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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{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001165 u16 status;
1166
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001167 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001168 return status & PCI_EXP_DEVSTA_TRPND;
1169}
1170
1171/* PF FLR specific routines
1172*/
1173static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1174{
1175
1176 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1177 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1178 CFC_REG_NUM_LCIDS_INSIDE_PF,
1179 "CFC PF usage counter timed out",
1180 poll_cnt))
1181 return 1;
1182
1183
1184 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1185 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1186 DORQ_REG_PF_USAGE_CNT,
1187 "DQ PF usage counter timed out",
1188 poll_cnt))
1189 return 1;
1190
1191 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1192 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1193 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1194 "QM PF usage counter timed out",
1195 poll_cnt))
1196 return 1;
1197
1198 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1199 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1200 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1201 "Timers VNIC usage counter timed out",
1202 poll_cnt))
1203 return 1;
1204 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1205 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1206 "Timers NUM_SCANS usage counter timed out",
1207 poll_cnt))
1208 return 1;
1209
1210 /* Wait DMAE PF usage counter to zero */
1211 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1212 dmae_reg_go_c[INIT_DMAE_C(bp)],
1213 "DMAE dommand register timed out",
1214 poll_cnt))
1215 return 1;
1216
1217 return 0;
1218}
1219
1220static void bnx2x_hw_enable_status(struct bnx2x *bp)
1221{
1222 u32 val;
1223
1224 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1225 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1226
1227 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1228 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1229
1230 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1231 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1232
1233 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1234 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1235
1236 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1237 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1238
1239 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1240 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1241
1242 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1243 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1244
1245 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1246 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1247 val);
1248}
1249
1250static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1251{
1252 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1253
1254 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1255
1256 /* Re-enable PF target read access */
1257 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1258
1259 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001260 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001261 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1262 return -EBUSY;
1263
1264 /* Zero the igu 'trailing edge' and 'leading edge' */
1265
1266 /* Send the FW cleanup command */
1267 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1268 return -EBUSY;
1269
1270 /* ATC cleanup */
1271
1272 /* Verify TX hw is flushed */
1273 bnx2x_tx_hw_flushed(bp, poll_cnt);
1274
1275 /* Wait 100ms (not adjusted according to platform) */
1276 msleep(100);
1277
1278 /* Verify no pending pci transactions */
1279 if (bnx2x_is_pcie_pending(bp->pdev))
1280 BNX2X_ERR("PCIE Transactions still pending\n");
1281
1282 /* Debug */
1283 bnx2x_hw_enable_status(bp);
1284
1285 /*
1286 * Master enable - Due to WB DMAE writes performed before this
1287 * register is re-initialized as part of the regular function init
1288 */
1289 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1290
1291 return 0;
1292}
1293
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001294static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001295{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001296 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001297 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1298 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001299 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1300 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1301 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001304 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1305 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001306 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1307 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001308 if (single_msix)
1309 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001310 } else if (msi) {
1311 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1312 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1313 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1314 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001315 } else {
1316 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001317 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1319 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001320
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001321 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001322 DP(NETIF_MSG_IFUP,
1323 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001324
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001325 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001326
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001327 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1328 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001329 }
1330
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001331 if (CHIP_IS_E1(bp))
1332 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1333
Merav Sicron51c1a582012-03-18 10:33:38 +00001334 DP(NETIF_MSG_IFUP,
1335 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1336 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001337
1338 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001339 /*
1340 * Ensure that HC_CONFIG is written before leading/trailing edge config
1341 */
1342 mmiowb();
1343 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001344
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001345 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001346 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001347 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001348 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001349 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001350 /* enable nig and gpio3 attention */
1351 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001352 } else
1353 val = 0xffff;
1354
1355 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1356 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1357 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001358
1359 /* Make sure that interrupts are indeed enabled from here on */
1360 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001361}
1362
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001363static void bnx2x_igu_int_enable(struct bnx2x *bp)
1364{
1365 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001366 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1367 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1368 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001369
1370 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1371
1372 if (msix) {
1373 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1374 IGU_PF_CONF_SINGLE_ISR_EN);
1375 val |= (IGU_PF_CONF_FUNC_EN |
1376 IGU_PF_CONF_MSI_MSIX_EN |
1377 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001378
1379 if (single_msix)
1380 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001381 } else if (msi) {
1382 val &= ~IGU_PF_CONF_INT_LINE_EN;
1383 val |= (IGU_PF_CONF_FUNC_EN |
1384 IGU_PF_CONF_MSI_MSIX_EN |
1385 IGU_PF_CONF_ATTN_BIT_EN |
1386 IGU_PF_CONF_SINGLE_ISR_EN);
1387 } else {
1388 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1389 val |= (IGU_PF_CONF_FUNC_EN |
1390 IGU_PF_CONF_INT_LINE_EN |
1391 IGU_PF_CONF_ATTN_BIT_EN |
1392 IGU_PF_CONF_SINGLE_ISR_EN);
1393 }
1394
Merav Sicron51c1a582012-03-18 10:33:38 +00001395 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001396 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1397
1398 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1399
Yuval Mintz79a85572012-04-03 18:41:25 +00001400 if (val & IGU_PF_CONF_INT_LINE_EN)
1401 pci_intx(bp->pdev, true);
1402
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001403 barrier();
1404
1405 /* init leading/trailing edge */
1406 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001407 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001408 if (bp->port.pmf)
1409 /* enable nig and gpio3 attention */
1410 val |= 0x1100;
1411 } else
1412 val = 0xffff;
1413
1414 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1415 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1416
1417 /* Make sure that interrupts are indeed enabled from here on */
1418 mmiowb();
1419}
1420
1421void bnx2x_int_enable(struct bnx2x *bp)
1422{
1423 if (bp->common.int_block == INT_BLOCK_HC)
1424 bnx2x_hc_int_enable(bp);
1425 else
1426 bnx2x_igu_int_enable(bp);
1427}
1428
1429static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001430{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001431 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001432 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1433 u32 val = REG_RD(bp, addr);
1434
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001435 /*
1436 * in E1 we must use only PCI configuration space to disable
1437 * MSI/MSIX capablility
1438 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1439 */
1440 if (CHIP_IS_E1(bp)) {
1441 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1442 * Use mask register to prevent from HC sending interrupts
1443 * after we exit the function
1444 */
1445 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1446
1447 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1448 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1449 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1450 } else
1451 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1452 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1453 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1454 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001455
Merav Sicron51c1a582012-03-18 10:33:38 +00001456 DP(NETIF_MSG_IFDOWN,
1457 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001458 val, port, addr);
1459
Eilon Greenstein8badd272009-02-12 08:36:15 +00001460 /* flush all outstanding writes */
1461 mmiowb();
1462
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463 REG_WR(bp, addr, val);
1464 if (REG_RD(bp, addr) != val)
1465 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1466}
1467
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001468static void bnx2x_igu_int_disable(struct bnx2x *bp)
1469{
1470 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1471
1472 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1473 IGU_PF_CONF_INT_LINE_EN |
1474 IGU_PF_CONF_ATTN_BIT_EN);
1475
Merav Sicron51c1a582012-03-18 10:33:38 +00001476 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001477
1478 /* flush all outstanding writes */
1479 mmiowb();
1480
1481 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1482 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1483 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1484}
1485
Ariel Elior6383c0b2011-07-14 08:31:57 +00001486void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001487{
1488 if (bp->common.int_block == INT_BLOCK_HC)
1489 bnx2x_hc_int_disable(bp);
1490 else
1491 bnx2x_igu_int_disable(bp);
1492}
1493
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001494void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001495{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001496 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001497 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001498
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001499 if (disable_hw)
1500 /* prevent the HW from sending interrupts */
1501 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001502
1503 /* make sure all ISRs are done */
1504 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001505 synchronize_irq(bp->msix_table[0].vector);
1506 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001507#ifdef BCM_CNIC
1508 offset++;
1509#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001510 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001511 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001512 } else
1513 synchronize_irq(bp->pdev->irq);
1514
1515 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001516 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001517 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001518 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001519}
1520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001521/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001522
1523/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001524 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001525 */
1526
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001527/* Return true if succeeded to acquire the lock */
1528static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1529{
1530 u32 lock_status;
1531 u32 resource_bit = (1 << resource);
1532 int func = BP_FUNC(bp);
1533 u32 hw_lock_control_reg;
1534
Merav Sicron51c1a582012-03-18 10:33:38 +00001535 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1536 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537
1538 /* Validating that the resource is within range */
1539 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001540 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001541 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1542 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001543 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001544 }
1545
1546 if (func <= 5)
1547 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1548 else
1549 hw_lock_control_reg =
1550 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1551
1552 /* Try to acquire the lock */
1553 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1554 lock_status = REG_RD(bp, hw_lock_control_reg);
1555 if (lock_status & resource_bit)
1556 return true;
1557
Merav Sicron51c1a582012-03-18 10:33:38 +00001558 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1559 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001560 return false;
1561}
1562
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001563/**
1564 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1565 *
1566 * @bp: driver handle
1567 *
1568 * Returns the recovery leader resource id according to the engine this function
1569 * belongs to. Currently only only 2 engines is supported.
1570 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001571static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001572{
1573 if (BP_PATH(bp))
1574 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1575 else
1576 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1577}
1578
1579/**
1580 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1581 *
1582 * @bp: driver handle
1583 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001584 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001585 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001586static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001587{
1588 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1589}
1590
Michael Chan993ac7b2009-10-10 13:46:56 +00001591#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001592static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001593#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001594
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001595void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001596{
1597 struct bnx2x *bp = fp->bp;
1598 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1599 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001600 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001601 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001602
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001603 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001604 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001605 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001606 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001607
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001608 switch (command) {
1609 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001610 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001611 drv_cmd = BNX2X_Q_CMD_UPDATE;
1612 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001613
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001614 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001615 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001616 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001617 break;
1618
Ariel Elior6383c0b2011-07-14 08:31:57 +00001619 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001620 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001621 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1622 break;
1623
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001624 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001625 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001626 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001627 break;
1628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001629 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001630 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001631 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1632 break;
1633
1634 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001635 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001636 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001637 break;
1638
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001639 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001640 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1641 command, fp->index);
1642 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001643 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001644
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001645 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1646 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1647 /* q_obj->complete_cmd() failure means that this was
1648 * an unexpected completion.
1649 *
1650 * In this case we don't want to increase the bp->spq_left
1651 * because apparently we haven't sent this command the first
1652 * place.
1653 */
1654#ifdef BNX2X_STOP_ON_ERROR
1655 bnx2x_panic();
1656#else
1657 return;
1658#endif
1659
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001660 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001661 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001662 /* push the change in bp->spq_left and towards the memory */
1663 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001664
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001665 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1666
Barak Witkowskia3348722012-04-23 03:04:46 +00001667 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1668 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1669 /* if Q update ramrod is completed for last Q in AFEX vif set
1670 * flow, then ACK MCP at the end
1671 *
1672 * mark pending ACK to MCP bit.
1673 * prevent case that both bits are cleared.
1674 * At the end of load/unload driver checks that
1675 * sp_state is cleaerd, and this order prevents
1676 * races
1677 */
1678 smp_mb__before_clear_bit();
1679 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1680 wmb();
1681 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1682 smp_mb__after_clear_bit();
1683
1684 /* schedule workqueue to send ack to MCP */
1685 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1686 }
1687
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001688 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001689}
1690
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001691void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1692 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1693{
1694 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1695
1696 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1697 start);
1698}
1699
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001700irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001701{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001702 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001703 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001704 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001705 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001706 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001707
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001708 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001709 if (unlikely(status == 0)) {
1710 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1711 return IRQ_NONE;
1712 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001713 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001714
Eilon Greenstein3196a882008-08-13 15:58:49 -07001715#ifdef BNX2X_STOP_ON_ERROR
1716 if (unlikely(bp->panic))
1717 return IRQ_HANDLED;
1718#endif
1719
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001720 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001721 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001722
Ariel Elior6383c0b2011-07-14 08:31:57 +00001723 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001724 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001725 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001726 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001727 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001728 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001729 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001730 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001731 status &= ~mask;
1732 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001733 }
1734
Michael Chan993ac7b2009-10-10 13:46:56 +00001735#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001736 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001737 if (status & (mask | 0x1)) {
1738 struct cnic_ops *c_ops = NULL;
1739
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001740 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1741 rcu_read_lock();
1742 c_ops = rcu_dereference(bp->cnic_ops);
1743 if (c_ops)
1744 c_ops->cnic_handler(bp->cnic_data, NULL);
1745 rcu_read_unlock();
1746 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001747
1748 status &= ~mask;
1749 }
1750#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001751
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001752 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001753 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001754
1755 status &= ~0x1;
1756 if (!status)
1757 return IRQ_HANDLED;
1758 }
1759
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001760 if (unlikely(status))
1761 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001762 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001763
1764 return IRQ_HANDLED;
1765}
1766
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001767/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001768
1769/*
1770 * General service functions
1771 */
1772
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001773int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001774{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001775 u32 lock_status;
1776 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001777 int func = BP_FUNC(bp);
1778 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001780
1781 /* Validating that the resource is within range */
1782 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001783 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001784 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1785 return -EINVAL;
1786 }
1787
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001788 if (func <= 5) {
1789 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1790 } else {
1791 hw_lock_control_reg =
1792 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1793 }
1794
Eliezer Tamirf1410642008-02-28 11:51:50 -08001795 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001796 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001798 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001799 lock_status, resource_bit);
1800 return -EEXIST;
1801 }
1802
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001803 /* Try for 5 second every 5ms */
1804 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001805 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001806 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1807 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001808 if (lock_status & resource_bit)
1809 return 0;
1810
1811 msleep(5);
1812 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001813 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001814 return -EAGAIN;
1815}
1816
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001817int bnx2x_release_leader_lock(struct bnx2x *bp)
1818{
1819 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1820}
1821
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001822int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001823{
1824 u32 lock_status;
1825 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001826 int func = BP_FUNC(bp);
1827 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828
1829 /* Validating that the resource is within range */
1830 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001831 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001832 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1833 return -EINVAL;
1834 }
1835
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001836 if (func <= 5) {
1837 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1838 } else {
1839 hw_lock_control_reg =
1840 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1841 }
1842
Eliezer Tamirf1410642008-02-28 11:51:50 -08001843 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001844 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001845 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001846 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 -08001847 lock_status, resource_bit);
1848 return -EFAULT;
1849 }
1850
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001852 return 0;
1853}
1854
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001855
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001856int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1857{
1858 /* The GPIO should be swapped if swap register is set and active */
1859 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1860 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1861 int gpio_shift = gpio_num +
1862 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1863 u32 gpio_mask = (1 << gpio_shift);
1864 u32 gpio_reg;
1865 int value;
1866
1867 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1868 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1869 return -EINVAL;
1870 }
1871
1872 /* read GPIO value */
1873 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1874
1875 /* get the requested pin value */
1876 if ((gpio_reg & gpio_mask) == gpio_mask)
1877 value = 1;
1878 else
1879 value = 0;
1880
1881 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1882
1883 return value;
1884}
1885
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001886int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001887{
1888 /* The GPIO should be swapped if swap register is set and active */
1889 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001890 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001891 int gpio_shift = gpio_num +
1892 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1893 u32 gpio_mask = (1 << gpio_shift);
1894 u32 gpio_reg;
1895
1896 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1897 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1898 return -EINVAL;
1899 }
1900
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001901 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001902 /* read GPIO and mask except the float bits */
1903 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1904
1905 switch (mode) {
1906 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001907 DP(NETIF_MSG_LINK,
1908 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001909 gpio_num, gpio_shift);
1910 /* clear FLOAT and set CLR */
1911 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1912 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1913 break;
1914
1915 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001916 DP(NETIF_MSG_LINK,
1917 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001918 gpio_num, gpio_shift);
1919 /* clear FLOAT and set SET */
1920 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1921 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1922 break;
1923
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001924 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001925 DP(NETIF_MSG_LINK,
1926 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001927 gpio_num, gpio_shift);
1928 /* set FLOAT */
1929 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1930 break;
1931
1932 default:
1933 break;
1934 }
1935
1936 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001937 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001938
1939 return 0;
1940}
1941
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001942int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1943{
1944 u32 gpio_reg = 0;
1945 int rc = 0;
1946
1947 /* Any port swapping should be handled by caller. */
1948
1949 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1950 /* read GPIO and mask except the float bits */
1951 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1952 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1953 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1954 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1955
1956 switch (mode) {
1957 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1958 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1959 /* set CLR */
1960 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1961 break;
1962
1963 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1964 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1965 /* set SET */
1966 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1967 break;
1968
1969 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1970 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1971 /* set FLOAT */
1972 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1973 break;
1974
1975 default:
1976 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1977 rc = -EINVAL;
1978 break;
1979 }
1980
1981 if (rc == 0)
1982 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1983
1984 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1985
1986 return rc;
1987}
1988
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001989int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1990{
1991 /* The GPIO should be swapped if swap register is set and active */
1992 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1993 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1994 int gpio_shift = gpio_num +
1995 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1996 u32 gpio_mask = (1 << gpio_shift);
1997 u32 gpio_reg;
1998
1999 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2000 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2001 return -EINVAL;
2002 }
2003
2004 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2005 /* read GPIO int */
2006 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2007
2008 switch (mode) {
2009 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002010 DP(NETIF_MSG_LINK,
2011 "Clear GPIO INT %d (shift %d) -> output low\n",
2012 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002013 /* clear SET and set CLR */
2014 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2015 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2016 break;
2017
2018 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002019 DP(NETIF_MSG_LINK,
2020 "Set GPIO INT %d (shift %d) -> output high\n",
2021 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002022 /* clear CLR and set SET */
2023 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2024 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2025 break;
2026
2027 default:
2028 break;
2029 }
2030
2031 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2032 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2033
2034 return 0;
2035}
2036
Eliezer Tamirf1410642008-02-28 11:51:50 -08002037static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2038{
2039 u32 spio_mask = (1 << spio_num);
2040 u32 spio_reg;
2041
2042 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2043 (spio_num > MISC_REGISTERS_SPIO_7)) {
2044 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2045 return -EINVAL;
2046 }
2047
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002048 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002049 /* read SPIO and mask except the float bits */
2050 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2051
2052 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002053 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002054 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002055 /* clear FLOAT and set CLR */
2056 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2057 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2058 break;
2059
Eilon Greenstein6378c022008-08-13 15:59:25 -07002060 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002061 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002062 /* clear FLOAT and set SET */
2063 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2064 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2065 break;
2066
2067 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002068 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002069 /* set FLOAT */
2070 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2071 break;
2072
2073 default:
2074 break;
2075 }
2076
2077 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002078 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002079
2080 return 0;
2081}
2082
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002083void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002084{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002085 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002086 switch (bp->link_vars.ieee_fc &
2087 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002088 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002089 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002090 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002091 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002092
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002093 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
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_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002099 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002100 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002101
Eliezer Tamirf1410642008-02-28 11:51:50 -08002102 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002103 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002104 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002105 break;
2106 }
2107}
2108
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002109u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002110{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002111 if (!BP_NOMCP(bp)) {
2112 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002113 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2114 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002115 /*
2116 * Initialize link parameters structure variables
2117 * It is recommended to turn off RX FC for jumbo frames
2118 * for better performance
2119 */
2120 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002121 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002122 else
David S. Millerc0700f92008-12-16 23:53:20 -08002123 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002124
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002125 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002126
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002127 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002128 struct link_params *lp = &bp->link_params;
2129 lp->loopback_mode = LOOPBACK_XGXS;
2130 /* do PHY loopback at 10G speed, if possible */
2131 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2132 if (lp->speed_cap_mask[cfx_idx] &
2133 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2134 lp->req_line_speed[cfx_idx] =
2135 SPEED_10000;
2136 else
2137 lp->req_line_speed[cfx_idx] =
2138 SPEED_1000;
2139 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002140 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002141
Merav Sicron8970b2e2012-06-19 07:48:22 +00002142 if (load_mode == LOAD_LOOPBACK_EXT) {
2143 struct link_params *lp = &bp->link_params;
2144 lp->loopback_mode = LOOPBACK_EXT;
2145 }
2146
Eilon Greenstein19680c42008-08-13 15:47:33 -07002147 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002148
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002149 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002150
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002151 bnx2x_calc_fc_adv(bp);
2152
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002153 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2154 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002155 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002156 } else
2157 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002158 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002159 return rc;
2160 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002161 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002162 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002163}
2164
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002165void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002166{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002167 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002168 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002169 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002170 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002171 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002172
Eilon Greenstein19680c42008-08-13 15:47:33 -07002173 bnx2x_calc_fc_adv(bp);
2174 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002175 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176}
2177
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178static void bnx2x__link_reset(struct bnx2x *bp)
2179{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002180 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002181 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002182 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002183 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002184 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002185 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002186}
2187
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002188u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002189{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002190 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002192 if (!BP_NOMCP(bp)) {
2193 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002194 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2195 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002196 bnx2x_release_phy_lock(bp);
2197 } else
2198 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002199
2200 return rc;
2201}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002202
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002203
Eilon Greenstein2691d512009-08-12 08:22:08 +00002204/* Calculates the sum of vn_min_rates.
2205 It's needed for further normalizing of the min_rates.
2206 Returns:
2207 sum of vn_min_rates.
2208 or
2209 0 - if all the min_rates are 0.
2210 In the later case fainess algorithm should be deactivated.
2211 If not all min_rates are zero then those that are zeroes will be set to 1.
2212 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002213static void bnx2x_calc_vn_min(struct bnx2x *bp,
2214 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002215{
2216 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002217 int vn;
2218
David S. Miller8decf862011-09-22 03:23:13 -04002219 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002220 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002221 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2222 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2223
2224 /* Skip hidden vns */
2225 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002226 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002227 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002228 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002229 vn_min_rate = DEF_MIN_RATE;
2230 else
2231 all_zero = 0;
2232
Yuval Mintzb475d782012-04-03 18:41:29 +00002233 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002234 }
2235
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002236 /* if ETS or all min rates are zeros - disable fairness */
2237 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002238 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002239 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2240 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2241 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002242 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002243 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002244 DP(NETIF_MSG_IFUP,
2245 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002246 } else
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;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002249}
2250
Yuval Mintzb475d782012-04-03 18:41:29 +00002251static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2252 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002253{
Yuval Mintzb475d782012-04-03 18:41:29 +00002254 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002255 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002256
Yuval Mintzb475d782012-04-03 18:41:29 +00002257 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002258 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002259 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002260 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2261
Yuval Mintzb475d782012-04-03 18:41:29 +00002262 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002263 /* maxCfg in percents of linkspeed */
2264 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002265 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002266 /* maxCfg is absolute in 100Mb units */
2267 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002268 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002269
Yuval Mintzb475d782012-04-03 18:41:29 +00002270 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002271
Yuval Mintzb475d782012-04-03 18:41:29 +00002272 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002273}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002274
Yuval Mintzb475d782012-04-03 18:41:29 +00002275
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2277{
2278 if (CHIP_REV_IS_SLOW(bp))
2279 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002280 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002281 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002282
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002283 return CMNG_FNS_NONE;
2284}
2285
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002286void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002288 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002289
2290 if (BP_NOMCP(bp))
2291 return; /* what should be the default bvalue in this case */
2292
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002293 /* For 2 port configuration the absolute function number formula
2294 * is:
2295 * abs_func = 2 * vn + BP_PORT + BP_PATH
2296 *
2297 * and there are 4 functions per port
2298 *
2299 * For 4 port configuration it is
2300 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2301 *
2302 * and there are 2 functions per port
2303 */
David S. Miller8decf862011-09-22 03:23:13 -04002304 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002305 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2306
2307 if (func >= E1H_FUNC_MAX)
2308 break;
2309
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002310 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002311 MF_CFG_RD(bp, func_mf_config[func].config);
2312 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002313 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2314 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2315 bp->flags |= MF_FUNC_DIS;
2316 } else {
2317 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2318 bp->flags &= ~MF_FUNC_DIS;
2319 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002320}
2321
2322static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2323{
Yuval Mintzb475d782012-04-03 18:41:29 +00002324 struct cmng_init_input input;
2325 memset(&input, 0, sizeof(struct cmng_init_input));
2326
2327 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002328
2329 if (cmng_type == CMNG_FNS_MINMAX) {
2330 int vn;
2331
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002332 /* read mf conf from shmem */
2333 if (read_cfg)
2334 bnx2x_read_mf_cfg(bp);
2335
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002336 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002337 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002338
2339 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002340 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002341 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002342 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002343
2344 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002345 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002346 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002347
2348 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002349 return;
2350 }
2351
2352 /* rate shaping and fairness are disabled */
2353 DP(NETIF_MSG_IFUP,
2354 "rate shaping and fairness are disabled\n");
2355}
2356
Eric Dumazet1191cb82012-04-27 21:39:21 +00002357static void storm_memset_cmng(struct bnx2x *bp,
2358 struct cmng_init *cmng,
2359 u8 port)
2360{
2361 int vn;
2362 size_t size = sizeof(struct cmng_struct_per_port);
2363
2364 u32 addr = BAR_XSTRORM_INTMEM +
2365 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2366
2367 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2368
2369 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2370 int func = func_by_vn(bp, vn);
2371
2372 addr = BAR_XSTRORM_INTMEM +
2373 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2374 size = sizeof(struct rate_shaping_vars_per_vn);
2375 __storm_memset_struct(bp, addr, size,
2376 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2377
2378 addr = BAR_XSTRORM_INTMEM +
2379 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2380 size = sizeof(struct fairness_vars_per_vn);
2381 __storm_memset_struct(bp, addr, size,
2382 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2383 }
2384}
2385
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002386/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002387static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002388{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002389 /* Make sure that we are synced with the current statistics */
2390 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2391
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002392 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002393
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002394 if (bp->link_vars.link_up) {
2395
Eilon Greenstein1c063282009-02-12 08:36:43 +00002396 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002397 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002398 int port = BP_PORT(bp);
2399 u32 pause_enabled = 0;
2400
2401 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2402 pause_enabled = 1;
2403
2404 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002405 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002406 pause_enabled);
2407 }
2408
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002409 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002410 struct host_port_stats *pstats;
2411
2412 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002413 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002414 memset(&(pstats->mac_stx[0]), 0,
2415 sizeof(struct mac_stx));
2416 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002417 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002418 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2419 }
2420
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002421 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2422 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002424 if (cmng_fns != CMNG_FNS_NONE) {
2425 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2426 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2427 } else
2428 /* rate shaping and fairness are disabled */
2429 DP(NETIF_MSG_IFUP,
2430 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002431 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002432
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002433 __bnx2x_link_report(bp);
2434
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002435 if (IS_MF(bp))
2436 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002437}
2438
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002439void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002440{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002441 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002442 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002443
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002444 /* read updated dcb configuration */
2445 bnx2x_dcbx_pmf_update(bp);
2446
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002447 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2448
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002449 if (bp->link_vars.link_up)
2450 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2451 else
2452 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2453
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002454 /* indicate link status */
2455 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002456}
2457
Barak Witkowskia3348722012-04-23 03:04:46 +00002458static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2459 u16 vlan_val, u8 allowed_prio)
2460{
2461 struct bnx2x_func_state_params func_params = {0};
2462 struct bnx2x_func_afex_update_params *f_update_params =
2463 &func_params.params.afex_update;
2464
2465 func_params.f_obj = &bp->func_obj;
2466 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2467
2468 /* no need to wait for RAMROD completion, so don't
2469 * set RAMROD_COMP_WAIT flag
2470 */
2471
2472 f_update_params->vif_id = vifid;
2473 f_update_params->afex_default_vlan = vlan_val;
2474 f_update_params->allowed_priorities = allowed_prio;
2475
2476 /* if ramrod can not be sent, response to MCP immediately */
2477 if (bnx2x_func_state_change(bp, &func_params) < 0)
2478 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2479
2480 return 0;
2481}
2482
2483static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2484 u16 vif_index, u8 func_bit_map)
2485{
2486 struct bnx2x_func_state_params func_params = {0};
2487 struct bnx2x_func_afex_viflists_params *update_params =
2488 &func_params.params.afex_viflists;
2489 int rc;
2490 u32 drv_msg_code;
2491
2492 /* validate only LIST_SET and LIST_GET are received from switch */
2493 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2494 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2495 cmd_type);
2496
2497 func_params.f_obj = &bp->func_obj;
2498 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2499
2500 /* set parameters according to cmd_type */
2501 update_params->afex_vif_list_command = cmd_type;
2502 update_params->vif_list_index = cpu_to_le16(vif_index);
2503 update_params->func_bit_map =
2504 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2505 update_params->func_to_clear = 0;
2506 drv_msg_code =
2507 (cmd_type == VIF_LIST_RULE_GET) ?
2508 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2509 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2510
2511 /* if ramrod can not be sent, respond to MCP immediately for
2512 * SET and GET requests (other are not triggered from MCP)
2513 */
2514 rc = bnx2x_func_state_change(bp, &func_params);
2515 if (rc < 0)
2516 bnx2x_fw_command(bp, drv_msg_code, 0);
2517
2518 return 0;
2519}
2520
2521static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2522{
2523 struct afex_stats afex_stats;
2524 u32 func = BP_ABS_FUNC(bp);
2525 u32 mf_config;
2526 u16 vlan_val;
2527 u32 vlan_prio;
2528 u16 vif_id;
2529 u8 allowed_prio;
2530 u8 vlan_mode;
2531 u32 addr_to_write, vifid, addrs, stats_type, i;
2532
2533 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2534 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2535 DP(BNX2X_MSG_MCP,
2536 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2537 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2538 }
2539
2540 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2541 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2542 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2543 DP(BNX2X_MSG_MCP,
2544 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2545 vifid, addrs);
2546 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2547 addrs);
2548 }
2549
2550 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2551 addr_to_write = SHMEM2_RD(bp,
2552 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2553 stats_type = SHMEM2_RD(bp,
2554 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2555
2556 DP(BNX2X_MSG_MCP,
2557 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2558 addr_to_write);
2559
2560 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2561
2562 /* write response to scratchpad, for MCP */
2563 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2564 REG_WR(bp, addr_to_write + i*sizeof(u32),
2565 *(((u32 *)(&afex_stats))+i));
2566
2567 /* send ack message to MCP */
2568 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2569 }
2570
2571 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2572 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2573 bp->mf_config[BP_VN(bp)] = mf_config;
2574 DP(BNX2X_MSG_MCP,
2575 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2576 mf_config);
2577
2578 /* if VIF_SET is "enabled" */
2579 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2580 /* set rate limit directly to internal RAM */
2581 struct cmng_init_input cmng_input;
2582 struct rate_shaping_vars_per_vn m_rs_vn;
2583 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2584 u32 addr = BAR_XSTRORM_INTMEM +
2585 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2586
2587 bp->mf_config[BP_VN(bp)] = mf_config;
2588
2589 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2590 m_rs_vn.vn_counter.rate =
2591 cmng_input.vnic_max_rate[BP_VN(bp)];
2592 m_rs_vn.vn_counter.quota =
2593 (m_rs_vn.vn_counter.rate *
2594 RS_PERIODIC_TIMEOUT_USEC) / 8;
2595
2596 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2597
2598 /* read relevant values from mf_cfg struct in shmem */
2599 vif_id =
2600 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2601 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2602 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2603 vlan_val =
2604 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2605 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2606 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2607 vlan_prio = (mf_config &
2608 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2609 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2610 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2611 vlan_mode =
2612 (MF_CFG_RD(bp,
2613 func_mf_config[func].afex_config) &
2614 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2615 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2616 allowed_prio =
2617 (MF_CFG_RD(bp,
2618 func_mf_config[func].afex_config) &
2619 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2620 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2621
2622 /* send ramrod to FW, return in case of failure */
2623 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2624 allowed_prio))
2625 return;
2626
2627 bp->afex_def_vlan_tag = vlan_val;
2628 bp->afex_vlan_mode = vlan_mode;
2629 } else {
2630 /* notify link down because BP->flags is disabled */
2631 bnx2x_link_report(bp);
2632
2633 /* send INVALID VIF ramrod to FW */
2634 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2635
2636 /* Reset the default afex VLAN */
2637 bp->afex_def_vlan_tag = -1;
2638 }
2639 }
2640}
2641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002642static void bnx2x_pmf_update(struct bnx2x *bp)
2643{
2644 int port = BP_PORT(bp);
2645 u32 val;
2646
2647 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002648 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002649
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002650 /*
2651 * We need the mb() to ensure the ordering between the writing to
2652 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2653 */
2654 smp_mb();
2655
2656 /* queue a periodic task */
2657 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2658
Dmitry Kravkovef018542011-06-14 01:33:57 +00002659 bnx2x_dcbx_pmf_update(bp);
2660
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002661 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002662 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002663 if (bp->common.int_block == INT_BLOCK_HC) {
2664 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2665 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002666 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002667 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2668 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2669 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002670
2671 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002672}
2673
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002674/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002675
2676/* slow path */
2677
2678/*
2679 * General service functions
2680 */
2681
Eilon Greenstein2691d512009-08-12 08:22:08 +00002682/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002683u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002684{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002685 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002686 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687 u32 rc = 0;
2688 u32 cnt = 1;
2689 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2690
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002691 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002692 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002693 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2694 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2695
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002696 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2697 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002698
2699 do {
2700 /* let the FW do it's magic ... */
2701 msleep(delay);
2702
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002703 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002704
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002705 /* Give the FW up to 5 second (500*10ms) */
2706 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002707
2708 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2709 cnt*delay, rc, seq);
2710
2711 /* is this a reply to our command? */
2712 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2713 rc &= FW_MSG_CODE_MASK;
2714 else {
2715 /* FW BUG! */
2716 BNX2X_ERR("FW failed to respond!\n");
2717 bnx2x_fw_dump(bp);
2718 rc = 0;
2719 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002720 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002721
2722 return rc;
2723}
2724
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002725
Eric Dumazet1191cb82012-04-27 21:39:21 +00002726static void storm_memset_func_cfg(struct bnx2x *bp,
2727 struct tstorm_eth_function_common_config *tcfg,
2728 u16 abs_fid)
2729{
2730 size_t size = sizeof(struct tstorm_eth_function_common_config);
2731
2732 u32 addr = BAR_TSTRORM_INTMEM +
2733 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2734
2735 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2736}
2737
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002738void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002739{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002740 if (CHIP_IS_E1x(bp)) {
2741 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002742
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002743 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2744 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002745
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002746 /* Enable the function in the FW */
2747 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2748 storm_memset_func_en(bp, p->func_id, 1);
2749
2750 /* spq */
2751 if (p->func_flgs & FUNC_FLG_SPQ) {
2752 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2753 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2754 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2755 }
2756}
2757
Ariel Elior6383c0b2011-07-14 08:31:57 +00002758/**
2759 * bnx2x_get_tx_only_flags - Return common flags
2760 *
2761 * @bp device handle
2762 * @fp queue handle
2763 * @zero_stats TRUE if statistics zeroing is needed
2764 *
2765 * Return the flags that are common for the Tx-only and not normal connections.
