[IPVS]: Bind connections on stanby if the destination exists

[net-next-2.6.git] / net / ipv4 / ipvs / ip_vs_conn.c

diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c
index 4b702f708d30637954662a1ccc7f66cd95586569..b7eeae622d9b5272abde2f0ff814410893231a97 100644 (file)
--- a/net/ipv4/ipvs/ip_vs_conn.c
+++ b/net/ipv4/ipvs/ip_vs_conn.c
@@ -425,6 +425,25 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
 }
 
 
+/*
+ * Check if there is a destination for the connection, if so
+ * bind the connection to the destination.
+ */
+struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp)
+{
+       struct ip_vs_dest *dest;
+
+       if ((cp) && (!cp->dest)) {
+               dest = ip_vs_find_dest(cp->daddr, cp->dport,
+                                      cp->vaddr, cp->vport, cp->protocol);
+               ip_vs_bind_dest(cp, dest);
+               return dest;
+       } else
+               return NULL;
+}
+EXPORT_SYMBOL(ip_vs_try_bind_dest);
+
+
 /*
  *     Unbind a connection entry with its VS destination
  *     Called by the ip_vs_conn_expire function.