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Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001/* bnx2x_cmn.h: Broadcom Everest network driver.
2 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2007-2012 Broadcom Corporation
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004 *
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 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath and fastpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17#ifndef BNX2X_CMN_H
18#define BNX2X_CMN_H
19
20#include <linux/types.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030021#include <linux/pci.h>
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000022#include <linux/netdevice.h>
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000023#include <linux/etherdevice.h>
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000024
25
26#include "bnx2x.h"
27
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030028/* This is used as a replacement for an MCP if it's not present */
29extern int load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */
30
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000031extern int num_queues;
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000032extern int int_mode;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000033
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +000034/************************ Macros ********************************/
35#define BNX2X_PCI_FREE(x, y, size) \
36 do { \
37 if (x) { \
38 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
39 x = NULL; \
40 y = 0; \
41 } \
42 } while (0)
43
44#define BNX2X_FREE(x) \
45 do { \
46 if (x) { \
47 kfree((void *)x); \
48 x = NULL; \
49 } \
50 } while (0)
51
52#define BNX2X_PCI_ALLOC(x, y, size) \
53 do { \
54 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
55 if (x == NULL) \
56 goto alloc_mem_err; \
57 memset((void *)x, 0, size); \
58 } while (0)
59
60#define BNX2X_ALLOC(x, size) \
61 do { \
62 x = kzalloc(size, GFP_KERNEL); \
63 if (x == NULL) \
64 goto alloc_mem_err; \
65 } while (0)
66
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000067/*********************** Interfaces ****************************
68 * Functions that need to be implemented by each driver version
69 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030070/* Init */
71
72/**
73 * bnx2x_send_unload_req - request unload mode from the MCP.
74 *
75 * @bp: driver handle
76 * @unload_mode: requested function's unload mode
77 *
78 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
79 */
80u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode);
81
82/**
83 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
84 *
85 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +000086 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030087 */
Yuval Mintz5d07d862012-09-13 02:56:21 +000088void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030089
90/**
Dmitry Kravkov96305232012-04-03 18:41:30 +000091 * bnx2x_config_rss_pf - configure RSS parameters in a PF.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030092 *
93 * @bp: driver handle
Ben Hutchings49ce9c22012-07-10 10:56:00 +000094 * @rss_obj: RSS object to use
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030095 * @ind_table: indirection table to configure
96 * @config_hash: re-configure RSS hash keys configuration
97 */
Dmitry Kravkov96305232012-04-03 18:41:30 +000098int bnx2x_config_rss_pf(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj,
Merav Sicron5d317c6a2012-06-19 07:48:24 +000099 bool config_hash);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300100
101/**
102 * bnx2x__init_func_obj - init function object
103 *
104 * @bp: driver handle
105 *
106 * Initializes the Function Object with the appropriate
107 * parameters which include a function slow path driver
108 * interface.
109 */
110void bnx2x__init_func_obj(struct bnx2x *bp);
111
112/**
113 * bnx2x_setup_queue - setup eth queue.
114 *
115 * @bp: driver handle
116 * @fp: pointer to the fastpath structure
117 * @leading: boolean
118 *
119 */
120int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
121 bool leading);
122
123/**
124 * bnx2x_setup_leading - bring up a leading eth queue.
125 *
126 * @bp: driver handle
127 */
128int bnx2x_setup_leading(struct bnx2x *bp);
129
130/**
131 * bnx2x_fw_command - send the MCP a request
132 *
133 * @bp: driver handle
134 * @command: request
135 * @param: request's parameter
136 *
137 * block until there is a reply
138 */
139u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000140
141/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000142 * bnx2x_initial_phy_init - initialize link parameters structure variables.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000143 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000144 * @bp: driver handle
145 * @load_mode: current mode
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000146 */
147u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode);
148
149/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000150 * bnx2x_link_set - configure hw according to link parameters structure.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000151 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000152 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000153 */
154void bnx2x_link_set(struct bnx2x *bp);
155
156/**
Yuval Mintz5d07d862012-09-13 02:56:21 +0000157 * bnx2x_force_link_reset - Forces link reset, and put the PHY
158 * in reset as well.
159 *
160 * @bp: driver handle
161 */
162void bnx2x_force_link_reset(struct bnx2x *bp);
163
164/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000165 * bnx2x_link_test - query link status.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000166 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000167 * @bp: driver handle
168 * @is_serdes: bool
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000169 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000170 * Returns 0 if link is UP.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000171 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +0000172u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000173
174/**
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300175 * bnx2x_drv_pulse - write driver pulse to shmem
176 *
177 * @bp: driver handle
178 *
179 * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox
180 * in the shmem.
181 */
182void bnx2x_drv_pulse(struct bnx2x *bp);
183
184/**
185 * bnx2x_igu_ack_sb - update IGU with current SB value
186 *
187 * @bp: driver handle
188 * @igu_sb_id: SB id
189 * @segment: SB segment
190 * @index: SB index
191 * @op: SB operation
192 * @update: is HW update required
193 */
194void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
195 u16 index, u8 op, u8 update);
196
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +0000197/* Disable transactions from chip to host */
198void bnx2x_pf_disable(struct bnx2x *bp);
199
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300200/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000201 * bnx2x__link_status_update - handles link status change.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000202 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000203 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000204 */
205void bnx2x__link_status_update(struct bnx2x *bp);
206
207/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000208 * bnx2x_link_report - report link status to upper layer.
