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, 380 const unsigned char *addr, u16 vid) 381 { 382 struct qlcnic_adapter *adapter = netdev_priv(netdev); 383 int err = -EOPNOTSUPP; 384 385 if (!adapter->fdb_mac_learn) 386 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 387 388 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 389 qlcnic_sriov_check(adapter)) { 390 if (is_unicast_ether_addr(addr)) { 391 err = dev_uc_del(netdev, addr); 392 if (!err) 393 err = qlcnic_nic_del_mac(adapter, addr); 394 } else if (is_multicast_ether_addr(addr)) { 395 err = dev_mc_del(netdev, addr); 396 } else { 397 err = -EINVAL; 398 } 399 } 400 return err; 401 } 402 403 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 404 struct net_device *netdev, 405 const unsigned char *addr, u16 vid, u16 flags) 406 { 407 struct qlcnic_adapter *adapter = netdev_priv(netdev); 408 int err = 0; 409 410 if (!adapter->fdb_mac_learn) 411 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 412 413 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 414 !qlcnic_sriov_check(adapter)) { 415 pr_info("%s: FDB e-switch is not enabled\n", __func__); 416 return -EOPNOTSUPP; 417 } 418 419 if (ether_addr_equal(addr, adapter->mac_addr)) 420 return err; 421 422 if (is_unicast_ether_addr(addr)) { 423 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 424 err = dev_uc_add_excl(netdev, addr); 425 else 426 err = -ENOMEM; 427 } else if (is_multicast_ether_addr(addr)) { 428 err = dev_mc_add_excl(netdev, addr); 429 } else { 430 err = -EINVAL; 431 } 432 433 return err; 434 } 435 436 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 437 struct net_device *netdev, 438 struct net_device *filter_dev, int idx) 439 { 440 struct qlcnic_adapter *adapter = netdev_priv(netdev); 441 442 if (!adapter->fdb_mac_learn) 443 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 444 445 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 446 qlcnic_sriov_check(adapter)) 447 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 448 449 return idx; 450 } 451 452 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 453 { 454 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 455 usleep_range(10000, 11000); 456 457 if (!adapter->fw_work.work.func) 458 return; 459 460 cancel_delayed_work_sync(&adapter->fw_work); 461 } 462 463 static int qlcnic_get_phys_port_id(struct net_device *netdev, 464 struct netdev_phys_item_id *ppid) 465 { 466 struct qlcnic_adapter *adapter = netdev_priv(netdev); 467 struct qlcnic_hardware_context *ahw = adapter->ahw; 468 469 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 470 return -EOPNOTSUPP; 471 472 ppid->id_len = sizeof(ahw->phys_port_id); 473 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 474 475 return 0; 476 } 477 478 #ifdef CONFIG_QLCNIC_VXLAN 479 static void qlcnic_add_vxlan_port(struct net_device *netdev, 480 sa_family_t sa_family, __be16 port) 481 { 482 struct qlcnic_adapter *adapter = netdev_priv(netdev); 483 struct qlcnic_hardware_context *ahw = adapter->ahw; 484 485 /* Adapter supports only one VXLAN port. Use very first port 486 * for enabling offload 487 */ 488 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port) 489 return; 490 491 ahw->vxlan_port = ntohs(port); 492 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 493 } 494 495 static void qlcnic_del_vxlan_port(struct net_device *netdev, 496 sa_family_t sa_family, __be16 port) 497 { 498 struct qlcnic_adapter *adapter = netdev_priv(netdev); 499 struct qlcnic_hardware_context *ahw = adapter->ahw; 500 501 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port || 502 (ahw->vxlan_port != ntohs(port))) 503 return; 504 505 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 506 } 507 508 static bool qlcnic_gso_check(struct sk_buff *skb, struct net_device *dev) 509 { 510 return vxlan_gso_check(skb); 511 } 512 #endif 513 514 static const struct net_device_ops qlcnic_netdev_ops = { 515 .ndo_open = qlcnic_open, 516 .ndo_stop = qlcnic_close, 517 .ndo_start_xmit = qlcnic_xmit_frame, 518 .ndo_get_stats = qlcnic_get_stats, 519 .ndo_validate_addr = eth_validate_addr, 520 .ndo_set_rx_mode = qlcnic_set_multi, 521 .ndo_set_mac_address = qlcnic_set_mac, 522 .ndo_change_mtu = qlcnic_change_mtu, 523 .ndo_fix_features = qlcnic_fix_features, 524 .ndo_set_features = qlcnic_set_features, 525 .ndo_tx_timeout = qlcnic_tx_timeout, 526 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 527 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 528 .ndo_fdb_add = qlcnic_fdb_add, 529 .ndo_fdb_del = qlcnic_fdb_del, 530 .ndo_fdb_dump = qlcnic_fdb_dump, 531 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 532 #ifdef CONFIG_QLCNIC_VXLAN 533 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 534 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 535 .ndo_gso_check = qlcnic_gso_check, 536 #endif 537 #ifdef CONFIG_NET_POLL_CONTROLLER 538 .ndo_poll_controller = qlcnic_poll_controller, 539 #endif 540 #ifdef CONFIG_QLCNIC_SRIOV 541 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 542 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 543 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 544 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 545 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 546 #endif 547 }; 548 549 static const struct net_device_ops qlcnic_netdev_failed_ops = { 550 .ndo_open = qlcnic_open, 551 }; 552 553 static struct qlcnic_nic_template qlcnic_ops = { 554 .config_bridged_mode = qlcnic_config_bridged_mode, 555 .config_led = qlcnic_82xx_config_led, 556 .start_firmware = qlcnic_82xx_start_firmware, 557 .request_reset = qlcnic_82xx_dev_request_reset, 558 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 559 .napi_add = qlcnic_82xx_napi_add, 560 .napi_del = qlcnic_82xx_napi_del, 561 .config_ipaddr = qlcnic_82xx_config_ipaddr, 562 .shutdown = qlcnic_82xx_shutdown, 563 .resume = qlcnic_82xx_resume, 564 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 565 }; 566 567 struct qlcnic_nic_template qlcnic_vf_ops = { 568 .config_bridged_mode = qlcnicvf_config_bridged_mode, 569 .config_led = qlcnicvf_config_led, 570 .start_firmware = qlcnicvf_start_firmware 571 }; 572 573 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 574 .read_crb = qlcnic_82xx_read_crb, 575 .write_crb = qlcnic_82xx_write_crb, 576 .read_reg = qlcnic_82xx_hw_read_wx_2M, 577 .write_reg = qlcnic_82xx_hw_write_wx_2M, 578 .get_mac_address = qlcnic_82xx_get_mac_address, 579 .setup_intr = qlcnic_82xx_setup_intr, 580 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 581 .mbx_cmd = qlcnic_82xx_issue_cmd, 582 .get_func_no = qlcnic_82xx_get_func_no, 583 .api_lock = qlcnic_82xx_api_lock, 584 .api_unlock = qlcnic_82xx_api_unlock, 585 .add_sysfs = qlcnic_82xx_add_sysfs, 586 .remove_sysfs = qlcnic_82xx_remove_sysfs, 587 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 588 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 589 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 590 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 591 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 592 .setup_link_event = qlcnic_82xx_linkevent_request, 593 .get_nic_info = qlcnic_82xx_get_nic_info, 594 .get_pci_info = qlcnic_82xx_get_pci_info, 595 .set_nic_info = qlcnic_82xx_set_nic_info, 596 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 597 .napi_enable = qlcnic_82xx_napi_enable, 598 .napi_disable = qlcnic_82xx_napi_disable, 599 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 600 .config_rss = qlcnic_82xx_config_rss, 601 .config_hw_lro = qlcnic_82xx_config_hw_lro, 602 .config_loopback = qlcnic_82xx_set_lb_mode, 603 .clear_loopback = qlcnic_82xx_clear_lb_mode, 604 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 605 .change_l2_filter = qlcnic_82xx_change_filter, 606 .get_board_info = qlcnic_82xx_get_board_info, 607 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 608 .free_mac_list = qlcnic_82xx_free_mac_list, 609 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 610 .io_error_detected = qlcnic_82xx_io_error_detected, 611 .io_slot_reset = qlcnic_82xx_io_slot_reset, 612 .io_resume = qlcnic_82xx_io_resume, 613 .get_beacon_state = qlcnic_82xx_get_beacon_state, 614 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 615 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 616 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 617 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 618 .get_saved_state = qlcnic_82xx_get_saved_state, 619 .set_saved_state = qlcnic_82xx_set_saved_state, 620 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 621 .get_cap_size = qlcnic_82xx_get_cap_size, 622 .set_sys_info = qlcnic_82xx_set_sys_info, 623 .store_cap_mask = qlcnic_82xx_store_cap_mask, 624 }; 625 626 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 627 { 628 struct qlcnic_hardware_context *ahw = adapter->ahw; 629 630 if (qlcnic_82xx_check(adapter) && 631 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 632 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 633 return 0; 634 } else { 635 return 1; 636 } 637 } 638 639 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 640 int queue_type) 641 { 642 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 643 644 if (queue_type == QLCNIC_RX_QUEUE) 645 max_rings = adapter->max_sds_rings; 646 else if (queue_type == QLCNIC_TX_QUEUE) 647 max_rings = adapter->max_tx_rings; 648 649 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 650 max_rings)); 651 652 if (ring_cnt > num_rings) 653 return num_rings; 654 else 655 return ring_cnt; 656 } 657 658 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 659 { 660 /* 83xx adapter does not have max_tx_rings intialized in probe */ 661 if (adapter->max_tx_rings) 662 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 663 QLCNIC_TX_QUEUE); 664 else 665 adapter->drv_tx_rings = tx_cnt; 666 } 667 668 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 669 { 670 /* 83xx adapter does not have max_sds_rings intialized in probe */ 671 if (adapter->max_sds_rings) 672 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 673 QLCNIC_RX_QUEUE); 674 else 675 adapter->drv_sds_rings = rx_cnt; 676 } 677 678 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 679 { 680 struct pci_dev *pdev = adapter->pdev; 681 int num_msix = 0, err = 0, vector; 682 683 adapter->flags &= ~QLCNIC_TSS_RSS; 684 685 if (adapter->drv_tss_rings > 0) 686 num_msix += adapter->drv_tss_rings; 687 else 688 num_msix += adapter->drv_tx_rings; 689 690 if (adapter->drv_rss_rings > 0) 691 num_msix += adapter->drv_rss_rings; 692 else 693 num_msix += adapter->drv_sds_rings; 694 695 if (qlcnic_83xx_check(adapter)) 696 num_msix += 1; 697 698 if (!adapter->msix_entries) { 699 adapter->msix_entries = kcalloc(num_msix, 700 sizeof(struct msix_entry), 701 GFP_KERNEL); 702 if (!adapter->msix_entries) 703 return -ENOMEM; 704 } 705 706 for (vector = 0; vector < num_msix; vector++) 707 adapter->msix_entries[vector].entry = vector; 708 709 restore: 710 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 711 if (err == -ENOSPC) { 712 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 713 return err; 714 715 netdev_info(adapter->netdev, 716 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 717 num_msix, err); 718 719 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 720 721 /* Set rings to 0 so we can restore original TSS/RSS count */ 722 adapter->drv_tss_rings = 0; 723 adapter->drv_rss_rings = 0; 724 725 if (qlcnic_83xx_check(adapter)) 726 num_msix += 1; 727 728 netdev_info(adapter->netdev, 729 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 730 adapter->drv_tx_rings, adapter->drv_sds_rings, 731 num_msix); 732 733 goto restore; 734 } else if (err < 0) { 735 return err; 736 } 737 738 adapter->ahw->num_msix = num_msix; 739 if (adapter->drv_tss_rings > 0) 740 adapter->drv_tx_rings = adapter->drv_tss_rings; 741 742 if (adapter->drv_rss_rings > 0) 743 adapter->drv_sds_rings = adapter->drv_rss_rings; 744 745 return 0; 746 } 747 748 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 749 { 750 struct pci_dev *pdev = adapter->pdev; 751 int err, vector; 752 753 if (!adapter->msix_entries) { 754 adapter->msix_entries = kcalloc(num_msix, 755 sizeof(struct msix_entry), 756 GFP_KERNEL); 757 if (!adapter->msix_entries) 758 return -ENOMEM; 759 } 760 761 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 762 763 if (adapter->ahw->msix_supported) { 764 enable_msix: 765 for (vector = 0; vector < num_msix; vector++) 766 adapter->msix_entries[vector].entry = vector; 767 768 err = pci_enable_msix_range(pdev, 769 adapter->msix_entries, 1, num_msix); 770 771 if (err == num_msix) { 772 adapter->flags |= QLCNIC_MSIX_ENABLED; 773 adapter->ahw->num_msix = num_msix; 774 dev_info(&pdev->dev, "using msi-x interrupts\n"); 775 return 0; 776 } else if (err > 0) { 777 pci_disable_msix(pdev); 778 779 dev_info(&pdev->dev, 780 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 781 num_msix, err); 782 783 if (qlcnic_82xx_check(adapter)) { 784 num_msix = rounddown_pow_of_two(err); 785 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 786 return -ENOSPC; 787 } else { 788 num_msix = rounddown_pow_of_two(err - 1); 789 num_msix += 1; 790 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 791 return -ENOSPC; 792 } 793 794 if (qlcnic_82xx_check(adapter) && 795 !qlcnic_check_multi_tx(adapter)) { 796 adapter->drv_sds_rings = num_msix; 797 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 798 } else { 799 /* Distribute vectors equally */ 800 adapter->drv_tx_rings = num_msix / 2; 801 adapter->drv_sds_rings = adapter->drv_tx_rings; 802 } 803 804 if (num_msix) { 805 dev_info(&pdev->dev, 806 "Trying to allocate %d MSI-X interrupt vectors\n", 807 num_msix); 808 goto enable_msix; 809 } 810 } else { 811 dev_info(&pdev->dev, 812 "Unable to allocate %d MSI-X vectors, err=%d\n", 813 num_msix, err); 814 return err; 815 } 816 } 817 818 return -EIO; 819 } 820 821 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 822 { 823 int num_msix; 824 825 num_msix = adapter->drv_sds_rings; 826 827 if (qlcnic_check_multi_tx(adapter)) 828 num_msix += adapter->drv_tx_rings; 829 else 830 num_msix += QLCNIC_SINGLE_RING; 831 832 return num_msix; 833 } 834 835 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 836 { 837 int err = 0; 838 u32 offset, mask_reg; 839 const struct qlcnic_legacy_intr_set *legacy_intrp; 840 struct qlcnic_hardware_context *ahw = adapter->ahw; 841 struct pci_dev *pdev = adapter->pdev; 842 843 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 844 adapter->flags |= QLCNIC_MSI_ENABLED; 845 offset = msi_tgt_status[adapter->ahw->pci_func]; 846 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 847 offset); 848 dev_info(&pdev->dev, "using msi interrupts\n"); 849 adapter->msix_entries[0].vector = pdev->irq; 850 return err; 851 } 852 853 if (qlcnic_use_msi || qlcnic_use_msi_x) 854 return -EOPNOTSUPP; 855 856 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 857 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 858 offset = legacy_intrp->tgt_status_reg; 859 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 860 mask_reg = legacy_intrp->tgt_mask_reg; 861 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 862 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 863 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 864 dev_info(&pdev->dev, "using legacy interrupts\n"); 865 adapter->msix_entries[0].vector = pdev->irq; 866 return err; 867 } 868 869 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 870 { 871 int num_msix, err = 0; 872 873 if (adapter->flags & QLCNIC_TSS_RSS) { 874 err = qlcnic_setup_tss_rss_intr(adapter); 875 if (err < 0) 876 return err; 877 num_msix = adapter->ahw->num_msix; 878 } else { 879 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 880 881 err = qlcnic_enable_msix(adapter, num_msix); 882 if (err == -ENOMEM) 883 return err; 884 885 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 886 qlcnic_disable_multi_tx(adapter); 887 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 888 889 err = qlcnic_enable_msi_legacy(adapter); 890 if (err) 891 return err; 892 } 893 } 894 895 return 0; 896 } 897 898 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 899 { 900 struct qlcnic_hardware_context *ahw = adapter->ahw; 901 int err, i; 902 903 if (qlcnic_check_multi_tx(adapter) && 904 !ahw->diag_test && 905 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 906 ahw->intr_tbl = vzalloc(ahw->num_msix * 907 sizeof(struct qlcnic_intrpt_config)); 908 if (!ahw->intr_tbl) 909 return -ENOMEM; 910 911 for (i = 0; i < ahw->num_msix; i++) { 912 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 913 ahw->intr_tbl[i].id = i; 914 ahw->intr_tbl[i].src = 0; 915 } 916 917 err = qlcnic_82xx_config_intrpt(adapter, 1); 918 if (err) 919 dev_err(&adapter->pdev->dev, 920 "Failed to configure Interrupt for %d vector\n", 921 ahw->num_msix); 922 return err; 923 } 924 925 return 0; 926 } 927 928 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 929 { 930 if (adapter->flags & QLCNIC_MSIX_ENABLED) 931 pci_disable_msix(adapter->pdev); 932 if (adapter->flags & QLCNIC_MSI_ENABLED) 933 pci_disable_msi(adapter->pdev); 934 935 kfree(adapter->msix_entries); 936 adapter->msix_entries = NULL; 937 938 if (adapter->ahw->intr_tbl) { 939 vfree(adapter->ahw->intr_tbl); 940 adapter->ahw->intr_tbl = NULL; 941 } 942 } 943 944 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 945 { 946 if (ahw->pci_base0 != NULL) 947 iounmap(ahw->pci_base0); 948 } 949 950 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 951 { 952 struct qlcnic_hardware_context *ahw = adapter->ahw; 953 struct qlcnic_pci_info *pci_info; 954 int ret; 955 956 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 957 switch (ahw->port_type) { 958 case QLCNIC_GBE: 959 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 960 break; 961 case QLCNIC_XGBE: 962 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 963 break; 964 } 965 return 0; 966 } 967 968 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 969 return 0; 970 971 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 972 if (!pci_info) 973 return -ENOMEM; 974 975 ret = qlcnic_get_pci_info(adapter, pci_info); 976 kfree(pci_info); 977 return ret; 978 } 979 980 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 981 { 982 bool ret = false; 983 984 if (qlcnic_84xx_check(adapter)) { 985 ret = true; 986 } else if (qlcnic_83xx_check(adapter)) { 987 if (adapter->ahw->extra_capability[0] & 988 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 989 ret = true; 990 else 991 ret = false; 992 } 993 994 return ret; 995 } 996 997 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 998 { 999 struct qlcnic_hardware_context *ahw = adapter->ahw; 1000 struct qlcnic_pci_info *pci_info; 1001 int i, id = 0, ret = 0, j = 0; 1002 u16 act_pci_func; 1003 u8 pfn; 1004 1005 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1006 if (!pci_info) 1007 return -ENOMEM; 1008 1009 ret = qlcnic_get_pci_info(adapter, pci_info); 1010 if (ret) 1011 goto err_pci_info; 1012 1013 act_pci_func = ahw->total_nic_func; 1014 1015 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1016 act_pci_func, GFP_KERNEL); 1017 if (!adapter->npars) { 1018 ret = -ENOMEM; 1019 goto err_pci_info; 1020 } 1021 1022 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1023 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1024 if (!adapter->eswitch) { 1025 ret = -ENOMEM; 1026 goto err_npars; 1027 } 1028 1029 for (i = 0; i < ahw->max_vnic_func; i++) { 1030 pfn = pci_info[i].id; 1031 1032 if (pfn >= ahw->max_vnic_func) { 1033 ret = QL_STATUS_INVALID_PARAM; 1034 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1035 __func__, pfn, ahw->max_vnic_func); 1036 goto err_eswitch; 1037 } 1038 1039 if (!pci_info[i].active || 1040 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1041 continue; 1042 1043 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1044 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1045 &id)) 1046 adapter->npars[j].eswitch_status = true; 1047 else 1048 continue; 1049 } else { 1050 adapter->npars[j].eswitch_status = true; 1051 } 1052 1053 adapter->npars[j].pci_func = pfn; 1054 adapter->npars[j].active = (u8)pci_info[i].active; 1055 adapter->npars[j].type = (u8)pci_info[i].type; 1056 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1057 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1058 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1059 1060 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1061 j++; 1062 } 1063 1064 /* Update eSwitch status for adapters without per port eSwitch 1065 * configuration capability 1066 */ 1067 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1068 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1069 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1070 } 1071 1072 kfree(pci_info); 1073 return 0; 1074 1075 err_eswitch: 1076 kfree(adapter->eswitch); 1077 adapter->eswitch = NULL; 1078 err_npars: 1079 kfree(adapter->npars); 1080 adapter->npars = NULL; 1081 err_pci_info: 1082 kfree(pci_info); 1083 1084 return ret; 1085 } 1086 1087 static int 1088 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1089 { 1090 u8 id; 1091 int ret; 1092 u32 data = QLCNIC_MGMT_FUNC; 1093 struct qlcnic_hardware_context *ahw = adapter->ahw; 1094 1095 ret = qlcnic_api_lock(adapter); 1096 if (ret) 1097 goto err_lock; 1098 1099 id = ahw->pci_func; 1100 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1101 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1102 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1103 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1104 qlcnic_api_unlock(adapter); 1105 err_lock: 1106 return ret; 1107 } 1108 1109 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1110 const struct pci_device_id *ent) 1111 { 1112 u32 op_mode, priv_level; 1113 1114 /* Determine FW API version */ 1115 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1116 QLCNIC_FW_API); 1117 1118 /* Find PCI function number */ 1119 qlcnic_get_func_no(adapter); 1120 1121 /* Determine function privilege level */ 1122 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1123 if (op_mode == QLC_DEV_DRV_DEFAULT) 1124 priv_level = QLCNIC_MGMT_FUNC; 1125 else 1126 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1127 1128 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1129 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1130 dev_info(&adapter->pdev->dev, 1131 "HAL Version: %d Non Privileged function\n", 1132 adapter->ahw->fw_hal_version); 1133 adapter->nic_ops = &qlcnic_vf_ops; 1134 } else 1135 adapter->nic_ops = &qlcnic_ops; 1136 } 1137 1138 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1139 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1140 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1141 { 1142 switch (dev_id) { 1143 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1144 *bar = QLCNIC_82XX_BAR0_LENGTH; 1145 break; 1146 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1147 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1148 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1149 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1150 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1151 *bar = QLCNIC_83XX_BAR0_LENGTH; 1152 break; 1153 default: 1154 *bar = 0; 1155 } 1156 } 1157 1158 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1159 struct qlcnic_hardware_context *ahw) 1160 { 1161 u32 offset; 1162 void __iomem *mem_ptr0 = NULL; 1163 unsigned long mem_len, pci_len0 = 0, bar0_len; 1164 1165 /* remap phys address */ 1166 mem_len = pci_resource_len(pdev, 0); 1167 1168 qlcnic_get_bar_length(pdev->device, &bar0_len); 1169 if (mem_len >= bar0_len) { 1170 1171 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1172 if (mem_ptr0 == NULL) { 1173 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1174 return -EIO; 1175 } 1176 pci_len0 = mem_len; 1177 } else { 1178 return -EIO; 1179 } 1180 1181 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1182 1183 ahw->pci_base0 = mem_ptr0; 1184 ahw->pci_len0 = pci_len0; 1185 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1186 qlcnic_get_ioaddr(ahw, offset); 1187 1188 return 0; 1189 } 1190 1191 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1192 int index) 1193 { 1194 struct pci_dev *pdev = adapter->pdev; 1195 unsigned short subsystem_vendor; 1196 bool ret = true; 1197 1198 subsystem_vendor = pdev->subsystem_vendor; 1199 1200 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1201 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1202 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1203 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1204 ret = true; 1205 else 1206 ret = false; 1207 } 1208 1209 return ret; 1210 } 1211 1212 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1213 { 1214 struct pci_dev *pdev = adapter->pdev; 1215 int i, found = 0; 1216 1217 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1218 if (qlcnic_boards[i].vendor == pdev->vendor && 1219 qlcnic_boards[i].device == pdev->device && 1220 qlcnic_validate_subsystem_id(adapter, i)) { 1221 found = 1; 1222 break; 1223 } 1224 } 1225 1226 if (!found) 1227 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1228 else 1229 sprintf(name, "%pM: %s" , adapter->mac_addr, 1230 qlcnic_boards[i].short_name); 1231 } 1232 1233 static void 1234 qlcnic_check_options(struct qlcnic_adapter *adapter) 1235 { 1236 int err; 1237 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1238 struct pci_dev *pdev = adapter->pdev; 1239 struct qlcnic_hardware_context *ahw = adapter->ahw; 1240 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1241 1242 prev_fw_version = adapter->fw_version; 1243 1244 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1245 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1246 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1247 1248 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1249 1250 err = qlcnic_get_board_info(adapter); 1251 if (err) { 1252 dev_err(&pdev->dev, "Error getting board config info.\n"); 1253 return; 1254 } 1255 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1256 if (fw_dump->tmpl_hdr == NULL || 1257 adapter->fw_version > prev_fw_version) { 1258 if (fw_dump->tmpl_hdr) 1259 vfree(fw_dump->tmpl_hdr); 1260 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1261 dev_info(&pdev->dev, 1262 "Supports FW dump capability\n"); 1263 } 1264 } 1265 1266 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1267 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1268 1269 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1270 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1271 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1272 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1273 } else { 1274 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1275 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1276 } 1277 1278 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1279 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1280 1281 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1283 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1284 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1286 } 1287 1288 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1289 1290 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1291 1292 adapter->max_rds_rings = MAX_RDS_RINGS; 1293 } 1294 1295 static int 1296 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1297 { 1298 struct qlcnic_info nic_info; 1299 int err = 0; 1300 1301 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1302 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1303 if (err) 1304 return err; 1305 1306 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1307 adapter->ahw->switch_mode = nic_info.switch_mode; 1308 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1309 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1310 adapter->ahw->capabilities = nic_info.capabilities; 1311 1312 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1313 u32 temp; 1314 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1315 if (err == -EIO) 1316 return err; 1317 