session udp: flag for connected udp

[vpp.git] / src / vnet / udp / udp.c

diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index fbd9e98..b069e72 100644 (file)
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -81,12 +81,14 @@ udp_session_bind (u32 session_index, transport_endpoint_t * lcl)
 {
   udp_main_t *um = vnet_get_udp_main ();
   vlib_main_t *vm = vlib_get_main ();
+  transport_endpoint_cfg_t *lcl_ext;
   udp_connection_t *listener;
+  udp_dst_port_info_t *pi;
   u32 node_index;
   void *iface_ip;
-  udp_dst_port_info_t *pi;
 
-  pi = udp_get_dst_port_info (um, lcl->port, lcl->is_ip4);
+  pi = udp_get_dst_port_info (um, clib_net_to_host_u16 (lcl->port),
+                             lcl->is_ip4);
   if (pi)
     return -1;
 
@@ -109,11 +111,16 @@ udp_session_bind (u32 session_index, transport_endpoint_t * lcl)
   listener->c_s_index = session_index;
   listener->c_fib_index = lcl->fib_index;
   listener->flags |= UDP_CONN_F_OWNS_PORT;
+  lcl_ext = (transport_endpoint_cfg_t *) lcl;
+  if (lcl_ext->transport_flags & TRANSPORT_CFG_F_CONNECTED)
+    listener->flags |= UDP_CONN_F_CONNECTED;
+  else
+    listener->c_flags |= TRANSPORT_CONNECTION_F_CLESS;
   clib_spinlock_init (&listener->rx_lock);
 
   node_index = lcl->is_ip4 ? udp4_input_node.index : udp6_input_node.index;
   udp_register_dst_port (vm, clib_net_to_host_u16 (lcl->port), node_index,
-                        1 /* is_ipv4 */ );
+                        lcl->is_ip4);
   return listener->c_c_index;
 }
 
@@ -272,18 +279,17 @@ format_udp_listener_session (u8 * s, va_list * args)
   return format (s, "%U", format_udp_connection, uc, verbose);
 }
 
-u16
-udp_send_mss (transport_connection_t * t)
-{
-  /* TODO figure out MTU of output interface */
-  return 1460;
-}
-
-u32
-udp_send_space (transport_connection_t * t)
+static int
+udp_session_send_params (transport_connection_t * tconn,
+                        transport_send_params_t * sp)
 {
   /* No constraint on TX window */
-  return ~0;
+  sp->snd_space = ~0;
+  /* TODO figure out MTU of output interface */
+  sp->snd_mss = 1460;
+  sp->tx_offset = 0;
+  sp->flags = 0;
+  return 0;
 }
 
 int
@@ -327,6 +333,10 @@ udp_open_connection (transport_endpoint_cfg_t * rmt)
   uc->c_proto = TRANSPORT_PROTO_UDP;
   uc->c_fib_index = rmt->fib_index;
   uc->flags |= UDP_CONN_F_OWNS_PORT;
+  if (rmt->transport_flags & TRANSPORT_CFG_F_CONNECTED)
+    uc->flags |= UDP_CONN_F_CONNECTED;
+  else
+    uc->c_flags |= TRANSPORT_CONNECTION_F_CLESS;
 
   return uc->c_c_index;
 }
@@ -356,12 +366,13 @@ static const transport_proto_vft_t udp_proto = {
   .get_half_open = udp_session_get_half_open,
   .close = udp_session_close,
   .cleanup = udp_session_cleanup,
-  .send_mss = udp_send_mss,
-  .send_space = udp_send_space,
+  .send_params = udp_session_send_params,
   .format_connection = format_udp_session,
   .format_half_open = format_udp_half_open_session,
   .format_listener = format_udp_listener_session,
   .transport_options = {
+    .name = "udp",
+    .short_name = "U",
     .tx_type = TRANSPORT_TX_DGRAM,
     .service_type = TRANSPORT_SERVICE_CL,
   },
@@ -394,6 +405,9 @@ udpc_connection_listen (u32 session_index, transport_endpoint_t * lcl)
     return -1;
   listener = udp_listener_get (li_index);
   listener->flags |= UDP_CONN_F_CONNECTED;
+  /* Fake udp listener, i.e., make sure session layer adds a udp instead of
+   * udpc listener to the lookup table */
+  ((session_endpoint_cfg_t *) lcl)->transport_proto = TRANSPORT_PROTO_UDP;
   return li_index;
 }
 
@@ -408,12 +422,13 @@ static const transport_proto_vft_t udpc_proto = {
   .get_half_open = udp_session_get_half_open,
   .close = udp_session_close,
   .cleanup = udp_session_cleanup,
-  .send_mss = udp_send_mss,
-  .send_space = udp_send_space,
+  .send_params = udp_session_send_params,
   .format_connection = format_udp_session,
   .format_half_open = format_udp_half_open_session,
   .format_listener = format_udp_listener_session,
   .transport_options = {
+    .name = "udpc",
+    .short_name = "U",
     .tx_type = TRANSPORT_TX_DGRAM,
     .service_type = TRANSPORT_SERVICE_VC,
     .half_open_has_fifos = 1