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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,
140 BCM57840,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000141 BCM57840_MF,
142 BCM57811,
143 BCM57811_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200144};
145
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700146/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800147static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200148 char *name;
149} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300150 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
151 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
152 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
153 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
154 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
155 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
156 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
157 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
158 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
159 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000160 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
161 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet"},
162 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function"},
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200163};
164
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300165#ifndef PCI_DEVICE_ID_NX2_57710
166#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
167#endif
168#ifndef PCI_DEVICE_ID_NX2_57711
169#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
170#endif
171#ifndef PCI_DEVICE_ID_NX2_57711E
172#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57712
175#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57712_MF
178#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57800
181#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57800_MF
184#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57810
187#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57810_MF
190#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57840
193#define PCI_DEVICE_ID_NX2_57840 CHIP_NUM_57840
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57840_MF
196#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
197#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000198#ifndef PCI_DEVICE_ID_NX2_57811
199#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57811_MF
202#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
203#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000204static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000205 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
206 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
207 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000208 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300209 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
210 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
211 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
212 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
213 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
214 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840), BCM57840 },
215 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000216 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
217 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200218 { 0 }
219};
220
221MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
222
Yuval Mintz452427b2012-03-26 20:47:07 +0000223/* Global resources for unloading a previously loaded device */
224#define BNX2X_PREV_WAIT_NEEDED 1
225static DEFINE_SEMAPHORE(bnx2x_prev_sem);
226static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200227/****************************************************************************
228* General service functions
229****************************************************************************/
230
Eric Dumazet1191cb82012-04-27 21:39:21 +0000231static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300232 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000233{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300234 REG_WR(bp, addr, U64_LO(mapping));
235 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000236}
237
Eric Dumazet1191cb82012-04-27 21:39:21 +0000238static void storm_memset_spq_addr(struct bnx2x *bp,
239 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300240{
241 u32 addr = XSEM_REG_FAST_MEMORY +
242 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
243
244 __storm_memset_dma_mapping(bp, addr, mapping);
245}
246
Eric Dumazet1191cb82012-04-27 21:39:21 +0000247static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
248 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300249{
250 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
251 pf_id);
252 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
253 pf_id);
254 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
255 pf_id);
256 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
257 pf_id);
258}
259
Eric Dumazet1191cb82012-04-27 21:39:21 +0000260static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
261 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300262{
263 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
264 enable);
265 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
266 enable);
267 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
268 enable);
269 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
270 enable);
271}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000272
Eric Dumazet1191cb82012-04-27 21:39:21 +0000273static void storm_memset_eq_data(struct bnx2x *bp,
274 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000275 u16 pfid)
276{
277 size_t size = sizeof(struct event_ring_data);
278
279 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
280
281 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
282}
283
Eric Dumazet1191cb82012-04-27 21:39:21 +0000284static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
285 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000286{
287 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
288 REG_WR16(bp, addr, eq_prod);
289}
290
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200291/* used only at init
292 * locking is done by mcp
293 */
stephen hemminger8d962862010-10-21 07:50:56 +0000294static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200295{
296 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
297 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
298 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
299 PCICFG_VENDOR_ID_OFFSET);
300}
301
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200302static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
303{
304 u32 val;
305
306 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
307 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
308 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
309 PCICFG_VENDOR_ID_OFFSET);
310
311 return val;
312}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200313
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000314#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
315#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
316#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
317#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
318#define DMAE_DP_DST_NONE "dst_addr [none]"
319
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000320
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200321/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000322void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200323{
324 u32 cmd_offset;
325 int i;
326
327 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
328 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
329 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200330 }
331 REG_WR(bp, dmae_reg_go_c[idx], 1);
332}
333
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000334u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
335{
336 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
337 DMAE_CMD_C_ENABLE);
338}
339
340u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
341{
342 return opcode & ~DMAE_CMD_SRC_RESET;
343}
344
345u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
346 bool with_comp, u8 comp_type)
347{
348 u32 opcode = 0;
349
350 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
351 (dst_type << DMAE_COMMAND_DST_SHIFT));
352
353 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
354
355 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400356 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
357 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000358 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
359
360#ifdef __BIG_ENDIAN
361 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
362#else
363 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
364#endif
365 if (with_comp)
366 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
367 return opcode;
368}
369
stephen hemminger8d962862010-10-21 07:50:56 +0000370static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
371 struct dmae_command *dmae,
372 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000373{
374 memset(dmae, 0, sizeof(struct dmae_command));
375
376 /* set the opcode */
377 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
378 true, DMAE_COMP_PCI);
379
380 /* fill in the completion parameters */
381 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
382 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
383 dmae->comp_val = DMAE_COMP_VAL;
384}
385
386/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000387static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
388 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000389{
390 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000391 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000392 int rc = 0;
393
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300394 /*
395 * Lock the dmae channel. Disable BHs to prevent a dead-lock
396 * as long as this code is called both from syscall context and
397 * from ndo_set_rx_mode() flow that may be called from BH.
398 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800399 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000400
401 /* reset completion */
402 *wb_comp = 0;
403
404 /* post the command on the channel used for initializations */
405 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
406
407 /* wait for completion */
408 udelay(5);
409 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000410
Ariel Elior95c6c6162012-01-26 06:01:52 +0000411 if (!cnt ||
412 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
413 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000414 BNX2X_ERR("DMAE timeout!\n");
415 rc = DMAE_TIMEOUT;
416 goto unlock;
417 }
418 cnt--;
419 udelay(50);
420 }
421 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
422 BNX2X_ERR("DMAE PCI error!\n");
423 rc = DMAE_PCI_ERROR;
424 }
425
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000426unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800427 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000428 return rc;
429}
430
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700431void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
432 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200433{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000434 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700435
436 if (!bp->dmae_ready) {
437 u32 *data = bnx2x_sp(bp, wb_data[0]);
438
Ariel Elior127a4252012-01-26 06:01:46 +0000439 if (CHIP_IS_E1(bp))
440 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
441 else
442 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700443 return;
444 }
445
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000446 /* set opcode and fixed command fields */
447 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200448
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000449 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000450 dmae.src_addr_lo = U64_LO(dma_addr);
451 dmae.src_addr_hi = U64_HI(dma_addr);
452 dmae.dst_addr_lo = dst_addr >> 2;
453 dmae.dst_addr_hi = 0;
454 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200455
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000456 /* issue the command and wait for completion */
457 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200458}
459
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700460void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200461{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000462 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700463
464 if (!bp->dmae_ready) {
465 u32 *data = bnx2x_sp(bp, wb_data[0]);
466 int i;
467
Merav Sicron51c1a582012-03-18 10:33:38 +0000468 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000469 for (i = 0; i < len32; i++)
470 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000471 else
Ariel Elior127a4252012-01-26 06:01:46 +0000472 for (i = 0; i < len32; i++)
473 data[i] = REG_RD(bp, src_addr + i*4);
474
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700475 return;
476 }
477
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000478 /* set opcode and fixed command fields */
479 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200480
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000481 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000482 dmae.src_addr_lo = src_addr >> 2;
483 dmae.src_addr_hi = 0;
484 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
485 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
486 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000488 /* issue the command and wait for completion */
489 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200490}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200491
stephen hemminger8d962862010-10-21 07:50:56 +0000492static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
493 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000494{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000495 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000496 int offset = 0;
497
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000498 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000499 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000500 addr + offset, dmae_wr_max);
501 offset += dmae_wr_max * 4;
502 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000503 }
504
505 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
506}
507
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508static int bnx2x_mc_assert(struct bnx2x *bp)
509{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700511 int i, rc = 0;
512 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700514 /* XSTORM */
515 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
516 XSTORM_ASSERT_LIST_INDEX_OFFSET);
517 if (last_idx)
518 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200519
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700520 /* print the asserts */
521 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200522
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700523 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
524 XSTORM_ASSERT_LIST_OFFSET(i));
525 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
526 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
527 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
528 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
529 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
530 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200531
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700532 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000533 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700534 i, row3, row2, row1, row0);
535 rc++;
536 } else {
537 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200538 }
539 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700540
541 /* TSTORM */
542 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
543 TSTORM_ASSERT_LIST_INDEX_OFFSET);
544 if (last_idx)
545 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
546
547 /* print the asserts */
548 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
549
550 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
551 TSTORM_ASSERT_LIST_OFFSET(i));
552 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
553 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
554 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
555 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
556 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
557 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
558
559 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000560 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700561 i, row3, row2, row1, row0);
562 rc++;
563 } else {
564 break;
565 }
566 }
567
568 /* CSTORM */
569 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
570 CSTORM_ASSERT_LIST_INDEX_OFFSET);
571 if (last_idx)
572 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
573
574 /* print the asserts */
575 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
576
577 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
578 CSTORM_ASSERT_LIST_OFFSET(i));
579 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
580 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
581 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
582 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
583 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
584 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
585
586 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000587 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700588 i, row3, row2, row1, row0);
589 rc++;
590 } else {
591 break;
592 }
593 }
594
595 /* USTORM */
596 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
597 USTORM_ASSERT_LIST_INDEX_OFFSET);
598 if (last_idx)
599 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
600
601 /* print the asserts */
602 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
603
604 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
605 USTORM_ASSERT_LIST_OFFSET(i));
606 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
607 USTORM_ASSERT_LIST_OFFSET(i) + 4);
608 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
609 USTORM_ASSERT_LIST_OFFSET(i) + 8);
610 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
611 USTORM_ASSERT_LIST_OFFSET(i) + 12);
612
613 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000614 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700615 i, row3, row2, row1, row0);
616 rc++;
617 } else {
618 break;
619 }
620 }
621
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200622 return rc;
623}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800624
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000625void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000627 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200628 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000629 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200630 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000632 if (BP_NOMCP(bp)) {
633 BNX2X_ERR("NO MCP - can not dump\n");
634 return;
635 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000636 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
637 (bp->common.bc_ver & 0xff0000) >> 16,
638 (bp->common.bc_ver & 0xff00) >> 8,
639 (bp->common.bc_ver & 0xff));
640
641 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
642 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000643 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000644
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000645 if (BP_PATH(bp) == 0)
646 trace_shmem_base = bp->common.shmem_base;
647 else
648 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000649 addr = trace_shmem_base - 0x800;
650
651 /* validate TRCB signature */
652 mark = REG_RD(bp, addr);
653 if (mark != MFW_TRACE_SIGNATURE) {
654 BNX2X_ERR("Trace buffer signature is missing.");
655 return ;
656 }
657
658 /* read cyclic buffer pointer */
659 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000660 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000661 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
662 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000663 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000665 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000666 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200667 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000668 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200669 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000670 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000672 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000674 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200675 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000676 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000678 printk("%s" "end of fw dump\n", lvl);
679}
680
Eric Dumazet1191cb82012-04-27 21:39:21 +0000681static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000682{
683 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684}
685
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000686void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200687{
688 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000689 u16 j;
690 struct hc_sp_status_block_data sp_sb_data;
691 int func = BP_FUNC(bp);
692#ifdef BNX2X_STOP_ON_ERROR
693 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000694 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000695#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200696
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700697 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000698 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700699 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
700
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200701 BNX2X_ERR("begin crash dump -----------------\n");
702
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000703 /* Indices */
704 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000705 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 +0300706 bp->def_idx, bp->def_att_idx, bp->attn_state,
707 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000708 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
709 bp->def_status_blk->atten_status_block.attn_bits,
710 bp->def_status_blk->atten_status_block.attn_bits_ack,
711 bp->def_status_blk->atten_status_block.status_block_id,
712 bp->def_status_blk->atten_status_block.attn_bits_index);
713 BNX2X_ERR(" def (");
714 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
715 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000716 bp->def_status_blk->sp_sb.index_values[i],
717 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000718
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000719 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
720 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
721 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
722 i*sizeof(u32));
723
Joe Perchesf1deab52011-08-14 12:16:21 +0000724 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 +0000725 sp_sb_data.igu_sb_id,
726 sp_sb_data.igu_seg_id,
727 sp_sb_data.p_func.pf_id,
728 sp_sb_data.p_func.vnic_id,
729 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300730 sp_sb_data.p_func.vf_valid,
731 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000732
733
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000734 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000735 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000736 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000737 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000738 struct hc_status_block_data_e1x sb_data_e1x;
739 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300740 CHIP_IS_E1x(bp) ?
741 sb_data_e1x.common.state_machine :
742 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000743 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300744 CHIP_IS_E1x(bp) ?
745 sb_data_e1x.index_data :
746 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000747 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000748 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000749 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000750
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000751 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000752 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 +0000753 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000754 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000755 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000756 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 +0000757 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000758 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000759
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000760 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000761 for_each_cos_in_tx_queue(fp, cos)
762 {
Merav Sicron65565882012-06-19 07:48:26 +0000763 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000764 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 +0000765 i, txdata.tx_pkt_prod,
766 txdata.tx_pkt_cons, txdata.tx_bd_prod,
767 txdata.tx_bd_cons,
768 le16_to_cpu(*txdata.tx_cons_sb));
769 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300771 loop = CHIP_IS_E1x(bp) ?
772 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000773
774 /* host sb data */
775
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000776#ifdef BCM_CNIC
777 if (IS_FCOE_FP(fp))
778 continue;
779#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000780 BNX2X_ERR(" run indexes (");
781 for (j = 0; j < HC_SB_MAX_SM; j++)
782 pr_cont("0x%x%s",
783 fp->sb_running_index[j],
784 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
785
786 BNX2X_ERR(" indexes (");
787 for (j = 0; j < loop; j++)
788 pr_cont("0x%x%s",
789 fp->sb_index_values[j],
790 (j == loop - 1) ? ")" : " ");
791 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300792 data_size = CHIP_IS_E1x(bp) ?
793 sizeof(struct hc_status_block_data_e1x) :
794 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000795 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300796 sb_data_p = CHIP_IS_E1x(bp) ?
797 (u32 *)&sb_data_e1x :
798 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000799 /* copy sb data in here */
800 for (j = 0; j < data_size; j++)
801 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
802 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
803 j * sizeof(u32));
804
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300805 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000806 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 +0000807 sb_data_e2.common.p_func.pf_id,
808 sb_data_e2.common.p_func.vf_id,
809 sb_data_e2.common.p_func.vf_valid,
810 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300811 sb_data_e2.common.same_igu_sb_1b,
812 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000813 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000814 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 +0000815 sb_data_e1x.common.p_func.pf_id,
816 sb_data_e1x.common.p_func.vf_id,
817 sb_data_e1x.common.p_func.vf_valid,
818 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300819 sb_data_e1x.common.same_igu_sb_1b,
820 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000821 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000822
823 /* SB_SMs data */
824 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000825 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",
826 j, hc_sm_p[j].__flags,
827 hc_sm_p[j].igu_sb_id,
828 hc_sm_p[j].igu_seg_id,
829 hc_sm_p[j].time_to_expire,
830 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000831 }
832
833 /* Indecies data */
834 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000835 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000836 hc_index_p[j].flags,
837 hc_index_p[j].timeout);
838 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000839 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000841#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000842 /* Rings */
843 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000844 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000845 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200846
847 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
848 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000849 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200850 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
851 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
852
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000853 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000854 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200855 }
856
Eilon Greenstein3196a882008-08-13 15:58:49 -0700857 start = RX_SGE(fp->rx_sge_prod);
858 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000859 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700860 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
861 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
862
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000863 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
864 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700865 }
866
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 start = RCQ_BD(fp->rx_comp_cons - 10);
868 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000869 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
871
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000872 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
873 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200874 }
875 }
876
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000877 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000878 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000879 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000880 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +0000881 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000882
Ariel Elior6383c0b2011-07-14 08:31:57 +0000883 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
884 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
885 for (j = start; j != end; j = TX_BD(j + 1)) {
886 struct sw_tx_bd *sw_bd =
887 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000888
Merav Sicron51c1a582012-03-18 10:33:38 +0000889 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000890 i, cos, j, sw_bd->skb,
891 sw_bd->first_bd);
892 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000893
Ariel Elior6383c0b2011-07-14 08:31:57 +0000894 start = TX_BD(txdata->tx_bd_cons - 10);
895 end = TX_BD(txdata->tx_bd_cons + 254);
896 for (j = start; j != end; j = TX_BD(j + 1)) {
897 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000898
Merav Sicron51c1a582012-03-18 10:33:38 +0000899 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000900 i, cos, j, tx_bd[0], tx_bd[1],
901 tx_bd[2], tx_bd[3]);
902 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000903 }
904 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000905#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700906 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200907 bnx2x_mc_assert(bp);
908 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200909}
910
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300911/*
912 * FLR Support for E2
913 *
914 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
915 * initialization.
916 */
917#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000918#define FLR_WAIT_INTERVAL 50 /* usec */
919#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300920
921struct pbf_pN_buf_regs {
922 int pN;
923 u32 init_crd;
924 u32 crd;
925 u32 crd_freed;
926};
927
928struct pbf_pN_cmd_regs {
929 int pN;
930 u32 lines_occup;
931 u32 lines_freed;
932};
933
934static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
935 struct pbf_pN_buf_regs *regs,
936 u32 poll_count)
937{
938 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
939 u32 cur_cnt = poll_count;
940
941 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
942 crd = crd_start = REG_RD(bp, regs->crd);
943 init_crd = REG_RD(bp, regs->init_crd);
944
945 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
946 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
947 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
948
949 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
950 (init_crd - crd_start))) {
951 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000952 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300953 crd = REG_RD(bp, regs->crd);
954 crd_freed = REG_RD(bp, regs->crd_freed);
955 } else {
956 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
957 regs->pN);
958 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
959 regs->pN, crd);
960 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
961 regs->pN, crd_freed);
962 break;
963 }
964 }
965 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000966 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300967}
968
969static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
970 struct pbf_pN_cmd_regs *regs,
971 u32 poll_count)
972{
973 u32 occup, to_free, freed, freed_start;
974 u32 cur_cnt = poll_count;
975
976 occup = to_free = REG_RD(bp, regs->lines_occup);
977 freed = freed_start = REG_RD(bp, regs->lines_freed);
978
979 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
980 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
981
982 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
983 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000984 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300985 occup = REG_RD(bp, regs->lines_occup);
986 freed = REG_RD(bp, regs->lines_freed);
987 } else {
988 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
989 regs->pN);
990 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
991 regs->pN, occup);
992 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
993 regs->pN, freed);
994 break;
995 }
996 }
997 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000998 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300999}
1000
Eric Dumazet1191cb82012-04-27 21:39:21 +00001001static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1002 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001003{
1004 u32 cur_cnt = poll_count;
1005 u32 val;
1006
1007 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001008 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001009
1010 return val;
1011}
1012
Eric Dumazet1191cb82012-04-27 21:39:21 +00001013static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1014 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001015{
1016 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1017 if (val != 0) {
1018 BNX2X_ERR("%s usage count=%d\n", msg, val);
1019 return 1;
1020 }
1021 return 0;
1022}
1023
1024static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1025{
1026 /* adjust polling timeout */
1027 if (CHIP_REV_IS_EMUL(bp))
1028 return FLR_POLL_CNT * 2000;
1029
1030 if (CHIP_REV_IS_FPGA(bp))
1031 return FLR_POLL_CNT * 120;
1032
1033 return FLR_POLL_CNT;
1034}
1035
1036static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1037{
1038 struct pbf_pN_cmd_regs cmd_regs[] = {
1039 {0, (CHIP_IS_E3B0(bp)) ?
1040 PBF_REG_TQ_OCCUPANCY_Q0 :
1041 PBF_REG_P0_TQ_OCCUPANCY,
1042 (CHIP_IS_E3B0(bp)) ?
1043 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1044 PBF_REG_P0_TQ_LINES_FREED_CNT},
1045 {1, (CHIP_IS_E3B0(bp)) ?
1046 PBF_REG_TQ_OCCUPANCY_Q1 :
1047 PBF_REG_P1_TQ_OCCUPANCY,
1048 (CHIP_IS_E3B0(bp)) ?
1049 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1050 PBF_REG_P1_TQ_LINES_FREED_CNT},
1051 {4, (CHIP_IS_E3B0(bp)) ?
1052 PBF_REG_TQ_OCCUPANCY_LB_Q :
1053 PBF_REG_P4_TQ_OCCUPANCY,
1054 (CHIP_IS_E3B0(bp)) ?
1055 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1056 PBF_REG_P4_TQ_LINES_FREED_CNT}
1057 };
1058
1059 struct pbf_pN_buf_regs buf_regs[] = {
1060 {0, (CHIP_IS_E3B0(bp)) ?
1061 PBF_REG_INIT_CRD_Q0 :
1062 PBF_REG_P0_INIT_CRD ,
1063 (CHIP_IS_E3B0(bp)) ?
1064 PBF_REG_CREDIT_Q0 :
1065 PBF_REG_P0_CREDIT,
1066 (CHIP_IS_E3B0(bp)) ?
1067 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1068 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1069 {1, (CHIP_IS_E3B0(bp)) ?
1070 PBF_REG_INIT_CRD_Q1 :
1071 PBF_REG_P1_INIT_CRD,
1072 (CHIP_IS_E3B0(bp)) ?
1073 PBF_REG_CREDIT_Q1 :
1074 PBF_REG_P1_CREDIT,
1075 (CHIP_IS_E3B0(bp)) ?
1076 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1077 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1078 {4, (CHIP_IS_E3B0(bp)) ?
1079 PBF_REG_INIT_CRD_LB_Q :
1080 PBF_REG_P4_INIT_CRD,
1081 (CHIP_IS_E3B0(bp)) ?
1082 PBF_REG_CREDIT_LB_Q :
1083 PBF_REG_P4_CREDIT,
1084 (CHIP_IS_E3B0(bp)) ?
1085 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1086 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1087 };
1088
1089 int i;
1090
1091 /* Verify the command queues are flushed P0, P1, P4 */
1092 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1093 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1094
1095
1096 /* Verify the transmission buffers are flushed P0, P1, P4 */
1097 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1098 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1099}
1100
1101#define OP_GEN_PARAM(param) \
1102 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1103
1104#define OP_GEN_TYPE(type) \
1105 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1106
1107#define OP_GEN_AGG_VECT(index) \
1108 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1109
1110
Eric Dumazet1191cb82012-04-27 21:39:21 +00001111static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001112 u32 poll_cnt)
1113{
1114 struct sdm_op_gen op_gen = {0};
1115
1116 u32 comp_addr = BAR_CSTRORM_INTMEM +
1117 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1118 int ret = 0;
1119
1120 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001121 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001122 return 1;
1123 }
1124
1125 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1126 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1127 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1128 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1129
Ariel Elior89db4ad2012-01-26 06:01:48 +00001130 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001131 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1132
1133 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1134 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001135 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1136 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001137 ret = 1;
1138 }
1139 /* Zero completion for nxt FLR */
1140 REG_WR(bp, comp_addr, 0);
1141
1142 return ret;
1143}
1144
Eric Dumazet1191cb82012-04-27 21:39:21 +00001145static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001146{
1147 int pos;
1148 u16 status;
1149
Jon Mason77c98e62011-06-27 07:45:12 +00001150 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001151 if (!pos)
1152 return false;
1153
1154 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1155 return status & PCI_EXP_DEVSTA_TRPND;
1156}
1157
1158/* PF FLR specific routines
1159*/
1160static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1161{
1162
1163 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1164 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1165 CFC_REG_NUM_LCIDS_INSIDE_PF,
1166 "CFC PF usage counter timed out",
1167 poll_cnt))
1168 return 1;
1169
1170
1171 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1172 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1173 DORQ_REG_PF_USAGE_CNT,
1174 "DQ PF usage counter timed out",
1175 poll_cnt))
1176 return 1;
1177
1178 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1179 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1180 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1181 "QM PF usage counter timed out",
1182 poll_cnt))
1183 return 1;
1184
1185 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1186 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1187 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1188 "Timers VNIC usage counter timed out",
1189 poll_cnt))
1190 return 1;
1191 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1192 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1193 "Timers NUM_SCANS usage counter timed out",
1194 poll_cnt))
1195 return 1;
1196
1197 /* Wait DMAE PF usage counter to zero */
1198 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1199 dmae_reg_go_c[INIT_DMAE_C(bp)],
1200 "DMAE dommand register timed out",
1201 poll_cnt))
1202 return 1;
1203
1204 return 0;
1205}
1206
1207static void bnx2x_hw_enable_status(struct bnx2x *bp)
1208{
1209 u32 val;
1210
1211 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1212 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1213
1214 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1215 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1216
1217 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1218 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1219
1220 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1221 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1222
1223 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1224 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1225
1226 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1227 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1228
1229 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1230 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1231
1232 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1233 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1234 val);
1235}
1236
1237static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1238{
1239 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1240
1241 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1242
1243 /* Re-enable PF target read access */
1244 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1245
1246 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001247 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001248 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1249 return -EBUSY;
1250
1251 /* Zero the igu 'trailing edge' and 'leading edge' */
1252
1253 /* Send the FW cleanup command */
1254 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1255 return -EBUSY;
1256
1257 /* ATC cleanup */
1258
1259 /* Verify TX hw is flushed */
1260 bnx2x_tx_hw_flushed(bp, poll_cnt);
1261
1262 /* Wait 100ms (not adjusted according to platform) */
1263 msleep(100);
1264
1265 /* Verify no pending pci transactions */
1266 if (bnx2x_is_pcie_pending(bp->pdev))
1267 BNX2X_ERR("PCIE Transactions still pending\n");
1268
1269 /* Debug */
1270 bnx2x_hw_enable_status(bp);
1271
1272 /*
1273 * Master enable - Due to WB DMAE writes performed before this
1274 * register is re-initialized as part of the regular function init
1275 */
1276 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1277
1278 return 0;
1279}
1280
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001281static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001282{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001283 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001284 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1285 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001286 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1287 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1288 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001289
1290 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001291 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1292 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001293 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1294 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001295 if (single_msix)
1296 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001297 } else if (msi) {
1298 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1299 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1300 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1301 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302 } else {
1303 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001304 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001305 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1306 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001307
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001308 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001309 DP(NETIF_MSG_IFUP,
1310 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001311
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001312 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001313
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001314 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1315 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001316 }
1317
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001318 if (CHIP_IS_E1(bp))
1319 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1320
Merav Sicron51c1a582012-03-18 10:33:38 +00001321 DP(NETIF_MSG_IFUP,
1322 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1323 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001324
1325 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001326 /*
1327 * Ensure that HC_CONFIG is written before leading/trailing edge config
1328 */
1329 mmiowb();
1330 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001332 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001333 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001334 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001335 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001336 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001337 /* enable nig and gpio3 attention */
1338 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001339 } else
1340 val = 0xffff;
1341
1342 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1343 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1344 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001345
1346 /* Make sure that interrupts are indeed enabled from here on */
1347 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001348}
1349
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001350static void bnx2x_igu_int_enable(struct bnx2x *bp)
1351{
1352 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001353 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1354 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1355 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001356
1357 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1358
1359 if (msix) {
1360 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1361 IGU_PF_CONF_SINGLE_ISR_EN);
1362 val |= (IGU_PF_CONF_FUNC_EN |
1363 IGU_PF_CONF_MSI_MSIX_EN |
1364 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001365
1366 if (single_msix)
1367 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001368 } else if (msi) {
1369 val &= ~IGU_PF_CONF_INT_LINE_EN;
1370 val |= (IGU_PF_CONF_FUNC_EN |
1371 IGU_PF_CONF_MSI_MSIX_EN |
1372 IGU_PF_CONF_ATTN_BIT_EN |
1373 IGU_PF_CONF_SINGLE_ISR_EN);
1374 } else {
1375 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1376 val |= (IGU_PF_CONF_FUNC_EN |
1377 IGU_PF_CONF_INT_LINE_EN |
1378 IGU_PF_CONF_ATTN_BIT_EN |
1379 IGU_PF_CONF_SINGLE_ISR_EN);
1380 }
1381
Merav Sicron51c1a582012-03-18 10:33:38 +00001382 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001383 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1384
1385 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1386
Yuval Mintz79a85572012-04-03 18:41:25 +00001387 if (val & IGU_PF_CONF_INT_LINE_EN)
1388 pci_intx(bp->pdev, true);
1389
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001390 barrier();
1391
1392 /* init leading/trailing edge */
1393 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001394 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001395 if (bp->port.pmf)
1396 /* enable nig and gpio3 attention */
1397 val |= 0x1100;
1398 } else
1399 val = 0xffff;
1400
1401 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1402 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1403
1404 /* Make sure that interrupts are indeed enabled from here on */
1405 mmiowb();
1406}
1407
1408void bnx2x_int_enable(struct bnx2x *bp)
1409{
1410 if (bp->common.int_block == INT_BLOCK_HC)
1411 bnx2x_hc_int_enable(bp);
1412 else
1413 bnx2x_igu_int_enable(bp);
1414}
1415
1416static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001417{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001418 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001419 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1420 u32 val = REG_RD(bp, addr);
1421
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001422 /*
1423 * in E1 we must use only PCI configuration space to disable
1424 * MSI/MSIX capablility
1425 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1426 */
1427 if (CHIP_IS_E1(bp)) {
1428 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1429 * Use mask register to prevent from HC sending interrupts
1430 * after we exit the function
1431 */
1432 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1433
1434 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1435 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1436 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1437 } else
1438 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1439 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1440 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1441 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001442
Merav Sicron51c1a582012-03-18 10:33:38 +00001443 DP(NETIF_MSG_IFDOWN,
1444 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001445 val, port, addr);
1446
Eilon Greenstein8badd272009-02-12 08:36:15 +00001447 /* flush all outstanding writes */
1448 mmiowb();
1449
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001450 REG_WR(bp, addr, val);
1451 if (REG_RD(bp, addr) != val)
1452 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1453}
1454
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001455static void bnx2x_igu_int_disable(struct bnx2x *bp)
1456{
1457 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1458
1459 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1460 IGU_PF_CONF_INT_LINE_EN |
1461 IGU_PF_CONF_ATTN_BIT_EN);
1462
Merav Sicron51c1a582012-03-18 10:33:38 +00001463 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001464
1465 /* flush all outstanding writes */
1466 mmiowb();
1467
1468 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1469 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1470 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1471}
1472
Ariel Elior6383c0b2011-07-14 08:31:57 +00001473void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001474{
1475 if (bp->common.int_block == INT_BLOCK_HC)
1476 bnx2x_hc_int_disable(bp);
1477 else
1478 bnx2x_igu_int_disable(bp);
1479}
1480
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001481void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001482{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001483 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001484 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001485
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001486 if (disable_hw)
1487 /* prevent the HW from sending interrupts */
1488 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001489
1490 /* make sure all ISRs are done */
1491 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001492 synchronize_irq(bp->msix_table[0].vector);
1493 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001494#ifdef BCM_CNIC
1495 offset++;
1496#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001497 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001498 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001499 } else
1500 synchronize_irq(bp->pdev->irq);
1501
1502 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001503 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001504 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001505 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001506}
1507
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001508/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001509
1510/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001511 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001512 */
1513
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001514/* Return true if succeeded to acquire the lock */
1515static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1516{
1517 u32 lock_status;
1518 u32 resource_bit = (1 << resource);
1519 int func = BP_FUNC(bp);
1520 u32 hw_lock_control_reg;
1521
Merav Sicron51c1a582012-03-18 10:33:38 +00001522 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1523 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001524
1525 /* Validating that the resource is within range */
1526 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001527 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001528 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1529 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001530 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001531 }
1532
1533 if (func <= 5)
1534 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1535 else
1536 hw_lock_control_reg =
1537 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1538
1539 /* Try to acquire the lock */
1540 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1541 lock_status = REG_RD(bp, hw_lock_control_reg);
1542 if (lock_status & resource_bit)
1543 return true;
1544
Merav Sicron51c1a582012-03-18 10:33:38 +00001545 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1546 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001547 return false;
1548}
1549
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001550/**
1551 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1552 *
1553 * @bp: driver handle
1554 *
1555 * Returns the recovery leader resource id according to the engine this function
1556 * belongs to. Currently only only 2 engines is supported.
1557 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001558static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001559{
1560 if (BP_PATH(bp))
1561 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1562 else
1563 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1564}
1565
1566/**
1567 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1568 *
1569 * @bp: driver handle
1570 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001571 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001572 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001573static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001574{
1575 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1576}
1577
Michael Chan993ac7b2009-10-10 13:46:56 +00001578#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001579static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001580#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001581
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001582void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001583{
1584 struct bnx2x *bp = fp->bp;
1585 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1586 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001587 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001588 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001589
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001590 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001591 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001592 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001593 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001594
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001595 switch (command) {
1596 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001597 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001598 drv_cmd = BNX2X_Q_CMD_UPDATE;
1599 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001600
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001601 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001602 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001603 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001604 break;
1605
Ariel Elior6383c0b2011-07-14 08:31:57 +00001606 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001607 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001608 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1609 break;
1610
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001611 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001612 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001613 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001614 break;
1615
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001616 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001617 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001618 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1619 break;
1620
1621 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001622 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001623 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001624 break;
1625
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001626 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001627 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1628 command, fp->index);
1629 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001630 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001631
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001632 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1633 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1634 /* q_obj->complete_cmd() failure means that this was
1635 * an unexpected completion.
1636 *
1637 * In this case we don't want to increase the bp->spq_left
1638 * because apparently we haven't sent this command the first
1639 * place.
1640 */
1641#ifdef BNX2X_STOP_ON_ERROR
1642 bnx2x_panic();
1643#else
1644 return;
1645#endif
1646
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001647 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001648 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001649 /* push the change in bp->spq_left and towards the memory */
1650 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001651
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001652 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1653
Barak Witkowskia3348722012-04-23 03:04:46 +00001654 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1655 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1656 /* if Q update ramrod is completed for last Q in AFEX vif set
1657 * flow, then ACK MCP at the end
1658 *
1659 * mark pending ACK to MCP bit.
1660 * prevent case that both bits are cleared.
