Developing lightweight computation at the DSG edge

qmp_wireless.sh 21.1 KB
Newer Older
1
2
3
4
5
6
#!/bin/sh
##############################
# Global variables definition
##############################
QMP_PATH="/etc/qmp"
OWRT_WIRELESS_CONFIG="/etc/config/wireless"
p4u's avatar
p4u committed
7
8
TEMPLATE_BASE="$QMP_PATH/templates/wifi"
WIFI_DEFAULT_CONFIG="$QMP_PATH/templates/wifi/wireless.default.config"
9
10
11
12
13
14
15
16
17
TMP="/tmp"
QMPINFO="/etc/qmp/qmpinfo"

#######################
# Importing files
######################
SOURCE_WIRELESS=1
. $QMP_PATH/qmp_common.sh
[ -z "$SOURCE_NET" ] && . $QMP_PATH/qmp_network.sh
18
[ -z "$SOURCE_FUNCTIONS" ] && . $QMP_PATH/qmp_functions.sh
19

p4u's avatar
p4u committed
20
21
22
##############################
# Prepare wireless interface
#############################
23
# Delete the wifi-iface interface in /etc/config/wireless and create an empty one
p4u's avatar
p4u committed
24
25
26
27
28
# First parameter: device
qmp_prepare_wireless_iface() {
	local device=$1
	qmp_uci_test wireless.$device && qmp_uci_del_raw wireless.$device
	qmp_uci_set_raw wireless.$device=wifi-iface
29
30
31
32
33
34
35
}

###################################
# Check channel for wifi interface
###################################
# First parameter: device
# Second parameter: channel
36
# Third parameter: mode (adhoc, ap, adhoc_ap, aplan, client, clientwan, 80211s, 80211s_aplan none)
37
38
39
# It returns the same channel if it is right, and the new one fixet if not

qmp_check_channel() {
p4u's avatar
p4u committed
40
41
42
43
44
45
		local dev="$1"
		local right_channel="$2"
		local channel="$(echo $2 | tr -d b+-)"
		local ht40="$(echo $2 | tr -d b[0-9])"
		local m11b="$(echo $2 | tr -d [0-9]+-)"
		local mode="$3"
46
47
48
		[ ! -z "$channel" ] && chaninfo="$($QMPINFO channels $1 | grep "^$channel ")"

		# Checking if some thing related with channel is wrong
p4u's avatar
p4u committed
49
		local wrong=0
50
		[ -z "$channel" ] || [ -z "$chaninfo" ] && wrong=1
51
52
		[ "$mode" == "80211s" -o "$mode" == "80211s_aplan" ] && [ -z "$(echo $chaninfo | grep 80211s)" ] && wrong=1
		[ "$mode" == "adhoc" -o "$mode" == "adhoc_ap" ] && [ -z "$(echo $chaninfo | grep adhoc)" ] && wrong=1
53
54
		[ "$ht40" == "+" ] && [ -z "$(echo $chaninfo | grep +)" ] && wrong=1
		[ "$ht40" == "-" ] && [ -z "$(echo $chaninfo | grep -)" ] && wrong=1
p4u's avatar
p4u committed
55
		[ "$m11b" == "b" ] && [ $channel -gt 14 ] && wrong=1
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

		# If something wrong, asking for default parameter
		[ $wrong -ne 0 ] && right_channel="$(qmp_wifi_get_default channel $dev $mode)"

		echo "$right_channel"
}

#############################
# Configure driver from wifi
#############################
# This function reload modules from madwifi and mac80211
# Also depending on which driver is configured in config file, modifies the files from /etc/modules.d

qmp_configure_wifi_driver() {
	mac80211_modules="mac80211 ath ath5k ath9k_hw ath9k_common ath9k"
	madwifi_modules="ath_hal ath_ahb ath_pci"

