 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2382
2383 addr = BAR_XSTRORM_INTMEM +
2384 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2385 size = sizeof(struct fairness_vars_per_vn);
2386 __storm_memset_struct(bp, addr, size,
2387 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2388 }
2389}
2390
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002391/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002392static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002393{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002394 /* Make sure that we are synced with the current statistics */
2395 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2396
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002397 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002398
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002399 if (bp->link_vars.link_up) {
2400
Eilon Greenstein1c063282009-02-12 08:36:43 +00002401 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002402 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002403 int port = BP_PORT(bp);
2404 u32 pause_enabled = 0;
2405
2406 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2407 pause_enabled = 1;
2408
2409 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002410 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002411 pause_enabled);
2412 }
2413
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002414 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002415 struct host_port_stats *pstats;
2416
2417 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002418 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002419 memset(&(pstats->mac_stx[0]), 0,
2420 sizeof(struct mac_stx));
2421 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002422 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002423 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2424 }
2425
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002426 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2427 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002429 if (cmng_fns != CMNG_FNS_NONE) {
2430 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2431 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2432 } else
2433 /* rate shaping and fairness are disabled */
2434 DP(NETIF_MSG_IFUP,
2435 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002436 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002437
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002438 __bnx2x_link_report(bp);
2439
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002440 if (IS_MF(bp))
2441 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002442}
2443
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002444void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002445{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002446 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002447 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002448
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002449 /* read updated dcb configuration */
2450 bnx2x_dcbx_pmf_update(bp);
2451
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002452 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2453
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002454 if (bp->link_vars.link_up)
2455 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2456 else
2457 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2458
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002459 /* indicate link status */
2460 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002461}
2462
Barak Witkowskia3348722012-04-23 03:04:46 +00002463static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2464 u16 vlan_val, u8 allowed_prio)
2465{
2466 struct bnx2x_func_state_params func_params = {0};
2467 struct bnx2x_func_afex_update_params *f_update_params =
2468 &func_params.params.afex_update;
2469
2470 func_params.f_obj = &bp->func_obj;
2471 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2472
2473 /* no need to wait for RAMROD completion, so don't
2474 * set RAMROD_COMP_WAIT flag
2475 */
2476
2477 f_update_params->vif_id = vifid;
2478 f_update_params->afex_default_vlan = vlan_val;
2479 f_update_params->allowed_priorities = allowed_prio;
2480
2481 /* if ramrod can not be sent, response to MCP immediately */
2482 if (bnx2x_func_state_change(bp, &func_params) < 0)
2483 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2484
2485 return 0;
2486}
2487
2488static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2489 u16 vif_index, u8 func_bit_map)
2490{
2491 struct bnx2x_func_state_params func_params = {0};
2492 struct bnx2x_func_afex_viflists_params *update_params =
2493 &func_params.params.afex_viflists;
2494 int rc;
2495 u32 drv_msg_code;
2496
2497 /* validate only LIST_SET and LIST_GET are received from switch */
2498 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2499 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2500 cmd_type);
2501
2502 func_params.f_obj = &bp->func_obj;
2503 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2504
2505 /* set parameters according to cmd_type */
2506 update_params->afex_vif_list_command = cmd_type;
2507 update_params->vif_list_index = cpu_to_le16(vif_index);
2508 update_params->func_bit_map =
2509 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2510 update_params->func_to_clear = 0;
2511 drv_msg_code =
2512 (cmd_type == VIF_LIST_RULE_GET) ?
2513 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2514 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2515
2516 /* if ramrod can not be sent, respond to MCP immediately for
2517 * SET and GET requests (other are not triggered from MCP)
2518 */
2519 rc = bnx2x_func_state_change(bp, &func_params);
2520 if (rc < 0)
2521 bnx2x_fw_command(bp, drv_msg_code, 0);
2522
2523 return 0;
2524}
2525
2526static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2527{
2528 struct afex_stats afex_stats;
2529 u32 func = BP_ABS_FUNC(bp);
2530 u32 mf_config;
2531 u16 vlan_val;
2532 u32 vlan_prio;
2533 u16 vif_id;
2534 u8 allowed_prio;
2535 u8 vlan_mode;
2536 u32 addr_to_write, vifid, addrs, stats_type, i;
2537
2538 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2539 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2540 DP(BNX2X_MSG_MCP,
2541 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2542 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2543 }
2544
2545 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2546 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2547 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2548 DP(BNX2X_MSG_MCP,
2549 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2550 vifid, addrs);
2551 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2552 addrs);
2553 }
2554
2555 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2556 addr_to_write = SHMEM2_RD(bp,
2557 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2558 stats_type = SHMEM2_RD(bp,
2559 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2560
2561 DP(BNX2X_MSG_MCP,
2562 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2563 addr_to_write);
2564
2565 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2566
2567 /* write response to scratchpad, for MCP */
2568 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2569 REG_WR(bp, addr_to_write + i*sizeof(u32),
2570 *(((u32 *)(&afex_stats))+i));
2571
2572 /* send ack message to MCP */
2573 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2574 }
2575
2576 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2577 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2578 bp->mf_config[BP_VN(bp)] = mf_config;
2579 DP(BNX2X_MSG_MCP,
2580 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2581 mf_config);
2582
2583 /* if VIF_SET is "enabled" */
2584 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2585 /* set rate limit directly to internal RAM */
2586 struct cmng_init_input cmng_input;
2587 struct rate_shaping_vars_per_vn m_rs_vn;
2588 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2589 u32 addr = BAR_XSTRORM_INTMEM +
2590 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2591
2592 bp->mf_config[BP_VN(bp)] = mf_config;
2593
2594 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2595 m_rs_vn.vn_counter.rate =
2596 cmng_input.vnic_max_rate[BP_VN(bp)];
2597 m_rs_vn.vn_counter.quota =
2598 (m_rs_vn.vn_counter.rate *
2599 RS_PERIODIC_TIMEOUT_USEC) / 8;
2600
2601 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2602
2603 /* read relevant values from mf_cfg struct in shmem */
2604 vif_id =
2605 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2606 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2607 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2608 vlan_val =
2609 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2610 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2611 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2612 vlan_prio = (mf_config &
2613 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2614 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2615 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2616 vlan_mode =
2617 (MF_CFG_RD(bp,
2618 func_mf_config[func].afex_config) &
2619 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2620 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2621 allowed_prio =
2622 (MF_CFG_RD(bp,
2623 func_mf_config[func].afex_config) &
2624 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2625 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2626
2627 /* send ramrod to FW, return in case of failure */
2628 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2629 allowed_prio))
2630 return;
2631
2632 bp->afex_def_vlan_tag = vlan_val;
2633 bp->afex_vlan_mode = vlan_mode;
2634 } else {
2635 /* notify link down because BP->flags is disabled */
2636 bnx2x_link_report(bp);
2637
2638 /* send INVALID VIF ramrod to FW */
2639 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2640
2641 /* Reset the default afex VLAN */
2642 bp->afex_def_vlan_tag = -1;
2643 }
2644 }
2645}
2646
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002647static void bnx2x_pmf_update(struct bnx2x *bp)
2648{
2649 int port = BP_PORT(bp);
2650 u32 val;
2651
2652 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002653 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002654
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002655 /*
2656 * We need the mb() to ensure the ordering between the writing to
2657 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2658 */
2659 smp_mb();
2660
2661 /* queue a periodic task */
2662 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2663
Dmitry Kravkovef018542011-06-14 01:33:57 +00002664 bnx2x_dcbx_pmf_update(bp);
2665
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002666 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002667 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002668 if (bp->common.int_block == INT_BLOCK_HC) {
2669 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2670 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002671 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002672 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2673 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2674 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002675
2676 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002677}
2678
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002679/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002680
2681/* slow path */
2682
2683/*
2684 * General service functions
2685 */
2686
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002688u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002689{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002690 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002691 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002692 u32 rc = 0;
2693 u32 cnt = 1;
2694 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2695
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002696 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002697 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002698 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2699 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2700
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002701 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2702 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002703
2704 do {
2705 /* let the FW do it's magic ... */
2706 msleep(delay);
2707
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002708 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002709
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002710 /* Give the FW up to 5 second (500*10ms) */
2711 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002712
2713 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2714 cnt*delay, rc, seq);
2715
2716 /* is this a reply to our command? */
2717 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2718 rc &= FW_MSG_CODE_MASK;
2719 else {
2720 /* FW BUG! */
2721 BNX2X_ERR("FW failed to respond!\n");
2722 bnx2x_fw_dump(bp);
2723 rc = 0;
2724 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002725 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002726
2727 return rc;
2728}
2729
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002730
Eric Dumazet1191cb82012-04-27 21:39:21 +00002731static void storm_memset_func_cfg(struct bnx2x *bp,
2732 struct tstorm_eth_function_common_config *tcfg,
2733 u16 abs_fid)
2734{
2735 size_t size = sizeof(struct tstorm_eth_function_common_config);
2736
2737 u32 addr = BAR_TSTRORM_INTMEM +
2738 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2739
2740 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2741}
2742
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002743void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002744{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002745 if (CHIP_IS_E1x(bp)) {
2746 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002747
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002748 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2749 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002750
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002751 /* Enable the function in the FW */
2752 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2753 storm_memset_func_en(bp, p->func_id, 1);
2754
2755 /* spq */
2756 if (p->func_flgs & FUNC_FLG_SPQ) {
2757 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2758 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2759 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2760 }
2761}
2762
Ariel Elior6383c0b2011-07-14 08:31:57 +00002763/**
2764 * bnx2x_get_tx_only_flags - Return common flags
2765 *
2766 * @bp device handle
2767 * @fp queue handle
2768 * @zero_stats TRUE if statistics zeroing is needed
2769 *
2770 * Return the flags that are common for the Tx-only and not normal connections.
2771 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002772static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2773 struct bnx2x_fastpath *fp,
2774 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002775{
2776 unsigned long flags = 0;
2777
2778 /* PF driver will always initialize the Queue to an ACTIVE state */
2779 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2780
Ariel Elior6383c0b2011-07-14 08:31:57 +00002781 /* tx only connections collect statistics (on the same index as the
2782 * parent connection). The statistics are zeroed when the parent
2783 * connection is initialized.
2784 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002785
2786 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2787 if (zero_stats)
2788 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2789
Ariel Elior6383c0b2011-07-14 08:31:57 +00002790
2791 return flags;
2792}
2793
Eric Dumazet1191cb82012-04-27 21:39:21 +00002794static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2795 struct bnx2x_fastpath *fp,
2796 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002797{
2798 unsigned long flags = 0;
2799
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002800 /* calculate other queue flags */
2801 if (IS_MF_SD(bp))
2802 __set_bit(BNX2X_Q_FLG_OV, &flags);
2803
Barak Witkowskia3348722012-04-23 03:04:46 +00002804 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002805 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002806 /* For FCoE - force usage of default priority (for afex) */
2807 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2808 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002809
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002810 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002811 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002812 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002813 if (fp->mode == TPA_MODE_GRO)
2814 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002815 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002816
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002817 if (leading) {
2818 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2819 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2820 }
2821
2822 /* Always set HW VLAN stripping */
2823 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002824
Barak Witkowskia3348722012-04-23 03:04:46 +00002825 /* configure silent vlan removal */
2826 if (IS_MF_AFEX(bp))
2827 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2828
Ariel Elior6383c0b2011-07-14 08:31:57 +00002829
2830 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002831}
2832
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002833static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002834 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2835 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002836{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002837 gen_init->stat_id = bnx2x_stats_id(fp);
2838 gen_init->spcl_id = fp->cl_id;
2839
2840 /* Always use mini-jumbo MTU for FCoE L2 ring */
2841 if (IS_FCOE_FP(fp))
2842 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2843 else
2844 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002845
2846 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002847}
2848
2849static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2850 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2851 struct bnx2x_rxq_setup_params *rxq_init)
2852{
2853 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002854 u16 sge_sz = 0;
2855 u16 tpa_agg_size = 0;
2856
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002857 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002858 pause->sge_th_lo = SGE_TH_LO(bp);
2859 pause->sge_th_hi = SGE_TH_HI(bp);
2860
2861 /* validate SGE ring has enough to cross high threshold */
2862 WARN_ON(bp->dropless_fc &&
2863 pause->sge_th_hi + FW_PREFETCH_CNT >
2864 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2865
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002866 tpa_agg_size = min_t(u32,
2867 (min_t(u32, 8, MAX_SKB_FRAGS) *
2868 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2869 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2870 SGE_PAGE_SHIFT;
2871 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2872 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2873 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2874 0xffff);
2875 }
2876
2877 /* pause - not for e1 */
2878 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002879 pause->bd_th_lo = BD_TH_LO(bp);
2880 pause->bd_th_hi = BD_TH_HI(bp);
2881
2882 pause->rcq_th_lo = RCQ_TH_LO(bp);
2883 pause->rcq_th_hi = RCQ_TH_HI(bp);
2884 /*
2885 * validate that rings have enough entries to cross
2886 * high thresholds
2887 */
2888 WARN_ON(bp->dropless_fc &&
2889 pause->bd_th_hi + FW_PREFETCH_CNT >
2890 bp->rx_ring_size);
2891 WARN_ON(bp->dropless_fc &&
2892 pause->rcq_th_hi + FW_PREFETCH_CNT >
2893 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002894
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002895 pause->pri_map = 1;
2896 }
2897
2898 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002899 rxq_init->dscr_map = fp->rx_desc_mapping;
2900 rxq_init->sge_map = fp->rx_sge_mapping;
2901 rxq_init->rcq_map = fp->rx_comp_mapping;
2902 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002903
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002904 /* This should be a maximum number of data bytes that may be
2905 * placed on the BD (not including paddings).
2906 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002907 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2908 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002909
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002910 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002911 rxq_init->tpa_agg_sz = tpa_agg_size;
2912 rxq_init->sge_buf_sz = sge_sz;
2913 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002914 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002915 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002916
2917 /* Maximum number or simultaneous TPA aggregation for this Queue.
2918 *
2919 * For PF Clients it should be the maximum avaliable number.
2920 * VF driver(s) may want to define it to a smaller value.
2921 */
David S. Miller8decf862011-09-22 03:23:13 -04002922 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002923
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002924 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2925 rxq_init->fw_sb_id = fp->fw_sb_id;
2926
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002927 if (IS_FCOE_FP(fp))
2928 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2929 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002930 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002931 /* configure silent vlan removal
2932 * if multi function mode is afex, then mask default vlan
2933 */
2934 if (IS_MF_AFEX(bp)) {
2935 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2936 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2937 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002938}
2939
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002940static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002941 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2942 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002943{
Merav Sicron65565882012-06-19 07:48:26 +00002944 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002945 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002946 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2947 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002948
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002949 /*
2950 * set the tss leading client id for TX classfication ==
2951 * leading RSS client id
2952 */
2953 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2954
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002955 if (IS_FCOE_FP(fp)) {
2956 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2957 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2958 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002959}
2960
stephen hemminger8d962862010-10-21 07:50:56 +00002961static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002962{
2963 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002964 struct event_ring_data eq_data = { {0} };
2965 u16 flags;
2966
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002967 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002968 /* reset IGU PF statistics: MSIX + ATTN */
2969 /* PF */
2970 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2971 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2972 (CHIP_MODE_IS_4_PORT(bp) ?
2973 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2974 /* ATTN */
2975 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2976 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2977 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2978 (CHIP_MODE_IS_4_PORT(bp) ?
2979 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2980 }
2981
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002982 /* function setup flags */
2983 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2984
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002985 /* This flag is relevant for E1x only.
2986 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002987 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002988 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002989
2990 func_init.func_flgs = flags;
2991 func_init.pf_id = BP_FUNC(bp);
2992 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002993 func_init.spq_map = bp->spq_mapping;
2994 func_init.spq_prod = bp->spq_prod_idx;
2995
2996 bnx2x_func_init(bp, &func_init);
2997
2998 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2999
3000 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003001 * Congestion management values depend on the link rate
3002 * There is no active link so initial link rate is set to 10 Gbps.
3003 * When the link comes up The congestion management values are
3004 * re-calculated according to the actual link rate.
3005 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003006 bp->link_vars.line_speed = SPEED_10000;
3007 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3008
3009 /* Only the PMF sets the HW */
3010 if (bp->port.pmf)
3011 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3012
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003013 /* init Event Queue */
3014 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3015 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3016 eq_data.producer = bp->eq_prod;
3017 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3018 eq_data.sb_id = DEF_SB_ID;
3019 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3020}
3021
3022
Eilon Greenstein2691d512009-08-12 08:22:08 +00003023static void bnx2x_e1h_disable(struct bnx2x *bp)
3024{
3025 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003026
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003027 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003028
3029 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003030}
3031
3032static void bnx2x_e1h_enable(struct bnx2x *bp)
3033{
3034 int port = BP_PORT(bp);
3035
3036 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3037
Eilon Greenstein2691d512009-08-12 08:22:08 +00003038 /* Tx queue should be only reenabled */
3039 netif_tx_wake_all_queues(bp->dev);
3040
Eilon Greenstein061bc702009-10-15 00:18:47 -07003041 /*
3042 * Should not call netif_carrier_on since it will be called if the link
3043 * is up when checking for link state
3044 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003045}
3046
Barak Witkowski1d187b32011-12-05 22:41:50 +00003047#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3048
3049static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3050{
3051 struct eth_stats_info *ether_stat =
3052 &bp->slowpath->drv_info_to_mcp.ether_stat;
3053
3054 /* leave last char as NULL */
3055 memcpy(ether_stat->version, DRV_MODULE_VERSION,
3056 ETH_STAT_INFO_VERSION_LEN - 1);
3057
Barak Witkowski15192a82012-06-19 07:48:28 +00003058 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3059 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3060 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003061
3062 ether_stat->mtu_size = bp->dev->mtu;
3063
3064 if (bp->dev->features & NETIF_F_RXCSUM)
3065 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3066 if (bp->dev->features & NETIF_F_TSO)
3067 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3068 ether_stat->feature_flags |= bp->common.boot_mode;
3069
3070 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3071
3072 ether_stat->txq_size = bp->tx_ring_size;
3073 ether_stat->rxq_size = bp->rx_ring_size;
3074}
3075
3076static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3077{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003078#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003079 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3080 struct fcoe_stats_info *fcoe_stat =
3081 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3082
Barak Witkowski2e499d32012-06-26 01:31:19 +00003083 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3084 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003085
3086 fcoe_stat->qos_priority =
3087 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3088
3089 /* insert FCoE stats from ramrod response */
3090 if (!NO_FCOE(bp)) {
3091 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003092 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003093 tstorm_queue_statistics;
3094
3095 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003096 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003097 xstorm_queue_statistics;
3098
3099 struct fcoe_statistics_params *fw_fcoe_stat =
3100 &bp->fw_stats_data->fcoe;
3101
3102 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3103 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3104
3105 ADD_64(fcoe_stat->rx_bytes_hi,
3106 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3107 fcoe_stat->rx_bytes_lo,
3108 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3109
3110 ADD_64(fcoe_stat->rx_bytes_hi,
3111 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3112 fcoe_stat->rx_bytes_lo,
3113 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3114
3115 ADD_64(fcoe_stat->rx_bytes_hi,
3116 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3117 fcoe_stat->rx_bytes_lo,
3118 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3119
3120 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3121 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3122
3123 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3124 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3125
3126 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3127 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3128
3129 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003130 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003131
3132 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3133 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3134
3135 ADD_64(fcoe_stat->tx_bytes_hi,
3136 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3137 fcoe_stat->tx_bytes_lo,
3138 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3139
3140 ADD_64(fcoe_stat->tx_bytes_hi,
3141 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3142 fcoe_stat->tx_bytes_lo,
3143 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3144
3145 ADD_64(fcoe_stat->tx_bytes_hi,
3146 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3147 fcoe_stat->tx_bytes_lo,
3148 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3149
3150 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3151 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3152
3153 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3154 fcoe_q_xstorm_stats->ucast_pkts_sent);
3155
3156 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3157 fcoe_q_xstorm_stats->bcast_pkts_sent);
3158
3159 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3160 fcoe_q_xstorm_stats->mcast_pkts_sent);
3161 }
3162
Barak Witkowski1d187b32011-12-05 22:41:50 +00003163 /* ask L5 driver to add data to the struct */
3164 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3165#endif
3166}
3167
3168static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3169{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003170#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003171 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3172 struct iscsi_stats_info *iscsi_stat =
3173 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3174
Barak Witkowski2e499d32012-06-26 01:31:19 +00003175 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3176 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003177
3178 iscsi_stat->qos_priority =
3179 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3180
Barak Witkowski1d187b32011-12-05 22:41:50 +00003181 /* ask L5 driver to add data to the struct */
3182 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3183#endif
3184}
3185
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003186/* called due to MCP event (on pmf):
3187 * reread new bandwidth configuration
3188 * configure FW
3189 * notify others function about the change
3190 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003191static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003192{
3193 if (bp->link_vars.link_up) {
3194 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3195 bnx2x_link_sync_notify(bp);
3196 }
3197 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3198}
3199
Eric Dumazet1191cb82012-04-27 21:39:21 +00003200static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003201{
3202 bnx2x_config_mf_bw(bp);
3203 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3204}
3205
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003206static void bnx2x_handle_eee_event(struct bnx2x *bp)
3207{
3208 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3209 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3210}
3211
Barak Witkowski1d187b32011-12-05 22:41:50 +00003212static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3213{
3214 enum drv_info_opcode op_code;
3215 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3216
3217 /* if drv_info version supported by MFW doesn't match - send NACK */
3218 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3219 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3220 return;
3221 }
3222
3223 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3224 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3225
3226 memset(&bp->slowpath->drv_info_to_mcp, 0,
3227 sizeof(union drv_info_to_mcp));
3228
3229 switch (op_code) {
3230 case ETH_STATS_OPCODE:
3231 bnx2x_drv_info_ether_stat(bp);
3232 break;
3233 case FCOE_STATS_OPCODE:
3234 bnx2x_drv_info_fcoe_stat(bp);
3235 break;
3236 case ISCSI_STATS_OPCODE:
3237 bnx2x_drv_info_iscsi_stat(bp);
3238 break;
3239 default:
3240 /* if op code isn't supported - send NACK */
3241 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3242 return;
3243 }
3244
3245 /* if we got drv_info attn from MFW then these fields are defined in
3246 * shmem2 for sure
3247 */
3248 SHMEM2_WR(bp, drv_info_host_addr_lo,
3249 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3250 SHMEM2_WR(bp, drv_info_host_addr_hi,
3251 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3252
3253 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3254}
3255
Eilon Greenstein2691d512009-08-12 08:22:08 +00003256static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3257{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003258 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003259
3260 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3261
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003262 /*
3263 * This is the only place besides the function initialization
3264 * where the bp->flags can change so it is done without any
3265 * locks
3266 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003267 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003268 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003269 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003270
3271 bnx2x_e1h_disable(bp);
3272 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003273 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003274 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003275
3276 bnx2x_e1h_enable(bp);
3277 }
3278 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3279 }
3280 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003281 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003282 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3283 }
3284
3285 /* Report results to MCP */
3286 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003287 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003288 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003289 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003290}
3291
Michael Chan28912902009-10-10 13:46:53 +00003292/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003293static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003294{
3295 struct eth_spe *next_spe = bp->spq_prod_bd;
3296
3297 if (bp->spq_prod_bd == bp->spq_last_bd) {
3298 bp->spq_prod_bd = bp->spq;
3299 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003300 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003301 } else {
3302 bp->spq_prod_bd++;
3303 bp->spq_prod_idx++;
3304 }
3305 return next_spe;
3306}
3307
3308/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003309static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003310{
3311 int func = BP_FUNC(bp);
3312
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003313 /*
3314 * Make sure that BD data is updated before writing the producer:
3315 * BD data is written to the memory, the producer is read from the
3316 * memory, thus we need a full memory barrier to ensure the ordering.
3317 */
3318 mb();
Michael Chan28912902009-10-10 13:46:53 +00003319
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003320 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003321 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003322 mmiowb();
3323}
3324
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003325/**
3326 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3327 *
3328 * @cmd: command to check
3329 * @cmd_type: command type
3330 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003331static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003332{
3333 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003334 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003335 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3336 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3337 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3338 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3339 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3340 return true;
3341 else
3342 return false;
3343
3344}
3345
3346
3347/**
3348 * bnx2x_sp_post - place a single command on an SP ring
3349 *
3350 * @bp: driver handle
3351 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3352 * @cid: SW CID the command is related to
3353 * @data_hi: command private data address (high 32 bits)
3354 * @data_lo: command private data address (low 32 bits)
3355 * @cmd_type: command type (e.g. NONE, ETH)
3356 *
3357 * SP data is handled as if it's always an address pair, thus data fields are
3358 * not swapped to little endian in upper functions. Instead this function swaps
3359 * data as if it's two u32 fields.
3360 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003361int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003362 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003363{
Michael Chan28912902009-10-10 13:46:53 +00003364 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003365 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003366 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003369 if (unlikely(bp->panic)) {
3370 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003372 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373#endif
3374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003375 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003376
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003377 if (common) {
3378 if (!atomic_read(&bp->eq_spq_left)) {
3379 BNX2X_ERR("BUG! EQ ring full!\n");
3380 spin_unlock_bh(&bp->spq_lock);
3381 bnx2x_panic();
3382 return -EBUSY;
3383 }
3384 } else if (!atomic_read(&bp->cq_spq_left)) {
3385 BNX2X_ERR("BUG! SPQ ring full!\n");
3386 spin_unlock_bh(&bp->spq_lock);
3387 bnx2x_panic();
3388 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003390
Michael Chan28912902009-10-10 13:46:53 +00003391 spe = bnx2x_sp_get_next(bp);
3392
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003393 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003394 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003395 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3396 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003397
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003398 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003399
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003400 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3401 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003403 spe->hdr.type = cpu_to_le16(type);
3404
3405 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3406 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3407
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003408 /*
3409 * It's ok if the actual decrement is issued towards the memory
3410 * somewhere between the spin_lock and spin_unlock. Thus no
3411 * more explict memory barrier is needed.
3412 */
3413 if (common)
3414 atomic_dec(&bp->eq_spq_left);
3415 else
3416 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003417
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003418
Merav Sicron51c1a582012-03-18 10:33:38 +00003419 DP(BNX2X_MSG_SP,
3420 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003421 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3422 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003423 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003424 HW_CID(bp, cid), data_hi, data_lo, type,
3425 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003426
Michael Chan28912902009-10-10 13:46:53 +00003427 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003428 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429 return 0;
3430}
3431
3432/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003433static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003434{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003435 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003436 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003437
3438 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003439 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440 val = (1UL << 31);
3441 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3442 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3443 if (val & (1L << 31))
3444 break;
3445
3446 msleep(5);
3447 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003449 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003450 rc = -EBUSY;
3451 }
3452
3453 return rc;
3454}
3455
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003456/* release split MCP access lock register */
3457static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003458{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003459 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003460}
3461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003462#define BNX2X_DEF_SB_ATT_IDX 0x0001
3463#define BNX2X_DEF_SB_IDX 0x0002
3464
Eric Dumazet1191cb82012-04-27 21:39:21 +00003465static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003466{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003467 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003468 u16 rc = 0;
3469
3470 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003471 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3472 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003473 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003474 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003475
3476 if (bp->def_idx != def_sb->sp_sb.running_index) {
3477 bp->def_idx = def_sb->sp_sb.running_index;
3478 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003479 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003480
3481 /* Do not reorder: indecies reading should complete before handling */
3482 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003483 return rc;
3484}
3485
3486/*
3487 * slow path service functions
3488 */
3489
3490static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3491{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003492 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003493 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3494 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003495 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3496 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003497 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003498 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003499 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003500
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003501 if (bp->attn_state & asserted)
3502 BNX2X_ERR("IGU ERROR\n");
3503
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003504 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3505 aeu_mask = REG_RD(bp, aeu_addr);
3506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003507 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003508 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003509 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003510 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003511
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003512 REG_WR(bp, aeu_addr, aeu_mask);
3513 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003514
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003515 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003516 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003517 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003518
3519 if (asserted & ATTN_HARD_WIRED_MASK) {
3520 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003521
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003522 bnx2x_acquire_phy_lock(bp);
3523
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003524 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003525 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003526
Yaniv Rosner361c3912011-06-14 01:33:19 +00003527 /* If nig_mask is not set, no need to call the update
3528 * function.
3529 */
3530 if (nig_mask) {
3531 REG_WR(bp, nig_int_mask_addr, 0);
3532
3533 bnx2x_link_attn(bp);
3534 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
3536 /* handle unicore attn? */
3537 }
3538 if (asserted & ATTN_SW_TIMER_4_FUNC)
3539 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3540
3541 if (asserted & GPIO_2_FUNC)
3542 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3543
3544 if (asserted & GPIO_3_FUNC)
3545 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3546
3547 if (asserted & GPIO_4_FUNC)
3548 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3549
3550 if (port == 0) {
3551 if (asserted & ATTN_GENERAL_ATTN_1) {
3552 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3553 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3554 }
3555 if (asserted & ATTN_GENERAL_ATTN_2) {
3556 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3557 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3558 }
3559 if (asserted & ATTN_GENERAL_ATTN_3) {
3560 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3561 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3562 }
3563 } else {
3564 if (asserted & ATTN_GENERAL_ATTN_4) {
3565 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3566 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3567 }
3568 if (asserted & ATTN_GENERAL_ATTN_5) {
3569 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3570 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3571 }
3572 if (asserted & ATTN_GENERAL_ATTN_6) {
3573 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3574 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3575 }
3576 }
3577
3578 } /* if hardwired */
3579
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003580 if (bp->common.int_block == INT_BLOCK_HC)
3581 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3582 COMMAND_REG_ATTN_BITS_SET);
3583 else
3584 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3585
3586 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3587 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3588 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003589
3590 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003591 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003592 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003593 bnx2x_release_phy_lock(bp);
3594 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003595}
3596
Eric Dumazet1191cb82012-04-27 21:39:21 +00003597static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003598{
3599 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003600 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003601 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003602 ext_phy_config =
3603 SHMEM_RD(bp,
3604 dev_info.port_hw_config[port].external_phy_config);
3605
3606 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3607 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003608 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003609 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003610
3611 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003612 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3613 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003614
3615 /*
3616 * Scheudle device reset (unload)
3617 * This is due to some boards consuming sufficient power when driver is
3618 * up to overheat if fan fails.
