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 #ifdef CONFIG_QLCNIC_VXLAN 20 #include <net/vxlan.h> 21 #endif 22 23 #include "qlcnic.h" 24 #include "qlcnic_sriov.h" 25 #include "qlcnic_hw.h" 26 27 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 28 MODULE_LICENSE("GPL"); 29 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 30 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 31 32 char qlcnic_driver_name[] = "qlcnic"; 33 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 34 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 35 36 static int qlcnic_mac_learn; 37 module_param(qlcnic_mac_learn, int, 0444); 38 MODULE_PARM_DESC(qlcnic_mac_learn, 39 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 40 41 int qlcnic_use_msi = 1; 42 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 43 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 44 45 int qlcnic_use_msi_x = 1; 46 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 47 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 48 49 int qlcnic_auto_fw_reset = 1; 50 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 51 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 52 53 int qlcnic_load_fw_file; 54 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)"); 55 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 56 57 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 58 static void qlcnic_remove(struct pci_dev *pdev); 59 static int qlcnic_open(struct net_device *netdev); 60 static int qlcnic_close(struct net_device *netdev); 61 static void qlcnic_tx_timeout(struct net_device *netdev); 62 static void qlcnic_attach_work(struct work_struct *work); 63 static void qlcnic_fwinit_work(struct work_struct *work); 64 #ifdef CONFIG_NET_POLL_CONTROLLER 65 static void qlcnic_poll_controller(struct net_device *netdev); 66 #endif 67 68 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 69 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 70 71 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 72 static irqreturn_t qlcnic_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 74 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 75 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 76 77 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 78 static int qlcnic_start_firmware(struct qlcnic_adapter *); 79 80 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 81 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 82 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 83 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 84 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 85 86 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 87 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 88 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 89 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 90 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 91 static void qlcnic_82xx_io_resume(struct pci_dev *); 92 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 93 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 94 pci_channel_state_t); 95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 96 { 97 struct qlcnic_hardware_context *ahw = adapter->ahw; 98 99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 101 else 102 return 1; 103 } 104 105 /* PCI Device ID Table */ 106 #define ENTRY(device) \ 107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 109 110 static const struct pci_device_id qlcnic_pci_tbl[] = { 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 118 {0,} 119 }; 120 121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 122 123 124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 125 { 126 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 127 } 128 129 static const u32 msi_tgt_status[8] = { 130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 134 }; 135 136 static const u32 qlcnic_reg_tbl[] = { 137 0x1B20A8, /* PEG_HALT_STAT1 */ 138 0x1B20AC, /* PEG_HALT_STAT2 */ 139 0x1B20B0, /* FW_HEARTBEAT */ 140 0x1B2100, /* LOCK ID */ 141 0x1B2128, /* FW_CAPABILITIES */ 142 0x1B2138, /* drv active */ 143 0x1B2140, /* dev state */ 144 0x1B2144, /* drv state */ 145 0x1B2148, /* drv scratch */ 146 0x1B214C, /* dev partition info */ 147 0x1B2174, /* drv idc ver */ 148 0x1B2150, /* fw version major */ 149 0x1B2154, /* fw version minor */ 150 0x1B2158, /* fw version sub */ 151 0x1B219C, /* npar state */ 152 0x1B21FC, /* FW_IMG_VALID */ 153 0x1B2250, /* CMD_PEG_STATE */ 154 0x1B233C, /* RCV_PEG_STATE */ 155 0x1B23B4, /* ASIC TEMP */ 156 0x1B216C, /* FW api */ 157 0x1B2170, /* drv op mode */ 158 0x13C010, /* flash lock */ 159 0x13C014, /* flash unlock */ 160 }; 161 162 static const struct qlcnic_board_info qlcnic_boards[] = { 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE844X, 165 0x0, 166 0x0, 167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x24e, 172 "8300 Series Dual Port 10GbE Converged Network Adapter " 173 "(TCP/IP Networking)" }, 174 { PCI_VENDOR_ID_QLOGIC, 175 PCI_DEVICE_ID_QLOGIC_QLE834X, 176 PCI_VENDOR_ID_QLOGIC, 177 0x243, 178 "8300 Series Single Port 10GbE Converged Network Adapter " 179 "(TCP/IP Networking)" }, 180 { PCI_VENDOR_ID_QLOGIC, 181 PCI_DEVICE_ID_QLOGIC_QLE834X, 182 PCI_VENDOR_ID_QLOGIC, 183 0x24a, 184 "8300 Series Dual Port 10GbE Converged Network Adapter " 185 "(TCP/IP Networking)" }, 186 { PCI_VENDOR_ID_QLOGIC, 187 PCI_DEVICE_ID_QLOGIC_QLE834X, 188 PCI_VENDOR_ID_QLOGIC, 189 0x246, 190 "8300 Series Dual Port 10GbE Converged Network Adapter " 191 "(TCP/IP Networking)" }, 192 { PCI_VENDOR_ID_QLOGIC, 193 PCI_DEVICE_ID_QLOGIC_QLE834X, 194 PCI_VENDOR_ID_QLOGIC, 195 0x252, 196 "8300 Series Dual Port 10GbE Converged Network Adapter " 197 "(TCP/IP Networking)" }, 198 { PCI_VENDOR_ID_QLOGIC, 199 PCI_DEVICE_ID_QLOGIC_QLE834X, 200 PCI_VENDOR_ID_QLOGIC, 201 0x26e, 202 "8300 Series Dual Port 10GbE Converged Network Adapter " 203 "(TCP/IP Networking)" }, 204 { PCI_VENDOR_ID_QLOGIC, 205 PCI_DEVICE_ID_QLOGIC_QLE834X, 206 PCI_VENDOR_ID_QLOGIC, 207 0x260, 208 "8300 Series Dual Port 10GbE Converged Network Adapter " 209 "(TCP/IP Networking)" }, 210 { PCI_VENDOR_ID_QLOGIC, 211 PCI_DEVICE_ID_QLOGIC_QLE834X, 212 PCI_VENDOR_ID_QLOGIC, 213 0x266, 214 "8300 Series Single Port 10GbE Converged Network Adapter " 215 "(TCP/IP Networking)" }, 216 { PCI_VENDOR_ID_QLOGIC, 217 PCI_DEVICE_ID_QLOGIC_QLE834X, 218 PCI_VENDOR_ID_QLOGIC, 219 0x269, 220 "8300 Series Dual Port 10GbE Converged Network Adapter " 221 "(TCP/IP Networking)" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE834X, 224 PCI_VENDOR_ID_QLOGIC, 225 0x271, 226 "8300 Series Dual Port 10GbE Converged Network Adapter " 227 "(TCP/IP Networking)" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE834X, 230 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE8830, 233 0x0, 234 0x0, 235 "8830 Series 1/10GbE Controller" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x203, 240 "8200 Series Single Port 10GbE Converged Network Adapter" 241 "(TCP/IP Networking)" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 PCI_VENDOR_ID_QLOGIC, 245 0x207, 246 "8200 Series Dual Port 10GbE Converged Network Adapter" 247 "(TCP/IP Networking)" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20b, 252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20c, 257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 PCI_VENDOR_ID_QLOGIC, 261 0x20f, 262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 263 { PCI_VENDOR_ID_QLOGIC, 264 PCI_DEVICE_ID_QLOGIC_QLE824X, 265 0x103c, 0x3733, 266 "NC523SFP 10Gb 2-port Server Adapter" }, 267 { PCI_VENDOR_ID_QLOGIC, 268 PCI_DEVICE_ID_QLOGIC_QLE824X, 269 0x103c, 0x3346, 270 "CN1000Q Dual Port Converged Network Adapter" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 PCI_VENDOR_ID_QLOGIC, 274 0x210, 275 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 276 { PCI_VENDOR_ID_QLOGIC, 277 PCI_DEVICE_ID_QLOGIC_QLE824X, 278 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 279 }; 280 281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 282 283 static const 284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 285 286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 287 { 288 int size = sizeof(struct qlcnic_host_sds_ring) * count; 289 290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 291 292 return recv_ctx->sds_rings == NULL; 293 } 294 295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 296 { 297 kfree(recv_ctx->sds_rings); 298 recv_ctx->sds_rings = NULL; 299 } 300 301 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 302 { 303 struct net_device *netdev = adapter->netdev; 304 struct pci_dev *pdev = adapter->pdev; 305 u8 mac_addr[ETH_ALEN]; 306 int ret; 307 308 ret = qlcnic_get_mac_address(adapter, mac_addr, 309 adapter->ahw->pci_func); 310 if (ret) 311 return ret; 312 313 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 314 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 315 316 /* set station address */ 317 318 if (!is_valid_ether_addr(netdev->dev_addr)) 319 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 320 netdev->dev_addr); 321 322 return 0; 323 } 324 325 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 326 { 327 struct qlcnic_mac_vlan_list *cur; 328 struct list_head *head; 329 330 list_for_each(head, &adapter->mac_list) { 331 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 332 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 333 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 334 0, QLCNIC_MAC_DEL); 335 list_del(&cur->list); 336 kfree(cur); 337 return; 338 } 339 } 340 } 341 342 static int qlcnic_set_mac(struct net_device *netdev, void *p) 343 { 344 struct qlcnic_adapter *adapter = netdev_priv(netdev); 345 struct sockaddr *addr = p; 346 347 if (qlcnic_sriov_vf_check(adapter)) 348 return -EINVAL; 349 350 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 351 return -EOPNOTSUPP; 352 353 if (!is_valid_ether_addr(addr->sa_data)) 354 return -EINVAL; 355 356 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data)) 357 return 0; 358 359 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 360 netif_device_detach(netdev); 361 qlcnic_napi_disable(adapter); 362 } 363 364 qlcnic_delete_adapter_mac(adapter); 365 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 366 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 367 qlcnic_set_multi(adapter->netdev); 368 369 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 370 netif_device_attach(netdev); 371 qlcnic_napi_enable(adapter); 372 } 373 return 0; 374 } 375 376 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 377 struct net_device *netdev, 378 const unsigned char *addr, u16 vid) 379 { 380 struct qlcnic_adapter *adapter = netdev_priv(netdev); 381 int err = -EOPNOTSUPP; 382 383 if (!adapter->fdb_mac_learn) 384 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 385 386 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 387 qlcnic_sriov_check(adapter)) { 388 if (is_unicast_ether_addr(addr)) { 389 err = dev_uc_del(netdev, addr); 390 if (!err) 391 err = qlcnic_nic_del_mac(adapter, addr); 392 } else if (is_multicast_ether_addr(addr)) { 393 err = dev_mc_del(netdev, addr); 394 } else { 395 err = -EINVAL; 396 } 397 } 398 return err; 399 } 400 401 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 402 struct net_device *netdev, 403 const unsigned char *addr, u16 vid, u16 flags) 404 { 405 struct qlcnic_adapter *adapter = netdev_priv(netdev); 406 int err = 0; 407 408 if (!adapter->fdb_mac_learn) 409 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 410 411 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 412 !qlcnic_sriov_check(adapter)) { 413 pr_info("%s: FDB e-switch is not enabled\n", __func__); 414 return -EOPNOTSUPP; 415 } 416 417 if (ether_addr_equal(addr, adapter->mac_addr)) 418 return err; 419 420 if (is_unicast_ether_addr(addr)) { 421 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 422 err = dev_uc_add_excl(netdev, addr); 423 else 424 err = -ENOMEM; 425 } else if (is_multicast_ether_addr(addr)) { 426 err = dev_mc_add_excl(netdev, addr); 427 } else { 428 err = -EINVAL; 429 } 430 431 return err; 432 } 433 434 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 435 struct net_device *netdev, 436 struct net_device *filter_dev, int idx) 437 { 438 struct qlcnic_adapter *adapter = netdev_priv(netdev); 439 440 if (!adapter->fdb_mac_learn) 441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 442 443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 444 qlcnic_sriov_check(adapter)) 445 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 446 447 return idx; 448 } 449 450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 451 { 452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 453 usleep_range(10000, 11000); 454 455 if (!adapter->fw_work.work.func) 456 return; 457 458 cancel_delayed_work_sync(&adapter->fw_work); 459 } 460 461 static int qlcnic_get_phys_port_id(struct net_device *netdev, 462 struct netdev_phys_item_id *ppid) 463 { 464 struct qlcnic_adapter *adapter = netdev_priv(netdev); 465 struct qlcnic_hardware_context *ahw = adapter->ahw; 466 467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 468 return -EOPNOTSUPP; 469 470 ppid->id_len = sizeof(ahw->phys_port_id); 471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 472 473 return 0; 474 } 475 476 #ifdef CONFIG_QLCNIC_VXLAN 477 static void qlcnic_add_vxlan_port(struct net_device *netdev, 478 sa_family_t sa_family, __be16 port) 479 { 480 struct qlcnic_adapter *adapter = netdev_priv(netdev); 481 struct qlcnic_hardware_context *ahw = adapter->ahw; 482 483 /* Adapter supports only one VXLAN port. Use very first port 484 * for enabling offload 485 */ 486 if (!qlcnic_encap_rx_offload(adapter)) 487 return; 488 if (!ahw->vxlan_port_count) { 489 ahw->vxlan_port_count = 1; 490 ahw->vxlan_port = ntohs(port); 491 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 492 return; 493 } 494 if (ahw->vxlan_port == ntohs(port)) 495 ahw->vxlan_port_count++; 496 497 } 498 499 static void qlcnic_del_vxlan_port(struct net_device *netdev, 500 sa_family_t sa_family, __be16 port) 501 { 502 struct qlcnic_adapter *adapter = netdev_priv(netdev); 503 struct qlcnic_hardware_context *ahw = adapter->ahw; 504 505 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 506 (ahw->vxlan_port != ntohs(port))) 507 return; 508 509 ahw->vxlan_port_count--; 510 if (!ahw->vxlan_port_count) 511 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 512 } 513 514 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 515 struct net_device *dev, 516 netdev_features_t features) 517 { 518 features = vlan_features_check(skb, features); 519 return vxlan_features_check(skb, features); 520 } 521 #endif 522 523 static const struct net_device_ops qlcnic_netdev_ops = { 524 .ndo_open = qlcnic_open, 525 .ndo_stop = qlcnic_close, 526 .ndo_start_xmit = qlcnic_xmit_frame, 527 .ndo_get_stats = qlcnic_get_stats, 528 .ndo_validate_addr = eth_validate_addr, 529 .ndo_set_rx_mode = qlcnic_set_multi, 530 .ndo_set_mac_address = qlcnic_set_mac, 531 .ndo_change_mtu = qlcnic_change_mtu, 532 .ndo_fix_features = qlcnic_fix_features, 533 .ndo_set_features = qlcnic_set_features, 534 .ndo_tx_timeout = qlcnic_tx_timeout, 535 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 536 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 537 .ndo_fdb_add = qlcnic_fdb_add, 538 .ndo_fdb_del = qlcnic_fdb_del, 539 .ndo_fdb_dump = qlcnic_fdb_dump, 540 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 