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net/mlx5e: TC, Reject rules with forward and drop actions 

Such rules are redundant but allowed and passed to the driver.
The driver does not support offloading such rules so return an error.

Fixes: 03a9d11e6e ("net/mlx5e: Add TC drop and mirred/redirect action parsing for SRIOV offloads")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Roi Dayan 2022-01-17 15:00:30 +02:00 committed by Saeed Mahameed
parent 3c5193a87b
commit 5623ef8a11
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
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@ -3191,6 +3191,12 @@ actions_match_supported(struct mlx5e_priv *priv,
return false;
}
if (!(~actions &
(MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) {
NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action");
return false;
}
if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
actions & MLX5_FLOW_CONTEXT_ACTION_DROP) {
NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported");