Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1 | /* bnx2x_cmn.h: Broadcom Everest network driver. |
| 2 | * |
Ariel Elior | 85b26ea | 2012-01-26 06:01:54 +0000 | [diff] [blame] | 3 | * Copyright (c) 2007-2012 Broadcom Corporation |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 4 | * |
| 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 Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 21 | #include <linux/pci.h> |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 22 | #include <linux/netdevice.h> |
Dmitry Kravkov | 614c76d | 2011-11-28 12:31:49 +0000 | [diff] [blame] | 23 | #include <linux/etherdevice.h> |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 24 | |
| 25 | |
| 26 | #include "bnx2x.h" |
| 27 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 28 | /* This is used as a replacement for an MCP if it's not present */ |
| 29 | extern int load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */ |
| 30 | |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 31 | extern int num_queues; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 32 | |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 33 | /************************ Macros ********************************/ |
| 34 | #define BNX2X_PCI_FREE(x, y, size) \ |
| 35 | do { \ |
| 36 | if (x) { \ |
| 37 | dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \ |
| 38 | x = NULL; \ |
| 39 | y = 0; \ |
| 40 | } \ |
| 41 | } while (0) |
| 42 | |
| 43 | #define BNX2X_FREE(x) \ |
| 44 | do { \ |
| 45 | if (x) { \ |
| 46 | kfree((void *)x); \ |
| 47 | x = NULL; \ |
| 48 | } \ |
| 49 | } while (0) |
| 50 | |
| 51 | #define BNX2X_PCI_ALLOC(x, y, size) \ |
| 52 | do { \ |
| 53 | x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \ |
| 54 | if (x == NULL) \ |
| 55 | goto alloc_mem_err; \ |
| 56 | memset((void *)x, 0, size); \ |
| 57 | } while (0) |
| 58 | |
| 59 | #define BNX2X_ALLOC(x, size) \ |
| 60 | do { \ |
| 61 | x = kzalloc(size, GFP_KERNEL); \ |
| 62 | if (x == NULL) \ |
| 63 | goto alloc_mem_err; \ |
| 64 | } while (0) |
| 65 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 66 | /*********************** Interfaces **************************** |
| 67 | * Functions that need to be implemented by each driver version |
| 68 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 69 | /* Init */ |
| 70 | |
| 71 | /** |
| 72 | * bnx2x_send_unload_req - request unload mode from the MCP. |
| 73 | * |
| 74 | * @bp: driver handle |
| 75 | * @unload_mode: requested function's unload mode |
| 76 | * |
| 77 | * Return unload mode returned by the MCP: COMMON, PORT or FUNC. |
| 78 | */ |
| 79 | u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode); |
| 80 | |
| 81 | /** |
| 82 | * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP. |
| 83 | * |
| 84 | * @bp: driver handle |
| 85 | */ |
| 86 | void bnx2x_send_unload_done(struct bnx2x *bp); |
| 87 | |
| 88 | /** |
| 89 | * bnx2x_config_rss_pf - configure RSS parameters. |
| 90 | * |
| 91 | * @bp: driver handle |
| 92 | * @ind_table: indirection table to configure |
| 93 | * @config_hash: re-configure RSS hash keys configuration |
| 94 | */ |
| 95 | int bnx2x_config_rss_pf(struct bnx2x *bp, u8 *ind_table, bool config_hash); |
| 96 | |
| 97 | /** |
| 98 | * bnx2x__init_func_obj - init function object |
| 99 | * |
| 100 | * @bp: driver handle |
| 101 | * |
| 102 | * Initializes the Function Object with the appropriate |
| 103 | * parameters which include a function slow path driver |
| 104 | * interface. |
| 105 | */ |
| 106 | void bnx2x__init_func_obj(struct bnx2x *bp); |
| 107 | |
| 108 | /** |
| 109 | * bnx2x_setup_queue - setup eth queue. |
| 110 | * |
| 111 | * @bp: driver handle |
| 112 | * @fp: pointer to the fastpath structure |
| 113 | * @leading: boolean |
| 114 | * |
| 115 | */ |
| 116 | int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
| 117 | bool leading); |
| 118 | |
| 119 | /** |
| 120 | * bnx2x_setup_leading - bring up a leading eth queue. |
| 121 | * |
| 122 | * @bp: driver handle |
| 123 | */ |
| 124 | int bnx2x_setup_leading(struct bnx2x *bp); |
| 125 | |
| 126 | /** |
| 127 | * bnx2x_fw_command - send the MCP a request |
| 128 | * |
| 129 | * @bp: driver handle |
| 130 | * @command: request |
| 131 | * @param: request's parameter |
| 132 | * |
| 133 | * block until there is a reply |
| 134 | */ |
| 135 | u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 136 | |
| 137 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 138 | * bnx2x_initial_phy_init - initialize link parameters structure variables. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 139 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 140 | * @bp: driver handle |
| 141 | * @load_mode: current mode |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 142 | */ |
| 143 | u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode); |
| 144 | |
| 145 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 146 | * bnx2x_link_set - configure hw according to link parameters structure. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 147 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 148 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 149 | */ |
| 150 | void bnx2x_link_set(struct bnx2x *bp); |
| 151 | |
| 152 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 153 | * bnx2x_link_test - query link status. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 154 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 155 | * @bp: driver handle |
| 156 | * @is_serdes: bool |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 157 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 158 | * Returns 0 if link is UP. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 159 | */ |
Yaniv Rosner | a22f078 | 2010-09-07 11:41:20 +0000 | [diff] [blame] | 160 | u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 161 | |
| 162 | /** |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 163 | * bnx2x_drv_pulse - write driver pulse to shmem |
| 164 | * |
| 165 | * @bp: driver handle |
| 166 | * |
| 167 | * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox |
| 168 | * in the shmem. |
| 169 | */ |
| 170 | void bnx2x_drv_pulse(struct bnx2x *bp); |
| 171 | |
| 172 | /** |
| 173 | * bnx2x_igu_ack_sb - update IGU with current SB value |
| 174 | * |
| 175 | * @bp: driver handle |
| 176 | * @igu_sb_id: SB id |
| 177 | * @segment: SB segment |
| 178 | * @index: SB index |
| 179 | * @op: SB operation |
| 180 | * @update: is HW update required |
| 181 | */ |
| 182 | void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment, |
| 183 | u16 index, u8 op, u8 update); |
| 184 | |
Vladislav Zolotarov | c9ee920 | 2011-06-14 01:33:51 +0000 | [diff] [blame] | 185 | /* Disable transactions from chip to host */ |
| 186 | void bnx2x_pf_disable(struct bnx2x *bp); |
| 187 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 188 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 189 | * bnx2x__link_status_update - handles link status change. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 190 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 191 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 192 | */ |
| 193 | void bnx2x__link_status_update(struct bnx2x *bp); |
| 194 | |
| 195 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 196 | * bnx2x_link_report - report link status to upper layer. |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 197 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 198 | * @bp: driver handle |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 199 | */ |
| 200 | void bnx2x_link_report(struct bnx2x *bp); |
| 201 | |
Vladislav Zolotarov | 2ae17f6 | 2011-05-04 23:48:23 +0000 | [diff] [blame] | 202 | /* None-atomic version of bnx2x_link_report() */ |
| 203 | void __bnx2x_link_report(struct bnx2x *bp); |
| 204 | |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 205 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 206 | * bnx2x_get_mf_speed - calculate MF speed. |
Dmitry Kravkov | 0793f83f | 2010-12-01 12:39:28 -0800 | [diff] [blame] | 207 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 208 | * @bp: driver handle |
Dmitry Kravkov | 0793f83f | 2010-12-01 12:39:28 -0800 | [diff] [blame] | 209 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 210 | * Takes into account current linespeed and MF configuration. |
Dmitry Kravkov | 0793f83f | 2010-12-01 12:39:28 -0800 | [diff] [blame] | 211 | */ |
| 212 | u16 bnx2x_get_mf_speed(struct bnx2x *bp); |
| 213 | |
| 214 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 215 | * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 216 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 217 | * @irq: irq number |
| 218 | * @dev_instance: private instance |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 219 | */ |
| 220 | irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance); |
| 221 | |
| 222 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 223 | * bnx2x_interrupt - non MSI-X interrupt handler |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 224 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 225 | * @irq: irq number |
| 226 | * @dev_instance: private instance |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 227 | */ |
| 228 | irqreturn_t bnx2x_interrupt(int irq, void *dev_instance); |
| 229 | #ifdef BCM_CNIC |
| 230 | |
| 231 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 232 | * bnx2x_cnic_notify - send command to cnic driver |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 233 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 234 | * @bp: driver handle |
| 235 | * @cmd: command |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 236 | */ |
| 237 | int bnx2x_cnic_notify(struct bnx2x *bp, int cmd); |
| 238 | |
| 239 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 240 | * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 241 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 242 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 243 | */ |
