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Diffstat (limited to '')
| -rw-r--r-- | net/ipv6/inet6_hashtables.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c index 842d833dfc18..fa7dd3856c55 100644 --- a/net/ipv6/inet6_hashtables.c +++ b/net/ipv6/inet6_hashtables.c @@ -23,6 +23,30 @@ #include <net/secure_seq.h> #include <net/ip.h> +static unsigned int inet6_ehashfn(struct net *net, + const struct in6_addr *laddr, + const u16 lport, + const struct in6_addr *faddr, + const __be16 fport) +{ + const u32 lhash = (__force u32)laddr->s6_addr32[3]; + const u32 fhash = __ipv6_addr_jhash(faddr, ipv6_hash_secret); + return __inet6_ehashfn(lhash, lport, fhash, fport, + inet_ehash_secret + net_hash_mix(net)); +} + +static int inet6_sk_ehashfn(const struct sock *sk) +{ + const struct inet_sock *inet = inet_sk(sk); + const struct in6_addr *laddr = &sk->sk_v6_rcv_saddr; + const struct in6_addr *faddr = &sk->sk_v6_daddr; + const __u16 lport = inet->inet_num; + const __be16 fport = inet->inet_dport; + struct net *net = sock_net(sk); + + return inet6_ehashfn(net, laddr, lport, faddr, fport); +} + int __inet6_hash(struct sock *sk, struct inet_timewait_sock *tw) { struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo; |