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); 438 439 if (!adapter->fdb_mac_learn) 440 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 441 442 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 443 qlcnic_sriov_check(adapter)) 444 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 445 446 return idx; 447 } 448 449 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 450 { 451 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 452 usleep_range(10000, 11000); 453 454 if (!adapter->fw_work.work.func) 455 return; 456 457 cancel_delayed_work_sync(&adapter->fw_work); 458 } 459 460 static int qlcnic_get_phys_port_id(struct net_device *netdev, 461 struct netdev_phys_item_id *ppid) 462 { 463 struct qlcnic_adapter *adapter = netdev_priv(netdev); 464 struct qlcnic_hardware_context *ahw = adapter->ahw; 465 466 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 467 return -EOPNOTSUPP; 468 469 ppid->id_len = sizeof(ahw->phys_port_id); 470 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 471 472 return 0; 473 } 474 475 static void qlcnic_add_vxlan_port(struct net_device *netdev, 476 struct udp_tunnel_info *ti) 477 { 478 struct qlcnic_adapter *adapter = netdev_priv(netdev); 479 struct qlcnic_hardware_context *ahw = adapter->ahw; 480 481 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 482 return; 483 484 /* Adapter supports only one VXLAN port. Use very first port 485 * for enabling offload 486 */ 487 if (!qlcnic_encap_rx_offload(adapter)) 488 return; 489 if (!ahw->vxlan_port_count) { 490 ahw->vxlan_port_count = 1; 491 ahw->vxlan_port = ntohs(ti->port); 492 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 493 return; 494 } 495 if (ahw->vxlan_port == ntohs(ti->port)) 496 ahw->vxlan_port_count++; 497 498 } 499 500 static void qlcnic_del_vxlan_port(struct net_device *netdev, 501 struct udp_tunnel_info *ti) 502 { 503 struct qlcnic_adapter *adapter = netdev_priv(netdev); 504 struct qlcnic_hardware_context *ahw = adapter->ahw; 505 506 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 507 return; 508 509 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 510 (ahw->vxlan_port != ntohs(ti->port))) 511 return; 512 513 ahw->vxlan_port_count--; 514 if (!ahw->vxlan_port_count) 515 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 516 } 517 518 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 519 struct net_device *dev, 520 netdev_features_t features) 521 { 522 features = vlan_features_check(skb, features); 523 return vxlan_features_check(skb, features); 524 } 525 526 static const struct net_device_ops qlcnic_netdev_ops = { 527 .ndo_open = qlcnic_open, 528 .ndo_stop = qlcnic_close, 529 .ndo_start_xmit = qlcnic_xmit_frame, 530 .ndo_get_stats = qlcnic_get_stats, 531 .ndo_validate_addr = eth_validate_addr, 532 .ndo_set_rx_mode = qlcnic_set_multi, 533 .ndo_set_mac_address = qlcnic_set_mac, 534 .ndo_change_mtu = qlcnic_change_mtu, 535 .ndo_fix_features = qlcnic_fix_features, 536 .ndo_set_features = qlcnic_set_features, 537 .ndo_tx_timeout = qlcnic_tx_timeout, 538 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 539 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 540 .ndo_fdb_add = qlcnic_fdb_add, 541 .ndo_fdb_del = qlcnic_fdb_del, 542 .ndo_fdb_dump = qlcnic_fdb_dump, 543 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 544 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port, 545 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port, 546 .ndo_features_check = qlcnic_features_check, 547 #ifdef CONFIG_NET_POLL_CONTROLLER 548 .ndo_poll_controller = qlcnic_poll_controller, 549 #endif 550 #ifdef CONFIG_QLCNIC_SRIOV 551 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 552 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 553 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 554 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 555 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 556 #endif 557 }; 558 559 static const struct net_device_ops qlcnic_netdev_failed_ops = { 560 .ndo_open = qlcnic_open, 561 }; 562 563 static struct qlcnic_nic_template qlcnic_ops = { 564 .config_bridged_mode = qlcnic_config_bridged_mode, 565 .config_led = qlcnic_82xx_config_led, 566 .start_firmware = qlcnic_82xx_start_firmware, 567 .request_reset = qlcnic_82xx_dev_request_reset, 568 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 569 .napi_add = qlcnic_82xx_napi_add, 570 .napi_del = qlcnic_82xx_napi_del, 571 .config_ipaddr = qlcnic_82xx_config_ipaddr, 572 .shutdown = qlcnic_82xx_shutdown, 573 .resume = qlcnic_82xx_resume, 574 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 575 }; 576 577 struct qlcnic_nic_template qlcnic_vf_ops = { 578 .config_bridged_mode = qlcnicvf_config_bridged_mode, 579 .config_led = qlcnicvf_config_led, 580 .start_firmware = qlcnicvf_start_firmware 581 }; 582 583 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 584 .read_crb = qlcnic_82xx_read_crb, 585 .write_crb = qlcnic_82xx_write_crb, 586 .read_reg = qlcnic_82xx_hw_read_wx_2M, 587 .write_reg = qlcnic_82xx_hw_write_wx_2M, 588 .get_mac_address = qlcnic_82xx_get_mac_address, 589 .setup_intr = qlcnic_82xx_setup_intr, 590 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 591 .mbx_cmd = qlcnic_82xx_issue_cmd, 592 .get_func_no = qlcnic_82xx_get_func_no, 593 .api_lock = qlcnic_82xx_api_lock, 594 .api_unlock = qlcnic_82xx_api_unlock, 595 .add_sysfs = qlcnic_82xx_add_sysfs, 596 .remove_sysfs = qlcnic_82xx_remove_sysfs, 597 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 598 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 599 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 600 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 601 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 602 .setup_link_event = qlcnic_82xx_linkevent_request, 603 .get_nic_info = qlcnic_82xx_get_nic_info, 604 .get_pci_info = qlcnic_82xx_get_pci_info, 605 .set_nic_info = qlcnic_82xx_set_nic_info, 606 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 607 .napi_enable = qlcnic_82xx_napi_enable, 608 .napi_disable = qlcnic_82xx_napi_disable, 609 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 610 .config_rss = qlcnic_82xx_config_rss, 611 .config_hw_lro = qlcnic_82xx_config_hw_lro, 612 .config_loopback = qlcnic_82xx_set_lb_mode, 613 .clear_loopback = qlcnic_82xx_clear_lb_mode, 614 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 615 .change_l2_filter = qlcnic_82xx_change_filter, 616 .get_board_info = qlcnic_82xx_get_board_info, 617 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 618 .free_mac_list = qlcnic_82xx_free_mac_list, 619 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 620 .io_error_detected = qlcnic_82xx_io_error_detected, 621 .io_slot_reset = qlcnic_82xx_io_slot_reset, 622 .io_resume = qlcnic_82xx_io_resume, 623 .get_beacon_state = qlcnic_82xx_get_beacon_state, 624 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 625 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 626 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 627 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 628 .get_saved_state = qlcnic_82xx_get_saved_state, 629 .set_saved_state = qlcnic_82xx_set_saved_state, 630 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 631 .get_cap_size = qlcnic_82xx_get_cap_size, 632 .set_sys_info = qlcnic_82xx_set_sys_info, 633 .store_cap_mask = qlcnic_82xx_store_cap_mask, 634 }; 635 636 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 637 { 638 struct qlcnic_hardware_context *ahw = adapter->ahw; 639 640 if (qlcnic_82xx_check(adapter) && 641 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 642 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 643 return 0; 644 } else { 645 return 1; 646 } 647 } 648 649 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 650 int queue_type) 651 { 652 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 653 654 if (queue_type == QLCNIC_RX_QUEUE) 655 max_rings = adapter->max_sds_rings; 656 else if (queue_type == QLCNIC_TX_QUEUE) 657 max_rings = adapter->max_tx_rings; 658 659 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 660 max_rings)); 661 662 if (ring_cnt > num_rings) 663 return num_rings; 664 else 665 return ring_cnt; 666 } 667 668 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 669 { 670 /* 83xx adapter does not have max_tx_rings intialized in probe */ 671 if (adapter->max_tx_rings) 672 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 673 QLCNIC_TX_QUEUE); 674 else 675 adapter->drv_tx_rings = tx_cnt; 676 } 677 678 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 679 { 680 /* 83xx adapter does not have max_sds_rings intialized in probe */ 681 if (adapter->max_sds_rings) 682 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 683 QLCNIC_RX_QUEUE); 684 else 685 adapter->drv_sds_rings = rx_cnt; 686 } 687 688 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 689 { 690 struct pci_dev *pdev = adapter->pdev; 691 int num_msix = 0, err = 0, vector; 692 693 adapter->flags &= ~QLCNIC_TSS_RSS; 694 695 if (adapter->drv_tss_rings > 0) 696 num_msix += adapter->drv_tss_rings; 697 else 698 num_msix += adapter->drv_tx_rings; 699 700 if (adapter->drv_rss_rings > 0) 701 num_msix += adapter->drv_rss_rings; 702 else 703 num_msix += adapter->drv_sds_rings; 704 705 if (qlcnic_83xx_check(adapter)) 706 num_msix += 1; 707 708 if (!adapter->msix_entries) { 709 adapter->msix_entries = kcalloc(num_msix, 710 sizeof(struct msix_entry), 711 GFP_KERNEL); 712 if (!adapter->msix_entries) 713 return -ENOMEM; 714 } 715 716 for (vector = 0; vector < num_msix; vector++) 717 adapter->msix_entries[vector].entry = vector; 718 719 restore: 720 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 721 if (err == -ENOSPC) { 722 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 723 return err; 724 725 netdev_info(adapter->netdev, 726 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 727 num_msix, err); 728 729 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 730 731 /* Set rings to 0 so we can restore original TSS/RSS count */ 732 adapter->drv_tss_rings = 0; 733 adapter->drv_rss_rings = 0; 734 735 if (qlcnic_83xx_check(adapter)) 736 num_msix += 1; 737 738 netdev_info(adapter->netdev, 739 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 740 adapter->drv_tx_rings, adapter->drv_sds_rings, 741 num_msix); 742 743 goto restore; 744 } else if (err < 0) { 745 return err; 746 } 747 748 adapter->ahw->num_msix = num_msix; 749 if (adapter->drv_tss_rings > 0) 750 adapter->drv_tx_rings = adapter->drv_tss_rings; 751 752 if (adapter->drv_rss_rings > 0) 753 adapter->drv_sds_rings = adapter->drv_rss_rings; 754 755 return 0; 756 } 757 758 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 759 { 760 struct pci_dev *pdev = adapter->pdev; 761 int err, vector; 762 763 if (!adapter->msix_entries) { 764 adapter->msix_entries = kcalloc(num_msix, 765 sizeof(struct msix_entry), 766 GFP_KERNEL); 767 if (!adapter->msix_entries) 768 return -ENOMEM; 769 } 770 771 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 772 773 if (adapter->ahw->msix_supported) { 774 enable_msix: 775 for (vector = 0; vector < num_msix; vector++) 776 adapter->msix_entries[vector].entry = vector; 777 778 err = pci_enable_msix_range(pdev, 779 adapter->msix_entries, 1, num_msix); 780 781 if (err == num_msix) { 782 adapter->flags |= QLCNIC_MSIX_ENABLED; 783 adapter->ahw->num_msix = num_msix; 784 dev_info(&pdev->dev, "using msi-x interrupts\n"); 785 return 0; 786 } else if (err > 0) { 787 pci_disable_msix(pdev); 788 789 dev_info(&pdev->dev, 790 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 791 num_msix, err); 792 793 if (qlcnic_82xx_check(adapter)) { 794 num_msix = rounddown_pow_of_two(err); 795 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 796 return -ENOSPC; 797 } else { 798 num_msix = rounddown_pow_of_two(err - 1); 799 num_msix += 1; 800 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 801 return -ENOSPC; 802 } 803 804 if (qlcnic_82xx_check(adapter) && 805 !qlcnic_check_multi_tx(adapter)) { 806 adapter->drv_sds_rings = num_msix; 807 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 808 } else { 809 /* Distribute vectors equally */ 810 adapter->drv_tx_rings = num_msix / 2; 811 adapter->drv_sds_rings = adapter->drv_tx_rings; 812 } 813 814 if (num_msix) { 815 dev_info(&pdev->dev, 816 "Trying to allocate %d MSI-X interrupt vectors\n", 817 num_msix); 818 goto enable_msix; 819 } 820 } else { 821 dev_info(&pdev->dev, 822 "Unable to allocate %d MSI-X vectors, err=%d\n", 823 num_msix, err); 824 return err; 825 } 826 } 827 828 return -EIO; 829 } 830 831 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 832 { 833 int num_msix; 834 835 num_msix = adapter->drv_sds_rings; 836 837 if (qlcnic_check_multi_tx(adapter)) 838 num_msix += adapter->drv_tx_rings; 839 else 840 num_msix += QLCNIC_SINGLE_RING; 841 842 return num_msix; 843 } 844 845 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 846 { 847 int err = 0; 848 u32 offset, mask_reg; 849 const struct qlcnic_legacy_intr_set *legacy_intrp; 850 struct qlcnic_hardware_context *ahw = adapter->ahw; 851 struct pci_dev *pdev = adapter->pdev; 852 853 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 854 adapter->flags |= QLCNIC_MSI_ENABLED; 855 offset = msi_tgt_status[adapter->ahw->pci_func]; 856 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 857 offset); 858 dev_info(&pdev->dev, "using msi interrupts\n"); 859 adapter->msix_entries[0].vector = pdev->irq; 860 return err; 861 } 862 863 if (qlcnic_use_msi || qlcnic_use_msi_x) 864 return -EOPNOTSUPP; 865 866 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 867 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 868 offset = legacy_intrp->tgt_status_reg; 869 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 870 mask_reg = legacy_intrp->tgt_mask_reg; 871 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 872 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 