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tcp: Namespace-ify sysctl_tcp_thin_linear_timeouts

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Note that sysctl_tcp_thin_dupack was not used, I deleted it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-10-26 21:54:58 -07:00 • committed by David S. Miller
parent e20223f196
commit 2c04ac8ae0
4 changed files with 9 additions and 12 deletions
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4
net/ipv4/tcp_timer.c
View file

@ -22,8 +22,6 @@
#include <linux/gfp.h>
#include <net/tcp.h>
int sysctl_tcp_thin_linear_timeouts __read_mostly;
/**
* tcp_write_err() - close socket and save error info
* @sk: The socket the error has appeared on.
@ -522,7 +520,7 @@ out_reset_timer:
* linear-timeout retransmissions into a black hole
*/
if (sk->sk_state == TCP_ESTABLISHED &&
(tp->thin_lto || sysctl_tcp_thin_linear_timeouts) &&
(tp->thin_lto || net->ipv4.sysctl_tcp_thin_linear_timeouts) &&
tcp_stream_is_thin(tp) &&
icsk->icsk_retransmits <= TCP_THIN_LINEAR_RETRIES) {
icsk->icsk_backoff = 0;