1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.h> 19 #include <linux/ipv6.h> 20 #include <linux/inetdevice.h> 21 #include <linux/aer.h> 22 #include <linux/log2.h> 23 #include <linux/pci.h> 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 #ifdef CONFIG_NET_POLL_CONTROLLER 63 static void qlcnic_poll_controller(struct net_device *netdev); 64 #endif 65 66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68 69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70 static irqreturn_t qlcnic_intr(int irq, void *data); 71 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74 75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76 static int qlcnic_start_firmware(struct qlcnic_adapter *); 77 78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83 84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 85 { 86 struct qlcnic_hardware_context *ahw = adapter->ahw; 87 88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 90 else 91 return 1; 92 } 93 94 /* PCI Device ID Table */ 95 #define ENTRY(device) \ 96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 98 99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 105 {0,} 106 }; 107 108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 109 110 111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 112 { 113 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 114 } 115 116 static const u32 msi_tgt_status[8] = { 117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 121 }; 122 123 static const u32 qlcnic_reg_tbl[] = { 124 0x1B20A8, /* PEG_HALT_STAT1 */ 125 0x1B20AC, /* PEG_HALT_STAT2 */ 126 0x1B20B0, /* FW_HEARTBEAT */ 127 0x1B2100, /* LOCK ID */ 128 0x1B2128, /* FW_CAPABILITIES */ 129 0x1B2138, /* drv active */ 130 0x1B2140, /* dev state */ 131 0x1B2144, /* drv state */ 132 0x1B2148, /* drv scratch */ 133 0x1B214C, /* dev partition info */ 134 0x1B2174, /* drv idc ver */ 135 0x1B2150, /* fw version major */ 136 0x1B2154, /* fw version minor */ 137 0x1B2158, /* fw version sub */ 138 0x1B219C, /* npar state */ 139 0x1B21FC, /* FW_IMG_VALID */ 140 0x1B2250, /* CMD_PEG_STATE */ 141 0x1B233C, /* RCV_PEG_STATE */ 142 0x1B23B4, /* ASIC TEMP */ 143 0x1B216C, /* FW api */ 144 0x1B2170, /* drv op mode */ 145 0x13C010, /* flash lock */ 146 0x13C014, /* flash unlock */ 147 }; 148 149 static const struct qlcnic_board_info qlcnic_boards[] = { 150 { PCI_VENDOR_ID_QLOGIC, 151 PCI_DEVICE_ID_QLOGIC_QLE844X, 152 0x0, 153 0x0, 154 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 155 { PCI_VENDOR_ID_QLOGIC, 156 PCI_DEVICE_ID_QLOGIC_QLE834X, 157 PCI_VENDOR_ID_QLOGIC, 158 0x24e, 159 "8300 Series Dual Port 10GbE Converged Network Adapter " 160 "(TCP/IP Networking)" }, 161 { PCI_VENDOR_ID_QLOGIC, 162 PCI_DEVICE_ID_QLOGIC_QLE834X, 163 PCI_VENDOR_ID_QLOGIC, 164 0x243, 165 "8300 Series Single Port 10GbE Converged Network Adapter " 166 "(TCP/IP Networking)" }, 167 { PCI_VENDOR_ID_QLOGIC, 168 PCI_DEVICE_ID_QLOGIC_QLE834X, 169 PCI_VENDOR_ID_QLOGIC, 170 0x24a, 171 "8300 Series Dual Port 10GbE Converged Network Adapter " 172 "(TCP/IP Networking)" }, 173 { PCI_VENDOR_ID_QLOGIC, 174 PCI_DEVICE_ID_QLOGIC_QLE834X, 175 PCI_VENDOR_ID_QLOGIC, 176 0x246, 177 "8300 Series Dual Port 10GbE Converged Network Adapter " 178 "(TCP/IP Networking)" }, 179 { PCI_VENDOR_ID_QLOGIC, 180 PCI_DEVICE_ID_QLOGIC_QLE834X, 181 PCI_VENDOR_ID_QLOGIC, 182 0x252, 183 "8300 Series Dual Port 10GbE Converged Network Adapter " 184 "(TCP/IP Networking)" }, 185 { PCI_VENDOR_ID_QLOGIC, 186 PCI_DEVICE_ID_QLOGIC_QLE834X, 187 PCI_VENDOR_ID_QLOGIC, 188 0x26e, 189 "8300 Series Dual Port 10GbE Converged Network Adapter " 190 "(TCP/IP Networking)" }, 191 { PCI_VENDOR_ID_QLOGIC, 192 PCI_DEVICE_ID_QLOGIC_QLE834X, 193 PCI_VENDOR_ID_QLOGIC, 194 0x260, 195 "8300 Series Dual Port 10GbE Converged Network Adapter " 196 "(TCP/IP Networking)" }, 197 { PCI_VENDOR_ID_QLOGIC, 198 PCI_DEVICE_ID_QLOGIC_QLE834X, 199 PCI_VENDOR_ID_QLOGIC, 200 0x266, 201 "8300 Series Single Port 10GbE Converged Network Adapter " 202 "(TCP/IP Networking)" }, 203 { PCI_VENDOR_ID_QLOGIC, 204 PCI_DEVICE_ID_QLOGIC_QLE834X, 205 PCI_VENDOR_ID_QLOGIC, 206 0x269, 207 "8300 Series Dual Port 10GbE Converged Network Adapter " 208 "(TCP/IP Networking)" }, 209 { PCI_VENDOR_ID_QLOGIC, 210 PCI_DEVICE_ID_QLOGIC_QLE834X, 211 PCI_VENDOR_ID_QLOGIC, 212 0x271, 213 "8300 Series Dual Port 10GbE Converged Network Adapter " 214 "(TCP/IP Networking)" }, 215 { PCI_VENDOR_ID_QLOGIC, 216 PCI_DEVICE_ID_QLOGIC_QLE834X, 217 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 218 { PCI_VENDOR_ID_QLOGIC, 219 PCI_DEVICE_ID_QLOGIC_QLE824X, 220 PCI_VENDOR_ID_QLOGIC, 221 0x203, 222 "8200 Series Single Port 10GbE Converged Network Adapter" 223 "(TCP/IP Networking)" }, 224 { PCI_VENDOR_ID_QLOGIC, 225 PCI_DEVICE_ID_QLOGIC_QLE824X, 226 PCI_VENDOR_ID_QLOGIC, 227 0x207, 228 "8200 Series Dual Port 10GbE Converged Network Adapter" 229 "(TCP/IP Networking)" }, 230 { PCI_VENDOR_ID_QLOGIC, 231 PCI_DEVICE_ID_QLOGIC_QLE824X, 232 PCI_VENDOR_ID_QLOGIC, 233 0x20b, 234 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 235 { PCI_VENDOR_ID_QLOGIC, 236 PCI_DEVICE_ID_QLOGIC_QLE824X, 237 PCI_VENDOR_ID_QLOGIC, 238 0x20c, 239 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 240 { PCI_VENDOR_ID_QLOGIC, 241 PCI_DEVICE_ID_QLOGIC_QLE824X, 242 PCI_VENDOR_ID_QLOGIC, 243 0x20f, 244 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 245 { PCI_VENDOR_ID_QLOGIC, 246 PCI_DEVICE_ID_QLOGIC_QLE824X, 247 0x103c, 0x3733, 248 "NC523SFP 10Gb 2-port Server Adapter" }, 249 { PCI_VENDOR_ID_QLOGIC, 250 PCI_DEVICE_ID_QLOGIC_QLE824X, 251 0x103c, 0x3346, 252 "CN1000Q Dual Port Converged Network Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x210, 257 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 261 }; 262 263 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 264 265 static const 266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 267 268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 269 { 270 int size = sizeof(struct qlcnic_host_sds_ring) * count; 271 272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 273 274 return recv_ctx->sds_rings == NULL; 275 } 276 277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 278 { 279 if (recv_ctx->sds_rings != NULL) 280 kfree(recv_ctx->sds_rings); 281 282 recv_ctx->sds_rings = NULL; 283 } 284 285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 286 { 287 struct net_device *netdev = adapter->netdev; 288 struct pci_dev *pdev = adapter->pdev; 289 u8 mac_addr[ETH_ALEN]; 290 int ret; 291 292 ret = qlcnic_get_mac_address(adapter, mac_addr, 293 adapter->ahw->pci_func); 294 if (ret) 295 return ret; 296 297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 298 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 299 300 /* set station address */ 301 302 if (!is_valid_ether_addr(netdev->dev_addr)) 303 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 304 netdev->dev_addr); 305 306 return 0; 307 } 308 309 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 310 { 311 struct qlcnic_mac_list_s *cur; 312 struct list_head *head; 313 314 list_for_each(head, &adapter->mac_list) { 315 cur = list_entry(head, struct qlcnic_mac_list_s, list); 316 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) { 317 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 318 0, QLCNIC_MAC_DEL); 319 list_del(&cur->list); 320 kfree(cur); 321 return; 322 } 323 } 324 } 325 326 static int qlcnic_set_mac(struct net_device *netdev, void *p) 327 { 328 struct qlcnic_adapter *adapter = netdev_priv(netdev); 329 struct sockaddr *addr = p; 330 331 if (qlcnic_sriov_vf_check(adapter)) 332 return -EINVAL; 333 334 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 335 return -EOPNOTSUPP; 336 337 if (!is_valid_ether_addr(addr->sa_data)) 338 return -EINVAL; 339 340 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN)) 341 return 0; 342 343 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 344 netif_device_detach(netdev); 345 qlcnic_napi_disable(adapter); 346 } 347 348 qlcnic_delete_adapter_mac(adapter); 349 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 350 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 351 qlcnic_set_multi(adapter->netdev); 352 353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 354 netif_device_attach(netdev); 355 qlcnic_napi_enable(adapter); 356 } 357 return 0; 358 } 359 360 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 361 struct net_device *netdev, const unsigned char *addr) 362 { 363 struct qlcnic_adapter *adapter = netdev_priv(netdev); 364 int err = -EOPNOTSUPP; 365 366 if (!adapter->fdb_mac_learn) 367 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 368 369 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 370 if (is_unicast_ether_addr(addr)) { 371 err = dev_uc_del(netdev, addr); 372 if (!err) 373 err = qlcnic_nic_del_mac(adapter, addr); 374 } else if (is_multicast_ether_addr(addr)) { 375 err = dev_mc_del(netdev, addr); 376 } else { 377 err = -EINVAL; 378 } 379 } 380 return err; 381 } 382 383 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 384 struct net_device *netdev, 385 const unsigned char *addr, u16 flags) 386 { 387 struct qlcnic_adapter *adapter = netdev_priv(netdev); 388 int err = 0; 389 390 if (!adapter->fdb_mac_learn) 391 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 392 393 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 394 pr_info("%s: FDB e-switch is not enabled\n", __func__); 395 return -EOPNOTSUPP; 396 } 397 398 if (ether_addr_equal(addr, adapter->mac_addr)) 399 return err; 400 401 if (is_unicast_ether_addr(addr)) { 402 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 403 err = dev_uc_add_excl(netdev, addr); 404 else 405 err = -ENOMEM; 406 } else if (is_multicast_ether_addr(addr)) { 407 err = dev_mc_add_excl(netdev, addr); 408 } else { 409 err = -EINVAL; 410 } 411 412 return err; 413 } 414 415 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 416 struct net_device *netdev, int idx) 417 { 418 struct qlcnic_adapter *adapter = netdev_priv(netdev); 419 420 if (!adapter->fdb_mac_learn) 421 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 422 423 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 424 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 425 426 return idx; 427 } 428 429 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 430 { 431 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 432 usleep_range(10000, 11000); 433 434 cancel_delayed_work_sync(&adapter->fw_work); 435 } 436 437 static int qlcnic_get_phys_port_id(struct net_device *netdev, 438 struct netdev_phys_port_id *ppid) 439 { 440 struct qlcnic_adapter *adapter = netdev_priv(netdev); 441 struct qlcnic_hardware_context *ahw = adapter->ahw; 442 443 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 444 return -EOPNOTSUPP; 445 446 ppid->id_len = sizeof(ahw->phys_port_id); 447 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 448 449 return 0; 450 } 451 452 static const struct net_device_ops qlcnic_netdev_ops = { 453 .ndo_open = qlcnic_open, 454 .ndo_stop = qlcnic_close, 455 .ndo_start_xmit = qlcnic_xmit_frame, 456 .ndo_get_stats = qlcnic_get_stats, 457 .ndo_validate_addr = eth_validate_addr, 458 .ndo_set_rx_mode = qlcnic_set_multi, 459 .ndo_set_mac_address = qlcnic_set_mac, 460 .ndo_change_mtu = qlcnic_change_mtu, 461 .ndo_fix_features = qlcnic_fix_features, 462 .ndo_set_features = qlcnic_set_features, 463 .ndo_tx_timeout = qlcnic_tx_timeout, 464 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 465 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 466 .ndo_fdb_add = qlcnic_fdb_add, 467 .ndo_fdb_del = qlcnic_fdb_del, 468 .ndo_fdb_dump = qlcnic_fdb_dump, 469 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 470 #ifdef CONFIG_NET_POLL_CONTROLLER 471 .ndo_poll_controller = qlcnic_poll_controller, 472 #endif 473 #ifdef CONFIG_QLCNIC_SRIOV 474 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 475 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 476 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 477 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 478 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 479 #endif 480 }; 481 482 static const struct net_device_ops qlcnic_netdev_failed_ops = { 483 .ndo_open = qlcnic_open, 484 }; 485 486 static struct qlcnic_nic_template qlcnic_ops = { 487 .config_bridged_mode = qlcnic_config_bridged_mode, 488 .config_led = qlcnic_82xx_config_led, 489 .start_firmware = qlcnic_82xx_start_firmware, 490 .request_reset = qlcnic_82xx_dev_request_reset, 491 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 492 .napi_add = qlcnic_82xx_napi_add, 493 .napi_del = qlcnic_82xx_napi_del, 494 .config_ipaddr = qlcnic_82xx_config_ipaddr, 495 .shutdown = qlcnic_82xx_shutdown, 496 .resume = qlcnic_82xx_resume, 497 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 498 }; 499 500 struct qlcnic_nic_template qlcnic_vf_ops = { 501 .config_bridged_mode = qlcnicvf_config_bridged_mode, 502 .config_led = qlcnicvf_config_led, 503 .start_firmware = qlcnicvf_start_firmware 504 }; 505 506 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 507 .read_crb = qlcnic_82xx_read_crb, 508 .write_crb = qlcnic_82xx_write_crb, 509 .read_reg = qlcnic_82xx_hw_read_wx_2M, 510 .write_reg = qlcnic_82xx_hw_write_wx_2M, 511 .get_mac_address = qlcnic_82xx_get_mac_address, 512 .setup_intr = qlcnic_82xx_setup_intr, 513 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 514 .mbx_cmd = qlcnic_82xx_issue_cmd, 515 .get_func_no = qlcnic_82xx_get_func_no, 516 .api_lock = qlcnic_82xx_api_lock, 517 .api_unlock = qlcnic_82xx_api_unlock, 518 .add_sysfs = qlcnic_82xx_add_sysfs, 519 .remove_sysfs = qlcnic_82xx_remove_sysfs, 520 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 521 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 522 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 