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authorVlad Yasevich <vladislav.yasevich@hp.com>2007-10-26 05:54:46 +0400
committerDavid S. Miller <davem@davemloft.net>2007-10-26 05:54:46 +0400
commitfee9dee730a40f671c1972a324ed54f0d68523e1 (patch)
tree4a688264696a3cfdf7312e92b52ac4794197a7a5 /include/net/inet_sock.h
parent41fb285430e9cb57da624d838afef7b2fc67e276 (diff)
downloadlinux-fee9dee730a40f671c1972a324ed54f0d68523e1.tar.xz
[UDP]: Make use of inet_iif() when doing socket lookups.
UDP currently uses skb->dev->ifindex which may provide the wrong information when the socket bound to a specific interface. This patch makes inet_iif() accessible to UDP and makes UDP use it. The scenario we are trying to fix is when a client is running on the same system and the server and both client and server bind to a non-loopback device. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_sock.h')
-rw-r--r--include/net/inet_sock.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 62daf214931f..70013c5f4e59 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -24,6 +24,7 @@
#include <net/flow.h>
#include <net/sock.h>
#include <net/request_sock.h>
+#include <net/route.h>
/** struct ip_options - IP Options
*
@@ -190,4 +191,10 @@ static inline int inet_sk_ehashfn(const struct sock *sk)
return inet_ehashfn(laddr, lport, faddr, fport);
}
+
+static inline int inet_iif(const struct sk_buff *skb)
+{
+ return ((struct rtable *)skb->dst)->rt_iif;
+}
+
#endif /* _INET_SOCK_H */