2766 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002767static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2768 struct bnx2x_fastpath *fp,
2769 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002770{
2771 unsigned long flags = 0;
2772
2773 /* PF driver will always initialize the Queue to an ACTIVE state */
2774 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2775
Ariel Elior6383c0b2011-07-14 08:31:57 +00002776 /* tx only connections collect statistics (on the same index as the
2777 * parent connection). The statistics are zeroed when the parent
2778 * connection is initialized.
2779 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002780
2781 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2782 if (zero_stats)
2783 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2784
Ariel Elior6383c0b2011-07-14 08:31:57 +00002785
2786 return flags;
2787}
2788
Eric Dumazet1191cb82012-04-27 21:39:21 +00002789static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2790 struct bnx2x_fastpath *fp,
2791 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002792{
2793 unsigned long flags = 0;
2794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002795 /* calculate other queue flags */
2796 if (IS_MF_SD(bp))
2797 __set_bit(BNX2X_Q_FLG_OV, &flags);
2798
Barak Witkowskia3348722012-04-23 03:04:46 +00002799 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002800 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002801 /* For FCoE - force usage of default priority (for afex) */
2802 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2803 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002804
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002805 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002806 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002807 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002808 if (fp->mode == TPA_MODE_GRO)
2809 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002810 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002811
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002812 if (leading) {
2813 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2814 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2815 }
2816
2817 /* Always set HW VLAN stripping */
2818 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002819
Barak Witkowskia3348722012-04-23 03:04:46 +00002820 /* configure silent vlan removal */
2821 if (IS_MF_AFEX(bp))
2822 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2823
Ariel Elior6383c0b2011-07-14 08:31:57 +00002824
2825 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002826}
2827
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002828static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002829 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2830 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002831{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002832 gen_init->stat_id = bnx2x_stats_id(fp);
2833 gen_init->spcl_id = fp->cl_id;
2834
2835 /* Always use mini-jumbo MTU for FCoE L2 ring */
2836 if (IS_FCOE_FP(fp))
2837 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2838 else
2839 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002840
2841 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002842}
2843
2844static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2845 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2846 struct bnx2x_rxq_setup_params *rxq_init)
2847{
2848 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002849 u16 sge_sz = 0;
2850 u16 tpa_agg_size = 0;
2851
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002852 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002853 pause->sge_th_lo = SGE_TH_LO(bp);
2854 pause->sge_th_hi = SGE_TH_HI(bp);
2855
2856 /* validate SGE ring has enough to cross high threshold */
2857 WARN_ON(bp->dropless_fc &&
2858 pause->sge_th_hi + FW_PREFETCH_CNT >
2859 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2860
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002861 tpa_agg_size = min_t(u32,
2862 (min_t(u32, 8, MAX_SKB_FRAGS) *
2863 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2864 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2865 SGE_PAGE_SHIFT;
2866 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2867 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2868 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2869 0xffff);
2870 }
2871
2872 /* pause - not for e1 */
2873 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002874 pause->bd_th_lo = BD_TH_LO(bp);
2875 pause->bd_th_hi = BD_TH_HI(bp);
2876
2877 pause->rcq_th_lo = RCQ_TH_LO(bp);
2878 pause->rcq_th_hi = RCQ_TH_HI(bp);
2879 /*
2880 * validate that rings have enough entries to cross
2881 * high thresholds
2882 */
2883 WARN_ON(bp->dropless_fc &&
2884 pause->bd_th_hi + FW_PREFETCH_CNT >
2885 bp->rx_ring_size);
2886 WARN_ON(bp->dropless_fc &&
2887 pause->rcq_th_hi + FW_PREFETCH_CNT >
2888 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002889
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002890 pause->pri_map = 1;
2891 }
2892
2893 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002894 rxq_init->dscr_map = fp->rx_desc_mapping;
2895 rxq_init->sge_map = fp->rx_sge_mapping;
2896 rxq_init->rcq_map = fp->rx_comp_mapping;
2897 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002898
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002899 /* This should be a maximum number of data bytes that may be
2900 * placed on the BD (not including paddings).
2901 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002902 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2903 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002904
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002905 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002906 rxq_init->tpa_agg_sz = tpa_agg_size;
2907 rxq_init->sge_buf_sz = sge_sz;
2908 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002909 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002910 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002911
2912 /* Maximum number or simultaneous TPA aggregation for this Queue.
2913 *
2914 * For PF Clients it should be the maximum avaliable number.
2915 * VF driver(s) may want to define it to a smaller value.
2916 */
David S. Miller8decf862011-09-22 03:23:13 -04002917 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002918
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002919 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2920 rxq_init->fw_sb_id = fp->fw_sb_id;
2921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002922 if (IS_FCOE_FP(fp))
2923 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2924 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002925 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002926 /* configure silent vlan removal
2927 * if multi function mode is afex, then mask default vlan
2928 */
2929 if (IS_MF_AFEX(bp)) {
2930 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2931 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2932 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002933}
2934
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002935static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002936 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2937 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002938{
Merav Sicron65565882012-06-19 07:48:26 +00002939 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002940 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002941 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2942 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002943
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002944 /*
2945 * set the tss leading client id for TX classfication ==
2946 * leading RSS client id
2947 */
2948 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2949
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002950 if (IS_FCOE_FP(fp)) {
2951 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2952 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2953 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002954}
2955
stephen hemminger8d962862010-10-21 07:50:56 +00002956static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002957{
2958 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002959 struct event_ring_data eq_data = { {0} };
2960 u16 flags;
2961
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002962 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002963 /* reset IGU PF statistics: MSIX + ATTN */
2964 /* PF */
2965 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2966 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2967 (CHIP_MODE_IS_4_PORT(bp) ?
2968 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2969 /* ATTN */
2970 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2971 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2972 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2973 (CHIP_MODE_IS_4_PORT(bp) ?
2974 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2975 }
2976
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002977 /* function setup flags */
2978 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2979
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002980 /* This flag is relevant for E1x only.
2981 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002982 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002983 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002984
2985 func_init.func_flgs = flags;
2986 func_init.pf_id = BP_FUNC(bp);
2987 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988 func_init.spq_map = bp->spq_mapping;
2989 func_init.spq_prod = bp->spq_prod_idx;
2990
2991 bnx2x_func_init(bp, &func_init);
2992
2993 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2994
2995 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002996 * Congestion management values depend on the link rate
2997 * There is no active link so initial link rate is set to 10 Gbps.
2998 * When the link comes up The congestion management values are
2999 * re-calculated according to the actual link rate.
3000 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003001 bp->link_vars.line_speed = SPEED_10000;
3002 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3003
3004 /* Only the PMF sets the HW */
3005 if (bp->port.pmf)
3006 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3007
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003008 /* init Event Queue */
3009 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3010 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3011 eq_data.producer = bp->eq_prod;
3012 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3013 eq_data.sb_id = DEF_SB_ID;
3014 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3015}
3016
3017
Eilon Greenstein2691d512009-08-12 08:22:08 +00003018static void bnx2x_e1h_disable(struct bnx2x *bp)
3019{
3020 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003021
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003022 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003023
3024 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003025}
3026
3027static void bnx2x_e1h_enable(struct bnx2x *bp)
3028{
3029 int port = BP_PORT(bp);
3030
3031 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3032
Eilon Greenstein2691d512009-08-12 08:22:08 +00003033 /* Tx queue should be only reenabled */
3034 netif_tx_wake_all_queues(bp->dev);
3035
Eilon Greenstein061bc702009-10-15 00:18:47 -07003036 /*
3037 * Should not call netif_carrier_on since it will be called if the link
3038 * is up when checking for link state
3039 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003040}
3041
Barak Witkowski1d187b32011-12-05 22:41:50 +00003042#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3043
3044static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3045{
3046 struct eth_stats_info *ether_stat =
3047 &bp->slowpath->drv_info_to_mcp.ether_stat;
3048
3049 /* leave last char as NULL */
3050 memcpy(ether_stat->version, DRV_MODULE_VERSION,
3051 ETH_STAT_INFO_VERSION_LEN - 1);
3052
Barak Witkowski15192a82012-06-19 07:48:28 +00003053 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3054 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3055 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003056
3057 ether_stat->mtu_size = bp->dev->mtu;
3058
3059 if (bp->dev->features & NETIF_F_RXCSUM)
3060 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3061 if (bp->dev->features & NETIF_F_TSO)
3062 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3063 ether_stat->feature_flags |= bp->common.boot_mode;
3064
3065 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3066
3067 ether_stat->txq_size = bp->tx_ring_size;
3068 ether_stat->rxq_size = bp->rx_ring_size;
3069}
3070
3071static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3072{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003073#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003074 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3075 struct fcoe_stats_info *fcoe_stat =
3076 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3077
Barak Witkowski2e499d32012-06-26 01:31:19 +00003078 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3079 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003080
3081 fcoe_stat->qos_priority =
3082 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3083
3084 /* insert FCoE stats from ramrod response */
3085 if (!NO_FCOE(bp)) {
3086 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003087 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003088 tstorm_queue_statistics;
3089
3090 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003091 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003092 xstorm_queue_statistics;
3093
3094 struct fcoe_statistics_params *fw_fcoe_stat =
3095 &bp->fw_stats_data->fcoe;
3096
3097 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3098 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3099
3100 ADD_64(fcoe_stat->rx_bytes_hi,
3101 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3102 fcoe_stat->rx_bytes_lo,
3103 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3104
3105 ADD_64(fcoe_stat->rx_bytes_hi,
3106 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3107 fcoe_stat->rx_bytes_lo,
3108 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3109
3110 ADD_64(fcoe_stat->rx_bytes_hi,
3111 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3112 fcoe_stat->rx_bytes_lo,
3113 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3114
3115 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3116 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3117
3118 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3119 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3120
3121 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3122 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3123
3124 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003125 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003126
3127 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3128 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3129
3130 ADD_64(fcoe_stat->tx_bytes_hi,
3131 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3132 fcoe_stat->tx_bytes_lo,
3133 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3134
3135 ADD_64(fcoe_stat->tx_bytes_hi,
3136 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3137 fcoe_stat->tx_bytes_lo,
3138 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3139
3140 ADD_64(fcoe_stat->tx_bytes_hi,
3141 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3142 fcoe_stat->tx_bytes_lo,
3143 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3144
3145 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3146 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3147
3148 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3149 fcoe_q_xstorm_stats->ucast_pkts_sent);
3150
3151 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3152 fcoe_q_xstorm_stats->bcast_pkts_sent);
3153
3154 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3155 fcoe_q_xstorm_stats->mcast_pkts_sent);
3156 }
3157
Barak Witkowski1d187b32011-12-05 22:41:50 +00003158 /* ask L5 driver to add data to the struct */
3159 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3160#endif
3161}
3162
3163static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3164{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003165#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003166 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3167 struct iscsi_stats_info *iscsi_stat =
3168 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3169
Barak Witkowski2e499d32012-06-26 01:31:19 +00003170 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3171 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003172
3173 iscsi_stat->qos_priority =
3174 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3175
Barak Witkowski1d187b32011-12-05 22:41:50 +00003176 /* ask L5 driver to add data to the struct */
3177 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3178#endif
3179}
3180
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003181/* called due to MCP event (on pmf):
3182 * reread new bandwidth configuration
3183 * configure FW
3184 * notify others function about the change
3185 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003186static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003187{
3188 if (bp->link_vars.link_up) {
3189 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3190 bnx2x_link_sync_notify(bp);
3191 }
3192 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3193}
3194
Eric Dumazet1191cb82012-04-27 21:39:21 +00003195static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003196{
3197 bnx2x_config_mf_bw(bp);
3198 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3199}
3200
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003201static void bnx2x_handle_eee_event(struct bnx2x *bp)
3202{
3203 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3204 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3205}
3206
Barak Witkowski1d187b32011-12-05 22:41:50 +00003207static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3208{
3209 enum drv_info_opcode op_code;
3210 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3211
3212 /* if drv_info version supported by MFW doesn't match - send NACK */
3213 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3214 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3215 return;
3216 }
3217
3218 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3219 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3220
3221 memset(&bp->slowpath->drv_info_to_mcp, 0,
3222 sizeof(union drv_info_to_mcp));
3223
3224 switch (op_code) {
3225 case ETH_STATS_OPCODE:
3226 bnx2x_drv_info_ether_stat(bp);
3227 break;
3228 case FCOE_STATS_OPCODE:
3229 bnx2x_drv_info_fcoe_stat(bp);
3230 break;
3231 case ISCSI_STATS_OPCODE:
3232 bnx2x_drv_info_iscsi_stat(bp);
3233 break;
3234 default:
3235 /* if op code isn't supported - send NACK */
3236 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3237 return;
3238 }
3239
3240 /* if we got drv_info attn from MFW then these fields are defined in
3241 * shmem2 for sure
3242 */
3243 SHMEM2_WR(bp, drv_info_host_addr_lo,
3244 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3245 SHMEM2_WR(bp, drv_info_host_addr_hi,
3246 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3247
3248 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3249}
3250
Eilon Greenstein2691d512009-08-12 08:22:08 +00003251static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3252{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003253 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003254
3255 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3256
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003257 /*
3258 * This is the only place besides the function initialization
3259 * where the bp->flags can change so it is done without any
3260 * locks
3261 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003262 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003263 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003264 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003265
3266 bnx2x_e1h_disable(bp);
3267 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003268 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\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_enable(bp);
3272 }
3273 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3274 }
3275 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003276 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003277 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3278 }
3279
3280 /* Report results to MCP */
3281 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003282 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003283 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003284 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003285}
3286
Michael Chan28912902009-10-10 13:46:53 +00003287/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003288static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003289{
3290 struct eth_spe *next_spe = bp->spq_prod_bd;
3291
3292 if (bp->spq_prod_bd == bp->spq_last_bd) {
3293 bp->spq_prod_bd = bp->spq;
3294 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003295 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003296 } else {
3297 bp->spq_prod_bd++;
3298 bp->spq_prod_idx++;
3299 }
3300 return next_spe;
3301}
3302
3303/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003304static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003305{
3306 int func = BP_FUNC(bp);
3307
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003308 /*
3309 * Make sure that BD data is updated before writing the producer:
3310 * BD data is written to the memory, the producer is read from the
3311 * memory, thus we need a full memory barrier to ensure the ordering.
3312 */
3313 mb();
Michael Chan28912902009-10-10 13:46:53 +00003314
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003315 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003316 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003317 mmiowb();
3318}
3319
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003320/**
3321 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3322 *
3323 * @cmd: command to check
3324 * @cmd_type: command type
3325 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003326static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003327{
3328 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003329 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003330 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3331 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3332 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3333 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3334 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3335 return true;
3336 else
3337 return false;
3338
3339}
3340
3341
3342/**
3343 * bnx2x_sp_post - place a single command on an SP ring
3344 *
3345 * @bp: driver handle
3346 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3347 * @cid: SW CID the command is related to
3348 * @data_hi: command private data address (high 32 bits)
3349 * @data_lo: command private data address (low 32 bits)
3350 * @cmd_type: command type (e.g. NONE, ETH)
3351 *
3352 * SP data is handled as if it's always an address pair, thus data fields are
3353 * not swapped to little endian in upper functions. Instead this function swaps
3354 * data as if it's two u32 fields.
3355 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003356int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003357 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003358{
Michael Chan28912902009-10-10 13:46:53 +00003359 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003360 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003361 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003362
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003363#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003364 if (unlikely(bp->panic)) {
3365 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003366 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003367 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368#endif
3369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003370 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003372 if (common) {
3373 if (!atomic_read(&bp->eq_spq_left)) {
3374 BNX2X_ERR("BUG! EQ ring full!\n");
3375 spin_unlock_bh(&bp->spq_lock);
3376 bnx2x_panic();
3377 return -EBUSY;
3378 }
3379 } else if (!atomic_read(&bp->cq_spq_left)) {
3380 BNX2X_ERR("BUG! SPQ ring full!\n");
3381 spin_unlock_bh(&bp->spq_lock);
3382 bnx2x_panic();
3383 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003384 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003385
Michael Chan28912902009-10-10 13:46:53 +00003386 spe = bnx2x_sp_get_next(bp);
3387
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003388 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003389 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003390 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3391 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003392
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003393 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003394
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003395 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3396 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003397
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003398 spe->hdr.type = cpu_to_le16(type);
3399
3400 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3401 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3402
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003403 /*
3404 * It's ok if the actual decrement is issued towards the memory
3405 * somewhere between the spin_lock and spin_unlock. Thus no
3406 * more explict memory barrier is needed.
3407 */
3408 if (common)
3409 atomic_dec(&bp->eq_spq_left);
3410 else
3411 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003412
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003413
Merav Sicron51c1a582012-03-18 10:33:38 +00003414 DP(BNX2X_MSG_SP,
3415 "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 +00003416 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3417 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003418 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003419 HW_CID(bp, cid), data_hi, data_lo, type,
3420 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003421
Michael Chan28912902009-10-10 13:46:53 +00003422 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003423 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003424 return 0;
3425}
3426
3427/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003428static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003430 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003431 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003432
3433 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003434 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003435 val = (1UL << 31);
3436 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3437 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3438 if (val & (1L << 31))
3439 break;
3440
3441 msleep(5);
3442 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003443 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003444 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445 rc = -EBUSY;
3446 }
3447
3448 return rc;
3449}
3450
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003451/* release split MCP access lock register */
3452static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003453{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003454 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003455}
3456
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003457#define BNX2X_DEF_SB_ATT_IDX 0x0001
3458#define BNX2X_DEF_SB_IDX 0x0002
3459
Eric Dumazet1191cb82012-04-27 21:39:21 +00003460static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003461{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003462 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003463 u16 rc = 0;
3464
3465 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003466 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3467 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003468 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003469 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003470
3471 if (bp->def_idx != def_sb->sp_sb.running_index) {
3472 bp->def_idx = def_sb->sp_sb.running_index;
3473 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003474 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003475
3476 /* Do not reorder: indecies reading should complete before handling */
3477 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003478 return rc;
3479}
3480
3481/*
3482 * slow path service functions
3483 */
3484
3485static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3486{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003487 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003488 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3489 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003490 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3491 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003492 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003493 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003494 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003495
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003496 if (bp->attn_state & asserted)
3497 BNX2X_ERR("IGU ERROR\n");
3498
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003499 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3500 aeu_mask = REG_RD(bp, aeu_addr);
3501
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003502 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003503 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003504 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003505 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003506
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003507 REG_WR(bp, aeu_addr, aeu_mask);
3508 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003509
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003510 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003511 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003512 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003513
3514 if (asserted & ATTN_HARD_WIRED_MASK) {
3515 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003516
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003517 bnx2x_acquire_phy_lock(bp);
3518
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003519 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003520 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003521
Yaniv Rosner361c3912011-06-14 01:33:19 +00003522 /* If nig_mask is not set, no need to call the update
3523 * function.
3524 */
3525 if (nig_mask) {
3526 REG_WR(bp, nig_int_mask_addr, 0);
3527
3528 bnx2x_link_attn(bp);
3529 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003530
3531 /* handle unicore attn? */
3532 }
3533 if (asserted & ATTN_SW_TIMER_4_FUNC)
3534 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3535
3536 if (asserted & GPIO_2_FUNC)
3537 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3538
3539 if (asserted & GPIO_3_FUNC)
3540 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3541
3542 if (asserted & GPIO_4_FUNC)
3543 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3544
3545 if (port == 0) {
3546 if (asserted & ATTN_GENERAL_ATTN_1) {
3547 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3548 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3549 }
3550 if (asserted & ATTN_GENERAL_ATTN_2) {
3551 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3552 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3553 }
3554 if (asserted & ATTN_GENERAL_ATTN_3) {
3555 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3556 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3557 }
3558 } else {
3559 if (asserted & ATTN_GENERAL_ATTN_4) {
3560 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3561 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3562 }
3563 if (asserted & ATTN_GENERAL_ATTN_5) {
3564 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3565 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3566 }
3567 if (asserted & ATTN_GENERAL_ATTN_6) {
3568 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3569 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3570 }
3571 }
3572
3573 } /* if hardwired */
3574
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003575 if (bp->common.int_block == INT_BLOCK_HC)
3576 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3577 COMMAND_REG_ATTN_BITS_SET);
3578 else
3579 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3580
3581 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3582 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3583 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003584
3585 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003586 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003587 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003588 bnx2x_release_phy_lock(bp);
3589 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003590}
3591
Eric Dumazet1191cb82012-04-27 21:39:21 +00003592static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003593{
3594 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003595 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003596 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003597 ext_phy_config =
3598 SHMEM_RD(bp,
3599 dev_info.port_hw_config[port].external_phy_config);
3600
3601 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3602 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003603 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003604 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003605
3606 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003607 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3608 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003609
3610 /*
3611 * Scheudle device reset (unload)
3612 * This is due to some boards consuming sufficient power when driver is
3613 * up to overheat if fan fails.
3614 */
3615 smp_mb__before_clear_bit();
3616 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3617 smp_mb__after_clear_bit();
3618 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3619
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003620}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003621
Eric Dumazet1191cb82012-04-27 21:39:21 +00003622static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003623{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003624 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003625 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003626 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003627
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003628 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3629 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003630
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003631 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003632
3633 val = REG_RD(bp, reg_offset);
3634 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3635 REG_WR(bp, reg_offset, val);
3636
3637 BNX2X_ERR("SPIO5 hw attention\n");
3638
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003639 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003640 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003641 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003642 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003643
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003644 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003645 bnx2x_acquire_phy_lock(bp);
3646 bnx2x_handle_module_detect_int(&bp->link_params);
3647 bnx2x_release_phy_lock(bp);
3648 }
3649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003650 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3651
3652 val = REG_RD(bp, reg_offset);
3653 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3654 REG_WR(bp, reg_offset, val);
3655
3656 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003657 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003658 bnx2x_panic();
3659 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003660}
3661
Eric Dumazet1191cb82012-04-27 21:39:21 +00003662static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003663{
3664 u32 val;
3665
Eilon Greenstein0626b892009-02-12 08:38:14 +00003666 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003667
3668 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3669 BNX2X_ERR("DB hw attention 0x%x\n", val);
3670 /* DORQ discard attention */
3671 if (val & 0x2)
3672 BNX2X_ERR("FATAL error from DORQ\n");
3673 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003674
3675 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3676
3677 int port = BP_PORT(bp);
3678 int reg_offset;
3679
3680 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3681 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3682
3683 val = REG_RD(bp, reg_offset);
3684 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3685 REG_WR(bp, reg_offset, val);
3686
3687 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003688 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003689 bnx2x_panic();
3690 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003691}
3692
Eric Dumazet1191cb82012-04-27 21:39:21 +00003693static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003694{
3695 u32 val;
3696
3697 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3698
3699 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3700 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3701 /* CFC error attention */
3702 if (val & 0x2)
3703 BNX2X_ERR("FATAL error from CFC\n");
3704 }
3705
3706 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003707 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003708 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003709 /* RQ_USDMDP_FIFO_OVERFLOW */
3710 if (val & 0x18000)
3711 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003712
3713 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003714 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3715 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3716 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003717 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003718
3719 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3720
3721 int port = BP_PORT(bp);
3722 int reg_offset;
3723
3724 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3725 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3726
3727 val = REG_RD(bp, reg_offset);
3728 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3729 REG_WR(bp, reg_offset, val);
3730
3731 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003732 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003733 bnx2x_panic();
3734 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003735}
3736
Eric Dumazet1191cb82012-04-27 21:39:21 +00003737static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003738{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003739 u32 val;
3740
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003741 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3742
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003743 if (attn & BNX2X_PMF_LINK_ASSERT) {
3744 int func = BP_FUNC(bp);
3745
3746 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003747 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003748 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3749 func_mf_config[BP_ABS_FUNC(bp)].config);
3750 val = SHMEM_RD(bp,
3751 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003752 if (val & DRV_STATUS_DCC_EVENT_MASK)
3753 bnx2x_dcc_event(bp,
3754 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003755
3756 if (val & DRV_STATUS_SET_MF_BW)
3757 bnx2x_set_mf_bw(bp);
3758
Barak Witkowski1d187b32011-12-05 22:41:50 +00003759 if (val & DRV_STATUS_DRV_INFO_REQ)
3760 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003761 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003762 bnx2x_pmf_update(bp);
3763
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003764 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003765 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3766 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003767 /* start dcbx state machine */
3768 bnx2x_dcbx_set_params(bp,
3769 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003770 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3771 bnx2x_handle_afex_cmd(bp,
3772 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003773 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3774 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003775 if (bp->link_vars.periodic_flags &
3776 PERIODIC_FLAGS_LINK_EVENT) {
3777 /* sync with link */
3778 bnx2x_acquire_phy_lock(bp);
3779 bp->link_vars.periodic_flags &=
3780 ~PERIODIC_FLAGS_LINK_EVENT;
3781 bnx2x_release_phy_lock(bp);
3782 if (IS_MF(bp))
3783 bnx2x_link_sync_notify(bp);
3784 bnx2x_link_report(bp);
3785 }
3786 /* Always call it here: bnx2x_link_report() will
3787 * prevent the link indication duplication.
3788 */
3789 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003790 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003791
3792 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003793 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003794 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3795 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3796 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3797 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3798 bnx2x_panic();
3799
3800 } else if (attn & BNX2X_MCP_ASSERT) {
3801
3802 BNX2X_ERR("MCP assert!\n");
3803 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003804 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003805
3806 } else
3807 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3808 }
3809
3810 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003811 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3812 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003813 val = CHIP_IS_E1(bp) ? 0 :
3814 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003815 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3816 }
3817 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003818 val = CHIP_IS_E1(bp) ? 0 :
3819 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003820 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3821 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003822 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003823 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003824}
3825
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003826/*
3827 * Bits map:
3828 * 0-7 - Engine0 load counter.
3829 * 8-15 - Engine1 load counter.
3830 * 16 - Engine0 RESET_IN_PROGRESS bit.
3831 * 17 - Engine1 RESET_IN_PROGRESS bit.
3832 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3833 * on the engine
3834 * 19 - Engine1 ONE_IS_LOADED.
3835 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3836 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3837 * just the one belonging to its engine).
3838 *
3839 */
3840#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3841
3842#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3843#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3844#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3845#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3846#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3847#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3848#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003849
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003850/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003851 * Set the GLOBAL_RESET bit.
3852 *
3853 * Should be run under rtnl lock
3854 */
3855void bnx2x_set_reset_global(struct bnx2x *bp)
3856{
Ariel Eliorf16da432012-01-26 06:01:50 +00003857 u32 val;
3858 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3859 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003860 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003861 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003862}
3863
3864/*
3865 * Clear the GLOBAL_RESET bit.
3866 *
3867 * Should be run under rtnl lock
3868 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003869static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003870{
Ariel Eliorf16da432012-01-26 06:01:50 +00003871 u32 val;
3872 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3873 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003874 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003875 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003876}
3877
3878/*
3879 * Checks the GLOBAL_RESET bit.
3880 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003881 * should be run under rtnl lock
3882 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003883static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003884{
3885 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3886
3887 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3888 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3889}
3890
3891/*
3892 * Clear RESET_IN_PROGRESS bit for the current engine.
3893 *
3894 * Should be run under rtnl lock
3895 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003896static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003897{
Ariel Eliorf16da432012-01-26 06:01:50 +00003898 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003899 u32 bit = BP_PATH(bp) ?
3900 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003901 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3902 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003903
3904 /* Clear the bit */
3905 val &= ~bit;
3906 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003907
3908 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003909}
3910
3911/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003912 * Set RESET_IN_PROGRESS for the current engine.
3913 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003914 * should be run under rtnl lock
3915 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003916void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003917{
Ariel Eliorf16da432012-01-26 06:01:50 +00003918 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003919 u32 bit = BP_PATH(bp) ?
3920 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003921 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3922 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003923
3924 /* Set the bit */
3925 val |= bit;
3926 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003927 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003928}
3929
3930/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003931 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003932 * should be run under rtnl lock
3933 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003934bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003935{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3937 u32 bit = engine ?
3938 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3939
3940 /* return false if bit is set */
3941 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003942}
3943
3944/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003945 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003946 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003947 * should be run under rtnl lock
3948 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003949void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003950{
Ariel Eliorf16da432012-01-26 06:01:50 +00003951 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003952 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3953 BNX2X_PATH0_LOAD_CNT_MASK;
3954 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3955 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003956
Ariel Eliorf16da432012-01-26 06:01:50 +00003957 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3958 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3959
Merav Sicron51c1a582012-03-18 10:33:38 +00003960 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003961
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003962 /* get the current counter value */
3963 val1 = (val & mask) >> shift;
3964
Ariel Elior889b9af2012-01-26 06:01:51 +00003965 /* set bit of that PF */
3966 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003967
3968 /* clear the old value */
3969 val &= ~mask;
3970
3971 /* set the new one */
3972 val |= ((val1 << shift) & mask);
3973
3974 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003975 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003976}
3977
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003978/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003979 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003980 *
3981 * @bp: driver handle
3982 *
3983 * Should be run under rtnl lock.
