| /* |
| * QLogic qlcnic NIC Driver |
| * Copyright (c) 2009-2013 QLogic Corporation |
| * |
| * See LICENSE.qlcnic for copyright and licensing details. |
| */ |
| |
| #include <linux/vmalloc.h> |
| #include <linux/interrupt.h> |
| |
| #include "qlcnic.h" |
| #include "qlcnic_sriov.h" |
| #include "qlcnic_hw.h" |
| |
| #include <linux/swab.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/if_vlan.h> |
| #include <net/ip.h> |
| #include <linux/ipv6.h> |
| #include <linux/inetdevice.h> |
| #include <linux/aer.h> |
| #include <linux/log2.h> |
| #include <linux/pci.h> |
| |
| MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(QLCNIC_LINUX_VERSIONID); |
| MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); |
| |
| char qlcnic_driver_name[] = "qlcnic"; |
| static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " |
| "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; |
| |
| static int qlcnic_mac_learn; |
| module_param(qlcnic_mac_learn, int, 0444); |
| MODULE_PARM_DESC(qlcnic_mac_learn, |
| "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); |
| |
| int qlcnic_use_msi = 1; |
| MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); |
| module_param_named(use_msi, qlcnic_use_msi, int, 0444); |
| |
| int qlcnic_use_msi_x = 1; |
| MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); |
| module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); |
| |
| int qlcnic_auto_fw_reset = 1; |
| MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); |
| module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); |
| |
| int qlcnic_load_fw_file; |
| MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); |
| module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); |
| |
| int qlcnic_config_npars; |
| module_param(qlcnic_config_npars, int, 0444); |
| MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); |
| |
| static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); |
| static void qlcnic_remove(struct pci_dev *pdev); |
| static int qlcnic_open(struct net_device *netdev); |
| static int qlcnic_close(struct net_device *netdev); |
| static void qlcnic_tx_timeout(struct net_device *netdev); |
| static void qlcnic_attach_work(struct work_struct *work); |
| static void qlcnic_fwinit_work(struct work_struct *work); |
| static void qlcnic_fw_poll_work(struct work_struct *work); |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| static void qlcnic_poll_controller(struct net_device *netdev); |
| #endif |
| |
| static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); |
| static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); |
| static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); |
| |
| static irqreturn_t qlcnic_tmp_intr(int irq, void *data); |
| static irqreturn_t qlcnic_intr(int irq, void *data); |
| static irqreturn_t qlcnic_msi_intr(int irq, void *data); |
| static irqreturn_t qlcnic_msix_intr(int irq, void *data); |
| static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); |
| |
| static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); |
| static int qlcnic_start_firmware(struct qlcnic_adapter *); |
| |
| static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); |
| static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); |
| static int qlcnicvf_start_firmware(struct qlcnic_adapter *); |
| static void qlcnic_set_netdev_features(struct qlcnic_adapter *, |
| struct qlcnic_esw_func_cfg *); |
| static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); |
| static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); |
| |
| #define QLCNIC_IS_TSO_CAPABLE(adapter) \ |
| ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
| |
| static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) |
| return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; |
| else |
| return 1; |
| } |
| |
| /* PCI Device ID Table */ |
| #define ENTRY(device) \ |
| {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ |
| .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
| |
| static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
| ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
| ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), |
| ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), |
| {0,} |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); |
| |
| |
| inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) |
| { |
| writel(tx_ring->producer, tx_ring->crb_cmd_producer); |
| } |
| |
| static const u32 msi_tgt_status[8] = { |
| ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
| ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
| ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, |
| ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 |
| }; |
| |
| static const u32 qlcnic_reg_tbl[] = { |
| 0x1B20A8, /* PEG_HALT_STAT1 */ |
| 0x1B20AC, /* PEG_HALT_STAT2 */ |
| 0x1B20B0, /* FW_HEARTBEAT */ |
| 0x1B2100, /* LOCK ID */ |
| 0x1B2128, /* FW_CAPABILITIES */ |
| 0x1B2138, /* drv active */ |
| 0x1B2140, /* dev state */ |
| 0x1B2144, /* drv state */ |
| 0x1B2148, /* drv scratch */ |
| 0x1B214C, /* dev partition info */ |
| 0x1B2174, /* drv idc ver */ |
| 0x1B2150, /* fw version major */ |
| 0x1B2154, /* fw version minor */ |
| 0x1B2158, /* fw version sub */ |
| 0x1B219C, /* npar state */ |
| 0x1B21FC, /* FW_IMG_VALID */ |
| 0x1B2250, /* CMD_PEG_STATE */ |
| 0x1B233C, /* RCV_PEG_STATE */ |
| 0x1B23B4, /* ASIC TEMP */ |
| 0x1B216C, /* FW api */ |
| 0x1B2170, /* drv op mode */ |
| 0x13C010, /* flash lock */ |
| 0x13C014, /* flash unlock */ |
| }; |
| |
| static const struct qlcnic_board_info qlcnic_boards[] = { |
| {0x1077, 0x8020, 0x1077, 0x203, |
| "8200 Series Single Port 10GbE Converged Network Adapter" |
| "(TCP/IP Networking)"}, |
| {0x1077, 0x8020, 0x1077, 0x207, |
| "8200 Series Dual Port 10GbE Converged Network Adapter" |
| "(TCP/IP Networking)"}, |
| {0x1077, 0x8020, 0x1077, 0x20b, |
| "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"}, |
| {0x1077, 0x8020, 0x1077, 0x20c, |
| "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"}, |
| {0x1077, 0x8020, 0x1077, 0x20f, |
| "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"}, |
| {0x1077, 0x8020, 0x103c, 0x3733, |
| "NC523SFP 10Gb 2-port Server Adapter"}, |
| {0x1077, 0x8020, 0x103c, 0x3346, |
| "CN1000Q Dual Port Converged Network Adapter"}, |
| {0x1077, 0x8020, 0x1077, 0x210, |
| "QME8242-k 10GbE Dual Port Mezzanine Card"}, |
| {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"}, |
| }; |
| |
| #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) |
| #define QLC_MAX_SDS_RINGS 8 |
| |
| static const |
| struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; |
| |
| int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) |
| { |
| int size = sizeof(struct qlcnic_host_sds_ring) * count; |
| |
| recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); |
| |
| return recv_ctx->sds_rings == NULL; |
| } |
| |
| void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) |
| { |
| if (recv_ctx->sds_rings != NULL) |
| kfree(recv_ctx->sds_rings); |
| |
| recv_ctx->sds_rings = NULL; |
| } |
| |
| int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) |
| { |
| u8 mac_addr[ETH_ALEN]; |
| struct net_device *netdev = adapter->netdev; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| if (qlcnic_get_mac_address(adapter, mac_addr) != 0) |
| return -EIO; |
| |
| memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); |
| memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
| |
| /* set station address */ |
| |
| if (!is_valid_ether_addr(netdev->dev_addr)) |
| dev_warn(&pdev->dev, "Bad MAC address %pM.\n", |
| netdev->dev_addr); |
| |
| return 0; |
| } |
| |
| static int qlcnic_set_mac(struct net_device *netdev, void *p) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct sockaddr *addr = p; |
| |
| if (qlcnic_sriov_vf_check(adapter)) |
| return -EINVAL; |
| |
| if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) |
| return -EOPNOTSUPP; |
| |
| if (!is_valid_ether_addr(addr->sa_data)) |
| return -EINVAL; |
| |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
| netif_device_detach(netdev); |
| qlcnic_napi_disable(adapter); |
| } |
| |
| memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
| memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
| qlcnic_set_multi(adapter->netdev); |
| |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
| netif_device_attach(netdev); |
| qlcnic_napi_enable(adapter); |
| } |
| return 0; |
| } |
| |
| static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], |
| struct net_device *netdev, const unsigned char *addr) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| int err = -EOPNOTSUPP; |
| |
| if (!adapter->fdb_mac_learn) |
| return ndo_dflt_fdb_del(ndm, tb, netdev, addr); |
| |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
| if (is_unicast_ether_addr(addr)) |
| err = qlcnic_nic_del_mac(adapter, addr); |
| else if (is_multicast_ether_addr(addr)) |
| err = dev_mc_del(netdev, addr); |
| else |
| err = -EINVAL; |
| } |
| return err; |
| } |
| |
| static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
| struct net_device *netdev, |
| const unsigned char *addr, u16 flags) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| int err = 0; |
| |
| if (!adapter->fdb_mac_learn) |
| return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); |
| |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { |
| pr_info("%s: FDB e-switch is not enabled\n", __func__); |
| return -EOPNOTSUPP; |
| } |
| |
| if (ether_addr_equal(addr, adapter->mac_addr)) |
| return err; |
| |
| if (is_unicast_ether_addr(addr)) |
| err = qlcnic_nic_add_mac(adapter, addr); |
| else if (is_multicast_ether_addr(addr)) |
| err = dev_mc_add_excl(netdev, addr); |
| else |
| err = -EINVAL; |
| |
| return err; |
| } |
| |
| static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, |
| struct net_device *netdev, int idx) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| if (!adapter->fdb_mac_learn) |
| return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); |
| |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) |
| idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); |
| |
| return idx; |
| } |
| |
| static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) |
| { |
| while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| usleep_range(10000, 11000); |
| |
| cancel_delayed_work_sync(&adapter->fw_work); |
| } |
| |
| static const struct net_device_ops qlcnic_netdev_ops = { |
| .ndo_open = qlcnic_open, |
| .ndo_stop = qlcnic_close, |
| .ndo_start_xmit = qlcnic_xmit_frame, |
| .ndo_get_stats = qlcnic_get_stats, |
| .ndo_validate_addr = eth_validate_addr, |
| .ndo_set_rx_mode = qlcnic_set_multi, |
| .ndo_set_mac_address = qlcnic_set_mac, |
| .ndo_change_mtu = qlcnic_change_mtu, |
| .ndo_fix_features = qlcnic_fix_features, |
| .ndo_set_features = qlcnic_set_features, |
| .ndo_tx_timeout = qlcnic_tx_timeout, |
| .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, |
| .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, |
| .ndo_fdb_add = qlcnic_fdb_add, |
| .ndo_fdb_del = qlcnic_fdb_del, |
| .ndo_fdb_dump = qlcnic_fdb_dump, |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| .ndo_poll_controller = qlcnic_poll_controller, |
| #endif |
| }; |
| |
| static const struct net_device_ops qlcnic_netdev_failed_ops = { |
| .ndo_open = qlcnic_open, |
| }; |
| |
| static struct qlcnic_nic_template qlcnic_ops = { |
| .config_bridged_mode = qlcnic_config_bridged_mode, |
| .config_led = qlcnic_82xx_config_led, |
| .start_firmware = qlcnic_82xx_start_firmware, |
