net/mlx5: skip table zero to improve insertion rate
[dpdk.git] / drivers / net / mlx5 / mlx5_flow_dv.c
index 330a868..c234d13 100644 (file)
@@ -2366,8 +2366,10 @@ flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
  *   Pointer to the jump action.
  * @param[in] action_flags
  *   Holds the actions detected until now.
- * @param[in] group
- *   The group of the current flow.
+ * @param[in] attributes
+ *   Pointer to flow attributes
+ * @param[in] external
+ *   Action belongs to flow rule created by request external to PMD.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -2377,9 +2379,14 @@ flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
 static int
 flow_dv_validate_action_jump(const struct rte_flow_action *action,
                             uint64_t action_flags,
-                            uint32_t group,
-                            struct rte_flow_error *error)
+                            const struct rte_flow_attr *attributes,
+                            bool external, struct rte_flow_error *error)
 {
+       uint32_t max_group = attributes->transfer ? MLX5_MAX_TABLES_FDB :
+                                                   MLX5_MAX_TABLES;
+       uint32_t target_group, table;
+       int ret = 0;
+
        if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
                            MLX5_FLOW_FATE_ESWITCH_ACTIONS))
                return rte_flow_error_set(error, EINVAL,
@@ -2390,10 +2397,20 @@ flow_dv_validate_action_jump(const struct rte_flow_action *action,
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION_CONF,
                                          NULL, "action configuration not set");
-       if (group >= ((const struct rte_flow_action_jump *)action->conf)->group)
+       target_group =
+               ((const struct rte_flow_action_jump *)action->conf)->group;
+       ret = mlx5_flow_group_to_table(attributes, external, target_group,
+                                      &table, error);
+       if (ret)
+               return ret;
+       if (table >= max_group)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
+                                         "target group index out of range");
+       if (attributes->group >= target_group)
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION, NULL,
-                                         "target group must be higher then"
+                                         "target group must be higher than"
                                          " the current flow group");
        return 0;
 }
@@ -3174,6 +3191,8 @@ flow_dv_counter_release(struct rte_eth_dev *dev,
  *   Pointer to dev struct.
  * @param[in] attributes
  *   Pointer to flow attributes
+ * @param[in] external
+ *   This flow rule is created by request external to PMD.
  * @param[out] error
  *   Pointer to error structure.
  *
@@ -3183,6 +3202,7 @@ flow_dv_counter_release(struct rte_eth_dev *dev,
 static int
 flow_dv_validate_attributes(struct rte_eth_dev *dev,
                            const struct rte_flow_attr *attributes,
+                           bool external __rte_unused,
                            struct rte_flow_error *error)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
@@ -3193,7 +3213,22 @@ flow_dv_validate_attributes(struct rte_eth_dev *dev,
                return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
                                          NULL,
-                                         "groups is not supported");
+                                         "groups are not supported");
+#else
+       uint32_t max_group = attributes->transfer ? MLX5_MAX_TABLES_FDB :
+                                                   MLX5_MAX_TABLES;
+       uint32_t table;
+       int ret;
+
+       ret = mlx5_flow_group_to_table(attributes, external,
+                                      attributes->group,
+                                      &table, error);
+       if (ret)
+               return ret;
+       if (table >= max_group)
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
+                                         "group index out of range");
 #endif
        if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
            attributes->priority >= priority_max)
@@ -3217,12 +3252,6 @@ flow_dv_validate_attributes(struct rte_eth_dev *dev,
                                (error, ENOTSUP,
                                 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attributes,
                                 "egress is not supported");
-               if (attributes->group >= MLX5_MAX_TABLES_FDB)
-                       return rte_flow_error_set
-                               (error, EINVAL,
-                                RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
-                                NULL, "group must be smaller than "
-                                RTE_STR(MLX5_MAX_TABLES_FDB));
        }
        if (!(attributes->egress ^ attributes->ingress))
                return rte_flow_error_set(error, ENOTSUP,
@@ -3243,6 +3272,8 @@ flow_dv_validate_attributes(struct rte_eth_dev *dev,
  *   Pointer to the list of items.
  * @param[in] actions
  *   Pointer to the list of actions.
+ * @param[in] external
+ *   This flow rule is created by request external to PMD.
  * @param[out] error
  *   Pointer to the error structure.
  *
@@ -3253,7 +3284,7 @@ static int
 flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                 const struct rte_flow_item items[],
                 const struct rte_flow_action actions[],
-                struct rte_flow_error *error)
+                bool external, struct rte_flow_error *error)
 {
        int ret;
        uint64_t action_flags = 0;
@@ -3272,7 +3303,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
 
        if (items == NULL)
                return -1;
-       ret = flow_dv_validate_attributes(dev, attr, error);
+       ret = flow_dv_validate_attributes(dev, attr, external, error);
        if (ret < 0)
                return ret;
        for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
@@ -3675,7 +3706,8 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
                case RTE_FLOW_ACTION_TYPE_JUMP:
                        ret = flow_dv_validate_action_jump(actions,
                                                           action_flags,
-                                                          attr->group, error);
+                                                          attr, external,
+                                                          error);
                        if (ret)
                                return ret;
                        ++actions_n;
@@ -5142,8 +5174,14 @@ flow_dv_translate(struct rte_eth_dev *dev,
        struct rte_vlan_hdr vlan = { 0 };
        bool vlan_inherited = false;
        uint16_t vlan_tci;
+       uint32_t table;
+       int ret = 0;
 
-       flow->group = attr->group;
+       ret = mlx5_flow_group_to_table(attr, dev_flow->external, attr->group,
+                                      &table, error);
+       if (ret)
+               return ret;
+       flow->group = table;
        if (attr->transfer)
                res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
        if (priority == MLX5_FLOW_PRIO_RSVD)
@@ -5229,7 +5267,7 @@ flow_dv_translate(struct rte_eth_dev *dev,
                        flow->counter = flow_dv_counter_alloc(dev,
                                                              count->shared,
                                                              count->id,
-                                                             attr->group);
+                                                             flow->group);
                        if (flow->counter == NULL)
                                goto cnt_err;
                        dev_flow->dv.actions[actions_n++] =
@@ -5371,7 +5409,12 @@ cnt_err:
                        break;
                case RTE_FLOW_ACTION_TYPE_JUMP:
                        jump_data = action->conf;
-                       tbl = flow_dv_tbl_resource_get(dev, jump_data->group,
+                       ret = mlx5_flow_group_to_table(attr, dev_flow->external,
+                                                      jump_data->group, &table,
+                                                      error);
+                       if (ret)
+                               return ret;
+                       tbl = flow_dv_tbl_resource_get(dev, table,
                                                       attr->egress,
                                                       attr->transfer, error);
                        if (!tbl)
@@ -5522,7 +5565,7 @@ cnt_err:
                        mlx5_flow_tunnel_ip_check(items, next_protocol,
                                                  &item_flags, &tunnel);
                        flow_dv_translate_item_ipv4(match_mask, match_value,
-                                                   items, tunnel, attr->group);
+                                                   items, tunnel, flow->group);
                        matcher.priority = MLX5_PRIORITY_MAP_L3;
                        dev_flow->dv.hash_fields |=
                                mlx5_flow_hashfields_adjust
@@ -5549,7 +5592,7 @@ cnt_err:
                        mlx5_flow_tunnel_ip_check(items, next_protocol,
                                                  &item_flags, &tunnel);
                        flow_dv_translate_item_ipv6(match_mask, match_value,
-                                                   items, tunnel, attr->group);
+                                                   items, tunnel, flow->group);
                        matcher.priority = MLX5_PRIORITY_MAP_L3;
                        dev_flow->dv.hash_fields |=
                                mlx5_flow_hashfields_adjust
@@ -5668,7 +5711,7 @@ cnt_err:
        matcher.priority = mlx5_flow_adjust_priority(dev, priority,
                                                     matcher.priority);
        matcher.egress = attr->egress;
-       matcher.group = attr->group;
+       matcher.group = flow->group;
        matcher.transfer = attr->transfer;
        if (flow_dv_matcher_register(dev, &matcher, dev_flow, error))
                return -rte_errno;