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 if (!adapter->fw_work.work.func) 435 return; 436 437 cancel_delayed_work_sync(&adapter->fw_work); 438 } 439 440 static int qlcnic_get_phys_port_id(struct net_device *netdev, 441 struct netdev_phys_port_id *ppid) 442 { 443 struct qlcnic_adapter *adapter = netdev_priv(netdev); 444 struct qlcnic_hardware_context *ahw = adapter->ahw; 445 446 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 447 return -EOPNOTSUPP; 448 449 ppid->id_len = sizeof(ahw->phys_port_id); 450 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 451 452 return 0; 453 } 454 455 static const struct net_device_ops qlcnic_netdev_ops = { 456 .ndo_open = qlcnic_open, 457 .ndo_stop = qlcnic_close, 458 .ndo_start_xmit = qlcnic_xmit_frame, 459 .ndo_get_stats = qlcnic_get_stats, 460 .ndo_validate_addr = eth_validate_addr, 461 .ndo_set_rx_mode = qlcnic_set_multi, 462 .ndo_set_mac_address = qlcnic_set_mac, 463 .ndo_change_mtu = qlcnic_change_mtu, 464 .ndo_fix_features = qlcnic_fix_features, 465 .ndo_set_features = qlcnic_set_features, 466 .ndo_tx_timeout = qlcnic_tx_timeout, 467 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 468 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 469 .ndo_fdb_add = qlcnic_fdb_add, 470 .ndo_fdb_del = qlcnic_fdb_del, 471 .ndo_fdb_dump = qlcnic_fdb_dump, 472 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 473 #ifdef CONFIG_NET_POLL_CONTROLLER 474 .ndo_poll_controller = qlcnic_poll_controller, 475 #endif 476 #ifdef CONFIG_QLCNIC_SRIOV 477 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 478 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 479 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 480 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 481 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 482 #endif 483 }; 484 485 static const struct net_device_ops qlcnic_netdev_failed_ops = { 486 .ndo_open = qlcnic_open, 487 }; 488 489 static struct qlcnic_nic_template qlcnic_ops = { 490 .config_bridged_mode = qlcnic_config_bridged_mode, 491 .config_led = qlcnic_82xx_config_led, 492 .start_firmware = qlcnic_82xx_start_firmware, 493 .request_reset = qlcnic_82xx_dev_request_reset, 494 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 495 .napi_add = qlcnic_82xx_napi_add, 496 .napi_del = qlcnic_82xx_napi_del, 497 .config_ipaddr = qlcnic_82xx_config_ipaddr, 498 .shutdown = qlcnic_82xx_shutdown, 499 .resume = qlcnic_82xx_resume, 500 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 501 }; 502 503 struct qlcnic_nic_template qlcnic_vf_ops = { 504 .config_bridged_mode = qlcnicvf_config_bridged_mode, 505 .config_led = qlcnicvf_config_led, 506 .start_firmware = qlcnicvf_start_firmware 507 }; 508 509 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 510 .read_crb = qlcnic_82xx_read_crb, 511 .write_crb = qlcnic_82xx_write_crb, 512 .read_reg = qlcnic_82xx_hw_read_wx_2M, 513 .write_reg = qlcnic_82xx_hw_write_wx_2M, 514 .get_mac_address = qlcnic_82xx_get_mac_address, 515 .setup_intr = qlcnic_82xx_setup_intr, 516 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 517 .mbx_cmd = qlcnic_82xx_issue_cmd, 518 .get_func_no = qlcnic_82xx_get_func_no, 519 .api_lock = qlcnic_82xx_api_lock, 520 .api_unlock = qlcnic_82xx_api_unlock, 521 .add_sysfs = qlcnic_82xx_add_sysfs, 522 .remove_sysfs = qlcnic_82xx_remove_sysfs, 523 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 524 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 525 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 526 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 527 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 528 .setup_link_event = qlcnic_82xx_linkevent_request, 529 .get_nic_info = qlcnic_82xx_get_nic_info, 530 .get_pci_info = qlcnic_82xx_get_pci_info, 531 .set_nic_info = qlcnic_82xx_set_nic_info, 532 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 533 .napi_enable = qlcnic_82xx_napi_enable, 534 .napi_disable = qlcnic_82xx_napi_disable, 535 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 536 .config_rss = qlcnic_82xx_config_rss, 537 .config_hw_lro = qlcnic_82xx_config_hw_lro, 538 .config_loopback = qlcnic_82xx_set_lb_mode, 539 .clear_loopback = qlcnic_82xx_clear_lb_mode, 540 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 541 .change_l2_filter = qlcnic_82xx_change_filter, 542 .get_board_info = qlcnic_82xx_get_board_info, 543 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 544 .free_mac_list = qlcnic_82xx_free_mac_list, 545 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 546 .io_error_detected = qlcnic_82xx_io_error_detected, 547 .io_slot_reset = qlcnic_82xx_io_slot_reset, 548 .io_resume = qlcnic_82xx_io_resume, 549 }; 550 551 static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter) 552 { 553 struct qlcnic_hardware_context *ahw = adapter->ahw; 554 int num_tx_q; 555 556 if (ahw->msix_supported && 557 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 558 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS, 559 num_online_cpus()); 560 if (num_tx_q > 1) { 561 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, 562 &adapter->state); 563 adapter->max_drv_tx_rings = num_tx_q; 564 } 565 } else { 566 adapter->max_drv_tx_rings = 1; 567 } 568 } 569 570 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 571 { 572 struct pci_dev *pdev = adapter->pdev; 573 int max_tx_rings, max_sds_rings, tx_vector; 574 int err = -1, i; 575 576 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 577 max_tx_rings = 0; 578 tx_vector = 0; 579 } else { 580 max_tx_rings = adapter->max_drv_tx_rings; 581 tx_vector = 1; 582 } 583 584 if (!adapter->msix_entries) { 585 adapter->msix_entries = kcalloc(num_msix, 586 sizeof(struct msix_entry), 587 GFP_KERNEL); 588 if (!adapter->msix_entries) 589 return -ENOMEM; 590 } 591 592 adapter->max_sds_rings = 1; 593 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 594 595 if (adapter->ahw->msix_supported) { 596 enable_msix: 597 for (i = 0; i < num_msix; i++) 598 adapter->msix_entries[i].entry = i; 599 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 600 if (err == 0) { 601 adapter->flags |= QLCNIC_MSIX_ENABLED; 602 if (qlcnic_83xx_check(adapter)) { 603 adapter->ahw->num_msix = num_msix; 604 /* subtract mail box and tx ring vectors */ 605 adapter->max_sds_rings = num_msix - 606 max_tx_rings - 1; 607 } else { 608 adapter->ahw->num_msix = num_msix; 609 if (qlcnic_check_multi_tx(adapter) && 610 !adapter->ahw->diag_test && 611 (adapter->max_drv_tx_rings > 1)) 612 max_sds_rings = num_msix - max_tx_rings; 613 else 614 max_sds_rings = num_msix; 615 616 adapter->max_sds_rings = max_sds_rings; 617 } 618 dev_info(&pdev->dev, "using msi-x interrupts\n"); 619 return err; 620 } else if (err > 0) { 621 dev_info(&pdev->dev, 622 "Unable to allocate %d MSI-X interrupt vectors\n", 623 num_msix); 624 if (qlcnic_83xx_check(adapter)) { 625 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 626 return err; 627 err -= (max_tx_rings + 1); 628 num_msix = rounddown_pow_of_two(err); 629 num_msix += (max_tx_rings + 1); 630 } else { 631 num_msix = rounddown_pow_of_two(err); 632 if (qlcnic_check_multi_tx(adapter)) 633 num_msix += max_tx_rings; 634 } 635 636 if (num_msix) { 637 dev_info(&pdev->dev, 638 "Trying to allocate %d MSI-X interrupt vectors\n", 639 num_msix); 640 goto enable_msix; 641 } 642 } else { 643 dev_info(&pdev->dev, 644 "Unable to allocate %d MSI-X interrupt vectors\n", 645 num_msix); 646 } 647 } 648 649 return err; 650 } 651 652 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 653 { 654 int err = 0; 655 u32 offset, mask_reg; 656 const struct qlcnic_legacy_intr_set *legacy_intrp; 657 struct qlcnic_hardware_context *ahw = adapter->ahw; 658 struct pci_dev *pdev = adapter->pdev; 659 660 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 661 adapter->flags |= QLCNIC_MSI_ENABLED; 662 offset = msi_tgt_status[adapter->ahw->pci_func]; 663 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 664 offset); 665 dev_info(&pdev->dev, "using msi interrupts\n"); 666 adapter->msix_entries[0].vector = pdev->irq; 667 return err; 668 } 669 670 if (qlcnic_use_msi || qlcnic_use_msi_x) 671 return -EOPNOTSUPP; 672 673 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 674 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 675 offset = legacy_intrp->tgt_status_reg; 676 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 677 mask_reg = legacy_intrp->tgt_mask_reg; 678 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 679 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 680 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 681 dev_info(&pdev->dev, "using legacy interrupts\n"); 682 adapter->msix_entries[0].vector = pdev->irq; 683 return err; 684 } 685 686 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq) 687 { 688 struct qlcnic_hardware_context *ahw = adapter->ahw; 689 int num_msix, err = 0; 690 691 if (!num_intr) 692 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 693 694 if (ahw->msix_supported) { 695 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 696 num_intr)); 697 if (qlcnic_check_multi_tx(adapter)) { 698 if (txq) 699 adapter->max_drv_tx_rings = txq; 700 num_msix += adapter->max_drv_tx_rings; 701 } 702 } else { 703 num_msix = 1; 704 } 705 706 err = qlcnic_enable_msix(adapter, num_msix); 707 if (err == -ENOMEM) 708 return err; 709 710 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 711 qlcnic_disable_multi_tx(adapter); 712 713 err = qlcnic_enable_msi_legacy(adapter); 714 if (!err) 715 return err; 716 } 717 718 return 0; 719 } 720 721 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 722 { 723 struct qlcnic_hardware_context *ahw = adapter->ahw; 724 int err, i; 725 726 if (qlcnic_check_multi_tx(adapter) && 727 !ahw->diag_test && 728 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 729 ahw->intr_tbl = vzalloc(ahw->num_msix * 730 sizeof(struct qlcnic_intrpt_config)); 731 if (!ahw->intr_tbl) 732 return -ENOMEM; 733 734 for (i = 0; i < ahw->num_msix; i++) { 735 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 736 ahw->intr_tbl[i].id = i; 737 ahw->intr_tbl[i].src = 0; 738 } 739 740 err = qlcnic_82xx_config_intrpt(adapter, 1); 741 if (err) 742 dev_err(&adapter->pdev->dev, 743 "Failed to configure Interrupt for %d vector\n", 744 ahw->num_msix); 745 return err; 746 } 747 748 return 0; 749 } 750 751 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 752 { 753 if (adapter->flags & QLCNIC_MSIX_ENABLED) 754 pci_disable_msix(adapter->pdev); 755 if (adapter->flags & QLCNIC_MSI_ENABLED) 756 pci_disable_msi(adapter->pdev); 757 758 kfree(adapter->msix_entries); 759 adapter->msix_entries = NULL; 760 761 if (adapter->ahw->intr_tbl) { 762 vfree(adapter->ahw->intr_tbl); 763 adapter->ahw->intr_tbl = NULL; 764 } 765 } 766 767 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 768 { 769 if (ahw->pci_base0 != NULL) 770 iounmap(ahw->pci_base0); 771 } 772 773 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 774 { 775 struct qlcnic_pci_info *pci_info; 776 int ret; 777 778 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 779 switch (adapter->ahw->port_type) { 780 case QLCNIC_GBE: 781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 782 break; 783 case QLCNIC_XGBE: 784 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 785 break; 786 } 787 return 0; 788 } 789 790 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 791 return 0; 792 793 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 794 if (!pci_info) 795 return -ENOMEM; 796 797 ret = qlcnic_get_pci_info(adapter, pci_info); 798 kfree(pci_info); 799 return ret; 800 } 801 802 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 803 { 804 bool ret = false; 805 806 if (qlcnic_84xx_check(adapter)) { 807 ret = true; 808 } else if (qlcnic_83xx_check(adapter)) { 809 if (adapter->ahw->extra_capability[0] & 810 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 811 ret = true; 812 else 813 ret = false; 814 } 815 816 return ret; 817 } 818 819 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 820 { 821 struct qlcnic_pci_info *pci_info; 822 int i, ret = 0, j = 0; 823 u16 act_pci_func; 824 u8 pfn; 825 826 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 827 if (!pci_info) 828 return -ENOMEM; 829 830 ret = qlcnic_get_pci_info(adapter, pci_info); 831 if (ret) 832 goto err_pci_info; 833 834 act_pci_func = adapter->ahw->act_pci_func; 835 836 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 837 act_pci_func, GFP_KERNEL); 838 if (!adapter->npars) { 839 ret = -ENOMEM; 840 goto err_pci_info; 841 } 842 843 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 