ethdev: add pre-defined meter policy API
[dpdk.git] / drivers / net / mlx5 / mlx5_flow.c
index bc27b45..05d86b5 100644 (file)
@@ -748,9 +748,9 @@ mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
                        return REG_C_0;
                }
                break;
-       case MLX5_MTR_SFX:
+       case MLX5_MTR_ID:
                /*
-                * If meter color and flow match share one register, flow match
+                * If meter color and meter id share one register, flow match
                 * should use the meter color register for match.
                 */
                if (priv->mtr_reg_share)
@@ -3035,7 +3035,8 @@ flow_mreg_split_qrss_release(struct rte_eth_dev *dev,
 
        SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
                       handle_idx, dev_handle, next)
-               if (dev_handle->split_flow_id)
+               if (dev_handle->split_flow_id &&
+                   !dev_handle->is_meter_flow_id)
                        mlx5_ipool_free(priv->sh->ipool
                                        [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
                                        dev_handle->split_flow_id);
@@ -3674,23 +3675,30 @@ flow_parse_metadata_split_actions_info(const struct rte_flow_action actions[],
  *
  * @param[in] actions
  *   Pointer to the list of actions.
- * @param[out] mtr
+ * @param[out] has_mtr
  *   Pointer to the meter exist flag.
+ * @param[out] meter_id
+ *   Pointer to the meter id.
  *
  * @return
  *   Total number of actions.
  */
 static int
-flow_check_meter_action(const struct rte_flow_action actions[], uint32_t *mtr)
+flow_check_meter_action(const struct rte_flow_action actions[],
+                       bool *has_mtr,
+                       uint32_t *meter_id)
 {
+       const struct rte_flow_action_meter *mtr = NULL;
        int actions_n = 0;
 
-       MLX5_ASSERT(mtr);
-       *mtr = 0;
+       MLX5_ASSERT(has_mtr);
+       *has_mtr = false;
        for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
                switch (actions->type) {
                case RTE_FLOW_ACTION_TYPE_METER:
-                       *mtr = 1;
+                       mtr = actions->conf;
+                       *meter_id = mtr->mtr_id;
+                       *has_mtr = true;
                        break;
                default:
                        break;
@@ -4250,9 +4258,11 @@ flow_hairpin_split(struct rte_eth_dev *dev,
        rte_memcpy(actions_rx, actions, sizeof(struct rte_flow_action));
        actions_rx++;
        set_tag = (void *)actions_rx;
-       set_tag->id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, NULL);
+       *set_tag = (struct mlx5_rte_flow_action_set_tag) {
+               .id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, NULL),
+               .data = flow_id,
+       };
        MLX5_ASSERT(set_tag->id > REG_NON);
-       set_tag->data = flow_id;
        tag_action->conf = set_tag;
        /* Create Tx item list. */
        rte_memcpy(actions_tx, actions, sizeof(struct rte_flow_action));
@@ -4332,6 +4342,9 @@ flow_create_split_inner(struct rte_eth_dev *dev,
                dev_flow->handle->mark = 1;
        if (sub_flow)
                *sub_flow = dev_flow;
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+       dev_flow->dv.table_id = flow_split_info->table_id;
+#endif
        return flow_drv_translate(dev, dev_flow, attr, items, actions, error);
 }
 
