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 2997 for (i = 0; i < tx_ring->num_desc; i++) { 2998 pr_info("TX Desc: %d\n", i); 2999 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 3000 &tx_ring->desc_head[i], 3001 sizeof(struct cmd_desc_type0), true); 3002 } 3003 } 3004 3005 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3006 { 3007 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3008 struct net_device *netdev = adapter->netdev; 3009 struct qlcnic_host_rds_ring *rds_ring; 3010 struct qlcnic_host_sds_ring *sds_ring; 3011 struct qlcnic_host_tx_ring *tx_ring; 3012 int ring; 3013 3014 if (!netdev || !netif_running(netdev)) 3015 return; 3016 3017 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3018 rds_ring = &recv_ctx->rds_rings[ring]; 3019 if (!rds_ring) 3020 continue; 3021 netdev_info(netdev, 3022 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3023 ring, readl(rds_ring->crb_rcv_producer), 3024 rds_ring->producer, rds_ring->num_desc); 3025 } 3026 3027 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3028 sds_ring = &(recv_ctx->sds_rings[ring]); 3029 if (!sds_ring) 3030 continue; 3031 netdev_info(netdev, 3032 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3033 ring, readl(sds_ring->crb_sts_consumer), 3034 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3035 sds_ring->num_desc); 3036 } 3037 3038 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3039 tx_ring = &adapter->tx_ring[ring]; 3040 if (!tx_ring) 3041 continue; 3042 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3043 ring, tx_ring->ctx_id); 3044 netdev_info(netdev, 3045 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3046 tx_ring->tx_stats.xmit_finished, 3047 tx_ring->tx_stats.xmit_called, 3048 tx_ring->tx_stats.xmit_on, 3049 tx_ring->tx_stats.xmit_off); 3050 3051 if (tx_ring->crb_intr_mask) 3052 netdev_info(netdev, "crb_intr_mask=%d\n", 3053 readl(tx_ring->crb_intr_mask)); 3054 3055 netdev_info(netdev, 3056 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3057 readl(tx_ring->crb_cmd_producer), 3058 tx_ring->producer, tx_ring->sw_consumer, 3059 le32_to_cpu(*(tx_ring->hw_consumer))); 3060 3061 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3062 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3063 3064 if (netif_msg_tx_err(adapter->ahw)) 3065 dump_tx_ring_desc(tx_ring); 3066 } 3067 3068 } 3069 3070 static void qlcnic_tx_timeout(struct net_device *netdev) 3071 { 3072 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3073 3074 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3075 return; 3076 3077 qlcnic_dump_rings(adapter); 3078 3079 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3080 netif_msg_tx_err(adapter->ahw)) { 3081 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3082 if (qlcnic_82xx_check(adapter)) 3083 adapter->need_fw_reset = 1; 3084 else if (qlcnic_83xx_check(adapter)) 3085 qlcnic_83xx_idc_request_reset(adapter, 3086 QLCNIC_FORCE_FW_DUMP_KEY); 3087 } else { 3088 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3089 adapter->ahw->reset_context = 1; 3090 } 3091 } 3092 3093 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3094 { 3095 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3096 struct net_device_stats *stats = &netdev->stats; 3097 3098 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3099 qlcnic_update_stats(adapter); 3100 3101 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3102 stats->tx_packets = adapter->stats.xmitfinished; 3103 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3104 stats->tx_bytes = adapter->stats.txbytes; 3105 stats->rx_dropped = adapter->stats.rxdropped; 3106 stats->tx_dropped = adapter->stats.txdropped; 3107 3108 return stats; 3109 } 3110 3111 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3112 { 3113 u32 status; 3114 3115 status = readl(adapter->isr_int_vec); 3116 3117 if (!(status & adapter->ahw->int_vec_bit)) 3118 return IRQ_NONE; 3119 3120 /* check interrupt state machine, to be sure */ 3121 status = readl(adapter->crb_int_state_reg); 3122 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3123 return IRQ_NONE; 3124 3125 writel(0xffffffff, adapter->tgt_status_reg); 3126 /* read twice to ensure write is flushed */ 3127 readl(adapter->isr_int_vec); 3128 readl(adapter->isr_int_vec); 3129 3130 return IRQ_HANDLED; 3131 } 3132 3133 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3134 { 3135 struct qlcnic_host_sds_ring *sds_ring = data; 3136 struct qlcnic_adapter *adapter = sds_ring->adapter; 3137 3138 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3139 