diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 605 |
1 files changed, 392 insertions, 213 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 05a4abfd5ec1..1ca2a39ed0f8 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -65,6 +65,7 @@ #include <net/addrconf.h> #include <linux/uaccess.h> #include <linux/crash_dump.h> +#include <net/udp_tunnel.h> #include "cxgb4.h" #include "cxgb4_filter.h" @@ -101,7 +102,9 @@ const char cxgb4_driver_version[] = DRV_VERSION; */ #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \ static const struct pci_device_id cxgb4_pci_tbl[] = { -#define CH_PCI_DEVICE_ID_FUNCTION 0x4 +#define CXGB4_UNIFIED_PF 0x4 + +#define CH_PCI_DEVICE_ID_FUNCTION CXGB4_UNIFIED_PF /* Include PCI Device IDs for both PF4 and PF0-3 so our PCI probe() routine is * called for both. @@ -109,7 +112,7 @@ const char cxgb4_driver_version[] = DRV_VERSION; #define CH_PCI_DEVICE_ID_FUNCTION2 0x0 #define CH_PCI_ID_TABLE_ENTRY(devid) \ - {PCI_VDEVICE(CHELSIO, (devid)), 4} + {PCI_VDEVICE(CHELSIO, (devid)), CXGB4_UNIFIED_PF} #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \ { 0, } \ @@ -1673,7 +1676,7 @@ int cxgb4_flush_eq_cache(struct net_device *dev) { struct adapter *adap = netdev2adap(dev); - return t4_sge_ctxt_flush(adap, adap->mbox); + return t4_sge_ctxt_flush(adap, adap->mbox, CTXT_EGRESS); } EXPORT_SYMBOL(cxgb4_flush_eq_cache); @@ -2604,7 +2607,7 @@ static int cxgb_change_mtu(struct net_device *dev, int new_mtu) } #ifdef CONFIG_PCI_IOV -static int dummy_open(struct net_device *dev) +static int cxgb4_mgmt_open(struct net_device *dev) { /* Turn carrier off since we don't have to transmit anything on this * interface. @@ -2614,39 +2617,44 @@ static int dummy_open(struct net_device *dev) } /* Fill MAC address that will be assigned by the FW */ -static void fill_vf_station_mac_addr(struct adapter *adap) +static void cxgb4_mgmt_fill_vf_station_mac_addr(struct adapter *adap) { - unsigned int i; u8 hw_addr[ETH_ALEN], macaddr[ETH_ALEN]; + unsigned int i, vf, nvfs; + u16 a, b; int err; u8 *na; - u16 a, b; + adap->params.pci.vpd_cap_addr = pci_find_capability(adap->pdev, + PCI_CAP_ID_VPD); err = t4_get_raw_vpd_params(adap, &adap->params.vpd); - if (!err) { - na = adap->params.vpd.na; - for (i = 0; i < ETH_ALEN; i++) - hw_addr[i] = (hex2val(na[2 * i + 0]) * 16 + - hex2val(na[2 * i + 1])); - a = (hw_addr[0] << 8) | hw_addr[1]; - b = (hw_addr[1] << 8) | hw_addr[2]; - a ^= b; - a |= 0x0200; /* locally assigned Ethernet MAC address */ - a &= ~0x0100; /* not a multicast Ethernet MAC address */ - macaddr[0] = a >> 8; - macaddr[1] = a & 0xff; - - for (i = 2; i < 5; i++) - macaddr[i] = hw_addr[i + 1]; - - for (i = 0; i < adap->num_vfs; i++) { - macaddr[5] = adap->pf * 16 + i; - ether_addr_copy(adap->vfinfo[i].vf_mac_addr, macaddr); - } + if (err) + return; + + na = adap->params.vpd.na; + for (i = 0; i < ETH_ALEN; i++) + hw_addr[i] = (hex2val(na[2 * i + 0]) * 16 + + hex2val(na[2 * i + 1])); + + a = (hw_addr[0] << 8) | hw_addr[1]; + b = (hw_addr[1] << 8) | hw_addr[2]; + a ^= b; + a |= 0x0200; /* locally assigned Ethernet MAC address */ + a &= ~0x0100; /* not a multicast Ethernet MAC address */ + macaddr[0] = a >> 8; + macaddr[1] = a & 0xff; + + for (i = 2; i < 5; i++) + macaddr[i] = hw_addr[i + 1]; + + for (vf = 0, nvfs = pci_sriov_get_totalvfs(adap->pdev); + vf < nvfs; vf++) { + macaddr[5] = adap->pf * 16 + vf; + ether_addr_copy(adap->vfinfo[vf].vf_mac_addr, macaddr); } } -static int cxgb_set_vf_mac(struct net_device *dev, int vf, u8 *mac) +static int cxgb4_mgmt_set_vf_mac(struct net_device *dev, int vf, u8 *mac) { struct port_info *pi = netdev_priv(dev); struct adapter *adap = pi->adapter; @@ -2668,8 +2676,8 @@ static int cxgb_set_vf_mac(struct net_device *dev, int vf, u8 *mac) return ret; } -static int cxgb_get_vf_config(struct net_device *dev, - int vf, struct ifla_vf_info *ivi) +static int cxgb4_mgmt_get_vf_config(struct net_device *dev, + int vf, struct ifla_vf_info *ivi) { struct port_info *pi = netdev_priv(dev); struct adapter *adap = pi->adapter; @@ -2683,8 +2691,8 @@ static int cxgb_get_vf_config(struct net_device *dev, return 0; } -static int cxgb_get_phys_port_id(struct net_device *dev, - struct netdev_phys_item_id *ppid) +static int cxgb4_mgmt_get_phys_port_id(struct net_device *dev, + struct netdev_phys_item_id *ppid) { struct port_info *pi = netdev_priv(dev); unsigned int phy_port_id; @@ -2695,8 +2703,8 @@ static int cxgb_get_phys_port_id(struct net_device *dev, return 0; } -static int cxgb_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, - int max_tx_rate) +static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf, + int min_tx_rate, int max_tx_rate) { struct port_info *pi = netdev_priv(dev); struct adapter *adap = pi->adapter; @@ -2775,7 +2783,30 @@ static int cxgb_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, return 0; } -#endif +static int cxgb4_mgmt_set_vf_vlan(struct net_device *dev, int vf, + u16 vlan, u8 qos, __be16 vlan_proto) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + int ret; + + if (vf >= adap->num_vfs || vlan > 4095 || qos > 7) + return -EINVAL; + + if (vlan_proto != htons(ETH_P_8021Q) || qos != 0) + return -EPROTONOSUPPORT; + + ret = t4_set_vlan_acl(adap, adap->mbox, vf + 1, vlan); + if (!ret) { + adap->vfinfo[vf].vlan = vlan; + return 0; + } + + dev_err(adap->pdev_dev, "Err %d %s VLAN ACL for PF/VF %d/%d\n", + ret, (vlan ? "setting" : "clearing"), adap->pf, vf); + return ret; +} +#endif /* CONFIG_PCI_IOV */ static int cxgb_set_mac_addr(struct net_device *dev, void *p) { @@ -2897,9 +2928,6 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate) static int cxgb_setup_tc_flower(struct net_device *dev, struct tc_cls_flower_offload *cls_flower) { - if (cls_flower->common.chain_index) - return -EOPNOTSUPP; - switch (cls_flower->command) { case TC_CLSFLOWER_REPLACE: return cxgb4_tc_flower_replace(dev, cls_flower); @@ -2915,9 +2943,6 @@ static int cxgb_setup_tc_flower(struct net_device *dev, static int cxgb_setup_tc_cls_u32(struct net_device *dev, struct tc_cls_u32_offload *cls_u32) { - if (cls_u32->common.chain_index) - return -EOPNOTSUPP; - switch (cls_u32->command) { case TC_CLSU32_NEW_KNODE: case TC_CLSU32_REPLACE_KNODE: @@ -2943,7 +2968,7 @@ static int cxgb_setup_tc_block_cb(enum tc_setup_type type, void *type_data, return -EINVAL; } - if (!tc_can_offload(dev)) + if (!tc_cls_can_offload_and_chain0(dev, type_data)) return -EOPNOTSUPP; switch (type) { @@ -2987,6 +3012,174 @@ static int cxgb_setup_tc(struct net_device *dev, enum tc_setup_type type, } } +static void cxgb_del_udp_tunnel(struct net_device *netdev, + struct udp_tunnel_info *ti) +{ + struct port_info *pi = netdev_priv(netdev); + struct adapter *adapter = pi->adapter; + unsigned int chip_ver = CHELSIO_CHIP_VERSION(adapter->params.chip); + u8 