. /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 }