523 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 524 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 525 .setup_link_event = qlcnic_82xx_linkevent_request, 526 .get_nic_info = qlcnic_82xx_get_nic_info, 527 .get_pci_info = qlcnic_82xx_get_pci_info, 528 .set_nic_info = qlcnic_82xx_set_nic_info, 529 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 530 .napi_enable = qlcnic_82xx_napi_enable, 531 .napi_disable = qlcnic_82xx_napi_disable, 532 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 533 .config_rss = qlcnic_82xx_config_rss, 534 .config_hw_lro = qlcnic_82xx_config_hw_lro, 535 .config_loopback = qlcnic_82xx_set_lb_mode, 536 .clear_loopback = qlcnic_82xx_clear_lb_mode, 537 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 538 .change_l2_filter = qlcnic_82xx_change_filter, 539 .get_board_info = qlcnic_82xx_get_board_info, 540 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 541 .free_mac_list = qlcnic_82xx_free_mac_list, 542 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 543 .io_error_detected = qlcnic_82xx_io_error_detected, 544 .io_slot_reset = qlcnic_82xx_io_slot_reset, 545 .io_resume = qlcnic_82xx_io_resume, 546 }; 547 548 static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter) 549 { 550 struct qlcnic_hardware_context *ahw = adapter->ahw; 551 int num_tx_q; 552 553 if (ahw->msix_supported && 554 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 555 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS, 556 num_online_cpus()); 557 if (num_tx_q > 1) { 558 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, 559 &adapter->state); 560 adapter->max_drv_tx_rings = num_tx_q; 561 } 562 } else { 563 adapter->max_drv_tx_rings = 1; 564 } 565 } 566 567 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 568 { 569 struct pci_dev *pdev = adapter->pdev; 570 int max_tx_rings, max_sds_rings, tx_vector; 571 int err = -1, i; 572 573 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 574 max_tx_rings = 0; 575 tx_vector = 0; 576 } else { 577 max_tx_rings = adapter->max_drv_tx_rings; 578 tx_vector = 1; 579 } 580 581 if (!adapter->msix_entries) { 582 adapter->msix_entries = kcalloc(num_msix, 583 sizeof(struct msix_entry), 584 GFP_KERNEL); 585 if (!adapter->msix_entries) 586 return -ENOMEM; 587 } 588 589 adapter->max_sds_rings = 1; 590 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 591 592 if (adapter->ahw->msix_supported) { 593 enable_msix: 594 for (i = 0; i < num_msix; i++) 595 adapter->msix_entries[i].entry = i; 596 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 597 if (err == 0) { 598 adapter->flags |= QLCNIC_MSIX_ENABLED; 599 if (qlcnic_83xx_check(adapter)) { 600 adapter->ahw->num_msix = num_msix; 601 /* subtract mail box and tx ring vectors */ 602 adapter->max_sds_rings = num_msix - 603 max_tx_rings - 1; 604 } else { 605 adapter->ahw->num_msix = num_msix; 606 if (qlcnic_check_multi_tx(adapter) && 607 !adapter->ahw->diag_test && 608 (adapter->max_drv_tx_rings > 1)) 609 max_sds_rings = num_msix - max_tx_rings; 610 else 611 max_sds_rings = num_msix; 612 613 adapter->max_sds_rings = max_sds_rings; 614 } 615 dev_info(&pdev->dev, "using msi-x interrupts\n"); 616 return err; 617 } else if (err > 0) { 618 dev_info(&pdev->dev, 619 "Unable to allocate %d MSI-X interrupt vectors\n", 620 num_msix); 621 if (qlcnic_83xx_check(adapter)) { 622 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 623 return err; 624 err -= (max_tx_rings + 1); 625 num_msix = rounddown_pow_of_two(err); 626 num_msix += (max_tx_rings + 1); 627 } else { 628 num_msix = rounddown_pow_of_two(err); 629 if (qlcnic_check_multi_tx(adapter)) 630 num_msix += max_tx_rings; 631 } 632 633 if (num_msix) { 634 dev_info(&pdev->dev, 635 "Trying to allocate %d MSI-X interrupt vectors\n", 636 num_msix); 637 goto enable_msix; 638 } 639 } else { 640 dev_info(&pdev->dev, 641 "Unable to allocate %d MSI-X interrupt vectors\n", 642 num_msix); 643 } 644 } 645 646 return err; 647 } 648 649 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 650 { 651 int err = 0; 652 u32 offset, mask_reg; 653 const struct qlcnic_legacy_intr_set *legacy_intrp; 654 struct qlcnic_hardware_context *ahw = adapter->ahw; 655 struct pci_dev *pdev = adapter->pdev; 656 657 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 658 adapter->flags |= QLCNIC_MSI_ENABLED; 659 offset = msi_tgt_status[adapter->ahw->pci_func]; 660 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 661 offset); 662 dev_info(&pdev->dev, "using msi interrupts\n"); 663 adapter->msix_entries[0].vector = pdev->irq; 664 return err; 665 } 666 667 if (qlcnic_use_msi || qlcnic_use_msi_x) 668 return -EOPNOTSUPP; 669 670 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 671 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 672 offset = legacy_intrp->tgt_status_reg; 673 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 674 mask_reg = legacy_intrp->tgt_mask_reg; 675 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 676 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 677 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 678 dev_info(&pdev->dev, "using legacy interrupts\n"); 679 adapter->msix_entries[0].vector = pdev->irq; 680 return err; 681 } 682 683 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq) 684 { 685 struct qlcnic_hardware_context *ahw = adapter->ahw; 686 int num_msix, err = 0; 687 688 if (!num_intr) 689 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 690 691 if (ahw->msix_supported) { 692 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 693 num_intr)); 694 if (qlcnic_check_multi_tx(adapter)) { 695 if (txq) 696 adapter->max_drv_tx_rings = txq; 697 num_msix += adapter->max_drv_tx_rings; 698 } 699 } else { 700 num_msix = 1; 701 } 702 703 err = qlcnic_enable_msix(adapter, num_msix); 704 if (err == -ENOMEM) 705 return err; 706 707 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 708 qlcnic_disable_multi_tx(adapter); 709 710 err = qlcnic_enable_msi_legacy(adapter); 711 if (!err) 712 return err; 713 } 714 715 return 0; 716 } 717 718 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 719 { 720 struct qlcnic_hardware_context *ahw = adapter->ahw; 721 int err, i; 722 723 if (qlcnic_check_multi_tx(adapter) && 724 !ahw->diag_test && 725 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 726 ahw->intr_tbl = vzalloc(ahw->num_msix * 727 sizeof(struct qlcnic_intrpt_config)); 728 if (!ahw->intr_tbl) 729 return -ENOMEM; 730 731 for (i = 0; i < ahw->num_msix; i++) { 732 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 733 ahw->intr_tbl[i].id = i; 734 ahw->intr_tbl[i].src = 0; 735 } 736 737 err = qlcnic_82xx_config_intrpt(adapter, 1); 738 if (err) 739 dev_err(&adapter->pdev->dev, 740 "Failed to configure Interrupt for %d vector\n", 741 ahw->num_msix); 742 return err; 743 } 744 745 return 0; 746 } 747 748 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 749 { 750 if (adapter->flags & QLCNIC_MSIX_ENABLED) 751 pci_disable_msix(adapter->pdev); 752 if (adapter->flags & QLCNIC_MSI_ENABLED) 753 pci_disable_msi(adapter->pdev); 754 755 kfree(adapter->msix_entries); 756 adapter->msix_entries = NULL; 757 758 if (adapter->ahw->intr_tbl) { 759 vfree(adapter->ahw->intr_tbl); 760 adapter->ahw->intr_tbl = NULL; 761 } 762 } 763 764 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 765 { 766 if (ahw->pci_base0 != NULL) 767 iounmap(ahw->pci_base0); 768 } 769 770 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 771 { 772 struct qlcnic_pci_info *pci_info; 773 int ret; 774 775 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 776 switch (adapter->ahw->port_type) { 777 case QLCNIC_GBE: 778 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 779 break; 780 case QLCNIC_XGBE: 781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 782 break; 783 } 784 return 0; 785 } 786 787 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 788 return 0; 789 790 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 791 if (!pci_info) 792 return -ENOMEM; 793 794 ret = qlcnic_get_pci_info(adapter, pci_info); 795 kfree(pci_info); 796 return ret; 797 } 798 799 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 800 { 801 bool ret = false; 802 803 if (qlcnic_84xx_check(adapter)) { 804 ret = true; 805 } else if (qlcnic_83xx_check(adapter)) { 806 if (adapter->ahw->extra_capability[0] & 807 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 808 ret = true; 809 else 810 ret = false; 811 } 812 813 return ret; 814 } 815 816 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 817 { 818 struct qlcnic_pci_info *pci_info; 819 int i, ret = 0, j = 0; 820 u16 act_pci_func; 821 u8 pfn; 822 823 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 824 if (!pci_info) 825 return -ENOMEM; 826 827 ret = qlcnic_get_pci_info(adapter, pci_info); 828 if (ret) 829 goto err_pci_info; 830 831 act_pci_func = adapter->ahw->act_pci_func; 832 833 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 834 act_pci_func, GFP_KERNEL); 835 if (!adapter->npars) { 836 ret = -ENOMEM; 837 goto err_pci_info; 838 } 839 840 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 841 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 842 if (!adapter->eswitch) { 843 ret = -ENOMEM; 844 goto err_npars; 845 } 846 847 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 848 pfn = pci_info[i].id; 849 850 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 851 ret = QL_STATUS_INVALID_PARAM; 852 goto err_eswitch; 853 } 854 855 if (!pci_info[i].active || 856 (pci_info[i].type != QLCNIC_TYPE_NIC)) 857 continue; 858 859 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 860 if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn)) 861 adapter->npars[j].eswitch_status = true; 862 else 863 continue; 864 } else { 865 adapter->npars[j].eswitch_status = true; 866 } 867 868 adapter->npars[j].pci_func = pfn; 869 adapter->npars[j].active = (u8)pci_info[i].active; 870 adapter->npars[j].type = (u8)pci_info[i].type; 871 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 872 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 873 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 874 875 j++; 876 } 877 878 if (qlcnic_82xx_check(adapter)) { 879 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 880 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 881 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 882 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 883 qlcnic_enable_eswitch(adapter, i, 1); 884 } 885 886 kfree(pci_info); 887 return 0; 888 889 err_eswitch: 890 kfree(adapter->eswitch); 891 adapter->eswitch = NULL; 892 err_npars: 893 kfree(adapter->npars); 894 adapter->npars = NULL; 895 err_pci_info: 896 kfree(pci_info); 897 898 return ret; 899 } 900 901 static int 902 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 903 { 904 u8 id; 905 int ret; 906 u32 data = QLCNIC_MGMT_FUNC; 907 struct qlcnic_hardware_context *ahw = adapter->ahw; 908 909 ret = qlcnic_api_lock(adapter); 910 if (ret) 911 goto err_lock; 912 913 id = ahw->pci_func; 914 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 915 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 916 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 917 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 918 qlcnic_api_unlock(adapter); 919 err_lock: 920 return ret; 921 } 922 923 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 924 const struct pci_device_id *ent) 925 { 926 u32 op_mode, priv_level; 927 928 /* Determine FW API version */ 929 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 930 QLCNIC_FW_API); 931 932 /* Find PCI function number */ 933 qlcnic_get_func_no(adapter); 934 935 /* Determine function privilege level */ 936 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 937 if (op_mode == QLC_DEV_DRV_DEFAULT) 938 priv_level = QLCNIC_MGMT_FUNC; 939 else 940 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 941 942 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 943 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 944 dev_info(&adapter->pdev->dev, 945 "HAL Version: %d Non Privileged function\n", 946 adapter->ahw->fw_hal_version); 947 adapter->nic_ops = &qlcnic_vf_ops; 948 } else 949 adapter->nic_ops = &qlcnic_ops; 950 } 951 952 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 953 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 954 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 955 { 956 switch (dev_id) { 957 case PCI_DEVICE_ID_QLOGIC_QLE824X: 958 *bar = QLCNIC_82XX_BAR0_LENGTH; 959 break; 960 case PCI_DEVICE_ID_QLOGIC_QLE834X: 961 case PCI_DEVICE_ID_QLOGIC_QLE844X: 962 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 963 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 964 *bar = QLCNIC_83XX_BAR0_LENGTH; 965 break; 966 default: 967 *bar = 0; 968 } 969 } 970 971 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 972 struct qlcnic_hardware_context *ahw) 973 { 974 u32 offset; 975 void __iomem *mem_ptr0 = NULL; 976 unsigned long mem_len, pci_len0 = 0, bar0_len; 977 978 /* remap phys address */ 979 mem_len = pci_resource_len(pdev, 0); 980 981 qlcnic_get_bar_length(pdev->device, &bar0_len); 982 if (mem_len >= bar0_len) { 983 984 mem_ptr0 = pci_ioremap_bar(pdev, 0); 985 if (mem_ptr0 == NULL) { 986 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 987 return -EIO; 988 } 989 pci_len0 = mem_len; 990 } else { 991 return -EIO; 992 } 993 994 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 995 996 ahw->pci_base0 = mem_ptr0; 997 ahw->pci_len0 = pci_len0; 998 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 999 qlcnic_get_ioaddr(ahw, offset); 1000 1001 return 0; 1002 } 1003 1004 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1005 int index) 1006 { 1007 struct pci_dev *pdev = adapter->pdev; 1008 unsigned short subsystem_vendor; 1009 bool ret = true; 1010 1011 subsystem_vendor = pdev->subsystem_vendor; 1012 1013 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1014 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1015 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1016 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1017 ret = true; 1018 else 1019 ret = false; 1020 } 1021 1022 return ret; 1023 } 1024 1025 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1026 { 1027 struct pci_dev *pdev = adapter->pdev; 1028 int i, found = 0; 1029 1030 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1031 if (qlcnic_boards[i].vendor == pdev->vendor && 1032 qlcnic_boards[i].device == pdev->device && 1033 qlcnic_validate_subsystem_id(adapter, i)) { 1034 found = 1; 1035 break; 1036 } 1037 } 1038 1039 if (!found) 1040 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1041 else 1042 sprintf(name, "%pM: %s" , adapter->mac_addr, 1043 qlcnic_boards[i].short_name); 1044 } 1045 1046 static void 1047 qlcnic_check_options(struct qlcnic_adapter *adapter) 1048 { 1049 int err; 1050 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1051 struct pci_dev *pdev = adapter->pdev; 1052 struct qlcnic_hardware_context *ahw = adapter->ahw; 1053 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1054 1055 prev_fw_version = adapter->fw_version; 1056 1057 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1058 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1059 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1060 1061 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1062 1063 err = qlcnic_get_board_info(adapter); 1064 if (err) { 1065 dev_err(&pdev->dev, "Error getting board config info.\n"); 1066 return; 1067 } 1068 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1069 if (fw_dump->tmpl_hdr == NULL || 1070 adapter->fw_version > prev_fw_version) { 1071 if (fw_dump->tmpl_hdr) 1072 vfree(fw_dump->tmpl_hdr); 1073 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1074 dev_info(&pdev->dev, 1075 "Supports FW dump capability\n"); 1076 } 1077 } 1078 1079 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1080 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1081 1082 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1083 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1084 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1085 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1086 } else { 1087 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1088 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1089 } 1090 1091 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1092 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1093 1094 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1095 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1096 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1097 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1098 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1099 } 1100 1101 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1102 1103 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1104 1105 adapter->max_rds_rings = MAX_RDS_RINGS; 1106 } 1107 1108 static int 1109 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1110 { 1111 struct qlcnic_info nic_info; 1112 int err = 0; 1113 1114 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1115 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1116 if (err) 1117 return err; 1118 1119 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1120 adapter->ahw->switch_mode = nic_info.switch_mode; 1121 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1122 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1123 adapter->ahw->capabilities = nic_info.capabilities; 1124 1125 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1126 u32 temp; 1127 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1128 if (err == -EIO) 1129 return err; 1130 adapter->ahw->extra_capability[0] = temp; 1131 } 1132 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1133 adapter->ahw->max_mtu = nic_info.max_mtu; 1134 1135 /* Disable NPAR for 83XX */ 1136 if (qlcnic_83xx_check(adapter)) 1137 return err; 1138 1139 if (adapter->ahw->capabilities & BIT_6) 1140 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1141 else 1142 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1143 1144 return err; 1145 } 1146 1147 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1148 struct qlcnic_esw_func_cfg *esw_cfg) 1149 { 1150 if (esw_cfg->discard_tagged) 1151 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1152 else 1153 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1154 1155 if (esw_cfg->vlan_id) { 1156 adapter->rx_pvid = esw_cfg->vlan_id; 1157 adapter->tx_pvid = esw_cfg->vlan_id; 1158 } else { 1159 adapter->rx_pvid = 0; 1160 adapter->tx_pvid = 0; 1161 } 1162 } 1163 1164 static int 1165 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1166 { 1167 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1168 int err; 1169 1170 if (qlcnic_sriov_vf_check(adapter)) { 1171 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1172 if (err) { 1173 netdev_err(netdev, 1174 "Cannot add VLAN filter for VLAN id %d, err=%d", 1175 vid, err); 1176 return err; 1177 } 1178 } 1179 1180 set_bit(vid, adapter->vlans); 1181 return 0; 1182 } 1183 1184 static int 1185 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1186 { 1187 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1188 int err; 1189 1190 if (qlcnic_sriov_vf_check(adapter)) { 1191 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1192 if (err) { 1193 netdev_err(netdev, 1194 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1195 vid, err); 1196 return err; 1197 } 1198 } 1199 1200 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1201 clear_bit(vid, adapter->vlans); 1202 return 0; 1203 } 1204 1205 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1206 struct qlcnic_esw_func_cfg *esw_cfg) 1207 { 1208 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1209 QLCNIC_PROMISC_DISABLED); 1210 1211 if (esw_cfg->mac_anti_spoof) 1212 adapter->flags |= QLCNIC_MACSPOOF; 1213 1214 if (!esw_cfg->mac_override) 1215 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1216 1217 if (!esw_cfg->promisc_mode) 1218 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1219 } 1220 1221 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1222 { 1223 struct qlcnic_esw_func_cfg esw_cfg; 1224 1225 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1226 return 0; 1227 1228 esw_cfg.pci_func = adapter->ahw->pci_func; 1229 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1230 return -EIO; 1231 qlcnic_set_vlan_config(adapter, &esw_cfg); 1232 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1233 qlcnic_set_netdev_features(adapter, &esw_cfg); 1234 1235 return 0; 1236 } 1237 1238 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1239 struct qlcnic_esw_func_cfg *esw_cfg) 1240 { 1241 struct net_device *netdev = adapter->netdev; 1242 1243 if (qlcnic_83xx_check(adapter)) 1244 return; 1245 1246 adapter->offload_flags = esw_cfg->offload_flags; 1247 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1248 netdev_update_features(netdev); 1249 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1250 } 1251 1252 static int 1253 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1254 { 1255 u32 op_mode, priv_level; 1256 int err = 0; 1257 1258 err = qlcnic_initialize_nic(adapter); 1259 if (err) 1260 return err; 1261 1262 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1263 return 0; 1264 1265 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1266 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1267 1268 if (op_mode == QLC_DEV_DRV_DEFAULT) 1269 priv_level = QLCNIC_MGMT_FUNC; 1270 else 1271 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1272 1273 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1274 if (priv_level == QLCNIC_MGMT_FUNC) { 1275 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1276 err = qlcnic_init_pci_info(adapter); 1277 if (err) 1278 return err; 1279 /* Set privilege level for other functions */ 1280 qlcnic_set_function_modes(adapter); 1281 dev_info(&adapter->pdev->dev, 1282 "HAL Version: %d, Management function\n", 1283 adapter->ahw->fw_hal_version); 1284 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1285 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1286 dev_info(&adapter->pdev->dev, 1287 "HAL Version: %d, Privileged function\n", 1288 adapter->ahw->fw_hal_version); 1289 } 1290 } 1291 1292 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1293 1294 return err; 1295 } 1296 1297 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1298 { 1299 struct qlcnic_esw_func_cfg esw_cfg; 1300 struct qlcnic_npar_info *npar; 1301 u8 i; 1302 1303 if (adapter->need_fw_reset) 1304 return 0; 1305 1306 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1307 if (!adapter->npars[i].eswitch_status) 1308 continue; 1309 1310 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1311 esw_cfg.pci_func = adapter->npars[i].pci_func; 1312 esw_cfg.mac_override = BIT_0; 1313 esw_cfg.promisc_mode = BIT_0; 1314 if (qlcnic_82xx_check(adapter)) { 1315 esw_cfg.offload_flags = BIT_0; 1316 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1317 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1318 } 1319 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1320 return -EIO; 1321 npar = &adapter->npars[i]; 1322 npar->pvid = esw_cfg.vlan_id; 1323 npar->mac_override = esw_cfg.mac_override; 1324 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1325 npar->discard_tagged = esw_cfg.discard_tagged; 1326 npar->promisc_mode = esw_cfg.promisc_mode; 1327 npar->offload_flags = esw_cfg.offload_flags; 1328 } 1329 1330 return 0; 1331 } 1332 1333 1334 static int 1335 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1336 struct qlcnic_npar_info *npar, int pci_func) 1337 { 1338 struct qlcnic_esw_func_cfg esw_cfg; 1339 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1340 esw_cfg.pci_func = pci_func; 1341 esw_cfg.vlan_id = npar->pvid; 1342 esw_cfg.mac_override = npar->mac_override; 1343 esw_cfg.discard_tagged = npar->discard_tagged; 1344 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1345 esw_cfg.offload_flags = npar->offload_flags; 1346 esw_cfg.promisc_mode = npar->promisc_mode; 1347 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1348 return -EIO; 1349 1350 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1351 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1352 return -EIO; 1353 1354 return 0; 1355 } 1356 1357 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1358 { 1359 int i, err; 1360 struct qlcnic_npar_info *npar; 1361 struct qlcnic_info nic_info; 1362 u8 pci_func; 1363 1364 if (qlcnic_82xx_check(adapter)) 1365 if (!adapter->need_fw_reset) 1366 return 0; 1367 1368 /* Set the NPAR config data after FW reset */ 1369 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1370 npar = &adapter->npars[i]; 1371 pci_func = npar->pci_func; 1372 if (!adapter->npars[i].eswitch_status) 1373 continue; 1374 1375 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1376 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1377 if (err) 1378 return err; 1379 nic_info.min_tx_bw = npar->min_bw; 1380 nic_info.max_tx_bw = npar->max_bw; 1381 err = qlcnic_set_nic_info(adapter, &nic_info); 1382 if (err) 1383 return err; 1384 1385 if (npar->enable_pm) { 1386 err = qlcnic_config_port_mirroring(adapter, 1387 npar->dest_npar, 1, 1388 pci_func); 1389 if (err) 1390 return err; 1391 } 1392 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1393 if (err) 1394 return err; 1395 } 1396 return 0; 1397 } 1398 1399 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1400 { 1401 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1402 u32 npar_state; 1403 1404 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1405 return 0; 1406 1407 npar_state = QLC_SHARED_REG_RD32(adapter, 1408 QLCNIC_CRB_DEV_NPAR_STATE); 1409 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1410 msleep(1000); 1411 npar_state = QLC_SHARED_REG_RD32(adapter, 1412 QLCNIC_CRB_DEV_NPAR_STATE); 1413 } 1414 if (!npar_opt_timeo) { 1415 dev_err(&adapter->pdev->dev, 1416 "Waiting for NPAR state to operational timeout\n"); 1417 return -EIO; 1418 } 1419 return 0; 1420 } 1421 1422 static int 1423 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1424 { 1425 int err; 1426 1427 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1428 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1429 return 0; 1430 1431 err = qlcnic_set_default_offload_settings(adapter); 1432 if (err) 1433 return err; 1434 1435 err = qlcnic_reset_npar_config(adapter); 1436 if (err) 1437 return err; 1438 1439 qlcnic_dev_set_npar_ready(adapter); 1440 1441 return err; 1442 } 1443 1444 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1445 { 1446 int err; 1447 1448 err = qlcnic_can_start_firmware(adapter); 1449 if (err < 0) 1450 return err; 1451 else if (!err) 1452 goto check_fw_status; 1453 1454 if (qlcnic_load_fw_file) 1455 qlcnic_request_firmware(adapter); 1456 else { 1457 err = qlcnic_check_flash_fw_ver(adapter); 1458 if (err) 1459 goto err_out; 1460 1461 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1462 } 1463 1464 err = qlcnic_need_fw_reset(adapter); 1465 if (err == 0) 1466 goto check_fw_status; 1467 1468 err = qlcnic_pinit_from_rom(adapter); 1469 if (err) 1470 goto err_out; 1471 1472 err = qlcnic_load_firmware(adapter); 1473 if (err) 1474 goto err_out; 1475 1476 qlcnic_release_firmware(adapter); 1477 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1478 1479 check_fw_status: 1480 err = qlcnic_check_fw_status(adapter); 1481 if (err) 1482 goto err_out; 1483 1484 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1485 