| 244 | void bnx2x_setup_cnic_irq_info(struct bnx2x *bp); |
| 245 | #endif |
| 246 | |
| 247 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 248 | * bnx2x_int_enable - enable HW interrupts. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 249 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 250 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 251 | */ |
| 252 | void bnx2x_int_enable(struct bnx2x *bp); |
| 253 | |
| 254 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 255 | * bnx2x_int_disable_sync - disable interrupts. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 256 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 257 | * @bp: driver handle |
| 258 | * @disable_hw: true, disable HW interrupts. |
| 259 | * |
| 260 | * This function ensures that there are no |
| 261 | * ISRs or SP DPCs (sp_task) are running after it returns. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 262 | */ |
| 263 | void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw); |
| 264 | |
| 265 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 266 | * bnx2x_nic_init - init driver internals. |
| 267 | * |
| 268 | * @bp: driver handle |
| 269 | * @load_code: COMMON, PORT or FUNCTION |
| 270 | * |
| 271 | * Initializes: |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 272 | * - rings |
| 273 | * - status blocks |
| 274 | * - etc. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 275 | */ |
| 276 | void bnx2x_nic_init(struct bnx2x *bp, u32 load_code); |
| 277 | |
| 278 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 279 | * bnx2x_alloc_mem - allocate driver's memory. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 280 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 281 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 282 | */ |
| 283 | int bnx2x_alloc_mem(struct bnx2x *bp); |
| 284 | |
| 285 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 286 | * bnx2x_free_mem - release driver's memory. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 287 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 288 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 289 | */ |
| 290 | void bnx2x_free_mem(struct bnx2x *bp); |
| 291 | |
| 292 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 293 | * bnx2x_set_num_queues - set number of queues according to mode. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 294 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 295 | * @bp: driver handle |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 296 | */ |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 297 | void bnx2x_set_num_queues(struct bnx2x *bp); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 298 | |
| 299 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 300 | * bnx2x_chip_cleanup - cleanup chip internals. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 301 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 302 | * @bp: driver handle |
| 303 | * @unload_mode: COMMON, PORT, FUNCTION |
| 304 | * |
| 305 | * - Cleanup MAC configuration. |
| 306 | * - Closes clients. |
| 307 | * - etc. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 308 | */ |
| 309 | void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode); |
| 310 | |
| 311 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 312 | * bnx2x_acquire_hw_lock - acquire HW lock. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 313 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 314 | * @bp: driver handle |
| 315 | * @resource: resource bit which was locked |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 316 | */ |
| 317 | int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource); |
| 318 | |
| 319 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 320 | * bnx2x_release_hw_lock - release HW lock. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 321 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 322 | * @bp: driver handle |
| 323 | * @resource: resource bit which was locked |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 324 | */ |
| 325 | int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource); |
| 326 | |
| 327 | /** |
Vladislav Zolotarov | c9ee920 | 2011-06-14 01:33:51 +0000 | [diff] [blame] | 328 | * bnx2x_release_leader_lock - release recovery leader lock |
| 329 | * |
| 330 | * @bp: driver handle |
| 331 | */ |
| 332 | int bnx2x_release_leader_lock(struct bnx2x *bp); |
| 333 | |
| 334 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 335 | * bnx2x_set_eth_mac - configure eth MAC address in the HW |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 336 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 337 | * @bp: driver handle |
| 338 | * @set: set or clear |
| 339 | * |
| 340 | * Configures according to the value in netdev->dev_addr. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 341 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 342 | int bnx2x_set_eth_mac(struct bnx2x *bp, bool set); |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 343 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 344 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 345 | * bnx2x_set_rx_mode - set MAC filtering configurations. |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 346 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 347 | * @dev: netdevice |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 348 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 349 | * called with netif_tx_lock from dev_mcast.c |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 350 | * If bp->state is OPEN, should be called with |
| 351 | * netif_addr_lock_bh() |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 352 | */ |
| 353 | void bnx2x_set_rx_mode(struct net_device *dev); |
| 354 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 355 | /** |
| 356 | * bnx2x_set_storm_rx_mode - configure MAC filtering rules in a FW. |
| 357 | * |
| 358 | * @bp: driver handle |
| 359 | * |
| 360 | * If bp->state is OPEN, should be called with |
| 361 | * netif_addr_lock_bh(). |
| 362 | */ |
| 363 | void bnx2x_set_storm_rx_mode(struct bnx2x *bp); |
| 364 | |
| 365 | /** |
| 366 | * bnx2x_set_q_rx_mode - configures rx_mode for a single queue. |
| 367 | * |
| 368 | * @bp: driver handle |
| 369 | * @cl_id: client id |
| 370 | * @rx_mode_flags: rx mode configuration |
| 371 | * @rx_accept_flags: rx accept configuration |
| 372 | * @tx_accept_flags: tx accept configuration (tx switch) |
| 373 | * @ramrod_flags: ramrod configuration |
| 374 | */ |
| 375 | void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id, |
| 376 | unsigned long rx_mode_flags, |
| 377 | unsigned long rx_accept_flags, |
| 378 | unsigned long tx_accept_flags, |
| 379 | unsigned long ramrod_flags); |
| 380 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 381 | /* Parity errors related */ |
Ariel Elior | 889b9af | 2012-01-26 06:01:51 +0000 | [diff] [blame] | 382 | void bnx2x_set_pf_load(struct bnx2x *bp); |
| 383 | bool bnx2x_clear_pf_load(struct bnx2x *bp); |
Vladislav Zolotarov | c9ee920 | 2011-06-14 01:33:51 +0000 | [diff] [blame] | 384 | bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print); |
| 385 | bool bnx2x_reset_is_done(struct bnx2x *bp, int engine); |
| 386 | void bnx2x_set_reset_in_progress(struct bnx2x *bp); |
| 387 | void bnx2x_set_reset_global(struct bnx2x *bp); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 388 | void bnx2x_disable_close_the_gate(struct bnx2x *bp); |
| 389 | |
| 390 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 391 | * bnx2x_sp_event - handle ramrods completion. |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 392 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 393 | * @fp: fastpath handle for the event |
| 394 | * @rr_cqe: eth_rx_cqe |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 395 | */ |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 396 | void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 397 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 398 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 399 | * bnx2x_ilt_set_info - prepare ILT configurations. |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 400 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 401 | * @bp: driver handle |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 402 | */ |
| 403 | void bnx2x_ilt_set_info(struct bnx2x *bp); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 404 | |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 405 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 406 | * bnx2x_dcbx_init - initialize dcbx protocol. |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 407 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 408 | * @bp: driver handle |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 409 | */ |
| 410 | void bnx2x_dcbx_init(struct bnx2x *bp); |
| 411 | |
| 412 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 413 | * bnx2x_set_power_state - set power state to the requested value. |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 414 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 415 | * @bp: driver handle |
| 416 | * @state: required state D0 or D3hot |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 417 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 418 | * Currently only D0 and D3hot are supported. |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 419 | */ |
| 420 | int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); |
| 421 | |
Dmitry Kravkov | e3835b9 | 2011-03-06 10:50:44 +0000 | [diff] [blame] | 422 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 423 | * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW. |
Dmitry Kravkov | e3835b9 | 2011-03-06 10:50:44 +0000 | [diff] [blame] | 424 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 425 | * @bp: driver handle |
