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 #ifdef CONFIG_NET_POLL_CONTROLLER 63 static void qlcnic_poll_controller(struct net_device *netdev); 64 #endif 65 66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68 69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70 static irqreturn_t qlcnic_intr(int irq, void *data); 71 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74 75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76 static int qlcnic_start_firmware(struct qlcnic_adapter *); 77 78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83 84 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 85 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 86 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 87 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 88 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 89 static void qlcnic_82xx_io_resume(struct pci_dev *); 90 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 91 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 92 pci_channel_state_t); 93 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 94 { 95 struct qlcnic_hardware_context *ahw = adapter->ahw; 96 97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 99 else 100 return 1; 101 } 102 103 /* PCI Device ID Table */ 104 #define ENTRY(device) \ 105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 107 108 static const struct pci_device_id qlcnic_pci_tbl[] = { 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 116 {0,} 117 }; 118 119 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 120 121 122 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 123 { 124 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 125 } 126 127 static const u32 msi_tgt_status[8] = { 128 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 129 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 130 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 131 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 132 }; 133 134 static const u32 qlcnic_reg_tbl[] = { 135 0x1B20A8, /* PEG_HALT_STAT1 */ 136 0x1B20AC, /* PEG_HALT_STAT2 */ 137 0x1B20B0, /* FW_HEARTBEAT */ 138 0x1B2100, /* LOCK ID */ 139 0x1B2128, /* FW_CAPABILITIES */ 140 0x1B2138, /* drv active */ 141 0x1B2140, /* dev state */ 142 0x1B2144, /* drv state */ 143 0x1B2148, /* drv scratch */ 144 0x1B214C, /* dev partition info */ 145 0x1B2174, /* drv idc ver */ 146 0x1B2150, /* fw version major */ 147 0x1B2154, /* fw version minor */ 148 0x1B2158, /* fw version sub */ 149 0x1B219C, /* npar state */ 150 0x1B21FC, /* FW_IMG_VALID */ 151 0x1B2250, /* CMD_PEG_STATE */ 152 0x1B233C, /* RCV_PEG_STATE */ 153 0x1B23B4, /* ASIC TEMP */ 154 0x1B216C, /* FW api */ 155 0x1B2170, /* drv op mode */ 156 0x13C010, /* flash lock */ 157 0x13C014, /* flash unlock */ 158 }; 159 160 static const struct qlcnic_board_info qlcnic_boards[] = { 161 { PCI_VENDOR_ID_QLOGIC, 162 PCI_DEVICE_ID_QLOGIC_QLE844X, 163 0x0, 164 0x0, 165 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 166 { PCI_VENDOR_ID_QLOGIC, 167 PCI_DEVICE_ID_QLOGIC_QLE834X, 168 PCI_VENDOR_ID_QLOGIC, 169 0x24e, 170 "8300 Series Dual Port 10GbE Converged Network Adapter " 171 "(TCP/IP Networking)" }, 172 { PCI_VENDOR_ID_QLOGIC, 173 PCI_DEVICE_ID_QLOGIC_QLE834X, 174 PCI_VENDOR_ID_QLOGIC, 175 0x243, 176 "8300 Series Single Port 10GbE Converged Network Adapter " 177 "(TCP/IP Networking)" }, 178 { PCI_VENDOR_ID_QLOGIC, 179 PCI_DEVICE_ID_QLOGIC_QLE834X, 180 PCI_VENDOR_ID_QLOGIC, 181 0x24a, 182 "8300 Series Dual Port 10GbE Converged Network Adapter " 183 "(TCP/IP Networking)" }, 184 { PCI_VENDOR_ID_QLOGIC, 185 PCI_DEVICE_ID_QLOGIC_QLE834X, 186 PCI_VENDOR_ID_QLOGIC, 187 0x246, 188 "8300 Series Dual Port 10GbE Converged Network Adapter " 189 "(TCP/IP Networking)" }, 190 { PCI_VENDOR_ID_QLOGIC, 191 PCI_DEVICE_ID_QLOGIC_QLE834X, 192 PCI_VENDOR_ID_QLOGIC, 193 0x252, 194 "8300 Series Dual Port 10GbE Converged Network Adapter " 195 "(TCP/IP Networking)" }, 196 { PCI_VENDOR_ID_QLOGIC, 197 PCI_DEVICE_ID_QLOGIC_QLE834X, 198 PCI_VENDOR_ID_QLOGIC, 199 0x26e, 200 "8300 Series Dual Port 10GbE Converged Network Adapter " 201 "(TCP/IP Networking)" }, 202 { PCI_VENDOR_ID_QLOGIC, 203 PCI_DEVICE_ID_QLOGIC_QLE834X, 204 PCI_VENDOR_ID_QLOGIC, 205 0x260, 206 "8300 Series Dual Port 10GbE Converged Network Adapter " 207 "(TCP/IP Networking)" }, 208 { PCI_VENDOR_ID_QLOGIC, 209 PCI_DEVICE_ID_QLOGIC_QLE834X, 210 PCI_VENDOR_ID_QLOGIC, 211 0x266, 212 "8300 Series Single Port 10GbE Converged Network Adapter " 213 "(TCP/IP Networking)" }, 214 { PCI_VENDOR_ID_QLOGIC, 215 PCI_DEVICE_ID_QLOGIC_QLE834X, 216 PCI_VENDOR_ID_QLOGIC, 217 0x269, 218 "8300 Series Dual Port 10GbE Converged Network Adapter " 219 "(TCP/IP Networking)" }, 220 { PCI_VENDOR_ID_QLOGIC, 221 PCI_DEVICE_ID_QLOGIC_QLE834X, 222 PCI_VENDOR_ID_QLOGIC, 223 0x271, 224 "8300 Series Dual Port 10GbE Converged Network Adapter " 225 "(TCP/IP Networking)" }, 226 { PCI_VENDOR_ID_QLOGIC, 227 PCI_DEVICE_ID_QLOGIC_QLE834X, 228 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 229 { PCI_VENDOR_ID_QLOGIC, 230 PCI_DEVICE_ID_QLOGIC_QLE8830, 231 0x0, 232 0x0, 233 "8830 Series 1/10GbE Controller" }, 234 { PCI_VENDOR_ID_QLOGIC, 235 PCI_DEVICE_ID_QLOGIC_QLE824X, 236 PCI_VENDOR_ID_QLOGIC, 237 0x203, 238 "8200 Series Single Port 10GbE Converged Network Adapter" 239 "(TCP/IP Networking)" }, 240 { PCI_VENDOR_ID_QLOGIC, 241 PCI_DEVICE_ID_QLOGIC_QLE824X, 242 PCI_VENDOR_ID_QLOGIC, 243 0x207, 244 "8200 Series Dual Port 10GbE Converged Network Adapter" 245 "(TCP/IP Networking)" }, 246 { PCI_VENDOR_ID_QLOGIC, 247 PCI_DEVICE_ID_QLOGIC_QLE824X, 248 PCI_VENDOR_ID_QLOGIC, 249 0x20b, 250 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 251 { PCI_VENDOR_ID_QLOGIC, 252 PCI_DEVICE_ID_QLOGIC_QLE824X, 253 PCI_VENDOR_ID_QLOGIC, 254 0x20c, 255 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 256 { PCI_VENDOR_ID_QLOGIC, 257 PCI_DEVICE_ID_QLOGIC_QLE824X, 258 PCI_VENDOR_ID_QLOGIC, 259 0x20f, 260 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 261 { PCI_VENDOR_ID_QLOGIC, 262 PCI_DEVICE_ID_QLOGIC_QLE824X, 263 0x103c, 0x3733, 264 "NC523SFP 10Gb 2-port Server Adapter" }, 265 { PCI_VENDOR_ID_QLOGIC, 266 PCI_DEVICE_ID_QLOGIC_QLE824X, 267 0x103c, 0x3346, 268 "CN1000Q Dual Port Converged Network Adapter" }, 269 { PCI_VENDOR_ID_QLOGIC, 270 PCI_DEVICE_ID_QLOGIC_QLE824X, 271 PCI_VENDOR_ID_QLOGIC, 272 0x210, 273 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 274 { PCI_VENDOR_ID_QLOGIC, 275 PCI_DEVICE_ID_QLOGIC_QLE824X, 276 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 277 }; 278 279 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 280 281 static const 282 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 283 284 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 285 { 286 int size = sizeof(struct qlcnic_host_sds_ring) * count; 287 288 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 289 290 return recv_ctx->sds_rings == NULL; 291 } 292 293 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 294 { 295 kfree(recv_ctx->sds_rings); 296 recv_ctx->sds_rings = NULL; 297 } 298 299 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 300 { 301 struct net_device *netdev = adapter->netdev; 302 struct pci_dev *pdev = adapter->pdev; 303 u8 mac_addr[ETH_ALEN]; 304 int ret; 305 306 ret = qlcnic_get_mac_address(adapter, mac_addr, 307 adapter->ahw->pci_func); 308 if (ret) 309 return ret; 310 311 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 312 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 313 314 /* set station address */ 315 316 if (!is_valid_ether_addr(netdev->dev_addr)) 317 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 318 netdev->dev_addr); 319 320 return 0; 321 } 322 323 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 324 { 325 struct qlcnic_mac_vlan_list *cur; 326 struct list_head *head; 327 328 list_for_each(head, &adapter->mac_list) { 329 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 330 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 331 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 332 0, QLCNIC_MAC_DEL); 333 list_del(&cur->list); 334 kfree(cur); 335 return; 336 } 337 } 338 } 339 340 static int qlcnic_set_mac(struct net_device *netdev, void *p) 341 { 342 struct qlcnic_adapter *adapter = netdev_priv(netdev); 343 struct sockaddr *addr = p; 344 345 if (qlcnic_sriov_vf_check(adapter)) 346 return -EINVAL; 347 348 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 349 return -EOPNOTSUPP; 350 351 if (!is_valid_ether_addr(addr->sa_data)) 352 return -EINVAL; 353 354 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 355 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 356 return 0; 357 358 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 359 netif_device_detach(netdev); 360 qlcnic_napi_disable(adapter); 361 } 362 363 qlcnic_delete_adapter_mac(adapter); 364 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 365 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 366 qlcnic_set_multi(adapter->netdev); 367 368 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 369 netif_device_attach(netdev); 370 qlcnic_napi_enable(adapter); 371 } 372 return 0; 373 } 374 375 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 376 struct net_device *netdev, 377 const unsigned char *addr, u16 vid) 378 { 379 struct qlcnic_adapter *adapter = netdev_priv(netdev); 380 int err = -EOPNOTSUPP; 381 382 if (!adapter->fdb_mac_learn) 383 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 384 385 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 386 qlcnic_sriov_check(adapter)) { 387 if (is_unicast_ether_addr(addr)) { 388 err = dev_uc_del(netdev, addr); 389 if (!err) 390 err = qlcnic_nic_del_mac(adapter, addr); 391 } else if (is_multicast_ether_addr(addr)) { 392 err = dev_mc_del(netdev, addr); 393 } else { 394 err = -EINVAL; 395 } 396 } 397 return err; 398 } 399 400 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 401 struct net_device *netdev, 402 const unsigned char *addr, u16 vid, u16 flags) 403 { 404 struct qlcnic_adapter *adapter = netdev_priv(netdev); 405 int err = 0; 406 407 if (!adapter->fdb_mac_learn) 408 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 409 410 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 411 !qlcnic_sriov_check(adapter)) { 412 pr_info("%s: FDB e-switch is not enabled\n", __func__); 413 return -EOPNOTSUPP; 414 } 415 416 if (ether_addr_equal(addr, adapter->mac_addr)) 417 return err; 418 419 if (is_unicast_ether_addr(addr)) { 420 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 421 err = dev_uc_add_excl(netdev, addr); 422 else 423 err = -ENOMEM; 424 } else if (is_multicast_ether_addr(addr)) { 425 err = dev_mc_add_excl(netdev, addr); 426 } else { 427 err = -EINVAL; 428 } 429 430 return err; 431 } 432 433 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 434 struct net_device *netdev, 435 struct net_device *filter_dev, int *idx) 436 { 437 struct qlcnic_adapter *adapter = netdev_priv(netdev); 438 int err = 0; 439 440 if (!adapter->fdb_mac_learn) 441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 442 443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 444 qlcnic_sriov_check(adapter)) 445 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 446 447 return err; 448 } 449 450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 451 { 452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 453 usleep_range(10000, 11000); 454 455 if (!adapter->fw_work.work.func) 456 return; 457 458 cancel_delayed_work_sync(&adapter->fw_work); 459 } 460 461 static int qlcnic_get_phys_port_id(struct net_device *netdev, 462 struct netdev_phys_item_id *ppid) 463 { 464 struct qlcnic_adapter *adapter = netdev_priv(netdev); 465 struct qlcnic_hardware_context *ahw = adapter->ahw; 466 467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 468 return -EOPNOTSUPP; 469 470 ppid->id_len = sizeof(ahw->phys_port_id); 471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 472 473 return 0; 474 } 475 476 static void qlcnic_add_vxlan_port(struct net_device *netdev, 477 struct udp_tunnel_info *ti) 478 { 479 struct qlcnic_adapter *adapter = netdev_priv(netdev); 480 struct qlcnic_hardware_context *ahw = adapter->ahw; 481 482 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 483 return; 484 485 /* Adapter supports only one VXLAN port. Use very first port 486 * for enabling offload 487 */ 488 if (!qlcnic_encap_rx_offload(adapter)) 489 return; 490 if (!ahw->vxlan_port_count) { 491 ahw->vxlan_port_count = 1; 492 ahw->vxlan_port = ntohs(ti->port); 493 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 494 return; 495 } 496 if (ahw->vxlan_port == ntohs(ti->port)) 497 ahw->vxlan_port_count++; 498 499 } 500 501 static void qlcnic_del_vxlan_port(struct net_device *netdev, 502 struct udp_tunnel_info *ti) 503 { 504 struct qlcnic_adapter *adapter = netdev_priv(netdev); 505 struct qlcnic_hardware_context *ahw = adapter->ahw; 506 507 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 508 return; 509 510 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 511 (ahw->vxlan_port != ntohs(ti->port))) 512 return; 513 514 ahw->vxlan_port_count--; 515 if (!ahw->vxlan_port_count) 516 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 517 } 518 519 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 520 struct net_device *dev, 521 netdev_features_t features) 522 { 523 features = vlan_features_check(skb, features); 524 return vxlan_features_check(skb, features); 525 } 526 527 static const struct net_device_ops qlcnic_netdev_ops = { 528 .ndo_open = qlcnic_open, 529 .ndo_stop = qlcnic_close, 530 .ndo_start_xmit = qlcnic_xmit_frame, 531 .ndo_get_stats = qlcnic_get_stats, 532 .ndo_validate_addr = eth_validate_addr, 533 .ndo_set_rx_mode = qlcnic_set_multi, 534 .ndo_set_mac_address = qlcnic_set_mac, 535 .ndo_change_mtu = qlcnic_change_mtu, 536 .ndo_fix_features = qlcnic_fix_features, 537 .ndo_set_features = qlcnic_set_features, 538 .ndo_tx_timeout = qlcnic_tx_timeout, 539 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 540 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 541 .ndo_fdb_add = qlcnic_fdb_add, 542 .ndo_fdb_del = qlcnic_fdb_del, 543 .ndo_fdb_dump = qlcnic_fdb_dump, 544 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 545 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port, 546 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port, 547 .ndo_features_check = qlcnic_features_check, 548 #ifdef CONFIG_NET_POLL_CONTROLLER 549 .ndo_poll_controller = qlcnic_poll_controller, 550 #endif 551 #ifdef CONFIG_QLCNIC_SRIOV 552 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 553 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 554 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 555 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 556 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 557 #endif 558 }; 559 560 static const struct net_device_ops qlcnic_netdev_failed_ops = { 561 .ndo_open = qlcnic_open, 562 }; 563 564 static struct qlcnic_nic_template qlcnic_ops = { 565 .config_bridged_mode = qlcnic_config_bridged_mode, 566 .config_led = qlcnic_82xx_config_led, 567 .start_firmware = qlcnic_82xx_start_firmware, 568 .request_reset = qlcnic_82xx_dev_request_reset, 569 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 570 .napi_add = qlcnic_82xx_napi_add, 