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000209 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000210 * @bp: driver handle
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000211 */
212void bnx2x_link_report(struct bnx2x *bp);
213
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +0000214/* None-atomic version of bnx2x_link_report() */
215void __bnx2x_link_report(struct bnx2x *bp);
216
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000217/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000218 * bnx2x_get_mf_speed - calculate MF speed.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -0800219 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000220 * @bp: driver handle
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -0800221 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000222 * Takes into account current linespeed and MF configuration.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -0800223 */
224u16 bnx2x_get_mf_speed(struct bnx2x *bp);
225
226/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000227 * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000228 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000229 * @irq: irq number
230 * @dev_instance: private instance
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000231 */
232irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance);
233
234/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000235 * bnx2x_interrupt - non MSI-X interrupt handler
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000236 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000237 * @irq: irq number
238 * @dev_instance: private instance
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000239 */
240irqreturn_t bnx2x_interrupt(int irq, void *dev_instance);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000241
242/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000243 * bnx2x_cnic_notify - send command to cnic driver
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000244 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000245 * @bp: driver handle
246 * @cmd: command
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000247 */
248int bnx2x_cnic_notify(struct bnx2x *bp, int cmd);
249
250/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000251 * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000252 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000253 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000254 */
255void bnx2x_setup_cnic_irq_info(struct bnx2x *bp);
Merav Sicron37ae41a2012-06-19 07:48:27 +0000256
257/**
258 * bnx2x_setup_cnic_info - provides cnic with updated info
259 *
260 * @bp: driver handle
261 */
262void bnx2x_setup_cnic_info(struct bnx2x *bp);
263
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000264/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000265 * bnx2x_int_enable - enable HW interrupts.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000266 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000267 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000268 */
269void bnx2x_int_enable(struct bnx2x *bp);
270
271/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000272 * bnx2x_int_disable_sync - disable interrupts.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000273 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000274 * @bp: driver handle
275 * @disable_hw: true, disable HW interrupts.
276 *
277 * This function ensures that there are no
278 * ISRs or SP DPCs (sp_task) are running after it returns.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000279 */
280void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw);
281
282/**
Merav Sicron55c11942012-11-07 00:45:48 +0000283 * bnx2x_nic_init_cnic - init driver internals for cnic.
Dmitry Kravkove8920672011-05-04 23:52:40 +0000284 *
285 * @bp: driver handle
286 * @load_code: COMMON, PORT or FUNCTION
287 *
288 * Initializes:
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000289 * - rings
290 * - status blocks
291 * - etc.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000292 */
Merav Sicron55c11942012-11-07 00:45:48 +0000293void bnx2x_nic_init_cnic(struct bnx2x *bp);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000294
295/**
Merav Sicron55c11942012-11-07 00:45:48 +0000296 * bnx2x_nic_init - init driver internals.
297 *
298 * @bp: driver handle
299 *
300 * Initializes:
301 * - rings
302 * - status blocks
303 * - etc.
304 */
305void bnx2x_nic_init(struct bnx2x *bp, u32 load_code);
306/**
307 * bnx2x_alloc_mem_cnic - allocate driver's memory for cnic.
308 *
309 * @bp: driver handle
310 */
311int bnx2x_alloc_mem_cnic(struct bnx2x *bp);
312/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000313 * bnx2x_alloc_mem - allocate driver's memory.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000314 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000315 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000316 */
317int bnx2x_alloc_mem(struct bnx2x *bp);
318
319/**
Merav Sicron55c11942012-11-07 00:45:48 +0000320 * bnx2x_free_mem_cnic - release driver's memory for cnic.
321 *
322 * @bp: driver handle
323 */
324void bnx2x_free_mem_cnic(struct bnx2x *bp);
325/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000326 * bnx2x_free_mem - release driver's memory.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000327 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000328 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000329 */
330void bnx2x_free_mem(struct bnx2x *bp);
331
332/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000333 * bnx2x_set_num_queues - set number of queues according to mode.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000334 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000335 * @bp: driver handle
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000336 */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000337void bnx2x_set_num_queues(struct bnx2x *bp);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000338
339/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000340 * bnx2x_chip_cleanup - cleanup chip internals.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000341 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000342 * @bp: driver handle
343 * @unload_mode: COMMON, PORT, FUNCTION
Yuval Mintz5d07d862012-09-13 02:56:21 +0000344 * @keep_link: true iff link should be kept up.
Dmitry Kravkove8920672011-05-04 23:52:40 +0000345 *
346 * - Cleanup MAC configuration.
347 * - Closes clients.
348 * - etc.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000349 */
Yuval Mintz5d07d862012-09-13 02:56:21 +0000350void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000351
352/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000353 * bnx2x_acquire_hw_lock - acquire HW lock.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000354 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000355 * @bp: driver handle
356 * @resource: resource bit which was locked
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000357 */
358int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource);
359
360/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000361 * bnx2x_release_hw_lock - release HW lock.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000362 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000363 * @bp: driver handle
364 * @resource: resource bit which was locked
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000365 */
366int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource);
367
368/**
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +0000369 * bnx2x_release_leader_lock - release recovery leader lock
370 *
371 * @bp: driver handle
372 */
373int bnx2x_release_leader_lock(struct bnx2x *bp);
374
375/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000376 * bnx2x_set_eth_mac - configure eth MAC address in the HW
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000377 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000378 * @bp: driver handle
379 * @set: set or clear
380 *
381 * Configures according to the value in netdev->dev_addr.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000382 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300383int bnx2x_set_eth_mac(struct bnx2x *bp, bool set);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000384
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000385/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000386 * bnx2x_set_rx_mode - set MAC filtering configurations.
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000387 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000388 * @dev: netdevice
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000389 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000390 * called with netif_tx_lock from dev_mcast.c
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300391 * If bp->state is OPEN, should be called with
392 * netif_addr_lock_bh()
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000393 */
394void bnx2x_set_rx_mode(struct net_device *dev);
395
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300396/**
397 * bnx2x_set_storm_rx_mode - configure MAC filtering rules in a FW.