@@ -4347,8 +4360,14 @@ flow_create_split_inner(struct rte_eth_dev *dev,
  * header will be in the prefix sub flow, as not to take the
  * L3 tunnel header into account.
  *
- * @param dev
+ * @param[in] dev
  *   Pointer to Ethernet device.
+ * @param[in] flow
+ *   Parent flow structure pointer.
+ * @param[in] fm
+ *   Pointer to flow meter structure.
+ * @param[in] attr
+ *   Flow rule attributes.
  * @param[in] items
  *   Pattern specification (list terminated by the END pattern item).
  * @param[out] sfx_items
@@ -4359,60 +4378,81 @@ flow_create_split_inner(struct rte_eth_dev *dev,
  *   Suffix flow actions.
  * @param[out] actions_pre
  *   Prefix flow actions.
- * @param[out] pattern_sfx
- *   The pattern items for the suffix flow.
- * @param[out] tag_sfx
- *   Pointer to suffix flow tag.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL.
  *
  * @return
- *   0 on success.
+ *   The flow id, 0 otherwise and rte_errno is set.
  */
-static int
+static uint32_t
 flow_meter_split_prep(struct rte_eth_dev *dev,
-                const struct rte_flow_item items[],
-                struct rte_flow_item sfx_items[],
-                const struct rte_flow_action actions[],
-                struct rte_flow_action actions_sfx[],
-                struct rte_flow_action actions_pre[])
+                     struct rte_flow *flow,
+                     struct mlx5_flow_meter_info *fm,
+                     const struct rte_flow_attr *attr,
+                     const struct rte_flow_item items[],
+                     struct rte_flow_item sfx_items[],
+                     const struct rte_flow_action actions[],
+                     struct rte_flow_action actions_sfx[],
+                     struct rte_flow_action actions_pre[],
+                     struct rte_flow_error *error)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
        struct rte_flow_action *tag_action = NULL;
        struct rte_flow_item *tag_item;
        struct mlx5_rte_flow_action_set_tag *set_tag;
-       struct rte_flow_error error;
        const struct rte_flow_action_raw_encap *raw_encap;
        const struct rte_flow_action_raw_decap *raw_decap;
-       struct mlx5_rte_flow_item_tag *tag_spec;
-       struct mlx5_rte_flow_item_tag *tag_mask;
+       struct mlx5_rte_flow_item_tag *tag_item_spec;
+       struct mlx5_rte_flow_item_tag *tag_item_mask;
        uint32_t tag_id = 0;
        bool copy_vlan = false;
-
+       struct rte_flow_action *hw_mtr_action;
+       struct rte_flow_action_jump *jump_data;
+       struct rte_flow_action *action_pre_head = NULL;
+       bool mtr_first = priv->sh->meter_aso_en &&
+                       (attr->egress ||
+                       (attr->transfer && priv->representor_id != UINT16_MAX));
+       uint8_t mtr_id_offset = priv->mtr_reg_share ? MLX5_MTR_COLOR_BITS : 0;
+       uint8_t mtr_reg_bits = priv->mtr_reg_share ?
+                               MLX5_MTR_IDLE_BITS_IN_COLOR_REG : MLX5_REG_BITS;
+       uint32_t flow_id = 0;
+       uint32_t flow_id_reversed = 0;
+       uint8_t flow_id_bits = 0;
+       int shift;
+
+       /* For ASO meter, meter must be before tag in TX direction. */
+       if (mtr_first) {
+               action_pre_head = actions_pre++;
+               /* Leave space for tag action. */
+               tag_action = actions_pre++;
+       }
        /* Prepare the actions for prefix and suffix flow. */
        for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
-               struct rte_flow_action **action_cur = NULL;
+               struct rte_flow_action *action_cur = NULL;
 
