fix madwifi mode selection problems
[openwrt/svn-archive/archive.git] / package / madwifi / files / lib / wifi / madwifi.sh
1 #!/bin/sh
2 append DRIVERS "atheros"
3
4 scan_atheros() {
5 local device="$1"
6 local wds
7 local adhoc sta ap
8
9 config_get vifs "$device" vifs
10 for vif in $vifs; do
11
12 config_get ifname "$vif" ifname
13 config_set "$vif" ifname "${ifname:-ath}"
14
15 config_get mode "$vif" mode
16 case "$mode" in
17 adhoc|sta|ap)
18 append $mode "$vif"
19 ;;
20 wds)
21 config_get addr "$vif" bssid
22 config_get ssid "$vif" ssid
23 [ -z "$addr" -a -n "$ssid" ] && {
24 config_set "$vif" wds 1
25 config_set "$vif" mode sta
26 mode="sta"
27 addr="$ssid"
28 }
29 ${addr:+append $mode "$vif"}
30 ;;
31 *) echo "$device($vif): Invalid mode, ignored."; continue;;
32 esac
33 done
34
35 case "${adhoc:+1}:${sta:+1}:${ap+1}" in
36 # valid mode combinations
37 1::) wds="";;
38 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
39 :1:);;
40 ::1);;
41 ::);;
42 *) echo "$device: Invalid mode combination in config"; return 1;;
43 esac
44
45 config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${wds:+$wds }"
46 }
47
48
49 disable_atheros() (
50 local device="$1"
51
52 # kill all running hostapd and wpa_supplicant processes that
53 # are running on atheros vifs
54 for pid in `pidof hostapd wpa_supplicant`; do
55 grep ath /proc/$pid/cmdline >/dev/null && \
56 kill $pid
57 done
58
59 include /lib/network
60 cd /proc/sys/net
61 for dev in *; do
62 grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
63 ifconfig "$dev" down
64 unbridge "$dev"
65 wlanconfig "$dev" destroy
66 }
67 done
68 return 0
69 )
70
71 enable_atheros() {
72 config_get channel "$device" channel
73 config_get vifs "$device" vifs
74
75 disable_atheros "$device"
76 local first=1
77 for vif in $vifs; do
78 nosbeacon=
79 config_get ifname "$vif" ifname
80 config_get enc "$vif" encryption
81 config_get mode "$vif" mode
82
83 [ "$mode" = sta ] && config_get nosbeacon "$device" nosbeacon
84
85 config_get ifname "$vif" ifname
86 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
87 [ $? -ne 0 ] && {
88 echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
89 continue
90 }
91 config_set "$vif" ifname "$ifname"
92
93 [ "$first" = 1 ] && {
94 # only need to change freq band and channel on the first vif
95 config_get agmode "$device" mode
96 pureg=0
97 case "$agmode" in
98 *b) agmode=11b;;
99 *bg) agmode=11g;;
100 *g) agmode=11g; pureg=1;;
101 *a) agmode=11a;;
102 *) agmode=11g;;
103 esac
104 iwconfig "$ifname" channel 0
105 iwpriv "$ifname" agmode "$agmode"
106 iwpriv "$ifname" pureg "$pureg"
107 iwconfig "$ifname" channel "$channel"
108 }
109
110 config_get wds "$vif" wds
111 case "$wds" in
112 1|on|enabled) wds=1;;
113 *) wds=0;;
114 esac
115 iwpriv "$ifname" wds "$wds"
116
117 wpa=
118 case "$enc" in
119 WEP|wep)
120 for idx in 1 2 3 4; do
121 config_get key "$vif" "key${idx}"
122 iwconfig "$ifname" enc "[$idx]" "${key:-off}"
123 done
124 config_get key "$vif" key
125 iwconfig "$ifname" enc "[${key:-1}]"
126 ;;
127 esac
128
129 case "$mode" in
130 wds)
131 config_get addr "$vif" bssid
132 iwpriv "$ifname" wds_add "$addr"
133 ;;
134 *)
135 config_get ssid "$vif" ssid
136 ;;
137 esac
138 ifconfig "$ifname" up
139
140 local net_cfg bridge
141 net_cfg="$(find_net_config "$vif")"
142 [ -z "$net_cfg" ] || {
143 bridge="$(bridge_interface "$net_cfg")"
144 config_set "$vif" bridge "$bridge"
145 start_net "$ifname" "$net_cfg"
146 }
147 iwconfig "$ifname" essid "$ssid"
148 case "$mode" in
149 ap)
150 hostapd_setup_vif "$vif" madwifi || {
151 echo "enable_atheros($device): Failed to set up wpa for interface $ifname" >&2
152 # make sure this wifi interface won't accidentally stay open without encryption
153 ifconfig "$ifname" down
154 wlanconfig "$ifname" destroy
155 continue
156 }
157 ;;
158 wds|sta)
159 # FIXME: implement wpa_supplicant calls here
160 ;;
161 esac
162 first=0
163 done
164 }
165
166
167 detect_atheros() {
168 cd /proc/sys/dev
169 [ -d ath ] || return
170 for dev in wifi*; do
171 config_get type "$dev" type
172 [ "$type" = atheros ] && return
173 cat <<EOF
174 config wifi-device $dev
175 option type atheros
176 option channel 5
177
178 config wifi-iface
179 option device $dev
180 # option network lan
181 option mode ap
182 option ssid OpenWrt
183 option hidden 0
184 option encryption none
185
186 EOF
187 done
188 }
189