--- /dev/null
+. /etc/functions.sh
+
+port_net_echo() {
+ [ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null ] {
+ if [ "$pi_preinit_net_messages" = "y" ] || [ "$pi_failsafe_net_message" = "true"] && [ "$pi_preinit_no_failsafe_netmsg" != "y" ]; then
+ netmsg $pi_broadcast "$1"
+ }
+ }
+}
+
+preinit_ip_deconfig() {
+ if [ -z "$pi_ifname" ]; then
+ ifconfig $ifname 0.0.0.0 down
+ else
+ grep "$pi_ifname" /proc/net/dev >/dev/null && {
+ ifconfig $pi_ifname 0.0.0.0 down
+ }
+ fi
+}
+
+preinit_net_echo() {
+ preinit_ip
+
+ [ -d /proc/switch/eth0 ] && [ "$pi_ifname" = "eth0" ] && {
+ echo 1 > /proc/switch/eth0/reset
+
+ # this would be easier if we blasted the message across all ports
+ # but we don't want packets leaking across interfaces
+ for port in $(seq 0 4); do {
+ echo "$port ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
+ port_net_echo $1
+ }; done
+ } || port_net_echo $1
+
+ preinit_ip_deconfig
+}
+
+