802.11s: fix authsae support in netifd
[openwrt/openwrt.git] / package / kernel / mac80211 / files / lib / netifd / wireless / mac80211.sh
1 #!/bin/sh
2 . /lib/netifd/netifd-wireless.sh
3 . /lib/netifd/hostapd.sh
4
5 init_wireless_driver "$@"
6
7 MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
8 mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
9 mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
10 mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
11 mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
12 mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
13 mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
14 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
15 MP_CONFIG_STRING="mesh_power_mode"
16
17 drv_mac80211_init_device_config() {
18 hostapd_common_add_device_config
19
20 config_add_string path phy 'macaddr:macaddr'
21 config_add_string hwmode
22 config_add_int beacon_int chanbw frag rts
23 config_add_int rxantenna txantenna antenna_gain txpower distance
24 config_add_boolean noscan
25 config_add_array ht_capab
26 config_add_boolean \
27 rxldpc \
28 short_gi_80 \
29 short_gi_160 \
30 tx_stbc_2by1 \
31 su_beamformer \
32 su_beamformee \
33 mu_beamformer \
34 mu_beamformee \
35 vht_txop_ps \
36 htc_vht \
37 rx_antenna_pattern \
38 tx_antenna_pattern
39 config_add_int vht_max_mpdu vht_max_rx_stbc vht_link_adapt vht160
40 }
41
42 drv_mac80211_init_iface_config() {
43 hostapd_common_add_bss_config
44
45 config_add_string 'macaddr:macaddr' ifname
46
47 config_add_boolean wds powersave
48 config_add_int maxassoc
49 config_add_int max_listen_int
50 config_add_int dtim_interval
51
52 # mesh
53 config_add_string mesh_id
54 config_add_int $MP_CONFIG_INT
55 config_add_boolean $MP_CONFIG_BOOL
56 config_add_string $MP_CONFIG_STRING
57 }
58
59 mac80211_hostapd_setup_base() {
60 local phy="$1"
61
62 json_select config
63
64 [ "$auto_channel" -gt 0 ] && channel=acs_survey
65
66 [ "$enable_ht" -gt 0 ] && {
67 json_get_vars noscan htmode
68 json_get_values ht_capab_list ht_capab
69
70 append base_cfg "ieee80211n=1" "$N"
71
72 ht_capab=
73 case "$htmode" in
74 HT20|HT40-|HT40+) ht_capab="[$htmode]";;
75 VHT40|VHT80|VHT160)
76 case "$channel" in
77 36|44|52|60|100|108|116|124|132|140|149|157) ht_capab="[HT40+]";;
78 40|48|56|64|104|112|120|128|136|144|153|161) ht_capab="[HT40-]";;
79 esac
80 ;;
81 esac
82 for cap in $ht_capab_list; do
83 ht_capab="$ht_capab[$cap]"
84 done
85
86 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
87
88 # 802.11ac
89 enable_ac=0
90 idx="$channel"
91 case "$htmode" in
92 VHT40)
93 case "$channel" in
94 36|40) idx=38;;
95 44|48) idx=42;;
96 52|56) idx=54;;
97 60|64) idx=58;;
98 100|104) idx=102;;
99 108|112) idx=110;;
100 116|120) idx=118;;
101 124|128) idx=126;;
102 132|136) idx=134;;
103 140|144) idx=142;;
104 149|153) idx=151;;
105 157|161) idx=159;;
106 esac
107 enable_ac=1
108 append base_cfg "vht_oper_chwidth=0" "$N"
109 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
110 ;;
111 VHT80)
112 case "$channel" in
113 36|40|44|48) idx=42;;
114 52|56|60|64) idx=58;;
115 100|104|108|112) idx=106;;
116 116|120|124|128) idx=122;;
117 132|136|140|144) idx=138;;
118 149|153|157|161) idx=155;;
119 esac
120 enable_ac=1
121 append base_cfg "vht_oper_chwidth=1" "$N"
122 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
123 ;;
124 VHT160)
125 case "$channel" in
126 36|40|44|48|52|56|60|64) idx=50;;
127 100|104|108|112|116|120|124|128) idx=114;;
128 esac
129 enable_ac=1
