1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 #include <linux/swab.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/if_vlan.h> 13 #include <net/ip.h> 14 #include <linux/ipv6.h> 15 #include <linux/inetdevice.h> 16 #include <linux/aer.h> 17 #include <linux/log2.h> 18 #include <linux/pci.h> 19 #include <net/vxlan.h> 20 21 #include "qlcnic.h" 22 #include "qlcnic_sriov.h" 23 #include "qlcnic_hw.h" 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 63 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 64 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 65 66 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 67 static irqreturn_t qlcnic_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 69 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 70 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 71 72 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 73 static int qlcnic_start_firmware(struct qlcnic_adapter *); 74 75 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 76 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 77 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 78 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 79 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 80 81 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 82 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 83 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 84 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 85 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 86 static void qlcnic_82xx_io_resume(struct pci_dev *); 87 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 88 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 89 pci_channel_state_t); 90 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 91 { 92 struct qlcnic_hardware_context *ahw = adapter->ahw; 93 94 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 95 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 96 else 97 return 1; 98 } 99 100 /* PCI Device ID Table */ 101 #define ENTRY(device) \ 102 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 103 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 104 105 static const struct pci_device_id qlcnic_pci_tbl[] = { 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 113 {0,} 114 }; 115 116 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 117 118 119 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 120 { 121 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 122 } 123 124 static const u32 msi_tgt_status[8] = { 125 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 126 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 127 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 128 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 129 }; 130 131 static const u32 qlcnic_reg_tbl[] = { 132 0x1B20A8, /* PEG_HALT_STAT1 */ 133 0x1B20AC, /* PEG_HALT_STAT2 */ 134 0x1B20B0, /* FW_HEARTBEAT */ 135 0x1B2100, /* LOCK ID */ 136 0x1B2128, /* FW_CAPABILITIES */ 137 0x1B2138, /* drv active */ 138 0x1B2140, /* dev state */ 139 0x1B2144, /* drv state */ 140 0x1B2148, /* drv scratch */ 141 0x1B214C, /* dev partition info */ 142 0x1B2174, /* drv idc ver */ 143 0x1B2150, /* fw version major */ 144 0x1B2154, /* fw version minor */ 145 0x1B2158, /* fw version sub */ 146 0x1B219C, /* npar state */ 147 0x1B21FC, /* FW_IMG_VALID */ 148 0x1B2250, /* CMD_PEG_STATE */ 149 0x1B233C, /* RCV_PEG_STATE */ 150 0x1B23B4, /* ASIC TEMP */ 151 0x1B216C, /* FW api */ 152 0x1B2170, /* drv op mode */ 153 0x13C010, /* flash lock */ 154 0x13C014, /* flash unlock */ 155 }; 156 157 static const struct qlcnic_board_info qlcnic_boards[] = { 158 { PCI_VENDOR_ID_QLOGIC, 159 PCI_DEVICE_ID_QLOGIC_QLE844X, 160 0x0, 161 0x0, 162 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE834X, 165 PCI_VENDOR_ID_QLOGIC, 166 0x24e, 167 "8300 Series Dual Port 10GbE Converged Network Adapter " 168 "(TCP/IP Networking)" }, 169 { PCI_VENDOR_ID_QLOGIC, 170 PCI_DEVICE_ID_QLOGIC_QLE834X, 171 PCI_VENDOR_ID_QLOGIC, 172 0x243, 173 "8300 Series Single Port 10GbE Converged Network Adapter " 174 "(TCP/IP Networking)" }, 175 { PCI_VENDOR_ID_QLOGIC, 176 PCI_DEVICE_ID_QLOGIC_QLE834X, 177 PCI_VENDOR_ID_QLOGIC, 178 0x24a, 179 "8300 Series Dual Port 10GbE Converged Network Adapter " 180 "(TCP/IP Networking)" }, 181 { PCI_VENDOR_ID_QLOGIC, 182 PCI_DEVICE_ID_QLOGIC_QLE834X, 183 PCI_VENDOR_ID_QLOGIC, 184 0x246, 185 "8300 Series Dual Port 10GbE Converged Network Adapter " 186 "(TCP/IP Networking)" }, 187 { PCI_VENDOR_ID_QLOGIC, 188 PCI_DEVICE_ID_QLOGIC_QLE834X, 189 PCI_VENDOR_ID_QLOGIC, 190 0x252, 191 "8300 Series Dual Port 10GbE Converged Network Adapter " 192 "(TCP/IP Networking)" }, 193 { PCI_VENDOR_ID_QLOGIC, 194 PCI_DEVICE_ID_QLOGIC_QLE834X, 195 PCI_VENDOR_ID_QLOGIC, 196 0x26e, 197 "8300 Series Dual Port 10GbE Converged Network Adapter " 198 "(TCP/IP Networking)" }, 199 { PCI_VENDOR_ID_QLOGIC, 200 PCI_DEVICE_ID_QLOGIC_QLE834X, 201 PCI_VENDOR_ID_QLOGIC, 202 0x260, 203 "8300 Series Dual Port 10GbE Converged Network Adapter " 204 "(TCP/IP Networking)" }, 205 { PCI_VENDOR_ID_QLOGIC, 206 PCI_DEVICE_ID_QLOGIC_QLE834X, 207 PCI_VENDOR_ID_QLOGIC, 208 0x266, 209 "8300 Series Single Port 10GbE Converged Network Adapter " 210 "(TCP/IP Networking)" }, 211 { PCI_VENDOR_ID_QLOGIC, 212 PCI_DEVICE_ID_QLOGIC_QLE834X, 213 PCI_VENDOR_ID_QLOGIC, 214 0x269, 215 "8300 Series Dual Port 10GbE Converged Network Adapter " 216 "(TCP/IP Networking)" }, 217 { PCI_VENDOR_ID_QLOGIC, 218 PCI_DEVICE_ID_QLOGIC_QLE834X, 219 PCI_VENDOR_ID_QLOGIC, 220 0x271, 221 "8300 Series Dual Port 10GbE Converged Network Adapter " 222 "(TCP/IP Networking)" }, 223 { PCI_VENDOR_ID_QLOGIC, 224 PCI_DEVICE_ID_QLOGIC_QLE834X, 225 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 226 { PCI_VENDOR_ID_QLOGIC, 227 PCI_DEVICE_ID_QLOGIC_QLE8830, 228 0x0, 229 0x0, 230 "8830 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE824X, 233 PCI_VENDOR_ID_QLOGIC, 234 0x203, 235 "8200 Series Single Port 10GbE Converged Network Adapter" 236 "(TCP/IP Networking)" }, 237 { PCI_VENDOR_ID_QLOGIC, 238 PCI_DEVICE_ID_QLOGIC_QLE824X, 239 PCI_VENDOR_ID_QLOGIC, 240 0x207, 241 "8200 Series Dual Port 10GbE Converged Network Adapter" 242 "(TCP/IP Networking)" }, 243 { PCI_VENDOR_ID_QLOGIC, 244 PCI_DEVICE_ID_QLOGIC_QLE824X, 245 PCI_VENDOR_ID_QLOGIC, 246 0x20b, 247 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20c, 252 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20f, 257 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 0x103c, 0x3733, 261 "NC523SFP 10Gb 2-port Server Adapter" }, 262 { PCI_VENDOR_ID_QLOGIC, 263 PCI_DEVICE_ID_QLOGIC_QLE824X, 264 0x103c, 0x3346, 265 "CN1000Q Dual Port Converged Network Adapter" }, 266 { PCI_VENDOR_ID_QLOGIC, 267 PCI_DEVICE_ID_QLOGIC_QLE824X, 268 PCI_VENDOR_ID_QLOGIC, 269 0x210, 270 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 274 }; 275 276 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 277 278 static const 279 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 280 281 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 282 { 283 int size = sizeof(struct qlcnic_host_sds_ring) * count; 284 285 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 286 287 return recv_ctx->sds_rings == NULL; 288 } 289 290 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 291 { 292 kfree(recv_ctx->sds_rings); 293 recv_ctx->sds_rings = NULL; 294 } 295 296 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 297 { 298 struct net_device *netdev = adapter->netdev; 299 struct pci_dev *pdev = adapter->pdev; 300 u8 mac_addr[ETH_ALEN]; 301 int ret; 302 303 ret = qlcnic_get_mac_address(adapter, mac_addr, 304 adapter->ahw->pci_func); 305 if (ret) 306 return ret; 307 308 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 309 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 310 311 /* set station address */ 312 313 if (!is_valid_ether_addr(netdev->dev_addr)) 314 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 315 netdev->dev_addr); 316 317 return 0; 318 } 319 320 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 321 { 322 struct qlcnic_mac_vlan_list *cur; 323 struct list_head *head; 324 325 list_for_each(head, &adapter->mac_list) { 326 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 327 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 328 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 329 0, QLCNIC_MAC_DEL); 330 list_del(&cur->list); 331 kfree(cur); 332 return; 333 } 334 } 335 } 336 337 static int qlcnic_set_mac(struct net_device *netdev, void *p) 338 { 339 struct qlcnic_adapter *adapter = netdev_priv(netdev); 340 struct sockaddr *addr = p; 341 342 if (qlcnic_sriov_vf_check(adapter)) 343 return -EINVAL; 344 345 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 346 return -EOPNOTSUPP; 347 348 if (!is_valid_ether_addr(addr->sa_data)) 349 return -EINVAL; 350 351 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 352 ether_addr_equal_unaligned(netdev->dev_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, 374 const unsigned char *addr, u16 vid) 375 { 376 struct qlcnic_adapter *adapter = netdev_priv(netdev); 377 int err = -EOPNOTSUPP; 378 379 if (!adapter->fdb_mac_learn) 380 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 381 382 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 383 qlcnic_sriov_check(adapter)) { 384 if (is_unicast_ether_addr(addr)) { 385 err = dev_uc_del(netdev, addr); 386 if (!err) 387 err = qlcnic_nic_del_mac(adapter, addr); 388 } else if (is_multicast_ether_addr(addr)) { 389 err = dev_mc_del(netdev, addr); 390 } else { 391 err = -EINVAL; 392 } 393 } 394 return err; 395 } 396 397 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 398 struct net_device *netdev, 399 const unsigned char *addr, u16 vid, u16 flags, 400 struct netlink_ext_ack *extack) 401 { 402 struct qlcnic_adapter *adapter = netdev_priv(netdev); 403 int err = 0; 404 405 if (!adapter->fdb_mac_learn) 406 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 407 408 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 409 !qlcnic_sriov_check(adapter)) { 410 pr_info("%s: FDB e-switch is not enabled\n", __func__); 411 return -EOPNOTSUPP; 412 } 413 414 if (ether_addr_equal(addr, adapter->mac_addr)) 415 return err; 416 417 if (is_unicast_ether_addr(addr)) { 418 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 419 err = dev_uc_add_excl(netdev, addr); 420 else 421 err = -ENOMEM; 422 } else if (is_multicast_ether_addr(addr)) { 423 err = dev_mc_add_excl(netdev, addr); 424 } else { 425 err = -EINVAL; 426 } 427 428 return err; 429 } 430 431 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 432 struct net_device *netdev, 433 struct net_device *filter_dev, int *idx) 434 { 435 struct qlcnic_adapter *adapter = netdev_priv(netdev); 436 int err = 0; 437 438 if (!adapter->fdb_mac_learn) 439 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 440 441 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 442 qlcnic_sriov_check(adapter)) 443 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 444 445 return err; 446 } 447 448 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 449 { 450 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 451 usleep_range(10000, 11000); 452 453 if (!adapter->fw_work.work.func) 454 return; 455 456 cancel_delayed_work_sync(&adapter->fw_work); 457 } 458 459 static int qlcnic_get_phys_port_id(struct net_device *netdev, 460 struct netdev_phys_item_id *ppid) 461 { 462 struct qlcnic_adapter *adapter = netdev_priv(netdev); 463 struct qlcnic_hardware_context *ahw = adapter->ahw; 464 465 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 466 return -EOPNOTSUPP; 467 468 ppid->id_len = sizeof(ahw->phys_port_id); 469 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 470 471 return 0; 472 } 473 474 static void qlcnic_add_vxlan_port(struct net_device *netdev, 475 struct udp_tunnel_info *ti) 476 { 477 struct qlcnic_adapter *adapter = netdev_priv(netdev); 478 struct qlcnic_hardware_context *ahw = adapter->ahw; 479 480 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 481 return; 482 483 /* Adapter supports only one VXLAN port. Use very first port 484 * for enabling offload 485 */ 486 if (!qlcnic_encap_rx_offload(adapter)) 487 return; 488 if (!ahw->vxlan_port_count) { 489 ahw->vxlan_port_count = 1; 490 ahw->vxlan_port = ntohs(ti->port); 491 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 492 return; 493 } 494 if (ahw->vxlan_port == ntohs(ti->port)) 495 ahw->vxlan_port_count++; 496 497 } 498 499 static void qlcnic_del_vxlan_port(struct net_device *netdev, 500 struct udp_tunnel_info *ti) 501 { 502 struct qlcnic_adapter *adapter = netdev_priv(netdev); 503 struct qlcnic_hardware_context *ahw = adapter->ahw; 504 505 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 506 return; 507 508 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 509 (ahw->vxlan_port != ntohs(ti->port))) 510 return; 511 512 ahw->vxlan_port_count--; 513 if (!ahw->vxlan_port_count) 514 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 515 } 516 517 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 518 struct net_device *dev, 519 netdev_features_t features) 520 { 521 features = vlan_features_check(skb, features); 522 return vxlan_features_check(skb, features); 523 } 524 525 static const struct net_device_ops qlcnic_netdev_ops = { 526 .ndo_open = qlcnic_open, 527 .ndo_stop = qlcnic_close, 528 .ndo_start_xmit = qlcnic_xmit_frame, 529 .ndo_get_stats = qlcnic_get_stats, 530 .ndo_validate_addr = eth_validate_addr, 531 .ndo_set_rx_mode = qlcnic_set_multi, 532 .ndo_set_mac_address = qlcnic_set_mac, 533 .ndo_change_mtu = qlcnic_change_mtu, 534 .ndo_fix_features = qlcnic_fix_features, 535 .ndo_set_features = qlcnic_set_features, 536 .ndo_tx_timeout = qlcnic_tx_timeout, 537 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 538 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 539 .ndo_fdb_add = qlcnic_fdb_add, 540 .ndo_fdb_del = qlcnic_fdb_del, 541 .ndo_fdb_dump = qlcnic_fdb_dump, 542 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 543 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port, 544 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port, 545 .ndo_features_check = qlcnic_features_check, 546 #ifdef CONFIG_QLCNIC_SRIOV 547 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 548 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 549 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 550 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 551 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 552 #endif 553 }; 554 555 static const struct net_device_ops qlcnic_netdev_failed_ops = { 556 .ndo_open = qlcnic_open, 557 }; 558 559 static struct qlcnic_nic_template qlcnic_ops = { 560 .config_bridged_mode = qlcnic_config_bridged_mode, 561 .config_led = qlcnic_82xx_config_led, 562 .start_firmware = qlcnic_82xx_start_firmware, 563 .request_reset = qlcnic_82xx_dev_request_reset, 564 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 565 .napi_add = qlcnic_82xx_napi_add, 566 .napi_del = qlcnic_82xx_napi_del, 567 .config_ipaddr = qlcnic_82xx_config_ipaddr, 568 .shutdown = qlcnic_82xx_shutdown, 569 .resume = qlcnic_82xx_resume, 570 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 571 }; 572 573 struct qlcnic_nic_template qlcnic_vf_ops = { 574 .config_bridged_mode = qlcnicvf_config_bridged_mode, 575 .config_led = qlcnicvf_config_led, 576 .start_firmware = qlcnicvf_start_firmware 577 }; 578 579 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 580 .read_crb = qlcnic_82xx_read_crb, 581 .write_crb = qlcnic_82xx_write_crb, 582 .read_reg = qlcnic_82xx_hw_read_wx_2M, 583 .write_reg = qlcnic_82xx_hw_write_wx_2M, 584 .get_mac_address = qlcnic_82xx_get_mac_address, 585 .setup_intr = qlcnic_82xx_setup_intr, 586 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 587 .mbx_cmd = qlcnic_82xx_issue_cmd, 588 .get_func_no = qlcnic_82xx_get_func_no, 589 .api_lock = qlcnic_82xx_api_lock, 590 .api_unlock = qlcnic_82xx_api_unlock, 591 .add_sysfs = qlcnic_82xx_add_sysfs, 592 .remove_sysfs = qlcnic_82xx_remove_sysfs, 593 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 594 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 595 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 596 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 597 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 598 .setup_link_event = qlcnic_82xx_linkevent_request, 599 .get_nic_info = qlcnic_82xx_get_nic_info, 600 .get_pci_info = qlcnic_82xx_get_pci_info, 601 .set_nic_info = qlcnic_82xx_set_nic_info, 602 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 603 .napi_enable = qlcnic_82xx_napi_enable, 604 .napi_disable = qlcnic_82xx_napi_disable, 605 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 606 .config_rss = qlcnic_82xx_config_rss, 607 .config_hw_lro = qlcnic_82xx_config_hw_lro, 608 .config_loopback = qlcnic_82xx_set_lb_mode, 609 .clear_loopback = qlcnic_82xx_clear_lb_mode, 610 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 611 .change_l2_filter = qlcnic_82xx_change_filter, 612 .get_board_info = qlcnic_82xx_get_board_info, 613 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 614 .free_mac_list = qlcnic_82xx_free_mac_list, 615 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 616 .io_error_detected = qlcnic_82xx_io_error_detected, 617 .io_slot_reset = qlcnic_82xx_io_slot_reset, 618 .io_resume = qlcnic_82xx_io_resume, 619 .get_beacon_state = qlcnic_82xx_get_beacon_state, 620 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 621 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 622 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 623 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 624 .get_saved_state = qlcnic_82xx_get_saved_state, 625 .set_saved_state = qlcnic_82xx_set_saved_state, 626 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 627 .get_cap_size = qlcnic_82xx_get_cap_size, 628 .set_sys_info = qlcnic_82xx_set_sys_info, 629 .store_cap_mask = qlcnic_82xx_store_cap_mask, 630 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 631 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 632 }; 633 634 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 635 { 636 struct qlcnic_hardware_context *ahw = adapter->ahw; 637 638 if (qlcnic_82xx_check(adapter) && 639 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 640 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 641 return 0; 642 } else { 643 return 1; 644 } 645 } 646 647 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 648 int queue_type) 649 { 650 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 651 652 if (queue_type == QLCNIC_RX_QUEUE) 653 max_rings = adapter->max_sds_rings; 654 else if (queue_type == QLCNIC_TX_QUEUE) 655 max_rings = adapter->max_tx_rings; 656 657 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 658 max_rings)); 659 660 if (ring_cnt > num_rings) 661 return num_rings; 662 else 663 return ring_cnt; 664 } 665 666 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 667 { 668 /* 83xx adapter does not have max_tx_rings intialized in probe */ 669 if (adapter->max_tx_rings) 670 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 671 QLCNIC_TX_QUEUE); 672 else 673 adapter->drv_tx_rings = tx_cnt; 674 } 675 676 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 677 { 678 /* 83xx adapter does not have max_sds_rings intialized in probe */ 679 if (adapter->max_sds_rings) 680 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 681 QLCNIC_RX_QUEUE); 682 else 683 adapter->drv_sds_rings = rx_cnt; 684 } 685 686 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 687 { 688 struct pci_dev *pdev = adapter->pdev; 689 int num_msix = 0, err = 0, vector; 690 691 adapter->flags &= ~QLCNIC_TSS_RSS; 692 693 if (adapter->drv_tss_rings > 0) 694 num_msix += adapter->drv_tss_rings; 695 else 696 num_msix += adapter->drv_tx_rings; 697 698 if (adapter->drv_rss_rings > 0) 699 num_msix += adapter->drv_rss_rings; 700 else 701 num_msix += adapter->drv_sds_rings; 702 703 if (qlcnic_83xx_check(adapter)) 704 num_msix += 1; 705 706 if (!adapter->msix_entries) { 707 adapter->msix_entries = kcalloc(num_msix, 708 sizeof(struct msix_entry), 709 GFP_KERNEL); 710 if (!adapter->msix_entries) 711 return -ENOMEM; 712 } 713 714 for (vector = 0; vector < num_msix; vector++) 715 adapter->msix_entries[vector].entry = vector; 716 717 restore: 718 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 719 if (err == -ENOSPC) { 720 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 721 return err; 722 723 netdev_info(adapter->netdev, 724 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 725 num_msix, err); 726 727 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 728 729 /* Set rings to 0 so we can restore original TSS/RSS count */ 730 adapter->drv_tss_rings = 0; 731 adapter->drv_rss_rings = 0; 732 733 if (qlcnic_83xx_check(adapter)) 734 num_msix += 1; 735 736 netdev_info(adapter->netdev, 737 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 738 adapter->drv_tx_rings, adapter->drv_sds_rings, 739 num_msix); 740 741 goto restore; 742 } else if (err < 0) { 743 return err; 744 } 745 746 adapter->ahw->num_msix = num_msix; 747 if (adapter->drv_tss_rings > 0) 748 adapter->drv_tx_rings = adapter->drv_tss_rings; 749 750 if (adapter->drv_rss_rings > 0) 751 adapter->drv_sds_rings = adapter->drv_rss_rings; 752 753 return 0; 754 } 755 756 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 757 { 758 struct pci_dev *pdev = adapter->pdev; 759 int err, vector; 760 761 if (!adapter->msix_entries) { 762 adapter->msix_entries = kcalloc(num_msix, 763 sizeof(struct msix_entry), 764 GFP_KERNEL); 765 if (!adapter->msix_entries) 766 return -ENOMEM; 767 } 768 769 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 770 771 if (adapter->ahw->msix_supported) { 772 enable_msix: 773 for (vector = 0; vector < num_msix; vector++) 774 adapter->msix_entries[vector].entry = vector; 775 776 err = pci_enable_msix_range(pdev, 777 adapter->msix_entries, 1, num_msix); 778 779 if (err == num_msix) { 780 adapter->flags |= QLCNIC_MSIX_ENABLED; 781 adapter->ahw->num_msix = num_msix; 782 dev_info(&pdev->dev, "using msi-x interrupts\n"); 783 return 0; 784 } else if (err > 0) { 785 pci_disable_msix(pdev); 786 787 dev_info(&pdev->dev, 788 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 789 num_msix, err); 790 791 if (qlcnic_82xx_check(adapter)) { 792 num_msix = rounddown_pow_of_two(err); 793 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 794 return -ENOSPC; 795 } else { 796 num_msix = rounddown_pow_of_two(err - 1); 797 num_msix += 1; 798 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 799 return -ENOSPC; 800 } 801 802 if (qlcnic_82xx_check(adapter) && 803 !qlcnic_check_multi_tx(adapter)) { 804 adapter->drv_sds_rings = num_msix; 805 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 806 } else { 807 /* Distribute vectors equally */ 808 adapter->drv_tx_rings = num_msix / 2; 809 adapter->drv_sds_rings = adapter->drv_tx_rings; 810 } 811 812 if (num_msix) { 813 dev_info(&pdev->dev, 814 "Trying to allocate %d MSI-X interrupt vectors\n", 815 num_msix); 816 goto enable_msix; 817 } 818 } else { 819 dev_info(&pdev->dev, 820 "Unable to allocate %d MSI-X vectors, err=%d\n", 821 num_msix, err); 822 return err; 823 } 824 } 825 826 return -EIO; 827 } 828 829 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 830 { 831 int num_msix; 832 833 num_msix = adapter->drv_sds_rings; 834 835 if (qlcnic_check_multi_tx(adapter)) 836 num_msix += adapter->drv_tx_rings; 837 else 838 num_msix += QLCNIC_SINGLE_RING; 839 840 return num_msix; 841 } 842 843 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 844 { 845 int err = 0; 846 u32 offset, mask_reg; 847 const struct qlcnic_legacy_intr_set *legacy_intrp; 848 struct qlcnic_hardware_context *ahw = adapter->ahw; 849 struct pci_dev *pdev = adapter->pdev; 850 851 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 852 adapter->flags |= QLCNIC_MSI_ENABLED; 853 offset = msi_tgt_status[adapter->ahw->pci_func]; 854 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 855 offset); 856 dev_info(&pdev->dev, "using msi interrupts\n"); 857 adapter->msix_entries[0].vector = pdev->irq; 858 return err; 859 } 860 861 if (qlcnic_use_msi || qlcnic_use_msi_x) 862 return -EOPNOTSUPP; 863 864 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 865 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 866 offset = legacy_intrp->tgt_status_reg; 867 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 868 mask_reg = legacy_intrp->tgt_mask_reg; 869 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 870 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 871 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 872 dev_info(&pdev->dev, "using legacy interrupts\n"); 873 adapter->msix_entries[0].vector = pdev->irq; 874 return err; 875 } 876 877 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 878 { 879 int num_msix, err = 0; 880 881 if (adapter->flags & QLCNIC_TSS_RSS) { 882 err = qlcnic_setup_tss_rss_intr(adapter); 883 if (err < 0) 884 return err; 885 num_msix = adapter->ahw->num_msix; 886 } else { 887 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 888 889 err = qlcnic_enable_msix(adapter, num_msix); 890 if (err == -ENOMEM) 891 return err; 892 893 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 894 qlcnic_disable_multi_tx(adapter); 895 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 896 897 err = qlcnic_enable_msi_legacy(adapter); 898 if (err) 899 return err; 900 } 901 } 902 903 return 0; 904 } 905 906 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 907 { 908 struct qlcnic_hardware_context *ahw = adapter->ahw; 909 int err, i; 910 911 if (qlcnic_check_multi_tx(adapter) && 912 !ahw->diag_test && 913 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 914 ahw->intr_tbl = 915 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 916 ahw->num_msix)); 917 if (!ahw->intr_tbl) 918 return -ENOMEM; 919 920 for (i = 0; i < ahw->num_msix; i++) { 921 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 922 ahw->intr_tbl[i].id = i; 923 ahw->intr_tbl[i].src = 0; 924 } 925 926 err = qlcnic_82xx_config_intrpt(adapter, 1); 927 if (err) 928 dev_err(&adapter->pdev->dev, 929 "Failed to configure Interrupt for %d vector\n", 930 ahw->num_msix); 931 return err; 932 } 933 934 return 0; 935 } 936 937 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 938 { 939 if (adapter->flags & QLCNIC_MSIX_ENABLED) 940 pci_disable_msix(adapter->pdev); 941 if (adapter->flags & QLCNIC_MSI_ENABLED) 942 pci_disable_msi(adapter->pdev); 943 944 kfree(adapter->msix_entries); 945 adapter->msix_entries = NULL; 946 947 if (adapter->ahw->intr_tbl) { 948 vfree(adapter->ahw->intr_tbl); 949 adapter->ahw->intr_tbl = NULL; 950 } 951 } 952 953 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 954 { 955 if (ahw->pci_base0 != NULL) 956 iounmap(ahw->pci_base0); 957 } 958 959 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 960 { 961 struct qlcnic_hardware_context *ahw = adapter->ahw; 962 struct qlcnic_pci_info *pci_info; 963 int ret; 964 965 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 966 switch (ahw->port_type) { 967 case QLCNIC_GBE: 968 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 969 break; 970 case QLCNIC_XGBE: 971 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 972 break; 973 } 974 return 0; 975 } 976 977 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 978 return 0; 979 980 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 981 if (!pci_info) 982 return -ENOMEM; 983 984 ret = qlcnic_get_pci_info(adapter, pci_info); 985 kfree(pci_info); 986 return ret; 987 } 988 989 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 990 { 991 bool ret = false; 992 993 if (qlcnic_84xx_check(adapter)) { 994 ret = true; 995 } else if (qlcnic_83xx_check(adapter)) { 996 if (adapter->ahw->extra_capability[0] & 997 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 998 ret = true; 999 else 1000 ret = false; 1001 } 1002 1003 return ret; 1004 } 1005 1006 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1007 { 1008 struct qlcnic_hardware_context *ahw = adapter->ahw; 1009 struct qlcnic_pci_info *pci_info; 1010 int i, id = 0, ret = 0, j = 0; 1011 u16 act_pci_func; 1012 u8 pfn; 1013 1014 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1015 if (!pci_info) 1016 return -ENOMEM; 1017 1018 ret = qlcnic_get_pci_info(adapter, pci_info); 1019 if (ret) 1020 goto err_pci_info; 1021 1022 act_pci_func = ahw->total_nic_func; 1023 1024 adapter->npars = kcalloc(act_pci_func, 1025 sizeof(struct qlcnic_npar_info), 1026 GFP_KERNEL); 1027 if (!adapter->npars) { 1028 ret = -ENOMEM; 1029 goto err_pci_info; 1030 } 1031 1032 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1033 sizeof(struct qlcnic_eswitch), 1034 GFP_KERNEL); 1035 if (!adapter->eswitch) { 1036 ret = -ENOMEM; 1037 goto err_npars; 1038 } 1039 1040 for (i = 0; i < ahw->max_vnic_func; i++) { 1041 pfn = pci_info[i].id; 1042 1043 if (pfn >= ahw->max_vnic_func) { 1044 ret = -EINVAL; 1045 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1046 __func__, pfn, ahw->max_vnic_func); 1047 goto err_eswitch; 1048 } 1049 1050 if (!pci_info[i].active || 1051 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1052 continue; 1053 1054 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1055 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1056 &id)) 1057 adapter->npars[j].eswitch_status = true; 1058 else 1059 continue; 1060 } else { 1061 adapter->npars[j].eswitch_status = true; 1062 } 1063 1064 adapter->npars[j].pci_func = pfn; 1065 adapter->npars[j].active = (u8)pci_info[i].active; 1066 adapter->npars[j].type = (u8)pci_info[i].type; 1067 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1068 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1069 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1070 1071 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1072 j++; 1073 } 1074 1075 /* Update eSwitch status for adapters without per port eSwitch 1076 * configuration capability 1077 */ 1078 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1079 