1661 * At the end of load/unload driver checks that
1662 * sp_state is cleaerd, and this order prevents
1663 * races
1664 */
1665 smp_mb__before_clear_bit();
1666 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1667 wmb();
1668 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1669 smp_mb__after_clear_bit();
1670
1671 /* schedule workqueue to send ack to MCP */
1672 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1673 }
1674
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001675 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001676}
1677
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001678void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1679 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1680{
1681 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1682
1683 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1684 start);
1685}
1686
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001687irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001688{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001689 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001690 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001691 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001692 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001693 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001695 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001696 if (unlikely(status == 0)) {
1697 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1698 return IRQ_NONE;
1699 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001700 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001701
Eilon Greenstein3196a882008-08-13 15:58:49 -07001702#ifdef BNX2X_STOP_ON_ERROR
1703 if (unlikely(bp->panic))
1704 return IRQ_HANDLED;
1705#endif
1706
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001707 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001708 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001709
Ariel Elior6383c0b2011-07-14 08:31:57 +00001710 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001711 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001712 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001713 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001714 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001715 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001716 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001717 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001718 status &= ~mask;
1719 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001720 }
1721
Michael Chan993ac7b2009-10-10 13:46:56 +00001722#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001723 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001724 if (status & (mask | 0x1)) {
1725 struct cnic_ops *c_ops = NULL;
1726
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001727 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1728 rcu_read_lock();
1729 c_ops = rcu_dereference(bp->cnic_ops);
1730 if (c_ops)
1731 c_ops->cnic_handler(bp->cnic_data, NULL);
1732 rcu_read_unlock();
1733 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001734
1735 status &= ~mask;
1736 }
1737#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001738
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001739 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001740 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001741
1742 status &= ~0x1;
1743 if (!status)
1744 return IRQ_HANDLED;
1745 }
1746
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001747 if (unlikely(status))
1748 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001749 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001750
1751 return IRQ_HANDLED;
1752}
1753
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001754/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001755
1756/*
1757 * General service functions
1758 */
1759
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001760int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001761{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001762 u32 lock_status;
1763 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001764 int func = BP_FUNC(bp);
1765 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001766 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001767
1768 /* Validating that the resource is within range */
1769 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001770 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001771 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1772 return -EINVAL;
1773 }
1774
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001775 if (func <= 5) {
1776 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1777 } else {
1778 hw_lock_control_reg =
1779 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1780 }
1781
Eliezer Tamirf1410642008-02-28 11:51:50 -08001782 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001783 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001784 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001785 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001786 lock_status, resource_bit);
1787 return -EEXIST;
1788 }
1789
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001790 /* Try for 5 second every 5ms */
1791 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001793 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1794 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001795 if (lock_status & resource_bit)
1796 return 0;
1797
1798 msleep(5);
1799 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001800 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001801 return -EAGAIN;
1802}
1803
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001804int bnx2x_release_leader_lock(struct bnx2x *bp)
1805{
1806 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1807}
1808
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001809int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001810{
1811 u32 lock_status;
1812 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001813 int func = BP_FUNC(bp);
1814 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001815
1816 /* Validating that the resource is within range */
1817 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001818 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001819 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1820 return -EINVAL;
1821 }
1822
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001823 if (func <= 5) {
1824 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1825 } else {
1826 hw_lock_control_reg =
1827 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1828 }
1829
Eliezer Tamirf1410642008-02-28 11:51:50 -08001830 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001831 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001832 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001833 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 -08001834 lock_status, resource_bit);
1835 return -EFAULT;
1836 }
1837
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001838 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001839 return 0;
1840}
1841
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001842
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001843int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1844{
1845 /* The GPIO should be swapped if swap register is set and active */
1846 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1847 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1848 int gpio_shift = gpio_num +
1849 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1850 u32 gpio_mask = (1 << gpio_shift);
1851 u32 gpio_reg;
1852 int value;
1853
1854 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1855 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1856 return -EINVAL;
1857 }
1858
1859 /* read GPIO value */
1860 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1861
1862 /* get the requested pin value */
1863 if ((gpio_reg & gpio_mask) == gpio_mask)
1864 value = 1;
1865 else
1866 value = 0;
1867
1868 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1869
1870 return value;
1871}
1872
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001873int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001874{
1875 /* The GPIO should be swapped if swap register is set and active */
1876 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001877 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001878 int gpio_shift = gpio_num +
1879 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1880 u32 gpio_mask = (1 << gpio_shift);
1881 u32 gpio_reg;
1882
1883 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1884 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1885 return -EINVAL;
1886 }
1887
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001888 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001889 /* read GPIO and mask except the float bits */
1890 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1891
1892 switch (mode) {
1893 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001894 DP(NETIF_MSG_LINK,
1895 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 gpio_num, gpio_shift);
1897 /* clear FLOAT and set CLR */
1898 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1899 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1900 break;
1901
1902 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001903 DP(NETIF_MSG_LINK,
1904 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001905 gpio_num, gpio_shift);
1906 /* clear FLOAT and set SET */
1907 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1908 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1909 break;
1910
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001911 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001912 DP(NETIF_MSG_LINK,
1913 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001914 gpio_num, gpio_shift);
1915 /* set FLOAT */
1916 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1917 break;
1918
1919 default:
1920 break;
1921 }
1922
1923 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001924 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001925
1926 return 0;
1927}
1928
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001929int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1930{
1931 u32 gpio_reg = 0;
1932 int rc = 0;
1933
1934 /* Any port swapping should be handled by caller. */
1935
1936 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1937 /* read GPIO and mask except the float bits */
1938 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1939 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1940 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1941 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1942
1943 switch (mode) {
1944 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1945 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1946 /* set CLR */
1947 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1948 break;
1949
1950 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1951 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1952 /* set SET */
1953 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1954 break;
1955
1956 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1957 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1958 /* set FLOAT */
1959 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1960 break;
1961
1962 default:
1963 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1964 rc = -EINVAL;
1965 break;
1966 }
1967
1968 if (rc == 0)
1969 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1970
1971 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1972
1973 return rc;
1974}
1975
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001976int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1977{
1978 /* The GPIO should be swapped if swap register is set and active */
1979 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1980 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1981 int gpio_shift = gpio_num +
1982 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1983 u32 gpio_mask = (1 << gpio_shift);
1984 u32 gpio_reg;
1985
1986 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1987 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1988 return -EINVAL;
1989 }
1990
1991 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1992 /* read GPIO int */
1993 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1994
1995 switch (mode) {
1996 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00001997 DP(NETIF_MSG_LINK,
1998 "Clear GPIO INT %d (shift %d) -> output low\n",
1999 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002000 /* clear SET and set CLR */
2001 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2002 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2003 break;
2004
2005 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002006 DP(NETIF_MSG_LINK,
2007 "Set GPIO INT %d (shift %d) -> output high\n",
2008 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002009 /* clear CLR and set SET */
2010 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2011 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2012 break;
2013
2014 default:
2015 break;
2016 }
2017
2018 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2019 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2020
2021 return 0;
2022}
2023
Eliezer Tamirf1410642008-02-28 11:51:50 -08002024static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2025{
2026 u32 spio_mask = (1 << spio_num);
2027 u32 spio_reg;
2028
2029 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2030 (spio_num > MISC_REGISTERS_SPIO_7)) {
2031 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2032 return -EINVAL;
2033 }
2034
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002035 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002036 /* read SPIO and mask except the float bits */
2037 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2038
2039 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002040 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002041 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002042 /* clear FLOAT and set CLR */
2043 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2044 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2045 break;
2046
Eilon Greenstein6378c022008-08-13 15:59:25 -07002047 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002048 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002049 /* clear FLOAT and set SET */
2050 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2051 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2052 break;
2053
2054 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002055 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002056 /* set FLOAT */
2057 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2058 break;
2059
2060 default:
2061 break;
2062 }
2063
2064 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002065 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002066
2067 return 0;
2068}
2069
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002070void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002071{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002072 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002073 switch (bp->link_vars.ieee_fc &
2074 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002075 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002076 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002077 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002078 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002079
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002080 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002081 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002082 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002083 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002084
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002085 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002086 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002087 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002088
Eliezer Tamirf1410642008-02-28 11:51:50 -08002089 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002090 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002091 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002092 break;
2093 }
2094}
2095
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002096u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002097{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002098 if (!BP_NOMCP(bp)) {
2099 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002100 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2101 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002102 /*
2103 * Initialize link parameters structure variables
2104 * It is recommended to turn off RX FC for jumbo frames
2105 * for better performance
2106 */
2107 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002108 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002109 else
David S. Millerc0700f92008-12-16 23:53:20 -08002110 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002111
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002112 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002113
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002114 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002115 struct link_params *lp = &bp->link_params;
2116 lp->loopback_mode = LOOPBACK_XGXS;
2117 /* do PHY loopback at 10G speed, if possible */
2118 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2119 if (lp->speed_cap_mask[cfx_idx] &
2120 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2121 lp->req_line_speed[cfx_idx] =
2122 SPEED_10000;
2123 else
2124 lp->req_line_speed[cfx_idx] =
2125 SPEED_1000;
2126 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002127 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002128
Merav Sicron8970b2e2012-06-19 07:48:22 +00002129 if (load_mode == LOAD_LOOPBACK_EXT) {
2130 struct link_params *lp = &bp->link_params;
2131 lp->loopback_mode = LOOPBACK_EXT;
2132 }
2133
Eilon Greenstein19680c42008-08-13 15:47:33 -07002134 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002135
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002136 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002137
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002138 bnx2x_calc_fc_adv(bp);
2139
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002140 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2141 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002142 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002143 } else
2144 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002145 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002146 return rc;
2147 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002148 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002149 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002150}
2151
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002152void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002153{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002154 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002155 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002156 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002157 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002158 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002159
Eilon Greenstein19680c42008-08-13 15:47:33 -07002160 bnx2x_calc_fc_adv(bp);
2161 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002162 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002163}
2164
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002165static void bnx2x__link_reset(struct bnx2x *bp)
2166{
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 Greenstein589abe32009-02-12 08:36:55 +00002169 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002170 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002171 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002172 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002173}
2174
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002175u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002176{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002177 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002179 if (!BP_NOMCP(bp)) {
2180 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002181 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2182 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002183 bnx2x_release_phy_lock(bp);
2184 } else
2185 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002186
2187 return rc;
2188}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002190
Eilon Greenstein2691d512009-08-12 08:22:08 +00002191/* Calculates the sum of vn_min_rates.
2192 It's needed for further normalizing of the min_rates.
2193 Returns:
2194 sum of vn_min_rates.
2195 or
2196 0 - if all the min_rates are 0.
2197 In the later case fainess algorithm should be deactivated.
2198 If not all min_rates are zero then those that are zeroes will be set to 1.
2199 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002200static void bnx2x_calc_vn_min(struct bnx2x *bp,
2201 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002202{
2203 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002204 int vn;
2205
David S. Miller8decf862011-09-22 03:23:13 -04002206 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002207 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002208 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2209 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2210
2211 /* Skip hidden vns */
2212 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002213 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002214 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002215 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002216 vn_min_rate = DEF_MIN_RATE;
2217 else
2218 all_zero = 0;
2219
Yuval Mintzb475d782012-04-03 18:41:29 +00002220 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002221 }
2222
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002223 /* if ETS or all min rates are zeros - disable fairness */
2224 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002225 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002226 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2227 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2228 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002229 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002230 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002231 DP(NETIF_MSG_IFUP,
2232 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002233 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002234 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002235 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002236}
2237
Yuval Mintzb475d782012-04-03 18:41:29 +00002238static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2239 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002240{
Yuval Mintzb475d782012-04-03 18:41:29 +00002241 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002242 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002243
Yuval Mintzb475d782012-04-03 18:41:29 +00002244 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002245 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002246 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002247 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2248
Yuval Mintzb475d782012-04-03 18:41:29 +00002249 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002250 /* maxCfg in percents of linkspeed */
2251 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002252 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002253 /* maxCfg is absolute in 100Mb units */
2254 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002255 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002256
Yuval Mintzb475d782012-04-03 18:41:29 +00002257 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002258
Yuval Mintzb475d782012-04-03 18:41:29 +00002259 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002260}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002261
Yuval Mintzb475d782012-04-03 18:41:29 +00002262
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002263static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2264{
2265 if (CHIP_REV_IS_SLOW(bp))
2266 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002267 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002268 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002269
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002270 return CMNG_FNS_NONE;
2271}
2272
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002273void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002275 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276
2277 if (BP_NOMCP(bp))
2278 return; /* what should be the default bvalue in this case */
2279
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002280 /* For 2 port configuration the absolute function number formula
2281 * is:
2282 * abs_func = 2 * vn + BP_PORT + BP_PATH
2283 *
2284 * and there are 4 functions per port
2285 *
2286 * For 4 port configuration it is
2287 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2288 *
2289 * and there are 2 functions per port
2290 */
David S. Miller8decf862011-09-22 03:23:13 -04002291 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002292 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2293
2294 if (func >= E1H_FUNC_MAX)
2295 break;
2296
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002297 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002298 MF_CFG_RD(bp, func_mf_config[func].config);
2299 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002300 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2301 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2302 bp->flags |= MF_FUNC_DIS;
2303 } else {
2304 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2305 bp->flags &= ~MF_FUNC_DIS;
2306 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002307}
2308
2309static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2310{
Yuval Mintzb475d782012-04-03 18:41:29 +00002311 struct cmng_init_input input;
2312 memset(&input, 0, sizeof(struct cmng_init_input));
2313
2314 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002315
2316 if (cmng_type == CMNG_FNS_MINMAX) {
2317 int vn;
2318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002319 /* read mf conf from shmem */
2320 if (read_cfg)
2321 bnx2x_read_mf_cfg(bp);
2322
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002323 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002324 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002325
2326 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002327 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002328 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002329 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002330
2331 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002332 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002333 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002334
2335 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002336 return;
2337 }
2338
2339 /* rate shaping and fairness are disabled */
2340 DP(NETIF_MSG_IFUP,
2341 "rate shaping and fairness are disabled\n");
2342}
2343
Eric Dumazet1191cb82012-04-27 21:39:21 +00002344static void storm_memset_cmng(struct bnx2x *bp,
2345 struct cmng_init *cmng,
2346 u8 port)
2347{
2348 int vn;
2349 size_t size = sizeof(struct cmng_struct_per_port);
2350
2351 u32 addr = BAR_XSTRORM_INTMEM +
2352 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2353
2354 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2355
2356 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2357 int func = func_by_vn(bp, vn);
2358
2359 addr = BAR_XSTRORM_INTMEM +
2360 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2361 size = sizeof(struct rate_shaping_vars_per_vn);
2362 __storm_memset_struct(bp, addr, size,
2363 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2364
2365 addr = BAR_XSTRORM_INTMEM +
2366 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2367 size = sizeof(struct fairness_vars_per_vn);
2368 __storm_memset_struct(bp, addr, size,
2369 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2370 }
2371}
2372
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002373/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002374static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002375{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002376 /* Make sure that we are synced with the current statistics */
2377 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2378
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002379 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002380
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002381 if (bp->link_vars.link_up) {
2382
Eilon Greenstein1c063282009-02-12 08:36:43 +00002383 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002384 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002385 int port = BP_PORT(bp);
2386 u32 pause_enabled = 0;
2387
2388 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2389 pause_enabled = 1;
2390
2391 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002392 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002393 pause_enabled);
2394 }
2395
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002396 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002397 struct host_port_stats *pstats;
2398
2399 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002400 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002401 memset(&(pstats->mac_stx[0]), 0,
2402 sizeof(struct mac_stx));
2403 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002404 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002405 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2406 }
2407
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002408 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2409 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002410
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002411 if (cmng_fns != CMNG_FNS_NONE) {
2412 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2413 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2414 } else
2415 /* rate shaping and fairness are disabled */
2416 DP(NETIF_MSG_IFUP,
2417 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002418 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002419
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002420 __bnx2x_link_report(bp);
2421
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002422 if (IS_MF(bp))
2423 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002424}
2425
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002426void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002427{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002428 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002429 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002430
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002431 /* read updated dcb configuration */
2432 bnx2x_dcbx_pmf_update(bp);
2433
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002434 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2435
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002436 if (bp->link_vars.link_up)
2437 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2438 else
2439 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2440
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002441 /* indicate link status */
2442 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002443}
2444
Barak Witkowskia3348722012-04-23 03:04:46 +00002445static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2446 u16 vlan_val, u8 allowed_prio)
2447{
2448 struct bnx2x_func_state_params func_params = {0};
2449 struct bnx2x_func_afex_update_params *f_update_params =
2450 &func_params.params.afex_update;
2451
2452 func_params.f_obj = &bp->func_obj;
2453 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2454
2455 /* no need to wait for RAMROD completion, so don't
2456 * set RAMROD_COMP_WAIT flag
2457 */
2458
2459 f_update_params->vif_id = vifid;
2460 f_update_params->afex_default_vlan = vlan_val;
2461 f_update_params->allowed_priorities = allowed_prio;
2462
2463 /* if ramrod can not be sent, response to MCP immediately */
2464 if (bnx2x_func_state_change(bp, &func_params) < 0)
2465 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2466
2467 return 0;
2468}
2469
2470static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2471 u16 vif_index, u8 func_bit_map)
2472{
2473 struct bnx2x_func_state_params func_params = {0};
2474 struct bnx2x_func_afex_viflists_params *update_params =
2475 &func_params.params.afex_viflists;
2476 int rc;
2477 u32 drv_msg_code;
2478
2479 /* validate only LIST_SET and LIST_GET are received from switch */
2480 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2481 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2482 cmd_type);
2483
2484 func_params.f_obj = &bp->func_obj;
2485 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2486
2487 /* set parameters according to cmd_type */
2488 update_params->afex_vif_list_command = cmd_type;
2489 update_params->vif_list_index = cpu_to_le16(vif_index);
2490 update_params->func_bit_map =
2491 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2492 update_params->func_to_clear = 0;
2493 drv_msg_code =
2494 (cmd_type == VIF_LIST_RULE_GET) ?
2495 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2496 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2497
2498 /* if ramrod can not be sent, respond to MCP immediately for
2499 * SET and GET requests (other are not triggered from MCP)
2500 */
2501 rc = bnx2x_func_state_change(bp, &func_params);
2502 if (rc < 0)
2503 bnx2x_fw_command(bp, drv_msg_code, 0);
2504
2505 return 0;
2506}
2507
2508static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2509{
2510 struct afex_stats afex_stats;
2511 u32 func = BP_ABS_FUNC(bp);
2512 u32 mf_config;
2513 u16 vlan_val;
2514 u32 vlan_prio;
2515 u16 vif_id;
2516 u8 allowed_prio;
2517 u8 vlan_mode;
2518 u32 addr_to_write, vifid, addrs, stats_type, i;
2519
2520 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2521 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2522 DP(BNX2X_MSG_MCP,
2523 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2524 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2525 }
2526
2527 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2528 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2529 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2530 DP(BNX2X_MSG_MCP,
2531 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2532 vifid, addrs);
2533 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2534 addrs);
2535 }
2536
2537 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2538 addr_to_write = SHMEM2_RD(bp,
2539 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2540 stats_type = SHMEM2_RD(bp,
2541 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2542
2543 DP(BNX2X_MSG_MCP,
2544 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2545 addr_to_write);
2546
2547 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2548
2549 /* write response to scratchpad, for MCP */
2550 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2551 REG_WR(bp, addr_to_write + i*sizeof(u32),
2552 *(((u32 *)(&afex_stats))+i));
2553
2554 /* send ack message to MCP */
2555 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2556 }
2557
2558 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2559 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2560 bp->mf_config[BP_VN(bp)] = mf_config;
2561 DP(BNX2X_MSG_MCP,
2562 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2563 mf_config);
2564
2565 /* if VIF_SET is "enabled" */
2566 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2567 /* set rate limit directly to internal RAM */
2568 struct cmng_init_input cmng_input;
2569 struct rate_shaping_vars_per_vn m_rs_vn;
2570 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2571 u32 addr = BAR_XSTRORM_INTMEM +
2572 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2573
2574 bp->mf_config[BP_VN(bp)] = mf_config;
2575
2576 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2577 m_rs_vn.vn_counter.rate =
2578 cmng_input.vnic_max_rate[BP_VN(bp)];
2579 m_rs_vn.vn_counter.quota =
2580 (m_rs_vn.vn_counter.rate *
2581 RS_PERIODIC_TIMEOUT_USEC) / 8;
2582
2583 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2584
2585 /* read relevant values from mf_cfg struct in shmem */
2586 vif_id =
2587 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2588 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2589 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2590 vlan_val =
2591 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2592 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2593 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2594 vlan_prio = (mf_config &
2595 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2596 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2597 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2598 vlan_mode =
2599 (MF_CFG_RD(bp,
2600 func_mf_config[func].afex_config) &
2601 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2602 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2603 allowed_prio =
2604 (MF_CFG_RD(bp,
2605 func_mf_config[func].afex_config) &
2606 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2607 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2608
2609 /* send ramrod to FW, return in case of failure */
2610 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2611 allowed_prio))
2612 return;
2613
2614 bp->afex_def_vlan_tag = vlan_val;
2615 bp->afex_vlan_mode = vlan_mode;
2616 } else {
2617 /* notify link down because BP->flags is disabled */
2618 bnx2x_link_report(bp);
2619
2620 /* send INVALID VIF ramrod to FW */
2621 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2622
2623 /* Reset the default afex VLAN */
2624 bp->afex_def_vlan_tag = -1;
2625 }
2626 }
2627}
2628
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002629static void bnx2x_pmf_update(struct bnx2x *bp)
2630{
2631 int port = BP_PORT(bp);
2632 u32 val;
2633
2634 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002635 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002636
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002637 /*
2638 * We need the mb() to ensure the ordering between the writing to
2639 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2640 */
2641 smp_mb();
2642
2643 /* queue a periodic task */
2644 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2645
Dmitry Kravkovef018542011-06-14 01:33:57 +00002646 bnx2x_dcbx_pmf_update(bp);
2647
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002648 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002649 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002650 if (bp->common.int_block == INT_BLOCK_HC) {
2651 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2652 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002653 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002654 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2655 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2656 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002657
2658 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002659}
2660
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002661/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002662
2663/* slow path */
2664
2665/*
2666 * General service functions
2667 */
2668
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002670u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002671{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002672 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002673 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002674 u32 rc = 0;
2675 u32 cnt = 1;
2676 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2677
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002678 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002679 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002680 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2681 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2682
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002683 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2684 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002685
2686 do {
2687 /* let the FW do it's magic ... */
2688 msleep(delay);
2689
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002690 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002691
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002692 /* Give the FW up to 5 second (500*10ms) */
2693 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002694
2695 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2696 cnt*delay, rc, seq);
2697
2698 /* is this a reply to our command? */
2699 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2700 rc &= FW_MSG_CODE_MASK;
2701 else {
2702 /* FW BUG! */
2703 BNX2X_ERR("FW failed to respond!\n");
2704 bnx2x_fw_dump(bp);
2705 rc = 0;
2706 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002707 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002708
2709 return rc;
2710}
2711
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002712
Eric Dumazet1191cb82012-04-27 21:39:21 +00002713static void storm_memset_func_cfg(struct bnx2x *bp,
2714 struct tstorm_eth_function_common_config *tcfg,
2715 u16 abs_fid)
2716{
2717 size_t size = sizeof(struct tstorm_eth_function_common_config);
2718
2719 u32 addr = BAR_TSTRORM_INTMEM +
2720 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2721
2722 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2723}
2724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002725void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002726{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002727 if (CHIP_IS_E1x(bp)) {
2728 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002729
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002730 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2731 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002732
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002733 /* Enable the function in the FW */
2734 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2735 storm_memset_func_en(bp, p->func_id, 1);
2736
2737 /* spq */
2738 if (p->func_flgs & FUNC_FLG_SPQ) {
2739 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2740 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2741 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2742 }
2743}
2744
Ariel Elior6383c0b2011-07-14 08:31:57 +00002745/**
2746 * bnx2x_get_tx_only_flags - Return common flags
2747 *
2748 * @bp device handle
2749 * @fp queue handle
2750 * @zero_stats TRUE if statistics zeroing is needed
2751 *
2752 * Return the flags that are common for the Tx-only and not normal connections.
2753 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002754static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2755 struct bnx2x_fastpath *fp,
2756 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002757{
2758 unsigned long flags = 0;
2759
2760 /* PF driver will always initialize the Queue to an ACTIVE state */
2761 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2762
Ariel Elior6383c0b2011-07-14 08:31:57 +00002763 /* tx only connections collect statistics (on the same index as the
2764 * parent connection). The statistics are zeroed when the parent
2765 * connection is initialized.
2766 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002767
2768 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2769 if (zero_stats)
2770 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2771
Ariel Elior6383c0b2011-07-14 08:31:57 +00002772
2773 return flags;
2774}
2775
Eric Dumazet1191cb82012-04-27 21:39:21 +00002776static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2777 struct bnx2x_fastpath *fp,
2778 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002779{
2780 unsigned long flags = 0;
2781
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002782 /* calculate other queue flags */
2783 if (IS_MF_SD(bp))
2784 __set_bit(BNX2X_Q_FLG_OV, &flags);
2785
Barak Witkowskia3348722012-04-23 03:04:46 +00002786 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002787 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002788 /* For FCoE - force usage of default priority (for afex) */
2789 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2790 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002791
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002792 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002793 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002794 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002795 if (fp->mode == TPA_MODE_GRO)
2796 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002797 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002798
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002799 if (leading) {
2800 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2801 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2802 }
2803
2804 /* Always set HW VLAN stripping */
2805 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002806
Barak Witkowskia3348722012-04-23 03:04:46 +00002807 /* configure silent vlan removal */
2808 if (IS_MF_AFEX(bp))
2809 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2810
Ariel Elior6383c0b2011-07-14 08:31:57 +00002811
2812 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002813}
2814
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002815static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002816 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2817 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002818{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002819 gen_init->stat_id = bnx2x_stats_id(fp);
2820 gen_init->spcl_id = fp->cl_id;
2821
2822 /* Always use mini-jumbo MTU for FCoE L2 ring */
2823 if (IS_FCOE_FP(fp))
2824 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2825 else
2826 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002827
2828 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002829}
2830
2831static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2832 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2833 struct bnx2x_rxq_setup_params *rxq_init)
2834{
2835 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002836 u16 sge_sz = 0;
2837 u16 tpa_agg_size = 0;
2838
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002839 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002840 pause->sge_th_lo = SGE_TH_LO(bp);
2841 pause->sge_th_hi = SGE_TH_HI(bp);
2842
2843 /* validate SGE ring has enough to cross high threshold */
2844 WARN_ON(bp->dropless_fc &&
2845 pause->sge_th_hi + FW_PREFETCH_CNT >
2846 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2847
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002848 tpa_agg_size = min_t(u32,
2849 (min_t(u32, 8, MAX_SKB_FRAGS) *
2850 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2851 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2852 SGE_PAGE_SHIFT;
2853 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2854 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2855 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2856 0xffff);
2857 }
2858
2859 /* pause - not for e1 */
2860 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002861 pause->bd_th_lo = BD_TH_LO(bp);
2862 pause->bd_th_hi = BD_TH_HI(bp);
2863
2864 pause->rcq_th_lo = RCQ_TH_LO(bp);
2865 pause->rcq_th_hi = RCQ_TH_HI(bp);
2866 /*
2867 * validate that rings have enough entries to cross
2868 * high thresholds
2869 */
2870 WARN_ON(bp->dropless_fc &&
2871 pause->bd_th_hi + FW_PREFETCH_CNT >
2872 bp->rx_ring_size);
2873 WARN_ON(bp->dropless_fc &&
2874 pause->rcq_th_hi + FW_PREFETCH_CNT >
2875 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002876
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002877 pause->pri_map = 1;
2878 }
2879
2880 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002881 rxq_init->dscr_map = fp->rx_desc_mapping;
2882 rxq_init->sge_map = fp->rx_sge_mapping;
2883 rxq_init->rcq_map = fp->rx_comp_mapping;
2884 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002885
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002886 /* This should be a maximum number of data bytes that may be
2887 * placed on the BD (not including paddings).
2888 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002889 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2890 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002891
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002892 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002893 rxq_init->tpa_agg_sz = tpa_agg_size;
2894 rxq_init->sge_buf_sz = sge_sz;
2895 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002896 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002897 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002898
2899 /* Maximum number or simultaneous TPA aggregation for this Queue.
2900 *
2901 * For PF Clients it should be the maximum avaliable number.
2902 * VF driver(s) may want to define it to a smaller value.
2903 */
David S. Miller8decf862011-09-22 03:23:13 -04002904 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002905
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002906 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2907 rxq_init->fw_sb_id = fp->fw_sb_id;
2908
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002909 if (IS_FCOE_FP(fp))
2910 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2911 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002912 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002913 /* configure silent vlan removal
2914 * if multi function mode is afex, then mask default vlan
2915 */
2916 if (IS_MF_AFEX(bp)) {
2917 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2918 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2919 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002920}
2921
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002922static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002923 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2924 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002925{
Merav Sicron65565882012-06-19 07:48:26 +00002926 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002927 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002928 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2929 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002930
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002931 /*
2932 * set the tss leading client id for TX classfication ==
2933 * leading RSS client id
2934 */
2935 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2936
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002937 if (IS_FCOE_FP(fp)) {
2938 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2939 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2940 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002941}
2942
stephen hemminger8d962862010-10-21 07:50:56 +00002943static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002944{
2945 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002946 struct event_ring_data eq_data = { {0} };
2947 u16 flags;
2948
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002949 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002950 /* reset IGU PF statistics: MSIX + ATTN */
2951 /* PF */
2952 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2953 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2954 (CHIP_MODE_IS_4_PORT(bp) ?
2955 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2956 /* ATTN */
2957 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2958 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2959 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2960 (CHIP_MODE_IS_4_PORT(bp) ?
2961 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2962 }
2963
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002964 /* function setup flags */
2965 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2966
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002967 /* This flag is relevant for E1x only.
2968 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002969 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002970 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002971
2972 func_init.func_flgs = flags;
2973 func_init.pf_id = BP_FUNC(bp);
2974 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002975 func_init.spq_map = bp->spq_mapping;
2976 func_init.spq_prod = bp->spq_prod_idx;
2977
2978 bnx2x_func_init(bp, &func_init);
2979
2980 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2981
2982 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002983 * Congestion management values depend on the link rate
2984 * There is no active link so initial link rate is set to 10 Gbps.
2985 * When the link comes up The congestion management values are
2986 * re-calculated according to the actual link rate.
2987 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988 bp->link_vars.line_speed = SPEED_10000;
2989 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2990
2991 /* Only the PMF sets the HW */
2992 if (bp->port.pmf)
2993 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2994
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002995 /* init Event Queue */
2996 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2997 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2998 eq_data.producer = bp->eq_prod;
2999 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3000 eq_data.sb_id = DEF_SB_ID;
3001 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3002}
3003
3004
Eilon Greenstein2691d512009-08-12 08:22:08 +00003005static void bnx2x_e1h_disable(struct bnx2x *bp)
3006{
3007 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003008
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003009 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003010
3011 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003012}
3013
3014static void bnx2x_e1h_enable(struct bnx2x *bp)
3015{
3016 int port = BP_PORT(bp);
3017
3018 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3019
Eilon Greenstein2691d512009-08-12 08:22:08 +00003020 /* Tx queue should be only reenabled */
3021 netif_tx_wake_all_queues(bp->dev);
3022
Eilon Greenstein061bc702009-10-15 00:18:47 -07003023 /*
3024 * Should not call netif_carrier_on since it will be called if the link
3025 * is up when checking for link state
3026 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003027}
3028
Barak Witkowski1d187b32011-12-05 22:41:50 +00003029#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3030
3031static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3032{
3033 struct eth_stats_info *ether_stat =
3034 &bp->slowpath->drv_info_to_mcp.ether_stat;
3035
3036 /* leave last char as NULL */
3037 memcpy(ether_stat->version, DRV_MODULE_VERSION,
3038 ETH_STAT_INFO_VERSION_LEN - 1);
3039
Barak Witkowski15192a82012-06-19 07:48:28 +00003040 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3041 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3042 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003043
3044 ether_stat->mtu_size = bp->dev->mtu;
3045
3046 if (bp->dev->features & NETIF_F_RXCSUM)
3047 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3048 if (bp->dev->features & NETIF_F_TSO)
3049 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3050 ether_stat->feature_flags |= bp->common.boot_mode;
3051
3052 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3053
3054 ether_stat->txq_size = bp->tx_ring_size;
3055 ether_stat->rxq_size = bp->rx_ring_size;
3056}
3057
3058static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3059{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003060#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003061 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3062 struct fcoe_stats_info *fcoe_stat =
3063 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3064
Barak Witkowski2e499d32012-06-26 01:31:19 +00003065 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3066 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003067
3068 fcoe_stat->qos_priority =
3069 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3070
3071 /* insert FCoE stats from ramrod response */
3072 if (!NO_FCOE(bp)) {
3073 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003074 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003075 tstorm_queue_statistics;
3076
3077 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003078 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003079 xstorm_queue_statistics;
3080
3081 struct fcoe_statistics_params *fw_fcoe_stat =
3082 &bp->fw_stats_data->fcoe;
3083
3084 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3085 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3086
3087 ADD_64(fcoe_stat->rx_bytes_hi,
3088 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3089 fcoe_stat->rx_bytes_lo,
3090 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3091
3092 ADD_64(fcoe_stat->rx_bytes_hi,
3093 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3094 fcoe_stat->rx_bytes_lo,
3095 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3096
3097 ADD_64(fcoe_stat->rx_bytes_hi,
3098 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3099 fcoe_stat->rx_bytes_lo,
3100 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3101
3102 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3103 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3104
3105 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3106 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3107
3108 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3109 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3110
3111 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003112 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003113
3114 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3115 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3116
3117 ADD_64(fcoe_stat->tx_bytes_hi,
3118 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3119 fcoe_stat->tx_bytes_lo,
3120 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3121
3122 ADD_64(fcoe_stat->tx_bytes_hi,
3123 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3124 fcoe_stat->tx_bytes_lo,
3125 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3126
3127 ADD_64(fcoe_stat->tx_bytes_hi,
3128 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3129 fcoe_stat->tx_bytes_lo,
3130 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3131
3132 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3133 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3134
3135 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3136 fcoe_q_xstorm_stats->ucast_pkts_sent);
3137
3138 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3139 fcoe_q_xstorm_stats->bcast_pkts_sent);
3140
3141 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3142 fcoe_q_xstorm_stats->mcast_pkts_sent);
3143 }
3144
Barak Witkowski1d187b32011-12-05 22:41:50 +00003145 /* ask L5 driver to add data to the struct */
3146 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3147#endif
3148}
3149
3150static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3151{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003152#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003153 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3154 struct iscsi_stats_info *iscsi_stat =
3155 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3156
Barak Witkowski2e499d32012-06-26 01:31:19 +00003157 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3158 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003159
3160 iscsi_stat->qos_priority =
3161 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
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_ISCSI_STATS_GET_CMD);
3165#endif
3166}
3167
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003168/* called due to MCP event (on pmf):
3169 * reread new bandwidth configuration
3170 * configure FW
3171 * notify others function about the change
3172 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003173static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003174{
3175 if (bp->link_vars.link_up) {
3176 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3177 bnx2x_link_sync_notify(bp);
3178 }
3179 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3180}
3181
Eric Dumazet1191cb82012-04-27 21:39:21 +00003182static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003183{
3184 bnx2x_config_mf_bw(bp);
3185 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3186}
3187
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003188static void bnx2x_handle_eee_event(struct bnx2x *bp)
3189{
3190 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3191 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3192}
3193
Barak Witkowski1d187b32011-12-05 22:41:50 +00003194static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3195{
3196 enum drv_info_opcode op_code;
3197 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3198
3199 /* if drv_info version supported by MFW doesn't match - send NACK */
3200 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3201 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3202 return;
3203 }
3204
3205 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3206 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3207
3208 memset(&bp->slowpath->drv_info_to_mcp, 0,
3209 sizeof(union drv_info_to_mcp));
3210
3211 switch (op_code) {
3212 case ETH_STATS_OPCODE:
3213 bnx2x_drv_info_ether_stat(bp);
3214 break;
3215 case FCOE_STATS_OPCODE:
3216 bnx2x_drv_info_fcoe_stat(bp);
3217 break;
3218 case ISCSI_STATS_OPCODE:
3219 bnx2x_drv_info_iscsi_stat(bp);
3220 break;
3221 default:
3222 /* if op code isn't supported - send NACK */
3223 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3224 return;
3225 }
3226
3227 /* if we got drv_info attn from MFW then these fields are defined in
3228 * shmem2 for sure
3229 */
3230 SHMEM2_WR(bp, drv_info_host_addr_lo,
3231 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3232 SHMEM2_WR(bp, drv_info_host_addr_hi,
3233 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3234
3235 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3236}
3237
Eilon Greenstein2691d512009-08-12 08:22:08 +00003238static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3239{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003240 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003241
3242 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3243
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003244 /*
3245 * This is the only place besides the function initialization
3246 * where the bp->flags can change so it is done without any
3247 * locks
3248 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003249 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003250 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003251 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003252
3253 bnx2x_e1h_disable(bp);
3254 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003255 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003256 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003257
3258 bnx2x_e1h_enable(bp);
3259 }
3260 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3261 }
3262 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003263 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003264 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3265 }
3266
3267 /* Report results to MCP */
3268 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003269 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003270 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003271 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003272}
3273
Michael Chan28912902009-10-10 13:46:53 +00003274/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003275static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003276{
3277 struct eth_spe *next_spe = bp->spq_prod_bd;
3278
3279 if (bp->spq_prod_bd == bp->spq_last_bd) {
3280 bp->spq_prod_bd = bp->spq;
3281 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003282 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003283 } else {
3284 bp->spq_prod_bd++;
3285 bp->spq_prod_idx++;
3286 }
3287 return next_spe;
3288}
3289
3290/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003291static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003292{
3293 int func = BP_FUNC(bp);
3294
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003295 /*
3296 * Make sure that BD data is updated before writing the producer:
3297 * BD data is written to the memory, the producer is read from the
3298 * memory, thus we need a full memory barrier to ensure the ordering.
3299 */
3300 mb();
Michael Chan28912902009-10-10 13:46:53 +00003301
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003302 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003303 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003304 mmiowb();
3305}
3306
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003307/**
3308 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3309 *
3310 * @cmd: command to check
3311 * @cmd_type: command type
3312 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003313static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003314{
3315 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003316 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003317 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3318 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3319 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3320 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3321 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3322 return true;
3323 else
3324 return false;
3325
3326}
3327
3328
3329/**
3330 * bnx2x_sp_post - place a single command on an SP ring
3331 *
3332 * @bp: driver handle
3333 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3334 * @cid: SW CID the command is related to
3335 * @data_hi: command private data address (high 32 bits)
3336 * @data_lo: command private data address (low 32 bits)
3337 * @cmd_type: command type (e.g. NONE, ETH)
3338 *
3339 * SP data is handled as if it's always an address pair, thus data fields are
3340 * not swapped to little endian in upper functions. Instead this function swaps
3341 * data as if it's two u32 fields.