3619 */
3620 smp_mb__before_clear_bit();
3621 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3622 smp_mb__after_clear_bit();
3623 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3624
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003625}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003626
Eric Dumazet1191cb82012-04-27 21:39:21 +00003627static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003628{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003629 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003630 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003631 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003632
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003633 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3634 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003635
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003636 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003637
3638 val = REG_RD(bp, reg_offset);
3639 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3640 REG_WR(bp, reg_offset, val);
3641
3642 BNX2X_ERR("SPIO5 hw attention\n");
3643
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003644 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003645 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003646 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003647 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003648
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003649 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003650 bnx2x_acquire_phy_lock(bp);
3651 bnx2x_handle_module_detect_int(&bp->link_params);
3652 bnx2x_release_phy_lock(bp);
3653 }
3654
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003655 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3656
3657 val = REG_RD(bp, reg_offset);
3658 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3659 REG_WR(bp, reg_offset, val);
3660
3661 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003662 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003663 bnx2x_panic();
3664 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003665}
3666
Eric Dumazet1191cb82012-04-27 21:39:21 +00003667static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003668{
3669 u32 val;
3670
Eilon Greenstein0626b892009-02-12 08:38:14 +00003671 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003672
3673 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3674 BNX2X_ERR("DB hw attention 0x%x\n", val);
3675 /* DORQ discard attention */
3676 if (val & 0x2)
3677 BNX2X_ERR("FATAL error from DORQ\n");
3678 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003679
3680 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3681
3682 int port = BP_PORT(bp);
3683 int reg_offset;
3684
3685 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3686 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3687
3688 val = REG_RD(bp, reg_offset);
3689 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3690 REG_WR(bp, reg_offset, val);
3691
3692 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003693 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003694 bnx2x_panic();
3695 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003696}
3697
Eric Dumazet1191cb82012-04-27 21:39:21 +00003698static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003699{
3700 u32 val;
3701
3702 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3703
3704 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3705 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3706 /* CFC error attention */
3707 if (val & 0x2)
3708 BNX2X_ERR("FATAL error from CFC\n");
3709 }
3710
3711 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003712 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003713 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003714 /* RQ_USDMDP_FIFO_OVERFLOW */
3715 if (val & 0x18000)
3716 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003717
3718 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003719 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3720 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3721 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003722 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003723
3724 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3725
3726 int port = BP_PORT(bp);
3727 int reg_offset;
3728
3729 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3730 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3731
3732 val = REG_RD(bp, reg_offset);
3733 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3734 REG_WR(bp, reg_offset, val);
3735
3736 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003737 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003738 bnx2x_panic();
3739 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003740}
3741
Eric Dumazet1191cb82012-04-27 21:39:21 +00003742static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003743{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003744 u32 val;
3745
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003746 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003748 if (attn & BNX2X_PMF_LINK_ASSERT) {
3749 int func = BP_FUNC(bp);
3750
3751 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003752 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003753 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3754 func_mf_config[BP_ABS_FUNC(bp)].config);
3755 val = SHMEM_RD(bp,
3756 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003757 if (val & DRV_STATUS_DCC_EVENT_MASK)
3758 bnx2x_dcc_event(bp,
3759 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003760
3761 if (val & DRV_STATUS_SET_MF_BW)
3762 bnx2x_set_mf_bw(bp);
3763
Barak Witkowski1d187b32011-12-05 22:41:50 +00003764 if (val & DRV_STATUS_DRV_INFO_REQ)
3765 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003766 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003767 bnx2x_pmf_update(bp);
3768
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003769 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003770 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3771 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003772 /* start dcbx state machine */
3773 bnx2x_dcbx_set_params(bp,
3774 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003775 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3776 bnx2x_handle_afex_cmd(bp,
3777 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003778 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3779 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003780 if (bp->link_vars.periodic_flags &
3781 PERIODIC_FLAGS_LINK_EVENT) {
3782 /* sync with link */
3783 bnx2x_acquire_phy_lock(bp);
3784 bp->link_vars.periodic_flags &=
3785 ~PERIODIC_FLAGS_LINK_EVENT;
3786 bnx2x_release_phy_lock(bp);
3787 if (IS_MF(bp))
3788 bnx2x_link_sync_notify(bp);
3789 bnx2x_link_report(bp);
3790 }
3791 /* Always call it here: bnx2x_link_report() will
3792 * prevent the link indication duplication.
3793 */
3794 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003795 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003796
3797 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003798 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003799 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3800 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3801 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3802 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3803 bnx2x_panic();
3804
3805 } else if (attn & BNX2X_MCP_ASSERT) {
3806
3807 BNX2X_ERR("MCP assert!\n");
3808 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003809 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003810
3811 } else
3812 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3813 }
3814
3815 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003816 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3817 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003818 val = CHIP_IS_E1(bp) ? 0 :
3819 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003820 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3821 }
3822 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003823 val = CHIP_IS_E1(bp) ? 0 :
3824 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003825 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3826 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003827 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003828 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003829}
3830
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003831/*
3832 * Bits map:
3833 * 0-7 - Engine0 load counter.
3834 * 8-15 - Engine1 load counter.
3835 * 16 - Engine0 RESET_IN_PROGRESS bit.
3836 * 17 - Engine1 RESET_IN_PROGRESS bit.
3837 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3838 * on the engine
3839 * 19 - Engine1 ONE_IS_LOADED.
3840 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3841 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3842 * just the one belonging to its engine).
3843 *
3844 */
3845#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3846
3847#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3848#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3849#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3850#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3851#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3852#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3853#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003854
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003855/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003856 * Set the GLOBAL_RESET bit.
3857 *
3858 * Should be run under rtnl lock
3859 */
3860void bnx2x_set_reset_global(struct bnx2x *bp)
3861{
Ariel Eliorf16da432012-01-26 06:01:50 +00003862 u32 val;
3863 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3864 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003865 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003866 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003867}
3868
3869/*
3870 * Clear the GLOBAL_RESET bit.
3871 *
3872 * Should be run under rtnl lock
3873 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003874static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003875{
Ariel Eliorf16da432012-01-26 06:01:50 +00003876 u32 val;
3877 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3878 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003879 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003880 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003881}
3882
3883/*
3884 * Checks the GLOBAL_RESET bit.
3885 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003886 * should be run under rtnl lock
3887 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003888static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003889{
3890 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3891
3892 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3893 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3894}
3895
3896/*
3897 * Clear RESET_IN_PROGRESS bit for the current engine.
3898 *
3899 * Should be run under rtnl lock
3900 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003901static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003902{
Ariel Eliorf16da432012-01-26 06:01:50 +00003903 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003904 u32 bit = BP_PATH(bp) ?
3905 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003906 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3907 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003908
3909 /* Clear the bit */
3910 val &= ~bit;
3911 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003912
3913 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003914}
3915
3916/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003917 * Set RESET_IN_PROGRESS for the current engine.
3918 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003919 * should be run under rtnl lock
3920 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003921void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003922{
Ariel Eliorf16da432012-01-26 06:01:50 +00003923 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003924 u32 bit = BP_PATH(bp) ?
3925 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003926 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3927 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003928
3929 /* Set the bit */
3930 val |= bit;
3931 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003932 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003933}
3934
3935/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003937 * should be run under rtnl lock
3938 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003939bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003940{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003941 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3942 u32 bit = engine ?
3943 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3944
3945 /* return false if bit is set */
3946 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003947}
3948
3949/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003950 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003951 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003952 * should be run under rtnl lock
3953 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003954void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003955{
Ariel Eliorf16da432012-01-26 06:01:50 +00003956 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003957 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3958 BNX2X_PATH0_LOAD_CNT_MASK;
3959 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3960 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003961
Ariel Eliorf16da432012-01-26 06:01:50 +00003962 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3963 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3964
Merav Sicron51c1a582012-03-18 10:33:38 +00003965 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003966
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003967 /* get the current counter value */
3968 val1 = (val & mask) >> shift;
3969
Ariel Elior889b9af2012-01-26 06:01:51 +00003970 /* set bit of that PF */
3971 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003972
3973 /* clear the old value */
3974 val &= ~mask;
3975
3976 /* set the new one */
3977 val |= ((val1 << shift) & mask);
3978
3979 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003980 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003981}
3982
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003983/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003984 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003985 *
3986 * @bp: driver handle
3987 *
3988 * Should be run under rtnl lock.
3989 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003990 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003991 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003992bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003993{
Ariel Eliorf16da432012-01-26 06:01:50 +00003994 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003995 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3996 BNX2X_PATH0_LOAD_CNT_MASK;
3997 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3998 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003999
Ariel Eliorf16da432012-01-26 06:01:50 +00004000 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4001 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004002 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004003
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004004 /* get the current counter value */
4005 val1 = (val & mask) >> shift;
4006
Ariel Elior889b9af2012-01-26 06:01:51 +00004007 /* clear bit of that PF */
4008 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004009
4010 /* clear the old value */
4011 val &= ~mask;
4012
4013 /* set the new one */
4014 val |= ((val1 << shift) & mask);
4015
4016 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004017 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4018 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004019}
4020
4021/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004022 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004024 * should be run under rtnl lock
4025 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004026static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004027{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004028 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4029 BNX2X_PATH0_LOAD_CNT_MASK);
4030 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4031 BNX2X_PATH0_LOAD_CNT_SHIFT);
4032 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4033
Merav Sicron51c1a582012-03-18 10:33:38 +00004034 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004035
4036 val = (val & mask) >> shift;
4037
Merav Sicron51c1a582012-03-18 10:33:38 +00004038 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4039 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004040
Ariel Elior889b9af2012-01-26 06:01:51 +00004041 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004042}
4043
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004044/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004045 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004046 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004047static void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004048{
Ariel Eliorf16da432012-01-26 06:01:50 +00004049 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004050 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00004051 BNX2X_PATH0_LOAD_CNT_MASK);
4052 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4053 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004054 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00004055 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004056}
4057
Eric Dumazet1191cb82012-04-27 21:39:21 +00004058static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004059{
Joe Perchesf1deab52011-08-14 12:16:21 +00004060 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004061}
4062
Eric Dumazet1191cb82012-04-27 21:39:21 +00004063static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4064 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004065{
4066 int i = 0;
4067 u32 cur_bit = 0;
4068 for (i = 0; sig; i++) {
4069 cur_bit = ((u32)0x1 << i);
4070 if (sig & cur_bit) {
4071 switch (cur_bit) {
4072 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004073 if (print)
4074 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004075 break;
4076 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004077 if (print)
4078 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004079 break;
4080 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004081 if (print)
4082 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004083 break;
4084 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004085 if (print)
4086 _print_next_block(par_num++,
4087 "SEARCHER");
4088 break;
4089 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4090 if (print)
4091 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004092 break;
4093 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004094 if (print)
4095 _print_next_block(par_num++, "TSEMI");
4096 break;
4097 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4098 if (print)
4099 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004100 break;
4101 }
4102
4103 /* Clear the bit */
4104 sig &= ~cur_bit;
4105 }
4106 }
4107
4108 return par_num;
4109}
4110
Eric Dumazet1191cb82012-04-27 21:39:21 +00004111static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4112 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004113{
4114 int i = 0;
4115 u32 cur_bit = 0;
4116 for (i = 0; sig; i++) {
4117 cur_bit = ((u32)0x1 << i);
4118 if (sig & cur_bit) {
4119 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004120 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4121 if (print)
4122 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004123 break;
4124 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004125 if (print)
4126 _print_next_block(par_num++, "QM");
4127 break;
4128 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4129 if (print)
4130 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004131 break;
4132 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004133 if (print)
4134 _print_next_block(par_num++, "XSDM");
4135 break;
4136 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4137 if (print)
4138 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004139 break;
4140 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004141 if (print)
4142 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004143 break;
4144 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004145 if (print)
4146 _print_next_block(par_num++,
4147 "DOORBELLQ");
4148 break;
4149 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4150 if (print)
4151 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004152 break;
4153 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004154 if (print)
4155 _print_next_block(par_num++,
4156 "VAUX PCI CORE");
4157 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004158 break;
4159 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004160 if (print)
4161 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004162 break;
4163 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004164 if (print)
4165 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004166 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004167 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4168 if (print)
4169 _print_next_block(par_num++, "UCM");
4170 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004171 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004172 if (print)
4173 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004174 break;
4175 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004176 if (print)
4177 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004178 break;
4179 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004180 if (print)
4181 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004182 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004183 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4184 if (print)
4185 _print_next_block(par_num++, "CCM");
4186 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004187 }
4188
4189 /* Clear the bit */
4190 sig &= ~cur_bit;
4191 }
4192 }
4193
4194 return par_num;
4195}
4196
Eric Dumazet1191cb82012-04-27 21:39:21 +00004197static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4198 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004199{
4200 int i = 0;
4201 u32 cur_bit = 0;
4202 for (i = 0; sig; i++) {
4203 cur_bit = ((u32)0x1 << i);
4204 if (sig & cur_bit) {
4205 switch (cur_bit) {
4206 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 if (print)
4208 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004209 break;
4210 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004211 if (print)
4212 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004213 break;
4214 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004215 if (print)
4216 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004217 "PXPPCICLOCKCLIENT");
4218 break;
4219 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004220 if (print)
4221 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004222 break;
4223 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004224 if (print)
4225 _print_next_block(par_num++, "CDU");
4226 break;
4227 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4228 if (print)
4229 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004230 break;
4231 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004232 if (print)
4233 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004234 break;
4235 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004236 if (print)
4237 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004238 break;
4239 }
4240
4241 /* Clear the bit */
4242 sig &= ~cur_bit;
4243 }
4244 }
4245
4246 return par_num;
4247}
4248
Eric Dumazet1191cb82012-04-27 21:39:21 +00004249static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4250 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004251{
4252 int i = 0;
4253 u32 cur_bit = 0;
4254 for (i = 0; sig; i++) {
4255 cur_bit = ((u32)0x1 << i);
4256 if (sig & cur_bit) {
4257 switch (cur_bit) {
4258 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004259 if (print)
4260 _print_next_block(par_num++, "MCP ROM");
4261 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004262 break;
4263 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004264 if (print)
4265 _print_next_block(par_num++,
4266 "MCP UMP RX");
4267 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004268 break;
4269 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004270 if (print)
4271 _print_next_block(par_num++,
4272 "MCP UMP TX");
4273 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004274 break;
4275 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004276 if (print)
4277 _print_next_block(par_num++,
4278 "MCP SCPAD");
4279 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004280 break;
4281 }
4282
4283 /* Clear the bit */
4284 sig &= ~cur_bit;
4285 }
4286 }
4287
4288 return par_num;
4289}
4290
Eric Dumazet1191cb82012-04-27 21:39:21 +00004291static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4292 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004293{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004294 int i = 0;
4295 u32 cur_bit = 0;
4296 for (i = 0; sig; i++) {
4297 cur_bit = ((u32)0x1 << i);
4298 if (sig & cur_bit) {
4299 switch (cur_bit) {
4300 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4301 if (print)
4302 _print_next_block(par_num++, "PGLUE_B");
4303 break;
4304 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4305 if (print)
4306 _print_next_block(par_num++, "ATC");
4307 break;
4308 }
4309
4310 /* Clear the bit */
4311 sig &= ~cur_bit;
4312 }
4313 }
4314
4315 return par_num;
4316}
4317
Eric Dumazet1191cb82012-04-27 21:39:21 +00004318static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4319 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004320{
4321 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4322 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4323 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4324 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4325 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004326 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004327 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4328 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004329 sig[0] & HW_PRTY_ASSERT_SET_0,
4330 sig[1] & HW_PRTY_ASSERT_SET_1,
4331 sig[2] & HW_PRTY_ASSERT_SET_2,
4332 sig[3] & HW_PRTY_ASSERT_SET_3,
4333 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004334 if (print)
4335 netdev_err(bp->dev,
4336 "Parity errors detected in blocks: ");
4337 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004338 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004339 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004340 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004341 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004342 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004343 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004344 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4345 par_num = bnx2x_check_blocks_with_parity4(
4346 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4347
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004348 if (print)
4349 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004350
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004351 return true;
4352 } else
4353 return false;
4354}
4355
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004356/**
4357 * bnx2x_chk_parity_attn - checks for parity attentions.
4358 *
4359 * @bp: driver handle
4360 * @global: true if there was a global attention
4361 * @print: show parity attention in syslog
4362 */
4363bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004364{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004365 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004366 int port = BP_PORT(bp);
4367
4368 attn.sig[0] = REG_RD(bp,
4369 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4370 port*4);
4371 attn.sig[1] = REG_RD(bp,
4372 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4373 port*4);
4374 attn.sig[2] = REG_RD(bp,
4375 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4376 port*4);
4377 attn.sig[3] = REG_RD(bp,
4378 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4379 port*4);
4380
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004381 if (!CHIP_IS_E1x(bp))
4382 attn.sig[4] = REG_RD(bp,
4383 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4384 port*4);
4385
4386 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004387}
4388
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004389
Eric Dumazet1191cb82012-04-27 21:39:21 +00004390static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004391{
4392 u32 val;
4393 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4394
4395 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4396 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4397 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004398 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004399 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004400 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004401 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004402 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004403 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004404 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004405 if (val &
4406 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004407 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004408 if (val &
4409 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004410 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004411 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004412 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004413 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004414 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004415 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004416 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004417 }
4418 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4419 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4420 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4421 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4422 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4423 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004424 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004425 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004426 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004427 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004428 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004429 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4430 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4431 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004432 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004433 }
4434
4435 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4436 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4437 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4438 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4439 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4440 }
4441
4442}
4443
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004444static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4445{
4446 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004447 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004448 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004449 u32 reg_addr;
4450 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004451 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004452 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004453
4454 /* need to take HW lock because MCP or other port might also
4455 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004456 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004457
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004458 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4459#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004460 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004461 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004462 /* Disable HW interrupts */
4463 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004464 /* In case of parity errors don't handle attentions so that
4465 * other function would "see" parity errors.
4466 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004467#else
4468 bnx2x_panic();
4469#endif
4470 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004471 return;
4472 }
4473
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004474 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4475 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4476 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4477 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004478 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004479 attn.sig[4] =
4480 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4481 else
4482 attn.sig[4] = 0;
4483
4484 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4485 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004486
4487 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4488 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004489 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004490
Merav Sicron51c1a582012-03-18 10:33:38 +00004491 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004492 index,
4493 group_mask->sig[0], group_mask->sig[1],
4494 group_mask->sig[2], group_mask->sig[3],
4495 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004496
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004497 bnx2x_attn_int_deasserted4(bp,
4498 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004499 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004500 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004501 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004502 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004503 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004504 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004505 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004506 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004507 }
4508 }
4509
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004510 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004511
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004512 if (bp->common.int_block == INT_BLOCK_HC)
4513 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4514 COMMAND_REG_ATTN_BITS_CLR);
4515 else
4516 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004517
4518 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004519 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4520 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004521 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004522
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004523 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004524 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004525
4526 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4527 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4528
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004529 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4530 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004531
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004532 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4533 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004534 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004535 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4536
4537 REG_WR(bp, reg_addr, aeu_mask);
4538 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004539
4540 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4541 bp->attn_state &= ~deasserted;
4542 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4543}
4544
4545static void bnx2x_attn_int(struct bnx2x *bp)
4546{
4547 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004548 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4549 attn_bits);
4550 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4551 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004552 u32 attn_state = bp->attn_state;
4553
4554 /* look for changed bits */
4555 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4556 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4557
4558 DP(NETIF_MSG_HW,
4559 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4560 attn_bits, attn_ack, asserted, deasserted);
4561
4562 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004563 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004564
4565 /* handle bits that were raised */
4566 if (asserted)
4567 bnx2x_attn_int_asserted(bp, asserted);
4568
4569 if (deasserted)
4570 bnx2x_attn_int_deasserted(bp, deasserted);
4571}
4572
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004573void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4574 u16 index, u8 op, u8 update)
4575{
4576 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4577
4578 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4579 igu_addr);
4580}
4581
Eric Dumazet1191cb82012-04-27 21:39:21 +00004582static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004583{
4584 /* No memory barriers */
4585 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4586 mmiowb(); /* keep prod updates ordered */
4587}
4588
4589#ifdef BCM_CNIC
4590static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4591 union event_ring_elem *elem)
4592{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004593 u8 err = elem->message.error;
4594
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004595 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004596 (cid < bp->cnic_eth_dev.starting_cid &&
4597 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004598 return 1;
4599
4600 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4601
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004602 if (unlikely(err)) {
4603
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004604 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4605 cid);
4606 bnx2x_panic_dump(bp);
4607 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004608 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004609 return 0;
4610}
4611#endif
4612
Eric Dumazet1191cb82012-04-27 21:39:21 +00004613static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004614{
4615 struct bnx2x_mcast_ramrod_params rparam;
4616 int rc;
4617
4618 memset(&rparam, 0, sizeof(rparam));
4619
4620 rparam.mcast_obj = &bp->mcast_obj;
4621
4622 netif_addr_lock_bh(bp->dev);
4623
4624 /* Clear pending state for the last command */
4625 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4626
4627 /* If there are pending mcast commands - send them */
4628 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4629 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4630 if (rc < 0)
4631 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4632 rc);
4633 }
4634
4635 netif_addr_unlock_bh(bp->dev);
4636}
4637
Eric Dumazet1191cb82012-04-27 21:39:21 +00004638static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4639 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004640{
4641 unsigned long ramrod_flags = 0;
4642 int rc = 0;
4643 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4644 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4645
4646 /* Always push next commands out, don't wait here */
4647 __set_bit(RAMROD_CONT, &ramrod_flags);
4648
4649 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4650 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004651 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004652#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004653 if (cid == BNX2X_ISCSI_ETH_CID(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004654 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4655 else
4656#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004657 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004658
4659 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004660 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004661 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004662 /* This is only relevant for 57710 where multicast MACs are
4663 * configured as unicast MACs using the same ramrod.
4664 */
4665 bnx2x_handle_mcast_eqe(bp);
4666 return;
4667 default:
4668 BNX2X_ERR("Unsupported classification command: %d\n",
4669 elem->message.data.eth_event.echo);
4670 return;
4671 }
4672
4673 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4674
4675 if (rc < 0)
4676 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4677 else if (rc > 0)
4678 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4679
4680}
4681
4682#ifdef BCM_CNIC
4683static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4684#endif
4685
Eric Dumazet1191cb82012-04-27 21:39:21 +00004686static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004687{
4688 netif_addr_lock_bh(bp->dev);
4689
4690 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4691
4692 /* Send rx_mode command again if was requested */
4693 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4694 bnx2x_set_storm_rx_mode(bp);
4695#ifdef BCM_CNIC
4696 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4697 &bp->sp_state))
4698 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4699 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4700 &bp->sp_state))
4701 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4702#endif
4703
4704 netif_addr_unlock_bh(bp->dev);
4705}
4706
Eric Dumazet1191cb82012-04-27 21:39:21 +00004707static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004708 union event_ring_elem *elem)
4709{
4710 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4711 DP(BNX2X_MSG_SP,
4712 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4713 elem->message.data.vif_list_event.func_bit_map);
4714 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4715 elem->message.data.vif_list_event.func_bit_map);
4716 } else if (elem->message.data.vif_list_event.echo ==
4717 VIF_LIST_RULE_SET) {
4718 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4719 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4720 }
4721}
4722
4723/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004724static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004725{
4726 int q, rc;
4727 struct bnx2x_fastpath *fp;
4728 struct bnx2x_queue_state_params queue_params = {NULL};
4729 struct bnx2x_queue_update_params *q_update_params =
4730 &queue_params.params.update;
4731
4732 /* Send Q update command with afex vlan removal values for all Qs */
4733 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4734
4735 /* set silent vlan removal values according to vlan mode */
4736 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4737 &q_update_params->update_flags);
4738 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4739 &q_update_params->update_flags);
4740 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4741
4742 /* in access mode mark mask and value are 0 to strip all vlans */
4743 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4744 q_update_params->silent_removal_value = 0;
4745 q_update_params->silent_removal_mask = 0;
4746 } else {
4747 q_update_params->silent_removal_value =
4748 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4749 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4750 }
4751
4752 for_each_eth_queue(bp, q) {
4753 /* Set the appropriate Queue object */
4754 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004755 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004756
4757 /* send the ramrod */
4758 rc = bnx2x_queue_state_change(bp, &queue_params);
4759 if (rc < 0)
4760 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4761 q);
4762 }
4763
4764#ifdef BCM_CNIC
4765 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004766 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004767 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004768
4769 /* clear pending completion bit */
4770 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4771
4772 /* mark latest Q bit */
4773 smp_mb__before_clear_bit();
4774 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4775 smp_mb__after_clear_bit();
4776
4777 /* send Q update ramrod for FCoE Q */
4778 rc = bnx2x_queue_state_change(bp, &queue_params);
4779 if (rc < 0)
4780 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4781 q);
4782 } else {
4783 /* If no FCoE ring - ACK MCP now */
4784 bnx2x_link_report(bp);
4785 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4786 }
4787#else
4788 /* If no FCoE ring - ACK MCP now */
4789 bnx2x_link_report(bp);
4790 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4791#endif /* BCM_CNIC */
4792}
4793
Eric Dumazet1191cb82012-04-27 21:39:21 +00004794static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004795 struct bnx2x *bp, u32 cid)
4796{
Joe Perches94f05b02011-08-14 12:16:20 +00004797 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004798#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004799 if (cid == BNX2X_FCOE_ETH_CID(bp))
Barak Witkowski15192a82012-06-19 07:48:28 +00004800 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004801 else
4802#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004803 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004804}
4805
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004806static void bnx2x_eq_int(struct bnx2x *bp)
4807{
4808 u16 hw_cons, sw_cons, sw_prod;
4809 union event_ring_elem *elem;
4810 u32 cid;
4811 u8 opcode;
4812 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004813 struct bnx2x_queue_sp_obj *q_obj;
4814 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4815 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004816
4817 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4818
4819 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4820 * when we get the the next-page we nned to adjust so the loop
4821 * condition below will be met. The next element is the size of a
4822 * regular element and hence incrementing by 1
4823 */
4824 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4825 hw_cons++;
4826
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004827 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004828 * specific bp, thus there is no need in "paired" read memory
4829 * barrier here.
4830 */
4831 sw_cons = bp->eq_cons;
4832 sw_prod = bp->eq_prod;
4833
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004834 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004835 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004836
4837 for (; sw_cons != hw_cons;
4838 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4839
4840
4841 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4842
4843 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4844 opcode = elem->message.opcode;
4845
4846
4847 /* handle eq element */
4848 switch (opcode) {
4849 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004850 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4851 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004852 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004853 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004854 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004855
4856 case EVENT_RING_OPCODE_CFC_DEL:
4857 /* handle according to cid range */
4858 /*
4859 * we may want to verify here that the bp state is
4860 * HALTING
4861 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004862 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004863 "got delete ramrod for MULTI[%d]\n", cid);
4864#ifdef BCM_CNIC
4865 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4866 goto next_spqe;
4867#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004868 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4869
4870 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4871 break;
4872
4873
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004874
4875 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004876
4877 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004878 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004879 if (f_obj->complete_cmd(bp, f_obj,
4880 BNX2X_F_CMD_TX_STOP))
4881 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004882 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4883 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004884
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004885 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004886 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004887 if (f_obj->complete_cmd(bp, f_obj,
4888 BNX2X_F_CMD_TX_START))
4889 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004890 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4891 goto next_spqe;
Barak Witkowskia3348722012-04-23 03:04:46 +00004892 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
4893 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4894 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4895 f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_AFEX_UPDATE);
4896
4897 /* We will perform the Queues update from sp_rtnl task
4898 * as all Queue SP operations should run under
4899 * rtnl_lock.
4900 */
4901 smp_mb__before_clear_bit();
4902 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4903 &bp->sp_rtnl_state);
4904 smp_mb__after_clear_bit();
4905
4906 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4907 goto next_spqe;
4908
4909 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4910 f_obj->complete_cmd(bp, f_obj,
4911 BNX2X_F_CMD_AFEX_VIFLISTS);
4912 bnx2x_after_afex_vif_lists(bp, elem);
4913 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004914 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004915 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4916 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004917 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4918 break;
4919
4920 goto next_spqe;
4921
4922 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004923 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4924 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004925 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4926 break;
4927
4928 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004929 }
4930
4931 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004932 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4933 BNX2X_STATE_OPEN):
4934 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004935 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004936 cid = elem->message.data.eth_event.echo &
4937 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004938 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004939 cid);
4940 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004941 break;
4942
4943 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4944 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004945 case (EVENT_RING_OPCODE_SET_MAC |
4946 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004947 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4948 BNX2X_STATE_OPEN):
4949 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4950 BNX2X_STATE_DIAG):
4951 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4952 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004953 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004954 bnx2x_handle_classification_eqe(bp, elem);
4955 break;
4956
4957 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4958 BNX2X_STATE_OPEN):
4959 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4960 BNX2X_STATE_DIAG):
4961 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4962 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004963 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004964 bnx2x_handle_mcast_eqe(bp);
4965 break;
4966
4967 case (EVENT_RING_OPCODE_FILTERS_RULES |
4968 BNX2X_STATE_OPEN):
4969 case (EVENT_RING_OPCODE_FILTERS_RULES |
4970 BNX2X_STATE_DIAG):
4971 case (EVENT_RING_OPCODE_FILTERS_RULES |
4972 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004973 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004974 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004975 break;
4976 default:
4977 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004978 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4979 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004980 }
4981next_spqe:
4982 spqe_cnt++;
4983 } /* for */
4984
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004985 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004986 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004987
4988 bp->eq_cons = sw_cons;
4989 bp->eq_prod = sw_prod;
4990 /* Make sure that above mem writes were issued towards the memory */
4991 smp_wmb();
4992
4993 /* update producer */
4994 bnx2x_update_eq_prod(bp, bp->eq_prod);
4995}
4996
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004997static void bnx2x_sp_task(struct work_struct *work)
4998{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004999 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005000 u16 status;
5001
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005002 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005003/* if (status == 0) */
5004/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005005
Merav Sicron51c1a582012-03-18 10:33:38 +00005006 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005007
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005008 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005009 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005010 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005011 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005012 }
5013
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005014 /* SP events: STAT_QUERY and others */
5015 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005016#ifdef BCM_CNIC
5017 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005018
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005019 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005020 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5021 /*
5022 * Prevent local bottom-halves from running as
5023 * we are going to change the local NAPI list.