	#Removing all modules
	echo "Removing wifi modules..."
	for m in $(qmp_reverse_order $mac80211_modules); do
		rmmod -f $m 2>/dev/null
	done
	for m in $(qmp_reverse_order $madwifi_modules); do
		rmmod -f $m 2>/dev/null
	done

	rmmod -a

	#Loading driver modules
	echo "Loading wifi modules..."
	driver="$(qmp_uci_get wireless.driver)"
	case $driver in
	"madwifi")
		mv /etc/modules.d/50-madwifi /etc/modules.d/22-madwifi 2>/dev/null
		for m in $madwifi_modules; do
			insmod $m
		done
		;;
	"mac80211")
		mv /etc/modules.d/22-madwifi /etc/modules.d/50-madwifi 2>/dev/null
		for m in $mac80211_modules; do
			insmod $m
		done
		;;
	*)
		qmp_error "Driver $driver not found"
		;;
	esac
}

########################
# Configure wifi device
########################
# Configure a wifi device according qmp config file
# Parameters are: 1-> qmp config id, 2-> device name

qmp_configure_wifi_device() {
	echo ""
	echo "Configuring device $2"

p4u's avatar
p4u committed
116
117
	local id=$1
	local device="$(qmp_uci_get @wireless[$id].device)"
118

119
120
121
122
123
124
125
126
127
128
129
130


	# Remove the wireless device in $device from the previous lan/wan/mesh groups
	# and put it in the appropriate ones according to the selected mode
	#
	# The possible modes are:
	# adhoc_ap ==> Ad hoc (mesh) + access point (LAN)
	# adhoc =====> Ad hoc (mesh)
	# ap ========> Access point (mesh)
	# aplan =====> Access point (LAN)
	# client ====> Client (mesh)
	# clientwan => Client (WAN)
131
132
	# 80211s ====> 802.11s (mesh)
	# 80211s_aplan ====> 802.11s (mesh) + access poin (LAN)
133

p4u's avatar
p4u committed
134
	local mode="$(qmp_uci_get @wireless[$id].mode)"
135
  local dev_disabled="0"
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155

	# Remove $device and also unneeded white spaces
	local allmeshdevs="$(qmp_uci_get interfaces.mesh_devices)"
	local meshdevs="$(echo $allmeshdevs | sed -e s/$device//g  -e 's/^[ \t]*//' -e 's/ \+/ /g' -e 's/[ \t]*$//')"
	local allwandevs="$(qmp_uci_get interfaces.wan_devices)"
	local wandevs="$(echo $allwandevs | sed -e s/$device//g  -e 's/^[ \t]*//' -e 's/ \+/ /g' -e 's/[ \t]*$//')"
	local alllandevs="$(qmp_uci_get interfaces.lan_devices)"
	local landevs="$(echo $alllandevs | sed -e s/$device//g  -e 's/^[ \t]*//' -e 's/ \+/ /g' -e 's/[ \t]*$//')"

	case $mode in
		adhoc_ap)
			qmp_uci_set interfaces.mesh_devices "$meshdevs $device"
			qmp_uci_set interfaces.lan_devices  "$landevs $device"
			qmp_uci_set interfaces.wan_devices  "$wandevs"
			;;
		adhoc)
			qmp_uci_set interfaces.mesh_devices "$meshdevs $device"
			qmp_uci_set interfaces.lan_devices "$landevs"
			qmp_uci_set interfaces.wan_devices "$wandevs"
			;;
156
157
158
159
160
161
162
163
164
165
		80211s)
			qmp_uci_set interfaces.mesh_devices "$meshdevs $device"
			qmp_uci_set interfaces.lan_devices "$landevs"
			qmp_uci_set interfaces.wan_devices "$wandevs"
			;;
		80211s_aplan)
			qmp_uci_set interfaces.mesh_devices "$meshdevs $device"
			qmp_uci_set interfaces.lan_devices  "$landevs $device"
			qmp_uci_set interfaces.wan_devices  "$wandevs"
			;;
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
		ap)
			qmp_uci_set interfaces.mesh_devices "$meshdevs $device"
			qmp_uci_set interfaces.lan_devices "$landevs"
			qmp_uci_set interfaces.wan_devices "$wandevs"
			;;
		aplan)
			qmp_uci_set interfaces.lan_devices "$landevs $device"
			qmp_uci_set interfaces.mesh_devices "$meshdevs"
			qmp_uci_set interfaces.wan_devices "$wandevs"
			;;
		client)
			qmp_uci_set interfaces.mesh_devices "$meshdevs $device"
			qmp_uci_set interfaces.lan_devices "$landevs"
			qmp_uci_set interfaces.wan_devices "$wandevs"
			;;
		clientwan)
			qmp_uci_set interfaces.mesh_devices "$meshdevs"
			qmp_uci_set interfaces.lan_devices "$landevs"
			qmp_uci_set interfaces.wan_devices "$wandevs $device"
			;;
		none)
			qmp_uci_set interfaces.mesh_devices "$meshdevs"
			qmp_uci_set interfaces.lan_devices "$landevs"
			qmp_uci_set interfaces.wan_devices "$wandevs"
			echo "Interface $device is not managed by the qMp system"
191
      dev_disabled="1"
192
193
			;;
	esac
194
195

