1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.h> 19 #include <linux/ipv6.h> 20 #include <linux/inetdevice.h> 21 #include <linux/aer.h> 22 #include <linux/log2.h> 23 #include <linux/pci.h> 24 #ifdef CONFIG_QLCNIC_VXLAN 25 #include <net/vxlan.h> 26 #endif 27 28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 29 MODULE_LICENSE("GPL"); 30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 32 33 char qlcnic_driver_name[] = "qlcnic"; 34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 36 37 static int qlcnic_mac_learn; 38 module_param(qlcnic_mac_learn, int, 0444); 39 MODULE_PARM_DESC(qlcnic_mac_learn, 40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 41 42 int qlcnic_use_msi = 1; 43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 44 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 45 46 int qlcnic_use_msi_x = 1; 47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 49 50 int qlcnic_auto_fw_reset = 1; 51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 53 54 int qlcnic_load_fw_file; 55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 57 58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 59 static void qlcnic_remove(struct pci_dev *pdev); 60 static int qlcnic_open(struct net_device *netdev); 61 static int qlcnic_close(struct net_device *netdev); 62 static void qlcnic_tx_timeout(struct net_device *netdev); 63 static void qlcnic_attach_work(struct work_struct *work); 64 static void qlcnic_fwinit_work(struct work_struct *work); 65 #ifdef CONFIG_NET_POLL_CONTROLLER 66 static void qlcnic_poll_controller(struct net_device *netdev); 67 #endif 68 69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 71 72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 73 static irqreturn_t qlcnic_intr(int irq, void *data); 74 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 75 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 77 78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 79 static int qlcnic_start_firmware(struct qlcnic_adapter *); 80 81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 86 87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 92 static void qlcnic_82xx_io_resume(struct pci_dev *); 93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 95 pci_channel_state_t); 96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 97 { 98 struct qlcnic_hardware_context *ahw = adapter->ahw; 99 100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 102 else 103 return 1; 104 } 105 106 /* PCI Device ID Table */ 107 #define ENTRY(device) \ 108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 110 111 static const struct pci_device_id qlcnic_pci_tbl[] = { 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 118 {0,} 119 }; 120 121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 122 123 124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 125 { 126 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 127 } 128 129 static const u32 msi_tgt_status[8] = { 130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 134 }; 135 136 static const u32 qlcnic_reg_tbl[] = { 137 0x1B20A8, /* PEG_HALT_STAT1 */ 138 0x1B20AC, /* PEG_HALT_STAT2 */ 139 0x1B20B0, /* FW_HEARTBEAT */ 140 0x1B2100, /* LOCK ID */ 141 0x1B2128, /* FW_CAPABILITIES */ 142 0x1B2138, /* drv active */ 143 0x1B2140, /* dev state */ 144 0x1B2144, /* drv state */ 145 0x1B2148, /* drv scratch */ 146 0x1B214C, /* dev partition info */ 147 0x1B2174, /* drv idc ver */ 148 0x1B2150, /* fw version major */ 149 0x1B2154, /* fw version minor */ 150 0x1B2158, /* fw version sub */ 151 0x1B219C, /* npar state */ 152 0x1B21FC, /* FW_IMG_VALID */ 153 0x1B2250, /* CMD_PEG_STATE */ 154 0x1B233C, /* RCV_PEG_STATE */ 155 0x1B23B4, /* ASIC TEMP */ 156 0x1B216C, /* FW api */ 157 0x1B2170, /* drv op mode */ 158 0x13C010, /* flash lock */ 159 0x13C014, /* flash unlock */ 160 }; 161 162 static const struct qlcnic_board_info qlcnic_boards[] = { 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE844X, 165 0x0, 166 0x0, 167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x24e, 172 "8300 Series Dual Port 10GbE Converged Network Adapter " 173 "(TCP/IP Networking)" }, 174 { PCI_VENDOR_ID_QLOGIC, 175 PCI_DEVICE_ID_QLOGIC_QLE834X, 176 PCI_VENDOR_ID_QLOGIC, 177 0x243, 178 "8300 Series Single Port 10GbE Converged Network Adapter " 179 "(TCP/IP Networking)" }, 180 { PCI_VENDOR_ID_QLOGIC, 181 PCI_DEVICE_ID_QLOGIC_QLE834X, 182 PCI_VENDOR_ID_QLOGIC, 183 0x24a, 184 "8300 Series Dual Port 10GbE Converged Network Adapter " 185 "(TCP/IP Networking)" }, 186 { PCI_VENDOR_ID_QLOGIC, 187 PCI_DEVICE_ID_QLOGIC_QLE834X, 188 PCI_VENDOR_ID_QLOGIC, 189 0x246, 190 "8300 Series Dual Port 10GbE Converged Network Adapter " 191 "(TCP/IP Networking)" }, 192 { PCI_VENDOR_ID_QLOGIC, 193 PCI_DEVICE_ID_QLOGIC_QLE834X, 194 PCI_VENDOR_ID_QLOGIC, 195 0x252, 196 "8300 Series Dual Port 10GbE Converged Network Adapter " 197 "(TCP/IP Networking)" }, 198 { PCI_VENDOR_ID_QLOGIC, 199 PCI_DEVICE_ID_QLOGIC_QLE834X, 200 PCI_VENDOR_ID_QLOGIC, 201 0x26e, 202 "8300 Series Dual Port 10GbE Converged Network Adapter " 203 "(TCP/IP Networking)" }, 204 { PCI_VENDOR_ID_QLOGIC, 205 PCI_DEVICE_ID_QLOGIC_QLE834X, 206 PCI_VENDOR_ID_QLOGIC, 207 0x260, 208 "8300 Series Dual Port 10GbE Converged Network Adapter " 209 "(TCP/IP Networking)" }, 210 { PCI_VENDOR_ID_QLOGIC, 211 PCI_DEVICE_ID_QLOGIC_QLE834X, 212 PCI_VENDOR_ID_QLOGIC, 213 0x266, 214 "8300 Series Single Port 10GbE Converged Network Adapter " 215 "(TCP/IP Networking)" }, 216 { PCI_VENDOR_ID_QLOGIC, 217 PCI_DEVICE_ID_QLOGIC_QLE834X, 218 PCI_VENDOR_ID_QLOGIC, 219 0x269, 220 "8300 Series Dual Port 10GbE Converged Network Adapter " 221 "(TCP/IP Networking)" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE834X, 224 PCI_VENDOR_ID_QLOGIC, 225 0x271, 226 "8300 Series Dual Port 10GbE Converged Network Adapter " 227 "(TCP/IP Networking)" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE834X, 230 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE8830, 233 0x0, 234 0x0, 235 "8830 Series 1/10GbE Controller" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x203, 240 "8200 Series Single Port 10GbE Converged Network Adapter" 241 "(TCP/IP Networking)" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 PCI_VENDOR_ID_QLOGIC, 245 0x207, 246 "8200 Series Dual Port 10GbE Converged Network Adapter" 247 "(TCP/IP Networking)" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20b, 252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20c, 257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 PCI_VENDOR_ID_QLOGIC, 261 0x20f, 262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 263 { PCI_VENDOR_ID_QLOGIC, 264 PCI_DEVICE_ID_QLOGIC_QLE824X, 265 0x103c, 0x3733, 266 "NC523SFP 10Gb 2-port Server Adapter" }, 267 { PCI_VENDOR_ID_QLOGIC, 268 PCI_DEVICE_ID_QLOGIC_QLE824X, 269 0x103c, 0x3346, 270 "CN1000Q Dual Port Converged Network Adapter" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 PCI_VENDOR_ID_QLOGIC, 274 0x210, 275 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 276 { PCI_VENDOR_ID_QLOGIC, 277 PCI_DEVICE_ID_QLOGIC_QLE824X, 278 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 279 }; 280 281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 282 283 static const 284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 285 286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 287 { 288 int size = sizeof(struct qlcnic_host_sds_ring) * count; 289 290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 291 292 return recv_ctx->sds_rings == NULL; 293 } 294 295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 296 { 297 kfree(recv_ctx->sds_rings); 298 recv_ctx->sds_rings = NULL; 299 } 300 301 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 302 { 303 struct net_device *netdev = adapter->netdev; 304 struct pci_dev *pdev = adapter->pdev; 305 u8 mac_addr[ETH_ALEN]; 306 int ret; 307 308 ret = qlcnic_get_mac_address(adapter, mac_addr, 309 adapter->ahw->pci_func); 310 if (ret) 311 return ret; 312 313 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 314 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 315 316 /* set station address */ 317 318 if (!is_valid_ether_addr(netdev->dev_addr)) 319 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 320 netdev->dev_addr); 321 322 return 0; 323 } 324 325 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 326 { 327 struct qlcnic_mac_vlan_list *cur; 328 struct list_head *head; 329 330 list_for_each(head, &adapter->mac_list) { 331 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 332 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 333 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 334 0, QLCNIC_MAC_DEL); 335 list_del(&cur->list); 336 kfree(cur); 337 return; 338 } 339 } 340 } 341 342 static int qlcnic_set_mac(struct net_device *netdev, void *p) 343 { 344 struct qlcnic_adapter *adapter = netdev_priv(netdev); 345 struct sockaddr *addr = p; 346 347 if (qlcnic_sriov_vf_check(adapter)) 348 return -EINVAL; 349 350 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 351 return -EOPNOTSUPP; 352 353 if (!is_valid_ether_addr(addr->sa_data)) 354 return -EINVAL; 355 356 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data)) 357 return 0; 358 359 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 360 netif_device_detach(netdev); 361 qlcnic_napi_disable(adapter); 362 } 363 364 qlcnic_delete_adapter_mac(adapter); 365 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 366 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 367 qlcnic_set_multi(adapter->netdev); 368 369 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 370 netif_device_attach(netdev); 371 qlcnic_napi_enable(adapter); 372 } 373 return 0; 374 } 375 376 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 377 struct net_device *netdev, 378 const unsigned char *addr, u16 vid) 379 { 380 struct qlcnic_adapter *adapter = netdev_priv(netdev); 381 int err = -EOPNOTSUPP; 382 383 if (!adapter->fdb_mac_learn) 384 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 385 386 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 387 qlcnic_sriov_check(adapter)) { 388 if (is_unicast_ether_addr(addr)) { 389 err = dev_uc_del(netdev, addr); 390 if (!err) 391 err = qlcnic_nic_del_mac(adapter, addr); 392 } else if (is_multicast_ether_addr(addr)) { 393 err = dev_mc_del(netdev, addr); 394 } else { 395 err = -EINVAL; 396 } 397 } 398 return err; 399 } 400 401 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 402 struct net_device *netdev, 403 const unsigned char *addr, u16 vid, u16 flags) 404 { 405 struct qlcnic_adapter *adapter = netdev_priv(netdev); 406 int err = 0; 407 408 if (!adapter->fdb_mac_learn) 409 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 410 411 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 412 !qlcnic_sriov_check(adapter)) { 413 pr_info("%s: FDB e-switch is not enabled\n", __func__); 414 return -EOPNOTSUPP; 415 } 416 417 if (ether_addr_equal(addr, adapter->mac_addr)) 418 return err; 419 420 if (is_unicast_ether_addr(addr)) { 421 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 422 err = dev_uc_add_excl(netdev, addr); 423 else 424 err = -ENOMEM; 425 } else if (is_multicast_ether_addr(addr)) { 426 err = dev_mc_add_excl(netdev, addr); 427 } else { 428 err = -EINVAL; 429 } 430 431 return err; 432 } 433 434 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 435 struct net_device *netdev, 436 struct net_device *filter_dev, int idx) 437 { 438 struct qlcnic_adapter *adapter = netdev_priv(netdev); 439 440 if (!adapter->fdb_mac_learn) 441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 442 443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 444 qlcnic_sriov_check(adapter)) 445 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 446 447 return idx; 448 } 449 450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 451 { 452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 453 usleep_range(10000, 11000); 454 455 if (!adapter->fw_work.work.func) 456 return; 457 458 cancel_delayed_work_sync(&adapter->fw_work); 459 } 460 461 static int qlcnic_get_phys_port_id(struct net_device *netdev, 462 struct netdev_phys_item_id *ppid) 463 { 464 struct qlcnic_adapter *adapter = netdev_priv(netdev); 465 struct qlcnic_hardware_context *ahw = adapter->ahw; 466 467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 468 return -EOPNOTSUPP; 469 470 ppid->id_len = sizeof(ahw->phys_port_id); 471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 472 473 return 0; 474 } 475 476 #ifdef CONFIG_QLCNIC_VXLAN 477 static void qlcnic_add_vxlan_port(struct net_device *netdev, 478 sa_family_t sa_family, __be16 port) 479 { 480 struct qlcnic_adapter *adapter = netdev_priv(netdev); 481 struct qlcnic_hardware_context *ahw = adapter->ahw; 482 483 /* Adapter supports only one VXLAN port. Use very first port 484 * for enabling offload 485 */ 486 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port) 487 return; 488 489 ahw->vxlan_port = ntohs(port); 490 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 491 } 492 493 static void qlcnic_del_vxlan_port(struct net_device *netdev, 494 sa_family_t sa_family, __be16 port) 495 { 496 struct qlcnic_adapter *adapter = netdev_priv(netdev); 497 struct qlcnic_hardware_context *ahw = adapter->ahw; 498 499 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port || 500 (ahw->vxlan_port != ntohs(port))) 501 return; 502 503 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 504 } 505 506 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 507 struct net_device *dev, 508 netdev_features_t features) 509 { 510 features = vlan_features_check(skb, features); 511 return vxlan_features_check(skb, features); 512 } 513 #endif 514 515 static const struct net_device_ops qlcnic_netdev_ops = { 516 .ndo_open = qlcnic_open, 517 .ndo_stop = qlcnic_close, 518 .ndo_start_xmit = qlcnic_xmit_frame, 519 .ndo_get_stats = qlcnic_get_stats, 520 .ndo_validate_addr = eth_validate_addr, 521 .ndo_set_rx_mode = qlcnic_set_multi, 522 .ndo_set_mac_address = qlcnic_set_mac, 523 .ndo_change_mtu = qlcnic_change_mtu, 524 .ndo_fix_features = qlcnic_fix_features, 525 .ndo_set_features = qlcnic_set_features, 526 .ndo_tx_timeout = qlcnic_tx_timeout, 527 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 528 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 529 .ndo_fdb_add = qlcnic_fdb_add, 530 .ndo_fdb_del = qlcnic_fdb_del, 531 .ndo_fdb_dump = qlcnic_fdb_dump, 532 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 533 #ifdef CONFIG_QLCNIC_VXLAN 534 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 535 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 536 .ndo_features_check = qlcnic_features_check, 537 #endif 538 #ifdef CONFIG_NET_POLL_CONTROLLER 539 .ndo_poll_controller = qlcnic_poll_controller, 540 #endif 541 #ifdef CONFIG_QLCNIC_SRIOV 542 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 543 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 544 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 545 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 546 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 547 #endif 548 }; 549 550 static const struct net_device_ops qlcnic_netdev_failed_ops = { 551 .ndo_open = qlcnic_open, 552 }; 553 554 static struct qlcnic_nic_template qlcnic_ops = { 555 .config_bridged_mode = qlcnic_config_bridged_mode, 556 .config_led = qlcnic_82xx_config_led, 557 .start_firmware = qlcnic_82xx_start_firmware, 558 .request_reset = qlcnic_82xx_dev_request_reset, 559 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 560 .napi_add = qlcnic_82xx_napi_add, 561 .napi_del = qlcnic_82xx_napi_del, 562 .config_ipaddr = qlcnic_82xx_config_ipaddr, 563 .shutdown = qlcnic_82xx_shutdown, 564 .resume = qlcnic_82xx_resume, 565 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 566 }; 567 568 struct qlcnic_nic_template qlcnic_vf_ops = { 569 .config_bridged_mode = qlcnicvf_config_bridged_mode, 570 .config_led = qlcnicvf_config_led, 571 .start_firmware = qlcnicvf_start_firmware 572 }; 573 574 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 575 .read_crb = qlcnic_82xx_read_crb, 576 .write_crb = qlcnic_82xx_write_crb, 577 .read_reg = qlcnic_82xx_hw_read_wx_2M, 578 .write_reg = qlcnic_82xx_hw_write_wx_2M, 579 .get_mac_address = qlcnic_82xx_get_mac_address, 580 .setup_intr = qlcnic_82xx_setup_intr, 581 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 582 .mbx_cmd = qlcnic_82xx_issue_cmd, 583 .get_func_no = qlcnic_82xx_get_func_no, 584 .api_lock = qlcnic_82xx_api_lock, 585 .api_unlock = qlcnic_82xx_api_unlock, 586 .add_sysfs = qlcnic_82xx_add_sysfs, 587 .remove_sysfs = qlcnic_82xx_remove_sysfs, 588 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 589 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 590 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 591 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 592 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 593 .setup_link_event = qlcnic_82xx_linkevent_request, 594 .get_nic_info = qlcnic_82xx_get_nic_info, 595 .get_pci_info = qlcnic_82xx_get_pci_info, 596 .set_nic_info = qlcnic_82xx_set_nic_info, 597 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 598 .napi_enable = qlcnic_82xx_napi_enable, 599 .napi_disable = qlcnic_82xx_napi_disable, 600 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 601 .config_rss = qlcnic_82xx_config_rss, 602 .config_hw_lro = qlcnic_82xx_config_hw_lro, 603 .config_loopback = qlcnic_82xx_set_lb_mode, 604 .clear_loopback = qlcnic_82xx_clear_lb_mode, 605 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 606 .change_l2_filter = qlcnic_82xx_change_filter, 607 .get_board_info = qlcnic_82xx_get_board_info, 608 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 609 .free_mac_list = qlcnic_82xx_free_mac_list, 610 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 611 .io_error_detected = qlcnic_82xx_io_error_detected, 612 .io_slot_reset = qlcnic_82xx_io_slot_reset, 613 .io_resume = qlcnic_82xx_io_resume, 614 .get_beacon_state = qlcnic_82xx_get_beacon_state, 615 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 616 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 617 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 618 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 619 .get_saved_state = qlcnic_82xx_get_saved_state, 620 .set_saved_state = qlcnic_82xx_set_saved_state, 621 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 622 .get_cap_size = qlcnic_82xx_get_cap_size, 623 .set_sys_info = qlcnic_82xx_set_sys_info, 624 .store_cap_mask = qlcnic_82xx_store_cap_mask, 625 }; 626 627 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 628 { 629 struct qlcnic_hardware_context *ahw = adapter->ahw; 630 631 if (qlcnic_82xx_check(adapter) && 632 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 633 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 634 return 0; 635 } else { 636 return 1; 637 } 638 } 639 640 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 641 int queue_type) 642 { 643 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 644 645 if (queue_type == QLCNIC_RX_QUEUE) 646 max_rings = adapter->max_sds_rings; 647 else if (queue_type == QLCNIC_TX_QUEUE) 648 max_rings = adapter->max_tx_rings; 649 650 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 651 max_rings)); 652 653 if (ring_cnt > num_rings) 654 return num_rings; 655 else 656 return ring_cnt; 657 } 658 659 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 660 { 661 /* 83xx adapter does not have max_tx_rings intialized in probe */ 662 if (adapter->max_tx_rings) 663 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 664 QLCNIC_TX_QUEUE); 665 else 666 adapter->drv_tx_rings = tx_cnt; 667 } 668 669 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 670 { 671 /* 83xx adapter does not have max_sds_rings intialized in probe */ 672 if (adapter->max_sds_rings) 673 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 674 QLCNIC_RX_QUEUE); 675 else 676 adapter->drv_sds_rings = rx_cnt; 677 } 678 679 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 680 { 681 struct pci_dev *pdev = adapter->pdev; 682 int num_msix = 0, err = 0, vector; 683 684 adapter->flags &= ~QLCNIC_TSS_RSS; 685 686 if (adapter->drv_tss_rings > 0) 687 num_msix += adapter->drv_tss_rings; 688 else 689 num_msix += adapter->drv_tx_rings; 690 691 if (adapter->drv_rss_rings > 0) 692 num_msix += adapter->drv_rss_rings; 693 else 694 num_msix += adapter->drv_sds_rings; 695 696 if (qlcnic_83xx_check(adapter)) 697 num_msix += 1; 698 699 if (!adapter->msix_entries) { 700 adapter->msix_entries = kcalloc(num_msix, 701 sizeof(struct msix_entry), 702 GFP_KERNEL); 703 if (!adapter->msix_entries) 704 return -ENOMEM; 705 } 706 707 for (vector = 0; vector < num_msix; vector++) 708 adapter->msix_entries[vector].entry = vector; 709 710 restore: 711 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 712 if (err == -ENOSPC) { 713 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 714 return err; 715 716 netdev_info(adapter->netdev, 717 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 718 num_msix, err); 719 720 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 721 722 /* Set rings to 0 so we can restore original TSS/RSS count */ 723 adapter->drv_tss_rings = 0; 724 adapter->drv_rss_rings = 0; 725 726 if (qlcnic_83xx_check(adapter)) 727 num_msix += 1; 728 729 netdev_info(adapter->netdev, 730 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 731 adapter->drv_tx_rings, adapter->drv_sds_rings, 732 num_msix); 733 734 goto restore; 735 } else if (err < 0) { 736 return err; 737 } 738 739 adapter->ahw->num_msix = num_msix; 740 if (adapter->drv_tss_rings > 0) 741 adapter->drv_tx_rings = adapter->drv_tss_rings; 742 743 if (adapter->drv_rss_rings > 0) 744 adapter->drv_sds_rings = adapter->drv_rss_rings; 745 746 return 0; 747 } 748 749 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 750 { 751 struct pci_dev *pdev = adapter->pdev; 752 int err, vector; 753 754 if (!adapter->msix_entries) { 755 adapter->msix_entries = kcalloc(num_msix, 756 sizeof(struct msix_entry), 757 GFP_KERNEL); 758 if (!adapter->msix_entries) 759 return -ENOMEM; 760 } 761 762 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 763 764 if (adapter->ahw->msix_supported) { 765 enable_msix: 766 for (vector = 0; vector < num_msix; vector++) 767 adapter->msix_entries[vector].entry = vector; 768 769 err = pci_enable_msix_range(pdev, 770 adapter->msix_entries, 1, num_msix); 771 772 if (err == num_msix) { 773 adapter->flags |= QLCNIC_MSIX_ENABLED; 774 adapter->ahw->num_msix = num_msix; 775 dev_info(&pdev->dev, "using msi-x interrupts\n"); 776 return 0; 777 } else if (err > 0) { 778 pci_disable_msix(pdev); 779 780 dev_info(&pdev->dev, 781 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 782 num_msix, err); 783 784 if (qlcnic_82xx_check(adapter)) { 785 num_msix = rounddown_pow_of_two(err); 786 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 787 return -ENOSPC; 788 } else { 789 num_msix = rounddown_pow_of_two(err - 1); 790 num_msix += 1; 791 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 792 return -ENOSPC; 793 } 794 795 if (qlcnic_82xx_check(adapter) && 796 !qlcnic_check_multi_tx(adapter)) { 797 adapter->drv_sds_rings = num_msix; 798 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 799 } else { 800 /* Distribute vectors equally */ 801 adapter->drv_tx_rings = num_msix / 2; 802 adapter->drv_sds_rings = adapter->drv_tx_rings; 803 } 804 805 if (num_msix) { 806 dev_info(&pdev->dev, 807 "Trying to allocate %d MSI-X interrupt vectors\n", 808 num_msix); 809 goto enable_msix; 810 } 811 } else { 812 dev_info(&pdev->dev, 813 "Unable to allocate %d MSI-X vectors, err=%d\n", 814 num_msix, err); 815 return err; 816 } 817 } 818 819 return -EIO; 820 } 821 822 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 823 { 824 int num_msix; 825 826 num_msix = adapter->drv_sds_rings; 827 828 if (qlcnic_check_multi_tx(adapter)) 829 num_msix += adapter->drv_tx_rings; 830 else 831 num_msix += QLCNIC_SINGLE_RING; 832 833 return num_msix; 834 } 835 836 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 837 { 838 int err = 0; 839 u32 offset, mask_reg; 840 const struct qlcnic_legacy_intr_set *legacy_intrp; 841 struct qlcnic_hardware_context *ahw = adapter->ahw; 842 struct pci_dev *pdev = adapter->pdev; 843 844 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 845 adapter->flags |= QLCNIC_MSI_ENABLED; 846 offset = msi_tgt_status[adapter->ahw->pci_func]; 847 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 848 offset); 849 dev_info(&pdev->dev, "using msi interrupts\n"); 850 adapter->msix_entries[0].vector = pdev->irq; 851 return err; 852 } 853 854 if (qlcnic_use_msi || qlcnic_use_msi_x) 855 return -EOPNOTSUPP; 856 857 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 858 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 859 offset = legacy_intrp->tgt_status_reg; 860 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 861 mask_reg = legacy_intrp->tgt_mask_reg; 862 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 863 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 864 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 865 dev_info(&pdev->dev, "using legacy interrupts\n"); 866 adapter->msix_entries[0].vector = pdev->irq; 867 return err; 868 } 869 870 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 871 { 872 int num_msix, err = 0; 873 874 if (adapter->flags & QLCNIC_TSS_RSS) { 875 err = qlcnic_setup_tss_rss_intr(adapter); 876 if (err < 0) 877 return err; 878 num_msix = adapter->ahw->num_msix; 879 } else { 880 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 881 882 err = qlcnic_enable_msix(adapter, num_msix); 883 if (err == -ENOMEM) 884 return err; 885 886 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 887 qlcnic_disable_multi_tx(adapter); 888 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 889 890 err = qlcnic_enable_msi_legacy(adapter); 891 if (err) 892 return err; 893 } 894 } 895 896 return 0; 897 } 898 899 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 900 { 901 struct qlcnic_hardware_context *ahw = adapter->ahw; 902 int err, i; 903 904 if (qlcnic_check_multi_tx(adapter) && 905 !ahw->diag_test && 906 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 907 ahw->intr_tbl = vzalloc(ahw->num_msix * 908 sizeof(struct qlcnic_intrpt_config)); 909 if (!ahw->intr_tbl) 910 return -ENOMEM; 911 912 for (i = 0; i < ahw->num_msix; i++) { 913 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 914 ahw->intr_tbl[i].id = i; 915 ahw->intr_tbl[i].src = 0; 916 } 917 918 err = qlcnic_82xx_config_intrpt(adapter, 1); 919 if (err) 920 dev_err(&adapter->pdev->dev, 921 "Failed to configure Interrupt for %d vector\n", 922 ahw->num_msix); 923 return err; 924 } 925 926 return 0; 927 } 928 929 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 930 { 931 if (adapter->flags & QLCNIC_MSIX_ENABLED) 932 pci_disable_msix(adapter->pdev); 933 if (adapter->flags & QLCNIC_MSI_ENABLED) 934 pci_disable_msi(adapter->pdev); 935 936 kfree(adapter->msix_entries); 937 adapter->msix_entries = NULL; 938 939 if (adapter->ahw->intr_tbl) { 940 vfree(adapter->ahw->intr_tbl); 941 adapter->ahw->intr_tbl = NULL; 942 } 943 } 944 945 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 946 { 947 if (ahw->pci_base0 != NULL) 948 iounmap(ahw->pci_base0); 949 } 950 951 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 952 { 953 struct qlcnic_hardware_context *ahw = adapter->ahw; 954 struct qlcnic_pci_info *pci_info; 955 int ret; 956 957 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 958 switch (ahw->port_type) { 959 case QLCNIC_GBE: 960 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 961 break; 962 case QLCNIC_XGBE: 963 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 964 break; 965 } 966 return 0; 967 } 968 969 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 970 return 0; 971 972 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 973 if (!pci_info) 974 return -ENOMEM; 975 976 ret = qlcnic_get_pci_info(adapter, pci_info); 977 kfree(pci_info); 978 return ret; 979 } 980 981 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 982 { 983 bool ret = false; 984 985 if (qlcnic_84xx_check(adapter)) { 986 ret = true; 987 } else if (qlcnic_83xx_check(adapter)) { 988 if (adapter->ahw->extra_capability[0] & 989 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 990 ret = true; 991 else 992 ret = false; 993 } 994 995 return ret; 996 } 997 998 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 999 { 1000 struct qlcnic_hardware_context *ahw = adapter->ahw; 1001 struct qlcnic_pci_info *pci_info; 1002 int i, id = 0, ret = 0, j = 0; 1003 u16 act_pci_func; 1004 u8 pfn; 1005 1006 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1007 if (!pci_info) 1008 return -ENOMEM; 1009 1010 ret = qlcnic_get_pci_info(adapter, pci_info); 1011 if (ret) 1012 goto err_pci_info; 1013 1014 act_pci_func = ahw->total_nic_func; 1015 1016 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1017 act_pci_func, GFP_KERNEL); 1018 if (!adapter->npars) { 1019 ret = -ENOMEM; 1020 goto err_pci_info; 1021 } 1022 1023 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1024 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1025 if (!adapter->eswitch) { 1026 ret = -ENOMEM; 1027 goto err_npars; 1028 } 1029 1030 for (i = 0; i < ahw->max_vnic_func; i++) { 1031 pfn = pci_info[i].id; 1032 1033 if (pfn >= ahw->max_vnic_func) { 1034 ret = -EINVAL; 1035 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1036 __func__, pfn, ahw->max_vnic_func); 1037 goto err_eswitch; 1038 } 1039 1040 if (!pci_info[i].active || 1041 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1042 continue; 1043 1044 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1045 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1046 &id)) 1047 adapter->npars[j].eswitch_status = true; 1048 else 1049 continue; 1050 } else { 1051 adapter->npars[j].eswitch_status = true; 1052 } 1053 1054 adapter->npars[j].pci_func = pfn; 1055 adapter->npars[j].active = (u8)pci_info[i].active; 1056 adapter->npars[j].type = (u8)pci_info[i].type; 1057 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1058 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1059 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1060 1061 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1062 j++; 1063 } 1064 1065 /* Update eSwitch status for adapters without per port eSwitch 1066 * configuration capability 1067 */ 1068 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1069 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1070 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1071 } 1072 1073 kfree(pci_info); 1074 return 0; 1075 1076 err_eswitch: 1077 kfree(adapter->eswitch); 1078 adapter->eswitch = NULL; 1079 err_npars: 1080 kfree(adapter->npars); 1081 adapter->npars = NULL; 1082 err_pci_info: 1083 kfree(pci_info); 1084 1085 return ret; 1086 } 1087 1088 static int 1089 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1090 { 1091 u8 id; 1092 int ret; 1093 u32 data = QLCNIC_MGMT_FUNC; 1094 struct qlcnic_hardware_context *ahw = adapter->ahw; 1095 1096 ret = qlcnic_api_lock(adapter); 1097 if (ret) 1098 goto err_lock; 1099 1100 id = ahw->pci_func; 1101 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1102 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1103 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1104 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1105 qlcnic_api_unlock(adapter); 1106 err_lock: 1107 return ret; 1108 } 1109 1110 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1111 const struct pci_device_id *ent) 1112 { 1113 u32 op_mode, priv_level; 1114 1115 /* Determine FW API version */ 1116 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1117 QLCNIC_FW_API); 1118 1119 /* Find PCI function number */ 1120 qlcnic_get_func_no(adapter); 1121 1122 /* Determine function privilege level */ 1123 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1124 if (op_mode == QLC_DEV_DRV_DEFAULT) 1125 priv_level = QLCNIC_MGMT_FUNC; 1126 else 1127 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1128 1129 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1130 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1131 dev_info(&adapter->pdev->dev, 1132 "HAL Version: %d Non Privileged function\n", 1133 adapter->ahw->fw_hal_version); 1134 adapter->nic_ops = &qlcnic_vf_ops; 1135 } else 1136 adapter->nic_ops = &qlcnic_ops; 1137 } 1138 1139 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1140 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1141 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1142 { 1143 switch (dev_id) { 1144 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1145 *bar = QLCNIC_82XX_BAR0_LENGTH; 1146 break; 1147 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1148 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1149 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1150 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1151 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1152 *bar = QLCNIC_83XX_BAR0_LENGTH; 1153 break; 1154 default: 1155 *bar = 0; 1156 } 1157 } 1158 1159 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1160 struct qlcnic_hardware_context *ahw) 1161 { 1162 u32 offset; 1163 void __iomem *mem_ptr0 = NULL; 1164 unsigned long mem_len, pci_len0 = 0, bar0_len; 1165 1166 /* remap phys address */ 1167 mem_len = pci_resource_len(pdev, 0); 1168 1169 qlcnic_get_bar_length(pdev->device, &bar0_len); 1170 if (mem_len >= bar0_len) { 1171 1172 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1173 if (mem_ptr0 == NULL) { 1174 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1175 return -EIO; 1176 } 1177 pci_len0 = mem_len; 1178 } else { 1179 return -EIO; 1180 } 1181 1182 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1183 1184 ahw->pci_base0 = mem_ptr0; 1185 ahw->pci_len0 = pci_len0; 1186 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1187 qlcnic_get_ioaddr(ahw, offset); 1188 1189 return 0; 1190 } 1191 1192 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1193 int index) 1194 { 1195 struct pci_dev *pdev = adapter->pdev; 1196 unsigned short subsystem_vendor; 1197 bool ret = true; 1198 1199 subsystem_vendor = pdev->subsystem_vendor; 1200 1201 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1202 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1203 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1204 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1205 ret = true; 1206 else 1207 ret = false; 1208 } 1209 1210 return ret; 1211 } 1212 1213 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1214 { 1215 struct pci_dev *pdev = adapter->pdev; 1216 int i, found = 0; 1217 1218 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1219 if (qlcnic_boards[i].vendor == pdev->vendor && 1220 qlcnic_boards[i].device == pdev->device && 1221 qlcnic_validate_subsystem_id(adapter, i)) { 1222 found = 1; 1223 break; 1224 } 1225 } 1226 1227 if (!found) 1228 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1229 else 1230 sprintf(name, "%pM: %s" , adapter->mac_addr, 1231 qlcnic_boards[i].short_name); 1232 } 1233 1234 static void 1235 qlcnic_check_options(struct qlcnic_adapter *adapter) 1236 { 1237 int err; 1238 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1239 struct pci_dev *pdev = adapter->pdev; 1240 struct qlcnic_hardware_context *ahw = adapter->ahw; 1241 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1242 1243 prev_fw_version = adapter->fw_version; 1244 1245 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1246 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1247 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1248 1249 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1250 1251 err = qlcnic_get_board_info(adapter); 1252 if (err) { 1253 dev_err(&pdev->dev, "Error getting board config info.\n"); 1254 return; 1255 } 1256 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1257 if (fw_dump->tmpl_hdr == NULL || 1258 adapter->fw_version > prev_fw_version) { 1259 vfree(fw_dump->tmpl_hdr); 1260 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1261 dev_info(&pdev->dev, 1262 "Supports FW dump capability\n"); 1263 } 1264 } 1265 1266 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1267 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1268 1269 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1270 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1271 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1272 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1273 } else { 1274 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1275 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1276 } 1277 1278 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1279 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1280 1281 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1283 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1284 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1286 } 1287 1288 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1289 1290 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1291 1292 adapter->max_rds_rings = MAX_RDS_RINGS; 1293 } 1294 1295 static int 1296 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1297 { 1298 struct qlcnic_info nic_info; 1299 int err = 0; 1300 1301 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1302 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1303 if (err) 1304 return err; 1305 1306 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1307 adapter->ahw->switch_mode = nic_info.switch_mode; 1308 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1309 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1310 adapter->ahw->capabilities = nic_info.capabilities; 1311 1312 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1313 u32 temp; 1314 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1315 if (err == -EIO) 1316 return err; 1317 adapter->ahw->extra_capability[0] = temp; 1318 } else { 1319 adapter->ahw->extra_capability[0] = 0; 1320 } 1321 1322 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1323 adapter->ahw->max_mtu = nic_info.max_mtu; 1324 1325 if (adapter->ahw->capabilities & BIT_6) { 1326 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1327 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1328 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1329 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1330 1331 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1332 } else { 1333 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1334 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1335 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1336 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1337 } 1338 1339 return err; 1340 } 1341 1342 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1343 struct qlcnic_esw_func_cfg *esw_cfg) 1344 { 1345 if (esw_cfg->discard_tagged) 1346 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1347 else 1348 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1349 1350 if (esw_cfg->vlan_id) { 1351 adapter->rx_pvid = esw_cfg->vlan_id; 1352 adapter->tx_pvid = esw_cfg->vlan_id; 1353 } else { 1354 adapter->rx_pvid = 0; 1355 adapter->tx_pvid = 0; 1356 } 1357 } 1358 1359 static int 1360 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1361 { 1362 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1363 int err; 1364 1365 if (qlcnic_sriov_vf_check(adapter)) { 1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1367 if (err) { 1368 netdev_err(netdev, 1369 "Cannot add VLAN filter for VLAN id %d, err=%d", 1370 vid, err); 1371 return err; 1372 } 1373 } 1374 1375 set_bit(vid, adapter->vlans); 1376 return 0; 1377 } 1378 1379 static int 1380 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1381 { 1382 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1383 int err; 1384 1385 if (qlcnic_sriov_vf_check(adapter)) { 1386 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1387 if (err) { 1388 netdev_err(netdev, 1389 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1390 vid, err); 1391 return err; 1392 } 1393 } 1394 1395 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1396 clear_bit(vid, adapter->vlans); 1397 return 0; 1398 } 1399 1400 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1401 struct qlcnic_esw_func_cfg *esw_cfg) 1402 { 1403 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1404 QLCNIC_PROMISC_DISABLED); 1405 1406 if (esw_cfg->mac_anti_spoof) 1407 adapter->flags |= QLCNIC_MACSPOOF; 1408 1409 if (!esw_cfg->mac_override) 1410 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1411 1412 if (!esw_cfg->promisc_mode) 1413 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1414 } 1415 1416 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1417 { 1418 struct qlcnic_esw_func_cfg esw_cfg; 1419 1420 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1421 return 0; 1422 1423 esw_cfg.pci_func = adapter->ahw->pci_func; 1424 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1425 return -EIO; 1426 qlcnic_set_vlan_config(adapter, &esw_cfg); 1427 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1428 qlcnic_set_netdev_features(adapter, &esw_cfg); 1429 1430 return 0; 1431 } 1432 1433 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1434 struct qlcnic_esw_func_cfg *esw_cfg) 1435 { 1436 struct net_device *netdev = adapter->netdev; 1437 1438 if (qlcnic_83xx_check(adapter)) 1439 return; 1440 1441 adapter->offload_flags = esw_cfg->offload_flags; 1442 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1443 netdev_update_features(netdev); 1444 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1445 } 1446 1447 static int 1448 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1449 { 1450 u32 op_mode, priv_level; 1451 int err = 0; 1452 1453 err = qlcnic_initialize_nic(adapter); 1454 if (err) 1455 return err; 1456 1457 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1458 return 0; 1459 1460 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1461 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1462 1463 if (op_mode == QLC_DEV_DRV_DEFAULT) 1464 priv_level = QLCNIC_MGMT_FUNC; 1465 else 1466 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1467 1468 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1469 if (priv_level == QLCNIC_MGMT_FUNC) { 1470 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1471 err = qlcnic_init_pci_info(adapter); 1472 if (err) 1473 return err; 1474 /* Set privilege level for other functions */ 1475 qlcnic_set_function_modes(adapter); 1476 dev_info(&adapter->pdev->dev, 1477 "HAL Version: %d, Management function\n", 1478 adapter->ahw->fw_hal_version); 1479 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1480 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1481 dev_info(&adapter->pdev->dev, 1482 "HAL Version: %d, Privileged function\n", 1483 adapter->ahw->fw_hal_version); 1484 } 1485 } else { 1486 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1487 } 1488 1489 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1490 1491 return err; 1492 } 1493 1494 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1495 { 1496 struct qlcnic_esw_func_cfg esw_cfg; 1497 struct qlcnic_npar_info *npar; 1498 u8 i; 1499 1500 if (adapter->need_fw_reset) 1501 return 0; 1502 1503 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1504 if (!adapter->npars[i].eswitch_status) 1505 continue; 1506 1507 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1508 esw_cfg.pci_func = adapter->npars[i].pci_func; 1509 esw_cfg.mac_override = BIT_0; 1510 esw_cfg.promisc_mode = BIT_0; 1511 if (qlcnic_82xx_check(adapter)) { 1512 esw_cfg.offload_flags = BIT_0; 1513 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1514 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1515 } 1516 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1517 return -EIO; 1518 npar = &adapter->npars[i]; 1519 npar->pvid = esw_cfg.vlan_id; 1520 npar->mac_override = esw_cfg.mac_override; 1521 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1522 npar->discard_tagged = esw_cfg.discard_tagged; 1523 npar->promisc_mode = esw_cfg.promisc_mode; 1524 npar->offload_flags = esw_cfg.offload_flags; 1525 } 1526 1527 return 0; 1528 } 1529 1530 1531 static int 1532 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1533 struct qlcnic_npar_info *npar, int pci_func) 1534 { 1535 struct qlcnic_esw_func_cfg esw_cfg; 1536 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1537 esw_cfg.pci_func = pci_func; 1538 esw_cfg.vlan_id = npar->pvid; 1539 esw_cfg.mac_override = npar->mac_override; 1540 esw_cfg.discard_tagged = npar->discard_tagged; 1541 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1542 esw_cfg.offload_flags = npar->offload_flags; 1543 esw_cfg.promisc_mode = npar->promisc_mode; 1544 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1545 return -EIO; 1546 1547 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1548 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1549 return -EIO; 1550 1551 return 0; 1552 } 1553 1554 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1555 { 1556 int i, err; 1557 struct qlcnic_npar_info *npar; 1558 struct qlcnic_info nic_info; 1559 u8 pci_func; 1560 1561 if (qlcnic_82xx_check(adapter)) 1562 if (!adapter->need_fw_reset) 1563 return 0; 1564 1565 /* Set the NPAR config data after FW reset */ 1566 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1567 npar = &adapter->npars[i]; 1568 pci_func = npar->pci_func; 1569 if (!adapter->npars[i].eswitch_status) 1570 continue; 1571 1572 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1573 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1574 if (err) 1575 return err; 1576 nic_info.min_tx_bw = npar->min_bw; 1577 nic_info.max_tx_bw = npar->max_bw; 1578 err = qlcnic_set_nic_info(adapter, &nic_info); 1579 if (err) 1580 return