873 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 874 dev_info(&pdev->dev, "using legacy interrupts\n"); 875 adapter->msix_entries[0].vector = pdev->irq; 876 return err; 877 } 878 879 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 880 { 881 int num_msix, err = 0; 882 883 if (adapter->flags & QLCNIC_TSS_RSS) { 884 err = qlcnic_setup_tss_rss_intr(adapter); 885 if (err < 0) 886 return err; 887 num_msix = adapter->ahw->num_msix; 888 } else { 889 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 890 891 err = qlcnic_enable_msix(adapter, num_msix); 892 if (err == -ENOMEM) 893 return err; 894 895 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 896 qlcnic_disable_multi_tx(adapter); 897 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 898 899 err = qlcnic_enable_msi_legacy(adapter); 900 if (err) 901 return err; 902 } 903 } 904 905 return 0; 906 } 907 908 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 909 { 910 struct qlcnic_hardware_context *ahw = adapter->ahw; 911 int err, i; 912 913 if (qlcnic_check_multi_tx(adapter) && 914 !ahw->diag_test && 915 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 916 ahw->intr_tbl = vzalloc(ahw->num_msix * 917 sizeof(struct qlcnic_intrpt_config)); 918 if (!ahw->intr_tbl) 919 return -ENOMEM; 920 921 for (i = 0; i < ahw->num_msix; i++) { 922 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 923 ahw->intr_tbl[i].id = i; 924 ahw->intr_tbl[i].src = 0; 925 } 926 927 err = qlcnic_82xx_config_intrpt(adapter, 1); 928 if (err) 929 dev_err(&adapter->pdev->dev, 930 "Failed to configure Interrupt for %d vector\n", 931 ahw->num_msix); 932 return err; 933 } 934 935 return 0; 936 } 937 938 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 939 { 940 if (adapter->flags & QLCNIC_MSIX_ENABLED) 941 pci_disable_msix(adapter->pdev); 942 if (adapter->flags & QLCNIC_MSI_ENABLED) 943 pci_disable_msi(adapter->pdev); 944 945 kfree(adapter->msix_entries); 946 adapter->msix_entries = NULL; 947 948 if (adapter->ahw->intr_tbl) { 949 vfree(adapter->ahw->intr_tbl); 950 adapter->ahw->intr_tbl = NULL; 951 } 952 } 953 954 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 955 { 956 if (ahw->pci_base0 != NULL) 957 iounmap(ahw->pci_base0); 958 } 959 960 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 961 { 962 struct qlcnic_hardware_context *ahw = adapter->ahw; 963 struct qlcnic_pci_info *pci_info; 964 int ret; 965 966 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 967 switch (ahw->port_type) { 968 case QLCNIC_GBE: 969 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 970 break; 971 case QLCNIC_XGBE: 972 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 973 break; 974 } 975 return 0; 976 } 977 978 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 979 return 0; 980 981 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 982 if (!pci_info) 983 return -ENOMEM; 984 985 ret = qlcnic_get_pci_info(adapter, pci_info); 986 kfree(pci_info); 987 return ret; 988 } 989 990 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 991 { 992 bool ret = false; 993 994 if (qlcnic_84xx_check(adapter)) { 995 ret = true; 996 } else if (qlcnic_83xx_check(adapter)) { 997 if (adapter->ahw->extra_capability[0] & 998 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 999 ret = true; 1000 else 1001 ret = false; 1002 } 1003 1004 return ret; 1005 } 1006 1007 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1008 { 1009 struct qlcnic_hardware_context *ahw = adapter->ahw; 1010 struct qlcnic_pci_info *pci_info; 1011 int i, id = 0, ret = 0, j = 0; 1012 u16 act_pci_func; 1013 u8 pfn; 1014 1015 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1016 if (!pci_info) 1017 return -ENOMEM; 1018 1019 ret = qlcnic_get_pci_info(adapter, pci_info); 1020 if (ret) 1021 goto err_pci_info; 1022 1023 act_pci_func = ahw->total_nic_func; 1024 1025 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1026 act_pci_func, GFP_KERNEL); 1027 if (!adapter->npars) { 1028 ret = -ENOMEM; 1029 goto err_pci_info; 1030 } 1031 1032 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1033 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1034 if (!adapter->eswitch) { 1035 ret = -ENOMEM; 1036 goto err_npars; 1037 } 1038 1039 for (i = 0; i < ahw->max_vnic_func; i++) { 1040 pfn = pci_info[i].id; 1041 1042 if (pfn >= ahw->max_vnic_func) { 1043 ret = -EINVAL; 1044 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1045 __func__, pfn, ahw->max_vnic_func); 1046 goto err_eswitch; 1047 } 1048 1049 if (!pci_info[i].active || 1050 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1051 continue; 1052 1053 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1054 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1055 &id)) 1056 adapter->npars[j].eswitch_status = true; 1057 else 1058 continue; 1059 } else { 1060 adapter->npars[j].eswitch_status = true; 1061 } 1062 1063 adapter->npars[j].pci_func = pfn; 1064 adapter->npars[j].active = (u8)pci_info[i].active; 1065 adapter->npars[j].type = (u8)pci_info[i].type; 1066 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1067 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1068 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1069 1070 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1071 j++; 1072 } 1073 1074 /* Update eSwitch status for adapters without per port eSwitch 1075 * configuration capability 1076 */ 1077 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1078 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1079 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1080 } 1081 1082 kfree(pci_info); 1083 return 0; 1084 1085 err_eswitch: 1086 kfree(adapter->eswitch); 1087 adapter->eswitch = NULL; 1088 err_npars: 1089 kfree(adapter->npars); 1090 adapter->npars = NULL; 1091 err_pci_info: 1092 kfree(pci_info); 1093 1094 return ret; 1095 } 1096 1097 static int 1098 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1099 { 1100 u8 id; 1101 int ret; 1102 u32 data = QLCNIC_MGMT_FUNC; 1103 struct qlcnic_hardware_context *ahw = adapter->ahw; 1104 1105 ret = qlcnic_api_lock(adapter); 1106 if (ret) 1107 goto err_lock; 1108 1109 id = ahw->pci_func; 1110 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1111 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1112 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1113 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1114 qlcnic_api_unlock(adapter); 1115 err_lock: 1116 return ret; 1117 } 1118 1119 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1120 const struct pci_device_id *ent) 1121 { 1122 u32 op_mode, priv_level; 1123 1124 /* Determine FW API version */ 1125 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1126 QLCNIC_FW_API); 1127 1128 /* Find PCI function number */ 1129 qlcnic_get_func_no(adapter); 1130 1131 /* Determine function privilege level */ 1132 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1133 if (op_mode == QLC_DEV_DRV_DEFAULT) 1134 priv_level = QLCNIC_MGMT_FUNC; 1135 else 1136 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1137 1138 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1139 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1140 dev_info(&adapter->pdev->dev, 1141 "HAL Version: %d Non Privileged function\n", 1142 adapter->ahw->fw_hal_version); 1143 adapter->nic_ops = &qlcnic_vf_ops; 1144 } else 1145 adapter->nic_ops = &qlcnic_ops; 1146 } 1147 1148 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1149 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1150 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1151 { 1152 switch (dev_id) { 1153 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1154 *bar = QLCNIC_82XX_BAR0_LENGTH; 1155 break; 1156 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1157 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1158 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1159 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1162 *bar = QLCNIC_83XX_BAR0_LENGTH; 1163 break; 1164 default: 1165 *bar = 0; 1166 } 1167 } 1168 1169 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1170 struct qlcnic_hardware_context *ahw) 1171 { 1172 u32 offset; 1173 void __iomem *mem_ptr0 = NULL; 1174 unsigned long mem_len, pci_len0 = 0, bar0_len; 1175 1176 /* remap phys address */ 1177 mem_len = pci_resource_len(pdev, 0); 1178 1179 qlcnic_get_bar_length(pdev->device, &bar0_len); 1180 if (mem_len >= bar0_len) { 1181 1182 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1183 if (mem_ptr0 == NULL) { 1184 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1185 return -EIO; 1186 } 1187 pci_len0 = mem_len; 1188 } else { 1189 return -EIO; 1190 } 1191 1192 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1193 1194 ahw->pci_base0 = mem_ptr0; 1195 ahw->pci_len0 = pci_len0; 1196 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1197 qlcnic_get_ioaddr(ahw, offset); 1198 1199 return 0; 1200 } 1201 1202 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1203 int index) 1204 { 1205 struct pci_dev *pdev = adapter->pdev; 1206 unsigned short subsystem_vendor; 1207 bool ret = true; 1208 1209 subsystem_vendor = pdev->subsystem_vendor; 1210 1211 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1212 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1213 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1214 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1215 ret = true; 1216 else 1217 ret = false; 1218 } 1219 1220 return ret; 1221 } 1222 1223 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1224 { 1225 struct pci_dev *pdev = adapter->pdev; 1226 int i, found = 0; 1227 1228 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1229 if (qlcnic_boards[i].vendor == pdev->vendor && 1230 qlcnic_boards[i].device == pdev->device && 1231 qlcnic_validate_subsystem_id(adapter, i)) { 1232 found = 1; 1233 break; 1234 } 1235 } 1236 1237 if (!found) 1238 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1239 else 1240 sprintf(name, "%pM: %s" , adapter->mac_addr, 1241 qlcnic_boards[i].short_name); 1242 } 1243 1244 static void 1245 qlcnic_check_options(struct qlcnic_adapter *adapter) 1246 { 1247 int err; 1248 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1249 struct pci_dev *pdev = adapter->pdev; 1250 struct qlcnic_hardware_context *ahw = adapter->ahw; 1251 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1252 1253 prev_fw_version = adapter->fw_version; 1254 1255 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1256 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1257 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1258 1259 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1260 1261 err = qlcnic_get_board_info(adapter); 1262 if (err) { 1263 dev_err(&pdev->dev, "Error getting board config info.\n"); 1264 return; 1265 } 1266 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1267 if (fw_dump->tmpl_hdr == NULL || 1268 adapter->fw_version > prev_fw_version) { 1269 vfree(fw_dump->tmpl_hdr); 1270 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1271 dev_info(&pdev->dev, 1272 "Supports FW dump capability\n"); 1273 } 1274 } 1275 1276 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1277 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1278 1279 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1280 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1281 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1282 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1283 } else { 1284 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1286 } 1287 1288 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1289 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1290 1291 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1292 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1293 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1294 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1295 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1296 } 1297 1298 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1299 1300 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1301 1302 adapter->max_rds_rings = MAX_RDS_RINGS; 1303 } 1304 1305 static int 1306 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1307 { 1308 struct qlcnic_info nic_info; 1309 int err = 0; 1310 1311 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1312 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1313 if (err) 1314 return err; 1315 1316 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1317 adapter->ahw->switch_mode = nic_info.switch_mode; 1318 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1319 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1320 adapter->ahw->capabilities = nic_info.capabilities; 1321 1322 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1323 u32 temp; 1324 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1325 if (err == -EIO) 1326 return err; 1327 adapter->ahw->extra_capability[0] = temp; 1328 } else { 1329 adapter->ahw->extra_capability[0] = 0; 1330 } 1331 1332 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1333 adapter->ahw->max_mtu = nic_info.max_mtu; 1334 1335 if (adapter->ahw->capabilities & BIT_6) { 1336 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1337 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1338 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1339 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1340 1341 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1342 } else { 1343 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1344 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1345 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1346 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1347 } 1348 1349 return err; 1350 } 1351 1352 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1353 struct qlcnic_esw_func_cfg *esw_cfg) 1354 { 1355 if (esw_cfg->discard_tagged) 1356 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1357 