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, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 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 const struct pci_device_id qlcnic_pci_tbl[] = { 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 118 {0,} 119 }; 120 121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 122 123 124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 125 { 126 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 127 } 128 129 static const u32 msi_tgt_status[8] = { 130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 134 }; 135 136 static const u32 qlcnic_reg_tbl[] = { 137 0x1B20A8, /* PEG_HALT_STAT1 */ 138 0x1B20AC, /* PEG_HALT_STAT2 */ 139 0x1B20B0, /* FW_HEARTBEAT */ 140 0x1B2100, /* LOCK ID */ 141 0x1B2128, /* FW_CAPABILITIES */ 142 0x1B2138, /* drv active */ 143 0x1B2140, /* dev state */ 144 0x1B2144, /* drv state */ 145 0x1B2148, /* drv scratch */ 146 0x1B214C, /* dev partition info */ 147 0x1B2174, /* drv idc ver */ 148 0x1B2150, /* fw version major */ 149 0x1B2154, /* fw version minor */ 150 0x1B2158, /* fw version sub */ 151 0x1B219C, /* npar state */ 152 0x1B21FC, /* FW_IMG_VALID */ 153 0x1B2250, /* CMD_PEG_STATE */ 154 0x1B233C, /* RCV_PEG_STATE */ 155 0x1B23B4, /* ASIC TEMP */ 156 0x1B216C, /* FW api */ 157 0x1B2170, /* drv op mode */ 158 0x13C010, /* flash lock */ 159 0x13C014, /* flash unlock */ 160 }; 161 162 static const struct qlcnic_board_info qlcnic_boards[] = { 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE844X, 165 0x0, 166 0x0, 167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x24e, 172 "8300 Series Dual Port 10GbE Converged Network Adapter " 173 "(TCP/IP Networking)" }, 174 { PCI_VENDOR_ID_QLOGIC, 175 PCI_DEVICE_ID_QLOGIC_QLE834X, 176 PCI_VENDOR_ID_QLOGIC, 177 0x243, 178 "8300 Series Single Port 10GbE Converged Network Adapter " 179 "(TCP/IP Networking)" }, 180 { PCI_VENDOR_ID_QLOGIC, 181 PCI_DEVICE_ID_QLOGIC_QLE834X, 182 PCI_VENDOR_ID_QLOGIC, 183 0x24a, 184 "8300 Series Dual Port 10GbE Converged Network Adapter " 185 "(TCP/IP Networking)" }, 186 { PCI_VENDOR_ID_QLOGIC, 187 PCI_DEVICE_ID_QLOGIC_QLE834X, 188 PCI_VENDOR_ID_QLOGIC, 189 0x246, 190 "8300 Series Dual Port 10GbE Converged Network Adapter " 191 "(TCP/IP Networking)" }, 192 { PCI_VENDOR_ID_QLOGIC, 193 PCI_DEVICE_ID_QLOGIC_QLE834X, 194 PCI_VENDOR_ID_QLOGIC, 195 0x252, 196 "8300 Series Dual Port 10GbE Converged Network Adapter " 197 "(TCP/IP Networking)" }, 198 { PCI_VENDOR_ID_QLOGIC, 199 PCI_DEVICE_ID_QLOGIC_QLE834X, 200 PCI_VENDOR_ID_QLOGIC, 201 0x26e, 202 "8300 Series Dual Port 10GbE Converged Network Adapter " 203 "(TCP/IP Networking)" }, 204 { PCI_VENDOR_ID_QLOGIC, 205 PCI_DEVICE_ID_QLOGIC_QLE834X, 206 PCI_VENDOR_ID_QLOGIC, 207 0x260, 208 "8300 Series Dual Port 10GbE Converged Network Adapter " 209 "(TCP/IP Networking)" }, 210 { PCI_VENDOR_ID_QLOGIC, 211 PCI_DEVICE_ID_QLOGIC_QLE834X, 212 PCI_VENDOR_ID_QLOGIC, 213 0x266, 214 "8300 Series Single Port 10GbE Converged Network Adapter " 215 "(TCP/IP Networking)" }, 216 { PCI_VENDOR_ID_QLOGIC, 217 PCI_DEVICE_ID_QLOGIC_QLE834X, 218 PCI_VENDOR_ID_QLOGIC, 219 0x269, 220 "8300 Series Dual Port 10GbE Converged Network Adapter " 221 "(TCP/IP Networking)" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE834X, 224 PCI_VENDOR_ID_QLOGIC, 225 0x271, 226 "8300 Series Dual Port 10GbE Converged Network Adapter " 227 "(TCP/IP Networking)" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE834X, 230 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE8830, 233 0x0, 234 0x0, 235 "8830 Series 1/10GbE Controller" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x203, 240 "8200 Series Single 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 0x207, 246 "8200 Series Dual Port 10GbE Converged Network Adapter" 247 "(TCP/IP Networking)" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20b, 252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20c, 257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 PCI_VENDOR_ID_QLOGIC, 261 0x20f, 262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 263 { PCI_VENDOR_ID_QLOGIC, 264 PCI_DEVICE_ID_QLOGIC_QLE824X, 265 0x103c, 0x3733, 266 "NC523SFP 10Gb 2-port Server Adapter" }, 267 { PCI_VENDOR_ID_QLOGIC, 268 PCI_DEVICE_ID_QLOGIC_QLE824X, 269 0x103c, 0x3346, 270 "CN1000Q Dual Port Converged Network Adapter" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 PCI_VENDOR_ID_QLOGIC, 274 0x210, 275 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 276 { PCI_VENDOR_ID_QLOGIC, 277 PCI_DEVICE_ID_QLOGIC_QLE824X, 278 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 279 }; 280 281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 282 283 static const 284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 285 286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 287 { 288 int size = sizeof(struct qlcnic_host_sds_ring) * count; 289 290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 291 292 return recv_ctx->sds_rings == NULL; 293 } 294 295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 296 { 297 if (recv_ctx->sds_rings != NULL) 298 kfree(recv_ctx->sds_rings); 299 300 recv_ctx->sds_rings = NULL; 301 } 302 303 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 304 { 305 struct net_device *netdev = adapter->netdev; 306 struct pci_dev *pdev = adapter->pdev; 307 u8 mac_addr[ETH_ALEN]; 308 int ret; 309 310 ret = qlcnic_get_mac_address(adapter, mac_addr, 311 adapter->ahw->pci_func); 312 if (ret) 313 return ret; 314 315 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 316 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 317 318 /* set station address */ 319 320 if (!is_valid_ether_addr(netdev->dev_addr)) 321 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 322 netdev->dev_addr); 323 324 return 0; 325 } 326 327 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 328 { 329 struct qlcnic_mac_vlan_list *cur; 330 struct list_head *head; 331 332 list_for_each(head, &adapter->mac_list) { 333 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 334 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 335 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 336 0, QLCNIC_MAC_DEL); 337 list_del(&cur->list); 338 kfree(cur); 339 return; 340 } 341 } 342 } 343 344 static int qlcnic_set_mac(struct net_device *netdev, void *p) 345 { 346 struct qlcnic_adapter *adapter = netdev_priv(netdev); 347 struct sockaddr *addr = p; 348 349 if (qlcnic_sriov_vf_check(adapter)) 350 return -EINVAL; 351 352 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 353 return -EOPNOTSUPP; 354 355 if (!is_valid_ether_addr(addr->sa_data)) 356 return -EINVAL; 357 358 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data)) 359 return 0; 360 361 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 362 netif_device_detach(netdev); 363 qlcnic_napi_disable(adapter); 364 } 365 366 qlcnic_delete_adapter_mac(adapter); 367 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 368 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 369 qlcnic_set_multi(adapter->netdev); 370 371 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 372 netif_device_attach(netdev); 373 qlcnic_napi_enable(adapter); 374 } 375 return 0; 376 } 377 378 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 379 struct net_device *netdev, const unsigned char *addr) 380 { 381 struct qlcnic_adapter *adapter = netdev_priv(netdev); 382 int err = -EOPNOTSUPP; 383 384 if (!adapter->fdb_mac_learn) 385 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 386 387 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 388 qlcnic_sriov_check(adapter)) { 389 if (is_unicast_ether_addr(addr)) { 390 err = dev_uc_del(netdev, addr); 391 if (!err) 392 err = qlcnic_nic_del_mac(adapter, addr); 393 } else if (is_multicast_ether_addr(addr)) { 394 err = dev_mc_del(netdev, addr); 395 } else { 396 err = -EINVAL; 397 } 398 } 399 return err; 400 } 401 402 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 403 struct net_device *netdev, 404 const unsigned char *addr, u16 flags) 405 { 406 struct qlcnic_adapter *adapter = netdev_priv(netdev); 407 int err = 0; 408 409 if (!adapter->fdb_mac_learn) 410 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 411 412 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 413 !qlcnic_sriov_check(adapter)) { 414 pr_info("%s: FDB e-switch is not enabled\n", __func__); 415 return -EOPNOTSUPP; 416 } 417 418 if (ether_addr_equal(addr, adapter->mac_addr)) 419 return err; 420 421 if (is_unicast_ether_addr(addr)) { 422 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 423 err = dev_uc_add_excl(netdev, addr); 424 else 425 err = -ENOMEM; 426 } else if (is_multicast_ether_addr(addr)) { 427 err = dev_mc_add_excl(netdev, addr); 428 } else { 429 err = -EINVAL; 430 } 431 432 return err; 433 } 434 435 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 436 struct net_device *netdev, 437 struct net_device *filter_dev, int idx) 438 { 439 struct qlcnic_adapter *adapter = netdev_priv(netdev); 440 441 if (!adapter->fdb_mac_learn) 442 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 443 444 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 445 qlcnic_sriov_check(adapter)) 446 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 447 448 return idx; 449 } 450 451 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 452 { 453 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 454 usleep_range(10000, 11000); 455 456 if (!adapter->fw_work.work.func) 457 return; 458 459 cancel_delayed_work_sync(&adapter->fw_work); 460 } 461 462 static int qlcnic_get_phys_port_id(struct net_device *netdev, 463 struct netdev_phys_port_id *ppid) 464 { 465 struct qlcnic_adapter *adapter = netdev_priv(netdev); 466 struct qlcnic_hardware_context *ahw = adapter->ahw; 467 468 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 469 return -EOPNOTSUPP; 470 471 ppid->id_len = sizeof(ahw->phys_port_id); 472 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 473 474 return 0; 475 } 476 477 #ifdef CONFIG_QLCNIC_VXLAN 478 static void qlcnic_add_vxlan_port(struct net_device *netdev, 479 sa_family_t sa_family, __be16 port) 480 { 481 struct qlcnic_adapter *adapter = netdev_priv(netdev); 482 struct qlcnic_hardware_context *ahw = adapter->ahw; 483 484 /* Adapter supports only one VXLAN port. Use very first port 485 * for enabling offload 486 */ 487 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port) 488 return; 489 490 ahw->vxlan_port = ntohs(port); 491 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 492 } 493 494 static void qlcnic_del_vxlan_port(struct net_device *netdev, 495 sa_family_t sa_family, __be16 port) 496 { 497 struct qlcnic_adapter *adapter = netdev_priv(netdev); 498 struct qlcnic_hardware_context *ahw = adapter->ahw; 499 500 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port || 501 (ahw->vxlan_port != ntohs(port))) 502 return; 503 504 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 505 } 506 507 static bool qlcnic_gso_check(struct sk_buff *skb, struct net_device *dev) 508 { 509 return vxlan_gso_check(skb); 510 } 511 #endif 512 513 static const struct net_device_ops qlcnic_netdev_ops = { 514 .ndo_open = qlcnic_open, 515 .ndo_stop = qlcnic_close, 516 .ndo_start_xmit = qlcnic_xmit_frame, 517 .ndo_get_stats = qlcnic_get_stats, 518 .ndo_validate_addr = eth_validate_addr, 519 .ndo_set_rx_mode = qlcnic_set_multi, 520 .ndo_set_mac_address = qlcnic_set_mac, 521 .ndo_change_mtu = qlcnic_change_mtu, 522 .ndo_fix_features = qlcnic_fix_features, 523 .ndo_set_features = qlcnic_set_features, 524 .ndo_tx_timeout = qlcnic_tx_timeout, 525 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 526 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 527 .ndo_fdb_add = qlcnic_fdb_add, 528 .ndo_fdb_del = qlcnic_fdb_del, 529 .ndo_fdb_dump = qlcnic_fdb_dump, 530 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 531 #ifdef CONFIG_QLCNIC_VXLAN 532 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 533 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 534 .ndo_gso_check = qlcnic_gso_check, 535 #endif 536 #ifdef CONFIG_NET_POLL_CONTROLLER 537 .ndo_poll_controller = qlcnic_poll_controller, 538 #endif 539 #ifdef CONFIG_QLCNIC_SRIOV 540 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 541 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 542 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 543 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 544 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 545 #endif 546 }; 547 548 static const struct net_device_ops qlcnic_netdev_failed_ops = { 549 .ndo_open = qlcnic_open, 550 }; 551 552 static struct qlcnic_nic_template qlcnic_ops = { 553 .config_bridged_mode = qlcnic_config_bridged_mode, 554 .config_led = qlcnic_82xx_config_led, 555 .start_firmware = qlcnic_82xx_start_firmware, 556 .request_reset = qlcnic_82xx_dev_request_reset, 557 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 558 .napi_add = qlcnic_82xx_napi_add, 559 .napi_del = qlcnic_82xx_napi_del, 560 .config_ipaddr = qlcnic_82xx_config_ipaddr, 561 .shutdown = qlcnic_82xx_shutdown, 562 .resume = qlcnic_82xx_resume, 563 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 564 }; 565 566 struct qlcnic_nic_template qlcnic_vf_ops = { 567 .config_bridged_mode = qlcnicvf_config_bridged_mode, 568 .config_led = qlcnicvf_config_led, 569 .start_firmware = qlcnicvf_start_firmware 570 }; 571 572 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 573 .read_crb = qlcnic_82xx_read_crb, 574 .write_crb = qlcnic_82xx_write_crb, 575 .read_reg = qlcnic_82xx_hw_read_wx_2M, 576 .write_reg = qlcnic_82xx_hw_write_wx_2M, 577 .get_mac_address = qlcnic_82xx_get_mac_address, 578 .setup_intr = qlcnic_82xx_setup_intr, 579 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 580 .mbx_cmd = qlcnic_82xx_issue_cmd, 581 .get_func_no = qlcnic_82xx_get_func_no, 582 .api_lock = qlcnic_82xx_api_lock, 583 .api_unlock = qlcnic_82xx_api_unlock, 584 .add_sysfs = qlcnic_82xx_add_sysfs, 585 .remove_sysfs = qlcnic_82xx_remove_sysfs, 586 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 587 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 588 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 589 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 590 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 591 .setup_link_event = qlcnic_82xx_linkevent_request, 592 .get_nic_info = qlcnic_82xx_get_nic_info, 593 .get_pci_info = qlcnic_82xx_get_pci_info, 594 .set_nic_info = qlcnic_82xx_set_nic_info, 595 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 596 .napi_enable = qlcnic_82xx_napi_enable, 597 .napi_disable = qlcnic_82xx_napi_disable, 598 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 599 .config_rss = qlcnic_82xx_config_rss, 600 .config_hw_lro = qlcnic_82xx_config_hw_lro, 601 .config_loopback = qlcnic_82xx_set_lb_mode, 602 .clear_loopback = qlcnic_82xx_clear_lb_mode, 603 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 604 .change_l2_filter = qlcnic_82xx_change_filter, 605 .get_board_info = qlcnic_82xx_get_board_info, 606 