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 qlcnic_sriov_check(adapter)) { 383 if (is_unicast_ether_addr(addr)) { 384 err = dev_uc_del(netdev, addr); 385 if (!err) 386 err = qlcnic_nic_del_mac(adapter, addr); 387 } else if (is_multicast_ether_addr(addr)) { 388 err = dev_mc_del(netdev, addr); 389 } else { 390 err = -EINVAL; 391 } 392 } 393 return err; 394 } 395 396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 397 struct net_device *netdev, 398 const unsigned char *addr, u16 flags) 399 { 400 struct qlcnic_adapter *adapter = netdev_priv(netdev); 401 int err = 0; 402 403 if (!adapter->fdb_mac_learn) 404 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 405 406 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 407 !qlcnic_sriov_check(adapter)) { 408 pr_info("%s: FDB e-switch is not enabled\n", __func__); 409 return -EOPNOTSUPP; 410 } 411 412 if (ether_addr_equal(addr, adapter->mac_addr)) 413 return err; 414 415 if (is_unicast_ether_addr(addr)) { 416 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 417 err = dev_uc_add_excl(netdev, addr); 418 else 419 err = -ENOMEM; 420 } else if (is_multicast_ether_addr(addr)) { 421 err = dev_mc_add_excl(netdev, addr); 422 } else { 423 err = -EINVAL; 424 } 425 426 return err; 427 } 428 429 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 430 struct net_device *netdev, 431 struct net_device *filter_dev, int idx) 432 { 433 struct qlcnic_adapter *adapter = netdev_priv(netdev); 434 435 if (!adapter->fdb_mac_learn) 436 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 437 438 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 439 qlcnic_sriov_check(adapter)) 440 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 441 442 return idx; 443 } 444 445 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 446 { 447 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 448 usleep_range(10000, 11000); 449 450 if (!adapter->fw_work.work.func) 451 return; 452 453 cancel_delayed_work_sync(&adapter->fw_work); 454 } 455 456 static int qlcnic_get_phys_port_id(struct net_device *netdev, 457 struct netdev_phys_port_id *ppid) 458 { 459 struct qlcnic_adapter *adapter = netdev_priv(netdev); 460 struct qlcnic_hardware_context *ahw = adapter->ahw; 461 462 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 463 return -EOPNOTSUPP; 464 465 ppid->id_len = sizeof(ahw->phys_port_id); 466 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 467 468 return 0; 469 } 470 471 #ifdef CONFIG_QLCNIC_VXLAN 472 static void qlcnic_add_vxlan_port(struct net_device *netdev, 473 sa_family_t sa_family, __be16 port) 474 { 475 struct qlcnic_adapter *adapter = netdev_priv(netdev); 476 struct qlcnic_hardware_context *ahw = adapter->ahw; 477 478 /* Adapter supports only one VXLAN port. Use very first port 479 * for enabling offload 480 */ 481 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port) 482 return; 483 484 ahw->vxlan_port = ntohs(port); 485 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 486 } 487 488 static void qlcnic_del_vxlan_port(struct net_device *netdev, 489 sa_family_t sa_family, __be16 port) 490 { 491 struct qlcnic_adapter *adapter = netdev_priv(netdev); 492 struct qlcnic_hardware_context *ahw = adapter->ahw; 493 494 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port || 495 (ahw->vxlan_port != ntohs(port))) 496 return; 497 498 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 499 } 500 #endif 501 502 static const struct net_device_ops qlcnic_netdev_ops = { 503 .ndo_open = qlcnic_open, 504 .ndo_stop = qlcnic_close, 505 .ndo_start_xmit = qlcnic_xmit_frame, 506 .ndo_get_stats = qlcnic_get_stats, 507 .ndo_validate_addr = eth_validate_addr, 508 .ndo_set_rx_mode = qlcnic_set_multi, 509 .ndo_set_mac_address = qlcnic_set_mac, 510 .ndo_change_mtu = qlcnic_change_mtu, 511 .ndo_fix_features = qlcnic_fix_features, 512 .ndo_set_features = qlcnic_set_features, 513 .ndo_tx_timeout = qlcnic_tx_timeout, 514 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 515 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 516 .ndo_fdb_add = qlcnic_fdb_add, 517 .ndo_fdb_del = qlcnic_fdb_del, 518 .ndo_fdb_dump = qlcnic_fdb_dump, 519 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 520 #ifdef CONFIG_QLCNIC_VXLAN 521 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 522 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 523 #endif 524 #ifdef CONFIG_NET_POLL_CONTROLLER 525 .ndo_poll_controller = qlcnic_poll_controller, 526 #endif 527 #ifdef CONFIG_QLCNIC_SRIOV 528 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 529 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 530 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 531 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 532 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 533 #endif 534 }; 535 536 static const struct net_device_ops qlcnic_netdev_failed_ops = { 537 .ndo_open = qlcnic_open, 538 }; 539 540 static struct qlcnic_nic_template qlcnic_ops = { 541 .config_bridged_mode = qlcnic_config_bridged_mode, 542 .config_led = qlcnic_82xx_config_led, 543 .start_firmware = qlcnic_82xx_start_firmware, 544 .request_reset = qlcnic_82xx_dev_request_reset, 545 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 546 .napi_add = qlcnic_82xx_napi_add, 547 .napi_del = qlcnic_82xx_napi_del, 548 .config_ipaddr = qlcnic_82xx_config_ipaddr, 549 .shutdown = qlcnic_82xx_shutdown, 550 .resume = qlcnic_82xx_resume, 551 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 552 }; 553 554 struct qlcnic_nic_template qlcnic_vf_ops = { 555 .config_bridged_mode = qlcnicvf_config_bridged_mode, 556 .config_led = qlcnicvf_config_led, 557 .start_firmware = qlcnicvf_start_firmware 558 }; 559 560 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 561 .read_crb = qlcnic_82xx_read_crb, 562 .write_crb = qlcnic_82xx_write_crb, 563 .read_reg = qlcnic_82xx_hw_read_wx_2M, 564 .write_reg = qlcnic_82xx_hw_write_wx_2M, 565 .get_mac_address = qlcnic_82xx_get_mac_address, 566 .setup_intr = qlcnic_82xx_setup_intr, 567 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 568 .mbx_cmd = qlcnic_82xx_issue_cmd, 569 .get_func_no = qlcnic_82xx_get_func_no, 570 .api_lock = qlcnic_82xx_api_lock, 571 .api_unlock = qlcnic_82xx_api_unlock, 572 .add_sysfs = qlcnic_82xx_add_sysfs, 573 .remove_sysfs = qlcnic_82xx_remove_sysfs, 574 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 575 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 576 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 577 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 578 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 579 .setup_link_event = qlcnic_82xx_linkevent_request, 580 .get_nic_info = qlcnic_82xx_get_nic_info, 581 .get_pci_info = qlcnic_82xx_get_pci_info, 582 .set_nic_info = qlcnic_82xx_set_nic_info, 583 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 584 .napi_enable = qlcnic_82xx_napi_enable, 585 .napi_disable = qlcnic_82xx_napi_disable, 586 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 587 .config_rss = qlcnic_82xx_config_rss, 588 .config_hw_lro = qlcnic_82xx_config_hw_lro, 589 .config_loopback = qlcnic_82xx_set_lb_mode, 590 .clear_loopback = qlcnic_82xx_clear_lb_mode, 591 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 592 .change_l2_filter = qlcnic_82xx_change_filter, 593 .get_board_info = qlcnic_82xx_get_board_info, 594 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 595 .free_mac_list = qlcnic_82xx_free_mac_list, 596 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 597 .io_error_detected = qlcnic_82xx_io_error_detected, 598 .io_slot_reset = qlcnic_82xx_io_slot_reset, 599 .io_resume = qlcnic_82xx_io_resume, 600 .get_beacon_state = qlcnic_82xx_get_beacon_state, 601 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 602 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 603 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 604 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 605 .get_saved_state = qlcnic_82xx_get_saved_state, 606 .set_saved_state = qlcnic_82xx_set_saved_state, 607 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 608 .get_cap_size = qlcnic_82xx_get_cap_size, 609 .set_sys_info = qlcnic_82xx_set_sys_info, 610 .store_cap_mask = qlcnic_82xx_store_cap_mask, 611 }; 612 613 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 614 { 615 struct qlcnic_hardware_context *ahw = adapter->ahw; 616 617 if (qlcnic_82xx_check(adapter) && 618 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 619 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 620 return 0; 621 } else { 622 return 1; 623 } 624 } 625 626 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 627 int queue_type) 628 { 629 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 630 631 if (queue_type == QLCNIC_RX_QUEUE) 632 max_rings = adapter->max_sds_rings; 633 else if (queue_type == QLCNIC_TX_QUEUE) 634 max_rings = adapter->max_tx_rings; 635 636 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 637 max_rings)); 638 639 if (ring_cnt > num_rings) 640 return num_rings; 641 else 642 return ring_cnt; 643 } 644 645 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 646 { 647 /* 83xx adapter does not have max_tx_rings intialized in probe */ 648 if (adapter->max_tx_rings) 649 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 650 QLCNIC_TX_QUEUE); 651 else 652 adapter->drv_tx_rings = tx_cnt; 653 } 654 655 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 656 { 657 /* 83xx adapter does not have max_sds_rings intialized in probe */ 658 if (adapter->max_sds_rings) 659 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 660 QLCNIC_RX_QUEUE); 661 else 662 adapter->drv_sds_rings = rx_cnt; 663 } 664 665 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 666 { 667 struct pci_dev *pdev = adapter->pdev; 668 int num_msix = 0, err = 0, vector; 669 670 adapter->flags &= ~QLCNIC_TSS_RSS; 671 672 if (adapter->drv_tss_rings > 0) 673 num_msix += adapter->drv_tss_rings; 674 else 675 num_msix += adapter->drv_tx_rings; 676 677 if (adapter->drv_rss_rings > 0) 678 num_msix += adapter->drv_rss_rings; 679 else 680 num_msix += adapter->drv_sds_rings; 681 682 if (qlcnic_83xx_check(adapter)) 683 num_msix += 1; 684 685 if (!adapter->msix_entries) { 686 adapter->msix_entries = kcalloc(num_msix, 687 sizeof(struct msix_entry), 688 GFP_KERNEL); 689 if (!adapter->msix_entries) 690 return -ENOMEM; 691 } 692 693 for (vector = 0; vector < num_msix; vector++) 694 adapter->msix_entries[vector].entry = vector; 695 696 restore: 697 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 698 if (err == -ENOSPC) { 699 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 700 return err; 701 702 netdev_info(adapter->netdev, 703 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 704 num_msix, err); 705 706 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 707 708 /* Set rings to 0 so we can restore original TSS/RSS count */ 709 adapter->drv_tss_rings = 0; 710 adapter->drv_rss_rings = 0; 711 712 if (qlcnic_83xx_check(adapter)) 713 num_msix += 1; 714 715 netdev_info(adapter->netdev, 716 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 717 adapter->drv_tx_rings, adapter->drv_sds_rings, 718 num_msix); 719 720 goto restore; 721 } else if (err < 0) { 722 return err; 723 } 724 725 adapter->ahw->num_msix = num_msix; 726 if (adapter->drv_tss_rings > 0) 727 adapter->drv_tx_rings = adapter->drv_tss_rings; 728 729 if (adapter->drv_rss_rings > 0) 730 adapter->drv_sds_rings = adapter->drv_rss_rings; 731 732 return 0; 733 } 734 735 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 736 { 737 struct pci_dev *pdev = adapter->pdev; 738 int err, vector; 739 740 if (!adapter->msix_entries) { 741 adapter->msix_entries = kcalloc(num_msix, 742 sizeof(struct msix_entry), 743 GFP_KERNEL); 744 if (!adapter->msix_entries) 745 return -ENOMEM; 746 } 747 748 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 749 750 if (adapter->ahw->msix_supported) { 751 enable_msix: 752 for (vector = 0; vector < num_msix; vector++) 753 adapter->msix_entries[vector].entry = vector; 754 755 err = pci_enable_msix_range(pdev, 756 adapter->msix_entries, 1, num_msix); 757 758 if (err == num_msix) { 759 adapter->flags |= QLCNIC_MSIX_ENABLED; 760 adapter->ahw->num_msix = num_msix; 761 dev_info(&pdev->dev, "using msi-x interrupts\n"); 762 return 0; 763 } else if (err > 0) { 764 pci_disable_msix(pdev); 765 766 dev_info(&pdev->dev, 767 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 768 num_msix, err); 769 770 if (qlcnic_82xx_check(adapter)) { 771 num_msix = rounddown_pow_of_two(err); 772 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 773 return -ENOSPC; 774 } else { 775 num_msix = rounddown_pow_of_two(err - 1); 776 num_msix += 1; 777 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 778 return -ENOSPC; 779 } 780 781 if (qlcnic_82xx_check(adapter) && 782 !qlcnic_check_multi_tx(adapter)) { 783 adapter->drv_sds_rings = num_msix; 784 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 785 } else { 786 /* Distribute vectors equally */ 787 adapter->drv_tx_rings = num_msix / 2; 788 adapter->drv_sds_rings = adapter->drv_tx_rings; 789 } 790 791 if (num_msix) { 792 dev_info(&pdev->dev, 793 "Trying to allocate %d MSI-X interrupt vectors\n", 794 num_msix); 795 goto enable_msix; 796 } 797 } else { 798 dev_info(&pdev->dev, 799 "Unable to allocate %d MSI-X vectors, err=%d\n", 800 num_msix, err); 801 return err; 802 } 803 } 804 805 return -EIO; 806 } 807 808 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 809 { 810 int num_msix; 811 812 num_msix = adapter->drv_sds_rings; 813 814 if (qlcnic_check_multi_tx(adapter)) 815 num_msix += adapter->drv_tx_rings; 816 else 817 num_msix += QLCNIC_SINGLE_RING; 818 819 return num_msix; 820 } 821 822 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 823 { 824 int err = 0; 825 u32 offset, mask_reg; 826 const struct qlcnic_legacy_intr_set *legacy_intrp; 827 struct qlcnic_hardware_context *ahw = adapter->ahw; 828 struct pci_dev *pdev = adapter->pdev; 829 830 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 