+static int
+eh_tx_adapter_configure(struct eventmode_conf *em_conf,
+ struct tx_adapter_conf *adapter)
+{
+ struct rte_event_dev_info evdev_default_conf = {0};
+ struct rte_event_port_conf port_conf = {0};
+ struct tx_adapter_connection_info *conn;
+ struct eventdev_params *eventdev_config;
+ uint8_t tx_port_id = 0;
+ uint8_t eventdev_id;
+ uint32_t service_id;
+ int ret, j;
+
+ /* Get event dev ID */
+ eventdev_id = adapter->eventdev_id;
+
+ /* Get event device conf */
+ eventdev_config = eh_get_eventdev_params(em_conf, eventdev_id);
+
+ /* Create Tx adapter */
+
+ /* Get default configuration of event dev */
+ ret = rte_event_dev_info_get(eventdev_id, &evdev_default_conf);
+ if (ret < 0) {
+ EH_LOG_ERR("Failed to get event dev info %d", ret);
+ return ret;
+ }
+
+ /* Setup port conf */
+ port_conf.new_event_threshold =
+ evdev_default_conf.max_num_events;
+ port_conf.dequeue_depth =
+ evdev_default_conf.max_event_port_dequeue_depth;
+ port_conf.enqueue_depth =
+ evdev_default_conf.max_event_port_enqueue_depth;
+
+ /* Create adapter */
+ ret = rte_event_eth_tx_adapter_create(adapter->adapter_id,
+ adapter->eventdev_id, &port_conf);
+ if (ret < 0) {
+ EH_LOG_ERR("Failed to create tx adapter %d", ret);
+ return ret;
+ }
+
+ /* Setup various connections in the adapter */
+ for (j = 0; j < adapter->nb_connections; j++) {
+
+ /* Get connection */
+ conn = &(adapter->conn[j]);
+
+ /* Add queue to the adapter */
+ ret = rte_event_eth_tx_adapter_queue_add(adapter->adapter_id,
+ conn->ethdev_id, conn->ethdev_tx_qid);
+ if (ret < 0) {
+ EH_LOG_ERR("Failed to add eth queue to tx adapter %d",
+ ret);
+ return ret;
+ }
+ }
+
+ /* Setup Tx queue & port */
+
+ /* Get event port used by the adapter */
+ ret = rte_event_eth_tx_adapter_event_port_get(
+ adapter->adapter_id, &tx_port_id);
+ if (ret) {
+ EH_LOG_ERR("Failed to get tx adapter port id %d", ret);
+ return ret;
+ }
+
+ /*
+ * Tx event queue is reserved for Tx adapter. Unlink this queue
+ * from all other ports
+ *
+ */
+ for (j = 0; j < eventdev_config->nb_eventport; j++) {
+ rte_event_port_unlink(eventdev_id, j,
+ &(adapter->tx_ev_queue), 1);
+ }
+
+ /* Link Tx event queue to Tx port */
+ ret = rte_event_port_link(eventdev_id, tx_port_id,
+ &(adapter->tx_ev_queue), NULL, 1);
+ if (ret != 1) {
+ EH_LOG_ERR("Failed to link event queue to port");
+ return ret;
+ }
+
+ /* Get the service ID used by Tx adapter */
+ ret = rte_event_eth_tx_adapter_service_id_get(adapter->adapter_id,
+ &service_id);
+ if (ret != -ESRCH && ret < 0) {
+ EH_LOG_ERR("Failed to get service id used by tx adapter %d",
+ ret);
+ return ret;
+ }
+
+ rte_service_set_runstate_mapped_check(service_id, 0);
+
+ /* Start adapter */
+ ret = rte_event_eth_tx_adapter_start(adapter->adapter_id);
+ if (ret < 0) {
+ EH_LOG_ERR("Failed to start tx adapter %d", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int
+eh_initialize_tx_adapter(struct eventmode_conf *em_conf)
+{
+ struct tx_adapter_conf *adapter;
+ int i, ret;
+
+ /* Configure Tx adapters */
+ for (i = 0; i < em_conf->nb_tx_adapter; i++) {
+ adapter = &(em_conf->tx_adapter[i]);
+ ret = eh_tx_adapter_configure(em_conf, adapter);
+ if (ret < 0) {
+ EH_LOG_ERR("Failed to configure tx adapter %d", ret);
+ return ret;
+ }
+ }
+ return 0;
+}
+