1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/if_vlan.h> 9 #include <linux/ipv6.h> 10 #include <linux/ethtool.h> 11 #include <linux/interrupt.h> 12 #include <linux/aer.h> 13 14 #include "qlcnic.h" 15 #include "qlcnic_sriov.h" 16 17 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *); 18 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8); 19 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *, u8 *, u8, 20 struct qlcnic_cmd_args *); 21 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *); 22 static irqreturn_t qlcnic_83xx_handle_aen(int, void *); 23 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *, 24 pci_channel_state_t); 25 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *); 26 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *); 27 static void qlcnic_83xx_io_resume(struct pci_dev *); 28 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8); 29 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *); 30 static int qlcnic_83xx_resume(struct qlcnic_adapter *); 31 static int qlcnic_83xx_shutdown(struct pci_dev *); 32 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *); 33 34 #define RSS_HASHTYPE_IP_TCP 0x3 35 #define QLC_83XX_FW_MBX_CMD 0 36 #define QLC_SKIP_INACTIVE_PCI_REGS 7 37 #define QLC_MAX_LEGACY_FUNC_SUPP 8 38 39 /* 83xx Module type */ 40 #define QLC_83XX_MODULE_FIBRE_10GBASE_LRM 0x1 /* 10GBase-LRM */ 41 #define QLC_83XX_MODULE_FIBRE_10GBASE_LR 0x2 /* 10GBase-LR */ 42 #define QLC_83XX_MODULE_FIBRE_10GBASE_SR 0x3 /* 10GBase-SR */ 43 #define QLC_83XX_MODULE_DA_10GE_PASSIVE_CP 0x4 /* 10GE passive 44 * copper(compliant) 45 */ 46 #define QLC_83XX_MODULE_DA_10GE_ACTIVE_CP 0x5 /* 10GE active limiting 47 * copper(compliant) 48 */ 49 #define QLC_83XX_MODULE_DA_10GE_LEGACY_CP 0x6 /* 10GE passive copper 50 * (legacy, best effort) 51 */ 52 #define QLC_83XX_MODULE_FIBRE_1000BASE_SX 0x7 /* 1000Base-SX */ 53 #define QLC_83XX_MODULE_FIBRE_1000BASE_LX 0x8 /* 1000Base-LX */ 54 #define QLC_83XX_MODULE_FIBRE_1000BASE_CX 0x9 /* 1000Base-CX */ 55 #define QLC_83XX_MODULE_TP_1000BASE_T 0xa /* 1000Base-T*/ 56 #define QLC_83XX_MODULE_DA_1GE_PASSIVE_CP 0xb /* 1GE passive copper 57 * (legacy, best effort) 58 */ 59 #define QLC_83XX_MODULE_UNKNOWN 0xf /* Unknown module type */ 60 61 /* Port types */ 62 #define QLC_83XX_10_CAPABLE BIT_8 63 #define QLC_83XX_100_CAPABLE BIT_9 64 #define QLC_83XX_1G_CAPABLE BIT_10 65 #define QLC_83XX_10G_CAPABLE BIT_11 66 #define QLC_83XX_AUTONEG_ENABLE BIT_15 67 68 static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = { 69 {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1}, 70 {QLCNIC_CMD_CONFIG_INTRPT, 18, 34}, 71 {QLCNIC_CMD_CREATE_RX_CTX, 136, 27}, 72 {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1}, 73 {QLCNIC_CMD_CREATE_TX_CTX, 54, 18}, 74 {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1}, 75 {QLCNIC_CMD_CONFIGURE_MAC_LEARNING, 2, 1}, 76 {QLCNIC_CMD_INTRPT_TEST, 22, 12}, 77 {QLCNIC_CMD_SET_MTU, 3, 1}, 78 {QLCNIC_CMD_READ_PHY, 4, 2}, 79 {QLCNIC_CMD_WRITE_PHY, 5, 1}, 80 {QLCNIC_CMD_READ_HW_REG, 4, 1}, 81 {QLCNIC_CMD_GET_FLOW_CTL, 4, 2}, 82 {QLCNIC_CMD_SET_FLOW_CTL, 4, 1}, 83 {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, 84 {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, 85 {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, 86 {QLCNIC_CMD_GET_PCI_INFO, 1, 129}, 87 {QLCNIC_CMD_GET_NIC_INFO, 2, 19}, 88 {QLCNIC_CMD_SET_NIC_INFO, 32, 1}, 89 {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, 90 {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1}, 91 {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3}, 92 {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1}, 93 {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1}, 94 {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3}, 95 {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1}, 96 {QLCNIC_CMD_CONFIG_PORT, 4, 1}, 97 {QLCNIC_CMD_TEMP_SIZE, 1, 4}, 98 {QLCNIC_CMD_GET_TEMP_HDR, 5, 5}, 99 {QLCNIC_CMD_GET_LINK_EVENT, 2, 1}, 100 {QLCNIC_CMD_CONFIG_MAC_VLAN, 4, 3}, 101 {QLCNIC_CMD_CONFIG_INTR_COAL, 6, 1}, 102 {QLCNIC_CMD_CONFIGURE_RSS, 14, 1}, 103 {QLCNIC_CMD_CONFIGURE_LED, 2, 1}, 104 {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, 2, 1}, 105 {QLCNIC_CMD_CONFIGURE_HW_LRO, 2, 1}, 106 {QLCNIC_CMD_GET_STATISTICS, 2, 80}, 107 {QLCNIC_CMD_SET_PORT_CONFIG, 2, 1}, 108 {QLCNIC_CMD_GET_PORT_CONFIG, 2, 2}, 109 {QLCNIC_CMD_GET_LINK_STATUS, 2, 4}, 110 {QLCNIC_CMD_IDC_ACK, 5, 1}, 111 {QLCNIC_CMD_INIT_NIC_FUNC, 3, 1}, 112 {QLCNIC_CMD_STOP_NIC_FUNC, 2, 1}, 113 {QLCNIC_CMD_SET_LED_CONFIG, 5, 1}, 114 {QLCNIC_CMD_GET_LED_CONFIG, 1, 5}, 115 {QLCNIC_CMD_83XX_SET_DRV_VER, 4, 1}, 116 {QLCNIC_CMD_ADD_RCV_RINGS, 130, 26}, 117 {QLCNIC_CMD_CONFIG_VPORT, 4, 4}, 118 {QLCNIC_CMD_BC_EVENT_SETUP, 2, 1}, 119 {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2}, 120 {QLCNIC_CMD_DCB_QUERY_PARAM, 1, 50}, 121 {QLCNIC_CMD_SET_INGRESS_ENCAP, 2, 1}, 122 {QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP, 4, 1}, 123 }; 124 125 const u32 qlcnic_83xx_ext_reg_tbl[] = { 126 0x38CC, /* Global Reset */ 127 0x38F0, /* Wildcard */ 128 0x38FC, /* Informant */ 129 0x3038, /* Host MBX ctrl */ 130 0x303C, /* FW MBX ctrl */ 131 0x355C, /* BOOT LOADER ADDRESS REG */ 132 0x3560, /* BOOT LOADER SIZE REG */ 133 0x3564, /* FW IMAGE ADDR REG */ 134 0x1000, /* MBX intr enable */ 135 0x1200, /* Default Intr mask */ 136 0x1204, /* Default Interrupt ID */ 137 0x3780, /* QLC_83XX_IDC_MAJ_VERSION */ 138 0x3784, /* QLC_83XX_IDC_DEV_STATE */ 139 0x3788, /* QLC_83XX_IDC_DRV_PRESENCE */ 140 0x378C, /* QLC_83XX_IDC_DRV_ACK */ 141 0x3790, /* QLC_83XX_IDC_CTRL */ 142 0x3794, /* QLC_83XX_IDC_DRV_AUDIT */ 143 0x3798, /* QLC_83XX_IDC_MIN_VERSION */ 144 0x379C, /* QLC_83XX_RECOVER_DRV_LOCK */ 145 0x37A0, /* QLC_83XX_IDC_PF_0 */ 146 0x37A4, /* QLC_83XX_IDC_PF_1 */ 147 0x37A8, /* QLC_83XX_IDC_PF_2 */ 148 0x37AC, /* QLC_83XX_IDC_PF_3 */ 149 0x37B0, /* QLC_83XX_IDC_PF_4 */ 150 0x37B4, /* QLC_83XX_IDC_PF_5 */ 151 0x37B8, /* QLC_83XX_IDC_PF_6 */ 152 0x37BC, /* QLC_83XX_IDC_PF_7 */ 153 0x37C0, /* QLC_83XX_IDC_PF_8 */ 154 0x37C4, /* QLC_83XX_IDC_PF_9 */ 155 0x37C8, /* QLC_83XX_IDC_PF_10 */ 156 0x37CC, /* QLC_83XX_IDC_PF_11 */ 157 0x37D0, /* QLC_83XX_IDC_PF_12 */ 158 0x37D4, /* QLC_83XX_IDC_PF_13 */ 159 0x37D8, /* QLC_83XX_IDC_PF_14 */ 160 0x37DC, /* QLC_83XX_IDC_PF_15 */ 161 0x37E0, /* QLC_83XX_IDC_DEV_PARTITION_INFO_1 */ 162 0x37E4, /* QLC_83XX_IDC_DEV_PARTITION_INFO_2 */ 163 0x37F0, /* QLC_83XX_DRV_OP_MODE */ 164 0x37F4, /* QLC_83XX_VNIC_STATE */ 165 0x3868, /* QLC_83XX_DRV_LOCK */ 166 0x386C, /* QLC_83XX_DRV_UNLOCK */ 167 0x3504, /* QLC_83XX_DRV_LOCK_ID */ 168 0x34A4, /* QLC_83XX_ASIC_TEMP */ 169 }; 170 171 const u32 qlcnic_83xx_reg_tbl[] = { 172 0x34A8, /* PEG_HALT_STAT1 */ 173 0x34AC, /* PEG_HALT_STAT2 */ 174 0x34B0, /* FW_HEARTBEAT */ 175 0x3500, /* FLASH LOCK_ID */ 176 0x3528, /* FW_CAPABILITIES */ 177 0x3538, /* Driver active, DRV_REG0 */ 178 0x3540, /* Device state, DRV_REG1 */ 179 0x3544, /* Driver state, DRV_REG2 */ 180 0x3548, /* Driver scratch, DRV_REG3 */ 181 0x354C, /* Device partition info, DRV_REG4 */ 182 0x3524, /* Driver IDC ver, DRV_REG5 */ 183 0x3550, /* FW_VER_MAJOR */ 184 0x3554, /* FW_VER_MINOR */ 185 0x3558, /* FW_VER_SUB */ 186 0x359C, /* NPAR STATE */ 187 0x35FC, /* FW_IMG_VALID */ 188 0x3650, /* CMD_PEG_STATE */ 189 0x373C, /* RCV_PEG_STATE */ 190 0x37B4, /* ASIC TEMP */ 191 0x356C, /* FW API */ 192 0x3570, /* DRV OP MODE */ 193 0x3850, /* FLASH LOCK */ 194 0x3854, /* FLASH UNLOCK */ 195 }; 196 197 static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = { 198 .read_crb = qlcnic_83xx_read_crb, 199 .write_crb = qlcnic_83xx_write_crb, 200 .read_reg = qlcnic_83xx_rd_reg_indirect, 201 .write_reg = qlcnic_83xx_wrt_reg_indirect, 202 .get_mac_address = qlcnic_83xx_get_mac_address, 203 .setup_intr = qlcnic_83xx_setup_intr, 204 .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, 205 .mbx_cmd = qlcnic_83xx_issue_cmd, 206 .get_func_no = qlcnic_83xx_get_func_no, 207 .api_lock = qlcnic_83xx_cam_lock, 208 .api_unlock = qlcnic_83xx_cam_unlock, 209 .add_sysfs = qlcnic_83xx_add_sysfs, 210 .remove_sysfs = qlcnic_83xx_remove_sysfs, 211 .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, 212 .create_rx_ctx = qlcnic_83xx_create_rx_ctx, 213 .create_tx_ctx = qlcnic_83xx_create_tx_ctx, 214 .del_rx_ctx = qlcnic_83xx_del_rx_ctx, 215 .del_tx_ctx = qlcnic_83xx_del_tx_ctx, 216 .setup_link_event = qlcnic_83xx_setup_link_event, 217 .get_nic_info = qlcnic_83xx_get_nic_info, 218 .get_pci_info = qlcnic_83xx_get_pci_info, 219 .set_nic_info = qlcnic_83xx_set_nic_info, 220 .change_macvlan = qlcnic_83xx_sre_macaddr_change, 221 .napi_enable = qlcnic_83xx_napi_enable, 222 .napi_disable = qlcnic_83xx_napi_disable, 223 .config_intr_coal = qlcnic_83xx_config_intr_coal, 224 .config_rss = qlcnic_83xx_config_rss, 225 .config_hw_lro = qlcnic_83xx_config_hw_lro, 226 .config_promisc_mode = qlcnic_83xx_nic_set_promisc, 227 .change_l2_filter = qlcnic_83xx_change_l2_filter, 228 .get_board_info = qlcnic_83xx_get_port_info, 229 .set_mac_filter_count = qlcnic_83xx_set_mac_filter_count, 230 .free_mac_list = qlcnic_82xx_free_mac_list, 231 .io_error_detected = qlcnic_83xx_io_error_detected, 232 .io_slot_reset = qlcnic_83xx_io_slot_reset, 233 .io_resume = qlcnic_83xx_io_resume, 234 .get_beacon_state = qlcnic_83xx_get_beacon_state, 235 .enable_sds_intr = qlcnic_83xx_enable_sds_intr, 236 .disable_sds_intr = qlcnic_83xx_disable_sds_intr, 237 .enable_tx_intr = qlcnic_83xx_enable_tx_intr, 238 .disable_tx_intr = qlcnic_83xx_disable_tx_intr, 239 .get_saved_state = qlcnic_83xx_get_saved_state, 240 .set_saved_state = qlcnic_83xx_set_saved_state, 241 .cache_tmpl_hdr_values = qlcnic_83xx_cache_tmpl_hdr_values, 242 .get_cap_size = qlcnic_83xx_get_cap_size, 243 .set_sys_info = qlcnic_83xx_set_sys_info, 244 .store_cap_mask = qlcnic_83xx_store_cap_mask, 245 .encap_rx_offload = qlcnic_83xx_encap_rx_offload, 246 .encap_tx_offload = qlcnic_83xx_encap_tx_offload, 247 }; 248 249 static struct qlcnic_nic_template qlcnic_83xx_ops = { 250 .config_bridged_mode = qlcnic_config_bridged_mode, 251 .config_led = qlcnic_config_led, 252 .request_reset = qlcnic_83xx_idc_request_reset, 253 .cancel_idc_work = qlcnic_83xx_idc_exit, 254 .napi_add = qlcnic_83xx_napi_add, 255 .napi_del = qlcnic_83xx_napi_del, 256 .config_ipaddr = qlcnic_83xx_config_ipaddr, 257 .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, 258 .shutdown = qlcnic_83xx_shutdown, 259 .resume = qlcnic_83xx_resume, 260 }; 261 262 void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw) 263 { 264 ahw->hw_ops = &qlcnic_83xx_hw_ops; 265 ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; 266 ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; 267 } 268 269 int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter) 270 { 271 u32 fw_major, fw_minor, fw_build; 272 struct pci_dev *pdev = adapter->pdev; 273 274 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 275 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 276 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 277 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 278 279 dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n", 280 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 281 282 return adapter->fw_version; 283 } 284 285 static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr) 286 { 287 void __iomem *base; 288 u32 val; 289 290 base = adapter->ahw->pci_base0 + 291 QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func); 292 writel(addr, base); 293 val = readl(base); 294 if (val != addr) 295 return -EIO; 296 297 return 0; 298 } 299 300 int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, 301 int *err) 302 { 303 struct qlcnic_hardware_context *ahw = adapter->ahw; 304 305 *err = __qlcnic_set_win_base(adapter, (u32) addr); 306 if (!*err) { 307 return QLCRDX(ahw, QLCNIC_WILDCARD); 308 } else { 309 dev_err(&adapter->pdev->dev, 310 "%s failed, addr = 0x%lx\n", __func__, addr); 311 return -EIO; 312 } 313 } 314 315 int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, 316 u32 data) 317 { 318 int err; 319 struct qlcnic_hardware_context *ahw = adapter->ahw; 320 321 err = __qlcnic_set_win_base(adapter, (u32) addr); 322 if (!err) { 323 QLCWRX(ahw, QLCNIC_WILDCARD, data); 324 return 0; 325 } else { 326 dev_err(&adapter->pdev->dev, 327 "%s failed, addr = 0x%x data = 0x%x\n", 328 __func__, (int)addr, data); 329 return err; 330 } 331 } 332 333 static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter) 334 { 335 struct qlcnic_hardware_context *ahw = adapter->ahw; 336 337 /* MSI-X enablement failed, use legacy interrupt */ 338 adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR; 339 adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK; 340 adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR; 341 adapter->msix_entries[0].vector = adapter->pdev->irq; 342 dev_info(&adapter->pdev->dev, "using legacy interrupt\n"); 343 } 344 345 static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 346 { 347 int num_msix; 348 349 num_msix = adapter->drv_sds_rings; 350 351 /* account for AEN interrupt MSI-X based interrupts */ 352 num_msix += 1; 353 354 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) 355 num_msix += adapter->drv_tx_rings; 356 357 return num_msix; 358 } 359 360 int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter) 361 { 362 struct qlcnic_hardware_context *ahw = adapter->ahw; 363 int err, i, num_msix; 364 365 if (adapter->flags & QLCNIC_TSS_RSS) { 366 err = qlcnic_setup_tss_rss_intr(adapter); 367 if (err < 0) 368 return err; 369 num_msix = ahw->num_msix; 370 } else { 371 num_msix = qlcnic_83xx_calculate_msix_vector(adapter); 372 373 err = qlcnic_enable_msix(adapter, num_msix); 374 if (err == -ENOMEM) 375 return err; 376 377 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 378 num_msix = ahw->num_msix; 379 } else { 380 if (qlcnic_sriov_vf_check(adapter)) 381 return -EINVAL; 382 num_msix = 1; 383 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 384 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 385 } 386 } 387 388 /* setup interrupt mapping table for fw */ 389 ahw->intr_tbl = vzalloc(num_msix * 390 sizeof(struct qlcnic_intrpt_config)); 391 if (!ahw->intr_tbl) 392 return -ENOMEM; 393 394 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 395 if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) { 396 dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n", 397 ahw->pci_func); 398 return -EOPNOTSUPP; 399 } 400 401 qlcnic_83xx_enable_legacy(adapter); 402 } 403 404 for (i = 0; i < num_msix; i++) { 405 if (adapter->flags & QLCNIC_MSIX_ENABLED) 406 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 407 else 408 ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX; 409 ahw->intr_tbl[i].id = i; 410 ahw->intr_tbl[i].src = 0; 411 } 412 413 return 0; 414 } 415 416 static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter) 417 { 418 writel(0, adapter->tgt_mask_reg); 419 } 420 421 static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter) 422 { 423 if (adapter->tgt_mask_reg) 424 writel(1, adapter->tgt_mask_reg); 425 } 426 427 static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter 428 *adapter) 429 { 430 u32 mask; 431 432 /* Mailbox in MSI-x mode and Legacy Interrupt share the same 433 * source register. We could be here before contexts are created 434 * and sds_ring->crb_intr_mask has not been initialized, calculate 435 * BAR offset for Interrupt Source Register 436 */ 437 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); 438 writel(0, adapter->ahw->pci_base0 + mask); 439 } 440 441 void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter) 442 { 443 u32 mask; 444 445 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); 446 writel(1, adapter->ahw->pci_base0 + mask); 447 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0); 448 } 449 450 static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter, 451 struct qlcnic_cmd_args *cmd) 452 { 453 int i; 454 455 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) 456 return; 457 458 for (i = 0; i < cmd->rsp.num; i++) 459 cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i)); 460 } 461 462 irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 463 { 464 u32 intr_val; 465 struct qlcnic_hardware_context *ahw = adapter->ahw; 466 int retries = 0; 467 468 intr_val = readl(adapter->tgt_status_reg); 469 470 if (!QLC_83XX_VALID_INTX_BIT31(intr_val)) 471 return IRQ_NONE; 472 473 if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) { 474 adapter->stats.spurious_intr++; 475 return IRQ_NONE; 476 } 477 /* The barrier is required to ensure writes to the registers */ 478 wmb(); 479 480 /* clear the interrupt trigger control register */ 481 writel(0, adapter->isr_int_vec); 482 intr_val = readl(adapter->isr_int_vec); 483 do { 484 intr_val = readl(adapter->tgt_status_reg); 485 if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func) 486 break; 487 retries++; 488 } while (QLC_83XX_VALID_INTX_BIT30(intr_val) && 489 (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY)); 490 491 return IRQ_HANDLED; 492 } 493 494 static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx) 495 { 496 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; 497 complete(&mbx->completion); 498 } 499 500 static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter) 501 { 502 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; 503 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; 504 unsigned long flags; 505 506 spin_lock_irqsave(&mbx->aen_lock, flags); 507 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); 508 if (!