| .request_reset = qlcnic_82xx_dev_request_reset, |
| .cancel_idc_work = qlcnic_82xx_cancel_idc_work, |
| .napi_add = qlcnic_82xx_napi_add, |
| .napi_del = qlcnic_82xx_napi_del, |
| .config_ipaddr = qlcnic_82xx_config_ipaddr, |
| .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, |
| }; |
| |
| struct qlcnic_nic_template qlcnic_vf_ops = { |
| .config_bridged_mode = qlcnicvf_config_bridged_mode, |
| .config_led = qlcnicvf_config_led, |
| .start_firmware = qlcnicvf_start_firmware |
| }; |
| |
| static struct qlcnic_hardware_ops qlcnic_hw_ops = { |
| .read_crb = qlcnic_82xx_read_crb, |
| .write_crb = qlcnic_82xx_write_crb, |
| .read_reg = qlcnic_82xx_hw_read_wx_2M, |
| .write_reg = qlcnic_82xx_hw_write_wx_2M, |
| .get_mac_address = qlcnic_82xx_get_mac_address, |
| .setup_intr = qlcnic_82xx_setup_intr, |
| .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, |
| .mbx_cmd = qlcnic_82xx_issue_cmd, |
| .get_func_no = qlcnic_82xx_get_func_no, |
| .api_lock = qlcnic_82xx_api_lock, |
| .api_unlock = qlcnic_82xx_api_unlock, |
| .add_sysfs = qlcnic_82xx_add_sysfs, |
| .remove_sysfs = qlcnic_82xx_remove_sysfs, |
| .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, |
| .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, |
| .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, |
| .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, |
| .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, |
| .setup_link_event = qlcnic_82xx_linkevent_request, |
| .get_nic_info = qlcnic_82xx_get_nic_info, |
| .get_pci_info = qlcnic_82xx_get_pci_info, |
| .set_nic_info = qlcnic_82xx_set_nic_info, |
| .change_macvlan = qlcnic_82xx_sre_macaddr_change, |
| .napi_enable = qlcnic_82xx_napi_enable, |
| .napi_disable = qlcnic_82xx_napi_disable, |
| .config_intr_coal = qlcnic_82xx_config_intr_coalesce, |
| .config_rss = qlcnic_82xx_config_rss, |
| .config_hw_lro = qlcnic_82xx_config_hw_lro, |
| .config_loopback = qlcnic_82xx_set_lb_mode, |
| .clear_loopback = qlcnic_82xx_clear_lb_mode, |
| .config_promisc_mode = qlcnic_82xx_nic_set_promisc, |
| .change_l2_filter = qlcnic_82xx_change_filter, |
| .get_board_info = qlcnic_82xx_get_board_info, |
| }; |
| |
| int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) |
| { |
| struct pci_dev *pdev = adapter->pdev; |
| int err = -1, i; |
| int max_tx_rings, tx_vector; |
| |
| if (adapter->flags & QLCNIC_TX_INTR_SHARED) { |
| max_tx_rings = 0; |
| tx_vector = 0; |
| } else { |
| max_tx_rings = adapter->max_drv_tx_rings; |
| tx_vector = 1; |
| } |
| |
| if (!adapter->msix_entries) { |
| adapter->msix_entries = kcalloc(num_msix, |
| sizeof(struct msix_entry), |
| GFP_KERNEL); |
| if (!adapter->msix_entries) |
| return -ENOMEM; |
| } |
| |
| adapter->max_sds_rings = 1; |
| adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); |
| |
| if (adapter->ahw->msix_supported) { |
| enable_msix: |
| for (i = 0; i < num_msix; i++) |
| adapter->msix_entries[i].entry = i; |
| err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); |
| if (err == 0) { |
| adapter->flags |= QLCNIC_MSIX_ENABLED; |
| if (qlcnic_83xx_check(adapter)) { |
| adapter->ahw->num_msix = num_msix; |
| /* subtract mail box and tx ring vectors */ |
| adapter->max_sds_rings = num_msix - |
| max_tx_rings - 1; |
| } else { |
| adapter->max_sds_rings = num_msix; |
| } |
| dev_info(&pdev->dev, "using msi-x interrupts\n"); |
| return err; |
| } else if (err > 0) { |
| dev_info(&pdev->dev, |
| "Unable to allocate %d MSI-X interrupt vectors\n", |
| num_msix); |
| if (qlcnic_83xx_check(adapter)) { |
| if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) |
| return err; |
| err -= (max_tx_rings + 1); |
| num_msix = rounddown_pow_of_two(err); |
| num_msix += (max_tx_rings + 1); |
| } else { |
| num_msix = rounddown_pow_of_two(err); |
| } |
| |
| if (num_msix) { |
| dev_info(&pdev->dev, |
| "Trying to allocate %d MSI-X interrupt vectors\n", |
| num_msix); |
| goto enable_msix; |
| } |
| } else { |
| dev_info(&pdev->dev, |
| "Unable to allocate %d MSI-X interrupt vectors\n", |
| num_msix); |
| } |
| } |
| |
| return err; |
| } |
| |
| static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) |
| { |
| int err = 0; |
| u32 offset, mask_reg; |
| const struct qlcnic_legacy_intr_set *legacy_intrp; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| if (qlcnic_use_msi && !pci_enable_msi(pdev)) { |
| adapter->flags |= QLCNIC_MSI_ENABLED; |
| offset = msi_tgt_status[adapter->ahw->pci_func]; |
| adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, |
| offset); |
| dev_info(&pdev->dev, "using msi interrupts\n"); |
| adapter->msix_entries[0].vector = pdev->irq; |
| return err; |
| } |
| if (qlcnic_use_msi || qlcnic_use_msi_x) |
| return -EOPNOTSUPP; |
| |
| legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; |
| adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; |
| offset = legacy_intrp->tgt_status_reg; |
| adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); |
| mask_reg = legacy_intrp->tgt_mask_reg; |
| adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); |
| adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); |
| adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); |
| dev_info(&pdev->dev, "using legacy interrupts\n"); |
| adapter->msix_entries[0].vector = pdev->irq; |
| return err; |
| } |
| |
| int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr) |
| { |
| int num_msix, err = 0; |
| |
| if (!num_intr) |
| num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; |
| |
| if (adapter->ahw->msix_supported) |
| num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), |
| num_intr)); |
| else |
| num_msix = 1; |
| |
| err = qlcnic_enable_msix(adapter, num_msix); |
| if (err == -ENOMEM || !err) |
| return err; |
| |
| err = qlcnic_enable_msi_legacy(adapter); |
| if (!err) |
| return err; |
| |
| return -EIO; |
| } |
| |
| void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| pci_disable_msix(adapter->pdev); |
| if (adapter->flags & QLCNIC_MSI_ENABLED) |
| pci_disable_msi(adapter->pdev); |
| |
| kfree(adapter->msix_entries); |
| adapter->msix_entries = NULL; |
| |
| if (adapter->ahw->intr_tbl) { |
| vfree(adapter->ahw->intr_tbl); |
| adapter->ahw->intr_tbl = NULL; |
| } |
| } |
| |
| static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) |
| { |
| if (ahw->pci_base0 != NULL) |
| iounmap(ahw->pci_base0); |
| } |
| |
| static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_pci_info *pci_info; |
| int ret; |
| |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { |
| switch (adapter->ahw->port_type) { |
| case QLCNIC_GBE: |
| adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; |
| break; |
| case QLCNIC_XGBE: |
| adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; |
| break; |
| } |
| return 0; |
| } |
| |
| if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) |
| return 0; |
| |
| pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
| if (!pci_info) |
| return -ENOMEM; |
| |
| ret = qlcnic_get_pci_info(adapter, pci_info); |
| kfree(pci_info); |
| return ret; |
| } |
| |
| int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_pci_info *pci_info; |
| int i, ret = 0, j = 0; |
| u16 act_pci_func; |
| u8 pfn; |
| |
| pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
| if (!pci_info) |
| return -ENOMEM; |
| |
| ret = qlcnic_get_pci_info(adapter, pci_info); |
| if (ret) |
| goto err_pci_info; |
| |
| act_pci_func = adapter->ahw->act_pci_func; |
| |
| adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * |
| act_pci_func, GFP_KERNEL); |
| if (!adapter->npars) { |
| ret = -ENOMEM; |
| goto err_pci_info; |
| } |
| |
| adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * |
| QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); |
| if (!adapter->eswitch) { |
| ret = -ENOMEM; |
| goto err_npars; |
| } |
| |
| for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
| pfn = pci_info[i].id; |
| |
| if (pfn >= QLCNIC_MAX_PCI_FUNC) { |
| ret = QL_STATUS_INVALID_PARAM; |
| goto err_eswitch; |
| } |
| |
| if (!pci_info[i].active || |
| (pci_info[i].type != QLCNIC_TYPE_NIC)) |
| continue; |
| |
| adapter->npars[j].pci_func = pfn; |
| adapter->npars[j].active = (u8)pci_info[i].active; |
| adapter->npars[j].type = (u8)pci_info[i].type; |
| adapter->npars[j].phy_port = (u8)pci_info[i].default_port; |
| adapter->npars[j].min_bw = pci_info[i].tx_min_bw; |
| adapter->npars[j].max_bw = pci_info[i].tx_max_bw; |
| j++; |
| } |
| |
| for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) { |
| adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; |
| if (qlcnic_83xx_check(adapter)) |
| qlcnic_enable_eswitch(adapter, i, 1); |
| } |
| |
| kfree(pci_info); |
| return 0; |
| |
| err_eswitch: |
| kfree(adapter->eswitch); |
| adapter->eswitch = NULL; |
| err_npars: |
| kfree(adapter->npars); |
| adapter->npars = NULL; |
| err_pci_info: |
| kfree(pci_info); |
| |
| return ret; |
| } |
| |
| static int |
| qlcnic_set_function_modes(struct qlcnic_adapter *adapter) |
| { |
| u8 id; |
| int i, ret = 1; |
| u32 data = QLCNIC_MGMT_FUNC; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| ret = qlcnic_api_lock(adapter); |
| if (ret) |
| goto err_lock; |
| |
| if (qlcnic_config_npars) { |
| for (i = 0; i < ahw->act_pci_func; i++) { |
| id = adapter->npars[i].pci_func; |
| if (id == ahw->pci_func) |
| continue; |
| data |= (qlcnic_config_npars & |
| QLC_DEV_SET_DRV(0xf, id)); |
| } |
| } else { |
| data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); |
| data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) | |
| (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, |
| ahw->pci_func)); |
| } |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); |
| qlcnic_api_unlock(adapter); |
| err_lock: |
| return ret; |
| } |
| |
| static void qlcnic_check_vf(struct qlcnic_adapter *adapter, |
| const struct pci_device_id *ent) |
| { |
| u32 op_mode, priv_level; |
| |
| /* Determine FW API version */ |
| adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, |
| QLCNIC_FW_API); |
| |
| /* Find PCI function number */ |
| qlcnic_get_func_no(adapter); |
| |
| /* Determine function privilege level */ |
| op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); |
| if (op_mode == QLC_DEV_DRV_DEFAULT) |
| priv_level = QLCNIC_MGMT_FUNC; |
| else |
| priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
| |
| if (priv_level == QLCNIC_NON_PRIV_FUNC) { |
| adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d Non Privileged function\n", |
| adapter->ahw->fw_hal_version); |
| adapter->nic_ops = &qlcnic_vf_ops; |
| } else |
| adapter->nic_ops = &qlcnic_ops; |
| } |
| |
| #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL |
| #define QLCNIC_83XX_BAR0_LENGTH 0x4000 |
| static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) |
| { |
| switch (dev_id) { |
| case PCI_DEVICE_ID_QLOGIC_QLE824X: |
| *bar = QLCNIC_82XX_BAR0_LENGTH; |
| break; |
| case PCI_DEVICE_ID_QLOGIC_QLE834X: |
| case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: |
| *bar = QLCNIC_83XX_BAR0_LENGTH; |
| break; |
| default: |
| *bar = 0; |
| } |
| } |
| |
| static int qlcnic_setup_pci_map(struct pci_dev *pdev, |
| struct qlcnic_hardware_context *ahw) |
| { |
| u32 offset; |
| void __iomem *mem_ptr0 = NULL; |
| unsigned long mem_len, pci_len0 = 0, bar0_len; |
| |
| /* remap phys address */ |
| mem_len = pci_resource_len(pdev, 0); |
| |
| qlcnic_get_bar_length(pdev->device, &bar0_len); |
| if (mem_len >= bar0_len) { |
| |
| mem_ptr0 = pci_ioremap_bar(pdev, 0); |
| if (mem_ptr0 == NULL) { |
| dev_err(&pdev->dev, "failed to map PCI bar 0\n"); |
| return -EIO; |
| } |
| pci_len0 = mem_len; |
| } else { |
