summaryrefslogtreecommitdiffstats
path: root/net/ipv6/syncookies.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/syncookies.c')
-rw-r--r--net/ipv6/syncookies.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 8698b49dfc..12eedc6ca2 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -140,6 +140,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
struct dst_entry *dst;
__u8 rcv_wscale;
u32 tsoff = 0;
+ int l3index;
if (!READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_syncookies) ||
!th->ack || th->rst)
@@ -215,6 +216,10 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
treq->snt_isn = cookie;
treq->ts_off = 0;
treq->txhash = net_tx_rndhash();
+
+ l3index = l3mdev_master_ifindex_by_index(sock_net(sk), ireq->ir_iif);
+ tcp_ao_syncookie(sk, skb, treq, AF_INET6, l3index);
+
if (IS_ENABLED(CONFIG_SMC))
ireq->smc_ok = 0;