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Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2007-2012 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Joe Perchesf1deab52011-08-14 12:16:21 +000018#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020020#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/device.h> /* for dev_info() */
24#include <linux/timer.h>
25#include <linux/errno.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020028#include <linux/interrupt.h>
29#include <linux/pci.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/dma-mapping.h>
35#include <linux/bitops.h>
36#include <linux/irq.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/time.h>
40#include <linux/ethtool.h>
41#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080042#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030044#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000054#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000055#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070056#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058#include "bnx2x.h"
59#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000061#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000062#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000063#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020064
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070065#include <linux/firmware.h>
66#include "bnx2x_fw_file_hdr.h"
67/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000068#define FW_FILE_VERSION \
69 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
70 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
71 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
72 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000073#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
74#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000075#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070076
Barak Witkowski2e499d32012-06-26 01:31:19 +000077#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
78
Eilon Greenstein34f80b02008-06-23 20:33:01 -070079/* Time in jiffies before concluding the transmitter is hung */
80#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020081
Andrew Morton53a10562008-02-09 23:16:41 -080082static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030083 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020084 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
85
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070086MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000087MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030088 "BCM57710/57711/57711E/"
89 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
90 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020091MODULE_LICENSE("GPL");
92MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000093MODULE_FIRMWARE(FW_FILE_NAME_E1);
94MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000095MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020096
Eilon Greensteinca003922009-08-12 22:53:28 -070097
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000098int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000099module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000100MODULE_PARM_DESC(num_queues,
101 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000102
Eilon Greenstein19680c42008-08-13 15:47:33 -0700103static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700104module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000105MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000107#define INT_MODE_INTx 1
108#define INT_MODE_MSI 2
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000109int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000110module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300111MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000112 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000113
Eilon Greensteina18f5122009-08-12 08:23:26 +0000114static int dropless_fc;
115module_param(dropless_fc, int, 0);
116MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
117
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000118static int mrrs = -1;
119module_param(mrrs, int, 0);
120MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
121
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000124MODULE_PARM_DESC(debug, " Default debug msglevel");
125
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200126
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300127
128struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200130enum bnx2x_board_type {
131 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300132 BCM57711,
133 BCM57711E,
134 BCM57712,
135 BCM57712_MF,
136 BCM57800,
137 BCM57800_MF,
138 BCM57810,
139 BCM57810_MF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300140 BCM57840_O,
141 BCM57840_4_10,
142 BCM57840_2_20,
143 BCM57840_MFO,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000144 BCM57840_MF,
145 BCM57811,
146 BCM57811_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200147};
148
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700149/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800150static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200151 char *name;
152} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300153 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
154 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
155 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
156 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
157 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
158 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
159 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
160 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
161 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
162 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
Yuval Mintzc3def942012-07-23 10:25:43 +0300163 { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
164 { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
165 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000166 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
167 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet"},
168 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function"},
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200169};
170
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300171#ifndef PCI_DEVICE_ID_NX2_57710
172#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57711
175#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57711E
178#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57712
181#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57712_MF
184#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57800
187#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57800_MF
190#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57810
193#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57810_MF
196#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
197#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300198#ifndef PCI_DEVICE_ID_NX2_57840_O
199#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57840_4_10
202#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
203#endif
204#ifndef PCI_DEVICE_ID_NX2_57840_2_20
205#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
206#endif
207#ifndef PCI_DEVICE_ID_NX2_57840_MFO
208#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300209#endif
210#ifndef PCI_DEVICE_ID_NX2_57840_MF
211#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
212#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000213#ifndef PCI_DEVICE_ID_NX2_57811
214#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
215#endif
216#ifndef PCI_DEVICE_ID_NX2_57811_MF
217#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
218#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000219static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000220 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
221 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
222 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000223 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300224 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
225 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
226 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
227 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
228 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300229 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
230 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
231 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
232 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300233 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000234 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
235 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200236 { 0 }
237};
238
239MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
240
Yuval Mintz452427b2012-03-26 20:47:07 +0000241/* Global resources for unloading a previously loaded device */
242#define BNX2X_PREV_WAIT_NEEDED 1
243static DEFINE_SEMAPHORE(bnx2x_prev_sem);
244static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200245/****************************************************************************
246* General service functions
247****************************************************************************/
248
Eric Dumazet1191cb82012-04-27 21:39:21 +0000249static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300250 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000251{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300252 REG_WR(bp, addr, U64_LO(mapping));
253 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000254}
255
Eric Dumazet1191cb82012-04-27 21:39:21 +0000256static void storm_memset_spq_addr(struct bnx2x *bp,
257 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300258{
259 u32 addr = XSEM_REG_FAST_MEMORY +
260 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
261
262 __storm_memset_dma_mapping(bp, addr, mapping);
263}
264
Eric Dumazet1191cb82012-04-27 21:39:21 +0000265static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
266 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300267{
268 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
269 pf_id);
270 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
271 pf_id);
272 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
273 pf_id);
274 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
275 pf_id);
276}
277
Eric Dumazet1191cb82012-04-27 21:39:21 +0000278static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
279 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300280{
281 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
282 enable);
283 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
284 enable);
285 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
286 enable);
287 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
288 enable);
289}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000290
Eric Dumazet1191cb82012-04-27 21:39:21 +0000291static void storm_memset_eq_data(struct bnx2x *bp,
292 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000293 u16 pfid)
294{
295 size_t size = sizeof(struct event_ring_data);
296
297 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
298
299 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
300}
301
Eric Dumazet1191cb82012-04-27 21:39:21 +0000302static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
303 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000304{
305 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
306 REG_WR16(bp, addr, eq_prod);
307}
308
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200309/* used only at init
310 * locking is done by mcp
311 */
stephen hemminger8d962862010-10-21 07:50:56 +0000312static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200313{
314 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
315 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
316 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
317 PCICFG_VENDOR_ID_OFFSET);
318}
319
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200320static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
321{
322 u32 val;
323
324 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
325 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
326 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
327 PCICFG_VENDOR_ID_OFFSET);
328
329 return val;
330}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000332#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
333#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
334#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
335#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
336#define DMAE_DP_DST_NONE "dst_addr [none]"
337
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200339/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000340void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200341{
342 u32 cmd_offset;
343 int i;
344
345 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
346 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
347 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200348 }
349 REG_WR(bp, dmae_reg_go_c[idx], 1);
350}
351
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000352u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
353{
354 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
355 DMAE_CMD_C_ENABLE);
356}
357
358u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
359{
360 return opcode & ~DMAE_CMD_SRC_RESET;
361}
362
363u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
364 bool with_comp, u8 comp_type)
365{
366 u32 opcode = 0;
367
368 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
369 (dst_type << DMAE_COMMAND_DST_SHIFT));
370
371 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
372
373 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400374 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
375 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000376 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
377
378#ifdef __BIG_ENDIAN
379 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
380#else
381 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
382#endif
383 if (with_comp)
384 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
385 return opcode;
386}
387
stephen hemminger8d962862010-10-21 07:50:56 +0000388static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
389 struct dmae_command *dmae,
390 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391{
392 memset(dmae, 0, sizeof(struct dmae_command));
393
394 /* set the opcode */
395 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
396 true, DMAE_COMP_PCI);
397
398 /* fill in the completion parameters */
399 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
400 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
401 dmae->comp_val = DMAE_COMP_VAL;
402}
403
404/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000405static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
406 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000407{
408 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000409 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000410 int rc = 0;
411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300412 /*
413 * Lock the dmae channel. Disable BHs to prevent a dead-lock
414 * as long as this code is called both from syscall context and
415 * from ndo_set_rx_mode() flow that may be called from BH.
416 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800417 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000418
419 /* reset completion */
420 *wb_comp = 0;
421
422 /* post the command on the channel used for initializations */
423 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
424
425 /* wait for completion */
426 udelay(5);
427 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000428
Ariel Elior95c6c6162012-01-26 06:01:52 +0000429 if (!cnt ||
430 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
431 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432 BNX2X_ERR("DMAE timeout!\n");
433 rc = DMAE_TIMEOUT;
434 goto unlock;
435 }
436 cnt--;
437 udelay(50);
438 }
439 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
440 BNX2X_ERR("DMAE PCI error!\n");
441 rc = DMAE_PCI_ERROR;
442 }
443
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800445 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000446 return rc;
447}
448
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700449void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
450 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200451{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000452 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700453
454 if (!bp->dmae_ready) {
455 u32 *data = bnx2x_sp(bp, wb_data[0]);
456
Ariel Elior127a4252012-01-26 06:01:46 +0000457 if (CHIP_IS_E1(bp))
458 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
459 else
460 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700461 return;
462 }
463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000464 /* set opcode and fixed command fields */
465 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200466
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000467 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000468 dmae.src_addr_lo = U64_LO(dma_addr);
469 dmae.src_addr_hi = U64_HI(dma_addr);
470 dmae.dst_addr_lo = dst_addr >> 2;
471 dmae.dst_addr_hi = 0;
472 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000474 /* issue the command and wait for completion */
475 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200476}
477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700478void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200479{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000480 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700481
482 if (!bp->dmae_ready) {
483 u32 *data = bnx2x_sp(bp, wb_data[0]);
484 int i;
485
Merav Sicron51c1a582012-03-18 10:33:38 +0000486 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000487 for (i = 0; i < len32; i++)
488 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000489 else
Ariel Elior127a4252012-01-26 06:01:46 +0000490 for (i = 0; i < len32; i++)
491 data[i] = REG_RD(bp, src_addr + i*4);
492
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700493 return;
494 }
495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000496 /* set opcode and fixed command fields */
497 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200498
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000499 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000500 dmae.src_addr_lo = src_addr >> 2;
501 dmae.src_addr_hi = 0;
502 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
503 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
504 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200505
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000506 /* issue the command and wait for completion */
507 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200509
stephen hemminger8d962862010-10-21 07:50:56 +0000510static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
511 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000512{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000513 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000514 int offset = 0;
515
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000516 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000517 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000518 addr + offset, dmae_wr_max);
519 offset += dmae_wr_max * 4;
520 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000521 }
522
523 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
524}
525
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200526static int bnx2x_mc_assert(struct bnx2x *bp)
527{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200528 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700529 int i, rc = 0;
530 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200531
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700532 /* XSTORM */
533 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
534 XSTORM_ASSERT_LIST_INDEX_OFFSET);
535 if (last_idx)
536 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200537
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700538 /* print the asserts */
539 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200540
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700541 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
542 XSTORM_ASSERT_LIST_OFFSET(i));
543 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
544 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
545 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
546 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
547 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
548 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200549
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700550 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000551 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700552 i, row3, row2, row1, row0);
553 rc++;
554 } else {
555 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200556 }
557 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700558
559 /* TSTORM */
560 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
561 TSTORM_ASSERT_LIST_INDEX_OFFSET);
562 if (last_idx)
563 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
564
565 /* print the asserts */
566 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
567
568 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
569 TSTORM_ASSERT_LIST_OFFSET(i));
570 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
571 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
572 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
573 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
574 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
575 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
576
577 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000578 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700579 i, row3, row2, row1, row0);
580 rc++;
581 } else {
582 break;
583 }
584 }
585
586 /* CSTORM */
587 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
588 CSTORM_ASSERT_LIST_INDEX_OFFSET);
589 if (last_idx)
590 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
591
592 /* print the asserts */
593 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
594
595 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
596 CSTORM_ASSERT_LIST_OFFSET(i));
597 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
598 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
599 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
600 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
601 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
602 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
603
604 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000605 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700606 i, row3, row2, row1, row0);
607 rc++;
608 } else {
609 break;
610 }
611 }
612
613 /* USTORM */
614 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
615 USTORM_ASSERT_LIST_INDEX_OFFSET);
616 if (last_idx)
617 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
618
619 /* print the asserts */
620 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
621
622 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
623 USTORM_ASSERT_LIST_OFFSET(i));
624 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
625 USTORM_ASSERT_LIST_OFFSET(i) + 4);
626 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
627 USTORM_ASSERT_LIST_OFFSET(i) + 8);
628 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
629 USTORM_ASSERT_LIST_OFFSET(i) + 12);
630
631 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000632 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700633 i, row3, row2, row1, row0);
634 rc++;
635 } else {
636 break;
637 }
638 }
639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640 return rc;
641}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800642
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000643void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200644{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000645 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000647 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000649 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000650 if (BP_NOMCP(bp)) {
651 BNX2X_ERR("NO MCP - can not dump\n");
652 return;
653 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000654 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
655 (bp->common.bc_ver & 0xff0000) >> 16,
656 (bp->common.bc_ver & 0xff00) >> 8,
657 (bp->common.bc_ver & 0xff));
658
659 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
660 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000661 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000663 if (BP_PATH(bp) == 0)
664 trace_shmem_base = bp->common.shmem_base;
665 else
666 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000667 addr = trace_shmem_base - 0x800;
668
669 /* validate TRCB signature */
670 mark = REG_RD(bp, addr);
671 if (mark != MFW_TRACE_SIGNATURE) {
672 BNX2X_ERR("Trace buffer signature is missing.");
673 return ;
674 }
675
676 /* read cyclic buffer pointer */
677 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000678 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
680 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000681 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200682
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000683 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000684 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200685 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000686 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200687 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000688 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200689 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000690 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200691 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000692 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200693 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000694 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200695 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000696 printk("%s" "end of fw dump\n", lvl);
697}
698
Eric Dumazet1191cb82012-04-27 21:39:21 +0000699static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000700{
701 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200702}
703
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000704void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200705{
706 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000707 u16 j;
708 struct hc_sp_status_block_data sp_sb_data;
709 int func = BP_FUNC(bp);
710#ifdef BNX2X_STOP_ON_ERROR
711 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000712 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000713#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200714
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700715 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000716 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700717 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200719 BNX2X_ERR("begin crash dump -----------------\n");
720
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000721 /* Indices */
722 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000723 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x) spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300724 bp->def_idx, bp->def_att_idx, bp->attn_state,
725 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000726 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
727 bp->def_status_blk->atten_status_block.attn_bits,
728 bp->def_status_blk->atten_status_block.attn_bits_ack,
729 bp->def_status_blk->atten_status_block.status_block_id,
730 bp->def_status_blk->atten_status_block.attn_bits_index);
731 BNX2X_ERR(" def (");
732 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
733 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000734 bp->def_status_blk->sp_sb.index_values[i],
735 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000736
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000737 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
738 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
739 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
740 i*sizeof(u32));
741
Joe Perchesf1deab52011-08-14 12:16:21 +0000742 pr_cont("igu_sb_id(0x%x) igu_seg_id(0x%x) pf_id(0x%x) vnic_id(0x%x) vf_id(0x%x) vf_valid (0x%x) state(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000743 sp_sb_data.igu_sb_id,
744 sp_sb_data.igu_seg_id,
745 sp_sb_data.p_func.pf_id,
746 sp_sb_data.p_func.vnic_id,
747 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300748 sp_sb_data.p_func.vf_valid,
749 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000750
751
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000752 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000753 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000754 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000755 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000756 struct hc_status_block_data_e1x sb_data_e1x;
757 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300758 CHIP_IS_E1x(bp) ?
759 sb_data_e1x.common.state_machine :
760 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000761 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300762 CHIP_IS_E1x(bp) ?
763 sb_data_e1x.index_data :
764 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000765 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000766 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000767 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000768
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000769 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000770 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x) rx_comp_prod(0x%x) rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000771 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000772 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000773 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000774 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x) fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000775 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000776 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000777
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000779 for_each_cos_in_tx_queue(fp, cos)
780 {
Merav Sicron65565882012-06-19 07:48:26 +0000781 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000782 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x) tx_bd_prod(0x%x) tx_bd_cons(0x%x) *tx_cons_sb(0x%x)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000783 i, txdata.tx_pkt_prod,
784 txdata.tx_pkt_cons, txdata.tx_bd_prod,
785 txdata.tx_bd_cons,
786 le16_to_cpu(*txdata.tx_cons_sb));
787 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000788
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300789 loop = CHIP_IS_E1x(bp) ?
790 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000791
792 /* host sb data */
793
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000794#ifdef BCM_CNIC
795 if (IS_FCOE_FP(fp))
796 continue;
797#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000798 BNX2X_ERR(" run indexes (");
799 for (j = 0; j < HC_SB_MAX_SM; j++)
800 pr_cont("0x%x%s",
801 fp->sb_running_index[j],
802 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
803
804 BNX2X_ERR(" indexes (");
805 for (j = 0; j < loop; j++)
806 pr_cont("0x%x%s",
807 fp->sb_index_values[j],
808 (j == loop - 1) ? ")" : " ");
809 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300810 data_size = CHIP_IS_E1x(bp) ?
811 sizeof(struct hc_status_block_data_e1x) :
812 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000813 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300814 sb_data_p = CHIP_IS_E1x(bp) ?
815 (u32 *)&sb_data_e1x :
816 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000817 /* copy sb data in here */
818 for (j = 0; j < data_size; j++)
819 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
820 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
821 j * sizeof(u32));
822
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300823 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000824 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000825 sb_data_e2.common.p_func.pf_id,
826 sb_data_e2.common.p_func.vf_id,
827 sb_data_e2.common.p_func.vf_valid,
828 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300829 sb_data_e2.common.same_igu_sb_1b,
830 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000831 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000832 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000833 sb_data_e1x.common.p_func.pf_id,
834 sb_data_e1x.common.p_func.vf_id,
835 sb_data_e1x.common.p_func.vf_valid,
836 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300837 sb_data_e1x.common.same_igu_sb_1b,
838 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000839 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000840
841 /* SB_SMs data */
842 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000843 pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x) igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
844 j, hc_sm_p[j].__flags,
845 hc_sm_p[j].igu_sb_id,
846 hc_sm_p[j].igu_seg_id,
847 hc_sm_p[j].time_to_expire,
848 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000849 }
850
851 /* Indecies data */
852 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000853 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000854 hc_index_p[j].flags,
855 hc_index_p[j].timeout);
856 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000857 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200858
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000859#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000860 /* Rings */
861 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000862 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000863 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
865 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
866 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000867 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
869 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
870
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000871 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000872 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 }
874
Eilon Greenstein3196a882008-08-13 15:58:49 -0700875 start = RX_SGE(fp->rx_sge_prod);
876 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000877 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700878 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
879 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
880
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000881 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
882 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700883 }
884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200885 start = RCQ_BD(fp->rx_comp_cons - 10);
886 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000887 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
889
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000890 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
891 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200892 }
893 }
894
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000895 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000896 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000897 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000898 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +0000899 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000900
Ariel Elior6383c0b2011-07-14 08:31:57 +0000901 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
902 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
903 for (j = start; j != end; j = TX_BD(j + 1)) {
904 struct sw_tx_bd *sw_bd =
905 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000906
Merav Sicron51c1a582012-03-18 10:33:38 +0000907 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000908 i, cos, j, sw_bd->skb,
909 sw_bd->first_bd);
910 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000911
Ariel Elior6383c0b2011-07-14 08:31:57 +0000912 start = TX_BD(txdata->tx_bd_cons - 10);
913 end = TX_BD(txdata->tx_bd_cons + 254);
914 for (j = start; j != end; j = TX_BD(j + 1)) {
915 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000916
Merav Sicron51c1a582012-03-18 10:33:38 +0000917 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000918 i, cos, j, tx_bd[0], tx_bd[1],
919 tx_bd[2], tx_bd[3]);
920 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000921 }
922 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000923#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700924 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200925 bnx2x_mc_assert(bp);
926 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200927}
928
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300929/*
930 * FLR Support for E2
931 *
932 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
933 * initialization.
934 */
935#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000936#define FLR_WAIT_INTERVAL 50 /* usec */
937#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300938
939struct pbf_pN_buf_regs {
940 int pN;
941 u32 init_crd;
942 u32 crd;
943 u32 crd_freed;
944};
945
946struct pbf_pN_cmd_regs {
947 int pN;
948 u32 lines_occup;
949 u32 lines_freed;
950};
951
952static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
953 struct pbf_pN_buf_regs *regs,
954 u32 poll_count)
955{
956 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
957 u32 cur_cnt = poll_count;
958
959 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
960 crd = crd_start = REG_RD(bp, regs->crd);
961 init_crd = REG_RD(bp, regs->init_crd);
962
963 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
964 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
965 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
966
967 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
968 (init_crd - crd_start))) {
969 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000970 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300971 crd = REG_RD(bp, regs->crd);
972 crd_freed = REG_RD(bp, regs->crd_freed);
973 } else {
974 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
975 regs->pN);
976 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
977 regs->pN, crd);
978 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
979 regs->pN, crd_freed);
980 break;
981 }
982 }
983 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000984 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300985}
986
987static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
988 struct pbf_pN_cmd_regs *regs,
989 u32 poll_count)
990{
991 u32 occup, to_free, freed, freed_start;
992 u32 cur_cnt = poll_count;
993
994 occup = to_free = REG_RD(bp, regs->lines_occup);
995 freed = freed_start = REG_RD(bp, regs->lines_freed);
996
997 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
998 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
999
1000 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1001 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001002 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001003 occup = REG_RD(bp, regs->lines_occup);
1004 freed = REG_RD(bp, regs->lines_freed);
1005 } else {
1006 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1007 regs->pN);
1008 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1009 regs->pN, occup);
1010 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1011 regs->pN, freed);
1012 break;
1013 }
1014 }
1015 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001016 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001017}
1018
Eric Dumazet1191cb82012-04-27 21:39:21 +00001019static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1020 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001021{
1022 u32 cur_cnt = poll_count;
1023 u32 val;
1024
1025 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001026 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001027
1028 return val;
1029}
1030
Eric Dumazet1191cb82012-04-27 21:39:21 +00001031static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1032 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001033{
1034 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1035 if (val != 0) {
1036 BNX2X_ERR("%s usage count=%d\n", msg, val);
1037 return 1;
1038 }
1039 return 0;
1040}
1041
1042static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1043{
1044 /* adjust polling timeout */
1045 if (CHIP_REV_IS_EMUL(bp))
1046 return FLR_POLL_CNT * 2000;
1047
1048 if (CHIP_REV_IS_FPGA(bp))
1049 return FLR_POLL_CNT * 120;
1050
1051 return FLR_POLL_CNT;
1052}
1053
1054static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1055{
1056 struct pbf_pN_cmd_regs cmd_regs[] = {
1057 {0, (CHIP_IS_E3B0(bp)) ?
1058 PBF_REG_TQ_OCCUPANCY_Q0 :
1059 PBF_REG_P0_TQ_OCCUPANCY,
1060 (CHIP_IS_E3B0(bp)) ?
1061 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1062 PBF_REG_P0_TQ_LINES_FREED_CNT},
1063 {1, (CHIP_IS_E3B0(bp)) ?
1064 PBF_REG_TQ_OCCUPANCY_Q1 :
1065 PBF_REG_P1_TQ_OCCUPANCY,
1066 (CHIP_IS_E3B0(bp)) ?
1067 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1068 PBF_REG_P1_TQ_LINES_FREED_CNT},
1069 {4, (CHIP_IS_E3B0(bp)) ?
1070 PBF_REG_TQ_OCCUPANCY_LB_Q :
1071 PBF_REG_P4_TQ_OCCUPANCY,
1072 (CHIP_IS_E3B0(bp)) ?
1073 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1074 PBF_REG_P4_TQ_LINES_FREED_CNT}
1075 };
1076
1077 struct pbf_pN_buf_regs buf_regs[] = {
1078 {0, (CHIP_IS_E3B0(bp)) ?
1079 PBF_REG_INIT_CRD_Q0 :
1080 PBF_REG_P0_INIT_CRD ,
1081 (CHIP_IS_E3B0(bp)) ?
1082 PBF_REG_CREDIT_Q0 :
1083 PBF_REG_P0_CREDIT,
1084 (CHIP_IS_E3B0(bp)) ?
1085 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1086 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1087 {1, (CHIP_IS_E3B0(bp)) ?
1088 PBF_REG_INIT_CRD_Q1 :
1089 PBF_REG_P1_INIT_CRD,
1090 (CHIP_IS_E3B0(bp)) ?
1091 PBF_REG_CREDIT_Q1 :
1092 PBF_REG_P1_CREDIT,
1093 (CHIP_IS_E3B0(bp)) ?
1094 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1095 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1096 {4, (CHIP_IS_E3B0(bp)) ?
1097 PBF_REG_INIT_CRD_LB_Q :
1098 PBF_REG_P4_INIT_CRD,
1099 (CHIP_IS_E3B0(bp)) ?
1100 PBF_REG_CREDIT_LB_Q :
1101 PBF_REG_P4_CREDIT,
1102 (CHIP_IS_E3B0(bp)) ?
1103 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1104 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1105 };
1106
1107 int i;
1108
1109 /* Verify the command queues are flushed P0, P1, P4 */
1110 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1111 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1112
1113
1114 /* Verify the transmission buffers are flushed P0, P1, P4 */
1115 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1116 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1117}
1118
1119#define OP_GEN_PARAM(param) \
1120 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1121
1122#define OP_GEN_TYPE(type) \
1123 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1124
1125#define OP_GEN_AGG_VECT(index) \
1126 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1127
1128
Eric Dumazet1191cb82012-04-27 21:39:21 +00001129static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001130 u32 poll_cnt)
1131{
1132 struct sdm_op_gen op_gen = {0};
1133
1134 u32 comp_addr = BAR_CSTRORM_INTMEM +
1135 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1136 int ret = 0;
1137
1138 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001139 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001140 return 1;
1141 }
1142
1143 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1144 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1145 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1146 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1147
Ariel Elior89db4ad2012-01-26 06:01:48 +00001148 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001149 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1150
1151 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1152 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001153 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1154 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001155 ret = 1;
1156 }
1157 /* Zero completion for nxt FLR */
1158 REG_WR(bp, comp_addr, 0);
1159
1160 return ret;
1161}
1162
Eric Dumazet1191cb82012-04-27 21:39:21 +00001163static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001164{
1165 int pos;
1166 u16 status;
1167
Jon Mason77c98e62011-06-27 07:45:12 +00001168 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001169 if (!pos)
1170 return false;
1171
1172 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1173 return status & PCI_EXP_DEVSTA_TRPND;
1174}
1175
1176/* PF FLR specific routines
1177*/
1178static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1179{
1180
1181 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1182 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1183 CFC_REG_NUM_LCIDS_INSIDE_PF,
1184 "CFC PF usage counter timed out",
1185 poll_cnt))
1186 return 1;
1187
1188
1189 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1190 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1191 DORQ_REG_PF_USAGE_CNT,
1192 "DQ PF usage counter timed out",
1193 poll_cnt))
1194 return 1;
1195
1196 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1197 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1198 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1199 "QM PF usage counter timed out",
1200 poll_cnt))
1201 return 1;
1202
1203 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1204 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1205 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1206 "Timers VNIC usage counter timed out",
1207 poll_cnt))
1208 return 1;
1209 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1210 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1211 "Timers NUM_SCANS usage counter timed out",
1212 poll_cnt))
1213 return 1;
1214
1215 /* Wait DMAE PF usage counter to zero */
1216 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1217 dmae_reg_go_c[INIT_DMAE_C(bp)],
1218 "DMAE dommand register timed out",
1219 poll_cnt))
1220 return 1;
1221
1222 return 0;
1223}
1224
1225static void bnx2x_hw_enable_status(struct bnx2x *bp)
1226{
1227 u32 val;
1228
1229 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1230 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1231
1232 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1233 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1234
1235 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1236 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1237
1238 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1239 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1240
1241 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1242 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1243
1244 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1245 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1246
1247 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1248 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1249
1250 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1251 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1252 val);
1253}
1254
1255static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1256{
1257 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1258
1259 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1260
1261 /* Re-enable PF target read access */
1262 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1263
1264 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001265 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001266 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1267 return -EBUSY;
1268
1269 /* Zero the igu 'trailing edge' and 'leading edge' */
1270
1271 /* Send the FW cleanup command */
1272 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1273 return -EBUSY;
1274
1275 /* ATC cleanup */
1276
1277 /* Verify TX hw is flushed */
1278 bnx2x_tx_hw_flushed(bp, poll_cnt);
1279
1280 /* Wait 100ms (not adjusted according to platform) */
1281 msleep(100);
1282
1283 /* Verify no pending pci transactions */
1284 if (bnx2x_is_pcie_pending(bp->pdev))
1285 BNX2X_ERR("PCIE Transactions still pending\n");
1286
1287 /* Debug */
1288 bnx2x_hw_enable_status(bp);
1289
1290 /*
1291 * Master enable - Due to WB DMAE writes performed before this
1292 * register is re-initialized as part of the regular function init
1293 */
1294 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1295
1296 return 0;
1297}
1298
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001299static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001300{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001301 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1303 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001304 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1305 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1306 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001307
1308 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001309 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1310 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001311 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1312 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001313 if (single_msix)
1314 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001315 } else if (msi) {
1316 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1317 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1318 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1319 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001320 } else {
1321 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001322 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001323 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1324 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001325
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001326 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001327 DP(NETIF_MSG_IFUP,
1328 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001329
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001330 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001331
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001332 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1333 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001334 }
1335
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001336 if (CHIP_IS_E1(bp))
1337 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1338
Merav Sicron51c1a582012-03-18 10:33:38 +00001339 DP(NETIF_MSG_IFUP,
1340 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1341 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001342
1343 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001344 /*
1345 * Ensure that HC_CONFIG is written before leading/trailing edge config
1346 */
1347 mmiowb();
1348 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001349
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001350 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001351 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001352 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001353 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001354 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001355 /* enable nig and gpio3 attention */
1356 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001357 } else
1358 val = 0xffff;
1359
1360 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1361 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1362 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001363
1364 /* Make sure that interrupts are indeed enabled from here on */
1365 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001366}
1367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001368static void bnx2x_igu_int_enable(struct bnx2x *bp)
1369{
1370 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001371 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1372 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1373 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001374
1375 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1376
1377 if (msix) {
1378 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1379 IGU_PF_CONF_SINGLE_ISR_EN);
1380 val |= (IGU_PF_CONF_FUNC_EN |
1381 IGU_PF_CONF_MSI_MSIX_EN |
1382 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001383
1384 if (single_msix)
1385 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001386 } else if (msi) {
1387 val &= ~IGU_PF_CONF_INT_LINE_EN;
1388 val |= (IGU_PF_CONF_FUNC_EN |
1389 IGU_PF_CONF_MSI_MSIX_EN |
1390 IGU_PF_CONF_ATTN_BIT_EN |
1391 IGU_PF_CONF_SINGLE_ISR_EN);
1392 } else {
1393 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1394 val |= (IGU_PF_CONF_FUNC_EN |
1395 IGU_PF_CONF_INT_LINE_EN |
1396 IGU_PF_CONF_ATTN_BIT_EN |
1397 IGU_PF_CONF_SINGLE_ISR_EN);
1398 }
1399
Merav Sicron51c1a582012-03-18 10:33:38 +00001400 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001401 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1402
1403 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1404
Yuval Mintz79a85572012-04-03 18:41:25 +00001405 if (val & IGU_PF_CONF_INT_LINE_EN)
1406 pci_intx(bp->pdev, true);
1407
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001408 barrier();
1409
1410 /* init leading/trailing edge */
1411 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001412 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001413 if (bp->port.pmf)
1414 /* enable nig and gpio3 attention */
1415 val |= 0x1100;
1416 } else
1417 val = 0xffff;
1418
1419 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1420 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1421
1422 /* Make sure that interrupts are indeed enabled from here on */
1423 mmiowb();
1424}
1425
1426void bnx2x_int_enable(struct bnx2x *bp)
1427{
1428 if (bp->common.int_block == INT_BLOCK_HC)
1429 bnx2x_hc_int_enable(bp);
1430 else
1431 bnx2x_igu_int_enable(bp);
1432}
1433
1434static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001435{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001436 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1438 u32 val = REG_RD(bp, addr);
1439
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001440 /*
1441 * in E1 we must use only PCI configuration space to disable
1442 * MSI/MSIX capablility
1443 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1444 */
1445 if (CHIP_IS_E1(bp)) {
1446 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1447 * Use mask register to prevent from HC sending interrupts
1448 * after we exit the function
1449 */
1450 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1451
1452 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1453 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1454 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1455 } else
1456 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1457 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1458 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1459 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Merav Sicron51c1a582012-03-18 10:33:38 +00001461 DP(NETIF_MSG_IFDOWN,
1462 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463 val, port, addr);
1464
Eilon Greenstein8badd272009-02-12 08:36:15 +00001465 /* flush all outstanding writes */
1466 mmiowb();
1467
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001468 REG_WR(bp, addr, val);
1469 if (REG_RD(bp, addr) != val)
1470 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1471}
1472
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001473static void bnx2x_igu_int_disable(struct bnx2x *bp)
1474{
1475 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1476
1477 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1478 IGU_PF_CONF_INT_LINE_EN |
1479 IGU_PF_CONF_ATTN_BIT_EN);
1480
Merav Sicron51c1a582012-03-18 10:33:38 +00001481 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001482
1483 /* flush all outstanding writes */
1484 mmiowb();
1485
1486 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1487 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1488 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1489}
1490
Ariel Elior6383c0b2011-07-14 08:31:57 +00001491void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001492{
1493 if (bp->common.int_block == INT_BLOCK_HC)
1494 bnx2x_hc_int_disable(bp);
1495 else
1496 bnx2x_igu_int_disable(bp);
1497}
1498
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001499void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001500{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001501 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001502 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001503
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001504 if (disable_hw)
1505 /* prevent the HW from sending interrupts */
1506 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507
1508 /* make sure all ISRs are done */
1509 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001510 synchronize_irq(bp->msix_table[0].vector);
1511 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001512#ifdef BCM_CNIC
1513 offset++;
1514#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001515 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001516 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001517 } else
1518 synchronize_irq(bp->pdev->irq);
1519
1520 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001521 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001522 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001523 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001524}
1525
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001526/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001527
1528/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001529 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001530 */
1531
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001532/* Return true if succeeded to acquire the lock */
1533static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1534{
1535 u32 lock_status;
1536 u32 resource_bit = (1 << resource);
1537 int func = BP_FUNC(bp);
1538 u32 hw_lock_control_reg;
1539
Merav Sicron51c1a582012-03-18 10:33:38 +00001540 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1541 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001542
1543 /* Validating that the resource is within range */
1544 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001545 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001546 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1547 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001548 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001549 }
1550
1551 if (func <= 5)
1552 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1553 else
1554 hw_lock_control_reg =
1555 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1556
1557 /* Try to acquire the lock */
1558 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1559 lock_status = REG_RD(bp, hw_lock_control_reg);
1560 if (lock_status & resource_bit)
1561 return true;
1562
Merav Sicron51c1a582012-03-18 10:33:38 +00001563 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1564 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001565 return false;
1566}
1567
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001568/**
1569 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1570 *
1571 * @bp: driver handle
1572 *
1573 * Returns the recovery leader resource id according to the engine this function
1574 * belongs to. Currently only only 2 engines is supported.
1575 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001576static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001577{
1578 if (BP_PATH(bp))
1579 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1580 else
1581 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1582}
1583
1584/**
1585 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1586 *
1587 * @bp: driver handle
1588 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001589 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001590 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001591static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001592{
1593 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1594}
1595
Michael Chan993ac7b2009-10-10 13:46:56 +00001596#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001597static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001598#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001599
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001600void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001601{
1602 struct bnx2x *bp = fp->bp;
1603 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1604 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001605 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001606 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001607
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001608 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001609 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001610 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001611 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001612
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001613 switch (command) {
1614 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001615 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001616 drv_cmd = BNX2X_Q_CMD_UPDATE;
1617 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001618
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001619 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001620 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001621 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001622 break;
1623
Ariel Elior6383c0b2011-07-14 08:31:57 +00001624 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001625 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001626 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1627 break;
1628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001629 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001630 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001631 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001632 break;
1633
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001634 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001635 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001636 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1637 break;
1638
1639 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001640 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001641 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001642 break;
1643
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001644 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001645 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1646 command, fp->index);
1647 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001648 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001650 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1651 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1652 /* q_obj->complete_cmd() failure means that this was
1653 * an unexpected completion.
1654 *
1655 * In this case we don't want to increase the bp->spq_left
1656 * because apparently we haven't sent this command the first
1657 * place.
