[PATCH net-next 6/7] sctp: add sysctl net.sctp.l3mdev_accept
From: Xin Long <lucien.xin@gmail.com>
Date: 2022-11-13 16:45:09
Also in:
linux-sctp
Subsystem:
documentation, networking [general], sctp protocol, the rest · Maintainers:
Jonathan Corbet, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Marcelo Ricardo Leitner, Xin Long, Linus Torvalds
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> --- 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 815efc89ad73..096ed1a82cbc 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst@@ -3100,6 +3100,15 @@ 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