goto done; 3140 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3141 writel(0xffffffff, adapter->tgt_status_reg); 3142 goto done; 3143 } 3144 3145 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3146 return IRQ_NONE; 3147 3148 done: 3149 adapter->ahw->diag_cnt++; 3150 qlcnic_enable_sds_intr(adapter, sds_ring); 3151 return IRQ_HANDLED; 3152 } 3153 3154 static irqreturn_t qlcnic_intr(int irq, void *data) 3155 { 3156 struct qlcnic_host_sds_ring *sds_ring = data; 3157 struct qlcnic_adapter *adapter = sds_ring->adapter; 3158 3159 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3160 return IRQ_NONE; 3161 3162 napi_schedule(&sds_ring->napi); 3163 3164 return IRQ_HANDLED; 3165 } 3166 3167 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3168 { 3169 struct qlcnic_host_sds_ring *sds_ring = data; 3170 struct qlcnic_adapter *adapter = sds_ring->adapter; 3171 3172 /* clear interrupt */ 3173 writel(0xffffffff, adapter->tgt_status_reg); 3174 3175 napi_schedule(&sds_ring->napi); 3176 return IRQ_HANDLED; 3177 } 3178 3179 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3180 { 3181 struct qlcnic_host_sds_ring *sds_ring = data; 3182 3183 napi_schedule(&sds_ring->napi); 3184 return IRQ_HANDLED; 3185 } 3186 3187 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3188 { 3189 struct qlcnic_host_tx_ring *tx_ring = data; 3190 3191 napi_schedule(&tx_ring->napi); 3192 return IRQ_HANDLED; 3193 } 3194 3195 static void 3196 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3197 { 3198 u32 val; 3199 3200 val = adapter->portnum & 0xf; 3201 val |= encoding << 7; 3202 val |= (jiffies - adapter->dev_rst_time) << 8; 3203 3204 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3205 adapter->dev_rst_time = jiffies; 3206 } 3207 3208 static int 3209 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3210 { 3211 u32 val; 3212 3213 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3214 state != QLCNIC_DEV_NEED_QUISCENT); 3215 3216 if (qlcnic_api_lock(adapter)) 3217 return -EIO; 3218 3219 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3220 3221 if (state == QLCNIC_DEV_NEED_RESET) 3222 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3223 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3224 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3225 3226 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3227 3228 qlcnic_api_unlock(adapter); 3229 3230 return 0; 3231 } 3232 3233 static int 3234 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3235 { 3236 u32 val; 3237 3238 if (qlcnic_api_lock(adapter)) 3239 return -EBUSY; 3240 3241 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3242 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3243 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3244 3245 qlcnic_api_unlock(adapter); 3246 3247 return 0; 3248 } 3249 3250 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3251 { 3252 u32 val; 3253 3254 if (qlcnic_api_lock(adapter)) 3255 goto err; 3256 3257 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3258 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3259 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3260 3261 if (failed) { 3262 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3263 QLCNIC_DEV_FAILED); 3264 dev_info(&adapter->pdev->dev, 3265 "Device state set to Failed. Please Reboot\n"); 3266 } else if (!(val & 0x11111111)) 3267 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3268 QLCNIC_DEV_COLD); 3269 3270 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3271 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3273 3274 qlcnic_api_unlock(adapter); 3275 err: 3276 adapter->fw_fail_cnt = 0; 3277 adapter->flags &= ~QLCNIC_FW_HANG; 3278 clear_bit(__QLCNIC_START_FW, &adapter->state); 3279 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3280 } 3281 3282 /* Grab api lock, before checking state */ 3283 static int 3284 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3285 { 3286 int act, state, active_mask; 3287 struct qlcnic_hardware_context *ahw = adapter->ahw; 3288 3289 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3290 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3291 3292 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3293 active_mask = (~(1 << (ahw->pci_func * 4))); 3294 act = act & active_mask; 3295 } 3296 3297 if (((state & 0x11111111) == (act & 0x11111111)) || 3298 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3299 return 0; 3300 else 3301 return 1; 3302 } 3303 3304 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3305 { 3306 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3307 3308 if (val != QLCNIC_DRV_IDC_VER) { 3309 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3310 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3311 } 3312 3313 return 0; 3314 } 3315 3316 static int 3317 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3318 { 3319 u32 val, prev_state; 3320 u8 dev_init_timeo = adapter->dev_init_timeo; 3321 u8 portnum = adapter->portnum; 3322 u8 ret; 3323 3324 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3325 return 1; 3326 3327 if (qlcnic_api_lock(adapter)) 3328 return -1; 3329 3330 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3331 if (!