else 1358 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1359 1360 if (esw_cfg->vlan_id) { 1361 adapter->rx_pvid = esw_cfg->vlan_id; 1362 adapter->tx_pvid = esw_cfg->vlan_id; 1363 } else { 1364 adapter->rx_pvid = 0; 1365 adapter->tx_pvid = 0; 1366 } 1367 } 1368 1369 static int 1370 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1371 { 1372 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1373 int err; 1374 1375 if (qlcnic_sriov_vf_check(adapter)) { 1376 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1377 if (err) { 1378 netdev_err(netdev, 1379 "Cannot add VLAN filter for VLAN id %d, err=%d", 1380 vid, err); 1381 return err; 1382 } 1383 } 1384 1385 set_bit(vid, adapter->vlans); 1386 return 0; 1387 } 1388 1389 static int 1390 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1391 { 1392 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1393 int err; 1394 1395 if (qlcnic_sriov_vf_check(adapter)) { 1396 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1397 if (err) { 1398 netdev_err(netdev, 1399 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1400 vid, err); 1401 return err; 1402 } 1403 } 1404 1405 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1406 clear_bit(vid, adapter->vlans); 1407 return 0; 1408 } 1409 1410 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1411 struct qlcnic_esw_func_cfg *esw_cfg) 1412 { 1413 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1414 QLCNIC_PROMISC_DISABLED); 1415 1416 if (esw_cfg->mac_anti_spoof) 1417 adapter->flags |= QLCNIC_MACSPOOF; 1418 1419 if (!esw_cfg->mac_override) 1420 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1421 1422 if (!esw_cfg->promisc_mode) 1423 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1424 } 1425 1426 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1427 { 1428 struct qlcnic_esw_func_cfg esw_cfg; 1429 1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1431 return 0; 1432 1433 esw_cfg.pci_func = adapter->ahw->pci_func; 1434 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1435 return -EIO; 1436 qlcnic_set_vlan_config(adapter, &esw_cfg); 1437 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1438 qlcnic_set_netdev_features(adapter, &esw_cfg); 1439 1440 return 0; 1441 } 1442 1443 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1444 struct qlcnic_esw_func_cfg *esw_cfg) 1445 { 1446 struct net_device *netdev = adapter->netdev; 1447 1448 if (qlcnic_83xx_check(adapter)) 1449 return; 1450 1451 adapter->offload_flags = esw_cfg->offload_flags; 1452 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1453 netdev_update_features(netdev); 1454 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1455 } 1456 1457 static int 1458 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1459 { 1460 u32 op_mode, priv_level; 1461 int err = 0; 1462 1463 err = qlcnic_initialize_nic(adapter); 1464 if (err) 1465 return err; 1466 1467 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1468 return 0; 1469 1470 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1471 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1472 1473 if (op_mode == QLC_DEV_DRV_DEFAULT) 1474 priv_level = QLCNIC_MGMT_FUNC; 1475 else 1476 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1477 1478 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1479 if (priv_level == QLCNIC_MGMT_FUNC) { 1480 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1481 err = qlcnic_init_pci_info(adapter); 1482 if (err) 1483 return err; 1484 /* Set privilege level for other functions */ 1485 qlcnic_set_function_modes(adapter); 1486 dev_info(&adapter->pdev->dev, 1487 "HAL Version: %d, Management function\n", 1488 adapter->ahw->fw_hal_version); 1489 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1490 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1491 dev_info(&adapter->pdev->dev, 1492 "HAL Version: %d, Privileged function\n", 1493 adapter->ahw->fw_hal_version); 1494 } 1495 } else { 1496 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1497 } 1498 1499 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1500 1501 return err; 1502 } 1503 1504 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1505 { 1506 struct qlcnic_esw_func_cfg esw_cfg; 1507 struct qlcnic_npar_info *npar; 1508 u8 i; 1509 1510 if (adapter->need_fw_reset) 1511 return 0; 1512 1513 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1514 if (!adapter->npars[i].eswitch_status) 1515 continue; 1516 1517 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1518 esw_cfg.pci_func = adapter->npars[i].pci_func; 1519 esw_cfg.mac_override = BIT_0; 1520 esw_cfg.promisc_mode = BIT_0; 1521 if (qlcnic_82xx_check(adapter)) { 1522 esw_cfg.offload_flags = BIT_0; 1523 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1524 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1525 } 1526 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1527 return -EIO; 1528 npar = &adapter->npars[i]; 1529 npar->pvid = esw_cfg.vlan_id; 1530 npar->mac_override = esw_cfg.mac_override; 1531 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1532 npar->discard_tagged = esw_cfg.discard_tagged; 1533 npar->promisc_mode = esw_cfg.promisc_mode; 1534 npar->offload_flags = esw_cfg.offload_flags; 1535 } 1536 1537 return 0; 1538 } 1539 1540 1541 static int 1542 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1543 struct qlcnic_npar_info *npar, int pci_func) 1544 { 1545 struct qlcnic_esw_func_cfg esw_cfg; 1546 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1547 esw_cfg.pci_func = pci_func; 1548 esw_cfg.vlan_id = npar->pvid; 1549 esw_cfg.mac_override = npar->mac_override; 1550 esw_cfg.discard_tagged = npar->discard_tagged; 1551 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1552 esw_cfg.offload_flags = npar->offload_flags; 1553 esw_cfg.promisc_mode = npar->promisc_mode; 1554 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1555 return -EIO; 1556 1557 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1558 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1559 return -EIO; 1560 1561 return 0; 1562 } 1563 1564 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1565 { 1566 int i, err; 1567 struct qlcnic_npar_info *npar; 1568 struct qlcnic_info nic_info; 1569 u8 pci_func; 1570 1571 if (qlcnic_82xx_check(adapter)) 1572 if (!adapter->need_fw_reset) 1573 return 0; 1574 1575 /* Set the NPAR config data after FW reset */ 1576 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1577 npar = &adapter->npars[i]; 1578 pci_func = npar->pci_func; 1579 if (!adapter->npars[i].eswitch_status) 1580 continue; 1581 1582 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1583 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1584 if (err) 1585 return err; 1586 nic_info.min_tx_bw = npar->min_bw; 1587 nic_info.max_tx_bw = npar->max_bw; 1588 err = qlcnic_set_nic_info(adapter, &nic_info); 1589 if (err) 1590 return err; 1591 1592 if (npar->enable_pm) { 1593 err = qlcnic_config_port_mirroring(adapter, 1594 npar->dest_npar, 1, 1595 pci_func); 1596 if (err) 1597 return err; 1598 } 1599 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1600 if (err) 1601 return err; 1602 } 1603 return 0; 1604 } 1605 1606 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1607 { 1608 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1609 u32 npar_state; 1610 1611 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1612 return 0; 1613 1614 npar_state = QLC_SHARED_REG_RD32(adapter, 1615 QLCNIC_CRB_DEV_NPAR_STATE); 1616 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1617 msleep(1000); 1618 npar_state = QLC_SHARED_REG_RD32(adapter, 1619 QLCNIC_CRB_DEV_NPAR_STATE); 1620 } 1621 if (!npar_opt_timeo) { 1622 dev_err(&adapter->pdev->dev, 1623 "Waiting for NPAR state to operational timeout\n"); 1624 return -EIO; 1625 } 1626 return 0; 1627 } 1628 1629 static int 1630 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1631 { 1632 int err; 1633 1634 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1635 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1636 return 0; 1637 1638 err = qlcnic_set_default_offload_settings(adapter); 1639 if (err) 1640 return err; 1641 1642 err = qlcnic_reset_npar_config(adapter); 1643 if (err) 1644 return err; 1645 1646 qlcnic_dev_set_npar_ready(adapter); 1647 1648 return err; 1649 } 1650 1651 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1652 { 1653 int err; 1654 1655 err = qlcnic_can_start_firmware(adapter); 1656 if (err < 0) 1657 return err; 1658 else if (!err) 1659 goto check_fw_status; 1660 1661 if (qlcnic_load_fw_file) 1662 qlcnic_request_firmware(adapter); 1663 else { 1664 err = qlcnic_check_flash_fw_ver(adapter); 1665 if (err) 1666 goto err_out; 1667 1668 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1669 } 1670 1671 err = qlcnic_need_fw_reset(adapter); 1672 if (err == 0) 1673 goto check_fw_status; 1674 1675 err = qlcnic_pinit_from_rom(adapter); 1676 if (err) 1677 goto err_out; 1678 1679 err = qlcnic_load_firmware(adapter); 1680 if (err) 1681 goto err_out; 1682 1683 qlcnic_release_firmware(adapter); 1684 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1685 1686 check_fw_status: 1687 err = qlcnic_check_fw_status(adapter); 1688 if (err) 1689 goto err_out; 1690 1691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1692 qlcnic_idc_debug_info(adapter, 1); 1693 err = qlcnic_check_eswitch_mode(adapter); 1694 if (err) { 1695 dev_err(&adapter->pdev->dev, 1696 "Memory allocation failed for eswitch\n"); 1697 goto err_out; 1698 } 1699 err = qlcnic_set_mgmt_operations(adapter); 1700 if (err) 1701 goto err_out; 1702 1703 qlcnic_check_options(adapter); 1704 adapter->need_fw_reset = 0; 1705 1706 qlcnic_release_firmware(adapter); 1707 return 0; 1708 1709 err_out: 1710 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1711 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1712 1713 qlcnic_release_firmware(adapter); 1714 return err; 1715 } 1716 1717 static int 1718 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1719 { 1720 irq_handler_t handler; 1721 struct qlcnic_host_sds_ring *sds_ring; 1722 struct qlcnic_host_tx_ring *tx_ring; 1723 int err, ring, num_sds_rings; 1724 1725 unsigned long flags = 0; 1726 struct net_device *netdev = adapter->netdev; 1727 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1728 1729 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1730 if (qlcnic_82xx_check(adapter)) 1731 handler = qlcnic_tmp_intr; 1732 else 1733 handler = qlcnic_83xx_tmp_intr; 1734 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1735 flags |= IRQF_SHARED; 1736 1737 } else { 1738 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1739 handler = qlcnic_msix_intr; 1740 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1741 handler = qlcnic_msi_intr; 1742 else { 1743 flags |= IRQF_SHARED; 1744 if (qlcnic_82xx_check(adapter)) 1745 handler = qlcnic_intr; 1746 else 1747 handler = qlcnic_83xx_intr; 1748 } 1749 } 1750 adapter->irq = netdev->irq; 1751 1752 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1753 if (qlcnic_82xx_check(adapter) || 1754 (qlcnic_83xx_check(adapter) && 1755 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1756 num_sds_rings = adapter->drv_sds_rings; 1757 for (ring = 0; ring < num_sds_rings; ring++) { 1758 sds_ring = &recv_ctx->sds_rings[ring]; 1759 if (qlcnic_82xx_check(adapter) && 1760 !qlcnic_check_multi_tx(adapter) && 1761 (ring == (num_sds_rings - 1))) { 1762 if (!(adapter->flags & 1763 QLCNIC_MSIX_ENABLED)) 1764 snprintf(sds_ring->name, 1765 sizeof(sds_ring->name), 1766 "qlcnic"); 1767 else 1768 snprintf(sds_ring->name, 1769 sizeof(sds_ring->name), 1770 "%s-tx-0-rx-%d", 1771 netdev->name, ring); 1772 } else { 1773 snprintf(sds_ring->name, 1774 sizeof(sds_ring->name), 1775 "%s-rx-%d", 1776 netdev->name, ring); 1777 } 1778 err = request_irq(sds_ring->irq, handler, flags, 1779 sds_ring->name, sds_ring); 1780 if (err) 1781 return err; 1782 } 1783 } 1784 if ((qlcnic_82xx_check(adapter) && 1785 qlcnic_check_multi_tx(adapter)) || 1786 (qlcnic_83xx_check(adapter) && 1787 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1788 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1789 handler = qlcnic_msix_tx_intr; 1790 for (ring = 0; ring < adapter->drv_tx_rings; 1791 ring++) { 1792 tx_ring = &adapter->tx_ring[ring]; 1793 snprintf(tx_ring->name, sizeof(tx_ring->name), 1794 "%s-tx-%d", netdev->name, ring); 1795 err = request_irq(tx_ring->irq, handler, flags, 1796 tx_ring->name, tx_ring); 1797 if (err) 1798 return err; 1799 } 1800 } 1801 } 1802 return 0; 1803 } 1804 1805 static void 1806 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1807 { 1808 int ring; 1809 struct qlcnic_host_sds_ring *sds_ring; 1810 struct qlcnic_host_tx_ring *tx_ring; 1811 1812 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1813 1814 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1815 if (qlcnic_82xx_check(adapter) || 1816 (qlcnic_83xx_check(adapter) && 1817 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1818 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1819 sds_ring = &recv_ctx->sds_rings[ring]; 1820 free_irq(sds_ring->irq, sds_ring); 1821 } 1822 } 1823 if ((qlcnic_83xx_check(adapter) && 1824 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1825 (qlcnic_82xx_check(adapter) && 1826 qlcnic_check_multi_tx(adapter))) { 1827 for (ring = 0; ring < adapter->drv_tx_rings; 1828 ring++) { 1829 tx_ring = &adapter->tx_ring[ring]; 1830 if (tx_ring->irq) 1831 free_irq(tx_ring->irq, tx_ring); 1832 } 1833 } 1834 } 1835 } 1836 1837 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1838 { 1839 u32 capab = 0; 1840 1841 if (qlcnic_82xx_check(adapter)) { 1842 if (adapter->ahw->extra_capability[0] & 1843 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1844 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1845 } else { 1846 capab = adapter->ahw->capabilities; 1847 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1848 