qlcnic_idc_debug_info(adapter, 1); 1486 err = qlcnic_check_eswitch_mode(adapter); 1487 if (err) { 1488 dev_err(&adapter->pdev->dev, 1489 "Memory allocation failed for eswitch\n"); 1490 goto err_out; 1491 } 1492 err = qlcnic_set_mgmt_operations(adapter); 1493 if (err) 1494 goto err_out; 1495 1496 qlcnic_check_options(adapter); 1497 adapter->need_fw_reset = 0; 1498 1499 qlcnic_release_firmware(adapter); 1500 return 0; 1501 1502 err_out: 1503 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1504 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1505 1506 qlcnic_release_firmware(adapter); 1507 return err; 1508 } 1509 1510 static int 1511 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1512 { 1513 irq_handler_t handler; 1514 struct qlcnic_host_sds_ring *sds_ring; 1515 struct qlcnic_host_tx_ring *tx_ring; 1516 int err, ring, num_sds_rings; 1517 1518 unsigned long flags = 0; 1519 struct net_device *netdev = adapter->netdev; 1520 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1521 1522 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1523 if (qlcnic_82xx_check(adapter)) 1524 handler = qlcnic_tmp_intr; 1525 else 1526 handler = qlcnic_83xx_tmp_intr; 1527 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1528 flags |= IRQF_SHARED; 1529 1530 } else { 1531 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1532 handler = qlcnic_msix_intr; 1533 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1534 handler = qlcnic_msi_intr; 1535 else { 1536 flags |= IRQF_SHARED; 1537 if (qlcnic_82xx_check(adapter)) 1538 handler = qlcnic_intr; 1539 else 1540 handler = qlcnic_83xx_intr; 1541 } 1542 } 1543 adapter->irq = netdev->irq; 1544 1545 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1546 if (qlcnic_82xx_check(adapter) || 1547 (qlcnic_83xx_check(adapter) && 1548 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1549 num_sds_rings = adapter->max_sds_rings; 1550 for (ring = 0; ring < num_sds_rings; ring++) { 1551 sds_ring = &recv_ctx->sds_rings[ring]; 1552 if (qlcnic_82xx_check(adapter) && 1553 !qlcnic_check_multi_tx(adapter) && 1554 (ring == (num_sds_rings - 1))) { 1555 if (!(adapter->flags & 1556 QLCNIC_MSIX_ENABLED)) 1557 snprintf(sds_ring->name, 1558 sizeof(sds_ring->name), 1559 "qlcnic"); 1560 else 1561 snprintf(sds_ring->name, 1562 sizeof(sds_ring->name), 1563 "%s-tx-0-rx-%d", 1564 netdev->name, ring); 1565 } else { 1566 snprintf(sds_ring->name, 1567 sizeof(sds_ring->name), 1568 "%s-rx-%d", 1569 netdev->name, ring); 1570 } 1571 err = request_irq(sds_ring->irq, handler, flags, 1572 sds_ring->name, sds_ring); 1573 if (err) 1574 return err; 1575 } 1576 } 1577 if ((qlcnic_82xx_check(adapter) && 1578 qlcnic_check_multi_tx(adapter)) || 1579 (qlcnic_83xx_check(adapter) && 1580 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1581 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1582 handler = qlcnic_msix_tx_intr; 1583 for (ring = 0; ring < adapter->max_drv_tx_rings; 1584 ring++) { 1585 tx_ring = &adapter->tx_ring[ring]; 1586 snprintf(tx_ring->name, sizeof(tx_ring->name), 1587 "%s-tx-%d", netdev->name, ring); 1588 err = request_irq(tx_ring->irq, handler, flags, 1589 tx_ring->name, tx_ring); 1590 if (err) 1591 return err; 1592 } 1593 } 1594 } 1595 return 0; 1596 } 1597 1598 static void 1599 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1600 { 1601 int ring; 1602 struct qlcnic_host_sds_ring *sds_ring; 1603 struct qlcnic_host_tx_ring *tx_ring; 1604 1605 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1606 1607 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1608 if (qlcnic_82xx_check(adapter) || 1609 (qlcnic_83xx_check(adapter) && 1610 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1611 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1612 sds_ring = &recv_ctx->sds_rings[ring]; 1613 free_irq(sds_ring->irq, sds_ring); 1614 } 1615 } 1616 if ((qlcnic_83xx_check(adapter) && 1617 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1618 (qlcnic_82xx_check(adapter) && 1619 qlcnic_check_multi_tx(adapter))) { 1620 for (ring = 0; ring < adapter->max_drv_tx_rings; 1621 ring++) { 1622 tx_ring = &adapter->tx_ring[ring]; 1623 if (tx_ring->irq) 1624 free_irq(tx_ring->irq, tx_ring); 1625 } 1626 } 1627 } 1628 } 1629 1630 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1631 { 1632 u32 capab = 0; 1633 1634 if (qlcnic_82xx_check(adapter)) { 1635 if (adapter->ahw->extra_capability[0] & 1636 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1637 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1638 } else { 1639 capab = adapter->ahw->capabilities; 1640 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1641 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1642 } 1643 } 1644 1645 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1646 { 1647 int ring; 1648 struct qlcnic_host_rds_ring *rds_ring; 1649 1650 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1651 return -EIO; 1652 1653 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1654 return 0; 1655 1656 if (qlcnic_set_eswitch_port_config(adapter)) 1657 return -EIO; 1658 1659 qlcnic_get_lro_mss_capability(adapter); 1660 1661 if (qlcnic_fw_create_ctx(adapter)) 1662 return -EIO; 1663 1664 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1665 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1666 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1667 } 1668 1669 qlcnic_set_multi(netdev); 1670 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1671 1672 adapter->ahw->linkup = 0; 1673 1674 if (adapter->max_sds_rings > 1) 1675 qlcnic_config_rss(adapter, 1); 1676 1677 qlcnic_config_intr_coalesce(adapter); 1678 1679 if (netdev->features & NETIF_F_LRO) 1680 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1681 1682 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1683 qlcnic_napi_enable(adapter); 1684 1685 qlcnic_linkevent_request(adapter, 1); 1686 1687 adapter->ahw->reset_context = 0; 1688 return 0; 1689 } 1690 1691 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1692 { 1693 int err = 0; 1694 1695 rtnl_lock(); 1696 if (netif_running(netdev)) 1697 err = __qlcnic_up(adapter, netdev); 1698 rtnl_unlock(); 1699 1700 return err; 1701 } 1702 1703 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1704 { 1705 int ring; 1706 1707 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1708 return; 1709 1710 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1711 return; 1712 1713 if (qlcnic_sriov_vf_check(adapter)) 1714 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1715 smp_mb(); 1716 netif_carrier_off(netdev); 1717 adapter->ahw->linkup = 0; 1718 netif_tx_disable(netdev); 1719 1720 qlcnic_free_mac_list(adapter); 1721 1722 if (adapter->fhash.fnum) 1723 qlcnic_delete_lb_filters(adapter); 1724 1725 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1726 1727 qlcnic_napi_disable(adapter); 1728 1729 qlcnic_fw_destroy_ctx(adapter); 1730 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1731 1732 qlcnic_reset_rx_buffers_list(adapter); 1733 1734 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) 1735 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1736 } 1737 1738 /* Usage: During suspend and firmware recovery module */ 1739 1740 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1741 { 1742 rtnl_lock(); 1743 if (netif_running(netdev)) 1744 __qlcnic_down(adapter, netdev); 1745 rtnl_unlock(); 1746 1747 } 1748 1749 int 1750 qlcnic_attach(struct qlcnic_adapter *adapter) 1751 { 1752 struct net_device *netdev = adapter->netdev; 1753 struct pci_dev *pdev = adapter->pdev; 1754 int err; 1755 1756 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1757 return 0; 1758 1759 err = qlcnic_napi_add(adapter, netdev); 1760 if (err) 1761 return err; 1762 1763 err = qlcnic_alloc_sw_resources(adapter); 1764 if (err) { 1765 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1766 goto err_out_napi_del; 1767 } 1768 1769 err = qlcnic_alloc_hw_resources(adapter); 1770 if (err) { 1771 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1772 goto err_out_free_sw; 1773 } 1774 1775 err = qlcnic_request_irq(adapter); 1776 if (err) { 1777 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1778 goto err_out_free_hw; 1779 } 1780 1781 qlcnic_create_sysfs_entries(adapter); 1782 1783 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1784 return 0; 1785 1786 err_out_free_hw: 1787 qlcnic_free_hw_resources(adapter); 1788 err_out_free_sw: 1789 qlcnic_free_sw_resources(adapter); 1790 err_out_napi_del: 1791 qlcnic_napi_del(adapter); 1792 return err; 1793 } 1794 1795 void qlcnic_detach(struct qlcnic_adapter *adapter) 1796 { 1797 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1798 return; 1799 1800 qlcnic_remove_sysfs_entries(adapter); 1801 1802 qlcnic_free_hw_resources(adapter); 1803 qlcnic_release_rx_buffers(adapter); 1804 qlcnic_free_irq(adapter); 1805 qlcnic_napi_del(adapter); 1806 qlcnic_free_sw_resources(adapter); 1807 1808 adapter->is_up = 0; 1809 } 1810 1811 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1812 { 1813 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1814 struct qlcnic_host_sds_ring *sds_ring; 1815 int max_tx_rings = adapter->max_drv_tx_rings; 1816 int ring; 1817 1818 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1819 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1820 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1821 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1822 qlcnic_disable_int(sds_ring); 1823 } 1824 } 1825 1826 qlcnic_fw_destroy_ctx(adapter); 1827 1828 qlcnic_detach(adapter); 1829 1830 adapter->ahw->diag_test = 0; 1831 adapter->max_sds_rings = max_sds_rings; 1832 adapter->max_drv_tx_rings = max_tx_rings; 1833 1834 if (qlcnic_attach(adapter)) 1835 goto out; 1836 1837 if (netif_running(netdev)) 1838 __qlcnic_up(adapter, netdev); 1839 out: 1840 netif_device_attach(netdev); 1841 } 1842 1843 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1844 { 1845 struct qlcnic_hardware_context *ahw = adapter->ahw; 1846 int err = 0; 1847 1848 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1849 GFP_KERNEL); 1850 if (!adapter->recv_ctx) { 1851 err = -ENOMEM; 1852 goto err_out; 1853 } 1854 /* Initialize interrupt coalesce parameters */ 1855 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1856 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1857 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1858 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1859 if (qlcnic_83xx_check(adapter)) { 1860 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1861 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1862 } 1863 /* clear stats */ 1864 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1865 err_out: 1866 return err; 1867 } 1868 1869 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1870 { 1871 kfree(adapter->recv_ctx); 1872 adapter->recv_ctx = NULL; 1873 1874 if (adapter->ahw->fw_dump.tmpl_hdr) { 1875 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1876 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1877 } 1878 1879 kfree(adapter->ahw->reset.buff); 1880 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1881 } 1882 1883 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1884 { 1885 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1886 struct qlcnic_host_sds_ring *sds_ring; 1887 struct qlcnic_host_rds_ring *rds_ring; 1888 int ring; 1889 int ret; 1890 1891 netif_device_detach(netdev); 1892 1893 if (netif_running(netdev)) 1894 __qlcnic_down(adapter, netdev); 1895 1896 qlcnic_detach(adapter); 1897 1898 adapter->max_sds_rings = 1; 1899 adapter->ahw->diag_test = test; 1900 adapter->ahw->linkup = 0; 1901 adapter->max_drv_tx_rings = 1; 1902 1903 ret = qlcnic_attach(adapter); 1904 if (ret) { 1905 netif_device_attach(netdev); 1906 return ret; 1907 } 1908 1909 ret = qlcnic_fw_create_ctx(adapter); 1910 if (ret) { 1911 qlcnic_detach(adapter); 1912 netif_device_attach(netdev); 1913 return ret; 1914 } 1915 1916 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1917 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1918 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1919 } 1920 1921 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1922 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1923 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1924 qlcnic_enable_int(sds_ring); 1925 } 1926 } 1927 1928 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1929 adapter->ahw->loopback_state = 0; 1930 qlcnic_linkevent_request(adapter, 1); 1931 } 1932 1933 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1934 1935 return 0; 1936 } 1937 1938 /* Reset context in hardware only */ 1939 static int 1940 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1941 { 1942 struct net_device *netdev = adapter->netdev; 1943 1944 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1945 return -EBUSY; 1946 1947 netif_device_detach(netdev); 1948 1949 qlcnic_down(adapter, netdev); 1950 1951 qlcnic_up(adapter, netdev); 1952 1953 netif_device_attach(netdev); 1954 1955 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1956 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1957 return 0; 1958 } 1959 1960 int 1961 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1962 { 1963 int err = 0; 1964 struct net_device *netdev = adapter->netdev; 1965 1966 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1967 return -EBUSY; 1968 1969 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1970 1971 netif_device_detach(netdev); 1972 1973 if (netif_running(netdev)) 1974 __qlcnic_down(adapter, netdev); 1975 1976 qlcnic_detach(adapter); 1977 1978 if (netif_running(netdev)) { 1979 err = qlcnic_attach(adapter); 1980 if (!err) { 1981 __qlcnic_up(adapter, netdev); 1982 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1983 } 1984 } 1985 1986 netif_device_attach(netdev); 