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 607 .free_mac_list = qlcnic_82xx_free_mac_list, 608 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 609 .io_error_detected = qlcnic_82xx_io_error_detected, 610 .io_slot_reset = qlcnic_82xx_io_slot_reset, 611 .io_resume = qlcnic_82xx_io_resume, 612 .get_beacon_state = qlcnic_82xx_get_beacon_state, 613 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 614 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 615 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 616 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 617 .get_saved_state = qlcnic_82xx_get_saved_state, 618 .set_saved_state = qlcnic_82xx_set_saved_state, 619 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 620 .get_cap_size = qlcnic_82xx_get_cap_size, 621 .set_sys_info = qlcnic_82xx_set_sys_info, 622 .store_cap_mask = qlcnic_82xx_store_cap_mask, 623 }; 624 625 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 626 { 627 struct qlcnic_hardware_context *ahw = adapter->ahw; 628 629 if (qlcnic_82xx_check(adapter) && 630 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 631 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 632 return 0; 633 } else { 634 return 1; 635 } 636 } 637 638 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 639 int queue_type) 640 { 641 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 642 643 if (queue_type == QLCNIC_RX_QUEUE) 644 max_rings = adapter->max_sds_rings; 645 else if (queue_type == QLCNIC_TX_QUEUE) 646 max_rings = adapter->max_tx_rings; 647 648 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 649 max_rings)); 650 651 if (ring_cnt > num_rings) 652 return num_rings; 653 else 654 return ring_cnt; 655 } 656 657 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 658 { 659 /* 83xx adapter does not have max_tx_rings intialized in probe */ 660 if (adapter->max_tx_rings) 661 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 662 QLCNIC_TX_QUEUE); 663 else 664 adapter->drv_tx_rings = tx_cnt; 665 } 666 667 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 668 { 669 /* 83xx adapter does not have max_sds_rings intialized in probe */ 670 if (adapter->max_sds_rings) 671 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 672 QLCNIC_RX_QUEUE); 673 else 674 adapter->drv_sds_rings = rx_cnt; 675 } 676 677 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 678 { 679 struct pci_dev *pdev = adapter->pdev; 680 int num_msix = 0, err = 0, vector; 681 682 adapter->flags &= ~QLCNIC_TSS_RSS; 683 684 if (adapter->drv_tss_rings > 0) 685 num_msix += adapter->drv_tss_rings; 686 else 687 num_msix += adapter->drv_tx_rings; 688 689 if (adapter->drv_rss_rings > 0) 690 num_msix += adapter->drv_rss_rings; 691 else 692 num_msix += adapter->drv_sds_rings; 693 694 if (qlcnic_83xx_check(adapter)) 695 num_msix += 1; 696 697 if (!adapter->msix_entries) { 698 adapter->msix_entries = kcalloc(num_msix, 699 sizeof(struct msix_entry), 700 GFP_KERNEL); 701 if (!adapter->msix_entries) 702 return -ENOMEM; 703 } 704 705 for (vector = 0; vector < num_msix; vector++) 706 adapter->msix_entries[vector].entry = vector; 707 708 restore: 709 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 710 if (err == -ENOSPC) { 711 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 712 return err; 713 714 netdev_info(adapter->netdev, 715 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 716 num_msix, err); 717 718 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 719 720 /* Set rings to 0 so we can restore original TSS/RSS count */ 721 adapter->drv_tss_rings = 0; 722 adapter->drv_rss_rings = 0; 723 724 if (qlcnic_83xx_check(adapter)) 725 num_msix += 1; 726 727 netdev_info(adapter->netdev, 728 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 729 adapter->drv_tx_rings, adapter->drv_sds_rings, 730 num_msix); 731 732 goto restore; 733 } else if (err < 0) { 734 return err; 735 } 736 737 adapter->ahw->num_msix = num_msix; 738 if (adapter->drv_tss_rings > 0) 739 adapter->drv_tx_rings = adapter->drv_tss_rings; 740 741 if (adapter->drv_rss_rings > 0) 742 adapter->drv_sds_rings = adapter->drv_rss_rings; 743 744 return 0; 745 } 746 747 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 748 { 749 struct pci_dev *pdev = adapter->pdev; 750 int err, vector; 751 752 if (!adapter->msix_entries) { 753 adapter->msix_entries = kcalloc(num_msix, 754 sizeof(struct msix_entry), 755 GFP_KERNEL); 756 if (!adapter->msix_entries) 757 return -ENOMEM; 758 } 759 760 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 761 762 if (adapter->ahw->msix_supported) { 763 enable_msix: 764 for (vector = 0; vector < num_msix; vector++) 765 adapter->msix_entries[vector].entry = vector; 766 767 err = pci_enable_msix_range(pdev, 768 adapter->msix_entries, 1, num_msix); 769 770 if (err == num_msix) { 771 adapter->flags |= QLCNIC_MSIX_ENABLED; 772 adapter->ahw->num_msix = num_msix; 773 dev_info(&pdev->dev, "using msi-x interrupts\n"); 774 return 0; 775 } else if (err > 0) { 776 pci_disable_msix(pdev); 777 778 dev_info(&pdev->dev, 779 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 780 num_msix, err); 781 782 if (qlcnic_82xx_check(adapter)) { 783 num_msix = rounddown_pow_of_two(err); 784 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 785 return -ENOSPC; 786 } else { 787 num_msix = rounddown_pow_of_two(err - 1); 788 num_msix += 1; 789 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 790 return -ENOSPC; 791 } 792 793 if (qlcnic_82xx_check(adapter) && 794 !qlcnic_check_multi_tx(adapter)) { 795 adapter->drv_sds_rings = num_msix; 796 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 797 } else { 798 /* Distribute vectors equally */ 799 adapter->drv_tx_rings = num_msix / 2; 800 adapter->drv_sds_rings = adapter->drv_tx_rings; 801 } 802 803 if (num_msix) { 804 dev_info(&pdev->dev, 805 "Trying to allocate %d MSI-X interrupt vectors\n", 806 num_msix); 807 goto enable_msix; 808 } 809 } else { 810 dev_info(&pdev->dev, 811 "Unable to allocate %d MSI-X vectors, err=%d\n", 812 num_msix, err); 813 return err; 814 } 815 } 816 817 return -EIO; 818 } 819 820 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 821 { 822 int num_msix; 823 824 num_msix = adapter->drv_sds_rings; 825 826 if (qlcnic_check_multi_tx(adapter)) 827 num_msix += adapter->drv_tx_rings; 828 else 829 num_msix += QLCNIC_SINGLE_RING; 830 831 return num_msix; 832 } 833 834 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 835 { 836 int err = 0; 837 u32 offset, mask_reg; 838 const struct qlcnic_legacy_intr_set *legacy_intrp; 839 struct qlcnic_hardware_context *ahw = adapter->ahw; 840 struct pci_dev *pdev = adapter->pdev; 841 842 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 843 adapter->flags |= QLCNIC_MSI_ENABLED; 844 offset = msi_tgt_status[adapter->ahw->pci_func]; 845 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 846 offset); 847 dev_info(&pdev->dev, "using msi interrupts\n"); 848 adapter->msix_entries[0].vector = pdev->irq; 849 return err; 850 } 851 852 if (qlcnic_use_msi || qlcnic_use_msi_x) 853 return -EOPNOTSUPP; 854 855 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 856 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 857 offset = legacy_intrp->tgt_status_reg; 858 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 859 mask_reg = legacy_intrp->tgt_mask_reg; 860 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 861 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 862 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 863 dev_info(&pdev->dev, "using legacy interrupts\n"); 864 adapter->msix_entries[0].vector = pdev->irq; 865 return err; 866 } 867 868 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 869 { 870 int num_msix, err = 0; 871 872 if (adapter->flags & QLCNIC_TSS_RSS) { 873 err = qlcnic_setup_tss_rss_intr(adapter); 874 if (err < 0) 875 return err; 876 num_msix = adapter->ahw->num_msix; 877 } else { 878 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 879 880 err = qlcnic_enable_msix(adapter, num_msix); 881 if (err == -ENOMEM) 882 return err; 883 884 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 885 qlcnic_disable_multi_tx(adapter); 886 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 887 888 err = qlcnic_enable_msi_legacy(adapter); 889 if (err) 890 return err; 891 } 892 } 893 894 return 0; 895 } 896 897 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 898 { 899 struct qlcnic_hardware_context *ahw = adapter->ahw; 900 int err, i; 901 902 if (qlcnic_check_multi_tx(adapter) && 903 !ahw->diag_test && 904 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 905 ahw->intr_tbl = vzalloc(ahw->num_msix * 906 sizeof(struct qlcnic_intrpt_config)); 907 if (!ahw->intr_tbl) 908 return -ENOMEM; 909 910 for (i = 0; i < ahw->num_msix; i++) { 911 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 912 ahw->intr_tbl[i].id = i; 913 ahw->intr_tbl[i].src = 0; 914 } 915 916 err = qlcnic_82xx_config_intrpt(adapter, 1); 917 if (err) 918 dev_err(&adapter->pdev->dev, 919 "Failed to configure Interrupt for %d vector\n", 920 ahw->num_msix); 921 return err; 922 } 923 924 return 0; 925 } 926 927 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 928 { 929 if (adapter->flags & QLCNIC_MSIX_ENABLED) 930 pci_disable_msix(adapter->pdev); 931 if (adapter->flags & QLCNIC_MSI_ENABLED) 932 pci_disable_msi(adapter->pdev); 933 934 kfree(adapter->msix_entries); 935 adapter->msix_entries = NULL; 936 937 if (adapter->ahw->intr_tbl) { 938 vfree(adapter->ahw->intr_tbl); 939 adapter->ahw->intr_tbl = NULL; 940 } 941 } 942 943 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 944 { 945 if (ahw->pci_base0 != NULL) 946 iounmap(ahw->pci_base0); 947 } 948 949 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 950 { 951 struct qlcnic_hardware_context *ahw = adapter->ahw; 952 struct qlcnic_pci_info *pci_info; 953 int ret; 954 955 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 956 switch (ahw->port_type) { 957 case QLCNIC_GBE: 958 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 959 break; 960 case QLCNIC_XGBE: 961 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 962 break; 963 } 964 return 0; 965 } 966 967 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 968 return 0; 969 970 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 971 if (!pci_info) 972 return -ENOMEM; 973 974 ret = qlcnic_get_pci_info(adapter, pci_info); 975 kfree(pci_info); 976 return ret; 977 } 978 979 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 980 { 981 bool ret = false; 982 983 if (qlcnic_84xx_check(adapter)) { 984 ret = true; 985 } else if (qlcnic_83xx_check(adapter)) { 986 if (adapter->ahw->extra_capability[0] & 987 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 988 ret = true; 989 else 990 ret = false; 991 } 992 993 return ret; 994 } 995 996 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 997 { 998 struct qlcnic_hardware_context *ahw = adapter->ahw; 999 struct qlcnic_pci_info *pci_info; 1000 int i, id = 0, ret = 0, j = 0; 1001 u16 act_pci_func; 1002 u8 pfn; 1003 1004 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1005 if (!pci_info) 1006 return -ENOMEM; 1007 1008 ret = qlcnic_get_pci_info(adapter, pci_info); 1009 if (ret) 1010 goto err_pci_info; 1011 1012 act_pci_func = ahw->total_nic_func; 1013 1014 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1015 act_pci_func, GFP_KERNEL); 1016 if (!adapter->npars) { 1017 ret = -ENOMEM; 1018 goto err_pci_info; 1019 } 1020 1021 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1022 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1023 if (!adapter->eswitch) { 1024 ret = -ENOMEM; 1025 goto err_npars; 1026 } 1027 1028 for (i = 0; i < ahw->max_vnic_func; i++) { 1029 pfn = pci_info[i].id; 1030 1031 if (pfn >= ahw->max_vnic_func) { 1032 ret = QL_STATUS_INVALID_PARAM; 1033 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1034 __func__, pfn, ahw->max_vnic_func); 1035 goto err_eswitch; 1036 } 1037 1038 if (!pci_info[i].active || 1039 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1040 continue; 1041 1042 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1043 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1044 &id)) 1045 adapter->npars[j].eswitch_status = true; 1046 else 1047 continue; 1048 } else { 1049 adapter->npars[j].eswitch_status = true; 1050 } 1051 1052 adapter->npars[j].pci_func = pfn; 1053 adapter->npars[j].active = (u8)pci_info[i].active; 1054 adapter->npars[j].type = (u8)pci_info[i].type; 1055 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1056 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1057 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1058 1059 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1060 j++; 1061 } 1062 1063 /* Update eSwitch status for adapters without per port eSwitch 1064 * configuration capability 1065 */ 1066 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1067 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1068 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1069 } 1070 1071 kfree(pci_info); 1072 return 0; 1073 1074 err_eswitch: 1075 kfree(adapter->eswitch); 1076 adapter->eswitch = NULL; 1077 err_npars: 1078 kfree(adapter->npars); 1079 adapter->npars = NULL; 1080 err_pci_info: 1081 kfree(pci_info); 1082 1083 return ret; 1084 } 1085 1086 static int 1087 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1088 { 1089 u8 id; 1090 int ret; 1091 u32 data = QLCNIC_MGMT_FUNC; 1092 struct qlcnic_hardware_context *ahw = adapter->ahw; 1093 1094 ret = qlcnic_api_lock(adapter); 1095 if (ret) 1096 goto err_lock; 1097 1098 id = ahw->pci_func; 1099 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1100 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1101 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1102 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1103 qlcnic_api_unlock(adapter); 1104 err_lock: 1105 return ret; 1106 } 1107 1108 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1109 const struct pci_device_id *ent) 1110 { 1111 u32 op_mode, priv_level; 1112 1113 /* Determine FW API version */ 1114 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1115 QLCNIC_FW_API); 1116 1117 /* Find PCI function number */ 1118 qlcnic_get_func_no(adapter); 1119 1120 /* Determine function privilege level */ 1121 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1122 if (op_mode == QLC_DEV_DRV_DEFAULT) 1123 priv_level = QLCNIC_MGMT_FUNC; 1124 else 1125 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1126 1127 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1128 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1129 dev_info(&adapter->pdev->dev, 1130 "HAL Version: %d Non Privileged function\n", 1131 adapter->ahw->fw_hal_version); 1132 adapter->nic_ops = &qlcnic_vf_ops; 1133 } else 1134 adapter->nic_ops = &qlcnic_ops; 1135 } 1136 1137 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1138 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1139 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1140 { 1141 switch (dev_id) { 1142 