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>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f86a86b..8c69e44 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1264,6 +1264,9 @@
.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 @@
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
