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Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2007-2012 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Joe Perchesf1deab52011-08-14 12:16:21 +000018#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020020#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/device.h> /* for dev_info() */
24#include <linux/timer.h>
25#include <linux/errno.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020028#include <linux/interrupt.h>
29#include <linux/pci.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/dma-mapping.h>
35#include <linux/bitops.h>
36#include <linux/irq.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/time.h>
40#include <linux/ethtool.h>
41#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080042#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030044#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000054#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000055#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070056#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058#include "bnx2x.h"
59#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000061#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000062#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000063#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020064
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070065#include <linux/firmware.h>
66#include "bnx2x_fw_file_hdr.h"
67/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000068#define FW_FILE_VERSION \
69 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
70 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
71 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
72 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000073#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
74#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000075#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070076
Barak Witkowski2e499d32012-06-26 01:31:19 +000077#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
78
Eilon Greenstein34f80b02008-06-23 20:33:01 -070079/* Time in jiffies before concluding the transmitter is hung */
80#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020081
Andrew Morton53a10562008-02-09 23:16:41 -080082static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030083 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020084 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
85
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070086MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000087MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030088 "BCM57710/57711/57711E/"
89 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
90 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020091MODULE_LICENSE("GPL");
92MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000093MODULE_FIRMWARE(FW_FILE_NAME_E1);
94MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000095MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020096
Eilon Greensteinca003922009-08-12 22:53:28 -070097
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000098int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000099module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000100MODULE_PARM_DESC(num_queues,
101 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000102
Eilon Greenstein19680c42008-08-13 15:47:33 -0700103static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700104module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000105MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000107#define INT_MODE_INTx 1
108#define INT_MODE_MSI 2
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000109int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000110module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300111MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000112 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000113
Eilon Greensteina18f5122009-08-12 08:23:26 +0000114static int dropless_fc;
115module_param(dropless_fc, int, 0);
116MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
117
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000118static int mrrs = -1;
119module_param(mrrs, int, 0);
120MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
121
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000124MODULE_PARM_DESC(debug, " Default debug msglevel");
125
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200126
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300127
128struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200130enum bnx2x_board_type {
131 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300132 BCM57711,
133 BCM57711E,
134 BCM57712,
135 BCM57712_MF,
136 BCM57800,
137 BCM57800_MF,
138 BCM57810,
139 BCM57810_MF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300140 BCM57840_O,
141 BCM57840_4_10,
142 BCM57840_2_20,
143 BCM57840_MFO,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000144 BCM57840_MF,
145 BCM57811,
146 BCM57811_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200147};
148
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700149/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800150static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200151 char *name;
152} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300153 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
154 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
155 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
156 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
157 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
158 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
159 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
160 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
161 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
162 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
Yuval Mintzc3def942012-07-23 10:25:43 +0300163 { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
164 { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
165 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000166 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
167 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet"},
168 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function"},
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200169};
170
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300171#ifndef PCI_DEVICE_ID_NX2_57710
172#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57711
175#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57711E
178#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57712
181#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57712_MF
184#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57800
187#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57800_MF
190#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57810
193#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57810_MF
196#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
197#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300198#ifndef PCI_DEVICE_ID_NX2_57840_O
199#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57840_4_10
202#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
203#endif
204#ifndef PCI_DEVICE_ID_NX2_57840_2_20
205#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
206#endif
207#ifndef PCI_DEVICE_ID_NX2_57840_MFO
208#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300209#endif
210#ifndef PCI_DEVICE_ID_NX2_57840_MF
211#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
212#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000213#ifndef PCI_DEVICE_ID_NX2_57811
214#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
215#endif
216#ifndef PCI_DEVICE_ID_NX2_57811_MF
217#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
218#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000219static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000220 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
221 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
222 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000223 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300224 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
225 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
226 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
227 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
228 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300229 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
230 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
231 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
232 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300233 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000234 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
235 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200236 { 0 }
237};
238
239MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
240
Yuval Mintz452427b2012-03-26 20:47:07 +0000241/* Global resources for unloading a previously loaded device */
242#define BNX2X_PREV_WAIT_NEEDED 1
243static DEFINE_SEMAPHORE(bnx2x_prev_sem);
244static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200245/****************************************************************************
246* General service functions
247****************************************************************************/
248
Eric Dumazet1191cb82012-04-27 21:39:21 +0000249static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300250 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000251{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300252 REG_WR(bp, addr, U64_LO(mapping));
253 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000254}
255
Eric Dumazet1191cb82012-04-27 21:39:21 +0000256static void storm_memset_spq_addr(struct bnx2x *bp,
257 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300258{
259 u32 addr = XSEM_REG_FAST_MEMORY +
260 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
261
262 __storm_memset_dma_mapping(bp, addr, mapping);
263}
264
Eric Dumazet1191cb82012-04-27 21:39:21 +0000265static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
266 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300267{
268 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
269 pf_id);
270 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
271 pf_id);
272 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
273 pf_id);
274 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
275 pf_id);
276}
277
Eric Dumazet1191cb82012-04-27 21:39:21 +0000278static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
279 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300280{
281 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
282 enable);
283 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
284 enable);
285 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
286 enable);
287 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
288 enable);
289}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000290
Eric Dumazet1191cb82012-04-27 21:39:21 +0000291static void storm_memset_eq_data(struct bnx2x *bp,
292 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000293 u16 pfid)
294{
295 size_t size = sizeof(struct event_ring_data);
296
297 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
298
299 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
300}
301
Eric Dumazet1191cb82012-04-27 21:39:21 +0000302static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
303 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000304{
305 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
306 REG_WR16(bp, addr, eq_prod);
307}
308
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200309/* used only at init
310 * locking is done by mcp
311 */
stephen hemminger8d962862010-10-21 07:50:56 +0000312static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200313{
314 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
315 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
316 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
317 PCICFG_VENDOR_ID_OFFSET);
318}
319
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200320static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
321{
322 u32 val;
323
324 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
325 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
326 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
327 PCICFG_VENDOR_ID_OFFSET);
328
329 return val;
330}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000332#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
333#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
334#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
335#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
336#define DMAE_DP_DST_NONE "dst_addr [none]"
337
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200339/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000340void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200341{
342 u32 cmd_offset;
343 int i;
344
345 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
346 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
347 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200348 }
349 REG_WR(bp, dmae_reg_go_c[idx], 1);
350}
351
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000352u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
353{
354 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
355 DMAE_CMD_C_ENABLE);
356}
357
358u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
359{
360 return opcode & ~DMAE_CMD_SRC_RESET;
361}
362
363u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
364 bool with_comp, u8 comp_type)
365{
366 u32 opcode = 0;
367
368 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
369 (dst_type << DMAE_COMMAND_DST_SHIFT));
370
371 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
372
373 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400374 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
375 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000376 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
377
378#ifdef __BIG_ENDIAN
379 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
380#else
381 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
382#endif
383 if (with_comp)
384 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
385 return opcode;
386}
387
stephen hemminger8d962862010-10-21 07:50:56 +0000388static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
389 struct dmae_command *dmae,
390 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391{
392 memset(dmae, 0, sizeof(struct dmae_command));
393
394 /* set the opcode */
395 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
396 true, DMAE_COMP_PCI);
397
398 /* fill in the completion parameters */
399 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
400 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
401 dmae->comp_val = DMAE_COMP_VAL;
402}
403
404/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000405static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
406 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000407{
408 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000409 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000410 int rc = 0;
411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300412 /*
413 * Lock the dmae channel. Disable BHs to prevent a dead-lock
414 * as long as this code is called both from syscall context and
415 * from ndo_set_rx_mode() flow that may be called from BH.
416 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800417 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000418
419 /* reset completion */
420 *wb_comp = 0;
421
422 /* post the command on the channel used for initializations */
423 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
424
425 /* wait for completion */
426 udelay(5);
427 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000428
Ariel Elior95c6c6162012-01-26 06:01:52 +0000429 if (!cnt ||
430 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
431 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432 BNX2X_ERR("DMAE timeout!\n");
433 rc = DMAE_TIMEOUT;
434 goto unlock;
435 }
436 cnt--;
437 udelay(50);
438 }
439 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
440 BNX2X_ERR("DMAE PCI error!\n");
441 rc = DMAE_PCI_ERROR;
442 }
443
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800445 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000446 return rc;
447}
448
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700449void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
450 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200451{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000452 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700453
454 if (!bp->dmae_ready) {
455 u32 *data = bnx2x_sp(bp, wb_data[0]);
456
Ariel Elior127a4252012-01-26 06:01:46 +0000457 if (CHIP_IS_E1(bp))
458 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
459 else
460 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700461 return;
462 }
463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000464 /* set opcode and fixed command fields */
465 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200466
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000467 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000468 dmae.src_addr_lo = U64_LO(dma_addr);
469 dmae.src_addr_hi = U64_HI(dma_addr);
470 dmae.dst_addr_lo = dst_addr >> 2;
471 dmae.dst_addr_hi = 0;
472 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000474 /* issue the command and wait for completion */
475 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200476}
477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700478void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200479{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000480 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700481
482 if (!bp->dmae_ready) {
483 u32 *data = bnx2x_sp(bp, wb_data[0]);
484 int i;
485
Merav Sicron51c1a582012-03-18 10:33:38 +0000486 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000487 for (i = 0; i < len32; i++)
488 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000489 else
Ariel Elior127a4252012-01-26 06:01:46 +0000490 for (i = 0; i < len32; i++)
491 data[i] = REG_RD(bp, src_addr + i*4);
492
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700493 return;
494 }
495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000496 /* set opcode and fixed command fields */
497 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200498
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000499 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000500 dmae.src_addr_lo = src_addr >> 2;
501 dmae.src_addr_hi = 0;
502 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
503 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
504 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200505
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000506 /* issue the command and wait for completion */
507 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200509
stephen hemminger8d962862010-10-21 07:50:56 +0000510static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
511 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000512{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000513 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000514 int offset = 0;
515
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000516 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000517 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000518 addr + offset, dmae_wr_max);
519 offset += dmae_wr_max * 4;
520 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000521 }
522
523 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
524}
525
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200526static int bnx2x_mc_assert(struct bnx2x *bp)
527{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200528 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700529 int i, rc = 0;
530 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200531
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700532 /* XSTORM */
533 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
534 XSTORM_ASSERT_LIST_INDEX_OFFSET);
535 if (last_idx)
536 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200537
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700538 /* print the asserts */
539 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200540
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700541 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
542 XSTORM_ASSERT_LIST_OFFSET(i));
543 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
544 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
545 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
546 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
547 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
548 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200549
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700550 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000551 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700552 i, row3, row2, row1, row0);
553 rc++;
554 } else {
555 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200556 }
557 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700558
559 /* TSTORM */
560 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
561 TSTORM_ASSERT_LIST_INDEX_OFFSET);
562 if (last_idx)
563 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
564
565 /* print the asserts */
566 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
567
568 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
569 TSTORM_ASSERT_LIST_OFFSET(i));
570 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
571 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
572 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
573 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
574 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
575 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
576
577 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000578 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700579 i, row3, row2, row1, row0);
580 rc++;
581 } else {
582 break;
583 }
584 }
585
586 /* CSTORM */
587 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
588 CSTORM_ASSERT_LIST_INDEX_OFFSET);
589 if (last_idx)
590 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
591
592 /* print the asserts */
593 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
594
595 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
596 CSTORM_ASSERT_LIST_OFFSET(i));
597 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
598 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
599 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
600 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
601 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
602 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
603
604 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000605 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700606 i, row3, row2, row1, row0);
607 rc++;
608 } else {
609 break;
610 }
611 }
612
613 /* USTORM */
614 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
615 USTORM_ASSERT_LIST_INDEX_OFFSET);
616 if (last_idx)
617 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
618
619 /* print the asserts */
620 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
621
622 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
623 USTORM_ASSERT_LIST_OFFSET(i));
624 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
625 USTORM_ASSERT_LIST_OFFSET(i) + 4);
626 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
627 USTORM_ASSERT_LIST_OFFSET(i) + 8);
628 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
629 USTORM_ASSERT_LIST_OFFSET(i) + 12);
630
631 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000632 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700633 i, row3, row2, row1, row0);
634 rc++;
635 } else {
636 break;
637 }
638 }
639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640 return rc;
641}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800642
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000643void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200644{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000645 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000647 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000649 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000650 if (BP_NOMCP(bp)) {
651 BNX2X_ERR("NO MCP - can not dump\n");
652 return;
653 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000654 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
655 (bp->common.bc_ver & 0xff0000) >> 16,
656 (bp->common.bc_ver & 0xff00) >> 8,
657 (bp->common.bc_ver & 0xff));
658
659 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
660 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000661 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000663 if (BP_PATH(bp) == 0)
664 trace_shmem_base = bp->common.shmem_base;
665 else
666 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000667 addr = trace_shmem_base - 0x800;
668
669 /* validate TRCB signature */
670 mark = REG_RD(bp, addr);
671 if (mark != MFW_TRACE_SIGNATURE) {
672 BNX2X_ERR("Trace buffer signature is missing.");
673 return ;
674 }
675
676 /* read cyclic buffer pointer */
677 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000678 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
680 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000681 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200682
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000683 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000684 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200685 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000686 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200687 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000688 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200689 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000690 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200691 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000692 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200693 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000694 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200695 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000696 printk("%s" "end of fw dump\n", lvl);
697}
698
Eric Dumazet1191cb82012-04-27 21:39:21 +0000699static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000700{
701 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200702}
703
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000704void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200705{
706 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000707 u16 j;
708 struct hc_sp_status_block_data sp_sb_data;
709 int func = BP_FUNC(bp);
710#ifdef BNX2X_STOP_ON_ERROR
711 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000712 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000713#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200714
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700715 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000716 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700717 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200719 BNX2X_ERR("begin crash dump -----------------\n");
720
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000721 /* Indices */
722 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000723 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x) spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300724 bp->def_idx, bp->def_att_idx, bp->attn_state,
725 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000726 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
727 bp->def_status_blk->atten_status_block.attn_bits,
728 bp->def_status_blk->atten_status_block.attn_bits_ack,
729 bp->def_status_blk->atten_status_block.status_block_id,
730 bp->def_status_blk->atten_status_block.attn_bits_index);
731 BNX2X_ERR(" def (");
732 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
733 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000734 bp->def_status_blk->sp_sb.index_values[i],
735 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000736
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000737 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
738 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
739 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
740 i*sizeof(u32));
741
Joe Perchesf1deab52011-08-14 12:16:21 +0000742 pr_cont("igu_sb_id(0x%x) igu_seg_id(0x%x) pf_id(0x%x) vnic_id(0x%x) vf_id(0x%x) vf_valid (0x%x) state(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000743 sp_sb_data.igu_sb_id,
744 sp_sb_data.igu_seg_id,
745 sp_sb_data.p_func.pf_id,
746 sp_sb_data.p_func.vnic_id,
747 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300748 sp_sb_data.p_func.vf_valid,
749 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000750
751
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000752 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000753 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000754 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000755 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000756 struct hc_status_block_data_e1x sb_data_e1x;
757 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300758 CHIP_IS_E1x(bp) ?
759 sb_data_e1x.common.state_machine :
760 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000761 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300762 CHIP_IS_E1x(bp) ?
763 sb_data_e1x.index_data :
764 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000765 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000766 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000767 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000768
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000769 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000770 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x) rx_comp_prod(0x%x) rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000771 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000772 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000773 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000774 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x) fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000775 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000776 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000777
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000779 for_each_cos_in_tx_queue(fp, cos)
780 {
Merav Sicron65565882012-06-19 07:48:26 +0000781 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000782 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x) tx_bd_prod(0x%x) tx_bd_cons(0x%x) *tx_cons_sb(0x%x)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000783 i, txdata.tx_pkt_prod,
784 txdata.tx_pkt_cons, txdata.tx_bd_prod,
785 txdata.tx_bd_cons,
786 le16_to_cpu(*txdata.tx_cons_sb));
787 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000788
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300789 loop = CHIP_IS_E1x(bp) ?
790 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000791
792 /* host sb data */
793
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000794#ifdef BCM_CNIC
795 if (IS_FCOE_FP(fp))
796 continue;
797#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000798 BNX2X_ERR(" run indexes (");
799 for (j = 0; j < HC_SB_MAX_SM; j++)
800 pr_cont("0x%x%s",
801 fp->sb_running_index[j],
802 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
803
804 BNX2X_ERR(" indexes (");
805 for (j = 0; j < loop; j++)
806 pr_cont("0x%x%s",
807 fp->sb_index_values[j],
808 (j == loop - 1) ? ")" : " ");
809 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300810 data_size = CHIP_IS_E1x(bp) ?
811 sizeof(struct hc_status_block_data_e1x) :
812 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000813 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300814 sb_data_p = CHIP_IS_E1x(bp) ?
815 (u32 *)&sb_data_e1x :
816 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000817 /* copy sb data in here */
818 for (j = 0; j < data_size; j++)
819 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
820 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
821 j * sizeof(u32));
822
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300823 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000824 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000825 sb_data_e2.common.p_func.pf_id,
826 sb_data_e2.common.p_func.vf_id,
827 sb_data_e2.common.p_func.vf_valid,
828 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300829 sb_data_e2.common.same_igu_sb_1b,
830 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000831 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000832 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000833 sb_data_e1x.common.p_func.pf_id,
834 sb_data_e1x.common.p_func.vf_id,
835 sb_data_e1x.common.p_func.vf_valid,
836 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300837 sb_data_e1x.common.same_igu_sb_1b,
838 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000839 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000840
841 /* SB_SMs data */
842 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000843 pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x) igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
844 j, hc_sm_p[j].__flags,
845 hc_sm_p[j].igu_sb_id,
846 hc_sm_p[j].igu_seg_id,
847 hc_sm_p[j].time_to_expire,
848 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000849 }
850
851 /* Indecies data */
852 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000853 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000854 hc_index_p[j].flags,
855 hc_index_p[j].timeout);
856 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000857 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200858
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000859#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000860 /* Rings */
861 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000862 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000863 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
865 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
866 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000867 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
869 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
870
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000871 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000872 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 }
874
Eilon Greenstein3196a882008-08-13 15:58:49 -0700875 start = RX_SGE(fp->rx_sge_prod);
876 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000877 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700878 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
879 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
880
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000881 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
882 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700883 }
884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200885 start = RCQ_BD(fp->rx_comp_cons - 10);
886 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000887 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
889
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000890 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
891 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200892 }
893 }
894
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000895 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000896 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000897 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000898 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +0000899 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000900
Ariel Elior6383c0b2011-07-14 08:31:57 +0000901 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
902 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
903 for (j = start; j != end; j = TX_BD(j + 1)) {
904 struct sw_tx_bd *sw_bd =
905 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000906
Merav Sicron51c1a582012-03-18 10:33:38 +0000907 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000908 i, cos, j, sw_bd->skb,
909 sw_bd->first_bd);
910 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000911
Ariel Elior6383c0b2011-07-14 08:31:57 +0000912 start = TX_BD(txdata->tx_bd_cons - 10);
913 end = TX_BD(txdata->tx_bd_cons + 254);
914 for (j = start; j != end; j = TX_BD(j + 1)) {
915 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000916
Merav Sicron51c1a582012-03-18 10:33:38 +0000917 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000918 i, cos, j, tx_bd[0], tx_bd[1],
919 tx_bd[2], tx_bd[3]);
920 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000921 }
922 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000923#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700924 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200925 bnx2x_mc_assert(bp);
926 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200927}
928
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300929/*
930 * FLR Support for E2
931 *
932 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
933 * initialization.
934 */
935#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000936#define FLR_WAIT_INTERVAL 50 /* usec */
937#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300938
939struct pbf_pN_buf_regs {
940 int pN;
941 u32 init_crd;
942 u32 crd;
943 u32 crd_freed;
944};
945
946struct pbf_pN_cmd_regs {
947 int pN;
948 u32 lines_occup;
949 u32 lines_freed;
950};
951
952static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
953 struct pbf_pN_buf_regs *regs,
954 u32 poll_count)
955{
956 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
957 u32 cur_cnt = poll_count;
958
959 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
960 crd = crd_start = REG_RD(bp, regs->crd);
961 init_crd = REG_RD(bp, regs->init_crd);
962
963 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
964 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
965 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
966
967 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
968 (init_crd - crd_start))) {
969 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000970 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300971 crd = REG_RD(bp, regs->crd);
972 crd_freed = REG_RD(bp, regs->crd_freed);
973 } else {
974 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
975 regs->pN);
976 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
977 regs->pN, crd);
978 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
979 regs->pN, crd_freed);
980 break;
981 }
982 }
983 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000984 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300985}
986
987static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
988 struct pbf_pN_cmd_regs *regs,
989 u32 poll_count)
990{
991 u32 occup, to_free, freed, freed_start;
992 u32 cur_cnt = poll_count;
993
994 occup = to_free = REG_RD(bp, regs->lines_occup);
995 freed = freed_start = REG_RD(bp, regs->lines_freed);
996
997 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
998 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
999
1000 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1001 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001002 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001003 occup = REG_RD(bp, regs->lines_occup);
1004 freed = REG_RD(bp, regs->lines_freed);
1005 } else {
1006 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1007 regs->pN);
1008 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1009 regs->pN, occup);
1010 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1011 regs->pN, freed);
1012 break;
1013 }
1014 }
1015 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001016 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001017}
1018
Eric Dumazet1191cb82012-04-27 21:39:21 +00001019static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1020 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001021{
1022 u32 cur_cnt = poll_count;
1023 u32 val;
1024
1025 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001026 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001027
1028 return val;
1029}
1030
Eric Dumazet1191cb82012-04-27 21:39:21 +00001031static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1032 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001033{
1034 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1035 if (val != 0) {
1036 BNX2X_ERR("%s usage count=%d\n", msg, val);
1037 return 1;
1038 }
1039 return 0;
1040}
1041
1042static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1043{
1044 /* adjust polling timeout */
1045 if (CHIP_REV_IS_EMUL(bp))
1046 return FLR_POLL_CNT * 2000;
1047
1048 if (CHIP_REV_IS_FPGA(bp))
1049 return FLR_POLL_CNT * 120;
1050
1051 return FLR_POLL_CNT;
1052}
1053
1054static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1055{
1056 struct pbf_pN_cmd_regs cmd_regs[] = {
1057 {0, (CHIP_IS_E3B0(bp)) ?
1058 PBF_REG_TQ_OCCUPANCY_Q0 :
1059 PBF_REG_P0_TQ_OCCUPANCY,
1060 (CHIP_IS_E3B0(bp)) ?
1061 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1062 PBF_REG_P0_TQ_LINES_FREED_CNT},
1063 {1, (CHIP_IS_E3B0(bp)) ?
1064 PBF_REG_TQ_OCCUPANCY_Q1 :
1065 PBF_REG_P1_TQ_OCCUPANCY,
1066 (CHIP_IS_E3B0(bp)) ?
1067 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1068 PBF_REG_P1_TQ_LINES_FREED_CNT},
1069 {4, (CHIP_IS_E3B0(bp)) ?
1070 PBF_REG_TQ_OCCUPANCY_LB_Q :
1071 PBF_REG_P4_TQ_OCCUPANCY,
1072 (CHIP_IS_E3B0(bp)) ?
1073 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1074 PBF_REG_P4_TQ_LINES_FREED_CNT}
1075 };
1076
1077 struct pbf_pN_buf_regs buf_regs[] = {
1078 {0, (CHIP_IS_E3B0(bp)) ?
1079 PBF_REG_INIT_CRD_Q0 :
1080 PBF_REG_P0_INIT_CRD ,
1081 (CHIP_IS_E3B0(bp)) ?
1082 PBF_REG_CREDIT_Q0 :
1083 PBF_REG_P0_CREDIT,
1084 (CHIP_IS_E3B0(bp)) ?
1085 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1086 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1087 {1, (CHIP_IS_E3B0(bp)) ?
1088 PBF_REG_INIT_CRD_Q1 :
1089 PBF_REG_P1_INIT_CRD,
1090 (CHIP_IS_E3B0(bp)) ?
1091 PBF_REG_CREDIT_Q1 :
1092 PBF_REG_P1_CREDIT,
1093 (CHIP_IS_E3B0(bp)) ?
1094 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1095 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1096 {4, (CHIP_IS_E3B0(bp)) ?
1097 PBF_REG_INIT_CRD_LB_Q :
1098 PBF_REG_P4_INIT_CRD,
1099 (CHIP_IS_E3B0(bp)) ?
1100 PBF_REG_CREDIT_LB_Q :
1101 PBF_REG_P4_CREDIT,
1102 (CHIP_IS_E3B0(bp)) ?
1103 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1104 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1105 };
1106
1107 int i;
1108
1109 /* Verify the command queues are flushed P0, P1, P4 */
1110 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1111 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1112
1113
1114 /* Verify the transmission buffers are flushed P0, P1, P4 */
1115 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1116 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1117}
1118
1119#define OP_GEN_PARAM(param) \
1120 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1121
1122#define OP_GEN_TYPE(type) \
1123 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1124
1125#define OP_GEN_AGG_VECT(index) \
1126 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1127
1128
Eric Dumazet1191cb82012-04-27 21:39:21 +00001129static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001130 u32 poll_cnt)
1131{
1132 struct sdm_op_gen op_gen = {0};
1133
1134 u32 comp_addr = BAR_CSTRORM_INTMEM +
1135 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1136 int ret = 0;
1137
1138 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001139 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001140 return 1;
1141 }
1142
1143 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1144 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1145 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1146 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1147
Ariel Elior89db4ad2012-01-26 06:01:48 +00001148 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001149 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1150
1151 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1152 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001153 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1154 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001155 ret = 1;
1156 }
1157 /* Zero completion for nxt FLR */
1158 REG_WR(bp, comp_addr, 0);
1159
1160 return ret;
1161}
1162
Eric Dumazet1191cb82012-04-27 21:39:21 +00001163static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001164{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001165 u16 status;
1166
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001167 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001168 return status & PCI_EXP_DEVSTA_TRPND;
1169}
1170
1171/* PF FLR specific routines
1172*/
1173static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1174{
1175
1176 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1177 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1178 CFC_REG_NUM_LCIDS_INSIDE_PF,
1179 "CFC PF usage counter timed out",
1180 poll_cnt))
1181 return 1;
1182
1183
1184 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1185 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1186 DORQ_REG_PF_USAGE_CNT,
1187 "DQ PF usage counter timed out",
1188 poll_cnt))
1189 return 1;
1190
1191 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1192 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1193 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1194 "QM PF usage counter timed out",
1195 poll_cnt))
1196 return 1;
1197
1198 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1199 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1200 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1201 "Timers VNIC usage counter timed out",
1202 poll_cnt))
1203 return 1;
1204 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1205 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1206 "Timers NUM_SCANS usage counter timed out",
1207 poll_cnt))
1208 return 1;
1209
1210 /* Wait DMAE PF usage counter to zero */
1211 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1212 dmae_reg_go_c[INIT_DMAE_C(bp)],
1213 "DMAE dommand register timed out",
1214 poll_cnt))
1215 return 1;
1216
1217 return 0;
1218}
1219
1220static void bnx2x_hw_enable_status(struct bnx2x *bp)
1221{
1222 u32 val;
1223
1224 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1225 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1226
1227 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1228 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1229
1230 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1231 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1232
1233 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1234 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1235
1236 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1237 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1238
1239 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1240 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1241
1242 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1243 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1244
1245 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1246 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1247 val);
1248}
1249
1250static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1251{
1252 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1253
1254 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1255
1256 /* Re-enable PF target read access */
1257 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1258
1259 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001260 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001261 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1262 return -EBUSY;
1263
1264 /* Zero the igu 'trailing edge' and 'leading edge' */
1265
1266 /* Send the FW cleanup command */
1267 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1268 return -EBUSY;
1269
1270 /* ATC cleanup */
1271
1272 /* Verify TX hw is flushed */
1273 bnx2x_tx_hw_flushed(bp, poll_cnt);
1274
1275 /* Wait 100ms (not adjusted according to platform) */
1276 msleep(100);
1277
1278 /* Verify no pending pci transactions */
1279 if (bnx2x_is_pcie_pending(bp->pdev))
1280 BNX2X_ERR("PCIE Transactions still pending\n");
1281
1282 /* Debug */
1283 bnx2x_hw_enable_status(bp);
1284
1285 /*
1286 * Master enable - Due to WB DMAE writes performed before this
1287 * register is re-initialized as part of the regular function init
1288 */
1289 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1290
1291 return 0;
1292}
1293
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001294static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001295{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001296 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001297 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1298 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001299 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1300 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1301 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001304 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1305 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001306 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1307 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001308 if (single_msix)
1309 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001310 } else if (msi) {
1311 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1312 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1313 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1314 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001315 } else {
1316 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001317 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1319 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001320
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001321 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001322 DP(NETIF_MSG_IFUP,
1323 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001324
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001325 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001326
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001327 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1328 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001329 }
1330
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001331 if (CHIP_IS_E1(bp))
1332 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1333
Merav Sicron51c1a582012-03-18 10:33:38 +00001334 DP(NETIF_MSG_IFUP,
1335 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1336 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001337
1338 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001339 /*
1340 * Ensure that HC_CONFIG is written before leading/trailing edge config
1341 */
1342 mmiowb();
1343 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001344
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001345 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001346 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001347 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001348 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001349 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001350 /* enable nig and gpio3 attention */
1351 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001352 } else
1353 val = 0xffff;
1354
1355 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1356 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1357 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001358
1359 /* Make sure that interrupts are indeed enabled from here on */
1360 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001361}
1362
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001363static void bnx2x_igu_int_enable(struct bnx2x *bp)
1364{
1365 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001366 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1367 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1368 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001369
1370 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1371
1372 if (msix) {
1373 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1374 IGU_PF_CONF_SINGLE_ISR_EN);
1375 val |= (IGU_PF_CONF_FUNC_EN |
1376 IGU_PF_CONF_MSI_MSIX_EN |
1377 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001378
1379 if (single_msix)
1380 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001381 } else if (msi) {
1382 val &= ~IGU_PF_CONF_INT_LINE_EN;
1383 val |= (IGU_PF_CONF_FUNC_EN |
1384 IGU_PF_CONF_MSI_MSIX_EN |
1385 IGU_PF_CONF_ATTN_BIT_EN |
1386 IGU_PF_CONF_SINGLE_ISR_EN);
1387 } else {
1388 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1389 val |= (IGU_PF_CONF_FUNC_EN |
1390 IGU_PF_CONF_INT_LINE_EN |
1391 IGU_PF_CONF_ATTN_BIT_EN |
1392 IGU_PF_CONF_SINGLE_ISR_EN);
1393 }
1394
Merav Sicron51c1a582012-03-18 10:33:38 +00001395 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001396 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1397
1398 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1399
Yuval Mintz79a85572012-04-03 18:41:25 +00001400 if (val & IGU_PF_CONF_INT_LINE_EN)
1401 pci_intx(bp->pdev, true);
1402
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001403 barrier();
1404
1405 /* init leading/trailing edge */
1406 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001407 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001408 if (bp->port.pmf)
1409 /* enable nig and gpio3 attention */
1410 val |= 0x1100;
1411 } else
1412 val = 0xffff;
1413
1414 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1415 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1416
1417 /* Make sure that interrupts are indeed enabled from here on */
1418 mmiowb();
1419}
1420
1421void bnx2x_int_enable(struct bnx2x *bp)
1422{
1423 if (bp->common.int_block == INT_BLOCK_HC)
1424 bnx2x_hc_int_enable(bp);
1425 else
1426 bnx2x_igu_int_enable(bp);
1427}
1428
1429static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001430{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001431 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001432 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1433 u32 val = REG_RD(bp, addr);
1434
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001435 /*
1436 * in E1 we must use only PCI configuration space to disable
1437 * MSI/MSIX capablility
1438 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1439 */
1440 if (CHIP_IS_E1(bp)) {
1441 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1442 * Use mask register to prevent from HC sending interrupts
1443 * after we exit the function
1444 */
1445 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1446
1447 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1448 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1449 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1450 } else
1451 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1452 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1453 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1454 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001455
Merav Sicron51c1a582012-03-18 10:33:38 +00001456 DP(NETIF_MSG_IFDOWN,
1457 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001458 val, port, addr);
1459
Eilon Greenstein8badd272009-02-12 08:36:15 +00001460 /* flush all outstanding writes */
1461 mmiowb();
1462
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463 REG_WR(bp, addr, val);
1464 if (REG_RD(bp, addr) != val)
1465 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1466}
1467
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001468static void bnx2x_igu_int_disable(struct bnx2x *bp)
1469{
1470 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1471
1472 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1473 IGU_PF_CONF_INT_LINE_EN |
1474 IGU_PF_CONF_ATTN_BIT_EN);
1475
Merav Sicron51c1a582012-03-18 10:33:38 +00001476 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001477
1478 /* flush all outstanding writes */
1479 mmiowb();
1480
1481 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1482 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1483 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1484}
1485
Ariel Elior6383c0b2011-07-14 08:31:57 +00001486void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001487{
1488 if (bp->common.int_block == INT_BLOCK_HC)
1489 bnx2x_hc_int_disable(bp);
1490 else
1491 bnx2x_igu_int_disable(bp);
1492}
1493
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001494void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001495{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001496 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001497 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001498
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001499 if (disable_hw)
1500 /* prevent the HW from sending interrupts */
1501 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001502
1503 /* make sure all ISRs are done */
1504 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001505 synchronize_irq(bp->msix_table[0].vector);
1506 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001507#ifdef BCM_CNIC
1508 offset++;
1509#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001510 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001511 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001512 } else
1513 synchronize_irq(bp->pdev->irq);
1514
1515 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001516 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001517 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001518 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001519}
1520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001521/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001522
1523/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001524 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001525 */
1526
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001527/* Return true if succeeded to acquire the lock */
1528static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1529{
1530 u32 lock_status;
1531 u32 resource_bit = (1 << resource);
1532 int func = BP_FUNC(bp);
1533 u32 hw_lock_control_reg;
1534
Merav Sicron51c1a582012-03-18 10:33:38 +00001535 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1536 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537
1538 /* Validating that the resource is within range */
1539 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001540 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001541 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1542 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001543 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001544 }
1545
1546 if (func <= 5)
1547 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1548 else
1549 hw_lock_control_reg =
1550 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1551
1552 /* Try to acquire the lock */
1553 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1554 lock_status = REG_RD(bp, hw_lock_control_reg);
1555 if (lock_status & resource_bit)
1556 return true;
1557
Merav Sicron51c1a582012-03-18 10:33:38 +00001558 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1559 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001560 return false;
1561}
1562
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001563/**
1564 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1565 *
1566 * @bp: driver handle
1567 *
1568 * Returns the recovery leader resource id according to the engine this function
1569 * belongs to. Currently only only 2 engines is supported.