5024 */
5025 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005026 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005027 local_bh_enable();
5028 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005029#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005030 /* Handle EQ completions */
5031 bnx2x_eq_int(bp);
5032
5033 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5034 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5035
5036 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005037 }
5038
5039 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005040 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005041 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005042
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005043 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5044 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005045
5046 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5047 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5048 &bp->sp_state)) {
5049 bnx2x_link_report(bp);
5050 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5051 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005052}
5053
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005054irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005055{
5056 struct net_device *dev = dev_instance;
5057 struct bnx2x *bp = netdev_priv(dev);
5058
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005059 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5060 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005061
5062#ifdef BNX2X_STOP_ON_ERROR
5063 if (unlikely(bp->panic))
5064 return IRQ_HANDLED;
5065#endif
5066
Michael Chan993ac7b2009-10-10 13:46:56 +00005067#ifdef BCM_CNIC
5068 {
5069 struct cnic_ops *c_ops;
5070
5071 rcu_read_lock();
5072 c_ops = rcu_dereference(bp->cnic_ops);
5073 if (c_ops)
5074 c_ops->cnic_handler(bp->cnic_data, NULL);
5075 rcu_read_unlock();
5076 }
5077#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005078 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005079
5080 return IRQ_HANDLED;
5081}
5082
5083/* end of slow path */
5084
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005085
5086void bnx2x_drv_pulse(struct bnx2x *bp)
5087{
5088 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5089 bp->fw_drv_pulse_wr_seq);
5090}
5091
5092
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093static void bnx2x_timer(unsigned long data)
5094{
5095 struct bnx2x *bp = (struct bnx2x *) data;
5096
5097 if (!netif_running(bp->dev))
5098 return;
5099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005100 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005101 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005102 u32 drv_pulse;
5103 u32 mcp_pulse;
5104
5105 ++bp->fw_drv_pulse_wr_seq;
5106 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5107 /* TBD - add SYSTEM_TIME */
5108 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005109 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005110
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005111 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005112 MCP_PULSE_SEQ_MASK);
5113 /* The delta between driver pulse and mcp response
5114 * should be 1 (before mcp response) or 0 (after mcp response)
5115 */
5116 if ((drv_pulse != mcp_pulse) &&
5117 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5118 /* someone lost a heartbeat... */
5119 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5120 drv_pulse, mcp_pulse);
5121 }
5122 }
5123
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005124 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005125 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005126
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127 mod_timer(&bp->timer, jiffies + bp->current_interval);
5128}
5129
5130/* end of Statistics */
5131
5132/* nic init */
5133
5134/*
5135 * nic init service functions
5136 */
5137
Eric Dumazet1191cb82012-04-27 21:39:21 +00005138static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005139{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005140 u32 i;
5141 if (!(len%4) && !(addr%4))
5142 for (i = 0; i < len; i += 4)
5143 REG_WR(bp, addr + i, fill);
5144 else
5145 for (i = 0; i < len; i++)
5146 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005148}
5149
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005150/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005151static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5152 int fw_sb_id,
5153 u32 *sb_data_p,
5154 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005155{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005157 for (index = 0; index < data_size; index++)
5158 REG_WR(bp, BAR_CSTRORM_INTMEM +
5159 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5160 sizeof(u32)*index,
5161 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005162}
5163
Eric Dumazet1191cb82012-04-27 21:39:21 +00005164static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005165{
5166 u32 *sb_data_p;
5167 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005169 struct hc_status_block_data_e1x sb_data_e1x;
5170
5171 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005172 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005173 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005174 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005175 sb_data_e2.common.p_func.vf_valid = false;
5176 sb_data_p = (u32 *)&sb_data_e2;
5177 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5178 } else {
5179 memset(&sb_data_e1x, 0,
5180 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005181 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005182 sb_data_e1x.common.p_func.vf_valid = false;
5183 sb_data_p = (u32 *)&sb_data_e1x;
5184 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5185 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005186 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5187
5188 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5189 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5190 CSTORM_STATUS_BLOCK_SIZE);
5191 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5192 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5193 CSTORM_SYNC_BLOCK_SIZE);
5194}
5195
5196/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005197static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005198 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005199{
5200 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005201 int i;
5202 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5203 REG_WR(bp, BAR_CSTRORM_INTMEM +
5204 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5205 i*sizeof(u32),
5206 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005207}
5208
Eric Dumazet1191cb82012-04-27 21:39:21 +00005209static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005210{
5211 int func = BP_FUNC(bp);
5212 struct hc_sp_status_block_data sp_sb_data;
5213 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5214
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005215 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005216 sp_sb_data.p_func.vf_valid = false;
5217
5218 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5219
5220 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5221 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5222 CSTORM_SP_STATUS_BLOCK_SIZE);
5223 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5224 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5225 CSTORM_SP_SYNC_BLOCK_SIZE);
5226
5227}
5228
5229
Eric Dumazet1191cb82012-04-27 21:39:21 +00005230static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005231 int igu_sb_id, int igu_seg_id)
5232{
5233 hc_sm->igu_sb_id = igu_sb_id;
5234 hc_sm->igu_seg_id = igu_seg_id;
5235 hc_sm->timer_value = 0xFF;
5236 hc_sm->time_to_expire = 0xFFFFFFFF;
5237}
5238
David S. Miller8decf862011-09-22 03:23:13 -04005239
5240/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005241static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005242{
5243 /* zero out state machine indices */
5244 /* rx indices */
5245 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5246
5247 /* tx indices */
5248 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5249 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5250 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5251 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5252
5253 /* map indices */
5254 /* rx indices */
5255 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5256 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5257
5258 /* tx indices */
5259 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5260 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5261 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5262 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5263 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5264 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5265 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5266 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5267}
5268
stephen hemminger8d962862010-10-21 07:50:56 +00005269static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005270 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5271{
5272 int igu_seg_id;
5273
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005274 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005275 struct hc_status_block_data_e1x sb_data_e1x;
5276 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005277 int data_size;
5278 u32 *sb_data_p;
5279
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005280 if (CHIP_INT_MODE_IS_BC(bp))
5281 igu_seg_id = HC_SEG_ACCESS_NORM;
5282 else
5283 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005284
5285 bnx2x_zero_fp_sb(bp, fw_sb_id);
5286
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005287 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005288 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005289 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005290 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5291 sb_data_e2.common.p_func.vf_id = vfid;
5292 sb_data_e2.common.p_func.vf_valid = vf_valid;
5293 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5294 sb_data_e2.common.same_igu_sb_1b = true;
5295 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5296 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5297 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005298 sb_data_p = (u32 *)&sb_data_e2;
5299 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005300 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005301 } else {
5302 memset(&sb_data_e1x, 0,
5303 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005304 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005305 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5306 sb_data_e1x.common.p_func.vf_id = 0xff;
5307 sb_data_e1x.common.p_func.vf_valid = false;
5308 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5309 sb_data_e1x.common.same_igu_sb_1b = true;
5310 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5311 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5312 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005313 sb_data_p = (u32 *)&sb_data_e1x;
5314 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005315 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005316 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005317
5318 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5319 igu_sb_id, igu_seg_id);
5320 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5321 igu_sb_id, igu_seg_id);
5322
Merav Sicron51c1a582012-03-18 10:33:38 +00005323 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005324
5325 /* write indecies to HW */
5326 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5327}
5328
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005329static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005330 u16 tx_usec, u16 rx_usec)
5331{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005332 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005333 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005334 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5335 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5336 tx_usec);
5337 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5338 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5339 tx_usec);
5340 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5341 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5342 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005343}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005344
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005345static void bnx2x_init_def_sb(struct bnx2x *bp)
5346{
5347 struct host_sp_status_block *def_sb = bp->def_status_blk;
5348 dma_addr_t mapping = bp->def_status_blk_mapping;
5349 int igu_sp_sb_index;
5350 int igu_seg_id;
5351 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005353 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005354 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005355 int index;
5356 struct hc_sp_status_block_data sp_sb_data;
5357 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5358
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005359 if (CHIP_INT_MODE_IS_BC(bp)) {
5360 igu_sp_sb_index = DEF_SB_IGU_ID;
5361 igu_seg_id = HC_SEG_ACCESS_DEF;
5362 } else {
5363 igu_sp_sb_index = bp->igu_dsb_id;
5364 igu_seg_id = IGU_SEG_ACCESS_DEF;
5365 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005366
5367 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005368 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005369 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005370 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005371
Eliezer Tamir49d66772008-02-28 11:53:13 -08005372 bp->attn_state = 0;
5373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005374 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5375 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005376 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5377 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005378 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005379 int sindex;
5380 /* take care of sig[0]..sig[4] */
5381 for (sindex = 0; sindex < 4; sindex++)
5382 bp->attn_group[index].sig[sindex] =
5383 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005384
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005385 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005386 /*
5387 * enable5 is separate from the rest of the registers,
5388 * and therefore the address skip is 4
5389 * and not 16 between the different groups
5390 */
5391 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005392 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005393 else
5394 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005395 }
5396
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005397 if (bp->common.int_block == INT_BLOCK_HC) {
5398 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5399 HC_REG_ATTN_MSG0_ADDR_L);
5400
5401 REG_WR(bp, reg_offset, U64_LO(section));
5402 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005403 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005404 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5405 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5406 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005408 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5409 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005410
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005411 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005412
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005413 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005414 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5415 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5416 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5417 sp_sb_data.igu_seg_id = igu_seg_id;
5418 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005419 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005420 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005421
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005422 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005424 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425}
5426
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005427void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005429 int i;
5430
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005431 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005432 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005433 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434}
5435
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005436static void bnx2x_init_sp_ring(struct bnx2x *bp)
5437{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005438 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005439 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005441 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005442 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5443 bp->spq_prod_bd = bp->spq;
5444 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005445}
5446
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005447static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448{
5449 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005450 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5451 union event_ring_elem *elem =
5452 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005453
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005454 elem->next_page.addr.hi =
5455 cpu_to_le32(U64_HI(bp->eq_mapping +
5456 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5457 elem->next_page.addr.lo =
5458 cpu_to_le32(U64_LO(bp->eq_mapping +
5459 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005460 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005461 bp->eq_cons = 0;
5462 bp->eq_prod = NUM_EQ_DESC;
5463 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005464 /* we want a warning message before it gets rought... */
5465 atomic_set(&bp->eq_spq_left,
5466 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467}
5468
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005469
5470/* called with netif_addr_lock_bh() */
5471void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5472 unsigned long rx_mode_flags,
5473 unsigned long rx_accept_flags,
5474 unsigned long tx_accept_flags,
5475 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005476{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005477 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5478 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005479
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005480 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005481
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005482 /* Prepare ramrod parameters */
5483 ramrod_param.cid = 0;
5484 ramrod_param.cl_id = cl_id;
5485 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5486 ramrod_param.func_id = BP_FUNC(bp);
5487
5488 ramrod_param.pstate = &bp->sp_state;
5489 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5490
5491 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5492 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5493
5494 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5495
5496 ramrod_param.ramrod_flags = ramrod_flags;
5497 ramrod_param.rx_mode_flags = rx_mode_flags;
5498
5499 ramrod_param.rx_accept_flags = rx_accept_flags;
5500 ramrod_param.tx_accept_flags = tx_accept_flags;
5501
5502 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5503 if (rc < 0) {
5504 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5505 return;
5506 }
5507}
5508
5509/* called with netif_addr_lock_bh() */
5510void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5511{
5512 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5513 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5514
5515#ifdef BCM_CNIC
5516 if (!NO_FCOE(bp))
5517
5518 /* Configure rx_mode of FCoE Queue */
5519 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5520#endif
5521
5522 switch (bp->rx_mode) {
5523 case BNX2X_RX_MODE_NONE:
5524 /*
5525 * 'drop all' supersedes any accept flags that may have been
5526 * passed to the function.
5527 */
5528 break;
5529 case BNX2X_RX_MODE_NORMAL:
5530 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5531 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5532 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5533
5534 /* internal switching mode */
5535 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5536 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5537 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5538
5539 break;
5540 case BNX2X_RX_MODE_ALLMULTI:
5541 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5542 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5543 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5544
5545 /* internal switching mode */
5546 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5547 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5548 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5549
5550 break;
5551 case BNX2X_RX_MODE_PROMISC:
5552 /* According to deffinition of SI mode, iface in promisc mode
5553 * should receive matched and unmatched (in resolution of port)
5554 * unicast packets.
5555 */
5556 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5557 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5558 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5559 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5560
5561 /* internal switching mode */
5562 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5563 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5564
5565 if (IS_MF_SI(bp))
5566 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5567 else
5568 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5569
5570 break;
5571 default:
5572 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5573 return;
5574 }
5575
5576 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5577 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5578 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5579 }
5580
5581 __set_bit(RAMROD_RX, &ramrod_flags);
5582 __set_bit(RAMROD_TX, &ramrod_flags);
5583
5584 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5585 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005586}
5587
Eilon Greenstein471de712008-08-13 15:49:35 -07005588static void bnx2x_init_internal_common(struct bnx2x *bp)
5589{
5590 int i;
5591
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005592 if (IS_MF_SI(bp))
5593 /*
5594 * In switch independent mode, the TSTORM needs to accept
5595 * packets that failed classification, since approximate match
5596 * mac addresses aren't written to NIG LLH
5597 */
5598 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5599 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005600 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5601 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5602 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005603
Eilon Greenstein471de712008-08-13 15:49:35 -07005604 /* Zero this manually as its initialization is
5605 currently missing in the initTool */
5606 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5607 REG_WR(bp, BAR_USTRORM_INTMEM +
5608 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005609 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005610 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5611 CHIP_INT_MODE_IS_BC(bp) ?
5612 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5613 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005614}
5615
Eilon Greenstein471de712008-08-13 15:49:35 -07005616static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5617{
5618 switch (load_code) {
5619 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005620 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005621 bnx2x_init_internal_common(bp);
5622 /* no break */
5623
5624 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005625 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005626 /* no break */
5627
5628 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005629 /* internal memory per function is
5630 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005631 break;
5632
5633 default:
5634 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5635 break;
5636 }
5637}
5638
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005639static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5640{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005641 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005642}
5643
5644static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5645{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005646 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005647}
5648
Eric Dumazet1191cb82012-04-27 21:39:21 +00005649static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005650{
5651 if (CHIP_IS_E1x(fp->bp))
5652 return BP_L_ID(fp->bp) + fp->index;
5653 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5654 return bnx2x_fp_igu_sb_id(fp);
5655}
5656
Ariel Elior6383c0b2011-07-14 08:31:57 +00005657static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005658{
5659 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005660 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005661 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005662 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005663 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005664 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005665 fp->cl_id = bnx2x_fp_cl_id(fp);
5666 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5667 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005668 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005669 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5670
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005671 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005672 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005673
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005674 /* Setup SB indicies */
5675 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005676
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005677 /* Configure Queue State object */
5678 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5679 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005680
5681 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5682
5683 /* init tx data */
5684 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005685 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5686 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5687 FP_COS_TO_TXQ(fp, cos, bp),
5688 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5689 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005690 }
5691
Barak Witkowski15192a82012-06-19 07:48:28 +00005692 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5693 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005694 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005695
5696 /**
5697 * Configure classification DBs: Always enable Tx switching
5698 */
5699 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5700
Merav Sicron51c1a582012-03-18 10:33:38 +00005701 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005702 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005703 fp->igu_sb_id);
5704 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5705 fp->fw_sb_id, fp->igu_sb_id);
5706
5707 bnx2x_update_fpsb_idx(fp);
5708}
5709
Eric Dumazet1191cb82012-04-27 21:39:21 +00005710static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5711{
5712 int i;
5713
5714 for (i = 1; i <= NUM_TX_RINGS; i++) {
5715 struct eth_tx_next_bd *tx_next_bd =
5716 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5717
5718 tx_next_bd->addr_hi =
5719 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5720 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5721 tx_next_bd->addr_lo =
5722 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5723 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5724 }
5725
5726 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5727 txdata->tx_db.data.zero_fill1 = 0;
5728 txdata->tx_db.data.prod = 0;
5729
5730 txdata->tx_pkt_prod = 0;
5731 txdata->tx_pkt_cons = 0;
5732 txdata->tx_bd_prod = 0;
5733 txdata->tx_bd_cons = 0;
5734 txdata->tx_pkt = 0;
5735}
5736
5737static void bnx2x_init_tx_rings(struct bnx2x *bp)
5738{
5739 int i;
5740 u8 cos;
5741
5742 for_each_tx_queue(bp, i)
5743 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005744 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005745}
5746
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005747void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005748{
5749 int i;
5750
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005751 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005752 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005753#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005754 if (!NO_FCOE(bp))
5755 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005756
5757 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5758 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005759 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005760
Michael Chan37b091b2009-10-10 13:46:55 +00005761#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005762
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005763 /* Initialize MOD_ABS interrupts */
5764 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5765 bp->common.shmem_base, bp->common.shmem2_base,
5766 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005767 /* ensure status block indices were read */
5768 rmb();
5769
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005770 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005771 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005772 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005773 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005774 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005775 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005776 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005777 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005778 bnx2x_stats_init(bp);
5779
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005780 /* flush all before enabling interrupts */
5781 mb();
5782 mmiowb();
5783
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005784 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005785
5786 /* Check for SPIO5 */
5787 bnx2x_attn_int_deasserted0(bp,
5788 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5789 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005790}
5791
5792/* end of nic init */
5793
5794/*
5795 * gzip service functions
5796 */
5797
5798static int bnx2x_gunzip_init(struct bnx2x *bp)
5799{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005800 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5801 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005802 if (bp->gunzip_buf == NULL)
5803 goto gunzip_nomem1;
5804
5805 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5806 if (bp->strm == NULL)
5807 goto gunzip_nomem2;
5808
David S. Miller7ab24bf2011-06-29 05:48:41 -07005809 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005810 if (bp->strm->workspace == NULL)
5811 goto gunzip_nomem3;
5812
5813 return 0;
5814
5815gunzip_nomem3:
5816 kfree(bp->strm);
5817 bp->strm = NULL;
5818
5819gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005820 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5821 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005822 bp->gunzip_buf = NULL;
5823
5824gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005825 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005826 return -ENOMEM;
5827}
5828
5829static void bnx2x_gunzip_end(struct bnx2x *bp)
5830{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005831 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005832 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005833 kfree(bp->strm);
5834 bp->strm = NULL;
5835 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005836
5837 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005838 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5839 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005840 bp->gunzip_buf = NULL;
5841 }
5842}
5843
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005844static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005845{
5846 int n, rc;
5847
5848 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005849 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5850 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005851 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005852 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005853
5854 n = 10;
5855
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005856#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005857
5858 if (zbuf[3] & FNAME)
5859 while ((zbuf[n++] != 0) && (n < len));
5860
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005861 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005862 bp->strm->avail_in = len - n;
5863 bp->strm->next_out = bp->gunzip_buf;
5864 bp->strm->avail_out = FW_BUF_SIZE;
5865
5866 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5867 if (rc != Z_OK)
5868 return rc;
5869
5870 rc = zlib_inflate(bp->strm, Z_FINISH);
5871 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005872 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5873 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005874
5875 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5876 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005877 netdev_err(bp->dev,
5878 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005879 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005880 bp->gunzip_outlen >>= 2;
5881
5882 zlib_inflateEnd(bp->strm);
5883
5884 if (rc == Z_STREAM_END)
5885 return 0;
5886
5887 return rc;
5888}
5889
5890/* nic load/unload */
5891
5892/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005893 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005894 */
5895
5896/* send a NIG loopback debug packet */
5897static void bnx2x_lb_pckt(struct bnx2x *bp)
5898{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005899 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005900
5901 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005902 wb_write[0] = 0x55555555;
5903 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005904 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005905 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005906
5907 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005908 wb_write[0] = 0x09000000;
5909 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005910 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005911 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005912}
5913
5914/* some of the internal memories
5915 * are not directly readable from the driver
5916 * to test them we send debug packets
5917 */
5918static int bnx2x_int_mem_test(struct bnx2x *bp)
5919{
5920 int factor;
5921 int count, i;
5922 u32 val = 0;
5923
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005924 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005926 else if (CHIP_REV_IS_EMUL(bp))
5927 factor = 200;
5928 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005929 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005931 /* Disable inputs of parser neighbor blocks */
5932 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5933 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5934 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005935 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005936
5937 /* Write 0 to parser credits for CFC search request */
5938 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5939
5940 /* send Ethernet packet */
5941 bnx2x_lb_pckt(bp);
5942
5943 /* TODO do i reset NIG statistic? */
5944 /* Wait until NIG register shows 1 packet of size 0x10 */
5945 count = 1000 * factor;
5946 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005947
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005948 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5949 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005950 if (val == 0x10)
5951 break;
5952
5953 msleep(10);
5954 count--;
5955 }
5956 if (val != 0x10) {
5957 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5958 return -1;
5959 }
5960
5961 /* Wait until PRS register shows 1 packet */
5962 count = 1000 * factor;
5963 while (count) {
5964 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005965 if (val == 1)
5966 break;
5967
5968 msleep(10);
5969 count--;
5970 }
5971 if (val != 0x1) {
5972 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5973 return -2;
5974 }
5975
5976 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005977 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005979 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005981 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5982 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983
5984 DP(NETIF_MSG_HW, "part2\n");
5985
5986 /* Disable inputs of parser neighbor blocks */
5987 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5988 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5989 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005990 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005991
5992 /* Write 0 to parser credits for CFC search request */
5993 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5994
5995 /* send 10 Ethernet packets */
5996 for (i = 0; i < 10; i++)
5997 bnx2x_lb_pckt(bp);
5998
5999 /* Wait until NIG register shows 10 + 1
6000 packets of size 11*0x10 = 0xb0 */
6001 count = 1000 * factor;
6002 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006003
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006004 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6005 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006 if (val == 0xb0)
6007 break;
6008
6009 msleep(10);
6010 count--;
6011 }
6012 if (val != 0xb0) {
6013 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6014 return -3;
6015 }
6016
6017 /* Wait until PRS register shows 2 packets */
6018 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6019 if (val != 2)
6020 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6021
6022 /* Write 1 to parser credits for CFC search request */
6023 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6024
6025 /* Wait until PRS register shows 3 packets */
6026 msleep(10 * factor);
6027 /* Wait until NIG register shows 1 packet of size 0x10 */
6028 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6029 if (val != 3)
6030 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6031
6032 /* clear NIG EOP FIFO */
6033 for (i = 0; i < 11; i++)
6034 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6035 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6036 if (val != 1) {
6037 BNX2X_ERR("clear of NIG failed\n");
6038 return -4;
6039 }
6040
6041 /* Reset and init BRB, PRS, NIG */
6042 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6043 msleep(50);
6044 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6045 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006046 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6047 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006048#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006049 /* set NIC mode */
6050 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6051#endif
6052
6053 /* Enable inputs of parser neighbor blocks */
6054 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6055 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6056 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006057 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006058
6059 DP(NETIF_MSG_HW, "done\n");
6060
6061 return 0; /* OK */
6062}
6063
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006064static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006065{
6066 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006067 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006068 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6069 else
6070 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006071 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6072 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006073 /*
6074 * mask read length error interrupts in brb for parser
6075 * (parsing unit and 'checksum and crc' unit)
6076 * these errors are legal (PU reads fixed length and CAC can cause
6077 * read length error on truncated packets)
6078 */
6079 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006080 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6081 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6082 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6083 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6084 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006085/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6086/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006087 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6088 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6089 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006090/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6091/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006092 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6093 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6094 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6095 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006096/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6097/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006099 if (CHIP_REV_IS_FPGA(bp))
6100 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006101 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006102 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6103 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6104 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6105 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6106 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6107 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006108 else
6109 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006110 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6111 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6112 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006113/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006114
6115 if (!CHIP_IS_E1x(bp))
6116 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6117 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6120 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006121/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006122 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006123}
6124
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006125static void bnx2x_reset_common(struct bnx2x *bp)
6126{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006127 u32 val = 0x1400;
6128
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006129 /* reset_common */
6130 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6131 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006132
6133 if (CHIP_IS_E3(bp)) {
6134 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6135 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6136 }
6137
6138 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6139}
6140
6141static void bnx2x_setup_dmae(struct bnx2x *bp)
6142{
6143 bp->dmae_ready = 0;
6144 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006145}
6146
Eilon Greenstein573f2032009-08-12 08:24:14 +00006147static void bnx2x_init_pxp(struct bnx2x *bp)
6148{
6149 u16 devctl;
6150 int r_order, w_order;
6151
6152 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00006153 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006154 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6155 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6156 if (bp->mrrs == -1)
6157 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6158 else {
6159 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6160 r_order = bp->mrrs;
6161 }
6162
6163 bnx2x_init_pxp_arb(bp, r_order, w_order);
6164}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006165
6166static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6167{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006168 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006169 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006170 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006171
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006172 if (BP_NOMCP(bp))
6173 return;
6174
6175 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006176 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6177 SHARED_HW_CFG_FAN_FAILURE_MASK;
6178
6179 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6180 is_required = 1;
6181
6182 /*
6183 * The fan failure mechanism is usually related to the PHY type since
6184 * the power consumption of the board is affected by the PHY. Currently,
6185 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6186 */
6187 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6188 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006189 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006190 bnx2x_fan_failure_det_req(
6191 bp,
6192 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006193 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006194 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006195 }
6196
6197 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6198
6199 if (is_required == 0)
6200 return;
6201
6202 /* Fan failure is indicated by SPIO 5 */
6203 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6204 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6205
6206 /* set to active low mode */
6207 val = REG_RD(bp, MISC_REG_SPIO_INT);
6208 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006209 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006210 REG_WR(bp, MISC_REG_SPIO_INT, val);
6211
6212 /* enable interrupt to signal the IGU */
6213 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6214 val |= (1 << MISC_REGISTERS_SPIO_5);
6215 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6216}
6217
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006218static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6219{
6220 u32 offset = 0;
6221
6222 if (CHIP_IS_E1(bp))
6223 return;
6224 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6225 return;
6226
6227 switch (BP_ABS_FUNC(bp)) {
6228 case 0:
6229 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6230 break;
6231 case 1:
6232 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6233 break;
6234 case 2:
6235 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6236 break;
6237 case 3:
6238 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6239 break;
6240 case 4:
6241 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6242 break;
6243 case 5:
6244 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6245 break;
6246 case 6:
6247 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6248 break;
6249 case 7:
6250 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6251 break;
6252 default:
6253 return;
6254 }
6255
6256 REG_WR(bp, offset, pretend_func_num);
6257 REG_RD(bp, offset);
6258 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6259}
6260
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006261void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006262{
6263 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6264 val &= ~IGU_PF_CONF_FUNC_EN;
6265
6266 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6267 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6268 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6269}
6270
Eric Dumazet1191cb82012-04-27 21:39:21 +00006271static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006272{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006273 u32 shmem_base[2], shmem2_base[2];
6274 shmem_base[0] = bp->common.shmem_base;
6275 shmem2_base[0] = bp->common.shmem2_base;
6276 if (!CHIP_IS_E1x(bp)) {
6277 shmem_base[1] =
6278 SHMEM2_RD(bp, other_shmem_base_addr);
6279 shmem2_base[1] =
6280 SHMEM2_RD(bp, other_shmem2_base_addr);
6281 }
6282 bnx2x_acquire_phy_lock(bp);
6283 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6284 bp->common.chip_id);
6285 bnx2x_release_phy_lock(bp);
6286}
6287
6288/**
6289 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6290 *
6291 * @bp: driver handle
6292 */
6293static int bnx2x_init_hw_common(struct bnx2x *bp)
6294{
6295 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006296
Merav Sicron51c1a582012-03-18 10:33:38 +00006297 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006298
David S. Miller823dcd22011-08-20 10:39:12 -07006299 /*
6300 * take the UNDI lock to protect undi_unload flow from accessing
6301 * registers while we're resetting the chip
6302 */
David S. Miller8decf862011-09-22 03:23:13 -04006303 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006304
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006305 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006306 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006307
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006308 val = 0xfffc;
6309 if (CHIP_IS_E3(bp)) {
6310 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6311 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6312 }
6313 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006314
David S. Miller8decf862011-09-22 03:23:13 -04006315 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006317 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6318
6319 if (!CHIP_IS_E1x(bp)) {
6320 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006321
6322 /**
6323 * 4-port mode or 2-port mode we need to turn of master-enable
6324 * for everyone, after that, turn it back on for self.
6325 * so, we disregard multi-function or not, and always disable
6326 * for all functions on the given path, this means 0,2,4,6 for
6327 * path 0 and 1,3,5,7 for path 1
6328 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006329 for (abs_func_id = BP_PATH(bp);
6330 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6331 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006332 REG_WR(bp,
6333 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6334 1);
6335 continue;
6336 }
6337
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006338 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006339 /* clear pf enable */
6340 bnx2x_pf_disable(bp);
6341 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6342 }
6343 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006344
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006345 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006346 if (CHIP_IS_E1(bp)) {
6347 /* enable HW interrupt from PXP on USDM overflow
6348 bit 16 on INT_MASK_0 */
6349 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006350 }
6351
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006352 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006353 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006354
6355#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006356 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6357 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6358 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6359 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6360 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006361 /* make sure this value is 0 */
6362 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006364/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6365 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6366 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6367 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6368 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006369#endif
6370
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006371 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006373 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6374 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006376 /* let the HW do it's magic ... */
6377 msleep(100);
6378 /* finish PXP init */
6379 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6380 if (val != 1) {
6381 BNX2X_ERR("PXP2 CFG failed\n");
6382 return -EBUSY;
6383 }
6384 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6385 if (val != 1) {
6386 BNX2X_ERR("PXP2 RD_INIT failed\n");
6387 return -EBUSY;
6388 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006389
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006390 /* Timers bug workaround E2 only. We need to set the entire ILT to
6391 * have entries with value "0" and valid bit on.
6392 * This needs to be done by the first PF that is loaded in a path
6393 * (i.e. common phase)
6394 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006395 if (!CHIP_IS_E1x(bp)) {
6396/* In E2 there is a bug in the timers block that can cause function 6 / 7
6397 * (i.e. vnic3) to start even if it is marked as "scan-off".
6398 * This occurs when a different function (func2,3) is being marked
6399 * as "scan-off". Real-life scenario for example: if a driver is being
6400 * load-unloaded while func6,7 are down. This will cause the timer to access
6401 * the ilt, translate to a logical address and send a request to read/write.
6402 * Since the ilt for the function that is down is not valid, this will cause
6403 * a translation error which is unrecoverable.
6404 * The Workaround is intended to make sure that when this happens nothing fatal
6405 * will occur. The workaround:
6406 * 1. First PF driver which loads on a path will:
6407 * a. After taking the chip out of reset, by using pretend,
6408 * it will write "0" to the following registers of
6409 * the other vnics.
6410 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6411 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6412 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6413 * And for itself it will write '1' to
6414 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6415 * dmae-operations (writing to pram for example.)
6416 * note: can be done for only function 6,7 but cleaner this
6417 * way.
6418 * b. Write zero+valid to the entire ILT.
6419 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6420 * VNIC3 (of that port). The range allocated will be the
6421 * entire ILT. This is needed to prevent ILT range error.