571 .napi_del = qlcnic_82xx_napi_del, 572 .config_ipaddr = qlcnic_82xx_config_ipaddr, 573 .shutdown = qlcnic_82xx_shutdown, 574 .resume = qlcnic_82xx_resume, 575 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 576 }; 577 578 struct qlcnic_nic_template qlcnic_vf_ops = { 579 .config_bridged_mode = qlcnicvf_config_bridged_mode, 580 .config_led = qlcnicvf_config_led, 581 .start_firmware = qlcnicvf_start_firmware 582 }; 583 584 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 585 .read_crb = qlcnic_82xx_read_crb, 586 .write_crb = qlcnic_82xx_write_crb, 587 .read_reg = qlcnic_82xx_hw_read_wx_2M, 588 .write_reg = qlcnic_82xx_hw_write_wx_2M, 589 .get_mac_address = qlcnic_82xx_get_mac_address, 590 .setup_intr = qlcnic_82xx_setup_intr, 591 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 592 .mbx_cmd = qlcnic_82xx_issue_cmd, 593 .get_func_no = qlcnic_82xx_get_func_no, 594 .api_lock = qlcnic_82xx_api_lock, 595 .api_unlock = qlcnic_82xx_api_unlock, 596 .add_sysfs = qlcnic_82xx_add_sysfs, 597 .remove_sysfs = qlcnic_82xx_remove_sysfs, 598 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 599 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 600 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 601 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 602 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 603 .setup_link_event = qlcnic_82xx_linkevent_request, 604 .get_nic_info = qlcnic_82xx_get_nic_info, 605 .get_pci_info = qlcnic_82xx_get_pci_info, 606 .set_nic_info = qlcnic_82xx_set_nic_info, 607 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 608 .napi_enable = qlcnic_82xx_napi_enable, 609 .napi_disable = qlcnic_82xx_napi_disable, 610 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 611 .config_rss = qlcnic_82xx_config_rss, 612 .config_hw_lro = qlcnic_82xx_config_hw_lro, 613 .config_loopback = qlcnic_82xx_set_lb_mode, 614 .clear_loopback = qlcnic_82xx_clear_lb_mode, 615 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 616 .change_l2_filter = qlcnic_82xx_change_filter, 617 .get_board_info = qlcnic_82xx_get_board_info, 618 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 619 .free_mac_list = qlcnic_82xx_free_mac_list, 620 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 621 .io_error_detected = qlcnic_82xx_io_error_detected, 622 .io_slot_reset = qlcnic_82xx_io_slot_reset, 623 .io_resume = qlcnic_82xx_io_resume, 624 .get_beacon_state = qlcnic_82xx_get_beacon_state, 625 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 626 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 627 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 628 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 629 .get_saved_state = qlcnic_82xx_get_saved_state, 630 .set_saved_state = qlcnic_82xx_set_saved_state, 631 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 632 .get_cap_size = qlcnic_82xx_get_cap_size, 633 .set_sys_info = qlcnic_82xx_set_sys_info, 634 .store_cap_mask = qlcnic_82xx_store_cap_mask, 635 }; 636 637 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 638 { 639 struct qlcnic_hardware_context *ahw = adapter->ahw; 640 641 if (qlcnic_82xx_check(adapter) && 642 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 643 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 644 return 0; 645 } else { 646 return 1; 647 } 648 } 649 650 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 651 int queue_type) 652 { 653 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 654 655 if (queue_type == QLCNIC_RX_QUEUE) 656 max_rings = adapter->max_sds_rings; 657 else if (queue_type == QLCNIC_TX_QUEUE) 658 max_rings = adapter->max_tx_rings; 659 660 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 661 max_rings)); 662 663 if (ring_cnt > num_rings) 664 return num_rings; 665 else 666 return ring_cnt; 667 } 668 669 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 670 { 671 /* 83xx adapter does not have max_tx_rings intialized in probe */ 672 if (adapter->max_tx_rings) 673 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 674 QLCNIC_TX_QUEUE); 675 else 676 adapter->drv_tx_rings = tx_cnt; 677 } 678 679 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 680 { 681 /* 83xx adapter does not have max_sds_rings intialized in probe */ 682 if (adapter->max_sds_rings) 683 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 684 QLCNIC_RX_QUEUE); 685 else 686 adapter->drv_sds_rings = rx_cnt; 687 } 688 689 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 690 { 691 struct pci_dev *pdev = adapter->pdev; 692 int num_msix = 0, err = 0, vector; 693 694 adapter->flags &= ~QLCNIC_TSS_RSS; 695 696 if (adapter->drv_tss_rings > 0) 697 num_msix += adapter->drv_tss_rings; 698 else 699 num_msix += adapter->drv_tx_rings; 700 701 if (adapter->drv_rss_rings > 0) 702 num_msix += adapter->drv_rss_rings; 703 else 704 num_msix += adapter->drv_sds_rings; 705 706 if (qlcnic_83xx_check(adapter)) 707 num_msix += 1; 708 709 if (!adapter->msix_entries) { 710 adapter->msix_entries = kcalloc(num_msix, 711 sizeof(struct msix_entry), 712 GFP_KERNEL); 713 if (!adapter->msix_entries) 714 return -ENOMEM; 715 } 716 717 for (vector = 0; vector < num_msix; vector++) 718 adapter->msix_entries[vector].entry = vector; 719 720 restore: 721 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 722 if (err == -ENOSPC) { 723 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 724 return err; 725 726 netdev_info(adapter->netdev, 727 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 728 num_msix, err); 729 730 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 731 732 /* Set rings to 0 so we can restore original TSS/RSS count */ 733 adapter->drv_tss_rings = 0; 734 adapter->drv_rss_rings = 0; 735 736 if (qlcnic_83xx_check(adapter)) 737 num_msix += 1; 738 739 netdev_info(adapter->netdev, 740 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 741 adapter->drv_tx_rings, adapter->drv_sds_rings, 742 num_msix); 743 744 goto restore; 745 } else if (err < 0) { 746 return err; 747 } 748 749 adapter->ahw->num_msix = num_msix; 750 if (adapter->drv_tss_rings > 0) 751 adapter->drv_tx_rings = adapter->drv_tss_rings; 752 753 if (adapter->drv_rss_rings > 0) 754 adapter->drv_sds_rings = adapter->drv_rss_rings; 755 756 return 0; 757 } 758 759 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 760 { 761 struct pci_dev *pdev = adapter->pdev; 762 int err, vector; 763 764 if (!adapter->msix_entries) { 765 adapter->msix_entries = kcalloc(num_msix, 766 sizeof(struct msix_entry), 767 GFP_KERNEL); 768 if (!adapter->msix_entries) 769 return -ENOMEM; 770 } 771 772 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 773 774 if (adapter->ahw->msix_supported) { 775 enable_msix: 776 for (vector = 0; vector < num_msix; vector++) 777 adapter->msix_entries[vector].entry = vector; 778 779 err = pci_enable_msix_range(pdev, 780 adapter->msix_entries, 1, num_msix); 781 782 if (err == num_msix) { 783 adapter->flags |= QLCNIC_MSIX_ENABLED; 784 adapter->ahw->num_msix = num_msix; 785 dev_info(&pdev->dev, "using msi-x interrupts\n"); 786 return 0; 787 } else if (err > 0) { 788 pci_disable_msix(pdev); 789 790 dev_info(&pdev->dev, 791 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 792 num_msix, err); 793 794 if (qlcnic_82xx_check(adapter)) { 795 num_msix = rounddown_pow_of_two(err); 796 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 797 return -ENOSPC; 798 } else { 799 num_msix = rounddown_pow_of_two(err - 1); 800 num_msix += 1; 801 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 802 return -ENOSPC; 803 } 804 805 if (qlcnic_82xx_check(adapter) && 806 !qlcnic_check_multi_tx(adapter)) { 807 adapter->drv_sds_rings = num_msix; 808 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 809 } else { 810 /* Distribute vectors equally */ 811 adapter->drv_tx_rings = num_msix / 2; 812 adapter->drv_sds_rings = adapter->drv_tx_rings; 813 } 814 815 if (num_msix) { 816 dev_info(&pdev->dev, 817 "Trying to allocate %d MSI-X interrupt vectors\n", 818 num_msix); 819 goto enable_msix; 820 } 821 } else { 822 dev_info(&pdev->dev, 823 "Unable to allocate %d MSI-X vectors, err=%d\n", 824 num_msix, err); 825 return err; 826 } 827 } 828 829 return -EIO; 830 } 831 832 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 833 { 834 int num_msix; 835 836 num_msix = adapter->drv_sds_rings; 837 838 if (qlcnic_check_multi_tx(adapter)) 839 num_msix += adapter->drv_tx_rings; 840 else 841 num_msix += QLCNIC_SINGLE_RING; 842 843 return num_msix; 844 } 845 846 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 847 { 848 int err = 0; 849 u32 offset, mask_reg; 850 const struct qlcnic_legacy_intr_set *legacy_intrp; 851 struct qlcnic_hardware_context *ahw = adapter->ahw; 852 struct pci_dev *pdev = adapter->pdev; 853 854 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 855 adapter->flags |= QLCNIC_MSI_ENABLED; 856 offset = msi_tgt_status[adapter->ahw->pci_func]; 857 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 858 offset); 859 dev_info(&pdev->dev, "using msi interrupts\n"); 860 adapter->msix_entries[0].vector = pdev->irq; 861 return err; 862 } 863 864 if (qlcnic_use_msi || qlcnic_use_msi_x) 865 return -EOPNOTSUPP; 866 867 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 868 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 869 offset = legacy_intrp->tgt_status_reg; 870 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 871 mask_reg = legacy_intrp->tgt_mask_reg; 872 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 873 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 874 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 875 dev_info(&pdev->dev, "using legacy interrupts\n"); 876 adapter->msix_entries[0].vector = pdev->irq; 877 return err; 878 } 879 880 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 881 { 882 int num_msix, err = 0; 883 884 if (adapter->flags & QLCNIC_TSS_RSS) { 885 err = qlcnic_setup_tss_rss_intr(adapter); 886 if (err < 0) 887 return err; 888 num_msix = adapter->ahw->num_msix; 889 } else { 890 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 891 892 err = qlcnic_enable_msix(adapter, num_msix); 893 if (err == -ENOMEM) 894 return err; 895 896 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 897 qlcnic_disable_multi_tx(adapter); 898 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 899 900 err = qlcnic_enable_msi_legacy(adapter); 901 if (err) 902 return err; 903 } 904 } 905 906 return 0; 907 } 908 909 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 910 { 911 struct qlcnic_hardware_context *ahw = adapter->ahw; 912 int err, i; 913 914 if (qlcnic_check_multi_tx(adapter) && 915 !ahw->diag_test && 916 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 917 ahw->intr_tbl = vzalloc(ahw->num_msix * 918 sizeof(struct qlcnic_intrpt_config)); 919 if (!ahw->intr_tbl) 920 return -ENOMEM; 921 922 for (i = 0; i < ahw->num_msix; i++) { 923 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 924 ahw->intr_tbl[i].id = i; 925 ahw->intr_tbl[i].src = 0; 926 } 927 928 err = qlcnic_82xx_config_intrpt(adapter, 1); 929 if (err) 930 dev_err(&adapter->pdev->dev, 931 "Failed to configure Interrupt for %d vector\n", 932 ahw->num_msix); 933 return err; 934 } 935 936 return 0; 937 } 938 939 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 940 { 941 if (adapter->flags & QLCNIC_MSIX_ENABLED) 942 pci_disable_msix(adapter->pdev); 943 if (adapter->flags & QLCNIC_MSI_ENABLED) 944 pci_disable_msi(adapter->pdev); 945 946 kfree(adapter->msix_entries); 947 adapter->msix_entries = NULL; 948 949 if (adapter->ahw->intr_tbl) { 950 vfree(adapter->ahw->intr_tbl); 951 adapter->ahw->intr_tbl = NULL; 952 } 953 } 954 955 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 956 { 957 if (ahw->pci_base0 != NULL) 958 iounmap(ahw->pci_base0); 959 } 960 961 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 962 { 963 struct qlcnic_hardware_context *ahw = adapter->ahw; 964 struct qlcnic_pci_info *pci_info; 965 int ret; 966 967 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 968 switch (ahw->port_type) { 969 case QLCNIC_GBE: 970 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 971 break; 972 case QLCNIC_XGBE: 973 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 974 break; 975 } 976 return 0; 977 } 978 979 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 980 return 0; 981 982 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 983 if (!pci_info) 984 return -ENOMEM; 985 986 ret = qlcnic_get_pci_info(adapter, pci_info); 987 kfree(pci_info); 988 return ret; 989 } 990 991 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 992 { 993 bool ret = false; 994 995 if (qlcnic_84xx_check(adapter)) { 996 ret = true; 997 } else if (qlcnic_83xx_check(adapter)) { 998 if (adapter->ahw->extra_capability[0] & 999 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 1000 ret = true; 1001 else 1002 ret = false; 1003 } 1004 1005 return ret; 1006 } 1007 1008 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1009 { 1010 struct qlcnic_hardware_context *ahw = adapter->ahw; 1011 struct qlcnic_pci_info *pci_info; 1012 int i, id = 0, ret = 0, j = 0; 1013 u16 act_pci_func; 1014 u8 pfn; 1015 1016 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1017 if (!pci_info) 1018 return -ENOMEM; 1019 1020 ret = qlcnic_get_pci_info(adapter, pci_info); 1021 if (ret) 1022 goto err_pci_info; 1023 1024 act_pci_func = ahw->total_nic_func; 1025 1026 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1027 act_pci_func, GFP_KERNEL); 1028 if (!adapter->npars) { 1029 ret = -ENOMEM; 1030 goto err_pci_info; 1031 } 1032 1033 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1034 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1035 if (!adapter->eswitch) { 1036 ret = -ENOMEM; 1037 goto err_npars; 1038 } 1039 1040 for (i = 0; i < ahw->max_vnic_func; i++) { 1041 pfn = pci_info[i].id; 1042 1043 if (pfn >= ahw->max_vnic_func) { 1044 ret = -EINVAL; 1045 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1046 __func__, pfn, ahw->max_vnic_func); 1047 goto err_eswitch; 1048 } 1049 1050 if (!pci_info[i].active || 1051 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1052 continue; 1053 1054 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1055 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1056 &id)) 1057 adapter->npars[j].eswitch_status = true; 1058 else 1059 continue; 1060 } else { 1061 adapter->npars[j].eswitch_status = true; 1062 } 1063 1064 adapter->npars[j].pci_func = pfn; 1065 adapter->npars[j].active = (u8)pci_info[i].active; 1066 adapter->npars[j].type = (u8)pci_info[i].type; 1067 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1068 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1069 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1070 1071 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1072 j++; 1073 } 1074 1075 /* Update eSwitch status for adapters without per port eSwitch 1076 * configuration capability 1077 */ 1078 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1079 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1080 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1081 } 1082 1083 kfree(pci_info); 1084 return 0; 1085 1086 err_eswitch: 1087 kfree(adapter->eswitch); 1088 adapter->eswitch = NULL; 1089 err_npars: 1090 kfree(adapter->npars); 1091 adapter->npars = NULL; 1092 err_pci_info: 1093 kfree(pci_info); 1094 1095 return ret; 1096 } 1097 1098 static int 1099 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1100 { 1101 u8 id; 1102 int ret; 1103 u32 data = QLCNIC_MGMT_FUNC; 1104 struct qlcnic_hardware_context *ahw = adapter->ahw; 1105 1106 ret = qlcnic_api_lock(adapter); 1107 if (ret) 1108 goto err_lock; 1109 1110 id = ahw->pci_func; 1111 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1112 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1113 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1114 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1115 qlcnic_api_unlock(adapter); 1116 err_lock: 1117 return ret; 1118 } 1119 1120 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1121 const struct pci_device_id *ent) 1122 { 1123 u32 op_mode, priv_level; 1124 1125 /* Determine FW API version */ 1126 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1127 QLCNIC_FW_API); 1128 1129 /* Find PCI function number */ 1130 qlcnic_get_func_no(adapter); 1131 1132 /* Determine function privilege level */ 1133 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1134 if (op_mode == QLC_DEV_DRV_DEFAULT) 1135 priv_level = QLCNIC_MGMT_FUNC; 1136 else 1137 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1138 1139 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1140 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1141 dev_info(&adapter->pdev->dev, 1142 "HAL Version: %d Non Privileged function\n", 1143 adapter->ahw->fw_hal_version); 1144 adapter->nic_ops = &qlcnic_vf_ops; 1145 } else 1146 adapter->nic_ops = &qlcnic_ops; 1147 } 1148 1149 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1150 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1151 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1152 { 1153 switch (dev_id) { 1154 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1155 *bar = QLCNIC_82XX_BAR0_LENGTH; 1156 break; 1157 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1158 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1159 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1162 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1163 *bar = QLCNIC_83XX_BAR0_LENGTH; 1164 break; 1165 default: 1166 *bar = 0; 1167 } 1168 } 1169 1170 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1171 struct qlcnic_hardware_context *ahw) 1172 { 1173 u32 offset; 1174 void __iomem *mem_ptr0 = NULL; 1175 unsigned long mem_len, pci_len0 = 0, bar0_len; 1176 1177 /* remap phys address */ 1178 mem_len = pci_resource_len(pdev, 0); 1179 1180 qlcnic_get_bar_length(pdev->device, &bar0_len); 1181 if (mem_len >= bar0_len) { 1182 1183 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1184 if (mem_ptr0 == NULL) { 1185 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1186 return -EIO; 1187 } 1188 pci_len0 = mem_len; 1189 } else { 1190 return -EIO; 1191 } 1192 1193 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1194 1195 ahw->pci_base0 = mem_ptr0; 1196 ahw->pci_len0 = pci_len0; 1197 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1198 qlcnic_get_ioaddr(ahw, offset); 1199 1200 return 0; 1201 } 1202 1203 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1204 int index) 1205 { 1206 struct pci_dev *pdev = adapter->pdev; 1207 unsigned short subsystem_vendor; 1208 bool ret = true; 1209 1210 subsystem_vendor = pdev->subsystem_vendor; 1211 1212 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1213 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1214 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1215 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1216 ret = true; 1217 else 1218 ret = false; 1219 } 1220 1221 return ret; 1222 } 1223 1224 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1225 { 1226 struct pci_dev *pdev = adapter->pdev; 1227 int i, found = 0; 1228 1229 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1230 if (qlcnic_boards[i].vendor == pdev->vendor && 1231 qlcnic_boards[i].device == pdev->device && 1232 qlcnic_validate_subsystem_id(adapter, i)) { 1233 found = 1; 1234 break; 1235 } 1236 } 1237 1238 if (!found) 1239 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1240 else 1241 sprintf(name, "%pM: %s" , adapter->mac_addr, 1242 qlcnic_boards[i].short_name); 1243 } 1244 1245 static void 1246 qlcnic_check_options(struct qlcnic_adapter *adapter) 1247 { 1248 int err; 1249 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1250 struct pci_dev *pdev = adapter->pdev; 1251 struct qlcnic_hardware_context *ahw = adapter->ahw; 1252 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1253 1254 prev_fw_version = adapter->fw_version; 1255 1256 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1257 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1258 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1259 1260 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1261 1262 err = qlcnic_get_board_info(adapter); 1263 if (err) { 1264 dev_err(&pdev->dev, "Error getting board config info.\n"); 1265 return; 1266 } 1267 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1268 if (fw_dump->tmpl_hdr == NULL || 1269 adapter->fw_version > prev_fw_version) { 1270 vfree(fw_dump->tmpl_hdr); 1271 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1272 dev_info(&pdev->dev, 1273 "Supports FW dump capability\n"); 1274 } 1275 } 1276 1277 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1278 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1279 1280 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1281 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1283 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1284 } else { 1285 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1286 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1287 } 1288 1289 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1290 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1291 1292 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1293 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1294 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1295 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1296 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1297 } 1298 1299 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1300 1301 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1302 1303 adapter->max_rds_rings = MAX_RDS_RINGS; 1304 } 1305 1306 static int 1307 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1308 { 1309 struct qlcnic_info nic_info; 1310 int err = 0; 1311 1312 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1313 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1314 if (err) 1315 return err; 1316 1317 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1318 adapter->ahw->switch_mode = nic_info.switch_mode; 1319 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1320 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1321 adapter->ahw->capabilities = nic_info.capabilities; 1322 1323 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1324 u32 temp; 1325 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1326 if (err == -EIO) 1327 return err; 1328 adapter->ahw->extra_capability[0] = temp; 1329 } else { 1330 adapter->ahw->extra_capability[0] = 0; 1331 } 1332 1333 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1334 adapter->ahw->max_mtu = nic_info.max_mtu; 1335 1336 if (adapter->ahw->capabilities & BIT_6) { 1337 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1338 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1339 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1340 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1341 1342 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1343 } else { 1344 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1345 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1346 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1347 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1348 } 1349 1350 return err; 1351 } 1352 1353 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1354 struct qlcnic_esw_func_cfg *esw_cfg) 1355 { 1356 if (esw_cfg->discard_tagged) 1357 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1358 else 1359 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1360 1361 if (esw_cfg->vlan_id) { 1362 adapter->rx_pvid = esw_cfg->vlan_id; 1363 adapter->tx_pvid = esw_cfg->vlan_id; 1364 } else { 1365 adapter->rx_pvid = 0; 1366 adapter->tx_pvid = 0; 1367 } 1368 } 1369 1370 static int 1371 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1372 { 1373 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1374 int err; 1375 1376 if (qlcnic_sriov_vf_check(adapter)) { 1377 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1378 if (err) { 1379 netdev_err(netdev, 1380 "Cannot add VLAN filter for VLAN id %d, err=%d", 1381 vid, err); 1382 return err; 1383 } 1384 } 1385 1386 set_bit(vid, adapter->vlans); 1387 return 0; 1388 } 1389 1390 static int 1391 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1392 { 1393 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1394 int err; 1395 1396 if (qlcnic_sriov_vf_check(adapter)) { 1397 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1398 if (err) { 1399 netdev_err(netdev, 1400 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1401 vid, err); 1402 return err; 1403 } 1404 } 1405 1406 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1407 clear_bit(vid, adapter->vlans); 1408 return 0; 1409 } 1410 1411 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1412 struct qlcnic_esw_func_cfg *esw_cfg) 1413 { 1414 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1415 QLCNIC_PROMISC_DISABLED); 1416 1417 if (esw_cfg->mac_anti_spoof) 1418 adapter->flags |= QLCNIC_MACSPOOF; 1419 1420 if (!esw_cfg->mac_override) 1421 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1422 1423 if (!esw_cfg->promisc_mode) 1424 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1425 } 1426 1427 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1428 { 1429 struct qlcnic_esw_func_cfg esw_cfg; 1430 1431 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1432 return 0; 1433 1434 esw_cfg.pci_func = adapter->ahw->pci_func; 1435 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1436 return -EIO; 1437 qlcnic_set_vlan_config(adapter, &esw_cfg); 1438 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1439 qlcnic_set_netdev_features(adapter, &esw_cfg); 1440 1441 return 0; 1442 } 1443 1444 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1445 struct qlcnic_esw_func_cfg *esw_cfg) 1446 { 1447 struct net_device *netdev = adapter->netdev; 1448 1449 if (qlcnic_83xx_check(adapter)) 1450 return; 1451 1452 adapter->offload_flags = esw_cfg->offload_flags; 1453 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1454 netdev_update_features(netdev); 1455 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1456 } 1457 1458 static int 1459 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1460 { 1461 u32 op_mode, priv_level; 1462 int err = 0; 1463 1464 err = qlcnic_initialize_nic(adapter); 1465 if (err) 1466 return err; 1467 1468 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1469 return 0; 1470 1471 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1472 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1473 1474 if (op_mode == QLC_DEV_DRV_DEFAULT) 1475 priv_level = QLCNIC_MGMT_FUNC; 1476 else 1477 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1478 1479 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1480 if (priv_level == QLCNIC_MGMT_FUNC) { 1481 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1482 err = qlcnic_init_pci_info(adapter); 1483 if (err) 1484 return err; 1485 /* Set privilege level for other functions */ 1486 qlcnic_set_function_modes(adapter); 1487 dev_info(&adapter->pdev->dev, 1488 "HAL Version: %d, Management function\n", 1489 adapter->ahw->fw_hal_version); 1490 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1491 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1492 dev_info(&adapter->pdev->dev, 1493 "HAL Version: %d, Privileged function\n", 1494 adapter->ahw->fw_hal_version); 1495 } 1496 } else { 1497 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1498 } 1499 1500 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1501 1502 return err; 1503 } 1504 1505 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1506 { 1507 struct qlcnic_esw_func_cfg esw_cfg; 1508 struct qlcnic_npar_info *npar; 1509 u8 i; 1510 1511 if (adapter->need_fw_reset) 1512 return 0; 1513 1514 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1515 if (!adapter->npars[i].eswitch_status) 1516 continue; 1517 1518 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1519 esw_cfg.pci_func = adapter->npars[i].pci_func; 1520 esw_cfg.mac_override = BIT_0; 1521 esw_cfg.promisc_mode = BIT_0; 1522 if (qlcnic_82xx_check(adapter)) { 1523 esw_cfg.offload_flags = BIT_0; 1524 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1525 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1526 } 1527 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1528 return -EIO; 1529 npar = &adapter->npars[i]; 1530 npar->pvid = esw_cfg.vlan_id; 1531 npar->mac_override = esw_cfg.mac_override; 1532 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1533 npar->discard_tagged = esw_cfg.discard_tagged; 1534 npar->promisc_mode = esw_cfg.promisc_mode; 1535 npar->offload_flags = esw_cfg.offload_flags; 1536 } 1537 1538 return 0; 1539 } 1540 1541 1542 static int 1543 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1544 struct qlcnic_npar_info *npar, int pci_func) 1545 { 1546 struct qlcnic_esw_func_cfg esw_cfg; 1547 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1548 esw_cfg.pci_func = pci_func; 1549 esw_cfg.vlan_id = npar->pvid; 1550 esw_cfg.mac_override = npar->mac_override; 1551 esw_cfg.discard_tagged = npar->discard_tagged; 1552 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1553 esw_cfg.offload_flags = npar->offload_flags; 1554 esw_cfg.promisc_mode = npar->promisc_mode; 1555 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1556 return -EIO; 1557 1558 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1559 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1560 return -EIO; 1561 1562 return 0; 1563 } 1564 1565 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1566 { 1567 int i, err; 1568 struct qlcnic_npar_info *npar; 1569 struct qlcnic_info nic_info; 1570 u8 pci_func; 1571 1572 if (qlcnic_82xx_check(adapter)) 1573 if (!adapter->need_fw_reset) 1574 return 0; 1575 1576 /* Set the NPAR config data after FW reset */ 1577 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1578 npar = &adapter->npars[i]; 1579 pci_func = npar->pci_func; 1580 if (!adapter->npars[i].eswitch_status) 1581 continue; 1582 1583 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1584 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1585 if (err) 1586 return err; 1587 nic_info.min_tx_bw = npar->min_bw; 1588 nic_info.max_tx_bw = npar->max_bw; 1589 err = qlcnic_set_nic_info(adapter, &nic_info); 1590 if (err) 1591 return err; 1592 1593 if (npar->enable_pm) { 1594 err = qlcnic_config_port_mirroring(adapter, 1595 npar->dest_npar, 1, 1596 pci_func); 1597 if (err) 1598 return err; 1599 } 1600 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1601 