1570 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001571static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001572{
1573 if (BP_PATH(bp))
1574 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1575 else
1576 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1577}
1578
1579/**
1580 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1581 *
1582 * @bp: driver handle
1583 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001584 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001585 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001586static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001587{
1588 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1589}
1590
Michael Chan993ac7b2009-10-10 13:46:56 +00001591#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001592static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001593#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001594
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001595void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001596{
1597 struct bnx2x *bp = fp->bp;
1598 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1599 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001600 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001601 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001602
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001603 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001604 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001605 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001606 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001607
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001608 switch (command) {
1609 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001610 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001611 drv_cmd = BNX2X_Q_CMD_UPDATE;
1612 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001613
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001614 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001615 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001616 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001617 break;
1618
Ariel Elior6383c0b2011-07-14 08:31:57 +00001619 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001620 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001621 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1622 break;
1623
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001624 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001625 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001626 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001627 break;
1628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001629 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001630 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001631 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1632 break;
1633
1634 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001635 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001636 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001637 break;
1638
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001639 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001640 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1641 command, fp->index);
1642 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001643 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001644
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001645 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1646 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1647 /* q_obj->complete_cmd() failure means that this was
1648 * an unexpected completion.
1649 *
1650 * In this case we don't want to increase the bp->spq_left
1651 * because apparently we haven't sent this command the first
1652 * place.
1653 */
1654#ifdef BNX2X_STOP_ON_ERROR
1655 bnx2x_panic();
1656#else
1657 return;
1658#endif
1659
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001660 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001661 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001662 /* push the change in bp->spq_left and towards the memory */
1663 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001664
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001665 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1666
Barak Witkowskia3348722012-04-23 03:04:46 +00001667 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1668 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1669 /* if Q update ramrod is completed for last Q in AFEX vif set
1670 * flow, then ACK MCP at the end
1671 *
1672 * mark pending ACK to MCP bit.
1673 * prevent case that both bits are cleared.
1674 * At the end of load/unload driver checks that
1675 * sp_state is cleaerd, and this order prevents
1676 * races
1677 */
1678 smp_mb__before_clear_bit();
1679 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1680 wmb();
1681 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1682 smp_mb__after_clear_bit();
1683
1684 /* schedule workqueue to send ack to MCP */
1685 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1686 }
1687
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001688 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001689}
1690
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001691void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1692 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1693{
1694 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1695
1696 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1697 start);
1698}
1699
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001700irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001701{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001702 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001703 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001704 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001705 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001706 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001707
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001708 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001709 if (unlikely(status == 0)) {
1710 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1711 return IRQ_NONE;
1712 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001713 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001714
Eilon Greenstein3196a882008-08-13 15:58:49 -07001715#ifdef BNX2X_STOP_ON_ERROR
1716 if (unlikely(bp->panic))
1717 return IRQ_HANDLED;
1718#endif
1719
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001720 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001721 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001722
Ariel Elior6383c0b2011-07-14 08:31:57 +00001723 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001724 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001725 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001726 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001727 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001728 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001729 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001730 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001731 status &= ~mask;
1732 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001733 }
1734
Michael Chan993ac7b2009-10-10 13:46:56 +00001735#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001736 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001737 if (status & (mask | 0x1)) {
1738 struct cnic_ops *c_ops = NULL;
1739
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001740 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1741 rcu_read_lock();
1742 c_ops = rcu_dereference(bp->cnic_ops);
1743 if (c_ops)
1744 c_ops->cnic_handler(bp->cnic_data, NULL);
1745 rcu_read_unlock();
1746 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001747
1748 status &= ~mask;
1749 }
1750#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001751
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001752 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001753 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001754
1755 status &= ~0x1;
1756 if (!status)
1757 return IRQ_HANDLED;
1758 }
1759
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001760 if (unlikely(status))
1761 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001762 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001763
1764 return IRQ_HANDLED;
1765}
1766
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001767/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001768
1769/*
1770 * General service functions
1771 */
1772
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001773int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001774{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001775 u32 lock_status;
1776 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001777 int func = BP_FUNC(bp);
1778 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001780
1781 /* Validating that the resource is within range */
1782 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001783 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001784 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1785 return -EINVAL;
1786 }
1787
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001788 if (func <= 5) {
1789 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1790 } else {
1791 hw_lock_control_reg =
1792 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1793 }
1794
Eliezer Tamirf1410642008-02-28 11:51:50 -08001795 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001796 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001798 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001799 lock_status, resource_bit);
1800 return -EEXIST;
1801 }
1802
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001803 /* Try for 5 second every 5ms */
1804 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001805 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001806 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1807 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001808 if (lock_status & resource_bit)
1809 return 0;
1810
1811 msleep(5);
1812 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001813 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001814 return -EAGAIN;
1815}
1816
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001817int bnx2x_release_leader_lock(struct bnx2x *bp)
1818{
1819 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1820}
1821
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001822int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001823{
1824 u32 lock_status;
1825 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001826 int func = BP_FUNC(bp);
1827 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828
1829 /* Validating that the resource is within range */
1830 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001831 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001832 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1833 return -EINVAL;
1834 }
1835
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001836 if (func <= 5) {
1837 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1838 } else {
1839 hw_lock_control_reg =
1840 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1841 }
1842
Eliezer Tamirf1410642008-02-28 11:51:50 -08001843 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001844 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001845 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001846 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. unlock was called but lock wasn't taken!\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001847 lock_status, resource_bit);
1848 return -EFAULT;
1849 }
1850
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001852 return 0;
1853}
1854
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001855
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001856int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1857{
1858 /* The GPIO should be swapped if swap register is set and active */
1859 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1860 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1861 int gpio_shift = gpio_num +
1862 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1863 u32 gpio_mask = (1 << gpio_shift);
1864 u32 gpio_reg;
1865 int value;
1866
1867 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1868 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1869 return -EINVAL;
1870 }
1871
1872 /* read GPIO value */
1873 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1874
1875 /* get the requested pin value */
1876 if ((gpio_reg & gpio_mask) == gpio_mask)
1877 value = 1;
1878 else
1879 value = 0;
1880
1881 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1882
1883 return value;
1884}
1885
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001886int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001887{
1888 /* The GPIO should be swapped if swap register is set and active */
1889 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001890 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001891 int gpio_shift = gpio_num +
1892 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1893 u32 gpio_mask = (1 << gpio_shift);
1894 u32 gpio_reg;
1895
1896 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1897 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1898 return -EINVAL;
1899 }
1900
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001901 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001902 /* read GPIO and mask except the float bits */
1903 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1904
1905 switch (mode) {
1906 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001907 DP(NETIF_MSG_LINK,
1908 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001909 gpio_num, gpio_shift);
1910 /* clear FLOAT and set CLR */
1911 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1912 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1913 break;
1914
1915 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001916 DP(NETIF_MSG_LINK,
1917 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001918 gpio_num, gpio_shift);
1919 /* clear FLOAT and set SET */
1920 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1921 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1922 break;
1923
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001924 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001925 DP(NETIF_MSG_LINK,
1926 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001927 gpio_num, gpio_shift);
1928 /* set FLOAT */
1929 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1930 break;
1931
1932 default:
1933 break;
1934 }
1935
1936 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001937 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001938
1939 return 0;
1940}
1941
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001942int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1943{
1944 u32 gpio_reg = 0;
1945 int rc = 0;
1946
1947 /* Any port swapping should be handled by caller. */
1948
1949 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1950 /* read GPIO and mask except the float bits */
1951 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1952 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1953 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1954 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1955
1956 switch (mode) {
1957 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1958 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1959 /* set CLR */
1960 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1961 break;
1962
1963 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1964 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1965 /* set SET */
1966 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1967 break;
1968
1969 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1970 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1971 /* set FLOAT */
1972 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1973 break;
1974
1975 default:
1976 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1977 rc = -EINVAL;
1978 break;
1979 }
1980
1981 if (rc == 0)
1982 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1983
1984 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1985
1986 return rc;
1987}
1988
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001989int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1990{
1991 /* The GPIO should be swapped if swap register is set and active */
1992 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1993 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1994 int gpio_shift = gpio_num +
1995 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1996 u32 gpio_mask = (1 << gpio_shift);
1997 u32 gpio_reg;
1998
1999 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2000 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2001 return -EINVAL;
2002 }
2003
2004 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2005 /* read GPIO int */
2006 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2007
2008 switch (mode) {
2009 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002010 DP(NETIF_MSG_LINK,
2011 "Clear GPIO INT %d (shift %d) -> output low\n",
2012 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002013 /* clear SET and set CLR */
2014 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2015 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2016 break;
2017
2018 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002019 DP(NETIF_MSG_LINK,
2020 "Set GPIO INT %d (shift %d) -> output high\n",
2021 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002022 /* clear CLR and set SET */
2023 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2024 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2025 break;
2026
2027 default:
2028 break;
2029 }
2030
2031 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2032 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2033
2034 return 0;
2035}
2036
Eliezer Tamirf1410642008-02-28 11:51:50 -08002037static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2038{
2039 u32 spio_mask = (1 << spio_num);
2040 u32 spio_reg;
2041
2042 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2043 (spio_num > MISC_REGISTERS_SPIO_7)) {
2044 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2045 return -EINVAL;
2046 }
2047
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002048 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002049 /* read SPIO and mask except the float bits */
2050 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2051
2052 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002053 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002054 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002055 /* clear FLOAT and set CLR */
2056 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2057 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2058 break;
2059
Eilon Greenstein6378c022008-08-13 15:59:25 -07002060 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002061 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002062 /* clear FLOAT and set SET */
2063 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2064 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2065 break;
2066
2067 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002068 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002069 /* set FLOAT */
2070 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2071 break;
2072
2073 default:
2074 break;
2075 }
2076
2077 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002078 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002079
2080 return 0;
2081}
2082
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002083void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002084{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002085 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002086 switch (bp->link_vars.ieee_fc &
2087 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002088 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002089 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002090 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002091 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002092
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002093 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002094 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002095 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002096 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002097
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002098 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002099 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002100 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002101
Eliezer Tamirf1410642008-02-28 11:51:50 -08002102 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002103 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002104 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002105 break;
2106 }
2107}
2108
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002109u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002110{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002111 if (!BP_NOMCP(bp)) {
2112 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002113 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2114 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002115 /*
2116 * Initialize link parameters structure variables
2117 * It is recommended to turn off RX FC for jumbo frames
2118 * for better performance
2119 */
2120 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002121 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002122 else
David S. Millerc0700f92008-12-16 23:53:20 -08002123 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002124
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002125 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002126
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002127 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002128 struct link_params *lp = &bp->link_params;
2129 lp->loopback_mode = LOOPBACK_XGXS;
2130 /* do PHY loopback at 10G speed, if possible */
2131 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2132 if (lp->speed_cap_mask[cfx_idx] &
2133 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2134 lp->req_line_speed[cfx_idx] =
2135 SPEED_10000;
2136 else
2137 lp->req_line_speed[cfx_idx] =
2138 SPEED_1000;
2139 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002140 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002141
Merav Sicron8970b2e2012-06-19 07:48:22 +00002142 if (load_mode == LOAD_LOOPBACK_EXT) {
2143 struct link_params *lp = &bp->link_params;
2144 lp->loopback_mode = LOOPBACK_EXT;
2145 }
2146
Eilon Greenstein19680c42008-08-13 15:47:33 -07002147 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002148
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002149 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002150
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002151 bnx2x_calc_fc_adv(bp);
2152
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002153 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2154 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002155 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002156 } else
2157 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002158 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002159 return rc;
2160 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002161 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002162 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002163}
2164
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002165void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002166{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002167 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002168 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002169 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002170 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002171
Eilon Greenstein19680c42008-08-13 15:47:33 -07002172 bnx2x_calc_fc_adv(bp);
2173 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002174 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002175}
2176
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002177static void bnx2x__link_reset(struct bnx2x *bp)
2178{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002179 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002180 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002181 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002182 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002183 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002184 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002185}
2186
Yuval Mintz5d07d862012-09-13 02:56:21 +00002187void bnx2x_force_link_reset(struct bnx2x *bp)
2188{
2189 bnx2x_acquire_phy_lock(bp);
2190 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2191 bnx2x_release_phy_lock(bp);
2192}
2193
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002194u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002195{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002196 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002197
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002198 if (!BP_NOMCP(bp)) {
2199 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002200 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2201 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002202 bnx2x_release_phy_lock(bp);
2203 } else
2204 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002205
2206 return rc;
2207}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002208
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002209
Eilon Greenstein2691d512009-08-12 08:22:08 +00002210/* Calculates the sum of vn_min_rates.
2211 It's needed for further normalizing of the min_rates.
2212 Returns:
2213 sum of vn_min_rates.
2214 or
2215 0 - if all the min_rates are 0.
2216 In the later case fainess algorithm should be deactivated.
2217 If not all min_rates are zero then those that are zeroes will be set to 1.
2218 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002219static void bnx2x_calc_vn_min(struct bnx2x *bp,
2220 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002221{
2222 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002223 int vn;
2224
David S. Miller8decf862011-09-22 03:23:13 -04002225 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002226 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002227 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2228 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2229
2230 /* Skip hidden vns */
2231 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002232 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002233 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002234 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002235 vn_min_rate = DEF_MIN_RATE;
2236 else
2237 all_zero = 0;
2238
Yuval Mintzb475d782012-04-03 18:41:29 +00002239 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002240 }
2241
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002242 /* if ETS or all min rates are zeros - disable fairness */
2243 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002244 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002245 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2246 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2247 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002248 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002249 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002250 DP(NETIF_MSG_IFUP,
2251 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002252 } else
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;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002255}
2256
Yuval Mintzb475d782012-04-03 18:41:29 +00002257static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2258 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002259{
Yuval Mintzb475d782012-04-03 18:41:29 +00002260 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002261 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002262
Yuval Mintzb475d782012-04-03 18:41:29 +00002263 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002264 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002265 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002266 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2267
Yuval Mintzb475d782012-04-03 18:41:29 +00002268 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002269 /* maxCfg in percents of linkspeed */
2270 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002271 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002272 /* maxCfg is absolute in 100Mb units */
2273 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002274 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002275
Yuval Mintzb475d782012-04-03 18:41:29 +00002276 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002277
Yuval Mintzb475d782012-04-03 18:41:29 +00002278 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002279}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002280
Yuval Mintzb475d782012-04-03 18:41:29 +00002281
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002282static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2283{
2284 if (CHIP_REV_IS_SLOW(bp))
2285 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002286 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002288
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002289 return CMNG_FNS_NONE;
2290}
2291
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002292void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002293{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002294 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002295
2296 if (BP_NOMCP(bp))
2297 return; /* what should be the default bvalue in this case */
2298
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002299 /* For 2 port configuration the absolute function number formula
2300 * is:
2301 * abs_func = 2 * vn + BP_PORT + BP_PATH
2302 *
2303 * and there are 4 functions per port
2304 *
2305 * For 4 port configuration it is
2306 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2307 *
2308 * and there are 2 functions per port
2309 */
David S. Miller8decf862011-09-22 03:23:13 -04002310 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002311 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2312
2313 if (func >= E1H_FUNC_MAX)
2314 break;
2315
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002316 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002317 MF_CFG_RD(bp, func_mf_config[func].config);
2318 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002319 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2320 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2321 bp->flags |= MF_FUNC_DIS;
2322 } else {
2323 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2324 bp->flags &= ~MF_FUNC_DIS;
2325 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002326}
2327
2328static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2329{
Yuval Mintzb475d782012-04-03 18:41:29 +00002330 struct cmng_init_input input;
2331 memset(&input, 0, sizeof(struct cmng_init_input));
2332
2333 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002334
2335 if (cmng_type == CMNG_FNS_MINMAX) {
2336 int vn;
2337
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002338 /* read mf conf from shmem */
2339 if (read_cfg)
2340 bnx2x_read_mf_cfg(bp);
2341
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002342 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002343 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002344
2345 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002346 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002347 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002348 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002349
2350 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002351 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002352 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002353
2354 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002355 return;
2356 }
2357
2358 /* rate shaping and fairness are disabled */
2359 DP(NETIF_MSG_IFUP,
2360 "rate shaping and fairness are disabled\n");
2361}
2362
Eric Dumazet1191cb82012-04-27 21:39:21 +00002363static void storm_memset_cmng(struct bnx2x *bp,
2364 struct cmng_init *cmng,
2365 u8 port)
2366{
2367 int vn;
2368 size_t size = sizeof(struct cmng_struct_per_port);
2369
2370 u32 addr = BAR_XSTRORM_INTMEM +
2371 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2372
2373 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2374
2375 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2376 int func = func_by_vn(bp, vn);
2377
2378 addr = BAR_XSTRORM_INTMEM +
2379 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2380 size = sizeof(struct rate_shaping_vars_per_vn);
2381 __storm_memset_struct(bp, addr, size,
2382 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2383
2384 addr = BAR_XSTRORM_INTMEM +
2385 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2386 size = sizeof(struct fairness_vars_per_vn);
2387 __storm_memset_struct(bp, addr, size,
2388 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2389 }
2390}
2391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002392/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002393static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002394{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002395 /* Make sure that we are synced with the current statistics */
2396 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2397
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002398 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002399
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002400 if (bp->link_vars.link_up) {
2401
Eilon Greenstein1c063282009-02-12 08:36:43 +00002402 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002403 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002404 int port = BP_PORT(bp);
2405 u32 pause_enabled = 0;
2406
2407 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2408 pause_enabled = 1;
2409
2410 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002411 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002412 pause_enabled);
2413 }
2414
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002415 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002416 struct host_port_stats *pstats;
2417
2418 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002419 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002420 memset(&(pstats->mac_stx[0]), 0,
2421 sizeof(struct mac_stx));
2422 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002423 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002424 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2425 }
2426
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002427 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2428 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002429
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002430 if (cmng_fns != CMNG_FNS_NONE) {
2431 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2432 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2433 } else
2434 /* rate shaping and fairness are disabled */
2435 DP(NETIF_MSG_IFUP,
2436 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002437 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002438
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002439 __bnx2x_link_report(bp);
2440
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002441 if (IS_MF(bp))
2442 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002443}
2444
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002445void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002446{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002447 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002448 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002449
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002450 /* read updated dcb configuration */
2451 bnx2x_dcbx_pmf_update(bp);
2452
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002453 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2454
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002455 if (bp->link_vars.link_up)
2456 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2457 else
2458 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2459
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002460 /* indicate link status */
2461 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002462}
2463
Barak Witkowskia3348722012-04-23 03:04:46 +00002464static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2465 u16 vlan_val, u8 allowed_prio)
2466{
2467 struct bnx2x_func_state_params func_params = {0};
2468 struct bnx2x_func_afex_update_params *f_update_params =
2469 &func_params.params.afex_update;
2470
2471 func_params.f_obj = &bp->func_obj;
2472 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2473
2474 /* no need to wait for RAMROD completion, so don't
2475 * set RAMROD_COMP_WAIT flag
2476 */
2477
2478 f_update_params->vif_id = vifid;
2479 f_update_params->afex_default_vlan = vlan_val;
2480 f_update_params->allowed_priorities = allowed_prio;
2481
2482 /* if ramrod can not be sent, response to MCP immediately */
2483 if (bnx2x_func_state_change(bp, &func_params) < 0)
2484 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2485
2486 return 0;
2487}
2488
2489static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2490 u16 vif_index, u8 func_bit_map)
2491{
2492 struct bnx2x_func_state_params func_params = {0};
2493 struct bnx2x_func_afex_viflists_params *update_params =
2494 &func_params.params.afex_viflists;
2495 int rc;
2496 u32 drv_msg_code;
2497
2498 /* validate only LIST_SET and LIST_GET are received from switch */
2499 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2500 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2501 cmd_type);
2502
2503 func_params.f_obj = &bp->func_obj;
2504 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2505
2506 /* set parameters according to cmd_type */
2507 update_params->afex_vif_list_command = cmd_type;
2508 update_params->vif_list_index = cpu_to_le16(vif_index);
2509 update_params->func_bit_map =
2510 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2511 update_params->func_to_clear = 0;
2512 drv_msg_code =
2513 (cmd_type == VIF_LIST_RULE_GET) ?
2514 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2515 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2516
2517 /* if ramrod can not be sent, respond to MCP immediately for
2518 * SET and GET requests (other are not triggered from MCP)
2519 */
2520 rc = bnx2x_func_state_change(bp, &func_params);
2521 if (rc < 0)
2522 bnx2x_fw_command(bp, drv_msg_code, 0);
2523
2524 return 0;
2525}
2526
2527static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2528{
2529 struct afex_stats afex_stats;
2530 u32 func = BP_ABS_FUNC(bp);
2531 u32 mf_config;
2532 u16 vlan_val;
2533 u32 vlan_prio;
2534 u16 vif_id;
2535 u8 allowed_prio;
2536 u8 vlan_mode;
2537 u32 addr_to_write, vifid, addrs, stats_type, i;
2538
2539 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2540 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2541 DP(BNX2X_MSG_MCP,
2542 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2543 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2544 }
2545
2546 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2547 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2548 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2549 DP(BNX2X_MSG_MCP,
2550 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2551 vifid, addrs);
2552 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2553 addrs);
2554 }
2555
2556 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2557 addr_to_write = SHMEM2_RD(bp,
2558 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2559 stats_type = SHMEM2_RD(bp,
2560 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2561
2562 DP(BNX2X_MSG_MCP,
2563 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2564 addr_to_write);
2565
2566 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2567
2568 /* write response to scratchpad, for MCP */
2569 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2570 REG_WR(bp, addr_to_write + i*sizeof(u32),
2571 *(((u32 *)(&afex_stats))+i));
2572
2573 /* send ack message to MCP */
2574 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2575 }
2576
2577 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2578 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2579 bp->mf_config[BP_VN(bp)] = mf_config;
2580 DP(BNX2X_MSG_MCP,
2581 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2582 mf_config);
2583
2584 /* if VIF_SET is "enabled" */
2585 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2586 /* set rate limit directly to internal RAM */
2587 struct cmng_init_input cmng_input;
2588 struct rate_shaping_vars_per_vn m_rs_vn;
2589 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2590 u32 addr = BAR_XSTRORM_INTMEM +
2591 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2592
2593 bp->mf_config[BP_VN(bp)] = mf_config;
2594
2595 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2596 m_rs_vn.vn_counter.rate =
2597 cmng_input.vnic_max_rate[BP_VN(bp)];
2598 m_rs_vn.vn_counter.quota =
2599 (m_rs_vn.vn_counter.rate *
2600 RS_PERIODIC_TIMEOUT_USEC) / 8;
2601
2602 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2603
2604 /* read relevant values from mf_cfg struct in shmem */
2605 vif_id =
2606 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2607 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2608 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2609 vlan_val =
2610 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2611 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2612 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2613 vlan_prio = (mf_config &
2614 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2615 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2616 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2617 vlan_mode =
2618 (MF_CFG_RD(bp,
2619 func_mf_config[func].afex_config) &
2620 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2621 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2622 allowed_prio =
2623 (MF_CFG_RD(bp,
2624 func_mf_config[func].afex_config) &
2625 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2626 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2627
2628 /* send ramrod to FW, return in case of failure */
2629 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2630 allowed_prio))
2631 return;
2632
2633 bp->afex_def_vlan_tag = vlan_val;
2634 bp->afex_vlan_mode = vlan_mode;
2635 } else {
2636 /* notify link down because BP->flags is disabled */
2637 bnx2x_link_report(bp);
2638
2639 /* send INVALID VIF ramrod to FW */
2640 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2641
2642 /* Reset the default afex VLAN */
2643 bp->afex_def_vlan_tag = -1;
2644 }
2645 }
2646}
2647
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002648static void bnx2x_pmf_update(struct bnx2x *bp)
2649{
2650 int port = BP_PORT(bp);
2651 u32 val;
2652
2653 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002654 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002655
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002656 /*
2657 * We need the mb() to ensure the ordering between the writing to
2658 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2659 */
2660 smp_mb();
2661
2662 /* queue a periodic task */
2663 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2664
Dmitry Kravkovef018542011-06-14 01:33:57 +00002665 bnx2x_dcbx_pmf_update(bp);
2666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002667 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002668 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002669 if (bp->common.int_block == INT_BLOCK_HC) {
2670 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2671 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002672 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002673 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2674 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2675 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002676
2677 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002678}
2679
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002680/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002681
2682/* slow path */
2683
2684/*
2685 * General service functions
2686 */
2687
Eilon Greenstein2691d512009-08-12 08:22:08 +00002688/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002689u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002690{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002691 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002692 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002693 u32 rc = 0;
2694 u32 cnt = 1;
2695 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2696
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002697 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002698 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002699 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2700 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2701
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002702 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2703 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002704
2705 do {
2706 /* let the FW do it's magic ... */
2707 msleep(delay);
2708
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002709 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002710
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002711 /* Give the FW up to 5 second (500*10ms) */
2712 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002713
2714 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2715 cnt*delay, rc, seq);
2716
2717 /* is this a reply to our command? */
2718 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2719 rc &= FW_MSG_CODE_MASK;
2720 else {
2721 /* FW BUG! */
2722 BNX2X_ERR("FW failed to respond!\n");
2723 bnx2x_fw_dump(bp);
2724 rc = 0;
2725 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002726 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002727
2728 return rc;
2729}
2730
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002731
Eric Dumazet1191cb82012-04-27 21:39:21 +00002732static void storm_memset_func_cfg(struct bnx2x *bp,
2733 struct tstorm_eth_function_common_config *tcfg,
2734 u16 abs_fid)
2735{
2736 size_t size = sizeof(struct tstorm_eth_function_common_config);
2737
2738 u32 addr = BAR_TSTRORM_INTMEM +
2739 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2740
2741 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2742}
2743
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002744void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002745{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002746 if (CHIP_IS_E1x(bp)) {
2747 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002748
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002749 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2750 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002751
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002752 /* Enable the function in the FW */
2753 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2754 storm_memset_func_en(bp, p->func_id, 1);
2755
2756 /* spq */
2757 if (p->func_flgs & FUNC_FLG_SPQ) {
2758 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2759 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2760 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2761 }
2762}
2763
Ariel Elior6383c0b2011-07-14 08:31:57 +00002764/**
2765 * bnx2x_get_tx_only_flags - Return common flags
2766 *
2767 * @bp device handle
2768 * @fp queue handle
2769 * @zero_stats TRUE if statistics zeroing is needed
2770 *
2771 * Return the flags that are common for the Tx-only and not normal connections.
2772 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002773static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2774 struct bnx2x_fastpath *fp,
2775 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002776{
2777 unsigned long flags = 0;
2778
2779 /* PF driver will always initialize the Queue to an ACTIVE state */
2780 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2781
Ariel Elior6383c0b2011-07-14 08:31:57 +00002782 /* tx only connections collect statistics (on the same index as the
2783 * parent connection). The statistics are zeroed when the parent
2784 * connection is initialized.
