net/mlx5: Fix condition for termination table cleanup
authorEli Cohen <eli@mellanox.com>
Sun, 29 Mar 2020 04:10:43 +0000 (07:10 +0300)
committerSaeed Mahameed <saeedm@mellanox.com>
Wed, 8 Apr 2020 22:46:38 +0000 (15:46 -0700)
When we destroy rules from slow path we need to avoid destroying
termination tables since termination tables are never created in slow
path. By doing so we avoid destroying the termination table created for the
slow path.

Fixes: d8a2034f152a ("net/mlx5: Don't use termination tables in slow path")
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

index 39f42f9..c1848b5 100644 (file)
@@ -403,7 +403,6 @@ enum {
        MLX5_ESW_ATTR_FLAG_VLAN_HANDLED  = BIT(0),
        MLX5_ESW_ATTR_FLAG_SLOW_PATH     = BIT(1),
        MLX5_ESW_ATTR_FLAG_NO_IN_PORT    = BIT(2),
-       MLX5_ESW_ATTR_FLAG_HAIRPIN       = BIT(3),
 };
 
 struct mlx5_esw_flow_attr {
index f171eb2..b2e38e0 100644 (file)
@@ -300,7 +300,6 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
        bool split = !!(attr->split_count);
        struct mlx5_flow_handle *rule;
        struct mlx5_flow_table *fdb;
-       bool hairpin = false;
        int j, i = 0;
 
        if (esw->mode != MLX5_ESWITCH_OFFLOADS)
@@ -398,21 +397,16 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
                goto err_esw_get;
        }
 
-       if (mlx5_eswitch_termtbl_required(esw, attr, &flow_act, spec)) {
+       if (mlx5_eswitch_termtbl_required(esw, attr, &flow_act, spec))
                rule = mlx5_eswitch_add_termtbl_rule(esw, fdb, spec, attr,
                                                     &flow_act, dest, i);
-               hairpin = true;
-       } else {
+       else
                rule = mlx5_add_flow_rules(fdb, spec, &flow_act, dest, i);
-       }
        if (IS_ERR(rule))
                goto err_add_rule;
        else
                atomic64_inc(&esw->offloads.num_flows);
 
-       if (hairpin)
-               attr->flags |= MLX5_ESW_ATTR_FLAG_HAIRPIN;
-
        return rule;
 
 err_add_rule:
@@ -501,7 +495,7 @@ __mlx5_eswitch_del_rule(struct mlx5_eswitch *esw,
 
        mlx5_del_flow_rules(rule);
 
-       if (attr->flags & MLX5_ESW_ATTR_FLAG_HAIRPIN) {
+       if (!(attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH)) {
                /* unref the term table */
                for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) {
                        if (attr->dests[i].termtbl)