398 *
399 * @bp: driver handle
400 *
401 * If bp->state is OPEN, should be called with
402 * netif_addr_lock_bh().
403 */
404void bnx2x_set_storm_rx_mode(struct bnx2x *bp);
405
406/**
407 * bnx2x_set_q_rx_mode - configures rx_mode for a single queue.
408 *
409 * @bp: driver handle
410 * @cl_id: client id
411 * @rx_mode_flags: rx mode configuration
412 * @rx_accept_flags: rx accept configuration
413 * @tx_accept_flags: tx accept configuration (tx switch)
414 * @ramrod_flags: ramrod configuration
415 */
416void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
417 unsigned long rx_mode_flags,
418 unsigned long rx_accept_flags,
419 unsigned long tx_accept_flags,
420 unsigned long ramrod_flags);
421
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000422/* Parity errors related */
Ariel Elior889b9af2012-01-26 06:01:51 +0000423void bnx2x_set_pf_load(struct bnx2x *bp);
424bool bnx2x_clear_pf_load(struct bnx2x *bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +0000425bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print);
426bool bnx2x_reset_is_done(struct bnx2x *bp, int engine);
427void bnx2x_set_reset_in_progress(struct bnx2x *bp);
428void bnx2x_set_reset_global(struct bnx2x *bp);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000429void bnx2x_disable_close_the_gate(struct bnx2x *bp);
Merav Sicron55c11942012-11-07 00:45:48 +0000430int bnx2x_init_hw_func_cnic(struct bnx2x *bp);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000431
432/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000433 * bnx2x_sp_event - handle ramrods completion.
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000434 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000435 * @fp: fastpath handle for the event
436 * @rr_cqe: eth_rx_cqe
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000437 */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000438void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000439
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000440/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000441 * bnx2x_ilt_set_info - prepare ILT configurations.
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000442 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000443 * @bp: driver handle
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000444 */
445void bnx2x_ilt_set_info(struct bnx2x *bp);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000446
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000447/**
Merav Sicron55c11942012-11-07 00:45:48 +0000448 * bnx2x_ilt_set_cnic_info - prepare ILT configurations for SRC
449 * and TM.
450 *
451 * @bp: driver handle
452 */
453void bnx2x_ilt_set_info_cnic(struct bnx2x *bp);
454
455/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000456 * bnx2x_dcbx_init - initialize dcbx protocol.
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +0000457 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000458 * @bp: driver handle
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +0000459 */
Barak Witkowski98768792012-06-19 07:48:31 +0000460void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +0000461
462/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000463 * bnx2x_set_power_state - set power state to the requested value.
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000464 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000465 * @bp: driver handle
466 * @state: required state D0 or D3hot
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000467 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000468 * Currently only D0 and D3hot are supported.
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000469 */
470int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state);
471
Dmitry Kravkove3835b92011-03-06 10:50:44 +0000472/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000473 * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW.
Dmitry Kravkove3835b92011-03-06 10:50:44 +0000474 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000475 * @bp: driver handle
476 * @value: new value
Dmitry Kravkove3835b92011-03-06 10:50:44 +0000477 */
478void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300479/* Error handling */
480void bnx2x_panic_dump(struct bnx2x *bp);
Dmitry Kravkove3835b92011-03-06 10:50:44 +0000481
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000482void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl);
483
Yuval Mintz452427b2012-03-26 20:47:07 +0000484/* validate currect fw is loaded */
485bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err);
486
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000487/* dev_close main block */
Yuval Mintz5d07d862012-09-13 02:56:21 +0000488int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000489
490/* dev_open main block */
491int bnx2x_nic_load(struct bnx2x *bp, int load_mode);
492
493/* hard_xmit callback */
494netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev);
495
Ariel Elior6383c0b2011-07-14 08:31:57 +0000496/* setup_tc callback */
497int bnx2x_setup_tc(struct net_device *dev, u8 num_tc);
498
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +0000499/* select_queue callback */
500u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb);
501
Dmitry Kravkova9fccec2011-06-14 01:33:30 +0000502/* reload helper */
503int bnx2x_reload_if_running(struct net_device *dev);
504
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000505int bnx2x_change_mac_addr(struct net_device *dev, void *p);
506
507/* NAPI poll Rx part */
508int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget);
509
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300510void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
511 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod);
512
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000513/* NAPI poll Tx part */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000514int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000515
516/* suspend/resume callbacks */
517int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
518int bnx2x_resume(struct pci_dev *pdev);
519
520/* Release IRQ vectors */
521void bnx2x_free_irq(struct bnx2x *bp);
522
Merav Sicron55c11942012-11-07 00:45:48 +0000523void bnx2x_free_fp_mem_cnic(struct bnx2x *bp);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +0000524void bnx2x_free_fp_mem(struct bnx2x *bp);
Merav Sicron55c11942012-11-07 00:45:48 +0000525int bnx2x_alloc_fp_mem_cnic(struct bnx2x *bp);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +0000526int bnx2x_alloc_fp_mem(struct bnx2x *bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000527void bnx2x_init_rx_rings(struct bnx2x *bp);
Merav Sicron55c11942012-11-07 00:45:48 +0000528void bnx2x_init_rx_rings_cnic(struct bnx2x *bp);
529void bnx2x_free_skbs_cnic(struct bnx2x *bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000530void bnx2x_free_skbs(struct bnx2x *bp);
531void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
532void bnx2x_netif_start(struct bnx2x *bp);
Merav Sicron55c11942012-11-07 00:45:48 +0000533int bnx2x_load_cnic(struct bnx2x *bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000534
535/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000536 * bnx2x_enable_msix - set msix configuration.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000537 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000538 * @bp: driver handle