6422 * 2. Any PF driver load flow:
6423 * a. ILT update with the physical addresses of the allocated
6424 * logical pages.
6425 * b. Wait 20msec. - note that this timeout is needed to make
6426 * sure there are no requests in one of the PXP internal
6427 * queues with "old" ILT addresses.
6428 * c. PF enable in the PGLC.
6429 * d. Clear the was_error of the PF in the PGLC. (could have
6430 * occured while driver was down)
6431 * e. PF enable in the CFC (WEAK + STRONG)
6432 * f. Timers scan enable
6433 * 3. PF driver unload flow:
6434 * a. Clear the Timers scan_en.
6435 * b. Polling for scan_on=0 for that PF.
6436 * c. Clear the PF enable bit in the PXP.
6437 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6438 * e. Write zero+valid to all ILT entries (The valid bit must
6439 * stay set)
6440 * f. If this is VNIC 3 of a port then also init
6441 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6442 * to the last enrty in the ILT.
6443 *
6444 * Notes:
6445 * Currently the PF error in the PGLC is non recoverable.
6446 * In the future the there will be a recovery routine for this error.
6447 * Currently attention is masked.
6448 * Having an MCP lock on the load/unload process does not guarantee that
6449 * there is no Timer disable during Func6/7 enable. This is because the
6450 * Timers scan is currently being cleared by the MCP on FLR.
6451 * Step 2.d can be done only for PF6/7 and the driver can also check if
6452 * there is error before clearing it. But the flow above is simpler and
6453 * more general.
6454 * All ILT entries are written by zero+valid and not just PF6/7
6455 * ILT entries since in the future the ILT entries allocation for
6456 * PF-s might be dynamic.
6457 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006458 struct ilt_client_info ilt_cli;
6459 struct bnx2x_ilt ilt;
6460 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6461 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6462
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006463 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006464 ilt_cli.start = 0;
6465 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6466 ilt_cli.client_num = ILT_CLIENT_TM;
6467
6468 /* Step 1: set zeroes to all ilt page entries with valid bit on
6469 * Step 2: set the timers first/last ilt entry to point
6470 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006471 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006472 *
6473 * both steps performed by call to bnx2x_ilt_client_init_op()
6474 * with dummy TM client
6475 *
6476 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6477 * and his brother are split registers
6478 */
6479 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6480 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6481 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6482
6483 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6484 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6485 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6486 }
6487
6488
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006489 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6490 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006491
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006492 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006493 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6494 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006495 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006496
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006497 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006498
6499 /* let the HW do it's magic ... */
6500 do {
6501 msleep(200);
6502 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6503 } while (factor-- && (val != 1));
6504
6505 if (val != 1) {
6506 BNX2X_ERR("ATC_INIT failed\n");
6507 return -EBUSY;
6508 }
6509 }
6510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006511 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006513 /* clean the DMAE memory */
6514 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006515 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006516
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006517 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6518
6519 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6520
6521 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6522
6523 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006524
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006525 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6526 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6527 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6528 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6529
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006530 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006531
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006532
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006533 /* QM queues pointers table */
6534 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006535
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006536 /* soft reset pulse */
6537 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6538 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006539
Michael Chan37b091b2009-10-10 13:46:55 +00006540#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006541 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006542#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006543
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006544 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006545 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006546 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006547 /* enable hw interrupt from doorbell Q */
6548 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006549
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006550 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006551
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006552 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006553 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006554
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006555 if (!CHIP_IS_E1(bp))
6556 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6557
Barak Witkowskia3348722012-04-23 03:04:46 +00006558 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6559 if (IS_MF_AFEX(bp)) {
6560 /* configure that VNTag and VLAN headers must be
6561 * received in afex mode
6562 */
6563 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6564 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6565 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6566 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6567 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6568 } else {
6569 /* Bit-map indicating which L2 hdrs may appear
6570 * after the basic Ethernet header
6571 */
6572 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6573 bp->path_has_ovlan ? 7 : 6);
6574 }
6575 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006576
6577 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6578 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6579 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6580 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6581
6582 if (!CHIP_IS_E1x(bp)) {
6583 /* reset VFC memories */
6584 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6585 VFC_MEMORIES_RST_REG_CAM_RST |
6586 VFC_MEMORIES_RST_REG_RAM_RST);
6587 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6588 VFC_MEMORIES_RST_REG_CAM_RST |
6589 VFC_MEMORIES_RST_REG_RAM_RST);
6590
6591 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006592 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006593
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006594 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6595 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6596 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6597 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006598
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006599 /* sync semi rtc */
6600 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6601 0x80000000);
6602 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6603 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006605 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6606 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6607 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006608
Barak Witkowskia3348722012-04-23 03:04:46 +00006609 if (!CHIP_IS_E1x(bp)) {
6610 if (IS_MF_AFEX(bp)) {
6611 /* configure that VNTag and VLAN headers must be
6612 * sent in afex mode
6613 */
6614 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6615 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6616 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6617 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6618 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6619 } else {
6620 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6621 bp->path_has_ovlan ? 7 : 6);
6622 }
6623 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006624
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006625 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006626
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006627 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6628
Michael Chan37b091b2009-10-10 13:46:55 +00006629#ifdef BCM_CNIC
6630 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6631 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6632 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6633 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6634 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6635 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6636 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6637 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6638 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6639 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6640#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006641 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006642
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006643 if (sizeof(union cdu_context) != 1024)
6644 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006645 dev_alert(&bp->pdev->dev,
6646 "please adjust the size of cdu_context(%ld)\n",
6647 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006648
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006649 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006650 val = (4 << 24) + (0 << 12) + 1024;
6651 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006652
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006653 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006654 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006655 /* enable context validation interrupt from CFC */
6656 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6657
6658 /* set the thresholds to prevent CFC/CDU race */
6659 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006660
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006661 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006663 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006664 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6665
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006666 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6667 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006668
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006669 /* Reset PCIE errors for debug */
6670 REG_WR(bp, 0x2814, 0xffffffff);
6671 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006672
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006673 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006674 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6675 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6676 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6677 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6678 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6679 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6680 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6681 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6682 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6683 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6684 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6685 }
6686
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006687 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006688 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006689 /* in E3 this done in per-port section */
6690 if (!CHIP_IS_E3(bp))
6691 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6692 }
6693 if (CHIP_IS_E1H(bp))
6694 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006695 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006696
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006697 if (CHIP_REV_IS_SLOW(bp))
6698 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006699
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006700 /* finish CFC init */
6701 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6702 if (val != 1) {
6703 BNX2X_ERR("CFC LL_INIT failed\n");
6704 return -EBUSY;
6705 }
6706 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6707 if (val != 1) {
6708 BNX2X_ERR("CFC AC_INIT failed\n");
6709 return -EBUSY;
6710 }
6711 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6712 if (val != 1) {
6713 BNX2X_ERR("CFC CAM_INIT failed\n");
6714 return -EBUSY;
6715 }
6716 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006717
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006718 if (CHIP_IS_E1(bp)) {
6719 /* read NIG statistic
6720 to see if this is our first up since powerup */
6721 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6722 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006723
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006724 /* do internal memory self test */
6725 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6726 BNX2X_ERR("internal mem self test failed\n");
6727 return -EBUSY;
6728 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006729 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006730
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006731 bnx2x_setup_fan_failure_detection(bp);
6732
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006733 /* clear PXP2 attentions */
6734 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006735
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006736 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006737 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006738
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006739 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006740 if (CHIP_IS_E1x(bp))
6741 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006742 } else
6743 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6744
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006745 return 0;
6746}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006747
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006748/**
6749 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6750 *
6751 * @bp: driver handle
6752 */
6753static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6754{
6755 int rc = bnx2x_init_hw_common(bp);
6756
6757 if (rc)
6758 return rc;
6759
6760 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6761 if (!BP_NOMCP(bp))
6762 bnx2x__common_init_phy(bp);
6763
6764 return 0;
6765}
6766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006767static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006768{
6769 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006770 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006771 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006772 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006774 bnx2x__link_reset(bp);
6775
Merav Sicron51c1a582012-03-18 10:33:38 +00006776 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006777
6778 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006779
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006780 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6781 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6782 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006783
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006784 /* Timers bug workaround: disables the pf_master bit in pglue at
6785 * common phase, we need to enable it here before any dmae access are
6786 * attempted. Therefore we manually added the enable-master to the
6787 * port phase (it also happens in the function phase)
6788 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006789 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006790 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6791
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006792 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6793 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6794 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6795 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6796
6797 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6798 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6799 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6800 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006801
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006802 /* QM cid (connection) count */
6803 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006804
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006805#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006806 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006807 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6808 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006809#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006810
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006811 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006812
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006813 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006814 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6815
6816 if (IS_MF(bp))
6817 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6818 else if (bp->dev->mtu > 4096) {
6819 if (bp->flags & ONE_PORT_FLAG)
6820 low = 160;
6821 else {
6822 val = bp->dev->mtu;
6823 /* (24*1024 + val*4)/256 */
6824 low = 96 + (val/64) +
6825 ((val % 64) ? 1 : 0);
6826 }
6827 } else
6828 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6829 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006830 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6831 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6832 }
6833
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006834 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006835 REG_WR(bp, (BP_PORT(bp) ?
6836 BRB1_REG_MAC_GUARANTIED_1 :
6837 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006838
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006839
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006840 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006841 if (CHIP_IS_E3B0(bp)) {
6842 if (IS_MF_AFEX(bp)) {
6843 /* configure headers for AFEX mode */
6844 REG_WR(bp, BP_PORT(bp) ?
6845 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6846 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6847 REG_WR(bp, BP_PORT(bp) ?
6848 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6849 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6850 REG_WR(bp, BP_PORT(bp) ?
6851 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6852 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6853 } else {
6854 /* Ovlan exists only if we are in multi-function +
6855 * switch-dependent mode, in switch-independent there
6856 * is no ovlan headers
6857 */
6858 REG_WR(bp, BP_PORT(bp) ?
6859 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6860 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6861 (bp->path_has_ovlan ? 7 : 6));
6862 }
6863 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006864
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006865 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6866 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6867 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6868 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6869
6870 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6871 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6872 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6873 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6874
6875 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6876 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6877
6878 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6879
6880 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006881 /* configure PBF to work without PAUSE mtu 9000 */
6882 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006883
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006884 /* update threshold */
6885 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6886 /* update init credit */
6887 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006888
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006889 /* probe changes */
6890 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6891 udelay(50);
6892 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6893 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006894
Michael Chan37b091b2009-10-10 13:46:55 +00006895#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006896 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006897#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006898 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6899 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006900
6901 if (CHIP_IS_E1(bp)) {
6902 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6903 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6904 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006905 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006906
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006907 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006908
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006909 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006910 /* init aeu_mask_attn_func_0/1:
6911 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6912 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6913 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006914 val = IS_MF(bp) ? 0xF7 : 0x7;
6915 /* Enable DCBX attention for all but E1 */
6916 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6917 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006918
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006919 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006920
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006921 if (!CHIP_IS_E1x(bp)) {
6922 /* Bit-map indicating which L2 hdrs may appear after the
6923 * basic Ethernet header
6924 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006925 if (IS_MF_AFEX(bp))
6926 REG_WR(bp, BP_PORT(bp) ?
6927 NIG_REG_P1_HDRS_AFTER_BASIC :
6928 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6929 else
6930 REG_WR(bp, BP_PORT(bp) ?
6931 NIG_REG_P1_HDRS_AFTER_BASIC :
6932 NIG_REG_P0_HDRS_AFTER_BASIC,
6933 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006934
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006935 if (CHIP_IS_E3(bp))
6936 REG_WR(bp, BP_PORT(bp) ?
6937 NIG_REG_LLH1_MF_MODE :
6938 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6939 }
6940 if (!CHIP_IS_E3(bp))
6941 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006942
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006943 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006944 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006945 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006946 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006947
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006948 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006949 val = 0;
6950 switch (bp->mf_mode) {
6951 case MULTI_FUNCTION_SD:
6952 val = 1;
6953 break;
6954 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006955 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006956 val = 2;
6957 break;
6958 }
6959
6960 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6961 NIG_REG_LLH0_CLS_TYPE), val);
6962 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006963 {
6964 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6965 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6966 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6967 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006968 }
6969
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006970
6971 /* If SPIO5 is set to generate interrupts, enable it for this port */
6972 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6973 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006974 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6975 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6976 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006977 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006978 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006979 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006980
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006981 return 0;
6982}
6983
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006984static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6985{
6986 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006987 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006988
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006989 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006990 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006991 else
6992 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006993
Yuval Mintz32d68de2012-04-03 18:41:24 +00006994 wb_write[0] = ONCHIP_ADDR1(addr);
6995 wb_write[1] = ONCHIP_ADDR2(addr);
6996 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006997}
6998
Eric Dumazet1191cb82012-04-27 21:39:21 +00006999static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
7000 u8 idu_sb_id, bool is_Pf)
7001{
7002 u32 data, ctl, cnt = 100;
7003 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7004 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7005 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7006 u32 sb_bit = 1 << (idu_sb_id%32);
7007 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
7008 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7009
7010 /* Not supported in BC mode */
7011 if (CHIP_INT_MODE_IS_BC(bp))
7012 return;
7013
7014 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7015 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7016 IGU_REGULAR_CLEANUP_SET |
7017 IGU_REGULAR_BCLEANUP;
7018
7019 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7020 func_encode << IGU_CTRL_REG_FID_SHIFT |
7021 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7022
7023 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7024 data, igu_addr_data);
7025 REG_WR(bp, igu_addr_data, data);
7026 mmiowb();
7027 barrier();
7028 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7029 ctl, igu_addr_ctl);
7030 REG_WR(bp, igu_addr_ctl, ctl);
7031 mmiowb();
7032 barrier();
7033
7034 /* wait for clean up to finish */
7035 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7036 msleep(20);
7037
7038
7039 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7040 DP(NETIF_MSG_HW,
7041 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7042 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7043 }
7044}
7045
7046static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007047{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007048 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007049}
7050
Eric Dumazet1191cb82012-04-27 21:39:21 +00007051static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007052{
7053 u32 i, base = FUNC_ILT_BASE(func);
7054 for (i = base; i < base + ILT_PER_FUNC; i++)
7055 bnx2x_ilt_wr(bp, i, 0);
7056}
7057
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007058static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007059{
7060 int port = BP_PORT(bp);
7061 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007062 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007063 struct bnx2x_ilt *ilt = BP_ILT(bp);
7064 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007065 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007066 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007067 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007068
Merav Sicron51c1a582012-03-18 10:33:38 +00007069 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007070
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007071 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007072 if (!CHIP_IS_E1x(bp)) {
7073 rc = bnx2x_pf_flr_clnup(bp);
7074 if (rc)
7075 return rc;
7076 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007077
Eilon Greenstein8badd272009-02-12 08:36:15 +00007078 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007079 if (bp->common.int_block == INT_BLOCK_HC) {
7080 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7081 val = REG_RD(bp, addr);
7082 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7083 REG_WR(bp, addr, val);
7084 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007085
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007086 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7087 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7088
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007089 ilt = BP_ILT(bp);
7090 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007092 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007093 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007094 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007095 bp->context[i].cxt_mapping;
7096 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007097 }
7098 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007099
Michael Chan37b091b2009-10-10 13:46:55 +00007100#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007101 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00007102
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007103 /* T1 hash bits value determines the T1 number of entries */
7104 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00007105#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007106
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007107#ifndef BCM_CNIC
7108 /* set NIC mode */
7109 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7110#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007111
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007112 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007113 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7114
7115 /* Turn on a single ISR mode in IGU if driver is going to use
7116 * INT#x or MSI
7117 */
7118 if (!(bp->flags & USING_MSIX_FLAG))
7119 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7120 /*
7121 * Timers workaround bug: function init part.
7122 * Need to wait 20msec after initializing ILT,
7123 * needed to make sure there are no requests in
7124 * one of the PXP internal queues with "old" ILT addresses
7125 */
7126 msleep(20);
7127 /*
7128 * Master enable - Due to WB DMAE writes performed before this
7129 * register is re-initialized as part of the regular function
7130 * init
7131 */
7132 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7133 /* Enable the function in IGU */
7134 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7135 }
7136
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007137 bp->dmae_ready = 1;
7138
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007139 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007140
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007141 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007142 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7143
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007144 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7145 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7146 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7147 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7148 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7149 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7150 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7151 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7152 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7153 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7154 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7155 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7156 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007157
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007158 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007159 REG_WR(bp, QM_REG_PF_EN, 1);
7160
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007161 if (!CHIP_IS_E1x(bp)) {
7162 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7163 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7164 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7165 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7166 }
7167 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007168
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007169 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7170 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7171 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7172 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7173 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7174 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7175 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7176 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7177 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7178 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7179 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7180 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007181 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7182
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007183 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007184
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007185 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007186
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007187 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007188 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7189
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007190 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007191 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007192 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 }
7194
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007195 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007196
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007197 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007198 if (bp->common.int_block == INT_BLOCK_HC) {
7199 if (CHIP_IS_E1H(bp)) {
7200 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7201
7202 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7203 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7204 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007205 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007206
7207 } else {
7208 int num_segs, sb_idx, prod_offset;
7209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007210 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7211
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007212 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007213 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7214 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7215 }
7216
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007217 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007218
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007219 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007220 int dsb_idx = 0;
7221 /**
7222 * Producer memory:
7223 * E2 mode: address 0-135 match to the mapping memory;
7224 * 136 - PF0 default prod; 137 - PF1 default prod;
7225 * 138 - PF2 default prod; 139 - PF3 default prod;
7226 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7227 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7228 * 144-147 reserved.
7229 *
7230 * E1.5 mode - In backward compatible mode;
7231 * for non default SB; each even line in the memory
7232 * holds the U producer and each odd line hold
7233 * the C producer. The first 128 producers are for
7234 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7235 * producers are for the DSB for each PF.
7236 * Each PF has five segments: (the order inside each
7237 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7238 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7239 * 144-147 attn prods;
7240 */
7241 /* non-default-status-blocks */
7242 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7243 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7244 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7245 prod_offset = (bp->igu_base_sb + sb_idx) *
7246 num_segs;
7247
7248 for (i = 0; i < num_segs; i++) {
7249 addr = IGU_REG_PROD_CONS_MEMORY +
7250 (prod_offset + i) * 4;
7251 REG_WR(bp, addr, 0);
7252 }
7253 /* send consumer update with value 0 */
7254 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7255 USTORM_ID, 0, IGU_INT_NOP, 1);
7256 bnx2x_igu_clear_sb(bp,
7257 bp->igu_base_sb + sb_idx);
7258 }
7259
7260 /* default-status-blocks */
7261 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7262 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7263
7264 if (CHIP_MODE_IS_4_PORT(bp))
7265 dsb_idx = BP_FUNC(bp);
7266 else
David S. Miller8decf862011-09-22 03:23:13 -04007267 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007268
7269 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7270 IGU_BC_BASE_DSB_PROD + dsb_idx :
7271 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7272
David S. Miller8decf862011-09-22 03:23:13 -04007273 /*
7274 * igu prods come in chunks of E1HVN_MAX (4) -
7275 * does not matters what is the current chip mode
7276 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007277 for (i = 0; i < (num_segs * E1HVN_MAX);
7278 i += E1HVN_MAX) {
7279 addr = IGU_REG_PROD_CONS_MEMORY +
7280 (prod_offset + i)*4;
7281 REG_WR(bp, addr, 0);
7282 }
7283 /* send consumer update with 0 */
7284 if (CHIP_INT_MODE_IS_BC(bp)) {
7285 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7286 USTORM_ID, 0, IGU_INT_NOP, 1);
7287 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7288 CSTORM_ID, 0, IGU_INT_NOP, 1);
7289 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7290 XSTORM_ID, 0, IGU_INT_NOP, 1);
7291 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7292 TSTORM_ID, 0, IGU_INT_NOP, 1);
7293 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7294 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7295 } else {
7296 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7297 USTORM_ID, 0, IGU_INT_NOP, 1);
7298 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7299 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7300 }
7301 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7302
7303 /* !!! these should become driver const once
7304 rf-tool supports split-68 const */
7305 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7306 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7307 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7308 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7309 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7310 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7311 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007312 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007313
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007314 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007315 REG_WR(bp, 0x2114, 0xffffffff);
7316 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007317
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007318 if (CHIP_IS_E1x(bp)) {
7319 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7320 main_mem_base = HC_REG_MAIN_MEMORY +
7321 BP_PORT(bp) * (main_mem_size * 4);
7322 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7323 main_mem_width = 8;
7324
7325 val = REG_RD(bp, main_mem_prty_clr);
7326 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007327 DP(NETIF_MSG_HW,
7328 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7329 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007330
7331 /* Clear "false" parity errors in MSI-X table */
7332 for (i = main_mem_base;
7333 i < main_mem_base + main_mem_size * 4;
7334 i += main_mem_width) {
7335 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7336 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7337 i, main_mem_width / 4);
7338 }
7339 /* Clear HC parity attention */
7340 REG_RD(bp, main_mem_prty_clr);
7341 }
7342
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007343#ifdef BNX2X_STOP_ON_ERROR
7344 /* Enable STORMs SP logging */
7345 REG_WR8(bp, BAR_USTRORM_INTMEM +
7346 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7347 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7348 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7349 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7350 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7351 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7352 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7353#endif
7354
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007355 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007356
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007357 return 0;
7358}
7359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007360
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007361void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362{
Merav Sicrona0529972012-06-19 07:48:25 +00007363 int i;
7364
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007365 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007366 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007367 /* end of fastpath */
7368
7369 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007370 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007371
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007372 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7373 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7374
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007375 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007376 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007377
Merav Sicrona0529972012-06-19 07:48:25 +00007378 for (i = 0; i < L2_ILT_LINES(bp); i++)
7379 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7380 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007381 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7382
7383 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007384
Michael Chan37b091b2009-10-10 13:46:55 +00007385#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007386 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007387 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7388 sizeof(struct host_hc_status_block_e2));
7389 else
7390 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7391 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007392
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007393 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007394#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007395
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007396 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007397
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007398 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7399 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007400}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007401
Eric Dumazet1191cb82012-04-27 21:39:21 +00007402static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007403{
7404 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007405 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007406
Barak Witkowski50f0a562011-12-05 21:52:23 +00007407 /* number of queues for statistics is number of eth queues + FCoE */
7408 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007409
7410 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007411 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7412 * num of queues
7413 */
7414 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007415
7416
7417 /* Request is built from stats_query_header and an array of
7418 * stats_query_cmd_group each of which contains
7419 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7420 * configured in the stats_query_header.
7421 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007422 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7423 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007424
7425 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7426 num_groups * sizeof(struct stats_query_cmd_group);
7427
7428 /* Data for statistics requests + stats_conter
7429 *
7430 * stats_counter holds per-STORM counters that are incremented
7431 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007432 *
7433 * memory for FCoE offloaded statistics are counted anyway,
7434 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007435 */
7436 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7437 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007438 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007439 sizeof(struct per_queue_stats) * num_queue_stats +
7440 sizeof(struct stats_counter);
7441
7442 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7443 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7444
7445 /* Set shortcuts */
7446 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7447 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7448
7449 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7450 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7451
7452 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7453 bp->fw_stats_req_sz;
7454 return 0;
7455
7456alloc_mem_err:
7457 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7458 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007459 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007460 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007461}
7462
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007463
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007464int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007465{
Merav Sicrona0529972012-06-19 07:48:25 +00007466 int i, allocated, context_size;
7467
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007468#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007469 if (!CHIP_IS_E1x(bp))
7470 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007471 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7472 sizeof(struct host_hc_status_block_e2));
7473 else
7474 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7475 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007476
7477 /* allocate searcher T2 table */
7478 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7479#endif
7480
7481
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007482 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007483 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007484
7485 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7486 sizeof(struct bnx2x_slowpath));
7487
Mintz Yuval82fa8482012-02-15 02:10:29 +00007488#ifdef BCM_CNIC
7489 /* write address to which L5 should insert its values */
7490 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7491#endif
7492
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007493 /* Allocated memory for FW statistics */
7494 if (bnx2x_alloc_fw_stats_mem(bp))
7495 goto alloc_mem_err;
7496
Merav Sicrona0529972012-06-19 07:48:25 +00007497 /* Allocate memory for CDU context:
7498 * This memory is allocated separately and not in the generic ILT
7499 * functions because CDU differs in few aspects:
7500 * 1. There are multiple entities allocating memory for context -
7501 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7502 * its own ILT lines.
7503 * 2. Since CDU page-size is not a single 4KB page (which is the case
7504 * for the other ILT clients), to be efficient we want to support
7505 * allocation of sub-page-size in the last entry.
7506 * 3. Context pointers are used by the driver to pass to FW / update
7507 * the context (for the other ILT clients the pointers are used just to
7508 * free the memory during unload).
7509 */
7510 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007511
Merav Sicrona0529972012-06-19 07:48:25 +00007512 for (i = 0, allocated = 0; allocated < context_size; i++) {
7513 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7514 (context_size - allocated));
7515 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7516 &bp->context[i].cxt_mapping,
7517 bp->context[i].size);
7518 allocated += bp->context[i].size;
7519 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007520 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007522 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7523 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007524
7525 /* Slow path ring */
7526 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7527
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007528 /* EQ */
7529 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7530 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007531
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007532
7533 /* fastpath */
7534 /* need to be done at the end, since it's self adjusting to amount
7535 * of memory available for RSS queues
7536 */
7537 if (bnx2x_alloc_fp_mem(bp))
7538 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007539 return 0;
7540
7541alloc_mem_err:
7542 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007543 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007544 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007545}
7546
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007547/*
7548 * Init service functions
7549 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007550
7551int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7552 struct bnx2x_vlan_mac_obj *obj, bool set,
7553 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007554{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007555 int rc;
7556 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007557
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007558 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007559
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007560 /* Fill general parameters */
7561 ramrod_param.vlan_mac_obj = obj;
7562 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007564 /* Fill a user request section if needed */
7565 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7566 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007567
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007568 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007569
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007570 /* Set the command: ADD or DEL */
7571 if (set)
7572 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7573 else
7574 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007575 }
7576
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007577 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7578 if (rc < 0)
7579 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7580 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007581}
7582
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007583int bnx2x_del_all_macs(struct bnx2x *bp,
7584 struct bnx2x_vlan_mac_obj *mac_obj,
7585 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007586{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007587 int rc;
7588 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7589
7590 /* Wait for completion of requested */
7591 if (wait_for_comp)
7592 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7593
7594 /* Set the mac type of addresses we want to clear */
7595 __set_bit(mac_type, &vlan_mac_flags);
7596
7597 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7598 if (rc < 0)
7599 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7600
7601 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007602}
7603
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007604int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007605{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007606 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007607
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007608#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +00007609 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7610 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007611 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7612 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007613 return 0;
7614 }
7615#endif
7616
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007617 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007618
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007619 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7620 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007621 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7622 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007623}
7624
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007625int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007626{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007627 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007628}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007629
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007630/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007631 * bnx2x_set_int_mode - configure interrupt mode
7632 *
7633 * @bp: driver handle
7634 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007635 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007636 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +00007637void bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007638{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007639 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007640 case INT_MODE_MSI:
7641 bnx2x_enable_msi(bp);
7642 /* falling through... */
7643 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007644 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Merav Sicron51c1a582012-03-18 10:33:38 +00007645 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007646 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007647 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007648 /* if we can't use MSI-X we only need one fp,
7649 * so try to enable MSI-X with the requested number of fp's
7650 * and fallback to MSI or legacy INTx with one fp
7651 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007652 if (bnx2x_enable_msix(bp) ||
7653 bp->flags & USING_SINGLE_MSIX_FLAG) {
7654 /* failed to enable multiple MSI-X */
7655 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00007656 bp->num_queues, 1 + NON_ETH_CONTEXT_USE);
7657
Ariel Elior6383c0b2011-07-14 08:31:57 +00007658 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007659
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007660 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007661 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7662 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007663 bnx2x_enable_msi(bp);
7664 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007665 break;
7666 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007667}
7668
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007669/* must be called prioir to any HW initializations */
7670static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7671{
7672 return L2_ILT_LINES(bp);
7673}
7674
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007675void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007676{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007677 struct ilt_client_info *ilt_client;
7678 struct bnx2x_ilt *ilt = BP_ILT(bp);
7679 u16 line = 0;
7680
7681 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7682 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7683
7684 /* CDU */
7685 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7686 ilt_client->client_num = ILT_CLIENT_CDU;
7687 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7688 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7689 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007690 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007691#ifdef BCM_CNIC
7692 line += CNIC_ILT_LINES;
7693#endif
7694 ilt_client->end = line - 1;
7695
Merav Sicron51c1a582012-03-18 10:33:38 +00007696 DP(NETIF_MSG_IFUP, "ilt client[CDU]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007697 ilt_client->start,
7698 ilt_client->end,
7699 ilt_client->page_size,
7700 ilt_client->flags,
7701 ilog2(ilt_client->page_size >> 12));
7702
7703 /* QM */
7704 if (QM_INIT(bp->qm_cid_count)) {
7705 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7706 ilt_client->client_num = ILT_CLIENT_QM;
7707 ilt_client->page_size = QM_ILT_PAGE_SZ;
7708 ilt_client->flags = 0;
7709 ilt_client->start = line;
7710
7711 /* 4 bytes for each cid */
7712 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7713 QM_ILT_PAGE_SZ);
7714
7715 ilt_client->end = line - 1;
7716
Merav Sicron51c1a582012-03-18 10:33:38 +00007717 DP(NETIF_MSG_IFUP,
7718 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007719 ilt_client->start,
7720 ilt_client->end,
7721 ilt_client->page_size,
7722 ilt_client->flags,
7723 ilog2(ilt_client->page_size >> 12));
7724
7725 }
7726 /* SRC */
7727 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7728#ifdef BCM_CNIC
7729 ilt_client->client_num = ILT_CLIENT_SRC;
7730 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7731 ilt_client->flags = 0;
7732 ilt_client->start = line;
7733 line += SRC_ILT_LINES;
7734 ilt_client->end = line - 1;
7735
Merav Sicron51c1a582012-03-18 10:33:38 +00007736 DP(NETIF_MSG_IFUP,
7737 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007738 ilt_client->start,
7739 ilt_client->end,
7740 ilt_client->page_size,
7741 ilt_client->flags,
7742 ilog2(ilt_client->page_size >> 12));
7743
7744#else
7745 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7746#endif
7747
7748 /* TM */
7749 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7750#ifdef BCM_CNIC
7751 ilt_client->client_num = ILT_CLIENT_TM;
7752 ilt_client->page_size = TM_ILT_PAGE_SZ;
7753 ilt_client->flags = 0;
7754 ilt_client->start = line;
7755 line += TM_ILT_LINES;
7756 ilt_client->end = line - 1;
7757
Merav Sicron51c1a582012-03-18 10:33:38 +00007758 DP(NETIF_MSG_IFUP,
7759 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007760 ilt_client->start,
7761 ilt_client->end,
7762 ilt_client->page_size,
7763 ilt_client->flags,
7764 ilog2(ilt_client->page_size >> 12));
7765
7766#else
7767 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7768#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007769 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007770}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007771
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007772/**
7773 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7774 *
7775 * @bp: driver handle
7776 * @fp: pointer to fastpath
7777 * @init_params: pointer to parameters structure
7778 *
7779 * parameters configured:
7780 * - HC configuration
7781 * - Queue's CDU context
7782 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007783static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007784 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007785{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007786
7787 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00007788 int cxt_index, cxt_offset;
7789
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007790 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7791 if (!IS_FCOE_FP(fp)) {
7792 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7793 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7794
7795 /* If HC is supporterd, enable host coalescing in the transition
7796 * to INIT state.