1658 */
1659#ifdef BNX2X_STOP_ON_ERROR
1660 bnx2x_panic();
1661#else
1662 return;
1663#endif
1664
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001665 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001666 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001667 /* push the change in bp->spq_left and towards the memory */
1668 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001669
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001670 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1671
Barak Witkowskia3348722012-04-23 03:04:46 +00001672 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1673 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1674 /* if Q update ramrod is completed for last Q in AFEX vif set
1675 * flow, then ACK MCP at the end
1676 *
1677 * mark pending ACK to MCP bit.
1678 * prevent case that both bits are cleared.
1679 * At the end of load/unload driver checks that
1680 * sp_state is cleaerd, and this order prevents
1681 * races
1682 */
1683 smp_mb__before_clear_bit();
1684 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1685 wmb();
1686 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1687 smp_mb__after_clear_bit();
1688
1689 /* schedule workqueue to send ack to MCP */
1690 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1691 }
1692
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001693 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694}
1695
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001696void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1697 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1698{
1699 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1700
1701 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1702 start);
1703}
1704
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001705irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001706{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001707 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001708 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001709 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001710 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001711 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001712
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001713 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001714 if (unlikely(status == 0)) {
1715 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1716 return IRQ_NONE;
1717 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001718 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001719
Eilon Greenstein3196a882008-08-13 15:58:49 -07001720#ifdef BNX2X_STOP_ON_ERROR
1721 if (unlikely(bp->panic))
1722 return IRQ_HANDLED;
1723#endif
1724
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001725 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001726 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001727
Ariel Elior6383c0b2011-07-14 08:31:57 +00001728 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001729 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001730 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001731 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001732 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001733 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001734 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001735 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001736 status &= ~mask;
1737 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001738 }
1739
Michael Chan993ac7b2009-10-10 13:46:56 +00001740#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001741 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001742 if (status & (mask | 0x1)) {
1743 struct cnic_ops *c_ops = NULL;
1744
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001745 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1746 rcu_read_lock();
1747 c_ops = rcu_dereference(bp->cnic_ops);
1748 if (c_ops)
1749 c_ops->cnic_handler(bp->cnic_data, NULL);
1750 rcu_read_unlock();
1751 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001752
1753 status &= ~mask;
1754 }
1755#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001756
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001757 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001758 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001759
1760 status &= ~0x1;
1761 if (!status)
1762 return IRQ_HANDLED;
1763 }
1764
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001765 if (unlikely(status))
1766 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001767 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001768
1769 return IRQ_HANDLED;
1770}
1771
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001772/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001773
1774/*
1775 * General service functions
1776 */
1777
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001778int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001779{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001780 u32 lock_status;
1781 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001782 int func = BP_FUNC(bp);
1783 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001785
1786 /* Validating that the resource is within range */
1787 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001788 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1790 return -EINVAL;
1791 }
1792
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001793 if (func <= 5) {
1794 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1795 } else {
1796 hw_lock_control_reg =
1797 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1798 }
1799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001801 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001802 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001803 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001804 lock_status, resource_bit);
1805 return -EEXIST;
1806 }
1807
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001808 /* Try for 5 second every 5ms */
1809 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001810 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001811 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1812 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001813 if (lock_status & resource_bit)
1814 return 0;
1815
1816 msleep(5);
1817 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001818 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001819 return -EAGAIN;
1820}
1821
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001822int bnx2x_release_leader_lock(struct bnx2x *bp)
1823{
1824 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1825}
1826
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001827int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828{
1829 u32 lock_status;
1830 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001831 int func = BP_FUNC(bp);
1832 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001833
1834 /* Validating that the resource is within range */
1835 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001836 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001837 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1838 return -EINVAL;
1839 }
1840
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001841 if (func <= 5) {
1842 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1843 } else {
1844 hw_lock_control_reg =
1845 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1846 }
1847
Eliezer Tamirf1410642008-02-28 11:51:50 -08001848 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001849 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001850 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001851 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. unlock was called but lock wasn't taken!\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001852 lock_status, resource_bit);
1853 return -EFAULT;
1854 }
1855
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857 return 0;
1858}
1859
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001860
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001861int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1862{
1863 /* The GPIO should be swapped if swap register is set and active */
1864 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1865 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1866 int gpio_shift = gpio_num +
1867 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1868 u32 gpio_mask = (1 << gpio_shift);
1869 u32 gpio_reg;
1870 int value;
1871
1872 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1873 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1874 return -EINVAL;
1875 }
1876
1877 /* read GPIO value */
1878 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1879
1880 /* get the requested pin value */
1881 if ((gpio_reg & gpio_mask) == gpio_mask)
1882 value = 1;
1883 else
1884 value = 0;
1885
1886 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1887
1888 return value;
1889}
1890
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001891int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001892{
1893 /* The GPIO should be swapped if swap register is set and active */
1894 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001895 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 int gpio_shift = gpio_num +
1897 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1898 u32 gpio_mask = (1 << gpio_shift);
1899 u32 gpio_reg;
1900
1901 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1902 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1903 return -EINVAL;
1904 }
1905
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001906 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 /* read GPIO and mask except the float bits */
1908 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1909
1910 switch (mode) {
1911 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001912 DP(NETIF_MSG_LINK,
1913 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001914 gpio_num, gpio_shift);
1915 /* clear FLOAT and set CLR */
1916 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1917 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1918 break;
1919
1920 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001921 DP(NETIF_MSG_LINK,
1922 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001923 gpio_num, gpio_shift);
1924 /* clear FLOAT and set SET */
1925 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1926 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1927 break;
1928
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001929 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001930 DP(NETIF_MSG_LINK,
1931 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001932 gpio_num, gpio_shift);
1933 /* set FLOAT */
1934 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1935 break;
1936
1937 default:
1938 break;
1939 }
1940
1941 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001942 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001943
1944 return 0;
1945}
1946
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001947int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1948{
1949 u32 gpio_reg = 0;
1950 int rc = 0;
1951
1952 /* Any port swapping should be handled by caller. */
1953
1954 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1955 /* read GPIO and mask except the float bits */
1956 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1957 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1958 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1959 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1960
1961 switch (mode) {
1962 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1963 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1964 /* set CLR */
1965 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1966 break;
1967
1968 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1969 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1970 /* set SET */
1971 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1972 break;
1973
1974 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1975 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1976 /* set FLOAT */
1977 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1978 break;
1979
1980 default:
1981 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1982 rc = -EINVAL;
1983 break;
1984 }
1985
1986 if (rc == 0)
1987 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1988
1989 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1990
1991 return rc;
1992}
1993
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001994int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1995{
1996 /* The GPIO should be swapped if swap register is set and active */
1997 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1998 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1999 int gpio_shift = gpio_num +
2000 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2001 u32 gpio_mask = (1 << gpio_shift);
2002 u32 gpio_reg;
2003
2004 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2005 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2006 return -EINVAL;
2007 }
2008
2009 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2010 /* read GPIO int */
2011 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2012
2013 switch (mode) {
2014 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002015 DP(NETIF_MSG_LINK,
2016 "Clear GPIO INT %d (shift %d) -> output low\n",
2017 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002018 /* clear SET and set CLR */
2019 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2020 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2021 break;
2022
2023 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002024 DP(NETIF_MSG_LINK,
2025 "Set GPIO INT %d (shift %d) -> output high\n",
2026 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002027 /* clear CLR and set SET */
2028 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2029 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2030 break;
2031
2032 default:
2033 break;
2034 }
2035
2036 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2037 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2038
2039 return 0;
2040}
2041
Eliezer Tamirf1410642008-02-28 11:51:50 -08002042static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2043{
2044 u32 spio_mask = (1 << spio_num);
2045 u32 spio_reg;
2046
2047 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2048 (spio_num > MISC_REGISTERS_SPIO_7)) {
2049 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2050 return -EINVAL;
2051 }
2052
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002053 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002054 /* read SPIO and mask except the float bits */
2055 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2056
2057 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002058 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002059 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002060 /* clear FLOAT and set CLR */
2061 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2062 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2063 break;
2064
Eilon Greenstein6378c022008-08-13 15:59:25 -07002065 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002066 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002067 /* clear FLOAT and set SET */
2068 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2069 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2070 break;
2071
2072 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002073 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002074 /* set FLOAT */
2075 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2076 break;
2077
2078 default:
2079 break;
2080 }
2081
2082 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002083 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002084
2085 return 0;
2086}
2087
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002088void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002089{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002090 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002091 switch (bp->link_vars.ieee_fc &
2092 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002093 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002094 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002095 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002096 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002097
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002098 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002099 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002100 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002101 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002102
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002103 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002104 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002105 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002106
Eliezer Tamirf1410642008-02-28 11:51:50 -08002107 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002108 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002109 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002110 break;
2111 }
2112}
2113
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002114u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002115{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002116 if (!BP_NOMCP(bp)) {
2117 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002118 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2119 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002120 /*
2121 * Initialize link parameters structure variables
2122 * It is recommended to turn off RX FC for jumbo frames
2123 * for better performance
2124 */
2125 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002126 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002127 else
David S. Millerc0700f92008-12-16 23:53:20 -08002128 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002129
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002130 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002131
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002132 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002133 struct link_params *lp = &bp->link_params;
2134 lp->loopback_mode = LOOPBACK_XGXS;
2135 /* do PHY loopback at 10G speed, if possible */
2136 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2137 if (lp->speed_cap_mask[cfx_idx] &
2138 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2139 lp->req_line_speed[cfx_idx] =
2140 SPEED_10000;
2141 else
2142 lp->req_line_speed[cfx_idx] =
2143 SPEED_1000;
2144 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002145 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002146
Merav Sicron8970b2e2012-06-19 07:48:22 +00002147 if (load_mode == LOAD_LOOPBACK_EXT) {
2148 struct link_params *lp = &bp->link_params;
2149 lp->loopback_mode = LOOPBACK_EXT;
2150 }
2151
Eilon Greenstein19680c42008-08-13 15:47:33 -07002152 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002153
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002154 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002155
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002156 bnx2x_calc_fc_adv(bp);
2157
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002158 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2159 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002160 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002161 } else
2162 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002163 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002164 return rc;
2165 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002166 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002167 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002168}
2169
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002170void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002171{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002172 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002173 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002174 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002175 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176
Eilon Greenstein19680c42008-08-13 15:47:33 -07002177 bnx2x_calc_fc_adv(bp);
2178 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002179 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002180}
2181
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002182static void bnx2x__link_reset(struct bnx2x *bp)
2183{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002184 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002185 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002186 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002187 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002188 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002189 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002190}
2191
Yuval Mintz5d07d862012-09-13 02:56:21 +00002192void bnx2x_force_link_reset(struct bnx2x *bp)
2193{
2194 bnx2x_acquire_phy_lock(bp);
2195 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2196 bnx2x_release_phy_lock(bp);
2197}
2198
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002199u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002200{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002201 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002202
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002203 if (!BP_NOMCP(bp)) {
2204 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002205 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2206 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002207 bnx2x_release_phy_lock(bp);
2208 } else
2209 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002210
2211 return rc;
2212}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002213
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002214
Eilon Greenstein2691d512009-08-12 08:22:08 +00002215/* Calculates the sum of vn_min_rates.
2216 It's needed for further normalizing of the min_rates.
2217 Returns:
2218 sum of vn_min_rates.
2219 or
2220 0 - if all the min_rates are 0.
2221 In the later case fainess algorithm should be deactivated.
2222 If not all min_rates are zero then those that are zeroes will be set to 1.
2223 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002224static void bnx2x_calc_vn_min(struct bnx2x *bp,
2225 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226{
2227 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228 int vn;
2229
David S. Miller8decf862011-09-22 03:23:13 -04002230 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002231 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002232 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2233 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2234
2235 /* Skip hidden vns */
2236 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002237 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002238 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002239 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002240 vn_min_rate = DEF_MIN_RATE;
2241 else
2242 all_zero = 0;
2243
Yuval Mintzb475d782012-04-03 18:41:29 +00002244 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002245 }
2246
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002247 /* if ETS or all min rates are zeros - disable fairness */
2248 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002249 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002250 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2251 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2252 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002253 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002254 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002255 DP(NETIF_MSG_IFUP,
2256 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002257 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002258 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002259 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002260}
2261
Yuval Mintzb475d782012-04-03 18:41:29 +00002262static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2263 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002264{
Yuval Mintzb475d782012-04-03 18:41:29 +00002265 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002266 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002267
Yuval Mintzb475d782012-04-03 18:41:29 +00002268 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002269 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002270 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002271 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2272
Yuval Mintzb475d782012-04-03 18:41:29 +00002273 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002274 /* maxCfg in percents of linkspeed */
2275 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002276 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002277 /* maxCfg is absolute in 100Mb units */
2278 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002279 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002280
Yuval Mintzb475d782012-04-03 18:41:29 +00002281 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002282
Yuval Mintzb475d782012-04-03 18:41:29 +00002283 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002284}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002285
Yuval Mintzb475d782012-04-03 18:41:29 +00002286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2288{
2289 if (CHIP_REV_IS_SLOW(bp))
2290 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002291 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002292 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002293
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002294 return CMNG_FNS_NONE;
2295}
2296
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002297void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002298{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002299 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002300
2301 if (BP_NOMCP(bp))
2302 return; /* what should be the default bvalue in this case */
2303
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002304 /* For 2 port configuration the absolute function number formula
2305 * is:
2306 * abs_func = 2 * vn + BP_PORT + BP_PATH
2307 *
2308 * and there are 4 functions per port
2309 *
2310 * For 4 port configuration it is
2311 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2312 *
2313 * and there are 2 functions per port
2314 */
David S. Miller8decf862011-09-22 03:23:13 -04002315 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002316 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2317
2318 if (func >= E1H_FUNC_MAX)
2319 break;
2320
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002321 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002322 MF_CFG_RD(bp, func_mf_config[func].config);
2323 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002324 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2325 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2326 bp->flags |= MF_FUNC_DIS;
2327 } else {
2328 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2329 bp->flags &= ~MF_FUNC_DIS;
2330 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002331}
2332
2333static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2334{
Yuval Mintzb475d782012-04-03 18:41:29 +00002335 struct cmng_init_input input;
2336 memset(&input, 0, sizeof(struct cmng_init_input));
2337
2338 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002339
2340 if (cmng_type == CMNG_FNS_MINMAX) {
2341 int vn;
2342
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002343 /* read mf conf from shmem */
2344 if (read_cfg)
2345 bnx2x_read_mf_cfg(bp);
2346
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002347 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002348 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002349
2350 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002351 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002352 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002353 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354
2355 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002356 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002357 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002358
2359 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002360 return;
2361 }
2362
2363 /* rate shaping and fairness are disabled */
2364 DP(NETIF_MSG_IFUP,
2365 "rate shaping and fairness are disabled\n");
2366}
2367
Eric Dumazet1191cb82012-04-27 21:39:21 +00002368static void storm_memset_cmng(struct bnx2x *bp,
2369 struct cmng_init *cmng,
2370 u8 port)
2371{
2372 int vn;
2373 size_t size = sizeof(struct cmng_struct_per_port);
2374
2375 u32 addr = BAR_XSTRORM_INTMEM +
2376 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2377
2378 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2379
2380 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2381 int func = func_by_vn(bp, vn);
2382
2383 addr = BAR_XSTRORM_INTMEM +
2384 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2385 size = sizeof(struct rate_shaping_vars_per_vn);
2386 __storm_memset_struct(bp, addr, size,
2387 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2388
2389 addr = BAR_XSTRORM_INTMEM +
2390 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2391 size = sizeof(struct fairness_vars_per_vn);
2392 __storm_memset_struct(bp, addr, size,
2393 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2394 }
2395}
2396
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002397/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002398static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002399{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002400 /* Make sure that we are synced with the current statistics */
2401 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2402
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002403 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002404
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002405 if (bp->link_vars.link_up) {
2406
Eilon Greenstein1c063282009-02-12 08:36:43 +00002407 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002408 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002409 int port = BP_PORT(bp);
2410 u32 pause_enabled = 0;
2411
2412 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2413 pause_enabled = 1;
2414
2415 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002416 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002417 pause_enabled);
2418 }
2419
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002420 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002421 struct host_port_stats *pstats;
2422
2423 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002424 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002425 memset(&(pstats->mac_stx[0]), 0,
2426 sizeof(struct mac_stx));
2427 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002428 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002429 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2430 }
2431
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002432 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2433 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002434
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002435 if (cmng_fns != CMNG_FNS_NONE) {
2436 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2437 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2438 } else
2439 /* rate shaping and fairness are disabled */
2440 DP(NETIF_MSG_IFUP,
2441 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002442 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002443
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002444 __bnx2x_link_report(bp);
2445
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002446 if (IS_MF(bp))
2447 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002448}
2449
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002450void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002451{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002452 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002453 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002454
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002455 /* read updated dcb configuration */
2456 bnx2x_dcbx_pmf_update(bp);
2457
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002458 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2459
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002460 if (bp->link_vars.link_up)
2461 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2462 else
2463 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2464
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002465 /* indicate link status */
2466 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002467}
2468
Barak Witkowskia3348722012-04-23 03:04:46 +00002469static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2470 u16 vlan_val, u8 allowed_prio)
2471{
2472 struct bnx2x_func_state_params func_params = {0};
2473 struct bnx2x_func_afex_update_params *f_update_params =
2474 &func_params.params.afex_update;
2475
2476 func_params.f_obj = &bp->func_obj;
2477 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2478
2479 /* no need to wait for RAMROD completion, so don't
2480 * set RAMROD_COMP_WAIT flag
2481 */
2482
2483 f_update_params->vif_id = vifid;
2484 f_update_params->afex_default_vlan = vlan_val;
2485 f_update_params->allowed_priorities = allowed_prio;
2486
2487 /* if ramrod can not be sent, response to MCP immediately */
2488 if (bnx2x_func_state_change(bp, &func_params) < 0)
2489 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2490
2491 return 0;
2492}
2493
2494static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2495 u16 vif_index, u8 func_bit_map)
2496{
2497 struct bnx2x_func_state_params func_params = {0};
2498 struct bnx2x_func_afex_viflists_params *update_params =
2499 &func_params.params.afex_viflists;
2500 int rc;
2501 u32 drv_msg_code;
2502
2503 /* validate only LIST_SET and LIST_GET are received from switch */
2504 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2505 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2506 cmd_type);
2507
2508 func_params.f_obj = &bp->func_obj;
2509 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2510
2511 /* set parameters according to cmd_type */
2512 update_params->afex_vif_list_command = cmd_type;
2513 update_params->vif_list_index = cpu_to_le16(vif_index);
2514 update_params->func_bit_map =
2515 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2516 update_params->func_to_clear = 0;
2517 drv_msg_code =
2518 (cmd_type == VIF_LIST_RULE_GET) ?
2519 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2520 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2521
2522 /* if ramrod can not be sent, respond to MCP immediately for
2523 * SET and GET requests (other are not triggered from MCP)
2524 */
2525 rc = bnx2x_func_state_change(bp, &func_params);
2526 if (rc < 0)
2527 bnx2x_fw_command(bp, drv_msg_code, 0);
2528
2529 return 0;
2530}
2531
2532static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2533{
2534 struct afex_stats afex_stats;
2535 u32 func = BP_ABS_FUNC(bp);
2536 u32 mf_config;
2537 u16 vlan_val;
2538 u32 vlan_prio;
2539 u16 vif_id;
2540 u8 allowed_prio;
2541 u8 vlan_mode;
2542 u32 addr_to_write, vifid, addrs, stats_type, i;
2543
2544 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2545 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2546 DP(BNX2X_MSG_MCP,
2547 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2548 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2549 }
2550
2551 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2552 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2553 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2554 DP(BNX2X_MSG_MCP,
2555 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2556 vifid, addrs);
2557 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2558 addrs);
2559 }
2560
2561 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2562 addr_to_write = SHMEM2_RD(bp,
2563 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2564 stats_type = SHMEM2_RD(bp,
2565 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2566
2567 DP(BNX2X_MSG_MCP,
2568 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2569 addr_to_write);
2570
2571 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2572
2573 /* write response to scratchpad, for MCP */
2574 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2575 REG_WR(bp, addr_to_write + i*sizeof(u32),
2576 *(((u32 *)(&afex_stats))+i));
2577
2578 /* send ack message to MCP */
2579 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2580 }
2581
2582 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2583 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2584 bp->mf_config[BP_VN(bp)] = mf_config;
2585 DP(BNX2X_MSG_MCP,
2586 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2587 mf_config);
2588
2589 /* if VIF_SET is "enabled" */
2590 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2591 /* set rate limit directly to internal RAM */
2592 struct cmng_init_input cmng_input;
2593 struct rate_shaping_vars_per_vn m_rs_vn;
2594 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2595 u32 addr = BAR_XSTRORM_INTMEM +
2596 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2597
2598 bp->mf_config[BP_VN(bp)] = mf_config;
2599
2600 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2601 m_rs_vn.vn_counter.rate =
2602 cmng_input.vnic_max_rate[BP_VN(bp)];
2603 m_rs_vn.vn_counter.quota =
2604 (m_rs_vn.vn_counter.rate *
2605 RS_PERIODIC_TIMEOUT_USEC) / 8;
2606
2607 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2608
2609 /* read relevant values from mf_cfg struct in shmem */
2610 vif_id =
2611 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2612 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2613 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2614 vlan_val =
2615 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2616 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2617 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2618 vlan_prio = (mf_config &
2619 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2620 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2621 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2622 vlan_mode =
2623 (MF_CFG_RD(bp,
2624 func_mf_config[func].afex_config) &
2625 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2626 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2627 allowed_prio =
2628 (MF_CFG_RD(bp,
2629 func_mf_config[func].afex_config) &
2630 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2631 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2632
2633 /* send ramrod to FW, return in case of failure */
2634 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2635 allowed_prio))
2636 return;
2637
2638 bp->afex_def_vlan_tag = vlan_val;
2639 bp->afex_vlan_mode = vlan_mode;
2640 } else {
2641 /* notify link down because BP->flags is disabled */
2642 bnx2x_link_report(bp);
2643
2644 /* send INVALID VIF ramrod to FW */
2645 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2646
2647 /* Reset the default afex VLAN */
2648 bp->afex_def_vlan_tag = -1;
2649 }
2650 }
2651}
2652
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002653static void bnx2x_pmf_update(struct bnx2x *bp)
2654{
2655 int port = BP_PORT(bp);
2656 u32 val;
2657
2658 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002659 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002660
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002661 /*
2662 * We need the mb() to ensure the ordering between the writing to
2663 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2664 */
2665 smp_mb();
2666
2667 /* queue a periodic task */
2668 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2669
Dmitry Kravkovef018542011-06-14 01:33:57 +00002670 bnx2x_dcbx_pmf_update(bp);
2671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002672 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002673 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002674 if (bp->common.int_block == INT_BLOCK_HC) {
2675 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2676 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002677 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002678 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2679 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2680 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002681
2682 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002683}
2684
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002685/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002686
2687/* slow path */
2688
2689/*
2690 * General service functions
2691 */
2692
Eilon Greenstein2691d512009-08-12 08:22:08 +00002693/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002694u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002695{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002696 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002697 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002698 u32 rc = 0;
2699 u32 cnt = 1;
2700 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2701
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002702 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002703 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002704 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2705 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2706
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002707 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2708 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002709
2710 do {
2711 /* let the FW do it's magic ... */
2712 msleep(delay);
2713
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002714 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002715
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002716 /* Give the FW up to 5 second (500*10ms) */
2717 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002718
2719 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2720 cnt*delay, rc, seq);
2721
2722 /* is this a reply to our command? */
2723 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2724 rc &= FW_MSG_CODE_MASK;
2725 else {
2726 /* FW BUG! */
2727 BNX2X_ERR("FW failed to respond!\n");
2728 bnx2x_fw_dump(bp);
2729 rc = 0;
2730 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002731 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002732
2733 return rc;
2734}
2735
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002736
Eric Dumazet1191cb82012-04-27 21:39:21 +00002737static void storm_memset_func_cfg(struct bnx2x *bp,
2738 struct tstorm_eth_function_common_config *tcfg,
2739 u16 abs_fid)
2740{
2741 size_t size = sizeof(struct tstorm_eth_function_common_config);
2742
2743 u32 addr = BAR_TSTRORM_INTMEM +
2744 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2745
2746 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2747}
2748
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002749void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002750{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002751 if (CHIP_IS_E1x(bp)) {
2752 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002753
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002754 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2755 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002756
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002757 /* Enable the function in the FW */
2758 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2759 storm_memset_func_en(bp, p->func_id, 1);
2760
2761 /* spq */
2762 if (p->func_flgs & FUNC_FLG_SPQ) {
2763 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2764 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2765 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2766 }
2767}
2768
Ariel Elior6383c0b2011-07-14 08:31:57 +00002769/**
2770 * bnx2x_get_tx_only_flags - Return common flags
2771 *
2772 * @bp device handle
2773 * @fp queue handle
2774 * @zero_stats TRUE if statistics zeroing is needed
2775 *
2776 * Return the flags that are common for the Tx-only and not normal connections.
2777 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002778static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2779 struct bnx2x_fastpath *fp,
2780 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002781{
2782 unsigned long flags = 0;
2783
2784 /* PF driver will always initialize the Queue to an ACTIVE state */
2785 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2786
Ariel Elior6383c0b2011-07-14 08:31:57 +00002787 /* tx only connections collect statistics (on the same index as the
2788 * parent connection). The statistics are zeroed when the parent
2789 * connection is initialized.
2790 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002791
2792 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2793 if (zero_stats)
2794 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2795
Ariel Elior6383c0b2011-07-14 08:31:57 +00002796
2797 return flags;
2798}
2799
Eric Dumazet1191cb82012-04-27 21:39:21 +00002800static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2801 struct bnx2x_fastpath *fp,
2802 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002803{
2804 unsigned long flags = 0;
2805
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002806 /* calculate other queue flags */
2807 if (IS_MF_SD(bp))
2808 __set_bit(BNX2X_Q_FLG_OV, &flags);
2809
Barak Witkowskia3348722012-04-23 03:04:46 +00002810 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002811 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002812 /* For FCoE - force usage of default priority (for afex) */
2813 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2814 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002815
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002816 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002817 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002818 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002819 if (fp->mode == TPA_MODE_GRO)
2820 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002821 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002822
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002823 if (leading) {
2824 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2825 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2826 }
2827
2828 /* Always set HW VLAN stripping */
2829 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002830
Barak Witkowskia3348722012-04-23 03:04:46 +00002831 /* configure silent vlan removal */
2832 if (IS_MF_AFEX(bp))
2833 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2834
Ariel Elior6383c0b2011-07-14 08:31:57 +00002835
2836 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837}
2838
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002839static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002840 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2841 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002842{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002843 gen_init->stat_id = bnx2x_stats_id(fp);
2844 gen_init->spcl_id = fp->cl_id;
2845
2846 /* Always use mini-jumbo MTU for FCoE L2 ring */
2847 if (IS_FCOE_FP(fp))
2848 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2849 else
2850 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002851
2852 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002853}
2854
2855static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2856 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2857 struct bnx2x_rxq_setup_params *rxq_init)
2858{
2859 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002860 u16 sge_sz = 0;
2861 u16 tpa_agg_size = 0;
2862
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002863 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002864 pause->sge_th_lo = SGE_TH_LO(bp);
2865 pause->sge_th_hi = SGE_TH_HI(bp);
2866
2867 /* validate SGE ring has enough to cross high threshold */
2868 WARN_ON(bp->dropless_fc &&
2869 pause->sge_th_hi + FW_PREFETCH_CNT >
2870 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2871
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002872 tpa_agg_size = min_t(u32,
2873 (min_t(u32, 8, MAX_SKB_FRAGS) *
2874 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2875 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2876 SGE_PAGE_SHIFT;
2877 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2878 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2879 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2880 0xffff);
2881 }
2882
2883 /* pause - not for e1 */
2884 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002885 pause->bd_th_lo = BD_TH_LO(bp);
2886 pause->bd_th_hi = BD_TH_HI(bp);
2887
2888 pause->rcq_th_lo = RCQ_TH_LO(bp);
2889 pause->rcq_th_hi = RCQ_TH_HI(bp);
2890 /*
2891 * validate that rings have enough entries to cross
2892 * high thresholds
2893 */
2894 WARN_ON(bp->dropless_fc &&
2895 pause->bd_th_hi + FW_PREFETCH_CNT >
2896 bp->rx_ring_size);
2897 WARN_ON(bp->dropless_fc &&
2898 pause->rcq_th_hi + FW_PREFETCH_CNT >
2899 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002900
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002901 pause->pri_map = 1;
2902 }
2903
2904 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002905 rxq_init->dscr_map = fp->rx_desc_mapping;
2906 rxq_init->sge_map = fp->rx_sge_mapping;
2907 rxq_init->rcq_map = fp->rx_comp_mapping;
2908 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002909
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002910 /* This should be a maximum number of data bytes that may be
2911 * placed on the BD (not including paddings).
2912 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002913 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2914 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002915
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002916 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002917 rxq_init->tpa_agg_sz = tpa_agg_size;
2918 rxq_init->sge_buf_sz = sge_sz;
2919 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002920 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002921 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002922
2923 /* Maximum number or simultaneous TPA aggregation for this Queue.
2924 *
2925 * For PF Clients it should be the maximum avaliable number.
2926 * VF driver(s) may want to define it to a smaller value.
2927 */
David S. Miller8decf862011-09-22 03:23:13 -04002928 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002929
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002930 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2931 rxq_init->fw_sb_id = fp->fw_sb_id;
2932
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002933 if (IS_FCOE_FP(fp))
2934 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2935 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002936 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002937 /* configure silent vlan removal
2938 * if multi function mode is afex, then mask default vlan
2939 */
2940 if (IS_MF_AFEX(bp)) {
2941 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2942 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2943 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002944}
2945
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002946static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002947 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2948 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002949{
Merav Sicron65565882012-06-19 07:48:26 +00002950 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002951 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002952 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2953 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002954
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002955 /*
2956 * set the tss leading client id for TX classfication ==
2957 * leading RSS client id
2958 */
2959 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2960
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002961 if (IS_FCOE_FP(fp)) {
2962 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2963 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2964 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002965}
2966
stephen hemminger8d962862010-10-21 07:50:56 +00002967static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002968{
2969 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002970 struct event_ring_data eq_data = { {0} };
2971 u16 flags;
2972
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002973 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002974 /* reset IGU PF statistics: MSIX + ATTN */
2975 /* PF */
2976 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2977 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2978 (CHIP_MODE_IS_4_PORT(bp) ?
2979 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2980 /* ATTN */
2981 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2982 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2983 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2984 (CHIP_MODE_IS_4_PORT(bp) ?
2985 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2986 }
2987
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988 /* function setup flags */
2989 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2990
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002991 /* This flag is relevant for E1x only.
2992 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002993 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002994 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002995
2996 func_init.func_flgs = flags;
2997 func_init.pf_id = BP_FUNC(bp);
2998 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002999 func_init.spq_map = bp->spq_mapping;
3000 func_init.spq_prod = bp->spq_prod_idx;
3001
3002 bnx2x_func_init(bp, &func_init);
3003
3004 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3005
3006 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003007 * Congestion management values depend on the link rate
3008 * There is no active link so initial link rate is set to 10 Gbps.
3009 * When the link comes up The congestion management values are
3010 * re-calculated according to the actual link rate.
3011 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003012 bp->link_vars.line_speed = SPEED_10000;
3013 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3014
3015 /* Only the PMF sets the HW */
3016 if (bp->port.pmf)
3017 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3018
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003019 /* init Event Queue */
3020 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3021 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3022 eq_data.producer = bp->eq_prod;
3023 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3024 eq_data.sb_id = DEF_SB_ID;
3025 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3026}
3027
3028
Eilon Greenstein2691d512009-08-12 08:22:08 +00003029static void bnx2x_e1h_disable(struct bnx2x *bp)
3030{
3031 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003032
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003033 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003034
3035 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003036}
3037
3038static void bnx2x_e1h_enable(struct bnx2x *bp)
3039{
3040 int port = BP_PORT(bp);
3041
3042 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3043
Eilon Greenstein2691d512009-08-12 08:22:08 +00003044 /* Tx queue should be only reenabled */
3045 netif_tx_wake_all_queues(bp->dev);
3046
Eilon Greenstein061bc702009-10-15 00:18:47 -07003047 /*
3048 * Should not call netif_carrier_on since it will be called if the link
3049 * is up when checking for link state
3050 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003051}
3052
Barak Witkowski1d187b32011-12-05 22:41:50 +00003053#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3054
3055static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3056{
3057 struct eth_stats_info *ether_stat =
3058 &bp->slowpath->drv_info_to_mcp.ether_stat;
3059
3060 /* leave last char as NULL */
3061 memcpy(ether_stat->version, DRV_MODULE_VERSION,
3062 ETH_STAT_INFO_VERSION_LEN - 1);
3063
Barak Witkowski15192a82012-06-19 07:48:28 +00003064 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3065 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3066 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003067
3068 ether_stat->mtu_size = bp->dev->mtu;
3069
3070 if (bp->dev->features & NETIF_F_RXCSUM)
3071 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3072 if (bp->dev->features & NETIF_F_TSO)
3073 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3074 ether_stat->feature_flags |= bp->common.boot_mode;
3075
3076 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3077
3078 ether_stat->txq_size = bp->tx_ring_size;
3079 ether_stat->rxq_size = bp->rx_ring_size;
3080}
3081
3082static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3083{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003084#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003085 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3086 struct fcoe_stats_info *fcoe_stat =
3087 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3088
Barak Witkowski2e499d32012-06-26 01:31:19 +00003089 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3090 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003091
3092 fcoe_stat->qos_priority =
3093 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3094
3095 /* insert FCoE stats from ramrod response */
3096 if (!NO_FCOE(bp)) {
3097 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003098 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003099 tstorm_queue_statistics;
3100
3101 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003102 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003103 xstorm_queue_statistics;
3104
3105 struct fcoe_statistics_params *fw_fcoe_stat =
3106 &bp->fw_stats_data->fcoe;
3107
3108 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3109 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3110
3111 ADD_64(fcoe_stat->rx_bytes_hi,
3112 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3113 fcoe_stat->rx_bytes_lo,
3114 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3115
3116 ADD_64(fcoe_stat->rx_bytes_hi,
3117 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3118 fcoe_stat->rx_bytes_lo,
3119 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3120
3121 ADD_64(fcoe_stat->rx_bytes_hi,
3122 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3123 fcoe_stat->rx_bytes_lo,
3124 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3125
3126 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3127 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3128
3129 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3130 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3131
3132 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3133 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3134
3135 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003136 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003137
3138 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3139 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3140
3141 ADD_64(fcoe_stat->tx_bytes_hi,
3142 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3143 fcoe_stat->tx_bytes_lo,
3144 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3145
3146 ADD_64(fcoe_stat->tx_bytes_hi,
3147 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3148 fcoe_stat->tx_bytes_lo,
3149 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3150
3151 ADD_64(fcoe_stat->tx_bytes_hi,
3152 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3153 fcoe_stat->tx_bytes_lo,
3154 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3155
3156 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3157 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3158
3159 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3160 fcoe_q_xstorm_stats->ucast_pkts_sent);
3161
3162 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3163 fcoe_q_xstorm_stats->bcast_pkts_sent);
3164
3165 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3166 fcoe_q_xstorm_stats->mcast_pkts_sent);
3167 }
3168
Barak Witkowski1d187b32011-12-05 22:41:50 +00003169 /* ask L5 driver to add data to the struct */
3170 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3171#endif
3172}
3173
3174static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3175{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003176#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003177 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3178 struct iscsi_stats_info *iscsi_stat =
3179 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3180
Barak Witkowski2e499d32012-06-26 01:31:19 +00003181 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3182 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003183
3184 iscsi_stat->qos_priority =
3185 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3186
Barak Witkowski1d187b32011-12-05 22:41:50 +00003187 /* ask L5 driver to add data to the struct */
3188 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3189#endif
3190}
3191
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003192/* called due to MCP event (on pmf):
3193 * reread new bandwidth configuration
3194 * configure FW
3195 * notify others function about the change
3196 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003197static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003198{
3199 if (bp->link_vars.link_up) {
3200 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3201 bnx2x_link_sync_notify(bp);
3202 }
3203 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3204}
3205
Eric Dumazet1191cb82012-04-27 21:39:21 +00003206static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003207{
3208 bnx2x_config_mf_bw(bp);
3209 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3210}
3211
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003212static void bnx2x_handle_eee_event(struct bnx2x *bp)
3213{
3214 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3215 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3216}
3217
Barak Witkowski1d187b32011-12-05 22:41:50 +00003218static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3219{
3220 enum drv_info_opcode op_code;
3221 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3222
3223 /* if drv_info version supported by MFW doesn't match - send NACK */
3224 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3225 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3226 return;
3227 }
3228
3229 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3230 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3231
3232 memset(&bp->slowpath->drv_info_to_mcp, 0,
3233 sizeof(union drv_info_to_mcp));
3234
3235 switch (op_code) {
3236 case ETH_STATS_OPCODE:
3237 bnx2x_drv_info_ether_stat(bp);
3238 break;
3239 case FCOE_STATS_OPCODE:
3240 bnx2x_drv_info_fcoe_stat(bp);
3241 break;
3242 case ISCSI_STATS_OPCODE:
3243 bnx2x_drv_info_iscsi_stat(bp);
3244 break;
3245 default:
3246 /* if op code isn't supported - send NACK */
3247 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3248 return;
3249 }
3250
3251 /* if we got drv_info attn from MFW then these fields are defined in
3252 * shmem2 for sure
3253 */
3254 SHMEM2_WR(bp, drv_info_host_addr_lo,
3255 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3256 SHMEM2_WR(bp, drv_info_host_addr_hi,
3257 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3258
3259 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3260}
3261
Eilon Greenstein2691d512009-08-12 08:22:08 +00003262static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3263{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003264 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003265
3266 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3267
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003268 /*
3269 * This is the only place besides the function initialization
3270 * where the bp->flags can change so it is done without any
3271 * locks
3272 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003273 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003274 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003275 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003276
3277 bnx2x_e1h_disable(bp);
3278 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003279 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003280 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003281
3282 bnx2x_e1h_enable(bp);
3283 }
3284 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3285 }
3286 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003287 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003288 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3289 }
3290
3291 /* Report results to MCP */
3292 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003293 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003294 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003295 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003296}
3297
Michael Chan28912902009-10-10 13:46:53 +00003298/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003299static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003300{
3301 struct eth_spe *next_spe = bp->spq_prod_bd;
3302
3303 if (bp->spq_prod_bd == bp->spq_last_bd) {
3304 bp->spq_prod_bd = bp->spq;
3305 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003306 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003307 } else {
3308 bp->spq_prod_bd++;
3309 bp->spq_prod_idx++;
3310 }
3311 return next_spe;
3312}
3313
3314/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003315static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003316{
3317 int func = BP_FUNC(bp);
3318
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003319 /*
3320 * Make sure that BD data is updated before writing the producer:
3321 * BD data is written to the memory, the producer is read from the
3322 * memory, thus we need a full memory barrier to ensure the ordering.
