target/linux/brcm47xx/base-files/lib/preinit/15_set_preinit_interface_brcm

   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 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
  35
  36         } || port_net_echo $1
  37 }