adapter->ahw->extra_capability[0] = temp; 1318 } else { 1319 adapter->ahw->extra_capability[0] = 0; 1320 } 1321 1322 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1323 adapter->ahw->max_mtu = nic_info.max_mtu; 1324 1325 if (adapter->ahw->capabilities & BIT_6) { 1326 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1327 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1328 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1329 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1330 1331 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1332 } else { 1333 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1334 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1335 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1336 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1337 } 1338 1339 return err; 1340 } 1341 1342 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1343 struct qlcnic_esw_func_cfg *esw_cfg) 1344 { 1345 if (esw_cfg->discard_tagged) 1346 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1347 else 1348 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1349 1350 if (esw_cfg->vlan_id) { 1351 adapter->rx_pvid = esw_cfg->vlan_id; 1352 adapter->tx_pvid = esw_cfg->vlan_id; 1353 } else { 1354 adapter->rx_pvid = 0; 1355 adapter->tx_pvid = 0; 1356 } 1357 } 1358 1359 static int 1360 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1361 { 1362 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1363 int err; 1364 1365 if (qlcnic_sriov_vf_check(adapter)) { 1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1367 if (err) { 1368 netdev_err(netdev, 1369 "Cannot add VLAN filter for VLAN id %d, err=%d", 1370 vid, err); 1371 return err; 1372 } 1373 } 1374 1375 set_bit(vid, adapter->vlans); 1376 return 0; 1377 } 1378 1379 static int 1380 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1381 { 1382 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1383 int err; 1384 1385 if (qlcnic_sriov_vf_check(adapter)) { 1386 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1387 if (err) { 1388 netdev_err(netdev, 1389 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1390 vid, err); 1391 return err; 1392 } 1393 } 1394 1395 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1396 clear_bit(vid, adapter->vlans); 1397 return 0; 1398 } 1399 1400 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1401 struct qlcnic_esw_func_cfg *esw_cfg) 1402 { 1403 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1404 QLCNIC_PROMISC_DISABLED); 1405 1406 if (esw_cfg->mac_anti_spoof) 1407 adapter->flags |= QLCNIC_MACSPOOF; 1408 1409 if (!esw_cfg->mac_override) 1410 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1411 1412 if (!esw_cfg->promisc_mode) 1413 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1414 } 1415 1416 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1417 { 1418 struct qlcnic_esw_func_cfg esw_cfg; 1419 1420 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1421 return 0; 1422 1423 esw_cfg.pci_func = adapter->ahw->pci_func; 1424 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1425 return -EIO; 1426 qlcnic_set_vlan_config(adapter, &esw_cfg); 1427 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1428 qlcnic_set_netdev_features(adapter, &esw_cfg); 1429 1430 return 0; 1431 } 1432 1433 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1434 struct qlcnic_esw_func_cfg *esw_cfg) 1435 { 1436 struct net_device *netdev = adapter->netdev; 1437 1438 if (qlcnic_83xx_check(adapter)) 1439 return; 1440 1441 adapter->offload_flags = esw_cfg->offload_flags; 1442 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1443 netdev_update_features(netdev); 1444 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1445 } 1446 1447 static int 1448 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1449 { 1450 u32 op_mode, priv_level; 1451 int err = 0; 1452 1453 err = qlcnic_initialize_nic(adapter); 1454 if (err) 1455 return err; 1456 1457 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1458 return 0; 1459 1460 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1461 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1462 1463 if (op_mode == QLC_DEV_DRV_DEFAULT) 1464 priv_level = QLCNIC_MGMT_FUNC; 1465 else 1466 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1467 1468 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1469 if (priv_level == QLCNIC_MGMT_FUNC) { 1470 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1471 err = qlcnic_init_pci_info(adapter); 1472 if (err) 1473 return err; 1474 /* Set privilege level for other functions */ 1475 qlcnic_set_function_modes(adapter); 1476 dev_info(&adapter->pdev->dev, 1477 "HAL Version: %d, Management function\n", 1478 adapter->ahw->fw_hal_version); 1479 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1480 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1481 dev_info(&adapter->pdev->dev, 1482 "HAL Version: %d, Privileged function\n", 1483 adapter->ahw->fw_hal_version); 1484 } 1485 } else { 1486 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1487 } 1488 1489 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1490 1491 return err; 1492 } 1493 1494 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1495 { 1496 struct qlcnic_esw_func_cfg esw_cfg; 1497 struct qlcnic_npar_info *npar; 1498 u8 i; 1499 1500 if (adapter->need_fw_reset) 1501 return 0; 1502 1503 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1504 if (!adapter->npars[i].eswitch_status) 1505 continue; 1506 1507 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1508 esw_cfg.pci_func = adapter->npars[i].pci_func; 1509 esw_cfg.mac_override = BIT_0; 1510 esw_cfg.promisc_mode = BIT_0; 1511 if (qlcnic_82xx_check(adapter)) { 1512 esw_cfg.offload_flags = BIT_0; 1513 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1514 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1515 } 1516 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1517 return -EIO; 1518 npar = &adapter->npars[i]; 1519 npar->pvid = esw_cfg.vlan_id; 1520 npar->mac_override = esw_cfg.mac_override; 1521 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1522 npar->discard_tagged = esw_cfg.discard_tagged; 1523 npar->promisc_mode = esw_cfg.promisc_mode; 1524 npar->offload_flags = esw_cfg.offload_flags; 1525 } 1526 1527 return 0; 1528 } 1529 1530 1531 static int 1532 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1533 struct qlcnic_npar_info *npar, int pci_func) 1534 { 1535 struct qlcnic_esw_func_cfg esw_cfg; 1536 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1537 esw_cfg.pci_func = pci_func; 1538 esw_cfg.vlan_id = npar->pvid; 1539 esw_cfg.mac_override = npar->mac_override; 1540 esw_cfg.discard_tagged = npar->discard_tagged; 1541 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1542 esw_cfg.offload_flags = npar->offload_flags; 1543 esw_cfg.promisc_mode = npar->promisc_mode; 1544 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1545 return -EIO; 1546 1547 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1548 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1549 return -EIO; 1550 1551 return 0; 1552 } 1553 1554 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1555 { 1556 int i, err; 1557 struct qlcnic_npar_info *npar; 1558 struct qlcnic_info nic_info; 1559 u8 pci_func; 1560 1561 if (qlcnic_82xx_check(adapter)) 1562 if (!adapter->need_fw_reset) 1563 return 0; 1564 1565 /* Set the NPAR config data after FW reset */ 1566 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1567 npar = &adapter->npars[i]; 1568 pci_func = npar->pci_func; 1569 if (!adapter->npars[i].eswitch_status) 1570 continue; 1571 1572 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1573 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1574 if (err) 1575 return err; 1576 nic_info.min_tx_bw = npar->min_bw; 1577 nic_info.max_tx_bw = npar->max_bw; 1578 err = qlcnic_set_nic_info(adapter, &nic_info); 1579 if (err) 1580 return err; 1581 1582 if (npar->enable_pm) { 1583 err = qlcnic_config_port_mirroring(adapter, 1584 npar->dest_npar, 1, 1585 pci_func); 1586 if (err) 1587 return err; 1588 } 1589 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1590 if (err) 1591 return err; 1592 } 1593 return 0; 1594 } 1595 1596 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1597 { 1598 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1599 u32 npar_state; 1600 1601 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1602 return 0; 1603 1604 npar_state = QLC_SHARED_REG_RD32(adapter, 1605 QLCNIC_CRB_DEV_NPAR_STATE); 1606 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1607 msleep(1000); 1608 npar_state = QLC_SHARED_REG_RD32(adapter, 1609 QLCNIC_CRB_DEV_NPAR_STATE); 1610 } 1611 if (!npar_opt_timeo) { 1612 dev_err(&adapter->pdev->dev, 1613 "Waiting for NPAR state to operational timeout\n"); 1614 return -EIO; 1615 } 1616 return 0; 1617 } 1618 1619 static int 1620 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1621 { 1622 int err; 1623 1624 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1625 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1626 return 0; 1627 1628 err = qlcnic_set_default_offload_settings(adapter); 1629 if (err) 1630 return err; 1631 1632 err = qlcnic_reset_npar_config(adapter); 1633 if (err) 1634 return err; 1635 1636 qlcnic_dev_set_npar_ready(adapter); 1637 1638 return err; 1639 } 1640 1641 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1642 { 1643 int err; 1644 1645 err = qlcnic_can_start_firmware(adapter); 1646 if (err < 0) 1647 return err; 1648 else if (!err) 1649 goto check_fw_status; 1650 1651 if (qlcnic_load_fw_file) 1652 qlcnic_request_firmware(adapter); 1653 else { 1654 err = qlcnic_check_flash_fw_ver(adapter); 1655 if (err) 1656 goto err_out; 1657 1658 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1659 } 1660 1661 err = qlcnic_need_fw_reset(adapter); 1662 if (err == 0) 1663 goto check_fw_status; 1664 1665 err = qlcnic_pinit_from_rom(adapter); 1666 if (err) 1667 goto err_out; 1668 1669 err = qlcnic_load_firmware(adapter); 1670 if (err) 1671 goto err_out; 1672 1673 qlcnic_release_firmware(adapter); 1674 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1675 1676 check_fw_status: 1677 err = qlcnic_check_fw_status(adapter); 1678 if (err) 1679 goto err_out; 1680 1681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1682 qlcnic_idc_debug_info(adapter, 1); 1683 err = qlcnic_check_eswitch_mode(adapter); 1684 if (err) { 1685 dev_err(&adapter->pdev->dev, 1686 "Memory allocation failed for eswitch\n"); 1687 goto err_out; 1688 } 1689 err = qlcnic_set_mgmt_operations(adapter); 1690 if (err) 1691 goto err_out; 1692 1693 qlcnic_check_options(adapter); 1694 adapter->need_fw_reset = 0; 1695 1696 qlcnic_release_firmware(adapter); 1697 return 0; 1698 1699 err_out: 1700 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1701 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1702 1703 qlcnic_release_firmware(adapter); 1704 return err; 1705 } 1706 1707 static int 1708 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1709 { 1710 irq_handler_t handler; 1711 struct qlcnic_host_sds_ring *sds_ring; 1712 struct qlcnic_host_tx_ring *tx_ring; 1713 int err, ring, num_sds_rings; 1714 1715 unsigned long flags = 0; 1716 struct net_device *netdev = adapter->netdev; 1717 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1718 1719 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1720 if (qlcnic_82xx_check(adapter)) 1721 handler = qlcnic_tmp_intr; 1722 else 1723 handler = qlcnic_83xx_tmp_intr; 1724 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1725 flags |= IRQF_SHARED; 1726 1727 } else { 1728 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1729 handler = qlcnic_msix_intr; 1730 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1731 handler = qlcnic_msi_intr; 1732 else { 1733 flags |= IRQF_SHARED; 1734 if (qlcnic_82xx_check(adapter)) 1735 handler = qlcnic_intr; 1736 else 1737 handler = qlcnic_83xx_intr; 1738 } 1739 } 1740 adapter->irq = netdev->irq; 1741 1742 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1743 if (qlcnic_82xx_check(adapter) || 1744 (qlcnic_83xx_check(adapter) && 1745 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1746 num_sds_rings = adapter->drv_sds_rings; 1747 for (ring = 0; ring < num_sds_rings; ring++) { 1748 sds_ring = &recv_ctx->sds_rings[ring]; 1749 if (qlcnic_82xx_check(adapter) && 1750 !qlcnic_check_multi_tx(adapter) && 1751 (ring == (num_sds_rings - 1))) { 1752 if (!