Date: Mon, 5 May 2003 22:29:35 -0700 From: "Sean Hamilton" <sh@planetquake.com> To: <hackers@freebsd.org> Subject: Bridge config in /etc/rc (patch) Message-ID: <011901c31390$7aef5730$0300000a@antalus>
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Greetings,
As I manage three FreeBSD bridges, I found it somewhat irritating that there
was no convenient way of doing so. Thus, this patch. Should it get approved,
I'll write diffs for the man pages, /etc/defaults/rc.conf, and anything else
which needs it.
I've updated both the old /etc/rc.network and the new rcng stuff, though
only the latter is tested.
Configuration goes like this:
bridge_enable="YES"
bridge_ifaces="fxp0,fxp1,fxp2"
or, for multiple bridges
bridge_enable="YES"
bridge0_ifaces="fxp3,fxp4,fxp5"
bridge1_ifaces="rl0,rl1,dc0"
Both comma-separated and space-separated lists are accepted.
Also allowed:
bridge_ipfw="YES"
bridge_ipfilter="YES"
I've also added an option, "ip_any_interface=YES" which sets
net.inet.ip.check_interface to 0. This felt more natural than having the
option, "ip_check_interface=NO".
This is a first for me on several counts, so hopefully I've got everything
right. Or should I be submitting this as a PR? It's not really a problem,
so...
sh
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diff -Nru etcorig/rc.d/bridge etc/rc.d/bridge=0A=
--- etcorig/rc.d/bridge Wed Dec 31 16:00:00 1969=0A=
+++ etc/rc.d/bridge Mon May 5 22:08:11 2003=0A=
@@ -0,0 +1,85 @@=0A=
+#!/bin/sh -x=0A=
+=0A=
+# PROVIDE: bridge=0A=
+# REQUIRE: ipfw ip6fw ipfilter=0A=
+# KEYWORD: FreeBSD=0A=
+=0A=
+. /etc/rc.subr=0A=
+=0A=
+name=3D"bridge"=0A=
+start_cmd=3D"bridge_start"=0A=
+stop_cmd=3D"bridge_stop"=0A=
+=0A=
+bridge_start()=0A=
+{=0A=
+ case ${bridge_enable} in=0A=
+ [Yy][Ee][Ss])=0A=
+=0A=
+ bridge_in_kernel=3D1=0A=
+=0A=
+ if ! sysctl net.link.ether.bridge >/dev/null 2>&1; then=0A=
+ if kldload bridge; then=0A=
+ echo 'Bridge module loaded'=0A=
+ else=0A=
+ echo 'Warning: Bridge module failed to load.'=0A=
+ bridge_in_kernel=3D0=0A=
+ fi=0A=
+ fi=0A=
+=0A=
+ if [ "${bridge_in_kernel}" -eq 1 ]; then=0A=
+=0A=
+ bridgenum=3D=0A=
+ bridgecfg=3D=0A=
+=0A=
+ while : ; do=0A=
+ eval bridge_args=3D\$bridge${bridgenum}_ifaces=0A=
+ if [ -n "${bridge_args}" ]; then=0A=
+ bridge_args=3D`echo -n "${bridge_args}" | sed 's/,/ /'`=0A=
+ for iface in ${bridge_args}; do=0A=
+ if [ -n "${bridgecfg}" ]; then=0A=
+ bridgecfg=3D${bridgecfg},=0A=
+ fi=0A=
+ bridgecfg=3D${bridgecfg}${iface}:$((${bridgenum:--1} + 1))=0A=
+ done=0A=
+ else=0A=
+ if [ -n "${bridgenum}" ]; then=0A=
+ break;=0A=
+ fi=0A=
+ fi=0A=
+ bridgenum=3D$((${bridgenum:--1} + 1))=0A=
+ done=0A=
+=0A=
+ case ${bridge_ipfw} in=0A=
+ [Yy][Ee][Ss])=0A=
+ sysctl net.link.ether.bridge_ipfw=3D1 >/dev/null=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
+ case ${bridge_ipfilter} in=0A=
+ [Yy][Ee][Ss])=0A=
+ sysctl net.link.ether.bridge_ipf=3D1 >/dev/null=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