err; 1581 1582 if (npar->enable_pm) { 1583 err = qlcnic_config_port_mirroring(adapter, 1584 npar->dest_npar, 1, 1585 pci_func); 1586 if (err) 1587 return err; 1588 } 1589 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1590 if (err) 1591 return err; 1592 } 1593 return 0; 1594 } 1595 1596 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1597 { 1598 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1599 u32 npar_state; 1600 1601 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1602 return 0; 1603 1604 npar_state = QLC_SHARED_REG_RD32(adapter, 1605 QLCNIC_CRB_DEV_NPAR_STATE); 1606 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1607 msleep(1000); 1608 npar_state = QLC_SHARED_REG_RD32(adapter, 1609 QLCNIC_CRB_DEV_NPAR_STATE); 1610 } 1611 if (!npar_opt_timeo) { 1612 dev_err(&adapter->pdev->dev, 1613 "Waiting for NPAR state to operational timeout\n"); 1614 return -EIO; 1615 } 1616 return 0; 1617 } 1618 1619 static int 1620 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1621 { 1622 int err; 1623 1624 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1625 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1626 return 0; 1627 1628 err = qlcnic_set_default_offload_settings(adapter); 1629 if (err) 1630 return err; 1631 1632 err = qlcnic_reset_npar_config(adapter); 1633 if (err) 1634 return err; 1635 1636 qlcnic_dev_set_npar_ready(adapter); 1637 1638 return err; 1639 } 1640 1641 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1642 { 1643 int err; 1644 1645 err = qlcnic_can_start_firmware(adapter); 1646 if (err < 0) 1647 return err; 1648 else if (!err) 1649 goto check_fw_status; 1650 1651 if (qlcnic_load_fw_file) 1652 qlcnic_request_firmware(adapter); 1653 else { 1654 err = qlcnic_check_flash_fw_ver(adapter); 1655 if (err) 1656 goto err_out; 1657 1658 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1659 } 1660 1661 err = qlcnic_need_fw_reset(adapter); 1662 if (err == 0) 1663 goto check_fw_status; 1664 1665 err = qlcnic_pinit_from_rom(adapter); 1666 if (err) 1667 goto err_out; 1668 1669 err = qlcnic_load_firmware(adapter); 1670 if (err) 1671 goto err_out; 1672 1673 qlcnic_release_firmware(adapter); 1674 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1675 1676 check_fw_status: 1677 err = qlcnic_check_fw_status(adapter); 1678 if (err) 1679 goto err_out; 1680 1681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1682 qlcnic_idc_debug_info(adapter, 1); 1683 err = qlcnic_check_eswitch_mode(adapter); 1684 if (err) { 1685 dev_err(&adapter->pdev->dev, 1686 "Memory allocation failed for eswitch\n"); 1687 goto err_out; 1688 } 1689 err = qlcnic_set_mgmt_operations(adapter); 1690 if (err) 1691 goto err_out; 1692 1693 qlcnic_check_options(adapter); 1694 adapter->need_fw_reset = 0; 1695 1696 qlcnic_release_firmware(adapter); 1697 return 0; 1698 1699 err_out: 1700 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1701 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1702 1703 qlcnic_release_firmware(adapter); 1704 return err; 1705 } 1706 1707 static int 1708 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1709 { 1710 irq_handler_t handler; 1711 struct qlcnic_host_sds_ring *sds_ring; 1712 struct qlcnic_host_tx_ring *tx_ring; 1713 int err, ring, num_sds_rings; 1714 1715 unsigned long flags = 0; 1716 struct net_device *netdev = adapter->netdev; 1717 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1718 1719 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1720 if (qlcnic_82xx_check(adapter)) 1721 handler = qlcnic_tmp_intr; 1722 else 1723 handler = qlcnic_83xx_tmp_intr; 1724 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1725 flags |= IRQF_SHARED; 1726 1727 } else { 1728 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1729 handler = qlcnic_msix_intr; 1730 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1731 handler = qlcnic_msi_intr; 1732 else { 1733 flags |= IRQF_SHARED; 1734 if (qlcnic_82xx_check(adapter)) 1735 handler = qlcnic_intr; 1736 else 1737 handler = qlcnic_83xx_intr; 1738 } 1739 } 1740 adapter->irq = netdev->irq; 1741 1742 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1743 if (qlcnic_82xx_check(adapter) || 1744 (qlcnic_83xx_check(adapter) && 1745 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1746 num_sds_rings = adapter->drv_sds_rings; 1747 for (ring = 0; ring < num_sds_rings; ring++) { 1748 sds_ring = &recv_ctx->sds_rings[ring]; 1749 if (qlcnic_82xx_check(adapter) && 1750 !qlcnic_check_multi_tx(adapter) && 1751 (ring == (num_sds_rings - 1))) { 1752 if (!(adapter->flags & 1753 QLCNIC_MSIX_ENABLED)) 1754 snprintf(sds_ring->name, 1755 sizeof(sds_ring->name), 1756 "qlcnic"); 1757 else 1758 snprintf(sds_ring->name, 1759 sizeof(sds_ring->name), 1760 "%s-tx-0-rx-%d", 1761 netdev->name, ring); 1762 } else { 1763 snprintf(sds_ring->name, 1764 sizeof(sds_ring->name), 1765 "%s-rx-%d", 1766 netdev->name, ring); 1767 } 1768 err = request_irq(sds_ring->irq, handler, flags, 1769 sds_ring->name, sds_ring); 1770 if (err) 1771 return err; 1772 } 1773 } 1774 if ((qlcnic_82xx_check(adapter) && 1775 qlcnic_check_multi_tx(adapter)) || 1776 (qlcnic_83xx_check(adapter) && 1777 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1778 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1779 handler = qlcnic_msix_tx_intr; 1780 for (ring = 0; ring < adapter->drv_tx_rings; 1781 ring++) { 1782 tx_ring = &adapter->tx_ring[ring]; 1783 snprintf(tx_ring->name, sizeof(tx_ring->name), 1784 "%s-tx-%d", netdev->name, ring); 1785 err = request_irq(tx_ring->irq, handler, flags, 1786 tx_ring->name, tx_ring); 1787 if (err) 1788 return err; 1789 } 1790 } 1791 } 1792 return 0; 1793 } 1794 1795 static void 1796 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1797 { 1798 int ring; 1799 struct qlcnic_host_sds_ring *sds_ring; 1800 struct qlcnic_host_tx_ring *tx_ring; 1801 1802 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1803 1804 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1805 if (qlcnic_82xx_check(adapter) || 1806 (qlcnic_83xx_check(adapter) && 1807 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1808 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1809 sds_ring = &recv_ctx->sds_rings[ring]; 1810 free_irq(sds_ring->irq, sds_ring); 1811 } 1812 } 1813 if ((qlcnic_83xx_check(adapter) && 1814 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1815 (qlcnic_82xx_check(adapter) && 1816 qlcnic_check_multi_tx(adapter))) { 1817 for (ring = 0; ring < adapter->drv_tx_rings; 1818 ring++) { 1819 tx_ring = &adapter->tx_ring[ring]; 1820 if (tx_ring->irq) 1821 free_irq(tx_ring->irq, tx_ring); 1822 } 1823 } 1824 } 1825 } 1826 1827 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1828 { 1829 u32 capab = 0; 1830 1831 if (qlcnic_82xx_check(adapter)) { 1832 if (adapter->ahw->extra_capability[0] & 1833 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1834 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1835 } else { 1836 capab = adapter->ahw->capabilities; 1837 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1838 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1839 } 1840 } 1841 1842 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1843 { 1844 struct qlcnic_hardware_context *ahw = adapter->ahw; 1845 int err; 1846 1847 /* Initialize interrupt coalesce parameters */ 1848 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1849 1850 if (qlcnic_83xx_check(adapter)) { 1851 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1852 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1853 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1854 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1855 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1856 1857 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1858 } else { 1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1862 1863 err = qlcnic_82xx_set_rx_coalesce(adapter); 1864 } 1865 1866 return err; 1867 } 1868 1869 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1870 { 1871 int ring; 1872 struct qlcnic_host_rds_ring *rds_ring; 1873 1874 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1875 return -EIO; 1876 1877 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1878 return 0; 1879 1880 if (qlcnic_set_eswitch_port_config(adapter)) 1881 return -EIO; 1882 1883 qlcnic_get_lro_mss_capability(adapter); 1884 1885 if (qlcnic_fw_create_ctx(adapter)) 1886 return -EIO; 1887 1888 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1889 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1890 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1891 } 1892 1893 qlcnic_set_multi(netdev); 1894 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1895 1896 adapter->ahw->linkup = 0; 1897 1898 if (adapter->drv_sds_rings > 1) 1899 qlcnic_config_rss(adapter, 1); 1900 1901 qlcnic_config_def_intr_coalesce(adapter); 1902 1903 if (netdev->features & NETIF_F_LRO) 1904 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1905 1906 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1907 qlcnic_napi_enable(adapter); 1908 1909 qlcnic_linkevent_request(adapter, 1); 1910 1911 adapter->ahw->reset_context = 0; 1912 netif_tx_start_all_queues(netdev); 1913 return 0; 1914 } 1915 1916 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1917 { 1918 int err = 0; 1919 1920 rtnl_lock(); 1921 if (netif_running(netdev)) 1922 err = __qlcnic_up(adapter, netdev); 1923 rtnl_unlock(); 1924 1925 return err; 1926 } 1927 1928 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1929 { 1930 int ring; 1931 1932 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1933 return; 1934 1935 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1936 return; 1937 1938 smp_mb(); 1939 netif_carrier_off(netdev); 1940 adapter->ahw->linkup = 0; 1941 netif_tx_disable(netdev); 1942 1943 qlcnic_free_mac_list(adapter); 1944 1945 if (adapter->fhash.fnum) 1946 qlcnic_delete_lb_filters(adapter); 1947 1948 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1949 if (qlcnic_sriov_vf_check(adapter)) 1950 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1951 1952 qlcnic_napi_disable(adapter); 1953 1954 qlcnic_fw_destroy_ctx(adapter); 1955 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1956 1957 qlcnic_reset_rx_buffers_list(adapter); 1958 1959 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1960 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1961 } 1962 1963 /* Usage: During suspend and firmware recovery module */ 1964 1965 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1966 { 1967 rtnl_lock(); 1968 if (netif_running(netdev)) 1969 __qlcnic_down(adapter, netdev); 1970 rtnl_unlock(); 1971 1972 } 1973 1974 int 1975 qlcnic_attach(struct qlcnic_adapter *adapter) 1976 { 1977 struct net_device *netdev = adapter->netdev; 1978 struct pci_dev *pdev = adapter->pdev; 1979 int err; 1980 1981 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1982 return 0; 1983 1984 err = qlcnic_napi_add(adapter, netdev); 1985 if (err) 1986 return err; 1987 1988 err = qlcnic_alloc_sw_resources(adapter); 1989 if (err) { 1990 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1991 goto err_out_napi_del; 1992 } 1993 1994 err = qlcnic_alloc_hw_resources(adapter); 1995 if (err) { 1996 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1997 goto err_out_free_sw; 1998 } 1999 2000 err = qlcnic_request_irq(adapter); 2001 if (err) { 2002 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2003 goto err_out_free_hw; 2004 } 2005 2006 qlcnic_create_sysfs_entries(adapter); 2007 2008 #ifdef CONFIG_QLCNIC_VXLAN 2009 if (qlcnic_encap_rx_offload(adapter)) 2010 vxlan_get_rx_port(netdev); 2011 #endif 2012 2013 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2014 return 0; 2015 2016 err_out_free_hw: 2017 qlcnic_free_hw_resources(adapter); 2018 err_out_free_sw: 2019 qlcnic_free_sw_resources(adapter); 2020 err_out_napi_del: 2021 qlcnic_napi_del(adapter); 2022 return err; 2023 } 2024 2025 void qlcnic_detach(struct qlcnic_adapter *adapter) 2026 { 2027 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2028 return; 2029 2030 qlcnic_remove_sysfs_entries(adapter); 2031 2032 qlcnic_free_hw_resources(adapter); 2033 qlcnic_release_rx_buffers(adapter); 2034 qlcnic_free_irq(adapter); 2035 qlcnic_napi_del(adapter); 2036 qlcnic_free_sw_resources(adapter); 2037 2038 adapter->is_up = 0; 2039 } 2040 2041 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2042 { 2043 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2044 struct qlcnic_host_sds_ring *sds_ring; 2045 int drv_tx_rings = adapter->drv_tx_rings; 2046 int ring; 2047 2048 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2049 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2050 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2051 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2052 qlcnic_disable_sds_intr(adapter, sds_ring); 2053 } 2054 } 2055 2056 qlcnic_fw_destroy_ctx(adapter); 2057 2058 qlcnic_detach(adapter); 2059 2060 adapter->ahw->diag_test = 0; 2061 adapter->drv_sds_rings = drv_sds_rings; 2062 adapter->drv_tx_rings = drv_tx_rings; 2063 2064 if (qlcnic_attach(adapter)) 2065 goto out; 2066 2067 if (netif_running(netdev)) 2068 __qlcnic_up(adapter, netdev); 2069 out: 2070 netif_device_attach(netdev); 2071 } 2072 2073 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2074 { 2075 struct qlcnic_hardware_context *ahw = adapter->ahw; 2076 int err = 0; 2077 2078 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2079 GFP_KERNEL); 2080 if (!adapter->recv_ctx) { 2081 err = -ENOMEM; 2082 goto err_out; 2083 } 2084 2085 if (qlcnic_83xx_check(adapter)) { 2086 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2087 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2088 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2089 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2090 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2091 } else { 2092 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2093 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2094 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2095 } 2096 2097 /* clear stats */ 2098 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2099 err_out: 2100 return err; 2101 } 2102 2103 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2104 { 2105 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2106 2107 kfree(adapter->recv_ctx); 2108 adapter->recv_ctx = NULL; 2109 2110 if (fw_dump->tmpl_hdr) { 2111 vfree(fw_dump->tmpl_hdr); 2112 fw_dump->tmpl_hdr = NULL; 2113 } 2114 2115 if (fw_dump->dma_buffer) { 2116 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2117 fw_dump->dma_buffer, fw_dump->phys_addr); 2118 fw_dump->dma_buffer = NULL; 2119 } 2120 2121 kfree(adapter->ahw->reset.buff); 2122 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2123 } 2124 2125 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2126 { 2127 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2128 struct qlcnic_host_sds_ring *sds_ring; 2129 struct qlcnic_host_rds_ring *rds_ring; 2130 int ring; 2131 int ret; 2132 2133 netif_device_detach(netdev); 2134 2135 if (netif_running(netdev)) 2136 __qlcnic_down(adapter, netdev); 2137 2138 qlcnic_detach(adapter); 2139 2140 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2141 adapter->ahw->diag_test = test; 2142 adapter->ahw->linkup = 0; 2143 2144 ret = qlcnic_attach(adapter); 