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-rw-r--r--net/ipv4/tcp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 4bd6d52eeffb..eb1dde37e678 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2916,6 +2916,14 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
case TCP_USER_TIMEOUT:
val = jiffies_to_msecs(icsk->icsk_user_timeout);
break;
+
+ case TCP_FASTOPEN:
+ if (icsk->icsk_accept_queue.fastopenq != NULL)
+ val = icsk->icsk_accept_queue.fastopenq->max_qlen;
+ else
+ val = 0;
+ break;
+
case TCP_TIMESTAMP:
val = tcp_time_stamp + tp->tsoffset;
break;