(resp & QLCNIC_SET_OWNER)) 509 goto out; 510 511 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); 512 if (event & QLCNIC_MBX_ASYNC_EVENT) { 513 __qlcnic_83xx_process_aen(adapter); 514 } else { 515 if (mbx->rsp_status != rsp_status) 516 qlcnic_83xx_notify_mbx_response(mbx); 517 } 518 out: 519 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); 520 spin_unlock_irqrestore(&mbx->aen_lock, flags); 521 } 522 523 irqreturn_t qlcnic_83xx_intr(int irq, void *data) 524 { 525 struct qlcnic_adapter *adapter = data; 526 struct qlcnic_host_sds_ring *sds_ring; 527 struct qlcnic_hardware_context *ahw = adapter->ahw; 528 529 if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE) 530 return IRQ_NONE; 531 532 qlcnic_83xx_poll_process_aen(adapter); 533 534 if (ahw->diag_test) { 535 if (ahw->diag_test == QLCNIC_INTERRUPT_TEST) 536 ahw->diag_cnt++; 537 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); 538 return IRQ_HANDLED; 539 } 540 541 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 542 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); 543 } else { 544 sds_ring = &adapter->recv_ctx->sds_rings[0]; 545 napi_schedule(&sds_ring->napi); 546 } 547 548 return IRQ_HANDLED; 549 } 550 551 irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data) 552 { 553 struct qlcnic_host_sds_ring *sds_ring = data; 554 struct qlcnic_adapter *adapter = sds_ring->adapter; 555 556 if (adapter->flags & QLCNIC_MSIX_ENABLED) 557 goto done; 558 559 if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE) 560 return IRQ_NONE; 561 562 done: 563 adapter->ahw->diag_cnt++; 564 qlcnic_enable_sds_intr(adapter, sds_ring); 565 566 return IRQ_HANDLED; 567 } 568 569 void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter) 570 { 571 u32 num_msix; 572 573 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) 574 qlcnic_83xx_set_legacy_intr_mask(adapter); 575 576 qlcnic_83xx_disable_mbx_intr(adapter); 577 578 if (adapter->flags & QLCNIC_MSIX_ENABLED) 579 num_msix = adapter->ahw->num_msix - 1; 580 else 581 num_msix = 0; 582 583 msleep(20); 584 585 if (adapter->msix_entries) { 586 synchronize_irq(adapter->msix_entries[num_msix].vector); 587 free_irq(adapter->msix_entries[num_msix].vector, adapter); 588 } 589 } 590 591 int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter) 592 { 593 irq_handler_t handler; 594 u32 val; 595 int err = 0; 596 unsigned long flags = 0; 597 598 if (!(adapter->flags & QLCNIC_MSI_ENABLED) && 599 !(adapter->flags & QLCNIC_MSIX_ENABLED)) 600 flags |= IRQF_SHARED; 601 602 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 603 handler = qlcnic_83xx_handle_aen; 604 val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector; 605 err = request_irq(val, handler, flags, "qlcnic-MB", adapter); 606 if (err) { 607 dev_err(&adapter->pdev->dev, 608 "failed to register MBX interrupt\n"); 609 return err; 610 } 611 } else { 612 handler = qlcnic_83xx_intr; 613 val = adapter->msix_entries[0].vector; 614 err = request_irq(val, handler, flags, "qlcnic", adapter); 615 if (err) { 616 dev_err(&adapter->pdev->dev, 617 "failed to register INTx interrupt\n"); 618 return err; 619 } 620 qlcnic_83xx_clear_legacy_intr_mask(adapter); 621 } 622 623 /* Enable mailbox interrupt */ 624 qlcnic_83xx_enable_mbx_interrupt(adapter); 625 626 return err; 627 } 628 629 void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter) 630 { 631 u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT); 632 adapter->ahw->pci_func = (val >> 24) & 0xff; 633 } 634 635 int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter) 636 { 637 void __iomem *addr; 638 u32 val, limit = 0; 639 640 struct qlcnic_hardware_context *ahw = adapter->ahw; 641 642 addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func); 643 do { 644 val = readl(addr); 645 if (val) { 646 /* write the function number to register */ 647 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 648 ahw->pci_func); 649 return 0; 650 } 651 usleep_range(1000, 2000); 652 } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT); 653 654 return -EIO; 655 } 656 657 void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter) 658 { 659 void __iomem *addr; 660 u32 val; 661 struct qlcnic_hardware_context *ahw = adapter->ahw; 662 663 addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func); 664 val = readl(addr); 665 } 666 667 void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, 668 loff_t offset, size_t size) 669 { 670 int ret = 0; 671 u32 data; 672 673 if (qlcnic_api_lock(adapter)) { 674 dev_err(&adapter->pdev->dev, 675 "%s: failed to acquire lock. addr offset 0x%x\n", 676 __func__, (u32)offset); 677 return; 678 } 679 680 data = QLCRD32(adapter, (u32) offset, &ret); 681 qlcnic_api_unlock(adapter); 682 683 if (ret == -EIO) { 684 dev_err(&adapter->pdev->dev, 685 "%s: failed. addr offset 0x%x\n", 686 __func__, (u32)offset); 687 return; 688 } 689 memcpy(buf, &data, size); 690 } 691 692 void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf, 693 loff_t offset, size_t size) 694 { 695 u32 data; 696 697 memcpy(&data, buf, size); 698 qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data); 699 } 700 701 int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter) 702 { 703 struct qlcnic_hardware_context *ahw = adapter->ahw; 704 int status; 705 706 status = qlcnic_83xx_get_port_config(adapter); 707 if (status) { 708 dev_err(&adapter->pdev->dev, 709 "Get Port Info failed\n"); 710 } else { 711 712 if (ahw->port_config & QLC_83XX_10G_CAPABLE) { 713 ahw->port_type = QLCNIC_XGBE; 714 } else if (ahw->port_config & QLC_83XX_10_CAPABLE || 715 ahw->port_config & QLC_83XX_100_CAPABLE || 716 ahw->port_config & QLC_83XX_1G_CAPABLE) { 717 ahw->port_type = QLCNIC_GBE; 718 } else { 719 ahw->port_type = QLCNIC_XGBE; 720 } 721 722 if (QLC_83XX_AUTONEG(ahw->port_config)) 723 ahw->link_autoneg = AUTONEG_ENABLE; 724 725 } 726 return status; 727 } 728 729 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 730 { 731 struct qlcnic_hardware_context *ahw = adapter->ahw; 732 u16 act_pci_fn = ahw->total_nic_func; 733 u16 count; 734 735 ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT; 736 if (act_pci_fn <= 2) 737 count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) / 738 act_pci_fn; 739 else 740 count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) / 741 act_pci_fn; 742 ahw->max_uc_count = count; 743 } 744 745 void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter) 746 { 747 u32 val; 748 749 if (adapter->flags & QLCNIC_MSIX_ENABLED) 750 val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8); 751 else 752 val = BIT_2; 753 754 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val); 755 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); 756 } 757 758 void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter, 759 const struct pci_device_id *ent) 760 { 761 u32 op_mode, priv_level; 762 struct qlcnic_hardware_context *ahw = adapter->ahw; 763 764 ahw->fw_hal_version = 2; 765 qlcnic_get_func_no(adapter); 766 767 if (qlcnic_sriov_vf_check(adapter)) { 768 qlcnic_sriov_vf_set_ops(adapter); 769 return; 770 } 771 772 /* Determine function privilege level */ 773 op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); 774 if (op_mode == QLC_83XX_DEFAULT_OPMODE) 775 priv_level = QLCNIC_MGMT_FUNC; 776 else 777 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, 778 ahw->pci_func); 779 780 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 781 ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 782 dev_info(&adapter->pdev->dev, 783 "HAL Version: %d Non Privileged function\n", 784 ahw->fw_hal_version); 785 adapter->nic_ops = &qlcnic_vf_ops; 786 } else { 787 if (pci_find_ext_capability(adapter->pdev, 788 PCI_EXT_CAP_ID_SRIOV)) 789 set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state); 790 adapter->nic_ops = &qlcnic_83xx_ops; 791 } 792 } 793 794 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, 795 u32 data[]); 796 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, 797 u32 data[]); 798 799 void qlcnic_dump_mbx(struct qlcnic_adapter *adapter, 800 struct qlcnic_cmd_args *cmd) 801 { 802 int i; 803 804 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) 805 return; 806 807 dev_info(&adapter->pdev->dev, 808 "Host MBX regs(%d)\n", cmd->req.num); 809 for (i = 0; i < cmd->req.num; i++) { 810 if (i && !(i % 8)) 811 pr_info("\n"); 812 pr_info("%08x ", cmd->req.arg[i]); 813 } 814 pr_info("\n"); 815 dev_info(&adapter->pdev->dev, 816 "FW MBX regs(%d)\n", cmd->rsp.num); 817 for (i = 0; i < cmd->rsp.num; i++) { 818 if (i && !(i % 8)) 819 pr_info("\n"); 820 pr_info("%08x ", cmd->rsp.arg[i]); 821 } 822 pr_info("\n"); 823 } 824 825 static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter, 826 struct qlcnic_cmd_args *cmd) 827 { 828 struct qlcnic_hardware_context *ahw = adapter->ahw; 829 int opcode = LSW(cmd->req.arg[0]); 830 unsigned long max_loops; 831 832 max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP; 833 834 for (; max_loops; max_loops--) { 835 if (atomic_read(&cmd->rsp_status) == 836 QLC_83XX_MBX_RESPONSE_ARRIVED) 837 return; 838 839 udelay(1); 840 } 841 842 dev_err(&adapter->pdev->dev, 843 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", 844 __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode); 845 flush_workqueue(ahw->mailbox->work_q); 846 return; 847 } 848 849 int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter, 850 struct qlcnic_cmd_args *cmd) 851 { 852 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; 853 struct qlcnic_hardware_context *ahw = adapter->ahw; 854 int cmd_type, err, opcode; 855 unsigned long timeout; 856 857 if (!mbx) 858 return -EIO; 859 860 opcode = LSW(cmd->req.arg[0]); 861 cmd_type = cmd->type; 862 err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout); 863 if (err) { 864 dev_err(&adapter->pdev->dev, 865 "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n", 866 __func__, opcode, cmd->type, ahw->pci_func, 867 ahw->op_mode); 868 return err; 869 } 870 871 switch (cmd_type) { 872 case QLC_83XX_MBX_CMD_WAIT: 873 if (!wait_for_completion_timeout(&cmd->completion, timeout)) { 874 dev_err(&adapter->pdev->dev, 875 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", 876 __func__, opcode, cmd_type, ahw->pci_func, 877 ahw->op_mode); 878 flush_workqueue(mbx->work_q); 879 } 880 break; 881 case QLC_83XX_MBX_CMD_NO_WAIT: 882 return 0; 883 case QLC_83XX_MBX_CMD_BUSY_WAIT: 884 qlcnic_83xx_poll_for_mbx_completion(adapter, cmd); 885 break; 886 default: 887 dev_err(&adapter->pdev->dev, 888 "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", 889 __func__, opcode, cmd_type, ahw->pci_func, 890 ahw->op_mode); 891 qlcnic_83xx_detach_mailbox_work(adapter); 892 } 893 894 return cmd->rsp_opcode; 895 } 896 897 int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx, 898 struct qlcnic_adapter *adapter, u32 type) 899 { 900 int i, size; 901 u32 temp; 902 const struct qlcnic_mailbox_metadata *mbx_tbl; 903 904 memset(mbx, 0, sizeof(struct qlcnic_cmd_args)); 905 mbx_tbl = qlcnic_83xx_mbx_tbl; 906 size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl); 907 for (i = 0; i < size; i++) { 908 if (type == mbx_tbl[i].cmd) { 909 mbx->op_type = QLC_83XX_FW_MBX_CMD; 910 mbx->req.num = mbx_tbl[i].in_args; 911 mbx->rsp.num = mbx_tbl[i].out_args; 912 mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), 913 GFP_ATOMIC); 914 if (!mbx->req.arg) 915 return -ENOMEM; 916 mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), 917 GFP_ATOMIC); 918 if (!mbx->rsp.arg) { 919 kfree(mbx->req.arg); 920 mbx->req.arg = NULL; 921 return -ENOMEM; 922 } 923 temp = adapter->ahw->fw_hal_version << 29; 924 mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp); 925 mbx->cmd_op = type; 926 return 0; 927 } 928 } 929 930 dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n", 931 __func__, type); 932 return -EINVAL; 933 } 934 935 void qlcnic_83xx_idc_aen_work(struct work_struct *work) 936 { 937 struct qlcnic_adapter *adapter; 938 struct qlcnic_cmd_args cmd; 939 int i, err = 0; 940 941 adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work); 942 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK); 943 if (err) 944 return; 945 946 for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++) 947 cmd.req.arg[i] = adapter->ahw->mbox_aen[i]; 948 949 err = qlcnic_issue_cmd(adapter, &cmd); 950 if (err) 951 dev_info(&adapter->pdev->dev, 952 "%s: Mailbox IDC ACK failed.