| 426 | * @value: new value |
Dmitry Kravkov | e3835b9 | 2011-03-06 10:50:44 +0000 | [diff] [blame] | 427 | */ |
| 428 | void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 429 | /* Error handling */ |
| 430 | void bnx2x_panic_dump(struct bnx2x *bp); |
Dmitry Kravkov | e3835b9 | 2011-03-06 10:50:44 +0000 | [diff] [blame] | 431 | |
Dmitry Kravkov | 7a25cc7 | 2011-06-14 01:33:25 +0000 | [diff] [blame] | 432 | void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl); |
| 433 | |
Yuval Mintz | 452427b | 2012-03-26 20:47:07 +0000 | [diff] [blame^] | 434 | /* validate currect fw is loaded */ |
| 435 | bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err); |
| 436 | |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 437 | /* dev_close main block */ |
| 438 | int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode); |
| 439 | |
| 440 | /* dev_open main block */ |
| 441 | int bnx2x_nic_load(struct bnx2x *bp, int load_mode); |
| 442 | |
| 443 | /* hard_xmit callback */ |
| 444 | netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 445 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 446 | /* setup_tc callback */ |
| 447 | int bnx2x_setup_tc(struct net_device *dev, u8 num_tc); |
| 448 | |
Vladislav Zolotarov | 8307fa3 | 2010-12-13 05:44:09 +0000 | [diff] [blame] | 449 | /* select_queue callback */ |
| 450 | u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb); |
| 451 | |
Dmitry Kravkov | a9fccec | 2011-06-14 01:33:30 +0000 | [diff] [blame] | 452 | /* reload helper */ |
| 453 | int bnx2x_reload_if_running(struct net_device *dev); |
| 454 | |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 455 | int bnx2x_change_mac_addr(struct net_device *dev, void *p); |
| 456 | |
| 457 | /* NAPI poll Rx part */ |
| 458 | int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget); |
| 459 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 460 | void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp, |
| 461 | u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod); |
| 462 | |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 463 | /* NAPI poll Tx part */ |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 464 | int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata); |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 465 | |
| 466 | /* suspend/resume callbacks */ |
| 467 | int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state); |
| 468 | int bnx2x_resume(struct pci_dev *pdev); |
| 469 | |
| 470 | /* Release IRQ vectors */ |
| 471 | void bnx2x_free_irq(struct bnx2x *bp); |
| 472 | |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 473 | void bnx2x_free_fp_mem(struct bnx2x *bp); |
| 474 | int bnx2x_alloc_fp_mem(struct bnx2x *bp); |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 475 | void bnx2x_init_rx_rings(struct bnx2x *bp); |
| 476 | void bnx2x_free_skbs(struct bnx2x *bp); |
| 477 | void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw); |
| 478 | void bnx2x_netif_start(struct bnx2x *bp); |
| 479 | |
| 480 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 481 | * bnx2x_enable_msix - set msix configuration. |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 482 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 483 | * @bp: driver handle |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 484 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 485 | * fills msix_table, requests vectors, updates num_queues |
| 486 | * according to number of available vectors. |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 487 | */ |
| 488 | int bnx2x_enable_msix(struct bnx2x *bp); |
| 489 | |
| 490 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 491 | * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 492 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 493 | * @bp: driver handle |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 494 | */ |
| 495 | int bnx2x_enable_msi(struct bnx2x *bp); |
| 496 | |
| 497 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 498 | * bnx2x_poll - NAPI callback |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 499 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 500 | * @napi: napi structure |
| 501 | * @budget: |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 502 | * |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 503 | */ |
| 504 | int bnx2x_poll(struct napi_struct *napi, int budget); |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 505 | |
| 506 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 507 | * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 508 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 509 | * @bp: driver handle |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 510 | */ |
| 511 | int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp); |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 512 | |
| 513 | /** |
| 514 | * bnx2x_free_mem_bp - release memories outsize main driver structure |
| 515 | * |
| 516 | * @bp: driver handle |
| 517 | */ |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 518 | void bnx2x_free_mem_bp(struct bnx2x *bp); |
| 519 | |
| 520 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 521 | * bnx2x_change_mtu - change mtu netdev callback |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 522 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 523 | * @dev: net device |
| 524 | * @new_mtu: requested mtu |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 525 | * |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 526 | */ |
| 527 | int bnx2x_change_mtu(struct net_device *dev, int new_mtu); |
| 528 | |
Dmitry Kravkov | 3857e3e | 2011-08-29 11:35:44 +0000 | [diff] [blame] | 529 | #if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC) |
Vladislav Zolotarov | bf61ee1 | 2011-07-21 07:56:51 +0000 | [diff] [blame] | 530 | /** |
| 531 | * bnx2x_fcoe_get_wwn - return the requested WWN value for this port |
| 532 | * |
| 533 | * @dev: net_device |
| 534 | * @wwn: output buffer |
| 535 | * @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port) |
| 536 | * |
| 537 | */ |
| 538 | int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type); |
| 539 | #endif |
Dmitry Kravkov | 621b4d6 | 2012-02-20 09:59:08 +0000 | [diff] [blame] | 540 | |
Michał Mirosław | c8f44af | 2011-11-15 15:29:55 +0000 | [diff] [blame] | 541 | netdev_features_t bnx2x_fix_features(struct net_device *dev, |
Dmitry Kravkov | 621b4d6 | 2012-02-20 09:59:08 +0000 | [diff] [blame] | 542 | netdev_features_t features); |
Michał Mirosław | c8f44af | 2011-11-15 15:29:55 +0000 | [diff] [blame] | 543 | int bnx2x_set_features(struct net_device *dev, netdev_features_t features); |
Michał Mirosław | 66371c4 | 2011-04-12 09:38:23 +0000 | [diff] [blame] | 544 | |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 545 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 546 | * bnx2x_tx_timeout - tx timeout netdev callback |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 547 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 548 | * @dev: net device |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 549 | */ |
| 550 | void bnx2x_tx_timeout(struct net_device *dev); |
| 551 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 552 | /*********************** Inlines **********************************/ |
| 553 | /*********************** Fast path ********************************/ |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 554 | static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) |
| 555 | { |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 556 | barrier(); /* status block is written to by the chip */ |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 557 | fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID]; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 558 | } |
| 559 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 560 | static inline void bnx2x_update_rx_prod_gen(struct bnx2x *bp, |
| 561 | struct bnx2x_fastpath *fp, u16 bd_prod, |
| 562 | u16 rx_comp_prod, u16 rx_sge_prod, u32 start) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 563 | { |
| 564 | struct ustorm_eth_rx_producers rx_prods = {0}; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 565 | u32 i; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 566 | |
| 567 | /* Update producers */ |
| 568 | rx_prods.bd_prod = bd_prod; |
| 569 | rx_prods.cqe_prod = rx_comp_prod; |
| 570 | rx_prods.sge_prod = rx_sge_prod; |
| 571 | |
| 572 | /* |
| 573 | * Make sure that the BD and SGE data is updated before updating the |
| 574 | * producers since FW might read the BD/SGE right after the producer |
| 575 | * is updated. |
| 576 | * This is only applicable for weak-ordered memory model archs such |
| 577 | * as IA-64. The following barrier is also mandatory since FW will |
| 578 | * assumes BDs must have buffers. |
| 579 | */ |
| 580 | wmb(); |
| 581 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 582 | for (i = 0; i < sizeof(rx_prods)/4; i++) |
| 583 | REG_WR(bp, start + i*4, ((u32 *)&rx_prods)[i]); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 584 | |
| 585 | mmiowb(); /* keep prod updates ordered */ |
| 586 | |
| 587 | DP(NETIF_MSG_RX_STATUS, |
| 588 | "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", |
| 589 | fp->index, bd_prod, rx_comp_prod, rx_sge_prod); |
| 590 | } |
| 591 | |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 592 | static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id, |
| 593 | u8 segment, u16 index, u8 op, |
| 594 | u8 update, u32 igu_addr) |
| 595 | { |
| 596 | struct igu_regular cmd_data = {0}; |
| 597 | |
| 598 | cmd_data.sb_id_and_flags = |
| 599 | ((index << IGU_REGULAR_SB_INDEX_SHIFT) | |
| 600 | (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | |
| 601 | (update << IGU_REGULAR_BUPDATE_SHIFT) | |
| 602 | (op << IGU_REGULAR_ENABLE_INT_SHIFT)); |