844 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 845 if (!adapter->eswitch) { 846 ret = -ENOMEM; 847 goto err_npars; 848 } 849 850 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 851 pfn = pci_info[i].id; 852 853 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 854 ret = QL_STATUS_INVALID_PARAM; 855 goto err_eswitch; 856 } 857 858 if (!pci_info[i].active || 859 (pci_info[i].type != QLCNIC_TYPE_NIC)) 860 continue; 861 862 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 863 if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn)) 864 adapter->npars[j].eswitch_status = true; 865 else 866 continue; 867 } else { 868 adapter->npars[j].eswitch_status = true; 869 } 870 871 adapter->npars[j].pci_func = pfn; 872 adapter->npars[j].active = (u8)pci_info[i].active; 873 adapter->npars[j].type = (u8)pci_info[i].type; 874 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 875 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 876 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 877 878 j++; 879 } 880 881 if (qlcnic_82xx_check(adapter)) { 882 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 883 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 884 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 885 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 886 qlcnic_enable_eswitch(adapter, i, 1); 887 } 888 889 kfree(pci_info); 890 return 0; 891 892 err_eswitch: 893 kfree(adapter->eswitch); 894 adapter->eswitch = NULL; 895 err_npars: 896 kfree(adapter->npars); 897 adapter->npars = NULL; 898 err_pci_info: 899 kfree(pci_info); 900 901 return ret; 902 } 903 904 static int 905 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 906 { 907 u8 id; 908 int ret; 909 u32 data = QLCNIC_MGMT_FUNC; 910 struct qlcnic_hardware_context *ahw = adapter->ahw; 911 912 ret = qlcnic_api_lock(adapter); 913 if (ret) 914 goto err_lock; 915 916 id = ahw->pci_func; 917 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 918 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 919 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 920 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 921 qlcnic_api_unlock(adapter); 922 err_lock: 923 return ret; 924 } 925 926 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 927 const struct pci_device_id *ent) 928 { 929 u32 op_mode, priv_level; 930 931 /* Determine FW API version */ 932 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 933 QLCNIC_FW_API); 934 935 /* Find PCI function number */ 936 qlcnic_get_func_no(adapter); 937 938 /* Determine function privilege level */ 939 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 940 if (op_mode == QLC_DEV_DRV_DEFAULT) 941 priv_level = QLCNIC_MGMT_FUNC; 942 else 943 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 944 945 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 946 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 947 dev_info(&adapter->pdev->dev, 948 "HAL Version: %d Non Privileged function\n", 949 adapter->ahw->fw_hal_version); 950 adapter->nic_ops = &qlcnic_vf_ops; 951 } else 952 adapter->nic_ops = &qlcnic_ops; 953 } 954 955 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 956 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 957 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 958 { 959 switch (dev_id) { 960 case PCI_DEVICE_ID_QLOGIC_QLE824X: 961 *bar = QLCNIC_82XX_BAR0_LENGTH; 962 break; 963 case PCI_DEVICE_ID_QLOGIC_QLE834X: 964 case PCI_DEVICE_ID_QLOGIC_QLE844X: 965 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 966 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 967 *bar = QLCNIC_83XX_BAR0_LENGTH; 968 break; 969 default: 970 *bar = 0; 971 } 972 } 973 974 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 975 struct qlcnic_hardware_context *ahw) 976 { 977 u32 offset; 978 void __iomem *mem_ptr0 = NULL; 979 unsigned long mem_len, pci_len0 = 0, bar0_len; 980 981 /* remap phys address */ 982 mem_len = pci_resource_len(pdev, 0); 983 984 qlcnic_get_bar_length(pdev->device, &bar0_len); 985 if (mem_len >= bar0_len) { 986 987 mem_ptr0 = pci_ioremap_bar(pdev, 0); 988 if (mem_ptr0 == NULL) { 989 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 990 return -EIO; 991 } 992 pci_len0 = mem_len; 993 } else { 994 return -EIO; 995 } 996 997 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 998 999 ahw->pci_base0 = mem_ptr0; 1000 ahw->pci_len0 = pci_len0; 1001 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1002 qlcnic_get_ioaddr(ahw, offset); 1003 1004 return 0; 1005 } 1006 1007 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1008 int index) 1009 { 1010 struct pci_dev *pdev = adapter->pdev; 1011 unsigned short subsystem_vendor; 1012 bool ret = true; 1013 1014 subsystem_vendor = pdev->subsystem_vendor; 1015 1016 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1017 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1018 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1019 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1020 ret = true; 1021 else 1022 ret = false; 1023 } 1024 1025 return ret; 1026 } 1027 1028 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1029 { 1030 struct pci_dev *pdev = adapter->pdev; 1031 int i, found = 0; 1032 1033 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1034 if (qlcnic_boards[i].vendor == pdev->vendor && 1035 qlcnic_boards[i].device == pdev->device && 1036 qlcnic_validate_subsystem_id(adapter, i)) { 1037 found = 1; 1038 break; 1039 } 1040 } 1041 1042 if (!found) 1043 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1044 else 1045 sprintf(name, "%pM: %s" , adapter->mac_addr, 1046 qlcnic_boards[i].short_name); 1047 } 1048 1049 static void 1050 qlcnic_check_options(struct qlcnic_adapter *adapter) 1051 { 1052 int err; 1053 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1054 struct pci_dev *pdev = adapter->pdev; 1055 struct qlcnic_hardware_context *ahw = adapter->ahw; 1056 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1057 1058 prev_fw_version = adapter->fw_version; 1059 1060 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1061 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1062 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1063 1064 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1065 1066 err = qlcnic_get_board_info(adapter); 1067 if (err) { 1068 dev_err(&pdev->dev, "Error getting board config info.\n"); 1069 return; 1070 } 1071 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1072 if (fw_dump->tmpl_hdr == NULL || 1073 adapter->fw_version > prev_fw_version) { 1074 if (fw_dump->tmpl_hdr) 1075 vfree(fw_dump->tmpl_hdr); 1076 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1077 dev_info(&pdev->dev, 1078 "Supports FW dump capability\n"); 1079 } 1080 } 1081 1082 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1083 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1084 1085 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1086 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1087 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1088 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1089 } else { 1090 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1091 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1092 } 1093 1094 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1095 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1096 1097 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1098 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1099 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1100 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1101 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1102 } 1103 1104 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1105 1106 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1107 1108 adapter->max_rds_rings = MAX_RDS_RINGS; 1109 } 1110 1111 static int 1112 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1113 { 1114 struct qlcnic_info nic_info; 1115 int err = 0; 1116 1117 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1118 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1119 if (err) 1120 return err; 1121 1122 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1123 adapter->ahw->switch_mode = nic_info.switch_mode; 1124 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1125 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1126 adapter->ahw->capabilities = nic_info.capabilities; 1127 1128 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1129 u32 temp; 1130 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1131 if (err == -EIO) 1132 return err; 1133 adapter->ahw->extra_capability[0] = temp; 1134 } 1135 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1136 adapter->ahw->max_mtu = nic_info.max_mtu; 1137 1138 /* Disable NPAR for 83XX */ 1139 if (qlcnic_83xx_check(adapter)) 1140 return err; 1141 1142 if (adapter->ahw->capabilities & BIT_6) 1143 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1144 else 1145 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1146 1147 return err; 1148 } 1149 1150 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1151 struct qlcnic_esw_func_cfg *esw_cfg) 1152 { 1153 if (esw_cfg->discard_tagged) 1154 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1155 else 1156 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1157 1158 if (esw_cfg->vlan_id) { 1159 adapter->rx_pvid = esw_cfg->vlan_id; 1160 adapter->tx_pvid = esw_cfg->vlan_id; 1161 } else { 1162 adapter->rx_pvid = 0; 1163 adapter->tx_pvid = 0; 1164 } 1165 } 1166 1167 static int 1168 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1169 { 1170 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1171 int err; 1172 1173 if (qlcnic_sriov_vf_check(adapter)) { 1174 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1175 if (err) { 1176 netdev_err(netdev, 1177 "Cannot add VLAN filter for VLAN id %d, err=%d", 1178 vid, err); 1179 return err; 1180 } 1181 } 1182 1183 set_bit(vid, adapter->vlans); 1184 return 0; 1185 } 1186 1187 static int 1188 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1189 { 1190 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1191 int err; 1192 1193 if (qlcnic_sriov_vf_check(adapter)) { 1194 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1195 if (err) { 1196 netdev_err(netdev, 1197 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1198 vid, err); 1199 return err; 1200 } 1201 } 1202 1203 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1204 clear_bit(vid, adapter->vlans); 1205 return 0; 1206 } 1207 1208 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1209 struct qlcnic_esw_func_cfg *esw_cfg) 1210 { 1211 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1212 QLCNIC_PROMISC_DISABLED); 1213 1214 if (esw_cfg->mac_anti_spoof) 1215 adapter->flags |= QLCNIC_MACSPOOF; 1216 1217 if (!esw_cfg->mac_override) 1218 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1219 1220 if (!esw_cfg->promisc_mode) 1221 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1222 } 1223 1224 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1225 { 1226 struct qlcnic_esw_func_cfg esw_cfg; 1227 1228 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1229 return 0; 1230 1231 esw_cfg.pci_func = adapter->ahw->pci_func; 1232 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1233 return -EIO; 1234 qlcnic_set_vlan_config(adapter, &esw_cfg); 1235 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1236 qlcnic_set_netdev_features(adapter, &esw_cfg); 1237 1238 return 0; 1239 } 1240 1241 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1242 struct qlcnic_esw_func_cfg *esw_cfg) 1243 { 1244 struct net_device *netdev = adapter->netdev; 1245 1246 if (qlcnic_83xx_check(adapter)) 1247 return; 1248 1249 adapter->offload_flags = esw_cfg->offload_flags; 1250 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1251 netdev_update_features(netdev); 1252 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1253 } 1254 1255 static int 1256 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1257 { 1258 u32 op_mode, priv_level; 1259 int err = 0; 1260 1261 err = qlcnic_initialize_nic(adapter); 1262 if (err) 1263 return err; 1264 1265 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1266 return 0; 1267 1268 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1269 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1270 1271 if (op_mode == QLC_DEV_DRV_DEFAULT) 1272 priv_level = QLCNIC_MGMT_FUNC; 1273 else 1274 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1275 1276 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1277 