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udp: Export UDP socket lookup function

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The iptables tproxy code has to be able to do UDP socket hash lookups,
so we have to provide an exported lookup function for this purpose.

Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
KOVACS Krisztian
2008-10-01 07:48:10 -07:00
committed by David S. Miller
parent a3116ac5c2
commit bcd41303f4
2 changed files with 11 additions and 0 deletions
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7
net/ipv4/udp.c
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@ -302,6 +302,13 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
return result;
}
struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,
__be32 daddr, __be16 dport, int dif)
{
return __udp4_lib_lookup(net, saddr, sport, daddr, dport, dif, udp_hash);
}
EXPORT_SYMBOL_GPL(udp4_lib_lookup);
static inline struct sock *udp_v4_mcast_next(struct sock *sk,
__be16 loc_port, __be32 loc_addr,
__be16 rmt_port, __be32 rmt_addr,