if (err) 1602 return err; 1603 } 1604 return 0; 1605 } 1606 1607 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1608 { 1609 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1610 u32 npar_state; 1611 1612 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1613 return 0; 1614 1615 npar_state = QLC_SHARED_REG_RD32(adapter, 1616 QLCNIC_CRB_DEV_NPAR_STATE); 1617 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1618 msleep(1000); 1619 npar_state = QLC_SHARED_REG_RD32(adapter, 1620 QLCNIC_CRB_DEV_NPAR_STATE); 1621 } 1622 if (!npar_opt_timeo) { 1623 dev_err(&adapter->pdev->dev, 1624 "Waiting for NPAR state to operational timeout\n"); 1625 return -EIO; 1626 } 1627 return 0; 1628 } 1629 1630 static int 1631 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1632 { 1633 int err; 1634 1635 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1636 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1637 return 0; 1638 1639 err = qlcnic_set_default_offload_settings(adapter); 1640 if (err) 1641 return err; 1642 1643 err = qlcnic_reset_npar_config(adapter); 1644 if (err) 1645 return err; 1646 1647 qlcnic_dev_set_npar_ready(adapter); 1648 1649 return err; 1650 } 1651 1652 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1653 { 1654 int err; 1655 1656 err = qlcnic_can_start_firmware(adapter); 1657 if (err < 0) 1658 return err; 1659 else if (!err) 1660 goto check_fw_status; 1661 1662 if (qlcnic_load_fw_file) 1663 qlcnic_request_firmware(adapter); 1664 else { 1665 err = qlcnic_check_flash_fw_ver(adapter); 1666 if (err) 1667 goto err_out; 1668 1669 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1670 } 1671 1672 err = qlcnic_need_fw_reset(adapter); 1673 if (err == 0) 1674 goto check_fw_status; 1675 1676 err = qlcnic_pinit_from_rom(adapter); 1677 if (err) 1678 goto err_out; 1679 1680 err = qlcnic_load_firmware(adapter); 1681 if (err) 1682 goto err_out; 1683 1684 qlcnic_release_firmware(adapter); 1685 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1686 1687 check_fw_status: 1688 err = qlcnic_check_fw_status(adapter); 1689 if (err) 1690 goto err_out; 1691 1692 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1693 qlcnic_idc_debug_info(adapter, 1); 1694 err = qlcnic_check_eswitch_mode(adapter); 1695 if (err) { 1696 dev_err(&adapter->pdev->dev, 1697 "Memory allocation failed for eswitch\n"); 1698 goto err_out; 1699 } 1700 err = qlcnic_set_mgmt_operations(adapter); 1701 if (err) 1702 goto err_out; 1703 1704 qlcnic_check_options(adapter); 1705 adapter->need_fw_reset = 0; 1706 1707 qlcnic_release_firmware(adapter); 1708 return 0; 1709 1710 err_out: 1711 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1712 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1713 1714 qlcnic_release_firmware(adapter); 1715 return err; 1716 } 1717 1718 static int 1719 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1720 { 1721 irq_handler_t handler; 1722 struct qlcnic_host_sds_ring *sds_ring; 1723 struct qlcnic_host_tx_ring *tx_ring; 1724 int err, ring, num_sds_rings; 1725 1726 unsigned long flags = 0; 1727 struct net_device *netdev = adapter->netdev; 1728 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1729 1730 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1731 if (qlcnic_82xx_check(adapter)) 1732 handler = qlcnic_tmp_intr; 1733 else 1734 handler = qlcnic_83xx_tmp_intr; 1735 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1736 flags |= IRQF_SHARED; 1737 1738 } else { 1739 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1740 handler = qlcnic_msix_intr; 1741 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1742 handler = qlcnic_msi_intr; 1743 else { 1744 flags |= IRQF_SHARED; 1745 if (qlcnic_82xx_check(adapter)) 1746 handler = qlcnic_intr; 1747 else 1748 handler = qlcnic_83xx_intr; 1749 } 1750 } 1751 adapter->irq = netdev->irq; 1752 1753 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1754 if (qlcnic_82xx_check(adapter) || 1755 (qlcnic_83xx_check(adapter) && 1756 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1757 num_sds_rings = adapter->drv_sds_rings; 1758 for (ring = 0; ring < num_sds_rings; ring++) { 1759 sds_ring = &recv_ctx->sds_rings[ring]; 1760 if (qlcnic_82xx_check(adapter) && 1761 !qlcnic_check_multi_tx(adapter) && 1762 (ring == (num_sds_rings - 1))) { 1763 if (!(adapter->flags & 1764 QLCNIC_MSIX_ENABLED)) 1765 snprintf(sds_ring->name, 1766 sizeof(sds_ring->name), 1767 "qlcnic"); 1768 else 1769 snprintf(sds_ring->name, 1770 sizeof(sds_ring->name), 1771 "%s-tx-0-rx-%d", 1772 netdev->name, ring); 1773 } else { 1774 snprintf(sds_ring->name, 1775 sizeof(sds_ring->name), 1776 "%s-rx-%d", 1777 netdev->name, ring); 1778 } 1779 err = request_irq(sds_ring->irq, handler, flags, 1780 sds_ring->name, sds_ring); 1781 if (err) 1782 return err; 1783 } 1784 } 1785 if ((qlcnic_82xx_check(adapter) && 1786 qlcnic_check_multi_tx(adapter)) || 1787 (qlcnic_83xx_check(adapter) && 1788 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1789 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1790 handler = qlcnic_msix_tx_intr; 1791 for (ring = 0; ring < adapter->drv_tx_rings; 1792 ring++) { 1793 tx_ring = &adapter->tx_ring[ring]; 1794 snprintf(tx_ring->name, sizeof(tx_ring->name), 1795 "%s-tx-%d", netdev->name, ring); 1796 err = request_irq(tx_ring->irq, handler, flags, 1797 tx_ring->name, tx_ring); 1798 if (err) 1799 return err; 1800 } 1801 } 1802 } 1803 return 0; 1804 } 1805 1806 static void 1807 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1808 { 1809 int ring; 1810 struct qlcnic_host_sds_ring *sds_ring; 1811 struct qlcnic_host_tx_ring *tx_ring; 1812 1813 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1814 1815 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1816 if (qlcnic_82xx_check(adapter) || 1817 (qlcnic_83xx_check(adapter) && 1818 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1819 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1820 sds_ring = &recv_ctx->sds_rings[ring]; 1821 free_irq(sds_ring->irq, sds_ring); 1822 } 1823 } 1824 if ((qlcnic_83xx_check(adapter) && 1825 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1826 (qlcnic_82xx_check(adapter) && 1827 qlcnic_check_multi_tx(adapter))) { 1828 for (ring = 0; ring < adapter->drv_tx_rings; 1829 ring++) { 1830 tx_ring = &adapter->tx_ring[ring]; 1831 if (tx_ring->irq) 1832 free_irq(tx_ring->irq, tx_ring); 1833 } 1834 } 1835 } 1836 } 1837 1838 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1839 { 1840 u32 capab = 0; 1841 1842 if (qlcnic_82xx_check(adapter)) { 1843 if (adapter->ahw->extra_capability[0] & 1844 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1845 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1846 } else { 1847 capab = adapter->ahw->capabilities; 1848 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1849 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1850 } 1851 } 1852 1853 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1854 { 1855 struct qlcnic_hardware_context *ahw = adapter->ahw; 1856 int err; 1857 1858 /* Initialize interrupt coalesce parameters */ 1859 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1860 1861 if (qlcnic_83xx_check(adapter)) { 1862 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1865 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1866 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1867 1868 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1869 } else { 1870 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1871 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1872 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1873 1874 err = qlcnic_82xx_set_rx_coalesce(adapter); 1875 } 1876 1877 return err; 1878 } 1879 1880 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1881 { 1882 int ring; 1883 struct qlcnic_host_rds_ring *rds_ring; 1884 1885 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1886 return -EIO; 1887 1888 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1889 return 0; 1890 1891 if (qlcnic_set_eswitch_port_config(adapter)) 1892 return -EIO; 1893 1894 qlcnic_get_lro_mss_capability(adapter); 1895 1896 if (qlcnic_fw_create_ctx(adapter)) 1897 return -EIO; 1898 1899 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1900 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1901 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1902 } 1903 1904 qlcnic_set_multi(netdev); 1905 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1906 1907 adapter->ahw->linkup = 0; 1908 1909 if (adapter->drv_sds_rings > 1) 1910 qlcnic_config_rss(adapter, 1); 1911 1912 qlcnic_config_def_intr_coalesce(adapter); 1913 1914 if (netdev->features & NETIF_F_LRO) 1915 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1916 1917 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1918 qlcnic_napi_enable(adapter); 1919 1920 qlcnic_linkevent_request(adapter, 1); 1921 1922 adapter->ahw->reset_context = 0; 1923 netif_tx_start_all_queues(netdev); 1924 return 0; 1925 } 1926 1927 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1928 { 1929 int err = 0; 1930 1931 rtnl_lock(); 1932 if (netif_running(netdev)) 1933 err = __qlcnic_up(adapter, netdev); 1934 rtnl_unlock(); 1935 1936 return err; 1937 } 1938 1939 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1940 { 1941 int ring; 1942 1943 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1944 return; 1945 1946 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1947 return; 1948 1949 smp_mb(); 1950 netif_carrier_off(netdev); 1951 adapter->ahw->linkup = 0; 1952 netif_tx_disable(netdev); 1953 1954 qlcnic_free_mac_list(adapter); 1955 1956 if (adapter->fhash.fnum) 1957 qlcnic_delete_lb_filters(adapter); 1958 1959 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1960 if (qlcnic_sriov_vf_check(adapter)) 1961 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1962 1963 qlcnic_napi_disable(adapter); 1964 1965 qlcnic_fw_destroy_ctx(adapter); 1966 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1967 1968 qlcnic_reset_rx_buffers_list(adapter); 1969 1970 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1971 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1972 } 1973 1974 /* Usage: During suspend and firmware recovery module */ 1975 1976 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1977 { 1978 rtnl_lock(); 1979 if (netif_running(netdev)) 1980 __qlcnic_down(adapter, netdev); 1981 rtnl_unlock(); 1982 1983 } 1984 1985 int 1986 qlcnic_attach(struct qlcnic_adapter *adapter) 1987 { 1988 struct net_device *netdev = adapter->netdev; 1989 struct pci_dev *pdev = adapter->pdev; 1990 int err; 1991 1992 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1993 return 0; 1994 1995 err = qlcnic_napi_add(adapter, netdev); 1996 if (err) 1997 return err; 1998 1999 err = qlcnic_alloc_sw_resources(adapter); 2000 if (err) { 2001 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2002 goto err_out_napi_del; 2003 } 2004 2005 err = qlcnic_alloc_hw_resources(adapter); 2006 if (err) { 2007 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2008 goto err_out_free_sw; 2009 } 2010 2011 err = qlcnic_request_irq(adapter); 2012 if (err) { 2013 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2014 goto err_out_free_hw; 2015 } 2016 2017 qlcnic_create_sysfs_entries(adapter); 2018 2019 if (qlcnic_encap_rx_offload(adapter)) 2020 udp_tunnel_get_rx_info(netdev); 2021 2022 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2023 return 0; 2024 2025 err_out_free_hw: 2026 qlcnic_free_hw_resources(adapter); 2027 err_out_free_sw: 2028 qlcnic_free_sw_resources(adapter); 2029 err_out_napi_del: 2030 qlcnic_napi_del(adapter); 2031 return err; 2032 } 2033 2034 void qlcnic_detach(struct qlcnic_adapter *adapter) 2035 { 2036 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2037 return; 2038 2039 qlcnic_remove_sysfs_entries(adapter); 2040 2041 qlcnic_free_hw_resources(adapter); 2042 qlcnic_release_rx_buffers(adapter); 2043 qlcnic_free_irq(adapter); 2044 qlcnic_napi_del(adapter); 2045 qlcnic_free_sw_resources(adapter); 2046 2047 adapter->is_up = 0; 2048 } 2049 2050 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2051 { 2052 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2053 struct qlcnic_host_sds_ring *sds_ring; 2054 int drv_tx_rings = adapter->drv_tx_rings; 2055 int ring; 2056 2057 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2058 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2059 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2060 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2061 qlcnic_disable_sds_intr(adapter, sds_ring); 2062 } 2063 } 2064 2065 qlcnic_fw_destroy_ctx(adapter); 2066 2067 qlcnic_detach(adapter); 2068 2069 adapter->ahw->diag_test = 0; 2070 adapter->drv_sds_rings = drv_sds_rings; 2071 adapter->drv_tx_rings = drv_tx_rings; 2072 2073 if (qlcnic_attach(adapter)) 2074 goto out; 2075 2076 if (netif_running(netdev)) 2077 __qlcnic_up(adapter, netdev); 2078 out: 2079 netif_device_attach(netdev); 2080 } 2081 2082 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2083 { 2084 struct qlcnic_hardware_context *ahw = adapter->ahw; 2085 int err = 0; 2086 2087 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2088 GFP_KERNEL); 2089 if (!adapter->recv_ctx) { 2090 err = -ENOMEM; 2091 goto err_out; 2092 } 2093 2094 if (qlcnic_83xx_check(adapter)) { 2095 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2096 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2097 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2098 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2099 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2100 } else { 2101 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2102 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2103 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2104 } 2105 2106 /* clear stats */ 2107 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2108 err_out: 2109 return err; 2110 } 2111 2112 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2113 { 2114 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2115 2116 kfree(adapter->recv_ctx); 2117 adapter->recv_ctx = NULL; 2118 2119 if (fw_dump->tmpl_hdr) { 2120 vfree(fw_dump->tmpl_hdr); 2121 fw_dump->tmpl_hdr = NULL; 2122 } 2123 2124 if (fw_dump->dma_buffer) { 2125 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2126 fw_dump->dma_buffer, fw_dump->phys_addr); 2127 fw_dump->dma_buffer = NULL; 2128 } 2129 2130 kfree(adapter->ahw->reset.buff); 2131 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2132 } 2133 2134 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2135 { 2136 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2137 struct qlcnic_host_sds_ring *sds_ring; 2138 struct qlcnic_host_rds_ring *rds_ring; 2139 int ring; 2140 int ret; 2141 2142 netif_device_detach(netdev); 2143 2144 if (netif_running(netdev)) 2145 __qlcnic_down(adapter, netdev); 2146 2147 qlcnic_detach(adapter); 2148 2149 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2150 adapter->ahw->diag_test = test; 2151 adapter->ahw->linkup = 0; 2152 2153 ret = qlcnic_attach(adapter); 2154 if (ret) { 2155 netif_device_attach(netdev); 2156 return ret; 2157 } 2158 2159 ret = qlcnic_fw_create_ctx(adapter); 2160 if (ret) { 2161 qlcnic_detach(adapter); 2162 netif_device_attach(netdev); 2163 return ret; 2164 } 2165 