1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 #include <linux/swab.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/if_vlan.h> 13 #include <net/ip.h> 14 #include <linux/ipv6.h> 15 #include <linux/inetdevice.h> 16 #include <linux/aer.h> 17 #include <linux/log2.h> 18 #include <linux/pci.h> 19 #include <net/vxlan.h> 20 21 #include "qlcnic.h" 22 #include "qlcnic_sriov.h" 23 #include "qlcnic_hw.h" 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 #ifdef CONFIG_NET_POLL_CONTROLLER 63 static void qlcnic_poll_controller(struct net_device *netdev); 64 #endif 65 66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68 69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70 static irqreturn_t qlcnic_intr(int irq, void *data); 71 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74 75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76 static int qlcnic_start_firmware(struct qlcnic_adapter *); 77 78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83 84 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 85 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 86 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 87 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 88 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 89 static void qlcnic_82xx_io_resume(struct pci_dev *); 90 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 91 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 92 pci_channel_state_t); 93 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 94 { 95 struct qlcnic_hardware_context *ahw = adapter->ahw; 96 97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 99 else 100 return 1; 101 } 102 103 /* PCI Device ID Table */ 104 #define ENTRY(device) \ 105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 107 108 static const struct pci_device_id qlcnic_pci_tbl[] = { 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 116 {0,} 117 }; 118 119 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 120 121 122 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 123 { 124 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 125 } 126 127 static const u32 msi_tgt_status[8] = { 128 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 129 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 130 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 131 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 132 }; 133 134 static const u32 qlcnic_reg_tbl[] = { 135 0x1B20A8, /* PEG_HALT_STAT1 */ 136 0x1B20AC, /* PEG_HALT_STAT2 */ 137 0x1B20B0, /* FW_HEARTBEAT */ 138 0x1B2100, /* LOCK ID */ 139 0x1B2128, /* FW_CAPABILITIES */ 140 0x1B2138, /* drv active */ 141 0x1B2140, /* dev state */ 142 0x1B2144, /* drv state */ 143 0x1B2148, /* drv scratch */ 144 0x1B214C, /* dev partition info */ 145 0x1B2174, /* drv idc ver */ 146 0x1B2150, /* fw version major */ 147 0x1B2154, /* fw version minor */ 148 0x1B2158, /* fw version sub */ 149 0x1B219C, /* npar state */ 150 0x1B21FC, /* FW_IMG_VALID */ 151 0x1B2250, /* CMD_PEG_STATE */ 152 0x1B233C, /* RCV_PEG_STATE */ 153 0x1B23B4, /* ASIC TEMP */ 154 0x1B216C, /* FW api */ 155 0x1B2170, /* drv op mode */ 156 0x13C010, /* flash lock */ 157 0x13C014, /* flash unlock */ 158 }; 159 160 static const struct qlcnic_board_info qlcnic_boards[] = { 161 { PCI_VENDOR_ID_QLOGIC, 162 PCI_DEVICE_ID_QLOGIC_QLE844X, 163 0x0, 164 0x0, 165 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 166 { PCI_VENDOR_ID_QLOGIC, 167 PCI_DEVICE_ID_QLOGIC_QLE834X, 168 PCI_VENDOR_ID_QLOGIC, 169 0x24e, 170 "8300 Series Dual Port 10GbE Converged Network Adapter " 171 "(TCP/IP Networking)" }, 172 { PCI_VENDOR_ID_QLOGIC, 173 PCI_DEVICE_ID_QLOGIC_QLE834X, 174 PCI_VENDOR_ID_QLOGIC, 175 0x243, 176 "8300 Series Single Port 10GbE Converged Network Adapter " 177 "(TCP/IP Networking)" }, 178 { PCI_VENDOR_ID_QLOGIC, 179 PCI_DEVICE_ID_QLOGIC_QLE834X, 180 PCI_VENDOR_ID_QLOGIC, 181 0x24a, 182 "8300 Series Dual Port 10GbE Converged Network Adapter " 183 "(TCP/IP Networking)" }, 184 { PCI_VENDOR_ID_QLOGIC, 185 PCI_DEVICE_ID_QLOGIC_QLE834X, 186 PCI_VENDOR_ID_QLOGIC, 187 0x246, 188 "8300 Series Dual Port 10GbE Converged Network Adapter " 189 "(TCP/IP Networking)" }, 190 { PCI_VENDOR_ID_QLOGIC, 191 PCI_DEVICE_ID_QLOGIC_QLE834X, 192 PCI_VENDOR_ID_QLOGIC, 193 0x252, 194 "8300 Series Dual Port 10GbE Converged Network Adapter " 195 "(TCP/IP Networking)" }, 196 { PCI_VENDOR_ID_QLOGIC, 197 PCI_DEVICE_ID_QLOGIC_QLE834X, 198 PCI_VENDOR_ID_QLOGIC, 199 0x26e, 200 "8300 Series Dual Port 10GbE Converged Network Adapter " 201 "(TCP/IP Networking)" }, 202 { PCI_VENDOR_ID_QLOGIC, 203 PCI_DEVICE_ID_QLOGIC_QLE834X, 204 PCI_VENDOR_ID_QLOGIC, 205 0x260, 206 "8300 Series Dual Port 10GbE Converged Network Adapter " 207 "(TCP/IP Networking)" }, 208 { PCI_VENDOR_ID_QLOGIC, 209 PCI_DEVICE_ID_QLOGIC_QLE834X, 210 PCI_VENDOR_ID_QLOGIC, 211 0x266, 212 "8300 Series Single Port 10GbE Converged Network Adapter " 213 "(TCP/IP Networking)" }, 214 { PCI_VENDOR_ID_QLOGIC, 215 PCI_DEVICE_ID_QLOGIC_QLE834X, 216 PCI_VENDOR_ID_QLOGIC, 217 0x269, 218 "8300 Series Dual Port 10GbE Converged Network Adapter " 219 "(TCP/IP Networking)" }, 220 { PCI_VENDOR_ID_QLOGIC, 221 PCI_DEVICE_ID_QLOGIC_QLE834X, 222 PCI_VENDOR_ID_QLOGIC, 223 0x271, 224 "8300 Series Dual Port 10GbE Converged Network Adapter " 225 "(TCP/IP Networking)" }, 226 { PCI_VENDOR_ID_QLOGIC, 227 PCI_DEVICE_ID_QLOGIC_QLE834X, 228 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 229 { PCI_VENDOR_ID_QLOGIC, 230 PCI_DEVICE_ID_QLOGIC_QLE8830, 231 0x0, 232 0x0, 233 "8830 Series 1/10GbE Controller" }, 234 { PCI_VENDOR_ID_QLOGIC, 235 PCI_DEVICE_ID_QLOGIC_QLE824X, 236 PCI_VENDOR_ID_QLOGIC, 237 0x203, 238 "8200 Series Single Port 10GbE Converged Network Adapter" 239 "(TCP/IP Networking)" }, 240 { PCI_VENDOR_ID_QLOGIC, 241 PCI_DEVICE_ID_QLOGIC_QLE824X, 242 PCI_VENDOR_ID_QLOGIC, 243 0x207, 244 "8200 Series Dual Port 10GbE Converged Network Adapter" 245 "(TCP/IP Networking)" }, 246 { PCI_VENDOR_ID_QLOGIC, 247 PCI_DEVICE_ID_QLOGIC_QLE824X, 248 PCI_VENDOR_ID_QLOGIC, 249 0x20b, 250 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 251 { PCI_VENDOR_ID_QLOGIC, 252 PCI_DEVICE_ID_QLOGIC_QLE824X, 253 PCI_VENDOR_ID_QLOGIC, 254 0x20c, 255 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 256 { PCI_VENDOR_ID_QLOGIC, 257 PCI_DEVICE_ID_QLOGIC_QLE824X, 258 PCI_VENDOR_ID_QLOGIC, 259 0x20f, 260 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 261 { PCI_VENDOR_ID_QLOGIC, 262 PCI_DEVICE_ID_QLOGIC_QLE824X, 263 0x103c, 0x3733, 264 "NC523SFP 10Gb 2-port Server Adapter" }, 265 { PCI_VENDOR_ID_QLOGIC, 266 PCI_DEVICE_ID_QLOGIC_QLE824X, 267 0x103c, 0x3346, 268 "CN1000Q Dual Port Converged Network Adapter" }, 269 { PCI_VENDOR_ID_QLOGIC, 270 PCI_DEVICE_ID_QLOGIC_QLE824X, 271 PCI_VENDOR_ID_QLOGIC, 272 0x210, 273 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 274 { PCI_VENDOR_ID_QLOGIC, 275 PCI_DEVICE_ID_QLOGIC_QLE824X, 276 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 277 }; 278 279 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 280 281 static const 282 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 283 284 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 285 { 286 int size = sizeof(struct qlcnic_host_sds_ring) * count; 287 288 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 289 290 return recv_ctx->sds_rings == NULL; 291 } 292 293 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 294 { 295 kfree(recv_ctx->sds_rings); 296 recv_ctx->sds_rings = NULL; 297 } 298 299 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 300 { 301 struct net_device *netdev = adapter->netdev; 302 struct pci_dev *pdev = adapter->pdev; 303 u8 mac_addr[ETH_ALEN]; 304 int ret; 305 306 ret = qlcnic_get_mac_address(adapter, mac_addr, 307 adapter->ahw->pci_func); 308 if (ret) 309 return ret; 310 311 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 312 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 313 314 /* set station address */ 315 316 if (!is_valid_ether_addr(netdev->dev_addr)) 317 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 318 netdev->dev_addr); 319 320 return 0; 321 } 322 323 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 324 { 325 struct qlcnic_mac_vlan_list *cur; 326 struct list_head *head; 327 328 list_for_each(head, &adapter->mac_list) { 329 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 330 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 331 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 332 0, QLCNIC_MAC_DEL); 333 list_del(&cur->list); 334 kfree(cur); 335 return; 336 } 337 } 338 } 339 340 static int qlcnic_set_mac(struct net_device *netdev, void *p) 341 { 342 struct qlcnic_adapter *adapter = netdev_priv(netdev); 343 struct sockaddr *addr = p; 344 345 if (qlcnic_sriov_vf_check(adapter)) 346 return -EINVAL; 347 348 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 349 return -EOPNOTSUPP; 350 351 if (!is_valid_ether_addr(addr->sa_data)) 352 return -EINVAL; 353 354 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 355 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 356 return 0; 357 358 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 359 netif_device_detach(netdev); 360 qlcnic_napi_disable(adapter); 361 } 362 363 qlcnic_delete_adapter_mac(adapter); 364 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 365 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 366 qlcnic_set_multi(adapter->netdev); 367 368 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 369 netif_device_attach(netdev); 370 qlcnic_napi_enable(adapter); 371 } 372 return 0; 373 } 374 375 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 376 struct net_device *netdev, 377 const unsigned char *addr, u16 vid) 378 { 379 struct qlcnic_adapter *adapter = netdev_priv(netdev); 380 int err = -EOPNOTSUPP; 381 382 if (!adapter->fdb_mac_learn) 383 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 384 385 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 386 qlcnic_sriov_check(adapter)) { 387 if (is_unicast_ether_addr(addr)) { 388 err = dev_uc_del(netdev, addr); 389 if (!err) 390 err = qlcnic_nic_del_mac(adapter, addr); 391 } else if (is_multicast_ether_addr(addr)) { 392 err = dev_mc_del(netdev, addr); 393 } else { 394 err = -EINVAL; 395 } 396 } 397 return err; 398 } 399 400 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 401 struct net_device *netdev, 402 const unsigned char *addr, u16 vid, u16 flags) 403 { 404 struct qlcnic_adapter *adapter = netdev_priv(netdev); 405 int err = 0; 406 407 if (!adapter->fdb_mac_learn) 408 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 409 410 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 411 !qlcnic_sriov_check(adapter)) { 412 pr_info("%s: FDB e-switch is not enabled\n", __func__); 413 return -EOPNOTSUPP; 414 } 415 416 if (ether_addr_equal(addr, adapter->mac_addr)) 417 return err; 418 419 if (is_unicast_ether_addr(addr)) { 420 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 421 err = dev_uc_add_excl(netdev, addr); 422 else 423 err = -ENOMEM; 424 } else if (is_multicast_ether_addr(addr)) { 425 err = dev_mc_add_excl(netdev, addr); 426 } else { 427 err = -EINVAL; 428 } 429 430 return err; 431 } 432 433 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 434 struct net_device *netdev, 435 struct net_device *filter_dev, int *idx) 436 { 437 struct qlcnic_adapter *adapter = netdev_priv(netdev); 438 int err = 0; 439 440 if (!adapter->fdb_mac_learn) 441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 442 443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 444 qlcnic_sriov_check(adapter)) 445 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 446 447 return err; 448 } 449 450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 451 { 452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 453 usleep_range(10000, 11000); 454 455 if (!adapter->fw_work.work.func) 456 return; 457 458 cancel_delayed_work_sync(&adapter->fw_work); 459 } 460 461 static int qlcnic_get_phys_port_id(struct net_device *netdev, 462 struct netdev_phys_item_id *ppid) 463 { 464 struct qlcnic_adapter *adapter = netdev_priv(netdev); 465 struct qlcnic_hardware_context *ahw = adapter->ahw; 466 467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 468 return -EOPNOTSUPP; 469 470 ppid->id_len = sizeof(ahw->phys_port_id); 471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 472 473 return 0; 474 } 475 476 static void qlcnic_add_vxlan_port(struct net_device *netdev, 477 struct udp_tunnel_info *ti) 478 { 479 struct qlcnic_adapter *adapter = netdev_priv(netdev); 480 struct qlcnic_hardware_context *ahw = adapter->ahw; 481 482 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 483 return; 484 485 /* Adapter supports only one VXLAN port. Use very first port 486 * for enabling offload 487 */ 488 if (!qlcnic_encap_rx_offload(adapter)) 489 return; 490 if (!ahw->vxlan_port_count) { 491 ahw->vxlan_port_count = 1; 492 ahw->vxlan_port = ntohs(ti->port); 493 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 494 return; 495 } 496 if (ahw->vxlan_port == ntohs(ti->port)) 497 ahw->vxlan_port_count++; 498 499 } 500 501 static void qlcnic_del_vxlan_port(struct net_device *netdev, 502 struct udp_tunnel_info *ti) 503 { 504 struct qlcnic_adapter *adapter = netdev_priv(netdev); 505 struct qlcnic_hardware_context *ahw = adapter->ahw; 506 507 if (ti->type != UDP_TUNNEL_TYPE_VXLAN) 508 return; 509 510 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 511 (ahw->vxlan_port != ntohs(ti->port))) 512 return; 513 514 ahw->vxlan_port_count--; 515 if (!ahw->vxlan_port_count) 516 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 517 } 518 519 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 520 struct net_device *dev, 521 netdev_features_t features) 522 { 523 features = vlan_features_check(skb, features); 524 return vxlan_features_check(skb, features); 525 } 526 527 static const struct net_device_ops qlcnic_netdev_ops = { 528 .ndo_open = qlcnic_open, 529 .ndo_stop = qlcnic_close, 530 .ndo_start_xmit = qlcnic_xmit_frame, 531 .ndo_get_stats = qlcnic_get_stats, 532 .ndo_validate_addr = eth_validate_addr, 533 .ndo_set_rx_mode = qlcnic_set_multi, 534 .ndo_set_mac_address = qlcnic_set_mac, 535 .ndo_change_mtu = qlcnic_change_mtu, 536 .ndo_fix_features = qlcnic_fix_features, 537 .ndo_set_features = qlcnic_set_features, 538 .ndo_tx_timeout = qlcnic_tx_timeout, 539 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 540 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 541 .ndo_fdb_add = qlcnic_fdb_add, 542 .ndo_fdb_del = qlcnic_fdb_del, 543 .ndo_fdb_dump = qlcnic_fdb_dump, 544 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 545 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port, 546 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port, 547 .ndo_features_check = qlcnic_features_check, 548 #ifdef CONFIG_NET_POLL_CONTROLLER 549 .ndo_poll_controller = qlcnic_poll_controller, 550 #endif 551 #ifdef CONFIG_QLCNIC_SRIOV 552 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 553 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 554 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 555 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 556 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 557 #endif 558 }; 559 560 static const struct net_device_ops qlcnic_netdev_failed_ops = { 561 .ndo_open = qlcnic_open, 562 }; 563 564 static struct qlcnic_nic_template