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authorEric Dumazet <edumazet@google.com>2017-10-26 21:54:58 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-27 16:35:42 +0900
commit2c04ac8ae0b61e0780a30b7069a11bb202b21f26 (patch)
treecd0ed0c673d26e3a9cdd7fd124f3f28b1877079f /net
parenttcp: Namespace-ify sysctl_tcp_recovery (diff)
downloadlinux-dev-2c04ac8ae0b61e0780a30b7069a11bb202b21f26.tar.xz
linux-dev-2c04ac8ae0b61e0780a30b7069a11bb202b21f26.zip
tcp: Namespace-ify sysctl_tcp_thin_linear_timeouts
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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/sysctl_net_ipv4.c14
-rw-r--r--net/ipv4/tcp_timer.c4
2 files changed, 8 insertions, 10 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 78019adcae87..12003214f4d8 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -621,13 +621,6 @@ static struct ctl_table ipv4_table[] = {
.proc_handler = proc_allowed_congestion_control,
},
{
- .procname = "tcp_thin_linear_timeouts",
- .data = &sysctl_tcp_thin_linear_timeouts,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
- {
.procname = "tcp_min_tso_segs",
.data = &sysctl_tcp_min_tso_segs,
.maxlen = sizeof(int),
@@ -1145,6 +1138,13 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "tcp_thin_linear_timeouts",
+ .data = &init_net.ipv4.sysctl_tcp_thin_linear_timeouts,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
{ }
};
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 804a8d34ce86..035a1ef1f2d8 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -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;