3984 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003985 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003986 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003987bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003988{
Ariel Eliorf16da432012-01-26 06:01:50 +00003989 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003990 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3991 BNX2X_PATH0_LOAD_CNT_MASK;
3992 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3993 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003994
Ariel Eliorf16da432012-01-26 06:01:50 +00003995 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3996 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00003997 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003998
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003999 /* get the current counter value */
4000 val1 = (val & mask) >> shift;
4001
Ariel Elior889b9af2012-01-26 06:01:51 +00004002 /* clear bit of that PF */
4003 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004004
4005 /* clear the old value */
4006 val &= ~mask;
4007
4008 /* set the new one */
4009 val |= ((val1 << shift) & mask);
4010
4011 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004012 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4013 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004014}
4015
4016/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004017 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004018 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004019 * should be run under rtnl lock
4020 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004021static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004022{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4024 BNX2X_PATH0_LOAD_CNT_MASK);
4025 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4026 BNX2X_PATH0_LOAD_CNT_SHIFT);
4027 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4028
Merav Sicron51c1a582012-03-18 10:33:38 +00004029 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004030
4031 val = (val & mask) >> shift;
4032
Merav Sicron51c1a582012-03-18 10:33:38 +00004033 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4034 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004035
Ariel Elior889b9af2012-01-26 06:01:51 +00004036 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004037}
4038
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004039/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004040 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004041 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004042static void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004043{
Ariel Eliorf16da432012-01-26 06:01:50 +00004044 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004045 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00004046 BNX2X_PATH0_LOAD_CNT_MASK);
4047 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4048 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004049 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00004050 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004051}
4052
Eric Dumazet1191cb82012-04-27 21:39:21 +00004053static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004054{
Joe Perchesf1deab52011-08-14 12:16:21 +00004055 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004056}
4057
Eric Dumazet1191cb82012-04-27 21:39:21 +00004058static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4059 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004060{
4061 int i = 0;
4062 u32 cur_bit = 0;
4063 for (i = 0; sig; i++) {
4064 cur_bit = ((u32)0x1 << i);
4065 if (sig & cur_bit) {
4066 switch (cur_bit) {
4067 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004068 if (print)
4069 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004070 break;
4071 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004072 if (print)
4073 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004074 break;
4075 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004076 if (print)
4077 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004078 break;
4079 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004080 if (print)
4081 _print_next_block(par_num++,
4082 "SEARCHER");
4083 break;
4084 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4085 if (print)
4086 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004087 break;
4088 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004089 if (print)
4090 _print_next_block(par_num++, "TSEMI");
4091 break;
4092 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4093 if (print)
4094 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004095 break;
4096 }
4097
4098 /* Clear the bit */
4099 sig &= ~cur_bit;
4100 }
4101 }
4102
4103 return par_num;
4104}
4105
Eric Dumazet1191cb82012-04-27 21:39:21 +00004106static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4107 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004108{
4109 int i = 0;
4110 u32 cur_bit = 0;
4111 for (i = 0; sig; i++) {
4112 cur_bit = ((u32)0x1 << i);
4113 if (sig & cur_bit) {
4114 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004115 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4116 if (print)
4117 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004118 break;
4119 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004120 if (print)
4121 _print_next_block(par_num++, "QM");
4122 break;
4123 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4124 if (print)
4125 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004126 break;
4127 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004128 if (print)
4129 _print_next_block(par_num++, "XSDM");
4130 break;
4131 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4132 if (print)
4133 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004134 break;
4135 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004136 if (print)
4137 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004138 break;
4139 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004140 if (print)
4141 _print_next_block(par_num++,
4142 "DOORBELLQ");
4143 break;
4144 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4145 if (print)
4146 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004147 break;
4148 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004149 if (print)
4150 _print_next_block(par_num++,
4151 "VAUX PCI CORE");
4152 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004153 break;
4154 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004155 if (print)
4156 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004157 break;
4158 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004159 if (print)
4160 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004161 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004162 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4163 if (print)
4164 _print_next_block(par_num++, "UCM");
4165 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004166 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004167 if (print)
4168 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004169 break;
4170 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004171 if (print)
4172 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004173 break;
4174 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004175 if (print)
4176 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004177 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004178 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4179 if (print)
4180 _print_next_block(par_num++, "CCM");
4181 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004182 }
4183
4184 /* Clear the bit */
4185 sig &= ~cur_bit;
4186 }
4187 }
4188
4189 return par_num;
4190}
4191
Eric Dumazet1191cb82012-04-27 21:39:21 +00004192static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4193 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004194{
4195 int i = 0;
4196 u32 cur_bit = 0;
4197 for (i = 0; sig; i++) {
4198 cur_bit = ((u32)0x1 << i);
4199 if (sig & cur_bit) {
4200 switch (cur_bit) {
4201 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004202 if (print)
4203 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004204 break;
4205 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004206 if (print)
4207 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004208 break;
4209 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004210 if (print)
4211 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004212 "PXPPCICLOCKCLIENT");
4213 break;
4214 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004215 if (print)
4216 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004217 break;
4218 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004219 if (print)
4220 _print_next_block(par_num++, "CDU");
4221 break;
4222 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4223 if (print)
4224 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004225 break;
4226 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004227 if (print)
4228 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004229 break;
4230 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004231 if (print)
4232 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004233 break;
4234 }
4235
4236 /* Clear the bit */
4237 sig &= ~cur_bit;
4238 }
4239 }
4240
4241 return par_num;
4242}
4243
Eric Dumazet1191cb82012-04-27 21:39:21 +00004244static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4245 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004246{
4247 int i = 0;
4248 u32 cur_bit = 0;
4249 for (i = 0; sig; i++) {
4250 cur_bit = ((u32)0x1 << i);
4251 if (sig & cur_bit) {
4252 switch (cur_bit) {
4253 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004254 if (print)
4255 _print_next_block(par_num++, "MCP ROM");
4256 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004257 break;
4258 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004259 if (print)
4260 _print_next_block(par_num++,
4261 "MCP UMP RX");
4262 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004263 break;
4264 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004265 if (print)
4266 _print_next_block(par_num++,
4267 "MCP UMP TX");
4268 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004269 break;
4270 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004271 if (print)
4272 _print_next_block(par_num++,
4273 "MCP SCPAD");
4274 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004275 break;
4276 }
4277
4278 /* Clear the bit */
4279 sig &= ~cur_bit;
4280 }
4281 }
4282
4283 return par_num;
4284}
4285
Eric Dumazet1191cb82012-04-27 21:39:21 +00004286static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4287 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004288{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004289 int i = 0;
4290 u32 cur_bit = 0;
4291 for (i = 0; sig; i++) {
4292 cur_bit = ((u32)0x1 << i);
4293 if (sig & cur_bit) {
4294 switch (cur_bit) {
4295 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4296 if (print)
4297 _print_next_block(par_num++, "PGLUE_B");
4298 break;
4299 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4300 if (print)
4301 _print_next_block(par_num++, "ATC");
4302 break;
4303 }
4304
4305 /* Clear the bit */
4306 sig &= ~cur_bit;
4307 }
4308 }
4309
4310 return par_num;
4311}
4312
Eric Dumazet1191cb82012-04-27 21:39:21 +00004313static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4314 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004315{
4316 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4317 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4318 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4319 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4320 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004321 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004322 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4323 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004324 sig[0] & HW_PRTY_ASSERT_SET_0,
4325 sig[1] & HW_PRTY_ASSERT_SET_1,
4326 sig[2] & HW_PRTY_ASSERT_SET_2,
4327 sig[3] & HW_PRTY_ASSERT_SET_3,
4328 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004329 if (print)
4330 netdev_err(bp->dev,
4331 "Parity errors detected in blocks: ");
4332 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004333 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004334 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004335 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004336 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004337 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004338 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004339 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4340 par_num = bnx2x_check_blocks_with_parity4(
4341 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4342
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004343 if (print)
4344 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004345
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004346 return true;
4347 } else
4348 return false;
4349}
4350
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004351/**
4352 * bnx2x_chk_parity_attn - checks for parity attentions.
4353 *
4354 * @bp: driver handle
4355 * @global: true if there was a global attention
4356 * @print: show parity attention in syslog
4357 */
4358bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004359{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004360 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004361 int port = BP_PORT(bp);
4362
4363 attn.sig[0] = REG_RD(bp,
4364 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4365 port*4);
4366 attn.sig[1] = REG_RD(bp,
4367 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4368 port*4);
4369 attn.sig[2] = REG_RD(bp,
4370 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4371 port*4);
4372 attn.sig[3] = REG_RD(bp,
4373 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4374 port*4);
4375
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004376 if (!CHIP_IS_E1x(bp))
4377 attn.sig[4] = REG_RD(bp,
4378 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4379 port*4);
4380
4381 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004382}
4383
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004384
Eric Dumazet1191cb82012-04-27 21:39:21 +00004385static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004386{
4387 u32 val;
4388 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4389
4390 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4391 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4392 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004393 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004394 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004395 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004396 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004397 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004398 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004399 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004400 if (val &
4401 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004402 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004403 if (val &
4404 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004405 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004406 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004407 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004408 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004409 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004410 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004411 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004412 }
4413 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4414 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4415 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4416 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4417 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4418 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004419 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004420 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004421 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004422 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004423 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004424 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4425 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4426 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004427 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004428 }
4429
4430 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4431 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4432 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4433 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4434 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4435 }
4436
4437}
4438
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004439static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4440{
4441 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004442 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004443 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004444 u32 reg_addr;
4445 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004446 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004447 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004448
4449 /* need to take HW lock because MCP or other port might also
4450 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004451 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004452
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004453 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4454#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004455 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004456 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004457 /* Disable HW interrupts */
4458 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004459 /* In case of parity errors don't handle attentions so that
4460 * other function would "see" parity errors.
4461 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004462#else
4463 bnx2x_panic();
4464#endif
4465 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004466 return;
4467 }
4468
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4470 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4471 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4472 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004473 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004474 attn.sig[4] =
4475 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4476 else
4477 attn.sig[4] = 0;
4478
4479 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4480 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004481
4482 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4483 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004484 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004485
Merav Sicron51c1a582012-03-18 10:33:38 +00004486 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004487 index,
4488 group_mask->sig[0], group_mask->sig[1],
4489 group_mask->sig[2], group_mask->sig[3],
4490 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004491
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004492 bnx2x_attn_int_deasserted4(bp,
4493 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004494 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004495 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004496 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004497 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004498 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004499 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004500 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004501 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004502 }
4503 }
4504
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004505 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004506
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004507 if (bp->common.int_block == INT_BLOCK_HC)
4508 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4509 COMMAND_REG_ATTN_BITS_CLR);
4510 else
4511 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004512
4513 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004514 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4515 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004516 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004517
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004518 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004519 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004520
4521 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4522 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4523
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004524 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4525 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004526
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004527 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4528 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004529 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004530 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4531
4532 REG_WR(bp, reg_addr, aeu_mask);
4533 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004534
4535 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4536 bp->attn_state &= ~deasserted;
4537 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4538}
4539
4540static void bnx2x_attn_int(struct bnx2x *bp)
4541{
4542 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004543 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4544 attn_bits);
4545 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4546 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004547 u32 attn_state = bp->attn_state;
4548
4549 /* look for changed bits */
4550 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4551 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4552
4553 DP(NETIF_MSG_HW,
4554 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4555 attn_bits, attn_ack, asserted, deasserted);
4556
4557 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004558 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004559
4560 /* handle bits that were raised */
4561 if (asserted)
4562 bnx2x_attn_int_asserted(bp, asserted);
4563
4564 if (deasserted)
4565 bnx2x_attn_int_deasserted(bp, deasserted);
4566}
4567
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004568void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4569 u16 index, u8 op, u8 update)
4570{
4571 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4572
4573 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4574 igu_addr);
4575}
4576
Eric Dumazet1191cb82012-04-27 21:39:21 +00004577static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004578{
4579 /* No memory barriers */
4580 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4581 mmiowb(); /* keep prod updates ordered */
4582}
4583
4584#ifdef BCM_CNIC
4585static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4586 union event_ring_elem *elem)
4587{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004588 u8 err = elem->message.error;
4589
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004590 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004591 (cid < bp->cnic_eth_dev.starting_cid &&
4592 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004593 return 1;
4594
4595 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4596
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004597 if (unlikely(err)) {
4598
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004599 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4600 cid);
4601 bnx2x_panic_dump(bp);
4602 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004603 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004604 return 0;
4605}
4606#endif
4607
Eric Dumazet1191cb82012-04-27 21:39:21 +00004608static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004609{
4610 struct bnx2x_mcast_ramrod_params rparam;
4611 int rc;
4612
4613 memset(&rparam, 0, sizeof(rparam));
4614
4615 rparam.mcast_obj = &bp->mcast_obj;
4616
4617 netif_addr_lock_bh(bp->dev);
4618
4619 /* Clear pending state for the last command */
4620 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4621
4622 /* If there are pending mcast commands - send them */
4623 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4624 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4625 if (rc < 0)
4626 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4627 rc);
4628 }
4629
4630 netif_addr_unlock_bh(bp->dev);
4631}
4632
Eric Dumazet1191cb82012-04-27 21:39:21 +00004633static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4634 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004635{
4636 unsigned long ramrod_flags = 0;
4637 int rc = 0;
4638 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4639 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4640
4641 /* Always push next commands out, don't wait here */
4642 __set_bit(RAMROD_CONT, &ramrod_flags);
4643
4644 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4645 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004646 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004647#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004648 if (cid == BNX2X_ISCSI_ETH_CID(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004649 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4650 else
4651#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004652 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004653
4654 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004655 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004656 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004657 /* This is only relevant for 57710 where multicast MACs are
4658 * configured as unicast MACs using the same ramrod.
4659 */
4660 bnx2x_handle_mcast_eqe(bp);
4661 return;
4662 default:
4663 BNX2X_ERR("Unsupported classification command: %d\n",
4664 elem->message.data.eth_event.echo);
4665 return;
4666 }
4667
4668 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4669
4670 if (rc < 0)
4671 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4672 else if (rc > 0)
4673 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4674
4675}
4676
4677#ifdef BCM_CNIC
4678static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4679#endif
4680
Eric Dumazet1191cb82012-04-27 21:39:21 +00004681static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004682{
4683 netif_addr_lock_bh(bp->dev);
4684
4685 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4686
4687 /* Send rx_mode command again if was requested */
4688 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4689 bnx2x_set_storm_rx_mode(bp);
4690#ifdef BCM_CNIC
4691 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4692 &bp->sp_state))
4693 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4694 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4695 &bp->sp_state))
4696 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4697#endif
4698
4699 netif_addr_unlock_bh(bp->dev);
4700}
4701
Eric Dumazet1191cb82012-04-27 21:39:21 +00004702static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004703 union event_ring_elem *elem)
4704{
4705 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4706 DP(BNX2X_MSG_SP,
4707 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4708 elem->message.data.vif_list_event.func_bit_map);
4709 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4710 elem->message.data.vif_list_event.func_bit_map);
4711 } else if (elem->message.data.vif_list_event.echo ==
4712 VIF_LIST_RULE_SET) {
4713 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4714 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4715 }
4716}
4717
4718/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004719static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004720{
4721 int q, rc;
4722 struct bnx2x_fastpath *fp;
4723 struct bnx2x_queue_state_params queue_params = {NULL};
4724 struct bnx2x_queue_update_params *q_update_params =
4725 &queue_params.params.update;
4726
4727 /* Send Q update command with afex vlan removal values for all Qs */
4728 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4729
4730 /* set silent vlan removal values according to vlan mode */
4731 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4732 &q_update_params->update_flags);
4733 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4734 &q_update_params->update_flags);
4735 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4736
4737 /* in access mode mark mask and value are 0 to strip all vlans */
4738 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4739 q_update_params->silent_removal_value = 0;
4740 q_update_params->silent_removal_mask = 0;
4741 } else {
4742 q_update_params->silent_removal_value =
4743 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4744 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4745 }
4746
4747 for_each_eth_queue(bp, q) {
4748 /* Set the appropriate Queue object */
4749 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004750 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004751
4752 /* send the ramrod */
4753 rc = bnx2x_queue_state_change(bp, &queue_params);
4754 if (rc < 0)
4755 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4756 q);
4757 }
4758
4759#ifdef BCM_CNIC
4760 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004761 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004762 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004763
4764 /* clear pending completion bit */
4765 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4766
4767 /* mark latest Q bit */
4768 smp_mb__before_clear_bit();
4769 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4770 smp_mb__after_clear_bit();
4771
4772 /* send Q update ramrod for FCoE Q */
4773 rc = bnx2x_queue_state_change(bp, &queue_params);
4774 if (rc < 0)
4775 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4776 q);
4777 } else {
4778 /* If no FCoE ring - ACK MCP now */
4779 bnx2x_link_report(bp);
4780 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4781 }
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#endif /* BCM_CNIC */
4787}
4788
Eric Dumazet1191cb82012-04-27 21:39:21 +00004789static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004790 struct bnx2x *bp, u32 cid)
4791{
Joe Perches94f05b02011-08-14 12:16:20 +00004792 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004793#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004794 if (cid == BNX2X_FCOE_ETH_CID(bp))
Barak Witkowski15192a82012-06-19 07:48:28 +00004795 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004796 else
4797#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004798 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004799}
4800
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004801static void bnx2x_eq_int(struct bnx2x *bp)
4802{
4803 u16 hw_cons, sw_cons, sw_prod;
4804 union event_ring_elem *elem;
4805 u32 cid;
4806 u8 opcode;
4807 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004808 struct bnx2x_queue_sp_obj *q_obj;
4809 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4810 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004811
4812 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4813
4814 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4815 * when we get the the next-page we nned to adjust so the loop
4816 * condition below will be met. The next element is the size of a
4817 * regular element and hence incrementing by 1
4818 */
4819 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4820 hw_cons++;
4821
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004822 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004823 * specific bp, thus there is no need in "paired" read memory
4824 * barrier here.
4825 */
4826 sw_cons = bp->eq_cons;
4827 sw_prod = bp->eq_prod;
4828
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004829 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004830 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004831
4832 for (; sw_cons != hw_cons;
4833 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4834
4835
4836 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4837
4838 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4839 opcode = elem->message.opcode;
4840
4841
4842 /* handle eq element */
4843 switch (opcode) {
4844 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004845 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4846 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004847 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004848 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004849 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004850
4851 case EVENT_RING_OPCODE_CFC_DEL:
4852 /* handle according to cid range */
4853 /*
4854 * we may want to verify here that the bp state is
4855 * HALTING
4856 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004857 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004858 "got delete ramrod for MULTI[%d]\n", cid);
4859#ifdef BCM_CNIC
4860 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4861 goto next_spqe;
4862#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004863 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4864
4865 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4866 break;
4867
4868
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004869
4870 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004871
4872 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004873 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004874 if (f_obj->complete_cmd(bp, f_obj,
4875 BNX2X_F_CMD_TX_STOP))
4876 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004877 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4878 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004879
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004880 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004881 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004882 if (f_obj->complete_cmd(bp, f_obj,
4883 BNX2X_F_CMD_TX_START))
4884 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004885 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4886 goto next_spqe;
Barak Witkowskia3348722012-04-23 03:04:46 +00004887 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
4888 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4889 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4890 f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_AFEX_UPDATE);
4891
4892 /* We will perform the Queues update from sp_rtnl task
4893 * as all Queue SP operations should run under
4894 * rtnl_lock.
4895 */
4896 smp_mb__before_clear_bit();
4897 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4898 &bp->sp_rtnl_state);
4899 smp_mb__after_clear_bit();
4900
4901 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4902 goto next_spqe;
4903
4904 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4905 f_obj->complete_cmd(bp, f_obj,
4906 BNX2X_F_CMD_AFEX_VIFLISTS);
4907 bnx2x_after_afex_vif_lists(bp, elem);
4908 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004909 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004910 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4911 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004912 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4913 break;
4914
4915 goto next_spqe;
4916
4917 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004918 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4919 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004920 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4921 break;
4922
4923 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004924 }
4925
4926 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004927 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4928 BNX2X_STATE_OPEN):
4929 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004930 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004931 cid = elem->message.data.eth_event.echo &
4932 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004933 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004934 cid);
4935 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004936 break;
4937
4938 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4939 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004940 case (EVENT_RING_OPCODE_SET_MAC |
4941 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004942 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4943 BNX2X_STATE_OPEN):
4944 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4945 BNX2X_STATE_DIAG):
4946 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4947 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004948 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004949 bnx2x_handle_classification_eqe(bp, elem);
4950 break;
4951
4952 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4953 BNX2X_STATE_OPEN):
4954 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4955 BNX2X_STATE_DIAG):
4956 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4957 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004958 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004959 bnx2x_handle_mcast_eqe(bp);
4960 break;
4961
4962 case (EVENT_RING_OPCODE_FILTERS_RULES |
4963 BNX2X_STATE_OPEN):
4964 case (EVENT_RING_OPCODE_FILTERS_RULES |
4965 BNX2X_STATE_DIAG):
4966 case (EVENT_RING_OPCODE_FILTERS_RULES |
4967 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004968 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004969 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004970 break;
4971 default:
4972 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004973 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4974 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004975 }
4976next_spqe:
4977 spqe_cnt++;
4978 } /* for */
4979
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004980 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004981 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004982
4983 bp->eq_cons = sw_cons;
4984 bp->eq_prod = sw_prod;
4985 /* Make sure that above mem writes were issued towards the memory */
4986 smp_wmb();
4987
4988 /* update producer */
4989 bnx2x_update_eq_prod(bp, bp->eq_prod);
4990}
4991
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004992static void bnx2x_sp_task(struct work_struct *work)
4993{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004994 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995 u16 status;
4996
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004997 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004998/* if (status == 0) */
4999/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005000
Merav Sicron51c1a582012-03-18 10:33:38 +00005001 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005002
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005003 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005004 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005005 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005006 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005007 }
5008
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005009 /* SP events: STAT_QUERY and others */
5010 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005011#ifdef BCM_CNIC
5012 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005013
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005014 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005015 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5016 /*
5017 * Prevent local bottom-halves from running as
5018 * we are going to change the local NAPI list.
5019 */
5020 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005021 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005022 local_bh_enable();
5023 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005024#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005025 /* Handle EQ completions */
5026 bnx2x_eq_int(bp);
5027
5028 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5029 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5030
5031 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005032 }
5033
5034 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005035 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005036 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005038 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5039 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005040
5041 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5042 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5043 &bp->sp_state)) {
5044 bnx2x_link_report(bp);
5045 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5046 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005047}
5048
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005049irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005050{
5051 struct net_device *dev = dev_instance;
5052 struct bnx2x *bp = netdev_priv(dev);
5053
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005054 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5055 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005056
5057#ifdef BNX2X_STOP_ON_ERROR
5058 if (unlikely(bp->panic))
5059 return IRQ_HANDLED;
5060#endif
5061
Michael Chan993ac7b2009-10-10 13:46:56 +00005062#ifdef BCM_CNIC
5063 {
5064 struct cnic_ops *c_ops;
5065
5066 rcu_read_lock();
5067 c_ops = rcu_dereference(bp->cnic_ops);
5068 if (c_ops)
5069 c_ops->cnic_handler(bp->cnic_data, NULL);
5070 rcu_read_unlock();
5071 }
5072#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005073 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005074
5075 return IRQ_HANDLED;
5076}
5077
5078/* end of slow path */
5079
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005080
5081void bnx2x_drv_pulse(struct bnx2x *bp)
5082{
5083 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5084 bp->fw_drv_pulse_wr_seq);
5085}
5086
5087
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005088static void bnx2x_timer(unsigned long data)
5089{
5090 struct bnx2x *bp = (struct bnx2x *) data;
5091
5092 if (!netif_running(bp->dev))
5093 return;
5094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005095 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005096 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005097 u32 drv_pulse;
5098 u32 mcp_pulse;
5099
5100 ++bp->fw_drv_pulse_wr_seq;
5101 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5102 /* TBD - add SYSTEM_TIME */
5103 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005104 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005105
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005106 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005107 MCP_PULSE_SEQ_MASK);
5108 /* The delta between driver pulse and mcp response
5109 * should be 1 (before mcp response) or 0 (after mcp response)
5110 */
5111 if ((drv_pulse != mcp_pulse) &&
5112 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5113 /* someone lost a heartbeat... */
5114 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5115 drv_pulse, mcp_pulse);
5116 }
5117 }
5118
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005119 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005120 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005121
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005122 mod_timer(&bp->timer, jiffies + bp->current_interval);
5123}
5124
5125/* end of Statistics */
5126
5127/* nic init */
5128
5129/*
5130 * nic init service functions
5131 */
5132
Eric Dumazet1191cb82012-04-27 21:39:21 +00005133static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005134{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005135 u32 i;
5136 if (!(len%4) && !(addr%4))
5137 for (i = 0; i < len; i += 4)
5138 REG_WR(bp, addr + i, fill);
5139 else
5140 for (i = 0; i < len; i++)
5141 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005142
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005143}
5144
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005145/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005146static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5147 int fw_sb_id,
5148 u32 *sb_data_p,
5149 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005150{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005151 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005152 for (index = 0; index < data_size; index++)
5153 REG_WR(bp, BAR_CSTRORM_INTMEM +
5154 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5155 sizeof(u32)*index,
5156 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005157}
5158
Eric Dumazet1191cb82012-04-27 21:39:21 +00005159static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005160{
5161 u32 *sb_data_p;
5162 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005163 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005164 struct hc_status_block_data_e1x sb_data_e1x;
5165
5166 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005167 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005169 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005170 sb_data_e2.common.p_func.vf_valid = false;
5171 sb_data_p = (u32 *)&sb_data_e2;
5172 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5173 } else {
5174 memset(&sb_data_e1x, 0,
5175 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005176 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005177 sb_data_e1x.common.p_func.vf_valid = false;
5178 sb_data_p = (u32 *)&sb_data_e1x;
5179 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5180 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005181 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5182
5183 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5184 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5185 CSTORM_STATUS_BLOCK_SIZE);
5186 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5187 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5188 CSTORM_SYNC_BLOCK_SIZE);
5189}
5190
5191/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005192static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005193 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005194{
5195 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005196 int i;
5197 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5198 REG_WR(bp, BAR_CSTRORM_INTMEM +
5199 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5200 i*sizeof(u32),
5201 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005202}
5203
Eric Dumazet1191cb82012-04-27 21:39:21 +00005204static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005205{
5206 int func = BP_FUNC(bp);
5207 struct hc_sp_status_block_data sp_sb_data;
5208 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5209
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005210 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005211 sp_sb_data.p_func.vf_valid = false;
5212
5213 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5214
5215 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5216 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5217 CSTORM_SP_STATUS_BLOCK_SIZE);
5218 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5219 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5220 CSTORM_SP_SYNC_BLOCK_SIZE);
5221
5222}
5223
5224
Eric Dumazet1191cb82012-04-27 21:39:21 +00005225static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005226 int igu_sb_id, int igu_seg_id)
5227{
5228 hc_sm->igu_sb_id = igu_sb_id;
5229 hc_sm->igu_seg_id = igu_seg_id;
5230 hc_sm->timer_value = 0xFF;
5231 hc_sm->time_to_expire = 0xFFFFFFFF;
5232}
5233
David S. Miller8decf862011-09-22 03:23:13 -04005234
5235/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005236static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005237{
5238 /* zero out state machine indices */
5239 /* rx indices */
5240 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5241
5242 /* tx indices */
5243 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5244 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5245 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5246 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5247
5248 /* map indices */
5249 /* rx indices */
5250 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5251 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5252
5253 /* tx indices */
5254 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5255 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5256 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5257 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5258 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5259 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5260 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5261 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5262}
5263
stephen hemminger8d962862010-10-21 07:50:56 +00005264static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005265 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5266{
5267 int igu_seg_id;
5268
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005269 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005270 struct hc_status_block_data_e1x sb_data_e1x;
5271 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005272 int data_size;
5273 u32 *sb_data_p;
5274
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005275 if (CHIP_INT_MODE_IS_BC(bp))
5276 igu_seg_id = HC_SEG_ACCESS_NORM;
5277 else
5278 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005279
5280 bnx2x_zero_fp_sb(bp, fw_sb_id);
5281
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005282 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005283 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005284 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005285 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5286 sb_data_e2.common.p_func.vf_id = vfid;
5287 sb_data_e2.common.p_func.vf_valid = vf_valid;
5288 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5289 sb_data_e2.common.same_igu_sb_1b = true;
5290 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5291 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5292 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005293 sb_data_p = (u32 *)&sb_data_e2;
5294 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005295 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005296 } else {
5297 memset(&sb_data_e1x, 0,
5298 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005299 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005300 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5301 sb_data_e1x.common.p_func.vf_id = 0xff;
5302 sb_data_e1x.common.p_func.vf_valid = false;
5303 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5304 sb_data_e1x.common.same_igu_sb_1b = true;
5305 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5306 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5307 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005308 sb_data_p = (u32 *)&sb_data_e1x;
5309 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005310 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005311 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005312
5313 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5314 igu_sb_id, igu_seg_id);
5315 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5316 igu_sb_id, igu_seg_id);
5317
Merav Sicron51c1a582012-03-18 10:33:38 +00005318 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005319
5320 /* write indecies to HW */
5321 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5322}
5323
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005324static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005325 u16 tx_usec, u16 rx_usec)
5326{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005327 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005328 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005329 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5330 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5331 tx_usec);
5332 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5333 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5334 tx_usec);
5335 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5336 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5337 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005338}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005339
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005340static void bnx2x_init_def_sb(struct bnx2x *bp)
5341{
5342 struct host_sp_status_block *def_sb = bp->def_status_blk;
5343 dma_addr_t mapping = bp->def_status_blk_mapping;
5344 int igu_sp_sb_index;
5345 int igu_seg_id;
5346 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005347 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005348 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005349 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005350 int index;
5351 struct hc_sp_status_block_data sp_sb_data;
5352 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5353
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005354 if (CHIP_INT_MODE_IS_BC(bp)) {
5355 igu_sp_sb_index = DEF_SB_IGU_ID;
5356 igu_seg_id = HC_SEG_ACCESS_DEF;
5357 } else {
5358 igu_sp_sb_index = bp->igu_dsb_id;
5359 igu_seg_id = IGU_SEG_ACCESS_DEF;
5360 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361
5362 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005363 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005364 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005365 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005366
Eliezer Tamir49d66772008-02-28 11:53:13 -08005367 bp->attn_state = 0;
5368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005369 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5370 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005371 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5372 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005373 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005374 int sindex;
5375 /* take care of sig[0]..sig[4] */
5376 for (sindex = 0; sindex < 4; sindex++)
5377 bp->attn_group[index].sig[sindex] =
5378 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005379
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005380 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005381 /*
5382 * enable5 is separate from the rest of the registers,
5383 * and therefore the address skip is 4
5384 * and not 16 between the different groups
5385 */
5386 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005387 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005388 else
5389 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005390 }
5391
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005392 if (bp->common.int_block == INT_BLOCK_HC) {
5393 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5394 HC_REG_ATTN_MSG0_ADDR_L);
5395
5396 REG_WR(bp, reg_offset, U64_LO(section));
5397 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005398 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005399 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5400 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5401 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005403 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5404 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005406 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005408 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005409 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5410 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5411 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5412 sp_sb_data.igu_seg_id = igu_seg_id;
5413 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005414 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005415 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005416
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005417 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005418
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005419 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420}
5421
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005422void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424 int i;
5425
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005426 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005427 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005428 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005429}
5430
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005431static void bnx2x_init_sp_ring(struct bnx2x *bp)
5432{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005433 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005434 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005435
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005436 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5438 bp->spq_prod_bd = bp->spq;
5439 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440}
5441
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005442static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005443{
5444 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005445 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5446 union event_ring_elem *elem =
5447 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005449 elem->next_page.addr.hi =
5450 cpu_to_le32(U64_HI(bp->eq_mapping +
5451 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5452 elem->next_page.addr.lo =
5453 cpu_to_le32(U64_LO(bp->eq_mapping +
5454 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005455 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005456 bp->eq_cons = 0;
5457 bp->eq_prod = NUM_EQ_DESC;
5458 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005459 /* we want a warning message before it gets rought... */
5460 atomic_set(&bp->eq_spq_left,
5461 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005462}
5463
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005464
5465/* called with netif_addr_lock_bh() */
5466void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5467 unsigned long rx_mode_flags,
5468 unsigned long rx_accept_flags,
5469 unsigned long tx_accept_flags,
5470 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005471{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005472 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5473 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005474
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005475 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005476
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005477 /* Prepare ramrod parameters */
5478 ramrod_param.cid = 0;
5479 ramrod_param.cl_id = cl_id;
5480 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5481 ramrod_param.func_id = BP_FUNC(bp);
5482
5483 ramrod_param.pstate = &bp->sp_state;
5484 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5485
5486 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5487 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5488
5489 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5490
5491 ramrod_param.ramrod_flags = ramrod_flags;
5492 ramrod_param.rx_mode_flags = rx_mode_flags;
5493
5494 ramrod_param.rx_accept_flags = rx_accept_flags;
5495 ramrod_param.tx_accept_flags = tx_accept_flags;
5496
5497 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5498 if (rc < 0) {
5499 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5500 return;
5501 }
5502}
5503
5504/* called with netif_addr_lock_bh() */
5505void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5506{
5507 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5508 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5509
5510#ifdef BCM_CNIC
5511 if (!NO_FCOE(bp))
5512
5513 /* Configure rx_mode of FCoE Queue */
5514 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5515#endif
5516
5517 switch (bp->rx_mode) {
5518 case BNX2X_RX_MODE_NONE:
5519 /*
5520 * 'drop all' supersedes any accept flags that may have been
5521 * passed to the function.
5522 */
5523 break;
5524 case BNX2X_RX_MODE_NORMAL:
5525 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5526 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5527 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5528
5529 /* internal switching mode */
5530 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5531 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5532 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5533
5534 break;
5535 case BNX2X_RX_MODE_ALLMULTI:
5536 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5537 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5538 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5539
5540 /* internal switching mode */
5541 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5542 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5543 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5544
5545 break;
5546 case BNX2X_RX_MODE_PROMISC:
5547 /* According to deffinition of SI mode, iface in promisc mode
5548 * should receive matched and unmatched (in resolution of port)
5549 * unicast packets.
5550 */
5551 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5552 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5553 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5554 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5555
5556 /* internal switching mode */
5557 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5558 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5559
5560 if (IS_MF_SI(bp))
5561 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5562 else
5563 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5564
5565 break;
5566 default:
5567 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5568 return;
5569 }
5570
5571 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5572 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5573 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5574 }
5575
5576 __set_bit(RAMROD_RX, &ramrod_flags);
5577 __set_bit(RAMROD_TX, &ramrod_flags);
5578
5579 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5580 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005581}
5582
Eilon Greenstein471de712008-08-13 15:49:35 -07005583static void bnx2x_init_internal_common(struct bnx2x *bp)
5584{
5585 int i;
5586
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005587 if (IS_MF_SI(bp))
5588 /*
5589 * In switch independent mode, the TSTORM needs to accept
5590 * packets that failed classification, since approximate match
5591 * mac addresses aren't written to NIG LLH
5592 */
5593 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5594 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005595 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5596 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5597 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005598
Eilon Greenstein471de712008-08-13 15:49:35 -07005599 /* Zero this manually as its initialization is
5600 currently missing in the initTool */
5601 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5602 REG_WR(bp, BAR_USTRORM_INTMEM +
5603 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005604 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005605 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5606 CHIP_INT_MODE_IS_BC(bp) ?
