diff options
| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2008-10-07 11:41:57 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-10-07 11:41:57 -0700 |
| commit | 9a1f27c48065ce713eb47f2fd475b717e63ef239 (patch) | |
| tree | 79ebeb8386b98aca595625b9d2db26bd52a8077d /include | |
| parent | tcp: Respect SO_RCVLOWAT in tcp_poll(). (diff) | |
| download | linux-dev-9a1f27c48065ce713eb47f2fd475b717e63ef239.tar.xz linux-dev-9a1f27c48065ce713eb47f2fd475b717e63ef239.zip | |
inet_hashtables: Add inet_lookup_skb helpers
To be able to use the cached socket reference in the skb during input
processing we add a new set of lookup functions that receive the skb on
their argument list.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/inet6_hashtables.h | 11 | ||||
| -rw-r--r-- | include/net/inet_hashtables.h | 14 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index e48989f04c24..995efbb031ab 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -91,6 +91,17 @@ static inline struct sock *__inet6_lookup(struct net *net, return inet6_lookup_listener(net, hashinfo, daddr, hnum, dif); } +static inline struct sock *__inet6_lookup_skb(struct inet_hashinfo *hashinfo, + struct sk_buff *skb, + const __be16 sport, + const __be16 dport) +{ + return __inet6_lookup(dev_net(skb->dst->dev), hashinfo, + &ipv6_hdr(skb)->saddr, sport, + &ipv6_hdr(skb)->daddr, ntohs(dport), + inet6_iif(skb)); +} + extern struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo, const struct in6_addr *saddr, const __be16 sport, const struct in6_addr *daddr, const __be16 dport, diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index bb619d80f2e2..3522bbcd546d 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -16,6 +16,7 @@ #include <linux/interrupt.h> +#include <linux/ip.h> #include <linux/ipv6.h> #include <linux/list.h> #include <linux/slab.h> @@ -28,6 +29,7 @@ #include <net/inet_connection_sock.h> #include <net/inet_sock.h> #include <net/sock.h> +#include <net/route.h> #include <net/tcp_states.h> #include <net/netns/hash.h> @@ -371,6 +373,18 @@ static inline struct sock *inet_lookup(struct net *net, return sk; } +static inline struct sock *__inet_lookup_skb(struct inet_hashinfo *hashinfo, + struct sk_buff *skb, + const __be16 sport, + const __be16 dport) +{ + const struct iphdr *iph = ip_hdr(skb); + + return __inet_lookup(dev_net(skb->dst->dev), hashinfo, + iph->saddr, sport, + iph->daddr, dport, inet_iif(skb)); +} + extern int __inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk, u32 port_offset, int (*check_established)(struct inet_timewait_death_row *, |