	# spliting channel in channel number and ht40 mode
p4u's avatar
p4u committed
196
197
198
199
200
201
202
203
	local channel_raw="$(qmp_uci_get @wireless[$id].channel)"
	local channel="$(echo $channel_raw | tr -d b+-)"

	# htmode and mode selection
	local ht40="$(echo $channel_raw | tr -d [0-9][A-z])"
	local mode11=""
	local htmode=""

204
	[ "$ht40" == "+" -o "$ht40" == "-" ] && {
p4u's avatar
p4u committed
205
206
207
		# Device is selected to use 40MHz channel
		htmode="HT40$ht40"

208
		[ $channel -lt 15 ] && {
209
210
211
212
213
214
215
		# If it is 2.4
			mode11="ng"
		} || {
		# If it is 5
			mode11="na"
		}

216
	} || {
p4u's avatar
p4u committed
217
218
		m11b="$(echo $channel_raw | tr -d [0-9]+-)"
		m11n="$($QMPINFO modes $device | grep -c n)"
219
		[ "$m11b" == "b" ] && {
Pau Escrich's avatar
Pau Escrich committed
220
			# Mode 11b is forced
p4u's avatar
p4u committed
221
222
			htmode=""
			mode11="b"
223
		} || [ $m11n -eq 0 ] && {
Pau Escrich's avatar
Pau Escrich committed
224
225
226
227
			# Device is not 11n compatible
			htmode=""
			mode11="auto"
		} || {
p4u's avatar
p4u committed
228
			# Device is 11n compatible
229
			[ $channel -lt 15 ] && {
230
231
232
233
234
235
236
237
			# If it is 2.4
				htmode="HT20"
				mode11="ng"
			} || {
			# If it is 5
				htmode="HT20"
				mode11="na"
			}
p4u's avatar
p4u committed
238
239
240
241
242
		}
	}

	local mac="$(qmp_uci_get @wireless[$id].mac)"
	local name="$(qmp_uci_get @wireless[$id].name)"
243
244
	local essidap="$(qmp_uci_get @wireless[$id].essidap)"
	local mesh80211s="$(qmp_uci_get @wireless[$id].mesh80211s)"
p4u's avatar
p4u committed
245
246
247
248
249
250
	local driver="$(qmp_uci_get wireless.driver)"
	local country="$(qmp_uci_get wireless.country)"
	local mrate="$(qmp_uci_get wireless.mrate)"
	local bssid="$(qmp_uci_get wireless.bssid)"
	local txpower="$(qmp_uci_get @wireless[$id].txpower)"
	local network="$(qmp_get_virtual_iface $device)"
251
	local key="$(qmp_uci_get @wireless[$id].key)"
252
	[ $(echo "$key" | wc -c) -lt 8 ] && encrypt="none" || encrypt="psk2"
253

p4u's avatar
p4u committed
254
255
256
	local dev_id="$(echo $device | tr -d [A-z])"
	dev_id=${dev_id:-$(date +%S)}
	local radio="radio$dev_id"
257
258

	echo "------------------------"
259
260
261
262
263
264
265
266
267
268
269
270
271
	echo "Device        $device"
	echo "Mac           $mac"
	echo "Mode          $mode"
	echo "Driver        $driver"
	echo "Channel       $channel"
	echo "Country       $country"
	echo "Network       $network"
	echo "AdHoc ESSID   $name"
	echo "AP ESSID      $essidap"
	echo "Mesh network" $mesh80211s
	echo "HTmode        $htmode"
	echo "11mode        $mode11"
	echo "Mrate         $mrate"
272
  echo "Disabled     $dev_disabled"
273
274
	echo "------------------------"

