upgrade madwifi, finally fix the annoying ap auto channel selection bug, default...
[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|ahdemo|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}:${ap+1}" in
36 # valid mode combinations
37 1::) wds="";;
38 1::1);;
39 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
40 :1:);;
41 ::1);;
42 ::);;
43 *) echo "$device: Invalid mode combination in config"; return 1;;
44 esac
45
46 config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }"
47 }
48
49
50 disable_atheros() (
51 local device="$1"
52
53 set_wifi_down "$device"
54 # kill all running hostapd and wpa_supplicant processes that
55 # are running on atheros vifs
56 for pid in `pidof hostapd wpa_supplicant`; do
57 grep ath /proc/$pid/cmdline >/dev/null && \
58 kill $pid
59 done
60
61 include /lib/network
62 cd /proc/sys/net
63 for dev in *; do
64 grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
65 ifconfig "$dev" down
66 unbridge "$dev"
67 wlanconfig "$dev" destroy
68 }
69 done
70 return 0
71 )
72
73 enable_atheros() {
74 local device="$1"
75 config_get channel "$device" channel
76 config_get vifs "$device" vifs
77
78 [ auto = "$channel" ] && channel=0
79
80 local first=1
81 for vif in $vifs; do
82 nosbeacon=
83 config_get ifname "$vif" ifname
84 config_get enc "$vif" encryption
85 config_get mode "$vif" mode
86
87 [ "$mode" = sta ] && config_get nosbeacon "$device" nosbeacon
88
89 config_get ifname "$vif" ifname
90 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
91 [ $? -ne 0 ] && {
92 echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
93 continue
94 }
95 config_set "$vif" ifname "$ifname"
96
97 [ "$first" = 1 ] && {
98 # only need to change freq band and channel on the first vif
99 config_get agmode "$device" agmode
100 pureg=0
101 case "$agmode" in
102 *b) agmode=11b;;
103 *bg) agmode=11g;;
104 *g) agmode=11g; pureg=1;;
105 *a) agmode=11a;;
106 *) agmode=auto;;
107 esac
108 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
109 ifconfig "$ifname" up
110 sleep 1
111 iwpriv "$ifname" mode "$agmode"
112 iwpriv "$ifname" pureg "$pureg"
113 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
114 }
115
116 config_get_bool hidden "$vif" hidden 0
117 iwpriv "$ifname" hide_ssid "$hidden"
118
119 config_get ff "$vif" ff
120 if [ -n "$ff" ]; then
121 iwpriv "$ifname" ff "$ff"
122 fi
123
124 config_get wds "$vif" wds
125 case "$wds" in
126 1|on|enabled) wds=1;;
127 *) wds=0;;
128 esac
129 iwpriv "$ifname" wds "$wds"
130
131 wpa=
132 case "$enc" in
133 WEP|wep)
134 for idx in 1 2 3 4; do
135 config_get key "$vif" "key${idx}"
136 iwconfig "$ifname" enc "[$idx]" "${key:-off}"
137 done
138 config_get key "$vif" key
139 key="${key:-1}"
140 case "$key" in
141 [1234]) iwconfig "$ifname" enc "[$key]";;
142 *) iwconfig "$ifname" enc "$key";;
143 esac
144 ;;
145 PSK|psk|PSK2|psk2)
146 config_get key "$vif" key
147 ;;
148 esac
149
150 case "$mode" in
151 wds)
152 config_get addr "$vif" bssid
153 iwpriv "$ifname" wds_add "$addr"
154 ;;
155 adhoc|ahdemo)
156 config_get addr "$vif" bssid
157 [ -z "$addr" ] || {
158 iwconfig "$ifname" ap "$addr"
159 }
160 ;;
161 esac
162 config_get ssid "$vif" ssid
163
164 config_get_bool bgscan "$vif" bgscan
165 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
166
167 config_get_bool antdiv "$device" diversity
168 [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
169
170 config_get antrx "$device" rxantenna
171 [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
172
173 config_get anttx "$device" txantenna
174 [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
175
176 config_get distance "$device" distance
177 [ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-
178
179 config_get txpwr "$vif" txpower
