summaryrefslogtreecommitdiff
path: root/package/madwifi/files/lib/wifi/madwifi.sh
blob: 0da4ededf48f446910a67bd91357c0ac0298754e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
#!/bin/sh
append DRIVERS "atheros"

scan_atheros() {
	local device="$1"
	local wds
	local adhoc sta ap
	
	config_get vifs "$device" vifs
	for vif in $vifs; do
	
		config_get ifname "$vif" ifname
		config_set "$vif" ifname "${ifname:-ath}"
		
		config_get mode "$vif" mode
		case "$mode" in
			adhoc|ahdemo|sta|ap|monitor)
				append $mode "$vif"
			;;
			wds)
				config_get ssid "$vif" ssid
				[ -z "$ssid" ] && continue

				config_set "$vif" wds 1
				config_set "$vif" mode sta
				mode="sta"
				addr="$ssid"
				${addr:+append $mode "$vif"}
			;;
			*) echo "$device($vif): Invalid mode, ignored."; continue;;
		esac
	done

	case "${adhoc:+1}:${sta:+1}:${ap+1}" in
		# valid mode combinations
		1::) wds="";;
		1::1);;
		:1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
		:1:);;
		::1);;
		::);;
		*) echo "$device: Invalid mode combination in config"; return 1;;
	esac

	config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }${monitor:+$monitor}"
}


disable_atheros() (
	local device="$1"

	set_wifi_down "$device"
	# kill all running hostapd and wpa_supplicant processes that
	# are running on atheros vifs 
	for pid in `pidof hostapd wpa_supplicant`; do
		grep ath /proc/$pid/cmdline >/dev/null && \
			kill $pid
	done
	
	include /lib/network
	cd /proc/sys/net
	for dev in *; do
		grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
			ifconfig "$dev" down 
			unbridge "$dev"
			wlanconfig "$dev" destroy
		}
	done
	return 0
)

enable_atheros() {
	local device="$1"
	config_get channel "$device" channel
	config_get vifs "$device" vifs

	[ auto = "$channel" ] && channel=0

	local first=1
	for vif in $vifs; do
		local start_hostapd
		nosbeacon=
		config_get ifname "$vif" ifname
		config_get enc "$vif" encryption
		config_get eap_type "$vif" eap_type
		config_get mode "$vif" mode
		
		case "$mode" in
			sta) config_get nosbeacon "$device" nosbeacon;;
			adhoc) config_get nosbeacon "$vif" sw_merge;;
		esac
		
		config_get ifname "$vif" ifname
		ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
		[ $? -ne 0 ] && {
			echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
			continue
		}
		config_set "$vif" ifname "$ifname"

		# only need to change freq band and channel on the first vif
		config_get agmode "$device" agmode
		[ -z "$agmode" ] && config_get agmode "$device" mode

		pureg=0
		case "$agmode" in
			*b) agmode=11b;;
			*bg) agmode=11g;;
			*g) agmode=11g; pureg=1;;
			*gdt) agmode=11gdt;;
			*a) agmode=11a;;
			*adt) agmode=11adt;;
			*ast) agmode=11ast;;
			*fh) agmode=fh;;
			*) agmode=auto;;
		esac
		iwpriv "$ifname" mode "$agmode"
		iwpriv "$ifname" pureg "$pureg"

		[ "$first" = 1 ] && {
			iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null 
		}
	
		config_get_bool hidden "$vif" hidden 0
		iwpriv "$ifname" hide_ssid "$hidden"

		config_get ff "$vif" ff
		if [ -n "$ff" ]; then
			iwpriv "$ifname" ff "$ff"
		fi

		config_get wds "$vif" wds
		case "$wds" in
			1|on|enabled) wds=1;;
			*) wds=0;;
		esac
		iwpriv "$ifname" wds "$wds"

		[ "$mode" = ap -a "$wds" = 1 ] && {
			config_get_bool wdssep "$vif" wdssep 1
			[ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
		}

		case "$enc" in
			WEP|wep)
				for idx in 1 2 3 4; do
					config_get key "$vif" "key${idx}"
					iwconfig "$ifname" enc "[$idx]" "${key:-off}"
				done
				config_get key "$vif" key
				key="${key:-1}"
				case "$key" in
					[1234]) iwconfig "$ifname" enc "[$key]";;
					*) iwconfig "$ifname" enc "$key";;
				esac
			;;
			psk*|wpa*)
				start_hostapd=1
				config_get key "$vif" key
			;;
		esac

		case "$mode" in
			adhoc|ahdemo)
				config_get addr "$vif" bssid
				[ -z "$addr" ] || { 
					iwconfig "$ifname" ap "$addr"
				}
			;;
		esac
		config_get ssid "$vif" ssid

		config_get_bool bgscan "$vif" bgscan
		[ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"

		config_get_bool antdiv "$device" diversity
		config_get antrx "$device" rxantenna
		config_get anttx "$device" txantenna
		config_get_bool softled "$device" softled 1
		config_get_bool	gpioctl	"$device" gpioctl

		devname="$(cat /proc/sys/dev/$device/dev_name)"
		antgpio=
		case "$devname" in
			NanoStation2) antgpio=wlan; [ -n "$gpioctl" ] && gpioctl=0;;
			NanoStation5) antgpio=1;;
		esac
		if [ -n "$antgpio" ]; then
			softled=0
			config_get antenna "$device" antenna
			case "$antenna" in
				external) antdiv=0; antrx=1; anttx=1 ;;
				horizontal) antdiv=0; antrx=1; anttx=1 ;;
				vertical) antdiv=0; antrx=2; anttx=2 ;;
				auto) antdiv=1; antrx=0; anttx=0 ;;
			esac
			
