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tcp: add tcp_sock_set_keepidle

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Add a helper to directly set the TCP_KEEP_IDLE 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 07:12:23 +02:00
committed by David S. Miller
parent c488aeadcb
commit 71c48eb81c
4 changed files with 37 additions and 21 deletions
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include/linux/tcp.h
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@@ -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_keepidle(struct sock *sk, int val);
void tcp_sock_set_nodelay(struct sock *sk);
void tcp_sock_set_quickack(struct sock *sk, int val);
int tcp_sock_set_syncnt(struct sock *sk, int val);