qlcnic_ops = { 565 .config_bridged_mode = qlcnic_config_bridged_mode, 566 .config_led = qlcnic_82xx_config_led, 567 .start_firmware = qlcnic_82xx_start_firmware, 568 .request_reset = qlcnic_82xx_dev_request_reset, 569 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 570 .napi_add = qlcnic_82xx_napi_add, 571 .napi_del = qlcnic_82xx_napi_del, 572 .config_ipaddr = qlcnic_82xx_config_ipaddr, 573 .shutdown = qlcnic_82xx_shutdown, 574 .resume = qlcnic_82xx_resume, 575 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 576 }; 577 578 struct qlcnic_nic_template qlcnic_vf_ops = { 579 .config_bridged_mode = qlcnicvf_config_bridged_mode, 580 .config_led = qlcnicvf_config_led, 581 .start_firmware = qlcnicvf_start_firmware 582 }; 583 584 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 585 .read_crb = qlcnic_82xx_read_crb, 586 .write_crb = qlcnic_82xx_write_crb, 587 .read_reg = qlcnic_82xx_hw_read_wx_2M, 588 .write_reg = qlcnic_82xx_hw_write_wx_2M, 589 .get_mac_address = qlcnic_82xx_get_mac_address, 590 .setup_intr = qlcnic_82xx_setup_intr, 591 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 592 .mbx_cmd = qlcnic_82xx_issue_cmd, 593 .get_func_no = qlcnic_82xx_get_func_no, 594 .api_lock = qlcnic_82xx_api_lock, 595 .api_unlock = qlcnic_82xx_api_unlock, 596 .add_sysfs = qlcnic_82xx_add_sysfs, 597 .remove_sysfs = qlcnic_82xx_remove_sysfs, 598 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 599 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 600 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 601 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 602 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 603 .setup_link_event = qlcnic_82xx_linkevent_request, 604 .get_nic_info = qlcnic_82xx_get_nic_info, 605 .get_pci_info = qlcnic_82xx_get_pci_info, 606 .set_nic_info = qlcnic_82xx_set_nic_info, 607 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 608 .napi_enable = qlcnic_82xx_napi_enable, 609 .napi_disable = qlcnic_82xx_napi_disable, 610 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 611 .config_rss = qlcnic_82xx_config_rss, 612 .config_hw_lro = qlcnic_82xx_config_hw_lro, 613 .config_loopback = qlcnic_82xx_set_lb_mode, 614 .clear_loopback = qlcnic_82xx_clear_lb_mode, 615 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 616 .change_l2_filter = qlcnic_82xx_change_filter, 617 .get_board_info = qlcnic_82xx_get_board_info, 618 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 619 .free_mac_list = qlcnic_82xx_free_mac_list, 620 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 621 .io_error_detected = qlcnic_82xx_io_error_detected, 622 .io_slot_reset = qlcnic_82xx_io_slot_reset, 623 .io_resume = qlcnic_82xx_io_resume, 624 .get_beacon_state = qlcnic_82xx_get_beacon_state, 625 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 626 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 627 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 628 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 629 .get_saved_state = qlcnic_82xx_get_saved_state, 630 .set_saved_state = qlcnic_82xx_set_saved_state, 631 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 632 .get_cap_size = qlcnic_82xx_get_cap_size, 633 .set_sys_info = qlcnic_82xx_set_sys_info, 634 .store_cap_mask = qlcnic_82xx_store_cap_mask, 635 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 636 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 637 }; 638 639 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 640 { 641 struct qlcnic_hardware_context *ahw = adapter->ahw; 642 643 if (qlcnic_82xx_check(adapter) && 644 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 645 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 646 return 0; 647 } else { 648 return 1; 649 } 650 } 651 652 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 653 int queue_type) 654 { 655 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 656 657 if (queue_type == QLCNIC_RX_QUEUE) 658 max_rings = adapter->max_sds_rings; 659 else if (queue_type == QLCNIC_TX_QUEUE) 660 max_rings = adapter->max_tx_rings; 661 662 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 663 max_rings)); 664 665 if (ring_cnt > num_rings) 666 return num_rings; 667 else 668 return ring_cnt; 669 } 670 671 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 672 { 673 /* 83xx adapter does not have max_tx_rings intialized in probe */ 674 if (adapter->max_tx_rings) 675 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 676 QLCNIC_TX_QUEUE); 677 else 678 adapter->drv_tx_rings = tx_cnt; 679 } 680 681 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 682 { 683 /* 83xx adapter does not have max_sds_rings intialized in probe */ 684 if (adapter->max_sds_rings) 685 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 686 QLCNIC_RX_QUEUE); 687 else 688 adapter->drv_sds_rings = rx_cnt; 689 } 690 691 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 692 { 693 struct pci_dev *pdev = adapter->pdev; 694 int num_msix = 0, err = 0, vector; 695 696 adapter->flags &= ~QLCNIC_TSS_RSS; 697 698 if (adapter->drv_tss_rings > 0) 699 num_msix += adapter->drv_tss_rings; 700 else 701 num_msix += adapter->drv_tx_rings; 702 703 if (adapter->drv_rss_rings > 0) 704 num_msix += adapter->drv_rss_rings; 705 else 706 num_msix += adapter->drv_sds_rings; 707 708 if (qlcnic_83xx_check(adapter)) 709 num_msix += 1; 710 711 if (!adapter->msix_entries) { 712 adapter->msix_entries = kcalloc(num_msix, 713 sizeof(struct msix_entry), 714 GFP_KERNEL); 715 if (!adapter->msix_entries) 716 return -ENOMEM; 717 } 718 719 for (vector = 0; vector < num_msix; vector++) 720 adapter->msix_entries[vector].entry = vector; 721 722 restore: 723 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 724 if (err == -ENOSPC) { 725 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 726 return err; 727 728 netdev_info(adapter->netdev, 729 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 730 num_msix, err); 731 732 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 733 734 /* Set rings to 0 so we can restore original TSS/RSS count */ 735 adapter->drv_tss_rings = 0; 736 adapter->drv_rss_rings = 0; 737 738 if (qlcnic_83xx_check(adapter)) 739 num_msix += 1; 740 741 netdev_info(adapter->netdev, 742 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 743 adapter->drv_tx_rings, adapter->drv_sds_rings, 744 num_msix); 745 746 goto restore; 747 } else if (err < 0) { 748 return err; 749 } 750 751 adapter->ahw->num_msix = num_msix; 752 if (adapter->drv_tss_rings > 0) 753 adapter->drv_tx_rings = adapter->drv_tss_rings; 754 755 if (adapter->drv_rss_rings > 0) 756 adapter->drv_sds_rings = adapter->drv_rss_rings; 757 758 return 0; 759 } 760 761 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 762 { 763 struct pci_dev *pdev = adapter->pdev; 764 int err, vector; 765 766 if (!adapter->msix_entries) { 767 adapter->msix_entries = kcalloc(num_msix, 768 sizeof(struct msix_entry), 769 GFP_KERNEL); 770 if (!adapter->msix_entries) 771 return -ENOMEM; 772 } 773 774 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 775 776 if (adapter->ahw->msix_supported) { 777 enable_msix: 778 for (vector = 0; vector < num_msix; vector++) 779 adapter->msix_entries[vector].entry = vector; 780 781 err = pci_enable_msix_range(pdev, 782 adapter->msix_entries, 1, num_msix); 783 784 if (err == num_msix) { 785 adapter->flags |= QLCNIC_MSIX_ENABLED; 786 adapter->ahw->num_msix = num_msix; 787 dev_info(&pdev->dev, "using msi-x interrupts\n"); 788 return 0; 789 } else if (err > 0) { 790 pci_disable_msix(pdev); 791 792 dev_info(&pdev->dev, 793 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 794 num_msix, err); 795 796 if (qlcnic_82xx_check(adapter)) { 797 num_msix = rounddown_pow_of_two(err); 798 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 799 return -ENOSPC; 800 } else { 801 num_msix = rounddown_pow_of_two(err - 1); 802 num_msix += 1; 803 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 804 return -ENOSPC; 805 } 806 807 if (qlcnic_82xx_check(adapter) && 808 !qlcnic_check_multi_tx(adapter)) { 809 adapter->drv_sds_rings = num_msix; 810 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 811 } else { 812 /* Distribute vectors equally */ 813 adapter->drv_tx_rings = num_msix / 2; 814 adapter->drv_sds_rings = adapter->drv_tx_rings; 815 } 816 817 if (num_msix) { 818 dev_info(&pdev->dev, 819 "Trying to allocate %d MSI-X interrupt vectors\n", 820 num_msix); 821 goto enable_msix; 822 } 823 } else { 824 dev_info(&pdev->dev, 825 "Unable to allocate %d MSI-X vectors, err=%d\n", 826 num_msix, err); 827 return err; 828 } 829 } 830 831 return -EIO; 832 } 833 834 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 835 { 836 int num_msix; 837 838 num_msix = adapter->drv_sds_rings; 839 840 if (qlcnic_check_multi_tx(adapter)) 841 num_msix += adapter->drv_tx_rings; 842 else 843 num_msix += QLCNIC_SINGLE_RING; 844 845 return num_msix; 846 } 847 848 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 849 { 850 int err = 0; 851 u32 offset, mask_reg; 852 const struct qlcnic_legacy_intr_set *legacy_intrp; 853 struct qlcnic_hardware_context *ahw = adapter->ahw; 854 struct pci_dev *pdev = adapter->pdev; 855 856 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 857 adapter->flags |= QLCNIC_MSI_ENABLED; 858 offset = msi_tgt_status[adapter->ahw->pci_func]; 859 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 860 offset); 861 dev_info(&pdev->dev, "using msi interrupts\n"); 862 adapter->msix_entries[0].vector = pdev->irq; 863 return err; 864 } 865 866 if (qlcnic_use_msi || qlcnic_use_msi_x) 867 return -EOPNOTSUPP; 868 869 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 870 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 871 offset = legacy_intrp->tgt_status_reg; 872 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 873 mask_reg = legacy_intrp->tgt_mask_reg; 874 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 875 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 876 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 877 dev_info(&pdev->dev, "using legacy interrupts\n"); 878 adapter->msix_entries[0].vector = pdev->irq; 879 return err; 880 } 881 882 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 883 { 884 int num_msix, err = 0; 885 886 if (adapter->flags & QLCNIC_TSS_RSS) { 887 err = qlcnic_setup_tss_rss_intr(adapter); 888 if (err < 0) 889 return err; 890 num_msix = adapter->ahw->num_msix; 891 } else { 892 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 893 894 err = qlcnic_enable_msix(adapter, num_msix); 895 if (err == -ENOMEM) 896 return err; 897 898 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 899 qlcnic_disable_multi_tx(adapter); 900 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 901 902 err = qlcnic_enable_msi_legacy(adapter); 903 if (err) 904 return err; 905 } 906 } 907 908 return 0; 909 } 910 911 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 912 { 913 struct qlcnic_hardware_context *ahw = adapter->ahw; 914 int err, i; 915 916 if (qlcnic_check_multi_tx(adapter) && 917 !ahw->diag_test && 918 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 919 ahw->intr_tbl = 920 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 921 ahw->num_msix)); 922 if (!ahw->intr_tbl) 923 return -ENOMEM; 924 925 for (i = 0; i < ahw->num_msix; i++) { 926 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 927 ahw->intr_tbl[i].id = i; 928 ahw->intr_tbl[i].src = 0; 929 } 930 931 err = qlcnic_82xx_config_intrpt(adapter, 1); 932 if (err) 933 dev_err(&adapter->pdev->dev, 934 "Failed to configure Interrupt for %d vector\n", 935 ahw->num_msix); 936 return err; 937 } 938 939 return 0; 940 } 941 942 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 943 { 944 if (adapter->flags & QLCNIC_MSIX_ENABLED) 945 pci_disable_msix(adapter->pdev); 946 if (adapter->flags & QLCNIC_MSI_ENABLED) 947 pci_disable_msi(adapter->pdev); 948 949 kfree(adapter->msix_entries); 950 adapter->msix_entries = NULL; 951 952 if (adapter->ahw->intr_tbl) { 953 vfree(adapter->ahw->intr_tbl); 954 adapter->ahw->intr_tbl = NULL; 955 } 956 } 957 958 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 959 { 960 if (ahw->pci_base0 != NULL) 961 iounmap(ahw->pci_base0); 962 } 963 964 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 965 { 966 struct qlcnic_hardware_context *ahw = adapter->ahw; 967 struct qlcnic_pci_info *pci_info; 968 int ret; 969 970 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 971 switch (ahw->port_type) { 972 case QLCNIC_GBE: 973 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 974 break; 975 case QLCNIC_XGBE: 976 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 977 break; 978 } 979 return 0; 980 } 981 982 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 983 return 0; 984 985 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 986 if (!pci_info) 987 return -ENOMEM; 988 989 ret = qlcnic_get_pci_info(adapter, pci_info); 990 kfree(pci_info); 991 return ret; 992 } 993 994 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 995 { 996 bool ret = false; 997 998 if (qlcnic_84xx_check(adapter)) { 999 ret = true; 1000 } else if (qlcnic_83xx_check(adapter)) { 1001 if (adapter->ahw->extra_capability[0] & 1002 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 1003 ret = true; 1004 else 1005 ret = false; 1006 } 1007 1008 return ret; 1009 } 1010 1011 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1012 { 1013 struct qlcnic_hardware_context *ahw = adapter->ahw; 1014 struct qlcnic_pci_info *pci_info; 1015 int i, id = 0, ret = 0, j = 0; 1016 u16 act_pci_func; 1017 u8 pfn; 1018 1019 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1020 if (!pci_info) 1021 return -ENOMEM; 1022 1023 ret = qlcnic_get_pci_info(adapter, pci_info); 1024 if (ret) 1025 goto err_pci_info; 1026 1027 act_pci_func = ahw->total_nic_func; 1028 1029 adapter->npars = kcalloc(act_pci_func, 1030 sizeof(struct qlcnic_npar_info), 1031 GFP_KERNEL); 1032 if (!adapter->npars) { 1033 ret = -ENOMEM; 1034 goto err_pci_info; 1035 } 1036 1037 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1038 sizeof(struct qlcnic_eswitch), 1039 GFP_KERNEL); 1040 if (!adapter->eswitch) { 1041 ret = -ENOMEM; 1042 goto err_npars; 1043 } 1044 1045 for (i = 0; i < ahw->max_vnic_func; i++) { 1046 pfn = pci_info[i].id; 1047 1048 if (pfn >= ahw->max_vnic_func) { 1049 ret = -EINVAL; 1050 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1051 __func__, pfn, ahw->max_vnic_func); 1052 goto err_eswitch; 1053 } 1054 1055 if (!pci_info[i].active || 1056 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1057 continue; 1058 1059 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1060 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1061 &id)) 1062 adapter->npars[j].eswitch_status = true; 1063 else 1064 continue; 1065 } else { 1066 adapter->npars[j].eswitch_status = true; 1067 } 1068 1069 adapter->npars[j].pci_func = pfn; 1070 adapter->npars[j].active = (u8)pci_info[i].active; 1071 adapter->npars[j].type = (u8)pci_info[i].type; 1072 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1073 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1074 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1075 1076 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1077 j++; 1078 } 1079 1080 /* Update eSwitch status for adapters without per port eSwitch 1081 * configuration capability 1082 */ 1083 