2785 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002786
2787 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2788 if (zero_stats)
2789 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2790
Ariel Elior6383c0b2011-07-14 08:31:57 +00002791
2792 return flags;
2793}
2794
Eric Dumazet1191cb82012-04-27 21:39:21 +00002795static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2796 struct bnx2x_fastpath *fp,
2797 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002798{
2799 unsigned long flags = 0;
2800
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002801 /* calculate other queue flags */
2802 if (IS_MF_SD(bp))
2803 __set_bit(BNX2X_Q_FLG_OV, &flags);
2804
Barak Witkowskia3348722012-04-23 03:04:46 +00002805 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002806 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002807 /* For FCoE - force usage of default priority (for afex) */
2808 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2809 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002810
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002811 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002812 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002813 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002814 if (fp->mode == TPA_MODE_GRO)
2815 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002816 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002817
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002818 if (leading) {
2819 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2820 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2821 }
2822
2823 /* Always set HW VLAN stripping */
2824 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002825
Barak Witkowskia3348722012-04-23 03:04:46 +00002826 /* configure silent vlan removal */
2827 if (IS_MF_AFEX(bp))
2828 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2829
Ariel Elior6383c0b2011-07-14 08:31:57 +00002830
2831 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832}
2833
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002834static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002835 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2836 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002838 gen_init->stat_id = bnx2x_stats_id(fp);
2839 gen_init->spcl_id = fp->cl_id;
2840
2841 /* Always use mini-jumbo MTU for FCoE L2 ring */
2842 if (IS_FCOE_FP(fp))
2843 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2844 else
2845 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002846
2847 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002848}
2849
2850static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2851 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2852 struct bnx2x_rxq_setup_params *rxq_init)
2853{
2854 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002855 u16 sge_sz = 0;
2856 u16 tpa_agg_size = 0;
2857
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002858 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002859 pause->sge_th_lo = SGE_TH_LO(bp);
2860 pause->sge_th_hi = SGE_TH_HI(bp);
2861
2862 /* validate SGE ring has enough to cross high threshold */
2863 WARN_ON(bp->dropless_fc &&
2864 pause->sge_th_hi + FW_PREFETCH_CNT >
2865 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2866
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002867 tpa_agg_size = min_t(u32,
2868 (min_t(u32, 8, MAX_SKB_FRAGS) *
2869 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2870 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2871 SGE_PAGE_SHIFT;
2872 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2873 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2874 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2875 0xffff);
2876 }
2877
2878 /* pause - not for e1 */
2879 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002880 pause->bd_th_lo = BD_TH_LO(bp);
2881 pause->bd_th_hi = BD_TH_HI(bp);
2882
2883 pause->rcq_th_lo = RCQ_TH_LO(bp);
2884 pause->rcq_th_hi = RCQ_TH_HI(bp);
2885 /*
2886 * validate that rings have enough entries to cross
2887 * high thresholds
2888 */
2889 WARN_ON(bp->dropless_fc &&
2890 pause->bd_th_hi + FW_PREFETCH_CNT >
2891 bp->rx_ring_size);
2892 WARN_ON(bp->dropless_fc &&
2893 pause->rcq_th_hi + FW_PREFETCH_CNT >
2894 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002895
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002896 pause->pri_map = 1;
2897 }
2898
2899 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002900 rxq_init->dscr_map = fp->rx_desc_mapping;
2901 rxq_init->sge_map = fp->rx_sge_mapping;
2902 rxq_init->rcq_map = fp->rx_comp_mapping;
2903 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002904
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002905 /* This should be a maximum number of data bytes that may be
2906 * placed on the BD (not including paddings).
2907 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002908 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2909 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002910
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002911 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002912 rxq_init->tpa_agg_sz = tpa_agg_size;
2913 rxq_init->sge_buf_sz = sge_sz;
2914 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002915 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002916 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002917
2918 /* Maximum number or simultaneous TPA aggregation for this Queue.
2919 *
2920 * For PF Clients it should be the maximum avaliable number.
2921 * VF driver(s) may want to define it to a smaller value.
2922 */
David S. Miller8decf862011-09-22 03:23:13 -04002923 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002924
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002925 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2926 rxq_init->fw_sb_id = fp->fw_sb_id;
2927
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002928 if (IS_FCOE_FP(fp))
2929 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2930 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002931 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002932 /* configure silent vlan removal
2933 * if multi function mode is afex, then mask default vlan
2934 */
2935 if (IS_MF_AFEX(bp)) {
2936 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2937 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2938 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002939}
2940
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002941static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002942 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2943 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002944{
Merav Sicron65565882012-06-19 07:48:26 +00002945 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002946 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002947 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2948 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002949
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002950 /*
2951 * set the tss leading client id for TX classfication ==
2952 * leading RSS client id
2953 */
2954 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2955
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002956 if (IS_FCOE_FP(fp)) {
2957 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2958 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2959 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002960}
2961
stephen hemminger8d962862010-10-21 07:50:56 +00002962static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002963{
2964 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002965 struct event_ring_data eq_data = { {0} };
2966 u16 flags;
2967
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002968 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002969 /* reset IGU PF statistics: MSIX + ATTN */
2970 /* PF */
2971 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2972 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2973 (CHIP_MODE_IS_4_PORT(bp) ?
2974 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2975 /* ATTN */
2976 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2977 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2978 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2979 (CHIP_MODE_IS_4_PORT(bp) ?
2980 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2981 }
2982
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002983 /* function setup flags */
2984 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2985
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002986 /* This flag is relevant for E1x only.
2987 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002989 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002990
2991 func_init.func_flgs = flags;
2992 func_init.pf_id = BP_FUNC(bp);
2993 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002994 func_init.spq_map = bp->spq_mapping;
2995 func_init.spq_prod = bp->spq_prod_idx;
2996
2997 bnx2x_func_init(bp, &func_init);
2998
2999 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3000
3001 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003002 * Congestion management values depend on the link rate
3003 * There is no active link so initial link rate is set to 10 Gbps.
3004 * When the link comes up The congestion management values are
3005 * re-calculated according to the actual link rate.
3006 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003007 bp->link_vars.line_speed = SPEED_10000;
3008 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3009
3010 /* Only the PMF sets the HW */
3011 if (bp->port.pmf)
3012 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3013
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003014 /* init Event Queue */
3015 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3016 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3017 eq_data.producer = bp->eq_prod;
3018 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3019 eq_data.sb_id = DEF_SB_ID;
3020 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3021}
3022
3023
Eilon Greenstein2691d512009-08-12 08:22:08 +00003024static void bnx2x_e1h_disable(struct bnx2x *bp)
3025{
3026 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003027
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003028 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003029
3030 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003031}
3032
3033static void bnx2x_e1h_enable(struct bnx2x *bp)
3034{
3035 int port = BP_PORT(bp);
3036
3037 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3038
Eilon Greenstein2691d512009-08-12 08:22:08 +00003039 /* Tx queue should be only reenabled */
3040 netif_tx_wake_all_queues(bp->dev);
3041
Eilon Greenstein061bc702009-10-15 00:18:47 -07003042 /*
3043 * Should not call netif_carrier_on since it will be called if the link
3044 * is up when checking for link state
3045 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003046}
3047
Barak Witkowski1d187b32011-12-05 22:41:50 +00003048#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3049
3050static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3051{
3052 struct eth_stats_info *ether_stat =
3053 &bp->slowpath->drv_info_to_mcp.ether_stat;
3054
Dan Carpenter786fdf02012-10-02 01:47:46 +00003055 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3056 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003057
Barak Witkowski15192a82012-06-19 07:48:28 +00003058 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3059 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3060 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003061
3062 ether_stat->mtu_size = bp->dev->mtu;
3063
3064 if (bp->dev->features & NETIF_F_RXCSUM)
3065 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3066 if (bp->dev->features & NETIF_F_TSO)
3067 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3068 ether_stat->feature_flags |= bp->common.boot_mode;
3069
3070 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3071
3072 ether_stat->txq_size = bp->tx_ring_size;
3073 ether_stat->rxq_size = bp->rx_ring_size;
3074}
3075
3076static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3077{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003078#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003079 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3080 struct fcoe_stats_info *fcoe_stat =
3081 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3082
Barak Witkowski2e499d32012-06-26 01:31:19 +00003083 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3084 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003085
3086 fcoe_stat->qos_priority =
3087 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3088
3089 /* insert FCoE stats from ramrod response */
3090 if (!NO_FCOE(bp)) {
3091 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003092 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003093 tstorm_queue_statistics;
3094
3095 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003096 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003097 xstorm_queue_statistics;
3098
3099 struct fcoe_statistics_params *fw_fcoe_stat =
3100 &bp->fw_stats_data->fcoe;
3101
3102 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3103 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3104
3105 ADD_64(fcoe_stat->rx_bytes_hi,
3106 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3107 fcoe_stat->rx_bytes_lo,
3108 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3109
3110 ADD_64(fcoe_stat->rx_bytes_hi,
3111 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3112 fcoe_stat->rx_bytes_lo,
3113 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3114
3115 ADD_64(fcoe_stat->rx_bytes_hi,
3116 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3117 fcoe_stat->rx_bytes_lo,
3118 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3119
3120 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3121 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3122
3123 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3124 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3125
3126 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3127 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3128
3129 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003130 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003131
3132 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3133 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3134
3135 ADD_64(fcoe_stat->tx_bytes_hi,
3136 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3137 fcoe_stat->tx_bytes_lo,
3138 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3139
3140 ADD_64(fcoe_stat->tx_bytes_hi,
3141 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3142 fcoe_stat->tx_bytes_lo,
3143 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3144
3145 ADD_64(fcoe_stat->tx_bytes_hi,
3146 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3147 fcoe_stat->tx_bytes_lo,
3148 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3149
3150 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3151 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3152
3153 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3154 fcoe_q_xstorm_stats->ucast_pkts_sent);
3155
3156 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3157 fcoe_q_xstorm_stats->bcast_pkts_sent);
3158
3159 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3160 fcoe_q_xstorm_stats->mcast_pkts_sent);
3161 }
3162
Barak Witkowski1d187b32011-12-05 22:41:50 +00003163 /* ask L5 driver to add data to the struct */
3164 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3165#endif
3166}
3167
3168static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3169{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003170#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003171 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3172 struct iscsi_stats_info *iscsi_stat =
3173 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3174
Barak Witkowski2e499d32012-06-26 01:31:19 +00003175 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3176 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003177
3178 iscsi_stat->qos_priority =
3179 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3180
Barak Witkowski1d187b32011-12-05 22:41:50 +00003181 /* ask L5 driver to add data to the struct */
3182 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3183#endif
3184}
3185
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003186/* called due to MCP event (on pmf):
3187 * reread new bandwidth configuration
3188 * configure FW
3189 * notify others function about the change
3190 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003191static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003192{
3193 if (bp->link_vars.link_up) {
3194 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3195 bnx2x_link_sync_notify(bp);
3196 }
3197 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3198}
3199
Eric Dumazet1191cb82012-04-27 21:39:21 +00003200static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003201{
3202 bnx2x_config_mf_bw(bp);
3203 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3204}
3205
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003206static void bnx2x_handle_eee_event(struct bnx2x *bp)
3207{
3208 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3209 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3210}
3211
Barak Witkowski1d187b32011-12-05 22:41:50 +00003212static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3213{
3214 enum drv_info_opcode op_code;
3215 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3216
3217 /* if drv_info version supported by MFW doesn't match - send NACK */
3218 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3219 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3220 return;
3221 }
3222
3223 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3224 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3225
3226 memset(&bp->slowpath->drv_info_to_mcp, 0,
3227 sizeof(union drv_info_to_mcp));
3228
3229 switch (op_code) {
3230 case ETH_STATS_OPCODE:
3231 bnx2x_drv_info_ether_stat(bp);
3232 break;
3233 case FCOE_STATS_OPCODE:
3234 bnx2x_drv_info_fcoe_stat(bp);
3235 break;
3236 case ISCSI_STATS_OPCODE:
3237 bnx2x_drv_info_iscsi_stat(bp);
3238 break;
3239 default:
3240 /* if op code isn't supported - send NACK */
3241 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3242 return;
3243 }
3244
3245 /* if we got drv_info attn from MFW then these fields are defined in
3246 * shmem2 for sure
3247 */
3248 SHMEM2_WR(bp, drv_info_host_addr_lo,
3249 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3250 SHMEM2_WR(bp, drv_info_host_addr_hi,
3251 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3252
3253 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3254}
3255
Eilon Greenstein2691d512009-08-12 08:22:08 +00003256static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3257{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003258 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003259
3260 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3261
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003262 /*
3263 * This is the only place besides the function initialization
3264 * where the bp->flags can change so it is done without any
3265 * locks
3266 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003267 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003268 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003269 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003270
3271 bnx2x_e1h_disable(bp);
3272 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003273 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003274 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003275
3276 bnx2x_e1h_enable(bp);
3277 }
3278 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3279 }
3280 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003281 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003282 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3283 }
3284
3285 /* Report results to MCP */
3286 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003287 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003288 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003289 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003290}
3291
Michael Chan28912902009-10-10 13:46:53 +00003292/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003293static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003294{
3295 struct eth_spe *next_spe = bp->spq_prod_bd;
3296
3297 if (bp->spq_prod_bd == bp->spq_last_bd) {
3298 bp->spq_prod_bd = bp->spq;
3299 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003300 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003301 } else {
3302 bp->spq_prod_bd++;
3303 bp->spq_prod_idx++;
3304 }
3305 return next_spe;
3306}
3307
3308/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003309static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003310{
3311 int func = BP_FUNC(bp);
3312
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003313 /*
3314 * Make sure that BD data is updated before writing the producer:
3315 * BD data is written to the memory, the producer is read from the
3316 * memory, thus we need a full memory barrier to ensure the ordering.
3317 */
3318 mb();
Michael Chan28912902009-10-10 13:46:53 +00003319
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003320 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003321 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003322 mmiowb();
3323}
3324
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003325/**
3326 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3327 *
3328 * @cmd: command to check
3329 * @cmd_type: command type
3330 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003331static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003332{
3333 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003334 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003335 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3336 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3337 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3338 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3339 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3340 return true;
3341 else
3342 return false;
3343
3344}
3345
3346
3347/**
3348 * bnx2x_sp_post - place a single command on an SP ring
3349 *
3350 * @bp: driver handle
3351 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3352 * @cid: SW CID the command is related to
3353 * @data_hi: command private data address (high 32 bits)
3354 * @data_lo: command private data address (low 32 bits)
3355 * @cmd_type: command type (e.g. NONE, ETH)
3356 *
3357 * SP data is handled as if it's always an address pair, thus data fields are
3358 * not swapped to little endian in upper functions. Instead this function swaps
3359 * data as if it's two u32 fields.
3360 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003361int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003362 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003363{
Michael Chan28912902009-10-10 13:46:53 +00003364 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003365 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003366 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003369 if (unlikely(bp->panic)) {
3370 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003372 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373#endif
3374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003375 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003376
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003377 if (common) {
3378 if (!atomic_read(&bp->eq_spq_left)) {
3379 BNX2X_ERR("BUG! EQ ring full!\n");
3380 spin_unlock_bh(&bp->spq_lock);
3381 bnx2x_panic();
3382 return -EBUSY;
3383 }
3384 } else if (!atomic_read(&bp->cq_spq_left)) {
3385 BNX2X_ERR("BUG! SPQ ring full!\n");
3386 spin_unlock_bh(&bp->spq_lock);
3387 bnx2x_panic();
3388 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003390
Michael Chan28912902009-10-10 13:46:53 +00003391 spe = bnx2x_sp_get_next(bp);
3392
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003393 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003394 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003395 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3396 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003397
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003398 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003399
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003400 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3401 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003403 spe->hdr.type = cpu_to_le16(type);
3404
3405 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3406 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3407
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003408 /*
3409 * It's ok if the actual decrement is issued towards the memory
3410 * somewhere between the spin_lock and spin_unlock. Thus no
3411 * more explict memory barrier is needed.
3412 */
3413 if (common)
3414 atomic_dec(&bp->eq_spq_left);
3415 else
3416 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003417
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003418
Merav Sicron51c1a582012-03-18 10:33:38 +00003419 DP(BNX2X_MSG_SP,
3420 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003421 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3422 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003423 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003424 HW_CID(bp, cid), data_hi, data_lo, type,
3425 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003426
Michael Chan28912902009-10-10 13:46:53 +00003427 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003428 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429 return 0;
3430}
3431
3432/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003433static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003434{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003435 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003436 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003437
3438 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003439 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440 val = (1UL << 31);
3441 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3442 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3443 if (val & (1L << 31))
3444 break;
3445
3446 msleep(5);
3447 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003449 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003450 rc = -EBUSY;
3451 }
3452
3453 return rc;
3454}
3455
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003456/* release split MCP access lock register */
3457static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003458{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003459 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003460}
3461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003462#define BNX2X_DEF_SB_ATT_IDX 0x0001
3463#define BNX2X_DEF_SB_IDX 0x0002
3464
Eric Dumazet1191cb82012-04-27 21:39:21 +00003465static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003466{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003467 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003468 u16 rc = 0;
3469
3470 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003471 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3472 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003473 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003474 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003475
3476 if (bp->def_idx != def_sb->sp_sb.running_index) {
3477 bp->def_idx = def_sb->sp_sb.running_index;
3478 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003479 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003480
3481 /* Do not reorder: indecies reading should complete before handling */
3482 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003483 return rc;
3484}
3485
3486/*
3487 * slow path service functions
3488 */
3489
3490static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3491{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003492 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003493 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3494 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003495 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3496 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003497 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003498 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003499 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003500
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003501 if (bp->attn_state & asserted)
3502 BNX2X_ERR("IGU ERROR\n");
3503
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003504 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3505 aeu_mask = REG_RD(bp, aeu_addr);
3506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003507 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003508 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003509 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003510 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003511
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003512 REG_WR(bp, aeu_addr, aeu_mask);
3513 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003514
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003515 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003516 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003517 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003518
3519 if (asserted & ATTN_HARD_WIRED_MASK) {
3520 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003521
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003522 bnx2x_acquire_phy_lock(bp);
3523
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003524 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003525 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003526
Yaniv Rosner361c3912011-06-14 01:33:19 +00003527 /* If nig_mask is not set, no need to call the update
3528 * function.
3529 */
3530 if (nig_mask) {
3531 REG_WR(bp, nig_int_mask_addr, 0);
3532
3533 bnx2x_link_attn(bp);
3534 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
3536 /* handle unicore attn? */
3537 }
3538 if (asserted & ATTN_SW_TIMER_4_FUNC)
3539 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3540
3541 if (asserted & GPIO_2_FUNC)
3542 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3543
3544 if (asserted & GPIO_3_FUNC)
3545 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3546
3547 if (asserted & GPIO_4_FUNC)
3548 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3549
3550 if (port == 0) {
3551 if (asserted & ATTN_GENERAL_ATTN_1) {
3552 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3553 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3554 }
3555 if (asserted & ATTN_GENERAL_ATTN_2) {
3556 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3557 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3558 }
3559 if (asserted & ATTN_GENERAL_ATTN_3) {
3560 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3561 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3562 }
3563 } else {
3564 if (asserted & ATTN_GENERAL_ATTN_4) {
3565 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3566 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3567 }
3568 if (asserted & ATTN_GENERAL_ATTN_5) {
3569 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3570 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3571 }
3572 if (asserted & ATTN_GENERAL_ATTN_6) {
3573 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3574 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3575 }
3576 }
3577
3578 } /* if hardwired */
3579
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003580 if (bp->common.int_block == INT_BLOCK_HC)
3581 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3582 COMMAND_REG_ATTN_BITS_SET);
3583 else
3584 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3585
3586 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3587 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3588 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003589
3590 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003591 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003592 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003593 bnx2x_release_phy_lock(bp);
3594 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003595}
3596
Eric Dumazet1191cb82012-04-27 21:39:21 +00003597static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003598{
3599 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003600 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003601 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003602 ext_phy_config =
3603 SHMEM_RD(bp,
3604 dev_info.port_hw_config[port].external_phy_config);
3605
3606 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3607 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003608 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003609 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003610
3611 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003612 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3613 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003614
3615 /*
3616 * Scheudle device reset (unload)
3617 * This is due to some boards consuming sufficient power when driver is
3618 * up to overheat if fan fails.
3619 */
3620 smp_mb__before_clear_bit();
3621 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3622 smp_mb__after_clear_bit();
3623 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3624
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003625}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003626
Eric Dumazet1191cb82012-04-27 21:39:21 +00003627static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003628{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003629 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003630 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003631 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003632
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003633 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3634 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003635
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003636 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003637
3638 val = REG_RD(bp, reg_offset);
3639 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3640 REG_WR(bp, reg_offset, val);
3641
3642 BNX2X_ERR("SPIO5 hw attention\n");
3643
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003644 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003645 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003646 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003647 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003648
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003649 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003650 bnx2x_acquire_phy_lock(bp);
3651 bnx2x_handle_module_detect_int(&bp->link_params);
3652 bnx2x_release_phy_lock(bp);
3653 }
3654
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003655 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3656
3657 val = REG_RD(bp, reg_offset);
3658 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3659 REG_WR(bp, reg_offset, val);
3660
3661 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003662 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003663 bnx2x_panic();
3664 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003665}
3666
Eric Dumazet1191cb82012-04-27 21:39:21 +00003667static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003668{
3669 u32 val;
3670
Eilon Greenstein0626b892009-02-12 08:38:14 +00003671 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003672
3673 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3674 BNX2X_ERR("DB hw attention 0x%x\n", val);
3675 /* DORQ discard attention */
3676 if (val & 0x2)
3677 BNX2X_ERR("FATAL error from DORQ\n");
3678 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003679
3680 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3681
3682 int port = BP_PORT(bp);
3683 int reg_offset;
3684
3685 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3686 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3687
3688 val = REG_RD(bp, reg_offset);
3689 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3690 REG_WR(bp, reg_offset, val);
3691
3692 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003693 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003694 bnx2x_panic();
3695 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003696}
3697
Eric Dumazet1191cb82012-04-27 21:39:21 +00003698static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003699{
3700 u32 val;
3701
3702 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3703
3704 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3705 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3706 /* CFC error attention */
3707 if (val & 0x2)
3708 BNX2X_ERR("FATAL error from CFC\n");
3709 }
3710
3711 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003712 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003713 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003714 /* RQ_USDMDP_FIFO_OVERFLOW */
3715 if (val & 0x18000)
3716 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003717
3718 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003719 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3720 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3721 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003722 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003723
3724 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3725
3726 int port = BP_PORT(bp);
3727 int reg_offset;
3728
3729 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3730 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3731
3732 val = REG_RD(bp, reg_offset);
3733 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3734 REG_WR(bp, reg_offset, val);
3735
3736 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003737 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003738 bnx2x_panic();
3739 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003740}
3741
Eric Dumazet1191cb82012-04-27 21:39:21 +00003742static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003743{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003744 u32 val;
3745
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003746 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003748 if (attn & BNX2X_PMF_LINK_ASSERT) {
3749 int func = BP_FUNC(bp);
3750
3751 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003752 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003753 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3754 func_mf_config[BP_ABS_FUNC(bp)].config);
3755 val = SHMEM_RD(bp,
3756 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003757 if (val & DRV_STATUS_DCC_EVENT_MASK)
3758 bnx2x_dcc_event(bp,
3759 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003760
3761 if (val & DRV_STATUS_SET_MF_BW)
3762 bnx2x_set_mf_bw(bp);
3763
Barak Witkowski1d187b32011-12-05 22:41:50 +00003764 if (val & DRV_STATUS_DRV_INFO_REQ)
3765 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003766 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003767 bnx2x_pmf_update(bp);
3768
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003769 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003770 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3771 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003772 /* start dcbx state machine */
3773 bnx2x_dcbx_set_params(bp,
3774 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003775 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3776 bnx2x_handle_afex_cmd(bp,
3777 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003778 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3779 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003780 if (bp->link_vars.periodic_flags &
3781 PERIODIC_FLAGS_LINK_EVENT) {
3782 /* sync with link */
3783 bnx2x_acquire_phy_lock(bp);
3784 bp->link_vars.periodic_flags &=
3785 ~PERIODIC_FLAGS_LINK_EVENT;
3786 bnx2x_release_phy_lock(bp);
3787 if (IS_MF(bp))
3788 bnx2x_link_sync_notify(bp);
3789 bnx2x_link_report(bp);
3790 }
3791 /* Always call it here: bnx2x_link_report() will
3792 * prevent the link indication duplication.
3793 */
3794 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003795 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003796
3797 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003798 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003799 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3800 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3801 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3802 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3803 bnx2x_panic();
3804
3805 } else if (attn & BNX2X_MCP_ASSERT) {
3806
3807 BNX2X_ERR("MCP assert!\n");
3808 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003809 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003810
3811 } else
3812 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3813 }
3814
3815 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003816 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3817 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003818 val = CHIP_IS_E1(bp) ? 0 :
3819 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003820 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3821 }
3822 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003823 val = CHIP_IS_E1(bp) ? 0 :
3824 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003825 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3826 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003827 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003828 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003829}
3830
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003831/*
3832 * Bits map:
3833 * 0-7 - Engine0 load counter.
3834 * 8-15 - Engine1 load counter.
3835 * 16 - Engine0 RESET_IN_PROGRESS bit.
3836 * 17 - Engine1 RESET_IN_PROGRESS bit.
3837 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3838 * on the engine
3839 * 19 - Engine1 ONE_IS_LOADED.
3840 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3841 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3842 * just the one belonging to its engine).
3843 *
3844 */
3845#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3846
3847#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3848#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3849#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3850#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3851#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3852#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3853#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003854
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003855/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003856 * Set the GLOBAL_RESET bit.
3857 *
3858 * Should be run under rtnl lock
3859 */
3860void bnx2x_set_reset_global(struct bnx2x *bp)
3861{
Ariel Eliorf16da432012-01-26 06:01:50 +00003862 u32 val;
3863 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3864 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003865 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003866 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003867}
3868
3869/*
3870 * Clear the GLOBAL_RESET bit.
3871 *
3872 * Should be run under rtnl lock
3873 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003874static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003875{
Ariel Eliorf16da432012-01-26 06:01:50 +00003876 u32 val;
3877 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3878 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003879 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003880 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003881}
3882
3883/*
3884 * Checks the GLOBAL_RESET bit.
3885 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003886 * should be run under rtnl lock
3887 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003888static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003889{
3890 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3891
3892 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3893 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3894}
3895
3896/*
3897 * Clear RESET_IN_PROGRESS bit for the current engine.
3898 *
3899 * Should be run under rtnl lock
3900 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003901static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003902{
Ariel Eliorf16da432012-01-26 06:01:50 +00003903 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003904 u32 bit = BP_PATH(bp) ?
3905 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003906 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3907 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003908
3909 /* Clear the bit */
3910 val &= ~bit;
3911 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003912
3913 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003914}
3915
3916/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003917 * Set RESET_IN_PROGRESS for the current engine.
3918 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003919 * should be run under rtnl lock
3920 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003921void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003922{
Ariel Eliorf16da432012-01-26 06:01:50 +00003923 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003924 u32 bit = BP_PATH(bp) ?
3925 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003926 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3927 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003928
3929 /* Set the bit */
3930 val |= bit;
3931 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003932 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003933}
3934
3935/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003937 * should be run under rtnl lock
3938 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003939bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003940{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003941 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3942 u32 bit = engine ?
3943 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3944
3945 /* return false if bit is set */
3946 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003947}
3948
3949/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003950 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003951 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003952 * should be run under rtnl lock
3953 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003954void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003955{
Ariel Eliorf16da432012-01-26 06:01:50 +00003956 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003957 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3958 BNX2X_PATH0_LOAD_CNT_MASK;
3959 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3960 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003961
Ariel Eliorf16da432012-01-26 06:01:50 +00003962 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3963 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3964
Merav Sicron51c1a582012-03-18 10:33:38 +00003965 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003966
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003967 /* get the current counter value */
3968 val1 = (val & mask) >> shift;
3969
Ariel Elior889b9af2012-01-26 06:01:51 +00003970 /* set bit of that PF */
3971 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003972
3973 /* clear the old value */
3974 val &= ~mask;
3975
3976 /* set the new one */
3977 val |= ((val1 << shift) & mask);
3978
3979 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003980 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003981}
3982
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003983/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003984 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003985 *
3986 * @bp: driver handle
3987 *
3988 * Should be run under rtnl lock.
3989 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003990 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003991 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003992bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003993{
Ariel Eliorf16da432012-01-26 06:01:50 +00003994 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003995 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3996 BNX2X_PATH0_LOAD_CNT_MASK;
3997 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3998 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003999
Ariel Eliorf16da432012-01-26 06:01:50 +00004000 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4001 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004002 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004003
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004004 /* get the current counter value */
4005 val1 = (val & mask) >> shift;
4006
Ariel Elior889b9af2012-01-26 06:01:51 +00004007 /* clear bit of that PF */
4008 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004009
4010 /* clear the old value */
4011 val &= ~mask;
4012
4013 /* set the new one */
4014 val |= ((val1 << shift) & mask);
4015
4016 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004017 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4018 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004019}
4020
4021/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004022 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004024 * should be run under rtnl lock
4025 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004026static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004027{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004028 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4029 BNX2X_PATH0_LOAD_CNT_MASK);
4030 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4031 BNX2X_PATH0_LOAD_CNT_SHIFT);
4032 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4033
Merav Sicron51c1a582012-03-18 10:33:38 +00004034 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004035
4036 val = (val & mask) >> shift;
4037
Merav Sicron51c1a582012-03-18 10:33:38 +00004038 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4039 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004040
Ariel Elior889b9af2012-01-26 06:01:51 +00004041 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004042}
4043
Eric Dumazet1191cb82012-04-27 21:39:21 +00004044static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004045{
Joe Perchesf1deab52011-08-14 12:16:21 +00004046 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004047}
4048
Eric Dumazet1191cb82012-04-27 21:39:21 +00004049static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4050 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004051{
4052 int i = 0;
4053 u32 cur_bit = 0;
4054 for (i = 0; sig; i++) {
4055 cur_bit = ((u32)0x1 << i);
4056 if (sig & cur_bit) {
4057 switch (cur_bit) {
4058 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004059 if (print)
4060 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004061 break;
4062 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004063 if (print)
4064 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004065 break;
4066 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004067 if (print)
4068 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004069 break;
4070 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004071 if (print)
4072 _print_next_block(par_num++,
4073 "SEARCHER");
4074 break;
4075 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4076 if (print)
4077 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004078 break;
4079 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004080 if (print)
4081 _print_next_block(par_num++, "TSEMI");
4082 break;
4083 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4084 if (print)
4085 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004086 break;
4087 }
4088
4089 /* Clear the bit */
4090 sig &= ~cur_bit;
4091 }
4092 }
4093
4094 return par_num;
4095}
4096
Eric Dumazet1191cb82012-04-27 21:39:21 +00004097static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4098 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004099{
4100 int i = 0;
4101 u32 cur_bit = 0;
4102 for (i = 0; sig; i++) {
4103 cur_bit = ((u32)0x1 << i);
4104 if (sig & cur_bit) {
4105 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004106 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4107 if (print)
4108 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004109 break;
4110 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004111 if (print)
4112 _print_next_block(par_num++, "QM");
4113 break;
4114 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4115 if (print)
4116 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004117 break;
4118 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004119 if (print)
4120 _print_next_block(par_num++, "XSDM");
4121 break;
4122 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4123 if (print)
4124 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004125 break;
4126 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004127 if (print)
4128 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004129 break;
4130 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004131 if (print)
4132 _print_next_block(par_num++,
4133 "DOORBELLQ");
4134 break;
4135 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4136 if (print)
4137 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004138 break;
4139 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004140 if (print)
4141 _print_next_block(par_num++,
4142 "VAUX PCI CORE");
4143 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004144 break;
4145 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004146 if (print)
4147 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004148 break;
4149 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004150 if (print)
4151 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004152 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004153 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4154 if (print)
4155 _print_next_block(par_num++, "UCM");
4156 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004157 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004158 if (print)
4159 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004160 break;
4161 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004162 if (print)
4163 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004164 break;
4165 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004166 if (print)
4167 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004168 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004169 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4170 if (print)
4171 _print_next_block(par_num++, "CCM");
4172 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004173 }
4174
4175 /* Clear the bit */
4176 sig &= ~cur_bit;
4177 }
4178 }
4179
4180 return par_num;
4181}
4182
Eric Dumazet1191cb82012-04-27 21:39:21 +00004183static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4184 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004185{
4186 int i = 0;
4187 u32 cur_bit = 0;
4188 for (i = 0; sig; i++) {
4189 cur_bit = ((u32)0x1 << i);
4190 if (sig & cur_bit) {
4191 switch (cur_bit) {
4192 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004193 if (print)
4194 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004195 break;
4196 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004197 if (print)
4198 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004199 break;
4200 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004201 if (print)
4202 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004203 "PXPPCICLOCKCLIENT");
4204 break;
4205 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004206 if (print)
4207 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004208 break;
4209 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004210 if (print)
4211 _print_next_block(par_num++, "CDU");
4212 break;
4213 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4214 if (print)
4215 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004216 break;
4217 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004218 if (print)
4219 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004220 break;
4221 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004222 if (print)
4223 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004224 break;
4225 }
4226
4227 /* Clear the bit */
4228 sig &= ~cur_bit;
4229 }
4230 }
4231
4232 return par_num;
4233}
4234
Eric Dumazet1191cb82012-04-27 21:39:21 +00004235static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4236 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004237{
4238 int i = 0;
4239 u32 cur_bit = 0;
4240 for (i = 0; sig; i++) {
4241 cur_bit = ((u32)0x1 << i);
4242 if (sig & cur_bit) {
4243 switch (cur_bit) {
4244 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004245 if (print)
4246 _print_next_block(par_num++, "MCP ROM");
4247 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004248 break;
4249 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004250 if (print)
4251 _print_next_block(par_num++,
4252 "MCP UMP RX");
4253 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004254 break;
4255 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004256 if (print)
4257 _print_next_block(par_num++,
4258 "MCP UMP TX");
4259 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004260 break;
4261 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004262 if (print)
4263 _print_next_block(par_num++,
4264 "MCP SCPAD");
4265 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004266 break;
4267 }
4268
4269 /* Clear the bit */
4270 sig &= ~cur_bit;
4271 }
4272 }
4273
4274 return par_num;
4275}
4276
Eric Dumazet1191cb82012-04-27 21:39:21 +00004277static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4278 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004279{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004280 int i = 0;
4281 u32 cur_bit = 0;
4282 for (i = 0; sig; i++) {
4283 cur_bit = ((u32)0x1 << i);
4284 if (sig & cur_bit) {
4285 switch (cur_bit) {
4286 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4287 if (print)
4288 _print_next_block(par_num++, "PGLUE_B");
4289 break;
4290 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4291 if (print)
4292 _print_next_block(par_num++, "ATC");
4293 break;
4294 }
4295
4296 /* Clear the bit */
4297 sig &= ~cur_bit;
4298 }
4299 }
4300
4301 return par_num;
4302}
4303
Eric Dumazet1191cb82012-04-27 21:39:21 +00004304static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4305 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004306{
4307 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4308 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4309 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4310 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4311 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004312 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004313 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4314 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004315 sig[0] & HW_PRTY_ASSERT_SET_0,
4316 sig[1] & HW_PRTY_ASSERT_SET_1,
4317 sig[2] & HW_PRTY_ASSERT_SET_2,
4318 sig[3] & HW_PRTY_ASSERT_SET_3,
4319 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004320 if (print)
4321 netdev_err(bp->dev,
4322 "Parity errors detected in blocks: ");
4323 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004324 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004325 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004326 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004327 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004328 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004329 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004330 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4331 par_num = bnx2x_check_blocks_with_parity4(
4332 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4333
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004334 if (print)
4335 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004336
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004337 return true;
4338 } else
4339 return false;
4340}
4341
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004342/**
4343 * bnx2x_chk_parity_attn - checks for parity attentions.