| return -EIO; |
| } |
| |
| dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); |
| |
| ahw->pci_base0 = mem_ptr0; |
| ahw->pci_len0 = pci_len0; |
| offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); |
| qlcnic_get_ioaddr(ahw, offset); |
| |
| return 0; |
| } |
| |
| static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) |
| { |
| struct pci_dev *pdev = adapter->pdev; |
| int i, found = 0; |
| |
| for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { |
| if (qlcnic_boards[i].vendor == pdev->vendor && |
| qlcnic_boards[i].device == pdev->device && |
| qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && |
| qlcnic_boards[i].sub_device == pdev->subsystem_device) { |
| sprintf(name, "%pM: %s" , |
| adapter->mac_addr, |
| qlcnic_boards[i].short_name); |
| found = 1; |
| break; |
| } |
| |
| } |
| |
| if (!found) |
| sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); |
| } |
| |
| static void |
| qlcnic_check_options(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| u32 fw_major, fw_minor, fw_build, prev_fw_version; |
| struct pci_dev *pdev = adapter->pdev; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; |
| |
| prev_fw_version = adapter->fw_version; |
| |
| fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); |
| fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); |
| fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); |
| |
| adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); |
| |
| err = qlcnic_get_board_info(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Error getting board config info.\n"); |
| return; |
| } |
| if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { |
| if (fw_dump->tmpl_hdr == NULL || |
| adapter->fw_version > prev_fw_version) { |
| if (fw_dump->tmpl_hdr) |
| vfree(fw_dump->tmpl_hdr); |
| if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) |
| dev_info(&pdev->dev, |
| "Supports FW dump capability\n"); |
| } |
| } |
| |
| dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", |
| QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); |
| |
| if (adapter->ahw->port_type == QLCNIC_XGBE) { |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
| adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; |
| adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; |
| } else { |
| adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; |
| adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; |
| } |
| |
| adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| |
| } else if (adapter->ahw->port_type == QLCNIC_GBE) { |
| adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; |
| adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; |
| adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; |
| adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; |
| } |
| |
| adapter->ahw->msix_supported = !!qlcnic_use_msi_x; |
| |
| adapter->num_txd = MAX_CMD_DESCRIPTORS; |
| |
| adapter->max_rds_rings = MAX_RDS_RINGS; |
| } |
| |
| static int |
| qlcnic_initialize_nic(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| struct qlcnic_info nic_info; |
| |
| memset(&nic_info, 0, sizeof(struct qlcnic_info)); |
| err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); |
| if (err) |
| return err; |
| |
| adapter->ahw->physical_port = (u8)nic_info.phys_port; |
| adapter->ahw->switch_mode = nic_info.switch_mode; |
| adapter->ahw->max_tx_ques = nic_info.max_tx_ques; |
| adapter->ahw->max_rx_ques = nic_info.max_rx_ques; |
| adapter->ahw->capabilities = nic_info.capabilities; |
| |
| if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { |
| u32 temp; |
| temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); |
| adapter->ahw->capabilities2 = temp; |
| } |
| adapter->ahw->max_mac_filters = nic_info.max_mac_filters; |
| adapter->ahw->max_mtu = nic_info.max_mtu; |
| |
| /* Disable NPAR for 83XX */ |
| if (qlcnic_83xx_check(adapter)) |
| return err; |
| |
| if (adapter->ahw->capabilities & BIT_6) |
| adapter->flags |= QLCNIC_ESWITCH_ENABLED; |
| else |
| adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; |
| |
| return err; |
| } |
| |
| void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg) |
| { |
| if (esw_cfg->discard_tagged) |
| adapter->flags &= ~QLCNIC_TAGGING_ENABLED; |
| else |
| adapter->flags |= QLCNIC_TAGGING_ENABLED; |
| |
| if (esw_cfg->vlan_id) |
| adapter->pvid = esw_cfg->vlan_id; |
| else |
| adapter->pvid = 0; |
| } |
| |
| static int |
| qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| set_bit(vid, adapter->vlans); |
| return 0; |
| } |
| |
| static int |
| qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); |
| clear_bit(vid, adapter->vlans); |
| return 0; |
| } |
| |
| void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg) |
| { |
| adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | |
| QLCNIC_PROMISC_DISABLED); |
| |
| if (esw_cfg->mac_anti_spoof) |
| adapter->flags |= QLCNIC_MACSPOOF; |
| |
| if (!esw_cfg->mac_override) |
| adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; |
| |
| if (!esw_cfg->promisc_mode) |
| adapter->flags |= QLCNIC_PROMISC_DISABLED; |
| |
| qlcnic_set_netdev_features(adapter, esw_cfg); |
| } |
| |
| int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_esw_func_cfg esw_cfg; |
| |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
| return 0; |
| |
| esw_cfg.pci_func = adapter->ahw->pci_func; |
| if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) |
| return -EIO; |
| qlcnic_set_vlan_config(adapter, &esw_cfg); |
| qlcnic_set_eswitch_port_features(adapter, &esw_cfg); |
| |
| return 0; |
| } |
| |
| static void |
| qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, |
| struct qlcnic_esw_func_cfg *esw_cfg) |
| { |
| struct net_device *netdev = adapter->netdev; |
| unsigned long features, vlan_features; |
| |
| if (qlcnic_83xx_check(adapter)) |
| return; |
| |
| features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | |
| NETIF_F_IPV6_CSUM | NETIF_F_GRO); |
| vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | |
| NETIF_F_IPV6_CSUM); |
| |
| if (QLCNIC_IS_TSO_CAPABLE(adapter)) { |
| features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| } |
| |
| if (netdev->features & NETIF_F_LRO) |
| features |= NETIF_F_LRO; |
| |
| if (esw_cfg->offload_flags & BIT_0) { |
| netdev->features |= features; |
| adapter->rx_csum = 1; |
| if (!(esw_cfg->offload_flags & BIT_1)) { |
| netdev->features &= ~NETIF_F_TSO; |
| features &= ~NETIF_F_TSO; |
| } |
| if (!(esw_cfg->offload_flags & BIT_2)) { |
| netdev->features &= ~NETIF_F_TSO6; |
| features &= ~NETIF_F_TSO6; |
| } |
| } else { |
| netdev->features &= ~features; |
| features &= ~features; |
| adapter->rx_csum = 0; |
| } |
| |
| netdev->vlan_features = (features & vlan_features); |
| } |
| |
| static int |
| qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) |
| { |
| u32 op_mode, priv_level; |
| int err = 0; |
| |
| err = qlcnic_initialize_nic(adapter); |
| if (err) |
| return err; |
| |
| if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) |
| return 0; |
| |
| op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); |
| priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
| |
| if (op_mode == QLC_DEV_DRV_DEFAULT) |
| priv_level = QLCNIC_MGMT_FUNC; |
| else |
| priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
| |
| if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
| if (priv_level == QLCNIC_MGMT_FUNC) { |
| adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; |
| err = qlcnic_init_pci_info(adapter); |
| if (err) |
| return err; |
| /* Set privilege level for other functions */ |
| qlcnic_set_function_modes(adapter); |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d, Management function\n", |
| adapter->ahw->fw_hal_version); |
| } else if (priv_level == QLCNIC_PRIV_FUNC) { |
| adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; |
| dev_info(&adapter->pdev->dev, |
| "HAL Version: %d, Privileged function\n", |
| adapter->ahw->fw_hal_version); |
| } |
| } |
| |
| adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; |
| |
| return err; |
| } |
| |
| int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) |
| { |
| struct qlcnic_esw_func_cfg esw_cfg; |
| struct qlcnic_npar_info *npar; |
| u8 i; |
| |
| if (adapter->need_fw_reset) |
| return 0; |
| |
| for (i = 0; i < adapter->ahw->act_pci_func; i++) { |
| memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); |
| esw_cfg.pci_func = adapter->npars[i].pci_func; |
| esw_cfg.mac_override = BIT_0; |
| esw_cfg.promisc_mode = BIT_0; |
| if (qlcnic_82xx_check(adapter)) { |
| esw_cfg.offload_flags = BIT_0; |
| if (QLCNIC_IS_TSO_CAPABLE(adapter)) |
| esw_cfg.offload_flags |= (BIT_1 | BIT_2); |
| } |
| if (qlcnic_config_switch_port(adapter, &esw_cfg)) |
| return -EIO; |
| npar = &adapter->npars[i]; |
| npar->pvid = esw_cfg.vlan_id; |
| npar->mac_override = esw_cfg.mac_override; |
| npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; |
| npar->discard_tagged = esw_cfg.discard_tagged; |
| npar->promisc_mode = esw_cfg.promisc_mode; |
| npar->offload_flags = esw_cfg.offload_flags; |
| } |
| |
| return 0; |
| } |
| |
| |
| static int |
| qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, |
| struct qlcnic_npar_info *npar, int pci_func) |
| { |
| struct qlcnic_esw_func_cfg esw_cfg; |
| esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; |
| esw_cfg.pci_func = pci_func; |
| esw_cfg.vlan_id = npar->pvid; |
| esw_cfg.mac_override = npar->mac_override; |
| esw_cfg.discard_tagged = npar->discard_tagged; |
| esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; |
| esw_cfg.offload_flags = npar->offload_flags; |
| esw_cfg.promisc_mode = npar->promisc_mode; |
| if (qlcnic_config_switch_port(adapter, &esw_cfg)) |
| return -EIO; |
| |
| esw_cfg.op_mode = QLCNIC_ADD_VLAN; |
| if (qlcnic_config_switch_port(adapter, &esw_cfg)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) |
| { |
| int i, err; |
| struct qlcnic_npar_info *npar; |
| struct qlcnic_info nic_info; |
| u8 pci_func; |
| |
| if (qlcnic_82xx_check(adapter)) |
| if (!adapter->need_fw_reset) |
| return 0; |
| |
| /* Set the NPAR config data after FW reset */ |
| for (i = 0; i < adapter->ahw->act_pci_func; i++) { |
| npar = &adapter->npars[i]; |
| pci_func = npar->pci_func; |
| memset(&nic_info, 0, sizeof(struct qlcnic_info)); |
| err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); |
| if (err) |
| return err; |
| nic_info.min_tx_bw = npar->min_bw; |
| nic_info.max_tx_bw = npar->max_bw; |
| err = qlcnic_set_nic_info(adapter, &nic_info); |
| if (err) |
| return err; |
| |
| if (npar->enable_pm) { |
| err = qlcnic_config_port_mirroring(adapter, |
| npar->dest_npar, 1, |
| pci_func); |
| if (err) |
| return err; |
| } |
| err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); |
| if (err) |
| return err; |
| } |
| return 0; |
| } |
| |
| static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) |
| { |
| u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; |
| u32 npar_state; |
| |
| if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) |
| return 0; |
| |
| npar_state = QLC_SHARED_REG_RD32(adapter, |
| QLCNIC_CRB_DEV_NPAR_STATE); |
| while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { |
| msleep(1000); |
| npar_state = QLC_SHARED_REG_RD32(adapter, |
| QLCNIC_CRB_DEV_NPAR_STATE); |
| } |
| if (!npar_opt_timeo) { |
| dev_err(&adapter->pdev->dev, |
| "Waiting for NPAR state to operational timeout\n"); |
| return -EIO; |
| } |
| return 0; |
| } |
| |
| static int |
| qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| |
| if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || |
| adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) |
| return 0; |
| |
| err = qlcnic_set_default_offload_settings(adapter); |
| if (err) |
| return err; |
| |
| err = qlcnic_reset_npar_config(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_dev_set_npar_ready(adapter); |
| |
| return err; |
| } |
| |
| int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| |
| err = qlcnic_can_start_firmware(adapter); |
| if (err < 0) |
| return err; |
| else if (!err) |
| goto check_fw_status; |
| |
| if (qlcnic_load_fw_file) |
| qlcnic_request_firmware(adapter); |
| else { |
| err = qlcnic_check_flash_fw_ver(adapter); |
| if (err) |
| goto err_out; |
| |
| adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; |
| } |
| |
| err = qlcnic_need_fw_reset(adapter); |
| if (err == 0) |
| goto check_fw_status; |
| |
| err = qlcnic_pinit_from_rom(adapter); |
| if (err) |
| goto err_out; |
| |
| err = qlcnic_load_firmware(adapter); |
| if (err) |
| goto err_out; |
| |
| qlcnic_release_firmware(adapter); |
| QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); |
| |
| check_fw_status: |
| err = qlcnic_check_fw_status(adapter); |
| if (err) |
| goto err_out; |
| |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); |
| qlcnic_idc_debug_info(adapter, 1); |
| err = qlcnic_check_eswitch_mode(adapter); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "Memory allocation failed for eswitch\n"); |
| goto err_out; |
| } |
| err = qlcnic_set_mgmt_operations(adapter); |
| if (err) |
| goto err_out; |
| |
| qlcnic_check_options(adapter); |
| adapter->need_fw_reset = 0; |
| |
| qlcnic_release_firmware(adapter); |
| return 0; |
| |
| err_out: |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); |
| dev_err(&adapter->pdev->dev, "Device state set to failed\n"); |
| |
| qlcnic_release_firmware(adapter); |
| return err; |
| } |
| |
| static int |
| qlcnic_request_irq(struct qlcnic_adapter *adapter) |
| { |
| irq_handler_t handler; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_host_tx_ring *tx_ring; |
| int err, ring; |
| |
| unsigned long flags = 0; |
| struct net_device *netdev = adapter->netdev; |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { |
| if (qlcnic_82xx_check(adapter)) |
| handler = qlcnic_tmp_intr; |
| if (!QLCNIC_IS_MSI_FAMILY(adapter)) |
| flags |= IRQF_SHARED; |
| |
| } else { |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| handler = qlcnic_msix_intr; |
| else if (adapter->flags & QLCNIC_MSI_ENABLED) |
| handler = qlcnic_msi_intr; |
| else { |
| flags |= IRQF_SHARED; |
| if (qlcnic_82xx_check(adapter)) |
| handler = qlcnic_intr; |
| else |
| handler = qlcnic_83xx_intr; |
| } |
| } |
| adapter->irq = netdev->irq; |
| |
| if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { |
| if (qlcnic_82xx_check(adapter) || |
| (qlcnic_83xx_check(adapter) && |
| (adapter->flags & QLCNIC_MSIX_ENABLED))) { |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ, |
| "%s[%d]", netdev->name, ring); |
| err = request_irq(sds_ring->irq, handler, flags, |
| sds_ring->name, sds_ring); |
| if (err) |
| return err; |
| } |
| } |
| if (qlcnic_83xx_check(adapter) && |
| (adapter->flags & QLCNIC_MSIX_ENABLED) && |
| !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { |
| handler = qlcnic_msix_tx_intr; |
| for (ring = 0; ring < adapter->max_drv_tx_rings; |
| ring++) { |
| tx_ring = &adapter->tx_ring[ring]; |
| snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ, |
| "%s[%d]", netdev->name, |
| adapter->max_sds_rings + ring); |
| err = request_irq(tx_ring->irq, handler, flags, |
| tx_ring->name, tx_ring); |
| if (err) |
| return err; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| static void |
| qlcnic_free_irq(struct qlcnic_adapter *adapter) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_host_tx_ring *tx_ring; |
| |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { |
| if (qlcnic_82xx_check(adapter) || |
| (qlcnic_83xx_check(adapter) && |
| (adapter->flags & QLCNIC_MSIX_ENABLED))) { |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| free_irq(sds_ring->irq, sds_ring); |
| } |
| } |
| if (qlcnic_83xx_check(adapter) && |
| !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { |
| for (ring = 0; ring < adapter->max_drv_tx_rings; |
| ring++) { |
| tx_ring = &adapter->tx_ring[ring]; |
| if (tx_ring->irq) |
| free_irq(tx_ring->irq, tx_ring); |
| } |
| } |
| } |
| } |
| |
| static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) |
| { |
| u32 capab = 0; |
| |
| if (qlcnic_82xx_check(adapter)) { |
| if (adapter->ahw->capabilities2 & |
| QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) |
| adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; |
| } else { |
| capab = adapter->ahw->capabilities; |
| if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) |
| adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; |
| } |
| } |
| |
| int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| int ring; |
| struct qlcnic_host_rds_ring *rds_ring; |
| |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return -EIO; |
| |
| if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| return 0; |
| if (qlcnic_set_eswitch_port_config(adapter)) |
| return -EIO; |
| qlcnic_get_lro_mss_capability(adapter); |
| |
| if (qlcnic_fw_create_ctx(adapter)) |
| return -EIO; |
| |
| for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| rds_ring = &adapter->recv_ctx->rds_rings[ring]; |
| qlcnic_post_rx_buffers(adapter, rds_ring, ring); |
| } |
| |
| qlcnic_set_multi(netdev); |
| qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); |
| |
| adapter->ahw->linkup = 0; |
| |
| if (adapter->max_sds_rings > 1) |
| qlcnic_config_rss(adapter, 1); |
| |
| qlcnic_config_intr_coalesce(adapter); |
| |
| if (netdev->features & NETIF_F_LRO) |
| qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); |
| |
| qlcnic_napi_enable(adapter); |
| |
| qlcnic_linkevent_request(adapter, 1); |
| |
| adapter->ahw->reset_context = 0; |
| set_bit(__QLCNIC_DEV_UP, &adapter->state); |
| return 0; |
| } |
| |
| int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| int err = 0; |
| |
| rtnl_lock(); |
| if (netif_running(netdev)) |
| err = __qlcnic_up(adapter, netdev); |
| rtnl_unlock(); |
| |
| return err; |
| } |
| |
| void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return; |
| |
| if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| return; |
| |
| if (qlcnic_sriov_vf_check(adapter)) |
| qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); |
| smp_mb(); |
| spin_lock(&adapter->tx_clean_lock); |
| netif_carrier_off(netdev); |
| adapter->ahw->linkup = 0; |
| netif_tx_disable(netdev); |
| |
| qlcnic_free_mac_list(adapter); |
| |
| if (adapter->fhash.fnum) |
| qlcnic_delete_lb_filters(adapter); |
| |
| qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); |
| |
| qlcnic_napi_disable(adapter); |
| |
| qlcnic_fw_destroy_ctx(adapter); |
| adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; |
| |
| qlcnic_reset_rx_buffers_list(adapter); |
| qlcnic_release_tx_buffers(adapter); |
| spin_unlock(&adapter->tx_clean_lock); |
| } |
| |
| /* Usage: During suspend and firmware recovery module */ |
| |
| void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) |
| { |
| rtnl_lock(); |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| rtnl_unlock(); |
| |
| } |
| |
| int |
| qlcnic_attach(struct qlcnic_adapter *adapter) |
| { |
| struct net_device *netdev = adapter->netdev; |
| struct pci_dev *pdev = adapter->pdev; |
| int err; |
| |
| if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) |
| return 0; |
| |
| err = qlcnic_napi_add(adapter, netdev); |
| if (err) |
| return err; |
| |
| err = qlcnic_alloc_sw_resources(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Error in setting sw resources\n"); |
| goto err_out_napi_del; |
| } |
| |
| err = qlcnic_alloc_hw_resources(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Error in setting hw resources\n"); |
| goto err_out_free_sw; |
| } |
| |
| err = qlcnic_request_irq(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "failed to setup interrupt\n"); |
| goto err_out_free_hw; |
| } |
| |
| qlcnic_create_sysfs_entries(adapter); |
| |
| adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; |
| return 0; |
| |
| err_out_free_hw: |
| qlcnic_free_hw_resources(adapter); |
| err_out_free_sw: |
| qlcnic_free_sw_resources(adapter); |
| err_out_napi_del: |
| qlcnic_napi_del(adapter); |
| return err; |
| } |
| |
| void qlcnic_detach(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
| return; |
| |
| qlcnic_remove_sysfs_entries(adapter); |
| |
| qlcnic_free_hw_resources(adapter); |
| qlcnic_release_rx_buffers(adapter); |
| qlcnic_free_irq(adapter); |
| qlcnic_napi_del(adapter); |
| qlcnic_free_sw_resources(adapter); |
| |
| adapter->is_up = 0; |
| } |
| |
| void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_host_sds_ring *sds_ring; |
| int ring; |
| |
| clear_bit(__QLCNIC_DEV_UP, &adapter->state); |
| if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
| qlcnic_disable_int(sds_ring); |
| } |
| } |
| |
| qlcnic_fw_destroy_ctx(adapter); |
| |
| qlcnic_detach(adapter); |
| |
| adapter->ahw->diag_test = 0; |
| adapter->max_sds_rings = max_sds_rings; |
| |
| if (qlcnic_attach(adapter)) |
| goto out; |
| |
| if (netif_running(netdev)) |
| __qlcnic_up(adapter, netdev); |
| out: |
| netif_device_attach(netdev); |
| } |
| |
| static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) |
| { |
| int err = 0; |
| adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), |
| GFP_KERNEL); |
| if (!adapter->recv_ctx) { |
| err = -ENOMEM; |
| goto err_out; |
| } |
| /* Initialize interrupt coalesce parameters */ |
| adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT; |
| adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; |
| adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; |
| /* clear stats */ |
| memset(&adapter->stats, 0, sizeof(adapter->stats)); |
| err_out: |
| return err; |
| } |
| |
| static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) |
| { |
| kfree(adapter->recv_ctx); |
| adapter->recv_ctx = NULL; |
| |
| if (adapter->ahw->fw_dump.tmpl_hdr) { |
| vfree(adapter->ahw->fw_dump.tmpl_hdr); |
| adapter->ahw->fw_dump.tmpl_hdr = NULL; |
| } |
| |
| kfree(adapter->ahw->reset.buff); |
| adapter->ahw->fw_dump.tmpl_hdr = NULL; |
| } |
| |
| int qlcnic_diag_alloc_res(struct net_device *netdev, int test) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_host_rds_ring *rds_ring; |
| int ring; |
| int ret; |
| |
| netif_device_detach(netdev); |
| |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| |
| adapter->max_sds_rings = 1; |
| adapter->ahw->diag_test = test; |
| adapter->ahw->linkup = 0; |
| |
| ret = qlcnic_attach(adapter); |
| if (ret) { |
| netif_device_attach(netdev); |
| return ret; |
| } |
| |
| ret = qlcnic_fw_create_ctx(adapter); |
| if (ret) { |
| qlcnic_detach(adapter); |
| netif_device_attach(netdev); |
| return ret; |
| } |
| |
| for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| rds_ring = &adapter->recv_ctx->rds_rings[ring]; |
| qlcnic_post_rx_buffers(adapter, rds_ring, ring); |
| } |
| |
| if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
| qlcnic_enable_int(sds_ring); |
| } |
| } |
| |
| if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { |
| adapter->ahw->loopback_state = 0; |
| qlcnic_linkevent_request(adapter, 1); |
| } |
| |
| set_bit(__QLCNIC_DEV_UP, &adapter->state); |
| |
| return 0; |
| } |
| |
| /* Reset context in hardware only */ |
| static int |
| qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) |
| { |
| struct net_device *netdev = adapter->netdev; |