+ sysctl net.link.ether.bridge_cfg=3D"${bridgecfg}" >/dev/null=0A=
+ sysctl net.link.ether.bridge=3D1 >/dev/null=0A=
+ fi=0A=
+ ;;=0A=
+ esac=0A=
+}=0A=
+=0A=
+bridge_stop()=0A=
+{=0A=
+ sysctl net.link.ether.bridge=3D0 >/dev/null=0A=
+ sysctl net.link.ether.bridge_cfg=3D >/dev/null=0A=
+ sysctl net.link.ether.bridge_ipfw=3D0 >/dev/null=0A=
+ sysctl net.link.ether.bridge_ipf=3D0 >/dev/null=0A=
+=0A=
+ if kldstat -n bridge >/dev/null 2>&1; then=0A=
+ kldunload bridge=0A=
+ fi=0A=
+}=0A=
+=0A=
+load_rc_config $name=0A=
+run_rc_command "$1"=0A=
+=0A=
diff -Nru etcorig/rc.d/network2 etc/rc.d/network2=0A=
--- etcorig/rc.d/network2 Mon May 5 22:05:19 2003=0A=
+++ etc/rc.d/network2 Mon May 5 22:05:42 2003=0A=
@@ -115,6 +115,13 @@=0A=
;;=0A=
esac=0A=
=0A=
+ case ${ip_any_interface} in=0A=
+ [Yy][Ee][Ss])=0A=
+ echo -n ' any interface=3DYES'=0A=
+ sysctl net.inet.ip.check_interface=3D0 >/dev/null=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
case ${ip_portrange_first} in=0A=
[Nn][Oo] | '')=0A=
;;=0A=
diff -Nru etcorig/rc.network etc/rc.network=0A=
--- etcorig/rc.network Mon May 5 21:58:12 2003=0A=
+++ etc/rc.network Mon May 5 21:59:50 2003=0A=
@@ -393,6 +393,66 @@=0A=
;;=0A=
esac=0A=
=0A=
+ # Bridge=0A=
+ #=0A=
+ case ${bridge_enable} in=0A=
+ [Yy][Ee][Ss])=0A=
+=0A=
+ bridge_in_kernel=3D1=0A=
+ if ! sysctl net.link.ether.bridge >/dev/null 2>&1; then=0A=
+ if kldload bridge; then=0A=
+ echo 'Bridge module loaded'=0A=
+ else=0A=
+ echo 'Warning: Bridge module failed to load.'=0A=
+ bridge_in_kernel=3D0=0A=
+ fi=0A=
+ fi=0A=
+=0A=
+ if [ "${bridge_in_kernel}" -eq 1 ]; then=0A=
+ bridgenum=3D=0A=
+ bridgecfg=3D=0A=
+ while : ; do=0A=
+ eval bridge_args=3D\$bridge${bridgenum}_ifaces=0A=
+ if [ -n "${bridge_args}" ]; then=0A=
+ bridge_args=3D`echo -n "${bridge_args}" | sed 's/,/ /'`=0A=
+ for iface in ${bridge_args}; do=0A=
+ if [ -n "${bridgecfg}" ]; then=0A=
+ bridgecfg=3D${bridgecfg},=0A=
+ fi=0A=
+ bridgecfg=3D${bridgecfg}${iface}:$((${bridgenum:--1} + 1))=0A=
+ done=0A=
+ else=0A=
+ if [ -n "${bridgenum}" ]; then=0A=
+ break;=0A=
+ fi=0A=
+ fi=0A=
+ bridgenum=3D$((${bridgenum:--1} + 1))=0A=
+ done=0A=
+=0A=
+ case ${bridge_ipfw} in=0A=
+ [Yy][Ee][Ss])=0A=
+ sysctl net.link.ether.bridge_ipfw=3D1 >/dev/null=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
+ case ${bridge_ipfilter} in=0A=
+ [Yy][Ee][Ss])=0A=
+ sysctl net.link.ether.bridge_ipf=3D1 >/dev/null=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
+ sysctl net.link.ether.bridge_cfg=3D"${bridgecfg}" >/dev/null=0A=
+ sysctl net.link.ether.bridge=3D1 >/dev/null=0A=
+ fi=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
+ case ${ip_any_interface} in=0A=
+ [Yy][Ee][Ss])=0A=
+ sysctl net.inet.ip.check_interface=3D0 >/dev/null=0A=
+ ;;=0A=
+ esac=0A=
+=0A=
# Additional ATM interface configuration=0A=
#=0A=
if [ -n "${atm_pass1_done}" ]; then=0A=
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