4344 *
4345 * @bp: driver handle
4346 * @global: true if there was a global attention
4347 * @print: show parity attention in syslog
4348 */
4349bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004350{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004351 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004352 int port = BP_PORT(bp);
4353
4354 attn.sig[0] = REG_RD(bp,
4355 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4356 port*4);
4357 attn.sig[1] = REG_RD(bp,
4358 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4359 port*4);
4360 attn.sig[2] = REG_RD(bp,
4361 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4362 port*4);
4363 attn.sig[3] = REG_RD(bp,
4364 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4365 port*4);
4366
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004367 if (!CHIP_IS_E1x(bp))
4368 attn.sig[4] = REG_RD(bp,
4369 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4370 port*4);
4371
4372 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004373}
4374
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004375
Eric Dumazet1191cb82012-04-27 21:39:21 +00004376static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004377{
4378 u32 val;
4379 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4380
4381 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4382 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4383 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004384 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004385 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004386 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004387 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004388 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004389 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004390 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004391 if (val &
4392 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004393 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004394 if (val &
4395 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004396 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004397 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004398 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004399 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004400 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004401 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004402 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004403 }
4404 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4405 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4406 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4407 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4408 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4409 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004410 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004411 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004412 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004413 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004414 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004415 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4416 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4417 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004418 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 }
4420
4421 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4422 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4423 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4424 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4425 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4426 }
4427
4428}
4429
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004430static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4431{
4432 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004433 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004434 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435 u32 reg_addr;
4436 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004437 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004438 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004439
4440 /* need to take HW lock because MCP or other port might also
4441 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004442 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004443
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004444 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4445#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004446 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004447 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004448 /* Disable HW interrupts */
4449 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004450 /* In case of parity errors don't handle attentions so that
4451 * other function would "see" parity errors.
4452 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004453#else
4454 bnx2x_panic();
4455#endif
4456 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004457 return;
4458 }
4459
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004460 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4461 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4462 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4463 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004464 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004465 attn.sig[4] =
4466 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4467 else
4468 attn.sig[4] = 0;
4469
4470 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4471 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004472
4473 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4474 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004475 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004476
Merav Sicron51c1a582012-03-18 10:33:38 +00004477 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004478 index,
4479 group_mask->sig[0], group_mask->sig[1],
4480 group_mask->sig[2], group_mask->sig[3],
4481 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004483 bnx2x_attn_int_deasserted4(bp,
4484 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004485 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004486 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004487 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004488 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004489 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004490 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004491 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004492 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004493 }
4494 }
4495
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004496 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004497
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004498 if (bp->common.int_block == INT_BLOCK_HC)
4499 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4500 COMMAND_REG_ATTN_BITS_CLR);
4501 else
4502 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503
4504 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004505 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4506 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004507 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004508
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004509 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004510 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004511
4512 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4513 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4514
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004515 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4516 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004517
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004518 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4519 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004520 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004521 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4522
4523 REG_WR(bp, reg_addr, aeu_mask);
4524 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004525
4526 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4527 bp->attn_state &= ~deasserted;
4528 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4529}
4530
4531static void bnx2x_attn_int(struct bnx2x *bp)
4532{
4533 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004534 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4535 attn_bits);
4536 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4537 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538 u32 attn_state = bp->attn_state;
4539
4540 /* look for changed bits */
4541 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4542 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4543
4544 DP(NETIF_MSG_HW,
4545 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4546 attn_bits, attn_ack, asserted, deasserted);
4547
4548 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004549 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004550
4551 /* handle bits that were raised */
4552 if (asserted)
4553 bnx2x_attn_int_asserted(bp, asserted);
4554
4555 if (deasserted)
4556 bnx2x_attn_int_deasserted(bp, deasserted);
4557}
4558
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004559void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4560 u16 index, u8 op, u8 update)
4561{
4562 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4563
4564 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4565 igu_addr);
4566}
4567
Eric Dumazet1191cb82012-04-27 21:39:21 +00004568static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004569{
4570 /* No memory barriers */
4571 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4572 mmiowb(); /* keep prod updates ordered */
4573}
4574
4575#ifdef BCM_CNIC
4576static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4577 union event_ring_elem *elem)
4578{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004579 u8 err = elem->message.error;
4580
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004581 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004582 (cid < bp->cnic_eth_dev.starting_cid &&
4583 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004584 return 1;
4585
4586 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4587
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004588 if (unlikely(err)) {
4589
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004590 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4591 cid);
4592 bnx2x_panic_dump(bp);
4593 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004594 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004595 return 0;
4596}
4597#endif
4598
Eric Dumazet1191cb82012-04-27 21:39:21 +00004599static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004600{
4601 struct bnx2x_mcast_ramrod_params rparam;
4602 int rc;
4603
4604 memset(&rparam, 0, sizeof(rparam));
4605
4606 rparam.mcast_obj = &bp->mcast_obj;
4607
4608 netif_addr_lock_bh(bp->dev);
4609
4610 /* Clear pending state for the last command */
4611 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4612
4613 /* If there are pending mcast commands - send them */
4614 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4615 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4616 if (rc < 0)
4617 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4618 rc);
4619 }
4620
4621 netif_addr_unlock_bh(bp->dev);
4622}
4623
Eric Dumazet1191cb82012-04-27 21:39:21 +00004624static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4625 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004626{
4627 unsigned long ramrod_flags = 0;
4628 int rc = 0;
4629 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4630 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4631
4632 /* Always push next commands out, don't wait here */
4633 __set_bit(RAMROD_CONT, &ramrod_flags);
4634
4635 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4636 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004637 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004638#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004639 if (cid == BNX2X_ISCSI_ETH_CID(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004640 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4641 else
4642#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004643 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004644
4645 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004646 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004647 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004648 /* This is only relevant for 57710 where multicast MACs are
4649 * configured as unicast MACs using the same ramrod.
4650 */
4651 bnx2x_handle_mcast_eqe(bp);
4652 return;
4653 default:
4654 BNX2X_ERR("Unsupported classification command: %d\n",
4655 elem->message.data.eth_event.echo);
4656 return;
4657 }
4658
4659 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4660
4661 if (rc < 0)
4662 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4663 else if (rc > 0)
4664 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4665
4666}
4667
4668#ifdef BCM_CNIC
4669static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4670#endif
4671
Eric Dumazet1191cb82012-04-27 21:39:21 +00004672static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004673{
4674 netif_addr_lock_bh(bp->dev);
4675
4676 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4677
4678 /* Send rx_mode command again if was requested */
4679 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4680 bnx2x_set_storm_rx_mode(bp);
4681#ifdef BCM_CNIC
4682 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4683 &bp->sp_state))
4684 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4685 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4686 &bp->sp_state))
4687 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4688#endif
4689
4690 netif_addr_unlock_bh(bp->dev);
4691}
4692
Eric Dumazet1191cb82012-04-27 21:39:21 +00004693static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004694 union event_ring_elem *elem)
4695{
4696 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4697 DP(BNX2X_MSG_SP,
4698 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4699 elem->message.data.vif_list_event.func_bit_map);
4700 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4701 elem->message.data.vif_list_event.func_bit_map);
4702 } else if (elem->message.data.vif_list_event.echo ==
4703 VIF_LIST_RULE_SET) {
4704 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4705 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4706 }
4707}
4708
4709/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004710static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004711{
4712 int q, rc;
4713 struct bnx2x_fastpath *fp;
4714 struct bnx2x_queue_state_params queue_params = {NULL};
4715 struct bnx2x_queue_update_params *q_update_params =
4716 &queue_params.params.update;
4717
4718 /* Send Q update command with afex vlan removal values for all Qs */
4719 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4720
4721 /* set silent vlan removal values according to vlan mode */
4722 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4723 &q_update_params->update_flags);
4724 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4725 &q_update_params->update_flags);
4726 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4727
4728 /* in access mode mark mask and value are 0 to strip all vlans */
4729 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4730 q_update_params->silent_removal_value = 0;
4731 q_update_params->silent_removal_mask = 0;
4732 } else {
4733 q_update_params->silent_removal_value =
4734 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4735 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4736 }
4737
4738 for_each_eth_queue(bp, q) {
4739 /* Set the appropriate Queue object */
4740 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004741 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004742
4743 /* send the ramrod */
4744 rc = bnx2x_queue_state_change(bp, &queue_params);
4745 if (rc < 0)
4746 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4747 q);
4748 }
4749
4750#ifdef BCM_CNIC
4751 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004752 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004753 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004754
4755 /* clear pending completion bit */
4756 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4757
4758 /* mark latest Q bit */
4759 smp_mb__before_clear_bit();
4760 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4761 smp_mb__after_clear_bit();
4762
4763 /* send Q update ramrod for FCoE Q */
4764 rc = bnx2x_queue_state_change(bp, &queue_params);
4765 if (rc < 0)
4766 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4767 q);
4768 } else {
4769 /* If no FCoE ring - ACK MCP now */
4770 bnx2x_link_report(bp);
4771 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4772 }
4773#else
4774 /* If no FCoE ring - ACK MCP now */
4775 bnx2x_link_report(bp);
4776 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4777#endif /* BCM_CNIC */
4778}
4779
Eric Dumazet1191cb82012-04-27 21:39:21 +00004780static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004781 struct bnx2x *bp, u32 cid)
4782{
Joe Perches94f05b02011-08-14 12:16:20 +00004783 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004784#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004785 if (cid == BNX2X_FCOE_ETH_CID(bp))
Barak Witkowski15192a82012-06-19 07:48:28 +00004786 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004787 else
4788#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004789 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004790}
4791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004792static void bnx2x_eq_int(struct bnx2x *bp)
4793{
4794 u16 hw_cons, sw_cons, sw_prod;
4795 union event_ring_elem *elem;
4796 u32 cid;
4797 u8 opcode;
4798 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004799 struct bnx2x_queue_sp_obj *q_obj;
4800 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4801 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004802
4803 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4804
4805 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4806 * when we get the the next-page we nned to adjust so the loop
4807 * condition below will be met. The next element is the size of a
4808 * regular element and hence incrementing by 1
4809 */
4810 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4811 hw_cons++;
4812
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004813 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004814 * specific bp, thus there is no need in "paired" read memory
4815 * barrier here.
4816 */
4817 sw_cons = bp->eq_cons;
4818 sw_prod = bp->eq_prod;
4819
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004820 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004821 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004822
4823 for (; sw_cons != hw_cons;
4824 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4825
4826
4827 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4828
4829 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4830 opcode = elem->message.opcode;
4831
4832
4833 /* handle eq element */
4834 switch (opcode) {
4835 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004836 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4837 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004838 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004839 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004840 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004841
4842 case EVENT_RING_OPCODE_CFC_DEL:
4843 /* handle according to cid range */
4844 /*
4845 * we may want to verify here that the bp state is
4846 * HALTING
4847 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004848 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004849 "got delete ramrod for MULTI[%d]\n", cid);
4850#ifdef BCM_CNIC
4851 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4852 goto next_spqe;
4853#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004854 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4855
4856 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4857 break;
4858
4859
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004860
4861 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004862
4863 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004864 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004865 if (f_obj->complete_cmd(bp, f_obj,
4866 BNX2X_F_CMD_TX_STOP))
4867 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004868 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4869 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004870
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004871 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004872 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004873 if (f_obj->complete_cmd(bp, f_obj,
4874 BNX2X_F_CMD_TX_START))
4875 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004876 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4877 goto next_spqe;
Barak Witkowskia3348722012-04-23 03:04:46 +00004878 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
4879 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4880 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4881 f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_AFEX_UPDATE);
4882
4883 /* We will perform the Queues update from sp_rtnl task
4884 * as all Queue SP operations should run under
4885 * rtnl_lock.
4886 */
4887 smp_mb__before_clear_bit();
4888 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4889 &bp->sp_rtnl_state);
4890 smp_mb__after_clear_bit();
4891
4892 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4893 goto next_spqe;
4894
4895 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4896 f_obj->complete_cmd(bp, f_obj,
4897 BNX2X_F_CMD_AFEX_VIFLISTS);
4898 bnx2x_after_afex_vif_lists(bp, elem);
4899 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004900 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004901 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4902 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004903 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4904 break;
4905
4906 goto next_spqe;
4907
4908 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004909 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4910 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004911 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4912 break;
4913
4914 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004915 }
4916
4917 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004918 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4919 BNX2X_STATE_OPEN):
4920 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004921 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004922 cid = elem->message.data.eth_event.echo &
4923 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004924 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004925 cid);
4926 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004927 break;
4928
4929 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4930 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004931 case (EVENT_RING_OPCODE_SET_MAC |
4932 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004933 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4934 BNX2X_STATE_OPEN):
4935 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4936 BNX2X_STATE_DIAG):
4937 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4938 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004939 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004940 bnx2x_handle_classification_eqe(bp, elem);
4941 break;
4942
4943 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4944 BNX2X_STATE_OPEN):
4945 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4946 BNX2X_STATE_DIAG):
4947 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4948 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004949 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004950 bnx2x_handle_mcast_eqe(bp);
4951 break;
4952
4953 case (EVENT_RING_OPCODE_FILTERS_RULES |
4954 BNX2X_STATE_OPEN):
4955 case (EVENT_RING_OPCODE_FILTERS_RULES |
4956 BNX2X_STATE_DIAG):
4957 case (EVENT_RING_OPCODE_FILTERS_RULES |
4958 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004959 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004960 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004961 break;
4962 default:
4963 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004964 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4965 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004966 }
4967next_spqe:
4968 spqe_cnt++;
4969 } /* for */
4970
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004971 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004972 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004973
4974 bp->eq_cons = sw_cons;
4975 bp->eq_prod = sw_prod;
4976 /* Make sure that above mem writes were issued towards the memory */
4977 smp_wmb();
4978
4979 /* update producer */
4980 bnx2x_update_eq_prod(bp, bp->eq_prod);
4981}
4982
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004983static void bnx2x_sp_task(struct work_struct *work)
4984{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004985 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004986 u16 status;
4987
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004988 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004989/* if (status == 0) */
4990/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004991
Merav Sicron51c1a582012-03-18 10:33:38 +00004992 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004993
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004994 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004995 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004996 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004997 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004998 }
4999
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005000 /* SP events: STAT_QUERY and others */
5001 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005002#ifdef BCM_CNIC
5003 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005004
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005005 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005006 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5007 /*
5008 * Prevent local bottom-halves from running as
5009 * we are going to change the local NAPI list.
5010 */
5011 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005012 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005013 local_bh_enable();
5014 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005015#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005016 /* Handle EQ completions */
5017 bnx2x_eq_int(bp);
5018
5019 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5020 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5021
5022 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005023 }
5024
5025 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005026 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005027 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005028
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005029 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5030 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005031
5032 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5033 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5034 &bp->sp_state)) {
5035 bnx2x_link_report(bp);
5036 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5037 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005038}
5039
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005040irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005041{
5042 struct net_device *dev = dev_instance;
5043 struct bnx2x *bp = netdev_priv(dev);
5044
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005045 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5046 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005047
5048#ifdef BNX2X_STOP_ON_ERROR
5049 if (unlikely(bp->panic))
5050 return IRQ_HANDLED;
5051#endif
5052
Michael Chan993ac7b2009-10-10 13:46:56 +00005053#ifdef BCM_CNIC
5054 {
5055 struct cnic_ops *c_ops;
5056
5057 rcu_read_lock();
5058 c_ops = rcu_dereference(bp->cnic_ops);
5059 if (c_ops)
5060 c_ops->cnic_handler(bp->cnic_data, NULL);
5061 rcu_read_unlock();
5062 }
5063#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005064 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005065
5066 return IRQ_HANDLED;
5067}
5068
5069/* end of slow path */
5070
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005071
5072void bnx2x_drv_pulse(struct bnx2x *bp)
5073{
5074 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5075 bp->fw_drv_pulse_wr_seq);
5076}
5077
5078
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005079static void bnx2x_timer(unsigned long data)
5080{
5081 struct bnx2x *bp = (struct bnx2x *) data;
5082
5083 if (!netif_running(bp->dev))
5084 return;
5085
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005086 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005087 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005088 u32 drv_pulse;
5089 u32 mcp_pulse;
5090
5091 ++bp->fw_drv_pulse_wr_seq;
5092 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5093 /* TBD - add SYSTEM_TIME */
5094 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005095 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005096
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005097 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098 MCP_PULSE_SEQ_MASK);
5099 /* The delta between driver pulse and mcp response
5100 * should be 1 (before mcp response) or 0 (after mcp response)
5101 */
5102 if ((drv_pulse != mcp_pulse) &&
5103 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5104 /* someone lost a heartbeat... */
5105 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5106 drv_pulse, mcp_pulse);
5107 }
5108 }
5109
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005110 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005111 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005112
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113 mod_timer(&bp->timer, jiffies + bp->current_interval);
5114}
5115
5116/* end of Statistics */
5117
5118/* nic init */
5119
5120/*
5121 * nic init service functions
5122 */
5123
Eric Dumazet1191cb82012-04-27 21:39:21 +00005124static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005125{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005126 u32 i;
5127 if (!(len%4) && !(addr%4))
5128 for (i = 0; i < len; i += 4)
5129 REG_WR(bp, addr + i, fill);
5130 else
5131 for (i = 0; i < len; i++)
5132 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005134}
5135
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005136/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005137static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5138 int fw_sb_id,
5139 u32 *sb_data_p,
5140 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005141{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005143 for (index = 0; index < data_size; index++)
5144 REG_WR(bp, BAR_CSTRORM_INTMEM +
5145 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5146 sizeof(u32)*index,
5147 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005148}
5149
Eric Dumazet1191cb82012-04-27 21:39:21 +00005150static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005151{
5152 u32 *sb_data_p;
5153 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005154 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005155 struct hc_status_block_data_e1x sb_data_e1x;
5156
5157 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005158 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005159 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005160 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005161 sb_data_e2.common.p_func.vf_valid = false;
5162 sb_data_p = (u32 *)&sb_data_e2;
5163 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5164 } else {
5165 memset(&sb_data_e1x, 0,
5166 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005167 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 sb_data_e1x.common.p_func.vf_valid = false;
5169 sb_data_p = (u32 *)&sb_data_e1x;
5170 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5171 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005172 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5173
5174 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5175 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5176 CSTORM_STATUS_BLOCK_SIZE);
5177 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5178 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5179 CSTORM_SYNC_BLOCK_SIZE);
5180}
5181
5182/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005183static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005184 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005185{
5186 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005187 int i;
5188 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5189 REG_WR(bp, BAR_CSTRORM_INTMEM +
5190 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5191 i*sizeof(u32),
5192 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005193}
5194
Eric Dumazet1191cb82012-04-27 21:39:21 +00005195static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005196{
5197 int func = BP_FUNC(bp);
5198 struct hc_sp_status_block_data sp_sb_data;
5199 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5200
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005201 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005202 sp_sb_data.p_func.vf_valid = false;
5203
5204 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5205
5206 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5207 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5208 CSTORM_SP_STATUS_BLOCK_SIZE);
5209 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5210 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5211 CSTORM_SP_SYNC_BLOCK_SIZE);
5212
5213}
5214
5215
Eric Dumazet1191cb82012-04-27 21:39:21 +00005216static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005217 int igu_sb_id, int igu_seg_id)
5218{
5219 hc_sm->igu_sb_id = igu_sb_id;
5220 hc_sm->igu_seg_id = igu_seg_id;
5221 hc_sm->timer_value = 0xFF;
5222 hc_sm->time_to_expire = 0xFFFFFFFF;
5223}
5224
David S. Miller8decf862011-09-22 03:23:13 -04005225
5226/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005227static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005228{
5229 /* zero out state machine indices */
5230 /* rx indices */
5231 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5232
5233 /* tx indices */
5234 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5235 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5236 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5237 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5238
5239 /* map indices */
5240 /* rx indices */
5241 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5242 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5243
5244 /* tx indices */
5245 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5246 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5247 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5248 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5249 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5250 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5251 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5252 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5253}
5254
stephen hemminger8d962862010-10-21 07:50:56 +00005255static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005256 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5257{
5258 int igu_seg_id;
5259
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005260 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005261 struct hc_status_block_data_e1x sb_data_e1x;
5262 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005263 int data_size;
5264 u32 *sb_data_p;
5265
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005266 if (CHIP_INT_MODE_IS_BC(bp))
5267 igu_seg_id = HC_SEG_ACCESS_NORM;
5268 else
5269 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005270
5271 bnx2x_zero_fp_sb(bp, fw_sb_id);
5272
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005273 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005274 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005275 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005276 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5277 sb_data_e2.common.p_func.vf_id = vfid;
5278 sb_data_e2.common.p_func.vf_valid = vf_valid;
5279 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5280 sb_data_e2.common.same_igu_sb_1b = true;
5281 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5282 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5283 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005284 sb_data_p = (u32 *)&sb_data_e2;
5285 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005286 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005287 } else {
5288 memset(&sb_data_e1x, 0,
5289 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005290 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005291 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5292 sb_data_e1x.common.p_func.vf_id = 0xff;
5293 sb_data_e1x.common.p_func.vf_valid = false;
5294 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5295 sb_data_e1x.common.same_igu_sb_1b = true;
5296 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5297 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5298 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005299 sb_data_p = (u32 *)&sb_data_e1x;
5300 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005301 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005302 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005303
5304 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5305 igu_sb_id, igu_seg_id);
5306 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5307 igu_sb_id, igu_seg_id);
5308
Merav Sicron51c1a582012-03-18 10:33:38 +00005309 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005310
5311 /* write indecies to HW */
5312 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5313}
5314
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005315static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005316 u16 tx_usec, u16 rx_usec)
5317{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005318 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005319 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005320 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5321 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5322 tx_usec);
5323 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5324 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5325 tx_usec);
5326 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5327 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5328 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005329}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005330
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005331static void bnx2x_init_def_sb(struct bnx2x *bp)
5332{
5333 struct host_sp_status_block *def_sb = bp->def_status_blk;
5334 dma_addr_t mapping = bp->def_status_blk_mapping;
5335 int igu_sp_sb_index;
5336 int igu_seg_id;
5337 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005338 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005339 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005340 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005341 int index;
5342 struct hc_sp_status_block_data sp_sb_data;
5343 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5344
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005345 if (CHIP_INT_MODE_IS_BC(bp)) {
5346 igu_sp_sb_index = DEF_SB_IGU_ID;
5347 igu_seg_id = HC_SEG_ACCESS_DEF;
5348 } else {
5349 igu_sp_sb_index = bp->igu_dsb_id;
5350 igu_seg_id = IGU_SEG_ACCESS_DEF;
5351 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005352
5353 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005354 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005355 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005356 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005357
Eliezer Tamir49d66772008-02-28 11:53:13 -08005358 bp->attn_state = 0;
5359
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005360 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5361 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005362 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5363 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005364 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005365 int sindex;
5366 /* take care of sig[0]..sig[4] */
5367 for (sindex = 0; sindex < 4; sindex++)
5368 bp->attn_group[index].sig[sindex] =
5369 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005370
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005371 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005372 /*
5373 * enable5 is separate from the rest of the registers,
5374 * and therefore the address skip is 4
5375 * and not 16 between the different groups
5376 */
5377 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005378 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005379 else
5380 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005381 }
5382
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005383 if (bp->common.int_block == INT_BLOCK_HC) {
5384 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5385 HC_REG_ATTN_MSG0_ADDR_L);
5386
5387 REG_WR(bp, reg_offset, U64_LO(section));
5388 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005389 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005390 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5391 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5392 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005393
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005394 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5395 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005396
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005397 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005398
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005399 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005400 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5401 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5402 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5403 sp_sb_data.igu_seg_id = igu_seg_id;
5404 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005405 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005406 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005408 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005409
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005410 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005411}
5412
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005413void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005414{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415 int i;
5416
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005417 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005418 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005419 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420}
5421
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005422static void bnx2x_init_sp_ring(struct bnx2x *bp)
5423{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005425 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005427 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5429 bp->spq_prod_bd = bp->spq;
5430 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005431}
5432
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005433static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434{
5435 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005436 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5437 union event_ring_elem *elem =
5438 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005439
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005440 elem->next_page.addr.hi =
5441 cpu_to_le32(U64_HI(bp->eq_mapping +
5442 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5443 elem->next_page.addr.lo =
5444 cpu_to_le32(U64_LO(bp->eq_mapping +
5445 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005446 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005447 bp->eq_cons = 0;
5448 bp->eq_prod = NUM_EQ_DESC;
5449 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005450 /* we want a warning message before it gets rought... */
5451 atomic_set(&bp->eq_spq_left,
5452 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005453}
5454
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005455
5456/* called with netif_addr_lock_bh() */
5457void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5458 unsigned long rx_mode_flags,
5459 unsigned long rx_accept_flags,
5460 unsigned long tx_accept_flags,
5461 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005462{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005463 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5464 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005465
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005466 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005467
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005468 /* Prepare ramrod parameters */
5469 ramrod_param.cid = 0;
5470 ramrod_param.cl_id = cl_id;
5471 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5472 ramrod_param.func_id = BP_FUNC(bp);
5473
5474 ramrod_param.pstate = &bp->sp_state;
5475 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5476
5477 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5478 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5479
5480 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5481
5482 ramrod_param.ramrod_flags = ramrod_flags;
5483 ramrod_param.rx_mode_flags = rx_mode_flags;
5484
5485 ramrod_param.rx_accept_flags = rx_accept_flags;
5486 ramrod_param.tx_accept_flags = tx_accept_flags;
5487
5488 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5489 if (rc < 0) {
5490 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5491 return;
5492 }
5493}
5494
5495/* called with netif_addr_lock_bh() */
5496void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5497{
5498 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5499 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5500
5501#ifdef BCM_CNIC
5502 if (!NO_FCOE(bp))
5503
5504 /* Configure rx_mode of FCoE Queue */
5505 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5506#endif
5507
5508 switch (bp->rx_mode) {
5509 case BNX2X_RX_MODE_NONE:
5510 /*
5511 * 'drop all' supersedes any accept flags that may have been
5512 * passed to the function.
5513 */
5514 break;
5515 case BNX2X_RX_MODE_NORMAL:
5516 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5517 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5518 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5519
5520 /* internal switching mode */
5521 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5522 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5523 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5524
5525 break;
5526 case BNX2X_RX_MODE_ALLMULTI:
5527 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5528 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5529 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5530
5531 /* internal switching mode */
5532 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5533 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5534 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5535
5536 break;
5537 case BNX2X_RX_MODE_PROMISC:
5538 /* According to deffinition of SI mode, iface in promisc mode
5539 * should receive matched and unmatched (in resolution of port)
5540 * unicast packets.
5541 */
5542 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5543 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5544 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5545 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5546
5547 /* internal switching mode */
5548 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5549 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5550
5551 if (IS_MF_SI(bp))
5552 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5553 else
5554 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5555
5556 break;
5557 default:
5558 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5559 return;
5560 }
5561
5562 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5563 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5564 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5565 }
5566
5567 __set_bit(RAMROD_RX, &ramrod_flags);
5568 __set_bit(RAMROD_TX, &ramrod_flags);
5569
5570 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5571 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005572}
5573
Eilon Greenstein471de712008-08-13 15:49:35 -07005574static void bnx2x_init_internal_common(struct bnx2x *bp)
5575{
5576 int i;
5577
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005578 if (IS_MF_SI(bp))
5579 /*
5580 * In switch independent mode, the TSTORM needs to accept
5581 * packets that failed classification, since approximate match
5582 * mac addresses aren't written to NIG LLH
5583 */
5584 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5585 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005586 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5587 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5588 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005589
Eilon Greenstein471de712008-08-13 15:49:35 -07005590 /* Zero this manually as its initialization is
5591 currently missing in the initTool */
5592 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5593 REG_WR(bp, BAR_USTRORM_INTMEM +
5594 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005595 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005596 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5597 CHIP_INT_MODE_IS_BC(bp) ?