3323 */
3324 mb();
Michael Chan28912902009-10-10 13:46:53 +00003325
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003326 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003327 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003328 mmiowb();
3329}
3330
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003331/**
3332 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3333 *
3334 * @cmd: command to check
3335 * @cmd_type: command type
3336 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003337static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003338{
3339 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003340 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003341 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3342 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3343 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3344 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3345 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3346 return true;
3347 else
3348 return false;
3349
3350}
3351
3352
3353/**
3354 * bnx2x_sp_post - place a single command on an SP ring
3355 *
3356 * @bp: driver handle
3357 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3358 * @cid: SW CID the command is related to
3359 * @data_hi: command private data address (high 32 bits)
3360 * @data_lo: command private data address (low 32 bits)
3361 * @cmd_type: command type (e.g. NONE, ETH)
3362 *
3363 * SP data is handled as if it's always an address pair, thus data fields are
3364 * not swapped to little endian in upper functions. Instead this function swaps
3365 * data as if it's two u32 fields.
3366 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003367int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003368 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003369{
Michael Chan28912902009-10-10 13:46:53 +00003370 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003371 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003372 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003374#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003375 if (unlikely(bp->panic)) {
3376 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003377 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003378 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003379#endif
3380
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003381 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003382
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003383 if (common) {
3384 if (!atomic_read(&bp->eq_spq_left)) {
3385 BNX2X_ERR("BUG! EQ ring full!\n");
3386 spin_unlock_bh(&bp->spq_lock);
3387 bnx2x_panic();
3388 return -EBUSY;
3389 }
3390 } else if (!atomic_read(&bp->cq_spq_left)) {
3391 BNX2X_ERR("BUG! SPQ ring full!\n");
3392 spin_unlock_bh(&bp->spq_lock);
3393 bnx2x_panic();
3394 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003395 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003396
Michael Chan28912902009-10-10 13:46:53 +00003397 spe = bnx2x_sp_get_next(bp);
3398
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003399 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003400 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003401 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3402 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003403
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003404 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003405
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003406 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3407 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003408
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003409 spe->hdr.type = cpu_to_le16(type);
3410
3411 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3412 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3413
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003414 /*
3415 * It's ok if the actual decrement is issued towards the memory
3416 * somewhere between the spin_lock and spin_unlock. Thus no
3417 * more explict memory barrier is needed.
3418 */
3419 if (common)
3420 atomic_dec(&bp->eq_spq_left);
3421 else
3422 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003423
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003424
Merav Sicron51c1a582012-03-18 10:33:38 +00003425 DP(BNX2X_MSG_SP,
3426 "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 +00003427 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3428 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003429 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003430 HW_CID(bp, cid), data_hi, data_lo, type,
3431 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003432
Michael Chan28912902009-10-10 13:46:53 +00003433 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003434 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003435 return 0;
3436}
3437
3438/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003439static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003441 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003442 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003443
3444 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003445 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003446 val = (1UL << 31);
3447 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3448 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3449 if (val & (1L << 31))
3450 break;
3451
3452 msleep(5);
3453 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003454 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003455 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003456 rc = -EBUSY;
3457 }
3458
3459 return rc;
3460}
3461
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003462/* release split MCP access lock register */
3463static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003464{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003465 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003466}
3467
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003468#define BNX2X_DEF_SB_ATT_IDX 0x0001
3469#define BNX2X_DEF_SB_IDX 0x0002
3470
Eric Dumazet1191cb82012-04-27 21:39:21 +00003471static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003472{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003473 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003474 u16 rc = 0;
3475
3476 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003477 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3478 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003479 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003480 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003481
3482 if (bp->def_idx != def_sb->sp_sb.running_index) {
3483 bp->def_idx = def_sb->sp_sb.running_index;
3484 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003485 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003486
3487 /* Do not reorder: indecies reading should complete before handling */
3488 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003489 return rc;
3490}
3491
3492/*
3493 * slow path service functions
3494 */
3495
3496static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3497{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003498 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003499 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3500 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003501 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3502 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003503 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003504 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003505 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003507 if (bp->attn_state & asserted)
3508 BNX2X_ERR("IGU ERROR\n");
3509
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003510 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3511 aeu_mask = REG_RD(bp, aeu_addr);
3512
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003513 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003514 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003515 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003516 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003517
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003518 REG_WR(bp, aeu_addr, aeu_mask);
3519 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003520
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003521 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003522 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003523 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003524
3525 if (asserted & ATTN_HARD_WIRED_MASK) {
3526 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003527
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003528 bnx2x_acquire_phy_lock(bp);
3529
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003530 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003531 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003532
Yaniv Rosner361c3912011-06-14 01:33:19 +00003533 /* If nig_mask is not set, no need to call the update
3534 * function.
3535 */
3536 if (nig_mask) {
3537 REG_WR(bp, nig_int_mask_addr, 0);
3538
3539 bnx2x_link_attn(bp);
3540 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003541
3542 /* handle unicore attn? */
3543 }
3544 if (asserted & ATTN_SW_TIMER_4_FUNC)
3545 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3546
3547 if (asserted & GPIO_2_FUNC)
3548 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3549
3550 if (asserted & GPIO_3_FUNC)
3551 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3552
3553 if (asserted & GPIO_4_FUNC)
3554 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3555
3556 if (port == 0) {
3557 if (asserted & ATTN_GENERAL_ATTN_1) {
3558 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3559 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3560 }
3561 if (asserted & ATTN_GENERAL_ATTN_2) {
3562 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3563 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3564 }
3565 if (asserted & ATTN_GENERAL_ATTN_3) {
3566 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3567 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3568 }
3569 } else {
3570 if (asserted & ATTN_GENERAL_ATTN_4) {
3571 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3572 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3573 }
3574 if (asserted & ATTN_GENERAL_ATTN_5) {
3575 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3576 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3577 }
3578 if (asserted & ATTN_GENERAL_ATTN_6) {
3579 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3580 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3581 }
3582 }
3583
3584 } /* if hardwired */
3585
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003586 if (bp->common.int_block == INT_BLOCK_HC)
3587 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3588 COMMAND_REG_ATTN_BITS_SET);
3589 else
3590 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3591
3592 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3593 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3594 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
3596 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003597 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003598 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003599 bnx2x_release_phy_lock(bp);
3600 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003601}
3602
Eric Dumazet1191cb82012-04-27 21:39:21 +00003603static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003604{
3605 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003606 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003607 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003608 ext_phy_config =
3609 SHMEM_RD(bp,
3610 dev_info.port_hw_config[port].external_phy_config);
3611
3612 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3613 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003614 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003615 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003616
3617 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003618 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3619 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003620
3621 /*
3622 * Scheudle device reset (unload)
3623 * This is due to some boards consuming sufficient power when driver is
3624 * up to overheat if fan fails.
3625 */
3626 smp_mb__before_clear_bit();
3627 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3628 smp_mb__after_clear_bit();
3629 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3630
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003631}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003632
Eric Dumazet1191cb82012-04-27 21:39:21 +00003633static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003634{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003635 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003636 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003637 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003639 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3640 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003642 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003643
3644 val = REG_RD(bp, reg_offset);
3645 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3646 REG_WR(bp, reg_offset, val);
3647
3648 BNX2X_ERR("SPIO5 hw attention\n");
3649
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003650 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003651 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003652 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003653 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003654
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003655 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003656 bnx2x_acquire_phy_lock(bp);
3657 bnx2x_handle_module_detect_int(&bp->link_params);
3658 bnx2x_release_phy_lock(bp);
3659 }
3660
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003661 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3662
3663 val = REG_RD(bp, reg_offset);
3664 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3665 REG_WR(bp, reg_offset, val);
3666
3667 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003668 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003669 bnx2x_panic();
3670 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003671}
3672
Eric Dumazet1191cb82012-04-27 21:39:21 +00003673static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003674{
3675 u32 val;
3676
Eilon Greenstein0626b892009-02-12 08:38:14 +00003677 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003678
3679 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3680 BNX2X_ERR("DB hw attention 0x%x\n", val);
3681 /* DORQ discard attention */
3682 if (val & 0x2)
3683 BNX2X_ERR("FATAL error from DORQ\n");
3684 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003685
3686 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3687
3688 int port = BP_PORT(bp);
3689 int reg_offset;
3690
3691 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3692 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3693
3694 val = REG_RD(bp, reg_offset);
3695 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3696 REG_WR(bp, reg_offset, val);
3697
3698 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003699 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003700 bnx2x_panic();
3701 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003702}
3703
Eric Dumazet1191cb82012-04-27 21:39:21 +00003704static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003705{
3706 u32 val;
3707
3708 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3709
3710 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3711 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3712 /* CFC error attention */
3713 if (val & 0x2)
3714 BNX2X_ERR("FATAL error from CFC\n");
3715 }
3716
3717 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003718 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003719 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003720 /* RQ_USDMDP_FIFO_OVERFLOW */
3721 if (val & 0x18000)
3722 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003723
3724 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003725 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3726 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3727 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003728 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003729
3730 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3731
3732 int port = BP_PORT(bp);
3733 int reg_offset;
3734
3735 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3736 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3737
3738 val = REG_RD(bp, reg_offset);
3739 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3740 REG_WR(bp, reg_offset, val);
3741
3742 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003743 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003744 bnx2x_panic();
3745 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003746}
3747
Eric Dumazet1191cb82012-04-27 21:39:21 +00003748static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003749{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003750 u32 val;
3751
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003752 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3753
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003754 if (attn & BNX2X_PMF_LINK_ASSERT) {
3755 int func = BP_FUNC(bp);
3756
3757 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003758 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003759 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3760 func_mf_config[BP_ABS_FUNC(bp)].config);
3761 val = SHMEM_RD(bp,
3762 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003763 if (val & DRV_STATUS_DCC_EVENT_MASK)
3764 bnx2x_dcc_event(bp,
3765 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003766
3767 if (val & DRV_STATUS_SET_MF_BW)
3768 bnx2x_set_mf_bw(bp);
3769
Barak Witkowski1d187b32011-12-05 22:41:50 +00003770 if (val & DRV_STATUS_DRV_INFO_REQ)
3771 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003772 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003773 bnx2x_pmf_update(bp);
3774
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003775 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003776 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3777 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003778 /* start dcbx state machine */
3779 bnx2x_dcbx_set_params(bp,
3780 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003781 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3782 bnx2x_handle_afex_cmd(bp,
3783 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003784 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3785 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003786 if (bp->link_vars.periodic_flags &
3787 PERIODIC_FLAGS_LINK_EVENT) {
3788 /* sync with link */
3789 bnx2x_acquire_phy_lock(bp);
3790 bp->link_vars.periodic_flags &=
3791 ~PERIODIC_FLAGS_LINK_EVENT;
3792 bnx2x_release_phy_lock(bp);
3793 if (IS_MF(bp))
3794 bnx2x_link_sync_notify(bp);
3795 bnx2x_link_report(bp);
3796 }
3797 /* Always call it here: bnx2x_link_report() will
3798 * prevent the link indication duplication.
3799 */
3800 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003801 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003802
3803 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003804 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003805 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3806 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3807 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3808 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3809 bnx2x_panic();
3810
3811 } else if (attn & BNX2X_MCP_ASSERT) {
3812
3813 BNX2X_ERR("MCP assert!\n");
3814 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003815 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003816
3817 } else
3818 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3819 }
3820
3821 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003822 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3823 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003824 val = CHIP_IS_E1(bp) ? 0 :
3825 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003826 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3827 }
3828 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003829 val = CHIP_IS_E1(bp) ? 0 :
3830 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003831 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3832 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003833 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003834 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003835}
3836
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003837/*
3838 * Bits map:
3839 * 0-7 - Engine0 load counter.
3840 * 8-15 - Engine1 load counter.
3841 * 16 - Engine0 RESET_IN_PROGRESS bit.
3842 * 17 - Engine1 RESET_IN_PROGRESS bit.
3843 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3844 * on the engine
3845 * 19 - Engine1 ONE_IS_LOADED.
3846 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3847 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3848 * just the one belonging to its engine).
3849 *
3850 */
3851#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3852
3853#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3854#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3855#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3856#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3857#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3858#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3859#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003860
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003861/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003862 * Set the GLOBAL_RESET bit.
3863 *
3864 * Should be run under rtnl lock
3865 */
3866void bnx2x_set_reset_global(struct bnx2x *bp)
3867{
Ariel Eliorf16da432012-01-26 06:01:50 +00003868 u32 val;
3869 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3870 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003871 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003872 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003873}
3874
3875/*
3876 * Clear the GLOBAL_RESET bit.
3877 *
3878 * Should be run under rtnl lock
3879 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003880static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003881{
Ariel Eliorf16da432012-01-26 06:01:50 +00003882 u32 val;
3883 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3884 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003885 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003886 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003887}
3888
3889/*
3890 * Checks the GLOBAL_RESET bit.
3891 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003892 * should be run under rtnl lock
3893 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003894static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003895{
3896 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3897
3898 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3899 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3900}
3901
3902/*
3903 * Clear RESET_IN_PROGRESS bit for the current engine.
3904 *
3905 * Should be run under rtnl lock
3906 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003907static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003908{
Ariel Eliorf16da432012-01-26 06:01:50 +00003909 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003910 u32 bit = BP_PATH(bp) ?
3911 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003912 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3913 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003914
3915 /* Clear the bit */
3916 val &= ~bit;
3917 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003918
3919 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003920}
3921
3922/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003923 * Set RESET_IN_PROGRESS for the current engine.
3924 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003925 * should be run under rtnl lock
3926 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003927void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003928{
Ariel Eliorf16da432012-01-26 06:01:50 +00003929 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003930 u32 bit = BP_PATH(bp) ?
3931 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003932 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3933 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003934
3935 /* Set the bit */
3936 val |= bit;
3937 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003938 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003939}
3940
3941/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003942 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003943 * should be run under rtnl lock
3944 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003945bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003946{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003947 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3948 u32 bit = engine ?
3949 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3950
3951 /* return false if bit is set */
3952 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003953}
3954
3955/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003956 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003957 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003958 * should be run under rtnl lock
3959 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003960void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003961{
Ariel Eliorf16da432012-01-26 06:01:50 +00003962 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003963 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3964 BNX2X_PATH0_LOAD_CNT_MASK;
3965 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3966 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003967
Ariel Eliorf16da432012-01-26 06:01:50 +00003968 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3969 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3970
Merav Sicron51c1a582012-03-18 10:33:38 +00003971 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003972
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003973 /* get the current counter value */
3974 val1 = (val & mask) >> shift;
3975
Ariel Elior889b9af2012-01-26 06:01:51 +00003976 /* set bit of that PF */
3977 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003978
3979 /* clear the old value */
3980 val &= ~mask;
3981
3982 /* set the new one */
3983 val |= ((val1 << shift) & mask);
3984
3985 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003986 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003987}
3988
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003989/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003990 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003991 *
3992 * @bp: driver handle
3993 *
3994 * Should be run under rtnl lock.
3995 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003996 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003997 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003998bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003999{
Ariel Eliorf16da432012-01-26 06:01:50 +00004000 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004001 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4002 BNX2X_PATH0_LOAD_CNT_MASK;
4003 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4004 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004005
Ariel Eliorf16da432012-01-26 06:01:50 +00004006 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4007 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004008 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004009
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004010 /* get the current counter value */
4011 val1 = (val & mask) >> shift;
4012
Ariel Elior889b9af2012-01-26 06:01:51 +00004013 /* clear bit of that PF */
4014 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004015
4016 /* clear the old value */
4017 val &= ~mask;
4018
4019 /* set the new one */
4020 val |= ((val1 << shift) & mask);
4021
4022 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004023 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4024 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004025}
4026
4027/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004028 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004029 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004030 * should be run under rtnl lock
4031 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004032static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004033{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004034 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4035 BNX2X_PATH0_LOAD_CNT_MASK);
4036 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4037 BNX2X_PATH0_LOAD_CNT_SHIFT);
4038 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4039
Merav Sicron51c1a582012-03-18 10:33:38 +00004040 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004041
4042 val = (val & mask) >> shift;
4043
Merav Sicron51c1a582012-03-18 10:33:38 +00004044 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4045 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004046
Ariel Elior889b9af2012-01-26 06:01:51 +00004047 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004048}
4049
Eric Dumazet1191cb82012-04-27 21:39:21 +00004050static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004051{
Joe Perchesf1deab52011-08-14 12:16:21 +00004052 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004053}
4054
Eric Dumazet1191cb82012-04-27 21:39:21 +00004055static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4056 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004057{
4058 int i = 0;
4059 u32 cur_bit = 0;
4060 for (i = 0; sig; i++) {
4061 cur_bit = ((u32)0x1 << i);
4062 if (sig & cur_bit) {
4063 switch (cur_bit) {
4064 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004065 if (print)
4066 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004067 break;
4068 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004069 if (print)
4070 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004071 break;
4072 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004073 if (print)
4074 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004075 break;
4076 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004077 if (print)
4078 _print_next_block(par_num++,
4079 "SEARCHER");
4080 break;
4081 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4082 if (print)
4083 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004084 break;
4085 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004086 if (print)
4087 _print_next_block(par_num++, "TSEMI");
4088 break;
4089 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4090 if (print)
4091 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004092 break;
4093 }
4094
4095 /* Clear the bit */
4096 sig &= ~cur_bit;
4097 }
4098 }
4099
4100 return par_num;
4101}
4102
Eric Dumazet1191cb82012-04-27 21:39:21 +00004103static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4104 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004105{
4106 int i = 0;
4107 u32 cur_bit = 0;
4108 for (i = 0; sig; i++) {
4109 cur_bit = ((u32)0x1 << i);
4110 if (sig & cur_bit) {
4111 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004112 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4113 if (print)
4114 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004115 break;
4116 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004117 if (print)
4118 _print_next_block(par_num++, "QM");
4119 break;
4120 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4121 if (print)
4122 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004123 break;
4124 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004125 if (print)
4126 _print_next_block(par_num++, "XSDM");
4127 break;
4128 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4129 if (print)
4130 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004131 break;
4132 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004133 if (print)
4134 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004135 break;
4136 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004137 if (print)
4138 _print_next_block(par_num++,
4139 "DOORBELLQ");
4140 break;
4141 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4142 if (print)
4143 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004144 break;
4145 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004146 if (print)
4147 _print_next_block(par_num++,
4148 "VAUX PCI CORE");
4149 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004150 break;
4151 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004152 if (print)
4153 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004154 break;
4155 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004156 if (print)
4157 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004158 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004159 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4160 if (print)
4161 _print_next_block(par_num++, "UCM");
4162 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004163 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004164 if (print)
4165 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004166 break;
4167 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004168 if (print)
4169 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004170 break;
4171 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004172 if (print)
4173 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004174 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004175 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4176 if (print)
4177 _print_next_block(par_num++, "CCM");
4178 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004179 }
4180
4181 /* Clear the bit */
4182 sig &= ~cur_bit;
4183 }
4184 }
4185
4186 return par_num;
4187}
4188
Eric Dumazet1191cb82012-04-27 21:39:21 +00004189static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4190 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004191{
4192 int i = 0;
4193 u32 cur_bit = 0;
4194 for (i = 0; sig; i++) {
4195 cur_bit = ((u32)0x1 << i);
4196 if (sig & cur_bit) {
4197 switch (cur_bit) {
4198 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004199 if (print)
4200 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004201 break;
4202 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004203 if (print)
4204 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004205 break;
4206 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 if (print)
4208 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004209 "PXPPCICLOCKCLIENT");
4210 break;
4211 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004212 if (print)
4213 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004214 break;
4215 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004216 if (print)
4217 _print_next_block(par_num++, "CDU");
4218 break;
4219 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4220 if (print)
4221 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004222 break;
4223 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004224 if (print)
4225 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004226 break;
4227 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004228 if (print)
4229 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004230 break;
4231 }
4232
4233 /* Clear the bit */
4234 sig &= ~cur_bit;
4235 }
4236 }
4237
4238 return par_num;
4239}
4240
Eric Dumazet1191cb82012-04-27 21:39:21 +00004241static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4242 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004243{
4244 int i = 0;
4245 u32 cur_bit = 0;
4246 for (i = 0; sig; i++) {
4247 cur_bit = ((u32)0x1 << i);
4248 if (sig & cur_bit) {
4249 switch (cur_bit) {
4250 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004251 if (print)
4252 _print_next_block(par_num++, "MCP ROM");
4253 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004254 break;
4255 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004256 if (print)
4257 _print_next_block(par_num++,
4258 "MCP UMP RX");
4259 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004260 break;
4261 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004262 if (print)
4263 _print_next_block(par_num++,
4264 "MCP UMP TX");
4265 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004266 break;
4267 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004268 if (print)
4269 _print_next_block(par_num++,
4270 "MCP SCPAD");
4271 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004272 break;
4273 }
4274
4275 /* Clear the bit */
4276 sig &= ~cur_bit;
4277 }
4278 }
4279
4280 return par_num;
4281}
4282
Eric Dumazet1191cb82012-04-27 21:39:21 +00004283static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4284 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004285{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004286 int i = 0;
4287 u32 cur_bit = 0;
4288 for (i = 0; sig; i++) {
4289 cur_bit = ((u32)0x1 << i);
4290 if (sig & cur_bit) {
4291 switch (cur_bit) {
4292 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4293 if (print)
4294 _print_next_block(par_num++, "PGLUE_B");
4295 break;
4296 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4297 if (print)
4298 _print_next_block(par_num++, "ATC");
4299 break;
4300 }
4301
4302 /* Clear the bit */
4303 sig &= ~cur_bit;
4304 }
4305 }
4306
4307 return par_num;
4308}
4309
Eric Dumazet1191cb82012-04-27 21:39:21 +00004310static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4311 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004312{
4313 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4314 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4315 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4316 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4317 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004318 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004319 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4320 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004321 sig[0] & HW_PRTY_ASSERT_SET_0,
4322 sig[1] & HW_PRTY_ASSERT_SET_1,
4323 sig[2] & HW_PRTY_ASSERT_SET_2,
4324 sig[3] & HW_PRTY_ASSERT_SET_3,
4325 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004326 if (print)
4327 netdev_err(bp->dev,
4328 "Parity errors detected in blocks: ");
4329 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004330 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004331 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004332 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004333 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004334 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004335 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004336 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4337 par_num = bnx2x_check_blocks_with_parity4(
4338 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4339
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004340 if (print)
4341 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004342
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004343 return true;
4344 } else
4345 return false;
4346}
4347
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004348/**
4349 * bnx2x_chk_parity_attn - checks for parity attentions.
4350 *
4351 * @bp: driver handle
4352 * @global: true if there was a global attention
4353 * @print: show parity attention in syslog
4354 */
4355bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004356{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004357 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004358 int port = BP_PORT(bp);
4359
4360 attn.sig[0] = REG_RD(bp,
4361 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4362 port*4);
4363 attn.sig[1] = REG_RD(bp,
4364 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4365 port*4);
4366 attn.sig[2] = REG_RD(bp,
4367 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4368 port*4);
4369 attn.sig[3] = REG_RD(bp,
4370 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4371 port*4);
4372
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004373 if (!CHIP_IS_E1x(bp))
4374 attn.sig[4] = REG_RD(bp,
4375 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4376 port*4);
4377
4378 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004379}
4380
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004381
Eric Dumazet1191cb82012-04-27 21:39:21 +00004382static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004383{
4384 u32 val;
4385 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4386
4387 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4388 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4389 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004390 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004391 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004392 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004393 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004394 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004395 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004396 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004397 if (val &
4398 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004399 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004400 if (val &
4401 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004402 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004403 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004404 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004405 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004406 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004407 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004408 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004409 }
4410 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4411 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4412 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4413 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4414 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4415 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004416 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004417 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004418 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004420 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004421 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4422 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4423 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004424 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004425 }
4426
4427 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4428 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4429 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4430 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4431 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4432 }
4433
4434}
4435
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004436static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4437{
4438 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004439 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004440 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004441 u32 reg_addr;
4442 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004443 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004444 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004445
4446 /* need to take HW lock because MCP or other port might also
4447 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004448 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004449
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004450 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4451#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004452 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004453 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004454 /* Disable HW interrupts */
4455 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004456 /* In case of parity errors don't handle attentions so that
4457 * other function would "see" parity errors.
4458 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004459#else
4460 bnx2x_panic();
4461#endif
4462 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004463 return;
4464 }
4465
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004466 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4467 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4468 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4469 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004470 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004471 attn.sig[4] =
4472 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4473 else
4474 attn.sig[4] = 0;
4475
4476 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4477 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004478
4479 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4480 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004481 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482
Merav Sicron51c1a582012-03-18 10:33:38 +00004483 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004484 index,
4485 group_mask->sig[0], group_mask->sig[1],
4486 group_mask->sig[2], group_mask->sig[3],
4487 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004488
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004489 bnx2x_attn_int_deasserted4(bp,
4490 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004491 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004492 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004493 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004494 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004495 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004496 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004497 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004498 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004499 }
4500 }
4501
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004502 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004504 if (bp->common.int_block == INT_BLOCK_HC)
4505 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4506 COMMAND_REG_ATTN_BITS_CLR);
4507 else
4508 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004509
4510 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004511 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4512 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004513 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004514
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004515 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004516 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004517
4518 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4519 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4520
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004521 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4522 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004523
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004524 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4525 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004526 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004527 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4528
4529 REG_WR(bp, reg_addr, aeu_mask);
4530 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004531
4532 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4533 bp->attn_state &= ~deasserted;
4534 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4535}
4536
4537static void bnx2x_attn_int(struct bnx2x *bp)
4538{
4539 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004540 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4541 attn_bits);
4542 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4543 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004544 u32 attn_state = bp->attn_state;
4545
4546 /* look for changed bits */
4547 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4548 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4549
4550 DP(NETIF_MSG_HW,
4551 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4552 attn_bits, attn_ack, asserted, deasserted);
4553
4554 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004555 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004556
4557 /* handle bits that were raised */
4558 if (asserted)
4559 bnx2x_attn_int_asserted(bp, asserted);
4560
4561 if (deasserted)
4562 bnx2x_attn_int_deasserted(bp, deasserted);
4563}
4564
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004565void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4566 u16 index, u8 op, u8 update)
4567{
4568 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4569
4570 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4571 igu_addr);
4572}
4573
Eric Dumazet1191cb82012-04-27 21:39:21 +00004574static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004575{
4576 /* No memory barriers */
4577 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4578 mmiowb(); /* keep prod updates ordered */
4579}
4580
4581#ifdef BCM_CNIC
4582static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4583 union event_ring_elem *elem)
4584{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004585 u8 err = elem->message.error;
4586
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004587 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004588 (cid < bp->cnic_eth_dev.starting_cid &&
4589 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004590 return 1;
4591
4592 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4593
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004594 if (unlikely(err)) {
4595
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004596 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4597 cid);
4598 bnx2x_panic_dump(bp);
4599 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004600 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004601 return 0;
4602}
4603#endif
4604
Eric Dumazet1191cb82012-04-27 21:39:21 +00004605static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004606{
4607 struct bnx2x_mcast_ramrod_params rparam;
4608 int rc;
4609
4610 memset(&rparam, 0, sizeof(rparam));
4611
4612 rparam.mcast_obj = &bp->mcast_obj;
4613
4614 netif_addr_lock_bh(bp->dev);
4615
4616 /* Clear pending state for the last command */
4617 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4618
4619 /* If there are pending mcast commands - send them */
4620 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4621 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4622 if (rc < 0)
4623 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4624 rc);
4625 }
4626
4627 netif_addr_unlock_bh(bp->dev);
4628}
4629
Eric Dumazet1191cb82012-04-27 21:39:21 +00004630static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4631 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004632{
4633 unsigned long ramrod_flags = 0;
4634 int rc = 0;
4635 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4636 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4637
4638 /* Always push next commands out, don't wait here */
4639 __set_bit(RAMROD_CONT, &ramrod_flags);
4640
4641 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4642 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004643 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004644#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004645 if (cid == BNX2X_ISCSI_ETH_CID(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004646 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4647 else
4648#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004649 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004650
4651 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004652 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004653 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004654 /* This is only relevant for 57710 where multicast MACs are
4655 * configured as unicast MACs using the same ramrod.
4656 */
4657 bnx2x_handle_mcast_eqe(bp);
4658 return;
4659 default:
4660 BNX2X_ERR("Unsupported classification command: %d\n",
4661 elem->message.data.eth_event.echo);
4662 return;
4663 }
4664
4665 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4666
4667 if (rc < 0)
4668 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4669 else if (rc > 0)
4670 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4671
4672}
4673
4674#ifdef BCM_CNIC
4675static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4676#endif
4677
Eric Dumazet1191cb82012-04-27 21:39:21 +00004678static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004679{
4680 netif_addr_lock_bh(bp->dev);
4681
4682 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4683
4684 /* Send rx_mode command again if was requested */
4685 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4686 bnx2x_set_storm_rx_mode(bp);
4687#ifdef BCM_CNIC
4688 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4689 &bp->sp_state))
4690 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4691 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4692 &bp->sp_state))
4693 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4694#endif
4695
4696 netif_addr_unlock_bh(bp->dev);
4697}
4698
Eric Dumazet1191cb82012-04-27 21:39:21 +00004699static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004700 union event_ring_elem *elem)
4701{
4702 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4703 DP(BNX2X_MSG_SP,
4704 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4705 elem->message.data.vif_list_event.func_bit_map);
4706 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4707 elem->message.data.vif_list_event.func_bit_map);
4708 } else if (elem->message.data.vif_list_event.echo ==
4709 VIF_LIST_RULE_SET) {
4710 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4711 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4712 }
4713}
4714
4715/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004716static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004717{
4718 int q, rc;
4719 struct bnx2x_fastpath *fp;
4720 struct bnx2x_queue_state_params queue_params = {NULL};
4721 struct bnx2x_queue_update_params *q_update_params =
4722 &queue_params.params.update;
4723
4724 /* Send Q update command with afex vlan removal values for all Qs */
4725 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4726
4727 /* set silent vlan removal values according to vlan mode */
4728 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4729 &q_update_params->update_flags);
4730 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4731 &q_update_params->update_flags);
4732 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4733
4734 /* in access mode mark mask and value are 0 to strip all vlans */
4735 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4736 q_update_params->silent_removal_value = 0;
4737 q_update_params->silent_removal_mask = 0;
4738 } else {
4739 q_update_params->silent_removal_value =
4740 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4741 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4742 }
4743
4744 for_each_eth_queue(bp, q) {
4745 /* Set the appropriate Queue object */
4746 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004747 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004748
4749 /* send the ramrod */
4750 rc = bnx2x_queue_state_change(bp, &queue_params);
4751 if (rc < 0)
4752 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4753 q);
4754 }
4755
4756#ifdef BCM_CNIC
4757 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004758 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004759 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004760
4761 /* clear pending completion bit */
4762 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4763
4764 /* mark latest Q bit */
4765 smp_mb__before_clear_bit();
4766 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4767 smp_mb__after_clear_bit();
4768
4769 /* send Q update ramrod for FCoE Q */
4770 rc = bnx2x_queue_state_change(bp, &queue_params);
4771 if (rc < 0)
4772 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4773 q);
4774 } else {
4775 /* If no FCoE ring - ACK MCP now */
4776 bnx2x_link_report(bp);
4777 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4778 }
4779#else
4780 /* If no FCoE ring - ACK MCP now */
4781 bnx2x_link_report(bp);
4782 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4783#endif /* BCM_CNIC */
4784}
4785
Eric Dumazet1191cb82012-04-27 21:39:21 +00004786static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004787 struct bnx2x *bp, u32 cid)
4788{
Joe Perches94f05b02011-08-14 12:16:20 +00004789 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004790#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004791 if (cid == BNX2X_FCOE_ETH_CID(bp))
Barak Witkowski15192a82012-06-19 07:48:28 +00004792 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004793 else
4794#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004795 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004796}
4797
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004798static void bnx2x_eq_int(struct bnx2x *bp)
4799{
4800 u16 hw_cons, sw_cons, sw_prod;
4801 union event_ring_elem *elem;
4802 u32 cid;
4803 u8 opcode;
4804 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004805 struct bnx2x_queue_sp_obj *q_obj;
4806 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4807 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004808
4809 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4810
4811 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4812 * when we get the the next-page we nned to adjust so the loop
4813 * condition below will be met. The next element is the size of a
4814 * regular element and hence incrementing by 1
4815 */
4816 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4817 hw_cons++;
4818
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004819 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004820 * specific bp, thus there is no need in "paired" read memory
4821 * barrier here.
4822 */
4823 sw_cons = bp->eq_cons;
4824 sw_prod = bp->eq_prod;
4825
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004826 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004827 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004828
4829 for (; sw_cons != hw_cons;
4830 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4831
4832
4833 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4834
4835 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4836 opcode = elem->message.opcode;
4837
4838
4839 /* handle eq element */
4840 switch (opcode) {
4841 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004842 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4843 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004844 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004845 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004846 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004847
4848 case EVENT_RING_OPCODE_CFC_DEL:
4849 /* handle according to cid range */
4850 /*
4851 * we may want to verify here that the bp state is
4852 * HALTING
4853 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004854 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004855 "got delete ramrod for MULTI[%d]\n", cid);
4856#ifdef BCM_CNIC
4857 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4858 goto next_spqe;
4859#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004860 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4861
4862 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4863 break;
4864
4865
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004866
4867 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004868
4869 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004870 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004871 if (f_obj->complete_cmd(bp, f_obj,
4872 BNX2X_F_CMD_TX_STOP))
4873 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004874 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4875 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004876
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004877 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004878 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004879 if (f_obj->complete_cmd(bp, f_obj,
4880 BNX2X_F_CMD_TX_START))
4881 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004882 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4883 goto next_spqe;
Barak Witkowskia3348722012-04-23 03:04:46 +00004884 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
4885 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4886 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4887 f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_AFEX_UPDATE);
4888
4889 /* We will perform the Queues update from sp_rtnl task
4890 * as all Queue SP operations should run under
4891 * rtnl_lock.
