fix isolate mode
[openwrt/openwrt.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=auto;;
103 esac
104 iwconfig "$ifname" channel 0 >/dev/null 2>/dev/null
105 ifconfig "$ifname" up
106 iwpriv "$ifname" mode "$agmode"
107 iwpriv "$ifname" pureg "$pureg"
108 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
109 }
110
111 config_get_bool hidden "$vif" hidden
112 iwpriv "$ifname" hide_ssid "$hidden"
113
114 config_get wds "$vif" wds
115 case "$wds" in
116 1|on|enabled) wds=1;;
117 *) wds=0;;
118 esac
119 iwpriv "$ifname" wds "$wds"
120
121 wpa=
122 case "$enc" in
123 WEP|wep)
124 for idx in 1 2 3 4; do
125 config_get key "$vif" "key${idx}"
126 iwconfig "$ifname" enc "[$idx]" "${key:-off}"
127 done
128 config_get key "$vif" key
129 key="${key:-1}"
130 case "$key" in
131 [1234]) iwconfig "$ifname" enc "[$key]";;
132 *) iwconfig "$ifname" enc "$key";;
133 esac
134 ;;
135 PSK|psk|PSK2|psk2)
136 config_get key "$vif" key
137 ;;
138 esac
139
140 case "$mode" in
141 wds)
142 config_get addr "$vif" bssid
143 iwpriv "$ifname" wds_add "$addr"
144 ;;
145 adhoc)
146 config_get addr "$vif" bssid
147 [ -z "$addr" ] || {
148 iwconfig "$ifname" ap "$addr"
149 }
150 ;;
151 *)
152 config_get ssid "$vif" ssid
153 ;;
154 esac
155
156 [ "$mode" = "sta" ] && {
157 config_get_bool bgscan "$vif" bgscan 1
158 iwpriv "$ifname" bgscan "$bgscan"
159 }
160
161 config_get_bool antdiv "$device" diversity 1
162 sysctl -w dev."$device".diversity="$antdiv" >&-
163
164 config_get antrx "$device" rxantenna
165 if [ -n "$antrx" ]; then
166 sysctl -w dev."$device".rxantenna="$antrx" >&-
167 fi
168
169 config_get anttx "$device" txantenna
170 if [ -n "$anttx" ]; then
171 sysctl -w dev."$device".txantenna="$anttx" >&-
172 fi
173
174 config_get distance "$device" distance
175 if [ -n "$distance" ]; then
176 athctrl -i "$device" -d "$distance" >&-
177 fi
178
179 config_get txpwr "$vif" txpower
180 if [ -n "$txpwr" ]; then
181 iwconfig "$ifname" txpower "${txpwr%%.*}"
182 fi
183
184 ifconfig "$ifname" up
185 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
186
187 local net_cfg bridge
188 net_cfg="$(find_net_config "$vif")"
189 [ -z "$net_cfg" ] || {
190 bridge="$(bridge_interface "$net_cfg")"
191 config_set "$vif" bridge "$bridge"
192 start_net "$ifname" "$net_cfg"
193 }
194 iwconfig "$ifname" essid "$ssid"
195 case "$mode" in
196 ap)
197 config_get_bool isolate "$vif" isolate 0
198 iwpriv "$ifname" ap_bridge "$((isolate^1))"
199
200 if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
201 hostapd_setup_vif "$vif" madwifi || {
202 echo "enable_atheros($device): Failed to set up wpa for interface $ifname" >&2
203 # make sure this wifi interface won't accidentally stay open without encryption
204 ifconfig "$ifname" down
205 wlanconfig "$ifname" destroy
206 continue
207 }
208 fi
209 ;;
210 wds|sta)
211 case "$enc" in
212 PSK|psk|PSK2|psk2)
213 case "$enc" in
214 PSK|psk)
215 proto='proto=WPA';;
216 PSK2|psk2)
217 proto='proto=RSN';;
218 esac
219 cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
220 ctrl_interface=/var/run/wpa_supplicant
221 network={
222 scan_ssid=1
223 ssid="$ssid"
224 key_mgmt=WPA-PSK
225 $proto
226 psk="$key"
227 }
228 EOF
229 ;;
230 WPA|wpa|WPA2|wpa2)
231 #add wpa_supplicant calls here
232 ;;
233 esac
234 [ -z "$proto" ] || wpa_supplicant ${bridge:+ -b $bridge} -Bw -D wext -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
235 ;;
236 esac
237 first=0
238 done
239 }
240
241
242 detect_atheros() {
243 cd /proc/sys/dev
244 [ -d ath ] || return
245 for dev in $(ls -d wifi* 2>&-); do
246 config_get type "$dev" type
247 [ "$type" = atheros ] && return
248 cat <<EOF
249 config wifi-device $dev
250 option type atheros
251 option channel 5
252 # option diversity 1
253 # option txantenna 0
254 # option rxantenna 0
255 # option distance 2000
256 # disable radio to prevent an open ap after reflashing:
257 option disabled 1
258
259
260 config wifi-iface
261 option device $dev
262 option network lan
263 option mode ap
264 option ssid OpenWrt
265 option hidden 0
266 # option txpower 15
267 # option bgscan enable
268 option encryption none
269
270 EOF
271 done
272 }