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1143 *bar = QLCNIC_82XX_BAR0_LENGTH; 1144 break; 1145 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1146 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1147 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1148 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1149 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1150 *bar = QLCNIC_83XX_BAR0_LENGTH; 1151 break; 1152 default: 1153 *bar = 0; 1154 } 1155 } 1156 1157 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1158 struct qlcnic_hardware_context *ahw) 1159 { 1160 u32 offset; 1161 void __iomem *mem_ptr0 = NULL; 1162 unsigned long mem_len, pci_len0 = 0, bar0_len; 1163 1164 /* remap phys address */ 1165 mem_len = pci_resource_len(pdev, 0); 1166 1167 qlcnic_get_bar_length(pdev->device, &bar0_len); 1168 if (mem_len >= bar0_len) { 1169 1170 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1171 if (mem_ptr0 == NULL) { 1172 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1173 return -EIO; 1174 } 1175 pci_len0 = mem_len; 1176 } else { 1177 return -EIO; 1178 } 1179 1180 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1181 1182 ahw->pci_base0 = mem_ptr0; 1183 ahw->pci_len0 = pci_len0; 1184 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1185 qlcnic_get_ioaddr(ahw, offset); 1186 1187 return 0; 1188 } 1189 1190 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1191 int index) 1192 { 1193 struct pci_dev *pdev = adapter->pdev; 1194 unsigned short subsystem_vendor; 1195 bool ret = true; 1196 1197 subsystem_vendor = pdev->subsystem_vendor; 1198 1199 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1200 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1201 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1202 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1203 ret = true; 1204 else 1205 ret = false; 1206 } 1207 1208 return ret; 1209 } 1210 1211 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1212 { 1213 struct pci_dev *pdev = adapter->pdev; 1214 int i, found = 0; 1215 1216 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1217 if (qlcnic_boards[i].vendor == pdev->vendor && 1218 qlcnic_boards[i].device == pdev->device && 1219 qlcnic_validate_subsystem_id(adapter, i)) { 1220 found = 1; 1221 break; 1222 } 1223 } 1224 1225 if (!found) 1226 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1227 else 1228 sprintf(name, "%pM: %s" , adapter->mac_addr, 1229 qlcnic_boards[i].short_name); 1230 } 1231 1232 static void 1233 qlcnic_check_options(struct qlcnic_adapter *adapter) 1234 { 1235 int err; 1236 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1237 struct pci_dev *pdev = adapter->pdev; 1238 struct qlcnic_hardware_context *ahw = adapter->ahw; 1239 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1240 1241 prev_fw_version = adapter->fw_version; 1242 1243 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1244 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1245 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1246 1247 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1248 1249 err = qlcnic_get_board_info(adapter); 1250 if (err) { 1251 dev_err(&pdev->dev, "Error getting board config info.\n"); 1252 return; 1253 } 1254 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1255 if (fw_dump->tmpl_hdr == NULL || 1256 adapter->fw_version > prev_fw_version) { 1257 if (fw_dump->tmpl_hdr) 1258 vfree(fw_dump->tmpl_hdr); 1259 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1260 dev_info(&pdev->dev, 1261 "Supports FW dump capability\n"); 1262 } 1263 } 1264 1265 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1266 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1267 1268 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1269 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1270 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1271 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1272 } else { 1273 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1274 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1275 } 1276 1277 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1278 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1279 1280 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1281 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1282 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1283 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1284 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1285 } 1286 1287 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1288 1289 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1290 1291 adapter->max_rds_rings = MAX_RDS_RINGS; 1292 } 1293 1294 static int 1295 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1296 { 1297 struct qlcnic_info nic_info; 1298 int err = 0; 1299 1300 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1301 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1302 if (err) 1303 return err; 1304 1305 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1306 adapter->ahw->switch_mode = nic_info.switch_mode; 1307 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1308 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1309 adapter->ahw->capabilities = nic_info.capabilities; 1310 1311 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1312 u32 temp; 1313 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1314 if (err == -EIO) 1315 return err; 1316 adapter->ahw->extra_capability[0] = temp; 1317 } else { 1318 adapter->ahw->extra_capability[0] = 0; 1319 } 1320 1321 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1322 adapter->ahw->max_mtu = nic_info.max_mtu; 1323 1324 if (adapter->ahw->capabilities & BIT_6) { 1325 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1326 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1327 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1328 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1329 1330 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1331 } else { 1332 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1333 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1334 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1335 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1336 } 1337 1338 return err; 1339 } 1340 1341 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1342 struct qlcnic_esw_func_cfg *esw_cfg) 1343 { 1344 if (esw_cfg->discard_tagged) 1345 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1346 else 1347 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1348 1349 if (esw_cfg->vlan_id) { 1350 adapter->rx_pvid = esw_cfg->vlan_id; 1351 adapter->tx_pvid = esw_cfg->vlan_id; 1352 } else { 1353 adapter->rx_pvid = 0; 1354 adapter->tx_pvid = 0; 1355 } 1356 } 1357 1358 static int 1359 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1360 { 1361 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1362 int err; 1363 1364 if (qlcnic_sriov_vf_check(adapter)) { 1365 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1366 if (err) { 1367 netdev_err(netdev, 1368 "Cannot add VLAN filter for VLAN id %d, err=%d", 1369 vid, err); 1370 return err; 1371 } 1372 } 1373 1374 set_bit(vid, adapter->vlans); 1375 return 0; 1376 } 1377 1378 static int 1379 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1380 { 1381 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1382 int err; 1383 1384 if (qlcnic_sriov_vf_check(adapter)) { 1385 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1386 if (err) { 1387 netdev_err(netdev, 1388 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1389 vid, err); 1390 return err; 1391 } 1392 } 1393 1394 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1395 clear_bit(vid, adapter->vlans); 1396 return 0; 1397 } 1398 1399 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1400 struct qlcnic_esw_func_cfg *esw_cfg) 1401 { 1402 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1403 QLCNIC_PROMISC_DISABLED); 1404 1405 if (esw_cfg->mac_anti_spoof) 1406 adapter->flags |= QLCNIC_MACSPOOF; 1407 1408 if (!esw_cfg->mac_override) 1409 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1410 1411 if (!esw_cfg->promisc_mode) 1412 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1413 } 1414 1415 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1416 { 1417 struct qlcnic_esw_func_cfg esw_cfg; 1418 1419 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1420 return 0; 1421 1422 esw_cfg.pci_func = adapter->ahw->pci_func; 1423 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1424 return -EIO; 1425 qlcnic_set_vlan_config(adapter, &esw_cfg); 1426 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1427 qlcnic_set_netdev_features(adapter, &esw_cfg); 1428 1429 return 0; 1430 } 1431 1432 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1433 struct qlcnic_esw_func_cfg *esw_cfg) 1434 { 1435 struct net_device *netdev = adapter->netdev; 1436 1437 if (qlcnic_83xx_check(adapter)) 1438 return; 1439 1440 adapter->offload_flags = esw_cfg->offload_flags; 1441 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1442 netdev_update_features(netdev); 1443 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1444 } 1445 1446 static int 1447 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1448 { 1449 u32 op_mode, priv_level; 1450 int err = 0; 1451 1452 err = qlcnic_initialize_nic(adapter); 1453 if (err) 1454 return err; 1455 1456 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1457 return 0; 1458 1459 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1460 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1461 1462 if (op_mode == QLC_DEV_DRV_DEFAULT) 1463 priv_level = QLCNIC_MGMT_FUNC; 1464 else 1465 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1466 1467 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1468 if (priv_level == QLCNIC_MGMT_FUNC) { 1469 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1470 err = qlcnic_init_pci_info(adapter); 1471 if (err) 1472 return err; 1473 /* Set privilege level for other functions */ 1474 qlcnic_set_function_modes(adapter); 1475 dev_info(&adapter->pdev->dev, 1476 "HAL Version: %d, Management function\n", 1477 adapter->ahw->fw_hal_version); 1478 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1479 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1480 dev_info(&adapter->pdev->dev, 1481 "HAL Version: %d, Privileged function\n", 1482 adapter->ahw->fw_hal_version); 1483 } 1484 } else { 1485 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1486 } 1487 1488 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1489 1490 return err; 1491 } 1492 1493 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1494 { 1495 struct qlcnic_esw_func_cfg esw_cfg; 1496 struct qlcnic_npar_info *npar; 1497 u8 i; 1498 1499 if (adapter->need_fw_reset) 1500 return 0; 1501 1502 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1503 if (!adapter->npars[i].eswitch_status) 1504 continue; 1505 1506 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1507 esw_cfg.pci_func = adapter->npars[i].pci_func; 1508 esw_cfg.mac_override = BIT_0; 1509 esw_cfg.promisc_mode = BIT_0; 1510 if (qlcnic_82xx_check(adapter)) { 1511 esw_cfg.offload_flags = BIT_0; 1512 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1513 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1514 } 1515 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1516 return -EIO; 1517 npar = &adapter->npars[i]; 1518 npar->pvid = esw_cfg.vlan_id; 1519 npar->mac_override = esw_cfg.mac_override; 1520 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1521 npar->discard_tagged = esw_cfg.discard_tagged; 1522 npar->promisc_mode = esw_cfg.promisc_mode; 1523 npar->offload_flags = esw_cfg.offload_flags; 1524 } 1525 1526 return 0; 1527 } 1528 1529 1530 static int 1531 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1532 struct qlcnic_npar_info *npar, int pci_func) 1533 { 1534 struct qlcnic_esw_func_cfg esw_cfg; 1535 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1536 esw_cfg.pci_func = pci_func; 1537 esw_cfg.vlan_id = npar->pvid; 1538 esw_cfg.mac_override = npar->mac_override; 1539 esw_cfg.discard_tagged = npar->discard_tagged; 1540 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1541 esw_cfg.offload_flags = npar->offload_flags; 1542 esw_cfg.promisc_mode = npar->promisc_mode; 1543 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1544 return -EIO; 1545 1546 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1547 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1548 return -EIO; 1549 1550 return 0; 1551 } 1552 1553 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1554 { 1555 int i, err; 1556 struct qlcnic_npar_info *npar; 1557 struct qlcnic_info nic_info; 1558 u8 pci_func; 1559 1560 if (qlcnic_82xx_check(adapter)) 1561 if (!adapter->need_fw_reset) 1562 return 0; 1563 1564 /* Set the NPAR config data after FW reset */ 1565 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1566 npar = &adapter->npars[i]; 1567 pci_func = npar->pci_func; 1568 if (!adapter->npars[i].eswitch_status) 1569 continue; 1570 1571 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1572 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1573 if (err) 1574 return err; 1575 nic_info.min_tx_bw = npar->min_bw; 1576 nic_info.max_tx_bw = npar->max_bw; 1577 err = qlcnic_set_nic_info(adapter, &nic_info); 1578 if (err) 1579 return err; 1580 1581 if (npar->enable_pm) { 1582 err = qlcnic_config_port_mirroring(adapter, 1583 npar->dest_npar, 1, 1584 pci_func); 1585 if (err) 1586 return err; 1587 } 1588 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1589 if (err) 1590 return err; 1591 } 1592 return 0; 1593 } 1594 1595 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1596 { 1597 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1598 u32 npar_state; 1599 1600 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1601 return 0; 1602 1603 npar_state = QLC_SHARED_REG_RD32(adapter, 1604 QLCNIC_CRB_DEV_NPAR_STATE); 1605 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1606 msleep(1000); 1607 npar_state = QLC_SHARED_REG_RD32(adapter, 1608 QLCNIC_CRB_DEV_NPAR_STATE); 1609 } 1610 if (!npar_opt_timeo) { 1611 dev_err(&adapter->pdev->dev, 1612 "Waiting for NPAR state to operational timeout\n"); 1613 return -EIO; 1614 } 1615 return 0; 1616 } 1617 1618 static int 1619 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1620 { 1621 int err; 1622 1623 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1624 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1625 return 0; 1626 1627 err = qlcnic_set_default_offload_settings(adapter); 1628 if (err) 1629 return err; 1630 1631 err = qlcnic_reset_npar_config(adapter); 1632 if (err) 1633 return err; 1634 1635 qlcnic_dev_set_npar_ready(adapter); 1636 1637 return err; 1638 } 1639 1640 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1641 { 1642 int err; 1643 1644 err = qlcnic_can_start_firmware(adapter); 1645 if (err < 0) 1646 return err; 1647 else if (!err) 1648 goto check_fw_status; 1649 1650 if (qlcnic_load_fw_file) 1651 