4892 */
4893 smp_mb__before_clear_bit();
4894 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4895 &bp->sp_rtnl_state);
4896 smp_mb__after_clear_bit();
4897
4898 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4899 goto next_spqe;
4900
4901 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4902 f_obj->complete_cmd(bp, f_obj,
4903 BNX2X_F_CMD_AFEX_VIFLISTS);
4904 bnx2x_after_afex_vif_lists(bp, elem);
4905 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004906 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004907 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4908 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004909 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4910 break;
4911
4912 goto next_spqe;
4913
4914 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004915 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4916 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004917 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4918 break;
4919
4920 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004921 }
4922
4923 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004924 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4925 BNX2X_STATE_OPEN):
4926 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004927 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004928 cid = elem->message.data.eth_event.echo &
4929 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004930 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004931 cid);
4932 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004933 break;
4934
4935 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4936 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004937 case (EVENT_RING_OPCODE_SET_MAC |
4938 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004939 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4940 BNX2X_STATE_OPEN):
4941 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4942 BNX2X_STATE_DIAG):
4943 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4944 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004945 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004946 bnx2x_handle_classification_eqe(bp, elem);
4947 break;
4948
4949 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4950 BNX2X_STATE_OPEN):
4951 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4952 BNX2X_STATE_DIAG):
4953 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4954 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004955 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004956 bnx2x_handle_mcast_eqe(bp);
4957 break;
4958
4959 case (EVENT_RING_OPCODE_FILTERS_RULES |
4960 BNX2X_STATE_OPEN):
4961 case (EVENT_RING_OPCODE_FILTERS_RULES |
4962 BNX2X_STATE_DIAG):
4963 case (EVENT_RING_OPCODE_FILTERS_RULES |
4964 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004965 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004966 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004967 break;
4968 default:
4969 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004970 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4971 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004972 }
4973next_spqe:
4974 spqe_cnt++;
4975 } /* for */
4976
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004977 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004978 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004979
4980 bp->eq_cons = sw_cons;
4981 bp->eq_prod = sw_prod;
4982 /* Make sure that above mem writes were issued towards the memory */
4983 smp_wmb();
4984
4985 /* update producer */
4986 bnx2x_update_eq_prod(bp, bp->eq_prod);
4987}
4988
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004989static void bnx2x_sp_task(struct work_struct *work)
4990{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004991 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004992 u16 status;
4993
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004994 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004995/* if (status == 0) */
4996/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004997
Merav Sicron51c1a582012-03-18 10:33:38 +00004998 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004999
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005000 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005001 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005002 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005003 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005004 }
5005
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005006 /* SP events: STAT_QUERY and others */
5007 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005008#ifdef BCM_CNIC
5009 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005010
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005011 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005012 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5013 /*
5014 * Prevent local bottom-halves from running as
5015 * we are going to change the local NAPI list.
5016 */
5017 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005018 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005019 local_bh_enable();
5020 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005021#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005022 /* Handle EQ completions */
5023 bnx2x_eq_int(bp);
5024
5025 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5026 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5027
5028 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005029 }
5030
5031 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005032 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005033 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005034
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005035 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5036 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005037
5038 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5039 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5040 &bp->sp_state)) {
5041 bnx2x_link_report(bp);
5042 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5043 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005044}
5045
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005046irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005047{
5048 struct net_device *dev = dev_instance;
5049 struct bnx2x *bp = netdev_priv(dev);
5050
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005051 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5052 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005053
5054#ifdef BNX2X_STOP_ON_ERROR
5055 if (unlikely(bp->panic))
5056 return IRQ_HANDLED;
5057#endif
5058
Michael Chan993ac7b2009-10-10 13:46:56 +00005059#ifdef BCM_CNIC
5060 {
5061 struct cnic_ops *c_ops;
5062
5063 rcu_read_lock();
5064 c_ops = rcu_dereference(bp->cnic_ops);
5065 if (c_ops)
5066 c_ops->cnic_handler(bp->cnic_data, NULL);
5067 rcu_read_unlock();
5068 }
5069#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005070 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005071
5072 return IRQ_HANDLED;
5073}
5074
5075/* end of slow path */
5076
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005077
5078void bnx2x_drv_pulse(struct bnx2x *bp)
5079{
5080 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5081 bp->fw_drv_pulse_wr_seq);
5082}
5083
5084
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005085static void bnx2x_timer(unsigned long data)
5086{
5087 struct bnx2x *bp = (struct bnx2x *) data;
5088
5089 if (!netif_running(bp->dev))
5090 return;
5091
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005092 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005093 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094 u32 drv_pulse;
5095 u32 mcp_pulse;
5096
5097 ++bp->fw_drv_pulse_wr_seq;
5098 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5099 /* TBD - add SYSTEM_TIME */
5100 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005101 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005102
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005103 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005104 MCP_PULSE_SEQ_MASK);
5105 /* The delta between driver pulse and mcp response
5106 * should be 1 (before mcp response) or 0 (after mcp response)
5107 */
5108 if ((drv_pulse != mcp_pulse) &&
5109 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5110 /* someone lost a heartbeat... */
5111 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5112 drv_pulse, mcp_pulse);
5113 }
5114 }
5115
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005116 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005117 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005119 mod_timer(&bp->timer, jiffies + bp->current_interval);
5120}
5121
5122/* end of Statistics */
5123
5124/* nic init */
5125
5126/*
5127 * nic init service functions
5128 */
5129
Eric Dumazet1191cb82012-04-27 21:39:21 +00005130static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005131{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005132 u32 i;
5133 if (!(len%4) && !(addr%4))
5134 for (i = 0; i < len; i += 4)
5135 REG_WR(bp, addr + i, fill);
5136 else
5137 for (i = 0; i < len; i++)
5138 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005140}
5141
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005142/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005143static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5144 int fw_sb_id,
5145 u32 *sb_data_p,
5146 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005147{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005148 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005149 for (index = 0; index < data_size; index++)
5150 REG_WR(bp, BAR_CSTRORM_INTMEM +
5151 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5152 sizeof(u32)*index,
5153 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005154}
5155
Eric Dumazet1191cb82012-04-27 21:39:21 +00005156static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005157{
5158 u32 *sb_data_p;
5159 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005160 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005161 struct hc_status_block_data_e1x sb_data_e1x;
5162
5163 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005164 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005165 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005166 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005167 sb_data_e2.common.p_func.vf_valid = false;
5168 sb_data_p = (u32 *)&sb_data_e2;
5169 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5170 } else {
5171 memset(&sb_data_e1x, 0,
5172 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005173 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005174 sb_data_e1x.common.p_func.vf_valid = false;
5175 sb_data_p = (u32 *)&sb_data_e1x;
5176 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5177 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005178 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5179
5180 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5181 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5182 CSTORM_STATUS_BLOCK_SIZE);
5183 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5184 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5185 CSTORM_SYNC_BLOCK_SIZE);
5186}
5187
5188/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005189static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005190 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005191{
5192 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005193 int i;
5194 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5195 REG_WR(bp, BAR_CSTRORM_INTMEM +
5196 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5197 i*sizeof(u32),
5198 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199}
5200
Eric Dumazet1191cb82012-04-27 21:39:21 +00005201static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005202{
5203 int func = BP_FUNC(bp);
5204 struct hc_sp_status_block_data sp_sb_data;
5205 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5206
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005207 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005208 sp_sb_data.p_func.vf_valid = false;
5209
5210 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5211
5212 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5213 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5214 CSTORM_SP_STATUS_BLOCK_SIZE);
5215 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5216 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5217 CSTORM_SP_SYNC_BLOCK_SIZE);
5218
5219}
5220
5221
Eric Dumazet1191cb82012-04-27 21:39:21 +00005222static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005223 int igu_sb_id, int igu_seg_id)
5224{
5225 hc_sm->igu_sb_id = igu_sb_id;
5226 hc_sm->igu_seg_id = igu_seg_id;
5227 hc_sm->timer_value = 0xFF;
5228 hc_sm->time_to_expire = 0xFFFFFFFF;
5229}
5230
David S. Miller8decf862011-09-22 03:23:13 -04005231
5232/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005233static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005234{
5235 /* zero out state machine indices */
5236 /* rx indices */
5237 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5238
5239 /* tx indices */
5240 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5241 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5242 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5243 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5244
5245 /* map indices */
5246 /* rx indices */
5247 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5248 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5249
5250 /* tx indices */
5251 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5252 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5253 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5254 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5255 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5256 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5257 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5258 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5259}
5260
stephen hemminger8d962862010-10-21 07:50:56 +00005261static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005262 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5263{
5264 int igu_seg_id;
5265
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005266 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005267 struct hc_status_block_data_e1x sb_data_e1x;
5268 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005269 int data_size;
5270 u32 *sb_data_p;
5271
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005272 if (CHIP_INT_MODE_IS_BC(bp))
5273 igu_seg_id = HC_SEG_ACCESS_NORM;
5274 else
5275 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005276
5277 bnx2x_zero_fp_sb(bp, fw_sb_id);
5278
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005279 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005280 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005281 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005282 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5283 sb_data_e2.common.p_func.vf_id = vfid;
5284 sb_data_e2.common.p_func.vf_valid = vf_valid;
5285 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5286 sb_data_e2.common.same_igu_sb_1b = true;
5287 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5288 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5289 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005290 sb_data_p = (u32 *)&sb_data_e2;
5291 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005292 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005293 } else {
5294 memset(&sb_data_e1x, 0,
5295 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005296 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005297 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5298 sb_data_e1x.common.p_func.vf_id = 0xff;
5299 sb_data_e1x.common.p_func.vf_valid = false;
5300 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5301 sb_data_e1x.common.same_igu_sb_1b = true;
5302 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5303 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5304 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005305 sb_data_p = (u32 *)&sb_data_e1x;
5306 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005307 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005308 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005309
5310 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5311 igu_sb_id, igu_seg_id);
5312 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5313 igu_sb_id, igu_seg_id);
5314
Merav Sicron51c1a582012-03-18 10:33:38 +00005315 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005316
5317 /* write indecies to HW */
5318 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5319}
5320
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005321static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005322 u16 tx_usec, u16 rx_usec)
5323{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005324 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005325 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005326 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5327 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5328 tx_usec);
5329 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5330 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5331 tx_usec);
5332 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5333 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5334 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005335}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005336
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005337static void bnx2x_init_def_sb(struct bnx2x *bp)
5338{
5339 struct host_sp_status_block *def_sb = bp->def_status_blk;
5340 dma_addr_t mapping = bp->def_status_blk_mapping;
5341 int igu_sp_sb_index;
5342 int igu_seg_id;
5343 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005344 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005345 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005346 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005347 int index;
5348 struct hc_sp_status_block_data sp_sb_data;
5349 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5350
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005351 if (CHIP_INT_MODE_IS_BC(bp)) {
5352 igu_sp_sb_index = DEF_SB_IGU_ID;
5353 igu_seg_id = HC_SEG_ACCESS_DEF;
5354 } else {
5355 igu_sp_sb_index = bp->igu_dsb_id;
5356 igu_seg_id = IGU_SEG_ACCESS_DEF;
5357 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358
5359 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005360 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005362 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005363
Eliezer Tamir49d66772008-02-28 11:53:13 -08005364 bp->attn_state = 0;
5365
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005366 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5367 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005368 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5369 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005370 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005371 int sindex;
5372 /* take care of sig[0]..sig[4] */
5373 for (sindex = 0; sindex < 4; sindex++)
5374 bp->attn_group[index].sig[sindex] =
5375 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005376
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005377 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005378 /*
5379 * enable5 is separate from the rest of the registers,
5380 * and therefore the address skip is 4
5381 * and not 16 between the different groups
5382 */
5383 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005384 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005385 else
5386 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005387 }
5388
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005389 if (bp->common.int_block == INT_BLOCK_HC) {
5390 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5391 HC_REG_ATTN_MSG0_ADDR_L);
5392
5393 REG_WR(bp, reg_offset, U64_LO(section));
5394 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005395 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005396 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5397 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5398 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005399
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005400 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5401 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005403 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005404
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005405 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005406 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5407 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5408 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5409 sp_sb_data.igu_seg_id = igu_seg_id;
5410 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005411 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005412 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005413
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005414 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005416 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005417}
5418
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005419void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005421 int i;
5422
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005423 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005424 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005425 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426}
5427
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428static void bnx2x_init_sp_ring(struct bnx2x *bp)
5429{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005430 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005431 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005432
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005433 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5435 bp->spq_prod_bd = bp->spq;
5436 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437}
5438
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005439static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440{
5441 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005442 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5443 union event_ring_elem *elem =
5444 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005445
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005446 elem->next_page.addr.hi =
5447 cpu_to_le32(U64_HI(bp->eq_mapping +
5448 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5449 elem->next_page.addr.lo =
5450 cpu_to_le32(U64_LO(bp->eq_mapping +
5451 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005452 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005453 bp->eq_cons = 0;
5454 bp->eq_prod = NUM_EQ_DESC;
5455 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005456 /* we want a warning message before it gets rought... */
5457 atomic_set(&bp->eq_spq_left,
5458 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005459}
5460
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005461
5462/* called with netif_addr_lock_bh() */
5463void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5464 unsigned long rx_mode_flags,
5465 unsigned long rx_accept_flags,
5466 unsigned long tx_accept_flags,
5467 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005468{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005469 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5470 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005471
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005472 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005473
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005474 /* Prepare ramrod parameters */
5475 ramrod_param.cid = 0;
5476 ramrod_param.cl_id = cl_id;
5477 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5478 ramrod_param.func_id = BP_FUNC(bp);
5479
5480 ramrod_param.pstate = &bp->sp_state;
5481 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5482
5483 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5484 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5485
5486 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5487
5488 ramrod_param.ramrod_flags = ramrod_flags;
5489 ramrod_param.rx_mode_flags = rx_mode_flags;
5490
5491 ramrod_param.rx_accept_flags = rx_accept_flags;
5492 ramrod_param.tx_accept_flags = tx_accept_flags;
5493
5494 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5495 if (rc < 0) {
5496 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5497 return;
5498 }
5499}
5500
5501/* called with netif_addr_lock_bh() */
5502void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5503{
5504 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5505 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5506
5507#ifdef BCM_CNIC
5508 if (!NO_FCOE(bp))
5509
5510 /* Configure rx_mode of FCoE Queue */
5511 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5512#endif
5513
5514 switch (bp->rx_mode) {
5515 case BNX2X_RX_MODE_NONE:
5516 /*
5517 * 'drop all' supersedes any accept flags that may have been
5518 * passed to the function.
5519 */
5520 break;
5521 case BNX2X_RX_MODE_NORMAL:
5522 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5523 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5524 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5525
5526 /* internal switching mode */
5527 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5528 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5529 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5530
5531 break;
5532 case BNX2X_RX_MODE_ALLMULTI:
5533 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5534 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5535 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5536
5537 /* internal switching mode */
5538 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5539 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5540 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5541
5542 break;
5543 case BNX2X_RX_MODE_PROMISC:
5544 /* According to deffinition of SI mode, iface in promisc mode
5545 * should receive matched and unmatched (in resolution of port)
5546 * unicast packets.
5547 */
5548 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5549 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5550 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5551 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5552
5553 /* internal switching mode */
5554 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5555 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5556
5557 if (IS_MF_SI(bp))
5558 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5559 else
5560 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5561
5562 break;
5563 default:
5564 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5565 return;
5566 }
5567
5568 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5569 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5570 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5571 }
5572
5573 __set_bit(RAMROD_RX, &ramrod_flags);
5574 __set_bit(RAMROD_TX, &ramrod_flags);
5575
5576 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5577 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005578}
5579
Eilon Greenstein471de712008-08-13 15:49:35 -07005580static void bnx2x_init_internal_common(struct bnx2x *bp)
5581{
5582 int i;
5583
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005584 if (IS_MF_SI(bp))
5585 /*
5586 * In switch independent mode, the TSTORM needs to accept
5587 * packets that failed classification, since approximate match
5588 * mac addresses aren't written to NIG LLH
5589 */
5590 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5591 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005592 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5593 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5594 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005595
Eilon Greenstein471de712008-08-13 15:49:35 -07005596 /* Zero this manually as its initialization is
5597 currently missing in the initTool */
5598 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5599 REG_WR(bp, BAR_USTRORM_INTMEM +
5600 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005601 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005602 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5603 CHIP_INT_MODE_IS_BC(bp) ?
5604 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5605 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005606}
5607
Eilon Greenstein471de712008-08-13 15:49:35 -07005608static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5609{
5610 switch (load_code) {
5611 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005612 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005613 bnx2x_init_internal_common(bp);
5614 /* no break */
5615
5616 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005617 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005618 /* no break */
5619
5620 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005621 /* internal memory per function is
5622 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005623 break;
5624
5625 default:
5626 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5627 break;
5628 }
5629}
5630
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005631static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5632{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005633 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005634}
5635
5636static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5637{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005638 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005639}
5640
Eric Dumazet1191cb82012-04-27 21:39:21 +00005641static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005642{
5643 if (CHIP_IS_E1x(fp->bp))
5644 return BP_L_ID(fp->bp) + fp->index;
5645 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5646 return bnx2x_fp_igu_sb_id(fp);
5647}
5648
Ariel Elior6383c0b2011-07-14 08:31:57 +00005649static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005650{
5651 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005652 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005653 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005654 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005655 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005656 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005657 fp->cl_id = bnx2x_fp_cl_id(fp);
5658 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5659 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005660 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005661 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5662
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005663 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005664 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005665
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005666 /* Setup SB indicies */
5667 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005668
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005669 /* Configure Queue State object */
5670 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5671 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005672
5673 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5674
5675 /* init tx data */
5676 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005677 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5678 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5679 FP_COS_TO_TXQ(fp, cos, bp),
5680 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5681 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005682 }
5683
Barak Witkowski15192a82012-06-19 07:48:28 +00005684 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5685 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005686 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005687
5688 /**
5689 * Configure classification DBs: Always enable Tx switching
5690 */
5691 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5692
Merav Sicron51c1a582012-03-18 10:33:38 +00005693 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 +03005694 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005695 fp->igu_sb_id);
5696 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5697 fp->fw_sb_id, fp->igu_sb_id);
5698
5699 bnx2x_update_fpsb_idx(fp);
5700}
5701
Eric Dumazet1191cb82012-04-27 21:39:21 +00005702static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5703{
5704 int i;
5705
5706 for (i = 1; i <= NUM_TX_RINGS; i++) {
5707 struct eth_tx_next_bd *tx_next_bd =
5708 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5709
5710 tx_next_bd->addr_hi =
5711 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5712 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5713 tx_next_bd->addr_lo =
5714 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5715 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5716 }
5717
5718 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5719 txdata->tx_db.data.zero_fill1 = 0;
5720 txdata->tx_db.data.prod = 0;
5721
5722 txdata->tx_pkt_prod = 0;
5723 txdata->tx_pkt_cons = 0;
5724 txdata->tx_bd_prod = 0;
5725 txdata->tx_bd_cons = 0;
5726 txdata->tx_pkt = 0;
5727}
5728
5729static void bnx2x_init_tx_rings(struct bnx2x *bp)
5730{
5731 int i;
5732 u8 cos;
5733
5734 for_each_tx_queue(bp, i)
5735 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005736 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005737}
5738
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005739void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005740{
5741 int i;
5742
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005743 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005744 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005745#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005746 if (!NO_FCOE(bp))
5747 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005748
5749 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5750 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005751 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005752
Michael Chan37b091b2009-10-10 13:46:55 +00005753#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005754
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005755 /* Initialize MOD_ABS interrupts */
5756 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5757 bp->common.shmem_base, bp->common.shmem2_base,
5758 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005759 /* ensure status block indices were read */
5760 rmb();
5761
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005762 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005763 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005764 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005765 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005766 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005767 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005768 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005769 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005770 bnx2x_stats_init(bp);
5771
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005772 /* flush all before enabling interrupts */
5773 mb();
5774 mmiowb();
5775
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005776 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005777
5778 /* Check for SPIO5 */
5779 bnx2x_attn_int_deasserted0(bp,
5780 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5781 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005782}
5783
5784/* end of nic init */
5785
5786/*
5787 * gzip service functions
5788 */
5789
5790static int bnx2x_gunzip_init(struct bnx2x *bp)
5791{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005792 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5793 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005794 if (bp->gunzip_buf == NULL)
5795 goto gunzip_nomem1;
5796
5797 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5798 if (bp->strm == NULL)
5799 goto gunzip_nomem2;
5800
David S. Miller7ab24bf2011-06-29 05:48:41 -07005801 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005802 if (bp->strm->workspace == NULL)
5803 goto gunzip_nomem3;
5804
5805 return 0;
5806
5807gunzip_nomem3:
5808 kfree(bp->strm);
5809 bp->strm = NULL;
5810
5811gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005812 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5813 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005814 bp->gunzip_buf = NULL;
5815
5816gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005817 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818 return -ENOMEM;
5819}
5820
5821static void bnx2x_gunzip_end(struct bnx2x *bp)
5822{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005823 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005824 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005825 kfree(bp->strm);
5826 bp->strm = NULL;
5827 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005828
5829 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005830 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5831 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005832 bp->gunzip_buf = NULL;
5833 }
5834}
5835
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005836static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005837{
5838 int n, rc;
5839
5840 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005841 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5842 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005843 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005844 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005845
5846 n = 10;
5847
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005848#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005849
5850 if (zbuf[3] & FNAME)
5851 while ((zbuf[n++] != 0) && (n < len));
5852
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005853 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005854 bp->strm->avail_in = len - n;
5855 bp->strm->next_out = bp->gunzip_buf;
5856 bp->strm->avail_out = FW_BUF_SIZE;
5857
5858 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5859 if (rc != Z_OK)
5860 return rc;
5861
5862 rc = zlib_inflate(bp->strm, Z_FINISH);
5863 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005864 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5865 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005866
5867 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5868 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005869 netdev_err(bp->dev,
5870 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005871 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005872 bp->gunzip_outlen >>= 2;
5873
5874 zlib_inflateEnd(bp->strm);
5875
5876 if (rc == Z_STREAM_END)
5877 return 0;
5878
5879 return rc;
5880}
5881
5882/* nic load/unload */
5883
5884/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005885 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005886 */
5887
5888/* send a NIG loopback debug packet */
5889static void bnx2x_lb_pckt(struct bnx2x *bp)
5890{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005891 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005892
5893 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005894 wb_write[0] = 0x55555555;
5895 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005896 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005897 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005898
5899 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005900 wb_write[0] = 0x09000000;
5901 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005902 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005903 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005904}
5905
5906/* some of the internal memories
5907 * are not directly readable from the driver
5908 * to test them we send debug packets
5909 */
5910static int bnx2x_int_mem_test(struct bnx2x *bp)
5911{
5912 int factor;
5913 int count, i;
5914 u32 val = 0;
5915
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005916 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005917 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005918 else if (CHIP_REV_IS_EMUL(bp))
5919 factor = 200;
5920 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005921 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923 /* Disable inputs of parser neighbor blocks */
5924 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5925 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5926 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005927 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005928
5929 /* Write 0 to parser credits for CFC search request */
5930 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5931
5932 /* send Ethernet packet */
5933 bnx2x_lb_pckt(bp);
5934
5935 /* TODO do i reset NIG statistic? */
5936 /* Wait until NIG register shows 1 packet of size 0x10 */
5937 count = 1000 * factor;
5938 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005939
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005940 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5941 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005942 if (val == 0x10)
5943 break;
5944
5945 msleep(10);
5946 count--;
5947 }
5948 if (val != 0x10) {
5949 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5950 return -1;
5951 }
5952
5953 /* Wait until PRS register shows 1 packet */
5954 count = 1000 * factor;
5955 while (count) {
5956 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005957 if (val == 1)
5958 break;
5959
5960 msleep(10);
5961 count--;
5962 }
5963 if (val != 0x1) {
5964 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5965 return -2;
5966 }
5967
5968 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005969 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005970 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005971 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005972 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005973 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5974 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975
5976 DP(NETIF_MSG_HW, "part2\n");
5977
5978 /* Disable inputs of parser neighbor blocks */
5979 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5980 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5981 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005982 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983
5984 /* Write 0 to parser credits for CFC search request */
5985 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5986
5987 /* send 10 Ethernet packets */
5988 for (i = 0; i < 10; i++)
5989 bnx2x_lb_pckt(bp);
5990
5991 /* Wait until NIG register shows 10 + 1
5992 packets of size 11*0x10 = 0xb0 */
5993 count = 1000 * factor;
5994 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005995
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005996 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5997 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998 if (val == 0xb0)
5999 break;
6000
6001 msleep(10);
6002 count--;
6003 }
6004 if (val != 0xb0) {
6005 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6006 return -3;
6007 }
6008
6009 /* Wait until PRS register shows 2 packets */
6010 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6011 if (val != 2)
6012 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6013
6014 /* Write 1 to parser credits for CFC search request */
6015 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6016
6017 /* Wait until PRS register shows 3 packets */
6018 msleep(10 * factor);
6019 /* Wait until NIG register shows 1 packet of size 0x10 */
6020 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6021 if (val != 3)
6022 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6023
6024 /* clear NIG EOP FIFO */
6025 for (i = 0; i < 11; i++)
6026 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6027 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6028 if (val != 1) {
6029 BNX2X_ERR("clear of NIG failed\n");
6030 return -4;
6031 }
6032
6033 /* Reset and init BRB, PRS, NIG */
6034 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6035 msleep(50);
6036 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6037 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006038 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6039 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006040#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006041 /* set NIC mode */
6042 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6043#endif
6044
6045 /* Enable inputs of parser neighbor blocks */
6046 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6047 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6048 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006049 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050
6051 DP(NETIF_MSG_HW, "done\n");
6052
6053 return 0; /* OK */
6054}
6055
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006056static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006057{
6058 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006059 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006060 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6061 else
6062 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6064 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006065 /*
6066 * mask read length error interrupts in brb for parser
6067 * (parsing unit and 'checksum and crc' unit)
6068 * these errors are legal (PU reads fixed length and CAC can cause
6069 * read length error on truncated packets)
6070 */
6071 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006072 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6073 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6074 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6075 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6076 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006077/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6078/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006079 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6080 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6081 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006082/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6083/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006084 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6085 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6086 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6087 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006088/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6089/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006090
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006091 if (CHIP_REV_IS_FPGA(bp))
6092 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006093 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006094 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6095 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6096 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6097 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6098 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6099 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006100 else
6101 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006102 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6103 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6104 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006105/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006106
6107 if (!CHIP_IS_E1x(bp))
6108 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6109 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6110
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6112 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006113/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006114 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115}
6116
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006117static void bnx2x_reset_common(struct bnx2x *bp)
6118{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006119 u32 val = 0x1400;
6120
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006121 /* reset_common */
6122 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6123 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006124
6125 if (CHIP_IS_E3(bp)) {
6126 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6127 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6128 }
6129
6130 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6131}
6132
6133static void bnx2x_setup_dmae(struct bnx2x *bp)
6134{
6135 bp->dmae_ready = 0;
6136 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006137}
6138
Eilon Greenstein573f2032009-08-12 08:24:14 +00006139static void bnx2x_init_pxp(struct bnx2x *bp)
6140{
6141 u16 devctl;
6142 int r_order, w_order;
6143
6144 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00006145 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006146 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6147 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6148 if (bp->mrrs == -1)
6149 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6150 else {
6151 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6152 r_order = bp->mrrs;
6153 }
6154
6155 bnx2x_init_pxp_arb(bp, r_order, w_order);
6156}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006157
6158static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6159{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006160 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006161 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006162 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006163
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006164 if (BP_NOMCP(bp))
6165 return;
6166
6167 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006168 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6169 SHARED_HW_CFG_FAN_FAILURE_MASK;
6170
6171 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6172 is_required = 1;
6173
6174 /*
6175 * The fan failure mechanism is usually related to the PHY type since
6176 * the power consumption of the board is affected by the PHY. Currently,
6177 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6178 */
6179 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6180 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006181 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006182 bnx2x_fan_failure_det_req(
6183 bp,
6184 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006185 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006186 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006187 }
6188
6189 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6190
6191 if (is_required == 0)
6192 return;
6193
6194 /* Fan failure is indicated by SPIO 5 */
6195 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6196 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6197
6198 /* set to active low mode */
6199 val = REG_RD(bp, MISC_REG_SPIO_INT);
6200 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006201 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006202 REG_WR(bp, MISC_REG_SPIO_INT, val);
6203
6204 /* enable interrupt to signal the IGU */
6205 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6206 val |= (1 << MISC_REGISTERS_SPIO_5);
6207 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6208}
6209
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006210static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6211{
6212 u32 offset = 0;
6213
6214 if (CHIP_IS_E1(bp))
6215 return;
6216 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6217 return;
6218
6219 switch (BP_ABS_FUNC(bp)) {
6220 case 0:
6221 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6222 break;
6223 case 1:
6224 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6225 break;
6226 case 2:
6227 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6228 break;
6229 case 3:
6230 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6231 break;
6232 case 4:
6233 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6234 break;
6235 case 5:
6236 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6237 break;
6238 case 6:
6239 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6240 break;
6241 case 7:
6242 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6243 break;
6244 default:
6245 return;
6246 }
6247
6248 REG_WR(bp, offset, pretend_func_num);
6249 REG_RD(bp, offset);
6250 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6251}
6252
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006253void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006254{
6255 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6256 val &= ~IGU_PF_CONF_FUNC_EN;
6257
6258 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6259 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6260 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6261}
6262
Eric Dumazet1191cb82012-04-27 21:39:21 +00006263static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006264{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006265 u32 shmem_base[2], shmem2_base[2];
6266 shmem_base[0] = bp->common.shmem_base;
6267 shmem2_base[0] = bp->common.shmem2_base;
6268 if (!CHIP_IS_E1x(bp)) {
6269 shmem_base[1] =
6270 SHMEM2_RD(bp, other_shmem_base_addr);
6271 shmem2_base[1] =
6272 SHMEM2_RD(bp, other_shmem2_base_addr);
6273 }
6274 bnx2x_acquire_phy_lock(bp);
6275 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6276 bp->common.chip_id);
6277 bnx2x_release_phy_lock(bp);
6278}
6279
6280/**
6281 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6282 *
6283 * @bp: driver handle
6284 */
6285static int bnx2x_init_hw_common(struct bnx2x *bp)
6286{
6287 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006288
Merav Sicron51c1a582012-03-18 10:33:38 +00006289 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006290
David S. Miller823dcd22011-08-20 10:39:12 -07006291 /*
6292 * take the UNDI lock to protect undi_unload flow from accessing
6293 * registers while we're resetting the chip
6294 */
David S. Miller8decf862011-09-22 03:23:13 -04006295 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006296
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006297 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006298 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006299
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006300 val = 0xfffc;
6301 if (CHIP_IS_E3(bp)) {
6302 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6303 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6304 }
6305 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006306
David S. Miller8decf862011-09-22 03:23:13 -04006307 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006308
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006309 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6310
6311 if (!CHIP_IS_E1x(bp)) {
6312 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006313
6314 /**
6315 * 4-port mode or 2-port mode we need to turn of master-enable
6316 * for everyone, after that, turn it back on for self.
6317 * so, we disregard multi-function or not, and always disable
6318 * for all functions on the given path, this means 0,2,4,6 for
6319 * path 0 and 1,3,5,7 for path 1
6320 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006321 for (abs_func_id = BP_PATH(bp);
6322 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6323 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006324 REG_WR(bp,
6325 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6326 1);
6327 continue;
6328 }
6329
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006330 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006331 /* clear pf enable */
6332 bnx2x_pf_disable(bp);
6333 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6334 }
6335 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006336
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006337 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 if (CHIP_IS_E1(bp)) {
6339 /* enable HW interrupt from PXP on USDM overflow
6340 bit 16 on INT_MASK_0 */
6341 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006342 }
6343
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006344 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006345 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006346
6347#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006348 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6349 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6350 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6351 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6352 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006353 /* make sure this value is 0 */
6354 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006355
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006356/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6357 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6358 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6359 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6360 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006361#endif
6362
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006363 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006365 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6366 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006367
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006368 /* let the HW do it's magic ... */
6369 msleep(100);
6370 /* finish PXP init */
6371 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6372 if (val != 1) {
6373 BNX2X_ERR("PXP2 CFG failed\n");
6374 return -EBUSY;
6375 }
6376 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6377 if (val != 1) {
6378 BNX2X_ERR("PXP2 RD_INIT failed\n");
6379 return -EBUSY;
6380 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006381
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006382 /* Timers bug workaround E2 only. We need to set the entire ILT to
6383 * have entries with value "0" and valid bit on.
6384 * This needs to be done by the first PF that is loaded in a path
6385 * (i.e. common phase)
6386 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006387 if (!CHIP_IS_E1x(bp)) {
6388/* In E2 there is a bug in the timers block that can cause function 6 / 7
6389 * (i.e. vnic3) to start even if it is marked as "scan-off".
6390 * This occurs when a different function (func2,3) is being marked
6391 * as "scan-off". Real-life scenario for example: if a driver is being
6392 * load-unloaded while func6,7 are down. This will cause the timer to access
6393 * the ilt, translate to a logical address and send a request to read/write.
6394 * Since the ilt for the function that is down is not valid, this will cause
6395 * a translation error which is unrecoverable.
6396 * The Workaround is intended to make sure that when this happens nothing fatal
6397 * will occur. The workaround:
6398 * 1. First PF driver which loads on a path will:
6399 * a. After taking the chip out of reset, by using pretend,
6400 * it will write "0" to the following registers of
6401 * the other vnics.
6402 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6403 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6404 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6405 * And for itself it will write '1' to
6406 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6407 * dmae-operations (writing to pram for example.)
6408 * note: can be done for only function 6,7 but cleaner this
6409 * way.
6410 * b. Write zero+valid to the entire ILT.
6411 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6412 * VNIC3 (of that port). The range allocated will be the
6413 * entire ILT. This is needed to prevent ILT range error.
6414 * 2. Any PF driver load flow:
6415 * a. ILT update with the physical addresses of the allocated
6416 * logical pages.
6417 * b. Wait 20msec. - note that this timeout is needed to make
6418 * sure there are no requests in one of the PXP internal
6419 * queues with "old" ILT addresses.
6420 * c. PF enable in the PGLC.
6421 * d. Clear the was_error of the PF in the PGLC. (could have
6422 * occured while driver was down)
6423 * e. PF enable in the CFC (WEAK + STRONG)
6424 * f. Timers scan enable
6425 * 3. PF driver unload flow:
6426 * a. Clear the Timers scan_en.
6427 * b. Polling for scan_on=0 for that PF.
6428 * c. Clear the PF enable bit in the PXP.
6429 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6430 * e. Write zero+valid to all ILT entries (The valid bit must
6431 * stay set)
6432 * f. If this is VNIC 3 of a port then also init
6433 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6434 * to the last enrty in the ILT.
6435 *
6436 * Notes:
6437 * Currently the PF error in the PGLC is non recoverable.
6438 * In the future the there will be a recovery routine for this error.
6439 * Currently attention is masked.
6440 * Having an MCP lock on the load/unload process does not guarantee that
6441 * there is no Timer disable during Func6/7 enable. This is because the
6442 * Timers scan is currently being cleared by the MCP on FLR.
6443 * Step 2.d can be done only for PF6/7 and the driver can also check if
6444 * there is error before clearing it. But the flow above is simpler and
6445 * more general.
6446 * All ILT entries are written by zero+valid and not just PF6/7
6447 * ILT entries since in the future the ILT entries allocation for
6448 * PF-s might be dynamic.
