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net/mlx5: fix tunnel rules validation on VF representor

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MLX5 PMD implicitly adds vxlan_decap flow action to tunnel offload
match type rules. However, VXLAN decap action on VF representors is
not supported on MLX5 PMD hardware.

The patch rejects attempt to create tunnel offload flow rules on VF
representor.

Refer commit 9c4971e5231d ("net/mlx5: update VLAN and encap actions validation")

Fixes: 4ec6360de37d ("net/mlx5: implement tunnel offload")
Cc: stable@dpdk.org

Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
This commit is contained in:
Gregory Etelson 2020-12-11 16:46:14 +02:00 committed by Ferruh Yigit
parent 61abc5f611
commit 187f942b2d
1 changed files with 5 additions and 0 deletions
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5
drivers/net/mlx5/mlx5_flow_dv.c
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@ -5280,6 +5280,11 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
} else {
tunnel = NULL;
}
if (tunnel && priv->representor)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"decap not supported "
"for VF representor");
grp_info.std_tbl_fix = tunnel_use_standard_attr_group_translate
(dev, tunnel, attr, items, actions);
ret = flow_dv_validate_attributes(dev, tunnel, attr, &grp_info, error);