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-rw-r--r--net/ipv4/tcp.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 27b5e7a4e2ef..d2c67ae1da07 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2881,6 +2881,18 @@ void tcp_sock_set_quickack(struct sock *sk, int val)
}
EXPORT_SYMBOL(tcp_sock_set_quickack);
+int tcp_sock_set_syncnt(struct sock *sk, int val)
+{
+ if (val < 1 || val > MAX_TCP_SYNCNT)
+ return -EINVAL;
+
+ lock_sock(sk);
+ inet_csk(sk)->icsk_syn_retries = val;
+ release_sock(sk);
+ return 0;
+}
+EXPORT_SYMBOL(tcp_sock_set_syncnt);
+
/*
* Socket option code for TCP.
*/