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1084 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1085 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1086 } 1087 1088 kfree(pci_info); 1089 return 0; 1090 1091 err_eswitch: 1092 kfree(adapter->eswitch); 1093 adapter->eswitch = NULL; 1094 err_npars: 1095 kfree(adapter->npars); 1096 adapter->npars = NULL; 1097 err_pci_info: 1098 kfree(pci_info); 1099 1100 return ret; 1101 } 1102 1103 static int 1104 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1105 { 1106 u8 id; 1107 int ret; 1108 u32 data = QLCNIC_MGMT_FUNC; 1109 struct qlcnic_hardware_context *ahw = adapter->ahw; 1110 1111 ret = qlcnic_api_lock(adapter); 1112 if (ret) 1113 goto err_lock; 1114 1115 id = ahw->pci_func; 1116 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1117 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1118 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1119 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1120 qlcnic_api_unlock(adapter); 1121 err_lock: 1122 return ret; 1123 } 1124 1125 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1126 const struct pci_device_id *ent) 1127 { 1128 u32 op_mode, priv_level; 1129 1130 /* Determine FW API version */ 1131 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1132 QLCNIC_FW_API); 1133 1134 /* Find PCI function number */ 1135 qlcnic_get_func_no(adapter); 1136 1137 /* Determine function privilege level */ 1138 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1139 if (op_mode == QLC_DEV_DRV_DEFAULT) 1140 priv_level = QLCNIC_MGMT_FUNC; 1141 else 1142 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1143 1144 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1145 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1146 dev_info(&adapter->pdev->dev, 1147 "HAL Version: %d Non Privileged function\n", 1148 adapter->ahw->fw_hal_version); 1149 adapter->nic_ops = &qlcnic_vf_ops; 1150 } else 1151 adapter->nic_ops = &qlcnic_ops; 1152 } 1153 1154 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1155 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1156 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1157 { 1158 switch (dev_id) { 1159 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1160 *bar = QLCNIC_82XX_BAR0_LENGTH; 1161 break; 1162 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1163 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1164 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1165 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1166 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1167 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1168 *bar = QLCNIC_83XX_BAR0_LENGTH; 1169 break; 1170 default: 1171 *bar = 0; 1172 } 1173 } 1174 1175 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1176 struct qlcnic_hardware_context *ahw) 1177 { 1178 u32 offset; 1179 void __iomem *mem_ptr0 = NULL; 1180 unsigned long mem_len, pci_len0 = 0, bar0_len; 1181 1182 /* remap phys address */ 1183 mem_len = pci_resource_len(pdev, 0); 1184 1185 qlcnic_get_bar_length(pdev->device, &bar0_len); 1186 if (mem_len >= bar0_len) { 1187 1188 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1189 if (mem_ptr0 == NULL) { 1190 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1191 return -EIO; 1192 } 1193 pci_len0 = mem_len; 1194 } else { 1195 return -EIO; 1196 } 1197 1198 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1199 1200 ahw->pci_base0 = mem_ptr0; 1201 ahw->pci_len0 = pci_len0; 1202 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1203 qlcnic_get_ioaddr(ahw, offset); 1204 1205 return 0; 1206 } 1207 1208 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1209 int index) 1210 { 1211 struct pci_dev *pdev = adapter->pdev; 1212 unsigned short subsystem_vendor; 1213 bool ret = true; 1214 1215 subsystem_vendor = pdev->subsystem_vendor; 1216 1217 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1218 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1219 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1220 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1221 ret = true; 1222 else 1223 ret = false; 1224 } 1225 1226 return ret; 1227 } 1228 1229 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1230 { 1231 struct pci_dev *pdev = adapter->pdev; 1232 int i, found = 0; 1233 1234 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1235 if (qlcnic_boards[i].vendor == pdev->vendor && 1236 qlcnic_boards[i].device == pdev->device && 1237 qlcnic_validate_subsystem_id(adapter, i)) { 1238 found = 1; 1239 break; 1240 } 1241 } 1242 1243 if (!found) 1244 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1245 else 1246 sprintf(name, "%pM: %s" , adapter->mac_addr, 1247 qlcnic_boards[i].short_name); 1248 } 1249 1250 static void 1251 qlcnic_check_options(struct qlcnic_adapter *adapter) 1252 { 1253 int err; 1254 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1255 struct pci_dev *pdev = adapter->pdev; 1256 struct qlcnic_hardware_context *ahw = adapter->ahw; 1257 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1258 1259 prev_fw_version = adapter->fw_version; 1260 1261 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1262 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1263 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1264 1265 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1266 1267 err = qlcnic_get_board_info(adapter); 1268 if (err) { 1269 dev_err(&pdev->dev, "Error getting board config info.\n"); 1270 return; 1271 } 1272 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1273 if (fw_dump->tmpl_hdr == NULL || 1274 adapter->fw_version > prev_fw_version) { 1275 vfree(fw_dump->tmpl_hdr); 1276 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1277 dev_info(&pdev->dev, 1278 "Supports FW dump capability\n"); 1279 } 1280 } 1281 1282 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1283 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1284 1285 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1286 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1287 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1288 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1289 } else { 1290 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1291 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1292 } 1293 1294 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1295 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1296 1297 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1298 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1299 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1300 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1301 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1302 } 1303 1304 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1305 1306 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1307 1308 adapter->max_rds_rings = MAX_RDS_RINGS; 1309 } 1310 1311 static int 1312 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1313 { 1314 struct qlcnic_info nic_info; 1315 int err = 0; 1316 1317 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1318 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1319 if (err) 1320 return err; 1321 1322 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1323 adapter->ahw->switch_mode = nic_info.switch_mode; 1324 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1325 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1326 adapter->ahw->capabilities = nic_info.capabilities; 1327 1328 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1329 u32 temp; 1330 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1331 if (err == -EIO) 1332 return err; 1333 adapter->ahw->extra_capability[0] = temp; 1334 } else { 1335 adapter->ahw->extra_capability[0] = 0; 1336 } 1337 1338 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1339 adapter->ahw->max_mtu = nic_info.max_mtu; 1340 1341 if (adapter->ahw->capabilities & BIT_6) { 1342 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1343 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1344 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1345 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1346 1347 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1348 } else { 1349 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1350 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1351 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1352 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1353 } 1354 1355 return err; 1356 } 1357 1358 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1359 struct qlcnic_esw_func_cfg *esw_cfg) 1360 { 1361 if (esw_cfg->discard_tagged) 1362 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1363 else 1364 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1365 1366 if (esw_cfg->vlan_id) { 1367 adapter->rx_pvid = esw_cfg->vlan_id; 1368 adapter->tx_pvid = esw_cfg->vlan_id; 1369 } else { 1370 adapter->rx_pvid = 0; 1371 adapter->tx_pvid = 0; 1372 } 1373 } 1374 1375 static int 1376 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1377 { 1378 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1379 int err; 1380 1381 if (qlcnic_sriov_vf_check(adapter)) { 1382 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1383 if (err) { 1384 netdev_err(netdev, 1385 "Cannot add VLAN filter for VLAN id %d, err=%d", 1386 vid, err); 1387 return err; 1388 } 1389 } 1390 1391 set_bit(vid, adapter->vlans); 1392 return 0; 1393 } 1394 1395 static int 1396 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1397 { 1398 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1399 int err; 1400 1401 if (qlcnic_sriov_vf_check(adapter)) { 1402 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1403 if (err) { 1404 netdev_err(netdev, 1405 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1406 vid, err); 1407 return err; 1408 } 1409 } 1410 1411 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1412 clear_bit(vid, adapter->vlans); 1413 return 0; 1414 } 1415 1416 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1417 struct qlcnic_esw_func_cfg *esw_cfg) 1418 { 1419 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1420 QLCNIC_PROMISC_DISABLED); 1421 1422 if (esw_cfg->mac_anti_spoof) 1423 adapter->flags |= QLCNIC_MACSPOOF; 1424 1425 if (!esw_cfg->mac_override) 1426 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1427 1428 if (!esw_cfg->promisc_mode) 1429 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1430 } 1431 1432 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1433 { 1434 struct qlcnic_esw_func_cfg esw_cfg; 1435 1436 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1437 return 0; 1438 1439 esw_cfg.pci_func = adapter->ahw->pci_func; 1440 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1441 return -EIO; 1442 qlcnic_set_vlan_config(adapter, &esw_cfg); 1443 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1444 qlcnic_set_netdev_features(adapter, &esw_cfg); 1445 1446 return 0; 1447 } 1448 1449 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1450 struct qlcnic_esw_func_cfg *esw_cfg) 1451 { 1452 struct net_device *netdev = adapter->netdev; 1453 1454 if (qlcnic_83xx_check(adapter)) 1455 return; 1456 1457 adapter->offload_flags = esw_cfg->offload_flags; 1458 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1459 netdev_update_features(netdev); 1460 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1461 } 1462 1463 static int 1464 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1465 { 1466 u32 op_mode, priv_level; 1467 int err = 0; 1468 1469 err = qlcnic_initialize_nic(adapter); 1470 if (err) 1471 return err; 1472 1473 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1474 return 0; 1475 1476 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1477 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1478 1479 if (op_mode == QLC_DEV_DRV_DEFAULT) 1480 priv_level = QLCNIC_MGMT_FUNC; 1481 else 1482 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1483 1484 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1485 if (priv_level == QLCNIC_MGMT_FUNC) { 1486 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1487 err = qlcnic_init_pci_info(adapter); 1488 if (err) 1489 return err; 1490 /* Set privilege level for other functions */ 1491 qlcnic_set_function_modes(adapter); 1492 dev_info(&adapter->pdev->dev, 1493 "HAL Version: %d, Management function\n", 1494 adapter->ahw->fw_hal_version); 1495 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1496 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1497 dev_info(&adapter->pdev->dev, 1498 "HAL Version: %d, Privileged function\n", 1499 adapter->ahw->fw_hal_version); 1500 } 1501 } else { 1502 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1503 } 1504 1505 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1506 1507 return err; 1508 } 1509 1510 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1511 { 1512 struct qlcnic_esw_func_cfg esw_cfg; 1513 struct qlcnic_npar_info *npar; 1514 u8 i; 1515 1516 if (adapter->need_fw_reset) 1517 return 0; 1518 1519 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1520 if (!adapter->npars[i].eswitch_status) 1521 continue; 1522 1523 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1524 esw_cfg.pci_func = adapter->npars[i].pci_func; 1525 esw_cfg.mac_override = BIT_0; 1526 esw_cfg.promisc_mode = BIT_0; 1527 if (qlcnic_82xx_check(adapter)) { 1528 esw_cfg.offload_flags = BIT_0; 1529 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1530 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1531 } 1532 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1533 return -EIO; 1534 npar = &adapter->npars[i]; 1535 npar->pvid = esw_cfg.vlan_id; 1536 npar->mac_override = esw_cfg.mac_override; 1537 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1538 npar->discard_tagged = esw_cfg.discard_tagged; 1539 npar->promisc_mode = esw_cfg.promisc_mode; 1540 npar->offload_flags = esw_cfg.offload_flags; 1541 } 1542 1543 return 0; 1544 } 1545 1546 1547 static int 1548 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1549 struct qlcnic_npar_info *npar, int pci_func) 1550 { 1551 struct qlcnic_esw_func_cfg esw_cfg; 1552 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1553 esw_cfg.pci_func = pci_func; 1554 esw_cfg.vlan_id = npar->pvid; 1555 esw_cfg.mac_override = npar->mac_override; 1556 esw_cfg.discard_tagged = npar->discard_tagged; 1557 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1558 esw_cfg.offload_flags = npar->offload_flags; 1559 esw_cfg.promisc_mode = npar->promisc_mode; 1560 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1561 return -EIO; 1562 1563 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1564 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1565 return -EIO; 1566 1567 return 0; 1568 } 1569 1570 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1571 { 1572 int i, err; 1573 struct qlcnic_npar_info *npar; 1574 struct qlcnic_info nic_info; 1575 u8 pci_func; 1576 1577 if (qlcnic_82xx_check(adapter)) 1578 if (!adapter->need_fw_reset) 1579 return 0; 1580 1581 /* Set the NPAR config data after FW reset */ 1582 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1583 npar = &adapter->npars[i]; 1584 pci_func = npar->pci_func; 1585 if (!adapter->npars[i].eswitch_status) 1586 continue; 1587 1588 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1589 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1590 