diff options
Diffstat (limited to 'net/ipv6/tcp_ao.c')
| -rw-r--r-- | net/ipv6/tcp_ao.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/net/ipv6/tcp_ao.c b/net/ipv6/tcp_ao.c index d08735b6f3c5..c9a6fa84f6ce 100644 --- a/net/ipv6/tcp_ao.c +++ b/net/ipv6/tcp_ao.c @@ -49,6 +49,17 @@ static int tcp_v6_ao_calc_key(struct tcp_ao_key *mkt, u8 *key, return err; } +int tcp_v6_ao_calc_key_skb(struct tcp_ao_key *mkt, u8 *key, + const struct sk_buff *skb, + __be32 sisn, __be32 disn) +{ + const struct ipv6hdr *iph = ipv6_hdr(skb); + const struct tcphdr *th = tcp_hdr(skb); + + return tcp_v6_ao_calc_key(mkt, key, &iph->saddr, &iph->daddr, + th->source, th->dest, sisn, disn); +} + int tcp_v6_ao_calc_key_sk(struct tcp_ao_key *mkt, u8 *key, const struct sock *sk, __be32 sisn, __be32 disn, bool send) @@ -63,9 +74,21 @@ int tcp_v6_ao_calc_key_sk(struct tcp_ao_key *mkt, u8 *key, htons(sk->sk_num), disn, sisn); } -static struct tcp_ao_key *tcp_v6_ao_do_lookup(const struct sock *sk, - const struct in6_addr *addr, - int sndid, int rcvid) +int tcp_v6_ao_calc_key_rsk(struct tcp_ao_key *mkt, u8 *key, + struct request_sock *req) +{ + struct inet_request_sock *ireq = inet_rsk(req); + + return tcp_v6_ao_calc_key(mkt, key, + &ireq->ir_v6_loc_addr, &ireq->ir_v6_rmt_addr, + htons(ireq->ir_num), ireq->ir_rmt_port, + htonl(tcp_rsk(req)->snt_isn), + htonl(tcp_rsk(req)->rcv_isn)); +} + +struct tcp_ao_key *tcp_v6_ao_do_lookup(const struct sock *sk, + const struct in6_addr *addr, + int sndid, int rcvid) { return tcp_ao_do_lookup(sk, (union tcp_ao_addr *)addr, AF_INET6, sndid, rcvid); @@ -80,6 +103,15 @@ struct tcp_ao_key *tcp_v6_ao_lookup(const struct sock *sk, return tcp_v6_ao_do_lookup(sk, addr, sndid, rcvid); } +struct tcp_ao_key *tcp_v6_ao_lookup_rsk(const struct sock *sk, + struct request_sock *req, + int sndid, int rcvid) +{ + struct in6_addr *addr = &inet_rsk(req)->ir_v6_rmt_addr; + + return tcp_v6_ao_do_lookup(sk, addr, sndid, rcvid); +} + int tcp_v6_ao_hash_pseudoheader(struct tcp_sigpool *hp, const struct in6_addr *daddr, const struct in6_addr *saddr, int nbytes) |