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Subject[PATCH 5.0 028/115] net/mlx5e: Protect against non-uplink representor for encap
Date
From: Dmytro Linkin <dmitrolin@mellanox.com>

[ Upstream commit 5e0060b1491b299b1706414e61ede0b02265680e ]

TC encap offload is supported only for the physical uplink
representor. Fail for non uplink representor.

Fixes: 3e621b19b0bb ("net/mlx5e: Support TC encapsulation offloads with upper devices")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -39,6 +39,10 @@ static int get_route_and_out_devs(struct
return -EOPNOTSUPP;
}

+ if (!(mlx5e_eswitch_rep(*out_dev) &&
+ mlx5e_is_uplink_rep(netdev_priv(*out_dev))))
+ return -EOPNOTSUPP;
+
return 0;
}


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