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tcp: add init_cookie_seq method to tcp_request_sock_ops

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Move the specific IPv4/IPv6 cookie sequence initialization to a new
method in tcp_request_sock_ops in preparation for unifying
tcp_v4_conn_request and tcp_v6_conn_request.

Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Octavian Purdila
2014-06-25 17:09:54 +03:00
committed by David S. Miller
parent 16bea70aa7
commit fb7b37a7f3
3 changed files with 28 additions and 16 deletions
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5
net/ipv4/tcp_ipv4.c
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@@ -1264,6 +1264,9 @@ static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
.calc_md5_hash = tcp_v4_md5_hash_skb,
#endif
.init_req = tcp_v4_init_req,
#ifdef CONFIG_SYN_COOKIES
.cookie_init_seq = cookie_v4_init_sequence,
#endif
};
int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
@@ -1331,7 +1334,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
TCP_ECN_create_request(req, skb, sock_net(sk));
if (want_cookie) {
isn = cookie_v4_init_sequence(sk, skb, &req->mss);
isn = cookie_init_sequence(af_ops, sk, skb, &req->mss);
req->cookie_ts = tmp_opt.tstamp_ok;
} else if (!isn) {
/* VJ's idea. We save last timestamp seen