1aa43c215SJeff Kirsher /* 2aa43c215SJeff Kirsher * QLogic qlcnic NIC Driver 3577ae39dSJitendra Kalsaria * Copyright (c) 2009-2013 QLogic Corporation 4aa43c215SJeff Kirsher * 5aa43c215SJeff Kirsher * See LICENSE.qlcnic for copyright and licensing details. 6aa43c215SJeff Kirsher */ 7aa43c215SJeff Kirsher 8aa43c215SJeff Kirsher #include <linux/vmalloc.h> 9aa43c215SJeff Kirsher #include <linux/interrupt.h> 10aa43c215SJeff Kirsher 11aa43c215SJeff Kirsher #include "qlcnic.h" 12a15ebd37SHimanshu Madhani #include "qlcnic_hw.h" 13aa43c215SJeff Kirsher 14aa43c215SJeff Kirsher #include <linux/swab.h> 15aa43c215SJeff Kirsher #include <linux/dma-mapping.h> 1613159183SSony Chacko #include <linux/if_vlan.h> 17aa43c215SJeff Kirsher #include <net/ip.h> 18aa43c215SJeff Kirsher #include <linux/ipv6.h> 19aa43c215SJeff Kirsher #include <linux/inetdevice.h> 20aa43c215SJeff Kirsher #include <linux/aer.h> 21aa43c215SJeff Kirsher #include <linux/log2.h> 2247caf255SStephen Rothwell #include <linux/pci.h> 23aa43c215SJeff Kirsher 24aa43c215SJeff Kirsher MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 25aa43c215SJeff Kirsher MODULE_LICENSE("GPL"); 26aa43c215SJeff Kirsher MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 27aa43c215SJeff Kirsher MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 28aa43c215SJeff Kirsher 29aa43c215SJeff Kirsher char qlcnic_driver_name[] = "qlcnic"; 30aa43c215SJeff Kirsher static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 31aa43c215SJeff Kirsher "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 32aa43c215SJeff Kirsher 33aa43c215SJeff Kirsher static int qlcnic_mac_learn; 34aa43c215SJeff Kirsher module_param(qlcnic_mac_learn, int, 0444); 35fe1adc6bSJitendra Kalsaria MODULE_PARM_DESC(qlcnic_mac_learn, 36fe1adc6bSJitendra Kalsaria "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 37aa43c215SJeff Kirsher 38629263acSSony Chacko int qlcnic_use_msi = 1; 39aa43c215SJeff Kirsher MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); 40099f7aa7SSony Chacko module_param_named(use_msi, qlcnic_use_msi, int, 0444); 41aa43c215SJeff Kirsher 42629263acSSony Chacko int qlcnic_use_msi_x = 1; 43aa43c215SJeff Kirsher MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); 44099f7aa7SSony Chacko module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 45aa43c215SJeff Kirsher 46629263acSSony Chacko int qlcnic_auto_fw_reset = 1; 47aa43c215SJeff Kirsher MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); 48099f7aa7SSony Chacko module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 49aa43c215SJeff Kirsher 50629263acSSony Chacko int qlcnic_load_fw_file; 51aa43c215SJeff Kirsher MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); 52099f7aa7SSony Chacko module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 53aa43c215SJeff Kirsher 54629263acSSony Chacko int qlcnic_config_npars; 55aa43c215SJeff Kirsher module_param(qlcnic_config_npars, int, 0444); 56aa43c215SJeff Kirsher MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); 57aa43c215SJeff Kirsher 581dd06ae8SGreg Kroah-Hartman static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 596bb58bb0SBill Pemberton static void qlcnic_remove(struct pci_dev *pdev); 60aa43c215SJeff Kirsher static int qlcnic_open(struct net_device *netdev); 61aa43c215SJeff Kirsher static int qlcnic_close(struct net_device *netdev); 62aa43c215SJeff Kirsher static void qlcnic_tx_timeout(struct net_device *netdev); 63aa43c215SJeff Kirsher static void qlcnic_attach_work(struct work_struct *work); 64aa43c215SJeff Kirsher static void qlcnic_fwinit_work(struct work_struct *work); 65aa43c215SJeff Kirsher static void qlcnic_fw_poll_work(struct work_struct *work); 66aa43c215SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 67aa43c215SJeff Kirsher static void qlcnic_poll_controller(struct net_device *netdev); 68aa43c215SJeff Kirsher #endif 69aa43c215SJeff Kirsher 70aa43c215SJeff Kirsher static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 71aa43c215SJeff Kirsher static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); 72aa43c215SJeff Kirsher static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 73aa43c215SJeff Kirsher 74aa43c215SJeff Kirsher static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 75aa43c215SJeff Kirsher static irqreturn_t qlcnic_intr(int irq, void *data); 76aa43c215SJeff Kirsher static irqreturn_t qlcnic_msi_intr(int irq, void *data); 77aa43c215SJeff Kirsher static irqreturn_t qlcnic_msix_intr(int irq, void *data); 7813159183SSony Chacko static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 79aa43c215SJeff Kirsher 80aa43c215SJeff Kirsher static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 81aa43c215SJeff Kirsher static int qlcnic_start_firmware(struct qlcnic_adapter *); 82aa43c215SJeff Kirsher 83aa43c215SJeff Kirsher static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 84aa43c215SJeff Kirsher static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 85aa43c215SJeff Kirsher static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 86aa43c215SJeff Kirsher static void qlcnic_set_netdev_features(struct qlcnic_adapter *, 87aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *); 888e586137SJiri Pirko static int qlcnic_vlan_rx_add(struct net_device *, u16); 898e586137SJiri Pirko static int qlcnic_vlan_rx_del(struct net_device *, u16); 90aa43c215SJeff Kirsher 91bff57d8eSSony Chacko #define QLCNIC_IS_TSO_CAPABLE(adapter) \ 92bff57d8eSSony Chacko ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) 93bff57d8eSSony Chacko 9413159183SSony Chacko static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 9513159183SSony Chacko { 9613159183SSony Chacko struct qlcnic_hardware_context *ahw = adapter->ahw; 9713159183SSony Chacko 9813159183SSony Chacko if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 9913159183SSony Chacko return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 10013159183SSony Chacko else 10113159183SSony Chacko return 1; 10213159183SSony Chacko } 10313159183SSony Chacko 104aa43c215SJeff Kirsher /* PCI Device ID Table */ 105aa43c215SJeff Kirsher #define ENTRY(device) \ 106aa43c215SJeff Kirsher {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 107aa43c215SJeff Kirsher .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 108aa43c215SJeff Kirsher 109aa43c215SJeff Kirsher static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 110aa43c215SJeff Kirsher ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 11113159183SSony Chacko ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 112aa43c215SJeff Kirsher {0,} 113aa43c215SJeff Kirsher }; 114aa43c215SJeff Kirsher 115aa43c215SJeff Kirsher MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 116aa43c215SJeff Kirsher 117aa43c215SJeff Kirsher 1185ad6ff9dSSony Chacko inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 119aa43c215SJeff Kirsher { 120aa43c215SJeff Kirsher writel(tx_ring->producer, tx_ring->crb_cmd_producer); 121aa43c215SJeff Kirsher } 122aa43c215SJeff Kirsher 123aa43c215SJeff Kirsher static const u32 msi_tgt_status[8] = { 124aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 125aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 126aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 127aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 128aa43c215SJeff Kirsher }; 129aa43c215SJeff Kirsher 1307e2cf4feSSony Chacko static const u32 qlcnic_reg_tbl[] = { 1317e2cf4feSSony Chacko 0x1B20A8, /* PEG_HALT_STAT1 */ 1327e2cf4feSSony Chacko 0x1B20AC, /* PEG_HALT_STAT2 */ 1337e2cf4feSSony Chacko 0x1B20B0, /* FW_HEARTBEAT */ 1347e2cf4feSSony Chacko 0x1B2100, /* LOCK ID */ 1357e2cf4feSSony Chacko 0x1B2128, /* FW_CAPABILITIES */ 1367e2cf4feSSony Chacko 0x1B2138, /* drv active */ 1377e2cf4feSSony Chacko 0x1B2140, /* dev state */ 1387e2cf4feSSony Chacko 0x1B2144, /* drv state */ 1397e2cf4feSSony Chacko 0x1B2148, /* drv scratch */ 1407e2cf4feSSony Chacko 0x1B214C, /* dev partition info */ 1417e2cf4feSSony Chacko 0x1B2174, /* drv idc ver */ 1427e2cf4feSSony Chacko 0x1B2150, /* fw version major */ 1437e2cf4feSSony Chacko 0x1B2154, /* fw version minor */ 1447e2cf4feSSony Chacko 0x1B2158, /* fw version sub */ 1457e2cf4feSSony Chacko 0x1B219C, /* npar state */ 1467e2cf4feSSony Chacko 0x1B21FC, /* FW_IMG_VALID */ 1477e2cf4feSSony Chacko 0x1B2250, /* CMD_PEG_STATE */ 1487e2cf4feSSony Chacko 0x1B233C, /* RCV_PEG_STATE */ 1497e2cf4feSSony Chacko 0x1B23B4, /* ASIC TEMP */ 1507e2cf4feSSony Chacko 0x1B216C, /* FW api */ 1517e2cf4feSSony Chacko 0x1B2170, /* drv op mode */ 1527e2cf4feSSony Chacko 0x13C010, /* flash lock */ 1537e2cf4feSSony Chacko 0x13C014, /* flash unlock */ 1547e2cf4feSSony Chacko }; 1557e2cf4feSSony Chacko 15622999798SSony Chacko static const struct qlcnic_board_info qlcnic_boards[] = { 15722999798SSony Chacko {0x1077, 0x8020, 0x1077, 0x203, 15822999798SSony Chacko "8200 Series Single Port 10GbE Converged Network Adapter" 15922999798SSony Chacko "(TCP/IP Networking)"}, 16022999798SSony Chacko {0x1077, 0x8020, 0x1077, 0x207, 16122999798SSony Chacko "8200 Series Dual Port 10GbE Converged Network Adapter" 16222999798SSony Chacko "(TCP/IP Networking)"}, 16322999798SSony Chacko {0x1077, 0x8020, 0x1077, 0x20b, 16422999798SSony Chacko "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"}, 16522999798SSony Chacko {0x1077, 0x8020, 0x1077, 0x20c, 16622999798SSony Chacko "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"}, 16722999798SSony Chacko {0x1077, 0x8020, 0x1077, 0x20f, 16822999798SSony Chacko "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"}, 16922999798SSony Chacko {0x1077, 0x8020, 0x103c, 0x3733, 17022999798SSony Chacko "NC523SFP 10Gb 2-port Server Adapter"}, 17122999798SSony Chacko {0x1077, 0x8020, 0x103c, 0x3346, 17222999798SSony Chacko "CN1000Q Dual Port Converged Network Adapter"}, 17322999798SSony Chacko {0x1077, 0x8020, 0x1077, 0x210, 17422999798SSony Chacko "QME8242-k 10GbE Dual Port Mezzanine Card"}, 17522999798SSony Chacko {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"}, 17622999798SSony Chacko }; 17722999798SSony Chacko 17822999798SSony Chacko #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 179319ecf12SSony Chacko #define QLC_MAX_SDS_RINGS 8 18022999798SSony Chacko 181aa43c215SJeff Kirsher static const 182aa43c215SJeff Kirsher struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 183aa43c215SJeff Kirsher 184c70001a9SSony Chacko int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 185aa43c215SJeff Kirsher { 186aa43c215SJeff Kirsher int size = sizeof(struct qlcnic_host_sds_ring) * count; 187aa43c215SJeff Kirsher 188aa43c215SJeff Kirsher recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 189aa43c215SJeff Kirsher 190aa43c215SJeff Kirsher return recv_ctx->sds_rings == NULL; 191aa43c215SJeff Kirsher } 192aa43c215SJeff Kirsher 193c70001a9SSony Chacko void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 194aa43c215SJeff Kirsher { 195aa43c215SJeff Kirsher if (recv_ctx->sds_rings != NULL) 196aa43c215SJeff Kirsher kfree(recv_ctx->sds_rings); 197aa43c215SJeff Kirsher 198aa43c215SJeff Kirsher recv_ctx->sds_rings = NULL; 199aa43c215SJeff Kirsher } 200aa43c215SJeff Kirsher 201aa43c215SJeff Kirsher static int 202aa43c215SJeff Kirsher qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 203aa43c215SJeff Kirsher { 204aa43c215SJeff Kirsher u8 mac_addr[ETH_ALEN]; 205aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 206aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 207aa43c215SJeff Kirsher 208aa43c215SJeff Kirsher if (qlcnic_get_mac_address(adapter, mac_addr) != 0) 209aa43c215SJeff Kirsher return -EIO; 210aa43c215SJeff Kirsher 211aa43c215SJeff Kirsher memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 212aa43c215SJeff Kirsher memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 213aa43c215SJeff Kirsher 214aa43c215SJeff Kirsher /* set station address */ 215aa43c215SJeff Kirsher 216aaeb6cdfSJiri Pirko if (!is_valid_ether_addr(netdev->dev_addr)) 217aa43c215SJeff Kirsher dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 218aa43c215SJeff Kirsher netdev->dev_addr); 219aa43c215SJeff Kirsher 220aa43c215SJeff Kirsher return 0; 221aa43c215SJeff Kirsher } 222aa43c215SJeff Kirsher 223aa43c215SJeff Kirsher static int qlcnic_set_mac(struct net_device *netdev, void *p) 224aa43c215SJeff Kirsher { 225aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 226aa43c215SJeff Kirsher struct sockaddr *addr = p; 227aa43c215SJeff Kirsher 228aa43c215SJeff Kirsher if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 229aa43c215SJeff Kirsher return -EOPNOTSUPP; 230aa43c215SJeff Kirsher 231aa43c215SJeff Kirsher if (!is_valid_ether_addr(addr->sa_data)) 23213159183SSony Chacko return -EINVAL; 233aa43c215SJeff Kirsher 234aa43c215SJeff Kirsher if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 235aa43c215SJeff Kirsher netif_device_detach(netdev); 236aa43c215SJeff Kirsher qlcnic_napi_disable(adapter); 237aa43c215SJeff Kirsher } 238aa43c215SJeff Kirsher 239aa43c215SJeff Kirsher memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 240aa43c215SJeff Kirsher memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 241aa43c215SJeff Kirsher qlcnic_set_multi(adapter->netdev); 242aa43c215SJeff Kirsher 243aa43c215SJeff Kirsher if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 244aa43c215SJeff Kirsher netif_device_attach(netdev); 245aa43c215SJeff Kirsher qlcnic_napi_enable(adapter); 246aa43c215SJeff Kirsher } 247aa43c215SJeff Kirsher return 0; 248aa43c215SJeff Kirsher } 249aa43c215SJeff Kirsher 2501690be63SVlad Yasevich static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 2511690be63SVlad Yasevich struct net_device *netdev, const unsigned char *addr) 252fe1adc6bSJitendra Kalsaria { 253fe1adc6bSJitendra Kalsaria struct qlcnic_adapter *adapter = netdev_priv(netdev); 254fe1adc6bSJitendra Kalsaria int err = -EOPNOTSUPP; 255fe1adc6bSJitendra Kalsaria 2563e5c112fSVlad Yasevich if (!adapter->fdb_mac_learn) 2573e5c112fSVlad Yasevich return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 258fe1adc6bSJitendra Kalsaria 259fe1adc6bSJitendra Kalsaria if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 260fe1adc6bSJitendra Kalsaria if (is_unicast_ether_addr(addr)) 261fe1adc6bSJitendra Kalsaria err = qlcnic_nic_del_mac(adapter, addr); 262fe1adc6bSJitendra Kalsaria else if (is_multicast_ether_addr(addr)) 263fe1adc6bSJitendra Kalsaria err = dev_mc_del(netdev, addr); 264fe1adc6bSJitendra Kalsaria else 265fe1adc6bSJitendra Kalsaria err = -EINVAL; 266fe1adc6bSJitendra Kalsaria } 267fe1adc6bSJitendra Kalsaria return err; 268fe1adc6bSJitendra Kalsaria } 269fe1adc6bSJitendra Kalsaria 270fe1adc6bSJitendra Kalsaria static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 271fe1adc6bSJitendra Kalsaria struct net_device *netdev, 272fe1adc6bSJitendra Kalsaria const unsigned char *addr, u16 flags) 273fe1adc6bSJitendra Kalsaria { 274fe1adc6bSJitendra Kalsaria struct qlcnic_adapter *adapter = netdev_priv(netdev); 275fe1adc6bSJitendra Kalsaria int err = 0; 276fe1adc6bSJitendra Kalsaria 2773e5c112fSVlad Yasevich if (!adapter->fdb_mac_learn) 2783e5c112fSVlad Yasevich return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 279fe1adc6bSJitendra Kalsaria 280fe1adc6bSJitendra Kalsaria if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 281fe1adc6bSJitendra Kalsaria pr_info("%s: FDB e-switch is not enabled\n", __func__); 282fe1adc6bSJitendra Kalsaria return -EOPNOTSUPP; 283fe1adc6bSJitendra Kalsaria } 284fe1adc6bSJitendra Kalsaria 285fe1adc6bSJitendra Kalsaria if (ether_addr_equal(addr, adapter->mac_addr)) 286fe1adc6bSJitendra Kalsaria return err; 287fe1adc6bSJitendra Kalsaria 288fe1adc6bSJitendra Kalsaria if (is_unicast_ether_addr(addr)) 289fe1adc6bSJitendra Kalsaria err = qlcnic_nic_add_mac(adapter, addr); 290fe1adc6bSJitendra Kalsaria else if (is_multicast_ether_addr(addr)) 291fe1adc6bSJitendra Kalsaria err = dev_mc_add_excl(netdev, addr); 292fe1adc6bSJitendra Kalsaria else 293fe1adc6bSJitendra Kalsaria err = -EINVAL; 294fe1adc6bSJitendra Kalsaria 295fe1adc6bSJitendra Kalsaria return err; 296fe1adc6bSJitendra Kalsaria } 297fe1adc6bSJitendra Kalsaria 298fe1adc6bSJitendra Kalsaria static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 299fe1adc6bSJitendra Kalsaria struct net_device *netdev, int idx) 300fe1adc6bSJitendra Kalsaria { 301fe1adc6bSJitendra Kalsaria struct qlcnic_adapter *adapter = netdev_priv(netdev); 302fe1adc6bSJitendra Kalsaria 3033e5c112fSVlad Yasevich if (!adapter->fdb_mac_learn) 3043e5c112fSVlad Yasevich return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 305fe1adc6bSJitendra Kalsaria 306fe1adc6bSJitendra Kalsaria if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 307fe1adc6bSJitendra Kalsaria idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 308fe1adc6bSJitendra Kalsaria 309fe1adc6bSJitendra Kalsaria return idx; 310fe1adc6bSJitendra Kalsaria } 311fe1adc6bSJitendra Kalsaria 3127e2cf4feSSony Chacko static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 3137e2cf4feSSony Chacko { 3147e2cf4feSSony Chacko while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 3157e2cf4feSSony Chacko usleep_range(10000, 11000); 3167e2cf4feSSony Chacko 3177e2cf4feSSony Chacko cancel_delayed_work_sync(&adapter->fw_work); 3187e2cf4feSSony Chacko } 3197e2cf4feSSony Chacko 320aa43c215SJeff Kirsher static const struct net_device_ops qlcnic_netdev_ops = { 321aa43c215SJeff Kirsher .ndo_open = qlcnic_open, 322aa43c215SJeff Kirsher .ndo_stop = qlcnic_close, 323aa43c215SJeff Kirsher .ndo_start_xmit = qlcnic_xmit_frame, 324aa43c215SJeff Kirsher .ndo_get_stats = qlcnic_get_stats, 325aa43c215SJeff Kirsher .ndo_validate_addr = eth_validate_addr, 326afc4b13dSJiri Pirko .ndo_set_rx_mode = qlcnic_set_multi, 327aa43c215SJeff Kirsher .ndo_set_mac_address = qlcnic_set_mac, 328aa43c215SJeff Kirsher .ndo_change_mtu = qlcnic_change_mtu, 329aa43c215SJeff Kirsher .ndo_fix_features = qlcnic_fix_features, 330aa43c215SJeff Kirsher .ndo_set_features = qlcnic_set_features, 331aa43c215SJeff Kirsher .ndo_tx_timeout = qlcnic_tx_timeout, 332aa43c215SJeff Kirsher .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 333aa43c215SJeff Kirsher .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 334fe1adc6bSJitendra Kalsaria .ndo_fdb_add = qlcnic_fdb_add, 335fe1adc6bSJitendra Kalsaria .ndo_fdb_del = qlcnic_fdb_del, 336fe1adc6bSJitendra Kalsaria .ndo_fdb_dump = qlcnic_fdb_dump, 337aa43c215SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 338aa43c215SJeff Kirsher .ndo_poll_controller = qlcnic_poll_controller, 339aa43c215SJeff Kirsher #endif 340aa43c215SJeff Kirsher }; 341aa43c215SJeff Kirsher 342b43e5ee7SSucheta Chakraborty static const struct net_device_ops qlcnic_netdev_failed_ops = { 343b43e5ee7SSucheta Chakraborty .ndo_open = qlcnic_open, 344b43e5ee7SSucheta Chakraborty }; 345b43e5ee7SSucheta Chakraborty 346aa43c215SJeff Kirsher static struct qlcnic_nic_template qlcnic_ops = { 347aa43c215SJeff Kirsher .config_bridged_mode = qlcnic_config_bridged_mode, 3487e2cf4feSSony Chacko .config_led = qlcnic_82xx_config_led, 3497e2cf4feSSony Chacko .start_firmware = qlcnic_82xx_start_firmware, 3507e2cf4feSSony Chacko .request_reset = qlcnic_82xx_dev_request_reset, 3517e2cf4feSSony Chacko .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 3527e2cf4feSSony Chacko .napi_add = qlcnic_82xx_napi_add, 3534be41e92SSony Chacko .napi_del = qlcnic_82xx_napi_del, 3547e2cf4feSSony Chacko .config_ipaddr = qlcnic_82xx_config_ipaddr, 3557e2cf4feSSony Chacko .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 356aa43c215SJeff Kirsher }; 357aa43c215SJeff Kirsher 3587e2cf4feSSony Chacko struct qlcnic_nic_template qlcnic_vf_ops = { 359aa43c215SJeff Kirsher .config_bridged_mode = qlcnicvf_config_bridged_mode, 360aa43c215SJeff Kirsher .config_led = qlcnicvf_config_led, 361aa43c215SJeff Kirsher .start_firmware = qlcnicvf_start_firmware 362aa43c215SJeff Kirsher }; 363aa43c215SJeff Kirsher 3647e2cf4feSSony Chacko static struct qlcnic_hardware_ops qlcnic_hw_ops = { 3657e2cf4feSSony Chacko .read_crb = qlcnic_82xx_read_crb, 3667e2cf4feSSony Chacko .write_crb = qlcnic_82xx_write_crb, 3677e2cf4feSSony Chacko .read_reg = qlcnic_82xx_hw_read_wx_2M, 3687e2cf4feSSony Chacko .write_reg = qlcnic_82xx_hw_write_wx_2M, 3697e2cf4feSSony Chacko .get_mac_address = qlcnic_82xx_get_mac_address, 3707e2cf4feSSony Chacko .setup_intr = qlcnic_82xx_setup_intr, 3717e2cf4feSSony Chacko .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 3727e2cf4feSSony Chacko .mbx_cmd = qlcnic_82xx_issue_cmd, 3737e2cf4feSSony Chacko .get_func_no = qlcnic_82xx_get_func_no, 3747e2cf4feSSony Chacko .api_lock = qlcnic_82xx_api_lock, 3757e2cf4feSSony Chacko .api_unlock = qlcnic_82xx_api_unlock, 3767e2cf4feSSony Chacko .add_sysfs = qlcnic_82xx_add_sysfs, 3777e2cf4feSSony Chacko .remove_sysfs = qlcnic_82xx_remove_sysfs, 3787e2cf4feSSony Chacko .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 3797e2cf4feSSony Chacko .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 3807e2cf4feSSony Chacko .