sctp: Add sysctl support for Auto-ASCONF.

This patch allows the system administrator to change default
Auto-ASCONF on/off behavior via an sysctl value.

Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 50cb57f0919e..6b3952961b85 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -183,6 +183,13 @@ static ctl_table sctp_table[] = {
                 .proc_handler   = proc_dointvec,
         },
         {
+                .procname       = "default_auto_asconf",
+                .data           = &sctp_default_auto_asconf,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        {
                 .procname       = "prsctp_enable",
                 .data           = &sctp_prsctp_enable,
                 .maxlen         = sizeof(int),