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1849 } 1850 } 1851 1852 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1853 { 1854 struct qlcnic_hardware_context *ahw = adapter->ahw; 1855 int err; 1856 1857 /* Initialize interrupt coalesce parameters */ 1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1859 1860 if (qlcnic_83xx_check(adapter)) { 1861 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1862 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1863 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1864 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1865 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1866 1867 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1868 } else { 1869 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1870 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1871 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1872 1873 err = qlcnic_82xx_set_rx_coalesce(adapter); 1874 } 1875 1876 return err; 1877 } 1878 1879 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1880 { 1881 int ring; 1882 struct qlcnic_host_rds_ring *rds_ring; 1883 1884 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1885 return -EIO; 1886 1887 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1888 return 0; 1889 1890 if (qlcnic_set_eswitch_port_config(adapter)) 1891 return -EIO; 1892 1893 qlcnic_get_lro_mss_capability(adapter); 1894 1895 if (qlcnic_fw_create_ctx(adapter)) 1896 return -EIO; 1897 1898 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1899 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1900 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1901 } 1902 1903 qlcnic_set_multi(netdev); 1904 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1905 1906 adapter->ahw->linkup = 0; 1907 1908 if (adapter->drv_sds_rings > 1) 1909 qlcnic_config_rss(adapter, 1); 1910 1911 qlcnic_config_def_intr_coalesce(adapter); 1912 1913 if (netdev->features & NETIF_F_LRO) 1914 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1915 1916 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1917 qlcnic_napi_enable(adapter); 1918 1919 qlcnic_linkevent_request(adapter, 1); 1920 1921 adapter->ahw->reset_context = 0; 1922 netif_tx_start_all_queues(netdev); 1923 return 0; 1924 } 1925 1926 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1927 { 1928 int err = 0; 1929 1930 rtnl_lock(); 1931 if (netif_running(netdev)) 1932 err = __qlcnic_up(adapter, netdev); 1933 rtnl_unlock(); 1934 1935 return err; 1936 } 1937 1938 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1939 { 1940 int ring; 1941 1942 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1943 return; 1944 1945 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1946 return; 1947 1948 smp_mb(); 1949 netif_carrier_off(netdev); 1950 adapter->ahw->linkup = 0; 1951 netif_tx_disable(netdev); 1952 1953 qlcnic_free_mac_list(adapter); 1954 1955 if (adapter->fhash.fnum) 1956 qlcnic_delete_lb_filters(adapter); 1957 1958 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1959 if (qlcnic_sriov_vf_check(adapter)) 1960 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1961 1962 qlcnic_napi_disable(adapter); 1963 1964 qlcnic_fw_destroy_ctx(adapter); 1965 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1966 1967 qlcnic_reset_rx_buffers_list(adapter); 1968 1969 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1970 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1971 } 1972 1973 /* Usage: During suspend and firmware recovery module */ 1974 1975 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1976 { 1977 rtnl_lock(); 1978 if (netif_running(netdev)) 1979 __qlcnic_down(adapter, netdev); 1980 rtnl_unlock(); 1981 1982 } 1983 1984 int 1985 qlcnic_attach(struct qlcnic_adapter *adapter) 1986 { 1987 struct net_device *netdev = adapter->netdev; 1988 struct pci_dev *pdev = adapter->pdev; 1989 int err; 1990 1991 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1992 return 0; 1993 1994 err = qlcnic_napi_add(adapter, netdev); 1995 if (err) 1996 return err; 1997 1998 err = qlcnic_alloc_sw_resources(adapter); 1999 if (err) { 2000 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2001 goto err_out_napi_del; 2002 } 2003 2004 err = qlcnic_alloc_hw_resources(adapter); 2005 if (err) { 2006 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2007 goto err_out_free_sw; 2008 } 2009 2010 err = qlcnic_request_irq(adapter); 2011 if (err) { 2012 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2013 goto err_out_free_hw; 2014 } 2015 2016 qlcnic_create_sysfs_entries(adapter); 2017 2018 if (qlcnic_encap_rx_offload(adapter)) 2019 udp_tunnel_get_rx_info(netdev); 2020 2021 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2022 return 0; 2023 2024 err_out_free_hw: 2025 qlcnic_free_hw_resources(adapter); 2026 err_out_free_sw: 2027 qlcnic_free_sw_resources(adapter); 2028 err_out_napi_del: 2029 qlcnic_napi_del(adapter); 2030 return err; 2031 } 2032 2033 void qlcnic_detach(struct qlcnic_adapter *adapter) 2034 { 2035 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2036 return; 2037 2038 qlcnic_remove_sysfs_entries(adapter); 2039 2040 qlcnic_free_hw_resources(adapter); 2041 qlcnic_release_rx_buffers(adapter); 2042 qlcnic_free_irq(adapter); 2043 qlcnic_napi_del(adapter); 2044 qlcnic_free_sw_resources(adapter); 2045 2046 adapter->is_up = 0; 2047 } 2048 2049 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2050 { 2051 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2052 struct qlcnic_host_sds_ring *sds_ring; 2053 int drv_tx_rings = adapter->drv_tx_rings; 2054 int ring; 2055 2056 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2057 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2058 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2059 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2060 qlcnic_disable_sds_intr(adapter, sds_ring); 2061 } 2062 } 2063 2064 qlcnic_fw_destroy_ctx(adapter); 2065 2066 qlcnic_detach(adapter); 2067 2068 adapter->ahw->diag_test = 0; 2069 adapter->drv_sds_rings = drv_sds_rings; 2070 adapter->drv_tx_rings = drv_tx_rings; 2071 2072 if (qlcnic_attach(adapter)) 2073 goto out; 2074 2075 if (netif_running(netdev)) 2076 __qlcnic_up(adapter, netdev); 2077 out: 2078 netif_device_attach(netdev); 2079 } 2080 2081 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2082 { 2083 struct qlcnic_hardware_context *ahw = adapter->ahw; 2084 int err = 0; 2085 2086 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2087 GFP_KERNEL); 2088 if (!adapter->recv_ctx) { 2089 err = -ENOMEM; 2090 goto err_out; 2091 } 2092 2093 if (qlcnic_83xx_check(adapter)) { 2094 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2095 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2096 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2097 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2098 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2099 } else { 2100 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2101 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2102 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2103 } 2104 2105 /* clear stats */ 2106 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2107 err_out: 2108 return err; 2109 } 2110 2111 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2112 { 2113 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2114 2115 kfree(adapter->recv_ctx); 2116 adapter->recv_ctx = NULL; 2117 2118 if (fw_dump->tmpl_hdr) { 2119 vfree(fw_dump->tmpl_hdr); 2120 fw_dump->tmpl_hdr = NULL; 2121 } 2122 2123 if (fw_dump->dma_buffer) { 2124 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2125 fw_dump->dma_buffer, fw_dump->phys_addr); 2126 fw_dump->dma_buffer = NULL; 2127 } 2128 2129 kfree(adapter->ahw->reset.buff); 2130 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2131 } 2132 2133 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2134 { 2135 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2136 struct qlcnic_host_sds_ring *sds_ring; 2137 struct qlcnic_host_rds_ring *rds_ring; 2138 int ring; 2139 int ret; 2140 2141 netif_device_detach(netdev); 2142 2143 if (netif_running(netdev)) 2144 __qlcnic_down(adapter, netdev); 2145 2146 qlcnic_detach(adapter); 2147 2148 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2149 adapter->ahw->diag_test = test; 2150 adapter->ahw->linkup = 0; 2151 2152 ret = qlcnic_attach(adapter); 2153 if (ret) { 2154 netif_device_attach(netdev); 2155 return ret; 2156 } 2157 2158 ret = qlcnic_fw_create_ctx(adapter); 2159 if (ret) { 2160 qlcnic_detach(adapter); 2161 netif_device_attach(netdev); 2162 return ret; 2163 } 2164 2165 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2166 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2167 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2168 } 2169 2170 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2171 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2172 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2173 qlcnic_enable_sds_intr(adapter, sds_ring); 2174 } 2175 } 2176 2177 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2178 adapter->ahw->loopback_state = 0; 2179 qlcnic_linkevent_request(adapter, 1); 2180 } 2181 2182 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2183 2184 return 0; 2185 } 2186 2187 /* Reset context in hardware only */ 2188 static int 2189 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2190 { 2191 struct net_device *netdev = adapter->netdev; 2192 2193 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2194 return -EBUSY; 2195 2196 netif_device_detach(netdev); 2197 2198 qlcnic_down(adapter, netdev); 2199 2200 qlcnic_up(adapter, netdev); 2201 2202 netif_device_attach(netdev); 2203 2204 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2205 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2206 return 0; 2207 } 2208 2209 int 2210 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2211 { 2212 int err = 0; 2213 struct net_device *netdev = adapter->netdev; 2214 2215 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2216 return -EBUSY; 2217 2218 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2219 2220 netif_device_detach(netdev); 2221 2222 if (netif_running(netdev)) 2223 __qlcnic_down(adapter, netdev); 2224 2225 qlcnic_detach(adapter); 2226 2227 if (netif_running(netdev)) { 2228 err = qlcnic_attach(adapter); 2229 if (!err) { 2230 __qlcnic_up(adapter, netdev); 2231 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2232 } 2233 } 2234 2235 netif_device_attach(netdev); 2236 } 2237 2238 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2239 return err; 2240 } 2241 2242 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2243 { 2244 struct qlcnic_hardware_context *ahw = adapter->ahw; 2245 u16 act_pci_fn = ahw->total_nic_func; 2246 u16 count; 2247 2248 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2249 if (act_pci_fn <= 2) 2250 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2251 act_pci_fn; 2252 else 2253 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2254 act_pci_fn; 2255 ahw->max_uc_count = count; 2256 } 2257 2258 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2259 u8 tx_queues, u8 rx_queues) 2260 { 2261 struct net_device *netdev = adapter->netdev; 2262 int err = 0; 2263 2264 if (tx_queues) { 2265 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2266 if (err) { 2267 netdev_err(netdev, "failed to set %d Tx queues\n", 2268 tx_queues); 2269 return err; 2270 } 2271 } 2272 2273 if (rx_queues) { 2274 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2275 if (err) 2276 netdev_err(netdev, "failed to set %d Rx queues\n", 2277 rx_queues); 2278 } 2279 2280 return err; 2281 } 2282 2283 int 2284 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2285 int pci_using_dac) 2286 { 2287 int err; 2288 struct pci_dev *pdev = adapter->pdev; 2289 2290 adapter->rx_csum = 1; 2291 adapter->ahw->mc_enabled = 0; 2292 qlcnic_set_mac_filter_count(adapter); 2293 2294 netdev->netdev_ops = &qlcnic_netdev_ops; 2295 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2296 2297 qlcnic_change_mtu(netdev, netdev->mtu); 2298 2299 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2300 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2301 2302 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2303 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2304 NETIF_F_HW_VLAN_CTAG_RX); 2305 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2306 NETIF_F_IPV6_CSUM); 2307 2308 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2309 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2310 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2311 } 2312 2313 if (pci_using_dac) { 2314 netdev->features |= NETIF_F_HIGHDMA; 2315 netdev->vlan_features |= NETIF_F_HIGHDMA; 2316 } 2317 2318 if (qlcnic_vlan_tx_check(adapter)) 2319 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2320 2321 if (qlcnic_sriov_vf_check(adapter)) 2322 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2323 2324 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2325 netdev->features |= NETIF_F_LRO; 2326 2327 if (qlcnic_encap_tx_offload(adapter)) { 2328 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2329 2330 /* encapsulation Tx offload supported by Adapter */ 2331 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2332 NETIF_F_GSO_UDP_TUNNEL | 2333 NETIF_F_TSO | 2334 NETIF_F_TSO6; 2335 } 2336 2337 if (qlcnic_encap_rx_offload(adapter)) 2338 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2339 2340 netdev->hw_features = netdev->features; 2341 netdev->priv_flags |= IFF_UNICAST_FLT; 2342 netdev->irq = adapter->msix_entries[0].vector; 2343 2344 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2345 adapter->drv_sds_rings); 2346 if (err) 2347 return err; 2348 2349 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2350 2351 err = register_netdev(netdev); 2352 if (err) { 2353 dev_err(&pdev->dev, "failed to register net device\n"); 2354 return err; 2355 } 