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authorEric Dumazet <edumazet@google.com>2017-10-27 17:47:32 +0300
committerDavid S. Miller <davem@davemloft.net>2017-10-28 13:24:39 +0300
commitc26e91f8b9b8e1fd252e07c1f60e50220cd7ebab (patch)
tree5f0d0b02bde533de08ef07d5e670f0815be84d3e /net/ipv4
parent23a7102a2d1068508fa2a0ce593a0df7f8fdc0ac (diff)
downloadlinux-c26e91f8b9b8e1fd252e07c1f60e50220cd7ebab.tar.xz
tcp: Namespace-ify sysctl_tcp_pacing_ca_ratio
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/sysctl_net_ipv4.c18
-rw-r--r--net/ipv4/tcp_input.c4
-rw-r--r--net/ipv4/tcp_ipv4.c1
3 files changed, 11 insertions, 12 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 7f0dba852d47..4602af6d5358 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -493,15 +493,6 @@ static struct ctl_table ipv4_table[] = {
.proc_handler = proc_allowed_congestion_control,
},
{
- .procname = "tcp_pacing_ca_ratio",
- .data = &sysctl_tcp_pacing_ca_ratio,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &thousand,
- },
- {
.procname = "tcp_available_ulp",
.maxlen = TCP_ULP_BUF_MAX,
.mode = 0444,
@@ -1145,6 +1136,15 @@ static struct ctl_table ipv4_net_table[] = {
.extra1 = &zero,
.extra2 = &thousand,
},
+ {
+ .procname = "tcp_pacing_ca_ratio",
+ .data = &init_net.ipv4.sysctl_tcp_pacing_ca_ratio,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &thousand,
+ },
{ }
};
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 29539d39e61a..21c358c0cf2e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -767,8 +767,6 @@ static void tcp_rtt_estimator(struct sock *sk, long mrtt_us)
tp->srtt_us = max(1U, srtt);
}
-int sysctl_tcp_pacing_ca_ratio __read_mostly = 120;
-
static void tcp_update_pacing_rate(struct sock *sk)
{
const struct tcp_sock *tp = tcp_sk(sk);
@@ -788,7 +786,7 @@ static void tcp_update_pacing_rate(struct sock *sk)
if (tp->snd_cwnd < tp->snd_ssthresh / 2)
rate *= sock_net(sk)->ipv4.sysctl_tcp_pacing_ss_ratio;
else
- rate *= sysctl_tcp_pacing_ca_ratio;
+ rate *= sock_net(sk)->ipv4.sysctl_tcp_pacing_ca_ratio;
rate *= max(tp->snd_cwnd, tp->packets_out);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 1d8fc663af51..7c1dae6493c3 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2508,6 +2508,7 @@ static int __net_init tcp_sk_init(struct net *net)
net->ipv4.sysctl_tcp_autocorking = 1;
net->ipv4.sysctl_tcp_invalid_ratelimit = HZ/2;
net->ipv4.sysctl_tcp_pacing_ss_ratio = 200;
+ net->ipv4.sysctl_tcp_pacing_ca_ratio = 120;
net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE;
spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock);