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 #include <linux/swab.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/if_vlan.h> 13 #include <net/ip.h> 14 #include <linux/ipv6.h> 15 #include <linux/inetdevice.h> 16 #include <linux/aer.h> 17 #include <linux/log2.h> 18 #include <linux/pci.h> 19 #include <net/vxlan.h> 20 21 #include "qlcnic.h" 22 #include "qlcnic_sriov.h" 23 #include "qlcnic_hw.h" 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 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)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 63 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 64 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 65 66 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 67 static irqreturn_t qlcnic_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 69 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 70 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 71 72 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 73 static int qlcnic_start_firmware(struct qlcnic_adapter *); 74 75 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 76 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 77 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 78 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 79 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 80 81 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 82 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 83 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 84 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 85 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 86 static void qlcnic_82xx_io_resume(struct pci_dev *); 87 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 88 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 89 pci_channel_state_t); 90 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 91 { 92 struct qlcnic_hardware_context *ahw = adapter->ahw; 93 94 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 95 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 96 else 97 return 1; 98 } 99 100 /* PCI Device ID Table */ 101 #define ENTRY(device) \ 102 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 103 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 104 105 static const struct pci_device_id qlcnic_pci_tbl[] = { 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 113 {0,} 114 }; 115 116 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 117 118 119 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 120 { 121 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 122 } 123 124 static const u32 msi_tgt_status[8] = { 125 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 126 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 127 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 128 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 129 }; 130 131 static const u32 qlcnic_reg_tbl[] = { 132 0x1B20A8, /* PEG_HALT_STAT1 */ 133 0x1B20AC, /* PEG_HALT_STAT2 */ 134 0x1B20B0, /* FW_HEARTBEAT */ 135 0x1B2100, /* LOCK ID */ 136 0x1B2128, /* FW_CAPABILITIES */ 137 0x1B2138, /* drv active */ 138 0x1B2140, /* dev state */ 139 0x1B2144, /* drv state */ 140 0x1B2148, /* drv scratch */ 141 0x1B214C, /* dev partition info */ 142 0x1B2174, /* drv idc ver */ 143 0x1B2150, /* fw version major */ 144 0x1B2154, /* fw version minor */ 145 0x1B2158, /* fw version sub */ 146 0x1B219C, /* npar state */ 147 0x1B21FC, /* FW_IMG_VALID */ 148 0x1B2250, /* CMD_PEG_STATE */ 149 0x1B233C, /* RCV_PEG_STATE */ 150 0x1B23B4, /* ASIC TEMP */ 151 0x1B216C, /* FW api */ 152 0x1B2170, /* drv op mode */ 153 0x13C010, /* flash lock */ 154 0x13C014, /* flash unlock */ 155 }; 156 157 static const struct qlcnic_board_info qlcnic_boards[] = { 158 { PCI_VENDOR_ID_QLOGIC, 159 PCI_DEVICE_ID_QLOGIC_QLE844X, 160 0x0, 161 0x0, 162 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE834X, 165 PCI_VENDOR_ID_QLOGIC, 166 0x24e, 167 "8300 Series Dual Port 10GbE Converged Network Adapter " 168 "(TCP/IP Networking)" }, 169 { PCI_VENDOR_ID_QLOGIC, 170 PCI_DEVICE_ID_QLOGIC_QLE834X, 171 PCI_VENDOR_ID_QLOGIC, 172 0x243, 173 "8300 Series Single Port 10GbE Converged Network Adapter " 174 "(TCP/IP Networking)" }, 175 { PCI_VENDOR_ID_QLOGIC, 176 PCI_DEVICE_ID_QLOGIC_QLE834X, 177 PCI_VENDOR_ID_QLOGIC, 178 0x24a, 179 "8300 Series Dual Port 10GbE Converged Network Adapter " 180 "(TCP/IP Networking)" }, 181 { PCI_VENDOR_ID_QLOGIC, 182 PCI_DEVICE_ID_QLOGIC_QLE834X, 183 PCI_VENDOR_ID_QLOGIC, 184 0x246, 185 "8300 Series Dual Port 10GbE Converged Network Adapter " 186 "(TCP/IP Networking)" }, 187 { PCI_VENDOR_ID_QLOGIC, 188 PCI_DEVICE_ID_QLOGIC_QLE834X, 189 PCI_VENDOR_ID_QLOGIC, 190 0x252, 191 "8300 Series Dual Port 10GbE Converged Network Adapter " 192 "(TCP/IP Networking)" }, 193 { PCI_VENDOR_ID_QLOGIC, 194 PCI_DEVICE_ID_QLOGIC_QLE834X, 195 PCI_VENDOR_ID_QLOGIC, 196 0x26e, 197 "8300 Series Dual Port 10GbE Converged Network Adapter " 198 "(TCP/IP Networking)" }, 199 { PCI_VENDOR_ID_QLOGIC, 200 PCI_DEVICE_ID_QLOGIC_QLE834X, 201 PCI_VENDOR_ID_QLOGIC, 202 0x260, 203 "8300 Series Dual Port 10GbE Converged Network Adapter " 204 "(TCP/IP Networking)" }, 205 { PCI_VENDOR_ID_QLOGIC, 206 PCI_DEVICE_ID_QLOGIC_QLE834X, 207 PCI_VENDOR_ID_QLOGIC, 208 0x266, 209 "8300 Series Single Port 10GbE Converged Network Adapter " 210 "(TCP/IP Networking)" }, 211 { PCI_VENDOR_ID_QLOGIC, 212 PCI_DEVICE_ID_QLOGIC_QLE834X, 213 PCI_VENDOR_ID_QLOGIC, 214 0x269, 215 "8300 Series Dual Port 10GbE Converged Network Adapter " 216 "(TCP/IP Networking)" }, 217 { PCI_VENDOR_ID_QLOGIC, 218 PCI_DEVICE_ID_QLOGIC_QLE834X, 219 PCI_VENDOR_ID_QLOGIC, 220 0x271, 221 "8300 Series Dual Port 10GbE Converged Network Adapter " 222 "(TCP/IP Networking)" }, 223 { PCI_VENDOR_ID_QLOGIC, 224 PCI_DEVICE_ID_QLOGIC_QLE834X, 225 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 226 { PCI_VENDOR_ID_QLOGIC, 227 PCI_DEVICE_ID_QLOGIC_QLE8830, 228 0x0, 229 0x0, 230 "8830 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE824X, 233 PCI_VENDOR_ID_QLOGIC, 234 0x203, 235 "8200 Series Single Port 10GbE Converged Network Adapter" 236 "(TCP/IP Networking)" }, 237 { PCI_VENDOR_ID_QLOGIC, 238 PCI_DEVICE_ID_QLOGIC_QLE824X, 239 PCI_VENDOR_ID_QLOGIC, 240 0x207, 241 "8200 Series Dual Port 10GbE Converged Network Adapter" 242 "(TCP/IP Networking)" }, 243 { PCI_VENDOR_ID_QLOGIC, 244 PCI_DEVICE_ID_QLOGIC_QLE824X, 245 PCI_VENDOR_ID_QLOGIC, 246 0x20b, 247 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20c, 252 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20f, 257 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 0x103c, 0x3733, 261 "NC523SFP 10Gb 2-port Server Adapter" }, 262 { PCI_VENDOR_ID_QLOGIC, 263 PCI_DEVICE_ID_QLOGIC_QLE824X, 264 0x103c, 0x3346, 265 "CN1000Q Dual Port Converged Network Adapter" }, 266 { PCI_VENDOR_ID_QLOGIC, 267 PCI_DEVICE_ID_QLOGIC_QLE824X, 268 PCI_VENDOR_ID_QLOGIC, 269 0x210, 270 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 274 }; 275 276 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 277 278 static const 279 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 280 281 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 282 { 283 int size = sizeof(struct qlcnic_host_sds_ring) * count; 284 285 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 286 287 return recv_ctx->sds_rings == NULL; 288 } 289 290 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 291 { 292 kfree(recv_ctx->sds_rings); 293 recv_ctx->sds_rings = NULL; 294 } 295 296 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 297 { 298 struct net_device *netdev = adapter->netdev; 299 struct pci_dev *pdev = adapter->pdev; 300 u8 mac_addr[ETH_ALEN]; 301 int ret; 302 303 ret = qlcnic_get_mac_address(adapter, mac_addr, 304 adapter->ahw->pci_func); 305 if (ret) 306 return ret; 307 308 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 309 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 310 311 /* set station address */ 312 313 if (!is_valid_ether_addr(netdev->dev_addr)) 314 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 315 netdev->dev_addr); 316 317 return 0; 318 } 319 320 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 321 { 322 struct qlcnic_mac_vlan_list *cur; 323 struct list_head *head; 324 325 list_for_each(head, &adapter->mac_list) { 326 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 327 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 328 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 329 0, QLCNIC_MAC_DEL); 330 list_del(&cur->list); 331 kfree(cur); 332 return; 333 } 334 } 335 } 336 337 static int qlcnic_set_mac(struct net_device *netdev, void *p) 338 { 339 struct qlcnic_adapter *adapter = netdev_priv(netdev); 340 struct sockaddr *addr = p; 341 342 if (qlcnic_sriov_vf_check(adapter)) 343 return -EINVAL; 344 345 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 346 return -EOPNOTSUPP; 347 348 if (!is_valid_ether_addr(addr->sa_data)) 349 return -EINVAL; 350 351 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 352 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 353 return 0; 354 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 356 netif_device_detach(netdev); 357 qlcnic_napi_disable(adapter); 358 } 359 360 qlcnic_delete_adapter_mac(adapter); 361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 363 qlcnic_set_multi(adapter->netdev); 364 365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 366 netif_device_attach(netdev); 367 qlcnic_napi_enable(adapter); 368 } 369 return 0; 370 } 371 372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 373 struct net_device *netdev, 374 const unsigned char *addr, u16 vid) 375 { 376 struct qlcnic_adapter *adapter = netdev_priv(netdev); 377 int err = -EOPNOTSUPP; 378 379 if (!adapter->fdb_mac_learn) 380 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 381 382 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 383 qlcnic_sriov_check(adapter)) { 384 if (is_unicast_ether_addr(addr)) { 385 err = dev_uc_del(netdev, addr); 386 if (!err) 387 err = qlcnic_nic_del_mac(adapter, addr); 388 } else if (is_multicast_ether_addr(addr)) { 389 err = dev_mc_del(netdev, addr); 390 } else { 391 err = -EINVAL; 392 } 393 } 394 return err; 395 } 396 397 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 398 struct net_device *netdev, 399 const unsigned char *addr, u16 vid, u16 flags) 400 { 401 struct qlcnic_adapter *adapter = netdev_priv(netdev); 402 int err = 0; 403 404 if (!adapter->fdb_mac_learn) 405 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 406 407 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 408 !qlcnic_sriov_check(adapter)) { 409 pr_info("%s: FDB e-switch is not enabled\n", __func__); 410 return -EOPNOTSUPP; 411 } 412 413 if (ether_addr_equal(addr, adapter->mac_addr)) 414 return err; 415 416 if (is_unicast_ether_addr(addr)) { 417 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 418 err = dev_uc_add_excl(netdev, addr); 419 else 420 err = -ENOMEM; 421 } else if (is_multicast_ether_addr(addr)) { 422 err = dev_mc_add_excl(netdev, addr); 423 } else { 424 err = -EINVAL; 425 } 426 427 return err; 428 } 429 430 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 431 struct net_device *netdev, 432 struct net_device *filter_dev, int *idx) 433 { 434 struct qlcnic_adapter *adapter = netdev_priv(netdev); 435 int err = 0; 436 437 if (!adapter->fdb_mac_learn) 438 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 439 440 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 441 qlcnic_sriov_check(adapter)) 442 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 443 444 return err; 445 } 446 447 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 448 { 449 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 450 usleep_range(10000, 11000); 451 452 if (!adapter->fw_work.work.func) 453 return; 454 455 cancel_delayed_work_sync(&adapter->fw_work); 456 } 457 458 static int qlcnic_get_phys_port_id(struct net_device *netdev, 459 struct netdev_phys_item_id *ppid) 460 { 461 struct qlcnic_adapter *adapter = netdev_priv(netdev); 462 struct qlcnic_hardware_context *ahw = adapter->ahw; 463 464 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 465 return -EOPNOTSUPP; 466 467 ppid->id_len = sizeof(ahw->phys_port_id); 468 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 469 470 return 0; 471 } 472 473 static void qlcnic_add_vxlan_port(struct net_device *netdev, 474 struct udp_tunnel_info *ti) 475 { 476 struct qlcnic_adapter *adapter = netdev_priv(netdev); 477 struct qlcnic_hardware_context *ahw = adapter->ahw; 478 479 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 480 return; 481 482 /* Adapter supports only one VXLAN port. Use very first port 483 * for enabling offload 484 */ 485 if (!qlcnic_encap_rx_offload(adapter)) 486 return; 487 if (!ahw->vxlan_port_count) { 488 ahw->vxlan_port_count = 1; 489 ahw->vxlan_port = ntohs(ti->port); 490 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 491 return; 492 } 493 if (ahw->vxlan_port == ntohs(ti->port)) 494 ahw->vxlan_port_count++; 495 496 } 497 498 static void qlcnic_del_vxlan_port(struct net_device *netdev, 499 struct udp_tunnel_info *ti) 500 { 501 struct qlcnic_adapter *adapter = netdev_priv(netdev); 502 struct qlcnic_hardware_context *ahw = adapter->ahw; 503 504 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 505 return; 506 507 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 508 (ahw->vxlan_port != ntohs(ti->port))) 509 return; 510 511 ahw->vxlan_port_count--; 512 if (!ahw->vxlan_port_count) 513 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 514 } 515 516 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 517 struct net_device *dev, 518 netdev_features_t features) 519 { 520 features = vlan_features_check(skb, features); 521 return vxlan_features_check(skb, features); 522 } 523 524 static const struct net_device_ops qlcnic_netdev_ops = { 525 .ndo_open = qlcnic_open, 526 .ndo_stop = qlcnic_close, 527 .ndo_start_xmit = qlcnic_xmit_frame, 528 .ndo_get_stats = qlcnic_get_stats, 529 .ndo_validate_addr = eth_validate_addr, 530 .ndo_set_rx_mode = qlcnic_set_multi, 531 .ndo_set_mac_address = qlcnic_set_mac, 532 .ndo_change_mtu = qlcnic_change_mtu, 533 .ndo_fix_features = qlcnic_fix_features, 534 .ndo_set_features = qlcnic_set_features, 535 .ndo_tx_timeout = qlcnic_tx_timeout, 536 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 537 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 538 .ndo_fdb_add = qlcnic_fdb_add, 539 .ndo_fdb_del = qlcnic_fdb_del, 540 .ndo_fdb_dump = qlcnic_fdb_dump, 541 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 542 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port, 543 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port, 544 .ndo_features_check = qlcnic_features_check, 545 #ifdef CONFIG_QLCNIC_SRIOV 546 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 547 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 548 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 549 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 550 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 551 #endif 552 }; 553 554 static const struct net_device_ops qlcnic_netdev_failed_ops = { 