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