examples/ipsec-secgw: support event Tx adapter

[dpdk.git] / examples / ipsec-secgw / event_helper.h

diff --git a/examples/ipsec-secgw/event_helper.h b/examples/ipsec-secgw/event_helper.h
index 00ce14e..913b172 100644 (file)
--- a/examples/ipsec-secgw/event_helper.h
+++ b/examples/ipsec-secgw/event_helper.h
@@ -19,9 +19,15 @@
 /* Max Rx adapters supported */
 #define EVENT_MODE_MAX_RX_ADAPTERS RTE_EVENT_MAX_DEVS
 
+/* Max Tx adapters supported */
+#define EVENT_MODE_MAX_TX_ADAPTERS RTE_EVENT_MAX_DEVS
+
 /* Max Rx adapter connections */
 #define EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER 16
 
+/* Max Tx adapter connections */
+#define EVENT_MODE_MAX_CONNECTIONS_PER_TX_ADAPTER 16
+
 /* Max event queues supported per event device */
 #define EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV RTE_EVENT_MAX_QUEUES_PER_DEV
 
@@ -29,6 +35,9 @@
 #define EVENT_MODE_MAX_LCORE_LINKS \
        (EVENT_MODE_MAX_EVENT_DEVS * EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV)
 
+/* Max adapters that one Tx core can handle */
+#define EVENT_MODE_MAX_ADAPTERS_PER_TX_CORE EVENT_MODE_MAX_TX_ADAPTERS
+
 /**
  * Packet transfer mode of the application
  */
@@ -76,6 +85,23 @@ struct rx_adapter_conf {
                        conn[EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER];
 };
 
+/* Tx adapter connection info */
+struct tx_adapter_connection_info {
+       uint8_t ethdev_id;
+       int32_t ethdev_tx_qid;
+};
+
+/* Tx adapter conf */
+struct tx_adapter_conf {
+       int32_t eventdev_id;
+       int32_t adapter_id;
+       uint32_t tx_core_id;
+       uint8_t nb_connections;
+       struct tx_adapter_connection_info
+                       conn[EVENT_MODE_MAX_CONNECTIONS_PER_TX_ADAPTER];
+       uint8_t tx_ev_queue;
+};
+
 /* Eventmode conf data */
 struct eventmode_conf {
        int nb_eventdev;
@@ -86,6 +112,10 @@ struct eventmode_conf {
                /**< No of Rx adapters */
        struct rx_adapter_conf rx_adapter[EVENT_MODE_MAX_RX_ADAPTERS];
                /**< Rx adapter conf */
+       uint8_t nb_tx_adapter;
+               /**< No of Tx adapters */
+       struct tx_adapter_conf tx_adapter[EVENT_MODE_MAX_TX_ADAPTERS];
+               /** Tx adapter conf */
        uint8_t nb_link;
                /**< No of links */
        struct eh_event_link_info
@@ -166,4 +196,22 @@ eh_devs_init(struct eh_conf *conf);
 int32_t
 eh_devs_uninit(struct eh_conf *conf);
 
+/**
+ * Get eventdev tx queue
+ *
+ * If the application uses event device which does not support internal port
+ * then it needs to submit the events to a Tx queue before final transmission.
+ * This Tx queue will be created internally by the eventmode helper subsystem,
+ * and application will need its queue ID when it runs the execution loop.
+ *
+ * @param mode_conf
+ *   Event helper configuration
+ * @param eventdev_id
+ *   Event device ID
+ * @return
+ *   Tx queue ID
+ */
+uint8_t
+eh_get_tx_queue(struct eh_conf *conf, uint8_t eventdev_id);
+
 #endif /* _EVENT_HELPER_H_ */