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1080 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1081 } 1082 1083 kfree(pci_info); 1084 return 0; 1085 1086 err_eswitch: 1087 kfree(adapter->eswitch); 1088 adapter->eswitch = NULL; 1089 err_npars: 1090 kfree(adapter->npars); 1091 adapter->npars = NULL; 1092 err_pci_info: 1093 kfree(pci_info); 1094 1095 return ret; 1096 } 1097 1098 static int 1099 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1100 { 1101 u8 id; 1102 int ret; 1103 u32 data = QLCNIC_MGMT_FUNC; 1104 struct qlcnic_hardware_context *ahw = adapter->ahw; 1105 1106 ret = qlcnic_api_lock(adapter); 1107 if (ret) 1108 goto err_lock; 1109 1110 id = ahw->pci_func; 1111 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1112 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1113 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1114 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1115 qlcnic_api_unlock(adapter); 1116 err_lock: 1117 return ret; 1118 } 1119 1120 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1121 const struct pci_device_id *ent) 1122 { 1123 u32 op_mode, priv_level; 1124 1125 /* Determine FW API version */ 1126 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1127 QLCNIC_FW_API); 1128 1129 /* Find PCI function number */ 1130 qlcnic_get_func_no(adapter); 1131 1132 /* Determine function privilege level */ 1133 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1134 if (op_mode == QLC_DEV_DRV_DEFAULT) 1135 priv_level = QLCNIC_MGMT_FUNC; 1136 else 1137 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1138 1139 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1140 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1141 dev_info(&adapter->pdev->dev, 1142 "HAL Version: %d Non Privileged function\n", 1143 adapter->ahw->fw_hal_version); 1144 adapter->nic_ops = &qlcnic_vf_ops; 1145 } else 1146 adapter->nic_ops = &qlcnic_ops; 1147 } 1148 1149 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1150 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1151 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1152 { 1153 switch (dev_id) { 1154 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1155 *bar = QLCNIC_82XX_BAR0_LENGTH; 1156 break; 1157 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1158 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1159 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1162 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1163 *bar = QLCNIC_83XX_BAR0_LENGTH; 1164 break; 1165 default: 1166 *bar = 0; 1167 } 1168 } 1169 1170 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1171 struct qlcnic_hardware_context *ahw) 1172 { 1173 u32 offset; 1174 void __iomem *mem_ptr0 = NULL; 1175 unsigned long mem_len, pci_len0 = 0, bar0_len; 1176 1177 /* remap phys address */ 1178 mem_len = pci_resource_len(pdev, 0); 1179 1180 qlcnic_get_bar_length(pdev->device, &bar0_len); 1181 if (mem_len >= bar0_len) { 1182 1183 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1184 if (mem_ptr0 == NULL) { 1185 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1186 return -EIO; 1187 } 1188 pci_len0 = mem_len; 1189 } else { 1190 return -EIO; 1191 } 1192 1193 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1194 1195 ahw->pci_base0 = mem_ptr0; 1196 ahw->pci_len0 = pci_len0; 1197 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1198 qlcnic_get_ioaddr(ahw, offset); 1199 1200 return 0; 1201 } 1202 1203 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1204 int index) 1205 { 1206 struct pci_dev *pdev = adapter->pdev; 1207 unsigned short subsystem_vendor; 1208 bool ret = true; 1209 1210 subsystem_vendor = pdev->subsystem_vendor; 1211 1212 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1213 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1214 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1215 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1216 ret = true; 1217 else 1218 ret = false; 1219 } 1220 1221 return ret; 1222 } 1223 1224 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1225 { 1226 struct pci_dev *pdev = adapter->pdev; 1227 int i, found = 0; 1228 1229 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1230 if (qlcnic_boards[i].vendor == pdev->vendor && 1231 qlcnic_boards[i].device == pdev->device && 1232 qlcnic_validate_subsystem_id(adapter, i)) { 1233 found = 1; 1234 break; 1235 } 1236 } 1237 1238 if (!found) 1239 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1240 else 1241 sprintf(name, "%pM: %s" , adapter->mac_addr, 1242 qlcnic_boards[i].short_name); 1243 } 1244 1245 static void 1246 qlcnic_check_options(struct qlcnic_adapter *adapter) 1247 { 1248 int err; 1249 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1250 struct pci_dev *pdev = adapter->pdev; 1251 struct qlcnic_hardware_context *ahw = adapter->ahw; 1252 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1253 1254 prev_fw_version = adapter->fw_version; 1255 1256 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1257 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1258 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1259 1260 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1261 1262 err = qlcnic_get_board_info(adapter); 1263 if (err) { 1264 dev_err(&pdev->dev, "Error getting board config info.\n"); 1265 return; 1266 } 1267 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1268 if (fw_dump->tmpl_hdr == NULL || 1269 adapter->fw_version > prev_fw_version) { 1270 vfree(fw_dump->tmpl_hdr); 1271 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1272 dev_info(&pdev->dev, 1273 "Supports FW dump capability\n"); 1274 } 1275 } 1276 1277 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1278 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1279 1280 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1281 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1283 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1284 } else { 1285 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1286 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1287 } 1288 1289 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1290 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1291 1292 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1293 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1294 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1295 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1296 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1297 } 1298 1299 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1300 1301 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1302 1303 adapter->max_rds_rings = MAX_RDS_RINGS; 1304 } 1305 1306 static int 1307 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1308 { 1309 struct qlcnic_info nic_info; 1310 int err = 0; 1311 1312 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1313 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1314 if (err) 1315 return err; 1316 1317 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1318 adapter->ahw->switch_mode = nic_info.switch_mode; 1319 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1320 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1321 adapter->ahw->capabilities = nic_info.capabilities; 1322 1323 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1324 u32 temp; 1325 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1326 if (err == -EIO) 1327 return err; 1328 adapter->ahw->extra_capability[0] = temp; 1329 } else { 1330 adapter->ahw->extra_capability[0] = 0; 1331 } 1332 1333 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1334 adapter->ahw->max_mtu = nic_info.max_mtu; 1335 1336 if (adapter->ahw->capabilities & BIT_6) { 1337 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1338 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1339 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1340 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1341 1342 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1343 } else { 1344 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1345 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1346 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1347 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1348 } 1349 1350 return err; 1351 } 1352 1353 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1354 struct qlcnic_esw_func_cfg *esw_cfg) 1355 { 1356 if (esw_cfg->discard_tagged) 1357 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1358 else 1359 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1360 1361 if (esw_cfg->vlan_id) { 1362 adapter->rx_pvid = esw_cfg->vlan_id; 1363 adapter->tx_pvid = esw_cfg->vlan_id; 1364 } else { 1365 adapter->rx_pvid = 0; 1366 adapter->tx_pvid = 0; 1367 } 1368 } 1369 1370 static int 1371 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1372 { 1373 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1374 int err; 1375 1376 if (qlcnic_sriov_vf_check(adapter)) { 1377 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1378 if (err) { 1379 netdev_err(netdev, 1380 "Cannot add VLAN filter for VLAN id %d, err=%d", 1381 vid, err); 1382 return err; 1383 } 1384 } 1385 1386 set_bit(vid, adapter->vlans); 1387 return 0; 1388 } 1389 1390 static int 1391 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1392 { 1393 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1394 int err; 1395 1396 if (qlcnic_sriov_vf_check(adapter)) { 1397 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1398 if (err) { 1399 netdev_err(netdev, 1400 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1401 vid, err); 1402 return err; 1403 } 1404 } 1405 1406 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1407 clear_bit(vid, adapter->vlans); 1408 return 0; 1409 } 1410 1411 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1412 struct qlcnic_esw_func_cfg *esw_cfg) 1413 { 1414 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1415 QLCNIC_PROMISC_DISABLED); 1416 1417 if (esw_cfg->mac_anti_spoof) 1418 adapter->flags |= QLCNIC_MACSPOOF; 1419 1420 if (!esw_cfg->mac_override) 1421 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1422 1423 if (!esw_cfg->promisc_mode) 1424 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1425 } 1426 1427 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1428 { 1429 struct qlcnic_esw_func_cfg esw_cfg; 1430 1431 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1432 return 0; 1433 1434 esw_cfg.pci_func = adapter->ahw->pci_func; 1435 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1436 return -EIO; 1437 qlcnic_set_vlan_config(adapter, &esw_cfg); 1438 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1439 qlcnic_set_netdev_features(adapter, &esw_cfg); 1440 1441 return 0; 1442 } 1443 1444 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1445 struct qlcnic_esw_func_cfg *esw_cfg) 1446 { 1447 struct net_device *netdev = adapter->netdev; 1448 1449 if (qlcnic_83xx_check(adapter)) 1450 return; 1451 1452 adapter->offload_flags = esw_cfg->offload_flags; 1453 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1454 netdev_update_features(netdev); 1455 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1456 } 1457 1458 static int 1459 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1460 { 1461 u32 op_mode, priv_level; 1462 int err = 0; 1463 1464 err = qlcnic_initialize_nic(adapter); 1465 if (err) 1466 return err; 1467 1468 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1469 return 0; 1470 1471 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1472 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1473 1474 if (op_mode == QLC_DEV_DRV_DEFAULT) 1475 priv_level = QLCNIC_MGMT_FUNC; 1476 else 1477 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1478 1479 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1480 if (priv_level == QLCNIC_MGMT_FUNC) { 1481 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1482 err = qlcnic_init_pci_info(adapter); 1483 if (err) 1484 return err; 1485 /* Set privilege level for other functions */ 1486 qlcnic_set_function_modes(adapter); 1487 dev_info(&adapter->pdev->dev, 1488 "HAL Version: %d, Management function\n", 1489 adapter->ahw->fw_hal_version); 1490 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1491 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1492 dev_info(&adapter->pdev->dev, 1493 "HAL Version: %d, Privileged function\n", 1494 adapter->ahw->fw_hal_version); 1495 } 1496 } else { 1497 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1498 } 1499 1500 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1501 1502 return err; 1503 } 1504 1505 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1506 { 1507 struct qlcnic_esw_func_cfg esw_cfg; 1508 struct qlcnic_npar_info *npar; 1509 u8 i; 1510 1511 if (adapter->need_fw_reset) 1512 return 0; 1513 1514 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1515 if (!adapter->npars[i].eswitch_status) 1516 continue; 1517 1518 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1519 esw_cfg.pci_func = adapter->npars[i].pci_func; 1520 esw_cfg.mac_override = BIT_0; 1521 esw_cfg.promisc_mode = BIT_0; 1522 if (qlcnic_82xx_check(adapter)) { 1523 esw_cfg.offload_flags = BIT_0; 1524 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1525 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1526 } 1527 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1528 return -EIO; 1529 npar = &adapter->npars[i]; 1530 npar->pvid = esw_cfg.vlan_id; 1531 npar->mac_override = esw_cfg.mac_override; 1532 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1533 npar->discard_tagged = esw_cfg.discard_tagged; 1534 npar->promisc_mode = esw_cfg.promisc_mode; 1535 npar->offload_flags = esw_cfg.offload_flags; 1536 } 1537 1538 return 0; 1539 } 1540 1541 1542 static int 1543 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1544 struct qlcnic_npar_info *npar, int pci_func) 1545 { 1546 struct qlcnic_esw_func_cfg esw_cfg; 1547 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1548 esw_cfg.pci_func = pci_func; 1549 esw_cfg.vlan_id = npar->pvid; 1550 esw_cfg.mac_override = npar->mac_override; 1551 esw_cfg.discard_tagged = npar->discard_tagged; 1552 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1553 esw_cfg.offload_flags = npar->offload_flags; 1554 esw_cfg.promisc_mode = npar->promisc_mode; 1555 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1556 return -EIO; 1557 1558 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1559 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1560 return -EIO; 1561 1562 return 0; 1563 } 1564 1565 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1566 { 1567 int i, err; 1568 struct qlcnic_npar_info *npar; 1569 struct qlcnic_info nic_info; 1570 u8 pci_func; 1571 1572 if (qlcnic_82xx_check(adapter)) 1573 if (!adapter->need_fw_reset) 1574 return 0; 1575 1576 /* Set the NPAR config data after FW reset */ 1577 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1578 npar = &adapter->npars[i]; 1579 pci_func = npar->pci_func; 1580 if (!adapter->npars[i].eswitch_status) 1581 continue; 1582 1583 