[PATCH 5.15 25/73] net/mlx5e: Delete forward rule for ct or sample action

From: Greg Kroah-Hartman
Date: Mon Jan 03 2022 - 09:33:38 EST


From: Chris Mi <cmi@xxxxxxxxxx>

[ Upstream commit 2820110d945923ab2f4901753e4ccbb2a506fa8e ]

When there is ct or sample action, the ct or sample rule will be deleted
and return. But if there is an extra mirror action, the forward rule can't
be deleted because of the return.

Fix it by removing the return.

Fixes: 69e2916ebce4 ("net/mlx5: CT: Add support for mirroring")
Fixes: f94d6389f6a8 ("net/mlx5e: TC, Add support to offload sample action")
Signed-off-by: Chris Mi <cmi@xxxxxxxxxx>
Reviewed-by: Roi Dayan <roid@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index e7736421d1bc2..fa461bc57baee 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1179,21 +1179,16 @@ void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw,
if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH)
goto offload_rule_0;

- if (flow_flag_test(flow, CT)) {
- mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr);
- return;
- }
-
- if (flow_flag_test(flow, SAMPLE)) {
- mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr);
- return;
- }
-
if (attr->esw_attr->split_count)
mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr);

+ if (flow_flag_test(flow, CT))
+ mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr);
+ else if (flow_flag_test(flow, SAMPLE))
+ mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr);
+ else
offload_rule_0:
- mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr);
+ mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr);
}

struct mlx5_flow_handle *
--
2.34.1