(val & (1 << (portnum * 4)))) { 3332 QLC_DEV_SET_REF_CNT(val, portnum); 3333 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3334 } 3335 3336 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3337 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3338 3339 switch (prev_state) { 3340 case QLCNIC_DEV_COLD: 3341 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3342 QLCNIC_DEV_INITIALIZING); 3343 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3344 QLCNIC_DRV_IDC_VER); 3345 qlcnic_idc_debug_info(adapter, 0); 3346 qlcnic_api_unlock(adapter); 3347 return 1; 3348 3349 case QLCNIC_DEV_READY: 3350 ret = qlcnic_check_idc_ver(adapter); 3351 qlcnic_api_unlock(adapter); 3352 return ret; 3353 3354 case QLCNIC_DEV_NEED_RESET: 3355 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3356 QLC_DEV_SET_RST_RDY(val, portnum); 3357 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3358 break; 3359 3360 case QLCNIC_DEV_NEED_QUISCENT: 3361 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3362 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3363 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3364 break; 3365 3366 case QLCNIC_DEV_FAILED: 3367 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3368 qlcnic_api_unlock(adapter); 3369 return -1; 3370 3371 case QLCNIC_DEV_INITIALIZING: 3372 case QLCNIC_DEV_QUISCENT: 3373 break; 3374 } 3375 3376 qlcnic_api_unlock(adapter); 3377 3378 do { 3379 msleep(1000); 3380 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3381 3382 if (prev_state == QLCNIC_DEV_QUISCENT) 3383 continue; 3384 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3385 3386 if (!dev_init_timeo) { 3387 dev_err(&adapter->pdev->dev, 3388 "Waiting for device to initialize timeout\n"); 3389 return -1; 3390 } 3391 3392 if (qlcnic_api_lock(adapter)) 3393 return -1; 3394 3395 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3396 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3397 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3398 3399 ret = qlcnic_check_idc_ver(adapter); 3400 qlcnic_api_unlock(adapter); 3401 3402 return ret; 3403 } 3404 3405 static void 3406 qlcnic_fwinit_work(struct work_struct *work) 3407 { 3408 struct qlcnic_adapter *adapter = container_of(work, 3409 struct qlcnic_adapter, fw_work.work); 3410 u32 dev_state = 0xf; 3411 u32 val; 3412 3413 if (qlcnic_api_lock(adapter)) 3414 goto err_ret; 3415 3416 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3417 if (dev_state == QLCNIC_DEV_QUISCENT || 3418 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3419 qlcnic_api_unlock(adapter); 3420 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3421 FW_POLL_DELAY * 2); 3422 return; 3423 } 3424 3425 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3426 qlcnic_api_unlock(adapter); 3427 goto wait_npar; 3428 } 3429 3430 if (dev_state == QLCNIC_DEV_INITIALIZING || 3431 dev_state == QLCNIC_DEV_READY) { 3432 dev_info(&adapter->pdev->dev, "Detected state change from " 3433 "DEV_NEED_RESET, skipping ack check\n"); 3434 goto skip_ack_check; 3435 } 3436 3437 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3438 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3439 adapter->reset_ack_timeo); 3440 goto skip_ack_check; 3441 } 3442 3443 if (!qlcnic_check_drv_state(adapter)) { 3444 skip_ack_check: 3445 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3446 3447 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3448 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3449 QLCNIC_DEV_INITIALIZING); 3450 set_bit(__QLCNIC_START_FW, &adapter->state); 3451 QLCDB(adapter, DRV, "Restarting fw\n"); 3452 qlcnic_idc_debug_info(adapter, 0); 3453 val = QLC_SHARED_REG_RD32(adapter, 3454 QLCNIC_CRB_DRV_STATE); 3455 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3456 QLC_SHARED_REG_WR32(adapter, 3457 QLCNIC_CRB_DRV_STATE, val); 3458 } 3459 3460 qlcnic_api_unlock(adapter); 3461 3462 rtnl_lock(); 3463 if (qlcnic_check_fw_dump_state(adapter) && 3464 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3465 QLCDB(adapter, DRV, "Take FW dump\n"); 3466 qlcnic_dump_fw(adapter); 3467 adapter->flags |= QLCNIC_FW_HANG; 3468 } 3469 rtnl_unlock(); 3470 3471 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3472 if (!adapter->nic_ops->start_firmware(adapter)) { 3473 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3474 adapter->fw_wait_cnt = 0; 3475 return; 3476 } 3477 goto err_ret; 3478 } 3479 3480 qlcnic_api_unlock(adapter); 3481 3482 wait_npar: 3483 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3484 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3485 3486 switch (dev_state) { 3487 case QLCNIC_DEV_READY: 3488 if (!qlcnic_start_firmware(adapter)) { 3489 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3490 adapter->fw_wait_cnt = 0; 3491 return; 3492 } 3493 case QLCNIC_DEV_FAILED: 3494 break; 3495 default: 3496 qlcnic_schedule_work(adapter, 3497 qlcnic_fwinit_work, FW_POLL_DELAY); 3498 return; 3499 } 3500 3501 err_ret: 3502 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3503 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3504 netif_device_attach(adapter->netdev); 3505 qlcnic_clr_all_drv_state(adapter, 0); 3506 } 3507 3508 static void 3509 qlcnic_detach_work(struct work_struct *work) 3510 { 3511 struct qlcnic_adapter *adapter = container_of(work, 3512 struct qlcnic_adapter, fw_work.work); 3513 struct net_device *netdev = adapter->netdev; 3514 u32 status; 3515 3516 netif_device_detach(netdev); 3517 3518 /* Dont grab rtnl lock during Quiscent mode */ 3519 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3520 if (netif_running(netdev)) 3521 __qlcnic_down(adapter, netdev); 3522 } else 3523 qlcnic_down(adapter, netdev); 3524 3525 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3526 3527 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3528 dev_err(&adapter->pdev->dev, 3529 "Detaching the device: peg halt status1=0x%x\n", 3530 status); 3531 3532 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3533 dev_err(&adapter->pdev->dev, 3534 "On board active cooling fan failed. " 3535 "Device has been halted.\n"); 3536 dev_err(&adapter->pdev->dev, 3537 "Replace the adapter.\n"); 3538 } 3539 3540 goto err_ret; 3541 } 3542 3543 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3544 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3545 adapter->ahw->temp); 3546 goto err_ret; 3547 } 3548 3549 /* Dont ack if this instance is the reset owner */ 3550 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3551 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3552 dev_err(&adapter->pdev->dev, 3553 "Failed to set driver state," 3554 "detaching the device.\n"); 3555 goto err_ret; 3556 } 3557 } 3558 3559 adapter->fw_wait_cnt = 0; 3560 3561 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3562 3563 return; 3564 3565 err_ret: 3566 netif_device_attach(netdev); 3567 qlcnic_clr_all_drv_state(adapter, 1); 3568 } 3569 3570 /*Transit NPAR state to NON Operational */ 3571 static void 3572 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3573 { 3574 u32 state; 3575 3576 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3577 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3578 return; 3579 3580 if (qlcnic_api_lock(adapter)) 3581 return; 3582 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3583 QLCNIC_DEV_NPAR_NON_OPER); 3584 qlcnic_api_unlock(adapter); 3585 } 3586 3587 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3588 u32 key) 3589 { 3590 u32 state, xg_val = 0, gb_val = 0; 3591 3592 qlcnic_xg_set_xg0_mask(xg_val); 3593 qlcnic_xg_set_xg1_mask(xg_val); 3594 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3595 qlcnic_gb_set_gb0_mask(gb_val); 3596 qlcnic_gb_set_gb1_mask(gb_val); 3597 qlcnic_gb_set_gb2_mask(gb_val); 3598 qlcnic_gb_set_gb3_mask(gb_val); 3599 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3600 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3601 " on all ports\n"); 3602 adapter->need_fw_reset = 1; 3603 3604 if (qlcnic_api_lock(adapter)) 3605 return; 3606 3607 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3608 3609 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3610 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3611 __func__); 3612 qlcnic_api_unlock(adapter); 3613 3614 return; 3615 } 3616 3617 if (state == QLCNIC_DEV_READY) { 3618 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3619 QLCNIC_DEV_NEED_RESET); 3620 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3621 