275
276
277
	[ -z $essidap ] && essidap=$(echo ${name:0:29})"-AP"
	[ -z $mesh80211s ] && mesh80211s="qMp"

p4u's avatar
p4u committed
278
279
280
281
282
	local vap=0
	[ $mode == "adhoc_ap" ] && {
		mode="adhoc"
		vap=1
	}
283

284
285
286
287
	[ $mode == "80211s_aplan" ] && {
		mode="80211s"
		vap=1
	}
288

p4u's avatar
p4u committed
289
	device_template="$TEMPLATE_BASE/device.$driver-$mode11"
290
	[ ! -f "$device_template" ] && qmp_error "Device template $device_template not found"
291

292
	cat $device_template | grep -v ^# | grep -v "^list " | sed \
p4u's avatar
p4u committed
293
	 -e s/"#QMP_RADIO"/"$radio"/ \
294
295
296
297
	 -e s/"#QMP_TYPE"/"$driver"/ \
	 -e s/"#QMP_MAC"/"$mac"/ \
	 -e s/"#QMP_CHANNEL"/"$channel"/ \
	 -e s/"#QMP_COUNTRY"/"$country"/ \
Pau Escrich's avatar
Pau Escrich committed
298
	 -e s/"#QMP_MRATE"/"$mrate"/ \
299
	 -e s/"#QMP_HTMODE"/"$htmode"/ \
p4u's avatar
p4u committed
300
	 -e s/"#QMP_TXPOWER"/"$txpower"/ > $TMP/qmp_wifi_device
301
  echo "wireless.$radio.disabled="$dev_disabled >> $TMP/qmp_wifi_device
302

303
304
305
306
307
  [ $mode != "none" ] && {
    echo $device
  iface_template="$TEMPLATE_BASE/iface.$mode"
  [ ! -f "$iface_template" ] && qmp_error "Interface template $iface_template not found"
  echo $device
p4u's avatar
p4u committed
308
309
	qmp_prepare_wireless_iface $device

310
311
312
    echo "Mode is $mode"
    echo "Network is $network"

313
	cat $iface_template | grep -v ^# | sed \
p4u's avatar
p4u committed
314
315
316
	 -e s/"#QMP_RADIO"/"$radio"/ \
	 -e s/"#QMP_DEVICE"/"$device"/ \
	 -e s/"#QMP_IFNAME"/"$device"/ \
317
	 -e s/"#QMP_SSID"/"$(echo "${name:0:32}" | sed -e 's|/|\\/|g')"/ \
318
319
	 -e s/"#QMP_APSSID"/"$(echo "${essidap:0:32}" | sed -e 's|/|\\/|g')"/ \
	 -e s/"#QMP_MSSID"/"$(echo "${mesh80211s:0:32}" | sed -e 's|/|\\/|g')"/ \
p4u's avatar
p4u committed
320
321
322
323
324
325
	 -e s/"#QMP_BSSID"/"$bssid"/ \
	 -e s/"#QMP_NETWORK"/"$network"/ \
	 -e s/"#QMP_ENC"/"$encrypt"/ \
	 -e s/"#QMP_KEY"/"$key"/ \
	 -e s/"#QMP_MODE"/"$mode"/ > $TMP/qmp_wifi_iface