qlcnic_request_firmware(adapter); 1652 else { 1653 err = qlcnic_check_flash_fw_ver(adapter); 1654 if (err) 1655 goto err_out; 1656 1657 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1658 } 1659 1660 err = qlcnic_need_fw_reset(adapter); 1661 if (err == 0) 1662 goto check_fw_status; 1663 1664 err = qlcnic_pinit_from_rom(adapter); 1665 if (err) 1666 goto err_out; 1667 1668 err = qlcnic_load_firmware(adapter); 1669 if (err) 1670 goto err_out; 1671 1672 qlcnic_release_firmware(adapter); 1673 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1674 1675 check_fw_status: 1676 err = qlcnic_check_fw_status(adapter); 1677 if (err) 1678 goto err_out; 1679 1680 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1681 qlcnic_idc_debug_info(adapter, 1); 1682 err = qlcnic_check_eswitch_mode(adapter); 1683 if (err) { 1684 dev_err(&adapter->pdev->dev, 1685 "Memory allocation failed for eswitch\n"); 1686 goto err_out; 1687 } 1688 err = qlcnic_set_mgmt_operations(adapter); 1689 if (err) 1690 goto err_out; 1691 1692 qlcnic_check_options(adapter); 1693 adapter->need_fw_reset = 0; 1694 1695 qlcnic_release_firmware(adapter); 1696 return 0; 1697 1698 err_out: 1699 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1700 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1701 1702 qlcnic_release_firmware(adapter); 1703 return err; 1704 } 1705 1706 static int 1707 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1708 { 1709 irq_handler_t handler; 1710 struct qlcnic_host_sds_ring *sds_ring; 1711 struct qlcnic_host_tx_ring *tx_ring; 1712 int err, ring, num_sds_rings; 1713 1714 unsigned long flags = 0; 1715 struct net_device *netdev = adapter->netdev; 1716 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1717 1718 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1719 if (qlcnic_82xx_check(adapter)) 1720 handler = qlcnic_tmp_intr; 1721 else 1722 handler = qlcnic_83xx_tmp_intr; 1723 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1724 flags |= IRQF_SHARED; 1725 1726 } else { 1727 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1728 handler = qlcnic_msix_intr; 1729 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1730 handler = qlcnic_msi_intr; 1731 else { 1732 flags |= IRQF_SHARED; 1733 if (qlcnic_82xx_check(adapter)) 1734 handler = qlcnic_intr; 1735 else 1736 handler = qlcnic_83xx_intr; 1737 } 1738 } 1739 adapter->irq = netdev->irq; 1740 1741 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1742 if (qlcnic_82xx_check(adapter) || 1743 (qlcnic_83xx_check(adapter) && 1744 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1745 num_sds_rings = adapter->drv_sds_rings; 1746 for (ring = 0; ring < num_sds_rings; ring++) { 1747 sds_ring = &recv_ctx->sds_rings[ring]; 1748 if (qlcnic_82xx_check(adapter) && 1749 !qlcnic_check_multi_tx(adapter) && 1750 (ring == (num_sds_rings - 1))) { 1751 if (!(adapter->flags & 1752 QLCNIC_MSIX_ENABLED)) 1753 snprintf(sds_ring->name, 1754 sizeof(sds_ring->name), 1755 "qlcnic"); 1756 else 1757 snprintf(sds_ring->name, 1758 sizeof(sds_ring->name), 1759 "%s-tx-0-rx-%d", 1760 netdev->name, ring); 1761 } else { 1762 snprintf(sds_ring->name, 1763 sizeof(sds_ring->name), 1764 "%s-rx-%d", 1765 netdev->name, ring); 1766 } 1767 err = request_irq(sds_ring->irq, handler, flags, 1768 sds_ring->name, sds_ring); 1769 if (err) 1770 return err; 1771 } 1772 } 1773 if ((qlcnic_82xx_check(adapter) && 1774 qlcnic_check_multi_tx(adapter)) || 1775 (qlcnic_83xx_check(adapter) && 1776 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1777 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1778 handler = qlcnic_msix_tx_intr; 1779 for (ring = 0; ring < adapter->drv_tx_rings; 1780 ring++) { 1781 tx_ring = &adapter->tx_ring[ring]; 1782 snprintf(tx_ring->name, sizeof(tx_ring->name), 1783 "%s-tx-%d", netdev->name, ring); 1784 err = request_irq(tx_ring->irq, handler, flags, 1785 tx_ring->name, tx_ring); 1786 if (err) 1787 return err; 1788 } 1789 } 1790 } 1791 return 0; 1792 } 1793 1794 static void 1795 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1796 { 1797 int ring; 1798 struct qlcnic_host_sds_ring *sds_ring; 1799 struct qlcnic_host_tx_ring *tx_ring; 1800 1801 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1802 1803 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1804 if (qlcnic_82xx_check(adapter) || 1805 (qlcnic_83xx_check(adapter) && 1806 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1807 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1808 sds_ring = &recv_ctx->sds_rings[ring]; 1809 free_irq(sds_ring->irq, sds_ring); 1810 } 1811 } 1812 if ((qlcnic_83xx_check(adapter) && 1813 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1814 (qlcnic_82xx_check(adapter) && 1815 qlcnic_check_multi_tx(adapter))) { 1816 for (ring = 0; ring < adapter->drv_tx_rings; 1817 ring++) { 1818 tx_ring = &adapter->tx_ring[ring]; 1819 if (tx_ring->irq) 1820 free_irq(tx_ring->irq, tx_ring); 1821 } 1822 } 1823 } 1824 } 1825 1826 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1827 { 1828 u32 capab = 0; 1829 1830 if (qlcnic_82xx_check(adapter)) { 1831 if (adapter->ahw->extra_capability[0] & 1832 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1833 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1834 } else { 1835 capab = adapter->ahw->capabilities; 1836 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1837 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1838 } 1839 } 1840 1841 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1842 { 1843 struct qlcnic_hardware_context *ahw = adapter->ahw; 1844 int err; 1845 1846 /* Initialize interrupt coalesce parameters */ 1847 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1848 1849 if (qlcnic_83xx_check(adapter)) { 1850 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1851 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1852 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1853 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1854 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1855 1856 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1857 } else { 1858 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1859 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1860 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1861 1862 err = qlcnic_82xx_set_rx_coalesce(adapter); 1863 } 1864 1865 return err; 1866 } 1867 1868 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1869 { 1870 int ring; 1871 struct qlcnic_host_rds_ring *rds_ring; 1872 1873 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1874 return -EIO; 1875 1876 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1877 return 0; 1878 1879 if (qlcnic_set_eswitch_port_config(adapter)) 1880 return -EIO; 1881 1882 qlcnic_get_lro_mss_capability(adapter); 1883 1884 if (qlcnic_fw_create_ctx(adapter)) 1885 return -EIO; 1886 1887 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1888 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1889 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1890 } 1891 1892 qlcnic_set_multi(netdev); 1893 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1894 1895 adapter->ahw->linkup = 0; 1896 1897 if (adapter->drv_sds_rings > 1) 1898 qlcnic_config_rss(adapter, 1); 1899 1900 qlcnic_config_def_intr_coalesce(adapter); 1901 1902 if (netdev->features & NETIF_F_LRO) 1903 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1904 1905 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1906 qlcnic_napi_enable(adapter); 1907 1908 qlcnic_linkevent_request(adapter, 1); 1909 1910 adapter->ahw->reset_context = 0; 1911 netif_tx_start_all_queues(netdev); 1912 return 0; 1913 } 1914 1915 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1916 { 1917 int err = 0; 1918 1919 rtnl_lock(); 1920 if (netif_running(netdev)) 1921 err = __qlcnic_up(adapter, netdev); 1922 rtnl_unlock(); 1923 1924 return err; 1925 } 1926 1927 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1928 { 1929 int ring; 1930 1931 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1932 return; 1933 1934 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1935 return; 1936 1937 smp_mb(); 1938 netif_carrier_off(netdev); 1939 adapter->ahw->linkup = 0; 1940 netif_tx_disable(netdev); 1941 1942 qlcnic_free_mac_list(adapter); 1943 1944 if (adapter->fhash.fnum) 1945 qlcnic_delete_lb_filters(adapter); 1946 1947 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1948 if (qlcnic_sriov_vf_check(adapter)) 1949 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1950 1951 qlcnic_napi_disable(adapter); 1952 1953 qlcnic_fw_destroy_ctx(adapter); 1954 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1955 1956 qlcnic_reset_rx_buffers_list(adapter); 1957 1958 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1959 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1960 } 1961 1962 /* Usage: During suspend and firmware recovery module */ 1963 1964 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1965 { 1966 rtnl_lock(); 1967 if (netif_running(netdev)) 1968 __qlcnic_down(adapter, netdev); 1969 rtnl_unlock(); 1970 1971 } 1972 1973 int 1974 qlcnic_attach(struct qlcnic_adapter *adapter) 1975 { 1976 struct net_device *netdev = adapter->netdev; 1977 struct pci_dev *pdev = adapter->pdev; 1978 int err; 1979 1980 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1981 return 0; 1982 1983 err = qlcnic_napi_add(adapter, netdev); 1984 if (err) 1985 return err; 1986 1987 err = qlcnic_alloc_sw_resources(adapter); 1988 if (err) { 1989 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1990 goto err_out_napi_del; 1991 } 1992 1993 err = qlcnic_alloc_hw_resources(adapter); 1994 if (err) { 1995 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1996 goto err_out_free_sw; 1997 } 1998 1999 err = qlcnic_request_irq(adapter); 2000 if (err) { 2001 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2002 goto err_out_free_hw; 2003 } 2004 2005 qlcnic_create_sysfs_entries(adapter); 2006 2007 #ifdef CONFIG_QLCNIC_VXLAN 2008 if (qlcnic_encap_rx_offload(adapter)) 2009 vxlan_get_rx_port(netdev); 2010 #endif 2011 2012 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2013 return 0; 2014 2015 err_out_free_hw: 2016 qlcnic_free_hw_resources(adapter); 2017 err_out_free_sw: 2018 qlcnic_free_sw_resources(adapter); 2019 err_out_napi_del: 2020 qlcnic_napi_del(adapter); 2021 return err; 2022 } 2023 2024 void qlcnic_detach(struct qlcnic_adapter *adapter) 2025 { 2026 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2027 return; 2028 2029 qlcnic_remove_sysfs_entries(adapter); 2030 2031 qlcnic_free_hw_resources(adapter); 2032 qlcnic_release_rx_buffers(adapter); 2033 qlcnic_free_irq(adapter); 2034 qlcnic_napi_del(adapter); 2035 qlcnic_free_sw_resources(adapter); 2036 2037 adapter->is_up = 0; 2038 } 2039 2040 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2041 { 2042 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2043 struct qlcnic_host_sds_ring *sds_ring; 2044 int drv_tx_rings = adapter->drv_tx_rings; 2045 int ring; 2046 2047 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2048 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2049 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2050 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2051 qlcnic_disable_sds_intr(adapter, sds_ring); 2052 } 2053 } 2054 2055 qlcnic_fw_destroy_ctx(adapter); 2056 2057 qlcnic_detach(adapter); 2058 2059 adapter->ahw->diag_test = 0; 2060 adapter->drv_sds_rings = drv_sds_rings; 2061 adapter->drv_tx_rings = drv_tx_rings; 2062 2063 if (qlcnic_attach(adapter)) 2064 goto out; 2065 2066 if (netif_running(netdev)) 2067 __qlcnic_up(adapter, netdev); 2068 out: 2069 netif_device_attach(netdev); 2070 } 2071 2072 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2073 { 2074 struct qlcnic_hardware_context *ahw = adapter->ahw; 2075 int err = 0; 2076 2077 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2078 GFP_KERNEL); 2079 if (!adapter->recv_ctx) { 2080 err = -ENOMEM; 2081 goto err_out; 2082 } 2083 2084 if (qlcnic_83xx_check(adapter)) { 2085 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2086 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2087 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2088 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2089 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2090 } else { 2091 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2092 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2093 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2094 } 2095 2096 /* clear stats */ 2097 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2098 err_out: 2099 return err; 2100 } 2101 2102 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2103 { 2104 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2105 2106 kfree(adapter->recv_ctx); 2107 adapter->recv_ctx = NULL; 2108 2109 if (fw_dump->tmpl_hdr) { 2110 vfree(fw_dump->tmpl_hdr); 2111 fw_dump->tmpl_hdr = NULL; 2112 } 2113 2114 if (fw_dump->dma_buffer) { 2115 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2116 fw_dump->dma_buffer, fw_dump->phys_addr); 2117 fw_dump->dma_buffer = NULL; 2118 } 2119 2120 kfree(adapter->ahw->reset.buff); 2121 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2122 } 2123 2124 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2125 { 2126 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2127 struct qlcnic_host_sds_ring *sds_ring; 2128 struct qlcnic_host_rds_ring *rds_ring; 2129 int ring; 2130 int ret; 2131 2132 netif_device_detach(netdev); 2133 2134 if (netif_running(netdev)) 2135 __qlcnic_down(adapter, netdev); 2136 2137 qlcnic_detach(adapter); 2138 2139 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2140 adapter->ahw->diag_test = test; 2141 adapter->ahw->linkup = 0; 2142 2143 ret = qlcnic_attach(adapter); 2144 if (ret) { 2145 netif_device_attach(netdev); 2146 return ret; 2147 } 2148 2149 ret = qlcnic_fw_create_ctx(adapter); 2150 if (ret) { 2151 qlcnic_detach(adapter); 2152 netif_device_attach(netdev); 2153 return ret; 2154 } 2155 2156 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2157 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2158 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2159 } 2160 2161 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2162 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2163 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2164 qlcnic_enable_sds_intr(adapter, sds_ring); 2165 } 2166 } 2167 2168 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2169 adapter->ahw->loopback_state = 0; 2170 qlcnic_linkevent_request(adapter, 1); 2171 } 2172 2173 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2174 2175 return 0; 2176 } 2177 2178 /* Reset context in hardware only */ 2179 static int 2180 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2181 { 2182 struct net_device *netdev = adapter->netdev; 2183 2184 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2185 return -EBUSY; 2186 2187 netif_device_detach(netdev); 2188 2189 qlcnic_down(adapter, netdev); 2190 2191 qlcnic_up(adapter, netdev); 2192 2193 