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3622 qlcnic_idc_debug_info(adapter, 0); 3623 } 3624 3625 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3626 QLCNIC_DEV_NPAR_NON_OPER); 3627 qlcnic_api_unlock(adapter); 3628 } 3629 3630 /* Transit to NPAR READY state from NPAR NOT READY state */ 3631 static void 3632 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3633 { 3634 if (qlcnic_api_lock(adapter)) 3635 return; 3636 3637 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3638 QLCNIC_DEV_NPAR_OPER); 3639 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3640 3641 qlcnic_api_unlock(adapter); 3642 } 3643 3644 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3645 work_func_t func, int delay) 3646 { 3647 if (test_bit(__QLCNIC_AER, &adapter->state)) 3648 return; 3649 3650 INIT_DELAYED_WORK(&adapter->fw_work, func); 3651 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3652 round_jiffies_relative(delay)); 3653 } 3654 3655 static void 3656 qlcnic_attach_work(struct work_struct *work) 3657 { 3658 struct qlcnic_adapter *adapter = container_of(work, 3659 struct qlcnic_adapter, fw_work.work); 3660 struct net_device *netdev = adapter->netdev; 3661 u32 npar_state; 3662 3663 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3664 npar_state = QLC_SHARED_REG_RD32(adapter, 3665 QLCNIC_CRB_DEV_NPAR_STATE); 3666 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3667 qlcnic_clr_all_drv_state(adapter, 0); 3668 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3669 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3670 FW_POLL_DELAY); 3671 else 3672 goto attach; 3673 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3674 return; 3675 } 3676 attach: 3677 qlcnic_dcb_get_info(adapter->dcb); 3678 3679 if (netif_running(netdev)) { 3680 if (qlcnic_up(adapter, netdev)) 3681 goto done; 3682 3683 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3684 } 3685 3686 done: 3687 netif_device_attach(netdev); 3688 adapter->fw_fail_cnt = 0; 3689 adapter->flags &= ~QLCNIC_FW_HANG; 3690 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3691 if (adapter->portnum == 0) 3692 qlcnic_set_drv_version(adapter); 3693 3694 if (!qlcnic_clr_drv_state(adapter)) 3695 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3696 FW_POLL_DELAY); 3697 } 3698 3699 static int 3700 qlcnic_check_health(struct qlcnic_adapter *adapter) 3701 { 3702 struct qlcnic_hardware_context *ahw = adapter->ahw; 3703 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3704 u32 state = 0, heartbeat; 3705 u32 peg_status; 3706 int err = 0; 3707 3708 if (qlcnic_check_temp(adapter)) 3709 goto detach; 3710 3711 if (adapter->need_fw_reset) 3712 qlcnic_dev_request_reset(adapter, 0); 3713 3714 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3715 if (state == QLCNIC_DEV_NEED_RESET) { 3716 qlcnic_set_npar_non_operational(adapter); 3717 adapter->need_fw_reset = 1; 3718 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3719 goto detach; 3720 3721 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3722 if (heartbeat != adapter->heartbeat) { 3723 adapter->heartbeat = heartbeat; 3724 adapter->fw_fail_cnt = 0; 3725 if (adapter->need_fw_reset) 3726 goto detach; 3727 3728 if (ahw->reset_context && qlcnic_auto_fw_reset) 3729 qlcnic_reset_hw_context(adapter); 3730 3731 return 0; 3732 } 3733 3734 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3735 return 0; 3736 3737 adapter->flags |= QLCNIC_FW_HANG; 3738 3739 qlcnic_dev_request_reset(adapter, 0); 3740 3741 if (qlcnic_auto_fw_reset) 3742 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3743 3744 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3745 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3746 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3747 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3748 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3749 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3750 "PEG_NET_4_PC: 0x%x\n", 3751 peg_status, 3752 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3753 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3754 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3755 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3756 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3757 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3758 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3759 dev_err(&adapter->pdev->dev, 3760 "Firmware aborted with error code 0x00006700. " 3761 "Device is being reset.