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net/mlx5: Avoid forwarding to other eswitch uplink

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Do not allow forwarding of encapsulated traffic received from one eswtich's
uplink to another eswtich's uplink.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Cohen
2020-03-12 17:20:32 +02:00
committed by Saeed Mahameed
parent 613f53fe09
commit 87b51810f4
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
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@@ -66,6 +66,9 @@ static int get_route_and_out_devs(struct mlx5e_priv *priv,
mlx5e_is_uplink_rep(netdev_priv(*out_dev))))
return -EOPNOTSUPP;
if (mlx5e_eswitch_uplink_rep(priv->netdev) && *out_dev != priv->netdev)
return -EOPNOTSUPP;
return 0;
}