6449 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006450 struct ilt_client_info ilt_cli;
6451 struct bnx2x_ilt ilt;
6452 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6453 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6454
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006455 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006456 ilt_cli.start = 0;
6457 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6458 ilt_cli.client_num = ILT_CLIENT_TM;
6459
6460 /* Step 1: set zeroes to all ilt page entries with valid bit on
6461 * Step 2: set the timers first/last ilt entry to point
6462 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006463 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006464 *
6465 * both steps performed by call to bnx2x_ilt_client_init_op()
6466 * with dummy TM client
6467 *
6468 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6469 * and his brother are split registers
6470 */
6471 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6472 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6473 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6474
6475 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6476 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6477 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6478 }
6479
6480
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006481 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6482 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006483
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006484 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006485 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6486 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006487 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006488
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006489 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006490
6491 /* let the HW do it's magic ... */
6492 do {
6493 msleep(200);
6494 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6495 } while (factor-- && (val != 1));
6496
6497 if (val != 1) {
6498 BNX2X_ERR("ATC_INIT failed\n");
6499 return -EBUSY;
6500 }
6501 }
6502
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006503 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006504
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006505 /* clean the DMAE memory */
6506 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006507 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006508
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006509 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6510
6511 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6512
6513 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6514
6515 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006516
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006517 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6518 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6519 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6520 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6521
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006522 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006523
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006524
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006525 /* QM queues pointers table */
6526 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006527
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006528 /* soft reset pulse */
6529 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6530 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006531
Michael Chan37b091b2009-10-10 13:46:55 +00006532#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006533 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006534#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006535
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006536 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006537 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006538 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006539 /* enable hw interrupt from doorbell Q */
6540 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006541
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006542 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006543
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006544 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006545 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006546
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006547 if (!CHIP_IS_E1(bp))
6548 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6549
Barak Witkowskia3348722012-04-23 03:04:46 +00006550 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6551 if (IS_MF_AFEX(bp)) {
6552 /* configure that VNTag and VLAN headers must be
6553 * received in afex mode
6554 */
6555 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6556 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6557 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6558 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6559 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6560 } else {
6561 /* Bit-map indicating which L2 hdrs may appear
6562 * after the basic Ethernet header
6563 */
6564 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6565 bp->path_has_ovlan ? 7 : 6);
6566 }
6567 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006568
6569 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6570 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6571 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6572 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6573
6574 if (!CHIP_IS_E1x(bp)) {
6575 /* reset VFC memories */
6576 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6577 VFC_MEMORIES_RST_REG_CAM_RST |
6578 VFC_MEMORIES_RST_REG_RAM_RST);
6579 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6580 VFC_MEMORIES_RST_REG_CAM_RST |
6581 VFC_MEMORIES_RST_REG_RAM_RST);
6582
6583 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006584 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006585
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006586 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6587 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6588 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6589 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006590
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006591 /* sync semi rtc */
6592 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6593 0x80000000);
6594 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6595 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006596
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006597 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6598 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6599 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006600
Barak Witkowskia3348722012-04-23 03:04:46 +00006601 if (!CHIP_IS_E1x(bp)) {
6602 if (IS_MF_AFEX(bp)) {
6603 /* configure that VNTag and VLAN headers must be
6604 * sent in afex mode
6605 */
6606 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6607 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6608 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6609 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6610 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6611 } else {
6612 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6613 bp->path_has_ovlan ? 7 : 6);
6614 }
6615 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006616
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006617 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006618
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006619 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6620
Michael Chan37b091b2009-10-10 13:46:55 +00006621#ifdef BCM_CNIC
6622 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6623 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6624 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6625 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6626 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6627 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6628 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6629 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6630 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6631 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6632#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006633 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006634
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006635 if (sizeof(union cdu_context) != 1024)
6636 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006637 dev_alert(&bp->pdev->dev,
6638 "please adjust the size of cdu_context(%ld)\n",
6639 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006640
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006641 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006642 val = (4 << 24) + (0 << 12) + 1024;
6643 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006644
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006645 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006646 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006647 /* enable context validation interrupt from CFC */
6648 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6649
6650 /* set the thresholds to prevent CFC/CDU race */
6651 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006652
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006653 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006654
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006655 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006656 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6657
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006658 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6659 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006660
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006661 /* Reset PCIE errors for debug */
6662 REG_WR(bp, 0x2814, 0xffffffff);
6663 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006664
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006665 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006666 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6667 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6668 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6669 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6670 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6671 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6672 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6673 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6674 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6675 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6676 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6677 }
6678
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006679 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006680 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006681 /* in E3 this done in per-port section */
6682 if (!CHIP_IS_E3(bp))
6683 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6684 }
6685 if (CHIP_IS_E1H(bp))
6686 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006687 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006688
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006689 if (CHIP_REV_IS_SLOW(bp))
6690 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006692 /* finish CFC init */
6693 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6694 if (val != 1) {
6695 BNX2X_ERR("CFC LL_INIT failed\n");
6696 return -EBUSY;
6697 }
6698 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6699 if (val != 1) {
6700 BNX2X_ERR("CFC AC_INIT failed\n");
6701 return -EBUSY;
6702 }
6703 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6704 if (val != 1) {
6705 BNX2X_ERR("CFC CAM_INIT failed\n");
6706 return -EBUSY;
6707 }
6708 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006709
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006710 if (CHIP_IS_E1(bp)) {
6711 /* read NIG statistic
6712 to see if this is our first up since powerup */
6713 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6714 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006715
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006716 /* do internal memory self test */
6717 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6718 BNX2X_ERR("internal mem self test failed\n");
6719 return -EBUSY;
6720 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006721 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006722
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006723 bnx2x_setup_fan_failure_detection(bp);
6724
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006725 /* clear PXP2 attentions */
6726 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006727
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006728 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006729 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006730
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006731 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006732 if (CHIP_IS_E1x(bp))
6733 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006734 } else
6735 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6736
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006737 return 0;
6738}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006739
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006740/**
6741 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6742 *
6743 * @bp: driver handle
6744 */
6745static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6746{
6747 int rc = bnx2x_init_hw_common(bp);
6748
6749 if (rc)
6750 return rc;
6751
6752 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6753 if (!BP_NOMCP(bp))
6754 bnx2x__common_init_phy(bp);
6755
6756 return 0;
6757}
6758
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006759static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006760{
6761 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006762 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006763 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006764 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006766
Merav Sicron51c1a582012-03-18 10:33:38 +00006767 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006768
6769 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006771 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6772 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6773 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006774
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006775 /* Timers bug workaround: disables the pf_master bit in pglue at
6776 * common phase, we need to enable it here before any dmae access are
6777 * attempted. Therefore we manually added the enable-master to the
6778 * port phase (it also happens in the function phase)
6779 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006780 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006781 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6782
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006783 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6784 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6785 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6786 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6787
6788 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6789 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6790 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6791 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006792
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006793 /* QM cid (connection) count */
6794 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006795
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006796#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006797 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006798 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6799 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006800#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006801
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006802 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006803
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006804 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006805 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6806
6807 if (IS_MF(bp))
6808 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6809 else if (bp->dev->mtu > 4096) {
6810 if (bp->flags & ONE_PORT_FLAG)
6811 low = 160;
6812 else {
6813 val = bp->dev->mtu;
6814 /* (24*1024 + val*4)/256 */
6815 low = 96 + (val/64) +
6816 ((val % 64) ? 1 : 0);
6817 }
6818 } else
6819 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6820 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006821 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6822 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6823 }
6824
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006825 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006826 REG_WR(bp, (BP_PORT(bp) ?
6827 BRB1_REG_MAC_GUARANTIED_1 :
6828 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006829
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006830
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006831 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006832 if (CHIP_IS_E3B0(bp)) {
6833 if (IS_MF_AFEX(bp)) {
6834 /* configure headers for AFEX mode */
6835 REG_WR(bp, BP_PORT(bp) ?
6836 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6837 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6838 REG_WR(bp, BP_PORT(bp) ?
6839 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6840 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6841 REG_WR(bp, BP_PORT(bp) ?
6842 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6843 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6844 } else {
6845 /* Ovlan exists only if we are in multi-function +
6846 * switch-dependent mode, in switch-independent there
6847 * is no ovlan headers
6848 */
6849 REG_WR(bp, BP_PORT(bp) ?
6850 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6851 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6852 (bp->path_has_ovlan ? 7 : 6));
6853 }
6854 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006855
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006856 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6857 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6858 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6859 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6860
6861 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6862 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6863 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6864 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6865
6866 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6867 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6868
6869 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6870
6871 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006872 /* configure PBF to work without PAUSE mtu 9000 */
6873 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006874
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006875 /* update threshold */
6876 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6877 /* update init credit */
6878 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006879
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006880 /* probe changes */
6881 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6882 udelay(50);
6883 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6884 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006885
Michael Chan37b091b2009-10-10 13:46:55 +00006886#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006887 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006888#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006889 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6890 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006891
6892 if (CHIP_IS_E1(bp)) {
6893 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6894 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6895 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006896 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006897
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006898 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006899
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006900 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006901 /* init aeu_mask_attn_func_0/1:
6902 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6903 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6904 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006905 val = IS_MF(bp) ? 0xF7 : 0x7;
6906 /* Enable DCBX attention for all but E1 */
6907 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6908 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006909
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006910 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006911
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006912 if (!CHIP_IS_E1x(bp)) {
6913 /* Bit-map indicating which L2 hdrs may appear after the
6914 * basic Ethernet header
6915 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006916 if (IS_MF_AFEX(bp))
6917 REG_WR(bp, BP_PORT(bp) ?
6918 NIG_REG_P1_HDRS_AFTER_BASIC :
6919 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6920 else
6921 REG_WR(bp, BP_PORT(bp) ?
6922 NIG_REG_P1_HDRS_AFTER_BASIC :
6923 NIG_REG_P0_HDRS_AFTER_BASIC,
6924 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006925
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006926 if (CHIP_IS_E3(bp))
6927 REG_WR(bp, BP_PORT(bp) ?
6928 NIG_REG_LLH1_MF_MODE :
6929 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6930 }
6931 if (!CHIP_IS_E3(bp))
6932 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006933
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006934 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006935 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006936 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006937 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006938
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006939 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006940 val = 0;
6941 switch (bp->mf_mode) {
6942 case MULTI_FUNCTION_SD:
6943 val = 1;
6944 break;
6945 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006946 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006947 val = 2;
6948 break;
6949 }
6950
6951 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6952 NIG_REG_LLH0_CLS_TYPE), val);
6953 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006954 {
6955 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6956 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6957 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6958 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006959 }
6960
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006961
6962 /* If SPIO5 is set to generate interrupts, enable it for this port */
6963 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6964 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006965 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6966 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6967 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006968 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006969 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006970 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006972 return 0;
6973}
6974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006975static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6976{
6977 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006978 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006979
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006980 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006981 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006982 else
6983 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006984
Yuval Mintz32d68de2012-04-03 18:41:24 +00006985 wb_write[0] = ONCHIP_ADDR1(addr);
6986 wb_write[1] = ONCHIP_ADDR2(addr);
6987 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006988}
6989
Eric Dumazet1191cb82012-04-27 21:39:21 +00006990static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6991 u8 idu_sb_id, bool is_Pf)
6992{
6993 u32 data, ctl, cnt = 100;
6994 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
6995 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
6996 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
6997 u32 sb_bit = 1 << (idu_sb_id%32);
6998 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
6999 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7000
7001 /* Not supported in BC mode */
7002 if (CHIP_INT_MODE_IS_BC(bp))
7003 return;
7004
7005 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7006 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7007 IGU_REGULAR_CLEANUP_SET |
7008 IGU_REGULAR_BCLEANUP;
7009
7010 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7011 func_encode << IGU_CTRL_REG_FID_SHIFT |
7012 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7013
7014 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7015 data, igu_addr_data);
7016 REG_WR(bp, igu_addr_data, data);
7017 mmiowb();
7018 barrier();
7019 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7020 ctl, igu_addr_ctl);
7021 REG_WR(bp, igu_addr_ctl, ctl);
7022 mmiowb();
7023 barrier();
7024
7025 /* wait for clean up to finish */
7026 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7027 msleep(20);
7028
7029
7030 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7031 DP(NETIF_MSG_HW,
7032 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7033 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7034 }
7035}
7036
7037static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007038{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007039 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007040}
7041
Eric Dumazet1191cb82012-04-27 21:39:21 +00007042static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007043{
7044 u32 i, base = FUNC_ILT_BASE(func);
7045 for (i = base; i < base + ILT_PER_FUNC; i++)
7046 bnx2x_ilt_wr(bp, i, 0);
7047}
7048
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007049static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050{
7051 int port = BP_PORT(bp);
7052 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007053 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007054 struct bnx2x_ilt *ilt = BP_ILT(bp);
7055 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007056 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007057 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007058 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007059
Merav Sicron51c1a582012-03-18 10:33:38 +00007060 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007061
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007062 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007063 if (!CHIP_IS_E1x(bp)) {
7064 rc = bnx2x_pf_flr_clnup(bp);
7065 if (rc)
7066 return rc;
7067 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007068
Eilon Greenstein8badd272009-02-12 08:36:15 +00007069 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007070 if (bp->common.int_block == INT_BLOCK_HC) {
7071 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7072 val = REG_RD(bp, addr);
7073 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7074 REG_WR(bp, addr, val);
7075 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007076
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007077 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7078 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7079
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007080 ilt = BP_ILT(bp);
7081 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007082
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007083 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007084 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007085 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007086 bp->context[i].cxt_mapping;
7087 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007088 }
7089 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007090
Michael Chan37b091b2009-10-10 13:46:55 +00007091#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007092 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00007093
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007094 /* T1 hash bits value determines the T1 number of entries */
7095 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00007096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007097
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007098#ifndef BCM_CNIC
7099 /* set NIC mode */
7100 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7101#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007102
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007103 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007104 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7105
7106 /* Turn on a single ISR mode in IGU if driver is going to use
7107 * INT#x or MSI
7108 */
7109 if (!(bp->flags & USING_MSIX_FLAG))
7110 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7111 /*
7112 * Timers workaround bug: function init part.
7113 * Need to wait 20msec after initializing ILT,
7114 * needed to make sure there are no requests in
7115 * one of the PXP internal queues with "old" ILT addresses
7116 */
7117 msleep(20);
7118 /*
7119 * Master enable - Due to WB DMAE writes performed before this
7120 * register is re-initialized as part of the regular function
7121 * init
7122 */
7123 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7124 /* Enable the function in IGU */
7125 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7126 }
7127
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007128 bp->dmae_ready = 1;
7129
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007130 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007131
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007132 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007133 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7134
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007135 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7136 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7137 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7138 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7139 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7140 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7141 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7142 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7143 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7144 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7145 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7146 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7147 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007148
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007149 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007150 REG_WR(bp, QM_REG_PF_EN, 1);
7151
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007152 if (!CHIP_IS_E1x(bp)) {
7153 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7154 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7155 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7156 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7157 }
7158 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007159
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007160 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7161 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7162 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7163 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7164 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7165 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7166 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7167 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7168 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7169 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7170 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7171 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007172 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7173
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007174 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007175
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007176 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007177
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007178 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007179 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7180
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007181 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007182 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007183 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007184 }
7185
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007186 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007187
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007189 if (bp->common.int_block == INT_BLOCK_HC) {
7190 if (CHIP_IS_E1H(bp)) {
7191 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7192
7193 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7194 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7195 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007196 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007197
7198 } else {
7199 int num_segs, sb_idx, prod_offset;
7200
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007201 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7202
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007203 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007204 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7205 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7206 }
7207
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007208 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007209
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007210 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007211 int dsb_idx = 0;
7212 /**
7213 * Producer memory:
7214 * E2 mode: address 0-135 match to the mapping memory;
7215 * 136 - PF0 default prod; 137 - PF1 default prod;
7216 * 138 - PF2 default prod; 139 - PF3 default prod;
7217 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7218 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7219 * 144-147 reserved.
7220 *
7221 * E1.5 mode - In backward compatible mode;
7222 * for non default SB; each even line in the memory
7223 * holds the U producer and each odd line hold
7224 * the C producer. The first 128 producers are for
7225 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7226 * producers are for the DSB for each PF.
7227 * Each PF has five segments: (the order inside each
7228 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7229 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7230 * 144-147 attn prods;
7231 */
7232 /* non-default-status-blocks */
7233 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7234 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7235 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7236 prod_offset = (bp->igu_base_sb + sb_idx) *
7237 num_segs;
7238
7239 for (i = 0; i < num_segs; i++) {
7240 addr = IGU_REG_PROD_CONS_MEMORY +
7241 (prod_offset + i) * 4;
7242 REG_WR(bp, addr, 0);
7243 }
7244 /* send consumer update with value 0 */
7245 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7246 USTORM_ID, 0, IGU_INT_NOP, 1);
7247 bnx2x_igu_clear_sb(bp,
7248 bp->igu_base_sb + sb_idx);
7249 }
7250
7251 /* default-status-blocks */
7252 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7253 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7254
7255 if (CHIP_MODE_IS_4_PORT(bp))
7256 dsb_idx = BP_FUNC(bp);
7257 else
David S. Miller8decf862011-09-22 03:23:13 -04007258 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007259
7260 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7261 IGU_BC_BASE_DSB_PROD + dsb_idx :
7262 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7263
David S. Miller8decf862011-09-22 03:23:13 -04007264 /*
7265 * igu prods come in chunks of E1HVN_MAX (4) -
7266 * does not matters what is the current chip mode
7267 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007268 for (i = 0; i < (num_segs * E1HVN_MAX);
7269 i += E1HVN_MAX) {
7270 addr = IGU_REG_PROD_CONS_MEMORY +
7271 (prod_offset + i)*4;
7272 REG_WR(bp, addr, 0);
7273 }
7274 /* send consumer update with 0 */
7275 if (CHIP_INT_MODE_IS_BC(bp)) {
7276 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7277 USTORM_ID, 0, IGU_INT_NOP, 1);
7278 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7279 CSTORM_ID, 0, IGU_INT_NOP, 1);
7280 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7281 XSTORM_ID, 0, IGU_INT_NOP, 1);
7282 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7283 TSTORM_ID, 0, IGU_INT_NOP, 1);
7284 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7285 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7286 } else {
7287 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7288 USTORM_ID, 0, IGU_INT_NOP, 1);
7289 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7290 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7291 }
7292 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7293
7294 /* !!! these should become driver const once
7295 rf-tool supports split-68 const */
7296 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7297 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7298 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7299 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7300 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7301 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7302 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007303 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007304
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007305 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007306 REG_WR(bp, 0x2114, 0xffffffff);
7307 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007308
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007309 if (CHIP_IS_E1x(bp)) {
7310 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7311 main_mem_base = HC_REG_MAIN_MEMORY +
7312 BP_PORT(bp) * (main_mem_size * 4);
7313 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7314 main_mem_width = 8;
7315
7316 val = REG_RD(bp, main_mem_prty_clr);
7317 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007318 DP(NETIF_MSG_HW,
7319 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7320 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007321
7322 /* Clear "false" parity errors in MSI-X table */
7323 for (i = main_mem_base;
7324 i < main_mem_base + main_mem_size * 4;
7325 i += main_mem_width) {
7326 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7327 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7328 i, main_mem_width / 4);
7329 }
7330 /* Clear HC parity attention */
7331 REG_RD(bp, main_mem_prty_clr);
7332 }
7333
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007334#ifdef BNX2X_STOP_ON_ERROR
7335 /* Enable STORMs SP logging */
7336 REG_WR8(bp, BAR_USTRORM_INTMEM +
7337 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7338 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7339 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7340 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7341 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7342 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7343 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7344#endif
7345
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007346 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007348 return 0;
7349}
7350
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007351
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007352void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007353{
Merav Sicrona0529972012-06-19 07:48:25 +00007354 int i;
7355
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007356 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007357 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007358 /* end of fastpath */
7359
7360 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007361 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007363 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7364 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7365
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007366 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007367 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007368
Merav Sicrona0529972012-06-19 07:48:25 +00007369 for (i = 0; i < L2_ILT_LINES(bp); i++)
7370 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7371 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007372 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7373
7374 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007375
Michael Chan37b091b2009-10-10 13:46:55 +00007376#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007377 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007378 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7379 sizeof(struct host_hc_status_block_e2));
7380 else
7381 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7382 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007383
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007384 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007385#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007386
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007387 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007388
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007389 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7390 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007391}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007392
Eric Dumazet1191cb82012-04-27 21:39:21 +00007393static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007394{
7395 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007396 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007397
Barak Witkowski50f0a562011-12-05 21:52:23 +00007398 /* number of queues for statistics is number of eth queues + FCoE */
7399 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007400
7401 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007402 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7403 * num of queues
7404 */
7405 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007406
7407
7408 /* Request is built from stats_query_header and an array of
7409 * stats_query_cmd_group each of which contains
7410 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7411 * configured in the stats_query_header.
7412 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007413 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7414 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007415
7416 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7417 num_groups * sizeof(struct stats_query_cmd_group);
7418
7419 /* Data for statistics requests + stats_conter
7420 *
7421 * stats_counter holds per-STORM counters that are incremented
7422 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007423 *
7424 * memory for FCoE offloaded statistics are counted anyway,
7425 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007426 */
7427 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7428 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007429 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007430 sizeof(struct per_queue_stats) * num_queue_stats +
7431 sizeof(struct stats_counter);
7432
7433 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7434 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7435
7436 /* Set shortcuts */
7437 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7438 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7439
7440 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7441 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7442
7443 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7444 bp->fw_stats_req_sz;
7445 return 0;
7446
7447alloc_mem_err:
7448 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7449 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007450 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007451 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007452}
7453
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007454
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007455int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007456{
Merav Sicrona0529972012-06-19 07:48:25 +00007457 int i, allocated, context_size;
7458
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007459#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007460 if (!CHIP_IS_E1x(bp))
7461 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007462 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7463 sizeof(struct host_hc_status_block_e2));
7464 else
7465 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7466 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007467
7468 /* allocate searcher T2 table */
7469 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7470#endif
7471
7472
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007473 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007474 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007475
7476 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7477 sizeof(struct bnx2x_slowpath));
7478
Mintz Yuval82fa8482012-02-15 02:10:29 +00007479#ifdef BCM_CNIC
7480 /* write address to which L5 should insert its values */
7481 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7482#endif
7483
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007484 /* Allocated memory for FW statistics */
7485 if (bnx2x_alloc_fw_stats_mem(bp))
7486 goto alloc_mem_err;
7487
Merav Sicrona0529972012-06-19 07:48:25 +00007488 /* Allocate memory for CDU context:
7489 * This memory is allocated separately and not in the generic ILT
7490 * functions because CDU differs in few aspects:
7491 * 1. There are multiple entities allocating memory for context -
7492 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7493 * its own ILT lines.
7494 * 2. Since CDU page-size is not a single 4KB page (which is the case
7495 * for the other ILT clients), to be efficient we want to support
7496 * allocation of sub-page-size in the last entry.
7497 * 3. Context pointers are used by the driver to pass to FW / update
7498 * the context (for the other ILT clients the pointers are used just to
7499 * free the memory during unload).
7500 */
7501 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007502
Merav Sicrona0529972012-06-19 07:48:25 +00007503 for (i = 0, allocated = 0; allocated < context_size; i++) {
7504 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7505 (context_size - allocated));
7506 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7507 &bp->context[i].cxt_mapping,
7508 bp->context[i].size);
7509 allocated += bp->context[i].size;
7510 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007511 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007512
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007513 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7514 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007515
7516 /* Slow path ring */
7517 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7518
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007519 /* EQ */
7520 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7521 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007522
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007523
7524 /* fastpath */
7525 /* need to be done at the end, since it's self adjusting to amount
7526 * of memory available for RSS queues
7527 */
7528 if (bnx2x_alloc_fp_mem(bp))
7529 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007530 return 0;
7531
7532alloc_mem_err:
7533 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007534 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007535 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007536}
7537
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007538/*
7539 * Init service functions
7540 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007541
7542int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7543 struct bnx2x_vlan_mac_obj *obj, bool set,
7544 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007545{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007546 int rc;
7547 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007548
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007549 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007550
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007551 /* Fill general parameters */
7552 ramrod_param.vlan_mac_obj = obj;
7553 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007554
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007555 /* Fill a user request section if needed */
7556 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7557 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007558
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007559 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007560
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007561 /* Set the command: ADD or DEL */
7562 if (set)
7563 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7564 else
7565 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007566 }
7567
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007568 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7569 if (rc < 0)
7570 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7571 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007572}
7573
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007574int bnx2x_del_all_macs(struct bnx2x *bp,
7575 struct bnx2x_vlan_mac_obj *mac_obj,
7576 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007577{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007578 int rc;
7579 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7580
7581 /* Wait for completion of requested */
7582 if (wait_for_comp)
7583 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7584
7585 /* Set the mac type of addresses we want to clear */
7586 __set_bit(mac_type, &vlan_mac_flags);
7587
7588 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7589 if (rc < 0)
7590 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7591
7592 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007593}
7594
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007595int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007596{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007597 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007598
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007599#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +00007600 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7601 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007602 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7603 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007604 return 0;
7605 }
7606#endif
7607
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007608 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007609
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007610 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7611 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007612 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7613 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007614}
7615
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007616int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007617{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007618 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007619}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007620
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007621/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007622 * bnx2x_set_int_mode - configure interrupt mode
7623 *
7624 * @bp: driver handle
7625 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007626 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007627 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +00007628void bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007629{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007630 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007631 case INT_MODE_MSI:
7632 bnx2x_enable_msi(bp);
7633 /* falling through... */
7634 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007635 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Merav Sicron51c1a582012-03-18 10:33:38 +00007636 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007637 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007638 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007639 /* if we can't use MSI-X we only need one fp,
7640 * so try to enable MSI-X with the requested number of fp's
7641 * and fallback to MSI or legacy INTx with one fp
7642 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007643 if (bnx2x_enable_msix(bp) ||
7644 bp->flags & USING_SINGLE_MSIX_FLAG) {
7645 /* failed to enable multiple MSI-X */
7646 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00007647 bp->num_queues, 1 + NON_ETH_CONTEXT_USE);
7648
Ariel Elior6383c0b2011-07-14 08:31:57 +00007649 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007650
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007651 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007652 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7653 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007654 bnx2x_enable_msi(bp);
7655 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007656 break;
7657 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007658}
7659
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007660/* must be called prioir to any HW initializations */
7661static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7662{
7663 return L2_ILT_LINES(bp);
7664}
7665
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007666void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007667{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007668 struct ilt_client_info *ilt_client;
7669 struct bnx2x_ilt *ilt = BP_ILT(bp);
7670 u16 line = 0;
7671
7672 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7673 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7674
7675 /* CDU */
7676 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7677 ilt_client->client_num = ILT_CLIENT_CDU;
7678 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7679 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7680 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007681 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007682#ifdef BCM_CNIC
7683 line += CNIC_ILT_LINES;
7684#endif
7685 ilt_client->end = line - 1;
7686
Merav Sicron51c1a582012-03-18 10:33:38 +00007687 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 +00007688 ilt_client->start,
7689 ilt_client->end,
7690 ilt_client->page_size,
7691 ilt_client->flags,
7692 ilog2(ilt_client->page_size >> 12));
7693
7694 /* QM */
7695 if (QM_INIT(bp->qm_cid_count)) {
7696 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7697 ilt_client->client_num = ILT_CLIENT_QM;
7698 ilt_client->page_size = QM_ILT_PAGE_SZ;
7699 ilt_client->flags = 0;
7700 ilt_client->start = line;
7701
7702 /* 4 bytes for each cid */
7703 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7704 QM_ILT_PAGE_SZ);
7705
7706 ilt_client->end = line - 1;
7707
Merav Sicron51c1a582012-03-18 10:33:38 +00007708 DP(NETIF_MSG_IFUP,
7709 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007710 ilt_client->start,
7711 ilt_client->end,
7712 ilt_client->page_size,
7713 ilt_client->flags,
7714 ilog2(ilt_client->page_size >> 12));
7715
7716 }
7717 /* SRC */
7718 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7719#ifdef BCM_CNIC
7720 ilt_client->client_num = ILT_CLIENT_SRC;
7721 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7722 ilt_client->flags = 0;
7723 ilt_client->start = line;
7724 line += SRC_ILT_LINES;
7725 ilt_client->end = line - 1;
7726
Merav Sicron51c1a582012-03-18 10:33:38 +00007727 DP(NETIF_MSG_IFUP,
7728 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007729 ilt_client->start,
7730 ilt_client->end,
7731 ilt_client->page_size,
7732 ilt_client->flags,
7733 ilog2(ilt_client->page_size >> 12));
7734
7735#else
7736 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7737#endif
7738
7739 /* TM */
7740 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7741#ifdef BCM_CNIC
7742 ilt_client->client_num = ILT_CLIENT_TM;
7743 ilt_client->page_size = TM_ILT_PAGE_SZ;
7744 ilt_client->flags = 0;
7745 ilt_client->start = line;
7746 line += TM_ILT_LINES;
7747 ilt_client->end = line - 1;
7748
Merav Sicron51c1a582012-03-18 10:33:38 +00007749 DP(NETIF_MSG_IFUP,
7750 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007751 ilt_client->start,
7752 ilt_client->end,
7753 ilt_client->page_size,
7754 ilt_client->flags,
7755 ilog2(ilt_client->page_size >> 12));
7756
7757#else
7758 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7759#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007760 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007761}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007762
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007763/**
7764 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7765 *
7766 * @bp: driver handle
7767 * @fp: pointer to fastpath
7768 * @init_params: pointer to parameters structure
7769 *
7770 * parameters configured:
7771 * - HC configuration
7772 * - Queue's CDU context
7773 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007774static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007775 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007776{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007777
7778 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00007779 int cxt_index, cxt_offset;
7780
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007781 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7782 if (!IS_FCOE_FP(fp)) {
7783 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7784 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7785
7786 /* If HC is supporterd, enable host coalescing in the transition
7787 * to INIT state.
7788 */
7789 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7790 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7791
7792 /* HC rate */
7793 init_params->rx.hc_rate = bp->rx_ticks ?
7794 (1000000 / bp->rx_ticks) : 0;
7795 init_params->tx.hc_rate = bp->tx_ticks ?
7796 (1000000 / bp->tx_ticks) : 0;
7797
7798 /* FW SB ID */
7799 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7800 fp->fw_sb_id;
7801
7802 /*
7803 * CQ index among the SB indices: FCoE clients uses the default
7804 * SB, therefore it's different.
7805 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007806 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7807 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007808 }
7809
Ariel Elior6383c0b2011-07-14 08:31:57 +00007810 /* set maximum number of COSs supported by this queue */
7811 init_params->max_cos = fp->max_cos;
7812
Merav Sicron51c1a582012-03-18 10:33:38 +00007813 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007814 fp->index, init_params->max_cos);
7815
7816 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00007817 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00007818 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
7819 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00007820 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007821 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00007822 &bp->context[cxt_index].vcxt[cxt_offset].eth;
7823 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007824}
7825
Ariel Elior6383c0b2011-07-14 08:31:57 +00007826int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7827 struct bnx2x_queue_state_params *q_params,
7828 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7829 int tx_index, bool leading)
7830{
7831 memset(tx_only_params, 0, sizeof(*tx_only_params));
7832
7833 /* Set the command */
7834 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7835
7836 /* Set tx-only QUEUE flags: don't zero statistics */
7837 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7838
7839 /* choose the index of the cid to send the slow path on */
7840 tx_only_params->cid_index = tx_index;
7841
7842 /* Set general TX_ONLY_SETUP parameters */
7843 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7844
7845 /* Set Tx TX_ONLY_SETUP parameters */
7846 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7847
Merav Sicron51c1a582012-03-18 10:33:38 +00007848 DP(NETIF_MSG_IFUP,
7849 "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 +00007850 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7851 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7852 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7853
7854 /* send the ramrod */
7855 return bnx2x_queue_state_change(bp, q_params);
7856}
7857
7858
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007859/**
7860 * bnx2x_setup_queue - setup queue
7861 *
7862 * @bp: driver handle
7863 * @fp: pointer to fastpath
7864 * @leading: is leading
7865 *
7866 * This function performs 2 steps in a Queue state machine
7867 * actually: 1) RESET->INIT 2) INIT->SETUP
7868 */
7869
7870int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7871 bool leading)
7872{
Yuval Mintz3b603062012-03-18 10:33:39 +00007873 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007874 struct bnx2x_queue_setup_params *setup_params =
7875 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007876 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7877 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007878 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007879 u8 tx_index;
7880
Merav Sicron51c1a582012-03-18 10:33:38 +00007881 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007882
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007883 /* reset IGU state skip FCoE L2 queue */
7884 if (!IS_FCOE_FP(fp))
7885 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007886 IGU_INT_ENABLE, 0);
7887
Barak Witkowski15192a82012-06-19 07:48:28 +00007888 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007889 /* We want to wait for completion in this context */
7890 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007891
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007892 /* Prepare the INIT parameters */
7893 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007894
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007895 /* Set the command */
7896 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007897
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007898 /* Change the state to INIT */
7899 rc = bnx2x_queue_state_change(bp, &q_params);
7900 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007901 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007902 return rc;
7903 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007904
Merav Sicron51c1a582012-03-18 10:33:38 +00007905 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007906
7907
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007908 /* Now move the Queue to the SETUP state... */
7909 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007910
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007911 /* Set QUEUE flags */
7912 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007913
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007914 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007915 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7916 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007917
Ariel Elior6383c0b2011-07-14 08:31:57 +00007918 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007919 &setup_params->rxq_params);
7920
Ariel Elior6383c0b2011-07-14 08:31:57 +00007921 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7922 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007923
7924 /* Set the command */
7925 q_params.cmd = BNX2X_Q_CMD_SETUP;
7926
7927 /* Change the state to SETUP */
7928 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007929 if (rc) {
7930 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7931 return rc;
7932 }
7933
7934 /* loop through the relevant tx-only indices */
7935 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7936 tx_index < fp->max_cos;
7937 tx_index++) {
7938
7939 /* prepare and send tx-only ramrod*/
7940 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7941 tx_only_params, tx_index, leading);
7942 if (rc) {
7943 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7944 fp->index, tx_index);
7945 return rc;
7946 }
7947 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007948
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007949 return rc;
7950}
7951
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007952static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007953{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007954 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007955 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00007956 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007957 int rc, tx_index;
7958
Merav Sicron51c1a582012-03-18 10:33:38 +00007959 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007960
Barak Witkowski15192a82012-06-19 07:48:28 +00007961 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007962 /* We want to wait for completion in this context */
7963 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007964
Ariel Elior6383c0b2011-07-14 08:31:57 +00007965
7966 /* close tx-only connections */
7967 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7968 tx_index < fp->max_cos;
7969 tx_index++){
7970
7971 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00007972 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007973
Merav Sicron51c1a582012-03-18 10:33:38 +00007974 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007975 txdata->txq_index);
7976
7977 /* send halt terminate on tx-only connection */
7978 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7979 memset(&q_params.params.terminate, 0,
7980 sizeof(q_params.params.terminate));
7981 q_params.params.terminate.cid_index = tx_index;
7982
7983 rc = bnx2x_queue_state_change(bp, &q_params);
7984 if (rc)
7985 return rc;
7986
7987 /* send halt terminate on tx-only connection */
7988 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7989 memset(&q_params.params.cfc_del, 0,
7990 sizeof(q_params.params.cfc_del));
7991 q_params.params.cfc_del.cid_index = tx_index;
7992 rc = bnx2x_queue_state_change(bp, &q_params);
7993 if (rc)
7994 return rc;
7995 }
7996 /* Stop the primary connection: */
7997 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007998 q_params.cmd = BNX2X_Q_CMD_HALT;
7999 rc = bnx2x_queue_state_change(bp, &q_params);
8000 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008001 return rc;
8002
Ariel Elior6383c0b2011-07-14 08:31:57 +00008003 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008004 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008005 memset(&q_params.params.terminate, 0,
8006 sizeof(q_params.params.terminate));
8007 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008008 rc = bnx2x_queue_state_change(bp, &q_params);
8009 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008010 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008011 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008012 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008013 memset(&q_params.params.cfc_del, 0,
8014 sizeof(q_params.params.cfc_del));
8015 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008016 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008017}
8018
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008019
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008020static void bnx2x_reset_func(struct bnx2x *bp)
8021{
8022 int port = BP_PORT(bp);
8023 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008024 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008025
8026 /* Disable the function in the FW */
8027 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8028 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8029 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8030 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8031
8032 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008033 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008034 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008035 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008036 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8037 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008038 }
8039
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008040#ifdef BCM_CNIC
8041 /* CNIC SB */
8042 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8043 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
8044 SB_DISABLED);
8045#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008046 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008047 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008048 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8049 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008050
8051 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8052 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8053 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008055 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008056 if (bp->common.int_block == INT_BLOCK_HC) {
8057 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8058 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8059 } else {
8060 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8061 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8062 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008063
Michael Chan37b091b2009-10-10 13:46:55 +00008064#ifdef BCM_CNIC
8065 /* Disable Timer scan */
8066 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8067 /*
8068 * Wait for at least 10ms and up to 2 second for the timers scan to
8069 * complete
8070 */
8071 for (i = 0; i < 200; i++) {
8072 msleep(10);
8073 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8074 break;
8075 }
8076#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008077 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008078 bnx2x_clear_func_ilt(bp, func);
8079
8080 /* Timers workaround bug for E2: if this is vnic-3,
8081 * we need to set the entire ilt range for this timers.
