X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession.h;h=108e5fe259a932fe2353dfea211b31df753b01e7;hb=f8f516a8b0ccab2f5d9796f90419bf2661c750af;hp=d0bf95c41e42f83dbff9f7279cfcbd4dd06a0f56;hpb=84a30ef2b51d0dc60176f4a93c90134bb443a260;p=vpp.git

diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index d0bf95c41e4..108e5fe259a 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -70,7 +70,8 @@ _(FIFO_FULL, "Packets dropped for lack of rx fifo space")               \
 _(EVENT_FIFO_FULL, "Events not sent for lack of event fifo space")      \
 _(API_QUEUE_FULL, "Sessions not created for lack of API queue space")   \
 _(NEW_SEG_NO_SPACE, "Created segment, couldn't allocate a fifo pair")   \
-_(NO_SPACE, "Couldn't allocate a fifo pair")
+_(NO_SPACE, "Couldn't allocate a fifo pair")				\
+_(SEG_CREATE, "Couldn't create a new segment")
 
 typedef enum
 {
@@ -86,12 +87,14 @@ typedef struct
   void *arg;
 } rpc_args_t;
 
+typedef u64 session_handle_t;
+
 /* *INDENT-OFF* */
 typedef CLIB_PACKED (struct {
   union
     {
       svm_fifo_t * fifo;
-      u64 session_handle;
+      session_handle_t session_handle;
       rpc_args_t rpc_args;
     };
   u8 event_type;
@@ -171,7 +174,7 @@ struct _session_manager_main
 
   /** Session ssvm segment configs*/
   uword session_baseva;
-  u32 segment_timeout;
+  uword session_va_space_size;
   u32 evt_qs_segment_size;
   u8 evt_qs_use_memfd_seg;
 
@@ -250,38 +253,61 @@ session_get_if_valid (u64 si, u32 thread_index)
   return pool_elt_at_index (session_manager_main.sessions[thread_index], si);
 }
 
-always_inline u64
+always_inline session_handle_t
 session_handle (stream_session_t * s)
 {
   return ((u64) s->thread_index << 32) | (u64) s->session_index;
 }
 
 always_inline u32
-session_index_from_handle (u64 handle)
+session_index_from_handle (session_handle_t handle)
 {
   return handle & 0xFFFFFFFF;
 }
 
 always_inline u32
-session_thread_from_handle (u64 handle)
+session_thread_from_handle (session_handle_t handle)
 {
   return handle >> 32;
 }
 
 always_inline void
-session_parse_handle (u64 handle, u32 * index, u32 * thread_index)
+session_parse_handle (session_handle_t handle, u32 * index,
+		      u32 * thread_index)
 {
   *index = session_index_from_handle (handle);
   *thread_index = session_thread_from_handle (handle);
 }
 
 always_inline stream_session_t *
-session_get_from_handle (u64 handle)
+session_get_from_handle (session_handle_t handle)
 {
   session_manager_main_t *smm = &session_manager_main;
-  return
-    pool_elt_at_index (smm->sessions[session_thread_from_handle (handle)],
-		       session_index_from_handle (handle));
+  u32 session_index, thread_index;
+  session_parse_handle (handle, &session_index, &thread_index);
+  return pool_elt_at_index (smm->sessions[thread_index], session_index);
+}
+
+always_inline stream_session_t *
+session_get_from_handle_if_valid (session_handle_t handle)
+{
+  u32 session_index, thread_index;
+  session_parse_handle (handle, &session_index, &thread_index);
+  return session_get_if_valid (session_index, thread_index);
+}
+
+always_inline u8
+session_handle_is_local (session_handle_t handle)
+{
+  if ((handle >> 32) == SESSION_LOCAL_TABLE_PREFIX)
+    return 1;
+  return 0;
+}
+
+always_inline transport_proto_t
+session_type_transport_proto (session_type_t st)
+{
+  return (st >> 1);
 }
 
 always_inline transport_proto_t
@@ -290,12 +316,25 @@ session_get_transport_proto (stream_session_t * s)
   return (s->session_type >> 1);
 }
 
+always_inline fib_protocol_t
+session_get_fib_proto (stream_session_t * s)
+{
+  u8 is_ip4 = s->session_type & 1;
+  return (is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
+}
+
 always_inline session_type_t
 session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4)
 {
   return (proto << 1 | is_ip4);
 }
 
+always_inline u8
+session_has_transport (stream_session_t * s)
+{
+  return (session_get_transport_proto (s) != TRANSPORT_PROTO_NONE);
+}
+
 /**
  * Acquires a lock that blocks a session pool from expanding.
  *
@@ -469,7 +508,7 @@ listen_session_get_handle (stream_session_t * s)
 }
 
 always_inline stream_session_t *
-listen_session_get_from_handle (u64 handle)
+listen_session_get_from_handle (session_handle_t handle)
 {
   session_manager_main_t *smm = &session_manager_main;
   stream_session_t *s;