a7y18lte-ubports/android_kernel_samsung_universal7885
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udp: Export code sk lookup routines

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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: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2011-12-09 06:23:34 +00:00 committed by David S. Miller
parent 1942c518ca
commit fce823381e
3 changed files with 10 additions and 2 deletions
include/net
udp.h
net
ipv4
udp.c
ipv6
udp.c

6
include/net/udp.h
View File

@ -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, extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,
__be32 daddr, __be16 dport, __be32 daddr, __be16 dport,
int dif); 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, extern struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport,
const struct in6_addr *daddr, __be16 dport, const struct in6_addr *daddr, __be16 dport,
int dif); 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 * SNMP statistics for UDP and UDP-Lite

3
net/ipv4/udp.c
View File

@ -445,7 +445,7 @@ exact_match:
/* UDP is nearly always wildcards out the wazoo, it makes no sense to try /* UDP is nearly always wildcards out the wazoo, it makes no sense to try
* harder than this. -DaveM * 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, __be16 sport, __be32 daddr, __be16 dport,
int dif, struct udp_table *udptable) int dif, struct udp_table *udptable)
{ {
@ -512,6 +512,7 @@ begin:
rcu_read_unlock(); rcu_read_unlock();
return result; return result;
} }
EXPORT_SYMBOL_GPL(__udp4_lib_lookup);
static inline struct sock *__udp4_lib_lookup_skb(struct sk_buff *skb, static inline struct sock *__udp4_lib_lookup_skb(struct sk_buff *skb,
__be16 sport, __be16 dport, __be16 sport, __be16 dport,

3
net/ipv6/udp.c
View File

@ -238,7 +238,7 @@ exact_match:
return result; 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 *saddr, __be16 sport,
const struct in6_addr *daddr, __be16 dport, const struct in6_addr *daddr, __be16 dport,
int dif, struct udp_table *udptable) int dif, struct udp_table *udptable)
@ -305,6 +305,7 @@ begin:
rcu_read_unlock(); rcu_read_unlock();
return result; return result;
} }
EXPORT_SYMBOL_GPL(__udp6_lib_lookup);
static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb, static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb,
__be16 sport, __be16 dport, __be16 sport, __be16 dport,