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000539 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000540 * fills msix_table, requests vectors, updates num_queues
541 * according to number of available vectors.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000542 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000543int bnx2x_enable_msix(struct bnx2x *bp);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000544
545/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000546 * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000547 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000548 * @bp: driver handle
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000549 */
550int bnx2x_enable_msi(struct bnx2x *bp);
551
552/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000553 * bnx2x_poll - NAPI callback
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000554 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000555 * @napi: napi structure
556 * @budget:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000557 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000558 */
559int bnx2x_poll(struct napi_struct *napi, int budget);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000560
561/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000562 * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000563 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000564 * @bp: driver handle
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000565 */
566int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp);
Dmitry Kravkove8920672011-05-04 23:52:40 +0000567
568/**
569 * bnx2x_free_mem_bp - release memories outsize main driver structure
570 *
571 * @bp: driver handle
572 */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000573void bnx2x_free_mem_bp(struct bnx2x *bp);
574
575/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000576 * bnx2x_change_mtu - change mtu netdev callback
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000577 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000578 * @dev: net device
579 * @new_mtu: requested mtu
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000580 *
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000581 */
582int bnx2x_change_mtu(struct net_device *dev, int new_mtu);
583
Merav Sicron55c11942012-11-07 00:45:48 +0000584#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +0000585/**
586 * bnx2x_fcoe_get_wwn - return the requested WWN value for this port
587 *
588 * @dev: net_device
589 * @wwn: output buffer
590 * @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
591 *
592 */
593int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
594#endif
Dmitry Kravkov621b4d62012-02-20 09:59:08 +0000595
Michał Mirosławc8f44af2011-11-15 15:29:55 +0000596netdev_features_t bnx2x_fix_features(struct net_device *dev,
Dmitry Kravkov621b4d62012-02-20 09:59:08 +0000597 netdev_features_t features);
Michał Mirosławc8f44af2011-11-15 15:29:55 +0000598int bnx2x_set_features(struct net_device *dev, netdev_features_t features);
Michał Mirosław66371c42011-04-12 09:38:23 +0000599
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000600/**
Dmitry Kravkove8920672011-05-04 23:52:40 +0000601 * bnx2x_tx_timeout - tx timeout netdev callback
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000602 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000603 * @dev: net device
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000604 */
605void bnx2x_tx_timeout(struct net_device *dev);
606
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300607/*********************** Inlines **********************************/
608/*********************** Fast path ********************************/
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000609static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
610{
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000611 barrier(); /* status block is written to by the chip */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000612 fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000613}
614
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300615static inline void bnx2x_update_rx_prod_gen(struct bnx2x *bp,
616 struct bnx2x_fastpath *fp, u16 bd_prod,
617 u16 rx_comp_prod, u16 rx_sge_prod, u32 start)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000618{
619 struct ustorm_eth_rx_producers rx_prods = {0};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300620 u32 i;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000621
622 /* Update producers */
623 rx_prods.bd_prod = bd_prod;
624 rx_prods.cqe_prod = rx_comp_prod;
625 rx_prods.sge_prod = rx_sge_prod;
626
627 /*
628 * Make sure that the BD and SGE data is updated before updating the
629 * producers since FW might read the BD/SGE right after the producer
630 * is updated.
631 * This is only applicable for weak-ordered memory model archs such
632 * as IA-64. The following barrier is also mandatory since FW will
633 * assumes BDs must have buffers.
634 */
635 wmb();
636
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300637 for (i = 0; i < sizeof(rx_prods)/4; i++)
638 REG_WR(bp, start + i*4, ((u32 *)&rx_prods)[i]);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000639
640 mmiowb(); /* keep prod updates ordered */
641
642 DP(NETIF_MSG_RX_STATUS,
643 "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n",
644 fp->index, bd_prod, rx_comp_prod, rx_sge_prod);
645}
646
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000647static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id,
648 u8 segment, u16 index, u8 op,
649 u8 update, u32 igu_addr)
650{
651 struct igu_regular cmd_data = {0};
652
653 cmd_data.sb_id_and_flags =
654 ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
655 (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
656 (update << IGU_REGULAR_BUPDATE_SHIFT) |
657 (op << IGU_REGULAR_ENABLE_INT_SHIFT));
658
Merav Sicron51c1a582012-03-18 10:33:38 +0000659 DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000660 cmd_data.sb_id_and_flags, igu_addr);
661 REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags);
662
663 /* Make sure that ACK is written */
664 mmiowb();
665 barrier();
666}
667
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000668static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id,
669 u8 storm, u16 index, u8 op, u8 update)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000670{
671 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
672 COMMAND_REG_INT_ACK);
673 struct igu_ack_register igu_ack;
674
675 igu_ack.status_block_index = index;
676 igu_ack.sb_id_and_flags =
677 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
678 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
679 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
680 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
681
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000682 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
683
684 /* Make sure that ACK is written */
685 mmiowb();
686 barrier();
687}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000688