541 #ifdef CONFIG_QLCNIC_VXLAN 542 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 543 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 544 .ndo_features_check = qlcnic_features_check, 545 #endif 546 #ifdef CONFIG_NET_POLL_CONTROLLER 547 .ndo_poll_controller = qlcnic_poll_controller, 548 #endif 549 #ifdef CONFIG_QLCNIC_SRIOV 550 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 551 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 552 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 553 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 554 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 555 #endif 556 }; 557 558 static const struct net_device_ops qlcnic_netdev_failed_ops = { 559 .ndo_open = qlcnic_open, 560 }; 561 562 static struct qlcnic_nic_template qlcnic_ops = { 563 .config_bridged_mode = qlcnic_config_bridged_mode, 564 .config_led = qlcnic_82xx_config_led, 565 .start_firmware = qlcnic_82xx_start_firmware, 566 .request_reset = qlcnic_82xx_dev_request_reset, 567 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 568 .napi_add = qlcnic_82xx_napi_add, 569 .napi_del = qlcnic_82xx_napi_del, 570 .config_ipaddr = qlcnic_82xx_config_ipaddr, 571 .shutdown = qlcnic_82xx_shutdown, 572 .resume = qlcnic_82xx_resume, 573 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 574 }; 575 576 struct qlcnic_nic_template qlcnic_vf_ops = { 577 .config_bridged_mode = qlcnicvf_config_bridged_mode, 578 .config_led = qlcnicvf_config_led, 579 .start_firmware = qlcnicvf_start_firmware 580 }; 581 582 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 583 .read_crb = qlcnic_82xx_read_crb, 584 .write_crb = qlcnic_82xx_write_crb, 585 .read_reg = qlcnic_82xx_hw_read_wx_2M, 586 .write_reg = qlcnic_82xx_hw_write_wx_2M, 587 .get_mac_address = qlcnic_82xx_get_mac_address, 588 .setup_intr = qlcnic_82xx_setup_intr, 589 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 590 .mbx_cmd = qlcnic_82xx_issue_cmd, 591 .get_func_no = qlcnic_82xx_get_func_no, 592 .api_lock = qlcnic_82xx_api_lock, 593 .api_unlock = qlcnic_82xx_api_unlock, 594 .add_sysfs = qlcnic_82xx_add_sysfs, 595 .remove_sysfs = qlcnic_82xx_remove_sysfs, 596 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 597 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 598 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 599 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 600 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 601 .setup_link_event = qlcnic_82xx_linkevent_request, 602 .get_nic_info = qlcnic_82xx_get_nic_info, 603 .get_pci_info = qlcnic_82xx_get_pci_info, 604 .set_nic_info = qlcnic_82xx_set_nic_info, 605 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 606 .napi_enable = qlcnic_82xx_napi_enable, 607 .napi_disable = qlcnic_82xx_napi_disable, 608 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 609 .config_rss = qlcnic_82xx_config_rss, 610 .config_hw_lro = qlcnic_82xx_config_hw_lro, 611 .config_loopback = qlcnic_82xx_set_lb_mode, 612 .clear_loopback = qlcnic_82xx_clear_lb_mode, 613 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 614 .change_l2_filter = qlcnic_82xx_change_filter, 615 .get_board_info = qlcnic_82xx_get_board_info, 616 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 617 .free_mac_list = qlcnic_82xx_free_mac_list, 618 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 619 .io_error_detected = qlcnic_82xx_io_error_detected, 620 .io_slot_reset = qlcnic_82xx_io_slot_reset, 621 .io_resume = qlcnic_82xx_io_resume, 622 .get_beacon_state = qlcnic_82xx_get_beacon_state, 623 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 624 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 625 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 626 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 627 .get_saved_state = qlcnic_82xx_get_saved_state, 628 .set_saved_state = qlcnic_82xx_set_saved_state, 629 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 630 .get_cap_size = qlcnic_82xx_get_cap_size, 631 .set_sys_info = qlcnic_82xx_set_sys_info, 632 .store_cap_mask = qlcnic_82xx_store_cap_mask, 633 }; 634 635 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 636 { 637 struct qlcnic_hardware_context *ahw = adapter->ahw; 638 639 if (qlcnic_82xx_check(adapter) && 640 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 641 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 642 return 0; 643 } else { 644 return 1; 645 } 646 } 647 648 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 649 int queue_type) 650 { 651 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 652 653 if (queue_type == QLCNIC_RX_QUEUE) 654 max_rings = adapter->max_sds_rings; 655 else if (queue_type == QLCNIC_TX_QUEUE) 656 max_rings = adapter->max_tx_rings; 657 658 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 659 max_rings)); 660 661 if (ring_cnt > num_rings) 662 return num_rings; 663 else 664 return ring_cnt; 665 } 666 667 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 668 { 669 /* 83xx adapter does not have max_tx_rings intialized in probe */ 670 if (adapter->max_tx_rings) 671 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 672 QLCNIC_TX_QUEUE); 673 else 674 adapter->drv_tx_rings = tx_cnt; 675 } 676 677 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 678 { 679 /* 83xx adapter does not have max_sds_rings intialized in probe */ 680 if (adapter->max_sds_rings) 681 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 682 QLCNIC_RX_QUEUE); 683 else 684 adapter->drv_sds_rings = rx_cnt; 685 } 686 687 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 688 { 689 struct pci_dev *pdev = adapter->pdev; 690 int num_msix = 0, err = 0, vector; 691 692 adapter->flags &= ~QLCNIC_TSS_RSS; 693 694 if (adapter->drv_tss_rings > 0) 695 num_msix += adapter->drv_tss_rings; 696 else 697 num_msix += adapter->drv_tx_rings; 698 699 if (adapter->drv_rss_rings > 0) 700 num_msix += adapter->drv_rss_rings; 701 else 702 num_msix += adapter->drv_sds_rings; 703 704 if (qlcnic_83xx_check(adapter)) 705 num_msix += 1; 706 707 if (!adapter->msix_entries) { 708 adapter->msix_entries = kcalloc(num_msix, 709 sizeof(struct msix_entry), 710 GFP_KERNEL); 711 if (!adapter->msix_entries) 712 return -ENOMEM; 713 } 714 715 for (vector = 0; vector < num_msix; vector++) 716 adapter->msix_entries[vector].entry = vector; 717 718 restore: 719 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 720 if (err == -ENOSPC) { 721 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 722 return err; 723 724 netdev_info(adapter->netdev, 725 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 726 num_msix, err); 727 728 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 729 730 /* Set rings to 0 so we can restore original TSS/RSS count */ 731 adapter->drv_tss_rings = 0; 732 adapter->drv_rss_rings = 0; 733 734 if (qlcnic_83xx_check(adapter)) 735 num_msix += 1; 736 737 netdev_info(adapter->netdev, 738 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 739 adapter->drv_tx_rings, adapter->drv_sds_rings, 740 num_msix); 741 742 goto restore; 743 } else if (err < 0) { 744 return err; 745 } 746 747 adapter->ahw->num_msix = num_msix; 748 if (adapter->drv_tss_rings > 0) 749 adapter->drv_tx_rings = adapter->drv_tss_rings; 750 751 if (adapter->drv_rss_rings > 0) 752 adapter->drv_sds_rings = adapter->drv_rss_rings; 753 754 return 0; 755 } 756 757 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 758 { 759 struct pci_dev *pdev = adapter->pdev; 760 int err, vector; 761 762 if (!adapter->msix_entries) { 763 adapter->msix_entries = kcalloc(num_msix, 764 sizeof(struct msix_entry), 765 GFP_KERNEL); 766 if (!adapter->msix_entries) 767 return -ENOMEM; 768 } 769 770 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 771 772 if (adapter->ahw->msix_supported) { 773 enable_msix: 774 for (vector = 0; vector < num_msix; vector++) 775 adapter->msix_entries[vector].entry = vector; 776 777 err = pci_enable_msix_range(pdev, 778 adapter->msix_entries, 1, num_msix); 779 780 if (err == num_msix) { 781 adapter->flags |= QLCNIC_MSIX_ENABLED; 782 adapter->ahw->num_msix = num_msix; 783 dev_info(&pdev->dev, "using msi-x interrupts\n"); 784 return 0; 785 } else if (err > 0) { 786 pci_disable_msix(pdev); 787 788 dev_info(&pdev->dev, 789 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 790 num_msix, err); 791 792 if (qlcnic_82xx_check(adapter)) { 793 num_msix = rounddown_pow_of_two(err); 794 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 795 return -ENOSPC; 796 } else { 797 num_msix = rounddown_pow_of_two(err - 1); 798 num_msix += 1; 799 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 800 return -ENOSPC; 801 } 802 803 if (qlcnic_82xx_check(adapter) && 804 !qlcnic_check_multi_tx(adapter)) { 805 adapter->drv_sds_rings = num_msix; 806 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 807 } else { 808 /* Distribute vectors equally */ 809 adapter->drv_tx_rings = num_msix / 2; 810 adapter->drv_sds_rings = adapter->drv_tx_rings; 811 } 812 813 if (num_msix) { 814 dev_info(&pdev->dev, 815 "Trying to allocate %d MSI-X interrupt vectors\n", 816 num_msix); 817 goto enable_msix; 818 } 819 } else { 820 dev_info(&pdev->dev, 821 "Unable to allocate %d MSI-X vectors, err=%d\n", 822 num_msix, err); 823 return err; 824 } 825 } 826 827 return -EIO; 828 } 829 830 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 831 { 832 int num_msix; 833 834 num_msix = adapter->drv_sds_rings; 835 836 if (qlcnic_check_multi_tx(adapter)) 837 num_msix += adapter->drv_tx_rings; 838 else 839 num_msix += QLCNIC_SINGLE_RING; 840 841 return num_msix; 842 } 843 844 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 845 { 846 int err = 0; 847 u32 offset, mask_reg; 848 const struct qlcnic_legacy_intr_set *legacy_intrp; 849 struct qlcnic_hardware_context *ahw = adapter->ahw; 850 struct pci_dev *pdev = adapter->pdev; 851 852 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 853 adapter->flags |= QLCNIC_MSI_ENABLED; 854 offset = msi_tgt_status[adapter->ahw->pci_func]; 855 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 856 offset); 857 dev_info(&pdev->dev, "using msi interrupts\n"); 858 adapter->msix_entries[0].vector = pdev->irq; 859 return err; 860 } 861 862 if (qlcnic_use_msi || qlcnic_use_msi_x) 863 return -EOPNOTSUPP; 864 865 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 866 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 867 offset = legacy_intrp->tgt_status_reg; 868 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 869 mask_reg = legacy_intrp->tgt_mask_reg; 870 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 871 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 872 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 873 dev_info(&pdev->dev, "using legacy interrupts\n"); 874 adapter->msix_entries[0].vector = pdev->irq; 875 return err; 876 } 877 878 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 879 { 880 int num_msix, err = 0; 881 882 if (adapter->flags & QLCNIC_TSS_RSS) { 883 err = qlcnic_setup_tss_rss_intr(adapter); 884 if (err < 0) 885 return err; 886 num_msix = adapter->ahw->num_msix; 887 } else { 888 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 889 890 err = qlcnic_enable_msix(adapter, num_msix); 891 if (err == -ENOMEM) 892 return err; 893 894 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 895 qlcnic_disable_multi_tx(adapter); 896 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 897 898 err = qlcnic_enable_msi_legacy(adapter); 899 if (err) 900 return err; 901 } 902 } 903 904 return 0; 905 } 906 907 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 908 { 909 struct qlcnic_hardware_context *ahw = adapter->ahw; 910 int err, i; 911 912 if (qlcnic_check_multi_tx(adapter) && 913 !ahw->diag_test && 914 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 915 ahw->intr_tbl = vzalloc(ahw->num_msix * 916 sizeof(struct qlcnic_intrpt_config)); 917 if (!ahw->intr_tbl) 918 return -ENOMEM; 919 920 for (i = 0; i < ahw->num_msix; i++) { 921 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 922 ahw->intr_tbl[i].id = i; 923 ahw->intr_tbl[i].src = 0; 924 } 925 926 err = qlcnic_82xx_config_intrpt(adapter, 1); 927 if (err) 928 dev_err(&adapter->pdev->dev, 929 "Failed to configure Interrupt for %d vector\n", 930 ahw->num_msix); 931 return err; 932 } 933 934 return 0; 935 } 936 937 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 938 { 939 if (adapter->flags & QLCNIC_MSIX_ENABLED) 940 pci_disable_msix(adapter->pdev); 941 if (adapter->flags & QLCNIC_MSI_ENABLED) 942 pci_disable_msi(adapter->pdev); 943 944 kfree(adapter->msix_entries); 945 adapter->msix_entries = NULL; 946 947 if (adapter->ahw->intr_tbl) { 948 vfree(adapter->ahw->intr_tbl); 949 adapter->ahw->intr_tbl = NULL; 950 } 951 } 952 953 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 954 { 955 if (ahw->pci_base0 != NULL) 956 iounmap(ahw->pci_base0); 957 } 958 959 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 960 { 961 struct qlcnic_hardware_context *ahw = adapter->ahw; 962 struct qlcnic_pci_info *pci_info; 963 int ret; 964 965 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 966 switch (ahw->port_type) { 967 case QLCNIC_GBE: 968 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 969 break; 970 case QLCNIC_XGBE: 971 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 972 break; 973 } 974 return 0; 975 } 976 977 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 978 return 0; 979 980 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 981 if (!pci_info) 982 return -ENOMEM; 983 984 ret = qlcnic_get_pci_info(adapter, pci_info); 985 kfree(pci_info); 986 return ret; 987 } 988 989 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 990 { 991 bool ret = false; 992 993 if (qlcnic_84xx_check(adapter)) { 994 ret = true; 995 } else if (qlcnic_83xx_check(adapter)) { 996 if (adapter->ahw->extra_capability[0] & 997 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 998 ret = true; 999 else 1000 ret = false; 1001 } 1002 1003 return ret; 1004 } 1005 1006 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1007 { 1008 struct qlcnic_hardware_context *ahw = adapter->ahw; 1009 struct qlcnic_pci_info *pci_info; 1010 int i, id = 0, ret = 0, j = 0; 1011 u16 act_pci_func; 1012 u8 pfn; 1013 1014 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1015 if (!pci_info) 1016 return -ENOMEM; 1017 1018 ret = qlcnic_get_pci_info(adapter, pci_info); 1019 if (ret) 1020 goto err_pci_info; 1021 1022 act_pci_func = ahw->total_nic_func; 1023 1024 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1025 act_pci_func, GFP_KERNEL); 1026 if (!adapter->npars) { 1027 ret = -ENOMEM; 1028 goto err_pci_info; 1029 } 1030 1031 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1032 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1033 if (!adapter->eswitch) { 1034 ret = -ENOMEM; 1035 goto err_npars; 1036 } 1037 1038 for (i = 0; i < ahw->max_vnic_func; i++) { 1039 pfn = pci_info[i].id; 1040 1041 if (pfn >= ahw->max_vnic_func) { 1042 ret = -EINVAL; 1043 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1044 __func__, pfn, ahw->max_vnic_func); 1045 goto err_eswitch; 1046 } 1047 1048 if (!pci_info[i].active || 1049 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1050 continue; 1051 1052 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1053 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1054 &id)) 1055 adapter->npars[j].eswitch_status = true; 1056 else 1057 continue; 1058 } else { 1059 