8082 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008083 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008084 struct ilt_client_info ilt_cli;
8085 /* use dummy TM client */
8086 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8087 ilt_cli.start = 0;
8088 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8089 ilt_cli.client_num = ILT_CLIENT_TM;
8090
8091 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8092 }
8093
8094 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008095 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008096 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008097
8098 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008099}
8100
8101static void bnx2x_reset_port(struct bnx2x *bp)
8102{
8103 int port = BP_PORT(bp);
8104 u32 val;
8105
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008106 /* Reset physical Link */
8107 bnx2x__link_reset(bp);
8108
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008109 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8110
8111 /* Do not rcv packets to BRB */
8112 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8113 /* Do not direct rcv packets that are not for MCP to the BRB */
8114 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8115 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8116
8117 /* Configure AEU */
8118 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8119
8120 msleep(100);
8121 /* Check for BRB port occupancy */
8122 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8123 if (val)
8124 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008125 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008126
8127 /* TODO: Close Doorbell port? */
8128}
8129
Eric Dumazet1191cb82012-04-27 21:39:21 +00008130static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008131{
Yuval Mintz3b603062012-03-18 10:33:39 +00008132 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008133
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008134 /* Prepare parameters for function state transitions */
8135 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008136
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008137 func_params.f_obj = &bp->func_obj;
8138 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008139
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008140 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008141
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008142 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008143}
8144
Eric Dumazet1191cb82012-04-27 21:39:21 +00008145static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008146{
Yuval Mintz3b603062012-03-18 10:33:39 +00008147 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008148 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008150 /* Prepare parameters for function state transitions */
8151 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8152 func_params.f_obj = &bp->func_obj;
8153 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008154
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008155 /*
8156 * Try to stop the function the 'good way'. If fails (in case
8157 * of a parity error during bnx2x_chip_cleanup()) and we are
8158 * not in a debug mode, perform a state transaction in order to
8159 * enable further HW_RESET transaction.
8160 */
8161 rc = bnx2x_func_state_change(bp, &func_params);
8162 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008163#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008164 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008165#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008166 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008167 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8168 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008169#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008170 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008171
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008172 return 0;
8173}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008174
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008175/**
8176 * bnx2x_send_unload_req - request unload mode from the MCP.
8177 *
8178 * @bp: driver handle
8179 * @unload_mode: requested function's unload mode
8180 *
8181 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8182 */
8183u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8184{
8185 u32 reset_code = 0;
8186 int port = BP_PORT(bp);
8187
8188 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008189 if (unload_mode == UNLOAD_NORMAL)
8190 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008191
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008192 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008193 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008194
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008195 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008196 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008197 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008198 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008199 u16 pmc;
8200
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008202 * preserve entry 0 which is used by the PMF
8203 */
David S. Miller8decf862011-09-22 03:23:13 -04008204 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008205
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008206 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008207 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008208
8209 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8210 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008211 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008212
David S. Miller88c51002011-10-07 13:38:43 -04008213 /* Enable the PME and clear the status */
8214 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8215 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8216 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008218 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008219
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008220 } else
8221 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8222
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008223 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008224 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008225 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008226 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008227 int path = BP_PATH(bp);
8228
Merav Sicron51c1a582012-03-18 10:33:38 +00008229 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008230 path, load_count[path][0], load_count[path][1],
8231 load_count[path][2]);
8232 load_count[path][0]--;
8233 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008234 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008235 path, load_count[path][0], load_count[path][1],
8236 load_count[path][2]);
8237 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008238 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008239 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008240 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8241 else
8242 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8243 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008244
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008245 return reset_code;
8246}
8247
8248/**
8249 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8250 *
8251 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00008252 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008253 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008254void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008255{
Yuval Mintz5d07d862012-09-13 02:56:21 +00008256 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
8257
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008258 /* Report UNLOAD_DONE to MCP */
8259 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00008260 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008261}
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
Yuval Mintz5d07d862012-09-13 02:56:21 +00008329void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008330{
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);
Merav Sicron26614ba2012-08-27 03:26:19 +00008438 /* Delete all NAPI objects */
8439 bnx2x_del_all_napi(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008440
8441 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008442 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008443
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008444 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008445 rc = bnx2x_reset_hw(bp, reset_code);
8446 if (rc)
8447 BNX2X_ERR("HW_RESET failed\n");
8448
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008449
8450 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008451 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008452}
8453
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008454void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008455{
8456 u32 val;
8457
Merav Sicron51c1a582012-03-18 10:33:38 +00008458 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008459
8460 if (CHIP_IS_E1(bp)) {
8461 int port = BP_PORT(bp);
8462 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8463 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8464
8465 val = REG_RD(bp, addr);
8466 val &= ~(0x300);
8467 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008468 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008469 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8470 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8471 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8472 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8473 }
8474}
8475
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008476/* Close gates #2, #3 and #4: */
8477static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8478{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008479 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008480
8481 /* Gates #2 and #4a are closed/opened for "not E1" only */
8482 if (!CHIP_IS_E1(bp)) {
8483 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008484 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008485 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008486 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008487 }
8488
8489 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008490 if (CHIP_IS_E1x(bp)) {
8491 /* Prevent interrupts from HC on both ports */
8492 val = REG_RD(bp, HC_REG_CONFIG_1);
8493 REG_WR(bp, HC_REG_CONFIG_1,
8494 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8495 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8496
8497 val = REG_RD(bp, HC_REG_CONFIG_0);
8498 REG_WR(bp, HC_REG_CONFIG_0,
8499 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8500 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8501 } else {
8502 /* Prevent incomming interrupts in IGU */
8503 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8504
8505 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8506 (!close) ?
8507 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8508 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8509 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008510
Merav Sicron51c1a582012-03-18 10:33:38 +00008511 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008512 close ? "closing" : "opening");
8513 mmiowb();
8514}
8515
8516#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8517
8518static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8519{
8520 /* Do some magic... */
8521 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8522 *magic_val = val & SHARED_MF_CLP_MAGIC;
8523 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8524}
8525
Dmitry Kravkove8920672011-05-04 23:52:40 +00008526/**
8527 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008528 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008529 * @bp: driver handle
8530 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008531 */
8532static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8533{
8534 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008535 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8536 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8537 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8538}
8539
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008540/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008541 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008542 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008543 * @bp: driver handle
8544 * @magic_val: old value of 'magic' bit.
8545 *
8546 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008547 */
8548static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8549{
8550 u32 shmem;
8551 u32 validity_offset;
8552
Merav Sicron51c1a582012-03-18 10:33:38 +00008553 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008554
8555 /* Set `magic' bit in order to save MF config */
8556 if (!CHIP_IS_E1(bp))
8557 bnx2x_clp_reset_prep(bp, magic_val);
8558
8559 /* Get shmem offset */
8560 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8561 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8562
8563 /* Clear validity map flags */
8564 if (shmem > 0)
8565 REG_WR(bp, shmem + validity_offset, 0);
8566}
8567
8568#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8569#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8570
Dmitry Kravkove8920672011-05-04 23:52:40 +00008571/**
8572 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008573 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008574 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008575 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008576static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008577{
8578 /* special handling for emulation and FPGA,
8579 wait 10 times longer */
8580 if (CHIP_REV_IS_SLOW(bp))
8581 msleep(MCP_ONE_TIMEOUT*10);
8582 else
8583 msleep(MCP_ONE_TIMEOUT);
8584}
8585
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008586/*
8587 * initializes bp->common.shmem_base and waits for validity signature to appear
8588 */
8589static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008590{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008591 int cnt = 0;
8592 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008593
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008594 do {
8595 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8596 if (bp->common.shmem_base) {
8597 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8598 if (val & SHR_MEM_VALIDITY_MB)
8599 return 0;
8600 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008601
8602 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008603
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008604 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008605
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008606 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008607
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008608 return -ENODEV;
8609}
8610
8611static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8612{
8613 int rc = bnx2x_init_shmem(bp);
8614
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008615 /* Restore the `magic' bit value */
8616 if (!CHIP_IS_E1(bp))
8617 bnx2x_clp_reset_done(bp, magic_val);
8618
8619 return rc;
8620}
8621
8622static void bnx2x_pxp_prep(struct bnx2x *bp)
8623{
8624 if (!CHIP_IS_E1(bp)) {
8625 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8626 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008627 mmiowb();
8628 }
8629}
8630
8631/*
8632 * Reset the whole chip except for:
8633 * - PCIE core
8634 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8635 * one reset bit)
8636 * - IGU
8637 * - MISC (including AEU)
8638 * - GRC
8639 * - RBCN, RBCP
8640 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008641static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008642{
8643 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008644 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008645
8646 /*
8647 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8648 * (per chip) blocks.
8649 */
8650 global_bits2 =
8651 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8652 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008653
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008654 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008655 not_reset_mask1 =
8656 MISC_REGISTERS_RESET_REG_1_RST_HC |
8657 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8658 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8659
8660 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008661 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008662 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8663 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8664 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8665 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8666 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8667 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008668 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8669 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8670 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008671
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008672 /*
8673 * Keep the following blocks in reset:
8674 * - all xxMACs are handled by the bnx2x_link code.
8675 */
8676 stay_reset2 =
8677 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8678 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8679 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8680 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8681 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8682 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8683 MISC_REGISTERS_RESET_REG_2_XMAC |
8684 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8685
8686 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008687 reset_mask1 = 0xffffffff;
8688
8689 if (CHIP_IS_E1(bp))
8690 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008691 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008692 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008693 else if (CHIP_IS_E2(bp))
8694 reset_mask2 = 0xfffff;
8695 else /* CHIP_IS_E3 */
8696 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008697
8698 /* Don't reset global blocks unless we need to */
8699 if (!global)
8700 reset_mask2 &= ~global_bits2;
8701
8702 /*
8703 * In case of attention in the QM, we need to reset PXP
8704 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8705 * because otherwise QM reset would release 'close the gates' shortly
8706 * before resetting the PXP, then the PSWRQ would send a write
8707 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8708 * read the payload data from PSWWR, but PSWWR would not
8709 * respond. The write queue in PGLUE would stuck, dmae commands
8710 * would not return. Therefore it's important to reset the second
8711 * reset register (containing the
8712 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8713 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8714 * bit).
8715 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008716 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8717 reset_mask2 & (~not_reset_mask2));
8718
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008719 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8720 reset_mask1 & (~not_reset_mask1));
8721
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008722 barrier();
8723 mmiowb();
8724
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008725 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8726 reset_mask2 & (~stay_reset2));
8727
8728 barrier();
8729 mmiowb();
8730
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008731 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008732 mmiowb();
8733}
8734
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008735/**
8736 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8737 * It should get cleared in no more than 1s.
8738 *
8739 * @bp: driver handle
8740 *
8741 * It should get cleared in no more than 1s. Returns 0 if
8742 * pending writes bit gets cleared.
8743 */
8744static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8745{
8746 u32 cnt = 1000;
8747 u32 pend_bits = 0;
8748
8749 do {
8750 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8751
8752 if (pend_bits == 0)
8753 break;
8754
8755 usleep_range(1000, 1000);
8756 } while (cnt-- > 0);
8757
8758 if (cnt <= 0) {
8759 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8760 pend_bits);
8761 return -EBUSY;
8762 }
8763
8764 return 0;
8765}
8766
8767static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008768{
8769 int cnt = 1000;
8770 u32 val = 0;
8771 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8772
8773
8774 /* Empty the Tetris buffer, wait for 1s */
8775 do {
8776 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8777 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8778 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8779 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8780 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8781 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8782 ((port_is_idle_0 & 0x1) == 0x1) &&
8783 ((port_is_idle_1 & 0x1) == 0x1) &&
8784 (pgl_exp_rom2 == 0xffffffff))
8785 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008786 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008787 } while (cnt-- > 0);
8788
8789 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008790 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8791 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 +00008792 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8793 pgl_exp_rom2);
8794 return -EAGAIN;
8795 }
8796
8797 barrier();
8798
8799 /* Close gates #2, #3 and #4 */
8800 bnx2x_set_234_gates(bp, true);
8801
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008802 /* Poll for IGU VQs for 57712 and newer chips */
8803 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8804 return -EAGAIN;
8805
8806
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008807 /* TBD: Indicate that "process kill" is in progress to MCP */
8808
8809 /* Clear "unprepared" bit */
8810 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8811 barrier();
8812
8813 /* Make sure all is written to the chip before the reset */
8814 mmiowb();
8815
8816 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8817 * PSWHST, GRC and PSWRD Tetris buffer.
8818 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008819 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008820
8821 /* Prepare to chip reset: */
8822 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008823 if (global)
8824 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008825
8826 /* PXP */
8827 bnx2x_pxp_prep(bp);
8828 barrier();
8829
8830 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008831 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008832 barrier();
8833
8834 /* Recover after reset: */
8835 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008836 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008837 return -EAGAIN;
8838
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008839 /* TBD: Add resetting the NO_MCP mode DB here */
8840
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008841 /* PXP */
8842 bnx2x_pxp_prep(bp);
8843
8844 /* Open the gates #2, #3 and #4 */
8845 bnx2x_set_234_gates(bp, false);
8846
8847 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8848 * reset state, re-enable attentions. */
8849
8850 return 0;
8851}
8852
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008853int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008854{
8855 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008856 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008857 u32 load_code;
8858
8859 /* if not going to reset MCP - load "fake" driver to reset HW while
8860 * driver is owner of the HW
8861 */
8862 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00008863 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
8864 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008865 if (!load_code) {
8866 BNX2X_ERR("MCP response failure, aborting\n");
8867 rc = -EAGAIN;
8868 goto exit_leader_reset;
8869 }
8870 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8871 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8872 BNX2X_ERR("MCP unexpected resp, aborting\n");
8873 rc = -EAGAIN;
8874 goto exit_leader_reset2;
8875 }
8876 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8877 if (!load_code) {
8878 BNX2X_ERR("MCP response failure, aborting\n");
8879 rc = -EAGAIN;
8880 goto exit_leader_reset2;
8881 }
8882 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008883
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008884 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008885 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008886 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
8887 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008888 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008889 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008890 }
8891
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008892 /*
8893 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8894 * state.
8895 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008896 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008897 if (global)
8898 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008899
Ariel Elior95c6c6162012-01-26 06:01:52 +00008900exit_leader_reset2:
8901 /* unload "fake driver" if it was loaded */
8902 if (!global && !BP_NOMCP(bp)) {
8903 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8904 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8905 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008906exit_leader_reset:
8907 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008908 bnx2x_release_leader_lock(bp);
8909 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008910 return rc;
8911}
8912
Eric Dumazet1191cb82012-04-27 21:39:21 +00008913static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008914{
8915 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8916
8917 /* Disconnect this device */
8918 netif_device_detach(bp->dev);
8919
8920 /*
8921 * Block ifup for all function on this engine until "process kill"
8922 * or power cycle.
8923 */
8924 bnx2x_set_reset_in_progress(bp);
8925
8926 /* Shut down the power */
8927 bnx2x_set_power_state(bp, PCI_D3hot);
8928
8929 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8930
8931 smp_mb();
8932}
8933
8934/*
8935 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008936 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008937 * will never be called when netif_running(bp->dev) is false.
8938 */
8939static void bnx2x_parity_recover(struct bnx2x *bp)
8940{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008941 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008942 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008943 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008944
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008945 DP(NETIF_MSG_HW, "Handling parity\n");
8946 while (1) {
8947 switch (bp->recovery_state) {
8948 case BNX2X_RECOVERY_INIT:
8949 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008950 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8951 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008952
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008953 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008954 if (bnx2x_trylock_leader_lock(bp)) {
8955 bnx2x_set_reset_in_progress(bp);
8956 /*
8957 * Check if there is a global attention and if
8958 * there was a global attention, set the global
8959 * reset bit.
8960 */
8961
8962 if (global)
8963 bnx2x_set_reset_global(bp);
8964
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008965 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008966 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008967
8968 /* Stop the driver */
8969 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008970 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008971 return;
8972
8973 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008974
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008975 /* Ensure "is_leader", MCP command sequence and
8976 * "recovery_state" update values are seen on other
8977 * CPUs.
8978 */
8979 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008980 break;
8981
8982 case BNX2X_RECOVERY_WAIT:
8983 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8984 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008985 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008986 bool other_load_status =
8987 bnx2x_get_load_status(bp, other_engine);
8988 bool load_status =
8989 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008990 global = bnx2x_reset_is_global(bp);
8991
8992 /*
8993 * In case of a parity in a global block, let
8994 * the first leader that performs a
8995 * leader_reset() reset the global blocks in
8996 * order to clear global attentions. Otherwise
8997 * the the gates will remain closed for that
8998 * engine.
8999 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009000 if (load_status ||
9001 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009002 /* Wait until all other functions get
9003 * down.
9004 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009005 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009006 HZ/10);
9007 return;
9008 } else {
9009 /* If all other functions got down -
9010 * try to bring the chip back to
9011 * normal. In any case it's an exit
9012 * point for a leader.
9013 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009014 if (bnx2x_leader_reset(bp)) {
9015 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009016 return;
9017 }
9018
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009019 /* If we are here, means that the
9020 * leader has succeeded and doesn't
9021 * want to be a leader any more. Try
9022 * to continue as a none-leader.
9023 */
9024 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009025 }
9026 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009027 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009028 /* Try to get a LEADER_LOCK HW lock as
9029 * long as a former leader may have
9030 * been unloaded by the user or
9031 * released a leadership by another
9032 * reason.
9033 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009034 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009035 /* I'm a leader now! Restart a
9036 * switch case.
9037 */
9038 bp->is_leader = 1;
9039 break;
9040 }
9041
Ariel Elior7be08a72011-07-14 08:31:19 +00009042 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009043 HZ/10);
9044 return;
9045
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009046 } else {
9047 /*
9048 * If there was a global attention, wait
9049 * for it to be cleared.
9050 */
9051 if (bnx2x_reset_is_global(bp)) {
9052 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009053 &bp->sp_rtnl_task,
9054 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009055 return;
9056 }
9057
Ariel Elior7a752992012-01-26 06:01:53 +00009058 error_recovered =
9059 bp->eth_stats.recoverable_error;
9060 error_unrecovered =
9061 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009062 bp->recovery_state =
9063 BNX2X_RECOVERY_NIC_LOADING;
9064 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009065 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009066 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009067 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009068 /* Disconnect this device */
9069 netif_device_detach(bp->dev);
9070 /* Shut down the power */
9071 bnx2x_set_power_state(
9072 bp, PCI_D3hot);
9073 smp_mb();
9074 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009075 bp->recovery_state =
9076 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009077 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009078 smp_mb();
9079 }
Ariel Elior7a752992012-01-26 06:01:53 +00009080 bp->eth_stats.recoverable_error =
9081 error_recovered;
9082 bp->eth_stats.unrecoverable_error =
9083 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009084
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009085 return;
9086 }
9087 }
9088 default:
9089 return;
9090 }
9091 }
9092}
9093
Michal Schmidt56ad3152012-02-16 02:38:48 +00009094static int bnx2x_close(struct net_device *dev);
9095
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009096/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9097 * scheduled on a general queue in order to prevent a dead lock.
9098 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009099static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009100{
Ariel Elior7be08a72011-07-14 08:31:19 +00009101 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009102
9103 rtnl_lock();
9104
9105 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009106 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009107
Ariel Elior7be08a72011-07-14 08:31:19 +00009108 /* if stop on error is defined no recovery flows should be executed */
9109#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009110 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 +00009111 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009112 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009113#endif
9114
9115 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9116 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009117 * Clear all pending SP commands as we are going to reset the
9118 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009119 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009120 bp->sp_rtnl_state = 0;
9121 smp_mb();
9122
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009123 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009124
9125 goto sp_rtnl_exit;
9126 }
9127
9128 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9129 /*
9130 * Clear all pending SP commands as we are going to reset the
9131 * function anyway.
9132 */
9133 bp->sp_rtnl_state = 0;
9134 smp_mb();
9135
Yuval Mintz5d07d862012-09-13 02:56:21 +00009136 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009137 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009138
9139 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009140 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009141#ifdef BNX2X_STOP_ON_ERROR
9142sp_rtnl_not_reset:
9143#endif
9144 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9145 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009146 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9147 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009148 /*
9149 * in case of fan failure we need to reset id if the "stop on error"
9150 * debug flag is set, since we trying to prevent permanent overheating
9151 * damage
9152 */
9153 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009154 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009155 netif_device_detach(bp->dev);
9156 bnx2x_close(bp->dev);
9157 }
9158
Ariel Elior7be08a72011-07-14 08:31:19 +00009159sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009160 rtnl_unlock();
9161}
9162
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009163/* end of nic load/unload */
9164
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009165static void bnx2x_period_task(struct work_struct *work)
9166{
9167 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9168
9169 if (!netif_running(bp->dev))
9170 goto period_task_exit;
9171
9172 if (CHIP_REV_IS_SLOW(bp)) {
9173 BNX2X_ERR("period task called on emulation, ignoring\n");
9174 goto period_task_exit;
9175 }
9176
9177 bnx2x_acquire_phy_lock(bp);
9178 /*
9179 * The barrier is needed to ensure the ordering between the writing to
9180 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9181 * the reading here.
9182 */
9183 smp_mb();
9184 if (bp->port.pmf) {
9185 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9186
9187 /* Re-queue task in 1 sec */
9188 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9189 }
9190
9191 bnx2x_release_phy_lock(bp);
9192period_task_exit:
9193 return;
9194}
9195
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009196/*
9197 * Init service functions
9198 */
9199
stephen hemminger8d962862010-10-21 07:50:56 +00009200static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009201{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009202 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9203 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9204 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009205}
9206
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009207static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009208{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009209 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009210
9211 /* Flush all outstanding writes */
9212 mmiowb();
9213
9214 /* Pretend to be function 0 */
9215 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009216 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009217
9218 /* From now we are in the "like-E1" mode */
9219 bnx2x_int_disable(bp);
9220
9221 /* Flush all outstanding writes */
9222 mmiowb();
9223
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009224 /* Restore the original function */
9225 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9226 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009227}
9228
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009229static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009230{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009231 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009232 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009233 else
9234 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009235}
9236
Yuval Mintz452427b2012-03-26 20:47:07 +00009237static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009238{
Yuval Mintz452427b2012-03-26 20:47:07 +00009239 u32 val, base_addr, offset, mask, reset_reg;
9240 bool mac_stopped = false;
9241 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009242
Yuval Mintz452427b2012-03-26 20:47:07 +00009243 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009244
Yuval Mintz452427b2012-03-26 20:47:07 +00009245 if (!CHIP_IS_E3(bp)) {
9246 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9247 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9248 if ((mask & reset_reg) && val) {
9249 u32 wb_data[2];
9250 BNX2X_DEV_INFO("Disable bmac Rx\n");
9251 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9252 : NIG_REG_INGRESS_BMAC0_MEM;
9253 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9254 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009255
Yuval Mintz452427b2012-03-26 20:47:07 +00009256 /*
9257 * use rd/wr since we cannot use dmae. This is safe
9258 * since MCP won't access the bus due to the request
9259 * to unload, and no function on the path can be
9260 * loaded at this time.
9261 */
9262 wb_data[0] = REG_RD(bp, base_addr + offset);
9263 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9264 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9265 REG_WR(bp, base_addr + offset, wb_data[0]);
9266 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009267
Yuval Mintz452427b2012-03-26 20:47:07 +00009268 }
9269 BNX2X_DEV_INFO("Disable emac Rx\n");
9270 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009271
Yuval Mintz452427b2012-03-26 20:47:07 +00009272 mac_stopped = true;
9273 } else {
9274 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9275 BNX2X_DEV_INFO("Disable xmac Rx\n");
9276 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9277 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9278 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9279 val & ~(1 << 1));
9280 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9281 val | (1 << 1));
9282 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9283 mac_stopped = true;
9284 }
9285 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9286 if (mask & reset_reg) {
9287 BNX2X_DEV_INFO("Disable umac Rx\n");
9288 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9289 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9290 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009291 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009292 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009293
Yuval Mintz452427b2012-03-26 20:47:07 +00009294 if (mac_stopped)
9295 msleep(20);
9296
9297}
9298
9299#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9300#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9301#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9302#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9303
9304static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9305 u8 inc)
9306{
9307 u16 rcq, bd;
9308 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9309
9310 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9311 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9312
9313 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9314 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9315
9316 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9317 port, bd, rcq);
9318}
9319
9320static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9321{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009322 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
9323 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +00009324 if (!rc) {
9325 BNX2X_ERR("MCP response failure, aborting\n");
9326 return -EBUSY;
9327 }
9328
9329 return 0;
9330}
9331
9332static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9333{
9334 struct bnx2x_prev_path_list *tmp_list;
9335 int rc = false;
9336
9337 if (down_trylock(&bnx2x_prev_sem))
9338 return false;
9339
9340 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9341 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9342 bp->pdev->bus->number == tmp_list->bus &&
9343 BP_PATH(bp) == tmp_list->path) {
9344 rc = true;
9345 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9346 BP_PATH(bp));
9347 break;
9348 }
9349 }
9350
9351 up(&bnx2x_prev_sem);
9352
9353 return rc;
9354}
9355
9356static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9357{
9358 struct bnx2x_prev_path_list *tmp_list;
9359 int rc;
9360
Devendra Nagaea4b3852012-07-29 03:19:23 +00009361 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009362 if (!tmp_list) {
9363 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9364 return -ENOMEM;
9365 }
9366
9367 tmp_list->bus = bp->pdev->bus->number;
9368 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9369 tmp_list->path = BP_PATH(bp);
9370
9371 rc = down_interruptible(&bnx2x_prev_sem);
9372 if (rc) {
9373 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9374 kfree(tmp_list);
9375 } else {
9376 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9377 BP_PATH(bp));
9378 list_add(&tmp_list->list, &bnx2x_prev_list);
9379 up(&bnx2x_prev_sem);
9380 }
9381
9382 return rc;
9383}
9384
Yuval Mintz452427b2012-03-26 20:47:07 +00009385static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9386{
9387 int i, pos;
9388 u16 status;
9389 struct pci_dev *dev = bp->pdev;
9390
Yuval Mintz8eee6942012-08-09 04:37:25 +00009391
9392 if (CHIP_IS_E1x(bp)) {
9393 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
9394 return -EINVAL;
9395 }
9396
9397 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
9398 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9399 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9400 bp->common.bc_ver);
9401 return -EINVAL;
9402 }
Yuval Mintz452427b2012-03-26 20:47:07 +00009403
9404 pos = pci_pcie_cap(dev);
9405 if (!pos)
9406 return -ENOTTY;
9407
9408 /* Wait for Transaction Pending bit clean */
9409 for (i = 0; i < 4; i++) {
9410 if (i)
9411 msleep((1 << (i - 1)) * 100);
9412
9413 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
9414 if (!(status & PCI_EXP_DEVSTA_TRPND))
9415 goto clear;
9416 }
9417
9418 dev_err(&dev->dev,
9419 "transaction is not cleared; proceeding with reset anyway\n");
9420
9421clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009422
Yuval Mintz8eee6942012-08-09 04:37:25 +00009423 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009424 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9425
9426 return 0;
9427}
9428
9429static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9430{
9431 int rc;
9432
9433 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9434
9435 /* Test if previous unload process was already finished for this path */
9436 if (bnx2x_prev_is_path_marked(bp))
9437 return bnx2x_prev_mcp_done(bp);
9438
9439 /* If function has FLR capabilities, and existing FW version matches
9440 * the one required, then FLR will be sufficient to clean any residue
9441 * left by previous driver
9442 */
Yuval Mintz8eee6942012-08-09 04:37:25 +00009443 rc = bnx2x_test_firmware_version(bp, false);
9444
9445 if (!rc) {
9446 /* fw version is good */
9447 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9448 rc = bnx2x_do_flr(bp);
9449 }
9450
9451 if (!rc) {
9452 /* FLR was performed */
9453 BNX2X_DEV_INFO("FLR successful\n");
9454 return 0;
9455 }
9456
9457 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009458
9459 /* Close the MCP request, return failure*/
9460 rc = bnx2x_prev_mcp_done(bp);
9461 if (!rc)
9462 rc = BNX2X_PREV_WAIT_NEEDED;
9463
9464 return rc;
9465}
9466
9467static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9468{
9469 u32 reset_reg, tmp_reg = 0, rc;
9470 /* It is possible a previous function received 'common' answer,
9471 * but hasn't loaded yet, therefore creating a scenario of
9472 * multiple functions receiving 'common' on the same path.
9473 */
9474 BNX2X_DEV_INFO("Common unload Flow\n");
9475
9476 if (bnx2x_prev_is_path_marked(bp))
9477 return bnx2x_prev_mcp_done(bp);
9478
9479 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9480
9481 /* Reset should be performed after BRB is emptied */
9482 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9483 u32 timer_count = 1000;
9484 bool prev_undi = false;
9485
9486 /* Close the MAC Rx to prevent BRB from filling up */
9487 bnx2x_prev_unload_close_mac(bp);
9488
9489 /* Check if the UNDI driver was previously loaded
9490 * UNDI driver initializes CID offset for normal bell to 0x7
9491 */
9492 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9493 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9494 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9495 if (tmp_reg == 0x7) {
9496 BNX2X_DEV_INFO("UNDI previously loaded\n");
9497 prev_undi = true;
9498 /* clear the UNDI indication */
9499 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9500 }
9501 }
9502 /* wait until BRB is empty */
9503 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9504 while (timer_count) {
9505 u32 prev_brb = tmp_reg;
9506
9507 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9508 if (!tmp_reg)
9509 break;
9510
9511 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9512
9513 /* reset timer as long as BRB actually gets emptied */
9514 if (prev_brb > tmp_reg)
9515 timer_count = 1000;
9516 else
9517 timer_count--;
9518
9519 /* If UNDI resides in memory, manually increment it */
9520 if (prev_undi)
9521 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9522
9523 udelay(10);
9524 }
9525
9526 if (!timer_count)
9527 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9528
9529 }
9530
9531 /* No packets are in the pipeline, path is ready for reset */
9532 bnx2x_reset_common(bp);
9533
9534 rc = bnx2x_prev_mark_path(bp);
9535 if (rc) {
9536 bnx2x_prev_mcp_done(bp);
9537 return rc;
9538 }
9539
9540 return bnx2x_prev_mcp_done(bp);
9541}
9542
Ariel Elior24f06712012-05-06 07:05:57 +00009543/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9544 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9545 * the addresses of the transaction, resulting in was-error bit set in the pci
9546 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9547 * to clear the interrupt which detected this from the pglueb and the was done
9548 * bit
9549 */
9550static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9551{
9552 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9553 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9554 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9555 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9556 }
9557}
9558
Yuval Mintz452427b2012-03-26 20:47:07 +00009559static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9560{
9561 int time_counter = 10;
9562 u32 rc, fw, hw_lock_reg, hw_lock_val;
9563 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9564
Ariel Elior24f06712012-05-06 07:05:57 +00009565 /* clear hw from errors which may have resulted from an interrupted
9566 * dmae transaction.