130 append base_cfg "vht_oper_chwidth=2" "$N"
131 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
132 ;;
133 esac
134
135 if [ "$enable_ac" != "0" ]; then
136 json_get_vars \
137 rxldpc:1 \
138 short_gi_80:1 \
139 short_gi_160:1 \
140 tx_stbc_2by1:1 \
141 su_beamformer:1 \
142 su_beamformee:1 \
143 mu_beamformer:1 \
144 mu_beamformee:1 \
145 vht_txop_ps:1 \
146 htc_vht:1 \
147 rx_antenna_pattern:1 \
148 tx_antenna_pattern:1 \
149 vht_max_mpdu:11454 \
150 vht_max_rx_stbc:4 \
151 vht_link_adapt:3 \
152 vht160:2
153
154 append base_cfg "ieee80211ac=1" "$N"
155 vht_capab=""
156 vht_cap=0
157 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
158 vht_cap="$(($vht_cap | $cap))"
159 done
160
161 # boolean
162 [ "$((($vht_cap & 16) * $rxldpc))" -eq 16 ] && \
163 vht_capab="$vht_capab[RXLDPC]"
164 [ "$((($vht_cap & 32) * $short_gi_80))" -eq 32 ] && \
165 vht_capab="$vht_capab[SHORT-GI-80]"
166 [ "$((($vht_cap & 64) * $short_gi_160))" -eq 64 ] && \
167 vht_capab="$vht_capab[SHORT-GI-160]"
168 [ "$((($vht_cap & 128) * $tx_stbc_2by1))" -eq 128 ] && \
169 vht_capab="$vht_capab[TX-STBC-2BY1]"
170 [ "$((($vht_cap & 2048) * $su_beamformer))" -eq 2048 ] && \
171 vht_capab="$vht_capab[SU-BEAMFORMER]"
172 [ "$((($vht_cap & 4096) * $su_beamformee))" -eq 4096 ] && \
173 vht_capab="$vht_capab[SU-BEAMFORMEE]"
174 [ "$((($vht_cap & 524288) * $mu_beamformer))" -eq 524288 ] && \
175 vht_capab="$vht_capab[MU-BEAMFORMER]"
176 [ "$((($vht_cap & 1048576) * $mu_beamformee))" -eq 1048576 ] && \
177 vht_capab="$vht_capab[MU-BEAMFORMEE]"
178 [ "$((($vht_cap & 2097152) * $vht_txop_ps))" -eq 2097152 ] && \
179 vht_capab="$vht_capab[VHT-TXOP-PS]"
180 [ "$((($vht_cap & 4194304) * $htc_vht))" -eq 4194304 ] && \
181 vht_capab="$vht_capab[HTC-VHT]"
182 [ "$((($vht_cap & 268435456) * $rx_antenna_pattern))" -eq 268435456 ] && \
183 vht_capab="$vht_capab[RX-ANTENNA-PATTERN]"
184 [ "$((($vht_cap & 536870912) * $tx_antenna_pattern))" -eq 536870912 ] && \
185 vht_capab="$vht_capab[TX-ANTENNA-PATTERN]"
186
187 # supported Channel widths
188 vht160_hw=0
189 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
190 vht160_hw=1
191 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
192 vht160_hw=2
193 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
194 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
195
196 # maximum MPDU length
197 vht_max_mpdu_hw=3895
198 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
199 vht_max_mpdu_hw=7991
200 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
201 vht_max_mpdu_hw=11454
202 [ "$vht_max_mpdu_hw" != 3895 ] && \
203 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
204
205 # support for the reception of PPDUs using STBC
206 vht_max_rx_stbc_hw=0
207 [ "$(($vht_cap & 1792))" -ge 256 -a 1 -le "$vht_max_rx_stbc" ] && \
208 vht_max_rx_stbc_hw=1
209 [ "$(($vht_cap & 1792))" -ge 512 -a 2 -le "$vht_max_rx_stbc" ] && \
210 vht_max_rx_stbc_hw=2
211 [ "$(($vht_cap & 1792))" -ge 768 -a 3 -le "$vht_max_rx_stbc" ] && \
212 vht_max_rx_stbc_hw=3
213 [ "$(($vht_cap & 1792))" -ge 1024 -a 4 -le "$vht_max_rx_stbc" ] && \
214 vht_max_rx_stbc_hw=4
215 [ "$vht_max_rx_stbc_hw" = 1 ] && vht_capab="$vht_capab[RX-STBC-1]"
216 [ "$vht_max_rx_stbc_hw" = 2 ] && vht_capab="$vht_capab[RX-STBC-12]"
217 [ "$vht_max_rx_stbc_hw" = 3 ] && vht_capab="$vht_capab[RX-STBC-123]"
218 [ "$vht_max_rx_stbc_hw" = 4 ] && vht_capab="$vht_capab[RX-STBC-1234]"
219
220 # whether or not the STA supports link adaptation using VHT variant
221 vht_link_adapt_hw=0