\n", __func__); 953 qlcnic_free_mbx_args(&cmd); 954 } 955 956 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, 957 u32 data[]) 958 { 959 dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n", 960 QLCNIC_MBX_RSP(data[0])); 961 clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status); 962 return; 963 } 964 965 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) 966 { 967 struct qlcnic_hardware_context *ahw = adapter->ahw; 968 u32 event[QLC_83XX_MBX_AEN_CNT]; 969 int i; 970 971 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) 972 event[i] = readl(QLCNIC_MBX_FW(ahw, i)); 973 974 switch (QLCNIC_MBX_RSP(event[0])) { 975 976 case QLCNIC_MBX_LINK_EVENT: 977 qlcnic_83xx_handle_link_aen(adapter, event); 978 break; 979 case QLCNIC_MBX_COMP_EVENT: 980 qlcnic_83xx_handle_idc_comp_aen(adapter, event); 981 break; 982 case QLCNIC_MBX_REQUEST_EVENT: 983 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) 984 adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]); 985 queue_delayed_work(adapter->qlcnic_wq, 986 &adapter->idc_aen_work, 0); 987 break; 988 case QLCNIC_MBX_TIME_EXTEND_EVENT: 989 ahw->extend_lb_time = event[1] >> 8 & 0xf; 990 break; 991 case QLCNIC_MBX_BC_EVENT: 992 qlcnic_sriov_handle_bc_event(adapter, event[1]); 993 break; 994 case QLCNIC_MBX_SFP_INSERT_EVENT: 995 dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n", 996 QLCNIC_MBX_RSP(event[0])); 997 break; 998 case QLCNIC_MBX_SFP_REMOVE_EVENT: 999 dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n", 1000 QLCNIC_MBX_RSP(event[0])); 1001 break; 1002 case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT: 1003 qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]); 1004 break; 1005 default: 1006 dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n", 1007 QLCNIC_MBX_RSP(event[0])); 1008 break; 1009 } 1010 1011 QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); 1012 } 1013 1014 static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) 1015 { 1016 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; 1017 struct qlcnic_hardware_context *ahw = adapter->ahw; 1018 struct qlcnic_mailbox *mbx = ahw->mailbox; 1019 unsigned long flags; 1020 1021 spin_lock_irqsave(&mbx->aen_lock, flags); 1022 resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL); 1023 if (resp & QLCNIC_SET_OWNER) { 1024 event = readl(QLCNIC_MBX_FW(ahw, 0)); 1025 if (event & QLCNIC_MBX_ASYNC_EVENT) { 1026 __qlcnic_83xx_process_aen(adapter); 1027 } else { 1028 if (mbx->rsp_status != rsp_status) 1029 qlcnic_83xx_notify_mbx_response(mbx); 1030 } 1031 } 1032 spin_unlock_irqrestore(&mbx->aen_lock, flags); 1033 } 1034 1035 static void qlcnic_83xx_mbx_poll_work(struct work_struct *work) 1036 { 1037 struct qlcnic_adapter *adapter; 1038 1039 adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work); 1040 1041 if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) 1042 return; 1043 1044 qlcnic_83xx_process_aen(adapter); 1045 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 1046 (HZ / 10)); 1047 } 1048 1049 void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter) 1050 { 1051 if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) 1052 return; 1053 1054 INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work); 1055 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0); 1056 } 1057 1058 void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter) 1059 { 1060 if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) 1061 return; 1062 cancel_delayed_work_sync(&adapter->mbx_poll_work); 1063 } 1064 1065 static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter) 1066 { 1067 int index, i, err, sds_mbx_size; 1068 u32 *buf, intrpt_id, intr_mask; 1069 u16 context_id; 1070 u8 num_sds; 1071 struct qlcnic_cmd_args cmd; 1072 struct qlcnic_host_sds_ring *sds; 1073 struct qlcnic_sds_mbx sds_mbx; 1074 struct qlcnic_add_rings_mbx_out *mbx_out; 1075 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1076 struct qlcnic_hardware_context *ahw = adapter->ahw; 1077 1078 sds_mbx_size = sizeof(struct qlcnic_sds_mbx); 1079 context_id = recv_ctx->context_id; 1080 num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS; 1081 ahw->hw_ops->alloc_mbx_args(&cmd, adapter, 1082 QLCNIC_CMD_ADD_RCV_RINGS); 1083 cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16); 1084 1085 /* set up status rings, mbx 2-81 */ 1086 index = 2; 1087 for (i = 8; i < adapter->drv_sds_rings; i++) { 1088 memset(&sds_mbx, 0, sds_mbx_size); 1089 sds = &recv_ctx->sds_rings[i]; 1090 sds->consumer = 0; 1091 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); 1092 sds_mbx.phy_addr_low = LSD(sds->phys_addr); 1093 sds_mbx.phy_addr_high = MSD(sds->phys_addr); 1094 sds_mbx.sds_ring_size = sds->num_desc; 1095 1096 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1097 intrpt_id = ahw->intr_tbl[i].id; 1098 else 1099 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); 1100 1101 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) 1102 sds_mbx.intrpt_id = intrpt_id; 1103 else 1104 sds_mbx.intrpt_id = 0xffff; 1105 sds_mbx.intrpt_val = 0; 1106 buf = &cmd.req.arg[index]; 1107 memcpy(buf, &sds_mbx, sds_mbx_size); 1108 index += sds_mbx_size / sizeof(u32); 1109 } 1110 1111 /* send the mailbox command */ 1112 err = ahw->hw_ops->mbx_cmd(adapter, &cmd); 1113 if (err) { 1114 dev_err(&adapter->pdev->dev, 1115 "Failed to add rings %d\n", err); 1116 goto out; 1117 } 1118 1119 mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1]; 1120 index = 0; 1121 /* status descriptor ring */ 1122 for (i = 8; i < adapter->drv_sds_rings; i++) { 1123 sds = &recv_ctx->sds_rings[i]; 1124 sds->crb_sts_consumer = ahw->pci_base0 + 1125 mbx_out->host_csmr[index]; 1126 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1127 intr_mask = ahw->intr_tbl[i].src; 1128 else 1129 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); 1130 1131 sds->crb_intr_mask = ahw->pci_base0 + intr_mask; 1132 index++; 1133 } 1134 out: 1135 qlcnic_free_mbx_args(&cmd); 1136 return err; 1137 } 1138 1139 void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter) 1140 { 1141 int err; 1142 u32 temp = 0; 1143 struct qlcnic_cmd_args cmd; 1144 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1145 1146 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX)) 1147 return; 1148 1149 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) 1150 cmd.req.arg[0] |= (0x3 << 29); 1151 1152 if (qlcnic_sriov_pf_check(adapter)) 1153 qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp); 1154 1155 cmd.req.arg[1] = recv_ctx->context_id | temp; 1156 err = qlcnic_issue_cmd(adapter, &cmd); 1157 if (err) 1158 dev_err(&adapter->pdev->dev, 1159 "Failed to destroy rx ctx in firmware\n"); 1160 1161 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED; 1162 qlcnic_free_mbx_args(&cmd); 1163 } 1164 1165 int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter) 1166 { 1167 int i, err, index, sds_mbx_size, rds_mbx_size; 1168 u8 num_sds, num_rds; 1169 u32 *buf, intrpt_id, intr_mask, cap = 0; 1170 struct qlcnic_host_sds_ring *sds; 1171 struct qlcnic_host_rds_ring *rds; 1172 struct qlcnic_sds_mbx sds_mbx; 1173 struct qlcnic_rds_mbx rds_mbx; 1174 struct qlcnic_cmd_args cmd; 1175 struct qlcnic_rcv_mbx_out *mbx_out; 1176 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1177 struct qlcnic_hardware_context *ahw = adapter->ahw; 1178 num_rds = adapter->max_rds_rings; 1179 1180 if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS) 1181 num_sds = adapter->drv_sds_rings; 1182 else 1183 num_sds = QLCNIC_MAX_SDS_RINGS; 1184 1185 sds_mbx_size = sizeof(struct qlcnic_sds_mbx); 1186 rds_mbx_size = sizeof(struct qlcnic_rds_mbx); 1187 cap = QLCNIC_CAP0_LEGACY_CONTEXT; 1188 1189 if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) 1190 cap |= QLC_83XX_FW_CAP_LRO_MSS; 1191 1192 /* set mailbox hdr and capabilities */ 1193 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1194 QLCNIC_CMD_CREATE_RX_CTX); 1195 if (err) 1196 return err; 1197 1198 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) 1199 cmd.req.arg[0] |= (0x3 << 29); 1200 1201 cmd.req.arg[1] = cap; 1202 cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) | 1203 (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16); 1204 1205 if (qlcnic_sriov_pf_check(adapter)) 1206 qlcnic_pf_set_interface_id_create_rx_ctx(adapter, 1207 &cmd.req.arg[6]); 1208 /* set up status rings, mbx 8-57/87 */ 1209 index = QLC_83XX_HOST_SDS_MBX_IDX; 1210 for (i = 0; i < num_sds; i++) { 1211 memset(&sds_mbx, 0, sds_mbx_size); 1212 sds = &recv_ctx->sds_rings[i]; 1213 sds->consumer = 0; 1214 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); 1215 sds_mbx.phy_addr_low = LSD(sds->phys_addr); 1216 sds_mbx.phy_addr_high = MSD(sds->phys_addr); 1217 sds_mbx.sds_ring_size = sds->num_desc; 1218 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1219 intrpt_id = ahw->intr_tbl[i].id; 1220 else 1221 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); 1222 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) 1223 sds_mbx.intrpt_id = intrpt_id; 1224 else 1225 sds_mbx.intrpt_id = 0xffff; 1226 sds_mbx.intrpt_val = 0; 1227 buf = &cmd.req.arg[index]; 1228 memcpy(buf, &sds_mbx, sds_mbx_size); 1229 index += sds_mbx_size / sizeof(u32); 1230 } 1231 /* set up receive rings, mbx 88-111/135 */ 1232 index = QLCNIC_HOST_RDS_MBX_IDX; 1233 rds = &recv_ctx->rds_rings[0]; 1234 rds->producer = 0; 1235 memset(&rds_mbx, 0, rds_mbx_size); 1236 rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr); 1237 rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr); 1238 rds_mbx.reg_ring_sz = rds->dma_size; 1239 rds_mbx.reg_ring_len = rds->num_desc; 1240 /* Jumbo ring */ 1241 rds = &recv_ctx->rds_rings[1]; 1242 rds->producer = 0; 1243 rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr); 1244 rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr); 1245 rds_mbx.jmb_ring_sz = rds->dma_size; 1246 rds_mbx.jmb_ring_len = rds->num_desc; 1247 buf = &cmd.req.arg[index]; 1248 memcpy(buf, &rds_mbx, rds_mbx_size); 1249 1250 /* send the mailbox command */ 1251 err = ahw->hw_ops->mbx_cmd(adapter, &cmd); 1252 if (err) { 1253 dev_err(&adapter->pdev->dev, 1254 "Failed to create Rx ctx in firmware%d\n", err); 1255 goto out; 1256 } 1257 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1]; 1258 recv_ctx->context_id = mbx_out->ctx_id; 1259 recv_ctx->state = mbx_out->state; 1260 recv_ctx->virt_port = mbx_out->vport_id; 1261 dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n", 1262 recv_ctx->context_id, recv_ctx->state); 1263 /* Receive descriptor ring */ 1264 /* Standard ring */ 1265 rds = &recv_ctx->rds_rings[0]; 1266 rds->crb_rcv_producer = ahw->pci_base0 + 1267 mbx_out->host_prod[0].reg_buf; 1268 /* Jumbo ring */ 1269 rds = &recv_ctx->rds_rings[1]; 1270 rds->crb_rcv_producer = ahw->pci_base0 + 1271 mbx_out->host_prod[0].jmb_buf; 1272 /* status descriptor ring */ 1273 for (i = 0; i < num_sds; i++) { 1274 sds = &recv_ctx->sds_rings[i]; 1275 sds->crb_sts_consumer = ahw->pci_base0 + 1276 mbx_out->host_csmr[i]; 1277 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1278 intr_mask = ahw->intr_tbl[i].src; 1279 else 1280 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); 1281 sds->crb_intr_mask = ahw->pci_base0 + intr_mask; 1282 } 1283 1284 if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS) 1285 err = qlcnic_83xx_add_rings(adapter); 1286 out: 1287 qlcnic_free_mbx_args(&cmd); 1288 return err; 1289 } 1290 1291 void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter, 1292 struct qlcnic_host_tx_ring *tx_ring) 1293 { 1294 struct qlcnic_cmd_args cmd; 1295 u32 temp = 0; 1296 1297 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX)) 1298 return; 1299 1300 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) 1301 cmd.req.arg[0] |= (0x3 << 29); 1302 1303 if (qlcnic_sriov_pf_check(adapter)) 1304 qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp); 1305 1306 cmd.req.arg[1] = tx_ring->ctx_id | temp; 1307 if (qlcnic_issue_cmd(adapter, &cmd)) 1308 dev_err(&adapter->pdev->dev, 1309 "Failed to destroy tx ctx in firmware\n"); 1310 qlcnic_free_mbx_args(&cmd); 1311 } 1312 1313 int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter, 1314 struct qlcnic_host_tx_ring *tx, int ring) 1315 { 1316 int err; 1317 u16 msix_id; 1318 u32 *buf, intr_mask, temp = 0; 1319 struct qlcnic_cmd_args cmd; 1320 struct qlcnic_tx_mbx mbx; 1321 struct qlcnic_tx_mbx_out *mbx_out; 1322 struct qlcnic_hardware_context *ahw = adapter->ahw; 1323 u32 msix_vector; 1324 1325 /* Reset host resources */ 1326 tx->producer = 0; 1327 tx->sw_consumer = 0; 1328 *(tx->hw_consumer) = 0; 1329 1330 memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx)); 1331 1332 /* setup mailbox inbox registerss */ 1333 mbx.phys_addr_low = LSD(tx->phys_addr); 1334 mbx.phys_addr_high = MSD(tx->phys_addr); 1335 mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr); 1336 mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr); 1337 mbx.size = tx->num_desc; 1338 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 1339 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) 1340 msix_vector = adapter->drv_sds_rings + ring; 1341 else 1342 msix_vector = adapter->drv_sds_rings - 1; 1343 msix_id = ahw->intr_tbl[msix_vector].id; 1344 } else { 1345 msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); 1346 } 1347 1348 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) 1349 mbx.intr_id = msix_id; 1350 else 1351 mbx.intr_id = 0xffff; 1352 mbx.src = 0; 1353 1354 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX); 1355 if (err) 1356 return err; 1357 1358 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) 1359 cmd.req.arg[0] |= (0x3 << 29); 1360 1361 if (qlcnic_sriov_pf_check(adapter)) 1362 qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp); 1363 1364 cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT; 1365 cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp; 1366 1367 buf = &cmd.req.arg[6]; 1368 memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx)); 1369 /* send the mailbox command*/ 1370 err = qlcnic_issue_cmd(adapter, &cmd); 1371 if (err) { 1372 netdev_err(adapter->netdev, 1373 "Failed to create Tx ctx in firmware 0x%x\n", err); 1374 goto out; 1375 } 1376 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2]; 1377 tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod; 1378 tx->ctx_id = mbx_out->ctx_id; 1379 if ((adapter->flags & QLCNIC_MSIX_ENABLED) && 1380 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1381 intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src; 1382 tx->crb_intr_mask = ahw->pci_base0 + intr_mask; 1383 } 1384 netdev_info(adapter->netdev, 1385 "Tx Context[0x%x] Created, state:0x%x\n", 1386 tx->ctx_id, mbx_out->state); 1387 out: 1388 qlcnic_free_mbx_args(&cmd); 1389 return err; 1390 } 1391 1392 static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test, 1393 u8 num_sds_ring) 1394 { 1395 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1396 struct qlcnic_host_sds_ring *sds_ring; 1397 struct qlcnic_host_rds_ring *rds_ring; 1398 u16 adapter_state = adapter->is_up; 1399 u8 ring; 1400 int ret; 1401 1402 netif_device_detach(netdev); 1403 1404 if (netif_running(netdev)) 1405 __qlcnic_down(adapter, netdev); 1406 1407 qlcnic_detach(adapter); 1408 1409 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 1410 adapter->ahw->diag_test = test; 1411 adapter->ahw->linkup = 0; 1412 1413 ret = qlcnic_attach(adapter); 1414 if (ret) { 1415 netif_device_attach(netdev); 1416 return ret; 1417 } 1418 1419 ret = qlcnic_fw_create_ctx(adapter); 1420 if (ret) { 1421 qlcnic_detach(adapter); 1422 if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) { 1423 adapter->drv_sds_rings = num_sds_ring; 1424 qlcnic_attach(adapter); 1425 } 1426 netif_device_attach(netdev); 1427 return ret; 1428 } 1429 1430 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1431 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1432 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1433 } 1434 1435 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1436 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1437 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1438 qlcnic_enable_sds_intr(adapter, sds_ring); 1439 } 1440 } 1441 1442 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1443 adapter->ahw->loopback_state = 0; 1444 adapter->ahw->hw_ops->setup_link_event(adapter, 1); 1445 } 1446 1447 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1448 return 0; 1449 } 1450 1451 static void qlcnic_83xx_diag_free_res(struct net_device *netdev, 1452 u8 drv_sds_rings) 1453 { 1454 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1455 struct qlcnic_host_sds_ring *sds_ring; 1456 int ring; 1457 1458 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1459 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1460 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1461 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1462 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1463 qlcnic_disable_sds_intr(adapter, sds_ring); 1464 } 1465 } 1466 1467 qlcnic_fw_destroy_ctx(adapter); 1468 qlcnic_detach(adapter); 1469 1470 adapter->ahw->diag_test = 0; 1471 adapter->drv_sds_rings = drv_sds_rings; 1472 1473 if (qlcnic_attach(adapter)) 1474 goto out; 1475 1476 if (netif_running(netdev)) 1477 __qlcnic_up(adapter, netdev); 1478 1479 out: 1480 netif_device_attach(netdev); 1481 } 1482 1483 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter) 1484 { 1485 struct qlcnic_hardware_context *ahw = adapter->ahw; 1486 struct qlcnic_cmd_args cmd; 1487 u8 beacon_state; 1488 int err = 0; 1489 1490 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG); 1491 if (!err) { 1492 err = qlcnic_issue_cmd(adapter, &cmd); 1493 if (!err) { 1494 beacon_state = cmd.rsp.arg[4]; 1495 if (beacon_state == QLCNIC_BEACON_DISABLE) 1496 ahw->beacon_state = QLC_83XX_BEACON_OFF; 1497 else if (beacon_state == QLC_83XX_ENABLE_BEACON) 1498 ahw->beacon_state = QLC_83XX_BEACON_ON; 1499 } 1500 } else { 1501 netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n", 1502 err); 1503 } 1504 1505 qlcnic_free_mbx_args(&cmd); 1506 1507 return; 1508 } 1509 1510 int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state, 1511 u32 beacon) 1512 { 1513 struct qlcnic_cmd_args cmd; 1514 u32 mbx_in; 1515 int i, status = 0; 1516 1517 if (state) { 1518 /* Get LED configuration */ 1519 status = qlcnic_alloc_mbx_args(&cmd, adapter, 1520 QLCNIC_CMD_GET_LED_CONFIG); 1521 if (status) 1522 return status; 1523 1524 status = qlcnic_issue_cmd(adapter, &cmd); 1525 if (status) { 1526 dev_err(&adapter->pdev->dev, 1527 "Get led config failed.\n"); 1528 goto mbx_err; 1529 } else { 1530 for (i = 0; i < 4; i++) 1531 adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1]; 1532 } 1533 qlcnic_free_mbx_args(&cmd); 1534 /* Set LED Configuration */ 1535 mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) | 1536 LSW(QLC_83XX_LED_CONFIG); 1537 status = qlcnic_alloc_mbx_args(&cmd, adapter, 1538 QLCNIC_CMD_SET_LED_CONFIG); 1539 if (status) 1540 return status; 1541 1542 cmd.req.arg[1] = mbx_in; 1543 cmd.req.arg[2] = mbx_in; 1544 cmd.req.arg[3] = mbx_in; 1545 if (beacon) 1546 cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON; 1547 status = qlcnic_issue_cmd(adapter, &cmd); 1548 if (status) { 1549 dev_err(&adapter->pdev->dev, 1550 "Set led config failed.\n"); 1551 } 1552 mbx_err: 1553 qlcnic_free_mbx_args(&cmd); 1554 return status; 1555 1556 } else { 1557 /* Restoring default LED configuration */ 1558 status = qlcnic_alloc_mbx_args(&cmd, adapter, 1559 QLCNIC_CMD_SET_LED_CONFIG); 1560 if (status) 1561 return status; 1562 1563 cmd.req.arg[1] = adapter->ahw->mbox_reg[0]; 1564 cmd.req.arg[2] = adapter->ahw->mbox_reg[1]; 1565 cmd.req.arg[3] = adapter->ahw->mbox_reg[2]; 1566 if (beacon) 1567 cmd.req.arg[4] = adapter->ahw->mbox_reg[3]; 1568 status = qlcnic_issue_cmd(adapter, &cmd); 1569 if (status) 1570 dev_err(&adapter->pdev->dev, 1571 "Restoring led config failed.\n"); 1572 qlcnic_free_mbx_args(&cmd); 1573 return status; 1574 } 1575 } 1576 1577 int qlcnic_83xx_set_led(struct net_device *netdev, 1578 enum ethtool_phys_id_state state) 1579 { 1580 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1581 int err = -EIO, active = 1; 1582 1583 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 1584 netdev_warn(netdev, 1585 "LED test is not supported in non-privileged mode\n"); 1586 return -EOPNOTSUPP; 1587 } 1588 1589 switch (state) { 1590 case ETHTOOL_ID_ACTIVE: 1591 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) 1592 return -EBUSY; 1593 1594 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 1595 break; 1596 1597 err = qlcnic_83xx_config_led(adapter, active, 0); 1598 if (err) 1599 netdev_err(netdev, "Failed to set LED blink state\n"); 1600 break; 1601 case ETHTOOL_ID_INACTIVE: 1602 active = 0; 1603 1604 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 1605 break; 1606 1607 err = qlcnic_83xx_config_led(adapter, active, 0); 1608 if (err) 1609 netdev_err(netdev, "Failed to reset LED blink state\n"); 1610 break; 1611 1612 default: 1613 return -EINVAL; 1614 } 1615 1616 if (!active || err) 1617 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); 1618 1619 return err; 1620 } 1621 1622 void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable) 1623 { 1624 struct qlcnic_cmd_args cmd; 1625 int status; 1626 1627 if (qlcnic_sriov_vf_check(adapter)) 1628 return; 1629 1630 if (enable) 1631 status = qlcnic_alloc_mbx_args(&cmd, adapter, 1632 QLCNIC_CMD_INIT_NIC_FUNC); 1633 else 1634 status = qlcnic_alloc_mbx_args(&cmd, adapter, 1635 QLCNIC_CMD_STOP_NIC_FUNC); 1636 1637 if (status) 1638 return; 1639 1640 cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES; 1641 1642 if (adapter->dcb) 1643 cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN; 1644 1645 status = qlcnic_issue_cmd(adapter, &cmd); 1646 if (status) 1647 dev_err(&adapter->pdev->dev, 1648 "Failed to %s in NIC IDC function event.\n", 1649 (enable ? "register" : "unregister")); 1650 1651 qlcnic_free_mbx_args(&cmd); 1652 } 1653 1654 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter) 1655 { 1656 struct qlcnic_cmd_args cmd; 1657 int err; 1658 1659 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG); 1660 if (err) 1661 return err; 1662 1663 cmd.req.arg[1] = adapter->ahw->port_config; 1664 err = qlcnic_issue_cmd(adapter, &cmd); 1665 if (err) 1666 dev_info(&adapter->pdev->dev, "Set Port Config failed.\n"); 1667 qlcnic_free_mbx_args(&cmd); 1668 return err; 1669 } 1670 1671 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter) 1672 { 1673 struct qlcnic_cmd_args cmd; 1674 int err; 1675 1676 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG); 1677 if (err) 1678 return err; 1679 1680 err = qlcnic_issue_cmd(adapter, &cmd); 1681 if (err) 1682 dev_info(&adapter->pdev->dev, "Get Port config failed\n"); 1683 else 1684 adapter->ahw->port_config = cmd.rsp.arg[1]; 1685 qlcnic_free_mbx_args(&cmd); 1686 return err; 1687 } 1688 1689 int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable) 1690 { 1691 int err; 1692 u32 temp; 1693 struct qlcnic_cmd_args cmd; 1694 1695 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT); 1696 if (err) 1697 return err; 1698 1699 temp = adapter->recv_ctx->context_id << 16; 1700 cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp; 1701 err = qlcnic_issue_cmd(adapter, &cmd); 1702 if (err) 1703 dev_info(&adapter->pdev->dev, 1704 "Setup linkevent mailbox failed\n"); 1705 qlcnic_free_mbx_args(&cmd); 1706 return err; 1707 } 1708 1709 static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter, 1710 u32 *interface_id) 1711 { 1712 if (qlcnic_sriov_pf_check(adapter)) { 1713 qlcnic_alloc_lb_filters_mem(adapter); 1714 qlcnic_pf_set_interface_id_promisc(adapter, interface_id); 1715 adapter->rx_mac_learn = true; 1716 } else { 1717 if (!qlcnic_sriov_vf_check(adapter)) 1718 *interface_id = adapter->recv_ctx->context_id << 16; 1719 } 1720 } 1721 1722 int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) 1723 { 1724 struct qlcnic_cmd_args *cmd = NULL; 1725 u32 temp = 0; 1726 int err; 1727 1728 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) 1729 return -EIO; 1730 1731 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); 1732 if (!cmd) 1733 return -ENOMEM; 1734 1735 err = qlcnic_alloc_mbx_args(cmd, adapter, 1736 QLCNIC_CMD_CONFIGURE_MAC_RX_MODE); 1737 if (err) 1738 goto out; 1739 1740 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; 1741 qlcnic_83xx_set_interface_id_promisc(adapter, &temp); 1742 1743 if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter)) 1744 mode = VPORT_MISS_MODE_ACCEPT_ALL; 1745 1746 cmd->req.arg[1] = mode | temp; 1747 err = qlcnic_issue_cmd(adapter, cmd); 1748 if (!err) 1749 return err; 1750 1751 qlcnic_free_mbx_args(cmd); 1752 1753 out: 1754 kfree(cmd); 1755 return err; 1756 } 1757 1758 int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) 1759 { 1760 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1761 struct qlcnic_hardware_context *ahw = adapter->ahw; 1762 u8 drv_sds_rings = adapter->drv_sds_rings; 1763 u8 drv_tx_rings = adapter->drv_tx_rings; 1764 int ret = 0, loop = 0; 1765 1766 if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 1767 netdev_warn(netdev, 1768 "Loopback test not supported in non privileged mode\n"); 1769 return -ENOTSUPP; 1770 } 1771 1772 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { 1773 netdev_info(netdev, "Device is resetting\n"); 1774 return -EBUSY; 1775 } 1776 1777 if (qlcnic_get_diag_lock(adapter)) { 1778 netdev_info(netdev, "Device is in diagnostics mode\n"); 1779 return -EBUSY; 1780 } 1781 1782 netdev_info(netdev, "%s loopback test in progress\n", 1783 mode == QLCNIC_ILB_MODE ? "internal" : "external"); 1784 1785 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST, 1786 drv_sds_rings); 1787 if (ret) 1788 goto fail_diag_alloc; 1789 1790 ret = qlcnic_83xx_set_lb_mode(adapter, mode); 1791 if (ret) 1792 goto free_diag_res; 1793 1794 /* Poll for link up event before running traffic */ 1795 do { 1796 msleep(QLC_83XX_LB_MSLEEP_COUNT); 1797 1798 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { 1799 netdev_info(netdev, 1800 "Device is resetting, free LB test resources\n"); 1801 ret = -EBUSY; 1802 goto free_diag_res; 1803 } 1804 if (loop++ > QLC_83XX_LB_WAIT_COUNT) { 1805 netdev_info(netdev, 1806 "Firmware didn't sent link up event to loopback request\n"); 1807 ret = -ETIMEDOUT; 1808 qlcnic_83xx_clear_lb_mode(adapter, mode); 1809 goto free_diag_res; 1810 } 1811 } while ((adapter->ahw->linkup && ahw->has_link_events) != 1); 1812 1813 ret = qlcnic_do_lb_test(adapter, mode); 1814 1815 qlcnic_83xx_clear_lb_mode(adapter, mode); 1816 1817 free_diag_res: 1818 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); 1819 1820 fail_diag_alloc: 1821 adapter->drv_sds_rings = drv_sds_rings; 1822 adapter->drv_tx_rings = drv_tx_rings; 1823 qlcnic_release_diag_lock(adapter); 1824 return ret; 1825 } 1826 1827 static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter, 1828 u32 *max_wait_count) 1829 { 1830 struct qlcnic_hardware_context *ahw = adapter->ahw; 1831 int temp; 1832 1833 netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n", 1834 ahw->extend_lb_time); 1835 temp = ahw->extend_lb_time * 1000; 1836 *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT; 1837 ahw->extend_lb_time = 0; 1838 } 1839 1840 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) 1841 { 1842 struct qlcnic_hardware_context *ahw = adapter->ahw; 1843 struct net_device *netdev = adapter->netdev; 1844 u32 config, max_wait_count; 1845 int status = 0, loop = 0; 1846 1847 ahw->extend_lb_time = 0; 1848 max_wait_count = QLC_83XX_LB_WAIT_COUNT; 1849 status = qlcnic_83xx_get_port_config(adapter); 1850 if (status) 1851 return status; 1852 1853 config = ahw->port_config; 1854 1855 /* Check if port is already in loopback mode */ 1856 if ((config & QLC_83XX_CFG_LOOPBACK_HSS) || 1857 (config & QLC_83XX_CFG_LOOPBACK_EXT)) { 1858 netdev_err(netdev, 1859 "Port already in Loopback mode.\n"); 1860 return -EINPROGRESS; 1861 } 1862 1863 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1864 1865 if (mode == QLCNIC_ILB_MODE) 1866 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS; 1867 if (mode == QLCNIC_ELB_MODE) 1868 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT; 1869 1870 status = qlcnic_83xx_set_port_config(adapter); 1871 if (status) { 1872 netdev_err(netdev, 1873 "Failed to Set Loopback Mode = 0x%x.\n", 1874 ahw->port_config); 1875 ahw->port_config = config; 1876 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1877 return status; 1878 } 1879 1880 /* Wait for Link and IDC Completion AEN */ 1881 do { 1882 msleep(QLC_83XX_LB_MSLEEP_COUNT); 1883 1884 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { 1885 netdev_info(netdev, 1886 "Device is resetting, free LB test resources\n"); 1887 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1888 return -EBUSY; 1889 } 1890 1891 if (ahw->extend_lb_time) 1892 qlcnic_extend_lb_idc_cmpltn_wait(adapter, 1893 &max_wait_count); 1894 1895 if (loop++ > max_wait_count) { 1896 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", 1897 __func__); 1898 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1899 qlcnic_83xx_clear_lb_mode(adapter, mode); 1900 return -ETIMEDOUT; 1901 } 1902 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); 1903 1904 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, 1905 QLCNIC_MAC_ADD); 1906 return status; 1907 } 1908 1909 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) 1910 { 1911 struct qlcnic_hardware_context *ahw = adapter->ahw; 1912 u32 config = ahw->port_config, max_wait_count; 1913 struct net_device *netdev = adapter->netdev; 1914 int status = 0, loop = 0; 1915 1916 ahw->extend_lb_time = 0; 1917 max_wait_count = QLC_83XX_LB_WAIT_COUNT; 1918 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1919 if (mode == QLCNIC_ILB_MODE) 1920 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS; 1921 if (mode == QLCNIC_ELB_MODE) 1922 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT; 1923 1924 status = qlcnic_83xx_set_port_config(adapter); 1925 if (status) { 1926 netdev_err(netdev, 1927 "Failed to Clear Loopback Mode = 0x%x.\n", 1928 ahw->port_config); 1929 ahw->port_config = config; 1930 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1931 return status; 1932 } 1933 1934 /* Wait for Link and IDC Completion AEN */ 1935 do { 1936 msleep(QLC_83XX_LB_MSLEEP_COUNT); 1937 1938 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { 1939 netdev_info(netdev, 1940 "Device is resetting, free LB test resources\n"); 1941 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1942 return -EBUSY; 1943 } 1944 1945 if (ahw->extend_lb_time) 1946 qlcnic_extend_lb_idc_cmpltn_wait(adapter, 1947 &max_wait_count); 1948 1949 if (loop++ > max_wait_count) { 1950 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", 1951 __func__); 1952 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); 1953 return -ETIMEDOUT; 1954 } 1955 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); 1956 1957 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, 1958 QLCNIC_MAC_DEL); 1959 return status; 1960 } 1961 1962 static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, 1963 u32 *interface_id) 1964 { 1965 if (qlcnic_sriov_pf_check(adapter)) { 1966 qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id); 1967 } else { 1968 if (!qlcnic_sriov_vf_check(adapter)) 1969 *interface_id = adapter->recv_ctx->context_id << 16; 1970 } 1971 } 1972 1973 void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, 1974 int mode) 1975 { 1976 int err; 1977 u32 temp = 0, temp_ip; 1978 struct qlcnic_cmd_args cmd; 1979 1980 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1981 QLCNIC_CMD_CONFIGURE_IP_ADDR); 1982 if (err) 1983 return; 1984 1985 qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp); 1986 1987 if (mode == QLCNIC_IP_UP) 1988 cmd.req.arg[1] = 1 | temp; 1989 else 1990 cmd.req.arg[1] = 2 | temp; 1991 1992 /* 1993 * Adapter needs IP address in network byte order. 1994 * But hardware mailbox registers go through writel(), hence IP address 1995 * gets swapped on big endian architecture. 1996 * To negate swapping of writel() on big endian architecture 1997 * use swab32(value). 1998 */ 1999 2000 temp_ip = swab32(ntohl(ip)); 2001 memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32)); 2002 err = qlcnic_issue_cmd(adapter, &cmd); 2003 if (err != QLCNIC_RCODE_SUCCESS) 2004 dev_err(&adapter->netdev->dev, 2005 "could not notify %s IP 0x%x request\n", 2006 (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip); 2007 2008 qlcnic_free_mbx_args(&cmd); 2009 } 2010 2011 int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode) 2012 { 2013 int err; 2014 u32 temp, arg1; 2015 struct qlcnic_cmd_args cmd; 2016 int lro_bit_mask; 2017 2018 lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0); 2019 2020 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) 2021 return 0; 2022 2023 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO); 2024 if (err) 2025 return err; 2026 2027 temp = adapter->recv_ctx->context_id << 16; 2028 arg1 = lro_bit_mask | temp; 2029 cmd.req.arg[1] = arg1; 2030 2031 err = qlcnic_issue_cmd(adapter, &cmd); 2032 if (err) 2033 dev_info(&adapter->pdev->dev, "LRO config failed\n"); 2034 qlcnic_free_mbx_args(&cmd); 2035 2036 return err; 2037 } 2038 2039 int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable) 2040 { 2041 int err; 2042 u32 word; 2043 struct qlcnic_cmd_args cmd; 2044 const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, 2045 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, 2046 0x255b0ec26d5a56daULL }; 2047 2048 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS); 2049 if (err) 2050 return err; 2051 /* 2052 * RSS request: 2053 * bits 3-0: Rsvd 2054 * 5-4: hash_type_ipv4 2055 * 7-6: hash_type_ipv6 2056 * 8: enable 2057 * 9: use indirection table 2058 * 16-31: indirection table mask 2059 */ 2060 word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | 2061 ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | 2062 ((u32)(enable & 0x1) << 8) | 2063 ((0x7ULL) << 16); 2064 cmd.req.arg[1] = (adapter->recv_ctx->context_id); 2065 cmd.req.arg[2] = word; 2066 memcpy(&cmd.req.arg[4], key, sizeof(key)); 2067 2068 err = qlcnic_issue_cmd(adapter, &cmd); 2069 2070 if (err) 2071 dev_info(&adapter->pdev->dev, "RSS config failed\n"); 2072 qlcnic_free_mbx_args(&cmd); 2073 2074 return err; 2075 2076 } 2077 2078 static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter, 2079 u32 *interface_id) 2080 { 2081 if (qlcnic_sriov_pf_check(adapter)) { 2082 qlcnic_pf_set_interface_id_macaddr(adapter, interface_id); 2083 } else { 2084 if (!qlcnic_sriov_vf_check(adapter)) 2085 *interface_id = adapter->recv_ctx->context_id << 16; 2086 } 2087 } 2088 2089 int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, 2090 u16 vlan_id, u8 op) 2091 { 2092 struct qlcnic_cmd_args *cmd = NULL; 2093 struct qlcnic_macvlan_mbx mv; 2094 u32 *buf, temp = 0; 2095 int err; 2096 2097 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) 2098 return -EIO; 2099 2100 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); 2101 if (!cmd) 2102 return -ENOMEM; 2103 2104 err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN); 2105 if (err) 2106 goto out; 2107 2108 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; 2109 2110 if (vlan_id) 2111 op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? 