2145 if (ret) { 2146 netif_device_attach(netdev); 2147 return ret; 2148 } 2149 2150 ret = qlcnic_fw_create_ctx(adapter); 2151 if (ret) { 2152 qlcnic_detach(adapter); 2153 netif_device_attach(netdev); 2154 return ret; 2155 } 2156 2157 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2158 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2159 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2160 } 2161 2162 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2163 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2164 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2165 qlcnic_enable_sds_intr(adapter, sds_ring); 2166 } 2167 } 2168 2169 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2170 adapter->ahw->loopback_state = 0; 2171 qlcnic_linkevent_request(adapter, 1); 2172 } 2173 2174 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2175 2176 return 0; 2177 } 2178 2179 /* Reset context in hardware only */ 2180 static int 2181 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2182 { 2183 struct net_device *netdev = adapter->netdev; 2184 2185 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2186 return -EBUSY; 2187 2188 netif_device_detach(netdev); 2189 2190 qlcnic_down(adapter, netdev); 2191 2192 qlcnic_up(adapter, netdev); 2193 2194 netif_device_attach(netdev); 2195 2196 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2197 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2198 return 0; 2199 } 2200 2201 int 2202 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2203 { 2204 int err = 0; 2205 struct net_device *netdev = adapter->netdev; 2206 2207 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2208 return -EBUSY; 2209 2210 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2211 2212 netif_device_detach(netdev); 2213 2214 if (netif_running(netdev)) 2215 __qlcnic_down(adapter, netdev); 2216 2217 qlcnic_detach(adapter); 2218 2219 if (netif_running(netdev)) { 2220 err = qlcnic_attach(adapter); 2221 if (!err) { 2222 __qlcnic_up(adapter, netdev); 2223 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2224 } 2225 } 2226 2227 netif_device_attach(netdev); 2228 } 2229 2230 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2231 return err; 2232 } 2233 2234 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2235 { 2236 struct qlcnic_hardware_context *ahw = adapter->ahw; 2237 u16 act_pci_fn = ahw->total_nic_func; 2238 u16 count; 2239 2240 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2241 if (act_pci_fn <= 2) 2242 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2243 act_pci_fn; 2244 else 2245 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2246 act_pci_fn; 2247 ahw->max_uc_count = count; 2248 } 2249 2250 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2251 u8 tx_queues, u8 rx_queues) 2252 { 2253 struct net_device *netdev = adapter->netdev; 2254 int err = 0; 2255 2256 if (tx_queues) { 2257 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2258 if (err) { 2259 netdev_err(netdev, "failed to set %d Tx queues\n", 2260 tx_queues); 2261 return err; 2262 } 2263 } 2264 2265 if (rx_queues) { 2266 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2267 if (err) 2268 netdev_err(netdev, "failed to set %d Rx queues\n", 2269 rx_queues); 2270 } 2271 2272 return err; 2273 } 2274 2275 int 2276 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2277 int pci_using_dac) 2278 { 2279 int err; 2280 struct pci_dev *pdev = adapter->pdev; 2281 2282 adapter->rx_csum = 1; 2283 adapter->ahw->mc_enabled = 0; 2284 qlcnic_set_mac_filter_count(adapter); 2285 2286 netdev->netdev_ops = &qlcnic_netdev_ops; 2287 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2288 2289 qlcnic_change_mtu(netdev, netdev->mtu); 2290 2291 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2292 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2293 2294 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2295 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2296 NETIF_F_HW_VLAN_CTAG_RX); 2297 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2298 NETIF_F_IPV6_CSUM); 2299 2300 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2301 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2302 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2303 } 2304 2305 if (pci_using_dac) { 2306 netdev->features |= NETIF_F_HIGHDMA; 2307 netdev->vlan_features |= NETIF_F_HIGHDMA; 2308 } 2309 2310 if (qlcnic_vlan_tx_check(adapter)) 2311 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2312 2313 if (qlcnic_sriov_vf_check(adapter)) 2314 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2315 2316 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2317 netdev->features |= NETIF_F_LRO; 2318 2319 if (qlcnic_encap_tx_offload(adapter)) { 2320 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2321 2322 /* encapsulation Tx offload supported by Adapter */ 2323 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2324 NETIF_F_GSO_UDP_TUNNEL | 2325 NETIF_F_TSO | 2326 NETIF_F_TSO6; 2327 } 2328 2329 if (qlcnic_encap_rx_offload(adapter)) 2330 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2331 2332 netdev->hw_features = netdev->features; 2333 netdev->priv_flags |= IFF_UNICAST_FLT; 2334 netdev->irq = adapter->msix_entries[0].vector; 2335 2336 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2337 adapter->drv_sds_rings); 2338 if (err) 2339 return err; 2340 2341 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2342 2343 err = register_netdev(netdev); 2344 if (err) { 2345 dev_err(&pdev->dev, "failed to register net device\n"); 2346 return err; 2347 } 2348 2349 return 0; 2350 } 2351 2352 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2353 { 2354 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2355 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2356 *pci_using_dac = 1; 2357 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2358 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2359 *pci_using_dac = 0; 2360 else { 2361 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2362 return -EIO; 2363 } 2364 2365 return 0; 2366 } 2367 2368 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2369 { 2370 int ring; 2371 struct qlcnic_host_tx_ring *tx_ring; 2372 2373 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2374 tx_ring = &adapter->tx_ring[ring]; 2375 if (tx_ring) { 2376 vfree(tx_ring->cmd_buf_arr); 2377 tx_ring->cmd_buf_arr = NULL; 2378 } 2379 } 2380 kfree(adapter->tx_ring); 2381 } 2382 2383 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2384 struct net_device *netdev) 2385 { 2386 int ring, vector, index; 2387 struct qlcnic_host_tx_ring *tx_ring; 2388 struct qlcnic_cmd_buffer *cmd_buf_arr; 2389 2390 tx_ring = kcalloc(adapter->drv_tx_rings, 2391 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2392 if (tx_ring == NULL) 2393 return -ENOMEM; 2394 2395 adapter->tx_ring = tx_ring; 2396 2397 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2398 tx_ring = &adapter->tx_ring[ring]; 2399 tx_ring->num_desc = adapter->num_txd; 2400 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2401 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2402 if (cmd_buf_arr == NULL) { 2403 qlcnic_free_tx_rings(adapter); 2404 return -ENOMEM; 2405 } 2406 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2407 tx_ring->cmd_buf_arr = cmd_buf_arr; 2408 spin_lock_init(&tx_ring->tx_clean_lock); 2409 } 2410 2411 if (qlcnic_83xx_check(adapter) || 2412 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2413 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2414 tx_ring = &adapter->tx_ring[ring]; 2415 tx_ring->adapter = adapter; 2416 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2417 index = adapter->drv_sds_rings + ring; 2418 vector = adapter->msix_entries[index].vector; 2419 tx_ring->irq = vector; 2420 } 2421 } 2422 } 2423 2424 return 0; 2425 } 2426 2427 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2428 { 2429 struct qlcnic_hardware_context *ahw = adapter->ahw; 2430 u32 fw_cmd = 0; 2431 2432 if (qlcnic_82xx_check(adapter)) 2433 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2434 else if (qlcnic_83xx_check(adapter)) 2435 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2436 2437 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2438 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2439 } 2440 2441 /* Reset firmware API lock */ 2442 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2443 { 2444 qlcnic_api_lock(adapter); 2445 qlcnic_api_unlock(adapter); 2446 } 2447 2448 2449 static int 2450 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2451 { 2452 struct net_device *netdev = NULL; 2453 struct qlcnic_adapter *adapter = NULL; 2454 struct qlcnic_hardware_context *ahw; 2455 int err, pci_using_dac = -1; 2456 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2457 2458 err = pci_enable_device(pdev); 2459 if (err) 2460 return err; 2461 2462 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2463 err = -ENODEV; 2464 goto err_out_disable_pdev; 2465 } 2466 2467 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2468 if (err) 2469 goto err_out_disable_pdev; 2470 2471 err = pci_request_regions(pdev, qlcnic_driver_name); 2472 if (err) 2473 goto err_out_disable_pdev; 2474 2475 pci_set_master(pdev); 2476 pci_enable_pcie_error_reporting(pdev); 2477 2478 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2479 if (!ahw) { 2480 err = -ENOMEM; 2481 goto err_out_free_res; 2482 } 2483 2484 switch (ent->device) { 2485 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2486 ahw->hw_ops = &qlcnic_hw_ops; 2487 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2488 break; 2489 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2490 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2491 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2492 qlcnic_83xx_register_map(ahw); 2493 break; 2494 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2495 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2496 qlcnic_sriov_vf_register_map(ahw); 2497 break; 2498 default: 2499 goto err_out_free_hw_res; 2500 } 2501 2502 err = qlcnic_setup_pci_map(pdev, ahw); 2503 if (err) 2504 goto err_out_free_hw_res; 2505 2506 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2507 QLCNIC_MAX_TX_RINGS); 2508 if (!netdev) { 2509 err = -ENOMEM; 2510 goto err_out_iounmap; 2511 } 2512 2513 SET_NETDEV_DEV(netdev, &pdev->dev); 2514 2515 adapter = netdev_priv(netdev); 2516 adapter->netdev = netdev; 2517 adapter->pdev = pdev; 2518 adapter->ahw = ahw; 2519 2520 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2521 if (adapter->qlcnic_wq == NULL) { 2522 err = -ENOMEM; 2523 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2524 goto err_out_free_netdev; 2525 } 2526 2527 err = qlcnic_alloc_adapter_resources(adapter); 2528 if (err) 2529 goto err_out_free_wq; 2530 2531 adapter->dev_rst_time = jiffies; 2532 ahw->revision_id = pdev->revision; 2533 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2534 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2535 adapter->fdb_mac_learn = true; 2536 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2537 adapter->drv_mac_learn = true; 2538 2539 rwlock_init(&adapter->ahw->crb_lock); 2540 mutex_init(&adapter->ahw->mem_lock); 2541 2542 INIT_LIST_HEAD(&adapter->mac_list); 2543 2544 qlcnic_register_dcb(adapter); 2545 2546 if (qlcnic_82xx_check(adapter)) { 2547 qlcnic_check_vf(adapter, ent); 2548 adapter->portnum = adapter->ahw->pci_func; 2549 qlcnic_reset_api_lock(adapter); 2550 err = qlcnic_start_firmware(adapter); 2551 if (err) { 2552 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2553 "\t\tIf reboot doesn't help, try flashing the card\n"); 2554 goto err_out_maintenance_mode; 2555 } 2556 2557 /* compute and set default and max tx/sds rings */ 2558 if (adapter->ahw->msix_supported) { 2559 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2560 qlcnic_set_tx_ring_count(adapter, 2561 QLCNIC_SINGLE_RING); 2562 else 2563 qlcnic_set_tx_ring_count(adapter, 2564 QLCNIC_DEF_TX_RINGS); 2565 qlcnic_set_sds_ring_count(adapter, 2566 QLCNIC_DEF_SDS_RINGS); 2567 } else { 2568 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2569 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2570 } 2571 2572 err = qlcnic_setup_idc_param(adapter); 2573 if (err) 2574 goto err_out_free_hw; 2575 2576 adapter->flags |= QLCNIC_NEED_FLR; 2577 2578 } else if (qlcnic_83xx_check(adapter)) { 2579 qlcnic_83xx_check_vf(adapter, ent); 2580 adapter->portnum = adapter->ahw->pci_func; 2581 err = qlcnic_83xx_init(adapter, pci_using_dac); 2582 if (err) { 2583 switch (err) { 2584 case -ENOTRECOVERABLE: 2585 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2586 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2587 goto err_out_free_hw; 2588 case -ENOMEM: 2589 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2590 goto err_out_free_hw; 2591 case -EOPNOTSUPP: 2592 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2593 goto err_out_free_hw; 2594 default: 2595 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2596 goto err_out_maintenance_mode; 2597 } 2598 } 2599 2600 if (qlcnic_sriov_vf_check(adapter)) 2601 return 0; 2602 } else { 2603 dev_err(&pdev->dev, 2604 "%s: failed. Please Reboot\n", __func__); 2605 err = -ENODEV; 2606 goto err_out_free_hw; 2607 } 2608 2609 if (qlcnic_read_mac_addr(adapter)) 2610 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2611 2612 qlcnic_read_phys_port_id(adapter); 2613 2614 if (adapter->portnum == 0) { 2615 qlcnic_get_board_name(adapter, board_name); 2616 2617 pr_info("%s: %s Board Chip rev 0x%x\n", 2618 module_name(THIS_MODULE), 2619 board_name, adapter->ahw->revision_id); 2620 } 2621 2622 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2623 !!qlcnic_use_msi) 2624 dev_warn(&pdev->dev, 2625 "Device does not support MSI interrupts\n"); 2626 2627 if (qlcnic_82xx_check(adapter)) { 2628 qlcnic_dcb_enable(adapter->dcb); 2629 qlcnic_dcb_get_info(adapter->dcb); 2630 err = qlcnic_setup_intr(adapter); 2631 2632 if (err) { 2633 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2634 goto err_out_disable_msi; 2635 } 2636 } 2637 2638 err = qlcnic_get_act_pci_func(adapter); 2639 if (err) 2640 goto err_out_disable_mbx_intr; 2641 2642 if (adapter->portnum == 0) 2643 qlcnic_set_drv_version(adapter); 2644 2645 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2646 if (err) 2647 goto err_out_disable_mbx_intr; 2648 2649 pci_set_drvdata(pdev, adapter); 2650 2651 if (qlcnic_82xx_check(adapter)) 2652 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2653 FW_POLL_DELAY); 2654 2655 switch (adapter->ahw->port_type) { 2656 case QLCNIC_GBE: 2657 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2658 adapter->netdev->name); 2659 break; 2660 case QLCNIC_XGBE: 2661 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2662 adapter->netdev->name); 2663 break; 2664 } 2665 2666 if (adapter->drv_mac_learn) 2667 qlcnic_alloc_lb_filters_mem(adapter); 2668 2669 qlcnic_add_sysfs(adapter); 2670 qlcnic_register_hwmon_dev(adapter); 2671 return 0; 2672 2673 err_out_disable_mbx_intr: 2674 if (qlcnic_83xx_check(adapter)) 2675 qlcnic_83xx_free_mbx_intr(adapter); 2676 2677 err_out_disable_msi: 2678 qlcnic_teardown_intr(adapter); 2679 qlcnic_cancel_idc_work(adapter); 2680 qlcnic_clr_all_drv_state(adapter, 0); 2681 2682 err_out_free_hw: 