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net/mlx5e: Restore vlan filter after seamless reset
When detaching the mlx5e interface clear all the vlans rules from the vlan flow table. When attaching it back restore all the active vlans rules to the HW. Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
26e59d8077
commit
9df30601c8
1 changed files with 32 additions and 6 deletions
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@ -294,6 +294,36 @@ int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
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return 0;
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}
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static void mlx5e_add_vlan_rules(struct mlx5e_priv *priv)
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{
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int i;
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mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
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for_each_set_bit(i, priv->fs.vlan.active_vlans, VLAN_N_VID) {
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mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, i);
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}
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if (priv->fs.vlan.filter_disabled &&
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!(priv->netdev->flags & IFF_PROMISC))
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mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0);
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}
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static void mlx5e_del_vlan_rules(struct mlx5e_priv *priv)
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{
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int i;
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mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
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for_each_set_bit(i, priv->fs.vlan.active_vlans, VLAN_N_VID) {
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mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, i);
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}
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if (priv->fs.vlan.filter_disabled &&
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!(priv->netdev->flags & IFF_PROMISC))
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mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0);
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}
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#define mlx5e_for_each_hash_node(hn, tmp, hash, i) \
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for (i = 0; i < MLX5E_L2_ADDR_HASH_SIZE; i++) \
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hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
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@ -1024,14 +1054,10 @@ static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
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if (err)
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goto err_free_g;
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err = mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
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if (err)
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goto err_destroy_vlan_flow_groups;
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mlx5e_add_vlan_rules(priv);
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return 0;
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err_destroy_vlan_flow_groups:
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mlx5e_destroy_groups(ft);
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err_free_g:
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kfree(ft->g);
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err_destroy_vlan_table:
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@ -1043,6 +1069,7 @@ static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
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static void mlx5e_destroy_vlan_table(struct mlx5e_priv *priv)
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{
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mlx5e_del_vlan_rules(priv);
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mlx5e_destroy_flow_table(&priv->fs.vlan.ft);
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}
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@ -1100,7 +1127,6 @@ int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
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void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
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{
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mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
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mlx5e_destroy_vlan_table(priv);
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mlx5e_destroy_l2_table(priv);
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mlx5e_destroy_ttc_table(priv);
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