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authorRoi Dayan <roid@nvidia.com>2022-01-04 10:38:02 +0200
committerSaeed Mahameed <saeedm@nvidia.com>2022-02-01 20:59:39 -0800
commita2446bc77a16cefd27de712d28af2396d6287593 (patch)
tree05bb740656ce4290843884ac54a22ddb8aca52a2 /drivers/net
parent350d9a823734b5a7e767cddc3bdde5f0bcbb7ff4 (diff)
net/mlx5e: TC, Reject rules with drop and modify hdr action
This kind of action is not supported by firmware and generates a syndrome. kernel: mlx5_core 0000:08:00.0: mlx5_cmd_check:777:(pid 102063): SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x8708c3) Fixes: d7e75a325cb2 ("net/mlx5e: Add offloading of E-Switch TC pedit (header re-write) actions") Signed-off-by: Roi Dayan <roid@nvidia.com> Reviewed-by: Oz Shlomo <ozsh@nvidia.com> Reviewed-by: Maor Dickman <maord@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 3d908a7e1406..671f76c350db 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3192,6 +3192,12 @@ actions_match_supported(struct mlx5e_priv *priv,
}
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");
+ return false;
+ }
+
+ if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
!modify_header_match_supported(priv, &parse_attr->spec, flow_action,
actions, ct_flow, ct_clear, extack))
return false;