if (err) 1591 return err; 1592 nic_info.min_tx_bw = npar->min_bw; 1593 nic_info.max_tx_bw = npar->max_bw; 1594 err = qlcnic_set_nic_info(adapter, &nic_info); 1595 if (err) 1596 return err; 1597 1598 if (npar->enable_pm) { 1599 err = qlcnic_config_port_mirroring(adapter, 1600 npar->dest_npar, 1, 1601 pci_func); 1602 if (err) 1603 return err; 1604 } 1605 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1606 if (err) 1607 return err; 1608 } 1609 return 0; 1610 } 1611 1612 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1613 { 1614 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1615 u32 npar_state; 1616 1617 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1618 return 0; 1619 1620 npar_state = QLC_SHARED_REG_RD32(adapter, 1621 QLCNIC_CRB_DEV_NPAR_STATE); 1622 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1623 msleep(1000); 1624 npar_state = QLC_SHARED_REG_RD32(adapter, 1625 QLCNIC_CRB_DEV_NPAR_STATE); 1626 } 1627 if (!npar_opt_timeo) { 1628 dev_err(&adapter->pdev->dev, 1629 "Waiting for NPAR state to operational timeout\n"); 1630 return -EIO; 1631 } 1632 return 0; 1633 } 1634 1635 static int 1636 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1637 { 1638 int err; 1639 1640 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1641 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1642 return 0; 1643 1644 err = qlcnic_set_default_offload_settings(adapter); 1645 if (err) 1646 return err; 1647 1648 err = qlcnic_reset_npar_config(adapter); 1649 if (err) 1650 return err; 1651 1652 qlcnic_dev_set_npar_ready(adapter); 1653 1654 return err; 1655 } 1656 1657 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1658 { 1659 int err; 1660 1661 err = qlcnic_can_start_firmware(adapter); 1662 if (err < 0) 1663 return err; 1664 else if (!err) 1665 goto check_fw_status; 1666 1667 if (qlcnic_load_fw_file) 1668 qlcnic_request_firmware(adapter); 1669 else { 1670 err = qlcnic_check_flash_fw_ver(adapter); 1671 if (err) 1672 goto err_out; 1673 1674 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1675 } 1676 1677 err = qlcnic_need_fw_reset(adapter); 1678 if (err == 0) 1679 goto check_fw_status; 1680 1681 err = qlcnic_pinit_from_rom(adapter); 1682 if (err) 1683 goto err_out; 1684 1685 err = qlcnic_load_firmware(adapter); 1686 if (err) 1687 goto err_out; 1688 1689 qlcnic_release_firmware(adapter); 1690 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1691 1692 check_fw_status: 1693 err = qlcnic_check_fw_status(adapter); 1694 if (err) 1695 goto err_out; 1696 1697 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1698 qlcnic_idc_debug_info(adapter, 1); 1699 err = qlcnic_check_eswitch_mode(adapter); 1700 if (err) { 1701 dev_err(&adapter->pdev->dev, 1702 "Memory allocation failed for eswitch\n"); 1703 goto err_out; 1704 } 1705 err = qlcnic_set_mgmt_operations(adapter); 1706 if (err) 1707 goto err_out; 1708 1709 qlcnic_check_options(adapter); 1710 adapter->need_fw_reset = 0; 1711 1712 qlcnic_release_firmware(adapter); 1713 return 0; 1714 1715 err_out: 1716 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1717 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1718 1719 qlcnic_release_firmware(adapter); 1720 return err; 1721 } 1722 1723 static int 1724 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1725 { 1726 irq_handler_t handler; 1727 struct qlcnic_host_sds_ring *sds_ring; 1728 struct qlcnic_host_tx_ring *tx_ring; 1729 int err, ring, num_sds_rings; 1730 1731 unsigned long flags = 0; 1732 struct net_device *netdev = adapter->netdev; 1733 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1734 1735 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1736 if (qlcnic_82xx_check(adapter)) 1737 handler = qlcnic_tmp_intr; 1738 else 1739 handler = qlcnic_83xx_tmp_intr; 1740 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1741 flags |= IRQF_SHARED; 1742 1743 } else { 1744 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1745 handler = qlcnic_msix_intr; 1746 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1747 handler = qlcnic_msi_intr; 1748 else { 1749 flags |= IRQF_SHARED; 1750 if (qlcnic_82xx_check(adapter)) 1751 handler = qlcnic_intr; 1752 else 1753 handler = qlcnic_83xx_intr; 1754 } 1755 } 1756 adapter->irq = netdev->irq; 1757 1758 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1759 if (qlcnic_82xx_check(adapter) || 1760 (qlcnic_83xx_check(adapter) && 1761 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1762 num_sds_rings = adapter->drv_sds_rings; 1763 for (ring = 0; ring < num_sds_rings; ring++) { 1764 sds_ring = &recv_ctx->sds_rings[ring]; 1765 if (qlcnic_82xx_check(adapter) && 1766 !qlcnic_check_multi_tx(adapter) && 1767 (ring == (num_sds_rings - 1))) { 1768 if (!(adapter->flags & 1769 QLCNIC_MSIX_ENABLED)) 1770 snprintf(sds_ring->name, 1771 sizeof(sds_ring->name), 1772 "qlcnic"); 1773 else 1774 snprintf(sds_ring->name, 1775 sizeof(sds_ring->name), 1776 "%s-tx-0-rx-%d", 1777 netdev->name, ring); 1778 } else { 1779 snprintf(sds_ring->name, 1780 sizeof(sds_ring->name), 1781 "%s-rx-%d", 1782 netdev->name, ring); 1783 } 1784 err = request_irq(sds_ring->irq, handler, flags, 1785 sds_ring->name, sds_ring); 1786 if (err) 1787 return err; 1788 } 1789 } 1790 if ((qlcnic_82xx_check(adapter) && 1791 qlcnic_check_multi_tx(adapter)) || 1792 (qlcnic_83xx_check(adapter) && 1793 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1794 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1795 handler = qlcnic_msix_tx_intr; 1796 for (ring = 0; ring < adapter->drv_tx_rings; 1797 ring++) { 1798 tx_ring = &adapter->tx_ring[ring]; 1799 snprintf(tx_ring->name, sizeof(tx_ring->name), 1800 "%s-tx-%d", netdev->name, ring); 1801 err = request_irq(tx_ring->irq, handler, flags, 1802 tx_ring->name, tx_ring); 1803 if (err) 1804 return err; 1805 } 1806 } 1807 } 1808 return 0; 1809 } 1810 1811 static void 1812 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1813 { 1814 int ring; 1815 struct qlcnic_host_sds_ring *sds_ring; 1816 struct qlcnic_host_tx_ring *tx_ring; 1817 1818 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1819 1820 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1821 if (qlcnic_82xx_check(adapter) || 1822 (qlcnic_83xx_check(adapter) && 1823 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1824 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1825 sds_ring = &recv_ctx->sds_rings[ring]; 1826 free_irq(sds_ring->irq, sds_ring); 1827 } 1828 } 1829 if ((qlcnic_83xx_check(adapter) && 1830 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1831 (qlcnic_82xx_check(adapter) && 1832 qlcnic_check_multi_tx(adapter))) { 1833 for (ring = 0; ring < adapter->drv_tx_rings; 1834 ring++) { 1835 tx_ring = &adapter->tx_ring[ring]; 1836 if (tx_ring->irq) 1837 free_irq(tx_ring->irq, tx_ring); 1838 } 1839 } 1840 } 1841 } 1842 1843 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1844 { 1845 u32 capab = 0; 1846 1847 if (qlcnic_82xx_check(adapter)) { 1848 if (adapter->ahw->extra_capability[0] & 1849 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1850 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1851 } else { 1852 capab = adapter->ahw->capabilities; 1853 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1854 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1855 } 1856 } 1857 1858 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1859 { 1860 struct qlcnic_hardware_context *ahw = adapter->ahw; 1861 int err; 1862 1863 /* Initialize interrupt coalesce parameters */ 1864 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1865 1866 if (qlcnic_83xx_check(adapter)) { 1867 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1868 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1869 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1870 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1871 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1872 1873 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1874 } else { 1875 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1876 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1877 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1878 1879 err = qlcnic_82xx_set_rx_coalesce(adapter); 1880 } 1881 1882 return err; 1883 } 1884 1885 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1886 { 1887 int ring; 1888 struct qlcnic_host_rds_ring *rds_ring; 1889 1890 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1891 return -EIO; 1892 1893 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1894 return 0; 1895 1896 if (qlcnic_set_eswitch_port_config(adapter)) 1897 return -EIO; 1898 1899 qlcnic_get_lro_mss_capability(adapter); 1900 1901 if (qlcnic_fw_create_ctx(adapter)) 1902 return -EIO; 1903 1904 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1905 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1906 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1907 } 1908 1909 qlcnic_set_multi(netdev); 1910 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1911 1912 adapter->ahw->linkup = 0; 1913 1914 if (adapter->drv_sds_rings > 1) 1915 qlcnic_config_rss(adapter, 1); 1916 1917 qlcnic_config_def_intr_coalesce(adapter); 1918 1919 if (netdev->features & NETIF_F_LRO) 1920 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1921 1922 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1923 qlcnic_napi_enable(adapter); 1924 1925 qlcnic_linkevent_request(adapter, 1); 1926 1927 adapter->ahw->reset_context = 0; 1928 netif_tx_start_all_queues(netdev); 1929 return 0; 1930 } 1931 1932 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1933 { 1934 int err = 0; 1935 1936 rtnl_lock(); 1937 if (netif_running(netdev)) 1938 err = __qlcnic_up(adapter, netdev); 1939 rtnl_unlock(); 1940 1941 return err; 1942 } 1943 1944 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1945 { 1946 int ring; 1947 1948 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1949 return; 1950 1951 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1952 return; 1953 1954 smp_mb(); 1955 netif_carrier_off(netdev); 1956 adapter->ahw->linkup = 0; 1957 netif_tx_disable(netdev); 1958 1959 qlcnic_free_mac_list(adapter); 1960 1961 if (adapter->fhash.fnum) 1962 qlcnic_delete_lb_filters(adapter); 1963 1964 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1965 if (qlcnic_sriov_vf_check(adapter)) 1966 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1967 1968 qlcnic_napi_disable(adapter); 1969 1970 qlcnic_fw_destroy_ctx(adapter); 1971 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1972 1973 qlcnic_reset_rx_buffers_list(adapter); 1974 1975 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1976 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1977 } 1978 1979 /* Usage: During suspend and firmware recovery module */ 1980 1981 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1982 { 1983 rtnl_lock(); 1984 if (netif_running(netdev)) 1985 __qlcnic_down(adapter, netdev); 1986 rtnl_unlock(); 1987 1988 } 1989 1990 int 1991 qlcnic_attach(struct qlcnic_adapter *adapter) 1992 { 1993 struct net_device *netdev = adapter->netdev; 1994 struct pci_dev *pdev = adapter->pdev; 1995 int err; 1996 1997 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1998 return 0; 1999 2000 err = qlcnic_napi_add(adapter, netdev); 2001 if (err) 2002 return err; 2003 2004 err = qlcnic_alloc_sw_resources(adapter); 2005 if (err) { 2006 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2007 goto err_out_napi_del; 2008 } 2009 2010 err = qlcnic_alloc_hw_resources(adapter); 2011 if (err) { 2012 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2013 goto err_out_free_sw; 2014 } 2015 2016 err = qlcnic_request_irq(adapter); 2017 if (err) { 2018 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2019 goto err_out_free_hw; 2020 } 2021 2022 qlcnic_create_sysfs_entries(adapter); 2023 2024 if (qlcnic_encap_rx_offload(adapter)) 2025 udp_tunnel_get_rx_info(netdev); 2026 2027 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2028 return 0; 2029 2030 err_out_free_hw: 2031 qlcnic_free_hw_resources(adapter); 2032 err_out_free_sw: 2033 qlcnic_free_sw_resources(adapter); 2034 err_out_napi_del: 2035 qlcnic_napi_del(adapter); 2036 return err; 2037 } 2038 2039 void qlcnic_detach(struct qlcnic_adapter *adapter) 2040 { 2041 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2042 return; 2043 2044 qlcnic_remove_sysfs_entries(adapter); 2045 2046 qlcnic_free_hw_resources(adapter); 2047 qlcnic_release_rx_buffers(adapter); 2048 qlcnic_free_irq(adapter); 2049 qlcnic_napi_del(adapter); 2050 qlcnic_free_sw_resources(adapter); 2051 2052 adapter->is_up = 0; 2053 } 2054 2055 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2056 { 2057 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2058 struct qlcnic_host_sds_ring *sds_ring; 2059 int drv_tx_rings = adapter->drv_tx_rings; 2060 int ring; 2061 2062 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2063 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2064 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2065 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2066 qlcnic_disable_sds_intr(adapter, sds_ring); 2067 } 2068 } 2069 2070 qlcnic_fw_destroy_ctx(adapter); 2071 2072 qlcnic_detach(adapter); 2073 2074 adapter->ahw->diag_test = 0; 2075 adapter->drv_sds_rings = drv_sds_rings; 2076 adapter->drv_tx_rings = drv_tx_rings; 2077 2078 if (qlcnic_attach(adapter)) 2079 goto out; 2080 2081 if (netif_running(netdev)) 2082 __qlcnic_up(adapter, netdev); 2083 out: 2084 netif_device_attach(netdev); 2085 } 2086 2087 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2088 { 2089 struct qlcnic_hardware_context *ahw = adapter->ahw; 2090 int err = 0; 2091 2092 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2093 GFP_KERNEL); 2094 if (!adapter->recv_ctx) { 2095 err = -ENOMEM; 2096 goto err_out; 2097 } 2098 2099 if (qlcnic_83xx_check(adapter)) { 2100 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2101 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2102 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2103 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2104 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2105 } else { 2106 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2107 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2108 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2109 } 2110 2111 /* clear stats */ 2112 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2113 err_out: 2114 return err; 2115 } 2116 2117 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2118 { 2119 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2120 2121 kfree(adapter->recv_ctx); 2122 adapter->recv_ctx = NULL; 2123 2124 if (fw_dump->tmpl_hdr) { 2125 vfree(fw_dump->tmpl_hdr); 2126 fw_dump->tmpl_hdr = NULL; 2127 } 2128 2129 if (fw_dump->dma_buffer) { 2130 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2131 fw_dump->dma_buffer, fw_dump->phys_addr); 2132 fw_dump->dma_buffer = NULL; 2133 } 2134 2135 kfree(adapter->ahw->reset.buff); 2136 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2137 } 2138 2139 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2140 { 2141 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2142 struct qlcnic_host_sds_ring *sds_ring; 2143 struct qlcnic_host_rds_ring *rds_ring; 2144 int ring; 2145 int ret; 2146 2147 netif_device_detach(netdev); 2148 2149 if (netif_running(netdev)) 2150 __qlcnic_down(adapter, netdev); 