326
}
p4u's avatar
p4u committed
327
328

	# If virtual AP interface has to be configured
329
330
  vap_template="$TEMPLATE_BASE/iface.ap"
  [ ! -f "$vap_template" ] && qmp_error "Virtual AP template $vap_template not found"
p4u's avatar
p4u committed
331
332
	[ "$vap" == "1" ] && {
		qmp_prepare_wireless_iface ${device}ap
333
		cat $vap_template | grep -v ^# | sed \
p4u's avatar
p4u committed
334
335
336
	 	 -e s/"#QMP_RADIO"/"$radio"/ \
		 -e s/"#QMP_DEVICE"/"${device}ap"/ \
		 -e s/"#QMP_IFNAME"/"${device}ap"/ \
337
	 	 -e s/"#QMP_APSSID"/"$(echo "${essidap:0:32}" | sed -e 's|/|\\/|g')"/ \
p4u's avatar
p4u committed
338
339
340
341
342
343
		 -e s/"#QMP_NETWORK"/"lan"/ \
		 -e s/"#QMP_ENC"/"$encrypt"/ \
		 -e s/"#QMP_KEY"/"$key"/ \
		 -e s/"#QMP_MODE"/"ap"/ >> $TMP/qmp_wifi_iface
	}
	qmp_uci_import $TMP/qmp_wifi_iface
344
345
	qmp_uci_import $TMP/qmp_wifi_device
	# List arguments (needed for HT capab)
346
	cat $device_template | grep -v ^# | grep "^list " | sed s/"^list "//g | sed \
347
348
349
350
	 -e s/"#QMP_RADIO"/"$radio"/ | while read l; do
		qmp_uci_add_list_raw $l
	done
	uci reorder wireless.$radio=0
p4u's avatar
p4u committed
351
352
	#uci reorder wireless.@wifi-iface[$index]=16
	uci commit wireless
353
354
355
356
357
358
359
360
361
362
363
364
365
}

#############################
# Configure all wifi devices
#############################
#This function search for all wifi devices and leave them configured according qmp config file

qmp_configure_wifi() {

	echo "Backuping wireless config file to: $OWRT_WIRELESS_CONFIG.qmp_backup"
	cp $OWRT_WIRELESS_CONFIG $OWRT_WIRELESS_CONFIG.qmp_backup 2>/dev/null
	echo "" > $OWRT_WIRELESS_CONFIG

p4u's avatar
p4u committed
366
	local j=0
367

p4u's avatar
p4u committed
368
369
370
	while qmp_uci_test qmp.@wireless[$j]; do
		qmp_configure_wifi_device $j
		j=$(( $j + 1 ))
371
372
373
	done

	echo ""
p4u's avatar
p4u committed
374
	echo "Done: all WiFi devices configured"
375
376
377
378
379
380
381
382
}

####################
# Get default values
####################
# This function returns the default values
#  - first parameter: is always what are you asking for (mode, channel, name,...)
#  - second parameter: is device name, only needed by mode and channel
383
#  - third parameter: is configured mode, only needed by channel
384
385

qmp_wifi_get_default() {
p4u's avatar
p4u committed
386
387
	local what="$1"
	local device="$2"
388

389
390
391
392
393
394
395
396
397
	# WIRELESS MODE
	#
	# The default wireless mode depends on the following criteria:
	#  - Only 1 device:
	#		 · If 5 GHz-capable: 802.11s (mesh) on the 5 GHz band
	#		 · Otherwise: 802.11s (mesh) + AP (LAN) on the 2.4 GHz band
	#  - Two or more devices:
	#    · Depending on the device's capabilities and on the other devices'

398
399
400
401
402
	#  if only 1 bg device = ap
	#  else depending on index

	if [ "$what" == "mode" ]; then

403
404
		# Count the total number of devices, single-band 802.11a/an devices,
		# single-band 802.11b/bg/bgn and dual-band 802.11ab/abg/abgn devices.
p4u's avatar
p4u committed
405
		local devices=0
406
		local a_devices=0
p4u's avatar
p4u committed
407
		local bg_devices=0
408
		local abg_devices=0
409
410
		for wd in $(qmp_get_wifi_devices); do
			devices=$(( $devices + 1 ))
411
412
413
			a_devices=$(( $a_devices + $($QMPINFO modes $wd | egrep "a" | egrep -v "b|g" -c) ))
			bg_devices=$(( $bg_devices + $($QMPINFO modes $wd | egrep -v "a" | egrep "b|g" -c) ))
			abg_devices=$(( $abg_devices + $($QMPINFO modes $wd | egrep "a" | egrep "b|g" -c) ))
414
415
		done

p4u's avatar
p4u committed
416
		local index=$(echo $device | tr -d [A-z])
417

418
419

		# Only one device: if 5 GHz-capable, then 80211s; otherwise 80211s_aplan
420
		if [ $devices -eq 1 ]; then
421
			[ $bg_devices -eq 0 ] && echo "80211s" || echo "80211s_aplan"
422
423
		else

