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/vmalloc.h> 9 #include <linux/interrupt.h> 10 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.h> 19 #include <linux/ipv6.h> 20 #include <linux/inetdevice.h> 21 #include <linux/aer.h> 22 #include <linux/log2.h> 23 #include <linux/pci.h> 24 #ifdef CONFIG_QLCNIC_VXLAN 25 #include <net/vxlan.h> 26 #endif 27 28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 29 MODULE_LICENSE("GPL"); 30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 32 33 char qlcnic_driver_name[] = "qlcnic"; 34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 36 37 static int qlcnic_mac_learn; 38 module_param(qlcnic_mac_learn, int, 0444); 39 MODULE_PARM_DESC(qlcnic_mac_learn, 40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 41 42 int qlcnic_use_msi = 1; 43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 44 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 45 46 int qlcnic_use_msi_x = 1; 47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 49 50 int qlcnic_auto_fw_reset = 1; 51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 53 54 int qlcnic_load_fw_file; 55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 57 58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 59 static void qlcnic_remove(struct pci_dev *pdev); 60 static int qlcnic_open(struct net_device *netdev); 61 static int qlcnic_close(struct net_device *netdev); 62 static void qlcnic_tx_timeout(struct net_device *netdev); 63 static void qlcnic_attach_work(struct work_struct *work); 64 static void qlcnic_fwinit_work(struct work_struct *work); 65 #ifdef CONFIG_NET_POLL_CONTROLLER 66 static void qlcnic_poll_controller(struct net_device *netdev); 67 #endif 68 69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 71 72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 73 static irqreturn_t qlcnic_intr(int irq, void *data); 74 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 75 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 77 78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 79 static int qlcnic_start_firmware(struct qlcnic_adapter *); 80 81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 86 87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 92 static void qlcnic_82xx_io_resume(struct pci_dev *); 93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 95 pci_channel_state_t); 96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 97 { 98 struct qlcnic_hardware_context *ahw = adapter->ahw; 99 100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 102 else 103 return 1; 104 } 105 106 /* PCI Device ID Table */ 107 #define ENTRY(device) \ 108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 110 111 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 117 {0,} 118 }; 119 120 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 121 122 123 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 124 { 125 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 126 } 127 128 static const u32 msi_tgt_status[8] = { 129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 133 }; 134 135 static const u32 qlcnic_reg_tbl[] = { 136 0x1B20A8, /* PEG_HALT_STAT1 */ 137 0x1B20AC, /* PEG_HALT_STAT2 */ 138 0x1B20B0, /* FW_HEARTBEAT */ 139 0x1B2100, /* LOCK ID */ 140 0x1B2128, /* FW_CAPABILITIES */ 141 0x1B2138, /* drv active */ 142 0x1B2140, /* dev state */ 143 0x1B2144, /* drv state */ 144 0x1B2148, /* drv scratch */ 145 0x1B214C, /* dev partition info */ 146 0x1B2174, /* drv idc ver */ 147 0x1B2150, /* fw version major */ 148 0x1B2154, /* fw version minor */ 149 0x1B2158, /* fw version sub */ 150 0x1B219C, /* npar state */ 151 0x1B21FC, /* FW_IMG_VALID */ 152 0x1B2250, /* CMD_PEG_STATE */ 153 0x1B233C, /* RCV_PEG_STATE */ 154 0x1B23B4, /* ASIC TEMP */ 155 0x1B216C, /* FW api */ 156 0x1B2170, /* drv op mode */ 157 0x13C010, /* flash lock */ 158 0x13C014, /* flash unlock */ 159 }; 160 161 static const struct qlcnic_board_info qlcnic_boards[] = { 162 { PCI_VENDOR_ID_QLOGIC, 163 PCI_DEVICE_ID_QLOGIC_QLE844X, 164 0x0, 165 0x0, 166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 167 { PCI_VENDOR_ID_QLOGIC, 168 PCI_DEVICE_ID_QLOGIC_QLE834X, 169 PCI_VENDOR_ID_QLOGIC, 170 0x24e, 171 "8300 Series Dual Port 10GbE Converged Network Adapter " 172 "(TCP/IP Networking)" }, 173 { PCI_VENDOR_ID_QLOGIC, 174 PCI_DEVICE_ID_QLOGIC_QLE834X, 175 PCI_VENDOR_ID_QLOGIC, 176 0x243, 177 "8300 Series Single Port 10GbE Converged Network Adapter " 178 "(TCP/IP Networking)" }, 179 { PCI_VENDOR_ID_QLOGIC, 180 PCI_DEVICE_ID_QLOGIC_QLE834X, 181 PCI_VENDOR_ID_QLOGIC, 182 0x24a, 183 "8300 Series Dual Port 10GbE Converged Network Adapter " 184 "(TCP/IP Networking)" }, 185 { PCI_VENDOR_ID_QLOGIC, 186 PCI_DEVICE_ID_QLOGIC_QLE834X, 187 PCI_VENDOR_ID_QLOGIC, 188 0x246, 189 "8300 Series Dual Port 10GbE Converged Network Adapter " 190 "(TCP/IP Networking)" }, 191 { PCI_VENDOR_ID_QLOGIC, 192 PCI_DEVICE_ID_QLOGIC_QLE834X, 193 PCI_VENDOR_ID_QLOGIC, 194 0x252, 195 "8300 Series Dual Port 10GbE Converged Network Adapter " 196 "(TCP/IP Networking)" }, 197 { PCI_VENDOR_ID_QLOGIC, 198 PCI_DEVICE_ID_QLOGIC_QLE834X, 199 PCI_VENDOR_ID_QLOGIC, 200 0x26e, 201 "8300 Series Dual Port 10GbE Converged Network Adapter " 202 "(TCP/IP Networking)" }, 203 { PCI_VENDOR_ID_QLOGIC, 204 PCI_DEVICE_ID_QLOGIC_QLE834X, 205 PCI_VENDOR_ID_QLOGIC, 206 0x260, 207 "8300 Series Dual Port 10GbE Converged Network Adapter " 208 "(TCP/IP Networking)" }, 209 { PCI_VENDOR_ID_QLOGIC, 210 PCI_DEVICE_ID_QLOGIC_QLE834X, 211 PCI_VENDOR_ID_QLOGIC, 212 0x266, 213 "8300 Series Single Port 10GbE Converged Network Adapter " 214 "(TCP/IP Networking)" }, 215 { PCI_VENDOR_ID_QLOGIC, 216 PCI_DEVICE_ID_QLOGIC_QLE834X, 217 PCI_VENDOR_ID_QLOGIC, 218 0x269, 219 "8300 Series Dual Port 10GbE Converged Network Adapter " 220 "(TCP/IP Networking)" }, 221 { PCI_VENDOR_ID_QLOGIC, 222 PCI_DEVICE_ID_QLOGIC_QLE834X, 223 PCI_VENDOR_ID_QLOGIC, 224 0x271, 225 "8300 Series Dual Port 10GbE Converged Network Adapter " 226 "(TCP/IP Networking)" }, 227 { PCI_VENDOR_ID_QLOGIC, 228 PCI_DEVICE_ID_QLOGIC_QLE834X, 229 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 230 { PCI_VENDOR_ID_QLOGIC, 231 PCI_DEVICE_ID_QLOGIC_QLE824X, 232 PCI_VENDOR_ID_QLOGIC, 233 0x203, 234 "8200 Series Single Port 10GbE Converged Network Adapter" 235 "(TCP/IP Networking)" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x207, 240 "8200 Series Dual Port 10GbE Converged Network Adapter" 241 "(TCP/IP Networking)" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 PCI_VENDOR_ID_QLOGIC, 245 0x20b, 246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 247 { PCI_VENDOR_ID_QLOGIC, 248 PCI_DEVICE_ID_QLOGIC_QLE824X, 249 PCI_VENDOR_ID_QLOGIC, 250 0x20c, 251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 252 { PCI_VENDOR_ID_QLOGIC, 253 PCI_DEVICE_ID_QLOGIC_QLE824X, 254 PCI_VENDOR_ID_QLOGIC, 255 0x20f, 256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 257 { PCI_VENDOR_ID_QLOGIC, 258 PCI_DEVICE_ID_QLOGIC_QLE824X, 259 0x103c, 0x3733, 260 "NC523SFP 10Gb 2-port Server Adapter" }, 261 { PCI_VENDOR_ID_QLOGIC, 262 PCI_DEVICE_ID_QLOGIC_QLE824X, 263 0x103c, 0x3346, 264 "CN1000Q Dual Port Converged Network Adapter" }, 265 { PCI_VENDOR_ID_QLOGIC, 266 PCI_DEVICE_ID_QLOGIC_QLE824X, 267 PCI_VENDOR_ID_QLOGIC, 268 0x210, 269 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 270 { PCI_VENDOR_ID_QLOGIC, 271 PCI_DEVICE_ID_QLOGIC_QLE824X, 272 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 273 }; 274 275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 276 277 static const 278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 279 280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 281 { 282 int size = sizeof(struct qlcnic_host_sds_ring) * count; 283 284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 285 286 return recv_ctx->sds_rings == NULL; 287 } 288 289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 290 { 291 if (recv_ctx->sds_rings != NULL) 292 kfree(recv_ctx->sds_rings); 293 294 recv_ctx->sds_rings = NULL; 295 } 296 297 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 298 { 299 struct net_device *netdev = adapter->netdev; 300 struct pci_dev *pdev = adapter->pdev; 301 u8 mac_addr[ETH_ALEN]; 302 int ret; 303 304 ret = qlcnic_get_mac_address(adapter, mac_addr, 305 adapter->ahw->pci_func); 306 if (ret) 307 return ret; 308 309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 311 312 /* set station address */ 313 314 if (!is_valid_ether_addr(netdev->dev_addr)) 315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 316 netdev->dev_addr); 317 318 return 0; 319 } 320 321 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 322 { 323 struct qlcnic_mac_vlan_list *cur; 324 struct list_head *head; 325 326 list_for_each(head, &adapter->mac_list) { 327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 330 0, QLCNIC_MAC_DEL); 331 list_del(&cur->list); 332 kfree(cur); 333 return; 334 } 335 } 336 } 337 338 static int qlcnic_set_mac(struct net_device *netdev, void *p) 339 { 340 struct qlcnic_adapter *adapter = netdev_priv(netdev); 341 struct sockaddr *addr = p; 342 343 if (qlcnic_sriov_vf_check(adapter)) 344 return -EINVAL; 345 346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 347 return -EOPNOTSUPP; 348 349 if (!is_valid_ether_addr(addr->sa_data)) 350 return -EINVAL; 351 352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data)) 353 return 0; 354 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 356 netif_device_detach(netdev); 357 qlcnic_napi_disable(adapter); 358 } 359 360 qlcnic_delete_adapter_mac(adapter); 361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 363 qlcnic_set_multi(adapter->netdev); 364 365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 366 netif_device_attach(netdev); 367 qlcnic_napi_enable(adapter); 368 } 369 return 0; 370 } 371 372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 373 struct net_device *netdev, const unsigned char *addr) 374 { 375 struct qlcnic_adapter *adapter = netdev_priv(netdev); 376 int err = -EOPNOTSUPP; 377 378 if (!adapter->fdb_mac_learn) 379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 380 381 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 382 if (is_unicast_ether_addr(addr)) { 383 err = dev_uc_del(netdev, addr); 384 if (!err) 385 err = qlcnic_nic_del_mac(adapter, addr); 386 } else if (is_multicast_ether_addr(addr)) { 387 err = dev_mc_del(netdev, addr); 388 } else { 389 err = -EINVAL; 390 } 391 } 392 return err; 393 } 394 395 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 396 struct net_device *netdev, 397 const unsigned char *addr, u16 flags) 398 { 399 struct qlcnic_adapter *adapter = netdev_priv(netdev); 400 int err = 0; 401 402 if (!adapter->fdb_mac_learn) 403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 404 405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 406 pr_info("%s: FDB e-switch is not enabled\n", __func__); 407 return -EOPNOTSUPP; 408 } 409 410 if (ether_addr_equal(addr, adapter->mac_addr)) 411 return err; 412 413 if (is_unicast_ether_addr(addr)) { 414 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 415 err = dev_uc_add_excl(netdev, addr); 416 else 417 err = -ENOMEM; 418 } else if (is_multicast_ether_addr(addr)) { 419 err = dev_mc_add_excl(netdev, addr); 420 } else { 421 err = -EINVAL; 422 } 423 424 return err; 425 } 426 427 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 428 struct net_device *netdev, int idx) 429 { 430 struct qlcnic_adapter *adapter = netdev_priv(netdev); 431 432 if (!adapter->fdb_mac_learn) 433 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 434 435 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 436 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 437 438 return idx; 439 } 440 441 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 442 { 443 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 444 usleep_range(10000, 11000); 445 446 if (!adapter->fw_work.work.func) 447 return; 448 449 cancel_delayed_work_sync(&adapter->fw_work); 450 } 451 452 static int qlcnic_get_phys_port_id(struct net_device *netdev, 453 struct netdev_phys_port_id *ppid) 454 { 455 struct qlcnic_adapter *adapter = netdev_priv(netdev); 456 struct qlcnic_hardware_context *ahw = adapter->ahw; 457 458 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 459 return -EOPNOTSUPP; 460 461 ppid->id_len = sizeof(ahw->phys_port_id); 462 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 463 464 return 0; 465 } 466 467 #ifdef CONFIG_QLCNIC_VXLAN 468 static void qlcnic_add_vxlan_port(struct net_device *netdev, 469 sa_family_t sa_family, __be16 port) 470 { 471 struct qlcnic_adapter *adapter = netdev_priv(netdev); 472 struct qlcnic_hardware_context *ahw = adapter->ahw; 473 474 /* Adapter supports only one VXLAN port. Use very first port 475 * for enabling offload 476 */ 477 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port) 478 return; 479 480 ahw->vxlan_port = ntohs(port); 481 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 482 } 483 484 static void qlcnic_del_vxlan_port(struct net_device *netdev, 485 sa_family_t sa_family, __be16 port) 486 { 487 struct qlcnic_adapter *adapter = netdev_priv(netdev); 488 struct qlcnic_hardware_context *ahw = adapter->ahw; 489 490 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port || 491 (ahw->vxlan_port != ntohs(port))) 492 return; 493 494 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 495 } 496 #endif 497 498 static const struct net_device_ops qlcnic_netdev_ops = { 499 .ndo_open = qlcnic_open, 500 .ndo_stop = qlcnic_close, 501 .ndo_start_xmit = qlcnic_xmit_frame, 502 .ndo_get_stats = qlcnic_get_stats, 503 .ndo_validate_addr = eth_validate_addr, 504 .ndo_set_rx_mode = qlcnic_set_multi, 505 .ndo_set_mac_address = qlcnic_set_mac, 506 .ndo_change_mtu = qlcnic_change_mtu, 507 .ndo_fix_features = qlcnic_fix_features, 508 .ndo_set_features = qlcnic_set_features, 509 .ndo_tx_timeout = qlcnic_tx_timeout, 510 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 511 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 512 .ndo_fdb_add = qlcnic_fdb_add, 513 .ndo_fdb_del = qlcnic_fdb_del, 514 .ndo_fdb_dump = qlcnic_fdb_dump, 515 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 516 #ifdef CONFIG_QLCNIC_VXLAN 517 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 518 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 519 #endif 520 #ifdef CONFIG_NET_POLL_CONTROLLER 521 .ndo_poll_controller = qlcnic_poll_controller, 522 #endif 523 #ifdef CONFIG_QLCNIC_SRIOV 524 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 525 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 526 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 527 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 528 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 529 #endif 530 }; 531 532 static const struct net_device_ops qlcnic_netdev_failed_ops = { 533 .ndo_open = qlcnic_open, 534 }; 535 536 static struct qlcnic_nic_template qlcnic_ops = { 537 .config_bridged_mode = qlcnic_config_bridged_mode, 538 .config_led = qlcnic_82xx_config_led, 539 .start_firmware = qlcnic_82xx_start_firmware, 540 .request_reset = qlcnic_82xx_dev_request_reset, 541 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 542 .napi_add = qlcnic_82xx_napi_add, 543 .napi_del = qlcnic_82xx_napi_del, 544 .config_ipaddr = qlcnic_82xx_config_ipaddr, 545 .shutdown = qlcnic_82xx_shutdown, 546 .resume = qlcnic_82xx_resume, 547 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 548 }; 549 550 struct qlcnic_nic_template qlcnic_vf_ops = { 551 .config_bridged_mode = qlcnicvf_config_bridged_mode, 552 .config_led = qlcnicvf_config_led, 553 .start_firmware = qlcnicvf_start_firmware 554 }; 555 556 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 557 .read_crb = qlcnic_82xx_read_crb, 558 .write_crb = qlcnic_82xx_write_crb, 559 .read_reg = qlcnic_82xx_hw_read_wx_2M, 560 .write_reg = qlcnic_82xx_hw_write_wx_2M, 561 .get_mac_address = qlcnic_82xx_get_mac_address, 562 .setup_intr = qlcnic_82xx_setup_intr, 563 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 564 .mbx_cmd = qlcnic_82xx_issue_cmd, 565 .get_func_no = qlcnic_82xx_get_func_no, 566 .api_lock = qlcnic_82xx_api_lock, 567 .api_unlock = qlcnic_82xx_api_unlock, 568 .add_sysfs = qlcnic_82xx_add_sysfs, 569 .remove_sysfs = qlcnic_82xx_remove_sysfs, 570 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 571 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 572 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 573 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 574 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 575 .setup_link_event = qlcnic_82xx_linkevent_request, 576 .get_nic_info = qlcnic_82xx_get_nic_info, 577 .get_pci_info = qlcnic_82xx_get_pci_info, 578 .set_nic_info = qlcnic_82xx_set_nic_info, 579 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 580 .napi_enable = qlcnic_82xx_napi_enable, 581 .napi_disable = qlcnic_82xx_napi_disable, 582 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 583 .config_rss = qlcnic_82xx_config_rss, 584 .config_hw_lro = qlcnic_82xx_config_hw_lro, 585 .config_loopback = qlcnic_82xx_set_lb_mode, 586 .clear_loopback = qlcnic_82xx_clear_lb_mode, 587 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 588 .change_l2_filter = qlcnic_82xx_change_filter, 589 .get_board_info = qlcnic_82xx_get_board_info, 590 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 591 .free_mac_list = qlcnic_82xx_free_mac_list, 592 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 593 .io_error_detected = qlcnic_82xx_io_error_detected, 594 .io_slot_reset = qlcnic_82xx_io_slot_reset, 595 .io_resume = qlcnic_82xx_io_resume, 596 .get_beacon_state = qlcnic_82xx_get_beacon_state, 597 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 598 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 599 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 600 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 601 .get_saved_state = qlcnic_82xx_get_saved_state, 602 .set_saved_state = qlcnic_82xx_set_saved_state, 603 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 604 .get_cap_size = qlcnic_82xx_get_cap_size, 605 .set_sys_info = qlcnic_82xx_set_sys_info, 606 .store_cap_mask = qlcnic_82xx_store_cap_mask, 607 }; 608 609 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 610 { 611 struct qlcnic_hardware_context *ahw = adapter->ahw; 612 613 if (qlcnic_82xx_check(adapter) && 614 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 615 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 616 return 0; 617 } else { 618 return 1; 619 } 620 } 621 622 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 623 int queue_type) 624 { 625 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 626 627 if (queue_type == QLCNIC_RX_QUEUE) 628 max_rings = adapter->max_sds_rings; 629 else if (queue_type == QLCNIC_TX_QUEUE) 630 max_rings = adapter->max_tx_rings; 631 632 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 633 max_rings)); 634 635 if (ring_cnt > num_rings) 636 return num_rings; 637 else 638 return ring_cnt; 639 } 640 641 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 642 { 643 /* 83xx adapter does not have max_tx_rings intialized in probe */ 644 if (adapter->max_tx_rings) 645 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 646 QLCNIC_TX_QUEUE); 647 else 648 adapter->drv_tx_rings = tx_cnt; 649 } 650 651 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 652 { 653 /* 83xx adapter does not have max_sds_rings intialized in probe */ 654 if (adapter->max_sds_rings) 655 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 656 QLCNIC_RX_QUEUE); 657 else 658 adapter->drv_sds_rings = rx_cnt; 659 } 660 661 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 662 { 663 struct pci_dev *pdev = adapter->pdev; 664 int num_msix = 0, err = 0, vector; 665 666 adapter->flags &= ~QLCNIC_TSS_RSS; 667 668 if (adapter->drv_tss_rings > 0) 669 num_msix += adapter->drv_tss_rings; 670 else 671 num_msix += adapter->drv_tx_rings; 672 673 if (adapter->drv_rss_rings > 0) 674 num_msix += adapter->drv_rss_rings; 675 else 676 num_msix += adapter->drv_sds_rings; 677 678 if (qlcnic_83xx_check(adapter)) 679 num_msix += 1; 680 681 if (!adapter->msix_entries) { 682 adapter->msix_entries = kcalloc(num_msix, 683 sizeof(struct msix_entry), 684 GFP_KERNEL); 685 if (!adapter->msix_entries) 686 return -ENOMEM; 687 } 688 689 for (vector = 0; vector < num_msix; vector++) 690 adapter->msix_entries[vector].entry = vector; 691 692 restore: 693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 694 if (err > 0) { 695 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 696 return -ENOSPC; 697 698 netdev_info(adapter->netdev, 699 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 700 num_msix, err); 701 702 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 703 704 /* Set rings to 0 so we can restore original TSS/RSS count */ 705 adapter->drv_tss_rings = 0; 706 adapter->drv_rss_rings = 0; 707 708 if (qlcnic_83xx_check(adapter)) 709 num_msix += 1; 710 711 netdev_info(adapter->netdev, 712 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 713 adapter->drv_tx_rings, adapter->drv_sds_rings, 714 num_msix); 715 716 goto restore; 717 } else if (err < 0) { 718 return err; 719 } 720 721 adapter->ahw->num_msix = num_msix; 722 if (adapter->drv_tss_rings > 0) 723 adapter->drv_tx_rings = adapter->drv_tss_rings; 724 725 if (adapter->drv_rss_rings > 0) 726 adapter->drv_sds_rings = adapter->drv_rss_rings; 727 728 return 0; 729 } 730 731 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 732 { 733 struct pci_dev *pdev = adapter->pdev; 734 int err, vector; 735 736 if (!adapter->msix_entries) { 737 adapter->msix_entries = kcalloc(num_msix, 738 sizeof(struct msix_entry), 739 GFP_KERNEL); 740 if (!adapter->msix_entries) 741 return -ENOMEM; 742 } 743 744 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 745 746 if (adapter->ahw->msix_supported) { 747 enable_msix: 748 for (vector = 0; vector < num_msix; vector++) 749 adapter->msix_entries[vector].entry = vector; 750 751 err = pci_enable_msix_range(pdev, 752 adapter->msix_entries, 1, num_msix); 753 754 if (err == num_msix) { 755 adapter->flags |= QLCNIC_MSIX_ENABLED; 756 adapter->ahw->num_msix = num_msix; 757 dev_info(&pdev->dev, "using msi-x interrupts\n"); 758 return 0; 759 } else if (err > 0) { 760 pci_disable_msix(pdev); 761 762 dev_info(&pdev->dev, 763 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 764 num_msix, err); 765 766 if (qlcnic_82xx_check(adapter)) { 767 num_msix = rounddown_pow_of_two(err); 768 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 769 return -ENOSPC; 770 } else { 771 num_msix = rounddown_pow_of_two(err - 1); 772 num_msix += 1; 773 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 774 return -ENOSPC; 775 } 776 777 if (qlcnic_82xx_check(adapter) && 778 !qlcnic_check_multi_tx(adapter)) { 779 adapter->drv_sds_rings = num_msix; 780 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 781 } else { 782 /* Distribute vectors equally */ 783 adapter->drv_tx_rings = num_msix / 2; 784 adapter->drv_sds_rings = adapter->drv_tx_rings; 785 } 786 787 if (num_msix) { 788 dev_info(&pdev->dev, 789 "Trying to allocate %d MSI-X interrupt vectors\n", 790 num_msix); 791 goto enable_msix; 792 } 793 } else { 794 dev_info(&pdev->dev, 795 "Unable to allocate %d MSI-X vectors, err=%d\n", 796 num_msix, err); 797 return err; 798 } 799 } 800 801 return -EIO; 802 } 803 804 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 805 { 806 int num_msix; 807 808 num_msix = adapter->drv_sds_rings; 809 810 if (qlcnic_check_multi_tx(adapter)) 811 num_msix += adapter->drv_tx_rings; 812 else 813 num_msix += QLCNIC_SINGLE_RING; 814 815 return num_msix; 816 } 817 818 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 819 { 820 int err = 0; 821 u32 offset, mask_reg; 822 const struct qlcnic_legacy_intr_set *legacy_intrp; 823 struct qlcnic_hardware_context *ahw = adapter->ahw; 824 struct pci_dev *pdev = adapter->pdev; 825 826 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 827 adapter->flags |= QLCNIC_MSI_ENABLED; 828 offset = msi_tgt_status[adapter->ahw->pci_func]; 829 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 830 offset); 831 dev_info(&pdev->dev, "using msi interrupts\n"); 832 adapter->msix_entries[0].vector = pdev->irq; 833 return err; 834 } 835 836 if (qlcnic_use_msi || qlcnic_use_msi_x) 837 return -EOPNOTSUPP; 838 839 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 840 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 841 offset = legacy_intrp->tgt_status_reg; 842 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 843 mask_reg = legacy_intrp->tgt_mask_reg; 844 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 845 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 846 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 847 dev_info(&pdev->dev, "using legacy interrupts\n"); 848 adapter->msix_entries[0].vector = pdev->irq; 849 return err; 850 } 851 852 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 853 { 854 int num_msix, err = 0; 855 856 if (adapter->flags & QLCNIC_TSS_RSS) { 857 err = qlcnic_setup_tss_rss_intr(adapter); 858 if (err < 0) 859 return err; 860 num_msix = adapter->ahw->num_msix; 861 } else { 862 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 863 864 err = qlcnic_enable_msix(adapter, num_msix); 865 if (err == -ENOMEM) 866 return err; 867 868 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 869 qlcnic_disable_multi_tx(adapter); 870 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 871 872 err = qlcnic_enable_msi_legacy(adapter); 873 if (err) 874 return err; 875 } 876 } 877 878 return 0; 879 } 880 881 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 882 { 883 struct qlcnic_hardware_context *ahw = adapter->ahw; 884 int err, i; 885 886 if (qlcnic_check_multi_tx(adapter) && 887 !ahw->diag_test && 888 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 889 ahw->intr_tbl = vzalloc(ahw->num_msix * 890 sizeof(struct qlcnic_intrpt_config)); 891 if (!ahw->intr_tbl) 892 return -ENOMEM; 893 894 for (i = 0; i < ahw->num_msix; i++) { 895 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 896 ahw->intr_tbl[i].id = i; 897 ahw->intr_tbl[i].src = 0; 898 } 899 900 err = qlcnic_82xx_config_intrpt(adapter, 1); 901 if (err) 902 dev_err(&adapter->pdev->dev, 903 "Failed to configure Interrupt for %d vector\n", 904 ahw->num_msix); 905 return err; 906 } 907 908 return 0; 909 } 910 911 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 912 { 913 if (adapter->flags & QLCNIC_MSIX_ENABLED) 914 pci_disable_msix(adapter->pdev); 915 if (adapter->flags & QLCNIC_MSI_ENABLED) 916 pci_disable_msi(adapter->pdev); 917 918 kfree(adapter->msix_entries); 919 adapter->msix_entries = NULL; 920 921 if (adapter->ahw->intr_tbl) { 922 vfree(adapter->ahw->intr_tbl); 923 adapter->ahw->intr_tbl = NULL; 924 } 925 } 926 927 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 928 { 929 if (ahw->pci_base0 != NULL) 930 iounmap(ahw->pci_base0); 931 } 932 933 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 934 { 935 struct qlcnic_hardware_context *ahw = adapter->ahw; 936 struct qlcnic_pci_info *pci_info; 937 int ret; 938 939 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 940 switch (ahw->port_type) { 941 case QLCNIC_GBE: 942 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 943 break; 944 case QLCNIC_XGBE: 945 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 946 break; 947 } 948 return 0; 949 } 950 951 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 952 return 0; 953 954 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 955 if (!pci_info) 956 return -ENOMEM; 957 958 ret = qlcnic_get_pci_info(adapter, pci_info); 959 kfree(pci_info); 960 return ret; 961 } 962 963 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 964 { 965 bool ret = false; 966 967 if (qlcnic_84xx_check(adapter)) { 968 ret = true; 969 } else if (qlcnic_83xx_check(adapter)) { 970 if (adapter->ahw->extra_capability[0] & 971 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 972 ret = true; 973 else 974 ret = false; 975 } 976 977 return ret; 978 } 979 980 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 981 { 982 struct qlcnic_hardware_context *ahw = adapter->ahw; 983 struct qlcnic_pci_info *pci_info; 984 int i, id = 0, ret = 0, j = 0; 985 u16 act_pci_func; 986 u8 pfn; 987 988 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 989 if (!pci_info) 990 return -ENOMEM; 991 992 ret = qlcnic_get_pci_info(adapter, pci_info); 993 if (ret) 994 goto err_pci_info; 995 996 act_pci_func = ahw->total_nic_func; 997 998 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 999 act_pci_func, GFP_KERNEL); 1000 if (!adapter->npars) { 1001 ret = -ENOMEM; 1002 goto err_pci_info; 1003 } 1004 1005 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1006 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1007 if (!adapter->eswitch) { 1008 ret = -ENOMEM; 1009 goto err_npars; 1010 } 1011 1012 for (i = 0; i < ahw->max_vnic_func; i++) { 1013 pfn = pci_info[i].id; 1014 1015 if (pfn >= ahw->max_vnic_func) { 1016 ret = QL_STATUS_INVALID_PARAM; 1017 goto err_eswitch; 1018 } 1019 1020 if (!pci_info[i].active || 1021 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1022 continue; 1023 1024 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1025 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1026 &id)) 1027 adapter->npars[j].eswitch_status = true; 1028 else 1029 continue; 1030 } else { 1031 adapter->npars[j].eswitch_status = true; 1032 } 1033 1034 adapter->npars[j].pci_func = pfn; 1035 adapter->npars[j].active = (u8)pci_info[i].active; 1036 adapter->npars[j].type = (u8)pci_info[i].type; 1037 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1038 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1039 