2151 2152 qlcnic_detach(adapter); 2153 2154 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2155 adapter->ahw->diag_test = test; 2156 adapter->ahw->linkup = 0; 2157 2158 ret = qlcnic_attach(adapter); 2159 if (ret) { 2160 netif_device_attach(netdev); 2161 return ret; 2162 } 2163 2164 ret = qlcnic_fw_create_ctx(adapter); 2165 if (ret) { 2166 qlcnic_detach(adapter); 2167 netif_device_attach(netdev); 2168 return ret; 2169 } 2170 2171 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2172 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2173 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2174 } 2175 2176 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2177 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2178 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2179 qlcnic_enable_sds_intr(adapter, sds_ring); 2180 } 2181 } 2182 2183 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2184 adapter->ahw->loopback_state = 0; 2185 qlcnic_linkevent_request(adapter, 1); 2186 } 2187 2188 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2189 2190 return 0; 2191 } 2192 2193 /* Reset context in hardware only */ 2194 static int 2195 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2196 { 2197 struct net_device *netdev = adapter->netdev; 2198 2199 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2200 return -EBUSY; 2201 2202 netif_device_detach(netdev); 2203 2204 qlcnic_down(adapter, netdev); 2205 2206 qlcnic_up(adapter, netdev); 2207 2208 netif_device_attach(netdev); 2209 2210 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2211 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2212 return 0; 2213 } 2214 2215 int 2216 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2217 { 2218 int err = 0; 2219 struct net_device *netdev = adapter->netdev; 2220 2221 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2222 return -EBUSY; 2223 2224 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2225 2226 netif_device_detach(netdev); 2227 2228 if (netif_running(netdev)) 2229 __qlcnic_down(adapter, netdev); 2230 2231 qlcnic_detach(adapter); 2232 2233 if (netif_running(netdev)) { 2234 err = qlcnic_attach(adapter); 2235 if (!err) { 2236 __qlcnic_up(adapter, netdev); 2237 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2238 } 2239 } 2240 2241 netif_device_attach(netdev); 2242 } 2243 2244 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2245 return err; 2246 } 2247 2248 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2249 { 2250 struct qlcnic_hardware_context *ahw = adapter->ahw; 2251 u16 act_pci_fn = ahw->total_nic_func; 2252 u16 count; 2253 2254 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2255 if (act_pci_fn <= 2) 2256 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2257 act_pci_fn; 2258 else 2259 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2260 act_pci_fn; 2261 ahw->max_uc_count = count; 2262 } 2263 2264 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2265 u8 tx_queues, u8 rx_queues) 2266 { 2267 struct net_device *netdev = adapter->netdev; 2268 int err = 0; 2269 2270 if (tx_queues) { 2271 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2272 if (err) { 2273 netdev_err(netdev, "failed to set %d Tx queues\n", 2274 tx_queues); 2275 return err; 2276 } 2277 } 2278 2279 if (rx_queues) { 2280 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2281 if (err) 2282 netdev_err(netdev, "failed to set %d Rx queues\n", 2283 rx_queues); 2284 } 2285 2286 return err; 2287 } 2288 2289 int 2290 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2291 int pci_using_dac) 2292 { 2293 int err; 2294 struct pci_dev *pdev = adapter->pdev; 2295 2296 adapter->rx_csum = 1; 2297 adapter->ahw->mc_enabled = 0; 2298 qlcnic_set_mac_filter_count(adapter); 2299 2300 netdev->netdev_ops = &qlcnic_netdev_ops; 2301 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2302 2303 qlcnic_change_mtu(netdev, netdev->mtu); 2304 2305 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2306 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2307 2308 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2309 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2310 NETIF_F_HW_VLAN_CTAG_RX); 2311 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2312 NETIF_F_IPV6_CSUM); 2313 2314 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2315 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2316 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2317 } 2318 2319 if (pci_using_dac) { 2320 netdev->features |= NETIF_F_HIGHDMA; 2321 netdev->vlan_features |= NETIF_F_HIGHDMA; 2322 } 2323 2324 if (qlcnic_vlan_tx_check(adapter)) 2325 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2326 2327 if (qlcnic_sriov_vf_check(adapter)) 2328 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2329 2330 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2331 netdev->features |= NETIF_F_LRO; 2332 2333 if (qlcnic_encap_tx_offload(adapter)) { 2334 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2335 2336 /* encapsulation Tx offload supported by Adapter */ 2337 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2338 NETIF_F_GSO_UDP_TUNNEL | 2339 NETIF_F_TSO | 2340 NETIF_F_TSO6; 2341 } 2342 2343 if (qlcnic_encap_rx_offload(adapter)) 2344 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2345 2346 netdev->hw_features = netdev->features; 2347 netdev->priv_flags |= IFF_UNICAST_FLT; 2348 netdev->irq = adapter->msix_entries[0].vector; 2349 2350 /* MTU range: 68 - 9600 */ 2351 netdev->min_mtu = P3P_MIN_MTU; 2352 netdev->max_mtu = P3P_MAX_MTU; 2353 2354 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2355 adapter->drv_sds_rings); 2356 if (err) 2357 return err; 2358 2359 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2360 2361 err = register_netdev(netdev); 2362 if (err) { 2363 dev_err(&pdev->dev, "failed to register net device\n"); 2364 return err; 2365 } 2366 2367 return 0; 2368 } 2369 2370 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2371 { 2372 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2373 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2374 *pci_using_dac = 1; 2375 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2376 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2377 *pci_using_dac = 0; 2378 else { 2379 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2380 return -EIO; 2381 } 2382 2383 return 0; 2384 } 2385 2386 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2387 { 2388 int ring; 2389 struct qlcnic_host_tx_ring *tx_ring; 2390 2391 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2392 tx_ring = &adapter->tx_ring[ring]; 2393 if (tx_ring) { 2394 vfree(tx_ring->cmd_buf_arr); 2395 tx_ring->cmd_buf_arr = NULL; 2396 } 2397 } 2398 kfree(adapter->tx_ring); 2399 } 2400 2401 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2402 struct net_device *netdev) 2403 { 2404 int ring, vector, index; 2405 struct qlcnic_host_tx_ring *tx_ring; 2406 struct qlcnic_cmd_buffer *cmd_buf_arr; 2407 2408 tx_ring = kcalloc(adapter->drv_tx_rings, 2409 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2410 if (tx_ring == NULL) 2411 return -ENOMEM; 2412 2413 adapter->tx_ring = tx_ring; 2414 2415 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2416 tx_ring = &adapter->tx_ring[ring]; 2417 tx_ring->num_desc = adapter->num_txd; 2418 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2419 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2420 if (cmd_buf_arr == NULL) { 2421 qlcnic_free_tx_rings(adapter); 2422 return -ENOMEM; 2423 } 2424 tx_ring->cmd_buf_arr = cmd_buf_arr; 2425 spin_lock_init(&tx_ring->tx_clean_lock); 2426 } 2427 2428 if (qlcnic_83xx_check(adapter) || 2429 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2430 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2431 tx_ring = &adapter->tx_ring[ring]; 2432 tx_ring->adapter = adapter; 2433 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2434 index = adapter->drv_sds_rings + ring; 2435 vector = adapter->msix_entries[index].vector; 2436 tx_ring->irq = vector; 2437 } 2438 } 2439 } 2440 2441 return 0; 2442 } 2443 2444 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2445 { 2446 struct qlcnic_hardware_context *ahw = adapter->ahw; 2447 u32 fw_cmd = 0; 2448 2449 if (qlcnic_82xx_check(adapter)) 2450 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2451 else if (qlcnic_83xx_check(adapter)) 2452 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2453 2454 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2455 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2456 } 2457 2458 /* Reset firmware API lock */ 2459 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2460 { 2461 qlcnic_api_lock(adapter); 2462 qlcnic_api_unlock(adapter); 2463 } 2464 2465 2466 static int 2467 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2468 { 2469 struct net_device *netdev = NULL; 2470 struct qlcnic_adapter *adapter = NULL; 2471 struct qlcnic_hardware_context *ahw; 2472 int err, pci_using_dac = -1; 2473 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2474 2475 err = pci_enable_device(pdev); 2476 if (err) 2477 return err; 2478 2479 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2480 err = -ENODEV; 2481 goto err_out_disable_pdev; 2482 } 2483 2484 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2485 if (err) 2486 goto err_out_disable_pdev; 2487 2488 err = pci_request_regions(pdev, qlcnic_driver_name); 2489 if (err) 2490 goto err_out_disable_pdev; 2491 2492 pci_set_master(pdev); 2493 pci_enable_pcie_error_reporting(pdev); 2494 2495 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2496 if (!ahw) { 2497 err = -ENOMEM; 2498 goto err_out_free_res; 2499 } 2500 2501 switch (ent->device) { 2502 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2503 ahw->hw_ops = &qlcnic_hw_ops; 2504 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2505 break; 2506 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2507 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2508 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2509 qlcnic_83xx_register_map(ahw); 2510 break; 2511 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2512 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2513 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2514 qlcnic_sriov_vf_register_map(ahw); 2515 break; 2516 default: 2517 goto err_out_free_hw_res; 2518 } 2519 2520 err = qlcnic_setup_pci_map(pdev, ahw); 2521 if (err) 2522 goto err_out_free_hw_res; 2523 2524 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2525 QLCNIC_MAX_TX_RINGS); 2526 if (!netdev) { 2527 err = -ENOMEM; 2528 goto err_out_iounmap; 2529 } 2530 2531 SET_NETDEV_DEV(netdev, &pdev->dev); 2532 2533 adapter = netdev_priv(netdev); 2534 adapter->netdev = netdev; 2535 adapter->pdev = pdev; 2536 adapter->ahw = ahw; 2537 2538 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2539 if (adapter->qlcnic_wq == NULL) { 2540 err = -ENOMEM; 2541 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2542 goto err_out_free_netdev; 2543 } 2544 2545 err = qlcnic_alloc_adapter_resources(adapter); 2546 if (err) 2547 goto err_out_free_wq; 2548 2549 adapter->dev_rst_time = jiffies; 2550 ahw->revision_id = pdev->revision; 2551 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2552 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2553 adapter->fdb_mac_learn = true; 2554 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2555 adapter->drv_mac_learn = true; 2556 2557 rwlock_init(&adapter->ahw->crb_lock); 2558 mutex_init(&adapter->ahw->mem_lock); 2559 2560 INIT_LIST_HEAD(&adapter->mac_list); 2561 2562 qlcnic_register_dcb(adapter); 2563 2564 if (qlcnic_82xx_check(adapter)) { 2565 qlcnic_check_vf(adapter, ent); 2566 adapter->portnum = adapter->ahw->pci_func; 2567 qlcnic_reset_api_lock(adapter); 2568 err = qlcnic_start_firmware(adapter); 2569 if (err) { 2570 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2571 "\t\tIf reboot doesn't help, try flashing the card\n"); 2572 goto err_out_maintenance_mode; 2573 } 2574 2575 /* compute and set default and max tx/sds rings */ 2576 if (adapter->ahw->msix_supported) { 2577 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2578 qlcnic_set_tx_ring_count(adapter, 2579 QLCNIC_SINGLE_RING); 2580 else 2581 qlcnic_set_tx_ring_count(adapter, 2582 QLCNIC_DEF_TX_RINGS); 2583 qlcnic_set_sds_ring_count(adapter, 2584 QLCNIC_DEF_SDS_RINGS); 2585 } else { 2586 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2587 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2588 } 2589 2590 err = qlcnic_setup_idc_param(adapter); 2591 if (err) 2592 goto err_out_free_hw; 2593 2594 adapter->flags |= QLCNIC_NEED_FLR; 2595 2596 } else if (qlcnic_83xx_check(adapter)) { 2597 qlcnic_83xx_check_vf(adapter, ent); 2598 adapter->portnum = adapter->ahw->pci_func; 2599 err = qlcnic_83xx_init(adapter, pci_using_dac); 2600 if (err) { 2601 switch (err) { 2602 case -ENOTRECOVERABLE: 2603 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2604 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2605 goto err_out_free_hw; 2606 case -ENOMEM: 2607 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2608 goto err_out_free_hw; 2609 case -EOPNOTSUPP: 2610 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2611 goto err_out_free_hw; 2612 default: 2613 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2614 goto err_out_maintenance_mode; 2615 } 2616 } 2617 2618 if (qlcnic_sriov_vf_check(adapter)) 2619 return 0; 2620 } else { 2621 dev_err(&pdev->dev, 2622 "%s: failed. Please Reboot\n", __func__); 2623 err = -ENODEV; 2624 goto err_out_free_hw; 2625 } 2626 2627 if (qlcnic_read_mac_addr(adapter)) 2628 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2629 2630 qlcnic_read_phys_port_id(adapter); 2631 2632 if (adapter->portnum == 0) { 2633 qlcnic_get_board_name(adapter, board_name); 2634 2635 pr_info("%s: %s Board Chip rev 0x%x\n", 2636 module_name(THIS_MODULE), 2637 board_name, adapter->ahw->revision_id); 2638 } 2639 2640 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2641 !!qlcnic_use_msi) 2642 dev_warn(&pdev->dev, 2643 "Device does not support MSI interrupts\n"); 2644 2645 if (qlcnic_82xx_check(adapter)) { 2646 qlcnic_dcb_enable(adapter->dcb); 2647 qlcnic_dcb_get_info(adapter->dcb); 2648 err = qlcnic_setup_intr(adapter); 2649 2650 if (err) { 2651 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2652 goto err_out_disable_msi; 2653 } 2654 } 2655 2656 err = qlcnic_get_act_pci_func(adapter); 2657 if (err) 2658 goto err_out_disable_mbx_intr; 2659 2660 if (adapter->portnum == 0) 2661 qlcnic_set_drv_version(adapter); 2662 2663 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2664 if (err) 2665 goto err_out_disable_mbx_intr; 2666 2667 pci_set_drvdata(pdev, adapter); 2668 2669 if (qlcnic_82xx_check(adapter)) 2670 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2671 FW_POLL_DELAY); 2672 2673 switch (adapter->ahw->port_type) { 2674 case QLCNIC_GBE: 2675 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2676 adapter->netdev->name); 2677 break; 2678 case QLCNIC_XGBE: 2679 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2680 adapter->netdev->name); 2681 break; 2682 } 2683 2684 if (adapter->drv_mac_learn) 2685 qlcnic_alloc_lb_filters_mem(adapter); 2686 2687 qlcnic_add_sysfs(adapter); 2688 qlcnic_register_hwmon_dev(adapter); 2689 return 0; 2690 2691 err_out_disable_mbx_intr: 2692 if (qlcnic_83xx_check(adapter)) 