if (priv_level == QLCNIC_MGMT_FUNC) { 1278 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1279 err = qlcnic_init_pci_info(adapter); 1280 if (err) 1281 return err; 1282 /* Set privilege level for other functions */ 1283 qlcnic_set_function_modes(adapter); 1284 dev_info(&adapter->pdev->dev, 1285 "HAL Version: %d, Management function\n", 1286 adapter->ahw->fw_hal_version); 1287 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1288 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1289 dev_info(&adapter->pdev->dev, 1290 "HAL Version: %d, Privileged function\n", 1291 adapter->ahw->fw_hal_version); 1292 } 1293 } 1294 1295 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1296 1297 return err; 1298 } 1299 1300 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1301 { 1302 struct qlcnic_esw_func_cfg esw_cfg; 1303 struct qlcnic_npar_info *npar; 1304 u8 i; 1305 1306 if (adapter->need_fw_reset) 1307 return 0; 1308 1309 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1310 if (!adapter->npars[i].eswitch_status) 1311 continue; 1312 1313 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1314 esw_cfg.pci_func = adapter->npars[i].pci_func; 1315 esw_cfg.mac_override = BIT_0; 1316 esw_cfg.promisc_mode = BIT_0; 1317 if (qlcnic_82xx_check(adapter)) { 1318 esw_cfg.offload_flags = BIT_0; 1319 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1320 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1321 } 1322 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1323 return -EIO; 1324 npar = &adapter->npars[i]; 1325 npar->pvid = esw_cfg.vlan_id; 1326 npar->mac_override = esw_cfg.mac_override; 1327 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1328 npar->discard_tagged = esw_cfg.discard_tagged; 1329 npar->promisc_mode = esw_cfg.promisc_mode; 1330 npar->offload_flags = esw_cfg.offload_flags; 1331 } 1332 1333 return 0; 1334 } 1335 1336 1337 static int 1338 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1339 struct qlcnic_npar_info *npar, int pci_func) 1340 { 1341 struct qlcnic_esw_func_cfg esw_cfg; 1342 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1343 esw_cfg.pci_func = pci_func; 1344 esw_cfg.vlan_id = npar->pvid; 1345 esw_cfg.mac_override = npar->mac_override; 1346 esw_cfg.discard_tagged = npar->discard_tagged; 1347 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1348 esw_cfg.offload_flags = npar->offload_flags; 1349 esw_cfg.promisc_mode = npar->promisc_mode; 1350 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1351 return -EIO; 1352 1353 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1354 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1355 return -EIO; 1356 1357 return 0; 1358 } 1359 1360 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1361 { 1362 int i, err; 1363 struct qlcnic_npar_info *npar; 1364 struct qlcnic_info nic_info; 1365 u8 pci_func; 1366 1367 if (qlcnic_82xx_check(adapter)) 1368 if (!adapter->need_fw_reset) 1369 return 0; 1370 1371 /* Set the NPAR config data after FW reset */ 1372 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1373 npar = &adapter->npars[i]; 1374 pci_func = npar->pci_func; 1375 if (!adapter->npars[i].eswitch_status) 1376 continue; 1377 1378 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1379 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1380 if (err) 1381 return err; 1382 nic_info.min_tx_bw = npar->min_bw; 1383 nic_info.max_tx_bw = npar->max_bw; 1384 err = qlcnic_set_nic_info(adapter, &nic_info); 1385 if (err) 1386 return err; 1387 1388 if (npar->enable_pm) { 1389 err = qlcnic_config_port_mirroring(adapter, 1390 npar->dest_npar, 1, 1391 pci_func); 1392 if (err) 1393 return err; 1394 } 1395 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1396 if (err) 1397 return err; 1398 } 1399 return 0; 1400 } 1401 1402 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1403 { 1404 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1405 u32 npar_state; 1406 1407 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1408 return 0; 1409 1410 npar_state = QLC_SHARED_REG_RD32(adapter, 1411 QLCNIC_CRB_DEV_NPAR_STATE); 1412 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1413 msleep(1000); 1414 npar_state = QLC_SHARED_REG_RD32(adapter, 1415 QLCNIC_CRB_DEV_NPAR_STATE); 1416 } 1417 if (!npar_opt_timeo) { 1418 dev_err(&adapter->pdev->dev, 1419 "Waiting for NPAR state to operational timeout\n"); 1420 return -EIO; 1421 } 1422 return 0; 1423 } 1424 1425 static int 1426 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1427 { 1428 int err; 1429 1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1431 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1432 return 0; 1433 1434 err = qlcnic_set_default_offload_settings(adapter); 1435 if (err) 1436 return err; 1437 1438 err = qlcnic_reset_npar_config(adapter); 1439 if (err) 1440 return err; 1441 1442 qlcnic_dev_set_npar_ready(adapter); 1443 1444 return err; 1445 } 1446 1447 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1448 { 1449 int err; 1450 1451 err = qlcnic_can_start_firmware(adapter); 1452 if (err < 0) 1453 return err; 1454 else if (!err) 1455 goto check_fw_status; 1456 1457 if (qlcnic_load_fw_file) 1458 qlcnic_request_firmware(adapter); 1459 else { 1460 err = qlcnic_check_flash_fw_ver(adapter); 1461 if (err) 1462 goto err_out; 1463 1464 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1465 } 1466 1467 err = qlcnic_need_fw_reset(adapter); 1468 if (err == 0) 1469 goto check_fw_status; 1470 1471 err = qlcnic_pinit_from_rom(adapter); 1472 if (err) 1473 goto err_out; 1474 1475 err = qlcnic_load_firmware(adapter); 1476 if (err) 1477 goto err_out; 1478 1479 qlcnic_release_firmware(adapter); 1480 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1481 1482 check_fw_status: 1483 err = qlcnic_check_fw_status(adapter); 1484 if (err) 1485 goto err_out; 1486 1487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1488 qlcnic_idc_debug_info(adapter, 1); 1489 err = qlcnic_check_eswitch_mode(adapter); 1490 if (err) { 1491 dev_err(&adapter->pdev->dev, 1492 "Memory allocation failed for eswitch\n"); 1493 goto err_out; 1494 } 1495 err = qlcnic_set_mgmt_operations(adapter); 1496 if (err) 1497 goto err_out; 1498 1499 qlcnic_check_options(adapter); 1500 adapter->need_fw_reset = 0; 1501 1502 qlcnic_release_firmware(adapter); 1503 return 0; 1504 1505 err_out: 1506 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1507 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1508 1509 qlcnic_release_firmware(adapter); 1510 return err; 1511 } 1512 1513 static int 1514 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1515 { 1516 irq_handler_t handler; 1517 struct qlcnic_host_sds_ring *sds_ring; 1518 struct qlcnic_host_tx_ring *tx_ring; 1519 int err, ring, num_sds_rings; 1520 1521 unsigned long flags = 0; 1522 struct net_device *netdev = adapter->netdev; 1523 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1524 1525 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1526 if (qlcnic_82xx_check(adapter)) 1527 handler = qlcnic_tmp_intr; 1528 else 1529 handler = qlcnic_83xx_tmp_intr; 1530 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1531 flags |= IRQF_SHARED; 1532 1533 } else { 1534 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1535 handler = qlcnic_msix_intr; 1536 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1537 handler = qlcnic_msi_intr; 1538 else { 1539 flags |= IRQF_SHARED; 1540 if (qlcnic_82xx_check(adapter)) 1541 handler = qlcnic_intr; 1542 else 1543 handler = qlcnic_83xx_intr; 1544 } 1545 } 1546 adapter->irq = netdev->irq; 1547 1548 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1549 if (qlcnic_82xx_check(adapter) || 1550 (qlcnic_83xx_check(adapter) && 1551 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1552 num_sds_rings = adapter->max_sds_rings; 1553 for (ring = 0; ring < num_sds_rings; ring++) { 1554 sds_ring = &recv_ctx->sds_rings[ring]; 1555 if (qlcnic_82xx_check(adapter) && 1556 !qlcnic_check_multi_tx(adapter) && 1557 (ring == (num_sds_rings - 1))) { 1558 if (!(adapter->flags & 1559 QLCNIC_MSIX_ENABLED)) 1560 snprintf(sds_ring->name, 1561 sizeof(sds_ring->name), 1562 "qlcnic"); 1563 else 1564 snprintf(sds_ring->name, 1565 sizeof(sds_ring->name), 1566 "%s-tx-0-rx-%d", 1567 netdev->name, ring); 1568 } else { 1569 snprintf(sds_ring->name, 1570 sizeof(sds_ring->name), 1571 "%s-rx-%d", 1572 netdev->name, ring); 1573 } 1574 err = request_irq(sds_ring->irq, handler, flags, 1575 sds_ring->name, sds_ring); 1576 if (err) 1577 return err; 1578 } 1579 } 1580 if ((qlcnic_82xx_check(adapter) && 1581 qlcnic_check_multi_tx(adapter)) || 1582 (qlcnic_83xx_check(adapter) && 1583 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1584 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1585 handler = qlcnic_msix_tx_intr; 1586 for (ring = 0; ring < adapter->max_drv_tx_rings; 1587 ring++) { 1588 tx_ring = &adapter->tx_ring[ring]; 1589 snprintf(tx_ring->name, sizeof(tx_ring->name), 1590 "%s-tx-%d", netdev->name, ring); 1591 err = request_irq(tx_ring->irq, handler, flags, 1592 tx_ring->name, tx_ring); 1593 if (err) 1594 return err; 1595 } 1596 } 1597 } 1598 return 0; 1599 } 1600 1601 static void 1602 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1603 { 1604 int ring; 1605 struct qlcnic_host_sds_ring *sds_ring; 1606 struct qlcnic_host_tx_ring *tx_ring; 1607 1608 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1609 1610 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1611 if (qlcnic_82xx_check(adapter) || 1612 (qlcnic_83xx_check(adapter) && 1613 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1614 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1615 sds_ring = &recv_ctx->sds_rings[ring]; 1616 free_irq(sds_ring->irq, sds_ring); 1617 } 1618 } 1619 if ((qlcnic_83xx_check(adapter) && 1620 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1621 (qlcnic_82xx_check(adapter) && 1622 qlcnic_check_multi_tx(adapter))) { 1623 for (ring = 0; ring < adapter->max_drv_tx_rings; 1624 ring++) { 1625 tx_ring = &adapter->tx_ring[ring]; 1626 if (tx_ring->irq) 1627 free_irq(tx_ring->irq, tx_ring); 1628 } 1629 } 1630 } 1631 } 1632 1633 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1634 { 1635 u32 capab = 0; 1636 1637 if (qlcnic_82xx_check(adapter)) { 1638 if (adapter->ahw->extra_capability[0] & 1639 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1640 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1641 } else { 1642 capab = adapter->ahw->capabilities; 1643 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1644 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1645 } 1646 } 1647 1648 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1649 { 1650 int ring; 1651 struct qlcnic_host_rds_ring *rds_ring; 1652 1653 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1654 return -EIO; 1655 1656 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1657 return 0; 1658 1659 if (qlcnic_set_eswitch_port_config(adapter)) 1660 return -EIO; 1661 1662 qlcnic_get_lro_mss_capability(adapter); 1663 1664 if (qlcnic_fw_create_ctx(adapter)) 1665 return -EIO; 1666 1667 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1668 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1669 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1670 } 1671 1672 qlcnic_set_multi(netdev); 1673 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1674 1675 adapter->ahw->linkup = 0; 1676 1677 if (adapter->max_sds_rings > 1) 1678 qlcnic_config_rss(adapter, 1); 1679 1680 qlcnic_config_intr_coalesce(adapter); 1681 1682 if (netdev->features & NETIF_F_LRO) 1683 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1684 1685 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1686 qlcnic_napi_enable(adapter); 1687 1688 qlcnic_linkevent_request(adapter, 1); 1689 1690 adapter->ahw->reset_context = 0; 1691 return 0; 1692 } 1693 1694 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1695 { 1696 int err = 0; 1697 1698 rtnl_lock(); 1699 if (netif_running(netdev)) 1700 err = __qlcnic_up(adapter, netdev); 1701 rtnl_unlock(); 1702 1703 return err; 1704 } 1705 1706 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1707 { 1708 int ring; 1709 1710 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1711 return; 1712 1713 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1714 return; 1715 1716 if (qlcnic_sriov_vf_check(adapter)) 1717 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1718 smp_mb(); 1719 netif_carrier_off(netdev); 1720 adapter->ahw->linkup = 0; 1721 netif_tx_disable(netdev); 1722 1723 qlcnic_free_mac_list(adapter); 1724 1725 if (adapter->fhash.fnum) 1726 qlcnic_delete_lb_filters(adapter); 1727 1728 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1729 1730 qlcnic_napi_disable(adapter); 1731 1732 qlcnic_fw_destroy_ctx(adapter); 1733 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1734 1735 qlcnic_reset_rx_buffers_list(adapter); 1736 1737 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) 1738 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1739 } 1740 1741 /* Usage: During suspend and firmware recovery module */ 1742 1743 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1744 { 1745 rtnl_lock(); 1746 if (netif_running(netdev)) 1747 __qlcnic_down(adapter, netdev); 1748 rtnl_unlock(); 1749 1750 } 1751 1752 int 1753 qlcnic_attach(struct qlcnic_adapter *adapter) 1754 { 1755 struct net_device *netdev = adapter->netdev; 1756 struct pci_dev *pdev = adapter->pdev; 1757 int err; 1758 1759 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1760 return 0; 1761 1762 err = qlcnic_napi_add(adapter, netdev); 1763 if (err) 1764 return err; 1765 1766 err = qlcnic_alloc_sw_resources(adapter); 1767 if (err) { 1768 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1769 goto err_out_napi_del; 1770 } 1771 1772 err = qlcnic_alloc_hw_resources(adapter); 1773 if (err) { 1774 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1775 goto err_out_free_sw; 1776 } 1777 1778 err = qlcnic_request_irq(adapter); 1779 if (err) { 1780 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1781 goto err_out_free_hw; 1782 } 1783 1784 qlcnic_create_sysfs_entries(adapter); 1785 1786 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1787 return 0; 1788 1789 err_out_free_hw: 1790 qlcnic_free_hw_resources(adapter); 1791 err_out_free_sw: 1792 qlcnic_free_sw_resources(adapter); 1793 err_out_napi_del: 1794 qlcnic_napi_del(adapter); 1795 return err; 1796 } 1797 1798 void qlcnic_detach(struct qlcnic_adapter *adapter) 1799 { 1800 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1801 return; 1802 1803 qlcnic_remove_sysfs_entries(adapter); 1804 1805 qlcnic_free_hw_resources(adapter); 1806 qlcnic_release_rx_buffers(adapter); 1807 qlcnic_free_irq(adapter); 1808 qlcnic_napi_del(adapter); 1809 qlcnic_free_sw_resources(adapter); 1810 1811 adapter->is_up = 0; 1812 } 1813 1814 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1815 { 1816 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1817 struct qlcnic_host_sds_ring *sds_ring; 1818 int max_tx_rings = adapter->max_drv_tx_rings; 1819 int ring; 1820 1821 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1822 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1823 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1824 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1825 qlcnic_disable_int(sds_ring); 1826 } 1827 } 1828 1829 qlcnic_fw_destroy_ctx(adapter); 1830 1831 qlcnic_detach(adapter); 1832 1833 adapter->ahw->diag_test = 0; 1834 adapter->max_sds_rings = max_sds_rings; 1835 adapter->max_drv_tx_rings = max_tx_rings; 1836 1837 if (qlcnic_attach(adapter)) 1838 goto out; 1839 1840 if (netif_running(netdev)) 1841 __qlcnic_up(adapter, netdev); 1842 out: 1843 netif_device_attach(netdev); 1844 } 1845 1846 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1847 { 1848 struct qlcnic_hardware_context *ahw = adapter->ahw; 1849 int err = 0; 1850 1851 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1852 GFP_KERNEL); 1853 if (!adapter->recv_ctx) { 1854 err = -ENOMEM; 1855 goto err_out; 1856 } 1857 /* Initialize interrupt coalesce parameters */ 1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1862 if (qlcnic_83xx_check(adapter)) { 1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1865 } 1866 /* clear stats */ 1867 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1868 err_out: 1869 return err; 1870 } 1871 1872 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1873 { 1874 kfree(adapter->recv_ctx); 1875 adapter->recv_ctx = NULL; 1876 1877 if (adapter->ahw->fw_dump.tmpl_hdr) { 1878 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1879 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1880 } 1881 1882 kfree(adapter->ahw->reset.buff); 1883 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1884 } 1885 1886 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1887 { 1888 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1889 struct qlcnic_host_sds_ring *sds_ring; 1890 struct qlcnic_host_rds_ring *rds_ring; 1891 int ring; 1892 int ret; 1893 1894 netif_device_detach(netdev); 1895 1896 if (netif_running(netdev)) 1897 __qlcnic_down(adapter, netdev); 1898 1899 qlcnic_detach(adapter); 1900 1901 adapter->max_sds_rings = 1; 1902 adapter->ahw->diag_test = test; 1903 adapter->ahw->linkup = 0; 1904 adapter->max_drv_tx_rings = 1; 1905 1906 ret = qlcnic_attach(adapter); 1907 if (ret) { 1908 netif_device_attach(netdev); 1909 return ret; 1910 } 1911 1912 ret = qlcnic_fw_create_ctx(adapter); 1913 if (ret) { 1914 qlcnic_detach(adapter); 1915 netif_device_attach(netdev); 1916 return ret; 1917 } 1918 1919 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1920 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1921 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1922 } 1923 1924 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1925 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1926 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1927 qlcnic_enable_int(sds_ring); 1928 } 1929 } 1930 1931 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1932 adapter->ahw->loopback_state = 0; 1933 qlcnic_linkevent_request(adapter, 1); 1934 } 1935 1936 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1937 1938 return 0; 1939 } 1940 1941 /* Reset context in hardware only */ 1942 static int 1943 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1944 { 1945 struct net_device *netdev = adapter->netdev; 1946 1947 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1948 return -EBUSY; 1949 1950 netif_device_detach(netdev); 1951 1952 qlcnic_down(adapter, netdev); 1953 1954 qlcnic_up(adapter, netdev); 1955 1956 netif_device_attach(netdev); 1957 1958 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1959 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1960 return 0; 1961 } 1962 1963 int 1964 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1965 { 1966 int err = 0; 1967 struct net_device *netdev = adapter->netdev; 1968 1969 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1970 return -EBUSY; 1971 1972 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1973 1974 netif_device_detach(netdev); 1975 1976 if (netif_running(netdev)) 1977 __qlcnic_down(adapter, netdev); 1978 1979 qlcnic_detach(adapter); 1980 1981 if (netif_running(netdev)) { 1982 err = qlcnic_attach(adapter); 1983 if (!err) { 1984 __qlcnic_up(adapter, netdev); 1985 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1986 } 1987 } 1988 1989 netif_device_attach(netdev); 1990 } 1991 1992 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1993 return err; 1994 } 1995 1996 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 1997 { 1998 struct qlcnic_hardware_context *ahw = adapter->ahw; 1999 u16 act_pci_fn = ahw->act_pci_func; 2000 u16 count; 2001 2002 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2003 if (act_pci_fn <= 2) 2004 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2005 act_pci_fn; 2006 else 2007 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2008 act_pci_fn; 2009 ahw->max_uc_count = count; 2010 } 2011 2012 int 2013 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2014 int pci_using_dac) 2015 { 2016 int err; 2017 struct pci_dev *pdev = adapter->pdev; 2018 2019 adapter->rx_csum = 1; 2020 adapter->ahw->mc_enabled = 0; 2021 qlcnic_set_mac_filter_count(adapter); 2022 2023 netdev->netdev_ops = &qlcnic_netdev_ops; 2024 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2025 2026 qlcnic_change_mtu(netdev, netdev->mtu); 2027 2028 if (qlcnic_sriov_vf_check(adapter)) 2029 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2030 else 2031 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2032 2033 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2034 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2035 NETIF_F_HW_VLAN_CTAG_RX); 2036 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2037 NETIF_F_IPV6_CSUM); 2038 2039 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2040 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2041 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2042 } 2043 2044 if (pci_using_dac) { 2045 netdev->features |= NETIF_F_HIGHDMA; 2046 netdev->vlan_features |= NETIF_F_HIGHDMA; 2047 } 2048 2049 if (qlcnic_vlan_tx_check(adapter)) 2050 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2051 2052 if (qlcnic_sriov_vf_check(adapter)) 2053 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2054 2055 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2056 netdev->features |= NETIF_F_LRO; 2057 2058 netdev->hw_features = netdev->features; 2059 netdev->priv_flags |= IFF_UNICAST_FLT; 2060 netdev->irq = adapter->msix_entries[0].vector; 2061 2062 err = qlcnic_set_real_num_queues(adapter, netdev); 2063 if (err) 2064 return err; 2065 2066 err = register_netdev(netdev); 2067 if (err) { 2068 dev_err(&pdev->dev, "failed to register net device\n"); 2069 return err; 2070 } 2071 2072 qlcnic_dcb_init_dcbnl_ops(adapter); 2073 2074 return 0; 2075 } 2076 2077 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2078 { 2079 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2080 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2081 *pci_using_dac = 1; 2082 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2083 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2084 *pci_using_dac = 0; 2085 else { 2086 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2087 return -EIO; 2088 } 2089 2090 return 0; 2091 } 2092 2093 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2094 { 2095 int ring; 2096 struct qlcnic_host_tx_ring *tx_ring; 2097 2098 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2099 tx_ring = &adapter->tx_ring[ring]; 2100 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2101 vfree(tx_ring->cmd_buf_arr); 2102 tx_ring->cmd_buf_arr = NULL; 2103 } 2104 } 2105 if (adapter->tx_ring != NULL) 2106 kfree(adapter->tx_ring); 2107 } 2108 2109 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2110 struct net_device *netdev) 2111 { 2112 int ring, vector, index; 2113 struct qlcnic_host_tx_ring *tx_ring; 2114 struct qlcnic_cmd_buffer *cmd_buf_arr; 2115 2116 tx_ring = kcalloc(adapter->max_drv_tx_rings, 2117 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2118 if (tx_ring == NULL) 2119 return -ENOMEM; 2120 2121 adapter->tx_ring = tx_ring; 2122 2123 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2124 tx_ring = &adapter->tx_ring[ring]; 2125 tx_ring->num_desc = adapter->num_txd; 2126 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2127 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2128 if (cmd_buf_arr == NULL) { 2129 qlcnic_free_tx_rings(adapter); 2130 return -ENOMEM; 2131 } 2132 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2133 tx_ring->cmd_buf_arr = cmd_buf_arr; 2134 } 2135 2136 if (qlcnic_83xx_check(adapter) || 2137 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2138 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2139 tx_ring = &adapter->tx_ring[ring]; 2140 tx_ring->adapter = adapter; 2141 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2142 index = adapter->max_sds_rings + ring; 2143 vector = adapter->msix_entries[index].vector; 2144 tx_ring->irq = vector; 2145 } 2146 } 2147 } 2148 2149 return 0; 2150 } 2151 2152 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2153 { 2154 struct qlcnic_hardware_context *ahw = adapter->ahw; 2155 u32 fw_cmd = 0; 2156 2157 if (qlcnic_82xx_check(adapter)) 2158 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2159 else if (qlcnic_83xx_check(adapter)) 2160 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2161 2162 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) && 2163 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)) 2164 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2165 } 2166 2167 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter) 2168 { 2169 return __qlcnic_register_dcb(adapter); 2170 } 2171 2172 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter) 2173 { 2174 kfree(adapter->dcb); 2175 adapter->dcb = NULL; 2176 } 2177 2178 static int 2179 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2180 { 2181 struct net_device *netdev = NULL; 2182 struct