\n"); 3762 detach: 3763 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3764 QLCNIC_DEV_NEED_RESET; 3765 3766 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3767 &adapter->state)) { 3768 3769 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3770 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3771 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3772 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3773 qlcnic_dump_fw(adapter); 3774 } 3775 3776 return 1; 3777 } 3778 3779 void qlcnic_fw_poll_work(struct work_struct *work) 3780 { 3781 struct qlcnic_adapter *adapter = container_of(work, 3782 struct qlcnic_adapter, fw_work.work); 3783 3784 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3785 goto reschedule; 3786 3787 3788 if (qlcnic_check_health(adapter)) 3789 return; 3790 3791 if (adapter->fhash.fnum) 3792 qlcnic_prune_lb_filters(adapter); 3793 3794 reschedule: 3795 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3796 } 3797 3798 static int qlcnic_is_first_func(struct pci_dev *pdev) 3799 { 3800 struct pci_dev *oth_pdev; 3801 int val = pdev->devfn; 3802 3803 while (val-- > 0) { 3804 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3805 (pdev->bus), pdev->bus->number, 3806 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3807 if (!oth_pdev) 3808 continue; 3809 3810 if (oth_pdev->current_state != PCI_D3cold) { 3811 pci_dev_put(oth_pdev); 3812 return 0; 3813 } 3814 pci_dev_put(oth_pdev); 3815 } 3816 return 1; 3817 } 3818 3819 static int qlcnic_attach_func(struct pci_dev *pdev) 3820 { 3821 int err, first_func; 3822 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3823 struct net_device *netdev = adapter->netdev; 3824 3825 pdev->error_state = pci_channel_io_normal; 3826 3827 err = pci_enable_device(pdev); 3828 if (err) 3829 return err; 3830 3831 pci_set_master(pdev); 3832 pci_restore_state(pdev); 3833 3834 first_func = qlcnic_is_first_func(pdev); 3835 3836 if (qlcnic_api_lock(adapter)) 3837 return -EINVAL; 3838 3839 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3840 adapter->need_fw_reset = 1; 3841 set_bit(__QLCNIC_START_FW, &adapter->state); 3842 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3843 QLCNIC_DEV_INITIALIZING); 3844 QLCDB(adapter, DRV, "Restarting fw\n"); 3845 } 3846 qlcnic_api_unlock(adapter); 3847 3848 err = qlcnic_start_firmware(adapter); 3849 if (err) 3850 return err; 3851 3852 qlcnic_clr_drv_state(adapter); 3853 kfree(adapter->msix_entries); 3854 adapter->msix_entries = NULL; 3855 err = qlcnic_setup_intr(adapter); 3856 3857 if (err) { 3858 kfree(adapter->msix_entries); 3859 netdev_err(netdev, "failed to setup interrupt\n"); 3860 return err; 3861 } 3862 3863 if (netif_running(netdev)) { 3864 err = qlcnic_attach(adapter); 3865 if (err) { 3866 qlcnic_clr_all_drv_state(adapter, 1); 3867 clear_bit(__QLCNIC_AER, &adapter->state); 3868 netif_device_attach(netdev); 3869 return err; 3870 } 3871 3872 err = qlcnic_up(adapter, netdev); 3873 if (err) 3874 goto done; 3875 3876 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3877 } 3878 done: 3879 netif_device_attach(netdev); 3880 return err; 3881 } 3882 3883 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3884 pci_channel_state_t state) 3885 { 3886 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3887 struct net_device *netdev = adapter->netdev; 3888 3889 if (state == pci_channel_io_perm_failure) 3890 return PCI_ERS_RESULT_DISCONNECT; 3891 3892 if (state == pci_channel_io_normal) 3893 return PCI_ERS_RESULT_RECOVERED; 3894 3895 set_bit(__QLCNIC_AER, &adapter->state); 3896 netif_device_detach(netdev); 3897 3898 cancel_delayed_work_sync(&adapter->fw_work); 3899 3900 if (netif_running(netdev)) 3901 qlcnic_down(adapter, netdev); 3902 3903 qlcnic_detach(adapter); 3904 qlcnic_teardown_intr(adapter); 3905 3906 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3907 3908 pci_save_state(pdev); 3909 pci_disable_device(pdev); 3910 3911 return PCI_ERS_RESULT_NEED_RESET; 3912 } 3913 3914 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3915 { 3916 pci_ers_result_t res; 3917 3918 rtnl_lock(); 3919 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3920 PCI_ERS_RESULT_RECOVERED; 3921 rtnl_unlock(); 3922 3923 return res; 3924 } 3925 3926 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3927 { 3928 u32 state; 3929 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3930 3931 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3932 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3933 &adapter->state)) 3934 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3935 FW_POLL_DELAY); 3936 } 3937 3938 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3939 