diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 2c19dabccb9a..4671fa556c5d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1931,6 +1931,78 @@ static int mlx4_en_set_features(struct net_device *netdev, } +static int mlx4_en_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, u16 flags) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_dev *mdev = priv->mdev->dev; + int err; + + if (!mlx4_is_mfunc(mdev)) + return -EOPNOTSUPP; + + /* Hardware does not support aging addresses, allow only + * permanent addresses if ndm_state is given + */ + if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { + en_info(priv, "Add FDB only supports static addresses\n"); + return -EINVAL; + } + + if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) + err = dev_uc_add_excl(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_add_excl(dev, addr); + else + err = -EINVAL; + + /* Only return duplicate errors if NLM_F_EXCL is set */ + if (err == -EEXIST && !(flags & NLM_F_EXCL)) + err = 0; + + return err; +} + +static int mlx4_en_fdb_del(struct ndmsg *ndm, + struct net_device *dev, + const unsigned char *addr) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_dev *mdev = priv->mdev->dev; + int err; + + if (!mlx4_is_mfunc(mdev)) + return -EOPNOTSUPP; + + if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { + en_info(priv, "Del FDB only supports static addresses\n"); + return -EINVAL; + } + + if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) + err = dev_uc_del(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_del(dev, addr); + else + err = -EINVAL; + + return err; +} + +static int mlx4_en_fdb_dump(struct sk_buff *skb, + struct netlink_callback *cb, + struct net_device *dev, int idx) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_dev *mdev = priv->mdev->dev; + + if (mlx4_is_mfunc(mdev)) + idx = ndo_dflt_fdb_dump(skb, cb, dev, idx); + + return idx; +} + static const struct net_device_ops mlx4_netdev_ops = { .ndo_open = mlx4_en_open, .ndo_stop = mlx4_en_close, @@ -1952,6 +2024,9 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif + .ndo_fdb_add = mlx4_en_fdb_add, + .ndo_fdb_del = mlx4_en_fdb_del, + .ndo_fdb_dump = mlx4_en_fdb_dump, }; int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, |