qlcnic_adapter *adapter = NULL; 2183 struct qlcnic_hardware_context *ahw; 2184 int err, pci_using_dac = -1; 2185 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2186 2187 if (pdev->is_virtfn) 2188 return -ENODEV; 2189 2190 err = pci_enable_device(pdev); 2191 if (err) 2192 return err; 2193 2194 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2195 err = -ENODEV; 2196 goto err_out_disable_pdev; 2197 } 2198 2199 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2200 if (err) 2201 goto err_out_disable_pdev; 2202 2203 err = pci_request_regions(pdev, qlcnic_driver_name); 2204 if (err) 2205 goto err_out_disable_pdev; 2206 2207 pci_set_master(pdev); 2208 pci_enable_pcie_error_reporting(pdev); 2209 2210 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2211 if (!ahw) { 2212 err = -ENOMEM; 2213 goto err_out_free_res; 2214 } 2215 2216 switch (ent->device) { 2217 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2218 ahw->hw_ops = &qlcnic_hw_ops; 2219 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2220 break; 2221 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2222 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2223 qlcnic_83xx_register_map(ahw); 2224 break; 2225 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2226 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2227 qlcnic_sriov_vf_register_map(ahw); 2228 break; 2229 default: 2230 goto err_out_free_hw_res; 2231 } 2232 2233 err = qlcnic_setup_pci_map(pdev, ahw); 2234 if (err) 2235 goto err_out_free_hw_res; 2236 2237 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2238 QLCNIC_MAX_TX_RINGS); 2239 if (!netdev) { 2240 err = -ENOMEM; 2241 goto err_out_iounmap; 2242 } 2243 2244 SET_NETDEV_DEV(netdev, &pdev->dev); 2245 2246 adapter = netdev_priv(netdev); 2247 adapter->netdev = netdev; 2248 adapter->pdev = pdev; 2249 adapter->ahw = ahw; 2250 2251 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2252 if (adapter->qlcnic_wq == NULL) { 2253 err = -ENOMEM; 2254 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2255 goto err_out_free_netdev; 2256 } 2257 2258 err = qlcnic_alloc_adapter_resources(adapter); 2259 if (err) 2260 goto err_out_free_wq; 2261 2262 adapter->dev_rst_time = jiffies; 2263 adapter->ahw->revision_id = pdev->revision; 2264 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2265 adapter->fdb_mac_learn = true; 2266 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2267 adapter->drv_mac_learn = true; 2268 2269 rwlock_init(&adapter->ahw->crb_lock); 2270 mutex_init(&adapter->ahw->mem_lock); 2271 2272 INIT_LIST_HEAD(&adapter->mac_list); 2273 2274 qlcnic_register_dcb(adapter); 2275 2276 if (qlcnic_82xx_check(adapter)) { 2277 qlcnic_check_vf(adapter, ent); 2278 adapter->portnum = adapter->ahw->pci_func; 2279 err = qlcnic_start_firmware(adapter); 2280 if (err) { 2281 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2282 "\t\tIf reboot doesn't help, try flashing the card\n"); 2283 goto err_out_maintenance_mode; 2284 } 2285 2286 qlcnic_get_multiq_capability(adapter); 2287 2288 if ((adapter->ahw->act_pci_func > 2) && 2289 qlcnic_check_multi_tx(adapter)) { 2290 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS; 2291 dev_info(&adapter->pdev->dev, 2292 "vNIC mode enabled, Set max TX rings = %d\n", 2293 adapter->max_drv_tx_rings); 2294 } 2295 2296 if (!qlcnic_check_multi_tx(adapter)) { 2297 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 2298 adapter->max_drv_tx_rings = 1; 2299 } 2300 err = qlcnic_setup_idc_param(adapter); 2301 if (err) 2302 goto err_out_free_hw; 2303 2304 adapter->flags |= QLCNIC_NEED_FLR; 2305 2306 if (adapter->dcb && qlcnic_dcb_attach(adapter)) 2307 qlcnic_clear_dcb_ops(adapter); 2308 2309 } else if (qlcnic_83xx_check(adapter)) { 2310 adapter->max_drv_tx_rings = 1; 2311 qlcnic_83xx_check_vf(adapter, ent); 2312 adapter->portnum = adapter->ahw->pci_func; 2313 err = qlcnic_83xx_init(adapter, pci_using_dac); 2314 if (err) { 2315 dev_err(&pdev->dev, "%s: failed\n", __func__); 2316 goto err_out_free_hw; 2317 } 2318 if (qlcnic_sriov_vf_check(adapter)) 2319 return 0; 2320 } else { 2321 dev_err(&pdev->dev, 2322 "%s: failed. Please Reboot\n", __func__); 2323 goto err_out_free_hw; 2324 } 2325 2326 if (qlcnic_read_mac_addr(adapter)) 2327 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2328 2329 qlcnic_read_phys_port_id(adapter); 2330 2331 if (adapter->portnum == 0) { 2332 qlcnic_get_board_name(adapter, board_name); 2333 2334 pr_info("%s: %s Board Chip rev 0x%x\n", 2335 module_name(THIS_MODULE), 2336 board_name, adapter->ahw->revision_id); 2337 } 2338 2339 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2340 !!qlcnic_use_msi) 2341 dev_warn(&pdev->dev, 2342 "Device does not support MSI interrupts\n"); 2343 2344 if (qlcnic_82xx_check(adapter)) { 2345 err = qlcnic_setup_intr(adapter, 0, 0); 2346 if (err) { 2347 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2348 goto err_out_disable_msi; 2349 } 2350 } 2351 2352 err = qlcnic_get_act_pci_func(adapter); 2353 if (err) 2354 goto err_out_disable_mbx_intr; 2355 2356 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2357 if (err) 2358 goto err_out_disable_mbx_intr; 2359 2360 if (adapter->portnum == 0) 2361 qlcnic_set_drv_version(adapter); 2362 2363 pci_set_drvdata(pdev, adapter); 2364 2365 if (qlcnic_82xx_check(adapter)) 2366 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2367 FW_POLL_DELAY); 2368 2369 switch (adapter->ahw->port_type) { 2370 case QLCNIC_GBE: 2371 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2372 adapter->netdev->name); 2373 break; 2374 case QLCNIC_XGBE: 2375 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2376 adapter->netdev->name); 2377 break; 2378 } 2379 2380 if (adapter->drv_mac_learn) 2381 qlcnic_alloc_lb_filters_mem(adapter); 2382 2383 qlcnic_add_sysfs(adapter); 2384 2385 return 0; 2386 2387 err_out_disable_mbx_intr: 2388 if (qlcnic_83xx_check(adapter)) 2389 qlcnic_83xx_free_mbx_intr(adapter); 2390 2391 err_out_disable_msi: 2392 qlcnic_teardown_intr(adapter); 2393 qlcnic_cancel_idc_work(adapter); 2394 qlcnic_clr_all_drv_state(adapter, 0); 2395 2396 err_out_free_hw: 2397 qlcnic_free_adapter_resources(adapter); 2398 2399 err_out_free_wq: 2400 destroy_workqueue(adapter->qlcnic_wq); 2401 2402 err_out_free_netdev: 2403 free_netdev(netdev); 2404 2405 err_out_iounmap: 2406 qlcnic_cleanup_pci_map(ahw); 2407 2408 err_out_free_hw_res: 2409 kfree(ahw); 2410 2411 err_out_free_res: 2412 pci_release_regions(pdev); 2413 2414 err_out_disable_pdev: 2415 pci_set_drvdata(pdev, NULL); 2416 pci_disable_device(pdev); 2417 return err; 2418 2419 err_out_maintenance_mode: 2420 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2421 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 2422 err = register_netdev(netdev); 2423 2424 if (err) { 2425 dev_err(&pdev->dev, "Failed to register net device\n"); 2426 qlcnic_clr_all_drv_state(adapter, 0); 2427 goto err_out_free_hw; 2428 } 2429 2430 pci_set_drvdata(pdev, adapter); 2431 qlcnic_add_sysfs(adapter); 2432 2433 return 0; 2434 } 2435 2436 static void qlcnic_remove(struct pci_dev *pdev) 2437 { 2438 struct qlcnic_adapter *adapter; 2439 struct net_device *netdev; 2440 struct qlcnic_hardware_context *ahw; 2441 2442 adapter = pci_get_drvdata(pdev); 2443 if (adapter == NULL) 2444 return; 2445 2446 netdev = adapter->netdev; 2447 qlcnic_sriov_pf_disable(adapter); 2448 2449 qlcnic_cancel_idc_work(adapter); 2450 ahw = adapter->ahw; 2451 2452 qlcnic_dcb_free(adapter); 2453 2454 unregister_netdev(netdev); 2455 qlcnic_sriov_cleanup(adapter); 2456 2457 if (qlcnic_83xx_check(adapter)) { 2458 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2459 cancel_delayed_work_sync(&adapter->idc_aen_work); 2460 qlcnic_83xx_free_mbx_intr(adapter); 2461 qlcnic_83xx_detach_mailbox_work(adapter); 2462 qlcnic_83xx_free_mailbox(ahw->mailbox); 2463 kfree(ahw->fw_info); 2464 } 2465 2466 qlcnic_detach(adapter); 2467 2468 if (adapter->npars != NULL) 2469 kfree(adapter->npars); 2470 if (adapter->eswitch != NULL) 2471 kfree(adapter->eswitch); 2472 2473 if (qlcnic_82xx_check(adapter)) 2474 qlcnic_clr_all_drv_state(adapter, 0); 2475 2476 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2477 2478 qlcnic_free_lb_filters_mem(adapter); 2479 2480 qlcnic_teardown_intr(adapter); 2481 2482 qlcnic_remove_sysfs(adapter); 2483 2484 qlcnic_cleanup_pci_map(adapter->ahw); 2485 2486 qlcnic_release_firmware(adapter); 2487 2488 pci_disable_pcie_error_reporting(pdev); 2489 pci_release_regions(pdev); 2490 pci_disable_device(pdev); 2491 pci_set_drvdata(pdev, NULL); 2492 2493 if (adapter->qlcnic_wq) { 2494 destroy_workqueue(adapter->qlcnic_wq); 2495 adapter->qlcnic_wq = NULL; 2496 } 2497 2498 qlcnic_free_adapter_resources(adapter); 2499 kfree(ahw); 2500 free_netdev(netdev); 2501 } 2502 2503 static void qlcnic_shutdown(struct pci_dev *pdev) 2504 { 2505 if (__qlcnic_shutdown(pdev)) 2506 return; 2507 2508 pci_disable_device(pdev); 2509 } 2510 2511 #ifdef CONFIG_PM 2512 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2513 { 2514 int retval; 2515 2516 retval = __qlcnic_shutdown(pdev); 2517 if (retval) 2518 return retval; 2519 2520 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2521 return 0; 2522 } 2523 2524 static int qlcnic_resume(struct pci_dev *pdev) 2525 { 2526 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2527 int err; 2528 2529 err = pci_enable_device(pdev); 2530 if (err) 2531 return err; 2532 2533 pci_set_power_state(pdev, PCI_D0); 2534 pci_set_master(pdev); 2535 pci_restore_state(pdev); 2536 2537 return __qlcnic_resume(adapter); 2538 } 2539 #endif 2540 2541 static int qlcnic_open(struct net_device *netdev) 2542 { 2543 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2544 u32 state; 2545 int err; 2546 2547 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2548 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { 2549 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__); 2550 2551 return -EIO; 2552 } 2553 2554 netif_carrier_off(netdev); 2555 2556 err = qlcnic_attach(adapter); 2557 if (err) 2558 return err; 2559 2560 err = __qlcnic_up(adapter, netdev); 2561 if (err) 2562 goto err_out; 2563 2564 netif_tx_start_all_queues(netdev); 2565 2566 return 0; 2567 2568 err_out: 2569 qlcnic_detach(adapter); 2570 return err; 2571 } 2572 2573 /* 2574 * qlcnic_close - Disables a network interface entry point 2575 */ 2576 static int qlcnic_close(struct net_device *netdev) 2577 { 2578 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2579 2580 __qlcnic_down(adapter, netdev); 2581 2582 return 0; 2583 } 2584 2585 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2586 { 2587 void *head; 2588 int i; 2589 struct net_device *netdev = adapter->netdev; 2590 u32 filter_size = 0; 2591 u16 act_pci_func = 0; 2592 2593 if (adapter->fhash.fmax && adapter->fhash.fhead) 2594 return; 2595 2596 act_pci_func = adapter->ahw->act_pci_func; 2597 spin_lock_init(&adapter->mac_learn_lock); 2598 spin_lock_init(&adapter->rx_mac_learn_lock); 2599 2600 if (qlcnic_82xx_check(adapter)) { 2601 filter_size = QLCNIC_LB_MAX_FILTERS; 2602 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2603 } else { 2604 filter_size = QLC_83XX_LB_MAX_FILTERS; 2605 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2606 } 2607 2608 head = kcalloc(adapter->fhash.fbucket_size, 2609 sizeof(struct hlist_head), GFP_ATOMIC); 2610 2611 if (!head) 2612 return; 2613 2614 adapter->fhash.fmax = (filter_size / act_pci_func); 2615 adapter->fhash.fhead = head; 2616 2617 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2618 act_pci_func, adapter->fhash.fmax); 2619 2620 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2621 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2622 2623 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2624 2625 head = kcalloc(adapter->rx_fhash.fbucket_size, 2626 sizeof(struct hlist_head), GFP_ATOMIC); 2627 2628 if (!head) 2629 return; 2630 2631 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2632 adapter->rx_fhash.fhead = head; 2633 2634 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2635 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2636 } 2637 2638 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2639 { 2640 if (adapter->fhash.fmax && adapter->fhash.fhead) 2641 kfree(adapter->fhash.fhead); 2642 2643 adapter->fhash.fhead = NULL; 2644 adapter->fhash.fmax = 0; 2645 2646 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2647 kfree(adapter->rx_fhash.fhead); 2648 2649 adapter->rx_fhash.fmax = 0; 2650 adapter->rx_fhash.fhead = NULL; 2651 } 2652 2653 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2654 { 2655 struct net_device *netdev = adapter->netdev; 2656 u32 temp_state, temp_val, temp = 0; 2657 int rv = 0; 2658 2659 if (qlcnic_83xx_check(adapter)) 2660 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2661 2662 if (qlcnic_82xx_check(adapter)) 2663 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2664 2665 temp_state = qlcnic_get_temp_state(temp); 2666 temp_val = qlcnic_get_temp_val(temp); 2667 2668 if (temp_state == QLCNIC_TEMP_PANIC) { 2669 dev_err(&netdev->dev, 2670 "Device temperature %d degrees C exceeds" 2671 " maximum allowed. Hardware has been shut down.