+/**
+ * Validate existing indirect actions against current device configuration
+ * and attach them to device resources.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_action_handle_attach(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_indexed_pool *ipool =
+ priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS];
+ struct mlx5_shared_action_rss *shared_rss, *shared_rss_last;
+ int ret = 0;
+ uint32_t idx;
+
+ ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
+ struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
+ const char *message;
+ uint32_t queue_idx;
+
+ ret = mlx5_validate_rss_queues(dev, ind_tbl->queues,
+ ind_tbl->queues_n,
+ &message, &queue_idx);
+ if (ret != 0) {
+ DRV_LOG(ERR, "Port %u cannot use queue %u in RSS: %s",
+ dev->data->port_id, ind_tbl->queues[queue_idx],
+ message);
+ break;
+ }
+ }
+ if (ret != 0)
+ return ret;
+ ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
+ struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
+
+ ret = mlx5_ind_table_obj_attach(dev, ind_tbl);
+ if (ret != 0) {
+ DRV_LOG(ERR, "Port %u could not attach "
+ "indirection table obj %p",
+ dev->data->port_id, (void *)ind_tbl);
+ goto error;
+ }
+ }
+ return 0;
+error:
+ shared_rss_last = shared_rss;
+ ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
+ struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
+
+ if (shared_rss == shared_rss_last)
+ break;
+ if (mlx5_ind_table_obj_detach(dev, ind_tbl) != 0)
+ DRV_LOG(CRIT, "Port %u could not detach "
+ "indirection table obj %p on rollback",
+ dev->data->port_id, (void *)ind_tbl);
+ }
+ return ret;
+}
+
+/**
+ * Detach indirect actions of the device from its resources.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_action_handle_detach(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_indexed_pool *ipool =
+ priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS];
+ struct mlx5_shared_action_rss *shared_rss, *shared_rss_last;
+ int ret = 0;
+ uint32_t idx;
+
+ ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
+ struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
+
+ ret = mlx5_ind_table_obj_detach(dev, ind_tbl);
+ if (ret != 0) {
+ DRV_LOG(ERR, "Port %u could not detach "
+ "indirection table obj %p",
+ dev->data->port_id, (void *)ind_tbl);
+ goto error;
+ }
+ }
+ return 0;
+error:
+ shared_rss_last = shared_rss;
+ ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
+ struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
+
+ if (shared_rss == shared_rss_last)
+ break;
+ if (mlx5_ind_table_obj_attach(dev, ind_tbl) != 0)
+ DRV_LOG(CRIT, "Port %u could not attach "
+ "indirection table obj %p on rollback",
+ dev->data->port_id, (void *)ind_tbl);
+ }
+ return ret;
+}
+