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[06/13] TProxy: added udp6_lib_lookup function

Message ID 1253548005.12519.6.camel@bzorp.balabit
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Balazs Scheidler Aug. 23, 2009, 9:19 a.m. UTC 
Just like with IPv4, we need access to the UDP hash table to look up local
sockets, but instead of exporting the global udp_table, export a lookup
function.

Signed-off-by: Balazs Scheidler <bazsi@balabit.hu>
---
 include/net/udp.h |    3 +++
 net/ipv6/udp.c    |    8 ++++++++
 2 files changed, 11 insertions(+), 0 deletions(-)
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Patch

diff --git a/include/net/udp.h b/include/net/udp.h
index 90e6ce5..5b45f5b 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -150,6 +150,9 @@  extern int 	udp_lib_setsockopt(struct sock *sk, int level, int optname,
 extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,
 				    __be32 daddr, __be16 dport,
 				    int dif);
+extern struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport,
+				    const struct in6_addr *daddr, __be16 dport,
+				    int dif);
 
 /*
  * 	SNMP statistics for UDP and UDP-Lite
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 9c9b24b..eee936c 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -182,6 +182,14 @@  static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb,
 				 udptable);
 }
 
+struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport,
+                             const struct in6_addr *daddr, __be16 dport, int dif)
+{
+        return __udp6_lib_lookup(net, saddr, sport, daddr, dport, dif, &udp_table);
+}
+EXPORT_SYMBOL_GPL(udp6_lib_lookup);
+
+
 /*
  * 	This should be easy, if there is something there we
  * 	return it, otherwise we block.