adapter->npars[j].eswitch_status = true; 1060 } 1061 1062 adapter->npars[j].pci_func = pfn; 1063 adapter->npars[j].active = (u8)pci_info[i].active; 1064 adapter->npars[j].type = (u8)pci_info[i].type; 1065 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1066 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1067 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1068 1069 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1070 j++; 1071 } 1072 1073 /* Update eSwitch status for adapters without per port eSwitch 1074 * configuration capability 1075 */ 1076 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1077 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1078 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1079 } 1080 1081 kfree(pci_info); 1082 return 0; 1083 1084 err_eswitch: 1085 kfree(adapter->eswitch); 1086 adapter->eswitch = NULL; 1087 err_npars: 1088 kfree(adapter->npars); 1089 adapter->npars = NULL; 1090 err_pci_info: 1091 kfree(pci_info); 1092 1093 return ret; 1094 } 1095 1096 static int 1097 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1098 { 1099 u8 id; 1100 int ret; 1101 u32 data = QLCNIC_MGMT_FUNC; 1102 struct qlcnic_hardware_context *ahw = adapter->ahw; 1103 1104 ret = qlcnic_api_lock(adapter); 1105 if (ret) 1106 goto err_lock; 1107 1108 id = ahw->pci_func; 1109 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1110 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1111 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1112 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1113 qlcnic_api_unlock(adapter); 1114 err_lock: 1115 return ret; 1116 } 1117 1118 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1119 const struct pci_device_id *ent) 1120 { 1121 u32 op_mode, priv_level; 1122 1123 /* Determine FW API version */ 1124 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1125 QLCNIC_FW_API); 1126 1127 /* Find PCI function number */ 1128 qlcnic_get_func_no(adapter); 1129 1130 /* Determine function privilege level */ 1131 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1132 if (op_mode == QLC_DEV_DRV_DEFAULT) 1133 priv_level = QLCNIC_MGMT_FUNC; 1134 else 1135 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1136 1137 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1138 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1139 dev_info(&adapter->pdev->dev, 1140 "HAL Version: %d Non Privileged function\n", 1141 adapter->ahw->fw_hal_version); 1142 adapter->nic_ops = &qlcnic_vf_ops; 1143 } else 1144 adapter->nic_ops = &qlcnic_ops; 1145 } 1146 1147 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1148 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1149 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1150 { 1151 switch (dev_id) { 1152 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1153 *bar = QLCNIC_82XX_BAR0_LENGTH; 1154 break; 1155 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1156 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1157 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1158 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1159 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1161 *bar = QLCNIC_83XX_BAR0_LENGTH; 1162 break; 1163 default: 1164 *bar = 0; 1165 } 1166 } 1167 1168 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1169 struct qlcnic_hardware_context *ahw) 1170 { 1171 u32 offset; 1172 void __iomem *mem_ptr0 = NULL; 1173 unsigned long mem_len, pci_len0 = 0, bar0_len; 1174 1175 /* remap phys address */ 1176 mem_len = pci_resource_len(pdev, 0); 1177 1178 qlcnic_get_bar_length(pdev->device, &bar0_len); 1179 if (mem_len >= bar0_len) { 1180 1181 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1182 if (mem_ptr0 == NULL) { 1183 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1184 return -EIO; 1185 } 1186 pci_len0 = mem_len; 1187 } else { 1188 return -EIO; 1189 } 1190 1191 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1192 1193 ahw->pci_base0 = mem_ptr0; 1194 ahw->pci_len0 = pci_len0; 1195 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1196 qlcnic_get_ioaddr(ahw, offset); 1197 1198 return 0; 1199 } 1200 1201 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1202 int index) 1203 { 1204 struct pci_dev *pdev = adapter->pdev; 1205 unsigned short subsystem_vendor; 1206 bool ret = true; 1207 1208 subsystem_vendor = pdev->subsystem_vendor; 1209 1210 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1211 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1212 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1213 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1214 ret = true; 1215 else 1216 ret = false; 1217 } 1218 1219 return ret; 1220 } 1221 1222 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1223 { 1224 struct pci_dev *pdev = adapter->pdev; 1225 int i, found = 0; 1226 1227 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1228 if (qlcnic_boards[i].vendor == pdev->vendor && 1229 qlcnic_boards[i].device == pdev->device && 1230 qlcnic_validate_subsystem_id(adapter, i)) { 1231 found = 1; 1232 break; 1233 } 1234 } 1235 1236 if (!found) 1237 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1238 else 1239 sprintf(name, "%pM: %s" , adapter->mac_addr, 1240 qlcnic_boards[i].short_name); 1241 } 1242 1243 static void 1244 qlcnic_check_options(struct qlcnic_adapter *adapter) 1245 { 1246 int err; 1247 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1248 struct pci_dev *pdev = adapter->pdev; 1249 struct qlcnic_hardware_context *ahw = adapter->ahw; 1250 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1251 1252 prev_fw_version = adapter->fw_version; 1253 1254 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1255 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1256 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1257 1258 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1259 1260 err = qlcnic_get_board_info(adapter); 1261 if (err) { 1262 dev_err(&pdev->dev, "Error getting board config info.\n"); 1263 return; 1264 } 1265 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1266 if (fw_dump->tmpl_hdr == NULL || 1267 adapter->fw_version > prev_fw_version) { 1268 vfree(fw_dump->tmpl_hdr); 1269 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1270 dev_info(&pdev->dev, 1271 "Supports FW dump capability\n"); 1272 } 1273 } 1274 1275 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1276 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1277 1278 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1279 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1280 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1281 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1282 } else { 1283 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1284 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1285 } 1286 1287 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1288 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1289 1290 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1291 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1292 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1293 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1294 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1295 } 1296 1297 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1298 1299 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1300 1301 adapter->max_rds_rings = MAX_RDS_RINGS; 1302 } 1303 1304 static int 1305 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1306 { 1307 struct qlcnic_info nic_info; 1308 int err = 0; 1309 1310 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1311 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1312 if (err) 1313 return err; 1314 1315 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1316 adapter->ahw->switch_mode = nic_info.switch_mode; 1317 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1318 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1319 adapter->ahw->capabilities = nic_info.capabilities; 1320 1321 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1322 u32 temp; 1323 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1324 if (err == -EIO) 1325 return err; 1326 adapter->ahw->extra_capability[0] = temp; 1327 } else { 1328 adapter->ahw->extra_capability[0] = 0; 1329 } 1330 1331 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1332 adapter->ahw->max_mtu = nic_info.max_mtu; 1333 1334 if (adapter->ahw->capabilities & BIT_6) { 1335 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1336 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1337 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1338 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1339 1340 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1341 } else { 1342 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1343 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1344 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1345 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1346 } 1347 1348 return err; 1349 } 1350 1351 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1352 struct qlcnic_esw_func_cfg *esw_cfg) 1353 { 1354 if (esw_cfg->discard_tagged) 1355 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1356 else 1357 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1358 1359 if (esw_cfg->vlan_id) { 1360 adapter->rx_pvid = esw_cfg->vlan_id; 1361 adapter->tx_pvid = esw_cfg->vlan_id; 1362 } else { 1363 adapter->rx_pvid = 0; 1364 adapter->tx_pvid = 0; 1365 } 1366 } 1367 1368 static int 1369 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1370 { 1371 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1372 int err; 1373 1374 if (qlcnic_sriov_vf_check(adapter)) { 1375 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1376 if (err) { 1377 netdev_err(netdev, 1378 "Cannot add VLAN filter for VLAN id %d, err=%d", 1379 vid, err); 1380 return err; 1381 } 1382 } 1383 1384 set_bit(vid, adapter->vlans); 1385 return 0; 1386 } 1387 1388 static int 1389 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1390 { 1391 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1392 int err; 1393 1394 if (qlcnic_sriov_vf_check(adapter)) { 1395 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1396 if (err) { 1397 netdev_err(netdev, 1398 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1399 vid, err); 1400 return err; 1401 } 1402 } 1403 1404 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1405 clear_bit(vid, adapter->vlans); 1406 return 0; 1407 } 1408 1409 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1410 struct qlcnic_esw_func_cfg *esw_cfg) 1411 { 1412 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1413 QLCNIC_PROMISC_DISABLED); 1414 1415 if (esw_cfg->mac_anti_spoof) 1416 adapter->flags |= QLCNIC_MACSPOOF; 1417 1418 if (!esw_cfg->mac_override) 1419 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1420 1421 if (!esw_cfg->promisc_mode) 1422 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1423 } 1424 1425 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1426 { 1427 struct qlcnic_esw_func_cfg esw_cfg; 1428 1429 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1430 return 0; 1431 1432 esw_cfg.pci_func = adapter->ahw->pci_func; 1433 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1434 return -EIO; 1435 qlcnic_set_vlan_config(adapter, &esw_cfg); 1436 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1437 qlcnic_set_netdev_features(adapter, &esw_cfg); 1438 1439 return 0; 1440 } 1441 1442 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1443 struct qlcnic_esw_func_cfg *esw_cfg) 1444 { 1445 struct net_device *netdev = adapter->netdev; 1446 1447 if (qlcnic_83xx_check(adapter)) 1448 return; 1449 1450 adapter->offload_flags = esw_cfg->offload_flags; 1451 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1452 netdev_update_features(netdev); 1453 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1454 } 1455 1456 static int 1457 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1458 { 1459 u32 op_mode, priv_level; 1460 int err = 0; 1461 1462 err = qlcnic_initialize_nic(adapter); 1463 if (err) 1464 return err; 1465 1466 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1467 return 0; 1468 1469 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1470 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1471 1472 if (op_mode == QLC_DEV_DRV_DEFAULT) 1473 priv_level = QLCNIC_MGMT_FUNC; 1474 else 1475 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1476 1477 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1478 if (priv_level == QLCNIC_MGMT_FUNC) { 1479 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1480 err = qlcnic_init_pci_info(adapter); 1481 if (err) 1482 return err; 1483 /* Set privilege level for other functions */ 1484 qlcnic_set_function_modes(adapter); 1485 dev_info(&adapter->pdev->dev, 1486 "HAL Version: %d, Management function\n", 1487 adapter->ahw->fw_hal_version); 1488 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1489 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1490 dev_info(&adapter->pdev->dev, 1491 "HAL Version: %d, Privileged function\n", 1492 adapter->ahw->fw_hal_version); 1493 } 1494 } else { 1495 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1496 } 1497 1498 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1499 1500 return err; 1501 } 1502 1503 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1504 { 1505 struct qlcnic_esw_func_cfg esw_cfg; 1506 struct qlcnic_npar_info *npar; 1507 u8 i; 1508 1509 if (adapter->need_fw_reset) 1510 return 0; 1511 1512 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1513 if (!adapter->npars[i].eswitch_status) 1514 continue; 1515 1516 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1517 esw_cfg.pci_func = adapter->npars[i].pci_func; 1518 esw_cfg.mac_override = BIT_0; 1519 esw_cfg.promisc_mode = BIT_0; 1520 if (qlcnic_82xx_check(adapter)) { 1521 esw_cfg.offload_flags = BIT_0; 1522 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1523 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1524 } 1525 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1526 return -EIO; 1527 npar = &adapter->npars[i]; 1528 npar->pvid = esw_cfg.vlan_id; 1529 npar->mac_override = esw_cfg.mac_override; 1530 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1531 npar->discard_tagged = esw_cfg.discard_tagged; 1532 npar->promisc_mode = esw_cfg.promisc_mode; 1533 npar->offload_flags = esw_cfg.offload_flags; 1534 } 1535 1536 return 0; 1537 } 1538 1539 1540 static int 1541 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1542 struct qlcnic_npar_info *npar, int pci_func) 1543 { 1544 struct qlcnic_esw_func_cfg esw_cfg; 1545 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1546 esw_cfg.pci_func = pci_func; 1547 esw_cfg.vlan_id = npar->pvid; 1548 esw_cfg.mac_override = npar->mac_override; 1549 esw_cfg.discard_tagged = npar->discard_tagged; 1550 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1551 esw_cfg.offload_flags = npar->offload_flags; 1552 esw_cfg.promisc_mode = npar->promisc_mode; 1553 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1554 return -EIO; 1555 1556 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1557 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1558 return -EIO; 1559 1560 return 0; 1561 } 1562 1563 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1564 { 1565 int i, err; 1566 struct qlcnic_npar_info *npar; 1567 struct qlcnic_info nic_info; 1568 u8 pci_func; 1569 1570 if (qlcnic_82xx_check(adapter)) 1571 if (!adapter->need_fw_reset) 1572 return 0; 1573 1574 /* Set the NPAR config data after FW reset */ 1575 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1576 npar = &adapter->npars[i]; 1577 pci_func = npar->pci_func; 1578 if (!adapter->npars[i].eswitch_status) 1579 continue; 1580 1581 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1582 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1583 if (err) 1584 return err; 1585 nic_info.min_tx_bw = npar->min_bw; 1586 nic_info.max_tx_bw = npar->max_bw; 1587 err = qlcnic_set_nic_info(adapter, &nic_info); 1588 if (err) 1589 return err; 1590 1591 if (npar->enable_pm) { 1592 err = qlcnic_config_port_mirroring(adapter, 1593 npar->dest_npar, 1, 1594 pci_func); 1595 if (err) 1596 return err; 1597 } 1598 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1599 if (err) 1600 return err; 1601 } 1602 return 0; 1603 } 1604 1605 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1606 { 1607 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1608 u32 npar_state; 1609 1610 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1611 return 0; 1612 1613 npar_state = QLC_SHARED_REG_RD32(adapter, 1614 QLCNIC_CRB_DEV_NPAR_STATE); 1615 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1616 msleep(1000); 1617 npar_state = QLC_SHARED_REG_RD32(adapter, 1618 QLCNIC_CRB_DEV_NPAR_STATE); 1619 } 1620 if (!npar_opt_timeo) { 1621 dev_err(&adapter->pdev->dev, 1622 "Waiting for NPAR state to operational timeout\n"); 1623 return -EIO; 1624 } 1625 return 0; 1626 } 1627 1628 static int 1629 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1630 { 1631 int err; 1632 1633 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1634 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1635 return 0; 1636 1637 err = qlcnic_set_default_offload_settings(adapter); 1638 if (err) 1639 return err; 1640 1641 err = qlcnic_reset_npar_config(adapter); 1642 if (err) 1643 return err; 1644 1645 qlcnic_dev_set_npar_ready(adapter); 1646 1647 return err; 1648 } 1649 1650 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1651 { 1652 int err; 1653 1654 err = qlcnic_can_start_firmware(adapter); 1655 if (err < 0) 1656 return err; 1657 else if (!err) 1658 goto check_fw_status; 1659 1660 if (qlcnic_load_fw_file) 1661 qlcnic_request_firmware(adapter); 1662 else { 1663 err = qlcnic_check_flash_fw_ver(adapter); 1664 if (err) 1665 goto err_out; 1666 1667 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1668 } 1669 1670 err = qlcnic_need_fw_reset(adapter); 1671 if (err == 0) 1672 goto check_fw_status; 1673 1674 err = qlcnic_pinit_from_rom(adapter); 1675 if (err) 1676 goto err_out; 1677 1678 err = qlcnic_load_firmware(adapter); 1679 if (err) 1680 goto err_out; 1681 1682 qlcnic_release_firmware(adapter); 1683 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1684 1685 check_fw_status: 1686 err = qlcnic_check_fw_status(adapter); 1687 if (err) 1688 goto err_out; 1689 1690 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1691 qlcnic_idc_debug_info(adapter, 1); 1692 err = qlcnic_check_eswitch_mode(adapter); 1693 if (err) { 1694 dev_err(&adapter->pdev->dev, 1695 "Memory allocation failed for eswitch\n"); 1696 goto err_out; 1697 } 1698 err = qlcnic_set_mgmt_operations(adapter); 1699 if (err) 1700 goto err_out; 1701 1702 qlcnic_check_options(adapter); 1703 adapter->need_fw_reset = 0; 1704 1705 qlcnic_release_firmware(adapter); 1706 return 0; 1707 1708 err_out: 1709 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1710 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1711 1712 qlcnic_release_firmware(adapter); 1713 return err; 1714 } 1715 1716 static int 1717 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1718 { 1719 irq_handler_t handler; 1720 struct qlcnic_host_sds_ring *sds_ring; 1721 struct qlcnic_host_tx_ring *tx_ring; 1722 int err, ring, num_sds_rings; 1723 1724 unsigned long flags = 0; 1725 struct net_device *netdev = adapter->netdev; 1726 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1727 1728 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1729 if (qlcnic_82xx_check(adapter)) 1730 handler = qlcnic_tmp_intr; 1731 else 1732 handler = qlcnic_83xx_tmp_intr; 1733 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1734 flags |= IRQF_SHARED; 1735 1736 } else { 1737 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1738 handler = qlcnic_msix_intr; 1739 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1740 handler = qlcnic_msi_intr; 1741 else { 1742 flags |= IRQF_SHARED; 1743 if (qlcnic_82xx_check(adapter)) 1744 handler = qlcnic_intr; 1745 else 1746 handler = qlcnic_83xx_intr; 1747 } 1748 } 1749 adapter->irq = netdev->irq; 1750 1751 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1752 if (qlcnic_82xx_check(adapter) || 1753 (qlcnic_83xx_check(adapter) && 1754 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1755 num_sds_rings = adapter->drv_sds_rings; 1756 for (ring = 0; ring < num_sds_rings; ring++) { 1757 sds_ring = &recv_ctx->sds_rings[ring]; 1758 if (qlcnic_82xx_check(adapter) && 1759 !qlcnic_check_multi_tx(adapter) && 1760 (ring == (num_sds_rings - 1))) { 1761 if (!(adapter->flags & 1762 QLCNIC_MSIX_ENABLED)) 1763 snprintf(sds_ring->name, 1764 sizeof(sds_ring->name), 1765 "qlcnic"); 1766 else 1767 snprintf(sds_ring->name, 1768 sizeof(sds_ring->name), 1769 "%s-tx-0-rx-%d", 1770 netdev->name, ring); 1771 } else { 1772 snprintf(sds_ring->name, 1773 sizeof(sds_ring->name), 1774 "%s-rx-%d", 1775 netdev->name, ring); 1776 } 1777 err = request_irq(sds_ring->irq, handler, flags, 1778 sds_ring->name, sds_ring); 1779 if (err) 1780 return err; 1781 } 1782 } 1783 if ((qlcnic_82xx_check(adapter) && 1784 qlcnic_check_multi_tx(adapter)) || 1785 (qlcnic_83xx_check(adapter) && 1786 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1787 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1788 handler = qlcnic_msix_tx_intr; 1789 for (ring = 0; ring < adapter->drv_tx_rings; 1790 ring++) { 1791 tx_ring = &adapter->tx_ring[ring]; 1792 snprintf(tx_ring->name, sizeof(tx_ring->name), 1793 "%s-tx-%d", netdev->name, ring); 1794 err = request_irq(tx_ring->irq, handler, flags, 1795 tx_ring->name, tx_ring); 1796 if (err) 1797 return err; 1798 } 1799 } 1800 } 1801 return 0; 1802 } 1803 1804 static void 1805 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1806 { 1807 int ring; 1808 struct qlcnic_host_sds_ring *sds_ring; 1809 struct qlcnic_host_tx_ring *tx_ring; 1810 1811 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1812 1813 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1814 if (qlcnic_82xx_check(adapter) || 1815 (qlcnic_83xx_check(adapter) && 1816 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1817 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1818 sds_ring = &recv_ctx->sds_rings[ring]; 1819 free_irq(sds_ring->irq, sds_ring); 1820 } 1821 } 1822 if ((qlcnic_83xx_check(adapter) && 1823 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1824 (qlcnic_82xx_check(adapter) && 1825 qlcnic_check_multi_tx(adapter))) { 1826 for (ring = 0; ring < adapter->drv_tx_rings; 1827 ring++) { 1828 tx_ring = &adapter->tx_ring[ring]; 1829 if (tx_ring->irq) 1830 free_irq(tx_ring->irq, tx_ring); 1831 } 1832 } 1833 } 1834 } 1835 1836 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1837 { 1838 u32 capab = 0; 1839 1840 if (qlcnic_82xx_check(adapter)) { 1841 if (adapter->ahw->extra_capability[0] & 1842 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1843 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1844 } else { 1845 capab = adapter->ahw->capabilities; 1846 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1847 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1848 } 1849 } 1850 1851 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1852 { 1853 struct qlcnic_hardware_context *ahw = adapter->ahw; 1854 int err; 1855 1856 /* Initialize interrupt coalesce parameters */ 1857 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1858 1859 if (qlcnic_83xx_check(adapter)) { 1860 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1861 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1862 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1863 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1864 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1865 1866 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1867 } else { 1868 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1869 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1870 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1871 1872 err = qlcnic_82xx_set_rx_coalesce(adapter); 1873 } 1874 1875 return err; 1876 } 1877 1878 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1879 { 1880 int ring; 1881 struct qlcnic_host_rds_ring *rds_ring; 1882 1883 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1884 return -EIO; 1885 1886 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1887 return 0; 1888 1889 if (qlcnic_set_eswitch_port_config(adapter)) 1890 return -EIO; 1891 1892 qlcnic_get_lro_mss_capability(adapter); 1893 1894 if (qlcnic_fw_create_ctx(adapter)) 1895 return -EIO; 1896 1897 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1898 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1899 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1900 } 1901 1902 qlcnic_set_multi(netdev); 1903 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1904 1905 adapter->ahw->linkup = 0; 1906 1907 if (adapter->drv_sds_rings > 1) 1908 qlcnic_config_rss(adapter, 1); 1909 1910 qlcnic_config_def_intr_coalesce(adapter); 1911 1912 if (netdev->features & NETIF_F_LRO) 1913 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1914 1915 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1916 qlcnic_napi_enable(adapter); 1917 1918 qlcnic_linkevent_request(adapter, 1); 1919 1920 adapter->ahw->reset_context = 0; 1921 netif_tx_start_all_queues(netdev); 1922 return 0; 1923 } 1924 1925 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1926 { 1927 int err = 0; 1928 1929 rtnl_lock(); 1930 if (netif_running(netdev)) 1931 err = __qlcnic_up(adapter, netdev); 1932 rtnl_unlock(); 1933 1934 return err; 1935 } 1936 1937 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1938 { 1939 int ring; 1940 1941 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1942 return; 1943 1944 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1945 return; 1946 1947 smp_mb(); 1948 netif_carrier_off(netdev); 1949 adapter->ahw->linkup = 0; 1950 netif_tx_disable(netdev); 1951 1952 qlcnic_free_mac_list(adapter); 1953 1954 if (adapter->fhash.fnum) 1955 qlcnic_delete_lb_filters(adapter); 1956 1957 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1958 if (qlcnic_sriov_vf_check(adapter)) 1959 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1960 1961 qlcnic_napi_disable(adapter); 1962 1963 qlcnic_fw_destroy_ctx(adapter); 1964 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1965 1966 qlcnic_reset_rx_buffers_list(adapter); 1967 1968 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1969 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1970 } 1971 1972 /* Usage: During suspend and firmware recovery module */ 1973 1974 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1975 { 1976 rtnl_lock(); 1977 if (netif_running(netdev)) 1978 __qlcnic_down(adapter, netdev); 1979 rtnl_unlock(); 1980 1981 } 1982 1983 int 1984 qlcnic_attach(struct qlcnic_adapter *adapter) 1985 { 1986 struct net_device *netdev = adapter->netdev; 1987 struct pci_dev *pdev = adapter->pdev; 1988 int err; 1989 1990 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1991 return 0; 1992 1993 err = qlcnic_napi_add(adapter, netdev); 1994 if (err) 1995 return err; 1996 1997 err = qlcnic_alloc_sw_resources(adapter); 1998 if (err) { 1999 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2000 goto err_out_napi_del; 2001 } 2002 2003 err = qlcnic_alloc_hw_resources(adapter); 2004 if (err) { 2005 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2006 goto err_out_free_sw; 2007 } 2008 2009 err = qlcnic_request_irq(adapter); 2010 if (err) { 2011 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2012 goto err_out_free_hw; 2013 } 2014 2015 qlcnic_create_sysfs_entries(adapter); 2016 2017 #ifdef CONFIG_QLCNIC_VXLAN 2018 if (qlcnic_encap_rx_offload(adapter)) 2019 vxlan_get_rx_port(netdev); 2020 #endif 2021 2022 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2023 return 0; 2024 2025 err_out_free_hw: 2026 qlcnic_free_hw_resources(adapter); 2027 err_out_free_sw: 2028 qlcnic_free_sw_resources(adapter); 2029 err_out_napi_del: 2030 qlcnic_napi_del(adapter); 2031 return err; 2032 } 2033 2034 void qlcnic_detach(struct qlcnic_adapter *adapter) 2035 { 2036 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2037 return; 2038 2039 qlcnic_remove_sysfs_entries(adapter); 2040 2041 qlcnic_free_hw_resources(adapter); 2042 qlcnic_release_rx_buffers(adapter); 2043 qlcnic_free_irq(adapter); 2044 qlcnic_napi_del(adapter); 2045 qlcnic_free_sw_resources(adapter); 2046 2047 adapter->is_up = 0; 2048 } 2049 2050 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2051 { 2052 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2053 struct qlcnic_host_sds_ring *sds_ring; 2054 int drv_tx_rings = adapter->drv_tx_rings; 2055 int ring; 2056 2057 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2058 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2059 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2060 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2061 qlcnic_disable_sds_intr(adapter, sds_ring); 2062 } 2063 } 2064 2065 qlcnic_fw_destroy_ctx(adapter); 2066 2067 qlcnic_detach(adapter); 2068 2069 adapter->ahw->diag_test = 0; 2070 adapter->drv_sds_rings = drv_sds_rings; 2071 adapter->drv_tx_rings = drv_tx_rings; 2072 2073 if (qlcnic_attach(adapter)) 2074 goto out; 2075 2076 if (netif_running(netdev)) 2077 __qlcnic_up(adapter, netdev); 2078 out: 2079 netif_device_attach(netdev); 2080 } 2081 2082 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2083 { 2084 struct qlcnic_hardware_context *ahw = adapter->ahw; 2085 int err = 0; 2086 2087 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2088 GFP_KERNEL); 2089 if (!adapter->recv_ctx) { 2090 err = -ENOMEM; 2091 goto err_out; 2092 } 2093 2094 if (qlcnic_83xx_check(adapter)) { 2095 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2096 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2097 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2098 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2099 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2100 } else { 2101 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2102 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2103 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2104 } 2105 2106 /* clear stats */ 2107 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2108 err_out: 2109 return err; 2110 } 2111 2112 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2113 { 2114 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2115 2116 kfree(adapter->recv_ctx); 2117 adapter->recv_ctx = NULL; 2118 2119 if (fw_dump->tmpl_hdr) { 2120 vfree(fw_dump->tmpl_hdr); 2121 fw_dump->tmpl_hdr = NULL; 2122 } 2123 2124 if (fw_dump->dma_buffer) { 2125 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2126 fw_dump->dma_buffer, fw_dump->phys_addr); 2127 fw_dump->dma_buffer = NULL; 2128 } 2129 2130 kfree(adapter->ahw->reset.buff); 2131 