			[ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
			case "$antenna" in
				horizontal|vertical|auto)
					if [ "$gpioctl" = "0" ]; then
						echo 1 >/sys/class/leds/$antgpio/brightness 2>&1
					else
						gpioctl "dirout" "$antgpio" >/dev/null 2>&1
						gpioctl "set" "$antgpio" >/dev/null 2>&1
					fi
				;;
				external)
					if [ "$gpioctl" = "0" ]; then
						echo 0 >/sys/class/leds/$antgpio/brightness
					else
						gpioctl "dirout" "$antgpio" >/dev/null 2>&1
						gpioctl "clear" "$antgpio" >/dev/null 2>&1
					fi
				;;
			esac
		fi

		[ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
		[ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
		[ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
		[ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-

		config_get distance "$device" distance
		[ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-

		config_get txpwr "$vif" txpower
		[ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"

		config_get rate "$vif" rate
		[ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"

		config_get mcast_rate "$vif" mcast_rate
		[ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"

		config_get frag "$vif" frag
		[ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"

		config_get rts "$vif" rts
		[ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"

		config_get_bool comp "$vif" compression
		[ -n "$comp" ] && iwpriv "$ifname" compression "$comp"

		config_get_bool minrate "$vif" minrate
		[ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"

		config_get_bool maxrate "$vif" maxrate
		[ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"

		config_get_bool burst "$vif" bursting
		[ -n "$burst" ] && iwpriv "$ifname" burst "$burst"

		config_get_bool wmm "$vif" wmm
		[ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"

		config_get_bool xr "$vif" xr
		[ -n "$xr" ] && iwpriv "$ifname" xr "$xr"

		config_get_bool ar "$vif" ar
		[ -n "$ar" ] && iwpriv "$ifname" ar "$ar"

		config_get_bool turbo "$vif" turbo
		[ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"

		config_get_bool doth "$vif" doth 0
		[ -n "$doth" ] && iwpriv "$ifname" doth "$doth"

		config_get maclist "$vif" maclist
		[ -n "$maclist" ] && {
			# flush MAC list
			iwpriv "$ifname" maccmd 3
			for mac in $maclist; do
				iwpriv "$ifname" addmac "$mac"
			done
		}

		config_get macpolicy "$vif" macpolicy
		case "$macpolicy" in
			allow)
				iwpriv "$ifname" maccmd 1
			;;
			deny)
				iwpriv "$ifname" maccmd 2
			;;
			*)
				# default deny policy if mac list exists
				[ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
			;;
		esac

		ifconfig "$ifname" up
		local net_cfg bridge
		net_cfg="$(find_net_config "$vif")"
		[ -z "$net_cfg" ] || {
			bridge="$(bridge_interface "$net_cfg")"
			config_set "$vif" bridge "$bridge"
			start_net "$ifname" "$net_cfg"
		}
		[ -n "$ssid" ] && iwconfig "$ifname" essid on
		iwconfig "$ifname" essid "$ssid"
		set_wifi_up "$vif" "$ifname"
		case "$mode" in
			ap)
				config_get_bool isolate "$vif" isolate 0
				iwpriv "$ifname" ap_bridge "$((isolate^1))"

				if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
					hostapd_setup_vif "$vif" madwifi || {
						echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
						# make sure this wifi interface won't accidentally stay open without encryption
						ifconfig "$ifname" down
						wlanconfig "$ifname" destroy
						continue
					}
				fi
			;;
			wds|sta)
				if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
					wpa_supplicant_setup_vif "$vif" madwifi || {
						echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
						ifconfig "$ifname" down
						wlanconfig "$ifname" destroy
						continue
					}
				fi
			;;
		esac
		first=0
	done
}


detect_atheros() {
	cd /proc/sys/dev
	[ -d ath ] || return
	for dev in $(ls -d wifi* 2>&-); do
		config_get type "$dev" type
		devname="$(cat /proc/sys/dev/$dev/dev_name)"
		case "$devname" in
			NanoStation*)
				EXTRA_DEV="
# Ubiquiti NanoStation features
	option antenna	internal
	option polarity	auto # (auto|horizontal|vertical)
"
			;;
		esac
		[ "$type" = atheros ] && return
		cat <<EOF
config wifi-device  $dev
	option type     atheros
	option channel  auto
$EXTRA_DEV
	# REMOVE THIS LINE TO ENABLE WIFI:
	option disabled 1

config wifi-iface
	option device	$dev
	option network	lan
	option mode	ap
	option ssid	OpenWrt
	option encryption none
EOF
	done
}