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000689static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm,
690 u16 index, u8 op, u8 update)
691{
692 if (bp->common.int_block == INT_BLOCK_HC)
693 bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update);
694 else {
695 u8 segment;
696
697 if (CHIP_INT_MODE_IS_BC(bp))
698 segment = storm;
699 else if (igu_sb_id != bp->igu_dsb_id)
700 segment = IGU_SEG_ACCESS_DEF;
701 else if (storm == ATTENTION_ID)
702 segment = IGU_SEG_ACCESS_ATTN;
703 else
704 segment = IGU_SEG_ACCESS_DEF;
705 bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update);
706 }
707}
708
709static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000710{
711 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
712 COMMAND_REG_SIMD_MASK);
713 u32 result = REG_RD(bp, hc_addr);
714
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000715 barrier();
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000716 return result;
717}
718
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000719static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp)
720{
721 u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
722 u32 result = REG_RD(bp, igu_addr);
723
Merav Sicron51c1a582012-03-18 10:33:38 +0000724 DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000725 result, igu_addr);
726
727 barrier();
728 return result;
729}
730
731static inline u16 bnx2x_ack_int(struct bnx2x *bp)
732{
733 barrier();
734 if (bp->common.int_block == INT_BLOCK_HC)
735 return bnx2x_hc_ack_int(bp);
736 else
737 return bnx2x_igu_ack_int(bp);
738}
739
Ariel Elior6383c0b2011-07-14 08:31:57 +0000740static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000741{
742 /* Tell compiler that consumer and producer can change */
743 barrier();
Ariel Elior6383c0b2011-07-14 08:31:57 +0000744 return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000745}
746
Ariel Elior6383c0b2011-07-14 08:31:57 +0000747static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
748 struct bnx2x_fp_txdata *txdata)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000749{
750 s16 used;
751 u16 prod;
752 u16 cons;
753
Ariel Elior6383c0b2011-07-14 08:31:57 +0000754 prod = txdata->tx_bd_prod;
755 cons = txdata->tx_bd_cons;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000756
Yuval Mintz7b5342d2012-09-11 04:34:14 +0000757 used = SUB_S16(prod, cons);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000758
759#ifdef BNX2X_STOP_ON_ERROR
760 WARN_ON(used < 0);
Yuval Mintz7b5342d2012-09-11 04:34:14 +0000761 WARN_ON(used > txdata->tx_ring_size);
762 WARN_ON((txdata->tx_ring_size - used) > MAX_TX_AVAIL);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000763#endif
764
Yuval Mintz7b5342d2012-09-11 04:34:14 +0000765 return (s16)(txdata->tx_ring_size) - used;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000766}
767
Ariel Elior6383c0b2011-07-14 08:31:57 +0000768static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000769{
770 u16 hw_cons;
771
772 /* Tell compiler that status block fields can change */
773 barrier();
Ariel Elior6383c0b2011-07-14 08:31:57 +0000774 hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
775 return hw_cons != txdata->tx_pkt_cons;
776}
777
778static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
779{
780 u8 cos;
781 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +0000782 if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos]))
Ariel Elior6383c0b2011-07-14 08:31:57 +0000783 return true;
784 return false;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000785}
786
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000787static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
788{
789 u16 rx_cons_sb;
790
791 /* Tell compiler that status block fields can change */
792 barrier();
793 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
794 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
795 rx_cons_sb++;
796 return (fp->rx_comp_cons != rx_cons_sb);
797}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000798
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000799/**
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300800 * bnx2x_tx_disable - disables tx from stack point of view
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000801 *
Dmitry Kravkove8920672011-05-04 23:52:40 +0000802 * @bp: driver handle
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000803 */
804static inline void bnx2x_tx_disable(struct bnx2x *bp)
805{
806 netif_tx_disable(bp->dev);
807 netif_carrier_off(bp->dev);
808}
809
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000810static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
811 struct bnx2x_fastpath *fp, u16 index)
812{
813 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
814 struct page *page = sw_buf->page;
815 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
816
817 /* Skip "next page" elements */
818 if (!page)
819 return;
820
821 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
Dmitry Kravkov4bca60f2010-10-06 03:30:27 +0000822 SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000823 __free_pages(page, PAGES_PER_SGE_SHIFT);
824
825 sw_buf->page = NULL;
826 sge->addr_hi = 0;
827 sge->addr_lo = 0;
828}
829
Merav Sicron55c11942012-11-07 00:45:48 +0000830static inline void bnx2x_add_all_napi_cnic(struct bnx2x *bp)
831{
832 int i;
833
834 /* Add NAPI objects */
835 for_each_rx_queue_cnic(bp, i)
836 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
837 bnx2x_poll, BNX2X_NAPI_WEIGHT);
838}
839
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000840static inline void bnx2x_add_all_napi(struct bnx2x *bp)
841{
842 int i;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000843
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000844 /* Add NAPI objects */
Merav Sicron55c11942012-11-07 00:45:48 +0000845 for_each_eth_queue(bp, i)
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000846 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
847 bnx2x_poll, BNX2X_NAPI_WEIGHT);
848}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000849
Merav Sicron55c11942012-11-07 00:45:48 +0000850static inline void bnx2x_del_all_napi_cnic(struct bnx2x *bp)
851{
852 int i;
853
854 for_each_rx_queue_cnic(bp, i)
855 netif_napi_del(&bnx2x_fp(bp, i, napi));
856}
857
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000858static inline void bnx2x_del_all_napi(struct bnx2x *bp)
859{
860 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000861
Merav Sicron55c11942012-11-07 00:45:48 +0000862 for_each_eth_queue(bp, i)
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000863 netif_napi_del(&bnx2x_fp(bp, i, napi));
864}
865
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000866void bnx2x_set_int_mode(struct bnx2x *bp);
867
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000868static inline void bnx2x_disable_msi(struct bnx2x *bp)
869{
870 if (bp->flags & USING_MSIX_FLAG) {
871 pci_disable_msix(bp->pdev);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +0000872 bp->flags &= ~(USING_MSIX_FLAG | USING_SINGLE_MSIX_FLAG);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000873 } else if (bp->flags & USING_MSI_FLAG) {
874 pci_disable_msi(bp->pdev);
875 bp->flags &= ~USING_MSI_FLAG;
876 }
877}
878
879static inline int bnx2x_calc_num_queues(struct bnx2x *bp)
880{
881 return num_queues ?