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2132 } 2133 2134 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2135 { 2136 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2137 struct qlcnic_host_sds_ring *sds_ring; 2138 struct qlcnic_host_rds_ring *rds_ring; 2139 int ring; 2140 int ret; 2141 2142 netif_device_detach(netdev); 2143 2144 if (netif_running(netdev)) 2145 __qlcnic_down(adapter, netdev); 2146 2147 qlcnic_detach(adapter); 2148 2149 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2150 adapter->ahw->diag_test = test; 2151 adapter->ahw->linkup = 0; 2152 2153 ret = qlcnic_attach(adapter); 2154 if (ret) { 2155 netif_device_attach(netdev); 2156 return ret; 2157 } 2158 2159 ret = qlcnic_fw_create_ctx(adapter); 2160 if (ret) { 2161 qlcnic_detach(adapter); 2162 netif_device_attach(netdev); 2163 return ret; 2164 } 2165 2166 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2167 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2168 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2169 } 2170 2171 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2172 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2173 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2174 qlcnic_enable_sds_intr(adapter, sds_ring); 2175 } 2176 } 2177 2178 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2179 adapter->ahw->loopback_state = 0; 2180 qlcnic_linkevent_request(adapter, 1); 2181 } 2182 2183 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2184 2185 return 0; 2186 } 2187 2188 /* Reset context in hardware only */ 2189 static int 2190 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2191 { 2192 struct net_device *netdev = adapter->netdev; 2193 2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2195 return -EBUSY; 2196 2197 netif_device_detach(netdev); 2198 2199 qlcnic_down(adapter, netdev); 2200 2201 qlcnic_up(adapter, netdev); 2202 2203 netif_device_attach(netdev); 2204 2205 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2206 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2207 return 0; 2208 } 2209 2210 int 2211 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2212 { 2213 int err = 0; 2214 struct net_device *netdev = adapter->netdev; 2215 2216 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2217 return -EBUSY; 2218 2219 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2220 2221 netif_device_detach(netdev); 2222 2223 if (netif_running(netdev)) 2224 __qlcnic_down(adapter, netdev); 2225 2226 qlcnic_detach(adapter); 2227 2228 if (netif_running(netdev)) { 2229 err = qlcnic_attach(adapter); 2230 if (!err) { 2231 __qlcnic_up(adapter, netdev); 2232 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2233 } 2234 } 2235 2236 netif_device_attach(netdev); 2237 } 2238 2239 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2240 return err; 2241 } 2242 2243 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2244 { 2245 struct qlcnic_hardware_context *ahw = adapter->ahw; 2246 u16 act_pci_fn = ahw->total_nic_func; 2247 u16 count; 2248 2249 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2250 if (act_pci_fn <= 2) 2251 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2252 act_pci_fn; 2253 else 2254 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2255 act_pci_fn; 2256 ahw->max_uc_count = count; 2257 } 2258 2259 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2260 u8 tx_queues, u8 rx_queues) 2261 { 2262 struct net_device *netdev = adapter->netdev; 2263 int err = 0; 2264 2265 if (tx_queues) { 2266 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2267 if (err) { 2268 netdev_err(netdev, "failed to set %d Tx queues\n", 2269 tx_queues); 2270 return err; 2271 } 2272 } 2273 2274 if (rx_queues) { 2275 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2276 if (err) 2277 netdev_err(netdev, "failed to set %d Rx queues\n", 2278 rx_queues); 2279 } 2280 2281 return err; 2282 } 2283 2284 int 2285 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2286 int pci_using_dac) 2287 { 2288 int err; 2289 struct pci_dev *pdev = adapter->pdev; 2290 2291 adapter->rx_csum = 1; 2292 adapter->ahw->mc_enabled = 0; 2293 qlcnic_set_mac_filter_count(adapter); 2294 2295 netdev->netdev_ops = &qlcnic_netdev_ops; 2296 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2297 2298 qlcnic_change_mtu(netdev, netdev->mtu); 2299 2300 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2301 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2302 2303 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2304 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2305 NETIF_F_HW_VLAN_CTAG_RX); 2306 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2307 NETIF_F_IPV6_CSUM); 2308 2309 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2310 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2311 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2312 } 2313 2314 if (pci_using_dac) { 2315 netdev->features |= NETIF_F_HIGHDMA; 2316 netdev->vlan_features |= NETIF_F_HIGHDMA; 2317 } 2318 2319 if (qlcnic_vlan_tx_check(adapter)) 2320 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2321 2322 if (qlcnic_sriov_vf_check(adapter)) 2323 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2324 2325 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2326 netdev->features |= NETIF_F_LRO; 2327 2328 if (qlcnic_encap_tx_offload(adapter)) { 2329 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2330 2331 /* encapsulation Tx offload supported by Adapter */ 2332 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2333 NETIF_F_GSO_UDP_TUNNEL | 2334 NETIF_F_TSO | 2335 NETIF_F_TSO6; 2336 } 2337 2338 if (qlcnic_encap_rx_offload(adapter)) 2339 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2340 2341 netdev->hw_features = netdev->features; 2342 netdev->priv_flags |= IFF_UNICAST_FLT; 2343 netdev->irq = adapter->msix_entries[0].vector; 2344 2345 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2346 adapter->drv_sds_rings); 2347 if (err) 2348 return err; 2349 2350 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2351 2352 err = register_netdev(netdev); 2353 if (err) { 2354 dev_err(&pdev->dev, "failed to register net device\n"); 2355 return err; 2356 } 2357 2358 return 0; 2359 } 2360 2361 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2362 { 2363 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2364 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2365 *pci_using_dac = 1; 2366 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2367 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2368 *pci_using_dac = 0; 2369 else { 2370 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2371 return -EIO; 2372 } 2373 2374 return 0; 2375 } 2376 2377 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2378 { 2379 int ring; 2380 struct qlcnic_host_tx_ring *tx_ring; 2381 2382 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2383 tx_ring = &adapter->tx_ring[ring]; 2384 if (tx_ring) { 2385 vfree(tx_ring->cmd_buf_arr); 2386 tx_ring->cmd_buf_arr = NULL; 2387 } 2388 } 2389 kfree(adapter->tx_ring); 2390 } 2391 2392 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2393 struct net_device *netdev) 2394 { 2395 int ring, vector, index; 2396 struct qlcnic_host_tx_ring *tx_ring; 2397 struct qlcnic_cmd_buffer *cmd_buf_arr; 2398 2399 tx_ring = kcalloc(adapter->drv_tx_rings, 2400 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2401 if (tx_ring == NULL) 2402 return -ENOMEM; 2403 2404 adapter->tx_ring = tx_ring; 2405 2406 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2407 tx_ring = &adapter->tx_ring[ring]; 2408 tx_ring->num_desc = adapter->num_txd; 2409 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2410 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2411 if (cmd_buf_arr == NULL) { 2412 qlcnic_free_tx_rings(adapter); 2413 return -ENOMEM; 2414 } 2415 tx_ring->cmd_buf_arr = cmd_buf_arr; 2416 spin_lock_init(&tx_ring->tx_clean_lock); 2417 } 2418 2419 if (qlcnic_83xx_check(adapter) || 2420 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2421 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2422 tx_ring = &adapter->tx_ring[ring]; 2423 tx_ring->adapter = adapter; 2424 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2425 index = adapter->drv_sds_rings + ring; 2426 vector = adapter->msix_entries[index].vector; 2427 tx_ring->irq = vector; 2428 } 2429 } 2430 } 2431 2432 return 0; 2433 } 2434 2435 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2436 { 2437 struct qlcnic_hardware_context *ahw = adapter->ahw; 2438 u32 fw_cmd = 0; 2439 2440 if (qlcnic_82xx_check(adapter)) 2441 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2442 else if (qlcnic_83xx_check(adapter)) 2443 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2444 2445 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2446 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2447 } 2448 2449 /* Reset firmware API lock */ 2450 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2451 { 2452 qlcnic_api_lock(adapter); 2453 qlcnic_api_unlock(adapter); 2454 } 2455 2456 2457 static int 2458 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2459 { 2460 struct net_device *netdev = NULL; 2461 struct qlcnic_adapter *adapter = NULL; 2462 struct qlcnic_hardware_context *ahw; 2463 int err, pci_using_dac = -1; 2464 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2465 2466 err = pci_enable_device(pdev); 2467 if (err) 2468 return err; 2469 2470 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2471 err = -ENODEV; 2472 goto err_out_disable_pdev; 2473 } 2474 2475 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2476 if (err) 2477 goto err_out_disable_pdev; 2478 2479 err = pci_request_regions(pdev, qlcnic_driver_name); 2480 if (err) 2481 goto err_out_disable_pdev; 2482 2483 pci_set_master(pdev); 2484 pci_enable_pcie_error_reporting(pdev); 2485 2486 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2487 if (!ahw) { 2488 err = -ENOMEM; 2489 goto err_out_free_res; 2490 } 2491 2492 switch (ent->device) { 2493 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2494 ahw->hw_ops = &qlcnic_hw_ops; 2495 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2496 break; 2497 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2498 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2499 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2500 qlcnic_83xx_register_map(ahw); 2501 break; 2502 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2503 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2504 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2505 qlcnic_sriov_vf_register_map(ahw); 2506 break; 2507 default: 2508 goto err_out_free_hw_res; 2509 } 2510 2511 err = qlcnic_setup_pci_map(pdev, ahw); 2512 if (err) 2513 goto err_out_free_hw_res; 2514 2515 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2516 QLCNIC_MAX_TX_RINGS); 2517 if (!netdev) { 2518 err = -ENOMEM; 2519 goto err_out_iounmap; 2520 } 2521 2522 SET_NETDEV_DEV(netdev, &pdev->dev); 2523 2524 adapter = netdev_priv(netdev); 2525 adapter->netdev = netdev; 2526 adapter->pdev = pdev; 2527 adapter->ahw = ahw; 2528 2529 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2530 if (adapter->qlcnic_wq == NULL) { 2531 err = -ENOMEM; 2532 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2533 goto err_out_free_netdev; 2534 } 2535 2536 err = qlcnic_alloc_adapter_resources(adapter); 2537 if (err) 2538 goto err_out_free_wq; 2539 2540 adapter->dev_rst_time = jiffies; 2541 ahw->revision_id = pdev->revision; 2542 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2543 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2544 adapter->fdb_mac_learn = true; 2545 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2546 adapter->drv_mac_learn = true; 2547 2548 rwlock_init(&adapter->ahw->crb_lock); 2549 mutex_init(&adapter->ahw->mem_lock); 2550 2551 INIT_LIST_HEAD(&adapter->mac_list); 2552 2553 qlcnic_register_dcb(adapter); 2554 2555 if (qlcnic_82xx_check(adapter)) { 2556 qlcnic_check_vf(adapter, ent); 2557 adapter->portnum = adapter->ahw->pci_func; 2558 qlcnic_reset_api_lock(adapter); 2559 err = qlcnic_start_firmware(adapter); 2560 if (err) { 2561 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2562 "\t\tIf reboot doesn't help, try flashing the card\n"); 2563 goto err_out_maintenance_mode; 2564 } 2565 2566 /* compute and set default and max tx/sds rings */ 2567 if (adapter->ahw->msix_supported) { 2568 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2569 qlcnic_set_tx_ring_count(adapter, 2570 QLCNIC_SINGLE_RING); 2571 else 2572 qlcnic_set_tx_ring_count(adapter, 2573 QLCNIC_DEF_TX_RINGS); 2574 qlcnic_set_sds_ring_count(adapter, 2575 QLCNIC_DEF_SDS_RINGS); 2576 } else { 2577 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2578 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2579 } 2580 2581 err = qlcnic_setup_idc_param(adapter); 2582 if (err) 2583 goto err_out_free_hw; 2584 2585 adapter->flags |= QLCNIC_NEED_FLR; 2586 2587 } else if (qlcnic_83xx_check(adapter)) { 2588 qlcnic_83xx_check_vf(adapter, ent); 2589 adapter->portnum = adapter->ahw->pci_func; 2590 err = qlcnic_83xx_init(adapter, pci_using_dac); 2591 if (err) { 2592 switch (err) { 2593 case -ENOTRECOVERABLE: 2594 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2595 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2596 goto err_out_free_hw; 2597 case -ENOMEM: 2598 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2599 goto err_out_free_hw; 2600 case -EOPNOTSUPP: 2601 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2602 goto err_out_free_hw; 2603 default: 2604 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2605 goto err_out_maintenance_mode; 2606 } 2607 } 2608 2609 if (qlcnic_sriov_vf_check(adapter)) 2610 return 0; 2611 } else { 2612 dev_err(&pdev->dev, 2613 "%s: failed. Please Reboot\n", __func__); 2614 err = -ENODEV; 2615 goto err_out_free_hw; 2616 } 2617 2618 if (qlcnic_read_mac_addr(adapter)) 2619 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2620 2621 qlcnic_read_phys_port_id(adapter); 2622 2623 if (adapter->portnum == 0) { 2624 qlcnic_get_board_name(adapter, board_name); 2625 2626 pr_info("%s: %s Board Chip rev 0x%x\n", 2627 module_name(THIS_MODULE), 2628 board_name, adapter->ahw->revision_id); 2629 } 2630 2631 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2632 !!qlcnic_use_msi) 2633 dev_warn(&pdev->dev, 2634 "Device does not support MSI interrupts\n"); 2635 2636 if (qlcnic_82xx_check(adapter)) { 2637 qlcnic_dcb_enable(adapter->dcb); 2638 qlcnic_dcb_get_info(adapter->dcb); 2639 err = qlcnic_setup_intr(adapter); 2640 2641 if (err) { 2642 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2643 goto err_out_disable_msi; 2644 } 2645 } 2646 2647 err = qlcnic_get_act_pci_func(adapter); 2648 if (err) 2649 goto err_out_disable_mbx_intr; 2650 2651 if (adapter->portnum == 0) 2652 qlcnic_set_drv_version(adapter); 2653 2654 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2655 if (err) 2656 goto err_out_disable_mbx_intr; 2657 2658 pci_set_drvdata(pdev, adapter); 2659 2660 if (qlcnic_82xx_check(adapter)) 2661 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2662 FW_POLL_DELAY); 2663 2664 switch (adapter->ahw->port_type) { 2665 case QLCNIC_GBE: 2666 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2667 adapter->netdev->name); 2668 break; 2669 case QLCNIC_XGBE: 2670 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2671 adapter->netdev->name); 2672 break; 2673 } 2674 2675 if (adapter->drv_mac_learn) 2676 qlcnic_alloc_lb_filters_mem(adapter); 2677 2678 qlcnic_add_sysfs(adapter); 2679 qlcnic_register_hwmon_dev(adapter); 2680 return 0; 2681 2682 err_out_disable_mbx_intr: 2683 if (qlcnic_83xx_check(adapter)) 2684 qlcnic_83xx_free_mbx_intr(adapter); 2685 2686 err_out_disable_msi: 2687 qlcnic_teardown_intr(adapter); 2688 qlcnic_cancel_idc_work(adapter); 2689 qlcnic_clr_all_drv_state(adapter, 0); 2690 2691 err_out_free_hw: 2692 qlcnic_free_adapter_resources(adapter); 2693 2694 err_out_free_wq: 2695 destroy_workqueue(adapter->qlcnic_wq); 2696 2697 err_out_free_netdev: 2698 free_netdev(netdev); 2699 2700 err_out_iounmap: 2701 qlcnic_cleanup_pci_map(ahw); 2702 2703 err_out_free_hw_res: 2704 kfree(ahw); 2705 2706 err_out_free_res: 2707 pci_release_regions(pdev); 2708 2709 err_out_disable_pdev: 2710 pci_disable_device(pdev); 2711 return err; 2712 2713 err_out_maintenance_mode: 2714 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2715 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2716 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2717 ahw->port_type = QLCNIC_XGBE; 2718 2719 if (qlcnic_83xx_check(adapter)) 2720 adapter->tgt_status_reg = NULL; 2721 else 2722 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2723 2724 err = register_netdev(netdev); 2725 2726 if (err) { 2727 dev_err(&pdev->dev, "Failed to register net device\n"); 2728 qlcnic_clr_all_drv_state(adapter, 0); 2729 goto err_out_free_hw; 2730 } 2731 2732 pci_set_drvdata(pdev, adapter); 2733 qlcnic_add_sysfs(adapter); 2734 2735 return 0; 2736 } 2737 2738 static void qlcnic_remove(struct pci_dev *pdev) 2739 { 2740 struct qlcnic_adapter *adapter; 2741 struct net_device *netdev; 2742 struct qlcnic_hardware_context *ahw; 2743 2744 adapter = pci_get_drvdata(pdev); 2745 if (adapter == NULL) 2746 return; 2747 2748 netdev = adapter->netdev; 2749 2750 qlcnic_cancel_idc_work(adapter); 2751 qlcnic_sriov_pf_disable(adapter); 2752 ahw = adapter->ahw; 2753 2754 unregister_netdev(netdev); 2755 qlcnic_sriov_cleanup(adapter); 2756 2757 if (qlcnic_83xx_check(adapter)) { 2758 qlcnic_83xx_initialize_nic(adapter, 0); 2759 cancel_delayed_work_sync(&adapter->idc_aen_work); 2760 qlcnic_83xx_free_mbx_intr(adapter); 2761 qlcnic_83xx_detach_mailbox_work(adapter); 2762 qlcnic_83xx_free_mailbox(ahw->mailbox); 2763 kfree(ahw->fw_info); 2764 } 2765 2766 qlcnic_dcb_free(adapter->dcb); 2767 qlcnic_detach(adapter); 2768 kfree(adapter->npars); 2769 kfree(adapter->eswitch); 2770 2771 if (qlcnic_82xx_check(adapter)) 2772 qlcnic_clr_all_drv_state(adapter, 0); 2773 2774 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2775 2776 qlcnic_free_lb_filters_mem(adapter); 2777 2778 qlcnic_teardown_intr(adapter); 2779 2780 qlcnic_remove_sysfs(adapter); 2781 2782 qlcnic_unregister_hwmon_dev(adapter); 2783 2784 qlcnic_cleanup_pci_map(adapter->ahw); 2785 2786 qlcnic_release_firmware(adapter); 2787 2788 pci_disable_pcie_error_reporting(pdev); 2789 pci_release_regions(pdev); 2790 pci_disable_device(pdev); 2791 2792 if (adapter->qlcnic_wq) { 2793 destroy_workqueue(adapter->qlcnic_wq); 2794 adapter->qlcnic_wq = NULL; 2795 } 2796 2797 qlcnic_free_adapter_resources(adapter); 2798 kfree(ahw); 2799 free_netdev(netdev); 2800 } 2801 2802 static void qlcnic_shutdown(struct pci_dev *pdev) 2803 { 2804 if (__qlcnic_shutdown(pdev)) 2805 return; 2806 2807 pci_disable_device(pdev); 2808 } 2809 2810 #ifdef CONFIG_PM 2811 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2812 { 2813 int retval; 2814 2815 retval = __qlcnic_shutdown(pdev); 2816 if (retval) 2817 return retval; 2818 2819 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2820 return 0; 2821 } 2822 2823 static int qlcnic_resume(struct pci_dev *pdev) 2824 { 2825 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2826 int err; 2827 2828 err = pci_enable_device(pdev); 2829 if (err) 2830 return err; 2831 2832 pci_set_power_state(pdev, PCI_D0); 2833 pci_set_master(pdev); 2834 pci_restore_state(pdev); 2835 2836 return __qlcnic_resume(adapter); 2837 } 2838 #endif 2839 2840 static int qlcnic_open(struct net_device *netdev) 2841 { 2842 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2843 int err; 2844 2845 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2846 netdev_err(netdev, "%s: Device is in non-operational state\n", 2847 __func__); 2848 2849 return -EIO; 2850 } 2851 2852 netif_carrier_off(netdev); 2853 2854 err = qlcnic_attach(adapter); 2855 if (err) 2856 return err; 2857 2858 err = __qlcnic_up(adapter, netdev); 2859 if (err) 2860 qlcnic_detach(adapter); 2861 2862 return err; 2863 } 2864 2865 /* 2866 * qlcnic_close - Disables a network interface entry point 2867 */ 2868 static int qlcnic_close(struct net_device *netdev) 2869 { 2870 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2871 2872 __qlcnic_down(adapter, netdev); 2873 2874 return 0; 2875 } 2876 2877 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2878 2879 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2880 { 2881 void *head; 2882 int i; 2883 struct net_device *netdev = adapter->netdev; 2884 u32 filter_size = 0; 2885 u16 act_pci_func = 0; 2886 2887 if (adapter->fhash.fmax && adapter->fhash.fhead) 2888 return; 2889 2890 act_pci_func = adapter->ahw->total_nic_func; 2891 spin_lock_init(&adapter->mac_learn_lock); 2892 spin_lock_init(&adapter->rx_mac_learn_lock); 2893 2894 if (qlcnic_sriov_vf_check(adapter)) { 2895 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2896 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2897 } else if (qlcnic_82xx_check(adapter)) { 2898 filter_size = QLCNIC_LB_MAX_FILTERS; 2899 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2900 } else { 2901 filter_size = QLC_83XX_LB_MAX_FILTERS; 2902 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2903 } 2904 2905 head = kcalloc(adapter->fhash.fbucket_size, 2906 sizeof(struct hlist_head), GFP_ATOMIC); 2907 2908 if (!head) 2909 return; 2910 2911 adapter->fhash.fmax = (filter_size / act_pci_func); 2912 adapter->fhash.fhead = head; 2913 2914 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2915 act_pci_func, adapter->fhash.fmax); 2916 2917 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2918 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2919 2920 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2921 2922 head = kcalloc(adapter->rx_fhash.fbucket_size, 2923 sizeof(struct hlist_head), GFP_ATOMIC); 2924 2925 if (!head) 2926 return; 2927 2928 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2929 adapter->rx_fhash.fhead = head; 2930 2931 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2932 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2933 } 2934 2935 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2936 { 2937 if (adapter->fhash.fmax) 2938 kfree(adapter->fhash.fhead); 2939 2940 adapter->fhash.fhead = NULL; 2941 adapter->fhash.fmax = 0; 2942 2943 if (adapter->rx_fhash.fmax) 2944 kfree(adapter->rx_fhash.fhead); 2945 2946 adapter->rx_fhash.fmax = 0; 2947 adapter->rx_fhash.fhead = NULL; 2948 } 2949 2950 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2951 { 2952 struct net_device *netdev = adapter->netdev; 2953 u32 temp_state, temp_val, temp = 0; 2954 int rv = 0; 2955 2956 if (qlcnic_83xx_check(adapter)) 2957 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2958 2959 if (qlcnic_82xx_check(adapter)) 2960 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2961 2962 temp_state = qlcnic_get_temp_state(temp); 2963 temp_val = qlcnic_get_temp_val(temp); 2964 2965 if (temp_state == QLCNIC_TEMP_PANIC) { 2966 dev_err(&netdev->dev, 2967 "Device temperature %d degrees C exceeds" 2968 " maximum allowed. Hardware has been shut down.\n", 2969 temp_val); 2970 rv = 1; 2971 } else if (temp_state == QLCNIC_TEMP_WARN) { 2972 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2973 dev_err(&netdev->dev, 2974 "Device temperature %d degrees C " 2975 "exceeds operating range." 2976 " Immediate action needed.\n", 2977 temp_val); 2978 } 2979 } else { 2980 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2981 dev_info(&netdev->dev, 2982 "Device temperature is now %d degrees C" 2983 " in normal range.\n", temp_val); 2984 } 2985 } 2986 adapter->ahw->temp = temp_state; 2987 return rv; 2988 } 2989 2990 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2991 { 2992 int i; 2993 struct cmd_desc_type0 *tx_desc_info; 2994 2995 for (i = 0; i < tx_ring->num_desc; i++) { 2996 tx_desc_info = &tx_ring->desc_head[i]; 2997 pr_info("TX Desc: %d\n", i); 2998 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2999 &tx_ring->desc_head[i], 3000 sizeof(struct cmd_desc_type0), true); 3001 } 3002 } 3003 3004 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3005 { 3006 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3007 struct net_device *netdev = adapter->netdev; 3008 struct qlcnic_host_rds_ring *rds_ring; 3009 struct qlcnic_host_sds_ring *sds_ring; 3010 struct qlcnic_host_tx_ring *tx_ring; 3011 int ring; 3012 3013 if (!netdev || !netif_running(netdev)) 3014 return; 3015 3016 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3017 rds_ring = &recv_ctx->rds_rings[ring]; 3018 if (!rds_ring) 3019 continue; 3020 netdev_info(netdev, 3021 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3022 ring, readl(rds_ring->crb_rcv_producer), 3023 rds_ring->producer, rds_ring->num_desc); 3024 } 3025 3026 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3027 sds_ring = &(recv_ctx->sds_rings[ring]); 3028 if (!sds_ring) 3029 continue; 3030 netdev_info(netdev, 3031 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3032 ring, readl(sds_ring->crb_sts_consumer), 3033 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3034 sds_ring->num_desc); 3035 } 3036 3037 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3038 tx_ring = &adapter->tx_ring[ring]; 3039 if (!tx_ring) 3040 continue; 3041 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3042 ring, tx_ring->ctx_id); 3043 netdev_info(netdev, 3044 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3045 tx_ring->tx_stats.xmit_finished, 3046 tx_ring->tx_stats.xmit_called, 3047 tx_ring->tx_stats.xmit_on, 3048 tx_ring->tx_stats.xmit_off); 3049 3050 if (tx_ring->crb_intr_mask) 3051 netdev_info(netdev, "crb_intr_mask=%d\n", 3052 readl(tx_ring->crb_intr_mask)); 3053 3054 netdev_info(netdev, 3055 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3056 readl(tx_ring->crb_cmd_producer), 3057 tx_ring->producer, tx_ring->sw_consumer, 3058 le32_to_cpu(*(tx_ring->hw_consumer))); 3059 3060 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3061 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3062 3063 if (netif_msg_tx_err(adapter->ahw)) 3064 dump_tx_ring_desc(tx_ring); 3065 } 3066 3067 } 3068 3069 static void qlcnic_tx_timeout(struct net_device *netdev) 3070 { 3071 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3072 3073 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3074 return; 3075 3076 qlcnic_dump_rings(adapter); 3077 3078 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3079 netif_msg_tx_err(adapter->ahw)) { 3080 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3081 if (qlcnic_82xx_check(adapter)) 3082 adapter->need_fw_reset = 1; 3083 else if (qlcnic_83xx_check(adapter)) 3084 qlcnic_83xx_idc_request_reset(adapter, 3085 QLCNIC_FORCE_FW_DUMP_KEY); 3086 } else { 3087 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3088 adapter->ahw->reset_context = 1; 3089 } 3090 } 3091 3092 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3093 { 3094 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3095 struct net_device_stats *stats = &netdev->stats; 3096 3097 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3098 qlcnic_update_stats(adapter); 3099 3100 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3101 stats->tx_packets = adapter->stats.xmitfinished; 3102 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3103 stats->tx_bytes = adapter->stats.txbytes; 3104 stats->rx_dropped = adapter->stats.rxdropped; 3105 stats->tx_dropped = adapter->stats.txdropped; 3106 3107 return stats; 3108 } 3109 3110 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3111 { 3112 u32 status; 3113 3114 status = readl(adapter->isr_int_vec); 3115 3116 if (!(status & adapter->ahw->int_vec_bit)) 3117 return IRQ_NONE; 3118 3119 /* check interrupt state machine, to be sure */ 3120 status = readl(adapter->crb_int_state_reg); 3121 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3122 return IRQ_NONE; 3123 3124 writel(0xffffffff, adapter->tgt_status_reg); 3125 /* read twice to ensure write is flushed */ 3126 readl(adapter->isr_int_vec); 3127 readl(adapter->isr_int_vec); 3128 3129 return IRQ_HANDLED; 3130 } 3131 3132 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3133 { 3134 struct qlcnic_host_sds_ring *sds_ring = data; 3135 struct qlcnic_adapter *adapter = sds_ring->adapter; 3136 3137 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3138 goto done; 3139 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3140 writel(0xffffffff, adapter->tgt_status_reg); 3141 goto done; 3142 } 3143 3144 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3145 return IRQ_NONE; 3146 3147 done: 3148 adapter->ahw->diag_cnt++; 3149 qlcnic_enable_sds_intr(adapter, sds_ring); 3150 return IRQ_HANDLED; 3151 } 3152 3153 static irqreturn_t qlcnic_intr(int irq, void *data) 3154 { 3155 struct qlcnic_host_sds_ring *sds_ring = data; 3156 struct qlcnic_adapter *adapter = sds_ring->adapter; 3157 3158 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3159 return IRQ_NONE; 3160 3161 napi_schedule(&sds_ring->napi); 3162 3163 return IRQ_HANDLED; 3164 } 3165 3166 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3167 { 3168 struct qlcnic_host_sds_ring *sds_ring = data; 3169 struct qlcnic_adapter *adapter = sds_ring->adapter; 3170 3171 /* clear interrupt */ 3172 writel(0xffffffff, adapter->tgt_status_reg); 3173 3174 napi_schedule(&sds_ring->napi); 3175 return IRQ_HANDLED; 3176 } 3177 3178 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3179 { 3180 struct qlcnic_host_sds_ring *sds_ring = data; 3181 3182 napi_schedule(&sds_ring->napi); 3183 return IRQ_HANDLED; 3184 } 3185 3186 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3187 { 3188 struct qlcnic_host_tx_ring *tx_ring = data; 3189 3190 napi_schedule(&tx_ring->napi); 3191 return IRQ_HANDLED; 3192 } 3193 3194 #ifdef CONFIG_NET_POLL_CONTROLLER 3195 static void qlcnic_poll_controller(struct net_device *netdev) 3196 { 3197 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3198 struct qlcnic_host_sds_ring *sds_ring; 3199 struct qlcnic_recv_context *recv_ctx; 3200 struct qlcnic_host_tx_ring *tx_ring; 3201 int ring; 3202 3203 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3204 return; 3205 3206 recv_ctx = adapter->recv_ctx; 3207 3208 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3209 sds_ring = &recv_ctx->sds_rings[ring]; 3210 qlcnic_disable_sds_intr(adapter, sds_ring); 3211 napi_schedule(&sds_ring->napi); 3212 } 3213 3214 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3215 /* Only Multi-Tx queue capable devices need to 3216 * schedule NAPI for TX rings 3217 */ 3218 if ((qlcnic_83xx_check(adapter) && 3219 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3220 (qlcnic_82xx_check(adapter) && 3221 !qlcnic_check_multi_tx(adapter))) 3222 return; 3223 3224 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3225 tx_ring = &adapter->tx_ring[ring]; 3226 qlcnic_disable_tx_intr(adapter, tx_ring); 3227 napi_schedule(&tx_ring->napi); 3228 } 3229 } 3230 } 3231 #endif 3232 3233 static void 3234 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3235 { 3236 u32 val; 3237 3238 val = adapter->portnum & 0xf; 3239 val |= encoding << 7; 3240 val |= (jiffies - adapter->dev_rst_time) << 8; 3241 3242 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3243 adapter->dev_rst_time = jiffies; 3244 } 3245 3246 static int 3247 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3248 { 3249 u32 val; 3250 3251 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3252 state != QLCNIC_DEV_NEED_QUISCENT); 3253 3254 if (qlcnic_api_lock(adapter)) 3255 return -EIO; 3256 3257 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3258 3259 if (state == QLCNIC_DEV_NEED_RESET) 3260 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3261 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3262 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3263 3264 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3265 3266 qlcnic_api_unlock(adapter); 3267 3268 return 0; 3269 } 3270 3271 static int 3272 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3273 { 3274 u32 val; 3275 3276 if (qlcnic_api_lock(adapter)) 3277 return -EBUSY; 3278 3279 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3280 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3281 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3282 3283 qlcnic_api_unlock(adapter); 3284 3285 return 0; 3286 } 3287 3288 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3289 { 3290 u32 val; 3291 3292 if (qlcnic_api_lock(adapter)) 3293 goto err; 3294 3295 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3296 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3297 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3298 3299 if (failed) { 3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3301 QLCNIC_DEV_FAILED); 3302 dev_info(&adapter->pdev->dev, 3303 "Device state set to Failed. Please Reboot\n"); 3304 } else if (!