\n", 2672 temp_val); 2673 rv = 1; 2674 } else if (temp_state == QLCNIC_TEMP_WARN) { 2675 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2676 dev_err(&netdev->dev, 2677 "Device temperature %d degrees C " 2678 "exceeds operating range." 2679 " Immediate action needed.\n", 2680 temp_val); 2681 } 2682 } else { 2683 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2684 dev_info(&netdev->dev, 2685 "Device temperature is now %d degrees C" 2686 " in normal range.\n", temp_val); 2687 } 2688 } 2689 adapter->ahw->temp = temp_state; 2690 return rv; 2691 } 2692 2693 static void qlcnic_tx_timeout(struct net_device *netdev) 2694 { 2695 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2696 struct qlcnic_host_tx_ring *tx_ring; 2697 int ring; 2698 2699 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2700 return; 2701 2702 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2703 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2704 if (qlcnic_82xx_check(adapter)) 2705 adapter->need_fw_reset = 1; 2706 else if (qlcnic_83xx_check(adapter)) 2707 qlcnic_83xx_idc_request_reset(adapter, 2708 QLCNIC_FORCE_FW_DUMP_KEY); 2709 } else { 2710 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2711 if (qlcnic_82xx_check(adapter)) { 2712 for (ring = 0; ring < adapter->max_drv_tx_rings; 2713 ring++) { 2714 tx_ring = &adapter->tx_ring[ring]; 2715 dev_info(&netdev->dev, "ring=%d\n", ring); 2716 dev_info(&netdev->dev, "crb_intr_mask=%d\n", 2717 readl(tx_ring->crb_intr_mask)); 2718 dev_info(&netdev->dev, "producer=%d\n", 2719 readl(tx_ring->crb_cmd_producer)); 2720 dev_info(&netdev->dev, "sw_consumer = %d\n", 2721 tx_ring->sw_consumer); 2722 dev_info(&netdev->dev, "hw_consumer = %d\n", 2723 le32_to_cpu(*(tx_ring->hw_consumer))); 2724 dev_info(&netdev->dev, "xmit-on=%llu\n", 2725 tx_ring->xmit_on); 2726 dev_info(&netdev->dev, "xmit-off=%llu\n", 2727 tx_ring->xmit_off); 2728 } 2729 } 2730 adapter->ahw->reset_context = 1; 2731 } 2732 } 2733 2734 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2735 { 2736 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2737 struct net_device_stats *stats = &netdev->stats; 2738 2739 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2740 stats->tx_packets = adapter->stats.xmitfinished; 2741 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2742 stats->tx_bytes = adapter->stats.txbytes; 2743 stats->rx_dropped = adapter->stats.rxdropped; 2744 stats->tx_dropped = adapter->stats.txdropped; 2745 2746 return stats; 2747 } 2748 2749 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2750 { 2751 u32 status; 2752 2753 status = readl(adapter->isr_int_vec); 2754 2755 if (!(status & adapter->ahw->int_vec_bit)) 2756 return IRQ_NONE; 2757 2758 /* check interrupt state machine, to be sure */ 2759 status = readl(adapter->crb_int_state_reg); 2760 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2761 return IRQ_NONE; 2762 2763 writel(0xffffffff, adapter->tgt_status_reg); 2764 /* read twice to ensure write is flushed */ 2765 readl(adapter->isr_int_vec); 2766 readl(adapter->isr_int_vec); 2767 2768 return IRQ_HANDLED; 2769 } 2770 2771 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2772 { 2773 struct qlcnic_host_sds_ring *sds_ring = data; 2774 struct qlcnic_adapter *adapter = sds_ring->adapter; 2775 2776 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2777 goto done; 2778 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2779 writel(0xffffffff, adapter->tgt_status_reg); 2780 goto done; 2781 } 2782 2783 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2784 return IRQ_NONE; 2785 2786 done: 2787 adapter->ahw->diag_cnt++; 2788 qlcnic_enable_int(sds_ring); 2789 return IRQ_HANDLED; 2790 } 2791 2792 static irqreturn_t qlcnic_intr(int irq, void *data) 2793 { 2794 struct qlcnic_host_sds_ring *sds_ring = data; 2795 struct qlcnic_adapter *adapter = sds_ring->adapter; 2796 2797 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2798 return IRQ_NONE; 2799 2800 napi_schedule(&sds_ring->napi); 2801 2802 return IRQ_HANDLED; 2803 } 2804 2805 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2806 { 2807 struct qlcnic_host_sds_ring *sds_ring = data; 2808 struct qlcnic_adapter *adapter = sds_ring->adapter; 2809 2810 /* clear interrupt */ 2811 writel(0xffffffff, adapter->tgt_status_reg); 2812 2813 napi_schedule(&sds_ring->napi); 2814 return IRQ_HANDLED; 2815 } 2816 2817 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2818 { 2819 struct qlcnic_host_sds_ring *sds_ring = data; 2820 2821 napi_schedule(&sds_ring->napi); 2822 return IRQ_HANDLED; 2823 } 2824 2825 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2826 { 2827 struct qlcnic_host_tx_ring *tx_ring = data; 2828 2829 napi_schedule(&tx_ring->napi); 2830 return IRQ_HANDLED; 2831 } 2832 2833 #ifdef CONFIG_NET_POLL_CONTROLLER 2834 static void qlcnic_poll_controller(struct net_device *netdev) 2835 { 2836 int ring; 2837 struct qlcnic_host_sds_ring *sds_ring; 2838 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2839 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2840 2841 disable_irq(adapter->irq); 2842 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2843 sds_ring = &recv_ctx->sds_rings[ring]; 2844 qlcnic_intr(adapter->irq, sds_ring); 2845 } 2846 enable_irq(adapter->irq); 2847 } 2848 #endif 2849 2850 static void 2851 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2852 { 2853 u32 val; 2854 2855 val = adapter->portnum & 0xf; 2856 val |= encoding << 7; 2857 val |= (jiffies - adapter->dev_rst_time) << 8; 2858 2859 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2860 adapter->dev_rst_time = jiffies; 2861 } 2862 2863 static int 2864 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2865 { 2866 u32 val; 2867 2868 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2869 state != QLCNIC_DEV_NEED_QUISCENT); 2870 2871 if (qlcnic_api_lock(adapter)) 2872 return -EIO; 2873 2874 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2875 2876 if (state == QLCNIC_DEV_NEED_RESET) 2877 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2878 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2879 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2880 2881 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2882 2883 qlcnic_api_unlock(adapter); 2884 2885 return 0; 2886 } 2887 2888 static int 2889 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2890 { 2891 u32 val; 2892 2893 if (qlcnic_api_lock(adapter)) 2894 return -EBUSY; 2895 2896 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2897 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2898 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2899 2900 qlcnic_api_unlock(adapter); 2901 2902 return 0; 2903 } 2904 2905 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2906 { 2907 u32 val; 2908 2909 if (qlcnic_api_lock(adapter)) 2910 goto err; 2911 2912 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2913 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2914 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2915 2916 if (failed) { 2917 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2918 QLCNIC_DEV_FAILED); 2919 dev_info(&adapter->pdev->dev, 2920 "Device state set to Failed. Please Reboot\n"); 2921 } else if (!(val & 0x11111111)) 2922 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2923 QLCNIC_DEV_COLD); 2924 2925 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2926 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2927 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2928 2929 qlcnic_api_unlock(adapter); 2930 err: 2931 adapter->fw_fail_cnt = 0; 2932 adapter->flags &= ~QLCNIC_FW_HANG; 2933 clear_bit(__QLCNIC_START_FW, &adapter->state); 2934 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2935 } 2936 2937 /* Grab api lock, before checking state */ 2938 static int 2939 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2940 { 2941 int act, state, active_mask; 2942 struct qlcnic_hardware_context *ahw = adapter->ahw; 2943 2944 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2945 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2946 2947 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2948 active_mask = (~(1 << (ahw->pci_func * 4))); 2949 act = act & active_mask; 2950 } 2951 2952 if (((state & 0x11111111) == (act & 0x11111111)) || 2953 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2954 return 0; 2955 else 2956 return 1; 2957 } 2958 2959 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2960 { 2961 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2962 2963 if (val != QLCNIC_DRV_IDC_VER) { 2964 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2965 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2966 } 2967 2968 return 0; 2969 } 2970 2971 static int 2972 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2973 { 2974 u32 val, prev_state; 2975 u8 dev_init_timeo = adapter->dev_init_timeo; 2976 u8 portnum = adapter->portnum; 2977 u8 ret; 2978 2979 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2980 return 1; 2981 2982 if (qlcnic_api_lock(adapter)) 2983 return -1; 2984 2985 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2986 if (!(val & (1 << (portnum * 4)))) { 2987 QLC_DEV_SET_REF_CNT(val, portnum); 2988 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2989 } 2990 2991 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2992 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2993 2994 switch (prev_state) { 2995 case QLCNIC_DEV_COLD: 2996 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2997 QLCNIC_DEV_INITIALIZING); 2998 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2999 QLCNIC_DRV_IDC_VER); 3000 qlcnic_idc_debug_info(adapter, 0); 3001 qlcnic_api_unlock(adapter); 3002 return 1; 3003 3004 case QLCNIC_DEV_READY: 3005 ret = qlcnic_check_idc_ver(adapter); 3006 qlcnic_api_unlock(adapter); 3007 return ret; 3008 3009 case QLCNIC_DEV_NEED_RESET: 3010 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3011 QLC_DEV_SET_RST_RDY(val, portnum); 3012 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3013 break; 3014 3015 case QLCNIC_DEV_NEED_QUISCENT: 3016 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3017 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3018 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3019 break; 3020 3021 case QLCNIC_DEV_FAILED: 3022 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3023 qlcnic_api_unlock(adapter); 3024 return -1; 3025 3026 case QLCNIC_DEV_INITIALIZING: 3027 case QLCNIC_DEV_QUISCENT: 3028 break; 3029 } 3030 3031 qlcnic_api_unlock(adapter); 3032 3033 do { 3034 msleep(1000); 3035 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3036 3037 if (prev_state == QLCNIC_DEV_QUISCENT) 3038 continue; 3039 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3040 3041 if (!dev_init_timeo) { 3042 dev_err(&adapter->pdev->dev, 3043 "Waiting for device to initialize timeout\n"); 3044 return -1; 3045 } 3046 3047 if (qlcnic_api_lock(adapter)) 3048 return -1; 3049 3050 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3051 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3052 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3053 3054 ret = qlcnic_check_idc_ver(adapter); 3055 qlcnic_api_unlock(adapter); 3056 3057 return ret; 3058 } 3059 3060 static void 3061 qlcnic_fwinit_work(struct work_struct *work) 3062 { 3063 struct qlcnic_adapter *adapter = container_of(work, 3064 struct qlcnic_adapter, fw_work.work); 3065 u32 dev_state = 0xf; 3066 u32 val; 3067 3068 if (qlcnic_api_lock(adapter)) 3069 goto err_ret; 3070 3071 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3072 if (dev_state == QLCNIC_DEV_QUISCENT || 3073 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3074 qlcnic_api_unlock(adapter); 3075 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3076 FW_POLL_DELAY * 2); 3077 return; 3078 } 3079 3080 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3081 qlcnic_api_unlock(adapter); 3082 goto wait_npar; 3083 } 3084 3085 if (dev_state == QLCNIC_DEV_INITIALIZING || 3086 dev_state == QLCNIC_DEV_READY) { 3087 dev_info(&adapter->pdev->dev, "Detected state change from " 3088 "DEV_NEED_RESET, skipping ack check\n"); 3089 goto skip_ack_check; 3090 } 3091 3092 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3093 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3094 adapter->reset_ack_timeo); 3095 goto skip_ack_check; 3096 } 3097 3098 if (!qlcnic_check_drv_state(adapter)) { 3099 skip_ack_check: 3100 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3101 3102 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3103 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3104 QLCNIC_DEV_INITIALIZING); 3105 set_bit(__QLCNIC_START_FW, &adapter->state); 3106 QLCDB(adapter, DRV, "Restarting fw\n"); 3107 qlcnic_idc_debug_info(adapter, 0); 3108 val = QLC_SHARED_REG_RD32(adapter, 3109 QLCNIC_CRB_DRV_STATE); 3110 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3111 QLC_SHARED_REG_WR32(adapter, 3112 QLCNIC_CRB_DRV_STATE, val); 3113 } 3114 3115 qlcnic_api_unlock(adapter); 3116 3117 rtnl_lock(); 3118 if (qlcnic_check_fw_dump_state(adapter) && 3119 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3120 QLCDB(adapter, DRV, "Take FW dump\n"); 3121 qlcnic_dump_fw(adapter); 3122 adapter->flags |= QLCNIC_FW_HANG; 3123 } 3124 rtnl_unlock(); 3125 3126 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3127 if (!adapter->nic_ops->start_firmware(adapter)) { 3128 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3129 adapter->fw_wait_cnt = 0; 3130 return; 3131 } 3132 goto err_ret; 3133 } 3134 3135 qlcnic_api_unlock(adapter); 3136 3137 wait_npar: 3138 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3139 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3140 3141 switch (dev_state) { 3142 case QLCNIC_DEV_READY: 3143 if (!qlcnic_start_firmware(adapter)) { 3144 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3145 adapter->fw_wait_cnt = 0; 3146 return; 3147 } 3148 case QLCNIC_DEV_FAILED: 3149 break; 3150 default: 3151 qlcnic_schedule_work(adapter, 3152 qlcnic_fwinit_work, FW_POLL_DELAY); 3153 return; 3154 } 3155 3156 err_ret: 3157 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3158 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3159 netif_device_attach(adapter->netdev); 3160 qlcnic_clr_all_drv_state(adapter, 0); 3161 } 3162 3163 static void 3164 qlcnic_detach_work(struct work_struct *work) 3165 { 3166 struct qlcnic_adapter *adapter = container_of(work, 3167 struct qlcnic_adapter, fw_work.work); 3168 struct net_device *netdev = adapter->netdev; 3169 u32 status; 3170 3171 netif_device_detach(netdev); 3172 3173 /* Dont grab rtnl lock during Quiscent mode */ 3174 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3175 if (netif_running(netdev)) 3176 __qlcnic_down(adapter, netdev); 3177 } else 3178 qlcnic_down(adapter, netdev); 3179 3180 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3181 3182 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3183 dev_err(&adapter->pdev->dev, 3184 "Detaching the device: peg halt status1=0x%x\n", 3185 status); 3186 3187 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3188 dev_err(&adapter->pdev->dev, 3189 "On board active cooling fan failed. " 3190 "Device has been halted.\n"); 3191 dev_err(&adapter->pdev->dev, 3192 "Replace the adapter.\n"); 3193 } 3194 3195 goto err_ret; 3196 } 3197 3198 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3199 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3200 adapter->ahw->temp); 3201 goto err_ret; 3202 } 3203 3204 /* Dont ack if this instance is the reset owner */ 3205 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3206 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3207 dev_err(&adapter->pdev->dev, 3208 "Failed to set driver state," 3209 "detaching the device.\n"); 3210 goto err_ret; 3211 } 3212 } 3213 3214 adapter->fw_wait_cnt = 0; 3215 3216 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3217 3218 return; 3219 3220 err_ret: 3221 netif_device_attach(netdev); 3222 qlcnic_clr_all_drv_state(adapter, 1); 3223 } 3224 3225 /*Transit NPAR state to NON Operational */ 3226 static void 3227 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3228 { 3229 u32 state; 3230 3231 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3232 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3233 return; 3234 3235 if (qlcnic_api_lock(adapter)) 3236 return; 3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3238 QLCNIC_DEV_NPAR_NON_OPER); 3239 qlcnic_api_unlock(adapter); 3240 } 3241 3242 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 3243 { 3244 u32 state, xg_val = 0, gb_val = 0; 3245 3246 qlcnic_xg_set_xg0_mask(xg_val); 3247 qlcnic_xg_set_xg1_mask(xg_val); 3248 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3249 qlcnic_gb_set_gb0_mask(gb_val); 3250 qlcnic_gb_set_gb1_mask(gb_val); 3251 qlcnic_gb_set_gb2_mask(gb_val); 3252 qlcnic_gb_set_gb3_mask(gb_val); 3253 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3254 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3255 " on all ports\n"); 3256 adapter->need_fw_reset = 1; 3257 3258 if (qlcnic_api_lock(adapter)) 3259 return; 3260 3261 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3262 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { 3263 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n", 3264 __func__); 3265 qlcnic_api_unlock(adapter); 3266 3267 return; 3268 } 3269 3270 if (state == QLCNIC_DEV_READY) { 3271 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3272 QLCNIC_DEV_NEED_RESET); 3273 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3274 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3275 qlcnic_idc_debug_info(adapter, 0); 3276 } 3277 3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3279 QLCNIC_DEV_NPAR_NON_OPER); 3280 qlcnic_api_unlock(adapter); 3281 } 3282 3283 /* Transit to NPAR READY state from NPAR NOT READY state */ 3284 static void 3285 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3286 { 3287 if (qlcnic_api_lock(adapter)) 3288 return; 3289 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3291 QLCNIC_DEV_NPAR_OPER); 3292 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3293 3294 qlcnic_api_unlock(adapter); 3295 } 3296 3297 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3298 work_func_t func, int delay) 3299 { 3300 if (test_bit(__QLCNIC_AER, &adapter->state)) 3301 return; 3302 3303 INIT_DELAYED_WORK(&adapter->fw_work, func); 3304 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3305 round_jiffies_relative(delay)); 3306 } 3307 3308 static void 3309 qlcnic_attach_work(struct work_struct *work) 3310 { 3311 struct qlcnic_adapter *adapter = container_of(work, 3312 struct qlcnic_adapter, fw_work.work); 3313 struct net_device *netdev = adapter->netdev; 3314 u32 npar_state; 3315 3316 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3317 npar_state = QLC_SHARED_REG_RD32(adapter, 3318 QLCNIC_CRB_DEV_NPAR_STATE); 3319 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3320 qlcnic_clr_all_drv_state(adapter, 0); 3321 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3322 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3323 FW_POLL_DELAY); 3324 else 3325 goto attach; 3326 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3327 return; 3328 } 3329 attach: 3330 qlcnic_dcb_get_info(adapter); 3331 3332 if (netif_running(netdev)) { 3333 if (qlcnic_up(adapter, netdev)) 3334 goto done; 3335 3336 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3337 } 3338 3339 done: 3340 netif_device_attach(netdev); 3341 adapter->fw_fail_cnt = 0; 3342 adapter->flags &= ~QLCNIC_FW_HANG; 3343 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3344 if (adapter->portnum == 0) 3345 qlcnic_set_drv_version(adapter); 3346 3347 if (!qlcnic_clr_drv_state(adapter)) 3348 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3349 FW_POLL_DELAY); 3350 } 3351 3352 static int 3353 qlcnic_check_health(struct qlcnic_adapter *adapter) 3354 { 3355 u32 state = 0, heartbeat; 3356 u32 peg_status; 3357 int err = 0; 3358 3359 if (qlcnic_check_temp(adapter)) 3360 goto detach; 3361 3362 if (adapter->need_fw_reset) 3363 qlcnic_dev_request_reset(adapter, 0); 3364 3365 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3366 if (state == QLCNIC_DEV_NEED_RESET) { 3367 qlcnic_set_npar_non_operational(adapter); 3368 adapter->need_fw_reset = 1; 3369 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3370 goto detach; 3371 3372 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3373 if (heartbeat != adapter->heartbeat) { 3374 adapter->heartbeat = heartbeat; 3375 adapter->fw_fail_cnt = 0; 3376 if (adapter->need_fw_reset) 3377 goto detach; 3378 3379 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3380 qlcnic_reset_hw_context(adapter); 3381 3382 return 0; 3383 } 3384 3385 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3386 return 0; 3387 3388 adapter->flags |= QLCNIC_FW_HANG; 3389 3390 qlcnic_dev_request_reset(adapter, 0); 3391 3392 if (qlcnic_auto_fw_reset) 3393 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3394 3395 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3396 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3397 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3398 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3399 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3400 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3401 "PEG_NET_4_PC: 0x%x\n", 3402 peg_status, 3403 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3404 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3405 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3406 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3407 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3408 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3409 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3410 dev_err(&adapter->pdev->dev, 3411 "Firmware aborted with error code 0x00006700. " 3412 "Device is being reset.\n"); 3413 detach: 3414 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3415 QLCNIC_DEV_NEED_RESET; 3416 3417 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3418 &adapter->state)) { 3419 3420 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3421 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3422 } 3423 3424 return 1; 3425 } 3426 3427 void qlcnic_fw_poll_work(struct work_struct *work) 3428 { 3429 struct qlcnic_adapter *adapter = container_of(work, 3430 struct qlcnic_adapter, fw_work.work); 3431 3432 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3433 goto reschedule; 3434 3435 3436 if (qlcnic_check_health(adapter)) 3437 return; 3438 3439 if (adapter->fhash.fnum) 3440 qlcnic_prune_lb_filters(adapter); 3441 3442 reschedule: 3443 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3444 } 3445 3446 static int qlcnic_is_first_func(struct pci_dev *pdev) 3447 { 3448 struct pci_dev *oth_pdev; 3449 int val = pdev->devfn; 3450 3451 while (val-- > 0) { 3452 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3453 (pdev->bus), pdev->bus->number, 3454 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3455 if (!oth_pdev) 3456 continue; 3457 3458 if (oth_pdev->current_state != PCI_D3cold) { 3459 pci_dev_put(oth_pdev); 3460 return 0; 3461 } 3462 pci_dev_put(oth_pdev); 3463 } 3464 return 1; 3465 } 3466 3467 static int qlcnic_attach_func(struct pci_dev *pdev) 3468 { 3469 int err, first_func; 3470 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3471 struct net_device *netdev = adapter->netdev; 3472 3473 pdev->error_state = pci_channel_io_normal; 3474 3475 err = pci_enable_device(pdev); 3476 if (err) 3477 return err; 3478 3479 pci_set_master(pdev); 3480 pci_restore_state(pdev); 3481 3482 first_func = qlcnic_is_first_func(pdev); 3483 3484 if (qlcnic_api_lock(adapter)) 3485 return -EINVAL; 3486 3487 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3488 adapter->need_fw_reset = 1; 3489 set_bit(__QLCNIC_START_FW, &adapter->state); 3490 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3491 QLCNIC_DEV_INITIALIZING); 3492 QLCDB(adapter, DRV, "Restarting fw\n"); 3493 } 3494 qlcnic_api_unlock(adapter); 3495 3496 err = qlcnic_start_firmware(adapter); 3497 if (err) 3498 return err; 3499 3500 qlcnic_clr_drv_state(adapter); 3501 kfree(adapter->msix_entries); 3502 adapter->msix_entries = NULL; 3503 err = qlcnic_setup_intr(adapter, 0, 0); 3504 3505 if (err) { 3506 kfree(adapter->msix_entries); 3507 netdev_err(netdev, "failed to setup interrupt\n"); 3508 return err; 3509 } 3510 3511 if (netif_running(netdev)) { 3512 err = qlcnic_attach(adapter); 3513 if (err) { 3514 qlcnic_clr_all_drv_state(adapter, 