2356 2357 return 0; 2358 } 2359 2360 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2361 { 2362 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2363 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2364 *pci_using_dac = 1; 2365 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2366 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2367 *pci_using_dac = 0; 2368 else { 2369 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2370 return -EIO; 2371 } 2372 2373 return 0; 2374 } 2375 2376 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2377 { 2378 int ring; 2379 struct qlcnic_host_tx_ring *tx_ring; 2380 2381 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2382 tx_ring = &adapter->tx_ring[ring]; 2383 if (tx_ring) { 2384 vfree(tx_ring->cmd_buf_arr); 2385 tx_ring->cmd_buf_arr = NULL; 2386 } 2387 } 2388 kfree(adapter->tx_ring); 2389 } 2390 2391 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2392 struct net_device *netdev) 2393 { 2394 int ring, vector, index; 2395 struct qlcnic_host_tx_ring *tx_ring; 2396 struct qlcnic_cmd_buffer *cmd_buf_arr; 2397 2398 tx_ring = kcalloc(adapter->drv_tx_rings, 2399 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2400 if (tx_ring == NULL) 2401 return -ENOMEM; 2402 2403 adapter->tx_ring = tx_ring; 2404 2405 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2406 tx_ring = &adapter->tx_ring[ring]; 2407 tx_ring->num_desc = adapter->num_txd; 2408 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2409 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2410 if (cmd_buf_arr == NULL) { 2411 qlcnic_free_tx_rings(adapter); 2412 return -ENOMEM; 2413 } 2414 tx_ring->cmd_buf_arr = cmd_buf_arr; 2415 spin_lock_init(&tx_ring->tx_clean_lock); 2416 } 2417 2418 if (qlcnic_83xx_check(adapter) || 2419 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2420 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2421 tx_ring = &adapter->tx_ring[ring]; 2422 tx_ring->adapter = adapter; 2423 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2424 index = adapter->drv_sds_rings + ring; 2425 vector = adapter->msix_entries[index].vector; 2426 tx_ring->irq = vector; 2427 } 2428 } 2429 } 2430 2431 return 0; 2432 } 2433 2434 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2435 { 2436 struct qlcnic_hardware_context *ahw = adapter->ahw; 2437 u32 fw_cmd = 0; 2438 2439 if (qlcnic_82xx_check(adapter)) 2440 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2441 else if (qlcnic_83xx_check(adapter)) 2442 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2443 2444 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2445 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2446 } 2447 2448 /* Reset firmware API lock */ 2449 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2450 { 2451 qlcnic_api_lock(adapter); 2452 qlcnic_api_unlock(adapter); 2453 } 2454 2455 2456 static int 2457 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2458 { 2459 struct net_device *netdev = NULL; 2460 struct qlcnic_adapter *adapter = NULL; 2461 struct qlcnic_hardware_context *ahw; 2462 int err, pci_using_dac = -1; 2463 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2464 2465 err = pci_enable_device(pdev); 2466 if (err) 2467 return err; 2468 2469 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2470 err = -ENODEV; 2471 goto err_out_disable_pdev; 2472 } 2473 2474 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2475 if (err) 2476 goto err_out_disable_pdev; 2477 2478 err = pci_request_regions(pdev, qlcnic_driver_name); 2479 if (err) 2480 goto err_out_disable_pdev; 2481 2482 pci_set_master(pdev); 2483 pci_enable_pcie_error_reporting(pdev); 2484 2485 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2486 if (!ahw) { 2487 err = -ENOMEM; 2488 goto err_out_free_res; 2489 } 2490 2491 switch (ent->device) { 2492 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2493 ahw->hw_ops = &qlcnic_hw_ops; 2494 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2495 break; 2496 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2497 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2498 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2499 qlcnic_83xx_register_map(ahw); 2500 break; 2501 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2502 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2503 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2504 qlcnic_sriov_vf_register_map(ahw); 2505 break; 2506 default: 2507 goto err_out_free_hw_res; 2508 } 2509 2510 err = qlcnic_setup_pci_map(pdev, ahw); 2511 if (err) 2512 goto err_out_free_hw_res; 2513 2514 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2515 QLCNIC_MAX_TX_RINGS); 2516 if (!netdev) { 2517 err = -ENOMEM; 2518 goto err_out_iounmap; 2519 } 2520 2521 SET_NETDEV_DEV(netdev, &pdev->dev); 2522 2523 adapter = netdev_priv(netdev); 2524 adapter->netdev = netdev; 2525 adapter->pdev = pdev; 2526 adapter->ahw = ahw; 2527 2528 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2529 if (adapter->qlcnic_wq == NULL) { 2530 err = -ENOMEM; 2531 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2532 goto err_out_free_netdev; 2533 } 2534 2535 err = qlcnic_alloc_adapter_resources(adapter); 2536 if (err) 2537 goto err_out_free_wq; 2538 2539 adapter->dev_rst_time = jiffies; 2540 ahw->revision_id = pdev->revision; 2541 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2542 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2543 adapter->fdb_mac_learn = true; 2544 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2545 adapter->drv_mac_learn = true; 2546 2547 rwlock_init(&adapter->ahw->crb_lock); 2548 mutex_init(&adapter->ahw->mem_lock); 2549 2550 INIT_LIST_HEAD(&adapter->mac_list); 2551 2552 qlcnic_register_dcb(adapter); 2553 2554 if (qlcnic_82xx_check(adapter)) { 2555 qlcnic_check_vf(adapter, ent); 2556 adapter->portnum = adapter->ahw->pci_func; 2557 qlcnic_reset_api_lock(adapter); 2558 err = qlcnic_start_firmware(adapter); 2559 if (err) { 2560 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2561 "\t\tIf reboot doesn't help, try flashing the card\n"); 2562 goto err_out_maintenance_mode; 2563 } 2564 2565 /* compute and set default and max tx/sds rings */ 2566 if (adapter->ahw->msix_supported) { 2567 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2568 qlcnic_set_tx_ring_count(adapter, 2569 QLCNIC_SINGLE_RING); 2570 else 2571 qlcnic_set_tx_ring_count(adapter, 2572 QLCNIC_DEF_TX_RINGS); 2573 qlcnic_set_sds_ring_count(adapter, 2574 QLCNIC_DEF_SDS_RINGS); 2575 } else { 2576 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2577 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2578 } 2579 2580 err = qlcnic_setup_idc_param(adapter); 2581 if (err) 2582 goto err_out_free_hw; 2583 2584 adapter->flags |= QLCNIC_NEED_FLR; 2585 2586 } else if (qlcnic_83xx_check(adapter)) { 2587 qlcnic_83xx_check_vf(adapter, ent); 2588 adapter->portnum = adapter->ahw->pci_func; 2589 err = qlcnic_83xx_init(adapter, pci_using_dac); 2590 if (err) { 2591 switch (err) { 2592 case -ENOTRECOVERABLE: 2593 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2594 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2595 goto err_out_free_hw; 2596 case -ENOMEM: 2597 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2598 goto err_out_free_hw; 2599 case -EOPNOTSUPP: 2600 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2601 goto err_out_free_hw; 2602 default: 2603 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2604 goto err_out_maintenance_mode; 2605 } 2606 } 2607 2608 if (qlcnic_sriov_vf_check(adapter)) 2609 return 0; 2610 } else { 2611 dev_err(&pdev->dev, 2612 "%s: failed. Please Reboot\n", __func__); 2613 err = -ENODEV; 2614 goto err_out_free_hw; 2615 } 2616 2617 if (qlcnic_read_mac_addr(adapter)) 2618 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2619 2620 qlcnic_read_phys_port_id(adapter); 2621 2622 if (adapter->portnum == 0) { 2623 qlcnic_get_board_name(adapter, board_name); 2624 2625 pr_info("%s: %s Board Chip rev 0x%x\n", 2626 module_name(THIS_MODULE), 2627 board_name, adapter->ahw->revision_id); 2628 } 2629 2630 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2631 !!qlcnic_use_msi) 2632 dev_warn(&pdev->dev, 2633 "Device does not support MSI interrupts\n"); 2634 2635 if (qlcnic_82xx_check(adapter)) { 2636 qlcnic_dcb_enable(adapter->dcb); 2637 qlcnic_dcb_get_info(adapter->dcb); 2638 err = qlcnic_setup_intr(adapter); 2639 2640 if (err) { 2641 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2642 goto err_out_disable_msi; 2643 } 2644 } 2645 2646 err = qlcnic_get_act_pci_func(adapter); 2647 if (err) 2648 goto err_out_disable_mbx_intr; 2649 2650 if (adapter->portnum == 0) 2651 qlcnic_set_drv_version(adapter); 2652 2653 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2654 if (err) 2655 goto err_out_disable_mbx_intr; 2656 2657 pci_set_drvdata(pdev, adapter); 2658 2659 if (qlcnic_82xx_check(adapter)) 2660 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2661 FW_POLL_DELAY); 2662 2663 switch (adapter->ahw->port_type) { 2664 case QLCNIC_GBE: 2665 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2666 adapter->netdev->name); 2667 break; 2668 case QLCNIC_XGBE: 2669 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2670 adapter->netdev->name); 2671 break; 2672 } 2673 2674 if (adapter->drv_mac_learn) 2675 qlcnic_alloc_lb_filters_mem(adapter); 2676 2677 qlcnic_add_sysfs(adapter); 2678 qlcnic_register_hwmon_dev(adapter); 2679 return 0; 2680 2681 err_out_disable_mbx_intr: 2682 if (qlcnic_83xx_check(adapter)) 2683 qlcnic_83xx_free_mbx_intr(adapter); 2684 2685 err_out_disable_msi: 2686 qlcnic_teardown_intr(adapter); 2687 qlcnic_cancel_idc_work(adapter); 2688 qlcnic_clr_all_drv_state(adapter, 0); 2689 2690 err_out_free_hw: 2691 qlcnic_free_adapter_resources(adapter); 2692 2693 err_out_free_wq: 2694 destroy_workqueue(adapter->qlcnic_wq); 2695 2696 err_out_free_netdev: 2697 free_netdev(netdev); 2698 2699 err_out_iounmap: 2700 qlcnic_cleanup_pci_map(ahw); 2701 2702 err_out_free_hw_res: 2703 kfree(ahw); 2704 2705 err_out_free_res: 2706 pci_release_regions(pdev); 2707 2708 err_out_disable_pdev: 2709 pci_disable_device(pdev); 2710 return err; 2711 2712 err_out_maintenance_mode: 2713 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2714 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2715 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2716 ahw->port_type = QLCNIC_XGBE; 2717 2718 if (qlcnic_83xx_check(adapter)) 2719 adapter->tgt_status_reg = NULL; 2720 else 2721 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2722 2723 err = register_netdev(netdev); 2724 2725 if (err) { 2726 dev_err(&pdev->dev, "Failed to register net device\n"); 2727 qlcnic_clr_all_drv_state(adapter, 0); 2728 goto err_out_free_hw; 2729 } 2730 2731 pci_set_drvdata(pdev, adapter); 2732 qlcnic_add_sysfs(adapter); 2733 2734 return 0; 2735 } 2736 2737 static void qlcnic_remove(struct pci_dev *pdev) 2738 { 2739 struct qlcnic_adapter *adapter; 2740 struct net_device *netdev; 2741 struct qlcnic_hardware_context *ahw; 2742 2743 adapter = pci_get_drvdata(pdev); 2744 if (adapter == NULL) 2745 return; 2746 2747 netdev = adapter->netdev; 2748 2749 qlcnic_cancel_idc_work(adapter); 2750 qlcnic_sriov_pf_disable(adapter); 2751 ahw = adapter->ahw; 2752 2753 unregister_netdev(netdev); 2754 qlcnic_sriov_cleanup(adapter); 2755 2756 if (qlcnic_83xx_check(adapter)) { 2757 qlcnic_83xx_initialize_nic(adapter, 0); 2758 cancel_delayed_work_sync(&adapter->idc_aen_work); 2759 qlcnic_83xx_free_mbx_intr(adapter); 2760 qlcnic_83xx_detach_mailbox_work(adapter); 2761 qlcnic_83xx_free_mailbox(ahw->mailbox); 2762 kfree(ahw->fw_info); 2763 } 2764 2765 qlcnic_dcb_free(adapter->dcb); 2766 qlcnic_detach(adapter); 2767 kfree(adapter->npars); 2768 kfree(adapter->eswitch); 2769 2770 if (qlcnic_82xx_check(adapter)) 2771 qlcnic_clr_all_drv_state(adapter, 0); 2772 2773 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2774 2775 qlcnic_free_lb_filters_mem(adapter); 2776 2777 qlcnic_teardown_intr(adapter); 2778 2779 qlcnic_remove_sysfs(adapter); 2780 2781 qlcnic_unregister_hwmon_dev(adapter); 2782 2783 qlcnic_cleanup_pci_map(adapter->ahw); 2784 2785 qlcnic_release_firmware(adapter); 2786 2787 pci_disable_pcie_error_reporting(pdev); 2788 pci_release_regions(pdev); 2789 pci_disable_device(pdev); 2790 2791 if (adapter->qlcnic_wq) { 2792 destroy_workqueue(adapter->qlcnic_wq); 2793 adapter->qlcnic_wq = NULL; 2794 } 2795 2796 qlcnic_free_adapter_resources(adapter); 2797 kfree(ahw); 2798 free_netdev(netdev); 2799 } 2800 2801 static void qlcnic_shutdown(struct pci_dev *pdev) 2802 { 2803 if (__qlcnic_shutdown(pdev)) 2804 return; 2805 2806 pci_disable_device(pdev); 2807 } 2808 2809 #ifdef CONFIG_PM 2810 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2811 { 2812 int retval; 2813 2814 retval = __qlcnic_shutdown(pdev); 2815 if (retval) 2816 return retval; 2817 2818 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2819 return 0; 2820 } 2821 2822 static int qlcnic_resume(struct pci_dev *pdev) 2823 { 2824 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2825 int err; 2826 2827 err = pci_enable_device(pdev); 2828 if (err) 2829 return err; 2830 2831 pci_set_power_state(pdev, PCI_D0); 2832 pci_set_master(pdev); 2833 pci_restore_state(pdev); 2834 2835 return __qlcnic_resume(adapter); 2836 } 2837 #endif 2838 2839 static int qlcnic_open(struct net_device *netdev) 2840 { 2841 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2842 int err; 2843 2844 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2845 netdev_err(netdev, "%s: Device is in non-operational state\n", 2846 __func__); 2847 2848 return -EIO; 2849 } 2850 2851 netif_carrier_off(netdev); 2852 2853 err = qlcnic_attach(adapter); 2854 if (err) 2855 return err; 2856 2857 err = __qlcnic_up(adapter, netdev); 2858 if (err) 2859 qlcnic_detach(adapter); 2860 2861 return err; 2862 } 2863 2864 /* 2865 * qlcnic_close - Disables a network interface entry point 2866 */ 