(val & 0x11111111)) 3305 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3306 QLCNIC_DEV_COLD); 3307 3308 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3309 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3310 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3311 3312 qlcnic_api_unlock(adapter); 3313 err: 3314 adapter->fw_fail_cnt = 0; 3315 adapter->flags &= ~QLCNIC_FW_HANG; 3316 clear_bit(__QLCNIC_START_FW, &adapter->state); 3317 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3318 } 3319 3320 /* Grab api lock, before checking state */ 3321 static int 3322 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3323 { 3324 int act, state, active_mask; 3325 struct qlcnic_hardware_context *ahw = adapter->ahw; 3326 3327 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3328 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3329 3330 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3331 active_mask = (~(1 << (ahw->pci_func * 4))); 3332 act = act & active_mask; 3333 } 3334 3335 if (((state & 0x11111111) == (act & 0x11111111)) || 3336 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3337 return 0; 3338 else 3339 return 1; 3340 } 3341 3342 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3343 { 3344 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3345 3346 if (val != QLCNIC_DRV_IDC_VER) { 3347 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3348 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3349 } 3350 3351 return 0; 3352 } 3353 3354 static int 3355 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3356 { 3357 u32 val, prev_state; 3358 u8 dev_init_timeo = adapter->dev_init_timeo; 3359 u8 portnum = adapter->portnum; 3360 u8 ret; 3361 3362 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3363 return 1; 3364 3365 if (qlcnic_api_lock(adapter)) 3366 return -1; 3367 3368 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3369 if (!(val & (1 << (portnum * 4)))) { 3370 QLC_DEV_SET_REF_CNT(val, portnum); 3371 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3372 } 3373 3374 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3375 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3376 3377 switch (prev_state) { 3378 case QLCNIC_DEV_COLD: 3379 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3380 QLCNIC_DEV_INITIALIZING); 3381 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3382 QLCNIC_DRV_IDC_VER); 3383 qlcnic_idc_debug_info(adapter, 0); 3384 qlcnic_api_unlock(adapter); 3385 return 1; 3386 3387 case QLCNIC_DEV_READY: 3388 ret = qlcnic_check_idc_ver(adapter); 3389 qlcnic_api_unlock(adapter); 3390 return ret; 3391 3392 case QLCNIC_DEV_NEED_RESET: 3393 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3394 QLC_DEV_SET_RST_RDY(val, portnum); 3395 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3396 break; 3397 3398 case QLCNIC_DEV_NEED_QUISCENT: 3399 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3400 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3401 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3402 break; 3403 3404 case QLCNIC_DEV_FAILED: 3405 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3406 qlcnic_api_unlock(adapter); 3407 return -1; 3408 3409 case QLCNIC_DEV_INITIALIZING: 3410 case QLCNIC_DEV_QUISCENT: 3411 break; 3412 } 3413 3414 qlcnic_api_unlock(adapter); 3415 3416 do { 3417 msleep(1000); 3418 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3419 3420 if (prev_state == QLCNIC_DEV_QUISCENT) 3421 continue; 3422 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3423 3424 if (!dev_init_timeo) { 3425 dev_err(&adapter->pdev->dev, 3426 "Waiting for device to initialize timeout\n"); 3427 return -1; 3428 } 3429 3430 if (qlcnic_api_lock(adapter)) 3431 return -1; 3432 3433 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3434 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3435 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3436 3437 ret = qlcnic_check_idc_ver(adapter); 3438 qlcnic_api_unlock(adapter); 3439 3440 return ret; 3441 } 3442 3443 static void 3444 qlcnic_fwinit_work(struct work_struct *work) 3445 { 3446 struct qlcnic_adapter *adapter = container_of(work, 3447 struct qlcnic_adapter, fw_work.work); 3448 u32 dev_state = 0xf; 3449 u32 val; 3450 3451 if (qlcnic_api_lock(adapter)) 3452 goto err_ret; 3453 3454 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3455 if (dev_state == QLCNIC_DEV_QUISCENT || 3456 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3457 qlcnic_api_unlock(adapter); 3458 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3459 FW_POLL_DELAY * 2); 3460 return; 3461 } 3462 3463 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3464 qlcnic_api_unlock(adapter); 3465 goto wait_npar; 3466 } 3467 3468 if (dev_state == QLCNIC_DEV_INITIALIZING || 3469 dev_state == QLCNIC_DEV_READY) { 3470 dev_info(&adapter->pdev->dev, "Detected state change from " 3471 "DEV_NEED_RESET, skipping ack check\n"); 3472 goto skip_ack_check; 3473 } 3474 3475 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3476 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3477 adapter->reset_ack_timeo); 3478 goto skip_ack_check; 3479 } 3480 3481 if (!qlcnic_check_drv_state(adapter)) { 3482 skip_ack_check: 3483 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3484 3485 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3486 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3487 QLCNIC_DEV_INITIALIZING); 3488 set_bit(__QLCNIC_START_FW, &adapter->state); 3489 QLCDB(adapter, DRV, "Restarting fw\n"); 3490 qlcnic_idc_debug_info(adapter, 0); 3491 val = QLC_SHARED_REG_RD32(adapter, 3492 QLCNIC_CRB_DRV_STATE); 3493 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3494 QLC_SHARED_REG_WR32(adapter, 3495 QLCNIC_CRB_DRV_STATE, val); 3496 } 3497 3498 qlcnic_api_unlock(adapter); 3499 3500 rtnl_lock(); 3501 if (qlcnic_check_fw_dump_state(adapter) && 3502 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3503 QLCDB(adapter, DRV, "Take FW dump\n"); 3504 qlcnic_dump_fw(adapter); 3505 adapter->flags |= QLCNIC_FW_HANG; 3506 } 3507 rtnl_unlock(); 3508 3509 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3510 if (!adapter->nic_ops->start_firmware(adapter)) { 3511 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3512 adapter->fw_wait_cnt = 0; 3513 return; 3514 } 3515 goto err_ret; 3516 } 3517 3518 qlcnic_api_unlock(adapter); 3519 3520 wait_npar: 3521 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3522 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3523 3524 switch (dev_state) { 3525 case QLCNIC_DEV_READY: 3526 if (!qlcnic_start_firmware(adapter)) { 3527 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3528 adapter->fw_wait_cnt = 0; 3529 return; 3530 } 3531 case QLCNIC_DEV_FAILED: 3532 break; 3533 default: 3534 qlcnic_schedule_work(adapter, 3535 qlcnic_fwinit_work, FW_POLL_DELAY); 3536 return; 3537 } 3538 3539 err_ret: 3540 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3541 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3542 netif_device_attach(adapter->netdev); 3543 qlcnic_clr_all_drv_state(adapter, 0); 3544 } 3545 3546 static void 3547 qlcnic_detach_work(struct work_struct *work) 3548 { 3549 struct qlcnic_adapter *adapter = container_of(work, 3550 struct qlcnic_adapter, fw_work.work); 3551 struct net_device *netdev = adapter->netdev; 3552 u32 status; 3553 3554 netif_device_detach(netdev); 3555 3556 /* Dont grab rtnl lock during Quiscent mode */ 3557 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3558 if (netif_running(netdev)) 3559 __qlcnic_down(adapter, netdev); 3560 } else 3561 qlcnic_down(adapter, netdev); 3562 3563 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3564 3565 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3566 dev_err(&adapter->pdev->dev, 3567 "Detaching the device: peg halt status1=0x%x\n", 3568 status); 3569 3570 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3571 dev_err(&adapter->pdev->dev, 3572 "On board active cooling fan failed. " 3573 "Device has been halted.\n"); 3574 dev_err(&adapter->pdev->dev, 3575 "Replace the adapter.\n"); 3576 } 3577 3578 goto err_ret; 3579 } 3580 3581 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3582 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3583 adapter->ahw->temp); 3584 goto err_ret; 3585 } 3586 3587 /* Dont ack if this instance is the reset owner */ 3588 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3589 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3590 dev_err(&adapter->pdev->dev, 3591 "Failed to set driver state," 3592 "detaching the device.\n"); 3593 goto err_ret; 3594 } 3595 } 3596 3597 adapter->fw_wait_cnt = 0; 3598 3599 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3600 3601 return; 3602 3603 err_ret: 3604 netif_device_attach(netdev); 3605 qlcnic_clr_all_drv_state(adapter, 1); 3606 } 3607 3608 /*Transit NPAR state to NON Operational */ 3609 static void 3610 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3611 { 3612 u32 state; 3613 3614 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3615 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3616 return; 3617 3618 if (qlcnic_api_lock(adapter)) 3619 return; 3620 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3621 QLCNIC_DEV_NPAR_NON_OPER); 3622 qlcnic_api_unlock(adapter); 3623 } 3624 3625 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3626 u32 key) 3627 { 3628 u32 state, xg_val = 0, gb_val = 0; 3629 3630 qlcnic_xg_set_xg0_mask(xg_val); 3631 qlcnic_xg_set_xg1_mask(xg_val); 3632 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3633 qlcnic_gb_set_gb0_mask(gb_val); 3634 qlcnic_gb_set_gb1_mask(gb_val); 3635 qlcnic_gb_set_gb2_mask(gb_val); 3636 qlcnic_gb_set_gb3_mask(gb_val); 3637 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3638 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3639 " on all ports\n"); 3640 adapter->need_fw_reset = 1; 3641 3642 if (qlcnic_api_lock(adapter)) 3643 return; 3644 3645 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3646 3647 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3648 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3649 __func__); 3650 qlcnic_api_unlock(adapter); 3651 3652 return; 3653 } 3654 3655 if (state == QLCNIC_DEV_READY) { 3656 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3657 QLCNIC_DEV_NEED_RESET); 3658 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3659 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3660 qlcnic_idc_debug_info(adapter, 0); 3661 } 3662 3663 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3664 QLCNIC_DEV_NPAR_NON_OPER); 3665 qlcnic_api_unlock(adapter); 3666 } 3667 3668 /* Transit to NPAR READY state from NPAR NOT READY state */ 3669 static void 3670 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3671 { 3672 if (qlcnic_api_lock(adapter)) 3673 return; 3674 3675 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3676 QLCNIC_DEV_NPAR_OPER); 3677 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3678 3679 qlcnic_api_unlock(adapter); 3680 } 3681 3682 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3683 work_func_t func, int delay) 3684 { 3685 if (test_bit(__QLCNIC_AER, &adapter->state)) 3686 return; 3687 3688 INIT_DELAYED_WORK(&adapter->fw_work, func); 3689 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3690 round_jiffies_relative(delay)); 3691 } 3692 3693 static void 3694 qlcnic_attach_work(struct work_struct *work) 3695 { 3696 struct qlcnic_adapter *adapter = container_of(work, 3697 struct qlcnic_adapter, fw_work.work); 3698 struct net_device *netdev = adapter->netdev; 3699 u32 npar_state; 3700 3701 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3702 npar_state = QLC_SHARED_REG_RD32(adapter, 3703 QLCNIC_CRB_DEV_NPAR_STATE); 3704 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3705 qlcnic_clr_all_drv_state(adapter, 0); 3706 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3707 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3708 FW_POLL_DELAY); 3709 else 3710 goto attach; 3711 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3712 return; 3713 } 3714 attach: 3715 qlcnic_dcb_get_info(adapter->dcb); 3716 3717 if (netif_running(netdev)) { 3718 if (qlcnic_up(adapter, netdev)) 3719 goto done; 3720 3721 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3722 } 3723 3724 done: 3725 netif_device_attach(netdev); 3726 adapter->fw_fail_cnt = 0; 3727 adapter->flags &= ~QLCNIC_FW_HANG; 3728 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3729 if (adapter->portnum == 0) 3730 qlcnic_set_drv_version(adapter); 3731 3732 if (!qlcnic_clr_drv_state(adapter)) 3733 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3734 FW_POLL_DELAY); 3735 } 3736 3737 static int 3738 qlcnic_check_health(struct qlcnic_adapter *adapter) 3739 { 3740 struct qlcnic_hardware_context *ahw = adapter->ahw; 3741 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3742 u32 state = 0, heartbeat; 3743 u32 peg_status; 3744 int err = 0; 3745 3746 if (qlcnic_check_temp(adapter)) 3747 goto detach; 3748 3749 if (adapter->need_fw_reset) 3750 qlcnic_dev_request_reset(adapter, 0); 3751 3752 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3753 if (state == QLCNIC_DEV_NEED_RESET) { 3754 qlcnic_set_npar_non_operational(adapter); 3755 adapter->need_fw_reset = 1; 3756 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3757 goto detach; 3758 3759 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3760 if (heartbeat != adapter->heartbeat) { 3761 adapter->heartbeat = heartbeat; 3762 adapter->fw_fail_cnt = 0; 3763 if (adapter->need_fw_reset) 3764 goto detach; 3765 3766 if (ahw->reset_context && qlcnic_auto_fw_reset) 3767 qlcnic_reset_hw_context(adapter); 3768 3769 return 0; 3770 } 3771 3772 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3773 return 0; 3774 3775 adapter->flags |= QLCNIC_FW_HANG; 3776 3777 qlcnic_dev_request_reset(adapter, 0); 3778 3779 if (qlcnic_auto_fw_reset) 3780 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3781 3782 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3783 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3784 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3785 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3786 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3787 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3788 "PEG_NET_4_PC: 0x%x\n", 3789 peg_status, 3790 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3791 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3792 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3793 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3794 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3795 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3796 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3797 dev_err(&adapter->pdev->dev, 3798 "Firmware aborted with error code 0x00006700. " 3799 "Device is being reset.