7797 */
7798 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7799 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7800
7801 /* HC rate */
7802 init_params->rx.hc_rate = bp->rx_ticks ?
7803 (1000000 / bp->rx_ticks) : 0;
7804 init_params->tx.hc_rate = bp->tx_ticks ?
7805 (1000000 / bp->tx_ticks) : 0;
7806
7807 /* FW SB ID */
7808 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7809 fp->fw_sb_id;
7810
7811 /*
7812 * CQ index among the SB indices: FCoE clients uses the default
7813 * SB, therefore it's different.
7814 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007815 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7816 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007817 }
7818
Ariel Elior6383c0b2011-07-14 08:31:57 +00007819 /* set maximum number of COSs supported by this queue */
7820 init_params->max_cos = fp->max_cos;
7821
Merav Sicron51c1a582012-03-18 10:33:38 +00007822 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007823 fp->index, init_params->max_cos);
7824
7825 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00007826 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00007827 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
7828 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00007829 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007830 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00007831 &bp->context[cxt_index].vcxt[cxt_offset].eth;
7832 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007833}
7834
Ariel Elior6383c0b2011-07-14 08:31:57 +00007835int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7836 struct bnx2x_queue_state_params *q_params,
7837 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7838 int tx_index, bool leading)
7839{
7840 memset(tx_only_params, 0, sizeof(*tx_only_params));
7841
7842 /* Set the command */
7843 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7844
7845 /* Set tx-only QUEUE flags: don't zero statistics */
7846 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7847
7848 /* choose the index of the cid to send the slow path on */
7849 tx_only_params->cid_index = tx_index;
7850
7851 /* Set general TX_ONLY_SETUP parameters */
7852 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7853
7854 /* Set Tx TX_ONLY_SETUP parameters */
7855 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7856
Merav Sicron51c1a582012-03-18 10:33:38 +00007857 DP(NETIF_MSG_IFUP,
7858 "preparing to send tx-only ramrod for connection: cos %d, primary cid %d, cid %d, client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007859 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7860 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7861 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7862
7863 /* send the ramrod */
7864 return bnx2x_queue_state_change(bp, q_params);
7865}
7866
7867
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007868/**
7869 * bnx2x_setup_queue - setup queue
7870 *
7871 * @bp: driver handle
7872 * @fp: pointer to fastpath
7873 * @leading: is leading
7874 *
7875 * This function performs 2 steps in a Queue state machine
7876 * actually: 1) RESET->INIT 2) INIT->SETUP
7877 */
7878
7879int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7880 bool leading)
7881{
Yuval Mintz3b603062012-03-18 10:33:39 +00007882 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007883 struct bnx2x_queue_setup_params *setup_params =
7884 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007885 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7886 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007887 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007888 u8 tx_index;
7889
Merav Sicron51c1a582012-03-18 10:33:38 +00007890 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007891
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007892 /* reset IGU state skip FCoE L2 queue */
7893 if (!IS_FCOE_FP(fp))
7894 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007895 IGU_INT_ENABLE, 0);
7896
Barak Witkowski15192a82012-06-19 07:48:28 +00007897 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007898 /* We want to wait for completion in this context */
7899 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007900
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007901 /* Prepare the INIT parameters */
7902 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007903
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007904 /* Set the command */
7905 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007906
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007907 /* Change the state to INIT */
7908 rc = bnx2x_queue_state_change(bp, &q_params);
7909 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007910 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007911 return rc;
7912 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007913
Merav Sicron51c1a582012-03-18 10:33:38 +00007914 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007915
7916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007917 /* Now move the Queue to the SETUP state... */
7918 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007919
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007920 /* Set QUEUE flags */
7921 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007922
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007923 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007924 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7925 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007926
Ariel Elior6383c0b2011-07-14 08:31:57 +00007927 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007928 &setup_params->rxq_params);
7929
Ariel Elior6383c0b2011-07-14 08:31:57 +00007930 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7931 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007932
7933 /* Set the command */
7934 q_params.cmd = BNX2X_Q_CMD_SETUP;
7935
7936 /* Change the state to SETUP */
7937 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007938 if (rc) {
7939 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7940 return rc;
7941 }
7942
7943 /* loop through the relevant tx-only indices */
7944 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7945 tx_index < fp->max_cos;
7946 tx_index++) {
7947
7948 /* prepare and send tx-only ramrod*/
7949 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7950 tx_only_params, tx_index, leading);
7951 if (rc) {
7952 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7953 fp->index, tx_index);
7954 return rc;
7955 }
7956 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007957
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007958 return rc;
7959}
7960
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007961static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007962{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007963 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007964 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00007965 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007966 int rc, tx_index;
7967
Merav Sicron51c1a582012-03-18 10:33:38 +00007968 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007969
Barak Witkowski15192a82012-06-19 07:48:28 +00007970 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007971 /* We want to wait for completion in this context */
7972 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007973
Ariel Elior6383c0b2011-07-14 08:31:57 +00007974
7975 /* close tx-only connections */
7976 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7977 tx_index < fp->max_cos;
7978 tx_index++){
7979
7980 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00007981 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007982
Merav Sicron51c1a582012-03-18 10:33:38 +00007983 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007984 txdata->txq_index);
7985
7986 /* send halt terminate on tx-only connection */
7987 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7988 memset(&q_params.params.terminate, 0,
7989 sizeof(q_params.params.terminate));
7990 q_params.params.terminate.cid_index = tx_index;
7991
7992 rc = bnx2x_queue_state_change(bp, &q_params);
7993 if (rc)
7994 return rc;
7995
7996 /* send halt terminate on tx-only connection */
7997 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7998 memset(&q_params.params.cfc_del, 0,
7999 sizeof(q_params.params.cfc_del));
8000 q_params.params.cfc_del.cid_index = tx_index;
8001 rc = bnx2x_queue_state_change(bp, &q_params);
8002 if (rc)
8003 return rc;
8004 }
8005 /* Stop the primary connection: */
8006 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008007 q_params.cmd = BNX2X_Q_CMD_HALT;
8008 rc = bnx2x_queue_state_change(bp, &q_params);
8009 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008010 return rc;
8011
Ariel Elior6383c0b2011-07-14 08:31:57 +00008012 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008013 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008014 memset(&q_params.params.terminate, 0,
8015 sizeof(q_params.params.terminate));
8016 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008017 rc = bnx2x_queue_state_change(bp, &q_params);
8018 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008019 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008020 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008021 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008022 memset(&q_params.params.cfc_del, 0,
8023 sizeof(q_params.params.cfc_del));
8024 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008025 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008026}
8027
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008028
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008029static void bnx2x_reset_func(struct bnx2x *bp)
8030{
8031 int port = BP_PORT(bp);
8032 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008033 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008034
8035 /* Disable the function in the FW */
8036 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8037 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8038 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8039 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8040
8041 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008042 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008043 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008044 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008045 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8046 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008047 }
8048
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008049#ifdef BCM_CNIC
8050 /* CNIC SB */
8051 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8052 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
8053 SB_DISABLED);
8054#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008055 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008056 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008057 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8058 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008059
8060 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8061 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8062 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008063
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008064 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008065 if (bp->common.int_block == INT_BLOCK_HC) {
8066 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8067 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8068 } else {
8069 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8070 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8071 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008072
Michael Chan37b091b2009-10-10 13:46:55 +00008073#ifdef BCM_CNIC
8074 /* Disable Timer scan */
8075 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8076 /*
8077 * Wait for at least 10ms and up to 2 second for the timers scan to
8078 * complete
8079 */
8080 for (i = 0; i < 200; i++) {
8081 msleep(10);
8082 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8083 break;
8084 }
8085#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008086 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008087 bnx2x_clear_func_ilt(bp, func);
8088
8089 /* Timers workaround bug for E2: if this is vnic-3,
8090 * we need to set the entire ilt range for this timers.
8091 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008092 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008093 struct ilt_client_info ilt_cli;
8094 /* use dummy TM client */
8095 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8096 ilt_cli.start = 0;
8097 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8098 ilt_cli.client_num = ILT_CLIENT_TM;
8099
8100 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8101 }
8102
8103 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008104 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008105 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008106
8107 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008108}
8109
8110static void bnx2x_reset_port(struct bnx2x *bp)
8111{
8112 int port = BP_PORT(bp);
8113 u32 val;
8114
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008115 /* Reset physical Link */
8116 bnx2x__link_reset(bp);
8117
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008118 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8119
8120 /* Do not rcv packets to BRB */
8121 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8122 /* Do not direct rcv packets that are not for MCP to the BRB */
8123 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8124 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8125
8126 /* Configure AEU */
8127 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8128
8129 msleep(100);
8130 /* Check for BRB port occupancy */
8131 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8132 if (val)
8133 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008134 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008135
8136 /* TODO: Close Doorbell port? */
8137}
8138
Eric Dumazet1191cb82012-04-27 21:39:21 +00008139static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008140{
Yuval Mintz3b603062012-03-18 10:33:39 +00008141 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008142
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008143 /* Prepare parameters for function state transitions */
8144 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008146 func_params.f_obj = &bp->func_obj;
8147 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008148
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008149 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008150
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008151 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008152}
8153
Eric Dumazet1191cb82012-04-27 21:39:21 +00008154static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008155{
Yuval Mintz3b603062012-03-18 10:33:39 +00008156 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008157 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008158
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008159 /* Prepare parameters for function state transitions */
8160 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8161 func_params.f_obj = &bp->func_obj;
8162 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008163
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008164 /*
8165 * Try to stop the function the 'good way'. If fails (in case
8166 * of a parity error during bnx2x_chip_cleanup()) and we are
8167 * not in a debug mode, perform a state transaction in order to
8168 * enable further HW_RESET transaction.
8169 */
8170 rc = bnx2x_func_state_change(bp, &func_params);
8171 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008172#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008173 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008174#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008175 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008176 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8177 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008178#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008179 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008180
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008181 return 0;
8182}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008183
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008184/**
8185 * bnx2x_send_unload_req - request unload mode from the MCP.
8186 *
8187 * @bp: driver handle
8188 * @unload_mode: requested function's unload mode
8189 *
8190 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8191 */
8192u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8193{
8194 u32 reset_code = 0;
8195 int port = BP_PORT(bp);
8196
8197 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008198 if (unload_mode == UNLOAD_NORMAL)
8199 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008200
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008201 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008202 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008203
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008204 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008205 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008206 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008207 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008208 u16 pmc;
8209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008210 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008211 * preserve entry 0 which is used by the PMF
8212 */
David S. Miller8decf862011-09-22 03:23:13 -04008213 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008214
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008216 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008217
8218 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8219 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008220 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008221
David S. Miller88c51002011-10-07 13:38:43 -04008222 /* Enable the PME and clear the status */
8223 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8224 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8225 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8226
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008227 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008228
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008229 } else
8230 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8231
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008232 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008233 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008234 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008235 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008236 int path = BP_PATH(bp);
8237
Merav Sicron51c1a582012-03-18 10:33:38 +00008238 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008239 path, load_count[path][0], load_count[path][1],
8240 load_count[path][2]);
8241 load_count[path][0]--;
8242 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008243 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008244 path, load_count[path][0], load_count[path][1],
8245 load_count[path][2]);
8246 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008247 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008248 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008249 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8250 else
8251 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8252 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008253
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008254 return reset_code;
8255}
8256
8257/**
8258 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8259 *
8260 * @bp: driver handle
8261 */
8262void bnx2x_send_unload_done(struct bnx2x *bp)
8263{
8264 /* Report UNLOAD_DONE to MCP */
8265 if (!BP_NOMCP(bp))
8266 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8267}
8268
Eric Dumazet1191cb82012-04-27 21:39:21 +00008269static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008270{
8271 int tout = 50;
8272 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8273
8274 if (!bp->port.pmf)
8275 return 0;
8276
8277 /*
8278 * (assumption: No Attention from MCP at this stage)
8279 * PMF probably in the middle of TXdisable/enable transaction
8280 * 1. Sync IRS for default SB
8281 * 2. Sync SP queue - this guarantes us that attention handling started
8282 * 3. Wait, that TXdisable/enable transaction completes
8283 *
8284 * 1+2 guranty that if DCBx attention was scheduled it already changed
8285 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8286 * received complettion for the transaction the state is TX_STOPPED.
8287 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8288 * transaction.
8289 */
8290
8291 /* make sure default SB ISR is done */
8292 if (msix)
8293 synchronize_irq(bp->msix_table[0].vector);
8294 else
8295 synchronize_irq(bp->pdev->irq);
8296
8297 flush_workqueue(bnx2x_wq);
8298
8299 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8300 BNX2X_F_STATE_STARTED && tout--)
8301 msleep(20);
8302
8303 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8304 BNX2X_F_STATE_STARTED) {
8305#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008306 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008307 return -EBUSY;
8308#else
8309 /*
8310 * Failed to complete the transaction in a "good way"
8311 * Force both transactions with CLR bit
8312 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008313 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008314
Merav Sicron51c1a582012-03-18 10:33:38 +00008315 DP(NETIF_MSG_IFDOWN,
8316 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008317
8318 func_params.f_obj = &bp->func_obj;
8319 __set_bit(RAMROD_DRV_CLR_ONLY,
8320 &func_params.ramrod_flags);
8321
8322 /* STARTED-->TX_ST0PPED */
8323 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8324 bnx2x_func_state_change(bp, &func_params);
8325
8326 /* TX_ST0PPED-->STARTED */
8327 func_params.cmd = BNX2X_F_CMD_TX_START;
8328 return bnx2x_func_state_change(bp, &func_params);
8329#endif
8330 }
8331
8332 return 0;
8333}
8334
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008335void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
8336{
8337 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008338 int i, rc = 0;
8339 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008340 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008341 u32 reset_code;
8342
8343 /* Wait until tx fastpath tasks complete */
8344 for_each_tx_queue(bp, i) {
8345 struct bnx2x_fastpath *fp = &bp->fp[i];
8346
Ariel Elior6383c0b2011-07-14 08:31:57 +00008347 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008348 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008349#ifdef BNX2X_STOP_ON_ERROR
8350 if (rc)
8351 return;
8352#endif
8353 }
8354
8355 /* Give HW time to discard old tx messages */
8356 usleep_range(1000, 1000);
8357
8358 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008359 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8360 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008361 if (rc < 0)
8362 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8363
8364 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008365 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008366 true);
8367 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008368 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8369 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008370
8371 /* Disable LLH */
8372 if (!CHIP_IS_E1(bp))
8373 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8374
8375 /* Set "drop all" (stop Rx).
8376 * We need to take a netif_addr_lock() here in order to prevent
8377 * a race between the completion code and this code.
8378 */
8379 netif_addr_lock_bh(bp->dev);
8380 /* Schedule the rx_mode command */
8381 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8382 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8383 else
8384 bnx2x_set_storm_rx_mode(bp);
8385
8386 /* Cleanup multicast configuration */
8387 rparam.mcast_obj = &bp->mcast_obj;
8388 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8389 if (rc < 0)
8390 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8391
8392 netif_addr_unlock_bh(bp->dev);
8393
8394
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008395
8396 /*
8397 * Send the UNLOAD_REQUEST to the MCP. This will return if
8398 * this function should perform FUNC, PORT or COMMON HW
8399 * reset.
8400 */
8401 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8402
8403 /*
8404 * (assumption: No Attention from MCP at this stage)
8405 * PMF probably in the middle of TXdisable/enable transaction
8406 */
8407 rc = bnx2x_func_wait_started(bp);
8408 if (rc) {
8409 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8410#ifdef BNX2X_STOP_ON_ERROR
8411 return;
8412#endif
8413 }
8414
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008415 /* Close multi and leading connections
8416 * Completions for ramrods are collected in a synchronous way
8417 */
8418 for_each_queue(bp, i)
8419 if (bnx2x_stop_queue(bp, i))
8420#ifdef BNX2X_STOP_ON_ERROR
8421 return;
8422#else
8423 goto unload_error;
8424#endif
8425 /* If SP settings didn't get completed so far - something
8426 * very wrong has happen.
8427 */
8428 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8429 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8430
8431#ifndef BNX2X_STOP_ON_ERROR
8432unload_error:
8433#endif
8434 rc = bnx2x_func_stop(bp);
8435 if (rc) {
8436 BNX2X_ERR("Function stop failed!\n");
8437#ifdef BNX2X_STOP_ON_ERROR
8438 return;
8439#endif
8440 }
8441
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008442 /* Disable HW interrupts, NAPI */
8443 bnx2x_netif_stop(bp, 1);
8444
8445 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008446 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008447
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008448 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008449 rc = bnx2x_reset_hw(bp, reset_code);
8450 if (rc)
8451 BNX2X_ERR("HW_RESET failed\n");
8452
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008453
8454 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008455 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008456}
8457
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008458void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008459{
8460 u32 val;
8461
Merav Sicron51c1a582012-03-18 10:33:38 +00008462 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008463
8464 if (CHIP_IS_E1(bp)) {
8465 int port = BP_PORT(bp);
8466 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8467 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8468
8469 val = REG_RD(bp, addr);
8470 val &= ~(0x300);
8471 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008472 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008473 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8474 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8475 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8476 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8477 }
8478}
8479
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008480/* Close gates #2, #3 and #4: */
8481static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8482{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008483 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008484
8485 /* Gates #2 and #4a are closed/opened for "not E1" only */
8486 if (!CHIP_IS_E1(bp)) {
8487 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008488 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008489 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008490 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008491 }
8492
8493 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008494 if (CHIP_IS_E1x(bp)) {
8495 /* Prevent interrupts from HC on both ports */
8496 val = REG_RD(bp, HC_REG_CONFIG_1);
8497 REG_WR(bp, HC_REG_CONFIG_1,
8498 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8499 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8500
8501 val = REG_RD(bp, HC_REG_CONFIG_0);
8502 REG_WR(bp, HC_REG_CONFIG_0,
8503 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8504 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8505 } else {
8506 /* Prevent incomming interrupts in IGU */
8507 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8508
8509 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8510 (!close) ?
8511 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8512 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8513 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008514
Merav Sicron51c1a582012-03-18 10:33:38 +00008515 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008516 close ? "closing" : "opening");
8517 mmiowb();
8518}
8519
8520#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8521
8522static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8523{
8524 /* Do some magic... */
8525 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8526 *magic_val = val & SHARED_MF_CLP_MAGIC;
8527 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8528}
8529
Dmitry Kravkove8920672011-05-04 23:52:40 +00008530/**
8531 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008532 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008533 * @bp: driver handle
8534 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008535 */
8536static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8537{
8538 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008539 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8540 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8541 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8542}
8543
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008544/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008545 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008546 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008547 * @bp: driver handle
8548 * @magic_val: old value of 'magic' bit.
8549 *
8550 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008551 */
8552static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8553{
8554 u32 shmem;
8555 u32 validity_offset;
8556
Merav Sicron51c1a582012-03-18 10:33:38 +00008557 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008558
8559 /* Set `magic' bit in order to save MF config */
8560 if (!CHIP_IS_E1(bp))
8561 bnx2x_clp_reset_prep(bp, magic_val);
8562
8563 /* Get shmem offset */
8564 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8565 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8566
8567 /* Clear validity map flags */
8568 if (shmem > 0)
8569 REG_WR(bp, shmem + validity_offset, 0);
8570}
8571
8572#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8573#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8574
Dmitry Kravkove8920672011-05-04 23:52:40 +00008575/**
8576 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008577 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008578 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008579 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008580static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008581{
8582 /* special handling for emulation and FPGA,
8583 wait 10 times longer */
8584 if (CHIP_REV_IS_SLOW(bp))
8585 msleep(MCP_ONE_TIMEOUT*10);
8586 else
8587 msleep(MCP_ONE_TIMEOUT);
8588}
8589
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008590/*
8591 * initializes bp->common.shmem_base and waits for validity signature to appear
8592 */
8593static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008594{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008595 int cnt = 0;
8596 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008597
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008598 do {
8599 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8600 if (bp->common.shmem_base) {
8601 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8602 if (val & SHR_MEM_VALIDITY_MB)
8603 return 0;
8604 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008605
8606 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008607
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008608 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008609
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008610 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008611
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008612 return -ENODEV;
8613}
8614
8615static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8616{
8617 int rc = bnx2x_init_shmem(bp);
8618
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008619 /* Restore the `magic' bit value */
8620 if (!CHIP_IS_E1(bp))
8621 bnx2x_clp_reset_done(bp, magic_val);
8622
8623 return rc;
8624}
8625
8626static void bnx2x_pxp_prep(struct bnx2x *bp)
8627{
8628 if (!CHIP_IS_E1(bp)) {
8629 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8630 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008631 mmiowb();
8632 }
8633}
8634
8635/*
8636 * Reset the whole chip except for:
8637 * - PCIE core
8638 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8639 * one reset bit)
8640 * - IGU
8641 * - MISC (including AEU)
8642 * - GRC
8643 * - RBCN, RBCP
8644 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008645static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008646{
8647 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008648 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008649
8650 /*
8651 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8652 * (per chip) blocks.
8653 */
8654 global_bits2 =
8655 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8656 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008657
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008658 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008659 not_reset_mask1 =
8660 MISC_REGISTERS_RESET_REG_1_RST_HC |
8661 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8662 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8663
8664 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008665 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008666 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8667 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8668 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8669 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8670 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8671 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008672 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8673 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8674 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008675
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008676 /*
8677 * Keep the following blocks in reset:
8678 * - all xxMACs are handled by the bnx2x_link code.
8679 */
8680 stay_reset2 =
8681 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8682 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8683 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8684 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8685 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8686 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8687 MISC_REGISTERS_RESET_REG_2_XMAC |
8688 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8689
8690 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008691 reset_mask1 = 0xffffffff;
8692
8693 if (CHIP_IS_E1(bp))
8694 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008695 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008696 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008697 else if (CHIP_IS_E2(bp))
8698 reset_mask2 = 0xfffff;
8699 else /* CHIP_IS_E3 */
8700 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008701
8702 /* Don't reset global blocks unless we need to */
8703 if (!global)
8704 reset_mask2 &= ~global_bits2;
8705
8706 /*
8707 * In case of attention in the QM, we need to reset PXP
8708 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8709 * because otherwise QM reset would release 'close the gates' shortly
8710 * before resetting the PXP, then the PSWRQ would send a write
8711 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8712 * read the payload data from PSWWR, but PSWWR would not
8713 * respond. The write queue in PGLUE would stuck, dmae commands
8714 * would not return. Therefore it's important to reset the second
8715 * reset register (containing the
8716 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8717 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8718 * bit).
8719 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008720 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8721 reset_mask2 & (~not_reset_mask2));
8722
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008723 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8724 reset_mask1 & (~not_reset_mask1));
8725
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008726 barrier();
8727 mmiowb();
8728
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008729 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8730 reset_mask2 & (~stay_reset2));
8731
8732 barrier();
8733 mmiowb();
8734
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008735 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008736 mmiowb();
8737}
8738
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008739/**
8740 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8741 * It should get cleared in no more than 1s.
8742 *
8743 * @bp: driver handle
8744 *
8745 * It should get cleared in no more than 1s. Returns 0 if
8746 * pending writes bit gets cleared.
8747 */
8748static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8749{
8750 u32 cnt = 1000;
8751 u32 pend_bits = 0;
8752
8753 do {
8754 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8755
8756 if (pend_bits == 0)
8757 break;
8758
8759 usleep_range(1000, 1000);
8760 } while (cnt-- > 0);
8761
8762 if (cnt <= 0) {
8763 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8764 pend_bits);
8765 return -EBUSY;
8766 }
8767
8768 return 0;
8769}
8770
8771static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008772{
8773 int cnt = 1000;
8774 u32 val = 0;
8775 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8776
8777
8778 /* Empty the Tetris buffer, wait for 1s */
8779 do {
8780 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8781 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8782 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8783 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8784 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8785 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8786 ((port_is_idle_0 & 0x1) == 0x1) &&
8787 ((port_is_idle_1 & 0x1) == 0x1) &&
8788 (pgl_exp_rom2 == 0xffffffff))
8789 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008790 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008791 } while (cnt-- > 0);
8792
8793 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008794 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8795 BNX2X_ERR("sr_cnt=0x%08x, blk_cnt=0x%08x, port_is_idle_0=0x%08x, port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008796 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8797 pgl_exp_rom2);
8798 return -EAGAIN;
8799 }
8800
8801 barrier();
8802
8803 /* Close gates #2, #3 and #4 */
8804 bnx2x_set_234_gates(bp, true);
8805
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008806 /* Poll for IGU VQs for 57712 and newer chips */
8807 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8808 return -EAGAIN;
8809
8810
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008811 /* TBD: Indicate that "process kill" is in progress to MCP */
8812
8813 /* Clear "unprepared" bit */
8814 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8815 barrier();
8816
8817 /* Make sure all is written to the chip before the reset */
8818 mmiowb();
8819
8820 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8821 * PSWHST, GRC and PSWRD Tetris buffer.
8822 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008823 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008824
8825 /* Prepare to chip reset: */
8826 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008827 if (global)
8828 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008829
8830 /* PXP */
8831 bnx2x_pxp_prep(bp);
8832 barrier();
8833
8834 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008835 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008836 barrier();
8837
8838 /* Recover after reset: */
8839 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008840 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008841 return -EAGAIN;
8842
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008843 /* TBD: Add resetting the NO_MCP mode DB here */
8844
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008845 /* PXP */
8846 bnx2x_pxp_prep(bp);
8847
8848 /* Open the gates #2, #3 and #4 */
8849 bnx2x_set_234_gates(bp, false);
8850
8851 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8852 * reset state, re-enable attentions. */
8853
8854 return 0;
8855}
8856
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008857int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008858{
8859 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008860 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008861 u32 load_code;
8862
8863 /* if not going to reset MCP - load "fake" driver to reset HW while
8864 * driver is owner of the HW
8865 */
8866 if (!global && !BP_NOMCP(bp)) {
8867 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8868 if (!load_code) {
8869 BNX2X_ERR("MCP response failure, aborting\n");
8870 rc = -EAGAIN;
8871 goto exit_leader_reset;
8872 }
8873 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8874 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8875 BNX2X_ERR("MCP unexpected resp, aborting\n");
8876 rc = -EAGAIN;
8877 goto exit_leader_reset2;
8878 }
8879 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8880 if (!load_code) {
8881 BNX2X_ERR("MCP response failure, aborting\n");
8882 rc = -EAGAIN;
8883 goto exit_leader_reset2;
8884 }
8885 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008886
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008887 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008888 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008889 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
8890 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008891 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008892 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008893 }
8894
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008895 /*
8896 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8897 * state.
8898 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008899 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008900 if (global)
8901 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008902
Ariel Elior95c6c6162012-01-26 06:01:52 +00008903exit_leader_reset2:
8904 /* unload "fake driver" if it was loaded */
8905 if (!global && !BP_NOMCP(bp)) {
8906 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8907 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8908 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008909exit_leader_reset:
8910 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008911 bnx2x_release_leader_lock(bp);
8912 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008913 return rc;
8914}
8915
Eric Dumazet1191cb82012-04-27 21:39:21 +00008916static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008917{
8918 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8919
8920 /* Disconnect this device */
8921 netif_device_detach(bp->dev);
8922
8923 /*
8924 * Block ifup for all function on this engine until "process kill"
8925 * or power cycle.
8926 */
8927 bnx2x_set_reset_in_progress(bp);
8928
8929 /* Shut down the power */
8930 bnx2x_set_power_state(bp, PCI_D3hot);
8931
8932 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8933
8934 smp_mb();
8935}
8936
8937/*
8938 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008939 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008940 * will never be called when netif_running(bp->dev) is false.
8941 */
8942static void bnx2x_parity_recover(struct bnx2x *bp)
8943{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008944 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008945 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008946 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008947
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008948 DP(NETIF_MSG_HW, "Handling parity\n");
8949 while (1) {
8950 switch (bp->recovery_state) {
8951 case BNX2X_RECOVERY_INIT:
8952 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008953 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8954 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008955
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008956 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008957 if (bnx2x_trylock_leader_lock(bp)) {
8958 bnx2x_set_reset_in_progress(bp);
8959 /*
8960 * Check if there is a global attention and if
8961 * there was a global attention, set the global
8962 * reset bit.
8963 */
8964
8965 if (global)
8966 bnx2x_set_reset_global(bp);
8967
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008968 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008969 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008970
8971 /* Stop the driver */
8972 /* If interface has been removed - break */
8973 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8974 return;
8975
8976 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008977
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008978 /* Ensure "is_leader", MCP command sequence and
8979 * "recovery_state" update values are seen on other
8980 * CPUs.
8981 */
8982 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008983 break;
8984
8985 case BNX2X_RECOVERY_WAIT:
8986 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8987 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008988 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008989 bool other_load_status =
8990 bnx2x_get_load_status(bp, other_engine);
8991 bool load_status =
8992 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008993 global = bnx2x_reset_is_global(bp);
8994
8995 /*
8996 * In case of a parity in a global block, let
8997 * the first leader that performs a
8998 * leader_reset() reset the global blocks in
8999 * order to clear global attentions. Otherwise
9000 * the the gates will remain closed for that
9001 * engine.
9002 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009003 if (load_status ||
9004 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009005 /* Wait until all other functions get
9006 * down.
9007 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009008 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009009 HZ/10);
9010 return;
9011 } else {
9012 /* If all other functions got down -
9013 * try to bring the chip back to
9014 * normal. In any case it's an exit
9015 * point for a leader.
9016 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009017 if (bnx2x_leader_reset(bp)) {
9018 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009019 return;
9020 }
9021
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009022 /* If we are here, means that the
9023 * leader has succeeded and doesn't
9024 * want to be a leader any more. Try
9025 * to continue as a none-leader.
