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net/mlx5e: Fix VLAN create flow

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[ Upstream commit d4a16052bccdd695982f89d815ca075825115821 ]

When interface is attached while in promiscuous mode and with VLAN
filtering turned off, both configurations are not respected and VLAN
filtering is performed.
There are 2 flows which add the any-vid rules during interface attach:
VLAN creation table and set rx mode. Each is relaying on the other to
add any-vid rules, eventually non of them does.

Fix this by adding any-vid rules on VLAN creation regardless of
promiscuous mode.

Fixes: 9df30601c8 ("net/mlx5e: Restore vlan filter after seamless reset")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aya Levin 2020-09-13 18:05:40 +03:00 • committed by Greg Kroah-Hartman
commit 9a52da3f61
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
View file

@ -217,6 +217,9 @@ static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
break;
}
if (WARN_ONCE(*rule_p, "VLAN rule already exists type %d", rule_type))
return 0;
*rule_p = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
if (IS_ERR(*rule_p)) {
@ -397,8 +400,7 @@ static void mlx5e_add_vlan_rules(struct mlx5e_priv *priv)
for_each_set_bit(i, priv->fs.vlan.active_svlans, VLAN_N_VID)
mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_STAG_VID, i);
if (priv->fs.vlan.cvlan_filter_disabled &&
!(priv->netdev->flags & IFF_PROMISC))
if (priv->fs.vlan.cvlan_filter_disabled)
mlx5e_add_any_vid_rules(priv);
}