2166 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2167 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2168 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2169 } 2170 2171 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2172 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2173 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2174 qlcnic_enable_sds_intr(adapter, sds_ring); 2175 } 2176 } 2177 2178 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2179 adapter->ahw->loopback_state = 0; 2180 qlcnic_linkevent_request(adapter, 1); 2181 } 2182 2183 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2184 2185 return 0; 2186 } 2187 2188 /* Reset context in hardware only */ 2189 static int 2190 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2191 { 2192 struct net_device *netdev = adapter->netdev; 2193 2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2195 return -EBUSY; 2196 2197 netif_device_detach(netdev); 2198 2199 qlcnic_down(adapter, netdev); 2200 2201 qlcnic_up(adapter, netdev); 2202 2203 netif_device_attach(netdev); 2204 2205 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2206 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2207 return 0; 2208 } 2209 2210 int 2211 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2212 { 2213 int err = 0; 2214 struct net_device *netdev = adapter->netdev; 2215 2216 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2217 return -EBUSY; 2218 2219 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2220 2221 netif_device_detach(netdev); 2222 2223 if (netif_running(netdev)) 2224 __qlcnic_down(adapter, netdev); 2225 2226 qlcnic_detach(adapter); 2227 2228 if (netif_running(netdev)) { 2229 err = qlcnic_attach(adapter); 2230 if (!err) { 2231 __qlcnic_up(adapter, netdev); 2232 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2233 } 2234 } 2235 2236 netif_device_attach(netdev); 2237 } 2238 2239 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2240 return err; 2241 } 2242 2243 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2244 { 2245 struct qlcnic_hardware_context *ahw = adapter->ahw; 2246 u16 act_pci_fn = ahw->total_nic_func; 2247 u16 count; 2248 2249 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2250 if (act_pci_fn <= 2) 2251 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2252 act_pci_fn; 2253 else 2254 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2255 act_pci_fn; 2256 ahw->max_uc_count = count; 2257 } 2258 2259 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2260 u8 tx_queues, u8 rx_queues) 2261 { 2262 struct net_device *netdev = adapter->netdev; 2263 int err = 0; 2264 2265 if (tx_queues) { 2266 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2267 if (err) { 2268 netdev_err(netdev, "failed to set %d Tx queues\n", 2269 tx_queues); 2270 return err; 2271 } 2272 } 2273 2274 if (rx_queues) { 2275 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2276 if (err) 2277 netdev_err(netdev, "failed to set %d Rx queues\n", 2278 rx_queues); 2279 } 2280 2281 return err; 2282 } 2283 2284 int 2285 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2286 int pci_using_dac) 2287 { 2288 int err; 2289 struct pci_dev *pdev = adapter->pdev; 2290 2291 adapter->rx_csum = 1; 2292 adapter->ahw->mc_enabled = 0; 2293 qlcnic_set_mac_filter_count(adapter); 2294 2295 netdev->netdev_ops = &qlcnic_netdev_ops; 2296 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2297 2298 qlcnic_change_mtu(netdev, netdev->mtu); 2299 2300 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2301 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2302 2303 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2304 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2305 NETIF_F_HW_VLAN_CTAG_RX); 2306 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2307 NETIF_F_IPV6_CSUM); 2308 2309 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2310 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2311 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2312 } 2313 2314 if (pci_using_dac) { 2315 netdev->features |= NETIF_F_HIGHDMA; 2316 netdev->vlan_features |= NETIF_F_HIGHDMA; 2317 } 2318 2319 if (qlcnic_vlan_tx_check(adapter)) 2320 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2321 2322 if (qlcnic_sriov_vf_check(adapter)) 2323 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2324 2325 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2326 netdev->features |= NETIF_F_LRO; 2327 2328 if (qlcnic_encap_tx_offload(adapter)) { 2329 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2330 2331 /* encapsulation Tx offload supported by Adapter */ 2332 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2333 NETIF_F_GSO_UDP_TUNNEL | 2334 NETIF_F_TSO | 2335 NETIF_F_TSO6; 2336 } 2337 2338 if (qlcnic_encap_rx_offload(adapter)) 2339 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2340 2341 netdev->hw_features = netdev->features; 2342 netdev->priv_flags |= IFF_UNICAST_FLT; 2343 netdev->irq = adapter->msix_entries[0].vector; 2344 2345 /* MTU range: 68 - 9600 */ 2346 netdev->min_mtu = P3P_MIN_MTU; 2347 netdev->max_mtu = P3P_MAX_MTU; 2348 2349 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2350 adapter->drv_sds_rings); 2351 if (err) 2352 return err; 2353 2354 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2355 2356 err = register_netdev(netdev); 2357 if (err) { 2358 dev_err(&pdev->dev, "failed to register net device\n"); 2359 return err; 2360 } 2361 2362 return 0; 2363 } 2364 2365 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2366 { 2367 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2368 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2369 *pci_using_dac = 1; 2370 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2371 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2372 *pci_using_dac = 0; 2373 else { 2374 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2375 return -EIO; 2376 } 2377 2378 return 0; 2379 } 2380 2381 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2382 { 2383 int ring; 2384 struct qlcnic_host_tx_ring *tx_ring; 2385 2386 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2387 tx_ring = &adapter->tx_ring[ring]; 2388 if (tx_ring) { 2389 vfree(tx_ring->cmd_buf_arr); 2390 tx_ring->cmd_buf_arr = NULL; 2391 } 2392 } 2393 kfree(adapter->tx_ring); 2394 } 2395 2396 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2397 struct net_device *netdev) 2398 { 2399 int ring, vector, index; 2400 struct qlcnic_host_tx_ring *tx_ring; 2401 struct qlcnic_cmd_buffer *cmd_buf_arr; 2402 2403 tx_ring = kcalloc(adapter->drv_tx_rings, 2404 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2405 if (tx_ring == NULL) 2406 return -ENOMEM; 2407 2408 adapter->tx_ring = tx_ring; 2409 2410 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2411 tx_ring = &adapter->tx_ring[ring]; 2412 tx_ring->num_desc = adapter->num_txd; 2413 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2414 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2415 if (cmd_buf_arr == NULL) { 2416 qlcnic_free_tx_rings(adapter); 2417 return -ENOMEM; 2418 } 2419 tx_ring->cmd_buf_arr = cmd_buf_arr; 2420 spin_lock_init(&tx_ring->tx_clean_lock); 2421 } 2422 2423 if (qlcnic_83xx_check(adapter) || 2424 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2425 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2426 tx_ring = &adapter->tx_ring[ring]; 2427 tx_ring->adapter = adapter; 2428 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2429 index = adapter->drv_sds_rings + ring; 2430 vector = adapter->msix_entries[index].vector; 2431 tx_ring->irq = vector; 2432 } 2433 } 2434 } 2435 2436 return 0; 2437 } 2438 2439 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2440 { 2441 struct qlcnic_hardware_context *ahw = adapter->ahw; 2442 u32 fw_cmd = 0; 2443 2444 if (qlcnic_82xx_check(adapter)) 2445 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2446 else if (qlcnic_83xx_check(adapter)) 2447 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2448 2449 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2450 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2451 } 2452 2453 /* Reset firmware API lock */ 2454 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2455 { 2456 qlcnic_api_lock(adapter); 2457 qlcnic_api_unlock(adapter); 2458 } 2459 2460 2461 static int 2462 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2463 { 2464 struct net_device *netdev = NULL; 2465 struct qlcnic_adapter *adapter = NULL; 2466 struct qlcnic_hardware_context *ahw; 2467 int err, pci_using_dac = -1; 2468 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2469 2470 err = pci_enable_device(pdev); 2471 if (err) 2472 return err; 2473 2474 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2475 err = -ENODEV; 2476 goto err_out_disable_pdev; 2477 } 2478 2479 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2480 if (err) 2481 goto err_out_disable_pdev; 2482 2483 err = pci_request_regions(pdev, qlcnic_driver_name); 2484 if (err) 2485 goto err_out_disable_pdev; 2486 2487 pci_set_master(pdev); 2488 pci_enable_pcie_error_reporting(pdev); 2489 2490 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2491 if (!ahw) { 2492 err = -ENOMEM; 2493 goto err_out_free_res; 2494 } 2495 2496 switch (ent->device) { 2497 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2498 ahw->hw_ops = &qlcnic_hw_ops; 2499 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2500 break; 2501 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2502 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2503 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2504 qlcnic_83xx_register_map(ahw); 2505 break; 2506 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2507 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2508 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2509 qlcnic_sriov_vf_register_map(ahw); 2510 break; 2511 default: 2512 goto err_out_free_hw_res; 2513 } 2514 2515 err = qlcnic_setup_pci_map(pdev, ahw); 2516 if (err) 2517 goto err_out_free_hw_res; 2518 2519 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2520 QLCNIC_MAX_TX_RINGS); 2521 if (!netdev) { 2522 err = -ENOMEM; 2523 goto err_out_iounmap; 2524 } 2525 2526 SET_NETDEV_DEV(netdev, &pdev->dev); 2527 2528 adapter = netdev_priv(netdev); 2529 adapter->netdev = netdev; 2530 adapter->pdev = pdev; 2531 adapter->ahw = ahw; 2532 2533 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2534 if (adapter->qlcnic_wq == NULL) { 2535 err = -ENOMEM; 2536 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2537 goto err_out_free_netdev; 2538 } 2539 2540 err = qlcnic_alloc_adapter_resources(adapter); 2541 if (err) 2542 goto err_out_free_wq; 2543 2544 adapter->dev_rst_time = jiffies; 2545 ahw->revision_id = pdev->revision; 2546 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2547 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2548 adapter->fdb_mac_learn = true; 2549 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2550 adapter->drv_mac_learn = true; 2551 2552 rwlock_init(&adapter->ahw->crb_lock); 2553 mutex_init(&adapter->ahw->mem_lock); 2554 2555 INIT_LIST_HEAD(&adapter->mac_list); 2556 2557 qlcnic_register_dcb(adapter); 2558 2559 if (qlcnic_82xx_check(adapter)) { 2560 qlcnic_check_vf(adapter, ent); 2561 adapter->portnum = adapter->ahw->pci_func; 2562 qlcnic_reset_api_lock(adapter); 2563 err = qlcnic_start_firmware(adapter); 2564 if (err) { 2565 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2566 "\t\tIf reboot doesn't help, try flashing the card\n"); 2567 goto err_out_maintenance_mode; 2568 } 2569 2570 /* compute and set default and max tx/sds rings */ 2571 if (adapter->ahw->msix_supported) { 2572 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2573 qlcnic_set_tx_ring_count(adapter, 2574 QLCNIC_SINGLE_RING); 2575 else 2576 qlcnic_set_tx_ring_count(adapter, 2577 QLCNIC_DEF_TX_RINGS); 2578 qlcnic_set_sds_ring_count(adapter, 2579 QLCNIC_DEF_SDS_RINGS); 2580 } else { 2581 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2582 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2583 } 2584 2585 err = qlcnic_setup_idc_param(adapter); 2586 if (err) 2587 goto err_out_free_hw; 2588 2589 adapter->flags |= QLCNIC_NEED_FLR; 2590 2591 } else if (qlcnic_83xx_check(adapter)) { 2592 qlcnic_83xx_check_vf(adapter, ent); 2593 adapter->portnum = adapter->ahw->pci_func; 2594 err = qlcnic_83xx_init(adapter, pci_using_dac); 2595 if (err) { 2596 switch (err) { 2597 case -ENOTRECOVERABLE: 2598 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2599 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2600 goto err_out_free_hw; 2601 case -ENOMEM: 2602 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2603 goto err_out_free_hw; 2604 case -EOPNOTSUPP: 2605 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2606 goto err_out_free_hw; 2607 default: 2608 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2609 goto err_out_maintenance_mode; 2610 } 2611 } 2612 2613 if (qlcnic_sriov_vf_check(adapter)) 2614 return 0; 2615 } else { 2616 dev_err(&pdev->dev, 2617 "%s: failed. Please Reboot\n", __func__); 2618 err = -ENODEV; 2619 goto err_out_free_hw; 2620 } 2621 2622 if (qlcnic_read_mac_addr(adapter)) 2623 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2624 2625 qlcnic_read_phys_port_id(adapter); 2626 2627 if (adapter->portnum == 0) { 2628 qlcnic_get_board_name(adapter, board_name); 2629 2630 pr_info("%s: %s Board Chip rev 0x%x\n", 2631 module_name(THIS_MODULE), 2632 board_name, adapter->ahw->revision_id); 2633 } 2634 2635 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2636 !!qlcnic_use_msi) 2637 dev_warn(&pdev->dev, 2638 "Device does not support MSI interrupts\n"); 2639 2640 if (qlcnic_82xx_check(adapter)) { 2641 qlcnic_dcb_enable(adapter->dcb); 2642 qlcnic_dcb_get_info(adapter->dcb); 2643 err = qlcnic_setup_intr(adapter); 2644 2645 if (err) { 2646 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2647 goto err_out_disable_msi; 2648 } 2649 } 2650 2651 err = qlcnic_get_act_pci_func(adapter); 2652 if (err) 2653 goto err_out_disable_mbx_intr; 2654 2655 if (adapter->portnum == 0) 2656 qlcnic_set_drv_version(adapter); 2657 2658 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2659 if (err) 2660 goto err_out_disable_mbx_intr; 2661 2662 pci_set_drvdata(pdev, adapter); 2663 2664 if (qlcnic_82xx_check(adapter)) 2665 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2666 FW_POLL_DELAY); 2667 2668 switch (adapter->ahw->port_type) { 2669 case QLCNIC_GBE: 2670 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2671 adapter->netdev->name); 2672 break; 2673 case QLCNIC_XGBE: 2674 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2675 adapter->netdev->name); 2676 break; 2677 } 2678 2679 if (adapter->drv_mac_learn) 2680 qlcnic_alloc_lb_filters_mem(adapter); 2681 2682 qlcnic_add_sysfs(adapter); 2683 qlcnic_register_hwmon_dev(adapter); 2684 return 0; 2685 2686 err_out_disable_mbx_intr: 2687 if (qlcnic_83xx_check(adapter)) 2688 qlcnic_83xx_free_mbx_intr(adapter); 2689 2690 err_out_disable_msi: 2691 qlcnic_teardown_intr(adapter); 2692 qlcnic_cancel_idc_work(adapter); 2693 qlcnic_clr_all_drv_state(adapter, 0); 2694 2695 err_out_free_hw: 2696 qlcnic_free_adapter_resources(adapter); 2697 2698 err_out_free_wq: 2699 destroy_workqueue(adapter->qlcnic_wq); 2700 