831 adapter->flags |= QLCNIC_MSI_ENABLED; 832 offset = msi_tgt_status[adapter->ahw->pci_func]; 833 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 834 offset); 835 dev_info(&pdev->dev, "using msi interrupts\n"); 836 adapter->msix_entries[0].vector = pdev->irq; 837 return err; 838 } 839 840 if (qlcnic_use_msi || qlcnic_use_msi_x) 841 return -EOPNOTSUPP; 842 843 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 844 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 845 offset = legacy_intrp->tgt_status_reg; 846 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 847 mask_reg = legacy_intrp->tgt_mask_reg; 848 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 849 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 850 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 851 dev_info(&pdev->dev, "using legacy interrupts\n"); 852 adapter->msix_entries[0].vector = pdev->irq; 853 return err; 854 } 855 856 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 857 { 858 int num_msix, err = 0; 859 860 if (adapter->flags & QLCNIC_TSS_RSS) { 861 err = qlcnic_setup_tss_rss_intr(adapter); 862 if (err < 0) 863 return err; 864 num_msix = adapter->ahw->num_msix; 865 } else { 866 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 867 868 err = qlcnic_enable_msix(adapter, num_msix); 869 if (err == -ENOMEM) 870 return err; 871 872 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 873 qlcnic_disable_multi_tx(adapter); 874 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 875 876 err = qlcnic_enable_msi_legacy(adapter); 877 if (err) 878 return err; 879 } 880 } 881 882 return 0; 883 } 884 885 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 886 { 887 struct qlcnic_hardware_context *ahw = adapter->ahw; 888 int err, i; 889 890 if (qlcnic_check_multi_tx(adapter) && 891 !ahw->diag_test && 892 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 893 ahw->intr_tbl = vzalloc(ahw->num_msix * 894 sizeof(struct qlcnic_intrpt_config)); 895 if (!ahw->intr_tbl) 896 return -ENOMEM; 897 898 for (i = 0; i < ahw->num_msix; i++) { 899 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 900 ahw->intr_tbl[i].id = i; 901 ahw->intr_tbl[i].src = 0; 902 } 903 904 err = qlcnic_82xx_config_intrpt(adapter, 1); 905 if (err) 906 dev_err(&adapter->pdev->dev, 907 "Failed to configure Interrupt for %d vector\n", 908 ahw->num_msix); 909 return err; 910 } 911 912 return 0; 913 } 914 915 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 916 { 917 if (adapter->flags & QLCNIC_MSIX_ENABLED) 918 pci_disable_msix(adapter->pdev); 919 if (adapter->flags & QLCNIC_MSI_ENABLED) 920 pci_disable_msi(adapter->pdev); 921 922 kfree(adapter->msix_entries); 923 adapter->msix_entries = NULL; 924 925 if (adapter->ahw->intr_tbl) { 926 vfree(adapter->ahw->intr_tbl); 927 adapter->ahw->intr_tbl = NULL; 928 } 929 } 930 931 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 932 { 933 if (ahw->pci_base0 != NULL) 934 iounmap(ahw->pci_base0); 935 } 936 937 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 938 { 939 struct qlcnic_hardware_context *ahw = adapter->ahw; 940 struct qlcnic_pci_info *pci_info; 941 int ret; 942 943 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 944 switch (ahw->port_type) { 945 case QLCNIC_GBE: 946 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 947 break; 948 case QLCNIC_XGBE: 949 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 950 break; 951 } 952 return 0; 953 } 954 955 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 956 return 0; 957 958 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 959 if (!pci_info) 960 return -ENOMEM; 961 962 ret = qlcnic_get_pci_info(adapter, pci_info); 963 kfree(pci_info); 964 return ret; 965 } 966 967 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 968 { 969 bool ret = false; 970 971 if (qlcnic_84xx_check(adapter)) { 972 ret = true; 973 } else if (qlcnic_83xx_check(adapter)) { 974 if (adapter->ahw->extra_capability[0] & 975 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 976 ret = true; 977 else 978 ret = false; 979 } 980 981 return ret; 982 } 983 984 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 985 { 986 struct qlcnic_hardware_context *ahw = adapter->ahw; 987 struct qlcnic_pci_info *pci_info; 988 int i, id = 0, ret = 0, j = 0; 989 u16 act_pci_func; 990 u8 pfn; 991 992 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 993 if (!pci_info) 994 return -ENOMEM; 995 996 ret = qlcnic_get_pci_info(adapter, pci_info); 997 if (ret) 998 goto err_pci_info; 999 1000 act_pci_func = ahw->total_nic_func; 1001 1002 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1003 act_pci_func, GFP_KERNEL); 1004 if (!adapter->npars) { 1005 ret = -ENOMEM; 1006 goto err_pci_info; 1007 } 1008 1009 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1010 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1011 if (!adapter->eswitch) { 1012 ret = -ENOMEM; 1013 goto err_npars; 1014 } 1015 1016 for (i = 0; i < ahw->max_vnic_func; i++) { 1017 pfn = pci_info[i].id; 1018 1019 if (pfn >= ahw->max_vnic_func) { 1020 ret = QL_STATUS_INVALID_PARAM; 1021 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1022 __func__, pfn, ahw->max_vnic_func); 1023 goto err_eswitch; 1024 } 1025 1026 if (!pci_info[i].active || 1027 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1028 continue; 1029 1030 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1031 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1032 &id)) 1033 adapter->npars[j].eswitch_status = true; 1034 else 1035 continue; 1036 } else { 1037 adapter->npars[j].eswitch_status = true; 1038 } 1039 1040 adapter->npars[j].pci_func = pfn; 1041 adapter->npars[j].active = (u8)pci_info[i].active; 1042 adapter->npars[j].type = (u8)pci_info[i].type; 1043 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1044 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1045 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1046 1047 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1048 j++; 1049 } 1050 1051 /* Update eSwitch status for adapters without per port eSwitch 1052 * configuration capability 1053 */ 1054 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1055 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1056 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1057 } 1058 1059 kfree(pci_info); 1060 return 0; 1061 1062 err_eswitch: 1063 kfree(adapter->eswitch); 1064 adapter->eswitch = NULL; 1065 err_npars: 1066 kfree(adapter->npars); 1067 adapter->npars = NULL; 1068 err_pci_info: 1069 kfree(pci_info); 1070 1071 return ret; 1072 } 1073 1074 static int 1075 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1076 { 1077 u8 id; 1078 int ret; 1079 u32 data = QLCNIC_MGMT_FUNC; 1080 struct qlcnic_hardware_context *ahw = adapter->ahw; 1081 1082 ret = qlcnic_api_lock(adapter); 1083 if (ret) 1084 goto err_lock; 1085 1086 id = ahw->pci_func; 1087 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1088 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1089 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1090 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1091 qlcnic_api_unlock(adapter); 1092 err_lock: 1093 return ret; 1094 } 1095 1096 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1097 const struct pci_device_id *ent) 1098 { 1099 u32 op_mode, priv_level; 1100 1101 /* Determine FW API version */ 1102 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1103 QLCNIC_FW_API); 1104 1105 /* Find PCI function number */ 1106 qlcnic_get_func_no(adapter); 1107 1108 /* Determine function privilege level */ 1109 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1110 if (op_mode == QLC_DEV_DRV_DEFAULT) 1111 priv_level = QLCNIC_MGMT_FUNC; 1112 else 1113 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1114 1115 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1116 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1117 dev_info(&adapter->pdev->dev, 1118 "HAL Version: %d Non Privileged function\n", 1119 adapter->ahw->fw_hal_version); 1120 adapter->nic_ops = &qlcnic_vf_ops; 1121 } else 1122 adapter->nic_ops = &qlcnic_ops; 1123 } 1124 1125 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1126 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1127 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1128 { 1129 switch (dev_id) { 1130 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1131 *bar = QLCNIC_82XX_BAR0_LENGTH; 1132 break; 1133 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1134 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1135 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1136 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1137 *bar = QLCNIC_83XX_BAR0_LENGTH; 1138 break; 1139 default: 1140 *bar = 0; 1141 } 1142 } 1143 1144 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1145 struct qlcnic_hardware_context *ahw) 1146 { 1147 u32 offset; 1148 void __iomem *mem_ptr0 = NULL; 1149 unsigned long mem_len, pci_len0 = 0, bar0_len; 1150 1151 /* remap phys address */ 1152 mem_len = pci_resource_len(pdev, 0); 1153 1154 qlcnic_get_bar_length(pdev->device, &bar0_len); 1155 if (mem_len >= bar0_len) { 1156 1157 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1158 if (mem_ptr0 == NULL) { 1159 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1160 return -EIO; 1161 } 1162 pci_len0 = mem_len; 1163 } else { 1164 return -EIO; 1165 } 1166 1167 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1168 1169 ahw->pci_base0 = mem_ptr0; 1170 ahw->pci_len0 = pci_len0; 1171 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1172 qlcnic_get_ioaddr(ahw, offset); 1173 1174 return 0; 1175 } 1176 1177 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1178 int index) 1179 { 1180 struct pci_dev *pdev = adapter->pdev; 1181 unsigned short subsystem_vendor; 1182 bool ret = true; 1183 1184 subsystem_vendor = pdev->subsystem_vendor; 1185 1186 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1187 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1188 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1189 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1190 ret = true; 1191 else 1192 ret = false; 1193 } 1194 1195 return ret; 1196 } 1197 1198 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1199 { 1200 struct pci_dev *pdev = adapter->pdev; 1201 int i, found = 0; 1202 1203 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1204 if (qlcnic_boards[i].vendor == pdev->vendor && 1205 qlcnic_boards[i].device == pdev->device && 1206 qlcnic_validate_subsystem_id(adapter, i)) { 1207 found = 1; 1208 break; 1209 } 1210 } 1211 1212 if (!found) 1213 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1214 else 1215 sprintf(name, "%pM: %s" , adapter->mac_addr, 1216 qlcnic_boards[i].short_name); 1217 } 1218 1219 static void 1220 qlcnic_check_options(struct qlcnic_adapter *adapter) 1221 { 1222 int err; 1223 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1224 struct pci_dev *pdev = adapter->pdev; 1225 struct qlcnic_hardware_context *ahw = adapter->ahw; 1226 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1227 1228 prev_fw_version = adapter->fw_version; 1229 1230 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1231 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1232 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1233 1234 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1235 1236 err = qlcnic_get_board_info(adapter); 1237 if (err) { 1238 dev_err(&pdev->dev, "Error getting board config info.\n"); 1239 return; 1240 } 1241 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1242 if (fw_dump->tmpl_hdr == NULL || 1243 adapter->fw_version > prev_fw_version) { 1244 if (fw_dump->tmpl_hdr) 1245 vfree(fw_dump->tmpl_hdr); 1246 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1247 dev_info(&pdev->dev, 1248 "Supports FW dump capability\n"); 1249 } 1250 } 1251 1252 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1253 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1254 1255 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1256 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1257 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1258 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1259 } else { 1260 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1262 } 1263 1264 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1265 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1266 1267 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1268 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1269 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1270 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1271 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1272 } 1273 1274 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1275 1276 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1277 1278 adapter->max_rds_rings = MAX_RDS_RINGS; 1279 } 1280 1281 static int 1282 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1283 { 1284 struct qlcnic_info nic_info; 1285 int err = 0; 1286 1287 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1288 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1289 if (err) 1290 return err; 1291 1292 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1293 adapter->ahw->switch_mode = nic_info.switch_mode; 1294 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1295 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1296 adapter->ahw->capabilities = nic_info.capabilities; 1297 1298 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1299 u32 temp; 1300 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1301 if (err == -EIO) 1302 return err; 1303 adapter->ahw->extra_capability[0] = temp; 1304 } else { 1305 adapter->ahw->extra_capability[0] = 0; 1306 } 1307 1308 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1309 adapter->ahw->max_mtu = nic_info.max_mtu; 1310 1311 if (adapter->ahw->capabilities & BIT_6) { 1312 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1313 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1314 