| 603 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 604 | DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 605 | cmd_data.sb_id_and_flags, igu_addr); |
| 606 | REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags); |
| 607 | |
| 608 | /* Make sure that ACK is written */ |
| 609 | mmiowb(); |
| 610 | barrier(); |
| 611 | } |
| 612 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 613 | static inline void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 614 | u8 idu_sb_id, bool is_Pf) |
| 615 | { |
| 616 | u32 data, ctl, cnt = 100; |
| 617 | u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA; |
| 618 | u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL; |
| 619 | u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4; |
| 620 | u32 sb_bit = 1 << (idu_sb_id%32); |
Joe Perches | 23677ce | 2012-02-09 11:17:23 +0000 | [diff] [blame] | 621 | u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT; |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 622 | u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id; |
| 623 | |
| 624 | /* Not supported in BC mode */ |
| 625 | if (CHIP_INT_MODE_IS_BC(bp)) |
| 626 | return; |
| 627 | |
| 628 | data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup |
| 629 | << IGU_REGULAR_CLEANUP_TYPE_SHIFT) | |
| 630 | IGU_REGULAR_CLEANUP_SET | |
| 631 | IGU_REGULAR_BCLEANUP; |
| 632 | |
| 633 | ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT | |
| 634 | func_encode << IGU_CTRL_REG_FID_SHIFT | |
| 635 | IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT; |
| 636 | |
| 637 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| 638 | data, igu_addr_data); |
| 639 | REG_WR(bp, igu_addr_data, data); |
| 640 | mmiowb(); |
| 641 | barrier(); |
| 642 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| 643 | ctl, igu_addr_ctl); |
| 644 | REG_WR(bp, igu_addr_ctl, ctl); |
| 645 | mmiowb(); |
| 646 | barrier(); |
| 647 | |
| 648 | /* wait for clean up to finish */ |
| 649 | while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt) |
| 650 | msleep(20); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 651 | |
| 652 | |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 653 | if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 654 | DP(NETIF_MSG_HW, |
| 655 | "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n", |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 656 | idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt); |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id, |
| 661 | u8 storm, u16 index, u8 op, u8 update) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 662 | { |
| 663 | u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + |
| 664 | COMMAND_REG_INT_ACK); |
| 665 | struct igu_ack_register igu_ack; |
| 666 | |
| 667 | igu_ack.status_block_index = index; |
| 668 | igu_ack.sb_id_and_flags = |
| 669 | ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | |
| 670 | (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | |
| 671 | (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | |
| 672 | (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); |
| 673 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 674 | REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); |
| 675 | |
| 676 | /* Make sure that ACK is written */ |
| 677 | mmiowb(); |
| 678 | barrier(); |
| 679 | } |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 680 | |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 681 | static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm, |
| 682 | u16 index, u8 op, u8 update) |
| 683 | { |
| 684 | if (bp->common.int_block == INT_BLOCK_HC) |
| 685 | bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update); |
| 686 | else { |
| 687 | u8 segment; |
| 688 | |
| 689 | if (CHIP_INT_MODE_IS_BC(bp)) |
| 690 | segment = storm; |
| 691 | else if (igu_sb_id != bp->igu_dsb_id) |
| 692 | segment = IGU_SEG_ACCESS_DEF; |
| 693 | else if (storm == ATTENTION_ID) |
| 694 | segment = IGU_SEG_ACCESS_ATTN; |
| 695 | else |
| 696 | segment = IGU_SEG_ACCESS_DEF; |
| 697 | bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update); |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 702 | { |
| 703 | u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + |
| 704 | COMMAND_REG_SIMD_MASK); |
| 705 | u32 result = REG_RD(bp, hc_addr); |
| 706 | |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 707 | barrier(); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 708 | return result; |
| 709 | } |
| 710 | |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 711 | static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp) |
| 712 | { |
| 713 | u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8); |
| 714 | u32 result = REG_RD(bp, igu_addr); |
| 715 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 716 | DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n", |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 717 | result, igu_addr); |
| 718 | |
| 719 | barrier(); |
| 720 | return result; |
| 721 | } |
| 722 | |
| 723 | static inline u16 bnx2x_ack_int(struct bnx2x *bp) |
| 724 | { |
| 725 | barrier(); |
| 726 | if (bp->common.int_block == INT_BLOCK_HC) |
| 727 | return bnx2x_hc_ack_int(bp); |
| 728 | else |
| 729 | return bnx2x_igu_ack_int(bp); |
| 730 | } |
| 731 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 732 | static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 733 | { |
| 734 | /* Tell compiler that consumer and producer can change */ |
| 735 | barrier(); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 736 | return txdata->tx_pkt_prod != txdata->tx_pkt_cons; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 737 | } |
| 738 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 739 | static inline u16 bnx2x_tx_avail(struct bnx2x *bp, |
| 740 | struct bnx2x_fp_txdata *txdata) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 741 | { |
| 742 | s16 used; |
| 743 | u16 prod; |
| 744 | u16 cons; |
| 745 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 746 | prod = txdata->tx_bd_prod; |
| 747 | cons = txdata->tx_bd_cons; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 748 | |
| 749 | /* NUM_TX_RINGS = number of "next-page" entries |
| 750 | It will be used as a threshold */ |
| 751 | used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS; |
| 752 | |
| 753 | #ifdef BNX2X_STOP_ON_ERROR |
| 754 | WARN_ON(used < 0); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 755 | WARN_ON(used > bp->tx_ring_size); |
| 756 | WARN_ON((bp->tx_ring_size - used) > MAX_TX_AVAIL); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 757 | #endif |
| 758 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 759 | return (s16)(bp->tx_ring_size) - used; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 760 | } |
| 761 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 762 | static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 763 | { |
| 764 | u16 hw_cons; |
| 765 | |
| 766 | /* Tell compiler that status block fields can change */ |
| 767 | barrier(); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 768 | hw_cons = le16_to_cpu(*txdata->tx_cons_sb); |
| 769 | return hw_cons != txdata->tx_pkt_cons; |
| 770 | } |
| 771 | |
| 772 | static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp) |
| 773 | { |
| 774 | u8 cos; |
| 775 | for_each_cos_in_tx_queue(fp, cos) |
| 776 | if (bnx2x_tx_queue_has_work(&fp->txdata[cos])) |
| 777 | return true; |
| 778 | return false; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 779 | } |
| 780 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 781 | static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) |
| 782 | { |
| 783 | u16 rx_cons_sb; |
| 784 | |
| 785 | /* Tell compiler that status block fields can change */ |
| 786 | barrier(); |
| 787 | rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); |
| 788 | if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) |
| 789 | rx_cons_sb++; |
| 790 | return (fp->rx_comp_cons != rx_cons_sb); |
| 791 | } |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 792 | |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 793 | /** |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 794 | * bnx2x_tx_disable - disables tx from stack point of view |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 795 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 796 | * @bp: driver handle |
Dmitry Kravkov | f2e0899 | 2010-10-06 03:28:26 +0000 | [diff] [blame] | 797 | */ |
| 798 | static inline void bnx2x_tx_disable(struct bnx2x *bp) |
| 799 | { |
| 800 | netif_tx_disable(bp->dev); |
| 801 | netif_carrier_off(bp->dev); |
| 802 | } |
| 803 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 804 | static inline void bnx2x_free_rx_sge(struct bnx2x *bp, |
| 805 | struct bnx2x_fastpath *fp, u16 index) |
| 806 | { |
| 807 | struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; |
| 808 | struct page *page = sw_buf->page; |
| 809 | struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; |
| 810 | |
| 811 | /* Skip "next page" elements */ |
| 812 | if (!page) |
| 813 | return; |
| 814 | |
| 815 | dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping), |
Dmitry Kravkov | 4bca60f | 2010-10-06 03:30:27 +0000 | [diff] [blame] | 816 | SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 817 | __free_pages(page, PAGES_PER_SGE_SHIFT); |
| 818 | |
| 819 | sw_buf->page = NULL; |
| 820 | sge->addr_hi = 0; |
| 821 | sge->addr_lo = 0; |
| 822 | } |
| 823 | |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 824 | static inline void bnx2x_add_all_napi(struct bnx2x *bp) |
| 825 | { |
| 826 | int i; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 827 | |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 828 | /* Add NAPI objects */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 829 | for_each_rx_queue(bp, i) |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 830 | netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), |