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1040 1041 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1042 j++; 1043 } 1044 1045 /* Update eSwitch status for adapters without per port eSwitch 1046 * configuration capability 1047 */ 1048 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1049 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1050 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1051 } 1052 1053 kfree(pci_info); 1054 return 0; 1055 1056 err_eswitch: 1057 kfree(adapter->eswitch); 1058 adapter->eswitch = NULL; 1059 err_npars: 1060 kfree(adapter->npars); 1061 adapter->npars = NULL; 1062 err_pci_info: 1063 kfree(pci_info); 1064 1065 return ret; 1066 } 1067 1068 static int 1069 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1070 { 1071 u8 id; 1072 int ret; 1073 u32 data = QLCNIC_MGMT_FUNC; 1074 struct qlcnic_hardware_context *ahw = adapter->ahw; 1075 1076 ret = qlcnic_api_lock(adapter); 1077 if (ret) 1078 goto err_lock; 1079 1080 id = ahw->pci_func; 1081 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1082 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1083 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1084 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1085 qlcnic_api_unlock(adapter); 1086 err_lock: 1087 return ret; 1088 } 1089 1090 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1091 const struct pci_device_id *ent) 1092 { 1093 u32 op_mode, priv_level; 1094 1095 /* Determine FW API version */ 1096 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1097 QLCNIC_FW_API); 1098 1099 /* Find PCI function number */ 1100 qlcnic_get_func_no(adapter); 1101 1102 /* Determine function privilege level */ 1103 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1104 if (op_mode == QLC_DEV_DRV_DEFAULT) 1105 priv_level = QLCNIC_MGMT_FUNC; 1106 else 1107 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1108 1109 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1110 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1111 dev_info(&adapter->pdev->dev, 1112 "HAL Version: %d Non Privileged function\n", 1113 adapter->ahw->fw_hal_version); 1114 adapter->nic_ops = &qlcnic_vf_ops; 1115 } else 1116 adapter->nic_ops = &qlcnic_ops; 1117 } 1118 1119 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1120 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1121 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1122 { 1123 switch (dev_id) { 1124 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1125 *bar = QLCNIC_82XX_BAR0_LENGTH; 1126 break; 1127 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1128 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1129 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1130 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1131 *bar = QLCNIC_83XX_BAR0_LENGTH; 1132 break; 1133 default: 1134 *bar = 0; 1135 } 1136 } 1137 1138 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1139 struct qlcnic_hardware_context *ahw) 1140 { 1141 u32 offset; 1142 void __iomem *mem_ptr0 = NULL; 1143 unsigned long mem_len, pci_len0 = 0, bar0_len; 1144 1145 /* remap phys address */ 1146 mem_len = pci_resource_len(pdev, 0); 1147 1148 qlcnic_get_bar_length(pdev->device, &bar0_len); 1149 if (mem_len >= bar0_len) { 1150 1151 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1152 if (mem_ptr0 == NULL) { 1153 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1154 return -EIO; 1155 } 1156 pci_len0 = mem_len; 1157 } else { 1158 return -EIO; 1159 } 1160 1161 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1162 1163 ahw->pci_base0 = mem_ptr0; 1164 ahw->pci_len0 = pci_len0; 1165 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1166 qlcnic_get_ioaddr(ahw, offset); 1167 1168 return 0; 1169 } 1170 1171 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1172 int index) 1173 { 1174 struct pci_dev *pdev = adapter->pdev; 1175 unsigned short subsystem_vendor; 1176 bool ret = true; 1177 1178 subsystem_vendor = pdev->subsystem_vendor; 1179 1180 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1181 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1182 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1183 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1184 ret = true; 1185 else 1186 ret = false; 1187 } 1188 1189 return ret; 1190 } 1191 1192 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1193 { 1194 struct pci_dev *pdev = adapter->pdev; 1195 int i, found = 0; 1196 1197 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1198 if (qlcnic_boards[i].vendor == pdev->vendor && 1199 qlcnic_boards[i].device == pdev->device && 1200 qlcnic_validate_subsystem_id(adapter, i)) { 1201 found = 1; 1202 break; 1203 } 1204 } 1205 1206 if (!found) 1207 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1208 else 1209 sprintf(name, "%pM: %s" , adapter->mac_addr, 1210 qlcnic_boards[i].short_name); 1211 } 1212 1213 static void 1214 qlcnic_check_options(struct qlcnic_adapter *adapter) 1215 { 1216 int err; 1217 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1218 struct pci_dev *pdev = adapter->pdev; 1219 struct qlcnic_hardware_context *ahw = adapter->ahw; 1220 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1221 1222 prev_fw_version = adapter->fw_version; 1223 1224 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1225 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1226 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1227 1228 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1229 1230 err = qlcnic_get_board_info(adapter); 1231 if (err) { 1232 dev_err(&pdev->dev, "Error getting board config info.\n"); 1233 return; 1234 } 1235 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1236 if (fw_dump->tmpl_hdr == NULL || 1237 adapter->fw_version > prev_fw_version) { 1238 if (fw_dump->tmpl_hdr) 1239 vfree(fw_dump->tmpl_hdr); 1240 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1241 dev_info(&pdev->dev, 1242 "Supports FW dump capability\n"); 1243 } 1244 } 1245 1246 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1247 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1248 1249 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1250 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1251 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1252 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1253 } else { 1254 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1255 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1256 } 1257 1258 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1259 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1260 1261 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1262 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1263 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1264 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1265 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1266 } 1267 1268 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1269 1270 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1271 1272 adapter->max_rds_rings = MAX_RDS_RINGS; 1273 } 1274 1275 static int 1276 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1277 { 1278 struct qlcnic_info nic_info; 1279 int err = 0; 1280 1281 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1282 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1283 if (err) 1284 return err; 1285 1286 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1287 adapter->ahw->switch_mode = nic_info.switch_mode; 1288 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1289 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1290 adapter->ahw->capabilities = nic_info.capabilities; 1291 1292 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1293 u32 temp; 1294 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1295 if (err == -EIO) 1296 return err; 1297 adapter->ahw->extra_capability[0] = temp; 1298 } else { 1299 adapter->ahw->extra_capability[0] = 0; 1300 } 1301 1302 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1303 adapter->ahw->max_mtu = nic_info.max_mtu; 1304 1305 if (adapter->ahw->capabilities & BIT_6) { 1306 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1307 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1308 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1309 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1310 1311 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1312 } else { 1313 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1314 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1315 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1316 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1317 } 1318 1319 return err; 1320 } 1321 1322 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1323 struct qlcnic_esw_func_cfg *esw_cfg) 1324 { 1325 if (esw_cfg->discard_tagged) 1326 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1327 else 1328 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1329 1330 if (esw_cfg->vlan_id) { 1331 adapter->rx_pvid = esw_cfg->vlan_id; 1332 adapter->tx_pvid = esw_cfg->vlan_id; 1333 } else { 1334 adapter->rx_pvid = 0; 1335 adapter->tx_pvid = 0; 1336 } 1337 } 1338 1339 static int 1340 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1341 { 1342 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1343 int err; 1344 1345 if (qlcnic_sriov_vf_check(adapter)) { 1346 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1347 if (err) { 1348 netdev_err(netdev, 1349 "Cannot add VLAN filter for VLAN id %d, err=%d", 1350 vid, err); 1351 return err; 1352 } 1353 } 1354 1355 set_bit(vid, adapter->vlans); 1356 return 0; 1357 } 1358 1359 static int 1360 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1361 { 1362 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1363 int err; 1364 1365 if (qlcnic_sriov_vf_check(adapter)) { 1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1367 if (err) { 1368 netdev_err(netdev, 1369 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1370 vid, err); 1371 return err; 1372 } 1373 } 1374 1375 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1376 clear_bit(vid, adapter->vlans); 1377 return 0; 1378 } 1379 1380 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1381 struct qlcnic_esw_func_cfg *esw_cfg) 1382 { 1383 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1384 QLCNIC_PROMISC_DISABLED); 1385 1386 if (esw_cfg->mac_anti_spoof) 1387 adapter->flags |= QLCNIC_MACSPOOF; 1388 1389 if (!esw_cfg->mac_override) 1390 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1391 1392 if (!esw_cfg->promisc_mode) 1393 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1394 } 1395 1396 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1397 { 1398 struct qlcnic_esw_func_cfg esw_cfg; 1399 1400 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1401 return 0; 1402 1403 esw_cfg.pci_func = adapter->ahw->pci_func; 1404 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1405 return -EIO; 1406 qlcnic_set_vlan_config(adapter, &esw_cfg); 1407 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1408 qlcnic_set_netdev_features(adapter, &esw_cfg); 1409 1410 return 0; 1411 } 1412 1413 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1414 struct qlcnic_esw_func_cfg *esw_cfg) 1415 { 1416 struct net_device *netdev = adapter->netdev; 1417 1418 if (qlcnic_83xx_check(adapter)) 1419 return; 1420 1421 adapter->offload_flags = esw_cfg->offload_flags; 1422 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1423 netdev_update_features(netdev); 1424 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1425 } 1426 1427 static int 1428 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1429 { 1430 u32 op_mode, priv_level; 1431 int err = 0; 1432 1433 err = qlcnic_initialize_nic(adapter); 1434 if (err) 1435 return err; 1436 1437 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1438 return 0; 1439 1440 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1441 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1442 1443 if (op_mode == QLC_DEV_DRV_DEFAULT) 1444 priv_level = QLCNIC_MGMT_FUNC; 1445 else 1446 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1447 1448 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1449 if (priv_level == QLCNIC_MGMT_FUNC) { 1450 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1451 err = qlcnic_init_pci_info(adapter); 1452 if (err) 1453 return err; 1454 /* Set privilege level for other functions */ 1455 qlcnic_set_function_modes(adapter); 1456 dev_info(&adapter->pdev->dev, 1457 "HAL Version: %d, Management function\n", 1458 adapter->ahw->fw_hal_version); 1459 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1460 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1461 dev_info(&adapter->pdev->dev, 1462 "HAL Version: %d, Privileged function\n", 1463 adapter->ahw->fw_hal_version); 1464 } 1465 } else { 1466 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1467 } 1468 1469 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1470 1471 return err; 1472 } 1473 1474 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1475 { 1476 struct qlcnic_esw_func_cfg esw_cfg; 1477 struct qlcnic_npar_info *npar; 1478 u8 i; 1479 1480 if (adapter->need_fw_reset) 1481 return 0; 1482 1483 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1484 if (!adapter->npars[i].eswitch_status) 1485 continue; 1486 1487 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1488 esw_cfg.pci_func = adapter->npars[i].pci_func; 1489 esw_cfg.mac_override = BIT_0; 1490 esw_cfg.promisc_mode = BIT_0; 1491 if (qlcnic_82xx_check(adapter)) { 1492 esw_cfg.offload_flags = BIT_0; 1493 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1494 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1495 } 1496 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1497 return -EIO; 1498 npar = &adapter->npars[i]; 1499 npar->pvid = esw_cfg.vlan_id; 1500 npar->mac_override = esw_cfg.mac_override; 1501 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1502 npar->discard_tagged = esw_cfg.discard_tagged; 1503 npar->promisc_mode = esw_cfg.promisc_mode; 1504 npar->offload_flags = esw_cfg.offload_flags; 1505 } 1506 1507 return 0; 1508 } 1509 1510 1511 static int 1512 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1513 struct qlcnic_npar_info *npar, int pci_func) 1514 { 1515 struct qlcnic_esw_func_cfg esw_cfg; 1516 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1517 esw_cfg.pci_func = pci_func; 1518 esw_cfg.vlan_id = npar->pvid; 1519 esw_cfg.mac_override = npar->mac_override; 1520 esw_cfg.discard_tagged = npar->discard_tagged; 1521 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1522 esw_cfg.offload_flags = npar->offload_flags; 1523 esw_cfg.promisc_mode = npar->promisc_mode; 1524 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1525 return -EIO; 1526 1527 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1528 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1529 return -EIO; 1530 1531 return 0; 1532 } 1533 1534 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1535 { 1536 int i, err; 1537 struct qlcnic_npar_info *npar; 1538 struct qlcnic_info nic_info; 1539 u8 pci_func; 1540 1541 if (qlcnic_82xx_check(adapter)) 1542 if (!adapter->need_fw_reset) 1543 return 0; 1544 1545 /* Set the NPAR config data after FW reset */ 1546 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1547 npar = &adapter->npars[i]; 1548 pci_func = npar->pci_func; 1549 if (!adapter->npars[i].eswitch_status) 1550 continue; 1551 1552 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1553 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1554 if (err) 1555 return err; 1556 nic_info.min_tx_bw = npar->min_bw; 1557 nic_info.max_tx_bw = npar->max_bw; 1558 err = qlcnic_set_nic_info(adapter, &nic_info); 1559 if (err) 1560 return err; 1561 1562 if (npar->enable_pm) { 1563 err = qlcnic_config_port_mirroring(adapter, 1564 npar->dest_npar, 1, 1565 pci_func); 1566 if (err) 1567 return err; 1568 } 1569 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1570 if (err) 1571 return err; 1572 } 1573 return 0; 1574 } 1575 1576 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1577 { 1578 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1579 u32 npar_state; 1580 1581 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1582 return 0; 1583 1584 npar_state = QLC_SHARED_REG_RD32(adapter, 1585 QLCNIC_CRB_DEV_NPAR_STATE); 1586 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1587 msleep(1000); 1588 npar_state = QLC_SHARED_REG_RD32(adapter, 1589 QLCNIC_CRB_DEV_NPAR_STATE); 1590 } 1591 if (!npar_opt_timeo) { 1592 dev_err(&adapter->pdev->dev, 1593 "Waiting for NPAR state to operational timeout\n"); 1594 return -EIO; 1595 } 1596 return 0; 1597 } 1598 1599 static int 1600 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1601 { 1602 int err; 1603 1604 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1605 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1606 return 0; 1607 1608 err = qlcnic_set_default_offload_settings(adapter); 1609 if (err) 1610 return err; 1611 1612 err = qlcnic_reset_npar_config(adapter); 1613 if (err) 1614 return err; 1615 1616 qlcnic_dev_set_npar_ready(adapter); 1617 1618 return err; 1619 } 1620 1621 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1622 { 1623 int err; 1624 1625 err = qlcnic_can_start_firmware(adapter); 1626 if (err < 0) 1627 return err; 1628 else if (!err) 1629 goto check_fw_status; 1630 1631 if (qlcnic_load_fw_file) 1632 qlcnic_request_firmware(adapter); 1633 else { 1634 err = qlcnic_check_flash_fw_ver(adapter); 1635 if (err) 1636 goto err_out; 1637 1638 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1639 } 1640 1641 err = qlcnic_need_fw_reset(adapter); 1642 if (err == 0) 1643 goto check_fw_status; 1644 1645 err = qlcnic_pinit_from_rom(adapter); 1646 if (err) 1647 goto err_out; 1648 1649 err = qlcnic_load_firmware(adapter); 1650 if (err) 1651 goto err_out; 1652 1653 qlcnic_release_firmware(adapter); 1654 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1655 1656 check_fw_status: 1657 err = qlcnic_check_fw_status(adapter); 1658 if (err) 1659 goto err_out; 1660 1661 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1662 qlcnic_idc_debug_info(adapter, 1); 1663 err = qlcnic_check_eswitch_mode(adapter); 1664 if (err) { 1665 dev_err(&adapter->pdev->dev, 1666 "Memory allocation failed for eswitch\n"); 1667 goto err_out; 1668 } 1669 err = qlcnic_set_mgmt_operations(adapter); 1670 if (err) 1671 goto err_out; 1672 1673 qlcnic_check_options(adapter); 1674 adapter->need_fw_reset = 0; 1675 1676 qlcnic_release_firmware(adapter); 1677 return 0; 1678 1679 err_out: 1680 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1681 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1682 1683 qlcnic_release_firmware(adapter); 1684 return err; 1685 } 1686 1687 static int 1688 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1689 { 1690 irq_handler_t handler; 1691 struct qlcnic_host_sds_ring *sds_ring; 1692 struct qlcnic_host_tx_ring *tx_ring; 1693 int err, ring, num_sds_rings; 1694 1695 unsigned long flags = 0; 1696 struct net_device *netdev = adapter->netdev; 1697 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1698 1699 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1700 if (qlcnic_82xx_check(adapter)) 1701 handler = qlcnic_tmp_intr; 1702 else 1703 handler = qlcnic_83xx_tmp_intr; 1704 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1705 flags |= IRQF_SHARED; 1706 1707 } else { 1708 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1709 handler = qlcnic_msix_intr; 1710 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1711 handler = qlcnic_msi_intr; 1712 else { 1713 flags |= IRQF_SHARED; 1714 if (qlcnic_82xx_check(adapter)) 1715 handler = qlcnic_intr; 1716 else 1717 handler = qlcnic_83xx_intr; 1718 } 1719 } 1720 adapter->irq = netdev->irq; 1721 1722 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1723 if (qlcnic_82xx_check(adapter) || 1724 (qlcnic_83xx_check(adapter) && 1725 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1726 num_sds_rings = adapter->drv_sds_rings; 1727 for (ring = 0; ring < num_sds_rings; ring++) { 1728 sds_ring = &recv_ctx->sds_rings[ring]; 1729 if (qlcnic_82xx_check(adapter) && 1730 !qlcnic_check_multi_tx(adapter) && 1731 (ring == (num_sds_rings - 1))) { 1732 if (!(adapter->flags & 1733 QLCNIC_MSIX_ENABLED)) 1734 snprintf(sds_ring->name, 1735 sizeof(sds_ring->name), 1736 "qlcnic"); 1737 else 1738 snprintf(sds_ring->name, 1739 sizeof(sds_ring->name), 1740 "%s-tx-0-rx-%d", 1741 netdev->name, ring); 1742 } else { 1743 snprintf(sds_ring->name, 1744 sizeof(sds_ring->name), 1745 "%s-rx-%d", 1746 netdev->name, ring); 1747 } 1748 err = request_irq(sds_ring->irq, handler, flags, 1749 sds_ring->name, sds_ring); 1750 if (err) 1751 return err; 1752 } 1753 } 1754 if ((qlcnic_82xx_check(adapter) && 1755 qlcnic_check_multi_tx(adapter)) || 1756 (qlcnic_83xx_check(adapter) && 1757 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1758 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1759 handler = qlcnic_msix_tx_intr; 1760 for (ring = 0; ring < adapter->drv_tx_rings; 1761 ring++) { 1762 tx_ring = &adapter->tx_ring[ring]; 1763 snprintf(tx_ring->name, sizeof(tx_ring->name), 1764 "%s-tx-%d", netdev->name, ring); 1765 err = request_irq(tx_ring->irq, handler, flags, 1766 tx_ring->name, tx_ring); 1767 if (err) 1768 return err; 1769 } 1770 } 1771 } 1772 return 0; 1773 } 1774 1775 static void 1776 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1777 { 1778 int ring; 1779 struct qlcnic_host_sds_ring *sds_ring; 1780 struct qlcnic_host_tx_ring *tx_ring; 1781 1782 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1783 1784 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1785 if (qlcnic_82xx_check(adapter) || 1786 (qlcnic_83xx_check(adapter) && 1787 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1788 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1789 sds_ring = &recv_ctx->sds_rings[ring]; 1790 free_irq(sds_ring->irq, sds_ring); 1791 } 1792 } 1793 if ((qlcnic_83xx_check(adapter) && 1794 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1795 (qlcnic_82xx_check(adapter) && 1796 qlcnic_check_multi_tx(adapter))) { 1797 for (ring = 0; ring < adapter->drv_tx_rings; 1798 ring++) { 1799 tx_ring = &adapter->tx_ring[ring]; 1800 if (tx_ring->irq) 1801 free_irq(tx_ring->irq, tx_ring); 1802 } 1803 } 1804 } 1805 } 1806 1807 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1808 { 1809 u32 capab = 0; 1810 1811 if (qlcnic_82xx_check(adapter)) { 1812 if (adapter->ahw->extra_capability[0] & 1813 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1815 } else { 1816 capab = adapter->ahw->capabilities; 1817 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1818 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1819 } 1820 } 1821 1822 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1823 { 1824 struct qlcnic_hardware_context *ahw = adapter->ahw; 1825 int err; 1826 1827 /* Initialize interrupt coalesce parameters */ 1828 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1829 1830 if (qlcnic_83xx_check(adapter)) { 1831 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1832 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1833 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1834 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1835 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1836 1837 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1838 } else { 1839 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1840 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1841 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1842 1843 err = qlcnic_82xx_set_rx_coalesce(adapter); 1844 } 1845 1846 return err; 1847 } 1848 1849 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1850 { 1851 int ring; 1852 struct qlcnic_host_rds_ring *rds_ring; 1853 1854 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1855 return -EIO; 1856 1857 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1858 return 0; 1859 1860 if (qlcnic_set_eswitch_port_config(adapter)) 1861 return -EIO; 1862 1863 qlcnic_get_lro_mss_capability(adapter); 1864 1865 if (qlcnic_fw_create_ctx(adapter)) 1866 return -EIO; 1867 1868 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1869 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1870 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1871 } 1872 1873 qlcnic_set_multi(netdev); 1874 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1875 1876 adapter->ahw->linkup = 0; 1877 1878 if (adapter->drv_sds_rings > 1) 1879 qlcnic_config_rss(adapter, 1); 1880 1881 qlcnic_config_def_intr_coalesce(adapter); 1882 1883 if (netdev->features & NETIF_F_LRO) 1884 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1885 1886 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1887 qlcnic_napi_enable(adapter); 1888 1889 qlcnic_linkevent_request(adapter, 1); 1890 1891 adapter->ahw->reset_context = 0; 1892 netif_tx_start_all_queues(netdev); 1893 return 0; 1894 } 1895 1896 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1897 { 1898 int err = 0; 1899 1900 rtnl_lock(); 1901 if (netif_running(netdev)) 1902 err = __qlcnic_up(adapter, netdev); 1903 rtnl_unlock(); 1904 1905 return err; 1906 } 1907 1908 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1909 { 1910 int ring; 1911 1912 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1913 return; 1914 1915 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1916 return; 1917 1918 if (qlcnic_sriov_vf_check(adapter)) 1919 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1920 smp_mb(); 1921 netif_carrier_off(netdev); 1922 adapter->ahw->linkup = 0; 1923 netif_tx_disable(netdev); 1924 1925 qlcnic_free_mac_list(adapter); 1926 1927 if (adapter->fhash.fnum) 1928 qlcnic_delete_lb_filters(adapter); 1929 1930 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1931 1932 qlcnic_napi_disable(adapter); 1933 1934 qlcnic_fw_destroy_ctx(adapter); 1935 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1936 1937 qlcnic_reset_rx_buffers_list(adapter); 1938 1939 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1940 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1941 } 1942 1943 /* Usage: During suspend and firmware recovery module */ 1944 1945 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1946 { 1947 rtnl_lock(); 1948 if (netif_running(netdev)) 1949 __qlcnic_down(adapter, netdev); 1950 rtnl_unlock(); 1951 1952 } 1953 1954 int 1955 qlcnic_attach(struct qlcnic_adapter *adapter) 1956 { 1957 struct net_device *netdev = adapter->netdev; 1958 struct pci_dev *pdev = adapter->pdev; 1959 int err; 1960 1961 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1962 return 0; 1963 1964 err = qlcnic_napi_add(adapter, netdev); 1965 if (err) 1966 return err; 1967 1968 err = qlcnic_alloc_sw_resources(adapter); 1969 if (err) { 1970 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1971 goto err_out_napi_del; 1972 } 1973 1974 err = qlcnic_alloc_hw_resources(adapter); 1975 if (err) { 1976 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1977 goto err_out_free_sw; 1978 } 1979 1980 err = qlcnic_request_irq(adapter); 1981 if (err) { 1982 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1983 goto err_out_free_hw; 1984 } 1985 1986 qlcnic_create_sysfs_entries(adapter); 1987 1988 #ifdef CONFIG_QLCNIC_VXLAN 1989 if (qlcnic_encap_rx_offload(adapter)) 1990 vxlan_get_rx_port(netdev); 1991 #endif 1992 1993 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1994 return 0; 1995 1996 err_out_free_hw: 1997 qlcnic_free_hw_resources(adapter); 1998 err_out_free_sw: 1999 qlcnic_free_sw_resources(adapter); 2000 err_out_napi_del: 2001 qlcnic_napi_del(adapter); 2002 return err; 2003 } 2004 2005 void qlcnic_detach(struct qlcnic_adapter *adapter) 2006 { 2007 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2008 return; 2009 2010 qlcnic_remove_sysfs_entries(adapter); 2011 2012 qlcnic_free_hw_resources(adapter); 2013 qlcnic_release_rx_buffers(adapter); 2014 qlcnic_free_irq(adapter); 2015 qlcnic_napi_del(adapter); 2016 qlcnic_free_sw_resources(adapter); 2017 2018 adapter->is_up = 0; 2019 } 2020 2021 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2022 { 2023 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2024 struct qlcnic_host_sds_ring *sds_ring; 2025 int drv_tx_rings = adapter->drv_tx_rings; 2026 int ring; 2027 2028 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2029 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2030 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2031 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2032 qlcnic_disable_sds_intr(adapter, sds_ring); 2033 } 2034 } 2035 2036 qlcnic_fw_destroy_ctx(adapter); 2037 2038 qlcnic_detach(adapter); 2039 2040 adapter->ahw->diag_test = 0; 2041 adapter->drv_sds_rings = drv_sds_rings; 2042 adapter->drv_tx_rings = drv_tx_rings; 2043 2044 if (qlcnic_attach(adapter)) 2045 goto out; 2046 2047 if (netif_running(netdev)) 2048 __qlcnic_up(adapter, netdev); 2049 out: 2050 netif_device_attach(netdev); 2051 } 2052 2053 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2054 { 2055 int err = 0; 2056 2057 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2058 GFP_KERNEL); 2059 if (!adapter->recv_ctx) { 2060 err = -ENOMEM; 2061 goto err_out; 2062 } 2063 2064 /* clear stats */ 2065 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2066 err_out: 2067 return err; 2068 } 2069 2070 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2071 { 2072 kfree(adapter->recv_ctx); 2073 adapter->recv_ctx = NULL; 2074 2075 if (adapter->ahw->fw_dump.tmpl_hdr) { 2076 vfree(adapter->ahw->fw_dump.tmpl_hdr); 2077 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2078 } 2079 2080 kfree(adapter->ahw->reset.buff); 2081 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2082 } 2083 2084 