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 3817e2cf4feSSony Chacko .setup_link_event = qlcnic_82xx_linkevent_request, 3827e2cf4feSSony Chacko .get_nic_info = qlcnic_82xx_get_nic_info, 3837e2cf4feSSony Chacko .get_pci_info = qlcnic_82xx_get_pci_info, 3847e2cf4feSSony Chacko .set_nic_info = qlcnic_82xx_set_nic_info, 3857e2cf4feSSony Chacko .change_macvlan = qlcnic_82xx_sre_macaddr_change, 3867e2cf4feSSony Chacko .napi_enable = qlcnic_82xx_napi_enable, 3877e2cf4feSSony Chacko .napi_disable = qlcnic_82xx_napi_disable, 3887e2cf4feSSony Chacko .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 3897e2cf4feSSony Chacko .config_rss = qlcnic_82xx_config_rss, 3907e2cf4feSSony Chacko .config_hw_lro = qlcnic_82xx_config_hw_lro, 3917e2cf4feSSony Chacko .config_loopback = qlcnic_82xx_set_lb_mode, 3927e2cf4feSSony Chacko .clear_loopback = qlcnic_82xx_clear_lb_mode, 3937e2cf4feSSony Chacko .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 3947e2cf4feSSony Chacko .change_l2_filter = qlcnic_82xx_change_filter, 3957e2cf4feSSony Chacko .get_board_info = qlcnic_82xx_get_board_info, 3967e2cf4feSSony Chacko }; 3977e2cf4feSSony Chacko 3987f966452SSony Chacko int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 399aa43c215SJeff Kirsher { 400aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 40113159183SSony Chacko int err = -1, i; 40213159183SSony Chacko int max_tx_rings; 40313159183SSony Chacko 40413159183SSony Chacko if (!adapter->msix_entries) { 40513159183SSony Chacko adapter->msix_entries = kcalloc(num_msix, 40613159183SSony Chacko sizeof(struct msix_entry), 40713159183SSony Chacko GFP_KERNEL); 408b2adaca9SJoe Perches if (!adapter->msix_entries) 40913159183SSony Chacko return -ENOMEM; 41013159183SSony Chacko } 411aa43c215SJeff Kirsher 412aa43c215SJeff Kirsher adapter->max_sds_rings = 1; 413aa43c215SJeff Kirsher adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 414aa43c215SJeff Kirsher 41579788450SSony Chacko if (adapter->ahw->msix_supported) { 416aa43c215SJeff Kirsher enable_msix: 41713159183SSony Chacko for (i = 0; i < num_msix; i++) 41813159183SSony Chacko adapter->msix_entries[i].entry = i; 419aa43c215SJeff Kirsher err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 420aa43c215SJeff Kirsher if (err == 0) { 421aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MSIX_ENABLED; 42213159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 42313159183SSony Chacko adapter->ahw->num_msix = num_msix; 42413159183SSony Chacko /* subtract mail box and tx ring vectors */ 42513159183SSony Chacko max_tx_rings = adapter->max_drv_tx_rings; 42613159183SSony Chacko adapter->max_sds_rings = num_msix - 42713159183SSony Chacko max_tx_rings - 1; 42813159183SSony Chacko } else { 429aa43c215SJeff Kirsher adapter->max_sds_rings = num_msix; 43013159183SSony Chacko } 431aa43c215SJeff Kirsher dev_info(&pdev->dev, "using msi-x interrupts\n"); 432aa43c215SJeff Kirsher return err; 43313159183SSony Chacko } else if (err > 0) { 43413159183SSony Chacko dev_info(&pdev->dev, 43513159183SSony Chacko "Unable to allocate %d MSI-X interrupt vectors\n", 43613159183SSony Chacko num_msix); 43713159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 43813159183SSony Chacko if (err < QLC_83XX_MINIMUM_VECTOR) 43913159183SSony Chacko return err; 44013159183SSony Chacko err -= (adapter->max_drv_tx_rings + 1); 441aa43c215SJeff Kirsher num_msix = rounddown_pow_of_two(err); 44213159183SSony Chacko num_msix += (adapter->max_drv_tx_rings + 1); 44313159183SSony Chacko } else { 44413159183SSony Chacko num_msix = rounddown_pow_of_two(err); 44513159183SSony Chacko } 44613159183SSony Chacko 44713159183SSony Chacko if (num_msix) { 44813159183SSony Chacko dev_info(&pdev->dev, 449dce056cbSManish Chopra "Trying to allocate %d MSI-X interrupt vectors\n", 45013159183SSony Chacko num_msix); 451aa43c215SJeff Kirsher goto enable_msix; 452aa43c215SJeff Kirsher } 45313159183SSony Chacko } else { 454dce056cbSManish Chopra dev_info(&pdev->dev, 455dce056cbSManish Chopra "Unable to allocate %d MSI-X interrupt vectors\n", 45613159183SSony Chacko num_msix); 457aa43c215SJeff Kirsher } 45813159183SSony Chacko } 45913159183SSony Chacko 460aa43c215SJeff Kirsher return err; 461aa43c215SJeff Kirsher } 462aa43c215SJeff Kirsher 4639a97e705SManish chopra static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 464aa43c215SJeff Kirsher { 4659a97e705SManish chopra int err = 0; 46615087c2bSSony Chacko u32 offset, mask_reg; 467aa43c215SJeff Kirsher const struct qlcnic_legacy_intr_set *legacy_intrp; 46815087c2bSSony Chacko struct qlcnic_hardware_context *ahw = adapter->ahw; 469aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 470aa43c215SJeff Kirsher 471099f7aa7SSony Chacko if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 472aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MSI_ENABLED; 47315087c2bSSony Chacko offset = msi_tgt_status[adapter->ahw->pci_func]; 47415087c2bSSony Chacko adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 47515087c2bSSony Chacko offset); 476aa43c215SJeff Kirsher dev_info(&pdev->dev, "using msi interrupts\n"); 477aa43c215SJeff Kirsher adapter->msix_entries[0].vector = pdev->irq; 4789a97e705SManish chopra return err; 479aa43c215SJeff Kirsher } 4809a97e705SManish chopra if (qlcnic_use_msi || qlcnic_use_msi_x) 4819a97e705SManish chopra return -EOPNOTSUPP; 482aa43c215SJeff Kirsher 483aa43c215SJeff Kirsher legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 48479788450SSony Chacko adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 48515087c2bSSony Chacko offset = legacy_intrp->tgt_status_reg; 48615087c2bSSony Chacko adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 48715087c2bSSony Chacko mask_reg = legacy_intrp->tgt_mask_reg; 48815087c2bSSony Chacko adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 48915087c2bSSony Chacko adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 49015087c2bSSony Chacko adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 491aa43c215SJeff Kirsher dev_info(&pdev->dev, "using legacy interrupts\n"); 492aa43c215SJeff Kirsher adapter->msix_entries[0].vector = pdev->irq; 4939a97e705SManish chopra return err; 494aa43c215SJeff Kirsher } 495aa43c215SJeff Kirsher 4967e2cf4feSSony Chacko int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr) 497aa43c215SJeff Kirsher { 4989a97e705SManish chopra int num_msix, err = 0; 499aa43c215SJeff Kirsher 5007e2cf4feSSony Chacko if (!num_intr) 5017e2cf4feSSony Chacko num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 5027e2cf4feSSony Chacko 5037e2cf4feSSony Chacko if (adapter->ahw->msix_supported) 504aa43c215SJeff Kirsher num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 5057e2cf4feSSony Chacko num_intr)); 5067e2cf4feSSony Chacko else 507aa43c215SJeff Kirsher num_msix = 1; 508aa43c215SJeff Kirsher 5097e2cf4feSSony Chacko err = qlcnic_enable_msix(adapter, num_msix); 5107e2cf4feSSony Chacko if (err == -ENOMEM || !err) 5117e2cf4feSSony Chacko return err; 512aa43c215SJeff Kirsher 5139a97e705SManish chopra err = qlcnic_enable_msi_legacy(adapter); 5149a97e705SManish chopra if (!err) 5159a97e705SManish chopra return err; 5169a97e705SManish chopra 5179a97e705SManish chopra return -EIO; 518aa43c215SJeff Kirsher } 51913159183SSony Chacko 520319ecf12SSony Chacko void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 521aa43c215SJeff Kirsher { 522aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSIX_ENABLED) 523aa43c215SJeff Kirsher pci_disable_msix(adapter->pdev); 524aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSI_ENABLED) 525aa43c215SJeff Kirsher pci_disable_msi(adapter->pdev); 52613159183SSony Chacko 52713159183SSony Chacko kfree(adapter->msix_entries); 52813159183SSony Chacko adapter->msix_entries = NULL; 52913159183SSony Chacko 53013159183SSony Chacko if (adapter->ahw->intr_tbl) { 53113159183SSony Chacko vfree(adapter->ahw->intr_tbl); 53213159183SSony Chacko adapter->ahw->intr_tbl = NULL; 53313159183SSony Chacko } 534aa43c215SJeff Kirsher } 535aa43c215SJeff Kirsher 536aa43c215SJeff Kirsher static void 537aa43c215SJeff Kirsher qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) 538aa43c215SJeff Kirsher { 539aa43c215SJeff Kirsher if (adapter->ahw->pci_base0 != NULL) 540aa43c215SJeff Kirsher iounmap(adapter->ahw->pci_base0); 541aa43c215SJeff Kirsher } 542aa43c215SJeff Kirsher 5437e2cf4feSSony Chacko static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 5447e2cf4feSSony Chacko { 5457e2cf4feSSony Chacko struct qlcnic_pci_info *pci_info; 5467e2cf4feSSony Chacko int ret; 5477e2cf4feSSony Chacko 5487e2cf4feSSony Chacko if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 5497e2cf4feSSony Chacko switch (adapter->ahw->port_type) { 5507e2cf4feSSony Chacko case QLCNIC_GBE: 5517e2cf4feSSony Chacko adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 5527e2cf4feSSony Chacko break; 5537e2cf4feSSony Chacko case QLCNIC_XGBE: 5547e2cf4feSSony Chacko adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 5557e2cf4feSSony Chacko break; 5567e2cf4feSSony Chacko } 5577e2cf4feSSony Chacko return 0; 5587e2cf4feSSony Chacko } 5597e2cf4feSSony Chacko 5607e2cf4feSSony Chacko if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 5617e2cf4feSSony Chacko return 0; 5627e2cf4feSSony Chacko 5637e2cf4feSSony Chacko pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 5647e2cf4feSSony Chacko if (!pci_info) 5657e2cf4feSSony Chacko return -ENOMEM; 5667e2cf4feSSony Chacko 5677e2cf4feSSony Chacko ret = qlcnic_get_pci_info(adapter, pci_info); 5687e2cf4feSSony Chacko kfree(pci_info); 5697e2cf4feSSony Chacko return ret; 5707e2cf4feSSony Chacko } 571d71170fbSSony Chacko 572d71170fbSSony Chacko int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 573aa43c215SJeff Kirsher { 574aa43c215SJeff Kirsher struct qlcnic_pci_info *pci_info; 575bff57d8eSSony Chacko int i, ret = 0, j = 0; 576bff57d8eSSony Chacko u16 act_pci_func; 577aa43c215SJeff Kirsher u8 pfn; 578aa43c215SJeff Kirsher 579aa43c215SJeff Kirsher pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 580aa43c215SJeff Kirsher if (!pci_info) 581aa43c215SJeff Kirsher return -ENOMEM; 582aa43c215SJeff Kirsher 583bff57d8eSSony Chacko ret = qlcnic_get_pci_info(adapter, pci_info); 584bff57d8eSSony Chacko if (ret) 585bff57d8eSSony Chacko goto err_pci_info; 586bff57d8eSSony Chacko 587bff57d8eSSony Chacko act_pci_func = adapter->ahw->act_pci_func; 588bff57d8eSSony Chacko 589aa43c215SJeff Kirsher adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 590bff57d8eSSony Chacko act_pci_func, GFP_KERNEL); 591aa43c215SJeff Kirsher if (!adapter->npars) { 592aa43c215SJeff Kirsher ret = -ENOMEM; 593aa43c215SJeff Kirsher goto err_pci_info; 594aa43c215SJeff Kirsher } 595aa43c215SJeff Kirsher 596aa43c215SJeff Kirsher adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 597aa43c215SJeff Kirsher QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 598aa43c215SJeff Kirsher if (!adapter->eswitch) { 599aa43c215SJeff Kirsher ret = -ENOMEM; 600aa43c215SJeff Kirsher goto err_npars; 601aa43c215SJeff Kirsher } 602aa43c215SJeff Kirsher 603aa43c215SJeff Kirsher for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 604aa43c215SJeff Kirsher pfn = pci_info[i].id; 605bff57d8eSSony Chacko 6060f6efff9SDan Carpenter if (pfn >= QLCNIC_MAX_PCI_FUNC) { 607aa43c215SJeff Kirsher ret = QL_STATUS_INVALID_PARAM; 608aa43c215SJeff Kirsher goto err_eswitch; 609aa43c215SJeff Kirsher } 610bff57d8eSSony Chacko 611bff57d8eSSony Chacko if (!pci_info[i].active || 612bff57d8eSSony Chacko (pci_info[i].type != QLCNIC_TYPE_NIC)) 613bff57d8eSSony Chacko continue; 614bff57d8eSSony Chacko 615bff57d8eSSony Chacko adapter->npars[j].pci_func = pfn; 616bff57d8eSSony Chacko adapter->npars[j].active = (u8)pci_info[i].active; 617bff57d8eSSony Chacko adapter->npars[j].type = (u8)pci_info[i].type; 618bff57d8eSSony Chacko adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 619bff57d8eSSony Chacko adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 620bff57d8eSSony Chacko adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 621bff57d8eSSony Chacko j++; 622aa43c215SJeff Kirsher } 623aa43c215SJeff Kirsher 62413159183SSony Chacko for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) { 625aa43c215SJeff Kirsher adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 62613159183SSony Chacko if (qlcnic_83xx_check(adapter)) 62713159183SSony Chacko qlcnic_enable_eswitch(adapter, i, 1); 62813159183SSony Chacko } 629aa43c215SJeff Kirsher 630aa43c215SJeff Kirsher kfree(pci_info); 631aa43c215SJeff Kirsher return 0; 632aa43c215SJeff Kirsher 633aa43c215SJeff Kirsher err_eswitch: 634aa43c215SJeff Kirsher kfree(adapter->eswitch); 635aa43c215SJeff Kirsher adapter->eswitch = NULL; 636aa43c215SJeff Kirsher err_npars: 637aa43c215SJeff Kirsher kfree(adapter->npars); 638aa43c215SJeff Kirsher adapter->npars = NULL; 639aa43c215SJeff Kirsher err_pci_info: 640aa43c215SJeff Kirsher kfree(pci_info); 641aa43c215SJeff Kirsher 642aa43c215SJeff Kirsher return ret; 643aa43c215SJeff Kirsher } 644aa43c215SJeff Kirsher 645aa43c215SJeff Kirsher static int 646aa43c215SJeff Kirsher qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 647aa43c215SJeff Kirsher { 648aa43c215SJeff Kirsher u8 id; 649aa43c215SJeff Kirsher int i, ret = 1; 650aa43c215SJeff Kirsher u32 data = QLCNIC_MGMT_FUNC; 651bff57d8eSSony Chacko struct qlcnic_hardware_context *ahw = adapter->ahw; 652aa43c215SJeff Kirsher 653aa43c215SJeff Kirsher ret = qlcnic_api_lock(adapter); 654aa43c215SJeff Kirsher if (ret) 655aa43c215SJeff Kirsher goto err_lock; 656aa43c215SJeff Kirsher 657aa43c215SJeff Kirsher if (qlcnic_config_npars) { 658bff57d8eSSony Chacko for (i = 0; i < ahw->act_pci_func; i++) { 659bff57d8eSSony Chacko id = adapter->npars[i].pci_func; 660bff57d8eSSony Chacko if (id == ahw->pci_func) 661aa43c215SJeff Kirsher continue; 662aa43c215SJeff Kirsher data |= (qlcnic_config_npars & 663aa43c215SJeff Kirsher QLC_DEV_SET_DRV(0xf, id)); 664aa43c215SJeff Kirsher } 665aa43c215SJeff Kirsher } else { 666a15ebd37SHimanshu Madhani data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 667bff57d8eSSony Chacko data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) | 668aa43c215SJeff Kirsher (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, 669bff57d8eSSony Chacko ahw->pci_func)); 670aa43c215SJeff Kirsher } 671a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 672aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 673aa43c215SJeff Kirsher err_lock: 674aa43c215SJeff Kirsher return ret; 675aa43c215SJeff Kirsher } 676aa43c215SJeff Kirsher 67713159183SSony Chacko static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 67813159183SSony Chacko const struct pci_device_id *ent) 679aa43c215SJeff Kirsher { 680aa43c215SJeff Kirsher u32 op_mode, priv_level; 681aa43c215SJeff Kirsher 682aa43c215SJeff Kirsher /* Determine FW API version */ 68313159183SSony Chacko adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 684aa43c215SJeff Kirsher QLCNIC_FW_API); 685aa43c215SJeff Kirsher 686aa43c215SJeff Kirsher /* Find PCI function number */ 68713159183SSony Chacko qlcnic_get_func_no(adapter); 688aa43c215SJeff Kirsher 689aa43c215SJeff Kirsher /* Determine function privilege level */ 69013159183SSony Chacko op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 691aa43c215SJeff Kirsher if (op_mode == QLC_DEV_DRV_DEFAULT) 692aa43c215SJeff Kirsher priv_level = QLCNIC_MGMT_FUNC; 693aa43c215SJeff Kirsher else 694aa43c215SJeff Kirsher priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 695aa43c215SJeff Kirsher 696aa43c215SJeff Kirsher if (priv_level == QLCNIC_NON_PRIV_FUNC) { 69779788450SSony Chacko adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 698aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 699aa43c215SJeff Kirsher "HAL Version: %d Non Privileged function\n", 70079788450SSony Chacko adapter->ahw->fw_hal_version); 701aa43c215SJeff Kirsher adapter->nic_ops = &qlcnic_vf_ops; 702aa43c215SJeff Kirsher } else 703aa43c215SJeff Kirsher adapter->nic_ops = &qlcnic_ops; 704aa43c215SJeff Kirsher } 705aa43c215SJeff Kirsher 70615087c2bSSony Chacko #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 70713159183SSony Chacko #define QLCNIC_83XX_BAR0_LENGTH 0x4000 70815087c2bSSony Chacko static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 709aa43c215SJeff Kirsher { 71015087c2bSSony Chacko switch (dev_id) { 71115087c2bSSony Chacko case PCI_DEVICE_ID_QLOGIC_QLE824X: 71215087c2bSSony Chacko *bar = QLCNIC_82XX_BAR0_LENGTH; 71315087c2bSSony Chacko break; 71413159183SSony Chacko case PCI_DEVICE_ID_QLOGIC_QLE834X: 71513159183SSony Chacko *bar = QLCNIC_83XX_BAR0_LENGTH; 71613159183SSony Chacko break; 71715087c2bSSony Chacko default: 71815087c2bSSony Chacko *bar = 0; 71915087c2bSSony Chacko } 72015087c2bSSony Chacko } 72115087c2bSSony Chacko 72215087c2bSSony Chacko static int qlcnic_setup_pci_map(struct pci_dev *pdev, 72315087c2bSSony Chacko struct qlcnic_hardware_context *ahw) 72415087c2bSSony Chacko { 72515087c2bSSony Chacko u32 offset; 726aa43c215SJeff Kirsher void __iomem *mem_ptr0 = NULL; 72715087c2bSSony Chacko unsigned long mem_len, pci_len0 = 0, bar0_len; 728aa43c215SJeff Kirsher 729aa43c215SJeff Kirsher /* remap phys address */ 730aa43c215SJeff Kirsher mem_len = pci_resource_len(pdev, 0); 731aa43c215SJeff Kirsher 73215087c2bSSony Chacko qlcnic_get_bar_length(pdev->device, &bar0_len); 73315087c2bSSony Chacko if (mem_len >= bar0_len) { 734aa43c215SJeff Kirsher 735aa43c215SJeff Kirsher mem_ptr0 = pci_ioremap_bar(pdev, 0); 736aa43c215SJeff Kirsher if (mem_ptr0 == NULL) { 737aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 738aa43c215SJeff Kirsher return -EIO; 739aa43c215SJeff Kirsher } 740aa43c215SJeff Kirsher pci_len0 = mem_len; 741aa43c215SJeff Kirsher } else { 742aa43c215SJeff Kirsher return -EIO; 743aa43c215SJeff Kirsher } 744aa43c215SJeff Kirsher 745aa43c215SJeff Kirsher dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); 7467e2cf4feSSony Chacko 74715087c2bSSony Chacko ahw->pci_base0 = mem_ptr0; 74815087c2bSSony Chacko ahw->pci_len0 = pci_len0; 74915087c2bSSony Chacko offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 75015087c2bSSony Chacko qlcnic_get_ioaddr(ahw, offset); 751aa43c215SJeff Kirsher 752aa43c215SJeff Kirsher return 0; 753aa43c215SJeff Kirsher } 754aa43c215SJeff Kirsher 75522999798SSony Chacko static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 756aa43c215SJeff Kirsher { 757aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 758aa43c215SJeff Kirsher int i, found = 0; 759aa43c215SJeff Kirsher 760aa43c215SJeff Kirsher for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 761aa43c215SJeff Kirsher if (qlcnic_boards[i].vendor == pdev->vendor && 762aa43c215SJeff Kirsher qlcnic_boards[i].device == pdev->device && 763aa43c215SJeff Kirsher qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && 764aa43c215SJeff Kirsher qlcnic_boards[i].sub_device == pdev->subsystem_device) { 765aa43c215SJeff Kirsher sprintf(name, "%pM: %s" , 766aa43c215SJeff Kirsher adapter->mac_addr, 767aa43c215SJeff Kirsher qlcnic_boards[i].short_name); 768aa43c215SJeff Kirsher found = 1; 769aa43c215SJeff Kirsher break; 770aa43c215SJeff Kirsher } 771aa43c215SJeff Kirsher 772aa43c215SJeff Kirsher } 773aa43c215SJeff Kirsher 774aa43c215SJeff Kirsher if (!found) 775aa43c215SJeff Kirsher sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 776aa43c215SJeff Kirsher } 777aa43c215SJeff Kirsher 778aa43c215SJeff Kirsher static void 779aa43c215SJeff Kirsher qlcnic_check_options(struct qlcnic_adapter *adapter) 780aa43c215SJeff Kirsher { 781a15ebd37SHimanshu Madhani int err; 782aa43c215SJeff Kirsher u32 fw_major, fw_minor, fw_build, prev_fw_version; 783aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 784a15ebd37SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 785a15ebd37SHimanshu Madhani struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 786aa43c215SJeff Kirsher 787aa43c215SJeff Kirsher prev_fw_version = adapter->fw_version; 788aa43c215SJeff Kirsher 789a15ebd37SHimanshu Madhani fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 790a15ebd37SHimanshu Madhani fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 791a15ebd37SHimanshu Madhani fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 792aa43c215SJeff Kirsher 793aa43c215SJeff Kirsher adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 794aa43c215SJeff Kirsher 795a15ebd37SHimanshu Madhani err = qlcnic_get_board_info(adapter); 796a15ebd37SHimanshu Madhani if (err) { 797a15ebd37SHimanshu Madhani dev_err(&pdev->dev, "Error getting board config info.