| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.0 028/115] net/mlx5e: Protect against non-uplink representor for encap | Date | Wed, 24 Apr 2019 19:09:24 +0200 |
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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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