netif_device_attach(netdev); 2194 2195 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2196 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2197 return 0; 2198 } 2199 2200 int 2201 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2202 { 2203 int err = 0; 2204 struct net_device *netdev = adapter->netdev; 2205 2206 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2207 return -EBUSY; 2208 2209 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2210 2211 netif_device_detach(netdev); 2212 2213 if (netif_running(netdev)) 2214 __qlcnic_down(adapter, netdev); 2215 2216 qlcnic_detach(adapter); 2217 2218 if (netif_running(netdev)) { 2219 err = qlcnic_attach(adapter); 2220 if (!err) { 2221 __qlcnic_up(adapter, netdev); 2222 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2223 } 2224 } 2225 2226 netif_device_attach(netdev); 2227 } 2228 2229 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2230 return err; 2231 } 2232 2233 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2234 { 2235 struct qlcnic_hardware_context *ahw = adapter->ahw; 2236 u16 act_pci_fn = ahw->total_nic_func; 2237 u16 count; 2238 2239 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2240 if (act_pci_fn <= 2) 2241 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2242 act_pci_fn; 2243 else 2244 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2245 act_pci_fn; 2246 ahw->max_uc_count = count; 2247 } 2248 2249 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2250 u8 tx_queues, u8 rx_queues) 2251 { 2252 struct net_device *netdev = adapter->netdev; 2253 int err = 0; 2254 2255 if (tx_queues) { 2256 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2257 if (err) { 2258 netdev_err(netdev, "failed to set %d Tx queues\n", 2259 tx_queues); 2260 return err; 2261 } 2262 } 2263 2264 if (rx_queues) { 2265 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2266 if (err) 2267 netdev_err(netdev, "failed to set %d Rx queues\n", 2268 rx_queues); 2269 } 2270 2271 return err; 2272 } 2273 2274 int 2275 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2276 int pci_using_dac) 2277 { 2278 int err; 2279 struct pci_dev *pdev = adapter->pdev; 2280 2281 adapter->rx_csum = 1; 2282 adapter->ahw->mc_enabled = 0; 2283 qlcnic_set_mac_filter_count(adapter); 2284 2285 netdev->netdev_ops = &qlcnic_netdev_ops; 2286 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2287 2288 qlcnic_change_mtu(netdev, netdev->mtu); 2289 2290 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2291 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2292 2293 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2294 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2295 NETIF_F_HW_VLAN_CTAG_RX); 2296 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2297 NETIF_F_IPV6_CSUM); 2298 2299 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2300 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2301 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2302 } 2303 2304 if (pci_using_dac) { 2305 netdev->features |= NETIF_F_HIGHDMA; 2306 netdev->vlan_features |= NETIF_F_HIGHDMA; 2307 } 2308 2309 if (qlcnic_vlan_tx_check(adapter)) 2310 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2311 2312 if (qlcnic_sriov_vf_check(adapter)) 2313 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2314 2315 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2316 netdev->features |= NETIF_F_LRO; 2317 2318 if (qlcnic_encap_tx_offload(adapter)) { 2319 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2320 2321 /* encapsulation Tx offload supported by Adapter */ 2322 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2323 NETIF_F_GSO_UDP_TUNNEL | 2324 NETIF_F_TSO | 2325 NETIF_F_TSO6; 2326 } 2327 2328 if (qlcnic_encap_rx_offload(adapter)) 2329 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2330 2331 netdev->hw_features = netdev->features; 2332 netdev->priv_flags |= IFF_UNICAST_FLT; 2333 netdev->irq = adapter->msix_entries[0].vector; 2334 2335 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2336 adapter->drv_sds_rings); 2337 if (err) 2338 return err; 2339 2340 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2341 2342 err = register_netdev(netdev); 2343 if (err) { 2344 dev_err(&pdev->dev, "failed to register net device\n"); 2345 return err; 2346 } 2347 2348 return 0; 2349 } 2350 2351 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2352 { 2353 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2354 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2355 *pci_using_dac = 1; 2356 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2357 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2358 *pci_using_dac = 0; 2359 else { 2360 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2361 return -EIO; 2362 } 2363 2364 return 0; 2365 } 2366 2367 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2368 { 2369 int ring; 2370 struct qlcnic_host_tx_ring *tx_ring; 2371 2372 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2373 tx_ring = &adapter->tx_ring[ring]; 2374 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2375 vfree(tx_ring->cmd_buf_arr); 2376 tx_ring->cmd_buf_arr = NULL; 2377 } 2378 } 2379 if (adapter->tx_ring != NULL) 2380 kfree(adapter->tx_ring); 2381 } 2382 2383 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2384 struct net_device *netdev) 2385 { 2386 int ring, vector, index; 2387 struct qlcnic_host_tx_ring *tx_ring; 2388 struct qlcnic_cmd_buffer *cmd_buf_arr; 2389 2390 tx_ring = kcalloc(adapter->drv_tx_rings, 2391 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2392 if (tx_ring == NULL) 2393 return -ENOMEM; 2394 2395 adapter->tx_ring = tx_ring; 2396 2397 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2398 tx_ring = &adapter->tx_ring[ring]; 2399 tx_ring->num_desc = adapter->num_txd; 2400 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2401 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2402 if (cmd_buf_arr == NULL) { 2403 qlcnic_free_tx_rings(adapter); 2404 return -ENOMEM; 2405 } 2406 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2407 tx_ring->cmd_buf_arr = cmd_buf_arr; 2408 spin_lock_init(&tx_ring->tx_clean_lock); 2409 } 2410 2411 if (qlcnic_83xx_check(adapter) || 2412 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2413 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2414 tx_ring = &adapter->tx_ring[ring]; 2415 tx_ring->adapter = adapter; 2416 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2417 index = adapter->drv_sds_rings + ring; 2418 vector = adapter->msix_entries[index].vector; 2419 tx_ring->irq = vector; 2420 } 2421 } 2422 } 2423 2424 return 0; 2425 } 2426 2427 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2428 { 2429 struct qlcnic_hardware_context *ahw = adapter->ahw; 2430 u32 fw_cmd = 0; 2431 2432 if (qlcnic_82xx_check(adapter)) 2433 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2434 else if (qlcnic_83xx_check(adapter)) 2435 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2436 2437 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2438 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2439 } 2440 2441 /* Reset firmware API lock */ 2442 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2443 { 2444 qlcnic_api_lock(adapter); 2445 qlcnic_api_unlock(adapter); 2446 } 2447 2448 2449 static int 2450 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2451 { 2452 struct net_device *netdev = NULL; 2453 struct qlcnic_adapter *adapter = NULL; 2454 struct qlcnic_hardware_context *ahw; 2455 int err, pci_using_dac = -1; 2456 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2457 2458 err = pci_enable_device(pdev); 2459 if (err) 2460 return err; 2461 2462 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2463 err = -ENODEV; 2464 goto err_out_disable_pdev; 2465 } 2466 2467 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2468 if (err) 2469 goto err_out_disable_pdev; 2470 2471 err = pci_request_regions(pdev, qlcnic_driver_name); 2472 if (err) 2473 goto err_out_disable_pdev; 2474 2475 pci_set_master(pdev); 2476 pci_enable_pcie_error_reporting(pdev); 2477 2478 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2479 if (!ahw) { 2480 err = -ENOMEM; 2481 goto err_out_free_res; 2482 } 2483 2484 switch (ent->device) { 2485 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2486 ahw->hw_ops = &qlcnic_hw_ops; 2487 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2488 break; 2489 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2490 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2491 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2492 qlcnic_83xx_register_map(ahw); 2493 break; 2494 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2495 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2496 qlcnic_sriov_vf_register_map(ahw); 2497 break; 2498 default: 2499 goto err_out_free_hw_res; 2500 } 2501 2502 err = qlcnic_setup_pci_map(pdev, ahw); 2503 if (err) 2504 goto err_out_free_hw_res; 2505 2506 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2507 QLCNIC_MAX_TX_RINGS); 2508 if (!netdev) { 2509 err = -ENOMEM; 2510 goto err_out_iounmap; 2511 } 2512 2513 SET_NETDEV_DEV(netdev, &pdev->dev); 2514 2515 adapter = netdev_priv(netdev); 2516 adapter->netdev = netdev; 2517 adapter->pdev = pdev; 2518 adapter->ahw = ahw; 2519 2520 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2521 if (adapter->qlcnic_wq == NULL) { 2522 err = -ENOMEM; 2523 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2524 goto err_out_free_netdev; 2525 } 2526 2527 err = qlcnic_alloc_adapter_resources(adapter); 2528 if (err) 2529 goto err_out_free_wq; 2530 2531 adapter->dev_rst_time = jiffies; 2532 ahw->revision_id = pdev->revision; 2533 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2534 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2535 adapter->fdb_mac_learn = true; 2536 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2537 adapter->drv_mac_learn = true; 2538 2539 rwlock_init(&adapter->ahw->crb_lock); 2540 mutex_init(&adapter->ahw->mem_lock); 2541 2542 INIT_LIST_HEAD(&adapter->mac_list); 2543 2544 qlcnic_register_dcb(adapter); 2545 2546 if (qlcnic_82xx_check(adapter)) { 2547 qlcnic_check_vf(adapter, ent); 2548 adapter->portnum = adapter->ahw->pci_func; 2549 qlcnic_reset_api_lock(adapter); 2550 err = qlcnic_start_firmware(adapter); 2551 if (err) { 2552 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2553 "\t\tIf reboot doesn't help, try flashing the card\n"); 2554 goto err_out_maintenance_mode; 2555 } 2556 2557 /* compute and set default and max tx/sds rings */ 2558 if (adapter->ahw->msix_supported) { 2559 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2560 qlcnic_set_tx_ring_count(adapter, 2561 QLCNIC_SINGLE_RING); 2562 else 2563 qlcnic_set_tx_ring_count(adapter, 2564 QLCNIC_DEF_TX_RINGS); 2565 qlcnic_set_sds_ring_count(adapter, 2566 QLCNIC_DEF_SDS_RINGS); 2567 } else { 2568 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2569 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2570 } 2571 2572 err = qlcnic_setup_idc_param(adapter); 2573 if (err) 2574 goto err_out_free_hw; 2575 2576 adapter->flags |= QLCNIC_NEED_FLR; 2577 2578 } else if (qlcnic_83xx_check(adapter)) { 2579 qlcnic_83xx_check_vf(adapter, ent); 2580 adapter->portnum = adapter->ahw->pci_func; 2581 err = qlcnic_83xx_init(adapter, pci_using_dac); 2582 if (err) { 2583 switch (err) { 2584 case -ENOTRECOVERABLE: 2585 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2586 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2587 goto err_out_free_hw; 2588 case -ENOMEM: 2589 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2590 goto err_out_free_hw; 2591 case -EOPNOTSUPP: 2592 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2593 goto err_out_free_hw; 2594 default: 2595 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2596 goto err_out_maintenance_mode; 2597 } 2598 } 2599 2600 if (qlcnic_sriov_vf_check(adapter)) 2601 return 0; 2602 } else { 2603 dev_err(&pdev->dev, 2604 "%s: failed. Please Reboot\n", __func__); 2605 goto err_out_free_hw; 2606 } 2607 2608 if (qlcnic_read_mac_addr(adapter)) 2609 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2610 2611 qlcnic_read_phys_port_id(adapter); 2612 2613 if (adapter->portnum == 0) { 2614 qlcnic_get_board_name(adapter, board_name); 2615 2616 pr_info("%s: %s Board Chip rev 0x%x\n", 2617 module_name(THIS_MODULE), 2618 board_name, adapter->ahw->revision_id); 2619 } 2620 2621 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2622 !!qlcnic_use_msi) 2623 dev_warn(&pdev->dev, 2624 "Device does not support MSI interrupts\n"); 2625 2626 if (qlcnic_82xx_check(adapter)) { 2627 qlcnic_dcb_enable(adapter->dcb); 2628 qlcnic_dcb_get_info(adapter->dcb); 2629 err = qlcnic_setup_intr(adapter); 2630 2631 if (err) { 2632 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2633 goto err_out_disable_msi; 2634 } 2635 } 2636 2637 err = qlcnic_get_act_pci_func(adapter); 2638 if (err) 2639 goto err_out_disable_mbx_intr; 2640 2641 if (adapter->portnum == 0) 2642 qlcnic_set_drv_version(adapter); 2643 2644 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2645 if (err) 2646 goto err_out_disable_mbx_intr; 2647 2648 pci_set_drvdata(pdev, adapter); 2649 2650 if (qlcnic_82xx_check(adapter)) 2651 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2652 FW_POLL_DELAY); 2653 2654 switch (adapter->ahw->port_type) { 2655 case QLCNIC_GBE: 2656 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2657 adapter->netdev->name); 2658 break; 2659 case QLCNIC_XGBE: 2660 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2661 adapter->netdev->name); 2662 break; 2663 } 2664 2665 if (adapter->drv_mac_learn) 2666 qlcnic_alloc_lb_filters_mem(adapter); 2667 2668 qlcnic_add_sysfs(adapter); 2669 qlcnic_register_hwmon_dev(adapter); 2670 return 0; 2671 2672 err_out_disable_mbx_intr: 2673 if (qlcnic_83xx_check(adapter)) 2674 qlcnic_83xx_free_mbx_intr(adapter); 2675 2676 err_out_disable_msi: 2677 qlcnic_teardown_intr(adapter); 2678 qlcnic_cancel_idc_work(adapter); 2679 qlcnic_clr_all_drv_state(adapter, 0); 2680 2681 err_out_free_hw: 2682 qlcnic_free_adapter_resources(adapter); 2683 2684 err_out_free_wq: 2685 destroy_workqueue(adapter->qlcnic_wq); 2686 2687 err_out_free_netdev: 2688 free_netdev(netdev); 2689 2690 err_out_iounmap: 2691 qlcnic_cleanup_pci_map(ahw); 2692 2693 err_out_free_hw_res: 2694 kfree(ahw); 2695 2696 err_out_free_res: 2697 pci_release_regions(pdev); 2698 2699 err_out_disable_pdev: 2700 pci_disable_device(pdev); 2701 return err; 2702 2703 err_out_maintenance_mode: 2704 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2705 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2706 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2707 ahw->port_type = QLCNIC_XGBE; 2708 2709 if (qlcnic_83xx_check(adapter)) 2710 adapter->tgt_status_reg = NULL; 2711 else 2712 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2713 2714 err = register_netdev(netdev); 2715 2716 if (err) { 2717 dev_err(&pdev->dev, "Failed to register net device\n"); 2718 qlcnic_clr_all_drv_state(adapter, 