5598 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5599 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005600}
5601
Eilon Greenstein471de712008-08-13 15:49:35 -07005602static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5603{
5604 switch (load_code) {
5605 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005606 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005607 bnx2x_init_internal_common(bp);
5608 /* no break */
5609
5610 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005611 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005612 /* no break */
5613
5614 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005615 /* internal memory per function is
5616 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005617 break;
5618
5619 default:
5620 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5621 break;
5622 }
5623}
5624
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005625static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5626{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005627 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005628}
5629
5630static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5631{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005632 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005633}
5634
Eric Dumazet1191cb82012-04-27 21:39:21 +00005635static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005636{
5637 if (CHIP_IS_E1x(fp->bp))
5638 return BP_L_ID(fp->bp) + fp->index;
5639 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5640 return bnx2x_fp_igu_sb_id(fp);
5641}
5642
Ariel Elior6383c0b2011-07-14 08:31:57 +00005643static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005644{
5645 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005646 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005647 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005648 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005649 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005650 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005651 fp->cl_id = bnx2x_fp_cl_id(fp);
5652 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5653 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005654 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005655 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005657 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005658 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005660 /* Setup SB indicies */
5661 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005663 /* Configure Queue State object */
5664 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5665 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005666
5667 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5668
5669 /* init tx data */
5670 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005671 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5672 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5673 FP_COS_TO_TXQ(fp, cos, bp),
5674 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5675 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005676 }
5677
Barak Witkowski15192a82012-06-19 07:48:28 +00005678 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5679 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005680 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005681
5682 /**
5683 * Configure classification DBs: Always enable Tx switching
5684 */
5685 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5686
Merav Sicron51c1a582012-03-18 10:33:38 +00005687 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 +03005688 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005689 fp->igu_sb_id);
5690 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5691 fp->fw_sb_id, fp->igu_sb_id);
5692
5693 bnx2x_update_fpsb_idx(fp);
5694}
5695
Eric Dumazet1191cb82012-04-27 21:39:21 +00005696static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5697{
5698 int i;
5699
5700 for (i = 1; i <= NUM_TX_RINGS; i++) {
5701 struct eth_tx_next_bd *tx_next_bd =
5702 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5703
5704 tx_next_bd->addr_hi =
5705 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5706 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5707 tx_next_bd->addr_lo =
5708 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5709 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5710 }
5711
5712 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5713 txdata->tx_db.data.zero_fill1 = 0;
5714 txdata->tx_db.data.prod = 0;
5715
5716 txdata->tx_pkt_prod = 0;
5717 txdata->tx_pkt_cons = 0;
5718 txdata->tx_bd_prod = 0;
5719 txdata->tx_bd_cons = 0;
5720 txdata->tx_pkt = 0;
5721}
5722
5723static void bnx2x_init_tx_rings(struct bnx2x *bp)
5724{
5725 int i;
5726 u8 cos;
5727
5728 for_each_tx_queue(bp, i)
5729 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005730 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005731}
5732
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005733void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005734{
5735 int i;
5736
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005737 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005738 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005739#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005740 if (!NO_FCOE(bp))
5741 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005742
5743 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5744 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005745 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005746
Michael Chan37b091b2009-10-10 13:46:55 +00005747#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005748
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005749 /* Initialize MOD_ABS interrupts */
5750 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5751 bp->common.shmem_base, bp->common.shmem2_base,
5752 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005753 /* ensure status block indices were read */
5754 rmb();
5755
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005756 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005757 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005758 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005759 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005760 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005761 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005762 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005763 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005764 bnx2x_stats_init(bp);
5765
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005766 /* flush all before enabling interrupts */
5767 mb();
5768 mmiowb();
5769
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005770 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005771
5772 /* Check for SPIO5 */
5773 bnx2x_attn_int_deasserted0(bp,
5774 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5775 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005776}
5777
5778/* end of nic init */
5779
5780/*
5781 * gzip service functions
5782 */
5783
5784static int bnx2x_gunzip_init(struct bnx2x *bp)
5785{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005786 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5787 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005788 if (bp->gunzip_buf == NULL)
5789 goto gunzip_nomem1;
5790
5791 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5792 if (bp->strm == NULL)
5793 goto gunzip_nomem2;
5794
David S. Miller7ab24bf2011-06-29 05:48:41 -07005795 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005796 if (bp->strm->workspace == NULL)
5797 goto gunzip_nomem3;
5798
5799 return 0;
5800
5801gunzip_nomem3:
5802 kfree(bp->strm);
5803 bp->strm = NULL;
5804
5805gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005806 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5807 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005808 bp->gunzip_buf = NULL;
5809
5810gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005811 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005812 return -ENOMEM;
5813}
5814
5815static void bnx2x_gunzip_end(struct bnx2x *bp)
5816{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005817 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005818 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005819 kfree(bp->strm);
5820 bp->strm = NULL;
5821 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005822
5823 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005824 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5825 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005826 bp->gunzip_buf = NULL;
5827 }
5828}
5829
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005830static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005831{
5832 int n, rc;
5833
5834 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005835 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5836 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005837 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005838 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005839
5840 n = 10;
5841
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005842#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005843
5844 if (zbuf[3] & FNAME)
5845 while ((zbuf[n++] != 0) && (n < len));
5846
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005847 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005848 bp->strm->avail_in = len - n;
5849 bp->strm->next_out = bp->gunzip_buf;
5850 bp->strm->avail_out = FW_BUF_SIZE;
5851
5852 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5853 if (rc != Z_OK)
5854 return rc;
5855
5856 rc = zlib_inflate(bp->strm, Z_FINISH);
5857 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005858 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5859 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005860
5861 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5862 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005863 netdev_err(bp->dev,
5864 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005865 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005866 bp->gunzip_outlen >>= 2;
5867
5868 zlib_inflateEnd(bp->strm);
5869
5870 if (rc == Z_STREAM_END)
5871 return 0;
5872
5873 return rc;
5874}
5875
5876/* nic load/unload */
5877
5878/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005879 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005880 */
5881
5882/* send a NIG loopback debug packet */
5883static void bnx2x_lb_pckt(struct bnx2x *bp)
5884{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005885 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005886
5887 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005888 wb_write[0] = 0x55555555;
5889 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005890 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005891 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005892
5893 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005894 wb_write[0] = 0x09000000;
5895 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005896 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
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
5900/* some of the internal memories
5901 * are not directly readable from the driver
5902 * to test them we send debug packets
5903 */
5904static int bnx2x_int_mem_test(struct bnx2x *bp)
5905{
5906 int factor;
5907 int count, i;
5908 u32 val = 0;
5909
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005910 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005911 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005912 else if (CHIP_REV_IS_EMUL(bp))
5913 factor = 200;
5914 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005915 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005916
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005917 /* Disable inputs of parser neighbor blocks */
5918 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5919 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5920 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005921 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922
5923 /* Write 0 to parser credits for CFC search request */
5924 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5925
5926 /* send Ethernet packet */
5927 bnx2x_lb_pckt(bp);
5928
5929 /* TODO do i reset NIG statistic? */
5930 /* Wait until NIG register shows 1 packet of size 0x10 */
5931 count = 1000 * factor;
5932 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005933
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5935 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005936 if (val == 0x10)
5937 break;
5938
5939 msleep(10);
5940 count--;
5941 }
5942 if (val != 0x10) {
5943 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5944 return -1;
5945 }
5946
5947 /* Wait until PRS register shows 1 packet */
5948 count = 1000 * factor;
5949 while (count) {
5950 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951 if (val == 1)
5952 break;
5953
5954 msleep(10);
5955 count--;
5956 }
5957 if (val != 0x1) {
5958 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5959 return -2;
5960 }
5961
5962 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005963 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005964 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005965 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005966 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005967 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5968 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005969
5970 DP(NETIF_MSG_HW, "part2\n");
5971
5972 /* Disable inputs of parser neighbor blocks */
5973 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5974 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5975 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005976 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977
5978 /* Write 0 to parser credits for CFC search request */
5979 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5980
5981 /* send 10 Ethernet packets */
5982 for (i = 0; i < 10; i++)
5983 bnx2x_lb_pckt(bp);
5984
5985 /* Wait until NIG register shows 10 + 1
5986 packets of size 11*0x10 = 0xb0 */
5987 count = 1000 * factor;
5988 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005989
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5991 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005992 if (val == 0xb0)
5993 break;
5994
5995 msleep(10);
5996 count--;
5997 }
5998 if (val != 0xb0) {
5999 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6000 return -3;
6001 }
6002
6003 /* Wait until PRS register shows 2 packets */
6004 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6005 if (val != 2)
6006 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6007
6008 /* Write 1 to parser credits for CFC search request */
6009 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6010
6011 /* Wait until PRS register shows 3 packets */
6012 msleep(10 * factor);
6013 /* Wait until NIG register shows 1 packet of size 0x10 */
6014 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6015 if (val != 3)
6016 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6017
6018 /* clear NIG EOP FIFO */
6019 for (i = 0; i < 11; i++)
6020 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6021 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6022 if (val != 1) {
6023 BNX2X_ERR("clear of NIG failed\n");
6024 return -4;
6025 }
6026
6027 /* Reset and init BRB, PRS, NIG */
6028 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6029 msleep(50);
6030 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6031 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006032 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6033 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006034#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006035 /* set NIC mode */
6036 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6037#endif
6038
6039 /* Enable inputs of parser neighbor blocks */
6040 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6041 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6042 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006043 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044
6045 DP(NETIF_MSG_HW, "done\n");
6046
6047 return 0; /* OK */
6048}
6049
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006050static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006051{
6052 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006053 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006054 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6055 else
6056 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006057 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6058 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006059 /*
6060 * mask read length error interrupts in brb for parser
6061 * (parsing unit and 'checksum and crc' unit)
6062 * these errors are legal (PU reads fixed length and CAC can cause
6063 * read length error on truncated packets)
6064 */
6065 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006066 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6067 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6068 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6069 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6070 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006071/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6072/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006073 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6074 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6075 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006076/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6077/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006078 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6079 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6080 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6081 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006082/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6083/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006085 if (CHIP_REV_IS_FPGA(bp))
6086 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006087 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006088 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6089 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6090 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6091 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6092 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6093 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006094 else
6095 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6097 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6098 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006099/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006100
6101 if (!CHIP_IS_E1x(bp))
6102 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6103 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6104
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6106 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006107/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006108 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006109}
6110
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006111static void bnx2x_reset_common(struct bnx2x *bp)
6112{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006113 u32 val = 0x1400;
6114
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006115 /* reset_common */
6116 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6117 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006118
6119 if (CHIP_IS_E3(bp)) {
6120 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6121 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6122 }
6123
6124 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6125}
6126
6127static void bnx2x_setup_dmae(struct bnx2x *bp)
6128{
6129 bp->dmae_ready = 0;
6130 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006131}
6132
Eilon Greenstein573f2032009-08-12 08:24:14 +00006133static void bnx2x_init_pxp(struct bnx2x *bp)
6134{
6135 u16 devctl;
6136 int r_order, w_order;
6137
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006138 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006139 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6140 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6141 if (bp->mrrs == -1)
6142 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6143 else {
6144 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6145 r_order = bp->mrrs;
6146 }
6147
6148 bnx2x_init_pxp_arb(bp, r_order, w_order);
6149}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006150
6151static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6152{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006153 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006154 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006155 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006156
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006157 if (BP_NOMCP(bp))
6158 return;
6159
6160 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006161 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6162 SHARED_HW_CFG_FAN_FAILURE_MASK;
6163
6164 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6165 is_required = 1;
6166
6167 /*
6168 * The fan failure mechanism is usually related to the PHY type since
6169 * the power consumption of the board is affected by the PHY. Currently,
6170 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6171 */
6172 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6173 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006174 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006175 bnx2x_fan_failure_det_req(
6176 bp,
6177 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006178 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006179 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006180 }
6181
6182 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6183
6184 if (is_required == 0)
6185 return;
6186
6187 /* Fan failure is indicated by SPIO 5 */
6188 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6189 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6190
6191 /* set to active low mode */
6192 val = REG_RD(bp, MISC_REG_SPIO_INT);
6193 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006194 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006195 REG_WR(bp, MISC_REG_SPIO_INT, val);
6196
6197 /* enable interrupt to signal the IGU */
6198 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6199 val |= (1 << MISC_REGISTERS_SPIO_5);
6200 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6201}
6202
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006203static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6204{
6205 u32 offset = 0;
6206
6207 if (CHIP_IS_E1(bp))
6208 return;
6209 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6210 return;
6211
6212 switch (BP_ABS_FUNC(bp)) {
6213 case 0:
6214 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6215 break;
6216 case 1:
6217 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6218 break;
6219 case 2:
6220 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6221 break;
6222 case 3:
6223 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6224 break;
6225 case 4:
6226 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6227 break;
6228 case 5:
6229 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6230 break;
6231 case 6:
6232 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6233 break;
6234 case 7:
6235 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6236 break;
6237 default:
6238 return;
6239 }
6240
6241 REG_WR(bp, offset, pretend_func_num);
6242 REG_RD(bp, offset);
6243 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6244}
6245
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006246void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006247{
6248 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6249 val &= ~IGU_PF_CONF_FUNC_EN;
6250
6251 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6252 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6253 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6254}
6255
Eric Dumazet1191cb82012-04-27 21:39:21 +00006256static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006257{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006258 u32 shmem_base[2], shmem2_base[2];
6259 shmem_base[0] = bp->common.shmem_base;
6260 shmem2_base[0] = bp->common.shmem2_base;
6261 if (!CHIP_IS_E1x(bp)) {
6262 shmem_base[1] =
6263 SHMEM2_RD(bp, other_shmem_base_addr);
6264 shmem2_base[1] =
6265 SHMEM2_RD(bp, other_shmem2_base_addr);
6266 }
6267 bnx2x_acquire_phy_lock(bp);
6268 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6269 bp->common.chip_id);
6270 bnx2x_release_phy_lock(bp);
6271}
6272
6273/**
6274 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6275 *
6276 * @bp: driver handle
6277 */
6278static int bnx2x_init_hw_common(struct bnx2x *bp)
6279{
6280 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006281
Merav Sicron51c1a582012-03-18 10:33:38 +00006282 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006283
David S. Miller823dcd22011-08-20 10:39:12 -07006284 /*
6285 * take the UNDI lock to protect undi_unload flow from accessing
6286 * registers while we're resetting the chip
6287 */
David S. Miller8decf862011-09-22 03:23:13 -04006288 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006289
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006290 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006291 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006292
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006293 val = 0xfffc;
6294 if (CHIP_IS_E3(bp)) {
6295 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6296 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6297 }
6298 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006299
David S. Miller8decf862011-09-22 03:23:13 -04006300 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006302 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6303
6304 if (!CHIP_IS_E1x(bp)) {
6305 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006306
6307 /**
6308 * 4-port mode or 2-port mode we need to turn of master-enable
6309 * for everyone, after that, turn it back on for self.
6310 * so, we disregard multi-function or not, and always disable
6311 * for all functions on the given path, this means 0,2,4,6 for
6312 * path 0 and 1,3,5,7 for path 1
6313 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006314 for (abs_func_id = BP_PATH(bp);
6315 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6316 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006317 REG_WR(bp,
6318 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6319 1);
6320 continue;
6321 }
6322
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006323 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006324 /* clear pf enable */
6325 bnx2x_pf_disable(bp);
6326 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6327 }
6328 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006329
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006330 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006331 if (CHIP_IS_E1(bp)) {
6332 /* enable HW interrupt from PXP on USDM overflow
6333 bit 16 on INT_MASK_0 */
6334 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006335 }
6336
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006337 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006339
6340#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006341 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6342 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6343 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6344 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6345 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006346 /* make sure this value is 0 */
6347 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006348
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006349/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6350 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6351 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6352 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6353 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006354#endif
6355
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006356 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006358 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6359 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006360
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006361 /* let the HW do it's magic ... */
6362 msleep(100);
6363 /* finish PXP init */
6364 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6365 if (val != 1) {
6366 BNX2X_ERR("PXP2 CFG failed\n");
6367 return -EBUSY;
6368 }
6369 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6370 if (val != 1) {
6371 BNX2X_ERR("PXP2 RD_INIT failed\n");
6372 return -EBUSY;
6373 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006374
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006375 /* Timers bug workaround E2 only. We need to set the entire ILT to
6376 * have entries with value "0" and valid bit on.
6377 * This needs to be done by the first PF that is loaded in a path
6378 * (i.e. common phase)
6379 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006380 if (!CHIP_IS_E1x(bp)) {
6381/* In E2 there is a bug in the timers block that can cause function 6 / 7
6382 * (i.e. vnic3) to start even if it is marked as "scan-off".
6383 * This occurs when a different function (func2,3) is being marked
6384 * as "scan-off". Real-life scenario for example: if a driver is being
6385 * load-unloaded while func6,7 are down. This will cause the timer to access
6386 * the ilt, translate to a logical address and send a request to read/write.
6387 * Since the ilt for the function that is down is not valid, this will cause
6388 * a translation error which is unrecoverable.
6389 * The Workaround is intended to make sure that when this happens nothing fatal
6390 * will occur. The workaround:
6391 * 1. First PF driver which loads on a path will:
6392 * a. After taking the chip out of reset, by using pretend,
6393 * it will write "0" to the following registers of
6394 * the other vnics.
6395 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6396 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6397 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6398 * And for itself it will write '1' to
6399 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6400 * dmae-operations (writing to pram for example.)
6401 * note: can be done for only function 6,7 but cleaner this
6402 * way.
6403 * b. Write zero+valid to the entire ILT.
6404 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6405 * VNIC3 (of that port). The range allocated will be the
6406 * entire ILT. This is needed to prevent ILT range error.
6407 * 2. Any PF driver load flow:
6408 * a. ILT update with the physical addresses of the allocated
6409 * logical pages.
6410 * b. Wait 20msec. - note that this timeout is needed to make
6411 * sure there are no requests in one of the PXP internal
6412 * queues with "old" ILT addresses.
6413 * c. PF enable in the PGLC.
6414 * d. Clear the was_error of the PF in the PGLC. (could have
6415 * occured while driver was down)
6416 * e. PF enable in the CFC (WEAK + STRONG)
6417 * f. Timers scan enable
6418 * 3. PF driver unload flow:
6419 * a. Clear the Timers scan_en.
6420 * b. Polling for scan_on=0 for that PF.
6421 * c. Clear the PF enable bit in the PXP.
6422 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6423 * e. Write zero+valid to all ILT entries (The valid bit must
6424 * stay set)
6425 * f. If this is VNIC 3 of a port then also init
6426 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6427 * to the last enrty in the ILT.
6428 *
6429 * Notes:
6430 * Currently the PF error in the PGLC is non recoverable.
6431 * In the future the there will be a recovery routine for this error.
6432 * Currently attention is masked.
6433 * Having an MCP lock on the load/unload process does not guarantee that
6434 * there is no Timer disable during Func6/7 enable. This is because the
6435 * Timers scan is currently being cleared by the MCP on FLR.
6436 * Step 2.d can be done only for PF6/7 and the driver can also check if
6437 * there is error before clearing it. But the flow above is simpler and
6438 * more general.
6439 * All ILT entries are written by zero+valid and not just PF6/7
6440 * ILT entries since in the future the ILT entries allocation for
6441 * PF-s might be dynamic.
6442 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006443 struct ilt_client_info ilt_cli;
6444 struct bnx2x_ilt ilt;
6445 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6446 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6447
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006448 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006449 ilt_cli.start = 0;
6450 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6451 ilt_cli.client_num = ILT_CLIENT_TM;
6452
6453 /* Step 1: set zeroes to all ilt page entries with valid bit on
6454 * Step 2: set the timers first/last ilt entry to point
6455 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006456 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006457 *
6458 * both steps performed by call to bnx2x_ilt_client_init_op()
6459 * with dummy TM client
6460 *
6461 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6462 * and his brother are split registers
6463 */
6464 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6465 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6466 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6467
6468 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6469 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6470 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6471 }
6472
6473
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006474 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6475 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006476
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006477 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006478 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6479 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006480 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006481
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006482 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006483
6484 /* let the HW do it's magic ... */
6485 do {
6486 msleep(200);
6487 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6488 } while (factor-- && (val != 1));
6489
6490 if (val != 1) {
6491 BNX2X_ERR("ATC_INIT failed\n");
6492 return -EBUSY;
6493 }
6494 }
6495
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006496 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006497
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006498 /* clean the DMAE memory */
6499 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006500 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006501
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006502 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6503
6504 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6505
6506 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6507
6508 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006509
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006510 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6511 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6512 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6513 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6514
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006515 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006516
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006517
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006518 /* QM queues pointers table */
6519 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006521 /* soft reset pulse */
6522 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6523 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006524
Michael Chan37b091b2009-10-10 13:46:55 +00006525#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006526 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006527#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006528
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006529 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006530 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006531 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006532 /* enable hw interrupt from doorbell Q */
6533 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006534
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006535 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006536
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006537 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006538 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006539
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006540 if (!CHIP_IS_E1(bp))
6541 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6542
Barak Witkowskia3348722012-04-23 03:04:46 +00006543 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6544 if (IS_MF_AFEX(bp)) {
6545 /* configure that VNTag and VLAN headers must be
6546 * received in afex mode
6547 */
6548 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6549 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6550 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6551 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6552 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6553 } else {
6554 /* Bit-map indicating which L2 hdrs may appear
6555 * after the basic Ethernet header
6556 */
6557 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6558 bp->path_has_ovlan ? 7 : 6);
6559 }
6560 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006561
6562 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6563 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6564 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6565 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6566
6567 if (!CHIP_IS_E1x(bp)) {
6568 /* reset VFC memories */
6569 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6570 VFC_MEMORIES_RST_REG_CAM_RST |
6571 VFC_MEMORIES_RST_REG_RAM_RST);
6572 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6573 VFC_MEMORIES_RST_REG_CAM_RST |
6574 VFC_MEMORIES_RST_REG_RAM_RST);
6575
6576 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006577 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006578
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006579 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6580 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6581 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6582 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006583
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006584 /* sync semi rtc */
6585 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6586 0x80000000);
6587 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6588 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006589
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006590 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6591 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6592 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006593
Barak Witkowskia3348722012-04-23 03:04:46 +00006594 if (!CHIP_IS_E1x(bp)) {
6595 if (IS_MF_AFEX(bp)) {
6596 /* configure that VNTag and VLAN headers must be
6597 * sent in afex mode
6598 */
6599 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6600 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6601 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6602 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6603 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6604 } else {
6605 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6606 bp->path_has_ovlan ? 7 : 6);
6607 }
6608 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006609
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006610 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006611
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006612 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6613
Michael Chan37b091b2009-10-10 13:46:55 +00006614#ifdef BCM_CNIC
6615 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6616 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6617 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6618 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6619 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6620 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6621 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6622 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6623 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6624 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6625#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006626 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006627
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628 if (sizeof(union cdu_context) != 1024)
6629 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006630 dev_alert(&bp->pdev->dev,
6631 "please adjust the size of cdu_context(%ld)\n",
6632 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006633
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006634 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006635 val = (4 << 24) + (0 << 12) + 1024;
6636 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006637
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006638 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006639 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006640 /* enable context validation interrupt from CFC */
6641 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6642
6643 /* set the thresholds to prevent CFC/CDU race */
6644 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006645
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006646 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006647
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006648 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006649 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6650
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006651 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6652 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006653
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006654 /* Reset PCIE errors for debug */
6655 REG_WR(bp, 0x2814, 0xffffffff);
6656 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006657
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006658 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006659 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6660 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6661 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6662 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6663 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6664 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6665 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6666 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6667 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6668 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6669 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6670 }
6671
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006672 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006673 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006674 /* in E3 this done in per-port section */
6675 if (!CHIP_IS_E3(bp))
6676 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6677 }
6678 if (CHIP_IS_E1H(bp))
6679 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006680 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006682 if (CHIP_REV_IS_SLOW(bp))
6683 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006684
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006685 /* finish CFC init */
6686 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6687 if (val != 1) {
6688 BNX2X_ERR("CFC LL_INIT failed\n");
6689 return -EBUSY;
6690 }
6691 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6692 if (val != 1) {
6693 BNX2X_ERR("CFC AC_INIT failed\n");
6694 return -EBUSY;
6695 }
6696 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6697 if (val != 1) {
6698 BNX2X_ERR("CFC CAM_INIT failed\n");
6699 return -EBUSY;
6700 }
6701 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006702
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006703 if (CHIP_IS_E1(bp)) {
6704 /* read NIG statistic
6705 to see if this is our first up since powerup */
6706 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6707 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006708
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006709 /* do internal memory self test */
6710 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6711 BNX2X_ERR("internal mem self test failed\n");
6712 return -EBUSY;
6713 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006714 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006715
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006716 bnx2x_setup_fan_failure_detection(bp);
6717
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006718 /* clear PXP2 attentions */
6719 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006720
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006721 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006722 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006723
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006724 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006725 if (CHIP_IS_E1x(bp))
6726 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006727 } else
6728 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006730 return 0;
6731}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006732
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006733/**
6734 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6735 *
6736 * @bp: driver handle
6737 */
6738static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6739{
6740 int rc = bnx2x_init_hw_common(bp);
6741
6742 if (rc)
6743 return rc;
6744
6745 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6746 if (!BP_NOMCP(bp))
6747 bnx2x__common_init_phy(bp);
6748
6749 return 0;
6750}
6751
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006752static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006753{
6754 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006755 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006756 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006757 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006758
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006759
Merav Sicron51c1a582012-03-18 10:33:38 +00006760 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006761
6762 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006763
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006764 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6765 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6766 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006767
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006768 /* Timers bug workaround: disables the pf_master bit in pglue at
6769 * common phase, we need to enable it here before any dmae access are
6770 * attempted. Therefore we manually added the enable-master to the
6771 * port phase (it also happens in the function phase)
6772 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006773 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006774 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6775
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006776 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6777 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6778 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6779 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6780
6781 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6782 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6783 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6784 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006785
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006786 /* QM cid (connection) count */
6787 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006788
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006789#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006790 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006791 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6792 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006793#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006795 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006796
Dmitry Kravkov2b674042012-10-28 21:59:04 +00006797 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6798
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006799 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006800
6801 if (IS_MF(bp))
6802 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6803 else if (bp->dev->mtu > 4096) {
6804 if (bp->flags & ONE_PORT_FLAG)
6805 low = 160;
6806 else {
6807 val = bp->dev->mtu;
6808 /* (24*1024 + val*4)/256 */
6809 low = 96 + (val/64) +
6810 ((val % 64) ? 1 : 0);
6811 }
6812 } else
6813 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6814 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006815 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6816 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6817 }
6818
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006819 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006820 REG_WR(bp, (BP_PORT(bp) ?
6821 BRB1_REG_MAC_GUARANTIED_1 :
6822 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006823
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006824
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006825 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006826 if (CHIP_IS_E3B0(bp)) {
6827 if (IS_MF_AFEX(bp)) {
6828 /* configure headers for AFEX mode */
6829 REG_WR(bp, BP_PORT(bp) ?
6830 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6831 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6832 REG_WR(bp, BP_PORT(bp) ?
6833 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6834 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6835 REG_WR(bp, BP_PORT(bp) ?
6836 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6837 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6838 } else {
6839 /* Ovlan exists only if we are in multi-function +
6840 * switch-dependent mode, in switch-independent there
6841 * is no ovlan headers
6842 */
6843 REG_WR(bp, BP_PORT(bp) ?
6844 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6845 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6846 (bp->path_has_ovlan ? 7 : 6));
6847 }
6848 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006849
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006850 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6851 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6852 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6853 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6854
6855 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6856 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6857 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6858 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6859
6860 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6861 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6862
6863 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6864
6865 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006866 /* configure PBF to work without PAUSE mtu 9000 */
6867 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006868
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006869 /* update threshold */
6870 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6871 /* update init credit */
6872 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006873
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006874 /* probe changes */
6875 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6876 udelay(50);
6877 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6878 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006879
Michael Chan37b091b2009-10-10 13:46:55 +00006880#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006881 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006882#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006883 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6884 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885
6886 if (CHIP_IS_E1(bp)) {
6887 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6888 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6889 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006890 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006891
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006892 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006893
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006894 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006895 /* init aeu_mask_attn_func_0/1:
6896 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6897 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6898 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006899 val = IS_MF(bp) ? 0xF7 : 0x7;
6900 /* Enable DCBX attention for all but E1 */
6901 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6902 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006903
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006904 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006905
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006906 if (!CHIP_IS_E1x(bp)) {
6907 /* Bit-map indicating which L2 hdrs may appear after the
6908 * basic Ethernet header
6909 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006910 if (IS_MF_AFEX(bp))
6911 REG_WR(bp, BP_PORT(bp) ?
6912 NIG_REG_P1_HDRS_AFTER_BASIC :
6913 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6914 else
6915 REG_WR(bp, BP_PORT(bp) ?
6916 NIG_REG_P1_HDRS_AFTER_BASIC :
6917 NIG_REG_P0_HDRS_AFTER_BASIC,
6918 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006919
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006920 if (CHIP_IS_E3(bp))
6921 REG_WR(bp, BP_PORT(bp) ?
6922 NIG_REG_LLH1_MF_MODE :
6923 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6924 }
6925 if (!CHIP_IS_E3(bp))
6926 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006927
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006928 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006929 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006930 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006931 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006932
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006933 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006934 val = 0;
6935 switch (bp->mf_mode) {
6936 case MULTI_FUNCTION_SD:
6937 val = 1;
6938 break;
6939 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006940 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006941 val = 2;
6942 break;
6943 }
6944
6945 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6946 NIG_REG_LLH0_CLS_TYPE), val);
6947 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006948 {
6949 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6950 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6951 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6952 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006953 }
6954
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006955
6956 /* If SPIO5 is set to generate interrupts, enable it for this port */
6957 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6958 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006959 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6960 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6961 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006962 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006963 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006964 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006965
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006966 return 0;
6967}
6968
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006969static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6970{
6971 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006972 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006973
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006974 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006975 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006976 else
6977 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006978
Yuval Mintz32d68de2012-04-03 18:41:24 +00006979 wb_write[0] = ONCHIP_ADDR1(addr);
6980 wb_write[1] = ONCHIP_ADDR2(addr);
6981 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006982}
6983
Eric Dumazet1191cb82012-04-27 21:39:21 +00006984static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6985 u8 idu_sb_id, bool is_Pf)
6986{
6987 u32 data, ctl, cnt = 100;
6988 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
6989 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
6990 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
6991 u32 sb_bit = 1 << (idu_sb_id%32);
6992 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
6993 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
6994
6995 /* Not supported in BC mode */
6996 if (CHIP_INT_MODE_IS_BC(bp))
6997 return;
6998
6999 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7000 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7001 IGU_REGULAR_CLEANUP_SET |
7002 IGU_REGULAR_BCLEANUP;
7003
7004 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7005 func_encode << IGU_CTRL_REG_FID_SHIFT |
7006 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7007
7008 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7009 data, igu_addr_data);
7010 REG_WR(bp, igu_addr_data, data);
7011 mmiowb();
7012 barrier();
7013 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7014 ctl, igu_addr_ctl);
7015 REG_WR(bp, igu_addr_ctl, ctl);
7016 mmiowb();
7017 barrier();
7018
7019 /* wait for clean up to finish */
7020 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7021 msleep(20);
7022
7023
7024 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7025 DP(NETIF_MSG_HW,
7026 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7027 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7028 }
7029}
7030
7031static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007032{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007033 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007034}
7035
Eric Dumazet1191cb82012-04-27 21:39:21 +00007036static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007037{
7038 u32 i, base = FUNC_ILT_BASE(func);
7039 for (i = base; i < base + ILT_PER_FUNC; i++)
7040 bnx2x_ilt_wr(bp, i, 0);
7041}
7042
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007043static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007044{
7045 int port = BP_PORT(bp);
7046 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007047 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007048 struct bnx2x_ilt *ilt = BP_ILT(bp);
7049 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007050 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007051 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007052 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007053
Merav Sicron51c1a582012-03-18 10:33:38 +00007054 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007055
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007056 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007057 if (!CHIP_IS_E1x(bp)) {
7058 rc = bnx2x_pf_flr_clnup(bp);
7059 if (rc)
7060 return rc;
7061 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007062
Eilon Greenstein8badd272009-02-12 08:36:15 +00007063 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007064 if (bp->common.int_block == INT_BLOCK_HC) {
7065 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7066 val = REG_RD(bp, addr);
7067 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7068 REG_WR(bp, addr, val);
7069 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007070
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007071 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7072 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7073
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007074 ilt = BP_ILT(bp);
7075 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007076
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007077 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007078 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007079 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007080 bp->context[i].cxt_mapping;
7081 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007082 }
7083 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007084
Michael Chan37b091b2009-10-10 13:46:55 +00007085#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007086 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00007087
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007088 /* T1 hash bits value determines the T1 number of entries */
7089 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00007090#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007092#ifndef BCM_CNIC
7093 /* set NIC mode */
7094 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7095#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007096
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007097 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007098 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7099
7100 /* Turn on a single ISR mode in IGU if driver is going to use
7101 * INT#x or MSI
7102 */
7103 if (!(bp->flags & USING_MSIX_FLAG))
7104 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7105 /*
7106 * Timers workaround bug: function init part.
