#include <net/inet_sock.h>
#include <net/ipv6.h>
+#include <net/netns/hash.h>
struct inet_hashinfo;
/* I have no idea if this is a good hash for v6 or not. -DaveM */
-static inline unsigned int inet6_ehashfn(const struct in6_addr *laddr, const u16 lport,
+static inline unsigned int inet6_ehashfn(struct net *net,
+ const struct in6_addr *laddr, const u16 lport,
const struct in6_addr *faddr, const __be16 fport)
{
u32 ports = (lport ^ (__force u16)fport);
return jhash_3words((__force u32)laddr->s6_addr32[3],
(__force u32)faddr->s6_addr32[3],
- ports, inet_ehash_secret);
+ ports, inet_ehash_secret + net_hash_mix(net));
}
static inline int inet6_sk_ehashfn(const struct sock *sk)
const struct in6_addr *faddr = &np->daddr;
const __u16 lport = inet->num;
const __be16 fport = inet->dport;
- return inet6_ehashfn(laddr, lport, faddr, fport);
+ struct net *net = sock_net(sk);
+
+ return inet6_ehashfn(net, laddr, lport, faddr, fport);
}
-extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk);
+extern void __inet6_hash(struct sock *sk);
/*
* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
*
* The sockhash lock must be held as a reader here.
*/
-extern struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
+extern struct sock *__inet6_lookup_established(struct net *net,
+ struct inet_hashinfo *hashinfo,
const struct in6_addr *saddr,
const __be16 sport,
const struct in6_addr *daddr,
const u16 hnum,
const int dif);
-extern struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
+extern struct sock *inet6_lookup_listener(struct net *net,
+ struct inet_hashinfo *hashinfo,
const struct in6_addr *daddr,
const unsigned short hnum,
const int dif);
-static inline struct sock *__inet6_lookup(struct inet_hashinfo *hashinfo,
+static inline 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 u16 hnum,
const int dif)
{
- struct sock *sk = __inet6_lookup_established(hashinfo, saddr, sport,
- daddr, hnum, dif);
+ struct sock *sk = __inet6_lookup_established(net, hashinfo, saddr,
+ sport, daddr, hnum, dif);
if (sk)
return sk;
- return inet6_lookup_listener(hashinfo, daddr, hnum, dif);
+ 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)
+{
+ struct sock *sk;
+
+ if (unlikely(sk = skb_steal_sock(skb)))
+ return sk;
+ else 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 inet_hashinfo *hashinfo,
+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,
const int dif);