2112 QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL; 2113 2114 cmd->req.arg[1] = op | (1 << 8); 2115 qlcnic_83xx_set_interface_id_macaddr(adapter, &temp); 2116 cmd->req.arg[1] |= temp; 2117 mv.vlan = vlan_id; 2118 mv.mac_addr0 = addr[0]; 2119 mv.mac_addr1 = addr[1]; 2120 mv.mac_addr2 = addr[2]; 2121 mv.mac_addr3 = addr[3]; 2122 mv.mac_addr4 = addr[4]; 2123 mv.mac_addr5 = addr[5]; 2124 buf = &cmd->req.arg[2]; 2125 memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx)); 2126 err = qlcnic_issue_cmd(adapter, cmd); 2127 if (!err) 2128 return err; 2129 2130 qlcnic_free_mbx_args(cmd); 2131 out: 2132 kfree(cmd); 2133 return err; 2134 } 2135 2136 void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr, 2137 u16 vlan_id) 2138 { 2139 u8 mac[ETH_ALEN]; 2140 memcpy(&mac, addr, ETH_ALEN); 2141 qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD); 2142 } 2143 2144 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac, 2145 u8 type, struct qlcnic_cmd_args *cmd) 2146 { 2147 switch (type) { 2148 case QLCNIC_SET_STATION_MAC: 2149 case QLCNIC_SET_FAC_DEF_MAC: 2150 memcpy(&cmd->req.arg[2], mac, sizeof(u32)); 2151 memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16)); 2152 break; 2153 } 2154 cmd->req.arg[1] = type; 2155 } 2156 2157 int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, 2158 u8 function) 2159 { 2160 int err, i; 2161 struct qlcnic_cmd_args cmd; 2162 u32 mac_low, mac_high; 2163 2164 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS); 2165 if (err) 2166 return err; 2167 2168 qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd); 2169 err = qlcnic_issue_cmd(adapter, &cmd); 2170 2171 if (err == QLCNIC_RCODE_SUCCESS) { 2172 mac_low = cmd.rsp.arg[1]; 2173 mac_high = cmd.rsp.arg[2]; 2174 2175 for (i = 0; i < 2; i++) 2176 mac[i] = (u8) (mac_high >> ((1 - i) * 8)); 2177 for (i = 2; i < 6; i++) 2178 mac[i] = (u8) (mac_low >> ((5 - i) * 8)); 2179 } else { 2180 dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n", 2181 err); 2182 err = -EIO; 2183 } 2184 qlcnic_free_mbx_args(&cmd); 2185 return err; 2186 } 2187 2188 static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter) 2189 { 2190 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; 2191 struct qlcnic_cmd_args cmd; 2192 u16 temp; 2193 int err; 2194 2195 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); 2196 if (err) 2197 return err; 2198 2199 temp = adapter->recv_ctx->context_id; 2200 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16; 2201 temp = coal->rx_time_us; 2202 cmd.req.arg[2] = coal->rx_packets | temp << 16; 2203 cmd.req.arg[3] = coal->flag; 2204 2205 err = qlcnic_issue_cmd(adapter, &cmd); 2206 if (err != QLCNIC_RCODE_SUCCESS) 2207 netdev_err(adapter->netdev, 2208 "failed to set interrupt coalescing parameters\n"); 2209 2210 qlcnic_free_mbx_args(&cmd); 2211 2212 return err; 2213 } 2214 2215 static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter) 2216 { 2217 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; 2218 struct qlcnic_cmd_args cmd; 2219 u16 temp; 2220 int err; 2221 2222 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); 2223 if (err) 2224 return err; 2225 2226 temp = adapter->tx_ring->ctx_id; 2227 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16; 2228 temp = coal->tx_time_us; 2229 cmd.req.arg[2] = coal->tx_packets | temp << 16; 2230 cmd.req.arg[3] = coal->flag; 2231 2232 err = qlcnic_issue_cmd(adapter, &cmd); 2233 if (err != QLCNIC_RCODE_SUCCESS) 2234 netdev_err(adapter->netdev, 2235 "failed to set interrupt coalescing parameters\n"); 2236 2237 qlcnic_free_mbx_args(&cmd); 2238 2239 return err; 2240 } 2241 2242 int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter) 2243 { 2244 int err = 0; 2245 2246 err = qlcnic_83xx_set_rx_intr_coal(adapter); 2247 if (err) 2248 netdev_err(adapter->netdev, 2249 "failed to set Rx coalescing parameters\n"); 2250 2251 err = qlcnic_83xx_set_tx_intr_coal(adapter); 2252 if (err) 2253 netdev_err(adapter->netdev, 2254 "failed to set Tx coalescing parameters\n"); 2255 2256 return err; 2257 } 2258 2259 int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter, 2260 struct ethtool_coalesce *ethcoal) 2261 { 2262 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; 2263 u32 rx_coalesce_usecs, rx_max_frames; 2264 u32 tx_coalesce_usecs, tx_max_frames; 2265 int err; 2266 2267 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) 2268 return -EIO; 2269 2270 tx_coalesce_usecs = ethcoal->tx_coalesce_usecs; 2271 tx_max_frames = ethcoal->tx_max_coalesced_frames; 2272 rx_coalesce_usecs = ethcoal->rx_coalesce_usecs; 2273 rx_max_frames = ethcoal->rx_max_coalesced_frames; 2274 coal->flag = QLCNIC_INTR_DEFAULT; 2275 2276 if ((coal->rx_time_us == rx_coalesce_usecs) && 2277 (coal->rx_packets == rx_max_frames)) { 2278 coal->type = QLCNIC_INTR_COAL_TYPE_TX; 2279 coal->tx_time_us = tx_coalesce_usecs; 2280 coal->tx_packets = tx_max_frames; 2281 } else if ((coal->tx_time_us == tx_coalesce_usecs) && 2282 (coal->tx_packets == tx_max_frames)) { 2283 coal->type = QLCNIC_INTR_COAL_TYPE_RX; 2284 coal->rx_time_us = rx_coalesce_usecs; 2285 coal->rx_packets = rx_max_frames; 2286 } else { 2287 coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2288 coal->rx_time_us = rx_coalesce_usecs; 2289 coal->rx_packets = rx_max_frames; 2290 coal->tx_time_us = tx_coalesce_usecs; 2291 coal->tx_packets = tx_max_frames; 2292 } 2293 2294 switch (coal->type) { 2295 case QLCNIC_INTR_COAL_TYPE_RX: 2296 err = qlcnic_83xx_set_rx_intr_coal(adapter); 2297 break; 2298 case QLCNIC_INTR_COAL_TYPE_TX: 2299 err = qlcnic_83xx_set_tx_intr_coal(adapter); 2300 break; 2301 case QLCNIC_INTR_COAL_TYPE_RX_TX: 2302 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 2303 break; 2304 default: 2305 err = -EINVAL; 2306 netdev_err(adapter->netdev, 2307 "Invalid Interrupt coalescing type\n"); 2308 break; 2309 } 2310 2311 return err; 2312 } 2313 2314 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, 2315 u32 data[]) 2316 { 2317 struct qlcnic_hardware_context *ahw = adapter->ahw; 2318 u8 link_status, duplex; 2319 /* link speed */ 2320 link_status = LSB(data[3]) & 1; 2321 if (link_status) { 2322 ahw->link_speed = MSW(data[2]); 2323 duplex = LSB(MSW(data[3])); 2324 if (duplex) 2325 ahw->link_duplex = DUPLEX_FULL; 2326 else 2327 ahw->link_duplex = DUPLEX_HALF; 2328 } else { 2329 ahw->link_speed = SPEED_UNKNOWN; 2330 ahw->link_duplex = DUPLEX_UNKNOWN; 2331 } 2332 2333 ahw->link_autoneg = MSB(MSW(data[3])); 2334 ahw->module_type = MSB(LSW(data[3])); 2335 ahw->has_link_events = 1; 2336 ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK; 2337 qlcnic_advert_link_change(adapter, link_status); 2338 } 2339 2340 static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data) 2341 { 2342 u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; 2343 struct qlcnic_adapter *adapter = data; 2344 struct qlcnic_mailbox *mbx; 2345 unsigned long flags; 2346 2347 mbx = adapter->ahw->mailbox; 2348 spin_lock_irqsave(&mbx->aen_lock, flags); 2349 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); 2350 if (!(resp & QLCNIC_SET_OWNER)) 2351 goto out; 2352 2353 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); 2354 if (event & QLCNIC_MBX_ASYNC_EVENT) { 2355 __qlcnic_83xx_process_aen(adapter); 2356 } else { 2357 if (mbx->rsp_status != rsp_status) 2358 qlcnic_83xx_notify_mbx_response(mbx); 2359 else 2360 adapter->stats.mbx_spurious_intr++; 2361 } 2362 2363 out: 2364 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); 2365 writel(0, adapter->ahw->pci_base0 + mask); 2366 spin_unlock_irqrestore(&mbx->aen_lock, flags); 2367 return IRQ_HANDLED; 2368 } 2369 2370 int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter, 2371 struct qlcnic_info *nic) 2372 { 2373 int i, err = -EIO; 2374 struct qlcnic_cmd_args cmd; 2375 2376 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 2377 dev_err(&adapter->pdev->dev, 2378 "%s: Error, invoked by non management func\n", 2379 __func__); 2380 return err; 2381 } 2382 2383 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); 2384 if (err) 2385 return err; 2386 2387 cmd.req.arg[1] = (nic->pci_func << 16); 2388 cmd.req.arg[2] = 0x1 << 16; 2389 cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16); 2390 cmd.req.arg[4] = nic->capabilities; 2391 cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16); 2392 cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16); 2393 cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16); 2394 for (i = 8; i < 32; i++) 2395 cmd.req.arg[i] = 0; 2396 2397 err = qlcnic_issue_cmd(adapter, &cmd); 2398 2399 if (err != QLCNIC_RCODE_SUCCESS) { 2400 dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n", 2401 err); 2402 err = -EIO; 2403 } 2404 2405 qlcnic_free_mbx_args(&cmd); 2406 2407 return err; 2408 } 2409 2410 int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter, 2411 struct qlcnic_info *npar_info, u8 func_id) 2412 { 2413 int err; 2414 u32 temp; 2415 u8 op = 0; 2416 struct qlcnic_cmd_args cmd; 2417 struct qlcnic_hardware_context *ahw = adapter->ahw; 2418 2419 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); 2420 if (err) 2421 return err; 2422 2423 if (func_id != ahw->pci_func) { 2424 temp = func_id << 16; 2425 cmd.req.arg[1] = op | BIT_31 | temp; 2426 } else { 2427 cmd.req.arg[1] = ahw->pci_func << 16; 2428 } 2429 err = qlcnic_issue_cmd(adapter, &cmd); 2430 if (err) { 2431 dev_info(&adapter->pdev->dev, 2432 "Failed to get nic info %d\n", err); 2433 goto out; 2434 } 2435 2436 npar_info->op_type = cmd.rsp.arg[1]; 2437 npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF; 2438 npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16; 2439 npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF; 2440 npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16; 2441 npar_info->capabilities = cmd.rsp.arg[4]; 2442 npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF; 2443 npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16; 2444 npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF; 2445 npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16; 2446 npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF; 2447 npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16; 2448 if (cmd.rsp.arg[8] & 0x1) 2449 npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1; 2450 if (cmd.rsp.arg[8] & 0x10000) { 2451 temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17; 2452 npar_info->max_linkspeed_reg_offset = temp; 2453 } 2454 2455 memcpy(ahw->extra_capability, &cmd.rsp.arg[16], 2456 sizeof(ahw->extra_capability)); 2457 2458 out: 2459 qlcnic_free_mbx_args(&cmd); 2460 return err; 2461 } 2462 2463 int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type, 2464 u16 *nic, u16 *fcoe, u16 *iscsi) 2465 { 2466 struct device *dev = &adapter->pdev->dev; 2467 int err = 0; 2468 2469 switch (type) { 2470 case QLCNIC_TYPE_NIC: 2471 (*nic)++; 2472 break; 2473 case QLCNIC_TYPE_FCOE: 2474 (*fcoe)++; 2475 break; 2476 case QLCNIC_TYPE_ISCSI: 2477 (*iscsi)++; 2478 break; 2479 default: 2480 dev_err(dev, "%s: Unknown PCI type[%x]\n", 2481 __func__, type); 2482 err = -EIO; 2483 } 2484 2485 return err; 2486 } 2487 2488 int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, 2489 struct qlcnic_pci_info *pci_info) 2490 { 2491 struct qlcnic_hardware_context *ahw = adapter->ahw; 2492 struct device *dev = &adapter->pdev->dev; 2493 u16 nic = 0, fcoe = 0, iscsi = 0; 2494 struct qlcnic_cmd_args cmd; 2495 int i, err = 0, j = 0; 2496 u32 temp; 2497 2498 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO); 2499 if (err) 2500 return err; 2501 2502 err = qlcnic_issue_cmd(adapter, &cmd); 2503 2504 ahw->total_nic_func = 0; 2505 if (err == QLCNIC_RCODE_SUCCESS) { 2506 ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF; 2507 for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) { 2508 pci_info->id = cmd.rsp.arg[i] & 0xFFFF; 2509 pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; 2510 i++; 2511 if (!pci_info->active) { 2512 i += QLC_SKIP_INACTIVE_PCI_REGS; 2513 continue; 2514 } 2515 pci_info->type = cmd.rsp.arg[i] & 0xFFFF; 2516 err = qlcnic_get_pci_func_type(adapter, pci_info->type, 2517 &nic, &fcoe, &iscsi); 2518 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; 2519 pci_info->default_port = temp; 2520 i++; 2521 pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF; 2522 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; 2523 pci_info->tx_max_bw = temp; 2524 i = i + 2; 2525 memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2); 2526 i++; 2527 memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2); 2528 i = i + 3; 2529 } 2530 } else { 2531 dev_err(dev, "Failed to get PCI Info, error = %d\n", err); 2532 err = -EIO; 2533 } 2534 2535 ahw->total_nic_func = nic; 2536 ahw->total_pci_func = nic + fcoe + iscsi; 2537 if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { 2538 dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", 2539 __func__, ahw->total_nic_func, ahw->total_pci_func); 2540 err = -EIO; 2541 } 2542 qlcnic_free_mbx_args(&cmd); 2543 2544 return err; 2545 } 2546 2547 int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type) 2548 { 2549 int i, index, err; 2550 u8 max_ints; 2551 u32 val, temp, type; 2552 struct qlcnic_cmd_args cmd; 2553 2554 max_ints = adapter->ahw->num_msix - 1; 2555 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT); 2556 if (err) 2557 return err; 2558 2559 cmd.req.arg[1] = max_ints; 2560 2561 if (qlcnic_sriov_vf_check(adapter)) 2562 cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16; 2563 2564 for (i = 0, index = 2; i < max_ints; i++) { 2565 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; 2566 val = type | (adapter->ahw->intr_tbl[i].type << 4); 2567 if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) 2568 val |= (adapter->ahw->intr_tbl[i].id << 16); 2569 cmd.req.arg[index++] = val; 2570 } 2571 err = qlcnic_issue_cmd(adapter, &cmd); 2572 if (err) { 2573 dev_err(&adapter->pdev->dev, 2574 "Failed to configure interrupts 0x%x\n", err); 2575 goto out; 2576 } 2577 2578 max_ints = cmd.rsp.arg[1]; 2579 for (i = 0, index = 2; i < max_ints; i++, index += 2) { 2580 val = cmd.rsp.arg[index]; 2581 if (LSB(val)) { 2582 dev_info(&adapter->pdev->dev, 2583 "Can't configure interrupt %d\n", 2584 adapter->ahw->intr_tbl[i].id); 2585 continue; 2586 } 2587 if (op_type) { 2588 adapter->ahw->intr_tbl[i].id = MSW(val); 2589 adapter->ahw->intr_tbl[i].enabled = 1; 2590 temp = cmd.rsp.arg[index + 1]; 2591 adapter->ahw->intr_tbl[i].src = temp; 2592 } else { 2593 adapter->ahw->intr_tbl[i].id = i; 2594 adapter->ahw->intr_tbl[i].enabled = 0; 2595 adapter->ahw->intr_tbl[i].src = 0; 2596 } 2597 } 2598 out: 2599 qlcnic_free_mbx_args(&cmd); 2600 return err; 2601 } 2602 2603 int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter) 2604 { 2605 int id, timeout = 0; 2606 u32 status = 0; 2607 2608 while (status == 0) { 2609 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK); 2610 if (status) 2611 break; 2612 2613 if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) { 2614 id = QLC_SHARED_REG_RD32(adapter, 2615 QLCNIC_FLASH_LOCK_OWNER); 2616 dev_err(&adapter->pdev->dev, 2617 "%s: failed, lock held by %d\n", __func__, id); 2618 return -EIO; 2619 } 2620 usleep_range(1000, 