1987 } 1988 1989 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1990 return err; 1991 } 1992 1993 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 1994 { 1995 struct qlcnic_hardware_context *ahw = adapter->ahw; 1996 u16 act_pci_fn = ahw->act_pci_func; 1997 u16 count; 1998 1999 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2000 if (act_pci_fn <= 2) 2001 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2002 act_pci_fn; 2003 else 2004 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2005 act_pci_fn; 2006 ahw->max_uc_count = count; 2007 } 2008 2009 int 2010 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2011 int pci_using_dac) 2012 { 2013 int err; 2014 struct pci_dev *pdev = adapter->pdev; 2015 2016 adapter->rx_csum = 1; 2017 adapter->ahw->mc_enabled = 0; 2018 qlcnic_set_mac_filter_count(adapter); 2019 2020 netdev->netdev_ops = &qlcnic_netdev_ops; 2021 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2022 2023 qlcnic_change_mtu(netdev, netdev->mtu); 2024 2025 if (qlcnic_sriov_vf_check(adapter)) 2026 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2027 else 2028 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2029 2030 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2031 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2032 NETIF_F_HW_VLAN_CTAG_RX); 2033 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2034 NETIF_F_IPV6_CSUM); 2035 2036 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2037 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2038 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2039 } 2040 2041 if (pci_using_dac) { 2042 netdev->features |= NETIF_F_HIGHDMA; 2043 netdev->vlan_features |= NETIF_F_HIGHDMA; 2044 } 2045 2046 if (qlcnic_vlan_tx_check(adapter)) 2047 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2048 2049 if (qlcnic_sriov_vf_check(adapter)) 2050 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2051 2052 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2053 netdev->features |= NETIF_F_LRO; 2054 2055 netdev->hw_features = netdev->features; 2056 netdev->priv_flags |= IFF_UNICAST_FLT; 2057 netdev->irq = adapter->msix_entries[0].vector; 2058 2059 err = qlcnic_set_real_num_queues(adapter, netdev); 2060 if (err) 2061 return err; 2062 2063 err = register_netdev(netdev); 2064 if (err) { 2065 dev_err(&pdev->dev, "failed to register net device\n"); 2066 return err; 2067 } 2068 2069 qlcnic_dcb_init_dcbnl_ops(adapter); 2070 2071 return 0; 2072 } 2073 2074 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2075 { 2076 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2077 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2078 *pci_using_dac = 1; 2079 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2080 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2081 *pci_using_dac = 0; 2082 else { 2083 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2084 return -EIO; 2085 } 2086 2087 return 0; 2088 } 2089 2090 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2091 { 2092 int ring; 2093 struct qlcnic_host_tx_ring *tx_ring; 2094 2095 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2096 tx_ring = &adapter->tx_ring[ring]; 2097 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2098 vfree(tx_ring->cmd_buf_arr); 2099 tx_ring->cmd_buf_arr = NULL; 2100 } 2101 } 2102 if (adapter->tx_ring != NULL) 2103 kfree(adapter->tx_ring); 2104 } 2105 2106 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2107 struct net_device *netdev) 2108 { 2109 int ring, vector, index; 2110 struct qlcnic_host_tx_ring *tx_ring; 2111 struct qlcnic_cmd_buffer *cmd_buf_arr; 2112 2113 tx_ring = kcalloc(adapter->max_drv_tx_rings, 2114 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2115 if (tx_ring == NULL) 2116 return -ENOMEM; 2117 2118 adapter->tx_ring = tx_ring; 2119 2120 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2121 tx_ring = &adapter->tx_ring[ring]; 2122 tx_ring->num_desc = adapter->num_txd; 2123 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2124 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2125 if (cmd_buf_arr == NULL) { 2126 qlcnic_free_tx_rings(adapter); 2127 return -ENOMEM; 2128 } 2129 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2130 tx_ring->cmd_buf_arr = cmd_buf_arr; 2131 } 2132 2133 if (qlcnic_83xx_check(adapter) || 2134 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2135 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2136 tx_ring = &adapter->tx_ring[ring]; 2137 tx_ring->adapter = adapter; 2138 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2139 index = adapter->max_sds_rings + ring; 2140 vector = adapter->msix_entries[index].vector; 2141 tx_ring->irq = vector; 2142 } 2143 } 2144 } 2145 2146 return 0; 2147 } 2148 2149 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2150 { 2151 struct qlcnic_hardware_context *ahw = adapter->ahw; 2152 u32 fw_cmd = 0; 2153 2154 if (qlcnic_82xx_check(adapter)) 2155 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2156 else if (qlcnic_83xx_check(adapter)) 2157 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2158 2159 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) && 2160 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)) 2161 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2162 } 2163 2164 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter) 2165 { 2166 return __qlcnic_register_dcb(adapter); 2167 } 2168 2169 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter) 2170 { 2171 kfree(adapter->dcb); 2172 adapter->dcb = NULL; 2173 } 2174 2175 static int 2176 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2177 { 2178 struct net_device *netdev = NULL; 2179 struct qlcnic_adapter *adapter = NULL; 2180 struct qlcnic_hardware_context *ahw; 2181 int err, pci_using_dac = -1; 2182 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2183 2184 if (pdev->is_virtfn) 2185 return -ENODEV; 2186 2187 err = pci_enable_device(pdev); 2188 if (err) 2189 return err; 2190 2191 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2192 err = -ENODEV; 2193 goto err_out_disable_pdev; 2194 } 2195 2196 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2197 if (err) 2198 goto err_out_disable_pdev; 2199 2200 err = pci_request_regions(pdev, qlcnic_driver_name); 2201 if (err) 2202 goto err_out_disable_pdev; 2203 2204 pci_set_master(pdev); 2205 pci_enable_pcie_error_reporting(pdev); 2206 2207 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2208 if (!ahw) { 2209 err = -ENOMEM; 2210 goto err_out_free_res; 2211 } 2212 2213 switch (ent->device) { 2214 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2215 ahw->hw_ops = &qlcnic_hw_ops; 2216 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2217 break; 2218 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2219 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2220 qlcnic_83xx_register_map(ahw); 2221 break; 2222 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2223 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2224 qlcnic_sriov_vf_register_map(ahw); 2225 break; 2226 default: 2227 goto err_out_free_hw_res; 2228 } 2229 2230 err = qlcnic_setup_pci_map(pdev, ahw); 2231 if (err) 2232 goto err_out_free_hw_res; 2233 2234 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2235 QLCNIC_MAX_TX_RINGS); 2236 if (!netdev) { 2237 err = -ENOMEM; 2238 goto err_out_iounmap; 2239 } 2240 2241 SET_NETDEV_DEV(netdev, &pdev->dev); 2242 2243 adapter = netdev_priv(netdev); 2244 adapter->netdev = netdev; 2245 adapter->pdev = pdev; 2246 adapter->ahw = ahw; 2247 2248 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2249 if (adapter->qlcnic_wq == NULL) { 2250 err = -ENOMEM; 2251 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2252 goto err_out_free_netdev; 2253 } 2254 2255 err = qlcnic_alloc_adapter_resources(adapter); 2256 if (err) 2257 goto err_out_free_netdev; 2258 2259 adapter->dev_rst_time = jiffies; 2260 adapter->ahw->revision_id = pdev->revision; 2261 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2262 adapter->fdb_mac_learn = true; 2263 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2264 adapter->drv_mac_learn = true; 2265 2266 rwlock_init(&adapter->ahw->crb_lock); 2267 mutex_init(&adapter->ahw->mem_lock); 2268 2269 INIT_LIST_HEAD(&adapter->mac_list); 2270 2271 qlcnic_register_dcb(adapter); 2272 2273 if (qlcnic_82xx_check(adapter)) { 2274 qlcnic_check_vf(adapter, ent); 2275 adapter->portnum = adapter->ahw->pci_func; 2276 err = qlcnic_start_firmware(adapter); 2277 if (err) { 2278 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); 2279 goto err_out_free_hw; 2280 } 2281 2282 qlcnic_get_multiq_capability(adapter); 2283 2284 if ((adapter->ahw->act_pci_func > 2) && 2285 qlcnic_check_multi_tx(adapter)) { 2286 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS; 2287 dev_info(&adapter->pdev->dev, 2288 "vNIC mode enabled, Set max TX rings = %d\n", 2289 adapter->max_drv_tx_rings); 2290 } 2291 2292 if (!qlcnic_check_multi_tx(adapter)) { 2293 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 2294 adapter->max_drv_tx_rings = 1; 2295 } 2296 err = qlcnic_setup_idc_param(adapter); 2297 if (err) 2298 goto err_out_free_hw; 2299 2300 adapter->flags |= QLCNIC_NEED_FLR; 2301 2302 if (adapter->dcb && qlcnic_dcb_attach(adapter)) 2303 qlcnic_clear_dcb_ops(adapter); 2304 2305 } else if (qlcnic_83xx_check(adapter)) { 2306 adapter->max_drv_tx_rings = 1; 2307 qlcnic_83xx_check_vf(adapter, ent); 2308 adapter->portnum = adapter->ahw->pci_func; 2309 err = qlcnic_83xx_init(adapter, pci_using_dac); 2310 if (err) { 2311 dev_err(&pdev->dev, "%s: failed\n", __func__); 2312 goto err_out_free_hw; 2313 } 2314 if (qlcnic_sriov_vf_check(adapter)) 2315 return 0; 2316 } else { 2317 dev_err(&pdev->dev, 2318 "%s: failed. Please Reboot\n", __func__); 2319 goto err_out_free_hw; 2320 } 2321 2322 if (qlcnic_read_mac_addr(adapter)) 2323 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2324 2325 qlcnic_read_phys_port_id(adapter); 2326 2327 if (adapter->portnum == 0) { 2328 qlcnic_get_board_name(adapter, board_name); 2329 2330 pr_info("%s: %s Board Chip rev 0x%x\n", 2331 module_name(THIS_MODULE), 2332 board_name, adapter->ahw->revision_id); 2333 } 2334 2335 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2336 !!qlcnic_use_msi) 2337 dev_warn(&pdev->dev, 2338 "Device does not support MSI interrupts\n"); 2339 2340 if (qlcnic_82xx_check(adapter)) { 2341 err = qlcnic_setup_intr(adapter, 0, 0); 2342 if (err) { 2343 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2344 goto err_out_disable_msi; 2345 } 2346 } 2347 2348 err = qlcnic_get_act_pci_func(adapter); 2349 if (err) 2350 goto err_out_disable_mbx_intr; 2351 2352 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2353 if (err) 2354 goto err_out_disable_mbx_intr; 2355 2356 if (adapter->portnum == 0) 2357 qlcnic_set_drv_version(adapter); 2358 2359 pci_set_drvdata(pdev, adapter); 2360 2361 if (qlcnic_82xx_check(adapter)) 2362 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2363 FW_POLL_DELAY); 2364 2365 switch (adapter->ahw->port_type) { 2366 case QLCNIC_GBE: 2367 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2368 adapter->netdev->name); 2369 break; 2370 case QLCNIC_XGBE: 2371 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2372 adapter->netdev->name); 2373 break; 2374 } 2375 2376 if (adapter->drv_mac_learn) 2377 qlcnic_alloc_lb_filters_mem(adapter); 2378 2379 qlcnic_add_sysfs(adapter); 2380 2381 return 0; 2382 2383 err_out_disable_mbx_intr: 2384 if (qlcnic_83xx_check(adapter)) 2385 qlcnic_83xx_free_mbx_intr(adapter); 2386 2387 err_out_disable_msi: 2388 qlcnic_teardown_intr(adapter); 2389 qlcnic_cancel_idc_work(adapter); 2390 qlcnic_clr_all_drv_state(adapter, 0); 2391 2392 err_out_free_hw: 2393 qlcnic_free_adapter_resources(adapter); 2394 2395 err_out_free_netdev: 2396 free_netdev(netdev); 2397 2398 err_out_iounmap: 2399 qlcnic_cleanup_pci_map(ahw); 2400 2401 err_out_free_hw_res: 2402 kfree(ahw); 2403 2404 err_out_free_res: 2405 pci_release_regions(pdev); 2406 2407 err_out_disable_pdev: 2408 pci_set_drvdata(pdev, NULL); 2409 pci_disable_device(pdev); 2410 return err; 2411 } 2412 2413 static void qlcnic_remove(struct pci_dev *pdev) 2414 { 2415 struct qlcnic_adapter *adapter; 2416 struct net_device *netdev; 2417 struct qlcnic_hardware_context *ahw; 2418 2419 adapter = pci_get_drvdata(pdev); 2420 if (adapter == NULL) 2421 return; 2422 2423 netdev = adapter->netdev; 2424 qlcnic_sriov_pf_disable(adapter); 2425 2426 qlcnic_cancel_idc_work(adapter); 2427 ahw = adapter->ahw; 2428 2429 qlcnic_dcb_free(adapter); 2430 2431 unregister_netdev(netdev); 2432 qlcnic_sriov_cleanup(adapter); 2433 2434 if (qlcnic_83xx_check(adapter)) { 2435 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2436 cancel_delayed_work_sync(&adapter->idc_aen_work); 2437 qlcnic_83xx_free_mbx_intr(adapter); 2438 qlcnic_83xx_detach_mailbox_work(adapter); 2439 qlcnic_83xx_free_mailbox(ahw->mailbox); 2440 kfree(ahw->fw_info); 2441 } 2442 2443 qlcnic_detach(adapter); 2444 2445 if (adapter->npars != NULL) 2446 kfree(adapter->npars); 2447 if (adapter->eswitch != NULL) 2448 kfree(adapter->eswitch); 2449 2450 if (qlcnic_82xx_check(adapter)) 2451 qlcnic_clr_all_drv_state(adapter, 0); 2452 2453 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2454 2455 qlcnic_free_lb_filters_mem(adapter); 2456 2457 qlcnic_teardown_intr(adapter); 2458 2459 qlcnic_remove_sysfs(adapter); 2460 2461 qlcnic_cleanup_pci_map(adapter->ahw); 2462 2463 qlcnic_release_firmware(adapter); 2464 2465 pci_disable_pcie_error_reporting(pdev); 2466 pci_release_regions(pdev); 2467 pci_disable_device(pdev); 2468 pci_set_drvdata(pdev, NULL); 2469 2470 if (adapter->qlcnic_wq) { 2471 destroy_workqueue(adapter->qlcnic_wq); 2472 adapter->qlcnic_wq = NULL; 2473 } 2474 2475 qlcnic_free_adapter_resources(adapter); 