\n"); 798a15ebd37SHimanshu Madhani return; 799a15ebd37SHimanshu Madhani } 800a15ebd37SHimanshu Madhani if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 801aa43c215SJeff Kirsher if (fw_dump->tmpl_hdr == NULL || 802aa43c215SJeff Kirsher adapter->fw_version > prev_fw_version) { 803aa43c215SJeff Kirsher if (fw_dump->tmpl_hdr) 804aa43c215SJeff Kirsher vfree(fw_dump->tmpl_hdr); 805aa43c215SJeff Kirsher if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 806aa43c215SJeff Kirsher dev_info(&pdev->dev, 807aa43c215SJeff Kirsher "Supports FW dump capability\n"); 808aa43c215SJeff Kirsher } 809aa43c215SJeff Kirsher } 810aa43c215SJeff Kirsher 81113159183SSony Chacko dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 81213159183SSony Chacko QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 81313159183SSony Chacko 814aa43c215SJeff Kirsher if (adapter->ahw->port_type == QLCNIC_XGBE) { 815aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 816aa43c215SJeff Kirsher adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 817aa43c215SJeff Kirsher adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 818aa43c215SJeff Kirsher } else { 819aa43c215SJeff Kirsher adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 820aa43c215SJeff Kirsher adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 821aa43c215SJeff Kirsher } 822aa43c215SJeff Kirsher 823aa43c215SJeff Kirsher adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 824aa43c215SJeff Kirsher adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 825aa43c215SJeff Kirsher 826aa43c215SJeff Kirsher } else if (adapter->ahw->port_type == QLCNIC_GBE) { 827aa43c215SJeff Kirsher adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 828aa43c215SJeff Kirsher adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 829aa43c215SJeff Kirsher adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 830aa43c215SJeff Kirsher adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 831aa43c215SJeff Kirsher } 832aa43c215SJeff Kirsher 833099f7aa7SSony Chacko adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 834aa43c215SJeff Kirsher 835aa43c215SJeff Kirsher adapter->num_txd = MAX_CMD_DESCRIPTORS; 836aa43c215SJeff Kirsher 837aa43c215SJeff Kirsher adapter->max_rds_rings = MAX_RDS_RINGS; 838aa43c215SJeff Kirsher } 839aa43c215SJeff Kirsher 840aa43c215SJeff Kirsher static int 841aa43c215SJeff Kirsher qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 842aa43c215SJeff Kirsher { 843aa43c215SJeff Kirsher int err; 844aa43c215SJeff Kirsher struct qlcnic_info nic_info; 845aa43c215SJeff Kirsher 846bff57d8eSSony Chacko memset(&nic_info, 0, sizeof(struct qlcnic_info)); 847aa43c215SJeff Kirsher err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 848aa43c215SJeff Kirsher if (err) 849aa43c215SJeff Kirsher return err; 850aa43c215SJeff Kirsher 85179788450SSony Chacko adapter->ahw->physical_port = (u8)nic_info.phys_port; 85279788450SSony Chacko adapter->ahw->switch_mode = nic_info.switch_mode; 85379788450SSony Chacko adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 85479788450SSony Chacko adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 85579788450SSony Chacko adapter->ahw->capabilities = nic_info.capabilities; 856776e7bdeSShahed Shaikh 857776e7bdeSShahed Shaikh if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 858776e7bdeSShahed Shaikh u32 temp; 859776e7bdeSShahed Shaikh temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 860776e7bdeSShahed Shaikh adapter->ahw->capabilities2 = temp; 861776e7bdeSShahed Shaikh } 86279788450SSony Chacko adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 86379788450SSony Chacko adapter->ahw->max_mtu = nic_info.max_mtu; 864aa43c215SJeff Kirsher 86513159183SSony Chacko /* Disable NPAR for 83XX */ 86613159183SSony Chacko if (qlcnic_83xx_check(adapter)) 86713159183SSony Chacko return err; 86813159183SSony Chacko 86979788450SSony Chacko if (adapter->ahw->capabilities & BIT_6) 870aa43c215SJeff Kirsher adapter->flags |= QLCNIC_ESWITCH_ENABLED; 871aa43c215SJeff Kirsher else 872aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 873aa43c215SJeff Kirsher 874aa43c215SJeff Kirsher return err; 875aa43c215SJeff Kirsher } 876aa43c215SJeff Kirsher 877ec079a07SSony Chacko void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 878aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *esw_cfg) 879aa43c215SJeff Kirsher { 880aa43c215SJeff Kirsher if (esw_cfg->discard_tagged) 881aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 882aa43c215SJeff Kirsher else 883aa43c215SJeff Kirsher adapter->flags |= QLCNIC_TAGGING_ENABLED; 884aa43c215SJeff Kirsher 885aa43c215SJeff Kirsher if (esw_cfg->vlan_id) 886aa43c215SJeff Kirsher adapter->pvid = esw_cfg->vlan_id; 887aa43c215SJeff Kirsher else 888aa43c215SJeff Kirsher adapter->pvid = 0; 889aa43c215SJeff Kirsher } 890aa43c215SJeff Kirsher 8918e586137SJiri Pirko static int 892aa43c215SJeff Kirsher qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid) 893aa43c215SJeff Kirsher { 894aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 895aa43c215SJeff Kirsher set_bit(vid, adapter->vlans); 8968e586137SJiri Pirko return 0; 897aa43c215SJeff Kirsher } 898aa43c215SJeff Kirsher 8998e586137SJiri Pirko static int 900aa43c215SJeff Kirsher qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid) 901aa43c215SJeff Kirsher { 902aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 903aa43c215SJeff Kirsher 904aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 905aa43c215SJeff Kirsher clear_bit(vid, adapter->vlans); 9068e586137SJiri Pirko return 0; 907aa43c215SJeff Kirsher } 908aa43c215SJeff Kirsher 909ec079a07SSony Chacko void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 910aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *esw_cfg) 911aa43c215SJeff Kirsher { 912aa43c215SJeff Kirsher adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 913aa43c215SJeff Kirsher QLCNIC_PROMISC_DISABLED); 914aa43c215SJeff Kirsher 915aa43c215SJeff Kirsher if (esw_cfg->mac_anti_spoof) 916aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MACSPOOF; 917aa43c215SJeff Kirsher 918aa43c215SJeff Kirsher if (!esw_cfg->mac_override) 919aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 920aa43c215SJeff Kirsher 921aa43c215SJeff Kirsher if (!esw_cfg->promisc_mode) 922aa43c215SJeff Kirsher adapter->flags |= QLCNIC_PROMISC_DISABLED; 923aa43c215SJeff Kirsher 924aa43c215SJeff Kirsher qlcnic_set_netdev_features(adapter, esw_cfg); 925aa43c215SJeff Kirsher } 926aa43c215SJeff Kirsher 927d71170fbSSony Chacko int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 928aa43c215SJeff Kirsher { 929aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg esw_cfg; 930aa43c215SJeff Kirsher 931aa43c215SJeff Kirsher if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 932aa43c215SJeff Kirsher return 0; 933aa43c215SJeff Kirsher 934aa43c215SJeff Kirsher esw_cfg.pci_func = adapter->ahw->pci_func; 935aa43c215SJeff Kirsher if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 936aa43c215SJeff Kirsher return -EIO; 937aa43c215SJeff Kirsher qlcnic_set_vlan_config(adapter, &esw_cfg); 938aa43c215SJeff Kirsher qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 939aa43c215SJeff Kirsher 940aa43c215SJeff Kirsher return 0; 941aa43c215SJeff Kirsher } 942aa43c215SJeff Kirsher 943aa43c215SJeff Kirsher static void 944aa43c215SJeff Kirsher qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 945aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *esw_cfg) 946aa43c215SJeff Kirsher { 947aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 94813159183SSony Chacko unsigned long features, vlan_features; 949aa43c215SJeff Kirsher 95013159183SSony Chacko if (qlcnic_83xx_check(adapter)) 95113159183SSony Chacko return; 95213159183SSony Chacko 9537e38d04bSSony Chacko features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 954aa43c215SJeff Kirsher NETIF_F_IPV6_CSUM | NETIF_F_GRO); 955aa43c215SJeff Kirsher vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | 95613159183SSony Chacko NETIF_F_IPV6_CSUM); 957aa43c215SJeff Kirsher 95813159183SSony Chacko if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 959aa43c215SJeff Kirsher features |= (NETIF_F_TSO | NETIF_F_TSO6); 960aa43c215SJeff Kirsher vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 961aa43c215SJeff Kirsher } 962aa43c215SJeff Kirsher 963aa43c215SJeff Kirsher if (netdev->features & NETIF_F_LRO) 964aa43c215SJeff Kirsher features |= NETIF_F_LRO; 965aa43c215SJeff Kirsher 966aa43c215SJeff Kirsher if (esw_cfg->offload_flags & BIT_0) { 967aa43c215SJeff Kirsher netdev->features |= features; 96813159183SSony Chacko adapter->rx_csum = 1; 9697e38d04bSSony Chacko if (!(esw_cfg->offload_flags & BIT_1)) { 970aa43c215SJeff Kirsher netdev->features &= ~NETIF_F_TSO; 9717e38d04bSSony Chacko features &= ~NETIF_F_TSO; 9727e38d04bSSony Chacko } 9737e38d04bSSony Chacko if (!(esw_cfg->offload_flags & BIT_2)) { 974aa43c215SJeff Kirsher netdev->features &= ~NETIF_F_TSO6; 9757e38d04bSSony Chacko features &= ~NETIF_F_TSO6; 9767e38d04bSSony Chacko } 977aa43c215SJeff Kirsher } else { 978aa43c215SJeff Kirsher netdev->features &= ~features; 9797e38d04bSSony Chacko features &= ~features; 98013159183SSony Chacko adapter->rx_csum = 0; 981aa43c215SJeff Kirsher } 982aa43c215SJeff Kirsher 983aa43c215SJeff Kirsher netdev->vlan_features = (features & vlan_features); 984aa43c215SJeff Kirsher } 985aa43c215SJeff Kirsher 986aa43c215SJeff Kirsher static int 987aa43c215SJeff Kirsher qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 988aa43c215SJeff Kirsher { 989aa43c215SJeff Kirsher u32 op_mode, priv_level; 990aa43c215SJeff Kirsher int err = 0; 991aa43c215SJeff Kirsher 992aa43c215SJeff Kirsher err = qlcnic_initialize_nic(adapter); 993aa43c215SJeff Kirsher if (err) 994aa43c215SJeff Kirsher return err; 995aa43c215SJeff Kirsher 996aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 997aa43c215SJeff Kirsher return 0; 998aa43c215SJeff Kirsher 99913159183SSony Chacko op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1000aa43c215SJeff Kirsher priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1001aa43c215SJeff Kirsher 1002aa43c215SJeff Kirsher if (op_mode == QLC_DEV_DRV_DEFAULT) 1003aa43c215SJeff Kirsher priv_level = QLCNIC_MGMT_FUNC; 1004aa43c215SJeff Kirsher else 1005aa43c215SJeff Kirsher priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1006aa43c215SJeff Kirsher 1007aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1008aa43c215SJeff Kirsher if (priv_level == QLCNIC_MGMT_FUNC) { 100979788450SSony Chacko adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1010aa43c215SJeff Kirsher err = qlcnic_init_pci_info(adapter); 1011aa43c215SJeff Kirsher if (err) 1012aa43c215SJeff Kirsher return err; 1013aa43c215SJeff Kirsher /* Set privilege level for other functions */ 1014aa43c215SJeff Kirsher qlcnic_set_function_modes(adapter); 1015aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 1016aa43c215SJeff Kirsher "HAL Version: %d, Management function\n", 101779788450SSony Chacko adapter->ahw->fw_hal_version); 1018aa43c215SJeff Kirsher } else if (priv_level == QLCNIC_PRIV_FUNC) { 101979788450SSony Chacko adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1020aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 1021aa43c215SJeff Kirsher "HAL Version: %d, Privileged function\n", 102279788450SSony Chacko adapter->ahw->fw_hal_version); 1023aa43c215SJeff Kirsher } 1024aa43c215SJeff Kirsher } 1025aa43c215SJeff Kirsher 1026aa43c215SJeff Kirsher adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1027aa43c215SJeff Kirsher 1028aa43c215SJeff Kirsher return err; 1029aa43c215SJeff Kirsher } 1030aa43c215SJeff Kirsher 1031d71170fbSSony Chacko int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1032aa43c215SJeff Kirsher { 1033aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg esw_cfg; 1034aa43c215SJeff Kirsher struct qlcnic_npar_info *npar; 1035aa43c215SJeff Kirsher u8 i; 1036aa43c215SJeff Kirsher 1037aa43c215SJeff Kirsher if (adapter->need_fw_reset) 1038aa43c215SJeff Kirsher return 0; 1039aa43c215SJeff Kirsher 1040bff57d8eSSony Chacko for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1041aa43c215SJeff Kirsher memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1042bff57d8eSSony Chacko esw_cfg.pci_func = adapter->npars[i].pci_func; 1043aa43c215SJeff Kirsher esw_cfg.mac_override = BIT_0; 1044aa43c215SJeff Kirsher esw_cfg.promisc_mode = BIT_0; 1045bff57d8eSSony Chacko if (qlcnic_82xx_check(adapter)) { 1046bff57d8eSSony Chacko esw_cfg.offload_flags = BIT_0; 1047bff57d8eSSony Chacko if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1048aa43c215SJeff Kirsher esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1049bff57d8eSSony Chacko } 1050aa43c215SJeff Kirsher if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1051aa43c215SJeff Kirsher return -EIO; 1052aa43c215SJeff Kirsher npar = &adapter->npars[i]; 1053aa43c215SJeff Kirsher npar->pvid = esw_cfg.vlan_id; 1054aa43c215SJeff Kirsher npar->mac_override = esw_cfg.mac_override; 1055aa43c215SJeff Kirsher npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1056aa43c215SJeff Kirsher npar->discard_tagged = esw_cfg.discard_tagged; 1057aa43c215SJeff Kirsher npar->promisc_mode = esw_cfg.promisc_mode; 1058aa43c215SJeff Kirsher npar->offload_flags = esw_cfg.offload_flags; 1059aa43c215SJeff Kirsher } 1060aa43c215SJeff Kirsher 1061aa43c215SJeff Kirsher return 0; 1062aa43c215SJeff Kirsher } 1063aa43c215SJeff Kirsher 106413159183SSony Chacko 1065aa43c215SJeff Kirsher static int 1066aa43c215SJeff Kirsher qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1067aa43c215SJeff Kirsher struct qlcnic_npar_info *npar, int pci_func) 1068aa43c215SJeff Kirsher { 1069aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg esw_cfg; 1070aa43c215SJeff Kirsher esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1071aa43c215SJeff Kirsher esw_cfg.pci_func = pci_func; 1072aa43c215SJeff Kirsher esw_cfg.vlan_id = npar->pvid; 1073aa43c215SJeff Kirsher esw_cfg.mac_override = npar->mac_override; 1074aa43c215SJeff Kirsher esw_cfg.discard_tagged = npar->discard_tagged; 1075aa43c215SJeff Kirsher esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1076aa43c215SJeff Kirsher esw_cfg.offload_flags = npar->offload_flags; 1077aa43c215SJeff Kirsher esw_cfg.promisc_mode = npar->promisc_mode; 1078aa43c215SJeff Kirsher if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1079aa43c215SJeff Kirsher return -EIO; 1080aa43c215SJeff Kirsher 1081aa43c215SJeff Kirsher esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1082aa43c215SJeff Kirsher if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1083aa43c215SJeff Kirsher return -EIO; 1084aa43c215SJeff Kirsher 1085aa43c215SJeff Kirsher return 0; 1086aa43c215SJeff Kirsher } 1087aa43c215SJeff Kirsher 1088d71170fbSSony Chacko int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1089aa43c215SJeff Kirsher { 1090aa43c215SJeff Kirsher int i, err; 1091aa43c215SJeff Kirsher struct qlcnic_npar_info *npar; 1092aa43c215SJeff Kirsher struct qlcnic_info nic_info; 1093bff57d8eSSony Chacko u8 pci_func; 1094aa43c215SJeff Kirsher 1095bff57d8eSSony Chacko if (qlcnic_82xx_check(adapter)) 1096aa43c215SJeff Kirsher if (!adapter->need_fw_reset) 1097aa43c215SJeff Kirsher return 0; 1098aa43c215SJeff Kirsher 1099aa43c215SJeff Kirsher /* Set the NPAR config data after FW reset */ 1100bff57d8eSSony Chacko for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1101aa43c215SJeff Kirsher npar = &adapter->npars[i]; 1102bff57d8eSSony Chacko pci_func = npar->pci_func; 1103bff57d8eSSony Chacko memset(&nic_info, 0, sizeof(struct qlcnic_info)); 110413159183SSony Chacko err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1105aa43c215SJeff Kirsher if (err) 1106aa43c215SJeff Kirsher return err; 1107aa43c215SJeff Kirsher nic_info.min_tx_bw = npar->min_bw; 1108aa43c215SJeff Kirsher nic_info.max_tx_bw = npar->max_bw; 1109aa43c215SJeff Kirsher err = qlcnic_set_nic_info(adapter, &nic_info); 1110aa43c215SJeff Kirsher if (err) 1111aa43c215SJeff Kirsher return err; 1112aa43c215SJeff Kirsher 1113aa43c215SJeff Kirsher if (npar->enable_pm) { 1114aa43c215SJeff Kirsher err = qlcnic_config_port_mirroring(adapter, 1115bff57d8eSSony Chacko npar->dest_npar, 1, 1116bff57d8eSSony Chacko pci_func); 1117aa43c215SJeff Kirsher if (err) 1118aa43c215SJeff Kirsher return err; 1119aa43c215SJeff Kirsher } 1120bff57d8eSSony Chacko err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1121aa43c215SJeff Kirsher if (err) 1122aa43c215SJeff Kirsher return err; 1123aa43c215SJeff Kirsher } 1124aa43c215SJeff Kirsher return 0; 1125aa43c215SJeff Kirsher } 1126aa43c215SJeff Kirsher 1127aa43c215SJeff Kirsher static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1128aa43c215SJeff Kirsher { 1129aa43c215SJeff Kirsher u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1130aa43c215SJeff Kirsher u32 npar_state; 1131aa43c215SJeff Kirsher 113279788450SSony Chacko if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1133aa43c215SJeff Kirsher return 0; 1134aa43c215SJeff Kirsher 1135a15ebd37SHimanshu Madhani npar_state = QLC_SHARED_REG_RD32(adapter, 1136a15ebd37SHimanshu Madhani QLCNIC_CRB_DEV_NPAR_STATE); 1137aa43c215SJeff Kirsher while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1138aa43c215SJeff Kirsher msleep(1000); 1139a15ebd37SHimanshu Madhani npar_state = QLC_SHARED_REG_RD32(adapter, 1140a15ebd37SHimanshu Madhani QLCNIC_CRB_DEV_NPAR_STATE); 1141aa43c215SJeff Kirsher } 1142aa43c215SJeff Kirsher if (!npar_opt_timeo) { 1143aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, 11448a168ca7SMasanari Iida "Waiting for NPAR state to operational timeout\n"); 1145aa43c215SJeff Kirsher return -EIO; 1146aa43c215SJeff Kirsher } 1147aa43c215SJeff Kirsher return 0; 1148aa43c215SJeff Kirsher } 1149aa43c215SJeff Kirsher 1150aa43c215SJeff Kirsher static int 1151aa43c215SJeff Kirsher qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1152aa43c215SJeff Kirsher { 1153aa43c215SJeff Kirsher int err; 1154aa43c215SJeff Kirsher 1155aa43c215SJeff Kirsher if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 115679788450SSony Chacko adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1157aa43c215SJeff Kirsher return 0; 1158aa43c215SJeff Kirsher 1159aa43c215SJeff Kirsher err = qlcnic_set_default_offload_settings(adapter); 1160aa43c215SJeff Kirsher if (err) 1161aa43c215SJeff Kirsher return err; 1162aa43c215SJeff Kirsher 1163aa43c215SJeff Kirsher err = qlcnic_reset_npar_config(adapter); 1164aa43c215SJeff Kirsher if (err) 1165aa43c215SJeff Kirsher return err; 1166aa43c215SJeff Kirsher 1167aa43c215SJeff Kirsher qlcnic_dev_set_npar_ready(adapter); 1168aa43c215SJeff Kirsher 1169aa43c215SJeff Kirsher return err; 1170aa43c215SJeff Kirsher } 1171aa43c215SJeff Kirsher 11727e2cf4feSSony Chacko int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1173aa43c215SJeff Kirsher { 1174aa43c215SJeff Kirsher int err; 1175aa43c215SJeff Kirsher 1176aa43c215SJeff Kirsher err = qlcnic_can_start_firmware(adapter); 1177aa43c215SJeff Kirsher if (err < 0) 1178aa43c215SJeff Kirsher return err; 1179aa43c215SJeff Kirsher else if (!err) 1180aa43c215SJeff Kirsher goto check_fw_status; 1181aa43c215SJeff Kirsher 1182099f7aa7SSony Chacko if (qlcnic_load_fw_file) 1183aa43c215SJeff Kirsher qlcnic_request_firmware(adapter); 1184aa43c215SJeff Kirsher else { 1185aa43c215SJeff Kirsher err = qlcnic_check_flash_fw_ver(adapter); 1186aa43c215SJeff Kirsher if (err) 1187aa43c215SJeff Kirsher goto err_out; 1188aa43c215SJeff Kirsher 118979788450SSony Chacko adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1190aa43c215SJeff Kirsher } 1191aa43c215SJeff Kirsher 1192aa43c215SJeff Kirsher err = qlcnic_need_fw_reset(adapter); 1193aa43c215SJeff Kirsher if (err == 0) 1194aa43c215SJeff Kirsher goto check_fw_status; 1195aa43c215SJeff Kirsher 1196aa43c215SJeff Kirsher err = qlcnic_pinit_from_rom(adapter); 1197aa43c215SJeff Kirsher if (err) 1198aa43c215SJeff Kirsher goto err_out; 1199aa43c215SJeff Kirsher 1200aa43c215SJeff Kirsher err = qlcnic_load_firmware(adapter); 1201aa43c215SJeff Kirsher if (err) 1202aa43c215SJeff Kirsher goto err_out; 1203aa43c215SJeff Kirsher 1204aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 1205aa43c215SJeff Kirsher QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1206aa43c215SJeff Kirsher 1207aa43c215SJeff Kirsher check_fw_status: 1208aa43c215SJeff Kirsher err = qlcnic_check_fw_status(adapter); 1209aa43c215SJeff Kirsher if (err) 1210aa43c215SJeff Kirsher goto err_out; 1211aa43c215SJeff Kirsher 1212a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1213aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 1); 1214aa43c215SJeff Kirsher err = qlcnic_check_eswitch_mode(adapter); 1215aa43c215SJeff Kirsher if (err) { 1216aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, 1217aa43c215SJeff Kirsher "Memory allocation failed for eswitch\n"); 1218aa43c215SJeff Kirsher goto err_out; 1219aa43c215SJeff Kirsher } 1220aa43c215SJeff Kirsher err = qlcnic_set_mgmt_operations(adapter); 1221aa43c215SJeff Kirsher if (err) 1222aa43c215SJeff Kirsher goto err_out; 1223aa43c215SJeff Kirsher 1224aa43c215SJeff Kirsher qlcnic_check_options(adapter); 1225aa43c215SJeff Kirsher adapter->need_fw_reset = 0; 1226aa43c215SJeff Kirsher 1227aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 1228aa43c215SJeff Kirsher return 0; 1229aa43c215SJeff Kirsher 1230aa43c215SJeff Kirsher err_out: 1231a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1232aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1233aa43c215SJeff Kirsher 1234aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 1235aa43c215SJeff Kirsher return err; 1236aa43c215SJeff Kirsher } 1237aa43c215SJeff Kirsher 1238aa43c215SJeff Kirsher static int 1239aa43c215SJeff Kirsher qlcnic_request_irq(struct qlcnic_adapter *adapter) 1240aa43c215SJeff Kirsher { 1241aa43c215SJeff Kirsher irq_handler_t handler; 1242aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 124313159183SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 1244aa43c215SJeff Kirsher int err, ring; 1245aa43c215SJeff Kirsher 1246aa43c215SJeff Kirsher unsigned long flags = 0; 1247aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1248aa43c215SJeff Kirsher struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1249aa43c215SJeff Kirsher 125079788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 125113159183SSony Chacko if (qlcnic_82xx_check(adapter)) 1252aa43c215SJeff Kirsher handler = qlcnic_tmp_intr; 1253aa43c215SJeff Kirsher if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1254aa43c215SJeff Kirsher flags |= IRQF_SHARED; 1255aa43c215SJeff Kirsher 1256aa43c215SJeff Kirsher } else { 1257aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSIX_ENABLED) 1258aa43c215SJeff Kirsher handler = qlcnic_msix_intr; 1259aa43c215SJeff Kirsher else if (adapter->flags & QLCNIC_MSI_ENABLED) 1260aa43c215SJeff Kirsher handler = qlcnic_msi_intr; 1261aa43c215SJeff Kirsher else { 1262aa43c215SJeff Kirsher flags |= IRQF_SHARED; 1263ac166700SHimanshu Madhani if (qlcnic_82xx_check(adapter)) 1264aa43c215SJeff Kirsher handler = qlcnic_intr; 1265ac166700SHimanshu Madhani else 1266ac166700SHimanshu Madhani handler = qlcnic_83xx_intr; 1267aa43c215SJeff Kirsher } 1268aa43c215SJeff Kirsher } 1269aa43c215SJeff Kirsher adapter->irq = netdev->irq; 1270aa43c215SJeff Kirsher 127113159183SSony Chacko if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1272ac166700SHimanshu Madhani if (qlcnic_82xx_check(adapter) || 1273ac166700SHimanshu Madhani (qlcnic_83xx_check(adapter) && 1274ac166700SHimanshu Madhani (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1275aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1276aa43c215SJeff Kirsher sds_ring = &recv_ctx->sds_rings[ring]; 127713159183SSony Chacko snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ, 127813159183SSony Chacko "%s[%d]", netdev->name, ring); 127913159183SSony Chacko err = request_irq(sds_ring->irq, handler, flags, 128013159183SSony Chacko sds_ring->name, sds_ring); 1281aa43c215SJeff Kirsher if (err) 1282aa43c215SJeff Kirsher return err; 1283aa43c215SJeff Kirsher } 1284ac166700SHimanshu Madhani } 128513159183SSony Chacko if (qlcnic_83xx_check(adapter) && 128613159183SSony Chacko (adapter->flags & QLCNIC_MSIX_ENABLED)) { 128713159183SSony Chacko handler = qlcnic_msix_tx_intr; 128813159183SSony Chacko for (ring = 0; ring < adapter->max_drv_tx_rings; 128913159183SSony Chacko ring++) { 129013159183SSony Chacko tx_ring = &adapter->tx_ring[ring]; 129113159183SSony Chacko snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ, 129213159183SSony Chacko "%s[%d]", netdev->name, 129313159183SSony Chacko adapter->max_sds_rings + ring); 129413159183SSony Chacko err = request_irq(tx_ring->irq, handler, flags, 129513159183SSony Chacko tx_ring->name, tx_ring); 129613159183SSony Chacko if (err) 129713159183SSony Chacko return err; 129813159183SSony Chacko } 129913159183SSony Chacko } 130013159183SSony Chacko } 1301aa43c215SJeff Kirsher return 0; 1302aa43c215SJeff Kirsher } 1303aa43c215SJeff Kirsher 1304aa43c215SJeff Kirsher static void 1305aa43c215SJeff Kirsher qlcnic_free_irq(struct qlcnic_adapter *adapter) 1306aa43c215SJeff Kirsher { 1307aa43c215SJeff Kirsher int ring; 1308aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 130913159183SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 1310aa43c215SJeff Kirsher 1311aa43c215SJeff Kirsher struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1312aa43c215SJeff Kirsher 131313159183SSony Chacko if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1314ac166700SHimanshu Madhani if (qlcnic_82xx_check(adapter) || 1315ac166700SHimanshu Madhani (qlcnic_83xx_check(adapter) && 1316ac166700SHimanshu Madhani (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1317aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1318aa43c215SJeff Kirsher sds_ring = &recv_ctx->sds_rings[ring]; 1319aa43c215SJeff Kirsher free_irq(sds_ring->irq, sds_ring); 1320aa43c215SJeff Kirsher } 1321ac166700SHimanshu Madhani } 132213159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 132313159183SSony Chacko for (ring = 0; ring < adapter->max_drv_tx_rings; 132413159183SSony Chacko ring++) { 132513159183SSony Chacko tx_ring = &adapter->tx_ring[ring]; 132613159183SSony Chacko if (tx_ring->irq) 132713159183SSony Chacko free_irq(tx_ring->irq, tx_ring); 132813159183SSony Chacko } 132913159183SSony Chacko } 133013159183SSony Chacko } 1331aa43c215SJeff Kirsher } 1332aa43c215SJeff Kirsher 133399e85879SShahed Shaikh static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 133499e85879SShahed Shaikh { 133599e85879SShahed Shaikh u32 capab = 0; 133699e85879SShahed Shaikh 133799e85879SShahed Shaikh if (qlcnic_82xx_check(adapter)) { 133899e85879SShahed Shaikh if (adapter->ahw->capabilities2 & 133999e85879SShahed Shaikh QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 134099e85879SShahed Shaikh adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 134199e85879SShahed Shaikh } else { 134299e85879SShahed Shaikh capab = adapter->ahw->capabilities; 134399e85879SShahed Shaikh if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 134499e85879SShahed Shaikh adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 134599e85879SShahed Shaikh } 134699e85879SShahed Shaikh } 134799e85879SShahed Shaikh 1348319ecf12SSony Chacko int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1349aa43c215SJeff Kirsher { 1350aa43c215SJeff Kirsher int ring; 1351aa43c215SJeff Kirsher struct qlcnic_host_rds_ring *rds_ring; 1352aa43c215SJeff Kirsher 1353aa43c215SJeff Kirsher if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1354aa43c215SJeff Kirsher return -EIO; 1355aa43c215SJeff Kirsher 1356aa43c215SJeff Kirsher if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1357aa43c215SJeff Kirsher return 0; 1358aa43c215SJeff Kirsher if (qlcnic_set_eswitch_port_config(adapter)) 1359aa43c215SJeff Kirsher return -EIO; 136099e85879SShahed Shaikh qlcnic_get_lro_mss_capability(adapter); 1361cae82d49SRajesh Borundia 1362aa43c215SJeff Kirsher if (qlcnic_fw_create_ctx(adapter)) 1363aa43c215SJeff Kirsher return -EIO; 1364aa43c215SJeff Kirsher 1365aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1366aa43c215SJeff Kirsher rds_ring = &adapter->recv_ctx->rds_rings[ring]; 13674be41e92SSony Chacko qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1368aa43c215SJeff Kirsher } 1369aa43c215SJeff Kirsher 1370aa43c215SJeff Kirsher qlcnic_set_multi(netdev); 1371aa43c215SJeff Kirsher qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1372aa43c215SJeff Kirsher 1373aa43c215SJeff Kirsher adapter->ahw->linkup = 0; 1374aa43c215SJeff Kirsher 1375aa43c215SJeff Kirsher if (adapter->max_sds_rings > 1) 1376aa43c215SJeff Kirsher qlcnic_config_rss(adapter, 1); 1377aa43c215SJeff Kirsher 1378aa43c215SJeff Kirsher qlcnic_config_intr_coalesce(adapter); 1379aa43c215SJeff Kirsher 1380aa43c215SJeff Kirsher if (netdev->features & NETIF_F_LRO) 1381aa43c215SJeff Kirsher qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1382aa43c215SJeff Kirsher 1383aa43c215SJeff Kirsher qlcnic_napi_enable(adapter); 1384aa43c215SJeff Kirsher 1385aa43c215SJeff Kirsher qlcnic_linkevent_request(adapter, 1); 1386aa43c215SJeff Kirsher 138779788450SSony Chacko adapter->ahw->reset_context = 0; 1388aa43c215SJeff Kirsher set_bit(__QLCNIC_DEV_UP, &adapter->state); 1389aa43c215SJeff Kirsher return 0; 1390aa43c215SJeff Kirsher } 1391aa43c215SJeff Kirsher 1392629263acSSony Chacko int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1393aa43c215SJeff Kirsher { 1394aa43c215SJeff Kirsher int err = 0; 1395aa43c215SJeff Kirsher 1396aa43c215SJeff Kirsher rtnl_lock(); 1397aa43c215SJeff Kirsher if (netif_running(netdev)) 1398aa43c215SJeff Kirsher err = __qlcnic_up(adapter, netdev); 1399aa43c215SJeff Kirsher rtnl_unlock(); 1400aa43c215SJeff Kirsher 1401aa43c215SJeff Kirsher return err; 1402aa43c215SJeff Kirsher } 1403aa43c215SJeff Kirsher 1404319ecf12SSony Chacko void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1405aa43c215SJeff Kirsher { 1406aa43c215SJeff Kirsher if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1407aa43c215SJeff Kirsher return; 1408aa43c215SJeff Kirsher 1409aa43c215SJeff Kirsher if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1410aa43c215SJeff Kirsher return; 1411aa43c215SJeff Kirsher 1412aa43c215SJeff Kirsher smp_mb(); 1413aa43c215SJeff Kirsher spin_lock(&adapter->tx_clean_lock); 1414aa43c215SJeff Kirsher netif_carrier_off(netdev); 1415aa43c215SJeff Kirsher netif_tx_disable(netdev); 1416aa43c215SJeff Kirsher 1417aa43c215SJeff Kirsher qlcnic_free_mac_list(adapter); 1418aa43c215SJeff Kirsher 1419aa43c215SJeff Kirsher if (adapter->fhash.fnum) 1420aa43c215SJeff Kirsher qlcnic_delete_lb_filters(adapter); 1421aa43c215SJeff Kirsher 1422aa43c215SJeff Kirsher qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1423aa43c215SJeff Kirsher 1424aa43c215SJeff Kirsher qlcnic_napi_disable(adapter); 1425aa43c215SJeff Kirsher 1426aa43c215SJeff Kirsher qlcnic_fw_destroy_ctx(adapter); 1427cae82d49SRajesh Borundia adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1428aa43c215SJeff Kirsher 1429aa43c215SJeff Kirsher qlcnic_reset_rx_buffers_list(adapter); 1430aa43c215SJeff Kirsher qlcnic_release_tx_buffers(adapter); 1431aa43c215SJeff Kirsher spin_unlock(&adapter->tx_clean_lock); 1432aa43c215SJeff Kirsher } 1433aa43c215SJeff Kirsher 1434aa43c215SJeff Kirsher /* Usage: During suspend and firmware recovery module */ 1435aa43c215SJeff Kirsher 1436629263acSSony Chacko void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1437aa43c215SJeff Kirsher { 1438aa43c215SJeff Kirsher rtnl_lock(); 1439aa43c215SJeff Kirsher if (netif_running(netdev)) 1440aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 1441aa43c215SJeff Kirsher rtnl_unlock(); 1442aa43c215SJeff Kirsher 1443aa43c215SJeff Kirsher } 1444aa43c215SJeff Kirsher 1445319ecf12SSony Chacko int 1446aa43c215SJeff Kirsher qlcnic_attach(struct qlcnic_adapter *adapter) 1447aa43c215SJeff Kirsher { 1448aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1449aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 1450aa43c215SJeff Kirsher int err; 1451aa43c215SJeff Kirsher 1452aa43c215SJeff Kirsher if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1453aa43c215SJeff Kirsher return 0; 1454aa43c215SJeff Kirsher 1455aa43c215SJeff Kirsher err = qlcnic_napi_add(adapter, netdev); 1456aa43c215SJeff Kirsher if (err) 1457aa43c215SJeff Kirsher return err; 1458aa43c215SJeff Kirsher 1459aa43c215SJeff Kirsher err = qlcnic_alloc_sw_resources(adapter); 1460aa43c215SJeff Kirsher if (err) { 1461aa43c215SJeff Kirsher dev_err(&pdev->dev, "Error in setting sw resources\n"); 1462aa43c215SJeff Kirsher goto err_out_napi_del; 1463aa43c215SJeff Kirsher } 1464aa43c215SJeff Kirsher 1465aa43c215SJeff Kirsher err = qlcnic_alloc_hw_resources(adapter); 1466aa43c215SJeff Kirsher if (err) { 1467aa43c215SJeff Kirsher dev_err(&pdev->dev, "Error in setting hw resources\n"); 1468aa43c215SJeff Kirsher goto err_out_free_sw; 1469aa43c215SJeff Kirsher } 1470aa43c215SJeff Kirsher 1471aa43c215SJeff Kirsher err = qlcnic_request_irq(adapter); 1472aa43c215SJeff Kirsher if (err) { 1473aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to setup interrupt\n"); 1474aa43c215SJeff Kirsher goto err_out_free_hw; 1475aa43c215SJeff Kirsher } 1476aa43c215SJeff Kirsher 1477aa43c215SJeff Kirsher qlcnic_create_sysfs_entries(adapter); 1478aa43c215SJeff Kirsher 1479aa43c215SJeff Kirsher adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1480aa43c215SJeff Kirsher return 0; 1481aa43c215SJeff Kirsher 1482aa43c215SJeff Kirsher err_out_free_hw: 1483aa43c215SJeff Kirsher qlcnic_free_hw_resources(adapter); 1484aa43c215SJeff Kirsher err_out_free_sw: 1485aa43c215SJeff Kirsher qlcnic_free_sw_resources(adapter); 1486aa43c215SJeff Kirsher err_out_napi_del: 1487aa43c215SJeff Kirsher qlcnic_napi_del(adapter); 1488aa43c215SJeff Kirsher return err; 1489aa43c215SJeff Kirsher } 1490aa43c215SJeff Kirsher 1491319ecf12SSony Chacko void qlcnic_detach(struct qlcnic_adapter *adapter) 1492aa43c215SJeff Kirsher { 1493aa43c215SJeff Kirsher if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1494aa43c215SJeff Kirsher return; 1495aa43c215SJeff Kirsher 1496aa43c215SJeff Kirsher qlcnic_remove_sysfs_entries(adapter); 1497aa43c215SJeff Kirsher 1498aa43c215SJeff Kirsher qlcnic_free_hw_resources(adapter); 1499aa43c215SJeff Kirsher qlcnic_release_rx_buffers(adapter); 1500aa43c215SJeff Kirsher qlcnic_free_irq(adapter); 1501aa43c215SJeff Kirsher qlcnic_napi_del(adapter); 1502aa43c215SJeff Kirsher qlcnic_free_sw_resources(adapter); 1503aa43c215SJeff Kirsher 1504aa43c215SJeff Kirsher adapter->is_up = 0; 1505aa43c215SJeff Kirsher } 1506aa43c215SJeff Kirsher 1507aa43c215SJeff Kirsher void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1508aa43c215SJeff Kirsher { 1509aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 1510aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 1511aa43c215SJeff Kirsher int ring; 1512aa43c215SJeff Kirsher 1513aa43c215SJeff Kirsher clear_bit(__QLCNIC_DEV_UP, &adapter->state); 151479788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1515aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1516aa43c215SJeff Kirsher sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1517aa43c215SJeff Kirsher qlcnic_disable_int(sds_ring); 1518aa43c215SJeff Kirsher } 1519aa43c215SJeff Kirsher } 1520aa43c215SJeff Kirsher 1521aa43c215SJeff Kirsher qlcnic_fw_destroy_ctx(adapter); 1522aa43c215SJeff Kirsher 1523aa43c215SJeff Kirsher qlcnic_detach(adapter); 1524aa43c215SJeff Kirsher 152579788450SSony Chacko adapter->ahw->diag_test = 0; 1526aa43c215SJeff Kirsher adapter->max_sds_rings = max_sds_rings; 1527aa43c215SJeff Kirsher 1528aa43c215SJeff Kirsher if (qlcnic_attach(adapter)) 1529aa43c215SJeff Kirsher goto out; 1530aa43c215SJeff Kirsher 1531aa43c215SJeff Kirsher if (netif_running(netdev)) 1532aa43c215SJeff Kirsher __qlcnic_up(adapter, netdev); 1533aa43c215SJeff Kirsher out: 1534aa43c215SJeff Kirsher netif_device_attach(netdev); 1535aa43c215SJeff Kirsher } 1536aa43c215SJeff Kirsher 1537aa43c215SJeff Kirsher static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1538aa43c215SJeff Kirsher { 1539aa43c215SJeff Kirsher int err = 0; 1540aa43c215SJeff Kirsher adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1541aa43c215SJeff Kirsher GFP_KERNEL); 1542aa43c215SJeff Kirsher if (!adapter->recv_ctx) { 1543aa43c215SJeff Kirsher err = -ENOMEM; 1544aa43c215SJeff Kirsher goto err_out; 1545aa43c215SJeff Kirsher } 1546aa43c215SJeff Kirsher /* Initialize interrupt coalesce parameters */ 1547aa43c215SJeff Kirsher adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1548aa43c215SJeff Kirsher adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; 1549aa43c215SJeff Kirsher adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; 15504be41e92SSony Chacko /* clear stats */ 15514be41e92SSony Chacko memset(&adapter->stats, 0, sizeof(adapter->stats)); 1552aa43c215SJeff Kirsher err_out: 1553aa43c215SJeff Kirsher return err; 1554aa43c215SJeff Kirsher } 1555aa43c215SJeff Kirsher 1556aa43c215SJeff Kirsher static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1557aa43c215SJeff Kirsher { 1558aa43c215SJeff Kirsher kfree(adapter->recv_ctx); 1559aa43c215SJeff Kirsher adapter->recv_ctx = NULL; 1560aa43c215SJeff Kirsher 1561aa43c215SJeff Kirsher if (adapter->ahw->fw_dump.tmpl_hdr) { 1562aa43c215SJeff Kirsher vfree(adapter->ahw->fw_dump.tmpl_hdr); 1563aa43c215SJeff Kirsher adapter->ahw->fw_dump.tmpl_hdr = NULL; 1564aa43c215SJeff Kirsher } 15654be41e92SSony Chacko 156681d0aeb0SSony Chacko kfree(adapter->ahw->reset.buff); 15674be41e92SSony Chacko adapter->ahw->fw_dump.tmpl_hdr = NULL; 1568aa43c215SJeff Kirsher } 1569aa43c215SJeff Kirsher 1570aa43c215SJeff Kirsher int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1571aa43c215SJeff Kirsher { 1572aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 1573aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 1574aa43c215SJeff Kirsher struct qlcnic_host_rds_ring *rds_ring; 1575aa43c215SJeff Kirsher int ring; 1576aa43c215SJeff Kirsher int ret; 1577aa43c215SJeff Kirsher 1578aa43c215SJeff Kirsher netif_device_detach(netdev); 1579aa43c215SJeff Kirsher 1580aa43c215SJeff Kirsher if (netif_running(netdev)) 1581aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 1582aa43c215SJeff Kirsher 1583aa43c215SJeff Kirsher qlcnic_detach(adapter); 1584aa43c215SJeff Kirsher 1585aa43c215SJeff Kirsher adapter->max_sds_rings = 1; 158679788450SSony Chacko adapter->ahw->diag_test = test; 15874be41e92SSony Chacko adapter->ahw->linkup = 0; 1588aa43c215SJeff Kirsher 1589aa43c215SJeff Kirsher ret = qlcnic_attach(adapter); 1590aa43c215SJeff Kirsher if (ret) { 1591aa43c215SJeff Kirsher netif_device_attach(netdev); 1592aa43c215SJeff Kirsher return ret; 1593aa43c215SJeff Kirsher } 1594aa43c215SJeff Kirsher 1595aa43c215SJeff Kirsher ret = qlcnic_fw_create_ctx(adapter); 1596aa43c215SJeff Kirsher if (ret) { 1597aa43c215SJeff Kirsher qlcnic_detach(adapter); 1598aa43c215SJeff Kirsher netif_device_attach(netdev); 1599aa43c215SJeff Kirsher return ret; 1600aa43c215SJeff Kirsher } 1601aa43c215SJeff Kirsher 1602aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1603aa43c215SJeff Kirsher rds_ring = &adapter->recv_ctx->rds_rings[ring]; 16044be41e92SSony Chacko qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1605aa43c215SJeff Kirsher } 1606aa43c215SJeff Kirsher 160779788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1608aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1609aa43c215SJeff Kirsher sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1610aa43c215SJeff Kirsher qlcnic_enable_int(sds_ring); 1611aa43c215SJeff Kirsher } 1612aa43c215SJeff Kirsher } 1613aa43c215SJeff Kirsher 161479788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1615aa43c215SJeff Kirsher adapter->ahw->loopback_state = 0; 1616aa43c215SJeff Kirsher qlcnic_linkevent_request(adapter, 1); 1617aa43c215SJeff Kirsher } 1618aa43c215SJeff Kirsher 1619aa43c215SJeff Kirsher set_bit(__QLCNIC_DEV_UP, &adapter->state); 1620aa43c215SJeff Kirsher 1621aa43c215SJeff Kirsher return 0; 1622aa43c215SJeff Kirsher } 1623aa43c215SJeff Kirsher 1624aa43c215SJeff Kirsher /* Reset context in hardware only */ 1625aa43c215SJeff Kirsher static int 1626aa43c215SJeff Kirsher qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1627aa43c215SJeff Kirsher { 1628aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1629aa43c215SJeff Kirsher 1630aa43c215SJeff Kirsher if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1631aa43c215SJeff Kirsher return -EBUSY; 1632aa43c215SJeff Kirsher 1633aa43c215SJeff Kirsher netif_device_detach(netdev); 1634aa43c215SJeff Kirsher 1635aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 1636aa43c215SJeff Kirsher 1637aa43c215SJeff Kirsher qlcnic_up(adapter, netdev); 1638aa43c215SJeff Kirsher 1639aa43c215SJeff Kirsher netif_device_attach(netdev); 1640aa43c215SJeff Kirsher 1641aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 164213159183SSony Chacko dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1643aa43c215SJeff Kirsher return 0; 1644aa43c215SJeff Kirsher } 1645aa43c215SJeff Kirsher 1646aa43c215SJeff Kirsher int 1647aa43c215SJeff Kirsher qlcnic_reset_context(struct qlcnic_adapter *adapter) 1648aa43c215SJeff Kirsher { 1649aa43c215SJeff Kirsher int err = 0; 1650aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1651aa43c215SJeff Kirsher 1652aa43c215SJeff Kirsher if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1653aa43c215SJeff Kirsher return -EBUSY; 1654aa43c215SJeff Kirsher 1655aa43c215SJeff Kirsher if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1656aa43c215SJeff Kirsher 1657aa43c215SJeff Kirsher netif_device_detach(netdev); 1658aa43c215SJeff Kirsher 1659aa43c215SJeff Kirsher if (netif_running(netdev)) 1660aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 1661aa43c215SJeff Kirsher 1662aa43c215SJeff Kirsher qlcnic_detach(adapter); 1663aa43c215SJeff Kirsher 1664aa43c215SJeff Kirsher if (netif_running(netdev)) { 1665aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 16661d5c88e3SAnirban Chakraborty if (!err) { 1667aa43c215SJeff Kirsher __qlcnic_up(adapter, netdev); 16681d5c88e3SAnirban Chakraborty qlcnic_restore_indev_addr(netdev, NETDEV_UP); 16691d5c88e3SAnirban Chakraborty } 1670aa43c215SJeff Kirsher } 1671aa43c215SJeff Kirsher 1672aa43c215SJeff Kirsher netif_device_attach(netdev); 1673aa43c215SJeff Kirsher } 1674aa43c215SJeff Kirsher 1675aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 1676aa43c215SJeff Kirsher return err; 1677aa43c215SJeff Kirsher } 1678aa43c215SJeff Kirsher 1679aa43c215SJeff Kirsher static int 16805ad6ff9dSSony Chacko qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 16815ad6ff9dSSony Chacko int pci_using_dac) 1682aa43c215SJeff Kirsher { 1683aa43c215SJeff Kirsher int err; 1684aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 1685aa43c215SJeff Kirsher 168613159183SSony Chacko adapter->rx_csum = 1; 168779788450SSony Chacko adapter->ahw->mc_enabled = 0; 168813159183SSony Chacko adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 1689aa43c215SJeff Kirsher 1690aa43c215SJeff Kirsher netdev->netdev_ops = &qlcnic_netdev_ops; 169113159183SSony Chacko netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 1692aa43c215SJeff Kirsher 1693aa43c215SJeff Kirsher qlcnic_change_mtu(netdev, netdev->mtu); 1694aa43c215SJeff Kirsher 1695aa43c215SJeff Kirsher SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 1696aa43c215SJeff Kirsher 16977e38d04bSSony Chacko netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 169813159183SSony Chacko NETIF_F_IPV6_CSUM | NETIF_F_GRO | 169913159183SSony Chacko NETIF_F_HW_VLAN_RX); 170013159183SSony Chacko netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 170113159183SSony Chacko NETIF_F_IPV6_CSUM); 1702aa43c215SJeff Kirsher 170313159183SSony Chacko if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 170413159183SSony Chacko netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 170513159183SSony Chacko netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 170613159183SSony Chacko } 1707aa43c215SJeff Kirsher 170813159183SSony Chacko if (pci_using_dac) { 170913159183SSony Chacko netdev->features |= NETIF_F_HIGHDMA; 171013159183SSony Chacko netdev->vlan_features |= NETIF_F_HIGHDMA; 171113159183SSony Chacko } 1712aa43c215SJeff Kirsher 171313159183SSony Chacko if (qlcnic_vlan_tx_check(adapter)) 171413159183SSony Chacko netdev->features |= (NETIF_F_HW_VLAN_TX); 171513159183SSony Chacko 171679788450SSony Chacko if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 171713159183SSony Chacko netdev->features |= NETIF_F_LRO; 1718aa43c215SJeff Kirsher 17197e38d04bSSony Chacko netdev->hw_features = netdev->features; 1720aa43c215SJeff Kirsher netdev->irq = adapter->msix_entries[0].vector; 1721aa43c215SJeff Kirsher 1722aa43c215SJeff Kirsher err = register_netdev(netdev); 1723aa43c215SJeff Kirsher if (err) { 1724aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to register net device\n"); 1725aa43c215SJeff Kirsher return err; 1726aa43c215SJeff Kirsher } 1727aa43c215SJeff Kirsher 1728aa43c215SJeff Kirsher return 0; 1729aa43c215SJeff Kirsher } 1730aa43c215SJeff Kirsher 17315ad6ff9dSSony Chacko static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 1732aa43c215SJeff Kirsher { 1733aa43c215SJeff Kirsher if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 1734aa43c215SJeff Kirsher !