555 .ndo_open = qlcnic_open, 556 }; 557 558 static struct qlcnic_nic_template qlcnic_ops = { 559 .config_bridged_mode = qlcnic_config_bridged_mode, 560 .config_led = qlcnic_82xx_config_led, 561 .start_firmware = qlcnic_82xx_start_firmware, 562 .request_reset = qlcnic_82xx_dev_request_reset, 563 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 564 .napi_add = qlcnic_82xx_napi_add, 565 .napi_del = qlcnic_82xx_napi_del, 566 .config_ipaddr = qlcnic_82xx_config_ipaddr, 567 .shutdown = qlcnic_82xx_shutdown, 568 .resume = qlcnic_82xx_resume, 569 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 570 }; 571 572 struct qlcnic_nic_template qlcnic_vf_ops = { 573 .config_bridged_mode = qlcnicvf_config_bridged_mode, 574 .config_led = qlcnicvf_config_led, 575 .start_firmware = qlcnicvf_start_firmware 576 }; 577 578 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 579 .read_crb = qlcnic_82xx_read_crb, 580 .write_crb = qlcnic_82xx_write_crb, 581 .read_reg = qlcnic_82xx_hw_read_wx_2M, 582 .write_reg = qlcnic_82xx_hw_write_wx_2M, 583 .get_mac_address = qlcnic_82xx_get_mac_address, 584 .setup_intr = qlcnic_82xx_setup_intr, 585 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 586 .mbx_cmd = qlcnic_82xx_issue_cmd, 587 .get_func_no = qlcnic_82xx_get_func_no, 588 .api_lock = qlcnic_82xx_api_lock, 589 .api_unlock = qlcnic_82xx_api_unlock, 590 .add_sysfs = qlcnic_82xx_add_sysfs, 591 .remove_sysfs = qlcnic_82xx_remove_sysfs, 592 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 593 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 594 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 595 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 596 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 597 .setup_link_event = qlcnic_82xx_linkevent_request, 598 .get_nic_info = qlcnic_82xx_get_nic_info, 599 .get_pci_info = qlcnic_82xx_get_pci_info, 600 .set_nic_info = qlcnic_82xx_set_nic_info, 601 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 602 .napi_enable = qlcnic_82xx_napi_enable, 603 .napi_disable = qlcnic_82xx_napi_disable, 604 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 605 .config_rss = qlcnic_82xx_config_rss, 606 .config_hw_lro = qlcnic_82xx_config_hw_lro, 607 .config_loopback = qlcnic_82xx_set_lb_mode, 608 .clear_loopback = qlcnic_82xx_clear_lb_mode, 609 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 610 .change_l2_filter = qlcnic_82xx_change_filter, 611 .get_board_info = qlcnic_82xx_get_board_info, 612 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 613 .free_mac_list = qlcnic_82xx_free_mac_list, 614 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 615 .io_error_detected = qlcnic_82xx_io_error_detected, 616 .io_slot_reset = qlcnic_82xx_io_slot_reset, 617 .io_resume = qlcnic_82xx_io_resume, 618 .get_beacon_state = qlcnic_82xx_get_beacon_state, 619 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 620 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 621 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 622 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 623 .get_saved_state = qlcnic_82xx_get_saved_state, 624 .set_saved_state = qlcnic_82xx_set_saved_state, 625 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 626 .get_cap_size = qlcnic_82xx_get_cap_size, 627 .set_sys_info = qlcnic_82xx_set_sys_info, 628 .store_cap_mask = qlcnic_82xx_store_cap_mask, 629 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 630 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 631 }; 632 633 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 634 { 635 struct qlcnic_hardware_context *ahw = adapter->ahw; 636 637 if (qlcnic_82xx_check(adapter) && 638 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 639 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 640 return 0; 641 } else { 642 return 1; 643 } 644 } 645 646 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 647 int queue_type) 648 { 649 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 650 651 if (queue_type == QLCNIC_RX_QUEUE) 652 max_rings = adapter->max_sds_rings; 653 else if (queue_type == QLCNIC_TX_QUEUE) 654 max_rings = adapter->max_tx_rings; 655 656 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 657 max_rings)); 658 659 if (ring_cnt > num_rings) 660 return num_rings; 661 else 662 return ring_cnt; 663 } 664 665 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 666 { 667 /* 83xx adapter does not have max_tx_rings intialized in probe */ 668 if (adapter->max_tx_rings) 669 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 670 QLCNIC_TX_QUEUE); 671 else 672 adapter->drv_tx_rings = tx_cnt; 673 } 674 675 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 676 { 677 /* 83xx adapter does not have max_sds_rings intialized in probe */ 678 if (adapter->max_sds_rings) 679 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 680 QLCNIC_RX_QUEUE); 681 else 682 adapter->drv_sds_rings = rx_cnt; 683 } 684 685 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 686 { 687 struct pci_dev *pdev = adapter->pdev; 688 int num_msix = 0, err = 0, vector; 689 690 adapter->flags &= ~QLCNIC_TSS_RSS; 691 692 if (adapter->drv_tss_rings > 0) 693 num_msix += adapter->drv_tss_rings; 694 else 695 num_msix += adapter->drv_tx_rings; 696 697 if (adapter->drv_rss_rings > 0) 698 num_msix += adapter->drv_rss_rings; 699 else 700 num_msix += adapter->drv_sds_rings; 701 702 if (qlcnic_83xx_check(adapter)) 703 num_msix += 1; 704 705 if (!adapter->msix_entries) { 706 adapter->msix_entries = kcalloc(num_msix, 707 sizeof(struct msix_entry), 708 GFP_KERNEL); 709 if (!adapter->msix_entries) 710 return -ENOMEM; 711 } 712 713 for (vector = 0; vector < num_msix; vector++) 714 adapter->msix_entries[vector].entry = vector; 715 716 restore: 717 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 718 if (err == -ENOSPC) { 719 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 720 return err; 721 722 netdev_info(adapter->netdev, 723 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 724 num_msix, err); 725 726 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 727 728 /* Set rings to 0 so we can restore original TSS/RSS count */ 729 adapter->drv_tss_rings = 0; 730 adapter->drv_rss_rings = 0; 731 732 if (qlcnic_83xx_check(adapter)) 733 num_msix += 1; 734 735 netdev_info(adapter->netdev, 736 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 737 adapter->drv_tx_rings, adapter->drv_sds_rings, 738 num_msix); 739 740 goto restore; 741 } else if (err < 0) { 742 return err; 743 } 744 745 adapter->ahw->num_msix = num_msix; 746 if (adapter->drv_tss_rings > 0) 747 adapter->drv_tx_rings = adapter->drv_tss_rings; 748 749 if (adapter->drv_rss_rings > 0) 750 adapter->drv_sds_rings = adapter->drv_rss_rings; 751 752 return 0; 753 } 754 755 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 756 { 757 struct pci_dev *pdev = adapter->pdev; 758 int err, vector; 759 760 if (!adapter->msix_entries) { 761 adapter->msix_entries = kcalloc(num_msix, 762 sizeof(struct msix_entry), 763 GFP_KERNEL); 764 if (!adapter->msix_entries) 765 return -ENOMEM; 766 } 767 768 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 769 770 if (adapter->ahw->msix_supported) { 771 enable_msix: 772 for (vector = 0; vector < num_msix; vector++) 773 adapter->msix_entries[vector].entry = vector; 774 775 err = pci_enable_msix_range(pdev, 776 adapter->msix_entries, 1, num_msix); 777 778 if (err == num_msix) { 779 adapter->flags |= QLCNIC_MSIX_ENABLED; 780 adapter->ahw->num_msix = num_msix; 781 dev_info(&pdev->dev, "using msi-x interrupts\n"); 782 return 0; 783 } else if (err > 0) { 784 pci_disable_msix(pdev); 785 786 dev_info(&pdev->dev, 787 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 788 num_msix, err); 789 790 if (qlcnic_82xx_check(adapter)) { 791 num_msix = rounddown_pow_of_two(err); 792 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 793 return -ENOSPC; 794 } else { 795 num_msix = rounddown_pow_of_two(err - 1); 796 num_msix += 1; 797 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 798 return -ENOSPC; 799 } 800 801 if (qlcnic_82xx_check(adapter) && 802 !qlcnic_check_multi_tx(adapter)) { 803 adapter->drv_sds_rings = num_msix; 804 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 805 } else { 806 /* Distribute vectors equally */ 807 adapter->drv_tx_rings = num_msix / 2; 808 adapter->drv_sds_rings = adapter->drv_tx_rings; 809 } 810 811 if (num_msix) { 812 dev_info(&pdev->dev, 813 "Trying to allocate %d MSI-X interrupt vectors\n", 814 num_msix); 815 goto enable_msix; 816 } 817 } else { 818 dev_info(&pdev->dev, 819 "Unable to allocate %d MSI-X vectors, err=%d\n", 820 num_msix, err); 821 return err; 822 } 823 } 824 825 return -EIO; 826 } 827 828 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 829 { 830 int num_msix; 831 832 num_msix = adapter->drv_sds_rings; 833 834 if (qlcnic_check_multi_tx(adapter)) 835 num_msix += adapter->drv_tx_rings; 836 else 837 num_msix += QLCNIC_SINGLE_RING; 838 839 return num_msix; 840 } 841 842 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 843 { 844 int err = 0; 845 u32 offset, mask_reg; 846 const struct qlcnic_legacy_intr_set *legacy_intrp; 847 struct qlcnic_hardware_context *ahw = adapter->ahw; 848 struct pci_dev *pdev = adapter->pdev; 849 850 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 851 adapter->flags |= QLCNIC_MSI_ENABLED; 852 offset = msi_tgt_status[adapter->ahw->pci_func]; 853 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 854 offset); 855 dev_info(&pdev->dev, "using msi interrupts\n"); 856 adapter->msix_entries[0].vector = pdev->irq; 857 return err; 858 } 859 860 if (qlcnic_use_msi || qlcnic_use_msi_x) 861 return -EOPNOTSUPP; 862 863 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 864 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 865 offset = legacy_intrp->tgt_status_reg; 866 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 867 mask_reg = legacy_intrp->tgt_mask_reg; 868 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 869 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 870 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 871 dev_info(&pdev->dev, "using legacy interrupts\n"); 872 adapter->msix_entries[0].vector = pdev->irq; 873 return err; 874 } 875 876 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 877 { 878 int num_msix, err = 0; 879 880 if (adapter->flags & QLCNIC_TSS_RSS) { 881 err = qlcnic_setup_tss_rss_intr(adapter); 882 if (err < 0) 883 return err; 884 num_msix = adapter->ahw->num_msix; 885 } else { 886 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 887 888 err = qlcnic_enable_msix(adapter, num_msix); 889 if (err == -ENOMEM) 890 return err; 891 892 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 893 qlcnic_disable_multi_tx(adapter); 894 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 895 896 err = qlcnic_enable_msi_legacy(adapter); 897 if (err) 898 return err; 899 } 900 } 901 902 return 0; 903 } 904 905 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 906 { 907 struct qlcnic_hardware_context *ahw = adapter->ahw; 908 int err, i; 909 910 if (qlcnic_check_multi_tx(adapter) && 911 !ahw->diag_test && 912 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 913 ahw->intr_tbl = 914 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 915 ahw->num_msix)); 916 if (!ahw->intr_tbl) 917 return -ENOMEM; 918 919 for (i = 0; i < ahw->num_msix; i++) { 920 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 921 ahw->intr_tbl[i].id = i; 922 ahw->intr_tbl[i].src = 0; 923 } 924 925 err = qlcnic_82xx_config_intrpt(adapter, 1); 926 if (err) 927 dev_err(&adapter->pdev->dev, 928 "Failed to configure Interrupt for %d vector\n", 929 ahw->num_msix); 930 return err; 931 } 932 933 return 0; 934 } 935 936 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 937 { 938 if (adapter->flags & QLCNIC_MSIX_ENABLED) 939 pci_disable_msix(adapter->pdev); 940 if (adapter->flags & QLCNIC_MSI_ENABLED) 941 pci_disable_msi(adapter->pdev); 942 943 kfree(adapter->msix_entries); 944 adapter->msix_entries = NULL; 945 946 if (adapter->ahw->intr_tbl) { 947 vfree(adapter->ahw->intr_tbl); 948 adapter->ahw->intr_tbl = NULL; 949 } 950 } 951 952 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 953 { 954 if (ahw->pci_base0 != NULL) 955 iounmap(ahw->pci_base0); 956 } 957 958 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 959 { 960 struct qlcnic_hardware_context *ahw = adapter->ahw; 961 struct qlcnic_pci_info *pci_info; 962 int ret; 963 964 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 965 switch (ahw->port_type) { 966 case QLCNIC_GBE: 967 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 968 break; 969 case QLCNIC_XGBE: 970 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 971 break; 972 } 973 return 0; 974 } 975 976 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 977 return 0; 978 979 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 980 if (!pci_info) 981 return -ENOMEM; 982 983 ret = qlcnic_get_pci_info(adapter, pci_info); 984 kfree(pci_info); 985 return ret; 986 } 987 988 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 989 { 990 bool ret = false; 991 992 if (qlcnic_84xx_check(adapter)) { 993 ret = true; 994 } else if (qlcnic_83xx_check(adapter)) { 995 if (adapter->ahw->extra_capability[0] & 996 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 997 ret = true; 998 else 999 ret = false; 1000 } 1001 1002 return ret; 1003 } 1004 1005 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1006 { 1007 struct qlcnic_hardware_context *ahw = adapter->ahw; 1008 struct qlcnic_pci_info *pci_info; 1009 int i, id = 0, ret = 0, j = 0; 1010 u16 act_pci_func; 1011 u8 pfn; 1012 1013 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1014 if (!pci_info) 1015 return -ENOMEM; 1016 1017 ret = qlcnic_get_pci_info(adapter, pci_info); 1018 if (ret) 1019 goto err_pci_info; 1020 1021 act_pci_func = ahw->total_nic_func; 1022 1023 adapter->npars = kcalloc(act_pci_func, 1024 sizeof(struct qlcnic_npar_info), 1025 GFP_KERNEL); 1026 if (!adapter->npars) { 1027 ret = -ENOMEM; 1028 goto err_pci_info; 1029 } 1030 1031 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1032 sizeof(struct qlcnic_eswitch), 1033 GFP_KERNEL); 1034 if (!adapter->eswitch) { 1035 ret = -ENOMEM; 1036 goto err_npars; 1037 } 1038 1039 for (i = 0; i < ahw->max_vnic_func; i++) { 1040 pfn = pci_info[i].id; 1041 1042 if (pfn >= ahw->max_vnic_func) { 1043 ret = -EINVAL; 1044 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1045 __func__, pfn, ahw->max_vnic_func); 1046 goto err_eswitch; 1047 } 1048 1049 if (!pci_info[i].active || 1050 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1051 continue; 1052 1053 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1054 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1055 &id)) 1056 adapter->npars[j].eswitch_status = true; 1057 else 1058 continue; 1059 } else { 1060 adapter->npars[j].eswitch_status = true; 1061 } 1062 1063 adapter->npars[j].pci_func = pfn; 1064 adapter->npars[j].active = (u8)pci_info[i].active; 1065 adapter->npars[j].type = (u8)pci_info[i].type; 1066 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1067 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1068 