| 831 | bnx2x_poll, BNX2X_NAPI_WEIGHT); |
| 832 | } |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 833 | |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 834 | static inline void bnx2x_del_all_napi(struct bnx2x *bp) |
| 835 | { |
| 836 | int i; |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 837 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 838 | for_each_rx_queue(bp, i) |
Dmitry Kravkov | d6214d7 | 2010-10-06 03:32:10 +0000 | [diff] [blame] | 839 | netif_napi_del(&bnx2x_fp(bp, i, napi)); |
| 840 | } |
| 841 | |
| 842 | static inline void bnx2x_disable_msi(struct bnx2x *bp) |
| 843 | { |
| 844 | if (bp->flags & USING_MSIX_FLAG) { |
| 845 | pci_disable_msix(bp->pdev); |
| 846 | bp->flags &= ~USING_MSIX_FLAG; |
| 847 | } else if (bp->flags & USING_MSI_FLAG) { |
| 848 | pci_disable_msi(bp->pdev); |
| 849 | bp->flags &= ~USING_MSI_FLAG; |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | static inline int bnx2x_calc_num_queues(struct bnx2x *bp) |
| 854 | { |
| 855 | return num_queues ? |
| 856 | min_t(int, num_queues, BNX2X_MAX_QUEUES(bp)) : |
| 857 | min_t(int, num_online_cpus(), BNX2X_MAX_QUEUES(bp)); |
| 858 | } |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 859 | |
| 860 | static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp) |
| 861 | { |
| 862 | int i, j; |
| 863 | |
| 864 | for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { |
| 865 | int idx = RX_SGE_CNT * i - 1; |
| 866 | |
| 867 | for (j = 0; j < 2; j++) { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 868 | BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 869 | idx--; |
| 870 | } |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp) |
| 875 | { |
| 876 | /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */ |
Dmitry Kravkov | b363782 | 2011-11-13 04:34:27 +0000 | [diff] [blame] | 877 | memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask)); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 878 | |
| 879 | /* Clear the two last indices in the page to 1: |
| 880 | these are the indices that correspond to the "next" element, |
| 881 | hence will never be indicated and should be removed from |
| 882 | the calculations. */ |
| 883 | bnx2x_clear_sge_mask_next_elems(fp); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 884 | } |
| 885 | |
| 886 | static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp, |
| 887 | struct bnx2x_fastpath *fp, u16 index) |
| 888 | { |
| 889 | struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT); |
| 890 | struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; |
| 891 | struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; |
| 892 | dma_addr_t mapping; |
| 893 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 894 | if (unlikely(page == NULL)) { |
| 895 | BNX2X_ERR("Can't alloc sge\n"); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 896 | return -ENOMEM; |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 897 | } |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 898 | |
| 899 | mapping = dma_map_page(&bp->pdev->dev, page, 0, |
| 900 | SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE); |
| 901 | if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { |
| 902 | __free_pages(page, PAGES_PER_SGE_SHIFT); |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 903 | BNX2X_ERR("Can't map sge\n"); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 904 | return -ENOMEM; |
| 905 | } |
| 906 | |
| 907 | sw_buf->page = page; |
| 908 | dma_unmap_addr_set(sw_buf, mapping, mapping); |
| 909 | |
| 910 | sge->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| 911 | sge->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| 912 | |
| 913 | return 0; |
| 914 | } |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 915 | |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 916 | static inline int bnx2x_alloc_rx_data(struct bnx2x *bp, |
| 917 | struct bnx2x_fastpath *fp, u16 index) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 918 | { |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 919 | u8 *data; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 920 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; |
| 921 | struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; |
| 922 | dma_addr_t mapping; |
| 923 | |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 924 | data = kmalloc(fp->rx_buf_size + NET_SKB_PAD, GFP_ATOMIC); |
| 925 | if (unlikely(data == NULL)) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 926 | return -ENOMEM; |
| 927 | |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 928 | mapping = dma_map_single(&bp->pdev->dev, data + NET_SKB_PAD, |
| 929 | fp->rx_buf_size, |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 930 | DMA_FROM_DEVICE); |
| 931 | if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 932 | kfree(data); |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 933 | BNX2X_ERR("Can't map rx data\n"); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 934 | return -ENOMEM; |
| 935 | } |
| 936 | |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 937 | rx_buf->data = data; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 938 | dma_unmap_addr_set(rx_buf, mapping, mapping); |
| 939 | |
| 940 | rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); |
| 941 | rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); |
| 942 | |
| 943 | return 0; |
| 944 | } |
| 945 | |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 946 | /* note that we are not allocating a new buffer, |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 947 | * we are just moving one from cons to prod |
| 948 | * we are not creating a new mapping, |
| 949 | * so there is no need to check for dma_mapping_error(). |
| 950 | */ |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 951 | static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp, |
Dmitry Kravkov | 749a850 | 2010-10-06 03:29:05 +0000 | [diff] [blame] | 952 | u16 cons, u16 prod) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 953 | { |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 954 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; |
| 955 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; |
| 956 | struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; |
| 957 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; |
| 958 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 959 | dma_unmap_addr_set(prod_rx_buf, mapping, |
| 960 | dma_unmap_addr(cons_rx_buf, mapping)); |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 961 | prod_rx_buf->data = cons_rx_buf->data; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 962 | *prod_bd = *cons_bd; |
| 963 | } |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 964 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 965 | /************************* Init ******************************************/ |
| 966 | |
| 967 | /** |
| 968 | * bnx2x_func_start - init function |
| 969 | * |
| 970 | * @bp: driver handle |
| 971 | * |
| 972 | * Must be called before sending CLIENT_SETUP for the first client. |
| 973 | */ |
| 974 | static inline int bnx2x_func_start(struct bnx2x *bp) |
| 975 | { |
Yuval Mintz | 3b60306 | 2012-03-18 10:33:39 +0000 | [diff] [blame] | 976 | struct bnx2x_func_state_params func_params = {NULL}; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 977 | struct bnx2x_func_start_params *start_params = |
| 978 | &func_params.params.start; |
| 979 | |
| 980 | /* Prepare parameters for function state transitions */ |
| 981 | __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); |
| 982 | |
| 983 | func_params.f_obj = &bp->func_obj; |
| 984 | func_params.cmd = BNX2X_F_CMD_START; |
| 985 | |
| 986 | /* Function parameters */ |
| 987 | start_params->mf_mode = bp->mf_mode; |
| 988 | start_params->sd_vlan_tag = bp->mf_ov; |
Ariel Elior | 8d7b027 | 2012-01-26 06:01:45 +0000 | [diff] [blame] | 989 | |
| 990 | if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 991 | start_params->network_cos_mode = STATIC_COS; |
Ariel Elior | 8d7b027 | 2012-01-26 06:01:45 +0000 | [diff] [blame] | 992 | else /* CHIP_IS_E1X */ |
| 993 | start_params->network_cos_mode = FW_WRR; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 994 | |
| 995 | return bnx2x_func_state_change(bp, &func_params); |
| 996 | } |
| 997 | |
| 998 | |
| 999 | /** |
| 1000 | * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format |
| 1001 | * |
| 1002 | * @fw_hi: pointer to upper part |
| 1003 | * @fw_mid: pointer to middle part |
| 1004 | * @fw_lo: pointer to lower part |
| 1005 | * @mac: pointer to MAC address |
| 1006 | */ |
| 1007 | static inline void bnx2x_set_fw_mac_addr(u16 *fw_hi, u16 *fw_mid, u16 *fw_lo, |
| 1008 | u8 *mac) |
| 1009 | { |
| 1010 | ((u8 *)fw_hi)[0] = mac[1]; |
| 1011 | ((u8 *)fw_hi)[1] = mac[0]; |
| 1012 | ((u8 *)fw_mid)[0] = mac[3]; |
| 1013 | ((u8 *)fw_mid)[1] = mac[2]; |
| 1014 | ((u8 *)fw_lo)[0] = mac[5]; |
| 1015 | ((u8 *)fw_lo)[1] = mac[4]; |
| 1016 | } |
| 1017 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1018 | static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, |
| 1019 | struct bnx2x_fastpath *fp, int last) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1020 | { |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1021 | int i; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1022 | |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1023 | if (fp->disable_tpa) |
| 1024 | return; |
| 1025 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1026 | for (i = 0; i < last; i++) |
| 1027 | bnx2x_free_rx_sge(bp, fp, i); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1028 | } |
| 1029 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1030 | static inline void bnx2x_free_tpa_pool(struct bnx2x *bp, |
| 1031 | struct bnx2x_fastpath *fp, int last) |
| 1032 | { |
| 1033 | int i; |
| 1034 | |