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1315 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1316 1317 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1318 } else { 1319 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1320 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1321 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1322 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1323 } 1324 1325 return err; 1326 } 1327 1328 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1329 struct qlcnic_esw_func_cfg *esw_cfg) 1330 { 1331 if (esw_cfg->discard_tagged) 1332 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1333 else 1334 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1335 1336 if (esw_cfg->vlan_id) { 1337 adapter->rx_pvid = esw_cfg->vlan_id; 1338 adapter->tx_pvid = esw_cfg->vlan_id; 1339 } else { 1340 adapter->rx_pvid = 0; 1341 adapter->tx_pvid = 0; 1342 } 1343 } 1344 1345 static int 1346 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1347 { 1348 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1349 int err; 1350 1351 if (qlcnic_sriov_vf_check(adapter)) { 1352 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1353 if (err) { 1354 netdev_err(netdev, 1355 "Cannot add VLAN filter for VLAN id %d, err=%d", 1356 vid, err); 1357 return err; 1358 } 1359 } 1360 1361 set_bit(vid, adapter->vlans); 1362 return 0; 1363 } 1364 1365 static int 1366 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1367 { 1368 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1369 int err; 1370 1371 if (qlcnic_sriov_vf_check(adapter)) { 1372 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1373 if (err) { 1374 netdev_err(netdev, 1375 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1376 vid, err); 1377 return err; 1378 } 1379 } 1380 1381 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1382 clear_bit(vid, adapter->vlans); 1383 return 0; 1384 } 1385 1386 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1387 struct qlcnic_esw_func_cfg *esw_cfg) 1388 { 1389 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1390 QLCNIC_PROMISC_DISABLED); 1391 1392 if (esw_cfg->mac_anti_spoof) 1393 adapter->flags |= QLCNIC_MACSPOOF; 1394 1395 if (!esw_cfg->mac_override) 1396 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1397 1398 if (!esw_cfg->promisc_mode) 1399 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1400 } 1401 1402 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1403 { 1404 struct qlcnic_esw_func_cfg esw_cfg; 1405 1406 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1407 return 0; 1408 1409 esw_cfg.pci_func = adapter->ahw->pci_func; 1410 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1411 return -EIO; 1412 qlcnic_set_vlan_config(adapter, &esw_cfg); 1413 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1414 qlcnic_set_netdev_features(adapter, &esw_cfg); 1415 1416 return 0; 1417 } 1418 1419 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1420 struct qlcnic_esw_func_cfg *esw_cfg) 1421 { 1422 struct net_device *netdev = adapter->netdev; 1423 1424 if (qlcnic_83xx_check(adapter)) 1425 return; 1426 1427 adapter->offload_flags = esw_cfg->offload_flags; 1428 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1429 netdev_update_features(netdev); 1430 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1431 } 1432 1433 static int 1434 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1435 { 1436 u32 op_mode, priv_level; 1437 int err = 0; 1438 1439 err = qlcnic_initialize_nic(adapter); 1440 if (err) 1441 return err; 1442 1443 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1444 return 0; 1445 1446 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1447 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1448 1449 if (op_mode == QLC_DEV_DRV_DEFAULT) 1450 priv_level = QLCNIC_MGMT_FUNC; 1451 else 1452 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1453 1454 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1455 if (priv_level == QLCNIC_MGMT_FUNC) { 1456 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1457 err = qlcnic_init_pci_info(adapter); 1458 if (err) 1459 return err; 1460 /* Set privilege level for other functions */ 1461 qlcnic_set_function_modes(adapter); 1462 dev_info(&adapter->pdev->dev, 1463 "HAL Version: %d, Management function\n", 1464 adapter->ahw->fw_hal_version); 1465 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1466 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1467 dev_info(&adapter->pdev->dev, 1468 "HAL Version: %d, Privileged function\n", 1469 adapter->ahw->fw_hal_version); 1470 } 1471 } else { 1472 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1473 } 1474 1475 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1476 1477 return err; 1478 } 1479 1480 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1481 { 1482 struct qlcnic_esw_func_cfg esw_cfg; 1483 struct qlcnic_npar_info *npar; 1484 u8 i; 1485 1486 if (adapter->need_fw_reset) 1487 return 0; 1488 1489 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1490 if (!adapter->npars[i].eswitch_status) 1491 continue; 1492 1493 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1494 esw_cfg.pci_func = adapter->npars[i].pci_func; 1495 esw_cfg.mac_override = BIT_0; 1496 esw_cfg.promisc_mode = BIT_0; 1497 if (qlcnic_82xx_check(adapter)) { 1498 esw_cfg.offload_flags = BIT_0; 1499 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1500 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1501 } 1502 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1503 return -EIO; 1504 npar = &adapter->npars[i]; 1505 npar->pvid = esw_cfg.vlan_id; 1506 npar->mac_override = esw_cfg.mac_override; 1507 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1508 npar->discard_tagged = esw_cfg.discard_tagged; 1509 npar->promisc_mode = esw_cfg.promisc_mode; 1510 npar->offload_flags = esw_cfg.offload_flags; 1511 } 1512 1513 return 0; 1514 } 1515 1516 1517 static int 1518 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1519 struct qlcnic_npar_info *npar, int pci_func) 1520 { 1521 struct qlcnic_esw_func_cfg esw_cfg; 1522 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1523 esw_cfg.pci_func = pci_func; 1524 esw_cfg.vlan_id = npar->pvid; 1525 esw_cfg.mac_override = npar->mac_override; 1526 esw_cfg.discard_tagged = npar->discard_tagged; 1527 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1528 esw_cfg.offload_flags = npar->offload_flags; 1529 esw_cfg.promisc_mode = npar->promisc_mode; 1530 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1531 return -EIO; 1532 1533 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1534 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1535 return -EIO; 1536 1537 return 0; 1538 } 1539 1540 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1541 { 1542 int i, err; 1543 struct qlcnic_npar_info *npar; 1544 struct qlcnic_info nic_info; 1545 u8 pci_func; 1546 1547 if (qlcnic_82xx_check(adapter)) 1548 if (!adapter->need_fw_reset) 1549 return 0; 1550 1551 /* Set the NPAR config data after FW reset */ 1552 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1553 npar = &adapter->npars[i]; 1554 pci_func = npar->pci_func; 1555 if (!adapter->npars[i].eswitch_status) 1556 continue; 1557 1558 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1559 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1560 if (err) 1561 return err; 1562 nic_info.min_tx_bw = npar->min_bw; 1563 nic_info.max_tx_bw = npar->max_bw; 1564 err = qlcnic_set_nic_info(adapter, &nic_info); 1565 if (err) 1566 return err; 1567 1568 if (npar->enable_pm) { 1569 err = qlcnic_config_port_mirroring(adapter, 1570 npar->dest_npar, 1, 1571 pci_func); 1572 if (err) 1573 return err; 1574 } 1575 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1576 if (err) 1577 return err; 1578 } 1579 return 0; 1580 } 1581 1582 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1583 { 1584 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1585 u32 npar_state; 1586 1587 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1588 return 0; 1589 1590 npar_state = QLC_SHARED_REG_RD32(adapter, 1591 QLCNIC_CRB_DEV_NPAR_STATE); 1592 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1593 msleep(1000); 1594 npar_state = QLC_SHARED_REG_RD32(adapter, 1595 QLCNIC_CRB_DEV_NPAR_STATE); 1596 } 1597 if (!npar_opt_timeo) { 1598 dev_err(&adapter->pdev->dev, 1599 "Waiting for NPAR state to operational timeout\n"); 1600 return -EIO; 1601 } 1602 return 0; 1603 } 1604 1605 static int 1606 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1607 { 1608 int err; 1609 1610 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1611 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1612 return 0; 1613 1614 err = qlcnic_set_default_offload_settings(adapter); 1615 if (err) 1616 return err; 1617 1618 err = qlcnic_reset_npar_config(adapter); 1619 if (err) 1620 return err; 1621 1622 qlcnic_dev_set_npar_ready(adapter); 1623 1624 return err; 1625 } 1626 1627 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1628 { 1629 int err; 1630 1631 err = qlcnic_can_start_firmware(adapter); 1632 if (err < 0) 1633 return err; 1634 else if (!err) 1635 goto check_fw_status; 1636 1637 if (qlcnic_load_fw_file) 1638 qlcnic_request_firmware(adapter); 1639 else { 1640 err = qlcnic_check_flash_fw_ver(adapter); 1641 if (err) 1642 goto err_out; 1643 1644 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1645 } 1646 1647 err = qlcnic_need_fw_reset(adapter); 1648 if (err == 0) 1649 goto check_fw_status; 1650 1651 err = qlcnic_pinit_from_rom(adapter); 1652 if (err) 1653 goto err_out; 1654 1655 err = qlcnic_load_firmware(adapter); 1656 if (err) 1657 goto err_out; 1658 1659 qlcnic_release_firmware(adapter); 1660 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1661 1662 check_fw_status: 1663 err = qlcnic_check_fw_status(adapter); 1664 if (err) 1665 goto err_out; 1666 1667 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1668 qlcnic_idc_debug_info(adapter, 1); 1669 err = qlcnic_check_eswitch_mode(adapter); 1670 if (err) { 1671 dev_err(&adapter->pdev->dev, 1672 "Memory allocation failed for eswitch\n"); 1673 goto err_out; 1674 } 1675 err = qlcnic_set_mgmt_operations(adapter); 1676 if (err) 1677 goto err_out; 1678 1679 qlcnic_check_options(adapter); 1680 adapter->need_fw_reset = 0; 1681 1682 qlcnic_release_firmware(adapter); 1683 return 0; 1684 1685 err_out: 1686 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1687 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1688 1689 qlcnic_release_firmware(adapter); 1690 return err; 1691 } 1692 1693 static int 1694 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1695 { 1696 irq_handler_t handler; 1697 struct qlcnic_host_sds_ring *sds_ring; 1698 struct qlcnic_host_tx_ring *tx_ring; 1699 int err, ring, num_sds_rings; 1700 1701 unsigned long flags = 0; 1702 struct net_device *netdev = adapter->netdev; 1703 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1704 1705 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1706 if (qlcnic_82xx_check(adapter)) 1707 handler = qlcnic_tmp_intr; 1708 else 1709 handler = qlcnic_83xx_tmp_intr; 1710 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1711 flags |= IRQF_SHARED; 1712 1713 } else { 1714 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1715 handler = qlcnic_msix_intr; 1716 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1717 handler = qlcnic_msi_intr; 1718 else { 1719 flags |= IRQF_SHARED; 1720 if (qlcnic_82xx_check(adapter)) 1721 handler = qlcnic_intr; 1722 else 1723 handler = qlcnic_83xx_intr; 1724 } 1725 } 1726 adapter->irq = netdev->irq; 1727 1728 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1729 if (qlcnic_82xx_check(adapter) || 1730 (qlcnic_83xx_check(adapter) && 1731 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1732 num_sds_rings = adapter->drv_sds_rings; 1733 for (ring = 0; ring < num_sds_rings; ring++) { 1734 sds_ring = &recv_ctx->sds_rings[ring]; 1735 if (qlcnic_82xx_check(adapter) && 1736 !qlcnic_check_multi_tx(adapter) && 1737 (ring == (num_sds_rings - 1))) { 1738 if (!