0); 2719 goto err_out_free_hw; 2720 } 2721 2722 pci_set_drvdata(pdev, adapter); 2723 qlcnic_add_sysfs(adapter); 2724 2725 return 0; 2726 } 2727 2728 static void qlcnic_remove(struct pci_dev *pdev) 2729 { 2730 struct qlcnic_adapter *adapter; 2731 struct net_device *netdev; 2732 struct qlcnic_hardware_context *ahw; 2733 2734 adapter = pci_get_drvdata(pdev); 2735 if (adapter == NULL) 2736 return; 2737 2738 netdev = adapter->netdev; 2739 2740 qlcnic_cancel_idc_work(adapter); 2741 qlcnic_sriov_pf_disable(adapter); 2742 ahw = adapter->ahw; 2743 2744 unregister_netdev(netdev); 2745 qlcnic_sriov_cleanup(adapter); 2746 2747 if (qlcnic_83xx_check(adapter)) { 2748 qlcnic_83xx_initialize_nic(adapter, 0); 2749 cancel_delayed_work_sync(&adapter->idc_aen_work); 2750 qlcnic_83xx_free_mbx_intr(adapter); 2751 qlcnic_83xx_detach_mailbox_work(adapter); 2752 qlcnic_83xx_free_mailbox(ahw->mailbox); 2753 kfree(ahw->fw_info); 2754 } 2755 2756 qlcnic_dcb_free(adapter->dcb); 2757 2758 qlcnic_detach(adapter); 2759 2760 if (adapter->npars != NULL) 2761 kfree(adapter->npars); 2762 if (adapter->eswitch != NULL) 2763 kfree(adapter->eswitch); 2764 2765 if (qlcnic_82xx_check(adapter)) 2766 qlcnic_clr_all_drv_state(adapter, 0); 2767 2768 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2769 2770 qlcnic_free_lb_filters_mem(adapter); 2771 2772 qlcnic_teardown_intr(adapter); 2773 2774 qlcnic_remove_sysfs(adapter); 2775 2776 qlcnic_unregister_hwmon_dev(adapter); 2777 2778 qlcnic_cleanup_pci_map(adapter->ahw); 2779 2780 qlcnic_release_firmware(adapter); 2781 2782 pci_disable_pcie_error_reporting(pdev); 2783 pci_release_regions(pdev); 2784 pci_disable_device(pdev); 2785 2786 if (adapter->qlcnic_wq) { 2787 destroy_workqueue(adapter->qlcnic_wq); 2788 adapter->qlcnic_wq = NULL; 2789 } 2790 2791 qlcnic_free_adapter_resources(adapter); 2792 kfree(ahw); 2793 free_netdev(netdev); 2794 } 2795 2796 static void qlcnic_shutdown(struct pci_dev *pdev) 2797 { 2798 if (__qlcnic_shutdown(pdev)) 2799 return; 2800 2801 pci_disable_device(pdev); 2802 } 2803 2804 #ifdef CONFIG_PM 2805 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2806 { 2807 int retval; 2808 2809 retval = __qlcnic_shutdown(pdev); 2810 if (retval) 2811 return retval; 2812 2813 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2814 return 0; 2815 } 2816 2817 static int qlcnic_resume(struct pci_dev *pdev) 2818 { 2819 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2820 int err; 2821 2822 err = pci_enable_device(pdev); 2823 if (err) 2824 return err; 2825 2826 pci_set_power_state(pdev, PCI_D0); 2827 pci_set_master(pdev); 2828 pci_restore_state(pdev); 2829 2830 return __qlcnic_resume(adapter); 2831 } 2832 #endif 2833 2834 static int qlcnic_open(struct net_device *netdev) 2835 { 2836 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2837 int err; 2838 2839 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2840 netdev_err(netdev, "%s: Device is in non-operational state\n", 2841 __func__); 2842 2843 return -EIO; 2844 } 2845 2846 netif_carrier_off(netdev); 2847 2848 err = qlcnic_attach(adapter); 2849 if (err) 2850 return err; 2851 2852 err = __qlcnic_up(adapter, netdev); 2853 if (err) 2854 qlcnic_detach(adapter); 2855 2856 return err; 2857 } 2858 2859 /* 2860 * qlcnic_close - Disables a network interface entry point 2861 */ 2862 static int qlcnic_close(struct net_device *netdev) 2863 { 2864 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2865 2866 __qlcnic_down(adapter, netdev); 2867 2868 return 0; 2869 } 2870 2871 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2872 2873 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2874 { 2875 void *head; 2876 int i; 2877 struct net_device *netdev = adapter->netdev; 2878 u32 filter_size = 0; 2879 u16 act_pci_func = 0; 2880 2881 if (adapter->fhash.fmax && adapter->fhash.fhead) 2882 return; 2883 2884 act_pci_func = adapter->ahw->total_nic_func; 2885 spin_lock_init(&adapter->mac_learn_lock); 2886 spin_lock_init(&adapter->rx_mac_learn_lock); 2887 2888 if (qlcnic_sriov_vf_check(adapter)) { 2889 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2890 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2891 } else if (qlcnic_82xx_check(adapter)) { 2892 filter_size = QLCNIC_LB_MAX_FILTERS; 2893 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2894 } else { 2895 filter_size = QLC_83XX_LB_MAX_FILTERS; 2896 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2897 } 2898 2899 head = kcalloc(adapter->fhash.fbucket_size, 2900 sizeof(struct hlist_head), GFP_ATOMIC); 2901 2902 if (!head) 2903 return; 2904 2905 adapter->fhash.fmax = (filter_size / act_pci_func); 2906 adapter->fhash.fhead = head; 2907 2908 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2909 act_pci_func, adapter->fhash.fmax); 2910 2911 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2912 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2913 2914 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2915 2916 head = kcalloc(adapter->rx_fhash.fbucket_size, 2917 sizeof(struct hlist_head), GFP_ATOMIC); 2918 2919 if (!head) 2920 return; 2921 2922 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2923 adapter->rx_fhash.fhead = head; 2924 2925 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2926 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2927 } 2928 2929 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2930 { 2931 if (adapter->fhash.fmax && adapter->fhash.fhead) 2932 kfree(adapter->fhash.fhead); 2933 2934 adapter->fhash.fhead = NULL; 2935 adapter->fhash.fmax = 0; 2936 2937 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2938 kfree(adapter->rx_fhash.fhead); 2939 2940 adapter->rx_fhash.fmax = 0; 2941 adapter->rx_fhash.fhead = NULL; 2942 } 2943 2944 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2945 { 2946 struct net_device *netdev = adapter->netdev; 2947 u32 temp_state, temp_val, temp = 0; 2948 int rv = 0; 2949 2950 if (qlcnic_83xx_check(adapter)) 2951 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2952 2953 if (qlcnic_82xx_check(adapter)) 2954 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2955 2956 temp_state = qlcnic_get_temp_state(temp); 2957 temp_val = qlcnic_get_temp_val(temp); 2958 2959 if (temp_state == QLCNIC_TEMP_PANIC) { 2960 dev_err(&netdev->dev, 2961 "Device temperature %d degrees C exceeds" 2962 " maximum allowed. Hardware has been shut down.\n", 2963 temp_val); 2964 rv = 1; 2965 } else if (temp_state == QLCNIC_TEMP_WARN) { 2966 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2967 dev_err(&netdev->dev, 2968 "Device temperature %d degrees C " 2969 "exceeds operating range." 2970 " Immediate action needed.\n", 2971 temp_val); 2972 } 2973 } else { 2974 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2975 dev_info(&netdev->dev, 2976 "Device temperature is now %d degrees C" 2977 " in normal range.\n", temp_val); 2978 } 2979 } 2980 adapter->ahw->temp = temp_state; 2981 return rv; 2982 } 2983 2984 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2985 { 2986 int i; 2987 struct cmd_desc_type0 *tx_desc_info; 2988 2989 for (i = 0; i < tx_ring->num_desc; i++) { 2990 tx_desc_info = &tx_ring->desc_head[i]; 2991 pr_info("TX Desc: %d\n", i); 2992 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2993 &tx_ring->desc_head[i], 2994 sizeof(struct cmd_desc_type0), true); 2995 } 2996 } 2997 2998 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2999 { 3000 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3001 struct net_device *netdev = adapter->netdev; 3002 struct qlcnic_host_rds_ring *rds_ring; 3003 struct qlcnic_host_sds_ring *sds_ring; 3004 struct qlcnic_host_tx_ring *tx_ring; 3005 int ring; 3006 3007 if (!netdev || !netif_running(netdev)) 3008 return; 3009 3010 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3011 rds_ring = &recv_ctx->rds_rings[ring]; 3012 if (!rds_ring) 3013 continue; 3014 netdev_info(netdev, 3015 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3016 ring, readl(rds_ring->crb_rcv_producer), 3017 rds_ring->producer, rds_ring->num_desc); 3018 } 3019 3020 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3021 sds_ring = &(recv_ctx->sds_rings[ring]); 3022 if (!sds_ring) 3023 continue; 3024 netdev_info(netdev, 3025 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3026 ring, readl(sds_ring->crb_sts_consumer), 3027 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3028 sds_ring->num_desc); 3029 } 3030 3031 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3032 tx_ring = &adapter->tx_ring[ring]; 3033 if (!tx_ring) 3034 continue; 3035 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3036 ring, tx_ring->ctx_id); 3037 netdev_info(netdev, 3038 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3039 tx_ring->tx_stats.xmit_finished, 3040 tx_ring->tx_stats.xmit_called, 3041 tx_ring->tx_stats.xmit_on, 3042 tx_ring->tx_stats.xmit_off); 3043 3044 if (tx_ring->crb_intr_mask) 3045 netdev_info(netdev, "crb_intr_mask=%d\n", 3046 readl(tx_ring->crb_intr_mask)); 3047 3048 netdev_info(netdev, 3049 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3050 readl(tx_ring->crb_cmd_producer), 3051 tx_ring->producer, tx_ring->sw_consumer, 3052 le32_to_cpu(*(tx_ring->hw_consumer))); 3053 3054 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3055 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3056 3057 if (netif_msg_tx_err(adapter->ahw)) 3058 dump_tx_ring_desc(tx_ring); 3059 } 3060 3061 } 3062 3063 static void qlcnic_tx_timeout(struct net_device *netdev) 3064 { 3065 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3066 3067 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3068 return; 3069 3070 qlcnic_dump_rings(adapter); 3071 3072 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3073 netif_msg_tx_err(adapter->ahw)) { 3074 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3075 if (qlcnic_82xx_check(adapter)) 3076 adapter->need_fw_reset = 1; 3077 else if (qlcnic_83xx_check(adapter)) 3078 qlcnic_83xx_idc_request_reset(adapter, 3079 QLCNIC_FORCE_FW_DUMP_KEY); 3080 } else { 3081 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3082 adapter->ahw->reset_context = 1; 3083 } 3084 } 3085 3086 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3087 { 3088 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3089 struct net_device_stats *stats = &netdev->stats; 3090 3091 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3092 qlcnic_update_stats(adapter); 3093 3094 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3095 stats->tx_packets = adapter->stats.xmitfinished; 3096 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3097 stats->tx_bytes = adapter->stats.txbytes; 3098 stats->rx_dropped = adapter->stats.rxdropped; 3099 stats->tx_dropped = adapter->stats.txdropped; 3100 3101 return stats; 3102 } 3103 3104 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3105 { 3106 u32 status; 3107 3108 status = readl(adapter->isr_int_vec); 3109 3110 if (!(status & adapter->ahw->int_vec_bit)) 3111 return IRQ_NONE; 3112 3113 /* check interrupt state machine, to be sure */ 3114 status = readl(adapter->crb_int_state_reg); 3115 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3116 return IRQ_NONE; 3117 3118 writel(0xffffffff, adapter->tgt_status_reg); 3119 /* read twice to ensure write is flushed */ 3120 readl(adapter->isr_int_vec); 3121 readl(adapter->isr_int_vec); 3122 3123 return IRQ_HANDLED; 3124 } 3125 3126 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3127 { 3128 struct qlcnic_host_sds_ring *sds_ring = data; 3129 struct qlcnic_adapter *adapter = sds_ring->adapter; 3130 3131 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3132 goto done; 3133 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3134 writel(0xffffffff, adapter->tgt_status_reg); 3135 goto done; 3136 } 3137 3138 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3139 return IRQ_NONE; 3140 3141 done: 3142 adapter->ahw->diag_cnt++; 3143 qlcnic_enable_sds_intr(adapter, sds_ring); 3144 return IRQ_HANDLED; 3145 } 3146 3147 static irqreturn_t qlcnic_intr(int irq, void *data) 3148 { 3149 struct qlcnic_host_sds_ring *sds_ring = data; 3150 struct qlcnic_adapter *adapter = sds_ring->adapter; 3151 3152 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3153 return IRQ_NONE; 3154 3155 napi_schedule(&sds_ring->napi); 3156 3157 return IRQ_HANDLED; 3158 } 3159 3160 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3161 { 3162 struct qlcnic_host_sds_ring *sds_ring = data; 3163 struct qlcnic_adapter *adapter = sds_ring->adapter; 3164 3165 /* clear interrupt */ 3166 writel(0xffffffff, adapter->tgt_status_reg); 3167 3168 napi_schedule(&sds_ring->napi); 3169 return IRQ_HANDLED; 3170 } 3171 3172 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3173 { 3174 struct qlcnic_host_sds_ring *sds_ring = data; 3175 3176 napi_schedule(&sds_ring->napi); 3177 return IRQ_HANDLED; 3178 } 3179 3180 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3181 { 3182 struct qlcnic_host_tx_ring *tx_ring = data; 3183 3184 napi_schedule(&tx_ring->napi); 3185 return IRQ_HANDLED; 3186 } 3187 3188 #ifdef CONFIG_NET_POLL_CONTROLLER 3189 static void qlcnic_poll_controller(struct net_device *netdev) 3190 { 3191 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3192 struct qlcnic_host_sds_ring *sds_ring; 3193 struct qlcnic_recv_context *recv_ctx; 3194 struct qlcnic_host_tx_ring *tx_ring; 3195 int ring; 3196 3197 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3198 return; 3199 3200 recv_ctx = adapter->recv_ctx; 3201 3202 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3203 sds_ring = &recv_ctx->sds_rings[ring]; 3204 qlcnic_disable_sds_intr(adapter, sds_ring); 3205 napi_schedule(&sds_ring->napi); 3206 } 3207 3208 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3209 /* Only Multi-Tx queue capable devices need to 3210 * schedule NAPI for TX rings 3211 */ 3212 if ((qlcnic_83xx_check(adapter) && 3213 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3214 (qlcnic_82xx_check(adapter) && 3215 !qlcnic_check_multi_tx(adapter))) 3216 return; 3217 3218 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3219 tx_ring = &adapter->tx_ring[ring]; 3220 qlcnic_disable_tx_intr(adapter, tx_ring); 3221 napi_schedule(&tx_ring->napi); 3222 } 3223 } 3224 } 3225 #endif 3226 3227 static void 3228 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3229 { 3230 u32 val; 3231 3232 val = adapter->portnum & 0xf; 3233 val |= encoding << 7; 3234 val |= (jiffies - adapter->dev_rst_time) << 8; 3235 3236 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3237 adapter->dev_rst_time = jiffies; 3238 } 3239 3240 static int 3241 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3242 { 3243 u32 val; 3244 3245 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3246 state != QLCNIC_DEV_NEED_QUISCENT); 3247 3248 if (qlcnic_api_lock(adapter)) 3249 return -EIO; 3250 3251 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3252 3253 if (state == QLCNIC_DEV_NEED_RESET) 3254 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3255 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3256 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3257 3258 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3259 3260 qlcnic_api_unlock(adapter); 3261 3262 return 0; 3263 } 3264 3265 static int 3266 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3267 { 3268 u32 val; 3269 3270 if (qlcnic_api_lock(adapter)) 3271 return -EBUSY; 3272 3273 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3274 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3275 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3276 3277 qlcnic_api_unlock(adapter); 3278 3279 return 0; 3280 } 3281 3282 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3283 { 3284 u32 val; 3285 3286 if (qlcnic_api_lock(adapter)) 3287 goto err; 3288 3289 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3290 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3291 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3292 3293 if (failed) { 3294 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3295 QLCNIC_DEV_FAILED); 3296 dev_info(&adapter->pdev->dev, 3297 "Device state set to Failed. Please Reboot\n"); 3298 } else if (!