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2085 { 2086 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2087 struct qlcnic_host_sds_ring *sds_ring; 2088 struct qlcnic_host_rds_ring *rds_ring; 2089 int ring; 2090 int ret; 2091 2092 netif_device_detach(netdev); 2093 2094 if (netif_running(netdev)) 2095 __qlcnic_down(adapter, netdev); 2096 2097 qlcnic_detach(adapter); 2098 2099 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2100 adapter->ahw->diag_test = test; 2101 adapter->ahw->linkup = 0; 2102 2103 ret = qlcnic_attach(adapter); 2104 if (ret) { 2105 netif_device_attach(netdev); 2106 return ret; 2107 } 2108 2109 ret = qlcnic_fw_create_ctx(adapter); 2110 if (ret) { 2111 qlcnic_detach(adapter); 2112 netif_device_attach(netdev); 2113 return ret; 2114 } 2115 2116 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2117 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2118 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2119 } 2120 2121 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2122 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2123 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2124 qlcnic_enable_sds_intr(adapter, sds_ring); 2125 } 2126 } 2127 2128 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2129 adapter->ahw->loopback_state = 0; 2130 qlcnic_linkevent_request(adapter, 1); 2131 } 2132 2133 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2134 2135 return 0; 2136 } 2137 2138 /* Reset context in hardware only */ 2139 static int 2140 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2141 { 2142 struct net_device *netdev = adapter->netdev; 2143 2144 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2145 return -EBUSY; 2146 2147 netif_device_detach(netdev); 2148 2149 qlcnic_down(adapter, netdev); 2150 2151 qlcnic_up(adapter, netdev); 2152 2153 netif_device_attach(netdev); 2154 2155 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2156 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2157 return 0; 2158 } 2159 2160 int 2161 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2162 { 2163 int err = 0; 2164 struct net_device *netdev = adapter->netdev; 2165 2166 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2167 return -EBUSY; 2168 2169 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2170 2171 netif_device_detach(netdev); 2172 2173 if (netif_running(netdev)) 2174 __qlcnic_down(adapter, netdev); 2175 2176 qlcnic_detach(adapter); 2177 2178 if (netif_running(netdev)) { 2179 err = qlcnic_attach(adapter); 2180 if (!err) { 2181 __qlcnic_up(adapter, netdev); 2182 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2183 } 2184 } 2185 2186 netif_device_attach(netdev); 2187 } 2188 2189 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2190 return err; 2191 } 2192 2193 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2194 { 2195 struct qlcnic_hardware_context *ahw = adapter->ahw; 2196 u16 act_pci_fn = ahw->total_nic_func; 2197 u16 count; 2198 2199 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2200 if (act_pci_fn <= 2) 2201 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2202 act_pci_fn; 2203 else 2204 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2205 act_pci_fn; 2206 ahw->max_uc_count = count; 2207 } 2208 2209 int 2210 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2211 int pci_using_dac) 2212 { 2213 int err; 2214 struct pci_dev *pdev = adapter->pdev; 2215 2216 adapter->rx_csum = 1; 2217 adapter->ahw->mc_enabled = 0; 2218 qlcnic_set_mac_filter_count(adapter); 2219 2220 netdev->netdev_ops = &qlcnic_netdev_ops; 2221 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2222 2223 qlcnic_change_mtu(netdev, netdev->mtu); 2224 2225 if (qlcnic_sriov_vf_check(adapter)) 2226 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2227 else 2228 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2229 2230 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2231 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2232 NETIF_F_HW_VLAN_CTAG_RX); 2233 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2234 NETIF_F_IPV6_CSUM); 2235 2236 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2237 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2238 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2239 } 2240 2241 if (pci_using_dac) { 2242 netdev->features |= NETIF_F_HIGHDMA; 2243 netdev->vlan_features |= NETIF_F_HIGHDMA; 2244 } 2245 2246 if (qlcnic_vlan_tx_check(adapter)) 2247 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2248 2249 if (qlcnic_sriov_vf_check(adapter)) 2250 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2251 2252 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2253 netdev->features |= NETIF_F_LRO; 2254 2255 if (qlcnic_encap_tx_offload(adapter)) { 2256 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2257 2258 /* encapsulation Tx offload supported by Adapter */ 2259 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2260 NETIF_F_GSO_UDP_TUNNEL | 2261 NETIF_F_TSO | 2262 NETIF_F_TSO6; 2263 } 2264 2265 if (qlcnic_encap_rx_offload(adapter)) 2266 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2267 2268 netdev->hw_features = netdev->features; 2269 netdev->priv_flags |= IFF_UNICAST_FLT; 2270 netdev->irq = adapter->msix_entries[0].vector; 2271 2272 err = qlcnic_set_real_num_queues(adapter, netdev); 2273 if (err) 2274 return err; 2275 2276 err = register_netdev(netdev); 2277 if (err) { 2278 dev_err(&pdev->dev, "failed to register net device\n"); 2279 return err; 2280 } 2281 2282 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2283 2284 return 0; 2285 } 2286 2287 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2288 { 2289 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2290 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2291 *pci_using_dac = 1; 2292 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2293 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2294 *pci_using_dac = 0; 2295 else { 2296 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2297 return -EIO; 2298 } 2299 2300 return 0; 2301 } 2302 2303 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2304 { 2305 int ring; 2306 struct qlcnic_host_tx_ring *tx_ring; 2307 2308 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2309 tx_ring = &adapter->tx_ring[ring]; 2310 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2311 vfree(tx_ring->cmd_buf_arr); 2312 tx_ring->cmd_buf_arr = NULL; 2313 } 2314 } 2315 if (adapter->tx_ring != NULL) 2316 kfree(adapter->tx_ring); 2317 } 2318 2319 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2320 struct net_device *netdev) 2321 { 2322 int ring, vector, index; 2323 struct qlcnic_host_tx_ring *tx_ring; 2324 struct qlcnic_cmd_buffer *cmd_buf_arr; 2325 2326 tx_ring = kcalloc(adapter->drv_tx_rings, 2327 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2328 if (tx_ring == NULL) 2329 return -ENOMEM; 2330 2331 adapter->tx_ring = tx_ring; 2332 2333 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2334 tx_ring = &adapter->tx_ring[ring]; 2335 tx_ring->num_desc = adapter->num_txd; 2336 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2337 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2338 if (cmd_buf_arr == NULL) { 2339 qlcnic_free_tx_rings(adapter); 2340 return -ENOMEM; 2341 } 2342 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2343 tx_ring->cmd_buf_arr = cmd_buf_arr; 2344 spin_lock_init(&tx_ring->tx_clean_lock); 2345 } 2346 2347 if (qlcnic_83xx_check(adapter) || 2348 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2349 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2350 tx_ring = &adapter->tx_ring[ring]; 2351 tx_ring->adapter = adapter; 2352 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2353 index = adapter->drv_sds_rings + ring; 2354 vector = adapter->msix_entries[index].vector; 2355 tx_ring->irq = vector; 2356 } 2357 } 2358 } 2359 2360 return 0; 2361 } 2362 2363 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2364 { 2365 struct qlcnic_hardware_context *ahw = adapter->ahw; 2366 u32 fw_cmd = 0; 2367 2368 if (qlcnic_82xx_check(adapter)) 2369 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2370 else if (qlcnic_83xx_check(adapter)) 2371 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2372 2373 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2374 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2375 } 2376 2377 static int 2378 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2379 { 2380 struct net_device *netdev = NULL; 2381 struct qlcnic_adapter *adapter = NULL; 2382 struct qlcnic_hardware_context *ahw; 2383 int err, pci_using_dac = -1; 2384 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2385 2386 if (pdev->is_virtfn) 2387 return -ENODEV; 2388 2389 err = pci_enable_device(pdev); 2390 if (err) 2391 return err; 2392 2393 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2394 err = -ENODEV; 2395 goto err_out_disable_pdev; 2396 } 2397 2398 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2399 if (err) 2400 goto err_out_disable_pdev; 2401 2402 err = pci_request_regions(pdev, qlcnic_driver_name); 2403 if (err) 2404 goto err_out_disable_pdev; 2405 2406 pci_set_master(pdev); 2407 pci_enable_pcie_error_reporting(pdev); 2408 2409 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2410 if (!ahw) { 2411 err = -ENOMEM; 2412 goto err_out_free_res; 2413 } 2414 2415 switch (ent->device) { 2416 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2417 ahw->hw_ops = &qlcnic_hw_ops; 2418 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2419 break; 2420 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2421 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2422 qlcnic_83xx_register_map(ahw); 2423 break; 2424 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2425 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2426 qlcnic_sriov_vf_register_map(ahw); 2427 break; 2428 default: 2429 goto err_out_free_hw_res; 2430 } 2431 2432 err = qlcnic_setup_pci_map(pdev, ahw); 2433 if (err) 2434 goto err_out_free_hw_res; 2435 2436 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2437 QLCNIC_MAX_TX_RINGS); 2438 if (!netdev) { 2439 err = -ENOMEM; 2440 goto err_out_iounmap; 2441 } 2442 2443 SET_NETDEV_DEV(netdev, &pdev->dev); 2444 2445 adapter = netdev_priv(netdev); 2446 adapter->netdev = netdev; 2447 adapter->pdev = pdev; 2448 adapter->ahw = ahw; 2449 2450 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2451 if (adapter->qlcnic_wq == NULL) { 2452 err = -ENOMEM; 2453 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2454 goto err_out_free_netdev; 2455 } 2456 2457 err = qlcnic_alloc_adapter_resources(adapter); 2458 if (err) 2459 goto err_out_free_wq; 2460 2461 adapter->dev_rst_time = jiffies; 2462 ahw->revision_id = pdev->revision; 2463 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2464 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2465 adapter->fdb_mac_learn = true; 2466 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2467 adapter->drv_mac_learn = true; 2468 2469 rwlock_init(&adapter->ahw->crb_lock); 2470 mutex_init(&adapter->ahw->mem_lock); 2471 2472 INIT_LIST_HEAD(&adapter->mac_list); 2473 2474 qlcnic_register_dcb(adapter); 2475 2476 if (qlcnic_82xx_check(adapter)) { 2477 qlcnic_check_vf(adapter, ent); 2478 adapter->portnum = adapter->ahw->pci_func; 2479 err = qlcnic_start_firmware(adapter); 2480 if (err) { 2481 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2482 "\t\tIf reboot doesn't help, try flashing the card\n"); 2483 goto err_out_maintenance_mode; 2484 } 2485 2486 /* compute and set default and max tx/sds rings */ 2487 if (adapter->ahw->msix_supported) { 2488 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2489 qlcnic_set_tx_ring_count(adapter, 2490 QLCNIC_SINGLE_RING); 2491 else 2492 qlcnic_set_tx_ring_count(adapter, 2493 QLCNIC_DEF_TX_RINGS); 2494 qlcnic_set_sds_ring_count(adapter, 2495 QLCNIC_DEF_SDS_RINGS); 2496 } else { 2497 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2498 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2499 } 2500 2501 err = qlcnic_setup_idc_param(adapter); 2502 if (err) 2503 goto err_out_free_hw; 2504 2505 adapter->flags |= QLCNIC_NEED_FLR; 2506 2507 } else if (qlcnic_83xx_check(adapter)) { 2508 qlcnic_83xx_check_vf(adapter, ent); 2509 adapter->portnum = adapter->ahw->pci_func; 2510 err = qlcnic_83xx_init(adapter, pci_using_dac); 2511 if (err) { 2512 switch (err) { 2513 case -ENOTRECOVERABLE: 2514 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2515 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2516 goto err_out_free_hw; 2517 case -ENOMEM: 2518 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2519 goto err_out_free_hw; 2520 default: 2521 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n"); 2522 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n"); 2523 goto err_out_maintenance_mode; 2524 } 2525 } 2526 2527 if (qlcnic_sriov_vf_check(adapter)) 2528 return 0; 2529 } else { 2530 dev_err(&pdev->dev, 2531 "%s: failed. Please Reboot\n", __func__); 2532 goto err_out_free_hw; 2533 } 2534 2535 if (qlcnic_read_mac_addr(adapter)) 2536 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2537 2538 qlcnic_read_phys_port_id(adapter); 2539 2540 if (adapter->portnum == 0) { 2541 qlcnic_get_board_name(adapter, board_name); 2542 2543 pr_info("%s: %s Board Chip rev 0x%x\n", 2544 module_name(THIS_MODULE), 2545 board_name, adapter->ahw->revision_id); 2546 } 2547 2548 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2549 !!qlcnic_use_msi) 2550 dev_warn(&pdev->dev, 2551 "Device does not support MSI interrupts\n"); 2552 2553 if (qlcnic_82xx_check(adapter)) { 2554 qlcnic_dcb_enable(adapter->dcb); 2555 qlcnic_dcb_get_info(adapter->dcb); 2556 err = qlcnic_setup_intr(adapter); 2557 2558 if (err) { 2559 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2560 goto err_out_disable_msi; 2561 } 2562 } 2563 2564 err = qlcnic_get_act_pci_func(adapter); 2565 if (err) 2566 goto err_out_disable_mbx_intr; 2567 2568 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2569 if (err) 2570 goto err_out_disable_mbx_intr; 2571 2572 if (adapter->portnum == 0) 2573 qlcnic_set_drv_version(adapter); 2574 2575 pci_set_drvdata(pdev, adapter); 2576 2577 if (qlcnic_82xx_check(adapter)) 2578 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2579 FW_POLL_DELAY); 2580 2581 switch (adapter->ahw->port_type) { 2582 case QLCNIC_GBE: 2583 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2584 adapter->netdev->name); 2585 break; 2586 case QLCNIC_XGBE: 2587 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2588 adapter->netdev->name); 2589 break; 2590 } 2591 2592 if (adapter->drv_mac_learn) 2593 qlcnic_alloc_lb_filters_mem(adapter); 2594 2595 qlcnic_add_sysfs(adapter); 2596 2597 return 0; 2598 2599 err_out_disable_mbx_intr: 2600 if (qlcnic_83xx_check(adapter)) 2601 qlcnic_83xx_free_mbx_intr(adapter); 2602 2603 err_out_disable_msi: 2604 qlcnic_teardown_intr(adapter); 2605 qlcnic_cancel_idc_work(adapter); 2606 qlcnic_clr_all_drv_state(adapter, 0); 2607 2608 err_out_free_hw: 2609 qlcnic_free_adapter_resources(adapter); 2610 2611 err_out_free_wq: 2612 destroy_workqueue(adapter->qlcnic_wq); 2613 2614 err_out_free_netdev: 2615 free_netdev(netdev); 2616 2617 err_out_iounmap: 2618 qlcnic_cleanup_pci_map(ahw); 2619 2620 err_out_free_hw_res: 2621 kfree(ahw); 2622 2623 err_out_free_res: 2624 pci_release_regions(pdev); 2625 2626 err_out_disable_pdev: 2627 pci_disable_device(pdev); 2628 return err; 2629 2630 err_out_maintenance_mode: 2631 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2632 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2633 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 2634 ahw->port_type = QLCNIC_XGBE; 2635 2636 if (qlcnic_83xx_check(adapter)) 2637 adapter->tgt_status_reg = NULL; 2638 else 2639 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2640 2641 err = register_netdev(netdev); 2642 2643 if (err) { 2644 dev_err(&pdev->dev, "Failed to register net device\n"); 2645 qlcnic_clr_all_drv_state(adapter, 0); 2646 goto err_out_free_hw; 2647 } 2648 2649 pci_set_drvdata(pdev, adapter); 2650 qlcnic_add_sysfs(adapter); 2651 2652 return 0; 2653 } 2654 2655 static void qlcnic_remove(struct pci_dev *pdev) 2656 { 2657 struct qlcnic_adapter *adapter; 2658 struct net_device *netdev; 2659 struct qlcnic_hardware_context *ahw; 2660 2661 adapter = pci_get_drvdata(pdev); 2662 if (adapter == NULL) 2663 return; 2664 2665 netdev = adapter->netdev; 2666 qlcnic_sriov_pf_disable(adapter); 2667 2668 qlcnic_cancel_idc_work(adapter); 2669 ahw = adapter->ahw; 2670 2671 unregister_netdev(netdev); 2672 qlcnic_sriov_cleanup(adapter); 2673 2674 if (qlcnic_83xx_check(adapter)) { 2675 qlcnic_83xx_initialize_nic(adapter, 0); 2676 cancel_delayed_work_sync(&adapter->idc_aen_work); 2677 qlcnic_83xx_free_mbx_intr(adapter); 2678 qlcnic_83xx_detach_mailbox_work(adapter); 2679 qlcnic_83xx_free_mailbox(ahw->mailbox); 2680 kfree(ahw->fw_info); 2681 } 2682 2683 qlcnic_dcb_free(adapter->dcb); 2684 2685 qlcnic_detach(adapter); 2686 2687 if (adapter->npars != NULL) 2688 kfree(adapter->npars); 2689 if (adapter->eswitch != NULL) 2690 kfree(adapter->eswitch); 2691 2692 if (qlcnic_82xx_check(adapter)) 2693 qlcnic_clr_all_drv_state(adapter, 0); 2694 2695 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2696 2697 qlcnic_free_lb_filters_mem(adapter); 2698 2699 qlcnic_teardown_intr(adapter); 2700 2701 qlcnic_remove_sysfs(adapter); 2702 2703 qlcnic_cleanup_pci_map(adapter->ahw); 2704 2705 qlcnic_release_firmware(adapter); 2706 2707 pci_disable_pcie_error_reporting(pdev); 2708 pci_release_regions(pdev); 2709 pci_disable_device(pdev); 2710 2711 if (adapter->qlcnic_wq) { 2712 destroy_workqueue(adapter->qlcnic_wq); 2713 adapter->qlcnic_wq = NULL; 2714 } 2715 2716 qlcnic_free_adapter_resources(adapter); 2717 kfree(ahw); 2718 free_netdev(netdev); 2719 } 2720 2721 static void qlcnic_shutdown(struct pci_dev *pdev) 2722 { 2723 if (__qlcnic_shutdown(pdev)) 2724 return; 2725 2726 pci_disable_device(pdev); 2727 } 2728 2729 #ifdef CONFIG_PM 2730 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2731 { 2732 int retval; 2733 2734 retval = __qlcnic_shutdown(pdev); 2735 if (retval) 2736 return retval; 2737 2738 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2739 return 0; 2740 } 2741 2742 static int qlcnic_resume(struct pci_dev *pdev) 2743 { 2744 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2745 int err; 2746 2747 err = pci_enable_device(pdev); 2748 if (err) 2749 return err; 2750 2751 pci_set_power_state(pdev, PCI_D0); 2752 pci_set_master(pdev); 2753 pci_restore_state(pdev); 2754 2755 return __qlcnic_resume(adapter); 2756 } 2757 #endif 2758 2759 static int qlcnic_open(struct net_device *netdev) 2760 { 2761 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2762 int err; 2763 2764 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2765 netdev_err(netdev, "%s: Device is in non-operational state\n", 2766 __func__); 2767 2768 return -EIO; 2769 } 2770 2771 netif_carrier_off(netdev); 2772 2773 err = qlcnic_attach(adapter); 2774 if (err) 2775 return err; 2776 2777 err = __qlcnic_up(adapter, netdev); 2778 if (err) 2779 qlcnic_detach(adapter); 2780 2781 return err; 2782 } 2783 2784 /* 2785 * qlcnic_close - Disables a network interface entry point 2786 */ 2787 static int qlcnic_close(struct net_device *netdev) 2788 { 2789 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2790 2791 __qlcnic_down(adapter, netdev); 2792 2793 return 0; 2794 } 2795 2796 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2797 { 2798 void *head; 2799 int i; 2800 struct net_device *netdev = adapter->netdev; 2801 u32 filter_size = 0; 2802 u16 act_pci_func = 0; 2803 2804 if (adapter->fhash.fmax && adapter->fhash.fhead) 2805 return; 2806 2807 act_pci_func = adapter->ahw->total_nic_func; 2808 spin_lock_init(&adapter->mac_learn_lock); 2809 spin_lock_init(&adapter->rx_mac_learn_lock); 2810 2811 if (qlcnic_82xx_check(adapter)) { 2812 filter_size = QLCNIC_LB_MAX_FILTERS; 2813 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2814 } else { 2815 filter_size = QLC_83XX_LB_MAX_FILTERS; 2816 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2817 } 2818 2819 head = kcalloc(adapter->fhash.fbucket_size, 2820 sizeof(struct hlist_head), GFP_ATOMIC); 2821 2822 if (!head) 2823 return; 2824 2825 adapter->fhash.fmax = (filter_size / act_pci_func); 2826 adapter->fhash.fhead = head; 2827 2828 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2829 act_pci_func, adapter->fhash.fmax); 2830 2831 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2832 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2833 2834 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2835 2836 head = kcalloc(adapter->rx_fhash.fbucket_size, 2837 sizeof(struct hlist_head), GFP_ATOMIC); 2838 2839 if (!head) 2840 return; 2841 2842 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2843 adapter->rx_fhash.fhead = head; 2844 2845 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2846 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2847 } 2848 2849 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2850 { 2851 if (adapter->fhash.fmax && adapter->fhash.fhead) 2852 kfree(adapter->fhash.fhead); 2853 2854 adapter->fhash.fhead = NULL; 2855 adapter->fhash.fmax = 0; 2856 2857 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2858 kfree(adapter->rx_fhash.fhead); 2859 2860 adapter->rx_fhash.fmax = 0; 2861 adapter->rx_fhash.fhead = NULL; 2862 } 2863 2864 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2865 { 2866 struct net_device *netdev = adapter->netdev; 2867 u32 temp_state, temp_val, temp = 0; 2868 int rv = 0; 2869 2870 if (qlcnic_83xx_check(adapter)) 2871 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2872 2873 if (qlcnic_82xx_check(adapter)) 2874 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2875 2876 temp_state = qlcnic_get_temp_state(temp); 2877 temp_val = qlcnic_get_temp_val(temp); 2878 2879 if (temp_state == QLCNIC_TEMP_PANIC) { 2880 dev_err(&netdev->dev, 2881 "Device temperature %d degrees C exceeds" 2882 " maximum allowed. Hardware has been shut down.\n", 2883 temp_val); 2884 rv = 1; 2885 } else if (temp_state == QLCNIC_TEMP_WARN) { 2886 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2887 dev_err(&netdev->dev, 2888 "Device temperature %d degrees C " 2889 "exceeds operating range." 2890 " Immediate action needed.\n", 2891 temp_val); 2892 } 2893 } else { 2894 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2895 dev_info(&netdev->dev, 2896 "Device temperature is now %d degrees C" 2897 " in normal range.\n", temp_val); 2898 } 2899 } 2900 adapter->ahw->temp = temp_state; 2901 return rv; 2902 } 2903 2904 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2905 { 2906 int i; 2907 struct cmd_desc_type0 *tx_desc_info; 2908 2909 for (i = 0; i < tx_ring->num_desc; i++) { 2910 tx_desc_info = &tx_ring->desc_head[i]; 2911 pr_info("TX Desc: %d\n", i); 2912 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2913 &tx_ring->desc_head[i], 2914 sizeof(struct cmd_desc_type0), true); 2915 } 2916 } 2917 2918 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter) 2919 { 2920 struct net_device *netdev = adapter->netdev; 2921 struct qlcnic_host_tx_ring *tx_ring; 2922 int ring; 2923 2924 if (!netdev || !netif_running(netdev)) 2925 return; 2926 2927 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2928 tx_ring = &adapter->tx_ring[ring]; 2929 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 2930 ring, tx_ring->ctx_id); 2931 netdev_info(netdev, 2932 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 2933 tx_ring->tx_stats.xmit_finished, 2934 tx_ring->tx_stats.xmit_called, 2935 tx_ring->tx_stats.xmit_on, 2936 tx_ring->tx_stats.xmit_off); 2937 netdev_info(netdev, 2938 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 2939 readl(tx_ring->crb_intr_mask), 2940 readl(tx_ring->crb_cmd_producer), 2941 tx_ring->producer, tx_ring->sw_consumer, 2942 le32_to_cpu(*(tx_ring->hw_consumer))); 2943 2944 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 2945 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 2946 2947 if (netif_msg_tx_done(adapter->ahw)) 2948 dump_tx_ring_desc(tx_ring); 2949 } 2950 } 2951 2952 static void qlcnic_tx_timeout(struct net_device *netdev) 2953 { 2954 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2955 2956 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2957 return; 2958 2959 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2960 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2961 if (qlcnic_82xx_check(adapter)) 2962 adapter->need_fw_reset = 1; 2963 else if (qlcnic_83xx_check(adapter)) 2964 qlcnic_83xx_idc_request_reset(adapter, 2965 QLCNIC_FORCE_FW_DUMP_KEY); 2966 } else { 2967 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2968 qlcnic_dump_tx_rings(adapter); 2969 adapter->ahw->reset_context = 1; 2970 } 2971 } 2972 2973 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2974 { 2975 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2976 struct net_device_stats *stats = &netdev->stats; 2977 2978 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 2979 qlcnic_update_stats(adapter); 2980 2981 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2982 stats->tx_packets = adapter->stats.xmitfinished; 2983 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2984 stats->tx_bytes = adapter->stats.txbytes; 2985 stats->rx_dropped = adapter->stats.rxdropped; 2986 stats->tx_dropped = adapter->stats.txdropped; 2987 2988 return stats; 2989 } 2990 2991 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2992 { 2993 u32 status; 2994 2995 status = readl(adapter->isr_int_vec); 2996 2997 if (!(status & adapter->ahw->int_vec_bit)) 2998 return IRQ_NONE; 2999 3000 /* check interrupt state machine, to be sure */ 3001 status = readl(adapter->crb_int_state_reg); 3002 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3003 return IRQ_NONE; 3004 3005 writel(0xffffffff, adapter->tgt_status_reg); 3006 /* read twice to ensure write is flushed */ 3007 readl(adapter->isr_int_vec); 3008 readl(adapter->isr_int_vec); 3009 3010 return IRQ_HANDLED; 3011 } 3012 3013 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3014 { 3015 struct qlcnic_host_sds_ring *sds_ring = data; 3016 struct qlcnic_adapter *adapter = sds_ring->adapter; 3017 3018 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3019 goto done; 3020 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3021 writel(0xffffffff, adapter->tgt_status_reg); 3022 goto done; 3023 } 3024 3025 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3026 return IRQ_NONE; 3027 3028 done: 3029 adapter->ahw->diag_cnt++; 3030 qlcnic_enable_sds_intr(adapter, sds_ring); 3031 return IRQ_HANDLED; 3032 } 3033 3034 static irqreturn_t qlcnic_intr(int irq, void *data) 3035 { 3036 struct qlcnic_host_sds_ring *sds_ring = data; 3037 struct qlcnic_adapter *adapter = sds_ring->adapter; 3038 3039 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3040 return IRQ_NONE; 3041 3042 napi_schedule(&sds_ring->napi); 3043 3044 return IRQ_HANDLED; 3045 } 3046 3047 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3048 { 3049 struct qlcnic_host_sds_ring *sds_ring = data; 3050 struct qlcnic_adapter *adapter = sds_ring->adapter; 3051 3052 /* clear interrupt */ 3053 writel(0xffffffff, adapter->tgt_status_reg); 3054 3055 napi_schedule(&sds_ring->napi); 3056 return IRQ_HANDLED; 3057 } 3058 3059 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3060 { 3061 struct qlcnic_host_sds_ring *sds_ring = data; 3062 3063 napi_schedule(&sds_ring->napi); 3064 return IRQ_HANDLED; 3065 } 3066 3067 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3068 { 3069 struct qlcnic_host_tx_ring *tx_ring = data; 3070 3071 napi_schedule(&tx_ring->napi); 3072 return IRQ_HANDLED; 3073 } 3074 3075 #ifdef CONFIG_NET_POLL_CONTROLLER 3076 static void qlcnic_poll_controller(struct net_device *netdev) 3077 { 3078 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3079 struct qlcnic_host_sds_ring *sds_ring; 3080 struct qlcnic_recv_context *recv_ctx; 3081 struct qlcnic_host_tx_ring *tx_ring; 3082 int ring; 3083 3084 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3085 return; 3086 3087 recv_ctx = adapter->recv_ctx; 3088 3089 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3090 sds_ring = &recv_ctx->sds_rings[ring]; 3091 qlcnic_disable_sds_intr(adapter, sds_ring); 3092 napi_schedule(&sds_ring->napi); 3093 } 3094 3095 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3096 /* Only Multi-Tx queue capable devices need to 3097 * schedule NAPI for TX rings 3098 */ 3099 if ((qlcnic_83xx_check(adapter) && 3100 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3101 (qlcnic_82xx_check(adapter) && 3102 !qlcnic_check_multi_tx(adapter))) 3103 return; 3104 3105 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3106 tx_ring = &adapter->tx_ring[ring]; 3107 qlcnic_disable_tx_intr(adapter, tx_ring); 3108 napi_schedule(&tx_ring->napi); 3109 } 3110 } 3111 } 3112 #endif 3113 3114 static void 3115 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3116 { 3117 u32 val; 3118 3119 val = adapter->portnum & 0xf; 3120 val |= encoding << 7; 3121 val |= (jiffies - adapter->dev_rst_time) << 8; 3122 3123 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3124 adapter->dev_rst_time = jiffies; 3125 } 3126 3127 static int 3128 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3129 { 3130 u32 val; 3131 3132 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3133 state != QLCNIC_DEV_NEED_QUISCENT); 3134 3135 if (qlcnic_api_lock(adapter)) 3136 return -EIO; 3137 3138 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3139 3140 if (state == QLCNIC_DEV_NEED_RESET) 3141 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3142 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3143 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3144 3145 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3146 3147 qlcnic_api_unlock(adapter); 3148 3149 return 0; 3150 } 3151 3152 static int 3153 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3154 { 3155 u32 val; 3156 3157 if (qlcnic_api_lock(adapter)) 3158 return -EBUSY; 3159 3160 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3161 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3162 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3163 3164 qlcnic_api_unlock(adapter); 3165 3166 return 0; 3167 } 3168 3169 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3170 { 3171 u32 val; 3172 3173 if (qlcnic_api_lock(adapter)) 3174 goto err; 3175 3176 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3177 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3178 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3179 3180 if (failed) { 3181 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3182 QLCNIC_DEV_FAILED); 3183 dev_info(&adapter->pdev->dev, 3184 "Device state set to Failed. Please Reboot\n"); 3185 } else if (!