9026 */
9027 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009028 }
9029 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009030 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009031 /* Try to get a LEADER_LOCK HW lock as
9032 * long as a former leader may have
9033 * been unloaded by the user or
9034 * released a leadership by another
9035 * reason.
9036 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009037 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009038 /* I'm a leader now! Restart a
9039 * switch case.
9040 */
9041 bp->is_leader = 1;
9042 break;
9043 }
9044
Ariel Elior7be08a72011-07-14 08:31:19 +00009045 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009046 HZ/10);
9047 return;
9048
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009049 } else {
9050 /*
9051 * If there was a global attention, wait
9052 * for it to be cleared.
9053 */
9054 if (bnx2x_reset_is_global(bp)) {
9055 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009056 &bp->sp_rtnl_task,
9057 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009058 return;
9059 }
9060
Ariel Elior7a752992012-01-26 06:01:53 +00009061 error_recovered =
9062 bp->eth_stats.recoverable_error;
9063 error_unrecovered =
9064 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009065 bp->recovery_state =
9066 BNX2X_RECOVERY_NIC_LOADING;
9067 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009068 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009069 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009070 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009071 /* Disconnect this device */
9072 netif_device_detach(bp->dev);
9073 /* Shut down the power */
9074 bnx2x_set_power_state(
9075 bp, PCI_D3hot);
9076 smp_mb();
9077 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009078 bp->recovery_state =
9079 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009080 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009081 smp_mb();
9082 }
Ariel Elior7a752992012-01-26 06:01:53 +00009083 bp->eth_stats.recoverable_error =
9084 error_recovered;
9085 bp->eth_stats.unrecoverable_error =
9086 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009087
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009088 return;
9089 }
9090 }
9091 default:
9092 return;
9093 }
9094 }
9095}
9096
Michal Schmidt56ad3152012-02-16 02:38:48 +00009097static int bnx2x_close(struct net_device *dev);
9098
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009099/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9100 * scheduled on a general queue in order to prevent a dead lock.
9101 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009102static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009103{
Ariel Elior7be08a72011-07-14 08:31:19 +00009104 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009105
9106 rtnl_lock();
9107
9108 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009109 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009110
Ariel Elior7be08a72011-07-14 08:31:19 +00009111 /* if stop on error is defined no recovery flows should be executed */
9112#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009113 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
Ariel Elior7be08a72011-07-14 08:31:19 +00009114 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009115 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009116#endif
9117
9118 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9119 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009120 * Clear all pending SP commands as we are going to reset the
9121 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009122 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009123 bp->sp_rtnl_state = 0;
9124 smp_mb();
9125
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009126 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009127
9128 goto sp_rtnl_exit;
9129 }
9130
9131 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9132 /*
9133 * Clear all pending SP commands as we are going to reset the
9134 * function anyway.
9135 */
9136 bp->sp_rtnl_state = 0;
9137 smp_mb();
9138
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009139 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9140 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009141
9142 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009143 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009144#ifdef BNX2X_STOP_ON_ERROR
9145sp_rtnl_not_reset:
9146#endif
9147 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9148 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009149 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9150 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009151 /*
9152 * in case of fan failure we need to reset id if the "stop on error"
9153 * debug flag is set, since we trying to prevent permanent overheating
9154 * damage
9155 */
9156 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009157 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009158 netif_device_detach(bp->dev);
9159 bnx2x_close(bp->dev);
9160 }
9161
Ariel Elior7be08a72011-07-14 08:31:19 +00009162sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009163 rtnl_unlock();
9164}
9165
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009166/* end of nic load/unload */
9167
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009168static void bnx2x_period_task(struct work_struct *work)
9169{
9170 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9171
9172 if (!netif_running(bp->dev))
9173 goto period_task_exit;
9174
9175 if (CHIP_REV_IS_SLOW(bp)) {
9176 BNX2X_ERR("period task called on emulation, ignoring\n");
9177 goto period_task_exit;
9178 }
9179
9180 bnx2x_acquire_phy_lock(bp);
9181 /*
9182 * The barrier is needed to ensure the ordering between the writing to
9183 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9184 * the reading here.
9185 */
9186 smp_mb();
9187 if (bp->port.pmf) {
9188 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9189
9190 /* Re-queue task in 1 sec */
9191 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9192 }
9193
9194 bnx2x_release_phy_lock(bp);
9195period_task_exit:
9196 return;
9197}
9198
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009199/*
9200 * Init service functions
9201 */
9202
stephen hemminger8d962862010-10-21 07:50:56 +00009203static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009204{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009205 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9206 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9207 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009208}
9209
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009210static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009211{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009212 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009213
9214 /* Flush all outstanding writes */
9215 mmiowb();
9216
9217 /* Pretend to be function 0 */
9218 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009219 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009220
9221 /* From now we are in the "like-E1" mode */
9222 bnx2x_int_disable(bp);
9223
9224 /* Flush all outstanding writes */
9225 mmiowb();
9226
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009227 /* Restore the original function */
9228 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9229 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009230}
9231
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009232static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009233{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009234 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009235 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009236 else
9237 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009238}
9239
Yuval Mintz452427b2012-03-26 20:47:07 +00009240static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009241{
Yuval Mintz452427b2012-03-26 20:47:07 +00009242 u32 val, base_addr, offset, mask, reset_reg;
9243 bool mac_stopped = false;
9244 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009245
Yuval Mintz452427b2012-03-26 20:47:07 +00009246 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009247
Yuval Mintz452427b2012-03-26 20:47:07 +00009248 if (!CHIP_IS_E3(bp)) {
9249 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9250 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9251 if ((mask & reset_reg) && val) {
9252 u32 wb_data[2];
9253 BNX2X_DEV_INFO("Disable bmac Rx\n");
9254 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9255 : NIG_REG_INGRESS_BMAC0_MEM;
9256 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9257 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009258
Yuval Mintz452427b2012-03-26 20:47:07 +00009259 /*
9260 * use rd/wr since we cannot use dmae. This is safe
9261 * since MCP won't access the bus due to the request
9262 * to unload, and no function on the path can be
9263 * loaded at this time.
9264 */
9265 wb_data[0] = REG_RD(bp, base_addr + offset);
9266 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9267 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9268 REG_WR(bp, base_addr + offset, wb_data[0]);
9269 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009270
Yuval Mintz452427b2012-03-26 20:47:07 +00009271 }
9272 BNX2X_DEV_INFO("Disable emac Rx\n");
9273 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009274
Yuval Mintz452427b2012-03-26 20:47:07 +00009275 mac_stopped = true;
9276 } else {
9277 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9278 BNX2X_DEV_INFO("Disable xmac Rx\n");
9279 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9280 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9281 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9282 val & ~(1 << 1));
9283 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9284 val | (1 << 1));
9285 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9286 mac_stopped = true;
9287 }
9288 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9289 if (mask & reset_reg) {
9290 BNX2X_DEV_INFO("Disable umac Rx\n");
9291 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9292 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9293 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009294 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009295 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009296
Yuval Mintz452427b2012-03-26 20:47:07 +00009297 if (mac_stopped)
9298 msleep(20);
9299
9300}
9301
9302#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9303#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9304#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9305#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9306
9307static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9308 u8 inc)
9309{
9310 u16 rcq, bd;
9311 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9312
9313 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9314 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9315
9316 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9317 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9318
9319 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9320 port, bd, rcq);
9321}
9322
9323static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9324{
9325 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9326 if (!rc) {
9327 BNX2X_ERR("MCP response failure, aborting\n");
9328 return -EBUSY;
9329 }
9330
9331 return 0;
9332}
9333
9334static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9335{
9336 struct bnx2x_prev_path_list *tmp_list;
9337 int rc = false;
9338
9339 if (down_trylock(&bnx2x_prev_sem))
9340 return false;
9341
9342 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9343 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9344 bp->pdev->bus->number == tmp_list->bus &&
9345 BP_PATH(bp) == tmp_list->path) {
9346 rc = true;
9347 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9348 BP_PATH(bp));
9349 break;
9350 }
9351 }
9352
9353 up(&bnx2x_prev_sem);
9354
9355 return rc;
9356}
9357
9358static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9359{
9360 struct bnx2x_prev_path_list *tmp_list;
9361 int rc;
9362
Devendra Nagaea4b3852012-07-29 03:19:23 +00009363 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009364 if (!tmp_list) {
9365 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9366 return -ENOMEM;
9367 }
9368
9369 tmp_list->bus = bp->pdev->bus->number;
9370 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9371 tmp_list->path = BP_PATH(bp);
9372
9373 rc = down_interruptible(&bnx2x_prev_sem);
9374 if (rc) {
9375 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9376 kfree(tmp_list);
9377 } else {
9378 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9379 BP_PATH(bp));
9380 list_add(&tmp_list->list, &bnx2x_prev_list);
9381 up(&bnx2x_prev_sem);
9382 }
9383
9384 return rc;
9385}
9386
Yuval Mintz452427b2012-03-26 20:47:07 +00009387static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9388{
9389 int i, pos;
9390 u16 status;
9391 struct pci_dev *dev = bp->pdev;
9392
Yuval Mintz8eee6942012-08-09 04:37:25 +00009393
9394 if (CHIP_IS_E1x(bp)) {
9395 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
9396 return -EINVAL;
9397 }
9398
9399 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
9400 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9401 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9402 bp->common.bc_ver);
9403 return -EINVAL;
9404 }
Yuval Mintz452427b2012-03-26 20:47:07 +00009405
9406 pos = pci_pcie_cap(dev);
9407 if (!pos)
9408 return -ENOTTY;
9409
9410 /* Wait for Transaction Pending bit clean */
9411 for (i = 0; i < 4; i++) {
9412 if (i)
9413 msleep((1 << (i - 1)) * 100);
9414
9415 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
9416 if (!(status & PCI_EXP_DEVSTA_TRPND))
9417 goto clear;
9418 }
9419
9420 dev_err(&dev->dev,
9421 "transaction is not cleared; proceeding with reset anyway\n");
9422
9423clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009424
Yuval Mintz8eee6942012-08-09 04:37:25 +00009425 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009426 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9427
9428 return 0;
9429}
9430
9431static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9432{
9433 int rc;
9434
9435 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9436
9437 /* Test if previous unload process was already finished for this path */
9438 if (bnx2x_prev_is_path_marked(bp))
9439 return bnx2x_prev_mcp_done(bp);
9440
9441 /* If function has FLR capabilities, and existing FW version matches
9442 * the one required, then FLR will be sufficient to clean any residue
9443 * left by previous driver
9444 */
Yuval Mintz8eee6942012-08-09 04:37:25 +00009445 rc = bnx2x_test_firmware_version(bp, false);
9446
9447 if (!rc) {
9448 /* fw version is good */
9449 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9450 rc = bnx2x_do_flr(bp);
9451 }
9452
9453 if (!rc) {
9454 /* FLR was performed */
9455 BNX2X_DEV_INFO("FLR successful\n");
9456 return 0;
9457 }
9458
9459 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009460
9461 /* Close the MCP request, return failure*/
9462 rc = bnx2x_prev_mcp_done(bp);
9463 if (!rc)
9464 rc = BNX2X_PREV_WAIT_NEEDED;
9465
9466 return rc;
9467}
9468
9469static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9470{
9471 u32 reset_reg, tmp_reg = 0, rc;
9472 /* It is possible a previous function received 'common' answer,
9473 * but hasn't loaded yet, therefore creating a scenario of
9474 * multiple functions receiving 'common' on the same path.
9475 */
9476 BNX2X_DEV_INFO("Common unload Flow\n");
9477
9478 if (bnx2x_prev_is_path_marked(bp))
9479 return bnx2x_prev_mcp_done(bp);
9480
9481 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9482
9483 /* Reset should be performed after BRB is emptied */
9484 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9485 u32 timer_count = 1000;
9486 bool prev_undi = false;
9487
9488 /* Close the MAC Rx to prevent BRB from filling up */
9489 bnx2x_prev_unload_close_mac(bp);
9490
9491 /* Check if the UNDI driver was previously loaded
9492 * UNDI driver initializes CID offset for normal bell to 0x7
9493 */
9494 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9495 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9496 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9497 if (tmp_reg == 0x7) {
9498 BNX2X_DEV_INFO("UNDI previously loaded\n");
9499 prev_undi = true;
9500 /* clear the UNDI indication */
9501 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9502 }
9503 }
9504 /* wait until BRB is empty */
9505 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9506 while (timer_count) {
9507 u32 prev_brb = tmp_reg;
9508
9509 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9510 if (!tmp_reg)
9511 break;
9512
9513 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9514
9515 /* reset timer as long as BRB actually gets emptied */
9516 if (prev_brb > tmp_reg)
9517 timer_count = 1000;
9518 else
9519 timer_count--;
9520
9521 /* If UNDI resides in memory, manually increment it */
9522 if (prev_undi)
9523 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9524
9525 udelay(10);
9526 }
9527
9528 if (!timer_count)
9529 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9530
9531 }
9532
9533 /* No packets are in the pipeline, path is ready for reset */
9534 bnx2x_reset_common(bp);
9535
9536 rc = bnx2x_prev_mark_path(bp);
9537 if (rc) {
9538 bnx2x_prev_mcp_done(bp);
9539 return rc;
9540 }
9541
9542 return bnx2x_prev_mcp_done(bp);
9543}
9544
Ariel Elior24f06712012-05-06 07:05:57 +00009545/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9546 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9547 * the addresses of the transaction, resulting in was-error bit set in the pci
9548 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9549 * to clear the interrupt which detected this from the pglueb and the was done
9550 * bit
9551 */
9552static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9553{
9554 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9555 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9556 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9557 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9558 }
9559}
9560
Yuval Mintz452427b2012-03-26 20:47:07 +00009561static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9562{
9563 int time_counter = 10;
9564 u32 rc, fw, hw_lock_reg, hw_lock_val;
9565 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9566
Ariel Elior24f06712012-05-06 07:05:57 +00009567 /* clear hw from errors which may have resulted from an interrupted
9568 * dmae transaction.
9569 */
9570 bnx2x_prev_interrupted_dmae(bp);
9571
9572 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009573 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9574 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9575 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9576
9577 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9578 if (hw_lock_val) {
9579 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9580 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9581 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9582 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9583 }
9584
9585 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9586 REG_WR(bp, hw_lock_reg, 0xffffffff);
9587 } else
9588 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9589
9590 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9591 BNX2X_DEV_INFO("Release previously held alr\n");
9592 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9593 }
9594
9595
9596 do {
9597 /* Lock MCP using an unload request */
9598 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9599 if (!fw) {
9600 BNX2X_ERR("MCP response failure, aborting\n");
9601 rc = -EBUSY;
9602 break;
9603 }
9604
9605 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9606 rc = bnx2x_prev_unload_common(bp);
9607 break;
9608 }
9609
9610 /* non-common reply from MCP night require looping */
9611 rc = bnx2x_prev_unload_uncommon(bp);
9612 if (rc != BNX2X_PREV_WAIT_NEEDED)
9613 break;
9614
9615 msleep(20);
9616 } while (--time_counter);
9617
9618 if (!time_counter || rc) {
9619 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9620 rc = -EBUSY;
9621 }
9622
9623 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9624
9625 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009626}
9627
9628static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9629{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009630 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009631 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009632
9633 /* Get the chip revision id and number. */
9634 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9635 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9636 id = ((val & 0xffff) << 16);
9637 val = REG_RD(bp, MISC_REG_CHIP_REV);
9638 id |= ((val & 0xf) << 12);
9639 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9640 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009641 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009642 id |= (val & 0xf);
9643 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009644
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009645 /* force 57811 according to MISC register */
9646 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9647 if (CHIP_IS_57810(bp))
9648 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9649 (bp->common.chip_id & 0x0000FFFF);
9650 else if (CHIP_IS_57810_MF(bp))
9651 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9652 (bp->common.chip_id & 0x0000FFFF);
9653 bp->common.chip_id |= 0x1;
9654 }
9655
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009656 /* Set doorbell size */
9657 bp->db_size = (1 << BNX2X_DB_SHIFT);
9658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009659 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009660 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9661 if ((val & 1) == 0)
9662 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9663 else
9664 val = (val >> 1) & 1;
9665 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9666 "2_PORT_MODE");
9667 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9668 CHIP_2_PORT_MODE;
9669
9670 if (CHIP_MODE_IS_4_PORT(bp))
9671 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9672 else
9673 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9674 } else {
9675 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9676 bp->pfid = bp->pf_num; /* 0..7 */
9677 }
9678
Merav Sicron51c1a582012-03-18 10:33:38 +00009679 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009681 bp->link_params.chip_id = bp->common.chip_id;
9682 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009683
Eilon Greenstein1c063282009-02-12 08:36:43 +00009684 val = (REG_RD(bp, 0x2874) & 0x55);
9685 if ((bp->common.chip_id & 0x1) ||
9686 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9687 bp->flags |= ONE_PORT_FLAG;
9688 BNX2X_DEV_INFO("single port device\n");
9689 }
9690
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009691 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009692 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009693 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9694 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9695 bp->common.flash_size, bp->common.flash_size);
9696
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009697 bnx2x_init_shmem(bp);
9698
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009699
9700
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009701 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9702 MISC_REG_GENERIC_CR_1 :
9703 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009704
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009705 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009706 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009707 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9708 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009709
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009710 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009711 BNX2X_DEV_INFO("MCP not active\n");
9712 bp->flags |= NO_MCP_FLAG;
9713 return;
9714 }
9715
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009716 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009717 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009718
9719 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9720 SHARED_HW_CFG_LED_MODE_MASK) >>
9721 SHARED_HW_CFG_LED_MODE_SHIFT);
9722
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009723 bp->link_params.feature_config_flags = 0;
9724 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9725 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9726 bp->link_params.feature_config_flags |=
9727 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9728 else
9729 bp->link_params.feature_config_flags &=
9730 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9731
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009732 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9733 bp->common.bc_ver = val;
9734 BNX2X_DEV_INFO("bc_ver %X\n", val);
9735 if (val < BNX2X_BC_VER) {
9736 /* for now only warn
9737 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009738 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9739 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009740 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009741 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009742 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009743 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9744
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009745 bp->link_params.feature_config_flags |=
9746 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9747 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009748 bp->link_params.feature_config_flags |=
9749 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9750 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009751 bp->link_params.feature_config_flags |=
9752 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9753 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009754 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9755 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009756
Barak Witkowski2e499d32012-06-26 01:31:19 +00009757 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9758 BC_SUPPORTS_FCOE_FEATURES : 0;
9759
Barak Witkowski98768792012-06-19 07:48:31 +00009760 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9761 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009762 boot_mode = SHMEM_RD(bp,
9763 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9764 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9765 switch (boot_mode) {
9766 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9767 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9768 break;
9769 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9770 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9771 break;
9772 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9773 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9774 break;
9775 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9776 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9777 break;
9778 }
9779
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009780 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9781 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9782
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009783 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009784 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009785
9786 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9787 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9788 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9789 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9790
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009791 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9792 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009793}
9794
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009795#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9796#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9797
9798static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9799{
9800 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009801 int igu_sb_id;
9802 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009803 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009804
9805 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009806 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009807 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009808 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009809 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9810 FP_SB_MAX_E1x;
9811
9812 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9813 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9814
9815 return;
9816 }
9817
9818 /* IGU in normal mode - read CAM */
9819 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9820 igu_sb_id++) {
9821 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9822 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9823 continue;
9824 fid = IGU_FID(val);
9825 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9826 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9827 continue;
9828 if (IGU_VEC(val) == 0)
9829 /* default status block */
9830 bp->igu_dsb_id = igu_sb_id;
9831 else {
9832 if (bp->igu_base_sb == 0xff)
9833 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009834 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009835 }
9836 }
9837 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009838
Ariel Elior6383c0b2011-07-14 08:31:57 +00009839#ifdef CONFIG_PCI_MSI
9840 /*
9841 * It's expected that number of CAM entries for this functions is equal
9842 * to the number evaluated based on the MSI-X table size. We want a
9843 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009844 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009845 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9846#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009847
Ariel Elior6383c0b2011-07-14 08:31:57 +00009848 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009849 BNX2X_ERR("CAM configuration error\n");
9850}
9851
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009852static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9853 u32 switch_cfg)
9854{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009855 int cfg_size = 0, idx, port = BP_PORT(bp);
9856
9857 /* Aggregation of supported attributes of all external phys */
9858 bp->port.supported[0] = 0;
9859 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009860 switch (bp->link_params.num_phys) {
9861 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009862 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9863 cfg_size = 1;
9864 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009865 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009866 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9867 cfg_size = 1;
9868 break;
9869 case 3:
9870 if (bp->link_params.multi_phy_config &
9871 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9872 bp->port.supported[1] =
9873 bp->link_params.phy[EXT_PHY1].supported;
9874 bp->port.supported[0] =
9875 bp->link_params.phy[EXT_PHY2].supported;
9876 } else {
9877 bp->port.supported[0] =
9878 bp->link_params.phy[EXT_PHY1].supported;
9879 bp->port.supported[1] =
9880 bp->link_params.phy[EXT_PHY2].supported;
9881 }
9882 cfg_size = 2;
9883 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009884 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009885
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009886 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009887 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009888 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009889 dev_info.port_hw_config[port].external_phy_config),
9890 SHMEM_RD(bp,
9891 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009892 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009893 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009894
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009895 if (CHIP_IS_E3(bp))
9896 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9897 else {
9898 switch (switch_cfg) {
9899 case SWITCH_CFG_1G:
9900 bp->port.phy_addr = REG_RD(
9901 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9902 break;
9903 case SWITCH_CFG_10G:
9904 bp->port.phy_addr = REG_RD(
9905 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9906 break;
9907 default:
9908 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9909 bp->port.link_config[0]);
9910 return;
9911 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009912 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009913 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009914 /* mask what we support according to speed_cap_mask per configuration */
9915 for (idx = 0; idx < cfg_size; idx++) {
9916 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009917 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009918 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009919
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009920 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009921 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009922 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009923
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009924 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009925 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009926 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009927
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009928 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009929 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009930 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009931
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009932 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009933 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009934 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009935 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009936
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009937 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009938 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009939 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009940
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009941 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009942 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009943 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009944
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009945 }
9946
9947 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9948 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009949}
9950
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009951static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009952{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009953 u32 link_config, idx, cfg_size = 0;
9954 bp->port.advertising[0] = 0;
9955 bp->port.advertising[1] = 0;
9956 switch (bp->link_params.num_phys) {
9957 case 1:
9958 case 2:
9959 cfg_size = 1;
9960 break;
9961 case 3:
9962 cfg_size = 2;
9963 break;
9964 }
9965 for (idx = 0; idx < cfg_size; idx++) {
9966 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9967 link_config = bp->port.link_config[idx];
9968 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009969 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009970 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9971 bp->link_params.req_line_speed[idx] =
9972 SPEED_AUTO_NEG;
9973 bp->port.advertising[idx] |=
9974 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009975 if (bp->link_params.phy[EXT_PHY1].type ==
9976 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9977 bp->port.advertising[idx] |=
9978 (SUPPORTED_100baseT_Half |
9979 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009980 } else {
9981 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009982 bp->link_params.req_line_speed[idx] =
9983 SPEED_10000;
9984 bp->port.advertising[idx] |=
9985 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009986 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009987 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009988 }
9989 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009990
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009991 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009992 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9993 bp->link_params.req_line_speed[idx] =
9994 SPEED_10;
9995 bp->port.advertising[idx] |=
9996 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009997 ADVERTISED_TP);
9998 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009999 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010000 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010001 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010002 return;
10003 }
10004 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010005
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010006 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010007 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10008 bp->link_params.req_line_speed[idx] =
10009 SPEED_10;
10010 bp->link_params.req_duplex[idx] =
10011 DUPLEX_HALF;
10012 bp->port.advertising[idx] |=
10013 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010014 ADVERTISED_TP);
10015 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010016 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010017 link_config,
10018 bp->link_params.speed_cap_mask[idx]);
10019 return;
10020 }
10021 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010022
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010023 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10024 if (bp->port.supported[idx] &
10025 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010026 bp->link_params.req_line_speed[idx] =
10027 SPEED_100;
10028 bp->port.advertising[idx] |=
10029 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010030 ADVERTISED_TP);
10031 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010032 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010033 link_config,
10034 bp->link_params.speed_cap_mask[idx]);
10035 return;
10036 }
10037 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010038
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010039 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10040 if (bp->port.supported[idx] &
10041 SUPPORTED_100baseT_Half) {
10042 bp->link_params.req_line_speed[idx] =
10043 SPEED_100;
10044 bp->link_params.req_duplex[idx] =
10045 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010046 bp->port.advertising[idx] |=
10047 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010048 ADVERTISED_TP);
10049 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010050 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010051 link_config,
10052 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010053 return;
10054 }
10055 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010056
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010057 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010058 if (bp->port.supported[idx] &
10059 SUPPORTED_1000baseT_Full) {
10060 bp->link_params.req_line_speed[idx] =
10061 SPEED_1000;
10062 bp->port.advertising[idx] |=
10063 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010064 ADVERTISED_TP);
10065 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010066 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010067 link_config,
10068 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010069 return;
10070 }
10071 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010072
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010073 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010074 if (bp->port.supported[idx] &
10075 SUPPORTED_2500baseX_Full) {
10076 bp->link_params.req_line_speed[idx] =
10077 SPEED_2500;
10078 bp->port.advertising[idx] |=
10079 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010080 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010081 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010082 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010083 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010084 bp->link_params.speed_cap_mask[idx]);
10085 return;
10086 }
10087 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010088
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010089 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010090 if (bp->port.supported[idx] &
10091 SUPPORTED_10000baseT_Full) {
10092 bp->link_params.req_line_speed[idx] =
10093 SPEED_10000;
10094 bp->port.advertising[idx] |=
10095 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010096 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010097 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010098 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010099 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010100 bp->link_params.speed_cap_mask[idx]);
10101 return;
10102 }
10103 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010104 case PORT_FEATURE_LINK_SPEED_20G:
10105 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010106
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010107 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010108 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010109 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010110 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010111 bp->link_params.req_line_speed[idx] =
10112 SPEED_AUTO_NEG;
10113 bp->port.advertising[idx] =
10114 bp->port.supported[idx];
10115 break;
10116 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010117
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010118 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010119 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010120 if ((bp->link_params.req_flow_ctrl[idx] ==
10121 BNX2X_FLOW_CTRL_AUTO) &&
10122 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10123 bp->link_params.req_flow_ctrl[idx] =
10124 BNX2X_FLOW_CTRL_NONE;
10125 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010126
Merav Sicron51c1a582012-03-18 10:33:38 +000010127 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x advertising 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010128 bp->link_params.req_line_speed[idx],
10129 bp->link_params.req_duplex[idx],
10130 bp->link_params.req_flow_ctrl[idx],
10131 bp->port.advertising[idx]);
10132 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010133}
10134
Michael Chane665bfd2009-10-10 13:46:54 +000010135static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10136{
10137 mac_hi = cpu_to_be16(mac_hi);
10138 mac_lo = cpu_to_be32(mac_lo);
10139 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10140 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10141}
10142
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010143static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010144{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010145 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010146 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010147 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010148
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010149 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010150 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010151
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010152 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010153 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010154
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010155 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010156 SHMEM_RD(bp,
10157 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010158 bp->link_params.speed_cap_mask[1] =
10159 SHMEM_RD(bp,
10160 dev_info.port_hw_config[port].speed_capability_mask2);
10161 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010162 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10163
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010164 bp->port.link_config[1] =
10165 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010166
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010167 bp->link_params.multi_phy_config =
10168 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010169 /* If the device is capable of WoL, set the default state according
10170 * to the HW
10171 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010172 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010173 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10174 (config & PORT_FEATURE_WOL_ENABLED));
10175
Merav Sicron51c1a582012-03-18 10:33:38 +000010176 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010177 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010178 bp->link_params.speed_cap_mask[0],
10179 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010180
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010181 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010182 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010183 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010184 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010185
10186 bnx2x_link_settings_requested(bp);
10187
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010188 /*
10189 * If connected directly, work with the internal PHY, otherwise, work
10190 * with the external PHY
10191 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010192 ext_phy_config =
10193 SHMEM_RD(bp,
10194 dev_info.port_hw_config[port].external_phy_config);
10195 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010196 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010197 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010198
10199 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10200 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10201 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010202 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010203
10204 /*
10205 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10206 * In MF mode, it is set to cover self test cases
10207 */
10208 if (IS_MF(bp))
10209 bp->port.need_hw_lock = 1;
10210 else
10211 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10212 bp->common.shmem_base,
10213 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010214
10215 /* Configure link feature according to nvram value */
10216 eee_mode = (((SHMEM_RD(bp, dev_info.
10217 port_feature_config[port].eee_power_mode)) &
10218 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10219 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10220 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10221 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10222 EEE_MODE_ENABLE_LPI |
10223 EEE_MODE_OUTPUT_TIME;
10224 } else {
10225 bp->link_params.eee_mode = 0;
10226 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010227}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010228
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010229void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010230{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010231 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010232#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010233 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010234
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010235 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010236 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010237
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010238 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010239 bp->cnic_eth_dev.max_iscsi_conn =
10240 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10241 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10242
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010243 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10244 bp->cnic_eth_dev.max_iscsi_conn);
10245
10246 /*
10247 * If maximum allowed number of connections is zero -
10248 * disable the feature.
10249 */
10250 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010251 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010252#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010253 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010254#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010255}
10256
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010257#ifdef BCM_CNIC
10258static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10259{
10260 /* Port info */
10261 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10262 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10263 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10264 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10265
10266 /* Node info */
10267 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10268 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10269 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10270 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10271}
10272#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010273static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10274{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010275#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010276 int port = BP_PORT(bp);
10277 int func = BP_ABS_FUNC(bp);
10278
10279 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10280 drv_lic_key[port].max_fcoe_conn);
10281
10282 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010283 bp->cnic_eth_dev.max_fcoe_conn =
10284 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10285 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10286
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010287 /* Read the WWN: */
10288 if (!IS_MF(bp)) {
10289 /* Port info */
10290 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10291 SHMEM_RD(bp,
10292 dev_info.port_hw_config[port].
10293 fcoe_wwn_port_name_upper);
10294 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10295 SHMEM_RD(bp,
10296 dev_info.port_hw_config[port].
10297 fcoe_wwn_port_name_lower);
10298
10299 /* Node info */
10300 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10301 SHMEM_RD(bp,
10302 dev_info.port_hw_config[port].
10303 fcoe_wwn_node_name_upper);
10304 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10305 SHMEM_RD(bp,
10306 dev_info.port_hw_config[port].