2683 qlcnic_free_adapter_resources(adapter); 2684 2685 err_out_free_wq: 2686 destroy_workqueue(adapter->qlcnic_wq); 2687 2688 err_out_free_netdev: 2689 free_netdev(netdev); 2690 2691 err_out_iounmap: 2692 qlcnic_cleanup_pci_map(ahw); 2693 2694 err_out_free_hw_res: 2695 kfree(ahw); 2696 2697 err_out_free_res: 2698 pci_release_regions(pdev); 2699 2700 err_out_disable_pdev: 2701 pci_disable_device(pdev); 2702 return err; 2703 2704 err_out_maintenance_mode: 2705 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2706 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2707 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2708 ahw->port_type = QLCNIC_XGBE; 2709 2710 if (qlcnic_83xx_check(adapter)) 2711 adapter->tgt_status_reg = NULL; 2712 else 2713 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2714 2715 err = register_netdev(netdev); 2716 2717 if (err) { 2718 dev_err(&pdev->dev, "Failed to register net device\n"); 2719 qlcnic_clr_all_drv_state(adapter, 0); 2720 goto err_out_free_hw; 2721 } 2722 2723 pci_set_drvdata(pdev, adapter); 2724 qlcnic_add_sysfs(adapter); 2725 2726 return 0; 2727 } 2728 2729 static void qlcnic_remove(struct pci_dev *pdev) 2730 { 2731 struct qlcnic_adapter *adapter; 2732 struct net_device *netdev; 2733 struct qlcnic_hardware_context *ahw; 2734 2735 adapter = pci_get_drvdata(pdev); 2736 if (adapter == NULL) 2737 return; 2738 2739 netdev = adapter->netdev; 2740 2741 qlcnic_cancel_idc_work(adapter); 2742 qlcnic_sriov_pf_disable(adapter); 2743 ahw = adapter->ahw; 2744 2745 unregister_netdev(netdev); 2746 qlcnic_sriov_cleanup(adapter); 2747 2748 if (qlcnic_83xx_check(adapter)) { 2749 qlcnic_83xx_initialize_nic(adapter, 0); 2750 cancel_delayed_work_sync(&adapter->idc_aen_work); 2751 qlcnic_83xx_free_mbx_intr(adapter); 2752 qlcnic_83xx_detach_mailbox_work(adapter); 2753 qlcnic_83xx_free_mailbox(ahw->mailbox); 2754 kfree(ahw->fw_info); 2755 } 2756 2757 qlcnic_dcb_free(adapter->dcb); 2758 qlcnic_detach(adapter); 2759 kfree(adapter->npars); 2760 kfree(adapter->eswitch); 2761 2762 if (qlcnic_82xx_check(adapter)) 2763 qlcnic_clr_all_drv_state(adapter, 0); 2764 2765 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2766 2767 qlcnic_free_lb_filters_mem(adapter); 2768 2769 qlcnic_teardown_intr(adapter); 2770 2771 qlcnic_remove_sysfs(adapter); 2772 2773 qlcnic_unregister_hwmon_dev(adapter); 2774 2775 qlcnic_cleanup_pci_map(adapter->ahw); 2776 2777 qlcnic_release_firmware(adapter); 2778 2779 pci_disable_pcie_error_reporting(pdev); 2780 pci_release_regions(pdev); 2781 pci_disable_device(pdev); 2782 2783 if (adapter->qlcnic_wq) { 2784 destroy_workqueue(adapter->qlcnic_wq); 2785 adapter->qlcnic_wq = NULL; 2786 } 2787 2788 qlcnic_free_adapter_resources(adapter); 2789 kfree(ahw); 2790 free_netdev(netdev); 2791 } 2792 2793 static void qlcnic_shutdown(struct pci_dev *pdev) 2794 { 2795 if (__qlcnic_shutdown(pdev)) 2796 return; 2797 2798 pci_disable_device(pdev); 2799 } 2800 2801 #ifdef CONFIG_PM 2802 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2803 { 2804 int retval; 2805 2806 retval = __qlcnic_shutdown(pdev); 2807 if (retval) 2808 return retval; 2809 2810 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2811 return 0; 2812 } 2813 2814 static int qlcnic_resume(struct pci_dev *pdev) 2815 { 2816 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2817 int err; 2818 2819 err = pci_enable_device(pdev); 2820 if (err) 2821 return err; 2822 2823 pci_set_power_state(pdev, PCI_D0); 2824 pci_set_master(pdev); 2825 pci_restore_state(pdev); 2826 2827 return __qlcnic_resume(adapter); 2828 } 2829 #endif 2830 2831 static int qlcnic_open(struct net_device *netdev) 2832 { 2833 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2834 int err; 2835 2836 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2837 netdev_err(netdev, "%s: Device is in non-operational state\n", 2838 __func__); 2839 2840 return -EIO; 2841 } 2842 2843 netif_carrier_off(netdev); 2844 2845 err = qlcnic_attach(adapter); 2846 if (err) 2847 return err; 2848 2849 err = __qlcnic_up(adapter, netdev); 2850 if (err) 2851 qlcnic_detach(adapter); 2852 2853 return err; 2854 } 2855 2856 /* 2857 * qlcnic_close - Disables a network interface entry point 2858 */ 2859 static int qlcnic_close(struct net_device *netdev) 2860 { 2861 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2862 2863 __qlcnic_down(adapter, netdev); 2864 2865 return 0; 2866 } 2867 2868 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2869 2870 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2871 { 2872 void *head; 2873 int i; 2874 struct net_device *netdev = adapter->netdev; 2875 u32 filter_size = 0; 2876 u16 act_pci_func = 0; 2877 2878 if (adapter->fhash.fmax && adapter->fhash.fhead) 2879 return; 2880 2881 act_pci_func = adapter->ahw->total_nic_func; 2882 spin_lock_init(&adapter->mac_learn_lock); 2883 spin_lock_init(&adapter->rx_mac_learn_lock); 2884 2885 if (qlcnic_sriov_vf_check(adapter)) { 2886 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2887 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2888 } else if (qlcnic_82xx_check(adapter)) { 2889 filter_size = QLCNIC_LB_MAX_FILTERS; 2890 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2891 } else { 2892 filter_size = QLC_83XX_LB_MAX_FILTERS; 2893 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2894 } 2895 2896 head = kcalloc(adapter->fhash.fbucket_size, 2897 sizeof(struct hlist_head), GFP_ATOMIC); 2898 2899 if (!head) 2900 return; 2901 2902 adapter->fhash.fmax = (filter_size / act_pci_func); 2903 adapter->fhash.fhead = head; 2904 2905 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2906 act_pci_func, adapter->fhash.fmax); 2907 2908 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2909 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2910 2911 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2912 2913 head = kcalloc(adapter->rx_fhash.fbucket_size, 2914 sizeof(struct hlist_head), GFP_ATOMIC); 2915 2916 if (!head) 2917 return; 2918 2919 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2920 adapter->rx_fhash.fhead = head; 2921 2922 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2923 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2924 } 2925 2926 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2927 { 2928 if (adapter->fhash.fmax) 2929 kfree(adapter->fhash.fhead); 2930 2931 adapter->fhash.fhead = NULL; 2932 adapter->fhash.fmax = 0; 2933 2934 if (adapter->rx_fhash.fmax) 2935 kfree(adapter->rx_fhash.fhead); 2936 2937 adapter->rx_fhash.fmax = 0; 2938 adapter->rx_fhash.fhead = NULL; 2939 } 2940 2941 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2942 { 2943 struct net_device *netdev = adapter->netdev; 2944 u32 temp_state, temp_val, temp = 0; 2945 int rv = 0; 2946 2947 if (qlcnic_83xx_check(adapter)) 2948 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2949 2950 if (qlcnic_82xx_check(adapter)) 2951 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2952 2953 temp_state = qlcnic_get_temp_state(temp); 2954 temp_val = qlcnic_get_temp_val(temp); 2955 2956 if (temp_state == QLCNIC_TEMP_PANIC) { 2957 dev_err(&netdev->dev, 2958 "Device temperature %d degrees C exceeds" 2959 " maximum allowed. Hardware has been shut down.\n", 2960 temp_val); 2961 rv = 1; 2962 } else if (temp_state == QLCNIC_TEMP_WARN) { 2963 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2964 dev_err(&netdev->dev, 2965 "Device temperature %d degrees C " 2966 "exceeds operating range." 2967 " Immediate action needed.\n", 2968 temp_val); 2969 } 2970 } else { 2971 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2972 dev_info(&netdev->dev, 2973 "Device temperature is now %d degrees C" 2974 " in normal range.\n", temp_val); 2975 } 2976 } 2977 adapter->ahw->temp = temp_state; 2978 return rv; 2979 } 2980 2981 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2982 { 2983 int i; 2984 struct cmd_desc_type0 *tx_desc_info; 2985 2986 for (i = 0; i < tx_ring->num_desc; i++) { 2987 tx_desc_info = &tx_ring->desc_head[i]; 2988 pr_info("TX Desc: %d\n", i); 2989 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2990 &tx_ring->desc_head[i], 2991 sizeof(struct cmd_desc_type0), true); 2992 } 2993 } 2994 2995 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2996 { 2997 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2998 struct net_device *netdev = adapter->netdev; 2999 struct qlcnic_host_rds_ring *rds_ring; 3000 struct qlcnic_host_sds_ring *sds_ring; 3001 struct qlcnic_host_tx_ring *tx_ring; 3002 int ring; 3003 3004 if (!netdev || !netif_running(netdev)) 3005 return; 3006 3007 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3008 rds_ring = &recv_ctx->rds_rings[ring]; 3009 if (!rds_ring) 3010 continue; 3011 netdev_info(netdev, 3012 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3013 ring, readl(rds_ring->crb_rcv_producer), 3014 rds_ring->producer, rds_ring->num_desc); 3015 } 3016 3017 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3018 sds_ring = &(recv_ctx->sds_rings[ring]); 3019 if (!sds_ring) 3020 continue; 3021 netdev_info(netdev, 3022 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3023 ring, readl(sds_ring->crb_sts_consumer), 3024 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3025 sds_ring->num_desc); 3026 } 3027 3028 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3029 tx_ring = &adapter->tx_ring[ring]; 3030 if (!tx_ring) 3031 continue; 3032 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3033 ring, tx_ring->ctx_id); 3034 netdev_info(netdev, 3035 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3036 tx_ring->tx_stats.xmit_finished, 3037 tx_ring->tx_stats.xmit_called, 3038 tx_ring->tx_stats.xmit_on, 3039 tx_ring->tx_stats.xmit_off); 3040 3041 if (tx_ring->crb_intr_mask) 3042 netdev_info(netdev, "crb_intr_mask=%d\n", 3043 readl(tx_ring->crb_intr_mask)); 3044 3045 netdev_info(netdev, 3046 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3047 readl(tx_ring->crb_cmd_producer), 3048 tx_ring->producer, tx_ring->sw_consumer, 3049 le32_to_cpu(*(tx_ring->hw_consumer))); 3050 3051 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3052 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3053 3054 if (netif_msg_tx_err(adapter->ahw)) 3055 dump_tx_ring_desc(tx_ring); 3056 } 3057 3058 } 3059 3060 static void qlcnic_tx_timeout(struct net_device *netdev) 3061 { 3062 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3063 3064 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3065 return; 3066 3067 qlcnic_dump_rings(adapter); 3068 3069 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3070 netif_msg_tx_err(adapter->ahw)) { 3071 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3072 if (qlcnic_82xx_check(adapter)) 3073 adapter->need_fw_reset = 1; 3074 else if (qlcnic_83xx_check(adapter)) 3075 qlcnic_83xx_idc_request_reset(adapter, 3076 QLCNIC_FORCE_FW_DUMP_KEY); 3077 } else { 3078 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3079 adapter->ahw->reset_context = 1; 3080 } 3081 } 3082 3083 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3084 { 3085 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3086 struct net_device_stats *stats = &netdev->stats; 3087 3088 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3089 qlcnic_update_stats(adapter); 3090 3091 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3092 stats->tx_packets = adapter->stats.xmitfinished; 3093 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3094 stats->tx_bytes = adapter->stats.txbytes; 3095 stats->rx_dropped = adapter->stats.rxdropped; 3096 stats->tx_dropped = adapter->stats.txdropped; 3097 3098 return stats; 3099 } 3100 3101 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3102 { 3103 u32 status; 3104 3105 status = readl(adapter->isr_int_vec); 3106 3107 if (!(status & adapter->ahw->int_vec_bit)) 3108 return IRQ_NONE; 3109 3110 /* check interrupt state machine, to be sure */ 3111 status = readl(adapter->crb_int_state_reg); 3112 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3113 return IRQ_NONE; 3114 3115 writel(0xffffffff, adapter->tgt_status_reg); 3116 /* read twice to ensure write is flushed */ 3117 readl(adapter->isr_int_vec); 3118 readl(adapter->isr_int_vec); 3119 3120 return IRQ_HANDLED; 3121 } 3122 3123 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3124 { 3125 struct qlcnic_host_sds_ring *sds_ring = data; 3126 struct qlcnic_adapter *adapter = sds_ring->adapter; 3127 3128 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3129 goto done; 3130 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3131 writel(0xffffffff, adapter->tgt_status_reg); 3132 goto done; 3133 } 3134 3135 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3136 return IRQ_NONE; 3137 3138 done: 3139 adapter->ahw->diag_cnt++; 3140 qlcnic_enable_sds_intr(adapter, sds_ring); 3141 return IRQ_HANDLED; 3142 } 3143 3144 static irqreturn_t qlcnic_intr(int irq, void *data) 3145 { 3146 struct qlcnic_host_sds_ring *sds_ring = data; 3147 struct qlcnic_adapter *adapter = sds_ring->adapter; 3148 3149 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3150 return IRQ_NONE; 3151 3152 napi_schedule(&sds_ring->napi); 3153 3154 return IRQ_HANDLED; 3155 } 3156 3157 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3158 { 3159 struct qlcnic_host_sds_ring *sds_ring = data; 3160 struct qlcnic_adapter *adapter = sds_ring->adapter; 3161 3162 /* clear interrupt */ 3163 writel(0xffffffff, adapter->tgt_status_reg); 3164 3165 napi_schedule(&sds_ring->napi); 3166 return IRQ_HANDLED; 3167 } 3168 3169 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3170 { 3171 struct qlcnic_host_sds_ring *sds_ring = data; 3172 3173 napi_schedule(&sds_ring->napi); 3174 return IRQ_HANDLED; 3175 } 3176 3177 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3178 { 3179 struct qlcnic_host_tx_ring *tx_ring = data; 3180 3181 napi_schedule(&tx_ring->napi); 3182 return IRQ_HANDLED; 3183 } 3184 3185 #ifdef CONFIG_NET_POLL_CONTROLLER 3186 static void qlcnic_poll_controller(struct net_device *netdev) 3187 { 3188 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3189 struct qlcnic_host_sds_ring *sds_ring; 3190 struct qlcnic_recv_context *recv_ctx; 3191 struct qlcnic_host_tx_ring *tx_ring; 3192 int ring; 3193 3194 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3195 return; 3196 3197 recv_ctx = adapter->recv_ctx; 3198 3199 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3200 sds_ring = &recv_ctx->sds_rings[ring]; 3201 qlcnic_disable_sds_intr(adapter, sds_ring); 3202 napi_schedule(&sds_ring->napi); 3203 } 3204 3205 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3206 /* Only Multi-Tx queue capable devices need to 3207 * schedule NAPI for TX rings 3208 */ 3209 if ((qlcnic_83xx_check(adapter) && 3210 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3211 (qlcnic_82xx_check(adapter) && 3212 !qlcnic_check_multi_tx(adapter))) 3213 return; 3214 3215 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3216 tx_ring = &adapter->tx_ring[ring]; 3217 qlcnic_disable_tx_intr(adapter, tx_ring); 3218 napi_schedule(&tx_ring->napi); 3219 } 3220 } 3221 } 3222 #endif 3223 3224 static void 3225 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3226 { 3227 u32 val; 3228 3229 val = adapter->portnum & 0xf; 3230 val |= encoding << 7; 3231 val |= (jiffies - adapter->dev_rst_time) << 8; 3232 3233 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3234 adapter->dev_rst_time = jiffies; 3235 } 3236 3237 static int 3238 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3239 { 3240 u32 val; 3241 3242 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3243 state != QLCNIC_DEV_NEED_QUISCENT); 3244 3245 if (qlcnic_api_lock(adapter)) 3246 return -EIO; 3247 3248 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3249 3250 if (state == QLCNIC_DEV_NEED_RESET) 3251 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3252 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3253 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3254 3255 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3256 3257 qlcnic_api_unlock(adapter); 3258 3259 return 0; 3260 } 3261 3262 static int 3263 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3264 { 3265 u32 val; 3266 3267 if (qlcnic_api_lock(adapter)) 3268 return -EBUSY; 3269 3270 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3271 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3273 3274 qlcnic_api_unlock(adapter); 3275 3276 return 0; 3277 } 3278 3279 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3280 { 3281 u32 val; 3282 3283 if (qlcnic_api_lock(adapter)) 3284 goto err; 3285 3286 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3287 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3288 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3289 3290 if (failed) { 3291 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3292 QLCNIC_DEV_FAILED); 3293 dev_info(&adapter->pdev->dev, 3294 "Device state set to Failed. Please Reboot\n"); 3295 } else if (!