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1069 1070 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1071 j++; 1072 } 1073 1074 /* Update eSwitch status for adapters without per port eSwitch 1075 * configuration capability 1076 */ 1077 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1078 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1079 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1080 } 1081 1082 kfree(pci_info); 1083 return 0; 1084 1085 err_eswitch: 1086 kfree(adapter->eswitch); 1087 adapter->eswitch = NULL; 1088 err_npars: 1089 kfree(adapter->npars); 1090 adapter->npars = NULL; 1091 err_pci_info: 1092 kfree(pci_info); 1093 1094 return ret; 1095 } 1096 1097 static int 1098 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1099 { 1100 u8 id; 1101 int ret; 1102 u32 data = QLCNIC_MGMT_FUNC; 1103 struct qlcnic_hardware_context *ahw = adapter->ahw; 1104 1105 ret = qlcnic_api_lock(adapter); 1106 if (ret) 1107 goto err_lock; 1108 1109 id = ahw->pci_func; 1110 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1111 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1112 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1113 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1114 qlcnic_api_unlock(adapter); 1115 err_lock: 1116 return ret; 1117 } 1118 1119 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1120 const struct pci_device_id *ent) 1121 { 1122 u32 op_mode, priv_level; 1123 1124 /* Determine FW API version */ 1125 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1126 QLCNIC_FW_API); 1127 1128 /* Find PCI function number */ 1129 qlcnic_get_func_no(adapter); 1130 1131 /* Determine function privilege level */ 1132 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1133 if (op_mode == QLC_DEV_DRV_DEFAULT) 1134 priv_level = QLCNIC_MGMT_FUNC; 1135 else 1136 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1137 1138 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1139 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1140 dev_info(&adapter->pdev->dev, 1141 "HAL Version: %d Non Privileged function\n", 1142 adapter->ahw->fw_hal_version); 1143 adapter->nic_ops = &qlcnic_vf_ops; 1144 } else 1145 adapter->nic_ops = &qlcnic_ops; 1146 } 1147 1148 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1149 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1150 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1151 { 1152 switch (dev_id) { 1153 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1154 *bar = QLCNIC_82XX_BAR0_LENGTH; 1155 break; 1156 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1157 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1158 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1159 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1162 *bar = QLCNIC_83XX_BAR0_LENGTH; 1163 break; 1164 default: 1165 *bar = 0; 1166 } 1167 } 1168 1169 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1170 struct qlcnic_hardware_context *ahw) 1171 { 1172 u32 offset; 1173 void __iomem *mem_ptr0 = NULL; 1174 unsigned long mem_len, pci_len0 = 0, bar0_len; 1175 1176 /* remap phys address */ 1177 mem_len = pci_resource_len(pdev, 0); 1178 1179 qlcnic_get_bar_length(pdev->device, &bar0_len); 1180 if (mem_len >= bar0_len) { 1181 1182 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1183 if (mem_ptr0 == NULL) { 1184 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1185 return -EIO; 1186 } 1187 pci_len0 = mem_len; 1188 } else { 1189 return -EIO; 1190 } 1191 1192 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1193 1194 ahw->pci_base0 = mem_ptr0; 1195 ahw->pci_len0 = pci_len0; 1196 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1197 qlcnic_get_ioaddr(ahw, offset); 1198 1199 return 0; 1200 } 1201 1202 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1203 int index) 1204 { 1205 struct pci_dev *pdev = adapter->pdev; 1206 unsigned short subsystem_vendor; 1207 bool ret = true; 1208 1209 subsystem_vendor = pdev->subsystem_vendor; 1210 1211 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1212 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1213 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1214 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1215 ret = true; 1216 else 1217 ret = false; 1218 } 1219 1220 return ret; 1221 } 1222 1223 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1224 { 1225 struct pci_dev *pdev = adapter->pdev; 1226 int i, found = 0; 1227 1228 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1229 if (qlcnic_boards[i].vendor == pdev->vendor && 1230 qlcnic_boards[i].device == pdev->device && 1231 qlcnic_validate_subsystem_id(adapter, i)) { 1232 found = 1; 1233 break; 1234 } 1235 } 1236 1237 if (!found) 1238 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1239 else 1240 sprintf(name, "%pM: %s" , adapter->mac_addr, 1241 qlcnic_boards[i].short_name); 1242 } 1243 1244 static void 1245 qlcnic_check_options(struct qlcnic_adapter *adapter) 1246 { 1247 int err; 1248 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1249 struct pci_dev *pdev = adapter->pdev; 1250 struct qlcnic_hardware_context *ahw = adapter->ahw; 1251 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1252 1253 prev_fw_version = adapter->fw_version; 1254 1255 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1256 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1257 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1258 1259 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1260 1261 err = qlcnic_get_board_info(adapter); 1262 if (err) { 1263 dev_err(&pdev->dev, "Error getting board config info.\n"); 1264 return; 1265 } 1266 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1267 if (fw_dump->tmpl_hdr == NULL || 1268 adapter->fw_version > prev_fw_version) { 1269 vfree(fw_dump->tmpl_hdr); 1270 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1271 dev_info(&pdev->dev, 1272 "Supports FW dump capability\n"); 1273 } 1274 } 1275 1276 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1277 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1278 1279 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1280 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1281 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1282 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1283 } else { 1284 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1286 } 1287 1288 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1289 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1290 1291 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1292 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1293 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1294 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1295 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1296 } 1297 1298 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1299 1300 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1301 1302 adapter->max_rds_rings = MAX_RDS_RINGS; 1303 } 1304 1305 static int 1306 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1307 { 1308 struct qlcnic_info nic_info; 1309 int err = 0; 1310 1311 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1312 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1313 if (err) 1314 return err; 1315 1316 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1317 adapter->ahw->switch_mode = nic_info.switch_mode; 1318 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1319 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1320 adapter->ahw->capabilities = nic_info.capabilities; 1321 1322 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1323 u32 temp; 1324 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1325 if (err == -EIO) 1326 return err; 1327 adapter->ahw->extra_capability[0] = temp; 1328 } else { 1329 adapter->ahw->extra_capability[0] = 0; 1330 } 1331 1332 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1333 adapter->ahw->max_mtu = nic_info.max_mtu; 1334 1335 if (adapter->ahw->capabilities & BIT_6) { 1336 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1337 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1338 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1339 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1340 1341 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1342 } else { 1343 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1344 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1345 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1346 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1347 } 1348 1349 return err; 1350 } 1351 1352 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1353 struct qlcnic_esw_func_cfg *esw_cfg) 1354 { 1355 if (esw_cfg->discard_tagged) 1356 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1357 else 1358 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1359 1360 if (esw_cfg->vlan_id) { 1361 adapter->rx_pvid = esw_cfg->vlan_id; 1362 adapter->tx_pvid = esw_cfg->vlan_id; 1363 } else { 1364 adapter->rx_pvid = 0; 1365 adapter->tx_pvid = 0; 1366 } 1367 } 1368 1369 static int 1370 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1371 { 1372 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1373 int err; 1374 1375 if (qlcnic_sriov_vf_check(adapter)) { 1376 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1377 if (err) { 1378 netdev_err(netdev, 1379 "Cannot add VLAN filter for VLAN id %d, err=%d", 1380 vid, err); 1381 return err; 1382 } 1383 } 1384 1385 set_bit(vid, adapter->vlans); 1386 return 0; 1387 } 1388 1389 static int 1390 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1391 { 1392 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1393 int err; 1394 1395 if (qlcnic_sriov_vf_check(adapter)) { 1396 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1397 if (err) { 1398 netdev_err(netdev, 1399 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1400 vid, err); 1401 return err; 1402 } 1403 } 1404 1405 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1406 clear_bit(vid, adapter->vlans); 1407 return 0; 1408 } 1409 1410 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1411 struct qlcnic_esw_func_cfg *esw_cfg) 1412 { 1413 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1414 QLCNIC_PROMISC_DISABLED); 1415 1416 if (esw_cfg->mac_anti_spoof) 1417 adapter->flags |= QLCNIC_MACSPOOF; 1418 1419 if (!esw_cfg->mac_override) 1420 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1421 1422 if (!esw_cfg->promisc_mode) 1423 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1424 } 1425 1426 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1427 { 1428 struct qlcnic_esw_func_cfg esw_cfg; 1429 1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1431 return 0; 1432 1433 esw_cfg.pci_func = adapter->ahw->pci_func; 1434 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1435 return -EIO; 1436 qlcnic_set_vlan_config(adapter, &esw_cfg); 1437 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1438 qlcnic_set_netdev_features(adapter, &esw_cfg); 1439 1440 return 0; 1441 } 1442 1443 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1444 struct qlcnic_esw_func_cfg *esw_cfg) 1445 { 1446 struct net_device *netdev = adapter->netdev; 1447 1448 if (qlcnic_83xx_check(adapter)) 1449 return; 1450 1451 adapter->offload_flags = esw_cfg->offload_flags; 1452 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1453 netdev_update_features(netdev); 1454 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1455 } 1456 1457 static int 1458 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1459 { 1460 u32 op_mode, priv_level; 1461 int err = 0; 1462 1463 err = qlcnic_initialize_nic(adapter); 1464 if (err) 1465 return err; 1466 1467 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1468 return 0; 1469 1470 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1471 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1472 1473 if (op_mode == QLC_DEV_DRV_DEFAULT) 1474 priv_level = QLCNIC_MGMT_FUNC; 1475 else 1476 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1477 1478 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1479 if (priv_level == QLCNIC_MGMT_FUNC) { 1480 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1481 err = qlcnic_init_pci_info(adapter); 1482 if (err) 1483 return err; 1484 /* Set privilege level for other functions */ 1485 qlcnic_set_function_modes(adapter); 1486 dev_info(&adapter->pdev->dev, 1487 "HAL Version: %d, Management function\n", 1488 adapter->ahw->fw_hal_version); 1489 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1490 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1491 dev_info(&adapter->pdev->dev, 1492 "HAL Version: %d, Privileged function\n", 1493 adapter->ahw->fw_hal_version); 1494 } 1495 } else { 1496 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1497 } 1498 1499 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1500 1501 return err; 1502 } 1503 1504 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1505 { 1506 struct qlcnic_esw_func_cfg esw_cfg; 1507 struct qlcnic_npar_info *npar; 1508 u8 i; 1509 1510 if (adapter->need_fw_reset) 1511 return 0; 1512 1513 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1514 if (!adapter->npars[i].eswitch_status) 1515 continue; 1516 1517 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1518 esw_cfg.pci_func = adapter->npars[i].pci_func; 1519 esw_cfg.mac_override = BIT_0; 1520 esw_cfg.promisc_mode = BIT_0; 1521 if (qlcnic_82xx_check(adapter)) { 1522 esw_cfg.offload_flags = BIT_0; 1523 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1524 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1525 } 1526 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1527 return -EIO; 1528 npar = &adapter->npars[i]; 1529 npar->pvid = esw_cfg.vlan_id; 1530 npar->mac_override = esw_cfg.mac_override; 1531 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1532 npar->discard_tagged = esw_cfg.discard_tagged; 1533 npar->promisc_mode = esw_cfg.promisc_mode; 1534 npar->offload_flags = esw_cfg.offload_flags; 1535 } 1536 1537 return 0; 1538 } 1539 1540 1541 static int 1542 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1543 struct qlcnic_npar_info *npar, int pci_func) 1544 { 1545 struct qlcnic_esw_func_cfg esw_cfg; 1546 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1547 esw_cfg.pci_func = pci_func; 1548 esw_cfg.vlan_id = npar->pvid; 1549 esw_cfg.mac_override = npar->mac_override; 1550 esw_cfg.discard_tagged = npar->discard_tagged; 1551 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1552 esw_cfg.offload_flags = npar->offload_flags; 1553 esw_cfg.promisc_mode = npar->promisc_mode; 1554 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1555 return -EIO; 1556 1557 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1558 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1559 return -EIO; 1560 1561 return 0; 1562 } 1563 1564 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1565 { 1566 int i, err; 1567 struct qlcnic_npar_info *npar; 1568 struct qlcnic_info nic_info; 1569 u8 pci_func; 1570 1571 if (qlcnic_82xx_check(adapter)) 1572 if (!adapter->need_fw_reset) 1573 return 0; 1574 1575 /* Set the NPAR config data after FW reset */ 1576 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1577 npar = &adapter->npars[i]; 1578 pci_func = npar->pci_func; 1579 if (!adapter->npars[i].eswitch_status) 1580 continue; 1581 1582 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1583 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1584 if (err) 1585 return err; 1586 nic_info.min_tx_bw = npar->min_bw; 1587 nic_info.max_tx_bw = npar->max_bw; 1588 err = qlcnic_set_nic_info(adapter, &nic_info); 1589 if (err) 1590 return err; 1591 1592 if (npar->enable_pm) { 1593 err = qlcnic_config_port_mirroring(adapter, 1594 npar->dest_npar, 1, 1595 pci_func); 1596 if (err) 1597 return err; 1598 } 1599 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1600 if (err) 1601 return err; 1602 } 1603 return 0; 1604 } 1605 1606 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1607 { 1608 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1609 u32 npar_state; 1610 1611 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1612 return 0; 1613 1614 npar_state = QLC_SHARED_REG_RD32(adapter, 1615 QLCNIC_CRB_DEV_NPAR_STATE); 1616 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1617 msleep(1000); 1618 npar_state = QLC_SHARED_REG_RD32(adapter, 1619 QLCNIC_CRB_DEV_NPAR_STATE); 1620 } 1621 if (!npar_opt_timeo) { 1622 dev_err(&adapter->pdev->dev, 1623 "Waiting for NPAR state to operational timeout\n"); 1624 return -EIO; 1625 } 1626 return 0; 1627 } 1628 1629 static int 1630 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1631 { 1632 int err; 1633 1634 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1635 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1636 return 0; 1637 1638 err = qlcnic_set_default_offload_settings(adapter); 1639 if (err) 1640 return err; 1641 1642 err = qlcnic_reset_npar_config(adapter); 1643 if (err) 1644 return err; 1645 1646 qlcnic_dev_set_npar_ready(adapter); 1647 1648 return err; 1649 } 1650 1651 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1652 { 1653 int err; 1654 1655 err = qlcnic_can_start_firmware(adapter); 1656 if (err < 0) 1657 return err; 1658 else if (!err) 1659 goto check_fw_status; 1660 1661 if (qlcnic_load_fw_file) 1662 qlcnic_request_firmware(adapter); 1663 else { 1664 err = qlcnic_check_flash_fw_ver(adapter); 1665 if (err) 1666 goto err_out; 1667 1668 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1669 } 1670 1671 err = qlcnic_need_fw_reset(adapter); 1672 if (err == 0) 1673 goto check_fw_status; 1674 1675 err = qlcnic_pinit_from_rom(adapter); 1676 if (err) 1677 goto err_out; 1678 1679 err = qlcnic_load_firmware(adapter); 1680 if (err) 1681 goto err_out; 1682 1683 qlcnic_release_firmware(adapter); 1684 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1685 1686 check_fw_status: 1687 err = qlcnic_check_fw_status(adapter); 1688 if (err) 1689 goto err_out; 1690 1691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1692 qlcnic_idc_debug_info(adapter, 1); 1693 err = qlcnic_check_eswitch_mode(adapter); 1694 if (err) { 1695 dev_err(&adapter->pdev->dev, 1696 "Memory allocation failed for eswitch\n"); 1697 goto err_out; 1698 } 1699 err = qlcnic_set_mgmt_operations(adapter); 1700 if (err) 1701 goto err_out; 1702 1703 qlcnic_check_options(adapter); 1704 adapter->need_fw_reset = 0; 1705 1706 qlcnic_release_firmware(adapter); 1707 return 0; 1708 1709 err_out: 1710 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1711 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1712 1713 qlcnic_release_firmware(adapter); 1714 return err; 1715 } 1716 1717 static int 1718 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1719 { 1720 irq_handler_t handler; 1721 struct qlcnic_host_sds_ring *sds_ring; 1722 struct qlcnic_host_tx_ring *tx_ring; 1723 int err, ring, num_sds_rings; 1724 1725 unsigned long flags = 0; 1726 struct net_device *netdev = adapter->netdev; 1727 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1728 1729 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1730 if (qlcnic_82xx_check(adapter)) 1731 handler = qlcnic_tmp_intr; 1732 else 1733 handler = qlcnic_83xx_tmp_intr; 1734 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1735 flags |= IRQF_SHARED; 1736 1737 } else { 1738 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1739 handler = qlcnic_msix_intr; 1740 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1741 handler = qlcnic_msi_intr; 1742 else { 1743 flags |= IRQF_SHARED; 1744 if (qlcnic_82xx_check(adapter)) 1745 handler = qlcnic_intr; 1746 else 1747 handler = qlcnic_83xx_intr; 1748 } 1749 } 1750 adapter->irq = netdev->irq; 1751 1752 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1753 if (qlcnic_82xx_check(adapter) || 1754 (qlcnic_83xx_check(adapter) && 1755 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1756 num_sds_rings = adapter->drv_sds_rings; 1757 for (ring = 0; ring < num_sds_rings; ring++) { 1758 sds_ring = &recv_ctx->sds_rings[ring]; 1759 if (qlcnic_82xx_check(adapter) && 1760 !qlcnic_check_multi_tx(adapter) && 1761 (ring == (num_sds_rings - 1))) { 1762 if (!(adapter->flags & 1763 QLCNIC_MSIX_ENABLED)) 1764 snprintf(sds_ring->name, 1765 sizeof(sds_ring->name), 1766 "qlcnic"); 1767 else 1768 snprintf(sds_ring->name, 1769 sizeof(sds_ring->name), 1770 "%s-tx-0-rx-%d", 1771 netdev->name, ring); 1772 } else { 1773 snprintf(sds_ring->name, 1774 sizeof(sds_ring->name), 1775 "%s-rx-%d", 1776 netdev->name, ring); 1777 } 1778 err = request_irq(sds_ring->irq, handler, flags, 1779 sds_ring->name, sds_ring); 1780 if (err) 1781 return err; 1782 } 1783 } 1784 if ((qlcnic_82xx_check(adapter) && 1785 qlcnic_check_multi_tx(adapter)) || 1786 (qlcnic_83xx_check(adapter) && 1787 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1788 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1789 handler = qlcnic_msix_tx_intr; 1790 for (ring = 0; ring < adapter->drv_tx_rings; 1791 ring++) { 1792 tx_ring = &adapter->tx_ring[ring]; 1793 snprintf(tx_ring->name, sizeof(tx_ring->name), 1794 "%s-tx-%d", netdev->name, ring); 1795 err = request_irq(tx_ring->irq, handler, flags, 1796 tx_ring->name, tx_ring); 1797 if (err) 1798 return err; 1799 } 1800 } 1801 } 1802 return 0; 1803 } 1804 1805 static void 1806 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1807 { 1808 int ring; 1809 struct qlcnic_host_sds_ring *sds_ring; 1810 struct qlcnic_host_tx_ring *tx_ring; 1811 1812 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1813 1814 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1815 if (qlcnic_82xx_check(adapter) || 1816 (qlcnic_83xx_check(adapter) && 1817 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1818 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1819 sds_ring = &recv_ctx->sds_rings[ring]; 1820 free_irq(sds_ring->irq, sds_ring); 1821 } 1822 } 1823 if ((qlcnic_83xx_check(adapter) && 1824 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1825 (qlcnic_82xx_check(adapter) && 1826 qlcnic_check_multi_tx(adapter))) { 1827 for (ring = 0; ring < adapter->drv_tx_rings; 1828 ring++) { 1829 tx_ring = &adapter->tx_ring[ring]; 1830 if (tx_ring->irq) 1831 free_irq(tx_ring->irq, tx_ring); 1832 } 1833 } 1834 } 1835 } 1836 1837 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1838 { 1839 u32 capab = 0; 1840 1841 if (qlcnic_82xx_check(adapter)) { 1842 if (adapter->ahw->extra_capability[0] & 1843 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1844 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1845 } else { 1846 capab = adapter->ahw->capabilities; 1847 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1848 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1849 } 1850 } 1851 1852 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1853 { 1854 struct qlcnic_hardware_context *ahw = adapter->ahw; 1855 int err; 1856 1857 /* Initialize interrupt coalesce parameters */ 1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1859 1860 if (qlcnic_83xx_check(adapter)) { 1861 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1862 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1863 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1864 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1865 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1866 1867 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1868 } else { 1869 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1870 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1871 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1872 1873 err = qlcnic_82xx_set_rx_coalesce(adapter); 1874 } 1875 1876 return err; 1877 } 1878 1879 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1880 { 1881 int ring; 1882 struct qlcnic_host_rds_ring *rds_ring; 1883 1884 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1885 return -EIO; 1886 1887 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1888 return 0; 1889 1890 if (qlcnic_set_eswitch_port_config(adapter)) 1891 return -EIO; 1892 1893 qlcnic_get_lro_mss_capability(adapter); 1894 1895 if (qlcnic_fw_create_ctx(adapter)) 1896 return -EIO; 1897 1898 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1899 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1900 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1901 } 1902 1903 qlcnic_set_multi(netdev); 1904 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1905 1906 adapter->ahw->linkup = 0; 1907 1908 if (adapter->drv_sds_rings > 1) 1909 qlcnic_config_rss(adapter, 1); 1910 1911 qlcnic_config_def_intr_coalesce(adapter); 1912 1913 if (netdev->features & NETIF_F_LRO) 1914 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1915 1916 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1917 qlcnic_napi_enable(adapter); 1918 1919 qlcnic_linkevent_request(adapter, 1); 1920 1921 adapter->ahw->reset_context = 0; 1922 netif_tx_start_all_queues(netdev); 1923 return 0; 1924 } 1925 1926 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1927 { 1928 int err = 0; 1929 1930 rtnl_lock(); 1931 if (netif_running(netdev)) 1932 err = __qlcnic_up(adapter, netdev); 1933 rtnl_unlock(); 1934 1935 return err; 1936 } 1937 1938 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1939 { 1940 int ring; 1941 1942 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1943 return; 1944 1945 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1946 return; 1947 1948 smp_mb(); 1949 netif_carrier_off(netdev); 1950 adapter->ahw->linkup = 0; 1951 netif_tx_disable(netdev); 1952 1953 qlcnic_free_mac_list(adapter); 1954 1955 if (adapter->fhash.fnum) 1956 qlcnic_delete_lb_filters(adapter); 1957 1958 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1959 if (qlcnic_sriov_vf_check(adapter)) 1960 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1961 1962 qlcnic_napi_disable(adapter); 1963 1964 qlcnic_fw_destroy_ctx(adapter); 1965 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1966 1967 qlcnic_reset_rx_buffers_list(adapter); 1968 1969 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1970 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1971 } 1972 1973 /* Usage: During suspend and firmware recovery module */ 1974 1975 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1976 { 1977 rtnl_lock(); 1978 if (netif_running(netdev)) 1979 __qlcnic_down(adapter, netdev); 1980 rtnl_unlock(); 1981 1982 } 1983 1984 int 1985 qlcnic_attach(struct qlcnic_adapter *adapter) 1986 { 1987 struct net_device *netdev = adapter->netdev; 1988 struct pci_dev *pdev = adapter->pdev; 1989 int err; 1990 1991 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1992 return 0; 1993 1994 err = qlcnic_napi_add(adapter, netdev); 1995 if (err) 1996 return err; 1997 1998 err = qlcnic_alloc_sw_resources(adapter); 1999 if (err) { 2000 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2001 goto err_out_napi_del; 2002 } 2003 2004 err = qlcnic_alloc_hw_resources(adapter); 2005 if (err) { 2006 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2007 goto err_out_free_sw; 2008 } 2009 2010 err = qlcnic_request_irq(adapter); 2011 if (err) { 2012 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2013 goto err_out_free_hw; 2014 } 2015 2016 qlcnic_create_sysfs_entries(adapter); 2017 2018 if (qlcnic_encap_rx_offload(adapter)) 2019 udp_tunnel_get_rx_info(netdev); 2020 2021 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2022 return 0; 2023 2024 err_out_free_hw: 2025 qlcnic_free_hw_resources(adapter); 2026 err_out_free_sw: 2027 qlcnic_free_sw_resources(adapter); 2028 err_out_napi_del: 2029 qlcnic_napi_del(adapter); 2030 return err; 2031 } 2032 2033 void qlcnic_detach(struct qlcnic_adapter *adapter) 2034 { 2035 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2036 return; 2037 2038 qlcnic_remove_sysfs_entries(adapter); 2039 2040 qlcnic_free_hw_resources(adapter); 2041 qlcnic_release_rx_buffers(adapter); 2042 qlcnic_free_irq(adapter); 2043 qlcnic_napi_del(adapter); 2044 qlcnic_free_sw_resources(adapter); 2045 2046 adapter->is_up = 0; 2047 } 2048 2049 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2050 { 2051 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2052 struct qlcnic_host_sds_ring *sds_ring; 2053 int drv_tx_rings = adapter->drv_tx_rings; 2054 int ring; 2055 2056 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2057 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2058 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2059 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2060 qlcnic_disable_sds_intr(adapter, sds_ring); 2061 } 2062 } 2063 2064 qlcnic_fw_destroy_ctx(adapter); 2065 2066 qlcnic_detach(adapter); 2067 2068 adapter->ahw->diag_test = 0; 2069 adapter->drv_sds_rings = drv_sds_rings; 2070 adapter->drv_tx_rings = drv_tx_rings; 2071 2072 if (qlcnic_attach(adapter)) 2073 goto out; 2074 2075 if (netif_running(netdev)) 2076 __qlcnic_up(adapter, netdev); 2077 out: 2078 netif_device_attach(netdev); 2079 } 2080 2081 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2082 { 2083 struct qlcnic_hardware_context *ahw = adapter->ahw; 2084 int err = 0; 2085 2086 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2087 GFP_KERNEL); 2088 if (!adapter->recv_ctx) { 2089 err = -ENOMEM; 2090 goto err_out; 2091 } 2092 2093 if (qlcnic_83xx_check(adapter)) { 2094 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2095 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2096 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2097 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2098 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2099 } else { 2100 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2101 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2102 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2103 } 2104 2105 /* clear stats */ 2106 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2107 err_out: 2108 return err; 2109 } 2110 2111 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2112 { 2113 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2114 2115 kfree(adapter->recv_ctx); 2116 adapter->recv_ctx = NULL; 2117 2118 if (fw_dump->tmpl_hdr) { 2119 vfree(fw_dump->tmpl_hdr); 2120 fw_dump->tmpl_hdr = NULL; 2121 } 2122 2123 if (fw_dump->dma_buffer) { 2124 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2125 fw_dump->dma_buffer, fw_dump->phys_addr); 2126 