2693 qlcnic_83xx_free_mbx_intr(adapter); 2694 2695 err_out_disable_msi: 2696 qlcnic_teardown_intr(adapter); 2697 qlcnic_cancel_idc_work(adapter); 2698 qlcnic_clr_all_drv_state(adapter, 0); 2699 2700 err_out_free_hw: 2701 qlcnic_free_adapter_resources(adapter); 2702 2703 err_out_free_wq: 2704 destroy_workqueue(adapter->qlcnic_wq); 2705 2706 err_out_free_netdev: 2707 free_netdev(netdev); 2708 2709 err_out_iounmap: 2710 qlcnic_cleanup_pci_map(ahw); 2711 2712 err_out_free_hw_res: 2713 kfree(ahw); 2714 2715 err_out_free_res: 2716 pci_release_regions(pdev); 2717 2718 err_out_disable_pdev: 2719 pci_disable_device(pdev); 2720 return err; 2721 2722 err_out_maintenance_mode: 2723 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2724 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2725 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2726 ahw->port_type = QLCNIC_XGBE; 2727 2728 if (qlcnic_83xx_check(adapter)) 2729 adapter->tgt_status_reg = NULL; 2730 else 2731 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2732 2733 err = register_netdev(netdev); 2734 2735 if (err) { 2736 dev_err(&pdev->dev, "Failed to register net device\n"); 2737 qlcnic_clr_all_drv_state(adapter, 0); 2738 goto err_out_free_hw; 2739 } 2740 2741 pci_set_drvdata(pdev, adapter); 2742 qlcnic_add_sysfs(adapter); 2743 2744 return 0; 2745 } 2746 2747 static void qlcnic_remove(struct pci_dev *pdev) 2748 { 2749 struct qlcnic_adapter *adapter; 2750 struct net_device *netdev; 2751 struct qlcnic_hardware_context *ahw; 2752 2753 adapter = pci_get_drvdata(pdev); 2754 if (adapter == NULL) 2755 return; 2756 2757 netdev = adapter->netdev; 2758 2759 qlcnic_cancel_idc_work(adapter); 2760 qlcnic_sriov_pf_disable(adapter); 2761 ahw = adapter->ahw; 2762 2763 unregister_netdev(netdev); 2764 qlcnic_sriov_cleanup(adapter); 2765 2766 if (qlcnic_83xx_check(adapter)) { 2767 qlcnic_83xx_initialize_nic(adapter, 0); 2768 cancel_delayed_work_sync(&adapter->idc_aen_work); 2769 qlcnic_83xx_free_mbx_intr(adapter); 2770 qlcnic_83xx_detach_mailbox_work(adapter); 2771 qlcnic_83xx_free_mailbox(ahw->mailbox); 2772 kfree(ahw->fw_info); 2773 } 2774 2775 qlcnic_dcb_free(adapter->dcb); 2776 qlcnic_detach(adapter); 2777 kfree(adapter->npars); 2778 kfree(adapter->eswitch); 2779 2780 if (qlcnic_82xx_check(adapter)) 2781 qlcnic_clr_all_drv_state(adapter, 0); 2782 2783 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2784 2785 qlcnic_free_lb_filters_mem(adapter); 2786 2787 qlcnic_teardown_intr(adapter); 2788 2789 qlcnic_remove_sysfs(adapter); 2790 2791 qlcnic_unregister_hwmon_dev(adapter); 2792 2793 qlcnic_cleanup_pci_map(adapter->ahw); 2794 2795 qlcnic_release_firmware(adapter); 2796 2797 pci_disable_pcie_error_reporting(pdev); 2798 pci_release_regions(pdev); 2799 pci_disable_device(pdev); 2800 2801 if (adapter->qlcnic_wq) { 2802 destroy_workqueue(adapter->qlcnic_wq); 2803 adapter->qlcnic_wq = NULL; 2804 } 2805 2806 qlcnic_free_adapter_resources(adapter); 2807 kfree(ahw); 2808 free_netdev(netdev); 2809 } 2810 2811 static void qlcnic_shutdown(struct pci_dev *pdev) 2812 { 2813 if (__qlcnic_shutdown(pdev)) 2814 return; 2815 2816 pci_disable_device(pdev); 2817 } 2818 2819 #ifdef CONFIG_PM 2820 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2821 { 2822 int retval; 2823 2824 retval = __qlcnic_shutdown(pdev); 2825 if (retval) 2826 return retval; 2827 2828 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2829 return 0; 2830 } 2831 2832 static int qlcnic_resume(struct pci_dev *pdev) 2833 { 2834 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2835 int err; 2836 2837 err = pci_enable_device(pdev); 2838 if (err) 2839 return err; 2840 2841 pci_set_power_state(pdev, PCI_D0); 2842 pci_set_master(pdev); 2843 pci_restore_state(pdev); 2844 2845 return __qlcnic_resume(adapter); 2846 } 2847 #endif 2848 2849 static int qlcnic_open(struct net_device *netdev) 2850 { 2851 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2852 int err; 2853 2854 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2855 netdev_err(netdev, "%s: Device is in non-operational state\n", 2856 __func__); 2857 2858 return -EIO; 2859 } 2860 2861 netif_carrier_off(netdev); 2862 2863 err = qlcnic_attach(adapter); 2864 if (err) 2865 return err; 2866 2867 err = __qlcnic_up(adapter, netdev); 2868 if (err) 2869 qlcnic_detach(adapter); 2870 2871 return err; 2872 } 2873 2874 /* 2875 * qlcnic_close - Disables a network interface entry point 2876 */ 2877 static int qlcnic_close(struct net_device *netdev) 2878 { 2879 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2880 2881 __qlcnic_down(adapter, netdev); 2882 2883 return 0; 2884 } 2885 2886 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2887 2888 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2889 { 2890 void *head; 2891 int i; 2892 struct net_device *netdev = adapter->netdev; 2893 u32 filter_size = 0; 2894 u16 act_pci_func = 0; 2895 2896 if (adapter->fhash.fmax && adapter->fhash.fhead) 2897 return; 2898 2899 act_pci_func = adapter->ahw->total_nic_func; 2900 spin_lock_init(&adapter->mac_learn_lock); 2901 spin_lock_init(&adapter->rx_mac_learn_lock); 2902 2903 if (qlcnic_sriov_vf_check(adapter)) { 2904 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2905 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2906 } else if (qlcnic_82xx_check(adapter)) { 2907 filter_size = QLCNIC_LB_MAX_FILTERS; 2908 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2909 } else { 2910 filter_size = QLC_83XX_LB_MAX_FILTERS; 2911 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2912 } 2913 2914 head = kcalloc(adapter->fhash.fbucket_size, 2915 sizeof(struct hlist_head), GFP_ATOMIC); 2916 2917 if (!head) 2918 return; 2919 2920 adapter->fhash.fmax = (filter_size / act_pci_func); 2921 adapter->fhash.fhead = head; 2922 2923 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2924 act_pci_func, adapter->fhash.fmax); 2925 2926 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2927 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2928 2929 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2930 2931 head = kcalloc(adapter->rx_fhash.fbucket_size, 2932 sizeof(struct hlist_head), GFP_ATOMIC); 2933 2934 if (!head) 2935 return; 2936 2937 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2938 adapter->rx_fhash.fhead = head; 2939 2940 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2941 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2942 } 2943 2944 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2945 { 2946 if (adapter->fhash.fmax) 2947 kfree(adapter->fhash.fhead); 2948 2949 adapter->fhash.fhead = NULL; 2950 adapter->fhash.fmax = 0; 2951 2952 if (adapter->rx_fhash.fmax) 2953 kfree(adapter->rx_fhash.fhead); 2954 2955 adapter->rx_fhash.fmax = 0; 2956 adapter->rx_fhash.fhead = NULL; 2957 } 2958 2959 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2960 { 2961 struct net_device *netdev = adapter->netdev; 2962 u32 temp_state, temp_val, temp = 0; 2963 int rv = 0; 2964 2965 if (qlcnic_83xx_check(adapter)) 2966 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2967 2968 if (qlcnic_82xx_check(adapter)) 2969 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2970 2971 temp_state = qlcnic_get_temp_state(temp); 2972 temp_val = qlcnic_get_temp_val(temp); 2973 2974 if (temp_state == QLCNIC_TEMP_PANIC) { 2975 dev_err(&netdev->dev, 2976 "Device temperature %d degrees C exceeds" 2977 " maximum allowed. Hardware has been shut down.\n", 2978 temp_val); 2979 rv = 1; 2980 } else if (temp_state == QLCNIC_TEMP_WARN) { 2981 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2982 dev_err(&netdev->dev, 2983 "Device temperature %d degrees C " 2984 "exceeds operating range." 2985 " Immediate action needed.\n", 2986 temp_val); 2987 } 2988 } else { 2989 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2990 dev_info(&netdev->dev, 2991 "Device temperature is now %d degrees C" 2992 " in normal range.\n", temp_val); 2993 } 2994 } 2995 adapter->ahw->temp = temp_state; 2996 return rv; 2997 } 2998 2999 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 3000 { 3001 int i; 3002 struct cmd_desc_type0 *tx_desc_info; 3003 3004 for (i = 0; i < tx_ring->num_desc; i++) { 3005 tx_desc_info = &tx_ring->desc_head[i]; 3006 pr_info("TX Desc: %d\n", i); 3007 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 3008 &tx_ring->desc_head[i], 3009 sizeof(struct cmd_desc_type0), true); 3010 } 3011 } 3012 3013 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3014 { 3015 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3016 struct net_device *netdev = adapter->netdev; 3017 struct qlcnic_host_rds_ring *rds_ring; 3018 struct qlcnic_host_sds_ring *sds_ring; 3019 struct qlcnic_host_tx_ring *tx_ring; 3020 int ring; 3021 3022 if (!netdev || !netif_running(netdev)) 3023 return; 3024 3025 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3026 rds_ring = &recv_ctx->rds_rings[ring]; 3027 if (!rds_ring) 3028 continue; 3029 netdev_info(netdev, 3030 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3031 ring, readl(rds_ring->crb_rcv_producer), 3032 rds_ring->producer, rds_ring->num_desc); 3033 } 3034 3035 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3036 sds_ring = &(recv_ctx->sds_rings[ring]); 3037 if (!sds_ring) 3038 continue; 3039 netdev_info(netdev, 3040 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3041 ring, readl(sds_ring->crb_sts_consumer), 3042 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3043 sds_ring->num_desc); 3044 } 3045 3046 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3047 tx_ring = &adapter->tx_ring[ring]; 3048 if (!tx_ring) 3049 continue; 3050 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3051 ring, tx_ring->ctx_id); 3052 netdev_info(netdev, 3053 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3054 tx_ring->tx_stats.xmit_finished, 3055 tx_ring->tx_stats.xmit_called, 3056 tx_ring->tx_stats.xmit_on, 3057 tx_ring->tx_stats.xmit_off); 3058 3059 if (tx_ring->crb_intr_mask) 3060 netdev_info(netdev, "crb_intr_mask=%d\n", 3061 readl(tx_ring->crb_intr_mask)); 3062 3063 netdev_info(netdev, 3064 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3065 readl(tx_ring->crb_cmd_producer), 3066 tx_ring->producer, tx_ring->sw_consumer, 3067 le32_to_cpu(*(tx_ring->hw_consumer))); 3068 3069 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3070 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3071 3072 if (netif_msg_tx_err(adapter->ahw)) 3073 dump_tx_ring_desc(tx_ring); 3074 } 3075 3076 } 3077 3078 static void qlcnic_tx_timeout(struct net_device *netdev) 3079 { 3080 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3081 3082 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3083 return; 3084 3085 qlcnic_dump_rings(adapter); 3086 3087 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3088 netif_msg_tx_err(adapter->ahw)) { 3089 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3090 if (qlcnic_82xx_check(adapter)) 3091 adapter->need_fw_reset = 1; 3092 else if (qlcnic_83xx_check(adapter)) 3093 qlcnic_83xx_idc_request_reset(adapter, 3094 QLCNIC_FORCE_FW_DUMP_KEY); 3095 } else { 3096 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3097 adapter->ahw->reset_context = 1; 3098 } 3099 } 3100 3101 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3102 { 3103 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3104 struct net_device_stats *stats = &netdev->stats; 3105 3106 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3107 qlcnic_update_stats(adapter); 3108 3109 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3110 stats->tx_packets = adapter->stats.xmitfinished; 3111 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3112 stats->tx_bytes = adapter->stats.txbytes; 3113 stats->rx_dropped = adapter->stats.rxdropped; 3114 stats->tx_dropped = adapter->stats.txdropped; 3115 3116 return stats; 3117 } 3118 3119 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3120 { 3121 u32 status; 3122 3123 status = readl(adapter->isr_int_vec); 3124 3125 if (!(status & adapter->ahw->int_vec_bit)) 3126 return IRQ_NONE; 3127 3128 /* check interrupt state machine, to be sure */ 3129 status = readl(adapter->crb_int_state_reg); 3130 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3131 return IRQ_NONE; 3132 3133 writel(0xffffffff, adapter->tgt_status_reg); 3134 /* read twice to ensure write is flushed */ 3135 readl(adapter->isr_int_vec); 3136 readl(adapter->isr_int_vec); 3137 3138 return IRQ_HANDLED; 3139 } 3140 3141 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3142 { 3143 struct qlcnic_host_sds_ring *sds_ring = data; 3144 struct qlcnic_adapter *adapter = sds_ring->adapter; 3145 3146 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3147 goto done; 3148 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3149 writel(0xffffffff, adapter->tgt_status_reg); 3150 goto done; 3151 } 3152 3153 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3154 return IRQ_NONE; 3155 3156 done: 3157 adapter->ahw->diag_cnt++; 3158 qlcnic_enable_sds_intr(adapter, sds_ring); 3159 return IRQ_HANDLED; 3160 } 3161 3162 static irqreturn_t qlcnic_intr(int irq, void *data) 3163 { 3164 struct qlcnic_host_sds_ring *sds_ring = data; 3165 struct qlcnic_adapter *adapter = sds_ring->adapter; 3166 3167 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3168 return IRQ_NONE; 3169 3170 napi_schedule(&sds_ring->napi); 3171 3172 return IRQ_HANDLED; 3173 } 3174 3175 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3176 { 3177 struct qlcnic_host_sds_ring *sds_ring = data; 3178 struct qlcnic_adapter *adapter = sds_ring->adapter; 3179 3180 /* clear interrupt */ 3181 writel(0xffffffff, adapter->tgt_status_reg); 3182 3183 napi_schedule(&sds_ring->napi); 3184 return IRQ_HANDLED; 3185 } 3186 3187 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3188 { 3189 struct qlcnic_host_sds_ring *sds_ring = data; 3190 3191 napi_schedule(&sds_ring->napi); 3192 return IRQ_HANDLED; 3193 } 3194 3195 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3196 { 3197 struct qlcnic_host_tx_ring *tx_ring = data; 3198 3199 napi_schedule(&tx_ring->napi); 3200 return IRQ_HANDLED; 3201 } 3202 3203 #ifdef CONFIG_NET_POLL_CONTROLLER 3204 static void qlcnic_poll_controller(struct net_device *netdev) 3205 { 3206 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3207 struct qlcnic_host_sds_ring *sds_ring; 3208 struct qlcnic_recv_context *recv_ctx; 3209 struct qlcnic_host_tx_ring *tx_ring; 3210 int ring; 3211 3212 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3213 return; 3214 3215 recv_ctx = adapter->recv_ctx; 3216 3217 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3218 sds_ring = &recv_ctx->sds_rings[ring]; 3219 qlcnic_disable_sds_intr(adapter, sds_ring); 3220 napi_schedule(&sds_ring->napi); 3221 } 3222 3223 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3224 /* Only Multi-Tx queue capable devices need to 3225 * schedule NAPI for TX rings 3226 */ 3227 if ((qlcnic_83xx_check(adapter) && 3228 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3229 (qlcnic_82xx_check(adapter) && 3230 !qlcnic_check_multi_tx(adapter))) 3231 return; 3232 3233 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3234 tx_ring = &adapter->tx_ring[ring]; 3235 qlcnic_disable_tx_intr(adapter, tx_ring); 3236 napi_schedule(&tx_ring->napi); 3237 } 3238 } 3239 } 3240 #endif 3241 3242 static void 3243 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3244 { 3245 u32 val; 3246 3247 val = adapter->portnum & 0xf; 3248 val |= encoding << 7; 3249 val |= (jiffies - adapter->dev_rst_time) << 8; 3250 3251 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3252 adapter->dev_rst_time = jiffies; 3253 } 3254 3255 static int 3256 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3257 { 3258 u32 val; 3259 3260 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3261 state != QLCNIC_DEV_NEED_QUISCENT); 3262 3263 if (qlcnic_api_lock(adapter)) 3264 return -EIO; 3265 3266 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3267 3268 if (state == QLCNIC_DEV_NEED_RESET) 3269 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3270 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3271 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3272 3273 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3274 3275 qlcnic_api_unlock(adapter); 3276 3277 return 0; 3278 } 3279 3280 static int 3281 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3282 { 3283 u32 val; 3284 3285 if (qlcnic_api_lock(adapter)) 3286 return -EBUSY; 3287 3288 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3289 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3291 3292 qlcnic_api_unlock(adapter); 3293 3294 return 0; 3295 } 3296 3297 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3298 { 3299 u32 val; 3300 3301 if (qlcnic_api_lock(adapter)) 3302 goto err; 3303 3304 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3305 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3306 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3307 3308 if (failed) { 3309 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3310 QLCNIC_DEV_FAILED); 3311 dev_info(&adapter->pdev->dev, 3312 "Device state set to Failed. Please Reboot\n"); 3313 } else if (!