TCP/session improvements

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

diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index cf14cca..a39bc06 100644 (file)
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -33,6 +33,7 @@ typedef enum
   FIFO_EVENT_SERVER_TX,
   FIFO_EVENT_TIMEOUT,
   FIFO_EVENT_SERVER_EXIT,
+  FIFO_EVENT_BUILTIN_RX
 } fifo_event_type_t;
 
 #define foreach_session_input_error                                         \
@@ -91,44 +92,43 @@ typedef enum
   SESSION_STATE_N_STATES,
 } stream_session_state_t;
 
-typedef CLIB_PACKED (struct
-                    {
-                    svm_fifo_t * fifo;
-                    u8 event_type;
-                    /* $$$$ for event logging */
-                    u16 event_id;
-                    u32 enqueue_length;
-                    }) session_fifo_event_t;
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+  svm_fifo_t * fifo;
+  u8 event_type;
+  u16 event_id;
+}) session_fifo_event_t;
+/* *INDENT-ON* */
 
 typedef struct _stream_session_t
 {
+  /** fifo pointers. Once allocated, these do not move */
+  svm_fifo_t *server_rx_fifo;
+  svm_fifo_t *server_tx_fifo;
+
   /** Type */
   u8 session_type;
 
   /** State */
   u8 session_state;
 
+  u8 thread_index;
+
+  /** used during unbind processing */
+  u8 is_deleted;
+
+  /** To avoid n**2 "one event per frame" check */
+  u8 enqueue_epoch;
+
   /** Session index in per_thread pool */
   u32 session_index;
 
   /** Transport specific */
   u32 connection_index;
 
-  u8 thread_index;
-
   /** Application specific */
   u32 pid;
 
-  /** fifo pointers. Once allocated, these do not move */
-  svm_fifo_t *server_rx_fifo;
-  svm_fifo_t *server_tx_fifo;
-
-  /** To avoid n**2 "one event per frame" check */
-  u8 enqueue_epoch;
-
-  /** used during unbind processing */
-  u8 is_deleted;
-
   /** stream server pool index */
   u32 app_index;
 
@@ -162,8 +162,8 @@ typedef int
                        session_fifo_event_t * e0, stream_session_t * s0,
                        u32 thread_index, int *n_tx_pkts);
 
-extern session_fifo_rx_fn session_fifo_rx_peek;
-extern session_fifo_rx_fn session_fifo_rx_dequeue;
+extern session_fifo_rx_fn session_tx_fifo_peek_and_snd;
+extern session_fifo_rx_fn session_tx_fifo_dequeue_and_snd;
 
 struct _session_manager_main
 {
@@ -211,7 +211,9 @@ struct _session_manager_main
   session_manager_t *session_managers;
 
   /** Per transport rx function that can either dequeue or peek */
-  session_fifo_rx_fn *session_rx_fns[SESSION_N_TYPES];
+  session_fifo_rx_fn *session_tx_fns[SESSION_N_TYPES];
+
+  u8 is_enabled;
 
   /* Convenience */
   vlib_main_t *vlib_main;
@@ -219,6 +221,7 @@ struct _session_manager_main
 };
 
 extern session_manager_main_t session_manager_main;
+extern vlib_node_registration_t session_queue_node;
 
 /*
  * Session manager function
@@ -276,14 +279,12 @@ stream_session_t *stream_session_lookup6 (ip6_address_t * lcl,
                                          ip6_address_t * rmt, u16 lcl_port,
                                          u16 rmt_port, u8, u32 thread_index);
 transport_connection_t
-  * stream_session_lookup_transport4 (session_manager_main_t * smm,
-                                     ip4_address_t * lcl,
+  * stream_session_lookup_transport4 (ip4_address_t * lcl,
                                      ip4_address_t * rmt, u16 lcl_port,
                                      u16 rmt_port, u8 proto,
                                      u32 thread_index);
 transport_connection_t
-  * stream_session_lookup_transport6 (session_manager_main_t * smm,
-                                     ip6_address_t * lcl,
+  * stream_session_lookup_transport6 (ip6_address_t * lcl,
                                      ip6_address_t * rmt, u16 lcl_port,
                                      u16 rmt_port, u8 proto,
                                      u32 thread_index);
@@ -332,12 +333,19 @@ stream_session_get_index (stream_session_t * s)
 }
 
 always_inline u32
-stream_session_max_enqueue (transport_connection_t * tc)
+stream_session_max_rx_enqueue (transport_connection_t * tc)
 {
   stream_session_t *s = stream_session_get (tc->s_index, tc->thread_index);
   return svm_fifo_max_enqueue (s->server_rx_fifo);
 }
 
+always_inline u32
+stream_session_fifo_size (transport_connection_t * tc)
+{
+  stream_session_t *s = stream_session_get (tc->s_index, tc->thread_index);
+  return s->server_rx_fifo->nitems;
+}
+
 int
 stream_session_enqueue_data (transport_connection_t * tc, u8 * data, u16 len,
                             u8 queue_event);
@@ -349,6 +357,7 @@ u32 stream_session_dequeue_drop (transport_connection_t * tc, u32 max_bytes);
 void
 stream_session_connect_notify (transport_connection_t * tc, u8 sst,
                               u8 is_fail);
+
 void stream_session_accept_notify (transport_connection_t * tc);
 void stream_session_disconnect_notify (transport_connection_t * tc);
 void stream_session_delete_notify (transport_connection_t * tc);
@@ -356,8 +365,8 @@ void stream_session_reset_notify (transport_connection_t * tc);
 int
 stream_session_accept (transport_connection_t * tc, u32 listener_index,
                       u8 sst, u8 notify);
-void stream_session_open (u8 sst, ip46_address_t * addr,
-                         u16 port_host_byte_order, u32 api_client_index);
+int stream_session_open (u8 sst, ip46_address_t * addr,
+                        u16 port_host_byte_order, u32 api_client_index);
 void stream_session_disconnect (stream_session_t * s);
 void stream_session_cleanup (stream_session_t * s);
 int
@@ -369,6 +378,8 @@ u8 *format_stream_session (u8 * s, va_list * args);
 void session_register_transport (u8 type, const transport_proto_vft_t * vft);
 transport_proto_vft_t *session_get_transport_vft (u8 type);
 
+clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en);
+
 #endif /* __included_session_h__ */
 
 /*