Author: eugen
Date: Wed Nov 8 16:53:11 2017
New Revision: 325559
URL: https://svnweb.freebsd.org/changeset/base/325559
Log:
Add suitable knob ifconfig_<interface>_descr for static interface description.
Document availability of interface descriptions within rc.conf(5).
Approved by: avg (mentor), mav (mentor)
MFC after: 3 days
Modified:
head/etc/network.subr
head/share/man/man5/rc.conf.5
Modified: head/etc/network.subr
==============================================================================
--- head/etc/network.subr Wed Nov 8 16:45:53 2017 (r325558)
+++ head/etc/network.subr Wed Nov 8 16:53:11 2017 (r325559)
@@ -122,7 +122,7 @@ ifn_vnet0()
#
ifconfig_up()
{
- local _cfg _ipv6_opts ifconfig_args
+ local _cfg _ifconfig_descr _ipv6_opts ifconfig_args
_cfg=1
# Make sure lo0 always comes up.
@@ -213,6 +213,11 @@ ifconfig_up()
ifalias $1 link alias
ifalias $1 ether alias
+
+ _ifconfig_descr=`get_if_var $1 ifconfig_IF_descr`
+ if [ -n "${_ifconfig_descr}" ]; then
+ ${IFCONFIG_CMD} $1 description "${_ifconfig_descr}"
+ fi
if wpaif $1; then
/etc/rc.d/wpa_supplicant start $1
Modified: head/share/man/man5/rc.conf.5
==============================================================================
--- head/share/man/man5/rc.conf.5 Wed Nov 8 16:45:53 2017
(r325558)
+++ head/share/man/man5/rc.conf.5 Wed Nov 8 16:53:11 2017
(r325559)
@@ -1616,6 +1616,23 @@ is set to 1.
.Pp
Default is
.Dq Li NO .
+.It Va ifconfig_ Ns Ao Ar interface Ac Ns _descr
+.Pq Vt str
+This assigns arbitrary description to an interface.
+The
+.Xr sysctl 8
+variable
+.Va net.ifdescr_maxlen
+limits its length.
+This static setting may be overridden by commands
+started with dynamic interface configuration utilities
+like
+.Xr dhclient 8
+hooks. The description can be seen with
+.Xr ifconfig 8
+command and it may be exported with
+.Xr bsnmpd 1
+daemon using its MIB-2 module.
.It Va ifconfig_ Ns Ao Ar interface Ac Ns _ipv6
.Pq Vt str
IPv6 functionality on an interface should be configured by
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