2476 kfree(ahw); 2477 free_netdev(netdev); 2478 } 2479 2480 static void qlcnic_shutdown(struct pci_dev *pdev) 2481 { 2482 if (__qlcnic_shutdown(pdev)) 2483 return; 2484 2485 pci_disable_device(pdev); 2486 } 2487 2488 #ifdef CONFIG_PM 2489 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2490 { 2491 int retval; 2492 2493 retval = __qlcnic_shutdown(pdev); 2494 if (retval) 2495 return retval; 2496 2497 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2498 return 0; 2499 } 2500 2501 static int qlcnic_resume(struct pci_dev *pdev) 2502 { 2503 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2504 int err; 2505 2506 err = pci_enable_device(pdev); 2507 if (err) 2508 return err; 2509 2510 pci_set_power_state(pdev, PCI_D0); 2511 pci_set_master(pdev); 2512 pci_restore_state(pdev); 2513 2514 return __qlcnic_resume(adapter); 2515 } 2516 #endif 2517 2518 static int qlcnic_open(struct net_device *netdev) 2519 { 2520 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2521 int err; 2522 2523 netif_carrier_off(netdev); 2524 2525 err = qlcnic_attach(adapter); 2526 if (err) 2527 return err; 2528 2529 err = __qlcnic_up(adapter, netdev); 2530 if (err) 2531 goto err_out; 2532 2533 netif_tx_start_all_queues(netdev); 2534 2535 return 0; 2536 2537 err_out: 2538 qlcnic_detach(adapter); 2539 return err; 2540 } 2541 2542 /* 2543 * qlcnic_close - Disables a network interface entry point 2544 */ 2545 static int qlcnic_close(struct net_device *netdev) 2546 { 2547 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2548 2549 __qlcnic_down(adapter, netdev); 2550 2551 return 0; 2552 } 2553 2554 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2555 { 2556 void *head; 2557 int i; 2558 struct net_device *netdev = adapter->netdev; 2559 u32 filter_size = 0; 2560 u16 act_pci_func = 0; 2561 2562 if (adapter->fhash.fmax && adapter->fhash.fhead) 2563 return; 2564 2565 act_pci_func = adapter->ahw->act_pci_func; 2566 spin_lock_init(&adapter->mac_learn_lock); 2567 spin_lock_init(&adapter->rx_mac_learn_lock); 2568 2569 if (qlcnic_82xx_check(adapter)) { 2570 filter_size = QLCNIC_LB_MAX_FILTERS; 2571 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2572 } else { 2573 filter_size = QLC_83XX_LB_MAX_FILTERS; 2574 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2575 } 2576 2577 head = kcalloc(adapter->fhash.fbucket_size, 2578 sizeof(struct hlist_head), GFP_ATOMIC); 2579 2580 if (!head) 2581 return; 2582 2583 adapter->fhash.fmax = (filter_size / act_pci_func); 2584 adapter->fhash.fhead = head; 2585 2586 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2587 act_pci_func, adapter->fhash.fmax); 2588 2589 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2590 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2591 2592 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2593 2594 head = kcalloc(adapter->rx_fhash.fbucket_size, 2595 sizeof(struct hlist_head), GFP_ATOMIC); 2596 2597 if (!head) 2598 return; 2599 2600 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2601 adapter->rx_fhash.fhead = head; 2602 2603 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2604 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2605 } 2606 2607 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2608 { 2609 if (adapter->fhash.fmax && adapter->fhash.fhead) 2610 kfree(adapter->fhash.fhead); 2611 2612 adapter->fhash.fhead = NULL; 2613 adapter->fhash.fmax = 0; 2614 2615 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2616 kfree(adapter->rx_fhash.fhead); 2617 2618 adapter->rx_fhash.fmax = 0; 2619 adapter->rx_fhash.fhead = NULL; 2620 } 2621 2622 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2623 { 2624 struct net_device *netdev = adapter->netdev; 2625 u32 temp_state, temp_val, temp = 0; 2626 int rv = 0; 2627 2628 if (qlcnic_83xx_check(adapter)) 2629 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2630 2631 if (qlcnic_82xx_check(adapter)) 2632 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2633 2634 temp_state = qlcnic_get_temp_state(temp); 2635 temp_val = qlcnic_get_temp_val(temp); 2636 2637 if (temp_state == QLCNIC_TEMP_PANIC) { 2638 dev_err(&netdev->dev, 2639 "Device temperature %d degrees C exceeds" 2640 " maximum allowed. Hardware has been shut down.\n", 2641 temp_val); 2642 rv = 1; 2643 } else if (temp_state == QLCNIC_TEMP_WARN) { 2644 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2645 dev_err(&netdev->dev, 2646 "Device temperature %d degrees C " 2647 "exceeds operating range." 2648 " Immediate action needed.\n", 2649 temp_val); 2650 } 2651 } else { 2652 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2653 dev_info(&netdev->dev, 2654 "Device temperature is now %d degrees C" 2655 " in normal range.\n", temp_val); 2656 } 2657 } 2658 adapter->ahw->temp = temp_state; 2659 return rv; 2660 } 2661 2662 static void qlcnic_tx_timeout(struct net_device *netdev) 2663 { 2664 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2665 struct qlcnic_host_tx_ring *tx_ring; 2666 int ring; 2667 2668 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2669 return; 2670 2671 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2672 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2673 if (qlcnic_82xx_check(adapter)) 2674 adapter->need_fw_reset = 1; 2675 else if (qlcnic_83xx_check(adapter)) 2676 qlcnic_83xx_idc_request_reset(adapter, 2677 QLCNIC_FORCE_FW_DUMP_KEY); 2678 } else { 2679 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2680 if (qlcnic_82xx_check(adapter)) { 2681 for (ring = 0; ring < adapter->max_drv_tx_rings; 2682 ring++) { 2683 tx_ring = &adapter->tx_ring[ring]; 2684 dev_info(&netdev->dev, "ring=%d\n", ring); 2685 dev_info(&netdev->dev, "crb_intr_mask=%d\n", 2686 readl(tx_ring->crb_intr_mask)); 2687 dev_info(&netdev->dev, "producer=%d\n", 2688 readl(tx_ring->crb_cmd_producer)); 2689 dev_info(&netdev->dev, "sw_consumer = %d\n", 2690 tx_ring->sw_consumer); 2691 dev_info(&netdev->dev, "hw_consumer = %d\n", 2692 le32_to_cpu(*(tx_ring->hw_consumer))); 2693 dev_info(&netdev->dev, "xmit-on=%llu\n", 2694 tx_ring->xmit_on); 2695 dev_info(&netdev->dev, "xmit-off=%llu\n", 2696 tx_ring->xmit_off); 2697 } 2698 } 2699 adapter->ahw->reset_context = 1; 2700 } 2701 } 2702 2703 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2704 { 2705 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2706 struct net_device_stats *stats = &netdev->stats; 2707 2708 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2709 stats->tx_packets = adapter->stats.xmitfinished; 2710 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2711 stats->tx_bytes = adapter->stats.txbytes; 2712 stats->rx_dropped = adapter->stats.rxdropped; 2713 stats->tx_dropped = adapter->stats.txdropped; 2714 2715 return stats; 2716 } 2717 2718 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2719 { 2720 u32 status; 2721 2722 status = readl(adapter->isr_int_vec); 2723 2724 if (!(status & adapter->ahw->int_vec_bit)) 2725 return IRQ_NONE; 2726 2727 /* check interrupt state machine, to be sure */ 2728 status = readl(adapter->crb_int_state_reg); 2729 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2730 return IRQ_NONE; 2731 2732 writel(0xffffffff, adapter->tgt_status_reg); 2733 /* read twice to ensure write is flushed */ 2734 readl(adapter->isr_int_vec); 2735 readl(adapter->isr_int_vec); 2736 2737 return IRQ_HANDLED; 2738 } 2739 2740 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2741 { 2742 struct qlcnic_host_sds_ring *sds_ring = data; 2743 struct qlcnic_adapter *adapter = sds_ring->adapter; 2744 2745 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2746 goto done; 2747 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2748 writel(0xffffffff, adapter->tgt_status_reg); 2749 goto done; 2750 } 2751 2752 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2753 return IRQ_NONE; 2754 2755 done: 2756 adapter->ahw->diag_cnt++; 2757 qlcnic_enable_int(sds_ring); 2758 return IRQ_HANDLED; 2759 } 2760 2761 static irqreturn_t qlcnic_intr(int irq, void *data) 2762 { 2763 struct qlcnic_host_sds_ring *sds_ring = data; 2764 struct qlcnic_adapter *adapter = sds_ring->adapter; 2765 2766 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2767 return IRQ_NONE; 2768 2769 napi_schedule(&sds_ring->napi); 2770 2771 return IRQ_HANDLED; 2772 } 2773 2774 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2775 { 2776 struct qlcnic_host_sds_ring *sds_ring = data; 2777 struct qlcnic_adapter *adapter = sds_ring->adapter; 2778 2779 /* clear interrupt */ 2780 writel(0xffffffff, adapter->tgt_status_reg); 2781 2782 napi_schedule(&sds_ring->napi); 2783 return IRQ_HANDLED; 2784 } 2785 2786 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2787 { 2788 struct qlcnic_host_sds_ring *sds_ring = data; 2789 2790 napi_schedule(&sds_ring->napi); 2791 return IRQ_HANDLED; 2792 } 2793 2794 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2795 { 2796 struct qlcnic_host_tx_ring *tx_ring = data; 2797 2798 napi_schedule(&tx_ring->napi); 2799 return IRQ_HANDLED; 2800 } 2801 2802 #ifdef CONFIG_NET_POLL_CONTROLLER 2803 static void qlcnic_poll_controller(struct net_device *netdev) 2804 { 2805 int ring; 2806 struct qlcnic_host_sds_ring *sds_ring; 2807 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2808 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2809 2810 disable_irq(adapter->irq); 2811 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2812 sds_ring = &recv_ctx->sds_rings[ring]; 2813 qlcnic_intr(adapter->irq, sds_ring); 2814 } 2815 enable_irq(adapter->irq); 2816 } 2817 #endif 2818 2819 static void 2820 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2821 { 2822 u32 val; 2823 2824 val = adapter->portnum & 0xf; 2825 val |= encoding << 7; 2826 val |= (jiffies - adapter->dev_rst_time) << 8; 2827 2828 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2829 adapter->dev_rst_time = jiffies; 2830 } 2831 2832 static int 2833 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2834 { 2835 u32 val; 2836 2837 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2838 state != QLCNIC_DEV_NEED_QUISCENT); 2839 2840 if (qlcnic_api_lock(adapter)) 2841 return -EIO; 2842 2843 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2844 2845 if (state == QLCNIC_DEV_NEED_RESET) 2846 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2847 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2848 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2849 2850 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2851 2852 qlcnic_api_unlock(adapter); 2853 2854 return 0; 2855 } 2856 2857 static int 2858 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2859 { 2860 u32 val; 2861 2862 if (qlcnic_api_lock(adapter)) 2863 return -EBUSY; 2864 2865 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2866 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2867 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2868 2869 qlcnic_api_unlock(adapter); 2870 2871 return 0; 2872 } 2873 2874 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2875 { 2876 u32 val; 2877 2878 if (qlcnic_api_lock(adapter)) 2879 goto err; 2880 2881 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2882 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2883 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2884 2885 if (failed) { 2886 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2887 QLCNIC_DEV_FAILED); 2888 dev_info(&adapter->pdev->dev, 2889 "Device state set to Failed. Please Reboot\n"); 2890 } else if (!(val & 0x11111111)) 2891 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2892 QLCNIC_DEV_COLD); 2893 2894 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2895 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2896 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2897 2898 qlcnic_api_unlock(adapter); 2899 err: 2900 adapter->fw_fail_cnt = 0; 2901 adapter->flags &= ~QLCNIC_FW_HANG; 2902 clear_bit(__QLCNIC_START_FW, &adapter->state); 2903 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2904 } 2905 2906 /* Grab api lock, before checking state */ 2907 static int 2908 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2909 { 2910 int act, state, active_mask; 2911 struct qlcnic_hardware_context *ahw = adapter->ahw; 2912 2913 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2914 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2915 2916 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2917 active_mask = (~(1 << (ahw->pci_func * 4))); 2918 act = act & active_mask; 2919 } 2920 2921 if (((state & 0x11111111) == (act & 0x11111111)) || 2922 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2923 return 0; 2924 else 2925 return 1; 2926 } 2927 2928 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2929 { 2930 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2931 2932 if (val != QLCNIC_DRV_IDC_VER) { 2933 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2934 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2935 } 2936 2937 return 0; 2938 } 2939 2940 static int 2941 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2942 { 2943 u32 val, prev_state; 2944 u8 dev_init_timeo = adapter->dev_init_timeo; 2945 u8 portnum = adapter->portnum; 2946 u8 ret; 2947 2948 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2949 return 1; 2950 2951 if (qlcnic_api_lock(adapter)) 2952 return -1; 2953 2954 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2955 if (!