add a workaround for the hostapd killed issue when using more than one wifi card...
[openwrt.git] / package / base-files / files / sbin / wifi
1 #!/bin/sh
2 # Copyright (C) 2006 OpenWrt.org
3
4 . /etc/functions.sh
5
6 find_net_config() {(
7         local vif="$1"
8         local cfg
9         local ifname
10
11         config_get cfg "$vif" network
12
13         [ -z "$cfg" ] && {
14                 include /lib/network
15                 scan_interfaces
16
17                 config_get ifname "$vif" ifname
18
19                 cfg="$(find_config "$ifname")"
20         }
21         [ -z "$cfg" ] && return 0
22         echo "$cfg"
23 )}
24
25
26 bridge_interface() {(
27         local cfg="$1"
28         [ -z "$cfg" ] && return 0
29
30         include /lib/network
31         scan_interfaces
32
33         config_get iftype "$cfg" type
34         [ "$iftype" = bridge ] && config_get "$cfg" ifname
35 )}
36
37
38 wifi_updown() {
39         [ enable = "$1" ] && wifi_updown disable "$2"
40         for device in ${2:-$DEVICES}; do (
41                 config_get disabled "$device" disabled
42                 [ 1 == "$disabled" ] && {
43                         echo "'$device' is disabled"
44                         set disable
45                 }
46                 config_get iftype "$device" type
47                 if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then
48                         eval "scan_$iftype '$device'"
49                         eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed"
50                 else
51                         echo "$device($iftype): Interface type not supported"
52                 fi
53         ); done
54 }
55
56 wifi_detect() {
57         for driver in ${2:-$DRIVERS}; do (
58                 if eval "type detect_$driver" 2>/dev/null >/dev/null; then
59                         eval "detect_$driver" || echo "$driver: Detect failed" >&2
60                 else
61                         echo "$driver: Hardware detection not supported" >&2
62                 fi
63         ); done
64 }
65
66 start_net() {(
67         local iface="$1"
68         local config="$2"
69
70         include /lib/network
71         scan_interfaces
72         setup_interface "$1" "$2"
73 )}
74
75 scan_wifi() {
76         local cfgfile="$1"
77         config_cb() {
78                 config_get TYPE "$CONFIG_SECTION" TYPE
79                 case "$TYPE" in
80                         wifi-device)
81                                 append DEVICES "$CONFIG_SECTION"
82                         ;;
83                         wifi-iface)
84                                 config_get device "$CONFIG_SECTION" device
85                                 config_get vifs "$device" vifs 
86                                 append vifs "$CONFIG_SECTION"
87                                 config_set "$device" vifs "$vifs"
88                         ;;
89                 esac
90         }
91         config_load "${cfgfile:-wireless}"
92 }
93
94 DEVICES=
95 DRIVERS=
96 include /lib/wifi
97 scan_wifi
98
99 case "$1" in
100         down) wifi_updown "disable" "$2";;
101         detect) wifi_detect "$2";;
102         *) wifi_updown "enable" "$2";;
103 esac