                switch (actions->type) {
                case RTE_FLOW_ACTION_TYPE_METER:
-                       /* Add the extra tag action first. */
-                       tag_action = actions_pre;
-                       tag_action->type = (enum rte_flow_action_type)
-                                          MLX5_RTE_FLOW_ACTION_TYPE_TAG;
-                       actions_pre++;
-                       action_cur = &actions_pre;
+                       if (mtr_first) {
+                               action_cur = action_pre_head;
+                       } else {
+                               /* Leave space for tag action. */
+                               tag_action = actions_pre++;
+                               action_cur = actions_pre++;
+                       }
                        break;
                case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
                case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
-                       action_cur = &actions_pre;
+                       action_cur = actions_pre++;
                        break;
                case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
                        raw_encap = actions->conf;
                        if (raw_encap->size < MLX5_ENCAPSULATION_DECISION_SIZE)
-                               action_cur = &actions_pre;
+                               action_cur = actions_pre++;
                        break;
                case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
                        raw_decap = actions->conf;
                        if (raw_decap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
-                               action_cur = &actions_pre;
+                               action_cur = actions_pre++;
                        break;
                case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
                case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
@@ -4422,31 +4462,48 @@ flow_meter_split_prep(struct rte_eth_dev *dev,
                        break;
                }
                if (!action_cur)
-                       action_cur = &actions_sfx;
-               memcpy(*action_cur, actions, sizeof(struct rte_flow_action));
-               (*action_cur)++;
+                       action_cur = actions_sfx++;
+               memcpy(action_cur, actions, sizeof(struct rte_flow_action));
        }
        /* Add end action to the actions. */
        actions_sfx->type = RTE_FLOW_ACTION_TYPE_END;
-       actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
-       actions_pre++;
-       /* Set the tag. */
-       set_tag = (void *)actions_pre;
-       set_tag->id = mlx5_flow_get_reg_id(dev, MLX5_MTR_SFX, 0, &error);
-       mlx5_ipool_malloc(priv->sh->ipool[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
-                         &tag_id);
-       if (tag_id >= (1 << (sizeof(tag_id) * 8 - MLX5_MTR_COLOR_BITS))) {
-               DRV_LOG(ERR, "Port %u meter flow id exceed max limit.",
-                       dev->data->port_id);
-               mlx5_ipool_free(priv->sh->ipool
-                               [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], tag_id);
-               return 0;
-       } else if (!tag_id) {
-               return 0;
+       if (priv->sh->meter_aso_en) {
+               /**
+                * For ASO meter, need to add an extra jump action explicitly,
+                * to jump from meter to policer table.
+                */
+               hw_mtr_action = actions_pre;
+               hw_mtr_action->type = RTE_FLOW_ACTION_TYPE_JUMP;
+               actions_pre++;
+               actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
+               actions_pre++;
+               jump_data = (struct rte_flow_action_jump *)actions_pre;
+               jump_data->group = attr->transfer ?
+                               (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
+                                MLX5_FLOW_TABLE_LEVEL_METER;
+               hw_mtr_action->conf = jump_data;
+               actions_pre = (struct rte_flow_action *)(jump_data + 1);
+       } else {
+               actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
+               actions_pre++;
        }
-       set_tag->data = tag_id << MLX5_MTR_COLOR_BITS;
-       assert(tag_action);
-       tag_action->conf = set_tag;
+       /* Generate meter flow_id only if support multiple flows per meter. */
+       mlx5_ipool_malloc(fm->flow_ipool, &tag_id);
+       if (!tag_id)
+               return rte_flow_error_set(error, ENOMEM,
+                               RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                               "Failed to allocate meter flow id.");
+       flow_id = tag_id - 1;
+       flow_id_bits = MLX5_REG_BITS - __builtin_clz(flow_id);
+       flow_id_bits = flow_id_bits ? flow_id_bits : 1;
+       if ((flow_id_bits + priv->max_mtr_bits) > mtr_reg_bits) {
+               mlx5_ipool_free(fm->flow_ipool, tag_id);
+               return rte_flow_error_set(error, EINVAL,
+                               RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                               "Meter flow id exceeds max limit.");
+       }
+       if (flow_id_bits > priv->max_mtr_flow_bits)
+               priv->max_mtr_flow_bits = flow_id_bits;
        /* Prepare the suffix subflow items. */
        tag_item = sfx_items++;
        for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
@@ -4475,16 +4532,38 @@ flow_meter_split_prep(struct rte_eth_dev *dev,
        }
        sfx_items->type = RTE_FLOW_ITEM_TYPE_END;
        sfx_items++;
-       tag_spec = (struct mlx5_rte_flow_item_tag *)sfx_items;
-       tag_spec->data = tag_id << MLX5_MTR_COLOR_BITS;
-       tag_spec->id = mlx5_flow_get_reg_id(dev, MLX5_MTR_SFX, 0, &error);
-       tag_mask = tag_spec + 1;
-       tag_mask->data = 0xffffff00;
+       /* Build tag actions and items for meter_id/meter flow_id. */
+       assert(tag_action);
+       set_tag = (struct mlx5_rte_flow_action_set_tag *)actions_pre;
+       tag_item_spec = (struct mlx5_rte_flow_item_tag *)sfx_items;
+       tag_item_mask = tag_item_spec + 1;
+       /* Both flow_id and meter_id share the same register. */
+       *set_tag = (struct mlx5_rte_flow_action_set_tag) {
+               .id = (enum modify_reg)mlx5_flow_get_reg_id(dev, MLX5_MTR_ID,
+                                                           0, error),
+               .offset = mtr_id_offset,
+               .length = mtr_reg_bits,
+               .data = flow->meter,
+       };
+       /*
+        * The color Reg bits used by flow_id are growing from
+        * msb to lsb, so must do bit reverse for flow_id val in RegC.
+        */
+       for (shift = 0; shift < flow_id_bits; shift++)
+               flow_id_reversed = (flow_id_reversed << 1) |
+                             ((flow_id >> shift) & 0x1);
+       set_tag->data |= flow_id_reversed << (mtr_reg_bits - flow_id_bits);
+       tag_item_spec->id = set_tag->id;
+       tag_item_spec->data = set_tag->data << mtr_id_offset;
+       tag_item_mask->data = UINT32_MAX << mtr_id_offset;
+       tag_action->type = (enum rte_flow_action_type)
+                               MLX5_RTE_FLOW_ACTION_TYPE_TAG;
+       tag_action->conf = set_tag;
        tag_item->type = (enum rte_flow_item_type)
-                        MLX5_RTE_FLOW_ITEM_TYPE_TAG;
-       tag_item->spec = tag_spec;
+                               MLX5_RTE_FLOW_ITEM_TYPE_TAG;
+       tag_item->spec = tag_item_spec;
        tag_item->last = NULL;
-       tag_item->mask = tag_mask;
+       tag_item->mask = tag_item_mask;
        return tag_id;
 }
 