424
425
426
427
428
			# If current device is 5 GHz-capable only, then 80211s
			a_this_device=$($QMPINFO modes $device | egrep "a" | egrep -v "b|g" -c)
			if [ $a_this_device -eq 1 ]; then
				echo "80211s"
			else
429

430
431
432
433
434
				# If current device is 2.4 GHz-capable only => 80211s_aplan
				bg_this_device=$($QMPINFO modes $device | egrep -v "a" | egrep "b|g" -c)
				if [ $bg_this_device -eq 1 ]; then
					echo "80211s_aplan"
				else
435

436
					# If current device is dual-band capable only => depends on the other devices
437

438
439
440
441
					# If there are no other only 5 GHz-capable devices => 80211s
					if [ $a_devices -eq 0 ] && [ $abg_devices -eq 1 ]; then
						echo "80211s"
					else
442

443
444
445
446
						# If there are no other only 2.4 GHz-capable devices => 80211s_aplan
						if [ $bg_devices -eq 0 ] && [ $abg_devices -eq 1 ]; then
							echo "80211s_aplan"
						else
447

448
449
450
451
							# If all the devices are dual-band capable => first device 80211s, the rest 80211s_aplan
							if [ $abg_devices -eq $devices ]; then
								[ $index == 0 ] && echo "80211s" || echo "80211s_aplan"
							else
452

453
454
								# This should never happen
								echo "80211s_aplan"
455
		fi;fi;fi;fi;fi;fi
456

457
458
459
460
	# WIRELESS CHANNEL
	#
	# The default wireless channel depends on the card and on the configured mode:
	#
461
462
463
464
465
	#  Highest channel -> adhoc or not-configured
	#  Lower channel -> ap

	elif [ "$what" == "channel" ]; then
		[ -z "$device" ] && qmp_error "Device not found?"
p4u's avatar
p4u committed
466
		local mode="$3"
467
468

		# we are using index var to put devices in different channels
p4u's avatar
p4u committed
469
		local index=$(echo $device | tr -d [A-z])
470
		index=${index:-0}
471

472
		# QMPINFO returns a list of avaiable channels in this format: 120 ht40+ adhoc 80211s
473
		# this is the command line used to get available channels from a device
p4u's avatar
p4u committed
474
475
		local channels_cmd="$QMPINFO channels $device"
		local num_channels=$($channels_cmd | wc -l)
476

p4u's avatar
p4u committed
477
		# number of channels for AP is 11 or the number of channels available if less
p4u's avatar
p4u committed
478
		local num_channels_ap=$num_channels
p4u's avatar
p4u committed
479
		[ $num_channels_ap -gt 11 ] && num_channels_ap=11
480

p4u's avatar
p4u committed
481
482
483
		# use 40 Mhz of channel size (802.11n)
		local ht40="" # ht40+/ht40-

484
		# channel AdHoc is the last available (qmp_tac = inverse order) plus index*2+1 (1 3 5 ...)
485
		[ "$mode" == "adhoc" ] || [ "$mode" == "80211s" ] || [ -z "$mode" ] && {
p4u's avatar
p4u committed
486
487
488

			#this is global
			ADHOC_INDEX=${ADHOC_INDEX:-0}
489

p4u's avatar
p4u committed
490
			channel_info="$(qmp_tac $channels_cmd | grep adhoc | awk NR==${ADHOC_INDEX}+${ADHOC_INDEX}*2+1)"
491

p4u's avatar
p4u committed
492
			ADHOC_INDEX=$(($ADHOC_INDEX+1))
p4u's avatar
p4u committed
493
			# c is the channel number, checking if it is 802.11bg
p4u's avatar
p4u committed
494
495
496
497
			# in such case it will be 1, 6 and 11 for performance and coexistence with other networks
			c="$(echo $channel_info | cut -d' ' -f1)"
			[ $c -lt 14 ] && {
				qmp_log "Using adhoc device in 802.11bg mode"
498
499
				if [ $c -lt 5 ]; then c=1
				else if [ $c -lt 9 ]; then c=6
p4u's avatar
p4u committed
500
501
502
503
				else c=11
				fi; fi
			ADHOC_BG_USED="$c"
			channel_info="$c $(echo $channel_info | cut -d' ' -f2-)"
p4u's avatar
p4u committed
504
505
506
507

