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Message-ID: <20230821175739.81188-3-saeed@kernel.org> Date: Mon, 21 Aug 2023 10:57:27 -0700 From: Saeed Mahameed <saeed@...nel.org> To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com> Cc: Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>, Adham Faris <afaris@...dia.com> Subject: [net-next V2 02/14] net/mlx5e: aRFS, Warn if aRFS table does not exist for aRFS rule From: Adham Faris <afaris@...dia.com> 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@...dia.com> Reviewed-by: Tariq Toukan <tariqt@...dia.com> Signed-off-by: Saeed Mahameed <saeedm@...dia.com> --- drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c index 67d8b198a014..e8b0acf7d454 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c @@ -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; } -- 2.41.0
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