882 min_t(int, num_queues, BNX2X_MAX_QUEUES(bp)) :
Yuval Mintz7d515412012-07-01 03:18:59 +0000883 min_t(int, netif_get_num_default_rss_queues(),
884 BNX2X_MAX_QUEUES(bp));
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000885}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000886
887static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
888{
889 int i, j;
890
891 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
892 int idx = RX_SGE_CNT * i - 1;
893
894 for (j = 0; j < 2; j++) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300895 BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000896 idx--;
897 }
898 }
899}
900
901static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
902{
903 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
Dmitry Kravkovb3637822011-11-13 04:34:27 +0000904 memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000905
906 /* Clear the two last indices in the page to 1:
907 these are the indices that correspond to the "next" element,
908 hence will never be indicated and should be removed from
909 the calculations. */
910 bnx2x_clear_sge_mask_next_elems(fp);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000911}
912
Eric Dumazete52fcb22011-11-14 06:05:34 +0000913/* note that we are not allocating a new buffer,
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000914 * we are just moving one from cons to prod
915 * we are not creating a new mapping,
916 * so there is no need to check for dma_mapping_error().
917 */
Eric Dumazete52fcb22011-11-14 06:05:34 +0000918static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp,
Dmitry Kravkov749a8502010-10-06 03:29:05 +0000919 u16 cons, u16 prod)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000920{
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000921 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
922 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
923 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
924 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
925
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000926 dma_unmap_addr_set(prod_rx_buf, mapping,
927 dma_unmap_addr(cons_rx_buf, mapping));
Eric Dumazete52fcb22011-11-14 06:05:34 +0000928 prod_rx_buf->data = cons_rx_buf->data;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000929 *prod_bd = *cons_bd;
930}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +0000931
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300932/************************* Init ******************************************/
933
Yuval Mintzb475d782012-04-03 18:41:29 +0000934/* returns func by VN for current port */
935static inline int func_by_vn(struct bnx2x *bp, int vn)
936{
937 return 2 * vn + BP_PORT(bp);
938}
939
Merav Sicron5d317c6a2012-06-19 07:48:24 +0000940static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash)
Dmitry Kravkov96305232012-04-03 18:41:30 +0000941{
Merav Sicron5d317c6a2012-06-19 07:48:24 +0000942 return bnx2x_config_rss_pf(bp, &bp->rss_conf_obj, config_hash);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000943}
944
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300945/**
946 * bnx2x_func_start - init function
947 *
948 * @bp: driver handle
949 *
950 * Must be called before sending CLIENT_SETUP for the first client.
951 */
952static inline int bnx2x_func_start(struct bnx2x *bp)
953{
Yuval Mintz3b603062012-03-18 10:33:39 +0000954 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300955 struct bnx2x_func_start_params *start_params =
956 &func_params.params.start;
957
958 /* Prepare parameters for function state transitions */
959 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
960
961 func_params.f_obj = &bp->func_obj;
962 func_params.cmd = BNX2X_F_CMD_START;
963
964 /* Function parameters */
965 start_params->mf_mode = bp->mf_mode;
966 start_params->sd_vlan_tag = bp->mf_ov;
Ariel Elior8d7b0272012-01-26 06:01:45 +0000967
968 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +0000969 start_params->network_cos_mode = STATIC_COS;
Ariel Elior8d7b0272012-01-26 06:01:45 +0000970 else /* CHIP_IS_E1X */
971 start_params->network_cos_mode = FW_WRR;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300972
973 return bnx2x_func_state_change(bp, &func_params);
974}
975
976
977/**
978 * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format
979 *
980 * @fw_hi: pointer to upper part
981 * @fw_mid: pointer to middle part
982 * @fw_lo: pointer to lower part
983 * @mac: pointer to MAC address
984 */
985static inline void bnx2x_set_fw_mac_addr(u16 *fw_hi, u16 *fw_mid, u16 *fw_lo,
986 u8 *mac)
987{
988 ((u8 *)fw_hi)[0] = mac[1];
989 ((u8 *)fw_hi)[1] = mac[0];
990 ((u8 *)fw_mid)[0] = mac[3];
991 ((u8 *)fw_mid)[1] = mac[2];
992 ((u8 *)fw_lo)[0] = mac[5];
993 ((u8 *)fw_lo)[1] = mac[4];
994}
995
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000996static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
997 struct bnx2x_fastpath *fp, int last)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +0000998{
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000999 int i;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001000
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00001001 if (fp->disable_tpa)
1002 return;
1003
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001004 for (i = 0; i < last; i++)
1005 bnx2x_free_rx_sge(bp, fp, i);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001006}
1007
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001009{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001010 int i;
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001011
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001012 for (i = 1; i <= NUM_RX_RINGS; i++) {
1013 struct eth_rx_bd *rx_bd;
1014
1015 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
1016 rx_bd->addr_hi =
1017 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
1018 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
1019 rx_bd->addr_lo =
1020 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
1021 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
1022 }
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001023}
1024
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001025/* Statistics ID are global per chip/path, while Client IDs for E1x are per
1026 * port.
1027 */
1028static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp)
1029{
Yuval Mintzde5c3742012-03-12 11:22:07 +00001030 struct bnx2x *bp = fp->bp;
1031 if (!CHIP_IS_E1x(bp)) {
Yuval Mintzde5c3742012-03-12 11:22:07 +00001032 /* there are special statistics counters for FCoE 136..140 */
1033 if (IS_FCOE_FP(fp))
1034 return bp->cnic_base_cl_id + (bp->pf_num >> 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001035 return fp->cl_id;
Yuval Mintzde5c3742012-03-12 11:22:07 +00001036 }
1037 return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001038}
1039
1040static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp,
1041 bnx2x_obj_type obj_type)
1042{
1043 struct bnx2x *bp = fp->bp;
1044
1045 /* Configure classification DBs */
Barak Witkowski15192a82012-06-19 07:48:28 +00001046 bnx2x_init_mac_obj(bp, &bnx2x_sp_obj(bp, fp).mac_obj, fp->cl_id,
1047 fp->cid, BP_FUNC(bp), bnx2x_sp(bp, mac_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001048 bnx2x_sp_mapping(bp, mac_rdata),
1049 BNX2X_FILTER_MAC_PENDING,
1050 &bp->sp_state, obj_type,
1051 &bp->macs_pool);
1052}
1053
1054/**
1055 * bnx2x_get_path_func_num - get number of active functions
1056 *
1057 * @bp: driver handle
1058 *
1059 * Calculates the number of active (not hidden) functions on the
1060 * current path.
