brcm63xx: Fixed vlan packet leakage in preinit for known devices with a switch on...
[openwrt.git] / target / linux / brcm63xx / base-files / lib / preinit / 15_set_preinit_interface_brcm63xx
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 $pi_ifname 0.0.0.0 down
17                 }
18         fi
19         [ -d /proc/switch/eth1 ] && [ "$ifname" = "eth1" ] && {
20                 echo 1 >/proc/switch/eth1/reset
21                 echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth1/vlan/0/ports
22         }
23
24 }
25
26 preinit_net_echo() {
27         preinit_ip
28         
29         [ -d /proc/switch/eth1 ] && [ "$ifname" = "eth1" ] && {
30                 echo 1 >/proc/switch/eth1/reset
31
32                 # this would be easier if we blasted the message across all ports
33                 # but we don't want packets leaking across interfaces
34                 for port in $(seq 0 4); do {
35                         echo "$port ${cpu_port:-5u*}" > /proc/switch/eth1/vlan/0/ports
36                         port_net_echo $1
37                 }; done
38                 
39                 echo "0 ${cpu_port:-5u*}" > /proc/switch/eth1/vlan/0/ports
40                 
41         } || port_net_echo $1
42 }
43
44