(adapter->flags & 1753 QLCNIC_MSIX_ENABLED)) 1754 snprintf(sds_ring->name, 1755 sizeof(sds_ring->name), 1756 "qlcnic"); 1757 else 1758 snprintf(sds_ring->name, 1759 sizeof(sds_ring->name), 1760 "%s-tx-0-rx-%d", 1761 netdev->name, ring); 1762 } else { 1763 snprintf(sds_ring->name, 1764 sizeof(sds_ring->name), 1765 "%s-rx-%d", 1766 netdev->name, ring); 1767 } 1768 err = request_irq(sds_ring->irq, handler, flags, 1769 sds_ring->name, sds_ring); 1770 if (err) 1771 return err; 1772 } 1773 } 1774 if ((qlcnic_82xx_check(adapter) && 1775 qlcnic_check_multi_tx(adapter)) || 1776 (qlcnic_83xx_check(adapter) && 1777 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1778 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1779 handler = qlcnic_msix_tx_intr; 1780 for (ring = 0; ring < adapter->drv_tx_rings; 1781 ring++) { 1782 tx_ring = &adapter->tx_ring[ring]; 1783 snprintf(tx_ring->name, sizeof(tx_ring->name), 1784 "%s-tx-%d", netdev->name, ring); 1785 err = request_irq(tx_ring->irq, handler, flags, 1786 tx_ring->name, tx_ring); 1787 if (err) 1788 return err; 1789 } 1790 } 1791 } 1792 return 0; 1793 } 1794 1795 static void 1796 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1797 { 1798 int ring; 1799 struct qlcnic_host_sds_ring *sds_ring; 1800 struct qlcnic_host_tx_ring *tx_ring; 1801 1802 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1803 1804 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1805 if (qlcnic_82xx_check(adapter) || 1806 (qlcnic_83xx_check(adapter) && 1807 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1808 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1809 sds_ring = &recv_ctx->sds_rings[ring]; 1810 free_irq(sds_ring->irq, sds_ring); 1811 } 1812 } 1813 if ((qlcnic_83xx_check(adapter) && 1814 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1815 (qlcnic_82xx_check(adapter) && 1816 qlcnic_check_multi_tx(adapter))) { 1817 for (ring = 0; ring < adapter->drv_tx_rings; 1818 ring++) { 1819 tx_ring = &adapter->tx_ring[ring]; 1820 if (tx_ring->irq) 1821 free_irq(tx_ring->irq, tx_ring); 1822 } 1823 } 1824 } 1825 } 1826 1827 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1828 { 1829 u32 capab = 0; 1830 1831 if (qlcnic_82xx_check(adapter)) { 1832 if (adapter->ahw->extra_capability[0] & 1833 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1834 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1835 } else { 1836 capab = adapter->ahw->capabilities; 1837 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1838 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1839 } 1840 } 1841 1842 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1843 { 1844 struct qlcnic_hardware_context *ahw = adapter->ahw; 1845 int err; 1846 1847 /* Initialize interrupt coalesce parameters */ 1848 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1849 1850 if (qlcnic_83xx_check(adapter)) { 1851 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1852 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1853 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1854 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1855 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1856 1857 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1858 } else { 1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1862 1863 err = qlcnic_82xx_set_rx_coalesce(adapter); 1864 } 1865 1866 return err; 1867 } 1868 1869 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1870 { 1871 int ring; 1872 struct qlcnic_host_rds_ring *rds_ring; 1873 1874 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1875 return -EIO; 1876 1877 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1878 return 0; 1879 1880 if (qlcnic_set_eswitch_port_config(adapter)) 1881 return -EIO; 1882 1883 qlcnic_get_lro_mss_capability(adapter); 1884 1885 if (qlcnic_fw_create_ctx(adapter)) 1886 return -EIO; 1887 1888 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1889 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1890 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1891 } 1892 1893 qlcnic_set_multi(netdev); 1894 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1895 1896 adapter->ahw->linkup = 0; 1897 1898 if (adapter->drv_sds_rings > 1) 1899 qlcnic_config_rss(adapter, 1); 1900 1901 qlcnic_config_def_intr_coalesce(adapter); 1902 1903 if (netdev->features & NETIF_F_LRO) 1904 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1905 1906 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1907 qlcnic_napi_enable(adapter); 1908 1909 qlcnic_linkevent_request(adapter, 1); 1910 1911 adapter->ahw->reset_context = 0; 1912 netif_tx_start_all_queues(netdev); 1913 return 0; 1914 } 1915 1916 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1917 { 1918 int err = 0; 1919 1920 rtnl_lock(); 1921 if (netif_running(netdev)) 1922 err = __qlcnic_up(adapter, netdev); 1923 rtnl_unlock(); 1924 1925 return err; 1926 } 1927 1928 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1929 { 1930 int ring; 1931 1932 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1933 return; 1934 1935 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1936 return; 1937 1938 smp_mb(); 1939 netif_carrier_off(netdev); 1940 adapter->ahw->linkup = 0; 1941 netif_tx_disable(netdev); 1942 1943 qlcnic_free_mac_list(adapter); 1944 1945 if (adapter->fhash.fnum) 1946 qlcnic_delete_lb_filters(adapter); 1947 1948 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1949 if (qlcnic_sriov_vf_check(adapter)) 1950 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1951 1952 qlcnic_napi_disable(adapter); 1953 1954 qlcnic_fw_destroy_ctx(adapter); 1955 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1956 1957 qlcnic_reset_rx_buffers_list(adapter); 1958 1959 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1960 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1961 } 1962 1963 /* Usage: During suspend and firmware recovery module */ 1964 1965 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1966 { 1967 rtnl_lock(); 1968 if (netif_running(netdev)) 1969 __qlcnic_down(adapter, netdev); 1970 rtnl_unlock(); 1971 1972 } 1973 1974 int 1975 qlcnic_attach(struct qlcnic_adapter *adapter) 1976 { 1977 struct net_device *netdev = adapter->netdev; 1978 struct pci_dev *pdev = adapter->pdev; 1979 int err; 1980 1981 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1982 return 0; 1983 1984 err = qlcnic_napi_add(adapter, netdev); 1985 if (err) 1986 return err; 1987 1988 err = qlcnic_alloc_sw_resources(adapter); 1989 if (err) { 1990 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1991 goto err_out_napi_del; 1992 } 1993 1994 err = qlcnic_alloc_hw_resources(adapter); 1995 if (err) { 1996 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1997 goto err_out_free_sw; 1998 } 1999 2000 err = qlcnic_request_irq(adapter); 2001 if (err) { 2002 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2003 goto err_out_free_hw; 2004 } 2005 2006 qlcnic_create_sysfs_entries(adapter); 2007 2008 #ifdef CONFIG_QLCNIC_VXLAN 2009 if (qlcnic_encap_rx_offload(adapter)) 2010 vxlan_get_rx_port(netdev); 2011 #endif 2012 2013 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2014 return 0; 2015 2016 err_out_free_hw: 2017 qlcnic_free_hw_resources(adapter); 2018 err_out_free_sw: 2019 qlcnic_free_sw_resources(adapter); 2020 err_out_napi_del: 2021 qlcnic_napi_del(adapter); 2022 return err; 2023 } 2024 2025 void qlcnic_detach(struct qlcnic_adapter *adapter) 2026 { 2027 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2028 return; 2029 2030 qlcnic_remove_sysfs_entries(adapter); 2031 2032 qlcnic_free_hw_resources(adapter); 2033 qlcnic_release_rx_buffers(adapter); 2034 qlcnic_free_irq(adapter); 2035 qlcnic_napi_del(adapter); 2036 qlcnic_free_sw_resources(adapter); 2037 2038 adapter->is_up = 0; 2039 } 2040 2041 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2042 { 2043 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2044 struct qlcnic_host_sds_ring *sds_ring; 2045 int drv_tx_rings = adapter->drv_tx_rings; 2046 int ring; 2047 2048 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2049 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2050 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2051 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2052 qlcnic_disable_sds_intr(adapter, sds_ring); 2053 } 2054 } 2055 2056 qlcnic_fw_destroy_ctx(adapter); 2057 2058 qlcnic_detach(adapter); 2059 2060 adapter->ahw->diag_test = 0; 2061 adapter->drv_sds_rings = drv_sds_rings; 2062 adapter->drv_tx_rings = drv_tx_rings; 2063 2064 if (qlcnic_attach(adapter)) 2065 goto out; 2066 2067 if (netif_running(netdev)) 2068 __qlcnic_up(adapter, netdev); 2069 out: 2070 netif_device_attach(netdev); 2071 } 2072 2073 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2074 { 2075 struct qlcnic_hardware_context *ahw = adapter->ahw; 2076 int err = 0; 2077 2078 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2079 GFP_KERNEL); 2080 if (!adapter->recv_ctx) { 2081 err = -ENOMEM; 2082 goto err_out; 2083 } 2084 2085 if (qlcnic_83xx_check(adapter)) { 2086 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2087 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2088 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2089 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2090 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2091 } else { 2092 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2093 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2094 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2095 } 2096 2097 /* clear stats */ 2098 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2099 err_out: 2100 return err; 2101 } 2102 2103 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2104 { 2105 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2106 2107 kfree(adapter->recv_ctx); 2108 adapter->recv_ctx = NULL; 2109 2110 if (fw_dump->tmpl_hdr) { 2111 vfree(fw_dump->tmpl_hdr); 2112 fw_dump->tmpl_hdr = NULL; 2113 } 2114 2115 if (fw_dump->dma_buffer) { 2116 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2117 fw_dump->dma_buffer, fw_dump->phys_addr); 2118 fw_dump->dma_buffer = NULL; 2119 } 2120 2121 kfree(adapter->ahw->reset.buff); 2122 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2123 } 2124 2125 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2126 { 2127 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2128 struct qlcnic_host_sds_ring *sds_ring; 2129 struct qlcnic_host_rds_ring *rds_ring; 2130 int ring; 2131 int ret; 2132 2133 netif_device_detach(netdev); 2134 2135 if (netif_running(netdev)) 2136 __qlcnic_down(adapter, netdev); 2137 2138 qlcnic_detach(adapter); 2139 2140 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2141 adapter->ahw->diag_test = test; 2142 adapter->ahw->linkup = 0; 2143 2144 ret = qlcnic_attach(adapter); 2145 if (ret) { 2146 netif_device_attach(netdev); 2147 return ret; 2148 } 2149 2150 ret = qlcnic_fw_create_ctx(adapter); 2151 if (ret) { 2152 qlcnic_detach(adapter); 2153 netif_device_attach(netdev); 2154 return ret; 2155 } 2156 2157 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2158 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2159 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2160 } 2161 2162 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2163 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2164 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2165 qlcnic_enable_sds_intr(adapter, sds_ring); 2166 } 2167 } 2168 2169 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2170 adapter->ahw->loopback_state = 0; 2171 qlcnic_linkevent_request(adapter, 1); 2172 } 2173 2174 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2175 2176 return 0; 2177 } 2178 2179 /* Reset context in hardware only */ 2180 static int 2181 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2182 { 2183 struct net_device *netdev = adapter->netdev; 2184 2185 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2186 return -EBUSY; 2187 2188 netif_device_detach(netdev); 2189 2190 qlcnic_down(adapter, netdev); 2191 2192 qlcnic_up(adapter, netdev); 2193 2194 netif_device_attach(netdev); 2195 2196 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2197 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2198 return 0; 2199 } 2200 2201 int 2202 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2203 { 2204 int err = 0; 2205 struct net_device *netdev = adapter->netdev; 2206 2207 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2208 return -EBUSY; 2209 2210 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2211 2212 netif_device_detach(netdev); 2213 2214 if (netif_running(netdev)) 2215 __qlcnic_down(adapter, netdev); 2216 2217 qlcnic_detach(adapter); 2218 2219 if (netif_running(netdev)) { 2220 err = qlcnic_attach(adapter); 2221 if (!err) { 2222 __qlcnic_up(adapter, netdev); 2223 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2224 } 2225 } 2226 2227 netif_device_attach(netdev); 2228 } 2229 2230 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2231 return err; 2232 } 2233 2234 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2235 { 2236 struct qlcnic_hardware_context *ahw = adapter->ahw; 2237 u16 act_pci_fn = ahw->total_nic_func; 2238 u16 count; 2239 2240 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2241 if (act_pci_fn <= 2) 2242 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2243 act_pci_fn; 2244 else 2245 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2246 act_pci_fn; 2247 ahw->max_uc_count = count; 2248 } 2249 2250 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2251 u8 tx_queues, u8 rx_queues) 2252 { 2253 struct net_device *netdev = adapter->netdev; 2254 int err = 0; 2255 2256 if (tx_queues) { 2257 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2258 if (err) { 2259 netdev_err(netdev, "failed to set %d Tx queues\n", 2260 tx_queues); 2261 return err; 2262 } 2263 } 2264 2265 if (rx_queues) { 2266 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2267 if (err) 2268 netdev_err(netdev, "failed to set %d Rx queues\n", 2269 rx_queues); 2270 } 2271 2272 return err; 2273 } 2274 2275 int 2276 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2277 int pci_using_dac) 2278 { 2279 int err; 2280 struct pci_dev *pdev = adapter->pdev; 2281 2282 adapter->rx_csum = 1; 2283 adapter->ahw->mc_enabled = 0; 2284 qlcnic_set_mac_filter_count(adapter); 2285 2286 netdev->netdev_ops = &qlcnic_netdev_ops; 2287 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2288 2289 qlcnic_change_mtu(netdev, netdev->mtu); 2290 2291 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2292 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2293 2294 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2295 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2296 NETIF_F_HW_VLAN_CTAG_RX); 2297 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2298 NETIF_F_IPV6_CSUM); 2299 2300 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2301 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2302 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2303 } 2304 2305 if (pci_using_dac) { 2306 netdev->features |= NETIF_F_HIGHDMA; 2307 netdev->vlan_features |= NETIF_F_HIGHDMA; 2308 } 2309 2310 if (qlcnic_vlan_tx_check(adapter)) 2311 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2312 2313 if (qlcnic_sriov_vf_check(adapter)) 2314 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2315 2316 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2317 netdev->features |= NETIF_F_LRO; 2318 2319 if (qlcnic_encap_tx_offload(adapter)) { 2320 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2321 2322 /* encapsulation Tx offload supported by Adapter */ 2323 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2324 NETIF_F_GSO_UDP_TUNNEL | 2325 NETIF_F_TSO | 2326 NETIF_F_TSO6; 2327 } 