diff options
| author |   Eric Dumazet <edumazet@google.com> | 2017-11-07 00:29:28 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-11-10 14:34:58 +0900 |
| commit | 356d1833b638bd465672aefeb71def3ab93fc17d (patch) | |
| tree | 68354249261e8de8d367bfc21bb2969ecb9053d6 /net/ipv4/sysctl_net_ipv4.c | |
| parent | net: allow per netns sysctl_rmem and sysctl_wmem for protos (diff) | |
| download | linux-dev-356d1833b638bd465672aefeb71def3ab93fc17d.tar.xz linux-dev-356d1833b638bd465672aefeb71def3ab93fc17d.zip | |
tcp: Namespace-ify sysctl_tcp_rmem and sysctl_tcp_wmem
Note that when a new netns is created, it inherits its
sysctl_tcp_rmem and sysctl_tcp_wmem from initial netns.
This change is needed so that we can refine TCP rcvbuf autotuning,
to take RTT into consideration.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Wei Wang <weiwan@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index a82b44038308..ef0ff3357a44 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -441,22 +441,6 @@ static struct ctl_table ipv4_table[] = { .proc_handler = proc_doulongvec_minmax, }, { - .procname = "tcp_wmem", - .data = &sysctl_tcp_wmem, - .maxlen = sizeof(sysctl_tcp_wmem), - .mode = 0644, - .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - }, - { - .procname = "tcp_rmem", - .data = &sysctl_tcp_rmem, - .maxlen = sizeof(sysctl_tcp_rmem), - .mode = 0644, - .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - }, - { .procname = "tcp_low_latency", .data = &sysctl_tcp_low_latency, .maxlen = sizeof(int), @@ -1164,6 +1148,22 @@ static struct ctl_table ipv4_net_table[] = { .extra1 = &zero, .extra2 = &thousand, }, + { + .procname = "tcp_wmem", + .data = &init_net.ipv4.sysctl_tcp_wmem, + .maxlen = sizeof(init_net.ipv4.sysctl_tcp_wmem), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &one, + }, + { + .procname = "tcp_rmem", + .data = &init_net.ipv4.sysctl_tcp_rmem, + .maxlen = sizeof(init_net.ipv4.sysctl_tcp_rmem), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &one, + }, { } }; |