2867 static int qlcnic_close(struct net_device *netdev) 2868 { 2869 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2870 2871 __qlcnic_down(adapter, netdev); 2872 2873 return 0; 2874 } 2875 2876 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2877 2878 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2879 { 2880 void *head; 2881 int i; 2882 struct net_device *netdev = adapter->netdev; 2883 u32 filter_size = 0; 2884 u16 act_pci_func = 0; 2885 2886 if (adapter->fhash.fmax && adapter->fhash.fhead) 2887 return; 2888 2889 act_pci_func = adapter->ahw->total_nic_func; 2890 spin_lock_init(&adapter->mac_learn_lock); 2891 spin_lock_init(&adapter->rx_mac_learn_lock); 2892 2893 if (qlcnic_sriov_vf_check(adapter)) { 2894 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2895 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2896 } else if (qlcnic_82xx_check(adapter)) { 2897 filter_size = QLCNIC_LB_MAX_FILTERS; 2898 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2899 } else { 2900 filter_size = QLC_83XX_LB_MAX_FILTERS; 2901 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2902 } 2903 2904 head = kcalloc(adapter->fhash.fbucket_size, 2905 sizeof(struct hlist_head), GFP_ATOMIC); 2906 2907 if (!head) 2908 return; 2909 2910 adapter->fhash.fmax = (filter_size / act_pci_func); 2911 adapter->fhash.fhead = head; 2912 2913 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2914 act_pci_func, adapter->fhash.fmax); 2915 2916 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2917 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2918 2919 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2920 2921 head = kcalloc(adapter->rx_fhash.fbucket_size, 2922 sizeof(struct hlist_head), GFP_ATOMIC); 2923 2924 if (!head) 2925 return; 2926 2927 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2928 adapter->rx_fhash.fhead = head; 2929 2930 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2931 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2932 } 2933 2934 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2935 { 2936 if (adapter->fhash.fmax) 2937 kfree(adapter->fhash.fhead); 2938 2939 adapter->fhash.fhead = NULL; 2940 adapter->fhash.fmax = 0; 2941 2942 if (adapter->rx_fhash.fmax) 2943 kfree(adapter->rx_fhash.fhead); 2944 2945 adapter->rx_fhash.fmax = 0; 2946 adapter->rx_fhash.fhead = NULL; 2947 } 2948 2949 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2950 { 2951 struct net_device *netdev = adapter->netdev; 2952 u32 temp_state, temp_val, temp = 0; 2953 int rv = 0; 2954 2955 if (qlcnic_83xx_check(adapter)) 2956 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2957 2958 if (qlcnic_82xx_check(adapter)) 2959 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2960 2961 temp_state = qlcnic_get_temp_state(temp); 2962 temp_val = qlcnic_get_temp_val(temp); 2963 2964 if (temp_state == QLCNIC_TEMP_PANIC) { 2965 dev_err(&netdev->dev, 2966 "Device temperature %d degrees C exceeds" 2967 " maximum allowed. Hardware has been shut down.\n", 2968 temp_val); 2969 rv = 1; 2970 } else if (temp_state == QLCNIC_TEMP_WARN) { 2971 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2972 dev_err(&netdev->dev, 2973 "Device temperature %d degrees C " 2974 "exceeds operating range." 2975 " Immediate action needed.\n", 2976 temp_val); 2977 } 2978 } else { 2979 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2980 dev_info(&netdev->dev, 2981 "Device temperature is now %d degrees C" 2982 " in normal range.\n", temp_val); 2983 } 2984 } 2985 adapter->ahw->temp = temp_state; 2986 return rv; 2987 } 2988 2989 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2990 { 2991 int i; 2992 struct cmd_desc_type0 *tx_desc_info; 2993 2994 for (i = 0; i < tx_ring->num_desc; i++) { 2995 tx_desc_info = &tx_ring->desc_head[i]; 2996 pr_info("TX Desc: %d\n", i); 2997 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2998 &tx_ring->desc_head[i], 2999 sizeof(struct cmd_desc_type0), true); 3000 } 3001 } 3002 3003 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3004 { 3005 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3006 struct net_device *netdev = adapter->netdev; 3007 struct qlcnic_host_rds_ring *rds_ring; 3008 struct qlcnic_host_sds_ring *sds_ring; 3009 struct qlcnic_host_tx_ring *tx_ring; 3010 int ring; 3011 3012 if (!netdev || !netif_running(netdev)) 3013 return; 3014 3015 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3016 rds_ring = &recv_ctx->rds_rings[ring]; 3017 if (!rds_ring) 3018 continue; 3019 netdev_info(netdev, 3020 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3021 ring, readl(rds_ring->crb_rcv_producer), 3022 rds_ring->producer, rds_ring->num_desc); 3023 } 3024 3025 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3026 sds_ring = &(recv_ctx->sds_rings[ring]); 3027 if (!sds_ring) 3028 continue; 3029 netdev_info(netdev, 3030 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3031 ring, readl(sds_ring->crb_sts_consumer), 3032 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3033 sds_ring->num_desc); 3034 } 3035 3036 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3037 tx_ring = &adapter->tx_ring[ring]; 3038 if (!tx_ring) 3039 continue; 3040 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3041 ring, tx_ring->ctx_id); 3042 netdev_info(netdev, 3043 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3044 tx_ring->tx_stats.xmit_finished, 3045 tx_ring->tx_stats.xmit_called, 3046 tx_ring->tx_stats.xmit_on, 3047 tx_ring->tx_stats.xmit_off); 3048 3049 if (tx_ring->crb_intr_mask) 3050 netdev_info(netdev, "crb_intr_mask=%d\n", 3051 readl(tx_ring->crb_intr_mask)); 3052 3053 netdev_info(netdev, 3054 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3055 readl(tx_ring->crb_cmd_producer), 3056 tx_ring->producer, tx_ring->sw_consumer, 3057 le32_to_cpu(*(tx_ring->hw_consumer))); 3058 3059 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3060 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3061 3062 if (netif_msg_tx_err(adapter->ahw)) 3063 dump_tx_ring_desc(tx_ring); 3064 } 3065 3066 } 3067 3068 static void qlcnic_tx_timeout(struct net_device *netdev) 3069 { 3070 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3071 3072 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3073 return; 3074 3075 qlcnic_dump_rings(adapter); 3076 3077 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3078 netif_msg_tx_err(adapter->ahw)) { 3079 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3080 if (qlcnic_82xx_check(adapter)) 3081 adapter->need_fw_reset = 1; 3082 else if (qlcnic_83xx_check(adapter)) 3083 qlcnic_83xx_idc_request_reset(adapter, 3084 QLCNIC_FORCE_FW_DUMP_KEY); 3085 } else { 3086 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3087 adapter->ahw->reset_context = 1; 3088 } 3089 } 3090 3091 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3092 { 3093 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3094 struct net_device_stats *stats = &netdev->stats; 3095 3096 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3097 qlcnic_update_stats(adapter); 3098 3099 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3100 stats->tx_packets = adapter->stats.xmitfinished; 3101 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3102 stats->tx_bytes = adapter->stats.txbytes; 3103 stats->rx_dropped = adapter->stats.rxdropped; 3104 stats->tx_dropped = adapter->stats.txdropped; 3105 3106 return stats; 3107 } 3108 3109 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3110 { 3111 u32 status; 3112 3113 status = readl(adapter->isr_int_vec); 3114 3115 if (!(status & adapter->ahw->int_vec_bit)) 3116 return IRQ_NONE; 3117 3118 /* check interrupt state machine, to be sure */ 3119 status = readl(adapter->crb_int_state_reg); 3120 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3121 return IRQ_NONE; 3122 3123 writel(0xffffffff, adapter->tgt_status_reg); 3124 /* read twice to ensure write is flushed */ 3125 readl(adapter->isr_int_vec); 3126 readl(adapter->isr_int_vec); 3127 3128 return IRQ_HANDLED; 3129 } 3130 3131 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3132 { 3133 struct qlcnic_host_sds_ring *sds_ring = data; 3134 struct qlcnic_adapter *adapter = sds_ring->adapter; 3135 3136 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3137 goto done; 3138 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3139 writel(0xffffffff, adapter->tgt_status_reg); 3140 goto done; 3141 } 3142 3143 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3144 return IRQ_NONE; 3145 3146 done: 3147 adapter->ahw->diag_cnt++; 3148 qlcnic_enable_sds_intr(adapter, sds_ring); 3149 return IRQ_HANDLED; 3150 } 3151 3152 static irqreturn_t qlcnic_intr(int irq, void *data) 3153 { 3154 struct qlcnic_host_sds_ring *sds_ring = data; 3155 struct qlcnic_adapter *adapter = sds_ring->adapter; 3156 3157 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3158 return IRQ_NONE; 3159 3160 napi_schedule(&sds_ring->napi); 3161 3162 return IRQ_HANDLED; 3163 } 3164 3165 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3166 { 3167 struct qlcnic_host_sds_ring *sds_ring = data; 3168 struct qlcnic_adapter *adapter = sds_ring->adapter; 3169 3170 /* clear interrupt */ 3171 writel(0xffffffff, adapter->tgt_status_reg); 3172 3173 napi_schedule(&sds_ring->napi); 3174 return IRQ_HANDLED; 3175 } 3176 3177 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3178 { 3179 struct qlcnic_host_sds_ring *sds_ring = data; 3180 3181 napi_schedule(&sds_ring->napi); 3182 return IRQ_HANDLED; 3183 } 3184 3185 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3186 { 3187 struct qlcnic_host_tx_ring *tx_ring = data; 3188 3189 napi_schedule(&tx_ring->napi); 3190 return IRQ_HANDLED; 3191 } 3192 3193 #ifdef CONFIG_NET_POLL_CONTROLLER 3194 static void qlcnic_poll_controller(struct net_device *netdev) 3195 { 3196 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3197 struct qlcnic_host_sds_ring *sds_ring; 3198 struct qlcnic_recv_context *recv_ctx; 3199 struct qlcnic_host_tx_ring *tx_ring; 3200 int ring; 3201 3202 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3203 return; 3204 3205 recv_ctx = adapter->recv_ctx; 3206 3207 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3208 sds_ring = &recv_ctx->sds_rings[ring]; 3209 qlcnic_disable_sds_intr(adapter, sds_ring); 3210 napi_schedule(&sds_ring->napi); 3211 } 3212 3213 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3214 /* Only Multi-Tx queue capable devices need to 3215 * schedule NAPI for TX rings 3216 */ 3217 if ((qlcnic_83xx_check(adapter) && 3218 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3219 (qlcnic_82xx_check(adapter) && 3220 !qlcnic_check_multi_tx(adapter))) 3221 return; 3222 3223 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3224 tx_ring = &adapter->tx_ring[ring]; 3225 qlcnic_disable_tx_intr(adapter, tx_ring); 3226 napi_schedule(&tx_ring->napi); 3227 } 3228 } 3229 } 3230 #endif 3231 3232 static void 3233 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3234 { 3235 u32 val; 3236 3237 val = adapter->portnum & 0xf; 3238 val |= encoding << 7; 3239 val |= (jiffies - adapter->dev_rst_time) << 8; 3240 3241 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3242 adapter->dev_rst_time = jiffies; 3243 } 3244 3245 static int 3246 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3247 { 3248 u32 val; 3249 3250 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3251 state != QLCNIC_DEV_NEED_QUISCENT); 3252 3253 if (qlcnic_api_lock(adapter)) 3254 return -EIO; 3255 3256 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3257 3258 if (state == QLCNIC_DEV_NEED_RESET) 3259 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3260 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3261 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3262 3263 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3264 3265 qlcnic_api_unlock(adapter); 3266 3267 return 0; 3268 } 3269 3270 static int 3271 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3272 { 3273 u32 val; 3274 3275 if (qlcnic_api_lock(adapter)) 3276 return -EBUSY; 3277 3278 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3279 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3281 3282 qlcnic_api_unlock(adapter); 3283 3284 return 0; 3285 } 3286 3287 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3288 { 3289 u32 val; 3290 3291 if (qlcnic_api_lock(adapter)) 3292 goto err; 3293 3294 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3295 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3296 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3297 3298 if (failed) { 3299 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3300 QLCNIC_DEV_FAILED); 3301 dev_info(&adapter->pdev->dev, 3302 "Device state set to Failed. Please Reboot\n"); 3303 } else if (!(val & 0x11111111)) 3304 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3305 QLCNIC_DEV_COLD); 3306 3307 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3308 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3309 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3310 3311 qlcnic_api_unlock(adapter); 3312 err: 3313 adapter->fw_fail_cnt = 0; 3314 adapter->flags &= ~QLCNIC_FW_HANG; 3315 clear_bit(__QLCNIC_START_FW, &adapter->state); 3316 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3317 } 3318 3319 /* Grab api lock, before checking state */ 3320 static int 3321 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3322 { 3323 int act, state, active_mask; 3324 struct qlcnic_hardware_context *ahw = adapter->ahw; 3325 3326 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3327 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3328 3329 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3330 active_mask = (~(1 << (ahw->pci_func * 4))); 3331 act = act & active_mask; 3332 } 3333 3334 if (((state & 0x11111111) == (act & 0x11111111)) || 3335 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3336 return 0; 3337 else 3338 return 1; 3339 } 3340 3341 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3342 { 3343 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3344 3345 if (val != QLCNIC_DRV_IDC_VER) { 3346 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3347 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3348 } 3349 3350 return 0; 3351 } 3352 3353 static int 3354 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3355 { 3356 u32 val, prev_state; 3357 u8 dev_init_timeo = adapter->dev_init_timeo; 3358 u8 portnum = adapter->portnum; 3359 u8 ret; 3360 3361 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3362 return 1; 3363 3364 if (qlcnic_api_lock(adapter)) 3365 return -1; 3366 3367 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3368 if (!