| |
| if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return -EBUSY; |
| |
| netif_device_detach(netdev); |
| |
| qlcnic_down(adapter, netdev); |
| |
| qlcnic_up(adapter, netdev); |
| |
| netif_device_attach(netdev); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| dev_err(&adapter->pdev->dev, "%s:\n", __func__); |
| return 0; |
| } |
| |
| int |
| qlcnic_reset_context(struct qlcnic_adapter *adapter) |
| { |
| int err = 0; |
| struct net_device *netdev = adapter->netdev; |
| |
| if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return -EBUSY; |
| |
| if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { |
| |
| netif_device_detach(netdev); |
| |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_attach(adapter); |
| if (!err) { |
| __qlcnic_up(adapter, netdev); |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| } |
| |
| netif_device_attach(netdev); |
| } |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| return err; |
| } |
| |
| int |
| qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, |
| int pci_using_dac) |
| { |
| int err; |
| struct pci_dev *pdev = adapter->pdev; |
| |
| adapter->rx_csum = 1; |
| adapter->ahw->mc_enabled = 0; |
| adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; |
| |
| netdev->netdev_ops = &qlcnic_netdev_ops; |
| netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; |
| |
| qlcnic_change_mtu(netdev, netdev->mtu); |
| |
| SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); |
| |
| netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | |
| NETIF_F_IPV6_CSUM | NETIF_F_GRO | |
| NETIF_F_HW_VLAN_CTAG_RX); |
| netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
| NETIF_F_IPV6_CSUM); |
| |
| if (QLCNIC_IS_TSO_CAPABLE(adapter)) { |
| netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| } |
| |
| if (pci_using_dac) { |
| netdev->features |= NETIF_F_HIGHDMA; |
| netdev->vlan_features |= NETIF_F_HIGHDMA; |
| } |
| |
| if (qlcnic_vlan_tx_check(adapter)) |
| netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); |
| |
| if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) |
| netdev->features |= NETIF_F_LRO; |
| |
| netdev->hw_features = netdev->features; |
| netdev->irq = adapter->msix_entries[0].vector; |
| |
| err = register_netdev(netdev); |
| if (err) { |
| dev_err(&pdev->dev, "failed to register net device\n"); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) |
| { |
| if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && |
| !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) |
| *pci_using_dac = 1; |
| else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && |
| !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) |
| *pci_using_dac = 0; |
| else { |
| dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) |
| { |
| int ring; |
| struct qlcnic_host_tx_ring *tx_ring; |
| |
| for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { |
| tx_ring = &adapter->tx_ring[ring]; |
| if (tx_ring && tx_ring->cmd_buf_arr != NULL) { |
| vfree(tx_ring->cmd_buf_arr); |
| tx_ring->cmd_buf_arr = NULL; |
| } |
| } |
| if (adapter->tx_ring != NULL) |
| kfree(adapter->tx_ring); |
| } |
| |
| int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, |
| struct net_device *netdev) |
| { |
| int ring, vector, index; |
| struct qlcnic_host_tx_ring *tx_ring; |
| struct qlcnic_cmd_buffer *cmd_buf_arr; |
| |
| tx_ring = kcalloc(adapter->max_drv_tx_rings, |
| sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); |
| if (tx_ring == NULL) |
| return -ENOMEM; |
| |
| adapter->tx_ring = tx_ring; |
| |
| for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { |
| tx_ring = &adapter->tx_ring[ring]; |
| tx_ring->num_desc = adapter->num_txd; |
| tx_ring->txq = netdev_get_tx_queue(netdev, ring); |
| cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); |
| if (cmd_buf_arr == NULL) { |
| qlcnic_free_tx_rings(adapter); |
| return -ENOMEM; |
| } |
| memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); |
| tx_ring->cmd_buf_arr = cmd_buf_arr; |
| } |
| |
| if (qlcnic_83xx_check(adapter)) { |
| for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { |
| tx_ring = &adapter->tx_ring[ring]; |
| tx_ring->adapter = adapter; |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) { |
| index = adapter->max_sds_rings + ring; |
| vector = adapter->msix_entries[index].vector; |
| tx_ring->irq = vector; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| static int |
| qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
| { |
| struct net_device *netdev = NULL; |
| struct qlcnic_adapter *adapter = NULL; |
| struct qlcnic_hardware_context *ahw; |
| int err, pci_using_dac = -1; |
| u32 capab2; |
| char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ |
| |
| if (pdev->is_virtfn) |
| return -ENODEV; |
| |
| err = pci_enable_device(pdev); |
| if (err) |
| return err; |
| |
| if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
| err = -ENODEV; |
| goto err_out_disable_pdev; |
| } |
| |
| err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
| if (err) |
| goto err_out_disable_pdev; |
| |
| err = pci_request_regions(pdev, qlcnic_driver_name); |
| if (err) |
| goto err_out_disable_pdev; |
| |
| pci_set_master(pdev); |
| pci_enable_pcie_error_reporting(pdev); |
| |
| ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); |
| if (!ahw) |
| goto err_out_free_res; |
| |
| switch (ent->device) { |
| case PCI_DEVICE_ID_QLOGIC_QLE824X: |
| ahw->hw_ops = &qlcnic_hw_ops; |
| ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; |
| break; |
| case PCI_DEVICE_ID_QLOGIC_QLE834X: |
| qlcnic_83xx_register_map(ahw); |
| break; |
| case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: |
| qlcnic_sriov_vf_register_map(ahw); |
| break; |
| default: |
| goto err_out_free_hw_res; |
| } |
| |
| err = qlcnic_setup_pci_map(pdev, ahw); |
| if (err) |
| goto err_out_free_hw_res; |
| |
| netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); |
| if (!netdev) { |
| err = -ENOMEM; |
| goto err_out_iounmap; |
| } |
| |
| SET_NETDEV_DEV(netdev, &pdev->dev); |
| |
| adapter = netdev_priv(netdev); |
| adapter->netdev = netdev; |
| adapter->pdev = pdev; |
| adapter->ahw = ahw; |
| |
| adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); |
| if (adapter->qlcnic_wq == NULL) { |
| dev_err(&pdev->dev, "Failed to create workqueue\n"); |
| goto err_out_free_netdev; |
| } |
| |
| err = qlcnic_alloc_adapter_resources(adapter); |
| if (err) |
| goto err_out_free_netdev; |
| |
| adapter->dev_rst_time = jiffies; |
| adapter->ahw->revision_id = pdev->revision; |
| if (qlcnic_mac_learn == FDB_MAC_LEARN) |
| adapter->fdb_mac_learn = true; |
| else if (qlcnic_mac_learn == DRV_MAC_LEARN) |
| adapter->drv_mac_learn = true; |
| adapter->max_drv_tx_rings = 1; |
| |
| rwlock_init(&adapter->ahw->crb_lock); |
| mutex_init(&adapter->ahw->mem_lock); |
| |
| spin_lock_init(&adapter->tx_clean_lock); |
| INIT_LIST_HEAD(&adapter->mac_list); |
| |
| if (qlcnic_82xx_check(adapter)) { |
| qlcnic_check_vf(adapter, ent); |
| adapter->portnum = adapter->ahw->pci_func; |
| err = qlcnic_start_firmware(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); |
| goto err_out_free_hw; |
| } |
| |
| err = qlcnic_setup_idc_param(adapter); |
| if (err) |
| goto err_out_free_hw; |
| |
| adapter->flags |= QLCNIC_NEED_FLR; |
| } else if (qlcnic_83xx_check(adapter)) { |
| qlcnic_83xx_check_vf(adapter, ent); |
| adapter->portnum = adapter->ahw->pci_func; |
| err = qlcnic_83xx_init(adapter, pci_using_dac); |
| if (err) { |
| dev_err(&pdev->dev, "%s: failed\n", __func__); |
| goto err_out_free_hw; |
| } |
| if (qlcnic_sriov_vf_check(adapter)) |
| return 0; |
| } else { |
| dev_err(&pdev->dev, |
| "%s: failed. Please Reboot\n", __func__); |
| goto err_out_free_hw; |
| } |
| |
| if (qlcnic_read_mac_addr(adapter)) |
| dev_warn(&pdev->dev, "failed to read mac addr\n"); |
| |
| if (adapter->portnum == 0) { |
| qlcnic_get_board_name(adapter, board_name); |
| |
| pr_info("%s: %s Board Chip rev 0x%x\n", |
| module_name(THIS_MODULE), |
| board_name, adapter->ahw->revision_id); |
| } |
| |
| if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && |
| !!qlcnic_use_msi) |
| dev_warn(&pdev->dev, |
| "83xx adapter do not support MSI interrupts\n"); |
| |
| err = qlcnic_setup_intr(adapter, 0); |
| if (err) { |
| dev_err(&pdev->dev, "Failed to setup interrupt\n"); |
| goto err_out_disable_msi; |
| } |
| |
| if (qlcnic_83xx_check(adapter)) { |
| err = qlcnic_83xx_setup_mbx_intr(adapter); |
| if (err) |
| goto err_out_disable_msi; |
| } |
| |
| err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
| if (err) |
| goto err_out_disable_mbx_intr; |
| |
| if (qlcnic_82xx_check(adapter)) { |
| if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { |
| capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); |
| if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB) |
| qlcnic_fw_cmd_set_drv_version(adapter); |
| } |
| } |
| |
| pci_set_drvdata(pdev, adapter); |
| |
| if (qlcnic_82xx_check(adapter)) |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, |
| FW_POLL_DELAY); |
| |
| switch (adapter->ahw->port_type) { |
| case QLCNIC_GBE: |
| dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", |
| adapter->netdev->name); |
| break; |
| case QLCNIC_XGBE: |
| dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", |
| adapter->netdev->name); |
| break; |
| } |
| |
| if (qlcnic_get_act_pci_func(adapter)) |
| goto err_out_disable_mbx_intr; |
| |
| if (adapter->drv_mac_learn) |
| qlcnic_alloc_lb_filters_mem(adapter); |
| |
| qlcnic_add_sysfs(adapter); |
| |
| return 0; |
| |
| err_out_disable_mbx_intr: |
| if (qlcnic_83xx_check(adapter)) |
| qlcnic_83xx_free_mbx_intr(adapter); |
| |
| err_out_disable_msi: |
| qlcnic_teardown_intr(adapter); |
| qlcnic_cancel_idc_work(adapter); |
| qlcnic_clr_all_drv_state(adapter, 0); |
| |
| err_out_free_hw: |
| qlcnic_free_adapter_resources(adapter); |
| |
| err_out_free_netdev: |
| free_netdev(netdev); |
| |
| err_out_iounmap: |
| qlcnic_cleanup_pci_map(ahw); |
| |
| err_out_free_hw_res: |
| kfree(ahw); |
| |
| err_out_free_res: |
| pci_release_regions(pdev); |
| |
| err_out_disable_pdev: |
| pci_set_drvdata(pdev, NULL); |
| pci_disable_device(pdev); |
| return err; |
| } |
| |
| static void qlcnic_remove(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter; |
| struct net_device *netdev; |
| struct qlcnic_hardware_context *ahw; |
| |
| adapter = pci_get_drvdata(pdev); |
| if (adapter == NULL) |
| return; |
| |
| netdev = adapter->netdev; |
| qlcnic_sriov_pf_disable(adapter); |
| |
| qlcnic_cancel_idc_work(adapter); |
| ahw = adapter->ahw; |
| |
| unregister_netdev(netdev); |
| qlcnic_sriov_cleanup(adapter); |
| |
| if (qlcnic_83xx_check(adapter)) { |
| qlcnic_83xx_free_mbx_intr(adapter); |
| qlcnic_83xx_register_nic_idc_func(adapter, 0); |
| cancel_delayed_work_sync(&adapter->idc_aen_work); |
| } |
| |
| qlcnic_detach(adapter); |
| |
| if (adapter->npars != NULL) |
| kfree(adapter->npars); |
| if (adapter->eswitch != NULL) |
| kfree(adapter->eswitch); |
| |
| if (qlcnic_82xx_check(adapter)) |
| qlcnic_clr_all_drv_state(adapter, 0); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| qlcnic_free_lb_filters_mem(adapter); |
| |
| qlcnic_teardown_intr(adapter); |
| |
| qlcnic_remove_sysfs(adapter); |
| |
| qlcnic_cleanup_pci_map(adapter->ahw); |
| |
| qlcnic_release_firmware(adapter); |
| |
| pci_disable_pcie_error_reporting(pdev); |
| pci_release_regions(pdev); |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| |
| if (adapter->qlcnic_wq) { |
| destroy_workqueue(adapter->qlcnic_wq); |
| adapter->qlcnic_wq = NULL; |
| } |