10307 fcoe_wwn_node_name_lower);
10308 } else if (!IS_MF_SD(bp)) {
10309 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10310
10311 /*
10312 * Read the WWN info only if the FCoE feature is enabled for
10313 * this function.
10314 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010315 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
10316 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010317
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010318 } else if (IS_MF_FCOE_SD(bp))
10319 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010320
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010321 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010322
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010323 /*
10324 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010325 * disable the feature.
10326 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010327 if (!bp->cnic_eth_dev.max_fcoe_conn)
10328 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010329#else
10330 bp->flags |= NO_FCOE_FLAG;
10331#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010332}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010333
10334static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10335{
10336 /*
10337 * iSCSI may be dynamically disabled but reading
10338 * info here we will decrease memory usage by driver
10339 * if the feature is disabled for good
10340 */
10341 bnx2x_get_iscsi_info(bp);
10342 bnx2x_get_fcoe_info(bp);
10343}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010344
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010345static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10346{
10347 u32 val, val2;
10348 int func = BP_ABS_FUNC(bp);
10349 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010350#ifdef BCM_CNIC
10351 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10352 u8 *fip_mac = bp->fip_mac;
10353#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010354
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010355 /* Zero primary MAC configuration */
10356 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10357
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010358 if (BP_NOMCP(bp)) {
10359 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010360 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010361 } else if (IS_MF(bp)) {
10362 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10363 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10364 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10365 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10366 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10367
10368#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010369 /*
10370 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010371 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010372 *
10373 * In non SD mode features configuration comes from
10374 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010375 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010376 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010377 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10378 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10379 val2 = MF_CFG_RD(bp, func_ext_config[func].
10380 iscsi_mac_addr_upper);
10381 val = MF_CFG_RD(bp, func_ext_config[func].
10382 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010383 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +000010384 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10385 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010386 } else
10387 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10388
10389 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10390 val2 = MF_CFG_RD(bp, func_ext_config[func].
10391 fcoe_mac_addr_upper);
10392 val = MF_CFG_RD(bp, func_ext_config[func].
10393 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010394 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010395 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010396 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010397
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010398 } else
10399 bp->flags |= NO_FCOE_FLAG;
Barak Witkowskia3348722012-04-23 03:04:46 +000010400
10401 bp->mf_ext_config = cfg;
10402
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010403 } else { /* SD MODE */
10404 if (IS_MF_STORAGE_SD(bp)) {
10405 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10406 /* use primary mac as iscsi mac */
10407 memcpy(iscsi_mac, bp->dev->dev_addr,
10408 ETH_ALEN);
10409
10410 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10411 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10412 iscsi_mac);
10413 } else { /* FCoE */
10414 memcpy(fip_mac, bp->dev->dev_addr,
10415 ETH_ALEN);
10416 BNX2X_DEV_INFO("SD FCoE MODE\n");
10417 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
10418 fip_mac);
10419 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010420 /* Zero primary MAC configuration */
10421 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010422 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010423 }
Barak Witkowskia3348722012-04-23 03:04:46 +000010424
10425 if (IS_MF_FCOE_AFEX(bp))
10426 /* use FIP MAC as primary MAC */
10427 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10428
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010429#endif
10430 } else {
10431 /* in SF read MACs from port configuration */
10432 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10433 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10434 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10435
10436#ifdef BCM_CNIC
10437 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10438 iscsi_mac_upper);
10439 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10440 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010441 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +000010442
10443 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10444 fcoe_fip_mac_upper);
10445 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10446 fcoe_fip_mac_lower);
10447 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010448#endif
10449 }
10450
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010451 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10452 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010453
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010454#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +000010455 /* Disable iSCSI if MAC configuration is
10456 * invalid.
10457 */
10458 if (!is_valid_ether_addr(iscsi_mac)) {
10459 bp->flags |= NO_ISCSI_FLAG;
10460 memset(iscsi_mac, 0, ETH_ALEN);
10461 }
10462
10463 /* Disable FCoE if MAC configuration is
10464 * invalid.
10465 */
10466 if (!is_valid_ether_addr(fip_mac)) {
10467 bp->flags |= NO_FCOE_FLAG;
10468 memset(bp->fip_mac, 0, ETH_ALEN);
10469 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010470#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010471
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010472 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010473 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010474 "bad Ethernet MAC address configuration: %pM\n"
10475 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010476 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010477
10478
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010479}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010480
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010481static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10482{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010483 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010484 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010485 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010486 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010487
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010488 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010489
Ariel Elior6383c0b2011-07-14 08:31:57 +000010490 /*
10491 * initialize IGU parameters
10492 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010493 if (CHIP_IS_E1x(bp)) {
10494 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010496 bp->igu_dsb_id = DEF_SB_IGU_ID;
10497 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010498 } else {
10499 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010500
10501 /* do not allow device reset during IGU info preocessing */
10502 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10503
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010504 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010505
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010506 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010507 int tout = 5000;
10508
10509 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10510
10511 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10512 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10513 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10514
10515 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10516 tout--;
10517 usleep_range(1000, 1000);
10518 }
10519
10520 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10521 dev_err(&bp->pdev->dev,
10522 "FORCING Normal Mode failed!!!\n");
10523 return -EPERM;
10524 }
10525 }
10526
10527 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10528 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010529 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10530 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010531 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010532
10533 bnx2x_get_igu_cam_info(bp);
10534
David S. Miller8decf862011-09-22 03:23:13 -040010535 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010536 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010537
10538 /*
10539 * set base FW non-default (fast path) status block id, this value is
10540 * used to initialize the fw_sb_id saved on the fp/queue structure to
10541 * determine the id used by the FW.
10542 */
10543 if (CHIP_IS_E1x(bp))
10544 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10545 else /*
10546 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10547 * the same queue are indicated on the same IGU SB). So we prefer
10548 * FW and IGU SBs to be the same value.
10549 */
10550 bp->base_fw_ndsb = bp->igu_base_sb;
10551
10552 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10553 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10554 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010555
10556 /*
10557 * Initialize MF configuration
10558 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010559
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010560 bp->mf_ov = 0;
10561 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010562 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010563
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010564 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010565 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10566 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10567 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10568
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010569 if (SHMEM2_HAS(bp, mf_cfg_addr))
10570 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10571 else
10572 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010573 offsetof(struct shmem_region, func_mb) +
10574 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010575 /*
10576 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010577 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010578 * 2. MAC address must be legal (check only upper bytes)
10579 * for Switch-Independent mode;
10580 * OVLAN must be legal for Switch-Dependent mode
10581 * 3. SF_MODE configures specific MF mode
10582 */
10583 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10584 /* get mf configuration */
10585 val = SHMEM_RD(bp,
10586 dev_info.shared_feature_config.config);
10587 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010588
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010589 switch (val) {
10590 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10591 val = MF_CFG_RD(bp, func_mf_config[func].
10592 mac_upper);
10593 /* check for legal mac (upper bytes)*/
10594 if (val != 0xffff) {
10595 bp->mf_mode = MULTI_FUNCTION_SI;
10596 bp->mf_config[vn] = MF_CFG_RD(bp,
10597 func_mf_config[func].config);
10598 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010599 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010600 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010601 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10602 if ((!CHIP_IS_E1x(bp)) &&
10603 (MF_CFG_RD(bp, func_mf_config[func].
10604 mac_upper) != 0xffff) &&
10605 (SHMEM2_HAS(bp,
10606 afex_driver_support))) {
10607 bp->mf_mode = MULTI_FUNCTION_AFEX;
10608 bp->mf_config[vn] = MF_CFG_RD(bp,
10609 func_mf_config[func].config);
10610 } else {
10611 BNX2X_DEV_INFO("can not configure afex mode\n");
10612 }
10613 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010614 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10615 /* get OV configuration */
10616 val = MF_CFG_RD(bp,
10617 func_mf_config[FUNC_0].e1hov_tag);
10618 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10619
10620 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10621 bp->mf_mode = MULTI_FUNCTION_SD;
10622 bp->mf_config[vn] = MF_CFG_RD(bp,
10623 func_mf_config[func].config);
10624 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010625 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010626 break;
10627 default:
10628 /* Unknown configuration: reset mf_config */
10629 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010630 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010631 }
10632 }
10633
Eilon Greenstein2691d512009-08-12 08:22:08 +000010634 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010635 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010636
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010637 switch (bp->mf_mode) {
10638 case MULTI_FUNCTION_SD:
10639 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10640 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010641 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010642 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010643 bp->path_has_ovlan = true;
10644
Merav Sicron51c1a582012-03-18 10:33:38 +000010645 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10646 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010647 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010648 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010649 "No valid MF OV for func %d, aborting\n",
10650 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010651 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010652 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010653 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010654 case MULTI_FUNCTION_AFEX:
10655 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10656 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010657 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010658 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10659 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010660 break;
10661 default:
10662 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010663 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010664 "VN %d is in a single function mode, aborting\n",
10665 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010666 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010667 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010668 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010669 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010670
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010671 /* check if other port on the path needs ovlan:
10672 * Since MF configuration is shared between ports
10673 * Possible mixed modes are only
10674 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10675 */
10676 if (CHIP_MODE_IS_4_PORT(bp) &&
10677 !bp->path_has_ovlan &&
10678 !IS_MF(bp) &&
10679 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10680 u8 other_port = !BP_PORT(bp);
10681 u8 other_func = BP_PATH(bp) + 2*other_port;
10682 val = MF_CFG_RD(bp,
10683 func_mf_config[other_func].e1hov_tag);
10684 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10685 bp->path_has_ovlan = true;
10686 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010687 }
10688
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010689 /* adjust igu_sb_cnt to MF for E1x */
10690 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010691 bp->igu_sb_cnt /= E1HVN_MAX;
10692
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010693 /* port info */
10694 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010695
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010696 /* Get MAC addresses */
10697 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010698
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010699 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010700
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010701 return rc;
10702}
10703
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010704static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10705{
10706 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010707 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010708 char str_id_reg[VENDOR_ID_LEN+1];
10709 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010710 char *vpd_data;
10711 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010712 u8 len;
10713
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010714 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010715 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10716
10717 if (cnt < BNX2X_VPD_LEN)
10718 goto out_not_found;
10719
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010720 /* VPD RO tag should be first tag after identifier string, hence
10721 * we should be able to find it in first BNX2X_VPD_LEN chars
10722 */
10723 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010724 PCI_VPD_LRDT_RO_DATA);
10725 if (i < 0)
10726 goto out_not_found;
10727
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010728 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010729 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010730
10731 i += PCI_VPD_LRDT_TAG_SIZE;
10732
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010733 if (block_end > BNX2X_VPD_LEN) {
10734 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10735 if (vpd_extended_data == NULL)
10736 goto out_not_found;
10737
10738 /* read rest of vpd image into vpd_extended_data */
10739 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10740 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10741 block_end - BNX2X_VPD_LEN,
10742 vpd_extended_data + BNX2X_VPD_LEN);
10743 if (cnt < (block_end - BNX2X_VPD_LEN))
10744 goto out_not_found;
10745 vpd_data = vpd_extended_data;
10746 } else
10747 vpd_data = vpd_start;
10748
10749 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010750
10751 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10752 PCI_VPD_RO_KEYWORD_MFR_ID);
10753 if (rodi < 0)
10754 goto out_not_found;
10755
10756 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10757
10758 if (len != VENDOR_ID_LEN)
10759 goto out_not_found;
10760
10761 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10762
10763 /* vendor specific info */
10764 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10765 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10766 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10767 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10768
10769 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10770 PCI_VPD_RO_KEYWORD_VENDOR0);
10771 if (rodi >= 0) {
10772 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10773
10774 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10775
10776 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10777 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10778 bp->fw_ver[len] = ' ';
10779 }
10780 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010781 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010782 return;
10783 }
10784out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010785 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010786 return;
10787}
10788
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010789static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10790{
10791 u32 flags = 0;
10792
10793 if (CHIP_REV_IS_FPGA(bp))
10794 SET_FLAGS(flags, MODE_FPGA);
10795 else if (CHIP_REV_IS_EMUL(bp))
10796 SET_FLAGS(flags, MODE_EMUL);
10797 else
10798 SET_FLAGS(flags, MODE_ASIC);
10799
10800 if (CHIP_MODE_IS_4_PORT(bp))
10801 SET_FLAGS(flags, MODE_PORT4);
10802 else
10803 SET_FLAGS(flags, MODE_PORT2);
10804
10805 if (CHIP_IS_E2(bp))
10806 SET_FLAGS(flags, MODE_E2);
10807 else if (CHIP_IS_E3(bp)) {
10808 SET_FLAGS(flags, MODE_E3);
10809 if (CHIP_REV(bp) == CHIP_REV_Ax)
10810 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010811 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10812 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010813 }
10814
10815 if (IS_MF(bp)) {
10816 SET_FLAGS(flags, MODE_MF);
10817 switch (bp->mf_mode) {
10818 case MULTI_FUNCTION_SD:
10819 SET_FLAGS(flags, MODE_MF_SD);
10820 break;
10821 case MULTI_FUNCTION_SI:
10822 SET_FLAGS(flags, MODE_MF_SI);
10823 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010824 case MULTI_FUNCTION_AFEX:
10825 SET_FLAGS(flags, MODE_MF_AFEX);
10826 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010827 }
10828 } else
10829 SET_FLAGS(flags, MODE_SF);
10830
10831#if defined(__LITTLE_ENDIAN)
10832 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10833#else /*(__BIG_ENDIAN)*/
10834 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10835#endif
10836 INIT_MODE_FLAGS(bp) = flags;
10837}
10838
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010839static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10840{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010841 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010842 int rc;
10843
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010844 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010845 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010846 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010847#ifdef BCM_CNIC
10848 mutex_init(&bp->cnic_mutex);
10849#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010850
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010851 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010852 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010853 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010854 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010855 if (rc)
10856 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010857
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010858 bnx2x_set_modes_bitmap(bp);
10859
10860 rc = bnx2x_alloc_mem_bp(bp);
10861 if (rc)
10862 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010863
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010864 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010865
10866 func = BP_FUNC(bp);
10867
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010868 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010869 if (!BP_NOMCP(bp)) {
10870 /* init fw_seq */
10871 bp->fw_seq =
10872 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10873 DRV_MSG_SEQ_NUMBER_MASK;
10874 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10875
10876 bnx2x_prev_unload(bp);
10877 }
10878
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010879
10880 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010881 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010882
10883 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010884 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010885
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010886 bp->disable_tpa = disable_tpa;
10887
10888#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +000010889 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010890#endif
10891
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010892 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010893 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010894 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010895 bp->dev->features &= ~NETIF_F_LRO;
10896 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010897 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010898 bp->dev->features |= NETIF_F_LRO;
10899 }
10900
Eilon Greensteina18f5122009-08-12 08:23:26 +000010901 if (CHIP_IS_E1(bp))
10902 bp->dropless_fc = 0;
10903 else
10904 bp->dropless_fc = dropless_fc;
10905
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010906 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010907
Barak Witkowskia3348722012-04-23 03:04:46 +000010908 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010909
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010910 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010911 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10912 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010913
Michal Schmidtfc543632012-02-14 09:05:46 +000010914 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010915
10916 init_timer(&bp->timer);
10917 bp->timer.expires = jiffies + bp->current_interval;
10918 bp->timer.data = (unsigned long) bp;
10919 bp->timer.function = bnx2x_timer;
10920
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010921 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010922 bnx2x_dcbx_init_params(bp);
10923
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010924#ifdef BCM_CNIC
10925 if (CHIP_IS_E1x(bp))
10926 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10927 else
10928 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10929#endif
10930
Ariel Elior6383c0b2011-07-14 08:31:57 +000010931 /* multiple tx priority */
10932 if (CHIP_IS_E1x(bp))
10933 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10934 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10935 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10936 if (CHIP_IS_E3B0(bp))
10937 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10938
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010939 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010940}
10941
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010942
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010943/****************************************************************************
10944* General service functions
10945****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010946
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010947/*
10948 * net_device service functions
10949 */
10950
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010951/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010952static int bnx2x_open(struct net_device *dev)
10953{
10954 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010955 bool global = false;
10956 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010957 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010958
Mintz Yuval1355b702012-02-15 02:10:22 +000010959 bp->stats_init = true;
10960
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010961 netif_carrier_off(dev);
10962
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010963 bnx2x_set_power_state(bp, PCI_D0);
10964
Ariel Elior889b9af2012-01-26 06:01:51 +000010965 other_load_status = bnx2x_get_load_status(bp, other_engine);
10966 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010967
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010968 /*
10969 * If parity had happen during the unload, then attentions
10970 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10971 * want the first function loaded on the current engine to
10972 * complete the recovery.
10973 */
10974 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10975 bnx2x_chk_parity_attn(bp, &global, true))
10976 do {
10977 /*
10978 * If there are attentions and they are in a global
10979 * blocks, set the GLOBAL_RESET bit regardless whether
10980 * it will be this function that will complete the
10981 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010982 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010983 if (global)
10984 bnx2x_set_reset_global(bp);
10985
10986 /*
10987 * Only the first function on the current engine should
10988 * try to recover in open. In case of attentions in
10989 * global blocks only the first in the chip should try
10990 * to recover.
10991 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010992 if ((!load_status &&
10993 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010994 bnx2x_trylock_leader_lock(bp) &&
10995 !bnx2x_leader_reset(bp)) {
10996 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010997 break;
10998 }
10999
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011000 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011001 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011002 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011003
Merav Sicron51c1a582012-03-18 10:33:38 +000011004 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11005 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011006
11007 return -EAGAIN;
11008 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011009
11010 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011011 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011012}
11013
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011014/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011015static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011016{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011017 struct bnx2x *bp = netdev_priv(dev);
11018
11019 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011020 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011021
11022 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011023 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011024
11025 return 0;
11026}
11027
Eric Dumazet1191cb82012-04-27 21:39:21 +000011028static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11029 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011030{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011031 int mc_count = netdev_mc_count(bp->dev);
11032 struct bnx2x_mcast_list_elem *mc_mac =
11033 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011034 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011035
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011036 if (!mc_mac)
11037 return -ENOMEM;
11038
11039 INIT_LIST_HEAD(&p->mcast_list);
11040
11041 netdev_for_each_mc_addr(ha, bp->dev) {
11042 mc_mac->mac = bnx2x_mc_addr(ha);
11043 list_add_tail(&mc_mac->link, &p->mcast_list);
11044 mc_mac++;
11045 }
11046
11047 p->mcast_list_len = mc_count;
11048
11049 return 0;
11050}
11051
Eric Dumazet1191cb82012-04-27 21:39:21 +000011052static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011053 struct bnx2x_mcast_ramrod_params *p)
11054{
11055 struct bnx2x_mcast_list_elem *mc_mac =
11056 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11057 link);
11058
11059 WARN_ON(!mc_mac);
11060 kfree(mc_mac);
11061}
11062
11063/**
11064 * bnx2x_set_uc_list - configure a new unicast MACs list.
11065 *
11066 * @bp: driver handle
11067 *
11068 * We will use zero (0) as a MAC type for these MACs.
11069 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011070static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011071{
11072 int rc;
11073 struct net_device *dev = bp->dev;
11074 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011075 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011076 unsigned long ramrod_flags = 0;
11077
11078 /* First schedule a cleanup up of old configuration */
11079 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11080 if (rc < 0) {
11081 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11082 return rc;
11083 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011084
11085 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011086 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11087 BNX2X_UC_LIST_MAC, &ramrod_flags);
11088 if (rc < 0) {
11089 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11090 rc);
11091 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011092 }
11093 }
11094
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011095 /* Execute the pending commands */
11096 __set_bit(RAMROD_CONT, &ramrod_flags);
11097 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11098 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011099}
11100
Eric Dumazet1191cb82012-04-27 21:39:21 +000011101static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011102{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011103 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011104 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011105 int rc = 0;
11106
11107 rparam.mcast_obj = &bp->mcast_obj;
11108
11109 /* first, clear all configured multicast MACs */
11110 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11111 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011112 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011113 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011114 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011115
11116 /* then, configure a new MACs list */
11117 if (netdev_mc_count(dev)) {
11118 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11119 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011120 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11121 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011122 return rc;
11123 }
11124
11125 /* Now add the new MACs */
11126 rc = bnx2x_config_mcast(bp, &rparam,
11127 BNX2X_MCAST_CMD_ADD);
11128 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011129 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11130 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011131
11132 bnx2x_free_mcast_macs_list(&rparam);
11133 }
11134
11135 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011136}
11137
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011138
11139/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011140void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011141{
11142 struct bnx2x *bp = netdev_priv(dev);
11143 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011144
11145 if (bp->state != BNX2X_STATE_OPEN) {
11146 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11147 return;
11148 }
11149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011150 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011151
11152 if (dev->flags & IFF_PROMISC)
11153 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011154 else if ((dev->flags & IFF_ALLMULTI) ||
11155 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11156 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011157 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011158 else {
11159 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011160 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011161 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011162
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011163 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011164 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011165 }
11166
11167 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011168#ifdef BCM_CNIC
11169 /* handle ISCSI SD mode */
11170 if (IS_MF_ISCSI_SD(bp))
11171 bp->rx_mode = BNX2X_RX_MODE_NONE;
11172#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011173
11174 /* Schedule the rx_mode command */
11175 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11176 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11177 return;
11178 }
11179
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011180 bnx2x_set_storm_rx_mode(bp);
11181}
11182
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011183/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011184static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11185 int devad, u16 addr)
11186{
11187 struct bnx2x *bp = netdev_priv(netdev);
11188 u16 value;
11189 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011190
11191 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11192 prtad, devad, addr);
11193
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011194 /* The HW expects different devad if CL22 is used */
11195 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11196
11197 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011198 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011199 bnx2x_release_phy_lock(bp);
11200 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11201
11202 if (!rc)
11203 rc = value;
11204 return rc;
11205}
11206
11207/* called with rtnl_lock */
11208static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11209 u16 addr, u16 value)
11210{
11211 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011212 int rc;
11213
Merav Sicron51c1a582012-03-18 10:33:38 +000011214 DP(NETIF_MSG_LINK,
11215 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11216 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011217
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011218 /* The HW expects different devad if CL22 is used */
11219 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11220
11221 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011222 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011223 bnx2x_release_phy_lock(bp);
11224 return rc;
11225}
11226
11227/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011228static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11229{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011230 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011231 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011232
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011233 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11234 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011235
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011236 if (!netif_running(dev))
11237 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011238
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011239 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011240}
11241
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011242#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011243static void poll_bnx2x(struct net_device *dev)
11244{
11245 struct bnx2x *bp = netdev_priv(dev);
11246
11247 disable_irq(bp->pdev->irq);
11248 bnx2x_interrupt(bp->pdev->irq, dev);
11249 enable_irq(bp->pdev->irq);
11250}
11251#endif
11252
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011253static int bnx2x_validate_addr(struct net_device *dev)
11254{
11255 struct bnx2x *bp = netdev_priv(dev);
11256
Merav Sicron51c1a582012-03-18 10:33:38 +000011257 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11258 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011259 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011260 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011261 return 0;
11262}
11263
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011264static const struct net_device_ops bnx2x_netdev_ops = {
11265 .ndo_open = bnx2x_open,
11266 .ndo_stop = bnx2x_close,
11267 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011268 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011269 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011270 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011271 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011272 .ndo_do_ioctl = bnx2x_ioctl,
11273 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011274 .ndo_fix_features = bnx2x_fix_features,
11275 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011276 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011277#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011278 .ndo_poll_controller = poll_bnx2x,
11279#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011280 .ndo_setup_tc = bnx2x_setup_tc,
11281
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011282#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
11283 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11284#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011285};
11286
Eric Dumazet1191cb82012-04-27 21:39:21 +000011287static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011288{
11289 struct device *dev = &bp->pdev->dev;
11290
11291 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11292 bp->flags |= USING_DAC_FLAG;
11293 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011294 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011295 return -EIO;
11296 }
11297 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11298 dev_err(dev, "System does not support DMA, aborting\n");
11299 return -EIO;
11300 }
11301
11302 return 0;
11303}
11304
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011305static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011306 struct net_device *dev,
11307 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011308{
11309 struct bnx2x *bp;
11310 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011311 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011312 bool chip_is_e1x = (board_type == BCM57710 ||
11313 board_type == BCM57711 ||
11314 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011315
11316 SET_NETDEV_DEV(dev, &pdev->dev);
11317 bp = netdev_priv(dev);
11318
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011319 bp->dev = dev;
11320 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011321 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011322
11323 rc = pci_enable_device(pdev);
11324 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011325 dev_err(&bp->pdev->dev,
11326 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011327 goto err_out;
11328 }
11329
11330 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011331 dev_err(&bp->pdev->dev,
11332 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011333 rc = -ENODEV;
11334 goto err_out_disable;
11335 }
11336
11337 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011338 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11339 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011340 rc = -ENODEV;
11341 goto err_out_disable;
11342 }
11343
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011344 if (atomic_read(&pdev->enable_cnt) == 1) {
11345 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11346 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011347 dev_err(&bp->pdev->dev,
11348 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011349 goto err_out_disable;
11350 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011351
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011352 pci_set_master(pdev);
11353 pci_save_state(pdev);
11354 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011355
11356 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11357 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011358 dev_err(&bp->pdev->dev,
11359 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011360 rc = -EIO;
11361 goto err_out_release;
11362 }
11363
Jon Mason77c98e62011-06-27 07:45:12 +000011364 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011365 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011366 rc = -EIO;
11367 goto err_out_release;
11368 }
11369
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011370 rc = bnx2x_set_coherency_mask(bp);
11371 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011372 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011373
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011374 dev->mem_start = pci_resource_start(pdev, 0);
11375 dev->base_addr = dev->mem_start;
11376 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011377
11378 dev->irq = pdev->irq;
11379
Arjan van de Ven275f1652008-10-20 21:42:39 -070011380 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011381 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011382 dev_err(&bp->pdev->dev,
11383 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011384 rc = -ENOMEM;
11385 goto err_out_release;
11386 }
11387
Ariel Eliorc22610d02012-01-26 06:01:47 +000011388 /* In E1/E1H use pci device function given by kernel.
11389 * In E2/E3 read physical function from ME register since these chips
11390 * support Physical Device Assignment where kernel BDF maybe arbitrary
11391 * (depending on hypervisor).
11392 */
11393 if (chip_is_e1x)
11394 bp->pf_num = PCI_FUNC(pdev->devfn);
11395 else {/* chip is E2/3*/
11396 pci_read_config_dword(bp->pdev,
11397 PCICFG_ME_REGISTER, &pci_cfg_dword);
11398 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11399 ME_REG_ABS_PF_NUM_SHIFT);
11400 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011401 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011402
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011403 bnx2x_set_power_state(bp, PCI_D0);
11404
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011405 /* clean indirect addresses */
11406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11407 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011408 /*
11409 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011410 * is not used by the driver.