1061 */
1062static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
1063{
1064 u8 func_num = 0, i;
1065
1066 /* 57710 has only one function per-port */
1067 if (CHIP_IS_E1(bp))
1068 return 1;
1069
1070 /* Calculate a number of functions enabled on the current
1071 * PATH/PORT.
1072 */
1073 if (CHIP_REV_IS_SLOW(bp)) {
1074 if (IS_MF(bp))
1075 func_num = 4;
1076 else
1077 func_num = 2;
1078 } else {
1079 for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
1080 u32 func_config =
1081 MF_CFG_RD(bp,
1082 func_mf_config[BP_PORT(bp) + 2 * i].
1083 config);
1084 func_num +=
1085 ((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
1086 }
1087 }
1088
1089 WARN_ON(!func_num);
1090
1091 return func_num;
1092}
1093
1094static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
1095{
1096 /* RX_MODE controlling object */
1097 bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);
1098
1099 /* multicast configuration controlling object */
1100 bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
1101 BP_FUNC(bp), BP_FUNC(bp),
1102 bnx2x_sp(bp, mcast_rdata),
1103 bnx2x_sp_mapping(bp, mcast_rdata),
1104 BNX2X_FILTER_MCAST_PENDING, &bp->sp_state,
1105 BNX2X_OBJ_TYPE_RX);
1106
1107 /* Setup CAM credit pools */
1108 bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
1109 bnx2x_get_path_func_num(bp));
1110
1111 /* RSS configuration object */
1112 bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
1113 bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
1114 bnx2x_sp(bp, rss_rdata),
1115 bnx2x_sp_mapping(bp, rss_rdata),
1116 BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state,
1117 BNX2X_OBJ_TYPE_RX);
1118}
1119
1120static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp)
1121{
1122 if (CHIP_IS_E1x(fp->bp))
1123 return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H;
1124 else
1125 return fp->cl_id;
1126}
1127
1128static inline u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
1129{
1130 struct bnx2x *bp = fp->bp;
1131
1132 if (!CHIP_IS_E1x(bp))
1133 return USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
1134 else
1135 return USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
1136}
1137
Ariel Elior6383c0b2011-07-14 08:31:57 +00001138static inline void bnx2x_init_txdata(struct bnx2x *bp,
Merav Sicron65565882012-06-19 07:48:26 +00001139 struct bnx2x_fp_txdata *txdata, u32 cid,
1140 int txq_index, __le16 *tx_cons_sb,
1141 struct bnx2x_fastpath *fp)
Ariel Elior6383c0b2011-07-14 08:31:57 +00001142{
1143 txdata->cid = cid;
1144 txdata->txq_index = txq_index;
1145 txdata->tx_cons_sb = tx_cons_sb;
Merav Sicron65565882012-06-19 07:48:26 +00001146 txdata->parent_fp = fp;
Yuval Mintz7b5342d2012-09-11 04:34:14 +00001147 txdata->tx_ring_size = IS_FCOE_FP(fp) ? MAX_TX_AVAIL : bp->tx_ring_size;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001148
Merav Sicron51c1a582012-03-18 10:33:38 +00001149 DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001150 txdata->cid, txdata->txq_index);
1151}
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001152
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001153static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
1154{
1155 return bp->cnic_base_cl_id + cl_idx +
David S. Miller1805b2f2011-10-24 18:18:09 -04001156 (bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001157}
1158
1159static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
1160{
1161
1162 /* the 'first' id is allocated for the cnic */
1163 return bp->base_fw_ndsb;
1164}
1165
1166static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp)
1167{
1168 return bp->igu_base_sb;
1169}
1170
1171
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001172static inline void bnx2x_init_fcoe_fp(struct bnx2x *bp)
1173{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001174 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
1175 unsigned long q_type = 0;
1176
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00001177 bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001178 bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp,
1179 BNX2X_FCOE_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +00001180 bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID(bp);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001181 bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID;
1182 bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001183 bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX;
Merav Sicron65565882012-06-19 07:48:26 +00001184 bnx2x_init_txdata(bp, bnx2x_fcoe(bp, txdata_ptr[0]),
1185 fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX,
1186 fp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001187
Merav Sicron51c1a582012-03-18 10:33:38 +00001188 DP(NETIF_MSG_IFUP, "created fcoe tx data (fp index %d)\n", fp->index);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001189
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001190 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001191 bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001192 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001193 bnx2x_fcoe(bp, ustorm_rx_prods_offset) =
1194 bnx2x_rx_ustorm_prods_offset(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001195
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001196 /* Configure Queue State object */
1197 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1198 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001199
1200 /* No multi-CoS for FCoE L2 client */
1201 BUG_ON(fp->max_cos != 1);
1202
Barak Witkowski15192a82012-06-19 07:48:28 +00001203 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id,
1204 &fp->cid, 1, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00001205 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001206
Merav Sicron51c1a582012-03-18 10:33:38 +00001207 DP(NETIF_MSG_IFUP,
1208 "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001209 fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
1210 fp->igu_sb_id);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001211}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001212
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001213static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00001214 struct bnx2x_fp_txdata *txdata)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001215{
1216 int cnt = 1000;
1217
Ariel Elior6383c0b2011-07-14 08:31:57 +00001218 while (bnx2x_has_tx_work_unload(txdata)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001219 if (!cnt) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001220 BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001221 txdata->txq_index, txdata->tx_pkt_prod,
1222 txdata->tx_pkt_cons);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001223#ifdef BNX2X_STOP_ON_ERROR
1224 bnx2x_panic();
1225 return -EBUSY;
1226#else
1227 break;
1228#endif
1229 }
1230 cnt--;
1231 usleep_range(1000, 1000);
1232 }
1233
1234 return 0;
1235}
1236
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00001237int bnx2x_get_link_cfg_idx(struct bnx2x *bp);
1238
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001239static inline void __storm_memset_struct(struct bnx2x *bp,
1240 u32 addr, size_t size, u32 *data)
1241{
1242 int i;
1243 for (i = 0; i < size/4; i++)
1244 REG_WR(bp, addr + (i * 4), data[i]);
1245}
1246
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001247/**
1248 * bnx2x_wait_sp_comp - wait for the outstanding SP commands.
