session: add support for application namespacing

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

diff --git a/src/vnet/session/stream_session.h b/src/vnet/session/stream_session.h
index 4c26321..1ed6e0b 100644 (file)
--- a/src/vnet/session/stream_session.h
+++ b/src/vnet/session/stream_session.h
@@ -18,6 +18,7 @@
 
 #include <vnet/vnet.h>
 #include <svm/svm_fifo.h>
+#include <vnet/session/transport.h>
 
 #define foreach_session_type                    \
   _(IP4_TCP, ip4_tcp)                           \
@@ -56,16 +57,13 @@ typedef struct _stream_session_t
   u8 session_type;
 
   /** State */
-  u8 session_state;
+  volatile u8 session_state;
 
   u8 thread_index;
 
   /** To avoid n**2 "one event per frame" check */
   u8 enqueue_epoch;
 
-  /** Pad to a multiple of 8 octets */
-  u8 align_pad[4];
-
   /** svm segment index where fifos were allocated */
   u32 svm_segment_index;
 
@@ -81,15 +79,47 @@ typedef struct _stream_session_t
   /** Parent listener session if the result of an accept */
   u32 listener_index;
 
-  u32 opaque2;
-
-  /** connected (server) session handle */
-  u64 server_session_handle;
-
-  /** Opaque, pad to a 64-octet boundary */
-  u64 opaque[1];
+    CLIB_CACHE_LINE_ALIGN_MARK (pad);
 } stream_session_t;
 
+typedef struct _session_endpoint
+{
+  /*
+   * Network specific
+   */
+#define _(type, name) type name;
+  foreach_transport_connection_fields
+#undef _
+    /*
+     * Session specific
+     */
+  u8 transport_proto;  /**< transport protocol for session */
+} session_endpoint_t;
+
+#define SESSION_IP46_ZERO              \
+{                                      \
+    .ip6 = {                           \
+       { 0, 0, },                      \
+    },                                 \
+}
+#define SESSION_ENDPOINT_NULL          \
+{                                      \
+  .sw_if_index = ENDPOINT_INVALID_INDEX,       \
+  .ip = SESSION_IP46_ZERO,             \
+  .fib_index = ENDPOINT_INVALID_INDEX, \
+  .is_ip4 = 0,                         \
+  .port = 0,                           \
+  .transport_proto = 0,                        \
+}
+
+#define session_endpoint_to_transport(_sep) ((transport_endpoint_t *)_sep)
+
+always_inline u8
+session_endpoint_fib_proto (session_endpoint_t * sep)
+{
+  return sep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+}
+
 #endif /* SRC_VNET_SESSION_STREAM_SESSION_H_ */
 
 /*