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1584 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1585 if (err) 1586 return err; 1587 nic_info.min_tx_bw = npar->min_bw; 1588 nic_info.max_tx_bw = npar->max_bw; 1589 err = qlcnic_set_nic_info(adapter, &nic_info); 1590 if (err) 1591 return err; 1592 1593 if (npar->enable_pm) { 1594 err = qlcnic_config_port_mirroring(adapter, 1595 npar->dest_npar, 1, 1596 pci_func); 1597 if (err) 1598 return err; 1599 } 1600 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1601 if (err) 1602 return err; 1603 } 1604 return 0; 1605 } 1606 1607 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1608 { 1609 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1610 u32 npar_state; 1611 1612 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1613 return 0; 1614 1615 npar_state = QLC_SHARED_REG_RD32(adapter, 1616 QLCNIC_CRB_DEV_NPAR_STATE); 1617 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1618 msleep(1000); 1619 npar_state = QLC_SHARED_REG_RD32(adapter, 1620 QLCNIC_CRB_DEV_NPAR_STATE); 1621 } 1622 if (!npar_opt_timeo) { 1623 dev_err(&adapter->pdev->dev, 1624 "Waiting for NPAR state to operational timeout\n"); 1625 return -EIO; 1626 } 1627 return 0; 1628 } 1629 1630 static int 1631 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1632 { 1633 int err; 1634 1635 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1636 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1637 return 0; 1638 1639 err = qlcnic_set_default_offload_settings(adapter); 1640 if (err) 1641 return err; 1642 1643 err = qlcnic_reset_npar_config(adapter); 1644 if (err) 1645 return err; 1646 1647 qlcnic_dev_set_npar_ready(adapter); 1648 1649 return err; 1650 } 1651 1652 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1653 { 1654 int err; 1655 1656 err = qlcnic_can_start_firmware(adapter); 1657 if (err < 0) 1658 return err; 1659 else if (!err) 1660 goto check_fw_status; 1661 1662 if (qlcnic_load_fw_file) 1663 qlcnic_request_firmware(adapter); 1664 else { 1665 err = qlcnic_check_flash_fw_ver(adapter); 1666 if (err) 1667 goto err_out; 1668 1669 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1670 } 1671 1672 err = qlcnic_need_fw_reset(adapter); 1673 if (err == 0) 1674 goto check_fw_status; 1675 1676 err = qlcnic_pinit_from_rom(adapter); 1677 if (err) 1678 goto err_out; 1679 1680 err = qlcnic_load_firmware(adapter); 1681 if (err) 1682 goto err_out; 1683 1684 qlcnic_release_firmware(adapter); 1685 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1686 1687 check_fw_status: 1688 err = qlcnic_check_fw_status(adapter); 1689 if (err) 1690 goto err_out; 1691 1692 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1693 qlcnic_idc_debug_info(adapter, 1); 1694 err = qlcnic_check_eswitch_mode(adapter); 1695 if (err) { 1696 dev_err(&adapter->pdev->dev, 1697 "Memory allocation failed for eswitch\n"); 1698 goto err_out; 1699 } 1700 err = qlcnic_set_mgmt_operations(adapter); 1701 if (err) 1702 goto err_out; 1703 1704 qlcnic_check_options(adapter); 1705 adapter->need_fw_reset = 0; 1706 1707 qlcnic_release_firmware(adapter); 1708 return 0; 1709 1710 err_out: 1711 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1712 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1713 1714 qlcnic_release_firmware(adapter); 1715 return err; 1716 } 1717 1718 static int 1719 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1720 { 1721 irq_handler_t handler; 1722 struct qlcnic_host_sds_ring *sds_ring; 1723 struct qlcnic_host_tx_ring *tx_ring; 1724 int err, ring, num_sds_rings; 1725 1726 unsigned long flags = 0; 1727 struct net_device *netdev = adapter->netdev; 1728 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1729 1730 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1731 if (qlcnic_82xx_check(adapter)) 1732 handler = qlcnic_tmp_intr; 1733 else 1734 handler = qlcnic_83xx_tmp_intr; 1735 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1736 flags |= IRQF_SHARED; 1737 1738 } else { 1739 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1740 handler = qlcnic_msix_intr; 1741 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1742 handler = qlcnic_msi_intr; 1743 else { 1744 flags |= IRQF_SHARED; 1745 if (qlcnic_82xx_check(adapter)) 1746 handler = qlcnic_intr; 1747 else 1748 handler = qlcnic_83xx_intr; 1749 } 1750 } 1751 adapter->irq = netdev->irq; 1752 1753 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1754 if (qlcnic_82xx_check(adapter) || 1755 (qlcnic_83xx_check(adapter) && 1756 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1757 num_sds_rings = adapter->drv_sds_rings; 1758 for (ring = 0; ring < num_sds_rings; ring++) { 1759 sds_ring = &recv_ctx->sds_rings[ring]; 1760 if (qlcnic_82xx_check(adapter) && 1761 !qlcnic_check_multi_tx(adapter) && 1762 (ring == (num_sds_rings - 1))) { 1763 if (!(adapter->flags & 1764 QLCNIC_MSIX_ENABLED)) 1765 snprintf(sds_ring->name, 1766 sizeof(sds_ring->name), 1767 "qlcnic"); 1768 else 1769 snprintf(sds_ring->name, 1770 sizeof(sds_ring->name), 1771 "%s-tx-0-rx-%d", 1772 netdev->name, ring); 1773 } else { 1774 snprintf(sds_ring->name, 1775 sizeof(sds_ring->name), 1776 "%s-rx-%d", 1777 netdev->name, ring); 1778 } 1779 err = request_irq(sds_ring->irq, handler, flags, 1780 sds_ring->name, sds_ring); 1781 if (err) 1782 return err; 1783 } 1784 } 1785 if ((qlcnic_82xx_check(adapter) && 1786 qlcnic_check_multi_tx(adapter)) || 1787 (qlcnic_83xx_check(adapter) && 1788 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1789 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1790 handler = qlcnic_msix_tx_intr; 1791 for (ring = 0; ring < adapter->drv_tx_rings; 1792 ring++) { 1793 tx_ring = &adapter->tx_ring[ring]; 1794 snprintf(tx_ring->name, sizeof(tx_ring->name), 1795 "%s-tx-%d", netdev->name, ring); 1796 err = request_irq(tx_ring->irq, handler, flags, 1797 tx_ring->name, tx_ring); 1798 if (err) 1799 return err; 1800 } 1801 } 1802 } 1803 return 0; 1804 } 1805 1806 static void 1807 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1808 { 1809 int ring; 1810 struct qlcnic_host_sds_ring *sds_ring; 1811 struct qlcnic_host_tx_ring *tx_ring; 1812 1813 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1814 1815 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1816 if (qlcnic_82xx_check(adapter) || 1817 (qlcnic_83xx_check(adapter) && 1818 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1819 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1820 sds_ring = &recv_ctx->sds_rings[ring]; 1821 free_irq(sds_ring->irq, sds_ring); 1822 } 1823 } 1824 if ((qlcnic_83xx_check(adapter) && 1825 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1826 (qlcnic_82xx_check(adapter) && 1827 qlcnic_check_multi_tx(adapter))) { 1828 for (ring = 0; ring < adapter->drv_tx_rings; 1829 ring++) { 1830 tx_ring = &adapter->tx_ring[ring]; 1831 if (tx_ring->irq) 1832 free_irq(tx_ring->irq, tx_ring); 1833 } 1834 } 1835 } 1836 } 1837 1838 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1839 { 1840 u32 capab = 0; 1841 1842 if (qlcnic_82xx_check(adapter)) { 1843 if (adapter->ahw->extra_capability[0] & 1844 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1845 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1846 } else { 1847 capab = adapter->ahw->capabilities; 1848 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1849 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1850 } 1851 } 1852 1853 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1854 { 1855 struct qlcnic_hardware_context *ahw = adapter->ahw; 1856 int err; 1857 1858 /* Initialize interrupt coalesce parameters */ 1859 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1860 1861 if (qlcnic_83xx_check(adapter)) { 1862 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1865 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1866 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1867 1868 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1869 } else { 1870 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1871 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1872 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1873 1874 err = qlcnic_82xx_set_rx_coalesce(adapter); 1875 } 1876 1877 return err; 1878 } 1879 1880 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1881 { 1882 int ring; 1883 struct qlcnic_host_rds_ring *rds_ring; 1884 1885 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1886 return -EIO; 1887 1888 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1889 return 0; 1890 1891 if (qlcnic_set_eswitch_port_config(adapter)) 1892 return -EIO; 1893 1894 qlcnic_get_lro_mss_capability(adapter); 1895 1896 if (qlcnic_fw_create_ctx(adapter)) 1897 return -EIO; 1898 1899 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1900 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1901 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1902 } 1903 1904 qlcnic_set_multi(netdev); 1905 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1906 1907 adapter->ahw->linkup = 0; 1908 1909 if (adapter->drv_sds_rings > 1) 1910 qlcnic_config_rss(adapter, 1); 1911 1912 qlcnic_config_def_intr_coalesce(adapter); 1913 1914 if (netdev->features & NETIF_F_LRO) 1915 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1916 1917 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1918 qlcnic_napi_enable(adapter); 1919 1920 qlcnic_linkevent_request(adapter, 1); 1921 1922 adapter->ahw->reset_context = 0; 1923 netif_tx_start_all_queues(netdev); 1924 return 0; 1925 } 1926 1927 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1928 { 1929 int err = 0; 1930 1931 rtnl_lock(); 1932 if (netif_running(netdev)) 1933 err = __qlcnic_up(adapter, netdev); 1934 rtnl_unlock(); 1935 1936 return err; 1937 } 1938 1939 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1940 { 1941 int ring; 1942 1943 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1944 return; 1945 1946 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1947 return; 1948 1949 smp_mb(); 1950 netif_carrier_off(netdev); 1951 adapter->ahw->linkup = 0; 1952 netif_tx_disable(netdev); 1953 1954 qlcnic_free_mac_list(adapter); 1955 1956 if (adapter->fhash.fnum) 1957 qlcnic_delete_lb_filters(adapter); 1958 1959 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1960 if (qlcnic_sriov_vf_check(adapter)) 1961 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1962 1963 qlcnic_napi_disable(adapter); 1964 1965 qlcnic_fw_destroy_ctx(adapter); 1966 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1967 1968 qlcnic_reset_rx_buffers_list(adapter); 1969 1970 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1971 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1972 } 1973 1974 /* Usage: During suspend and firmware recovery module */ 1975 1976 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1977 { 1978 rtnl_lock(); 1979 if (netif_running(netdev)) 1980 __qlcnic_down(adapter, netdev); 1981 rtnl_unlock(); 1982 1983 } 1984 1985 int 1986 qlcnic_attach(struct qlcnic_adapter *adapter) 1987 { 1988 struct net_device *netdev = adapter->netdev; 1989 struct pci_dev *pdev = adapter->pdev; 1990 int err; 1991 1992 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1993 return 0; 1994 1995 err = qlcnic_napi_add(adapter, netdev); 1996 if (err) 1997 return err; 1998 1999 err = qlcnic_alloc_sw_resources(adapter); 2000 if (err) { 2001 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2002 goto err_out_napi_del; 2003 } 2004 2005 err = qlcnic_alloc_hw_resources(adapter); 2006 if (err) { 2007 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2008 goto err_out_free_sw; 2009 } 2010 2011 err = qlcnic_request_irq(adapter); 2012 if (err) { 2013 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2014 goto err_out_free_hw; 2015 } 2016 2017 qlcnic_create_sysfs_entries(adapter); 2018 2019 if (qlcnic_encap_rx_offload(adapter)) 2020 udp_tunnel_get_rx_info(netdev); 2021 2022 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2023 return 0; 2024 2025 err_out_free_hw: 2026 qlcnic_free_hw_resources(adapter); 2027 err_out_free_sw: 2028 qlcnic_free_sw_resources(adapter); 2029 err_out_napi_del: 2030 qlcnic_napi_del(adapter); 2031 return err; 2032 } 2033 2034 void qlcnic_detach(struct qlcnic_adapter *adapter) 2035 { 2036 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2037 return; 2038 2039 qlcnic_remove_sysfs_entries(adapter); 2040 2041 qlcnic_free_hw_resources(adapter); 2042 qlcnic_release_rx_buffers(adapter); 2043 qlcnic_free_irq(adapter); 2044 qlcnic_napi_del(adapter); 2045 qlcnic_free_sw_resources(adapter); 2046 2047 adapter->is_up = 0; 2048 } 2049 2050 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2051 { 2052 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2053 struct qlcnic_host_sds_ring *sds_ring; 2054 int drv_tx_rings = adapter->drv_tx_rings; 2055 int ring; 2056 2057 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2058 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2059 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2060 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2061 qlcnic_disable_sds_intr(adapter, sds_ring); 2062 } 2063 } 2064 2065 qlcnic_fw_destroy_ctx(adapter); 2066 2067 qlcnic_detach(adapter); 2068 2069 adapter->ahw->diag_test = 0; 2070 adapter->drv_sds_rings = drv_sds_rings; 2071 adapter->drv_tx_rings = drv_tx_rings; 2072 2073 if (qlcnic_attach(adapter)) 2074 goto out; 2075 2076 if (netif_running(netdev)) 2077 __qlcnic_up(adapter, netdev); 2078 out: 2079 netif_device_attach(netdev); 2080 } 2081 2082 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2083 { 2084 struct qlcnic_hardware_context *ahw = adapter->ahw; 2085 int err = 0; 2086 2087 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2088 GFP_KERNEL); 2089 if (!adapter->recv_ctx) { 2090 err = -ENOMEM; 2091 goto err_out; 2092 } 2093 2094 if (qlcnic_83xx_check(adapter)) { 2095 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2096 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2097 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2098 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2099 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2100 } else { 2101 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2102 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2103 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2104 } 2105 2106 /* clear stats */ 2107 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2108 err_out: 2109 return err; 2110 } 2111 2112 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2113 { 2114 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2115 2116 kfree(adapter->recv_ctx); 2117 adapter->recv_ctx = NULL; 2118 2119 if (fw_dump->tmpl_hdr) { 2120 vfree(fw_dump->tmpl_hdr); 2121 fw_dump->tmpl_hdr = NULL; 2122 } 2123 2124 if (fw_dump->dma_buffer) { 2125 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2126 fw_dump->dma_buffer, fw_dump->phys_addr); 2127 fw_dump->dma_buffer = NULL; 2128 } 2129 2130 kfree(adapter->ahw->reset.buff); 2131 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2132 } 2133 2134 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2135 { 2136 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2137 struct qlcnic_host_sds_ring *sds_ring; 2138 struct qlcnic_host_rds_ring *rds_ring; 2139 int ring; 2140 int ret; 2141 2142 netif_device_detach(netdev); 2143 2144 if (netif_running(netdev)) 2145 __qlcnic_down(adapter, netdev); 2146 2147 qlcnic_detach(adapter); 2148 2149 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2150 adapter->ahw->diag_test = test; 2151 adapter->ahw->linkup = 0; 2152 2153 ret = qlcnic_attach(adapter); 2154 if (ret) { 2155 netif_device_attach(netdev); 2156 return ret; 2157 } 2158 2159 ret = qlcnic_fw_create_ctx(adapter); 2160 if (ret) { 2161 qlcnic_detach(adapter); 2162 netif_device_attach(netdev); 2163 return ret; 2164 } 2165 2166 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2167 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2168 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2169 } 2170 2171 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2172 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2173 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2174 qlcnic_enable_sds_intr(adapter, sds_ring); 2175 } 2176 } 2177 2178 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2179 adapter->ahw->loopback_state = 0; 2180 qlcnic_linkevent_request(adapter, 1); 2181 } 2182 2183 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2184 2185 return 0; 2186 } 2187 2188 /* Reset context in hardware only */ 2189 static int 2190 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2191 { 2192 struct net_device *netdev = adapter->netdev; 2193 2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2195 return -EBUSY; 2196 2197 netif_device_detach(netdev); 2198 2199 qlcnic_down(adapter, netdev); 2200 2201 qlcnic_up(adapter, netdev); 2202 2203 netif_device_attach(netdev); 2204 2205 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2206 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2207 return 0; 2208 } 2209 2210 int 2211 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2212 { 2213 int err = 0; 2214 struct net_device *netdev = adapter->netdev; 2215 2216 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2217 return -EBUSY; 2218 2219 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2220 2221 netif_device_detach(netdev); 2222 2223 if (netif_running(netdev)) 2224 __qlcnic_down(adapter, netdev); 2225 2226 qlcnic_detach(adapter); 2227 2228 if (netif_running(netdev)) { 2229 err = qlcnic_attach(adapter); 2230 if (!err) { 2231 __qlcnic_up(adapter, netdev); 2232 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2233 } 2234 } 2235 2236 netif_device_attach(netdev); 2237 } 2238 2239 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2240 return err; 2241 } 2242 2243 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2244 { 2245 struct qlcnic_hardware_context *ahw = adapter->ahw; 2246 u16 act_pci_fn = ahw->total_nic_func; 2247 u16 count; 2248 2249 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2250 if (act_pci_fn <= 2) 2251 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2252 act_pci_fn; 2253 else 2254 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2255 act_pci_fn; 2256 ahw->max_uc_count = count; 2257 } 2258 2259 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2260 u8 tx_queues, u8 rx_queues) 2261 { 2262 struct net_device *netdev = adapter->netdev; 2263 int err = 0; 2264 2265 if (tx_queues) { 2266 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2267 if (err) { 2268 netdev_err(netdev, "failed to set %d Tx queues\n", 2269 tx_queues); 2270 return err; 2271 } 2272 } 2273 2274 if (rx_queues) { 2275 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2276 if (err) 2277 netdev_err(netdev, "failed to set %d Rx queues\n", 2278 rx_queues); 2279 } 2280 2281 return err; 2282 } 2283 2284 int 2285 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2286 int pci_using_dac) 2287 { 2288 int err; 2289 struct pci_dev *pdev = adapter->pdev; 2290 2291 adapter->rx_csum = 1; 2292 adapter->ahw->mc_enabled = 0; 2293 qlcnic_set_mac_filter_count(adapter); 2294 2295 netdev->netdev_ops = &qlcnic_netdev_ops; 2296 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2297 2298 qlcnic_change_mtu(netdev, netdev->mtu); 2299 2300 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2301 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2302 2303 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2304 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2305 NETIF_F_HW_VLAN_CTAG_RX); 2306 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2307 NETIF_F_IPV6_CSUM); 2308 2309 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2310 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2311 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2312 } 2313 2314 if (pci_using_dac) { 2315 netdev->features |= NETIF_F_HIGHDMA; 2316 netdev->vlan_features |= NETIF_F_HIGHDMA; 2317 } 2318 2319 if (qlcnic_vlan_tx_check(adapter)) 2320 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2321 2322 if (qlcnic_sriov_vf_check(adapter)) 2323 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2324 2325 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2326 netdev->features |= NETIF_F_LRO; 2327 2328 if (qlcnic_encap_tx_offload(adapter)) { 2329 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2330 2331 /* encapsulation Tx offload supported by Adapter */ 2332 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2333 NETIF_F_GSO_UDP_TUNNEL | 2334 NETIF_F_TSO | 2335 NETIF_F_TSO6; 2336 } 2337 2338 if (qlcnic_encap_rx_offload(adapter)) 2339 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2340 2341 netdev->hw_features = netdev->features; 2342 netdev->priv_flags |= IFF_UNICAST_FLT; 2343 netdev->irq = adapter->msix_entries[0].vector; 2344 2345 /* MTU range: 68 - 9600 */ 2346 netdev->min_mtu = P3P_MIN_MTU; 2347 netdev->max_mtu = P3P_MAX_MTU; 2348 2349 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2350 adapter->drv_sds_rings); 2351 if (err) 2352 return err; 2353 2354 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2355 2356 err = register_netdev(netdev); 2357 if (err) { 2358 dev_err(&pdev->dev, "failed to register net device\n"); 2359 return err; 2360 } 2361 2362 return 0; 2363 } 2364 2365 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2366 { 2367 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2368 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2369 *pci_using_dac = 1; 2370 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2371 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2372 *pci_using_dac = 0; 2373 else { 2374 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2375 return -EIO; 2376 } 2377 2378 return 0; 2379 } 2380 2381 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2382 { 2383 int ring; 2384 struct qlcnic_host_tx_ring *tx_ring; 2385 2386 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2387 tx_ring = &adapter->tx_ring[ring]; 2388 if (tx_ring) { 2389 vfree(tx_ring->cmd_buf_arr); 2390 tx_ring->cmd_buf_arr = NULL; 2391 } 2392 } 2393 kfree(adapter->tx_ring); 2394 } 2395 2396 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2397 struct net_device *netdev) 2398 { 2399 int ring, vector, index; 2400 struct qlcnic_host_tx_ring *tx_ring; 2401 struct qlcnic_cmd_buffer *cmd_buf_arr; 2402 2403 tx_ring = kcalloc(adapter->drv_tx_rings, 2404 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2405 if (tx_ring == NULL) 2406 return -ENOMEM; 2407 2408 adapter->tx_ring = tx_ring; 2409 2410 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2411 tx_ring = &adapter->tx_ring[ring]; 2412 tx_ring->num_desc = adapter->num_txd; 2413 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2414 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2415 if (cmd_buf_arr == NULL) { 2416 qlcnic_free_tx_rings(adapter); 2417 return -ENOMEM; 2418 } 2419 tx_ring->cmd_buf_arr = cmd_buf_arr; 2420 spin_lock_init(&tx_ring->tx_clean_lock); 2421 } 2422 2423 if (qlcnic_83xx_check(adapter) || 2424 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2425 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2426 tx_ring = &adapter->tx_ring[ring]; 2427 tx_ring->adapter = adapter; 2428 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2429 index = adapter->drv_sds_rings + ring; 2430 vector = adapter->msix_entries[index].vector; 2431 tx_ring->irq = vector; 2432 } 2433 } 2434 } 2435 2436 return 0; 2437 } 2438 2439 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2440 { 2441 struct qlcnic_hardware_context *ahw = adapter->ahw; 2442 u32 fw_cmd = 0; 2443 2444 if (qlcnic_82xx_check(adapter)) 2445 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2446 else if (qlcnic_83xx_check(adapter)) 2447 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2448 2449 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2450 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2451 } 2452 2453 /* Reset firmware API lock */ 2454 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2455 { 2456 qlcnic_api_lock(adapter); 2457 qlcnic_api_unlock(adapter); 2458 } 2459 2460 2461 static int 2462 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2463 { 2464 struct net_device *netdev = NULL; 2465 struct qlcnic_adapter *adapter = NULL; 2466 struct qlcnic_hardware_context *ahw; 2467 int err, pci_using_dac = -1; 2468 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2469 2470 err = pci_enable_device(pdev); 2471 if (err) 2472 return err; 2473 2474 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2475 err = -ENODEV; 2476 goto err_out_disable_pdev; 2477 } 2478 2479 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2480 if (err) 2481 goto err_out_disable_pdev; 2482 2483 err = pci_request_regions(pdev, qlcnic_driver_name); 2484 if (err) 2485 goto err_out_disable_pdev; 2486 2487 pci_set_master(pdev); 2488 pci_enable_pcie_error_reporting(pdev); 2489 2490 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2491 if (!ahw) { 2492 err = -ENOMEM; 2493 goto err_out_free_res; 2494 } 2495 2496 switch (ent->device) { 2497 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2498 ahw->hw_ops = &qlcnic_hw_ops; 2499 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2500 break; 2501 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2502 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2503 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2504 qlcnic_83xx_register_map(ahw); 2505 break; 2506 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2507 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2508 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2509 qlcnic_sriov_vf_register_map(ahw); 2510 break; 2511 default: 2512 goto err_out_free_hw_res; 2513 } 2514 2515 err = qlcnic_setup_pci_map(pdev, ahw); 2516 if (err) 2517 goto err_out_free_hw_res; 2518 2519 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2520 QLCNIC_MAX_TX_RINGS); 2521 if (!netdev) { 2522 err = -ENOMEM; 2523 goto err_out_iounmap; 2524 } 2525 2526 SET_NETDEV_DEV(netdev, &pdev->dev); 2527 2528 adapter = netdev_priv(netdev); 2529 adapter->netdev = netdev; 2530 adapter->pdev = pdev; 2531 adapter->ahw = ahw; 2532 2533 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2534 if (adapter->qlcnic_wq == NULL) { 2535 err = -ENOMEM; 2536 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2537 goto err_out_free_netdev; 2538 } 2539 2540 err = qlcnic_alloc_adapter_resources(adapter); 2541 if (err) 2542 goto err_out_free_wq; 2543 2544 adapter->dev_rst_time = jiffies; 2545 ahw->revision_id = pdev->revision; 2546 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2547 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2548 adapter->fdb_mac_learn = true; 2549 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2550 adapter->drv_mac_learn = true; 2551 2552 rwlock_init(&adapter->ahw->crb_lock); 2553 mutex_init(&adapter->ahw->mem_lock); 2554 2555 INIT_LIST_HEAD(&adapter->mac_list); 2556 2557 qlcnic_register_dcb(adapter); 2558 2559 if (qlcnic_82xx_check(adapter)) { 2560 qlcnic_check_vf(adapter, ent); 2561 adapter->portnum = adapter->ahw->pci_func; 2562 qlcnic_reset_api_lock(adapter); 2563 err = qlcnic_start_firmware(adapter); 2564 if (err) { 2565 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2566 "\t\tIf reboot doesn't help, try flashing the card\n"); 2567 goto err_out_maintenance_mode; 2568 } 2569 2570 /* compute and set default and max tx/sds rings */ 2571 if (adapter->ahw->msix_supported) { 2572 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2573 qlcnic_set_tx_ring_count(adapter, 2574 QLCNIC_SINGLE_RING); 2575 else 2576 qlcnic_set_tx_ring_count(adapter, 2577 QLCNIC_DEF_TX_RINGS); 2578 qlcnic_set_sds_ring_count(adapter, 2579 QLCNIC_DEF_SDS_RINGS); 2580 } else { 2581 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2582 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2583 } 2584 2585 err = qlcnic_setup_idc_param(adapter); 2586 if (err) 2587 goto err_out_free_hw; 2588 2589 adapter->flags |= QLCNIC_NEED_FLR; 2590 2591 } else if (qlcnic_83xx_check(adapter)) { 2592 qlcnic_83xx_check_vf(adapter, ent); 2593 adapter->portnum = adapter->ahw->pci_func; 2594 err = qlcnic_83xx_init(adapter, pci_using_dac); 2595 if (err) { 2596 switch (err) { 2597 case -ENOTRECOVERABLE: 2598 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2599 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2600 goto err_out_free_hw; 2601 case -ENOMEM: 2602 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2603 goto err_out_free_hw; 2604 case -EOPNOTSUPP: 2605 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2606 goto err_out_free_hw; 2607 default: 2608 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2609 goto err_out_maintenance_mode; 2610 } 2611 } 2612 2613 if (qlcnic_sriov_vf_check(adapter)) 2614 return 0; 2615 } else { 2616 dev_err(&pdev->dev, 2617 "%s: failed. Please Reboot\n", __func__); 2618 err = -ENODEV; 2619 goto err_out_free_hw; 2620 } 2621 2622 if (qlcnic_read_mac_addr(adapter)) 2623 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2624 2625 qlcnic_read_phys_port_id(adapter); 2626 2627 if (adapter->portnum == 0) { 2628 qlcnic_get_board_name(adapter, board_name); 2629 2630 pr_info("%s: %s Board Chip rev 0x%x\n", 2631 module_name(THIS_MODULE), 2632 board_name, adapter->ahw->revision_id); 2633 } 2634 2635 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2636 !!qlcnic_use_msi) 2637 dev_warn(&pdev->dev, 2638 "Device does not support MSI interrupts\n"); 2639 2640 if (qlcnic_82xx_check(adapter)) { 2641 qlcnic_dcb_enable(adapter->dcb); 2642 qlcnic_dcb_get_info(adapter->dcb); 2643 err = qlcnic_setup_intr(adapter); 2644 2645 if (err) { 2646 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2647 goto err_out_disable_msi; 2648 } 2649 } 2650 2651 err = qlcnic_get_act_pci_func(adapter); 2652 if (err) 2653 goto err_out_disable_mbx_intr; 2654 2655 if (adapter->portnum == 0) 2656 qlcnic_set_drv_version(adapter); 2657 2658 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2659 if (err) 2660 goto err_out_disable_mbx_intr; 2661 2662 pci_set_drvdata(pdev, adapter); 2663 2664 if (qlcnic_82xx_check(adapter)) 2665 