This patch is to add sysctl net.sctp.l3mdev_accept to allow
users to change the pernet global l3mdev_accept.
Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
---
Documentation/networking/ip-sysctl.rst | 9 +++++++++
net/sctp/sysctl.c | 11 +++++++++++
2 files changed, 20 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 727b25cc7ec4..7fbd060d6047 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -3127,6 +3127,15 @@ ecn_enable - BOOLEAN
Default: 1
+l3mdev_accept - BOOLEAN
+ Enabling this option allows a "global" bound socket to work
+ across L3 master domains (e.g., VRFs) with packets capable of
+ being received regardless of the L3 domain in which they
+ originated. Only valid when the kernel was compiled with
+ CONFIG_NET_L3_MASTER_DEV.
+
+ Default: 1 (enabled)
+
``/proc/sys/net/core/*``
========================
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index b46a416787ec..7f40ed117fc7 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -347,6 +347,17 @@ static struct ctl_table sctp_net_table[] = {
.extra1 = &max_autoclose_min,
.extra2 = &max_autoclose_max,
},
+#ifdef CONFIG_NET_L3_MASTER_DEV
+ {
+ .procname = "l3mdev_accept",
+ .data = &init_net.sctp.l3mdev_accept,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
+ },
+#endif
{
.procname = "pf_enable",
.data = &init_net.sctp.pf_enable,
--
2.31.1