2701 err_out_free_netdev: 2702 free_netdev(netdev); 2703 2704 err_out_iounmap: 2705 qlcnic_cleanup_pci_map(ahw); 2706 2707 err_out_free_hw_res: 2708 kfree(ahw); 2709 2710 err_out_free_res: 2711 pci_release_regions(pdev); 2712 2713 err_out_disable_pdev: 2714 pci_disable_device(pdev); 2715 return err; 2716 2717 err_out_maintenance_mode: 2718 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2719 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2720 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2721 ahw->port_type = QLCNIC_XGBE; 2722 2723 if (qlcnic_83xx_check(adapter)) 2724 adapter->tgt_status_reg = NULL; 2725 else 2726 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2727 2728 err = register_netdev(netdev); 2729 2730 if (err) { 2731 dev_err(&pdev->dev, "Failed to register net device\n"); 2732 qlcnic_clr_all_drv_state(adapter, 0); 2733 goto err_out_free_hw; 2734 } 2735 2736 pci_set_drvdata(pdev, adapter); 2737 qlcnic_add_sysfs(adapter); 2738 2739 return 0; 2740 } 2741 2742 static void qlcnic_remove(struct pci_dev *pdev) 2743 { 2744 struct qlcnic_adapter *adapter; 2745 struct net_device *netdev; 2746 struct qlcnic_hardware_context *ahw; 2747 2748 adapter = pci_get_drvdata(pdev); 2749 if (adapter == NULL) 2750 return; 2751 2752 netdev = adapter->netdev; 2753 2754 qlcnic_cancel_idc_work(adapter); 2755 qlcnic_sriov_pf_disable(adapter); 2756 ahw = adapter->ahw; 2757 2758 unregister_netdev(netdev); 2759 qlcnic_sriov_cleanup(adapter); 2760 2761 if (qlcnic_83xx_check(adapter)) { 2762 qlcnic_83xx_initialize_nic(adapter, 0); 2763 cancel_delayed_work_sync(&adapter->idc_aen_work); 2764 qlcnic_83xx_free_mbx_intr(adapter); 2765 qlcnic_83xx_detach_mailbox_work(adapter); 2766 qlcnic_83xx_free_mailbox(ahw->mailbox); 2767 kfree(ahw->fw_info); 2768 } 2769 2770 qlcnic_dcb_free(adapter->dcb); 2771 qlcnic_detach(adapter); 2772 kfree(adapter->npars); 2773 kfree(adapter->eswitch); 2774 2775 if (qlcnic_82xx_check(adapter)) 2776 qlcnic_clr_all_drv_state(adapter, 0); 2777 2778 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2779 2780 qlcnic_free_lb_filters_mem(adapter); 2781 2782 qlcnic_teardown_intr(adapter); 2783 2784 qlcnic_remove_sysfs(adapter); 2785 2786 qlcnic_unregister_hwmon_dev(adapter); 2787 2788 qlcnic_cleanup_pci_map(adapter->ahw); 2789 2790 qlcnic_release_firmware(adapter); 2791 2792 pci_disable_pcie_error_reporting(pdev); 2793 pci_release_regions(pdev); 2794 pci_disable_device(pdev); 2795 2796 if (adapter->qlcnic_wq) { 2797 destroy_workqueue(adapter->qlcnic_wq); 2798 adapter->qlcnic_wq = NULL; 2799 } 2800 2801 qlcnic_free_adapter_resources(adapter); 2802 kfree(ahw); 2803 free_netdev(netdev); 2804 } 2805 2806 static void qlcnic_shutdown(struct pci_dev *pdev) 2807 { 2808 if (__qlcnic_shutdown(pdev)) 2809 return; 2810 2811 pci_disable_device(pdev); 2812 } 2813 2814 #ifdef CONFIG_PM 2815 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2816 { 2817 int retval; 2818 2819 retval = __qlcnic_shutdown(pdev); 2820 if (retval) 2821 return retval; 2822 2823 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2824 return 0; 2825 } 2826 2827 static int qlcnic_resume(struct pci_dev *pdev) 2828 { 2829 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2830 int err; 2831 2832 err = pci_enable_device(pdev); 2833 if (err) 2834 return err; 2835 2836 pci_set_power_state(pdev, PCI_D0); 2837 pci_set_master(pdev); 2838 pci_restore_state(pdev); 2839 2840 return __qlcnic_resume(adapter); 2841 } 2842 #endif 2843 2844 static int qlcnic_open(struct net_device *netdev) 2845 { 2846 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2847 int err; 2848 2849 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2850 netdev_err(netdev, "%s: Device is in non-operational state\n", 2851 __func__); 2852 2853 return -EIO; 2854 } 2855 2856 netif_carrier_off(netdev); 2857 2858 err = qlcnic_attach(adapter); 2859 if (err) 2860 return err; 2861 2862 err = __qlcnic_up(adapter, netdev); 2863 if (err) 2864 qlcnic_detach(adapter); 2865 2866 return err; 2867 } 2868 2869 /* 2870 * qlcnic_close - Disables a network interface entry point 2871 */ 2872 static int qlcnic_close(struct net_device *netdev) 2873 { 2874 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2875 2876 __qlcnic_down(adapter, netdev); 2877 2878 return 0; 2879 } 2880 2881 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2882 2883 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2884 { 2885 void *head; 2886 int i; 2887 struct net_device *netdev = adapter->netdev; 2888 u32 filter_size = 0; 2889 u16 act_pci_func = 0; 2890 2891 if (adapter->fhash.fmax && adapter->fhash.fhead) 2892 return; 2893 2894 act_pci_func = adapter->ahw->total_nic_func; 2895 spin_lock_init(&adapter->mac_learn_lock); 2896 spin_lock_init(&adapter->rx_mac_learn_lock); 2897 2898 if (qlcnic_sriov_vf_check(adapter)) { 2899 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2900 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2901 } else if (qlcnic_82xx_check(adapter)) { 2902 filter_size = QLCNIC_LB_MAX_FILTERS; 2903 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2904 } else { 2905 filter_size = QLC_83XX_LB_MAX_FILTERS; 2906 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2907 } 2908 2909 head = kcalloc(adapter->fhash.fbucket_size, 2910 sizeof(struct hlist_head), GFP_ATOMIC); 2911 2912 if (!head) 2913 return; 2914 2915 adapter->fhash.fmax = (filter_size / act_pci_func); 2916 adapter->fhash.fhead = head; 2917 2918 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2919 act_pci_func, adapter->fhash.fmax); 2920 2921 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2922 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2923 2924 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2925 2926 head = kcalloc(adapter->rx_fhash.fbucket_size, 2927 sizeof(struct hlist_head), GFP_ATOMIC); 2928 2929 if (!head) 2930 return; 2931 2932 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2933 adapter->rx_fhash.fhead = head; 2934 2935 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2936 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2937 } 2938 2939 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2940 { 2941 if (adapter->fhash.fmax) 2942 kfree(adapter->fhash.fhead); 2943 2944 adapter->fhash.fhead = NULL; 2945 adapter->fhash.fmax = 0; 2946 2947 if (adapter->rx_fhash.fmax) 2948 kfree(adapter->rx_fhash.fhead); 2949 2950 adapter->rx_fhash.fmax = 0; 2951 adapter->rx_fhash.fhead = NULL; 2952 } 2953 2954 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2955 { 2956 struct net_device *netdev = adapter->netdev; 2957 u32 temp_state, temp_val, temp = 0; 2958 int rv = 0; 2959 2960 if (qlcnic_83xx_check(adapter)) 2961 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2962 2963 if (qlcnic_82xx_check(adapter)) 2964 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2965 2966 temp_state = qlcnic_get_temp_state(temp); 2967 temp_val = qlcnic_get_temp_val(temp); 2968 2969 if (temp_state == QLCNIC_TEMP_PANIC) { 2970 dev_err(&netdev->dev, 2971 "Device temperature %d degrees C exceeds" 2972 " maximum allowed. Hardware has been shut down.\n", 2973 temp_val); 2974 rv = 1; 2975 } else if (temp_state == QLCNIC_TEMP_WARN) { 2976 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2977 dev_err(&netdev->dev, 2978 "Device temperature %d degrees C " 2979 "exceeds operating range." 2980 " Immediate action needed.\n", 2981 temp_val); 2982 } 2983 } else { 2984 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2985 dev_info(&netdev->dev, 2986 "Device temperature is now %d degrees C" 2987 " in normal range.\n", temp_val); 2988 } 2989 } 2990 adapter->ahw->temp = temp_state; 2991 return rv; 2992 } 2993 2994 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2995 { 2996 int i; 2997 struct cmd_desc_type0 *tx_desc_info; 2998 2999 for (i = 0; i < tx_ring->num_desc; i++) { 3000 tx_desc_info = &tx_ring->desc_head[i]; 3001 pr_info("TX Desc: %d\n", i); 3002 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 3003 &tx_ring->desc_head[i], 3004 sizeof(struct cmd_desc_type0), true); 3005 } 3006 } 3007 3008 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3009 { 3010 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3011 struct net_device *netdev = adapter->netdev; 3012 struct qlcnic_host_rds_ring *rds_ring; 3013 struct qlcnic_host_sds_ring *sds_ring; 3014 struct qlcnic_host_tx_ring *tx_ring; 3015 int ring; 3016 3017 if (!netdev || !netif_running(netdev)) 3018 return; 3019 3020 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3021 rds_ring = &recv_ctx->rds_rings[ring]; 3022 if (!rds_ring) 3023 continue; 3024 netdev_info(netdev, 3025 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3026 ring, readl(rds_ring->crb_rcv_producer), 3027 rds_ring->producer, rds_ring->num_desc); 3028 } 3029 3030 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3031 sds_ring = &(recv_ctx->sds_rings[ring]); 3032 if (!sds_ring) 3033 continue; 3034 netdev_info(netdev, 3035 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3036 ring, readl(sds_ring->crb_sts_consumer), 3037 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3038 sds_ring->num_desc); 3039 } 3040 3041 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3042 tx_ring = &adapter->tx_ring[ring]; 3043 if (!tx_ring) 3044 continue; 3045 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3046 ring, tx_ring->ctx_id); 3047 netdev_info(netdev, 3048 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3049 tx_ring->tx_stats.xmit_finished, 3050 tx_ring->tx_stats.xmit_called, 3051 tx_ring->tx_stats.xmit_on, 3052 tx_ring->tx_stats.xmit_off); 3053 3054 if (tx_ring->crb_intr_mask) 3055 netdev_info(netdev, "crb_intr_mask=%d\n", 3056 readl(tx_ring->crb_intr_mask)); 3057 3058 netdev_info(netdev, 3059 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3060 readl(tx_ring->crb_cmd_producer), 3061 tx_ring->producer, tx_ring->sw_consumer, 3062 le32_to_cpu(*(tx_ring->hw_consumer))); 3063 3064 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3065 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3066 3067 if (netif_msg_tx_err(adapter->ahw)) 3068 dump_tx_ring_desc(tx_ring); 3069 } 3070 3071 } 3072 3073 static void qlcnic_tx_timeout(struct net_device *netdev) 3074 { 3075 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3076 3077 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3078 return; 3079 3080 qlcnic_dump_rings(adapter); 3081 3082 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3083 netif_msg_tx_err(adapter->ahw)) { 3084 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3085 if (qlcnic_82xx_check(adapter)) 3086 adapter->need_fw_reset = 1; 3087 else if (qlcnic_83xx_check(adapter)) 3088 qlcnic_83xx_idc_request_reset(adapter, 3089 QLCNIC_FORCE_FW_DUMP_KEY); 3090 } else { 3091 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3092 adapter->ahw->reset_context = 1; 3093 } 3094 } 3095 3096 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3097 { 3098 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3099 struct net_device_stats *stats = &netdev->stats; 3100 3101 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3102 qlcnic_update_stats(adapter); 3103 3104 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3105 stats->tx_packets = adapter->stats.xmitfinished; 3106 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3107 stats->tx_bytes = adapter->stats.txbytes; 3108 stats->rx_dropped = adapter->stats.rxdropped; 3109 stats->tx_dropped = adapter->stats.txdropped; 3110 3111 return stats; 3112 } 3113 3114 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3115 { 3116 u32 status; 3117 3118 status = readl(adapter->isr_int_vec); 3119 3120 if (!(status & adapter->ahw->int_vec_bit)) 3121 return IRQ_NONE; 3122 3123 /* check interrupt state machine, to be sure */ 3124 status = readl(adapter->crb_int_state_reg); 3125 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3126 return IRQ_NONE; 3127 3128 writel(0xffffffff, adapter->tgt_status_reg); 3129 /* read twice to ensure write is flushed */ 3130 readl(adapter->isr_int_vec); 3131 readl(adapter->isr_int_vec); 3132 3133 return IRQ_HANDLED; 3134 } 3135 3136 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3137 { 3138 struct qlcnic_host_sds_ring *sds_ring = data; 3139 struct qlcnic_adapter *adapter = sds_ring->adapter; 3140 3141 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3142 goto done; 3143 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3144 writel(0xffffffff, adapter->tgt_status_reg); 3145 goto done; 3146 } 3147 3148 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3149 return IRQ_NONE; 3150 3151 done: 3152 adapter->ahw->diag_cnt++; 3153 qlcnic_enable_sds_intr(adapter, sds_ring); 3154 return IRQ_HANDLED; 3155 } 3156 3157 static irqreturn_t qlcnic_intr(int irq, void *data) 3158 { 3159 struct qlcnic_host_sds_ring *sds_ring = data; 3160 struct qlcnic_adapter *adapter = sds_ring->adapter; 3161 3162 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3163 return IRQ_NONE; 3164 3165 napi_schedule(&sds_ring->napi); 3166 3167 return IRQ_HANDLED; 3168 } 3169 3170 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3171 { 3172 struct qlcnic_host_sds_ring *sds_ring = data; 3173 struct qlcnic_adapter *adapter = sds_ring->adapter; 3174 3175 /* clear interrupt */ 3176 writel(0xffffffff, adapter->tgt_status_reg); 3177 3178 napi_schedule(&sds_ring->napi); 3179 return IRQ_HANDLED; 3180 } 3181 3182 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3183 { 3184 struct qlcnic_host_sds_ring *sds_ring = data; 3185 3186 napi_schedule(&sds_ring->napi); 3187 return IRQ_HANDLED; 3188 } 3189 3190 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3191 { 3192 struct qlcnic_host_tx_ring *tx_ring = data; 3193 3194 napi_schedule(&tx_ring->napi); 3195 return IRQ_HANDLED; 3196 } 3197 3198 #ifdef CONFIG_NET_POLL_CONTROLLER 3199 static void qlcnic_poll_controller(struct net_device *netdev) 3200 { 3201 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3202 struct qlcnic_host_sds_ring *sds_ring; 3203 struct qlcnic_recv_context *recv_ctx; 3204 struct qlcnic_host_tx_ring *tx_ring; 3205 int ring; 3206 3207 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3208 return; 3209 3210 recv_ctx = adapter->recv_ctx; 3211 3212 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3213 sds_ring = &recv_ctx->sds_rings[ring]; 3214 qlcnic_disable_sds_intr(adapter, sds_ring); 3215 napi_schedule(&sds_ring->napi); 3216 } 3217 3218 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3219 /* Only Multi-Tx queue capable devices need to 3220 * schedule NAPI for TX rings 3221 */ 3222 if ((qlcnic_83xx_check(adapter) && 3223 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3224 (qlcnic_82xx_check(adapter) && 3225 !qlcnic_check_multi_tx(adapter))) 3226 return; 3227 3228 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3229 tx_ring = &adapter->tx_ring[ring]; 3230 qlcnic_disable_tx_intr(adapter, tx_ring); 3231 napi_schedule(&tx_ring->napi); 3232 } 3233 } 3234 } 3235 #endif 3236 3237 static void 3238 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3239 { 3240 u32 val; 3241 3242 val = adapter->portnum & 0xf; 3243 val |= encoding << 7; 3244 val |= (jiffies - adapter->dev_rst_time) << 8; 3245 3246 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3247 adapter->dev_rst_time = jiffies; 3248 } 3249 3250 static int 3251 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3252 { 3253 u32 val; 3254 3255 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3256 state != QLCNIC_DEV_NEED_QUISCENT); 3257 3258 if (qlcnic_api_lock(adapter)) 3259 return -EIO; 3260 3261 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3262 3263 if (state == QLCNIC_DEV_NEED_RESET) 3264 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3265 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3266 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3267 3268 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3269 3270 qlcnic_api_unlock(adapter); 3271 3272 return 0; 3273 } 3274 3275 static int 3276 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3277 { 3278 u32 val; 3279 3280 if (qlcnic_api_lock(adapter)) 3281 return -EBUSY; 3282 3283 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3284 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3285 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3286 3287 qlcnic_api_unlock(adapter); 3288 3289 return 0; 3290 } 3291 3292 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3293 { 3294 u32 val; 3295 3296 if (qlcnic_api_lock(adapter)) 3297 goto err; 3298 3299 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3300 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3301 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3302 3303 if (failed) { 3304 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3305 QLCNIC_DEV_FAILED); 3306 dev_info(&adapter->pdev->dev, 3307 "Device state set to Failed. Please Reboot\n"); 3308 } else if (!