			} || {
				# let's see if we can use ht40 mode
				ht40="$(echo $channel_info | cut -d' ' -f2)"
p4u's avatar
p4u committed
508
			}
509

p4u's avatar
p4u committed
510
		}
511

512
		# channel AP = ( node_id + index*3 ) % ( num_channels_ap) + 1
p4u's avatar
p4u committed
513
		# channel is 1, 6 or 11 for coexistence and performance
514
		[ "$mode" = "ap" -o "$mode" = "adhoc_ap" -o "$mode" = "80211s_aplan" ] && {
515
516
517
518
519
520
521
522
523
524
525
526
527
528

			AP_INDEX=${AP_INDEX:-0}

			# if there is only one wifi device, configure a static channel (it will be used as adhoc_ap)
			if [ $($QMPINFO devices wifi | wc -l) -eq 1 ]; then
				c=1
			else
				c=$(((($(qmp_get_dec_node_id)+$AP_INDEX*3) % $num_channels_ap) +1))
				AP_INDEX=$(($AP_INDEX+1))

				if [ $c -lt 5 ]; then c=1
				else if [ $c -lt 9 ]; then c=6
				else c=11
				fi; fi
529

530
531
532
533
534
				#if the resulting channel is used by adhoc, selecting another one
				[ -n "$ADHOC_BG_USED" ] && [ $ADHOC_BG_USED -eq $c ] && \
				( [ $c -lt 7 ] && c=$(($c+5)) || c=$(($c-5)) )
			fi

p4u's avatar
p4u committed
535
536
			channel_info="$($channels_cmd | awk NR==$c)"
		}
537

538
539
		# if there is some problem, channel 6 is used
		if [ -z "$channel_info" ]; then
540
			qmp_log "Warning, no usable channels found in device $device "
541
542
543
544
545
			[ "$1" == "channel" ] && echo "6"
			return
		fi

		channel="$(echo $channel_info | cut -d' ' -f1)"
546
547
548
549
550
		# Temporary fix for #336
		#[ "$ht40" == "ht40+" ] && channel="${channel}+"
		#[ "$ht40" == "ht40-" ] && channel="${channel}-"
		[ "$ht40" == "ht40+" ] && channel="${channel}"
		[ "$ht40" == "ht40-" ] && channel="${channel}"
551
552
553
554
555
556
557
558
559
560
561

		echo "$channel"

	# REST OF DEFAULT VAULES
	# The rest of default values are taken from the template
	else
		[ ! -f "$WIFI_DEFAULT_CONFIG" ] && qmp_error "Template not found $WIFI_DEFAULT_CONFIG"
		cat $WIFI_DEFAULT_CONFIG | grep $what | cut -d' ' -f2
	fi
}

p4u's avatar
p4u committed
562
563
564
qmp_reset_wifi() {
	#Generating default wifi configuration
	country="$(uci get qmp.wireless.country 2>/dev/null)"
565
	country="${country:-US}"
566

p4u's avatar
p4u committed
567
	mv /etc/config/wireless /tmp/wireless.old
568
569
	wifi config
	sed -i s/"disabled '1'"/"country $country"/g /etc/config/wireless
Roger Pueyo Centelles's avatar
Roger Pueyo Centelles committed
570
	wifi
571
	sleep 5
p4u's avatar
p4u committed
572
573
}

574
575
576
577
578
579
580
qmp_configure_wifi_initial() {

	#First we are going to configure default parameters if they are not present
	[ -z "$(qmp_uci_get wireless)" ] && qmp_uci_set wireless qmp
	[ -z "$(qmp_uci_get wireless.driver)" ] && qmp_uci_set wireless.driver $(qmp_wifi_get_default driver)
	[ -z "$(qmp_uci_get wireless.country)" ] && qmp_uci_set wireless.country $(qmp_wifi_get_default country)
	[ -z "$(qmp_uci_get wireless.bssid)" ] && qmp_uci_set wireless.bssid $(qmp_wifi_get_default bssid)
p4u's avatar
p4u committed
581
	[ -z "$(qmp_uci_get wireless.mrate)" ] && qmp_uci_set wireless.mrate $(qmp_wifi_get_default mrate)
582
583
584
585