180 [ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"
181
182 config_get rate "$vif" rate
183 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
184
185 config_get mcast_rate "$vif" mcast_rate
186 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
187
188 config_get frag "$vif" frag
189 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
190
191 config_get rts "$vif" rts
192 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
193
194 config_get_bool doth "$vif" 80211h
195 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
196
197 config_get_bool comp "$vif" compression
198 [ -n "$comp" ] && iwpriv "$ifname" compression "$comp"
199
200 config_get_bool burst "$vif" bursting
201 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
202
203 config_get_bool wmm "$vif" wmm
204 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
205
206 config_get_bool xr "$vif" xr
207 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
208
209 config_get_bool ar "$vif" ar
210 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
211
212 config_get_bool turbo "$vif" turbo
213 [ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"
214
215 config_get maclist "$vif" maclist
216 [ -n "$maclist" ] && {
217 # flush MAC list
218 iwpriv "$ifname" maccmd 3
219 for mac in $maclist; do
220 iwpriv "$ifname" addmac "$mac"
221 done
222 }
223
224 config_get macpolicy "$vif" macpolicy
225 case "$macpolicy" in
226 allow)
227 iwpriv "$ifname" maccmd 1
228 ;;
229 deny)
230 iwpriv "$ifname" maccmd 2
231 ;;
232 *)
233 # default deny policy if mac list exists
234 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
235 ;;
236 esac
237
238 ifconfig "$ifname" up
239 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
240
241 local net_cfg bridge
242 net_cfg="$(find_net_config "$vif")"
243 [ -z "$net_cfg" ] || {
244 bridge="$(bridge_interface "$net_cfg")"
245 config_set "$vif" bridge "$bridge"
246 start_net "$ifname" "$net_cfg"
247 }
248 iwconfig "$ifname" essid "$ssid"
249 set_wifi_up "$vif" "$ifname"
250 case "$mode" in
251 ap)
252 config_get_bool isolate "$vif" isolate 0
253 iwpriv "$ifname" ap_bridge "$((isolate^1))"
254
255 if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
256 hostapd_setup_vif "$vif" madwifi || {
257 echo "enable_atheros($device): Failed to set up wpa for interface $ifname" >&2
258 # make sure this wifi interface won't accidentally stay open without encryption
259 ifconfig "$ifname" down
260 wlanconfig "$ifname" destroy
261 continue
262 }
263 fi
264 ;;
265 wds|sta)
266 case "$enc" in
267 PSK|psk|PSK2|psk2)
268 case "$enc" in
269 PSK|psk)
270 proto='proto=WPA'
271 passphrase="${key}"
272 ;;
273 PSK2|psk2)
274 proto='proto=RSN'
275 passphrase=`wpa_passphrase ${ssid} "${key}" | grep psk | grep -v \#| cut -d= -f2`
276 ;;
277 esac
278
279 cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
280 ctrl_interface=/var/run/wpa_supplicant
281 network={
282 scan_ssid=1
283 ssid="$ssid"
284 key_mgmt=WPA-PSK
285 $proto
286 psk="$passphrase"
287 }
288 EOF
289 ;;
290 WPA|wpa|WPA2|wpa2)
291 #add wpa_supplicant calls here
292 ;;
293 esac
294 [ -z "$proto" ] || wpa_supplicant ${bridge:+ -b $bridge} -B -D wext -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
295 ;;
296 esac
297 first=0
298 done
299 }
300
301
302 detect_atheros() {
303 cd /proc/sys/dev
304 [ -d ath ] || return
305 for dev in $(ls -d wifi* 2>&-); do
306 config_get type "$dev" type
307 [ "$type" = atheros ] && return
308 cat <<EOF
309 config wifi-device $dev
310 option type atheros
311 option channel auto
312
313 # REMOVE THIS LINE TO ENABLE WIFI:
314 option disabled 1
315
316 config wifi-iface
317 option device $dev
318 option network lan
319 option mode ap
320 option ssid OpenWrt
321 option encryption none
322 EOF
323 done
324 }