(val & 0x11111111)) 3314 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3315 QLCNIC_DEV_COLD); 3316 3317 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3318 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3319 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3320 3321 qlcnic_api_unlock(adapter); 3322 err: 3323 adapter->fw_fail_cnt = 0; 3324 adapter->flags &= ~QLCNIC_FW_HANG; 3325 clear_bit(__QLCNIC_START_FW, &adapter->state); 3326 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3327 } 3328 3329 /* Grab api lock, before checking state */ 3330 static int 3331 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3332 { 3333 int act, state, active_mask; 3334 struct qlcnic_hardware_context *ahw = adapter->ahw; 3335 3336 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3337 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3338 3339 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3340 active_mask = (~(1 << (ahw->pci_func * 4))); 3341 act = act & active_mask; 3342 } 3343 3344 if (((state & 0x11111111) == (act & 0x11111111)) || 3345 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3346 return 0; 3347 else 3348 return 1; 3349 } 3350 3351 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3352 { 3353 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3354 3355 if (val != QLCNIC_DRV_IDC_VER) { 3356 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3357 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3358 } 3359 3360 return 0; 3361 } 3362 3363 static int 3364 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3365 { 3366 u32 val, prev_state; 3367 u8 dev_init_timeo = adapter->dev_init_timeo; 3368 u8 portnum = adapter->portnum; 3369 u8 ret; 3370 3371 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3372 return 1; 3373 3374 if (qlcnic_api_lock(adapter)) 3375 return -1; 3376 3377 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3378 if (!(val & (1 << (portnum * 4)))) { 3379 QLC_DEV_SET_REF_CNT(val, portnum); 3380 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3381 } 3382 3383 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3384 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3385 3386 switch (prev_state) { 3387 case QLCNIC_DEV_COLD: 3388 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3389 QLCNIC_DEV_INITIALIZING); 3390 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3391 QLCNIC_DRV_IDC_VER); 3392 qlcnic_idc_debug_info(adapter, 0); 3393 qlcnic_api_unlock(adapter); 3394 return 1; 3395 3396 case QLCNIC_DEV_READY: 3397 ret = qlcnic_check_idc_ver(adapter); 3398 qlcnic_api_unlock(adapter); 3399 return ret; 3400 3401 case QLCNIC_DEV_NEED_RESET: 3402 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3403 QLC_DEV_SET_RST_RDY(val, portnum); 3404 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3405 break; 3406 3407 case QLCNIC_DEV_NEED_QUISCENT: 3408 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3409 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3410 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3411 break; 3412 3413 case QLCNIC_DEV_FAILED: 3414 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3415 qlcnic_api_unlock(adapter); 3416 return -1; 3417 3418 case QLCNIC_DEV_INITIALIZING: 3419 case QLCNIC_DEV_QUISCENT: 3420 break; 3421 } 3422 3423 qlcnic_api_unlock(adapter); 3424 3425 do { 3426 msleep(1000); 3427 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3428 3429 if (prev_state == QLCNIC_DEV_QUISCENT) 3430 continue; 3431 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3432 3433 if (!dev_init_timeo) { 3434 dev_err(&adapter->pdev->dev, 3435 "Waiting for device to initialize timeout\n"); 3436 return -1; 3437 } 3438 3439 if (qlcnic_api_lock(adapter)) 3440 return -1; 3441 3442 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3443 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3444 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3445 3446 ret = qlcnic_check_idc_ver(adapter); 3447 qlcnic_api_unlock(adapter); 3448 3449 return ret; 3450 } 3451 3452 static void 3453 qlcnic_fwinit_work(struct work_struct *work) 3454 { 3455 struct qlcnic_adapter *adapter = container_of(work, 3456 struct qlcnic_adapter, fw_work.work); 3457 u32 dev_state = 0xf; 3458 u32 val; 3459 3460 if (qlcnic_api_lock(adapter)) 3461 goto err_ret; 3462 3463 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3464 if (dev_state == QLCNIC_DEV_QUISCENT || 3465 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3466 qlcnic_api_unlock(adapter); 3467 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3468 FW_POLL_DELAY * 2); 3469 return; 3470 } 3471 3472 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3473 qlcnic_api_unlock(adapter); 3474 goto wait_npar; 3475 } 3476 3477 if (dev_state == QLCNIC_DEV_INITIALIZING || 3478 dev_state == QLCNIC_DEV_READY) { 3479 dev_info(&adapter->pdev->dev, "Detected state change from " 3480 "DEV_NEED_RESET, skipping ack check\n"); 3481 goto skip_ack_check; 3482 } 3483 3484 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3485 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3486 adapter->reset_ack_timeo); 3487 goto skip_ack_check; 3488 } 3489 3490 if (!qlcnic_check_drv_state(adapter)) { 3491 skip_ack_check: 3492 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3493 3494 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3495 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3496 QLCNIC_DEV_INITIALIZING); 3497 set_bit(__QLCNIC_START_FW, &adapter->state); 3498 QLCDB(adapter, DRV, "Restarting fw\n"); 3499 qlcnic_idc_debug_info(adapter, 0); 3500 val = QLC_SHARED_REG_RD32(adapter, 3501 QLCNIC_CRB_DRV_STATE); 3502 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3503 QLC_SHARED_REG_WR32(adapter, 3504 QLCNIC_CRB_DRV_STATE, val); 3505 } 3506 3507 qlcnic_api_unlock(adapter); 3508 3509 rtnl_lock(); 3510 if (qlcnic_check_fw_dump_state(adapter) && 3511 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3512 QLCDB(adapter, DRV, "Take FW dump\n"); 3513 qlcnic_dump_fw(adapter); 3514 adapter->flags |= QLCNIC_FW_HANG; 3515 } 3516 rtnl_unlock(); 3517 3518 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3519 if (!adapter->nic_ops->start_firmware(adapter)) { 3520 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3521 adapter->fw_wait_cnt = 0; 3522 return; 3523 } 3524 goto err_ret; 3525 } 3526 3527 qlcnic_api_unlock(adapter); 3528 3529 wait_npar: 3530 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3531 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3532 3533 switch (dev_state) { 3534 case QLCNIC_DEV_READY: 3535 if (!qlcnic_start_firmware(adapter)) { 3536 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3537 adapter->fw_wait_cnt = 0; 3538 return; 3539 } 3540 case QLCNIC_DEV_FAILED: 3541 break; 3542 default: 3543 qlcnic_schedule_work(adapter, 3544 qlcnic_fwinit_work, FW_POLL_DELAY); 3545 return; 3546 } 3547 3548 err_ret: 3549 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3550 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3551 netif_device_attach(adapter->netdev); 3552 qlcnic_clr_all_drv_state(adapter, 0); 3553 } 3554 3555 static void 3556 qlcnic_detach_work(struct work_struct *work) 3557 { 3558 struct qlcnic_adapter *adapter = container_of(work, 3559 struct qlcnic_adapter, fw_work.work); 3560 struct net_device *netdev = adapter->netdev; 3561 u32 status; 3562 3563 netif_device_detach(netdev); 3564 3565 /* Dont grab rtnl lock during Quiscent mode */ 3566 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3567 if (netif_running(netdev)) 3568 __qlcnic_down(adapter, netdev); 3569 } else 3570 qlcnic_down(adapter, netdev); 3571 3572 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3573 3574 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3575 dev_err(&adapter->pdev->dev, 3576 "Detaching the device: peg halt status1=0x%x\n", 3577 status); 3578 3579 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3580 dev_err(&adapter->pdev->dev, 3581 "On board active cooling fan failed. " 3582 "Device has been halted.\n"); 3583 dev_err(&adapter->pdev->dev, 3584 "Replace the adapter.\n"); 3585 } 3586 3587 goto err_ret; 3588 } 3589 3590 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3591 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3592 adapter->ahw->temp); 3593 goto err_ret; 3594 } 3595 3596 /* Dont ack if this instance is the reset owner */ 3597 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3598 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3599 dev_err(&adapter->pdev->dev, 3600 "Failed to set driver state," 3601 "detaching the device.\n"); 3602 goto err_ret; 3603 } 3604 } 3605 3606 adapter->fw_wait_cnt = 0; 3607 3608 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3609 3610 return; 3611 3612 err_ret: 3613 netif_device_attach(netdev); 3614 qlcnic_clr_all_drv_state(adapter, 1); 3615 } 3616 3617 /*Transit NPAR state to NON Operational */ 3618 static void 3619 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3620 { 3621 u32 state; 3622 3623 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3624 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3625 return; 3626 3627 if (qlcnic_api_lock(adapter)) 3628 return; 3629 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3630 QLCNIC_DEV_NPAR_NON_OPER); 3631 qlcnic_api_unlock(adapter); 3632 } 3633 3634 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3635 u32 key) 3636 { 3637 u32 state, xg_val = 0, gb_val = 0; 3638 3639 qlcnic_xg_set_xg0_mask(xg_val); 3640 qlcnic_xg_set_xg1_mask(xg_val); 3641 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3642 qlcnic_gb_set_gb0_mask(gb_val); 3643 qlcnic_gb_set_gb1_mask(gb_val); 3644 qlcnic_gb_set_gb2_mask(gb_val); 3645 qlcnic_gb_set_gb3_mask(gb_val); 3646 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3647 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3648 " on all ports\n"); 3649 adapter->need_fw_reset = 1; 3650 3651 if (qlcnic_api_lock(adapter)) 3652 return; 3653 3654 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3655 3656 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3657 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3658 __func__); 3659 qlcnic_api_unlock(adapter); 3660 3661 return; 3662 } 3663 3664 if (state == QLCNIC_DEV_READY) { 3665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3666 QLCNIC_DEV_NEED_RESET); 3667 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3668 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3669 qlcnic_idc_debug_info(adapter, 0); 3670 } 3671 3672 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3673 QLCNIC_DEV_NPAR_NON_OPER); 3674 qlcnic_api_unlock(adapter); 3675 } 3676 3677 /* Transit to NPAR READY state from NPAR NOT READY state */ 3678 static void 3679 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3680 { 3681 if (qlcnic_api_lock(adapter)) 3682 return; 3683 3684 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3685 QLCNIC_DEV_NPAR_OPER); 3686 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3687 3688 qlcnic_api_unlock(adapter); 3689 } 3690 3691 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3692 work_func_t func, int delay) 3693 { 3694 if (test_bit(__QLCNIC_AER, &adapter->state)) 3695 return; 3696 3697 INIT_DELAYED_WORK(&adapter->fw_work, func); 3698 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3699 round_jiffies_relative(delay)); 3700 } 3701 3702 static void 3703 qlcnic_attach_work(struct work_struct *work) 3704 { 3705 struct qlcnic_adapter *adapter = container_of(work, 3706 struct qlcnic_adapter, fw_work.work); 3707 struct net_device *netdev = adapter->netdev; 3708 u32 npar_state; 3709 3710 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3711 npar_state = QLC_SHARED_REG_RD32(adapter, 3712 QLCNIC_CRB_DEV_NPAR_STATE); 3713 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3714 qlcnic_clr_all_drv_state(adapter, 0); 3715 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3716 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3717 FW_POLL_DELAY); 3718 else 3719 goto attach; 3720 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3721 return; 3722 } 3723 attach: 3724 qlcnic_dcb_get_info(adapter->dcb); 3725 3726 if (netif_running(netdev)) { 3727 if (qlcnic_up(adapter, netdev)) 3728 goto done; 3729 3730 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3731 } 3732 3733 done: 3734 netif_device_attach(netdev); 3735 adapter->fw_fail_cnt = 0; 3736 adapter->flags &= ~QLCNIC_FW_HANG; 3737 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3738 if (adapter->portnum == 0) 3739 qlcnic_set_drv_version(adapter); 3740 3741 if (!qlcnic_clr_drv_state(adapter)) 3742 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3743 FW_POLL_DELAY); 3744 } 3745 3746 static int 3747 qlcnic_check_health(struct qlcnic_adapter *adapter) 3748 { 3749 struct qlcnic_hardware_context *ahw = adapter->ahw; 3750 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3751 u32 state = 0, heartbeat; 3752 u32 peg_status; 3753 int err = 0; 3754 3755 if (qlcnic_check_temp(adapter)) 3756 goto detach; 3757 3758 if (adapter->need_fw_reset) 3759 qlcnic_dev_request_reset(adapter, 0); 3760 3761 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3762 if (state == QLCNIC_DEV_NEED_RESET) { 3763 qlcnic_set_npar_non_operational(adapter); 3764 adapter->need_fw_reset = 1; 3765 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3766 goto detach; 3767 3768 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3769 if (heartbeat != adapter->heartbeat) { 3770 adapter->heartbeat = heartbeat; 3771 adapter->fw_fail_cnt = 0; 3772 if (adapter->need_fw_reset) 3773 goto detach; 3774 3775 if (ahw->reset_context && qlcnic_auto_fw_reset) 3776 qlcnic_reset_hw_context(adapter); 3777 3778 return 0; 3779 } 3780 3781 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3782 return 0; 3783 3784 adapter->flags |= QLCNIC_FW_HANG; 3785 3786 qlcnic_dev_request_reset(adapter, 0); 3787 3788 if (qlcnic_auto_fw_reset) 3789 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3790 3791 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3792 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3793 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3794 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3795 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3796 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3797 "PEG_NET_4_PC: 0x%x\n", 3798 peg_status, 3799 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3800 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3801 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3802 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3803 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3804 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3805 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3806 dev_err(&adapter->pdev->dev, 3807 "Firmware aborted with error code 0x00006700. " 3808 "Device is being reset.