diff options
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_main.c')
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 173 |
1 files changed, 65 insertions, 108 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index d5a220d5bad1..f32f828b7f3d 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -616,8 +616,71 @@ static struct rtnl_link_stats64 *enic_get_stats(struct net_device *netdev, return net_stats; } +static int enic_mc_sync(struct net_device *netdev, const u8 *mc_addr) +{ + struct enic *enic = netdev_priv(netdev); + + if (enic->mc_count == ENIC_MULTICAST_PERFECT_FILTERS) { + unsigned int mc_count = netdev_mc_count(netdev); + + netdev_warn(netdev, "Registering only %d out of %d multicast addresses\n", + ENIC_MULTICAST_PERFECT_FILTERS, mc_count); + + return -ENOSPC; + } + + enic_dev_add_addr(enic, mc_addr); + enic->mc_count++; + + return 0; +} + +static int enic_mc_unsync(struct net_device *netdev, const u8 *mc_addr) +{ + struct enic *enic = netdev_priv(netdev); + + enic_dev_del_addr(enic, mc_addr); + enic->mc_count--; + + return 0; +} + +static int enic_uc_sync(struct net_device *netdev, const u8 *uc_addr) +{ + struct enic *enic = netdev_priv(netdev); + + if (enic->uc_count == ENIC_UNICAST_PERFECT_FILTERS) { + unsigned int uc_count = netdev_uc_count(netdev); + + netdev_warn(netdev, "Registering only %d out of %d unicast addresses\n", + ENIC_UNICAST_PERFECT_FILTERS, uc_count); + + return -ENOSPC; + } + + enic_dev_add_addr(enic, uc_addr); + enic->uc_count++; + + return 0; +} + +static int enic_uc_unsync(struct net_device *netdev, const u8 *uc_addr) +{ + struct enic *enic = netdev_priv(netdev); + + enic_dev_del_addr(enic, uc_addr); + enic->uc_count--; + + return 0; +} + void enic_reset_addr_lists(struct enic *enic) { + struct net_device *netdev = enic->netdev; + + __dev_uc_unsync(netdev, NULL); + __dev_mc_unsync(netdev, NULL); + enic->mc_count = 0; enic->uc_count = 0; enic->flags = 0; @@ -684,112 +747,6 @@ static int enic_set_mac_address(struct net_device *netdev, void *p) return enic_dev_add_station_addr(enic); } -static void enic_update_multicast_addr_list(struct enic *enic) -{ - struct net_device *netdev = enic->netdev; - struct netdev_hw_addr *ha; - unsigned int mc_count = netdev_mc_count(netdev); - u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; - unsigned int i, j; - - 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; - } - - /* Is there an easier way? Trying to minimize to - * calls to add/del multicast addrs. We keep the - * addrs from the last call in enic->mc_addr and - * look for changes to add/del. - */ - - i = 0; - netdev_for_each_mc_addr(ha, netdev) { - if (i == mc_count) - break; - memcpy(mc_addr[i++], ha->addr, ETH_ALEN); - } - - for (i = 0; i < enic->mc_count; i++) { - for (j = 0; j < mc_count; j++) - if (ether_addr_equal(enic->mc_addr[i], mc_addr[j])) - break; - if (j == mc_count) - enic_dev_del_addr(enic, enic->mc_addr[i]); - } - - for (i = 0; i < mc_count; i++) { - for (j = 0; j < enic->mc_count; j++) - if (ether_addr_equal(mc_addr[i], enic->mc_addr[j])) - break; - if (j == enic->mc_count) - enic_dev_add_addr(enic, mc_addr[i]); - } - - /* Save the list to compare against next time - */ - - for (i = 0; i < mc_count; i++) - memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN); - - enic->mc_count = mc_count; -} - -static void enic_update_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 (ether_addr_equal(enic->uc_addr[i], uc_addr[j])) - 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 (ether_addr_equal(uc_addr[i], enic->uc_addr[j])) - 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) { @@ -812,9 +769,9 @@ static void enic_set_rx_mode(struct net_device *netdev) } if (!promisc) { - enic_update_unicast_addr_list(enic); + __dev_uc_sync(netdev, enic_uc_sync, enic_uc_unsync); if (!allmulti) - enic_update_multicast_addr_list(enic); + __dev_mc_sync(netdev, enic_mc_sync, enic_mc_unsync); } } |