session: first approximation implementation of tls

[vpp.git] / src / vnet / session / transport_interface.h

diff --git a/src/vnet/session/transport_interface.h b/src/vnet/session/transport_interface.h
index b7e86ee..04a5ff2 100644 (file)
--- a/src/vnet/session/transport_interface.h
+++ b/src/vnet/session/transport_interface.h
@@ -19,9 +19,26 @@
 #include <vnet/vnet.h>
 #include <vnet/session/transport.h>
 
+typedef enum transport_dequeue_type_
+{
+  TRANSPORT_TX_PEEK,           /**< reliable transport protos */
+  TRANSPORT_TX_DEQUEUE,                /**< unreliable transport protos */
+  TRANSPORT_TX_INTERNAL,               /**< apps acting as transports */
+  TRANSPORT_TX_N_FNS
+} transport_tx_fn_type_t;
+
+typedef enum transport_service_type_
+{
+  TRANSPORT_SERVICE_VC,                /**< virtual circuit service */
+  TRANSPORT_SERVICE_CL,                /**< connectionless service */
+  TRANSPORT_SERVICE_APP,               /**< app transport service */
+  TRANSPORT_N_SERVICES
+} transport_service_type_t;
+
 /*
  * Transport protocol virtual function table
  */
+/* *INDENT-OFF* */
 typedef struct _transport_proto_vft
 {
   /*
@@ -32,14 +49,17 @@ typedef struct _transport_proto_vft
   int (*open) (transport_endpoint_t * rmt);
   void (*close) (u32 conn_index, u32 thread_index);
   void (*cleanup) (u32 conn_index, u32 thread_index);
+  clib_error_t *(*enable) (vlib_main_t * vm, u8 is_en);
 
   /*
    * Transmission
    */
-    u32 (*push_header) (transport_connection_t * tconn, vlib_buffer_t * b);
-    u16 (*send_mss) (transport_connection_t * tc);
-    u32 (*send_space) (transport_connection_t * tc);
-    u32 (*tx_fifo_offset) (transport_connection_t * tc);
+
+  u32 (*push_header) (transport_connection_t * tconn, vlib_buffer_t * b);
+  u16 (*send_mss) (transport_connection_t * tc);
+  u32 (*send_space) (transport_connection_t * tc);
+  u32 (*tx_fifo_offset) (transport_connection_t * tc);
+  void (*update_time) (f64 time_now, u8 thread_index);
 
   /*
    * Connection retrieval
@@ -54,22 +74,30 @@ typedef struct _transport_proto_vft
   u8 *(*format_connection) (u8 * s, va_list * args);
   u8 *(*format_listener) (u8 * s, va_list * args);
   u8 *(*format_half_open) (u8 * s, va_list * args);
-} transport_proto_vft_t;
 
-typedef clib_bihash_24_8_t transport_endpoint_table_t;
+  /*
+   * Properties
+   */
+  transport_tx_fn_type_t tx_type;
+  transport_service_type_t service_type;
+} transport_proto_vft_t;
+/* *INDENT-ON* */
 
-#define TRANSPORT_ENDPOINT_INVALID_INDEX ((u32)~0)
+extern transport_proto_vft_t *tp_vfts;
 
-u32 transport_endpoint_lookup (transport_endpoint_table_t * ht,
-                              ip46_address_t * ip, u16 port);
-void transport_endpoint_table_add (transport_endpoint_table_t * ht,
-                                  transport_endpoint_t * te, u32 value);
-void transport_endpoint_table_del (transport_endpoint_table_t * ht,
-                                  transport_endpoint_t * te);
+#define transport_proto_foreach(VAR, BODY)                     \
+do {                                                           \
+    for (VAR = 0; VAR < vec_len (tp_vfts); VAR++)              \
+      if (tp_vfts[VAR].push_header != 0)                               \
+       do { BODY; } while (0);                                 \
+} while (0)
 
-void session_register_transport (u8 session_type,
-                                const transport_proto_vft_t * vft);
-transport_proto_vft_t *session_get_transport_vft (u8 session_type);
+void transport_register_protocol (transport_proto_t transport_proto,
+                                 const transport_proto_vft_t * vft,
+                                 fib_protocol_t fib_proto, u32 output_node);
+transport_proto_vft_t *transport_protocol_get_vft (transport_proto_t tp);
+void transport_update_time (f64 time_now, u8 thread_index);
+void transport_enable_disable (vlib_main_t * vm, u8 is_en);
 
 #endif /* SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_ */