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| author |   Christoph Hellwig <hch@lst.de> | 2020-05-28 07:12:22 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-05-28 11:11:45 -0700 |
| commit | c488aeadcbd002a992593e6090d54e8ac27c4310 (patch) | |
| tree | 88fa0208206176037a7bd7fba3784e92c00e6988 /net/ipv4 | |
| parent | tcp: add tcp_sock_set_syncnt (diff) | |
| download | linux-dev-c488aeadcbd002a992593e6090d54e8ac27c4310.tar.xz linux-dev-c488aeadcbd002a992593e6090d54e8ac27c4310.zip | |
tcp: add tcp_sock_set_user_timeout
Add a helper to directly set the TCP_USER_TIMEOUT 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>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/tcp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index d2c67ae1da07..0004bd9ae7b0 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2893,6 +2893,14 @@ int tcp_sock_set_syncnt(struct sock *sk, int val) } EXPORT_SYMBOL(tcp_sock_set_syncnt); +void tcp_sock_set_user_timeout(struct sock *sk, u32 val) +{ + lock_sock(sk); + inet_csk(sk)->icsk_user_timeout = val; + release_sock(sk); +} +EXPORT_SYMBOL(tcp_sock_set_user_timeout); + /* * Socket option code for TCP. */ |