(adapter->flags & 1739 QLCNIC_MSIX_ENABLED)) 1740 snprintf(sds_ring->name, 1741 sizeof(sds_ring->name), 1742 "qlcnic"); 1743 else 1744 snprintf(sds_ring->name, 1745 sizeof(sds_ring->name), 1746 "%s-tx-0-rx-%d", 1747 netdev->name, ring); 1748 } else { 1749 snprintf(sds_ring->name, 1750 sizeof(sds_ring->name), 1751 "%s-rx-%d", 1752 netdev->name, ring); 1753 } 1754 err = request_irq(sds_ring->irq, handler, flags, 1755 sds_ring->name, sds_ring); 1756 if (err) 1757 return err; 1758 } 1759 } 1760 if ((qlcnic_82xx_check(adapter) && 1761 qlcnic_check_multi_tx(adapter)) || 1762 (qlcnic_83xx_check(adapter) && 1763 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1764 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1765 handler = qlcnic_msix_tx_intr; 1766 for (ring = 0; ring < adapter->drv_tx_rings; 1767 ring++) { 1768 tx_ring = &adapter->tx_ring[ring]; 1769 snprintf(tx_ring->name, sizeof(tx_ring->name), 1770 "%s-tx-%d", netdev->name, ring); 1771 err = request_irq(tx_ring->irq, handler, flags, 1772 tx_ring->name, tx_ring); 1773 if (err) 1774 return err; 1775 } 1776 } 1777 } 1778 return 0; 1779 } 1780 1781 static void 1782 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1783 { 1784 int ring; 1785 struct qlcnic_host_sds_ring *sds_ring; 1786 struct qlcnic_host_tx_ring *tx_ring; 1787 1788 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1789 1790 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1791 if (qlcnic_82xx_check(adapter) || 1792 (qlcnic_83xx_check(adapter) && 1793 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1794 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1795 sds_ring = &recv_ctx->sds_rings[ring]; 1796 free_irq(sds_ring->irq, sds_ring); 1797 } 1798 } 1799 if ((qlcnic_83xx_check(adapter) && 1800 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1801 (qlcnic_82xx_check(adapter) && 1802 qlcnic_check_multi_tx(adapter))) { 1803 for (ring = 0; ring < adapter->drv_tx_rings; 1804 ring++) { 1805 tx_ring = &adapter->tx_ring[ring]; 1806 if (tx_ring->irq) 1807 free_irq(tx_ring->irq, tx_ring); 1808 } 1809 } 1810 } 1811 } 1812 1813 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1814 { 1815 u32 capab = 0; 1816 1817 if (qlcnic_82xx_check(adapter)) { 1818 if (adapter->ahw->extra_capability[0] & 1819 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1820 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1821 } else { 1822 capab = adapter->ahw->capabilities; 1823 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1824 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1825 } 1826 } 1827 1828 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1829 { 1830 struct qlcnic_hardware_context *ahw = adapter->ahw; 1831 int err; 1832 1833 /* Initialize interrupt coalesce parameters */ 1834 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1835 1836 if (qlcnic_83xx_check(adapter)) { 1837 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1838 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1839 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 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_83xx_set_rx_tx_intr_coal(adapter); 1844 } else { 1845 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1846 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1847 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1848 1849 err = qlcnic_82xx_set_rx_coalesce(adapter); 1850 } 1851 1852 return err; 1853 } 1854 1855 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1856 { 1857 int ring; 1858 struct qlcnic_host_rds_ring *rds_ring; 1859 1860 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1861 return -EIO; 1862 1863 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1864 return 0; 1865 1866 if (qlcnic_set_eswitch_port_config(adapter)) 1867 return -EIO; 1868 1869 qlcnic_get_lro_mss_capability(adapter); 1870 1871 if (qlcnic_fw_create_ctx(adapter)) 1872 return -EIO; 1873 1874 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1875 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1876 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1877 } 1878 1879 qlcnic_set_multi(netdev); 1880 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1881 1882 adapter->ahw->linkup = 0; 1883 1884 if (adapter->drv_sds_rings > 1) 1885 qlcnic_config_rss(adapter, 1); 1886 1887 qlcnic_config_def_intr_coalesce(adapter); 1888 1889 if (netdev->features & NETIF_F_LRO) 1890 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1891 1892 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1893 qlcnic_napi_enable(adapter); 1894 1895 qlcnic_linkevent_request(adapter, 1); 1896 1897 adapter->ahw->reset_context = 0; 1898 netif_tx_start_all_queues(netdev); 1899 return 0; 1900 } 1901 1902 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1903 { 1904 int err = 0; 1905 1906 rtnl_lock(); 1907 if (netif_running(netdev)) 1908 err = __qlcnic_up(adapter, netdev); 1909 rtnl_unlock(); 1910 1911 return err; 1912 } 1913 1914 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1915 { 1916 int ring; 1917 1918 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1919 return; 1920 1921 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1922 return; 1923 1924 smp_mb(); 1925 netif_carrier_off(netdev); 1926 adapter->ahw->linkup = 0; 1927 netif_tx_disable(netdev); 1928 1929 qlcnic_free_mac_list(adapter); 1930 1931 if (adapter->fhash.fnum) 1932 qlcnic_delete_lb_filters(adapter); 1933 1934 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1935 if (qlcnic_sriov_vf_check(adapter)) 1936 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1937 1938 qlcnic_napi_disable(adapter); 1939 1940 qlcnic_fw_destroy_ctx(adapter); 1941 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1942 1943 qlcnic_reset_rx_buffers_list(adapter); 1944 1945 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1946 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1947 } 1948 1949 /* Usage: During suspend and firmware recovery module */ 1950 1951 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1952 { 1953 rtnl_lock(); 1954 if (netif_running(netdev)) 1955 __qlcnic_down(adapter, netdev); 1956 rtnl_unlock(); 1957 1958 } 1959 1960 int 1961 qlcnic_attach(struct qlcnic_adapter *adapter) 1962 { 1963 struct net_device *netdev = adapter->netdev; 1964 struct pci_dev *pdev = adapter->pdev; 1965 int err; 1966 1967 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1968 return 0; 1969 1970 err = qlcnic_napi_add(adapter, netdev); 1971 if (err) 1972 return err; 1973 1974 err = qlcnic_alloc_sw_resources(adapter); 1975 if (err) { 1976 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1977 goto err_out_napi_del; 1978 } 1979 1980 err = qlcnic_alloc_hw_resources(adapter); 1981 if (err) { 1982 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1983 goto err_out_free_sw; 1984 } 1985 1986 err = qlcnic_request_irq(adapter); 1987 if (err) { 1988 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1989 goto err_out_free_hw; 1990 } 1991 1992 qlcnic_create_sysfs_entries(adapter); 1993 1994 #ifdef CONFIG_QLCNIC_VXLAN 1995 if (qlcnic_encap_rx_offload(adapter)) 1996 vxlan_get_rx_port(netdev); 1997 #endif 1998 1999 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2000 return 0; 2001 2002 err_out_free_hw: 2003 qlcnic_free_hw_resources(adapter); 2004 err_out_free_sw: 2005 qlcnic_free_sw_resources(adapter); 2006 err_out_napi_del: 2007 qlcnic_napi_del(adapter); 2008 return err; 2009 } 2010 2011 void qlcnic_detach(struct qlcnic_adapter *adapter) 2012 { 2013 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2014 return; 2015 2016 qlcnic_remove_sysfs_entries(adapter); 2017 2018 qlcnic_free_hw_resources(adapter); 2019 qlcnic_release_rx_buffers(adapter); 2020 qlcnic_free_irq(adapter); 2021 qlcnic_napi_del(adapter); 2022 qlcnic_free_sw_resources(adapter); 2023 2024 adapter->is_up = 0; 2025 } 2026 2027 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2028 { 2029 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2030 struct qlcnic_host_sds_ring *sds_ring; 2031 int drv_tx_rings = adapter->drv_tx_rings; 2032 int ring; 2033 2034 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2035 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2036 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2037 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2038 qlcnic_disable_sds_intr(adapter, sds_ring); 2039 } 2040 } 2041 2042 qlcnic_fw_destroy_ctx(adapter); 2043 2044 qlcnic_detach(adapter); 2045 2046 adapter->ahw->diag_test = 0; 2047 adapter->drv_sds_rings = drv_sds_rings; 2048 adapter->drv_tx_rings = drv_tx_rings; 2049 2050 if (qlcnic_attach(adapter)) 2051 goto out; 2052 2053 if (netif_running(netdev)) 2054 __qlcnic_up(adapter, netdev); 2055 out: 2056 netif_device_attach(netdev); 2057 } 2058 2059 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2060 { 2061 struct qlcnic_hardware_context *ahw = adapter->ahw; 2062 int err = 0; 2063 2064 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2065 GFP_KERNEL); 2066 if (!adapter->recv_ctx) { 2067 err = -ENOMEM; 2068 goto err_out; 2069 } 2070 2071 if (qlcnic_83xx_check(adapter)) { 2072 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2073 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2074 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2075 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2076 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2077 } else { 2078 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2079 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2080 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2081 } 2082 2083 /* clear stats */ 2084 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2085 err_out: 2086 return err; 2087 } 2088 2089 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2090 { 2091 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2092 2093 kfree(adapter->recv_ctx); 2094 adapter->recv_ctx = NULL; 2095 2096 if (fw_dump->tmpl_hdr) { 2097 vfree(fw_dump->tmpl_hdr); 2098 fw_dump->tmpl_hdr = NULL; 2099 } 2100 2101 if (fw_dump->dma_buffer) { 2102 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2103 fw_dump->dma_buffer, fw_dump->phys_addr); 2104 fw_dump->dma_buffer = NULL; 2105 } 2106 2107 kfree(adapter->ahw->reset.buff); 2108 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2109 } 2110 2111 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2112 { 2113 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2114 struct qlcnic_host_sds_ring *sds_ring; 2115 struct qlcnic_host_rds_ring *rds_ring; 2116 int ring; 2117 int ret; 2118 2119 netif_device_detach(netdev); 2120 2121 if (netif_running(netdev)) 2122 __qlcnic_down(adapter, netdev); 2123 2124 qlcnic_detach(adapter); 2125 2126 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2127 adapter->ahw->diag_test = test; 2128 adapter->ahw->linkup = 0; 2129 2130 ret = qlcnic_attach(adapter); 2131 if (ret) { 2132 netif_device_attach(netdev); 2133 return ret; 2134 } 2135 2136 ret = qlcnic_fw_create_ctx(adapter); 2137 if (ret) { 2138 qlcnic_detach(adapter); 2139 netif_device_attach(netdev); 2140 return ret; 2141 } 2142 2143 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2144 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2145 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2146 } 2147 2148 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2149 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2150 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2151 qlcnic_enable_sds_intr(adapter, sds_ring); 2152 } 2153 } 2154 2155 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2156 adapter->ahw->loopback_state = 0; 2157 qlcnic_linkevent_request(adapter, 1); 2158 } 2159 2160 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2161 2162 return 0; 2163 } 2164 2165 /* Reset context in hardware only */ 2166 static int 2167 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2168 { 2169 struct net_device *netdev = adapter->netdev; 2170 2171 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2172 return -EBUSY; 2173 2174 netif_device_detach(netdev); 2175 2176 qlcnic_down(adapter, netdev); 2177 2178 qlcnic_up(adapter, netdev); 2179 2180 netif_device_attach(netdev); 2181 2182 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2183 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2184 return 0; 2185 } 2186 2187 int 2188 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2189 { 2190 int err = 0; 2191 struct net_device *netdev = adapter->netdev; 2192 2193 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2194 return -EBUSY; 2195 2196 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2197 2198 netif_device_detach(netdev); 2199 2200 if (netif_running(netdev)) 2201 __qlcnic_down(adapter, netdev); 2202 2203 qlcnic_detach(adapter); 2204 2205 if (netif_running(netdev)) { 2206 err = qlcnic_attach(adapter); 2207 if (!err) { 2208 __qlcnic_up(adapter, netdev); 2209 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2210 } 2211 } 2212 2213 netif_device_attach(netdev); 2214 } 2215 2216 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2217 return err; 2218 } 2219 2220 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2221 { 2222 struct qlcnic_hardware_context *ahw = adapter->ahw; 2223 u16 act_pci_fn = ahw->total_nic_func; 2224 u16 count; 2225 2226 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2227 if (act_pci_fn <= 2) 2228 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2229 act_pci_fn; 2230 else 2231 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2232 act_pci_fn; 2233 ahw->max_uc_count = count; 2234 } 2235 2236 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2237 u8 tx_queues, u8 rx_queues) 2238 { 2239 struct net_device *netdev = adapter->netdev; 2240 int err = 0; 2241 2242 if (tx_queues) { 2243 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2244 if (err) { 2245 netdev_err(netdev, "failed to set %d Tx queues\n", 2246 tx_queues); 2247 return err; 2248 } 2249 } 2250 2251 if (rx_queues) { 2252 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2253 if (err) 2254 netdev_err(netdev, "failed to set %d Rx queues\n", 2255 rx_queues); 2256 } 2257 2258 return err; 2259 } 2260 2261 int 2262 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2263 int pci_using_dac) 2264 { 2265 int err; 2266 struct pci_dev *pdev = adapter->pdev; 2267 2268 adapter->rx_csum = 1; 2269 adapter->ahw->mc_enabled = 0; 2270 qlcnic_set_mac_filter_count(adapter); 2271 2272 netdev->netdev_ops = &qlcnic_netdev_ops; 2273 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2274 2275 qlcnic_change_mtu(netdev, netdev->mtu); 2276 2277 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2278 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2279 2280 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2281 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2282 NETIF_F_HW_VLAN_CTAG_RX); 2283 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2284 NETIF_F_IPV6_CSUM); 2285 2286 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2287 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2288 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2289 } 2290 2291 if (pci_using_dac) { 2292 netdev->features |= NETIF_F_HIGHDMA; 2293 netdev->vlan_features |= NETIF_F_HIGHDMA; 2294 } 2295 2296 if (qlcnic_vlan_tx_check(adapter)) 2297 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2298 2299 if (qlcnic_sriov_vf_check(adapter)) 2300 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2301 2302 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2303 netdev->features |= NETIF_F_LRO; 2304 2305 if (qlcnic_encap_tx_offload(adapter)) { 2306 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2307 2308 /* encapsulation Tx offload supported by Adapter */ 2309 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2310 NETIF_F_GSO_UDP_TUNNEL | 2311 NETIF_F_TSO | 2312 NETIF_F_TSO6; 2313 } 2314 2315 if (qlcnic_encap_rx_offload(adapter)) 2316 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2317 2318 netdev->hw_features = netdev->features; 2319 netdev->priv_flags |= IFF_UNICAST_FLT; 2320 netdev->irq = adapter->msix_entries[0].vector; 2321 2322 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2323 adapter->drv_sds_rings); 2324 if (err) 2325 return err; 2326 2327 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2328 2329 err = register_netdev(netdev); 2330 if (err) { 2331 dev_err(&pdev->dev, "failed to register net device\n"); 2332 return err; 2333 } 2334 2335 return 0; 2336 } 2337 2338 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2339 { 2340 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2341 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2342 *pci_using_dac = 1; 2343 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2344 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2345 *pci_using_dac = 0; 2346 else { 2347 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2348 return -EIO; 2349 } 2350 2351 return 0; 2352 } 2353 2354 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2355 { 2356 int ring; 2357 struct qlcnic_host_tx_ring *tx_ring; 2358 2359 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2360 tx_ring = &adapter->tx_ring[ring]; 2361 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2362 vfree(tx_ring->cmd_buf_arr); 2363 tx_ring->cmd_buf_arr = NULL; 2364 } 2365 } 2366 if (adapter->tx_ring != NULL) 2367 kfree(adapter->tx_ring); 2368 } 2369 2370 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2371 struct net_device *netdev) 2372 { 2373 int ring, vector, index; 2374 struct qlcnic_host_tx_ring *tx_ring; 2375 struct qlcnic_cmd_buffer *cmd_buf_arr; 2376 2377 tx_ring = kcalloc(adapter->drv_tx_rings, 2378 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2379 if (tx_ring == NULL) 2380 return -ENOMEM; 2381 2382 adapter->tx_ring = tx_ring; 2383 2384 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2385 tx_ring = &adapter->tx_ring[ring]; 2386 tx_ring->num_desc = adapter->num_txd; 2387 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2388 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2389 if (cmd_buf_arr == NULL) { 2390 qlcnic_free_tx_rings(adapter); 2391 return -ENOMEM; 2392 } 2393 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2394 tx_ring->cmd_buf_arr = cmd_buf_arr; 2395 spin_lock_init(&tx_ring->tx_clean_lock); 2396 } 2397 2398 if (qlcnic_83xx_check(adapter) || 2399 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2400 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2401 tx_ring = &adapter->tx_ring[ring]; 2402 tx_ring->adapter = adapter; 2403 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2404 index = adapter->drv_sds_rings + ring; 2405 vector = adapter->msix_entries[index].vector; 2406 tx_ring->irq = vector; 2407 } 2408 } 2409 } 2410 2411 return 0; 2412 } 2413 2414 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2415 { 2416 struct qlcnic_hardware_context *ahw = adapter->ahw; 2417 u32 fw_cmd = 0; 2418 2419 if (qlcnic_82xx_check(adapter)) 2420 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2421 else if (qlcnic_83xx_check(adapter)) 2422 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2423 2424 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2425 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2426 } 2427 2428 /* Reset firmware API lock */ 2429 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2430 { 2431 qlcnic_api_lock(adapter); 2432 qlcnic_api_unlock(adapter); 2433 } 2434 2435 2436 static int 2437 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2438 { 2439 struct net_device *netdev = NULL; 2440 struct qlcnic_adapter *adapter = NULL; 2441 struct qlcnic_hardware_context *ahw; 2442 int err, pci_using_dac = -1; 2443 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2444 2445 err = pci_enable_device(pdev); 2446 if (err) 2447 return err; 2448 2449 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2450 err = -ENODEV; 2451 goto err_out_disable_pdev; 2452 } 2453 2454 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2455 if (err) 2456 goto err_out_disable_pdev; 2457 2458 err = pci_request_regions(pdev, qlcnic_driver_name); 2459 if (err) 2460 goto err_out_disable_pdev; 2461 2462 pci_set_master(pdev); 2463 pci_enable_pcie_error_reporting(pdev); 2464 2465 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2466 if (!ahw) { 2467 err = -ENOMEM; 2468 goto err_out_free_res; 2469 } 2470 2471 switch (ent->device) { 2472 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2473 ahw->hw_ops = &qlcnic_hw_ops; 2474 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2475 break; 2476 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2477 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2478 qlcnic_83xx_register_map(ahw); 2479 break; 2480 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2481 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2482 qlcnic_sriov_vf_register_map(ahw); 2483 break; 2484 default: 2485 goto err_out_free_hw_res; 2486 } 2487 2488 err = qlcnic_setup_pci_map(pdev, ahw); 2489 if (err) 2490 goto err_out_free_hw_res; 2491 2492 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2493 QLCNIC_MAX_TX_RINGS); 2494 if (!netdev) { 2495 err = -ENOMEM; 2496 goto err_out_iounmap; 2497 } 2498 2499 SET_NETDEV_DEV(netdev, &pdev->dev); 2500 2501 adapter = netdev_priv(netdev); 2502 adapter->netdev = netdev; 2503 adapter->pdev = pdev; 2504 adapter->ahw = ahw; 2505 2506 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2507 if (adapter->qlcnic_wq == NULL) { 2508 err = -ENOMEM; 2509 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2510 goto err_out_free_netdev; 2511 } 2512 2513 err = qlcnic_alloc_adapter_resources(adapter); 2514 if (err) 2515 goto err_out_free_wq; 2516 2517 adapter->dev_rst_time = jiffies; 2518 ahw->revision_id = pdev->revision; 2519 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2520 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2521 adapter->fdb_mac_learn = true; 2522 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2523 adapter->drv_mac_learn = true; 2524 2525 rwlock_init(&adapter->ahw->crb_lock); 2526 mutex_init(&adapter->ahw->mem_lock); 2527 2528 INIT_LIST_HEAD(&adapter->mac_list); 2529 2530 qlcnic_register_dcb(adapter); 2531 2532 if (qlcnic_82xx_check(adapter)) { 2533 qlcnic_check_vf(adapter, ent); 2534 adapter->portnum = adapter->ahw->pci_func; 2535 qlcnic_reset_api_lock(adapter); 2536 err = qlcnic_start_firmware(adapter); 2537 if (err) { 2538 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2539 "\t\tIf reboot doesn't help, try flashing the card\n"); 2540 goto err_out_maintenance_mode; 2541 } 2542 2543 /* compute and set default and max tx/sds rings */ 2544 if (adapter->ahw->msix_supported) { 2545 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2546 qlcnic_set_tx_ring_count(adapter, 2547 QLCNIC_SINGLE_RING); 2548 else 2549 qlcnic_set_tx_ring_count(adapter, 2550 QLCNIC_DEF_TX_RINGS); 2551 qlcnic_set_sds_ring_count(adapter, 2552 QLCNIC_DEF_SDS_RINGS); 2553 } else { 2554 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2555 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2556 } 2557 2558 err = qlcnic_setup_idc_param(adapter); 2559 if (err) 2560 goto err_out_free_hw; 2561 2562 adapter->flags |= QLCNIC_NEED_FLR; 2563 2564 } else if (qlcnic_83xx_check(adapter)) { 2565 qlcnic_83xx_check_vf(adapter, ent); 2566 adapter->portnum = adapter->ahw->pci_func; 2567 err = qlcnic_83xx_init(adapter, pci_using_dac); 2568 if (err) { 2569 switch (err) { 2570 case -ENOTRECOVERABLE: 2571 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2572 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2573 goto err_out_free_hw; 2574 case -ENOMEM: 2575 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2576 goto err_out_free_hw; 2577 case -EOPNOTSUPP: 2578 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2579 goto err_out_free_hw; 2580 default: 2581 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2582 goto err_out_maintenance_mode; 2583 } 2584 } 2585 2586 if (qlcnic_sriov_vf_check(adapter)) 2587 return 0; 2588 } else { 2589 dev_err(&pdev->dev, 2590 "%s: failed. Please Reboot\n", __func__); 2591 goto err_out_free_hw; 2592 } 2593 2594 if (qlcnic_read_mac_addr(adapter)) 2595 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2596 2597 qlcnic_read_phys_port_id(adapter); 2598 2599 if (adapter->portnum == 0) { 2600 qlcnic_get_board_name(adapter, board_name); 2601 2602 pr_info("%s: %s Board Chip rev 0x%x\n", 2603 module_name(THIS_MODULE), 2604 board_name, adapter->ahw->revision_id); 2605 } 2606 2607 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2608 !!qlcnic_use_msi) 2609 dev_warn(&pdev->dev, 2610 "Device does not support MSI interrupts\n"); 2611 2612 if (qlcnic_82xx_check(adapter)) { 2613 qlcnic_dcb_enable(adapter->dcb); 2614 qlcnic_dcb_get_info(adapter->dcb); 2615 err = qlcnic_setup_intr(adapter); 2616 2617 if (err) { 2618 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2619 goto err_out_disable_msi; 2620 } 2621 } 2622 2623 err = qlcnic_get_act_pci_func(adapter); 2624 if (err) 2625 goto err_out_disable_mbx_intr; 2626 2627 if (adapter->portnum == 0) 2628 qlcnic_set_drv_version(adapter); 2629 2630 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2631 if (err) 2632 goto err_out_disable_mbx_intr; 2633 2634 pci_set_drvdata(pdev, adapter); 2635 2636 if (qlcnic_82xx_check(adapter)) 2637 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2638 FW_POLL_DELAY); 2639 2640 switch (adapter->ahw->port_type) { 2641 case QLCNIC_GBE: 2642 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2643 adapter->netdev->name); 2644 break; 2645 case QLCNIC_XGBE: 2646 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2647 adapter->netdev->name); 2648 break; 2649 } 2650 2651 if (adapter->drv_mac_learn) 2652 qlcnic_alloc_lb_filters_mem(adapter); 2653 2654 qlcnic_add_sysfs(adapter); 2655 qlcnic_register_hwmon_dev(adapter); 2656 return 0; 2657 2658 err_out_disable_mbx_intr: 2659 if (qlcnic_83xx_check(adapter)) 2660 qlcnic_83xx_free_mbx_intr(adapter); 2661 2662 err_out_disable_msi: 2663 qlcnic_teardown_intr(adapter); 2664 qlcnic_cancel_idc_work(adapter); 2665 qlcnic_clr_all_drv_state(adapter, 0); 2666 2667 err_out_free_hw: 2668 qlcnic_free_adapter_resources(adapter); 2669 2670 err_out_free_wq: 2671 destroy_workqueue(adapter->qlcnic_wq); 2672 2673 err_out_free_netdev: 2674 free_netdev(netdev); 2675 2676 err_out_iounmap: 2677 qlcnic_cleanup_pci_map(ahw); 2678 2679 err_out_free_hw_res: 2680 kfree(ahw); 2681 2682 err_out_free_res: 2683 pci_release_regions(pdev); 2684 2685 err_out_disable_pdev: 2686 pci_disable_device(pdev); 2687 return err; 2688 2689 err_out_maintenance_mode: 2690 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2691 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2692 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2693 ahw->port_type = QLCNIC_XGBE; 2694 2695 if (qlcnic_83xx_check(adapter)) 2696 adapter->tgt_status_reg = NULL; 2697 else 2698 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2699 2700 err = register_netdev(netdev); 2701 2702 if (err) { 2703 dev_err(&pdev->dev, "Failed to register net device\n"); 2704 qlcnic_clr_all_drv_state(adapter, 0); 2705 goto err_out_free_hw; 2706 } 2707 2708 pci_set_drvdata(pdev, adapter); 2709 qlcnic_add_sysfs(adapter); 2710 2711 return 0; 2712 } 2713 2714 static void qlcnic_remove(struct pci_dev *pdev) 2715 { 2716 struct qlcnic_adapter *adapter; 2717 struct net_device *netdev; 2718 struct qlcnic_hardware_context *ahw; 2719 2720 adapter = pci_get_drvdata(pdev); 2721 if (adapter == NULL) 2722 return; 2723 2724 netdev = adapter->netdev; 2725 2726 qlcnic_cancel_idc_work(adapter); 2727 qlcnic_sriov_pf_disable(adapter); 2728 ahw = adapter->ahw; 2729 2730 unregister_netdev(netdev); 2731 qlcnic_sriov_cleanup(adapter); 2732 2733 if (qlcnic_83xx_check(adapter)) { 2734 qlcnic_83xx_initialize_nic(adapter, 0); 2735 cancel_delayed_work_sync(&adapter->idc_aen_work); 2736 qlcnic_83xx_free_mbx_intr(adapter); 2737 qlcnic_83xx_detach_mailbox_work(adapter); 2738 qlcnic_83xx_free_mailbox(ahw->mailbox); 2739 kfree(ahw->fw_info); 2740 } 2741 2742 qlcnic_dcb_free(adapter->dcb); 2743 2744 qlcnic_detach(adapter); 2745 2746 if (adapter->npars != NULL) 2747 kfree(adapter->npars); 2748 if (adapter->eswitch != NULL) 2749 kfree(adapter->eswitch); 2750 2751 if (qlcnic_82xx_check(adapter)) 2752 qlcnic_clr_all_drv_state(adapter, 0); 2753 2754 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2755 2756 qlcnic_free_lb_filters_mem(adapter); 2757 2758 qlcnic_teardown_intr(adapter); 2759 2760 qlcnic_remove_sysfs(adapter); 2761 2762 qlcnic_unregister_hwmon_dev(adapter); 2763 2764 qlcnic_cleanup_pci_map(adapter->ahw); 2765 2766 qlcnic_release_firmware(adapter); 2767 2768 pci_disable_pcie_error_reporting(pdev); 2769 pci_release_regions(pdev); 2770 pci_disable_device(pdev); 2771 2772 if (adapter->qlcnic_wq) { 2773 destroy_workqueue(adapter->qlcnic_wq); 2774 adapter->qlcnic_wq = NULL; 2775 } 2776 2777 qlcnic_free_adapter_resources(adapter); 2778 kfree(ahw); 2779 free_netdev(netdev); 2780 } 2781 2782 static void qlcnic_shutdown(struct pci_dev *pdev) 2783 { 2784 if (__qlcnic_shutdown(pdev)) 2785 return; 2786 2787 pci_disable_device(pdev); 2788 } 2789 2790 #ifdef CONFIG_PM 2791 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2792 { 2793 int retval; 2794 2795 retval = __qlcnic_shutdown(pdev); 2796 if (retval) 2797 return retval; 2798 2799 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2800 return 0; 2801 } 2802 2803 static int qlcnic_resume(struct pci_dev *pdev) 2804 { 2805 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2806 int err; 2807 2808 err = pci_enable_device(pdev); 2809 if (err) 2810 return err; 2811 2812 pci_set_power_state(pdev, PCI_D0); 2813 pci_set_master(pdev); 2814 pci_restore_state(pdev); 2815 2816 return __qlcnic_resume(adapter); 2817 } 2818 #endif 2819 2820 static int qlcnic_open(struct net_device *netdev) 2821 { 2822 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2823 int err; 2824 2825 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2826 netdev_err(netdev, "%s: Device is in non-operational