3342 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003343int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003344 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003345{
Michael Chan28912902009-10-10 13:46:53 +00003346 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003347 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003348 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003349
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003350#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003351 if (unlikely(bp->panic)) {
3352 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003353 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003354 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003355#endif
3356
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003357 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003358
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003359 if (common) {
3360 if (!atomic_read(&bp->eq_spq_left)) {
3361 BNX2X_ERR("BUG! EQ ring full!\n");
3362 spin_unlock_bh(&bp->spq_lock);
3363 bnx2x_panic();
3364 return -EBUSY;
3365 }
3366 } else if (!atomic_read(&bp->cq_spq_left)) {
3367 BNX2X_ERR("BUG! SPQ ring full!\n");
3368 spin_unlock_bh(&bp->spq_lock);
3369 bnx2x_panic();
3370 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003372
Michael Chan28912902009-10-10 13:46:53 +00003373 spe = bnx2x_sp_get_next(bp);
3374
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003375 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003376 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003377 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3378 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003379
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003380 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003381
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003382 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3383 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003384
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003385 spe->hdr.type = cpu_to_le16(type);
3386
3387 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3388 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3389
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003390 /*
3391 * It's ok if the actual decrement is issued towards the memory
3392 * somewhere between the spin_lock and spin_unlock. Thus no
3393 * more explict memory barrier is needed.
3394 */
3395 if (common)
3396 atomic_dec(&bp->eq_spq_left);
3397 else
3398 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003399
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003400
Merav Sicron51c1a582012-03-18 10:33:38 +00003401 DP(BNX2X_MSG_SP,
3402 "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 +00003403 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3404 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003405 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003406 HW_CID(bp, cid), data_hi, data_lo, type,
3407 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003408
Michael Chan28912902009-10-10 13:46:53 +00003409 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003410 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003411 return 0;
3412}
3413
3414/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003415static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003416{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003417 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003418 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003419
3420 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003421 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003422 val = (1UL << 31);
3423 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3424 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3425 if (val & (1L << 31))
3426 break;
3427
3428 msleep(5);
3429 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003430 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003431 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003432 rc = -EBUSY;
3433 }
3434
3435 return rc;
3436}
3437
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003438/* release split MCP access lock register */
3439static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003441 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003442}
3443
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003444#define BNX2X_DEF_SB_ATT_IDX 0x0001
3445#define BNX2X_DEF_SB_IDX 0x0002
3446
Eric Dumazet1191cb82012-04-27 21:39:21 +00003447static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003449 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003450 u16 rc = 0;
3451
3452 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003453 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3454 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003455 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003456 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003457
3458 if (bp->def_idx != def_sb->sp_sb.running_index) {
3459 bp->def_idx = def_sb->sp_sb.running_index;
3460 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003461 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003462
3463 /* Do not reorder: indecies reading should complete before handling */
3464 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003465 return rc;
3466}
3467
3468/*
3469 * slow path service functions
3470 */
3471
3472static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3473{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003474 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003475 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3476 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003477 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3478 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003479 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003480 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003481 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003482
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003483 if (bp->attn_state & asserted)
3484 BNX2X_ERR("IGU ERROR\n");
3485
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003486 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3487 aeu_mask = REG_RD(bp, aeu_addr);
3488
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003489 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003490 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003491 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003492 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003493
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003494 REG_WR(bp, aeu_addr, aeu_mask);
3495 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003496
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003497 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003498 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003499 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003500
3501 if (asserted & ATTN_HARD_WIRED_MASK) {
3502 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003503
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003504 bnx2x_acquire_phy_lock(bp);
3505
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003506 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003507 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003508
Yaniv Rosner361c3912011-06-14 01:33:19 +00003509 /* If nig_mask is not set, no need to call the update
3510 * function.
3511 */
3512 if (nig_mask) {
3513 REG_WR(bp, nig_int_mask_addr, 0);
3514
3515 bnx2x_link_attn(bp);
3516 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003517
3518 /* handle unicore attn? */
3519 }
3520 if (asserted & ATTN_SW_TIMER_4_FUNC)
3521 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3522
3523 if (asserted & GPIO_2_FUNC)
3524 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3525
3526 if (asserted & GPIO_3_FUNC)
3527 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3528
3529 if (asserted & GPIO_4_FUNC)
3530 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3531
3532 if (port == 0) {
3533 if (asserted & ATTN_GENERAL_ATTN_1) {
3534 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3535 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3536 }
3537 if (asserted & ATTN_GENERAL_ATTN_2) {
3538 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3539 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3540 }
3541 if (asserted & ATTN_GENERAL_ATTN_3) {
3542 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3543 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3544 }
3545 } else {
3546 if (asserted & ATTN_GENERAL_ATTN_4) {
3547 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3548 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3549 }
3550 if (asserted & ATTN_GENERAL_ATTN_5) {
3551 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3552 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3553 }
3554 if (asserted & ATTN_GENERAL_ATTN_6) {
3555 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3556 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3557 }
3558 }
3559
3560 } /* if hardwired */
3561
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003562 if (bp->common.int_block == INT_BLOCK_HC)
3563 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3564 COMMAND_REG_ATTN_BITS_SET);
3565 else
3566 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3567
3568 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3569 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3570 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571
3572 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003573 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003574 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003575 bnx2x_release_phy_lock(bp);
3576 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003577}
3578
Eric Dumazet1191cb82012-04-27 21:39:21 +00003579static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003580{
3581 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003582 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003583 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003584 ext_phy_config =
3585 SHMEM_RD(bp,
3586 dev_info.port_hw_config[port].external_phy_config);
3587
3588 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3589 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003590 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003591 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003592
3593 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003594 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3595 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003596
3597 /*
3598 * Scheudle device reset (unload)
3599 * This is due to some boards consuming sufficient power when driver is
3600 * up to overheat if fan fails.
3601 */
3602 smp_mb__before_clear_bit();
3603 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3604 smp_mb__after_clear_bit();
3605 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3606
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003607}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003608
Eric Dumazet1191cb82012-04-27 21:39:21 +00003609static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003610{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003611 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003612 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003613 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003614
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003615 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3616 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003617
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003618 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003619
3620 val = REG_RD(bp, reg_offset);
3621 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3622 REG_WR(bp, reg_offset, val);
3623
3624 BNX2X_ERR("SPIO5 hw attention\n");
3625
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003626 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003627 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003628 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003629 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003630
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003631 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003632 bnx2x_acquire_phy_lock(bp);
3633 bnx2x_handle_module_detect_int(&bp->link_params);
3634 bnx2x_release_phy_lock(bp);
3635 }
3636
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003637 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3638
3639 val = REG_RD(bp, reg_offset);
3640 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3641 REG_WR(bp, reg_offset, val);
3642
3643 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003644 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003645 bnx2x_panic();
3646 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003647}
3648
Eric Dumazet1191cb82012-04-27 21:39:21 +00003649static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003650{
3651 u32 val;
3652
Eilon Greenstein0626b892009-02-12 08:38:14 +00003653 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003654
3655 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3656 BNX2X_ERR("DB hw attention 0x%x\n", val);
3657 /* DORQ discard attention */
3658 if (val & 0x2)
3659 BNX2X_ERR("FATAL error from DORQ\n");
3660 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003661
3662 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3663
3664 int port = BP_PORT(bp);
3665 int reg_offset;
3666
3667 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3668 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3669
3670 val = REG_RD(bp, reg_offset);
3671 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3672 REG_WR(bp, reg_offset, val);
3673
3674 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003675 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003676 bnx2x_panic();
3677 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003678}
3679
Eric Dumazet1191cb82012-04-27 21:39:21 +00003680static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003681{
3682 u32 val;
3683
3684 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3685
3686 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3687 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3688 /* CFC error attention */
3689 if (val & 0x2)
3690 BNX2X_ERR("FATAL error from CFC\n");
3691 }
3692
3693 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003694 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003695 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003696 /* RQ_USDMDP_FIFO_OVERFLOW */
3697 if (val & 0x18000)
3698 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003699
3700 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003701 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3702 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3703 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003704 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003705
3706 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3707
3708 int port = BP_PORT(bp);
3709 int reg_offset;
3710
3711 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3712 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3713
3714 val = REG_RD(bp, reg_offset);
3715 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3716 REG_WR(bp, reg_offset, val);
3717
3718 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003719 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003720 bnx2x_panic();
3721 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003722}
3723
Eric Dumazet1191cb82012-04-27 21:39:21 +00003724static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003725{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003726 u32 val;
3727
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003728 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003730 if (attn & BNX2X_PMF_LINK_ASSERT) {
3731 int func = BP_FUNC(bp);
3732
3733 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003734 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003735 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3736 func_mf_config[BP_ABS_FUNC(bp)].config);
3737 val = SHMEM_RD(bp,
3738 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003739 if (val & DRV_STATUS_DCC_EVENT_MASK)
3740 bnx2x_dcc_event(bp,
3741 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003742
3743 if (val & DRV_STATUS_SET_MF_BW)
3744 bnx2x_set_mf_bw(bp);
3745
Barak Witkowski1d187b32011-12-05 22:41:50 +00003746 if (val & DRV_STATUS_DRV_INFO_REQ)
3747 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003748 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003749 bnx2x_pmf_update(bp);
3750
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003751 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003752 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3753 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003754 /* start dcbx state machine */
3755 bnx2x_dcbx_set_params(bp,
3756 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003757 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3758 bnx2x_handle_afex_cmd(bp,
3759 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003760 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3761 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003762 if (bp->link_vars.periodic_flags &
3763 PERIODIC_FLAGS_LINK_EVENT) {
3764 /* sync with link */
3765 bnx2x_acquire_phy_lock(bp);
3766 bp->link_vars.periodic_flags &=
3767 ~PERIODIC_FLAGS_LINK_EVENT;
3768 bnx2x_release_phy_lock(bp);
3769 if (IS_MF(bp))
3770 bnx2x_link_sync_notify(bp);
3771 bnx2x_link_report(bp);
3772 }
3773 /* Always call it here: bnx2x_link_report() will
3774 * prevent the link indication duplication.
3775 */
3776 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003777 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003778
3779 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003780 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003781 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3782 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3783 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3784 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3785 bnx2x_panic();
3786
3787 } else if (attn & BNX2X_MCP_ASSERT) {
3788
3789 BNX2X_ERR("MCP assert!\n");
3790 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003791 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003792
3793 } else
3794 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3795 }
3796
3797 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003798 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3799 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003800 val = CHIP_IS_E1(bp) ? 0 :
3801 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003802 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3803 }
3804 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003805 val = CHIP_IS_E1(bp) ? 0 :
3806 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003807 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3808 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003809 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003810 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003811}
3812
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003813/*
3814 * Bits map:
3815 * 0-7 - Engine0 load counter.
3816 * 8-15 - Engine1 load counter.
3817 * 16 - Engine0 RESET_IN_PROGRESS bit.
3818 * 17 - Engine1 RESET_IN_PROGRESS bit.
3819 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3820 * on the engine
3821 * 19 - Engine1 ONE_IS_LOADED.
3822 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3823 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3824 * just the one belonging to its engine).
3825 *
3826 */
3827#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3828
3829#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3830#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3831#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3832#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3833#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3834#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3835#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003836
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003837/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003838 * Set the GLOBAL_RESET bit.
3839 *
3840 * Should be run under rtnl lock
3841 */
3842void bnx2x_set_reset_global(struct bnx2x *bp)
3843{
Ariel Eliorf16da432012-01-26 06:01:50 +00003844 u32 val;
3845 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3846 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003847 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003848 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003849}
3850
3851/*
3852 * Clear the GLOBAL_RESET bit.
3853 *
3854 * Should be run under rtnl lock
3855 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003856static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003857{
Ariel Eliorf16da432012-01-26 06:01:50 +00003858 u32 val;
3859 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3860 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003861 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003862 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003863}
3864
3865/*
3866 * Checks the GLOBAL_RESET bit.
3867 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003868 * should be run under rtnl lock
3869 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003870static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003871{
3872 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3873
3874 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3875 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3876}
3877
3878/*
3879 * Clear RESET_IN_PROGRESS bit for the current engine.
3880 *
3881 * Should be run under rtnl lock
3882 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003883static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003884{
Ariel Eliorf16da432012-01-26 06:01:50 +00003885 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003886 u32 bit = BP_PATH(bp) ?
3887 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003888 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3889 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003890
3891 /* Clear the bit */
3892 val &= ~bit;
3893 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003894
3895 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003896}
3897
3898/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003899 * Set RESET_IN_PROGRESS for the current engine.
3900 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003901 * should be run under rtnl lock
3902 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003903void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003904{
Ariel Eliorf16da432012-01-26 06:01:50 +00003905 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003906 u32 bit = BP_PATH(bp) ?
3907 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003908 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3909 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003910
3911 /* Set the bit */
3912 val |= bit;
3913 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003914 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003915}
3916
3917/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003918 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003919 * should be run under rtnl lock
3920 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003921bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003922{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003923 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3924 u32 bit = engine ?
3925 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3926
3927 /* return false if bit is set */
3928 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003929}
3930
3931/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003932 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003933 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003934 * should be run under rtnl lock
3935 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003936void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003937{
Ariel Eliorf16da432012-01-26 06:01:50 +00003938 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003939 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3940 BNX2X_PATH0_LOAD_CNT_MASK;
3941 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3942 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003943
Ariel Eliorf16da432012-01-26 06:01:50 +00003944 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3945 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3946
Merav Sicron51c1a582012-03-18 10:33:38 +00003947 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003948
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003949 /* get the current counter value */
3950 val1 = (val & mask) >> shift;
3951
Ariel Elior889b9af2012-01-26 06:01:51 +00003952 /* set bit of that PF */
3953 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003954
3955 /* clear the old value */
3956 val &= ~mask;
3957
3958 /* set the new one */
3959 val |= ((val1 << shift) & mask);
3960
3961 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003962 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003963}
3964
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003965/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003966 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003967 *
3968 * @bp: driver handle
3969 *
3970 * Should be run under rtnl lock.
3971 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003972 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003973 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003974bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003975{
Ariel Eliorf16da432012-01-26 06:01:50 +00003976 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003977 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3978 BNX2X_PATH0_LOAD_CNT_MASK;
3979 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3980 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003981
Ariel Eliorf16da432012-01-26 06:01:50 +00003982 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3983 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00003984 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003985
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003986 /* get the current counter value */
3987 val1 = (val & mask) >> shift;
3988
Ariel Elior889b9af2012-01-26 06:01:51 +00003989 /* clear bit of that PF */
3990 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003991
3992 /* clear the old value */
3993 val &= ~mask;
3994
3995 /* set the new one */
3996 val |= ((val1 << shift) & mask);
3997
3998 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003999 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4000 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004001}
4002
4003/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004004 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004005 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004006 * should be run under rtnl lock
4007 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004008static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004009{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004010 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4011 BNX2X_PATH0_LOAD_CNT_MASK);
4012 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4013 BNX2X_PATH0_LOAD_CNT_SHIFT);
4014 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4015
Merav Sicron51c1a582012-03-18 10:33:38 +00004016 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004017
4018 val = (val & mask) >> shift;
4019
Merav Sicron51c1a582012-03-18 10:33:38 +00004020 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4021 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004022
Ariel Elior889b9af2012-01-26 06:01:51 +00004023 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004024}
4025
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004026/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004027 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004028 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004029static void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004030{
Ariel Eliorf16da432012-01-26 06:01:50 +00004031 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004032 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00004033 BNX2X_PATH0_LOAD_CNT_MASK);
4034 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4035 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004036 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00004037 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004038}
4039
Eric Dumazet1191cb82012-04-27 21:39:21 +00004040static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004041{
Joe Perchesf1deab52011-08-14 12:16:21 +00004042 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004043}
4044
Eric Dumazet1191cb82012-04-27 21:39:21 +00004045static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4046 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004047{
4048 int i = 0;
4049 u32 cur_bit = 0;
4050 for (i = 0; sig; i++) {
4051 cur_bit = ((u32)0x1 << i);
4052 if (sig & cur_bit) {
4053 switch (cur_bit) {
4054 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004055 if (print)
4056 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004057 break;
4058 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004059 if (print)
4060 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004061 break;
4062 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004063 if (print)
4064 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004065 break;
4066 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004067 if (print)
4068 _print_next_block(par_num++,
4069 "SEARCHER");
4070 break;
4071 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4072 if (print)
4073 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004074 break;
4075 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004076 if (print)
4077 _print_next_block(par_num++, "TSEMI");
4078 break;
4079 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4080 if (print)
4081 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004082 break;
4083 }
4084
4085 /* Clear the bit */
4086 sig &= ~cur_bit;
4087 }
4088 }
4089
4090 return par_num;
4091}
4092
Eric Dumazet1191cb82012-04-27 21:39:21 +00004093static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4094 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004095{
4096 int i = 0;
4097 u32 cur_bit = 0;
4098 for (i = 0; sig; i++) {
4099 cur_bit = ((u32)0x1 << i);
4100 if (sig & cur_bit) {
4101 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004102 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4103 if (print)
4104 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004105 break;
4106 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004107 if (print)
4108 _print_next_block(par_num++, "QM");
4109 break;
4110 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4111 if (print)
4112 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004113 break;
4114 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004115 if (print)
4116 _print_next_block(par_num++, "XSDM");
4117 break;
4118 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4119 if (print)
4120 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004121 break;
4122 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004123 if (print)
4124 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004125 break;
4126 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004127 if (print)
4128 _print_next_block(par_num++,
4129 "DOORBELLQ");
4130 break;
4131 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4132 if (print)
4133 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004134 break;
4135 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004136 if (print)
4137 _print_next_block(par_num++,
4138 "VAUX PCI CORE");
4139 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004140 break;
4141 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004142 if (print)
4143 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004144 break;
4145 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004146 if (print)
4147 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004148 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004149 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4150 if (print)
4151 _print_next_block(par_num++, "UCM");
4152 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004153 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004154 if (print)
4155 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004156 break;
4157 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004158 if (print)
4159 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004160 break;
4161 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004162 if (print)
4163 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004164 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004165 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4166 if (print)
4167 _print_next_block(par_num++, "CCM");
4168 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004169 }
4170
4171 /* Clear the bit */
4172 sig &= ~cur_bit;
4173 }
4174 }
4175
4176 return par_num;
4177}
4178
Eric Dumazet1191cb82012-04-27 21:39:21 +00004179static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4180 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004181{
4182 int i = 0;
4183 u32 cur_bit = 0;
4184 for (i = 0; sig; i++) {
4185 cur_bit = ((u32)0x1 << i);
4186 if (sig & cur_bit) {
4187 switch (cur_bit) {
4188 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004189 if (print)
4190 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004191 break;
4192 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004193 if (print)
4194 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004195 break;
4196 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004197 if (print)
4198 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004199 "PXPPCICLOCKCLIENT");
4200 break;
4201 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004202 if (print)
4203 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004204 break;
4205 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004206 if (print)
4207 _print_next_block(par_num++, "CDU");
4208 break;
4209 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4210 if (print)
4211 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004212 break;
4213 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004214 if (print)
4215 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004216 break;
4217 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004218 if (print)
4219 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004220 break;
4221 }
4222
4223 /* Clear the bit */
4224 sig &= ~cur_bit;
4225 }
4226 }
4227
4228 return par_num;
4229}
4230
Eric Dumazet1191cb82012-04-27 21:39:21 +00004231static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4232 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004233{
4234 int i = 0;
4235 u32 cur_bit = 0;
4236 for (i = 0; sig; i++) {
4237 cur_bit = ((u32)0x1 << i);
4238 if (sig & cur_bit) {
4239 switch (cur_bit) {
4240 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004241 if (print)
4242 _print_next_block(par_num++, "MCP ROM");
4243 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004244 break;
4245 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004246 if (print)
4247 _print_next_block(par_num++,
4248 "MCP UMP RX");
4249 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004250 break;
4251 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004252 if (print)
4253 _print_next_block(par_num++,
4254 "MCP UMP TX");
4255 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004256 break;
4257 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004258 if (print)
4259 _print_next_block(par_num++,
4260 "MCP SCPAD");
4261 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004262 break;
4263 }
4264
4265 /* Clear the bit */
4266 sig &= ~cur_bit;
4267 }
4268 }
4269
4270 return par_num;
4271}
4272
Eric Dumazet1191cb82012-04-27 21:39:21 +00004273static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4274 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004275{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004276 int i = 0;
4277 u32 cur_bit = 0;
4278 for (i = 0; sig; i++) {
4279 cur_bit = ((u32)0x1 << i);
4280 if (sig & cur_bit) {
4281 switch (cur_bit) {
4282 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4283 if (print)
4284 _print_next_block(par_num++, "PGLUE_B");
4285 break;
4286 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4287 if (print)
4288 _print_next_block(par_num++, "ATC");
4289 break;
4290 }
4291
4292 /* Clear the bit */
4293 sig &= ~cur_bit;
4294 }
4295 }
4296
4297 return par_num;
4298}
4299
Eric Dumazet1191cb82012-04-27 21:39:21 +00004300static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4301 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004302{
4303 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4304 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4305 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4306 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4307 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004308 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004309 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4310 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004311 sig[0] & HW_PRTY_ASSERT_SET_0,
4312 sig[1] & HW_PRTY_ASSERT_SET_1,
4313 sig[2] & HW_PRTY_ASSERT_SET_2,
4314 sig[3] & HW_PRTY_ASSERT_SET_3,
4315 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004316 if (print)
4317 netdev_err(bp->dev,
4318 "Parity errors detected in blocks: ");
4319 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004320 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004321 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004322 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004323 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004324 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004325 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004326 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4327 par_num = bnx2x_check_blocks_with_parity4(
4328 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4329
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004330 if (print)
4331 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004332
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004333 return true;
4334 } else
4335 return false;
4336}
4337
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004338/**
4339 * bnx2x_chk_parity_attn - checks for parity attentions.
4340 *
4341 * @bp: driver handle
4342 * @global: true if there was a global attention
4343 * @print: show parity attention in syslog
4344 */
4345bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004346{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004347 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004348 int port = BP_PORT(bp);
4349
4350 attn.sig[0] = REG_RD(bp,
4351 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4352 port*4);
4353 attn.sig[1] = REG_RD(bp,
4354 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4355 port*4);
4356 attn.sig[2] = REG_RD(bp,
4357 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4358 port*4);
4359 attn.sig[3] = REG_RD(bp,
4360 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4361 port*4);
4362
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004363 if (!CHIP_IS_E1x(bp))
4364 attn.sig[4] = REG_RD(bp,
4365 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4366 port*4);
4367
4368 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004369}
4370
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004371
Eric Dumazet1191cb82012-04-27 21:39:21 +00004372static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004373{
4374 u32 val;
4375 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4376
4377 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4378 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4379 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004380 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004381 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004382 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004383 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004384 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004385 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004386 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004387 if (val &
4388 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004389 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004390 if (val &
4391 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004392 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004393 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004394 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004395 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004396 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004397 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004398 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004399 }
4400 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4401 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4402 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4403 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4404 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4405 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004406 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004407 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004408 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004409 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004410 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004411 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4412 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4413 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004414 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004415 }
4416
4417 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4418 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4419 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4420 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4421 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4422 }
4423
4424}
4425
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004426static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4427{
4428 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004429 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004430 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004431 u32 reg_addr;
4432 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004433 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004434 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435
4436 /* need to take HW lock because MCP or other port might also
4437 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004438 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004439
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004440 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4441#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004442 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004443 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004444 /* Disable HW interrupts */
4445 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004446 /* In case of parity errors don't handle attentions so that
4447 * other function would "see" parity errors.
4448 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004449#else
4450 bnx2x_panic();
4451#endif
4452 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004453 return;
4454 }
4455
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004456 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4457 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4458 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4459 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004460 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004461 attn.sig[4] =
4462 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4463 else
4464 attn.sig[4] = 0;
4465
4466 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4467 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004468
4469 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4470 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004471 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004472
Merav Sicron51c1a582012-03-18 10:33:38 +00004473 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004474 index,
4475 group_mask->sig[0], group_mask->sig[1],
4476 group_mask->sig[2], group_mask->sig[3],
4477 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004479 bnx2x_attn_int_deasserted4(bp,
4480 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004481 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004482 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004483 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004484 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004485 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004486 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004487 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004488 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004489 }
4490 }
4491
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004492 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004493
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004494 if (bp->common.int_block == INT_BLOCK_HC)
4495 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4496 COMMAND_REG_ATTN_BITS_CLR);
4497 else
4498 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004499
4500 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004501 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4502 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004503 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004504
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004505 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004506 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004507
4508 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4509 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4510
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004511 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4512 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004513
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004514 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4515 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004516 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004517 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4518
4519 REG_WR(bp, reg_addr, aeu_mask);
4520 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004521
4522 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4523 bp->attn_state &= ~deasserted;
4524 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4525}
4526
4527static void bnx2x_attn_int(struct bnx2x *bp)
4528{
4529 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004530 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4531 attn_bits);
4532 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4533 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004534 u32 attn_state = bp->attn_state;
4535
4536 /* look for changed bits */
4537 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4538 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4539
4540 DP(NETIF_MSG_HW,
4541 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4542 attn_bits, attn_ack, asserted, deasserted);
4543
4544 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004545 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004546
4547 /* handle bits that were raised */
4548 if (asserted)
4549 bnx2x_attn_int_asserted(bp, asserted);
4550
4551 if (deasserted)
4552 bnx2x_attn_int_deasserted(bp, deasserted);
4553}
4554
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004555void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4556 u16 index, u8 op, u8 update)
4557{
4558 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4559
4560 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4561 igu_addr);
4562}
4563
Eric Dumazet1191cb82012-04-27 21:39:21 +00004564static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004565{
4566 /* No memory barriers */
4567 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4568 mmiowb(); /* keep prod updates ordered */
4569}
4570
4571#ifdef BCM_CNIC
4572static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4573 union event_ring_elem *elem)
4574{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004575 u8 err = elem->message.error;
4576
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004577 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004578 (cid < bp->cnic_eth_dev.starting_cid &&
4579 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004580 return 1;
4581
4582 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4583
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004584 if (unlikely(err)) {
4585
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004586 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4587 cid);
4588 bnx2x_panic_dump(bp);
4589 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004590 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004591 return 0;
4592}
4593#endif
4594
Eric Dumazet1191cb82012-04-27 21:39:21 +00004595static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004596{
4597 struct bnx2x_mcast_ramrod_params rparam;
4598 int rc;
4599
4600 memset(&rparam, 0, sizeof(rparam));
4601
4602 rparam.mcast_obj = &bp->mcast_obj;
4603
4604 netif_addr_lock_bh(bp->dev);
4605
4606 /* Clear pending state for the last command */
4607 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4608
4609 /* If there are pending mcast commands - send them */
4610 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4611 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4612 if (rc < 0)
4613 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4614 rc);
4615 }
4616
4617 netif_addr_unlock_bh(bp->dev);
4618}
4619
Eric Dumazet1191cb82012-04-27 21:39:21 +00004620static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4621 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004622{
4623 unsigned long ramrod_flags = 0;
4624 int rc = 0;
4625 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4626 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4627
4628 /* Always push next commands out, don't wait here */
4629 __set_bit(RAMROD_CONT, &ramrod_flags);
4630
4631 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4632 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004633 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004634#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004635 if (cid == BNX2X_ISCSI_ETH_CID(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004636 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4637 else
4638#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004639 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004640
4641 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004642 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004643 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004644 /* This is only relevant for 57710 where multicast MACs are
4645 * configured as unicast MACs using the same ramrod.
4646 */
4647 bnx2x_handle_mcast_eqe(bp);
4648 return;
4649 default:
4650 BNX2X_ERR("Unsupported classification command: %d\n",
4651 elem->message.data.eth_event.echo);
4652 return;
4653 }
4654
4655 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4656
4657 if (rc < 0)
4658 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4659 else if (rc > 0)
4660 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4661
4662}
4663
4664#ifdef BCM_CNIC
4665static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4666#endif
4667
Eric Dumazet1191cb82012-04-27 21:39:21 +00004668static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004669{
4670 netif_addr_lock_bh(bp->dev);
4671
4672 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4673
4674 /* Send rx_mode command again if was requested */
4675 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4676 bnx2x_set_storm_rx_mode(bp);
4677#ifdef BCM_CNIC
4678 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4679 &bp->sp_state))
4680 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4681 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4682 &bp->sp_state))
4683 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4684#endif
4685
4686 netif_addr_unlock_bh(bp->dev);
4687}
4688
Eric Dumazet1191cb82012-04-27 21:39:21 +00004689static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004690 union event_ring_elem *elem)
4691{
4692 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4693 DP(BNX2X_MSG_SP,
4694 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4695 elem->message.data.vif_list_event.func_bit_map);
4696 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4697 elem->message.data.vif_list_event.func_bit_map);
4698 } else if (elem->message.data.vif_list_event.echo ==
4699 VIF_LIST_RULE_SET) {
4700 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4701 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4702 }
4703}
4704
4705/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004706static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004707{
4708 int q, rc;
4709 struct bnx2x_fastpath *fp;
4710 struct bnx2x_queue_state_params queue_params = {NULL};
4711 struct bnx2x_queue_update_params *q_update_params =
4712 &queue_params.params.update;
4713
4714 /* Send Q update command with afex vlan removal values for all Qs */
4715 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4716
4717 /* set silent vlan removal values according to vlan mode */
4718 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4719 &q_update_params->update_flags);
4720 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4721 &q_update_params->update_flags);
4722 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4723
4724 /* in access mode mark mask and value are 0 to strip all vlans */
4725 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4726 q_update_params->silent_removal_value = 0;
4727 q_update_params->silent_removal_mask = 0;
4728 } else {
4729 q_update_params->silent_removal_value =
4730 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4731 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4732 }
4733
4734 for_each_eth_queue(bp, q) {
4735 /* Set the appropriate Queue object */
4736 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004737 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004738
4739 /* send the ramrod */
4740 rc = bnx2x_queue_state_change(bp, &queue_params);
4741 if (rc < 0)
4742 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4743 q);
4744 }
4745
4746#ifdef BCM_CNIC
4747 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004748 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004749 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004750
4751 /* clear pending completion bit */
4752 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4753
4754 /* mark latest Q bit */
4755 smp_mb__before_clear_bit();
4756 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4757 smp_mb__after_clear_bit();
4758
4759 /* send Q update ramrod for FCoE Q */
4760 rc = bnx2x_queue_state_change(bp, &queue_params);
4761 if (rc < 0)
4762 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4763 q);
4764 } else {
4765 /* If no FCoE ring - ACK MCP now */
4766 bnx2x_link_report(bp);
4767 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4768 }
4769#else
4770 /* If no FCoE ring - ACK MCP now */
4771 bnx2x_link_report(bp);
4772 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4773#endif /* BCM_CNIC */
4774}
4775
Eric Dumazet1191cb82012-04-27 21:39:21 +00004776static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004777 struct bnx2x *bp, u32 cid)
4778{
Joe Perches94f05b02011-08-14 12:16:20 +00004779 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004780#ifdef BCM_CNIC
Merav Sicron37ae41a2012-06-19 07:48:27 +00004781 if (cid == BNX2X_FCOE_ETH_CID(bp))
Barak Witkowski15192a82012-06-19 07:48:28 +00004782 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004783 else
4784#endif
Barak Witkowski15192a82012-06-19 07:48:28 +00004785 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004786}
4787
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004788static void bnx2x_eq_int(struct bnx2x *bp)
4789{
4790 u16 hw_cons, sw_cons, sw_prod;
4791 union event_ring_elem *elem;
4792 u32 cid;
4793 u8 opcode;
4794 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004795 struct bnx2x_queue_sp_obj *q_obj;
4796 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4797 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004798
4799 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4800
4801 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4802 * when we get the the next-page we nned to adjust so the loop
4803 * condition below will be met. The next element is the size of a
4804 * regular element and hence incrementing by 1
4805 */
4806 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4807 hw_cons++;
4808
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004809 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004810 * specific bp, thus there is no need in "paired" read memory
4811 * barrier here.
4812 */
4813 sw_cons = bp->eq_cons;
4814 sw_prod = bp->eq_prod;
4815
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004816 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004817 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004818
4819 for (; sw_cons != hw_cons;
4820 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4821
4822
4823 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4824
4825 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4826 opcode = elem->message.opcode;
4827
4828
4829 /* handle eq element */
4830 switch (opcode) {
4831 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004832 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4833 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004834 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004835 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004836 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004837
4838 case EVENT_RING_OPCODE_CFC_DEL:
4839 /* handle according to cid range */
4840 /*
4841 * we may want to verify here that the bp state is
4842 * HALTING
4843 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004844 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004845 "got delete ramrod for MULTI[%d]\n", cid);
4846#ifdef BCM_CNIC
4847 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4848 goto next_spqe;
4849#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004850 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4851
4852 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4853 break;
4854
4855
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004856
4857 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004858
4859 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004860 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004861 if (f_obj->complete_cmd(bp, f_obj,
4862 BNX2X_F_CMD_TX_STOP))
4863 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004864 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4865 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004866
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004867 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004868 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004869 if (f_obj->complete_cmd(bp, f_obj,
4870 BNX2X_F_CMD_TX_START))
4871 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004872 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4873 goto next_spqe;
Barak Witkowskia3348722012-04-23 03:04:46 +00004874 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
4875 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4876 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4877 f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_AFEX_UPDATE);
4878
4879 /* We will perform the Queues update from sp_rtnl task
4880 * as all Queue SP operations should run under
4881 * rtnl_lock.
4882 */
4883 smp_mb__before_clear_bit();
4884 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4885 &bp->sp_rtnl_state);
4886 smp_mb__after_clear_bit();
4887
4888 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4889 goto next_spqe;
4890
4891 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4892 f_obj->complete_cmd(bp, f_obj,
4893 BNX2X_F_CMD_AFEX_VIFLISTS);
4894 bnx2x_after_afex_vif_lists(bp, elem);
4895 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004896 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004897 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4898 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004899 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4900 break;
4901
4902 goto next_spqe;
4903
4904 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004905 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4906 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004907 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4908 break;
4909
4910 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004911 }
4912
4913 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004914 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4915 BNX2X_STATE_OPEN):
4916 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004917 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004918 cid = elem->message.data.eth_event.echo &
4919 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004920 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004921 cid);
4922 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004923 break;
4924
4925 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4926 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004927 case (EVENT_RING_OPCODE_SET_MAC |
4928 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004929 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4930 BNX2X_STATE_OPEN):
4931 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4932 BNX2X_STATE_DIAG):
4933 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4934 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004935 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004936 bnx2x_handle_classification_eqe(bp, elem);
4937 break;
4938
4939 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4940 BNX2X_STATE_OPEN):
4941 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4942 BNX2X_STATE_DIAG):
4943 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4944 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004945 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004946 bnx2x_handle_mcast_eqe(bp);
4947 break;
4948
4949 case (EVENT_RING_OPCODE_FILTERS_RULES |
4950 BNX2X_STATE_OPEN):
4951 case (EVENT_RING_OPCODE_FILTERS_RULES |
4952 BNX2X_STATE_DIAG):
4953 case (EVENT_RING_OPCODE_FILTERS_RULES |
4954 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004955 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004956 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004957 break;
4958 default:
4959 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004960 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4961 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004962 }
4963next_spqe:
4964 spqe_cnt++;
4965 } /* for */
4966
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004967 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004968 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004969
4970 bp->eq_cons = sw_cons;
4971 bp->eq_prod = sw_prod;
4972 /* Make sure that above mem writes were issued towards the memory */
4973 smp_wmb();
4974
4975 /* update producer */
4976 bnx2x_update_eq_prod(bp, bp->eq_prod);
4977}
4978
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004979static void bnx2x_sp_task(struct work_struct *work)
4980{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004981 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004982 u16 status;
4983
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004984 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004985/* if (status == 0) */
4986/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004987
Merav Sicron51c1a582012-03-18 10:33:38 +00004988 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004989
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004990 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004991 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004992 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004993 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004994 }
4995
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004996 /* SP events: STAT_QUERY and others */
4997 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004998#ifdef BCM_CNIC
4999 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005000
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005001 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005002 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5003 /*
5004 * Prevent local bottom-halves from running as
5005 * we are going to change the local NAPI list.