9567 */
9568 bnx2x_prev_interrupted_dmae(bp);
9569
9570 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009571 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9572 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9573 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9574
9575 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9576 if (hw_lock_val) {
9577 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9578 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9579 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9580 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9581 }
9582
9583 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9584 REG_WR(bp, hw_lock_reg, 0xffffffff);
9585 } else
9586 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9587
9588 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9589 BNX2X_DEV_INFO("Release previously held alr\n");
9590 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9591 }
9592
9593
9594 do {
9595 /* Lock MCP using an unload request */
9596 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9597 if (!fw) {
9598 BNX2X_ERR("MCP response failure, aborting\n");
9599 rc = -EBUSY;
9600 break;
9601 }
9602
9603 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9604 rc = bnx2x_prev_unload_common(bp);
9605 break;
9606 }
9607
9608 /* non-common reply from MCP night require looping */
9609 rc = bnx2x_prev_unload_uncommon(bp);
9610 if (rc != BNX2X_PREV_WAIT_NEEDED)
9611 break;
9612
9613 msleep(20);
9614 } while (--time_counter);
9615
9616 if (!time_counter || rc) {
9617 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9618 rc = -EBUSY;
9619 }
9620
9621 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9622
9623 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009624}
9625
9626static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9627{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009628 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009629 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009630
9631 /* Get the chip revision id and number. */
9632 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9633 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9634 id = ((val & 0xffff) << 16);
9635 val = REG_RD(bp, MISC_REG_CHIP_REV);
9636 id |= ((val & 0xf) << 12);
9637 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9638 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009639 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009640 id |= (val & 0xf);
9641 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009642
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009643 /* force 57811 according to MISC register */
9644 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9645 if (CHIP_IS_57810(bp))
9646 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9647 (bp->common.chip_id & 0x0000FFFF);
9648 else if (CHIP_IS_57810_MF(bp))
9649 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9650 (bp->common.chip_id & 0x0000FFFF);
9651 bp->common.chip_id |= 0x1;
9652 }
9653
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009654 /* Set doorbell size */
9655 bp->db_size = (1 << BNX2X_DB_SHIFT);
9656
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009657 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009658 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9659 if ((val & 1) == 0)
9660 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9661 else
9662 val = (val >> 1) & 1;
9663 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9664 "2_PORT_MODE");
9665 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9666 CHIP_2_PORT_MODE;
9667
9668 if (CHIP_MODE_IS_4_PORT(bp))
9669 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9670 else
9671 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9672 } else {
9673 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9674 bp->pfid = bp->pf_num; /* 0..7 */
9675 }
9676
Merav Sicron51c1a582012-03-18 10:33:38 +00009677 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009679 bp->link_params.chip_id = bp->common.chip_id;
9680 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009681
Eilon Greenstein1c063282009-02-12 08:36:43 +00009682 val = (REG_RD(bp, 0x2874) & 0x55);
9683 if ((bp->common.chip_id & 0x1) ||
9684 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9685 bp->flags |= ONE_PORT_FLAG;
9686 BNX2X_DEV_INFO("single port device\n");
9687 }
9688
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009689 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009690 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009691 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9692 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9693 bp->common.flash_size, bp->common.flash_size);
9694
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009695 bnx2x_init_shmem(bp);
9696
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009697
9698
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009699 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9700 MISC_REG_GENERIC_CR_1 :
9701 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009702
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009703 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009704 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009705 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9706 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009707
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009708 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009709 BNX2X_DEV_INFO("MCP not active\n");
9710 bp->flags |= NO_MCP_FLAG;
9711 return;
9712 }
9713
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009714 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009715 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009716
9717 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9718 SHARED_HW_CFG_LED_MODE_MASK) >>
9719 SHARED_HW_CFG_LED_MODE_SHIFT);
9720
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009721 bp->link_params.feature_config_flags = 0;
9722 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9723 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9724 bp->link_params.feature_config_flags |=
9725 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9726 else
9727 bp->link_params.feature_config_flags &=
9728 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009730 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9731 bp->common.bc_ver = val;
9732 BNX2X_DEV_INFO("bc_ver %X\n", val);
9733 if (val < BNX2X_BC_VER) {
9734 /* for now only warn
9735 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009736 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9737 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009738 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009739 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009740 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009741 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9742
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009743 bp->link_params.feature_config_flags |=
9744 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9745 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009746 bp->link_params.feature_config_flags |=
9747 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9748 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009749 bp->link_params.feature_config_flags |=
9750 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9751 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009752 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9753 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009754
Barak Witkowski2e499d32012-06-26 01:31:19 +00009755 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9756 BC_SUPPORTS_FCOE_FEATURES : 0;
9757
Barak Witkowski98768792012-06-19 07:48:31 +00009758 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9759 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009760 boot_mode = SHMEM_RD(bp,
9761 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9762 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9763 switch (boot_mode) {
9764 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9765 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9766 break;
9767 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9768 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9769 break;
9770 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9771 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9772 break;
9773 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9774 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9775 break;
9776 }
9777
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009778 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9779 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9780
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009781 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009782 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009783
9784 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9785 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9786 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9787 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9788
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009789 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9790 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009791}
9792
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009793#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9794#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9795
9796static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9797{
9798 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009799 int igu_sb_id;
9800 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009801 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009802
9803 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009804 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009805 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009806 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009807 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9808 FP_SB_MAX_E1x;
9809
9810 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9811 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9812
9813 return;
9814 }
9815
9816 /* IGU in normal mode - read CAM */
9817 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9818 igu_sb_id++) {
9819 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9820 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9821 continue;
9822 fid = IGU_FID(val);
9823 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9824 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9825 continue;
9826 if (IGU_VEC(val) == 0)
9827 /* default status block */
9828 bp->igu_dsb_id = igu_sb_id;
9829 else {
9830 if (bp->igu_base_sb == 0xff)
9831 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009832 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009833 }
9834 }
9835 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009836
Ariel Elior6383c0b2011-07-14 08:31:57 +00009837#ifdef CONFIG_PCI_MSI
9838 /*
9839 * It's expected that number of CAM entries for this functions is equal
9840 * to the number evaluated based on the MSI-X table size. We want a
9841 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009842 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009843 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9844#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009845
Ariel Elior6383c0b2011-07-14 08:31:57 +00009846 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009847 BNX2X_ERR("CAM configuration error\n");
9848}
9849
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009850static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9851 u32 switch_cfg)
9852{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009853 int cfg_size = 0, idx, port = BP_PORT(bp);
9854
9855 /* Aggregation of supported attributes of all external phys */
9856 bp->port.supported[0] = 0;
9857 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009858 switch (bp->link_params.num_phys) {
9859 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009860 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9861 cfg_size = 1;
9862 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009863 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009864 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9865 cfg_size = 1;
9866 break;
9867 case 3:
9868 if (bp->link_params.multi_phy_config &
9869 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9870 bp->port.supported[1] =
9871 bp->link_params.phy[EXT_PHY1].supported;
9872 bp->port.supported[0] =
9873 bp->link_params.phy[EXT_PHY2].supported;
9874 } else {
9875 bp->port.supported[0] =
9876 bp->link_params.phy[EXT_PHY1].supported;
9877 bp->port.supported[1] =
9878 bp->link_params.phy[EXT_PHY2].supported;
9879 }
9880 cfg_size = 2;
9881 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009882 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009883
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009884 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009885 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009886 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009887 dev_info.port_hw_config[port].external_phy_config),
9888 SHMEM_RD(bp,
9889 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009890 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009891 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009892
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009893 if (CHIP_IS_E3(bp))
9894 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9895 else {
9896 switch (switch_cfg) {
9897 case SWITCH_CFG_1G:
9898 bp->port.phy_addr = REG_RD(
9899 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9900 break;
9901 case SWITCH_CFG_10G:
9902 bp->port.phy_addr = REG_RD(
9903 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9904 break;
9905 default:
9906 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9907 bp->port.link_config[0]);
9908 return;
9909 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009910 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009911 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009912 /* mask what we support according to speed_cap_mask per configuration */
9913 for (idx = 0; idx < cfg_size; idx++) {
9914 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009915 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009916 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009917
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009918 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009919 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009920 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009921
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009922 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009923 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009924 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009925
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009926 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009927 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009928 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009929
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009930 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009931 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009932 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009933 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009934
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009935 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009936 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009937 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009938
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009939 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009940 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009941 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009942
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009943 }
9944
9945 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9946 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009947}
9948
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009949static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009950{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009951 u32 link_config, idx, cfg_size = 0;
9952 bp->port.advertising[0] = 0;
9953 bp->port.advertising[1] = 0;
9954 switch (bp->link_params.num_phys) {
9955 case 1:
9956 case 2:
9957 cfg_size = 1;
9958 break;
9959 case 3:
9960 cfg_size = 2;
9961 break;
9962 }
9963 for (idx = 0; idx < cfg_size; idx++) {
9964 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9965 link_config = bp->port.link_config[idx];
9966 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009967 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009968 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9969 bp->link_params.req_line_speed[idx] =
9970 SPEED_AUTO_NEG;
9971 bp->port.advertising[idx] |=
9972 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009973 if (bp->link_params.phy[EXT_PHY1].type ==
9974 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9975 bp->port.advertising[idx] |=
9976 (SUPPORTED_100baseT_Half |
9977 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009978 } else {
9979 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009980 bp->link_params.req_line_speed[idx] =
9981 SPEED_10000;
9982 bp->port.advertising[idx] |=
9983 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009984 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009985 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009986 }
9987 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009988
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009989 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009990 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9991 bp->link_params.req_line_speed[idx] =
9992 SPEED_10;
9993 bp->port.advertising[idx] |=
9994 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009995 ADVERTISED_TP);
9996 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009997 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009998 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009999 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010000 return;
10001 }
10002 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010003
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010004 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010005 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10006 bp->link_params.req_line_speed[idx] =
10007 SPEED_10;
10008 bp->link_params.req_duplex[idx] =
10009 DUPLEX_HALF;
10010 bp->port.advertising[idx] |=
10011 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010012 ADVERTISED_TP);
10013 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010014 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010015 link_config,
10016 bp->link_params.speed_cap_mask[idx]);
10017 return;
10018 }
10019 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010020
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010021 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10022 if (bp->port.supported[idx] &
10023 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010024 bp->link_params.req_line_speed[idx] =
10025 SPEED_100;
10026 bp->port.advertising[idx] |=
10027 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010028 ADVERTISED_TP);
10029 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010030 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010031 link_config,
10032 bp->link_params.speed_cap_mask[idx]);
10033 return;
10034 }
10035 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010036
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010037 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10038 if (bp->port.supported[idx] &
10039 SUPPORTED_100baseT_Half) {
10040 bp->link_params.req_line_speed[idx] =
10041 SPEED_100;
10042 bp->link_params.req_duplex[idx] =
10043 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010044 bp->port.advertising[idx] |=
10045 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010046 ADVERTISED_TP);
10047 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010048 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010049 link_config,
10050 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010051 return;
10052 }
10053 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010054
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010055 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010056 if (bp->port.supported[idx] &
10057 SUPPORTED_1000baseT_Full) {
10058 bp->link_params.req_line_speed[idx] =
10059 SPEED_1000;
10060 bp->port.advertising[idx] |=
10061 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010062 ADVERTISED_TP);
10063 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010064 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010065 link_config,
10066 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010067 return;
10068 }
10069 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010070
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010071 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010072 if (bp->port.supported[idx] &
10073 SUPPORTED_2500baseX_Full) {
10074 bp->link_params.req_line_speed[idx] =
10075 SPEED_2500;
10076 bp->port.advertising[idx] |=
10077 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010078 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010079 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010080 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010081 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010082 bp->link_params.speed_cap_mask[idx]);
10083 return;
10084 }
10085 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010086
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010087 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010088 if (bp->port.supported[idx] &
10089 SUPPORTED_10000baseT_Full) {
10090 bp->link_params.req_line_speed[idx] =
10091 SPEED_10000;
10092 bp->port.advertising[idx] |=
10093 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010094 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010095 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010096 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010097 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010098 bp->link_params.speed_cap_mask[idx]);
10099 return;
10100 }
10101 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010102 case PORT_FEATURE_LINK_SPEED_20G:
10103 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010104
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010105 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010106 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010107 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010108 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010109 bp->link_params.req_line_speed[idx] =
10110 SPEED_AUTO_NEG;
10111 bp->port.advertising[idx] =
10112 bp->port.supported[idx];
10113 break;
10114 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010115
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010116 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010117 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010118 if ((bp->link_params.req_flow_ctrl[idx] ==
10119 BNX2X_FLOW_CTRL_AUTO) &&
10120 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10121 bp->link_params.req_flow_ctrl[idx] =
10122 BNX2X_FLOW_CTRL_NONE;
10123 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010124
Merav Sicron51c1a582012-03-18 10:33:38 +000010125 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 +000010126 bp->link_params.req_line_speed[idx],
10127 bp->link_params.req_duplex[idx],
10128 bp->link_params.req_flow_ctrl[idx],
10129 bp->port.advertising[idx]);
10130 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010131}
10132
Michael Chane665bfd2009-10-10 13:46:54 +000010133static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10134{
10135 mac_hi = cpu_to_be16(mac_hi);
10136 mac_lo = cpu_to_be32(mac_lo);
10137 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10138 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10139}
10140
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010141static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010142{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010143 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010144 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010145 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010146
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010147 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010148 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010149
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010150 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010151 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010152
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010153 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010154 SHMEM_RD(bp,
10155 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010156 bp->link_params.speed_cap_mask[1] =
10157 SHMEM_RD(bp,
10158 dev_info.port_hw_config[port].speed_capability_mask2);
10159 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010160 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10161
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010162 bp->port.link_config[1] =
10163 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010164
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010165 bp->link_params.multi_phy_config =
10166 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010167 /* If the device is capable of WoL, set the default state according
10168 * to the HW
10169 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010170 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010171 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10172 (config & PORT_FEATURE_WOL_ENABLED));
10173
Merav Sicron51c1a582012-03-18 10:33:38 +000010174 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010175 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010176 bp->link_params.speed_cap_mask[0],
10177 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010178
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010179 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010180 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010181 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010182 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010183
10184 bnx2x_link_settings_requested(bp);
10185
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010186 /*
10187 * If connected directly, work with the internal PHY, otherwise, work
10188 * with the external PHY
10189 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010190 ext_phy_config =
10191 SHMEM_RD(bp,
10192 dev_info.port_hw_config[port].external_phy_config);
10193 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010194 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010195 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010196
10197 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10198 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10199 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010200 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010201
10202 /*
10203 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10204 * In MF mode, it is set to cover self test cases
10205 */
10206 if (IS_MF(bp))
10207 bp->port.need_hw_lock = 1;
10208 else
10209 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10210 bp->common.shmem_base,
10211 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010212
10213 /* Configure link feature according to nvram value */
10214 eee_mode = (((SHMEM_RD(bp, dev_info.
10215 port_feature_config[port].eee_power_mode)) &
10216 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10217 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10218 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10219 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10220 EEE_MODE_ENABLE_LPI |
10221 EEE_MODE_OUTPUT_TIME;
10222 } else {
10223 bp->link_params.eee_mode = 0;
10224 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010225}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010226
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010227void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010228{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010229 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010230#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010231 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010232
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010233 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010234 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010235
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010236 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010237 bp->cnic_eth_dev.max_iscsi_conn =
10238 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10239 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10240
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010241 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10242 bp->cnic_eth_dev.max_iscsi_conn);
10243
10244 /*
10245 * If maximum allowed number of connections is zero -
10246 * disable the feature.
10247 */
10248 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010249 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010250#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010251 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010252#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010253}
10254
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010255#ifdef BCM_CNIC
10256static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10257{
10258 /* Port info */
10259 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10260 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10261 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10262 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10263
10264 /* Node info */
10265 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10266 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10267 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10268 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10269}
10270#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010271static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10272{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010273#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010274 int port = BP_PORT(bp);
10275 int func = BP_ABS_FUNC(bp);
10276
10277 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10278 drv_lic_key[port].max_fcoe_conn);
10279
10280 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010281 bp->cnic_eth_dev.max_fcoe_conn =
10282 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10283 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10284
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010285 /* Read the WWN: */
10286 if (!IS_MF(bp)) {
10287 /* Port info */
10288 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10289 SHMEM_RD(bp,
10290 dev_info.port_hw_config[port].
10291 fcoe_wwn_port_name_upper);
10292 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10293 SHMEM_RD(bp,
10294 dev_info.port_hw_config[port].
10295 fcoe_wwn_port_name_lower);
10296
10297 /* Node info */
10298 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10299 SHMEM_RD(bp,
10300 dev_info.port_hw_config[port].
10301 fcoe_wwn_node_name_upper);
10302 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10303 SHMEM_RD(bp,
10304 dev_info.port_hw_config[port].
10305 fcoe_wwn_node_name_lower);
10306 } else if (!IS_MF_SD(bp)) {
10307 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10308
10309 /*
10310 * Read the WWN info only if the FCoE feature is enabled for
10311 * this function.
10312 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010313 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
10314 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010315
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010316 } else if (IS_MF_FCOE_SD(bp))
10317 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010318
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010319 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010320
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010321 /*
10322 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010323 * disable the feature.
10324 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010325 if (!bp->cnic_eth_dev.max_fcoe_conn)
10326 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010327#else
10328 bp->flags |= NO_FCOE_FLAG;
10329#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010330}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010331
10332static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10333{
10334 /*
10335 * iSCSI may be dynamically disabled but reading
10336 * info here we will decrease memory usage by driver
10337 * if the feature is disabled for good
10338 */
10339 bnx2x_get_iscsi_info(bp);
10340 bnx2x_get_fcoe_info(bp);
10341}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010342
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010343static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10344{
10345 u32 val, val2;
10346 int func = BP_ABS_FUNC(bp);
10347 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010348#ifdef BCM_CNIC
10349 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10350 u8 *fip_mac = bp->fip_mac;
10351#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010352
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010353 /* Zero primary MAC configuration */
10354 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10355
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010356 if (BP_NOMCP(bp)) {
10357 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010358 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010359 } else if (IS_MF(bp)) {
10360 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10361 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10362 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10363 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10364 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10365
10366#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010367 /*
10368 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010369 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010370 *
10371 * In non SD mode features configuration comes from
10372 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010373 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010374 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010375 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10376 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10377 val2 = MF_CFG_RD(bp, func_ext_config[func].
10378 iscsi_mac_addr_upper);
10379 val = MF_CFG_RD(bp, func_ext_config[func].
10380 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010381 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +000010382 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10383 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010384 } else
10385 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10386
10387 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10388 val2 = MF_CFG_RD(bp, func_ext_config[func].
10389 fcoe_mac_addr_upper);
10390 val = MF_CFG_RD(bp, func_ext_config[func].
10391 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010392 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010393 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010394 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010395
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010396 } else
10397 bp->flags |= NO_FCOE_FLAG;
Barak Witkowskia3348722012-04-23 03:04:46 +000010398
10399 bp->mf_ext_config = cfg;
10400
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010401 } else { /* SD MODE */
10402 if (IS_MF_STORAGE_SD(bp)) {
10403 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10404 /* use primary mac as iscsi mac */
10405 memcpy(iscsi_mac, bp->dev->dev_addr,
10406 ETH_ALEN);
10407
10408 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10409 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10410 iscsi_mac);
10411 } else { /* FCoE */
10412 memcpy(fip_mac, bp->dev->dev_addr,
10413 ETH_ALEN);
10414 BNX2X_DEV_INFO("SD FCoE MODE\n");
10415 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
10416 fip_mac);
10417 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010418 /* Zero primary MAC configuration */
10419 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010420 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010421 }
Barak Witkowskia3348722012-04-23 03:04:46 +000010422
10423 if (IS_MF_FCOE_AFEX(bp))
10424 /* use FIP MAC as primary MAC */
10425 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10426
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010427#endif
10428 } else {
10429 /* in SF read MACs from port configuration */
10430 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10431 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10432 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10433
10434#ifdef BCM_CNIC
10435 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10436 iscsi_mac_upper);
10437 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10438 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010439 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +000010440
10441 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10442 fcoe_fip_mac_upper);
10443 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10444 fcoe_fip_mac_lower);
10445 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010446#endif
10447 }
10448
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010449 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10450 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010451
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010452#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +000010453 /* Disable iSCSI if MAC configuration is
10454 * invalid.
10455 */
10456 if (!is_valid_ether_addr(iscsi_mac)) {
10457 bp->flags |= NO_ISCSI_FLAG;
10458 memset(iscsi_mac, 0, ETH_ALEN);
10459 }
10460
10461 /* Disable FCoE if MAC configuration is
10462 * invalid.
10463 */
10464 if (!is_valid_ether_addr(fip_mac)) {
10465 bp->flags |= NO_FCOE_FLAG;
10466 memset(bp->fip_mac, 0, ETH_ALEN);
10467 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010468#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010469
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010470 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010471 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010472 "bad Ethernet MAC address configuration: %pM\n"
10473 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010474 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010475
10476
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010477}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010478
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010479static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10480{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010481 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010482 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010483 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010484 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010485
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010486 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010487
Ariel Elior6383c0b2011-07-14 08:31:57 +000010488 /*
10489 * initialize IGU parameters
10490 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010491 if (CHIP_IS_E1x(bp)) {
10492 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010493
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010494 bp->igu_dsb_id = DEF_SB_IGU_ID;
10495 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010496 } else {
10497 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010498
10499 /* do not allow device reset during IGU info preocessing */
10500 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10501
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010502 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010503
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010504 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010505 int tout = 5000;
10506
10507 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10508
10509 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10510 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10511 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10512
10513 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10514 tout--;
10515 usleep_range(1000, 1000);
10516 }
10517
10518 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10519 dev_err(&bp->pdev->dev,
10520 "FORCING Normal Mode failed!!!\n");
10521 return -EPERM;
10522 }
10523 }
10524
10525 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10526 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010527 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10528 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010529 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010530
10531 bnx2x_get_igu_cam_info(bp);
10532
David S. Miller8decf862011-09-22 03:23:13 -040010533 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010534 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010535
10536 /*
10537 * set base FW non-default (fast path) status block id, this value is
10538 * used to initialize the fw_sb_id saved on the fp/queue structure to
10539 * determine the id used by the FW.
10540 */
10541 if (CHIP_IS_E1x(bp))
10542 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10543 else /*
10544 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10545 * the same queue are indicated on the same IGU SB). So we prefer
10546 * FW and IGU SBs to be the same value.
10547 */
10548 bp->base_fw_ndsb = bp->igu_base_sb;
10549
10550 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10551 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10552 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010553
10554 /*
10555 * Initialize MF configuration
10556 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010557
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010558 bp->mf_ov = 0;
10559 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010560 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010561
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010562 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010563 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10564 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10565 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10566
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010567 if (SHMEM2_HAS(bp, mf_cfg_addr))
10568 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10569 else
10570 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010571 offsetof(struct shmem_region, func_mb) +
10572 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010573 /*
10574 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010575 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010576 * 2. MAC address must be legal (check only upper bytes)
10577 * for Switch-Independent mode;
10578 * OVLAN must be legal for Switch-Dependent mode
10579 * 3. SF_MODE configures specific MF mode
10580 */
10581 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10582 /* get mf configuration */
10583 val = SHMEM_RD(bp,
10584 dev_info.shared_feature_config.config);
10585 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010586
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010587 switch (val) {
10588 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10589 val = MF_CFG_RD(bp, func_mf_config[func].
10590 mac_upper);
10591 /* check for legal mac (upper bytes)*/
10592 if (val != 0xffff) {
10593 bp->mf_mode = MULTI_FUNCTION_SI;
10594 bp->mf_config[vn] = MF_CFG_RD(bp,
10595 func_mf_config[func].config);
10596 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010597 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010598 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010599 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10600 if ((!CHIP_IS_E1x(bp)) &&
10601 (MF_CFG_RD(bp, func_mf_config[func].
10602 mac_upper) != 0xffff) &&
10603 (SHMEM2_HAS(bp,
10604 afex_driver_support))) {
10605 bp->mf_mode = MULTI_FUNCTION_AFEX;
10606 bp->mf_config[vn] = MF_CFG_RD(bp,
10607 func_mf_config[func].config);
10608 } else {
10609 BNX2X_DEV_INFO("can not configure afex mode\n");
10610 }
10611 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010612 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10613 /* get OV configuration */
10614 val = MF_CFG_RD(bp,
10615 func_mf_config[FUNC_0].e1hov_tag);
10616 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10617
10618 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10619 bp->mf_mode = MULTI_FUNCTION_SD;
10620 bp->mf_config[vn] = MF_CFG_RD(bp,
10621 func_mf_config[func].config);
10622 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010623 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010624 break;
10625 default:
10626 /* Unknown configuration: reset mf_config */
10627 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010628 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010629 }
10630 }
10631
Eilon Greenstein2691d512009-08-12 08:22:08 +000010632 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010633 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010634
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010635 switch (bp->mf_mode) {
10636 case MULTI_FUNCTION_SD:
10637 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10638 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010639 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010640 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010641 bp->path_has_ovlan = true;
10642
Merav Sicron51c1a582012-03-18 10:33:38 +000010643 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10644 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010645 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010646 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010647 "No valid MF OV for func %d, aborting\n",
10648 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010649 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010650 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010651 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010652 case MULTI_FUNCTION_AFEX:
10653 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10654 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010655 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010656 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10657 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010658 break;
10659 default:
10660 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010661 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010662 "VN %d is in a single function mode, aborting\n",
10663 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010664 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010665 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010666 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010667 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010668
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010669 /* check if other port on the path needs ovlan:
10670 * Since MF configuration is shared between ports
10671 * Possible mixed modes are only
10672 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10673 */
10674 if (CHIP_MODE_IS_4_PORT(bp) &&
10675 !bp->path_has_ovlan &&
10676 !IS_MF(bp) &&
10677 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10678 u8 other_port = !BP_PORT(bp);
10679 u8 other_func = BP_PATH(bp) + 2*other_port;
10680 val = MF_CFG_RD(bp,
10681 func_mf_config[other_func].e1hov_tag);
10682 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10683 bp->path_has_ovlan = true;
10684 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010685 }
10686
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010687 /* adjust igu_sb_cnt to MF for E1x */
10688 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010689 bp->igu_sb_cnt /= E1HVN_MAX;
10690
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010691 /* port info */
10692 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010693
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010694 /* Get MAC addresses */
10695 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010696
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010697 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010698
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010699 return rc;
10700}
10701
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010702static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10703{
10704 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010705 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010706 char str_id_reg[VENDOR_ID_LEN+1];
10707 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010708 char *vpd_data;
10709 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010710 u8 len;
10711
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010712 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010713 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10714
10715 if (cnt < BNX2X_VPD_LEN)
10716 goto out_not_found;
10717
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010718 /* VPD RO tag should be first tag after identifier string, hence
10719 * we should be able to find it in first BNX2X_VPD_LEN chars
10720 */
10721 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010722 PCI_VPD_LRDT_RO_DATA);
10723 if (i < 0)
10724 goto out_not_found;
10725
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010726 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010727 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010728
10729 i += PCI_VPD_LRDT_TAG_SIZE;
10730
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010731 if (block_end > BNX2X_VPD_LEN) {
10732 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10733 if (vpd_extended_data == NULL)
10734 goto out_not_found;
10735
10736 /* read rest of vpd image into vpd_extended_data */
10737 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10738 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10739 block_end - BNX2X_VPD_LEN,
10740 vpd_extended_data + BNX2X_VPD_LEN);
10741 if (cnt < (block_end - BNX2X_VPD_LEN))
10742 goto out_not_found;
10743 vpd_data = vpd_extended_data;
10744 } else
10745 vpd_data = vpd_start;
10746
10747 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010748
10749 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10750 PCI_VPD_RO_KEYWORD_MFR_ID);
10751 if (rodi < 0)
10752 goto out_not_found;
10753
10754 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10755
10756 if (len != VENDOR_ID_LEN)
10757 goto out_not_found;
10758
10759 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10760
10761 /* vendor specific info */
10762 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10763 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10764 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10765 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10766
10767 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10768 PCI_VPD_RO_KEYWORD_VENDOR0);
10769 if (rodi >= 0) {
10770 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10771
10772 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10773
10774 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10775 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10776 bp->fw_ver[len] = ' ';
10777 }
10778 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010779 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010780 return;
10781 }
10782out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010783 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010784 return;
10785}
10786
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010787static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10788{
10789 u32 flags = 0;
10790
10791 if (CHIP_REV_IS_FPGA(bp))
10792 SET_FLAGS(flags, MODE_FPGA);
10793 else if (CHIP_REV_IS_EMUL(bp))
10794 SET_FLAGS(flags, MODE_EMUL);
10795 else
10796 SET_FLAGS(flags, MODE_ASIC);
10797
10798 if (CHIP_MODE_IS_4_PORT(bp))
10799 SET_FLAGS(flags, MODE_PORT4);
10800 else
10801 SET_FLAGS(flags, MODE_PORT2);
10802
10803 if (CHIP_IS_E2(bp))
10804 SET_FLAGS(flags, MODE_E2);
10805 else if (CHIP_IS_E3(bp)) {
10806 SET_FLAGS(flags, MODE_E3);
10807 if (CHIP_REV(bp) == CHIP_REV_Ax)
10808 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010809 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10810 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010811 }
10812
10813 if (IS_MF(bp)) {
10814 SET_FLAGS(flags, MODE_MF);
10815 switch (bp->mf_mode) {
10816 case MULTI_FUNCTION_SD:
10817 SET_FLAGS(flags, MODE_MF_SD);
10818 break;
10819 case MULTI_FUNCTION_SI:
10820 SET_FLAGS(flags, MODE_MF_SI);
10821 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010822 case MULTI_FUNCTION_AFEX:
10823 SET_FLAGS(flags, MODE_MF_AFEX);
10824 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010825 }
10826 } else
10827 SET_FLAGS(flags, MODE_SF);
10828
10829#if defined(__LITTLE_ENDIAN)
10830 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10831#else /*(__BIG_ENDIAN)*/
10832 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10833#endif
10834 INIT_MODE_FLAGS(bp) = flags;
10835}
10836
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010837static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10838{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010839 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010840 int rc;
10841
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010842 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010843 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010844 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010845#ifdef BCM_CNIC
10846 mutex_init(&bp->cnic_mutex);
10847#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010848
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010849 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010850 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010851 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010852 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010853 if (rc)
10854 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010855
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010856 bnx2x_set_modes_bitmap(bp);
10857
10858 rc = bnx2x_alloc_mem_bp(bp);
10859 if (rc)
10860 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010861
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010862 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010863
10864 func = BP_FUNC(bp);
10865
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010866 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010867 if (!BP_NOMCP(bp)) {
10868 /* init fw_seq */
10869 bp->fw_seq =
10870 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10871 DRV_MSG_SEQ_NUMBER_MASK;
10872 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10873
10874 bnx2x_prev_unload(bp);
10875 }
10876
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010877
10878 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010879 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010880
10881 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010882 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010883
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010884 bp->disable_tpa = disable_tpa;
10885
10886#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +000010887 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010888#endif
10889
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010890 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010891 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010892 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010893 bp->dev->features &= ~NETIF_F_LRO;
10894 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010895 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010896 bp->dev->features |= NETIF_F_LRO;
10897 }
10898
Eilon Greensteina18f5122009-08-12 08:23:26 +000010899 if (CHIP_IS_E1(bp))
10900 bp->dropless_fc = 0;
10901 else
10902 bp->dropless_fc = dropless_fc;
10903
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010904 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010905
Barak Witkowskia3348722012-04-23 03:04:46 +000010906 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010907
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010908 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010909 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10910 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010911
Michal Schmidtfc543632012-02-14 09:05:46 +000010912 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010913
10914 init_timer(&bp->timer);
10915 bp->timer.expires = jiffies + bp->current_interval;
10916 bp->timer.data = (unsigned long) bp;
10917 bp->timer.function = bnx2x_timer;
10918
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010919 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010920 bnx2x_dcbx_init_params(bp);
10921
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010922#ifdef BCM_CNIC
10923 if (CHIP_IS_E1x(bp))
10924 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10925 else
10926 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10927#endif
10928
Ariel Elior6383c0b2011-07-14 08:31:57 +000010929 /* multiple tx priority */
10930 if (CHIP_IS_E1x(bp))
10931 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10932 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10933 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10934 if (CHIP_IS_E3B0(bp))
10935 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10936
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010937 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010938}
10939
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010940
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010941/****************************************************************************
10942* General service functions
10943****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010944
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010945/*
10946 * net_device service functions
10947 */
10948
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010949/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010950static int bnx2x_open(struct net_device *dev)
10951{
10952 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010953 bool global = false;
10954 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010955 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010956
Mintz Yuval1355b702012-02-15 02:10:22 +000010957 bp->stats_init = true;
10958
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010959 netif_carrier_off(dev);
10960
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010961 bnx2x_set_power_state(bp, PCI_D0);
10962
Ariel Elior889b9af2012-01-26 06:01:51 +000010963 other_load_status = bnx2x_get_load_status(bp, other_engine);
10964 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010965
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010966 /*
10967 * If parity had happen during the unload, then attentions
10968 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10969 * want the first function loaded on the current engine to
10970 * complete the recovery.
10971 */
10972 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10973 bnx2x_chk_parity_attn(bp, &global, true))
10974 do {
10975 /*
10976 * If there are attentions and they are in a global
10977 * blocks, set the GLOBAL_RESET bit regardless whether
10978 * it will be this function that will complete the
10979 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010980 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010981 if (global)
10982 bnx2x_set_reset_global(bp);
10983
10984 /*
10985 * Only the first function on the current engine should
10986 * try to recover in open. In case of attentions in
10987 * global blocks only the first in the chip should try
10988 * to recover.
10989 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010990 if ((!load_status &&
10991 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010992 bnx2x_trylock_leader_lock(bp) &&
10993 !bnx2x_leader_reset(bp)) {
10994 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010995 break;
10996 }
10997
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010998 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010999 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011000 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011001
Merav Sicron51c1a582012-03-18 10:33:38 +000011002 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11003 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011004
11005 return -EAGAIN;
11006 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011007
11008 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011009 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011010}
11011
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011012/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011013static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011014{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011015 struct bnx2x *bp = netdev_priv(dev);
11016
11017 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011018 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011019
11020 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011021 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011022
11023 return 0;
11024}
11025
Eric Dumazet1191cb82012-04-27 21:39:21 +000011026static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11027 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011028{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011029 int mc_count = netdev_mc_count(bp->dev);
11030 struct bnx2x_mcast_list_elem *mc_mac =
11031 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011032 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011033
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011034 if (!mc_mac)
11035 return -ENOMEM;
11036
11037 INIT_LIST_HEAD(&p->mcast_list);
11038
11039 netdev_for_each_mc_addr(ha, bp->dev) {
11040 mc_mac->mac = bnx2x_mc_addr(ha);
11041 list_add_tail(&mc_mac->link, &p->mcast_list);
11042 mc_mac++;
11043 }
11044
11045 p->mcast_list_len = mc_count;
11046
11047 return 0;
11048}
11049
Eric Dumazet1191cb82012-04-27 21:39:21 +000011050static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011051 struct bnx2x_mcast_ramrod_params *p)
11052{
11053 struct bnx2x_mcast_list_elem *mc_mac =
11054 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11055 link);
11056
11057 WARN_ON(!mc_mac);
11058 kfree(mc_mac);
11059}
11060
11061/**
11062 * bnx2x_set_uc_list - configure a new unicast MACs list.
11063 *
11064 * @bp: driver handle
11065 *
11066 * We will use zero (0) as a MAC type for these MACs.
11067 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011068static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011069{
11070 int rc;
11071 struct net_device *dev = bp->dev;
11072 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011073 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011074 unsigned long ramrod_flags = 0;
11075
11076 /* First schedule a cleanup up of old configuration */
11077 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11078 if (rc < 0) {
11079 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11080 return rc;
11081 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011082
11083 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011084 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11085 BNX2X_UC_LIST_MAC, &ramrod_flags);
11086 if (rc < 0) {
11087 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11088 rc);
11089 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011090 }
11091 }
11092
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011093 /* Execute the pending commands */
11094 __set_bit(RAMROD_CONT, &ramrod_flags);
11095 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11096 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011097}
11098
Eric Dumazet1191cb82012-04-27 21:39:21 +000011099static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011100{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011101 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011102 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011103 int rc = 0;
11104
11105 rparam.mcast_obj = &bp->mcast_obj;
11106
11107 /* first, clear all configured multicast MACs */
11108 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11109 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011110 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011111 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011112 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011113
11114 /* then, configure a new MACs list */
11115 if (netdev_mc_count(dev)) {
11116 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11117 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011118 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11119 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011120 return rc;
11121 }
11122
11123 /* Now add the new MACs */
11124 rc = bnx2x_config_mcast(bp, &rparam,
11125 BNX2X_MCAST_CMD_ADD);
11126 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011127 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11128 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011129
11130 bnx2x_free_mcast_macs_list(&rparam);
11131 }
11132
11133 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011134}
11135
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011136
11137/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011138void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011139{
11140 struct bnx2x *bp = netdev_priv(dev);
11141 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011142
11143 if (bp->state != BNX2X_STATE_OPEN) {
11144 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11145 return;
11146 }
11147
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011148 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011149
11150 if (dev->flags & IFF_PROMISC)
11151 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011152 else if ((dev->flags & IFF_ALLMULTI) ||
11153 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11154 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011155 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011156 else {
11157 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011158 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011159 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011160
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011161 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011162 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011163 }
11164
11165 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011166#ifdef BCM_CNIC
11167 /* handle ISCSI SD mode */
11168 if (IS_MF_ISCSI_SD(bp))
11169 bp->rx_mode = BNX2X_RX_MODE_NONE;
11170#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011171
11172 /* Schedule the rx_mode command */
11173 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11174 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11175 return;
11176 }
11177
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011178 bnx2x_set_storm_rx_mode(bp);
11179}
11180
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011181/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011182static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11183 int devad, u16 addr)
11184{
11185 struct bnx2x *bp = netdev_priv(netdev);
11186 u16 value;
11187 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011188
11189 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11190 prtad, devad, addr);
11191
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011192 /* The HW expects different devad if CL22 is used */
11193 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11194
11195 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011196 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011197 bnx2x_release_phy_lock(bp);
11198 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11199
11200 if (!rc)
11201 rc = value;
11202 return rc;
11203}
11204
11205/* called with rtnl_lock */
11206static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11207 u16 addr, u16 value)
11208{
11209 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011210 int rc;
11211
Merav Sicron51c1a582012-03-18 10:33:38 +000011212 DP(NETIF_MSG_LINK,
11213 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11214 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011215
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011216 /* The HW expects different devad if CL22 is used */
11217 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11218
11219 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011220 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011221 bnx2x_release_phy_lock(bp);
11222 return rc;
11223}
11224
11225/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011226static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11227{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011228 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011229 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011230
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011231 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11232 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011233
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011234 if (!netif_running(dev))
11235 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011236
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011237 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011238}
11239
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011240#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011241static void poll_bnx2x(struct net_device *dev)
11242{
11243 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000011244 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011245
Merav Sicron14a15d62012-08-27 03:26:20 +000011246 for_each_eth_queue(bp, i) {
11247 struct bnx2x_fastpath *fp = &bp->fp[i];
11248 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
11249 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011250}
11251#endif
11252
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011253static int bnx2x_validate_addr(struct net_device *dev)
11254{
11255 struct bnx2x *bp = netdev_priv(dev);
11256
Merav Sicron51c1a582012-03-18 10:33:38 +000011257 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11258 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011259 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011260 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011261 return 0;
11262}
11263
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011264static const struct net_device_ops bnx2x_netdev_ops = {
11265 .ndo_open = bnx2x_open,
11266 .ndo_stop = bnx2x_close,
11267 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011268 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011269 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011270 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011271 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011272 .ndo_do_ioctl = bnx2x_ioctl,
11273 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011274 .ndo_fix_features = bnx2x_fix_features,
11275 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011276 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011277#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011278 .ndo_poll_controller = poll_bnx2x,
11279#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011280 .ndo_setup_tc = bnx2x_setup_tc,
11281
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011282#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
11283 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11284#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011285};
11286
Eric Dumazet1191cb82012-04-27 21:39:21 +000011287static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011288{
11289 struct device *dev = &bp->pdev->dev;
11290
11291 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11292 bp->flags |= USING_DAC_FLAG;
11293 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011294 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011295 return -EIO;
11296 }
11297 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11298 dev_err(dev, "System does not support DMA, aborting\n");
11299 return -EIO;
11300 }
11301
11302 return 0;
11303}
11304
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011305static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011306 struct net_device *dev,
11307 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011308{
11309 struct bnx2x *bp;
11310 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011311 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011312 bool chip_is_e1x = (board_type == BCM57710 ||
11313 board_type == BCM57711 ||
11314 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011315
11316 SET_NETDEV_DEV(dev, &pdev->dev);
11317 bp = netdev_priv(dev);
11318
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011319 bp->dev = dev;
11320 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011321 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011322
11323 rc = pci_enable_device(pdev);
11324 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011325 dev_err(&bp->pdev->dev,
11326 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011327 goto err_out;
11328 }
11329
11330 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011331 dev_err(&bp->pdev->dev,
11332 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011333 rc = -ENODEV;
11334 goto err_out_disable;
11335 }
11336
11337 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011338 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11339 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011340 rc = -ENODEV;
11341 goto err_out_disable;
11342 }
11343
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011344 if (atomic_read(&pdev->enable_cnt) == 1) {
11345 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11346 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011347 dev_err(&bp->pdev->dev,
11348 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011349 goto err_out_disable;
11350 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011351
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011352 pci_set_master(pdev);
11353 pci_save_state(pdev);
11354 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011355
11356 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11357 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011358 dev_err(&bp->pdev->dev,
11359 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011360 rc = -EIO;
11361 goto err_out_release;
11362 }
11363
Jon Mason77c98e62011-06-27 07:45:12 +000011364 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011365 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011366 rc = -EIO;
11367 goto err_out_release;
11368 }
11369
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011370 rc = bnx2x_set_coherency_mask(bp);
11371 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011372 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011373
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011374 dev->mem_start = pci_resource_start(pdev, 0);
11375 dev->base_addr = dev->mem_start;
11376 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011377
11378 dev->irq = pdev->irq;
11379
Arjan van de Ven275f1652008-10-20 21:42:39 -070011380 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011381 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011382 dev_err(&bp->pdev->dev,
11383 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011384 rc = -ENOMEM;
11385 goto err_out_release;
11386 }
11387
Ariel Eliorc22610d02012-01-26 06:01:47 +000011388 /* In E1/E1H use pci device function given by kernel.