(val & 0x11111111)) 3299 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3300 QLCNIC_DEV_COLD); 3301 3302 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3303 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3304 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3305 3306 qlcnic_api_unlock(adapter); 3307 err: 3308 adapter->fw_fail_cnt = 0; 3309 adapter->flags &= ~QLCNIC_FW_HANG; 3310 clear_bit(__QLCNIC_START_FW, &adapter->state); 3311 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3312 } 3313 3314 /* Grab api lock, before checking state */ 3315 static int 3316 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3317 { 3318 int act, state, active_mask; 3319 struct qlcnic_hardware_context *ahw = adapter->ahw; 3320 3321 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3322 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3323 3324 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3325 active_mask = (~(1 << (ahw->pci_func * 4))); 3326 act = act & active_mask; 3327 } 3328 3329 if (((state & 0x11111111) == (act & 0x11111111)) || 3330 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3331 return 0; 3332 else 3333 return 1; 3334 } 3335 3336 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3337 { 3338 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3339 3340 if (val != QLCNIC_DRV_IDC_VER) { 3341 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3342 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3343 } 3344 3345 return 0; 3346 } 3347 3348 static int 3349 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3350 { 3351 u32 val, prev_state; 3352 u8 dev_init_timeo = adapter->dev_init_timeo; 3353 u8 portnum = adapter->portnum; 3354 u8 ret; 3355 3356 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3357 return 1; 3358 3359 if (qlcnic_api_lock(adapter)) 3360 return -1; 3361 3362 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3363 if (!(val & (1 << (portnum * 4)))) { 3364 QLC_DEV_SET_REF_CNT(val, portnum); 3365 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3366 } 3367 3368 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3369 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3370 3371 switch (prev_state) { 3372 case QLCNIC_DEV_COLD: 3373 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3374 QLCNIC_DEV_INITIALIZING); 3375 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3376 QLCNIC_DRV_IDC_VER); 3377 qlcnic_idc_debug_info(adapter, 0); 3378 qlcnic_api_unlock(adapter); 3379 return 1; 3380 3381 case QLCNIC_DEV_READY: 3382 ret = qlcnic_check_idc_ver(adapter); 3383 qlcnic_api_unlock(adapter); 3384 return ret; 3385 3386 case QLCNIC_DEV_NEED_RESET: 3387 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3388 QLC_DEV_SET_RST_RDY(val, portnum); 3389 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3390 break; 3391 3392 case QLCNIC_DEV_NEED_QUISCENT: 3393 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3394 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3395 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3396 break; 3397 3398 case QLCNIC_DEV_FAILED: 3399 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3400 qlcnic_api_unlock(adapter); 3401 return -1; 3402 3403 case QLCNIC_DEV_INITIALIZING: 3404 case QLCNIC_DEV_QUISCENT: 3405 break; 3406 } 3407 3408 qlcnic_api_unlock(adapter); 3409 3410 do { 3411 msleep(1000); 3412 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3413 3414 if (prev_state == QLCNIC_DEV_QUISCENT) 3415 continue; 3416 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3417 3418 if (!dev_init_timeo) { 3419 dev_err(&adapter->pdev->dev, 3420 "Waiting for device to initialize timeout\n"); 3421 return -1; 3422 } 3423 3424 if (qlcnic_api_lock(adapter)) 3425 return -1; 3426 3427 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3428 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3429 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3430 3431 ret = qlcnic_check_idc_ver(adapter); 3432 qlcnic_api_unlock(adapter); 3433 3434 return ret; 3435 } 3436 3437 static void 3438 qlcnic_fwinit_work(struct work_struct *work) 3439 { 3440 struct qlcnic_adapter *adapter = container_of(work, 3441 struct qlcnic_adapter, fw_work.work); 3442 u32 dev_state = 0xf; 3443 u32 val; 3444 3445 if (qlcnic_api_lock(adapter)) 3446 goto err_ret; 3447 3448 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3449 if (dev_state == QLCNIC_DEV_QUISCENT || 3450 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3451 qlcnic_api_unlock(adapter); 3452 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3453 FW_POLL_DELAY * 2); 3454 return; 3455 } 3456 3457 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3458 qlcnic_api_unlock(adapter); 3459 goto wait_npar; 3460 } 3461 3462 if (dev_state == QLCNIC_DEV_INITIALIZING || 3463 dev_state == QLCNIC_DEV_READY) { 3464 dev_info(&adapter->pdev->dev, "Detected state change from " 3465 "DEV_NEED_RESET, skipping ack check\n"); 3466 goto skip_ack_check; 3467 } 3468 3469 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3470 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3471 adapter->reset_ack_timeo); 3472 goto skip_ack_check; 3473 } 3474 3475 if (!qlcnic_check_drv_state(adapter)) { 3476 skip_ack_check: 3477 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3478 3479 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3480 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3481 QLCNIC_DEV_INITIALIZING); 3482 set_bit(__QLCNIC_START_FW, &adapter->state); 3483 QLCDB(adapter, DRV, "Restarting fw\n"); 3484 qlcnic_idc_debug_info(adapter, 0); 3485 val = QLC_SHARED_REG_RD32(adapter, 3486 QLCNIC_CRB_DRV_STATE); 3487 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3488 QLC_SHARED_REG_WR32(adapter, 3489 QLCNIC_CRB_DRV_STATE, val); 3490 } 3491 3492 qlcnic_api_unlock(adapter); 3493 3494 rtnl_lock(); 3495 if (qlcnic_check_fw_dump_state(adapter) && 3496 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3497 QLCDB(adapter, DRV, "Take FW dump\n"); 3498 qlcnic_dump_fw(adapter); 3499 adapter->flags |= QLCNIC_FW_HANG; 3500 } 3501 rtnl_unlock(); 3502 3503 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3504 if (!adapter->nic_ops->start_firmware(adapter)) { 3505 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3506 adapter->fw_wait_cnt = 0; 3507 return; 3508 } 3509 goto err_ret; 3510 } 3511 3512 qlcnic_api_unlock(adapter); 3513 3514 wait_npar: 3515 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3516 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3517 3518 switch (dev_state) { 3519 case QLCNIC_DEV_READY: 3520 if (!qlcnic_start_firmware(adapter)) { 3521 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3522 adapter->fw_wait_cnt = 0; 3523 return; 3524 } 3525 case QLCNIC_DEV_FAILED: 3526 break; 3527 default: 3528 qlcnic_schedule_work(adapter, 3529 qlcnic_fwinit_work, FW_POLL_DELAY); 3530 return; 3531 } 3532 3533 err_ret: 3534 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3535 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3536 netif_device_attach(adapter->netdev); 3537 qlcnic_clr_all_drv_state(adapter, 0); 3538 } 3539 3540 static void 3541 qlcnic_detach_work(struct work_struct *work) 3542 { 3543 struct qlcnic_adapter *adapter = container_of(work, 3544 struct qlcnic_adapter, fw_work.work); 3545 struct net_device *netdev = adapter->netdev; 3546 u32 status; 3547 3548 netif_device_detach(netdev); 3549 3550 /* Dont grab rtnl lock during Quiscent mode */ 3551 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3552 if (netif_running(netdev)) 3553 __qlcnic_down(adapter, netdev); 3554 } else 3555 qlcnic_down(adapter, netdev); 3556 3557 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3558 3559 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3560 dev_err(&adapter->pdev->dev, 3561 "Detaching the device: peg halt status1=0x%x\n", 3562 status); 3563 3564 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3565 dev_err(&adapter->pdev->dev, 3566 "On board active cooling fan failed. " 3567 "Device has been halted.\n"); 3568 dev_err(&adapter->pdev->dev, 3569 "Replace the adapter.\n"); 3570 } 3571 3572 goto err_ret; 3573 } 3574 3575 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3576 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3577 adapter->ahw->temp); 3578 goto err_ret; 3579 } 3580 3581 /* Dont ack if this instance is the reset owner */ 3582 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3583 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3584 dev_err(&adapter->pdev->dev, 3585 "Failed to set driver state," 3586 "detaching the device.\n"); 3587 goto err_ret; 3588 } 3589 } 3590 3591 adapter->fw_wait_cnt = 0; 3592 3593 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3594 3595 return; 3596 3597 err_ret: 3598 netif_device_attach(netdev); 3599 qlcnic_clr_all_drv_state(adapter, 1); 3600 } 3601 3602 /*Transit NPAR state to NON Operational */ 3603 static void 3604 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3605 { 3606 u32 state; 3607 3608 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3609 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3610 return; 3611 3612 if (qlcnic_api_lock(adapter)) 3613 return; 3614 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3615 QLCNIC_DEV_NPAR_NON_OPER); 3616 qlcnic_api_unlock(adapter); 3617 } 3618 3619 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3620 u32 key) 3621 { 3622 u32 state, xg_val = 0, gb_val = 0; 3623 3624 qlcnic_xg_set_xg0_mask(xg_val); 3625 qlcnic_xg_set_xg1_mask(xg_val); 3626 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3627 qlcnic_gb_set_gb0_mask(gb_val); 3628 qlcnic_gb_set_gb1_mask(gb_val); 3629 qlcnic_gb_set_gb2_mask(gb_val); 3630 qlcnic_gb_set_gb3_mask(gb_val); 3631 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3632 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3633 " on all ports\n"); 3634 adapter->need_fw_reset = 1; 3635 3636 if (qlcnic_api_lock(adapter)) 3637 return; 3638 3639 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3640 3641 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3642 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3643 __func__); 3644 qlcnic_api_unlock(adapter); 3645 3646 return; 3647 } 3648 3649 if (state == QLCNIC_DEV_READY) { 3650 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3651 QLCNIC_DEV_NEED_RESET); 3652 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3653 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3654 qlcnic_idc_debug_info(adapter, 0); 3655 } 3656 3657 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3658 QLCNIC_DEV_NPAR_NON_OPER); 3659 qlcnic_api_unlock(adapter); 3660 } 3661 3662 /* Transit to NPAR READY state from NPAR NOT READY state */ 3663 static void 3664 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3665 { 3666 if (qlcnic_api_lock(adapter)) 3667 return; 3668 3669 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3670 QLCNIC_DEV_NPAR_OPER); 3671 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3672 3673 qlcnic_api_unlock(adapter); 3674 } 3675 3676 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3677 work_func_t func, int delay) 3678 { 3679 if (test_bit(__QLCNIC_AER, &adapter->state)) 3680 return; 3681 3682 INIT_DELAYED_WORK(&adapter->fw_work, func); 3683 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3684 round_jiffies_relative(delay)); 3685 } 3686 3687 static void 3688 qlcnic_attach_work(struct work_struct *work) 3689 { 3690 struct qlcnic_adapter *adapter = container_of(work, 3691 struct qlcnic_adapter, fw_work.work); 3692 struct net_device *netdev = adapter->netdev; 3693 u32 npar_state; 3694 3695 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3696 npar_state = QLC_SHARED_REG_RD32(adapter, 3697 QLCNIC_CRB_DEV_NPAR_STATE); 3698 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3699 qlcnic_clr_all_drv_state(adapter, 0); 3700 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3701 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3702 FW_POLL_DELAY); 3703 else 3704 goto attach; 3705 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3706 return; 3707 } 3708 attach: 3709 qlcnic_dcb_get_info(adapter->dcb); 3710 3711 if (netif_running(netdev)) { 3712 if (qlcnic_up(adapter, netdev)) 3713 goto done; 3714 3715 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3716 } 3717 3718 done: 3719 netif_device_attach(netdev); 3720 adapter->fw_fail_cnt = 0; 3721 adapter->flags &= ~QLCNIC_FW_HANG; 3722 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3723 if (adapter->portnum == 0) 3724 qlcnic_set_drv_version(adapter); 3725 3726 if (!qlcnic_clr_drv_state(adapter)) 3727 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3728 FW_POLL_DELAY); 3729 } 3730 3731 static int 3732 qlcnic_check_health(struct qlcnic_adapter *adapter) 3733 { 3734 struct qlcnic_hardware_context *ahw = adapter->ahw; 3735 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3736 u32 state = 0, heartbeat; 3737 u32 peg_status; 3738 int err = 0; 3739 3740 if (qlcnic_check_temp(adapter)) 3741 goto detach; 3742 3743 if (adapter->need_fw_reset) 3744 qlcnic_dev_request_reset(adapter, 0); 3745 3746 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3747 if (state == QLCNIC_DEV_NEED_RESET) { 3748 qlcnic_set_npar_non_operational(adapter); 3749 adapter->need_fw_reset = 1; 3750 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3751 goto detach; 3752 3753 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3754 if (heartbeat != adapter->heartbeat) { 3755 adapter->heartbeat = heartbeat; 3756 adapter->fw_fail_cnt = 0; 3757 if (adapter->need_fw_reset) 3758 goto detach; 3759 3760 if (ahw->reset_context && qlcnic_auto_fw_reset) 3761 qlcnic_reset_hw_context(adapter); 3762 3763 return 0; 3764 } 3765 3766 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3767 return 0; 3768 3769 adapter->flags |= QLCNIC_FW_HANG; 3770 3771 qlcnic_dev_request_reset(adapter, 0); 3772 3773 if (qlcnic_auto_fw_reset) 3774 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3775 3776 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3777 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3778 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3779 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3780 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3781 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3782 "PEG_NET_4_PC: 0x%x\n", 3783 peg_status, 3784 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3785 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3786 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3787 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3788 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3789 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3790 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3791 dev_err(&adapter->pdev->dev, 3792 "Firmware aborted with error code 0x00006700. " 3793 "Device is being reset.