@@ -4870,10 +4949,12 @@ flow_sample_split_prep(struct rte_eth_dev *dev,
                ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, 0, error);
                if (ret < 0)
                        return ret;
-               set_tag->id = ret;
                mlx5_ipool_malloc(priv->sh->ipool
                                  [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &tag_id);
-               set_tag->data = tag_id;
+               *set_tag = (struct mlx5_rte_flow_action_set_tag) {
+                       .id = ret,
+                       .data = tag_id,
+               };
                /* Prepare the suffix subflow items. */
                tag_spec = (void *)(sfx_items + SAMPLE_SUFFIX_ITEM);
                tag_spec->data = tag_id;
@@ -5192,25 +5273,50 @@ flow_create_split_meter(struct rte_eth_dev *dev,
                        struct rte_flow_error *error)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
+       struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
        struct rte_flow_action *sfx_actions = NULL;
        struct rte_flow_action *pre_actions = NULL;
        struct rte_flow_item *sfx_items = NULL;
        struct mlx5_flow *dev_flow = NULL;
        struct rte_flow_attr sfx_attr = *attr;
-       uint32_t mtr = 0;
+       struct mlx5_flow_meter_info *fm = NULL;
+       bool has_mtr = false;
+       uint32_t meter_id;
+       uint32_t mtr_idx = 0;
        uint32_t mtr_tag_id = 0;
        size_t act_size;
        size_t item_size;
        int actions_n = 0;
-       int ret;
+       int ret = 0;
 
        if (priv->mtr_en)
-               actions_n = flow_check_meter_action(actions, &mtr);
-       if (mtr) {
-               /* The five prefix actions: meter, decap, encap, tag, end. */
-               act_size = sizeof(struct rte_flow_action) * (actions_n + 5) +
-                          sizeof(struct mlx5_rte_flow_action_set_tag);
-               /* tag, vlan, port id, end. */
+               actions_n = flow_check_meter_action(actions, &has_mtr,
+                                                   &meter_id);
+       if (has_mtr) {
+               if (flow->meter) {
+                       fm = flow_dv_meter_find_by_idx(priv, flow->meter);
+                       if (!fm)
+                               return rte_flow_error_set(error, EINVAL,
+                                               RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                               NULL, "Meter not found.");
+               } else {
+                       fm = mlx5_flow_meter_find(priv, meter_id, &mtr_idx);
+                       if (!fm)
+                               return rte_flow_error_set(error, EINVAL,
+                                               RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                               NULL, "Meter not found.");
+                       ret = mlx5_flow_meter_attach(priv, fm,
+                                                    &sfx_attr, error);
+                       if (ret)
+                               return -rte_errno;
+                       flow->meter = mtr_idx;
+               }
+               wks->fm = fm;
+               /* Prefix actions: meter, decap, encap, tag, jump, end. */
+               act_size = sizeof(struct rte_flow_action) * (actions_n + 6) +
+                          sizeof(struct mlx5_rte_flow_action_set_tag) +
+                          sizeof(struct rte_flow_action_jump);
+               /* Suffix items: tag, vlan, port id, end. */
 #define METER_SUFFIX_ITEM 4
                item_size = sizeof(struct rte_flow_item) * METER_SUFFIX_ITEM +
                            sizeof(struct mlx5_rte_flow_item_tag) * 2;
@@ -5224,9 +5330,10 @@ flow_create_split_meter(struct rte_eth_dev *dev,
                sfx_items = (struct rte_flow_item *)((char *)sfx_actions +
                             act_size);
                pre_actions = sfx_actions + actions_n;
-               mtr_tag_id = flow_meter_split_prep(dev, items, sfx_items,
-                                                  actions, sfx_actions,
-                                                  pre_actions);
+               mtr_tag_id = flow_meter_split_prep(dev, flow, fm, &sfx_attr,
+                                                  items, sfx_items, actions,
+                                                  sfx_actions, pre_actions,
+                                                  error);
                if (!mtr_tag_id) {
                        ret = -rte_errno;
                        goto exit;
@@ -5237,10 +5344,12 @@ flow_create_split_meter(struct rte_eth_dev *dev,
                                              attr, items, pre_actions,
                                              flow_split_info, error);
                if (ret) {
+                       mlx5_ipool_free(fm->flow_ipool, mtr_tag_id);
                        ret = -rte_errno;
                        goto exit;
                }
                dev_flow->handle->split_flow_id = mtr_tag_id;
+               dev_flow->handle->is_meter_flow_id = 1;
                /* Setting the sfx group atrr. */
                sfx_attr.group = sfx_attr.transfer ?
                                (MLX5_FLOW_TABLE_LEVEL_SUFFIX - 1) :
@@ -5391,8 +5500,7 @@ flow_create_split_sample(struct rte_eth_dev *dev,
                                                struct mlx5_flow_tbl_data_entry,
                                                tbl);
                        sfx_attr.group = sfx_attr.transfer ?
-                                               (sfx_tbl_data->table_id - 1) :
-                                               sfx_tbl_data->table_id;
+                       (sfx_tbl_data->level - 1) : sfx_tbl_data->level;
                } else {
                        MLX5_ASSERT(attr->transfer);
                        sfx_attr.group = jump_table;
@@ -5592,7 +5700,8 @@ flow_list_create(struct rte_eth_dev *dev, uint32_t *list,
                .skip_scale = 0,
                .flow_idx = 0,
                .prefix_mark = 0,
-               .prefix_layers = 0
+               .prefix_layers = 0,
+               .table_id = 0
        };
        int ret;
 