2328 2329 if (qlcnic_encap_rx_offload(adapter)) 2330 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2331 2332 netdev->hw_features = netdev->features; 2333 netdev->priv_flags |= IFF_UNICAST_FLT; 2334 netdev->irq = adapter->msix_entries[0].vector; 2335 2336 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2337 adapter->drv_sds_rings); 2338 if (err) 2339 return err; 2340 2341 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2342 2343 err = register_netdev(netdev); 2344 if (err) { 2345 dev_err(&pdev->dev, "failed to register net device\n"); 2346 return err; 2347 } 2348 2349 return 0; 2350 } 2351 2352 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2353 { 2354 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2355 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2356 *pci_using_dac = 1; 2357 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2358 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2359 *pci_using_dac = 0; 2360 else { 2361 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2362 return -EIO; 2363 } 2364 2365 return 0; 2366 } 2367 2368 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2369 { 2370 int ring; 2371 struct qlcnic_host_tx_ring *tx_ring; 2372 2373 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2374 tx_ring = &adapter->tx_ring[ring]; 2375 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2376 vfree(tx_ring->cmd_buf_arr); 2377 tx_ring->cmd_buf_arr = NULL; 2378 } 2379 } 2380 if (adapter->tx_ring != NULL) 2381 kfree(adapter->tx_ring); 2382 } 2383 2384 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2385 struct net_device *netdev) 2386 { 2387 int ring, vector, index; 2388 struct qlcnic_host_tx_ring *tx_ring; 2389 struct qlcnic_cmd_buffer *cmd_buf_arr; 2390 2391 tx_ring = kcalloc(adapter->drv_tx_rings, 2392 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2393 if (tx_ring == NULL) 2394 return -ENOMEM; 2395 2396 adapter->tx_ring = tx_ring; 2397 2398 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2399 tx_ring = &adapter->tx_ring[ring]; 2400 tx_ring->num_desc = adapter->num_txd; 2401 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2402 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2403 if (cmd_buf_arr == NULL) { 2404 qlcnic_free_tx_rings(adapter); 2405 return -ENOMEM; 2406 } 2407 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2408 tx_ring->cmd_buf_arr = cmd_buf_arr; 2409 spin_lock_init(&tx_ring->tx_clean_lock); 2410 } 2411 2412 if (qlcnic_83xx_check(adapter) || 2413 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2414 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2415 tx_ring = &adapter->tx_ring[ring]; 2416 tx_ring->adapter = adapter; 2417 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2418 index = adapter->drv_sds_rings + ring; 2419 vector = adapter->msix_entries[index].vector; 2420 tx_ring->irq = vector; 2421 } 2422 } 2423 } 2424 2425 return 0; 2426 } 2427 2428 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2429 { 2430 struct qlcnic_hardware_context *ahw = adapter->ahw; 2431 u32 fw_cmd = 0; 2432 2433 if (qlcnic_82xx_check(adapter)) 2434 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2435 else if (qlcnic_83xx_check(adapter)) 2436 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2437 2438 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2439 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2440 } 2441 2442 /* Reset firmware API lock */ 2443 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2444 { 2445 qlcnic_api_lock(adapter); 2446 qlcnic_api_unlock(adapter); 2447 } 2448 2449 2450 static int 2451 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2452 { 2453 struct net_device *netdev = NULL; 2454 struct qlcnic_adapter *adapter = NULL; 2455 struct qlcnic_hardware_context *ahw; 2456 int err, pci_using_dac = -1; 2457 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2458 2459 err = pci_enable_device(pdev); 2460 if (err) 2461 return err; 2462 2463 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2464 err = -ENODEV; 2465 goto err_out_disable_pdev; 2466 } 2467 2468 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2469 if (err) 2470 goto err_out_disable_pdev; 2471 2472 err = pci_request_regions(pdev, qlcnic_driver_name); 2473 if (err) 2474 goto err_out_disable_pdev; 2475 2476 pci_set_master(pdev); 2477 pci_enable_pcie_error_reporting(pdev); 2478 2479 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2480 if (!ahw) { 2481 err = -ENOMEM; 2482 goto err_out_free_res; 2483 } 2484 2485 switch (ent->device) { 2486 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2487 ahw->hw_ops = &qlcnic_hw_ops; 2488 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2489 break; 2490 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2491 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2492 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2493 qlcnic_83xx_register_map(ahw); 2494 break; 2495 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2496 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2497 qlcnic_sriov_vf_register_map(ahw); 2498 break; 2499 default: 2500 goto err_out_free_hw_res; 2501 } 2502 2503 err = qlcnic_setup_pci_map(pdev, ahw); 2504 if (err) 2505 goto err_out_free_hw_res; 2506 2507 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2508 QLCNIC_MAX_TX_RINGS); 2509 if (!netdev) { 2510 err = -ENOMEM; 2511 goto err_out_iounmap; 2512 } 2513 2514 SET_NETDEV_DEV(netdev, &pdev->dev); 2515 2516 adapter = netdev_priv(netdev); 2517 adapter->netdev = netdev; 2518 adapter->pdev = pdev; 2519 adapter->ahw = ahw; 2520 2521 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2522 if (adapter->qlcnic_wq == NULL) { 2523 err = -ENOMEM; 2524 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2525 goto err_out_free_netdev; 2526 } 2527 2528 err = qlcnic_alloc_adapter_resources(adapter); 2529 if (err) 2530 goto err_out_free_wq; 2531 2532 adapter->dev_rst_time = jiffies; 2533 ahw->revision_id = pdev->revision; 2534 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2535 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2536 adapter->fdb_mac_learn = true; 2537 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2538 adapter->drv_mac_learn = true; 2539 2540 rwlock_init(&adapter->ahw->crb_lock); 2541 mutex_init(&adapter->ahw->mem_lock); 2542 2543 INIT_LIST_HEAD(&adapter->mac_list); 2544 2545 qlcnic_register_dcb(adapter); 2546 2547 if (qlcnic_82xx_check(adapter)) { 2548 qlcnic_check_vf(adapter, ent); 2549 adapter->portnum = adapter->ahw->pci_func; 2550 qlcnic_reset_api_lock(adapter); 2551 err = qlcnic_start_firmware(adapter); 2552 if (err) { 2553 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2554 "\t\tIf reboot doesn't help, try flashing the card\n"); 2555 goto err_out_maintenance_mode; 2556 } 2557 2558 /* compute and set default and max tx/sds rings */ 2559 if (adapter->ahw->msix_supported) { 2560 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2561 qlcnic_set_tx_ring_count(adapter, 2562 QLCNIC_SINGLE_RING); 2563 else 2564 qlcnic_set_tx_ring_count(adapter, 2565 QLCNIC_DEF_TX_RINGS); 2566 qlcnic_set_sds_ring_count(adapter, 2567 QLCNIC_DEF_SDS_RINGS); 2568 } else { 2569 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2570 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2571 } 2572 2573 err = qlcnic_setup_idc_param(adapter); 2574 if (err) 2575 goto err_out_free_hw; 2576 2577 adapter->flags |= QLCNIC_NEED_FLR; 2578 2579 } else if (qlcnic_83xx_check(adapter)) { 2580 qlcnic_83xx_check_vf(adapter, ent); 2581 adapter->portnum = adapter->ahw->pci_func; 2582 err = qlcnic_83xx_init(adapter, pci_using_dac); 2583 if (err) { 2584 switch (err) { 2585 case -ENOTRECOVERABLE: 2586 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2587 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2588 goto err_out_free_hw; 2589 case -ENOMEM: 2590 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2591 goto err_out_free_hw; 2592 case -EOPNOTSUPP: 2593 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2594 goto err_out_free_hw; 2595 default: 2596 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2597 goto err_out_maintenance_mode; 2598 } 2599 } 2600 2601 if (qlcnic_sriov_vf_check(adapter)) 2602 return 0; 2603 } else { 2604 dev_err(&pdev->dev, 2605 "%s: failed. Please Reboot\n", __func__); 2606 goto err_out_free_hw; 2607 } 2608 2609 if (qlcnic_read_mac_addr(adapter)) 2610 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2611 2612 qlcnic_read_phys_port_id(adapter); 2613 2614 if (adapter->portnum == 0) { 2615 qlcnic_get_board_name(adapter, board_name); 2616 2617 pr_info("%s: %s Board Chip rev 0x%x\n", 2618 module_name(THIS_MODULE), 2619 board_name, adapter->ahw->revision_id); 2620 } 2621 2622 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2623 !!qlcnic_use_msi) 2624 dev_warn(&pdev->dev, 2625 "Device does not support MSI interrupts\n"); 2626 2627 if (qlcnic_82xx_check(adapter)) { 2628 qlcnic_dcb_enable(adapter->dcb); 2629 qlcnic_dcb_get_info(adapter->dcb); 2630 err = qlcnic_setup_intr(adapter); 2631 2632 if (err) { 2633 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2634 goto err_out_disable_msi; 2635 } 2636 } 2637 2638 err = qlcnic_get_act_pci_func(adapter); 2639 if (err) 2640 goto err_out_disable_mbx_intr; 2641 2642 if (adapter->portnum == 0) 2643 qlcnic_set_drv_version(adapter); 2644 2645 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2646 if (err) 2647 goto err_out_disable_mbx_intr; 2648 2649 pci_set_drvdata(pdev, adapter); 2650 2651 if (qlcnic_82xx_check(adapter)) 2652 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2653 FW_POLL_DELAY); 2654 2655 switch (adapter->ahw->port_type) { 2656 case QLCNIC_GBE: 2657 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2658 adapter->netdev->name); 2659 break; 2660 case QLCNIC_XGBE: 2661 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2662 adapter->netdev->name); 2663 break; 2664 } 2665 2666 if (adapter->drv_mac_learn) 2667 qlcnic_alloc_lb_filters_mem(adapter); 2668 2669 qlcnic_add_sysfs(adapter); 2670 qlcnic_register_hwmon_dev(adapter); 2671 return 0; 2672 2673 err_out_disable_mbx_intr: 2674 if (qlcnic_83xx_check(adapter)) 2675 qlcnic_83xx_free_mbx_intr(adapter); 2676 2677 err_out_disable_msi: 2678 qlcnic_teardown_intr(adapter); 2679 qlcnic_cancel_idc_work(adapter); 2680 qlcnic_clr_all_drv_state(adapter, 0); 2681 2682 err_out_free_hw: 2683 qlcnic_free_adapter_resources(adapter); 2684 2685 err_out_free_wq: 2686 destroy_workqueue(adapter->qlcnic_wq); 2687 2688 err_out_free_netdev: 2689 free_netdev(netdev); 2690 2691 err_out_iounmap: 2692 qlcnic_cleanup_pci_map(ahw); 2693 2694 err_out_free_hw_res: 2695 kfree(ahw); 2696 2697 err_out_free_res: 2698 pci_release_regions(pdev); 2699 2700 err_out_disable_pdev: 2701 pci_disable_device(pdev); 2702 return err; 2703 2704 err_out_maintenance_mode: 2705 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2706 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2707 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2708 ahw->port_type = QLCNIC_XGBE; 2709 2710 if (qlcnic_83xx_check(adapter)) 2711 adapter->tgt_status_reg = NULL; 2712 else 2713 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2714 2715 err = register_netdev(netdev); 2716 2717 if (err) { 2718 dev_err(&pdev->dev, "Failed to register net device\n"); 2719 qlcnic_clr_all_drv_state(adapter, 0); 2720 goto err_out_free_hw; 2721 } 2722 2723 pci_set_drvdata(pdev, adapter); 2724 qlcnic_add_sysfs(adapter); 2725 2726 return 0; 2727 } 2728 2729 static void qlcnic_remove(struct pci_dev *pdev) 2730 { 2731 struct qlcnic_adapter *adapter; 2732 struct net_device *netdev; 2733 struct qlcnic_hardware_context *ahw; 2734 2735 adapter = pci_get_drvdata(pdev); 2736 if (adapter == NULL) 2737 return; 2738 2739 netdev = adapter->netdev; 2740 2741 qlcnic_cancel_idc_work(adapter); 2742 qlcnic_sriov_pf_disable(adapter); 2743 ahw = adapter->ahw; 2744 2745 unregister_netdev(netdev); 2746 qlcnic_sriov_cleanup(adapter); 2747 2748 if (qlcnic_83xx_check(adapter)) { 2749 qlcnic_83xx_initialize_nic(adapter, 0); 2750 cancel_delayed_work_sync(&adapter->idc_aen_work); 2751 qlcnic_83xx_free_mbx_intr(adapter); 2752 qlcnic_83xx_detach_mailbox_work(adapter); 2753 qlcnic_83xx_free_mailbox(ahw->mailbox); 2754 kfree(ahw->fw_info); 2755 } 2756 2757 qlcnic_dcb_free(adapter->dcb); 2758 2759 qlcnic_detach(adapter); 2760 2761 if (adapter->npars != NULL) 2762 kfree(adapter->npars); 2763 if (adapter->eswitch != NULL) 2764 kfree(adapter->eswitch); 2765 2766 if (qlcnic_82xx_check(adapter)) 2767 qlcnic_clr_all_drv_state(adapter, 0); 2768 2769 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2770 2771 qlcnic_free_lb_filters_mem(adapter); 2772 2773 qlcnic_teardown_intr(adapter); 2774 2775 qlcnic_remove_sysfs(adapter); 2776 2777 qlcnic_unregister_hwmon_dev(adapter); 2778 2779 qlcnic_cleanup_pci_map(adapter->ahw); 2780 2781 qlcnic_release_firmware(adapter); 2782 2783 pci_disable_pcie_error_reporting(pdev); 2784 pci_release_regions(pdev); 2785 pci_disable_device(pdev); 2786 2787 if (adapter->qlcnic_wq) { 2788 destroy_workqueue(adapter->qlcnic_wq); 2789 adapter->qlcnic_wq = NULL; 2790 } 2791 2792 qlcnic_free_adapter_resources(adapter); 2793 kfree(ahw); 2794 free_netdev(netdev); 2795 } 2796 2797 static void qlcnic_shutdown(struct pci_dev *pdev) 2798 { 2799 if (__qlcnic_shutdown(pdev)) 2800 return; 2801 2802 pci_disable_device(pdev); 2803 } 2804 2805 #ifdef CONFIG_PM 2806 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2807 { 2808 int retval; 2809 2810 retval = __qlcnic_shutdown(pdev); 2811 if (retval) 2812 return retval; 2813 2814 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2815 return 0; 2816 } 2817 2818 static int qlcnic_resume(struct pci_dev *pdev) 2819 { 2820 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2821 int err; 2822 2823 err = pci_enable_device(pdev); 2824 if (err) 2825 return err; 2826 2827 pci_set_power_state(pdev, PCI_D0); 2828 pci_set_master(pdev); 2829 pci_restore_state(pdev); 2830 2831 return __qlcnic_resume(adapter); 2832 } 2833 #endif 2834 2835 static int qlcnic_open(struct net_device *netdev) 2836 { 2837 