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2666 FW_POLL_DELAY); 2667 2668 switch (adapter->ahw->port_type) { 2669 case QLCNIC_GBE: 2670 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2671 adapter->netdev->name); 2672 break; 2673 case QLCNIC_XGBE: 2674 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2675 adapter->netdev->name); 2676 break; 2677 } 2678 2679 if (adapter->drv_mac_learn) 2680 qlcnic_alloc_lb_filters_mem(adapter); 2681 2682 qlcnic_add_sysfs(adapter); 2683 qlcnic_register_hwmon_dev(adapter); 2684 return 0; 2685 2686 err_out_disable_mbx_intr: 2687 if (qlcnic_83xx_check(adapter)) 2688 qlcnic_83xx_free_mbx_intr(adapter); 2689 2690 err_out_disable_msi: 2691 qlcnic_teardown_intr(adapter); 2692 qlcnic_cancel_idc_work(adapter); 2693 qlcnic_clr_all_drv_state(adapter, 0); 2694 2695 err_out_free_hw: 2696 qlcnic_free_adapter_resources(adapter); 2697 2698 err_out_free_wq: 2699 destroy_workqueue(adapter->qlcnic_wq); 2700 2701 err_out_free_netdev: 2702 free_netdev(netdev); 2703 2704 err_out_iounmap: 2705 qlcnic_cleanup_pci_map(ahw); 2706 2707 err_out_free_hw_res: 2708 kfree(ahw); 2709 2710 err_out_free_res: 2711 pci_release_regions(pdev); 2712 2713 err_out_disable_pdev: 2714 pci_disable_device(pdev); 2715 return err; 2716 2717 err_out_maintenance_mode: 2718 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2719 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2720 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2721 ahw->port_type = QLCNIC_XGBE; 2722 2723 if (qlcnic_83xx_check(adapter)) 2724 adapter->tgt_status_reg = NULL; 2725 else 2726 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2727 2728 err = register_netdev(netdev); 2729 2730 if (err) { 2731 dev_err(&pdev->dev, "Failed to register net device\n"); 2732 qlcnic_clr_all_drv_state(adapter, 0); 2733 goto err_out_free_hw; 2734 } 2735 2736 pci_set_drvdata(pdev, adapter); 2737 qlcnic_add_sysfs(adapter); 2738 2739 return 0; 2740 } 2741 2742 static void qlcnic_remove(struct pci_dev *pdev) 2743 { 2744 struct qlcnic_adapter *adapter; 2745 struct net_device *netdev; 2746 struct qlcnic_hardware_context *ahw; 2747 2748 adapter = pci_get_drvdata(pdev); 2749 if (adapter == NULL) 2750 return; 2751 2752 netdev = adapter->netdev; 2753 2754 qlcnic_cancel_idc_work(adapter); 2755 qlcnic_sriov_pf_disable(adapter); 2756 ahw = adapter->ahw; 2757 2758 unregister_netdev(netdev); 2759 qlcnic_sriov_cleanup(adapter); 2760 2761 if (qlcnic_83xx_check(adapter)) { 2762 qlcnic_83xx_initialize_nic(adapter, 0); 2763 cancel_delayed_work_sync(&adapter->idc_aen_work); 2764 qlcnic_83xx_free_mbx_intr(adapter); 2765 qlcnic_83xx_detach_mailbox_work(adapter); 2766 qlcnic_83xx_free_mailbox(ahw->mailbox); 2767 kfree(ahw->fw_info); 2768 } 2769 2770 qlcnic_dcb_free(adapter->dcb); 2771 qlcnic_detach(adapter); 2772 kfree(adapter->npars); 2773 kfree(adapter->eswitch); 2774 2775 if (qlcnic_82xx_check(adapter)) 2776 qlcnic_clr_all_drv_state(adapter, 0); 2777 2778 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2779 2780 qlcnic_free_lb_filters_mem(adapter); 2781 2782 qlcnic_teardown_intr(adapter); 2783 2784 qlcnic_remove_sysfs(adapter); 2785 2786 qlcnic_unregister_hwmon_dev(adapter); 2787 2788 qlcnic_cleanup_pci_map(adapter->ahw); 2789 2790 qlcnic_release_firmware(adapter); 2791 2792 pci_disable_pcie_error_reporting(pdev); 2793 pci_release_regions(pdev); 2794 pci_disable_device(pdev); 2795 2796 if (adapter->qlcnic_wq) { 2797 destroy_workqueue(adapter->qlcnic_wq); 2798 adapter->qlcnic_wq = NULL; 2799 } 2800 2801 qlcnic_free_adapter_resources(adapter); 2802 kfree(ahw); 2803 free_netdev(netdev); 2804 } 2805 2806 static void qlcnic_shutdown(struct pci_dev *pdev) 2807 { 2808 if (__qlcnic_shutdown(pdev)) 2809 return; 2810 2811 pci_disable_device(pdev); 2812 } 2813 2814 #ifdef CONFIG_PM 2815 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2816 { 2817 int retval; 2818 2819 retval = __qlcnic_shutdown(pdev); 2820 if (retval) 2821 return retval; 2822 2823 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2824 return 0; 2825 } 2826 2827 static int qlcnic_resume(struct pci_dev *pdev) 2828 { 2829 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2830 int err; 2831 2832 err = pci_enable_device(pdev); 2833 if (err) 2834 return err; 2835 2836 pci_set_power_state(pdev, PCI_D0); 2837 pci_set_master(pdev); 2838 pci_restore_state(pdev); 2839 2840 return __qlcnic_resume(adapter); 2841 } 2842 #endif 2843 2844 static int qlcnic_open(struct net_device *netdev) 2845 { 2846 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2847 int err; 2848 2849 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2850 netdev_err(netdev, "%s: Device is in non-operational state\n", 2851 __func__); 2852 2853 return -EIO; 2854 } 2855 2856 netif_carrier_off(netdev); 2857 2858 err = qlcnic_attach(adapter); 2859 if (err) 2860 return err; 2861 2862 err = __qlcnic_up(adapter, netdev); 2863 if (err) 2864 qlcnic_detach(adapter); 2865 2866 return err; 2867 } 2868 2869 /* 2870 * qlcnic_close - Disables a network interface entry point 2871 */ 2872 static int qlcnic_close(struct net_device *netdev) 2873 { 2874 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2875 2876 __qlcnic_down(adapter, netdev); 2877 2878 return 0; 2879 } 2880 2881 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2882 2883 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2884 { 2885 void *head; 2886 int i; 2887 struct net_device *netdev = adapter->netdev; 2888 u32 filter_size = 0; 2889 u16 act_pci_func = 0; 2890 2891 if (adapter->fhash.fmax && adapter->fhash.fhead) 2892 return; 2893 2894 act_pci_func = adapter->ahw->total_nic_func; 2895 spin_lock_init(&adapter->mac_learn_lock); 2896 spin_lock_init(&adapter->rx_mac_learn_lock); 2897 2898 if (qlcnic_sriov_vf_check(adapter)) { 2899 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2900 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2901 } else if (qlcnic_82xx_check(adapter)) { 2902 filter_size = QLCNIC_LB_MAX_FILTERS; 2903 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2904 } else { 2905 filter_size = QLC_83XX_LB_MAX_FILTERS; 2906 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2907 } 2908 2909 head = kcalloc(adapter->fhash.fbucket_size, 2910 sizeof(struct hlist_head), GFP_ATOMIC); 2911 2912 if (!head) 2913 return; 2914 2915 adapter->fhash.fmax = (filter_size / act_pci_func); 2916 adapter->fhash.fhead = head; 2917 2918 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2919 act_pci_func, adapter->fhash.fmax); 2920 2921 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2922 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2923 2924 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2925 2926 head = kcalloc(adapter->rx_fhash.fbucket_size, 2927 sizeof(struct hlist_head), GFP_ATOMIC); 2928 2929 if (!head) 2930 return; 2931 2932 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2933 adapter->rx_fhash.fhead = head; 2934 2935 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2936 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2937 } 2938 2939 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2940 { 2941 if (adapter->fhash.fmax) 2942 kfree(adapter->fhash.fhead); 2943 2944 adapter->fhash.fhead = NULL; 2945 adapter->fhash.fmax = 0; 2946 2947 if (adapter->rx_fhash.fmax) 2948 kfree(adapter->rx_fhash.fhead); 2949 2950 adapter->rx_fhash.fmax = 0; 2951 adapter->rx_fhash.fhead = NULL; 2952 } 2953 2954 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2955 { 2956 struct net_device *netdev = adapter->netdev; 2957 u32 temp_state, temp_val, temp = 0; 2958 int rv = 0; 2959 2960 if (qlcnic_83xx_check(adapter)) 2961 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2962 2963 if (qlcnic_82xx_check(adapter)) 2964 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2965 2966 temp_state = qlcnic_get_temp_state(temp); 2967 temp_val = qlcnic_get_temp_val(temp); 2968 2969 if (temp_state == QLCNIC_TEMP_PANIC) { 2970 dev_err(&netdev->dev, 2971 "Device temperature %d degrees C exceeds" 2972 " maximum allowed. Hardware has been shut down.\n", 2973 temp_val); 2974 rv = 1; 2975 } else if (temp_state == QLCNIC_TEMP_WARN) { 2976 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2977 dev_err(&netdev->dev, 2978 "Device temperature %d degrees C " 2979 "exceeds operating range." 2980 " Immediate action needed.\n", 2981 temp_val); 2982 } 2983 } else { 2984 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2985 dev_info(&netdev->dev, 2986 "Device temperature is now %d degrees C" 2987 " in normal range.\n", temp_val); 2988 } 2989 } 2990 adapter->ahw->temp = temp_state; 2991 return rv; 2992 } 2993 2994 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2995 { 2996 int i; 2997 2998 for (i = 0; i < tx_ring->num_desc; i++) { 2999 pr_info("TX Desc: %d\n", i); 3000 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 3001 &tx_ring->desc_head[i], 3002 sizeof(struct cmd_desc_type0), true); 3003 } 3004 } 3005 3006 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3007 { 3008 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3009 struct net_device *netdev = adapter->netdev; 3010 struct qlcnic_host_rds_ring *rds_ring; 3011 struct qlcnic_host_sds_ring *sds_ring; 3012 struct qlcnic_host_tx_ring *tx_ring; 3013 int ring; 3014 3015 if (!netdev || !netif_running(netdev)) 3016 return; 3017 3018 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3019 rds_ring = &recv_ctx->rds_rings[ring]; 3020 if (!rds_ring) 3021 continue; 3022 netdev_info(netdev, 3023 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3024 ring, readl(rds_ring->crb_rcv_producer), 3025 rds_ring->producer, rds_ring->num_desc); 3026 } 3027 3028 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3029 sds_ring = &(recv_ctx->sds_rings[ring]); 3030 if (!sds_ring) 3031 continue; 3032 netdev_info(netdev, 3033 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3034 ring, readl(sds_ring->crb_sts_consumer), 3035 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3036 sds_ring->num_desc); 3037 } 3038 3039 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3040 tx_ring = &adapter->tx_ring[ring]; 3041 if (!tx_ring) 3042 continue; 3043 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3044 ring, tx_ring->ctx_id); 3045 netdev_info(netdev, 3046 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3047 tx_ring->tx_stats.xmit_finished, 3048 tx_ring->tx_stats.xmit_called, 3049 tx_ring->tx_stats.xmit_on, 3050 tx_ring->tx_stats.xmit_off); 3051 3052 if (tx_ring->crb_intr_mask) 3053 netdev_info(netdev, "crb_intr_mask=%d\n", 3054 readl(tx_ring->crb_intr_mask)); 3055 3056 netdev_info(netdev, 3057 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3058 readl(tx_ring->crb_cmd_producer), 3059 tx_ring->producer, tx_ring->sw_consumer, 3060 le32_to_cpu(*(tx_ring->hw_consumer))); 3061 3062 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3063 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3064 3065 if (netif_msg_tx_err(adapter->ahw)) 3066 dump_tx_ring_desc(tx_ring); 3067 } 3068 3069 } 3070 3071 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) 3072 { 3073 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3074 3075 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3076 return; 3077 3078 qlcnic_dump_rings(adapter); 3079 3080 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3081 netif_msg_tx_err(adapter->ahw)) { 3082 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3083 if (qlcnic_82xx_check(adapter)) 3084 adapter->need_fw_reset = 1; 3085 else if (qlcnic_83xx_check(adapter)) 3086 qlcnic_83xx_idc_request_reset(adapter, 3087 QLCNIC_FORCE_FW_DUMP_KEY); 3088 } else { 3089 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3090 adapter->ahw->reset_context = 1; 3091 } 3092 } 3093 3094 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3095 { 3096 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3097 struct net_device_stats *stats = &netdev->stats; 3098 3099 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3100 qlcnic_update_stats(adapter); 3101 3102 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3103 stats->tx_packets = adapter->stats.xmitfinished; 3104 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3105 stats->tx_bytes = adapter->stats.txbytes; 3106 stats->rx_dropped = adapter->stats.rxdropped; 3107 stats->tx_dropped = adapter->stats.txdropped; 3108 3109 return stats; 3110 } 3111 3112 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3113 { 3114 u32 status; 3115 3116 status = readl(adapter->isr_int_vec); 3117 3118 if (!(status & adapter->ahw->int_vec_bit)) 3119 return IRQ_NONE; 3120 3121 /* check interrupt state machine, to be sure */ 3122 status = readl(adapter->crb_int_state_reg); 3123 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3124 return IRQ_NONE; 3125 3126 writel(0xffffffff, adapter->tgt_status_reg); 3127 /* read twice to ensure write is flushed */ 3128 readl(adapter->isr_int_vec); 3129 readl(adapter->isr_int_vec); 3130 3131 return IRQ_HANDLED; 3132 } 3133 3134 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3135 { 3136 struct qlcnic_host_sds_ring *sds_ring = data; 3137 struct qlcnic_adapter *adapter = sds_ring->adapter; 3138 3139 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3140 goto done; 3141 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3142 writel(0xffffffff, adapter->tgt_status_reg); 3143 goto done; 3144 } 3145 3146 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3147 return IRQ_NONE; 3148 3149 done: 3150 adapter->ahw->diag_cnt++; 3151 qlcnic_enable_sds_intr(adapter, sds_ring); 3152 return IRQ_HANDLED; 3153 } 3154 3155 static irqreturn_t qlcnic_intr(int irq, void *data) 3156 { 3157 struct qlcnic_host_sds_ring *sds_ring = data; 3158 struct qlcnic_adapter *adapter = sds_ring->adapter; 3159 3160 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3161 return IRQ_NONE; 3162 3163 napi_schedule(&sds_ring->napi); 3164 3165 return IRQ_HANDLED; 3166 } 3167 3168 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3169 { 3170 struct qlcnic_host_sds_ring *sds_ring = data; 3171 struct qlcnic_adapter *adapter = sds_ring->adapter; 3172 3173 /* clear interrupt */ 3174 writel(0xffffffff, adapter->tgt_status_reg); 3175 3176 napi_schedule(&sds_ring->napi); 3177 return IRQ_HANDLED; 3178 } 3179 3180 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3181 { 3182 struct qlcnic_host_sds_ring *sds_ring = data; 3183 3184 napi_schedule(&sds_ring->napi); 3185 return IRQ_HANDLED; 3186 } 3187 3188 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3189 { 3190 struct qlcnic_host_tx_ring *tx_ring = data; 3191 3192 napi_schedule(&tx_ring->napi); 3193 return IRQ_HANDLED; 3194 } 3195 3196 static void 3197 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3198 { 3199 u32 val; 3200 3201 val = adapter->portnum & 0xf; 3202 val |= encoding << 7; 3203 val |= (jiffies - adapter->dev_rst_time) << 8; 3204 3205 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3206 adapter->dev_rst_time = jiffies; 3207 } 3208 3209 static int 3210 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3211 { 3212 u32 val; 3213 3214 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3215 state != QLCNIC_DEV_NEED_QUISCENT); 3216 3217 if (qlcnic_api_lock(adapter)) 3218 return -EIO; 3219 3220 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3221 3222 if (state == QLCNIC_DEV_NEED_RESET) 3223 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3224 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3225 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3226 3227 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3228 3229 qlcnic_api_unlock(adapter); 3230 3231 return 0; 3232 } 3233 3234 static int 3235 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3236 { 3237 u32 val; 3238 3239 if (qlcnic_api_lock(adapter)) 3240 return -EBUSY; 3241 3242 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3243 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3244 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3245 3246 qlcnic_api_unlock(adapter); 3247 3248 return 0; 3249 } 3250 3251 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3252 { 3253 u32 val; 3254 3255 if (qlcnic_api_lock(adapter)) 3256 goto err; 3257 3258 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3259 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3260 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3261 3262 if (failed) { 3263 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3264 QLCNIC_DEV_FAILED); 3265 dev_info(&adapter->pdev->dev, 3266 "Device state set to Failed. Please Reboot\n"); 3267 } else if (!