(val & 0x11111111)) 3309 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3310 QLCNIC_DEV_COLD); 3311 3312 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3313 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3314 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3315 3316 qlcnic_api_unlock(adapter); 3317 err: 3318 adapter->fw_fail_cnt = 0; 3319 adapter->flags &= ~QLCNIC_FW_HANG; 3320 clear_bit(__QLCNIC_START_FW, &adapter->state); 3321 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3322 } 3323 3324 /* Grab api lock, before checking state */ 3325 static int 3326 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3327 { 3328 int act, state, active_mask; 3329 struct qlcnic_hardware_context *ahw = adapter->ahw; 3330 3331 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3332 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3333 3334 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3335 active_mask = (~(1 << (ahw->pci_func * 4))); 3336 act = act & active_mask; 3337 } 3338 3339 if (((state & 0x11111111) == (act & 0x11111111)) || 3340 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3341 return 0; 3342 else 3343 return 1; 3344 } 3345 3346 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3347 { 3348 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3349 3350 if (val != QLCNIC_DRV_IDC_VER) { 3351 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3352 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3353 } 3354 3355 return 0; 3356 } 3357 3358 static int 3359 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3360 { 3361 u32 val, prev_state; 3362 u8 dev_init_timeo = adapter->dev_init_timeo; 3363 u8 portnum = adapter->portnum; 3364 u8 ret; 3365 3366 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3367 return 1; 3368 3369 if (qlcnic_api_lock(adapter)) 3370 return -1; 3371 3372 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3373 if (!(val & (1 << (portnum * 4)))) { 3374 QLC_DEV_SET_REF_CNT(val, portnum); 3375 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3376 } 3377 3378 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3379 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3380 3381 switch (prev_state) { 3382 case QLCNIC_DEV_COLD: 3383 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3384 QLCNIC_DEV_INITIALIZING); 3385 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3386 QLCNIC_DRV_IDC_VER); 3387 qlcnic_idc_debug_info(adapter, 0); 3388 qlcnic_api_unlock(adapter); 3389 return 1; 3390 3391 case QLCNIC_DEV_READY: 3392 ret = qlcnic_check_idc_ver(adapter); 3393 qlcnic_api_unlock(adapter); 3394 return ret; 3395 3396 case QLCNIC_DEV_NEED_RESET: 3397 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3398 QLC_DEV_SET_RST_RDY(val, portnum); 3399 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3400 break; 3401 3402 case QLCNIC_DEV_NEED_QUISCENT: 3403 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3404 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3405 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3406 break; 3407 3408 case QLCNIC_DEV_FAILED: 3409 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3410 qlcnic_api_unlock(adapter); 3411 return -1; 3412 3413 case QLCNIC_DEV_INITIALIZING: 3414 case QLCNIC_DEV_QUISCENT: 3415 break; 3416 } 3417 3418 qlcnic_api_unlock(adapter); 3419 3420 do { 3421 msleep(1000); 3422 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3423 3424 if (prev_state == QLCNIC_DEV_QUISCENT) 3425 continue; 3426 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3427 3428 if (!dev_init_timeo) { 3429 dev_err(&adapter->pdev->dev, 3430 "Waiting for device to initialize timeout\n"); 3431 return -1; 3432 } 3433 3434 if (qlcnic_api_lock(adapter)) 3435 return -1; 3436 3437 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3438 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3439 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3440 3441 ret = qlcnic_check_idc_ver(adapter); 3442 qlcnic_api_unlock(adapter); 3443 3444 return ret; 3445 } 3446 3447 static void 3448 qlcnic_fwinit_work(struct work_struct *work) 3449 { 3450 struct qlcnic_adapter *adapter = container_of(work, 3451 struct qlcnic_adapter, fw_work.work); 3452 u32 dev_state = 0xf; 3453 u32 val; 3454 3455 if (qlcnic_api_lock(adapter)) 3456 goto err_ret; 3457 3458 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3459 if (dev_state == QLCNIC_DEV_QUISCENT || 3460 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3461 qlcnic_api_unlock(adapter); 3462 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3463 FW_POLL_DELAY * 2); 3464 return; 3465 } 3466 3467 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3468 qlcnic_api_unlock(adapter); 3469 goto wait_npar; 3470 } 3471 3472 if (dev_state == QLCNIC_DEV_INITIALIZING || 3473 dev_state == QLCNIC_DEV_READY) { 3474 dev_info(&adapter->pdev->dev, "Detected state change from " 3475 "DEV_NEED_RESET, skipping ack check\n"); 3476 goto skip_ack_check; 3477 } 3478 3479 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3480 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3481 adapter->reset_ack_timeo); 3482 goto skip_ack_check; 3483 } 3484 3485 if (!qlcnic_check_drv_state(adapter)) { 3486 skip_ack_check: 3487 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3488 3489 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3490 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3491 QLCNIC_DEV_INITIALIZING); 3492 set_bit(__QLCNIC_START_FW, &adapter->state); 3493 QLCDB(adapter, DRV, "Restarting fw\n"); 3494 qlcnic_idc_debug_info(adapter, 0); 3495 val = QLC_SHARED_REG_RD32(adapter, 3496 QLCNIC_CRB_DRV_STATE); 3497 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3498 QLC_SHARED_REG_WR32(adapter, 3499 QLCNIC_CRB_DRV_STATE, val); 3500 } 3501 3502 qlcnic_api_unlock(adapter); 3503 3504 rtnl_lock(); 3505 if (qlcnic_check_fw_dump_state(adapter) && 3506 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3507 QLCDB(adapter, DRV, "Take FW dump\n"); 3508 qlcnic_dump_fw(adapter); 3509 adapter->flags |= QLCNIC_FW_HANG; 3510 } 3511 rtnl_unlock(); 3512 3513 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3514 if (!adapter->nic_ops->start_firmware(adapter)) { 3515 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3516 adapter->fw_wait_cnt = 0; 3517 return; 3518 } 3519 goto err_ret; 3520 } 3521 3522 qlcnic_api_unlock(adapter); 3523 3524 wait_npar: 3525 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3526 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3527 3528 switch (dev_state) { 3529 case QLCNIC_DEV_READY: 3530 if (!qlcnic_start_firmware(adapter)) { 3531 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3532 adapter->fw_wait_cnt = 0; 3533 return; 3534 } 3535 case QLCNIC_DEV_FAILED: 3536 break; 3537 default: 3538 qlcnic_schedule_work(adapter, 3539 qlcnic_fwinit_work, FW_POLL_DELAY); 3540 return; 3541 } 3542 3543 err_ret: 3544 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3545 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3546 netif_device_attach(adapter->netdev); 3547 qlcnic_clr_all_drv_state(adapter, 0); 3548 } 3549 3550 static void 3551 qlcnic_detach_work(struct work_struct *work) 3552 { 3553 struct qlcnic_adapter *adapter = container_of(work, 3554 struct qlcnic_adapter, fw_work.work); 3555 struct net_device *netdev = adapter->netdev; 3556 u32 status; 3557 3558 netif_device_detach(netdev); 3559 3560 /* Dont grab rtnl lock during Quiscent mode */ 3561 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3562 if (netif_running(netdev)) 3563 __qlcnic_down(adapter, netdev); 3564 } else 3565 qlcnic_down(adapter, netdev); 3566 3567 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3568 3569 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3570 dev_err(&adapter->pdev->dev, 3571 "Detaching the device: peg halt status1=0x%x\n", 3572 status); 3573 3574 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3575 dev_err(&adapter->pdev->dev, 3576 "On board active cooling fan failed. " 3577 "Device has been halted.\n"); 3578 dev_err(&adapter->pdev->dev, 3579 "Replace the adapter.\n"); 3580 } 3581 3582 goto err_ret; 3583 } 3584 3585 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3586 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3587 adapter->ahw->temp); 3588 goto err_ret; 3589 } 3590 3591 /* Dont ack if this instance is the reset owner */ 3592 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3593 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3594 dev_err(&adapter->pdev->dev, 3595 "Failed to set driver state," 3596 "detaching the device.\n"); 3597 goto err_ret; 3598 } 3599 } 3600 3601 adapter->fw_wait_cnt = 0; 3602 3603 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3604 3605 return; 3606 3607 err_ret: 3608 netif_device_attach(netdev); 3609 qlcnic_clr_all_drv_state(adapter, 1); 3610 } 3611 3612 /*Transit NPAR state to NON Operational */ 3613 static void 3614 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3615 { 3616 u32 state; 3617 3618 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3619 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3620 return; 3621 3622 if (qlcnic_api_lock(adapter)) 3623 return; 3624 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3625 QLCNIC_DEV_NPAR_NON_OPER); 3626 qlcnic_api_unlock(adapter); 3627 } 3628 3629 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3630 u32 key) 3631 { 3632 u32 state, xg_val = 0, gb_val = 0; 3633 3634 qlcnic_xg_set_xg0_mask(xg_val); 3635 qlcnic_xg_set_xg1_mask(xg_val); 3636 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3637 qlcnic_gb_set_gb0_mask(gb_val); 3638 qlcnic_gb_set_gb1_mask(gb_val); 3639 qlcnic_gb_set_gb2_mask(gb_val); 3640 qlcnic_gb_set_gb3_mask(gb_val); 3641 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3642 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3643 " on all ports\n"); 3644 adapter->need_fw_reset = 1; 3645 3646 if (qlcnic_api_lock(adapter)) 3647 return; 3648 3649 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3650 3651 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3652 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3653 __func__); 3654 qlcnic_api_unlock(adapter); 3655 3656 return; 3657 } 3658 3659 if (state == QLCNIC_DEV_READY) { 3660 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3661 QLCNIC_DEV_NEED_RESET); 3662 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3663 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3664 qlcnic_idc_debug_info(adapter, 0); 3665 } 3666 3667 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3668 QLCNIC_DEV_NPAR_NON_OPER); 3669 qlcnic_api_unlock(adapter); 3670 } 3671 3672 /* Transit to NPAR READY state from NPAR NOT READY state */ 3673 static void 3674 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3675 { 3676 if (qlcnic_api_lock(adapter)) 3677 return; 3678 3679 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3680 QLCNIC_DEV_NPAR_OPER); 3681 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3682 3683 qlcnic_api_unlock(adapter); 3684 } 3685 3686 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3687 work_func_t func, int delay) 3688 { 3689 if (test_bit(__QLCNIC_AER, &adapter->state)) 3690 return; 3691 3692 INIT_DELAYED_WORK(&adapter->fw_work, func); 3693 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3694 round_jiffies_relative(delay)); 3695 } 3696 3697 static void 3698 qlcnic_attach_work(struct work_struct *work) 3699 { 3700 struct qlcnic_adapter *adapter = container_of(work, 3701 struct qlcnic_adapter, fw_work.work); 3702 struct net_device *netdev = adapter->netdev; 3703 u32 npar_state; 3704 3705 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3706 npar_state = QLC_SHARED_REG_RD32(adapter, 3707 QLCNIC_CRB_DEV_NPAR_STATE); 3708 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3709 qlcnic_clr_all_drv_state(adapter, 0); 3710 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3711 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3712 FW_POLL_DELAY); 3713 else 3714 goto attach; 3715 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3716 return; 3717 } 3718 attach: 3719 qlcnic_dcb_get_info(adapter->dcb); 3720 3721 if (netif_running(netdev)) { 3722 if (qlcnic_up(adapter, netdev)) 3723 goto done; 3724 3725 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3726 } 3727 3728 done: 3729 netif_device_attach(netdev); 3730 adapter->fw_fail_cnt = 0; 3731 adapter->flags &= ~QLCNIC_FW_HANG; 3732 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3733 if (adapter->portnum == 0) 3734 qlcnic_set_drv_version(adapter); 3735 3736 if (!qlcnic_clr_drv_state(adapter)) 3737 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3738 FW_POLL_DELAY); 3739 } 3740 3741 static int 3742 qlcnic_check_health(struct qlcnic_adapter *adapter) 3743 { 3744 struct qlcnic_hardware_context *ahw = adapter->ahw; 3745 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3746 u32 state = 0, heartbeat; 3747 u32 peg_status; 3748 int err = 0; 3749 3750 if (qlcnic_check_temp(adapter)) 3751 goto detach; 3752 3753 if (adapter->need_fw_reset) 3754 qlcnic_dev_request_reset(adapter, 0); 3755 3756 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3757 if (state == QLCNIC_DEV_NEED_RESET) { 3758 qlcnic_set_npar_non_operational(adapter); 3759 adapter->need_fw_reset = 1; 3760 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3761 goto detach; 3762 3763 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3764 if (heartbeat != adapter->heartbeat) { 3765 adapter->heartbeat = heartbeat; 3766 adapter->fw_fail_cnt = 0; 3767 if (adapter->need_fw_reset) 3768 goto detach; 3769 3770 if (ahw->reset_context && qlcnic_auto_fw_reset) 3771 qlcnic_reset_hw_context(adapter); 3772 3773 return 0; 3774 } 3775 3776 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3777 return 0; 3778 3779 adapter->flags |= QLCNIC_FW_HANG; 3780 3781 qlcnic_dev_request_reset(adapter, 0); 3782 3783 if (qlcnic_auto_fw_reset) 3784 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3785 3786 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3787 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3788 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3789 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3790 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3791 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3792 "PEG_NET_4_PC: 0x%x\n", 3793 peg_status, 3794 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3795 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3796 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3797 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3798 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3799 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3800 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3801 dev_err(&adapter->pdev->dev, 3802 "Firmware aborted with error code 0x00006700. " 3803 "Device is being reset.