7107 * Need to wait 20msec after initializing ILT,
7108 * needed to make sure there are no requests in
7109 * one of the PXP internal queues with "old" ILT addresses
7110 */
7111 msleep(20);
7112 /*
7113 * Master enable - Due to WB DMAE writes performed before this
7114 * register is re-initialized as part of the regular function
7115 * init
7116 */
7117 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7118 /* Enable the function in IGU */
7119 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7120 }
7121
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007122 bp->dmae_ready = 1;
7123
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007124 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007125
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007126 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007127 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7128
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007129 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7130 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7131 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7132 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7133 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7134 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7135 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7136 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7137 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7138 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7139 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7140 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7141 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007142
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007143 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007144 REG_WR(bp, QM_REG_PF_EN, 1);
7145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007146 if (!CHIP_IS_E1x(bp)) {
7147 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7148 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7149 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7150 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7151 }
7152 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007153
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007154 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7155 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7156 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7157 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7158 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7159 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7160 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7161 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7162 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7163 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7164 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7165 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007166 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7167
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007168 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007169
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007170 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007171
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007172 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007173 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7174
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007175 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007176 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007177 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007178 }
7179
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007180 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007181
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007182 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007183 if (bp->common.int_block == INT_BLOCK_HC) {
7184 if (CHIP_IS_E1H(bp)) {
7185 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7186
7187 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7188 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7189 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007190 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007191
7192 } else {
7193 int num_segs, sb_idx, prod_offset;
7194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007195 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7196
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007197 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007198 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7199 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7200 }
7201
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007202 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007203
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007204 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007205 int dsb_idx = 0;
7206 /**
7207 * Producer memory:
7208 * E2 mode: address 0-135 match to the mapping memory;
7209 * 136 - PF0 default prod; 137 - PF1 default prod;
7210 * 138 - PF2 default prod; 139 - PF3 default prod;
7211 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7212 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7213 * 144-147 reserved.
7214 *
7215 * E1.5 mode - In backward compatible mode;
7216 * for non default SB; each even line in the memory
7217 * holds the U producer and each odd line hold
7218 * the C producer. The first 128 producers are for
7219 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7220 * producers are for the DSB for each PF.
7221 * Each PF has five segments: (the order inside each
7222 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7223 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7224 * 144-147 attn prods;
7225 */
7226 /* non-default-status-blocks */
7227 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7228 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7229 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7230 prod_offset = (bp->igu_base_sb + sb_idx) *
7231 num_segs;
7232
7233 for (i = 0; i < num_segs; i++) {
7234 addr = IGU_REG_PROD_CONS_MEMORY +
7235 (prod_offset + i) * 4;
7236 REG_WR(bp, addr, 0);
7237 }
7238 /* send consumer update with value 0 */
7239 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7240 USTORM_ID, 0, IGU_INT_NOP, 1);
7241 bnx2x_igu_clear_sb(bp,
7242 bp->igu_base_sb + sb_idx);
7243 }
7244
7245 /* default-status-blocks */
7246 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7247 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7248
7249 if (CHIP_MODE_IS_4_PORT(bp))
7250 dsb_idx = BP_FUNC(bp);
7251 else
David S. Miller8decf862011-09-22 03:23:13 -04007252 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007253
7254 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7255 IGU_BC_BASE_DSB_PROD + dsb_idx :
7256 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7257
David S. Miller8decf862011-09-22 03:23:13 -04007258 /*
7259 * igu prods come in chunks of E1HVN_MAX (4) -
7260 * does not matters what is the current chip mode
7261 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007262 for (i = 0; i < (num_segs * E1HVN_MAX);
7263 i += E1HVN_MAX) {
7264 addr = IGU_REG_PROD_CONS_MEMORY +
7265 (prod_offset + i)*4;
7266 REG_WR(bp, addr, 0);
7267 }
7268 /* send consumer update with 0 */
7269 if (CHIP_INT_MODE_IS_BC(bp)) {
7270 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7271 USTORM_ID, 0, IGU_INT_NOP, 1);
7272 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7273 CSTORM_ID, 0, IGU_INT_NOP, 1);
7274 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7275 XSTORM_ID, 0, IGU_INT_NOP, 1);
7276 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7277 TSTORM_ID, 0, IGU_INT_NOP, 1);
7278 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7279 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7280 } else {
7281 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7282 USTORM_ID, 0, IGU_INT_NOP, 1);
7283 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7284 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7285 }
7286 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7287
7288 /* !!! these should become driver const once
7289 rf-tool supports split-68 const */
7290 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7291 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7292 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7293 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7294 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7295 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7296 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007297 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007298
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007299 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007300 REG_WR(bp, 0x2114, 0xffffffff);
7301 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007302
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007303 if (CHIP_IS_E1x(bp)) {
7304 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7305 main_mem_base = HC_REG_MAIN_MEMORY +
7306 BP_PORT(bp) * (main_mem_size * 4);
7307 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7308 main_mem_width = 8;
7309
7310 val = REG_RD(bp, main_mem_prty_clr);
7311 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007312 DP(NETIF_MSG_HW,
7313 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7314 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007315
7316 /* Clear "false" parity errors in MSI-X table */
7317 for (i = main_mem_base;
7318 i < main_mem_base + main_mem_size * 4;
7319 i += main_mem_width) {
7320 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7321 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7322 i, main_mem_width / 4);
7323 }
7324 /* Clear HC parity attention */
7325 REG_RD(bp, main_mem_prty_clr);
7326 }
7327
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007328#ifdef BNX2X_STOP_ON_ERROR
7329 /* Enable STORMs SP logging */
7330 REG_WR8(bp, BAR_USTRORM_INTMEM +
7331 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7332 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7333 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7334 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7335 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7336 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7337 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7338#endif
7339
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007340 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007341
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007342 return 0;
7343}
7344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007345
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007346void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007347{
Merav Sicrona0529972012-06-19 07:48:25 +00007348 int i;
7349
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007350 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007351 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007352 /* end of fastpath */
7353
7354 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007355 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007356
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007357 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7358 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7359
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007360 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007361 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362
Merav Sicrona0529972012-06-19 07:48:25 +00007363 for (i = 0; i < L2_ILT_LINES(bp); i++)
7364 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7365 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007366 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7367
7368 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007369
Michael Chan37b091b2009-10-10 13:46:55 +00007370#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007371 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007372 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7373 sizeof(struct host_hc_status_block_e2));
7374 else
7375 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7376 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007377
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007378 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007379#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007380
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007381 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007382
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007383 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7384 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007385}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007386
Eric Dumazet1191cb82012-04-27 21:39:21 +00007387static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007388{
7389 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007390 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007391
Barak Witkowski50f0a562011-12-05 21:52:23 +00007392 /* number of queues for statistics is number of eth queues + FCoE */
7393 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007394
7395 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007396 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7397 * num of queues
7398 */
7399 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007400
7401
7402 /* Request is built from stats_query_header and an array of
7403 * stats_query_cmd_group each of which contains
7404 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7405 * configured in the stats_query_header.
7406 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007407 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7408 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007409
7410 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7411 num_groups * sizeof(struct stats_query_cmd_group);
7412
7413 /* Data for statistics requests + stats_conter
7414 *
7415 * stats_counter holds per-STORM counters that are incremented
7416 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007417 *
7418 * memory for FCoE offloaded statistics are counted anyway,
7419 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007420 */
7421 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7422 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007423 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007424 sizeof(struct per_queue_stats) * num_queue_stats +
7425 sizeof(struct stats_counter);
7426
7427 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7428 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7429
7430 /* Set shortcuts */
7431 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7432 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7433
7434 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7435 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7436
7437 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7438 bp->fw_stats_req_sz;
7439 return 0;
7440
7441alloc_mem_err:
7442 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7443 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007444 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007445 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007446}
7447
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007448
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007449int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007450{
Merav Sicrona0529972012-06-19 07:48:25 +00007451 int i, allocated, context_size;
7452
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007453#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007454 if (!CHIP_IS_E1x(bp))
7455 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007456 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7457 sizeof(struct host_hc_status_block_e2));
7458 else
7459 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7460 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007461
7462 /* allocate searcher T2 table */
7463 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7464#endif
7465
7466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007467 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007468 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007469
7470 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7471 sizeof(struct bnx2x_slowpath));
7472
Mintz Yuval82fa8482012-02-15 02:10:29 +00007473#ifdef BCM_CNIC
7474 /* write address to which L5 should insert its values */
7475 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7476#endif
7477
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007478 /* Allocated memory for FW statistics */
7479 if (bnx2x_alloc_fw_stats_mem(bp))
7480 goto alloc_mem_err;
7481
Merav Sicrona0529972012-06-19 07:48:25 +00007482 /* Allocate memory for CDU context:
7483 * This memory is allocated separately and not in the generic ILT
7484 * functions because CDU differs in few aspects:
7485 * 1. There are multiple entities allocating memory for context -
7486 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7487 * its own ILT lines.
7488 * 2. Since CDU page-size is not a single 4KB page (which is the case
7489 * for the other ILT clients), to be efficient we want to support
7490 * allocation of sub-page-size in the last entry.
7491 * 3. Context pointers are used by the driver to pass to FW / update
7492 * the context (for the other ILT clients the pointers are used just to
7493 * free the memory during unload).
7494 */
7495 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007496
Merav Sicrona0529972012-06-19 07:48:25 +00007497 for (i = 0, allocated = 0; allocated < context_size; i++) {
7498 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7499 (context_size - allocated));
7500 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7501 &bp->context[i].cxt_mapping,
7502 bp->context[i].size);
7503 allocated += bp->context[i].size;
7504 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007505 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007506
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007507 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7508 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007509
7510 /* Slow path ring */
7511 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7512
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007513 /* EQ */
7514 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7515 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007516
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007517
7518 /* fastpath */
7519 /* need to be done at the end, since it's self adjusting to amount
7520 * of memory available for RSS queues
7521 */
7522 if (bnx2x_alloc_fp_mem(bp))
7523 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007524 return 0;
7525
7526alloc_mem_err:
7527 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007528 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007529 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007530}
7531
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007532/*
7533 * Init service functions
7534 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007535
7536int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7537 struct bnx2x_vlan_mac_obj *obj, bool set,
7538 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007539{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007540 int rc;
7541 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007542
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007543 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007544
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007545 /* Fill general parameters */
7546 ramrod_param.vlan_mac_obj = obj;
7547 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007548
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007549 /* Fill a user request section if needed */
7550 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7551 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007552
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007553 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007554
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007555 /* Set the command: ADD or DEL */
7556 if (set)
7557 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7558 else
7559 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007560 }
7561
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007562 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007563
7564 if (rc == -EEXIST) {
7565 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
7566 /* do not treat adding same MAC as error */
7567 rc = 0;
7568 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007569 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007570
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007571 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{
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009387 int i;
Yuval Mintz452427b2012-03-26 20:47:07 +00009388 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
Yuval Mintz452427b2012-03-26 20:47:07 +00009404 /* Wait for Transaction Pending bit clean */
9405 for (i = 0; i < 4; i++) {
9406 if (i)
9407 msleep((1 << (i - 1)) * 100);
9408
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009409 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Yuval Mintz452427b2012-03-26 20:47:07 +00009410 if (!(status & PCI_EXP_DEVSTA_TRPND))
9411 goto clear;
9412 }
9413
9414 dev_err(&dev->dev,
9415 "transaction is not cleared; proceeding with reset anyway\n");
9416
9417clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009418
Yuval Mintz8eee6942012-08-09 04:37:25 +00009419 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009420 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9421
9422 return 0;
9423}
9424
9425static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9426{
9427 int rc;
9428
9429 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9430
9431 /* Test if previous unload process was already finished for this path */
9432 if (bnx2x_prev_is_path_marked(bp))
9433 return bnx2x_prev_mcp_done(bp);
9434
9435 /* If function has FLR capabilities, and existing FW version matches
9436 * the one required, then FLR will be sufficient to clean any residue
9437 * left by previous driver
9438 */
Yuval Mintz8eee6942012-08-09 04:37:25 +00009439 rc = bnx2x_test_firmware_version(bp, false);
9440
9441 if (!rc) {
9442 /* fw version is good */
9443 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9444 rc = bnx2x_do_flr(bp);
9445 }
9446
9447 if (!rc) {
9448 /* FLR was performed */
9449 BNX2X_DEV_INFO("FLR successful\n");
9450 return 0;
9451 }
9452
9453 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009454
9455 /* Close the MCP request, return failure*/
9456 rc = bnx2x_prev_mcp_done(bp);
9457 if (!rc)
9458 rc = BNX2X_PREV_WAIT_NEEDED;
9459
9460 return rc;
9461}
9462
9463static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9464{
9465 u32 reset_reg, tmp_reg = 0, rc;
9466 /* It is possible a previous function received 'common' answer,
9467 * but hasn't loaded yet, therefore creating a scenario of
9468 * multiple functions receiving 'common' on the same path.
9469 */
9470 BNX2X_DEV_INFO("Common unload Flow\n");
9471
9472 if (bnx2x_prev_is_path_marked(bp))
9473 return bnx2x_prev_mcp_done(bp);
9474
9475 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9476
9477 /* Reset should be performed after BRB is emptied */
9478 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9479 u32 timer_count = 1000;
9480 bool prev_undi = false;
9481
9482 /* Close the MAC Rx to prevent BRB from filling up */
9483 bnx2x_prev_unload_close_mac(bp);
9484
9485 /* Check if the UNDI driver was previously loaded
9486 * UNDI driver initializes CID offset for normal bell to 0x7
9487 */
9488 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9489 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9490 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9491 if (tmp_reg == 0x7) {
9492 BNX2X_DEV_INFO("UNDI previously loaded\n");
9493 prev_undi = true;
9494 /* clear the UNDI indication */
9495 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9496 }
9497 }
9498 /* wait until BRB is empty */
9499 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9500 while (timer_count) {
9501 u32 prev_brb = tmp_reg;
9502
9503 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9504 if (!tmp_reg)
9505 break;
9506
9507 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9508
9509 /* reset timer as long as BRB actually gets emptied */
9510 if (prev_brb > tmp_reg)
9511 timer_count = 1000;
9512 else
9513 timer_count--;
9514
9515 /* If UNDI resides in memory, manually increment it */
9516 if (prev_undi)
9517 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9518
9519 udelay(10);
9520 }
9521
9522 if (!timer_count)
9523 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9524
9525 }
9526
9527 /* No packets are in the pipeline, path is ready for reset */
9528 bnx2x_reset_common(bp);
9529
9530 rc = bnx2x_prev_mark_path(bp);
9531 if (rc) {
9532 bnx2x_prev_mcp_done(bp);
9533 return rc;
9534 }
9535
9536 return bnx2x_prev_mcp_done(bp);
9537}
9538
Ariel Elior24f06712012-05-06 07:05:57 +00009539/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9540 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9541 * the addresses of the transaction, resulting in was-error bit set in the pci
9542 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9543 * to clear the interrupt which detected this from the pglueb and the was done
9544 * bit
9545 */
9546static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9547{
9548 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9549 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9550 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9551 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9552 }
9553}
9554
Yuval Mintz452427b2012-03-26 20:47:07 +00009555static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9556{
9557 int time_counter = 10;
9558 u32 rc, fw, hw_lock_reg, hw_lock_val;
9559 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9560
Ariel Elior24f06712012-05-06 07:05:57 +00009561 /* clear hw from errors which may have resulted from an interrupted
9562 * dmae transaction.
9563 */
9564 bnx2x_prev_interrupted_dmae(bp);
9565
9566 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009567 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9568 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9569 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9570
9571 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9572 if (hw_lock_val) {
9573 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9574 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9575 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9576 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9577 }
9578
9579 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9580 REG_WR(bp, hw_lock_reg, 0xffffffff);
9581 } else
9582 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9583
9584 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9585 BNX2X_DEV_INFO("Release previously held alr\n");
9586 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9587 }
9588
9589
9590 do {
9591 /* Lock MCP using an unload request */
9592 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9593 if (!fw) {
9594 BNX2X_ERR("MCP response failure, aborting\n");
9595 rc = -EBUSY;
9596 break;
9597 }
9598
9599 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9600 rc = bnx2x_prev_unload_common(bp);
9601 break;
9602 }
9603
9604 /* non-common reply from MCP night require looping */
9605 rc = bnx2x_prev_unload_uncommon(bp);
9606 if (rc != BNX2X_PREV_WAIT_NEEDED)
9607 break;
9608
9609 msleep(20);
9610 } while (--time_counter);
9611
9612 if (!time_counter || rc) {
9613 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9614 rc = -EBUSY;
9615 }
9616
9617 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9618
9619 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009620}
9621
9622static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9623{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009624 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009625 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009626
9627 /* Get the chip revision id and number. */
9628 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9629 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9630 id = ((val & 0xffff) << 16);
9631 val = REG_RD(bp, MISC_REG_CHIP_REV);
9632 id |= ((val & 0xf) << 12);
9633 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9634 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009635 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009636 id |= (val & 0xf);
9637 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009638
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009639 /* force 57811 according to MISC register */
9640 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9641 if (CHIP_IS_57810(bp))
9642 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9643 (bp->common.chip_id & 0x0000FFFF);
9644 else if (CHIP_IS_57810_MF(bp))
9645 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9646 (bp->common.chip_id & 0x0000FFFF);
9647 bp->common.chip_id |= 0x1;
9648 }
9649
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009650 /* Set doorbell size */
9651 bp->db_size = (1 << BNX2X_DB_SHIFT);
9652
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009653 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009654 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9655 if ((val & 1) == 0)
9656 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9657 else
9658 val = (val >> 1) & 1;
9659 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9660 "2_PORT_MODE");
9661 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9662 CHIP_2_PORT_MODE;
9663
9664 if (CHIP_MODE_IS_4_PORT(bp))
9665 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9666 else
9667 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9668 } else {
9669 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9670 bp->pfid = bp->pf_num; /* 0..7 */
9671 }
9672
Merav Sicron51c1a582012-03-18 10:33:38 +00009673 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9674
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009675 bp->link_params.chip_id = bp->common.chip_id;
9676 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009677
Eilon Greenstein1c063282009-02-12 08:36:43 +00009678 val = (REG_RD(bp, 0x2874) & 0x55);
9679 if ((bp->common.chip_id & 0x1) ||
9680 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9681 bp->flags |= ONE_PORT_FLAG;
9682 BNX2X_DEV_INFO("single port device\n");
9683 }
9684
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009685 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009686 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009687 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9688 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9689 bp->common.flash_size, bp->common.flash_size);
9690
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009691 bnx2x_init_shmem(bp);
9692
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009693
9694
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009695 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9696 MISC_REG_GENERIC_CR_1 :
9697 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009698
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009699 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009700 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009701 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9702 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009703
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009704 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009705 BNX2X_DEV_INFO("MCP not active\n");
9706 bp->flags |= NO_MCP_FLAG;
9707 return;
9708 }
9709
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009710 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009711 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009712
9713 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9714 SHARED_HW_CFG_LED_MODE_MASK) >>
9715 SHARED_HW_CFG_LED_MODE_SHIFT);
9716
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009717 bp->link_params.feature_config_flags = 0;
9718 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9719 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9720 bp->link_params.feature_config_flags |=
9721 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9722 else
9723 bp->link_params.feature_config_flags &=
9724 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9725
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009726 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9727 bp->common.bc_ver = val;
9728 BNX2X_DEV_INFO("bc_ver %X\n", val);
9729 if (val < BNX2X_BC_VER) {
9730 /* for now only warn
9731 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009732 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9733 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009734 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009735 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009736 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009737 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9738
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009739 bp->link_params.feature_config_flags |=
9740 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9741 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009742 bp->link_params.feature_config_flags |=
9743 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9744 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009745 bp->link_params.feature_config_flags |=
9746 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9747 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009748 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9749 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009750
Barak Witkowski2e499d32012-06-26 01:31:19 +00009751 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9752 BC_SUPPORTS_FCOE_FEATURES : 0;
9753
Barak Witkowski98768792012-06-19 07:48:31 +00009754 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9755 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009756 boot_mode = SHMEM_RD(bp,
9757 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9758 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9759 switch (boot_mode) {
9760 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9761 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9762 break;
9763 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9764 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9765 break;
9766 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9767 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9768 break;
9769 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9770 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9771 break;
9772 }
9773
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009774 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9775 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9776
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009777 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009778 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009779
9780 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9781 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9782 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9783 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9784
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009785 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9786 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009787}
9788
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009789#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9790#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9791
9792static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9793{
9794 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009795 int igu_sb_id;
9796 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009797 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009798
9799 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009800 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009801 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009802 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009803 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9804 FP_SB_MAX_E1x;
9805
9806 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9807 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9808
9809 return;
9810 }
9811
9812 /* IGU in normal mode - read CAM */
9813 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9814 igu_sb_id++) {
9815 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9816 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9817 continue;
9818 fid = IGU_FID(val);
9819 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9820 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9821 continue;
9822 if (IGU_VEC(val) == 0)
9823 /* default status block */
9824 bp->igu_dsb_id = igu_sb_id;
9825 else {
9826 if (bp->igu_base_sb == 0xff)
9827 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009828 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009829 }
9830 }
9831 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009832
Ariel Elior6383c0b2011-07-14 08:31:57 +00009833#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +00009834 /* Due to new PF resource allocation by MFW T7.4 and above, it's
9835 * optional that number of CAM entries will not be equal to the value
9836 * advertised in PCI.
9837 * Driver should use the minimal value of both as the actual status
9838 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009839 */
Ariel Elior185d4c82012-09-20 05:26:41 +00009840 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009841#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009842
Ariel Elior6383c0b2011-07-14 08:31:57 +00009843 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009844 BNX2X_ERR("CAM configuration error\n");
9845}
9846
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009847static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9848 u32 switch_cfg)
9849{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009850 int cfg_size = 0, idx, port = BP_PORT(bp);
9851
9852 /* Aggregation of supported attributes of all external phys */
9853 bp->port.supported[0] = 0;
9854 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009855 switch (bp->link_params.num_phys) {
9856 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009857 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9858 cfg_size = 1;
9859 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009860 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009861 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9862 cfg_size = 1;
9863 break;
9864 case 3:
9865 if (bp->link_params.multi_phy_config &
9866 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9867 bp->port.supported[1] =
9868 bp->link_params.phy[EXT_PHY1].supported;
9869 bp->port.supported[0] =
9870 bp->link_params.phy[EXT_PHY2].supported;
9871 } else {
9872 bp->port.supported[0] =
9873 bp->link_params.phy[EXT_PHY1].supported;
9874 bp->port.supported[1] =
9875 bp->link_params.phy[EXT_PHY2].supported;
9876 }
9877 cfg_size = 2;
9878 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009879 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009880
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009881 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009882 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009883 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009884 dev_info.port_hw_config[port].external_phy_config),
9885 SHMEM_RD(bp,
9886 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009887 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009888 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009889
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009890 if (CHIP_IS_E3(bp))
9891 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9892 else {
9893 switch (switch_cfg) {
9894 case SWITCH_CFG_1G:
9895 bp->port.phy_addr = REG_RD(
9896 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9897 break;
9898 case SWITCH_CFG_10G:
9899 bp->port.phy_addr = REG_RD(
9900 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9901 break;
9902 default:
9903 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9904 bp->port.link_config[0]);
9905 return;
9906 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009907 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009908 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009909 /* mask what we support according to speed_cap_mask per configuration */
9910 for (idx = 0; idx < cfg_size; idx++) {
9911 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009912 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009913 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009914
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009915 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009916 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009917 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009918
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009919 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009920 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009921 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009922
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009923 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009924 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009925 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009926
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009927 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009928 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009929 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009930 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009931
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009932 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009933 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009934 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009935
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009936 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009937 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009938 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009939
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009940 }
9941
9942 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9943 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009944}
9945
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009946static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009947{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009948 u32 link_config, idx, cfg_size = 0;
9949 bp->port.advertising[0] = 0;
9950 bp->port.advertising[1] = 0;
9951 switch (bp->link_params.num_phys) {
9952 case 1:
9953 case 2:
9954 cfg_size = 1;
9955 break;
9956 case 3:
9957 cfg_size = 2;
9958 break;
9959 }
9960 for (idx = 0; idx < cfg_size; idx++) {
9961 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9962 link_config = bp->port.link_config[idx];
9963 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009964 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009965 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9966 bp->link_params.req_line_speed[idx] =
9967 SPEED_AUTO_NEG;
9968 bp->port.advertising[idx] |=
9969 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009970 if (bp->link_params.phy[EXT_PHY1].type ==
9971 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9972 bp->port.advertising[idx] |=
9973 (SUPPORTED_100baseT_Half |
9974 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009975 } else {
9976 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009977 bp->link_params.req_line_speed[idx] =
9978 SPEED_10000;
9979 bp->port.advertising[idx] |=
9980 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009981 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009982 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009983 }
9984 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009985
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009986 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009987 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9988 bp->link_params.req_line_speed[idx] =
9989 SPEED_10;
9990 bp->port.advertising[idx] |=
9991 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009992 ADVERTISED_TP);
9993 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009994 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009995 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009996 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009997 return;
9998 }
9999 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010001 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010002 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10003 bp->link_params.req_line_speed[idx] =
10004 SPEED_10;
10005 bp->link_params.req_duplex[idx] =
10006 DUPLEX_HALF;
10007 bp->port.advertising[idx] |=
10008 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010009 ADVERTISED_TP);
10010 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010011 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010012 link_config,
10013 bp->link_params.speed_cap_mask[idx]);
10014 return;
10015 }
10016 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010017
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010018 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10019 if (bp->port.supported[idx] &
10020 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010021 bp->link_params.req_line_speed[idx] =
10022 SPEED_100;
10023 bp->port.advertising[idx] |=
10024 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010025 ADVERTISED_TP);
10026 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010027 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010028 link_config,
10029 bp->link_params.speed_cap_mask[idx]);
10030 return;
10031 }
10032 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010033
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010034 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10035 if (bp->port.supported[idx] &
10036 SUPPORTED_100baseT_Half) {
10037 bp->link_params.req_line_speed[idx] =
10038 SPEED_100;
10039 bp->link_params.req_duplex[idx] =
10040 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010041 bp->port.advertising[idx] |=
10042 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010043 ADVERTISED_TP);
10044 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010045 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010046 link_config,
10047 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010048 return;
10049 }
10050 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010051
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010052 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010053 if (bp->port.supported[idx] &
10054 SUPPORTED_1000baseT_Full) {
10055 bp->link_params.req_line_speed[idx] =
10056 SPEED_1000;
10057 bp->port.advertising[idx] |=
10058 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010059 ADVERTISED_TP);
10060 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010061 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010062 link_config,
10063 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010064 return;
10065 }
10066 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010067
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010068 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010069 if (bp->port.supported[idx] &
10070 SUPPORTED_2500baseX_Full) {
10071 bp->link_params.req_line_speed[idx] =
10072 SPEED_2500;
10073 bp->port.advertising[idx] |=
10074 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010075 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010076 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010077 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010078 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010079 bp->link_params.speed_cap_mask[idx]);
10080 return;
10081 }
10082 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010083
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010084 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010085 if (bp->port.supported[idx] &
10086 SUPPORTED_10000baseT_Full) {
10087 bp->link_params.req_line_speed[idx] =
10088 SPEED_10000;
10089 bp->port.advertising[idx] |=
10090 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010091 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010092 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010093 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010094 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010095 bp->link_params.speed_cap_mask[idx]);
10096 return;
10097 }
10098 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010099 case PORT_FEATURE_LINK_SPEED_20G:
10100 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010101
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010102 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010103 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010104 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010105 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010106 bp->link_params.req_line_speed[idx] =
10107 SPEED_AUTO_NEG;
10108 bp->port.advertising[idx] =
10109 bp->port.supported[idx];
10110 break;
10111 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010112
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010113 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010114 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010115 if ((bp->link_params.req_flow_ctrl[idx] ==
10116 BNX2X_FLOW_CTRL_AUTO) &&
10117 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10118 bp->link_params.req_flow_ctrl[idx] =
10119 BNX2X_FLOW_CTRL_NONE;
10120 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010121
Merav Sicron51c1a582012-03-18 10:33:38 +000010122 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 +000010123 bp->link_params.req_line_speed[idx],
10124 bp->link_params.req_duplex[idx],
10125 bp->link_params.req_flow_ctrl[idx],
10126 bp->port.advertising[idx]);
10127 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010128}
10129
Michael Chane665bfd2009-10-10 13:46:54 +000010130static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10131{
10132 mac_hi = cpu_to_be16(mac_hi);
10133 mac_lo = cpu_to_be32(mac_lo);
10134 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10135 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10136}
10137
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010138static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010139{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010140 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010141 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010142 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010143
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010144 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010145 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010146
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010147 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010148 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010149
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010150 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010151 SHMEM_RD(bp,
10152 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010153 bp->link_params.speed_cap_mask[1] =
10154 SHMEM_RD(bp,
10155 dev_info.port_hw_config[port].speed_capability_mask2);
10156 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010157 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10158
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010159 bp->port.link_config[1] =
10160 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010161
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010162 bp->link_params.multi_phy_config =
10163 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010164 /* If the device is capable of WoL, set the default state according
10165 * to the HW
10166 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010167 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010168 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10169 (config & PORT_FEATURE_WOL_ENABLED));
10170
Merav Sicron51c1a582012-03-18 10:33:38 +000010171 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010172 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010173 bp->link_params.speed_cap_mask[0],
10174 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010175
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010176 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010177 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010178 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010179 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010180
10181 bnx2x_link_settings_requested(bp);
10182
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010183 /*
10184 * If connected directly, work with the internal PHY, otherwise, work
10185 * with the external PHY
10186 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010187 ext_phy_config =
10188 SHMEM_RD(bp,
10189 dev_info.port_hw_config[port].external_phy_config);
10190 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010191 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010192 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010193
10194 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10195 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10196 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010197 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010198
10199 /*
10200 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10201 * In MF mode, it is set to cover self test cases
10202 */
10203 if (IS_MF(bp))
10204 bp->port.need_hw_lock = 1;
10205 else
10206 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10207 bp->common.shmem_base,
10208 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010209
10210 /* Configure link feature according to nvram value */
10211 eee_mode = (((SHMEM_RD(bp, dev_info.
10212 port_feature_config[port].eee_power_mode)) &
10213 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10214 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10215 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10216 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10217 EEE_MODE_ENABLE_LPI |
10218 EEE_MODE_OUTPUT_TIME;
10219 } else {
10220 bp->link_params.eee_mode = 0;
10221 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010222}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010223
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010224void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010225{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010226 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010227#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010228 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010229
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010230 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010231 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010232
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010233 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010234 bp->cnic_eth_dev.max_iscsi_conn =
10235 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10236 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10237
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010238 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10239 bp->cnic_eth_dev.max_iscsi_conn);
10240
10241 /*
10242 * If maximum allowed number of connections is zero -
10243 * disable the feature.
