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net/mlx5e: aRFS, Warn if aRFS table does not exist for aRFS rule

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aRFS tables should be allocated and exist in advance. Driver shouldn't
reach a point where it tries to add aRFS rule to table that does not
exist.

Add warning if driver encounters such situation.

Signed-off-by: Adham Faris <afaris@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Adham Faris 2023-05-08 14:27:48 +03:00 committed by Saeed Mahameed
parent 7a73cf0bf7
commit 7653d80672
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
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@ -519,6 +519,8 @@ static struct mlx5_flow_handle *arfs_add_rule(struct mlx5e_priv *priv,
ntohs(tuple->etype));
arfs_table = arfs_get_table(arfs, tuple->ip_proto, tuple->etype);
if (!arfs_table) {
WARN_ONCE(1, "arfs table does not exist for etype %u and ip_proto %u\n",
tuple->etype, tuple->ip_proto);
err = -EINVAL;
goto out;
}