state\n", 2827 __func__); 2828 2829 return -EIO; 2830 } 2831 2832 netif_carrier_off(netdev); 2833 2834 err = qlcnic_attach(adapter); 2835 if (err) 2836 return err; 2837 2838 err = __qlcnic_up(adapter, netdev); 2839 if (err) 2840 qlcnic_detach(adapter); 2841 2842 return err; 2843 } 2844 2845 /* 2846 * qlcnic_close - Disables a network interface entry point 2847 */ 2848 static int qlcnic_close(struct net_device *netdev) 2849 { 2850 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2851 2852 __qlcnic_down(adapter, netdev); 2853 2854 return 0; 2855 } 2856 2857 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2858 2859 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2860 { 2861 void *head; 2862 int i; 2863 struct net_device *netdev = adapter->netdev; 2864 u32 filter_size = 0; 2865 u16 act_pci_func = 0; 2866 2867 if (adapter->fhash.fmax && adapter->fhash.fhead) 2868 return; 2869 2870 act_pci_func = adapter->ahw->total_nic_func; 2871 spin_lock_init(&adapter->mac_learn_lock); 2872 spin_lock_init(&adapter->rx_mac_learn_lock); 2873 2874 if (qlcnic_sriov_vf_check(adapter)) { 2875 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2876 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2877 } else if (qlcnic_82xx_check(adapter)) { 2878 filter_size = QLCNIC_LB_MAX_FILTERS; 2879 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2880 } else { 2881 filter_size = QLC_83XX_LB_MAX_FILTERS; 2882 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2883 } 2884 2885 head = kcalloc(adapter->fhash.fbucket_size, 2886 sizeof(struct hlist_head), GFP_ATOMIC); 2887 2888 if (!head) 2889 return; 2890 2891 adapter->fhash.fmax = (filter_size / act_pci_func); 2892 adapter->fhash.fhead = head; 2893 2894 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2895 act_pci_func, adapter->fhash.fmax); 2896 2897 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2898 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2899 2900 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2901 2902 head = kcalloc(adapter->rx_fhash.fbucket_size, 2903 sizeof(struct hlist_head), GFP_ATOMIC); 2904 2905 if (!head) 2906 return; 2907 2908 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2909 adapter->rx_fhash.fhead = head; 2910 2911 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2912 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2913 } 2914 2915 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2916 { 2917 if (adapter->fhash.fmax && adapter->fhash.fhead) 2918 kfree(adapter->fhash.fhead); 2919 2920 adapter->fhash.fhead = NULL; 2921 adapter->fhash.fmax = 0; 2922 2923 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2924 kfree(adapter->rx_fhash.fhead); 2925 2926 adapter->rx_fhash.fmax = 0; 2927 adapter->rx_fhash.fhead = NULL; 2928 } 2929 2930 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2931 { 2932 struct net_device *netdev = adapter->netdev; 2933 u32 temp_state, temp_val, temp = 0; 2934 int rv = 0; 2935 2936 if (qlcnic_83xx_check(adapter)) 2937 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2938 2939 if (qlcnic_82xx_check(adapter)) 2940 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2941 2942 temp_state = qlcnic_get_temp_state(temp); 2943 temp_val = qlcnic_get_temp_val(temp); 2944 2945 if (temp_state == QLCNIC_TEMP_PANIC) { 2946 dev_err(&netdev->dev, 2947 "Device temperature %d degrees C exceeds" 2948 " maximum allowed. Hardware has been shut down.\n", 2949 temp_val); 2950 rv = 1; 2951 } else if (temp_state == QLCNIC_TEMP_WARN) { 2952 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2953 dev_err(&netdev->dev, 2954 "Device temperature %d degrees C " 2955 "exceeds operating range." 2956 " Immediate action needed.\n", 2957 temp_val); 2958 } 2959 } else { 2960 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2961 dev_info(&netdev->dev, 2962 "Device temperature is now %d degrees C" 2963 " in normal range.\n", temp_val); 2964 } 2965 } 2966 adapter->ahw->temp = temp_state; 2967 return rv; 2968 } 2969 2970 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2971 { 2972 int i; 2973 struct cmd_desc_type0 *tx_desc_info; 2974 2975 for (i = 0; i < tx_ring->num_desc; i++) { 2976 tx_desc_info = &tx_ring->desc_head[i]; 2977 pr_info("TX Desc: %d\n", i); 2978 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2979 &tx_ring->desc_head[i], 2980 sizeof(struct cmd_desc_type0), true); 2981 } 2982 } 2983 2984 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2985 { 2986 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2987 struct net_device *netdev = adapter->netdev; 2988 struct qlcnic_host_rds_ring *rds_ring; 2989 struct qlcnic_host_sds_ring *sds_ring; 2990 struct qlcnic_host_tx_ring *tx_ring; 2991 int ring; 2992 2993 if (!netdev || !netif_running(netdev)) 2994 return; 2995 2996 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2997 rds_ring = &recv_ctx->rds_rings[ring]; 2998 if (!rds_ring) 2999 continue; 3000 netdev_info(netdev, 3001 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3002 ring, readl(rds_ring->crb_rcv_producer), 3003 rds_ring->producer, rds_ring->num_desc); 3004 } 3005 3006 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3007 sds_ring = &(recv_ctx->sds_rings[ring]); 3008 if (!sds_ring) 3009 continue; 3010 netdev_info(netdev, 3011 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3012 ring, readl(sds_ring->crb_sts_consumer), 3013 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3014 sds_ring->num_desc); 3015 } 3016 3017 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3018 tx_ring = &adapter->tx_ring[ring]; 3019 if (!tx_ring) 3020 continue; 3021 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3022 ring, tx_ring->ctx_id); 3023 netdev_info(netdev, 3024 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3025 tx_ring->tx_stats.xmit_finished, 3026 tx_ring->tx_stats.xmit_called, 3027 tx_ring->tx_stats.xmit_on, 3028 tx_ring->tx_stats.xmit_off); 3029 3030 if (tx_ring->crb_intr_mask) 3031 netdev_info(netdev, "crb_intr_mask=%d\n", 3032 readl(tx_ring->crb_intr_mask)); 3033 3034 netdev_info(netdev, 3035 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3036 readl(tx_ring->crb_cmd_producer), 3037 tx_ring->producer, tx_ring->sw_consumer, 3038 le32_to_cpu(*(tx_ring->hw_consumer))); 3039 3040 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3041 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3042 3043 if (netif_msg_tx_err(adapter->ahw)) 3044 dump_tx_ring_desc(tx_ring); 3045 } 3046 3047 } 3048 3049 static void qlcnic_tx_timeout(struct net_device *netdev) 3050 { 3051 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3052 3053 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3054 return; 3055 3056 qlcnic_dump_rings(adapter); 3057 3058 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3059 netif_msg_tx_err(adapter->ahw)) { 3060 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3061 if (qlcnic_82xx_check(adapter)) 3062 adapter->need_fw_reset = 1; 3063 else if (qlcnic_83xx_check(adapter)) 3064 qlcnic_83xx_idc_request_reset(adapter, 3065 QLCNIC_FORCE_FW_DUMP_KEY); 3066 } else { 3067 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3068 adapter->ahw->reset_context = 1; 3069 } 3070 } 3071 3072 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3073 { 3074 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3075 struct net_device_stats *stats = &netdev->stats; 3076 3077 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3078 qlcnic_update_stats(adapter); 3079 3080 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3081 stats->tx_packets = adapter->stats.xmitfinished; 3082 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3083 stats->tx_bytes = adapter->stats.txbytes; 3084 stats->rx_dropped = adapter->stats.rxdropped; 3085 stats->tx_dropped = adapter->stats.txdropped; 3086 3087 return stats; 3088 } 3089 3090 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3091 { 3092 u32 status; 3093 3094 status = readl(adapter->isr_int_vec); 3095 3096 if (!(status & adapter->ahw->int_vec_bit)) 3097 return IRQ_NONE; 3098 3099 /* check interrupt state machine, to be sure */ 3100 status = readl(adapter->crb_int_state_reg); 3101 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3102 return IRQ_NONE; 3103 3104 writel(0xffffffff, adapter->tgt_status_reg); 3105 /* read twice to ensure write is flushed */ 3106 readl(adapter->isr_int_vec); 3107 readl(adapter->isr_int_vec); 3108 3109 return IRQ_HANDLED; 3110 } 3111 3112 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3113 { 3114 struct qlcnic_host_sds_ring *sds_ring = data; 3115 struct qlcnic_adapter *adapter = sds_ring->adapter; 3116 3117 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3118 goto done; 3119 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3120 writel(0xffffffff, adapter->tgt_status_reg); 3121 goto done; 3122 } 3123 3124 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3125 return IRQ_NONE; 3126 3127 done: 3128 adapter->ahw->diag_cnt++; 3129 qlcnic_enable_sds_intr(adapter, sds_ring); 3130 return IRQ_HANDLED; 3131 } 3132 3133 static irqreturn_t qlcnic_intr(int irq, void *data) 3134 { 3135 struct qlcnic_host_sds_ring *sds_ring = data; 3136 struct qlcnic_adapter *adapter = sds_ring->adapter; 3137 3138 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3139 return IRQ_NONE; 3140 3141 napi_schedule(&sds_ring->napi); 3142 3143 return IRQ_HANDLED; 3144 } 3145 3146 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3147 { 3148 struct qlcnic_host_sds_ring *sds_ring = data; 3149 struct qlcnic_adapter *adapter = sds_ring->adapter; 3150 3151 /* clear interrupt */ 3152 writel(0xffffffff, adapter->tgt_status_reg); 3153 3154 napi_schedule(&sds_ring->napi); 3155 return IRQ_HANDLED; 3156 } 3157 3158 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3159 { 3160 struct qlcnic_host_sds_ring *sds_ring = data; 3161 3162 napi_schedule(&sds_ring->napi); 3163 return IRQ_HANDLED; 3164 } 3165 3166 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3167 { 3168 struct qlcnic_host_tx_ring *tx_ring = data; 3169 3170 napi_schedule(&tx_ring->napi); 3171 return IRQ_HANDLED; 3172 } 3173 3174 #ifdef CONFIG_NET_POLL_CONTROLLER 3175 static void qlcnic_poll_controller(struct net_device *netdev) 3176 { 3177 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3178 struct qlcnic_host_sds_ring *sds_ring; 3179 struct qlcnic_recv_context *recv_ctx; 3180 struct qlcnic_host_tx_ring *tx_ring; 3181 int ring; 3182 3183 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3184 return; 3185 3186 recv_ctx = adapter->recv_ctx; 3187 3188 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3189 sds_ring = &recv_ctx->sds_rings[ring]; 3190 qlcnic_disable_sds_intr(adapter, sds_ring); 3191 napi_schedule(&sds_ring->napi); 3192 } 3193 3194 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3195 /* Only Multi-Tx queue capable devices need to 3196 * schedule NAPI for TX rings 3197 */ 3198 if ((qlcnic_83xx_check(adapter) && 3199 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3200 (qlcnic_82xx_check(adapter) && 3201 !qlcnic_check_multi_tx(adapter))) 3202 return; 3203 3204 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3205 tx_ring = &adapter->tx_ring[ring]; 3206 qlcnic_disable_tx_intr(adapter, tx_ring); 3207 napi_schedule(&tx_ring->napi); 3208 } 3209 } 3210 } 3211 #endif 3212 3213 static void 3214 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3215 { 3216 u32 val; 3217 3218 val = adapter->portnum & 0xf; 3219 val |= encoding << 7; 3220 val |= (jiffies - adapter->dev_rst_time) << 8; 3221 3222 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3223 adapter->dev_rst_time = jiffies; 3224 } 3225 3226 static int 3227 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3228 { 3229 u32 val; 3230 3231 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3232 state != QLCNIC_DEV_NEED_QUISCENT); 3233 3234 if (qlcnic_api_lock(adapter)) 3235 return -EIO; 3236 3237 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3238 3239 if (state == QLCNIC_DEV_NEED_RESET) 3240 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3241 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3242 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3243 3244 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3245 3246 qlcnic_api_unlock(adapter); 3247 3248 return 0; 3249 } 3250 3251 static int 3252 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3253 { 3254 u32 val; 3255 3256 if (qlcnic_api_lock(adapter)) 3257 return -EBUSY; 3258 3259 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3260 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3261 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3262 3263 qlcnic_api_unlock(adapter); 3264 3265 return 0; 3266 } 3267 3268 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3269 { 3270 u32 val; 3271 3272 if (qlcnic_api_lock(adapter)) 3273 goto err; 3274 3275 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3276 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3277 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3278 3279 if (failed) { 3280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3281 QLCNIC_DEV_FAILED); 3282 dev_info(&adapter->pdev->dev, 3283 "Device state set to Failed. Please Reboot\n"); 3284 } else if (!