diff options
Diffstat (limited to 'drivers/net/enic/enic_main.c')
-rw-r--r-- | drivers/net/enic/enic_main.c | 247 |
1 files changed, 194 insertions, 53 deletions
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c index aa28b270c045..a0af48c51fb3 100644 --- a/drivers/net/enic/enic_main.c +++ b/drivers/net/enic/enic_main.c @@ -702,7 +702,7 @@ static inline void enic_queue_wq_skb_csum_l4(struct enic *enic, { unsigned int head_len = skb_headlen(skb); unsigned int len_left = skb->len - head_len; - unsigned int hdr_len = skb_transport_offset(skb); + unsigned int hdr_len = skb_checksum_start_offset(skb); unsigned int csum_offset = hdr_len + skb->csum_offset; int eop = (len_left == 0); @@ -1002,7 +1002,7 @@ static int enic_dev_packet_filter(struct enic *enic, int directed, return err; } -static int enic_dev_add_multicast_addr(struct enic *enic, u8 *addr) +static int enic_dev_add_addr(struct enic *enic, u8 *addr) { int err; @@ -1013,7 +1013,7 @@ static int enic_dev_add_multicast_addr(struct enic *enic, u8 *addr) return err; } -static int enic_dev_del_multicast_addr(struct enic *enic, u8 *addr) +static int enic_dev_del_addr(struct enic *enic, u8 *addr) { int err; @@ -1024,29 +1024,19 @@ static int enic_dev_del_multicast_addr(struct enic *enic, u8 *addr) return err; } -/* netif_tx_lock held, BHs disabled */ -static void enic_set_multicast_list(struct net_device *netdev) +static void enic_add_multicast_addr_list(struct enic *enic) { - struct enic *enic = netdev_priv(netdev); + struct net_device *netdev = enic->netdev; struct netdev_hw_addr *ha; - int directed = 1; - int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0; - int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0; - int promisc = (netdev->flags & IFF_PROMISC) ? 1 : 0; unsigned int mc_count = netdev_mc_count(netdev); - int allmulti = (netdev->flags & IFF_ALLMULTI) || - mc_count > ENIC_MULTICAST_PERFECT_FILTERS; - unsigned int flags = netdev->flags | (allmulti ? IFF_ALLMULTI : 0); u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; unsigned int i, j; - if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS) + if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS) { + netdev_warn(netdev, "Registering only %d out of %d " + "multicast addresses\n", + ENIC_MULTICAST_PERFECT_FILTERS, mc_count); mc_count = ENIC_MULTICAST_PERFECT_FILTERS; - - if (enic->flags != flags) { - enic->flags = flags; - enic_dev_packet_filter(enic, directed, - multicast, broadcast, promisc, allmulti); } /* Is there an easier way? Trying to minimize to @@ -1068,7 +1058,7 @@ static void enic_set_multicast_list(struct net_device *netdev) mc_addr[j]) == 0) break; if (j == mc_count) - enic_dev_del_multicast_addr(enic, enic->mc_addr[i]); + enic_dev_del_addr(enic, enic->mc_addr[i]); } for (i = 0; i < mc_count; i++) { @@ -1077,7 +1067,7 @@ static void enic_set_multicast_list(struct net_device *netdev) enic->mc_addr[j]) == 0) break; if (j == enic->mc_count) - enic_dev_add_multicast_addr(enic, mc_addr[i]); + enic_dev_add_addr(enic, mc_addr[i]); } /* Save the list to compare against next time @@ -1089,6 +1079,89 @@ static void enic_set_multicast_list(struct net_device *netdev) enic->mc_count = mc_count; } +static void enic_add_unicast_addr_list(struct enic *enic) +{ + struct net_device *netdev = enic->netdev; + struct netdev_hw_addr *ha; + unsigned int uc_count = netdev_uc_count(netdev); + u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN]; + unsigned int i, j; + + if (uc_count > ENIC_UNICAST_PERFECT_FILTERS) { + netdev_warn(netdev, "Registering only %d out of %d " + "unicast addresses\n", + ENIC_UNICAST_PERFECT_FILTERS, uc_count); + uc_count = ENIC_UNICAST_PERFECT_FILTERS; + } + + /* Is there an easier way? Trying to minimize to + * calls to add/del unicast addrs. We keep the + * addrs from the last call in enic->uc_addr and + * look for changes to add/del. + */ + + i = 0; + netdev_for_each_uc_addr(ha, netdev) { + if (i == uc_count) + break; + memcpy(uc_addr[i++], ha->addr, ETH_ALEN); + } + + for (i = 0; i < enic->uc_count; i++) { + for (j = 0; j < uc_count; j++) + if (compare_ether_addr(enic->uc_addr[i], + uc_addr[j]) == 0) + break; + if (j == uc_count) + enic_dev_del_addr(enic, enic->uc_addr[i]); + } + + for (i = 0; i < uc_count; i++) { + for (j = 0; j < enic->uc_count; j++) + if (compare_ether_addr(uc_addr[i], + enic->uc_addr[j]) == 0) + break; + if (j == enic->uc_count) + enic_dev_add_addr(enic, uc_addr[i]); + } + + /* Save the list to compare against next time + */ + + for (i = 0; i < uc_count; i++) + memcpy(enic->uc_addr[i], uc_addr[i], ETH_ALEN); + + enic->uc_count = uc_count; +} + +/* netif_tx_lock held, BHs disabled */ +static void enic_set_rx_mode(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + int directed = 1; + int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0; + int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0; + int promisc = (netdev->flags & IFF_PROMISC) || + netdev_uc_count(netdev) > ENIC_UNICAST_PERFECT_FILTERS; + int allmulti = (netdev->flags & IFF_ALLMULTI) || + netdev_mc_count(netdev) > ENIC_MULTICAST_PERFECT_FILTERS; + unsigned int flags = netdev->flags | + (allmulti ? IFF_ALLMULTI : 0) | + (promisc ? IFF_PROMISC : 0); + + if (enic->flags != flags) { + enic->flags = flags; + enic_dev_packet_filter(enic, directed, + multicast, broadcast, promisc, allmulti); + } + + if (!promisc) { + enic_add_unicast_addr_list(enic); + if (!allmulti) + enic_add_multicast_addr_list(enic); + } +} + /* rtnl lock is held */ static void enic_vlan_rx_register(struct net_device *netdev, struct vlan_group *vlan_group) @@ -1158,11 +1231,31 @@ static int enic_dev_init_done(struct enic *enic, int *done, int *error) return err; } +static int enic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) +{ + struct enic *enic = netdev_priv(netdev); + + if (vf != PORT_SELF_VF) + return -EOPNOTSUPP; + + /* Ignore the vf argument for now. We can assume the request + * is coming on a vf. + */ + if (is_valid_ether_addr(mac)) { + memcpy(enic->pp.vf_mac, mac, ETH_ALEN); + return 0; + } else + return -EINVAL; +} + static int enic_set_port_profile(struct enic *enic, u8 *mac) { struct vic_provinfo *vp; u8 oui[3] = VIC_PROVINFO_CISCO_OUI; + u16 os_type = VIC_GENERIC_PROV_OS_TYPE_LINUX; char uuid_str[38]; + char client_mac_str[18]; + u8 *client_mac; int err; err = enic_vnic_dev_deinit(enic); @@ -1180,46 +1273,63 @@ static int enic_set_port_profile(struct enic *enic, u8 *mac) return -EADDRNOTAVAIL; vp = vic_provinfo_alloc(GFP_KERNEL, oui, - VIC_PROVINFO_LINUX_TYPE); + VIC_PROVINFO_GENERIC_TYPE); if (!vp) return -ENOMEM; vic_provinfo_add_tlv(vp, - VIC_LINUX_PROV_TLV_PORT_PROFILE_NAME_STR, + VIC_GENERIC_PROV_TLV_PORT_PROFILE_NAME_STR, strlen(enic->pp.name) + 1, enic->pp.name); + if (!is_zero_ether_addr(enic->pp.mac_addr)) + client_mac = enic->pp.mac_addr; + else + client_mac = mac; + + vic_provinfo_add_tlv(vp, + VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR, + ETH_ALEN, client_mac); + + sprintf(client_mac_str, "%pM", client_mac); vic_provinfo_add_tlv(vp, - VIC_LINUX_PROV_TLV_CLIENT_MAC_ADDR, - ETH_ALEN, mac); + VIC_GENERIC_PROV_TLV_CLUSTER_PORT_UUID_STR, + sizeof(client_mac_str), client_mac_str); if (enic->pp.set & ENIC_SET_INSTANCE) { sprintf(uuid_str, "%pUB", enic->pp.instance_uuid); vic_provinfo_add_tlv(vp, - VIC_LINUX_PROV_TLV_CLIENT_UUID_STR, + VIC_GENERIC_PROV_TLV_CLIENT_UUID_STR, sizeof(uuid_str), uuid_str); } if (enic->pp.set & ENIC_SET_HOST) { sprintf(uuid_str, "%pUB", enic->pp.host_uuid); vic_provinfo_add_tlv(vp, - VIC_LINUX_PROV_TLV_HOST_UUID_STR, + VIC_GENERIC_PROV_TLV_HOST_UUID_STR, sizeof(uuid_str), uuid_str); } + os_type = htons(os_type); + vic_provinfo_add_tlv(vp, + VIC_GENERIC_PROV_TLV_OS_TYPE, + sizeof(os_type), &os_type); + err = enic_dev_init_prov(enic, vp); vic_provinfo_free(vp); if (err) return err; + + enic->pp.set |= ENIC_SET_APPLIED; break; case PORT_REQUEST_DISASSOCIATE: + enic->pp.set &= ~ENIC_SET_APPLIED; break; default: return -EINVAL; } - enic->pp.set |= ENIC_SET_APPLIED; return 0; } @@ -1227,29 +1337,31 @@ static int enic_set_vf_port(struct net_device *netdev, int vf, struct nlattr *port[]) { struct enic *enic = netdev_priv(netdev); + struct enic_port_profile new_pp; + int err = 0; - memset(&enic->pp, 0, sizeof(enic->pp)); + memset(&new_pp, 0, sizeof(new_pp)); if (port[IFLA_PORT_REQUEST]) { - enic->pp.set |= ENIC_SET_REQUEST; - enic->pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]); + new_pp.set |= ENIC_SET_REQUEST; + new_pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]); } if (port[IFLA_PORT_PROFILE]) { - enic->pp.set |= ENIC_SET_NAME; - memcpy(enic->pp.name, nla_data(port[IFLA_PORT_PROFILE]), + new_pp.set |= ENIC_SET_NAME; + memcpy(new_pp.name, nla_data(port[IFLA_PORT_PROFILE]), PORT_PROFILE_MAX); } if (port[IFLA_PORT_INSTANCE_UUID]) { - enic->pp.set |= ENIC_SET_INSTANCE; - memcpy(enic->pp.instance_uuid, + new_pp.set |= ENIC_SET_INSTANCE; + memcpy(new_pp.instance_uuid, nla_data(port[IFLA_PORT_INSTANCE_UUID]), PORT_UUID_MAX); } if (port[IFLA_PORT_HOST_UUID]) { - enic->pp.set |= ENIC_SET_HOST; - memcpy(enic->pp.host_uuid, + new_pp.set |= ENIC_SET_HOST; + memcpy(new_pp.host_uuid, nla_data(port[IFLA_PORT_HOST_UUID]), PORT_UUID_MAX); } @@ -1257,21 +1369,39 @@ static int enic_set_vf_port(struct net_device *netdev, int vf, if (vf != PORT_SELF_VF) return -EOPNOTSUPP; - if (!(enic->pp.set & ENIC_SET_REQUEST)) + if (!(new_pp.set & ENIC_SET_REQUEST)) return -EOPNOTSUPP; - if (enic->pp.request == PORT_REQUEST_ASSOCIATE) { - - /* If the interface mac addr hasn't been assigned, - * assign a random mac addr before setting port- - * profile. - */ + if (new_pp.request == PORT_REQUEST_ASSOCIATE) { + /* Special case handling */ + if (!is_zero_ether_addr(enic->pp.vf_mac)) + memcpy(new_pp.mac_addr, enic->pp.vf_mac, ETH_ALEN); if (is_zero_ether_addr(netdev->dev_addr)) random_ether_addr(netdev->dev_addr); + } else if (new_pp.request == PORT_REQUEST_DISASSOCIATE) { + if (!is_zero_ether_addr(enic->pp.mac_addr)) + enic_dev_del_addr(enic, enic->pp.mac_addr); } - return enic_set_port_profile(enic, netdev->dev_addr); + memcpy(&enic->pp, &new_pp, sizeof(struct enic_port_profile)); + + err = enic_set_port_profile(enic, netdev->dev_addr); + if (err) + goto set_port_profile_cleanup; + + if (!is_zero_ether_addr(enic->pp.mac_addr)) + enic_dev_add_addr(enic, enic->pp.mac_addr); + +set_port_profile_cleanup: + memset(enic->pp.vf_mac, 0, ETH_ALEN); + + if (err || enic->pp.request == PORT_REQUEST_DISASSOCIATE) { + memset(netdev->dev_addr, 0, ETH_ALEN); + memset(enic->pp.mac_addr, 0, ETH_ALEN); + } + + return err; } static int enic_get_vf_port(struct net_device *netdev, int vf, @@ -1851,8 +1981,11 @@ static int enic_open(struct net_device *netdev) for (i = 0; i < enic->rq_count; i++) vnic_rq_enable(&enic->rq[i]); - enic_dev_add_station_addr(enic); - enic_set_multicast_list(netdev); + if (enic_is_dynamic(enic) && !is_zero_ether_addr(enic->pp.mac_addr)) + enic_dev_add_addr(enic, enic->pp.mac_addr); + else + enic_dev_add_station_addr(enic); + enic_set_rx_mode(netdev); netif_wake_queue(netdev); @@ -1899,7 +2032,10 @@ static int enic_stop(struct net_device *netdev) netif_carrier_off(netdev); netif_tx_disable(netdev); - enic_dev_del_station_addr(enic); + if (enic_is_dynamic(enic) && !is_zero_ether_addr(enic->pp.mac_addr)) + enic_dev_del_addr(enic, enic->pp.mac_addr); + else + enic_dev_del_station_addr(enic); for (i = 0; i < enic->wq_count; i++) { err = vnic_wq_disable(&enic->wq[i]); @@ -2043,7 +2179,7 @@ static int enic_dev_hang_reset(struct enic *enic) static int enic_set_rsskey(struct enic *enic) { - u64 rss_key_buf_pa; + dma_addr_t rss_key_buf_pa; union vnic_rss_key *rss_key_buf_va = NULL; union vnic_rss_key rss_key = { .key[0].b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}, @@ -2074,7 +2210,7 @@ static int enic_set_rsskey(struct enic *enic) static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits) { - u64 rss_cpu_buf_pa; + dma_addr_t rss_cpu_buf_pa; union vnic_rss_cpu *rss_cpu_buf_va = NULL; unsigned int i; int err; @@ -2329,7 +2465,8 @@ static const struct net_device_ops enic_netdev_dynamic_ops = { .ndo_start_xmit = enic_hard_start_xmit, .ndo_get_stats = enic_get_stats, .ndo_validate_addr = eth_validate_addr, - .ndo_set_multicast_list = enic_set_multicast_list, + .ndo_set_rx_mode = enic_set_rx_mode, + .ndo_set_multicast_list = enic_set_rx_mode, .ndo_set_mac_address = enic_set_mac_address_dynamic, .ndo_change_mtu = enic_change_mtu, .ndo_vlan_rx_register = enic_vlan_rx_register, @@ -2338,6 +2475,9 @@ static const struct net_device_ops enic_netdev_dynamic_ops = { .ndo_tx_timeout = enic_tx_timeout, .ndo_set_vf_port = enic_set_vf_port, .ndo_get_vf_port = enic_get_vf_port, +#ifdef IFLA_VF_MAX + .ndo_set_vf_mac = enic_set_vf_mac, +#endif #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = enic_poll_controller, #endif @@ -2350,7 +2490,8 @@ static const struct net_device_ops enic_netdev_ops = { .ndo_get_stats = enic_get_stats, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = enic_set_mac_address, - .ndo_set_multicast_list = enic_set_multicast_list, + .ndo_set_rx_mode = enic_set_rx_mode, + .ndo_set_multicast_list = enic_set_rx_mode, .ndo_change_mtu = enic_change_mtu, .ndo_vlan_rx_register = enic_vlan_rx_register, .ndo_vlan_rx_add_vid = enic_vlan_rx_add_vid, @@ -2694,7 +2835,7 @@ static void __devexit enic_remove(struct pci_dev *pdev) if (netdev) { struct enic *enic = netdev_priv(netdev); - flush_scheduled_work(); + cancel_work_sync(&enic->reset); unregister_netdev(netdev); enic_dev_deinit(enic); vnic_dev_close(enic->vdev); |