fw_dump->dma_buffer = NULL; 2127 } 2128 2129 kfree(adapter->ahw->reset.buff); 2130 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2131 } 2132 2133 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2134 { 2135 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2136 struct qlcnic_host_sds_ring *sds_ring; 2137 struct qlcnic_host_rds_ring *rds_ring; 2138 int ring; 2139 int ret; 2140 2141 netif_device_detach(netdev); 2142 2143 if (netif_running(netdev)) 2144 __qlcnic_down(adapter, netdev); 2145 2146 qlcnic_detach(adapter); 2147 2148 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2149 adapter->ahw->diag_test = test; 2150 adapter->ahw->linkup = 0; 2151 2152 ret = qlcnic_attach(adapter); 2153 if (ret) { 2154 netif_device_attach(netdev); 2155 return ret; 2156 } 2157 2158 ret = qlcnic_fw_create_ctx(adapter); 2159 if (ret) { 2160 qlcnic_detach(adapter); 2161 netif_device_attach(netdev); 2162 return ret; 2163 } 2164 2165 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2166 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2167 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2168 } 2169 2170 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2171 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2172 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2173 qlcnic_enable_sds_intr(adapter, sds_ring); 2174 } 2175 } 2176 2177 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2178 adapter->ahw->loopback_state = 0; 2179 qlcnic_linkevent_request(adapter, 1); 2180 } 2181 2182 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2183 2184 return 0; 2185 } 2186 2187 /* Reset context in hardware only */ 2188 static int 2189 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2190 { 2191 struct net_device *netdev = adapter->netdev; 2192 2193 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2194 return -EBUSY; 2195 2196 netif_device_detach(netdev); 2197 2198 qlcnic_down(adapter, netdev); 2199 2200 qlcnic_up(adapter, netdev); 2201 2202 netif_device_attach(netdev); 2203 2204 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2205 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2206 return 0; 2207 } 2208 2209 int 2210 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2211 { 2212 int err = 0; 2213 struct net_device *netdev = adapter->netdev; 2214 2215 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2216 return -EBUSY; 2217 2218 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2219 2220 netif_device_detach(netdev); 2221 2222 if (netif_running(netdev)) 2223 __qlcnic_down(adapter, netdev); 2224 2225 qlcnic_detach(adapter); 2226 2227 if (netif_running(netdev)) { 2228 err = qlcnic_attach(adapter); 2229 if (!err) { 2230 __qlcnic_up(adapter, netdev); 2231 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2232 } 2233 } 2234 2235 netif_device_attach(netdev); 2236 } 2237 2238 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2239 return err; 2240 } 2241 2242 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2243 { 2244 struct qlcnic_hardware_context *ahw = adapter->ahw; 2245 u16 act_pci_fn = ahw->total_nic_func; 2246 u16 count; 2247 2248 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2249 if (act_pci_fn <= 2) 2250 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2251 act_pci_fn; 2252 else 2253 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2254 act_pci_fn; 2255 ahw->max_uc_count = count; 2256 } 2257 2258 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2259 u8 tx_queues, u8 rx_queues) 2260 { 2261 struct net_device *netdev = adapter->netdev; 2262 int err = 0; 2263 2264 if (tx_queues) { 2265 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2266 if (err) { 2267 netdev_err(netdev, "failed to set %d Tx queues\n", 2268 tx_queues); 2269 return err; 2270 } 2271 } 2272 2273 if (rx_queues) { 2274 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2275 if (err) 2276 netdev_err(netdev, "failed to set %d Rx queues\n", 2277 rx_queues); 2278 } 2279 2280 return err; 2281 } 2282 2283 int 2284 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2285 int pci_using_dac) 2286 { 2287 int err; 2288 struct pci_dev *pdev = adapter->pdev; 2289 2290 adapter->rx_csum = 1; 2291 adapter->ahw->mc_enabled = 0; 2292 qlcnic_set_mac_filter_count(adapter); 2293 2294 netdev->netdev_ops = &qlcnic_netdev_ops; 2295 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2296 2297 qlcnic_change_mtu(netdev, netdev->mtu); 2298 2299 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2300 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2301 2302 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2303 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2304 NETIF_F_HW_VLAN_CTAG_RX); 2305 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2306 NETIF_F_IPV6_CSUM); 2307 2308 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2309 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2310 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2311 } 2312 2313 if (pci_using_dac) { 2314 netdev->features |= NETIF_F_HIGHDMA; 2315 netdev->vlan_features |= NETIF_F_HIGHDMA; 2316 } 2317 2318 if (qlcnic_vlan_tx_check(adapter)) 2319 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2320 2321 if (qlcnic_sriov_vf_check(adapter)) 2322 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2323 2324 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2325 netdev->features |= NETIF_F_LRO; 2326 2327 if (qlcnic_encap_tx_offload(adapter)) { 2328 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2329 2330 /* encapsulation Tx offload supported by Adapter */ 2331 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2332 NETIF_F_GSO_UDP_TUNNEL | 2333 NETIF_F_TSO | 2334 NETIF_F_TSO6; 2335 } 2336 2337 if (qlcnic_encap_rx_offload(adapter)) 2338 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2339 2340 netdev->hw_features = netdev->features; 2341 netdev->priv_flags |= IFF_UNICAST_FLT; 2342 netdev->irq = adapter->msix_entries[0].vector; 2343 2344 /* MTU range: 68 - 9600 */ 2345 netdev->min_mtu = P3P_MIN_MTU; 2346 netdev->max_mtu = P3P_MAX_MTU; 2347 2348 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2349 adapter->drv_sds_rings); 2350 if (err) 2351 return err; 2352 2353 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2354 2355 err = register_netdev(netdev); 2356 if (err) { 2357 dev_err(&pdev->dev, "failed to register net device\n"); 2358 return err; 2359 } 2360 2361 return 0; 2362 } 2363 2364 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2365 { 2366 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2367 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2368 *pci_using_dac = 1; 2369 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2370 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2371 *pci_using_dac = 0; 2372 else { 2373 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2374 return -EIO; 2375 } 2376 2377 return 0; 2378 } 2379 2380 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2381 { 2382 int ring; 2383 struct qlcnic_host_tx_ring *tx_ring; 2384 2385 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2386 tx_ring = &adapter->tx_ring[ring]; 2387 if (tx_ring) { 2388 vfree(tx_ring->cmd_buf_arr); 2389 tx_ring->cmd_buf_arr = NULL; 2390 } 2391 } 2392 kfree(adapter->tx_ring); 2393 } 2394 2395 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2396 struct net_device *netdev) 2397 { 2398 int ring, vector, index; 2399 struct qlcnic_host_tx_ring *tx_ring; 2400 struct qlcnic_cmd_buffer *cmd_buf_arr; 2401 2402 tx_ring = kcalloc(adapter->drv_tx_rings, 2403 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2404 if (tx_ring == NULL) 2405 return -ENOMEM; 2406 2407 adapter->tx_ring = tx_ring; 2408 2409 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2410 tx_ring = &adapter->tx_ring[ring]; 2411 tx_ring->num_desc = adapter->num_txd; 2412 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2413 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2414 if (cmd_buf_arr == NULL) { 2415 qlcnic_free_tx_rings(adapter); 2416 return -ENOMEM; 2417 } 2418 tx_ring->cmd_buf_arr = cmd_buf_arr; 2419 spin_lock_init(&tx_ring->tx_clean_lock); 2420 } 2421 2422 if (qlcnic_83xx_check(adapter) || 2423 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2424 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2425 tx_ring = &adapter->tx_ring[ring]; 2426 tx_ring->adapter = adapter; 2427 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2428 index = adapter->drv_sds_rings + ring; 2429 vector = adapter->msix_entries[index].vector; 2430 tx_ring->irq = vector; 2431 } 2432 } 2433 } 2434 2435 return 0; 2436 } 2437 2438 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2439 { 2440 struct qlcnic_hardware_context *ahw = adapter->ahw; 2441 u32 fw_cmd = 0; 2442 2443 if (qlcnic_82xx_check(adapter)) 2444 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2445 else if (qlcnic_83xx_check(adapter)) 2446 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2447 2448 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2449 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2450 } 2451 2452 /* Reset firmware API lock */ 2453 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2454 { 2455 qlcnic_api_lock(adapter); 2456 qlcnic_api_unlock(adapter); 2457 } 2458 2459 2460 static int 2461 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2462 { 2463 struct net_device *netdev = NULL; 2464 struct qlcnic_adapter *adapter = NULL; 2465 struct qlcnic_hardware_context *ahw; 2466 int err, pci_using_dac = -1; 2467 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2468 2469 err = pci_enable_device(pdev); 2470 if (err) 2471 return err; 2472 2473 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2474 err = -ENODEV; 2475 goto err_out_disable_pdev; 2476 } 2477 2478 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2479 if (err) 2480 goto err_out_disable_pdev; 2481 2482 err = pci_request_regions(pdev, qlcnic_driver_name); 2483 if (err) 2484 goto err_out_disable_pdev; 2485 2486 pci_set_master(pdev); 2487 pci_enable_pcie_error_reporting(pdev); 2488 2489 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2490 if (!ahw) { 2491 err = -ENOMEM; 2492 goto err_out_free_res; 2493 } 2494 2495 switch (ent->device) { 2496 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2497 ahw->hw_ops = &qlcnic_hw_ops; 2498 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2499 break; 2500 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2501 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2502 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2503 qlcnic_83xx_register_map(ahw); 2504 break; 2505 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2506 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2507 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2508 qlcnic_sriov_vf_register_map(ahw); 2509 break; 2510 default: 2511 goto err_out_free_hw_res; 2512 } 2513 2514 err = qlcnic_setup_pci_map(pdev, ahw); 2515 if (err) 2516 goto err_out_free_hw_res; 2517 2518 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2519 QLCNIC_MAX_TX_RINGS); 2520 if (!netdev) { 2521 err = -ENOMEM; 2522 goto err_out_iounmap; 2523 } 2524 2525 SET_NETDEV_DEV(netdev, &pdev->dev); 2526 2527 adapter = netdev_priv(netdev); 2528 adapter->netdev = netdev; 2529 adapter->pdev = pdev; 2530 adapter->ahw = ahw; 2531 2532 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2533 if (adapter->qlcnic_wq == NULL) { 2534 err = -ENOMEM; 2535 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2536 goto err_out_free_netdev; 2537 } 2538 2539 err = qlcnic_alloc_adapter_resources(adapter); 2540 if (err) 2541 goto err_out_free_wq; 2542 2543 adapter->dev_rst_time = jiffies; 2544 ahw->revision_id = pdev->revision; 2545 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2546 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2547 adapter->fdb_mac_learn = true; 2548 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2549 adapter->drv_mac_learn = true; 2550 2551 rwlock_init(&adapter->ahw->crb_lock); 2552 mutex_init(&adapter->ahw->mem_lock); 2553 2554 INIT_LIST_HEAD(&adapter->mac_list); 2555 2556 qlcnic_register_dcb(adapter); 2557 2558 if (qlcnic_82xx_check(adapter)) { 2559 qlcnic_check_vf(adapter, ent); 2560 adapter->portnum = adapter->ahw->pci_func; 2561 qlcnic_reset_api_lock(adapter); 2562 err = qlcnic_start_firmware(adapter); 2563 if (err) { 2564 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2565 "\t\tIf reboot doesn't help, try flashing the card\n"); 2566 goto err_out_maintenance_mode; 2567 } 2568 2569 /* compute and set default and max tx/sds rings */ 2570 if (adapter->ahw->msix_supported) { 2571 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2572 qlcnic_set_tx_ring_count(adapter, 2573 QLCNIC_SINGLE_RING); 2574 else 2575 qlcnic_set_tx_ring_count(adapter, 2576 QLCNIC_DEF_TX_RINGS); 2577 qlcnic_set_sds_ring_count(adapter, 2578 QLCNIC_DEF_SDS_RINGS); 2579 } else { 2580 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2581 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2582 } 2583 2584 err = qlcnic_setup_idc_param(adapter); 2585 if (err) 2586 goto err_out_free_hw; 2587 2588 adapter->flags |= QLCNIC_NEED_FLR; 2589 2590 } else if (qlcnic_83xx_check(adapter)) { 2591 qlcnic_83xx_check_vf(adapter, ent); 2592 adapter->portnum = adapter->ahw->pci_func; 2593 err = qlcnic_83xx_init(adapter, pci_using_dac); 2594 if (err) { 2595 switch (err) { 2596 case -ENOTRECOVERABLE: 2597 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2598 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2599 goto err_out_free_hw; 2600 case -ENOMEM: 2601 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2602 goto err_out_free_hw; 2603 case -EOPNOTSUPP: 2604 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2605 goto err_out_free_hw; 2606 default: 2607 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2608 goto err_out_maintenance_mode; 2609 } 2610 } 2611 2612 if (qlcnic_sriov_vf_check(adapter)) 2613 return 0; 2614 } else { 2615 dev_err(&pdev->dev, 2616 "%s: failed. Please Reboot\n", __func__); 2617 err = -ENODEV; 2618 goto err_out_free_hw; 2619 } 2620 2621 if (qlcnic_read_mac_addr(adapter)) 2622 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2623 2624 qlcnic_read_phys_port_id(adapter); 2625 2626 if (adapter->portnum == 0) { 2627 qlcnic_get_board_name(adapter, board_name); 2628 2629 pr_info("%s: %s Board Chip rev 0x%x\n", 2630 module_name(THIS_MODULE), 2631 board_name, adapter->ahw->revision_id); 2632 } 2633 2634 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2635 !!qlcnic_use_msi) 2636 dev_warn(&pdev->dev, 2637 "Device does not support MSI interrupts\n"); 2638 2639 if (qlcnic_82xx_check(adapter)) { 2640 qlcnic_dcb_enable(adapter->dcb); 2641 qlcnic_dcb_get_info(adapter->dcb); 2642 err = qlcnic_setup_intr(adapter); 2643 2644 if (err) { 2645 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2646 goto err_out_disable_msi; 2647 } 2648 } 2649 2650 err = qlcnic_get_act_pci_func(adapter); 2651 if (err) 2652 goto err_out_disable_mbx_intr; 2653 2654 if (adapter->portnum == 0) 2655 qlcnic_set_drv_version(adapter); 2656 2657 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2658 if (err) 2659 goto err_out_disable_mbx_intr; 2660 