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tcp: Expose tcp_sock_set_keepidle_locked

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This is preparation for usage in bpf_setsockopt.

v2:
  - remove redundant EXPORT_SYMBOL (Alexei Starovoitov)

Signed-off-by: Dmitry Yakunin <zeil@yandex-team.ru>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200620153052.9439-2-zeil@yandex-team.ru
This commit is contained in:
Dmitry Yakunin 2020-06-20 18:30:51 +03:00 committed by Alexei Starovoitov
parent dfde1d7dee
commit aad4a0a951
2 changed files with 4 additions and 3 deletions
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1
include/linux/tcp.h
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@ -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);

6
net/ipv4/tcp.c
View File

@ -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)