10244 */
10245 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010246 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010247#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010248 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010249#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010250}
10251
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010252#ifdef BCM_CNIC
10253static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10254{
10255 /* Port info */
10256 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10257 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10258 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10259 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10260
10261 /* Node info */
10262 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10263 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10264 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10265 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10266}
10267#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010268static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10269{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010270#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010271 int port = BP_PORT(bp);
10272 int func = BP_ABS_FUNC(bp);
10273
10274 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10275 drv_lic_key[port].max_fcoe_conn);
10276
10277 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010278 bp->cnic_eth_dev.max_fcoe_conn =
10279 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10280 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10281
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010282 /* Read the WWN: */
10283 if (!IS_MF(bp)) {
10284 /* Port info */
10285 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10286 SHMEM_RD(bp,
10287 dev_info.port_hw_config[port].
10288 fcoe_wwn_port_name_upper);
10289 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10290 SHMEM_RD(bp,
10291 dev_info.port_hw_config[port].
10292 fcoe_wwn_port_name_lower);
10293
10294 /* Node info */
10295 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10296 SHMEM_RD(bp,
10297 dev_info.port_hw_config[port].
10298 fcoe_wwn_node_name_upper);
10299 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10300 SHMEM_RD(bp,
10301 dev_info.port_hw_config[port].
10302 fcoe_wwn_node_name_lower);
10303 } else if (!IS_MF_SD(bp)) {
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010304 /*
10305 * Read the WWN info only if the FCoE feature is enabled for
10306 * this function.
10307 */
Yuval Mintz7b5342d2012-09-11 04:34:14 +000010308 if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010309 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010310
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010311 } else if (IS_MF_FCOE_SD(bp))
10312 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010313
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010314 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010315
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010316 /*
10317 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010318 * disable the feature.
10319 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010320 if (!bp->cnic_eth_dev.max_fcoe_conn)
10321 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010322#else
10323 bp->flags |= NO_FCOE_FLAG;
10324#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010325}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010326
10327static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10328{
10329 /*
10330 * iSCSI may be dynamically disabled but reading
10331 * info here we will decrease memory usage by driver
10332 * if the feature is disabled for good
10333 */
10334 bnx2x_get_iscsi_info(bp);
10335 bnx2x_get_fcoe_info(bp);
10336}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010337
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010338static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10339{
10340 u32 val, val2;
10341 int func = BP_ABS_FUNC(bp);
10342 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010343#ifdef BCM_CNIC
10344 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10345 u8 *fip_mac = bp->fip_mac;
10346#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010347
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010348 /* Zero primary MAC configuration */
10349 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10350
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010351 if (BP_NOMCP(bp)) {
10352 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010353 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010354 } else if (IS_MF(bp)) {
10355 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10356 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10357 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10358 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10359 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10360
10361#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010362 /*
10363 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010364 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010365 *
10366 * In non SD mode features configuration comes from
10367 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010368 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010369 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010370 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10371 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10372 val2 = MF_CFG_RD(bp, func_ext_config[func].
10373 iscsi_mac_addr_upper);
10374 val = MF_CFG_RD(bp, func_ext_config[func].
10375 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010376 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +000010377 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10378 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010379 } else
10380 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10381
10382 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10383 val2 = MF_CFG_RD(bp, func_ext_config[func].
10384 fcoe_mac_addr_upper);
10385 val = MF_CFG_RD(bp, func_ext_config[func].
10386 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010387 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010388 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010389 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010390
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010391 } else
10392 bp->flags |= NO_FCOE_FLAG;
Barak Witkowskia3348722012-04-23 03:04:46 +000010393
10394 bp->mf_ext_config = cfg;
10395
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010396 } else { /* SD MODE */
10397 if (IS_MF_STORAGE_SD(bp)) {
10398 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10399 /* use primary mac as iscsi mac */
10400 memcpy(iscsi_mac, bp->dev->dev_addr,
10401 ETH_ALEN);
10402
10403 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10404 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10405 iscsi_mac);
10406 } else { /* FCoE */
10407 memcpy(fip_mac, bp->dev->dev_addr,
10408 ETH_ALEN);
10409 BNX2X_DEV_INFO("SD FCoE MODE\n");
10410 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
10411 fip_mac);
10412 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010413 /* Zero primary MAC configuration */
10414 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010415 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010416 }
Barak Witkowskia3348722012-04-23 03:04:46 +000010417
10418 if (IS_MF_FCOE_AFEX(bp))
10419 /* use FIP MAC as primary MAC */
10420 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10421
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010422#endif
10423 } else {
10424 /* in SF read MACs from port configuration */
10425 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10426 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10427 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10428
10429#ifdef BCM_CNIC
10430 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10431 iscsi_mac_upper);
10432 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10433 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010434 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +000010435
10436 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10437 fcoe_fip_mac_upper);
10438 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10439 fcoe_fip_mac_lower);
10440 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010441#endif
10442 }
10443
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010444 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10445 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010446
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010447#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +000010448 /* Disable iSCSI if MAC configuration is
10449 * invalid.
10450 */
10451 if (!is_valid_ether_addr(iscsi_mac)) {
10452 bp->flags |= NO_ISCSI_FLAG;
10453 memset(iscsi_mac, 0, ETH_ALEN);
10454 }
10455
10456 /* Disable FCoE if MAC configuration is
10457 * invalid.
10458 */
10459 if (!is_valid_ether_addr(fip_mac)) {
10460 bp->flags |= NO_FCOE_FLAG;
10461 memset(bp->fip_mac, 0, ETH_ALEN);
10462 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010463#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010464
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010465 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010466 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010467 "bad Ethernet MAC address configuration: %pM\n"
10468 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010469 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010470
10471
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010472}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010473
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010474static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10475{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010476 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010477 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010478 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010479 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010480
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010481 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010482
Ariel Elior6383c0b2011-07-14 08:31:57 +000010483 /*
10484 * initialize IGU parameters
10485 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010486 if (CHIP_IS_E1x(bp)) {
10487 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010488
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010489 bp->igu_dsb_id = DEF_SB_IGU_ID;
10490 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010491 } else {
10492 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010493
10494 /* do not allow device reset during IGU info preocessing */
10495 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10496
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010497 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010498
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010499 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010500 int tout = 5000;
10501
10502 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10503
10504 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10505 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10506 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10507
10508 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10509 tout--;
10510 usleep_range(1000, 1000);
10511 }
10512
10513 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10514 dev_err(&bp->pdev->dev,
10515 "FORCING Normal Mode failed!!!\n");
10516 return -EPERM;
10517 }
10518 }
10519
10520 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10521 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010522 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10523 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010524 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010525
10526 bnx2x_get_igu_cam_info(bp);
10527
David S. Miller8decf862011-09-22 03:23:13 -040010528 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010529 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010530
10531 /*
10532 * set base FW non-default (fast path) status block id, this value is
10533 * used to initialize the fw_sb_id saved on the fp/queue structure to
10534 * determine the id used by the FW.
10535 */
10536 if (CHIP_IS_E1x(bp))
10537 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10538 else /*
10539 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10540 * the same queue are indicated on the same IGU SB). So we prefer
10541 * FW and IGU SBs to be the same value.
10542 */
10543 bp->base_fw_ndsb = bp->igu_base_sb;
10544
10545 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10546 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10547 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010548
10549 /*
10550 * Initialize MF configuration
10551 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010552
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010553 bp->mf_ov = 0;
10554 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010555 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010556
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010557 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010558 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10559 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10560 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10561
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010562 if (SHMEM2_HAS(bp, mf_cfg_addr))
10563 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10564 else
10565 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010566 offsetof(struct shmem_region, func_mb) +
10567 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010568 /*
10569 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010570 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010571 * 2. MAC address must be legal (check only upper bytes)
10572 * for Switch-Independent mode;
10573 * OVLAN must be legal for Switch-Dependent mode
10574 * 3. SF_MODE configures specific MF mode
10575 */
10576 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10577 /* get mf configuration */
10578 val = SHMEM_RD(bp,
10579 dev_info.shared_feature_config.config);
10580 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010581
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010582 switch (val) {
10583 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10584 val = MF_CFG_RD(bp, func_mf_config[func].
10585 mac_upper);
10586 /* check for legal mac (upper bytes)*/
10587 if (val != 0xffff) {
10588 bp->mf_mode = MULTI_FUNCTION_SI;
10589 bp->mf_config[vn] = MF_CFG_RD(bp,
10590 func_mf_config[func].config);
10591 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010592 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010593 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010594 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10595 if ((!CHIP_IS_E1x(bp)) &&
10596 (MF_CFG_RD(bp, func_mf_config[func].
10597 mac_upper) != 0xffff) &&
10598 (SHMEM2_HAS(bp,
10599 afex_driver_support))) {
10600 bp->mf_mode = MULTI_FUNCTION_AFEX;
10601 bp->mf_config[vn] = MF_CFG_RD(bp,
10602 func_mf_config[func].config);
10603 } else {
10604 BNX2X_DEV_INFO("can not configure afex mode\n");
10605 }
10606 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010607 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10608 /* get OV configuration */
10609 val = MF_CFG_RD(bp,
10610 func_mf_config[FUNC_0].e1hov_tag);
10611 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10612
10613 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10614 bp->mf_mode = MULTI_FUNCTION_SD;
10615 bp->mf_config[vn] = MF_CFG_RD(bp,
10616 func_mf_config[func].config);
10617 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010618 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010619 break;
10620 default:
10621 /* Unknown configuration: reset mf_config */
10622 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010623 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010624 }
10625 }
10626
Eilon Greenstein2691d512009-08-12 08:22:08 +000010627 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010628 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010629
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010630 switch (bp->mf_mode) {
10631 case MULTI_FUNCTION_SD:
10632 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10633 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010634 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010635 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010636 bp->path_has_ovlan = true;
10637
Merav Sicron51c1a582012-03-18 10:33:38 +000010638 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10639 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010640 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010641 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010642 "No valid MF OV for func %d, aborting\n",
10643 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010644 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010645 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010646 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010647 case MULTI_FUNCTION_AFEX:
10648 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10649 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010650 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010651 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10652 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010653 break;
10654 default:
10655 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010656 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010657 "VN %d is in a single function mode, aborting\n",
10658 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010659 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010660 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010661 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010662 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010663
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010664 /* check if other port on the path needs ovlan:
10665 * Since MF configuration is shared between ports
10666 * Possible mixed modes are only
10667 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10668 */
10669 if (CHIP_MODE_IS_4_PORT(bp) &&
10670 !bp->path_has_ovlan &&
10671 !IS_MF(bp) &&
10672 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10673 u8 other_port = !BP_PORT(bp);
10674 u8 other_func = BP_PATH(bp) + 2*other_port;
10675 val = MF_CFG_RD(bp,
10676 func_mf_config[other_func].e1hov_tag);
10677 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10678 bp->path_has_ovlan = true;
10679 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010680 }
10681
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010682 /* adjust igu_sb_cnt to MF for E1x */
10683 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010684 bp->igu_sb_cnt /= E1HVN_MAX;
10685
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010686 /* port info */
10687 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010688
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010689 /* Get MAC addresses */
10690 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010691
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010692 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010693
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010694 return rc;
10695}
10696
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010697static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10698{
10699 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010700 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010701 char str_id_reg[VENDOR_ID_LEN+1];
10702 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010703 char *vpd_data;
10704 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010705 u8 len;
10706
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010707 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010708 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10709
10710 if (cnt < BNX2X_VPD_LEN)
10711 goto out_not_found;
10712
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010713 /* VPD RO tag should be first tag after identifier string, hence
10714 * we should be able to find it in first BNX2X_VPD_LEN chars
10715 */
10716 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010717 PCI_VPD_LRDT_RO_DATA);
10718 if (i < 0)
10719 goto out_not_found;
10720
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010721 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010722 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010723
10724 i += PCI_VPD_LRDT_TAG_SIZE;
10725
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010726 if (block_end > BNX2X_VPD_LEN) {
10727 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10728 if (vpd_extended_data == NULL)
10729 goto out_not_found;
10730
10731 /* read rest of vpd image into vpd_extended_data */
10732 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10733 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10734 block_end - BNX2X_VPD_LEN,
10735 vpd_extended_data + BNX2X_VPD_LEN);
10736 if (cnt < (block_end - BNX2X_VPD_LEN))
10737 goto out_not_found;
10738 vpd_data = vpd_extended_data;
10739 } else
10740 vpd_data = vpd_start;
10741
10742 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010743
10744 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10745 PCI_VPD_RO_KEYWORD_MFR_ID);
10746 if (rodi < 0)
10747 goto out_not_found;
10748
10749 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10750
10751 if (len != VENDOR_ID_LEN)
10752 goto out_not_found;
10753
10754 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10755
10756 /* vendor specific info */
10757 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10758 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10759 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10760 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10761
10762 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10763 PCI_VPD_RO_KEYWORD_VENDOR0);
10764 if (rodi >= 0) {
10765 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10766
10767 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10768
10769 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10770 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10771 bp->fw_ver[len] = ' ';
10772 }
10773 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010774 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010775 return;
10776 }
10777out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010778 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010779 return;
10780}
10781
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010782static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10783{
10784 u32 flags = 0;
10785
10786 if (CHIP_REV_IS_FPGA(bp))
10787 SET_FLAGS(flags, MODE_FPGA);
10788 else if (CHIP_REV_IS_EMUL(bp))
10789 SET_FLAGS(flags, MODE_EMUL);
10790 else
10791 SET_FLAGS(flags, MODE_ASIC);
10792
10793 if (CHIP_MODE_IS_4_PORT(bp))
10794 SET_FLAGS(flags, MODE_PORT4);
10795 else
10796 SET_FLAGS(flags, MODE_PORT2);
10797
10798 if (CHIP_IS_E2(bp))
10799 SET_FLAGS(flags, MODE_E2);
10800 else if (CHIP_IS_E3(bp)) {
10801 SET_FLAGS(flags, MODE_E3);
10802 if (CHIP_REV(bp) == CHIP_REV_Ax)
10803 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010804 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10805 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010806 }
10807
10808 if (IS_MF(bp)) {
10809 SET_FLAGS(flags, MODE_MF);
10810 switch (bp->mf_mode) {
10811 case MULTI_FUNCTION_SD:
10812 SET_FLAGS(flags, MODE_MF_SD);
10813 break;
10814 case MULTI_FUNCTION_SI:
10815 SET_FLAGS(flags, MODE_MF_SI);
10816 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010817 case MULTI_FUNCTION_AFEX:
10818 SET_FLAGS(flags, MODE_MF_AFEX);
10819 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010820 }
10821 } else
10822 SET_FLAGS(flags, MODE_SF);
10823
10824#if defined(__LITTLE_ENDIAN)
10825 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10826#else /*(__BIG_ENDIAN)*/
10827 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10828#endif
10829 INIT_MODE_FLAGS(bp) = flags;
10830}
10831
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010832static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10833{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010834 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010835 int rc;
10836
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010837 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010838 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010839 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010840#ifdef BCM_CNIC
10841 mutex_init(&bp->cnic_mutex);
10842#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010843
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010844 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010845 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010846 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010847 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010848 if (rc)
10849 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010850
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010851 bnx2x_set_modes_bitmap(bp);
10852
10853 rc = bnx2x_alloc_mem_bp(bp);
10854 if (rc)
10855 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010856
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010857 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010858
10859 func = BP_FUNC(bp);
10860
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010861 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010862 if (!BP_NOMCP(bp)) {
10863 /* init fw_seq */
10864 bp->fw_seq =
10865 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10866 DRV_MSG_SEQ_NUMBER_MASK;
10867 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10868
10869 bnx2x_prev_unload(bp);
10870 }
10871
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010872
10873 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010874 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010875
10876 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010877 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010878
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010879 bp->disable_tpa = disable_tpa;
10880
10881#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +000010882 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010883#endif
10884
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010885 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010886 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010887 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010888 bp->dev->features &= ~NETIF_F_LRO;
10889 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010890 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010891 bp->dev->features |= NETIF_F_LRO;
10892 }
10893
Eilon Greensteina18f5122009-08-12 08:23:26 +000010894 if (CHIP_IS_E1(bp))
10895 bp->dropless_fc = 0;
10896 else
10897 bp->dropless_fc = dropless_fc;
10898
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010899 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010900
Barak Witkowskia3348722012-04-23 03:04:46 +000010901 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010902
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010903 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010904 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10905 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010906
Michal Schmidtfc543632012-02-14 09:05:46 +000010907 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010908
10909 init_timer(&bp->timer);
10910 bp->timer.expires = jiffies + bp->current_interval;
10911 bp->timer.data = (unsigned long) bp;
10912 bp->timer.function = bnx2x_timer;
10913
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010914 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010915 bnx2x_dcbx_init_params(bp);
10916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010917#ifdef BCM_CNIC
10918 if (CHIP_IS_E1x(bp))
10919 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10920 else
10921 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10922#endif
10923
Ariel Elior6383c0b2011-07-14 08:31:57 +000010924 /* multiple tx priority */
10925 if (CHIP_IS_E1x(bp))
10926 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10927 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10928 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10929 if (CHIP_IS_E3B0(bp))
10930 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10931
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010932 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010933}
10934
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010935
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010936/****************************************************************************
10937* General service functions
10938****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010939
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010940/*
10941 * net_device service functions
10942 */
10943
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010944/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010945static int bnx2x_open(struct net_device *dev)
10946{
10947 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010948 bool global = false;
10949 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010950 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010951
Mintz Yuval1355b702012-02-15 02:10:22 +000010952 bp->stats_init = true;
10953
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010954 netif_carrier_off(dev);
10955
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010956 bnx2x_set_power_state(bp, PCI_D0);
10957
Ariel Elior889b9af2012-01-26 06:01:51 +000010958 other_load_status = bnx2x_get_load_status(bp, other_engine);
10959 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010960
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010961 /*
10962 * If parity had happen during the unload, then attentions
10963 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10964 * want the first function loaded on the current engine to
10965 * complete the recovery.
10966 */
10967 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10968 bnx2x_chk_parity_attn(bp, &global, true))
10969 do {
10970 /*
10971 * If there are attentions and they are in a global
10972 * blocks, set the GLOBAL_RESET bit regardless whether
10973 * it will be this function that will complete the
10974 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010975 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010976 if (global)
10977 bnx2x_set_reset_global(bp);
10978
10979 /*
10980 * Only the first function on the current engine should
10981 * try to recover in open. In case of attentions in
10982 * global blocks only the first in the chip should try
10983 * to recover.
10984 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010985 if ((!load_status &&
10986 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010987 bnx2x_trylock_leader_lock(bp) &&
10988 !bnx2x_leader_reset(bp)) {
10989 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010990 break;
10991 }
10992
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010993 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010994 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010995 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010996
Merav Sicron51c1a582012-03-18 10:33:38 +000010997 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
10998 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010999
11000 return -EAGAIN;
11001 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011002
11003 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011004 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011005}
11006
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011007/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011008static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011009{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011010 struct bnx2x *bp = netdev_priv(dev);
11011
11012 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011013 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011014
11015 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011016 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011017
11018 return 0;
11019}
11020
Eric Dumazet1191cb82012-04-27 21:39:21 +000011021static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11022 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011023{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011024 int mc_count = netdev_mc_count(bp->dev);
11025 struct bnx2x_mcast_list_elem *mc_mac =
11026 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011027 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011028
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011029 if (!mc_mac)
11030 return -ENOMEM;
11031
11032 INIT_LIST_HEAD(&p->mcast_list);
11033
11034 netdev_for_each_mc_addr(ha, bp->dev) {
11035 mc_mac->mac = bnx2x_mc_addr(ha);
11036 list_add_tail(&mc_mac->link, &p->mcast_list);
11037 mc_mac++;
11038 }
11039
11040 p->mcast_list_len = mc_count;
11041
11042 return 0;
11043}
11044
Eric Dumazet1191cb82012-04-27 21:39:21 +000011045static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011046 struct bnx2x_mcast_ramrod_params *p)
11047{
11048 struct bnx2x_mcast_list_elem *mc_mac =
11049 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11050 link);
11051
11052 WARN_ON(!mc_mac);
11053 kfree(mc_mac);
11054}
11055
11056/**
11057 * bnx2x_set_uc_list - configure a new unicast MACs list.
11058 *
11059 * @bp: driver handle
11060 *
11061 * We will use zero (0) as a MAC type for these MACs.
11062 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011063static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011064{
11065 int rc;
11066 struct net_device *dev = bp->dev;
11067 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011068 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011069 unsigned long ramrod_flags = 0;
11070
11071 /* First schedule a cleanup up of old configuration */
11072 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11073 if (rc < 0) {
11074 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11075 return rc;
11076 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011077
11078 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011079 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11080 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011081 if (rc == -EEXIST) {
11082 DP(BNX2X_MSG_SP,
11083 "Failed to schedule ADD operations: %d\n", rc);
11084 /* do not treat adding same MAC as error */
11085 rc = 0;
11086
11087 } else if (rc < 0) {
11088
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011089 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11090 rc);
11091 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011092 }
11093 }
11094
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011095 /* Execute the pending commands */
11096 __set_bit(RAMROD_CONT, &ramrod_flags);
11097 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11098 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011099}
11100
Eric Dumazet1191cb82012-04-27 21:39:21 +000011101static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011102{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011103 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011104 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011105 int rc = 0;
11106
11107 rparam.mcast_obj = &bp->mcast_obj;
11108
11109 /* first, clear all configured multicast MACs */
11110 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11111 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011112 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011113 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011114 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011115
11116 /* then, configure a new MACs list */
11117 if (netdev_mc_count(dev)) {
11118 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11119 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011120 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11121 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011122 return rc;
11123 }
11124
11125 /* Now add the new MACs */
11126 rc = bnx2x_config_mcast(bp, &rparam,
11127 BNX2X_MCAST_CMD_ADD);
11128 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011129 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11130 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011131
11132 bnx2x_free_mcast_macs_list(&rparam);
11133 }
11134
11135 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011136}
11137
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011138
11139/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011140void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011141{
11142 struct bnx2x *bp = netdev_priv(dev);
11143 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011144
11145 if (bp->state != BNX2X_STATE_OPEN) {
11146 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11147 return;
11148 }
11149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011150 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011151
11152 if (dev->flags & IFF_PROMISC)
11153 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011154 else if ((dev->flags & IFF_ALLMULTI) ||
11155 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11156 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011157 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011158 else {
11159 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011160 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011161 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011162
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011163 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011164 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011165 }
11166
11167 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011168#ifdef BCM_CNIC
11169 /* handle ISCSI SD mode */
11170 if (IS_MF_ISCSI_SD(bp))
11171 bp->rx_mode = BNX2X_RX_MODE_NONE;
11172#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011173
11174 /* Schedule the rx_mode command */
11175 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11176 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11177 return;
11178 }
11179
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011180 bnx2x_set_storm_rx_mode(bp);
11181}
11182
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011183/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011184static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11185 int devad, u16 addr)
11186{
11187 struct bnx2x *bp = netdev_priv(netdev);
11188 u16 value;
11189 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011190
11191 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11192 prtad, devad, addr);
11193
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011194 /* The HW expects different devad if CL22 is used */
11195 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11196
11197 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011198 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011199 bnx2x_release_phy_lock(bp);
11200 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11201
11202 if (!rc)
11203 rc = value;
11204 return rc;
11205}
11206
11207/* called with rtnl_lock */
11208static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11209 u16 addr, u16 value)
11210{
11211 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011212 int rc;
11213
Merav Sicron51c1a582012-03-18 10:33:38 +000011214 DP(NETIF_MSG_LINK,
11215 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11216 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011217
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011218 /* The HW expects different devad if CL22 is used */
11219 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11220
11221 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011222 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011223 bnx2x_release_phy_lock(bp);
11224 return rc;
11225}
11226
11227/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011228static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11229{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011230 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011231 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011232
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011233 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11234 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011235
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011236 if (!netif_running(dev))
11237 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011238
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011239 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011240}
11241
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011242#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011243static void poll_bnx2x(struct net_device *dev)
11244{
11245 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000011246 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011247
Merav Sicron14a15d62012-08-27 03:26:20 +000011248 for_each_eth_queue(bp, i) {
11249 struct bnx2x_fastpath *fp = &bp->fp[i];
11250 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
11251 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011252}
11253#endif
11254
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011255static int bnx2x_validate_addr(struct net_device *dev)
11256{
11257 struct bnx2x *bp = netdev_priv(dev);
11258
Merav Sicron51c1a582012-03-18 10:33:38 +000011259 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11260 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011261 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011262 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011263 return 0;
11264}
11265
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011266static const struct net_device_ops bnx2x_netdev_ops = {
11267 .ndo_open = bnx2x_open,
11268 .ndo_stop = bnx2x_close,
11269 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011270 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011271 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011272 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011273 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011274 .ndo_do_ioctl = bnx2x_ioctl,
11275 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011276 .ndo_fix_features = bnx2x_fix_features,
11277 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011278 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011279#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011280 .ndo_poll_controller = poll_bnx2x,
11281#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011282 .ndo_setup_tc = bnx2x_setup_tc,
11283
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011284#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
11285 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11286#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011287};
11288
Eric Dumazet1191cb82012-04-27 21:39:21 +000011289static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011290{
11291 struct device *dev = &bp->pdev->dev;
11292
11293 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11294 bp->flags |= USING_DAC_FLAG;
11295 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011296 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011297 return -EIO;
11298 }
11299 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11300 dev_err(dev, "System does not support DMA, aborting\n");
11301 return -EIO;
11302 }
11303
11304 return 0;
11305}
11306
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011307static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011308 struct net_device *dev,
11309 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011310{
11311 struct bnx2x *bp;
11312 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011313 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011314 bool chip_is_e1x = (board_type == BCM57710 ||
11315 board_type == BCM57711 ||
11316 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011317
11318 SET_NETDEV_DEV(dev, &pdev->dev);
11319 bp = netdev_priv(dev);
11320
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011321 bp->dev = dev;
11322 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011323 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011324
11325 rc = pci_enable_device(pdev);
11326 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011327 dev_err(&bp->pdev->dev,
11328 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011329 goto err_out;
11330 }
11331
11332 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011333 dev_err(&bp->pdev->dev,
11334 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011335 rc = -ENODEV;
11336 goto err_out_disable;
11337 }
11338
11339 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011340 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11341 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011342 rc = -ENODEV;
11343 goto err_out_disable;
11344 }
11345
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011346 if (atomic_read(&pdev->enable_cnt) == 1) {
11347 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11348 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011349 dev_err(&bp->pdev->dev,
11350 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011351 goto err_out_disable;
11352 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011353
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011354 pci_set_master(pdev);
11355 pci_save_state(pdev);
11356 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011357
11358 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11359 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011360 dev_err(&bp->pdev->dev,
11361 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011362 rc = -EIO;
11363 goto err_out_release;
11364 }
11365
Jon Mason77c98e62011-06-27 07:45:12 +000011366 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011367 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011368 rc = -EIO;
11369 goto err_out_release;
11370 }
11371
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011372 rc = bnx2x_set_coherency_mask(bp);
11373 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011374 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011375
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011376 dev->mem_start = pci_resource_start(pdev, 0);
11377 dev->base_addr = dev->mem_start;
11378 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011379
11380 dev->irq = pdev->irq;
11381
Arjan van de Ven275f1652008-10-20 21:42:39 -070011382 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011383 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011384 dev_err(&bp->pdev->dev,
11385 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011386 rc = -ENOMEM;
11387 goto err_out_release;
11388 }
11389
Ariel Eliorc22610d02012-01-26 06:01:47 +000011390 /* In E1/E1H use pci device function given by kernel.
11391 * In E2/E3 read physical function from ME register since these chips
11392 * support Physical Device Assignment where kernel BDF maybe arbitrary
11393 * (depending on hypervisor).
11394 */
11395 if (chip_is_e1x)
11396 bp->pf_num = PCI_FUNC(pdev->devfn);
11397 else {/* chip is E2/3*/
11398 pci_read_config_dword(bp->pdev,
11399 PCICFG_ME_REGISTER, &pci_cfg_dword);
11400 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11401 ME_REG_ABS_PF_NUM_SHIFT);
11402 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011403 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011404
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011405 bnx2x_set_power_state(bp, PCI_D0);
11406
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011407 /* clean indirect addresses */
11408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11409 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011410 /*
11411 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011412 * is not used by the driver.