2661 pci_set_drvdata(pdev, adapter); 2662 2663 if (qlcnic_82xx_check(adapter)) 2664 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2665 FW_POLL_DELAY); 2666 2667 switch (adapter->ahw->port_type) { 2668 case QLCNIC_GBE: 2669 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2670 adapter->netdev->name); 2671 break; 2672 case QLCNIC_XGBE: 2673 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2674 adapter->netdev->name); 2675 break; 2676 } 2677 2678 if (adapter->drv_mac_learn) 2679 qlcnic_alloc_lb_filters_mem(adapter); 2680 2681 qlcnic_add_sysfs(adapter); 2682 qlcnic_register_hwmon_dev(adapter); 2683 return 0; 2684 2685 err_out_disable_mbx_intr: 2686 if (qlcnic_83xx_check(adapter)) 2687 qlcnic_83xx_free_mbx_intr(adapter); 2688 2689 err_out_disable_msi: 2690 qlcnic_teardown_intr(adapter); 2691 qlcnic_cancel_idc_work(adapter); 2692 qlcnic_clr_all_drv_state(adapter, 0); 2693 2694 err_out_free_hw: 2695 qlcnic_free_adapter_resources(adapter); 2696 2697 err_out_free_wq: 2698 destroy_workqueue(adapter->qlcnic_wq); 2699 2700 err_out_free_netdev: 2701 free_netdev(netdev); 2702 2703 err_out_iounmap: 2704 qlcnic_cleanup_pci_map(ahw); 2705 2706 err_out_free_hw_res: 2707 kfree(ahw); 2708 2709 err_out_free_res: 2710 pci_release_regions(pdev); 2711 2712 err_out_disable_pdev: 2713 pci_disable_device(pdev); 2714 return err; 2715 2716 err_out_maintenance_mode: 2717 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2718 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2719 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2720 ahw->port_type = QLCNIC_XGBE; 2721 2722 if (qlcnic_83xx_check(adapter)) 2723 adapter->tgt_status_reg = NULL; 2724 else 2725 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2726 2727 err = register_netdev(netdev); 2728 2729 if (err) { 2730 dev_err(&pdev->dev, "Failed to register net device\n"); 2731 qlcnic_clr_all_drv_state(adapter, 0); 2732 goto err_out_free_hw; 2733 } 2734 2735 pci_set_drvdata(pdev, adapter); 2736 qlcnic_add_sysfs(adapter); 2737 2738 return 0; 2739 } 2740 2741 static void qlcnic_remove(struct pci_dev *pdev) 2742 { 2743 struct qlcnic_adapter *adapter; 2744 struct net_device *netdev; 2745 struct qlcnic_hardware_context *ahw; 2746 2747 adapter = pci_get_drvdata(pdev); 2748 if (adapter == NULL) 2749 return; 2750 2751 netdev = adapter->netdev; 2752 2753 qlcnic_cancel_idc_work(adapter); 2754 qlcnic_sriov_pf_disable(adapter); 2755 ahw = adapter->ahw; 2756 2757 unregister_netdev(netdev); 2758 qlcnic_sriov_cleanup(adapter); 2759 2760 if (qlcnic_83xx_check(adapter)) { 2761 qlcnic_83xx_initialize_nic(adapter, 0); 2762 cancel_delayed_work_sync(&adapter->idc_aen_work); 2763 qlcnic_83xx_free_mbx_intr(adapter); 2764 qlcnic_83xx_detach_mailbox_work(adapter); 2765 qlcnic_83xx_free_mailbox(ahw->mailbox); 2766 kfree(ahw->fw_info); 2767 } 2768 2769 qlcnic_dcb_free(adapter->dcb); 2770 qlcnic_detach(adapter); 2771 kfree(adapter->npars); 2772 kfree(adapter->eswitch); 2773 2774 if (qlcnic_82xx_check(adapter)) 2775 qlcnic_clr_all_drv_state(adapter, 0); 2776 2777 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2778 2779 qlcnic_free_lb_filters_mem(adapter); 2780 2781 qlcnic_teardown_intr(adapter); 2782 2783 qlcnic_remove_sysfs(adapter); 2784 2785 qlcnic_unregister_hwmon_dev(adapter); 2786 2787 qlcnic_cleanup_pci_map(adapter->ahw); 2788 2789 qlcnic_release_firmware(adapter); 2790 2791 pci_disable_pcie_error_reporting(pdev); 2792 pci_release_regions(pdev); 2793 pci_disable_device(pdev); 2794 2795 if (adapter->qlcnic_wq) { 2796 destroy_workqueue(adapter->qlcnic_wq); 2797 adapter->qlcnic_wq = NULL; 2798 } 2799 2800 qlcnic_free_adapter_resources(adapter); 2801 kfree(ahw); 2802 free_netdev(netdev); 2803 } 2804 2805 static void qlcnic_shutdown(struct pci_dev *pdev) 2806 { 2807 if (__qlcnic_shutdown(pdev)) 2808 return; 2809 2810 pci_disable_device(pdev); 2811 } 2812 2813 #ifdef CONFIG_PM 2814 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2815 { 2816 int retval; 2817 2818 retval = __qlcnic_shutdown(pdev); 2819 if (retval) 2820 return retval; 2821 2822 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2823 return 0; 2824 } 2825 2826 static int qlcnic_resume(struct pci_dev *pdev) 2827 { 2828 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2829 int err; 2830 2831 err = pci_enable_device(pdev); 2832 if (err) 2833 return err; 2834 2835 pci_set_power_state(pdev, PCI_D0); 2836 pci_set_master(pdev); 2837 pci_restore_state(pdev); 2838 2839 return __qlcnic_resume(adapter); 2840 } 2841 #endif 2842 2843 static int qlcnic_open(struct net_device *netdev) 2844 { 2845 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2846 int err; 2847 2848 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2849 netdev_err(netdev, "%s: Device is in non-operational state\n", 2850 __func__); 2851 2852 return -EIO; 2853 } 2854 2855 netif_carrier_off(netdev); 2856 2857 err = qlcnic_attach(adapter); 2858 if (err) 2859 return err; 2860 2861 err = __qlcnic_up(adapter, netdev); 2862 if (err) 2863 qlcnic_detach(adapter); 2864 2865 return err; 2866 } 2867 2868 /* 2869 * qlcnic_close - Disables a network interface entry point 2870 */ 2871 static int qlcnic_close(struct net_device *netdev) 2872 { 2873 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2874 2875 __qlcnic_down(adapter, netdev); 2876 2877 return 0; 2878 } 2879 2880 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2881 2882 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2883 { 2884 void *head; 2885 int i; 2886 struct net_device *netdev = adapter->netdev; 2887 u32 filter_size = 0; 2888 u16 act_pci_func = 0; 2889 2890 if (adapter->fhash.fmax && adapter->fhash.fhead) 2891 return; 2892 2893 act_pci_func = adapter->ahw->total_nic_func; 2894 spin_lock_init(&adapter->mac_learn_lock); 2895 spin_lock_init(&adapter->rx_mac_learn_lock); 2896 2897 if (qlcnic_sriov_vf_check(adapter)) { 2898 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2899 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2900 } else if (qlcnic_82xx_check(adapter)) { 2901 filter_size = QLCNIC_LB_MAX_FILTERS; 2902 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2903 } else { 2904 filter_size = QLC_83XX_LB_MAX_FILTERS; 2905 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2906 } 2907 2908 head = kcalloc(adapter->fhash.fbucket_size, 2909 sizeof(struct hlist_head), GFP_ATOMIC); 2910 2911 if (!head) 2912 return; 2913 2914 adapter->fhash.fmax = (filter_size / act_pci_func); 2915 adapter->fhash.fhead = head; 2916 2917 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2918 act_pci_func, adapter->fhash.fmax); 2919 2920 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2921 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2922 2923 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2924 2925 head = kcalloc(adapter->rx_fhash.fbucket_size, 2926 sizeof(struct hlist_head), GFP_ATOMIC); 2927 2928 if (!head) 2929 return; 2930 2931 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2932 adapter->rx_fhash.fhead = head; 2933 2934 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2935 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2936 } 2937 2938 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2939 { 2940 if (adapter->fhash.fmax) 2941 kfree(adapter->fhash.fhead); 2942 2943 adapter->fhash.fhead = NULL; 2944 adapter->fhash.fmax = 0; 2945 2946 if (adapter->rx_fhash.fmax) 2947 kfree(adapter->rx_fhash.fhead); 2948 2949 adapter->rx_fhash.fmax = 0; 2950 adapter->rx_fhash.fhead = NULL; 2951 } 2952 2953 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2954 { 2955 struct net_device *netdev = adapter->netdev; 2956 u32 temp_state, temp_val, temp = 0; 2957 int rv = 0; 2958 2959 if (qlcnic_83xx_check(adapter)) 2960 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2961 2962 if (qlcnic_82xx_check(adapter)) 2963 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2964 2965 temp_state = qlcnic_get_temp_state(temp); 2966 temp_val = qlcnic_get_temp_val(temp); 2967 2968 if (temp_state == QLCNIC_TEMP_PANIC) { 2969 dev_err(&netdev->dev, 2970 "Device temperature %d degrees C exceeds" 2971 " maximum allowed. Hardware has been shut down.\n", 2972 temp_val); 2973 rv = 1; 2974 } else if (temp_state == QLCNIC_TEMP_WARN) { 2975 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2976 dev_err(&netdev->dev, 2977 "Device temperature %d degrees C " 2978 "exceeds operating range." 2979 " Immediate action needed.\n", 2980 temp_val); 2981 } 2982 } else { 2983 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2984 dev_info(&netdev->dev, 2985 "Device temperature is now %d degrees C" 2986 " in normal range.\n", temp_val); 2987 } 2988 } 2989 adapter->ahw->temp = temp_state; 2990 return rv; 2991 } 2992 2993 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2994 { 2995 int i; 2996 struct cmd_desc_type0 *tx_desc_info; 2997 2998 for (i = 0; i < tx_ring->num_desc; i++) { 2999 tx_desc_info = &tx_ring->desc_head[i]; 3000 pr_info("TX Desc: %d\n", i); 3001 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 3002 &tx_ring->desc_head[i], 3003 sizeof(struct cmd_desc_type0), true); 3004 } 3005 } 3006 3007 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3008 { 3009 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3010 struct net_device *netdev = adapter->netdev; 3011 struct qlcnic_host_rds_ring *rds_ring; 3012 struct qlcnic_host_sds_ring *sds_ring; 3013 struct qlcnic_host_tx_ring *tx_ring; 3014 int ring; 3015 3016 if (!netdev || !netif_running(netdev)) 3017 return; 3018 3019 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3020 rds_ring = &recv_ctx->rds_rings[ring]; 3021 if (!rds_ring) 3022 continue; 3023 netdev_info(netdev, 3024 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3025 ring, readl(rds_ring->crb_rcv_producer), 3026 rds_ring->producer, rds_ring->num_desc); 3027 } 3028 3029 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3030 sds_ring = &(recv_ctx->sds_rings[ring]); 3031 if (!sds_ring) 3032 continue; 3033 netdev_info(netdev, 3034 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3035 ring, readl(sds_ring->crb_sts_consumer), 3036 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3037 sds_ring->num_desc); 3038 } 3039 3040 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3041 tx_ring = &adapter->tx_ring[ring]; 3042 if (!tx_ring) 3043 continue; 3044 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3045 ring, tx_ring->ctx_id); 3046 netdev_info(netdev, 3047 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3048 tx_ring->tx_stats.xmit_finished, 3049 tx_ring->tx_stats.xmit_called, 3050 tx_ring->tx_stats.xmit_on, 3051 tx_ring->tx_stats.xmit_off); 3052 3053 if (tx_ring->crb_intr_mask) 3054 netdev_info(netdev, "crb_intr_mask=%d\n", 3055 readl(tx_ring->crb_intr_mask)); 3056 3057 netdev_info(netdev, 3058 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3059 readl(tx_ring->crb_cmd_producer), 3060 tx_ring->producer, tx_ring->sw_consumer, 3061 le32_to_cpu(*(tx_ring->hw_consumer))); 3062 3063 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3064 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3065 3066 if (netif_msg_tx_err(adapter->ahw)) 3067 dump_tx_ring_desc(tx_ring); 3068 } 3069 3070 } 3071 3072 static void qlcnic_tx_timeout(struct net_device *netdev) 3073 { 3074 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3075 3076 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3077 return; 3078 3079 qlcnic_dump_rings(adapter); 3080 3081 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3082 netif_msg_tx_err(adapter->ahw)) { 3083 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3084 if (qlcnic_82xx_check(adapter)) 3085 adapter->need_fw_reset = 1; 3086 else if (qlcnic_83xx_check(adapter)) 3087 qlcnic_83xx_idc_request_reset(adapter, 3088 QLCNIC_FORCE_FW_DUMP_KEY); 3089 } else { 3090 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3091 adapter->ahw->reset_context = 1; 3092 } 3093 } 3094 3095 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3096 { 3097 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3098 struct net_device_stats *stats = &netdev->stats; 3099 3100 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3101 qlcnic_update_stats(adapter); 3102 3103 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3104 stats->tx_packets = adapter->stats.xmitfinished; 3105 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3106 stats->tx_bytes = adapter->stats.txbytes; 3107 stats->rx_dropped = adapter->stats.rxdropped; 3108 stats->tx_dropped = adapter->stats.txdropped; 3109 3110 return stats; 3111 } 3112 3113 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3114 { 3115 u32 status; 3116 3117 status = readl(adapter->isr_int_vec); 3118 3119 if (!(status & adapter->ahw->int_vec_bit)) 3120 return IRQ_NONE; 3121 3122 /* check interrupt state machine, to be sure */ 3123 status = readl(adapter->crb_int_state_reg); 3124 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3125 return IRQ_NONE; 3126 3127 writel(0xffffffff, adapter->tgt_status_reg); 3128 /* read twice to ensure write is flushed */ 3129 readl(adapter->isr_int_vec); 3130 readl(adapter->isr_int_vec); 3131 3132 return IRQ_HANDLED; 3133 } 3134 3135 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3136 { 3137 struct qlcnic_host_sds_ring *sds_ring = data; 3138 struct qlcnic_adapter *adapter = sds_ring->adapter; 3139 3140 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3141 goto done; 3142 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3143 writel(0xffffffff, adapter->tgt_status_reg); 3144 goto done; 3145 } 3146 3147 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3148 return IRQ_NONE; 3149 3150 done: 3151 adapter->ahw->diag_cnt++; 3152 qlcnic_enable_sds_intr(adapter, sds_ring); 3153 return IRQ_HANDLED; 3154 } 3155 3156 static irqreturn_t qlcnic_intr(int irq, void *data) 3157 { 3158 struct qlcnic_host_sds_ring *sds_ring = data; 3159 struct qlcnic_adapter *adapter = sds_ring->adapter; 3160 3161 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3162 return IRQ_NONE; 3163 3164 napi_schedule(&sds_ring->napi); 3165 3166 return IRQ_HANDLED; 3167 } 3168 3169 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3170 { 3171 struct qlcnic_host_sds_ring *sds_ring = data; 3172 struct qlcnic_adapter *adapter = sds_ring->adapter; 3173 3174 /* clear interrupt */ 3175 writel(0xffffffff, adapter->tgt_status_reg); 3176 3177 napi_schedule(&sds_ring->napi); 3178 return IRQ_HANDLED; 3179 } 3180 3181 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3182 { 3183 struct qlcnic_host_sds_ring *sds_ring = data; 3184 3185 napi_schedule(&sds_ring->napi); 3186 return IRQ_HANDLED; 3187 } 3188 3189 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3190 { 3191 struct qlcnic_host_tx_ring *tx_ring = data; 3192 3193 napi_schedule(&tx_ring->napi); 3194 return IRQ_HANDLED; 3195 } 3196 3197 static void 3198 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3199 { 3200 u32 val; 3201 3202 val = adapter->portnum & 0xf; 3203 val |= encoding << 7; 3204 val |= (jiffies - adapter->dev_rst_time) << 8; 3205 3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3207 adapter->dev_rst_time = jiffies; 3208 } 3209 3210 static int 3211 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3212 { 3213 u32 val; 3214 3215 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3216 state != QLCNIC_DEV_NEED_QUISCENT); 3217 3218 if (qlcnic_api_lock(adapter)) 3219 return -EIO; 3220 3221 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3222 3223 if (state == QLCNIC_DEV_NEED_RESET) 3224 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3225 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3226 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3227 3228 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3229 3230 qlcnic_api_unlock(adapter); 3231 3232 return 0; 3233 } 3234 3235 static int 3236 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3237 { 3238 u32 val; 3239 3240 if (qlcnic_api_lock(adapter)) 3241 return -EBUSY; 3242 3243 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3244 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3245 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3246 3247 qlcnic_api_unlock(adapter); 3248 3249 return 0; 3250 } 3251 3252 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3253 { 3254 u32 val; 3255 3256 if (qlcnic_api_lock(adapter)) 3257 goto err; 3258 3259 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3260 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3261 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3262 3263 if (failed) { 3264 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3265 QLCNIC_DEV_FAILED); 3266 dev_info(&adapter->pdev->dev, 3267 "Device state set to Failed. Please Reboot\n"); 3268 } else if (!