Allow configuration of bond via extra sysfs entries, #105.

doc/net.example.Linux.in

@@ -576,6 +576,11 @@
 #slaves_bond0="eth0 eth1 eth2"
 #config_bond0="null" # You may not want to assign an IP the the bond
 
+# You can also configure the bond here, which must be done via sysfs on 2.6
+# kernels or newer. See the kernel bonding documention for a description of
+# these options.
+#arp_ip_target_bond0="+26.0.0.0"
+
 # If any of the slaves require extra configuration - for example wireless or
 # ppp devices - we need to depend function on the bonded interfaces
 #rc_need_bond0="net.eth0 net.eth1"

net/bonding.sh

@@ -15,7 +15,7 @@ _is_bond()
 
 bonding_pre_start()
 {
-	local s= slaves="$(_get_array "slaves_${IFVAR}")" 
+	local x= s= slaves="$(_get_array "slaves_${IFVAR}")" 
 
 	[ -z "${slaves}" ] && return 0
 
@@ -39,6 +39,16 @@ bonding_pre_start()
 		return 1
 	fi
 
+	# Configure the bond.
+	# Nice and dynamic :)
+	for x in /sys/class/net/"${IFACE}"/bonding/*; do
+		[ -f "${x}" ] || continue
+		eval s=\$${x##*/}_${IFVAR}
+		if [ -n "${s}" ]; then
+			echo "${s}" >"${x}"
+		fi
+	done
+
 	ebegin "Adding slaves to ${IFACE}"
 	eindent
 	einfo "${slaves}"