11389 * In E2/E3 read physical function from ME register since these chips
11390 * support Physical Device Assignment where kernel BDF maybe arbitrary
11391 * (depending on hypervisor).
11392 */
11393 if (chip_is_e1x)
11394 bp->pf_num = PCI_FUNC(pdev->devfn);
11395 else {/* chip is E2/3*/
11396 pci_read_config_dword(bp->pdev,
11397 PCICFG_ME_REGISTER, &pci_cfg_dword);
11398 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11399 ME_REG_ABS_PF_NUM_SHIFT);
11400 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011401 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011402
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011403 bnx2x_set_power_state(bp, PCI_D0);
11404
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011405 /* clean indirect addresses */
11406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11407 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011408 /*
11409 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011410 * is not used by the driver.
11411 */
11412 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11413 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11414 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11415 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011416
Ariel Elior65087cf2012-01-23 07:31:55 +000011417 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011418 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11419 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11420 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11421 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11422 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011423
Shmulik Ravid21894002011-07-24 03:57:04 +000011424 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011425 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011426 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011427 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011428 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011429 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011430
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011431 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011432
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011433 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011434 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011435
Jiri Pirko01789342011-08-16 06:29:00 +000011436 dev->priv_flags |= IFF_UNICAST_FLT;
11437
Michał Mirosław66371c42011-04-12 09:38:23 +000011438 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011439 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11440 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11441 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011442
11443 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11444 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11445
11446 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011447 if (bp->flags & USING_DAC_FLAG)
11448 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011449
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011450 /* Add Loopback capability to the device */
11451 dev->hw_features |= NETIF_F_LOOPBACK;
11452
Shmulik Ravid98507672011-02-28 12:19:55 -080011453#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011454 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11455#endif
11456
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011457 /* get_port_hwinfo() will set prtad and mmds properly */
11458 bp->mdio.prtad = MDIO_PRTAD_NONE;
11459 bp->mdio.mmds = 0;
11460 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11461 bp->mdio.dev = dev;
11462 bp->mdio.mdio_read = bnx2x_mdio_read;
11463 bp->mdio.mdio_write = bnx2x_mdio_write;
11464
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011465 return 0;
11466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011467err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011468 if (atomic_read(&pdev->enable_cnt) == 1)
11469 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011470
11471err_out_disable:
11472 pci_disable_device(pdev);
11473 pci_set_drvdata(pdev, NULL);
11474
11475err_out:
11476 return rc;
11477}
11478
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011479static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11480 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011481{
11482 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11483
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011484 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11485
11486 /* return value of 1=2.5GHz 2=5GHz */
11487 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011488}
11489
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011490static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011491{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011492 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011493 struct bnx2x_fw_file_hdr *fw_hdr;
11494 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011495 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011496 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011497 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011498 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011499
Merav Sicron51c1a582012-03-18 10:33:38 +000011500 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11501 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011502 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011503 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011504
11505 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11506 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11507
11508 /* Make sure none of the offsets and sizes make us read beyond
11509 * the end of the firmware data */
11510 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11511 offset = be32_to_cpu(sections[i].offset);
11512 len = be32_to_cpu(sections[i].len);
11513 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011514 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011515 return -EINVAL;
11516 }
11517 }
11518
11519 /* Likewise for the init_ops offsets */
11520 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11521 ops_offsets = (u16 *)(firmware->data + offset);
11522 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11523
11524 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11525 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011526 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011527 return -EINVAL;
11528 }
11529 }
11530
11531 /* Check FW version */
11532 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11533 fw_ver = firmware->data + offset;
11534 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11535 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11536 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11537 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011538 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11539 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11540 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011541 BCM_5710_FW_MINOR_VERSION,
11542 BCM_5710_FW_REVISION_VERSION,
11543 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011544 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011545 }
11546
11547 return 0;
11548}
11549
Eric Dumazet1191cb82012-04-27 21:39:21 +000011550static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011551{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011552 const __be32 *source = (const __be32 *)_source;
11553 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011554 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011555
11556 for (i = 0; i < n/4; i++)
11557 target[i] = be32_to_cpu(source[i]);
11558}
11559
11560/*
11561 Ops array is stored in the following format:
11562 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11563 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011564static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011565{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011566 const __be32 *source = (const __be32 *)_source;
11567 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011568 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011569
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011570 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011571 tmp = be32_to_cpu(source[j]);
11572 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011573 target[i].offset = tmp & 0xffffff;
11574 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011575 }
11576}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011577
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011578/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011579 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11580 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011581static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011582{
11583 const __be32 *source = (const __be32 *)_source;
11584 struct iro *target = (struct iro *)_target;
11585 u32 i, j, tmp;
11586
11587 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11588 target[i].base = be32_to_cpu(source[j]);
11589 j++;
11590 tmp = be32_to_cpu(source[j]);
11591 target[i].m1 = (tmp >> 16) & 0xffff;
11592 target[i].m2 = tmp & 0xffff;
11593 j++;
11594 tmp = be32_to_cpu(source[j]);
11595 target[i].m3 = (tmp >> 16) & 0xffff;
11596 target[i].size = tmp & 0xffff;
11597 j++;
11598 }
11599}
11600
Eric Dumazet1191cb82012-04-27 21:39:21 +000011601static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011602{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011603 const __be16 *source = (const __be16 *)_source;
11604 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011605 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011606
11607 for (i = 0; i < n/2; i++)
11608 target[i] = be16_to_cpu(source[i]);
11609}
11610
Joe Perches7995c642010-02-17 15:01:52 +000011611#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11612do { \
11613 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11614 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011615 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011616 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011617 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11618 (u8 *)bp->arr, len); \
11619} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011620
Yuval Mintz3b603062012-03-18 10:33:39 +000011621static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011622{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011623 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011624 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011625 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011626
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011627 if (bp->firmware)
11628 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011629
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011630 if (CHIP_IS_E1(bp))
11631 fw_file_name = FW_FILE_NAME_E1;
11632 else if (CHIP_IS_E1H(bp))
11633 fw_file_name = FW_FILE_NAME_E1H;
11634 else if (!CHIP_IS_E1x(bp))
11635 fw_file_name = FW_FILE_NAME_E2;
11636 else {
11637 BNX2X_ERR("Unsupported chip revision\n");
11638 return -EINVAL;
11639 }
11640 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011641
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011642 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11643 if (rc) {
11644 BNX2X_ERR("Can't load firmware file %s\n",
11645 fw_file_name);
11646 goto request_firmware_exit;
11647 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011648
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011649 rc = bnx2x_check_firmware(bp);
11650 if (rc) {
11651 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11652 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011653 }
11654
11655 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11656
11657 /* Initialize the pointers to the init arrays */
11658 /* Blob */
11659 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11660
11661 /* Opcodes */
11662 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11663
11664 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011665 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11666 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011667
11668 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011669 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11670 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11671 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11672 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11673 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11674 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11675 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11676 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11677 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11678 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11679 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11680 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11681 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11682 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11683 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11684 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011685 /* IRO */
11686 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011687
11688 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011689
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011690iro_alloc_err:
11691 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011692init_offsets_alloc_err:
11693 kfree(bp->init_ops);
11694init_ops_alloc_err:
11695 kfree(bp->init_data);
11696request_firmware_exit:
11697 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011698 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011699
11700 return rc;
11701}
11702
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011703static void bnx2x_release_firmware(struct bnx2x *bp)
11704{
11705 kfree(bp->init_ops_offsets);
11706 kfree(bp->init_ops);
11707 kfree(bp->init_data);
11708 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011709 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011710}
11711
11712
11713static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11714 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11715 .init_hw_cmn = bnx2x_init_hw_common,
11716 .init_hw_port = bnx2x_init_hw_port,
11717 .init_hw_func = bnx2x_init_hw_func,
11718
11719 .reset_hw_cmn = bnx2x_reset_common,
11720 .reset_hw_port = bnx2x_reset_port,
11721 .reset_hw_func = bnx2x_reset_func,
11722
11723 .gunzip_init = bnx2x_gunzip_init,
11724 .gunzip_end = bnx2x_gunzip_end,
11725
11726 .init_fw = bnx2x_init_firmware,
11727 .release_fw = bnx2x_release_firmware,
11728};
11729
11730void bnx2x__init_func_obj(struct bnx2x *bp)
11731{
11732 /* Prepare DMAE related driver resources */
11733 bnx2x_setup_dmae(bp);
11734
11735 bnx2x_init_func_obj(bp, &bp->func_obj,
11736 bnx2x_sp(bp, func_rdata),
11737 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011738 bnx2x_sp(bp, func_afex_rdata),
11739 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011740 &bnx2x_func_sp_drv);
11741}
11742
11743/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011744static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011745{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011746 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011747
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011748#ifdef BCM_CNIC
11749 cid_count += CNIC_CID_MAX;
11750#endif
11751 return roundup(cid_count, QM_CID_ROUND);
11752}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011753
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011754/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011755 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011756 *
11757 * @dev: pci device
11758 *
11759 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011760static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011761{
11762 int pos;
11763 u16 control;
11764
11765 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011766
Ariel Elior6383c0b2011-07-14 08:31:57 +000011767 /*
11768 * If MSI-X is not supported - return number of SBs needed to support
11769 * one fast path queue: one FP queue + SB for CNIC
11770 */
11771 if (!pos)
11772 return 1 + CNIC_PRESENT;
11773
11774 /*
11775 * The value in the PCI configuration space is the index of the last
11776 * entry, namely one less than the actual size of the table, which is
11777 * exactly what we want to return from this function: number of all SBs
11778 * without the default SB.
11779 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011780 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011781 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011782}
11783
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011784static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11785 const struct pci_device_id *ent)
11786{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011787 struct net_device *dev = NULL;
11788 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011789 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011790 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011791 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011792 /*
11793 * An estimated maximum supported CoS number according to the chip
11794 * version.
11795 * We will try to roughly estimate the maximum number of CoSes this chip
11796 * may support in order to minimize the memory allocated for Tx
11797 * netdev_queue's. This number will be accurately calculated during the
11798 * initialization of bp->max_cos based on the chip versions AND chip
11799 * revision in the bnx2x_init_bp().
11800 */
11801 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011802
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011803 switch (ent->driver_data) {
11804 case BCM57710:
11805 case BCM57711:
11806 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011807 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11808 break;
11809
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011810 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011811 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011812 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11813 break;
11814
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011815 case BCM57800:
11816 case BCM57800_MF:
11817 case BCM57810:
11818 case BCM57810_MF:
Yuval Mintzc3def942012-07-23 10:25:43 +030011819 case BCM57840_O:
11820 case BCM57840_4_10:
11821 case BCM57840_2_20:
11822 case BCM57840_MFO:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011823 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011824 case BCM57811:
11825 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011826 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011827 break;
11828
11829 default:
11830 pr_err("Unknown board_type (%ld), aborting\n",
11831 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011832 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011833 }
11834
Ariel Elior6383c0b2011-07-14 08:31:57 +000011835 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11836
Ariel Elior6383c0b2011-07-14 08:31:57 +000011837 WARN_ON(!max_non_def_sbs);
11838
11839 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11840 rss_count = max_non_def_sbs - CNIC_PRESENT;
11841
11842 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11843 rx_count = rss_count + FCOE_PRESENT;
11844
11845 /*
11846 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000011847 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000011848 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011849 tx_count = rss_count * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011850
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011851 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011852 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011853 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011854 return -ENOMEM;
11855
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011856 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011857
Ariel Elior6383c0b2011-07-14 08:31:57 +000011858 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011859 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011860 pci_set_drvdata(pdev, dev);
11861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011862 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011863 if (rc < 0) {
11864 free_netdev(dev);
11865 return rc;
11866 }
11867
Merav Sicron51c1a582012-03-18 10:33:38 +000011868 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011869
Merav Sicron60aa0502012-06-19 07:48:29 +000011870 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
11871 tx_count, rx_count);
11872
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011873 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011874 if (rc)
11875 goto init_one_exit;
11876
Ariel Elior6383c0b2011-07-14 08:31:57 +000011877 /*
11878 * Map doorbels here as we need the real value of bp->max_cos which
11879 * is initialized in bnx2x_init_bp().
11880 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011881 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
11882 if (doorbell_size > pci_resource_len(pdev, 2)) {
11883 dev_err(&bp->pdev->dev,
11884 "Cannot map doorbells, bar size too small, aborting\n");
11885 rc = -ENOMEM;
11886 goto init_one_exit;
11887 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000011888 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000011889 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011890 if (!bp->doorbells) {
11891 dev_err(&bp->pdev->dev,
11892 "Cannot map doorbell space, aborting\n");
11893 rc = -ENOMEM;
11894 goto init_one_exit;
11895 }
11896
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011897 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011898 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011899
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011900#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011901 /* disable FCOE L2 queue for E1x */
11902 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011903 bp->flags |= NO_FCOE_FLAG;
11904
11905#endif
11906
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011907
11908 /* Set bp->num_queues for MSI-X mode*/
11909 bnx2x_set_num_queues(bp);
11910
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011911 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011912 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011913 */
11914 bnx2x_set_int_mode(bp);
11915
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011916 rc = register_netdev(dev);
11917 if (rc) {
11918 dev_err(&pdev->dev, "Cannot register net device\n");
11919 goto init_one_exit;
11920 }
11921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011922#ifdef BCM_CNIC
11923 if (!NO_FCOE(bp)) {
11924 /* Add storage MAC address */
11925 rtnl_lock();
11926 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11927 rtnl_unlock();
11928 }
11929#endif
11930
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011931 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011932
Merav Sicron51c1a582012-03-18 10:33:38 +000011933 BNX2X_DEV_INFO(
11934 "%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 +000011935 board_info[ent->driver_data].name,
11936 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11937 pcie_width,
11938 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11939 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11940 "5GHz (Gen2)" : "2.5GHz",
11941 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011942
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011943 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011944
11945init_one_exit:
11946 if (bp->regview)
11947 iounmap(bp->regview);
11948
11949 if (bp->doorbells)
11950 iounmap(bp->doorbells);
11951
11952 free_netdev(dev);
11953
11954 if (atomic_read(&pdev->enable_cnt) == 1)
11955 pci_release_regions(pdev);
11956
11957 pci_disable_device(pdev);
11958 pci_set_drvdata(pdev, NULL);
11959
11960 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011961}
11962
11963static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11964{
11965 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011966 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011967
Eliezer Tamir228241e2008-02-28 11:56:57 -080011968 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011969 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011970 return;
11971 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011972 bp = netdev_priv(dev);
11973
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011974#ifdef BCM_CNIC
11975 /* Delete storage MAC address */
11976 if (!NO_FCOE(bp)) {
11977 rtnl_lock();
11978 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11979 rtnl_unlock();
11980 }
11981#endif
11982
Shmulik Ravid98507672011-02-28 12:19:55 -080011983#ifdef BCM_DCBNL
11984 /* Delete app tlvs from dcbnl */
11985 bnx2x_dcbnl_update_applist(bp, true);
11986#endif
11987
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011988 unregister_netdev(dev);
11989
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011990 /* Power on: we can't let PCI layer write to us while we are in D3 */
11991 bnx2x_set_power_state(bp, PCI_D0);
11992
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011993 /* Disable MSI/MSI-X */
11994 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011995
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011996 /* Power off */
11997 bnx2x_set_power_state(bp, PCI_D3hot);
11998
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011999 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012000 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012001
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012002 if (bp->regview)
12003 iounmap(bp->regview);
12004
12005 if (bp->doorbells)
12006 iounmap(bp->doorbells);
12007
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012008 bnx2x_release_firmware(bp);
12009
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012010 bnx2x_free_mem_bp(bp);
12011
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012012 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012013
12014 if (atomic_read(&pdev->enable_cnt) == 1)
12015 pci_release_regions(pdev);
12016
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012017 pci_disable_device(pdev);
12018 pci_set_drvdata(pdev, NULL);
12019}
12020
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012021static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12022{
12023 int i;
12024
12025 bp->state = BNX2X_STATE_ERROR;
12026
12027 bp->rx_mode = BNX2X_RX_MODE_NONE;
12028
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012029#ifdef BCM_CNIC
12030 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12031#endif
12032 /* Stop Tx */
12033 bnx2x_tx_disable(bp);
12034
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012035 bnx2x_netif_stop(bp, 0);
Merav Sicron26614ba2012-08-27 03:26:19 +000012036 /* Delete all NAPI objects */
12037 bnx2x_del_all_napi(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012038
12039 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012040
12041 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012042
12043 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012044 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012045
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012046 /* Free SKBs, SGEs, TPA pool and driver internals */
12047 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012048
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012049 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012050 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012051
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012052 bnx2x_free_mem(bp);
12053
12054 bp->state = BNX2X_STATE_CLOSED;
12055
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012056 netif_carrier_off(bp->dev);
12057
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012058 return 0;
12059}
12060
12061static void bnx2x_eeh_recover(struct bnx2x *bp)
12062{
12063 u32 val;
12064
12065 mutex_init(&bp->port.phy_mutex);
12066
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012067
12068 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12069 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12070 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12071 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012072}
12073
Wendy Xiong493adb12008-06-23 20:36:22 -070012074/**
12075 * bnx2x_io_error_detected - called when PCI error is detected
12076 * @pdev: Pointer to PCI device
12077 * @state: The current pci connection state
12078 *
12079 * This function is called after a PCI bus error affecting
12080 * this device has been detected.
12081 */
12082static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12083 pci_channel_state_t state)
12084{
12085 struct net_device *dev = pci_get_drvdata(pdev);
12086 struct bnx2x *bp = netdev_priv(dev);
12087
12088 rtnl_lock();
12089
12090 netif_device_detach(dev);
12091
Dean Nelson07ce50e2009-07-31 09:13:25 +000012092 if (state == pci_channel_io_perm_failure) {
12093 rtnl_unlock();
12094 return PCI_ERS_RESULT_DISCONNECT;
12095 }
12096
Wendy Xiong493adb12008-06-23 20:36:22 -070012097 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012098 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012099
12100 pci_disable_device(pdev);
12101
12102 rtnl_unlock();
12103
12104 /* Request a slot reset */
12105 return PCI_ERS_RESULT_NEED_RESET;
12106}
12107
12108/**
12109 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12110 * @pdev: Pointer to PCI device
12111 *
12112 * Restart the card from scratch, as if from a cold-boot.
12113 */
12114static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12115{
12116 struct net_device *dev = pci_get_drvdata(pdev);
12117 struct bnx2x *bp = netdev_priv(dev);
12118
12119 rtnl_lock();
12120
12121 if (pci_enable_device(pdev)) {
12122 dev_err(&pdev->dev,
12123 "Cannot re-enable PCI device after reset\n");
12124 rtnl_unlock();
12125 return PCI_ERS_RESULT_DISCONNECT;
12126 }
12127
12128 pci_set_master(pdev);
12129 pci_restore_state(pdev);
12130
12131 if (netif_running(dev))
12132 bnx2x_set_power_state(bp, PCI_D0);
12133
12134 rtnl_unlock();
12135
12136 return PCI_ERS_RESULT_RECOVERED;
12137}
12138
12139/**
12140 * bnx2x_io_resume - called when traffic can start flowing again
12141 * @pdev: Pointer to PCI device
12142 *
12143 * This callback is called when the error recovery driver tells us that
12144 * its OK to resume normal operation.
12145 */
12146static void bnx2x_io_resume(struct pci_dev *pdev)
12147{
12148 struct net_device *dev = pci_get_drvdata(pdev);
12149 struct bnx2x *bp = netdev_priv(dev);
12150
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012151 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012152 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012153 return;
12154 }
12155
Wendy Xiong493adb12008-06-23 20:36:22 -070012156 rtnl_lock();
12157
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012158 bnx2x_eeh_recover(bp);
12159
Wendy Xiong493adb12008-06-23 20:36:22 -070012160 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012161 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012162
12163 netif_device_attach(dev);
12164
12165 rtnl_unlock();
12166}
12167
12168static struct pci_error_handlers bnx2x_err_handler = {
12169 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012170 .slot_reset = bnx2x_io_slot_reset,
12171 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012172};
12173
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012174static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012175 .name = DRV_MODULE_NAME,
12176 .id_table = bnx2x_pci_tbl,
12177 .probe = bnx2x_init_one,
12178 .remove = __devexit_p(bnx2x_remove_one),
12179 .suspend = bnx2x_suspend,
12180 .resume = bnx2x_resume,
12181 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012182};
12183
12184static int __init bnx2x_init(void)
12185{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012186 int ret;
12187
Joe Perches7995c642010-02-17 15:01:52 +000012188 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012189
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012190 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12191 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012192 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012193 return -ENOMEM;
12194 }
12195
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012196 ret = pci_register_driver(&bnx2x_pci_driver);
12197 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012198 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012199 destroy_workqueue(bnx2x_wq);
12200 }
12201 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012202}
12203
12204static void __exit bnx2x_cleanup(void)
12205{
Yuval Mintz452427b2012-03-26 20:47:07 +000012206 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012207 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012208
12209 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012210
12211 /* Free globablly allocated resources */
12212 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12213 struct bnx2x_prev_path_list *tmp =
12214 list_entry(pos, struct bnx2x_prev_path_list, list);
12215 list_del(pos);
12216 kfree(tmp);
12217 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012218}
12219
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012220void bnx2x_notify_link_changed(struct bnx2x *bp)
12221{
12222 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12223}
12224
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012225module_init(bnx2x_init);
12226module_exit(bnx2x_cleanup);
12227
Michael Chan993ac7b2009-10-10 13:46:56 +000012228#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012229/**
12230 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12231 *
12232 * @bp: driver handle
12233 * @set: set or clear the CAM entry
12234 *
12235 * This function will wait until the ramdord completion returns.
12236 * Return 0 if success, -ENODEV if ramrod doesn't return.
12237 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012238static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012239{
12240 unsigned long ramrod_flags = 0;
12241
12242 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12243 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12244 &bp->iscsi_l2_mac_obj, true,
12245 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12246}
Michael Chan993ac7b2009-10-10 13:46:56 +000012247
12248/* count denotes the number of new completions we have seen */
12249static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12250{
12251 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012252 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012253
12254#ifdef BNX2X_STOP_ON_ERROR
12255 if (unlikely(bp->panic))
12256 return;
12257#endif
12258
12259 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012260 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012261 bp->cnic_spq_pending -= count;
12262
Michael Chan993ac7b2009-10-10 13:46:56 +000012263
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012264 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12265 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12266 & SPE_HDR_CONN_TYPE) >>
12267 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012268 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12269 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012270
12271 /* Set validation for iSCSI L2 client before sending SETUP
12272 * ramrod
12273 */
12274 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012275 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012276 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012277 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012278 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012279 (cxt_index * ILT_PAGE_CIDS);
12280 bnx2x_set_ctx_validation(bp,
12281 &bp->context[cxt_index].
12282 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012283 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012284 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012285 }
12286
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012287 /*
12288 * There may be not more than 8 L2, not more than 8 L5 SPEs
12289 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012290 * COMMON ramrods is not more than the EQ and SPQ can
12291 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012292 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012293 if (type == ETH_CONNECTION_TYPE) {
12294 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012295 break;
12296 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012297 atomic_dec(&bp->cq_spq_left);
12298 } else if (type == NONE_CONNECTION_TYPE) {
12299 if (!atomic_read(&bp->eq_spq_left))
12300 break;
12301 else
12302 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012303 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12304 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012305 if (bp->cnic_spq_pending >=
12306 bp->cnic_eth_dev.max_kwqe_pending)
12307 break;
12308 else
12309 bp->cnic_spq_pending++;
12310 } else {
12311 BNX2X_ERR("Unknown SPE type: %d\n", type);
12312 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012313 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012314 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012315
12316 spe = bnx2x_sp_get_next(bp);
12317 *spe = *bp->cnic_kwq_cons;
12318
Merav Sicron51c1a582012-03-18 10:33:38 +000012319 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012320 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12321
12322 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12323 bp->cnic_kwq_cons = bp->cnic_kwq;
12324 else
12325 bp->cnic_kwq_cons++;
12326 }
12327 bnx2x_sp_prod_update(bp);
12328 spin_unlock_bh(&bp->spq_lock);
12329}
12330
12331static int bnx2x_cnic_sp_queue(struct net_device *dev,
12332 struct kwqe_16 *kwqes[], u32 count)
12333{
12334 struct bnx2x *bp = netdev_priv(dev);
12335 int i;
12336
12337#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012338 if (unlikely(bp->panic)) {
12339 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012340 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012341 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012342#endif
12343
Ariel Elior95c6c6162012-01-26 06:01:52 +000012344 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12345 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012346 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012347 return -EAGAIN;
12348 }
12349
Michael Chan993ac7b2009-10-10 13:46:56 +000012350 spin_lock_bh(&bp->spq_lock);
12351
12352 for (i = 0; i < count; i++) {
12353 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12354
12355 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12356 break;
12357
12358 *bp->cnic_kwq_prod = *spe;
12359
12360 bp->cnic_kwq_pending++;
12361
Merav Sicron51c1a582012-03-18 10:33:38 +000012362 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012363 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012364 spe->data.update_data_addr.hi,
12365 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012366 bp->cnic_kwq_pending);
12367
12368 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12369 bp->cnic_kwq_prod = bp->cnic_kwq;
12370 else
12371 bp->cnic_kwq_prod++;
12372 }
12373
12374 spin_unlock_bh(&bp->spq_lock);
12375
12376 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12377 bnx2x_cnic_sp_post(bp, 0);
12378
12379 return i;
12380}
12381
12382static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12383{
12384 struct cnic_ops *c_ops;
12385 int rc = 0;
12386
12387 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012388 c_ops = rcu_dereference_protected(bp->cnic_ops,
12389 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012390 if (c_ops)
12391 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12392 mutex_unlock(&bp->cnic_mutex);
12393
12394 return rc;
12395}
12396
12397static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12398{
12399 struct cnic_ops *c_ops;
12400 int rc = 0;
12401
12402 rcu_read_lock();
12403 c_ops = rcu_dereference(bp->cnic_ops);
12404 if (c_ops)
12405 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12406 rcu_read_unlock();
12407
12408 return rc;
12409}
12410
12411/*
12412 * for commands that have no data
12413 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012414int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012415{
12416 struct cnic_ctl_info ctl = {0};
12417
12418 ctl.cmd = cmd;
12419
12420 return bnx2x_cnic_ctl_send(bp, &ctl);
12421}
12422
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012423static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012424{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012425 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012426
12427 /* first we tell CNIC and only then we count this as a completion */
12428 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12429 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012430 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012431
12432 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012433 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012434}
12435
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012436
12437/* Called with netif_addr_lock_bh() taken.
12438 * Sets an rx_mode config for an iSCSI ETH client.
12439 * Doesn't block.
12440 * Completion should be checked outside.
12441 */
12442static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12443{
12444 unsigned long accept_flags = 0, ramrod_flags = 0;
12445 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12446 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12447
12448 if (start) {
12449 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12450 * because it's the only way for UIO Queue to accept
12451 * multicasts (in non-promiscuous mode only one Queue per
12452 * function will receive multicast packets (leading in our
12453 * case).
12454 */
12455 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12456 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12457 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12458 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12459
12460 /* Clear STOP_PENDING bit if START is requested */
12461 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12462
12463 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12464 } else
12465 /* Clear START_PENDING bit if STOP is requested */
12466 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12467
12468 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12469 set_bit(sched_state, &bp->sp_state);
12470 else {
12471 __set_bit(RAMROD_RX, &ramrod_flags);
12472 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12473 ramrod_flags);
12474 }
12475}
12476
12477
Michael Chan993ac7b2009-10-10 13:46:56 +000012478static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12479{
12480 struct bnx2x *bp = netdev_priv(dev);
12481 int rc = 0;
12482
12483 switch (ctl->cmd) {
12484 case DRV_CTL_CTXTBL_WR_CMD: {
12485 u32 index = ctl->data.io.offset;
12486 dma_addr_t addr = ctl->data.io.dma_addr;
12487
12488 bnx2x_ilt_wr(bp, index, addr);
12489 break;
12490 }
12491
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012492 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12493 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012494
12495 bnx2x_cnic_sp_post(bp, count);
12496 break;
12497 }
12498
12499 /* rtnl_lock is held. */
12500 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012501 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12502 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012503
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012504 /* Configure the iSCSI classification object */
12505 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12506 cp->iscsi_l2_client_id,
12507 cp->iscsi_l2_cid, BP_FUNC(bp),
12508 bnx2x_sp(bp, mac_rdata),
12509 bnx2x_sp_mapping(bp, mac_rdata),
12510 BNX2X_FILTER_MAC_PENDING,
12511 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12512 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012513
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012514 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012515 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12516 if (rc)
12517 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012518
12519 mmiowb();
12520 barrier();
12521
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012522 /* Start accepting on iSCSI L2 ring */
12523
12524 netif_addr_lock_bh(dev);
12525 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12526 netif_addr_unlock_bh(dev);
12527
12528 /* bits to wait on */
12529 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12530 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12531
12532 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12533 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012534
Michael Chan993ac7b2009-10-10 13:46:56 +000012535 break;
12536 }
12537
12538 /* rtnl_lock is held. */
12539 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012540 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012541
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012542 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012543 netif_addr_lock_bh(dev);
12544 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12545 netif_addr_unlock_bh(dev);
12546
12547 /* bits to wait on */
12548 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12549 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12550
12551 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12552 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012553
12554 mmiowb();
12555 barrier();
12556
12557 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012558 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12559 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012560 break;
12561 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012562 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12563 int count = ctl->data.credit.credit_count;
12564
12565 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012566 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012567 smp_mb__after_atomic_inc();
12568 break;
12569 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012570 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012571 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012572
12573 if (CHIP_IS_E3(bp)) {
12574 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012575 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12576 int path = BP_PATH(bp);
12577 int port = BP_PORT(bp);
12578 int i;
12579 u32 scratch_offset;
12580 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012581
Barak Witkowski2e499d32012-06-26 01:31:19 +000012582 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012583 if (ulp_type == CNIC_ULP_ISCSI)
12584 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12585 else if (ulp_type == CNIC_ULP_FCOE)
12586 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12587 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012588
12589 if ((ulp_type != CNIC_ULP_FCOE) ||
12590 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12591 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12592 break;
12593
12594 /* if reached here - should write fcoe capabilities */
12595 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12596 if (!scratch_offset)
12597 break;
12598 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12599 fcoe_features[path][port]);
12600 host_addr = (u32 *) &(ctl->data.register_data.
12601 fcoe_features);
12602 for (i = 0; i < sizeof(struct fcoe_capabilities);
12603 i += 4)
12604 REG_WR(bp, scratch_offset + i,
12605 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012606 }
12607 break;
12608 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012609
Barak Witkowski1d187b32011-12-05 22:41:50 +000012610 case DRV_CTL_ULP_UNREGISTER_CMD: {
12611 int ulp_type = ctl->data.ulp_type;
12612
12613 if (CHIP_IS_E3(bp)) {
12614 int idx = BP_FW_MB_IDX(bp);
12615 u32 cap;
12616
12617 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12618 if (ulp_type == CNIC_ULP_ISCSI)
12619 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12620 else if (ulp_type == CNIC_ULP_FCOE)
12621 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12622 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12623 }
12624 break;
12625 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012626
12627 default:
12628 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12629 rc = -EINVAL;
12630 }
12631
12632 return rc;
12633}
12634
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012635void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012636{
12637 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12638
12639 if (bp->flags & USING_MSIX_FLAG) {
12640 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12641 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12642 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12643 } else {
12644 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12645 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12646 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012647 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012648 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12649 else
12650 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12651
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012652 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12653 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012654 cp->irq_arr[1].status_blk = bp->def_status_blk;
12655 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012656 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012657
12658 cp->num_irq = 2;
12659}
12660
Merav Sicron37ae41a2012-06-19 07:48:27 +000012661void bnx2x_setup_cnic_info(struct bnx2x *bp)
12662{
12663 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12664
12665
12666 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12667 bnx2x_cid_ilt_lines(bp);
12668 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12669 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12670 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12671
12672 if (NO_ISCSI_OOO(bp))
12673 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12674}
12675
Michael Chan993ac7b2009-10-10 13:46:56 +000012676static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12677 void *data)
12678{
12679 struct bnx2x *bp = netdev_priv(dev);
12680 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12681
Merav Sicron51c1a582012-03-18 10:33:38 +000012682 if (ops == NULL) {
12683 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012684 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012685 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012686
Michael Chan993ac7b2009-10-10 13:46:56 +000012687 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12688 if (!bp->cnic_kwq)
12689 return -ENOMEM;
12690
12691 bp->cnic_kwq_cons = bp->cnic_kwq;
12692 bp->cnic_kwq_prod = bp->cnic_kwq;
12693 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12694
12695 bp->cnic_spq_pending = 0;
12696 bp->cnic_kwq_pending = 0;
12697
12698 bp->cnic_data = data;
12699
12700 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012701 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012702 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012703
Michael Chan993ac7b2009-10-10 13:46:56 +000012704 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012705
Michael Chan993ac7b2009-10-10 13:46:56 +000012706 rcu_assign_pointer(bp->cnic_ops, ops);
12707
12708 return 0;
12709}
12710
12711static int bnx2x_unregister_cnic(struct net_device *dev)
12712{
12713 struct bnx2x *bp = netdev_priv(dev);
12714 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12715
12716 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012717 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012718 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012719 mutex_unlock(&bp->cnic_mutex);
12720 synchronize_rcu();
12721 kfree(bp->cnic_kwq);
12722 bp->cnic_kwq = NULL;
12723
12724 return 0;
12725}
12726
12727struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12728{
12729 struct bnx2x *bp = netdev_priv(dev);
12730 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12731
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012732 /* If both iSCSI and FCoE are disabled - return NULL in
12733 * order to indicate CNIC that it should not try to work
12734 * with this device.
12735 */
12736 if (NO_ISCSI(bp) && NO_FCOE(bp))
12737 return NULL;
12738
Michael Chan993ac7b2009-10-10 13:46:56 +000012739 cp->drv_owner = THIS_MODULE;
12740 cp->chip_id = CHIP_ID(bp);
12741 cp->pdev = bp->pdev;
12742 cp->io_base = bp->regview;
12743 cp->io_base2 = bp->doorbells;
12744 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012745 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012746 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12747 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012748 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012749 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012750 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12751 cp->drv_ctl = bnx2x_drv_ctl;
12752 cp->drv_register_cnic = bnx2x_register_cnic;
12753 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012754 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012755 cp->iscsi_l2_client_id =
12756 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012757 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012758
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012759 if (NO_ISCSI_OOO(bp))
12760 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12761
12762 if (NO_ISCSI(bp))
12763 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12764
12765 if (NO_FCOE(bp))
12766 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12767
Merav Sicron51c1a582012-03-18 10:33:38 +000012768 BNX2X_DEV_INFO(
12769 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012770 cp->ctx_blk_size,
12771 cp->ctx_tbl_offset,
12772 cp->ctx_tbl_len,
12773 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012774 return cp;
12775}
12776EXPORT_SYMBOL(bnx2x_cnic_probe);
12777
12778#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012779