5607 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5608 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005609}
5610
Eilon Greenstein471de712008-08-13 15:49:35 -07005611static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5612{
5613 switch (load_code) {
5614 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005615 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005616 bnx2x_init_internal_common(bp);
5617 /* no break */
5618
5619 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005620 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005621 /* no break */
5622
5623 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005624 /* internal memory per function is
5625 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005626 break;
5627
5628 default:
5629 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5630 break;
5631 }
5632}
5633
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005634static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5635{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005636 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005637}
5638
5639static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5640{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005641 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005642}
5643
Eric Dumazet1191cb82012-04-27 21:39:21 +00005644static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005645{
5646 if (CHIP_IS_E1x(fp->bp))
5647 return BP_L_ID(fp->bp) + fp->index;
5648 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5649 return bnx2x_fp_igu_sb_id(fp);
5650}
5651
Ariel Elior6383c0b2011-07-14 08:31:57 +00005652static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653{
5654 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005655 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005656 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005657 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005658 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005659 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005660 fp->cl_id = bnx2x_fp_cl_id(fp);
5661 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5662 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005663 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005664 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5665
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005666 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005667 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005668
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005669 /* Setup SB indicies */
5670 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005671
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005672 /* Configure Queue State object */
5673 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5674 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005675
5676 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5677
5678 /* init tx data */
5679 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005680 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5681 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5682 FP_COS_TO_TXQ(fp, cos, bp),
5683 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5684 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005685 }
5686
Barak Witkowski15192a82012-06-19 07:48:28 +00005687 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5688 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005689 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005690
5691 /**
5692 * Configure classification DBs: Always enable Tx switching
5693 */
5694 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5695
Merav Sicron51c1a582012-03-18 10:33:38 +00005696 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 +03005697 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005698 fp->igu_sb_id);
5699 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5700 fp->fw_sb_id, fp->igu_sb_id);
5701
5702 bnx2x_update_fpsb_idx(fp);
5703}
5704
Eric Dumazet1191cb82012-04-27 21:39:21 +00005705static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5706{
5707 int i;
5708
5709 for (i = 1; i <= NUM_TX_RINGS; i++) {
5710 struct eth_tx_next_bd *tx_next_bd =
5711 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5712
5713 tx_next_bd->addr_hi =
5714 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5715 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5716 tx_next_bd->addr_lo =
5717 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5718 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5719 }
5720
5721 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5722 txdata->tx_db.data.zero_fill1 = 0;
5723 txdata->tx_db.data.prod = 0;
5724
5725 txdata->tx_pkt_prod = 0;
5726 txdata->tx_pkt_cons = 0;
5727 txdata->tx_bd_prod = 0;
5728 txdata->tx_bd_cons = 0;
5729 txdata->tx_pkt = 0;
5730}
5731
5732static void bnx2x_init_tx_rings(struct bnx2x *bp)
5733{
5734 int i;
5735 u8 cos;
5736
5737 for_each_tx_queue(bp, i)
5738 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005739 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005740}
5741
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005742void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005743{
5744 int i;
5745
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005746 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005747 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005748#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005749 if (!NO_FCOE(bp))
5750 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005751
5752 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5753 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005754 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005755
Michael Chan37b091b2009-10-10 13:46:55 +00005756#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005757
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005758 /* Initialize MOD_ABS interrupts */
5759 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5760 bp->common.shmem_base, bp->common.shmem2_base,
5761 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005762 /* ensure status block indices were read */
5763 rmb();
5764
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005765 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005766 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005767 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005768 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005769 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005770 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005771 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005772 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005773 bnx2x_stats_init(bp);
5774
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005775 /* flush all before enabling interrupts */
5776 mb();
5777 mmiowb();
5778
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005779 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005780
5781 /* Check for SPIO5 */
5782 bnx2x_attn_int_deasserted0(bp,
5783 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5784 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005785}
5786
5787/* end of nic init */
5788
5789/*
5790 * gzip service functions
5791 */
5792
5793static int bnx2x_gunzip_init(struct bnx2x *bp)
5794{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005795 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5796 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005797 if (bp->gunzip_buf == NULL)
5798 goto gunzip_nomem1;
5799
5800 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5801 if (bp->strm == NULL)
5802 goto gunzip_nomem2;
5803
David S. Miller7ab24bf2011-06-29 05:48:41 -07005804 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005805 if (bp->strm->workspace == NULL)
5806 goto gunzip_nomem3;
5807
5808 return 0;
5809
5810gunzip_nomem3:
5811 kfree(bp->strm);
5812 bp->strm = NULL;
5813
5814gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005815 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5816 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005817 bp->gunzip_buf = NULL;
5818
5819gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005820 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005821 return -ENOMEM;
5822}
5823
5824static void bnx2x_gunzip_end(struct bnx2x *bp)
5825{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005826 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005827 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005828 kfree(bp->strm);
5829 bp->strm = NULL;
5830 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005831
5832 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005833 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5834 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005835 bp->gunzip_buf = NULL;
5836 }
5837}
5838
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005839static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005840{
5841 int n, rc;
5842
5843 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005844 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5845 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005846 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005847 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005848
5849 n = 10;
5850
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005851#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005852
5853 if (zbuf[3] & FNAME)
5854 while ((zbuf[n++] != 0) && (n < len));
5855
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005856 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005857 bp->strm->avail_in = len - n;
5858 bp->strm->next_out = bp->gunzip_buf;
5859 bp->strm->avail_out = FW_BUF_SIZE;
5860
5861 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5862 if (rc != Z_OK)
5863 return rc;
5864
5865 rc = zlib_inflate(bp->strm, Z_FINISH);
5866 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005867 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5868 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005869
5870 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5871 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005872 netdev_err(bp->dev,
5873 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005874 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005875 bp->gunzip_outlen >>= 2;
5876
5877 zlib_inflateEnd(bp->strm);
5878
5879 if (rc == Z_STREAM_END)
5880 return 0;
5881
5882 return rc;
5883}
5884
5885/* nic load/unload */
5886
5887/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005888 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005889 */
5890
5891/* send a NIG loopback debug packet */
5892static void bnx2x_lb_pckt(struct bnx2x *bp)
5893{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005894 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005895
5896 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005897 wb_write[0] = 0x55555555;
5898 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005899 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005900 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005901
5902 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005903 wb_write[0] = 0x09000000;
5904 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005905 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005906 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005907}
5908
5909/* some of the internal memories
5910 * are not directly readable from the driver
5911 * to test them we send debug packets
5912 */
5913static int bnx2x_int_mem_test(struct bnx2x *bp)
5914{
5915 int factor;
5916 int count, i;
5917 u32 val = 0;
5918
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005919 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005921 else if (CHIP_REV_IS_EMUL(bp))
5922 factor = 200;
5923 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005924 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005926 /* Disable inputs of parser neighbor blocks */
5927 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5928 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5929 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005930 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005931
5932 /* Write 0 to parser credits for CFC search request */
5933 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5934
5935 /* send Ethernet packet */
5936 bnx2x_lb_pckt(bp);
5937
5938 /* TODO do i reset NIG statistic? */
5939 /* Wait until NIG register shows 1 packet of size 0x10 */
5940 count = 1000 * factor;
5941 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005942
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005943 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5944 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005945 if (val == 0x10)
5946 break;
5947
5948 msleep(10);
5949 count--;
5950 }
5951 if (val != 0x10) {
5952 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5953 return -1;
5954 }
5955
5956 /* Wait until PRS register shows 1 packet */
5957 count = 1000 * factor;
5958 while (count) {
5959 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005960 if (val == 1)
5961 break;
5962
5963 msleep(10);
5964 count--;
5965 }
5966 if (val != 0x1) {
5967 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5968 return -2;
5969 }
5970
5971 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005972 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005974 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005976 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5977 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978
5979 DP(NETIF_MSG_HW, "part2\n");
5980
5981 /* Disable inputs of parser neighbor blocks */
5982 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5983 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5984 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005985 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986
5987 /* Write 0 to parser credits for CFC search request */
5988 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5989
5990 /* send 10 Ethernet packets */
5991 for (i = 0; i < 10; i++)
5992 bnx2x_lb_pckt(bp);
5993
5994 /* Wait until NIG register shows 10 + 1
5995 packets of size 11*0x10 = 0xb0 */
5996 count = 1000 * factor;
5997 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005998
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6000 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006001 if (val == 0xb0)
6002 break;
6003
6004 msleep(10);
6005 count--;
6006 }
6007 if (val != 0xb0) {
6008 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6009 return -3;
6010 }
6011
6012 /* Wait until PRS register shows 2 packets */
6013 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6014 if (val != 2)
6015 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6016
6017 /* Write 1 to parser credits for CFC search request */
6018 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6019
6020 /* Wait until PRS register shows 3 packets */
6021 msleep(10 * factor);
6022 /* Wait until NIG register shows 1 packet of size 0x10 */
6023 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6024 if (val != 3)
6025 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6026
6027 /* clear NIG EOP FIFO */
6028 for (i = 0; i < 11; i++)
6029 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6030 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6031 if (val != 1) {
6032 BNX2X_ERR("clear of NIG failed\n");
6033 return -4;
6034 }
6035
6036 /* Reset and init BRB, PRS, NIG */
6037 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6038 msleep(50);
6039 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6040 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006041 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6042 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006043#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044 /* set NIC mode */
6045 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6046#endif
6047
6048 /* Enable inputs of parser neighbor blocks */
6049 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6050 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6051 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006052 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053
6054 DP(NETIF_MSG_HW, "done\n");
6055
6056 return 0; /* OK */
6057}
6058
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006059static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060{
6061 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006062 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006063 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6064 else
6065 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006066 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6067 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006068 /*
6069 * mask read length error interrupts in brb for parser
6070 * (parsing unit and 'checksum and crc' unit)
6071 * these errors are legal (PU reads fixed length and CAC can cause
6072 * read length error on truncated packets)
6073 */
6074 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006075 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6076 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6077 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6078 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6079 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006080/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6081/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6083 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6084 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006085/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6086/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006087 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6088 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6089 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6090 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006091/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6092/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006094 if (CHIP_REV_IS_FPGA(bp))
6095 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006096 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006097 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6098 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6099 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6100 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6101 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6102 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006103 else
6104 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6106 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6107 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006108/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006109
6110 if (!CHIP_IS_E1x(bp))
6111 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6112 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6113
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006114 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6115 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006116/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006117 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006118}
6119
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006120static void bnx2x_reset_common(struct bnx2x *bp)
6121{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006122 u32 val = 0x1400;
6123
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006124 /* reset_common */
6125 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6126 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006127
6128 if (CHIP_IS_E3(bp)) {
6129 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6130 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6131 }
6132
6133 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6134}
6135
6136static void bnx2x_setup_dmae(struct bnx2x *bp)
6137{
6138 bp->dmae_ready = 0;
6139 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006140}
6141
Eilon Greenstein573f2032009-08-12 08:24:14 +00006142static void bnx2x_init_pxp(struct bnx2x *bp)
6143{
6144 u16 devctl;
6145 int r_order, w_order;
6146
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006147 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006148 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6149 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6150 if (bp->mrrs == -1)
6151 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6152 else {
6153 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6154 r_order = bp->mrrs;
6155 }
6156
6157 bnx2x_init_pxp_arb(bp, r_order, w_order);
6158}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006159
6160static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6161{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006162 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006163 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006164 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006165
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006166 if (BP_NOMCP(bp))
6167 return;
6168
6169 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006170 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6171 SHARED_HW_CFG_FAN_FAILURE_MASK;
6172
6173 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6174 is_required = 1;
6175
6176 /*
6177 * The fan failure mechanism is usually related to the PHY type since
6178 * the power consumption of the board is affected by the PHY. Currently,
6179 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6180 */
6181 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6182 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006183 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006184 bnx2x_fan_failure_det_req(
6185 bp,
6186 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006187 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006188 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006189 }
6190
6191 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6192
6193 if (is_required == 0)
6194 return;
6195
6196 /* Fan failure is indicated by SPIO 5 */
6197 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6198 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6199
6200 /* set to active low mode */
6201 val = REG_RD(bp, MISC_REG_SPIO_INT);
6202 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006203 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006204 REG_WR(bp, MISC_REG_SPIO_INT, val);
6205
6206 /* enable interrupt to signal the IGU */
6207 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6208 val |= (1 << MISC_REGISTERS_SPIO_5);
6209 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6210}
6211
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006212static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6213{
6214 u32 offset = 0;
6215
6216 if (CHIP_IS_E1(bp))
6217 return;
6218 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6219 return;
6220
6221 switch (BP_ABS_FUNC(bp)) {
6222 case 0:
6223 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6224 break;
6225 case 1:
6226 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6227 break;
6228 case 2:
6229 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6230 break;
6231 case 3:
6232 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6233 break;
6234 case 4:
6235 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6236 break;
6237 case 5:
6238 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6239 break;
6240 case 6:
6241 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6242 break;
6243 case 7:
6244 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6245 break;
6246 default:
6247 return;
6248 }
6249
6250 REG_WR(bp, offset, pretend_func_num);
6251 REG_RD(bp, offset);
6252 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6253}
6254
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006255void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006256{
6257 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6258 val &= ~IGU_PF_CONF_FUNC_EN;
6259
6260 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6261 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6262 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6263}
6264
Eric Dumazet1191cb82012-04-27 21:39:21 +00006265static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006266{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006267 u32 shmem_base[2], shmem2_base[2];
6268 shmem_base[0] = bp->common.shmem_base;
6269 shmem2_base[0] = bp->common.shmem2_base;
6270 if (!CHIP_IS_E1x(bp)) {
6271 shmem_base[1] =
6272 SHMEM2_RD(bp, other_shmem_base_addr);
6273 shmem2_base[1] =
6274 SHMEM2_RD(bp, other_shmem2_base_addr);
6275 }
6276 bnx2x_acquire_phy_lock(bp);
6277 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6278 bp->common.chip_id);
6279 bnx2x_release_phy_lock(bp);
6280}
6281
6282/**
6283 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6284 *
6285 * @bp: driver handle
6286 */
6287static int bnx2x_init_hw_common(struct bnx2x *bp)
6288{
6289 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006290
Merav Sicron51c1a582012-03-18 10:33:38 +00006291 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006292
David S. Miller823dcd22011-08-20 10:39:12 -07006293 /*
6294 * take the UNDI lock to protect undi_unload flow from accessing
6295 * registers while we're resetting the chip
6296 */
David S. Miller8decf862011-09-22 03:23:13 -04006297 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006298
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006299 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006300 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006302 val = 0xfffc;
6303 if (CHIP_IS_E3(bp)) {
6304 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6305 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6306 }
6307 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006308
David S. Miller8decf862011-09-22 03:23:13 -04006309 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006310
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006311 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6312
6313 if (!CHIP_IS_E1x(bp)) {
6314 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006315
6316 /**
6317 * 4-port mode or 2-port mode we need to turn of master-enable
6318 * for everyone, after that, turn it back on for self.
6319 * so, we disregard multi-function or not, and always disable
6320 * for all functions on the given path, this means 0,2,4,6 for
6321 * path 0 and 1,3,5,7 for path 1
6322 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006323 for (abs_func_id = BP_PATH(bp);
6324 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6325 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006326 REG_WR(bp,
6327 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6328 1);
6329 continue;
6330 }
6331
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006332 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006333 /* clear pf enable */
6334 bnx2x_pf_disable(bp);
6335 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6336 }
6337 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006339 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006340 if (CHIP_IS_E1(bp)) {
6341 /* enable HW interrupt from PXP on USDM overflow
6342 bit 16 on INT_MASK_0 */
6343 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006344 }
6345
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006346 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006347 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006348
6349#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006350 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6351 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6352 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6353 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6354 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006355 /* make sure this value is 0 */
6356 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006358/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6359 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6360 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6361 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6362 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006363#endif
6364
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006365 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6366
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006367 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6368 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006370 /* let the HW do it's magic ... */
6371 msleep(100);
6372 /* finish PXP init */
6373 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6374 if (val != 1) {
6375 BNX2X_ERR("PXP2 CFG failed\n");
6376 return -EBUSY;
6377 }
6378 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6379 if (val != 1) {
6380 BNX2X_ERR("PXP2 RD_INIT failed\n");
6381 return -EBUSY;
6382 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006383
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006384 /* Timers bug workaround E2 only. We need to set the entire ILT to
6385 * have entries with value "0" and valid bit on.
6386 * This needs to be done by the first PF that is loaded in a path
6387 * (i.e. common phase)
6388 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006389 if (!CHIP_IS_E1x(bp)) {
6390/* In E2 there is a bug in the timers block that can cause function 6 / 7
6391 * (i.e. vnic3) to start even if it is marked as "scan-off".
6392 * This occurs when a different function (func2,3) is being marked
6393 * as "scan-off". Real-life scenario for example: if a driver is being
6394 * load-unloaded while func6,7 are down. This will cause the timer to access
6395 * the ilt, translate to a logical address and send a request to read/write.
6396 * Since the ilt for the function that is down is not valid, this will cause
6397 * a translation error which is unrecoverable.
6398 * The Workaround is intended to make sure that when this happens nothing fatal
6399 * will occur. The workaround:
6400 * 1. First PF driver which loads on a path will:
6401 * a. After taking the chip out of reset, by using pretend,
6402 * it will write "0" to the following registers of
6403 * the other vnics.
6404 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6405 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6406 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6407 * And for itself it will write '1' to
6408 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6409 * dmae-operations (writing to pram for example.)
6410 * note: can be done for only function 6,7 but cleaner this
6411 * way.
6412 * b. Write zero+valid to the entire ILT.
6413 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6414 * VNIC3 (of that port). The range allocated will be the
6415 * entire ILT. This is needed to prevent ILT range error.
6416 * 2. Any PF driver load flow:
6417 * a. ILT update with the physical addresses of the allocated
6418 * logical pages.
6419 * b. Wait 20msec. - note that this timeout is needed to make
6420 * sure there are no requests in one of the PXP internal
6421 * queues with "old" ILT addresses.
6422 * c. PF enable in the PGLC.
6423 * d. Clear the was_error of the PF in the PGLC. (could have
6424 * occured while driver was down)
6425 * e. PF enable in the CFC (WEAK + STRONG)
6426 * f. Timers scan enable
6427 * 3. PF driver unload flow:
6428 * a. Clear the Timers scan_en.
6429 * b. Polling for scan_on=0 for that PF.
6430 * c. Clear the PF enable bit in the PXP.
6431 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6432 * e. Write zero+valid to all ILT entries (The valid bit must
6433 * stay set)
6434 * f. If this is VNIC 3 of a port then also init
6435 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6436 * to the last enrty in the ILT.
6437 *
6438 * Notes:
6439 * Currently the PF error in the PGLC is non recoverable.
6440 * In the future the there will be a recovery routine for this error.
6441 * Currently attention is masked.
6442 * Having an MCP lock on the load/unload process does not guarantee that
6443 * there is no Timer disable during Func6/7 enable. This is because the
6444 * Timers scan is currently being cleared by the MCP on FLR.
6445 * Step 2.d can be done only for PF6/7 and the driver can also check if
6446 * there is error before clearing it. But the flow above is simpler and
6447 * more general.
6448 * All ILT entries are written by zero+valid and not just PF6/7
6449 * ILT entries since in the future the ILT entries allocation for
6450 * PF-s might be dynamic.
6451 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006452 struct ilt_client_info ilt_cli;
6453 struct bnx2x_ilt ilt;
6454 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6455 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6456
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006457 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006458 ilt_cli.start = 0;
6459 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6460 ilt_cli.client_num = ILT_CLIENT_TM;
6461
6462 /* Step 1: set zeroes to all ilt page entries with valid bit on
6463 * Step 2: set the timers first/last ilt entry to point
6464 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006465 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006466 *
6467 * both steps performed by call to bnx2x_ilt_client_init_op()
6468 * with dummy TM client
6469 *
6470 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6471 * and his brother are split registers
6472 */
6473 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6474 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6475 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6476
6477 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6478 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6479 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6480 }
6481
6482
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006483 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6484 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006486 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006487 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6488 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006489 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006490
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006491 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006492
6493 /* let the HW do it's magic ... */
6494 do {
6495 msleep(200);
6496 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6497 } while (factor-- && (val != 1));
6498
6499 if (val != 1) {
6500 BNX2X_ERR("ATC_INIT failed\n");
6501 return -EBUSY;
6502 }
6503 }
6504
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006505 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006507 /* clean the DMAE memory */
6508 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006509 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006511 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6512
6513 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6514
6515 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6516
6517 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006518
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006519 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6520 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6521 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6522 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6523
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006524 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006525
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006526
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006527 /* QM queues pointers table */
6528 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006529
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006530 /* soft reset pulse */
6531 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6532 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006533
Michael Chan37b091b2009-10-10 13:46:55 +00006534#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006535 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006536#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006537
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006538 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006539 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006540 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006541 /* enable hw interrupt from doorbell Q */
6542 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006543
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006544 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006545
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006546 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006547 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006548
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006549 if (!CHIP_IS_E1(bp))
6550 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6551
Barak Witkowskia3348722012-04-23 03:04:46 +00006552 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6553 if (IS_MF_AFEX(bp)) {
6554 /* configure that VNTag and VLAN headers must be
6555 * received in afex mode
6556 */
6557 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6558 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6559 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6560 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6561 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6562 } else {
6563 /* Bit-map indicating which L2 hdrs may appear
6564 * after the basic Ethernet header
6565 */
6566 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6567 bp->path_has_ovlan ? 7 : 6);
6568 }
6569 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006570
6571 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6572 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6573 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6574 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6575
6576 if (!CHIP_IS_E1x(bp)) {
6577 /* reset VFC memories */
6578 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6579 VFC_MEMORIES_RST_REG_CAM_RST |
6580 VFC_MEMORIES_RST_REG_RAM_RST);
6581 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6582 VFC_MEMORIES_RST_REG_CAM_RST |
6583 VFC_MEMORIES_RST_REG_RAM_RST);
6584
6585 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006586 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006587
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006588 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6589 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6590 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6591 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006592
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006593 /* sync semi rtc */
6594 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6595 0x80000000);
6596 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6597 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006598
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006599 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6600 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6601 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006602
Barak Witkowskia3348722012-04-23 03:04:46 +00006603 if (!CHIP_IS_E1x(bp)) {
6604 if (IS_MF_AFEX(bp)) {
6605 /* configure that VNTag and VLAN headers must be
6606 * sent in afex mode
6607 */
6608 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6609 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6610 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6611 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6612 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6613 } else {
6614 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6615 bp->path_has_ovlan ? 7 : 6);
6616 }
6617 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006618
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006619 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006621 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6622
Michael Chan37b091b2009-10-10 13:46:55 +00006623#ifdef BCM_CNIC
6624 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6625 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6626 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6627 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6628 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6629 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6630 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6631 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6632 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6633 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6634#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006635 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006636
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006637 if (sizeof(union cdu_context) != 1024)
6638 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006639 dev_alert(&bp->pdev->dev,
6640 "please adjust the size of cdu_context(%ld)\n",
6641 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006642
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006643 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006644 val = (4 << 24) + (0 << 12) + 1024;
6645 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006646
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006647 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006648 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006649 /* enable context validation interrupt from CFC */
6650 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6651
6652 /* set the thresholds to prevent CFC/CDU race */
6653 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006654
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006655 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006656
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006657 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006658 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6659
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006660 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6661 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006662
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006663 /* Reset PCIE errors for debug */
6664 REG_WR(bp, 0x2814, 0xffffffff);
6665 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006666
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006667 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006668 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6669 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6670 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6671 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6672 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6673 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6674 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6675 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6676 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6677 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6678 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6679 }
6680
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006681 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006682 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006683 /* in E3 this done in per-port section */
6684 if (!CHIP_IS_E3(bp))
6685 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6686 }
6687 if (CHIP_IS_E1H(bp))
6688 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006689 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006690
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006691 if (CHIP_REV_IS_SLOW(bp))
6692 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006693
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006694 /* finish CFC init */
6695 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6696 if (val != 1) {
6697 BNX2X_ERR("CFC LL_INIT failed\n");
6698 return -EBUSY;
6699 }
6700 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6701 if (val != 1) {
6702 BNX2X_ERR("CFC AC_INIT failed\n");
6703 return -EBUSY;
6704 }
6705 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6706 if (val != 1) {
6707 BNX2X_ERR("CFC CAM_INIT failed\n");
6708 return -EBUSY;
6709 }
6710 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006711
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006712 if (CHIP_IS_E1(bp)) {
6713 /* read NIG statistic
6714 to see if this is our first up since powerup */
6715 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6716 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006717
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006718 /* do internal memory self test */
6719 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6720 BNX2X_ERR("internal mem self test failed\n");
6721 return -EBUSY;
6722 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006723 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006724
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006725 bnx2x_setup_fan_failure_detection(bp);
6726
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006727 /* clear PXP2 attentions */
6728 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006729
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006730 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006731 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006732
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006733 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006734 if (CHIP_IS_E1x(bp))
6735 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006736 } else
6737 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6738
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006739 return 0;
6740}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006741
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006742/**
6743 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6744 *
6745 * @bp: driver handle
6746 */
6747static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6748{
6749 int rc = bnx2x_init_hw_common(bp);
6750
6751 if (rc)
6752 return rc;
6753
6754 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6755 if (!BP_NOMCP(bp))
6756 bnx2x__common_init_phy(bp);
6757
6758 return 0;
6759}
6760
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006761static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006762{
6763 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006764 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006765 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006766 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006767
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006768 bnx2x__link_reset(bp);
6769
Merav Sicron51c1a582012-03-18 10:33:38 +00006770 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006771
6772 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006774 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6775 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6776 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006777
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006778 /* Timers bug workaround: disables the pf_master bit in pglue at
6779 * common phase, we need to enable it here before any dmae access are
6780 * attempted. Therefore we manually added the enable-master to the
6781 * port phase (it also happens in the function phase)
6782 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006783 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006784 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6785
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006786 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6787 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6788 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6789 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6790
6791 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6792 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6793 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6794 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006795
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006796 /* QM cid (connection) count */
6797 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006798
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006799#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006800 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006801 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6802 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006803#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006804
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006805 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006806
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006807 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006808 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6809
6810 if (IS_MF(bp))
6811 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6812 else if (bp->dev->mtu > 4096) {
6813 if (bp->flags & ONE_PORT_FLAG)
6814 low = 160;
6815 else {
6816 val = bp->dev->mtu;
6817 /* (24*1024 + val*4)/256 */
6818 low = 96 + (val/64) +
6819 ((val % 64) ? 1 : 0);
6820 }
6821 } else
6822 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6823 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006824 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6825 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6826 }
6827
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006828 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006829 REG_WR(bp, (BP_PORT(bp) ?
6830 BRB1_REG_MAC_GUARANTIED_1 :
6831 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006832
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006833
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006834 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006835 if (CHIP_IS_E3B0(bp)) {
6836 if (IS_MF_AFEX(bp)) {
6837 /* configure headers for AFEX mode */
6838 REG_WR(bp, BP_PORT(bp) ?
6839 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6840 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6841 REG_WR(bp, BP_PORT(bp) ?
6842 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6843 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6844 REG_WR(bp, BP_PORT(bp) ?
6845 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6846 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6847 } else {
6848 /* Ovlan exists only if we are in multi-function +
6849 * switch-dependent mode, in switch-independent there
6850 * is no ovlan headers
6851 */
6852 REG_WR(bp, BP_PORT(bp) ?
6853 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6854 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6855 (bp->path_has_ovlan ? 7 : 6));
6856 }
6857 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006858
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006859 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6860 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6861 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6862 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6863
6864 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6865 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6866 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6867 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6868
6869 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6870 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6871
6872 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6873
6874 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006875 /* configure PBF to work without PAUSE mtu 9000 */
6876 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006877
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006878 /* update threshold */
6879 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6880 /* update init credit */
6881 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006882
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006883 /* probe changes */
6884 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6885 udelay(50);
6886 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6887 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006888
Michael Chan37b091b2009-10-10 13:46:55 +00006889#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006890 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006891#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006892 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6893 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006894
6895 if (CHIP_IS_E1(bp)) {
6896 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6897 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6898 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006899 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006900
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006901 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006902
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006903 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006904 /* init aeu_mask_attn_func_0/1:
6905 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6906 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6907 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006908 val = IS_MF(bp) ? 0xF7 : 0x7;
6909 /* Enable DCBX attention for all but E1 */
6910 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6911 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006912
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006913 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006914
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006915 if (!CHIP_IS_E1x(bp)) {
6916 /* Bit-map indicating which L2 hdrs may appear after the
6917 * basic Ethernet header
6918 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006919 if (IS_MF_AFEX(bp))
6920 REG_WR(bp, BP_PORT(bp) ?
6921 NIG_REG_P1_HDRS_AFTER_BASIC :
6922 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6923 else
6924 REG_WR(bp, BP_PORT(bp) ?
6925 NIG_REG_P1_HDRS_AFTER_BASIC :
6926 NIG_REG_P0_HDRS_AFTER_BASIC,
6927 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006928
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006929 if (CHIP_IS_E3(bp))
6930 REG_WR(bp, BP_PORT(bp) ?
6931 NIG_REG_LLH1_MF_MODE :
6932 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6933 }
6934 if (!CHIP_IS_E3(bp))
6935 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006936
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006937 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006938 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006939 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006940 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006941
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006942 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006943 val = 0;
6944 switch (bp->mf_mode) {
6945 case MULTI_FUNCTION_SD:
6946 val = 1;
6947 break;
6948 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006949 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006950 val = 2;
6951 break;
6952 }
6953
6954 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6955 NIG_REG_LLH0_CLS_TYPE), val);
6956 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006957 {
6958 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6959 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6960 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6961 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006962 }
6963
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006964
6965 /* If SPIO5 is set to generate interrupts, enable it for this port */
6966 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6967 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006968 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6969 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6970 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006971 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006972 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006973 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006975 return 0;
6976}
6977
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006978static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6979{
6980 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006981 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006982
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006983 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006984 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006985 else
6986 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006987
Yuval Mintz32d68de2012-04-03 18:41:24 +00006988 wb_write[0] = ONCHIP_ADDR1(addr);
6989 wb_write[1] = ONCHIP_ADDR2(addr);
6990 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006991}
6992
Eric Dumazet1191cb82012-04-27 21:39:21 +00006993static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6994 u8 idu_sb_id, bool is_Pf)
6995{
6996 u32 data, ctl, cnt = 100;
6997 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
6998 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
6999 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7000 u32 sb_bit = 1 << (idu_sb_id%32);
7001 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
7002 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7003
7004 /* Not supported in BC mode */
7005 if (CHIP_INT_MODE_IS_BC(bp))
7006 return;
7007
7008 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7009 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7010 IGU_REGULAR_CLEANUP_SET |
7011 IGU_REGULAR_BCLEANUP;
7012
7013 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7014 func_encode << IGU_CTRL_REG_FID_SHIFT |
7015 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7016
7017 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7018 data, igu_addr_data);
7019 REG_WR(bp, igu_addr_data, data);
7020 mmiowb();
7021 barrier();
7022 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7023 ctl, igu_addr_ctl);
7024 REG_WR(bp, igu_addr_ctl, ctl);
7025 mmiowb();
7026 barrier();
7027
7028 /* wait for clean up to finish */
7029 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7030 msleep(20);
7031
7032
7033 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7034 DP(NETIF_MSG_HW,
7035 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7036 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7037 }
7038}
7039
7040static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007041{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007042 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007043}
7044
Eric Dumazet1191cb82012-04-27 21:39:21 +00007045static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007046{
7047 u32 i, base = FUNC_ILT_BASE(func);
7048 for (i = base; i < base + ILT_PER_FUNC; i++)
7049 bnx2x_ilt_wr(bp, i, 0);
7050}
7051
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007052static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007053{
7054 int port = BP_PORT(bp);
7055 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007056 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007057 struct bnx2x_ilt *ilt = BP_ILT(bp);
7058 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007059 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007060 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007061 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007062
Merav Sicron51c1a582012-03-18 10:33:38 +00007063 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007064
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007065 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007066 if (!CHIP_IS_E1x(bp)) {
7067 rc = bnx2x_pf_flr_clnup(bp);
7068 if (rc)
7069 return rc;
7070 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007071
Eilon Greenstein8badd272009-02-12 08:36:15 +00007072 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007073 if (bp->common.int_block == INT_BLOCK_HC) {
7074 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7075 val = REG_RD(bp, addr);
7076 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7077 REG_WR(bp, addr, val);
7078 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007079
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007080 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7081 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7082
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007083 ilt = BP_ILT(bp);
7084 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007085
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007086 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007087 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007088 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007089 bp->context[i].cxt_mapping;
7090 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007091 }
7092 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007093
Michael Chan37b091b2009-10-10 13:46:55 +00007094#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007095 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00007096
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007097 /* T1 hash bits value determines the T1 number of entries */
7098 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00007099#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007100
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007101#ifndef BCM_CNIC
7102 /* set NIC mode */
7103 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7104#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007105
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007106 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007107 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7108
7109 /* Turn on a single ISR mode in IGU if driver is going to use
7110 * INT#x or MSI
7111 */
7112 if (!(bp->flags & USING_MSIX_FLAG))
7113 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7114 /*
7115 * Timers workaround bug: function init part.
7116 * Need to wait 20msec after initializing ILT,
7117 * needed to make sure there are no requests in
7118 * one of the PXP internal queues with "old" ILT addresses
7119 */
7120 msleep(20);
7121 /*
7122 * Master enable - Due to WB DMAE writes performed before this
7123 * register is re-initialized as part of the regular function
7124 * init
7125 */
7126 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7127 /* Enable the function in IGU */
7128 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7129 }
7130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007131 bp->dmae_ready = 1;
7132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007133 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007134
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007135 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007136 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7137
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007138 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7139 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7140 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7141 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7142 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7143 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7144 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7145 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7146 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7147 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7148 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7149 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7150 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007151
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007152 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007153 REG_WR(bp, QM_REG_PF_EN, 1);
7154
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007155 if (!CHIP_IS_E1x(bp)) {
7156 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7157 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7158 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7159 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7160 }
7161 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007162
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007163 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7164 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7165 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7166 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7167 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7168 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7169 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7170 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7171 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7172 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7173 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7174 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007175 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7176
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007177 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007178
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007179 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007180
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007181 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007182 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7183
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007184 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007185 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007186 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007187 }
7188
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007189 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007190
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007191 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007192 if (bp->common.int_block == INT_BLOCK_HC) {
7193 if (CHIP_IS_E1H(bp)) {
7194 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7195
7196 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7197 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7198 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007199 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007200
7201 } else {
7202 int num_segs, sb_idx, prod_offset;
7203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007204 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7205
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007206 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007207 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7208 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7209 }
7210
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007211 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007212
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007213 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007214 int dsb_idx = 0;
7215 /**
7216 * Producer memory:
7217 * E2 mode: address 0-135 match to the mapping memory;
7218 * 136 - PF0 default prod; 137 - PF1 default prod;
7219 * 138 - PF2 default prod; 139 - PF3 default prod;
7220 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7221 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7222 * 144-147 reserved.