(val & (1 << (portnum * 4)))) { 2956 QLC_DEV_SET_REF_CNT(val, portnum); 2957 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2958 } 2959 2960 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2961 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2962 2963 switch (prev_state) { 2964 case QLCNIC_DEV_COLD: 2965 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2966 QLCNIC_DEV_INITIALIZING); 2967 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2968 QLCNIC_DRV_IDC_VER); 2969 qlcnic_idc_debug_info(adapter, 0); 2970 qlcnic_api_unlock(adapter); 2971 return 1; 2972 2973 case QLCNIC_DEV_READY: 2974 ret = qlcnic_check_idc_ver(adapter); 2975 qlcnic_api_unlock(adapter); 2976 return ret; 2977 2978 case QLCNIC_DEV_NEED_RESET: 2979 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2980 QLC_DEV_SET_RST_RDY(val, portnum); 2981 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2982 break; 2983 2984 case QLCNIC_DEV_NEED_QUISCENT: 2985 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2986 QLC_DEV_SET_QSCNT_RDY(val, portnum); 2987 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2988 break; 2989 2990 case QLCNIC_DEV_FAILED: 2991 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 2992 qlcnic_api_unlock(adapter); 2993 return -1; 2994 2995 case QLCNIC_DEV_INITIALIZING: 2996 case QLCNIC_DEV_QUISCENT: 2997 break; 2998 } 2999 3000 qlcnic_api_unlock(adapter); 3001 3002 do { 3003 msleep(1000); 3004 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3005 3006 if (prev_state == QLCNIC_DEV_QUISCENT) 3007 continue; 3008 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3009 3010 if (!dev_init_timeo) { 3011 dev_err(&adapter->pdev->dev, 3012 "Waiting for device to initialize timeout\n"); 3013 return -1; 3014 } 3015 3016 if (qlcnic_api_lock(adapter)) 3017 return -1; 3018 3019 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3020 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3021 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3022 3023 ret = qlcnic_check_idc_ver(adapter); 3024 qlcnic_api_unlock(adapter); 3025 3026 return ret; 3027 } 3028 3029 static void 3030 qlcnic_fwinit_work(struct work_struct *work) 3031 { 3032 struct qlcnic_adapter *adapter = container_of(work, 3033 struct qlcnic_adapter, fw_work.work); 3034 u32 dev_state = 0xf; 3035 u32 val; 3036 3037 if (qlcnic_api_lock(adapter)) 3038 goto err_ret; 3039 3040 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3041 if (dev_state == QLCNIC_DEV_QUISCENT || 3042 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3043 qlcnic_api_unlock(adapter); 3044 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3045 FW_POLL_DELAY * 2); 3046 return; 3047 } 3048 3049 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3050 qlcnic_api_unlock(adapter); 3051 goto wait_npar; 3052 } 3053 3054 if (dev_state == QLCNIC_DEV_INITIALIZING || 3055 dev_state == QLCNIC_DEV_READY) { 3056 dev_info(&adapter->pdev->dev, "Detected state change from " 3057 "DEV_NEED_RESET, skipping ack check\n"); 3058 goto skip_ack_check; 3059 } 3060 3061 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3062 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3063 adapter->reset_ack_timeo); 3064 goto skip_ack_check; 3065 } 3066 3067 if (!qlcnic_check_drv_state(adapter)) { 3068 skip_ack_check: 3069 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3070 3071 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3072 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3073 QLCNIC_DEV_INITIALIZING); 3074 set_bit(__QLCNIC_START_FW, &adapter->state); 3075 QLCDB(adapter, DRV, "Restarting fw\n"); 3076 qlcnic_idc_debug_info(adapter, 0); 3077 val = QLC_SHARED_REG_RD32(adapter, 3078 QLCNIC_CRB_DRV_STATE); 3079 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3080 QLC_SHARED_REG_WR32(adapter, 3081 QLCNIC_CRB_DRV_STATE, val); 3082 } 3083 3084 qlcnic_api_unlock(adapter); 3085 3086 rtnl_lock(); 3087 if (qlcnic_check_fw_dump_state(adapter) && 3088 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3089 QLCDB(adapter, DRV, "Take FW dump\n"); 3090 qlcnic_dump_fw(adapter); 3091 adapter->flags |= QLCNIC_FW_HANG; 3092 } 3093 rtnl_unlock(); 3094 3095 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3096 if (!adapter->nic_ops->start_firmware(adapter)) { 3097 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3098 adapter->fw_wait_cnt = 0; 3099 return; 3100 } 3101 goto err_ret; 3102 } 3103 3104 qlcnic_api_unlock(adapter); 3105 3106 wait_npar: 3107 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3108 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3109 3110 switch (dev_state) { 3111 case QLCNIC_DEV_READY: 3112 if (!qlcnic_start_firmware(adapter)) { 3113 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3114 adapter->fw_wait_cnt = 0; 3115 return; 3116 } 3117 case QLCNIC_DEV_FAILED: 3118 break; 3119 default: 3120 qlcnic_schedule_work(adapter, 3121 qlcnic_fwinit_work, FW_POLL_DELAY); 3122 return; 3123 } 3124 3125 err_ret: 3126 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3127 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3128 netif_device_attach(adapter->netdev); 3129 qlcnic_clr_all_drv_state(adapter, 0); 3130 } 3131 3132 static void 3133 qlcnic_detach_work(struct work_struct *work) 3134 { 3135 struct qlcnic_adapter *adapter = container_of(work, 3136 struct qlcnic_adapter, fw_work.work); 3137 struct net_device *netdev = adapter->netdev; 3138 u32 status; 3139 3140 netif_device_detach(netdev); 3141 3142 /* Dont grab rtnl lock during Quiscent mode */ 3143 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3144 if (netif_running(netdev)) 3145 __qlcnic_down(adapter, netdev); 3146 } else 3147 qlcnic_down(adapter, netdev); 3148 3149 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3150 3151 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3152 dev_err(&adapter->pdev->dev, 3153 "Detaching the device: peg halt status1=0x%x\n", 3154 status); 3155 3156 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3157 dev_err(&adapter->pdev->dev, 3158 "On board active cooling fan failed. " 3159 "Device has been halted.\n"); 3160 dev_err(&adapter->pdev->dev, 3161 "Replace the adapter.\n"); 3162 } 3163 3164 goto err_ret; 3165 } 3166 3167 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3168 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3169 adapter->ahw->temp); 3170 goto err_ret; 3171 } 3172 3173 /* Dont ack if this instance is the reset owner */ 3174 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3175 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3176 dev_err(&adapter->pdev->dev, 3177 "Failed to set driver state," 3178 "detaching the device.\n"); 3179 goto err_ret; 3180 } 3181 } 3182 3183 adapter->fw_wait_cnt = 0; 3184 3185 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3186 3187 return; 3188 3189 err_ret: 3190 netif_device_attach(netdev); 3191 qlcnic_clr_all_drv_state(adapter, 1); 3192 } 3193 3194 /*Transit NPAR state to NON Operational */ 3195 static void 3196 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3197 { 3198 u32 state; 3199 3200 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3201 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3202 return; 3203 3204 if (qlcnic_api_lock(adapter)) 3205 return; 3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3207 QLCNIC_DEV_NPAR_NON_OPER); 3208 qlcnic_api_unlock(adapter); 3209 } 3210 3211 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 3212 { 3213 u32 state, xg_val = 0, gb_val = 0; 3214 3215 qlcnic_xg_set_xg0_mask(xg_val); 3216 qlcnic_xg_set_xg1_mask(xg_val); 3217 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3218 qlcnic_gb_set_gb0_mask(gb_val); 3219 qlcnic_gb_set_gb1_mask(gb_val); 3220 qlcnic_gb_set_gb2_mask(gb_val); 3221 qlcnic_gb_set_gb3_mask(gb_val); 3222 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3223 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3224 " on all ports\n"); 3225 adapter->need_fw_reset = 1; 3226 3227 if (qlcnic_api_lock(adapter)) 3228 return; 3229 3230 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3231 3232 if (state == QLCNIC_DEV_READY) { 3233 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3234 QLCNIC_DEV_NEED_RESET); 3235 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3236 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3237 qlcnic_idc_debug_info(adapter, 0); 3238 } 3239 3240 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3241 QLCNIC_DEV_NPAR_NON_OPER); 3242 qlcnic_api_unlock(adapter); 3243 } 3244 3245 /* Transit to NPAR READY state from NPAR NOT READY state */ 3246 static void 3247 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3248 { 3249 if (qlcnic_api_lock(adapter)) 3250 return; 3251 3252 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3253 QLCNIC_DEV_NPAR_OPER); 3254 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3255 3256 qlcnic_api_unlock(adapter); 3257 } 3258 3259 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3260 work_func_t func, int delay) 3261 { 3262 if (test_bit(__QLCNIC_AER, &adapter->state)) 3263 return; 3264 3265 INIT_DELAYED_WORK(&adapter->fw_work, func); 3266 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3267 round_jiffies_relative(delay)); 3268 } 3269 3270 static void 3271 qlcnic_attach_work(struct work_struct *work) 3272 { 3273 struct qlcnic_adapter *adapter = container_of(work, 3274 struct qlcnic_adapter, fw_work.work); 3275 struct net_device *netdev = adapter->netdev; 3276 u32 npar_state; 3277 3278 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3279 npar_state = QLC_SHARED_REG_RD32(adapter, 3280 QLCNIC_CRB_DEV_NPAR_STATE); 3281 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3282 qlcnic_clr_all_drv_state(adapter, 0); 3283 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3284 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3285 FW_POLL_DELAY); 3286 else 3287 goto attach; 3288 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3289 return; 3290 } 3291 attach: 3292 qlcnic_dcb_get_info(adapter); 3293 3294 if (netif_running(netdev)) { 3295 if (qlcnic_up(adapter, netdev)) 3296 goto done; 3297 3298 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3299 } 3300 3301 done: 3302 netif_device_attach(netdev); 3303 adapter->fw_fail_cnt = 0; 3304 adapter->flags &= ~QLCNIC_FW_HANG; 3305 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3306 if (adapter->portnum == 0) 3307 qlcnic_set_drv_version(adapter); 3308 3309 if (!qlcnic_clr_drv_state(adapter)) 3310 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3311 FW_POLL_DELAY); 3312 } 3313 3314 static int 3315 qlcnic_check_health(struct qlcnic_adapter *adapter) 3316 { 3317 u32 state = 0, heartbeat; 3318 u32 peg_status; 3319 int err = 0; 3320 3321 if (qlcnic_check_temp(adapter)) 3322 goto detach; 3323 3324 if (adapter->need_fw_reset) 3325 qlcnic_dev_request_reset(adapter, 0); 3326 3327 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3328 if (state == QLCNIC_DEV_NEED_RESET) { 3329 qlcnic_set_npar_non_operational(adapter); 3330 adapter->need_fw_reset = 1; 3331 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3332 goto detach; 3333 3334 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3335 if (heartbeat != adapter->heartbeat) { 3336 adapter->heartbeat = heartbeat; 3337 adapter->fw_fail_cnt = 0; 3338 if (adapter->need_fw_reset) 3339 goto detach; 3340 3341 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3342 qlcnic_reset_hw_context(adapter); 3343 3344 return 0; 3345 } 3346 3347 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3348 return 0; 3349 3350 adapter->flags |= QLCNIC_FW_HANG; 3351 3352 qlcnic_dev_request_reset(adapter, 0); 3353 3354 if (qlcnic_auto_fw_reset) 3355 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3356 3357 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3358 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3359 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3360 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3361 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3362 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3363 "PEG_NET_4_PC: 0x%x\n", 3364 peg_status, 3365 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3366 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3367 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3368 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3369 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3370 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3371 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3372 dev_err(&adapter->pdev->dev, 3373 "Firmware aborted with error code 0x00006700. " 3374 "Device is being reset.