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tcp: add init_seq method to tcp_request_sock_ops

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More work in preparation of unifying tcp_v4_conn_request and
tcp_v6_conn_request: indirect the init sequence calls via the
tcp_request_sock_ops.

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 17:09:57 +03:00
committed by David S. Miller
parent 9403715977
commit 936b8bdb53
3 changed files with 6 additions and 3 deletions
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5
net/ipv4/tcp_ipv4.c
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@@ -99,7 +99,7 @@ static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key,
struct inet_hashinfo tcp_hashinfo;
EXPORT_SYMBOL(tcp_hashinfo);
static inline __u32 tcp_v4_init_sequence(const struct sk_buff *skb)
static __u32 tcp_v4_init_sequence(const struct sk_buff *skb)
{
return secure_tcp_sequence_number(ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
@@ -1284,6 +1284,7 @@ static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
.cookie_init_seq = cookie_v4_init_sequence,
#endif
.route_req = tcp_v4_route_req,
.init_seq = tcp_v4_init_sequence,
};
int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
@@ -1391,7 +1392,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
goto drop_and_release;
}
isn = tcp_v4_init_sequence(skb);
isn = af_ops->init_seq(skb);
}
if (!dst) {
dst = af_ops->route_req(sk, (struct flowi *)&fl4, req, NULL);