7223 *
7224 * E1.5 mode - In backward compatible mode;
7225 * for non default SB; each even line in the memory
7226 * holds the U producer and each odd line hold
7227 * the C producer. The first 128 producers are for
7228 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7229 * producers are for the DSB for each PF.
7230 * Each PF has five segments: (the order inside each
7231 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7232 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7233 * 144-147 attn prods;
7234 */
7235 /* non-default-status-blocks */
7236 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7237 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7238 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7239 prod_offset = (bp->igu_base_sb + sb_idx) *
7240 num_segs;
7241
7242 for (i = 0; i < num_segs; i++) {
7243 addr = IGU_REG_PROD_CONS_MEMORY +
7244 (prod_offset + i) * 4;
7245 REG_WR(bp, addr, 0);
7246 }
7247 /* send consumer update with value 0 */
7248 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7249 USTORM_ID, 0, IGU_INT_NOP, 1);
7250 bnx2x_igu_clear_sb(bp,
7251 bp->igu_base_sb + sb_idx);
7252 }
7253
7254 /* default-status-blocks */
7255 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7256 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7257
7258 if (CHIP_MODE_IS_4_PORT(bp))
7259 dsb_idx = BP_FUNC(bp);
7260 else
David S. Miller8decf862011-09-22 03:23:13 -04007261 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007262
7263 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7264 IGU_BC_BASE_DSB_PROD + dsb_idx :
7265 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7266
David S. Miller8decf862011-09-22 03:23:13 -04007267 /*
7268 * igu prods come in chunks of E1HVN_MAX (4) -
7269 * does not matters what is the current chip mode
7270 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007271 for (i = 0; i < (num_segs * E1HVN_MAX);
7272 i += E1HVN_MAX) {
7273 addr = IGU_REG_PROD_CONS_MEMORY +
7274 (prod_offset + i)*4;
7275 REG_WR(bp, addr, 0);
7276 }
7277 /* send consumer update with 0 */
7278 if (CHIP_INT_MODE_IS_BC(bp)) {
7279 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7280 USTORM_ID, 0, IGU_INT_NOP, 1);
7281 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7282 CSTORM_ID, 0, IGU_INT_NOP, 1);
7283 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7284 XSTORM_ID, 0, IGU_INT_NOP, 1);
7285 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7286 TSTORM_ID, 0, IGU_INT_NOP, 1);
7287 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7288 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7289 } else {
7290 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7291 USTORM_ID, 0, IGU_INT_NOP, 1);
7292 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7293 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7294 }
7295 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7296
7297 /* !!! these should become driver const once
7298 rf-tool supports split-68 const */
7299 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7300 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7301 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7302 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7303 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7304 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7305 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007306 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007307
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007308 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007309 REG_WR(bp, 0x2114, 0xffffffff);
7310 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007311
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007312 if (CHIP_IS_E1x(bp)) {
7313 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7314 main_mem_base = HC_REG_MAIN_MEMORY +
7315 BP_PORT(bp) * (main_mem_size * 4);
7316 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7317 main_mem_width = 8;
7318
7319 val = REG_RD(bp, main_mem_prty_clr);
7320 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007321 DP(NETIF_MSG_HW,
7322 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7323 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007324
7325 /* Clear "false" parity errors in MSI-X table */
7326 for (i = main_mem_base;
7327 i < main_mem_base + main_mem_size * 4;
7328 i += main_mem_width) {
7329 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7330 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7331 i, main_mem_width / 4);
7332 }
7333 /* Clear HC parity attention */
7334 REG_RD(bp, main_mem_prty_clr);
7335 }
7336
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007337#ifdef BNX2X_STOP_ON_ERROR
7338 /* Enable STORMs SP logging */
7339 REG_WR8(bp, BAR_USTRORM_INTMEM +
7340 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7341 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7342 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7343 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7344 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7345 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7346 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7347#endif
7348
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007349 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007350
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007351 return 0;
7352}
7353
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007354
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007355void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007356{
Merav Sicrona0529972012-06-19 07:48:25 +00007357 int i;
7358
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007359 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007360 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007361 /* end of fastpath */
7362
7363 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007364 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007365
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007366 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7367 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007369 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007370 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007371
Merav Sicrona0529972012-06-19 07:48:25 +00007372 for (i = 0; i < L2_ILT_LINES(bp); i++)
7373 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7374 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007375 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7376
7377 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007378
Michael Chan37b091b2009-10-10 13:46:55 +00007379#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007380 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007381 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7382 sizeof(struct host_hc_status_block_e2));
7383 else
7384 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7385 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007387 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007388#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007389
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007390 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007391
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007392 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7393 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007394}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007395
Eric Dumazet1191cb82012-04-27 21:39:21 +00007396static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007397{
7398 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007399 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007400
Barak Witkowski50f0a562011-12-05 21:52:23 +00007401 /* number of queues for statistics is number of eth queues + FCoE */
7402 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007403
7404 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007405 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7406 * num of queues
7407 */
7408 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007409
7410
7411 /* Request is built from stats_query_header and an array of
7412 * stats_query_cmd_group each of which contains
7413 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7414 * configured in the stats_query_header.
7415 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007416 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7417 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007418
7419 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7420 num_groups * sizeof(struct stats_query_cmd_group);
7421
7422 /* Data for statistics requests + stats_conter
7423 *
7424 * stats_counter holds per-STORM counters that are incremented
7425 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007426 *
7427 * memory for FCoE offloaded statistics are counted anyway,
7428 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007429 */
7430 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7431 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007432 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007433 sizeof(struct per_queue_stats) * num_queue_stats +
7434 sizeof(struct stats_counter);
7435
7436 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7437 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7438
7439 /* Set shortcuts */
7440 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7441 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7442
7443 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7444 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7445
7446 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7447 bp->fw_stats_req_sz;
7448 return 0;
7449
7450alloc_mem_err:
7451 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7452 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007453 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007454 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007455}
7456
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007457
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007458int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007459{
Merav Sicrona0529972012-06-19 07:48:25 +00007460 int i, allocated, context_size;
7461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007462#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007463 if (!CHIP_IS_E1x(bp))
7464 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007465 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7466 sizeof(struct host_hc_status_block_e2));
7467 else
7468 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7469 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007470
7471 /* allocate searcher T2 table */
7472 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7473#endif
7474
7475
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007476 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007477 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007478
7479 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7480 sizeof(struct bnx2x_slowpath));
7481
Mintz Yuval82fa8482012-02-15 02:10:29 +00007482#ifdef BCM_CNIC
7483 /* write address to which L5 should insert its values */
7484 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7485#endif
7486
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007487 /* Allocated memory for FW statistics */
7488 if (bnx2x_alloc_fw_stats_mem(bp))
7489 goto alloc_mem_err;
7490
Merav Sicrona0529972012-06-19 07:48:25 +00007491 /* Allocate memory for CDU context:
7492 * This memory is allocated separately and not in the generic ILT
7493 * functions because CDU differs in few aspects:
7494 * 1. There are multiple entities allocating memory for context -
7495 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7496 * its own ILT lines.
7497 * 2. Since CDU page-size is not a single 4KB page (which is the case
7498 * for the other ILT clients), to be efficient we want to support
7499 * allocation of sub-page-size in the last entry.
7500 * 3. Context pointers are used by the driver to pass to FW / update
7501 * the context (for the other ILT clients the pointers are used just to
7502 * free the memory during unload).
7503 */
7504 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007505
Merav Sicrona0529972012-06-19 07:48:25 +00007506 for (i = 0, allocated = 0; allocated < context_size; i++) {
7507 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7508 (context_size - allocated));
7509 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7510 &bp->context[i].cxt_mapping,
7511 bp->context[i].size);
7512 allocated += bp->context[i].size;
7513 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007514 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007515
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007516 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7517 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007518
7519 /* Slow path ring */
7520 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007522 /* EQ */
7523 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7524 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007525
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007526
7527 /* fastpath */
7528 /* need to be done at the end, since it's self adjusting to amount
7529 * of memory available for RSS queues
7530 */
7531 if (bnx2x_alloc_fp_mem(bp))
7532 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007533 return 0;
7534
7535alloc_mem_err:
7536 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007537 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007538 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007539}
7540
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007541/*
7542 * Init service functions
7543 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007544
7545int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7546 struct bnx2x_vlan_mac_obj *obj, bool set,
7547 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007548{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007549 int rc;
7550 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007551
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007552 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007553
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007554 /* Fill general parameters */
7555 ramrod_param.vlan_mac_obj = obj;
7556 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007557
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007558 /* Fill a user request section if needed */
7559 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7560 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007561
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007562 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007564 /* Set the command: ADD or DEL */
7565 if (set)
7566 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7567 else
7568 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007569 }
7570
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007571 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7572 if (rc < 0)
7573 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7574 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007575}
7576
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007577int bnx2x_del_all_macs(struct bnx2x *bp,
7578 struct bnx2x_vlan_mac_obj *mac_obj,
7579 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007580{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007581 int rc;
7582 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7583
7584 /* Wait for completion of requested */
7585 if (wait_for_comp)
7586 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7587
7588 /* Set the mac type of addresses we want to clear */
7589 __set_bit(mac_type, &vlan_mac_flags);
7590
7591 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7592 if (rc < 0)
7593 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7594
7595 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007596}
7597
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007598int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007599{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007600 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007601
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007602#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +00007603 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7604 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007605 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7606 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007607 return 0;
7608 }
7609#endif
7610
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007611 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007612
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007613 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7614 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007615 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7616 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007617}
7618
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007619int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007620{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007621 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007622}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007623
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007624/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007625 * bnx2x_set_int_mode - configure interrupt mode
7626 *
7627 * @bp: driver handle
7628 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007629 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007630 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +00007631void bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007632{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007633 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007634 case INT_MODE_MSI:
7635 bnx2x_enable_msi(bp);
7636 /* falling through... */
7637 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007638 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Merav Sicron51c1a582012-03-18 10:33:38 +00007639 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007640 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007641 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007642 /* if we can't use MSI-X we only need one fp,
7643 * so try to enable MSI-X with the requested number of fp's
7644 * and fallback to MSI or legacy INTx with one fp
7645 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007646 if (bnx2x_enable_msix(bp) ||
7647 bp->flags & USING_SINGLE_MSIX_FLAG) {
7648 /* failed to enable multiple MSI-X */
7649 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00007650 bp->num_queues, 1 + NON_ETH_CONTEXT_USE);
7651
Ariel Elior6383c0b2011-07-14 08:31:57 +00007652 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007653
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007654 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007655 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7656 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007657 bnx2x_enable_msi(bp);
7658 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007659 break;
7660 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007661}
7662
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007663/* must be called prioir to any HW initializations */
7664static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7665{
7666 return L2_ILT_LINES(bp);
7667}
7668
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007669void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007670{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007671 struct ilt_client_info *ilt_client;
7672 struct bnx2x_ilt *ilt = BP_ILT(bp);
7673 u16 line = 0;
7674
7675 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7676 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7677
7678 /* CDU */
7679 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7680 ilt_client->client_num = ILT_CLIENT_CDU;
7681 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7682 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7683 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007684 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007685#ifdef BCM_CNIC
7686 line += CNIC_ILT_LINES;
7687#endif
7688 ilt_client->end = line - 1;
7689
Merav Sicron51c1a582012-03-18 10:33:38 +00007690 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 +00007691 ilt_client->start,
7692 ilt_client->end,
7693 ilt_client->page_size,
7694 ilt_client->flags,
7695 ilog2(ilt_client->page_size >> 12));
7696
7697 /* QM */
7698 if (QM_INIT(bp->qm_cid_count)) {
7699 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7700 ilt_client->client_num = ILT_CLIENT_QM;
7701 ilt_client->page_size = QM_ILT_PAGE_SZ;
7702 ilt_client->flags = 0;
7703 ilt_client->start = line;
7704
7705 /* 4 bytes for each cid */
7706 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7707 QM_ILT_PAGE_SZ);
7708
7709 ilt_client->end = line - 1;
7710
Merav Sicron51c1a582012-03-18 10:33:38 +00007711 DP(NETIF_MSG_IFUP,
7712 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007713 ilt_client->start,
7714 ilt_client->end,
7715 ilt_client->page_size,
7716 ilt_client->flags,
7717 ilog2(ilt_client->page_size >> 12));
7718
7719 }
7720 /* SRC */
7721 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7722#ifdef BCM_CNIC
7723 ilt_client->client_num = ILT_CLIENT_SRC;
7724 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7725 ilt_client->flags = 0;
7726 ilt_client->start = line;
7727 line += SRC_ILT_LINES;
7728 ilt_client->end = line - 1;
7729
Merav Sicron51c1a582012-03-18 10:33:38 +00007730 DP(NETIF_MSG_IFUP,
7731 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007732 ilt_client->start,
7733 ilt_client->end,
7734 ilt_client->page_size,
7735 ilt_client->flags,
7736 ilog2(ilt_client->page_size >> 12));
7737
7738#else
7739 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7740#endif
7741
7742 /* TM */
7743 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7744#ifdef BCM_CNIC
7745 ilt_client->client_num = ILT_CLIENT_TM;
7746 ilt_client->page_size = TM_ILT_PAGE_SZ;
7747 ilt_client->flags = 0;
7748 ilt_client->start = line;
7749 line += TM_ILT_LINES;
7750 ilt_client->end = line - 1;
7751
Merav Sicron51c1a582012-03-18 10:33:38 +00007752 DP(NETIF_MSG_IFUP,
7753 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007754 ilt_client->start,
7755 ilt_client->end,
7756 ilt_client->page_size,
7757 ilt_client->flags,
7758 ilog2(ilt_client->page_size >> 12));
7759
7760#else
7761 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7762#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007763 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007764}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766/**
7767 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7768 *
7769 * @bp: driver handle
7770 * @fp: pointer to fastpath
7771 * @init_params: pointer to parameters structure
7772 *
7773 * parameters configured:
7774 * - HC configuration
7775 * - Queue's CDU context
7776 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007777static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007778 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007779{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007780
7781 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00007782 int cxt_index, cxt_offset;
7783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007784 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7785 if (!IS_FCOE_FP(fp)) {
7786 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7787 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7788
7789 /* If HC is supporterd, enable host coalescing in the transition
7790 * to INIT state.
7791 */
7792 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7793 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7794
7795 /* HC rate */
7796 init_params->rx.hc_rate = bp->rx_ticks ?
7797 (1000000 / bp->rx_ticks) : 0;
7798 init_params->tx.hc_rate = bp->tx_ticks ?
7799 (1000000 / bp->tx_ticks) : 0;
7800
7801 /* FW SB ID */
7802 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7803 fp->fw_sb_id;
7804
7805 /*
7806 * CQ index among the SB indices: FCoE clients uses the default
7807 * SB, therefore it's different.
7808 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007809 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7810 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007811 }
7812
Ariel Elior6383c0b2011-07-14 08:31:57 +00007813 /* set maximum number of COSs supported by this queue */
7814 init_params->max_cos = fp->max_cos;
7815
Merav Sicron51c1a582012-03-18 10:33:38 +00007816 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007817 fp->index, init_params->max_cos);
7818
7819 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00007820 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00007821 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
7822 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00007823 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007824 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00007825 &bp->context[cxt_index].vcxt[cxt_offset].eth;
7826 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007827}
7828
Ariel Elior6383c0b2011-07-14 08:31:57 +00007829int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7830 struct bnx2x_queue_state_params *q_params,
7831 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7832 int tx_index, bool leading)
7833{
7834 memset(tx_only_params, 0, sizeof(*tx_only_params));
7835
7836 /* Set the command */
7837 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7838
7839 /* Set tx-only QUEUE flags: don't zero statistics */
7840 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7841
7842 /* choose the index of the cid to send the slow path on */
7843 tx_only_params->cid_index = tx_index;
7844
7845 /* Set general TX_ONLY_SETUP parameters */
7846 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7847
7848 /* Set Tx TX_ONLY_SETUP parameters */
7849 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7850
Merav Sicron51c1a582012-03-18 10:33:38 +00007851 DP(NETIF_MSG_IFUP,
7852 "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 +00007853 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7854 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7855 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7856
7857 /* send the ramrod */
7858 return bnx2x_queue_state_change(bp, q_params);
7859}
7860
7861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007862/**
7863 * bnx2x_setup_queue - setup queue
7864 *
7865 * @bp: driver handle
7866 * @fp: pointer to fastpath
7867 * @leading: is leading
7868 *
7869 * This function performs 2 steps in a Queue state machine
7870 * actually: 1) RESET->INIT 2) INIT->SETUP
7871 */
7872
7873int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7874 bool leading)
7875{
Yuval Mintz3b603062012-03-18 10:33:39 +00007876 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007877 struct bnx2x_queue_setup_params *setup_params =
7878 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007879 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7880 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007881 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007882 u8 tx_index;
7883
Merav Sicron51c1a582012-03-18 10:33:38 +00007884 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007885
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007886 /* reset IGU state skip FCoE L2 queue */
7887 if (!IS_FCOE_FP(fp))
7888 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007889 IGU_INT_ENABLE, 0);
7890
Barak Witkowski15192a82012-06-19 07:48:28 +00007891 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007892 /* We want to wait for completion in this context */
7893 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007894
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007895 /* Prepare the INIT parameters */
7896 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007897
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007898 /* Set the command */
7899 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007900
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007901 /* Change the state to INIT */
7902 rc = bnx2x_queue_state_change(bp, &q_params);
7903 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007904 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007905 return rc;
7906 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007907
Merav Sicron51c1a582012-03-18 10:33:38 +00007908 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007909
7910
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007911 /* Now move the Queue to the SETUP state... */
7912 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007913
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007914 /* Set QUEUE flags */
7915 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007917 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007918 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7919 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007920
Ariel Elior6383c0b2011-07-14 08:31:57 +00007921 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007922 &setup_params->rxq_params);
7923
Ariel Elior6383c0b2011-07-14 08:31:57 +00007924 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7925 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007926
7927 /* Set the command */
7928 q_params.cmd = BNX2X_Q_CMD_SETUP;
7929
7930 /* Change the state to SETUP */
7931 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007932 if (rc) {
7933 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7934 return rc;
7935 }
7936
7937 /* loop through the relevant tx-only indices */
7938 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7939 tx_index < fp->max_cos;
7940 tx_index++) {
7941
7942 /* prepare and send tx-only ramrod*/
7943 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7944 tx_only_params, tx_index, leading);
7945 if (rc) {
7946 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7947 fp->index, tx_index);
7948 return rc;
7949 }
7950 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007951
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007952 return rc;
7953}
7954
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007955static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007956{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007957 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007958 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00007959 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007960 int rc, tx_index;
7961
Merav Sicron51c1a582012-03-18 10:33:38 +00007962 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007963
Barak Witkowski15192a82012-06-19 07:48:28 +00007964 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007965 /* We want to wait for completion in this context */
7966 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007967
Ariel Elior6383c0b2011-07-14 08:31:57 +00007968
7969 /* close tx-only connections */
7970 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7971 tx_index < fp->max_cos;
7972 tx_index++){
7973
7974 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00007975 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007976
Merav Sicron51c1a582012-03-18 10:33:38 +00007977 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007978 txdata->txq_index);
7979
7980 /* send halt terminate on tx-only connection */
7981 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7982 memset(&q_params.params.terminate, 0,
7983 sizeof(q_params.params.terminate));
7984 q_params.params.terminate.cid_index = tx_index;
7985
7986 rc = bnx2x_queue_state_change(bp, &q_params);
7987 if (rc)
7988 return rc;
7989
7990 /* send halt terminate on tx-only connection */
7991 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7992 memset(&q_params.params.cfc_del, 0,
7993 sizeof(q_params.params.cfc_del));
7994 q_params.params.cfc_del.cid_index = tx_index;
7995 rc = bnx2x_queue_state_change(bp, &q_params);
7996 if (rc)
7997 return rc;
7998 }
7999 /* Stop the primary connection: */
8000 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008001 q_params.cmd = BNX2X_Q_CMD_HALT;
8002 rc = bnx2x_queue_state_change(bp, &q_params);
8003 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008004 return rc;
8005
Ariel Elior6383c0b2011-07-14 08:31:57 +00008006 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008007 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008008 memset(&q_params.params.terminate, 0,
8009 sizeof(q_params.params.terminate));
8010 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008011 rc = bnx2x_queue_state_change(bp, &q_params);
8012 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008013 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008014 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008015 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008016 memset(&q_params.params.cfc_del, 0,
8017 sizeof(q_params.params.cfc_del));
8018 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008019 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008020}
8021
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008022
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008023static void bnx2x_reset_func(struct bnx2x *bp)
8024{
8025 int port = BP_PORT(bp);
8026 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008027 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008028
8029 /* Disable the function in the FW */
8030 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8031 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8032 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8033 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8034
8035 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008036 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008037 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008038 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008039 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8040 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008041 }
8042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008043#ifdef BCM_CNIC
8044 /* CNIC SB */
8045 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8046 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
8047 SB_DISABLED);
8048#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008049 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008050 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008051 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8052 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008053
8054 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8055 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8056 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008057
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008058 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008059 if (bp->common.int_block == INT_BLOCK_HC) {
8060 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8061 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8062 } else {
8063 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8064 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8065 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008066
Michael Chan37b091b2009-10-10 13:46:55 +00008067#ifdef BCM_CNIC
8068 /* Disable Timer scan */
8069 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8070 /*
8071 * Wait for at least 10ms and up to 2 second for the timers scan to
8072 * complete
8073 */
8074 for (i = 0; i < 200; i++) {
8075 msleep(10);
8076 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8077 break;
8078 }
8079#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008080 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008081 bnx2x_clear_func_ilt(bp, func);
8082
8083 /* Timers workaround bug for E2: if this is vnic-3,
8084 * we need to set the entire ilt range for this timers.
8085 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008086 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008087 struct ilt_client_info ilt_cli;
8088 /* use dummy TM client */
8089 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8090 ilt_cli.start = 0;
8091 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8092 ilt_cli.client_num = ILT_CLIENT_TM;
8093
8094 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8095 }
8096
8097 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008098 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008099 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008100
8101 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008102}
8103
8104static void bnx2x_reset_port(struct bnx2x *bp)
8105{
8106 int port = BP_PORT(bp);
8107 u32 val;
8108
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008109 /* Reset physical Link */
8110 bnx2x__link_reset(bp);
8111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008112 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8113
8114 /* Do not rcv packets to BRB */
8115 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8116 /* Do not direct rcv packets that are not for MCP to the BRB */
8117 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8118 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8119
8120 /* Configure AEU */
8121 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8122
8123 msleep(100);
8124 /* Check for BRB port occupancy */
8125 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8126 if (val)
8127 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008128 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008129
8130 /* TODO: Close Doorbell port? */
8131}
8132
Eric Dumazet1191cb82012-04-27 21:39:21 +00008133static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008134{
Yuval Mintz3b603062012-03-18 10:33:39 +00008135 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008136
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008137 /* Prepare parameters for function state transitions */
8138 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008139
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008140 func_params.f_obj = &bp->func_obj;
8141 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008142
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008143 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008144
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008145 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008146}
8147
Eric Dumazet1191cb82012-04-27 21:39:21 +00008148static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008149{
Yuval Mintz3b603062012-03-18 10:33:39 +00008150 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008151 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008152
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008153 /* Prepare parameters for function state transitions */
8154 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8155 func_params.f_obj = &bp->func_obj;
8156 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008157
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008158 /*
8159 * Try to stop the function the 'good way'. If fails (in case
8160 * of a parity error during bnx2x_chip_cleanup()) and we are
8161 * not in a debug mode, perform a state transaction in order to
8162 * enable further HW_RESET transaction.
8163 */
8164 rc = bnx2x_func_state_change(bp, &func_params);
8165 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008166#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008167 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008168#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008169 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008170 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8171 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008172#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008173 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008174
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008175 return 0;
8176}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008177
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008178/**
8179 * bnx2x_send_unload_req - request unload mode from the MCP.
8180 *
8181 * @bp: driver handle
8182 * @unload_mode: requested function's unload mode
8183 *
8184 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8185 */
8186u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8187{
8188 u32 reset_code = 0;
8189 int port = BP_PORT(bp);
8190
8191 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008192 if (unload_mode == UNLOAD_NORMAL)
8193 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008194
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008195 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008196 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008197
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008198 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008199 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008202 u16 pmc;
8203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008204 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008205 * preserve entry 0 which is used by the PMF
8206 */
David S. Miller8decf862011-09-22 03:23:13 -04008207 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008209 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008210 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008211
8212 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8213 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008214 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215
David S. Miller88c51002011-10-07 13:38:43 -04008216 /* Enable the PME and clear the status */
8217 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8218 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8219 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8220
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008221 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008222
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008223 } else
8224 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8225
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008226 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008227 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008228 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008229 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008230 int path = BP_PATH(bp);
8231
Merav Sicron51c1a582012-03-18 10:33:38 +00008232 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008233 path, load_count[path][0], load_count[path][1],
8234 load_count[path][2]);
8235 load_count[path][0]--;
8236 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008237 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008238 path, load_count[path][0], load_count[path][1],
8239 load_count[path][2]);
8240 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008241 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008242 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008243 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8244 else
8245 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8246 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008247
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008248 return reset_code;
8249}
8250
8251/**
8252 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8253 *
8254 * @bp: driver handle
8255 */
8256void bnx2x_send_unload_done(struct bnx2x *bp)
8257{
8258 /* Report UNLOAD_DONE to MCP */
8259 if (!BP_NOMCP(bp))
8260 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8261}
8262
Eric Dumazet1191cb82012-04-27 21:39:21 +00008263static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008264{
8265 int tout = 50;
8266 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8267
8268 if (!bp->port.pmf)
8269 return 0;
8270
8271 /*
8272 * (assumption: No Attention from MCP at this stage)
8273 * PMF probably in the middle of TXdisable/enable transaction
8274 * 1. Sync IRS for default SB
8275 * 2. Sync SP queue - this guarantes us that attention handling started
8276 * 3. Wait, that TXdisable/enable transaction completes
8277 *
8278 * 1+2 guranty that if DCBx attention was scheduled it already changed
8279 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8280 * received complettion for the transaction the state is TX_STOPPED.
8281 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8282 * transaction.
8283 */
8284
8285 /* make sure default SB ISR is done */
8286 if (msix)
8287 synchronize_irq(bp->msix_table[0].vector);
8288 else
8289 synchronize_irq(bp->pdev->irq);
8290
8291 flush_workqueue(bnx2x_wq);
8292
8293 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8294 BNX2X_F_STATE_STARTED && tout--)
8295 msleep(20);
8296
8297 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8298 BNX2X_F_STATE_STARTED) {
8299#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008300 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008301 return -EBUSY;
8302#else
8303 /*
8304 * Failed to complete the transaction in a "good way"
8305 * Force both transactions with CLR bit
8306 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008307 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008308
Merav Sicron51c1a582012-03-18 10:33:38 +00008309 DP(NETIF_MSG_IFDOWN,
8310 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008311
8312 func_params.f_obj = &bp->func_obj;
8313 __set_bit(RAMROD_DRV_CLR_ONLY,
8314 &func_params.ramrod_flags);
8315
8316 /* STARTED-->TX_ST0PPED */
8317 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8318 bnx2x_func_state_change(bp, &func_params);
8319
8320 /* TX_ST0PPED-->STARTED */
8321 func_params.cmd = BNX2X_F_CMD_TX_START;
8322 return bnx2x_func_state_change(bp, &func_params);
8323#endif
8324 }
8325
8326 return 0;
8327}
8328
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008329void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
8330{
8331 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008332 int i, rc = 0;
8333 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008334 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008335 u32 reset_code;
8336
8337 /* Wait until tx fastpath tasks complete */
8338 for_each_tx_queue(bp, i) {
8339 struct bnx2x_fastpath *fp = &bp->fp[i];
8340
Ariel Elior6383c0b2011-07-14 08:31:57 +00008341 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008342 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008343#ifdef BNX2X_STOP_ON_ERROR
8344 if (rc)
8345 return;
8346#endif
8347 }
8348
8349 /* Give HW time to discard old tx messages */
8350 usleep_range(1000, 1000);
8351
8352 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008353 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8354 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008355 if (rc < 0)
8356 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8357
8358 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008359 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008360 true);
8361 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008362 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8363 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008364
8365 /* Disable LLH */
8366 if (!CHIP_IS_E1(bp))
8367 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8368
8369 /* Set "drop all" (stop Rx).
8370 * We need to take a netif_addr_lock() here in order to prevent
8371 * a race between the completion code and this code.
8372 */
8373 netif_addr_lock_bh(bp->dev);
8374 /* Schedule the rx_mode command */
8375 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8376 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8377 else
8378 bnx2x_set_storm_rx_mode(bp);
8379
8380 /* Cleanup multicast configuration */
8381 rparam.mcast_obj = &bp->mcast_obj;
8382 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8383 if (rc < 0)
8384 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8385
8386 netif_addr_unlock_bh(bp->dev);
8387
8388
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008389
8390 /*
8391 * Send the UNLOAD_REQUEST to the MCP. This will return if
8392 * this function should perform FUNC, PORT or COMMON HW
8393 * reset.
8394 */
8395 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8396
8397 /*
8398 * (assumption: No Attention from MCP at this stage)
8399 * PMF probably in the middle of TXdisable/enable transaction
8400 */
8401 rc = bnx2x_func_wait_started(bp);
8402 if (rc) {
8403 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8404#ifdef BNX2X_STOP_ON_ERROR
8405 return;
8406#endif
8407 }
8408
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008409 /* Close multi and leading connections
8410 * Completions for ramrods are collected in a synchronous way
8411 */
8412 for_each_queue(bp, i)
8413 if (bnx2x_stop_queue(bp, i))
8414#ifdef BNX2X_STOP_ON_ERROR
8415 return;
8416#else
8417 goto unload_error;
8418#endif
8419 /* If SP settings didn't get completed so far - something
8420 * very wrong has happen.
8421 */
8422 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8423 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8424
8425#ifndef BNX2X_STOP_ON_ERROR
8426unload_error:
8427#endif
8428 rc = bnx2x_func_stop(bp);
8429 if (rc) {
8430 BNX2X_ERR("Function stop failed!\n");
8431#ifdef BNX2X_STOP_ON_ERROR
8432 return;
8433#endif
8434 }
8435
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008436 /* Disable HW interrupts, NAPI */
8437 bnx2x_netif_stop(bp, 1);
8438
8439 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008440 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008441
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008442 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008443 rc = bnx2x_reset_hw(bp, reset_code);
8444 if (rc)
8445 BNX2X_ERR("HW_RESET failed\n");
8446
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008447
8448 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008449 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008450}
8451
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008452void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008453{
8454 u32 val;
8455
Merav Sicron51c1a582012-03-18 10:33:38 +00008456 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008457
8458 if (CHIP_IS_E1(bp)) {
8459 int port = BP_PORT(bp);
8460 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8461 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8462
8463 val = REG_RD(bp, addr);
8464 val &= ~(0x300);
8465 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008466 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008467 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8468 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8469 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8470 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8471 }
8472}
8473
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008474/* Close gates #2, #3 and #4: */
8475static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8476{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008477 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008478
8479 /* Gates #2 and #4a are closed/opened for "not E1" only */
8480 if (!CHIP_IS_E1(bp)) {
8481 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008482 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008483 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008484 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008485 }
8486
8487 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008488 if (CHIP_IS_E1x(bp)) {
8489 /* Prevent interrupts from HC on both ports */
8490 val = REG_RD(bp, HC_REG_CONFIG_1);
8491 REG_WR(bp, HC_REG_CONFIG_1,
8492 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8493 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8494
8495 val = REG_RD(bp, HC_REG_CONFIG_0);
8496 REG_WR(bp, HC_REG_CONFIG_0,
8497 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8498 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8499 } else {
8500 /* Prevent incomming interrupts in IGU */
8501 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8502
8503 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8504 (!close) ?
8505 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8506 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8507 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008508
Merav Sicron51c1a582012-03-18 10:33:38 +00008509 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008510 close ? "closing" : "opening");
8511 mmiowb();
8512}
8513
8514#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8515
8516static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8517{
8518 /* Do some magic... */
8519 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8520 *magic_val = val & SHARED_MF_CLP_MAGIC;
8521 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8522}
8523
Dmitry Kravkove8920672011-05-04 23:52:40 +00008524/**
8525 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008526 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008527 * @bp: driver handle
8528 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008529 */
8530static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8531{
8532 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008533 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8534 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8535 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8536}
8537
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008538/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008539 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008540 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008541 * @bp: driver handle
8542 * @magic_val: old value of 'magic' bit.
