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Commit fce82338 authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by David S. Miller
Browse files

udp: Export code sk lookup routines 



The UDP diag get_exact handler will require them to find a
socket by provided net, [sd]addr-s, [sd]ports and device.

Signed-off-by: default avatarPavel Emelyanov <xemul@parallels.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1942c518

include/net/udp.h

+6 −0
Original line number Diff line number Diff line
@@ -194,9 +194,15 @@ 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 *__udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,

				    __be32 daddr, __be16 dport,

				    int dif, struct udp_table *tbl);

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);

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, struct udp_table *tbl);



/*

 * 	SNMP statistics for UDP and UDP-Lite

net/ipv4/udp.c

+2 −1
Original line number Diff line number Diff line
@@ -445,7 +445,7 @@ static struct sock *udp4_lib_lookup2(struct net *net, 
/* UDP is nearly always wildcards out the wazoo, it makes no sense to try

 * harder than this. -DaveM

 */

static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,

struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,

		__be16 sport, __be32 daddr, __be16 dport,

		int dif, struct udp_table *udptable)

{
@@ -512,6 +512,7 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr, 
	rcu_read_unlock();

	return result;

}

EXPORT_SYMBOL_GPL(__udp4_lib_lookup);



static inline struct sock *__udp4_lib_lookup_skb(struct sk_buff *skb,

						 __be16 sport, __be16 dport,

net/ipv6/udp.c

+2 −1
Original line number Diff line number Diff line
@@ -238,7 +238,7 @@ static struct sock *udp6_lib_lookup2(struct net *net, 
	return result;

}



static struct sock *__udp6_lib_lookup(struct net *net,

struct sock *__udp6_lib_lookup(struct net *net,

				      const struct in6_addr *saddr, __be16 sport,

				      const struct in6_addr *daddr, __be16 dport,

				      int dif, struct udp_table *udptable)
@@ -305,6 +305,7 @@ static struct sock *__udp6_lib_lookup(struct net *net, 
	rcu_read_unlock();

	return result;

}

EXPORT_SYMBOL_GPL(__udp6_lib_lookup);



static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb,

					  __be16 sport, __be16 dport,