5006 */
5007 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005008 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005009 local_bh_enable();
5010 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005011#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005012 /* Handle EQ completions */
5013 bnx2x_eq_int(bp);
5014
5015 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5016 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5017
5018 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005019 }
5020
5021 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005022 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005023 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005024
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005025 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5026 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005027
5028 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5029 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5030 &bp->sp_state)) {
5031 bnx2x_link_report(bp);
5032 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5033 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005034}
5035
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005036irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005037{
5038 struct net_device *dev = dev_instance;
5039 struct bnx2x *bp = netdev_priv(dev);
5040
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005041 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5042 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005043
5044#ifdef BNX2X_STOP_ON_ERROR
5045 if (unlikely(bp->panic))
5046 return IRQ_HANDLED;
5047#endif
5048
Michael Chan993ac7b2009-10-10 13:46:56 +00005049#ifdef BCM_CNIC
5050 {
5051 struct cnic_ops *c_ops;
5052
5053 rcu_read_lock();
5054 c_ops = rcu_dereference(bp->cnic_ops);
5055 if (c_ops)
5056 c_ops->cnic_handler(bp->cnic_data, NULL);
5057 rcu_read_unlock();
5058 }
5059#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005060 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005061
5062 return IRQ_HANDLED;
5063}
5064
5065/* end of slow path */
5066
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005067
5068void bnx2x_drv_pulse(struct bnx2x *bp)
5069{
5070 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5071 bp->fw_drv_pulse_wr_seq);
5072}
5073
5074
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005075static void bnx2x_timer(unsigned long data)
5076{
5077 struct bnx2x *bp = (struct bnx2x *) data;
5078
5079 if (!netif_running(bp->dev))
5080 return;
5081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005082 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005083 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005084 u32 drv_pulse;
5085 u32 mcp_pulse;
5086
5087 ++bp->fw_drv_pulse_wr_seq;
5088 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5089 /* TBD - add SYSTEM_TIME */
5090 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005091 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005092
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005093 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094 MCP_PULSE_SEQ_MASK);
5095 /* The delta between driver pulse and mcp response
5096 * should be 1 (before mcp response) or 0 (after mcp response)
5097 */
5098 if ((drv_pulse != mcp_pulse) &&
5099 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5100 /* someone lost a heartbeat... */
5101 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5102 drv_pulse, mcp_pulse);
5103 }
5104 }
5105
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005106 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005107 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005108
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005109 mod_timer(&bp->timer, jiffies + bp->current_interval);
5110}
5111
5112/* end of Statistics */
5113
5114/* nic init */
5115
5116/*
5117 * nic init service functions
5118 */
5119
Eric Dumazet1191cb82012-04-27 21:39:21 +00005120static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005121{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005122 u32 i;
5123 if (!(len%4) && !(addr%4))
5124 for (i = 0; i < len; i += 4)
5125 REG_WR(bp, addr + i, fill);
5126 else
5127 for (i = 0; i < len; i++)
5128 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005130}
5131
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005132/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005133static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5134 int fw_sb_id,
5135 u32 *sb_data_p,
5136 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005137{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005139 for (index = 0; index < data_size; index++)
5140 REG_WR(bp, BAR_CSTRORM_INTMEM +
5141 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5142 sizeof(u32)*index,
5143 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005144}
5145
Eric Dumazet1191cb82012-04-27 21:39:21 +00005146static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005147{
5148 u32 *sb_data_p;
5149 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005150 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005151 struct hc_status_block_data_e1x sb_data_e1x;
5152
5153 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005154 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005155 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005156 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005157 sb_data_e2.common.p_func.vf_valid = false;
5158 sb_data_p = (u32 *)&sb_data_e2;
5159 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5160 } else {
5161 memset(&sb_data_e1x, 0,
5162 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005163 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005164 sb_data_e1x.common.p_func.vf_valid = false;
5165 sb_data_p = (u32 *)&sb_data_e1x;
5166 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5167 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005168 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5169
5170 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5171 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5172 CSTORM_STATUS_BLOCK_SIZE);
5173 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5174 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5175 CSTORM_SYNC_BLOCK_SIZE);
5176}
5177
5178/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005179static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005180 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005181{
5182 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005183 int i;
5184 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5185 REG_WR(bp, BAR_CSTRORM_INTMEM +
5186 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5187 i*sizeof(u32),
5188 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005189}
5190
Eric Dumazet1191cb82012-04-27 21:39:21 +00005191static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005192{
5193 int func = BP_FUNC(bp);
5194 struct hc_sp_status_block_data sp_sb_data;
5195 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5196
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005197 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005198 sp_sb_data.p_func.vf_valid = false;
5199
5200 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5201
5202 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5203 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5204 CSTORM_SP_STATUS_BLOCK_SIZE);
5205 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5206 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5207 CSTORM_SP_SYNC_BLOCK_SIZE);
5208
5209}
5210
5211
Eric Dumazet1191cb82012-04-27 21:39:21 +00005212static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005213 int igu_sb_id, int igu_seg_id)
5214{
5215 hc_sm->igu_sb_id = igu_sb_id;
5216 hc_sm->igu_seg_id = igu_seg_id;
5217 hc_sm->timer_value = 0xFF;
5218 hc_sm->time_to_expire = 0xFFFFFFFF;
5219}
5220
David S. Miller8decf862011-09-22 03:23:13 -04005221
5222/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005223static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005224{
5225 /* zero out state machine indices */
5226 /* rx indices */
5227 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5228
5229 /* tx indices */
5230 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5231 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5232 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5233 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5234
5235 /* map indices */
5236 /* rx indices */
5237 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5238 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5239
5240 /* tx indices */
5241 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5242 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5243 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5244 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5245 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5246 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5247 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5248 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5249}
5250
stephen hemminger8d962862010-10-21 07:50:56 +00005251static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005252 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5253{
5254 int igu_seg_id;
5255
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005256 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005257 struct hc_status_block_data_e1x sb_data_e1x;
5258 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005259 int data_size;
5260 u32 *sb_data_p;
5261
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005262 if (CHIP_INT_MODE_IS_BC(bp))
5263 igu_seg_id = HC_SEG_ACCESS_NORM;
5264 else
5265 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005266
5267 bnx2x_zero_fp_sb(bp, fw_sb_id);
5268
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005269 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005270 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005271 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005272 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5273 sb_data_e2.common.p_func.vf_id = vfid;
5274 sb_data_e2.common.p_func.vf_valid = vf_valid;
5275 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5276 sb_data_e2.common.same_igu_sb_1b = true;
5277 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5278 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5279 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005280 sb_data_p = (u32 *)&sb_data_e2;
5281 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005282 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005283 } else {
5284 memset(&sb_data_e1x, 0,
5285 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005286 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005287 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5288 sb_data_e1x.common.p_func.vf_id = 0xff;
5289 sb_data_e1x.common.p_func.vf_valid = false;
5290 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5291 sb_data_e1x.common.same_igu_sb_1b = true;
5292 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5293 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5294 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005295 sb_data_p = (u32 *)&sb_data_e1x;
5296 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005297 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005299
5300 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5301 igu_sb_id, igu_seg_id);
5302 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5303 igu_sb_id, igu_seg_id);
5304
Merav Sicron51c1a582012-03-18 10:33:38 +00005305 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005306
5307 /* write indecies to HW */
5308 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5309}
5310
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005311static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005312 u16 tx_usec, u16 rx_usec)
5313{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005314 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005315 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005316 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5317 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5318 tx_usec);
5319 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5320 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5321 tx_usec);
5322 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5323 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5324 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005325}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005326
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005327static void bnx2x_init_def_sb(struct bnx2x *bp)
5328{
5329 struct host_sp_status_block *def_sb = bp->def_status_blk;
5330 dma_addr_t mapping = bp->def_status_blk_mapping;
5331 int igu_sp_sb_index;
5332 int igu_seg_id;
5333 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005334 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005335 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005336 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005337 int index;
5338 struct hc_sp_status_block_data sp_sb_data;
5339 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5340
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005341 if (CHIP_INT_MODE_IS_BC(bp)) {
5342 igu_sp_sb_index = DEF_SB_IGU_ID;
5343 igu_seg_id = HC_SEG_ACCESS_DEF;
5344 } else {
5345 igu_sp_sb_index = bp->igu_dsb_id;
5346 igu_seg_id = IGU_SEG_ACCESS_DEF;
5347 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005348
5349 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005350 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005351 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005352 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005353
Eliezer Tamir49d66772008-02-28 11:53:13 -08005354 bp->attn_state = 0;
5355
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005356 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5357 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005358 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5359 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005360 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005361 int sindex;
5362 /* take care of sig[0]..sig[4] */
5363 for (sindex = 0; sindex < 4; sindex++)
5364 bp->attn_group[index].sig[sindex] =
5365 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005366
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005367 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005368 /*
5369 * enable5 is separate from the rest of the registers,
5370 * and therefore the address skip is 4
5371 * and not 16 between the different groups
5372 */
5373 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005374 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005375 else
5376 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005377 }
5378
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005379 if (bp->common.int_block == INT_BLOCK_HC) {
5380 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5381 HC_REG_ATTN_MSG0_ADDR_L);
5382
5383 REG_WR(bp, reg_offset, U64_LO(section));
5384 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005385 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005386 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5387 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5388 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005389
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005390 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5391 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005392
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005393 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005394
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005395 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005396 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5397 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5398 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5399 sp_sb_data.igu_seg_id = igu_seg_id;
5400 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005401 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005402 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005403
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005404 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005406 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407}
5408
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005409void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005410{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005411 int i;
5412
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005413 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005414 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005415 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005416}
5417
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005418static void bnx2x_init_sp_ring(struct bnx2x *bp)
5419{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005421 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005422
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5425 bp->spq_prod_bd = bp->spq;
5426 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005427}
5428
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005429static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005430{
5431 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005432 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5433 union event_ring_elem *elem =
5434 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005435
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005436 elem->next_page.addr.hi =
5437 cpu_to_le32(U64_HI(bp->eq_mapping +
5438 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5439 elem->next_page.addr.lo =
5440 cpu_to_le32(U64_LO(bp->eq_mapping +
5441 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005442 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005443 bp->eq_cons = 0;
5444 bp->eq_prod = NUM_EQ_DESC;
5445 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005446 /* we want a warning message before it gets rought... */
5447 atomic_set(&bp->eq_spq_left,
5448 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005449}
5450
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005451
5452/* called with netif_addr_lock_bh() */
5453void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5454 unsigned long rx_mode_flags,
5455 unsigned long rx_accept_flags,
5456 unsigned long tx_accept_flags,
5457 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005458{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005459 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5460 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005461
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005462 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005463
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005464 /* Prepare ramrod parameters */
5465 ramrod_param.cid = 0;
5466 ramrod_param.cl_id = cl_id;
5467 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5468 ramrod_param.func_id = BP_FUNC(bp);
5469
5470 ramrod_param.pstate = &bp->sp_state;
5471 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5472
5473 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5474 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5475
5476 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5477
5478 ramrod_param.ramrod_flags = ramrod_flags;
5479 ramrod_param.rx_mode_flags = rx_mode_flags;
5480
5481 ramrod_param.rx_accept_flags = rx_accept_flags;
5482 ramrod_param.tx_accept_flags = tx_accept_flags;
5483
5484 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5485 if (rc < 0) {
5486 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5487 return;
5488 }
5489}
5490
5491/* called with netif_addr_lock_bh() */
5492void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5493{
5494 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5495 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5496
5497#ifdef BCM_CNIC
5498 if (!NO_FCOE(bp))
5499
5500 /* Configure rx_mode of FCoE Queue */
5501 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5502#endif
5503
5504 switch (bp->rx_mode) {
5505 case BNX2X_RX_MODE_NONE:
5506 /*
5507 * 'drop all' supersedes any accept flags that may have been
5508 * passed to the function.
5509 */
5510 break;
5511 case BNX2X_RX_MODE_NORMAL:
5512 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5513 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5514 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5515
5516 /* internal switching mode */
5517 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5518 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5519 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5520
5521 break;
5522 case BNX2X_RX_MODE_ALLMULTI:
5523 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5524 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5525 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5526
5527 /* internal switching mode */
5528 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5529 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5530 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5531
5532 break;
5533 case BNX2X_RX_MODE_PROMISC:
5534 /* According to deffinition of SI mode, iface in promisc mode
5535 * should receive matched and unmatched (in resolution of port)
5536 * unicast packets.
5537 */
5538 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5539 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5540 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5541 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5542
5543 /* internal switching mode */
5544 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5545 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5546
5547 if (IS_MF_SI(bp))
5548 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5549 else
5550 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5551
5552 break;
5553 default:
5554 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5555 return;
5556 }
5557
5558 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5559 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5560 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5561 }
5562
5563 __set_bit(RAMROD_RX, &ramrod_flags);
5564 __set_bit(RAMROD_TX, &ramrod_flags);
5565
5566 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5567 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005568}
5569
Eilon Greenstein471de712008-08-13 15:49:35 -07005570static void bnx2x_init_internal_common(struct bnx2x *bp)
5571{
5572 int i;
5573
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005574 if (IS_MF_SI(bp))
5575 /*
5576 * In switch independent mode, the TSTORM needs to accept
5577 * packets that failed classification, since approximate match
5578 * mac addresses aren't written to NIG LLH
5579 */
5580 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5581 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005582 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5583 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5584 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005585
Eilon Greenstein471de712008-08-13 15:49:35 -07005586 /* Zero this manually as its initialization is
5587 currently missing in the initTool */
5588 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5589 REG_WR(bp, BAR_USTRORM_INTMEM +
5590 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005591 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005592 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5593 CHIP_INT_MODE_IS_BC(bp) ?
5594 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5595 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005596}
5597
Eilon Greenstein471de712008-08-13 15:49:35 -07005598static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5599{
5600 switch (load_code) {
5601 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005602 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005603 bnx2x_init_internal_common(bp);
5604 /* no break */
5605
5606 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005607 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005608 /* no break */
5609
5610 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005611 /* internal memory per function is
5612 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005613 break;
5614
5615 default:
5616 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5617 break;
5618 }
5619}
5620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005621static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5622{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005623 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005624}
5625
5626static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5627{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005628 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005629}
5630
Eric Dumazet1191cb82012-04-27 21:39:21 +00005631static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005632{
5633 if (CHIP_IS_E1x(fp->bp))
5634 return BP_L_ID(fp->bp) + fp->index;
5635 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5636 return bnx2x_fp_igu_sb_id(fp);
5637}
5638
Ariel Elior6383c0b2011-07-14 08:31:57 +00005639static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005640{
5641 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005642 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005643 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005644 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005645 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005646 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005647 fp->cl_id = bnx2x_fp_cl_id(fp);
5648 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5649 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005650 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005651 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005654 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005655
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005656 /* Setup SB indicies */
5657 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005659 /* Configure Queue State object */
5660 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5661 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005662
5663 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5664
5665 /* init tx data */
5666 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005667 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5668 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5669 FP_COS_TO_TXQ(fp, cos, bp),
5670 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5671 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005672 }
5673
Barak Witkowski15192a82012-06-19 07:48:28 +00005674 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5675 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005676 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005677
5678 /**
5679 * Configure classification DBs: Always enable Tx switching
5680 */
5681 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5682
Merav Sicron51c1a582012-03-18 10:33:38 +00005683 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 +03005684 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005685 fp->igu_sb_id);
5686 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5687 fp->fw_sb_id, fp->igu_sb_id);
5688
5689 bnx2x_update_fpsb_idx(fp);
5690}
5691
Eric Dumazet1191cb82012-04-27 21:39:21 +00005692static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5693{
5694 int i;
5695
5696 for (i = 1; i <= NUM_TX_RINGS; i++) {
5697 struct eth_tx_next_bd *tx_next_bd =
5698 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5699
5700 tx_next_bd->addr_hi =
5701 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5702 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5703 tx_next_bd->addr_lo =
5704 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5705 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5706 }
5707
5708 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5709 txdata->tx_db.data.zero_fill1 = 0;
5710 txdata->tx_db.data.prod = 0;
5711
5712 txdata->tx_pkt_prod = 0;
5713 txdata->tx_pkt_cons = 0;
5714 txdata->tx_bd_prod = 0;
5715 txdata->tx_bd_cons = 0;
5716 txdata->tx_pkt = 0;
5717}
5718
5719static void bnx2x_init_tx_rings(struct bnx2x *bp)
5720{
5721 int i;
5722 u8 cos;
5723
5724 for_each_tx_queue(bp, i)
5725 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005726 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005727}
5728
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005729void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005730{
5731 int i;
5732
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005733 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005734 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005735#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005736 if (!NO_FCOE(bp))
5737 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005738
5739 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5740 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005741 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005742
Michael Chan37b091b2009-10-10 13:46:55 +00005743#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005744
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005745 /* Initialize MOD_ABS interrupts */
5746 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5747 bp->common.shmem_base, bp->common.shmem2_base,
5748 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005749 /* ensure status block indices were read */
5750 rmb();
5751
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005752 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005753 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005754 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005755 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005756 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005757 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005758 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005759 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005760 bnx2x_stats_init(bp);
5761
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005762 /* flush all before enabling interrupts */
5763 mb();
5764 mmiowb();
5765
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005766 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005767
5768 /* Check for SPIO5 */
5769 bnx2x_attn_int_deasserted0(bp,
5770 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5771 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005772}
5773
5774/* end of nic init */
5775
5776/*
5777 * gzip service functions
5778 */
5779
5780static int bnx2x_gunzip_init(struct bnx2x *bp)
5781{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005782 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5783 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005784 if (bp->gunzip_buf == NULL)
5785 goto gunzip_nomem1;
5786
5787 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5788 if (bp->strm == NULL)
5789 goto gunzip_nomem2;
5790
David S. Miller7ab24bf2011-06-29 05:48:41 -07005791 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005792 if (bp->strm->workspace == NULL)
5793 goto gunzip_nomem3;
5794
5795 return 0;
5796
5797gunzip_nomem3:
5798 kfree(bp->strm);
5799 bp->strm = NULL;
5800
5801gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005802 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5803 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005804 bp->gunzip_buf = NULL;
5805
5806gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005807 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005808 return -ENOMEM;
5809}
5810
5811static void bnx2x_gunzip_end(struct bnx2x *bp)
5812{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005813 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005814 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005815 kfree(bp->strm);
5816 bp->strm = NULL;
5817 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818
5819 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005820 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5821 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005822 bp->gunzip_buf = NULL;
5823 }
5824}
5825
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005826static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005827{
5828 int n, rc;
5829
5830 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005831 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5832 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005833 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005834 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005835
5836 n = 10;
5837
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005838#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005839
5840 if (zbuf[3] & FNAME)
5841 while ((zbuf[n++] != 0) && (n < len));
5842
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005843 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005844 bp->strm->avail_in = len - n;
5845 bp->strm->next_out = bp->gunzip_buf;
5846 bp->strm->avail_out = FW_BUF_SIZE;
5847
5848 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5849 if (rc != Z_OK)
5850 return rc;
5851
5852 rc = zlib_inflate(bp->strm, Z_FINISH);
5853 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005854 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5855 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005856
5857 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5858 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005859 netdev_err(bp->dev,
5860 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005861 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005862 bp->gunzip_outlen >>= 2;
5863
5864 zlib_inflateEnd(bp->strm);
5865
5866 if (rc == Z_STREAM_END)
5867 return 0;
5868
5869 return rc;
5870}
5871
5872/* nic load/unload */
5873
5874/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005875 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005876 */
5877
5878/* send a NIG loopback debug packet */
5879static void bnx2x_lb_pckt(struct bnx2x *bp)
5880{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005881 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005882
5883 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005884 wb_write[0] = 0x55555555;
5885 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005886 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005887 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005888
5889 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005890 wb_write[0] = 0x09000000;
5891 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005892 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005893 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005894}
5895
5896/* some of the internal memories
5897 * are not directly readable from the driver
5898 * to test them we send debug packets
5899 */
5900static int bnx2x_int_mem_test(struct bnx2x *bp)
5901{
5902 int factor;
5903 int count, i;
5904 u32 val = 0;
5905
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005906 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005907 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005908 else if (CHIP_REV_IS_EMUL(bp))
5909 factor = 200;
5910 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005911 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005912
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005913 /* Disable inputs of parser neighbor blocks */
5914 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5915 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5916 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005917 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005918
5919 /* Write 0 to parser credits for CFC search request */
5920 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5921
5922 /* send Ethernet packet */
5923 bnx2x_lb_pckt(bp);
5924
5925 /* TODO do i reset NIG statistic? */
5926 /* Wait until NIG register shows 1 packet of size 0x10 */
5927 count = 1000 * factor;
5928 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005929
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5931 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932 if (val == 0x10)
5933 break;
5934
5935 msleep(10);
5936 count--;
5937 }
5938 if (val != 0x10) {
5939 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5940 return -1;
5941 }
5942
5943 /* Wait until PRS register shows 1 packet */
5944 count = 1000 * factor;
5945 while (count) {
5946 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947 if (val == 1)
5948 break;
5949
5950 msleep(10);
5951 count--;
5952 }
5953 if (val != 0x1) {
5954 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5955 return -2;
5956 }
5957
5958 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005959 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005960 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005961 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005962 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005963 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5964 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005965
5966 DP(NETIF_MSG_HW, "part2\n");
5967
5968 /* Disable inputs of parser neighbor blocks */
5969 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5970 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5971 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005972 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973
5974 /* Write 0 to parser credits for CFC search request */
5975 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5976
5977 /* send 10 Ethernet packets */
5978 for (i = 0; i < 10; i++)
5979 bnx2x_lb_pckt(bp);
5980
5981 /* Wait until NIG register shows 10 + 1
5982 packets of size 11*0x10 = 0xb0 */
5983 count = 1000 * factor;
5984 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005985
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5987 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988 if (val == 0xb0)
5989 break;
5990
5991 msleep(10);
5992 count--;
5993 }
5994 if (val != 0xb0) {
5995 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5996 return -3;
5997 }
5998
5999 /* Wait until PRS register shows 2 packets */
6000 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6001 if (val != 2)
6002 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6003
6004 /* Write 1 to parser credits for CFC search request */
6005 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6006
6007 /* Wait until PRS register shows 3 packets */
6008 msleep(10 * factor);
6009 /* Wait until NIG register shows 1 packet of size 0x10 */
6010 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6011 if (val != 3)
6012 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6013
6014 /* clear NIG EOP FIFO */
6015 for (i = 0; i < 11; i++)
6016 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6017 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6018 if (val != 1) {
6019 BNX2X_ERR("clear of NIG failed\n");
6020 return -4;
6021 }
6022
6023 /* Reset and init BRB, PRS, NIG */
6024 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6025 msleep(50);
6026 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6027 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006028 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6029 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006030#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031 /* set NIC mode */
6032 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6033#endif
6034
6035 /* Enable inputs of parser neighbor blocks */
6036 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6037 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6038 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006039 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006040
6041 DP(NETIF_MSG_HW, "done\n");
6042
6043 return 0; /* OK */
6044}
6045
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006046static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006047{
6048 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006049 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006050 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6051 else
6052 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6054 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006055 /*
6056 * mask read length error interrupts in brb for parser
6057 * (parsing unit and 'checksum and crc' unit)
6058 * these errors are legal (PU reads fixed length and CAC can cause
6059 * read length error on truncated packets)
6060 */
6061 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006062 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6063 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6064 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6065 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6066 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006067/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6068/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6070 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6071 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006072/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6073/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6075 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6076 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6077 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006078/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6079/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006080
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006081 if (CHIP_REV_IS_FPGA(bp))
6082 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006083 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006084 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6085 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6086 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6087 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6088 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6089 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006090 else
6091 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006092 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6093 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6094 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006095/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006096
6097 if (!CHIP_IS_E1x(bp))
6098 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6099 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6100
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6102 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006103/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006104 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105}
6106
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006107static void bnx2x_reset_common(struct bnx2x *bp)
6108{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006109 u32 val = 0x1400;
6110
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006111 /* reset_common */
6112 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6113 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006114
6115 if (CHIP_IS_E3(bp)) {
6116 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6117 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6118 }
6119
6120 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6121}
6122
6123static void bnx2x_setup_dmae(struct bnx2x *bp)
6124{
6125 bp->dmae_ready = 0;
6126 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006127}
6128
Eilon Greenstein573f2032009-08-12 08:24:14 +00006129static void bnx2x_init_pxp(struct bnx2x *bp)
6130{
6131 u16 devctl;
6132 int r_order, w_order;
6133
6134 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00006135 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006136 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6137 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6138 if (bp->mrrs == -1)
6139 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6140 else {
6141 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6142 r_order = bp->mrrs;
6143 }
6144
6145 bnx2x_init_pxp_arb(bp, r_order, w_order);
6146}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006147
6148static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6149{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006150 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006151 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006152 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006153
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006154 if (BP_NOMCP(bp))
6155 return;
6156
6157 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006158 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6159 SHARED_HW_CFG_FAN_FAILURE_MASK;
6160
6161 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6162 is_required = 1;
6163
6164 /*
6165 * The fan failure mechanism is usually related to the PHY type since
6166 * the power consumption of the board is affected by the PHY. Currently,
6167 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6168 */
6169 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6170 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006171 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006172 bnx2x_fan_failure_det_req(
6173 bp,
6174 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006175 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006176 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006177 }
6178
6179 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6180
6181 if (is_required == 0)
6182 return;
6183
6184 /* Fan failure is indicated by SPIO 5 */
6185 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6186 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6187
6188 /* set to active low mode */
6189 val = REG_RD(bp, MISC_REG_SPIO_INT);
6190 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006191 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006192 REG_WR(bp, MISC_REG_SPIO_INT, val);
6193
6194 /* enable interrupt to signal the IGU */
6195 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6196 val |= (1 << MISC_REGISTERS_SPIO_5);
6197 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6198}
6199
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006200static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6201{
6202 u32 offset = 0;
6203
6204 if (CHIP_IS_E1(bp))
6205 return;
6206 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6207 return;
6208
6209 switch (BP_ABS_FUNC(bp)) {
6210 case 0:
6211 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6212 break;
6213 case 1:
6214 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6215 break;
6216 case 2:
6217 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6218 break;
6219 case 3:
6220 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6221 break;
6222 case 4:
6223 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6224 break;
6225 case 5:
6226 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6227 break;
6228 case 6:
6229 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6230 break;
6231 case 7:
6232 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6233 break;
6234 default:
6235 return;
6236 }
6237
6238 REG_WR(bp, offset, pretend_func_num);
6239 REG_RD(bp, offset);
6240 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6241}
6242
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006243void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006244{
6245 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6246 val &= ~IGU_PF_CONF_FUNC_EN;
6247
6248 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6249 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6250 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6251}
6252
Eric Dumazet1191cb82012-04-27 21:39:21 +00006253static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006254{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006255 u32 shmem_base[2], shmem2_base[2];
6256 shmem_base[0] = bp->common.shmem_base;
6257 shmem2_base[0] = bp->common.shmem2_base;
6258 if (!CHIP_IS_E1x(bp)) {
6259 shmem_base[1] =
6260 SHMEM2_RD(bp, other_shmem_base_addr);
6261 shmem2_base[1] =
6262 SHMEM2_RD(bp, other_shmem2_base_addr);
6263 }
6264 bnx2x_acquire_phy_lock(bp);
6265 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6266 bp->common.chip_id);
6267 bnx2x_release_phy_lock(bp);
6268}
6269
6270/**
6271 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6272 *
6273 * @bp: driver handle
6274 */
6275static int bnx2x_init_hw_common(struct bnx2x *bp)
6276{
6277 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006278
Merav Sicron51c1a582012-03-18 10:33:38 +00006279 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006280
David S. Miller823dcd22011-08-20 10:39:12 -07006281 /*
6282 * take the UNDI lock to protect undi_unload flow from accessing
6283 * registers while we're resetting the chip
6284 */
David S. Miller8decf862011-09-22 03:23:13 -04006285 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006286
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006287 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006288 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006289
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006290 val = 0xfffc;
6291 if (CHIP_IS_E3(bp)) {
6292 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6293 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6294 }
6295 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006296
David S. Miller8decf862011-09-22 03:23:13 -04006297 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006298
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006299 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6300
6301 if (!CHIP_IS_E1x(bp)) {
6302 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006303
6304 /**
6305 * 4-port mode or 2-port mode we need to turn of master-enable
6306 * for everyone, after that, turn it back on for self.
6307 * so, we disregard multi-function or not, and always disable
6308 * for all functions on the given path, this means 0,2,4,6 for
6309 * path 0 and 1,3,5,7 for path 1
6310 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006311 for (abs_func_id = BP_PATH(bp);
6312 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6313 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006314 REG_WR(bp,
6315 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6316 1);
6317 continue;
6318 }
6319
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006320 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006321 /* clear pf enable */
6322 bnx2x_pf_disable(bp);
6323 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6324 }
6325 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006326
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006327 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006328 if (CHIP_IS_E1(bp)) {
6329 /* enable HW interrupt from PXP on USDM overflow
6330 bit 16 on INT_MASK_0 */
6331 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006332 }
6333
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006334 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006335 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006336
6337#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6339 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6340 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6341 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6342 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006343 /* make sure this value is 0 */
6344 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006346/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6347 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6348 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6349 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6350 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006351#endif
6352
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006353 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6354
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006355 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6356 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006358 /* let the HW do it's magic ... */
6359 msleep(100);
6360 /* finish PXP init */
6361 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6362 if (val != 1) {
6363 BNX2X_ERR("PXP2 CFG failed\n");
6364 return -EBUSY;
6365 }
6366 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6367 if (val != 1) {
6368 BNX2X_ERR("PXP2 RD_INIT failed\n");
6369 return -EBUSY;
6370 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006371
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006372 /* Timers bug workaround E2 only. We need to set the entire ILT to
6373 * have entries with value "0" and valid bit on.
6374 * This needs to be done by the first PF that is loaded in a path
6375 * (i.e. common phase)
6376 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006377 if (!CHIP_IS_E1x(bp)) {
6378/* In E2 there is a bug in the timers block that can cause function 6 / 7
6379 * (i.e. vnic3) to start even if it is marked as "scan-off".
6380 * This occurs when a different function (func2,3) is being marked
6381 * as "scan-off". Real-life scenario for example: if a driver is being
6382 * load-unloaded while func6,7 are down. This will cause the timer to access
6383 * the ilt, translate to a logical address and send a request to read/write.
6384 * Since the ilt for the function that is down is not valid, this will cause
6385 * a translation error which is unrecoverable.
6386 * The Workaround is intended to make sure that when this happens nothing fatal
6387 * will occur. The workaround:
6388 * 1. First PF driver which loads on a path will:
6389 * a. After taking the chip out of reset, by using pretend,
6390 * it will write "0" to the following registers of
6391 * the other vnics.
6392 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6393 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6394 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6395 * And for itself it will write '1' to
6396 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6397 * dmae-operations (writing to pram for example.)
6398 * note: can be done for only function 6,7 but cleaner this
6399 * way.
6400 * b. Write zero+valid to the entire ILT.
6401 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6402 * VNIC3 (of that port). The range allocated will be the
6403 * entire ILT. This is needed to prevent ILT range error.
6404 * 2. Any PF driver load flow:
6405 * a. ILT update with the physical addresses of the allocated
6406 * logical pages.
6407 * b. Wait 20msec. - note that this timeout is needed to make
6408 * sure there are no requests in one of the PXP internal
6409 * queues with "old" ILT addresses.
6410 * c. PF enable in the PGLC.
6411 * d. Clear the was_error of the PF in the PGLC. (could have
6412 * occured while driver was down)
6413 * e. PF enable in the CFC (WEAK + STRONG)
6414 * f. Timers scan enable
6415 * 3. PF driver unload flow:
6416 * a. Clear the Timers scan_en.
6417 * b. Polling for scan_on=0 for that PF.
6418 * c. Clear the PF enable bit in the PXP.
6419 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6420 * e. Write zero+valid to all ILT entries (The valid bit must
6421 * stay set)
6422 * f. If this is VNIC 3 of a port then also init
6423 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6424 * to the last enrty in the ILT.
6425 *
6426 * Notes:
6427 * Currently the PF error in the PGLC is non recoverable.
6428 * In the future the there will be a recovery routine for this error.
6429 * Currently attention is masked.
6430 * Having an MCP lock on the load/unload process does not guarantee that
6431 * there is no Timer disable during Func6/7 enable. This is because the
6432 * Timers scan is currently being cleared by the MCP on FLR.
6433 * Step 2.d can be done only for PF6/7 and the driver can also check if
6434 * there is error before clearing it. But the flow above is simpler and
6435 * more general.
6436 * All ILT entries are written by zero+valid and not just PF6/7
6437 * ILT entries since in the future the ILT entries allocation for
6438 * PF-s might be dynamic.
6439 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006440 struct ilt_client_info ilt_cli;
6441 struct bnx2x_ilt ilt;
6442 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6443 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6444
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006445 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006446 ilt_cli.start = 0;
6447 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6448 ilt_cli.client_num = ILT_CLIENT_TM;
6449
6450 /* Step 1: set zeroes to all ilt page entries with valid bit on
6451 * Step 2: set the timers first/last ilt entry to point
6452 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006453 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006454 *
6455 * both steps performed by call to bnx2x_ilt_client_init_op()
6456 * with dummy TM client
6457 *
6458 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6459 * and his brother are split registers
6460 */
6461 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6462 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6463 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6464
6465 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6466 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6467 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6468 }
6469
6470
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006471 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6472 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006473
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006474 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006475 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6476 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006477 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006478
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006479 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006480
6481 /* let the HW do it's magic ... */
6482 do {
6483 msleep(200);
6484 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6485 } while (factor-- && (val != 1));
6486
6487 if (val != 1) {
6488 BNX2X_ERR("ATC_INIT failed\n");
6489 return -EBUSY;
6490 }
6491 }
6492
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006493 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006494
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006495 /* clean the DMAE memory */
6496 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006497 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006498
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006499 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6500
6501 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6502
6503 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6504
6505 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006507 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6508 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6509 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6510 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6511
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006512 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006513
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006514
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006515 /* QM queues pointers table */
6516 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006517
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006518 /* soft reset pulse */
6519 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6520 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006521
Michael Chan37b091b2009-10-10 13:46:55 +00006522#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006523 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006524#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006525
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006526 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006527 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006528 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006529 /* enable hw interrupt from doorbell Q */
6530 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006531
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006532 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006533
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006534 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006535 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006536
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006537 if (!CHIP_IS_E1(bp))
6538 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6539
Barak Witkowskia3348722012-04-23 03:04:46 +00006540 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6541 if (IS_MF_AFEX(bp)) {
6542 /* configure that VNTag and VLAN headers must be
6543 * received in afex mode
6544 */
6545 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6546 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6547 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6548 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6549 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6550 } else {
6551 /* Bit-map indicating which L2 hdrs may appear
6552 * after the basic Ethernet header
6553 */
6554 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6555 bp->path_has_ovlan ? 7 : 6);
6556 }
6557 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006558
6559 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6560 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6561 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6562 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6563
6564 if (!CHIP_IS_E1x(bp)) {
6565 /* reset VFC memories */
6566 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6567 VFC_MEMORIES_RST_REG_CAM_RST |
6568 VFC_MEMORIES_RST_REG_RAM_RST);
6569 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6570 VFC_MEMORIES_RST_REG_CAM_RST |
6571 VFC_MEMORIES_RST_REG_RAM_RST);
6572
6573 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006574 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006575
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006576 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6577 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6578 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6579 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006580
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006581 /* sync semi rtc */
6582 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6583 0x80000000);
6584 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6585 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006586
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006587 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6588 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6589 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006590
Barak Witkowskia3348722012-04-23 03:04:46 +00006591 if (!CHIP_IS_E1x(bp)) {
6592 if (IS_MF_AFEX(bp)) {
6593 /* configure that VNTag and VLAN headers must be
6594 * sent in afex mode
6595 */
6596 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6597 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6598 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6599 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6600 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6601 } else {
6602 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6603 bp->path_has_ovlan ? 7 : 6);
6604 }
6605 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006606
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006607 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006608
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006609 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6610
Michael Chan37b091b2009-10-10 13:46:55 +00006611#ifdef BCM_CNIC
6612 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6613 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6614 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6615 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6616 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6617 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6618 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6619 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6620 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6621 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6622#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006623 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006624
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006625 if (sizeof(union cdu_context) != 1024)
6626 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006627 dev_alert(&bp->pdev->dev,
6628 "please adjust the size of cdu_context(%ld)\n",
6629 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006630
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006631 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006632 val = (4 << 24) + (0 << 12) + 1024;
6633 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006634
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006635 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006636 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006637 /* enable context validation interrupt from CFC */
6638 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6639
6640 /* set the thresholds to prevent CFC/CDU race */
6641 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006642
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006643 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006644
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006645 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006646 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6647
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006648 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6649 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006651 /* Reset PCIE errors for debug */
6652 REG_WR(bp, 0x2814, 0xffffffff);
6653 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006654
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006655 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006656 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6657 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6658 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6659 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6660 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6661 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6662 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6663 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6664 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6665 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6666 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6667 }
6668
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006669 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006670 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006671 /* in E3 this done in per-port section */
6672 if (!CHIP_IS_E3(bp))
6673 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6674 }
6675 if (CHIP_IS_E1H(bp))
6676 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006677 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006678
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006679 if (CHIP_REV_IS_SLOW(bp))
6680 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006682 /* finish CFC init */
6683 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6684 if (val != 1) {
6685 BNX2X_ERR("CFC LL_INIT failed\n");
6686 return -EBUSY;
6687 }
6688 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6689 if (val != 1) {
6690 BNX2X_ERR("CFC AC_INIT failed\n");
6691 return -EBUSY;
6692 }
6693 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6694 if (val != 1) {
6695 BNX2X_ERR("CFC CAM_INIT failed\n");
6696 return -EBUSY;
6697 }
6698 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006699
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006700 if (CHIP_IS_E1(bp)) {
6701 /* read NIG statistic
6702 to see if this is our first up since powerup */
6703 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6704 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006705
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006706 /* do internal memory self test */
6707 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6708 BNX2X_ERR("internal mem self test failed\n");
6709 return -EBUSY;
6710 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006711 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006712
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006713 bnx2x_setup_fan_failure_detection(bp);
6714
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006715 /* clear PXP2 attentions */
6716 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006717
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006718 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006719 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006720
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006721 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006722 if (CHIP_IS_E1x(bp))
6723 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006724 } else
6725 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6726
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006727 return 0;
6728}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006729
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006730/**
6731 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6732 *
6733 * @bp: driver handle
6734 */
6735static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6736{
6737 int rc = bnx2x_init_hw_common(bp);
6738
6739 if (rc)
6740 return rc;
6741
6742 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6743 if (!BP_NOMCP(bp))
6744 bnx2x__common_init_phy(bp);
6745
6746 return 0;
6747}
6748
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006749static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006750{
6751 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006752 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006753 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006754 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006755
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006756 bnx2x__link_reset(bp);
6757
Merav Sicron51c1a582012-03-18 10:33:38 +00006758 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006759
6760 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006761
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006762 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6763 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6764 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006765
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006766 /* Timers bug workaround: disables the pf_master bit in pglue at
6767 * common phase, we need to enable it here before any dmae access are
6768 * attempted. Therefore we manually added the enable-master to the
6769 * port phase (it also happens in the function phase)
6770 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006771 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006772 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006774 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6775 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6776 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6777 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6778
6779 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6780 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6781 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6782 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006783
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006784 /* QM cid (connection) count */
6785 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006786
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006787#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006788 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006789 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6790 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006791#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006792
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006793 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006794
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006795 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006796 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6797
6798 if (IS_MF(bp))
6799 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6800 else if (bp->dev->mtu > 4096) {
6801 if (bp->flags & ONE_PORT_FLAG)
6802 low = 160;
6803 else {
6804 val = bp->dev->mtu;
6805 /* (24*1024 + val*4)/256 */
6806 low = 96 + (val/64) +
6807 ((val % 64) ? 1 : 0);
6808 }
6809 } else
6810 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6811 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006812 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6813 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6814 }
6815
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006816 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006817 REG_WR(bp, (BP_PORT(bp) ?