(val & 0x11111111)) 3285 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3286 QLCNIC_DEV_COLD); 3287 3288 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3289 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3291 3292 qlcnic_api_unlock(adapter); 3293 err: 3294 adapter->fw_fail_cnt = 0; 3295 adapter->flags &= ~QLCNIC_FW_HANG; 3296 clear_bit(__QLCNIC_START_FW, &adapter->state); 3297 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3298 } 3299 3300 /* Grab api lock, before checking state */ 3301 static int 3302 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3303 { 3304 int act, state, active_mask; 3305 struct qlcnic_hardware_context *ahw = adapter->ahw; 3306 3307 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3308 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3309 3310 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3311 active_mask = (~(1 << (ahw->pci_func * 4))); 3312 act = act & active_mask; 3313 } 3314 3315 if (((state & 0x11111111) == (act & 0x11111111)) || 3316 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3317 return 0; 3318 else 3319 return 1; 3320 } 3321 3322 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3323 { 3324 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3325 3326 if (val != QLCNIC_DRV_IDC_VER) { 3327 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3328 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3329 } 3330 3331 return 0; 3332 } 3333 3334 static int 3335 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3336 { 3337 u32 val, prev_state; 3338 u8 dev_init_timeo = adapter->dev_init_timeo; 3339 u8 portnum = adapter->portnum; 3340 u8 ret; 3341 3342 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3343 return 1; 3344 3345 if (qlcnic_api_lock(adapter)) 3346 return -1; 3347 3348 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3349 if (!(val & (1 << (portnum * 4)))) { 3350 QLC_DEV_SET_REF_CNT(val, portnum); 3351 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3352 } 3353 3354 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3355 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3356 3357 switch (prev_state) { 3358 case QLCNIC_DEV_COLD: 3359 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3360 QLCNIC_DEV_INITIALIZING); 3361 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3362 QLCNIC_DRV_IDC_VER); 3363 qlcnic_idc_debug_info(adapter, 0); 3364 qlcnic_api_unlock(adapter); 3365 return 1; 3366 3367 case QLCNIC_DEV_READY: 3368 ret = qlcnic_check_idc_ver(adapter); 3369 qlcnic_api_unlock(adapter); 3370 return ret; 3371 3372 case QLCNIC_DEV_NEED_RESET: 3373 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3374 QLC_DEV_SET_RST_RDY(val, portnum); 3375 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3376 break; 3377 3378 case QLCNIC_DEV_NEED_QUISCENT: 3379 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3380 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3381 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3382 break; 3383 3384 case QLCNIC_DEV_FAILED: 3385 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3386 qlcnic_api_unlock(adapter); 3387 return -1; 3388 3389 case QLCNIC_DEV_INITIALIZING: 3390 case QLCNIC_DEV_QUISCENT: 3391 break; 3392 } 3393 3394 qlcnic_api_unlock(adapter); 3395 3396 do { 3397 msleep(1000); 3398 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3399 3400 if (prev_state == QLCNIC_DEV_QUISCENT) 3401 continue; 3402 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3403 3404 if (!dev_init_timeo) { 3405 dev_err(&adapter->pdev->dev, 3406 "Waiting for device to initialize timeout\n"); 3407 return -1; 3408 } 3409 3410 if (qlcnic_api_lock(adapter)) 3411 return -1; 3412 3413 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3414 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3415 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3416 3417 ret = qlcnic_check_idc_ver(adapter); 3418 qlcnic_api_unlock(adapter); 3419 3420 return ret; 3421 } 3422 3423 static void 3424 qlcnic_fwinit_work(struct work_struct *work) 3425 { 3426 struct qlcnic_adapter *adapter = container_of(work, 3427 struct qlcnic_adapter, fw_work.work); 3428 u32 dev_state = 0xf; 3429 u32 val; 3430 3431 if (qlcnic_api_lock(adapter)) 3432 goto err_ret; 3433 3434 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3435 if (dev_state == QLCNIC_DEV_QUISCENT || 3436 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3437 qlcnic_api_unlock(adapter); 3438 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3439 FW_POLL_DELAY * 2); 3440 return; 3441 } 3442 3443 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3444 qlcnic_api_unlock(adapter); 3445 goto wait_npar; 3446 } 3447 3448 if (dev_state == QLCNIC_DEV_INITIALIZING || 3449 dev_state == QLCNIC_DEV_READY) { 3450 dev_info(&adapter->pdev->dev, "Detected state change from " 3451 "DEV_NEED_RESET, skipping ack check\n"); 3452 goto skip_ack_check; 3453 } 3454 3455 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3456 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3457 adapter->reset_ack_timeo); 3458 goto skip_ack_check; 3459 } 3460 3461 if (!qlcnic_check_drv_state(adapter)) { 3462 skip_ack_check: 3463 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3464 3465 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3466 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3467 QLCNIC_DEV_INITIALIZING); 3468 set_bit(__QLCNIC_START_FW, &adapter->state); 3469 QLCDB(adapter, DRV, "Restarting fw\n"); 3470 qlcnic_idc_debug_info(adapter, 0); 3471 val = QLC_SHARED_REG_RD32(adapter, 3472 QLCNIC_CRB_DRV_STATE); 3473 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3474 QLC_SHARED_REG_WR32(adapter, 3475 QLCNIC_CRB_DRV_STATE, val); 3476 } 3477 3478 qlcnic_api_unlock(adapter); 3479 3480 rtnl_lock(); 3481 if (qlcnic_check_fw_dump_state(adapter) && 3482 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3483 QLCDB(adapter, DRV, "Take FW dump\n"); 3484 qlcnic_dump_fw(adapter); 3485 adapter->flags |= QLCNIC_FW_HANG; 3486 } 3487 rtnl_unlock(); 3488 3489 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3490 if (!adapter->nic_ops->start_firmware(adapter)) { 3491 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3492 adapter->fw_wait_cnt = 0; 3493 return; 3494 } 3495 goto err_ret; 3496 } 3497 3498 qlcnic_api_unlock(adapter); 3499 3500 wait_npar: 3501 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3502 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3503 3504 switch (dev_state) { 3505 case QLCNIC_DEV_READY: 3506 if (!qlcnic_start_firmware(adapter)) { 3507 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3508 adapter->fw_wait_cnt = 0; 3509 return; 3510 } 3511 case QLCNIC_DEV_FAILED: 3512 break; 3513 default: 3514 qlcnic_schedule_work(adapter, 3515 qlcnic_fwinit_work, FW_POLL_DELAY); 3516 return; 3517 } 3518 3519 err_ret: 3520 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3521 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3522 netif_device_attach(adapter->netdev); 3523 qlcnic_clr_all_drv_state(adapter, 0); 3524 } 3525 3526 static void 3527 qlcnic_detach_work(struct work_struct *work) 3528 { 3529 struct qlcnic_adapter *adapter = container_of(work, 3530 struct qlcnic_adapter, fw_work.work); 3531 struct net_device *netdev = adapter->netdev; 3532 u32 status; 3533 3534 netif_device_detach(netdev); 3535 3536 /* Dont grab rtnl lock during Quiscent mode */ 3537 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3538 if (netif_running(netdev)) 3539 __qlcnic_down(adapter, netdev); 3540 } else 3541 qlcnic_down(adapter, netdev); 3542 3543 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3544 3545 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3546 dev_err(&adapter->pdev->dev, 3547 "Detaching the device: peg halt status1=0x%x\n", 3548 status); 3549 3550 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3551 dev_err(&adapter->pdev->dev, 3552 "On board active cooling fan failed. " 3553 "Device has been halted.\n"); 3554 dev_err(&adapter->pdev->dev, 3555 "Replace the adapter.\n"); 3556 } 3557 3558 goto err_ret; 3559 } 3560 3561 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3562 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3563 adapter->ahw->temp); 3564 goto err_ret; 3565 } 3566 3567 /* Dont ack if this instance is the reset owner */ 3568 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3569 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3570 dev_err(&adapter->pdev->dev, 3571 "Failed to set driver state," 3572 "detaching the device.\n"); 3573 goto err_ret; 3574 } 3575 } 3576 3577 adapter->fw_wait_cnt = 0; 3578 3579 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3580 3581 return; 3582 3583 err_ret: 3584 netif_device_attach(netdev); 3585 qlcnic_clr_all_drv_state(adapter, 1); 3586 } 3587 3588 /*Transit NPAR state to NON Operational */ 3589 static void 3590 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3591 { 3592 u32 state; 3593 3594 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3595 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3596 return; 3597 3598 if (qlcnic_api_lock(adapter)) 3599 return; 3600 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3601 QLCNIC_DEV_NPAR_NON_OPER); 3602 qlcnic_api_unlock(adapter); 3603 } 3604 3605 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3606 u32 key) 3607 { 3608 u32 state, xg_val = 0, gb_val = 0; 3609 3610 qlcnic_xg_set_xg0_mask(xg_val); 3611 qlcnic_xg_set_xg1_mask(xg_val); 3612 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3613 qlcnic_gb_set_gb0_mask(gb_val); 3614 qlcnic_gb_set_gb1_mask(gb_val); 3615 qlcnic_gb_set_gb2_mask(gb_val); 3616 qlcnic_gb_set_gb3_mask(gb_val); 3617 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3618 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3619 " on all ports\n"); 3620 adapter->need_fw_reset = 1; 3621 3622 if (qlcnic_api_lock(adapter)) 3623 return; 3624 3625 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3626 3627 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3628 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3629 __func__); 3630 qlcnic_api_unlock(adapter); 3631 3632 return; 3633 } 3634 3635 if (state == QLCNIC_DEV_READY) { 3636 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3637 QLCNIC_DEV_NEED_RESET); 3638 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3639 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3640 qlcnic_idc_debug_info(adapter, 0); 3641 } 3642 3643 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3644 QLCNIC_DEV_NPAR_NON_OPER); 3645 qlcnic_api_unlock(adapter); 3646 } 3647 3648 /* Transit to NPAR READY state from NPAR NOT READY state */ 3649 static void 3650 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3651 { 3652 if (qlcnic_api_lock(adapter)) 3653 return; 3654 3655 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3656 QLCNIC_DEV_NPAR_OPER); 3657 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3658 3659 qlcnic_api_unlock(adapter); 3660 } 3661 3662 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3663 work_func_t func, int delay) 3664 { 3665 if (test_bit(__QLCNIC_AER, &adapter->state)) 3666 return; 3667 3668 INIT_DELAYED_WORK(&adapter->fw_work, func); 3669 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3670 round_jiffies_relative(delay)); 3671 } 3672 3673 static void 3674 qlcnic_attach_work(struct work_struct *work) 3675 { 3676 struct qlcnic_adapter *adapter = container_of(work, 3677 struct qlcnic_adapter, fw_work.work); 3678 struct net_device *netdev = adapter->netdev; 3679 u32 npar_state; 3680 3681 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3682 npar_state = QLC_SHARED_REG_RD32(adapter, 3683 QLCNIC_CRB_DEV_NPAR_STATE); 3684 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3685 qlcnic_clr_all_drv_state(adapter, 0); 3686 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3687 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3688 FW_POLL_DELAY); 3689 else 3690 goto attach; 3691 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3692 return; 3693 } 3694 attach: 3695 qlcnic_dcb_get_info(adapter->dcb); 3696 3697 if (netif_running(netdev)) { 3698 if (qlcnic_up(adapter, netdev)) 3699 goto done; 3700 3701 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3702 } 3703 3704 done: 3705 netif_device_attach(netdev); 3706 adapter->fw_fail_cnt = 0; 3707 adapter->flags &= ~QLCNIC_FW_HANG; 3708 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3709 if (adapter->portnum == 0) 3710 qlcnic_set_drv_version(adapter); 3711 3712 if (!qlcnic_clr_drv_state(adapter)) 3713 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3714 FW_POLL_DELAY); 3715 } 3716 3717 static int 3718 qlcnic_check_health(struct qlcnic_adapter *adapter) 3719 { 3720 struct qlcnic_hardware_context *ahw = adapter->ahw; 3721 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3722 u32 state = 0, heartbeat; 3723 u32 peg_status; 3724 int err = 0; 3725 3726 if (qlcnic_check_temp(adapter)) 3727 goto detach; 3728 3729 if (adapter->need_fw_reset) 3730 qlcnic_dev_request_reset(adapter, 0); 3731 3732 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3733 if (state == QLCNIC_DEV_NEED_RESET) { 3734 qlcnic_set_npar_non_operational(adapter); 3735 adapter->need_fw_reset = 1; 3736 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3737 goto detach; 3738 3739 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3740 if (heartbeat != adapter->heartbeat) { 3741 adapter->heartbeat = heartbeat; 3742 adapter->fw_fail_cnt = 0; 3743 if (adapter->need_fw_reset) 3744 goto detach; 3745 3746 if (ahw->reset_context && qlcnic_auto_fw_reset) 3747 qlcnic_reset_hw_context(adapter); 3748 3749 return 0; 3750 } 3751 3752 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3753 return 0; 3754 3755 adapter->flags |= QLCNIC_FW_HANG; 3756 3757 qlcnic_dev_request_reset(adapter, 0); 3758 3759 if (qlcnic_auto_fw_reset) 3760 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3761 3762 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3763 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3764 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3765 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3766 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3767 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3768 "PEG_NET_4_PC: 0x%x\n", 3769 peg_status, 3770 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3771 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3772 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3773 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3774 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3775 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3776 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3777 dev_err(&adapter->pdev->dev, 3778 "Firmware aborted with error code 0x00006700. " 3779 "Device is being reset.