\n"); 3794 detach: 3795 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3796 QLCNIC_DEV_NEED_RESET; 3797 3798 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3799 &adapter->state)) { 3800 3801 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3802 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3803 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3804 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3805 qlcnic_dump_fw(adapter); 3806 } 3807 3808 return 1; 3809 } 3810 3811 void qlcnic_fw_poll_work(struct work_struct *work) 3812 { 3813 struct qlcnic_adapter *adapter = container_of(work, 3814 struct qlcnic_adapter, fw_work.work); 3815 3816 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3817 goto reschedule; 3818 3819 3820 if (qlcnic_check_health(adapter)) 3821 return; 3822 3823 if (adapter->fhash.fnum) 3824 qlcnic_prune_lb_filters(adapter); 3825 3826 reschedule: 3827 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3828 } 3829 3830 static int qlcnic_is_first_func(struct pci_dev *pdev) 3831 { 3832 struct pci_dev *oth_pdev; 3833 int val = pdev->devfn; 3834 3835 while (val-- > 0) { 3836 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3837 (pdev->bus), pdev->bus->number, 3838 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3839 if (!oth_pdev) 3840 continue; 3841 3842 if (oth_pdev->current_state != PCI_D3cold) { 3843 pci_dev_put(oth_pdev); 3844 return 0; 3845 } 3846 pci_dev_put(oth_pdev); 3847 } 3848 return 1; 3849 } 3850 3851 static int qlcnic_attach_func(struct pci_dev *pdev) 3852 { 3853 int err, first_func; 3854 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3855 struct net_device *netdev = adapter->netdev; 3856 3857 pdev->error_state = pci_channel_io_normal; 3858 3859 err = pci_enable_device(pdev); 3860 if (err) 3861 return err; 3862 3863 pci_set_master(pdev); 3864 pci_restore_state(pdev); 3865 3866 first_func = qlcnic_is_first_func(pdev); 3867 3868 if (qlcnic_api_lock(adapter)) 3869 return -EINVAL; 3870 3871 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3872 adapter->need_fw_reset = 1; 3873 set_bit(__QLCNIC_START_FW, &adapter->state); 3874 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3875 QLCNIC_DEV_INITIALIZING); 3876 QLCDB(adapter, DRV, "Restarting fw\n"); 3877 } 3878 qlcnic_api_unlock(adapter); 3879 3880 err = qlcnic_start_firmware(adapter); 3881 if (err) 3882 return err; 3883 3884 qlcnic_clr_drv_state(adapter); 3885 kfree(adapter->msix_entries); 3886 adapter->msix_entries = NULL; 3887 err = qlcnic_setup_intr(adapter); 3888 3889 if (err) { 3890 kfree(adapter->msix_entries); 3891 netdev_err(netdev, "failed to setup interrupt\n"); 3892 return err; 3893 } 3894 3895 if (netif_running(netdev)) { 3896 err = qlcnic_attach(adapter); 3897 if (err) { 3898 qlcnic_clr_all_drv_state(adapter, 1); 3899 clear_bit(__QLCNIC_AER, &adapter->state); 3900 netif_device_attach(netdev); 3901 return err; 3902 } 3903 3904 err = qlcnic_up(adapter, netdev); 3905 if (err) 3906 goto done; 3907 3908 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3909 } 3910 done: 3911 netif_device_attach(netdev); 3912 return err; 3913 } 3914 3915 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3916 pci_channel_state_t state) 3917 { 3918 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3919 struct net_device *netdev = adapter->netdev; 3920 3921 if (state == pci_channel_io_perm_failure) 3922 return PCI_ERS_RESULT_DISCONNECT; 3923 3924 if (state == pci_channel_io_normal) 3925 return PCI_ERS_RESULT_RECOVERED; 3926 3927 set_bit(__QLCNIC_AER, &adapter->state); 3928 netif_device_detach(netdev); 3929 3930 cancel_delayed_work_sync(&adapter->fw_work); 3931 3932 if (netif_running(netdev)) 3933 qlcnic_down(adapter, netdev); 3934 3935 qlcnic_detach(adapter); 3936 qlcnic_teardown_intr(adapter); 3937 3938 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3939 3940 pci_save_state(pdev); 3941 pci_disable_device(pdev); 3942 3943 return PCI_ERS_RESULT_NEED_RESET; 3944 } 3945 3946 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3947 { 3948 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3949 PCI_ERS_RESULT_RECOVERED; 3950 } 3951 3952 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3953 { 3954 u32 state; 3955 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3956 3957 pci_cleanup_aer_uncorrect_error_status(pdev); 3958 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3959 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3960 &adapter->state)) 3961 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3962 FW_POLL_DELAY); 3963 } 3964 3965 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3966 pci_channel_state_t state) 3967 { 3968 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3969 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3970 3971 if (hw_ops->io_error_detected) { 3972 return hw_ops->io_error_detected(pdev, state); 3973 } else { 3974 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3975 return PCI_ERS_RESULT_DISCONNECT; 3976 } 3977 } 3978 3979 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3980 { 3981 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3982 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3983 3984 if (hw_ops->io_slot_reset) { 3985 return hw_ops->io_slot_reset(pdev); 3986 } else { 3987 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3988 return PCI_ERS_RESULT_DISCONNECT; 3989 } 3990 } 3991 3992 static void qlcnic_io_resume(struct pci_dev *pdev) 3993 { 3994 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3995 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3996 3997 if (hw_ops->io_resume) 3998 hw_ops->io_resume(pdev); 3999 else 4000 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4001 } 4002 4003 4004 static int 4005 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4006 { 4007 int err; 4008 4009 err = qlcnic_can_start_firmware(adapter); 4010 if (err) 4011 return err; 4012 4013 err = qlcnic_check_npar_opertional(adapter); 4014 if (err) 4015 return err; 4016 4017 err = qlcnic_initialize_nic(adapter); 4018 if (err) 4019 return err; 4020 4021 qlcnic_check_options(adapter); 4022 4023 err = qlcnic_set_eswitch_port_config(adapter); 4024 if (err) 4025 return err; 4026 4027 adapter->need_fw_reset = 0; 4028 4029 return err; 4030 } 4031 4032 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4033 int queue_type) 4034 { 4035 struct net_device *netdev = adapter->netdev; 4036 u8 max_hw_rings = 0; 4037 char buf[8]; 4038 int cur_rings; 4039 4040 if (queue_type == QLCNIC_RX_QUEUE) { 4041 max_hw_rings = adapter->max_sds_rings; 4042 cur_rings = adapter->drv_sds_rings; 4043 strcpy(buf, "SDS"); 4044 } else if (queue_type == QLCNIC_TX_QUEUE) { 4045 max_hw_rings = adapter->max_tx_rings; 4046 cur_rings = adapter->drv_tx_rings; 4047 strcpy(buf, "Tx"); 4048 } 4049 4050 if (!is_power_of_2(ring_cnt)) { 4051 netdev_err(netdev, "%s rings value should be a power of 2\n", 4052 buf); 4053 return -EINVAL; 4054 } 4055 4056 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4057 !qlcnic_check_multi_tx(adapter)) { 4058 netdev_err(netdev, "No Multi Tx queue support\n"); 4059 return -EINVAL; 4060 } 4061 4062 if (ring_cnt > num_online_cpus()) { 4063 netdev_err(netdev, 4064 "%s value[%u] should not be higher than, number of online CPUs\n", 4065 buf, num_online_cpus()); 4066 return -EINVAL; 4067 } 4068 4069 return 0; 4070 } 4071 4072 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4073 { 4074 struct net_device *netdev = adapter->netdev; 4075 u8 tx_rings, rx_rings; 4076 int err; 4077 4078 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4079 return -EBUSY; 4080 4081 tx_rings = adapter->drv_tss_rings; 4082 rx_rings = adapter->drv_rss_rings; 4083 4084 netif_device_detach(netdev); 4085 4086 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4087 if (err) 4088 goto done; 4089 4090 if (netif_running(netdev)) 4091 __qlcnic_down(adapter, netdev); 4092 4093 qlcnic_detach(adapter); 4094 4095 if (qlcnic_83xx_check(adapter)) { 4096 qlcnic_83xx_free_mbx_intr(adapter); 4097 qlcnic_83xx_enable_mbx_poll(adapter); 4098 } 4099 4100 qlcnic_teardown_intr(adapter); 4101 4102 err = qlcnic_setup_intr(adapter); 4103 if (err) { 4104 kfree(adapter->msix_entries); 4105 netdev_err(netdev, "failed to setup interrupt\n"); 4106 return err; 4107 } 4108 4109 /* Check if we need to update real_num_{tx|rx}_queues because 4110 * qlcnic_setup_intr() may change Tx/Rx rings size 4111 */ 4112 if ((tx_rings != adapter->drv_tx_rings) || 4113 (rx_rings != adapter->drv_sds_rings)) { 4114 err = qlcnic_set_real_num_queues(adapter, 4115 adapter->drv_tx_rings, 4116 adapter->drv_sds_rings); 4117 if (err) 4118 goto done; 4119 } 4120 4121 if (qlcnic_83xx_check(adapter)) { 4122 qlcnic_83xx_initialize_nic(adapter, 1); 4123 err = qlcnic_83xx_setup_mbx_intr(adapter); 4124 qlcnic_83xx_disable_mbx_poll(adapter); 4125 if (err) { 4126 dev_err(&adapter->pdev->dev, 4127 "failed to setup mbx interrupt\n"); 4128 goto done; 4129 } 4130 } 4131 4132 if (netif_running(netdev)) { 4133 err = qlcnic_attach(adapter); 4134 if (err) 4135 goto done; 4136 err = __qlcnic_up(adapter, netdev); 4137 if (err) 4138 goto done; 4139 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4140 } 4141 done: 4142 netif_device_attach(netdev); 4143 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4144 return err; 4145 } 4146 4147 #ifdef CONFIG_INET 4148 4149 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4150 4151 static void 4152 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4153 struct net_device *dev, unsigned long event) 4154 { 4155 struct in_device *indev; 4156 4157 indev = in_dev_get(dev); 4158 if (!indev) 4159 return; 4160 4161 for_ifa(indev) { 4162 switch (event) { 4163 case NETDEV_UP: 4164 qlcnic_config_ipaddr(adapter, 4165 ifa->ifa_address, QLCNIC_IP_UP); 4166 break; 4167 case NETDEV_DOWN: 4168 qlcnic_config_ipaddr(adapter, 4169 ifa->ifa_address, QLCNIC_IP_DOWN); 4170 break; 4171 default: 4172 break; 4173 } 4174 } endfor_ifa(indev); 4175 4176 in_dev_put(indev); 4177 } 4178 4179 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4180 { 4181 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4182 struct net_device *dev; 4183 u16 vid; 4184 4185 qlcnic_config_indev_addr(adapter, netdev, event); 4186 4187 rcu_read_lock(); 4188 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4189 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4190 if (!dev) 4191 continue; 4192 qlcnic_config_indev_addr(adapter, dev, event); 4193 } 4194 rcu_read_unlock(); 4195 } 4196 4197 static int qlcnic_netdev_event(struct notifier_block *this, 4198 unsigned long event, void *ptr) 4199 { 4200 struct qlcnic_adapter *adapter; 4201 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4202 4203 recheck: 4204 if (dev == NULL) 4205 goto done; 4206 4207 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4208 dev = vlan_dev_real_dev(dev); 4209 goto recheck; 4210 } 4211 4212 if (!is_qlcnic_netdev(dev)) 4213 goto done; 4214 4215 adapter = netdev_priv(dev); 4216 4217 if (!adapter) 4218 goto done; 4219 4220 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4221 goto done; 4222 4223 qlcnic_config_indev_addr(adapter, dev, event); 4224 done: 4225 return NOTIFY_DONE; 4226 } 4227 4228 static int 4229 qlcnic_inetaddr_event(struct notifier_block *this, 4230 unsigned long event, void *ptr) 4231 { 4232 struct qlcnic_adapter *adapter; 4233 struct net_device *dev; 4234 4235 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4236 4237 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4238 4239 recheck: 4240 if (dev == NULL) 4241 goto done; 4242 4243 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4244 dev = vlan_dev_real_dev(dev); 4245 goto recheck; 4246 } 4247 4248 if (!is_qlcnic_netdev(dev)) 4249 goto done; 4250 4251 adapter = netdev_priv(dev); 4252 4253 if (!adapter) 4254 goto done; 4255 4256 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4257 goto done; 4258 4259 switch (event) { 4260 case NETDEV_UP: 4261 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4262 4263 break; 4264 case NETDEV_DOWN: 4265 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4266 4267 break; 4268 default: 4269 break; 4270 } 4271 4272 done: 4273 return NOTIFY_DONE; 4274 } 4275 4276 static struct notifier_block qlcnic_netdev_cb = { 4277 .notifier_call = qlcnic_netdev_event, 4278 }; 4279 4280 static struct notifier_block qlcnic_inetaddr_cb = { 4281 .notifier_call = qlcnic_inetaddr_event, 4282 }; 4283 #else 4284 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4285 { } 4286 #endif 4287 static const struct pci_error_handlers qlcnic_err_handler = { 4288 .error_detected = qlcnic_io_error_detected, 4289 .slot_reset = qlcnic_io_slot_reset, 4290 .resume = qlcnic_io_resume, 4291 }; 4292 4293 static struct pci_driver qlcnic_driver = { 4294 .name = qlcnic_driver_name, 4295 .id_table = qlcnic_pci_tbl, 4296 .probe = qlcnic_probe, 4297 .remove = qlcnic_remove, 4298 #ifdef CONFIG_PM 4299 .suspend = qlcnic_suspend, 4300 .resume = qlcnic_resume, 4301 #endif 4302 .shutdown = qlcnic_shutdown, 4303 .err_handler = &qlcnic_err_handler, 4304 #ifdef CONFIG_QLCNIC_SRIOV 4305 .sriov_configure = qlcnic_pci_sriov_configure, 4306 #endif 4307 4308 }; 4309 4310 static int __init qlcnic_init_module(void) 4311 { 4312 int ret; 4313 4314 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4315 4316 #ifdef CONFIG_INET 4317 register_netdevice_notifier(&qlcnic_netdev_cb); 4318 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4319 #endif 4320 4321 ret = pci_register_driver(&qlcnic_driver); 4322 if (ret) { 4323 #ifdef CONFIG_INET 4324 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4325 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4326 #endif 4327 } 4328 4329 return ret; 4330 } 4331 4332 module_init(qlcnic_init_module); 4333 4334 static void __exit qlcnic_exit_module(void) 4335 { 4336 pci_unregister_driver(&qlcnic_driver); 4337 4338 #ifdef CONFIG_INET 4339 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4340 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4341 #endif 4342 } 4343 4344 module_exit(qlcnic_exit_module); 4345