8543 *
8544 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008545 */
8546static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8547{
8548 u32 shmem;
8549 u32 validity_offset;
8550
Merav Sicron51c1a582012-03-18 10:33:38 +00008551 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008552
8553 /* Set `magic' bit in order to save MF config */
8554 if (!CHIP_IS_E1(bp))
8555 bnx2x_clp_reset_prep(bp, magic_val);
8556
8557 /* Get shmem offset */
8558 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8559 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8560
8561 /* Clear validity map flags */
8562 if (shmem > 0)
8563 REG_WR(bp, shmem + validity_offset, 0);
8564}
8565
8566#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8567#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8568
Dmitry Kravkove8920672011-05-04 23:52:40 +00008569/**
8570 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008571 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008572 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008573 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008574static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008575{
8576 /* special handling for emulation and FPGA,
8577 wait 10 times longer */
8578 if (CHIP_REV_IS_SLOW(bp))
8579 msleep(MCP_ONE_TIMEOUT*10);
8580 else
8581 msleep(MCP_ONE_TIMEOUT);
8582}
8583
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008584/*
8585 * initializes bp->common.shmem_base and waits for validity signature to appear
8586 */
8587static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008588{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008589 int cnt = 0;
8590 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008591
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008592 do {
8593 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8594 if (bp->common.shmem_base) {
8595 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8596 if (val & SHR_MEM_VALIDITY_MB)
8597 return 0;
8598 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008599
8600 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008601
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008602 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008603
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008604 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008605
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008606 return -ENODEV;
8607}
8608
8609static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8610{
8611 int rc = bnx2x_init_shmem(bp);
8612
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008613 /* Restore the `magic' bit value */
8614 if (!CHIP_IS_E1(bp))
8615 bnx2x_clp_reset_done(bp, magic_val);
8616
8617 return rc;
8618}
8619
8620static void bnx2x_pxp_prep(struct bnx2x *bp)
8621{
8622 if (!CHIP_IS_E1(bp)) {
8623 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8624 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008625 mmiowb();
8626 }
8627}
8628
8629/*
8630 * Reset the whole chip except for:
8631 * - PCIE core
8632 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8633 * one reset bit)
8634 * - IGU
8635 * - MISC (including AEU)
8636 * - GRC
8637 * - RBCN, RBCP
8638 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008639static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008640{
8641 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008642 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008643
8644 /*
8645 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8646 * (per chip) blocks.
8647 */
8648 global_bits2 =
8649 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8650 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008651
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008652 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008653 not_reset_mask1 =
8654 MISC_REGISTERS_RESET_REG_1_RST_HC |
8655 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8656 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8657
8658 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008659 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008660 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8661 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8662 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8663 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8664 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8665 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008666 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8667 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8668 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008669
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008670 /*
8671 * Keep the following blocks in reset:
8672 * - all xxMACs are handled by the bnx2x_link code.
8673 */
8674 stay_reset2 =
8675 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8676 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8677 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8678 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8679 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8680 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8681 MISC_REGISTERS_RESET_REG_2_XMAC |
8682 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8683
8684 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008685 reset_mask1 = 0xffffffff;
8686
8687 if (CHIP_IS_E1(bp))
8688 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008689 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008690 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008691 else if (CHIP_IS_E2(bp))
8692 reset_mask2 = 0xfffff;
8693 else /* CHIP_IS_E3 */
8694 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008695
8696 /* Don't reset global blocks unless we need to */
8697 if (!global)
8698 reset_mask2 &= ~global_bits2;
8699
8700 /*
8701 * In case of attention in the QM, we need to reset PXP
8702 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8703 * because otherwise QM reset would release 'close the gates' shortly
8704 * before resetting the PXP, then the PSWRQ would send a write
8705 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8706 * read the payload data from PSWWR, but PSWWR would not
8707 * respond. The write queue in PGLUE would stuck, dmae commands
8708 * would not return. Therefore it's important to reset the second
8709 * reset register (containing the
8710 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8711 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8712 * bit).
8713 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008714 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8715 reset_mask2 & (~not_reset_mask2));
8716
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008717 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8718 reset_mask1 & (~not_reset_mask1));
8719
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008720 barrier();
8721 mmiowb();
8722
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008723 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8724 reset_mask2 & (~stay_reset2));
8725
8726 barrier();
8727 mmiowb();
8728
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008729 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008730 mmiowb();
8731}
8732
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008733/**
8734 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8735 * It should get cleared in no more than 1s.
8736 *
8737 * @bp: driver handle
8738 *
8739 * It should get cleared in no more than 1s. Returns 0 if
8740 * pending writes bit gets cleared.
8741 */
8742static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8743{
8744 u32 cnt = 1000;
8745 u32 pend_bits = 0;
8746
8747 do {
8748 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8749
8750 if (pend_bits == 0)
8751 break;
8752
8753 usleep_range(1000, 1000);
8754 } while (cnt-- > 0);
8755
8756 if (cnt <= 0) {
8757 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8758 pend_bits);
8759 return -EBUSY;
8760 }
8761
8762 return 0;
8763}
8764
8765static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008766{
8767 int cnt = 1000;
8768 u32 val = 0;
8769 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8770
8771
8772 /* Empty the Tetris buffer, wait for 1s */
8773 do {
8774 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8775 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8776 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8777 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8778 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8779 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8780 ((port_is_idle_0 & 0x1) == 0x1) &&
8781 ((port_is_idle_1 & 0x1) == 0x1) &&
8782 (pgl_exp_rom2 == 0xffffffff))
8783 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008784 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008785 } while (cnt-- > 0);
8786
8787 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008788 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8789 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 +00008790 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8791 pgl_exp_rom2);
8792 return -EAGAIN;
8793 }
8794
8795 barrier();
8796
8797 /* Close gates #2, #3 and #4 */
8798 bnx2x_set_234_gates(bp, true);
8799
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008800 /* Poll for IGU VQs for 57712 and newer chips */
8801 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8802 return -EAGAIN;
8803
8804
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008805 /* TBD: Indicate that "process kill" is in progress to MCP */
8806
8807 /* Clear "unprepared" bit */
8808 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8809 barrier();
8810
8811 /* Make sure all is written to the chip before the reset */
8812 mmiowb();
8813
8814 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8815 * PSWHST, GRC and PSWRD Tetris buffer.
8816 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008817 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008818
8819 /* Prepare to chip reset: */
8820 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008821 if (global)
8822 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008823
8824 /* PXP */
8825 bnx2x_pxp_prep(bp);
8826 barrier();
8827
8828 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008829 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008830 barrier();
8831
8832 /* Recover after reset: */
8833 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008834 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008835 return -EAGAIN;
8836
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008837 /* TBD: Add resetting the NO_MCP mode DB here */
8838
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008839 /* PXP */
8840 bnx2x_pxp_prep(bp);
8841
8842 /* Open the gates #2, #3 and #4 */
8843 bnx2x_set_234_gates(bp, false);
8844
8845 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8846 * reset state, re-enable attentions. */
8847
8848 return 0;
8849}
8850
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008851int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008852{
8853 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008854 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008855 u32 load_code;
8856
8857 /* if not going to reset MCP - load "fake" driver to reset HW while
8858 * driver is owner of the HW
8859 */
8860 if (!global && !BP_NOMCP(bp)) {
8861 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8862 if (!load_code) {
8863 BNX2X_ERR("MCP response failure, aborting\n");
8864 rc = -EAGAIN;
8865 goto exit_leader_reset;
8866 }
8867 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8868 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8869 BNX2X_ERR("MCP unexpected resp, aborting\n");
8870 rc = -EAGAIN;
8871 goto exit_leader_reset2;
8872 }
8873 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8874 if (!load_code) {
8875 BNX2X_ERR("MCP response failure, aborting\n");
8876 rc = -EAGAIN;
8877 goto exit_leader_reset2;
8878 }
8879 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008880
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008881 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008882 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008883 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
8884 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008885 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008886 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008887 }
8888
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008889 /*
8890 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8891 * state.
8892 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008893 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008894 if (global)
8895 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008896
Ariel Elior95c6c6162012-01-26 06:01:52 +00008897exit_leader_reset2:
8898 /* unload "fake driver" if it was loaded */
8899 if (!global && !BP_NOMCP(bp)) {
8900 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8901 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8902 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008903exit_leader_reset:
8904 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008905 bnx2x_release_leader_lock(bp);
8906 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008907 return rc;
8908}
8909
Eric Dumazet1191cb82012-04-27 21:39:21 +00008910static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008911{
8912 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8913
8914 /* Disconnect this device */
8915 netif_device_detach(bp->dev);
8916
8917 /*
8918 * Block ifup for all function on this engine until "process kill"
8919 * or power cycle.
8920 */
8921 bnx2x_set_reset_in_progress(bp);
8922
8923 /* Shut down the power */
8924 bnx2x_set_power_state(bp, PCI_D3hot);
8925
8926 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8927
8928 smp_mb();
8929}
8930
8931/*
8932 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008933 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008934 * will never be called when netif_running(bp->dev) is false.
8935 */
8936static void bnx2x_parity_recover(struct bnx2x *bp)
8937{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008938 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008939 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008940 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008941
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008942 DP(NETIF_MSG_HW, "Handling parity\n");
8943 while (1) {
8944 switch (bp->recovery_state) {
8945 case BNX2X_RECOVERY_INIT:
8946 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008947 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8948 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008949
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008950 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008951 if (bnx2x_trylock_leader_lock(bp)) {
8952 bnx2x_set_reset_in_progress(bp);
8953 /*
8954 * Check if there is a global attention and if
8955 * there was a global attention, set the global
8956 * reset bit.
8957 */
8958
8959 if (global)
8960 bnx2x_set_reset_global(bp);
8961
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008962 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008963 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008964
8965 /* Stop the driver */
8966 /* If interface has been removed - break */
8967 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8968 return;
8969
8970 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008971
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008972 /* Ensure "is_leader", MCP command sequence and
8973 * "recovery_state" update values are seen on other
8974 * CPUs.
8975 */
8976 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008977 break;
8978
8979 case BNX2X_RECOVERY_WAIT:
8980 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8981 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008982 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008983 bool other_load_status =
8984 bnx2x_get_load_status(bp, other_engine);
8985 bool load_status =
8986 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008987 global = bnx2x_reset_is_global(bp);
8988
8989 /*
8990 * In case of a parity in a global block, let
8991 * the first leader that performs a
8992 * leader_reset() reset the global blocks in
8993 * order to clear global attentions. Otherwise
8994 * the the gates will remain closed for that
8995 * engine.
8996 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008997 if (load_status ||
8998 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008999 /* Wait until all other functions get
9000 * down.
9001 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009002 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009003 HZ/10);
9004 return;
9005 } else {
9006 /* If all other functions got down -
9007 * try to bring the chip back to
9008 * normal. In any case it's an exit
9009 * point for a leader.
9010 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009011 if (bnx2x_leader_reset(bp)) {
9012 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009013 return;
9014 }
9015
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009016 /* If we are here, means that the
9017 * leader has succeeded and doesn't
9018 * want to be a leader any more. Try
9019 * to continue as a none-leader.
9020 */
9021 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009022 }
9023 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009024 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009025 /* Try to get a LEADER_LOCK HW lock as
9026 * long as a former leader may have
9027 * been unloaded by the user or
9028 * released a leadership by another
9029 * reason.
9030 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009031 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009032 /* I'm a leader now! Restart a
9033 * switch case.
9034 */
9035 bp->is_leader = 1;
9036 break;
9037 }
9038
Ariel Elior7be08a72011-07-14 08:31:19 +00009039 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009040 HZ/10);
9041 return;
9042
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009043 } else {
9044 /*
9045 * If there was a global attention, wait
9046 * for it to be cleared.
9047 */
9048 if (bnx2x_reset_is_global(bp)) {
9049 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009050 &bp->sp_rtnl_task,
9051 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009052 return;
9053 }
9054
Ariel Elior7a752992012-01-26 06:01:53 +00009055 error_recovered =
9056 bp->eth_stats.recoverable_error;
9057 error_unrecovered =
9058 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009059 bp->recovery_state =
9060 BNX2X_RECOVERY_NIC_LOADING;
9061 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009062 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009063 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009064 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009065 /* Disconnect this device */
9066 netif_device_detach(bp->dev);
9067 /* Shut down the power */
9068 bnx2x_set_power_state(
9069 bp, PCI_D3hot);
9070 smp_mb();
9071 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009072 bp->recovery_state =
9073 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009074 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009075 smp_mb();
9076 }
Ariel Elior7a752992012-01-26 06:01:53 +00009077 bp->eth_stats.recoverable_error =
9078 error_recovered;
9079 bp->eth_stats.unrecoverable_error =
9080 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009081
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009082 return;
9083 }
9084 }
9085 default:
9086 return;
9087 }
9088 }
9089}
9090
Michal Schmidt56ad3152012-02-16 02:38:48 +00009091static int bnx2x_close(struct net_device *dev);
9092
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009093/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9094 * scheduled on a general queue in order to prevent a dead lock.
9095 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009096static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009097{
Ariel Elior7be08a72011-07-14 08:31:19 +00009098 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009099
9100 rtnl_lock();
9101
9102 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009103 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009104
Ariel Elior7be08a72011-07-14 08:31:19 +00009105 /* if stop on error is defined no recovery flows should be executed */
9106#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009107 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 +00009108 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009109 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009110#endif
9111
9112 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9113 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009114 * Clear all pending SP commands as we are going to reset the
9115 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009116 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009117 bp->sp_rtnl_state = 0;
9118 smp_mb();
9119
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009120 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009121
9122 goto sp_rtnl_exit;
9123 }
9124
9125 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9126 /*
9127 * Clear all pending SP commands as we are going to reset the
9128 * function anyway.
9129 */
9130 bp->sp_rtnl_state = 0;
9131 smp_mb();
9132
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009133 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9134 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009135
9136 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009137 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009138#ifdef BNX2X_STOP_ON_ERROR
9139sp_rtnl_not_reset:
9140#endif
9141 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9142 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009143 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9144 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009145 /*
9146 * in case of fan failure we need to reset id if the "stop on error"
9147 * debug flag is set, since we trying to prevent permanent overheating
9148 * damage
9149 */
9150 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009151 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009152 netif_device_detach(bp->dev);
9153 bnx2x_close(bp->dev);
9154 }
9155
Ariel Elior7be08a72011-07-14 08:31:19 +00009156sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009157 rtnl_unlock();
9158}
9159
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009160/* end of nic load/unload */
9161
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009162static void bnx2x_period_task(struct work_struct *work)
9163{
9164 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9165
9166 if (!netif_running(bp->dev))
9167 goto period_task_exit;
9168
9169 if (CHIP_REV_IS_SLOW(bp)) {
9170 BNX2X_ERR("period task called on emulation, ignoring\n");
9171 goto period_task_exit;
9172 }
9173
9174 bnx2x_acquire_phy_lock(bp);
9175 /*
9176 * The barrier is needed to ensure the ordering between the writing to
9177 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9178 * the reading here.
9179 */
9180 smp_mb();
9181 if (bp->port.pmf) {
9182 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9183
9184 /* Re-queue task in 1 sec */
9185 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9186 }
9187
9188 bnx2x_release_phy_lock(bp);
9189period_task_exit:
9190 return;
9191}
9192
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009193/*
9194 * Init service functions
9195 */
9196
stephen hemminger8d962862010-10-21 07:50:56 +00009197static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009198{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009199 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9200 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9201 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009202}
9203
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009204static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009205{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009206 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009207
9208 /* Flush all outstanding writes */
9209 mmiowb();
9210
9211 /* Pretend to be function 0 */
9212 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009213 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009214
9215 /* From now we are in the "like-E1" mode */
9216 bnx2x_int_disable(bp);
9217
9218 /* Flush all outstanding writes */
9219 mmiowb();
9220
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009221 /* Restore the original function */
9222 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9223 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009224}
9225
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009226static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009227{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009228 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009229 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009230 else
9231 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009232}
9233
Yuval Mintz452427b2012-03-26 20:47:07 +00009234static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009235{
Yuval Mintz452427b2012-03-26 20:47:07 +00009236 u32 val, base_addr, offset, mask, reset_reg;
9237 bool mac_stopped = false;
9238 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009239
Yuval Mintz452427b2012-03-26 20:47:07 +00009240 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009241
Yuval Mintz452427b2012-03-26 20:47:07 +00009242 if (!CHIP_IS_E3(bp)) {
9243 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9244 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9245 if ((mask & reset_reg) && val) {
9246 u32 wb_data[2];
9247 BNX2X_DEV_INFO("Disable bmac Rx\n");
9248 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9249 : NIG_REG_INGRESS_BMAC0_MEM;
9250 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9251 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009252
Yuval Mintz452427b2012-03-26 20:47:07 +00009253 /*
9254 * use rd/wr since we cannot use dmae. This is safe
9255 * since MCP won't access the bus due to the request
9256 * to unload, and no function on the path can be
9257 * loaded at this time.
9258 */
9259 wb_data[0] = REG_RD(bp, base_addr + offset);
9260 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9261 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9262 REG_WR(bp, base_addr + offset, wb_data[0]);
9263 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009264
Yuval Mintz452427b2012-03-26 20:47:07 +00009265 }
9266 BNX2X_DEV_INFO("Disable emac Rx\n");
9267 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009268
Yuval Mintz452427b2012-03-26 20:47:07 +00009269 mac_stopped = true;
9270 } else {
9271 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9272 BNX2X_DEV_INFO("Disable xmac Rx\n");
9273 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9274 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9275 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9276 val & ~(1 << 1));
9277 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9278 val | (1 << 1));
9279 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9280 mac_stopped = true;
9281 }
9282 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9283 if (mask & reset_reg) {
9284 BNX2X_DEV_INFO("Disable umac Rx\n");
9285 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9286 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9287 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009288 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009289 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009290
Yuval Mintz452427b2012-03-26 20:47:07 +00009291 if (mac_stopped)
9292 msleep(20);
9293
9294}
9295
9296#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9297#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9298#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9299#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9300
9301static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9302 u8 inc)
9303{
9304 u16 rcq, bd;
9305 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9306
9307 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9308 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9309
9310 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9311 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9312
9313 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9314 port, bd, rcq);
9315}
9316
9317static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9318{
9319 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9320 if (!rc) {
9321 BNX2X_ERR("MCP response failure, aborting\n");
9322 return -EBUSY;
9323 }
9324
9325 return 0;
9326}
9327
9328static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9329{
9330 struct bnx2x_prev_path_list *tmp_list;
9331 int rc = false;
9332
9333 if (down_trylock(&bnx2x_prev_sem))
9334 return false;
9335
9336 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9337 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9338 bp->pdev->bus->number == tmp_list->bus &&
9339 BP_PATH(bp) == tmp_list->path) {
9340 rc = true;
9341 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9342 BP_PATH(bp));
9343 break;
9344 }
9345 }
9346
9347 up(&bnx2x_prev_sem);
9348
9349 return rc;
9350}
9351
9352static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9353{
9354 struct bnx2x_prev_path_list *tmp_list;
9355 int rc;
9356
Devendra Nagaea4b3852012-07-29 03:19:23 +00009357 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009358 if (!tmp_list) {
9359 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9360 return -ENOMEM;
9361 }
9362
9363 tmp_list->bus = bp->pdev->bus->number;
9364 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9365 tmp_list->path = BP_PATH(bp);
9366
9367 rc = down_interruptible(&bnx2x_prev_sem);
9368 if (rc) {
9369 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9370 kfree(tmp_list);
9371 } else {
9372 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9373 BP_PATH(bp));
9374 list_add(&tmp_list->list, &bnx2x_prev_list);
9375 up(&bnx2x_prev_sem);
9376 }
9377
9378 return rc;
9379}
9380
9381static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
9382{
Yuval Mintz452427b2012-03-26 20:47:07 +00009383 u32 cap;
9384 struct pci_dev *dev = bp->pdev;
9385
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009386 pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &cap);
Yuval Mintz452427b2012-03-26 20:47:07 +00009387 if (!(cap & PCI_EXP_DEVCAP_FLR))
9388 return false;
9389
9390 return true;
9391}
9392
9393static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9394{
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009395 int i;
Yuval Mintz452427b2012-03-26 20:47:07 +00009396 u16 status;
9397 struct pci_dev *dev = bp->pdev;
9398
9399 /* probe the capability first */
9400 if (bnx2x_can_flr(bp))
9401 return -ENOTTY;
9402
Yuval Mintz452427b2012-03-26 20:47:07 +00009403 /* Wait for Transaction Pending bit clean */
9404 for (i = 0; i < 4; i++) {
9405 if (i)
9406 msleep((1 << (i - 1)) * 100);
9407
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009408 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Yuval Mintz452427b2012-03-26 20:47:07 +00009409 if (!(status & PCI_EXP_DEVSTA_TRPND))
9410 goto clear;
9411 }
9412
9413 dev_err(&dev->dev,
9414 "transaction is not cleared; proceeding with reset anyway\n");
9415
9416clear:
9417 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9418 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9419 bp->common.bc_ver);
9420 return -EINVAL;
9421 }
9422
9423 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9424
9425 return 0;
9426}
9427
9428static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9429{
9430 int rc;
9431
9432 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9433
9434 /* Test if previous unload process was already finished for this path */
9435 if (bnx2x_prev_is_path_marked(bp))
9436 return bnx2x_prev_mcp_done(bp);
9437
9438 /* If function has FLR capabilities, and existing FW version matches
9439 * the one required, then FLR will be sufficient to clean any residue
9440 * left by previous driver
9441 */
9442 if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp))
9443 return bnx2x_do_flr(bp);
9444
9445 /* Close the MCP request, return failure*/
9446 rc = bnx2x_prev_mcp_done(bp);
9447 if (!rc)
9448 rc = BNX2X_PREV_WAIT_NEEDED;
9449
9450 return rc;
9451}
9452
9453static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9454{
9455 u32 reset_reg, tmp_reg = 0, rc;
9456 /* It is possible a previous function received 'common' answer,
9457 * but hasn't loaded yet, therefore creating a scenario of
9458 * multiple functions receiving 'common' on the same path.
9459 */
9460 BNX2X_DEV_INFO("Common unload Flow\n");
9461
9462 if (bnx2x_prev_is_path_marked(bp))
9463 return bnx2x_prev_mcp_done(bp);
9464
9465 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9466
9467 /* Reset should be performed after BRB is emptied */
9468 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9469 u32 timer_count = 1000;
9470 bool prev_undi = false;
9471
9472 /* Close the MAC Rx to prevent BRB from filling up */
9473 bnx2x_prev_unload_close_mac(bp);
9474
9475 /* Check if the UNDI driver was previously loaded
9476 * UNDI driver initializes CID offset for normal bell to 0x7
9477 */
9478 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9479 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9480 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9481 if (tmp_reg == 0x7) {
9482 BNX2X_DEV_INFO("UNDI previously loaded\n");
9483 prev_undi = true;
9484 /* clear the UNDI indication */
9485 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9486 }
9487 }
9488 /* wait until BRB is empty */
9489 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9490 while (timer_count) {
9491 u32 prev_brb = tmp_reg;
9492
9493 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9494 if (!tmp_reg)
9495 break;
9496
9497 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9498
9499 /* reset timer as long as BRB actually gets emptied */
9500 if (prev_brb > tmp_reg)
9501 timer_count = 1000;
9502 else
9503 timer_count--;
9504
9505 /* If UNDI resides in memory, manually increment it */
9506 if (prev_undi)
9507 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9508
9509 udelay(10);
9510 }
9511
9512 if (!timer_count)
9513 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9514
9515 }
9516
9517 /* No packets are in the pipeline, path is ready for reset */
9518 bnx2x_reset_common(bp);
9519
9520 rc = bnx2x_prev_mark_path(bp);
9521 if (rc) {
9522 bnx2x_prev_mcp_done(bp);
9523 return rc;
9524 }
9525
9526 return bnx2x_prev_mcp_done(bp);
9527}
9528
Ariel Elior24f06712012-05-06 07:05:57 +00009529/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9530 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9531 * the addresses of the transaction, resulting in was-error bit set in the pci
9532 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9533 * to clear the interrupt which detected this from the pglueb and the was done
9534 * bit
9535 */
9536static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9537{
9538 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9539 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9540 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9541 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9542 }
9543}
9544
Yuval Mintz452427b2012-03-26 20:47:07 +00009545static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9546{
9547 int time_counter = 10;
9548 u32 rc, fw, hw_lock_reg, hw_lock_val;
9549 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9550
Ariel Elior24f06712012-05-06 07:05:57 +00009551 /* clear hw from errors which may have resulted from an interrupted
9552 * dmae transaction.
9553 */
9554 bnx2x_prev_interrupted_dmae(bp);
9555
9556 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009557 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9558 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9559 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9560
9561 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9562 if (hw_lock_val) {
9563 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9564 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9565 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9566 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9567 }
9568
9569 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9570 REG_WR(bp, hw_lock_reg, 0xffffffff);
9571 } else
9572 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9573
9574 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9575 BNX2X_DEV_INFO("Release previously held alr\n");
9576 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9577 }
9578
9579
9580 do {
9581 /* Lock MCP using an unload request */
9582 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9583 if (!fw) {
9584 BNX2X_ERR("MCP response failure, aborting\n");
9585 rc = -EBUSY;
9586 break;
9587 }
9588
9589 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9590 rc = bnx2x_prev_unload_common(bp);
9591 break;
9592 }
9593
9594 /* non-common reply from MCP night require looping */
9595 rc = bnx2x_prev_unload_uncommon(bp);
9596 if (rc != BNX2X_PREV_WAIT_NEEDED)
9597 break;
9598
9599 msleep(20);
9600 } while (--time_counter);
9601
9602 if (!time_counter || rc) {
9603 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9604 rc = -EBUSY;
9605 }
9606
9607 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9608
9609 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009610}
9611
9612static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9613{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009614 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009615 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009616
9617 /* Get the chip revision id and number. */
9618 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9619 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9620 id = ((val & 0xffff) << 16);
9621 val = REG_RD(bp, MISC_REG_CHIP_REV);
9622 id |= ((val & 0xf) << 12);
9623 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9624 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009625 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009626 id |= (val & 0xf);
9627 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009628
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009629 /* force 57811 according to MISC register */
9630 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9631 if (CHIP_IS_57810(bp))
9632 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9633 (bp->common.chip_id & 0x0000FFFF);
9634 else if (CHIP_IS_57810_MF(bp))
9635 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9636 (bp->common.chip_id & 0x0000FFFF);
9637 bp->common.chip_id |= 0x1;
9638 }
9639
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009640 /* Set doorbell size */
9641 bp->db_size = (1 << BNX2X_DB_SHIFT);
9642
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009643 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009644 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9645 if ((val & 1) == 0)
9646 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9647 else
9648 val = (val >> 1) & 1;
9649 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9650 "2_PORT_MODE");
9651 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9652 CHIP_2_PORT_MODE;
9653
9654 if (CHIP_MODE_IS_4_PORT(bp))
9655 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9656 else
9657 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9658 } else {
9659 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9660 bp->pfid = bp->pf_num; /* 0..7 */
9661 }
9662
Merav Sicron51c1a582012-03-18 10:33:38 +00009663 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009665 bp->link_params.chip_id = bp->common.chip_id;
9666 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009667
Eilon Greenstein1c063282009-02-12 08:36:43 +00009668 val = (REG_RD(bp, 0x2874) & 0x55);
9669 if ((bp->common.chip_id & 0x1) ||
9670 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9671 bp->flags |= ONE_PORT_FLAG;
9672 BNX2X_DEV_INFO("single port device\n");
9673 }
9674
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009675 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009676 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009677 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9678 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9679 bp->common.flash_size, bp->common.flash_size);
9680
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009681 bnx2x_init_shmem(bp);
9682
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009683
9684
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009685 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9686 MISC_REG_GENERIC_CR_1 :
9687 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009688
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009689 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009690 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009691 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9692 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009693
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009694 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009695 BNX2X_DEV_INFO("MCP not active\n");
9696 bp->flags |= NO_MCP_FLAG;
9697 return;
9698 }
9699
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009700 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009701 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009702
9703 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9704 SHARED_HW_CFG_LED_MODE_MASK) >>
9705 SHARED_HW_CFG_LED_MODE_SHIFT);
9706
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009707 bp->link_params.feature_config_flags = 0;
9708 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9709 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9710 bp->link_params.feature_config_flags |=
9711 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9712 else
9713 bp->link_params.feature_config_flags &=
9714 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9715
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009716 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9717 bp->common.bc_ver = val;
9718 BNX2X_DEV_INFO("bc_ver %X\n", val);
9719 if (val < BNX2X_BC_VER) {
9720 /* for now only warn
9721 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009722 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9723 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009724 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009725 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009726 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009727 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9728
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009729 bp->link_params.feature_config_flags |=
9730 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9731 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009732 bp->link_params.feature_config_flags |=
9733 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9734 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009735 bp->link_params.feature_config_flags |=
9736 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9737 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009738 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9739 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009740
Barak Witkowski2e499d32012-06-26 01:31:19 +00009741 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9742 BC_SUPPORTS_FCOE_FEATURES : 0;
9743
Barak Witkowski98768792012-06-19 07:48:31 +00009744 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9745 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009746 boot_mode = SHMEM_RD(bp,
9747 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9748 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9749 switch (boot_mode) {
9750 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9751 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9752 break;
9753 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9754 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9755 break;
9756 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9757 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9758 break;
9759 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9760 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9761 break;
9762 }
9763
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009764 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9765 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9766
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009767 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009768 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009769
9770 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9771 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9772 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9773 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9774
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009775 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9776 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009777}
9778
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009779#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9780#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9781
9782static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9783{
9784 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009785 int igu_sb_id;
9786 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009787 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009788
9789 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009790 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009791 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009792 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009793 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9794 FP_SB_MAX_E1x;
9795
9796 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9797 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9798
9799 return;
9800 }
9801
9802 /* IGU in normal mode - read CAM */
9803 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9804 igu_sb_id++) {
9805 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9806 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9807 continue;
9808 fid = IGU_FID(val);
9809 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9810 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9811 continue;
9812 if (IGU_VEC(val) == 0)
9813 /* default status block */
9814 bp->igu_dsb_id = igu_sb_id;
9815 else {
9816 if (bp->igu_base_sb == 0xff)
9817 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009818 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009819 }
9820 }
9821 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009822
Ariel Elior6383c0b2011-07-14 08:31:57 +00009823#ifdef CONFIG_PCI_MSI
9824 /*
9825 * It's expected that number of CAM entries for this functions is equal
9826 * to the number evaluated based on the MSI-X table size. We want a
9827 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009828 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009829 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9830#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009831
Ariel Elior6383c0b2011-07-14 08:31:57 +00009832 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009833 BNX2X_ERR("CAM configuration error\n");
9834}
9835
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009836static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9837 u32 switch_cfg)
9838{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009839 int cfg_size = 0, idx, port = BP_PORT(bp);
9840
9841 /* Aggregation of supported attributes of all external phys */
9842 bp->port.supported[0] = 0;
9843 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009844 switch (bp->link_params.num_phys) {
9845 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009846 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9847 cfg_size = 1;
9848 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009849 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009850 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9851 cfg_size = 1;
9852 break;
9853 case 3:
9854 if (bp->link_params.multi_phy_config &
9855 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9856 bp->port.supported[1] =
9857 bp->link_params.phy[EXT_PHY1].supported;
9858 bp->port.supported[0] =
9859 bp->link_params.phy[EXT_PHY2].supported;
9860 } else {
9861 bp->port.supported[0] =
9862 bp->link_params.phy[EXT_PHY1].supported;
9863 bp->port.supported[1] =
9864 bp->link_params.phy[EXT_PHY2].supported;
9865 }
9866 cfg_size = 2;
9867 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009868 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009869
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009870 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009871 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009872 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009873 dev_info.port_hw_config[port].external_phy_config),
9874 SHMEM_RD(bp,
9875 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009876 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009877 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009878
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009879 if (CHIP_IS_E3(bp))
9880 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9881 else {
9882 switch (switch_cfg) {
9883 case SWITCH_CFG_1G:
9884 bp->port.phy_addr = REG_RD(
9885 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9886 break;
9887 case SWITCH_CFG_10G:
9888 bp->port.phy_addr = REG_RD(
9889 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9890 break;
9891 default:
9892 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9893 bp->port.link_config[0]);
9894 return;
9895 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009896 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009897 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009898 /* mask what we support according to speed_cap_mask per configuration */
9899 for (idx = 0; idx < cfg_size; idx++) {
9900 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009901 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009902 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009903
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009904 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009905 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009906 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009907
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009908 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009909 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009910 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009911
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009912 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009913 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009914 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009915
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009916 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009917 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009918 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009919 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009920
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009921 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009922 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009923 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009924
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009925 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009926 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009927 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009928
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009929 }
9930
9931 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9932 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009933}
9934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009935static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009936{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009937 u32 link_config, idx, cfg_size = 0;
9938 bp->port.advertising[0] = 0;
9939 bp->port.advertising[1] = 0;
9940 switch (bp->link_params.num_phys) {
9941 case 1:
9942 case 2:
9943 cfg_size = 1;
9944 break;
9945 case 3:
9946 cfg_size = 2;
9947 break;
9948 }
9949 for (idx = 0; idx < cfg_size; idx++) {
9950 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9951 link_config = bp->port.link_config[idx];
9952 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009953 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009954 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9955 bp->link_params.req_line_speed[idx] =
9956 SPEED_AUTO_NEG;
9957 bp->port.advertising[idx] |=
9958 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009959 if (bp->link_params.phy[EXT_PHY1].type ==
9960 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9961 bp->port.advertising[idx] |=
9962 (SUPPORTED_100baseT_Half |
9963 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009964 } else {
9965 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009966 bp->link_params.req_line_speed[idx] =
9967 SPEED_10000;
9968 bp->port.advertising[idx] |=
9969 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009970 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009971 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009972 }
9973 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009974
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009975 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009976 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9977 bp->link_params.req_line_speed[idx] =
9978 SPEED_10;
9979 bp->port.advertising[idx] |=
9980 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009981 ADVERTISED_TP);
9982 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009983 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009984 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009985 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009986 return;
9987 }
9988 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009989
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009990 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009991 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9992 bp->link_params.req_line_speed[idx] =
9993 SPEED_10;
9994 bp->link_params.req_duplex[idx] =
9995 DUPLEX_HALF;
9996 bp->port.advertising[idx] |=
9997 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009998 ADVERTISED_TP);
9999 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010000 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010001 link_config,
10002 bp->link_params.speed_cap_mask[idx]);
10003 return;
10004 }
10005 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010006
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010007 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10008 if (bp->port.supported[idx] &
10009 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010010 bp->link_params.req_line_speed[idx] =
10011 SPEED_100;
10012 bp->port.advertising[idx] |=
10013 (ADVERTISED_100baseT_Full |
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_HALF:
10024 if (bp->port.supported[idx] &
10025 SUPPORTED_100baseT_Half) {
10026 bp->link_params.req_line_speed[idx] =
10027 SPEED_100;
10028 bp->link_params.req_duplex[idx] =
10029 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010030 bp->port.advertising[idx] |=
10031 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010032 ADVERTISED_TP);
10033 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010034 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010035 link_config,
10036 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010037 return;
10038 }
10039 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010040
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010041 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010042 if (bp->port.supported[idx] &
10043 SUPPORTED_1000baseT_Full) {
10044 bp->link_params.req_line_speed[idx] =
10045 SPEED_1000;
10046 bp->port.advertising[idx] |=
10047 (ADVERTISED_1000baseT_Full |
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_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010058 if (bp->port.supported[idx] &
10059 SUPPORTED_2500baseX_Full) {
10060 bp->link_params.req_line_speed[idx] =
10061 SPEED_2500;
10062 bp->port.advertising[idx] |=
10063 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010064 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010065 } 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,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010068 bp->link_params.speed_cap_mask[idx]);
10069 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_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010074 if (bp->port.supported[idx] &
10075 SUPPORTED_10000baseT_Full) {
10076 bp->link_params.req_line_speed[idx] =
10077 SPEED_10000;
10078 bp->port.advertising[idx] |=
10079 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010080 ADVERTISED_FIBRE);
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;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010088 case PORT_FEATURE_LINK_SPEED_20G:
10089 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010090
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010091 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010092 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010093 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010094 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010095 bp->link_params.req_line_speed[idx] =
10096 SPEED_AUTO_NEG;
10097 bp->port.advertising[idx] =
10098 bp->port.supported[idx];
10099 break;
10100 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010101
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010102 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010103 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010104 if ((bp->link_params.req_flow_ctrl[idx] ==
10105 BNX2X_FLOW_CTRL_AUTO) &&
10106 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10107 bp->link_params.req_flow_ctrl[idx] =
10108 BNX2X_FLOW_CTRL_NONE;
10109 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010110
Merav Sicron51c1a582012-03-18 10:33:38 +000010111 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 +000010112 bp->link_params.req_line_speed[idx],
10113 bp->link_params.req_duplex[idx],
10114 bp->link_params.req_flow_ctrl[idx],
10115 bp->port.advertising[idx]);
10116 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010117}
10118
Michael Chane665bfd2009-10-10 13:46:54 +000010119static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10120{
10121 mac_hi = cpu_to_be16(mac_hi);
10122 mac_lo = cpu_to_be32(mac_lo);
10123 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10124 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10125}
10126
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010127static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010128{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010129 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010130 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010131 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010132
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010133 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010134 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010135
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010136 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010137 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010138
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010139 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010140 SHMEM_RD(bp,
10141 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010142 bp->link_params.speed_cap_mask[1] =
10143 SHMEM_RD(bp,
10144 dev_info.port_hw_config[port].speed_capability_mask2);
10145 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010146 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10147
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010148 bp->port.link_config[1] =
10149 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010150
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010151 bp->link_params.multi_phy_config =
10152 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010153 /* If the device is capable of WoL, set the default state according
10154 * to the HW
10155 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010156 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010157 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10158 (config & PORT_FEATURE_WOL_ENABLED));
10159
Merav Sicron51c1a582012-03-18 10:33:38 +000010160 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010161 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010162 bp->link_params.speed_cap_mask[0],
10163 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010164
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010165 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010166 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010167 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010168 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010169
10170 bnx2x_link_settings_requested(bp);
10171
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010172 /*
10173 * If connected directly, work with the internal PHY, otherwise, work
10174 * with the external PHY
10175 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010176 ext_phy_config =
10177 SHMEM_RD(bp,
10178 dev_info.port_hw_config[port].external_phy_config);
10179 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010180 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010181 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010182
10183 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10184 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10185 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010186 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010187
10188 /*
10189 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10190 * In MF mode, it is set to cover self test cases
10191 */
10192 if (IS_MF(bp))
10193 bp->port.need_hw_lock = 1;
10194 else
10195 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10196 bp->common.shmem_base,
10197 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010198
10199 /* Configure link feature according to nvram value */
10200 eee_mode = (((SHMEM_RD(bp, dev_info.
