diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 143 |
1 files changed, 125 insertions, 18 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index c45de49dc963..2bb804c93688 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3078,6 +3078,26 @@ static int cxgb_change_mtu(struct net_device *dev, int new_mtu) return ret; } +#ifdef CONFIG_PCI_IOV +static int cxgb_set_vf_mac(struct net_device *dev, int vf, u8 *mac) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + + /* verify MAC addr is valid */ + if (!is_valid_ether_addr(mac)) { + dev_err(pi->adapter->pdev_dev, + "Invalid Ethernet address %pM for VF %d\n", + mac, vf); + return -EINVAL; + } + + dev_info(pi->adapter->pdev_dev, + "Setting MAC %pM on VF %d\n", mac, vf); + return t4_set_vf_mac_acl(adap, vf + 1, 1, mac); +} +#endif + static int cxgb_set_mac_addr(struct net_device *dev, void *p) { int ret; @@ -3136,7 +3156,27 @@ static const struct net_device_ops cxgb4_netdev_ops = { #ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = cxgb_busy_poll, #endif +}; +static const struct net_device_ops cxgb4_mgmt_netdev_ops = { +#ifdef CONFIG_PCI_IOV + .ndo_set_vf_mac = cxgb_set_vf_mac, +#endif +}; + +static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + struct adapter *adapter = netdev2adap(dev); + + strlcpy(info->driver, cxgb4_driver_name, sizeof(info->driver)); + strlcpy(info->version, cxgb4_driver_version, + sizeof(info->version)); + strlcpy(info->bus_info, pci_name(adapter->pdev), + sizeof(info->bus_info)); +} + +static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = { + .get_drvinfo = get_drvinfo, }; void t4_fatal_err(struct adapter *adap) @@ -4836,19 +4876,12 @@ static int get_chip_type(struct pci_dev *pdev, u32 pl_rev) #ifdef CONFIG_PCI_IOV static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) { + struct adapter *adap = pci_get_drvdata(pdev); int err = 0; int current_vfs = pci_num_vf(pdev); u32 pcie_fw; - void __iomem *regs; - regs = pci_ioremap_bar(pdev, 0); - if (!regs) { - dev_err(&pdev->dev, "cannot map device registers\n"); - return -ENOMEM; - } - - pcie_fw = readl(regs + PCIE_FW_A); - iounmap(regs); + pcie_fw = readl(adap->regs + PCIE_FW_A); /* Check if cxgb4 is the MASTER and fw is initialized */ if (!(pcie_fw & PCIE_FW_INIT_F) || !(pcie_fw & PCIE_FW_MASTER_VLD_F) || @@ -4875,6 +4908,8 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) */ if (!num_vfs) { pci_disable_sriov(pdev); + if (adap->port[0]->reg_state == NETREG_REGISTERED) + unregister_netdev(adap->port[0]); return num_vfs; } @@ -4882,6 +4917,12 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) err = pci_enable_sriov(pdev, num_vfs); if (err) return err; + + if (adap->port[0]->reg_state == NETREG_UNINITIALIZED) { + err = register_netdev(adap->port[0]); + if (err < 0) + pr_info("Unable to register VF mgmt netdev\n"); + } } return num_vfs; } @@ -4893,9 +4934,14 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) struct port_info *pi; bool highdma = false; struct adapter *adapter = NULL; + struct net_device *netdev; +#ifdef CONFIG_PCI_IOV + char name[IFNAMSIZ]; +#endif void __iomem *regs; u32 whoami, pl_rev; enum chip_type chip; + static int adap_idx = 1; printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); @@ -4930,7 +4976,9 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ? SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami); if (func != ent->driver_data) { +#ifndef CONFIG_PCI_IOV iounmap(regs); +#endif pci_disable_device(pdev); pci_save_state(pdev); /* to restore SR-IOV later */ goto sriov; @@ -4962,6 +5010,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) err = -ENOMEM; goto out_unmap_bar0; } + adap_idx++; adapter->workq = create_singlethread_workqueue("cxgb4"); if (!adapter->workq) { @@ -5048,8 +5097,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) T6_STATMODE_V(0))); for_each_port(adapter, i) { - struct net_device *netdev; - netdev = alloc_etherdev_mq(sizeof(struct port_info), MAX_ETH_QSETS); if (!netdev) { @@ -5217,6 +5264,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) attach_ulds(adapter); print_adapter_info(adapter); + return 0; sriov: #ifdef CONFIG_PCI_IOV @@ -5230,8 +5278,57 @@ sriov: "instantiated %u virtual functions\n", num_vf[func]); } -#endif + + adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); + if (!adapter) { + err = -ENOMEM; + goto free_pci_region; + } + + snprintf(name, IFNAMSIZ, "mgmtpf%d%d", adap_idx, func); + netdev = alloc_netdev(0, name, NET_NAME_UNKNOWN, ether_setup); + if (!netdev) { + err = -ENOMEM; + goto free_adapter; + } + + adapter->pdev = pdev; + adapter->pdev_dev = &pdev->dev; + adapter->name = pci_name(pdev); + adapter->mbox = func; + adapter->pf = func; + adapter->regs = regs; + adapter->mbox_log = kzalloc(sizeof(*adapter->mbox_log) + + (sizeof(struct mbox_cmd) * + T4_OS_LOG_MBOX_CMDS), + GFP_KERNEL); + if (!adapter->mbox_log) { + err = -ENOMEM; + goto free_netdevice; + } + pi = netdev_priv(netdev); + pi->adapter = adapter; + SET_NETDEV_DEV(netdev, &pdev->dev); + pci_set_drvdata(pdev, adapter); + + adapter->port[0] = netdev; + netdev->netdev_ops = &cxgb4_mgmt_netdev_ops; + netdev->ethtool_ops = &cxgb4_mgmt_ethtool_ops; + + return 0; + + free_netdevice: + free_netdev(adapter->port[0]); + free_adapter: + kfree(adapter); + free_pci_region: + iounmap(regs); + pci_disable_sriov(pdev); + pci_release_regions(pdev); + return err; +#else return 0; +#endif out_free_dev: free_some_resources(adapter); @@ -5258,12 +5355,12 @@ static void remove_one(struct pci_dev *pdev) { struct adapter *adapter = pci_get_drvdata(pdev); -#ifdef CONFIG_PCI_IOV - pci_disable_sriov(pdev); - -#endif + if (!adapter) { + pci_release_regions(pdev); + return; + } - if (adapter) { + if (adapter->pf == 4) { int i; /* Tear down per-adapter Work Queue first since it can contain @@ -5312,8 +5409,18 @@ static void remove_one(struct pci_dev *pdev) kfree(adapter->mbox_log); synchronize_rcu(); kfree(adapter); - } else + } +#ifdef CONFIG_PCI_IOV + else { + if (adapter->port[0]->reg_state == NETREG_REGISTERED) + unregister_netdev(adapter->port[0]); + free_netdev(adapter->port[0]); + iounmap(adapter->regs); + kfree(adapter); + pci_disable_sriov(pdev); pci_release_regions(pdev); + } +#endif } static struct pci_driver cxgb4_driver = { |