\n"); 3804 detach: 3805 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3806 QLCNIC_DEV_NEED_RESET; 3807 3808 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3809 &adapter->state)) { 3810 3811 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3812 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3813 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3814 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3815 qlcnic_dump_fw(adapter); 3816 } 3817 3818 return 1; 3819 } 3820 3821 void qlcnic_fw_poll_work(struct work_struct *work) 3822 { 3823 struct qlcnic_adapter *adapter = container_of(work, 3824 struct qlcnic_adapter, fw_work.work); 3825 3826 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3827 goto reschedule; 3828 3829 3830 if (qlcnic_check_health(adapter)) 3831 return; 3832 3833 if (adapter->fhash.fnum) 3834 qlcnic_prune_lb_filters(adapter); 3835 3836 reschedule: 3837 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3838 } 3839 3840 static int qlcnic_is_first_func(struct pci_dev *pdev) 3841 { 3842 struct pci_dev *oth_pdev; 3843 int val = pdev->devfn; 3844 3845 while (val-- > 0) { 3846 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3847 (pdev->bus), pdev->bus->number, 3848 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3849 if (!oth_pdev) 3850 continue; 3851 3852 if (oth_pdev->current_state != PCI_D3cold) { 3853 pci_dev_put(oth_pdev); 3854 return 0; 3855 } 3856 pci_dev_put(oth_pdev); 3857 } 3858 return 1; 3859 } 3860 3861 static int qlcnic_attach_func(struct pci_dev *pdev) 3862 { 3863 int err, first_func; 3864 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3865 struct net_device *netdev = adapter->netdev; 3866 3867 pdev->error_state = pci_channel_io_normal; 3868 3869 err = pci_enable_device(pdev); 3870 if (err) 3871 return err; 3872 3873 pci_set_master(pdev); 3874 pci_restore_state(pdev); 3875 3876 first_func = qlcnic_is_first_func(pdev); 3877 3878 if (qlcnic_api_lock(adapter)) 3879 return -EINVAL; 3880 3881 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3882 adapter->need_fw_reset = 1; 3883 set_bit(__QLCNIC_START_FW, &adapter->state); 3884 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3885 QLCNIC_DEV_INITIALIZING); 3886 QLCDB(adapter, DRV, "Restarting fw\n"); 3887 } 3888 qlcnic_api_unlock(adapter); 3889 3890 err = qlcnic_start_firmware(adapter); 3891 if (err) 3892 return err; 3893 3894 qlcnic_clr_drv_state(adapter); 3895 kfree(adapter->msix_entries); 3896 adapter->msix_entries = NULL; 3897 err = qlcnic_setup_intr(adapter); 3898 3899 if (err) { 3900 kfree(adapter->msix_entries); 3901 netdev_err(netdev, "failed to setup interrupt\n"); 3902 return err; 3903 } 3904 3905 if (netif_running(netdev)) { 3906 err = qlcnic_attach(adapter); 3907 if (err) { 3908 qlcnic_clr_all_drv_state(adapter, 1); 3909 clear_bit(__QLCNIC_AER, &adapter->state); 3910 netif_device_attach(netdev); 3911 return err; 3912 } 3913 3914 err = qlcnic_up(adapter, netdev); 3915 if (err) 3916 goto done; 3917 3918 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3919 } 3920 done: 3921 netif_device_attach(netdev); 3922 return err; 3923 } 3924 3925 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3926 pci_channel_state_t state) 3927 { 3928 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3929 struct net_device *netdev = adapter->netdev; 3930 3931 if (state == pci_channel_io_perm_failure) 3932 return PCI_ERS_RESULT_DISCONNECT; 3933 3934 if (state == pci_channel_io_normal) 3935 return PCI_ERS_RESULT_RECOVERED; 3936 3937 set_bit(__QLCNIC_AER, &adapter->state); 3938 netif_device_detach(netdev); 3939 3940 cancel_delayed_work_sync(&adapter->fw_work); 3941 3942 if (netif_running(netdev)) 3943 qlcnic_down(adapter, netdev); 3944 3945 qlcnic_detach(adapter); 3946 qlcnic_teardown_intr(adapter); 3947 3948 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3949 3950 pci_save_state(pdev); 3951 pci_disable_device(pdev); 3952 3953 return PCI_ERS_RESULT_NEED_RESET; 3954 } 3955 3956 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3957 { 3958 pci_ers_result_t res; 3959 3960 rtnl_lock(); 3961 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3962 PCI_ERS_RESULT_RECOVERED; 3963 rtnl_unlock(); 3964 3965 return res; 3966 } 3967 3968 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3969 { 3970 u32 state; 3971 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3972 3973 pci_cleanup_aer_uncorrect_error_status(pdev); 3974 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3975 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3976 &adapter->state)) 3977 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3978 FW_POLL_DELAY); 3979 } 3980 3981 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3982 pci_channel_state_t state) 3983 { 3984 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3985 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3986 3987 if (hw_ops->io_error_detected) { 3988 return hw_ops->io_error_detected(pdev, state); 3989 } else { 3990 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3991 return PCI_ERS_RESULT_DISCONNECT; 3992 } 3993 } 3994 3995 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3996 { 3997 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3998 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3999 4000 if (hw_ops->io_slot_reset) { 4001 return hw_ops->io_slot_reset(pdev); 4002 } else { 4003 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 4004 return PCI_ERS_RESULT_DISCONNECT; 4005 } 4006 } 4007 4008 static void qlcnic_io_resume(struct pci_dev *pdev) 4009 { 4010 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4011 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 4012 4013 if (hw_ops->io_resume) 4014 hw_ops->io_resume(pdev); 4015 else 4016 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4017 } 4018 4019 4020 static int 4021 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4022 { 4023 int err; 4024 4025 err = qlcnic_can_start_firmware(adapter); 4026 if (err) 4027 return err; 4028 4029 err = qlcnic_check_npar_opertional(adapter); 4030 if (err) 4031 return err; 4032 4033 err = qlcnic_initialize_nic(adapter); 4034 if (err) 4035 return err; 4036 4037 qlcnic_check_options(adapter); 4038 4039 err = qlcnic_set_eswitch_port_config(adapter); 4040 if (err) 4041 return err; 4042 4043 adapter->need_fw_reset = 0; 4044 4045 return err; 4046 } 4047 4048 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4049 int queue_type) 4050 { 4051 struct net_device *netdev = adapter->netdev; 4052 u8 max_hw_rings = 0; 4053 char buf[8]; 4054 int cur_rings; 4055 4056 if (queue_type == QLCNIC_RX_QUEUE) { 4057 max_hw_rings = adapter->max_sds_rings; 4058 cur_rings = adapter->drv_sds_rings; 4059 strcpy(buf, "SDS"); 4060 } else if (queue_type == QLCNIC_TX_QUEUE) { 4061 max_hw_rings = adapter->max_tx_rings; 4062 cur_rings = adapter->drv_tx_rings; 4063 strcpy(buf, "Tx"); 4064 } 4065 4066 if (!is_power_of_2(ring_cnt)) { 4067 netdev_err(netdev, "%s rings value should be a power of 2\n", 4068 buf); 4069 return -EINVAL; 4070 } 4071 4072 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4073 !qlcnic_check_multi_tx(adapter)) { 4074 netdev_err(netdev, "No Multi Tx queue support\n"); 4075 return -EINVAL; 4076 } 4077 4078 if (ring_cnt > num_online_cpus()) { 4079 netdev_err(netdev, 4080 "%s value[%u] should not be higher than, number of online CPUs\n", 4081 buf, num_online_cpus()); 4082 return -EINVAL; 4083 } 4084 4085 return 0; 4086 } 4087 4088 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4089 { 4090 struct net_device *netdev = adapter->netdev; 4091 u8 tx_rings, rx_rings; 4092 int err; 4093 4094 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4095 return -EBUSY; 4096 4097 tx_rings = adapter->drv_tss_rings; 4098 rx_rings = adapter->drv_rss_rings; 4099 4100 netif_device_detach(netdev); 4101 4102 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4103 if (err) 4104 goto done; 4105 4106 if (netif_running(netdev)) 4107 __qlcnic_down(adapter, netdev); 4108 4109 qlcnic_detach(adapter); 4110 4111 if (qlcnic_83xx_check(adapter)) { 4112 qlcnic_83xx_free_mbx_intr(adapter); 4113 qlcnic_83xx_enable_mbx_poll(adapter); 4114 } 4115 4116 qlcnic_teardown_intr(adapter); 4117 4118 err = qlcnic_setup_intr(adapter); 4119 if (err) { 4120 kfree(adapter->msix_entries); 4121 netdev_err(netdev, "failed to setup interrupt\n"); 4122 return err; 4123 } 4124 4125 /* Check if we need to update real_num_{tx|rx}_queues because 4126 * qlcnic_setup_intr() may change Tx/Rx rings size 4127 */ 4128 if ((tx_rings != adapter->drv_tx_rings) || 4129 (rx_rings != adapter->drv_sds_rings)) { 4130 err = qlcnic_set_real_num_queues(adapter, 4131 adapter->drv_tx_rings, 4132 adapter->drv_sds_rings); 4133 if (err) 4134 goto done; 4135 } 4136 4137 if (qlcnic_83xx_check(adapter)) { 4138 qlcnic_83xx_initialize_nic(adapter, 1); 4139 err = qlcnic_83xx_setup_mbx_intr(adapter); 4140 qlcnic_83xx_disable_mbx_poll(adapter); 4141 if (err) { 4142 dev_err(&adapter->pdev->dev, 4143 "failed to setup mbx interrupt\n"); 4144 goto done; 4145 } 4146 } 4147 4148 if (netif_running(netdev)) { 4149 err = qlcnic_attach(adapter); 4150 if (err) 4151 goto done; 4152 err = __qlcnic_up(adapter, netdev); 4153 if (err) 4154 goto done; 4155 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4156 } 4157 done: 4158 netif_device_attach(netdev); 4159 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4160 return err; 4161 } 4162 4163 #ifdef CONFIG_INET 4164 4165 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4166 4167 static void 4168 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4169 struct net_device *dev, unsigned long event) 4170 { 4171 struct in_device *indev; 4172 4173 indev = in_dev_get(dev); 4174 if (!indev) 4175 return; 4176 4177 for_ifa(indev) { 4178 switch (event) { 4179 case NETDEV_UP: 4180 qlcnic_config_ipaddr(adapter, 4181 ifa->ifa_address, QLCNIC_IP_UP); 4182 break; 4183 case NETDEV_DOWN: 4184 qlcnic_config_ipaddr(adapter, 4185 ifa->ifa_address, QLCNIC_IP_DOWN); 4186 break; 4187 default: 4188 break; 4189 } 4190 } endfor_ifa(indev); 4191 4192 in_dev_put(indev); 4193 } 4194 4195 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4196 { 4197 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4198 struct net_device *dev; 4199 u16 vid; 4200 4201 qlcnic_config_indev_addr(adapter, netdev, event); 4202 4203 rcu_read_lock(); 4204 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4205 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4206 if (!dev) 4207 continue; 4208 qlcnic_config_indev_addr(adapter, dev, event); 4209 } 4210 rcu_read_unlock(); 4211 } 4212 4213 static int qlcnic_netdev_event(struct notifier_block *this, 4214 unsigned long event, void *ptr) 4215 { 4216 struct qlcnic_adapter *adapter; 4217 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4218 4219 recheck: 4220 if (dev == NULL) 4221 goto done; 4222 4223 if (is_vlan_dev(dev)) { 4224 dev = vlan_dev_real_dev(dev); 4225 goto recheck; 4226 } 4227 4228 if (!is_qlcnic_netdev(dev)) 4229 goto done; 4230 4231 adapter = netdev_priv(dev); 4232 4233 if (!adapter) 4234 goto done; 4235 4236 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4237 goto done; 4238 4239 qlcnic_config_indev_addr(adapter, dev, event); 4240 done: 4241 return NOTIFY_DONE; 4242 } 4243 4244 static int 4245 qlcnic_inetaddr_event(struct notifier_block *this, 4246 unsigned long event, void *ptr) 4247 { 4248 struct qlcnic_adapter *adapter; 4249 struct net_device *dev; 4250 4251 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4252 4253 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4254 4255 recheck: 4256 if (dev == NULL) 4257 goto done; 4258 4259 if (is_vlan_dev(dev)) { 4260 dev = vlan_dev_real_dev(dev); 4261 goto recheck; 4262 } 4263 4264 if (!is_qlcnic_netdev(dev)) 4265 goto done; 4266 4267 adapter = netdev_priv(dev); 4268 4269 if (!adapter) 4270 goto done; 4271 4272 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4273 goto done; 4274 4275 switch (event) { 4276 case NETDEV_UP: 4277 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4278 4279 break; 4280 case NETDEV_DOWN: 4281 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4282 4283 break; 4284 default: 4285 break; 4286 } 4287 4288 done: 4289 return NOTIFY_DONE; 4290 } 4291 4292 static struct notifier_block qlcnic_netdev_cb = { 4293 .notifier_call = qlcnic_netdev_event, 4294 }; 4295 4296 static struct notifier_block qlcnic_inetaddr_cb = { 4297 .notifier_call = qlcnic_inetaddr_event, 4298 }; 4299 #else 4300 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4301 { } 4302 #endif 4303 static const struct pci_error_handlers qlcnic_err_handler = { 4304 .error_detected = qlcnic_io_error_detected, 4305 .slot_reset = qlcnic_io_slot_reset, 4306 .resume = qlcnic_io_resume, 4307 }; 4308 4309 static struct pci_driver qlcnic_driver = { 4310 .name = qlcnic_driver_name, 4311 .id_table = qlcnic_pci_tbl, 4312 .probe = qlcnic_probe, 4313 .remove = qlcnic_remove, 4314 #ifdef CONFIG_PM 4315 .suspend = qlcnic_suspend, 4316 .resume = qlcnic_resume, 4317 #endif 4318 .shutdown = qlcnic_shutdown, 4319 .err_handler = &qlcnic_err_handler, 4320 #ifdef CONFIG_QLCNIC_SRIOV 4321 .sriov_configure = qlcnic_pci_sriov_configure, 4322 #endif 4323 4324 }; 4325 4326 static int __init qlcnic_init_module(void) 4327 { 4328 int ret; 4329 4330 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4331 4332 #ifdef CONFIG_INET 4333 register_netdevice_notifier(&qlcnic_netdev_cb); 4334 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4335 #endif 4336 4337 ret = pci_register_driver(&qlcnic_driver); 4338 if (ret) { 4339 #ifdef CONFIG_INET 4340 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4341 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4342 #endif 4343 } 4344 4345 return ret; 4346 } 4347 4348 module_init(qlcnic_init_module); 4349 4350 static void __exit qlcnic_exit_module(void) 4351 { 4352 pci_unregister_driver(&qlcnic_driver); 4353 4354 #ifdef CONFIG_INET 4355 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4356 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4357 #endif 4358 } 4359 4360 module_exit(qlcnic_exit_module); 4361