6818 BRB1_REG_MAC_GUARANTIED_1 :
6819 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006820
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006821
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006822 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006823 if (CHIP_IS_E3B0(bp)) {
6824 if (IS_MF_AFEX(bp)) {
6825 /* configure headers for AFEX mode */
6826 REG_WR(bp, BP_PORT(bp) ?
6827 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6828 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6829 REG_WR(bp, BP_PORT(bp) ?
6830 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6831 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6832 REG_WR(bp, BP_PORT(bp) ?
6833 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6834 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6835 } else {
6836 /* Ovlan exists only if we are in multi-function +
6837 * switch-dependent mode, in switch-independent there
6838 * is no ovlan headers
6839 */
6840 REG_WR(bp, BP_PORT(bp) ?
6841 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6842 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6843 (bp->path_has_ovlan ? 7 : 6));
6844 }
6845 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006846
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006847 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6848 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6849 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6850 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6851
6852 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6853 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6854 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6855 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6856
6857 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6858 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6859
6860 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6861
6862 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006863 /* configure PBF to work without PAUSE mtu 9000 */
6864 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006865
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006866 /* update threshold */
6867 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6868 /* update init credit */
6869 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006870
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006871 /* probe changes */
6872 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6873 udelay(50);
6874 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6875 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006876
Michael Chan37b091b2009-10-10 13:46:55 +00006877#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006878 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006879#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006880 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6881 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006882
6883 if (CHIP_IS_E1(bp)) {
6884 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6885 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6886 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006887 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006888
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006889 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006890
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006891 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006892 /* init aeu_mask_attn_func_0/1:
6893 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6894 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6895 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006896 val = IS_MF(bp) ? 0xF7 : 0x7;
6897 /* Enable DCBX attention for all but E1 */
6898 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6899 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006900
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006901 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006902
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006903 if (!CHIP_IS_E1x(bp)) {
6904 /* Bit-map indicating which L2 hdrs may appear after the
6905 * basic Ethernet header
6906 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006907 if (IS_MF_AFEX(bp))
6908 REG_WR(bp, BP_PORT(bp) ?
6909 NIG_REG_P1_HDRS_AFTER_BASIC :
6910 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6911 else
6912 REG_WR(bp, BP_PORT(bp) ?
6913 NIG_REG_P1_HDRS_AFTER_BASIC :
6914 NIG_REG_P0_HDRS_AFTER_BASIC,
6915 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006917 if (CHIP_IS_E3(bp))
6918 REG_WR(bp, BP_PORT(bp) ?
6919 NIG_REG_LLH1_MF_MODE :
6920 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6921 }
6922 if (!CHIP_IS_E3(bp))
6923 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006924
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006925 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006926 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006927 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006928 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006929
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006930 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006931 val = 0;
6932 switch (bp->mf_mode) {
6933 case MULTI_FUNCTION_SD:
6934 val = 1;
6935 break;
6936 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006937 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006938 val = 2;
6939 break;
6940 }
6941
6942 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6943 NIG_REG_LLH0_CLS_TYPE), val);
6944 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006945 {
6946 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6947 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6948 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6949 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006950 }
6951
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006952
6953 /* If SPIO5 is set to generate interrupts, enable it for this port */
6954 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6955 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006956 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6957 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6958 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006959 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006960 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006961 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006962
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006963 return 0;
6964}
6965
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006966static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6967{
6968 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006969 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006970
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006971 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006972 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006973 else
6974 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006975
Yuval Mintz32d68de2012-04-03 18:41:24 +00006976 wb_write[0] = ONCHIP_ADDR1(addr);
6977 wb_write[1] = ONCHIP_ADDR2(addr);
6978 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006979}
6980
Eric Dumazet1191cb82012-04-27 21:39:21 +00006981static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6982 u8 idu_sb_id, bool is_Pf)
6983{
6984 u32 data, ctl, cnt = 100;
6985 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
6986 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
6987 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
6988 u32 sb_bit = 1 << (idu_sb_id%32);
6989 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
6990 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
6991
6992 /* Not supported in BC mode */
6993 if (CHIP_INT_MODE_IS_BC(bp))
6994 return;
6995
6996 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
6997 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
6998 IGU_REGULAR_CLEANUP_SET |
6999 IGU_REGULAR_BCLEANUP;
7000
7001 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7002 func_encode << IGU_CTRL_REG_FID_SHIFT |
7003 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7004
7005 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7006 data, igu_addr_data);
7007 REG_WR(bp, igu_addr_data, data);
7008 mmiowb();
7009 barrier();
7010 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7011 ctl, igu_addr_ctl);
7012 REG_WR(bp, igu_addr_ctl, ctl);
7013 mmiowb();
7014 barrier();
7015
7016 /* wait for clean up to finish */
7017 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7018 msleep(20);
7019
7020
7021 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7022 DP(NETIF_MSG_HW,
7023 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7024 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7025 }
7026}
7027
7028static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007029{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007030 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007031}
7032
Eric Dumazet1191cb82012-04-27 21:39:21 +00007033static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007034{
7035 u32 i, base = FUNC_ILT_BASE(func);
7036 for (i = base; i < base + ILT_PER_FUNC; i++)
7037 bnx2x_ilt_wr(bp, i, 0);
7038}
7039
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007040static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007041{
7042 int port = BP_PORT(bp);
7043 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007044 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007045 struct bnx2x_ilt *ilt = BP_ILT(bp);
7046 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007047 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007048 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007049 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050
Merav Sicron51c1a582012-03-18 10:33:38 +00007051 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007052
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007053 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007054 if (!CHIP_IS_E1x(bp)) {
7055 rc = bnx2x_pf_flr_clnup(bp);
7056 if (rc)
7057 return rc;
7058 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007059
Eilon Greenstein8badd272009-02-12 08:36:15 +00007060 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007061 if (bp->common.int_block == INT_BLOCK_HC) {
7062 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7063 val = REG_RD(bp, addr);
7064 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7065 REG_WR(bp, addr, val);
7066 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007067
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007068 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7069 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7070
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007071 ilt = BP_ILT(bp);
7072 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007073
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007074 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007075 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007076 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007077 bp->context[i].cxt_mapping;
7078 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007079 }
7080 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007081
Michael Chan37b091b2009-10-10 13:46:55 +00007082#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007083 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00007084
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007085 /* T1 hash bits value determines the T1 number of entries */
7086 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00007087#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007088
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007089#ifndef BCM_CNIC
7090 /* set NIC mode */
7091 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7092#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007093
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007094 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007095 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7096
7097 /* Turn on a single ISR mode in IGU if driver is going to use
7098 * INT#x or MSI
7099 */
7100 if (!(bp->flags & USING_MSIX_FLAG))
7101 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7102 /*
7103 * Timers workaround bug: function init part.
7104 * Need to wait 20msec after initializing ILT,
7105 * needed to make sure there are no requests in
7106 * one of the PXP internal queues with "old" ILT addresses
7107 */
7108 msleep(20);
7109 /*
7110 * Master enable - Due to WB DMAE writes performed before this
7111 * register is re-initialized as part of the regular function
7112 * init
7113 */
7114 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7115 /* Enable the function in IGU */
7116 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7117 }
7118
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007119 bp->dmae_ready = 1;
7120
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007121 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007122
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007123 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007124 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7125
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007126 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7127 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7128 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7129 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7130 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7131 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7132 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7133 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7134 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7135 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7136 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7137 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7138 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007139
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007140 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007141 REG_WR(bp, QM_REG_PF_EN, 1);
7142
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007143 if (!CHIP_IS_E1x(bp)) {
7144 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7145 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7146 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7147 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7148 }
7149 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007150
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007151 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7152 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7153 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7154 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7155 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7156 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7157 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7158 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7159 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7160 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7161 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7162 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007163 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7164
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007165 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007166
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007167 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007168
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007169 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007170 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7171
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007172 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007173 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007174 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007175 }
7176
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007177 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007178
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007179 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007180 if (bp->common.int_block == INT_BLOCK_HC) {
7181 if (CHIP_IS_E1H(bp)) {
7182 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7183
7184 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7185 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7186 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007187 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007188
7189 } else {
7190 int num_segs, sb_idx, prod_offset;
7191
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7193
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007194 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007195 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7196 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7197 }
7198
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007199 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007200
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007201 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007202 int dsb_idx = 0;
7203 /**
7204 * Producer memory:
7205 * E2 mode: address 0-135 match to the mapping memory;
7206 * 136 - PF0 default prod; 137 - PF1 default prod;
7207 * 138 - PF2 default prod; 139 - PF3 default prod;
7208 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7209 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7210 * 144-147 reserved.
7211 *
7212 * E1.5 mode - In backward compatible mode;
7213 * for non default SB; each even line in the memory
7214 * holds the U producer and each odd line hold
7215 * the C producer. The first 128 producers are for
7216 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7217 * producers are for the DSB for each PF.
7218 * Each PF has five segments: (the order inside each
7219 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7220 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7221 * 144-147 attn prods;
7222 */
7223 /* non-default-status-blocks */
7224 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7225 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7226 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7227 prod_offset = (bp->igu_base_sb + sb_idx) *
7228 num_segs;
7229
7230 for (i = 0; i < num_segs; i++) {
7231 addr = IGU_REG_PROD_CONS_MEMORY +
7232 (prod_offset + i) * 4;
7233 REG_WR(bp, addr, 0);
7234 }
7235 /* send consumer update with value 0 */
7236 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7237 USTORM_ID, 0, IGU_INT_NOP, 1);
7238 bnx2x_igu_clear_sb(bp,
7239 bp->igu_base_sb + sb_idx);
7240 }
7241
7242 /* default-status-blocks */
7243 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7244 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7245
7246 if (CHIP_MODE_IS_4_PORT(bp))
7247 dsb_idx = BP_FUNC(bp);
7248 else
David S. Miller8decf862011-09-22 03:23:13 -04007249 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007250
7251 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7252 IGU_BC_BASE_DSB_PROD + dsb_idx :
7253 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7254
David S. Miller8decf862011-09-22 03:23:13 -04007255 /*
7256 * igu prods come in chunks of E1HVN_MAX (4) -
7257 * does not matters what is the current chip mode
7258 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007259 for (i = 0; i < (num_segs * E1HVN_MAX);
7260 i += E1HVN_MAX) {
7261 addr = IGU_REG_PROD_CONS_MEMORY +
7262 (prod_offset + i)*4;
7263 REG_WR(bp, addr, 0);
7264 }
7265 /* send consumer update with 0 */
7266 if (CHIP_INT_MODE_IS_BC(bp)) {
7267 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7268 USTORM_ID, 0, IGU_INT_NOP, 1);
7269 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7270 CSTORM_ID, 0, IGU_INT_NOP, 1);
7271 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7272 XSTORM_ID, 0, IGU_INT_NOP, 1);
7273 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7274 TSTORM_ID, 0, IGU_INT_NOP, 1);
7275 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7276 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7277 } else {
7278 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7279 USTORM_ID, 0, IGU_INT_NOP, 1);
7280 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7281 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7282 }
7283 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7284
7285 /* !!! these should become driver const once
7286 rf-tool supports split-68 const */
7287 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7288 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7289 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7290 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7291 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7292 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7293 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007294 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007295
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007296 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007297 REG_WR(bp, 0x2114, 0xffffffff);
7298 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007299
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007300 if (CHIP_IS_E1x(bp)) {
7301 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7302 main_mem_base = HC_REG_MAIN_MEMORY +
7303 BP_PORT(bp) * (main_mem_size * 4);
7304 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7305 main_mem_width = 8;
7306
7307 val = REG_RD(bp, main_mem_prty_clr);
7308 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007309 DP(NETIF_MSG_HW,
7310 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7311 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007312
7313 /* Clear "false" parity errors in MSI-X table */
7314 for (i = main_mem_base;
7315 i < main_mem_base + main_mem_size * 4;
7316 i += main_mem_width) {
7317 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7318 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7319 i, main_mem_width / 4);
7320 }
7321 /* Clear HC parity attention */
7322 REG_RD(bp, main_mem_prty_clr);
7323 }
7324
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007325#ifdef BNX2X_STOP_ON_ERROR
7326 /* Enable STORMs SP logging */
7327 REG_WR8(bp, BAR_USTRORM_INTMEM +
7328 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7329 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7330 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7331 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7332 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7333 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7334 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7335#endif
7336
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007337 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007339 return 0;
7340}
7341
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007342
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007343void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007344{
Merav Sicrona0529972012-06-19 07:48:25 +00007345 int i;
7346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007347 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007348 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007349 /* end of fastpath */
7350
7351 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007352 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007353
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007354 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7355 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7356
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007357 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007358 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007359
Merav Sicrona0529972012-06-19 07:48:25 +00007360 for (i = 0; i < L2_ILT_LINES(bp); i++)
7361 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7362 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007363 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7364
7365 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007366
Michael Chan37b091b2009-10-10 13:46:55 +00007367#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007368 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007369 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7370 sizeof(struct host_hc_status_block_e2));
7371 else
7372 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7373 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007374
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007375 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007376#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007377
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007378 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007380 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7381 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007382}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007383
Eric Dumazet1191cb82012-04-27 21:39:21 +00007384static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007385{
7386 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007387 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007388
Barak Witkowski50f0a562011-12-05 21:52:23 +00007389 /* number of queues for statistics is number of eth queues + FCoE */
7390 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007391
7392 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007393 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7394 * num of queues
7395 */
7396 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007397
7398
7399 /* Request is built from stats_query_header and an array of
7400 * stats_query_cmd_group each of which contains
7401 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7402 * configured in the stats_query_header.
7403 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007404 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7405 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007406
7407 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7408 num_groups * sizeof(struct stats_query_cmd_group);
7409
7410 /* Data for statistics requests + stats_conter
7411 *
7412 * stats_counter holds per-STORM counters that are incremented
7413 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007414 *
7415 * memory for FCoE offloaded statistics are counted anyway,
7416 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007417 */
7418 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7419 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007420 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007421 sizeof(struct per_queue_stats) * num_queue_stats +
7422 sizeof(struct stats_counter);
7423
7424 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7425 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7426
7427 /* Set shortcuts */
7428 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7429 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7430
7431 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7432 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7433
7434 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7435 bp->fw_stats_req_sz;
7436 return 0;
7437
7438alloc_mem_err:
7439 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7440 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007441 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007442 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007443}
7444
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007445
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007446int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007447{
Merav Sicrona0529972012-06-19 07:48:25 +00007448 int i, allocated, context_size;
7449
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007450#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007451 if (!CHIP_IS_E1x(bp))
7452 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007453 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7454 sizeof(struct host_hc_status_block_e2));
7455 else
7456 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7457 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007458
7459 /* allocate searcher T2 table */
7460 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7461#endif
7462
7463
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007464 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007465 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007466
7467 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7468 sizeof(struct bnx2x_slowpath));
7469
Mintz Yuval82fa8482012-02-15 02:10:29 +00007470#ifdef BCM_CNIC
7471 /* write address to which L5 should insert its values */
7472 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7473#endif
7474
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007475 /* Allocated memory for FW statistics */
7476 if (bnx2x_alloc_fw_stats_mem(bp))
7477 goto alloc_mem_err;
7478
Merav Sicrona0529972012-06-19 07:48:25 +00007479 /* Allocate memory for CDU context:
7480 * This memory is allocated separately and not in the generic ILT
7481 * functions because CDU differs in few aspects:
7482 * 1. There are multiple entities allocating memory for context -
7483 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7484 * its own ILT lines.
7485 * 2. Since CDU page-size is not a single 4KB page (which is the case
7486 * for the other ILT clients), to be efficient we want to support
7487 * allocation of sub-page-size in the last entry.
7488 * 3. Context pointers are used by the driver to pass to FW / update
7489 * the context (for the other ILT clients the pointers are used just to
7490 * free the memory during unload).
7491 */
7492 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007493
Merav Sicrona0529972012-06-19 07:48:25 +00007494 for (i = 0, allocated = 0; allocated < context_size; i++) {
7495 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7496 (context_size - allocated));
7497 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7498 &bp->context[i].cxt_mapping,
7499 bp->context[i].size);
7500 allocated += bp->context[i].size;
7501 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007502 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007504 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7505 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007506
7507 /* Slow path ring */
7508 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7509
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007510 /* EQ */
7511 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7512 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007513
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007514
7515 /* fastpath */
7516 /* need to be done at the end, since it's self adjusting to amount
7517 * of memory available for RSS queues
7518 */
7519 if (bnx2x_alloc_fp_mem(bp))
7520 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007521 return 0;
7522
7523alloc_mem_err:
7524 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007525 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007526 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007527}
7528
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007529/*
7530 * Init service functions
7531 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007532
7533int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7534 struct bnx2x_vlan_mac_obj *obj, bool set,
7535 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007536{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007537 int rc;
7538 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007539
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007540 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007541
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007542 /* Fill general parameters */
7543 ramrod_param.vlan_mac_obj = obj;
7544 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007545
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007546 /* Fill a user request section if needed */
7547 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7548 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007549
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007550 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007551
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007552 /* Set the command: ADD or DEL */
7553 if (set)
7554 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7555 else
7556 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007557 }
7558
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007559 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7560 if (rc < 0)
7561 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7562 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563}
7564
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007565int bnx2x_del_all_macs(struct bnx2x *bp,
7566 struct bnx2x_vlan_mac_obj *mac_obj,
7567 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007568{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007569 int rc;
7570 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7571
7572 /* Wait for completion of requested */
7573 if (wait_for_comp)
7574 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7575
7576 /* Set the mac type of addresses we want to clear */
7577 __set_bit(mac_type, &vlan_mac_flags);
7578
7579 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7580 if (rc < 0)
7581 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7582
7583 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007584}
7585
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007586int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007587{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007588 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007589
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007590#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +00007591 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7592 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007593 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7594 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007595 return 0;
7596 }
7597#endif
7598
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007599 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007600
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007601 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7602 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007603 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7604 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007605}
7606
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007607int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007608{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007609 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007610}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007611
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007612/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007613 * bnx2x_set_int_mode - configure interrupt mode
7614 *
7615 * @bp: driver handle
7616 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007617 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007618 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +00007619void bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007620{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007621 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007622 case INT_MODE_MSI:
7623 bnx2x_enable_msi(bp);
7624 /* falling through... */
7625 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007626 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Merav Sicron51c1a582012-03-18 10:33:38 +00007627 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007628 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007629 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007630 /* if we can't use MSI-X we only need one fp,
7631 * so try to enable MSI-X with the requested number of fp's
7632 * and fallback to MSI or legacy INTx with one fp
7633 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007634 if (bnx2x_enable_msix(bp) ||
7635 bp->flags & USING_SINGLE_MSIX_FLAG) {
7636 /* failed to enable multiple MSI-X */
7637 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00007638 bp->num_queues, 1 + NON_ETH_CONTEXT_USE);
7639
Ariel Elior6383c0b2011-07-14 08:31:57 +00007640 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007641
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007642 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007643 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7644 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007645 bnx2x_enable_msi(bp);
7646 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007647 break;
7648 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007649}
7650
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007651/* must be called prioir to any HW initializations */
7652static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7653{
7654 return L2_ILT_LINES(bp);
7655}
7656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007657void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007658{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007659 struct ilt_client_info *ilt_client;
7660 struct bnx2x_ilt *ilt = BP_ILT(bp);
7661 u16 line = 0;
7662
7663 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7664 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7665
7666 /* CDU */
7667 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7668 ilt_client->client_num = ILT_CLIENT_CDU;
7669 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7670 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7671 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007672 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007673#ifdef BCM_CNIC
7674 line += CNIC_ILT_LINES;
7675#endif
7676 ilt_client->end = line - 1;
7677
Merav Sicron51c1a582012-03-18 10:33:38 +00007678 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 +00007679 ilt_client->start,
7680 ilt_client->end,
7681 ilt_client->page_size,
7682 ilt_client->flags,
7683 ilog2(ilt_client->page_size >> 12));
7684
7685 /* QM */
7686 if (QM_INIT(bp->qm_cid_count)) {
7687 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7688 ilt_client->client_num = ILT_CLIENT_QM;
7689 ilt_client->page_size = QM_ILT_PAGE_SZ;
7690 ilt_client->flags = 0;
7691 ilt_client->start = line;
7692
7693 /* 4 bytes for each cid */
7694 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7695 QM_ILT_PAGE_SZ);
7696
7697 ilt_client->end = line - 1;
7698
Merav Sicron51c1a582012-03-18 10:33:38 +00007699 DP(NETIF_MSG_IFUP,
7700 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007701 ilt_client->start,
7702 ilt_client->end,
7703 ilt_client->page_size,
7704 ilt_client->flags,
7705 ilog2(ilt_client->page_size >> 12));
7706
7707 }
7708 /* SRC */
7709 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7710#ifdef BCM_CNIC
7711 ilt_client->client_num = ILT_CLIENT_SRC;
7712 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7713 ilt_client->flags = 0;
7714 ilt_client->start = line;
7715 line += SRC_ILT_LINES;
7716 ilt_client->end = line - 1;
7717
Merav Sicron51c1a582012-03-18 10:33:38 +00007718 DP(NETIF_MSG_IFUP,
7719 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007720 ilt_client->start,
7721 ilt_client->end,
7722 ilt_client->page_size,
7723 ilt_client->flags,
7724 ilog2(ilt_client->page_size >> 12));
7725
7726#else
7727 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7728#endif
7729
7730 /* TM */
7731 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7732#ifdef BCM_CNIC
7733 ilt_client->client_num = ILT_CLIENT_TM;
7734 ilt_client->page_size = TM_ILT_PAGE_SZ;
7735 ilt_client->flags = 0;
7736 ilt_client->start = line;
7737 line += TM_ILT_LINES;
7738 ilt_client->end = line - 1;
7739
Merav Sicron51c1a582012-03-18 10:33:38 +00007740 DP(NETIF_MSG_IFUP,
7741 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007742 ilt_client->start,
7743 ilt_client->end,
7744 ilt_client->page_size,
7745 ilt_client->flags,
7746 ilog2(ilt_client->page_size >> 12));
7747
7748#else
7749 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7750#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007751 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007752}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007753
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007754/**
7755 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7756 *
7757 * @bp: driver handle
7758 * @fp: pointer to fastpath
7759 * @init_params: pointer to parameters structure
7760 *
7761 * parameters configured:
7762 * - HC configuration
7763 * - Queue's CDU context
7764 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007765static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007767{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007768
7769 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00007770 int cxt_index, cxt_offset;
7771
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007772 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7773 if (!IS_FCOE_FP(fp)) {
7774 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7775 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7776
7777 /* If HC is supporterd, enable host coalescing in the transition
7778 * to INIT state.
7779 */
7780 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7781 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7782
7783 /* HC rate */
7784 init_params->rx.hc_rate = bp->rx_ticks ?
7785 (1000000 / bp->rx_ticks) : 0;
7786 init_params->tx.hc_rate = bp->tx_ticks ?
7787 (1000000 / bp->tx_ticks) : 0;
7788
7789 /* FW SB ID */
7790 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7791 fp->fw_sb_id;
7792
7793 /*
7794 * CQ index among the SB indices: FCoE clients uses the default
7795 * SB, therefore it's different.
7796 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007797 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7798 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007799 }
7800
Ariel Elior6383c0b2011-07-14 08:31:57 +00007801 /* set maximum number of COSs supported by this queue */
7802 init_params->max_cos = fp->max_cos;
7803
Merav Sicron51c1a582012-03-18 10:33:38 +00007804 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007805 fp->index, init_params->max_cos);
7806
7807 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00007808 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00007809 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
7810 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00007811 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007812 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00007813 &bp->context[cxt_index].vcxt[cxt_offset].eth;
7814 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007815}
7816
Ariel Elior6383c0b2011-07-14 08:31:57 +00007817int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7818 struct bnx2x_queue_state_params *q_params,
7819 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7820 int tx_index, bool leading)
7821{
7822 memset(tx_only_params, 0, sizeof(*tx_only_params));
7823
7824 /* Set the command */
7825 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7826
7827 /* Set tx-only QUEUE flags: don't zero statistics */
7828 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7829
7830 /* choose the index of the cid to send the slow path on */
7831 tx_only_params->cid_index = tx_index;
7832
7833 /* Set general TX_ONLY_SETUP parameters */
7834 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7835
7836 /* Set Tx TX_ONLY_SETUP parameters */
7837 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7838
Merav Sicron51c1a582012-03-18 10:33:38 +00007839 DP(NETIF_MSG_IFUP,
7840 "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 +00007841 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7842 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7843 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7844
7845 /* send the ramrod */
7846 return bnx2x_queue_state_change(bp, q_params);
7847}
7848
7849
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007850/**
7851 * bnx2x_setup_queue - setup queue
7852 *
7853 * @bp: driver handle
7854 * @fp: pointer to fastpath
7855 * @leading: is leading
7856 *
7857 * This function performs 2 steps in a Queue state machine
7858 * actually: 1) RESET->INIT 2) INIT->SETUP
7859 */
7860
7861int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7862 bool leading)
7863{
Yuval Mintz3b603062012-03-18 10:33:39 +00007864 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007865 struct bnx2x_queue_setup_params *setup_params =
7866 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007867 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7868 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007869 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007870 u8 tx_index;
7871
Merav Sicron51c1a582012-03-18 10:33:38 +00007872 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007873
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007874 /* reset IGU state skip FCoE L2 queue */
7875 if (!IS_FCOE_FP(fp))
7876 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007877 IGU_INT_ENABLE, 0);
7878
Barak Witkowski15192a82012-06-19 07:48:28 +00007879 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007880 /* We want to wait for completion in this context */
7881 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007882
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007883 /* Prepare the INIT parameters */
7884 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007885
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007886 /* Set the command */
7887 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007888
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007889 /* Change the state to INIT */
7890 rc = bnx2x_queue_state_change(bp, &q_params);
7891 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007892 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007893 return rc;
7894 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007895
Merav Sicron51c1a582012-03-18 10:33:38 +00007896 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007897
7898
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007899 /* Now move the Queue to the SETUP state... */
7900 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007901
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007902 /* Set QUEUE flags */
7903 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007904
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007905 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007906 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7907 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007908
Ariel Elior6383c0b2011-07-14 08:31:57 +00007909 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007910 &setup_params->rxq_params);
7911
Ariel Elior6383c0b2011-07-14 08:31:57 +00007912 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7913 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007914
7915 /* Set the command */
7916 q_params.cmd = BNX2X_Q_CMD_SETUP;
7917
7918 /* Change the state to SETUP */
7919 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007920 if (rc) {
7921 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7922 return rc;
7923 }
7924
7925 /* loop through the relevant tx-only indices */
7926 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7927 tx_index < fp->max_cos;
7928 tx_index++) {
7929
7930 /* prepare and send tx-only ramrod*/
7931 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7932 tx_only_params, tx_index, leading);
7933 if (rc) {
7934 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7935 fp->index, tx_index);
7936 return rc;
7937 }
7938 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007939
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007940 return rc;
7941}
7942
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007943static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007944{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007945 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007946 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00007947 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007948 int rc, tx_index;
7949
Merav Sicron51c1a582012-03-18 10:33:38 +00007950 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007951
Barak Witkowski15192a82012-06-19 07:48:28 +00007952 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007953 /* We want to wait for completion in this context */
7954 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007955
Ariel Elior6383c0b2011-07-14 08:31:57 +00007956
7957 /* close tx-only connections */
7958 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7959 tx_index < fp->max_cos;
7960 tx_index++){
7961
7962 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00007963 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007964
Merav Sicron51c1a582012-03-18 10:33:38 +00007965 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007966 txdata->txq_index);
7967
7968 /* send halt terminate on tx-only connection */
7969 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7970 memset(&q_params.params.terminate, 0,
7971 sizeof(q_params.params.terminate));
7972 q_params.params.terminate.cid_index = tx_index;
7973
7974 rc = bnx2x_queue_state_change(bp, &q_params);
7975 if (rc)
7976 return rc;
7977
7978 /* send halt terminate on tx-only connection */
7979 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7980 memset(&q_params.params.cfc_del, 0,
7981 sizeof(q_params.params.cfc_del));
7982 q_params.params.cfc_del.cid_index = tx_index;
7983 rc = bnx2x_queue_state_change(bp, &q_params);
7984 if (rc)
7985 return rc;
7986 }
7987 /* Stop the primary connection: */
7988 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007989 q_params.cmd = BNX2X_Q_CMD_HALT;
7990 rc = bnx2x_queue_state_change(bp, &q_params);
7991 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007992 return rc;
7993
Ariel Elior6383c0b2011-07-14 08:31:57 +00007994 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007995 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007996 memset(&q_params.params.terminate, 0,
7997 sizeof(q_params.params.terminate));
7998 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007999 rc = bnx2x_queue_state_change(bp, &q_params);
8000 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008001 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008002 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008003 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008004 memset(&q_params.params.cfc_del, 0,
8005 sizeof(q_params.params.cfc_del));
8006 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008007 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008008}
8009
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008010
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008011static void bnx2x_reset_func(struct bnx2x *bp)
8012{
8013 int port = BP_PORT(bp);
8014 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008015 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008016
8017 /* Disable the function in the FW */
8018 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8019 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8020 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8021 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8022
8023 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008024 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008025 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008026 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008027 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8028 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008029 }
8030
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008031#ifdef BCM_CNIC
8032 /* CNIC SB */
8033 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8034 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
8035 SB_DISABLED);
8036#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008037 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008038 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008039 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8040 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008041
8042 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8043 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8044 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008046 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008047 if (bp->common.int_block == INT_BLOCK_HC) {
8048 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8049 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8050 } else {
8051 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8052 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8053 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008054
Michael Chan37b091b2009-10-10 13:46:55 +00008055#ifdef BCM_CNIC
8056 /* Disable Timer scan */
8057 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8058 /*
8059 * Wait for at least 10ms and up to 2 second for the timers scan to
8060 * complete
8061 */
8062 for (i = 0; i < 200; i++) {
8063 msleep(10);
8064 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8065 break;
8066 }
8067#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008068 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008069 bnx2x_clear_func_ilt(bp, func);
8070
8071 /* Timers workaround bug for E2: if this is vnic-3,
8072 * we need to set the entire ilt range for this timers.
8073 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008074 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008075 struct ilt_client_info ilt_cli;
8076 /* use dummy TM client */
8077 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8078 ilt_cli.start = 0;
8079 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8080 ilt_cli.client_num = ILT_CLIENT_TM;
8081
8082 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8083 }
8084
8085 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008086 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008087 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008088
8089 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008090}
8091
8092static void bnx2x_reset_port(struct bnx2x *bp)
8093{
8094 int port = BP_PORT(bp);
8095 u32 val;
8096
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008097 /* Reset physical Link */
8098 bnx2x__link_reset(bp);
8099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008100 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8101
8102 /* Do not rcv packets to BRB */
8103 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8104 /* Do not direct rcv packets that are not for MCP to the BRB */
8105 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8106 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8107
8108 /* Configure AEU */
8109 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8110
8111 msleep(100);
8112 /* Check for BRB port occupancy */
8113 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8114 if (val)
8115 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008116 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008117
8118 /* TODO: Close Doorbell port? */
8119}
8120
Eric Dumazet1191cb82012-04-27 21:39:21 +00008121static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008122{
Yuval Mintz3b603062012-03-18 10:33:39 +00008123 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008124
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008125 /* Prepare parameters for function state transitions */
8126 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008127
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008128 func_params.f_obj = &bp->func_obj;
8129 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008130
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008131 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008133 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008134}
8135
Eric Dumazet1191cb82012-04-27 21:39:21 +00008136static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008137{
Yuval Mintz3b603062012-03-18 10:33:39 +00008138 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008139 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008140
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008141 /* Prepare parameters for function state transitions */
8142 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8143 func_params.f_obj = &bp->func_obj;
8144 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008146 /*
8147 * Try to stop the function the 'good way'. If fails (in case
8148 * of a parity error during bnx2x_chip_cleanup()) and we are
8149 * not in a debug mode, perform a state transaction in order to
8150 * enable further HW_RESET transaction.
8151 */
8152 rc = bnx2x_func_state_change(bp, &func_params);
8153 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008154#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008155 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008156#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008157 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008158 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8159 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008160#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008161 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008162
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008163 return 0;
8164}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008165
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008166/**
8167 * bnx2x_send_unload_req - request unload mode from the MCP.
8168 *
8169 * @bp: driver handle
8170 * @unload_mode: requested function's unload mode
8171 *
8172 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8173 */
8174u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8175{
8176 u32 reset_code = 0;
8177 int port = BP_PORT(bp);
8178
8179 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008180 if (unload_mode == UNLOAD_NORMAL)
8181 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008182
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008183 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008184 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008185
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008186 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008187 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008188 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008189 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008190 u16 pmc;
8191
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008192 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008193 * preserve entry 0 which is used by the PMF
8194 */
David S. Miller8decf862011-09-22 03:23:13 -04008195 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008196
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008197 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008198 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008199
8200 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8201 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008202 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008203
David S. Miller88c51002011-10-07 13:38:43 -04008204 /* Enable the PME and clear the status */
8205 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8206 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8207 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008209 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008210
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008211 } else
8212 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8213
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008214 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008215 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008216 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008217 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008218 int path = BP_PATH(bp);
8219
Merav Sicron51c1a582012-03-18 10:33:38 +00008220 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008221 path, load_count[path][0], load_count[path][1],
8222 load_count[path][2]);
8223 load_count[path][0]--;
8224 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008225 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008226 path, load_count[path][0], load_count[path][1],
8227 load_count[path][2]);
8228 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008229 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008230 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008231 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8232 else
8233 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8234 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008235
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008236 return reset_code;
8237}
8238
8239/**
8240 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8241 *
8242 * @bp: driver handle
8243 */
8244void bnx2x_send_unload_done(struct bnx2x *bp)
8245{
8246 /* Report UNLOAD_DONE to MCP */
8247 if (!BP_NOMCP(bp))
8248 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8249}
8250
Eric Dumazet1191cb82012-04-27 21:39:21 +00008251static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008252{
8253 int tout = 50;
8254 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8255
8256 if (!bp->port.pmf)
8257 return 0;
8258
8259 /*
8260 * (assumption: No Attention from MCP at this stage)
8261 * PMF probably in the middle of TXdisable/enable transaction
8262 * 1. Sync IRS for default SB
8263 * 2. Sync SP queue - this guarantes us that attention handling started
8264 * 3. Wait, that TXdisable/enable transaction completes
8265 *
8266 * 1+2 guranty that if DCBx attention was scheduled it already changed
8267 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8268 * received complettion for the transaction the state is TX_STOPPED.