(val & (1 << (portnum * 4)))) { 3369 QLC_DEV_SET_REF_CNT(val, portnum); 3370 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3371 } 3372 3373 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3374 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3375 3376 switch (prev_state) { 3377 case QLCNIC_DEV_COLD: 3378 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3379 QLCNIC_DEV_INITIALIZING); 3380 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3381 QLCNIC_DRV_IDC_VER); 3382 qlcnic_idc_debug_info(adapter, 0); 3383 qlcnic_api_unlock(adapter); 3384 return 1; 3385 3386 case QLCNIC_DEV_READY: 3387 ret = qlcnic_check_idc_ver(adapter); 3388 qlcnic_api_unlock(adapter); 3389 return ret; 3390 3391 case QLCNIC_DEV_NEED_RESET: 3392 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3393 QLC_DEV_SET_RST_RDY(val, portnum); 3394 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3395 break; 3396 3397 case QLCNIC_DEV_NEED_QUISCENT: 3398 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3399 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3400 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3401 break; 3402 3403 case QLCNIC_DEV_FAILED: 3404 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3405 qlcnic_api_unlock(adapter); 3406 return -1; 3407 3408 case QLCNIC_DEV_INITIALIZING: 3409 case QLCNIC_DEV_QUISCENT: 3410 break; 3411 } 3412 3413 qlcnic_api_unlock(adapter); 3414 3415 do { 3416 msleep(1000); 3417 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3418 3419 if (prev_state == QLCNIC_DEV_QUISCENT) 3420 continue; 3421 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3422 3423 if (!dev_init_timeo) { 3424 dev_err(&adapter->pdev->dev, 3425 "Waiting for device to initialize timeout\n"); 3426 return -1; 3427 } 3428 3429 if (qlcnic_api_lock(adapter)) 3430 return -1; 3431 3432 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3433 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3434 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3435 3436 ret = qlcnic_check_idc_ver(adapter); 3437 qlcnic_api_unlock(adapter); 3438 3439 return ret; 3440 } 3441 3442 static void 3443 qlcnic_fwinit_work(struct work_struct *work) 3444 { 3445 struct qlcnic_adapter *adapter = container_of(work, 3446 struct qlcnic_adapter, fw_work.work); 3447 u32 dev_state = 0xf; 3448 u32 val; 3449 3450 if (qlcnic_api_lock(adapter)) 3451 goto err_ret; 3452 3453 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3454 if (dev_state == QLCNIC_DEV_QUISCENT || 3455 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3456 qlcnic_api_unlock(adapter); 3457 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3458 FW_POLL_DELAY * 2); 3459 return; 3460 } 3461 3462 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3463 qlcnic_api_unlock(adapter); 3464 goto wait_npar; 3465 } 3466 3467 if (dev_state == QLCNIC_DEV_INITIALIZING || 3468 dev_state == QLCNIC_DEV_READY) { 3469 dev_info(&adapter->pdev->dev, "Detected state change from " 3470 "DEV_NEED_RESET, skipping ack check\n"); 3471 goto skip_ack_check; 3472 } 3473 3474 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3475 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3476 adapter->reset_ack_timeo); 3477 goto skip_ack_check; 3478 } 3479 3480 if (!qlcnic_check_drv_state(adapter)) { 3481 skip_ack_check: 3482 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3483 3484 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3485 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3486 QLCNIC_DEV_INITIALIZING); 3487 set_bit(__QLCNIC_START_FW, &adapter->state); 3488 QLCDB(adapter, DRV, "Restarting fw\n"); 3489 qlcnic_idc_debug_info(adapter, 0); 3490 val = QLC_SHARED_REG_RD32(adapter, 3491 QLCNIC_CRB_DRV_STATE); 3492 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3493 QLC_SHARED_REG_WR32(adapter, 3494 QLCNIC_CRB_DRV_STATE, val); 3495 } 3496 3497 qlcnic_api_unlock(adapter); 3498 3499 rtnl_lock(); 3500 if (qlcnic_check_fw_dump_state(adapter) && 3501 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3502 QLCDB(adapter, DRV, "Take FW dump\n"); 3503 qlcnic_dump_fw(adapter); 3504 adapter->flags |= QLCNIC_FW_HANG; 3505 } 3506 rtnl_unlock(); 3507 3508 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3509 if (!adapter->nic_ops->start_firmware(adapter)) { 3510 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3511 adapter->fw_wait_cnt = 0; 3512 return; 3513 } 3514 goto err_ret; 3515 } 3516 3517 qlcnic_api_unlock(adapter); 3518 3519 wait_npar: 3520 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3521 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3522 3523 switch (dev_state) { 3524 case QLCNIC_DEV_READY: 3525 if (!qlcnic_start_firmware(adapter)) { 3526 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3527 adapter->fw_wait_cnt = 0; 3528 return; 3529 } 3530 case QLCNIC_DEV_FAILED: 3531 break; 3532 default: 3533 qlcnic_schedule_work(adapter, 3534 qlcnic_fwinit_work, FW_POLL_DELAY); 3535 return; 3536 } 3537 3538 err_ret: 3539 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3540 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3541 netif_device_attach(adapter->netdev); 3542 qlcnic_clr_all_drv_state(adapter, 0); 3543 } 3544 3545 static void 3546 qlcnic_detach_work(struct work_struct *work) 3547 { 3548 struct qlcnic_adapter *adapter = container_of(work, 3549 struct qlcnic_adapter, fw_work.work); 3550 struct net_device *netdev = adapter->netdev; 3551 u32 status; 3552 3553 netif_device_detach(netdev); 3554 3555 /* Dont grab rtnl lock during Quiscent mode */ 3556 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3557 if (netif_running(netdev)) 3558 __qlcnic_down(adapter, netdev); 3559 } else 3560 qlcnic_down(adapter, netdev); 3561 3562 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3563 3564 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3565 dev_err(&adapter->pdev->dev, 3566 "Detaching the device: peg halt status1=0x%x\n", 3567 status); 3568 3569 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3570 dev_err(&adapter->pdev->dev, 3571 "On board active cooling fan failed. " 3572 "Device has been halted.\n"); 3573 dev_err(&adapter->pdev->dev, 3574 "Replace the adapter.\n"); 3575 } 3576 3577 goto err_ret; 3578 } 3579 3580 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3581 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3582 adapter->ahw->temp); 3583 goto err_ret; 3584 } 3585 3586 /* Dont ack if this instance is the reset owner */ 3587 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3588 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3589 dev_err(&adapter->pdev->dev, 3590 "Failed to set driver state," 3591 "detaching the device.\n"); 3592 goto err_ret; 3593 } 3594 } 3595 3596 adapter->fw_wait_cnt = 0; 3597 3598 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3599 3600 return; 3601 3602 err_ret: 3603 netif_device_attach(netdev); 3604 qlcnic_clr_all_drv_state(adapter, 1); 3605 } 3606 3607 /*Transit NPAR state to NON Operational */ 3608 static void 3609 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3610 { 3611 u32 state; 3612 3613 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3614 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3615 return; 3616 3617 if (qlcnic_api_lock(adapter)) 3618 return; 3619 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3620 QLCNIC_DEV_NPAR_NON_OPER); 3621 qlcnic_api_unlock(adapter); 3622 } 3623 3624 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3625 u32 key) 3626 { 3627 u32 state, xg_val = 0, gb_val = 0; 3628 3629 qlcnic_xg_set_xg0_mask(xg_val); 3630 qlcnic_xg_set_xg1_mask(xg_val); 3631 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3632 qlcnic_gb_set_gb0_mask(gb_val); 3633 qlcnic_gb_set_gb1_mask(gb_val); 3634 qlcnic_gb_set_gb2_mask(gb_val); 3635 qlcnic_gb_set_gb3_mask(gb_val); 3636 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3637 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3638 " on all ports\n"); 3639 adapter->need_fw_reset = 1; 3640 3641 if (qlcnic_api_lock(adapter)) 3642 return; 3643 3644 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3645 3646 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3647 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3648 __func__); 3649 qlcnic_api_unlock(adapter); 3650 3651 return; 3652 } 3653 3654 if (state == QLCNIC_DEV_READY) { 3655 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3656 QLCNIC_DEV_NEED_RESET); 3657 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3658 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3659 qlcnic_idc_debug_info(adapter, 0); 3660 } 3661 3662 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3663 QLCNIC_DEV_NPAR_NON_OPER); 3664 qlcnic_api_unlock(adapter); 3665 } 3666 3667 /* Transit to NPAR READY state from NPAR NOT READY state */ 3668 static void 3669 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3670 { 3671 if (qlcnic_api_lock(adapter)) 3672 return; 3673 3674 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3675 QLCNIC_DEV_NPAR_OPER); 3676 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3677 3678 qlcnic_api_unlock(adapter); 3679 } 3680 3681 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3682 work_func_t func, int delay) 3683 { 3684 if (test_bit(__QLCNIC_AER, &adapter->state)) 3685 return; 3686 3687 INIT_DELAYED_WORK(&adapter->fw_work, func); 3688 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3689 round_jiffies_relative(delay)); 3690 } 3691 3692 static void 3693 qlcnic_attach_work(struct work_struct *work) 3694 { 3695 struct qlcnic_adapter *adapter = container_of(work, 3696 struct qlcnic_adapter, fw_work.work); 3697 struct net_device *netdev = adapter->netdev; 3698 u32 npar_state; 3699 3700 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3701 npar_state = QLC_SHARED_REG_RD32(adapter, 3702 QLCNIC_CRB_DEV_NPAR_STATE); 3703 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3704 qlcnic_clr_all_drv_state(adapter, 0); 3705 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3706 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3707 FW_POLL_DELAY); 3708 else 3709 goto attach; 3710 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3711 return; 3712 } 3713 attach: 3714 qlcnic_dcb_get_info(adapter->dcb); 3715 3716 if (netif_running(netdev)) { 3717 if (qlcnic_up(adapter, netdev)) 3718 goto done; 3719 3720 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3721 } 3722 3723 done: 3724 netif_device_attach(netdev); 3725 adapter->fw_fail_cnt = 0; 3726 adapter->flags &= ~QLCNIC_FW_HANG; 3727 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3728 if (adapter->portnum == 0) 3729 qlcnic_set_drv_version(adapter); 3730 3731 if (!qlcnic_clr_drv_state(adapter)) 3732 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3733 FW_POLL_DELAY); 3734 } 3735 3736 static int 3737 qlcnic_check_health(struct qlcnic_adapter *adapter) 3738 { 3739 struct qlcnic_hardware_context *ahw = adapter->ahw; 3740 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3741 u32 state = 0, heartbeat; 3742 u32 peg_status; 3743 int err = 0; 3744 3745 if (qlcnic_check_temp(adapter)) 3746 goto detach; 3747 3748 if (adapter->need_fw_reset) 3749 qlcnic_dev_request_reset(adapter, 0); 3750 3751 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3752 if (state == QLCNIC_DEV_NEED_RESET) { 3753 qlcnic_set_npar_non_operational(adapter); 3754 adapter->need_fw_reset = 1; 3755 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3756 goto detach; 3757 3758 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3759 if (heartbeat != adapter->heartbeat) { 3760 adapter->heartbeat = heartbeat; 3761 adapter->fw_fail_cnt = 0; 3762 if (adapter->need_fw_reset) 3763 goto detach; 3764 3765 if (ahw->reset_context && qlcnic_auto_fw_reset) 3766 qlcnic_reset_hw_context(adapter); 3767 3768 return 0; 3769 } 3770 3771 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3772 return 0; 3773 3774 adapter->flags |= QLCNIC_FW_HANG; 3775 3776 qlcnic_dev_request_reset(adapter, 0); 3777 3778 if (qlcnic_auto_fw_reset) 3779 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3780 3781 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3782 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3783 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3784 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3785 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3786 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3787 "PEG_NET_4_PC: 0x%x\n", 3788 peg_status, 3789 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3790 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3791 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3792 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3793 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3794 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3795 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3796 dev_err(&adapter->pdev->dev, 3797 "Firmware aborted with error code 0x00006700. " 3798 "Device is being reset.