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 1735aa43c215SJeff Kirsher *pci_using_dac = 1; 1736aa43c215SJeff Kirsher else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 1737aa43c215SJeff Kirsher !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1738aa43c215SJeff Kirsher *pci_using_dac = 0; 1739aa43c215SJeff Kirsher else { 1740aa43c215SJeff Kirsher dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 1741aa43c215SJeff Kirsher return -EIO; 1742aa43c215SJeff Kirsher } 1743aa43c215SJeff Kirsher 1744aa43c215SJeff Kirsher return 0; 1745aa43c215SJeff Kirsher } 1746aa43c215SJeff Kirsher 17474be41e92SSony Chacko void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 17484be41e92SSony Chacko { 17494be41e92SSony Chacko int ring; 17504be41e92SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 17514be41e92SSony Chacko 17524be41e92SSony Chacko for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 17534be41e92SSony Chacko tx_ring = &adapter->tx_ring[ring]; 17544be41e92SSony Chacko if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 17554be41e92SSony Chacko vfree(tx_ring->cmd_buf_arr); 17564be41e92SSony Chacko tx_ring->cmd_buf_arr = NULL; 17574be41e92SSony Chacko } 17584be41e92SSony Chacko } 17594be41e92SSony Chacko if (adapter->tx_ring != NULL) 17604be41e92SSony Chacko kfree(adapter->tx_ring); 17614be41e92SSony Chacko } 17624be41e92SSony Chacko 17634be41e92SSony Chacko int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 17644be41e92SSony Chacko struct net_device *netdev) 17654be41e92SSony Chacko { 1766b2adaca9SJoe Perches int ring, vector, index; 17674be41e92SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 17684be41e92SSony Chacko struct qlcnic_cmd_buffer *cmd_buf_arr; 17694be41e92SSony Chacko 1770b2adaca9SJoe Perches tx_ring = kcalloc(adapter->max_drv_tx_rings, 1771b2adaca9SJoe Perches sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 1772b2adaca9SJoe Perches if (tx_ring == NULL) 17734be41e92SSony Chacko return -ENOMEM; 1774b2adaca9SJoe Perches 17754be41e92SSony Chacko adapter->tx_ring = tx_ring; 17764be41e92SSony Chacko 17774be41e92SSony Chacko for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 17784be41e92SSony Chacko tx_ring = &adapter->tx_ring[ring]; 17794be41e92SSony Chacko tx_ring->num_desc = adapter->num_txd; 17804be41e92SSony Chacko tx_ring->txq = netdev_get_tx_queue(netdev, ring); 17814be41e92SSony Chacko cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 17824be41e92SSony Chacko if (cmd_buf_arr == NULL) { 17834be41e92SSony Chacko qlcnic_free_tx_rings(adapter); 17844be41e92SSony Chacko return -ENOMEM; 17854be41e92SSony Chacko } 17864be41e92SSony Chacko memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 17874be41e92SSony Chacko tx_ring->cmd_buf_arr = cmd_buf_arr; 17884be41e92SSony Chacko } 17894be41e92SSony Chacko 17904be41e92SSony Chacko if (qlcnic_83xx_check(adapter)) { 17914be41e92SSony Chacko for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 17924be41e92SSony Chacko tx_ring = &adapter->tx_ring[ring]; 17934be41e92SSony Chacko tx_ring->adapter = adapter; 17944be41e92SSony Chacko if (adapter->flags & QLCNIC_MSIX_ENABLED) { 17954be41e92SSony Chacko index = adapter->max_sds_rings + ring; 17964be41e92SSony Chacko vector = adapter->msix_entries[index].vector; 17974be41e92SSony Chacko tx_ring->irq = vector; 17984be41e92SSony Chacko } 17994be41e92SSony Chacko } 18004be41e92SSony Chacko } 18014be41e92SSony Chacko return 0; 18024be41e92SSony Chacko } 18034be41e92SSony Chacko 18046bb58bb0SBill Pemberton static int 1805aa43c215SJeff Kirsher qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 1806aa43c215SJeff Kirsher { 1807aa43c215SJeff Kirsher struct net_device *netdev = NULL; 1808aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = NULL; 18097e2cf4feSSony Chacko struct qlcnic_hardware_context *ahw; 18105ad6ff9dSSony Chacko int err, pci_using_dac = -1; 1811c84e340aSSritej Velaga u32 capab2; 18127bc48646SDan Carpenter char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 1813aa43c215SJeff Kirsher 1814aa43c215SJeff Kirsher err = pci_enable_device(pdev); 1815aa43c215SJeff Kirsher if (err) 1816aa43c215SJeff Kirsher return err; 1817aa43c215SJeff Kirsher 1818aa43c215SJeff Kirsher if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 1819aa43c215SJeff Kirsher err = -ENODEV; 1820aa43c215SJeff Kirsher goto err_out_disable_pdev; 1821aa43c215SJeff Kirsher } 1822aa43c215SJeff Kirsher 1823aa43c215SJeff Kirsher err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 1824aa43c215SJeff Kirsher if (err) 1825aa43c215SJeff Kirsher goto err_out_disable_pdev; 1826aa43c215SJeff Kirsher 1827aa43c215SJeff Kirsher err = pci_request_regions(pdev, qlcnic_driver_name); 1828aa43c215SJeff Kirsher if (err) 1829aa43c215SJeff Kirsher goto err_out_disable_pdev; 1830aa43c215SJeff Kirsher 1831aa43c215SJeff Kirsher pci_set_master(pdev); 1832aa43c215SJeff Kirsher pci_enable_pcie_error_reporting(pdev); 1833aa43c215SJeff Kirsher 18347e2cf4feSSony Chacko ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 18357e2cf4feSSony Chacko if (!ahw) 18367e2cf4feSSony Chacko goto err_out_free_res; 18377e2cf4feSSony Chacko 18387e2cf4feSSony Chacko if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) { 18397e2cf4feSSony Chacko ahw->hw_ops = &qlcnic_hw_ops; 18407e2cf4feSSony Chacko ahw->reg_tbl = (u32 *)qlcnic_reg_tbl; 184113159183SSony Chacko } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 184213159183SSony Chacko qlcnic_83xx_register_map(ahw); 184313159183SSony Chacko } else { 184413159183SSony Chacko goto err_out_free_hw_res; 18457e2cf4feSSony Chacko } 18467e2cf4feSSony Chacko 18477e2cf4feSSony Chacko err = qlcnic_setup_pci_map(pdev, ahw); 18487e2cf4feSSony Chacko if (err) 18497e2cf4feSSony Chacko goto err_out_free_hw_res; 18507e2cf4feSSony Chacko 1851aa43c215SJeff Kirsher netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); 1852aa43c215SJeff Kirsher if (!netdev) { 1853aa43c215SJeff Kirsher err = -ENOMEM; 18547e2cf4feSSony Chacko goto err_out_iounmap; 1855aa43c215SJeff Kirsher } 1856aa43c215SJeff Kirsher 1857aa43c215SJeff Kirsher SET_NETDEV_DEV(netdev, &pdev->dev); 1858aa43c215SJeff Kirsher 1859aa43c215SJeff Kirsher adapter = netdev_priv(netdev); 1860aa43c215SJeff Kirsher adapter->netdev = netdev; 1861aa43c215SJeff Kirsher adapter->pdev = pdev; 186213159183SSony Chacko adapter->ahw = ahw; 186313159183SSony Chacko 186413159183SSony Chacko adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 186513159183SSony Chacko if (adapter->qlcnic_wq == NULL) { 186613159183SSony Chacko dev_err(&pdev->dev, "Failed to create workqueue\n"); 186713159183SSony Chacko goto err_out_free_netdev; 186813159183SSony Chacko } 1869aa43c215SJeff Kirsher 18702dfc9671SPeter Senna Tschudin err = qlcnic_alloc_adapter_resources(adapter); 18712dfc9671SPeter Senna Tschudin if (err) 1872aa43c215SJeff Kirsher goto err_out_free_netdev; 1873aa43c215SJeff Kirsher 1874aa43c215SJeff Kirsher adapter->dev_rst_time = jiffies; 18757e2cf4feSSony Chacko adapter->ahw->revision_id = pdev->revision; 1876fe1adc6bSJitendra Kalsaria if (qlcnic_mac_learn == FDB_MAC_LEARN) 1877fe1adc6bSJitendra Kalsaria adapter->fdb_mac_learn = true; 1878fe1adc6bSJitendra Kalsaria else if (qlcnic_mac_learn == DRV_MAC_LEARN) 1879fe1adc6bSJitendra Kalsaria adapter->drv_mac_learn = true; 18807e2cf4feSSony Chacko adapter->max_drv_tx_rings = 1; 1881aa43c215SJeff Kirsher 1882aa43c215SJeff Kirsher rwlock_init(&adapter->ahw->crb_lock); 1883aa43c215SJeff Kirsher mutex_init(&adapter->ahw->mem_lock); 1884aa43c215SJeff Kirsher 1885aa43c215SJeff Kirsher spin_lock_init(&adapter->tx_clean_lock); 1886aa43c215SJeff Kirsher INIT_LIST_HEAD(&adapter->mac_list); 1887aa43c215SJeff Kirsher 18887e2cf4feSSony Chacko if (qlcnic_82xx_check(adapter)) { 188913159183SSony Chacko qlcnic_check_vf(adapter, ent); 1890aa43c215SJeff Kirsher adapter->portnum = adapter->ahw->pci_func; 18917e2cf4feSSony Chacko err = qlcnic_start_firmware(adapter); 1892aa43c215SJeff Kirsher if (err) { 18937e2cf4feSSony Chacko dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); 18947e2cf4feSSony Chacko goto err_out_free_hw; 1895aa43c215SJeff Kirsher } 1896aa43c215SJeff Kirsher 1897aa43c215SJeff Kirsher err = qlcnic_setup_idc_param(adapter); 1898aa43c215SJeff Kirsher if (err) 18997e2cf4feSSony Chacko goto err_out_free_hw; 1900aa43c215SJeff Kirsher 1901aa43c215SJeff Kirsher adapter->flags |= QLCNIC_NEED_FLR; 190213159183SSony Chacko } else if (qlcnic_83xx_check(adapter)) { 190313159183SSony Chacko qlcnic_83xx_check_vf(adapter, ent); 190413159183SSony Chacko adapter->portnum = adapter->ahw->pci_func; 1905629263acSSony Chacko err = qlcnic_83xx_init(adapter); 1906629263acSSony Chacko if (err) { 1907629263acSSony Chacko dev_err(&pdev->dev, "%s: failed\n", __func__); 1908629263acSSony Chacko goto err_out_free_hw; 1909629263acSSony Chacko } 191013159183SSony Chacko } else { 191113159183SSony Chacko dev_err(&pdev->dev, 191213159183SSony Chacko "%s: failed. Please Reboot\n", __func__); 191313159183SSony Chacko goto err_out_free_hw; 1914aa43c215SJeff Kirsher } 1915aa43c215SJeff Kirsher 1916aa43c215SJeff Kirsher if (qlcnic_read_mac_addr(adapter)) 1917aa43c215SJeff Kirsher dev_warn(&pdev->dev, "failed to read mac addr\n"); 1918aa43c215SJeff Kirsher 1919aa43c215SJeff Kirsher if (adapter->portnum == 0) { 192022999798SSony Chacko qlcnic_get_board_name(adapter, board_name); 192113159183SSony Chacko 1922aa43c215SJeff Kirsher pr_info("%s: %s Board Chip rev 0x%x\n", 1923aa43c215SJeff Kirsher module_name(THIS_MODULE), 192422999798SSony Chacko board_name, adapter->ahw->revision_id); 1925aa43c215SJeff Kirsher } 1926460374f7SHimanshu Madhani 1927460374f7SHimanshu Madhani if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 1928460374f7SHimanshu Madhani !!qlcnic_use_msi) 1929460374f7SHimanshu Madhani dev_warn(&pdev->dev, 1930460374f7SHimanshu Madhani "83xx adapter do not support MSI interrupts\n"); 1931460374f7SHimanshu Madhani 19327e2cf4feSSony Chacko err = qlcnic_setup_intr(adapter, 0); 19339a97e705SManish chopra if (err) { 19349a97e705SManish chopra dev_err(&pdev->dev, "Failed to setup interrupt\n"); 19357e2cf4feSSony Chacko goto err_out_disable_msi; 19369a97e705SManish chopra } 19377e2cf4feSSony Chacko 193813159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 193913159183SSony Chacko err = qlcnic_83xx_setup_mbx_intr(adapter); 194013159183SSony Chacko if (err) 194113159183SSony Chacko goto err_out_disable_msi; 194213159183SSony Chacko } 1943aa43c215SJeff Kirsher 1944aa43c215SJeff Kirsher err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 1945aa43c215SJeff Kirsher if (err) 19467e2cf4feSSony Chacko goto err_out_disable_mbx_intr; 1947aa43c215SJeff Kirsher 1948c84e340aSSritej Velaga if (qlcnic_82xx_check(adapter)) { 1949c84e340aSSritej Velaga if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1950c84e340aSSritej Velaga capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 1951c84e340aSSritej Velaga if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB) 1952c84e340aSSritej Velaga qlcnic_fw_cmd_set_drv_version(adapter); 1953c84e340aSSritej Velaga } 1954c84e340aSSritej Velaga } 1955c84e340aSSritej Velaga 1956aa43c215SJeff Kirsher pci_set_drvdata(pdev, adapter); 1957aa43c215SJeff Kirsher 195897ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 195997ee45ebSSony Chacko qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 196097ee45ebSSony Chacko FW_POLL_DELAY); 1961aa43c215SJeff Kirsher 1962aa43c215SJeff Kirsher switch (adapter->ahw->port_type) { 1963aa43c215SJeff Kirsher case QLCNIC_GBE: 1964aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 1965aa43c215SJeff Kirsher adapter->netdev->name); 1966aa43c215SJeff Kirsher break; 1967aa43c215SJeff Kirsher case QLCNIC_XGBE: 1968aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 1969aa43c215SJeff Kirsher adapter->netdev->name); 1970aa43c215SJeff Kirsher break; 1971aa43c215SJeff Kirsher } 1972aa43c215SJeff Kirsher 19737e2cf4feSSony Chacko if (qlcnic_get_act_pci_func(adapter)) 19747e2cf4feSSony Chacko goto err_out_disable_mbx_intr; 19757e2cf4feSSony Chacko 1976fe1adc6bSJitendra Kalsaria if (adapter->drv_mac_learn) 1977aa43c215SJeff Kirsher qlcnic_alloc_lb_filters_mem(adapter); 1978aa43c215SJeff Kirsher 19797e2cf4feSSony Chacko qlcnic_add_sysfs(adapter); 1980aa43c215SJeff Kirsher 1981aa43c215SJeff Kirsher return 0; 1982aa43c215SJeff Kirsher 19837e2cf4feSSony Chacko err_out_disable_mbx_intr: 19847dd90cf1SSucheta Chakraborty if (qlcnic_83xx_check(adapter)) 198513159183SSony Chacko qlcnic_83xx_free_mbx_intr(adapter); 19867e2cf4feSSony Chacko 1987aa43c215SJeff Kirsher err_out_disable_msi: 1988aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 19897e2cf4feSSony Chacko qlcnic_cancel_idc_work(adapter); 1990aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 1991aa43c215SJeff Kirsher 1992aa43c215SJeff Kirsher err_out_free_hw: 1993aa43c215SJeff Kirsher qlcnic_free_adapter_resources(adapter); 1994aa43c215SJeff Kirsher 1995aa43c215SJeff Kirsher err_out_free_netdev: 1996aa43c215SJeff Kirsher free_netdev(netdev); 1997aa43c215SJeff Kirsher 19987e2cf4feSSony Chacko err_out_iounmap: 19997e2cf4feSSony Chacko qlcnic_cleanup_pci_map(adapter); 20007e2cf4feSSony Chacko 20017e2cf4feSSony Chacko err_out_free_hw_res: 20027e2cf4feSSony Chacko kfree(ahw); 20037e2cf4feSSony Chacko 2004aa43c215SJeff Kirsher err_out_free_res: 2005aa43c215SJeff Kirsher pci_release_regions(pdev); 2006aa43c215SJeff Kirsher 2007aa43c215SJeff Kirsher err_out_disable_pdev: 2008aa43c215SJeff Kirsher pci_set_drvdata(pdev, NULL); 2009aa43c215SJeff Kirsher pci_disable_device(pdev); 2010aa43c215SJeff Kirsher return err; 2011aa43c215SJeff Kirsher } 2012aa43c215SJeff Kirsher 20136bb58bb0SBill Pemberton static void qlcnic_remove(struct pci_dev *pdev) 2014aa43c215SJeff Kirsher { 2015aa43c215SJeff Kirsher struct qlcnic_adapter *adapter; 2016aa43c215SJeff Kirsher struct net_device *netdev; 201713159183SSony Chacko struct qlcnic_hardware_context *ahw; 2018aa43c215SJeff Kirsher 2019aa43c215SJeff Kirsher adapter = pci_get_drvdata(pdev); 2020aa43c215SJeff Kirsher if (adapter == NULL) 2021aa43c215SJeff Kirsher return; 2022aa43c215SJeff Kirsher 2023aa43c215SJeff Kirsher netdev = adapter->netdev; 2024aa43c215SJeff Kirsher 202513159183SSony Chacko qlcnic_cancel_idc_work(adapter); 202613159183SSony Chacko ahw = adapter->ahw; 2027aa43c215SJeff Kirsher 2028aa43c215SJeff Kirsher unregister_netdev(netdev); 2029aa43c215SJeff Kirsher 203013159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 203113159183SSony Chacko qlcnic_83xx_free_mbx_intr(adapter); 20323d73b5fdSJitendra Kalsaria qlcnic_83xx_register_nic_idc_func(adapter, 0); 20333d73b5fdSJitendra Kalsaria cancel_delayed_work_sync(&adapter->idc_aen_work); 203413159183SSony Chacko } 203513159183SSony Chacko 2036aa43c215SJeff Kirsher qlcnic_detach(adapter); 2037aa43c215SJeff Kirsher 2038aa43c215SJeff Kirsher if (adapter->npars != NULL) 2039aa43c215SJeff Kirsher kfree(adapter->npars); 2040aa43c215SJeff Kirsher if (adapter->eswitch != NULL) 2041aa43c215SJeff Kirsher kfree(adapter->eswitch); 2042aa43c215SJeff Kirsher 204397ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 2044aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 2045aa43c215SJeff Kirsher 2046aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 2047aa43c215SJeff Kirsher 2048aa43c215SJeff Kirsher qlcnic_free_lb_filters_mem(adapter); 2049aa43c215SJeff Kirsher 2050aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 2051aa43c215SJeff Kirsher 205213159183SSony Chacko qlcnic_remove_sysfs(adapter); 2053aa43c215SJeff Kirsher 2054aa43c215SJeff Kirsher qlcnic_cleanup_pci_map(adapter); 2055aa43c215SJeff Kirsher 2056aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 2057aa43c215SJeff Kirsher 2058aa43c215SJeff Kirsher pci_disable_pcie_error_reporting(pdev); 2059aa43c215SJeff Kirsher pci_release_regions(pdev); 2060aa43c215SJeff Kirsher pci_disable_device(pdev); 2061aa43c215SJeff Kirsher pci_set_drvdata(pdev, NULL); 2062aa43c215SJeff Kirsher 206313159183SSony Chacko if (adapter->qlcnic_wq) { 206413159183SSony Chacko destroy_workqueue(adapter->qlcnic_wq); 206513159183SSony Chacko adapter->qlcnic_wq = NULL; 206613159183SSony Chacko } 2067aa43c215SJeff Kirsher qlcnic_free_adapter_resources(adapter); 206813159183SSony Chacko kfree(ahw); 2069aa43c215SJeff Kirsher free_netdev(netdev); 2070aa43c215SJeff Kirsher } 2071aa43c215SJeff Kirsher static int __qlcnic_shutdown(struct pci_dev *pdev) 2072aa43c215SJeff Kirsher { 2073aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2074aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 2075aa43c215SJeff Kirsher int retval; 2076aa43c215SJeff Kirsher 2077aa43c215SJeff Kirsher netif_device_detach(netdev); 2078aa43c215SJeff Kirsher 207913159183SSony Chacko qlcnic_cancel_idc_work(adapter); 2080aa43c215SJeff Kirsher 2081aa43c215SJeff Kirsher if (netif_running(netdev)) 2082aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 2083aa43c215SJeff Kirsher 208497ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 2085aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 2086aa43c215SJeff Kirsher 2087aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 2088aa43c215SJeff Kirsher 2089aa43c215SJeff Kirsher retval = pci_save_state(pdev); 2090aa43c215SJeff Kirsher if (retval) 2091aa43c215SJeff Kirsher return retval; 209297ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) { 2093aa43c215SJeff Kirsher if (qlcnic_wol_supported(adapter)) { 2094aa43c215SJeff Kirsher pci_enable_wake(pdev, PCI_D3cold, 1); 2095aa43c215SJeff Kirsher pci_enable_wake(pdev, PCI_D3hot, 1); 2096aa43c215SJeff Kirsher } 209797ee45ebSSony Chacko } 2098aa43c215SJeff Kirsher 2099aa43c215SJeff Kirsher return 0; 2100aa43c215SJeff Kirsher } 2101aa43c215SJeff Kirsher 2102aa43c215SJeff Kirsher static void qlcnic_shutdown(struct pci_dev *pdev) 2103aa43c215SJeff Kirsher { 2104aa43c215SJeff Kirsher if (__qlcnic_shutdown(pdev)) 2105aa43c215SJeff Kirsher return; 2106aa43c215SJeff Kirsher 2107aa43c215SJeff Kirsher pci_disable_device(pdev); 2108aa43c215SJeff Kirsher } 2109aa43c215SJeff Kirsher 2110aa43c215SJeff Kirsher #ifdef CONFIG_PM 2111aa43c215SJeff Kirsher static int 2112aa43c215SJeff Kirsher qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2113aa43c215SJeff Kirsher { 2114aa43c215SJeff Kirsher int retval; 2115aa43c215SJeff Kirsher 2116aa43c215SJeff Kirsher retval = __qlcnic_shutdown(pdev); 2117aa43c215SJeff Kirsher if (retval) 2118aa43c215SJeff Kirsher return retval; 2119aa43c215SJeff Kirsher 2120aa43c215SJeff Kirsher pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2121aa43c215SJeff Kirsher return 0; 2122aa43c215SJeff Kirsher } 2123aa43c215SJeff Kirsher 2124aa43c215SJeff Kirsher static int 2125aa43c215SJeff Kirsher qlcnic_resume(struct pci_dev *pdev) 2126aa43c215SJeff Kirsher { 2127aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2128aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 2129aa43c215SJeff Kirsher int err; 2130aa43c215SJeff Kirsher 2131aa43c215SJeff Kirsher err = pci_enable_device(pdev); 2132aa43c215SJeff Kirsher if (err) 2133aa43c215SJeff Kirsher return err; 2134aa43c215SJeff Kirsher 2135aa43c215SJeff Kirsher pci_set_power_state(pdev, PCI_D0); 2136aa43c215SJeff Kirsher