match_all_mac[] = { 0, 0, 0, 0, 0, 0 }; + int ret = 0, i; + + if (chip_ver < CHELSIO_T6) + return; + + switch (ti->type) { + case UDP_TUNNEL_TYPE_VXLAN: + if (!adapter->vxlan_port_cnt || + adapter->vxlan_port != ti->port) + return; /* Invalid VxLAN destination port */ + + adapter->vxlan_port_cnt--; + if (adapter->vxlan_port_cnt) + return; + + adapter->vxlan_port = 0; + t4_write_reg(adapter, MPS_RX_VXLAN_TYPE_A, 0); + break; + case UDP_TUNNEL_TYPE_GENEVE: + if (!adapter->geneve_port_cnt || + adapter->geneve_port != ti->port) + return; /* Invalid GENEVE destination port */ + + adapter->geneve_port_cnt--; + if (adapter->geneve_port_cnt) + return; + + adapter->geneve_port = 0; + t4_write_reg(adapter, MPS_RX_GENEVE_TYPE_A, 0); + default: + return; + } + + /* Matchall mac entries can be deleted only after all tunnel ports + * are brought down or removed. + */ + if (!adapter->rawf_cnt) + return; + for_each_port(adapter, i) { + pi = adap2pinfo(adapter, i); + ret = t4_free_raw_mac_filt(adapter, pi->viid, + match_all_mac, match_all_mac, + adapter->rawf_start + + pi->port_id, + 1, pi->port_id, true); + if (ret < 0) { + netdev_info(netdev, "Failed to free mac filter entry, for port %d\n", + i); + return; + } + atomic_dec(&adapter->mps_encap[adapter->rawf_start + + pi->port_id].refcnt); + } +} + +static void cxgb_add_udp_tunnel(struct net_device *netdev, + struct udp_tunnel_info *ti) +{ + struct port_info *pi = netdev_priv(netdev); + struct adapter *adapter = pi->adapter; + unsigned int chip_ver = CHELSIO_CHIP_VERSION(adapter->params.chip); + u8 match_all_mac[] = { 0, 0, 0, 0, 0, 0 }; + int i, ret; + + if (chip_ver < CHELSIO_T6 || !adapter->rawf_cnt) + return; + + switch (ti->type) { + case UDP_TUNNEL_TYPE_VXLAN: + /* Callback for adding vxlan port can be called with the same + * port for both IPv4 and IPv6. We should not disable the + * offloading when the same port for both protocols is added + * and later one of them is removed. + */ + if (adapter->vxlan_port_cnt && + adapter->vxlan_port == ti->port) { + adapter->vxlan_port_cnt++; + return; + } + + /* We will support only one VxLAN port */ + if (adapter->vxlan_port_cnt) { + netdev_info(netdev, "UDP port %d already offloaded, not adding port %d\n", + be16_to_cpu(adapter->vxlan_port), + be16_to_cpu(ti->port)); + return; + } + + adapter->vxlan_port = ti->port; + adapter->vxlan_port_cnt = 1; + + t4_write_reg(adapter, MPS_RX_VXLAN_TYPE_A, + VXLAN_V(be16_to_cpu(ti->port)) | VXLAN_EN_F); + break; + case UDP_TUNNEL_TYPE_GENEVE: + if (adapter->geneve_port_cnt && + adapter->geneve_port == ti->port) { + adapter->geneve_port_cnt++; + return; + } + + /* We will support only one GENEVE port */ + if (adapter->geneve_port_cnt) { + netdev_info(netdev, "UDP port %d already offloaded, not adding port %d\n", + be16_to_cpu(adapter->geneve_port), + be16_to_cpu(ti->port)); + return; + } + + adapter->geneve_port = ti->port; + adapter->geneve_port_cnt = 1; + + t4_write_reg(adapter, MPS_RX_GENEVE_TYPE_A, + GENEVE_V(be16_to_cpu(ti->port)) | GENEVE_EN_F); + default: + return; + } + + /* Create a 'match all' mac filter entry for inner mac, + * if raw mac interface is supported. Once the linux kernel provides + * driver entry points for adding/deleting the inner mac addresses, + * we will remove this 'match all' entry and fallback to adding + * exact match filters. + */ + for_each_port(adapter, i) { + pi = adap2pinfo(adapter, i); + + ret = t4_alloc_raw_mac_filt(adapter, pi->viid, + match_all_mac, + match_all_mac, + adapter->rawf_start + + pi->port_id, + 1, pi->port_id, true); + if (ret < 0) { + netdev_info(netdev, "Failed to allocate a mac filter entry, not adding port %d\n", + be16_to_cpu(ti->port)); + cxgb_del_udp_tunnel(netdev, ti); + return; + } + atomic_inc(&adapter->mps_encap[ret].refcnt); + } +} + +static netdev_features_t cxgb_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t features) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + + if (CHELSIO_CHIP_VERSION(adapter->params.chip) < CHELSIO_T6) + return features; + + /* Check if hw supports offload for this packet */ + if (!skb->encapsulation || cxgb_encap_offload_supported(skb)) + return features; + + /* Offload is not supported for this encapsulated packet */ + return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); +} + static netdev_features_t cxgb_fix_features(struct net_device *dev, netdev_features_t features) { @@ -3018,20 +3211,25 @@ static const struct net_device_ops cxgb4_netdev_ops = { #endif /* CONFIG_CHELSIO_T4_FCOE */ .ndo_set_tx_maxrate = cxgb_set_tx_maxrate, .ndo_setup_tc = cxgb_setup_tc, + .ndo_udp_tunnel_add = cxgb_add_udp_tunnel, + .ndo_udp_tunnel_del = cxgb_del_udp_tunnel, + .ndo_features_check = cxgb_features_check, .ndo_fix_features = cxgb_fix_features, }; #ifdef CONFIG_PCI_IOV static const struct net_device_ops cxgb4_mgmt_netdev_ops = { - .ndo_open = dummy_open, - .ndo_set_vf_mac = cxgb_set_vf_mac, - .ndo_get_vf_config = cxgb_get_vf_config, - .ndo_set_vf_rate = cxgb_set_vf_rate, - .ndo_get_phys_port_id = cxgb_get_phys_port_id, + .ndo_open = cxgb4_mgmt_open, + .ndo_set_vf_mac = cxgb4_mgmt_set_vf_mac, + .ndo_get_vf_config = cxgb4_mgmt_get_vf_config, + .ndo_set_vf_rate = cxgb4_mgmt_set_vf_rate, + .ndo_get_phys_port_id = cxgb4_mgmt_get_phys_port_id, + .ndo_set_vf_vlan = cxgb4_mgmt_set_vf_vlan, }; #endif -static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +static void cxgb4_mgmt_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) { struct adapter *adapter = netdev2adap(dev); @@ -3043,7 +3241,7 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) } static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = { - .get_drvinfo = get_drvinfo, + .get_drvinfo = cxgb4_mgmt_get_drvinfo, }; void t4_fatal_err(struct adapter *adap) @@ -4759,7 +4957,7 @@ static int get_chip_type(struct pci_dev *pdev, u32 pl_rev) } #ifdef CONFIG_PCI_IOV -static void dummy_setup(struct net_device *dev) +static void cxgb4_mgmt_setup(struct net_device *dev) { dev->type = ARPHRD_NONE; dev->mtu = 0; @@ -4775,38 +4973,6 @@ static void dummy_setup(struct net_device *dev) dev->needs_free_netdev = true; } -static int config_mgmt_dev(struct pci_dev *pdev) -{ - struct adapter *adap = pci_get_drvdata(pdev); - struct net_device *netdev; - struct port_info *pi; - char name[IFNAMSIZ]; - int err; - - snprintf(name, IFNAMSIZ, "mgmtpf%d%d", adap->adap_idx, adap->pf); - netdev = alloc_netdev(sizeof(struct port_info), name, NET_NAME_UNKNOWN, - dummy_setup); - if (!netdev) - return -ENOMEM; - - pi = netdev_priv(netdev); - pi->adapter = adap; - pi->tx_chan = adap->pf % adap->params.nports; - SET_NETDEV_DEV(netdev, &pdev->dev); - - adap->port[0] = netdev; - pi->port_id = 0; - - err = register_netdev(adap->port[0]); - if (err) { - pr_info("Unable to register VF mgmt netdev %s\n", name); - free_netdev(adap->port[0]); - adap->port[0] = NULL; - return err; - } - return 0; -} - static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) { struct adapter *adap = pci_get_drvdata(pdev); @@ -4818,7 +4984,7 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) /* Check if cxgb4 is the MASTER and fw is initialized */ if (!