pci_channel_state_t state) 3940 { 3941 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3942 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3943 3944 if (hw_ops->io_error_detected) { 3945 return hw_ops->io_error_detected(pdev, state); 3946 } else { 3947 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3948 return PCI_ERS_RESULT_DISCONNECT; 3949 } 3950 } 3951 3952 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3953 { 3954 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3955 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3956 3957 if (hw_ops->io_slot_reset) { 3958 return hw_ops->io_slot_reset(pdev); 3959 } else { 3960 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3961 return PCI_ERS_RESULT_DISCONNECT; 3962 } 3963 } 3964 3965 static void qlcnic_io_resume(struct pci_dev *pdev) 3966 { 3967 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3968 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3969 3970 if (hw_ops->io_resume) 3971 hw_ops->io_resume(pdev); 3972 else 3973 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3974 } 3975 3976 3977 static int 3978 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3979 { 3980 int err; 3981 3982 err = qlcnic_can_start_firmware(adapter); 3983 if (err) 3984 return err; 3985 3986 err = qlcnic_check_npar_opertional(adapter); 3987 if (err) 3988 return err; 3989 3990 err = qlcnic_initialize_nic(adapter); 3991 if (err) 3992 return err; 3993 3994 qlcnic_check_options(adapter); 3995 3996 err = qlcnic_set_eswitch_port_config(adapter); 3997 if (err) 3998 return err; 3999 4000 adapter->need_fw_reset = 0; 4001 4002 return err; 4003 } 4004 4005 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4006 int queue_type) 4007 { 4008 struct net_device *netdev = adapter->netdev; 4009 char buf[8]; 4010 4011 if (queue_type == QLCNIC_RX_QUEUE) 4012 strcpy(buf, "SDS"); 4013 else 4014 strcpy(buf, "Tx"); 4015 4016 if (!is_power_of_2(ring_cnt)) { 4017 netdev_err(netdev, "%s rings value should be a power of 2\n", 4018 buf); 4019 return -EINVAL; 4020 } 4021 4022 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4023 !qlcnic_check_multi_tx(adapter)) { 4024 netdev_err(netdev, "No Multi Tx queue support\n"); 4025 return -EINVAL; 4026 } 4027 4028 if (ring_cnt > num_online_cpus()) { 4029 netdev_err(netdev, 4030 "%s value[%u] should not be higher than, number of online CPUs\n", 4031 buf, num_online_cpus()); 4032 return -EINVAL; 4033 } 4034 4035 return 0; 4036 } 4037 4038 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4039 { 4040 struct net_device *netdev = adapter->netdev; 4041 u8 tx_rings, rx_rings; 4042 int err; 4043 4044 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4045 return -EBUSY; 4046 4047 tx_rings = adapter->drv_tss_rings; 4048 rx_rings = adapter->drv_rss_rings; 4049 4050 netif_device_detach(netdev); 4051 4052 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4053 if (err) 4054 goto done; 4055 4056 if (netif_running(netdev)) 4057 __qlcnic_down(adapter, netdev); 4058 4059 qlcnic_detach(adapter); 4060 4061 if (qlcnic_83xx_check(adapter)) { 4062 qlcnic_83xx_free_mbx_intr(adapter); 4063 qlcnic_83xx_enable_mbx_poll(adapter); 4064 } 4065 4066 qlcnic_teardown_intr(adapter); 4067 4068 err = qlcnic_setup_intr(adapter); 4069 if (err) { 4070 kfree(adapter->msix_entries); 4071 netdev_err(netdev, "failed to setup interrupt\n"); 4072 return err; 4073 } 4074 4075 /* Check if we need to update real_num_{tx|rx}_queues because 4076 * qlcnic_setup_intr() may change Tx/Rx rings size 4077 */ 4078 if ((tx_rings != adapter->drv_tx_rings) || 4079 (rx_rings != adapter->drv_sds_rings)) { 4080 err = qlcnic_set_real_num_queues(adapter, 4081 adapter->drv_tx_rings, 4082 adapter->drv_sds_rings); 4083 if (err) 4084 goto done; 4085 } 4086 4087 if (qlcnic_83xx_check(adapter)) { 4088 qlcnic_83xx_initialize_nic(adapter, 1); 4089 err = qlcnic_83xx_setup_mbx_intr(adapter); 4090 qlcnic_83xx_disable_mbx_poll(adapter); 4091 if (err) { 4092 dev_err(&adapter->pdev->dev, 4093 "failed to setup mbx interrupt\n"); 4094 goto done; 4095 } 4096 } 4097 4098 if (netif_running(netdev)) { 4099 err = qlcnic_attach(adapter); 4100 if (err) 4101 goto done; 4102 err = __qlcnic_up(adapter, netdev); 4103 if (err) 4104 goto done; 4105 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4106 } 4107 done: 4108 netif_device_attach(netdev); 4109 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4110 return err; 4111 } 4112 4113 #ifdef CONFIG_INET 4114 4115 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4116 4117 static void 4118 