pci_set_master(pdev); 2137aa43c215SJeff Kirsher pci_restore_state(pdev); 2138aa43c215SJeff Kirsher 213913159183SSony Chacko err = qlcnic_start_firmware(adapter); 2140aa43c215SJeff Kirsher if (err) { 2141aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to start firmware\n"); 2142aa43c215SJeff Kirsher return err; 2143aa43c215SJeff Kirsher } 2144aa43c215SJeff Kirsher 2145aa43c215SJeff Kirsher if (netif_running(netdev)) { 2146aa43c215SJeff Kirsher err = qlcnic_up(adapter, netdev); 2147aa43c215SJeff Kirsher if (err) 2148aa43c215SJeff Kirsher goto done; 2149aa43c215SJeff Kirsher 2150aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2151aa43c215SJeff Kirsher } 2152aa43c215SJeff Kirsher done: 2153aa43c215SJeff Kirsher netif_device_attach(netdev); 2154aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 2155aa43c215SJeff Kirsher return 0; 2156aa43c215SJeff Kirsher } 2157aa43c215SJeff Kirsher #endif 2158aa43c215SJeff Kirsher 2159aa43c215SJeff Kirsher static int qlcnic_open(struct net_device *netdev) 2160aa43c215SJeff Kirsher { 2161aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2162aa43c215SJeff Kirsher int err; 2163aa43c215SJeff Kirsher 2164aa43c215SJeff Kirsher netif_carrier_off(netdev); 2165aa43c215SJeff Kirsher 2166aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 2167aa43c215SJeff Kirsher if (err) 2168aa43c215SJeff Kirsher return err; 2169aa43c215SJeff Kirsher 2170aa43c215SJeff Kirsher err = __qlcnic_up(adapter, netdev); 2171aa43c215SJeff Kirsher if (err) 2172aa43c215SJeff Kirsher goto err_out; 2173aa43c215SJeff Kirsher 2174aa43c215SJeff Kirsher netif_start_queue(netdev); 2175aa43c215SJeff Kirsher 2176aa43c215SJeff Kirsher return 0; 2177aa43c215SJeff Kirsher 2178aa43c215SJeff Kirsher err_out: 2179aa43c215SJeff Kirsher qlcnic_detach(adapter); 2180aa43c215SJeff Kirsher return err; 2181aa43c215SJeff Kirsher } 2182aa43c215SJeff Kirsher 2183aa43c215SJeff Kirsher /* 2184aa43c215SJeff Kirsher * qlcnic_close - Disables a network interface entry point 2185aa43c215SJeff Kirsher */ 2186aa43c215SJeff Kirsher static int qlcnic_close(struct net_device *netdev) 2187aa43c215SJeff Kirsher { 2188aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2189aa43c215SJeff Kirsher 2190aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 219113159183SSony Chacko 2192aa43c215SJeff Kirsher return 0; 2193aa43c215SJeff Kirsher } 2194aa43c215SJeff Kirsher 2195aa43c215SJeff Kirsher void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2196aa43c215SJeff Kirsher { 2197aa43c215SJeff Kirsher void *head; 2198aa43c215SJeff Kirsher int i; 219913159183SSony Chacko struct net_device *netdev = adapter->netdev; 220013159183SSony Chacko u32 filter_size = 0; 220113159183SSony Chacko u16 act_pci_func = 0; 2202aa43c215SJeff Kirsher 2203aa43c215SJeff Kirsher if (adapter->fhash.fmax && adapter->fhash.fhead) 2204aa43c215SJeff Kirsher return; 2205aa43c215SJeff Kirsher 220613159183SSony Chacko act_pci_func = adapter->ahw->act_pci_func; 2207aa43c215SJeff Kirsher spin_lock_init(&adapter->mac_learn_lock); 220853643a75SShahed Shaikh spin_lock_init(&adapter->rx_mac_learn_lock); 2209aa43c215SJeff Kirsher 221013159183SSony Chacko if (qlcnic_82xx_check(adapter)) { 221113159183SSony Chacko filter_size = QLCNIC_LB_MAX_FILTERS; 221213159183SSony Chacko adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 221313159183SSony Chacko } else { 221413159183SSony Chacko filter_size = QLC_83XX_LB_MAX_FILTERS; 221513159183SSony Chacko adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 221613159183SSony Chacko } 221713159183SSony Chacko 221813159183SSony Chacko head = kcalloc(adapter->fhash.fbucket_size, 22191d9219ddSJitendra Kalsaria sizeof(struct hlist_head), GFP_ATOMIC); 222013159183SSony Chacko 2221aa43c215SJeff Kirsher if (!head) 2222aa43c215SJeff Kirsher return; 2223aa43c215SJeff Kirsher 222413159183SSony Chacko adapter->fhash.fmax = (filter_size / act_pci_func); 2225aa43c215SJeff Kirsher adapter->fhash.fhead = head; 2226aa43c215SJeff Kirsher 222713159183SSony Chacko netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 222813159183SSony Chacko act_pci_func, adapter->fhash.fmax); 222913159183SSony Chacko 223013159183SSony Chacko for (i = 0; i < adapter->fhash.fbucket_size; i++) 2231aa43c215SJeff Kirsher INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 223253643a75SShahed Shaikh 223353643a75SShahed Shaikh adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 223453643a75SShahed Shaikh 223553643a75SShahed Shaikh head = kcalloc(adapter->rx_fhash.fbucket_size, 223653643a75SShahed Shaikh sizeof(struct hlist_head), GFP_ATOMIC); 223753643a75SShahed Shaikh 223853643a75SShahed Shaikh if (!head) 223953643a75SShahed Shaikh return; 224053643a75SShahed Shaikh 224153643a75SShahed Shaikh adapter->rx_fhash.fmax = (filter_size / act_pci_func); 224253643a75SShahed Shaikh adapter->rx_fhash.fhead = head; 224353643a75SShahed Shaikh 224453643a75SShahed Shaikh for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 224553643a75SShahed Shaikh INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2246aa43c215SJeff Kirsher } 2247aa43c215SJeff Kirsher 2248aa43c215SJeff Kirsher static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2249aa43c215SJeff Kirsher { 2250aa43c215SJeff Kirsher if (adapter->fhash.fmax && adapter->fhash.fhead) 2251aa43c215SJeff Kirsher kfree(adapter->fhash.fhead); 2252aa43c215SJeff Kirsher 2253aa43c215SJeff Kirsher adapter->fhash.fhead = NULL; 2254aa43c215SJeff Kirsher adapter->fhash.fmax = 0; 225553643a75SShahed Shaikh 225653643a75SShahed Shaikh if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 225753643a75SShahed Shaikh kfree(adapter->rx_fhash.fhead); 225853643a75SShahed Shaikh 225953643a75SShahed Shaikh adapter->rx_fhash.fmax = 0; 226053643a75SShahed Shaikh adapter->rx_fhash.fhead = NULL; 2261aa43c215SJeff Kirsher } 2262aa43c215SJeff Kirsher 2263629263acSSony Chacko int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2264aa43c215SJeff Kirsher { 2265aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 226697ee45ebSSony Chacko u32 temp_state, temp_val, temp = 0; 2267aa43c215SJeff Kirsher int rv = 0; 2268aa43c215SJeff Kirsher 226913159183SSony Chacko if (qlcnic_83xx_check(adapter)) 227013159183SSony Chacko temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 227113159183SSony Chacko 227297ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 2273a15ebd37SHimanshu Madhani temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2274aa43c215SJeff Kirsher 2275aa43c215SJeff Kirsher temp_state = qlcnic_get_temp_state(temp); 2276aa43c215SJeff Kirsher temp_val = qlcnic_get_temp_val(temp); 2277aa43c215SJeff Kirsher 2278aa43c215SJeff Kirsher if (temp_state == QLCNIC_TEMP_PANIC) { 2279aa43c215SJeff Kirsher dev_err(&netdev->dev, 2280aa43c215SJeff Kirsher "Device temperature %d degrees C exceeds" 2281aa43c215SJeff Kirsher " maximum allowed. Hardware has been shut down.\n", 2282aa43c215SJeff Kirsher temp_val); 2283aa43c215SJeff Kirsher rv = 1; 2284aa43c215SJeff Kirsher } else if (temp_state == QLCNIC_TEMP_WARN) { 228579788450SSony Chacko if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2286aa43c215SJeff Kirsher dev_err(&netdev->dev, 2287aa43c215SJeff Kirsher "Device temperature %d degrees C " 2288aa43c215SJeff Kirsher "exceeds operating range." 2289aa43c215SJeff Kirsher " Immediate action needed.\n", 2290aa43c215SJeff Kirsher temp_val); 2291aa43c215SJeff Kirsher } 2292aa43c215SJeff Kirsher } else { 229379788450SSony Chacko if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2294aa43c215SJeff Kirsher dev_info(&netdev->dev, 2295aa43c215SJeff Kirsher "Device temperature is now %d degrees C" 2296aa43c215SJeff Kirsher " in normal range.\n", temp_val); 2297aa43c215SJeff Kirsher } 2298aa43c215SJeff Kirsher } 229979788450SSony Chacko adapter->ahw->temp = temp_state; 2300aa43c215SJeff Kirsher return rv; 2301aa43c215SJeff Kirsher } 2302aa43c215SJeff Kirsher 2303aa43c215SJeff Kirsher static void qlcnic_tx_timeout(struct net_device *netdev) 2304aa43c215SJeff Kirsher { 2305aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2306aa43c215SJeff Kirsher 2307aa43c215SJeff Kirsher if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2308aa43c215SJeff Kirsher return; 2309aa43c215SJeff Kirsher 2310aa43c215SJeff Kirsher dev_err(&netdev->dev, "transmit timeout, resetting.\n"); 2311aa43c215SJeff Kirsher 2312aa43c215SJeff Kirsher if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) 2313aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 2314aa43c215SJeff Kirsher else 231579788450SSony Chacko adapter->ahw->reset_context = 1; 2316aa43c215SJeff Kirsher } 2317aa43c215SJeff Kirsher 2318aa43c215SJeff Kirsher static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2319aa43c215SJeff Kirsher { 2320aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2321aa43c215SJeff Kirsher struct net_device_stats *stats = &netdev->stats; 2322aa43c215SJeff Kirsher 2323aa43c215SJeff Kirsher stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2324aa43c215SJeff Kirsher stats->tx_packets = adapter->stats.xmitfinished; 2325aa43c215SJeff Kirsher stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2326aa43c215SJeff Kirsher stats->tx_bytes = adapter->stats.txbytes; 2327aa43c215SJeff Kirsher stats->rx_dropped = adapter->stats.rxdropped; 2328aa43c215SJeff Kirsher stats->tx_dropped = adapter->stats.txdropped; 2329aa43c215SJeff Kirsher 2330aa43c215SJeff Kirsher return stats; 2331aa43c215SJeff Kirsher } 2332aa43c215SJeff Kirsher 23337e2cf4feSSony Chacko irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2334aa43c215SJeff Kirsher { 2335aa43c215SJeff Kirsher u32 status; 2336aa43c215SJeff Kirsher 2337aa43c215SJeff Kirsher status = readl(adapter->isr_int_vec); 2338aa43c215SJeff Kirsher 233979788450SSony Chacko if (!(status & adapter->ahw->int_vec_bit)) 2340aa43c215SJeff Kirsher return IRQ_NONE; 2341aa43c215SJeff Kirsher 2342aa43c215SJeff Kirsher /* check interrupt state machine, to be sure */ 2343aa43c215SJeff Kirsher status = readl(adapter->crb_int_state_reg); 2344aa43c215SJeff Kirsher if (!ISR_LEGACY_INT_TRIGGERED(status)) 2345aa43c215SJeff Kirsher return IRQ_NONE; 2346aa43c215SJeff Kirsher 2347aa43c215SJeff Kirsher writel(0xffffffff, adapter->tgt_status_reg); 2348aa43c215SJeff Kirsher /* read twice to ensure write is flushed */ 2349aa43c215SJeff Kirsher readl(adapter->isr_int_vec); 2350aa43c215SJeff Kirsher readl(adapter->isr_int_vec); 2351aa43c215SJeff Kirsher 2352aa43c215SJeff Kirsher return IRQ_HANDLED; 2353aa43c215SJeff Kirsher } 2354aa43c215SJeff Kirsher 2355aa43c215SJeff Kirsher static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2356aa43c215SJeff Kirsher { 2357aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2358aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = sds_ring->adapter; 2359aa43c215SJeff Kirsher 2360aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSIX_ENABLED) 2361aa43c215SJeff Kirsher goto done; 2362aa43c215SJeff Kirsher else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2363aa43c215SJeff Kirsher writel(0xffffffff, adapter->tgt_status_reg); 2364aa43c215SJeff Kirsher goto done; 2365aa43c215SJeff Kirsher } 2366aa43c215SJeff Kirsher 2367aa43c215SJeff Kirsher if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2368aa43c215SJeff Kirsher return IRQ_NONE; 2369aa43c215SJeff Kirsher 2370aa43c215SJeff Kirsher done: 237179788450SSony Chacko adapter->ahw->diag_cnt++; 2372aa43c215SJeff Kirsher qlcnic_enable_int(sds_ring); 2373aa43c215SJeff Kirsher return IRQ_HANDLED; 2374aa43c215SJeff Kirsher } 2375aa43c215SJeff Kirsher 2376aa43c215SJeff Kirsher static irqreturn_t qlcnic_intr(int irq, void *data) 2377aa43c215SJeff Kirsher { 2378aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2379aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = sds_ring->adapter; 2380aa43c215SJeff Kirsher 2381aa43c215SJeff Kirsher if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2382aa43c215SJeff Kirsher return IRQ_NONE; 2383aa43c215SJeff Kirsher 2384aa43c215SJeff Kirsher napi_schedule(&sds_ring->napi); 2385aa43c215SJeff Kirsher 2386aa43c215SJeff Kirsher return IRQ_HANDLED; 2387aa43c215SJeff Kirsher } 2388aa43c215SJeff Kirsher 2389aa43c215SJeff Kirsher static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2390aa43c215SJeff Kirsher { 2391aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2392aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = sds_ring->adapter; 2393aa43c215SJeff Kirsher 2394aa43c215SJeff Kirsher /* clear interrupt */ 2395aa43c215SJeff Kirsher writel(0xffffffff, adapter->tgt_status_reg); 2396aa43c215SJeff Kirsher 2397aa43c215SJeff Kirsher napi_schedule(&sds_ring->napi); 2398aa43c215SJeff Kirsher return IRQ_HANDLED; 2399aa43c215SJeff Kirsher } 2400aa43c215SJeff Kirsher 2401aa43c215SJeff Kirsher static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2402aa43c215SJeff Kirsher { 2403aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2404aa43c215SJeff Kirsher 2405aa43c215SJeff Kirsher napi_schedule(&sds_ring->napi); 2406aa43c215SJeff Kirsher return IRQ_HANDLED; 2407aa43c215SJeff Kirsher } 2408aa43c215SJeff Kirsher 240913159183SSony Chacko static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 241013159183SSony Chacko { 241113159183SSony Chacko struct qlcnic_host_tx_ring *tx_ring = data; 241213159183SSony Chacko 241313159183SSony Chacko napi_schedule(&tx_ring->napi); 241413159183SSony Chacko return IRQ_HANDLED; 241513159183SSony Chacko } 241613159183SSony Chacko 2417aa43c215SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 2418aa43c215SJeff Kirsher static void qlcnic_poll_controller(struct net_device *netdev) 2419aa43c215SJeff Kirsher { 2420aa43c215SJeff Kirsher int ring; 2421aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 2422aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2423aa43c215SJeff Kirsher struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2424aa43c215SJeff Kirsher 2425aa43c215SJeff Kirsher disable_irq(adapter->irq); 2426aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2427aa43c215SJeff Kirsher sds_ring = &recv_ctx->sds_rings[ring]; 2428aa43c215SJeff Kirsher qlcnic_intr(adapter->irq, sds_ring); 2429aa43c215SJeff Kirsher } 2430aa43c215SJeff Kirsher enable_irq(adapter->irq); 2431aa43c215SJeff Kirsher } 2432aa43c215SJeff Kirsher #endif 2433aa43c215SJeff Kirsher 2434aa43c215SJeff Kirsher static void 2435aa43c215SJeff Kirsher qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2436aa43c215SJeff Kirsher { 2437aa43c215SJeff Kirsher u32 val; 2438aa43c215SJeff Kirsher 2439aa43c215SJeff Kirsher val = adapter->portnum & 0xf; 2440aa43c215SJeff Kirsher val |= encoding << 7; 2441aa43c215SJeff Kirsher val |= (jiffies - adapter->dev_rst_time) << 8; 2442aa43c215SJeff Kirsher 2443a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2444aa43c215SJeff Kirsher adapter->dev_rst_time = jiffies; 2445aa43c215SJeff Kirsher } 2446aa43c215SJeff Kirsher 2447aa43c215SJeff Kirsher static int 2448aa43c215SJeff Kirsher qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2449aa43c215SJeff Kirsher { 2450aa43c215SJeff Kirsher u32 val; 2451aa43c215SJeff Kirsher 2452aa43c215SJeff Kirsher WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2453aa43c215SJeff Kirsher state != QLCNIC_DEV_NEED_QUISCENT); 2454aa43c215SJeff Kirsher 2455aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2456aa43c215SJeff Kirsher return -EIO; 2457aa43c215SJeff Kirsher 2458a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2459aa43c215SJeff Kirsher 2460aa43c215SJeff Kirsher if (state == QLCNIC_DEV_NEED_RESET) 2461aa43c215SJeff Kirsher QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2462aa43c215SJeff Kirsher else if (state == QLCNIC_DEV_NEED_QUISCENT) 2463aa43c215SJeff Kirsher QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2464aa43c215SJeff Kirsher 2465a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2466aa43c215SJeff Kirsher 2467aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2468aa43c215SJeff Kirsher 2469aa43c215SJeff Kirsher return 0; 2470aa43c215SJeff Kirsher } 2471aa43c215SJeff Kirsher 2472aa43c215SJeff Kirsher static int 2473aa43c215SJeff Kirsher qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2474aa43c215SJeff Kirsher { 2475aa43c215SJeff Kirsher u32 val; 2476aa43c215SJeff Kirsher 2477aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2478aa43c215SJeff Kirsher return -EBUSY; 2479aa43c215SJeff Kirsher 2480a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2481aa43c215SJeff Kirsher QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2482a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2483aa43c215SJeff Kirsher 2484aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2485aa43c215SJeff Kirsher 2486aa43c215SJeff Kirsher return 0; 2487aa43c215SJeff Kirsher } 2488aa43c215SJeff Kirsher 2489aa43c215SJeff Kirsher static void 2490aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2491aa43c215SJeff Kirsher { 2492aa43c215SJeff Kirsher u32 val; 2493aa43c215SJeff Kirsher 2494aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2495aa43c215SJeff Kirsher goto err; 2496aa43c215SJeff Kirsher 2497a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2498aa43c215SJeff Kirsher QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2499a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2500aa43c215SJeff Kirsher 2501aa43c215SJeff Kirsher if (failed) { 2502a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2503a15ebd37SHimanshu Madhani QLCNIC_DEV_FAILED); 2504aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 2505aa43c215SJeff Kirsher "Device state set to Failed. Please Reboot\n"); 2506aa43c215SJeff Kirsher } else if (!(val & 0x11111111)) 2507a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2508a15ebd37SHimanshu Madhani QLCNIC_DEV_COLD); 2509aa43c215SJeff Kirsher 2510a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2511aa43c215SJeff Kirsher QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2512a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2513aa43c215SJeff Kirsher 2514aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2515aa43c215SJeff Kirsher err: 2516aa43c215SJeff Kirsher adapter->fw_fail_cnt = 0; 2517aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_FW_HANG; 2518aa43c215SJeff Kirsher clear_bit(__QLCNIC_START_FW, &adapter->state); 2519aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 2520aa43c215SJeff Kirsher } 2521aa43c215SJeff Kirsher 2522aa43c215SJeff Kirsher /* Grab api lock, before checking state */ 2523aa43c215SJeff Kirsher static int 2524aa43c215SJeff Kirsher qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2525aa43c215SJeff Kirsher { 2526aa43c215SJeff Kirsher int act, state, active_mask; 2527a15ebd37SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 2528aa43c215SJeff Kirsher 2529a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2530a15ebd37SHimanshu Madhani act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2531aa43c215SJeff Kirsher 2532aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2533a15ebd37SHimanshu Madhani active_mask = (~(1 << (ahw->pci_func * 4))); 2534aa43c215SJeff Kirsher act = act & active_mask; 2535aa43c215SJeff Kirsher } 2536aa43c215SJeff Kirsher 2537aa43c215SJeff Kirsher if (((state & 0x11111111) == (act & 0x11111111)) || 2538aa43c215SJeff Kirsher ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2539aa43c215SJeff Kirsher return 0; 2540aa43c215SJeff Kirsher else 2541aa43c215SJeff Kirsher return 1; 2542aa43c215SJeff Kirsher } 2543aa43c215SJeff Kirsher 2544aa43c215SJeff Kirsher static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2545aa43c215SJeff Kirsher { 2546a15ebd37SHimanshu Madhani u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2547aa43c215SJeff Kirsher 2548aa43c215SJeff Kirsher if (val != QLCNIC_DRV_IDC_VER) { 2549aa43c215SJeff Kirsher dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2550aa43c215SJeff Kirsher " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2551aa43c215SJeff Kirsher } 2552aa43c215SJeff Kirsher 2553aa43c215SJeff Kirsher return 0; 2554aa43c215SJeff Kirsher } 2555aa43c215SJeff Kirsher 2556aa43c215SJeff Kirsher static int 2557aa43c215SJeff Kirsher qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2558aa43c215SJeff Kirsher { 2559aa43c215SJeff Kirsher u32 val, prev_state; 2560aa43c215SJeff Kirsher u8 dev_init_timeo = adapter->dev_init_timeo; 2561aa43c215SJeff Kirsher u8 portnum = adapter->portnum; 2562aa43c215SJeff Kirsher u8 ret; 2563aa43c215SJeff Kirsher 2564aa43c215SJeff Kirsher if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2565aa43c215SJeff Kirsher return 1; 2566aa43c215SJeff Kirsher 2567aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2568aa43c215SJeff Kirsher return -1; 2569aa43c215SJeff Kirsher 2570a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2571aa43c215SJeff Kirsher if (!