Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 39/83] net/mlx5: E-Switch, Fix double allocation of acl flow counter | Date | Mon, 11 Oct 2021 15:45:59 +0200 |
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From: Moshe Shemesh <moshe@nvidia.com>
[ Upstream commit a586775f83bd729ad60b56352dbe067f4bb0beee ]
Flow counter is allocated in eswitch legacy acl setting functions without checking if already allocated by previous setting. Add a check to avoid such double allocation.
Fixes: 07bab9502641 ("net/mlx5: E-Switch, Refactor eswitch ingress acl codes") Fixes: ea651a86d468 ("net/mlx5: E-Switch, Refactor eswitch egress acl codes") Signed-off-by: Moshe Shemesh <moshe@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- .../mellanox/mlx5/core/esw/acl/egress_lgcy.c | 12 ++++++++---- .../mellanox/mlx5/core/esw/acl/ingress_lgcy.c | 4 +++- 2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c index 3e19b1721303..b00c7d47833f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c @@ -79,12 +79,16 @@ int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, int dest_num = 0; int err = 0; - if (MLX5_CAP_ESW_EGRESS_ACL(esw->dev, flow_counter)) { + if (vport->egress.legacy.drop_counter) { + drop_counter = vport->egress.legacy.drop_counter; + } else if (MLX5_CAP_ESW_EGRESS_ACL(esw->dev, flow_counter)) { drop_counter = mlx5_fc_create(esw->dev, false); - if (IS_ERR(drop_counter)) + if (IS_ERR(drop_counter)) { esw_warn(esw->dev, "vport[%d] configure egress drop rule counter err(%ld)\n", vport->vport, PTR_ERR(drop_counter)); + drop_counter = NULL; + } vport->egress.legacy.drop_counter = drop_counter; } @@ -123,7 +127,7 @@ int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP; /* Attach egress drop flow counter */ - if (!IS_ERR_OR_NULL(drop_counter)) { + if (drop_counter) { flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; drop_ctr_dst.counter_id = mlx5_fc_id(drop_counter); @@ -162,7 +166,7 @@ void esw_acl_egress_lgcy_cleanup(struct mlx5_eswitch *esw, esw_acl_egress_table_destroy(vport); clean_drop_counter: - if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_counter)) { + if (vport->egress.legacy.drop_counter) { mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter); vport->egress.legacy.drop_counter = NULL; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c index d64fad2823e7..45570d0a58d2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c @@ -160,7 +160,9 @@ int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, esw_acl_ingress_lgcy_rules_destroy(vport); - if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) { + if (vport->ingress.legacy.drop_counter) { + counter = vport->ingress.legacy.drop_counter; + } else if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) { counter = mlx5_fc_create(esw->dev, false); if (IS_ERR(counter)) { esw_warn(esw->dev, -- 2.33.0
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