(val & 0x11111111)) 3268 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3269 QLCNIC_DEV_COLD); 3270 3271 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3272 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3273 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3274 3275 qlcnic_api_unlock(adapter); 3276 err: 3277 adapter->fw_fail_cnt = 0; 3278 adapter->flags &= ~QLCNIC_FW_HANG; 3279 clear_bit(__QLCNIC_START_FW, &adapter->state); 3280 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3281 } 3282 3283 /* Grab api lock, before checking state */ 3284 static int 3285 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3286 { 3287 int act, state, active_mask; 3288 struct qlcnic_hardware_context *ahw = adapter->ahw; 3289 3290 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3291 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3292 3293 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3294 active_mask = (~(1 << (ahw->pci_func * 4))); 3295 act = act & active_mask; 3296 } 3297 3298 if (((state & 0x11111111) == (act & 0x11111111)) || 3299 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3300 return 0; 3301 else 3302 return 1; 3303 } 3304 3305 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3306 { 3307 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3308 3309 if (val != QLCNIC_DRV_IDC_VER) { 3310 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3311 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3312 } 3313 3314 return 0; 3315 } 3316 3317 static int 3318 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3319 { 3320 u32 val, prev_state; 3321 u8 dev_init_timeo = adapter->dev_init_timeo; 3322 u8 portnum = adapter->portnum; 3323 u8 ret; 3324 3325 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3326 return 1; 3327 3328 if (qlcnic_api_lock(adapter)) 3329 return -1; 3330 3331 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3332 if (!(val & (1 << (portnum * 4)))) { 3333 QLC_DEV_SET_REF_CNT(val, portnum); 3334 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3335 } 3336 3337 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3338 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3339 3340 switch (prev_state) { 3341 case QLCNIC_DEV_COLD: 3342 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3343 QLCNIC_DEV_INITIALIZING); 3344 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3345 QLCNIC_DRV_IDC_VER); 3346 qlcnic_idc_debug_info(adapter, 0); 3347 qlcnic_api_unlock(adapter); 3348 return 1; 3349 3350 case QLCNIC_DEV_READY: 3351 ret = qlcnic_check_idc_ver(adapter); 3352 qlcnic_api_unlock(adapter); 3353 return ret; 3354 3355 case QLCNIC_DEV_NEED_RESET: 3356 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3357 QLC_DEV_SET_RST_RDY(val, portnum); 3358 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3359 break; 3360 3361 case QLCNIC_DEV_NEED_QUISCENT: 3362 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3363 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3365 break; 3366 3367 case QLCNIC_DEV_FAILED: 3368 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3369 qlcnic_api_unlock(adapter); 3370 return -1; 3371 3372 case QLCNIC_DEV_INITIALIZING: 3373 case QLCNIC_DEV_QUISCENT: 3374 break; 3375 } 3376 3377 qlcnic_api_unlock(adapter); 3378 3379 do { 3380 msleep(1000); 3381 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3382 3383 if (prev_state == QLCNIC_DEV_QUISCENT) 3384 continue; 3385 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3386 3387 if (!dev_init_timeo) { 3388 dev_err(&adapter->pdev->dev, 3389 "Waiting for device to initialize timeout\n"); 3390 return -1; 3391 } 3392 3393 if (qlcnic_api_lock(adapter)) 3394 return -1; 3395 3396 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3397 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3398 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3399 3400 ret = qlcnic_check_idc_ver(adapter); 3401 qlcnic_api_unlock(adapter); 3402 3403 return ret; 3404 } 3405 3406 static void 3407 qlcnic_fwinit_work(struct work_struct *work) 3408 { 3409 struct qlcnic_adapter *adapter = container_of(work, 3410 struct qlcnic_adapter, fw_work.work); 3411 u32 dev_state = 0xf; 3412 u32 val; 3413 3414 if (qlcnic_api_lock(adapter)) 3415 goto err_ret; 3416 3417 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3418 if (dev_state == QLCNIC_DEV_QUISCENT || 3419 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3420 qlcnic_api_unlock(adapter); 3421 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3422 FW_POLL_DELAY * 2); 3423 return; 3424 } 3425 3426 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3427 qlcnic_api_unlock(adapter); 3428 goto wait_npar; 3429 } 3430 3431 if (dev_state == QLCNIC_DEV_INITIALIZING || 3432 dev_state == QLCNIC_DEV_READY) { 3433 dev_info(&adapter->pdev->dev, "Detected state change from " 3434 "DEV_NEED_RESET, skipping ack check\n"); 3435 goto skip_ack_check; 3436 } 3437 3438 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3439 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3440 adapter->reset_ack_timeo); 3441 goto skip_ack_check; 3442 } 3443 3444 if (!qlcnic_check_drv_state(adapter)) { 3445 skip_ack_check: 3446 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3447 3448 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3449 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3450 QLCNIC_DEV_INITIALIZING); 3451 set_bit(__QLCNIC_START_FW, &adapter->state); 3452 QLCDB(adapter, DRV, "Restarting fw\n"); 3453 qlcnic_idc_debug_info(adapter, 0); 3454 val = QLC_SHARED_REG_RD32(adapter, 3455 QLCNIC_CRB_DRV_STATE); 3456 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3457 QLC_SHARED_REG_WR32(adapter, 3458 QLCNIC_CRB_DRV_STATE, val); 3459 } 3460 3461 qlcnic_api_unlock(adapter); 3462 3463 rtnl_lock(); 3464 if (qlcnic_check_fw_dump_state(adapter) && 3465 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3466 QLCDB(adapter, DRV, "Take FW dump\n"); 3467 qlcnic_dump_fw(adapter); 3468 adapter->flags |= QLCNIC_FW_HANG; 3469 } 3470 rtnl_unlock(); 3471 3472 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3473 if (!adapter->nic_ops->start_firmware(adapter)) { 3474 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3475 adapter->fw_wait_cnt = 0; 3476 return; 3477 } 3478 goto err_ret; 3479 } 3480 3481 qlcnic_api_unlock(adapter); 3482 3483 wait_npar: 3484 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3485 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3486 3487 switch (dev_state) { 3488 case QLCNIC_DEV_READY: 3489 if (!qlcnic_start_firmware(adapter)) { 3490 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3491 adapter->fw_wait_cnt = 0; 3492 return; 3493 } 3494 case QLCNIC_DEV_FAILED: 3495 break; 3496 default: 3497 qlcnic_schedule_work(adapter, 3498 qlcnic_fwinit_work, FW_POLL_DELAY); 3499 return; 3500 } 3501 3502 err_ret: 3503 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3504 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3505 netif_device_attach(adapter->netdev); 3506 qlcnic_clr_all_drv_state(adapter, 0); 3507 } 3508 3509 static void 3510 qlcnic_detach_work(struct work_struct *work) 3511 { 3512 struct qlcnic_adapter *adapter = container_of(work, 3513 struct qlcnic_adapter, fw_work.work); 3514 struct net_device *netdev = adapter->netdev; 3515 u32 status; 3516 3517 netif_device_detach(netdev); 3518 3519 /* Dont grab rtnl lock during Quiscent mode */ 3520 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3521 if (netif_running(netdev)) 3522 __qlcnic_down(adapter, netdev); 3523 } else 3524 qlcnic_down(adapter, netdev); 3525 3526 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3527 3528 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3529 dev_err(&adapter->pdev->dev, 3530 "Detaching the device: peg halt status1=0x%x\n", 3531 status); 3532 3533 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3534 dev_err(&adapter->pdev->dev, 3535 "On board active cooling fan failed. " 3536 "Device has been halted.\n"); 3537 dev_err(&adapter->pdev->dev, 3538 "Replace the adapter.\n"); 3539 } 3540 3541 goto err_ret; 3542 } 3543 3544 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3545 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3546 adapter->ahw->temp); 3547 goto err_ret; 3548 } 3549 3550 /* Dont ack if this instance is the reset owner */ 3551 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3552 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3553 dev_err(&adapter->pdev->dev, 3554 "Failed to set driver state," 3555 "detaching the device.\n"); 3556 goto err_ret; 3557 } 3558 } 3559 3560 adapter->fw_wait_cnt = 0; 3561 3562 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3563 3564 return; 3565 3566 err_ret: 3567 netif_device_attach(netdev); 3568 qlcnic_clr_all_drv_state(adapter, 1); 3569 } 3570 3571 /*Transit NPAR state to NON Operational */ 3572 static void 3573 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3574 { 3575 u32 state; 3576 3577 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3578 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3579 return; 3580 3581 if (qlcnic_api_lock(adapter)) 3582 return; 3583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3584 QLCNIC_DEV_NPAR_NON_OPER); 3585 qlcnic_api_unlock(adapter); 3586 } 3587 3588 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3589 u32 key) 3590 { 3591 u32 state, xg_val = 0, gb_val = 0; 3592 3593 qlcnic_xg_set_xg0_mask(xg_val); 3594 qlcnic_xg_set_xg1_mask(xg_val); 3595 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3596 qlcnic_gb_set_gb0_mask(gb_val); 3597 qlcnic_gb_set_gb1_mask(gb_val); 3598 qlcnic_gb_set_gb2_mask(gb_val); 3599 qlcnic_gb_set_gb3_mask(gb_val); 3600 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3601 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3602 " on all ports\n"); 3603 adapter->need_fw_reset = 1; 3604 3605 if (qlcnic_api_lock(adapter)) 3606 return; 3607 3608 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3609 3610 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3611 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3612 __func__); 3613 qlcnic_api_unlock(adapter); 3614 3615 return; 3616 } 3617 3618 if (state == QLCNIC_DEV_READY) { 3619 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3620 QLCNIC_DEV_NEED_RESET); 3621 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3622 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3623 qlcnic_idc_debug_info(adapter, 0); 3624 } 3625 3626 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3627 QLCNIC_DEV_NPAR_NON_OPER); 3628 qlcnic_api_unlock(adapter); 3629 } 3630 3631 /* Transit to NPAR READY state from NPAR NOT READY state */ 3632 static void 3633 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3634 { 3635 if (qlcnic_api_lock(adapter)) 3636 return; 3637 3638 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3639 QLCNIC_DEV_NPAR_OPER); 3640 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3641 3642 qlcnic_api_unlock(adapter); 3643 } 3644 3645 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3646 work_func_t func, int delay) 3647 { 3648 if (test_bit(__QLCNIC_AER, &adapter->state)) 3649 return; 3650 3651 INIT_DELAYED_WORK(&adapter->fw_work, func); 3652 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3653 round_jiffies_relative(delay)); 3654 } 3655 3656 static void 3657 qlcnic_attach_work(struct work_struct *work) 3658 { 3659 struct qlcnic_adapter *adapter = container_of(work, 3660 struct qlcnic_adapter, fw_work.work); 3661 struct net_device *netdev = adapter->netdev; 3662 u32 npar_state; 3663 3664 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3665 npar_state = QLC_SHARED_REG_RD32(adapter, 3666 QLCNIC_CRB_DEV_NPAR_STATE); 3667 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3668 qlcnic_clr_all_drv_state(adapter, 0); 3669 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3670 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3671 FW_POLL_DELAY); 3672 else 3673 goto attach; 3674 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3675 return; 3676 } 3677 attach: 3678 qlcnic_dcb_get_info(adapter->dcb); 3679 3680 if (netif_running(netdev)) { 3681 if (qlcnic_up(adapter, netdev)) 3682 goto done; 3683 3684 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3685 } 3686 3687 done: 3688 netif_device_attach(netdev); 3689 adapter->fw_fail_cnt = 0; 3690 adapter->flags &= ~QLCNIC_FW_HANG; 3691 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3692 if (adapter->portnum == 0) 3693 qlcnic_set_drv_version(adapter); 3694 3695 if (!qlcnic_clr_drv_state(adapter)) 3696 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3697 FW_POLL_DELAY); 3698 } 3699 3700 static int 3701 qlcnic_check_health(struct qlcnic_adapter *adapter) 3702 { 3703 struct qlcnic_hardware_context *ahw = adapter->ahw; 3704 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3705 u32 state = 0, heartbeat; 3706 u32 peg_status; 3707 int err = 0; 3708 3709 if (qlcnic_check_temp(adapter)) 3710 goto detach; 3711 3712 if (adapter->need_fw_reset) 3713 qlcnic_dev_request_reset(adapter, 0); 3714 3715 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3716 if (state == QLCNIC_DEV_NEED_RESET) { 3717 qlcnic_set_npar_non_operational(adapter); 3718 adapter->need_fw_reset = 1; 3719 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3720 goto detach; 3721 3722 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3723 if (heartbeat != adapter->heartbeat) { 3724 adapter->heartbeat = heartbeat; 3725 adapter->fw_fail_cnt = 0; 3726 if (adapter->need_fw_reset) 3727 goto detach; 3728 3729 if (ahw->reset_context && qlcnic_auto_fw_reset) 3730 qlcnic_reset_hw_context(adapter); 3731 3732 return 0; 3733 } 3734 3735 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3736 return 0; 3737 3738 adapter->flags |= QLCNIC_FW_HANG; 3739 3740 qlcnic_dev_request_reset(adapter, 0); 3741 3742 if (qlcnic_auto_fw_reset) 3743 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3744 3745 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3746 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3747 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3748 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3749 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3750 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3751 "PEG_NET_4_PC: 0x%x\n", 3752 peg_status, 3753 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3754 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3755 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3756 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3757 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3758 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3759 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3760 dev_err(&adapter->pdev->dev, 3761 "Firmware aborted with error code 0x00006700. " 3762 "Device is being reset.