(val & (1 << (portnum * 4)))) { 2572aa43c215SJeff Kirsher QLC_DEV_SET_REF_CNT(val, portnum); 2573a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2574aa43c215SJeff Kirsher } 2575aa43c215SJeff Kirsher 2576a15ebd37SHimanshu Madhani prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2577aa43c215SJeff Kirsher QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2578aa43c215SJeff Kirsher 2579aa43c215SJeff Kirsher switch (prev_state) { 2580aa43c215SJeff Kirsher case QLCNIC_DEV_COLD: 2581a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2582a15ebd37SHimanshu Madhani QLCNIC_DEV_INITIALIZING); 2583a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2584a15ebd37SHimanshu Madhani QLCNIC_DRV_IDC_VER); 2585aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 0); 2586aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2587aa43c215SJeff Kirsher return 1; 2588aa43c215SJeff Kirsher 2589aa43c215SJeff Kirsher case QLCNIC_DEV_READY: 2590aa43c215SJeff Kirsher ret = qlcnic_check_idc_ver(adapter); 2591aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2592aa43c215SJeff Kirsher return ret; 2593aa43c215SJeff Kirsher 2594aa43c215SJeff Kirsher case QLCNIC_DEV_NEED_RESET: 2595a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2596aa43c215SJeff Kirsher QLC_DEV_SET_RST_RDY(val, portnum); 2597a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2598aa43c215SJeff Kirsher break; 2599aa43c215SJeff Kirsher 2600aa43c215SJeff Kirsher case QLCNIC_DEV_NEED_QUISCENT: 2601a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2602aa43c215SJeff Kirsher QLC_DEV_SET_QSCNT_RDY(val, portnum); 2603a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2604aa43c215SJeff Kirsher break; 2605aa43c215SJeff Kirsher 2606aa43c215SJeff Kirsher case QLCNIC_DEV_FAILED: 2607aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 2608aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2609aa43c215SJeff Kirsher return -1; 2610aa43c215SJeff Kirsher 2611aa43c215SJeff Kirsher case QLCNIC_DEV_INITIALIZING: 2612aa43c215SJeff Kirsher case QLCNIC_DEV_QUISCENT: 2613aa43c215SJeff Kirsher break; 2614aa43c215SJeff Kirsher } 2615aa43c215SJeff Kirsher 2616aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2617aa43c215SJeff Kirsher 2618aa43c215SJeff Kirsher do { 2619aa43c215SJeff Kirsher msleep(1000); 2620a15ebd37SHimanshu Madhani prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2621aa43c215SJeff Kirsher 2622aa43c215SJeff Kirsher if (prev_state == QLCNIC_DEV_QUISCENT) 2623aa43c215SJeff Kirsher continue; 2624aa43c215SJeff Kirsher } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 2625aa43c215SJeff Kirsher 2626aa43c215SJeff Kirsher if (!dev_init_timeo) { 2627aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, 2628aa43c215SJeff Kirsher "Waiting for device to initialize timeout\n"); 2629aa43c215SJeff Kirsher return -1; 2630aa43c215SJeff Kirsher } 2631aa43c215SJeff Kirsher 2632aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2633aa43c215SJeff Kirsher return -1; 2634aa43c215SJeff Kirsher 2635a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2636aa43c215SJeff Kirsher QLC_DEV_CLR_RST_QSCNT(val, portnum); 2637a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2638aa43c215SJeff Kirsher 2639aa43c215SJeff Kirsher ret = qlcnic_check_idc_ver(adapter); 2640aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2641aa43c215SJeff Kirsher 2642aa43c215SJeff Kirsher return ret; 2643aa43c215SJeff Kirsher } 2644aa43c215SJeff Kirsher 2645aa43c215SJeff Kirsher static void 2646aa43c215SJeff Kirsher qlcnic_fwinit_work(struct work_struct *work) 2647aa43c215SJeff Kirsher { 2648aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 2649aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 2650aa43c215SJeff Kirsher u32 dev_state = 0xf; 2651aa43c215SJeff Kirsher u32 val; 2652aa43c215SJeff Kirsher 2653aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2654aa43c215SJeff Kirsher goto err_ret; 2655aa43c215SJeff Kirsher 2656a15ebd37SHimanshu Madhani dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2657aa43c215SJeff Kirsher if (dev_state == QLCNIC_DEV_QUISCENT || 2658aa43c215SJeff Kirsher dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2659aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2660aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 2661aa43c215SJeff Kirsher FW_POLL_DELAY * 2); 2662aa43c215SJeff Kirsher return; 2663aa43c215SJeff Kirsher } 2664aa43c215SJeff Kirsher 266579788450SSony Chacko if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 2666aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2667aa43c215SJeff Kirsher goto wait_npar; 2668aa43c215SJeff Kirsher } 2669aa43c215SJeff Kirsher 267016e3cf73SSritej Velaga if (dev_state == QLCNIC_DEV_INITIALIZING || 267116e3cf73SSritej Velaga dev_state == QLCNIC_DEV_READY) { 267216e3cf73SSritej Velaga dev_info(&adapter->pdev->dev, "Detected state change from " 267316e3cf73SSritej Velaga "DEV_NEED_RESET, skipping ack check\n"); 267416e3cf73SSritej Velaga goto skip_ack_check; 267516e3cf73SSritej Velaga } 267616e3cf73SSritej Velaga 2677aa43c215SJeff Kirsher if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 267816e3cf73SSritej Velaga dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 2679aa43c215SJeff Kirsher adapter->reset_ack_timeo); 2680aa43c215SJeff Kirsher goto skip_ack_check; 2681aa43c215SJeff Kirsher } 2682aa43c215SJeff Kirsher 2683aa43c215SJeff Kirsher if (!qlcnic_check_drv_state(adapter)) { 2684aa43c215SJeff Kirsher skip_ack_check: 2685a15ebd37SHimanshu Madhani dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2686aa43c215SJeff Kirsher 2687aa43c215SJeff Kirsher if (dev_state == QLCNIC_DEV_NEED_RESET) { 2688a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2689aa43c215SJeff Kirsher QLCNIC_DEV_INITIALIZING); 2690aa43c215SJeff Kirsher set_bit(__QLCNIC_START_FW, &adapter->state); 2691aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Restarting fw\n"); 2692aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 0); 2693a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, 2694a15ebd37SHimanshu Madhani QLCNIC_CRB_DRV_STATE); 2695aa43c215SJeff Kirsher QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2696a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, 2697a15ebd37SHimanshu Madhani QLCNIC_CRB_DRV_STATE, val); 2698aa43c215SJeff Kirsher } 2699aa43c215SJeff Kirsher 2700aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2701aa43c215SJeff Kirsher 2702aa43c215SJeff Kirsher rtnl_lock(); 2703aa43c215SJeff Kirsher if (adapter->ahw->fw_dump.enable && 2704aa43c215SJeff Kirsher (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2705aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Take FW dump\n"); 2706aa43c215SJeff Kirsher qlcnic_dump_fw(adapter); 2707aa43c215SJeff Kirsher adapter->flags |= QLCNIC_FW_HANG; 2708aa43c215SJeff Kirsher } 2709aa43c215SJeff Kirsher rtnl_unlock(); 2710aa43c215SJeff Kirsher 2711aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 2712aa43c215SJeff Kirsher if (!adapter->nic_ops->start_firmware(adapter)) { 2713aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2714aa43c215SJeff Kirsher adapter->fw_wait_cnt = 0; 2715aa43c215SJeff Kirsher return; 2716aa43c215SJeff Kirsher } 2717aa43c215SJeff Kirsher goto err_ret; 2718aa43c215SJeff Kirsher } 2719aa43c215SJeff Kirsher 2720aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2721aa43c215SJeff Kirsher 2722aa43c215SJeff Kirsher wait_npar: 2723a15ebd37SHimanshu Madhani dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2724aa43c215SJeff Kirsher QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 2725aa43c215SJeff Kirsher 2726aa43c215SJeff Kirsher switch (dev_state) { 2727aa43c215SJeff Kirsher case QLCNIC_DEV_READY: 27287e2cf4feSSony Chacko if (!qlcnic_start_firmware(adapter)) { 2729aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2730aa43c215SJeff Kirsher adapter->fw_wait_cnt = 0; 2731aa43c215SJeff Kirsher return; 2732aa43c215SJeff Kirsher } 2733aa43c215SJeff Kirsher case QLCNIC_DEV_FAILED: 2734aa43c215SJeff Kirsher break; 2735aa43c215SJeff Kirsher default: 2736aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, 2737aa43c215SJeff Kirsher qlcnic_fwinit_work, FW_POLL_DELAY); 2738aa43c215SJeff Kirsher return; 2739aa43c215SJeff Kirsher } 2740aa43c215SJeff Kirsher 2741aa43c215SJeff Kirsher err_ret: 2742aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 2743aa43c215SJeff Kirsher "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 2744aa43c215SJeff Kirsher netif_device_attach(adapter->netdev); 2745aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 2746aa43c215SJeff Kirsher } 2747aa43c215SJeff Kirsher 2748aa43c215SJeff Kirsher static void 2749aa43c215SJeff Kirsher qlcnic_detach_work(struct work_struct *work) 2750aa43c215SJeff Kirsher { 2751aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 2752aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 2753aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 2754aa43c215SJeff Kirsher u32 status; 2755aa43c215SJeff Kirsher 2756aa43c215SJeff Kirsher netif_device_detach(netdev); 2757aa43c215SJeff Kirsher 2758aa43c215SJeff Kirsher /* Dont grab rtnl lock during Quiscent mode */ 2759aa43c215SJeff Kirsher if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2760aa43c215SJeff Kirsher if (netif_running(netdev)) 2761aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 2762aa43c215SJeff Kirsher } else 2763aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 2764aa43c215SJeff Kirsher 2765a15ebd37SHimanshu Madhani status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 2766aa43c215SJeff Kirsher 276744f65b29SSony Chacko if (status & QLCNIC_RCODE_FATAL_ERROR) { 276844f65b29SSony Chacko dev_err(&adapter->pdev->dev, 276944f65b29SSony Chacko "Detaching the device: peg halt status1=0x%x\n", 277044f65b29SSony Chacko status); 2771aa43c215SJeff Kirsher 277244f65b29SSony Chacko if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 277344f65b29SSony Chacko dev_err(&adapter->pdev->dev, 277444f65b29SSony Chacko "On board active cooling fan failed. " 277544f65b29SSony Chacko "Device has been halted.\n"); 277644f65b29SSony Chacko dev_err(&adapter->pdev->dev, 277744f65b29SSony Chacko "Replace the adapter.\n"); 277844f65b29SSony Chacko } 277944f65b29SSony Chacko 2780aa43c215SJeff Kirsher goto err_ret; 278144f65b29SSony Chacko } 278244f65b29SSony Chacko 278379788450SSony Chacko if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 278444f65b29SSony Chacko dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 278579788450SSony Chacko adapter->ahw->temp); 278644f65b29SSony Chacko goto err_ret; 278744f65b29SSony Chacko } 278844f65b29SSony Chacko 2789aa43c215SJeff Kirsher /* Dont ack if this instance is the reset owner */ 2790aa43c215SJeff Kirsher if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 279144f65b29SSony Chacko if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 279244f65b29SSony Chacko dev_err(&adapter->pdev->dev, 279344f65b29SSony Chacko "Failed to set driver state," 279444f65b29SSony Chacko "detaching the device.\n"); 2795aa43c215SJeff Kirsher goto err_ret; 2796aa43c215SJeff Kirsher } 279744f65b29SSony Chacko } 2798aa43c215SJeff Kirsher 2799aa43c215SJeff Kirsher adapter->fw_wait_cnt = 0; 2800aa43c215SJeff Kirsher 2801aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 2802aa43c215SJeff Kirsher 2803aa43c215SJeff Kirsher return; 2804aa43c215SJeff Kirsher 2805aa43c215SJeff Kirsher err_ret: 2806aa43c215SJeff Kirsher netif_device_attach(netdev); 2807aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 1); 2808aa43c215SJeff Kirsher } 2809aa43c215SJeff Kirsher 2810aa43c215SJeff Kirsher /*Transit NPAR state to NON Operational */ 2811aa43c215SJeff Kirsher static void 2812aa43c215SJeff Kirsher qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 2813aa43c215SJeff Kirsher { 2814aa43c215SJeff Kirsher u32 state; 2815aa43c215SJeff Kirsher 2816a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 2817aa43c215SJeff Kirsher if (state == QLCNIC_DEV_NPAR_NON_OPER) 2818aa43c215SJeff Kirsher return; 2819aa43c215SJeff Kirsher 2820aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2821aa43c215SJeff Kirsher return; 2822a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 2823a15ebd37SHimanshu Madhani QLCNIC_DEV_NPAR_NON_OPER); 2824aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2825aa43c215SJeff Kirsher } 2826aa43c215SJeff Kirsher 28277e2cf4feSSony Chacko void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 2828aa43c215SJeff Kirsher { 2829646779f1SSritej Velaga u32 state, xg_val = 0, gb_val = 0; 2830aa43c215SJeff Kirsher 2831646779f1SSritej Velaga qlcnic_xg_set_xg0_mask(xg_val); 2832646779f1SSritej Velaga qlcnic_xg_set_xg1_mask(xg_val); 2833646779f1SSritej Velaga QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 2834646779f1SSritej Velaga qlcnic_gb_set_gb0_mask(gb_val); 2835646779f1SSritej Velaga qlcnic_gb_set_gb1_mask(gb_val); 2836646779f1SSritej Velaga qlcnic_gb_set_gb2_mask(gb_val); 2837646779f1SSritej Velaga qlcnic_gb_set_gb3_mask(gb_val); 2838646779f1SSritej Velaga QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 2839646779f1SSritej Velaga dev_info(&adapter->pdev->dev, "Pause control frames disabled" 2840646779f1SSritej Velaga " on all ports\n"); 2841aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 284213159183SSony Chacko 2843aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2844aa43c215SJeff Kirsher return; 2845aa43c215SJeff Kirsher 284613159183SSony Chacko state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2847aa43c215SJeff Kirsher 2848aa43c215SJeff Kirsher if (state == QLCNIC_DEV_READY) { 284913159183SSony Chacko QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 285013159183SSony Chacko QLCNIC_DEV_NEED_RESET); 2851aa43c215SJeff Kirsher adapter->flags |= QLCNIC_FW_RESET_OWNER; 2852aa43c215SJeff Kirsher QLCDB(adapter, DRV, "NEED_RESET state set\n"); 2853aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 0); 2854aa43c215SJeff Kirsher } 2855aa43c215SJeff Kirsher 285613159183SSony Chacko QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 285713159183SSony Chacko QLCNIC_DEV_NPAR_NON_OPER); 2858aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2859aa43c215SJeff Kirsher } 2860aa43c215SJeff Kirsher 2861aa43c215SJeff Kirsher /* Transit to NPAR READY state from NPAR NOT READY state */ 2862aa43c215SJeff Kirsher static void 2863aa43c215SJeff Kirsher qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 2864aa43c215SJeff Kirsher { 2865aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2866aa43c215SJeff Kirsher return; 2867aa43c215SJeff Kirsher 2868a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 2869a15ebd37SHimanshu Madhani QLCNIC_DEV_NPAR_OPER); 2870aa43c215SJeff Kirsher QLCDB(adapter, DRV, "NPAR operational state set\n"); 2871aa43c215SJeff Kirsher 2872aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2873aa43c215SJeff Kirsher } 2874aa43c215SJeff Kirsher 287513159183SSony Chacko void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 2876aa43c215SJeff Kirsher work_func_t func, int delay) 2877aa43c215SJeff Kirsher { 2878aa43c215SJeff Kirsher if (test_bit(__QLCNIC_AER, &adapter->state)) 2879aa43c215SJeff Kirsher return; 2880aa43c215SJeff Kirsher 2881aa43c215SJeff Kirsher INIT_DELAYED_WORK(&adapter->fw_work, func); 288213159183SSony Chacko queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 2883aa43c215SJeff Kirsher round_jiffies_relative(delay)); 2884aa43c215SJeff Kirsher } 2885aa43c215SJeff Kirsher 2886aa43c215SJeff Kirsher static void 2887aa43c215SJeff Kirsher qlcnic_attach_work(struct work_struct *work) 2888aa43c215SJeff Kirsher { 2889aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 2890aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 2891aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 2892aa43c215SJeff Kirsher u32 npar_state; 2893aa43c215SJeff Kirsher 289479788450SSony Chacko if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 2895a15ebd37SHimanshu Madhani npar_state = QLC_SHARED_REG_RD32(adapter, 2896a15ebd37SHimanshu Madhani QLCNIC_CRB_DEV_NPAR_STATE); 2897aa43c215SJeff Kirsher if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 2898aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 2899aa43c215SJeff Kirsher else if (npar_state != QLCNIC_DEV_NPAR_OPER) 2900aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_attach_work, 2901aa43c215SJeff Kirsher FW_POLL_DELAY); 2902aa43c215SJeff Kirsher else 2903aa43c215SJeff Kirsher goto attach; 2904aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 2905aa43c215SJeff Kirsher return; 2906aa43c215SJeff Kirsher } 2907aa43c215SJeff Kirsher attach: 2908aa43c215SJeff Kirsher if (netif_running(netdev)) { 2909aa43c215SJeff Kirsher if (qlcnic_up(adapter, netdev)) 2910aa43c215SJeff Kirsher goto done; 2911aa43c215SJeff Kirsher 2912aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2913aa43c215SJeff Kirsher } 2914aa43c215SJeff Kirsher 2915aa43c215SJeff Kirsher done: 2916aa43c215SJeff Kirsher netif_device_attach(netdev); 2917aa43c215SJeff Kirsher adapter->fw_fail_cnt = 0; 2918aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_FW_HANG; 2919aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 2920aa43c215SJeff Kirsher 2921aa43c215SJeff Kirsher if (!qlcnic_clr_drv_state(adapter)) 2922aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2923aa43c215SJeff Kirsher FW_POLL_DELAY); 2924aa43c215SJeff Kirsher } 2925aa43c215SJeff Kirsher 2926aa43c215SJeff Kirsher static int 2927aa43c215SJeff Kirsher qlcnic_check_health(struct qlcnic_adapter *adapter) 2928aa43c215SJeff Kirsher { 2929aa43c215SJeff Kirsher u32 state = 0, heartbeat; 2930853d4bcaSAmeen Rahman u32 peg_status; 2931aa43c215SJeff Kirsher 2932aa43c215SJeff Kirsher if (qlcnic_check_temp(adapter)) 2933aa43c215SJeff Kirsher goto detach; 2934aa43c215SJeff Kirsher 2935aa43c215SJeff Kirsher if (adapter->need_fw_reset) 29367e2cf4feSSony Chacko qlcnic_dev_request_reset(adapter, 0); 2937aa43c215SJeff Kirsher 2938a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2939aa43c215SJeff Kirsher if (state == QLCNIC_DEV_NEED_RESET) { 2940aa43c215SJeff Kirsher qlcnic_set_npar_non_operational(adapter); 2941aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 2942aa43c215SJeff Kirsher } else if (state == QLCNIC_DEV_NEED_QUISCENT) 2943aa43c215SJeff Kirsher goto detach; 2944aa43c215SJeff Kirsher 2945a15ebd37SHimanshu Madhani heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 2946aa43c215SJeff Kirsher if (heartbeat != adapter->heartbeat) { 2947aa43c215SJeff Kirsher adapter->heartbeat = heartbeat; 2948aa43c215SJeff Kirsher adapter->fw_fail_cnt = 0; 2949aa43c215SJeff Kirsher if (adapter->need_fw_reset) 2950aa43c215SJeff Kirsher goto detach; 2951aa43c215SJeff Kirsher 2952099f7aa7SSony Chacko if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) { 2953aa43c215SJeff Kirsher qlcnic_reset_hw_context(adapter); 2954aa43c215SJeff Kirsher adapter->netdev->trans_start = jiffies; 2955aa43c215SJeff Kirsher } 2956aa43c215SJeff Kirsher 2957aa43c215SJeff Kirsher return 0; 2958aa43c215SJeff Kirsher } 2959aa43c215SJeff Kirsher 2960aa43c215SJeff Kirsher if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 2961aa43c215SJeff Kirsher return 0; 2962aa43c215SJeff Kirsher 2963aa43c215SJeff Kirsher adapter->flags |= QLCNIC_FW_HANG; 2964aa43c215SJeff Kirsher 29657e2cf4feSSony Chacko qlcnic_dev_request_reset(adapter, 0); 2966aa43c215SJeff Kirsher 2967099f7aa7SSony Chacko if (qlcnic_auto_fw_reset) 2968aa43c215SJeff Kirsher clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 2969aa43c215SJeff Kirsher 2970853d4bcaSAmeen Rahman dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 2971a15ebd37SHimanshu Madhani peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 2972853d4bcaSAmeen Rahman dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 2973aa43c215SJeff Kirsher "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 2974aa43c215SJeff Kirsher "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 2975aa43c215SJeff Kirsher "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 2976aa43c215SJeff Kirsher "PEG_NET_4_PC: 0x%x\n", 2977a15ebd37SHimanshu Madhani peg_status, 2978a15ebd37SHimanshu Madhani QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 2979aa43c215SJeff Kirsher QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), 2980aa43c215SJeff Kirsher QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), 2981aa43c215SJeff Kirsher QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), 2982aa43c215SJeff Kirsher QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), 2983aa43c215SJeff Kirsher QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); 298497048a1fSSritej Velaga if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 2985853d4bcaSAmeen Rahman dev_err(&adapter->pdev->dev, 2986853d4bcaSAmeen Rahman "Firmware aborted with error code 0x00006700. " 2987853d4bcaSAmeen Rahman "Device is being reset.