\n"); 3809 detach: 3810 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3811 QLCNIC_DEV_NEED_RESET; 3812 3813 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3814 &adapter->state)) { 3815 3816 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3817 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3818 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3819 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3820 qlcnic_dump_fw(adapter); 3821 } 3822 3823 return 1; 3824 } 3825 3826 void qlcnic_fw_poll_work(struct work_struct *work) 3827 { 3828 struct qlcnic_adapter *adapter = container_of(work, 3829 struct qlcnic_adapter, fw_work.work); 3830 3831 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3832 goto reschedule; 3833 3834 3835 if (qlcnic_check_health(adapter)) 3836 return; 3837 3838 if (adapter->fhash.fnum) 3839 qlcnic_prune_lb_filters(adapter); 3840 3841 reschedule: 3842 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3843 } 3844 3845 static int qlcnic_is_first_func(struct pci_dev *pdev) 3846 { 3847 struct pci_dev *oth_pdev; 3848 int val = pdev->devfn; 3849 3850 while (val-- > 0) { 3851 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3852 (pdev->bus), pdev->bus->number, 3853 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3854 if (!oth_pdev) 3855 continue; 3856 3857 if (oth_pdev->current_state != PCI_D3cold) { 3858 pci_dev_put(oth_pdev); 3859 return 0; 3860 } 3861 pci_dev_put(oth_pdev); 3862 } 3863 return 1; 3864 } 3865 3866 static int qlcnic_attach_func(struct pci_dev *pdev) 3867 { 3868 int err, first_func; 3869 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3870 struct net_device *netdev = adapter->netdev; 3871 3872 pdev->error_state = pci_channel_io_normal; 3873 3874 err = pci_enable_device(pdev); 3875 if (err) 3876 return err; 3877 3878 pci_set_master(pdev); 3879 pci_restore_state(pdev); 3880 3881 first_func = qlcnic_is_first_func(pdev); 3882 3883 if (qlcnic_api_lock(adapter)) 3884 return -EINVAL; 3885 3886 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3887 adapter->need_fw_reset = 1; 3888 set_bit(__QLCNIC_START_FW, &adapter->state); 3889 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3890 QLCNIC_DEV_INITIALIZING); 3891 QLCDB(adapter, DRV, "Restarting fw\n"); 3892 } 3893 qlcnic_api_unlock(adapter); 3894 3895 err = qlcnic_start_firmware(adapter); 3896 if (err) 3897 return err; 3898 3899 qlcnic_clr_drv_state(adapter); 3900 kfree(adapter->msix_entries); 3901 adapter->msix_entries = NULL; 3902 err = qlcnic_setup_intr(adapter); 3903 3904 if (err) { 3905 kfree(adapter->msix_entries); 3906 netdev_err(netdev, "failed to setup interrupt\n"); 3907 return err; 3908 } 3909 3910 if (netif_running(netdev)) { 3911 err = qlcnic_attach(adapter); 3912 if (err) { 3913 qlcnic_clr_all_drv_state(adapter, 1); 3914 clear_bit(__QLCNIC_AER, &adapter->state); 3915 netif_device_attach(netdev); 3916 return err; 3917 } 3918 3919 err = qlcnic_up(adapter, netdev); 3920 if (err) 3921 goto done; 3922 3923 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3924 } 3925 done: 3926 netif_device_attach(netdev); 3927 return err; 3928 } 3929 3930 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3931 pci_channel_state_t state) 3932 { 3933 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3934 struct net_device *netdev = adapter->netdev; 3935 3936 if (state == pci_channel_io_perm_failure) 3937 return PCI_ERS_RESULT_DISCONNECT; 3938 3939 if (state == pci_channel_io_normal) 3940 return PCI_ERS_RESULT_RECOVERED; 3941 3942 set_bit(__QLCNIC_AER, &adapter->state); 3943 netif_device_detach(netdev); 3944 3945 cancel_delayed_work_sync(&adapter->fw_work); 3946 3947 if (netif_running(netdev)) 3948 qlcnic_down(adapter, netdev); 3949 3950 qlcnic_detach(adapter); 3951 qlcnic_teardown_intr(adapter); 3952 3953 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3954 3955 pci_save_state(pdev); 3956 pci_disable_device(pdev); 3957 3958 return PCI_ERS_RESULT_NEED_RESET; 3959 } 3960 3961 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3962 { 3963 pci_ers_result_t res; 3964 3965 rtnl_lock(); 3966 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3967 PCI_ERS_RESULT_RECOVERED; 3968 rtnl_unlock(); 3969 3970 return res; 3971 } 3972 3973 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3974 { 3975 u32 state; 3976 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3977 3978 pci_cleanup_aer_uncorrect_error_status(pdev); 3979 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3980 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3981 &adapter->state)) 3982 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3983 FW_POLL_DELAY); 3984 } 3985 3986 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3987 pci_channel_state_t state) 3988 { 3989 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3990 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3991 3992 if (hw_ops->io_error_detected) { 3993 return hw_ops->io_error_detected(pdev, state); 3994 } else { 3995 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3996 return PCI_ERS_RESULT_DISCONNECT; 3997 } 3998 } 3999 4000 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 4001 { 4002 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4003 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 4004 4005 if (hw_ops->io_slot_reset) { 4006 return hw_ops->io_slot_reset(pdev); 4007 } else { 4008 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 4009 return PCI_ERS_RESULT_DISCONNECT; 4010 } 4011 } 4012 4013 static void qlcnic_io_resume(struct pci_dev *pdev) 4014 { 4015 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4016 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 4017 4018 if (hw_ops->io_resume) 4019 hw_ops->io_resume(pdev); 4020 else 4021 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4022 } 4023 4024 4025 static int 4026 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4027 { 4028 int err; 4029 4030 err = qlcnic_can_start_firmware(adapter); 4031 if (err) 4032 return err; 4033 4034 err = qlcnic_check_npar_opertional(adapter); 4035 if (err) 4036 return err; 4037 4038 err = qlcnic_initialize_nic(adapter); 4039 if (err) 4040 return err; 4041 4042 qlcnic_check_options(adapter); 4043 4044 err = qlcnic_set_eswitch_port_config(adapter); 4045 if (err) 4046 return err; 4047 4048 adapter->need_fw_reset = 0; 4049 4050 return err; 4051 } 4052 4053 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4054 int queue_type) 4055 { 4056 struct net_device *netdev = adapter->netdev; 4057 u8 max_hw_rings = 0; 4058 char buf[8]; 4059 int cur_rings; 4060 4061 if (queue_type == QLCNIC_RX_QUEUE) { 4062 max_hw_rings = adapter->max_sds_rings; 4063 cur_rings = adapter->drv_sds_rings; 4064 strcpy(buf, "SDS"); 4065 } else if (queue_type == QLCNIC_TX_QUEUE) { 4066 max_hw_rings = adapter->max_tx_rings; 4067 cur_rings = adapter->drv_tx_rings; 4068 strcpy(buf, "Tx"); 4069 } 4070 4071 if (!is_power_of_2(ring_cnt)) { 4072 netdev_err(netdev, "%s rings value should be a power of 2\n", 4073 buf); 4074 return -EINVAL; 4075 } 4076 4077 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4078 !qlcnic_check_multi_tx(adapter)) { 4079 netdev_err(netdev, "No Multi Tx queue support\n"); 4080 return -EINVAL; 4081 } 4082 4083 if (ring_cnt > num_online_cpus()) { 4084 netdev_err(netdev, 4085 "%s value[%u] should not be higher than, number of online CPUs\n", 4086 buf, num_online_cpus()); 4087 return -EINVAL; 4088 } 4089 4090 return 0; 4091 } 4092 4093 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4094 { 4095 struct net_device *netdev = adapter->netdev; 4096 u8 tx_rings, rx_rings; 4097 int err; 4098 4099 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4100 return -EBUSY; 4101 4102 tx_rings = adapter->drv_tss_rings; 4103 rx_rings = adapter->drv_rss_rings; 4104 4105 netif_device_detach(netdev); 4106 4107 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4108 if (err) 4109 goto done; 4110 4111 if (netif_running(netdev)) 4112 __qlcnic_down(adapter, netdev); 4113 4114 qlcnic_detach(adapter); 4115 4116 if (qlcnic_83xx_check(adapter)) { 4117 qlcnic_83xx_free_mbx_intr(adapter); 4118 qlcnic_83xx_enable_mbx_poll(adapter); 4119 } 4120 4121 qlcnic_teardown_intr(adapter); 4122 4123 err = qlcnic_setup_intr(adapter); 4124 if (err) { 4125 kfree(adapter->msix_entries); 4126 netdev_err(netdev, "failed to setup interrupt\n"); 4127 return err; 4128 } 4129 4130 /* Check if we need to update real_num_{tx|rx}_queues because 4131 * qlcnic_setup_intr() may change Tx/Rx rings size 4132 */ 4133 if ((tx_rings != adapter->drv_tx_rings) || 4134 (rx_rings != adapter->drv_sds_rings)) { 4135 err = qlcnic_set_real_num_queues(adapter, 4136 adapter->drv_tx_rings, 4137 adapter->drv_sds_rings); 4138 if (err) 4139 goto done; 4140 } 4141 4142 if (qlcnic_83xx_check(adapter)) { 4143 qlcnic_83xx_initialize_nic(adapter, 1); 4144 err = qlcnic_83xx_setup_mbx_intr(adapter); 4145 qlcnic_83xx_disable_mbx_poll(adapter); 4146 if (err) { 4147 dev_err(&adapter->pdev->dev, 4148 "failed to setup mbx interrupt\n"); 4149 goto done; 4150 } 4151 } 4152 4153 if (netif_running(netdev)) { 4154 err = qlcnic_attach(adapter); 4155 if (err) 4156 goto done; 4157 err = __qlcnic_up(adapter, netdev); 4158 if (err) 4159 goto done; 4160 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4161 } 4162 done: 4163 netif_device_attach(netdev); 4164 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4165 return err; 4166 } 4167 4168 #ifdef CONFIG_INET 4169 4170 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4171 4172 static void 4173 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4174 struct net_device *dev, unsigned long event) 4175 { 4176 struct in_device *indev; 4177 4178 indev = in_dev_get(dev); 4179 if (!indev) 4180 return; 4181 4182 for_ifa(indev) { 4183 switch (event) { 4184 case NETDEV_UP: 4185 qlcnic_config_ipaddr(adapter, 4186 ifa->ifa_address, QLCNIC_IP_UP); 4187 break; 4188 case NETDEV_DOWN: 4189 qlcnic_config_ipaddr(adapter, 4190 ifa->ifa_address, QLCNIC_IP_DOWN); 4191 break; 4192 default: 4193 break; 4194 } 4195 } endfor_ifa(indev); 4196 4197 in_dev_put(indev); 4198 } 4199 4200 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4201 { 4202 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4203 struct net_device *dev; 4204 u16 vid; 4205 4206 qlcnic_config_indev_addr(adapter, netdev, event); 4207 4208 rcu_read_lock(); 4209 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4210 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4211 if (!dev) 4212 continue; 4213 qlcnic_config_indev_addr(adapter, dev, event); 4214 } 4215 rcu_read_unlock(); 4216 } 4217 4218 static int qlcnic_netdev_event(struct notifier_block *this, 4219 unsigned long event, void *ptr) 4220 { 4221 struct qlcnic_adapter *adapter; 4222 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4223 4224 recheck: 4225 if (dev == NULL) 4226 goto done; 4227 4228 if (is_vlan_dev(dev)) { 4229 dev = vlan_dev_real_dev(dev); 4230 goto recheck; 4231 } 4232 4233 if (!is_qlcnic_netdev(dev)) 4234 goto done; 4235 4236 adapter = netdev_priv(dev); 4237 4238 if (!adapter) 4239 goto done; 4240 4241 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4242 goto done; 4243 4244 qlcnic_config_indev_addr(adapter, dev, event); 4245 done: 4246 return NOTIFY_DONE; 4247 } 4248 4249 static int 4250 qlcnic_inetaddr_event(struct notifier_block *this, 4251 unsigned long event, void *ptr) 4252 { 4253 struct qlcnic_adapter *adapter; 4254 struct net_device *dev; 4255 4256 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4257 4258 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4259 4260 recheck: 4261 if (dev == NULL) 4262 goto done; 4263 4264 if (is_vlan_dev(dev)) { 4265 dev = vlan_dev_real_dev(dev); 4266 goto recheck; 4267 } 4268 4269 if (!is_qlcnic_netdev(dev)) 4270 goto done; 4271 4272 adapter = netdev_priv(dev); 4273 4274 if (!adapter) 4275 goto done; 4276 4277 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4278 goto done; 4279 4280 switch (event) { 4281 case NETDEV_UP: 4282 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4283 4284 break; 4285 case NETDEV_DOWN: 4286 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4287 4288 break; 4289 default: 4290 break; 4291 } 4292 4293 done: 4294 return NOTIFY_DONE; 4295 } 4296 4297 static struct notifier_block qlcnic_netdev_cb = { 4298 .notifier_call = qlcnic_netdev_event, 4299 }; 4300 4301 static struct notifier_block qlcnic_inetaddr_cb = { 4302 .notifier_call = qlcnic_inetaddr_event, 4303 }; 4304 #else 4305 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4306 { } 4307 #endif 4308 static const struct pci_error_handlers qlcnic_err_handler = { 4309 .error_detected = qlcnic_io_error_detected, 4310 .slot_reset = qlcnic_io_slot_reset, 4311 .resume = qlcnic_io_resume, 4312 }; 4313 4314 static struct pci_driver qlcnic_driver = { 4315 .name = qlcnic_driver_name, 4316 .id_table = qlcnic_pci_tbl, 4317 .probe = qlcnic_probe, 4318 .remove = qlcnic_remove, 4319 #ifdef CONFIG_PM 4320 .suspend = qlcnic_suspend, 4321 .resume = qlcnic_resume, 4322 #endif 4323 .shutdown = qlcnic_shutdown, 4324 .err_handler = &qlcnic_err_handler, 4325 #ifdef CONFIG_QLCNIC_SRIOV 4326 .sriov_configure = qlcnic_pci_sriov_configure, 4327 #endif 4328 4329 }; 4330 4331 static int __init qlcnic_init_module(void) 4332 { 4333 int ret; 4334 4335 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4336 4337 #ifdef CONFIG_INET 4338 register_netdevice_notifier(&qlcnic_netdev_cb); 4339 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4340 #endif 4341 4342 ret = pci_register_driver(&qlcnic_driver); 4343 if (ret) { 4344 #ifdef CONFIG_INET 4345 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4346 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4347 #endif 4348 } 4349 4350 return ret; 4351 } 4352 4353 module_init(qlcnic_init_module); 4354 4355 static void __exit qlcnic_exit_module(void) 4356 { 4357 pci_unregister_driver(&qlcnic_driver); 4358 4359 #ifdef CONFIG_INET 4360 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4361 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4362 #endif 4363 } 4364 4365 module_exit(qlcnic_exit_module); 4366