(val & 0x11111111)) 3269 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3270 QLCNIC_DEV_COLD); 3271 3272 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3273 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3274 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3275 3276 qlcnic_api_unlock(adapter); 3277 err: 3278 adapter->fw_fail_cnt = 0; 3279 adapter->flags &= ~QLCNIC_FW_HANG; 3280 clear_bit(__QLCNIC_START_FW, &adapter->state); 3281 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3282 } 3283 3284 /* Grab api lock, before checking state */ 3285 static int 3286 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3287 { 3288 int act, state, active_mask; 3289 struct qlcnic_hardware_context *ahw = adapter->ahw; 3290 3291 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3292 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3293 3294 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3295 active_mask = (~(1 << (ahw->pci_func * 4))); 3296 act = act & active_mask; 3297 } 3298 3299 if (((state & 0x11111111) == (act & 0x11111111)) || 3300 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3301 return 0; 3302 else 3303 return 1; 3304 } 3305 3306 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3307 { 3308 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3309 3310 if (val != QLCNIC_DRV_IDC_VER) { 3311 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3312 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3313 } 3314 3315 return 0; 3316 } 3317 3318 static int 3319 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3320 { 3321 u32 val, prev_state; 3322 u8 dev_init_timeo = adapter->dev_init_timeo; 3323 u8 portnum = adapter->portnum; 3324 u8 ret; 3325 3326 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3327 return 1; 3328 3329 if (qlcnic_api_lock(adapter)) 3330 return -1; 3331 3332 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3333 if (!(val & (1 << (portnum * 4)))) { 3334 QLC_DEV_SET_REF_CNT(val, portnum); 3335 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3336 } 3337 3338 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3339 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3340 3341 switch (prev_state) { 3342 case QLCNIC_DEV_COLD: 3343 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3344 QLCNIC_DEV_INITIALIZING); 3345 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3346 QLCNIC_DRV_IDC_VER); 3347 qlcnic_idc_debug_info(adapter, 0); 3348 qlcnic_api_unlock(adapter); 3349 return 1; 3350 3351 case QLCNIC_DEV_READY: 3352 ret = qlcnic_check_idc_ver(adapter); 3353 qlcnic_api_unlock(adapter); 3354 return ret; 3355 3356 case QLCNIC_DEV_NEED_RESET: 3357 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3358 QLC_DEV_SET_RST_RDY(val, portnum); 3359 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3360 break; 3361 3362 case QLCNIC_DEV_NEED_QUISCENT: 3363 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3364 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3365 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3366 break; 3367 3368 case QLCNIC_DEV_FAILED: 3369 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3370 qlcnic_api_unlock(adapter); 3371 return -1; 3372 3373 case QLCNIC_DEV_INITIALIZING: 3374 case QLCNIC_DEV_QUISCENT: 3375 break; 3376 } 3377 3378 qlcnic_api_unlock(adapter); 3379 3380 do { 3381 msleep(1000); 3382 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3383 3384 if (prev_state == QLCNIC_DEV_QUISCENT) 3385 continue; 3386 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3387 3388 if (!dev_init_timeo) { 3389 dev_err(&adapter->pdev->dev, 3390 "Waiting for device to initialize timeout\n"); 3391 return -1; 3392 } 3393 3394 if (qlcnic_api_lock(adapter)) 3395 return -1; 3396 3397 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3398 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3399 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3400 3401 ret = qlcnic_check_idc_ver(adapter); 3402 qlcnic_api_unlock(adapter); 3403 3404 return ret; 3405 } 3406 3407 static void 3408 qlcnic_fwinit_work(struct work_struct *work) 3409 { 3410 struct qlcnic_adapter *adapter = container_of(work, 3411 struct qlcnic_adapter, fw_work.work); 3412 u32 dev_state = 0xf; 3413 u32 val; 3414 3415 if (qlcnic_api_lock(adapter)) 3416 goto err_ret; 3417 3418 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3419 if (dev_state == QLCNIC_DEV_QUISCENT || 3420 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3421 qlcnic_api_unlock(adapter); 3422 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3423 FW_POLL_DELAY * 2); 3424 return; 3425 } 3426 3427 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3428 qlcnic_api_unlock(adapter); 3429 goto wait_npar; 3430 } 3431 3432 if (dev_state == QLCNIC_DEV_INITIALIZING || 3433 dev_state == QLCNIC_DEV_READY) { 3434 dev_info(&adapter->pdev->dev, "Detected state change from " 3435 "DEV_NEED_RESET, skipping ack check\n"); 3436 goto skip_ack_check; 3437 } 3438 3439 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3440 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3441 adapter->reset_ack_timeo); 3442 goto skip_ack_check; 3443 } 3444 3445 if (!qlcnic_check_drv_state(adapter)) { 3446 skip_ack_check: 3447 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3448 3449 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3450 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3451 QLCNIC_DEV_INITIALIZING); 3452 set_bit(__QLCNIC_START_FW, &adapter->state); 3453 QLCDB(adapter, DRV, "Restarting fw\n"); 3454 qlcnic_idc_debug_info(adapter, 0); 3455 val = QLC_SHARED_REG_RD32(adapter, 3456 QLCNIC_CRB_DRV_STATE); 3457 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3458 QLC_SHARED_REG_WR32(adapter, 3459 QLCNIC_CRB_DRV_STATE, val); 3460 } 3461 3462 qlcnic_api_unlock(adapter); 3463 3464 rtnl_lock(); 3465 if (qlcnic_check_fw_dump_state(adapter) && 3466 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3467 QLCDB(adapter, DRV, "Take FW dump\n"); 3468 qlcnic_dump_fw(adapter); 3469 adapter->flags |= QLCNIC_FW_HANG; 3470 } 3471 rtnl_unlock(); 3472 3473 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3474 if (!adapter->nic_ops->start_firmware(adapter)) { 3475 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3476 adapter->fw_wait_cnt = 0; 3477 return; 3478 } 3479 goto err_ret; 3480 } 3481 3482 qlcnic_api_unlock(adapter); 3483 3484 wait_npar: 3485 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3486 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3487 3488 switch (dev_state) { 3489 case QLCNIC_DEV_READY: 3490 if (!qlcnic_start_firmware(adapter)) { 3491 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3492 adapter->fw_wait_cnt = 0; 3493 return; 3494 } 3495 case QLCNIC_DEV_FAILED: 3496 break; 3497 default: 3498 qlcnic_schedule_work(adapter, 3499 qlcnic_fwinit_work, FW_POLL_DELAY); 3500 return; 3501 } 3502 3503 err_ret: 3504 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3505 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3506 netif_device_attach(adapter->netdev); 3507 qlcnic_clr_all_drv_state(adapter, 0); 3508 } 3509 3510 static void 3511 qlcnic_detach_work(struct work_struct *work) 3512 { 3513 struct qlcnic_adapter *adapter = container_of(work, 3514 struct qlcnic_adapter, fw_work.work); 3515 struct net_device *netdev = adapter->netdev; 3516 u32 status; 3517 3518 netif_device_detach(netdev); 3519 3520 /* Dont grab rtnl lock during Quiscent mode */ 3521 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3522 if (netif_running(netdev)) 3523 __qlcnic_down(adapter, netdev); 3524 } else 3525 qlcnic_down(adapter, netdev); 3526 3527 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3528 3529 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3530 dev_err(&adapter->pdev->dev, 3531 "Detaching the device: peg halt status1=0x%x\n", 3532 status); 3533 3534 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3535 dev_err(&adapter->pdev->dev, 3536 "On board active cooling fan failed. " 3537 "Device has been halted.\n"); 3538 dev_err(&adapter->pdev->dev, 3539 "Replace the adapter.\n"); 3540 } 3541 3542 goto err_ret; 3543 } 3544 3545 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3546 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3547 adapter->ahw->temp); 3548 goto err_ret; 3549 } 3550 3551 /* Dont ack if this instance is the reset owner */ 3552 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3553 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3554 dev_err(&adapter->pdev->dev, 3555 "Failed to set driver state," 3556 "detaching the device.\n"); 3557 goto err_ret; 3558 } 3559 } 3560 3561 adapter->fw_wait_cnt = 0; 3562 3563 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3564 3565 return; 3566 3567 err_ret: 3568 netif_device_attach(netdev); 3569 qlcnic_clr_all_drv_state(adapter, 1); 3570 } 3571 3572 /*Transit NPAR state to NON Operational */ 3573 static void 3574 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3575 { 3576 u32 state; 3577 3578 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3579 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3580 return; 3581 3582 if (qlcnic_api_lock(adapter)) 3583 return; 3584 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3585 QLCNIC_DEV_NPAR_NON_OPER); 3586 qlcnic_api_unlock(adapter); 3587 } 3588 3589 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3590 u32 key) 3591 { 3592 u32 state, xg_val = 0, gb_val = 0; 3593 3594 qlcnic_xg_set_xg0_mask(xg_val); 3595 qlcnic_xg_set_xg1_mask(xg_val); 3596 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3597 qlcnic_gb_set_gb0_mask(gb_val); 3598 qlcnic_gb_set_gb1_mask(gb_val); 3599 qlcnic_gb_set_gb2_mask(gb_val); 3600 qlcnic_gb_set_gb3_mask(gb_val); 3601 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3602 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3603 " on all ports\n"); 3604 adapter->need_fw_reset = 1; 3605 3606 if (qlcnic_api_lock(adapter)) 3607 return; 3608 3609 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3610 3611 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3612 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3613 __func__); 3614 qlcnic_api_unlock(adapter); 3615 3616 return; 3617 } 3618 3619 if (state == QLCNIC_DEV_READY) { 3620 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3621 QLCNIC_DEV_NEED_RESET); 3622 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3623 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3624 qlcnic_idc_debug_info(adapter, 0); 3625 } 3626 3627 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3628 QLCNIC_DEV_NPAR_NON_OPER); 3629 qlcnic_api_unlock(adapter); 3630 } 3631 3632 /* Transit to NPAR READY state from NPAR NOT READY state */ 3633 static void 3634 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3635 { 3636 if (qlcnic_api_lock(adapter)) 3637 return; 3638 3639 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3640 QLCNIC_DEV_NPAR_OPER); 3641 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3642 3643 qlcnic_api_unlock(adapter); 3644 } 3645 3646 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3647 work_func_t func, int delay) 3648 { 3649 if (test_bit(__QLCNIC_AER, &adapter->state)) 3650 return; 3651 3652 INIT_DELAYED_WORK(&adapter->fw_work, func); 3653 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3654 round_jiffies_relative(delay)); 3655 } 3656 3657 static void 3658 qlcnic_attach_work(struct work_struct *work) 3659 { 3660 struct qlcnic_adapter *adapter = container_of(work, 3661 struct qlcnic_adapter, fw_work.work); 3662 struct net_device *netdev = adapter->netdev; 3663 u32 npar_state; 3664 3665 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3666 npar_state = QLC_SHARED_REG_RD32(adapter, 3667 QLCNIC_CRB_DEV_NPAR_STATE); 3668 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3669 qlcnic_clr_all_drv_state(adapter, 0); 3670 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3671 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3672 FW_POLL_DELAY); 3673 else 3674 goto attach; 3675 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3676 return; 3677 } 3678 attach: 3679 qlcnic_dcb_get_info(adapter->dcb); 3680 3681 if (netif_running(netdev)) { 3682 if (qlcnic_up(adapter, netdev)) 3683 goto done; 3684 3685 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3686 } 3687 3688 done: 3689 netif_device_attach(netdev); 3690 adapter->fw_fail_cnt = 0; 3691 adapter->flags &= ~QLCNIC_FW_HANG; 3692 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3693 if (adapter->portnum == 0) 3694 qlcnic_set_drv_version(adapter); 3695 3696 if (!qlcnic_clr_drv_state(adapter)) 3697 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3698 FW_POLL_DELAY); 3699 } 3700 3701 static int 3702 qlcnic_check_health(struct qlcnic_adapter *adapter) 3703 { 3704 struct qlcnic_hardware_context *ahw = adapter->ahw; 3705 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3706 u32 state = 0, heartbeat; 3707 u32 peg_status; 3708 int err = 0; 3709 3710 if (qlcnic_check_temp(adapter)) 3711 goto detach; 3712 3713 if (adapter->need_fw_reset) 3714 qlcnic_dev_request_reset(adapter, 0); 3715 3716 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3717 if (state == QLCNIC_DEV_NEED_RESET) { 3718 qlcnic_set_npar_non_operational(adapter); 3719 adapter->need_fw_reset = 1; 3720 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3721 goto detach; 3722 3723 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3724 if (heartbeat != adapter->heartbeat) { 3725 adapter->heartbeat = heartbeat; 3726 adapter->fw_fail_cnt = 0; 3727 if (adapter->need_fw_reset) 3728 goto detach; 3729 3730 if (ahw->reset_context && qlcnic_auto_fw_reset) 3731 qlcnic_reset_hw_context(adapter); 3732 3733 return 0; 3734 } 3735 3736 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3737 return 0; 3738 3739 adapter->flags |= QLCNIC_FW_HANG; 3740 3741 qlcnic_dev_request_reset(adapter, 0); 3742 3743 if (qlcnic_auto_fw_reset) 3744 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3745 3746 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3747 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3748 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3749 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3750 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3751 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3752 "PEG_NET_4_PC: 0x%x\n", 3753 peg_status, 3754 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3755 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3756 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3757 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3758 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3759 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3760 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3761 dev_err(&adapter->pdev->dev, 3762 "Firmware aborted with error code 0x00006700. " 3763 "Device is being reset.