10201 port_feature_config[port].eee_power_mode)) &
10202 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10203 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10204 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10205 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10206 EEE_MODE_ENABLE_LPI |
10207 EEE_MODE_OUTPUT_TIME;
10208 } else {
10209 bp->link_params.eee_mode = 0;
10210 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010211}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010212
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010213void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010214{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010215 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010216#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010217 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010218
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010219 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010220 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010221
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010222 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010223 bp->cnic_eth_dev.max_iscsi_conn =
10224 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10225 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10226
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010227 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10228 bp->cnic_eth_dev.max_iscsi_conn);
10229
10230 /*
10231 * If maximum allowed number of connections is zero -
10232 * disable the feature.
10233 */
10234 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010235 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010236#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010237 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010238#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010239}
10240
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010241#ifdef BCM_CNIC
10242static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10243{
10244 /* Port info */
10245 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10246 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10247 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10248 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10249
10250 /* Node info */
10251 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10252 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10253 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10254 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10255}
10256#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010257static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10258{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010259#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010260 int port = BP_PORT(bp);
10261 int func = BP_ABS_FUNC(bp);
10262
10263 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10264 drv_lic_key[port].max_fcoe_conn);
10265
10266 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010267 bp->cnic_eth_dev.max_fcoe_conn =
10268 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10269 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10270
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010271 /* Read the WWN: */
10272 if (!IS_MF(bp)) {
10273 /* Port info */
10274 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10275 SHMEM_RD(bp,
10276 dev_info.port_hw_config[port].
10277 fcoe_wwn_port_name_upper);
10278 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10279 SHMEM_RD(bp,
10280 dev_info.port_hw_config[port].
10281 fcoe_wwn_port_name_lower);
10282
10283 /* Node info */
10284 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10285 SHMEM_RD(bp,
10286 dev_info.port_hw_config[port].
10287 fcoe_wwn_node_name_upper);
10288 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10289 SHMEM_RD(bp,
10290 dev_info.port_hw_config[port].
10291 fcoe_wwn_node_name_lower);
10292 } else if (!IS_MF_SD(bp)) {
10293 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10294
10295 /*
10296 * Read the WWN info only if the FCoE feature is enabled for
10297 * this function.
10298 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010299 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
10300 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010301
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010302 } else if (IS_MF_FCOE_SD(bp))
10303 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010304
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010305 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010306
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010307 /*
10308 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010309 * disable the feature.
10310 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010311 if (!bp->cnic_eth_dev.max_fcoe_conn)
10312 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010313#else
10314 bp->flags |= NO_FCOE_FLAG;
10315#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010316}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010317
10318static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10319{
10320 /*
10321 * iSCSI may be dynamically disabled but reading
10322 * info here we will decrease memory usage by driver
10323 * if the feature is disabled for good
10324 */
10325 bnx2x_get_iscsi_info(bp);
10326 bnx2x_get_fcoe_info(bp);
10327}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010328
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010329static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10330{
10331 u32 val, val2;
10332 int func = BP_ABS_FUNC(bp);
10333 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010334#ifdef BCM_CNIC
10335 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10336 u8 *fip_mac = bp->fip_mac;
10337#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010338
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010339 /* Zero primary MAC configuration */
10340 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10341
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010342 if (BP_NOMCP(bp)) {
10343 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010344 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010345 } else if (IS_MF(bp)) {
10346 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10347 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10348 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10349 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10350 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10351
10352#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010353 /*
10354 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010355 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010356 *
10357 * In non SD mode features configuration comes from
10358 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010359 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010360 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010361 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10362 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10363 val2 = MF_CFG_RD(bp, func_ext_config[func].
10364 iscsi_mac_addr_upper);
10365 val = MF_CFG_RD(bp, func_ext_config[func].
10366 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010367 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +000010368 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10369 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010370 } else
10371 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10372
10373 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10374 val2 = MF_CFG_RD(bp, func_ext_config[func].
10375 fcoe_mac_addr_upper);
10376 val = MF_CFG_RD(bp, func_ext_config[func].
10377 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010378 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010379 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010380 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010381
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010382 } else
10383 bp->flags |= NO_FCOE_FLAG;
Barak Witkowskia3348722012-04-23 03:04:46 +000010384
10385 bp->mf_ext_config = cfg;
10386
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010387 } else { /* SD MODE */
10388 if (IS_MF_STORAGE_SD(bp)) {
10389 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10390 /* use primary mac as iscsi mac */
10391 memcpy(iscsi_mac, bp->dev->dev_addr,
10392 ETH_ALEN);
10393
10394 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10395 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10396 iscsi_mac);
10397 } else { /* FCoE */
10398 memcpy(fip_mac, bp->dev->dev_addr,
10399 ETH_ALEN);
10400 BNX2X_DEV_INFO("SD FCoE MODE\n");
10401 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
10402 fip_mac);
10403 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010404 /* Zero primary MAC configuration */
10405 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010406 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010407 }
Barak Witkowskia3348722012-04-23 03:04:46 +000010408
10409 if (IS_MF_FCOE_AFEX(bp))
10410 /* use FIP MAC as primary MAC */
10411 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10412
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010413#endif
10414 } else {
10415 /* in SF read MACs from port configuration */
10416 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10417 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10418 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10419
10420#ifdef BCM_CNIC
10421 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10422 iscsi_mac_upper);
10423 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10424 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010425 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +000010426
10427 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10428 fcoe_fip_mac_upper);
10429 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10430 fcoe_fip_mac_lower);
10431 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010432#endif
10433 }
10434
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010435 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10436 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010437
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010438#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +000010439 /* Disable iSCSI if MAC configuration is
10440 * invalid.
10441 */
10442 if (!is_valid_ether_addr(iscsi_mac)) {
10443 bp->flags |= NO_ISCSI_FLAG;
10444 memset(iscsi_mac, 0, ETH_ALEN);
10445 }
10446
10447 /* Disable FCoE if MAC configuration is
10448 * invalid.
10449 */
10450 if (!is_valid_ether_addr(fip_mac)) {
10451 bp->flags |= NO_FCOE_FLAG;
10452 memset(bp->fip_mac, 0, ETH_ALEN);
10453 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010454#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010455
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010456 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010457 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010458 "bad Ethernet MAC address configuration: %pM\n"
10459 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010460 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010461
10462
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010463}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010464
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010465static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10466{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010467 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010468 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010469 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010470 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010471
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010472 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010473
Ariel Elior6383c0b2011-07-14 08:31:57 +000010474 /*
10475 * initialize IGU parameters
10476 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010477 if (CHIP_IS_E1x(bp)) {
10478 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010479
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010480 bp->igu_dsb_id = DEF_SB_IGU_ID;
10481 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010482 } else {
10483 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010484
10485 /* do not allow device reset during IGU info preocessing */
10486 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010488 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010489
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010490 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010491 int tout = 5000;
10492
10493 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10494
10495 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10496 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10497 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10498
10499 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10500 tout--;
10501 usleep_range(1000, 1000);
10502 }
10503
10504 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10505 dev_err(&bp->pdev->dev,
10506 "FORCING Normal Mode failed!!!\n");
10507 return -EPERM;
10508 }
10509 }
10510
10511 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10512 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010513 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10514 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010515 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010516
10517 bnx2x_get_igu_cam_info(bp);
10518
David S. Miller8decf862011-09-22 03:23:13 -040010519 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010520 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010521
10522 /*
10523 * set base FW non-default (fast path) status block id, this value is
10524 * used to initialize the fw_sb_id saved on the fp/queue structure to
10525 * determine the id used by the FW.
10526 */
10527 if (CHIP_IS_E1x(bp))
10528 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10529 else /*
10530 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10531 * the same queue are indicated on the same IGU SB). So we prefer
10532 * FW and IGU SBs to be the same value.
10533 */
10534 bp->base_fw_ndsb = bp->igu_base_sb;
10535
10536 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10537 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10538 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010539
10540 /*
10541 * Initialize MF configuration
10542 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010543
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010544 bp->mf_ov = 0;
10545 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010546 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010547
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010548 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010549 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10550 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10551 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10552
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010553 if (SHMEM2_HAS(bp, mf_cfg_addr))
10554 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10555 else
10556 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010557 offsetof(struct shmem_region, func_mb) +
10558 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010559 /*
10560 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010561 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010562 * 2. MAC address must be legal (check only upper bytes)
10563 * for Switch-Independent mode;
10564 * OVLAN must be legal for Switch-Dependent mode
10565 * 3. SF_MODE configures specific MF mode
10566 */
10567 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10568 /* get mf configuration */
10569 val = SHMEM_RD(bp,
10570 dev_info.shared_feature_config.config);
10571 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010572
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010573 switch (val) {
10574 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10575 val = MF_CFG_RD(bp, func_mf_config[func].
10576 mac_upper);
10577 /* check for legal mac (upper bytes)*/
10578 if (val != 0xffff) {
10579 bp->mf_mode = MULTI_FUNCTION_SI;
10580 bp->mf_config[vn] = MF_CFG_RD(bp,
10581 func_mf_config[func].config);
10582 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010583 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010584 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010585 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10586 if ((!CHIP_IS_E1x(bp)) &&
10587 (MF_CFG_RD(bp, func_mf_config[func].
10588 mac_upper) != 0xffff) &&
10589 (SHMEM2_HAS(bp,
10590 afex_driver_support))) {
10591 bp->mf_mode = MULTI_FUNCTION_AFEX;
10592 bp->mf_config[vn] = MF_CFG_RD(bp,
10593 func_mf_config[func].config);
10594 } else {
10595 BNX2X_DEV_INFO("can not configure afex mode\n");
10596 }
10597 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010598 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10599 /* get OV configuration */
10600 val = MF_CFG_RD(bp,
10601 func_mf_config[FUNC_0].e1hov_tag);
10602 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10603
10604 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10605 bp->mf_mode = MULTI_FUNCTION_SD;
10606 bp->mf_config[vn] = MF_CFG_RD(bp,
10607 func_mf_config[func].config);
10608 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010609 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010610 break;
10611 default:
10612 /* Unknown configuration: reset mf_config */
10613 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010614 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010615 }
10616 }
10617
Eilon Greenstein2691d512009-08-12 08:22:08 +000010618 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010619 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010620
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010621 switch (bp->mf_mode) {
10622 case MULTI_FUNCTION_SD:
10623 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10624 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010625 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010626 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010627 bp->path_has_ovlan = true;
10628
Merav Sicron51c1a582012-03-18 10:33:38 +000010629 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10630 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010631 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010632 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010633 "No valid MF OV for func %d, aborting\n",
10634 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010635 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010636 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010637 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010638 case MULTI_FUNCTION_AFEX:
10639 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10640 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010641 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010642 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10643 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010644 break;
10645 default:
10646 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010647 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010648 "VN %d is in a single function mode, aborting\n",
10649 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010650 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010651 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010652 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010653 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010654
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010655 /* check if other port on the path needs ovlan:
10656 * Since MF configuration is shared between ports
10657 * Possible mixed modes are only
10658 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10659 */
10660 if (CHIP_MODE_IS_4_PORT(bp) &&
10661 !bp->path_has_ovlan &&
10662 !IS_MF(bp) &&
10663 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10664 u8 other_port = !BP_PORT(bp);
10665 u8 other_func = BP_PATH(bp) + 2*other_port;
10666 val = MF_CFG_RD(bp,
10667 func_mf_config[other_func].e1hov_tag);
10668 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10669 bp->path_has_ovlan = true;
10670 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010671 }
10672
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010673 /* adjust igu_sb_cnt to MF for E1x */
10674 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010675 bp->igu_sb_cnt /= E1HVN_MAX;
10676
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010677 /* port info */
10678 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010679
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010680 /* Get MAC addresses */
10681 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010682
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010683 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010684
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010685 return rc;
10686}
10687
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010688static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10689{
10690 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010691 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010692 char str_id_reg[VENDOR_ID_LEN+1];
10693 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010694 char *vpd_data;
10695 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010696 u8 len;
10697
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010698 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010699 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10700
10701 if (cnt < BNX2X_VPD_LEN)
10702 goto out_not_found;
10703
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010704 /* VPD RO tag should be first tag after identifier string, hence
10705 * we should be able to find it in first BNX2X_VPD_LEN chars
10706 */
10707 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010708 PCI_VPD_LRDT_RO_DATA);
10709 if (i < 0)
10710 goto out_not_found;
10711
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010712 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010713 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010714
10715 i += PCI_VPD_LRDT_TAG_SIZE;
10716
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010717 if (block_end > BNX2X_VPD_LEN) {
10718 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10719 if (vpd_extended_data == NULL)
10720 goto out_not_found;
10721
10722 /* read rest of vpd image into vpd_extended_data */
10723 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10724 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10725 block_end - BNX2X_VPD_LEN,
10726 vpd_extended_data + BNX2X_VPD_LEN);
10727 if (cnt < (block_end - BNX2X_VPD_LEN))
10728 goto out_not_found;
10729 vpd_data = vpd_extended_data;
10730 } else
10731 vpd_data = vpd_start;
10732
10733 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010734
10735 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10736 PCI_VPD_RO_KEYWORD_MFR_ID);
10737 if (rodi < 0)
10738 goto out_not_found;
10739
10740 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10741
10742 if (len != VENDOR_ID_LEN)
10743 goto out_not_found;
10744
10745 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10746
10747 /* vendor specific info */
10748 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10749 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10750 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10751 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10752
10753 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10754 PCI_VPD_RO_KEYWORD_VENDOR0);
10755 if (rodi >= 0) {
10756 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10757
10758 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10759
10760 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10761 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10762 bp->fw_ver[len] = ' ';
10763 }
10764 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010765 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010766 return;
10767 }
10768out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010769 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010770 return;
10771}
10772
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010773static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10774{
10775 u32 flags = 0;
10776
10777 if (CHIP_REV_IS_FPGA(bp))
10778 SET_FLAGS(flags, MODE_FPGA);
10779 else if (CHIP_REV_IS_EMUL(bp))
10780 SET_FLAGS(flags, MODE_EMUL);
10781 else
10782 SET_FLAGS(flags, MODE_ASIC);
10783
10784 if (CHIP_MODE_IS_4_PORT(bp))
10785 SET_FLAGS(flags, MODE_PORT4);
10786 else
10787 SET_FLAGS(flags, MODE_PORT2);
10788
10789 if (CHIP_IS_E2(bp))
10790 SET_FLAGS(flags, MODE_E2);
10791 else if (CHIP_IS_E3(bp)) {
10792 SET_FLAGS(flags, MODE_E3);
10793 if (CHIP_REV(bp) == CHIP_REV_Ax)
10794 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010795 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10796 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010797 }
10798
10799 if (IS_MF(bp)) {
10800 SET_FLAGS(flags, MODE_MF);
10801 switch (bp->mf_mode) {
10802 case MULTI_FUNCTION_SD:
10803 SET_FLAGS(flags, MODE_MF_SD);
10804 break;
10805 case MULTI_FUNCTION_SI:
10806 SET_FLAGS(flags, MODE_MF_SI);
10807 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010808 case MULTI_FUNCTION_AFEX:
10809 SET_FLAGS(flags, MODE_MF_AFEX);
10810 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010811 }
10812 } else
10813 SET_FLAGS(flags, MODE_SF);
10814
10815#if defined(__LITTLE_ENDIAN)
10816 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10817#else /*(__BIG_ENDIAN)*/
10818 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10819#endif
10820 INIT_MODE_FLAGS(bp) = flags;
10821}
10822
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010823static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10824{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010825 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010826 int rc;
10827
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010828 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010829 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010830 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010831#ifdef BCM_CNIC
10832 mutex_init(&bp->cnic_mutex);
10833#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010834
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010835 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010836 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010837 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010838 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010839 if (rc)
10840 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010841
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010842 bnx2x_set_modes_bitmap(bp);
10843
10844 rc = bnx2x_alloc_mem_bp(bp);
10845 if (rc)
10846 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010847
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010848 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010849
10850 func = BP_FUNC(bp);
10851
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010852 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010853 if (!BP_NOMCP(bp)) {
10854 /* init fw_seq */
10855 bp->fw_seq =
10856 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10857 DRV_MSG_SEQ_NUMBER_MASK;
10858 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10859
10860 bnx2x_prev_unload(bp);
10861 }
10862
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010863
10864 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010865 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010866
10867 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010868 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010869
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010870 bp->disable_tpa = disable_tpa;
10871
10872#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +000010873 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010874#endif
10875
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010876 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010877 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010878 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010879 bp->dev->features &= ~NETIF_F_LRO;
10880 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010881 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010882 bp->dev->features |= NETIF_F_LRO;
10883 }
10884
Eilon Greensteina18f5122009-08-12 08:23:26 +000010885 if (CHIP_IS_E1(bp))
10886 bp->dropless_fc = 0;
10887 else
10888 bp->dropless_fc = dropless_fc;
10889
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010890 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010891
Barak Witkowskia3348722012-04-23 03:04:46 +000010892 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010893
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010894 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010895 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10896 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010897
Michal Schmidtfc543632012-02-14 09:05:46 +000010898 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010899
10900 init_timer(&bp->timer);
10901 bp->timer.expires = jiffies + bp->current_interval;
10902 bp->timer.data = (unsigned long) bp;
10903 bp->timer.function = bnx2x_timer;
10904
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010905 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010906 bnx2x_dcbx_init_params(bp);
10907
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010908#ifdef BCM_CNIC
10909 if (CHIP_IS_E1x(bp))
10910 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10911 else
10912 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10913#endif
10914
Ariel Elior6383c0b2011-07-14 08:31:57 +000010915 /* multiple tx priority */
10916 if (CHIP_IS_E1x(bp))
10917 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10918 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10919 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10920 if (CHIP_IS_E3B0(bp))
10921 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10922
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010923 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010924}
10925
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010926
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010927/****************************************************************************
10928* General service functions
10929****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010930
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010931/*
10932 * net_device service functions
10933 */
10934
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010935/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010936static int bnx2x_open(struct net_device *dev)
10937{
10938 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010939 bool global = false;
10940 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010941 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010942
Mintz Yuval1355b702012-02-15 02:10:22 +000010943 bp->stats_init = true;
10944
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010945 netif_carrier_off(dev);
10946
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010947 bnx2x_set_power_state(bp, PCI_D0);
10948
Ariel Elior889b9af2012-01-26 06:01:51 +000010949 other_load_status = bnx2x_get_load_status(bp, other_engine);
10950 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010951
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010952 /*
10953 * If parity had happen during the unload, then attentions
10954 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10955 * want the first function loaded on the current engine to
10956 * complete the recovery.
10957 */
10958 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10959 bnx2x_chk_parity_attn(bp, &global, true))
10960 do {
10961 /*
10962 * If there are attentions and they are in a global
10963 * blocks, set the GLOBAL_RESET bit regardless whether
10964 * it will be this function that will complete the
10965 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010966 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010967 if (global)
10968 bnx2x_set_reset_global(bp);
10969
10970 /*
10971 * Only the first function on the current engine should
10972 * try to recover in open. In case of attentions in
10973 * global blocks only the first in the chip should try
10974 * to recover.
10975 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010976 if ((!load_status &&
10977 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010978 bnx2x_trylock_leader_lock(bp) &&
10979 !bnx2x_leader_reset(bp)) {
10980 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010981 break;
10982 }
10983
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010984 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010985 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010986 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010987
Merav Sicron51c1a582012-03-18 10:33:38 +000010988 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
10989 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010990
10991 return -EAGAIN;
10992 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010993
10994 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010995 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010996}
10997
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010998/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000010999static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011000{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011001 struct bnx2x *bp = netdev_priv(dev);
11002
11003 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011004 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011005
11006 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011007 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011008
11009 return 0;
11010}
11011
Eric Dumazet1191cb82012-04-27 21:39:21 +000011012static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11013 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011014{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011015 int mc_count = netdev_mc_count(bp->dev);
11016 struct bnx2x_mcast_list_elem *mc_mac =
11017 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011018 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011019
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011020 if (!mc_mac)
11021 return -ENOMEM;
11022
11023 INIT_LIST_HEAD(&p->mcast_list);
11024
11025 netdev_for_each_mc_addr(ha, bp->dev) {
11026 mc_mac->mac = bnx2x_mc_addr(ha);
11027 list_add_tail(&mc_mac->link, &p->mcast_list);
11028 mc_mac++;
11029 }
11030
11031 p->mcast_list_len = mc_count;
11032
11033 return 0;
11034}
11035
Eric Dumazet1191cb82012-04-27 21:39:21 +000011036static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011037 struct bnx2x_mcast_ramrod_params *p)
11038{
11039 struct bnx2x_mcast_list_elem *mc_mac =
11040 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11041 link);
11042
11043 WARN_ON(!mc_mac);
11044 kfree(mc_mac);
11045}
11046
11047/**
11048 * bnx2x_set_uc_list - configure a new unicast MACs list.
11049 *
11050 * @bp: driver handle
11051 *
11052 * We will use zero (0) as a MAC type for these MACs.
11053 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011054static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011055{
11056 int rc;
11057 struct net_device *dev = bp->dev;
11058 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011059 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011060 unsigned long ramrod_flags = 0;
11061
11062 /* First schedule a cleanup up of old configuration */
11063 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11064 if (rc < 0) {
11065 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11066 return rc;
11067 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011068
11069 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011070 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11071 BNX2X_UC_LIST_MAC, &ramrod_flags);
11072 if (rc < 0) {
11073 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11074 rc);
11075 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011076 }
11077 }
11078
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011079 /* Execute the pending commands */
11080 __set_bit(RAMROD_CONT, &ramrod_flags);
11081 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11082 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011083}
11084
Eric Dumazet1191cb82012-04-27 21:39:21 +000011085static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011086{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011087 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011088 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011089 int rc = 0;
11090
11091 rparam.mcast_obj = &bp->mcast_obj;
11092
11093 /* first, clear all configured multicast MACs */
11094 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11095 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011096 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011097 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011098 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011099
11100 /* then, configure a new MACs list */
11101 if (netdev_mc_count(dev)) {
11102 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11103 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011104 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11105 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011106 return rc;
11107 }
11108
11109 /* Now add the new MACs */
11110 rc = bnx2x_config_mcast(bp, &rparam,
11111 BNX2X_MCAST_CMD_ADD);
11112 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011113 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11114 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011115
11116 bnx2x_free_mcast_macs_list(&rparam);
11117 }
11118
11119 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011120}
11121
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011122
11123/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011124void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011125{
11126 struct bnx2x *bp = netdev_priv(dev);
11127 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011128
11129 if (bp->state != BNX2X_STATE_OPEN) {
11130 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11131 return;
11132 }
11133
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011134 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011135
11136 if (dev->flags & IFF_PROMISC)
11137 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011138 else if ((dev->flags & IFF_ALLMULTI) ||
11139 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11140 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011141 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011142 else {
11143 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011144 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011145 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011146
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011147 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011148 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011149 }
11150
11151 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011152#ifdef BCM_CNIC
11153 /* handle ISCSI SD mode */
11154 if (IS_MF_ISCSI_SD(bp))
11155 bp->rx_mode = BNX2X_RX_MODE_NONE;
11156#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011157
11158 /* Schedule the rx_mode command */
11159 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11160 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11161 return;
11162 }
11163
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011164 bnx2x_set_storm_rx_mode(bp);
11165}
11166
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011167/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011168static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11169 int devad, u16 addr)
11170{
11171 struct bnx2x *bp = netdev_priv(netdev);
11172 u16 value;
11173 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011174
11175 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11176 prtad, devad, addr);
11177
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011178 /* The HW expects different devad if CL22 is used */
11179 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11180
11181 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011182 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011183 bnx2x_release_phy_lock(bp);
11184 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11185
11186 if (!rc)
11187 rc = value;
11188 return rc;
11189}
11190
11191/* called with rtnl_lock */
11192static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11193 u16 addr, u16 value)
11194{
11195 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011196 int rc;
11197
Merav Sicron51c1a582012-03-18 10:33:38 +000011198 DP(NETIF_MSG_LINK,
11199 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11200 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011201
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011202 /* The HW expects different devad if CL22 is used */
11203 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11204
11205 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011206 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011207 bnx2x_release_phy_lock(bp);
11208 return rc;
11209}
11210
11211/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011212static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11213{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011214 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011215 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011216
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011217 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11218 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011219
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011220 if (!netif_running(dev))
11221 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011222
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011223 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011224}
11225
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011226#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011227static void poll_bnx2x(struct net_device *dev)
11228{
11229 struct bnx2x *bp = netdev_priv(dev);
11230
11231 disable_irq(bp->pdev->irq);
11232 bnx2x_interrupt(bp->pdev->irq, dev);
11233 enable_irq(bp->pdev->irq);
11234}
11235#endif
11236
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011237static int bnx2x_validate_addr(struct net_device *dev)
11238{
11239 struct bnx2x *bp = netdev_priv(dev);
11240
Merav Sicron51c1a582012-03-18 10:33:38 +000011241 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11242 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011243 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011244 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011245 return 0;
11246}
11247
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011248static const struct net_device_ops bnx2x_netdev_ops = {
11249 .ndo_open = bnx2x_open,
11250 .ndo_stop = bnx2x_close,
11251 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011252 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011253 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011254 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011255 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011256 .ndo_do_ioctl = bnx2x_ioctl,
11257 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011258 .ndo_fix_features = bnx2x_fix_features,
11259 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011260 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011261#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011262 .ndo_poll_controller = poll_bnx2x,
11263#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011264 .ndo_setup_tc = bnx2x_setup_tc,
11265
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011266#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
11267 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11268#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011269};
11270
Eric Dumazet1191cb82012-04-27 21:39:21 +000011271static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011272{
11273 struct device *dev = &bp->pdev->dev;
11274
11275 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11276 bp->flags |= USING_DAC_FLAG;
11277 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011278 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011279 return -EIO;
11280 }
11281 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11282 dev_err(dev, "System does not support DMA, aborting\n");
11283 return -EIO;
11284 }
11285
11286 return 0;
11287}
11288
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011289static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011290 struct net_device *dev,
11291 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011292{
11293 struct bnx2x *bp;
11294 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011295 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011296 bool chip_is_e1x = (board_type == BCM57710 ||
11297 board_type == BCM57711 ||
11298 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011299
11300 SET_NETDEV_DEV(dev, &pdev->dev);
11301 bp = netdev_priv(dev);
11302
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011303 bp->dev = dev;
11304 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011305 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011306
11307 rc = pci_enable_device(pdev);
11308 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011309 dev_err(&bp->pdev->dev,
11310 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011311 goto err_out;
11312 }
11313
11314 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011315 dev_err(&bp->pdev->dev,
11316 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011317 rc = -ENODEV;
11318 goto err_out_disable;
11319 }
11320
11321 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011322 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11323 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011324 rc = -ENODEV;
11325 goto err_out_disable;
11326 }
11327
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011328 if (atomic_read(&pdev->enable_cnt) == 1) {
11329 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11330 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011331 dev_err(&bp->pdev->dev,
11332 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011333 goto err_out_disable;
11334 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011335
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011336 pci_set_master(pdev);
11337 pci_save_state(pdev);
11338 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011339
11340 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11341 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011342 dev_err(&bp->pdev->dev,
11343 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011344 rc = -EIO;
11345 goto err_out_release;
11346 }
11347
Jon Mason77c98e62011-06-27 07:45:12 +000011348 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011349 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011350 rc = -EIO;
11351 goto err_out_release;
11352 }
11353
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011354 rc = bnx2x_set_coherency_mask(bp);
11355 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011356 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011357
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011358 dev->mem_start = pci_resource_start(pdev, 0);
11359 dev->base_addr = dev->mem_start;
11360 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011361
11362 dev->irq = pdev->irq;
11363
Arjan van de Ven275f1652008-10-20 21:42:39 -070011364 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011365 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011366 dev_err(&bp->pdev->dev,
11367 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011368 rc = -ENOMEM;
11369 goto err_out_release;
11370 }
11371
Ariel Eliorc22610d02012-01-26 06:01:47 +000011372 /* In E1/E1H use pci device function given by kernel.
11373 * In E2/E3 read physical function from ME register since these chips
11374 * support Physical Device Assignment where kernel BDF maybe arbitrary
11375 * (depending on hypervisor).
11376 */
11377 if (chip_is_e1x)
11378 bp->pf_num = PCI_FUNC(pdev->devfn);
11379 else {/* chip is E2/3*/
11380 pci_read_config_dword(bp->pdev,
11381 PCICFG_ME_REGISTER, &pci_cfg_dword);
11382 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11383 ME_REG_ABS_PF_NUM_SHIFT);
11384 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011385 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011386
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011387 bnx2x_set_power_state(bp, PCI_D0);
11388
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011389 /* clean indirect addresses */
11390 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11391 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011392 /*
11393 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011394 * is not used by the driver.