| 1035 | for (i = 0; i < last; i++) { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1036 | struct bnx2x_agg_info *tpa_info = &fp->tpa_info[i]; |
| 1037 | struct sw_rx_bd *first_buf = &tpa_info->first_buf; |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 1038 | u8 *data = first_buf->data; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1039 | |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 1040 | if (data == NULL) { |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1041 | DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i); |
| 1042 | continue; |
| 1043 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1044 | if (tpa_info->tpa_state == BNX2X_TPA_START) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1045 | dma_unmap_single(&bp->pdev->dev, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1046 | dma_unmap_addr(first_buf, mapping), |
Vladislav Zolotarov | a8c94b9 | 2011-02-06 11:21:02 -0800 | [diff] [blame] | 1047 | fp->rx_buf_size, DMA_FROM_DEVICE); |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 1048 | kfree(data); |
| 1049 | first_buf->data = NULL; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1050 | } |
| 1051 | } |
| 1052 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1053 | static inline void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata) |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1054 | { |
| 1055 | int i; |
| 1056 | |
| 1057 | for (i = 1; i <= NUM_TX_RINGS; i++) { |
| 1058 | struct eth_tx_next_bd *tx_next_bd = |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1059 | &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd; |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1060 | |
| 1061 | tx_next_bd->addr_hi = |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1062 | cpu_to_le32(U64_HI(txdata->tx_desc_mapping + |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1063 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); |
| 1064 | tx_next_bd->addr_lo = |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1065 | cpu_to_le32(U64_LO(txdata->tx_desc_mapping + |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1066 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); |
| 1067 | } |
| 1068 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1069 | SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1); |
| 1070 | txdata->tx_db.data.zero_fill1 = 0; |
| 1071 | txdata->tx_db.data.prod = 0; |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1072 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1073 | txdata->tx_pkt_prod = 0; |
| 1074 | txdata->tx_pkt_cons = 0; |
| 1075 | txdata->tx_bd_prod = 0; |
| 1076 | txdata->tx_bd_cons = 0; |
| 1077 | txdata->tx_pkt = 0; |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1078 | } |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1079 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1080 | static inline void bnx2x_init_tx_rings(struct bnx2x *bp) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1081 | { |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1082 | int i; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1083 | u8 cos; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1084 | |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1085 | for_each_tx_queue(bp, i) |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1086 | for_each_cos_in_tx_queue(&bp->fp[i], cos) |
| 1087 | bnx2x_init_tx_ring_one(&bp->fp[i].txdata[cos]); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1088 | } |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 1089 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1090 | static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp) |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1091 | { |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1092 | int i; |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1093 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1094 | for (i = 1; i <= NUM_RX_RINGS; i++) { |
| 1095 | struct eth_rx_bd *rx_bd; |
| 1096 | |
| 1097 | rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; |
| 1098 | rx_bd->addr_hi = |
| 1099 | cpu_to_le32(U64_HI(fp->rx_desc_mapping + |
| 1100 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); |
| 1101 | rx_bd->addr_lo = |
| 1102 | cpu_to_le32(U64_LO(fp->rx_desc_mapping + |
| 1103 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); |
| 1104 | } |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1105 | } |
| 1106 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1107 | static inline void bnx2x_set_next_page_sgl(struct bnx2x_fastpath *fp) |
| 1108 | { |
| 1109 | int i; |
| 1110 | |
| 1111 | for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { |
| 1112 | struct eth_rx_sge *sge; |
| 1113 | |
| 1114 | sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2]; |
| 1115 | sge->addr_hi = |
| 1116 | cpu_to_le32(U64_HI(fp->rx_sge_mapping + |
| 1117 | BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); |
| 1118 | |
| 1119 | sge->addr_lo = |
| 1120 | cpu_to_le32(U64_LO(fp->rx_sge_mapping + |
| 1121 | BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | static inline void bnx2x_set_next_page_rx_cq(struct bnx2x_fastpath *fp) |
| 1126 | { |
| 1127 | int i; |
| 1128 | for (i = 1; i <= NUM_RCQ_RINGS; i++) { |
| 1129 | struct eth_rx_cqe_next_page *nextpg; |
| 1130 | |
| 1131 | nextpg = (struct eth_rx_cqe_next_page *) |
| 1132 | &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; |
| 1133 | nextpg->addr_hi = |
| 1134 | cpu_to_le32(U64_HI(fp->rx_comp_mapping + |
| 1135 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); |
| 1136 | nextpg->addr_lo = |
| 1137 | cpu_to_le32(U64_LO(fp->rx_comp_mapping + |
| 1138 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); |
| 1139 | } |
| 1140 | } |
| 1141 | |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1142 | /* Returns the number of actually allocated BDs */ |
| 1143 | static inline int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp, |
| 1144 | int rx_ring_size) |
| 1145 | { |
| 1146 | struct bnx2x *bp = fp->bp; |
| 1147 | u16 ring_prod, cqe_ring_prod; |
Dmitry Kravkov | f124488 | 2012-03-12 08:53:14 +0000 | [diff] [blame] | 1148 | int i, failure_cnt = 0; |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1149 | |
| 1150 | fp->rx_comp_cons = 0; |
| 1151 | cqe_ring_prod = ring_prod = 0; |
| 1152 | |
| 1153 | /* This routine is called only during fo init so |
| 1154 | * fp->eth_q_stats.rx_skb_alloc_failed = 0 |
| 1155 | */ |
| 1156 | for (i = 0; i < rx_ring_size; i++) { |
Eric Dumazet | e52fcb2 | 2011-11-14 06:05:34 +0000 | [diff] [blame] | 1157 | if (bnx2x_alloc_rx_data(bp, fp, ring_prod) < 0) { |
Dmitry Kravkov | f124488 | 2012-03-12 08:53:14 +0000 | [diff] [blame] | 1158 | failure_cnt++; |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1159 | continue; |
| 1160 | } |
| 1161 | ring_prod = NEXT_RX_IDX(ring_prod); |
| 1162 | cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod); |
Dmitry Kravkov | f124488 | 2012-03-12 08:53:14 +0000 | [diff] [blame] | 1163 | WARN_ON(ring_prod <= (i - failure_cnt)); |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1164 | } |
| 1165 | |
Dmitry Kravkov | f124488 | 2012-03-12 08:53:14 +0000 | [diff] [blame] | 1166 | if (failure_cnt) |
| 1167 | BNX2X_ERR("was only able to allocate %d rx skbs on queue[%d]\n", |
| 1168 | i - failure_cnt, fp->index); |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1169 | |
| 1170 | fp->rx_bd_prod = ring_prod; |
| 1171 | /* Limit the CQE producer by the CQE ring size */ |
| 1172 | fp->rx_comp_prod = min_t(u16, NUM_RCQ_RINGS*RCQ_DESC_CNT, |
| 1173 | cqe_ring_prod); |
| 1174 | fp->rx_pkt = fp->rx_calls = 0; |
| 1175 | |
Dmitry Kravkov | f124488 | 2012-03-12 08:53:14 +0000 | [diff] [blame] | 1176 | fp->eth_q_stats.rx_skb_alloc_failed += failure_cnt; |
| 1177 | |
| 1178 | return i - failure_cnt; |
Dmitry Kravkov | b3b83c3 | 2011-05-04 23:50:33 +0000 | [diff] [blame] | 1179 | } |
| 1180 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1181 | /* Statistics ID are global per chip/path, while Client IDs for E1x are per |
| 1182 | * port. |
| 1183 | */ |
| 1184 | static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp) |
| 1185 | { |
Yuval Mintz | de5c374 | 2012-03-12 11:22:07 +0000 | [diff] [blame] | 1186 | struct bnx2x *bp = fp->bp; |
| 1187 | if (!CHIP_IS_E1x(bp)) { |
| 1188 | #ifdef BCM_CNIC |
| 1189 | /* there are special statistics counters for FCoE 136..140 */ |
| 1190 | if (IS_FCOE_FP(fp)) |
| 1191 | return bp->cnic_base_cl_id + (bp->pf_num >> 1); |
| 1192 | #endif |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1193 | return fp->cl_id; |
Yuval Mintz | de5c374 | 2012-03-12 11:22:07 +0000 | [diff] [blame] | 1194 | } |
| 1195 | return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1196 | } |
| 1197 | |
| 1198 | static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp, |
| 1199 | bnx2x_obj_type obj_type) |
| 1200 | { |
| 1201 | struct bnx2x *bp = fp->bp; |
| 1202 | |
| 1203 | /* Configure classification DBs */ |
| 1204 | bnx2x_init_mac_obj(bp, &fp->mac_obj, fp->cl_id, fp->cid, |
| 1205 | BP_FUNC(bp), bnx2x_sp(bp, mac_rdata), |
| 1206 | bnx2x_sp_mapping(bp, mac_rdata), |
| 1207 | BNX2X_FILTER_MAC_PENDING, |
| 1208 | &bp->sp_state, obj_type, |
| 1209 | &bp->macs_pool); |
| 1210 | } |
| 1211 | |
| 1212 | /** |
| 1213 | * bnx2x_get_path_func_num - get number of active functions |
| 1214 | * |
| 1215 | * @bp: driver handle |
| 1216 | * |
| 1217 | * Calculates the number of active (not hidden) functions on the |
| 1218 | * current path. |
| 1219 | */ |
| 1220 | static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) |
| 1221 | { |
| 1222 | u8 func_num = 0, i; |
| 1223 | |
| 1224 | /* 57710 has only one function per-port */ |
| 1225 | if (CHIP_IS_E1(bp)) |
| 1226 | return 1; |
| 1227 | |
| 1228 | /* Calculate a number of functions enabled on the current |
| 1229 | * PATH/PORT. |
| 1230 | */ |
| 1231 | if (CHIP_REV_IS_SLOW(bp)) { |
