From: Balazs Scheidler <bazsi@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: KOVACS Krisztian <hidden@xxxxxxxxxx>
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
---
include/net/udp.h | 3 +++
net/ipv6/udp.c | 8 ++++++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/net/udp.h b/include/net/udp.h
index a184d34..200b828 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -183,6 +183,9 @@ 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 33e3683..c84dad4 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -320,6 +320,14 @@ 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.
--
1.7.1
--
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