\n"); 3764 detach: 3765 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3766 QLCNIC_DEV_NEED_RESET; 3767 3768 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3769 &adapter->state)) { 3770 3771 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3772 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3773 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3774 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3775 qlcnic_dump_fw(adapter); 3776 } 3777 3778 return 1; 3779 } 3780 3781 void qlcnic_fw_poll_work(struct work_struct *work) 3782 { 3783 struct qlcnic_adapter *adapter = container_of(work, 3784 struct qlcnic_adapter, fw_work.work); 3785 3786 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3787 goto reschedule; 3788 3789 3790 if (qlcnic_check_health(adapter)) 3791 return; 3792 3793 if (adapter->fhash.fnum) 3794 qlcnic_prune_lb_filters(adapter); 3795 3796 reschedule: 3797 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3798 } 3799 3800 static int qlcnic_is_first_func(struct pci_dev *pdev) 3801 { 3802 struct pci_dev *oth_pdev; 3803 int val = pdev->devfn; 3804 3805 while (val-- > 0) { 3806 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3807 (pdev->bus), pdev->bus->number, 3808 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3809 if (!oth_pdev) 3810 continue; 3811 3812 if (oth_pdev->current_state != PCI_D3cold) { 3813 pci_dev_put(oth_pdev); 3814 return 0; 3815 } 3816 pci_dev_put(oth_pdev); 3817 } 3818 return 1; 3819 } 3820 3821 static int qlcnic_attach_func(struct pci_dev *pdev) 3822 { 3823 int err, first_func; 3824 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3825 struct net_device *netdev = adapter->netdev; 3826 3827 pdev->error_state = pci_channel_io_normal; 3828 3829 err = pci_enable_device(pdev); 3830 if (err) 3831 return err; 3832 3833 pci_set_master(pdev); 3834 pci_restore_state(pdev); 3835 3836 first_func = qlcnic_is_first_func(pdev); 3837 3838 if (qlcnic_api_lock(adapter)) 3839 return -EINVAL; 3840 3841 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3842 adapter->need_fw_reset = 1; 3843 set_bit(__QLCNIC_START_FW, &adapter->state); 3844 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3845 QLCNIC_DEV_INITIALIZING); 3846 QLCDB(adapter, DRV, "Restarting fw\n"); 3847 } 3848 qlcnic_api_unlock(adapter); 3849 3850 err = qlcnic_start_firmware(adapter); 3851 if (err) 3852 return err; 3853 3854 qlcnic_clr_drv_state(adapter); 3855 kfree(adapter->msix_entries); 3856 adapter->msix_entries = NULL; 3857 err = qlcnic_setup_intr(adapter); 3858 3859 if (err) { 3860 kfree(adapter->msix_entries); 3861 netdev_err(netdev, "failed to setup interrupt\n"); 3862 return err; 3863 } 3864 3865 if (netif_running(netdev)) { 3866 err = qlcnic_attach(adapter); 3867 if (err) { 3868 qlcnic_clr_all_drv_state(adapter, 1); 3869 clear_bit(__QLCNIC_AER, &adapter->state); 3870 netif_device_attach(netdev); 3871 return err; 3872 } 3873 3874 err = qlcnic_up(adapter, netdev); 3875 if (err) 3876 goto done; 3877 3878 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3879 } 3880 done: 3881 netif_device_attach(netdev); 3882 return err; 3883 } 3884 3885 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3886 pci_channel_state_t state) 3887 { 3888 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3889 struct net_device *netdev = adapter->netdev; 3890 3891 if (state == pci_channel_io_perm_failure) 3892 return PCI_ERS_RESULT_DISCONNECT; 3893 3894 if (state == pci_channel_io_normal) 3895 return PCI_ERS_RESULT_RECOVERED; 3896 3897 set_bit(__QLCNIC_AER, &adapter->state); 3898 netif_device_detach(netdev); 3899 3900 cancel_delayed_work_sync(&adapter->fw_work); 3901 3902 if (netif_running(netdev)) 3903 qlcnic_down(adapter, netdev); 3904 3905 qlcnic_detach(adapter); 3906 qlcnic_teardown_intr(adapter); 3907 3908 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3909 3910 pci_save_state(pdev); 3911 pci_disable_device(pdev); 3912 3913 return PCI_ERS_RESULT_NEED_RESET; 3914 } 3915 3916 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3917 { 3918 pci_ers_result_t res; 3919 3920 rtnl_lock(); 3921 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3922 PCI_ERS_RESULT_RECOVERED; 3923 rtnl_unlock(); 3924 3925 return res; 3926 } 3927 3928 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3929 { 3930 u32 state; 3931 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3932 3933 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3934 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3935 &adapter->state)) 3936 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3937 FW_POLL_DELAY); 3938 } 3939 3940 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3941 pci_channel_state_t state) 3942 { 3943 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3944 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3945 3946 if (hw_ops->io_error_detected) { 3947 return hw_ops->io_error_detected(pdev, state); 3948 } else { 3949 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3950 return PCI_ERS_RESULT_DISCONNECT; 3951 } 3952 } 3953 3954 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3955 { 3956 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3957 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3958 3959 if (hw_ops->io_slot_reset) { 3960 return hw_ops->io_slot_reset(pdev); 3961 } else { 3962 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3963 return PCI_ERS_RESULT_DISCONNECT; 3964 } 3965 } 3966 3967 static void qlcnic_io_resume(struct pci_dev *pdev) 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_resume) 3973 hw_ops->io_resume(pdev); 3974 else 3975 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3976 } 3977 3978 3979 static int 3980 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3981 { 3982 int err; 3983 3984 err = qlcnic_can_start_firmware(adapter); 3985 if (err) 3986 return err; 3987 3988 err = qlcnic_check_npar_opertional(adapter); 3989 if (err) 3990 return err; 3991 3992 err = qlcnic_initialize_nic(adapter); 3993 if (err) 3994 return err; 3995 3996 qlcnic_check_options(adapter); 3997 3998 err = qlcnic_set_eswitch_port_config(adapter); 3999 if (err) 4000 return err; 4001 4002 adapter->need_fw_reset = 0; 4003 4004 return err; 4005 } 4006 4007 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4008 int queue_type) 4009 { 4010 struct net_device *netdev = adapter->netdev; 4011 u8 max_hw_rings = 0; 4012 char buf[8]; 4013 int cur_rings; 4014 4015 if (queue_type == QLCNIC_RX_QUEUE) { 4016 max_hw_rings = adapter->max_sds_rings; 4017 cur_rings = adapter->drv_sds_rings; 4018 strcpy(buf, "SDS"); 4019 } else if (queue_type == QLCNIC_TX_QUEUE) { 4020 max_hw_rings = adapter->max_tx_rings; 4021 cur_rings = adapter->drv_tx_rings; 4022 strcpy(buf, "Tx"); 4023 } 4024 4025 if (!is_power_of_2(ring_cnt)) { 4026 netdev_err(netdev, "%s rings value should be a power of 2\n", 4027 buf); 4028 return -EINVAL; 4029 } 4030 4031 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4032 !qlcnic_check_multi_tx(adapter)) { 4033 netdev_err(netdev, "No Multi Tx queue support\n"); 4034 return -EINVAL; 4035 } 4036 4037 if (ring_cnt > num_online_cpus()) { 4038 netdev_err(netdev, 4039 "%s value[%u] should not be higher than, number of online CPUs\n", 4040 buf, num_online_cpus()); 4041 return -EINVAL; 4042 } 4043 4044 return 0; 4045 } 4046 4047 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4048 { 4049 struct net_device *netdev = adapter->netdev; 4050 u8 tx_rings, rx_rings; 4051 int err; 4052 4053 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4054 return -EBUSY; 4055 4056 tx_rings = adapter->drv_tss_rings; 4057 rx_rings = adapter->drv_rss_rings; 4058 4059 netif_device_detach(netdev); 4060 4061 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4062 if (err) 4063 goto done; 4064 4065 if (netif_running(netdev)) 4066 __qlcnic_down(adapter, netdev); 4067 4068 qlcnic_detach(adapter); 4069 4070 if (qlcnic_83xx_check(adapter)) { 4071 qlcnic_83xx_free_mbx_intr(adapter); 4072 qlcnic_83xx_enable_mbx_poll(adapter); 4073 } 4074 4075 qlcnic_teardown_intr(adapter); 4076 4077 err = qlcnic_setup_intr(adapter); 4078 if (err) { 4079 kfree(adapter->msix_entries); 4080 netdev_err(netdev, "failed to setup interrupt\n"); 4081 return err; 4082 } 4083 4084 /* Check if we need to update real_num_{tx|rx}_queues because 4085 * qlcnic_setup_intr() may change Tx/Rx rings size 4086 */ 4087 if ((tx_rings != adapter->drv_tx_rings) || 4088 (rx_rings != adapter->drv_sds_rings)) { 4089 err = qlcnic_set_real_num_queues(adapter, 4090 adapter->drv_tx_rings, 4091 adapter->drv_sds_rings); 4092 if (err) 4093 goto done; 4094 } 4095 4096 if (qlcnic_83xx_check(adapter)) { 4097 qlcnic_83xx_initialize_nic(adapter, 1); 4098 err = qlcnic_83xx_setup_mbx_intr(adapter); 4099 qlcnic_83xx_disable_mbx_poll(adapter); 4100 if (err) { 4101 dev_err(&adapter->pdev->dev, 4102 "failed to setup mbx interrupt\n"); 4103 goto done; 4104 } 4105 } 4106 4107 if (netif_running(netdev)) { 4108 err = qlcnic_attach(adapter); 4109 if (err) 4110 goto done; 4111 err = __qlcnic_up(adapter, netdev); 4112 if (err) 4113 goto done; 4114 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4115 } 4116 done: 4117 netif_device_attach(netdev); 4118 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4119 return err; 4120 } 4121 4122 #ifdef CONFIG_INET 4123 4124 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4125 4126 static void 4127 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4128 struct net_device *dev, unsigned long event) 4129 { 4130 struct in_device *indev; 4131 4132 indev = in_dev_get(dev); 4133 if (!indev) 4134 return; 4135 4136 for_ifa(indev) { 4137 switch (event) { 4138 case NETDEV_UP: 4139 qlcnic_config_ipaddr(adapter, 4140 ifa->ifa_address, QLCNIC_IP_UP); 4141 break; 4142 case NETDEV_DOWN: 4143 qlcnic_config_ipaddr(adapter, 4144 ifa->ifa_address, QLCNIC_IP_DOWN); 4145 break; 4146 default: 4147 break; 4148 } 4149 } endfor_ifa(indev); 4150 4151 in_dev_put(indev); 4152 } 4153 4154 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4155 { 4156 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4157 struct net_device *dev; 4158 u16 vid; 4159 4160 qlcnic_config_indev_addr(adapter, netdev, event); 4161 4162 rcu_read_lock(); 4163 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4164 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4165 if (!dev) 4166 continue; 4167 qlcnic_config_indev_addr(adapter, dev, event); 4168 } 4169 rcu_read_unlock(); 4170 } 4171 4172 static int qlcnic_netdev_event(struct notifier_block *this, 4173 unsigned long event, void *ptr) 4174 { 4175 struct qlcnic_adapter *adapter; 4176 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4177 4178 recheck: 4179 if (dev == NULL) 4180 goto done; 4181 4182 if (is_vlan_dev(dev)) { 4183 dev = vlan_dev_real_dev(dev); 4184 goto recheck; 4185 } 4186 4187 if (!is_qlcnic_netdev(dev)) 4188 goto done; 4189 4190 adapter = netdev_priv(dev); 4191 4192 if (!adapter) 4193 goto done; 4194 4195 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4196 goto done; 4197 4198 qlcnic_config_indev_addr(adapter, dev, event); 4199 done: 4200 return NOTIFY_DONE; 4201 } 4202 4203 static int 4204 qlcnic_inetaddr_event(struct notifier_block *this, 4205 unsigned long event, void *ptr) 4206 { 4207 struct qlcnic_adapter *adapter; 4208 struct net_device *dev; 4209 4210 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4211 4212 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4213 4214 recheck: 4215 if (dev == NULL) 4216 goto done; 4217 4218 if (is_vlan_dev(dev)) { 4219 dev = vlan_dev_real_dev(dev); 4220 goto recheck; 4221 } 4222 4223 if (!is_qlcnic_netdev(dev)) 4224 goto done; 4225 4226 adapter = netdev_priv(dev); 4227 4228 if (!adapter) 4229 goto done; 4230 4231 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4232 goto done; 4233 4234 switch (event) { 4235 case NETDEV_UP: 4236 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4237 4238 break; 4239 case NETDEV_DOWN: 4240 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4241 4242 break; 4243 default: 4244 break; 4245 } 4246 4247 done: 4248 return NOTIFY_DONE; 4249 } 4250 4251 static struct notifier_block qlcnic_netdev_cb = { 4252 .notifier_call = qlcnic_netdev_event, 4253 }; 4254 4255 static struct notifier_block qlcnic_inetaddr_cb = { 4256 .notifier_call = qlcnic_inetaddr_event, 4257 }; 4258 #else 4259 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4260 { } 4261 #endif 4262 static const struct pci_error_handlers qlcnic_err_handler = { 4263 .error_detected = qlcnic_io_error_detected, 4264 .slot_reset = qlcnic_io_slot_reset, 4265 .resume = qlcnic_io_resume, 4266 }; 4267 4268 static struct pci_driver qlcnic_driver = { 4269 .name = qlcnic_driver_name, 4270 .id_table = qlcnic_pci_tbl, 4271 .probe = qlcnic_probe, 4272 .remove = qlcnic_remove, 4273 #ifdef CONFIG_PM 4274 .suspend = qlcnic_suspend, 4275 .resume = qlcnic_resume, 4276 #endif 4277 .shutdown = qlcnic_shutdown, 4278 .err_handler = &qlcnic_err_handler, 4279 #ifdef CONFIG_QLCNIC_SRIOV 4280 .sriov_configure = qlcnic_pci_sriov_configure, 4281 #endif 4282 4283 }; 4284 4285 static int __init qlcnic_init_module(void) 4286 { 4287 int ret; 4288 4289 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4290 4291 #ifdef CONFIG_INET 4292 register_netdevice_notifier(&qlcnic_netdev_cb); 4293 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4294 #endif 4295 4296 ret = pci_register_driver(&qlcnic_driver); 4297 if (ret) { 4298 #ifdef CONFIG_INET 4299 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4300 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4301 #endif 4302 } 4303 4304 return ret; 4305 } 4306 4307 module_init(qlcnic_init_module); 4308 4309 static void __exit qlcnic_exit_module(void) 4310 { 4311 pci_unregister_driver(&qlcnic_driver); 4312 4313 #ifdef CONFIG_INET 4314 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4315 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4316 #endif 4317 } 4318 4319 module_exit(qlcnic_exit_module); 4320