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