11411 */
11412 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11413 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11414 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11415 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011416
Ariel Elior65087cf2012-01-23 07:31:55 +000011417 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011418 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11419 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11420 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11421 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11422 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011423
Shmulik Ravid21894002011-07-24 03:57:04 +000011424 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011425 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011426 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011427 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011428 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011429 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011430
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011431 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000011432 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011433
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011434 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011435
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011436 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011437 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011438
Jiri Pirko01789342011-08-16 06:29:00 +000011439 dev->priv_flags |= IFF_UNICAST_FLT;
11440
Michał Mirosław66371c42011-04-12 09:38:23 +000011441 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011442 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11443 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11444 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011445
11446 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11447 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11448
11449 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011450 if (bp->flags & USING_DAC_FLAG)
11451 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011452
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011453 /* Add Loopback capability to the device */
11454 dev->hw_features |= NETIF_F_LOOPBACK;
11455
Shmulik Ravid98507672011-02-28 12:19:55 -080011456#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011457 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11458#endif
11459
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011460 /* get_port_hwinfo() will set prtad and mmds properly */
11461 bp->mdio.prtad = MDIO_PRTAD_NONE;
11462 bp->mdio.mmds = 0;
11463 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11464 bp->mdio.dev = dev;
11465 bp->mdio.mdio_read = bnx2x_mdio_read;
11466 bp->mdio.mdio_write = bnx2x_mdio_write;
11467
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011468 return 0;
11469
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011470err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011471 if (atomic_read(&pdev->enable_cnt) == 1)
11472 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011473
11474err_out_disable:
11475 pci_disable_device(pdev);
11476 pci_set_drvdata(pdev, NULL);
11477
11478err_out:
11479 return rc;
11480}
11481
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011482static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11483 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011484{
11485 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11486
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011487 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11488
11489 /* return value of 1=2.5GHz 2=5GHz */
11490 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011491}
11492
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011493static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011494{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011495 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011496 struct bnx2x_fw_file_hdr *fw_hdr;
11497 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011498 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011499 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011500 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011501 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011502
Merav Sicron51c1a582012-03-18 10:33:38 +000011503 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11504 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011505 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011506 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011507
11508 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11509 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11510
11511 /* Make sure none of the offsets and sizes make us read beyond
11512 * the end of the firmware data */
11513 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11514 offset = be32_to_cpu(sections[i].offset);
11515 len = be32_to_cpu(sections[i].len);
11516 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011517 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011518 return -EINVAL;
11519 }
11520 }
11521
11522 /* Likewise for the init_ops offsets */
11523 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11524 ops_offsets = (u16 *)(firmware->data + offset);
11525 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11526
11527 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11528 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011529 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011530 return -EINVAL;
11531 }
11532 }
11533
11534 /* Check FW version */
11535 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11536 fw_ver = firmware->data + offset;
11537 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11538 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11539 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11540 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011541 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11542 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11543 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011544 BCM_5710_FW_MINOR_VERSION,
11545 BCM_5710_FW_REVISION_VERSION,
11546 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011547 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011548 }
11549
11550 return 0;
11551}
11552
Eric Dumazet1191cb82012-04-27 21:39:21 +000011553static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011554{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011555 const __be32 *source = (const __be32 *)_source;
11556 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011557 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011558
11559 for (i = 0; i < n/4; i++)
11560 target[i] = be32_to_cpu(source[i]);
11561}
11562
11563/*
11564 Ops array is stored in the following format:
11565 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11566 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011567static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011568{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011569 const __be32 *source = (const __be32 *)_source;
11570 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011571 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011572
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011573 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011574 tmp = be32_to_cpu(source[j]);
11575 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011576 target[i].offset = tmp & 0xffffff;
11577 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011578 }
11579}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011580
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011581/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011582 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11583 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011584static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011585{
11586 const __be32 *source = (const __be32 *)_source;
11587 struct iro *target = (struct iro *)_target;
11588 u32 i, j, tmp;
11589
11590 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11591 target[i].base = be32_to_cpu(source[j]);
11592 j++;
11593 tmp = be32_to_cpu(source[j]);
11594 target[i].m1 = (tmp >> 16) & 0xffff;
11595 target[i].m2 = tmp & 0xffff;
11596 j++;
11597 tmp = be32_to_cpu(source[j]);
11598 target[i].m3 = (tmp >> 16) & 0xffff;
11599 target[i].size = tmp & 0xffff;
11600 j++;
11601 }
11602}
11603
Eric Dumazet1191cb82012-04-27 21:39:21 +000011604static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011605{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011606 const __be16 *source = (const __be16 *)_source;
11607 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011608 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011609
11610 for (i = 0; i < n/2; i++)
11611 target[i] = be16_to_cpu(source[i]);
11612}
11613
Joe Perches7995c642010-02-17 15:01:52 +000011614#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11615do { \
11616 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11617 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011618 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011619 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011620 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11621 (u8 *)bp->arr, len); \
11622} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011623
Yuval Mintz3b603062012-03-18 10:33:39 +000011624static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011625{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011626 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011627 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011628 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011629
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011630 if (bp->firmware)
11631 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011632
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011633 if (CHIP_IS_E1(bp))
11634 fw_file_name = FW_FILE_NAME_E1;
11635 else if (CHIP_IS_E1H(bp))
11636 fw_file_name = FW_FILE_NAME_E1H;
11637 else if (!CHIP_IS_E1x(bp))
11638 fw_file_name = FW_FILE_NAME_E2;
11639 else {
11640 BNX2X_ERR("Unsupported chip revision\n");
11641 return -EINVAL;
11642 }
11643 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011644
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011645 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11646 if (rc) {
11647 BNX2X_ERR("Can't load firmware file %s\n",
11648 fw_file_name);
11649 goto request_firmware_exit;
11650 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011651
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011652 rc = bnx2x_check_firmware(bp);
11653 if (rc) {
11654 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11655 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011656 }
11657
11658 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11659
11660 /* Initialize the pointers to the init arrays */
11661 /* Blob */
11662 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11663
11664 /* Opcodes */
11665 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11666
11667 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011668 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11669 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011670
11671 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011672 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11673 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11674 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11675 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11676 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11677 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11678 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11679 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11680 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11681 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11682 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11683 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11684 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11685 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11686 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11687 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011688 /* IRO */
11689 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011690
11691 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011692
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011693iro_alloc_err:
11694 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011695init_offsets_alloc_err:
11696 kfree(bp->init_ops);
11697init_ops_alloc_err:
11698 kfree(bp->init_data);
11699request_firmware_exit:
11700 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011701 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011702
11703 return rc;
11704}
11705
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011706static void bnx2x_release_firmware(struct bnx2x *bp)
11707{
11708 kfree(bp->init_ops_offsets);
11709 kfree(bp->init_ops);
11710 kfree(bp->init_data);
11711 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011712 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011713}
11714
11715
11716static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11717 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11718 .init_hw_cmn = bnx2x_init_hw_common,
11719 .init_hw_port = bnx2x_init_hw_port,
11720 .init_hw_func = bnx2x_init_hw_func,
11721
11722 .reset_hw_cmn = bnx2x_reset_common,
11723 .reset_hw_port = bnx2x_reset_port,
11724 .reset_hw_func = bnx2x_reset_func,
11725
11726 .gunzip_init = bnx2x_gunzip_init,
11727 .gunzip_end = bnx2x_gunzip_end,
11728
11729 .init_fw = bnx2x_init_firmware,
11730 .release_fw = bnx2x_release_firmware,
11731};
11732
11733void bnx2x__init_func_obj(struct bnx2x *bp)
11734{
11735 /* Prepare DMAE related driver resources */
11736 bnx2x_setup_dmae(bp);
11737
11738 bnx2x_init_func_obj(bp, &bp->func_obj,
11739 bnx2x_sp(bp, func_rdata),
11740 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011741 bnx2x_sp(bp, func_afex_rdata),
11742 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011743 &bnx2x_func_sp_drv);
11744}
11745
11746/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011747static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011748{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011749 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011750
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011751#ifdef BCM_CNIC
11752 cid_count += CNIC_CID_MAX;
11753#endif
11754 return roundup(cid_count, QM_CID_ROUND);
11755}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011756
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011757/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011758 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011759 *
11760 * @dev: pci device
11761 *
11762 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011763static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011764{
11765 int pos;
11766 u16 control;
11767
11768 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011769
Ariel Elior6383c0b2011-07-14 08:31:57 +000011770 /*
11771 * If MSI-X is not supported - return number of SBs needed to support
11772 * one fast path queue: one FP queue + SB for CNIC
11773 */
11774 if (!pos)
11775 return 1 + CNIC_PRESENT;
11776
11777 /*
11778 * The value in the PCI configuration space is the index of the last
11779 * entry, namely one less than the actual size of the table, which is
11780 * exactly what we want to return from this function: number of all SBs
11781 * without the default SB.
11782 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011783 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011784 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011785}
11786
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011787static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11788 const struct pci_device_id *ent)
11789{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011790 struct net_device *dev = NULL;
11791 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011792 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011793 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011794 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011795 /*
11796 * An estimated maximum supported CoS number according to the chip
11797 * version.
11798 * We will try to roughly estimate the maximum number of CoSes this chip
11799 * may support in order to minimize the memory allocated for Tx
11800 * netdev_queue's. This number will be accurately calculated during the
11801 * initialization of bp->max_cos based on the chip versions AND chip
11802 * revision in the bnx2x_init_bp().
11803 */
11804 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011805
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011806 switch (ent->driver_data) {
11807 case BCM57710:
11808 case BCM57711:
11809 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011810 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11811 break;
11812
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011813 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011814 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011815 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11816 break;
11817
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011818 case BCM57800:
11819 case BCM57800_MF:
11820 case BCM57810:
11821 case BCM57810_MF:
Yuval Mintzc3def942012-07-23 10:25:43 +030011822 case BCM57840_O:
11823 case BCM57840_4_10:
11824 case BCM57840_2_20:
11825 case BCM57840_MFO:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011826 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011827 case BCM57811:
11828 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011829 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011830 break;
11831
11832 default:
11833 pr_err("Unknown board_type (%ld), aborting\n",
11834 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011835 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011836 }
11837
Ariel Elior6383c0b2011-07-14 08:31:57 +000011838 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11839
Ariel Elior6383c0b2011-07-14 08:31:57 +000011840 WARN_ON(!max_non_def_sbs);
11841
11842 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11843 rss_count = max_non_def_sbs - CNIC_PRESENT;
11844
11845 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11846 rx_count = rss_count + FCOE_PRESENT;
11847
11848 /*
11849 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000011850 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000011851 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011852 tx_count = rss_count * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011853
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011854 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011855 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011856 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011857 return -ENOMEM;
11858
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011859 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011860
Ariel Elior6383c0b2011-07-14 08:31:57 +000011861 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011862 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011863 pci_set_drvdata(pdev, dev);
11864
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011865 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011866 if (rc < 0) {
11867 free_netdev(dev);
11868 return rc;
11869 }
11870
Merav Sicron51c1a582012-03-18 10:33:38 +000011871 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011872
Merav Sicron60aa0502012-06-19 07:48:29 +000011873 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
11874 tx_count, rx_count);
11875
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011876 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011877 if (rc)
11878 goto init_one_exit;
11879
Ariel Elior6383c0b2011-07-14 08:31:57 +000011880 /*
11881 * Map doorbels here as we need the real value of bp->max_cos which
11882 * is initialized in bnx2x_init_bp().
11883 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011884 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
11885 if (doorbell_size > pci_resource_len(pdev, 2)) {
11886 dev_err(&bp->pdev->dev,
11887 "Cannot map doorbells, bar size too small, aborting\n");
11888 rc = -ENOMEM;
11889 goto init_one_exit;
11890 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000011891 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000011892 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011893 if (!bp->doorbells) {
11894 dev_err(&bp->pdev->dev,
11895 "Cannot map doorbell space, aborting\n");
11896 rc = -ENOMEM;
11897 goto init_one_exit;
11898 }
11899
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011900 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011901 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011902
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011903#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011904 /* disable FCOE L2 queue for E1x */
11905 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011906 bp->flags |= NO_FCOE_FLAG;
11907
11908#endif
11909
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011910
11911 /* Set bp->num_queues for MSI-X mode*/
11912 bnx2x_set_num_queues(bp);
11913
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011914 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011915 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011916 */
11917 bnx2x_set_int_mode(bp);
11918
11919 /* Add all NAPI objects */
11920 bnx2x_add_all_napi(bp);
11921
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011922 rc = register_netdev(dev);
11923 if (rc) {
11924 dev_err(&pdev->dev, "Cannot register net device\n");
11925 goto init_one_exit;
11926 }
11927
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011928#ifdef BCM_CNIC
11929 if (!NO_FCOE(bp)) {
11930 /* Add storage MAC address */
11931 rtnl_lock();
11932 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11933 rtnl_unlock();
11934 }
11935#endif
11936
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011937 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011938
Merav Sicron51c1a582012-03-18 10:33:38 +000011939 BNX2X_DEV_INFO(
11940 "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
Joe Perches94f05b02011-08-14 12:16:20 +000011941 board_info[ent->driver_data].name,
11942 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11943 pcie_width,
11944 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11945 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11946 "5GHz (Gen2)" : "2.5GHz",
11947 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011948
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011949 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011950
11951init_one_exit:
11952 if (bp->regview)
11953 iounmap(bp->regview);
11954
11955 if (bp->doorbells)
11956 iounmap(bp->doorbells);
11957
11958 free_netdev(dev);
11959
11960 if (atomic_read(&pdev->enable_cnt) == 1)
11961 pci_release_regions(pdev);
11962
11963 pci_disable_device(pdev);
11964 pci_set_drvdata(pdev, NULL);
11965
11966 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011967}
11968
11969static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11970{
11971 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011972 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011973
Eliezer Tamir228241e2008-02-28 11:56:57 -080011974 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011975 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011976 return;
11977 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011978 bp = netdev_priv(dev);
11979
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011980#ifdef BCM_CNIC
11981 /* Delete storage MAC address */
11982 if (!NO_FCOE(bp)) {
11983 rtnl_lock();
11984 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11985 rtnl_unlock();
11986 }
11987#endif
11988
Shmulik Ravid98507672011-02-28 12:19:55 -080011989#ifdef BCM_DCBNL
11990 /* Delete app tlvs from dcbnl */
11991 bnx2x_dcbnl_update_applist(bp, true);
11992#endif
11993
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011994 unregister_netdev(dev);
11995
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011996 /* Delete all NAPI objects */
11997 bnx2x_del_all_napi(bp);
11998
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011999 /* Power on: we can't let PCI layer write to us while we are in D3 */
12000 bnx2x_set_power_state(bp, PCI_D0);
12001
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012002 /* Disable MSI/MSI-X */
12003 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012004
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012005 /* Power off */
12006 bnx2x_set_power_state(bp, PCI_D3hot);
12007
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012008 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012009 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012010
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012011 if (bp->regview)
12012 iounmap(bp->regview);
12013
12014 if (bp->doorbells)
12015 iounmap(bp->doorbells);
12016
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012017 bnx2x_release_firmware(bp);
12018
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012019 bnx2x_free_mem_bp(bp);
12020
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012021 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012022
12023 if (atomic_read(&pdev->enable_cnt) == 1)
12024 pci_release_regions(pdev);
12025
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012026 pci_disable_device(pdev);
12027 pci_set_drvdata(pdev, NULL);
12028}
12029
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012030static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12031{
12032 int i;
12033
12034 bp->state = BNX2X_STATE_ERROR;
12035
12036 bp->rx_mode = BNX2X_RX_MODE_NONE;
12037
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012038#ifdef BCM_CNIC
12039 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12040#endif
12041 /* Stop Tx */
12042 bnx2x_tx_disable(bp);
12043
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012044 bnx2x_netif_stop(bp, 0);
12045
12046 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012047
12048 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012049
12050 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012051 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012052
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012053 /* Free SKBs, SGEs, TPA pool and driver internals */
12054 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012055
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012056 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012057 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012058
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012059 bnx2x_free_mem(bp);
12060
12061 bp->state = BNX2X_STATE_CLOSED;
12062
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012063 netif_carrier_off(bp->dev);
12064
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012065 return 0;
12066}
12067
12068static void bnx2x_eeh_recover(struct bnx2x *bp)
12069{
12070 u32 val;
12071
12072 mutex_init(&bp->port.phy_mutex);
12073
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012074
12075 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12076 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12077 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12078 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012079}
12080
Wendy Xiong493adb12008-06-23 20:36:22 -070012081/**
12082 * bnx2x_io_error_detected - called when PCI error is detected
12083 * @pdev: Pointer to PCI device
12084 * @state: The current pci connection state
12085 *
12086 * This function is called after a PCI bus error affecting
12087 * this device has been detected.
12088 */
12089static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12090 pci_channel_state_t state)
12091{
12092 struct net_device *dev = pci_get_drvdata(pdev);
12093 struct bnx2x *bp = netdev_priv(dev);
12094
12095 rtnl_lock();
12096
12097 netif_device_detach(dev);
12098
Dean Nelson07ce50e2009-07-31 09:13:25 +000012099 if (state == pci_channel_io_perm_failure) {
12100 rtnl_unlock();
12101 return PCI_ERS_RESULT_DISCONNECT;
12102 }
12103
Wendy Xiong493adb12008-06-23 20:36:22 -070012104 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012105 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012106
12107 pci_disable_device(pdev);
12108
12109 rtnl_unlock();
12110
12111 /* Request a slot reset */
12112 return PCI_ERS_RESULT_NEED_RESET;
12113}
12114
12115/**
12116 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12117 * @pdev: Pointer to PCI device
12118 *
12119 * Restart the card from scratch, as if from a cold-boot.
12120 */
12121static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12122{
12123 struct net_device *dev = pci_get_drvdata(pdev);
12124 struct bnx2x *bp = netdev_priv(dev);
12125
12126 rtnl_lock();
12127
12128 if (pci_enable_device(pdev)) {
12129 dev_err(&pdev->dev,
12130 "Cannot re-enable PCI device after reset\n");
12131 rtnl_unlock();
12132 return PCI_ERS_RESULT_DISCONNECT;
12133 }
12134
12135 pci_set_master(pdev);
12136 pci_restore_state(pdev);
12137
12138 if (netif_running(dev))
12139 bnx2x_set_power_state(bp, PCI_D0);
12140
12141 rtnl_unlock();
12142
12143 return PCI_ERS_RESULT_RECOVERED;
12144}
12145
12146/**
12147 * bnx2x_io_resume - called when traffic can start flowing again
12148 * @pdev: Pointer to PCI device
12149 *
12150 * This callback is called when the error recovery driver tells us that
12151 * its OK to resume normal operation.
12152 */
12153static void bnx2x_io_resume(struct pci_dev *pdev)
12154{
12155 struct net_device *dev = pci_get_drvdata(pdev);
12156 struct bnx2x *bp = netdev_priv(dev);
12157
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012158 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012159 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012160 return;
12161 }
12162
Wendy Xiong493adb12008-06-23 20:36:22 -070012163 rtnl_lock();
12164
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012165 bnx2x_eeh_recover(bp);
12166
Wendy Xiong493adb12008-06-23 20:36:22 -070012167 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012168 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012169
12170 netif_device_attach(dev);
12171
12172 rtnl_unlock();
12173}
12174
12175static struct pci_error_handlers bnx2x_err_handler = {
12176 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012177 .slot_reset = bnx2x_io_slot_reset,
12178 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012179};
12180
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012181static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012182 .name = DRV_MODULE_NAME,
12183 .id_table = bnx2x_pci_tbl,
12184 .probe = bnx2x_init_one,
12185 .remove = __devexit_p(bnx2x_remove_one),
12186 .suspend = bnx2x_suspend,
12187 .resume = bnx2x_resume,
12188 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012189};
12190
12191static int __init bnx2x_init(void)
12192{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012193 int ret;
12194
Joe Perches7995c642010-02-17 15:01:52 +000012195 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012196
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012197 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12198 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012199 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012200 return -ENOMEM;
12201 }
12202
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012203 ret = pci_register_driver(&bnx2x_pci_driver);
12204 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012205 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012206 destroy_workqueue(bnx2x_wq);
12207 }
12208 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012209}
12210
12211static void __exit bnx2x_cleanup(void)
12212{
Yuval Mintz452427b2012-03-26 20:47:07 +000012213 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012214 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012215
12216 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012217
12218 /* Free globablly allocated resources */
12219 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12220 struct bnx2x_prev_path_list *tmp =
12221 list_entry(pos, struct bnx2x_prev_path_list, list);
12222 list_del(pos);
12223 kfree(tmp);
12224 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012225}
12226
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012227void bnx2x_notify_link_changed(struct bnx2x *bp)
12228{
12229 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12230}
12231
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012232module_init(bnx2x_init);
12233module_exit(bnx2x_cleanup);
12234
Michael Chan993ac7b2009-10-10 13:46:56 +000012235#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012236/**
12237 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12238 *
12239 * @bp: driver handle
12240 * @set: set or clear the CAM entry
12241 *
12242 * This function will wait until the ramdord completion returns.
12243 * Return 0 if success, -ENODEV if ramrod doesn't return.
12244 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012245static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012246{
12247 unsigned long ramrod_flags = 0;
12248
12249 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12250 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12251 &bp->iscsi_l2_mac_obj, true,
12252 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12253}
Michael Chan993ac7b2009-10-10 13:46:56 +000012254
12255/* count denotes the number of new completions we have seen */
12256static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12257{
12258 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012259 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012260
12261#ifdef BNX2X_STOP_ON_ERROR
12262 if (unlikely(bp->panic))
12263 return;
12264#endif
12265
12266 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012267 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012268 bp->cnic_spq_pending -= count;
12269
Michael Chan993ac7b2009-10-10 13:46:56 +000012270
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012271 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12272 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12273 & SPE_HDR_CONN_TYPE) >>
12274 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012275 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12276 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012277
12278 /* Set validation for iSCSI L2 client before sending SETUP
12279 * ramrod
12280 */
12281 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012282 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012283 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012284 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012285 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012286 (cxt_index * ILT_PAGE_CIDS);
12287 bnx2x_set_ctx_validation(bp,
12288 &bp->context[cxt_index].
12289 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012290 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012291 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012292 }
12293
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012294 /*
12295 * There may be not more than 8 L2, not more than 8 L5 SPEs
12296 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012297 * COMMON ramrods is not more than the EQ and SPQ can
12298 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012299 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012300 if (type == ETH_CONNECTION_TYPE) {
12301 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012302 break;
12303 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012304 atomic_dec(&bp->cq_spq_left);
12305 } else if (type == NONE_CONNECTION_TYPE) {
12306 if (!atomic_read(&bp->eq_spq_left))
12307 break;
12308 else
12309 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012310 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12311 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012312 if (bp->cnic_spq_pending >=
12313 bp->cnic_eth_dev.max_kwqe_pending)
12314 break;
12315 else
12316 bp->cnic_spq_pending++;
12317 } else {
12318 BNX2X_ERR("Unknown SPE type: %d\n", type);
12319 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012320 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012321 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012322
12323 spe = bnx2x_sp_get_next(bp);
12324 *spe = *bp->cnic_kwq_cons;
12325
Merav Sicron51c1a582012-03-18 10:33:38 +000012326 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012327 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12328
12329 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12330 bp->cnic_kwq_cons = bp->cnic_kwq;
12331 else
12332 bp->cnic_kwq_cons++;
12333 }
12334 bnx2x_sp_prod_update(bp);
12335 spin_unlock_bh(&bp->spq_lock);
12336}
12337
12338static int bnx2x_cnic_sp_queue(struct net_device *dev,
12339 struct kwqe_16 *kwqes[], u32 count)
12340{
12341 struct bnx2x *bp = netdev_priv(dev);
12342 int i;
12343
12344#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012345 if (unlikely(bp->panic)) {
12346 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012347 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012348 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012349#endif
12350
Ariel Elior95c6c6162012-01-26 06:01:52 +000012351 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12352 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012353 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012354 return -EAGAIN;
12355 }
12356
Michael Chan993ac7b2009-10-10 13:46:56 +000012357 spin_lock_bh(&bp->spq_lock);
12358
12359 for (i = 0; i < count; i++) {
12360 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12361
12362 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12363 break;
12364
12365 *bp->cnic_kwq_prod = *spe;
12366
12367 bp->cnic_kwq_pending++;
12368
Merav Sicron51c1a582012-03-18 10:33:38 +000012369 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012370 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012371 spe->data.update_data_addr.hi,
12372 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012373 bp->cnic_kwq_pending);
12374
12375 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12376 bp->cnic_kwq_prod = bp->cnic_kwq;
12377 else
12378 bp->cnic_kwq_prod++;
12379 }
12380
12381 spin_unlock_bh(&bp->spq_lock);
12382
12383 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12384 bnx2x_cnic_sp_post(bp, 0);
12385
12386 return i;
12387}
12388
12389static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12390{
12391 struct cnic_ops *c_ops;
12392 int rc = 0;
12393
12394 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012395 c_ops = rcu_dereference_protected(bp->cnic_ops,
12396 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012397 if (c_ops)
12398 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12399 mutex_unlock(&bp->cnic_mutex);
12400
12401 return rc;
12402}
12403
12404static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12405{
12406 struct cnic_ops *c_ops;
12407 int rc = 0;
12408
12409 rcu_read_lock();
12410 c_ops = rcu_dereference(bp->cnic_ops);
12411 if (c_ops)
12412 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12413 rcu_read_unlock();
12414
12415 return rc;
12416}
12417
12418/*
12419 * for commands that have no data
12420 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012421int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012422{
12423 struct cnic_ctl_info ctl = {0};
12424
12425 ctl.cmd = cmd;
12426
12427 return bnx2x_cnic_ctl_send(bp, &ctl);
12428}
12429
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012430static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012431{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012432 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012433
12434 /* first we tell CNIC and only then we count this as a completion */
12435 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12436 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012437 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012438
12439 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012440 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012441}
12442
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012443
12444/* Called with netif_addr_lock_bh() taken.
12445 * Sets an rx_mode config for an iSCSI ETH client.
12446 * Doesn't block.
12447 * Completion should be checked outside.
12448 */
12449static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12450{
12451 unsigned long accept_flags = 0, ramrod_flags = 0;
12452 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12453 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12454
12455 if (start) {
12456 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12457 * because it's the only way for UIO Queue to accept
12458 * multicasts (in non-promiscuous mode only one Queue per
12459 * function will receive multicast packets (leading in our
12460 * case).
12461 */
12462 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12463 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12464 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12465 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12466
12467 /* Clear STOP_PENDING bit if START is requested */
12468 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12469
12470 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12471 } else
12472 /* Clear START_PENDING bit if STOP is requested */
12473 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12474
12475 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12476 set_bit(sched_state, &bp->sp_state);
12477 else {
12478 __set_bit(RAMROD_RX, &ramrod_flags);
12479 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12480 ramrod_flags);
12481 }
12482}
12483
12484
Michael Chan993ac7b2009-10-10 13:46:56 +000012485static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12486{
12487 struct bnx2x *bp = netdev_priv(dev);
12488 int rc = 0;
12489
12490 switch (ctl->cmd) {
12491 case DRV_CTL_CTXTBL_WR_CMD: {
12492 u32 index = ctl->data.io.offset;
12493 dma_addr_t addr = ctl->data.io.dma_addr;
12494
12495 bnx2x_ilt_wr(bp, index, addr);
12496 break;
12497 }
12498
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012499 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12500 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012501
12502 bnx2x_cnic_sp_post(bp, count);
12503 break;
12504 }
12505
12506 /* rtnl_lock is held. */
12507 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012508 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12509 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012511 /* Configure the iSCSI classification object */
12512 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12513 cp->iscsi_l2_client_id,
12514 cp->iscsi_l2_cid, BP_FUNC(bp),
12515 bnx2x_sp(bp, mac_rdata),
12516 bnx2x_sp_mapping(bp, mac_rdata),
12517 BNX2X_FILTER_MAC_PENDING,
12518 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12519 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012520
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012521 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012522 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12523 if (rc)
12524 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012525
12526 mmiowb();
12527 barrier();
12528
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012529 /* Start accepting on iSCSI L2 ring */
12530
12531 netif_addr_lock_bh(dev);
12532 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12533 netif_addr_unlock_bh(dev);
12534
12535 /* bits to wait on */
12536 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12537 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12538
12539 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12540 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012541
Michael Chan993ac7b2009-10-10 13:46:56 +000012542 break;
12543 }
12544
12545 /* rtnl_lock is held. */
12546 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012547 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012548
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012549 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012550 netif_addr_lock_bh(dev);
12551 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12552 netif_addr_unlock_bh(dev);
12553
12554 /* bits to wait on */
12555 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12556 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12557
12558 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12559 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012560
12561 mmiowb();
12562 barrier();
12563
12564 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012565 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12566 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012567 break;
12568 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012569 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12570 int count = ctl->data.credit.credit_count;
12571
12572 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012573 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012574 smp_mb__after_atomic_inc();
12575 break;
12576 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012577 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012578 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012579
12580 if (CHIP_IS_E3(bp)) {
12581 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012582 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12583 int path = BP_PATH(bp);
12584 int port = BP_PORT(bp);
12585 int i;
12586 u32 scratch_offset;
12587 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012588
Barak Witkowski2e499d32012-06-26 01:31:19 +000012589 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012590 if (ulp_type == CNIC_ULP_ISCSI)
12591 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12592 else if (ulp_type == CNIC_ULP_FCOE)
12593 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12594 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012595
12596 if ((ulp_type != CNIC_ULP_FCOE) ||
12597 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12598 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12599 break;
12600
12601 /* if reached here - should write fcoe capabilities */
12602 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12603 if (!scratch_offset)
12604 break;
12605 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12606 fcoe_features[path][port]);
12607 host_addr = (u32 *) &(ctl->data.register_data.
12608 fcoe_features);
12609 for (i = 0; i < sizeof(struct fcoe_capabilities);
12610 i += 4)
12611 REG_WR(bp, scratch_offset + i,
12612 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012613 }
12614 break;
12615 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012616
Barak Witkowski1d187b32011-12-05 22:41:50 +000012617 case DRV_CTL_ULP_UNREGISTER_CMD: {
12618 int ulp_type = ctl->data.ulp_type;
12619
12620 if (CHIP_IS_E3(bp)) {
12621 int idx = BP_FW_MB_IDX(bp);
12622 u32 cap;
12623
12624 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12625 if (ulp_type == CNIC_ULP_ISCSI)
12626 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12627 else if (ulp_type == CNIC_ULP_FCOE)
12628 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12629 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12630 }
12631 break;
12632 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012633
12634 default:
12635 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12636 rc = -EINVAL;
12637 }
12638
12639 return rc;
12640}
12641
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012642void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012643{
12644 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12645
12646 if (bp->flags & USING_MSIX_FLAG) {
12647 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12648 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12649 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12650 } else {
12651 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12652 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12653 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012654 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012655 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12656 else
12657 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012659 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12660 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012661 cp->irq_arr[1].status_blk = bp->def_status_blk;
12662 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012663 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012664
12665 cp->num_irq = 2;
12666}
12667
Merav Sicron37ae41a2012-06-19 07:48:27 +000012668void bnx2x_setup_cnic_info(struct bnx2x *bp)
12669{
12670 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12671
12672
12673 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12674 bnx2x_cid_ilt_lines(bp);
12675 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12676 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12677 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12678
12679 if (NO_ISCSI_OOO(bp))
12680 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12681}
12682
Michael Chan993ac7b2009-10-10 13:46:56 +000012683static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12684 void *data)
12685{
12686 struct bnx2x *bp = netdev_priv(dev);
12687 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12688
Merav Sicron51c1a582012-03-18 10:33:38 +000012689 if (ops == NULL) {
12690 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012691 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012692 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012693
Michael Chan993ac7b2009-10-10 13:46:56 +000012694 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12695 if (!bp->cnic_kwq)
12696 return -ENOMEM;
12697
12698 bp->cnic_kwq_cons = bp->cnic_kwq;
12699 bp->cnic_kwq_prod = bp->cnic_kwq;
12700 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12701
12702 bp->cnic_spq_pending = 0;
12703 bp->cnic_kwq_pending = 0;
12704
12705 bp->cnic_data = data;
12706
12707 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012708 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012709 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012710
Michael Chan993ac7b2009-10-10 13:46:56 +000012711 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012712
Michael Chan993ac7b2009-10-10 13:46:56 +000012713 rcu_assign_pointer(bp->cnic_ops, ops);
12714
12715 return 0;
12716}
12717
12718static int bnx2x_unregister_cnic(struct net_device *dev)
12719{
12720 struct bnx2x *bp = netdev_priv(dev);
12721 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12722
12723 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012724 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012725 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012726 mutex_unlock(&bp->cnic_mutex);
12727 synchronize_rcu();
12728 kfree(bp->cnic_kwq);
12729 bp->cnic_kwq = NULL;
12730
12731 return 0;
12732}
12733
12734struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12735{
12736 struct bnx2x *bp = netdev_priv(dev);
12737 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12738
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012739 /* If both iSCSI and FCoE are disabled - return NULL in
12740 * order to indicate CNIC that it should not try to work
12741 * with this device.
12742 */
12743 if (NO_ISCSI(bp) && NO_FCOE(bp))
12744 return NULL;
12745
Michael Chan993ac7b2009-10-10 13:46:56 +000012746 cp->drv_owner = THIS_MODULE;
12747 cp->chip_id = CHIP_ID(bp);
12748 cp->pdev = bp->pdev;
12749 cp->io_base = bp->regview;
12750 cp->io_base2 = bp->doorbells;
12751 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012752 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012753 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12754 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012755 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012756 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012757 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12758 cp->drv_ctl = bnx2x_drv_ctl;
12759 cp->drv_register_cnic = bnx2x_register_cnic;
12760 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012761 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012762 cp->iscsi_l2_client_id =
12763 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012764 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012765
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012766 if (NO_ISCSI_OOO(bp))
12767 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12768
12769 if (NO_ISCSI(bp))
12770 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12771
12772 if (NO_FCOE(bp))
12773 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12774
Merav Sicron51c1a582012-03-18 10:33:38 +000012775 BNX2X_DEV_INFO(
12776 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012777 cp->ctx_blk_size,
12778 cp->ctx_tbl_offset,
12779 cp->ctx_tbl_len,
12780 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012781 return cp;
12782}
12783EXPORT_SYMBOL(bnx2x_cnic_probe);
12784
12785#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012786