1249 *
1250 * @bp: driver handle
1251 * @mask: bits that need to be cleared
1252 */
1253static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask)
1254{
1255 int tout = 5000; /* Wait for 5 secs tops */
1256
1257 while (tout--) {
1258 smp_mb();
1259 netif_addr_lock_bh(bp->dev);
1260 if (!(bp->sp_state & mask)) {
1261 netif_addr_unlock_bh(bp->dev);
1262 return true;
1263 }
1264 netif_addr_unlock_bh(bp->dev);
1265
1266 usleep_range(1000, 1000);
1267 }
1268
1269 smp_mb();
1270
1271 netif_addr_lock_bh(bp->dev);
1272 if (bp->sp_state & mask) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001273 BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n",
1274 bp->sp_state, mask);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001275 netif_addr_unlock_bh(bp->dev);
1276 return false;
1277 }
1278 netif_addr_unlock_bh(bp->dev);
1279
1280 return true;
1281}
1282
1283/**
1284 * bnx2x_set_ctx_validation - set CDU context validation values
1285 *
1286 * @bp: driver handle
1287 * @cxt: context of the connection on the host memory
1288 * @cid: SW CID of the connection to be configured
1289 */
1290void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt,
1291 u32 cid);
1292
1293void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id,
1294 u8 sb_index, u8 disable, u16 usec);
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001295void bnx2x_acquire_phy_lock(struct bnx2x *bp);
1296void bnx2x_release_phy_lock(struct bnx2x *bp);
1297
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001298/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00001299 * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration.
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001300 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00001301 * @bp: driver handle
1302 * @mf_cfg: MF configuration
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001303 *
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001304 */
1305static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg)
1306{
1307 u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1308 FUNC_MF_CFG_MAX_BW_SHIFT;
1309 if (!max_cfg) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001310 DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL,
Michal Schmidt96b0acc2011-08-18 21:51:01 -07001311 "Max BW configured to 0 - using 100 instead\n");
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001312 max_cfg = 100;
1313 }
1314 return max_cfg;
1315}
1316
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00001317/* checks if HW supports GRO for given MTU */
1318static inline bool bnx2x_mtu_allows_gro(int mtu)
1319{
1320 /* gro frags per page */
1321 int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE);
1322
1323 /*
1324 * 1. number of frags should not grow above MAX_SKB_FRAGS
1325 * 2. frag must fit the page
1326 */
1327 return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS;
1328}
Merav Sicron55c11942012-11-07 00:45:48 +00001329
Mintz Yuval1355b702012-02-15 02:10:22 +00001330/**
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00001331 * bnx2x_get_iscsi_info - update iSCSI params according to licensing info.
1332 *
1333 * @bp: driver handle
1334 *
1335 */
1336void bnx2x_get_iscsi_info(struct bnx2x *bp);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00001337
1338/**
1339 * bnx2x_link_sync_notify - send notification to other functions.
1340 *
1341 * @bp: driver handle
1342 *
1343 */
1344static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
1345{
1346 int func;
1347 int vn;
1348
1349 /* Set the attention towards other drivers on the same port */
1350 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
1351 if (vn == BP_VN(bp))
1352 continue;
1353
1354 func = func_by_vn(bp, vn);
1355 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
1356 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
1357 }
1358}
1359
1360/**
1361 * bnx2x_update_drv_flags - update flags in shmem
1362 *
1363 * @bp: driver handle
1364 * @flags: flags to update
1365 * @set: set or clear
1366 *
1367 */
1368static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set)
1369{
1370 if (SHMEM2_HAS(bp, drv_flags)) {
1371 u32 drv_flags;
Ariel Eliorf16da432012-01-26 06:01:50 +00001372 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00001373 drv_flags = SHMEM2_RD(bp, drv_flags);
1374
1375 if (set)
1376 SET_FLAGS(drv_flags, flags);
1377 else
1378 RESET_FLAGS(drv_flags, flags);
1379
1380 SHMEM2_WR(bp, drv_flags, drv_flags);
Merav Sicron51c1a582012-03-18 10:33:38 +00001381 DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags);
Ariel Eliorf16da432012-01-26 06:01:50 +00001382 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00001383 }
1384}
1385
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00001386static inline bool bnx2x_is_valid_ether_addr(struct bnx2x *bp, u8 *addr)
1387{
Merav Sicron55c11942012-11-07 00:45:48 +00001388 if (is_valid_ether_addr(addr) ||
1389 (is_zero_ether_addr(addr) &&
1390 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))))
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00001391 return true;
Merav Sicron55c11942012-11-07 00:45:48 +00001392
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00001393 return false;
1394}
1395
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001396#endif /* BNX2X_CMN_H */