11395 */
11396 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11397 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11398 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11399 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011400
Ariel Elior65087cf2012-01-23 07:31:55 +000011401 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011402 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11403 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11404 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11405 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11406 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011407
Shmulik Ravid21894002011-07-24 03:57:04 +000011408 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011409 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011410 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011411 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011412 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011413 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011414
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011415 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000011416 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011417
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011418 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011419
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011420 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011421 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011422
Jiri Pirko01789342011-08-16 06:29:00 +000011423 dev->priv_flags |= IFF_UNICAST_FLT;
11424
Michał Mirosław66371c42011-04-12 09:38:23 +000011425 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011426 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11427 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11428 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011429
11430 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11431 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11432
11433 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011434 if (bp->flags & USING_DAC_FLAG)
11435 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011436
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011437 /* Add Loopback capability to the device */
11438 dev->hw_features |= NETIF_F_LOOPBACK;
11439
Shmulik Ravid98507672011-02-28 12:19:55 -080011440#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011441 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11442#endif
11443
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011444 /* get_port_hwinfo() will set prtad and mmds properly */
11445 bp->mdio.prtad = MDIO_PRTAD_NONE;
11446 bp->mdio.mmds = 0;
11447 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11448 bp->mdio.dev = dev;
11449 bp->mdio.mdio_read = bnx2x_mdio_read;
11450 bp->mdio.mdio_write = bnx2x_mdio_write;
11451
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011452 return 0;
11453
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011454err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011455 if (atomic_read(&pdev->enable_cnt) == 1)
11456 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011457
11458err_out_disable:
11459 pci_disable_device(pdev);
11460 pci_set_drvdata(pdev, NULL);
11461
11462err_out:
11463 return rc;
11464}
11465
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011466static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11467 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011468{
11469 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11470
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011471 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11472
11473 /* return value of 1=2.5GHz 2=5GHz */
11474 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011475}
11476
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011477static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011478{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011479 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011480 struct bnx2x_fw_file_hdr *fw_hdr;
11481 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011482 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011483 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011484 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011485 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011486
Merav Sicron51c1a582012-03-18 10:33:38 +000011487 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11488 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011489 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011490 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011491
11492 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11493 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11494
11495 /* Make sure none of the offsets and sizes make us read beyond
11496 * the end of the firmware data */
11497 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11498 offset = be32_to_cpu(sections[i].offset);
11499 len = be32_to_cpu(sections[i].len);
11500 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011501 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011502 return -EINVAL;
11503 }
11504 }
11505
11506 /* Likewise for the init_ops offsets */
11507 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11508 ops_offsets = (u16 *)(firmware->data + offset);
11509 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11510
11511 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11512 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011513 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011514 return -EINVAL;
11515 }
11516 }
11517
11518 /* Check FW version */
11519 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11520 fw_ver = firmware->data + offset;
11521 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11522 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11523 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11524 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011525 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11526 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11527 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011528 BCM_5710_FW_MINOR_VERSION,
11529 BCM_5710_FW_REVISION_VERSION,
11530 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011531 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011532 }
11533
11534 return 0;
11535}
11536
Eric Dumazet1191cb82012-04-27 21:39:21 +000011537static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011538{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011539 const __be32 *source = (const __be32 *)_source;
11540 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011541 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011542
11543 for (i = 0; i < n/4; i++)
11544 target[i] = be32_to_cpu(source[i]);
11545}
11546
11547/*
11548 Ops array is stored in the following format:
11549 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11550 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011551static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011552{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011553 const __be32 *source = (const __be32 *)_source;
11554 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011555 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011556
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011557 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011558 tmp = be32_to_cpu(source[j]);
11559 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011560 target[i].offset = tmp & 0xffffff;
11561 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011562 }
11563}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011564
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011565/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011566 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11567 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011568static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011569{
11570 const __be32 *source = (const __be32 *)_source;
11571 struct iro *target = (struct iro *)_target;
11572 u32 i, j, tmp;
11573
11574 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11575 target[i].base = be32_to_cpu(source[j]);
11576 j++;
11577 tmp = be32_to_cpu(source[j]);
11578 target[i].m1 = (tmp >> 16) & 0xffff;
11579 target[i].m2 = tmp & 0xffff;
11580 j++;
11581 tmp = be32_to_cpu(source[j]);
11582 target[i].m3 = (tmp >> 16) & 0xffff;
11583 target[i].size = tmp & 0xffff;
11584 j++;
11585 }
11586}
11587
Eric Dumazet1191cb82012-04-27 21:39:21 +000011588static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011589{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011590 const __be16 *source = (const __be16 *)_source;
11591 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011592 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011593
11594 for (i = 0; i < n/2; i++)
11595 target[i] = be16_to_cpu(source[i]);
11596}
11597
Joe Perches7995c642010-02-17 15:01:52 +000011598#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11599do { \
11600 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11601 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011602 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011603 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011604 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11605 (u8 *)bp->arr, len); \
11606} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011607
Yuval Mintz3b603062012-03-18 10:33:39 +000011608static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011609{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011610 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011611 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011612 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011613
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011614 if (bp->firmware)
11615 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011616
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011617 if (CHIP_IS_E1(bp))
11618 fw_file_name = FW_FILE_NAME_E1;
11619 else if (CHIP_IS_E1H(bp))
11620 fw_file_name = FW_FILE_NAME_E1H;
11621 else if (!CHIP_IS_E1x(bp))
11622 fw_file_name = FW_FILE_NAME_E2;
11623 else {
11624 BNX2X_ERR("Unsupported chip revision\n");
11625 return -EINVAL;
11626 }
11627 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011628
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011629 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11630 if (rc) {
11631 BNX2X_ERR("Can't load firmware file %s\n",
11632 fw_file_name);
11633 goto request_firmware_exit;
11634 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011635
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011636 rc = bnx2x_check_firmware(bp);
11637 if (rc) {
11638 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11639 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011640 }
11641
11642 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11643
11644 /* Initialize the pointers to the init arrays */
11645 /* Blob */
11646 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11647
11648 /* Opcodes */
11649 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11650
11651 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011652 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11653 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011654
11655 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011656 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11657 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11658 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11659 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11660 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11661 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11662 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11663 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11664 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11665 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11666 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11667 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11668 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11669 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11670 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11671 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011672 /* IRO */
11673 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011674
11675 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011676
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011677iro_alloc_err:
11678 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011679init_offsets_alloc_err:
11680 kfree(bp->init_ops);
11681init_ops_alloc_err:
11682 kfree(bp->init_data);
11683request_firmware_exit:
11684 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011685 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011686
11687 return rc;
11688}
11689
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011690static void bnx2x_release_firmware(struct bnx2x *bp)
11691{
11692 kfree(bp->init_ops_offsets);
11693 kfree(bp->init_ops);
11694 kfree(bp->init_data);
11695 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011696 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011697}
11698
11699
11700static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11701 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11702 .init_hw_cmn = bnx2x_init_hw_common,
11703 .init_hw_port = bnx2x_init_hw_port,
11704 .init_hw_func = bnx2x_init_hw_func,
11705
11706 .reset_hw_cmn = bnx2x_reset_common,
11707 .reset_hw_port = bnx2x_reset_port,
11708 .reset_hw_func = bnx2x_reset_func,
11709
11710 .gunzip_init = bnx2x_gunzip_init,
11711 .gunzip_end = bnx2x_gunzip_end,
11712
11713 .init_fw = bnx2x_init_firmware,
11714 .release_fw = bnx2x_release_firmware,
11715};
11716
11717void bnx2x__init_func_obj(struct bnx2x *bp)
11718{
11719 /* Prepare DMAE related driver resources */
11720 bnx2x_setup_dmae(bp);
11721
11722 bnx2x_init_func_obj(bp, &bp->func_obj,
11723 bnx2x_sp(bp, func_rdata),
11724 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011725 bnx2x_sp(bp, func_afex_rdata),
11726 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011727 &bnx2x_func_sp_drv);
11728}
11729
11730/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011731static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011732{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011733 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011734
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011735#ifdef BCM_CNIC
11736 cid_count += CNIC_CID_MAX;
11737#endif
11738 return roundup(cid_count, QM_CID_ROUND);
11739}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011740
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011741/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011742 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011743 *
11744 * @dev: pci device
11745 *
11746 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011747static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011748{
11749 int pos;
11750 u16 control;
11751
11752 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011753
Ariel Elior6383c0b2011-07-14 08:31:57 +000011754 /*
11755 * If MSI-X is not supported - return number of SBs needed to support
11756 * one fast path queue: one FP queue + SB for CNIC
11757 */
11758 if (!pos)
11759 return 1 + CNIC_PRESENT;
11760
11761 /*
11762 * The value in the PCI configuration space is the index of the last
11763 * entry, namely one less than the actual size of the table, which is
11764 * exactly what we want to return from this function: number of all SBs
11765 * without the default SB.
11766 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011767 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011768 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011769}
11770
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011771static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11772 const struct pci_device_id *ent)
11773{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011774 struct net_device *dev = NULL;
11775 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011776 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011777 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011778 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011779 /*
11780 * An estimated maximum supported CoS number according to the chip
11781 * version.
11782 * We will try to roughly estimate the maximum number of CoSes this chip
11783 * may support in order to minimize the memory allocated for Tx
11784 * netdev_queue's. This number will be accurately calculated during the
11785 * initialization of bp->max_cos based on the chip versions AND chip
11786 * revision in the bnx2x_init_bp().
11787 */
11788 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011789
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011790 switch (ent->driver_data) {
11791 case BCM57710:
11792 case BCM57711:
11793 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011794 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11795 break;
11796
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011797 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011798 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011799 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11800 break;
11801
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011802 case BCM57800:
11803 case BCM57800_MF:
11804 case BCM57810:
11805 case BCM57810_MF:
Yuval Mintzc3def942012-07-23 10:25:43 +030011806 case BCM57840_O:
11807 case BCM57840_4_10:
11808 case BCM57840_2_20:
11809 case BCM57840_MFO:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011810 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011811 case BCM57811:
11812 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011813 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011814 break;
11815
11816 default:
11817 pr_err("Unknown board_type (%ld), aborting\n",
11818 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011819 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011820 }
11821
Ariel Elior6383c0b2011-07-14 08:31:57 +000011822 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11823
Ariel Elior6383c0b2011-07-14 08:31:57 +000011824 WARN_ON(!max_non_def_sbs);
11825
11826 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11827 rss_count = max_non_def_sbs - CNIC_PRESENT;
11828
11829 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11830 rx_count = rss_count + FCOE_PRESENT;
11831
11832 /*
11833 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000011834 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000011835 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011836 tx_count = rss_count * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011837
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011838 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011839 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011840 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011841 return -ENOMEM;
11842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011843 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011844
Ariel Elior6383c0b2011-07-14 08:31:57 +000011845 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011846 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011847 pci_set_drvdata(pdev, dev);
11848
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011849 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011850 if (rc < 0) {
11851 free_netdev(dev);
11852 return rc;
11853 }
11854
Merav Sicron51c1a582012-03-18 10:33:38 +000011855 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011856
Merav Sicron60aa0502012-06-19 07:48:29 +000011857 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
11858 tx_count, rx_count);
11859
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011860 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011861 if (rc)
11862 goto init_one_exit;
11863
Ariel Elior6383c0b2011-07-14 08:31:57 +000011864 /*
11865 * Map doorbels here as we need the real value of bp->max_cos which
11866 * is initialized in bnx2x_init_bp().
11867 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011868 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
11869 if (doorbell_size > pci_resource_len(pdev, 2)) {
11870 dev_err(&bp->pdev->dev,
11871 "Cannot map doorbells, bar size too small, aborting\n");
11872 rc = -ENOMEM;
11873 goto init_one_exit;
11874 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000011875 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000011876 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011877 if (!bp->doorbells) {
11878 dev_err(&bp->pdev->dev,
11879 "Cannot map doorbell space, aborting\n");
11880 rc = -ENOMEM;
11881 goto init_one_exit;
11882 }
11883
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011884 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011885 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011886
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011887#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011888 /* disable FCOE L2 queue for E1x */
11889 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011890 bp->flags |= NO_FCOE_FLAG;
11891
11892#endif
11893
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011894
11895 /* Set bp->num_queues for MSI-X mode*/
11896 bnx2x_set_num_queues(bp);
11897
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011898 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011899 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011900 */
11901 bnx2x_set_int_mode(bp);
11902
11903 /* Add all NAPI objects */
11904 bnx2x_add_all_napi(bp);
11905
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011906 rc = register_netdev(dev);
11907 if (rc) {
11908 dev_err(&pdev->dev, "Cannot register net device\n");
11909 goto init_one_exit;
11910 }
11911
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011912#ifdef BCM_CNIC
11913 if (!NO_FCOE(bp)) {
11914 /* Add storage MAC address */
11915 rtnl_lock();
11916 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11917 rtnl_unlock();
11918 }
11919#endif
11920
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011921 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011922
Merav Sicron51c1a582012-03-18 10:33:38 +000011923 BNX2X_DEV_INFO(
11924 "%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 +000011925 board_info[ent->driver_data].name,
11926 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11927 pcie_width,
11928 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11929 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11930 "5GHz (Gen2)" : "2.5GHz",
11931 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011932
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011933 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011934
11935init_one_exit:
11936 if (bp->regview)
11937 iounmap(bp->regview);
11938
11939 if (bp->doorbells)
11940 iounmap(bp->doorbells);
11941
11942 free_netdev(dev);
11943
11944 if (atomic_read(&pdev->enable_cnt) == 1)
11945 pci_release_regions(pdev);
11946
11947 pci_disable_device(pdev);
11948 pci_set_drvdata(pdev, NULL);
11949
11950 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011951}
11952
11953static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11954{
11955 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011956 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011957
Eliezer Tamir228241e2008-02-28 11:56:57 -080011958 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011959 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011960 return;
11961 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011962 bp = netdev_priv(dev);
11963
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011964#ifdef BCM_CNIC
11965 /* Delete storage MAC address */
11966 if (!NO_FCOE(bp)) {
11967 rtnl_lock();
11968 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11969 rtnl_unlock();
11970 }
11971#endif
11972
Shmulik Ravid98507672011-02-28 12:19:55 -080011973#ifdef BCM_DCBNL
11974 /* Delete app tlvs from dcbnl */
11975 bnx2x_dcbnl_update_applist(bp, true);
11976#endif
11977
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011978 unregister_netdev(dev);
11979
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011980 /* Delete all NAPI objects */
11981 bnx2x_del_all_napi(bp);
11982
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011983 /* Power on: we can't let PCI layer write to us while we are in D3 */
11984 bnx2x_set_power_state(bp, PCI_D0);
11985
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011986 /* Disable MSI/MSI-X */
11987 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011988
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011989 /* Power off */
11990 bnx2x_set_power_state(bp, PCI_D3hot);
11991
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011992 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011993 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011994
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011995 if (bp->regview)
11996 iounmap(bp->regview);
11997
11998 if (bp->doorbells)
11999 iounmap(bp->doorbells);
12000
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012001 bnx2x_release_firmware(bp);
12002
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012003 bnx2x_free_mem_bp(bp);
12004
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012005 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012006
12007 if (atomic_read(&pdev->enable_cnt) == 1)
12008 pci_release_regions(pdev);
12009
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012010 pci_disable_device(pdev);
12011 pci_set_drvdata(pdev, NULL);
12012}
12013
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012014static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12015{
12016 int i;
12017
12018 bp->state = BNX2X_STATE_ERROR;
12019
12020 bp->rx_mode = BNX2X_RX_MODE_NONE;
12021
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012022#ifdef BCM_CNIC
12023 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12024#endif
12025 /* Stop Tx */
12026 bnx2x_tx_disable(bp);
12027
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012028 bnx2x_netif_stop(bp, 0);
12029
12030 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012031
12032 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012033
12034 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012035 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012036
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012037 /* Free SKBs, SGEs, TPA pool and driver internals */
12038 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012039
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012040 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012041 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012042
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012043 bnx2x_free_mem(bp);
12044
12045 bp->state = BNX2X_STATE_CLOSED;
12046
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012047 netif_carrier_off(bp->dev);
12048
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012049 return 0;
12050}
12051
12052static void bnx2x_eeh_recover(struct bnx2x *bp)
12053{
12054 u32 val;
12055
12056 mutex_init(&bp->port.phy_mutex);
12057
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012058
12059 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12060 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12061 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12062 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012063}
12064
Wendy Xiong493adb12008-06-23 20:36:22 -070012065/**
12066 * bnx2x_io_error_detected - called when PCI error is detected
12067 * @pdev: Pointer to PCI device
12068 * @state: The current pci connection state
12069 *
12070 * This function is called after a PCI bus error affecting
12071 * this device has been detected.
12072 */
12073static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12074 pci_channel_state_t state)
12075{
12076 struct net_device *dev = pci_get_drvdata(pdev);
12077 struct bnx2x *bp = netdev_priv(dev);
12078
12079 rtnl_lock();
12080
12081 netif_device_detach(dev);
12082
Dean Nelson07ce50e2009-07-31 09:13:25 +000012083 if (state == pci_channel_io_perm_failure) {
12084 rtnl_unlock();
12085 return PCI_ERS_RESULT_DISCONNECT;
12086 }
12087
Wendy Xiong493adb12008-06-23 20:36:22 -070012088 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012089 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012090
12091 pci_disable_device(pdev);
12092
12093 rtnl_unlock();
12094
12095 /* Request a slot reset */
12096 return PCI_ERS_RESULT_NEED_RESET;
12097}
12098
12099/**
12100 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12101 * @pdev: Pointer to PCI device
12102 *
12103 * Restart the card from scratch, as if from a cold-boot.
12104 */
12105static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12106{
12107 struct net_device *dev = pci_get_drvdata(pdev);
12108 struct bnx2x *bp = netdev_priv(dev);
12109
12110 rtnl_lock();
12111
12112 if (pci_enable_device(pdev)) {
12113 dev_err(&pdev->dev,
12114 "Cannot re-enable PCI device after reset\n");
12115 rtnl_unlock();
12116 return PCI_ERS_RESULT_DISCONNECT;
12117 }
12118
12119 pci_set_master(pdev);
12120 pci_restore_state(pdev);
12121
12122 if (netif_running(dev))
12123 bnx2x_set_power_state(bp, PCI_D0);
12124
12125 rtnl_unlock();
12126
12127 return PCI_ERS_RESULT_RECOVERED;
12128}
12129
12130/**
12131 * bnx2x_io_resume - called when traffic can start flowing again
12132 * @pdev: Pointer to PCI device
12133 *
12134 * This callback is called when the error recovery driver tells us that
12135 * its OK to resume normal operation.
12136 */
12137static void bnx2x_io_resume(struct pci_dev *pdev)
12138{
12139 struct net_device *dev = pci_get_drvdata(pdev);
12140 struct bnx2x *bp = netdev_priv(dev);
12141
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012142 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012143 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012144 return;
12145 }
12146
Wendy Xiong493adb12008-06-23 20:36:22 -070012147 rtnl_lock();
12148
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012149 bnx2x_eeh_recover(bp);
12150
Wendy Xiong493adb12008-06-23 20:36:22 -070012151 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012152 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012153
12154 netif_device_attach(dev);
12155
12156 rtnl_unlock();
12157}
12158
12159static struct pci_error_handlers bnx2x_err_handler = {
12160 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012161 .slot_reset = bnx2x_io_slot_reset,
12162 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012163};
12164
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012165static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012166 .name = DRV_MODULE_NAME,
12167 .id_table = bnx2x_pci_tbl,
12168 .probe = bnx2x_init_one,
12169 .remove = __devexit_p(bnx2x_remove_one),
12170 .suspend = bnx2x_suspend,
12171 .resume = bnx2x_resume,
12172 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012173};
12174
12175static int __init bnx2x_init(void)
12176{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012177 int ret;
12178
Joe Perches7995c642010-02-17 15:01:52 +000012179 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012180
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012181 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12182 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012183 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012184 return -ENOMEM;
12185 }
12186
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012187 ret = pci_register_driver(&bnx2x_pci_driver);
12188 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012189 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012190 destroy_workqueue(bnx2x_wq);
12191 }
12192 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012193}
12194
12195static void __exit bnx2x_cleanup(void)
12196{
Yuval Mintz452427b2012-03-26 20:47:07 +000012197 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012198 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012199
12200 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012201
12202 /* Free globablly allocated resources */
12203 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12204 struct bnx2x_prev_path_list *tmp =
12205 list_entry(pos, struct bnx2x_prev_path_list, list);
12206 list_del(pos);
12207 kfree(tmp);
12208 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012209}
12210
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012211void bnx2x_notify_link_changed(struct bnx2x *bp)
12212{
12213 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12214}
12215
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012216module_init(bnx2x_init);
12217module_exit(bnx2x_cleanup);
12218
Michael Chan993ac7b2009-10-10 13:46:56 +000012219#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012220/**
12221 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12222 *
12223 * @bp: driver handle
12224 * @set: set or clear the CAM entry
12225 *
12226 * This function will wait until the ramdord completion returns.
12227 * Return 0 if success, -ENODEV if ramrod doesn't return.
12228 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012229static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012230{
12231 unsigned long ramrod_flags = 0;
12232
12233 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12234 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12235 &bp->iscsi_l2_mac_obj, true,
12236 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12237}
Michael Chan993ac7b2009-10-10 13:46:56 +000012238
12239/* count denotes the number of new completions we have seen */
12240static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12241{
12242 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012243 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012244
12245#ifdef BNX2X_STOP_ON_ERROR
12246 if (unlikely(bp->panic))
12247 return;
12248#endif
12249
12250 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012251 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012252 bp->cnic_spq_pending -= count;
12253
Michael Chan993ac7b2009-10-10 13:46:56 +000012254
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012255 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12256 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12257 & SPE_HDR_CONN_TYPE) >>
12258 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012259 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12260 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012261
12262 /* Set validation for iSCSI L2 client before sending SETUP
12263 * ramrod
12264 */
12265 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012266 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012267 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012268 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012269 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012270 (cxt_index * ILT_PAGE_CIDS);
12271 bnx2x_set_ctx_validation(bp,
12272 &bp->context[cxt_index].
12273 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012274 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012275 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012276 }
12277
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012278 /*
12279 * There may be not more than 8 L2, not more than 8 L5 SPEs
12280 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012281 * COMMON ramrods is not more than the EQ and SPQ can
12282 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012283 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012284 if (type == ETH_CONNECTION_TYPE) {
12285 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012286 break;
12287 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012288 atomic_dec(&bp->cq_spq_left);
12289 } else if (type == NONE_CONNECTION_TYPE) {
12290 if (!atomic_read(&bp->eq_spq_left))
12291 break;
12292 else
12293 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012294 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12295 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012296 if (bp->cnic_spq_pending >=
12297 bp->cnic_eth_dev.max_kwqe_pending)
12298 break;
12299 else
12300 bp->cnic_spq_pending++;
12301 } else {
12302 BNX2X_ERR("Unknown SPE type: %d\n", type);
12303 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012304 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012305 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012306
12307 spe = bnx2x_sp_get_next(bp);
12308 *spe = *bp->cnic_kwq_cons;
12309
Merav Sicron51c1a582012-03-18 10:33:38 +000012310 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012311 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12312
12313 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12314 bp->cnic_kwq_cons = bp->cnic_kwq;
12315 else
12316 bp->cnic_kwq_cons++;
12317 }
12318 bnx2x_sp_prod_update(bp);
12319 spin_unlock_bh(&bp->spq_lock);
12320}
12321
12322static int bnx2x_cnic_sp_queue(struct net_device *dev,
12323 struct kwqe_16 *kwqes[], u32 count)
12324{
12325 struct bnx2x *bp = netdev_priv(dev);
12326 int i;
12327
12328#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012329 if (unlikely(bp->panic)) {
12330 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012331 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012332 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012333#endif
12334
Ariel Elior95c6c6162012-01-26 06:01:52 +000012335 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12336 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012337 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012338 return -EAGAIN;
12339 }
12340
Michael Chan993ac7b2009-10-10 13:46:56 +000012341 spin_lock_bh(&bp->spq_lock);
12342
12343 for (i = 0; i < count; i++) {
12344 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12345
12346 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12347 break;
12348
12349 *bp->cnic_kwq_prod = *spe;
12350
12351 bp->cnic_kwq_pending++;
12352
Merav Sicron51c1a582012-03-18 10:33:38 +000012353 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012354 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012355 spe->data.update_data_addr.hi,
12356 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012357 bp->cnic_kwq_pending);
12358
12359 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12360 bp->cnic_kwq_prod = bp->cnic_kwq;
12361 else
12362 bp->cnic_kwq_prod++;
12363 }
12364
12365 spin_unlock_bh(&bp->spq_lock);
12366
12367 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12368 bnx2x_cnic_sp_post(bp, 0);
12369
12370 return i;
12371}
12372
12373static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12374{
12375 struct cnic_ops *c_ops;
12376 int rc = 0;
12377
12378 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012379 c_ops = rcu_dereference_protected(bp->cnic_ops,
12380 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012381 if (c_ops)
12382 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12383 mutex_unlock(&bp->cnic_mutex);
12384
12385 return rc;
12386}
12387
12388static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12389{
12390 struct cnic_ops *c_ops;
12391 int rc = 0;
12392
12393 rcu_read_lock();
12394 c_ops = rcu_dereference(bp->cnic_ops);
12395 if (c_ops)
12396 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12397 rcu_read_unlock();
12398
12399 return rc;
12400}
12401
12402/*
12403 * for commands that have no data
12404 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012405int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012406{
12407 struct cnic_ctl_info ctl = {0};
12408
12409 ctl.cmd = cmd;
12410
12411 return bnx2x_cnic_ctl_send(bp, &ctl);
12412}
12413
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012414static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012415{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012416 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012417
12418 /* first we tell CNIC and only then we count this as a completion */
12419 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12420 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012421 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012422
12423 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012424 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012425}
12426
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012427
12428/* Called with netif_addr_lock_bh() taken.
12429 * Sets an rx_mode config for an iSCSI ETH client.
12430 * Doesn't block.
12431 * Completion should be checked outside.
12432 */
12433static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12434{
12435 unsigned long accept_flags = 0, ramrod_flags = 0;
12436 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12437 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12438
12439 if (start) {
12440 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12441 * because it's the only way for UIO Queue to accept
12442 * multicasts (in non-promiscuous mode only one Queue per
12443 * function will receive multicast packets (leading in our
12444 * case).
12445 */
12446 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12447 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12448 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12449 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12450
12451 /* Clear STOP_PENDING bit if START is requested */
12452 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12453
12454 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12455 } else
12456 /* Clear START_PENDING bit if STOP is requested */
12457 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12458
12459 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12460 set_bit(sched_state, &bp->sp_state);
12461 else {
12462 __set_bit(RAMROD_RX, &ramrod_flags);
12463 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12464 ramrod_flags);
12465 }
12466}
12467
12468
Michael Chan993ac7b2009-10-10 13:46:56 +000012469static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12470{
12471 struct bnx2x *bp = netdev_priv(dev);
12472 int rc = 0;
12473
12474 switch (ctl->cmd) {
12475 case DRV_CTL_CTXTBL_WR_CMD: {
12476 u32 index = ctl->data.io.offset;
12477 dma_addr_t addr = ctl->data.io.dma_addr;
12478
12479 bnx2x_ilt_wr(bp, index, addr);
12480 break;
12481 }
12482
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012483 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12484 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012485
12486 bnx2x_cnic_sp_post(bp, count);
12487 break;
12488 }
12489
12490 /* rtnl_lock is held. */
12491 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012492 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12493 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012494
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012495 /* Configure the iSCSI classification object */
12496 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12497 cp->iscsi_l2_client_id,
12498 cp->iscsi_l2_cid, BP_FUNC(bp),
12499 bnx2x_sp(bp, mac_rdata),
12500 bnx2x_sp_mapping(bp, mac_rdata),
12501 BNX2X_FILTER_MAC_PENDING,
12502 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12503 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012504
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012505 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012506 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12507 if (rc)
12508 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012509
12510 mmiowb();
12511 barrier();
12512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012513 /* Start accepting on iSCSI L2 ring */
12514
12515 netif_addr_lock_bh(dev);
12516 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12517 netif_addr_unlock_bh(dev);
12518
12519 /* bits to wait on */
12520 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12521 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12522
12523 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12524 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012525
Michael Chan993ac7b2009-10-10 13:46:56 +000012526 break;
12527 }
12528
12529 /* rtnl_lock is held. */
12530 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012531 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012532
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012533 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012534 netif_addr_lock_bh(dev);
12535 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12536 netif_addr_unlock_bh(dev);
12537
12538 /* bits to wait on */
12539 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12540 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12541
12542 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12543 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012544
12545 mmiowb();
12546 barrier();
12547
12548 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012549 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12550 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012551 break;
12552 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012553 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12554 int count = ctl->data.credit.credit_count;
12555
12556 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012557 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012558 smp_mb__after_atomic_inc();
12559 break;
12560 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012561 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012562 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012563
12564 if (CHIP_IS_E3(bp)) {
12565 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012566 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12567 int path = BP_PATH(bp);
12568 int port = BP_PORT(bp);
12569 int i;
12570 u32 scratch_offset;
12571 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012572
Barak Witkowski2e499d32012-06-26 01:31:19 +000012573 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012574 if (ulp_type == CNIC_ULP_ISCSI)
12575 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12576 else if (ulp_type == CNIC_ULP_FCOE)
12577 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12578 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012579
12580 if ((ulp_type != CNIC_ULP_FCOE) ||
12581 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12582 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12583 break;
12584
12585 /* if reached here - should write fcoe capabilities */
12586 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12587 if (!scratch_offset)
12588 break;
12589 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12590 fcoe_features[path][port]);
12591 host_addr = (u32 *) &(ctl->data.register_data.
12592 fcoe_features);
12593 for (i = 0; i < sizeof(struct fcoe_capabilities);
12594 i += 4)
12595 REG_WR(bp, scratch_offset + i,
12596 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012597 }
12598 break;
12599 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012600
Barak Witkowski1d187b32011-12-05 22:41:50 +000012601 case DRV_CTL_ULP_UNREGISTER_CMD: {
12602 int ulp_type = ctl->data.ulp_type;
12603
12604 if (CHIP_IS_E3(bp)) {
12605 int idx = BP_FW_MB_IDX(bp);
12606 u32 cap;
12607
12608 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12609 if (ulp_type == CNIC_ULP_ISCSI)
12610 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12611 else if (ulp_type == CNIC_ULP_FCOE)
12612 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12613 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12614 }
12615 break;
12616 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012617
12618 default:
12619 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12620 rc = -EINVAL;
12621 }
12622
12623 return rc;
12624}
12625
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012626void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012627{
12628 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12629
12630 if (bp->flags & USING_MSIX_FLAG) {
12631 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12632 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12633 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12634 } else {
12635 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12636 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12637 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012638 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012639 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12640 else
12641 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12642
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012643 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12644 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012645 cp->irq_arr[1].status_blk = bp->def_status_blk;
12646 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012647 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012648
12649 cp->num_irq = 2;
12650}
12651
Merav Sicron37ae41a2012-06-19 07:48:27 +000012652void bnx2x_setup_cnic_info(struct bnx2x *bp)
12653{
12654 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12655
12656
12657 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12658 bnx2x_cid_ilt_lines(bp);
12659 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12660 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12661 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12662
12663 if (NO_ISCSI_OOO(bp))
12664 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12665}
12666
Michael Chan993ac7b2009-10-10 13:46:56 +000012667static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12668 void *data)
12669{
12670 struct bnx2x *bp = netdev_priv(dev);
12671 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12672
Merav Sicron51c1a582012-03-18 10:33:38 +000012673 if (ops == NULL) {
12674 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012675 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012676 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012677
Michael Chan993ac7b2009-10-10 13:46:56 +000012678 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12679 if (!bp->cnic_kwq)
12680 return -ENOMEM;
12681
12682 bp->cnic_kwq_cons = bp->cnic_kwq;
12683 bp->cnic_kwq_prod = bp->cnic_kwq;
12684 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12685
12686 bp->cnic_spq_pending = 0;
12687 bp->cnic_kwq_pending = 0;
12688
12689 bp->cnic_data = data;
12690
12691 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012692 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012693 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012694
Michael Chan993ac7b2009-10-10 13:46:56 +000012695 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012696
Michael Chan993ac7b2009-10-10 13:46:56 +000012697 rcu_assign_pointer(bp->cnic_ops, ops);
12698
12699 return 0;
12700}
12701
12702static int bnx2x_unregister_cnic(struct net_device *dev)
12703{
12704 struct bnx2x *bp = netdev_priv(dev);
12705 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12706
12707 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012708 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012709 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012710 mutex_unlock(&bp->cnic_mutex);
12711 synchronize_rcu();
12712 kfree(bp->cnic_kwq);
12713 bp->cnic_kwq = NULL;
12714
12715 return 0;
12716}
12717
12718struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12719{
12720 struct bnx2x *bp = netdev_priv(dev);
12721 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12722
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012723 /* If both iSCSI and FCoE are disabled - return NULL in
12724 * order to indicate CNIC that it should not try to work
12725 * with this device.
12726 */
12727 if (NO_ISCSI(bp) && NO_FCOE(bp))
12728 return NULL;
12729
Michael Chan993ac7b2009-10-10 13:46:56 +000012730 cp->drv_owner = THIS_MODULE;
12731 cp->chip_id = CHIP_ID(bp);
12732 cp->pdev = bp->pdev;
12733 cp->io_base = bp->regview;
12734 cp->io_base2 = bp->doorbells;
12735 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012736 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012737 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12738 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012739 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012740 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012741 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12742 cp->drv_ctl = bnx2x_drv_ctl;
12743 cp->drv_register_cnic = bnx2x_register_cnic;
12744 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012745 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012746 cp->iscsi_l2_client_id =
12747 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012748 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012749
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012750 if (NO_ISCSI_OOO(bp))
12751 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12752
12753 if (NO_ISCSI(bp))
12754 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12755
12756 if (NO_FCOE(bp))
12757 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12758
Merav Sicron51c1a582012-03-18 10:33:38 +000012759 BNX2X_DEV_INFO(
12760 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012761 cp->ctx_blk_size,
12762 cp->ctx_tbl_offset,
12763 cp->ctx_tbl_len,
12764 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012765 return cp;
12766}
12767EXPORT_SYMBOL(bnx2x_cnic_probe);
12768
12769#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012770