2000); 2621 } 2622 2623 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum); 2624 return 0; 2625 } 2626 2627 void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter) 2628 { 2629 QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK); 2630 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF); 2631 } 2632 2633 int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, 2634 u32 flash_addr, u8 *p_data, 2635 int count) 2636 { 2637 u32 word, range, flash_offset, addr = flash_addr, ret; 2638 ulong indirect_add, direct_window; 2639 int i, err = 0; 2640 2641 flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1); 2642 if (addr & 0x3) { 2643 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); 2644 return -EIO; 2645 } 2646 2647 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW, 2648 (addr & 0xFFFF0000)); 2649 2650 range = flash_offset + (count * sizeof(u32)); 2651 /* Check if data is spread across multiple sectors */ 2652 if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { 2653 2654 /* Multi sector read */ 2655 for (i = 0; i < count; i++) { 2656 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); 2657 ret = QLCRD32(adapter, indirect_add, &err); 2658 if (err == -EIO) 2659 return err; 2660 2661 word = ret; 2662 *(u32 *)p_data = word; 2663 p_data = p_data + 4; 2664 addr = addr + 4; 2665 flash_offset = flash_offset + 4; 2666 2667 if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { 2668 direct_window = QLC_83XX_FLASH_DIRECT_WINDOW; 2669 /* This write is needed once for each sector */ 2670 qlcnic_83xx_wrt_reg_indirect(adapter, 2671 direct_window, 2672 (addr)); 2673 flash_offset = 0; 2674 } 2675 } 2676 } else { 2677 /* Single sector read */ 2678 for (i = 0; i < count; i++) { 2679 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); 2680 ret = QLCRD32(adapter, indirect_add, &err); 2681 if (err == -EIO) 2682 return err; 2683 2684 word = ret; 2685 *(u32 *)p_data = word; 2686 p_data = p_data + 4; 2687 addr = addr + 4; 2688 } 2689 } 2690 2691 return 0; 2692 } 2693 2694 static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter) 2695 { 2696 u32 status; 2697 int retries = QLC_83XX_FLASH_READ_RETRY_COUNT; 2698 int err = 0; 2699 2700 do { 2701 status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err); 2702 if (err == -EIO) 2703 return err; 2704 2705 if ((status & QLC_83XX_FLASH_STATUS_READY) == 2706 QLC_83XX_FLASH_STATUS_READY) 2707 break; 2708 2709 usleep_range(1000, 1100); 2710 } while (--retries); 2711 2712 if (!retries) 2713 return -EIO; 2714 2715 return 0; 2716 } 2717 2718 int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter) 2719 { 2720 int ret; 2721 u32 cmd; 2722 cmd = adapter->ahw->fdt.write_statusreg_cmd; 2723 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2724 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd)); 2725 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, 2726 adapter->ahw->fdt.write_enable_bits); 2727 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2728 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); 2729 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2730 if (ret) 2731 return -EIO; 2732 2733 return 0; 2734 } 2735 2736 int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter) 2737 { 2738 int ret; 2739 2740 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2741 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | 2742 adapter->ahw->fdt.write_statusreg_cmd)); 2743 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, 2744 adapter->ahw->fdt.write_disable_bits); 2745 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2746 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); 2747 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2748 if (ret) 2749 return -EIO; 2750 2751 return 0; 2752 } 2753 2754 int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) 2755 { 2756 int ret, err = 0; 2757 u32 mfg_id; 2758 2759 if (qlcnic_83xx_lock_flash(adapter)) 2760 return -EIO; 2761 2762 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2763 QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL); 2764 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2765 QLC_83XX_FLASH_READ_CTRL); 2766 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2767 if (ret) { 2768 qlcnic_83xx_unlock_flash(adapter); 2769 return -EIO; 2770 } 2771 2772 mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); 2773 if (err == -EIO) { 2774 qlcnic_83xx_unlock_flash(adapter); 2775 return err; 2776 } 2777 2778 adapter->flash_mfg_id = (mfg_id & 0xFF); 2779 qlcnic_83xx_unlock_flash(adapter); 2780 2781 return 0; 2782 } 2783 2784 int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter) 2785 { 2786 int count, fdt_size, ret = 0; 2787 2788 fdt_size = sizeof(struct qlcnic_fdt); 2789 count = fdt_size / sizeof(u32); 2790 2791 if (qlcnic_83xx_lock_flash(adapter)) 2792 return -EIO; 2793 2794 memset(&adapter->ahw->fdt, 0, fdt_size); 2795 ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION, 2796 (u8 *)&adapter->ahw->fdt, 2797 count); 2798 qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count); 2799 qlcnic_83xx_unlock_flash(adapter); 2800 return ret; 2801 } 2802 2803 int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter, 2804 u32 sector_start_addr) 2805 { 2806 u32 reversed_addr, addr1, addr2, cmd; 2807 int ret = -EIO; 2808 2809 if (qlcnic_83xx_lock_flash(adapter) != 0) 2810 return -EIO; 2811 2812 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { 2813 ret = qlcnic_83xx_enable_flash_write(adapter); 2814 if (ret) { 2815 qlcnic_83xx_unlock_flash(adapter); 2816 dev_err(&adapter->pdev->dev, 2817 "%s failed at %d\n", 2818 __func__, __LINE__); 2819 return ret; 2820 } 2821 } 2822 2823 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2824 if (ret) { 2825 qlcnic_83xx_unlock_flash(adapter); 2826 dev_err(&adapter->pdev->dev, 2827 "%s: failed at %d\n", __func__, __LINE__); 2828 return -EIO; 2829 } 2830 2831 addr1 = (sector_start_addr & 0xFF) << 16; 2832 addr2 = (sector_start_addr & 0xFF0000) >> 16; 2833 reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00); 2834 2835 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, 2836 reversed_addr); 2837 cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd; 2838 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) 2839 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd); 2840 else 2841 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2842 QLC_83XX_FLASH_OEM_ERASE_SIG); 2843 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2844 QLC_83XX_FLASH_LAST_ERASE_MS_VAL); 2845 2846 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2847 if (ret) { 2848 qlcnic_83xx_unlock_flash(adapter); 2849 dev_err(&adapter->pdev->dev, 2850 "%s: failed at %d\n", __func__, __LINE__); 2851 return -EIO; 2852 } 2853 2854 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { 2855 ret = qlcnic_83xx_disable_flash_write(adapter); 2856 if (ret) { 2857 qlcnic_83xx_unlock_flash(adapter); 2858 dev_err(&adapter->pdev->dev, 2859 "%s: failed at %d\n", __func__, __LINE__); 2860 return ret; 2861 } 2862 } 2863 2864 qlcnic_83xx_unlock_flash(adapter); 2865 2866 return 0; 2867 } 2868 2869 int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr, 2870 u32 *p_data) 2871 { 2872 int ret = -EIO; 2873 u32 addr1 = 0x00800000 | (addr >> 2); 2874 2875 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1); 2876 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data); 2877 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2878 QLC_83XX_FLASH_LAST_ERASE_MS_VAL); 2879 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2880 if (ret) { 2881 dev_err(&adapter->pdev->dev, 2882 "%s: failed at %d\n", __func__, __LINE__); 2883 return -EIO; 2884 } 2885 2886 return 0; 2887 } 2888 2889 int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, 2890 u32 *p_data, int count) 2891 { 2892 u32 temp; 2893 int ret = -EIO, err = 0; 2894 2895 if ((count < QLC_83XX_FLASH_WRITE_MIN) || 2896 (count > QLC_83XX_FLASH_WRITE_MAX)) { 2897 dev_err(&adapter->pdev->dev, 2898 "%s: Invalid word count\n", __func__); 2899 return -EIO; 2900 } 2901 2902 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); 2903 if (err == -EIO) 2904 return err; 2905 2906 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, 2907 (temp | QLC_83XX_FLASH_SPI_CTRL)); 2908 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2909 QLC_83XX_FLASH_ADDR_TEMP_VAL); 2910 2911 /* First DWORD write */ 2912 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); 2913 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2914 QLC_83XX_FLASH_FIRST_MS_PATTERN); 2915 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2916 if (ret) { 2917 dev_err(&adapter->pdev->dev, 2918 "%s: failed at %d\n", __func__, __LINE__); 2919 return -EIO; 2920 } 2921 2922 count--; 2923 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2924 QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL); 2925 /* Second to N-1 DWORD writes */ 2926 while (count != 1) { 2927 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, 2928 *p_data++); 2929 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2930 QLC_83XX_FLASH_SECOND_MS_PATTERN); 2931 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2932 if (ret) { 2933 dev_err(&adapter->pdev->dev, 2934 "%s: failed at %d\n", __func__, __LINE__); 2935 return -EIO; 2936 } 2937 count--; 2938 } 2939 2940 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 2941 QLC_83XX_FLASH_ADDR_TEMP_VAL | 2942 (addr >> 2)); 2943 /* Last DWORD write */ 2944 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); 2945 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 2946 QLC_83XX_FLASH_LAST_MS_PATTERN); 2947 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 2948 if (ret) { 2949 dev_err(&adapter->pdev->dev, 2950 "%s: failed at %d\n", __func__, __LINE__); 2951 return -EIO; 2952 } 2953 2954 ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err); 2955 if (err == -EIO) 2956 return err; 2957 2958 if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) { 2959 dev_err(&adapter->pdev->dev, "%s: failed at %d\n", 2960 __func__, __LINE__); 2961 /* Operation failed, clear error bit */ 2962 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); 2963 if (err == -EIO) 2964 return err; 2965 2966 qlcnic_83xx_wrt_reg_indirect(adapter, 2967 QLC_83XX_FLASH_SPI_CONTROL, 2968 (temp | QLC_83XX_FLASH_SPI_CTRL)); 2969 } 2970 2971 return 0; 2972 } 2973 2974 static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter) 2975 { 2976 u32 val, id; 2977 2978 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); 2979 2980 /* Check if recovery need to be performed by the calling function */ 2981 if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) { 2982 val = val & ~0x3F; 2983 val = val | ((adapter->portnum << 2) | 2984 QLC_83XX_NEED_DRV_LOCK_RECOVERY); 2985 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); 2986 dev_info(&adapter->pdev->dev, 2987 "%s: lock recovery initiated\n", __func__); 2988 msleep(QLC_83XX_DRV_LOCK_RECOVERY_DELAY); 2989 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); 2990 id = ((val >> 2) & 0xF); 2991 if (id == adapter->portnum) { 2992 val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK; 2993 val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS; 2994 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); 2995 /* Force release the lock */ 2996 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); 2997 /* Clear recovery bits */ 2998 val = val & ~0x3F; 2999 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); 3000 dev_info(&adapter->pdev->dev, 3001 "%s: lock recovery completed\n", __func__); 3002 } else { 3003 dev_info(&adapter->pdev->dev, 3004 "%s: func %d to resume lock recovery process\n", 3005 __func__, id); 3006 } 3007 } else { 3008 dev_info(&adapter->pdev->dev, 3009 "%s: lock recovery initiated by other functions\n", 3010 __func__); 3011 } 3012 } 3013 3014 int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter) 3015 { 3016 u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0; 3017 int max_attempt = 0; 3018 3019 while (status == 0) { 3020 status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK); 3021 if (status) 3022 break; 3023 3024 msleep(QLC_83XX_DRV_LOCK_WAIT_DELAY); 3025 i++; 3026 3027 if (i == 1) 3028 temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); 3029 3030 if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) { 3031 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); 3032 if (val == temp) { 3033 id = val & 0xFF; 3034 dev_info(&adapter->pdev->dev, 3035 "%s: lock to be recovered from %d\n", 3036 __func__, id); 3037 qlcnic_83xx_recover_driver_lock(adapter); 3038 i = 0; 3039 max_attempt++; 3040 } else { 3041 dev_err(&adapter->pdev->dev, 3042 "%s: failed to get lock\n", __func__); 3043 return -EIO; 3044 } 3045 } 3046 3047 /* Force exit from while loop after few attempts */ 3048 if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) { 3049 dev_err(&adapter->pdev->dev, 3050 "%s: failed to get lock\n", __func__); 3051 return -EIO; 3052 } 3053 } 3054 3055 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); 3056 lock_alive_counter = val >> 8; 3057 lock_alive_counter++; 3058 val = lock_alive_counter << 8 | adapter->portnum; 3059 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); 3060 3061 return 0; 3062 } 3063 3064 void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter) 3065 { 3066 u32 val, lock_alive_counter, id; 3067 3068 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); 3069 id = val & 0xFF; 3070 lock_alive_counter = val >> 8; 3071 3072 if (id != adapter->portnum) 3073 dev_err(&adapter->pdev->dev, 3074 "%s:Warning func %d is unlocking lock owned by %d\n", 3075 __func__, adapter->portnum, id); 3076 3077 val = (lock_alive_counter << 8) | 0xFF; 3078 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); 3079 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); 3080 } 3081 3082 int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, 3083 u32 *data, u32 count) 3084 { 3085 int i, j, ret = 0; 3086 u32 temp; 3087 3088 /* Check alignment */ 3089 if (addr & 0xF) 3090 return -EIO; 3091 3092 mutex_lock(&adapter->ahw->mem_lock); 3093 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0); 3094 3095 for (i = 0; i < count; i++, addr += 16) { 3096 if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET, 3097 QLCNIC_ADDR_QDR_NET_MAX)) || 3098 (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET, 3099 QLCNIC_ADDR_DDR_NET_MAX)))) { 3100 mutex_unlock(&adapter->ahw->mem_lock); 3101 return -EIO; 3102 } 3103 3104 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr); 3105 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++); 3106 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++); 3107 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++); 3108 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++); 3109 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE); 3110 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START); 3111 3112 for (j = 0; j < MAX_CTL_CHECK; j++) { 3113 temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL); 3114 3115 if ((temp & TA_CTL_BUSY) == 0) 3116 break; 3117 } 3118 3119 /* Status check failure */ 3120 if (j >= MAX_CTL_CHECK) { 3121 printk_ratelimited(KERN_WARNING 3122 "MS memory write failed\n"); 3123 mutex_unlock(&adapter->ahw->mem_lock); 3124 return -EIO; 3125 } 3126 } 3127 3128 mutex_unlock(&adapter->ahw->mem_lock); 3129 3130 return ret; 3131 } 3132 3133 int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, 3134 u8 *p_data, int count) 3135 { 3136 u32 word, addr = flash_addr, ret; 3137 ulong indirect_addr; 3138 int i, err = 0; 3139 3140 if (qlcnic_83xx_lock_flash(adapter) != 0) 3141 return -EIO; 3142 3143 if (addr & 0x3) { 3144 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); 3145 qlcnic_83xx_unlock_flash(adapter); 3146 return -EIO; 3147 } 3148 3149 for (i = 0; i < count; i++) { 3150 if (qlcnic_83xx_wrt_reg_indirect(adapter, 3151 QLC_83XX_FLASH_DIRECT_WINDOW, 3152 (addr))) { 3153 qlcnic_83xx_unlock_flash(adapter); 3154 return -EIO; 3155 } 3156 3157 indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr); 3158 ret = QLCRD32(adapter, indirect_addr, &err); 3159 if (err == -EIO) 3160 return err; 3161 3162 word = ret; 3163 *(u32 *)p_data = word; 3164 p_data = p_data + 4; 3165 addr = addr + 4; 3166 } 3167 3168 qlcnic_83xx_unlock_flash(adapter); 3169 3170 return 0; 3171 } 3172 3173 void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter) 3174 { 3175 struct qlcnic_hardware_context *ahw = adapter->ahw; 3176 struct qlcnic_cmd_args cmd; 3177 u32 config; 3178 int err; 3179 3180 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); 3181 if (err) 3182 return; 3183 3184 err = qlcnic_issue_cmd(adapter, &cmd); 3185 if (err) { 3186 dev_info(&adapter->pdev->dev, 3187 "Get Link Status Command failed: 0x%x\n", err); 3188 goto out; 3189 } else { 3190 config = cmd.rsp.arg[3]; 3191 3192 switch (QLC_83XX_SFP_MODULE_TYPE(config)) { 3193 case QLC_83XX_MODULE_FIBRE_1000BASE_SX: 3194 case QLC_83XX_MODULE_FIBRE_1000BASE_LX: 3195 case QLC_83XX_MODULE_FIBRE_1000BASE_CX: 3196 case QLC_83XX_MODULE_TP_1000BASE_T: 3197 ahw->port_type = QLCNIC_GBE; 3198 break; 3199 default: 3200 ahw->port_type = QLCNIC_XGBE; 3201 } 3202 } 3203 out: 3204 qlcnic_free_mbx_args(&cmd); 3205 } 3206 3207 int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter) 3208 { 3209 u8 pci_func; 3210 int err; 3211 u32 config = 0, state; 3212 struct qlcnic_cmd_args cmd; 3213 struct qlcnic_hardware_context *ahw = adapter->ahw; 3214 3215 if (qlcnic_sriov_vf_check(adapter)) 3216 pci_func = adapter->portnum; 3217 else 3218 pci_func = ahw->pci_func; 3219 3220 state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func)); 3221 if (!QLC_83xx_FUNC_VAL(state, pci_func)) { 3222 dev_info(&adapter->pdev->dev, "link state down\n"); 3223 return config; 3224 } 3225 3226 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); 3227 if (err) 3228 return err; 3229 3230 err = qlcnic_issue_cmd(adapter, &cmd); 3231 if (err) { 3232 dev_info(&adapter->pdev->dev, 3233 "Get Link Status Command failed: 0x%x\n", err); 3234 goto out; 3235 } else { 3236 config = cmd.rsp.arg[1]; 3237 switch (QLC_83XX_CURRENT_LINK_SPEED(config)) { 3238 case QLC_83XX_10M_LINK: 3239 ahw->link_speed = SPEED_10; 3240 break; 3241 case QLC_83XX_100M_LINK: 3242 ahw->link_speed = SPEED_100; 3243 break; 3244 case QLC_83XX_1G_LINK: 3245 ahw->link_speed = SPEED_1000; 3246 break; 3247 case QLC_83XX_10G_LINK: 3248 ahw->link_speed = SPEED_10000; 3249 break; 3250 default: 3251 ahw->link_speed = 0; 3252 break; 3253 } 3254 config = cmd.rsp.arg[3]; 3255 switch (QLC_83XX_SFP_MODULE_TYPE(config)) { 3256 case QLC_83XX_MODULE_FIBRE_10GBASE_LRM: 3257 case QLC_83XX_MODULE_FIBRE_10GBASE_LR: 3258 case QLC_83XX_MODULE_FIBRE_10GBASE_SR: 3259 ahw->supported_type = PORT_FIBRE; 3260 ahw->port_type = QLCNIC_XGBE; 3261 break; 3262 case QLC_83XX_MODULE_FIBRE_1000BASE_SX: 3263 case QLC_83XX_MODULE_FIBRE_1000BASE_LX: 3264 case QLC_83XX_MODULE_FIBRE_1000BASE_CX: 3265 ahw->supported_type = PORT_FIBRE; 3266 ahw->port_type = QLCNIC_GBE; 3267 break; 3268 case QLC_83XX_MODULE_TP_1000BASE_T: 3269 ahw->supported_type = PORT_TP; 3270 ahw->port_type = QLCNIC_GBE; 3271 break; 3272 case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP: 3273 case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP: 3274 case QLC_83XX_MODULE_DA_10GE_LEGACY_CP: 3275 case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP: 3276 ahw->supported_type = PORT_DA; 3277 ahw->port_type = QLCNIC_XGBE; 3278 break; 3279 default: 3280 ahw->supported_type = PORT_OTHER; 3281 ahw->port_type = QLCNIC_XGBE; 3282 } 3283 if (config & 1) 3284 err = 1; 3285 } 3286 out: 3287 qlcnic_free_mbx_args(&cmd); 3288 return config; 3289 } 3290 3291 int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter, 3292 struct ethtool_link_ksettings *ecmd) 3293 { 3294 struct qlcnic_hardware_context *ahw = adapter->ahw; 3295 u32 config = 0; 3296 int status = 0; 3297 u32 supported, advertising; 3298 3299 if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3300 /* Get port configuration info */ 3301 status = qlcnic_83xx_get_port_info(adapter); 3302 /* Get Link Status related info */ 3303 config = qlcnic_83xx_test_link(adapter); 3304 ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config); 3305 } 3306 3307 /* hard code until there is a way to get it from flash */ 3308 ahw->board_type = QLCNIC_BRDTYPE_83XX_10G; 3309 3310 if (netif_running(adapter->netdev) && ahw->has_link_events) { 3311 ecmd->base.speed = ahw->link_speed; 3312 ecmd->base.duplex = ahw->link_duplex; 3313 ecmd->base.autoneg = ahw->link_autoneg; 3314 } else { 3315 ecmd->base.speed = SPEED_UNKNOWN; 3316 ecmd->base.duplex = DUPLEX_UNKNOWN; 3317 ecmd->base.autoneg = AUTONEG_DISABLE; 3318 } 3319 3320 supported = (SUPPORTED_10baseT_Full | 3321 SUPPORTED_100baseT_Full | 3322 SUPPORTED_1000baseT_Full | 3323 SUPPORTED_10000baseT_Full | 3324 SUPPORTED_Autoneg); 3325 3326 ethtool_convert_link_mode_to_legacy_u32(&advertising, 3327 ecmd->link_modes.advertising); 3328 3329 if (ecmd->base.autoneg == AUTONEG_ENABLE) { 3330 if (ahw->port_config & QLC_83XX_10_CAPABLE) 3331 advertising |= SUPPORTED_10baseT_Full; 3332 if (ahw->port_config & QLC_83XX_100_CAPABLE) 3333 advertising |= SUPPORTED_100baseT_Full; 3334 if (ahw->port_config & QLC_83XX_1G_CAPABLE) 3335 advertising |= SUPPORTED_1000baseT_Full; 3336 if (ahw->port_config & QLC_83XX_10G_CAPABLE) 3337 advertising |= SUPPORTED_10000baseT_Full; 3338 if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE) 3339 advertising |= ADVERTISED_Autoneg; 3340 } else { 3341 switch (ahw->link_speed) { 3342 case SPEED_10: 3343 advertising = SUPPORTED_10baseT_Full; 3344 break; 3345 case SPEED_100: 3346 advertising = SUPPORTED_100baseT_Full; 3347 break; 3348 case SPEED_1000: 3349 advertising = SUPPORTED_1000baseT_Full; 3350 break; 3351 case SPEED_10000: 3352 advertising = SUPPORTED_10000baseT_Full; 3353 break; 3354 default: 3355 break; 3356 } 3357 3358 } 3359 3360 switch (ahw->supported_type) { 3361 case PORT_FIBRE: 3362 supported |= SUPPORTED_FIBRE; 3363 advertising |= ADVERTISED_FIBRE; 3364 ecmd->base.port = PORT_FIBRE; 3365 break; 3366 case PORT_TP: 3367 supported |= SUPPORTED_TP; 3368 advertising |= ADVERTISED_TP; 3369 ecmd->base.port = PORT_TP; 3370 break; 3371 case PORT_DA: 3372 supported |= SUPPORTED_FIBRE; 3373 advertising |= ADVERTISED_FIBRE; 3374 ecmd->base.port = PORT_DA; 3375 break; 3376 default: 3377 supported |= SUPPORTED_FIBRE; 3378 advertising |= ADVERTISED_FIBRE; 3379 ecmd->base.port = PORT_OTHER; 3380 break; 3381 } 3382 ecmd->base.phy_address = ahw->physical_port; 3383 3384 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, 3385 supported); 3386 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, 3387 advertising); 3388 3389 return status; 3390 } 3391 3392 int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter, 3393 const struct ethtool_link_ksettings *ecmd) 3394 { 3395 struct qlcnic_hardware_context *ahw = adapter->ahw; 3396 u32 config = adapter->ahw->port_config; 3397 int status = 0; 3398 3399 /* 83xx devices do not support Half duplex */ 3400 if (ecmd->base.duplex == DUPLEX_HALF) { 3401 netdev_info(adapter->netdev, 3402 "Half duplex mode not supported\n"); 3403 return -EINVAL; 3404 } 3405 3406 if (ecmd->base.autoneg) { 3407 ahw->port_config |= QLC_83XX_AUTONEG_ENABLE; 3408 ahw->port_config |= (QLC_83XX_100_CAPABLE | 3409 QLC_83XX_1G_CAPABLE | 3410 QLC_83XX_10G_CAPABLE); 3411 } else { /* force speed */ 3412 ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE; 3413 switch (ecmd->base.speed) { 3414 case SPEED_10: 3415 ahw->port_config &= ~(QLC_83XX_100_CAPABLE | 3416 QLC_83XX_1G_CAPABLE | 3417 QLC_83XX_10G_CAPABLE); 3418 ahw->port_config |= QLC_83XX_10_CAPABLE; 3419 break; 3420 case SPEED_100: 3421 ahw->port_config &= ~(QLC_83XX_10_CAPABLE | 3422 QLC_83XX_1G_CAPABLE | 3423 QLC_83XX_10G_CAPABLE); 3424 ahw->port_config |= QLC_83XX_100_CAPABLE; 3425 break; 3426 case SPEED_1000: 3427 ahw->port_config &= ~(QLC_83XX_10_CAPABLE | 3428 QLC_83XX_100_CAPABLE | 3429 QLC_83XX_10G_CAPABLE); 3430 ahw->port_config |= QLC_83XX_1G_CAPABLE; 3431 break; 3432 case SPEED_10000: 3433 ahw->port_config &= ~(QLC_83XX_10_CAPABLE | 3434 QLC_83XX_100_CAPABLE | 3435 QLC_83XX_1G_CAPABLE); 3436 ahw->port_config |= QLC_83XX_10G_CAPABLE; 3437 break; 3438 default: 3439 return -EINVAL; 3440 } 3441 } 3442 status = qlcnic_83xx_set_port_config(adapter); 3443 if (status) { 3444 netdev_info(adapter->netdev, 3445 "Failed to Set Link Speed and autoneg.\n"); 3446 ahw->port_config = config; 3447 } 3448 3449 return status; 3450 } 3451 3452 static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd, 3453 u64 *data, int index) 3454 { 3455 u32 low, hi; 3456 u64 val; 3457 3458 low = cmd->rsp.arg[index]; 3459 hi = cmd->rsp.arg[index + 1]; 3460 val = (((u64) low) | (((u64) hi) << 32)); 3461 *data++ = val; 3462 return data; 3463 } 3464 3465 static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter, 3466 struct qlcnic_cmd_args *cmd, u64 *data, 3467 int type, int *ret) 3468 { 3469 int err, k, total_regs; 3470 3471 *ret = 0; 3472 err = qlcnic_issue_cmd(adapter, cmd); 3473 if (err != QLCNIC_RCODE_SUCCESS) { 3474 dev_info(&adapter->pdev->dev, 3475 "Error in get statistics mailbox command\n"); 3476 *ret = -EIO; 3477 return data; 3478 } 3479 total_regs = cmd->rsp.num; 3480 switch (type) { 3481 case QLC_83XX_STAT_MAC: 3482 /* fill in MAC tx counters */ 3483 for (k = 2; k < 28; k += 2) 3484 data = qlcnic_83xx_copy_stats(cmd, data, k); 3485 /* skip 24 bytes of reserved area */ 3486 /* fill in MAC rx counters */ 3487 for (k += 6; k < 60; k += 2) 3488 data = qlcnic_83xx_copy_stats(cmd, data, k); 3489 /* skip 24 bytes of reserved area */ 3490 /* fill in MAC rx frame stats */ 3491 for (k += 6; k < 80; k += 2) 3492 data = qlcnic_83xx_copy_stats(cmd, data, k); 3493 /* fill in eSwitch stats */ 3494 for (; k < total_regs; k += 2) 3495 data = qlcnic_83xx_copy_stats(cmd, data, k); 3496 break; 3497 case QLC_83XX_STAT_RX: 3498 for (k = 2; k < 8; k += 2) 3499 data = qlcnic_83xx_copy_stats(cmd, data, k); 3500 /* skip 8 bytes of reserved data */ 3501 for (k += 2; k < 24; k += 2) 3502 data = qlcnic_83xx_copy_stats(cmd, data, k); 3503 /* skip 8 bytes containing RE1FBQ error data */ 3504 for (k += 2; k < total_regs; k += 2) 3505 data = qlcnic_83xx_copy_stats(cmd, data, k); 3506 break; 3507 case QLC_83XX_STAT_TX: 3508 for (k = 2; k < 10; k += 2) 3509 data = qlcnic_83xx_copy_stats(cmd, data, k); 3510 /* skip 8 bytes of reserved data */ 3511 for (k += 2; k < total_regs; k += 2) 3512 data = qlcnic_83xx_copy_stats(cmd, data, k); 3513 break; 3514 default: 3515 dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n"); 3516 *ret = -EIO; 3517 } 3518 return data; 3519 } 3520 3521 void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data) 3522 { 3523 struct qlcnic_cmd_args cmd; 3524 struct net_device *netdev = adapter->netdev; 3525 int ret = 0; 3526 3527 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS); 3528 if (ret) 3529 return; 3530 /* Get Tx stats */ 3531 cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16); 3532 cmd.rsp.num = QLC_83XX_TX_STAT_REGS; 3533 data = qlcnic_83xx_fill_stats(adapter, &cmd, data, 3534 QLC_83XX_STAT_TX, &ret); 3535 if (ret) { 3536 netdev_err(netdev, "Error getting Tx stats\n"); 3537 goto out; 3538 } 3539 /* Get MAC stats */ 3540 cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16); 3541 cmd.rsp.num = QLC_83XX_MAC_STAT_REGS; 3542 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); 3543 data = qlcnic_83xx_fill_stats(adapter, &cmd, data, 3544 QLC_83XX_STAT_MAC, &ret); 3545 if (ret) { 3546 netdev_err(netdev, "Error getting MAC stats\n"); 3547 goto out; 3548 } 3549 /* Get Rx stats */ 3550 cmd.req.arg[1] = adapter->recv_ctx->context_id << 16; 3551 cmd.rsp.num = QLC_83XX_RX_STAT_REGS; 3552 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); 3553 data = qlcnic_83xx_fill_stats(adapter, &cmd, data, 3554 QLC_83XX_STAT_RX, &ret); 3555 if (ret) 3556 netdev_err(netdev, "Error getting Rx stats\n"); 3557 out: 3558 qlcnic_free_mbx_args(&cmd); 3559 } 3560 3561 #define QLCNIC_83XX_ADD_PORT0 BIT_0 3562 #define QLCNIC_83XX_ADD_PORT1 BIT_1 3563 #define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */ 3564 int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter) 3565 { 3566 struct qlcnic_cmd_args cmd; 3567 int err; 3568 3569 err = qlcnic_alloc_mbx_args(&cmd, adapter, 3570 QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP); 3571 if (err) 3572 return err; 3573 3574 cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1); 3575 cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE; 3576 cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE; 3577 3578 err = qlcnic_issue_cmd(adapter, &cmd); 3579 if (err) 3580 dev_err(&adapter->pdev->dev, 3581 "failed to issue extend iSCSI minidump capability\n"); 3582 3583 return err; 3584 } 3585 3586 int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter) 3587 { 3588 u32 major, minor, sub; 3589 3590 major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 3591 minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 3592 sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 3593 3594 if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) { 3595 dev_info(&adapter->pdev->dev, "%s: Reg test failed\n", 3596 __func__); 3597 return 1; 3598 } 3599 return 0; 3600 } 3601 3602 inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter) 3603 { 3604 return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) * 3605 sizeof(*adapter->ahw->ext_reg_tbl)) + 3606 (ARRAY_SIZE(qlcnic_83xx_reg_tbl) * 3607 sizeof(*adapter->ahw->reg_tbl)); 3608 } 3609 3610 int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff) 3611 { 3612 int i, j = 0; 3613 3614 for (i = QLCNIC_DEV_INFO_SIZE + 1; 3615 j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++) 3616 regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j); 3617 3618 for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++) 3619 regs_buff[i++] = QLCRDX(adapter->ahw, j); 3620 return i; 3621 } 3622 3623 int qlcnic_83xx_interrupt_test(struct net_device *netdev) 3624 { 3625 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3626 struct qlcnic_hardware_context *ahw = adapter->ahw; 3627 struct qlcnic_cmd_args cmd; 3628 u8 val, drv_sds_rings = adapter->drv_sds_rings; 3629 u8 drv_tx_rings = adapter->drv_tx_rings; 3630 u32 data; 3631 u16 intrpt_id, id; 3632 int ret; 3633 3634 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { 3635 netdev_info(netdev, "Device is resetting\n"); 3636 return -EBUSY; 3637 } 3638 3639 if (qlcnic_get_diag_lock(adapter)) { 3640 netdev_info(netdev, "Device in diagnostics mode\n"); 3641 return -EBUSY; 3642 } 3643 3644 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST, 3645 drv_sds_rings); 3646 if (ret) 3647 goto fail_diag_irq; 3648 3649 ahw->diag_cnt = 0; 3650 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST); 3651 if (ret) 3652 goto fail_diag_irq; 3653 3654 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3655 intrpt_id = ahw->intr_tbl[0].id; 3656 else 3657 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); 3658 3659 cmd.req.arg[1] = 1; 3660 cmd.req.arg[2] = intrpt_id; 3661 cmd.req.arg[3] = BIT_0; 3662 3663 ret = qlcnic_issue_cmd(adapter, &cmd); 3664 data = cmd.rsp.arg[2]; 3665 id = LSW(data); 3666 val = LSB(MSW(data)); 3667 if (id != intrpt_id) 3668 dev_info(&adapter->pdev->dev, 3669 "Interrupt generated: 0x%x, requested:0x%x\n", 3670 id, intrpt_id); 3671 if (val) 3672 dev_err(&adapter->pdev->dev, 3673 "Interrupt test error: 0x%x\n", val); 3674 if (ret) 3675 goto done; 3676 3677 msleep(20); 3678 ret = !ahw->diag_cnt; 3679 3680 done: 3681 qlcnic_free_mbx_args(&cmd); 3682 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); 3683 3684 fail_diag_irq: 3685 adapter->drv_sds_rings = drv_sds_rings; 3686 adapter->drv_tx_rings = drv_tx_rings; 3687 qlcnic_release_diag_lock(adapter); 3688 return ret; 3689 } 3690 3691 void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter, 3692 struct ethtool_pauseparam *pause) 3693 { 3694 struct qlcnic_hardware_context *ahw = adapter->ahw; 3695 int status = 0; 3696 u32 config; 3697 3698 status = qlcnic_83xx_get_port_config(adapter); 3699 if (status) { 3700 dev_err(&adapter->pdev->dev, 3701 "%s: Get Pause Config failed\n", __func__); 3702 return; 3703 } 3704 config = ahw->port_config; 3705 if (config & QLC_83XX_CFG_STD_PAUSE) { 3706 switch (MSW(config)) { 3707 case QLC_83XX_TX_PAUSE: 3708 pause->tx_pause = 1; 3709 break; 3710 case QLC_83XX_RX_PAUSE: 3711 pause->rx_pause = 1; 3712 break; 3713 case QLC_83XX_TX_RX_PAUSE: 3714 default: 3715 /* Backward compatibility for existing 3716 * flash definitions 3717 */ 3718 pause->tx_pause = 1; 3719 pause->rx_pause = 1; 3720 } 3721 } 3722 3723 if (QLC_83XX_AUTONEG(config)) 3724 pause->autoneg = 1; 3725 } 3726 3727 int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter, 3728 struct ethtool_pauseparam *pause) 3729 { 3730 struct qlcnic_hardware_context *ahw = adapter->ahw; 3731 int status = 0; 3732 u32 config; 3733 3734 status = qlcnic_83xx_get_port_config(adapter); 3735 if (status) { 3736 dev_err(&adapter->pdev->dev, 3737 "%s: Get Pause Config failed.