\n"); 2988aa43c215SJeff Kirsher detach: 2989aa43c215SJeff Kirsher adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 2990aa43c215SJeff Kirsher QLCNIC_DEV_NEED_RESET; 2991aa43c215SJeff Kirsher 2992099f7aa7SSony Chacko if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 2993099f7aa7SSony Chacko &adapter->state)) { 2994aa43c215SJeff Kirsher 2995aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 2996aa43c215SJeff Kirsher QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 2997aa43c215SJeff Kirsher } 2998aa43c215SJeff Kirsher 2999aa43c215SJeff Kirsher return 1; 3000aa43c215SJeff Kirsher } 3001aa43c215SJeff Kirsher 3002aa43c215SJeff Kirsher static void 3003aa43c215SJeff Kirsher qlcnic_fw_poll_work(struct work_struct *work) 3004aa43c215SJeff Kirsher { 3005aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 3006aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 3007aa43c215SJeff Kirsher 3008aa43c215SJeff Kirsher if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3009aa43c215SJeff Kirsher goto reschedule; 3010aa43c215SJeff Kirsher 3011aa43c215SJeff Kirsher 3012aa43c215SJeff Kirsher if (qlcnic_check_health(adapter)) 3013aa43c215SJeff Kirsher return; 3014aa43c215SJeff Kirsher 3015aa43c215SJeff Kirsher if (adapter->fhash.fnum) 3016aa43c215SJeff Kirsher qlcnic_prune_lb_filters(adapter); 3017aa43c215SJeff Kirsher 3018aa43c215SJeff Kirsher reschedule: 3019aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3020aa43c215SJeff Kirsher } 3021aa43c215SJeff Kirsher 3022aa43c215SJeff Kirsher static int qlcnic_is_first_func(struct pci_dev *pdev) 3023aa43c215SJeff Kirsher { 3024aa43c215SJeff Kirsher struct pci_dev *oth_pdev; 3025aa43c215SJeff Kirsher int val = pdev->devfn; 3026aa43c215SJeff Kirsher 3027aa43c215SJeff Kirsher while (val-- > 0) { 3028aa43c215SJeff Kirsher oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3029aa43c215SJeff Kirsher (pdev->bus), pdev->bus->number, 3030aa43c215SJeff Kirsher PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3031aa43c215SJeff Kirsher if (!oth_pdev) 3032aa43c215SJeff Kirsher continue; 3033aa43c215SJeff Kirsher 3034aa43c215SJeff Kirsher if (oth_pdev->current_state != PCI_D3cold) { 3035aa43c215SJeff Kirsher pci_dev_put(oth_pdev); 3036aa43c215SJeff Kirsher return 0; 3037aa43c215SJeff Kirsher } 3038aa43c215SJeff Kirsher pci_dev_put(oth_pdev); 3039aa43c215SJeff Kirsher } 3040aa43c215SJeff Kirsher return 1; 3041aa43c215SJeff Kirsher } 3042aa43c215SJeff Kirsher 3043aa43c215SJeff Kirsher static int qlcnic_attach_func(struct pci_dev *pdev) 3044aa43c215SJeff Kirsher { 3045aa43c215SJeff Kirsher int err, first_func; 3046aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3047aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3048aa43c215SJeff Kirsher 3049aa43c215SJeff Kirsher pdev->error_state = pci_channel_io_normal; 3050aa43c215SJeff Kirsher 3051aa43c215SJeff Kirsher err = pci_enable_device(pdev); 3052aa43c215SJeff Kirsher if (err) 3053aa43c215SJeff Kirsher return err; 3054aa43c215SJeff Kirsher 3055aa43c215SJeff Kirsher pci_set_power_state(pdev, PCI_D0); 3056aa43c215SJeff Kirsher pci_set_master(pdev); 3057aa43c215SJeff Kirsher pci_restore_state(pdev); 3058aa43c215SJeff Kirsher 3059aa43c215SJeff Kirsher first_func = qlcnic_is_first_func(pdev); 3060aa43c215SJeff Kirsher 3061aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3062aa43c215SJeff Kirsher return -EINVAL; 3063aa43c215SJeff Kirsher 306479788450SSony Chacko if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3065aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 3066aa43c215SJeff Kirsher set_bit(__QLCNIC_START_FW, &adapter->state); 3067a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3068a15ebd37SHimanshu Madhani QLCNIC_DEV_INITIALIZING); 3069aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Restarting fw\n"); 3070aa43c215SJeff Kirsher } 3071aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3072aa43c215SJeff Kirsher 307313159183SSony Chacko err = qlcnic_start_firmware(adapter); 3074aa43c215SJeff Kirsher if (err) 3075aa43c215SJeff Kirsher return err; 3076aa43c215SJeff Kirsher 3077aa43c215SJeff Kirsher qlcnic_clr_drv_state(adapter); 307813159183SSony Chacko kfree(adapter->msix_entries); 307913159183SSony Chacko adapter->msix_entries = NULL; 308013159183SSony Chacko err = qlcnic_setup_intr(adapter, 0); 308113159183SSony Chacko 30829a97e705SManish chopra if (err) { 30839a97e705SManish chopra kfree(adapter->msix_entries); 30849a97e705SManish chopra netdev_err(netdev, "failed to setup interrupt\n"); 30859a97e705SManish chopra return err; 30869a97e705SManish chopra } 30879a97e705SManish chopra 308813159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 3089d5fcff04SHimanshu Madhani /* register for NIC IDC AEN Events */ 3090d5fcff04SHimanshu Madhani qlcnic_83xx_register_nic_idc_func(adapter, 1); 309113159183SSony Chacko err = qlcnic_83xx_setup_mbx_intr(adapter); 309213159183SSony Chacko if (err) { 309313159183SSony Chacko dev_err(&adapter->pdev->dev, 309413159183SSony Chacko "failed to setup mbx interrupt\n"); 309513159183SSony Chacko qlcnic_clr_all_drv_state(adapter, 1); 309613159183SSony Chacko clear_bit(__QLCNIC_AER, &adapter->state); 309713159183SSony Chacko goto done; 309813159183SSony Chacko } 309913159183SSony Chacko } 3100aa43c215SJeff Kirsher 3101aa43c215SJeff Kirsher if (netif_running(netdev)) { 3102aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 3103aa43c215SJeff Kirsher if (err) { 3104aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 1); 3105aa43c215SJeff Kirsher clear_bit(__QLCNIC_AER, &adapter->state); 3106aa43c215SJeff Kirsher netif_device_attach(netdev); 3107aa43c215SJeff Kirsher return err; 3108aa43c215SJeff Kirsher } 3109aa43c215SJeff Kirsher 3110aa43c215SJeff Kirsher err = qlcnic_up(adapter, netdev); 3111aa43c215SJeff Kirsher if (err) 3112aa43c215SJeff Kirsher goto done; 3113aa43c215SJeff Kirsher 3114aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3115aa43c215SJeff Kirsher } 3116aa43c215SJeff Kirsher done: 3117aa43c215SJeff Kirsher netif_device_attach(netdev); 3118aa43c215SJeff Kirsher return err; 3119aa43c215SJeff Kirsher } 3120aa43c215SJeff Kirsher 3121aa43c215SJeff Kirsher static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3122aa43c215SJeff Kirsher pci_channel_state_t state) 3123aa43c215SJeff Kirsher { 3124aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3125aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3126aa43c215SJeff Kirsher 3127aa43c215SJeff Kirsher if (state == pci_channel_io_perm_failure) 3128aa43c215SJeff Kirsher return PCI_ERS_RESULT_DISCONNECT; 3129aa43c215SJeff Kirsher 3130aa43c215SJeff Kirsher if (state == pci_channel_io_normal) 3131aa43c215SJeff Kirsher return PCI_ERS_RESULT_RECOVERED; 3132aa43c215SJeff Kirsher 3133aa43c215SJeff Kirsher set_bit(__QLCNIC_AER, &adapter->state); 3134aa43c215SJeff Kirsher netif_device_detach(netdev); 3135aa43c215SJeff Kirsher 3136aa43c215SJeff Kirsher cancel_delayed_work_sync(&adapter->fw_work); 3137aa43c215SJeff Kirsher 3138aa43c215SJeff Kirsher if (netif_running(netdev)) 3139aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 3140aa43c215SJeff Kirsher 314113159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 314213159183SSony Chacko qlcnic_83xx_free_mbx_intr(adapter); 31433d73b5fdSJitendra Kalsaria qlcnic_83xx_register_nic_idc_func(adapter, 0); 31443d73b5fdSJitendra Kalsaria cancel_delayed_work_sync(&adapter->idc_aen_work); 314513159183SSony Chacko } 314613159183SSony Chacko 3147aa43c215SJeff Kirsher qlcnic_detach(adapter); 3148aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 3149aa43c215SJeff Kirsher 3150aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 3151aa43c215SJeff Kirsher 3152aa43c215SJeff Kirsher pci_save_state(pdev); 3153aa43c215SJeff Kirsher pci_disable_device(pdev); 3154aa43c215SJeff Kirsher 3155aa43c215SJeff Kirsher return PCI_ERS_RESULT_NEED_RESET; 3156aa43c215SJeff Kirsher } 3157aa43c215SJeff Kirsher 3158aa43c215SJeff Kirsher static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3159aa43c215SJeff Kirsher { 3160aa43c215SJeff Kirsher return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3161aa43c215SJeff Kirsher PCI_ERS_RESULT_RECOVERED; 3162aa43c215SJeff Kirsher } 3163aa43c215SJeff Kirsher 3164aa43c215SJeff Kirsher static void qlcnic_io_resume(struct pci_dev *pdev) 3165aa43c215SJeff Kirsher { 3166a15ebd37SHimanshu Madhani u32 state; 3167aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3168aa43c215SJeff Kirsher 3169aa43c215SJeff Kirsher pci_cleanup_aer_uncorrect_error_status(pdev); 3170a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3171a15ebd37SHimanshu Madhani if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3172a15ebd37SHimanshu Madhani &adapter->state)) 3173aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3174aa43c215SJeff Kirsher FW_POLL_DELAY); 3175aa43c215SJeff Kirsher } 3176aa43c215SJeff Kirsher 3177aa43c215SJeff Kirsher static int 3178aa43c215SJeff Kirsher qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3179aa43c215SJeff Kirsher { 3180aa43c215SJeff Kirsher int err; 3181aa43c215SJeff Kirsher 3182aa43c215SJeff Kirsher err = qlcnic_can_start_firmware(adapter); 3183aa43c215SJeff Kirsher if (err) 3184aa43c215SJeff Kirsher return err; 3185aa43c215SJeff Kirsher 3186aa43c215SJeff Kirsher err = qlcnic_check_npar_opertional(adapter); 3187aa43c215SJeff Kirsher if (err) 3188aa43c215SJeff Kirsher return err; 3189aa43c215SJeff Kirsher 3190aa43c215SJeff Kirsher err = qlcnic_initialize_nic(adapter); 3191aa43c215SJeff Kirsher if (err) 3192aa43c215SJeff Kirsher return err; 3193aa43c215SJeff Kirsher 3194aa43c215SJeff Kirsher qlcnic_check_options(adapter); 3195aa43c215SJeff Kirsher 3196aa43c215SJeff Kirsher err = qlcnic_set_eswitch_port_config(adapter); 3197aa43c215SJeff Kirsher if (err) 3198aa43c215SJeff Kirsher return err; 3199aa43c215SJeff Kirsher 3200aa43c215SJeff Kirsher adapter->need_fw_reset = 0; 3201aa43c215SJeff Kirsher 3202aa43c215SJeff Kirsher return err; 3203aa43c215SJeff Kirsher } 3204aa43c215SJeff Kirsher 3205319ecf12SSony Chacko int qlcnic_validate_max_rss(u8 max_hw, u8 val) 3206aa43c215SJeff Kirsher { 3207319ecf12SSony Chacko u32 max_allowed; 3208319ecf12SSony Chacko 3209319ecf12SSony Chacko if (max_hw > QLC_MAX_SDS_RINGS) { 3210319ecf12SSony Chacko max_hw = QLC_MAX_SDS_RINGS; 3211319ecf12SSony Chacko pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS); 3212aa43c215SJeff Kirsher } 3213aa43c215SJeff Kirsher 3214319ecf12SSony Chacko max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3215319ecf12SSony Chacko num_online_cpus())); 3216319ecf12SSony Chacko if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3217319ecf12SSony Chacko pr_info("rss_ring valid range [2 - %x] in powers of 2\n", 3218319ecf12SSony Chacko max_allowed); 3219aa43c215SJeff Kirsher return -EINVAL; 3220aa43c215SJeff Kirsher } 3221aa43c215SJeff Kirsher return 0; 3222aa43c215SJeff Kirsher } 3223aa43c215SJeff Kirsher 3224319ecf12SSony Chacko int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len) 3225aa43c215SJeff Kirsher { 322613159183SSony Chacko int err; 3227aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3228aa43c215SJeff Kirsher 3229319ecf12SSony Chacko if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3230319ecf12SSony Chacko return -EBUSY; 3231319ecf12SSony Chacko 3232aa43c215SJeff Kirsher netif_device_detach(netdev); 3233aa43c215SJeff Kirsher if (netif_running(netdev)) 3234aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 323513159183SSony Chacko 3236aa43c215SJeff Kirsher qlcnic_detach(adapter); 32377dd90cf1SSucheta Chakraborty 32387dd90cf1SSucheta Chakraborty if (qlcnic_83xx_check(adapter)) 32397dd90cf1SSucheta Chakraborty qlcnic_83xx_free_mbx_intr(adapter); 32407dd90cf1SSucheta Chakraborty 3241aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 3242319ecf12SSony Chacko err = qlcnic_setup_intr(adapter, data); 32439a97e705SManish chopra if (err) { 32449a97e705SManish chopra kfree(adapter->msix_entries); 32459a97e705SManish chopra netdev_err(netdev, "failed to setup interrupt\n"); 32469a97e705SManish chopra return err; 32479a97e705SManish chopra } 3248aa43c215SJeff Kirsher 324913159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 3250d5fcff04SHimanshu Madhani /* register for NIC IDC AEN Events */ 3251d5fcff04SHimanshu Madhani qlcnic_83xx_register_nic_idc_func(adapter, 1); 325213159183SSony Chacko err = qlcnic_83xx_setup_mbx_intr(adapter); 325313159183SSony Chacko if (err) { 325413159183SSony Chacko dev_err(&adapter->pdev->dev, 325513159183SSony Chacko "failed to setup mbx interrupt\n"); 325613159183SSony Chacko goto done; 325713159183SSony Chacko } 3258aa43c215SJeff Kirsher } 3259aa43c215SJeff Kirsher 3260aa43c215SJeff Kirsher if (netif_running(netdev)) { 3261aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 3262aa43c215SJeff Kirsher if (err) 3263aa43c215SJeff Kirsher goto done; 3264aa43c215SJeff Kirsher err = __qlcnic_up(adapter, netdev); 3265aa43c215SJeff Kirsher if (err) 3266aa43c215SJeff Kirsher goto done; 3267aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3268aa43c215SJeff Kirsher } 3269319ecf12SSony Chacko err = len; 3270aa43c215SJeff Kirsher done: 3271aa43c215SJeff Kirsher netif_device_attach(netdev); 3272aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 3273aa43c215SJeff Kirsher return err; 3274aa43c215SJeff Kirsher } 3275aa43c215SJeff Kirsher 3276aa43c215SJeff Kirsher #ifdef CONFIG_INET 3277aa43c215SJeff Kirsher 3278aa43c215SJeff Kirsher #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3279aa43c215SJeff Kirsher 3280aa43c215SJeff Kirsher static void 3281aa43c215SJeff Kirsher qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3282aa43c215SJeff Kirsher struct net_device *dev, unsigned long event) 3283aa43c215SJeff Kirsher { 3284aa43c215SJeff Kirsher struct in_device *indev; 3285aa43c215SJeff Kirsher 3286aa43c215SJeff Kirsher indev = in_dev_get(dev); 3287aa43c215SJeff Kirsher if (!indev) 3288aa43c215SJeff Kirsher return; 3289aa43c215SJeff Kirsher 3290aa43c215SJeff Kirsher for_ifa(indev) { 3291aa43c215SJeff Kirsher switch (event) { 3292aa43c215SJeff Kirsher case NETDEV_UP: 3293aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, 3294aa43c215SJeff Kirsher ifa->ifa_address, QLCNIC_IP_UP); 3295aa43c215SJeff Kirsher break; 3296aa43c215SJeff Kirsher case NETDEV_DOWN: 3297aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, 3298aa43c215SJeff Kirsher ifa->ifa_address, QLCNIC_IP_DOWN); 3299aa43c215SJeff Kirsher break; 3300aa43c215SJeff Kirsher default: 3301aa43c215SJeff Kirsher break; 3302aa43c215SJeff Kirsher } 3303aa43c215SJeff Kirsher } endfor_ifa(indev); 3304aa43c215SJeff Kirsher 3305aa43c215SJeff Kirsher in_dev_put(indev); 3306aa43c215SJeff Kirsher } 3307aa43c215SJeff Kirsher 3308319ecf12SSony Chacko void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3309aa43c215SJeff Kirsher { 3310aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 3311aa43c215SJeff Kirsher struct net_device *dev; 3312aa43c215SJeff Kirsher u16 vid; 3313aa43c215SJeff Kirsher 3314aa43c215SJeff Kirsher qlcnic_config_indev_addr(adapter, netdev, event); 3315aa43c215SJeff Kirsher 331643c00a75SJiri Pirko rcu_read_lock(); 3317aa43c215SJeff Kirsher for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3318aa43c215SJeff Kirsher dev = __vlan_find_dev_deep(netdev, vid); 3319aa43c215SJeff Kirsher if (!dev) 3320aa43c215SJeff Kirsher continue; 3321aa43c215SJeff Kirsher qlcnic_config_indev_addr(adapter, dev, event); 3322aa43c215SJeff Kirsher } 332343c00a75SJiri Pirko rcu_read_unlock(); 3324aa43c215SJeff Kirsher } 3325aa43c215SJeff Kirsher 3326aa43c215SJeff Kirsher static int qlcnic_netdev_event(struct notifier_block *this, 3327aa43c215SJeff Kirsher unsigned long event, void *ptr) 3328aa43c215SJeff Kirsher { 3329aa43c215SJeff Kirsher struct qlcnic_adapter *adapter; 3330aa43c215SJeff Kirsher struct net_device *dev = (struct net_device *)ptr; 3331aa43c215SJeff Kirsher 3332aa43c215SJeff Kirsher recheck: 3333aa43c215SJeff Kirsher if (dev == NULL) 3334aa43c215SJeff Kirsher goto done; 3335aa43c215SJeff Kirsher 3336aa43c215SJeff Kirsher if (dev->priv_flags & IFF_802_1Q_VLAN) { 3337aa43c215SJeff Kirsher dev = vlan_dev_real_dev(dev); 3338aa43c215SJeff Kirsher goto recheck; 3339aa43c215SJeff Kirsher } 3340aa43c215SJeff Kirsher 3341aa43c215SJeff Kirsher if (!is_qlcnic_netdev(dev)) 3342aa43c215SJeff Kirsher goto done; 3343aa43c215SJeff Kirsher 3344aa43c215SJeff Kirsher adapter = netdev_priv(dev); 3345aa43c215SJeff Kirsher 3346aa43c215SJeff Kirsher if (!adapter) 3347aa43c215SJeff Kirsher goto done; 3348aa43c215SJeff Kirsher 3349aa43c215SJeff Kirsher if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3350aa43c215SJeff Kirsher goto done; 3351aa43c215SJeff Kirsher 3352aa43c215SJeff Kirsher qlcnic_config_indev_addr(adapter, dev, event); 3353aa43c215SJeff Kirsher done: 3354aa43c215SJeff Kirsher return NOTIFY_DONE; 3355aa43c215SJeff Kirsher } 3356aa43c215SJeff Kirsher 3357aa43c215SJeff Kirsher static int 3358aa43c215SJeff Kirsher qlcnic_inetaddr_event(struct notifier_block *this, 3359aa43c215SJeff Kirsher unsigned long event, void *ptr) 3360aa43c215SJeff Kirsher { 3361aa43c215SJeff Kirsher struct qlcnic_adapter *adapter; 3362aa43c215SJeff Kirsher struct net_device *dev; 3363aa43c215SJeff Kirsher 3364aa43c215SJeff Kirsher struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3365aa43c215SJeff Kirsher 3366aa43c215SJeff Kirsher dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3367aa43c215SJeff Kirsher 3368aa43c215SJeff Kirsher recheck: 3369aa43c215SJeff Kirsher if (dev == NULL) 3370aa43c215SJeff Kirsher goto done; 3371aa43c215SJeff Kirsher 3372aa43c215SJeff Kirsher if (dev->priv_flags & IFF_802_1Q_VLAN) { 3373aa43c215SJeff Kirsher dev = vlan_dev_real_dev(dev); 3374aa43c215SJeff Kirsher goto recheck; 3375aa43c215SJeff Kirsher } 3376aa43c215SJeff Kirsher 3377aa43c215SJeff Kirsher if (!is_qlcnic_netdev(dev)) 3378aa43c215SJeff Kirsher goto done; 3379aa43c215SJeff Kirsher 3380aa43c215SJeff Kirsher adapter = netdev_priv(dev); 3381aa43c215SJeff Kirsher 3382aa43c215SJeff Kirsher if (!adapter) 3383aa43c215SJeff Kirsher goto done; 3384aa43c215SJeff Kirsher 3385aa43c215SJeff Kirsher if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3386aa43c215SJeff Kirsher goto done; 3387aa43c215SJeff Kirsher 3388aa43c215SJeff Kirsher switch (event) { 3389aa43c215SJeff Kirsher case NETDEV_UP: 3390aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 339113159183SSony Chacko 3392aa43c215SJeff Kirsher break; 3393aa43c215SJeff Kirsher case NETDEV_DOWN: 3394aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 339513159183SSony Chacko 3396aa43c215SJeff Kirsher break; 3397aa43c215SJeff Kirsher default: 3398aa43c215SJeff Kirsher break; 3399aa43c215SJeff Kirsher } 3400aa43c215SJeff Kirsher 3401aa43c215SJeff Kirsher done: 3402aa43c215SJeff Kirsher return NOTIFY_DONE; 3403aa43c215SJeff Kirsher } 3404aa43c215SJeff Kirsher 3405aa43c215SJeff Kirsher static struct notifier_block qlcnic_netdev_cb = { 3406aa43c215SJeff Kirsher .notifier_call = qlcnic_netdev_event, 3407aa43c215SJeff Kirsher }; 3408aa43c215SJeff Kirsher 3409aa43c215SJeff Kirsher static struct notifier_block qlcnic_inetaddr_cb = { 3410aa43c215SJeff Kirsher .notifier_call = qlcnic_inetaddr_event, 3411aa43c215SJeff Kirsher }; 3412aa43c215SJeff Kirsher #else 3413f8ca2b6fSSony Chacko void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3414aa43c215SJeff Kirsher { } 3415aa43c215SJeff Kirsher #endif 3416fec9dd15SStephen Hemminger static const struct pci_error_handlers qlcnic_err_handler = { 3417aa43c215SJeff Kirsher .error_detected = qlcnic_io_error_detected, 3418aa43c215SJeff Kirsher .slot_reset = qlcnic_io_slot_reset, 3419aa43c215SJeff Kirsher .resume = qlcnic_io_resume, 3420aa43c215SJeff Kirsher }; 3421aa43c215SJeff Kirsher 3422aa43c215SJeff Kirsher static struct pci_driver qlcnic_driver = { 3423aa43c215SJeff Kirsher .name = qlcnic_driver_name, 3424aa43c215SJeff Kirsher .id_table = qlcnic_pci_tbl, 3425aa43c215SJeff Kirsher .probe = qlcnic_probe, 34266bb58bb0SBill Pemberton .remove = qlcnic_remove, 3427aa43c215SJeff Kirsher #ifdef CONFIG_PM 3428aa43c215SJeff Kirsher .suspend = qlcnic_suspend, 3429aa43c215SJeff Kirsher .resume = qlcnic_resume, 3430aa43c215SJeff Kirsher #endif 3431aa43c215SJeff Kirsher .shutdown = qlcnic_shutdown, 3432aa43c215SJeff Kirsher .err_handler = &qlcnic_err_handler 3433aa43c215SJeff Kirsher 3434aa43c215SJeff Kirsher }; 3435aa43c215SJeff Kirsher 3436aa43c215SJeff Kirsher static int __init qlcnic_init_module(void) 3437aa43c215SJeff Kirsher { 3438aa43c215SJeff Kirsher int ret; 3439aa43c215SJeff Kirsher 3440aa43c215SJeff Kirsher printk(KERN_INFO "%s\n", qlcnic_driver_string); 3441aa43c215SJeff Kirsher 3442aa43c215SJeff Kirsher #ifdef CONFIG_INET 3443aa43c215SJeff Kirsher register_netdevice_notifier(&qlcnic_netdev_cb); 3444aa43c215SJeff Kirsher register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3445aa43c215SJeff Kirsher #endif 3446aa43c215SJeff Kirsher 3447aa43c215SJeff Kirsher ret = pci_register_driver(&qlcnic_driver); 3448aa43c215SJeff Kirsher if (ret) { 3449aa43c215SJeff Kirsher #ifdef CONFIG_INET 3450aa43c215SJeff Kirsher unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3451aa43c215SJeff Kirsher unregister_netdevice_notifier(&qlcnic_netdev_cb); 3452aa43c215SJeff Kirsher #endif 3453aa43c215SJeff Kirsher } 3454aa43c215SJeff Kirsher 3455aa43c215SJeff Kirsher return ret; 3456aa43c215SJeff Kirsher } 3457aa43c215SJeff Kirsher 3458aa43c215SJeff Kirsher module_init(qlcnic_init_module); 3459aa43c215SJeff Kirsher 3460aa43c215SJeff Kirsher static void __exit qlcnic_exit_module(void) 3461aa43c215SJeff Kirsher { 3462aa43c215SJeff Kirsher pci_unregister_driver(&qlcnic_driver); 3463aa43c215SJeff Kirsher 3464aa43c215SJeff Kirsher #ifdef CONFIG_INET 3465aa43c215SJeff Kirsher unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3466aa43c215SJeff Kirsher unregister_netdevice_notifier(&qlcnic_netdev_cb); 3467aa43c215SJeff Kirsher #endif 3468aa43c215SJeff Kirsher } 3469aa43c215SJeff Kirsher 3470aa43c215SJeff Kirsher module_exit(qlcnic_exit_module); 3471