\n"); 3800 detach: 3801 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3802 QLCNIC_DEV_NEED_RESET; 3803 3804 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3805 &adapter->state)) { 3806 3807 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3808 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3809 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3810 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3811 qlcnic_dump_fw(adapter); 3812 } 3813 3814 return 1; 3815 } 3816 3817 void qlcnic_fw_poll_work(struct work_struct *work) 3818 { 3819 struct qlcnic_adapter *adapter = container_of(work, 3820 struct qlcnic_adapter, fw_work.work); 3821 3822 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3823 goto reschedule; 3824 3825 3826 if (qlcnic_check_health(adapter)) 3827 return; 3828 3829 if (adapter->fhash.fnum) 3830 qlcnic_prune_lb_filters(adapter); 3831 3832 reschedule: 3833 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3834 } 3835 3836 static int qlcnic_is_first_func(struct pci_dev *pdev) 3837 { 3838 struct pci_dev *oth_pdev; 3839 int val = pdev->devfn; 3840 3841 while (val-- > 0) { 3842 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3843 (pdev->bus), pdev->bus->number, 3844 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3845 if (!oth_pdev) 3846 continue; 3847 3848 if (oth_pdev->current_state != PCI_D3cold) { 3849 pci_dev_put(oth_pdev); 3850 return 0; 3851 } 3852 pci_dev_put(oth_pdev); 3853 } 3854 return 1; 3855 } 3856 3857 static int qlcnic_attach_func(struct pci_dev *pdev) 3858 { 3859 int err, first_func; 3860 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3861 struct net_device *netdev = adapter->netdev; 3862 3863 pdev->error_state = pci_channel_io_normal; 3864 3865 err = pci_enable_device(pdev); 3866 if (err) 3867 return err; 3868 3869 pci_set_master(pdev); 3870 pci_restore_state(pdev); 3871 3872 first_func = qlcnic_is_first_func(pdev); 3873 3874 if (qlcnic_api_lock(adapter)) 3875 return -EINVAL; 3876 3877 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3878 adapter->need_fw_reset = 1; 3879 set_bit(__QLCNIC_START_FW, &adapter->state); 3880 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3881 QLCNIC_DEV_INITIALIZING); 3882 QLCDB(adapter, DRV, "Restarting fw\n"); 3883 } 3884 qlcnic_api_unlock(adapter); 3885 3886 err = qlcnic_start_firmware(adapter); 3887 if (err) 3888 return err; 3889 3890 qlcnic_clr_drv_state(adapter); 3891 kfree(adapter->msix_entries); 3892 adapter->msix_entries = NULL; 3893 err = qlcnic_setup_intr(adapter); 3894 3895 if (err) { 3896 kfree(adapter->msix_entries); 3897 netdev_err(netdev, "failed to setup interrupt\n"); 3898 return err; 3899 } 3900 3901 if (netif_running(netdev)) { 3902 err = qlcnic_attach(adapter); 3903 if (err) { 3904 qlcnic_clr_all_drv_state(adapter, 1); 3905 clear_bit(__QLCNIC_AER, &adapter->state); 3906 netif_device_attach(netdev); 3907 return err; 3908 } 3909 3910 err = qlcnic_up(adapter, netdev); 3911 if (err) 3912 goto done; 3913 3914 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3915 } 3916 done: 3917 netif_device_attach(netdev); 3918 return err; 3919 } 3920 3921 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3922 pci_channel_state_t state) 3923 { 3924 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3925 struct net_device *netdev = adapter->netdev; 3926 3927 if (state == pci_channel_io_perm_failure) 3928 return PCI_ERS_RESULT_DISCONNECT; 3929 3930 if (state == pci_channel_io_normal) 3931 return PCI_ERS_RESULT_RECOVERED; 3932 3933 set_bit(__QLCNIC_AER, &adapter->state); 3934 netif_device_detach(netdev); 3935 3936 cancel_delayed_work_sync(&adapter->fw_work); 3937 3938 if (netif_running(netdev)) 3939 qlcnic_down(adapter, netdev); 3940 3941 qlcnic_detach(adapter); 3942 qlcnic_teardown_intr(adapter); 3943 3944 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3945 3946 pci_save_state(pdev); 3947 pci_disable_device(pdev); 3948 3949 return PCI_ERS_RESULT_NEED_RESET; 3950 } 3951 3952 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3953 { 3954 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3955 PCI_ERS_RESULT_RECOVERED; 3956 } 3957 3958 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3959 { 3960 u32 state; 3961 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3962 3963 pci_cleanup_aer_uncorrect_error_status(pdev); 3964 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3965 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3966 &adapter->state)) 3967 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3968 FW_POLL_DELAY); 3969 } 3970 3971 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3972 pci_channel_state_t state) 3973 { 3974 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3975 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3976 3977 if (hw_ops->io_error_detected) { 3978 return hw_ops->io_error_detected(pdev, state); 3979 } else { 3980 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3981 return PCI_ERS_RESULT_DISCONNECT; 3982 } 3983 } 3984 3985 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3986 { 3987 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3988 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3989 3990 if (hw_ops->io_slot_reset) { 3991 return hw_ops->io_slot_reset(pdev); 3992 } else { 3993 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3994 return PCI_ERS_RESULT_DISCONNECT; 3995 } 3996 } 3997 3998 static void qlcnic_io_resume(struct pci_dev *pdev) 3999 { 4000 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4001 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 4002 4003 if (hw_ops->io_resume) 4004 hw_ops->io_resume(pdev); 4005 else 4006 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4007 } 4008 4009 4010 static int 4011 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4012 { 4013 int err; 4014 4015 err = qlcnic_can_start_firmware(adapter); 4016 if (err) 4017 return err; 4018 4019 err = qlcnic_check_npar_opertional(adapter); 4020 if (err) 4021 return err; 4022 4023 err = qlcnic_initialize_nic(adapter); 4024 if (err) 4025 return err; 4026 4027 qlcnic_check_options(adapter); 4028 4029 err = qlcnic_set_eswitch_port_config(adapter); 4030 if (err) 4031 return err; 4032 4033 adapter->need_fw_reset = 0; 4034 4035 return err; 4036 } 4037 4038 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4039 int queue_type) 4040 { 4041 struct net_device *netdev = adapter->netdev; 4042 u8 max_hw_rings = 0; 4043 char buf[8]; 4044 int cur_rings; 4045 4046 if (queue_type == QLCNIC_RX_QUEUE) { 4047 max_hw_rings = adapter->max_sds_rings; 4048 cur_rings = adapter->drv_sds_rings; 4049 strcpy(buf, "SDS"); 4050 } else if (queue_type == QLCNIC_TX_QUEUE) { 4051 max_hw_rings = adapter->max_tx_rings; 4052 cur_rings = adapter->drv_tx_rings; 4053 strcpy(buf, "Tx"); 4054 } 4055 4056 if (!is_power_of_2(ring_cnt)) { 4057 netdev_err(netdev, "%s rings value should be a power of 2\n", 4058 buf); 4059 return -EINVAL; 4060 } 4061 4062 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4063 !qlcnic_check_multi_tx(adapter)) { 4064 netdev_err(netdev, "No Multi Tx queue support\n"); 4065 return -EINVAL; 4066 } 4067 4068 if (ring_cnt > num_online_cpus()) { 4069 netdev_err(netdev, 4070 "%s value[%u] should not be higher than, number of online CPUs\n", 4071 buf, num_online_cpus()); 4072 return -EINVAL; 4073 } 4074 4075 return 0; 4076 } 4077 4078 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4079 { 4080 struct net_device *netdev = adapter->netdev; 4081 u8 tx_rings, rx_rings; 4082 int err; 4083 4084 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4085 return -EBUSY; 4086 4087 tx_rings = adapter->drv_tss_rings; 4088 rx_rings = adapter->drv_rss_rings; 4089 4090 netif_device_detach(netdev); 4091 4092 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4093 if (err) 4094 goto done; 4095 4096 if (netif_running(netdev)) 4097 __qlcnic_down(adapter, netdev); 4098 4099 qlcnic_detach(adapter); 4100 4101 if (qlcnic_83xx_check(adapter)) { 4102 qlcnic_83xx_free_mbx_intr(adapter); 4103 qlcnic_83xx_enable_mbx_poll(adapter); 4104 } 4105 4106 qlcnic_teardown_intr(adapter); 4107 4108 err = qlcnic_setup_intr(adapter); 4109 if (err) { 4110 kfree(adapter->msix_entries); 4111 netdev_err(netdev, "failed to setup interrupt\n"); 4112 return err; 4113 } 4114 4115 /* Check if we need to update real_num_{tx|rx}_queues because 4116 * qlcnic_setup_intr() may change Tx/Rx rings size 4117 */ 4118 if ((tx_rings != adapter->drv_tx_rings) || 4119 (rx_rings != adapter->drv_sds_rings)) { 4120 err = qlcnic_set_real_num_queues(adapter, 4121 adapter->drv_tx_rings, 4122 adapter->drv_sds_rings); 4123 if (err) 4124 goto done; 4125 } 4126 4127 if (qlcnic_83xx_check(adapter)) { 4128 qlcnic_83xx_initialize_nic(adapter, 1); 4129 err = qlcnic_83xx_setup_mbx_intr(adapter); 4130 qlcnic_83xx_disable_mbx_poll(adapter); 4131 if (err) { 4132 dev_err(&adapter->pdev->dev, 4133 "failed to setup mbx interrupt\n"); 4134 goto done; 4135 } 4136 } 4137 4138 if (netif_running(netdev)) { 4139 err = qlcnic_attach(adapter); 4140 if (err) 4141 goto done; 4142 err = __qlcnic_up(adapter, netdev); 4143 if (err) 4144 goto done; 4145 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4146 } 4147 done: 4148 netif_device_attach(netdev); 4149 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4150 return err; 4151 } 4152 4153 #ifdef CONFIG_INET 4154 4155 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4156 4157 static void 4158 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4159 struct net_device *dev, unsigned long event) 4160 { 4161 struct in_device *indev; 4162 4163 indev = in_dev_get(dev); 4164 if (!indev) 4165 return; 4166 4167 for_ifa(indev) { 4168 switch (event) { 4169 case NETDEV_UP: 4170 qlcnic_config_ipaddr(adapter, 4171 ifa->ifa_address, QLCNIC_IP_UP); 4172 break; 4173 case NETDEV_DOWN: 4174 qlcnic_config_ipaddr(adapter, 4175 ifa->ifa_address, QLCNIC_IP_DOWN); 4176 break; 4177 default: 4178 break; 4179 } 4180 } endfor_ifa(indev); 4181 4182 in_dev_put(indev); 4183 } 4184 4185 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4186 { 4187 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4188 struct net_device *dev; 4189 u16 vid; 4190 4191 qlcnic_config_indev_addr(adapter, netdev, event); 4192 4193 rcu_read_lock(); 4194 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4195 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4196 if (!dev) 4197 continue; 4198 qlcnic_config_indev_addr(adapter, dev, event); 4199 } 4200 rcu_read_unlock(); 4201 } 4202 4203 static int qlcnic_netdev_event(struct notifier_block *this, 4204 unsigned long event, void *ptr) 4205 { 4206 struct qlcnic_adapter *adapter; 4207 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4208 4209 recheck: 4210 if (dev == NULL) 4211 goto done; 4212 4213 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4214 dev = vlan_dev_real_dev(dev); 4215 goto recheck; 4216 } 4217 4218 if (!is_qlcnic_netdev(dev)) 4219 goto done; 4220 4221 adapter = netdev_priv(dev); 4222 4223 if (!adapter) 4224 goto done; 4225 4226 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4227 goto done; 4228 4229 qlcnic_config_indev_addr(adapter, dev, event); 4230 done: 4231 return NOTIFY_DONE; 4232 } 4233 4234 static int 4235 qlcnic_inetaddr_event(struct notifier_block *this, 4236 unsigned long event, void *ptr) 4237 { 4238 struct qlcnic_adapter *adapter; 4239 struct net_device *dev; 4240 4241 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4242 4243 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4244 4245 recheck: 4246 if (dev == NULL) 4247 goto done; 4248 4249 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4250 dev = vlan_dev_real_dev(dev); 4251 goto recheck; 4252 } 4253 4254 if (!is_qlcnic_netdev(dev)) 4255 goto done; 4256 4257 adapter = netdev_priv(dev); 4258 4259 if (!adapter) 4260 goto done; 4261 4262 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4263 goto done; 4264 4265 switch (event) { 4266 case NETDEV_UP: 4267 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4268 4269 break; 4270 case NETDEV_DOWN: 4271 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4272 4273 break; 4274 default: 4275 break; 4276 } 4277 4278 done: 4279 return NOTIFY_DONE; 4280 } 4281 4282 static struct notifier_block qlcnic_netdev_cb = { 4283 .notifier_call = qlcnic_netdev_event, 4284 }; 4285 4286 static struct notifier_block qlcnic_inetaddr_cb = { 4287 .notifier_call = qlcnic_inetaddr_event, 4288 }; 4289 #else 4290 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4291 { } 4292 #endif 4293 static const struct pci_error_handlers qlcnic_err_handler = { 4294 .error_detected = qlcnic_io_error_detected, 4295 .slot_reset = qlcnic_io_slot_reset, 4296 .resume = qlcnic_io_resume, 4297 }; 4298 4299 static struct pci_driver qlcnic_driver = { 4300 .name = qlcnic_driver_name, 4301 .id_table = qlcnic_pci_tbl, 4302 .probe = qlcnic_probe, 4303 .remove = qlcnic_remove, 4304 #ifdef CONFIG_PM 4305 .suspend = qlcnic_suspend, 4306 .resume = qlcnic_resume, 4307 #endif 4308 .shutdown = qlcnic_shutdown, 4309 .err_handler = &qlcnic_err_handler, 4310 #ifdef CONFIG_QLCNIC_SRIOV 4311 .sriov_configure = qlcnic_pci_sriov_configure, 4312 #endif 4313 4314 }; 4315 4316 static int __init qlcnic_init_module(void) 4317 { 4318 int ret; 4319 4320 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4321 4322 #ifdef CONFIG_INET 4323 register_netdevice_notifier(&qlcnic_netdev_cb); 4324 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4325 #endif 4326 4327 ret = pci_register_driver(&qlcnic_driver); 4328 if (ret) { 4329 #ifdef CONFIG_INET 4330 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4331 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4332 #endif 4333 } 4334 4335 return ret; 4336 } 4337 4338 module_init(qlcnic_init_module); 4339 4340 static void __exit qlcnic_exit_module(void) 4341 { 4342 pci_unregister_driver(&qlcnic_driver); 4343 4344 #ifdef CONFIG_INET 4345 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4346 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4347 #endif 4348 } 4349 4350 module_exit(qlcnic_exit_module); 4351