From aad4a0a9513af962137c4842463d11ed491eec37 Mon Sep 17 00:00:00 2001 From: Dmitry Yakunin Date: Sat, 20 Jun 2020 18:30:51 +0300 Subject: [PATCH] tcp: Expose tcp_sock_set_keepidle_locked This is preparation for usage in bpf_setsockopt. v2: - remove redundant EXPORT_SYMBOL (Alexei Starovoitov) Signed-off-by: Dmitry Yakunin Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20200620153052.9439-2-zeil@yandex-team.ru --- include/linux/tcp.h | 1 + net/ipv4/tcp.c | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 9aac824c523c..3bdec31ce8f4 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -499,6 +499,7 @@ int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, void tcp_sock_set_cork(struct sock *sk, bool on); int tcp_sock_set_keepcnt(struct sock *sk, int val); +int tcp_sock_set_keepidle_locked(struct sock *sk, int val); int tcp_sock_set_keepidle(struct sock *sk, int val); int tcp_sock_set_keepintvl(struct sock *sk, int val); void tcp_sock_set_nodelay(struct sock *sk); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 810cc164f795..de36c91d32ea 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2957,7 +2957,7 @@ void tcp_sock_set_user_timeout(struct sock *sk, u32 val) } EXPORT_SYMBOL(tcp_sock_set_user_timeout); -static int __tcp_sock_set_keepidle(struct sock *sk, int val) +int tcp_sock_set_keepidle_locked(struct sock *sk, int val) { struct tcp_sock *tp = tcp_sk(sk); @@ -2984,7 +2984,7 @@ int tcp_sock_set_keepidle(struct sock *sk, int val) int err; lock_sock(sk); - err = __tcp_sock_set_keepidle(sk, val); + err = tcp_sock_set_keepidle_locked(sk, val); release_sock(sk); return err; } @@ -3183,7 +3183,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, break; case TCP_KEEPIDLE: - err = __tcp_sock_set_keepidle(sk, val); + err = tcp_sock_set_keepidle_locked(sk, val); break; case TCP_KEEPINTVL: if (val < 1 || val > MAX_TCP_KEEPINTVL)