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sctp: add sysctl net.sctp.l3mdev_accept

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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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2022-11-16 15:01:21 -05:00 committed by David S. Miller
parent 0af0317063
commit b712d0328c
2 changed files with 20 additions and 0 deletions
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9
Documentation/networking/ip-sysctl.rst
View File

@ -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/*``
========================

11
net/sctp/sysctl.c
View File

@ -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,