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