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2838 int err; 2839 2840 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2841 netdev_err(netdev, "%s: Device is in non-operational state\n", 2842 __func__); 2843 2844 return -EIO; 2845 } 2846 2847 netif_carrier_off(netdev); 2848 2849 err = qlcnic_attach(adapter); 2850 if (err) 2851 return err; 2852 2853 err = __qlcnic_up(adapter, netdev); 2854 if (err) 2855 qlcnic_detach(adapter); 2856 2857 return err; 2858 } 2859 2860 /* 2861 * qlcnic_close - Disables a network interface entry point 2862 */ 2863 static int qlcnic_close(struct net_device *netdev) 2864 { 2865 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2866 2867 __qlcnic_down(adapter, netdev); 2868 2869 return 0; 2870 } 2871 2872 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2873 2874 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2875 { 2876 void *head; 2877 int i; 2878 struct net_device *netdev = adapter->netdev; 2879 u32 filter_size = 0; 2880 u16 act_pci_func = 0; 2881 2882 if (adapter->fhash.fmax && adapter->fhash.fhead) 2883 return; 2884 2885 act_pci_func = adapter->ahw->total_nic_func; 2886 spin_lock_init(&adapter->mac_learn_lock); 2887 spin_lock_init(&adapter->rx_mac_learn_lock); 2888 2889 if (qlcnic_sriov_vf_check(adapter)) { 2890 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2891 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2892 } else if (qlcnic_82xx_check(adapter)) { 2893 filter_size = QLCNIC_LB_MAX_FILTERS; 2894 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2895 } else { 2896 filter_size = QLC_83XX_LB_MAX_FILTERS; 2897 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2898 } 2899 2900 head = kcalloc(adapter->fhash.fbucket_size, 2901 sizeof(struct hlist_head), GFP_ATOMIC); 2902 2903 if (!head) 2904 return; 2905 2906 adapter->fhash.fmax = (filter_size / act_pci_func); 2907 adapter->fhash.fhead = head; 2908 2909 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2910 act_pci_func, adapter->fhash.fmax); 2911 2912 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2913 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2914 2915 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2916 2917 head = kcalloc(adapter->rx_fhash.fbucket_size, 2918 sizeof(struct hlist_head), GFP_ATOMIC); 2919 2920 if (!head) 2921 return; 2922 2923 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2924 adapter->rx_fhash.fhead = head; 2925 2926 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2927 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2928 } 2929 2930 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2931 { 2932 if (adapter->fhash.fmax && adapter->fhash.fhead) 2933 kfree(adapter->fhash.fhead); 2934 2935 adapter->fhash.fhead = NULL; 2936 adapter->fhash.fmax = 0; 2937 2938 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2939 kfree(adapter->rx_fhash.fhead); 2940 2941 adapter->rx_fhash.fmax = 0; 2942 adapter->rx_fhash.fhead = NULL; 2943 } 2944 2945 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2946 { 2947 struct net_device *netdev = adapter->netdev; 2948 u32 temp_state, temp_val, temp = 0; 2949 int rv = 0; 2950 2951 if (qlcnic_83xx_check(adapter)) 2952 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2953 2954 if (qlcnic_82xx_check(adapter)) 2955 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2956 2957 temp_state = qlcnic_get_temp_state(temp); 2958 temp_val = qlcnic_get_temp_val(temp); 2959 2960 if (temp_state == QLCNIC_TEMP_PANIC) { 2961 dev_err(&netdev->dev, 2962 "Device temperature %d degrees C exceeds" 2963 " maximum allowed. Hardware has been shut down.\n", 2964 temp_val); 2965 rv = 1; 2966 } else if (temp_state == QLCNIC_TEMP_WARN) { 2967 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2968 dev_err(&netdev->dev, 2969 "Device temperature %d degrees C " 2970 "exceeds operating range." 2971 " Immediate action needed.\n", 2972 temp_val); 2973 } 2974 } else { 2975 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2976 dev_info(&netdev->dev, 2977 "Device temperature is now %d degrees C" 2978 " in normal range.\n", temp_val); 2979 } 2980 } 2981 adapter->ahw->temp = temp_state; 2982 return rv; 2983 } 2984 2985 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2986 { 2987 int i; 2988 struct cmd_desc_type0 *tx_desc_info; 2989 2990 for (i = 0; i < tx_ring->num_desc; i++) { 2991 tx_desc_info = &tx_ring->desc_head[i]; 2992 pr_info("TX Desc: %d\n", i); 2993 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2994 &tx_ring->desc_head[i], 2995 sizeof(struct cmd_desc_type0), true); 2996 } 2997 } 2998 2999 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3000 { 3001 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3002 struct net_device *netdev = adapter->netdev; 3003 struct qlcnic_host_rds_ring *rds_ring; 3004 struct qlcnic_host_sds_ring *sds_ring; 3005 struct qlcnic_host_tx_ring *tx_ring; 3006 int ring; 3007 3008 if (!netdev || !netif_running(netdev)) 3009 return; 3010 3011 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3012 rds_ring = &recv_ctx->rds_rings[ring]; 3013 if (!rds_ring) 3014 continue; 3015 netdev_info(netdev, 3016 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3017 ring, readl(rds_ring->crb_rcv_producer), 3018 rds_ring->producer, rds_ring->num_desc); 3019 } 3020 3021 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3022 sds_ring = &(recv_ctx->sds_rings[ring]); 3023 if (!sds_ring) 3024 continue; 3025 netdev_info(netdev, 3026 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3027 ring, readl(sds_ring->crb_sts_consumer), 3028 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3029 sds_ring->num_desc); 3030 } 3031 3032 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3033 tx_ring = &adapter->tx_ring[ring]; 3034 if (!tx_ring) 3035 continue; 3036 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3037 ring, tx_ring->ctx_id); 3038 netdev_info(netdev, 3039 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3040 tx_ring->tx_stats.xmit_finished, 3041 tx_ring->tx_stats.xmit_called, 3042 tx_ring->tx_stats.xmit_on, 3043 tx_ring->tx_stats.xmit_off); 3044 3045 if (tx_ring->crb_intr_mask) 3046 netdev_info(netdev, "crb_intr_mask=%d\n", 3047 readl(tx_ring->crb_intr_mask)); 3048 3049 netdev_info(netdev, 3050 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3051 readl(tx_ring->crb_cmd_producer), 3052 tx_ring->producer, tx_ring->sw_consumer, 3053 le32_to_cpu(*(tx_ring->hw_consumer))); 3054 3055 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3056 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3057 3058 if (netif_msg_tx_err(adapter->ahw)) 3059 dump_tx_ring_desc(tx_ring); 3060 } 3061 3062 } 3063 3064 static void qlcnic_tx_timeout(struct net_device *netdev) 3065 { 3066 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3067 3068 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3069 return; 3070 3071 qlcnic_dump_rings(adapter); 3072 3073 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3074 netif_msg_tx_err(adapter->ahw)) { 3075 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3076 if (qlcnic_82xx_check(adapter)) 3077 adapter->need_fw_reset = 1; 3078 else if (qlcnic_83xx_check(adapter)) 3079 qlcnic_83xx_idc_request_reset(adapter, 3080 QLCNIC_FORCE_FW_DUMP_KEY); 3081 } else { 3082 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3083 adapter->ahw->reset_context = 1; 3084 } 3085 } 3086 3087 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3088 { 3089 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3090 struct net_device_stats *stats = &netdev->stats; 3091 3092 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3093 qlcnic_update_stats(adapter); 3094 3095 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3096 stats->tx_packets = adapter->stats.xmitfinished; 3097 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3098 stats->tx_bytes = adapter->stats.txbytes; 3099 stats->rx_dropped = adapter->stats.rxdropped; 3100 stats->tx_dropped = adapter->stats.txdropped; 3101 3102 return stats; 3103 } 3104 3105 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3106 { 3107 u32 status; 3108 3109 status = readl(adapter->isr_int_vec); 3110 3111 if (!(status & adapter->ahw->int_vec_bit)) 3112 return IRQ_NONE; 3113 3114 /* check interrupt state machine, to be sure */ 3115 status = readl(adapter->crb_int_state_reg); 3116 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3117 return IRQ_NONE; 3118 3119 writel(0xffffffff, adapter->tgt_status_reg); 3120 /* read twice to ensure write is flushed */ 3121 readl(adapter->isr_int_vec); 3122 readl(adapter->isr_int_vec); 3123 3124 return IRQ_HANDLED; 3125 } 3126 3127 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3128 { 3129 struct qlcnic_host_sds_ring *sds_ring = data; 3130 struct qlcnic_adapter *adapter = sds_ring->adapter; 3131 3132 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3133 goto done; 3134 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3135 writel(0xffffffff, adapter->tgt_status_reg); 3136 goto done; 3137 } 3138 3139 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3140 return IRQ_NONE; 3141 3142 done: 3143 adapter->ahw->diag_cnt++; 3144 qlcnic_enable_sds_intr(adapter, sds_ring); 3145 return IRQ_HANDLED; 3146 } 3147 3148 static irqreturn_t qlcnic_intr(int irq, void *data) 3149 { 3150 struct qlcnic_host_sds_ring *sds_ring = data; 3151 struct qlcnic_adapter *adapter = sds_ring->adapter; 3152 3153 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3154 return IRQ_NONE; 3155 3156 napi_schedule(&sds_ring->napi); 3157 3158 return IRQ_HANDLED; 3159 } 3160 3161 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3162 { 3163 struct qlcnic_host_sds_ring *sds_ring = data; 3164 struct qlcnic_adapter *adapter = sds_ring->adapter; 3165 3166 /* clear interrupt */ 3167 writel(0xffffffff, adapter->tgt_status_reg); 3168 3169 napi_schedule(&sds_ring->napi); 3170 return IRQ_HANDLED; 3171 } 3172 3173 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3174 { 3175 struct qlcnic_host_sds_ring *sds_ring = data; 3176 3177 napi_schedule(&sds_ring->napi); 3178 return IRQ_HANDLED; 3179 } 3180 3181 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3182 { 3183 struct qlcnic_host_tx_ring *tx_ring = data; 3184 3185 napi_schedule(&tx_ring->napi); 3186 return IRQ_HANDLED; 3187 } 3188 3189 #ifdef CONFIG_NET_POLL_CONTROLLER 3190 static void qlcnic_poll_controller(struct net_device *netdev) 3191 { 3192 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3193 struct qlcnic_host_sds_ring *sds_ring; 3194 struct qlcnic_recv_context *recv_ctx; 3195 struct qlcnic_host_tx_ring *tx_ring; 3196 int ring; 3197 3198 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3199 return; 3200 3201 recv_ctx = adapter->recv_ctx; 3202 3203 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3204 sds_ring = &recv_ctx->sds_rings[ring]; 3205 qlcnic_disable_sds_intr(adapter, sds_ring); 3206 napi_schedule(&sds_ring->napi); 3207 } 3208 3209 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3210 /* Only Multi-Tx queue capable devices need to 3211 * schedule NAPI for TX rings 3212 */ 3213 if ((qlcnic_83xx_check(adapter) && 3214 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3215 (qlcnic_82xx_check(adapter) && 3216 !qlcnic_check_multi_tx(adapter))) 3217 return; 3218 3219 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3220 tx_ring = &adapter->tx_ring[ring]; 3221 qlcnic_disable_tx_intr(adapter, tx_ring); 3222 napi_schedule(&tx_ring->napi); 3223 } 3224 } 3225 } 3226 #endif 3227 3228 static void 3229 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3230 { 3231 u32 val; 3232 3233 val = adapter->portnum & 0xf; 3234 val |= encoding << 7; 3235 val |= (jiffies - adapter->dev_rst_time) << 8; 3236 3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3238 adapter->dev_rst_time = jiffies; 3239 } 3240 3241 static int 3242 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3243 { 3244 u32 val; 3245 3246 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3247 state != QLCNIC_DEV_NEED_QUISCENT); 3248 3249 if (qlcnic_api_lock(adapter)) 3250 return -EIO; 3251 3252 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3253 3254 if (state == QLCNIC_DEV_NEED_RESET) 3255 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3256 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3257 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3258 3259 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3260 3261 qlcnic_api_unlock(adapter); 3262 3263 return 0; 3264 } 3265 3266 static int 3267 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3268 { 3269 u32 val; 3270 3271 if (qlcnic_api_lock(adapter)) 3272 return -EBUSY; 3273 3274 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3275 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3276 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3277 3278 qlcnic_api_unlock(adapter); 3279 3280 return 0; 3281 } 3282 3283 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3284 { 3285 u32 val; 3286 3287 if (qlcnic_api_lock(adapter)) 3288 goto err; 3289 3290 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3291 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3292 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3293 3294 if (failed) { 3295 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3296 QLCNIC_DEV_FAILED); 3297 dev_info(&adapter->pdev->dev, 3298 "Device state set to Failed. Please Reboot\n"); 3299 } else if (!