	#Changing to configured countrycode
	iw reg set $(qmp_uci_get wireless.country)

586
	macs="$(qmp_get_wifi_mac_devices | uniq)"
587
588
589
590
591
592
593
594
595
596
597
598

	#Looking for configured devices
	id_configured=""
	to_configure=""
	for m in $macs; do
		found=0
		j=0
		while [ ! -z "$(qmp_uci_get @wireless[$j])" ]; do
			configured_mac="$(qmp_uci_get @wireless[$j].mac | tr [A-Z] [a-z])"
			if [ "$configured_mac" == "$m" ]; then
				#If we found configured device, we are going to check all needed parameters
				found=1
599
				device="$(qmp_get_dev_from_wifi_mac $m)"
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
				id_configured="$id_configured $j"
				echo "Found configured device: $m"
			        [ -z "$(qmp_uci_get @wireless[$j].mode)" ] && qmp_uci_set @wireless[$j].mode $(qmp_wifi_get_default mode $device)
        			[ -z "$(qmp_uci_get @wireless[$j].name)" ] && qmp_uci_set @wireless[$j].name $(qmp_wifi_get_default name)
				[ -z "$(qmp_uci_get @wireless[$j].txpower)" ] && qmp_uci_set @wireless[$j].txpower $(qmp_wifi_get_default txpower)

				# If channel is configured, we are going to check it
				# if not, using default one
				sleep 1 && mode="$(qmp_uci_get @wireless[$j].mode)"
				channel="$(qmp_uci_get @wireless[$j].channel)"
				if [ -z "$channel" ]; then
					 qmp_uci_set @wireless[$j].channel $(qmp_wifi_get_default channel $device $mode)

				else
					newchan="$(qmp_check_channel $device $channel $mode)"
					if [ "$newchan" != "$channel" ]; then
						qmp_log Warning: "Channel $channel for device $device in mode $mode is not right, using default one"
						qmp_uci_set @wireless[$j].channel $newchan
					fi
				fi

				qmp_uci_set @wireless[$j].device $device
				break
			fi
			j=$(( $j + 1 ))
		done

		[ $found -eq 0 ] && to_configure="$to_configure $m"
	done

	#Configuring devices not found before
	for m in $to_configure; do
632
		device=$(qmp_get_dev_from_wifi_mac $m)
633
634
635
636
637
638
639
640
641
642
		echo "Configuring device: $device | $m"
		#Looking for a free slot to put new configuration
		j=0
		while [ ! -z "$(echo $id_configured | grep $j)" ]; do j=$(( $j +1 )); done
		#Now we have a free slot, let's go to configure device
		[ -z "$(qmp_uci_get @wireless[$j])" ] && qmp_uci_add wireless
		[ -z "$(qmp_uci_get @wireless[$j].mode)" ] && qmp_uci_set @wireless[$j].mode $(qmp_wifi_get_default mode $device)
		[ -z "$(qmp_uci_get @wireless[$j].name)" ] && qmp_uci_set @wireless[$j].name $(qmp_wifi_get_default name)
		[ -z "$(qmp_uci_get @wireless[$j].txpower)" ] && qmp_uci_set @wireless[$j].txpower $(qmp_wifi_get_default txpower)
		sleep 1 && mode="$(qmp_uci_get @wireless[$j].mode)"
p4u's avatar
p4u committed
643
644
645
		channel="$(qmp_uci_get @wireless[$j].channel)"
		[ -z "$channel" ] && channel=$(qmp_wifi_get_default channel $device $mode)
		qmp_uci_set @wireless[$j].channel "$(qmp_check_channel $device $channel $mode)"
646
647
648
649
650
		qmp_uci_set @wireless[$j].mac $m
		qmp_uci_set @wireless[$j].device $device
		id_configured="$id_configured $j"
	done
}