| qlcnic_free_adapter_resources(adapter); |
| kfree(ahw); |
| free_netdev(netdev); |
| } |
| static int __qlcnic_shutdown(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| int retval; |
| |
| netif_device_detach(netdev); |
| |
| qlcnic_cancel_idc_work(adapter); |
| |
| if (netif_running(netdev)) |
| qlcnic_down(adapter, netdev); |
| |
| if (qlcnic_82xx_check(adapter)) |
| qlcnic_clr_all_drv_state(adapter, 0); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| retval = pci_save_state(pdev); |
| if (retval) |
| return retval; |
| if (qlcnic_82xx_check(adapter)) { |
| if (qlcnic_wol_supported(adapter)) { |
| pci_enable_wake(pdev, PCI_D3cold, 1); |
| pci_enable_wake(pdev, PCI_D3hot, 1); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void qlcnic_shutdown(struct pci_dev *pdev) |
| { |
| if (__qlcnic_shutdown(pdev)) |
| return; |
| |
| pci_disable_device(pdev); |
| } |
| |
| #ifdef CONFIG_PM |
| static int |
| qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| int retval; |
| |
| retval = __qlcnic_shutdown(pdev); |
| if (retval) |
| return retval; |
| |
| pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| return 0; |
| } |
| |
| static int |
| qlcnic_resume(struct pci_dev *pdev) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| int err; |
| |
| err = pci_enable_device(pdev); |
| if (err) |
| return err; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| |
| err = qlcnic_start_firmware(adapter); |
| if (err) { |
| dev_err(&pdev->dev, "failed to start firmware\n"); |
| return err; |
| } |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_up(adapter, netdev); |
| if (err) |
| goto done; |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| done: |
| netif_device_attach(netdev); |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); |
| return 0; |
| } |
| #endif |
| |
| static int qlcnic_open(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| int err; |
| |
| netif_carrier_off(netdev); |
| |
| err = qlcnic_attach(adapter); |
| if (err) |
| return err; |
| |
| err = __qlcnic_up(adapter, netdev); |
| if (err) |
| goto err_out; |
| |
| netif_start_queue(netdev); |
| |
| return 0; |
| |
| err_out: |
| qlcnic_detach(adapter); |
| return err; |
| } |
| |
| /* |
| * qlcnic_close - Disables a network interface entry point |
| */ |
| static int qlcnic_close(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| __qlcnic_down(adapter, netdev); |
| |
| return 0; |
| } |
| |
| void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) |
| { |
| void *head; |
| int i; |
| struct net_device *netdev = adapter->netdev; |
| u32 filter_size = 0; |
| u16 act_pci_func = 0; |
| |
| if (adapter->fhash.fmax && adapter->fhash.fhead) |
| return; |
| |
| act_pci_func = adapter->ahw->act_pci_func; |
| spin_lock_init(&adapter->mac_learn_lock); |
| spin_lock_init(&adapter->rx_mac_learn_lock); |
| |
| if (qlcnic_82xx_check(adapter)) { |
| filter_size = QLCNIC_LB_MAX_FILTERS; |
| adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; |
| } else { |
| filter_size = QLC_83XX_LB_MAX_FILTERS; |
| adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; |
| } |
| |
| head = kcalloc(adapter->fhash.fbucket_size, |
| sizeof(struct hlist_head), GFP_ATOMIC); |
| |
| if (!head) |
| return; |
| |
| adapter->fhash.fmax = (filter_size / act_pci_func); |
| adapter->fhash.fhead = head; |
| |
| netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", |
| act_pci_func, adapter->fhash.fmax); |
| |
| for (i = 0; i < adapter->fhash.fbucket_size; i++) |
| INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); |
| |
| adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; |
| |
| head = kcalloc(adapter->rx_fhash.fbucket_size, |
| sizeof(struct hlist_head), GFP_ATOMIC); |
| |
| if (!head) |
| return; |
| |
| adapter->rx_fhash.fmax = (filter_size / act_pci_func); |
| adapter->rx_fhash.fhead = head; |
| |
| for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) |
| INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); |
| } |
| |
| static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) |
| { |
| if (adapter->fhash.fmax && adapter->fhash.fhead) |
| kfree(adapter->fhash.fhead); |
| |
| adapter->fhash.fhead = NULL; |
| adapter->fhash.fmax = 0; |
| |
| if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) |
| kfree(adapter->rx_fhash.fhead); |
| |
| adapter->rx_fhash.fmax = 0; |
| adapter->rx_fhash.fhead = NULL; |
| } |
| |
| int qlcnic_check_temp(struct qlcnic_adapter *adapter) |
| { |
| struct net_device *netdev = adapter->netdev; |
| u32 temp_state, temp_val, temp = 0; |
| int rv = 0; |
| |
| if (qlcnic_83xx_check(adapter)) |
| temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); |
| |
| if (qlcnic_82xx_check(adapter)) |
| temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); |
| |
| temp_state = qlcnic_get_temp_state(temp); |
| temp_val = qlcnic_get_temp_val(temp); |
| |
| if (temp_state == QLCNIC_TEMP_PANIC) { |
| dev_err(&netdev->dev, |
| "Device temperature %d degrees C exceeds" |
| " maximum allowed. Hardware has been shut down.\n", |
| temp_val); |
| rv = 1; |
| } else if (temp_state == QLCNIC_TEMP_WARN) { |
| if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { |
| dev_err(&netdev->dev, |
| "Device temperature %d degrees C " |
| "exceeds operating range." |
| " Immediate action needed.\n", |
| temp_val); |
| } |
| } else { |
| if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { |
| dev_info(&netdev->dev, |
| "Device temperature is now %d degrees C" |
| " in normal range.\n", temp_val); |
| } |
| } |
| adapter->ahw->temp = temp_state; |
| return rv; |
| } |
| |
| static void qlcnic_tx_timeout(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return; |
| |
| dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
| |
| if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) |
| adapter->need_fw_reset = 1; |
| else |
| adapter->ahw->reset_context = 1; |
| } |
| |
| static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct net_device_stats *stats = &netdev->stats; |
| |
| stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
| stats->tx_packets = adapter->stats.xmitfinished; |
| stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; |
| stats->tx_bytes = adapter->stats.txbytes; |
| stats->rx_dropped = adapter->stats.rxdropped; |
| stats->tx_dropped = adapter->stats.txdropped; |
| |
| return stats; |
| } |
| |
| irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) |
| { |
| u32 status; |
| |
| status = readl(adapter->isr_int_vec); |
| |
| if (!(status & adapter->ahw->int_vec_bit)) |
| return IRQ_NONE; |
| |
| /* check interrupt state machine, to be sure */ |
| status = readl(adapter->crb_int_state_reg); |
| if (!ISR_LEGACY_INT_TRIGGERED(status)) |
| return IRQ_NONE; |
| |
| writel(0xffffffff, adapter->tgt_status_reg); |
| /* read twice to ensure write is flushed */ |
| readl(adapter->isr_int_vec); |
| readl(adapter->isr_int_vec); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_tmp_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| if (adapter->flags & QLCNIC_MSIX_ENABLED) |
| goto done; |
| else if (adapter->flags & QLCNIC_MSI_ENABLED) { |
| writel(0xffffffff, adapter->tgt_status_reg); |
| goto done; |
| } |
| |
| if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) |
| return IRQ_NONE; |
| |
| done: |
| adapter->ahw->diag_cnt++; |
| qlcnic_enable_int(sds_ring); |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) |
| return IRQ_NONE; |
| |
| napi_schedule(&sds_ring->napi); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_msi_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| struct qlcnic_adapter *adapter = sds_ring->adapter; |
| |
| /* clear interrupt */ |
| writel(0xffffffff, adapter->tgt_status_reg); |
| |
| napi_schedule(&sds_ring->napi); |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_msix_intr(int irq, void *data) |
| { |
| struct qlcnic_host_sds_ring *sds_ring = data; |
| |
| napi_schedule(&sds_ring->napi); |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) |
| { |
| struct qlcnic_host_tx_ring *tx_ring = data; |
| |
| napi_schedule(&tx_ring->napi); |
| return IRQ_HANDLED; |
| } |
| |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| static void qlcnic_poll_controller(struct net_device *netdev) |
| { |
| int ring; |
| struct qlcnic_host_sds_ring *sds_ring; |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
| |
| disable_irq(adapter->irq); |
| for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| sds_ring = &recv_ctx->sds_rings[ring]; |
| qlcnic_intr(adapter->irq, sds_ring); |
| } |
| enable_irq(adapter->irq); |
| } |
| #endif |
| |
| static void |
| qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) |
| { |
| u32 val; |
| |
| val = adapter->portnum & 0xf; |
| val |= encoding << 7; |
| val |= (jiffies - adapter->dev_rst_time) << 8; |
| |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); |
| adapter->dev_rst_time = jiffies; |
| } |
| |
| static int |
| qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) |
| { |
| u32 val; |
| |
| WARN_ON(state != QLCNIC_DEV_NEED_RESET && |
| state != QLCNIC_DEV_NEED_QUISCENT); |
| |
| if (qlcnic_api_lock(adapter)) |
| return -EIO; |
| |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| |
| if (state == QLCNIC_DEV_NEED_RESET) |
| QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
| else if (state == QLCNIC_DEV_NEED_QUISCENT) |
| QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
| |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| qlcnic_api_unlock(adapter); |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) |
| { |
| u32 val; |
| |
| if (qlcnic_api_lock(adapter)) |
| return -EBUSY; |
| |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| qlcnic_api_unlock(adapter); |
| |
| return 0; |
| } |
| |
| static void |
| qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) |
| { |
| u32 val; |
| |
| if (qlcnic_api_lock(adapter)) |
| goto err; |
| |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
| |
| if (failed) { |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_FAILED); |
| dev_info(&adapter->pdev->dev, |
| "Device state set to Failed. Please Reboot\n"); |
| } else if (!(val & 0x11111111)) |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_COLD); |
| |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| qlcnic_api_unlock(adapter); |
| err: |
| adapter->fw_fail_cnt = 0; |
| adapter->flags &= ~QLCNIC_FW_HANG; |
| clear_bit(__QLCNIC_START_FW, &adapter->state); |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| } |
| |
| /* Grab api lock, before checking state */ |
| static int |
| qlcnic_check_drv_state(struct qlcnic_adapter *adapter) |
| { |
| int act, state, active_mask; |
| struct qlcnic_hardware_context *ahw = adapter->ahw; |
| |
| state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| |
| if (adapter->flags & QLCNIC_FW_RESET_OWNER) { |
| active_mask = (~(1 << (ahw->pci_func * 4))); |
| act = act & active_mask; |
| } |
| |
| if (((state & 0x11111111) == (act & 0x11111111)) || |
| ((act & 0x11111111) == ((state >> 1) & 0x11111111))) |
| return 0; |
| else |
| return 1; |
| } |
| |
| static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) |
| { |
| u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); |
| |
| if (val != QLCNIC_DRV_IDC_VER) { |
| dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" |
| " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) |
| { |
| u32 val, prev_state; |
| u8 dev_init_timeo = adapter->dev_init_timeo; |
| u8 portnum = adapter->portnum; |
| u8 ret; |
| |
| if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
| return 1; |
| |
| if (qlcnic_api_lock(adapter)) |
| return -1; |