\n"); 3799 detach: 3800 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3801 QLCNIC_DEV_NEED_RESET; 3802 3803 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3804 &adapter->state)) { 3805 3806 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3807 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3808 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3809 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3810 qlcnic_dump_fw(adapter); 3811 } 3812 3813 return 1; 3814 } 3815 3816 void qlcnic_fw_poll_work(struct work_struct *work) 3817 { 3818 struct qlcnic_adapter *adapter = container_of(work, 3819 struct qlcnic_adapter, fw_work.work); 3820 3821 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3822 goto reschedule; 3823 3824 3825 if (qlcnic_check_health(adapter)) 3826 return; 3827 3828 if (adapter->fhash.fnum) 3829 qlcnic_prune_lb_filters(adapter); 3830 3831 reschedule: 3832 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3833 } 3834 3835 static int qlcnic_is_first_func(struct pci_dev *pdev) 3836 { 3837 struct pci_dev *oth_pdev; 3838 int val = pdev->devfn; 3839 3840 while (val-- > 0) { 3841 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3842 (pdev->bus), pdev->bus->number, 3843 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3844 if (!oth_pdev) 3845 continue; 3846 3847 if (oth_pdev->current_state != PCI_D3cold) { 3848 pci_dev_put(oth_pdev); 3849 return 0; 3850 } 3851 pci_dev_put(oth_pdev); 3852 } 3853 return 1; 3854 } 3855 3856 static int qlcnic_attach_func(struct pci_dev *pdev) 3857 { 3858 int err, first_func; 3859 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3860 struct net_device *netdev = adapter->netdev; 3861 3862 pdev->error_state = pci_channel_io_normal; 3863 3864 err = pci_enable_device(pdev); 3865 if (err) 3866 return err; 3867 3868 pci_set_master(pdev); 3869 pci_restore_state(pdev); 3870 3871 first_func = qlcnic_is_first_func(pdev); 3872 3873 if (qlcnic_api_lock(adapter)) 3874 return -EINVAL; 3875 3876 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3877 adapter->need_fw_reset = 1; 3878 set_bit(__QLCNIC_START_FW, &adapter->state); 3879 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3880 QLCNIC_DEV_INITIALIZING); 3881 QLCDB(adapter, DRV, "Restarting fw\n"); 3882 } 3883 qlcnic_api_unlock(adapter); 3884 3885 err = qlcnic_start_firmware(adapter); 3886 if (err) 3887 return err; 3888 3889 qlcnic_clr_drv_state(adapter); 3890 kfree(adapter->msix_entries); 3891 adapter->msix_entries = NULL; 3892 err = qlcnic_setup_intr(adapter); 3893 3894 if (err) { 3895 kfree(adapter->msix_entries); 3896 netdev_err(netdev, "failed to setup interrupt\n"); 3897 return err; 3898 } 3899 3900 if (netif_running(netdev)) { 3901 err = qlcnic_attach(adapter); 3902 if (err) { 3903 qlcnic_clr_all_drv_state(adapter, 1); 3904 clear_bit(__QLCNIC_AER, &adapter->state); 3905 netif_device_attach(netdev); 3906 return err; 3907 } 3908 3909 err = qlcnic_up(adapter, netdev); 3910 if (err) 3911 goto done; 3912 3913 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3914 } 3915 done: 3916 netif_device_attach(netdev); 3917 return err; 3918 } 3919 3920 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3921 pci_channel_state_t state) 3922 { 3923 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3924 struct net_device *netdev = adapter->netdev; 3925 3926 if (state == pci_channel_io_perm_failure) 3927 return PCI_ERS_RESULT_DISCONNECT; 3928 3929 if (state == pci_channel_io_normal) 3930 return PCI_ERS_RESULT_RECOVERED; 3931 3932 set_bit(__QLCNIC_AER, &adapter->state); 3933 netif_device_detach(netdev); 3934 3935 cancel_delayed_work_sync(&adapter->fw_work); 3936 3937 if (netif_running(netdev)) 3938 qlcnic_down(adapter, netdev); 3939 3940 qlcnic_detach(adapter); 3941 qlcnic_teardown_intr(adapter); 3942 3943 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3944 3945 pci_save_state(pdev); 3946 pci_disable_device(pdev); 3947 3948 return PCI_ERS_RESULT_NEED_RESET; 3949 } 3950 3951 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3952 { 3953 pci_ers_result_t res; 3954 3955 rtnl_lock(); 3956 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3957 PCI_ERS_RESULT_RECOVERED; 3958 rtnl_unlock(); 3959 3960 return res; 3961 } 3962 3963 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3964 { 3965 u32 state; 3966 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3967 3968 pci_cleanup_aer_uncorrect_error_status(pdev); 3969 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3970 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3971 &adapter->state)) 3972 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3973 FW_POLL_DELAY); 3974 } 3975 3976 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3977 pci_channel_state_t state) 3978 { 3979 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3980 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3981 3982 if (hw_ops->io_error_detected) { 3983 return hw_ops->io_error_detected(pdev, state); 3984 } else { 3985 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3986 return PCI_ERS_RESULT_DISCONNECT; 3987 } 3988 } 3989 3990 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3991 { 3992 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3993 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3994 3995 if (hw_ops->io_slot_reset) { 3996 return hw_ops->io_slot_reset(pdev); 3997 } else { 3998 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3999 return PCI_ERS_RESULT_DISCONNECT; 4000 } 4001 } 4002 4003 static void qlcnic_io_resume(struct pci_dev *pdev) 4004 { 4005 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4006 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 4007 4008 if (hw_ops->io_resume) 4009 hw_ops->io_resume(pdev); 4010 else 4011 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4012 } 4013 4014 4015 static int 4016 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4017 { 4018 int err; 4019 4020 err = qlcnic_can_start_firmware(adapter); 4021 if (err) 4022 return err; 4023 4024 err = qlcnic_check_npar_opertional(adapter); 4025 if (err) 4026 return err; 4027 4028 err = qlcnic_initialize_nic(adapter); 4029 if (err) 4030 return err; 4031 4032 qlcnic_check_options(adapter); 4033 4034 err = qlcnic_set_eswitch_port_config(adapter); 4035 if (err) 4036 return err; 4037 4038 adapter->need_fw_reset = 0; 4039 4040 return err; 4041 } 4042 4043 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4044 int queue_type) 4045 { 4046 struct net_device *netdev = adapter->netdev; 4047 u8 max_hw_rings = 0; 4048 char buf[8]; 4049 int cur_rings; 4050 4051 if (queue_type == QLCNIC_RX_QUEUE) { 4052 max_hw_rings = adapter->max_sds_rings; 4053 cur_rings = adapter->drv_sds_rings; 4054 strcpy(buf, "SDS"); 4055 } else if (queue_type == QLCNIC_TX_QUEUE) { 4056 max_hw_rings = adapter->max_tx_rings; 4057 cur_rings = adapter->drv_tx_rings; 4058 strcpy(buf, "Tx"); 4059 } 4060 4061 if (!is_power_of_2(ring_cnt)) { 4062 netdev_err(netdev, "%s rings value should be a power of 2\n", 4063 buf); 4064 return -EINVAL; 4065 } 4066 4067 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4068 !qlcnic_check_multi_tx(adapter)) { 4069 netdev_err(netdev, "No Multi Tx queue support\n"); 4070 return -EINVAL; 4071 } 4072 4073 if (ring_cnt > num_online_cpus()) { 4074 netdev_err(netdev, 4075 "%s value[%u] should not be higher than, number of online CPUs\n", 4076 buf, num_online_cpus()); 4077 return -EINVAL; 4078 } 4079 4080 return 0; 4081 } 4082 4083 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4084 { 4085 struct net_device *netdev = adapter->netdev; 4086 u8 tx_rings, rx_rings; 4087 int err; 4088 4089 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4090 return -EBUSY; 4091 4092 tx_rings = adapter->drv_tss_rings; 4093 rx_rings = adapter->drv_rss_rings; 4094 4095 netif_device_detach(netdev); 4096 4097 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4098 if (err) 4099 goto done; 4100 4101 if (netif_running(netdev)) 4102 __qlcnic_down(adapter, netdev); 4103 4104 qlcnic_detach(adapter); 4105 4106 if (qlcnic_83xx_check(adapter)) { 4107 qlcnic_83xx_free_mbx_intr(adapter); 4108 qlcnic_83xx_enable_mbx_poll(adapter); 4109 } 4110 4111 qlcnic_teardown_intr(adapter); 4112 4113 err = qlcnic_setup_intr(adapter); 4114 if (err) { 4115 kfree(adapter->msix_entries); 4116 netdev_err(netdev, "failed to setup interrupt\n"); 4117 return err; 4118 } 4119 4120 /* Check if we need to update real_num_{tx|rx}_queues because 4121 * qlcnic_setup_intr() may change Tx/Rx rings size 4122 */ 4123 if ((tx_rings != adapter->drv_tx_rings) || 4124 (rx_rings != adapter->drv_sds_rings)) { 4125 err = qlcnic_set_real_num_queues(adapter, 4126 adapter->drv_tx_rings, 4127 adapter->drv_sds_rings); 4128 if (err) 4129 goto done; 4130 } 4131 4132 if (qlcnic_83xx_check(adapter)) { 4133 qlcnic_83xx_initialize_nic(adapter, 1); 4134 err = qlcnic_83xx_setup_mbx_intr(adapter); 4135 qlcnic_83xx_disable_mbx_poll(adapter); 4136 if (err) { 4137 dev_err(&adapter->pdev->dev, 4138 "failed to setup mbx interrupt\n"); 4139 goto done; 4140 } 4141 } 4142 4143 if (netif_running(netdev)) { 4144 err = qlcnic_attach(adapter); 4145 if (err) 4146 goto done; 4147 err = __qlcnic_up(adapter, netdev); 4148 if (err) 4149 goto done; 4150 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4151 } 4152 done: 4153 netif_device_attach(netdev); 4154 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4155 return err; 4156 } 4157 4158 #ifdef CONFIG_INET 4159 4160 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4161 4162 static void 4163 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4164 struct net_device *dev, unsigned long event) 4165 { 4166 struct in_device *indev; 4167 4168 indev = in_dev_get(dev); 4169 if (!indev) 4170 return; 4171 4172 for_ifa(indev) { 4173 switch (event) { 4174 case NETDEV_UP: 4175 qlcnic_config_ipaddr(adapter, 4176 ifa->ifa_address, QLCNIC_IP_UP); 4177 break; 4178 case NETDEV_DOWN: 4179 qlcnic_config_ipaddr(adapter, 4180 ifa->ifa_address, QLCNIC_IP_DOWN); 4181 break; 4182 default: 4183 break; 4184 } 4185 } endfor_ifa(indev); 4186 4187 in_dev_put(indev); 4188 } 4189 4190 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4191 { 4192 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4193 struct net_device *dev; 4194 u16 vid; 4195 4196 qlcnic_config_indev_addr(adapter, netdev, event); 4197 4198 rcu_read_lock(); 4199 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4200 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4201 if (!dev) 4202 continue; 4203 qlcnic_config_indev_addr(adapter, dev, event); 4204 } 4205 rcu_read_unlock(); 4206 } 4207 4208 static int qlcnic_netdev_event(struct notifier_block *this, 4209 unsigned long event, void *ptr) 4210 { 4211 struct qlcnic_adapter *adapter; 4212 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4213 4214 recheck: 4215 if (dev == NULL) 4216 goto done; 4217 4218 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4219 dev = vlan_dev_real_dev(dev); 4220 goto recheck; 4221 } 4222 4223 if (!is_qlcnic_netdev(dev)) 4224 goto done; 4225 4226 adapter = netdev_priv(dev); 4227 4228 if (!adapter) 4229 goto done; 4230 4231 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4232 goto done; 4233 4234 qlcnic_config_indev_addr(adapter, dev, event); 4235 done: 4236 return NOTIFY_DONE; 4237 } 4238 4239 static int 4240 qlcnic_inetaddr_event(struct notifier_block *this, 4241 unsigned long event, void *ptr) 4242 { 4243 struct qlcnic_adapter *adapter; 4244 struct net_device *dev; 4245 4246 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4247 4248 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4249 4250 recheck: 4251 if (dev == NULL) 4252 goto done; 4253 4254 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4255 dev = vlan_dev_real_dev(dev); 4256 goto recheck; 4257 } 4258 4259 if (!is_qlcnic_netdev(dev)) 4260 goto done; 4261 4262 adapter = netdev_priv(dev); 4263 4264 if (!adapter) 4265 goto done; 4266 4267 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4268 goto done; 4269 4270 switch (event) { 4271 case NETDEV_UP: 4272 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4273 4274 break; 4275 case NETDEV_DOWN: 4276 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4277 4278 break; 4279 default: 4280 break; 4281 } 4282 4283 done: 4284 return NOTIFY_DONE; 4285 } 4286 4287 static struct notifier_block qlcnic_netdev_cb = { 4288 .notifier_call = qlcnic_netdev_event, 4289 }; 4290 4291 static struct notifier_block qlcnic_inetaddr_cb = { 4292 .notifier_call = qlcnic_inetaddr_event, 4293 }; 4294 #else 4295 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4296 { } 4297 #endif 4298 static const struct pci_error_handlers qlcnic_err_handler = { 4299 .error_detected = qlcnic_io_error_detected, 4300 .slot_reset = qlcnic_io_slot_reset, 4301 .resume = qlcnic_io_resume, 4302 }; 4303 4304 static struct pci_driver qlcnic_driver = { 4305 .name = qlcnic_driver_name, 4306 .id_table = qlcnic_pci_tbl, 4307 .probe = qlcnic_probe, 4308 .remove = qlcnic_remove, 4309 #ifdef CONFIG_PM 4310 .suspend = qlcnic_suspend, 4311 .resume = qlcnic_resume, 4312 #endif 4313 .shutdown = qlcnic_shutdown, 4314 .err_handler = &qlcnic_err_handler, 4315 #ifdef CONFIG_QLCNIC_SRIOV 4316 .sriov_configure = qlcnic_pci_sriov_configure, 4317 #endif 4318 4319 }; 4320 4321 static int __init qlcnic_init_module(void) 4322 { 4323 int ret; 4324 4325 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4326 4327 #ifdef CONFIG_INET 4328 register_netdevice_notifier(&qlcnic_netdev_cb); 4329 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4330 #endif 4331 4332 ret = pci_register_driver(&qlcnic_driver); 4333 if (ret) { 4334 #ifdef CONFIG_INET 4335 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4336 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4337 #endif 4338 } 4339 4340 return ret; 4341 } 4342 4343 module_init(qlcnic_init_module); 4344 4345 static void __exit qlcnic_exit_module(void) 4346 { 4347 pci_unregister_driver(&qlcnic_driver); 4348 4349 #ifdef CONFIG_INET 4350 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4351 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4352 #endif 4353 } 4354 4355 module_exit(qlcnic_exit_module); 4356