8269 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8270 * transaction.
8271 */
8272
8273 /* make sure default SB ISR is done */
8274 if (msix)
8275 synchronize_irq(bp->msix_table[0].vector);
8276 else
8277 synchronize_irq(bp->pdev->irq);
8278
8279 flush_workqueue(bnx2x_wq);
8280
8281 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8282 BNX2X_F_STATE_STARTED && tout--)
8283 msleep(20);
8284
8285 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8286 BNX2X_F_STATE_STARTED) {
8287#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008288 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008289 return -EBUSY;
8290#else
8291 /*
8292 * Failed to complete the transaction in a "good way"
8293 * Force both transactions with CLR bit
8294 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008295 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008296
Merav Sicron51c1a582012-03-18 10:33:38 +00008297 DP(NETIF_MSG_IFDOWN,
8298 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008299
8300 func_params.f_obj = &bp->func_obj;
8301 __set_bit(RAMROD_DRV_CLR_ONLY,
8302 &func_params.ramrod_flags);
8303
8304 /* STARTED-->TX_ST0PPED */
8305 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8306 bnx2x_func_state_change(bp, &func_params);
8307
8308 /* TX_ST0PPED-->STARTED */
8309 func_params.cmd = BNX2X_F_CMD_TX_START;
8310 return bnx2x_func_state_change(bp, &func_params);
8311#endif
8312 }
8313
8314 return 0;
8315}
8316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008317void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
8318{
8319 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008320 int i, rc = 0;
8321 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008322 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008323 u32 reset_code;
8324
8325 /* Wait until tx fastpath tasks complete */
8326 for_each_tx_queue(bp, i) {
8327 struct bnx2x_fastpath *fp = &bp->fp[i];
8328
Ariel Elior6383c0b2011-07-14 08:31:57 +00008329 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008330 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008331#ifdef BNX2X_STOP_ON_ERROR
8332 if (rc)
8333 return;
8334#endif
8335 }
8336
8337 /* Give HW time to discard old tx messages */
8338 usleep_range(1000, 1000);
8339
8340 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008341 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8342 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008343 if (rc < 0)
8344 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8345
8346 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008347 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008348 true);
8349 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008350 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8351 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008352
8353 /* Disable LLH */
8354 if (!CHIP_IS_E1(bp))
8355 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8356
8357 /* Set "drop all" (stop Rx).
8358 * We need to take a netif_addr_lock() here in order to prevent
8359 * a race between the completion code and this code.
8360 */
8361 netif_addr_lock_bh(bp->dev);
8362 /* Schedule the rx_mode command */
8363 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8364 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8365 else
8366 bnx2x_set_storm_rx_mode(bp);
8367
8368 /* Cleanup multicast configuration */
8369 rparam.mcast_obj = &bp->mcast_obj;
8370 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8371 if (rc < 0)
8372 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8373
8374 netif_addr_unlock_bh(bp->dev);
8375
8376
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008377
8378 /*
8379 * Send the UNLOAD_REQUEST to the MCP. This will return if
8380 * this function should perform FUNC, PORT or COMMON HW
8381 * reset.
8382 */
8383 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8384
8385 /*
8386 * (assumption: No Attention from MCP at this stage)
8387 * PMF probably in the middle of TXdisable/enable transaction
8388 */
8389 rc = bnx2x_func_wait_started(bp);
8390 if (rc) {
8391 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8392#ifdef BNX2X_STOP_ON_ERROR
8393 return;
8394#endif
8395 }
8396
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008397 /* Close multi and leading connections
8398 * Completions for ramrods are collected in a synchronous way
8399 */
8400 for_each_queue(bp, i)
8401 if (bnx2x_stop_queue(bp, i))
8402#ifdef BNX2X_STOP_ON_ERROR
8403 return;
8404#else
8405 goto unload_error;
8406#endif
8407 /* If SP settings didn't get completed so far - something
8408 * very wrong has happen.
8409 */
8410 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8411 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8412
8413#ifndef BNX2X_STOP_ON_ERROR
8414unload_error:
8415#endif
8416 rc = bnx2x_func_stop(bp);
8417 if (rc) {
8418 BNX2X_ERR("Function stop failed!\n");
8419#ifdef BNX2X_STOP_ON_ERROR
8420 return;
8421#endif
8422 }
8423
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008424 /* Disable HW interrupts, NAPI */
8425 bnx2x_netif_stop(bp, 1);
8426
8427 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008428 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008429
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008430 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008431 rc = bnx2x_reset_hw(bp, reset_code);
8432 if (rc)
8433 BNX2X_ERR("HW_RESET failed\n");
8434
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008435
8436 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008437 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008438}
8439
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008440void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008441{
8442 u32 val;
8443
Merav Sicron51c1a582012-03-18 10:33:38 +00008444 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008445
8446 if (CHIP_IS_E1(bp)) {
8447 int port = BP_PORT(bp);
8448 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8449 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8450
8451 val = REG_RD(bp, addr);
8452 val &= ~(0x300);
8453 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008454 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008455 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8456 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8457 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8458 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8459 }
8460}
8461
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008462/* Close gates #2, #3 and #4: */
8463static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8464{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008465 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008466
8467 /* Gates #2 and #4a are closed/opened for "not E1" only */
8468 if (!CHIP_IS_E1(bp)) {
8469 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008470 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008471 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008472 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008473 }
8474
8475 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008476 if (CHIP_IS_E1x(bp)) {
8477 /* Prevent interrupts from HC on both ports */
8478 val = REG_RD(bp, HC_REG_CONFIG_1);
8479 REG_WR(bp, HC_REG_CONFIG_1,
8480 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8481 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8482
8483 val = REG_RD(bp, HC_REG_CONFIG_0);
8484 REG_WR(bp, HC_REG_CONFIG_0,
8485 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8486 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8487 } else {
8488 /* Prevent incomming interrupts in IGU */
8489 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8490
8491 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8492 (!close) ?
8493 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8494 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8495 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008496
Merav Sicron51c1a582012-03-18 10:33:38 +00008497 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008498 close ? "closing" : "opening");
8499 mmiowb();
8500}
8501
8502#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8503
8504static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8505{
8506 /* Do some magic... */
8507 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8508 *magic_val = val & SHARED_MF_CLP_MAGIC;
8509 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8510}
8511
Dmitry Kravkove8920672011-05-04 23:52:40 +00008512/**
8513 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008514 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008515 * @bp: driver handle
8516 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008517 */
8518static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8519{
8520 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008521 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8522 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8523 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8524}
8525
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008526/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008527 * bnx2x_reset_mcp_prep - prepare for MCP reset.
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 'magic' bit.
8531 *
8532 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008533 */
8534static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8535{
8536 u32 shmem;
8537 u32 validity_offset;
8538
Merav Sicron51c1a582012-03-18 10:33:38 +00008539 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008540
8541 /* Set `magic' bit in order to save MF config */
8542 if (!CHIP_IS_E1(bp))
8543 bnx2x_clp_reset_prep(bp, magic_val);
8544
8545 /* Get shmem offset */
8546 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8547 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8548
8549 /* Clear validity map flags */
8550 if (shmem > 0)
8551 REG_WR(bp, shmem + validity_offset, 0);
8552}
8553
8554#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8555#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8556
Dmitry Kravkove8920672011-05-04 23:52:40 +00008557/**
8558 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008559 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008560 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008561 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008562static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008563{
8564 /* special handling for emulation and FPGA,
8565 wait 10 times longer */
8566 if (CHIP_REV_IS_SLOW(bp))
8567 msleep(MCP_ONE_TIMEOUT*10);
8568 else
8569 msleep(MCP_ONE_TIMEOUT);
8570}
8571
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008572/*
8573 * initializes bp->common.shmem_base and waits for validity signature to appear
8574 */
8575static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008576{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008577 int cnt = 0;
8578 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008579
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008580 do {
8581 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8582 if (bp->common.shmem_base) {
8583 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8584 if (val & SHR_MEM_VALIDITY_MB)
8585 return 0;
8586 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008587
8588 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008589
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008590 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008591
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008592 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008593
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008594 return -ENODEV;
8595}
8596
8597static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8598{
8599 int rc = bnx2x_init_shmem(bp);
8600
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008601 /* Restore the `magic' bit value */
8602 if (!CHIP_IS_E1(bp))
8603 bnx2x_clp_reset_done(bp, magic_val);
8604
8605 return rc;
8606}
8607
8608static void bnx2x_pxp_prep(struct bnx2x *bp)
8609{
8610 if (!CHIP_IS_E1(bp)) {
8611 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8612 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008613 mmiowb();
8614 }
8615}
8616
8617/*
8618 * Reset the whole chip except for:
8619 * - PCIE core
8620 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8621 * one reset bit)
8622 * - IGU
8623 * - MISC (including AEU)
8624 * - GRC
8625 * - RBCN, RBCP
8626 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008627static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008628{
8629 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008630 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008631
8632 /*
8633 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8634 * (per chip) blocks.
8635 */
8636 global_bits2 =
8637 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8638 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008639
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008640 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008641 not_reset_mask1 =
8642 MISC_REGISTERS_RESET_REG_1_RST_HC |
8643 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8644 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8645
8646 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008647 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008648 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8649 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8650 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8651 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8652 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8653 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008654 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8655 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8656 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008657
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008658 /*
8659 * Keep the following blocks in reset:
8660 * - all xxMACs are handled by the bnx2x_link code.
8661 */
8662 stay_reset2 =
8663 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8664 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8665 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8666 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8667 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8668 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8669 MISC_REGISTERS_RESET_REG_2_XMAC |
8670 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8671
8672 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008673 reset_mask1 = 0xffffffff;
8674
8675 if (CHIP_IS_E1(bp))
8676 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008677 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008678 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008679 else if (CHIP_IS_E2(bp))
8680 reset_mask2 = 0xfffff;
8681 else /* CHIP_IS_E3 */
8682 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008683
8684 /* Don't reset global blocks unless we need to */
8685 if (!global)
8686 reset_mask2 &= ~global_bits2;
8687
8688 /*
8689 * In case of attention in the QM, we need to reset PXP
8690 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8691 * because otherwise QM reset would release 'close the gates' shortly
8692 * before resetting the PXP, then the PSWRQ would send a write
8693 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8694 * read the payload data from PSWWR, but PSWWR would not
8695 * respond. The write queue in PGLUE would stuck, dmae commands
8696 * would not return. Therefore it's important to reset the second
8697 * reset register (containing the
8698 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8699 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8700 * bit).
8701 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008702 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8703 reset_mask2 & (~not_reset_mask2));
8704
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008705 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8706 reset_mask1 & (~not_reset_mask1));
8707
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008708 barrier();
8709 mmiowb();
8710
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008711 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8712 reset_mask2 & (~stay_reset2));
8713
8714 barrier();
8715 mmiowb();
8716
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008717 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008718 mmiowb();
8719}
8720
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008721/**
8722 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8723 * It should get cleared in no more than 1s.
8724 *
8725 * @bp: driver handle
8726 *
8727 * It should get cleared in no more than 1s. Returns 0 if
8728 * pending writes bit gets cleared.
8729 */
8730static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8731{
8732 u32 cnt = 1000;
8733 u32 pend_bits = 0;
8734
8735 do {
8736 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8737
8738 if (pend_bits == 0)
8739 break;
8740
8741 usleep_range(1000, 1000);
8742 } while (cnt-- > 0);
8743
8744 if (cnt <= 0) {
8745 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8746 pend_bits);
8747 return -EBUSY;
8748 }
8749
8750 return 0;
8751}
8752
8753static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008754{
8755 int cnt = 1000;
8756 u32 val = 0;
8757 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8758
8759
8760 /* Empty the Tetris buffer, wait for 1s */
8761 do {
8762 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8763 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8764 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8765 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8766 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8767 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8768 ((port_is_idle_0 & 0x1) == 0x1) &&
8769 ((port_is_idle_1 & 0x1) == 0x1) &&
8770 (pgl_exp_rom2 == 0xffffffff))
8771 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008772 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008773 } while (cnt-- > 0);
8774
8775 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008776 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8777 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 +00008778 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8779 pgl_exp_rom2);
8780 return -EAGAIN;
8781 }
8782
8783 barrier();
8784
8785 /* Close gates #2, #3 and #4 */
8786 bnx2x_set_234_gates(bp, true);
8787
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008788 /* Poll for IGU VQs for 57712 and newer chips */
8789 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8790 return -EAGAIN;
8791
8792
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008793 /* TBD: Indicate that "process kill" is in progress to MCP */
8794
8795 /* Clear "unprepared" bit */
8796 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8797 barrier();
8798
8799 /* Make sure all is written to the chip before the reset */
8800 mmiowb();
8801
8802 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8803 * PSWHST, GRC and PSWRD Tetris buffer.
8804 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008805 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008806
8807 /* Prepare to chip reset: */
8808 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008809 if (global)
8810 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008811
8812 /* PXP */
8813 bnx2x_pxp_prep(bp);
8814 barrier();
8815
8816 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008817 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008818 barrier();
8819
8820 /* Recover after reset: */
8821 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008822 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008823 return -EAGAIN;
8824
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008825 /* TBD: Add resetting the NO_MCP mode DB here */
8826
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008827 /* PXP */
8828 bnx2x_pxp_prep(bp);
8829
8830 /* Open the gates #2, #3 and #4 */
8831 bnx2x_set_234_gates(bp, false);
8832
8833 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8834 * reset state, re-enable attentions. */
8835
8836 return 0;
8837}
8838
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008839int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008840{
8841 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008842 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008843 u32 load_code;
8844
8845 /* if not going to reset MCP - load "fake" driver to reset HW while
8846 * driver is owner of the HW
8847 */
8848 if (!global && !BP_NOMCP(bp)) {
8849 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8850 if (!load_code) {
8851 BNX2X_ERR("MCP response failure, aborting\n");
8852 rc = -EAGAIN;
8853 goto exit_leader_reset;
8854 }
8855 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8856 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8857 BNX2X_ERR("MCP unexpected resp, aborting\n");
8858 rc = -EAGAIN;
8859 goto exit_leader_reset2;
8860 }
8861 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8862 if (!load_code) {
8863 BNX2X_ERR("MCP response failure, aborting\n");
8864 rc = -EAGAIN;
8865 goto exit_leader_reset2;
8866 }
8867 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008868
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008869 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008870 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008871 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
8872 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008873 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008874 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008875 }
8876
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008877 /*
8878 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8879 * state.
8880 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008881 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008882 if (global)
8883 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008884
Ariel Elior95c6c6162012-01-26 06:01:52 +00008885exit_leader_reset2:
8886 /* unload "fake driver" if it was loaded */
8887 if (!global && !BP_NOMCP(bp)) {
8888 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8889 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8890 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008891exit_leader_reset:
8892 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008893 bnx2x_release_leader_lock(bp);
8894 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008895 return rc;
8896}
8897
Eric Dumazet1191cb82012-04-27 21:39:21 +00008898static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008899{
8900 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8901
8902 /* Disconnect this device */
8903 netif_device_detach(bp->dev);
8904
8905 /*
8906 * Block ifup for all function on this engine until "process kill"
8907 * or power cycle.
8908 */
8909 bnx2x_set_reset_in_progress(bp);
8910
8911 /* Shut down the power */
8912 bnx2x_set_power_state(bp, PCI_D3hot);
8913
8914 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8915
8916 smp_mb();
8917}
8918
8919/*
8920 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008921 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008922 * will never be called when netif_running(bp->dev) is false.
8923 */
8924static void bnx2x_parity_recover(struct bnx2x *bp)
8925{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008926 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008927 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008928 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008929
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008930 DP(NETIF_MSG_HW, "Handling parity\n");
8931 while (1) {
8932 switch (bp->recovery_state) {
8933 case BNX2X_RECOVERY_INIT:
8934 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008935 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8936 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008937
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008938 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008939 if (bnx2x_trylock_leader_lock(bp)) {
8940 bnx2x_set_reset_in_progress(bp);
8941 /*
8942 * Check if there is a global attention and if
8943 * there was a global attention, set the global
8944 * reset bit.
8945 */
8946
8947 if (global)
8948 bnx2x_set_reset_global(bp);
8949
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008950 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008951 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008952
8953 /* Stop the driver */
8954 /* If interface has been removed - break */
8955 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8956 return;
8957
8958 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008959
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008960 /* Ensure "is_leader", MCP command sequence and
8961 * "recovery_state" update values are seen on other
8962 * CPUs.
8963 */
8964 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008965 break;
8966
8967 case BNX2X_RECOVERY_WAIT:
8968 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8969 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008970 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008971 bool other_load_status =
8972 bnx2x_get_load_status(bp, other_engine);
8973 bool load_status =
8974 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008975 global = bnx2x_reset_is_global(bp);
8976
8977 /*
8978 * In case of a parity in a global block, let
8979 * the first leader that performs a
8980 * leader_reset() reset the global blocks in
8981 * order to clear global attentions. Otherwise
8982 * the the gates will remain closed for that
8983 * engine.
8984 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008985 if (load_status ||
8986 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008987 /* Wait until all other functions get
8988 * down.
8989 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008990 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008991 HZ/10);
8992 return;
8993 } else {
8994 /* If all other functions got down -
8995 * try to bring the chip back to
8996 * normal. In any case it's an exit
8997 * point for a leader.
8998 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008999 if (bnx2x_leader_reset(bp)) {
9000 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009001 return;
9002 }
9003
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009004 /* If we are here, means that the
9005 * leader has succeeded and doesn't
9006 * want to be a leader any more. Try
9007 * to continue as a none-leader.
9008 */
9009 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009010 }
9011 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009012 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009013 /* Try to get a LEADER_LOCK HW lock as
9014 * long as a former leader may have
9015 * been unloaded by the user or
9016 * released a leadership by another
9017 * reason.
9018 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009019 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009020 /* I'm a leader now! Restart a
9021 * switch case.
9022 */
9023 bp->is_leader = 1;
9024 break;
9025 }
9026
Ariel Elior7be08a72011-07-14 08:31:19 +00009027 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009028 HZ/10);
9029 return;
9030
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009031 } else {
9032 /*
9033 * If there was a global attention, wait
9034 * for it to be cleared.
9035 */
9036 if (bnx2x_reset_is_global(bp)) {
9037 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009038 &bp->sp_rtnl_task,
9039 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009040 return;
9041 }
9042
Ariel Elior7a752992012-01-26 06:01:53 +00009043 error_recovered =
9044 bp->eth_stats.recoverable_error;
9045 error_unrecovered =
9046 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009047 bp->recovery_state =
9048 BNX2X_RECOVERY_NIC_LOADING;
9049 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009050 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009051 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009052 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009053 /* Disconnect this device */
9054 netif_device_detach(bp->dev);
9055 /* Shut down the power */
9056 bnx2x_set_power_state(
9057 bp, PCI_D3hot);
9058 smp_mb();
9059 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009060 bp->recovery_state =
9061 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009062 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009063 smp_mb();
9064 }
Ariel Elior7a752992012-01-26 06:01:53 +00009065 bp->eth_stats.recoverable_error =
9066 error_recovered;
9067 bp->eth_stats.unrecoverable_error =
9068 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009069
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009070 return;
9071 }
9072 }
9073 default:
9074 return;
9075 }
9076 }
9077}
9078
Michal Schmidt56ad3152012-02-16 02:38:48 +00009079static int bnx2x_close(struct net_device *dev);
9080
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009081/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9082 * scheduled on a general queue in order to prevent a dead lock.
9083 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009084static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009085{
Ariel Elior7be08a72011-07-14 08:31:19 +00009086 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009087
9088 rtnl_lock();
9089
9090 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009091 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009092
Ariel Elior7be08a72011-07-14 08:31:19 +00009093 /* if stop on error is defined no recovery flows should be executed */
9094#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009095 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 +00009096 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009097 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009098#endif
9099
9100 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9101 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009102 * Clear all pending SP commands as we are going to reset the
9103 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009104 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009105 bp->sp_rtnl_state = 0;
9106 smp_mb();
9107
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009108 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009109
9110 goto sp_rtnl_exit;
9111 }
9112
9113 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9114 /*
9115 * Clear all pending SP commands as we are going to reset the
9116 * function anyway.
9117 */
9118 bp->sp_rtnl_state = 0;
9119 smp_mb();
9120
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009121 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9122 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009123
9124 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009125 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009126#ifdef BNX2X_STOP_ON_ERROR
9127sp_rtnl_not_reset:
9128#endif
9129 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9130 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009131 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9132 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009133 /*
9134 * in case of fan failure we need to reset id if the "stop on error"
9135 * debug flag is set, since we trying to prevent permanent overheating
9136 * damage
9137 */
9138 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009139 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009140 netif_device_detach(bp->dev);
9141 bnx2x_close(bp->dev);
9142 }
9143
Ariel Elior7be08a72011-07-14 08:31:19 +00009144sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145 rtnl_unlock();
9146}
9147
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009148/* end of nic load/unload */
9149
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009150static void bnx2x_period_task(struct work_struct *work)
9151{
9152 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9153
9154 if (!netif_running(bp->dev))
9155 goto period_task_exit;
9156
9157 if (CHIP_REV_IS_SLOW(bp)) {
9158 BNX2X_ERR("period task called on emulation, ignoring\n");
9159 goto period_task_exit;
9160 }
9161
9162 bnx2x_acquire_phy_lock(bp);
9163 /*
9164 * The barrier is needed to ensure the ordering between the writing to
9165 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9166 * the reading here.
9167 */
9168 smp_mb();
9169 if (bp->port.pmf) {
9170 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9171
9172 /* Re-queue task in 1 sec */
9173 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9174 }
9175
9176 bnx2x_release_phy_lock(bp);
9177period_task_exit:
9178 return;
9179}
9180
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009181/*
9182 * Init service functions
9183 */
9184
stephen hemminger8d962862010-10-21 07:50:56 +00009185static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009186{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009187 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9188 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9189 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009190}
9191
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009192static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009193{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009194 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009195
9196 /* Flush all outstanding writes */
9197 mmiowb();
9198
9199 /* Pretend to be function 0 */
9200 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009201 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009202
9203 /* From now we are in the "like-E1" mode */
9204 bnx2x_int_disable(bp);
9205
9206 /* Flush all outstanding writes */
9207 mmiowb();
9208
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009209 /* Restore the original function */
9210 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9211 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009212}
9213
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009214static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009215{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009216 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009217 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009218 else
9219 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009220}
9221
Yuval Mintz452427b2012-03-26 20:47:07 +00009222static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009223{
Yuval Mintz452427b2012-03-26 20:47:07 +00009224 u32 val, base_addr, offset, mask, reset_reg;
9225 bool mac_stopped = false;
9226 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009227
Yuval Mintz452427b2012-03-26 20:47:07 +00009228 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009229
Yuval Mintz452427b2012-03-26 20:47:07 +00009230 if (!CHIP_IS_E3(bp)) {
9231 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9232 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9233 if ((mask & reset_reg) && val) {
9234 u32 wb_data[2];
9235 BNX2X_DEV_INFO("Disable bmac Rx\n");
9236 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9237 : NIG_REG_INGRESS_BMAC0_MEM;
9238 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9239 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009240
Yuval Mintz452427b2012-03-26 20:47:07 +00009241 /*
9242 * use rd/wr since we cannot use dmae. This is safe
9243 * since MCP won't access the bus due to the request
9244 * to unload, and no function on the path can be
9245 * loaded at this time.
9246 */
9247 wb_data[0] = REG_RD(bp, base_addr + offset);
9248 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9249 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9250 REG_WR(bp, base_addr + offset, wb_data[0]);
9251 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009252
Yuval Mintz452427b2012-03-26 20:47:07 +00009253 }
9254 BNX2X_DEV_INFO("Disable emac Rx\n");
9255 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009256
Yuval Mintz452427b2012-03-26 20:47:07 +00009257 mac_stopped = true;
9258 } else {
9259 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9260 BNX2X_DEV_INFO("Disable xmac Rx\n");
9261 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9262 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9263 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9264 val & ~(1 << 1));
9265 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9266 val | (1 << 1));
9267 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9268 mac_stopped = true;
9269 }
9270 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9271 if (mask & reset_reg) {
9272 BNX2X_DEV_INFO("Disable umac Rx\n");
9273 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9274 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9275 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009276 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009277 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009278
Yuval Mintz452427b2012-03-26 20:47:07 +00009279 if (mac_stopped)
9280 msleep(20);
9281
9282}
9283
9284#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9285#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9286#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9287#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9288
9289static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9290 u8 inc)
9291{
9292 u16 rcq, bd;
9293 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9294
9295 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9296 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9297
9298 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9299 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9300
9301 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9302 port, bd, rcq);
9303}
9304
9305static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9306{
9307 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9308 if (!rc) {
9309 BNX2X_ERR("MCP response failure, aborting\n");
9310 return -EBUSY;
9311 }
9312
9313 return 0;
9314}
9315
9316static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9317{
9318 struct bnx2x_prev_path_list *tmp_list;
9319 int rc = false;
9320
9321 if (down_trylock(&bnx2x_prev_sem))
9322 return false;
9323
9324 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9325 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9326 bp->pdev->bus->number == tmp_list->bus &&
9327 BP_PATH(bp) == tmp_list->path) {
9328 rc = true;
9329 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9330 BP_PATH(bp));
9331 break;
9332 }
9333 }
9334
9335 up(&bnx2x_prev_sem);
9336
9337 return rc;
9338}
9339
9340static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9341{
9342 struct bnx2x_prev_path_list *tmp_list;
9343 int rc;
9344
9345 tmp_list = (struct bnx2x_prev_path_list *)
9346 kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
9347 if (!tmp_list) {
9348 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9349 return -ENOMEM;
9350 }
9351
9352 tmp_list->bus = bp->pdev->bus->number;
9353 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9354 tmp_list->path = BP_PATH(bp);
9355
9356 rc = down_interruptible(&bnx2x_prev_sem);
9357 if (rc) {
9358 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9359 kfree(tmp_list);
9360 } else {
9361 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9362 BP_PATH(bp));
9363 list_add(&tmp_list->list, &bnx2x_prev_list);
9364 up(&bnx2x_prev_sem);
9365 }
9366
9367 return rc;
9368}
9369
9370static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
9371{
9372 int pos;
9373 u32 cap;
9374 struct pci_dev *dev = bp->pdev;
9375
9376 pos = pci_pcie_cap(dev);
9377 if (!pos)
9378 return false;
9379
9380 pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap);
9381 if (!(cap & PCI_EXP_DEVCAP_FLR))
9382 return false;
9383
9384 return true;
9385}
9386
9387static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9388{
9389 int i, pos;
9390 u16 status;
9391 struct pci_dev *dev = bp->pdev;
9392
9393 /* probe the capability first */
9394 if (bnx2x_can_flr(bp))
9395 return -ENOTTY;
9396
9397 pos = pci_pcie_cap(dev);
9398 if (!pos)
9399 return -ENOTTY;
9400
9401 /* Wait for Transaction Pending bit clean */
9402 for (i = 0; i < 4; i++) {
9403 if (i)
9404 msleep((1 << (i - 1)) * 100);
9405
9406 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
9407 if (!(status & PCI_EXP_DEVSTA_TRPND))
9408 goto clear;
9409 }
9410
9411 dev_err(&dev->dev,
9412 "transaction is not cleared; proceeding with reset anyway\n");
9413
9414clear:
9415 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9416 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9417 bp->common.bc_ver);
9418 return -EINVAL;
9419 }
9420
9421 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9422
9423 return 0;
9424}
9425
9426static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9427{
9428 int rc;
9429
9430 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9431
9432 /* Test if previous unload process was already finished for this path */
9433 if (bnx2x_prev_is_path_marked(bp))
9434 return bnx2x_prev_mcp_done(bp);
9435
9436 /* If function has FLR capabilities, and existing FW version matches
9437 * the one required, then FLR will be sufficient to clean any residue
9438 * left by previous driver
9439 */
9440 if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp))
9441 return bnx2x_do_flr(bp);
9442
9443 /* Close the MCP request, return failure*/
9444 rc = bnx2x_prev_mcp_done(bp);
9445 if (!rc)
9446 rc = BNX2X_PREV_WAIT_NEEDED;
9447
9448 return rc;
9449}
9450
9451static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9452{
9453 u32 reset_reg, tmp_reg = 0, rc;
9454 /* It is possible a previous function received 'common' answer,
9455 * but hasn't loaded yet, therefore creating a scenario of
9456 * multiple functions receiving 'common' on the same path.
9457 */
9458 BNX2X_DEV_INFO("Common unload Flow\n");
9459
9460 if (bnx2x_prev_is_path_marked(bp))
9461 return bnx2x_prev_mcp_done(bp);
9462
9463 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9464
9465 /* Reset should be performed after BRB is emptied */
9466 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9467 u32 timer_count = 1000;
9468 bool prev_undi = false;
9469
9470 /* Close the MAC Rx to prevent BRB from filling up */
9471 bnx2x_prev_unload_close_mac(bp);
9472
9473 /* Check if the UNDI driver was previously loaded
9474 * UNDI driver initializes CID offset for normal bell to 0x7
9475 */
9476 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9477 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9478 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9479 if (tmp_reg == 0x7) {
9480 BNX2X_DEV_INFO("UNDI previously loaded\n");
9481 prev_undi = true;
9482 /* clear the UNDI indication */
9483 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9484 }
9485 }
9486 /* wait until BRB is empty */
9487 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9488 while (timer_count) {
9489 u32 prev_brb = tmp_reg;
9490
9491 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9492 if (!tmp_reg)
9493 break;
9494
9495 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9496
9497 /* reset timer as long as BRB actually gets emptied */
9498 if (prev_brb > tmp_reg)
9499 timer_count = 1000;
9500 else
9501 timer_count--;
9502
9503 /* If UNDI resides in memory, manually increment it */
9504 if (prev_undi)
9505 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9506
9507 udelay(10);
9508 }
9509
9510 if (!timer_count)
9511 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9512
9513 }
9514
9515 /* No packets are in the pipeline, path is ready for reset */
9516 bnx2x_reset_common(bp);
9517
9518 rc = bnx2x_prev_mark_path(bp);
9519 if (rc) {
9520 bnx2x_prev_mcp_done(bp);
9521 return rc;
9522 }
9523
9524 return bnx2x_prev_mcp_done(bp);
9525}
9526
Ariel Elior24f06712012-05-06 07:05:57 +00009527/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9528 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9529 * the addresses of the transaction, resulting in was-error bit set in the pci
9530 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9531 * to clear the interrupt which detected this from the pglueb and the was done
9532 * bit
9533 */
9534static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9535{
9536 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9537 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9538 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9539 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9540 }
9541}
9542
Yuval Mintz452427b2012-03-26 20:47:07 +00009543static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9544{
9545 int time_counter = 10;
9546 u32 rc, fw, hw_lock_reg, hw_lock_val;
9547 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9548
Ariel Elior24f06712012-05-06 07:05:57 +00009549 /* clear hw from errors which may have resulted from an interrupted
9550 * dmae transaction.