(val & 0x11111111)) 3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3301 QLCNIC_DEV_COLD); 3302 3303 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3304 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3305 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3306 3307 qlcnic_api_unlock(adapter); 3308 err: 3309 adapter->fw_fail_cnt = 0; 3310 adapter->flags &= ~QLCNIC_FW_HANG; 3311 clear_bit(__QLCNIC_START_FW, &adapter->state); 3312 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3313 } 3314 3315 /* Grab api lock, before checking state */ 3316 static int 3317 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3318 { 3319 int act, state, active_mask; 3320 struct qlcnic_hardware_context *ahw = adapter->ahw; 3321 3322 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3323 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3324 3325 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3326 active_mask = (~(1 << (ahw->pci_func * 4))); 3327 act = act & active_mask; 3328 } 3329 3330 if (((state & 0x11111111) == (act & 0x11111111)) || 3331 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3332 return 0; 3333 else 3334 return 1; 3335 } 3336 3337 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3338 { 3339 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3340 3341 if (val != QLCNIC_DRV_IDC_VER) { 3342 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3343 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3344 } 3345 3346 return 0; 3347 } 3348 3349 static int 3350 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3351 { 3352 u32 val, prev_state; 3353 u8 dev_init_timeo = adapter->dev_init_timeo; 3354 u8 portnum = adapter->portnum; 3355 u8 ret; 3356 3357 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3358 return 1; 3359 3360 if (qlcnic_api_lock(adapter)) 3361 return -1; 3362 3363 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3364 if (!(val & (1 << (portnum * 4)))) { 3365 QLC_DEV_SET_REF_CNT(val, portnum); 3366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3367 } 3368 3369 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3370 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3371 3372 switch (prev_state) { 3373 case QLCNIC_DEV_COLD: 3374 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3375 QLCNIC_DEV_INITIALIZING); 3376 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3377 QLCNIC_DRV_IDC_VER); 3378 qlcnic_idc_debug_info(adapter, 0); 3379 qlcnic_api_unlock(adapter); 3380 return 1; 3381 3382 case QLCNIC_DEV_READY: 3383 ret = qlcnic_check_idc_ver(adapter); 3384 qlcnic_api_unlock(adapter); 3385 return ret; 3386 3387 case QLCNIC_DEV_NEED_RESET: 3388 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3389 QLC_DEV_SET_RST_RDY(val, portnum); 3390 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3391 break; 3392 3393 case QLCNIC_DEV_NEED_QUISCENT: 3394 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3395 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3396 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3397 break; 3398 3399 case QLCNIC_DEV_FAILED: 3400 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3401 qlcnic_api_unlock(adapter); 3402 return -1; 3403 3404 case QLCNIC_DEV_INITIALIZING: 3405 case QLCNIC_DEV_QUISCENT: 3406 break; 3407 } 3408 3409 qlcnic_api_unlock(adapter); 3410 3411 do { 3412 msleep(1000); 3413 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3414 3415 if (prev_state == QLCNIC_DEV_QUISCENT) 3416 continue; 3417 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3418 3419 if (!dev_init_timeo) { 3420 dev_err(&adapter->pdev->dev, 3421 "Waiting for device to initialize timeout\n"); 3422 return -1; 3423 } 3424 3425 if (qlcnic_api_lock(adapter)) 3426 return -1; 3427 3428 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3429 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3430 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3431 3432 ret = qlcnic_check_idc_ver(adapter); 3433 qlcnic_api_unlock(adapter); 3434 3435 return ret; 3436 } 3437 3438 static void 3439 qlcnic_fwinit_work(struct work_struct *work) 3440 { 3441 struct qlcnic_adapter *adapter = container_of(work, 3442 struct qlcnic_adapter, fw_work.work); 3443 u32 dev_state = 0xf; 3444 u32 val; 3445 3446 if (qlcnic_api_lock(adapter)) 3447 goto err_ret; 3448 3449 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3450 if (dev_state == QLCNIC_DEV_QUISCENT || 3451 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3452 qlcnic_api_unlock(adapter); 3453 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3454 FW_POLL_DELAY * 2); 3455 return; 3456 } 3457 3458 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3459 qlcnic_api_unlock(adapter); 3460 goto wait_npar; 3461 } 3462 3463 if (dev_state == QLCNIC_DEV_INITIALIZING || 3464 dev_state == QLCNIC_DEV_READY) { 3465 dev_info(&adapter->pdev->dev, "Detected state change from " 3466 "DEV_NEED_RESET, skipping ack check\n"); 3467 goto skip_ack_check; 3468 } 3469 3470 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3471 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3472 adapter->reset_ack_timeo); 3473 goto skip_ack_check; 3474 } 3475 3476 if (!qlcnic_check_drv_state(adapter)) { 3477 skip_ack_check: 3478 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3479 3480 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3481 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3482 QLCNIC_DEV_INITIALIZING); 3483 set_bit(__QLCNIC_START_FW, &adapter->state); 3484 QLCDB(adapter, DRV, "Restarting fw\n"); 3485 qlcnic_idc_debug_info(adapter, 0); 3486 val = QLC_SHARED_REG_RD32(adapter, 3487 QLCNIC_CRB_DRV_STATE); 3488 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3489 QLC_SHARED_REG_WR32(adapter, 3490 QLCNIC_CRB_DRV_STATE, val); 3491 } 3492 3493 qlcnic_api_unlock(adapter); 3494 3495 rtnl_lock(); 3496 if (qlcnic_check_fw_dump_state(adapter) && 3497 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3498 QLCDB(adapter, DRV, "Take FW dump\n"); 3499 qlcnic_dump_fw(adapter); 3500 adapter->flags |= QLCNIC_FW_HANG; 3501 } 3502 rtnl_unlock(); 3503 3504 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3505 if (!adapter->nic_ops->start_firmware(adapter)) { 3506 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3507 adapter->fw_wait_cnt = 0; 3508 return; 3509 } 3510 goto err_ret; 3511 } 3512 3513 qlcnic_api_unlock(adapter); 3514 3515 wait_npar: 3516 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3517 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3518 3519 switch (dev_state) { 3520 case QLCNIC_DEV_READY: 3521 if (!qlcnic_start_firmware(adapter)) { 3522 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3523 adapter->fw_wait_cnt = 0; 3524 return; 3525 } 3526 case QLCNIC_DEV_FAILED: 3527 break; 3528 default: 3529 qlcnic_schedule_work(adapter, 3530 qlcnic_fwinit_work, FW_POLL_DELAY); 3531 return; 3532 } 3533 3534 err_ret: 3535 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3536 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3537 netif_device_attach(adapter->netdev); 3538 qlcnic_clr_all_drv_state(adapter, 0); 3539 } 3540 3541 static void 3542 qlcnic_detach_work(struct work_struct *work) 3543 { 3544 struct qlcnic_adapter *adapter = container_of(work, 3545 struct qlcnic_adapter, fw_work.work); 3546 struct net_device *netdev = adapter->netdev; 3547 u32 status; 3548 3549 netif_device_detach(netdev); 3550 3551 /* Dont grab rtnl lock during Quiscent mode */ 3552 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3553 if (netif_running(netdev)) 3554 __qlcnic_down(adapter, netdev); 3555 } else 3556 qlcnic_down(adapter, netdev); 3557 3558 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3559 3560 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3561 dev_err(&adapter->pdev->dev, 3562 "Detaching the device: peg halt status1=0x%x\n", 3563 status); 3564 3565 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3566 dev_err(&adapter->pdev->dev, 3567 "On board active cooling fan failed. " 3568 "Device has been halted.\n"); 3569 dev_err(&adapter->pdev->dev, 3570 "Replace the adapter.\n"); 3571 } 3572 3573 goto err_ret; 3574 } 3575 3576 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3577 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3578 adapter->ahw->temp); 3579 goto err_ret; 3580 } 3581 3582 /* Dont ack if this instance is the reset owner */ 3583 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3584 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3585 dev_err(&adapter->pdev->dev, 3586 "Failed to set driver state," 3587 "detaching the device.\n"); 3588 goto err_ret; 3589 } 3590 } 3591 3592 adapter->fw_wait_cnt = 0; 3593 3594 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3595 3596 return; 3597 3598 err_ret: 3599 netif_device_attach(netdev); 3600 qlcnic_clr_all_drv_state(adapter, 1); 3601 } 3602 3603 /*Transit NPAR state to NON Operational */ 3604 static void 3605 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3606 { 3607 u32 state; 3608 3609 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3610 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3611 return; 3612 3613 if (qlcnic_api_lock(adapter)) 3614 return; 3615 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3616 QLCNIC_DEV_NPAR_NON_OPER); 3617 qlcnic_api_unlock(adapter); 3618 } 3619 3620 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3621 u32 key) 3622 { 3623 u32 state, xg_val = 0, gb_val = 0; 3624 3625 qlcnic_xg_set_xg0_mask(xg_val); 3626 qlcnic_xg_set_xg1_mask(xg_val); 3627 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3628 qlcnic_gb_set_gb0_mask(gb_val); 3629 qlcnic_gb_set_gb1_mask(gb_val); 3630 qlcnic_gb_set_gb2_mask(gb_val); 3631 qlcnic_gb_set_gb3_mask(gb_val); 3632 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3633 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3634 " on all ports\n"); 3635 adapter->need_fw_reset = 1; 3636 3637 if (qlcnic_api_lock(adapter)) 3638 return; 3639 3640 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3641 3642 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3643 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3644 __func__); 3645 qlcnic_api_unlock(adapter); 3646 3647 return; 3648 } 3649 3650 if (state == QLCNIC_DEV_READY) { 3651 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3652 QLCNIC_DEV_NEED_RESET); 3653 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3654 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3655 qlcnic_idc_debug_info(adapter, 0); 3656 } 3657 3658 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3659 QLCNIC_DEV_NPAR_NON_OPER); 3660 qlcnic_api_unlock(adapter); 3661 } 3662 3663 /* Transit to NPAR READY state from NPAR NOT READY state */ 3664 static void 3665 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3666 { 3667 if (qlcnic_api_lock(adapter)) 3668 return; 3669 3670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3671 QLCNIC_DEV_NPAR_OPER); 3672 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3673 3674 qlcnic_api_unlock(adapter); 3675 } 3676 3677 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3678 work_func_t func, int delay) 3679 { 3680 if (test_bit(__QLCNIC_AER, &adapter->state)) 3681 return; 3682 3683 INIT_DELAYED_WORK(&adapter->fw_work, func); 3684 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3685 round_jiffies_relative(delay)); 3686 } 3687 3688 static void 3689 qlcnic_attach_work(struct work_struct *work) 3690 { 3691 struct qlcnic_adapter *adapter = container_of(work, 3692 struct qlcnic_adapter, fw_work.work); 3693 struct net_device *netdev = adapter->netdev; 3694 u32 npar_state; 3695 3696 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3697 npar_state = QLC_SHARED_REG_RD32(adapter, 3698 QLCNIC_CRB_DEV_NPAR_STATE); 3699 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3700 qlcnic_clr_all_drv_state(adapter, 0); 3701 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3702 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3703 FW_POLL_DELAY); 3704 else 3705 goto attach; 3706 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3707 return; 3708 } 3709 attach: 3710 qlcnic_dcb_get_info(adapter->dcb); 3711 3712 if (netif_running(netdev)) { 3713 if (qlcnic_up(adapter, netdev)) 3714 goto done; 3715 3716 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3717 } 3718 3719 done: 3720 netif_device_attach(netdev); 3721 adapter->fw_fail_cnt = 0; 3722 adapter->flags &= ~QLCNIC_FW_HANG; 3723 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3724 if (adapter->portnum == 0) 3725 qlcnic_set_drv_version(adapter); 3726 3727 if (!qlcnic_clr_drv_state(adapter)) 3728 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3729 FW_POLL_DELAY); 3730 } 3731 3732 static int 3733 qlcnic_check_health(struct qlcnic_adapter *adapter) 3734 { 3735 struct qlcnic_hardware_context *ahw = adapter->ahw; 3736 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3737 u32 state = 0, heartbeat; 3738 u32 peg_status; 3739 int err = 0; 3740 3741 if (qlcnic_check_temp(adapter)) 3742 goto detach; 3743 3744 if (adapter->need_fw_reset) 3745 qlcnic_dev_request_reset(adapter, 0); 3746 3747 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3748 if (state == QLCNIC_DEV_NEED_RESET) { 3749 qlcnic_set_npar_non_operational(adapter); 3750 adapter->need_fw_reset = 1; 3751 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3752 goto detach; 3753 3754 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3755 if (heartbeat != adapter->heartbeat) { 3756 adapter->heartbeat = heartbeat; 3757 adapter->fw_fail_cnt = 0; 3758 if (adapter->need_fw_reset) 3759 goto detach; 3760 3761 if (ahw->reset_context && qlcnic_auto_fw_reset) 3762 qlcnic_reset_hw_context(adapter); 3763 3764 return 0; 3765 } 3766 3767 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3768 return 0; 3769 3770 adapter->flags |= QLCNIC_FW_HANG; 3771 3772 qlcnic_dev_request_reset(adapter, 0); 3773 3774 if (qlcnic_auto_fw_reset) 3775 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3776 3777 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3778 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3779 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3780 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3781 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3782 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3783 "PEG_NET_4_PC: 0x%x\n", 3784 peg_status, 3785 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3786 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3787 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3788 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3789 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3790 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3791 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3792 dev_err(&adapter->pdev->dev, 3793 "Firmware aborted with error code 0x00006700. " 3794 "Device is being reset.