| 1232 | if (IS_MF(bp)) |
| 1233 | func_num = 4; |
| 1234 | else |
| 1235 | func_num = 2; |
| 1236 | } else { |
| 1237 | for (i = 0; i < E1H_FUNC_MAX / 2; i++) { |
| 1238 | u32 func_config = |
| 1239 | MF_CFG_RD(bp, |
| 1240 | func_mf_config[BP_PORT(bp) + 2 * i]. |
| 1241 | config); |
| 1242 | func_num += |
| 1243 | ((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1); |
| 1244 | } |
| 1245 | } |
| 1246 | |
| 1247 | WARN_ON(!func_num); |
| 1248 | |
| 1249 | return func_num; |
| 1250 | } |
| 1251 | |
| 1252 | static inline void bnx2x_init_bp_objs(struct bnx2x *bp) |
| 1253 | { |
| 1254 | /* RX_MODE controlling object */ |
| 1255 | bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj); |
| 1256 | |
| 1257 | /* multicast configuration controlling object */ |
| 1258 | bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid, |
| 1259 | BP_FUNC(bp), BP_FUNC(bp), |
| 1260 | bnx2x_sp(bp, mcast_rdata), |
| 1261 | bnx2x_sp_mapping(bp, mcast_rdata), |
| 1262 | BNX2X_FILTER_MCAST_PENDING, &bp->sp_state, |
| 1263 | BNX2X_OBJ_TYPE_RX); |
| 1264 | |
| 1265 | /* Setup CAM credit pools */ |
| 1266 | bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp), |
| 1267 | bnx2x_get_path_func_num(bp)); |
| 1268 | |
| 1269 | /* RSS configuration object */ |
| 1270 | bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id, |
| 1271 | bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp), |
| 1272 | bnx2x_sp(bp, rss_rdata), |
| 1273 | bnx2x_sp_mapping(bp, rss_rdata), |
| 1274 | BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state, |
| 1275 | BNX2X_OBJ_TYPE_RX); |
| 1276 | } |
| 1277 | |
| 1278 | static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp) |
| 1279 | { |
| 1280 | if (CHIP_IS_E1x(fp->bp)) |
| 1281 | return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H; |
| 1282 | else |
| 1283 | return fp->cl_id; |
| 1284 | } |
| 1285 | |
| 1286 | static inline u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp) |
| 1287 | { |
| 1288 | struct bnx2x *bp = fp->bp; |
| 1289 | |
| 1290 | if (!CHIP_IS_E1x(bp)) |
| 1291 | return USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id); |
| 1292 | else |
| 1293 | return USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id); |
| 1294 | } |
| 1295 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1296 | static inline void bnx2x_init_txdata(struct bnx2x *bp, |
| 1297 | struct bnx2x_fp_txdata *txdata, u32 cid, int txq_index, |
| 1298 | __le16 *tx_cons_sb) |
| 1299 | { |
| 1300 | txdata->cid = cid; |
| 1301 | txdata->txq_index = txq_index; |
| 1302 | txdata->tx_cons_sb = tx_cons_sb; |
| 1303 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1304 | DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n", |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1305 | txdata->cid, txdata->txq_index); |
| 1306 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1307 | |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1308 | #ifdef BCM_CNIC |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1309 | static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx) |
| 1310 | { |
| 1311 | return bp->cnic_base_cl_id + cl_idx + |
David S. Miller | 1805b2f | 2011-10-24 18:18:09 -0400 | [diff] [blame] | 1312 | (bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1313 | } |
| 1314 | |
| 1315 | static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp) |
| 1316 | { |
| 1317 | |
| 1318 | /* the 'first' id is allocated for the cnic */ |
| 1319 | return bp->base_fw_ndsb; |
| 1320 | } |
| 1321 | |
| 1322 | static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp) |
| 1323 | { |
| 1324 | return bp->igu_base_sb; |
| 1325 | } |
| 1326 | |
| 1327 | |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1328 | static inline void bnx2x_init_fcoe_fp(struct bnx2x *bp) |
| 1329 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1330 | struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp); |
| 1331 | unsigned long q_type = 0; |
| 1332 | |
Dmitry Kravkov | f233caf | 2011-11-13 04:34:22 +0000 | [diff] [blame] | 1333 | bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1334 | bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp, |
| 1335 | BNX2X_FCOE_ETH_CL_ID_IDX); |
| 1336 | /** Current BNX2X_FCOE_ETH_CID deffinition implies not more than |
| 1337 | * 16 ETH clients per function when CNIC is enabled! |
| 1338 | * |
| 1339 | * Fix it ASAP!!! |
| 1340 | */ |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1341 | bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID; |
| 1342 | bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID; |
| 1343 | bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id; |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1344 | bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1345 | |
| 1346 | bnx2x_init_txdata(bp, &bnx2x_fcoe(bp, txdata[0]), |
| 1347 | fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX); |
| 1348 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1349 | DP(NETIF_MSG_IFUP, "created fcoe tx data (fp index %d)\n", fp->index); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1350 | |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1351 | /* qZone id equals to FW (per path) client id */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1352 | bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp); |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1353 | /* init shortcut */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1354 | bnx2x_fcoe(bp, ustorm_rx_prods_offset) = |
| 1355 | bnx2x_rx_ustorm_prods_offset(fp); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1356 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1357 | /* Configure Queue State object */ |
| 1358 | __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); |
| 1359 | __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1360 | |
| 1361 | /* No multi-CoS for FCoE L2 client */ |
| 1362 | BUG_ON(fp->max_cos != 1); |
| 1363 | |
| 1364 | bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, &fp->cid, 1, |
| 1365 | BP_FUNC(bp), bnx2x_sp(bp, q_rdata), |
| 1366 | bnx2x_sp_mapping(bp, q_rdata), q_type); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1367 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1368 | DP(NETIF_MSG_IFUP, |
| 1369 | "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n", |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1370 | fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id, |
| 1371 | fp->igu_sb_id); |
Vladislav Zolotarov | ec6ba94 | 2010-12-13 05:44:01 +0000 | [diff] [blame] | 1372 | } |
| 1373 | #endif |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1374 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1375 | static inline int bnx2x_clean_tx_queue(struct bnx2x *bp, |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1376 | struct bnx2x_fp_txdata *txdata) |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1377 | { |
| 1378 | int cnt = 1000; |
| 1379 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1380 | while (bnx2x_has_tx_work_unload(txdata)) { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1381 | if (!cnt) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1382 | BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n", |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 1383 | txdata->txq_index, txdata->tx_pkt_prod, |
| 1384 | txdata->tx_pkt_cons); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1385 | #ifdef BNX2X_STOP_ON_ERROR |
| 1386 | bnx2x_panic(); |
| 1387 | return -EBUSY; |
| 1388 | #else |
| 1389 | break; |
| 1390 | #endif |
| 1391 | } |
| 1392 | cnt--; |
| 1393 | usleep_range(1000, 1000); |
| 1394 | } |
| 1395 | |
| 1396 | return 0; |
| 1397 | } |
| 1398 | |
Yaniv Rosner | 1ac9e42 | 2011-05-31 21:26:11 +0000 | [diff] [blame] | 1399 | int bnx2x_get_link_cfg_idx(struct bnx2x *bp); |
| 1400 | |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1401 | static inline void __storm_memset_struct(struct bnx2x *bp, |
| 1402 | u32 addr, size_t size, u32 *data) |
| 1403 | { |
| 1404 | int i; |
| 1405 | for (i = 0; i < size/4; i++) |
| 1406 | REG_WR(bp, addr + (i * 4), data[i]); |
| 1407 | } |
| 1408 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1409 | static inline void storm_memset_func_cfg(struct bnx2x *bp, |
| 1410 | struct tstorm_eth_function_common_config *tcfg, |
| 1411 | u16 abs_fid) |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1412 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1413 | size_t size = sizeof(struct tstorm_eth_function_common_config); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1414 | |
| 1415 | u32 addr = BAR_TSTRORM_INTMEM + |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1416 | TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1417 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1418 | __storm_memset_struct(bp, addr, size, (u32 *)tcfg); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | static inline void storm_memset_cmng(struct bnx2x *bp, |
| 1422 | struct cmng_struct_per_port *cmng, |
| 1423 | u8 port) |
| 1424 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1425 | size_t size = sizeof(struct cmng_struct_per_port); |
Dmitry Kravkov | 523224a | 2010-10-06 03:23:26 +0000 | [diff] [blame] | 1426 | |
| 1427 | u32 addr = BAR_XSTRORM_INTMEM + |
| 1428 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(port); |
| 1429 | |
| 1430 | __storm_memset_struct(bp, addr, size, (u32 *)cmng); |
| 1431 | } |
Dmitry Kravkov | f85582f | 2010-10-06 03:34:21 +0000 | [diff] [blame] | 1432 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1433 | /** |
| 1434 | * bnx2x_wait_sp_comp - wait for the outstanding SP commands. |
| 1435 | * |
| 1436 | * @bp: driver handle |
| 1437 | * @mask: bits that need to be cleared |
| 1438 | */ |
| 1439 | static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask) |
| 1440 | { |
| 1441 | int tout = 5000; /* Wait for 5 secs tops */ |
| 1442 | |