9551 */
9552 bnx2x_prev_interrupted_dmae(bp);
9553
9554 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009555 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9556 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9557 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9558
9559 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9560 if (hw_lock_val) {
9561 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9562 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9563 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9564 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9565 }
9566
9567 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9568 REG_WR(bp, hw_lock_reg, 0xffffffff);
9569 } else
9570 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9571
9572 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9573 BNX2X_DEV_INFO("Release previously held alr\n");
9574 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9575 }
9576
9577
9578 do {
9579 /* Lock MCP using an unload request */
9580 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9581 if (!fw) {
9582 BNX2X_ERR("MCP response failure, aborting\n");
9583 rc = -EBUSY;
9584 break;
9585 }
9586
9587 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9588 rc = bnx2x_prev_unload_common(bp);
9589 break;
9590 }
9591
9592 /* non-common reply from MCP night require looping */
9593 rc = bnx2x_prev_unload_uncommon(bp);
9594 if (rc != BNX2X_PREV_WAIT_NEEDED)
9595 break;
9596
9597 msleep(20);
9598 } while (--time_counter);
9599
9600 if (!time_counter || rc) {
9601 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9602 rc = -EBUSY;
9603 }
9604
9605 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9606
9607 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009608}
9609
9610static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9611{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009612 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009613 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009614
9615 /* Get the chip revision id and number. */
9616 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9617 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9618 id = ((val & 0xffff) << 16);
9619 val = REG_RD(bp, MISC_REG_CHIP_REV);
9620 id |= ((val & 0xf) << 12);
9621 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9622 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009623 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009624 id |= (val & 0xf);
9625 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009626
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009627 /* force 57811 according to MISC register */
9628 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9629 if (CHIP_IS_57810(bp))
9630 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9631 (bp->common.chip_id & 0x0000FFFF);
9632 else if (CHIP_IS_57810_MF(bp))
9633 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9634 (bp->common.chip_id & 0x0000FFFF);
9635 bp->common.chip_id |= 0x1;
9636 }
9637
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009638 /* Set doorbell size */
9639 bp->db_size = (1 << BNX2X_DB_SHIFT);
9640
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009641 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009642 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9643 if ((val & 1) == 0)
9644 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9645 else
9646 val = (val >> 1) & 1;
9647 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9648 "2_PORT_MODE");
9649 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9650 CHIP_2_PORT_MODE;
9651
9652 if (CHIP_MODE_IS_4_PORT(bp))
9653 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9654 else
9655 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9656 } else {
9657 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9658 bp->pfid = bp->pf_num; /* 0..7 */
9659 }
9660
Merav Sicron51c1a582012-03-18 10:33:38 +00009661 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009663 bp->link_params.chip_id = bp->common.chip_id;
9664 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009665
Eilon Greenstein1c063282009-02-12 08:36:43 +00009666 val = (REG_RD(bp, 0x2874) & 0x55);
9667 if ((bp->common.chip_id & 0x1) ||
9668 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9669 bp->flags |= ONE_PORT_FLAG;
9670 BNX2X_DEV_INFO("single port device\n");
9671 }
9672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009673 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009674 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009675 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9676 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9677 bp->common.flash_size, bp->common.flash_size);
9678
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009679 bnx2x_init_shmem(bp);
9680
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009681
9682
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009683 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9684 MISC_REG_GENERIC_CR_1 :
9685 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009686
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009687 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009688 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009689 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9690 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009691
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009692 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009693 BNX2X_DEV_INFO("MCP not active\n");
9694 bp->flags |= NO_MCP_FLAG;
9695 return;
9696 }
9697
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009698 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009699 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009700
9701 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9702 SHARED_HW_CFG_LED_MODE_MASK) >>
9703 SHARED_HW_CFG_LED_MODE_SHIFT);
9704
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009705 bp->link_params.feature_config_flags = 0;
9706 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9707 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9708 bp->link_params.feature_config_flags |=
9709 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9710 else
9711 bp->link_params.feature_config_flags &=
9712 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9713
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009714 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9715 bp->common.bc_ver = val;
9716 BNX2X_DEV_INFO("bc_ver %X\n", val);
9717 if (val < BNX2X_BC_VER) {
9718 /* for now only warn
9719 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009720 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9721 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009722 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009723 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009724 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009725 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9726
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009727 bp->link_params.feature_config_flags |=
9728 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9729 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009730 bp->link_params.feature_config_flags |=
9731 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9732 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009733 bp->link_params.feature_config_flags |=
9734 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9735 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009736 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9737 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009738
Barak Witkowski2e499d32012-06-26 01:31:19 +00009739 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9740 BC_SUPPORTS_FCOE_FEATURES : 0;
9741
Barak Witkowski98768792012-06-19 07:48:31 +00009742 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9743 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009744 boot_mode = SHMEM_RD(bp,
9745 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9746 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9747 switch (boot_mode) {
9748 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9749 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9750 break;
9751 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9752 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9753 break;
9754 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9755 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9756 break;
9757 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9758 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9759 break;
9760 }
9761
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009762 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9763 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9764
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009765 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009766 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009767
9768 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9769 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9770 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9771 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9772
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009773 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9774 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009775}
9776
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009777#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9778#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9779
9780static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9781{
9782 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009783 int igu_sb_id;
9784 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009785 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009786
9787 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009788 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009789 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009790 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009791 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9792 FP_SB_MAX_E1x;
9793
9794 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9795 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9796
9797 return;
9798 }
9799
9800 /* IGU in normal mode - read CAM */
9801 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9802 igu_sb_id++) {
9803 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9804 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9805 continue;
9806 fid = IGU_FID(val);
9807 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9808 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9809 continue;
9810 if (IGU_VEC(val) == 0)
9811 /* default status block */
9812 bp->igu_dsb_id = igu_sb_id;
9813 else {
9814 if (bp->igu_base_sb == 0xff)
9815 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009816 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009817 }
9818 }
9819 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009820
Ariel Elior6383c0b2011-07-14 08:31:57 +00009821#ifdef CONFIG_PCI_MSI
9822 /*
9823 * It's expected that number of CAM entries for this functions is equal
9824 * to the number evaluated based on the MSI-X table size. We want a
9825 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009826 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009827 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9828#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009829
Ariel Elior6383c0b2011-07-14 08:31:57 +00009830 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009831 BNX2X_ERR("CAM configuration error\n");
9832}
9833
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009834static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9835 u32 switch_cfg)
9836{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009837 int cfg_size = 0, idx, port = BP_PORT(bp);
9838
9839 /* Aggregation of supported attributes of all external phys */
9840 bp->port.supported[0] = 0;
9841 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009842 switch (bp->link_params.num_phys) {
9843 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009844 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9845 cfg_size = 1;
9846 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009847 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009848 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9849 cfg_size = 1;
9850 break;
9851 case 3:
9852 if (bp->link_params.multi_phy_config &
9853 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9854 bp->port.supported[1] =
9855 bp->link_params.phy[EXT_PHY1].supported;
9856 bp->port.supported[0] =
9857 bp->link_params.phy[EXT_PHY2].supported;
9858 } else {
9859 bp->port.supported[0] =
9860 bp->link_params.phy[EXT_PHY1].supported;
9861 bp->port.supported[1] =
9862 bp->link_params.phy[EXT_PHY2].supported;
9863 }
9864 cfg_size = 2;
9865 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009866 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009867
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009868 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009869 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009870 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009871 dev_info.port_hw_config[port].external_phy_config),
9872 SHMEM_RD(bp,
9873 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009874 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009875 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009876
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009877 if (CHIP_IS_E3(bp))
9878 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9879 else {
9880 switch (switch_cfg) {
9881 case SWITCH_CFG_1G:
9882 bp->port.phy_addr = REG_RD(
9883 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9884 break;
9885 case SWITCH_CFG_10G:
9886 bp->port.phy_addr = REG_RD(
9887 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9888 break;
9889 default:
9890 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9891 bp->port.link_config[0]);
9892 return;
9893 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009894 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009895 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009896 /* mask what we support according to speed_cap_mask per configuration */
9897 for (idx = 0; idx < cfg_size; idx++) {
9898 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009899 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009900 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009901
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009902 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009903 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009904 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009905
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009906 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009907 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009908 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009909
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009910 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009911 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009912 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009913
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009914 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009915 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009916 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009917 SUPPORTED_1000baseT_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_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009921 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
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_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009925 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009926
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009927 }
9928
9929 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9930 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009931}
9932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009933static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009934{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009935 u32 link_config, idx, cfg_size = 0;
9936 bp->port.advertising[0] = 0;
9937 bp->port.advertising[1] = 0;
9938 switch (bp->link_params.num_phys) {
9939 case 1:
9940 case 2:
9941 cfg_size = 1;
9942 break;
9943 case 3:
9944 cfg_size = 2;
9945 break;
9946 }
9947 for (idx = 0; idx < cfg_size; idx++) {
9948 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9949 link_config = bp->port.link_config[idx];
9950 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009951 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009952 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9953 bp->link_params.req_line_speed[idx] =
9954 SPEED_AUTO_NEG;
9955 bp->port.advertising[idx] |=
9956 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009957 if (bp->link_params.phy[EXT_PHY1].type ==
9958 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9959 bp->port.advertising[idx] |=
9960 (SUPPORTED_100baseT_Half |
9961 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009962 } else {
9963 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009964 bp->link_params.req_line_speed[idx] =
9965 SPEED_10000;
9966 bp->port.advertising[idx] |=
9967 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009968 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009969 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009970 }
9971 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009972
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009973 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009974 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9975 bp->link_params.req_line_speed[idx] =
9976 SPEED_10;
9977 bp->port.advertising[idx] |=
9978 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009979 ADVERTISED_TP);
9980 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009981 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009982 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009983 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009984 return;
9985 }
9986 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009987
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009988 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009989 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9990 bp->link_params.req_line_speed[idx] =
9991 SPEED_10;
9992 bp->link_params.req_duplex[idx] =
9993 DUPLEX_HALF;
9994 bp->port.advertising[idx] |=
9995 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009996 ADVERTISED_TP);
9997 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009998 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009999 link_config,
10000 bp->link_params.speed_cap_mask[idx]);
10001 return;
10002 }
10003 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010004
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010005 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10006 if (bp->port.supported[idx] &
10007 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010008 bp->link_params.req_line_speed[idx] =
10009 SPEED_100;
10010 bp->port.advertising[idx] |=
10011 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010012 ADVERTISED_TP);
10013 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010014 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010015 link_config,
10016 bp->link_params.speed_cap_mask[idx]);
10017 return;
10018 }
10019 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010020
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010021 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10022 if (bp->port.supported[idx] &
10023 SUPPORTED_100baseT_Half) {
10024 bp->link_params.req_line_speed[idx] =
10025 SPEED_100;
10026 bp->link_params.req_duplex[idx] =
10027 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010028 bp->port.advertising[idx] |=
10029 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010030 ADVERTISED_TP);
10031 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010032 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010033 link_config,
10034 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010035 return;
10036 }
10037 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010038
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010039 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010040 if (bp->port.supported[idx] &
10041 SUPPORTED_1000baseT_Full) {
10042 bp->link_params.req_line_speed[idx] =
10043 SPEED_1000;
10044 bp->port.advertising[idx] |=
10045 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010046 ADVERTISED_TP);
10047 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010048 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010049 link_config,
10050 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010051 return;
10052 }
10053 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010054
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010055 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010056 if (bp->port.supported[idx] &
10057 SUPPORTED_2500baseX_Full) {
10058 bp->link_params.req_line_speed[idx] =
10059 SPEED_2500;
10060 bp->port.advertising[idx] |=
10061 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010062 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010063 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010064 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010065 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010066 bp->link_params.speed_cap_mask[idx]);
10067 return;
10068 }
10069 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010070
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010071 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010072 if (bp->port.supported[idx] &
10073 SUPPORTED_10000baseT_Full) {
10074 bp->link_params.req_line_speed[idx] =
10075 SPEED_10000;
10076 bp->port.advertising[idx] |=
10077 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010078 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010079 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010080 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010081 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010082 bp->link_params.speed_cap_mask[idx]);
10083 return;
10084 }
10085 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010086 case PORT_FEATURE_LINK_SPEED_20G:
10087 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010088
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010089 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010090 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010091 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010092 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010093 bp->link_params.req_line_speed[idx] =
10094 SPEED_AUTO_NEG;
10095 bp->port.advertising[idx] =
10096 bp->port.supported[idx];
10097 break;
10098 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010099
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010100 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010101 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010102 if ((bp->link_params.req_flow_ctrl[idx] ==
10103 BNX2X_FLOW_CTRL_AUTO) &&
10104 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10105 bp->link_params.req_flow_ctrl[idx] =
10106 BNX2X_FLOW_CTRL_NONE;
10107 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010108
Merav Sicron51c1a582012-03-18 10:33:38 +000010109 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 +000010110 bp->link_params.req_line_speed[idx],
10111 bp->link_params.req_duplex[idx],
10112 bp->link_params.req_flow_ctrl[idx],
10113 bp->port.advertising[idx]);
10114 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010115}
10116
Michael Chane665bfd2009-10-10 13:46:54 +000010117static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10118{
10119 mac_hi = cpu_to_be16(mac_hi);
10120 mac_lo = cpu_to_be32(mac_lo);
10121 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10122 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10123}
10124
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010125static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010126{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010127 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010128 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010129 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010130
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010131 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010132 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010133
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010134 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010135 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010136
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010137 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010138 SHMEM_RD(bp,
10139 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010140 bp->link_params.speed_cap_mask[1] =
10141 SHMEM_RD(bp,
10142 dev_info.port_hw_config[port].speed_capability_mask2);
10143 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010144 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10145
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010146 bp->port.link_config[1] =
10147 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010148
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010149 bp->link_params.multi_phy_config =
10150 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010151 /* If the device is capable of WoL, set the default state according
10152 * to the HW
10153 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010154 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010155 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10156 (config & PORT_FEATURE_WOL_ENABLED));
10157
Merav Sicron51c1a582012-03-18 10:33:38 +000010158 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010159 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010160 bp->link_params.speed_cap_mask[0],
10161 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010162
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010163 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010164 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010165 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010166 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010167
10168 bnx2x_link_settings_requested(bp);
10169
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010170 /*
10171 * If connected directly, work with the internal PHY, otherwise, work
10172 * with the external PHY
10173 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010174 ext_phy_config =
10175 SHMEM_RD(bp,
10176 dev_info.port_hw_config[port].external_phy_config);
10177 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010178 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010179 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010180
10181 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10182 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10183 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010184 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010185
10186 /*
10187 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10188 * In MF mode, it is set to cover self test cases
10189 */
10190 if (IS_MF(bp))
10191 bp->port.need_hw_lock = 1;
10192 else
10193 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10194 bp->common.shmem_base,
10195 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010196
10197 /* Configure link feature according to nvram value */
10198 eee_mode = (((SHMEM_RD(bp, dev_info.
10199 port_feature_config[port].eee_power_mode)) &
10200 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10201 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10202 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10203 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10204 EEE_MODE_ENABLE_LPI |
10205 EEE_MODE_OUTPUT_TIME;
10206 } else {
10207 bp->link_params.eee_mode = 0;
10208 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010209}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010210
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010211void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010212{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010213 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010214#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010215 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010216
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010217 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010218 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010219
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010220 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010221 bp->cnic_eth_dev.max_iscsi_conn =
10222 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10223 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10224
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010225 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10226 bp->cnic_eth_dev.max_iscsi_conn);
10227
10228 /*
10229 * If maximum allowed number of connections is zero -
10230 * disable the feature.
10231 */
10232 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010233 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010234#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010235 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010236#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010237}
10238
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010239#ifdef BCM_CNIC
10240static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10241{
10242 /* Port info */
10243 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10244 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10245 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10246 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10247
10248 /* Node info */
10249 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10250 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10251 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10252 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10253}
10254#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010255static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10256{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010257#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010258 int port = BP_PORT(bp);
10259 int func = BP_ABS_FUNC(bp);
10260
10261 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10262 drv_lic_key[port].max_fcoe_conn);
10263
10264 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010265 bp->cnic_eth_dev.max_fcoe_conn =
10266 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10267 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10268
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010269 /* Read the WWN: */
10270 if (!IS_MF(bp)) {
10271 /* Port info */
10272 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10273 SHMEM_RD(bp,
10274 dev_info.port_hw_config[port].
10275 fcoe_wwn_port_name_upper);
10276 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10277 SHMEM_RD(bp,
10278 dev_info.port_hw_config[port].
10279 fcoe_wwn_port_name_lower);
10280
10281 /* Node info */
10282 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10283 SHMEM_RD(bp,
10284 dev_info.port_hw_config[port].
10285 fcoe_wwn_node_name_upper);
10286 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10287 SHMEM_RD(bp,
10288 dev_info.port_hw_config[port].
10289 fcoe_wwn_node_name_lower);
10290 } else if (!IS_MF_SD(bp)) {
10291 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10292
10293 /*
10294 * Read the WWN info only if the FCoE feature is enabled for
10295 * this function.
10296 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010297 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
10298 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010299
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010300 } else if (IS_MF_FCOE_SD(bp))
10301 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010302
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010303 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010304
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010305 /*
10306 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010307 * disable the feature.
10308 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010309 if (!bp->cnic_eth_dev.max_fcoe_conn)
10310 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010311#else
10312 bp->flags |= NO_FCOE_FLAG;
10313#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010314}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010315
10316static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10317{
10318 /*
10319 * iSCSI may be dynamically disabled but reading
10320 * info here we will decrease memory usage by driver
10321 * if the feature is disabled for good
10322 */
10323 bnx2x_get_iscsi_info(bp);
10324 bnx2x_get_fcoe_info(bp);
10325}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010326
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010327static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10328{
10329 u32 val, val2;
10330 int func = BP_ABS_FUNC(bp);
10331 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010332#ifdef BCM_CNIC
10333 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10334 u8 *fip_mac = bp->fip_mac;
10335#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010336
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010337 /* Zero primary MAC configuration */
10338 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10339
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010340 if (BP_NOMCP(bp)) {
10341 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010342 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010343 } else if (IS_MF(bp)) {
10344 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10345 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10346 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10347 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10348 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10349
10350#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010351 /*
10352 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010353 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010354 *
10355 * In non SD mode features configuration comes from
10356 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010357 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010358 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010359 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10360 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10361 val2 = MF_CFG_RD(bp, func_ext_config[func].
10362 iscsi_mac_addr_upper);
10363 val = MF_CFG_RD(bp, func_ext_config[func].
10364 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010365 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +000010366 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10367 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010368 } else
10369 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10370
10371 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10372 val2 = MF_CFG_RD(bp, func_ext_config[func].
10373 fcoe_mac_addr_upper);
10374 val = MF_CFG_RD(bp, func_ext_config[func].
10375 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010376 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010377 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010378 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010379
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010380 } else
10381 bp->flags |= NO_FCOE_FLAG;
Barak Witkowskia3348722012-04-23 03:04:46 +000010382
10383 bp->mf_ext_config = cfg;
10384
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010385 } else { /* SD MODE */
10386 if (IS_MF_STORAGE_SD(bp)) {
10387 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10388 /* use primary mac as iscsi mac */
10389 memcpy(iscsi_mac, bp->dev->dev_addr,
10390 ETH_ALEN);
10391
10392 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10393 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10394 iscsi_mac);
10395 } else { /* FCoE */
10396 memcpy(fip_mac, bp->dev->dev_addr,
10397 ETH_ALEN);
10398 BNX2X_DEV_INFO("SD FCoE MODE\n");
10399 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
10400 fip_mac);
10401 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010402 /* Zero primary MAC configuration */
10403 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010404 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010405 }
Barak Witkowskia3348722012-04-23 03:04:46 +000010406
10407 if (IS_MF_FCOE_AFEX(bp))
10408 /* use FIP MAC as primary MAC */
10409 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10410
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010411#endif
10412 } else {
10413 /* in SF read MACs from port configuration */
10414 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10415 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10416 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10417
10418#ifdef BCM_CNIC
10419 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10420 iscsi_mac_upper);
10421 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10422 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010423 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +000010424
10425 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10426 fcoe_fip_mac_upper);
10427 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10428 fcoe_fip_mac_lower);
10429 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010430#endif
10431 }
10432
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010433 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10434 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010435
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010436#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +000010437 /* Disable iSCSI if MAC configuration is
10438 * invalid.
10439 */
10440 if (!is_valid_ether_addr(iscsi_mac)) {
10441 bp->flags |= NO_ISCSI_FLAG;
10442 memset(iscsi_mac, 0, ETH_ALEN);
10443 }
10444
10445 /* Disable FCoE if MAC configuration is
10446 * invalid.
10447 */
10448 if (!is_valid_ether_addr(fip_mac)) {
10449 bp->flags |= NO_FCOE_FLAG;
10450 memset(bp->fip_mac, 0, ETH_ALEN);
10451 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010452#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010453
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010454 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010455 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010456 "bad Ethernet MAC address configuration: %pM\n"
10457 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010458 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010459
10460
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010461}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010462
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010463static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10464{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010465 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010466 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010467 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010468 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010469
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010470 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010471
Ariel Elior6383c0b2011-07-14 08:31:57 +000010472 /*
10473 * initialize IGU parameters
10474 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010475 if (CHIP_IS_E1x(bp)) {
10476 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010477
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010478 bp->igu_dsb_id = DEF_SB_IGU_ID;
10479 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010480 } else {
10481 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010482
10483 /* do not allow device reset during IGU info preocessing */
10484 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10485
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010486 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010488 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010489 int tout = 5000;
10490
10491 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10492
10493 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10494 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10495 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10496
10497 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10498 tout--;
10499 usleep_range(1000, 1000);
10500 }
10501
10502 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10503 dev_err(&bp->pdev->dev,
10504 "FORCING Normal Mode failed!!!\n");
10505 return -EPERM;
10506 }
10507 }
10508
10509 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10510 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010511 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10512 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010513 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010514
10515 bnx2x_get_igu_cam_info(bp);
10516
David S. Miller8decf862011-09-22 03:23:13 -040010517 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010518 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010519
10520 /*
10521 * set base FW non-default (fast path) status block id, this value is
10522 * used to initialize the fw_sb_id saved on the fp/queue structure to
10523 * determine the id used by the FW.
10524 */
10525 if (CHIP_IS_E1x(bp))
10526 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10527 else /*
10528 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10529 * the same queue are indicated on the same IGU SB). So we prefer
10530 * FW and IGU SBs to be the same value.
10531 */
10532 bp->base_fw_ndsb = bp->igu_base_sb;
10533
10534 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10535 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10536 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010537
10538 /*
10539 * Initialize MF configuration
10540 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010541
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010542 bp->mf_ov = 0;
10543 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010544 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010545
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010546 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010547 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10548 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10549 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10550
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010551 if (SHMEM2_HAS(bp, mf_cfg_addr))
10552 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10553 else
10554 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010555 offsetof(struct shmem_region, func_mb) +
10556 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010557 /*
10558 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010559 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010560 * 2. MAC address must be legal (check only upper bytes)
10561 * for Switch-Independent mode;
10562 * OVLAN must be legal for Switch-Dependent mode
10563 * 3. SF_MODE configures specific MF mode
10564 */
10565 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10566 /* get mf configuration */
10567 val = SHMEM_RD(bp,
10568 dev_info.shared_feature_config.config);
10569 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010570
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010571 switch (val) {
10572 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10573 val = MF_CFG_RD(bp, func_mf_config[func].
10574 mac_upper);
10575 /* check for legal mac (upper bytes)*/
10576 if (val != 0xffff) {
10577 bp->mf_mode = MULTI_FUNCTION_SI;
10578 bp->mf_config[vn] = MF_CFG_RD(bp,
10579 func_mf_config[func].config);
10580 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010581 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010582 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010583 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10584 if ((!CHIP_IS_E1x(bp)) &&
10585 (MF_CFG_RD(bp, func_mf_config[func].
10586 mac_upper) != 0xffff) &&
10587 (SHMEM2_HAS(bp,
10588 afex_driver_support))) {
10589 bp->mf_mode = MULTI_FUNCTION_AFEX;
10590 bp->mf_config[vn] = MF_CFG_RD(bp,
10591 func_mf_config[func].config);
10592 } else {
10593 BNX2X_DEV_INFO("can not configure afex mode\n");
10594 }
10595 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010596 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10597 /* get OV configuration */
10598 val = MF_CFG_RD(bp,
10599 func_mf_config[FUNC_0].e1hov_tag);
10600 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10601
10602 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10603 bp->mf_mode = MULTI_FUNCTION_SD;
10604 bp->mf_config[vn] = MF_CFG_RD(bp,
10605 func_mf_config[func].config);
10606 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010607 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010608 break;
10609 default:
10610 /* Unknown configuration: reset mf_config */
10611 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010612 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010613 }
10614 }
10615
Eilon Greenstein2691d512009-08-12 08:22:08 +000010616 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010617 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010618
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010619 switch (bp->mf_mode) {
10620 case MULTI_FUNCTION_SD:
10621 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10622 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010623 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010624 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010625 bp->path_has_ovlan = true;
10626
Merav Sicron51c1a582012-03-18 10:33:38 +000010627 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10628 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010629 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010630 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010631 "No valid MF OV for func %d, aborting\n",
10632 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010633 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010634 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010635 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010636 case MULTI_FUNCTION_AFEX:
10637 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10638 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010639 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010640 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10641 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010642 break;
10643 default:
10644 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010645 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010646 "VN %d is in a single function mode, aborting\n",
10647 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010648 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010649 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010650 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010651 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010652
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010653 /* check if other port on the path needs ovlan:
10654 * Since MF configuration is shared between ports
10655 * Possible mixed modes are only
10656 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10657 */
10658 if (CHIP_MODE_IS_4_PORT(bp) &&
10659 !bp->path_has_ovlan &&
10660 !IS_MF(bp) &&
10661 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10662 u8 other_port = !BP_PORT(bp);
10663 u8 other_func = BP_PATH(bp) + 2*other_port;
10664 val = MF_CFG_RD(bp,
10665 func_mf_config[other_func].e1hov_tag);
10666 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10667 bp->path_has_ovlan = true;
10668 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010669 }
10670
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010671 /* adjust igu_sb_cnt to MF for E1x */
10672 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010673 bp->igu_sb_cnt /= E1HVN_MAX;
10674
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010675 /* port info */
10676 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010677
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010678 /* Get MAC addresses */
10679 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010680
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010681 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010682
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010683 return rc;
10684}
10685
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010686static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10687{
10688 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010689 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010690 char str_id_reg[VENDOR_ID_LEN+1];
10691 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010692 char *vpd_data;
10693 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010694 u8 len;
10695
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010696 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010697 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10698
10699 if (cnt < BNX2X_VPD_LEN)
10700 goto out_not_found;
10701
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010702 /* VPD RO tag should be first tag after identifier string, hence
10703 * we should be able to find it in first BNX2X_VPD_LEN chars
10704 */
10705 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010706 PCI_VPD_LRDT_RO_DATA);
10707 if (i < 0)
10708 goto out_not_found;
10709
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010710 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010711 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010712
10713 i += PCI_VPD_LRDT_TAG_SIZE;
10714
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010715 if (block_end > BNX2X_VPD_LEN) {
10716 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10717 if (vpd_extended_data == NULL)
10718 goto out_not_found;
10719
10720 /* read rest of vpd image into vpd_extended_data */
10721 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10722 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10723 block_end - BNX2X_VPD_LEN,
10724 vpd_extended_data + BNX2X_VPD_LEN);
10725 if (cnt < (block_end - BNX2X_VPD_LEN))
10726 goto out_not_found;
10727 vpd_data = vpd_extended_data;
10728 } else
10729 vpd_data = vpd_start;
10730
10731 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010732
10733 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10734 PCI_VPD_RO_KEYWORD_MFR_ID);
10735 if (rodi < 0)
10736 goto out_not_found;
10737
10738 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10739
10740 if (len != VENDOR_ID_LEN)
10741 goto out_not_found;
10742
10743 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10744
10745 /* vendor specific info */
10746 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10747 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10748 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10749 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10750
10751 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10752 PCI_VPD_RO_KEYWORD_VENDOR0);
10753 if (rodi >= 0) {
10754 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10755
10756 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10757
10758 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10759 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10760 bp->fw_ver[len] = ' ';
10761 }
10762 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010763 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010764 return;
10765 }
10766out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010767 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010768 return;
10769}
10770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010771static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10772{
10773 u32 flags = 0;
10774
10775 if (CHIP_REV_IS_FPGA(bp))
10776 SET_FLAGS(flags, MODE_FPGA);
10777 else if (CHIP_REV_IS_EMUL(bp))
10778 SET_FLAGS(flags, MODE_EMUL);
10779 else
10780 SET_FLAGS(flags, MODE_ASIC);
10781
10782 if (CHIP_MODE_IS_4_PORT(bp))
10783 SET_FLAGS(flags, MODE_PORT4);
10784 else
10785 SET_FLAGS(flags, MODE_PORT2);
10786
10787 if (CHIP_IS_E2(bp))
10788 SET_FLAGS(flags, MODE_E2);
10789 else if (CHIP_IS_E3(bp)) {
10790 SET_FLAGS(flags, MODE_E3);
10791 if (CHIP_REV(bp) == CHIP_REV_Ax)
10792 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010793 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10794 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010795 }
10796
10797 if (IS_MF(bp)) {
10798 SET_FLAGS(flags, MODE_MF);
10799 switch (bp->mf_mode) {
10800 case MULTI_FUNCTION_SD:
10801 SET_FLAGS(flags, MODE_MF_SD);
10802 break;
10803 case MULTI_FUNCTION_SI:
10804 SET_FLAGS(flags, MODE_MF_SI);
10805 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010806 case MULTI_FUNCTION_AFEX:
10807 SET_FLAGS(flags, MODE_MF_AFEX);
10808 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010809 }
10810 } else
10811 SET_FLAGS(flags, MODE_SF);
10812
10813#if defined(__LITTLE_ENDIAN)
10814 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10815#else /*(__BIG_ENDIAN)*/
10816 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10817#endif
10818 INIT_MODE_FLAGS(bp) = flags;
10819}
10820
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010821static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10822{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010823 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010824 int rc;
10825
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010826 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010827 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010828 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010829#ifdef BCM_CNIC
10830 mutex_init(&bp->cnic_mutex);
10831#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010832
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010833 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010834 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010835 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010836 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010837 if (rc)
10838 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010839
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010840 bnx2x_set_modes_bitmap(bp);
10841
10842 rc = bnx2x_alloc_mem_bp(bp);
10843 if (rc)
10844 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010845
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010846 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010847
10848 func = BP_FUNC(bp);
10849
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010850 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010851 if (!BP_NOMCP(bp)) {
10852 /* init fw_seq */
10853 bp->fw_seq =
10854 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10855 DRV_MSG_SEQ_NUMBER_MASK;
10856 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10857
10858 bnx2x_prev_unload(bp);
10859 }
10860
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010861
10862 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010863 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010864
10865 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010866 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010867
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010868 bp->disable_tpa = disable_tpa;
10869
10870#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +000010871 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010872#endif
10873
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010874 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010875 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010876 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010877 bp->dev->features &= ~NETIF_F_LRO;
10878 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010879 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010880 bp->dev->features |= NETIF_F_LRO;
10881 }
10882
Eilon Greensteina18f5122009-08-12 08:23:26 +000010883 if (CHIP_IS_E1(bp))
10884 bp->dropless_fc = 0;
10885 else
10886 bp->dropless_fc = dropless_fc;
10887
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010888 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010889
Barak Witkowskia3348722012-04-23 03:04:46 +000010890 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010891
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010892 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010893 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10894 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010895
Michal Schmidtfc543632012-02-14 09:05:46 +000010896 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010897
10898 init_timer(&bp->timer);
10899 bp->timer.expires = jiffies + bp->current_interval;
10900 bp->timer.data = (unsigned long) bp;
10901 bp->timer.function = bnx2x_timer;
10902
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010903 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010904 bnx2x_dcbx_init_params(bp);
10905
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010906#ifdef BCM_CNIC
10907 if (CHIP_IS_E1x(bp))
10908 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10909 else
10910 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10911#endif
10912
Ariel Elior6383c0b2011-07-14 08:31:57 +000010913 /* multiple tx priority */
10914 if (CHIP_IS_E1x(bp))
10915 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10916 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10917 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10918 if (CHIP_IS_E3B0(bp))
10919 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10920
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010921 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010922}
10923
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010924
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010925/****************************************************************************
10926* General service functions
10927****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010928
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010929/*
10930 * net_device service functions
10931 */
10932
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010933/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010934static int bnx2x_open(struct net_device *dev)
10935{
10936 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010937 bool global = false;
10938 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010939 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010940
Mintz Yuval1355b702012-02-15 02:10:22 +000010941 bp->stats_init = true;
10942
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010943 netif_carrier_off(dev);
10944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010945 bnx2x_set_power_state(bp, PCI_D0);
10946
Ariel Elior889b9af2012-01-26 06:01:51 +000010947 other_load_status = bnx2x_get_load_status(bp, other_engine);
10948 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010949
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010950 /*
10951 * If parity had happen during the unload, then attentions
10952 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10953 * want the first function loaded on the current engine to
10954 * complete the recovery.
10955 */
10956 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10957 bnx2x_chk_parity_attn(bp, &global, true))
10958 do {
10959 /*
10960 * If there are attentions and they are in a global
10961 * blocks, set the GLOBAL_RESET bit regardless whether
10962 * it will be this function that will complete the
10963 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010964 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010965 if (global)
10966 bnx2x_set_reset_global(bp);
10967
10968 /*
10969 * Only the first function on the current engine should
10970 * try to recover in open. In case of attentions in
10971 * global blocks only the first in the chip should try
10972 * to recover.
10973 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010974 if ((!load_status &&
10975 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010976 bnx2x_trylock_leader_lock(bp) &&
10977 !bnx2x_leader_reset(bp)) {
10978 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010979 break;
10980 }
10981
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010982 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010983 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010984 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010985
Merav Sicron51c1a582012-03-18 10:33:38 +000010986 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
10987 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010988
10989 return -EAGAIN;
10990 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010991
10992 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010993 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010994}
10995
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010996/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000010997static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010998{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010999 struct bnx2x *bp = netdev_priv(dev);
11000
11001 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011002 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011003
11004 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011005 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011006
11007 return 0;
11008}
11009
Eric Dumazet1191cb82012-04-27 21:39:21 +000011010static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11011 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011012{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011013 int mc_count = netdev_mc_count(bp->dev);
11014 struct bnx2x_mcast_list_elem *mc_mac =
11015 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011016 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011017
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011018 if (!mc_mac)
11019 return -ENOMEM;
11020
11021 INIT_LIST_HEAD(&p->mcast_list);
11022
11023 netdev_for_each_mc_addr(ha, bp->dev) {
11024 mc_mac->mac = bnx2x_mc_addr(ha);
11025 list_add_tail(&mc_mac->link, &p->mcast_list);
11026 mc_mac++;
11027 }
11028
11029 p->mcast_list_len = mc_count;
11030
11031 return 0;
11032}
11033
Eric Dumazet1191cb82012-04-27 21:39:21 +000011034static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011035 struct bnx2x_mcast_ramrod_params *p)
11036{
11037 struct bnx2x_mcast_list_elem *mc_mac =
11038 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11039 link);
11040
11041 WARN_ON(!mc_mac);
11042 kfree(mc_mac);
11043}
11044
11045/**
11046 * bnx2x_set_uc_list - configure a new unicast MACs list.
11047 *
11048 * @bp: driver handle
11049 *
11050 * We will use zero (0) as a MAC type for these MACs.
11051 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011052static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011053{
11054 int rc;
11055 struct net_device *dev = bp->dev;
11056 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011057 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011058 unsigned long ramrod_flags = 0;
11059
11060 /* First schedule a cleanup up of old configuration */
11061 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11062 if (rc < 0) {
11063 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11064 return rc;
11065 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011066
11067 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011068 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11069 BNX2X_UC_LIST_MAC, &ramrod_flags);
11070 if (rc < 0) {
11071 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11072 rc);
11073 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011074 }
11075 }
11076
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011077 /* Execute the pending commands */
11078 __set_bit(RAMROD_CONT, &ramrod_flags);
11079 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11080 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011081}
11082
Eric Dumazet1191cb82012-04-27 21:39:21 +000011083static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011084{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011085 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011086 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011087 int rc = 0;
11088
11089 rparam.mcast_obj = &bp->mcast_obj;
11090
11091 /* first, clear all configured multicast MACs */
11092 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11093 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011094 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011095 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011096 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011097
11098 /* then, configure a new MACs list */
11099 if (netdev_mc_count(dev)) {
11100 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11101 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011102 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11103 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011104 return rc;
11105 }
11106
11107 /* Now add the new MACs */
11108 rc = bnx2x_config_mcast(bp, &rparam,
11109 BNX2X_MCAST_CMD_ADD);
11110 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011111 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11112 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011113
11114 bnx2x_free_mcast_macs_list(&rparam);
11115 }
11116
11117 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011118}
11119
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011120
11121/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011122void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011123{
11124 struct bnx2x *bp = netdev_priv(dev);
11125 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011126
11127 if (bp->state != BNX2X_STATE_OPEN) {
11128 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11129 return;
11130 }
11131
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011132 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011133
11134 if (dev->flags & IFF_PROMISC)
11135 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011136 else if ((dev->flags & IFF_ALLMULTI) ||
11137 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11138 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011139 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011140 else {
11141 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011142 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011143 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011144
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011145 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011146 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011147 }
11148
11149 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011150#ifdef BCM_CNIC
11151 /* handle ISCSI SD mode */
11152 if (IS_MF_ISCSI_SD(bp))
11153 bp->rx_mode = BNX2X_RX_MODE_NONE;
11154#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011155
11156 /* Schedule the rx_mode command */
11157 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11158 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11159 return;
11160 }
11161
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011162 bnx2x_set_storm_rx_mode(bp);
11163}
11164
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011165/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011166static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11167 int devad, u16 addr)
11168{
11169 struct bnx2x *bp = netdev_priv(netdev);
11170 u16 value;
11171 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011172
11173 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11174 prtad, devad, addr);
11175
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011176 /* The HW expects different devad if CL22 is used */
11177 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11178
11179 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011180 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011181 bnx2x_release_phy_lock(bp);
11182 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11183
11184 if (!rc)
11185 rc = value;
11186 return rc;
11187}
11188
11189/* called with rtnl_lock */
11190static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11191 u16 addr, u16 value)
11192{
11193 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011194 int rc;
11195
Merav Sicron51c1a582012-03-18 10:33:38 +000011196 DP(NETIF_MSG_LINK,
11197 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11198 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011199
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011200 /* The HW expects different devad if CL22 is used */
11201 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11202
11203 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011204 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011205 bnx2x_release_phy_lock(bp);
11206 return rc;
11207}
11208
11209/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011210static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11211{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011212 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011213 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011214
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011215 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11216 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011217
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011218 if (!netif_running(dev))
11219 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011220
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011221 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011222}
11223
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011224#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011225static void poll_bnx2x(struct net_device *dev)
11226{
11227 struct bnx2x *bp = netdev_priv(dev);
11228
11229 disable_irq(bp->pdev->irq);
11230 bnx2x_interrupt(bp->pdev->irq, dev);
11231 enable_irq(bp->pdev->irq);
11232}
11233#endif
11234
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011235static int bnx2x_validate_addr(struct net_device *dev)
11236{
11237 struct bnx2x *bp = netdev_priv(dev);
11238
Merav Sicron51c1a582012-03-18 10:33:38 +000011239 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11240 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011241 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011242 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011243 return 0;
11244}
11245
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011246static const struct net_device_ops bnx2x_netdev_ops = {
11247 .ndo_open = bnx2x_open,
11248 .ndo_stop = bnx2x_close,
11249 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011250 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011251 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011252 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011253 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011254 .ndo_do_ioctl = bnx2x_ioctl,
11255 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011256 .ndo_fix_features = bnx2x_fix_features,
11257 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011258 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011259#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011260 .ndo_poll_controller = poll_bnx2x,
11261#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011262 .ndo_setup_tc = bnx2x_setup_tc,
11263
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011264#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
11265 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11266#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011267};
11268
Eric Dumazet1191cb82012-04-27 21:39:21 +000011269static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011270{
11271 struct device *dev = &bp->pdev->dev;
11272
11273 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11274 bp->flags |= USING_DAC_FLAG;
11275 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011276 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011277 return -EIO;
11278 }
11279 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11280 dev_err(dev, "System does not support DMA, aborting\n");
11281 return -EIO;
11282 }
11283
11284 return 0;
11285}
11286
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011287static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011288 struct net_device *dev,
11289 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011290{
11291 struct bnx2x *bp;
11292 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011293 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011294 bool chip_is_e1x = (board_type == BCM57710 ||
11295 board_type == BCM57711 ||
11296 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011297
11298 SET_NETDEV_DEV(dev, &pdev->dev);
11299 bp = netdev_priv(dev);
11300
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011301 bp->dev = dev;
11302 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011303 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011304
11305 rc = pci_enable_device(pdev);
11306 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011307 dev_err(&bp->pdev->dev,
11308 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011309 goto err_out;
11310 }
11311
11312 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011313 dev_err(&bp->pdev->dev,
11314 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011315 rc = -ENODEV;
11316 goto err_out_disable;
11317 }
11318
11319 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011320 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11321 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011322 rc = -ENODEV;
11323 goto err_out_disable;
11324 }
11325
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011326 if (atomic_read(&pdev->enable_cnt) == 1) {
11327 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11328 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011329 dev_err(&bp->pdev->dev,
11330 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011331 goto err_out_disable;
11332 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011333
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011334 pci_set_master(pdev);
11335 pci_save_state(pdev);
11336 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011337
11338 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11339 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011340 dev_err(&bp->pdev->dev,
11341 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011342 rc = -EIO;
11343 goto err_out_release;
11344 }
11345
Jon Mason77c98e62011-06-27 07:45:12 +000011346 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011347 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011348 rc = -EIO;
11349 goto err_out_release;
11350 }
11351
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011352 rc = bnx2x_set_coherency_mask(bp);
11353 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011354 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011355
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011356 dev->mem_start = pci_resource_start(pdev, 0);
11357 dev->base_addr = dev->mem_start;
11358 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011359
11360 dev->irq = pdev->irq;
11361
Arjan van de Ven275f1652008-10-20 21:42:39 -070011362 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011363 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011364 dev_err(&bp->pdev->dev,
11365 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011366 rc = -ENOMEM;
11367 goto err_out_release;
11368 }
11369
Ariel Eliorc22610d02012-01-26 06:01:47 +000011370 /* In E1/E1H use pci device function given by kernel.
