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net/mlx5: reject inner ethernet matching in GTP

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The user is able to create a flow rule pattern with ETH after GTP
although it is not supported by the flex-parser configuration.

Failed the rule validation in such case with proper error message.

Fixes: 23c1d42c7138 ("net/mlx5: split flow validation to dedicated function")
Cc: stable@dpdk.org

Signed-off-by: Lior Margalit <lmargalit@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Lior Margalit 2021-07-20 18:17:18 +03:00 committed by Thomas Monjalon
parent 3e455a97dc
commit 4e5ba38d56
1 changed files with 4 additions and 0 deletions
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4
drivers/net/mlx5/mlx5_flow.c
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@ -1999,6 +1999,10 @@ mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"L2 layer should not follow VLAN");
if (item_flags & MLX5_FLOW_LAYER_GTP)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"L2 layer should not follow GTP");
if (!mask)
mask = &rte_flow_item_eth_mask;
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,