| |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
| if (!(val & (1 << (portnum * 4)))) { |
| QLC_DEV_SET_REF_CNT(val, portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
| } |
| |
| prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
| |
| switch (prev_state) { |
| case QLCNIC_DEV_COLD: |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_INITIALIZING); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, |
| QLCNIC_DRV_IDC_VER); |
| qlcnic_idc_debug_info(adapter, 0); |
| qlcnic_api_unlock(adapter); |
| return 1; |
| |
| case QLCNIC_DEV_READY: |
| ret = qlcnic_check_idc_ver(adapter); |
| qlcnic_api_unlock(adapter); |
| return ret; |
| |
| case QLCNIC_DEV_NEED_RESET: |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_SET_RST_RDY(val, portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| break; |
| |
| case QLCNIC_DEV_NEED_QUISCENT: |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_SET_QSCNT_RDY(val, portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| break; |
| |
| case QLCNIC_DEV_FAILED: |
| dev_err(&adapter->pdev->dev, "Device in failed state.\n"); |
| qlcnic_api_unlock(adapter); |
| return -1; |
| |
| case QLCNIC_DEV_INITIALIZING: |
| case QLCNIC_DEV_QUISCENT: |
| break; |
| } |
| |
| qlcnic_api_unlock(adapter); |
| |
| do { |
| msleep(1000); |
| prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| |
| if (prev_state == QLCNIC_DEV_QUISCENT) |
| continue; |
| } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); |
| |
| if (!dev_init_timeo) { |
| dev_err(&adapter->pdev->dev, |
| "Waiting for device to initialize timeout\n"); |
| return -1; |
| } |
| |
| if (qlcnic_api_lock(adapter)) |
| return -1; |
| |
| val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_CLR_RST_QSCNT(val, portnum); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
| |
| ret = qlcnic_check_idc_ver(adapter); |
| qlcnic_api_unlock(adapter); |
| |
| return ret; |
| } |
| |
| static void |
| qlcnic_fwinit_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| u32 dev_state = 0xf; |
| u32 val; |
| |
| if (qlcnic_api_lock(adapter)) |
| goto err_ret; |
| |
| dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| if (dev_state == QLCNIC_DEV_QUISCENT || |
| dev_state == QLCNIC_DEV_NEED_QUISCENT) { |
| qlcnic_api_unlock(adapter); |
| qlcnic_schedule_work(adapter, qlcnic_fwinit_work, |
| FW_POLL_DELAY * 2); |
| return; |
| } |
| |
| if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { |
| qlcnic_api_unlock(adapter); |
| goto wait_npar; |
| } |
| |
| if (dev_state == QLCNIC_DEV_INITIALIZING || |
| dev_state == QLCNIC_DEV_READY) { |
| dev_info(&adapter->pdev->dev, "Detected state change from " |
| "DEV_NEED_RESET, skipping ack check\n"); |
| goto skip_ack_check; |
| } |
| |
| if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
| dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", |
| adapter->reset_ack_timeo); |
| goto skip_ack_check; |
| } |
| |
| if (!qlcnic_check_drv_state(adapter)) { |
| skip_ack_check: |
| dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| |
| if (dev_state == QLCNIC_DEV_NEED_RESET) { |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_INITIALIZING); |
| set_bit(__QLCNIC_START_FW, &adapter->state); |
| QLCDB(adapter, DRV, "Restarting fw\n"); |
| qlcnic_idc_debug_info(adapter, 0); |
| val = QLC_SHARED_REG_RD32(adapter, |
| QLCNIC_CRB_DRV_STATE); |
| QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
| QLC_SHARED_REG_WR32(adapter, |
| QLCNIC_CRB_DRV_STATE, val); |
| } |
| |
| qlcnic_api_unlock(adapter); |
| |
| rtnl_lock(); |
| if (adapter->ahw->fw_dump.enable && |
| (adapter->flags & QLCNIC_FW_RESET_OWNER)) { |
| QLCDB(adapter, DRV, "Take FW dump\n"); |
| qlcnic_dump_fw(adapter); |
| adapter->flags |= QLCNIC_FW_HANG; |
| } |
| rtnl_unlock(); |
| |
| adapter->flags &= ~QLCNIC_FW_RESET_OWNER; |
| if (!adapter->nic_ops->start_firmware(adapter)) { |
| qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
| adapter->fw_wait_cnt = 0; |
| return; |
| } |
| goto err_ret; |
| } |
| |
| qlcnic_api_unlock(adapter); |
| |
| wait_npar: |
| dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
| |
| switch (dev_state) { |
| case QLCNIC_DEV_READY: |
| if (!qlcnic_start_firmware(adapter)) { |
| qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
| adapter->fw_wait_cnt = 0; |
| return; |
| } |
| case QLCNIC_DEV_FAILED: |
| break; |
| default: |
| qlcnic_schedule_work(adapter, |
| qlcnic_fwinit_work, FW_POLL_DELAY); |
| return; |
| } |
| |
| err_ret: |
| dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
| "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); |
| netif_device_attach(adapter->netdev); |
| qlcnic_clr_all_drv_state(adapter, 0); |
| } |
| |
| static void |
| qlcnic_detach_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| struct net_device *netdev = adapter->netdev; |
| u32 status; |
| |
| netif_device_detach(netdev); |
| |
| /* Dont grab rtnl lock during Quiscent mode */ |
| if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| } else |
| qlcnic_down(adapter, netdev); |
| |
| status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
| |
| if (status & QLCNIC_RCODE_FATAL_ERROR) { |
| dev_err(&adapter->pdev->dev, |
| "Detaching the device: peg halt status1=0x%x\n", |
| status); |
| |
| if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { |
| dev_err(&adapter->pdev->dev, |
| "On board active cooling fan failed. " |
| "Device has been halted.\n"); |
| dev_err(&adapter->pdev->dev, |
| "Replace the adapter.\n"); |
| } |
| |
| goto err_ret; |
| } |
| |
| if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { |
| dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", |
| adapter->ahw->temp); |
| goto err_ret; |
| } |
| |
| /* Dont ack if this instance is the reset owner */ |
| if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { |
| if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { |
| dev_err(&adapter->pdev->dev, |
| "Failed to set driver state," |
| "detaching the device.\n"); |
| goto err_ret; |
| } |
| } |
| |
| adapter->fw_wait_cnt = 0; |
| |
| qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); |
| |
| return; |
| |
| err_ret: |
| netif_device_attach(netdev); |
| qlcnic_clr_all_drv_state(adapter, 1); |
| } |
| |
| /*Transit NPAR state to NON Operational */ |
| static void |
| qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) |
| { |
| u32 state; |
| |
| state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); |
| if (state == QLCNIC_DEV_NPAR_NON_OPER) |
| return; |
| |
| if (qlcnic_api_lock(adapter)) |
| return; |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, |
| QLCNIC_DEV_NPAR_NON_OPER); |
| qlcnic_api_unlock(adapter); |
| } |
| |
| void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) |
| { |
| u32 state, xg_val = 0, gb_val = 0; |
| |
| qlcnic_xg_set_xg0_mask(xg_val); |
| qlcnic_xg_set_xg1_mask(xg_val); |
| QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); |
| qlcnic_gb_set_gb0_mask(gb_val); |
| qlcnic_gb_set_gb1_mask(gb_val); |
| qlcnic_gb_set_gb2_mask(gb_val); |
| qlcnic_gb_set_gb3_mask(gb_val); |
| QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); |
| dev_info(&adapter->pdev->dev, "Pause control frames disabled" |
| " on all ports\n"); |
| adapter->need_fw_reset = 1; |
| |
| if (qlcnic_api_lock(adapter)) |
| return; |
| |
| state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| |
| if (state == QLCNIC_DEV_READY) { |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_NEED_RESET); |
| adapter->flags |= QLCNIC_FW_RESET_OWNER; |
| QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
| qlcnic_idc_debug_info(adapter, 0); |
| } |
| |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, |
| QLCNIC_DEV_NPAR_NON_OPER); |
| qlcnic_api_unlock(adapter); |
| } |
| |
| /* Transit to NPAR READY state from NPAR NOT READY state */ |
| static void |
| qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) |
| { |
| if (qlcnic_api_lock(adapter)) |
| return; |
| |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, |
| QLCNIC_DEV_NPAR_OPER); |
| QLCDB(adapter, DRV, "NPAR operational state set\n"); |
| |
| qlcnic_api_unlock(adapter); |
| } |
| |
| void qlcnic_schedule_work(struct qlcnic_adapter *adapter, |
| work_func_t func, int delay) |
| { |
| if (test_bit(__QLCNIC_AER, &adapter->state)) |
| return; |
| |
| INIT_DELAYED_WORK(&adapter->fw_work, func); |
| queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, |
| round_jiffies_relative(delay)); |
| } |
| |
| static void |
| qlcnic_attach_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| struct net_device *netdev = adapter->netdev; |
| u32 npar_state; |
| |
| if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { |
| npar_state = QLC_SHARED_REG_RD32(adapter, |
| QLCNIC_CRB_DEV_NPAR_STATE); |
| if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) |
| qlcnic_clr_all_drv_state(adapter, 0); |
| else if (npar_state != QLCNIC_DEV_NPAR_OPER) |
| qlcnic_schedule_work(adapter, qlcnic_attach_work, |
| FW_POLL_DELAY); |
| else |
| goto attach; |
| QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); |
| return; |
| } |
| attach: |
| if (netif_running(netdev)) { |
| if (qlcnic_up(adapter, netdev)) |
| goto done; |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| |
| done: |
| netif_device_attach(netdev); |
| adapter->fw_fail_cnt = 0; |
| adapter->flags &= ~QLCNIC_FW_HANG; |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| if (!qlcnic_clr_drv_state(adapter)) |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, |
| FW_POLL_DELAY); |
| } |
| |
| static int |
| qlcnic_check_health(struct qlcnic_adapter *adapter) |
| { |
| u32 state = 0, heartbeat; |
| u32 peg_status; |
| |
| if (qlcnic_check_temp(adapter)) |
| goto detach; |
| |
| if (adapter->need_fw_reset) |
| qlcnic_dev_request_reset(adapter, 0); |
| |
| state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| if (state == QLCNIC_DEV_NEED_RESET) { |
| qlcnic_set_npar_non_operational(adapter); |
| adapter->need_fw_reset = 1; |
| } else if (state == QLCNIC_DEV_NEED_QUISCENT) |
| goto detach; |
| |
| heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
| if (heartbeat != adapter->heartbeat) { |
| adapter->heartbeat = heartbeat; |
| adapter->fw_fail_cnt = 0; |
| if (adapter->need_fw_reset) |
| goto detach; |
| |
| if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) { |
| qlcnic_reset_hw_context(adapter); |
| adapter->netdev->trans_start = jiffies; |
| } |
| |
| return 0; |
| } |
| |
| if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) |
| return 0; |
| |
| adapter->flags |= QLCNIC_FW_HANG; |
| |
| qlcnic_dev_request_reset(adapter, 0); |
| |
| if (qlcnic_auto_fw_reset) |
| clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); |
| |
| dev_err(&adapter->pdev->dev, "firmware hang detected\n"); |
| peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
| dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" |
| "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" |
| "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" |
| "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" |
| "PEG_NET_4_PC: 0x%x\n", |
| peg_status, |
| QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), |
| QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), |
| QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), |
| QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), |
| QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), |
| QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); |
| if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) |
| dev_err(&adapter->pdev->dev, |
| "Firmware aborted with error code 0x00006700. " |