(pcie_fw & PCIE_FW_INIT_F) || !(pcie_fw & PCIE_FW_MASTER_VLD_F) || - PCIE_FW_MASTER_G(pcie_fw) != 4) { + PCIE_FW_MASTER_G(pcie_fw) != CXGB4_UNIFIED_PF) { dev_warn(&pdev->dev, "cxgb4 driver needs to be MASTER to support SRIOV\n"); return -EOPNOTSUPP; @@ -4830,46 +4996,132 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) if (current_vfs && pci_vfs_assigned(pdev)) { dev_err(&pdev->dev, "Cannot modify SR-IOV while VFs are assigned\n"); - num_vfs = current_vfs; - return num_vfs; + return current_vfs; } - - /* Disable SRIOV when zero is passed. - * One needs to disable SRIOV before modifying it, else - * stack throws the below warning: - * " 'n' VFs already enabled. Disable before enabling 'm' VFs." + /* Note that the upper-level code ensures that we're never called with + * a non-zero "num_vfs" when we already have VFs instantiated. But + * it never hurts to code defensively. */ + if (num_vfs != 0 && current_vfs != 0) + return -EBUSY; + + /* Nothing to do for no change. */ + if (num_vfs == current_vfs) + return num_vfs; + + /* Disable SRIOV when zero is passed. */ if (!num_vfs) { pci_disable_sriov(pdev); - if (adap->port[0]) { - unregister_netdev(adap->port[0]); - adap->port[0] = NULL; - } + /* free VF Management Interface */ + unregister_netdev(adap->port[0]); + free_netdev(adap->port[0]); + adap->port[0] = NULL; + /* free VF resources */ + adap->num_vfs = 0; kfree(adap->vfinfo); adap->vfinfo = NULL; - adap->num_vfs = 0; - return num_vfs; + return 0; } - if (num_vfs != current_vfs) { - err = pci_enable_sriov(pdev, num_vfs); + if (!current_vfs) { + struct fw_pfvf_cmd port_cmd, port_rpl; + struct net_device *netdev; + unsigned int pmask, port; + struct pci_dev *pbridge; + struct port_info *pi; + char name[IFNAMSIZ]; + u32 devcap2; + u16 flags; + int pos; + + /* If we want to instantiate Virtual Functions, then our + * parent bridge's PCI-E needs to support Alternative Routing + * ID (ARI) because our VFs will show up at function offset 8 + * and above. + */ + pbridge = pdev->bus->self; + pos = pci_find_capability(pbridge, PCI_CAP_ID_EXP); + pci_read_config_word(pbridge, pos + PCI_EXP_FLAGS, &flags); + pci_read_config_dword(pbridge, pos + PCI_EXP_DEVCAP2, &devcap2); + + if ((flags & PCI_EXP_FLAGS_VERS) < 2 || + !(devcap2 & PCI_EXP_DEVCAP2_ARI)) { + /* Our parent bridge does not support ARI so issue a + * warning and skip instantiating the VFs. They + * won't be reachable. + */ + dev_warn(&pdev->dev, "Parent bridge %02x:%02x.%x doesn't support ARI; can't instantiate Virtual Functions\n", + pbridge->bus->number, PCI_SLOT(pbridge->devfn), + PCI_FUNC(pbridge->devfn)); + return -ENOTSUPP; + } + memset(&port_cmd, 0, sizeof(port_cmd)); + port_cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PFVF_CMD) | + FW_CMD_REQUEST_F | + FW_CMD_READ_F | + FW_PFVF_CMD_PFN_V(adap->pf) | + FW_PFVF_CMD_VFN_V(0)); + port_cmd.retval_len16 = cpu_to_be32(FW_LEN16(port_cmd)); + err = t4_wr_mbox(adap, adap->mbox, &port_cmd, sizeof(port_cmd), + &port_rpl); if (err) return err; + pmask = FW_PFVF_CMD_PMASK_G(be32_to_cpu(port_rpl.type_to_neq)); + port = ffs(pmask) - 1; + /* Allocate VF Management Interface. */ + snprintf(name, IFNAMSIZ, "mgmtpf%d,%d", adap->adap_idx, + adap->pf); + netdev = alloc_netdev(sizeof(struct port_info), + name, NET_NAME_UNKNOWN, cxgb4_mgmt_setup); + if (!netdev) + return -ENOMEM; - adap->num_vfs = num_vfs; - err = config_mgmt_dev(pdev); - if (err) + pi = netdev_priv(netdev); + pi->adapter = adap; + pi->lport = port; + pi->tx_chan = port; + SET_NETDEV_DEV(netdev, &pdev->dev); + + adap->port[0] = netdev; + pi->port_id = 0; + + err = register_netdev(adap->port[0]); + if (err) { + pr_info("Unable to register VF mgmt netdev %s\n", name); + free_netdev(adap->port[0]); + adap->port[0] = NULL; return err; + } + /* Allocate and set up VF Information. */ + adap->vfinfo = kcalloc(pci_sriov_get_totalvfs(pdev), + sizeof(struct vf_info), GFP_KERNEL); + if (!adap->vfinfo) { + unregister_netdev(adap->port[0]); + free_netdev(adap->port[0]); + adap->port[0] = NULL; + return -ENOMEM; + } + cxgb4_mgmt_fill_vf_station_mac_addr(adap); + } + /* Instantiate the requested number of VFs. */ + err = pci_enable_sriov(pdev, num_vfs); + if (err) { + pr_info("Unable to instantiate %d VFs\n", num_vfs); + if (!current_vfs) { + unregister_netdev(adap->port[0]); + free_netdev(adap->port[0]); + adap->port[0] = NULL; + kfree(adap->vfinfo); + adap->vfinfo = NULL; + } + return err; } - adap->vfinfo = kcalloc(adap->num_vfs, - sizeof(struct vf_info), GFP_KERNEL); - if (adap->vfinfo) - fill_vf_station_mac_addr(adap); + adap->num_vfs = num_vfs; return num_vfs; } -#endif +#endif /* CONFIG_PCI_IOV */ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -4882,9 +5134,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) u32 whoami, pl_rev; enum chip_type chip; static int adap_idx = 1; -#ifdef CONFIG_PCI_IOV - u32 v, port_vec; -#endif printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); @@ -4908,6 +5157,13 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_disable_device; } + adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); + if (!adapter) { + err = -ENOMEM; + goto out_unmap_bar0; + } + + adapter->regs = regs; err = t4_wait_dev_ready(regs); if (err < 0) goto out_unmap_bar0; @@ -4918,13 +5174,29 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) chip = get_chip_type(pdev, pl_rev); func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ? SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami); + + adapter->pdev = pdev; + adapter->pdev_dev = &pdev->dev; + adapter->name = pci_name(pdev); + adapter->mbox = func; + adapter->pf = func; + adapter->msg_enable = DFLT_MSG_ENABLE; + 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 out_free_adapter; + } + spin_lock_init(&adapter->mbox_lock); + INIT_LIST_HEAD(&adapter->mlist.list); + pci_set_drvdata(pdev, adapter); + 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; + return 0; } if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { @@ -4933,53 +5205,30 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) { dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " "coherent allocations\n"); - goto out_unmap_bar0; + goto out_free_adapter; } } else { err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { dev_err(&pdev->dev, "no usable DMA configuration\n"); - goto out_unmap_bar0; + goto out_free_adapter; } } pci_enable_pcie_error_reporting(pdev); pci_set_master(pdev); pci_save_state(pdev); - - adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); - if (!adapter) { - err = -ENOMEM; - goto out_unmap_bar0; - } adap_idx++; - adapter->workq = create_singlethread_workqueue("cxgb4"); if (!adapter->workq) { err = -ENOMEM; goto out_free_adapter; } - 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 out_free_adapter; - } adapter->mbox_log->size = T4_OS_LOG_MBOX_CMDS; /* PCI device has been enabled */ adapter->flags |= DEV_ENABLED; - - adapter->regs = regs; - adapter->pdev = pdev; - adapter->pdev_dev = &pdev->dev; - adapter->name = pci_name(pdev); - adapter->mbox = func; - adapter->pf = func; - adapter->msg_enable = DFLT_MSG_ENABLE; memset(adapter->chan_map, 0xff, sizeof(adapter->chan_map)); /* If possible, we use PCIe Relaxed Ordering Attribute to deliver @@ -5002,9 +5251,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) spin_lock_init(&adapter->stats_lock); spin_lock_init(&adapter->tid_release_lock); spin_lock_init(&adapter->win0_lock); - spin_lock_init(&adapter->mbox_lock); - - INIT_LIST_HEAD(&adapter->mlist.list); INIT_WORK(&adapter->tid_release_task, process_tid_release_list); INIT_WORK(&adapter->db_full_task, process_db_full); @@ -5080,6 +5326,10 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_TC; + + if (CHELSIO_CHIP_VERSION(chip) > CHELSIO_T5) + netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + if (highdma) netdev->hw_features |= NETIF_F_HIGHDMA; netdev->features |= netdev->hw_features; @@ -5273,58 +5523,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) setup_fw_sge_queues(adapter); return 0; -sriov: -#ifdef CONFIG_PCI_IOV - adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); - if (!adapter) { - err = -ENOMEM; - goto free_pci_region; - } - - adapter->pdev = pdev; - adapter->pdev_dev = &pdev->dev; - adapter->name = pci_name(pdev); - adapter->mbox = func; - adapter->pf = func; - adapter->regs = regs; - adapter->adap_idx = adap_idx; - 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_adapter; - } - spin_lock_init(&adapter->mbox_lock); - INIT_LIST_HEAD(&adapter->mlist.list); - - v = FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | - FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_PORTVEC); - err = t4_query_params(adapter, adapter->mbox, adapter->pf, 0, 1, - &v, &port_vec); - if (err < 0) { - dev_err(adapter->pdev_dev, "Could not fetch port params\n"); - goto free_mbox_log; - } - - adapter->params.nports = hweight32(port_vec); - pci_set_drvdata(pdev, adapter); - return 0; - -free_mbox_log: - kfree(adapter->mbox_log); - 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); if (adapter->flags & USING_MSIX) @@ -5416,14 +5614,7 @@ static void remove_one(struct pci_dev *pdev) } #ifdef CONFIG_PCI_IOV else { - if (adapter->port[0]) - unregister_netdev(adapter->port[0]); - iounmap(adapter->regs); - kfree(adapter->vfinfo); - kfree(adapter->mbox_log); - kfree(adapter); - pci_disable_sriov(pdev); - pci_release_regions(pdev); + cxgb4_iov_configure(adapter->pdev, 0); } #endif } @@ -5467,18 +5658,6 @@ static void shutdown_one(struct pci_dev *pdev) if (adapter->flags & FW_OK) t4_fw_bye(adapter, adapter->mbox); } -#ifdef CONFIG_PCI_IOV - else { - if (adapter->port[0]) - unregister_netdev(adapter->port[0]); - iounmap(adapter->regs); - kfree(adapter->vfinfo); - kfree(adapter->mbox_log); - kfree(adapter); - pci_disable_sriov(pdev); - pci_release_regions(pdev); - } -#endif } static struct pci_driver cxgb4_driver = { |