\n"); 3795 detach: 3796 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3797 QLCNIC_DEV_NEED_RESET; 3798 3799 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3800 &adapter->state)) { 3801 3802 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3803 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3804 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3805 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3806 qlcnic_dump_fw(adapter); 3807 } 3808 3809 return 1; 3810 } 3811 3812 void qlcnic_fw_poll_work(struct work_struct *work) 3813 { 3814 struct qlcnic_adapter *adapter = container_of(work, 3815 struct qlcnic_adapter, fw_work.work); 3816 3817 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3818 goto reschedule; 3819 3820 3821 if (qlcnic_check_health(adapter)) 3822 return; 3823 3824 if (adapter->fhash.fnum) 3825 qlcnic_prune_lb_filters(adapter); 3826 3827 reschedule: 3828 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3829 } 3830 3831 static int qlcnic_is_first_func(struct pci_dev *pdev) 3832 { 3833 struct pci_dev *oth_pdev; 3834 int val = pdev->devfn; 3835 3836 while (val-- > 0) { 3837 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3838 (pdev->bus), pdev->bus->number, 3839 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3840 if (!oth_pdev) 3841 continue; 3842 3843 if (oth_pdev->current_state != PCI_D3cold) { 3844 pci_dev_put(oth_pdev); 3845 return 0; 3846 } 3847 pci_dev_put(oth_pdev); 3848 } 3849 return 1; 3850 } 3851 3852 static int qlcnic_attach_func(struct pci_dev *pdev) 3853 { 3854 int err, first_func; 3855 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3856 struct net_device *netdev = adapter->netdev; 3857 3858 pdev->error_state = pci_channel_io_normal; 3859 3860 err = pci_enable_device(pdev); 3861 if (err) 3862 return err; 3863 3864 pci_set_master(pdev); 3865 pci_restore_state(pdev); 3866 3867 first_func = qlcnic_is_first_func(pdev); 3868 3869 if (qlcnic_api_lock(adapter)) 3870 return -EINVAL; 3871 3872 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3873 adapter->need_fw_reset = 1; 3874 set_bit(__QLCNIC_START_FW, &adapter->state); 3875 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3876 QLCNIC_DEV_INITIALIZING); 3877 QLCDB(adapter, DRV, "Restarting fw\n"); 3878 } 3879 qlcnic_api_unlock(adapter); 3880 3881 err = qlcnic_start_firmware(adapter); 3882 if (err) 3883 return err; 3884 3885 qlcnic_clr_drv_state(adapter); 3886 kfree(adapter->msix_entries); 3887 adapter->msix_entries = NULL; 3888 err = qlcnic_setup_intr(adapter); 3889 3890 if (err) { 3891 kfree(adapter->msix_entries); 3892 netdev_err(netdev, "failed to setup interrupt\n"); 3893 return err; 3894 } 3895 3896 if (netif_running(netdev)) { 3897 err = qlcnic_attach(adapter); 3898 if (err) { 3899 qlcnic_clr_all_drv_state(adapter, 1); 3900 clear_bit(__QLCNIC_AER, &adapter->state); 3901 netif_device_attach(netdev); 3902 return err; 3903 } 3904 3905 err = qlcnic_up(adapter, netdev); 3906 if (err) 3907 goto done; 3908 3909 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3910 } 3911 done: 3912 netif_device_attach(netdev); 3913 return err; 3914 } 3915 3916 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3917 pci_channel_state_t state) 3918 { 3919 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3920 struct net_device *netdev = adapter->netdev; 3921 3922 if (state == pci_channel_io_perm_failure) 3923 return PCI_ERS_RESULT_DISCONNECT; 3924 3925 if (state == pci_channel_io_normal) 3926 return PCI_ERS_RESULT_RECOVERED; 3927 3928 set_bit(__QLCNIC_AER, &adapter->state); 3929 netif_device_detach(netdev); 3930 3931 cancel_delayed_work_sync(&adapter->fw_work); 3932 3933 if (netif_running(netdev)) 3934 qlcnic_down(adapter, netdev); 3935 3936 qlcnic_detach(adapter); 3937 qlcnic_teardown_intr(adapter); 3938 3939 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3940 3941 pci_save_state(pdev); 3942 pci_disable_device(pdev); 3943 3944 return PCI_ERS_RESULT_NEED_RESET; 3945 } 3946 3947 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3948 { 3949 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3950 PCI_ERS_RESULT_RECOVERED; 3951 } 3952 3953 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3954 { 3955 u32 state; 3956 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3957 3958 pci_cleanup_aer_uncorrect_error_status(pdev); 3959 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3960 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3961 &adapter->state)) 3962 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3963 FW_POLL_DELAY); 3964 } 3965 3966 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3967 pci_channel_state_t state) 3968 { 3969 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3970 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3971 3972 if (hw_ops->io_error_detected) { 3973 return hw_ops->io_error_detected(pdev, state); 3974 } else { 3975 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3976 return PCI_ERS_RESULT_DISCONNECT; 3977 } 3978 } 3979 3980 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3981 { 3982 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3983 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3984 3985 if (hw_ops->io_slot_reset) { 3986 return hw_ops->io_slot_reset(pdev); 3987 } else { 3988 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3989 return PCI_ERS_RESULT_DISCONNECT; 3990 } 3991 } 3992 3993 static void qlcnic_io_resume(struct pci_dev *pdev) 3994 { 3995 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3996 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3997 3998 if (hw_ops->io_resume) 3999 hw_ops->io_resume(pdev); 4000 else 4001 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4002 } 4003 4004 4005 static int 4006 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4007 { 4008 int err; 4009 4010 err = qlcnic_can_start_firmware(adapter); 4011 if (err) 4012 return err; 4013 4014 err = qlcnic_check_npar_opertional(adapter); 4015 if (err) 4016 return err; 4017 4018 err = qlcnic_initialize_nic(adapter); 4019 if (err) 4020 return err; 4021 4022 qlcnic_check_options(adapter); 4023 4024 err = qlcnic_set_eswitch_port_config(adapter); 4025 if (err) 4026 return err; 4027 4028 adapter->need_fw_reset = 0; 4029 4030 return err; 4031 } 4032 4033 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4034 int queue_type) 4035 { 4036 struct net_device *netdev = adapter->netdev; 4037 u8 max_hw_rings = 0; 4038 char buf[8]; 4039 int cur_rings; 4040 4041 if (queue_type == QLCNIC_RX_QUEUE) { 4042 max_hw_rings = adapter->max_sds_rings; 4043 cur_rings = adapter->drv_sds_rings; 4044 strcpy(buf, "SDS"); 4045 } else if (queue_type == QLCNIC_TX_QUEUE) { 4046 max_hw_rings = adapter->max_tx_rings; 4047 cur_rings = adapter->drv_tx_rings; 4048 strcpy(buf, "Tx"); 4049 } 4050 4051 if (!is_power_of_2(ring_cnt)) { 4052 netdev_err(netdev, "%s rings value should be a power of 2\n", 4053 buf); 4054 return -EINVAL; 4055 } 4056 4057 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4058 !qlcnic_check_multi_tx(adapter)) { 4059 netdev_err(netdev, "No Multi Tx queue support\n"); 4060 return -EINVAL; 4061 } 4062 4063 if (ring_cnt > num_online_cpus()) { 4064 netdev_err(netdev, 4065 "%s value[%u] should not be higher than, number of online CPUs\n", 4066 buf, num_online_cpus()); 4067 return -EINVAL; 4068 } 4069 4070 return 0; 4071 } 4072 4073 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4074 { 4075 struct net_device *netdev = adapter->netdev; 4076 u8 tx_rings, rx_rings; 4077 int err; 4078 4079 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4080 return -EBUSY; 4081 4082 tx_rings = adapter->drv_tss_rings; 4083 rx_rings = adapter->drv_rss_rings; 4084 4085 netif_device_detach(netdev); 4086 4087 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4088 if (err) 4089 goto done; 4090 4091 if (netif_running(netdev)) 4092 __qlcnic_down(adapter, netdev); 4093 4094 qlcnic_detach(adapter); 4095 4096 if (qlcnic_83xx_check(adapter)) { 4097 qlcnic_83xx_free_mbx_intr(adapter); 4098 qlcnic_83xx_enable_mbx_poll(adapter); 4099 } 4100 4101 qlcnic_teardown_intr(adapter); 4102 4103 err = qlcnic_setup_intr(adapter); 4104 if (err) { 4105 kfree(adapter->msix_entries); 4106 netdev_err(netdev, "failed to setup interrupt\n"); 4107 return err; 4108 } 4109 4110 /* Check if we need to update real_num_{tx|rx}_queues because 4111 * qlcnic_setup_intr() may change Tx/Rx rings size 4112 */ 4113 if ((tx_rings != adapter->drv_tx_rings) || 4114 (rx_rings != adapter->drv_sds_rings)) { 4115 err = qlcnic_set_real_num_queues(adapter, 4116 adapter->drv_tx_rings, 4117 adapter->drv_sds_rings); 4118 if (err) 4119 goto done; 4120 } 4121 4122 if (qlcnic_83xx_check(adapter)) { 4123 qlcnic_83xx_initialize_nic(adapter, 1); 4124 err = qlcnic_83xx_setup_mbx_intr(adapter); 4125 qlcnic_83xx_disable_mbx_poll(adapter); 4126 if (err) { 4127 dev_err(&adapter->pdev->dev, 4128 "failed to setup mbx interrupt\n"); 4129 goto done; 4130 } 4131 } 4132 4133 if (netif_running(netdev)) { 4134 err = qlcnic_attach(adapter); 4135 if (err) 4136 goto done; 4137 err = __qlcnic_up(adapter, netdev); 4138 if (err) 4139 goto done; 4140 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4141 } 4142 done: 4143 netif_device_attach(netdev); 4144 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4145 return err; 4146 } 4147 4148 #ifdef CONFIG_INET 4149 4150 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4151 4152 static void 4153 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4154 struct net_device *dev, unsigned long event) 4155 { 4156 struct in_device *indev; 4157 4158 indev = in_dev_get(dev); 4159 if (!indev) 4160 return; 4161 4162 for_ifa(indev) { 4163 switch (event) { 4164 case NETDEV_UP: 4165 qlcnic_config_ipaddr(adapter, 4166 ifa->ifa_address, QLCNIC_IP_UP); 4167 break; 4168 case NETDEV_DOWN: 4169 qlcnic_config_ipaddr(adapter, 4170 ifa->ifa_address, QLCNIC_IP_DOWN); 4171 break; 4172 default: 4173 break; 4174 } 4175 } endfor_ifa(indev); 4176 4177 in_dev_put(indev); 4178 } 4179 4180 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4181 { 4182 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4183 struct net_device *dev; 4184 u16 vid; 4185 4186 qlcnic_config_indev_addr(adapter, netdev, event); 4187 4188 rcu_read_lock(); 4189 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4190 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4191 if (!dev) 4192 continue; 4193 qlcnic_config_indev_addr(adapter, dev, event); 4194 } 4195 rcu_read_unlock(); 4196 } 4197 4198 static int qlcnic_netdev_event(struct notifier_block *this, 4199 unsigned long event, void *ptr) 4200 { 4201 struct qlcnic_adapter *adapter; 4202 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4203 4204 recheck: 4205 if (dev == NULL) 4206 goto done; 4207 4208 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4209 dev = vlan_dev_real_dev(dev); 4210 goto recheck; 4211 } 4212 4213 if (!is_qlcnic_netdev(dev)) 4214 goto done; 4215 4216 adapter = netdev_priv(dev); 4217 4218 if (!adapter) 4219 goto done; 4220 4221 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4222 goto done; 4223 4224 qlcnic_config_indev_addr(adapter, dev, event); 4225 done: 4226 return NOTIFY_DONE; 4227 } 4228 4229 static int 4230 qlcnic_inetaddr_event(struct notifier_block *this, 4231 unsigned long event, void *ptr) 4232 { 4233 struct qlcnic_adapter *adapter; 4234 struct net_device *dev; 4235 4236 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4237 4238 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4239 4240 recheck: 4241 if (dev == NULL) 4242 goto done; 4243 4244 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4245 dev = vlan_dev_real_dev(dev); 4246 goto recheck; 4247 } 4248 4249 if (!is_qlcnic_netdev(dev)) 4250 goto done; 4251 4252 adapter = netdev_priv(dev); 4253 4254 if (!adapter) 4255 goto done; 4256 4257 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4258 goto done; 4259 4260 switch (event) { 4261 case NETDEV_UP: 4262 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4263 4264 break; 4265 case NETDEV_DOWN: 4266 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4267 4268 break; 4269 default: 4270 break; 4271 } 4272 4273 done: 4274 return NOTIFY_DONE; 4275 } 4276 4277 static struct notifier_block qlcnic_netdev_cb = { 4278 .notifier_call = qlcnic_netdev_event, 4279 }; 4280 4281 static struct notifier_block qlcnic_inetaddr_cb = { 4282 .notifier_call = qlcnic_inetaddr_event, 4283 }; 4284 #else 4285 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4286 { } 4287 #endif 4288 static const struct pci_error_handlers qlcnic_err_handler = { 4289 .error_detected = qlcnic_io_error_detected, 4290 .slot_reset = qlcnic_io_slot_reset, 4291 .resume = qlcnic_io_resume, 4292 }; 4293 4294 static struct pci_driver qlcnic_driver = { 4295 .name = qlcnic_driver_name, 4296 .id_table = qlcnic_pci_tbl, 4297 .probe = qlcnic_probe, 4298 .remove = qlcnic_remove, 4299 #ifdef CONFIG_PM 4300 .suspend = qlcnic_suspend, 4301 .resume = qlcnic_resume, 4302 #endif 4303 .shutdown = qlcnic_shutdown, 4304 .err_handler = &qlcnic_err_handler, 4305 #ifdef CONFIG_QLCNIC_SRIOV 4306 .sriov_configure = qlcnic_pci_sriov_configure, 4307 #endif 4308 4309 }; 4310 4311 static int __init qlcnic_init_module(void) 4312 { 4313 int ret; 4314 4315 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4316 4317 #ifdef CONFIG_INET 4318 register_netdevice_notifier(&qlcnic_netdev_cb); 4319 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4320 #endif 4321 4322 ret = pci_register_driver(&qlcnic_driver); 4323 if (ret) { 4324 #ifdef CONFIG_INET 4325 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4326 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4327 #endif 4328 } 4329 4330 return ret; 4331 } 4332 4333 module_init(qlcnic_init_module); 4334 4335 static void __exit qlcnic_exit_module(void) 4336 { 4337 pci_unregister_driver(&qlcnic_driver); 4338 4339 #ifdef CONFIG_INET 4340 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4341 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4342 #endif 4343 } 4344 4345 module_exit(qlcnic_exit_module); 4346