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4119 struct net_device *dev, unsigned long event) 4120 { 4121 struct in_device *indev; 4122 4123 indev = in_dev_get(dev); 4124 if (!indev) 4125 return; 4126 4127 for_ifa(indev) { 4128 switch (event) { 4129 case NETDEV_UP: 4130 qlcnic_config_ipaddr(adapter, 4131 ifa->ifa_address, QLCNIC_IP_UP); 4132 break; 4133 case NETDEV_DOWN: 4134 qlcnic_config_ipaddr(adapter, 4135 ifa->ifa_address, QLCNIC_IP_DOWN); 4136 break; 4137 default: 4138 break; 4139 } 4140 } endfor_ifa(indev); 4141 4142 in_dev_put(indev); 4143 } 4144 4145 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4146 { 4147 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4148 struct net_device *dev; 4149 u16 vid; 4150 4151 qlcnic_config_indev_addr(adapter, netdev, event); 4152 4153 rcu_read_lock(); 4154 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4155 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4156 if (!dev) 4157 continue; 4158 qlcnic_config_indev_addr(adapter, dev, event); 4159 } 4160 rcu_read_unlock(); 4161 } 4162 4163 static int qlcnic_netdev_event(struct notifier_block *this, 4164 unsigned long event, void *ptr) 4165 { 4166 struct qlcnic_adapter *adapter; 4167 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4168 4169 recheck: 4170 if (dev == NULL) 4171 goto done; 4172 4173 if (is_vlan_dev(dev)) { 4174 dev = vlan_dev_real_dev(dev); 4175 goto recheck; 4176 } 4177 4178 if (!is_qlcnic_netdev(dev)) 4179 goto done; 4180 4181 adapter = netdev_priv(dev); 4182 4183 if (!adapter) 4184 goto done; 4185 4186 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4187 goto done; 4188 4189 qlcnic_config_indev_addr(adapter, dev, event); 4190 done: 4191 return NOTIFY_DONE; 4192 } 4193 4194 static int 4195 qlcnic_inetaddr_event(struct notifier_block *this, 4196 unsigned long event, void *ptr) 4197 { 4198 struct qlcnic_adapter *adapter; 4199 struct net_device *dev; 4200 4201 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4202 4203 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4204 4205 recheck: 4206 if (dev == NULL) 4207 goto done; 4208 4209 if (is_vlan_dev(dev)) { 4210 dev = vlan_dev_real_dev(dev); 4211 goto recheck; 4212 } 4213 4214 if (!is_qlcnic_netdev(dev)) 4215 goto done; 4216 4217 adapter = netdev_priv(dev); 4218 4219 if (!adapter) 4220 goto done; 4221 4222 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4223 goto done; 4224 4225 switch (event) { 4226 case NETDEV_UP: 4227 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4228 4229 break; 4230 case NETDEV_DOWN: 4231 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4232 4233 break; 4234 default: 4235 break; 4236 } 4237 4238 done: 4239 return NOTIFY_DONE; 4240 } 4241 4242 static struct notifier_block qlcnic_netdev_cb = { 4243 .notifier_call = qlcnic_netdev_event, 4244 }; 4245 4246 static struct notifier_block qlcnic_inetaddr_cb = { 4247 .notifier_call = qlcnic_inetaddr_event, 4248 }; 4249 #else 4250 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4251 { } 4252 #endif 4253 static const struct pci_error_handlers qlcnic_err_handler = { 4254 .error_detected = qlcnic_io_error_detected, 4255 .slot_reset = qlcnic_io_slot_reset, 4256 .resume = qlcnic_io_resume, 4257 }; 4258 4259 static struct pci_driver qlcnic_driver = { 4260 .name = qlcnic_driver_name, 4261 .id_table = qlcnic_pci_tbl, 4262 .probe = qlcnic_probe, 4263 .remove = qlcnic_remove, 4264 #ifdef CONFIG_PM 4265 .suspend = qlcnic_suspend, 4266 .resume = qlcnic_resume, 4267 #endif 4268 .shutdown = qlcnic_shutdown, 4269 .err_handler = &qlcnic_err_handler, 4270 #ifdef CONFIG_QLCNIC_SRIOV 4271 .sriov_configure = qlcnic_pci_sriov_configure, 4272 #endif 4273 4274 }; 4275 4276 static int __init qlcnic_init_module(void) 4277 { 4278 int ret; 4279 4280 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4281 4282 #ifdef CONFIG_INET 4283 register_netdevice_notifier(&qlcnic_netdev_cb); 4284 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4285 #endif 4286 4287 ret = pci_register_driver(&qlcnic_driver); 4288 if (ret) { 4289 #ifdef CONFIG_INET 4290 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4291 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4292 #endif 4293 } 4294 4295 return ret; 4296 } 4297 4298 module_init(qlcnic_init_module); 4299 4300 static void __exit qlcnic_exit_module(void) 4301 { 4302 pci_unregister_driver(&qlcnic_driver); 4303 4304 #ifdef CONFIG_INET 4305 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4306 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4307 #endif 4308 } 4309 4310 module_exit(qlcnic_exit_module); 4311