SCTP: API to delete a sub-connection

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

diff --git a/src/vnet/sctp/sctp.c b/src/vnet/sctp/sctp.c
index b1186a6..cc70f7c 100644 (file)
--- a/src/vnet/sctp/sctp.c
+++ b/src/vnet/sctp/sctp.c
@@ -305,6 +305,40 @@ sctp_sub_connection_add_ip4 (vlib_main_t * vm,
   return SCTP_ERROR_NONE;
 }
 
+u8
+sctp_sub_connection_del_ip4 (ip4_address_t * lcl_addr,
+                            ip4_address_t * rmt_addr)
+{
+  sctp_main_t *sctp_main = vnet_get_sctp_main ();
+
+  u32 thread_idx = vlib_get_thread_index ();
+  u8 i;
+
+  ASSERT (thread_idx == 0);
+
+  for (i = 0; i < MAX_SCTP_CONNECTIONS; i++)
+    {
+      sctp_connection_t *sctp_conn = sctp_main->connections[thread_idx];
+      sctp_sub_connection_t *sub_conn =
+       &sctp_main->connections[thread_idx]->sub_conn[i];
+      ip46_address_t *lcl_ip =
+       &sctp_main->connections[thread_idx]->sub_conn[i].connection.lcl_ip;
+      ip46_address_t *rmt_ip =
+       &sctp_main->connections[thread_idx]->sub_conn[i].connection.rmt_ip;
+
+      if (!sub_conn->connection.is_ip4)
+       continue;
+      if (lcl_ip->ip4.as_u32 == lcl_addr->as_u32 &&
+         rmt_ip->ip4.as_u32 == rmt_addr->as_u32)
+       {
+         sub_conn->state = SCTP_SUBCONN_STATE_DOWN;
+         sctp_conn->forming_association_changed = 1;
+         break;
+       }
+    }
+  return SCTP_ERROR_NONE;
+}
+
 u8
 sctp_sub_connection_add_ip6 (vlib_main_t * vm,
                             ip6_address_t * lcl_addr,
@@ -328,6 +362,42 @@ sctp_sub_connection_add_ip6 (vlib_main_t * vm,
   return SCTP_ERROR_NONE;
 }
 
+u8
+sctp_sub_connection_del_ip6 (ip6_address_t * lcl_addr,
+                            ip6_address_t * rmt_addr)
+{
+  sctp_main_t *sctp_main = vnet_get_sctp_main ();
+
+  u32 thread_idx = vlib_get_thread_index ();
+  u8 i;
+
+  ASSERT (thread_idx == 0);
+
+  for (i = 0; i < MAX_SCTP_CONNECTIONS; i++)
+    {
+      sctp_connection_t *sctp_conn = sctp_main->connections[thread_idx];
+      sctp_sub_connection_t *sub_conn =
+       &sctp_main->connections[thread_idx]->sub_conn[i];
+      ip46_address_t *lcl_ip =
+       &sctp_main->connections[thread_idx]->sub_conn[i].connection.lcl_ip;
+      ip46_address_t *rmt_ip =
+       &sctp_main->connections[thread_idx]->sub_conn[i].connection.rmt_ip;
+
+      if (!sub_conn->connection.is_ip4)
+       continue;
+      if ((lcl_ip->ip6.as_u64[0] == lcl_addr->as_u64[0]
+          && lcl_ip->ip6.as_u64[1] == lcl_addr->as_u64[1])
+         && (rmt_ip->ip6.as_u64[0] == rmt_addr->as_u64[0]
+             && rmt_ip->ip6.as_u64[1] == rmt_addr->as_u64[1]))
+       {
+         sub_conn->state = SCTP_SUBCONN_STATE_DOWN;
+         sctp_conn->forming_association_changed = 1;
+         break;
+       }
+    }
+  return SCTP_ERROR_NONE;
+}
+
 sctp_connection_t *
 sctp_connection_new (u8 thread_index)
 {