1); 3515 clear_bit(__QLCNIC_AER, &adapter->state); 3516 netif_device_attach(netdev); 3517 return err; 3518 } 3519 3520 err = qlcnic_up(adapter, netdev); 3521 if (err) 3522 goto done; 3523 3524 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3525 } 3526 done: 3527 netif_device_attach(netdev); 3528 return err; 3529 } 3530 3531 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3532 pci_channel_state_t state) 3533 { 3534 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3535 struct net_device *netdev = adapter->netdev; 3536 3537 if (state == pci_channel_io_perm_failure) 3538 return PCI_ERS_RESULT_DISCONNECT; 3539 3540 if (state == pci_channel_io_normal) 3541 return PCI_ERS_RESULT_RECOVERED; 3542 3543 set_bit(__QLCNIC_AER, &adapter->state); 3544 netif_device_detach(netdev); 3545 3546 cancel_delayed_work_sync(&adapter->fw_work); 3547 3548 if (netif_running(netdev)) 3549 qlcnic_down(adapter, netdev); 3550 3551 qlcnic_detach(adapter); 3552 qlcnic_teardown_intr(adapter); 3553 3554 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3555 3556 pci_save_state(pdev); 3557 pci_disable_device(pdev); 3558 3559 return PCI_ERS_RESULT_NEED_RESET; 3560 } 3561 3562 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3563 { 3564 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3565 PCI_ERS_RESULT_RECOVERED; 3566 } 3567 3568 void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3569 { 3570 u32 state; 3571 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3572 3573 pci_cleanup_aer_uncorrect_error_status(pdev); 3574 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3575 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3576 &adapter->state)) 3577 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3578 FW_POLL_DELAY); 3579 } 3580 3581 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3582 pci_channel_state_t state) 3583 { 3584 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3585 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3586 3587 if (hw_ops->io_error_detected) { 3588 return hw_ops->io_error_detected(pdev, state); 3589 } else { 3590 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3591 return PCI_ERS_RESULT_DISCONNECT; 3592 } 3593 } 3594 3595 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3596 { 3597 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3598 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3599 3600 if (hw_ops->io_slot_reset) { 3601 return hw_ops->io_slot_reset(pdev); 3602 } else { 3603 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3604 return PCI_ERS_RESULT_DISCONNECT; 3605 } 3606 } 3607 3608 static void qlcnic_io_resume(struct pci_dev *pdev) 3609 { 3610 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3611 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3612 3613 if (hw_ops->io_resume) 3614 hw_ops->io_resume(pdev); 3615 else 3616 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3617 } 3618 3619 3620 static int 3621 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3622 { 3623 int err; 3624 3625 err = qlcnic_can_start_firmware(adapter); 3626 if (err) 3627 return err; 3628 3629 err = qlcnic_check_npar_opertional(adapter); 3630 if (err) 3631 return err; 3632 3633 err = qlcnic_initialize_nic(adapter); 3634 if (err) 3635 return err; 3636 3637 qlcnic_check_options(adapter); 3638 3639 err = qlcnic_set_eswitch_port_config(adapter); 3640 if (err) 3641 return err; 3642 3643 adapter->need_fw_reset = 0; 3644 3645 return err; 3646 } 3647 3648 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq) 3649 { 3650 struct net_device *netdev = adapter->netdev; 3651 u8 max_hw = QLCNIC_MAX_TX_RINGS; 3652 u32 max_allowed; 3653 3654 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3655 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n"); 3656 return -EINVAL; 3657 } 3658 3659 if (!qlcnic_check_multi_tx(adapter)) { 3660 netdev_err(netdev, "No Multi TX-Q support\n"); 3661 return -EINVAL; 3662 } 3663 3664 if (txq > QLCNIC_MAX_TX_RINGS) { 3665 netdev_err(netdev, "Invalid ring count\n"); 3666 return -EINVAL; 3667 } 3668 3669 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3670 num_online_cpus())); 3671 if ((txq > max_allowed) || !is_power_of_2(txq)) { 3672 if (!is_power_of_2(txq)) 3673 netdev_err(netdev, 3674 "TX queue should be a power of 2\n"); 3675 if (txq > num_online_cpus()) 3676 netdev_err(netdev, 3677 "Tx queue should not be higher than [%u], number of online CPUs in the system\n", 3678 num_online_cpus()); 3679 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq); 3680 return -EINVAL; 3681 } 3682 3683 return 0; 3684 } 3685 3686 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3687 __u32 val) 3688 { 3689 struct net_device *netdev = adapter->netdev; 3690 u8 max_hw = adapter->ahw->max_rx_ques; 3691 u32 max_allowed; 3692 3693 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3694 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3695 return -EINVAL; 3696 } 3697 3698 if (val > QLCNIC_MAX_SDS_RINGS) { 3699 netdev_err(netdev, "RSS value should not be higher than %u\n", 3700 QLCNIC_MAX_SDS_RINGS); 3701 return -EINVAL; 3702 } 3703 3704 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3705 num_online_cpus())); 3706 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3707 if (!is_power_of_2(val)) 3708 netdev_err(netdev, "RSS value should be a power of 2\n"); 3709 3710 if (val < 2) 3711 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3712 3713 if (val > max_hw) 3714 netdev_err(netdev, 3715 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3716 max_hw); 3717 3718 if (val > num_online_cpus()) 3719 netdev_err(netdev, 3720 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3721 num_online_cpus()); 3722 3723 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3724 3725 return -EINVAL; 3726 } 3727 return 0; 3728 } 3729 3730 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq) 3731 { 3732 int err; 3733 struct net_device *netdev = adapter->netdev; 3734 int num_msix; 3735 3736 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3737 return -EBUSY; 3738 3739 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x && 3740 !qlcnic_use_msi) { 3741 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3742 return -EINVAL; 3743 } 3744 3745 netif_device_detach(netdev); 3746 if (netif_running(netdev)) 3747 __qlcnic_down(adapter, netdev); 3748 3749 qlcnic_detach(adapter); 3750 3751 if (qlcnic_82xx_check(adapter)) { 3752 if (txq != 0) 3753 adapter->max_drv_tx_rings = txq; 3754 3755 if (qlcnic_check_multi_tx(adapter) && 3756 (txq > adapter->max_drv_tx_rings)) 3757 num_msix = adapter->max_drv_tx_rings; 3758 else 3759 num_msix = data; 3760 } 3761 3762 if (qlcnic_83xx_check(adapter)) { 3763 qlcnic_83xx_free_mbx_intr(adapter); 3764 qlcnic_83xx_enable_mbx_poll(adapter); 3765 } 3766 3767 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings); 3768 3769 qlcnic_teardown_intr(adapter); 3770 3771 err = qlcnic_setup_intr(adapter, data, txq); 3772 if (err) { 3773 kfree(adapter->msix_entries); 3774 netdev_err(netdev, "failed to setup interrupt\n"); 3775 return err; 3776 } 3777 3778 if (qlcnic_83xx_check(adapter)) { 3779 /* register for NIC IDC AEN Events */ 3780 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3781 err = qlcnic_83xx_setup_mbx_intr(adapter); 3782 qlcnic_83xx_disable_mbx_poll(adapter); 3783 if (err) { 3784 dev_err(&adapter->pdev->dev, 3785 "failed to setup mbx interrupt\n"); 3786 goto done; 3787 } 3788 } 3789 3790 if (netif_running(netdev)) { 3791 err = qlcnic_attach(adapter); 3792 if (err) 3793 goto done; 3794 err = __qlcnic_up(adapter, netdev); 3795 if (err) 3796 goto done; 3797 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3798 } 3799 done: 3800 netif_device_attach(netdev); 3801 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3802 return err; 3803 } 3804 3805 #ifdef CONFIG_INET 3806 3807 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3808 3809 static void 3810 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3811 struct net_device *dev, unsigned long event) 3812 { 3813 struct in_device *indev; 3814 3815 indev = in_dev_get(dev); 3816 if (!indev) 3817 return; 3818 3819 for_ifa(indev) { 3820 switch (event) { 3821 case NETDEV_UP: 3822 qlcnic_config_ipaddr(adapter, 3823 ifa->ifa_address, QLCNIC_IP_UP); 3824 break; 3825 case NETDEV_DOWN: 3826 qlcnic_config_ipaddr(adapter, 3827 ifa->ifa_address, QLCNIC_IP_DOWN); 3828 break; 3829 default: 3830 break; 3831 } 3832 } endfor_ifa(indev); 3833 3834 in_dev_put(indev); 3835 } 3836 3837 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3838 { 3839 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3840 struct net_device *dev; 3841 u16 vid; 3842 3843 qlcnic_config_indev_addr(adapter, netdev, event); 3844 3845 rcu_read_lock(); 3846 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3847 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3848 if (!dev) 3849 continue; 3850 qlcnic_config_indev_addr(adapter, dev, event); 3851 } 3852 rcu_read_unlock(); 3853 } 3854 3855 static int qlcnic_netdev_event(struct notifier_block *this, 3856 unsigned long event, void *ptr) 3857 { 3858 struct qlcnic_adapter *adapter; 3859 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3860 3861 recheck: 3862 if (dev == NULL) 3863 goto done; 3864 3865 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3866 dev = vlan_dev_real_dev(dev); 3867 goto recheck; 3868 } 3869 3870 if (!is_qlcnic_netdev(dev)) 3871 goto done; 3872 3873 adapter = netdev_priv(dev); 3874 3875 if (!adapter) 3876 goto done; 3877 3878 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3879 goto done; 3880 3881 qlcnic_config_indev_addr(adapter, dev, event); 3882 done: 3883 return NOTIFY_DONE; 3884 } 3885 3886 static int 3887 qlcnic_inetaddr_event(struct notifier_block *this, 3888 unsigned long event, void *ptr) 3889 { 3890 struct qlcnic_adapter *adapter; 3891 struct net_device *dev; 3892 3893 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3894 3895 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3896 3897 recheck: 3898 if (dev == NULL) 3899 goto done; 3900 3901 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3902 dev = vlan_dev_real_dev(dev); 3903 goto recheck; 3904 } 3905 3906 if (!is_qlcnic_netdev(dev)) 3907 goto done; 3908 3909 adapter = netdev_priv(dev); 3910 3911 if (!adapter) 3912 goto done; 3913 3914 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3915 goto done; 3916 3917 switch (event) { 3918 case NETDEV_UP: 3919 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3920 3921 break; 3922 case NETDEV_DOWN: 3923 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3924 3925 break; 3926 default: 3927 break; 3928 } 3929 3930 done: 3931 return NOTIFY_DONE; 3932 } 3933 3934 static struct notifier_block qlcnic_netdev_cb = { 3935 .notifier_call = qlcnic_netdev_event, 3936 }; 3937 3938 static struct notifier_block qlcnic_inetaddr_cb = { 3939 .notifier_call = qlcnic_inetaddr_event, 3940 }; 3941 #else 3942 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3943 { } 3944 #endif 3945 static const struct pci_error_handlers qlcnic_err_handler = { 3946 .error_detected = qlcnic_io_error_detected, 3947 .slot_reset = qlcnic_io_slot_reset, 3948 .resume = qlcnic_io_resume, 3949 }; 3950 3951 static struct pci_driver qlcnic_driver = { 3952 .name = qlcnic_driver_name, 3953 .id_table = qlcnic_pci_tbl, 3954 .probe = qlcnic_probe, 3955 .remove = qlcnic_remove, 3956 #ifdef CONFIG_PM 3957 .suspend = qlcnic_suspend, 3958 .resume = qlcnic_resume, 3959 #endif 3960 .shutdown = qlcnic_shutdown, 3961 .err_handler = &qlcnic_err_handler, 3962 #ifdef CONFIG_QLCNIC_SRIOV 3963 .sriov_configure = qlcnic_pci_sriov_configure, 3964 #endif 3965 3966 }; 3967 3968 static int __init qlcnic_init_module(void) 3969 { 3970 int ret; 3971 3972 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3973 3974 #ifdef CONFIG_INET 3975 register_netdevice_notifier(&qlcnic_netdev_cb); 3976 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3977 #endif 3978 3979 ret = pci_register_driver(&qlcnic_driver); 3980 if (ret) { 3981 #ifdef CONFIG_INET 3982 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3983 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3984 #endif 3985 } 3986 3987 return ret; 3988 } 3989 3990 module_init(qlcnic_init_module); 3991 3992 static void __exit qlcnic_exit_module(void) 3993 { 3994 pci_unregister_driver(&qlcnic_driver); 3995 3996 #ifdef CONFIG_INET 3997 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3998 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3999 #endif 4000 } 4001 4002 module_exit(qlcnic_exit_module); 4003