tcp: add tcp_sock_set_keepcnt

Add a helper to directly set the TCP_KEEPCNT sockopt from kernel space
without going through a fake uaccess.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-05-28 07:12:25 +02:00
committed by David S. Miller
parent d41ecaac90
commit 480aeb9639
5 changed files with 18 additions and 17 deletions

View File

@@ -498,6 +498,7 @@ int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount,
int shiftlen);
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(struct sock *sk, int val);
int tcp_sock_set_keepintvl(struct sock *sk, int val);
void tcp_sock_set_nodelay(struct sock *sk);