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Diffstat (limited to 'net/ipv4/syncookies.c')
-rw-r--r--net/ipv4/syncookies.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index b35a950d2e06..cd2b97f1b6e1 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -161,13 +161,12 @@ static __u16 const msstab[] = {
*/
__u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp)
{
- struct tcp_sock *tp = tcp_sk(sk);
const struct iphdr *iph = ip_hdr(skb);
const struct tcphdr *th = tcp_hdr(skb);
int mssind;
const __u16 mss = *mssp;
- tp->last_synq_overflow = jiffies;
+ tcp_synq_overflow(sk);
/* XXX sort msstab[] by probability? Binary search? */
for (mssind = 0; mss > msstab[mssind + 1]; mssind++)
@@ -268,7 +267,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
if (!sysctl_tcp_syncookies || !th->ack)
goto out;
- if (time_after(jiffies, tp->last_synq_overflow + TCP_TIMEOUT_INIT) ||
+ if (tcp_synq_no_recent_overflow(sk) ||
(mss = cookie_check(skb, cookie)) == 0) {
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESFAILED);
goto out;