| 1 | #!/bin/sh |
| 2 | |
| 3 | port_net_echo() { |
| 4 | [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && { |
| 5 | if [ "$pi_preinit_net_messages" = "y" ] || [ "$pi_failsafe_net_message" = "true" ] && [ "$pi_preinit_no_failsafe_netmsg" != "y" ]; then |
| 6 | netmsg $pi_broadcast "$1" |
| 7 | fi |
| 8 | } |
| 9 | } |
| 10 | |
| 11 | preinit_ip_deconfig() { |
| 12 | if [ -z "$pi_ifname" ]; then |
| 13 | ifconfig $ifname 0.0.0.0 down |
| 14 | else |
| 15 | grep -q "$pi_ifname" /proc/net/dev && { |
| 16 | ifconfig $pi_ifname 0.0.0.0 down |
| 17 | } |
| 18 | fi |
| 19 | } |
| 20 | |
| 21 | preinit_net_echo() { |
| 22 | preinit_ip |
| 23 | |
| 24 | [ -d /proc/switch/eth0 ] && [ "$pi_ifname" = "eth0" ] && { |
| 25 | echo 1 > /proc/switch/eth0/reset |
| 26 | |
| 27 | # this would be easier if we blasted the message across all ports |
| 28 | # but we don't want packets leaking across interfaces |
| 29 | for port in $(seq 0 4); do { |
| 30 | echo "$port ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports |
| 31 | port_net_echo $1 |
| 32 | }; done |
| 33 | |
| 34 | echo "0 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports |
| 35 | |
| 36 | } || port_net_echo $1 |
| 37 | } |
| 38 | |
| 39 | |
| 40 | |
