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

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[ Upstream commit 5623ef8a11 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Roi Dayan
2022-01-17 15:00:30 +02:00
committed by Greg Kroah-Hartman
parent 6d1ac7f882
commit 301ebfa578
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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@@ -3333,6 +3333,12 @@ 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");