@@ -6512,20 +6621,17 @@ mlx5_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
  *
  * @param[in] dev
  *   Pointer to Ethernet device.
- * @param[in] fm
- *   Pointer to the flow meter.
  *
  * @return
  *   Pointer to table set on success, NULL otherwise.
  */
 struct mlx5_meter_domains_infos *
-mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev,
-                         const struct mlx5_flow_meter *fm)
+mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev)
 {
        const struct mlx5_flow_driver_ops *fops;
 
        fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
-       return fops->create_mtr_tbls(dev, fm);
+       return fops->create_mtr_tbls(dev);
 }
 
 /**
@@ -6550,49 +6656,41 @@ mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
 }
 
 /**
- * Create policer rules.
+ * Allocate the needed aso flow meter id.
  *
  * @param[in] dev
  *   Pointer to Ethernet device.
- * @param[in] fm
- *   Pointer to flow meter structure.
- * @param[in] attr
- *   Pointer to flow attributes.
  *
  * @return
- *   0 on success, -1 otherwise.
+ *   Index to aso flow meter on success, NULL otherwise.
  */
-int
-mlx5_flow_create_policer_rules(struct rte_eth_dev *dev,
-                              struct mlx5_flow_meter *fm,
-                              const struct rte_flow_attr *attr)
+uint32_t
+mlx5_flow_mtr_alloc(struct rte_eth_dev *dev)
 {
        const struct mlx5_flow_driver_ops *fops;
 
        fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
-       return fops->create_policer_rules(dev, fm, attr);
+       return fops->create_meter(dev);
 }
 
 /**
- * Destroy policer rules.
+ * Free the aso flow meter id.
  *
- * @param[in] fm
- *   Pointer to flow meter structure.
- * @param[in] attr
- *   Pointer to flow attributes.
+ * @param[in] dev
+ *   Pointer to Ethernet device.
+ * @param[in] mtr_idx
+ *  Index to aso flow meter to be free.
  *
  * @return
- *   0 on success, -1 otherwise.
+ *   0 on success.
  */
-int
-mlx5_flow_destroy_policer_rules(struct rte_eth_dev *dev,
-                               struct mlx5_flow_meter *fm,
-                               const struct rte_flow_attr *attr)
+void
+mlx5_flow_mtr_free(struct rte_eth_dev *dev, uint32_t mtr_idx)
 {
        const struct mlx5_flow_driver_ops *fops;
 
        fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
-       return fops->destroy_policer_rules(dev, fm, attr);
+       fops->free_meter(dev, mtr_idx);
 }
 
 /**
@@ -7643,10 +7741,12 @@ tunnel_mark_decode(struct rte_eth_dev *dev, uint32_t mark)
        union tunnel_offload_mark mbits = { .val = mark };
        union mlx5_flow_tbl_key table_key = {
                {
-                       .table_id = tunnel_id_to_flow_tbl(mbits.table_id),
+                       .level = tunnel_id_to_flow_tbl(mbits.table_id),
+                       .id = 0,
+                       .reserved = 0,
                        .dummy = 0,
-                       .domain = !!mbits.transfer,
-                       .direction = 0,
+                       .is_fdb = !!mbits.transfer,
+                       .is_egress = 0,
                }
        };
        he = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64, NULL);