\n", __func__); 3738 return status; 3739 } 3740 config = ahw->port_config; 3741 3742 if (ahw->port_type == QLCNIC_GBE) { 3743 if (pause->autoneg) 3744 ahw->port_config |= QLC_83XX_ENABLE_AUTONEG; 3745 if (!pause->autoneg) 3746 ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG; 3747 } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) { 3748 return -EOPNOTSUPP; 3749 } 3750 3751 if (!(config & QLC_83XX_CFG_STD_PAUSE)) 3752 ahw->port_config |= QLC_83XX_CFG_STD_PAUSE; 3753 3754 if (pause->rx_pause && pause->tx_pause) { 3755 ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE; 3756 } else if (pause->rx_pause && !pause->tx_pause) { 3757 ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE; 3758 ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE; 3759 } else if (pause->tx_pause && !pause->rx_pause) { 3760 ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE; 3761 ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE; 3762 } else if (!pause->rx_pause && !pause->tx_pause) { 3763 ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE | 3764 QLC_83XX_CFG_STD_PAUSE); 3765 } 3766 status = qlcnic_83xx_set_port_config(adapter); 3767 if (status) { 3768 dev_err(&adapter->pdev->dev, 3769 "%s: Set Pause Config failed.\n", __func__); 3770 ahw->port_config = config; 3771 } 3772 return status; 3773 } 3774 3775 static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) 3776 { 3777 int ret, err = 0; 3778 u32 temp; 3779 3780 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, 3781 QLC_83XX_FLASH_OEM_READ_SIG); 3782 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, 3783 QLC_83XX_FLASH_READ_CTRL); 3784 ret = qlcnic_83xx_poll_flash_status_reg(adapter); 3785 if (ret) 3786 return -EIO; 3787 3788 temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); 3789 if (err == -EIO) 3790 return err; 3791 3792 return temp & 0xFF; 3793 } 3794 3795 int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter) 3796 { 3797 int status; 3798 3799 status = qlcnic_83xx_read_flash_status_reg(adapter); 3800 if (status == -EIO) { 3801 dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n", 3802 __func__); 3803 return 1; 3804 } 3805 return 0; 3806 } 3807 3808 static int qlcnic_83xx_shutdown(struct pci_dev *pdev) 3809 { 3810 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3811 struct net_device *netdev = adapter->netdev; 3812 int retval; 3813 3814 netif_device_detach(netdev); 3815 qlcnic_cancel_idc_work(adapter); 3816 3817 if (netif_running(netdev)) 3818 qlcnic_down(adapter, netdev); 3819 3820 qlcnic_83xx_disable_mbx_intr(adapter); 3821 cancel_delayed_work_sync(&adapter->idc_aen_work); 3822 3823 retval = pci_save_state(pdev); 3824 if (retval) 3825 return retval; 3826 3827 return 0; 3828 } 3829 3830 static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter) 3831 { 3832 struct qlcnic_hardware_context *ahw = adapter->ahw; 3833 struct qlc_83xx_idc *idc = &ahw->idc; 3834 int err = 0; 3835 3836 err = qlcnic_83xx_idc_init(adapter); 3837 if (err) 3838 return err; 3839 3840 if (ahw->nic_mode == QLCNIC_VNIC_MODE) { 3841 if (ahw->op_mode == QLCNIC_MGMT_FUNC) { 3842 qlcnic_83xx_set_vnic_opmode(adapter); 3843 } else { 3844 err = qlcnic_83xx_check_vnic_state(adapter); 3845 if (err) 3846 return err; 3847 } 3848 } 3849 3850 err = qlcnic_83xx_idc_reattach_driver(adapter); 3851 if (err) 3852 return err; 3853 3854 qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, 3855 idc->delay); 3856 return err; 3857 } 3858 3859 void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx) 3860 { 3861 reinit_completion(&mbx->completion); 3862 set_bit(QLC_83XX_MBX_READY, &mbx->status); 3863 } 3864 3865 void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx) 3866 { 3867 if (!mbx) 3868 return; 3869 3870 destroy_workqueue(mbx->work_q); 3871 kfree(mbx); 3872 } 3873 3874 static inline void 3875 qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter, 3876 struct qlcnic_cmd_args *cmd) 3877 { 3878 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED); 3879 3880 if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { 3881 qlcnic_free_mbx_args(cmd); 3882 kfree(cmd); 3883 return; 3884 } 3885 complete(&cmd->completion); 3886 } 3887 3888 static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter) 3889 { 3890 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; 3891 struct list_head *head = &mbx->cmd_q; 3892 struct qlcnic_cmd_args *cmd = NULL; 3893 3894 spin_lock(&mbx->queue_lock); 3895 3896 while (!list_empty(head)) { 3897 cmd = list_entry(head->next, struct qlcnic_cmd_args, list); 3898 dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n", 3899 __func__, cmd->cmd_op); 3900 list_del(&cmd->list); 3901 mbx->num_cmds--; 3902 qlcnic_83xx_notify_cmd_completion(adapter, cmd); 3903 } 3904 3905 spin_unlock(&mbx->queue_lock); 3906 } 3907 3908 static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter) 3909 { 3910 struct qlcnic_hardware_context *ahw = adapter->ahw; 3911 struct qlcnic_mailbox *mbx = ahw->mailbox; 3912 u32 host_mbx_ctrl; 3913 3914 if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) 3915 return -EBUSY; 3916 3917 host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL); 3918 if (host_mbx_ctrl) { 3919 clear_bit(QLC_83XX_MBX_READY, &mbx->status); 3920 ahw->idc.collect_dump = 1; 3921 return -EIO; 3922 } 3923 3924 return 0; 3925 } 3926 3927 static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter, 3928 u8 issue_cmd) 3929 { 3930 if (issue_cmd) 3931 QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER); 3932 else 3933 QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); 3934 } 3935 3936 static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter, 3937 struct qlcnic_cmd_args *cmd) 3938 { 3939 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; 3940 3941 spin_lock(&mbx->queue_lock); 3942 3943 list_del(&cmd->list); 3944 mbx->num_cmds--; 3945 3946 spin_unlock(&mbx->queue_lock); 3947 3948 qlcnic_83xx_notify_cmd_completion(adapter, cmd); 3949 } 3950 3951 static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter, 3952 struct qlcnic_cmd_args *cmd) 3953 { 3954 u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp; 3955 struct qlcnic_hardware_context *ahw = adapter->ahw; 3956 int i, j; 3957 3958 if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) { 3959 mbx_cmd = cmd->req.arg[0]; 3960 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); 3961 for (i = 1; i < cmd->req.num; i++) 3962 writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i)); 3963 } else { 3964 fw_hal_version = ahw->fw_hal_version; 3965 hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32); 3966 total_size = cmd->pay_size + hdr_size; 3967 tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16; 3968 mbx_cmd = tmp | fw_hal_version << 29; 3969 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); 3970 3971 /* Back channel specific operations bits */ 3972 mbx_cmd = 0x1 | 1 << 4; 3973 3974 if (qlcnic_sriov_pf_check(adapter)) 3975 mbx_cmd |= cmd->func_num << 5; 3976 3977 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1)); 3978 3979 for (i = 2, j = 0; j < hdr_size; i++, j++) 3980 writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i)); 3981 for (j = 0; j < cmd->pay_size; j++, i++) 3982 writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i)); 3983 } 3984 } 3985 3986 void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter) 3987 { 3988 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; 3989 3990 if (!mbx) 3991 return; 3992 3993 clear_bit(QLC_83XX_MBX_READY, &mbx->status); 3994 complete(&mbx->completion); 3995 cancel_work_sync(&mbx->work); 3996 flush_workqueue(mbx->work_q); 3997 qlcnic_83xx_flush_mbx_queue(adapter); 3998 } 3999 4000 static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter, 4001 struct qlcnic_cmd_args *cmd, 4002 unsigned long *timeout) 4003 { 4004 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; 4005 4006 if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) { 4007 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT); 4008 init_completion(&cmd->completion); 4009 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN; 4010 4011 spin_lock(&mbx->queue_lock); 4012 4013 list_add_tail(&cmd->list, &mbx->cmd_q); 4014 mbx->num_cmds++; 4015 cmd->total_cmds = mbx->num_cmds; 4016 *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT; 4017 queue_work(mbx->work_q, &mbx->work); 4018 4019 spin_unlock(&mbx->queue_lock); 4020 4021 return 0; 4022 } 4023 4024 return -EBUSY; 4025 } 4026 4027 static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter, 4028 struct qlcnic_cmd_args *cmd) 4029 { 4030 u8 mac_cmd_rcode; 4031 u32 fw_data; 4032 4033 if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) { 4034 fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2)); 4035 mac_cmd_rcode = (u8)fw_data; 4036 if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE || 4037 mac_cmd_rcode == QLC_83XX_MAC_PRESENT || 4038 mac_cmd_rcode == QLC_83XX_MAC_ABSENT) { 4039 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; 4040 return QLCNIC_RCODE_SUCCESS; 4041 } 4042 } 4043 4044 return -EINVAL; 4045 } 4046 4047 static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter, 4048 struct qlcnic_cmd_args *cmd) 4049 { 4050 struct qlcnic_hardware_context *ahw = adapter->ahw; 4051 struct device *dev = &adapter->pdev->dev; 4052 u8 mbx_err_code; 4053 u32 fw_data; 4054 4055 fw_data = readl(QLCNIC_MBX_FW(ahw, 0)); 4056 mbx_err_code = QLCNIC_MBX_STATUS(fw_data); 4057 qlcnic_83xx_get_mbx_data(adapter, cmd); 4058 4059 switch (mbx_err_code) { 4060 case QLCNIC_MBX_RSP_OK: 4061 case QLCNIC_MBX_PORT_RSP_OK: 4062 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; 4063 break; 4064 default: 4065 if (!qlcnic_83xx_check_mac_rcode(adapter, cmd)) 4066 break; 4067 4068 dev_err(dev, "%s: Mailbox command failed, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x, error=0x%x\n", 4069 __func__, cmd->cmd_op, cmd->type, ahw->pci_func, 4070 ahw->op_mode, mbx_err_code); 4071 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED; 4072 qlcnic_dump_mbx(adapter, cmd); 4073 } 4074 4075 return; 4076 } 4077 4078 static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter) 4079 { 4080 struct qlcnic_hardware_context *ahw = adapter->ahw; 4081 u32 offset; 4082 4083 offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); 4084 dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x", 4085 readl(ahw->pci_base0 + offset), 4086 QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL), 4087 QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL), 4088 QLCRDX(ahw, QLCNIC_FW_MBX_CTRL)); 4089 } 4090 4091 static void qlcnic_83xx_mailbox_worker(struct work_struct *work) 4092 { 4093 struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox, 4094 work); 4095 struct qlcnic_adapter *adapter = mbx->adapter; 4096 const struct qlcnic_mbx_ops *mbx_ops = mbx->ops; 4097 struct device *dev = &adapter->pdev->dev; 4098 struct list_head *head = &mbx->cmd_q; 4099 struct qlcnic_hardware_context *ahw; 4100 struct qlcnic_cmd_args *cmd = NULL; 4101 unsigned long flags; 4102 4103 ahw = adapter->ahw; 4104 4105 while (true) { 4106 if (qlcnic_83xx_check_mbx_status(adapter)) { 4107 qlcnic_83xx_flush_mbx_queue(adapter); 4108 return; 4109 } 4110 4111 spin_lock_irqsave(&mbx->aen_lock, flags); 4112 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT; 4113 spin_unlock_irqrestore(&mbx->aen_lock, flags); 4114 4115 spin_lock(&mbx->queue_lock); 4116 4117 if (list_empty(head)) { 4118 spin_unlock(&mbx->queue_lock); 4119 return; 4120 } 4121 cmd = list_entry(head->next, struct qlcnic_cmd_args, list); 4122 4123 spin_unlock(&mbx->queue_lock); 4124 4125 mbx_ops->encode_cmd(adapter, cmd); 4126 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST); 4127 4128 if (wait_for_completion_timeout(&mbx->completion, 4129 QLC_83XX_MBX_TIMEOUT)) { 4130 mbx_ops->decode_resp(adapter, cmd); 4131 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION); 4132 } else { 4133 dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n", 4134 __func__, cmd->cmd_op, cmd->type, ahw->pci_func, 4135 ahw->op_mode); 4136 clear_bit(QLC_83XX_MBX_READY, &mbx->status); 4137 qlcnic_dump_mailbox_registers(adapter); 4138 qlcnic_83xx_get_mbx_data(adapter, cmd); 4139 qlcnic_dump_mbx(adapter, cmd); 4140 qlcnic_83xx_idc_request_reset(adapter, 4141 QLCNIC_FORCE_FW_DUMP_KEY); 4142 cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT; 4143 } 4144 mbx_ops->dequeue_cmd(adapter, cmd); 4145 } 4146 } 4147 4148 static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = { 4149 .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd, 4150 .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd, 4151 .decode_resp = qlcnic_83xx_decode_mbx_rsp, 4152 .encode_cmd = qlcnic_83xx_encode_mbx_cmd, 4153 .nofity_fw = qlcnic_83xx_signal_mbx_cmd, 4154 }; 4155 4156 int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter) 4157 { 4158 struct qlcnic_hardware_context *ahw = adapter->ahw; 4159 struct qlcnic_mailbox *mbx; 4160 4161 ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL); 4162 if (!ahw->mailbox) 4163 return -ENOMEM; 4164 4165 mbx = ahw->mailbox; 4166 mbx->ops = &qlcnic_83xx_mbx_ops; 4167 mbx->adapter = adapter; 4168 4169 spin_lock_init(&mbx->queue_lock); 4170 spin_lock_init(&mbx->aen_lock); 4171 INIT_LIST_HEAD(&mbx->cmd_q); 4172 init_completion(&mbx->completion); 4173 4174 mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox"); 4175 if (mbx->work_q == NULL) { 4176 kfree(mbx); 4177 return -ENOMEM; 4178 } 4179 4180 INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker); 4181 set_bit(QLC_83XX_MBX_READY, &mbx->status); 4182 return 0; 4183 } 4184 4185 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev, 4186 pci_channel_state_t state) 4187 { 4188 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4189 4190 if (state == pci_channel_io_perm_failure) 4191 return PCI_ERS_RESULT_DISCONNECT; 4192 4193 if (state == pci_channel_io_normal) 4194 return PCI_ERS_RESULT_RECOVERED; 4195 4196 set_bit(__QLCNIC_AER, &adapter->state); 4197 set_bit(__QLCNIC_RESETTING, &adapter->state); 4198 4199 qlcnic_83xx_aer_stop_poll_work(adapter); 4200 4201 pci_save_state(pdev); 4202 pci_disable_device(pdev); 4203 4204 return PCI_ERS_RESULT_NEED_RESET; 4205 } 4206 4207 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev) 4208 { 4209 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4210 int err = 0; 4211 4212 pdev->error_state = pci_channel_io_normal; 4213 err = pci_enable_device(pdev); 4214 if (err) 4215 goto disconnect; 4216 4217 pci_set_power_state(pdev, PCI_D0); 4218 pci_set_master(pdev); 4219 pci_restore_state(pdev); 4220 4221 err = qlcnic_83xx_aer_reset(adapter); 4222 if (err == 0) 4223 return PCI_ERS_RESULT_RECOVERED; 4224 disconnect: 4225 clear_bit(__QLCNIC_AER, &adapter->state); 4226 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4227 return PCI_ERS_RESULT_DISCONNECT; 4228 } 4229 4230 static void qlcnic_83xx_io_resume(struct pci_dev *pdev) 4231 { 4232 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4233 4234 pci_cleanup_aer_uncorrect_error_status(pdev); 4235 if (test_and_clear_bit(__QLCNIC_AER, &adapter->state)) 4236 qlcnic_83xx_aer_start_poll_work(adapter); 4237 } 4238