(val & 0x11111111)) 3186 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3187 QLCNIC_DEV_COLD); 3188 3189 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3190 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3191 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3192 3193 qlcnic_api_unlock(adapter); 3194 err: 3195 adapter->fw_fail_cnt = 0; 3196 adapter->flags &= ~QLCNIC_FW_HANG; 3197 clear_bit(__QLCNIC_START_FW, &adapter->state); 3198 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3199 } 3200 3201 /* Grab api lock, before checking state */ 3202 static int 3203 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3204 { 3205 int act, state, active_mask; 3206 struct qlcnic_hardware_context *ahw = adapter->ahw; 3207 3208 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3209 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3210 3211 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3212 active_mask = (~(1 << (ahw->pci_func * 4))); 3213 act = act & active_mask; 3214 } 3215 3216 if (((state & 0x11111111) == (act & 0x11111111)) || 3217 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3218 return 0; 3219 else 3220 return 1; 3221 } 3222 3223 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3224 { 3225 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3226 3227 if (val != QLCNIC_DRV_IDC_VER) { 3228 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3229 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3230 } 3231 3232 return 0; 3233 } 3234 3235 static int 3236 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3237 { 3238 u32 val, prev_state; 3239 u8 dev_init_timeo = adapter->dev_init_timeo; 3240 u8 portnum = adapter->portnum; 3241 u8 ret; 3242 3243 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3244 return 1; 3245 3246 if (qlcnic_api_lock(adapter)) 3247 return -1; 3248 3249 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3250 if (!(val & (1 << (portnum * 4)))) { 3251 QLC_DEV_SET_REF_CNT(val, portnum); 3252 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3253 } 3254 3255 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3256 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3257 3258 switch (prev_state) { 3259 case QLCNIC_DEV_COLD: 3260 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3261 QLCNIC_DEV_INITIALIZING); 3262 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3263 QLCNIC_DRV_IDC_VER); 3264 qlcnic_idc_debug_info(adapter, 0); 3265 qlcnic_api_unlock(adapter); 3266 return 1; 3267 3268 case QLCNIC_DEV_READY: 3269 ret = qlcnic_check_idc_ver(adapter); 3270 qlcnic_api_unlock(adapter); 3271 return ret; 3272 3273 case QLCNIC_DEV_NEED_RESET: 3274 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3275 QLC_DEV_SET_RST_RDY(val, portnum); 3276 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3277 break; 3278 3279 case QLCNIC_DEV_NEED_QUISCENT: 3280 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3281 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3282 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3283 break; 3284 3285 case QLCNIC_DEV_FAILED: 3286 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3287 qlcnic_api_unlock(adapter); 3288 return -1; 3289 3290 case QLCNIC_DEV_INITIALIZING: 3291 case QLCNIC_DEV_QUISCENT: 3292 break; 3293 } 3294 3295 qlcnic_api_unlock(adapter); 3296 3297 do { 3298 msleep(1000); 3299 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3300 3301 if (prev_state == QLCNIC_DEV_QUISCENT) 3302 continue; 3303 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3304 3305 if (!dev_init_timeo) { 3306 dev_err(&adapter->pdev->dev, 3307 "Waiting for device to initialize timeout\n"); 3308 return -1; 3309 } 3310 3311 if (qlcnic_api_lock(adapter)) 3312 return -1; 3313 3314 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3315 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3316 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3317 3318 ret = qlcnic_check_idc_ver(adapter); 3319 qlcnic_api_unlock(adapter); 3320 3321 return ret; 3322 } 3323 3324 static void 3325 qlcnic_fwinit_work(struct work_struct *work) 3326 { 3327 struct qlcnic_adapter *adapter = container_of(work, 3328 struct qlcnic_adapter, fw_work.work); 3329 u32 dev_state = 0xf; 3330 u32 val; 3331 3332 if (qlcnic_api_lock(adapter)) 3333 goto err_ret; 3334 3335 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3336 if (dev_state == QLCNIC_DEV_QUISCENT || 3337 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3338 qlcnic_api_unlock(adapter); 3339 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3340 FW_POLL_DELAY * 2); 3341 return; 3342 } 3343 3344 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3345 qlcnic_api_unlock(adapter); 3346 goto wait_npar; 3347 } 3348 3349 if (dev_state == QLCNIC_DEV_INITIALIZING || 3350 dev_state == QLCNIC_DEV_READY) { 3351 dev_info(&adapter->pdev->dev, "Detected state change from " 3352 "DEV_NEED_RESET, skipping ack check\n"); 3353 goto skip_ack_check; 3354 } 3355 3356 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3357 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3358 adapter->reset_ack_timeo); 3359 goto skip_ack_check; 3360 } 3361 3362 if (!qlcnic_check_drv_state(adapter)) { 3363 skip_ack_check: 3364 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3365 3366 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3367 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3368 QLCNIC_DEV_INITIALIZING); 3369 set_bit(__QLCNIC_START_FW, &adapter->state); 3370 QLCDB(adapter, DRV, "Restarting fw\n"); 3371 qlcnic_idc_debug_info(adapter, 0); 3372 val = QLC_SHARED_REG_RD32(adapter, 3373 QLCNIC_CRB_DRV_STATE); 3374 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3375 QLC_SHARED_REG_WR32(adapter, 3376 QLCNIC_CRB_DRV_STATE, val); 3377 } 3378 3379 qlcnic_api_unlock(adapter); 3380 3381 rtnl_lock(); 3382 if (qlcnic_check_fw_dump_state(adapter) && 3383 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3384 QLCDB(adapter, DRV, "Take FW dump\n"); 3385 qlcnic_dump_fw(adapter); 3386 adapter->flags |= QLCNIC_FW_HANG; 3387 } 3388 rtnl_unlock(); 3389 3390 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3391 if (!adapter->nic_ops->start_firmware(adapter)) { 3392 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3393 adapter->fw_wait_cnt = 0; 3394 return; 3395 } 3396 goto err_ret; 3397 } 3398 3399 qlcnic_api_unlock(adapter); 3400 3401 wait_npar: 3402 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3403 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3404 3405 switch (dev_state) { 3406 case QLCNIC_DEV_READY: 3407 if (!qlcnic_start_firmware(adapter)) { 3408 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3409 adapter->fw_wait_cnt = 0; 3410 return; 3411 } 3412 case QLCNIC_DEV_FAILED: 3413 break; 3414 default: 3415 qlcnic_schedule_work(adapter, 3416 qlcnic_fwinit_work, FW_POLL_DELAY); 3417 return; 3418 } 3419 3420 err_ret: 3421 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3422 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3423 netif_device_attach(adapter->netdev); 3424 qlcnic_clr_all_drv_state(adapter, 0); 3425 } 3426 3427 static void 3428 qlcnic_detach_work(struct work_struct *work) 3429 { 3430 struct qlcnic_adapter *adapter = container_of(work, 3431 struct qlcnic_adapter, fw_work.work); 3432 struct net_device *netdev = adapter->netdev; 3433 u32 status; 3434 3435 netif_device_detach(netdev); 3436 3437 /* Dont grab rtnl lock during Quiscent mode */ 3438 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3439 if (netif_running(netdev)) 3440 __qlcnic_down(adapter, netdev); 3441 } else 3442 qlcnic_down(adapter, netdev); 3443 3444 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3445 3446 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3447 dev_err(&adapter->pdev->dev, 3448 "Detaching the device: peg halt status1=0x%x\n", 3449 status); 3450 3451 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3452 dev_err(&adapter->pdev->dev, 3453 "On board active cooling fan failed. " 3454 "Device has been halted.\n"); 3455 dev_err(&adapter->pdev->dev, 3456 "Replace the adapter.\n"); 3457 } 3458 3459 goto err_ret; 3460 } 3461 3462 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3463 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3464 adapter->ahw->temp); 3465 goto err_ret; 3466 } 3467 3468 /* Dont ack if this instance is the reset owner */ 3469 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3470 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3471 dev_err(&adapter->pdev->dev, 3472 "Failed to set driver state," 3473 "detaching the device.\n"); 3474 goto err_ret; 3475 } 3476 } 3477 3478 adapter->fw_wait_cnt = 0; 3479 3480 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3481 3482 return; 3483 3484 err_ret: 3485 netif_device_attach(netdev); 3486 qlcnic_clr_all_drv_state(adapter, 1); 3487 } 3488 3489 /*Transit NPAR state to NON Operational */ 3490 static void 3491 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3492 { 3493 u32 state; 3494 3495 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3496 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3497 return; 3498 3499 if (qlcnic_api_lock(adapter)) 3500 return; 3501 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3502 QLCNIC_DEV_NPAR_NON_OPER); 3503 qlcnic_api_unlock(adapter); 3504 } 3505 3506 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3507 u32 key) 3508 { 3509 u32 state, xg_val = 0, gb_val = 0; 3510 3511 qlcnic_xg_set_xg0_mask(xg_val); 3512 qlcnic_xg_set_xg1_mask(xg_val); 3513 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3514 qlcnic_gb_set_gb0_mask(gb_val); 3515 qlcnic_gb_set_gb1_mask(gb_val); 3516 qlcnic_gb_set_gb2_mask(gb_val); 3517 qlcnic_gb_set_gb3_mask(gb_val); 3518 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3519 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3520 " on all ports\n"); 3521 adapter->need_fw_reset = 1; 3522 3523 if (qlcnic_api_lock(adapter)) 3524 return; 3525 3526 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3527 3528 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3529 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3530 __func__); 3531 qlcnic_api_unlock(adapter); 3532 3533 return; 3534 } 3535 3536 if (state == QLCNIC_DEV_READY) { 3537 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3538 QLCNIC_DEV_NEED_RESET); 3539 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3540 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3541 qlcnic_idc_debug_info(adapter, 0); 3542 } 3543 3544 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3545 QLCNIC_DEV_NPAR_NON_OPER); 3546 qlcnic_api_unlock(adapter); 3547 } 3548 3549 /* Transit to NPAR READY state from NPAR NOT READY state */ 3550 static void 3551 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3552 { 3553 if (qlcnic_api_lock(adapter)) 3554 return; 3555 3556 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3557 QLCNIC_DEV_NPAR_OPER); 3558 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3559 3560 qlcnic_api_unlock(adapter); 3561 } 3562 3563 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3564 work_func_t func, int delay) 3565 { 3566 if (test_bit(__QLCNIC_AER, &adapter->state)) 3567 return; 3568 3569 INIT_DELAYED_WORK(&adapter->fw_work, func); 3570 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3571 round_jiffies_relative(delay)); 3572 } 3573 3574 static void 3575 qlcnic_attach_work(struct work_struct *work) 3576 { 3577 struct qlcnic_adapter *adapter = container_of(work, 3578 struct qlcnic_adapter, fw_work.work); 3579 struct net_device *netdev = adapter->netdev; 3580 u32 npar_state; 3581 3582 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3583 npar_state = QLC_SHARED_REG_RD32(adapter, 3584 QLCNIC_CRB_DEV_NPAR_STATE); 3585 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3586 qlcnic_clr_all_drv_state(adapter, 0); 3587 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3588 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3589 FW_POLL_DELAY); 3590 else 3591 goto attach; 3592 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3593 return; 3594 } 3595 attach: 3596 qlcnic_dcb_get_info(adapter->dcb); 3597 3598 if (netif_running(netdev)) { 3599 if (qlcnic_up(adapter, netdev)) 3600 goto done; 3601 3602 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3603 } 3604 3605 done: 3606 netif_device_attach(netdev); 3607 adapter->fw_fail_cnt = 0; 3608 adapter->flags &= ~QLCNIC_FW_HANG; 3609 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3610 if (adapter->portnum == 0) 3611 qlcnic_set_drv_version(adapter); 3612 3613 if (!qlcnic_clr_drv_state(adapter)) 3614 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3615 FW_POLL_DELAY); 3616 } 3617 3618 static int 3619 qlcnic_check_health(struct qlcnic_adapter *adapter) 3620 { 3621 struct qlcnic_hardware_context *ahw = adapter->ahw; 3622 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3623 u32 state = 0, heartbeat; 3624 u32 peg_status; 3625 int err = 0; 3626 3627 if (qlcnic_check_temp(adapter)) 3628 goto detach; 3629 3630 if (adapter->need_fw_reset) 3631 qlcnic_dev_request_reset(adapter, 0); 3632 3633 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3634 if (state == QLCNIC_DEV_NEED_RESET) { 3635 qlcnic_set_npar_non_operational(adapter); 3636 adapter->need_fw_reset = 1; 3637 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3638 goto detach; 3639 3640 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3641 if (heartbeat != adapter->heartbeat) { 3642 adapter->heartbeat = heartbeat; 3643 adapter->fw_fail_cnt = 0; 3644 if (adapter->need_fw_reset) 3645 goto detach; 3646 3647 if (ahw->reset_context && qlcnic_auto_fw_reset) 3648 qlcnic_reset_hw_context(adapter); 3649 3650 return 0; 3651 } 3652 3653 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3654 return 0; 3655 3656 adapter->flags |= QLCNIC_FW_HANG; 3657 3658 qlcnic_dev_request_reset(adapter, 0); 3659 3660 if (qlcnic_auto_fw_reset) 3661 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3662 3663 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3664 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3665 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3666 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3667 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3668 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3669 "PEG_NET_4_PC: 0x%x\n", 3670 peg_status, 3671 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3672 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3673 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3674 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3675 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3676 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3677 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3678 dev_err(&adapter->pdev->dev, 3679 "Firmware aborted with error code 0x00006700. " 3680 "Device is being reset.