11413 */
11414 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11415 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11416 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11417 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011418
Ariel Elior65087cf2012-01-23 07:31:55 +000011419 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011420 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11421 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11422 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11423 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11424 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011425
Shmulik Ravid21894002011-07-24 03:57:04 +000011426 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011427 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011428 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011429 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011430 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011431 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011432
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011433 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011434
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011435 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011436 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011437
Jiri Pirko01789342011-08-16 06:29:00 +000011438 dev->priv_flags |= IFF_UNICAST_FLT;
11439
Michał Mirosław66371c42011-04-12 09:38:23 +000011440 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011441 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11442 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11443 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011444
11445 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11446 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11447
11448 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011449 if (bp->flags & USING_DAC_FLAG)
11450 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011451
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011452 /* Add Loopback capability to the device */
11453 dev->hw_features |= NETIF_F_LOOPBACK;
11454
Shmulik Ravid98507672011-02-28 12:19:55 -080011455#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011456 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11457#endif
11458
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011459 /* get_port_hwinfo() will set prtad and mmds properly */
11460 bp->mdio.prtad = MDIO_PRTAD_NONE;
11461 bp->mdio.mmds = 0;
11462 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11463 bp->mdio.dev = dev;
11464 bp->mdio.mdio_read = bnx2x_mdio_read;
11465 bp->mdio.mdio_write = bnx2x_mdio_write;
11466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011467 return 0;
11468
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011469err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011470 if (atomic_read(&pdev->enable_cnt) == 1)
11471 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011472
11473err_out_disable:
11474 pci_disable_device(pdev);
11475 pci_set_drvdata(pdev, NULL);
11476
11477err_out:
11478 return rc;
11479}
11480
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011481static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11482 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011483{
11484 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11485
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011486 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11487
11488 /* return value of 1=2.5GHz 2=5GHz */
11489 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011490}
11491
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011492static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011493{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011494 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011495 struct bnx2x_fw_file_hdr *fw_hdr;
11496 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011497 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011498 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011499 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011500 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011501
Merav Sicron51c1a582012-03-18 10:33:38 +000011502 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11503 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011504 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011505 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011506
11507 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11508 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11509
11510 /* Make sure none of the offsets and sizes make us read beyond
11511 * the end of the firmware data */
11512 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11513 offset = be32_to_cpu(sections[i].offset);
11514 len = be32_to_cpu(sections[i].len);
11515 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011516 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011517 return -EINVAL;
11518 }
11519 }
11520
11521 /* Likewise for the init_ops offsets */
11522 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11523 ops_offsets = (u16 *)(firmware->data + offset);
11524 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11525
11526 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11527 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011528 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011529 return -EINVAL;
11530 }
11531 }
11532
11533 /* Check FW version */
11534 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11535 fw_ver = firmware->data + offset;
11536 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11537 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11538 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11539 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011540 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11541 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11542 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011543 BCM_5710_FW_MINOR_VERSION,
11544 BCM_5710_FW_REVISION_VERSION,
11545 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011546 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011547 }
11548
11549 return 0;
11550}
11551
Eric Dumazet1191cb82012-04-27 21:39:21 +000011552static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011553{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011554 const __be32 *source = (const __be32 *)_source;
11555 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011556 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011557
11558 for (i = 0; i < n/4; i++)
11559 target[i] = be32_to_cpu(source[i]);
11560}
11561
11562/*
11563 Ops array is stored in the following format:
11564 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11565 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011566static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011567{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011568 const __be32 *source = (const __be32 *)_source;
11569 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011570 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011571
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011572 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011573 tmp = be32_to_cpu(source[j]);
11574 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011575 target[i].offset = tmp & 0xffffff;
11576 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011577 }
11578}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011579
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011580/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011581 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11582 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011583static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011584{
11585 const __be32 *source = (const __be32 *)_source;
11586 struct iro *target = (struct iro *)_target;
11587 u32 i, j, tmp;
11588
11589 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11590 target[i].base = be32_to_cpu(source[j]);
11591 j++;
11592 tmp = be32_to_cpu(source[j]);
11593 target[i].m1 = (tmp >> 16) & 0xffff;
11594 target[i].m2 = tmp & 0xffff;
11595 j++;
11596 tmp = be32_to_cpu(source[j]);
11597 target[i].m3 = (tmp >> 16) & 0xffff;
11598 target[i].size = tmp & 0xffff;
11599 j++;
11600 }
11601}
11602
Eric Dumazet1191cb82012-04-27 21:39:21 +000011603static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011604{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011605 const __be16 *source = (const __be16 *)_source;
11606 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011607 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011608
11609 for (i = 0; i < n/2; i++)
11610 target[i] = be16_to_cpu(source[i]);
11611}
11612
Joe Perches7995c642010-02-17 15:01:52 +000011613#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11614do { \
11615 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11616 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011617 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011618 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011619 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11620 (u8 *)bp->arr, len); \
11621} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011622
Yuval Mintz3b603062012-03-18 10:33:39 +000011623static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011624{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011625 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011626 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011627 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011628
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011629 if (bp->firmware)
11630 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011631
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011632 if (CHIP_IS_E1(bp))
11633 fw_file_name = FW_FILE_NAME_E1;
11634 else if (CHIP_IS_E1H(bp))
11635 fw_file_name = FW_FILE_NAME_E1H;
11636 else if (!CHIP_IS_E1x(bp))
11637 fw_file_name = FW_FILE_NAME_E2;
11638 else {
11639 BNX2X_ERR("Unsupported chip revision\n");
11640 return -EINVAL;
11641 }
11642 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011643
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011644 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11645 if (rc) {
11646 BNX2X_ERR("Can't load firmware file %s\n",
11647 fw_file_name);
11648 goto request_firmware_exit;
11649 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011650
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011651 rc = bnx2x_check_firmware(bp);
11652 if (rc) {
11653 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11654 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011655 }
11656
11657 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11658
11659 /* Initialize the pointers to the init arrays */
11660 /* Blob */
11661 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11662
11663 /* Opcodes */
11664 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11665
11666 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011667 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11668 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011669
11670 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011671 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11672 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11673 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11674 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11675 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11676 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11677 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11678 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11679 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11680 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11681 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11682 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11683 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11684 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11685 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11686 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011687 /* IRO */
11688 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011689
11690 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011691
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011692iro_alloc_err:
11693 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011694init_offsets_alloc_err:
11695 kfree(bp->init_ops);
11696init_ops_alloc_err:
11697 kfree(bp->init_data);
11698request_firmware_exit:
11699 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011700 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011701
11702 return rc;
11703}
11704
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011705static void bnx2x_release_firmware(struct bnx2x *bp)
11706{
11707 kfree(bp->init_ops_offsets);
11708 kfree(bp->init_ops);
11709 kfree(bp->init_data);
11710 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011711 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011712}
11713
11714
11715static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11716 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11717 .init_hw_cmn = bnx2x_init_hw_common,
11718 .init_hw_port = bnx2x_init_hw_port,
11719 .init_hw_func = bnx2x_init_hw_func,
11720
11721 .reset_hw_cmn = bnx2x_reset_common,
11722 .reset_hw_port = bnx2x_reset_port,
11723 .reset_hw_func = bnx2x_reset_func,
11724
11725 .gunzip_init = bnx2x_gunzip_init,
11726 .gunzip_end = bnx2x_gunzip_end,
11727
11728 .init_fw = bnx2x_init_firmware,
11729 .release_fw = bnx2x_release_firmware,
11730};
11731
11732void bnx2x__init_func_obj(struct bnx2x *bp)
11733{
11734 /* Prepare DMAE related driver resources */
11735 bnx2x_setup_dmae(bp);
11736
11737 bnx2x_init_func_obj(bp, &bp->func_obj,
11738 bnx2x_sp(bp, func_rdata),
11739 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011740 bnx2x_sp(bp, func_afex_rdata),
11741 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011742 &bnx2x_func_sp_drv);
11743}
11744
11745/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011746static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011747{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011748 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011749
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011750#ifdef BCM_CNIC
11751 cid_count += CNIC_CID_MAX;
11752#endif
11753 return roundup(cid_count, QM_CID_ROUND);
11754}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011755
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011756/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011757 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011758 *
11759 * @dev: pci device
11760 *
11761 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011762static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011763{
11764 int pos;
11765 u16 control;
11766
11767 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011768
Ariel Elior6383c0b2011-07-14 08:31:57 +000011769 /*
11770 * If MSI-X is not supported - return number of SBs needed to support
11771 * one fast path queue: one FP queue + SB for CNIC
11772 */
11773 if (!pos)
11774 return 1 + CNIC_PRESENT;
11775
11776 /*
11777 * The value in the PCI configuration space is the index of the last
11778 * entry, namely one less than the actual size of the table, which is
11779 * exactly what we want to return from this function: number of all SBs
11780 * without the default SB.
11781 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011782 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011783 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011784}
11785
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011786static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11787 const struct pci_device_id *ent)
11788{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011789 struct net_device *dev = NULL;
11790 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011791 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011792 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011793 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011794 /*
11795 * An estimated maximum supported CoS number according to the chip
11796 * version.
11797 * We will try to roughly estimate the maximum number of CoSes this chip
11798 * may support in order to minimize the memory allocated for Tx
11799 * netdev_queue's. This number will be accurately calculated during the
11800 * initialization of bp->max_cos based on the chip versions AND chip
11801 * revision in the bnx2x_init_bp().
11802 */
11803 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011804
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011805 switch (ent->driver_data) {
11806 case BCM57710:
11807 case BCM57711:
11808 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011809 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11810 break;
11811
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011812 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011813 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011814 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11815 break;
11816
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011817 case BCM57800:
11818 case BCM57800_MF:
11819 case BCM57810:
11820 case BCM57810_MF:
Yuval Mintzc3def942012-07-23 10:25:43 +030011821 case BCM57840_O:
11822 case BCM57840_4_10:
11823 case BCM57840_2_20:
11824 case BCM57840_MFO:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011825 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011826 case BCM57811:
11827 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011828 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011829 break;
11830
11831 default:
11832 pr_err("Unknown board_type (%ld), aborting\n",
11833 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011834 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011835 }
11836
Ariel Elior6383c0b2011-07-14 08:31:57 +000011837 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11838
Ariel Elior6383c0b2011-07-14 08:31:57 +000011839 WARN_ON(!max_non_def_sbs);
11840
11841 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11842 rss_count = max_non_def_sbs - CNIC_PRESENT;
11843
11844 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11845 rx_count = rss_count + FCOE_PRESENT;
11846
11847 /*
11848 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000011849 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000011850 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011851 tx_count = rss_count * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011852
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011853 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011854 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011855 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011856 return -ENOMEM;
11857
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011858 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011859
Ariel Elior6383c0b2011-07-14 08:31:57 +000011860 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011861 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011862 pci_set_drvdata(pdev, dev);
11863
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011864 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011865 if (rc < 0) {
11866 free_netdev(dev);
11867 return rc;
11868 }
11869
Merav Sicron51c1a582012-03-18 10:33:38 +000011870 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011871
Merav Sicron60aa0502012-06-19 07:48:29 +000011872 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
11873 tx_count, rx_count);
11874
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011875 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011876 if (rc)
11877 goto init_one_exit;
11878
Ariel Elior6383c0b2011-07-14 08:31:57 +000011879 /*
11880 * Map doorbels here as we need the real value of bp->max_cos which
11881 * is initialized in bnx2x_init_bp().
11882 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011883 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
11884 if (doorbell_size > pci_resource_len(pdev, 2)) {
11885 dev_err(&bp->pdev->dev,
11886 "Cannot map doorbells, bar size too small, aborting\n");
11887 rc = -ENOMEM;
11888 goto init_one_exit;
11889 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000011890 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000011891 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011892 if (!bp->doorbells) {
11893 dev_err(&bp->pdev->dev,
11894 "Cannot map doorbell space, aborting\n");
11895 rc = -ENOMEM;
11896 goto init_one_exit;
11897 }
11898
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011899 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011900 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011901
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011902#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011903 /* disable FCOE L2 queue for E1x */
11904 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011905 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov477864d2012-10-31 05:46:58 +000011906 /* disable FCOE for 57840 device, until FW supports it */
11907 switch (ent->driver_data) {
11908 case BCM57840_O:
11909 case BCM57840_4_10:
11910 case BCM57840_2_20:
11911 case BCM57840_MFO:
11912 case BCM57840_MF:
11913 bp->flags |= NO_FCOE_FLAG;
11914 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011915#endif
11916
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011917
11918 /* Set bp->num_queues for MSI-X mode*/
11919 bnx2x_set_num_queues(bp);
11920
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011921 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011922 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011923 */
11924 bnx2x_set_int_mode(bp);
11925
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011926 rc = register_netdev(dev);
11927 if (rc) {
11928 dev_err(&pdev->dev, "Cannot register net device\n");
11929 goto init_one_exit;
11930 }
11931
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011932#ifdef BCM_CNIC
11933 if (!NO_FCOE(bp)) {
11934 /* Add storage MAC address */
11935 rtnl_lock();
11936 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11937 rtnl_unlock();
11938 }
11939#endif
11940
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011941 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011942
Merav Sicron51c1a582012-03-18 10:33:38 +000011943 BNX2X_DEV_INFO(
11944 "%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 +000011945 board_info[ent->driver_data].name,
11946 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11947 pcie_width,
11948 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11949 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11950 "5GHz (Gen2)" : "2.5GHz",
11951 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011952
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011953 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011954
11955init_one_exit:
11956 if (bp->regview)
11957 iounmap(bp->regview);
11958
11959 if (bp->doorbells)
11960 iounmap(bp->doorbells);
11961
11962 free_netdev(dev);
11963
11964 if (atomic_read(&pdev->enable_cnt) == 1)
11965 pci_release_regions(pdev);
11966
11967 pci_disable_device(pdev);
11968 pci_set_drvdata(pdev, NULL);
11969
11970 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011971}
11972
11973static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11974{
11975 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011976 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011977
Eliezer Tamir228241e2008-02-28 11:56:57 -080011978 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011979 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011980 return;
11981 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011982 bp = netdev_priv(dev);
11983
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011984#ifdef BCM_CNIC
11985 /* Delete storage MAC address */
11986 if (!NO_FCOE(bp)) {
11987 rtnl_lock();
11988 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11989 rtnl_unlock();
11990 }
11991#endif
11992
Shmulik Ravid98507672011-02-28 12:19:55 -080011993#ifdef BCM_DCBNL
11994 /* Delete app tlvs from dcbnl */
11995 bnx2x_dcbnl_update_applist(bp, true);
11996#endif
11997
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011998 unregister_netdev(dev);
11999
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012000 /* Power on: we can't let PCI layer write to us while we are in D3 */
12001 bnx2x_set_power_state(bp, PCI_D0);
12002
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012003 /* Disable MSI/MSI-X */
12004 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012005
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012006 /* Power off */
12007 bnx2x_set_power_state(bp, PCI_D3hot);
12008
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012009 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012010 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012011
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012012 if (bp->regview)
12013 iounmap(bp->regview);
12014
12015 if (bp->doorbells)
12016 iounmap(bp->doorbells);
12017
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012018 bnx2x_release_firmware(bp);
12019
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012020 bnx2x_free_mem_bp(bp);
12021
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012022 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012023
12024 if (atomic_read(&pdev->enable_cnt) == 1)
12025 pci_release_regions(pdev);
12026
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012027 pci_disable_device(pdev);
12028 pci_set_drvdata(pdev, NULL);
12029}
12030
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012031static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12032{
12033 int i;
12034
12035 bp->state = BNX2X_STATE_ERROR;
12036
12037 bp->rx_mode = BNX2X_RX_MODE_NONE;
12038
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012039#ifdef BCM_CNIC
12040 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12041#endif
12042 /* Stop Tx */
12043 bnx2x_tx_disable(bp);
12044
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012045 bnx2x_netif_stop(bp, 0);
Merav Sicron26614ba2012-08-27 03:26:19 +000012046 /* Delete all NAPI objects */
12047 bnx2x_del_all_napi(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012048
12049 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012050
12051 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012052
12053 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012054 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012055
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012056 /* Free SKBs, SGEs, TPA pool and driver internals */
12057 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012058
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012059 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012060 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012061
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012062 bnx2x_free_mem(bp);
12063
12064 bp->state = BNX2X_STATE_CLOSED;
12065
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012066 netif_carrier_off(bp->dev);
12067
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012068 return 0;
12069}
12070
12071static void bnx2x_eeh_recover(struct bnx2x *bp)
12072{
12073 u32 val;
12074
12075 mutex_init(&bp->port.phy_mutex);
12076
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012077
12078 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12079 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12080 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12081 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012082}
12083
Wendy Xiong493adb12008-06-23 20:36:22 -070012084/**
12085 * bnx2x_io_error_detected - called when PCI error is detected
12086 * @pdev: Pointer to PCI device
12087 * @state: The current pci connection state
12088 *
12089 * This function is called after a PCI bus error affecting
12090 * this device has been detected.
12091 */
12092static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12093 pci_channel_state_t state)
12094{
12095 struct net_device *dev = pci_get_drvdata(pdev);
12096 struct bnx2x *bp = netdev_priv(dev);
12097
12098 rtnl_lock();
12099
12100 netif_device_detach(dev);
12101
Dean Nelson07ce50e2009-07-31 09:13:25 +000012102 if (state == pci_channel_io_perm_failure) {
12103 rtnl_unlock();
12104 return PCI_ERS_RESULT_DISCONNECT;
12105 }
12106
Wendy Xiong493adb12008-06-23 20:36:22 -070012107 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012108 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012109
12110 pci_disable_device(pdev);
12111
12112 rtnl_unlock();
12113
12114 /* Request a slot reset */
12115 return PCI_ERS_RESULT_NEED_RESET;
12116}
12117
12118/**
12119 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12120 * @pdev: Pointer to PCI device
12121 *
12122 * Restart the card from scratch, as if from a cold-boot.
12123 */
12124static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12125{
12126 struct net_device *dev = pci_get_drvdata(pdev);
12127 struct bnx2x *bp = netdev_priv(dev);
12128
12129 rtnl_lock();
12130
12131 if (pci_enable_device(pdev)) {
12132 dev_err(&pdev->dev,
12133 "Cannot re-enable PCI device after reset\n");
12134 rtnl_unlock();
12135 return PCI_ERS_RESULT_DISCONNECT;
12136 }
12137
12138 pci_set_master(pdev);
12139 pci_restore_state(pdev);
12140
12141 if (netif_running(dev))
12142 bnx2x_set_power_state(bp, PCI_D0);
12143
12144 rtnl_unlock();
12145
12146 return PCI_ERS_RESULT_RECOVERED;
12147}
12148
12149/**
12150 * bnx2x_io_resume - called when traffic can start flowing again
12151 * @pdev: Pointer to PCI device
12152 *
12153 * This callback is called when the error recovery driver tells us that
12154 * its OK to resume normal operation.
12155 */
12156static void bnx2x_io_resume(struct pci_dev *pdev)
12157{
12158 struct net_device *dev = pci_get_drvdata(pdev);
12159 struct bnx2x *bp = netdev_priv(dev);
12160
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012161 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012162 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012163 return;
12164 }
12165
Wendy Xiong493adb12008-06-23 20:36:22 -070012166 rtnl_lock();
12167
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012168 bnx2x_eeh_recover(bp);
12169
Wendy Xiong493adb12008-06-23 20:36:22 -070012170 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012171 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012172
12173 netif_device_attach(dev);
12174
12175 rtnl_unlock();
12176}
12177
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070012178static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012179 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012180 .slot_reset = bnx2x_io_slot_reset,
12181 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012182};
12183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012184static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012185 .name = DRV_MODULE_NAME,
12186 .id_table = bnx2x_pci_tbl,
12187 .probe = bnx2x_init_one,
12188 .remove = __devexit_p(bnx2x_remove_one),
12189 .suspend = bnx2x_suspend,
12190 .resume = bnx2x_resume,
12191 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012192};
12193
12194static int __init bnx2x_init(void)
12195{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012196 int ret;
12197
Joe Perches7995c642010-02-17 15:01:52 +000012198 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012199
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012200 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12201 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012202 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012203 return -ENOMEM;
12204 }
12205
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012206 ret = pci_register_driver(&bnx2x_pci_driver);
12207 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012208 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012209 destroy_workqueue(bnx2x_wq);
12210 }
12211 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012212}
12213
12214static void __exit bnx2x_cleanup(void)
12215{
Yuval Mintz452427b2012-03-26 20:47:07 +000012216 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012217 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012218
12219 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012220
12221 /* Free globablly allocated resources */
12222 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12223 struct bnx2x_prev_path_list *tmp =
12224 list_entry(pos, struct bnx2x_prev_path_list, list);
12225 list_del(pos);
12226 kfree(tmp);
12227 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012228}
12229
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012230void bnx2x_notify_link_changed(struct bnx2x *bp)
12231{
12232 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12233}
12234
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012235module_init(bnx2x_init);
12236module_exit(bnx2x_cleanup);
12237
Michael Chan993ac7b2009-10-10 13:46:56 +000012238#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012239/**
12240 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12241 *
12242 * @bp: driver handle
12243 * @set: set or clear the CAM entry
12244 *
12245 * This function will wait until the ramdord completion returns.
12246 * Return 0 if success, -ENODEV if ramrod doesn't return.
12247 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012248static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012249{
12250 unsigned long ramrod_flags = 0;
12251
12252 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12253 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12254 &bp->iscsi_l2_mac_obj, true,
12255 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12256}
Michael Chan993ac7b2009-10-10 13:46:56 +000012257
12258/* count denotes the number of new completions we have seen */
12259static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12260{
12261 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012262 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012263
12264#ifdef BNX2X_STOP_ON_ERROR
12265 if (unlikely(bp->panic))
12266 return;
12267#endif
12268
12269 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012270 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012271 bp->cnic_spq_pending -= count;
12272
Michael Chan993ac7b2009-10-10 13:46:56 +000012273
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012274 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12275 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12276 & SPE_HDR_CONN_TYPE) >>
12277 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012278 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12279 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012280
12281 /* Set validation for iSCSI L2 client before sending SETUP
12282 * ramrod
12283 */
12284 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012285 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012286 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012287 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012288 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012289 (cxt_index * ILT_PAGE_CIDS);
12290 bnx2x_set_ctx_validation(bp,
12291 &bp->context[cxt_index].
12292 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012293 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012294 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012295 }
12296
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012297 /*
12298 * There may be not more than 8 L2, not more than 8 L5 SPEs
12299 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012300 * COMMON ramrods is not more than the EQ and SPQ can
12301 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012302 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012303 if (type == ETH_CONNECTION_TYPE) {
12304 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012305 break;
12306 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012307 atomic_dec(&bp->cq_spq_left);
12308 } else if (type == NONE_CONNECTION_TYPE) {
12309 if (!atomic_read(&bp->eq_spq_left))
12310 break;
12311 else
12312 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012313 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12314 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012315 if (bp->cnic_spq_pending >=
12316 bp->cnic_eth_dev.max_kwqe_pending)
12317 break;
12318 else
12319 bp->cnic_spq_pending++;
12320 } else {
12321 BNX2X_ERR("Unknown SPE type: %d\n", type);
12322 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012323 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012324 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012325
12326 spe = bnx2x_sp_get_next(bp);
12327 *spe = *bp->cnic_kwq_cons;
12328
Merav Sicron51c1a582012-03-18 10:33:38 +000012329 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012330 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12331
12332 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12333 bp->cnic_kwq_cons = bp->cnic_kwq;
12334 else
12335 bp->cnic_kwq_cons++;
12336 }
12337 bnx2x_sp_prod_update(bp);
12338 spin_unlock_bh(&bp->spq_lock);
12339}
12340
12341static int bnx2x_cnic_sp_queue(struct net_device *dev,
12342 struct kwqe_16 *kwqes[], u32 count)
12343{
12344 struct bnx2x *bp = netdev_priv(dev);
12345 int i;
12346
12347#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012348 if (unlikely(bp->panic)) {
12349 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012350 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012351 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012352#endif
12353
Ariel Elior95c6c6162012-01-26 06:01:52 +000012354 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12355 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012356 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012357 return -EAGAIN;
12358 }
12359
Michael Chan993ac7b2009-10-10 13:46:56 +000012360 spin_lock_bh(&bp->spq_lock);
12361
12362 for (i = 0; i < count; i++) {
12363 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12364
12365 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12366 break;
12367
12368 *bp->cnic_kwq_prod = *spe;
12369
12370 bp->cnic_kwq_pending++;
12371
Merav Sicron51c1a582012-03-18 10:33:38 +000012372 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012373 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012374 spe->data.update_data_addr.hi,
12375 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012376 bp->cnic_kwq_pending);
12377
12378 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12379 bp->cnic_kwq_prod = bp->cnic_kwq;
12380 else
12381 bp->cnic_kwq_prod++;
12382 }
12383
12384 spin_unlock_bh(&bp->spq_lock);
12385
12386 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12387 bnx2x_cnic_sp_post(bp, 0);
12388
12389 return i;
12390}
12391
12392static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12393{
12394 struct cnic_ops *c_ops;
12395 int rc = 0;
12396
12397 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012398 c_ops = rcu_dereference_protected(bp->cnic_ops,
12399 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012400 if (c_ops)
12401 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12402 mutex_unlock(&bp->cnic_mutex);
12403
12404 return rc;
12405}
12406
12407static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12408{
12409 struct cnic_ops *c_ops;
12410 int rc = 0;
12411
12412 rcu_read_lock();
12413 c_ops = rcu_dereference(bp->cnic_ops);
12414 if (c_ops)
12415 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12416 rcu_read_unlock();
12417
12418 return rc;
12419}
12420
12421/*
12422 * for commands that have no data
12423 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012424int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012425{
12426 struct cnic_ctl_info ctl = {0};
12427
12428 ctl.cmd = cmd;
12429
12430 return bnx2x_cnic_ctl_send(bp, &ctl);
12431}
12432
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012433static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012434{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012435 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012436
12437 /* first we tell CNIC and only then we count this as a completion */
12438 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12439 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012440 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012441
12442 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012443 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012444}
12445
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012446
12447/* Called with netif_addr_lock_bh() taken.
12448 * Sets an rx_mode config for an iSCSI ETH client.
12449 * Doesn't block.
12450 * Completion should be checked outside.
12451 */
12452static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12453{
12454 unsigned long accept_flags = 0, ramrod_flags = 0;
12455 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12456 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12457
12458 if (start) {
12459 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12460 * because it's the only way for UIO Queue to accept
12461 * multicasts (in non-promiscuous mode only one Queue per
12462 * function will receive multicast packets (leading in our
12463 * case).
12464 */
12465 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12466 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12467 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12468 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12469
12470 /* Clear STOP_PENDING bit if START is requested */
12471 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12472
12473 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12474 } else
12475 /* Clear START_PENDING bit if STOP is requested */
12476 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12477
12478 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12479 set_bit(sched_state, &bp->sp_state);
12480 else {
12481 __set_bit(RAMROD_RX, &ramrod_flags);
12482 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12483 ramrod_flags);
12484 }
12485}
12486
12487
Michael Chan993ac7b2009-10-10 13:46:56 +000012488static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12489{
12490 struct bnx2x *bp = netdev_priv(dev);
12491 int rc = 0;
12492
12493 switch (ctl->cmd) {
12494 case DRV_CTL_CTXTBL_WR_CMD: {
12495 u32 index = ctl->data.io.offset;
12496 dma_addr_t addr = ctl->data.io.dma_addr;
12497
12498 bnx2x_ilt_wr(bp, index, addr);
12499 break;
12500 }
12501
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012502 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12503 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012504
12505 bnx2x_cnic_sp_post(bp, count);
12506 break;
12507 }
12508
12509 /* rtnl_lock is held. */
12510 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012511 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12512 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012513
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012514 /* Configure the iSCSI classification object */
12515 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12516 cp->iscsi_l2_client_id,
12517 cp->iscsi_l2_cid, BP_FUNC(bp),
12518 bnx2x_sp(bp, mac_rdata),
12519 bnx2x_sp_mapping(bp, mac_rdata),
12520 BNX2X_FILTER_MAC_PENDING,
12521 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12522 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012523
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012524 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012525 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12526 if (rc)
12527 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012528
12529 mmiowb();
12530 barrier();
12531
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012532 /* Start accepting on iSCSI L2 ring */
12533
12534 netif_addr_lock_bh(dev);
12535 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12536 netif_addr_unlock_bh(dev);
12537
12538 /* bits to wait on */
12539 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12540 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12541
12542 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12543 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012544
Michael Chan993ac7b2009-10-10 13:46:56 +000012545 break;
12546 }
12547
12548 /* rtnl_lock is held. */
12549 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012550 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012551
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012552 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012553 netif_addr_lock_bh(dev);
12554 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12555 netif_addr_unlock_bh(dev);
12556
12557 /* bits to wait on */
12558 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12559 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12560
12561 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12562 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012563
12564 mmiowb();
12565 barrier();
12566
12567 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012568 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12569 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012570 break;
12571 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012572 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12573 int count = ctl->data.credit.credit_count;
12574
12575 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012576 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012577 smp_mb__after_atomic_inc();
12578 break;
12579 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012580 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012581 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012582
12583 if (CHIP_IS_E3(bp)) {
12584 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012585 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12586 int path = BP_PATH(bp);
12587 int port = BP_PORT(bp);
12588 int i;
12589 u32 scratch_offset;
12590 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012591
Barak Witkowski2e499d32012-06-26 01:31:19 +000012592 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012593 if (ulp_type == CNIC_ULP_ISCSI)
12594 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12595 else if (ulp_type == CNIC_ULP_FCOE)
12596 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12597 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012598
12599 if ((ulp_type != CNIC_ULP_FCOE) ||
12600 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12601 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12602 break;
12603
12604 /* if reached here - should write fcoe capabilities */
12605 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12606 if (!scratch_offset)
12607 break;
12608 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12609 fcoe_features[path][port]);
12610 host_addr = (u32 *) &(ctl->data.register_data.
12611 fcoe_features);
12612 for (i = 0; i < sizeof(struct fcoe_capabilities);
12613 i += 4)
12614 REG_WR(bp, scratch_offset + i,
12615 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012616 }
12617 break;
12618 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012619
Barak Witkowski1d187b32011-12-05 22:41:50 +000012620 case DRV_CTL_ULP_UNREGISTER_CMD: {
12621 int ulp_type = ctl->data.ulp_type;
12622
12623 if (CHIP_IS_E3(bp)) {
12624 int idx = BP_FW_MB_IDX(bp);
12625 u32 cap;
12626
12627 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12628 if (ulp_type == CNIC_ULP_ISCSI)
12629 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12630 else if (ulp_type == CNIC_ULP_FCOE)
12631 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12632 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12633 }
12634 break;
12635 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012636
12637 default:
12638 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12639 rc = -EINVAL;
12640 }
12641
12642 return rc;
12643}
12644
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012645void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012646{
12647 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12648
12649 if (bp->flags & USING_MSIX_FLAG) {
12650 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12651 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12652 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12653 } else {
12654 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12655 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12656 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012657 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012658 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12659 else
12660 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12661
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012662 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12663 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012664 cp->irq_arr[1].status_blk = bp->def_status_blk;
12665 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012666 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012667
12668 cp->num_irq = 2;
12669}
12670
Merav Sicron37ae41a2012-06-19 07:48:27 +000012671void bnx2x_setup_cnic_info(struct bnx2x *bp)
12672{
12673 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12674
12675
12676 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12677 bnx2x_cid_ilt_lines(bp);
12678 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12679 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12680 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12681
12682 if (NO_ISCSI_OOO(bp))
12683 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12684}
12685
Michael Chan993ac7b2009-10-10 13:46:56 +000012686static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12687 void *data)
12688{
12689 struct bnx2x *bp = netdev_priv(dev);
12690 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12691
Merav Sicron51c1a582012-03-18 10:33:38 +000012692 if (ops == NULL) {
12693 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012694 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012695 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012696
Michael Chan993ac7b2009-10-10 13:46:56 +000012697 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12698 if (!bp->cnic_kwq)
12699 return -ENOMEM;
12700
12701 bp->cnic_kwq_cons = bp->cnic_kwq;
12702 bp->cnic_kwq_prod = bp->cnic_kwq;
12703 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12704
12705 bp->cnic_spq_pending = 0;
12706 bp->cnic_kwq_pending = 0;
12707
12708 bp->cnic_data = data;
12709
12710 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012711 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012712 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012713
Michael Chan993ac7b2009-10-10 13:46:56 +000012714 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012715
Michael Chan993ac7b2009-10-10 13:46:56 +000012716 rcu_assign_pointer(bp->cnic_ops, ops);
12717
12718 return 0;
12719}
12720
12721static int bnx2x_unregister_cnic(struct net_device *dev)
12722{
12723 struct bnx2x *bp = netdev_priv(dev);
12724 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12725
12726 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012727 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012728 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012729 mutex_unlock(&bp->cnic_mutex);
12730 synchronize_rcu();
12731 kfree(bp->cnic_kwq);
12732 bp->cnic_kwq = NULL;
12733
12734 return 0;
12735}
12736
12737struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12738{
12739 struct bnx2x *bp = netdev_priv(dev);
12740 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12741
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012742 /* If both iSCSI and FCoE are disabled - return NULL in
12743 * order to indicate CNIC that it should not try to work
12744 * with this device.
12745 */
12746 if (NO_ISCSI(bp) && NO_FCOE(bp))
12747 return NULL;
12748
Michael Chan993ac7b2009-10-10 13:46:56 +000012749 cp->drv_owner = THIS_MODULE;
12750 cp->chip_id = CHIP_ID(bp);
12751 cp->pdev = bp->pdev;
12752 cp->io_base = bp->regview;
12753 cp->io_base2 = bp->doorbells;
12754 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012755 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012756 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12757 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012758 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012759 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012760 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12761 cp->drv_ctl = bnx2x_drv_ctl;
12762 cp->drv_register_cnic = bnx2x_register_cnic;
12763 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012764 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012765 cp->iscsi_l2_client_id =
12766 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012767 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012768
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012769 if (NO_ISCSI_OOO(bp))
12770 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12771
12772 if (NO_ISCSI(bp))
12773 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12774
12775 if (NO_FCOE(bp))
12776 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12777
Merav Sicron51c1a582012-03-18 10:33:38 +000012778 BNX2X_DEV_INFO(
12779 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012780 cp->ctx_blk_size,
12781 cp->ctx_tbl_offset,
12782 cp->ctx_tbl_len,
12783 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012784 return cp;
12785}
12786EXPORT_SYMBOL(bnx2x_cnic_probe);
12787
12788#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012789