\n"); 3780 detach: 3781 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3782 QLCNIC_DEV_NEED_RESET; 3783 3784 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3785 &adapter->state)) { 3786 3787 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3788 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3789 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3790 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3791 qlcnic_dump_fw(adapter); 3792 } 3793 3794 return 1; 3795 } 3796 3797 void qlcnic_fw_poll_work(struct work_struct *work) 3798 { 3799 struct qlcnic_adapter *adapter = container_of(work, 3800 struct qlcnic_adapter, fw_work.work); 3801 3802 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3803 goto reschedule; 3804 3805 3806 if (qlcnic_check_health(adapter)) 3807 return; 3808 3809 if (adapter->fhash.fnum) 3810 qlcnic_prune_lb_filters(adapter); 3811 3812 reschedule: 3813 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3814 } 3815 3816 static int qlcnic_is_first_func(struct pci_dev *pdev) 3817 { 3818 struct pci_dev *oth_pdev; 3819 int val = pdev->devfn; 3820 3821 while (val-- > 0) { 3822 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3823 (pdev->bus), pdev->bus->number, 3824 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3825 if (!oth_pdev) 3826 continue; 3827 3828 if (oth_pdev->current_state != PCI_D3cold) { 3829 pci_dev_put(oth_pdev); 3830 return 0; 3831 } 3832 pci_dev_put(oth_pdev); 3833 } 3834 return 1; 3835 } 3836 3837 static int qlcnic_attach_func(struct pci_dev *pdev) 3838 { 3839 int err, first_func; 3840 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3841 struct net_device *netdev = adapter->netdev; 3842 3843 pdev->error_state = pci_channel_io_normal; 3844 3845 err = pci_enable_device(pdev); 3846 if (err) 3847 return err; 3848 3849 pci_set_master(pdev); 3850 pci_restore_state(pdev); 3851 3852 first_func = qlcnic_is_first_func(pdev); 3853 3854 if (qlcnic_api_lock(adapter)) 3855 return -EINVAL; 3856 3857 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3858 adapter->need_fw_reset = 1; 3859 set_bit(__QLCNIC_START_FW, &adapter->state); 3860 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3861 QLCNIC_DEV_INITIALIZING); 3862 QLCDB(adapter, DRV, "Restarting fw\n"); 3863 } 3864 qlcnic_api_unlock(adapter); 3865 3866 err = qlcnic_start_firmware(adapter); 3867 if (err) 3868 return err; 3869 3870 qlcnic_clr_drv_state(adapter); 3871 kfree(adapter->msix_entries); 3872 adapter->msix_entries = NULL; 3873 err = qlcnic_setup_intr(adapter); 3874 3875 if (err) { 3876 kfree(adapter->msix_entries); 3877 netdev_err(netdev, "failed to setup interrupt\n"); 3878 return err; 3879 } 3880 3881 if (netif_running(netdev)) { 3882 err = qlcnic_attach(adapter); 3883 if (err) { 3884 qlcnic_clr_all_drv_state(adapter, 1); 3885 clear_bit(__QLCNIC_AER, &adapter->state); 3886 netif_device_attach(netdev); 3887 return err; 3888 } 3889 3890 err = qlcnic_up(adapter, netdev); 3891 if (err) 3892 goto done; 3893 3894 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3895 } 3896 done: 3897 netif_device_attach(netdev); 3898 return err; 3899 } 3900 3901 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3902 pci_channel_state_t state) 3903 { 3904 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3905 struct net_device *netdev = adapter->netdev; 3906 3907 if (state == pci_channel_io_perm_failure) 3908 return PCI_ERS_RESULT_DISCONNECT; 3909 3910 if (state == pci_channel_io_normal) 3911 return PCI_ERS_RESULT_RECOVERED; 3912 3913 set_bit(__QLCNIC_AER, &adapter->state); 3914 netif_device_detach(netdev); 3915 3916 cancel_delayed_work_sync(&adapter->fw_work); 3917 3918 if (netif_running(netdev)) 3919 qlcnic_down(adapter, netdev); 3920 3921 qlcnic_detach(adapter); 3922 qlcnic_teardown_intr(adapter); 3923 3924 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3925 3926 pci_save_state(pdev); 3927 pci_disable_device(pdev); 3928 3929 return PCI_ERS_RESULT_NEED_RESET; 3930 } 3931 3932 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3933 { 3934 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3935 PCI_ERS_RESULT_RECOVERED; 3936 } 3937 3938 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3939 { 3940 u32 state; 3941 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3942 3943 pci_cleanup_aer_uncorrect_error_status(pdev); 3944 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3945 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3946 &adapter->state)) 3947 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3948 FW_POLL_DELAY); 3949 } 3950 3951 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3952 pci_channel_state_t state) 3953 { 3954 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3955 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3956 3957 if (hw_ops->io_error_detected) { 3958 return hw_ops->io_error_detected(pdev, state); 3959 } else { 3960 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3961 return PCI_ERS_RESULT_DISCONNECT; 3962 } 3963 } 3964 3965 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3966 { 3967 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3968 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3969 3970 if (hw_ops->io_slot_reset) { 3971 return hw_ops->io_slot_reset(pdev); 3972 } else { 3973 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3974 return PCI_ERS_RESULT_DISCONNECT; 3975 } 3976 } 3977 3978 static void qlcnic_io_resume(struct pci_dev *pdev) 3979 { 3980 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3981 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3982 3983 if (hw_ops->io_resume) 3984 hw_ops->io_resume(pdev); 3985 else 3986 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3987 } 3988 3989 3990 static int 3991 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3992 { 3993 int err; 3994 3995 err = qlcnic_can_start_firmware(adapter); 3996 if (err) 3997 return err; 3998 3999 err = qlcnic_check_npar_opertional(adapter); 4000 if (err) 4001 return err; 4002 4003 err = qlcnic_initialize_nic(adapter); 4004 if (err) 4005 return err; 4006 4007 qlcnic_check_options(adapter); 4008 4009 err = qlcnic_set_eswitch_port_config(adapter); 4010 if (err) 4011 return err; 4012 4013 adapter->need_fw_reset = 0; 4014 4015 return err; 4016 } 4017 4018 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4019 int queue_type) 4020 { 4021 struct net_device *netdev = adapter->netdev; 4022 u8 max_hw_rings = 0; 4023 char buf[8]; 4024 int cur_rings; 4025 4026 if (queue_type == QLCNIC_RX_QUEUE) { 4027 max_hw_rings = adapter->max_sds_rings; 4028 cur_rings = adapter->drv_sds_rings; 4029 strcpy(buf, "SDS"); 4030 } else if (queue_type == QLCNIC_TX_QUEUE) { 4031 max_hw_rings = adapter->max_tx_rings; 4032 cur_rings = adapter->drv_tx_rings; 4033 strcpy(buf, "Tx"); 4034 } 4035 4036 if (!is_power_of_2(ring_cnt)) { 4037 netdev_err(netdev, "%s rings value should be a power of 2\n", 4038 buf); 4039 return -EINVAL; 4040 } 4041 4042 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4043 !qlcnic_check_multi_tx(adapter)) { 4044 netdev_err(netdev, "No Multi Tx queue support\n"); 4045 return -EINVAL; 4046 } 4047 4048 if (ring_cnt > num_online_cpus()) { 4049 netdev_err(netdev, 4050 "%s value[%u] should not be higher than, number of online CPUs\n", 4051 buf, num_online_cpus()); 4052 return -EINVAL; 4053 } 4054 4055 return 0; 4056 } 4057 4058 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4059 { 4060 struct net_device *netdev = adapter->netdev; 4061 u8 tx_rings, rx_rings; 4062 int err; 4063 4064 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4065 return -EBUSY; 4066 4067 tx_rings = adapter->drv_tss_rings; 4068 rx_rings = adapter->drv_rss_rings; 4069 4070 netif_device_detach(netdev); 4071 4072 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4073 if (err) 4074 goto done; 4075 4076 if (netif_running(netdev)) 4077 __qlcnic_down(adapter, netdev); 4078 4079 qlcnic_detach(adapter); 4080 4081 if (qlcnic_83xx_check(adapter)) { 4082 qlcnic_83xx_free_mbx_intr(adapter); 4083 qlcnic_83xx_enable_mbx_poll(adapter); 4084 } 4085 4086 qlcnic_teardown_intr(adapter); 4087 4088 err = qlcnic_setup_intr(adapter); 4089 if (err) { 4090 kfree(adapter->msix_entries); 4091 netdev_err(netdev, "failed to setup interrupt\n"); 4092 return err; 4093 } 4094 4095 /* Check if we need to update real_num_{tx|rx}_queues because 4096 * qlcnic_setup_intr() may change Tx/Rx rings size 4097 */ 4098 if ((tx_rings != adapter->drv_tx_rings) || 4099 (rx_rings != adapter->drv_sds_rings)) { 4100 err = qlcnic_set_real_num_queues(adapter, 4101 adapter->drv_tx_rings, 4102 adapter->drv_sds_rings); 4103 if (err) 4104 goto done; 4105 } 4106 4107 if (qlcnic_83xx_check(adapter)) { 4108 qlcnic_83xx_initialize_nic(adapter, 1); 4109 err = qlcnic_83xx_setup_mbx_intr(adapter); 4110 qlcnic_83xx_disable_mbx_poll(adapter); 4111 if (err) { 4112 dev_err(&adapter->pdev->dev, 4113 "failed to setup mbx interrupt\n"); 4114 goto done; 4115 } 4116 } 4117 4118 if (netif_running(netdev)) { 4119 err = qlcnic_attach(adapter); 4120 if (err) 4121 goto done; 4122 err = __qlcnic_up(adapter, netdev); 4123 if (err) 4124 goto done; 4125 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4126 } 4127 done: 4128 netif_device_attach(netdev); 4129 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4130 return err; 4131 } 4132 4133 #ifdef CONFIG_INET 4134 4135 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4136 4137 static void 4138 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4139 struct net_device *dev, unsigned long event) 4140 { 4141 struct in_device *indev; 4142 4143 indev = in_dev_get(dev); 4144 if (!indev) 4145 return; 4146 4147 for_ifa(indev) { 4148 switch (event) { 4149 case NETDEV_UP: 4150 qlcnic_config_ipaddr(adapter, 4151 ifa->ifa_address, QLCNIC_IP_UP); 4152 break; 4153 case NETDEV_DOWN: 4154 qlcnic_config_ipaddr(adapter, 4155 ifa->ifa_address, QLCNIC_IP_DOWN); 4156 break; 4157 default: 4158 break; 4159 } 4160 } endfor_ifa(indev); 4161 4162 in_dev_put(indev); 4163 } 4164 4165 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4166 { 4167 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4168 struct net_device *dev; 4169 u16 vid; 4170 4171 qlcnic_config_indev_addr(adapter, netdev, event); 4172 4173 rcu_read_lock(); 4174 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4175 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4176 if (!dev) 4177 continue; 4178 qlcnic_config_indev_addr(adapter, dev, event); 4179 } 4180 rcu_read_unlock(); 4181 } 4182 4183 static int qlcnic_netdev_event(struct notifier_block *this, 4184 unsigned long event, void *ptr) 4185 { 4186 struct qlcnic_adapter *adapter; 4187 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4188 4189 recheck: 4190 if (dev == NULL) 4191 goto done; 4192 4193 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4194 dev = vlan_dev_real_dev(dev); 4195 goto recheck; 4196 } 4197 4198 if (!is_qlcnic_netdev(dev)) 4199 goto done; 4200 4201 adapter = netdev_priv(dev); 4202 4203 if (!adapter) 4204 goto done; 4205 4206 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4207 goto done; 4208 4209 qlcnic_config_indev_addr(adapter, dev, event); 4210 done: 4211 return NOTIFY_DONE; 4212 } 4213 4214 static int 4215 qlcnic_inetaddr_event(struct notifier_block *this, 4216 unsigned long event, void *ptr) 4217 { 4218 struct qlcnic_adapter *adapter; 4219 struct net_device *dev; 4220 4221 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4222 4223 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4224 4225 recheck: 4226 if (dev == NULL) 4227 goto done; 4228 4229 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4230 dev = vlan_dev_real_dev(dev); 4231 goto recheck; 4232 } 4233 4234 if (!is_qlcnic_netdev(dev)) 4235 goto done; 4236 4237 adapter = netdev_priv(dev); 4238 4239 if (!adapter) 4240 goto done; 4241 4242 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4243 goto done; 4244 4245 switch (event) { 4246 case NETDEV_UP: 4247 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4248 4249 break; 4250 case NETDEV_DOWN: 4251 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4252 4253 break; 4254 default: 4255 break; 4256 } 4257 4258 done: 4259 return NOTIFY_DONE; 4260 } 4261 4262 static struct notifier_block qlcnic_netdev_cb = { 4263 .notifier_call = qlcnic_netdev_event, 4264 }; 4265 4266 static struct notifier_block qlcnic_inetaddr_cb = { 4267 .notifier_call = qlcnic_inetaddr_event, 4268 }; 4269 #else 4270 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4271 { } 4272 #endif 4273 static const struct pci_error_handlers qlcnic_err_handler = { 4274 .error_detected = qlcnic_io_error_detected, 4275 .slot_reset = qlcnic_io_slot_reset, 4276 .resume = qlcnic_io_resume, 4277 }; 4278 4279 static struct pci_driver qlcnic_driver = { 4280 .name = qlcnic_driver_name, 4281 .id_table = qlcnic_pci_tbl, 4282 .probe = qlcnic_probe, 4283 .remove = qlcnic_remove, 4284 #ifdef CONFIG_PM 4285 .suspend = qlcnic_suspend, 4286 .resume = qlcnic_resume, 4287 #endif 4288 .shutdown = qlcnic_shutdown, 4289 .err_handler = &qlcnic_err_handler, 4290 #ifdef CONFIG_QLCNIC_SRIOV 4291 .sriov_configure = qlcnic_pci_sriov_configure, 4292 #endif 4293 4294 }; 4295 4296 static int __init qlcnic_init_module(void) 4297 { 4298 int ret; 4299 4300 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4301 4302 #ifdef CONFIG_INET 4303 register_netdevice_notifier(&qlcnic_netdev_cb); 4304 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4305 #endif 4306 4307 ret = pci_register_driver(&qlcnic_driver); 4308 if (ret) { 4309 #ifdef CONFIG_INET 4310 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4311 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4312 #endif 4313 } 4314 4315 return ret; 4316 } 4317 4318 module_init(qlcnic_init_module); 4319 4320 static void __exit qlcnic_exit_module(void) 4321 { 4322 pci_unregister_driver(&qlcnic_driver); 4323 4324 #ifdef CONFIG_INET 4325 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4326 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4327 #endif 4328 } 4329 4330 module_exit(qlcnic_exit_module); 4331