\n"); 3681 detach: 3682 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3683 QLCNIC_DEV_NEED_RESET; 3684 3685 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3686 &adapter->state)) { 3687 3688 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3689 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3690 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3691 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3692 qlcnic_dump_fw(adapter); 3693 } 3694 3695 return 1; 3696 } 3697 3698 void qlcnic_fw_poll_work(struct work_struct *work) 3699 { 3700 struct qlcnic_adapter *adapter = container_of(work, 3701 struct qlcnic_adapter, fw_work.work); 3702 3703 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3704 goto reschedule; 3705 3706 3707 if (qlcnic_check_health(adapter)) 3708 return; 3709 3710 if (adapter->fhash.fnum) 3711 qlcnic_prune_lb_filters(adapter); 3712 3713 reschedule: 3714 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3715 } 3716 3717 static int qlcnic_is_first_func(struct pci_dev *pdev) 3718 { 3719 struct pci_dev *oth_pdev; 3720 int val = pdev->devfn; 3721 3722 while (val-- > 0) { 3723 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3724 (pdev->bus), pdev->bus->number, 3725 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3726 if (!oth_pdev) 3727 continue; 3728 3729 if (oth_pdev->current_state != PCI_D3cold) { 3730 pci_dev_put(oth_pdev); 3731 return 0; 3732 } 3733 pci_dev_put(oth_pdev); 3734 } 3735 return 1; 3736 } 3737 3738 static int qlcnic_attach_func(struct pci_dev *pdev) 3739 { 3740 int err, first_func; 3741 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3742 struct net_device *netdev = adapter->netdev; 3743 3744 pdev->error_state = pci_channel_io_normal; 3745 3746 err = pci_enable_device(pdev); 3747 if (err) 3748 return err; 3749 3750 pci_set_master(pdev); 3751 pci_restore_state(pdev); 3752 3753 first_func = qlcnic_is_first_func(pdev); 3754 3755 if (qlcnic_api_lock(adapter)) 3756 return -EINVAL; 3757 3758 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3759 adapter->need_fw_reset = 1; 3760 set_bit(__QLCNIC_START_FW, &adapter->state); 3761 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3762 QLCNIC_DEV_INITIALIZING); 3763 QLCDB(adapter, DRV, "Restarting fw\n"); 3764 } 3765 qlcnic_api_unlock(adapter); 3766 3767 err = qlcnic_start_firmware(adapter); 3768 if (err) 3769 return err; 3770 3771 qlcnic_clr_drv_state(adapter); 3772 kfree(adapter->msix_entries); 3773 adapter->msix_entries = NULL; 3774 err = qlcnic_setup_intr(adapter); 3775 3776 if (err) { 3777 kfree(adapter->msix_entries); 3778 netdev_err(netdev, "failed to setup interrupt\n"); 3779 return err; 3780 } 3781 3782 if (netif_running(netdev)) { 3783 err = qlcnic_attach(adapter); 3784 if (err) { 3785 qlcnic_clr_all_drv_state(adapter, 1); 3786 clear_bit(__QLCNIC_AER, &adapter->state); 3787 netif_device_attach(netdev); 3788 return err; 3789 } 3790 3791 err = qlcnic_up(adapter, netdev); 3792 if (err) 3793 goto done; 3794 3795 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3796 } 3797 done: 3798 netif_device_attach(netdev); 3799 return err; 3800 } 3801 3802 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3803 pci_channel_state_t state) 3804 { 3805 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3806 struct net_device *netdev = adapter->netdev; 3807 3808 if (state == pci_channel_io_perm_failure) 3809 return PCI_ERS_RESULT_DISCONNECT; 3810 3811 if (state == pci_channel_io_normal) 3812 return PCI_ERS_RESULT_RECOVERED; 3813 3814 set_bit(__QLCNIC_AER, &adapter->state); 3815 netif_device_detach(netdev); 3816 3817 cancel_delayed_work_sync(&adapter->fw_work); 3818 3819 if (netif_running(netdev)) 3820 qlcnic_down(adapter, netdev); 3821 3822 qlcnic_detach(adapter); 3823 qlcnic_teardown_intr(adapter); 3824 3825 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3826 3827 pci_save_state(pdev); 3828 pci_disable_device(pdev); 3829 3830 return PCI_ERS_RESULT_NEED_RESET; 3831 } 3832 3833 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3834 { 3835 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3836 PCI_ERS_RESULT_RECOVERED; 3837 } 3838 3839 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3840 { 3841 u32 state; 3842 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3843 3844 pci_cleanup_aer_uncorrect_error_status(pdev); 3845 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3846 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3847 &adapter->state)) 3848 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3849 FW_POLL_DELAY); 3850 } 3851 3852 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3853 pci_channel_state_t state) 3854 { 3855 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3856 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3857 3858 if (hw_ops->io_error_detected) { 3859 return hw_ops->io_error_detected(pdev, state); 3860 } else { 3861 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3862 return PCI_ERS_RESULT_DISCONNECT; 3863 } 3864 } 3865 3866 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3867 { 3868 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3869 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3870 3871 if (hw_ops->io_slot_reset) { 3872 return hw_ops->io_slot_reset(pdev); 3873 } else { 3874 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3875 return PCI_ERS_RESULT_DISCONNECT; 3876 } 3877 } 3878 3879 static void qlcnic_io_resume(struct pci_dev *pdev) 3880 { 3881 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3882 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3883 3884 if (hw_ops->io_resume) 3885 hw_ops->io_resume(pdev); 3886 else 3887 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3888 } 3889 3890 3891 static int 3892 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3893 { 3894 int err; 3895 3896 err = qlcnic_can_start_firmware(adapter); 3897 if (err) 3898 return err; 3899 3900 err = qlcnic_check_npar_opertional(adapter); 3901 if (err) 3902 return err; 3903 3904 err = qlcnic_initialize_nic(adapter); 3905 if (err) 3906 return err; 3907 3908 qlcnic_check_options(adapter); 3909 3910 err = qlcnic_set_eswitch_port_config(adapter); 3911 if (err) 3912 return err; 3913 3914 adapter->need_fw_reset = 0; 3915 3916 return err; 3917 } 3918 3919 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3920 int queue_type) 3921 { 3922 struct net_device *netdev = adapter->netdev; 3923 u8 max_hw_rings = 0; 3924 char buf[8]; 3925 int cur_rings; 3926 3927 if (queue_type == QLCNIC_RX_QUEUE) { 3928 max_hw_rings = adapter->max_sds_rings; 3929 cur_rings = adapter->drv_sds_rings; 3930 strcpy(buf, "SDS"); 3931 } else if (queue_type == QLCNIC_TX_QUEUE) { 3932 max_hw_rings = adapter->max_tx_rings; 3933 cur_rings = adapter->drv_tx_rings; 3934 strcpy(buf, "Tx"); 3935 } 3936 3937 if (!QLCNIC_IS_MSI_FAMILY(adapter)) { 3938 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n"); 3939 return -EINVAL; 3940 } 3941 3942 if (adapter->flags & QLCNIC_MSI_ENABLED) { 3943 netdev_err(netdev, "No RSS/TSS support in MSI mode\n"); 3944 return -EINVAL; 3945 } 3946 3947 if (!is_power_of_2(ring_cnt)) { 3948 netdev_err(netdev, "%s rings value should be a power of 2\n", 3949 buf); 3950 return -EINVAL; 3951 } 3952 3953 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3954 !qlcnic_check_multi_tx(adapter)) { 3955 netdev_err(netdev, "No Multi Tx queue support\n"); 3956 return -EINVAL; 3957 } 3958 3959 if (ring_cnt > num_online_cpus()) { 3960 netdev_err(netdev, 3961 "%s value[%u] should not be higher than, number of online CPUs\n", 3962 buf, num_online_cpus()); 3963 return -EINVAL; 3964 } 3965 3966 return 0; 3967 } 3968 3969 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 3970 { 3971 struct net_device *netdev = adapter->netdev; 3972 int err; 3973 3974 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3975 return -EBUSY; 3976 3977 netif_device_detach(netdev); 3978 if (netif_running(netdev)) 3979 __qlcnic_down(adapter, netdev); 3980 3981 qlcnic_detach(adapter); 3982 3983 if (qlcnic_83xx_check(adapter)) { 3984 qlcnic_83xx_free_mbx_intr(adapter); 3985 qlcnic_83xx_enable_mbx_poll(adapter); 3986 } 3987 3988 qlcnic_teardown_intr(adapter); 3989 3990 err = qlcnic_setup_intr(adapter); 3991 if (err) { 3992 kfree(adapter->msix_entries); 3993 netdev_err(netdev, "failed to setup interrupt\n"); 3994 return err; 3995 } 3996 3997 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings); 3998 3999 if (qlcnic_83xx_check(adapter)) { 4000 qlcnic_83xx_initialize_nic(adapter, 1); 4001 err = qlcnic_83xx_setup_mbx_intr(adapter); 4002 qlcnic_83xx_disable_mbx_poll(adapter); 4003 if (err) { 4004 dev_err(&adapter->pdev->dev, 4005 "failed to setup mbx interrupt\n"); 4006 goto done; 4007 } 4008 } 4009 4010 if (netif_running(netdev)) { 4011 err = qlcnic_attach(adapter); 4012 if (err) 4013 goto done; 4014 err = __qlcnic_up(adapter, netdev); 4015 if (err) 4016 goto done; 4017 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4018 } 4019 done: 4020 netif_device_attach(netdev); 4021 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4022 return err; 4023 } 4024 4025 #ifdef CONFIG_INET 4026 4027 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4028 4029 static void 4030 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4031 struct net_device *dev, unsigned long event) 4032 { 4033 struct in_device *indev; 4034 4035 indev = in_dev_get(dev); 4036 if (!indev) 4037 return; 4038 4039 for_ifa(indev) { 4040 switch (event) { 4041 case NETDEV_UP: 4042 qlcnic_config_ipaddr(adapter, 4043 ifa->ifa_address, QLCNIC_IP_UP); 4044 break; 4045 case NETDEV_DOWN: 4046 qlcnic_config_ipaddr(adapter, 4047 ifa->ifa_address, QLCNIC_IP_DOWN); 4048 break; 4049 default: 4050 break; 4051 } 4052 } endfor_ifa(indev); 4053 4054 in_dev_put(indev); 4055 } 4056 4057 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4058 { 4059 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4060 struct net_device *dev; 4061 u16 vid; 4062 4063 qlcnic_config_indev_addr(adapter, netdev, event); 4064 4065 rcu_read_lock(); 4066 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4067 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 4068 if (!dev) 4069 continue; 4070 qlcnic_config_indev_addr(adapter, dev, event); 4071 } 4072 rcu_read_unlock(); 4073 } 4074 4075 static int qlcnic_netdev_event(struct notifier_block *this, 4076 unsigned long event, void *ptr) 4077 { 4078 struct qlcnic_adapter *adapter; 4079 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4080 4081 recheck: 4082 if (dev == NULL) 4083 goto done; 4084 4085 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4086 dev = vlan_dev_real_dev(dev); 4087 goto recheck; 4088 } 4089 4090 if (!is_qlcnic_netdev(dev)) 4091 goto done; 4092 4093 adapter = netdev_priv(dev); 4094 4095 if (!adapter) 4096 goto done; 4097 4098 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4099 goto done; 4100 4101 qlcnic_config_indev_addr(adapter, dev, event); 4102 done: 4103 return NOTIFY_DONE; 4104 } 4105 4106 static int 4107 qlcnic_inetaddr_event(struct notifier_block *this, 4108 unsigned long event, void *ptr) 4109 { 4110 struct qlcnic_adapter *adapter; 4111 struct net_device *dev; 4112 4113 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4114 4115 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4116 4117 recheck: 4118 if (dev == NULL) 4119 goto done; 4120 4121 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4122 dev = vlan_dev_real_dev(dev); 4123 goto recheck; 4124 } 4125 4126 if (!is_qlcnic_netdev(dev)) 4127 goto done; 4128 4129 adapter = netdev_priv(dev); 4130 4131 if (!adapter) 4132 goto done; 4133 4134 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4135 goto done; 4136 4137 switch (event) { 4138 case NETDEV_UP: 4139 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4140 4141 break; 4142 case NETDEV_DOWN: 4143 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4144 4145 break; 4146 default: 4147 break; 4148 } 4149 4150 done: 4151 return NOTIFY_DONE; 4152 } 4153 4154 static struct notifier_block qlcnic_netdev_cb = { 4155 .notifier_call = qlcnic_netdev_event, 4156 }; 4157 4158 static struct notifier_block qlcnic_inetaddr_cb = { 4159 .notifier_call = qlcnic_inetaddr_event, 4160 }; 4161 #else 4162 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4163 { } 4164 #endif 4165 static const struct pci_error_handlers qlcnic_err_handler = { 4166 .error_detected = qlcnic_io_error_detected, 4167 .slot_reset = qlcnic_io_slot_reset, 4168 .resume = qlcnic_io_resume, 4169 }; 4170 4171 static struct pci_driver qlcnic_driver = { 4172 .name = qlcnic_driver_name, 4173 .id_table = qlcnic_pci_tbl, 4174 .probe = qlcnic_probe, 4175 .remove = qlcnic_remove, 4176 #ifdef CONFIG_PM 4177 .suspend = qlcnic_suspend, 4178 .resume = qlcnic_resume, 4179 #endif 4180 .shutdown = qlcnic_shutdown, 4181 .err_handler = &qlcnic_err_handler, 4182 #ifdef CONFIG_QLCNIC_SRIOV 4183 .sriov_configure = qlcnic_pci_sriov_configure, 4184 #endif 4185 4186 }; 4187 4188 static int __init qlcnic_init_module(void) 4189 { 4190 int ret; 4191 4192 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4193 4194 #ifdef CONFIG_INET 4195 register_netdevice_notifier(&qlcnic_netdev_cb); 4196 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4197 #endif 4198 4199 ret = pci_register_driver(&qlcnic_driver); 4200 if (ret) { 4201 #ifdef CONFIG_INET 4202 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4203 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4204 #endif 4205 } 4206 4207 return ret; 4208 } 4209 4210 module_init(qlcnic_init_module); 4211 4212 static void __exit qlcnic_exit_module(void) 4213 { 4214 pci_unregister_driver(&qlcnic_driver); 4215 4216 #ifdef CONFIG_INET 4217 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4218 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4219 #endif 4220 } 4221 4222 module_exit(qlcnic_exit_module); 4223