summaryrefslogtreecommitdiffstats
path: root/package/broadcom-wl/files/lib/wifi/broadcom.sh
blob: e229217328e887244dce402e6dbbbfd6b37f6d2c (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
367
368
369
370
371
372
373
374
375
376
377
378
379
380
append DRIVERS "broadcom"

scan_broadcom() {
	local device="$1"
	local wds
	local adhoc sta apmode mon
	local adhoc_if sta_if ap_if mon_if
	local _c=0

	config_get vifs "$device" vifs
	for vif in $vifs; do
		config_get mode "$vif" mode
		_c=$(($_c + 1))
		case "$mode" in
			adhoc)
				adhoc=1
				adhoc_if="$vif"
			;;
			sta)
				sta=1
				sta_if="$vif"
			;;
			ap)
				apmode=1
				ap_if="${ap_if:+$ap_if }$vif"
			;;
			wds)
				config_get addr "$vif" bssid
				[ -z "$addr" ] || {
					addr=$(echo "$addr" | tr 'A-F' 'a-f')
					append wds "$addr"
				}
			;;
			monitor)
				mon=1
				mon_if="$vif"
			;;
			*) echo "$device($vif): Invalid mode";;
		esac
	done
	config_set "$device" wds "$wds"

	local _c=
	for vif in ${adhoc_if:-$sta_if $ap_if $mon_if}; do
		config_set "$vif" ifname "${device}${_c:+.$_c}"
		_c=$((${_c:-0} + 1))
	done
	config_set "$device" vifs "${adhoc_if:-$sta_if $ap_if $mon_if}"

	ifdown="down"
	for vif in 0 1 2 3; do
		append ifdown "vif $vif" "$N"
		append ifdown "enabled 0" "$N"
	done

	ap=1
	infra=1
	if [ "$_c" -gt 1 ]; then
		mssid=1
	else
		mssid=
	fi
	apsta=0
	radio=1
	monitor=0
	case "$adhoc:$sta:$apmode:$mon" in
		1*)
			ap=0
			mssid=
			infra=0
		;;
		:1:1:)
			apsta=1
			wet=1
		;;
		:1::)
			wet=1
			ap=0
			mssid=
		;;
		:::1)
			wet=1
			ap=0
			mssid=
			monitor=1
		;;
		::)
			radio=0
		;;
	esac
}

disable_broadcom() {
	local device="$1"
	set_wifi_down "$device"
	wlc ifname "$device" down
	wlc ifname "$device" bssid `wlc ifname "$device" default_bssid`
	(
		include /lib/network

		# make sure the interfaces are down and removed from all bridges
		for dev in $device ${device}.1 ${device}.2 ${device}.3; do
			ifconfig "$dev" down 2>/dev/null >/dev/null && {
				unbridge "$dev"
			}
		done
	)
	true
}

enable_broadcom() {
	local device="$1"
	local _c
	config_get channel "$device" channel
	config_get country "$device" country
	config_get maxassoc "$device" maxassoc
	config_get wds "$device" wds
	config_get vifs "$device" vifs
	config_get distance "$device" distance
	config_get slottime "$device" slottime
	config_get rxantenna "$device" rxantenna
	config_get txantenna "$device" txantenna
	config_get_bool frameburst "$device" frameburst
	config_get macfilter "$device" macfilter
	config_get maclist "$device" maclist
	config_get macaddr "$device" macaddr
	config_get txpower "$device" txpower
	config_get frag "$device" frag
	config_get rts "$device" rts
	config_get hwmode "$device" hwmode
	local vif_pre_up vif_post_up vif_do_up vif_txpower
	local doth=0
	local wmm=0

	_c=0
	nas="$(which nas)"
	nas_cmd=
	if_up=

	[ -z "$slottime" ] && {
		[ -n "$distance" ] && {
			# slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
			slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
		}
	} || {
		slottime="${slottime:--1}"
	}

	case "$macfilter" in
		allow|2)
			macfilter=2;
		;;
		deny|1)
			macfilter=1;
		;;
		disable|none|0)
			macfilter=0;
		;;
	esac

	case "$hwmode" in
		*b)   hwmode=0;;
		*bg)  hwmode=1;;
		*g)   hwmode=2;;
		*gst) hwmode=4;;
		*lrs) hwmode=5;;
		*)    hwmode=1;;
	esac

	for vif in $vifs; do
		config_get vif_txpower "$vif" txpower

		config_get mode "$vif" mode
		append vif_pre_up "vif $_c" "$N"
		append vif_post_up "vif $_c" "$N"
		append vif_do_up "vif $_c" "$N"

		config_get_bool wmm "$vif" wmm "$wmm"
		config_get_bool doth "$vif" doth "$doth"

