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authorEric Dumazet <edumazet@google.com>2017-10-26 21:55:04 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-27 16:35:42 +0900
commit0bc65a28ae2aeb14aab7f4a930e0d8cf4cad9dc4 (patch)
tree2b58d32f2cb34dc7c21a2b2a1a2cfaa0d24c31c8 /net/ipv4
parenttcp: Namespace-ify sysctl_tcp_abort_on_overflow (diff)
downloadlinux-dev-0bc65a28ae2aeb14aab7f4a930e0d8cf4cad9dc4.tar.xz
linux-dev-0bc65a28ae2aeb14aab7f4a930e0d8cf4cad9dc4.zip
tcp: Namespace-ify sysctl_tcp_fack
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.c14
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_input.c3
-rw-r--r--net/ipv4/tcp_minisocks.c2
4 files changed, 10 insertions, 11 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index ffd1fd769bba..1f23be13ce7b 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -415,13 +415,6 @@ static struct ctl_table ipv4_table[] = {
.proc_handler = proc_dointvec_jiffies,
},
{
- .procname = "tcp_fack",
- .data = &sysctl_tcp_fack,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
- {
.procname = "tcp_max_reordering",
.data = &sysctl_tcp_max_reordering,
.maxlen = sizeof(int),
@@ -1145,6 +1138,13 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
+ {
+ .procname = "tcp_fack",
+ .data = &init_net.ipv4.sysctl_tcp_fack,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
{ }
};
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f6e1c00e300e..c7c983f0f817 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2517,7 +2517,7 @@ static int tcp_repair_options_est(struct sock *sk,
return -EINVAL;
tp->rx_opt.sack_ok |= TCP_SACK_SEEN;
- if (sysctl_tcp_fack)
+ if (sock_net(sk)->ipv4.sysctl_tcp_fack)
tcp_enable_fack(tp);
break;
case TCPOPT_TIMESTAMP:
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 64fde81b0eb7..c5b94460793f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -79,7 +79,6 @@
#include <linux/unaligned/access_ok.h>
#include <linux/static_key.h>
-int sysctl_tcp_fack __read_mostly;
int sysctl_tcp_max_reordering __read_mostly = 300;
int sysctl_tcp_dsack __read_mostly = 1;
int sysctl_tcp_app_win __read_mostly = 31;
@@ -5720,7 +5719,7 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
tp->tcp_header_len = sizeof(struct tcphdr);
}
- if (tcp_is_sack(tp) && sysctl_tcp_fack)
+ if (tcp_is_sack(tp) && sock_net(sk)->ipv4.sysctl_tcp_fack)
tcp_enable_fack(tp);
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 3674d63170b2..3270ab8416ce 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -510,7 +510,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk,
newtp->rx_opt.tstamp_ok = ireq->tstamp_ok;
if ((newtp->rx_opt.sack_ok = ireq->sack_ok) != 0) {
- if (sysctl_tcp_fack)
+ if (sock_net(sk)->ipv4.sysctl_tcp_fack)
tcp_enable_fack(newtp);
}
newtp->window_clamp = req->rsk_window_clamp;