11371 * In E2/E3 read physical function from ME register since these chips
11372 * support Physical Device Assignment where kernel BDF maybe arbitrary
11373 * (depending on hypervisor).
11374 */
11375 if (chip_is_e1x)
11376 bp->pf_num = PCI_FUNC(pdev->devfn);
11377 else {/* chip is E2/3*/
11378 pci_read_config_dword(bp->pdev,
11379 PCICFG_ME_REGISTER, &pci_cfg_dword);
11380 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11381 ME_REG_ABS_PF_NUM_SHIFT);
11382 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011383 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011385 bnx2x_set_power_state(bp, PCI_D0);
11386
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011387 /* clean indirect addresses */
11388 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11389 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011390 /*
11391 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011392 * is not used by the driver.
11393 */
11394 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11395 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11396 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11397 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011398
Ariel Elior65087cf2012-01-23 07:31:55 +000011399 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011400 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11401 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11402 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11403 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11404 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011405
Shmulik Ravid21894002011-07-24 03:57:04 +000011406 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011407 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011408 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011409 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011410 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011411 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011412
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011413 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000011414 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011415
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011416 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011417
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011418 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011419 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011420
Jiri Pirko01789342011-08-16 06:29:00 +000011421 dev->priv_flags |= IFF_UNICAST_FLT;
11422
Michał Mirosław66371c42011-04-12 09:38:23 +000011423 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011424 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11425 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11426 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011427
11428 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11429 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11430
11431 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011432 if (bp->flags & USING_DAC_FLAG)
11433 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011434
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011435 /* Add Loopback capability to the device */
11436 dev->hw_features |= NETIF_F_LOOPBACK;
11437
Shmulik Ravid98507672011-02-28 12:19:55 -080011438#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011439 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11440#endif
11441
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011442 /* get_port_hwinfo() will set prtad and mmds properly */
11443 bp->mdio.prtad = MDIO_PRTAD_NONE;
11444 bp->mdio.mmds = 0;
11445 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11446 bp->mdio.dev = dev;
11447 bp->mdio.mdio_read = bnx2x_mdio_read;
11448 bp->mdio.mdio_write = bnx2x_mdio_write;
11449
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011450 return 0;
11451
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011452err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011453 if (atomic_read(&pdev->enable_cnt) == 1)
11454 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011455
11456err_out_disable:
11457 pci_disable_device(pdev);
11458 pci_set_drvdata(pdev, NULL);
11459
11460err_out:
11461 return rc;
11462}
11463
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011464static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11465 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011466{
11467 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11468
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011469 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11470
11471 /* return value of 1=2.5GHz 2=5GHz */
11472 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011473}
11474
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011475static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011476{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011477 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011478 struct bnx2x_fw_file_hdr *fw_hdr;
11479 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011480 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011481 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011482 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011483 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011484
Merav Sicron51c1a582012-03-18 10:33:38 +000011485 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11486 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011487 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011488 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011489
11490 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11491 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11492
11493 /* Make sure none of the offsets and sizes make us read beyond
11494 * the end of the firmware data */
11495 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11496 offset = be32_to_cpu(sections[i].offset);
11497 len = be32_to_cpu(sections[i].len);
11498 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011499 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011500 return -EINVAL;
11501 }
11502 }
11503
11504 /* Likewise for the init_ops offsets */
11505 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11506 ops_offsets = (u16 *)(firmware->data + offset);
11507 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11508
11509 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11510 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011511 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011512 return -EINVAL;
11513 }
11514 }
11515
11516 /* Check FW version */
11517 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11518 fw_ver = firmware->data + offset;
11519 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11520 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11521 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11522 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011523 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11524 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11525 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011526 BCM_5710_FW_MINOR_VERSION,
11527 BCM_5710_FW_REVISION_VERSION,
11528 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011529 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011530 }
11531
11532 return 0;
11533}
11534
Eric Dumazet1191cb82012-04-27 21:39:21 +000011535static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011536{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011537 const __be32 *source = (const __be32 *)_source;
11538 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011539 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011540
11541 for (i = 0; i < n/4; i++)
11542 target[i] = be32_to_cpu(source[i]);
11543}
11544
11545/*
11546 Ops array is stored in the following format:
11547 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11548 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011549static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011550{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011551 const __be32 *source = (const __be32 *)_source;
11552 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011553 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011554
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011555 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011556 tmp = be32_to_cpu(source[j]);
11557 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011558 target[i].offset = tmp & 0xffffff;
11559 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011560 }
11561}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011562
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011563/**
11564 * IRO array is stored in the following format:
11565 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11566 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011567static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011568{
11569 const __be32 *source = (const __be32 *)_source;
11570 struct iro *target = (struct iro *)_target;
11571 u32 i, j, tmp;
11572
11573 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11574 target[i].base = be32_to_cpu(source[j]);
11575 j++;
11576 tmp = be32_to_cpu(source[j]);
11577 target[i].m1 = (tmp >> 16) & 0xffff;
11578 target[i].m2 = tmp & 0xffff;
11579 j++;
11580 tmp = be32_to_cpu(source[j]);
11581 target[i].m3 = (tmp >> 16) & 0xffff;
11582 target[i].size = tmp & 0xffff;
11583 j++;
11584 }
11585}
11586
Eric Dumazet1191cb82012-04-27 21:39:21 +000011587static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011588{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011589 const __be16 *source = (const __be16 *)_source;
11590 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011591 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011592
11593 for (i = 0; i < n/2; i++)
11594 target[i] = be16_to_cpu(source[i]);
11595}
11596
Joe Perches7995c642010-02-17 15:01:52 +000011597#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11598do { \
11599 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11600 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011601 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011602 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011603 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11604 (u8 *)bp->arr, len); \
11605} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011606
Yuval Mintz3b603062012-03-18 10:33:39 +000011607static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011608{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011609 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011610 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011611 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011612
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011613 if (bp->firmware)
11614 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011615
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011616 if (CHIP_IS_E1(bp))
11617 fw_file_name = FW_FILE_NAME_E1;
11618 else if (CHIP_IS_E1H(bp))
11619 fw_file_name = FW_FILE_NAME_E1H;
11620 else if (!CHIP_IS_E1x(bp))
11621 fw_file_name = FW_FILE_NAME_E2;
11622 else {
11623 BNX2X_ERR("Unsupported chip revision\n");
11624 return -EINVAL;
11625 }
11626 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011627
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011628 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11629 if (rc) {
11630 BNX2X_ERR("Can't load firmware file %s\n",
11631 fw_file_name);
11632 goto request_firmware_exit;
11633 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011634
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011635 rc = bnx2x_check_firmware(bp);
11636 if (rc) {
11637 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11638 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011639 }
11640
11641 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11642
11643 /* Initialize the pointers to the init arrays */
11644 /* Blob */
11645 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11646
11647 /* Opcodes */
11648 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11649
11650 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011651 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11652 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011653
11654 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011655 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11656 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11657 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11658 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11659 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11660 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11661 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11662 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11663 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11664 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11665 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11666 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11667 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11668 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11669 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11670 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011671 /* IRO */
11672 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011673
11674 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011675
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011676iro_alloc_err:
11677 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011678init_offsets_alloc_err:
11679 kfree(bp->init_ops);
11680init_ops_alloc_err:
11681 kfree(bp->init_data);
11682request_firmware_exit:
11683 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011684 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011685
11686 return rc;
11687}
11688
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011689static void bnx2x_release_firmware(struct bnx2x *bp)
11690{
11691 kfree(bp->init_ops_offsets);
11692 kfree(bp->init_ops);
11693 kfree(bp->init_data);
11694 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011695 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011696}
11697
11698
11699static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11700 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11701 .init_hw_cmn = bnx2x_init_hw_common,
11702 .init_hw_port = bnx2x_init_hw_port,
11703 .init_hw_func = bnx2x_init_hw_func,
11704
11705 .reset_hw_cmn = bnx2x_reset_common,
11706 .reset_hw_port = bnx2x_reset_port,
11707 .reset_hw_func = bnx2x_reset_func,
11708
11709 .gunzip_init = bnx2x_gunzip_init,
11710 .gunzip_end = bnx2x_gunzip_end,
11711
11712 .init_fw = bnx2x_init_firmware,
11713 .release_fw = bnx2x_release_firmware,
11714};
11715
11716void bnx2x__init_func_obj(struct bnx2x *bp)
11717{
11718 /* Prepare DMAE related driver resources */
11719 bnx2x_setup_dmae(bp);
11720
11721 bnx2x_init_func_obj(bp, &bp->func_obj,
11722 bnx2x_sp(bp, func_rdata),
11723 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011724 bnx2x_sp(bp, func_afex_rdata),
11725 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011726 &bnx2x_func_sp_drv);
11727}
11728
11729/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011730static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011731{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011732 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011733
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011734#ifdef BCM_CNIC
11735 cid_count += CNIC_CID_MAX;
11736#endif
11737 return roundup(cid_count, QM_CID_ROUND);
11738}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011739
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011740/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011741 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011742 *
11743 * @dev: pci device
11744 *
11745 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011746static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011747{
11748 int pos;
11749 u16 control;
11750
11751 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011752
Ariel Elior6383c0b2011-07-14 08:31:57 +000011753 /*
11754 * If MSI-X is not supported - return number of SBs needed to support
11755 * one fast path queue: one FP queue + SB for CNIC
11756 */
11757 if (!pos)
11758 return 1 + CNIC_PRESENT;
11759
11760 /*
11761 * The value in the PCI configuration space is the index of the last
11762 * entry, namely one less than the actual size of the table, which is
11763 * exactly what we want to return from this function: number of all SBs
11764 * without the default SB.
11765 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011766 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011767 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011768}
11769
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011770static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11771 const struct pci_device_id *ent)
11772{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011773 struct net_device *dev = NULL;
11774 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011775 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011776 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011777 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011778 /*
11779 * An estimated maximum supported CoS number according to the chip
11780 * version.
11781 * We will try to roughly estimate the maximum number of CoSes this chip
11782 * may support in order to minimize the memory allocated for Tx
11783 * netdev_queue's. This number will be accurately calculated during the
11784 * initialization of bp->max_cos based on the chip versions AND chip
11785 * revision in the bnx2x_init_bp().
11786 */
11787 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011788
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011789 switch (ent->driver_data) {
11790 case BCM57710:
11791 case BCM57711:
11792 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011793 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11794 break;
11795
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011796 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011797 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011798 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11799 break;
11800
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011801 case BCM57800:
11802 case BCM57800_MF:
11803 case BCM57810:
11804 case BCM57810_MF:
11805 case BCM57840:
11806 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011807 case BCM57811:
11808 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011809 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011810 break;
11811
11812 default:
11813 pr_err("Unknown board_type (%ld), aborting\n",
11814 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011815 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011816 }
11817
Ariel Elior6383c0b2011-07-14 08:31:57 +000011818 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11819
Ariel Elior6383c0b2011-07-14 08:31:57 +000011820 WARN_ON(!max_non_def_sbs);
11821
11822 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11823 rss_count = max_non_def_sbs - CNIC_PRESENT;
11824
11825 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11826 rx_count = rss_count + FCOE_PRESENT;
11827
11828 /*
11829 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000011830 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000011831 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011832 tx_count = rss_count * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011833
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011834 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011835 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011836 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011837 return -ENOMEM;
11838
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011839 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011840
Ariel Elior6383c0b2011-07-14 08:31:57 +000011841 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011842 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011843 pci_set_drvdata(pdev, dev);
11844
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011845 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011846 if (rc < 0) {
11847 free_netdev(dev);
11848 return rc;
11849 }
11850
Merav Sicron51c1a582012-03-18 10:33:38 +000011851 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011852
Merav Sicron60aa0502012-06-19 07:48:29 +000011853 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
11854 tx_count, rx_count);
11855
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011856 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011857 if (rc)
11858 goto init_one_exit;
11859
Ariel Elior6383c0b2011-07-14 08:31:57 +000011860 /*
11861 * Map doorbels here as we need the real value of bp->max_cos which
11862 * is initialized in bnx2x_init_bp().
11863 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000011864 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
11865 if (doorbell_size > pci_resource_len(pdev, 2)) {
11866 dev_err(&bp->pdev->dev,
11867 "Cannot map doorbells, bar size too small, aborting\n");
11868 rc = -ENOMEM;
11869 goto init_one_exit;
11870 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000011871 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000011872 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011873 if (!bp->doorbells) {
11874 dev_err(&bp->pdev->dev,
11875 "Cannot map doorbell space, aborting\n");
11876 rc = -ENOMEM;
11877 goto init_one_exit;
11878 }
11879
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011880 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011881 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011882
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011883#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011884 /* disable FCOE L2 queue for E1x */
11885 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011886 bp->flags |= NO_FCOE_FLAG;
11887
11888#endif
11889
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011890
11891 /* Set bp->num_queues for MSI-X mode*/
11892 bnx2x_set_num_queues(bp);
11893
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011894 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000011895 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011896 */
11897 bnx2x_set_int_mode(bp);
11898
11899 /* Add all NAPI objects */
11900 bnx2x_add_all_napi(bp);
11901
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011902 rc = register_netdev(dev);
11903 if (rc) {
11904 dev_err(&pdev->dev, "Cannot register net device\n");
11905 goto init_one_exit;
11906 }
11907
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011908#ifdef BCM_CNIC
11909 if (!NO_FCOE(bp)) {
11910 /* Add storage MAC address */
11911 rtnl_lock();
11912 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11913 rtnl_unlock();
11914 }
11915#endif
11916
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011917 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011918
Merav Sicron51c1a582012-03-18 10:33:38 +000011919 BNX2X_DEV_INFO(
11920 "%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 +000011921 board_info[ent->driver_data].name,
11922 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11923 pcie_width,
11924 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11925 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11926 "5GHz (Gen2)" : "2.5GHz",
11927 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011928
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011929 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011930
11931init_one_exit:
11932 if (bp->regview)
11933 iounmap(bp->regview);
11934
11935 if (bp->doorbells)
11936 iounmap(bp->doorbells);
11937
11938 free_netdev(dev);
11939
11940 if (atomic_read(&pdev->enable_cnt) == 1)
11941 pci_release_regions(pdev);
11942
11943 pci_disable_device(pdev);
11944 pci_set_drvdata(pdev, NULL);
11945
11946 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011947}
11948
11949static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11950{
11951 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011952 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011953
Eliezer Tamir228241e2008-02-28 11:56:57 -080011954 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011955 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011956 return;
11957 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011958 bp = netdev_priv(dev);
11959
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011960#ifdef BCM_CNIC
11961 /* Delete storage MAC address */
11962 if (!NO_FCOE(bp)) {
11963 rtnl_lock();
11964 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11965 rtnl_unlock();
11966 }
11967#endif
11968
Shmulik Ravid98507672011-02-28 12:19:55 -080011969#ifdef BCM_DCBNL
11970 /* Delete app tlvs from dcbnl */
11971 bnx2x_dcbnl_update_applist(bp, true);
11972#endif
11973
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011974 unregister_netdev(dev);
11975
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011976 /* Delete all NAPI objects */
11977 bnx2x_del_all_napi(bp);
11978
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011979 /* Power on: we can't let PCI layer write to us while we are in D3 */
11980 bnx2x_set_power_state(bp, PCI_D0);
11981
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011982 /* Disable MSI/MSI-X */
11983 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011984
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011985 /* Power off */
11986 bnx2x_set_power_state(bp, PCI_D3hot);
11987
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011988 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011989 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011990
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011991 if (bp->regview)
11992 iounmap(bp->regview);
11993
11994 if (bp->doorbells)
11995 iounmap(bp->doorbells);
11996
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011997 bnx2x_release_firmware(bp);
11998
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011999 bnx2x_free_mem_bp(bp);
12000
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012001 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012002
12003 if (atomic_read(&pdev->enable_cnt) == 1)
12004 pci_release_regions(pdev);
12005
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012006 pci_disable_device(pdev);
12007 pci_set_drvdata(pdev, NULL);
12008}
12009
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012010static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12011{
12012 int i;
12013
12014 bp->state = BNX2X_STATE_ERROR;
12015
12016 bp->rx_mode = BNX2X_RX_MODE_NONE;
12017
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012018#ifdef BCM_CNIC
12019 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12020#endif
12021 /* Stop Tx */
12022 bnx2x_tx_disable(bp);
12023
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012024 bnx2x_netif_stop(bp, 0);
12025
12026 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012027
12028 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012029
12030 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012031 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012032
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012033 /* Free SKBs, SGEs, TPA pool and driver internals */
12034 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012035
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012036 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012037 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012038
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012039 bnx2x_free_mem(bp);
12040
12041 bp->state = BNX2X_STATE_CLOSED;
12042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012043 netif_carrier_off(bp->dev);
12044
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012045 return 0;
12046}
12047
12048static void bnx2x_eeh_recover(struct bnx2x *bp)
12049{
12050 u32 val;
12051
12052 mutex_init(&bp->port.phy_mutex);
12053
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012054
12055 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12056 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12057 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12058 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012059}
12060
Wendy Xiong493adb12008-06-23 20:36:22 -070012061/**
12062 * bnx2x_io_error_detected - called when PCI error is detected
12063 * @pdev: Pointer to PCI device
12064 * @state: The current pci connection state
12065 *
12066 * This function is called after a PCI bus error affecting
12067 * this device has been detected.
12068 */
12069static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12070 pci_channel_state_t state)
12071{
12072 struct net_device *dev = pci_get_drvdata(pdev);
12073 struct bnx2x *bp = netdev_priv(dev);
12074
12075 rtnl_lock();
12076
12077 netif_device_detach(dev);
12078
Dean Nelson07ce50e2009-07-31 09:13:25 +000012079 if (state == pci_channel_io_perm_failure) {
12080 rtnl_unlock();
12081 return PCI_ERS_RESULT_DISCONNECT;
12082 }
12083
Wendy Xiong493adb12008-06-23 20:36:22 -070012084 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012085 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012086
12087 pci_disable_device(pdev);
12088
12089 rtnl_unlock();
12090
12091 /* Request a slot reset */
12092 return PCI_ERS_RESULT_NEED_RESET;
12093}
12094
12095/**
12096 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12097 * @pdev: Pointer to PCI device
12098 *
12099 * Restart the card from scratch, as if from a cold-boot.
12100 */
12101static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12102{
12103 struct net_device *dev = pci_get_drvdata(pdev);
12104 struct bnx2x *bp = netdev_priv(dev);
12105
12106 rtnl_lock();
12107
12108 if (pci_enable_device(pdev)) {
12109 dev_err(&pdev->dev,
12110 "Cannot re-enable PCI device after reset\n");
12111 rtnl_unlock();
12112 return PCI_ERS_RESULT_DISCONNECT;
12113 }
12114
12115 pci_set_master(pdev);
12116 pci_restore_state(pdev);
12117
12118 if (netif_running(dev))
12119 bnx2x_set_power_state(bp, PCI_D0);
12120
12121 rtnl_unlock();
12122
12123 return PCI_ERS_RESULT_RECOVERED;
12124}
12125
12126/**
12127 * bnx2x_io_resume - called when traffic can start flowing again
12128 * @pdev: Pointer to PCI device
12129 *
12130 * This callback is called when the error recovery driver tells us that
12131 * its OK to resume normal operation.
12132 */
12133static void bnx2x_io_resume(struct pci_dev *pdev)
12134{
12135 struct net_device *dev = pci_get_drvdata(pdev);
12136 struct bnx2x *bp = netdev_priv(dev);
12137
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012138 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012139 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012140 return;
12141 }
12142
Wendy Xiong493adb12008-06-23 20:36:22 -070012143 rtnl_lock();
12144
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012145 bnx2x_eeh_recover(bp);
12146
Wendy Xiong493adb12008-06-23 20:36:22 -070012147 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012148 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012149
12150 netif_device_attach(dev);
12151
12152 rtnl_unlock();
12153}
12154
12155static struct pci_error_handlers bnx2x_err_handler = {
12156 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012157 .slot_reset = bnx2x_io_slot_reset,
12158 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012159};
12160
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012161static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012162 .name = DRV_MODULE_NAME,
12163 .id_table = bnx2x_pci_tbl,
12164 .probe = bnx2x_init_one,
12165 .remove = __devexit_p(bnx2x_remove_one),
12166 .suspend = bnx2x_suspend,
12167 .resume = bnx2x_resume,
12168 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012169};
12170
12171static int __init bnx2x_init(void)
12172{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012173 int ret;
12174
Joe Perches7995c642010-02-17 15:01:52 +000012175 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012176
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012177 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12178 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012179 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012180 return -ENOMEM;
12181 }
12182
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012183 ret = pci_register_driver(&bnx2x_pci_driver);
12184 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012185 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012186 destroy_workqueue(bnx2x_wq);
12187 }
12188 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012189}
12190
12191static void __exit bnx2x_cleanup(void)
12192{
Yuval Mintz452427b2012-03-26 20:47:07 +000012193 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012194 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012195
12196 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012197
12198 /* Free globablly allocated resources */
12199 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12200 struct bnx2x_prev_path_list *tmp =
12201 list_entry(pos, struct bnx2x_prev_path_list, list);
12202 list_del(pos);
12203 kfree(tmp);
12204 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012205}
12206
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012207void bnx2x_notify_link_changed(struct bnx2x *bp)
12208{
12209 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12210}
12211
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012212module_init(bnx2x_init);
12213module_exit(bnx2x_cleanup);
12214
Michael Chan993ac7b2009-10-10 13:46:56 +000012215#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012216/**
12217 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12218 *
12219 * @bp: driver handle
12220 * @set: set or clear the CAM entry
12221 *
12222 * This function will wait until the ramdord completion returns.
12223 * Return 0 if success, -ENODEV if ramrod doesn't return.
12224 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012225static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012226{
12227 unsigned long ramrod_flags = 0;
12228
12229 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12230 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12231 &bp->iscsi_l2_mac_obj, true,
12232 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12233}
Michael Chan993ac7b2009-10-10 13:46:56 +000012234
12235/* count denotes the number of new completions we have seen */
12236static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12237{
12238 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012239 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012240
12241#ifdef BNX2X_STOP_ON_ERROR
12242 if (unlikely(bp->panic))
12243 return;
12244#endif
12245
12246 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012247 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012248 bp->cnic_spq_pending -= count;
12249
Michael Chan993ac7b2009-10-10 13:46:56 +000012250
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012251 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12252 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12253 & SPE_HDR_CONN_TYPE) >>
12254 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012255 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12256 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012257
12258 /* Set validation for iSCSI L2 client before sending SETUP
12259 * ramrod
12260 */
12261 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012262 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012263 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012264 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012265 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012266 (cxt_index * ILT_PAGE_CIDS);
12267 bnx2x_set_ctx_validation(bp,
12268 &bp->context[cxt_index].
12269 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012270 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012271 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012272 }
12273
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012274 /*
12275 * There may be not more than 8 L2, not more than 8 L5 SPEs
12276 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012277 * COMMON ramrods is not more than the EQ and SPQ can
12278 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012279 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012280 if (type == ETH_CONNECTION_TYPE) {
12281 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012282 break;
12283 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012284 atomic_dec(&bp->cq_spq_left);
12285 } else if (type == NONE_CONNECTION_TYPE) {
12286 if (!atomic_read(&bp->eq_spq_left))
12287 break;
12288 else
12289 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012290 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12291 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012292 if (bp->cnic_spq_pending >=
12293 bp->cnic_eth_dev.max_kwqe_pending)
12294 break;
12295 else
12296 bp->cnic_spq_pending++;
12297 } else {
12298 BNX2X_ERR("Unknown SPE type: %d\n", type);
12299 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012300 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012301 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012302
12303 spe = bnx2x_sp_get_next(bp);
12304 *spe = *bp->cnic_kwq_cons;
12305
Merav Sicron51c1a582012-03-18 10:33:38 +000012306 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012307 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12308
12309 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12310 bp->cnic_kwq_cons = bp->cnic_kwq;
12311 else
12312 bp->cnic_kwq_cons++;
12313 }
12314 bnx2x_sp_prod_update(bp);
12315 spin_unlock_bh(&bp->spq_lock);
12316}
12317
12318static int bnx2x_cnic_sp_queue(struct net_device *dev,
12319 struct kwqe_16 *kwqes[], u32 count)
12320{
12321 struct bnx2x *bp = netdev_priv(dev);
12322 int i;
12323
12324#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012325 if (unlikely(bp->panic)) {
12326 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012327 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012328 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012329#endif
12330
Ariel Elior95c6c6162012-01-26 06:01:52 +000012331 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12332 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012333 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012334 return -EAGAIN;
12335 }
12336
Michael Chan993ac7b2009-10-10 13:46:56 +000012337 spin_lock_bh(&bp->spq_lock);
12338
12339 for (i = 0; i < count; i++) {
12340 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12341
12342 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12343 break;
12344
12345 *bp->cnic_kwq_prod = *spe;
12346
12347 bp->cnic_kwq_pending++;
12348
Merav Sicron51c1a582012-03-18 10:33:38 +000012349 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012350 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012351 spe->data.update_data_addr.hi,
12352 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012353 bp->cnic_kwq_pending);
12354
12355 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12356 bp->cnic_kwq_prod = bp->cnic_kwq;
12357 else
12358 bp->cnic_kwq_prod++;
12359 }
12360
12361 spin_unlock_bh(&bp->spq_lock);
12362
12363 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12364 bnx2x_cnic_sp_post(bp, 0);
12365
12366 return i;
12367}
12368
12369static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12370{
12371 struct cnic_ops *c_ops;
12372 int rc = 0;
12373
12374 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012375 c_ops = rcu_dereference_protected(bp->cnic_ops,
12376 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012377 if (c_ops)
12378 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12379 mutex_unlock(&bp->cnic_mutex);
12380
12381 return rc;
12382}
12383
12384static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12385{
12386 struct cnic_ops *c_ops;
12387 int rc = 0;
12388
12389 rcu_read_lock();
12390 c_ops = rcu_dereference(bp->cnic_ops);
12391 if (c_ops)
12392 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12393 rcu_read_unlock();
12394
12395 return rc;
12396}
12397
12398/*
12399 * for commands that have no data
12400 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012401int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012402{
12403 struct cnic_ctl_info ctl = {0};
12404
12405 ctl.cmd = cmd;
12406
12407 return bnx2x_cnic_ctl_send(bp, &ctl);
12408}
12409
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012410static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012411{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012412 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012413
12414 /* first we tell CNIC and only then we count this as a completion */
12415 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12416 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012417 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012418
12419 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012420 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012421}
12422
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012423
12424/* Called with netif_addr_lock_bh() taken.
12425 * Sets an rx_mode config for an iSCSI ETH client.
12426 * Doesn't block.
12427 * Completion should be checked outside.
12428 */
12429static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12430{
12431 unsigned long accept_flags = 0, ramrod_flags = 0;
12432 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12433 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12434
12435 if (start) {
12436 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12437 * because it's the only way for UIO Queue to accept
12438 * multicasts (in non-promiscuous mode only one Queue per
12439 * function will receive multicast packets (leading in our
12440 * case).
12441 */
12442 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12443 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12444 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12445 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12446
12447 /* Clear STOP_PENDING bit if START is requested */
12448 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12449
12450 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12451 } else
12452 /* Clear START_PENDING bit if STOP is requested */
12453 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12454
12455 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12456 set_bit(sched_state, &bp->sp_state);
12457 else {
12458 __set_bit(RAMROD_RX, &ramrod_flags);
12459 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12460 ramrod_flags);
12461 }
12462}
12463
12464
Michael Chan993ac7b2009-10-10 13:46:56 +000012465static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12466{
12467 struct bnx2x *bp = netdev_priv(dev);
12468 int rc = 0;
12469
12470 switch (ctl->cmd) {
12471 case DRV_CTL_CTXTBL_WR_CMD: {
12472 u32 index = ctl->data.io.offset;
12473 dma_addr_t addr = ctl->data.io.dma_addr;
12474
12475 bnx2x_ilt_wr(bp, index, addr);
12476 break;
12477 }
12478
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012479 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12480 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012481
12482 bnx2x_cnic_sp_post(bp, count);
12483 break;
12484 }
12485
12486 /* rtnl_lock is held. */
12487 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012488 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12489 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012490
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012491 /* Configure the iSCSI classification object */
12492 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12493 cp->iscsi_l2_client_id,
12494 cp->iscsi_l2_cid, BP_FUNC(bp),
12495 bnx2x_sp(bp, mac_rdata),
12496 bnx2x_sp_mapping(bp, mac_rdata),
12497 BNX2X_FILTER_MAC_PENDING,
12498 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12499 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012500
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012501 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012502 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12503 if (rc)
12504 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012505
12506 mmiowb();
12507 barrier();
12508
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012509 /* Start accepting on iSCSI L2 ring */
12510
12511 netif_addr_lock_bh(dev);
12512 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12513 netif_addr_unlock_bh(dev);
12514
12515 /* bits to wait on */
12516 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12517 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12518
12519 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12520 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012521
Michael Chan993ac7b2009-10-10 13:46:56 +000012522 break;
12523 }
12524
12525 /* rtnl_lock is held. */
12526 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012527 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012528
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012529 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012530 netif_addr_lock_bh(dev);
12531 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12532 netif_addr_unlock_bh(dev);
12533
12534 /* bits to wait on */
12535 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12536 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12537
12538 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12539 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012540
12541 mmiowb();
12542 barrier();
12543
12544 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012545 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12546 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012547 break;
12548 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012549 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12550 int count = ctl->data.credit.credit_count;
12551
12552 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012553 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012554 smp_mb__after_atomic_inc();
12555 break;
12556 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012557 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012558 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012559
12560 if (CHIP_IS_E3(bp)) {
12561 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012562 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12563 int path = BP_PATH(bp);
12564 int port = BP_PORT(bp);
12565 int i;
12566 u32 scratch_offset;
12567 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012568
Barak Witkowski2e499d32012-06-26 01:31:19 +000012569 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012570 if (ulp_type == CNIC_ULP_ISCSI)
12571 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12572 else if (ulp_type == CNIC_ULP_FCOE)
12573 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12574 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012575
12576 if ((ulp_type != CNIC_ULP_FCOE) ||
12577 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12578 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12579 break;
12580
12581 /* if reached here - should write fcoe capabilities */
12582 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12583 if (!scratch_offset)
12584 break;
12585 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12586 fcoe_features[path][port]);
12587 host_addr = (u32 *) &(ctl->data.register_data.
12588 fcoe_features);
12589 for (i = 0; i < sizeof(struct fcoe_capabilities);
12590 i += 4)
12591 REG_WR(bp, scratch_offset + i,
12592 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012593 }
12594 break;
12595 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012596
Barak Witkowski1d187b32011-12-05 22:41:50 +000012597 case DRV_CTL_ULP_UNREGISTER_CMD: {
12598 int ulp_type = ctl->data.ulp_type;
12599
12600 if (CHIP_IS_E3(bp)) {
12601 int idx = BP_FW_MB_IDX(bp);
12602 u32 cap;
12603
12604 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12605 if (ulp_type == CNIC_ULP_ISCSI)
12606 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12607 else if (ulp_type == CNIC_ULP_FCOE)
12608 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12609 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12610 }
12611 break;
12612 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012613
12614 default:
12615 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12616 rc = -EINVAL;
12617 }
12618
12619 return rc;
12620}
12621
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012622void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012623{
12624 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12625
12626 if (bp->flags & USING_MSIX_FLAG) {
12627 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12628 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12629 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12630 } else {
12631 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12632 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12633 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012634 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012635 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12636 else
12637 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12638
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012639 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12640 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012641 cp->irq_arr[1].status_blk = bp->def_status_blk;
12642 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012643 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012644
12645 cp->num_irq = 2;
12646}
12647
Merav Sicron37ae41a2012-06-19 07:48:27 +000012648void bnx2x_setup_cnic_info(struct bnx2x *bp)
12649{
12650 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12651
12652
12653 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12654 bnx2x_cid_ilt_lines(bp);
12655 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12656 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12657 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12658
12659 if (NO_ISCSI_OOO(bp))
12660 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12661}
12662
Michael Chan993ac7b2009-10-10 13:46:56 +000012663static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12664 void *data)
12665{
12666 struct bnx2x *bp = netdev_priv(dev);
12667 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12668
Merav Sicron51c1a582012-03-18 10:33:38 +000012669 if (ops == NULL) {
12670 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012671 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012672 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012673
Michael Chan993ac7b2009-10-10 13:46:56 +000012674 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12675 if (!bp->cnic_kwq)
12676 return -ENOMEM;
12677
12678 bp->cnic_kwq_cons = bp->cnic_kwq;
12679 bp->cnic_kwq_prod = bp->cnic_kwq;
12680 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12681
12682 bp->cnic_spq_pending = 0;
12683 bp->cnic_kwq_pending = 0;
12684
12685 bp->cnic_data = data;
12686
12687 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012688 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012689 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012690
Michael Chan993ac7b2009-10-10 13:46:56 +000012691 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012692
Michael Chan993ac7b2009-10-10 13:46:56 +000012693 rcu_assign_pointer(bp->cnic_ops, ops);
12694
12695 return 0;
12696}
12697
12698static int bnx2x_unregister_cnic(struct net_device *dev)
12699{
12700 struct bnx2x *bp = netdev_priv(dev);
12701 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12702
12703 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012704 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012705 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012706 mutex_unlock(&bp->cnic_mutex);
12707 synchronize_rcu();
12708 kfree(bp->cnic_kwq);
12709 bp->cnic_kwq = NULL;
12710
12711 return 0;
12712}
12713
12714struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12715{
12716 struct bnx2x *bp = netdev_priv(dev);
12717 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12718
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012719 /* If both iSCSI and FCoE are disabled - return NULL in
12720 * order to indicate CNIC that it should not try to work
12721 * with this device.
12722 */
12723 if (NO_ISCSI(bp) && NO_FCOE(bp))
12724 return NULL;
12725
Michael Chan993ac7b2009-10-10 13:46:56 +000012726 cp->drv_owner = THIS_MODULE;
12727 cp->chip_id = CHIP_ID(bp);
12728 cp->pdev = bp->pdev;
12729 cp->io_base = bp->regview;
12730 cp->io_base2 = bp->doorbells;
12731 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012732 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012733 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12734 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012735 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012736 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012737 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12738 cp->drv_ctl = bnx2x_drv_ctl;
12739 cp->drv_register_cnic = bnx2x_register_cnic;
12740 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012741 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012742 cp->iscsi_l2_client_id =
12743 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012744 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012745
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012746 if (NO_ISCSI_OOO(bp))
12747 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12748
12749 if (NO_ISCSI(bp))
12750 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12751
12752 if (NO_FCOE(bp))
12753 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12754
Merav Sicron51c1a582012-03-18 10:33:38 +000012755 BNX2X_DEV_INFO(
12756 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012757 cp->ctx_blk_size,
12758 cp->ctx_tbl_offset,
12759 cp->ctx_tbl_len,
12760 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012761 return cp;
12762}
12763EXPORT_SYMBOL(bnx2x_cnic_probe);
12764
12765#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012766