		[ "$mode" = "sta" ] || {
			config_get_bool hidden "$vif" hidden 0
			append vif_pre_up "closed $hidden" "$N"
			config_get_bool isolate "$vif" isolate 0
			append vif_pre_up "ap_isolate $isolate" "$N"
		}

		wsec_r=0
		eap_r=0
		wsec=0
		auth=0
		nasopts=
		config_get enc "$vif" encryption
		case "$enc" in
			*wep*)
				wsec_r=1
				wsec=1
				defkey=1
				config_get key "$vif" key
				case "$enc" in
					*shared*) append vif_do_up "wepauth 1" "$N";;
					*) append vif_do_up "wepauth 0" "$N";;
				esac
				case "$key" in
					[1234])
						defkey="$key"
						for knr in 1 2 3 4; do
							config_get k "$vif" key$knr
							[ -n "$k" ] || continue
							[ "$defkey" = "$knr" ] && def="=" || def=""
							append vif_do_up "wepkey $def$knr,$k" "$N"
						done
					;;
					"");;
					*) append vif_do_up "wepkey =1,$key" "$N";;
				esac
			;;
			*psk*)
				wsec_r=1
				config_get key "$vif" key

				# psk version + default cipher
				case "$enc" in
					*mixed*|*psk+psk2*) auth=132; wsec=6;;
					*psk2*) auth=128; wsec=4;;
					*) auth=4; wsec=2;;
				esac

				# cipher override
				case "$enc" in
					*tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
					*aes*|*ccmp*) wsec=4;;
					*tkip*) wsec=2;;
				esac

				eval "${vif}_key=\"\$key\""
				nasopts="-k \"\$${vif}_key\""
			;;
			*wpa*)
				wsec_r=1
				eap_r=1
				config_get key "$vif" key
				config_get server "$vif" server
				config_get port "$vif" port

				# wpa version + default cipher
				case "$enc" in
					*mixed*|*wpa+wpa2*) auth=66; wsec=6;;
					*wpa2*) auth=64; wsec=4;;
					*) auth=2; wsec=2;;
				esac

				# cipher override
				case "$enc" in
					*tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
					*aes*|*ccmp*) wsec=4;;
					*tkip*) wsec=2;;
				esac

				eval "${vif}_key=\"\$key\""
				nasopts="-r \"\$${vif}_key\" -h $server -p ${port:-1812}"
			;;
		esac
		append vif_do_up "wsec $wsec" "$N"
		append vif_do_up "wpa_auth $auth" "$N"
		append vif_do_up "wsec_restrict $wsec_r" "$N"
		append vif_do_up "eap_restrict $eap_r" "$N"

		config_get ssid "$vif" ssid
		append vif_post_up "vlan_mode 0" "$N"
		append vif_post_up "ssid $ssid" "$N"
		append vif_do_up "ssid $ssid" "$N"

		[ "$mode" = "monitor" ] && {
			append vif_post_up "monitor $monitor" "$N"
		}

		[ "$mode" = "adhoc" ] && {
			config_get bssid "$vif" bssid
			[ -n "$bssid" ] && {
				append vif_pre_up "bssid $bssid" "$N"
				append vif_pre_up "ibss_merge 0" "$N"
			} || {
				append vif_pre_up "ibss_merge 1" "$N"
			}
		}

		append vif_post_up "enabled 1" "$N"

		config_get ifname "$vif" ifname
		#append if_up "ifconfig $ifname up" ";$N"

		local net_cfg
		net_cfg="$(find_net_config "$vif")"
		[ -z "$net_cfg" ] || {
			append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
			append if_up "start_net '$ifname' '$net_cfg'" ";$N"
		}
		[ -z "$nasopts" ] || {
			eval "${vif}_ssid=\"\$ssid\""
			nas_mode="-A"
			[ "$mode" = "sta" ] && nas_mode="-S"
			[ -z "$nas" ] || {
				nas_cmd="${nas_cmd:+$nas_cmd$N}start-stop-daemon -S -b -p /var/run/nas.$ifname.pid -x $nas -- -P /var/run/nas.$ifname.pid -H 34954 -i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
			}
		}
		_c=$(($_c + 1))
	done
	killall -KILL nas >&- 2>&-
	wlc ifname "$device" stdin <<EOF
$ifdown

gmode ${hwmode:-1}
apsta $apsta
ap $ap
${mssid:+mssid $mssid}
infra $infra
${wet:+wet 1}
802.11d 0
802.11h ${doth:-0}
wme ${wmm:-0}
rxant ${rxantenna:-3}
txant ${txantenna:-3}
fragthresh ${frag:-2346}
rtsthresh ${rts:-2347}
monitor ${monitor:-0}

radio ${radio:-1}
macfilter ${macfilter:-0}
maclist ${maclist:-none}
wds none
${wds:+wds $wds}
country ${country:-US}
${channel:+channel $channel}
maxassoc ${maxassoc:-128}
slottime ${slottime:--1}
${frameburst:+frameburst $frameburst}

$vif_pre_up
up
$vif_post_up
EOF
	eval "$if_up"
	wlc ifname "$device" stdin <<EOF
$vif_do_up
EOF

	# use vif_txpower (from last wifi-iface) instead of txpower (from
	# wifi-device) if the latter does not exist
	txpower=${txpower:-$vif_txpower}
	[ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm

	eval "$nas_cmd"
}


detect_broadcom() {
	local i=-1

	while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
		config_get type wl${i} type
		[ "$type" = broadcom ] && continue
		cat <<EOF
config wifi-device  wl${i}
	option type     broadcom
	option channel  5

	# REMOVE THIS LINE TO ENABLE WIFI:
	option disabled 1

config wifi-iface
	option device   wl${i}
	option network	lan
	option mode     ap
	option ssid     OpenWrt${i#0}
	option encryption none

EOF
	done
}