tcp: add init_cookie_seq method to tcp_request_sock_ops

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

View File

@@ -761,6 +761,9 @@ static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
.calc_md5_hash = tcp_v6_md5_hash_skb,
#endif
.init_req = tcp_v6_init_req,
#ifdef CONFIG_SYN_COOKIES
.cookie_init_seq = cookie_v6_init_sequence,
#endif
};
static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
@@ -1061,7 +1064,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
if (!isn) {
if (want_cookie) {
isn = cookie_v6_init_sequence(sk, skb, &req->mss);
isn = cookie_init_sequence(af_ops, sk, skb, &req->mss);
req->cookie_ts = tmp_opt.tstamp_ok;
goto have_isn;
}