\n"); 3763 detach: 3764 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3765 QLCNIC_DEV_NEED_RESET; 3766 3767 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3768 &adapter->state)) { 3769 3770 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3771 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3772 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3773 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3774 qlcnic_dump_fw(adapter); 3775 } 3776 3777 return 1; 3778 } 3779 3780 void qlcnic_fw_poll_work(struct work_struct *work) 3781 { 3782 struct qlcnic_adapter *adapter = container_of(work, 3783 struct qlcnic_adapter, fw_work.work); 3784 3785 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3786 goto reschedule; 3787 3788 3789 if (qlcnic_check_health(adapter)) 3790 return; 3791 3792 if (adapter->fhash.fnum) 3793 qlcnic_prune_lb_filters(adapter); 3794 3795 reschedule: 3796 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3797 } 3798 3799 static int qlcnic_is_first_func(struct pci_dev *pdev) 3800 { 3801 struct pci_dev *oth_pdev; 3802 int val = pdev->devfn; 3803 3804 while (val-- > 0) { 3805 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3806 (pdev->bus), pdev->bus->number, 3807 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3808 if (!oth_pdev) 3809 continue; 3810 3811 if (oth_pdev->current_state != PCI_D3cold) { 3812 pci_dev_put(oth_pdev); 3813 return 0; 3814 } 3815 pci_dev_put(oth_pdev); 3816 } 3817 return 1; 3818 } 3819 3820 static int qlcnic_attach_func(struct pci_dev *pdev) 3821 { 3822 int err, first_func; 3823 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3824 struct net_device *netdev = adapter->netdev; 3825 3826 pdev->error_state = pci_channel_io_normal; 3827 3828 err = pci_enable_device(pdev); 3829 if (err) 3830 return err; 3831 3832 pci_set_master(pdev); 3833 pci_restore_state(pdev); 3834 3835 first_func = qlcnic_is_first_func(pdev); 3836 3837 if (qlcnic_api_lock(adapter)) 3838 return -EINVAL; 3839 3840 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3841 adapter->need_fw_reset = 1; 3842 set_bit(__QLCNIC_START_FW, &adapter->state); 3843 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3844 QLCNIC_DEV_INITIALIZING); 3845 QLCDB(adapter, DRV, "Restarting fw\n"); 3846 } 3847 qlcnic_api_unlock(adapter); 3848 3849 err = qlcnic_start_firmware(adapter); 3850 if (err) 3851 return err; 3852 3853 qlcnic_clr_drv_state(adapter); 3854 kfree(adapter->msix_entries); 3855 adapter->msix_entries = NULL; 3856 err = qlcnic_setup_intr(adapter); 3857 3858 if (err) { 3859 kfree(adapter->msix_entries); 3860 netdev_err(netdev, "failed to setup interrupt\n"); 3861 return err; 3862 } 3863 3864 if (netif_running(netdev)) { 3865 err = qlcnic_attach(adapter); 3866 if (err) { 3867 qlcnic_clr_all_drv_state(adapter, 1); 3868 clear_bit(__QLCNIC_AER, &adapter->state); 3869 netif_device_attach(netdev); 3870 return err; 3871 } 3872 3873 err = qlcnic_up(adapter, netdev); 3874 if (err) 3875 goto done; 3876 3877 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3878 } 3879 done: 3880 netif_device_attach(netdev); 3881 return err; 3882 } 3883 3884 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3885 pci_channel_state_t state) 3886 { 3887 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3888 struct net_device *netdev = adapter->netdev; 3889 3890 if (state == pci_channel_io_perm_failure) 3891 return PCI_ERS_RESULT_DISCONNECT; 3892 3893 if (state == pci_channel_io_normal) 3894 return PCI_ERS_RESULT_RECOVERED; 3895 3896 set_bit(__QLCNIC_AER, &adapter->state); 3897 netif_device_detach(netdev); 3898 3899 cancel_delayed_work_sync(&adapter->fw_work); 3900 3901 if (netif_running(netdev)) 3902 qlcnic_down(adapter, netdev); 3903 3904 qlcnic_detach(adapter); 3905 qlcnic_teardown_intr(adapter); 3906 3907 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3908 3909 pci_save_state(pdev); 3910 pci_disable_device(pdev); 3911 3912 return PCI_ERS_RESULT_NEED_RESET; 3913 } 3914 3915 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3916 { 3917 pci_ers_result_t res; 3918 3919 rtnl_lock(); 3920 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3921 PCI_ERS_RESULT_RECOVERED; 3922 rtnl_unlock(); 3923 3924 return res; 3925 } 3926 3927 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3928 { 3929 u32 state; 3930 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3931 3932 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3933 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3934 &adapter->state)) 3935 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3936 FW_POLL_DELAY); 3937 } 3938 3939 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3940 pci_channel_state_t state) 3941 { 3942 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3943 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3944 3945 if (hw_ops->io_error_detected) { 3946 return hw_ops->io_error_detected(pdev, state); 3947 } else { 3948 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3949 return PCI_ERS_RESULT_DISCONNECT; 3950 } 3951 } 3952 3953 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3954 { 3955 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3956 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3957 3958 if (hw_ops->io_slot_reset) { 3959 return hw_ops->io_slot_reset(pdev); 3960 } else { 3961 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3962 return PCI_ERS_RESULT_DISCONNECT; 3963 } 3964 } 3965 3966 static void qlcnic_io_resume(struct pci_dev *pdev) 3967 { 3968 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3969 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3970 3971 if (hw_ops->io_resume) 3972 hw_ops->io_resume(pdev); 3973 else 3974 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3975 } 3976 3977 3978 static int 3979 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3980 { 3981 int err; 3982 3983 err = qlcnic_can_start_firmware(adapter); 3984 if (err) 3985 return err; 3986 3987 err = qlcnic_check_npar_opertional(adapter); 3988 if (err) 3989 return err; 3990 3991 err = qlcnic_initialize_nic(adapter); 3992 if (err) 3993 return err; 3994 3995 qlcnic_check_options(adapter); 3996 3997 err = qlcnic_set_eswitch_port_config(adapter); 3998 if (err) 3999 return err; 4000 4001 adapter->need_fw_reset = 0; 4002 4003 return err; 4004 } 4005 4006 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4007 int queue_type) 4008 { 4009 struct net_device *netdev = adapter->netdev; 4010 char buf[8]; 4011 4012 if (queue_type == QLCNIC_RX_QUEUE) 4013 strcpy(buf, "SDS"); 4014 else 4015 strcpy(buf, "Tx"); 4016 4017 if (!is_power_of_2(ring_cnt)) { 4018 netdev_err(netdev, "%s rings value should be a power of 2\n", 4019 buf); 4020 return -EINVAL; 4021 } 4022 4023 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4024 !qlcnic_check_multi_tx(adapter)) { 4025 netdev_err(netdev, "No Multi Tx queue support\n"); 4026 return -EINVAL; 4027 } 4028 4029 if (ring_cnt > num_online_cpus()) { 4030 netdev_err(netdev, 4031 "%s value[%u] should not be higher than, number of online CPUs\n", 4032 buf, num_online_cpus()); 4033 return -EINVAL; 4034 } 4035 4036 return 0; 4037 } 4038 4039 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4040 { 4041 struct net_device *netdev = adapter->netdev; 4042 u8 tx_rings, rx_rings; 4043 int err; 4044 4045 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4046 return -EBUSY; 4047 4048 tx_rings = adapter->drv_tss_rings; 4049 rx_rings = adapter->drv_rss_rings; 4050 4051 netif_device_detach(netdev); 4052 4053 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4054 if (err) 4055 goto done; 4056 4057 if (netif_running(netdev)) 4058 __qlcnic_down(adapter, netdev); 4059 4060 qlcnic_detach(adapter); 4061 4062 if (qlcnic_83xx_check(adapter)) { 4063 qlcnic_83xx_free_mbx_intr(adapter); 4064 qlcnic_83xx_enable_mbx_poll(adapter); 4065 } 4066 4067 qlcnic_teardown_intr(adapter); 4068 4069 err = qlcnic_setup_intr(adapter); 4070 if (err) { 4071 kfree(adapter->msix_entries); 4072 netdev_err(netdev, "failed to setup interrupt\n"); 4073 return err; 4074 } 4075 4076 /* Check if we need to update real_num_{tx|rx}_queues because 4077 * qlcnic_setup_intr() may change Tx/Rx rings size 4078 */ 4079 if ((tx_rings != adapter->drv_tx_rings) || 4080 (rx_rings != adapter->drv_sds_rings)) { 4081 err = qlcnic_set_real_num_queues(adapter, 4082 adapter->drv_tx_rings, 4083 adapter->drv_sds_rings); 4084 if (err) 4085 goto done; 4086 } 4087 4088 if (qlcnic_83xx_check(adapter)) { 4089 qlcnic_83xx_initialize_nic(adapter, 1); 4090 err = qlcnic_83xx_setup_mbx_intr(adapter); 4091 qlcnic_83xx_disable_mbx_poll(adapter); 4092 if (err) { 4093 dev_err(&adapter->pdev->dev, 4094 "failed to setup mbx interrupt\n"); 4095 goto done; 4096 } 4097 } 4098 4099 if (netif_running(netdev)) { 4100 err = qlcnic_attach(adapter); 4101 if (err) 4102 goto done; 4103 err = __qlcnic_up(adapter, netdev); 4104 if (err) 4105 goto done; 4106 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4107 } 4108 done: 4109 netif_device_attach(netdev); 4110 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4111 return err; 4112 } 4113 4114 #ifdef CONFIG_INET 4115 4116 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4117 4118 static void 4119 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4120 struct net_device *dev, unsigned long event) 4121 { 4122 const struct in_ifaddr *ifa; 4123 struct in_device *indev; 4124 4125 indev = in_dev_get(dev); 4126 if (!indev) 4127 return; 4128 4129 in_dev_for_each_ifa_rtnl(ifa, indev) { 4130 switch (event) { 4131 case NETDEV_UP: 4132 qlcnic_config_ipaddr(adapter, 4133 ifa->ifa_address, QLCNIC_IP_UP); 4134 break; 4135 case NETDEV_DOWN: 4136 qlcnic_config_ipaddr(adapter, 4137 ifa->ifa_address, QLCNIC_IP_DOWN); 4138 break; 4139 default: 4140 break; 4141 } 4142 } 4143 4144 in_dev_put(indev); 4145 } 4146 4147 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4148 { 4149 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4150 struct net_device *dev; 4151 u16 vid; 4152 4153 qlcnic_config_indev_addr(adapter, netdev, event); 4154 4155 rcu_read_lock(); 4156 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4157 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4158 if (!dev) 4159 continue; 4160 qlcnic_config_indev_addr(adapter, dev, event); 4161 } 4162 rcu_read_unlock(); 4163 } 4164 4165 static int qlcnic_netdev_event(struct notifier_block *this, 4166 unsigned long event, void *ptr) 4167 { 4168 struct qlcnic_adapter *adapter; 4169 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4170 4171 recheck: 4172 if (dev == NULL) 4173 goto done; 4174 4175 if (is_vlan_dev(dev)) { 4176 dev = vlan_dev_real_dev(dev); 4177 goto recheck; 4178 } 4179 4180 if (!is_qlcnic_netdev(dev)) 4181 goto done; 4182 4183 adapter = netdev_priv(dev); 4184 4185 if (!adapter) 4186 goto done; 4187 4188 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4189 goto done; 4190 4191 qlcnic_config_indev_addr(adapter, dev, event); 4192 done: 4193 return NOTIFY_DONE; 4194 } 4195 4196 static int 4197 qlcnic_inetaddr_event(struct notifier_block *this, 4198 unsigned long event, void *ptr) 4199 { 4200 struct qlcnic_adapter *adapter; 4201 struct net_device *dev; 4202 4203 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4204 4205 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4206 4207 recheck: 4208 if (dev == NULL) 4209 goto done; 4210 4211 if (is_vlan_dev(dev)) { 4212 dev = vlan_dev_real_dev(dev); 4213 goto recheck; 4214 } 4215 4216 if (!is_qlcnic_netdev(dev)) 4217 goto done; 4218 4219 adapter = netdev_priv(dev); 4220 4221 if (!adapter) 4222 goto done; 4223 4224 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4225 goto done; 4226 4227 switch (event) { 4228 case NETDEV_UP: 4229 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4230 4231 break; 4232 case NETDEV_DOWN: 4233 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4234 4235 break; 4236 default: 4237 break; 4238 } 4239 4240 done: 4241 return NOTIFY_DONE; 4242 } 4243 4244 static struct notifier_block qlcnic_netdev_cb = { 4245 .notifier_call = qlcnic_netdev_event, 4246 }; 4247 4248 static struct notifier_block qlcnic_inetaddr_cb = { 4249 .notifier_call = qlcnic_inetaddr_event, 4250 }; 4251 #else 4252 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4253 { } 4254 #endif 4255 static const struct pci_error_handlers qlcnic_err_handler = { 4256 .error_detected = qlcnic_io_error_detected, 4257 .slot_reset = qlcnic_io_slot_reset, 4258 .resume = qlcnic_io_resume, 4259 }; 4260 4261 static struct pci_driver qlcnic_driver = { 4262 .name = qlcnic_driver_name, 4263 .id_table = qlcnic_pci_tbl, 4264 .probe = qlcnic_probe, 4265 .remove = qlcnic_remove, 4266 #ifdef CONFIG_PM 4267 .suspend = qlcnic_suspend, 4268 .resume = qlcnic_resume, 4269 #endif 4270 .shutdown = qlcnic_shutdown, 4271 .err_handler = &qlcnic_err_handler, 4272 #ifdef CONFIG_QLCNIC_SRIOV 4273 .sriov_configure = qlcnic_pci_sriov_configure, 4274 #endif 4275 4276 }; 4277 4278 static int __init qlcnic_init_module(void) 4279 { 4280 int ret; 4281 4282 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4283 4284 #ifdef CONFIG_INET 4285 register_netdevice_notifier(&qlcnic_netdev_cb); 4286 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4287 #endif 4288 4289 ret = pci_register_driver(&qlcnic_driver); 4290 if (ret) { 4291 #ifdef CONFIG_INET 4292 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4293 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4294 #endif 4295 } 4296 4297 return ret; 4298 } 4299 4300 module_init(qlcnic_init_module); 4301 4302 static void __exit qlcnic_exit_module(void) 4303 { 4304 pci_unregister_driver(&qlcnic_driver); 4305 4306 #ifdef CONFIG_INET 4307 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4308 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4309 #endif 4310 } 4311 4312 module_exit(qlcnic_exit_module); 4313