| 1443 | while (tout--) { |
| 1444 | smp_mb(); |
| 1445 | netif_addr_lock_bh(bp->dev); |
| 1446 | if (!(bp->sp_state & mask)) { |
| 1447 | netif_addr_unlock_bh(bp->dev); |
| 1448 | return true; |
| 1449 | } |
| 1450 | netif_addr_unlock_bh(bp->dev); |
| 1451 | |
| 1452 | usleep_range(1000, 1000); |
| 1453 | } |
| 1454 | |
| 1455 | smp_mb(); |
| 1456 | |
| 1457 | netif_addr_lock_bh(bp->dev); |
| 1458 | if (bp->sp_state & mask) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1459 | BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n", |
| 1460 | bp->sp_state, mask); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1461 | netif_addr_unlock_bh(bp->dev); |
| 1462 | return false; |
| 1463 | } |
| 1464 | netif_addr_unlock_bh(bp->dev); |
| 1465 | |
| 1466 | return true; |
| 1467 | } |
| 1468 | |
| 1469 | /** |
| 1470 | * bnx2x_set_ctx_validation - set CDU context validation values |
| 1471 | * |
| 1472 | * @bp: driver handle |
| 1473 | * @cxt: context of the connection on the host memory |
| 1474 | * @cid: SW CID of the connection to be configured |
| 1475 | */ |
| 1476 | void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt, |
| 1477 | u32 cid); |
| 1478 | |
| 1479 | void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id, |
| 1480 | u8 sb_index, u8 disable, u16 usec); |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1481 | void bnx2x_acquire_phy_lock(struct bnx2x *bp); |
| 1482 | void bnx2x_release_phy_lock(struct bnx2x *bp); |
| 1483 | |
Dmitry Kravkov | faa6fcb | 2011-02-28 03:37:20 +0000 | [diff] [blame] | 1484 | /** |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 1485 | * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration. |
Dmitry Kravkov | faa6fcb | 2011-02-28 03:37:20 +0000 | [diff] [blame] | 1486 | * |
Dmitry Kravkov | e892067 | 2011-05-04 23:52:40 +0000 | [diff] [blame] | 1487 | * @bp: driver handle |
| 1488 | * @mf_cfg: MF configuration |
Dmitry Kravkov | faa6fcb | 2011-02-28 03:37:20 +0000 | [diff] [blame] | 1489 | * |
Dmitry Kravkov | faa6fcb | 2011-02-28 03:37:20 +0000 | [diff] [blame] | 1490 | */ |
| 1491 | static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg) |
| 1492 | { |
| 1493 | u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> |
| 1494 | FUNC_MF_CFG_MAX_BW_SHIFT; |
| 1495 | if (!max_cfg) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1496 | DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL, |
Michal Schmidt | 96b0acc | 2011-08-18 21:51:01 -0700 | [diff] [blame] | 1497 | "Max BW configured to 0 - using 100 instead\n"); |
Dmitry Kravkov | faa6fcb | 2011-02-28 03:37:20 +0000 | [diff] [blame] | 1498 | max_cfg = 100; |
| 1499 | } |
| 1500 | return max_cfg; |
| 1501 | } |
| 1502 | |
Dmitry Kravkov | 621b4d6 | 2012-02-20 09:59:08 +0000 | [diff] [blame] | 1503 | /* checks if HW supports GRO for given MTU */ |
| 1504 | static inline bool bnx2x_mtu_allows_gro(int mtu) |
| 1505 | { |
| 1506 | /* gro frags per page */ |
| 1507 | int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE); |
| 1508 | |
| 1509 | /* |
| 1510 | * 1. number of frags should not grow above MAX_SKB_FRAGS |
| 1511 | * 2. frag must fit the page |
| 1512 | */ |
| 1513 | return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS; |
| 1514 | } |
Dmitry Kravkov | fe603b4 | 2012-02-20 09:59:11 +0000 | [diff] [blame] | 1515 | |
| 1516 | static inline bool bnx2x_need_gro_check(int mtu) |
| 1517 | { |
| 1518 | return (SGE_PAGES / (mtu - ETH_MAX_TPA_HEADER_SIZE - 1)) != |
| 1519 | (SGE_PAGES / (mtu - ETH_MIN_TPA_HEADER_SIZE + 1)); |
| 1520 | } |
| 1521 | |
Dmitry Kravkov | b306f5e | 2011-11-13 04:34:24 +0000 | [diff] [blame] | 1522 | /** |
Mintz Yuval | 1355b70 | 2012-02-15 02:10:22 +0000 | [diff] [blame] | 1523 | * bnx2x_bz_fp - zero content of the fastpath structure. |
| 1524 | * |
| 1525 | * @bp: driver handle |
| 1526 | * @index: fastpath index to be zeroed |
| 1527 | * |
| 1528 | * Makes sure the contents of the bp->fp[index].napi is kept |
| 1529 | * intact. |
| 1530 | */ |
| 1531 | static inline void bnx2x_bz_fp(struct bnx2x *bp, int index) |
| 1532 | { |
| 1533 | struct bnx2x_fastpath *fp = &bp->fp[index]; |
| 1534 | struct napi_struct orig_napi = fp->napi; |
| 1535 | /* bzero bnx2x_fastpath contents */ |
| 1536 | if (bp->stats_init) |
| 1537 | memset(fp, 0, sizeof(*fp)); |
| 1538 | else { |
| 1539 | /* Keep Queue statistics */ |
| 1540 | struct bnx2x_eth_q_stats *tmp_eth_q_stats; |
| 1541 | struct bnx2x_eth_q_stats_old *tmp_eth_q_stats_old; |
| 1542 | |
| 1543 | tmp_eth_q_stats = kzalloc(sizeof(struct bnx2x_eth_q_stats), |
| 1544 | GFP_KERNEL); |
| 1545 | if (tmp_eth_q_stats) |
| 1546 | memcpy(tmp_eth_q_stats, &fp->eth_q_stats, |
| 1547 | sizeof(struct bnx2x_eth_q_stats)); |
| 1548 | |
| 1549 | tmp_eth_q_stats_old = |
| 1550 | kzalloc(sizeof(struct bnx2x_eth_q_stats_old), |
| 1551 | GFP_KERNEL); |
| 1552 | if (tmp_eth_q_stats_old) |
| 1553 | memcpy(tmp_eth_q_stats_old, &fp->eth_q_stats_old, |
| 1554 | sizeof(struct bnx2x_eth_q_stats_old)); |
| 1555 | |
| 1556 | memset(fp, 0, sizeof(*fp)); |
| 1557 | |
| 1558 | if (tmp_eth_q_stats) { |
| 1559 | memcpy(&fp->eth_q_stats, tmp_eth_q_stats, |
| 1560 | sizeof(struct bnx2x_eth_q_stats)); |
| 1561 | kfree(tmp_eth_q_stats); |
| 1562 | } |
| 1563 | |
| 1564 | if (tmp_eth_q_stats_old) { |
| 1565 | memcpy(&fp->eth_q_stats_old, tmp_eth_q_stats_old, |
| 1566 | sizeof(struct bnx2x_eth_q_stats_old)); |
| 1567 | kfree(tmp_eth_q_stats_old); |
| 1568 | } |
| 1569 | |
| 1570 | } |
| 1571 | |
| 1572 | /* Restore the NAPI object as it has been already initialized */ |
| 1573 | fp->napi = orig_napi; |
| 1574 | |
| 1575 | fp->bp = bp; |
| 1576 | fp->index = index; |
| 1577 | if (IS_ETH_FP(fp)) |
| 1578 | fp->max_cos = bp->max_cos; |
| 1579 | else |
| 1580 | /* Special queues support only one CoS */ |
| 1581 | fp->max_cos = 1; |
| 1582 | |
| 1583 | /* |
| 1584 | * set the tpa flag for each queue. The tpa flag determines the queue |
| 1585 | * minimal size so it must be set prior to queue memory allocation |
| 1586 | */ |
Dmitry Kravkov | 621b4d6 | 2012-02-20 09:59:08 +0000 | [diff] [blame] | 1587 | fp->disable_tpa = !(bp->flags & TPA_ENABLE_FLAG || |
| 1588 | (bp->flags & GRO_ENABLE_FLAG && |
| 1589 | bnx2x_mtu_allows_gro(bp->dev->mtu))); |
| 1590 | if (bp->flags & TPA_ENABLE_FLAG) |
| 1591 | fp->mode = TPA_MODE_LRO; |
| 1592 | else if (bp->flags & GRO_ENABLE_FLAG) |
| 1593 | fp->mode = TPA_MODE_GRO; |
| 1594 | |
Mintz Yuval | 1355b70 | 2012-02-15 02:10:22 +0000 | [diff] [blame] | 1595 | #ifdef BCM_CNIC |
| 1596 | /* We don't want TPA on an FCoE L2 ring */ |
| 1597 | if (IS_FCOE_FP(fp)) |
| 1598 | fp->disable_tpa = 1; |
| 1599 | #endif |
| 1600 | } |
| 1601 | |
Yuval Mintz | 3b60306 | 2012-03-18 10:33:39 +0000 | [diff] [blame] | 1602 | #ifdef BCM_CNIC |
Mintz Yuval | 1355b70 | 2012-02-15 02:10:22 +0000 | [diff] [blame] | 1603 | /** |
Dmitry Kravkov | b306f5e | 2011-11-13 04:34:24 +0000 | [diff] [blame] | 1604 | * bnx2x_get_iscsi_info - update iSCSI params according to licensing info. |
| 1605 | * |
| 1606 | * @bp: driver handle |
| 1607 | * |
| 1608 | */ |
| 1609 | void bnx2x_get_iscsi_info(struct bnx2x *bp); |
Yuval Mintz | 3b60306 | 2012-03-18 10:33:39 +0000 | [diff] [blame] | 1610 | #endif |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 1611 | /* returns func by VN for current port */ |
| 1612 | static inline int func_by_vn(struct bnx2x *bp, int vn) |
| 1613 | { |
| 1614 | return 2 * vn + BP_PORT(bp); |
| 1615 | } |
| 1616 | |
| 1617 | /** |
| 1618 | * bnx2x_link_sync_notify - send notification to other functions. |
| 1619 | * |
| 1620 | * @bp: driver handle |
| 1621 | * |
| 1622 | */ |
| 1623 | static inline void bnx2x_link_sync_notify(struct bnx2x *bp) |
| 1624 | { |
| 1625 | int func; |
| 1626 | int vn; |
| 1627 | |
| 1628 | /* Set the attention towards other drivers on the same port */ |
| 1629 | for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { |
| 1630 | if (vn == BP_VN(bp)) |
| 1631 | continue; |
| 1632 | |
| 1633 | func = func_by_vn(bp, vn); |
| 1634 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + |
| 1635 | (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); |
| 1636 | } |
| 1637 | } |
| 1638 | |
| 1639 | /** |
| 1640 | * bnx2x_update_drv_flags - update flags in shmem |
| 1641 | * |
| 1642 | * @bp: driver handle |
| 1643 | * @flags: flags to update |
| 1644 | * @set: set or clear |
| 1645 | * |
| 1646 | */ |
| 1647 | static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set) |
| 1648 | { |
| 1649 | if (SHMEM2_HAS(bp, drv_flags)) { |
| 1650 | u32 drv_flags; |
Ariel Elior | f16da43 | 2012-01-26 06:01:50 +0000 | [diff] [blame] | 1651 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS); |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 1652 | drv_flags = SHMEM2_RD(bp, drv_flags); |
| 1653 | |
| 1654 | if (set) |
| 1655 | SET_FLAGS(drv_flags, flags); |
| 1656 | else |
| 1657 | RESET_FLAGS(drv_flags, flags); |
| 1658 | |
| 1659 | SHMEM2_WR(bp, drv_flags, drv_flags); |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1660 | DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags); |
Ariel Elior | f16da43 | 2012-01-26 06:01:50 +0000 | [diff] [blame] | 1661 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS); |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 1662 | } |
| 1663 | } |
| 1664 | |
Dmitry Kravkov | 614c76d | 2011-11-28 12:31:49 +0000 | [diff] [blame] | 1665 | static inline bool bnx2x_is_valid_ether_addr(struct bnx2x *bp, u8 *addr) |
| 1666 | { |
| 1667 | if (is_valid_ether_addr(addr)) |
| 1668 | return true; |
| 1669 | #ifdef BCM_CNIC |
Dmitry Kravkov | 9e62e91 | 2012-03-18 10:33:43 +0000 | [diff] [blame] | 1670 | if (is_zero_ether_addr(addr) && IS_MF_STORAGE_SD(bp)) |
Dmitry Kravkov | 614c76d | 2011-11-28 12:31:49 +0000 | [diff] [blame] | 1671 | return true; |
| 1672 | #endif |
| 1673 | return false; |
| 1674 | } |
| 1675 | |
Dmitry Kravkov | 9f6c925 | 2010-07-27 12:34:34 +0000 | [diff] [blame] | 1676 | #endif /* BNX2X_CMN_H */ |