(val & 0x11111111)) 3296 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3297 QLCNIC_DEV_COLD); 3298 3299 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3300 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3301 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3302 3303 qlcnic_api_unlock(adapter); 3304 err: 3305 adapter->fw_fail_cnt = 0; 3306 adapter->flags &= ~QLCNIC_FW_HANG; 3307 clear_bit(__QLCNIC_START_FW, &adapter->state); 3308 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3309 } 3310 3311 /* Grab api lock, before checking state */ 3312 static int 3313 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3314 { 3315 int act, state, active_mask; 3316 struct qlcnic_hardware_context *ahw = adapter->ahw; 3317 3318 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3319 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3320 3321 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3322 active_mask = (~(1 << (ahw->pci_func * 4))); 3323 act = act & active_mask; 3324 } 3325 3326 if (((state & 0x11111111) == (act & 0x11111111)) || 3327 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3328 return 0; 3329 else 3330 return 1; 3331 } 3332 3333 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3334 { 3335 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3336 3337 if (val != QLCNIC_DRV_IDC_VER) { 3338 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3339 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3340 } 3341 3342 return 0; 3343 } 3344 3345 static int 3346 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3347 { 3348 u32 val, prev_state; 3349 u8 dev_init_timeo = adapter->dev_init_timeo; 3350 u8 portnum = adapter->portnum; 3351 u8 ret; 3352 3353 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3354 return 1; 3355 3356 if (qlcnic_api_lock(adapter)) 3357 return -1; 3358 3359 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3360 if (!(val & (1 << (portnum * 4)))) { 3361 QLC_DEV_SET_REF_CNT(val, portnum); 3362 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3363 } 3364 3365 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3366 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3367 3368 switch (prev_state) { 3369 case QLCNIC_DEV_COLD: 3370 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3371 QLCNIC_DEV_INITIALIZING); 3372 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3373 QLCNIC_DRV_IDC_VER); 3374 qlcnic_idc_debug_info(adapter, 0); 3375 qlcnic_api_unlock(adapter); 3376 return 1; 3377 3378 case QLCNIC_DEV_READY: 3379 ret = qlcnic_check_idc_ver(adapter); 3380 qlcnic_api_unlock(adapter); 3381 return ret; 3382 3383 case QLCNIC_DEV_NEED_RESET: 3384 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3385 QLC_DEV_SET_RST_RDY(val, portnum); 3386 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3387 break; 3388 3389 case QLCNIC_DEV_NEED_QUISCENT: 3390 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3391 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3392 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3393 break; 3394 3395 case QLCNIC_DEV_FAILED: 3396 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3397 qlcnic_api_unlock(adapter); 3398 return -1; 3399 3400 case QLCNIC_DEV_INITIALIZING: 3401 case QLCNIC_DEV_QUISCENT: 3402 break; 3403 } 3404 3405 qlcnic_api_unlock(adapter); 3406 3407 do { 3408 msleep(1000); 3409 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3410 3411 if (prev_state == QLCNIC_DEV_QUISCENT) 3412 continue; 3413 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3414 3415 if (!dev_init_timeo) { 3416 dev_err(&adapter->pdev->dev, 3417 "Waiting for device to initialize timeout\n"); 3418 return -1; 3419 } 3420 3421 if (qlcnic_api_lock(adapter)) 3422 return -1; 3423 3424 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3425 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3426 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3427 3428 ret = qlcnic_check_idc_ver(adapter); 3429 qlcnic_api_unlock(adapter); 3430 3431 return ret; 3432 } 3433 3434 static void 3435 qlcnic_fwinit_work(struct work_struct *work) 3436 { 3437 struct qlcnic_adapter *adapter = container_of(work, 3438 struct qlcnic_adapter, fw_work.work); 3439 u32 dev_state = 0xf; 3440 u32 val; 3441 3442 if (qlcnic_api_lock(adapter)) 3443 goto err_ret; 3444 3445 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3446 if (dev_state == QLCNIC_DEV_QUISCENT || 3447 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3448 qlcnic_api_unlock(adapter); 3449 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3450 FW_POLL_DELAY * 2); 3451 return; 3452 } 3453 3454 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3455 qlcnic_api_unlock(adapter); 3456 goto wait_npar; 3457 } 3458 3459 if (dev_state == QLCNIC_DEV_INITIALIZING || 3460 dev_state == QLCNIC_DEV_READY) { 3461 dev_info(&adapter->pdev->dev, "Detected state change from " 3462 "DEV_NEED_RESET, skipping ack check\n"); 3463 goto skip_ack_check; 3464 } 3465 3466 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3467 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3468 adapter->reset_ack_timeo); 3469 goto skip_ack_check; 3470 } 3471 3472 if (!qlcnic_check_drv_state(adapter)) { 3473 skip_ack_check: 3474 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3475 3476 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3477 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3478 QLCNIC_DEV_INITIALIZING); 3479 set_bit(__QLCNIC_START_FW, &adapter->state); 3480 QLCDB(adapter, DRV, "Restarting fw\n"); 3481 qlcnic_idc_debug_info(adapter, 0); 3482 val = QLC_SHARED_REG_RD32(adapter, 3483 QLCNIC_CRB_DRV_STATE); 3484 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3485 QLC_SHARED_REG_WR32(adapter, 3486 QLCNIC_CRB_DRV_STATE, val); 3487 } 3488 3489 qlcnic_api_unlock(adapter); 3490 3491 rtnl_lock(); 3492 if (qlcnic_check_fw_dump_state(adapter) && 3493 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3494 QLCDB(adapter, DRV, "Take FW dump\n"); 3495 qlcnic_dump_fw(adapter); 3496 adapter->flags |= QLCNIC_FW_HANG; 3497 } 3498 rtnl_unlock(); 3499 3500 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3501 if (!adapter->nic_ops->start_firmware(adapter)) { 3502 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3503 adapter->fw_wait_cnt = 0; 3504 return; 3505 } 3506 goto err_ret; 3507 } 3508 3509 qlcnic_api_unlock(adapter); 3510 3511 wait_npar: 3512 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3513 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3514 3515 switch (dev_state) { 3516 case QLCNIC_DEV_READY: 3517 if (!qlcnic_start_firmware(adapter)) { 3518 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3519 adapter->fw_wait_cnt = 0; 3520 return; 3521 } 3522 case QLCNIC_DEV_FAILED: 3523 break; 3524 default: 3525 qlcnic_schedule_work(adapter, 3526 qlcnic_fwinit_work, FW_POLL_DELAY); 3527 return; 3528 } 3529 3530 err_ret: 3531 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3532 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3533 netif_device_attach(adapter->netdev); 3534 qlcnic_clr_all_drv_state(adapter, 0); 3535 } 3536 3537 static void 3538 qlcnic_detach_work(struct work_struct *work) 3539 { 3540 struct qlcnic_adapter *adapter = container_of(work, 3541 struct qlcnic_adapter, fw_work.work); 3542 struct net_device *netdev = adapter->netdev; 3543 u32 status; 3544 3545 netif_device_detach(netdev); 3546 3547 /* Dont grab rtnl lock during Quiscent mode */ 3548 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3549 if (netif_running(netdev)) 3550 __qlcnic_down(adapter, netdev); 3551 } else 3552 qlcnic_down(adapter, netdev); 3553 3554 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3555 3556 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3557 dev_err(&adapter->pdev->dev, 3558 "Detaching the device: peg halt status1=0x%x\n", 3559 status); 3560 3561 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3562 dev_err(&adapter->pdev->dev, 3563 "On board active cooling fan failed. " 3564 "Device has been halted.\n"); 3565 dev_err(&adapter->pdev->dev, 3566 "Replace the adapter.\n"); 3567 } 3568 3569 goto err_ret; 3570 } 3571 3572 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3573 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3574 adapter->ahw->temp); 3575 goto err_ret; 3576 } 3577 3578 /* Dont ack if this instance is the reset owner */ 3579 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3580 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3581 dev_err(&adapter->pdev->dev, 3582 "Failed to set driver state," 3583 "detaching the device.\n"); 3584 goto err_ret; 3585 } 3586 } 3587 3588 adapter->fw_wait_cnt = 0; 3589 3590 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3591 3592 return; 3593 3594 err_ret: 3595 netif_device_attach(netdev); 3596 qlcnic_clr_all_drv_state(adapter, 1); 3597 } 3598 3599 /*Transit NPAR state to NON Operational */ 3600 static void 3601 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3602 { 3603 u32 state; 3604 3605 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3606 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3607 return; 3608 3609 if (qlcnic_api_lock(adapter)) 3610 return; 3611 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3612 QLCNIC_DEV_NPAR_NON_OPER); 3613 qlcnic_api_unlock(adapter); 3614 } 3615 3616 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3617 u32 key) 3618 { 3619 u32 state, xg_val = 0, gb_val = 0; 3620 3621 qlcnic_xg_set_xg0_mask(xg_val); 3622 qlcnic_xg_set_xg1_mask(xg_val); 3623 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3624 qlcnic_gb_set_gb0_mask(gb_val); 3625 qlcnic_gb_set_gb1_mask(gb_val); 3626 qlcnic_gb_set_gb2_mask(gb_val); 3627 qlcnic_gb_set_gb3_mask(gb_val); 3628 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3629 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3630 " on all ports\n"); 3631 adapter->need_fw_reset = 1; 3632 3633 if (qlcnic_api_lock(adapter)) 3634 return; 3635 3636 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3637 3638 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3639 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3640 __func__); 3641 qlcnic_api_unlock(adapter); 3642 3643 return; 3644 } 3645 3646 if (state == QLCNIC_DEV_READY) { 3647 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3648 QLCNIC_DEV_NEED_RESET); 3649 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3650 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3651 qlcnic_idc_debug_info(adapter, 0); 3652 } 3653 3654 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3655 QLCNIC_DEV_NPAR_NON_OPER); 3656 qlcnic_api_unlock(adapter); 3657 } 3658 3659 /* Transit to NPAR READY state from NPAR NOT READY state */ 3660 static void 3661 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3662 { 3663 if (qlcnic_api_lock(adapter)) 3664 return; 3665 3666 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3667 QLCNIC_DEV_NPAR_OPER); 3668 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3669 3670 qlcnic_api_unlock(adapter); 3671 } 3672 3673 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3674 work_func_t func, int delay) 3675 { 3676 if (test_bit(__QLCNIC_AER, &adapter->state)) 3677 return; 3678 3679 INIT_DELAYED_WORK(&adapter->fw_work, func); 3680 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3681 round_jiffies_relative(delay)); 3682 } 3683 3684 static void 3685 qlcnic_attach_work(struct work_struct *work) 3686 { 3687 struct qlcnic_adapter *adapter = container_of(work, 3688 struct qlcnic_adapter, fw_work.work); 3689 struct net_device *netdev = adapter->netdev; 3690 u32 npar_state; 3691 3692 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3693 npar_state = QLC_SHARED_REG_RD32(adapter, 3694 QLCNIC_CRB_DEV_NPAR_STATE); 3695 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3696 qlcnic_clr_all_drv_state(adapter, 0); 3697 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3698 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3699 FW_POLL_DELAY); 3700 else 3701 goto attach; 3702 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3703 return; 3704 } 3705 attach: 3706 qlcnic_dcb_get_info(adapter->dcb); 3707 3708 if (netif_running(netdev)) { 3709 if (qlcnic_up(adapter, netdev)) 3710 goto done; 3711 3712 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3713 } 3714 3715 done: 3716 netif_device_attach(netdev); 3717 adapter->fw_fail_cnt = 0; 3718 adapter->flags &= ~QLCNIC_FW_HANG; 3719 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3720 if (adapter->portnum == 0) 3721 qlcnic_set_drv_version(adapter); 3722 3723 if (!qlcnic_clr_drv_state(adapter)) 3724 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3725 FW_POLL_DELAY); 3726 } 3727 3728 static int 3729 qlcnic_check_health(struct qlcnic_adapter *adapter) 3730 { 3731 struct qlcnic_hardware_context *ahw = adapter->ahw; 3732 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3733 u32 state = 0, heartbeat; 3734 u32 peg_status; 3735 int err = 0; 3736 3737 if (qlcnic_check_temp(adapter)) 3738 goto detach; 3739 3740 if (adapter->need_fw_reset) 3741 qlcnic_dev_request_reset(adapter, 0); 3742 3743 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3744 if (state == QLCNIC_DEV_NEED_RESET) { 3745 qlcnic_set_npar_non_operational(adapter); 3746 adapter->need_fw_reset = 1; 3747 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3748 goto detach; 3749 3750 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3751 if (heartbeat != adapter->heartbeat) { 3752 adapter->heartbeat = heartbeat; 3753 adapter->fw_fail_cnt = 0; 3754 if (adapter->need_fw_reset) 3755 goto detach; 3756 3757 if (ahw->reset_context && qlcnic_auto_fw_reset) 3758 qlcnic_reset_hw_context(adapter); 3759 3760 return 0; 3761 } 3762 3763 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3764 return 0; 3765 3766 adapter->flags |= QLCNIC_FW_HANG; 3767 3768 qlcnic_dev_request_reset(adapter, 0); 3769 3770 if (qlcnic_auto_fw_reset) 3771 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3772 3773 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3774 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3775 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3776 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3777 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3778 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3779 "PEG_NET_4_PC: 0x%x\n", 3780 peg_status, 3781 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3782 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3783 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3784 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3785 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3786 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3787 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3788 dev_err(&adapter->pdev->dev, 3789 "Firmware aborted with error code 0x00006700. " 3790 "Device is being reset.