\n"); 3375 detach: 3376 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3377 QLCNIC_DEV_NEED_RESET; 3378 3379 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3380 &adapter->state)) { 3381 3382 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3383 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3384 } 3385 3386 return 1; 3387 } 3388 3389 void qlcnic_fw_poll_work(struct work_struct *work) 3390 { 3391 struct qlcnic_adapter *adapter = container_of(work, 3392 struct qlcnic_adapter, fw_work.work); 3393 3394 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3395 goto reschedule; 3396 3397 3398 if (qlcnic_check_health(adapter)) 3399 return; 3400 3401 if (adapter->fhash.fnum) 3402 qlcnic_prune_lb_filters(adapter); 3403 3404 reschedule: 3405 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3406 } 3407 3408 static int qlcnic_is_first_func(struct pci_dev *pdev) 3409 { 3410 struct pci_dev *oth_pdev; 3411 int val = pdev->devfn; 3412 3413 while (val-- > 0) { 3414 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3415 (pdev->bus), pdev->bus->number, 3416 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3417 if (!oth_pdev) 3418 continue; 3419 3420 if (oth_pdev->current_state != PCI_D3cold) { 3421 pci_dev_put(oth_pdev); 3422 return 0; 3423 } 3424 pci_dev_put(oth_pdev); 3425 } 3426 return 1; 3427 } 3428 3429 static int qlcnic_attach_func(struct pci_dev *pdev) 3430 { 3431 int err, first_func; 3432 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3433 struct net_device *netdev = adapter->netdev; 3434 3435 pdev->error_state = pci_channel_io_normal; 3436 3437 err = pci_enable_device(pdev); 3438 if (err) 3439 return err; 3440 3441 pci_set_master(pdev); 3442 pci_restore_state(pdev); 3443 3444 first_func = qlcnic_is_first_func(pdev); 3445 3446 if (qlcnic_api_lock(adapter)) 3447 return -EINVAL; 3448 3449 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3450 adapter->need_fw_reset = 1; 3451 set_bit(__QLCNIC_START_FW, &adapter->state); 3452 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3453 QLCNIC_DEV_INITIALIZING); 3454 QLCDB(adapter, DRV, "Restarting fw\n"); 3455 } 3456 qlcnic_api_unlock(adapter); 3457 3458 err = qlcnic_start_firmware(adapter); 3459 if (err) 3460 return err; 3461 3462 qlcnic_clr_drv_state(adapter); 3463 kfree(adapter->msix_entries); 3464 adapter->msix_entries = NULL; 3465 err = qlcnic_setup_intr(adapter, 0, 0); 3466 3467 if (err) { 3468 kfree(adapter->msix_entries); 3469 netdev_err(netdev, "failed to setup interrupt\n"); 3470 return err; 3471 } 3472 3473 if (netif_running(netdev)) { 3474 err = qlcnic_attach(adapter); 3475 if (err) { 3476 qlcnic_clr_all_drv_state(adapter, 1); 3477 clear_bit(__QLCNIC_AER, &adapter->state); 3478 netif_device_attach(netdev); 3479 return err; 3480 } 3481 3482 err = qlcnic_up(adapter, netdev); 3483 if (err) 3484 goto done; 3485 3486 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3487 } 3488 done: 3489 netif_device_attach(netdev); 3490 return err; 3491 } 3492 3493 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3494 pci_channel_state_t state) 3495 { 3496 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3497 struct net_device *netdev = adapter->netdev; 3498 3499 if (state == pci_channel_io_perm_failure) 3500 return PCI_ERS_RESULT_DISCONNECT; 3501 3502 if (state == pci_channel_io_normal) 3503 return PCI_ERS_RESULT_RECOVERED; 3504 3505 set_bit(__QLCNIC_AER, &adapter->state); 3506 netif_device_detach(netdev); 3507 3508 cancel_delayed_work_sync(&adapter->fw_work); 3509 3510 if (netif_running(netdev)) 3511 qlcnic_down(adapter, netdev); 3512 3513 qlcnic_detach(adapter); 3514 qlcnic_teardown_intr(adapter); 3515 3516 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3517 3518 pci_save_state(pdev); 3519 pci_disable_device(pdev); 3520 3521 return PCI_ERS_RESULT_NEED_RESET; 3522 } 3523 3524 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3525 { 3526 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3527 PCI_ERS_RESULT_RECOVERED; 3528 } 3529 3530 void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3531 { 3532 u32 state; 3533 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3534 3535 pci_cleanup_aer_uncorrect_error_status(pdev); 3536 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3537 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3538 &adapter->state)) 3539 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3540 FW_POLL_DELAY); 3541 } 3542 3543 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3544 pci_channel_state_t state) 3545 { 3546 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3547 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3548 3549 if (hw_ops->io_error_detected) { 3550 return hw_ops->io_error_detected(pdev, state); 3551 } else { 3552 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3553 return PCI_ERS_RESULT_DISCONNECT; 3554 } 3555 } 3556 3557 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3558 { 3559 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3560 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3561 3562 if (hw_ops->io_slot_reset) { 3563 return hw_ops->io_slot_reset(pdev); 3564 } else { 3565 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3566 return PCI_ERS_RESULT_DISCONNECT; 3567 } 3568 } 3569 3570 static void qlcnic_io_resume(struct pci_dev *pdev) 3571 { 3572 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3573 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3574 3575 if (hw_ops->io_resume) 3576 hw_ops->io_resume(pdev); 3577 else 3578 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3579 } 3580 3581 3582 static int 3583 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3584 { 3585 int err; 3586 3587 err = qlcnic_can_start_firmware(adapter); 3588 if (err) 3589 return err; 3590 3591 err = qlcnic_check_npar_opertional(adapter); 3592 if (err) 3593 return err; 3594 3595 err = qlcnic_initialize_nic(adapter); 3596 if (err) 3597 return err; 3598 3599 qlcnic_check_options(adapter); 3600 3601 err = qlcnic_set_eswitch_port_config(adapter); 3602 if (err) 3603 return err; 3604 3605 adapter->need_fw_reset = 0; 3606 3607 return err; 3608 } 3609 3610 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq) 3611 { 3612 struct net_device *netdev = adapter->netdev; 3613 u8 max_hw = QLCNIC_MAX_TX_RINGS; 3614 u32 max_allowed; 3615 3616 if (!qlcnic_82xx_check(adapter)) { 3617 netdev_err(netdev, "No Multi TX-Q support\n"); 3618 return -EINVAL; 3619 } 3620 3621 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3622 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n"); 3623 return -EINVAL; 3624 } 3625 3626 if (!qlcnic_check_multi_tx(adapter)) { 3627 netdev_err(netdev, "No Multi TX-Q support\n"); 3628 return -EINVAL; 3629 } 3630 3631 if (txq > QLCNIC_MAX_TX_RINGS) { 3632 netdev_err(netdev, "Invalid ring count\n"); 3633 return -EINVAL; 3634 } 3635 3636 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3637 num_online_cpus())); 3638 if ((txq > max_allowed) || !is_power_of_2(txq)) { 3639 if (!is_power_of_2(txq)) 3640 netdev_err(netdev, 3641 "TX queue should be a power of 2\n"); 3642 if (txq > num_online_cpus()) 3643 netdev_err(netdev, 3644 "Tx queue should not be higher than [%u], number of online CPUs in the system\n", 3645 num_online_cpus()); 3646 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq); 3647 return -EINVAL; 3648 } 3649 3650 return 0; 3651 } 3652 3653 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3654 __u32 val) 3655 { 3656 struct net_device *netdev = adapter->netdev; 3657 u8 max_hw = adapter->ahw->max_rx_ques; 3658 u32 max_allowed; 3659 3660 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x && 3661 !qlcnic_use_msi) { 3662 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3663 return -EINVAL; 3664 } 3665 3666 if (val > QLCNIC_MAX_SDS_RINGS) { 3667 netdev_err(netdev, "RSS value should not be higher than %u\n", 3668 QLCNIC_MAX_SDS_RINGS); 3669 return -EINVAL; 3670 } 3671 3672 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3673 num_online_cpus())); 3674 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3675 if (!is_power_of_2(val)) 3676 netdev_err(netdev, "RSS value should be a power of 2\n"); 3677 3678 if (val < 2) 3679 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3680 3681 if (val > max_hw) 3682 netdev_err(netdev, 3683 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3684 max_hw); 3685 3686 if (val > num_online_cpus()) 3687 netdev_err(netdev, 3688 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3689 num_online_cpus()); 3690 3691 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3692 3693 return -EINVAL; 3694 } 3695 return 0; 3696 } 3697 3698 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq) 3699 { 3700 int err; 3701 struct net_device *netdev = adapter->netdev; 3702 int num_msix; 3703 3704 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3705 return -EBUSY; 3706 3707 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x && 3708 !qlcnic_use_msi) { 3709 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3710 return -EINVAL; 3711 } 3712 3713 netif_device_detach(netdev); 3714 if (netif_running(netdev)) 3715 __qlcnic_down(adapter, netdev); 3716 3717 qlcnic_detach(adapter); 3718 3719 if (qlcnic_82xx_check(adapter)) { 3720 if (txq != 0) 3721 adapter->max_drv_tx_rings = txq; 3722 3723 if (qlcnic_check_multi_tx(adapter) && 3724 (txq > adapter->max_drv_tx_rings)) 3725 num_msix = adapter->max_drv_tx_rings; 3726 else 3727 num_msix = data; 3728 } 3729 3730 if (qlcnic_83xx_check(adapter)) { 3731 qlcnic_83xx_free_mbx_intr(adapter); 3732 qlcnic_83xx_enable_mbx_poll(adapter); 3733 } 3734 3735 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings); 3736 3737 qlcnic_teardown_intr(adapter); 3738 3739 err = qlcnic_setup_intr(adapter, data, txq); 3740 if (err) { 3741 kfree(adapter->msix_entries); 3742 netdev_err(netdev, "failed to setup interrupt\n"); 3743 return err; 3744 } 3745 3746 if (qlcnic_83xx_check(adapter)) { 3747 /* register for NIC IDC AEN Events */ 3748 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3749 err = qlcnic_83xx_setup_mbx_intr(adapter); 3750 qlcnic_83xx_disable_mbx_poll(adapter); 3751 if (err) { 3752 dev_err(&adapter->pdev->dev, 3753 "failed to setup mbx interrupt\n"); 3754 goto done; 3755 } 3756 } 3757 3758 if (netif_running(netdev)) { 3759 err = qlcnic_attach(adapter); 3760 if (err) 3761 goto done; 3762 err = __qlcnic_up(adapter, netdev); 3763 if (err) 3764 goto done; 3765 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3766 } 3767 done: 3768 netif_device_attach(netdev); 3769 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3770 return err; 3771 } 3772 3773 #ifdef CONFIG_INET 3774 3775 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3776 3777 static void 3778 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3779 struct net_device *dev, unsigned long event) 3780 { 3781 struct in_device *indev; 3782 3783 indev = in_dev_get(dev); 3784 if (!indev) 3785 return; 3786 3787 for_ifa(indev) { 3788 switch (event) { 3789 case NETDEV_UP: 3790 qlcnic_config_ipaddr(adapter, 3791 ifa->ifa_address, QLCNIC_IP_UP); 3792 break; 3793 case NETDEV_DOWN: 3794 qlcnic_config_ipaddr(adapter, 3795 ifa->ifa_address, QLCNIC_IP_DOWN); 3796 break; 3797 default: 3798 break; 3799 } 3800 } endfor_ifa(indev); 3801 3802 in_dev_put(indev); 3803 } 3804 3805 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3806 { 3807 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3808 struct net_device *dev; 3809 u16 vid; 3810 3811 qlcnic_config_indev_addr(adapter, netdev, event); 3812 3813 rcu_read_lock(); 3814 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3815 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3816 if (!dev) 3817 continue; 3818 qlcnic_config_indev_addr(adapter, dev, event); 3819 } 3820 rcu_read_unlock(); 3821 } 3822 3823 static int qlcnic_netdev_event(struct notifier_block *this, 3824 unsigned long event, void *ptr) 3825 { 3826 struct qlcnic_adapter *adapter; 3827 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3828 3829 recheck: 3830 if (dev == NULL) 3831 goto done; 3832 3833 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3834 dev = vlan_dev_real_dev(dev); 3835 goto recheck; 3836 } 3837 3838 if (!is_qlcnic_netdev(dev)) 3839 goto done; 3840 3841 adapter = netdev_priv(dev); 3842 3843 if (!adapter) 3844 goto done; 3845 3846 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3847 goto done; 3848 3849 qlcnic_config_indev_addr(adapter, dev, event); 3850 done: 3851 return NOTIFY_DONE; 3852 } 3853 3854 static int 3855 qlcnic_inetaddr_event(struct notifier_block *this, 3856 unsigned long event, void *ptr) 3857 { 3858 struct qlcnic_adapter *adapter; 3859 struct net_device *dev; 3860 3861 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3862 3863 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3864 3865 recheck: 3866 if (dev == NULL) 3867 goto done; 3868 3869 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3870 dev = vlan_dev_real_dev(dev); 3871 goto recheck; 3872 } 3873 3874 if (!is_qlcnic_netdev(dev)) 3875 goto done; 3876 3877 adapter = netdev_priv(dev); 3878 3879 if (!adapter) 3880 goto done; 3881 3882 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3883 goto done; 3884 3885 switch (event) { 3886 case NETDEV_UP: 3887 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3888 3889 break; 3890 case NETDEV_DOWN: 3891 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3892 3893 break; 3894 default: 3895 break; 3896 } 3897 3898 done: 3899 return NOTIFY_DONE; 3900 } 3901 3902 static struct notifier_block qlcnic_netdev_cb = { 3903 .notifier_call = qlcnic_netdev_event, 3904 }; 3905 3906 static struct notifier_block qlcnic_inetaddr_cb = { 3907 .notifier_call = qlcnic_inetaddr_event, 3908 }; 3909 #else 3910 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3911 { } 3912 #endif 3913 static const struct pci_error_handlers qlcnic_err_handler = { 3914 .error_detected = qlcnic_io_error_detected, 3915 .slot_reset = qlcnic_io_slot_reset, 3916 .resume = qlcnic_io_resume, 3917 }; 3918 3919 static struct pci_driver qlcnic_driver = { 3920 .name = qlcnic_driver_name, 3921 .id_table = qlcnic_pci_tbl, 3922 .probe = qlcnic_probe, 3923 .remove = qlcnic_remove, 3924 #ifdef CONFIG_PM 3925 .suspend = qlcnic_suspend, 3926 .resume = qlcnic_resume, 3927 #endif 3928 .shutdown = qlcnic_shutdown, 3929 .err_handler = &qlcnic_err_handler, 3930 #ifdef CONFIG_QLCNIC_SRIOV 3931 .sriov_configure = qlcnic_pci_sriov_configure, 3932 #endif 3933 3934 }; 3935 3936 static int __init qlcnic_init_module(void) 3937 { 3938 int ret; 3939 3940 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3941 3942 #ifdef CONFIG_INET 3943 register_netdevice_notifier(&qlcnic_netdev_cb); 3944 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3945 #endif 3946 3947 ret = pci_register_driver(&qlcnic_driver); 3948 if (ret) { 3949 #ifdef CONFIG_INET 3950 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3951 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3952 #endif 3953 } 3954 3955 return ret; 3956 } 3957 3958 module_init(qlcnic_init_module); 3959 3960 static void __exit qlcnic_exit_module(void) 3961 { 3962 pci_unregister_driver(&qlcnic_driver); 3963 3964 #ifdef CONFIG_INET 3965 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3966 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3967 #endif 3968 } 3969 3970 module_exit(qlcnic_exit_module); 3971