| "Device is being reset.\n"); |
| detach: |
| adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : |
| QLCNIC_DEV_NEED_RESET; |
| |
| if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, |
| &adapter->state)) { |
| |
| qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
| QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
| } |
| |
| return 1; |
| } |
| |
| static void |
| qlcnic_fw_poll_work(struct work_struct *work) |
| { |
| struct qlcnic_adapter *adapter = container_of(work, |
| struct qlcnic_adapter, fw_work.work); |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| goto reschedule; |
| |
| |
| if (qlcnic_check_health(adapter)) |
| return; |
| |
| if (adapter->fhash.fnum) |
| qlcnic_prune_lb_filters(adapter); |
| |
| reschedule: |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); |
| } |
| |
| static int qlcnic_is_first_func(struct pci_dev *pdev) |
| { |
| struct pci_dev *oth_pdev; |
| int val = pdev->devfn; |
| |
| while (val-- > 0) { |
| oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr |
| (pdev->bus), pdev->bus->number, |
| PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); |
| if (!oth_pdev) |
| continue; |
| |
| if (oth_pdev->current_state != PCI_D3cold) { |
| pci_dev_put(oth_pdev); |
| return 0; |
| } |
| pci_dev_put(oth_pdev); |
| } |
| return 1; |
| } |
| |
| static int qlcnic_attach_func(struct pci_dev *pdev) |
| { |
| int err, first_func; |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| |
| pdev->error_state = pci_channel_io_normal; |
| |
| err = pci_enable_device(pdev); |
| if (err) |
| return err; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| |
| first_func = qlcnic_is_first_func(pdev); |
| |
| if (qlcnic_api_lock(adapter)) |
| return -EINVAL; |
| |
| if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { |
| adapter->need_fw_reset = 1; |
| set_bit(__QLCNIC_START_FW, &adapter->state); |
| QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, |
| QLCNIC_DEV_INITIALIZING); |
| QLCDB(adapter, DRV, "Restarting fw\n"); |
| } |
| qlcnic_api_unlock(adapter); |
| |
| err = qlcnic_start_firmware(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_clr_drv_state(adapter); |
| kfree(adapter->msix_entries); |
| adapter->msix_entries = NULL; |
| err = qlcnic_setup_intr(adapter, 0); |
| |
| if (err) { |
| kfree(adapter->msix_entries); |
| netdev_err(netdev, "failed to setup interrupt\n"); |
| return err; |
| } |
| |
| if (qlcnic_83xx_check(adapter)) { |
| /* register for NIC IDC AEN Events */ |
| qlcnic_83xx_register_nic_idc_func(adapter, 1); |
| err = qlcnic_83xx_setup_mbx_intr(adapter); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "failed to setup mbx interrupt\n"); |
| qlcnic_clr_all_drv_state(adapter, 1); |
| clear_bit(__QLCNIC_AER, &adapter->state); |
| goto done; |
| } |
| } |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_attach(adapter); |
| if (err) { |
| qlcnic_clr_all_drv_state(adapter, 1); |
| clear_bit(__QLCNIC_AER, &adapter->state); |
| netif_device_attach(netdev); |
| return err; |
| } |
| |
| err = qlcnic_up(adapter, netdev); |
| if (err) |
| goto done; |
| |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| done: |
| netif_device_attach(netdev); |
| return err; |
| } |
| |
| static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, |
| pci_channel_state_t state) |
| { |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| struct net_device *netdev = adapter->netdev; |
| |
| if (state == pci_channel_io_perm_failure) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| if (state == pci_channel_io_normal) |
| return PCI_ERS_RESULT_RECOVERED; |
| |
| set_bit(__QLCNIC_AER, &adapter->state); |
| netif_device_detach(netdev); |
| |
| cancel_delayed_work_sync(&adapter->fw_work); |
| |
| if (netif_running(netdev)) |
| qlcnic_down(adapter, netdev); |
| |
| if (qlcnic_83xx_check(adapter)) { |
| qlcnic_83xx_free_mbx_intr(adapter); |
| qlcnic_83xx_register_nic_idc_func(adapter, 0); |
| cancel_delayed_work_sync(&adapter->idc_aen_work); |
| } |
| |
| qlcnic_detach(adapter); |
| qlcnic_teardown_intr(adapter); |
| |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| |
| pci_save_state(pdev); |
| pci_disable_device(pdev); |
| |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) |
| { |
| return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : |
| PCI_ERS_RESULT_RECOVERED; |
| } |
| |
| static void qlcnic_io_resume(struct pci_dev *pdev) |
| { |
| u32 state; |
| struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| |
| pci_cleanup_aer_uncorrect_error_status(pdev); |
| state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); |
| if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, |
| &adapter->state)) |
| qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, |
| FW_POLL_DELAY); |
| } |
| |
| static int |
| qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) |
| { |
| int err; |
| |
| err = qlcnic_can_start_firmware(adapter); |
| if (err) |
| return err; |
| |
| err = qlcnic_check_npar_opertional(adapter); |
| if (err) |
| return err; |
| |
| err = qlcnic_initialize_nic(adapter); |
| if (err) |
| return err; |
| |
| qlcnic_check_options(adapter); |
| |
| err = qlcnic_set_eswitch_port_config(adapter); |
| if (err) |
| return err; |
| |
| adapter->need_fw_reset = 0; |
| |
| return err; |
| } |
| |
| int qlcnic_validate_max_rss(u8 max_hw, u8 val) |
| { |
| u32 max_allowed; |
| |
| if (max_hw > QLC_MAX_SDS_RINGS) { |
| max_hw = QLC_MAX_SDS_RINGS; |
| pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS); |
| } |
| |
| max_allowed = rounddown_pow_of_two(min_t(int, max_hw, |
| num_online_cpus())); |
| if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { |
| pr_info("rss_ring valid range [2 - %x] in powers of 2\n", |
| max_allowed); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len) |
| { |
| int err; |
| struct net_device *netdev = adapter->netdev; |
| |
| if (test_bit(__QLCNIC_RESETTING, &adapter->state)) |
| return -EBUSY; |
| |
| netif_device_detach(netdev); |
| if (netif_running(netdev)) |
| __qlcnic_down(adapter, netdev); |
| |
| qlcnic_detach(adapter); |
| |
| if (qlcnic_83xx_check(adapter)) |
| qlcnic_83xx_free_mbx_intr(adapter); |
| |
| qlcnic_teardown_intr(adapter); |
| err = qlcnic_setup_intr(adapter, data); |
| if (err) { |
| kfree(adapter->msix_entries); |
| netdev_err(netdev, "failed to setup interrupt\n"); |
| return err; |
| } |
| |
| if (qlcnic_83xx_check(adapter)) { |
| /* register for NIC IDC AEN Events */ |
| qlcnic_83xx_register_nic_idc_func(adapter, 1); |
| err = qlcnic_83xx_setup_mbx_intr(adapter); |
| if (err) { |
| dev_err(&adapter->pdev->dev, |
| "failed to setup mbx interrupt\n"); |
| goto done; |
| } |
| } |
| |
| if (netif_running(netdev)) { |
| err = qlcnic_attach(adapter); |
| if (err) |
| goto done; |
| err = __qlcnic_up(adapter, netdev); |
| if (err) |
| goto done; |
| qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| } |
| err = len; |
| done: |
| netif_device_attach(netdev); |
| clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| return err; |
| } |
| |
| #ifdef CONFIG_INET |
| |
| #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) |
| |
| static void |
| qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, |
| struct net_device *dev, unsigned long event) |
| { |
| struct in_device *indev; |
| |
| indev = in_dev_get(dev); |
| if (!indev) |
| return; |
| |
| for_ifa(indev) { |
| switch (event) { |
| case NETDEV_UP: |
| qlcnic_config_ipaddr(adapter, |
| ifa->ifa_address, QLCNIC_IP_UP); |
| break; |
| case NETDEV_DOWN: |
| qlcnic_config_ipaddr(adapter, |
| ifa->ifa_address, QLCNIC_IP_DOWN); |
| break; |
| default: |
| break; |
| } |
| } endfor_ifa(indev); |
| |
| in_dev_put(indev); |
| } |
| |
| void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) |
| { |
| struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| struct net_device *dev; |
| u16 vid; |
| |
| qlcnic_config_indev_addr(adapter, netdev, event); |
| |
| rcu_read_lock(); |
| for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { |
| dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); |
| if (!dev) |
| continue; |
| qlcnic_config_indev_addr(adapter, dev, event); |
| } |
| rcu_read_unlock(); |
| } |
| |
| static int qlcnic_netdev_event(struct notifier_block *this, |
| unsigned long event, void *ptr) |
| { |
| struct qlcnic_adapter *adapter; |
| struct net_device *dev = (struct net_device *)ptr; |
| |
| recheck: |
| if (dev == NULL) |
| goto done; |
| |
| if (dev->priv_flags & IFF_802_1Q_VLAN) { |
| dev = vlan_dev_real_dev(dev); |
| goto recheck; |
| } |
| |
| if (!is_qlcnic_netdev(dev)) |
| goto done; |
| |
| adapter = netdev_priv(dev); |
| |
| if (!adapter) |
| goto done; |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| goto done; |
| |
| qlcnic_config_indev_addr(adapter, dev, event); |
| done: |
| return NOTIFY_DONE; |
| } |
| |
| static int |
| qlcnic_inetaddr_event(struct notifier_block *this, |
| unsigned long event, void *ptr) |
| { |
| struct qlcnic_adapter *adapter; |
| struct net_device *dev; |
| |
| struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; |
| |
| dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; |
| |
| recheck: |
| if (dev == NULL) |
| goto done; |
| |
| if (dev->priv_flags & IFF_802_1Q_VLAN) { |
| dev = vlan_dev_real_dev(dev); |
| goto recheck; |
| } |
| |
| if (!is_qlcnic_netdev(dev)) |
| goto done; |
| |
| adapter = netdev_priv(dev); |
| |
| if (!adapter) |
| goto done; |
| |
| if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
| goto done; |
| |
| switch (event) { |
| case NETDEV_UP: |
| qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); |
| |
| break; |
| case NETDEV_DOWN: |
| qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); |
| |
| break; |
| default: |
| break; |
| } |
| |
| done: |
| return NOTIFY_DONE; |
| } |
| |
| static struct notifier_block qlcnic_netdev_cb = { |
| .notifier_call = qlcnic_netdev_event, |
| }; |
| |
| static struct notifier_block qlcnic_inetaddr_cb = { |
| .notifier_call = qlcnic_inetaddr_event, |
| }; |
| #else |
| void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) |
| { } |
| #endif |
| static const struct pci_error_handlers qlcnic_err_handler = { |
| .error_detected = qlcnic_io_error_detected, |
| .slot_reset = qlcnic_io_slot_reset, |
| .resume = qlcnic_io_resume, |
| }; |
| |
| static struct pci_driver qlcnic_driver = { |
| .name = qlcnic_driver_name, |
| .id_table = qlcnic_pci_tbl, |
| .probe = qlcnic_probe, |
| .remove = qlcnic_remove, |
| #ifdef CONFIG_PM |
| .suspend = qlcnic_suspend, |
| .resume = qlcnic_resume, |
| #endif |
| .shutdown = qlcnic_shutdown, |
| .err_handler = &qlcnic_err_handler, |
| #ifdef CONFIG_QLCNIC_SRIOV |
| .sriov_configure = qlcnic_pci_sriov_configure, |
| #endif |
| |
| }; |
| |
| static int __init qlcnic_init_module(void) |
| { |
| int ret; |
| |
| printk(KERN_INFO "%s\n", qlcnic_driver_string); |
| |
| #ifdef CONFIG_INET |
| register_netdevice_notifier(&qlcnic_netdev_cb); |
| register_inetaddr_notifier(&qlcnic_inetaddr_cb); |
| #endif |
| |
| ret = pci_register_driver(&qlcnic_driver); |
| if (ret) { |
| #ifdef CONFIG_INET |
| unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); |
| unregister_netdevice_notifier(&qlcnic_netdev_cb); |
| #endif |
| } |
| |
| return ret; |
| } |
| |
| module_init(qlcnic_init_module); |
| |
| static void __exit qlcnic_exit_module(void) |
| { |
| pci_unregister_driver(&qlcnic_driver); |
| |
| #ifdef CONFIG_INET |
| unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); |
| unregister_netdevice_notifier(&qlcnic_netdev_cb); |
| #endif |
| } |
| |
| module_exit(qlcnic_exit_module); |