\n"); 3791 detach: 3792 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3793 QLCNIC_DEV_NEED_RESET; 3794 3795 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3796 &adapter->state)) { 3797 3798 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3799 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3800 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3801 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3802 qlcnic_dump_fw(adapter); 3803 } 3804 3805 return 1; 3806 } 3807 3808 void qlcnic_fw_poll_work(struct work_struct *work) 3809 { 3810 struct qlcnic_adapter *adapter = container_of(work, 3811 struct qlcnic_adapter, fw_work.work); 3812 3813 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3814 goto reschedule; 3815 3816 3817 if (qlcnic_check_health(adapter)) 3818 return; 3819 3820 if (adapter->fhash.fnum) 3821 qlcnic_prune_lb_filters(adapter); 3822 3823 reschedule: 3824 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3825 } 3826 3827 static int qlcnic_is_first_func(struct pci_dev *pdev) 3828 { 3829 struct pci_dev *oth_pdev; 3830 int val = pdev->devfn; 3831 3832 while (val-- > 0) { 3833 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3834 (pdev->bus), pdev->bus->number, 3835 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3836 if (!oth_pdev) 3837 continue; 3838 3839 if (oth_pdev->current_state != PCI_D3cold) { 3840 pci_dev_put(oth_pdev); 3841 return 0; 3842 } 3843 pci_dev_put(oth_pdev); 3844 } 3845 return 1; 3846 } 3847 3848 static int qlcnic_attach_func(struct pci_dev *pdev) 3849 { 3850 int err, first_func; 3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3852 struct net_device *netdev = adapter->netdev; 3853 3854 pdev->error_state = pci_channel_io_normal; 3855 3856 err = pci_enable_device(pdev); 3857 if (err) 3858 return err; 3859 3860 pci_set_master(pdev); 3861 pci_restore_state(pdev); 3862 3863 first_func = qlcnic_is_first_func(pdev); 3864 3865 if (qlcnic_api_lock(adapter)) 3866 return -EINVAL; 3867 3868 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3869 adapter->need_fw_reset = 1; 3870 set_bit(__QLCNIC_START_FW, &adapter->state); 3871 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3872 QLCNIC_DEV_INITIALIZING); 3873 QLCDB(adapter, DRV, "Restarting fw\n"); 3874 } 3875 qlcnic_api_unlock(adapter); 3876 3877 err = qlcnic_start_firmware(adapter); 3878 if (err) 3879 return err; 3880 3881 qlcnic_clr_drv_state(adapter); 3882 kfree(adapter->msix_entries); 3883 adapter->msix_entries = NULL; 3884 err = qlcnic_setup_intr(adapter); 3885 3886 if (err) { 3887 kfree(adapter->msix_entries); 3888 netdev_err(netdev, "failed to setup interrupt\n"); 3889 return err; 3890 } 3891 3892 if (netif_running(netdev)) { 3893 err = qlcnic_attach(adapter); 3894 if (err) { 3895 qlcnic_clr_all_drv_state(adapter, 1); 3896 clear_bit(__QLCNIC_AER, &adapter->state); 3897 netif_device_attach(netdev); 3898 return err; 3899 } 3900 3901 err = qlcnic_up(adapter, netdev); 3902 if (err) 3903 goto done; 3904 3905 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3906 } 3907 done: 3908 netif_device_attach(netdev); 3909 return err; 3910 } 3911 3912 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3913 pci_channel_state_t state) 3914 { 3915 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3916 struct net_device *netdev = adapter->netdev; 3917 3918 if (state == pci_channel_io_perm_failure) 3919 return PCI_ERS_RESULT_DISCONNECT; 3920 3921 if (state == pci_channel_io_normal) 3922 return PCI_ERS_RESULT_RECOVERED; 3923 3924 set_bit(__QLCNIC_AER, &adapter->state); 3925 netif_device_detach(netdev); 3926 3927 cancel_delayed_work_sync(&adapter->fw_work); 3928 3929 if (netif_running(netdev)) 3930 qlcnic_down(adapter, netdev); 3931 3932 qlcnic_detach(adapter); 3933 qlcnic_teardown_intr(adapter); 3934 3935 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3936 3937 pci_save_state(pdev); 3938 pci_disable_device(pdev); 3939 3940 return PCI_ERS_RESULT_NEED_RESET; 3941 } 3942 3943 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3944 { 3945 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3946 PCI_ERS_RESULT_RECOVERED; 3947 } 3948 3949 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3950 { 3951 u32 state; 3952 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3953 3954 pci_cleanup_aer_uncorrect_error_status(pdev); 3955 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3956 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3957 &adapter->state)) 3958 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3959 FW_POLL_DELAY); 3960 } 3961 3962 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3963 pci_channel_state_t state) 3964 { 3965 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3966 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3967 3968 if (hw_ops->io_error_detected) { 3969 return hw_ops->io_error_detected(pdev, state); 3970 } else { 3971 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3972 return PCI_ERS_RESULT_DISCONNECT; 3973 } 3974 } 3975 3976 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3977 { 3978 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3979 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3980 3981 if (hw_ops->io_slot_reset) { 3982 return hw_ops->io_slot_reset(pdev); 3983 } else { 3984 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3985 return PCI_ERS_RESULT_DISCONNECT; 3986 } 3987 } 3988 3989 static void qlcnic_io_resume(struct pci_dev *pdev) 3990 { 3991 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3992 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3993 3994 if (hw_ops->io_resume) 3995 hw_ops->io_resume(pdev); 3996 else 3997 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3998 } 3999 4000 4001 static int 4002 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4003 { 4004 int err; 4005 4006 err = qlcnic_can_start_firmware(adapter); 4007 if (err) 4008 return err; 4009 4010 err = qlcnic_check_npar_opertional(adapter); 4011 if (err) 4012 return err; 4013 4014 err = qlcnic_initialize_nic(adapter); 4015 if (err) 4016 return err; 4017 4018 qlcnic_check_options(adapter); 4019 4020 err = qlcnic_set_eswitch_port_config(adapter); 4021 if (err) 4022 return err; 4023 4024 adapter->need_fw_reset = 0; 4025 4026 return err; 4027 } 4028 4029 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4030 int queue_type) 4031 { 4032 struct net_device *netdev = adapter->netdev; 4033 u8 max_hw_rings = 0; 4034 char buf[8]; 4035 int cur_rings; 4036 4037 if (queue_type == QLCNIC_RX_QUEUE) { 4038 max_hw_rings = adapter->max_sds_rings; 4039 cur_rings = adapter->drv_sds_rings; 4040 strcpy(buf, "SDS"); 4041 } else if (queue_type == QLCNIC_TX_QUEUE) { 4042 max_hw_rings = adapter->max_tx_rings; 4043 cur_rings = adapter->drv_tx_rings; 4044 strcpy(buf, "Tx"); 4045 } 4046 4047 if (!is_power_of_2(ring_cnt)) { 4048 netdev_err(netdev, "%s rings value should be a power of 2\n", 4049 buf); 4050 return -EINVAL; 4051 } 4052 4053 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4054 !qlcnic_check_multi_tx(adapter)) { 4055 netdev_err(netdev, "No Multi Tx queue support\n"); 4056 return -EINVAL; 4057 } 4058 4059 if (ring_cnt > num_online_cpus()) { 4060 netdev_err(netdev, 4061 "%s value[%u] should not be higher than, number of online CPUs\n", 4062 buf, num_online_cpus()); 4063 return -EINVAL; 4064 } 4065 4066 return 0; 4067 } 4068 4069 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4070 { 4071 struct net_device *netdev = adapter->netdev; 4072 u8 tx_rings, rx_rings; 4073 int err; 4074 4075 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4076 return -EBUSY; 4077 4078 tx_rings = adapter->drv_tss_rings; 4079 rx_rings = adapter->drv_rss_rings; 4080 4081 netif_device_detach(netdev); 4082 4083 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4084 if (err) 4085 goto done; 4086 4087 if (netif_running(netdev)) 4088 __qlcnic_down(adapter, netdev); 4089 4090 qlcnic_detach(adapter); 4091 4092 if (qlcnic_83xx_check(adapter)) { 4093 qlcnic_83xx_free_mbx_intr(adapter); 4094 qlcnic_83xx_enable_mbx_poll(adapter); 4095 } 4096 4097 qlcnic_teardown_intr(adapter); 4098 4099 err = qlcnic_setup_intr(adapter); 4100 if (err) { 4101 kfree(adapter->msix_entries); 4102 netdev_err(netdev, "failed to setup interrupt\n"); 4103 return err; 4104 } 4105 4106 /* Check if we need to update real_num_{tx|rx}_queues because 4107 * qlcnic_setup_intr() may change Tx/Rx rings size 4108 */ 4109 if ((tx_rings != adapter->drv_tx_rings) || 4110 (rx_rings != adapter->drv_sds_rings)) { 4111 err = qlcnic_set_real_num_queues(adapter, 4112 adapter->drv_tx_rings, 4113 adapter->drv_sds_rings); 4114 if (err) 4115 goto done; 4116 } 4117 4118 if (qlcnic_83xx_check(adapter)) { 4119 qlcnic_83xx_initialize_nic(adapter, 1); 4120 err = qlcnic_83xx_setup_mbx_intr(adapter); 4121 qlcnic_83xx_disable_mbx_poll(adapter); 4122 if (err) { 4123 dev_err(&adapter->pdev->dev, 4124 "failed to setup mbx interrupt\n"); 4125 goto done; 4126 } 4127 } 4128 4129 if (netif_running(netdev)) { 4130 err = qlcnic_attach(adapter); 4131 if (err) 4132 goto done; 4133 err = __qlcnic_up(adapter, netdev); 4134 if (err) 4135 goto done; 4136 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4137 } 4138 done: 4139 netif_device_attach(netdev); 4140 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4141 return err; 4142 } 4143 4144 #ifdef CONFIG_INET 4145 4146 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4147 4148 static void 4149 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4150 struct net_device *dev, unsigned long event) 4151 { 4152 struct in_device *indev; 4153 4154 indev = in_dev_get(dev); 4155 if (!indev) 4156 return; 4157 4158 for_ifa(indev) { 4159 switch (event) { 4160 case NETDEV_UP: 4161 qlcnic_config_ipaddr(adapter, 4162 ifa->ifa_address, QLCNIC_IP_UP); 4163 break; 4164 case NETDEV_DOWN: 4165 qlcnic_config_ipaddr(adapter, 4166 ifa->ifa_address, QLCNIC_IP_DOWN); 4167 break; 4168 default: 4169 break; 4170 } 4171 } endfor_ifa(indev); 4172 4173 in_dev_put(indev); 4174 } 4175 4176 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4177 { 4178 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4179 struct net_device *dev; 4180 u16 vid; 4181 4182 qlcnic_config_indev_addr(adapter, netdev, event); 4183 4184 rcu_read_lock(); 4185 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4186 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4187 if (!dev) 4188 continue; 4189 qlcnic_config_indev_addr(adapter, dev, event); 4190 } 4191 rcu_read_unlock(); 4192 } 4193 4194 static int qlcnic_netdev_event(struct notifier_block *this, 4195 unsigned long event, void *ptr) 4196 { 4197 struct qlcnic_adapter *adapter; 4198 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4199 4200 recheck: 4201 if (dev == NULL) 4202 goto done; 4203 4204 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4205 dev = vlan_dev_real_dev(dev); 4206 goto recheck; 4207 } 4208 4209 if (!is_qlcnic_netdev(dev)) 4210 goto done; 4211 4212 adapter = netdev_priv(dev); 4213 4214 if (!adapter) 4215 goto done; 4216 4217 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4218 goto done; 4219 4220 qlcnic_config_indev_addr(adapter, dev, event); 4221 done: 4222 return NOTIFY_DONE; 4223 } 4224 4225 static int 4226 qlcnic_inetaddr_event(struct notifier_block *this, 4227 unsigned long event, void *ptr) 4228 { 4229 struct qlcnic_adapter *adapter; 4230 struct net_device *dev; 4231 4232 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4233 4234 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4235 4236 recheck: 4237 if (dev == NULL) 4238 goto done; 4239 4240 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4241 dev = vlan_dev_real_dev(dev); 4242 goto recheck; 4243 } 4244 4245 if (!is_qlcnic_netdev(dev)) 4246 goto done; 4247 4248 adapter = netdev_priv(dev); 4249 4250 if (!adapter) 4251 goto done; 4252 4253 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4254 goto done; 4255 4256 switch (event) { 4257 case NETDEV_UP: 4258 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4259 4260 break; 4261 case NETDEV_DOWN: 4262 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4263 4264 break; 4265 default: 4266 break; 4267 } 4268 4269 done: 4270 return NOTIFY_DONE; 4271 } 4272 4273 static struct notifier_block qlcnic_netdev_cb = { 4274 .notifier_call = qlcnic_netdev_event, 4275 }; 4276 4277 static struct notifier_block qlcnic_inetaddr_cb = { 4278 .notifier_call = qlcnic_inetaddr_event, 4279 }; 4280 #else 4281 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4282 { } 4283 #endif 4284 static const struct pci_error_handlers qlcnic_err_handler = { 4285 .error_detected = qlcnic_io_error_detected, 4286 .slot_reset = qlcnic_io_slot_reset, 4287 .resume = qlcnic_io_resume, 4288 }; 4289 4290 static struct pci_driver qlcnic_driver = { 4291 .name = qlcnic_driver_name, 4292 .id_table = qlcnic_pci_tbl, 4293 .probe = qlcnic_probe, 4294 .remove = qlcnic_remove, 4295 #ifdef CONFIG_PM 4296 .suspend = qlcnic_suspend, 4297 .resume = qlcnic_resume, 4298 #endif 4299 .shutdown = qlcnic_shutdown, 4300 .err_handler = &qlcnic_err_handler, 4301 #ifdef CONFIG_QLCNIC_SRIOV 4302 .sriov_configure = qlcnic_pci_sriov_configure, 4303 #endif 4304 4305 }; 4306 4307 static int __init qlcnic_init_module(void) 4308 { 4309 int ret; 4310 4311 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4312 4313 #ifdef CONFIG_INET 4314 register_netdevice_notifier(&qlcnic_netdev_cb); 4315 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4316 #endif 4317 4318 ret = pci_register_driver(&qlcnic_driver); 4319 if (ret) { 4320 #ifdef CONFIG_INET 4321 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4322 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4323 #endif 4324 } 4325 4326 return ret; 4327 } 4328 4329 module_init(qlcnic_init_module); 4330 4331 static void __exit qlcnic_exit_module(void) 4332 { 4333 pci_unregister_driver(&qlcnic_driver); 4334 4335 #ifdef CONFIG_INET 4336 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4337 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4338 #endif 4339 } 4340 4341 module_exit(qlcnic_exit_module); 4342