222 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
223 vht_link_adapt_hw=2
224 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
225 vht_link_adapt_hw=3
226 [ "$vht_link_adapt_hw" != 0 ] && \
227 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
228
229 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
230 fi
231 }
232
233 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
234 cat >> "$hostapd_conf_file" <<EOF
235 ${channel:+channel=$channel}
236 ${noscan:+noscan=$noscan}
237 $base_cfg
238
239 EOF
240 json_select ..
241 }
242
243 mac80211_hostapd_setup_bss() {
244 local phy="$1"
245 local ifname="$2"
246 local macaddr="$3"
247 local type="$4"
248
249 hostapd_cfg=
250 append hostapd_cfg "$type=$ifname" "$N"
251
252 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
253 json_get_vars wds dtim_period max_listen_int
254
255 set_default wds 0
256
257 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
258 [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
259
260 cat >> /var/run/hostapd-$phy.conf <<EOF
261 $hostapd_cfg
262 bssid=$macaddr
263 ${dtim_period:+dtim_period=$dtim_period}
264 ${max_listen_int:+max_listen_interval=$max_listen_int}
265 EOF
266 }
267
268 mac80211_generate_mac() {
269 local phy="$1"
270 local id="${macidx:-0}"
271
272 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
273 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
274
275 [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
276 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
277
278 local mask1=$1
279 local mask6=$6
280
281 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
282
283 macidx=$(($id + 1))
284 [ "$((0x$mask1))" -gt 0 ] && {
285 b1="0x$1"
286 [ "$id" -gt 0 ] && \
287 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
288 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
289 return
290 }
291
292 [ "$((0x$mask6))" -lt 255 ] && {
293 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
294 return
295 }
296
297 off2=$(( (0x$6 + $id) / 0x100 ))
298 printf "%s:%s:%s:%s:%02x:%02x" \
299 $1 $2 $3 $4 \
300 $(( (0x$5 + $off2) % 0x100 )) \
301 $(( (0x$6 + $id) % 0x100 ))
302 }
303
304 find_phy() {
305 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
306 [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
307 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
308 [ -n "$phy" ] && return 0
309 }
310 [ -n "$macaddr" ] && {
311 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
312 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
313 done
314 }
315 return 1
316 }
317
318 mac80211_check_ap() {
319 has_ap=1
320 }
321
322 mac80211_prepare_vif() {
323 json_select config
324
325 json_get_vars ifname mode ssid wds powersave macaddr
326
327 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
328 if_idx=$((${if_idx:-0} + 1))
329
330 set_default wds 0
331 set_default powersave 0
332
333 json_select ..
334
335 [ -n "$macaddr" ] || {
336 macaddr="$(mac80211_generate_mac $phy)"
337 macidx="$(($macidx + 1))"
338 }
339
340 json_add_object data
341 json_add_string ifname "$ifname"
342 json_close_object
343 json_select config
344
345 # It is far easier to delete and create the desired interface
346 case "$mode" in
347 adhoc)
348 iw phy "$phy" interface add "$ifname" type adhoc
349 ;;
350 ap)
351 # Hostapd will handle recreating the interface and
352 # subsequent virtual APs belonging to the same PHY
353 if [ -n "$hostapd_ctrl" ]; then
354 type=bss
355 else
356 type=interface
357 fi
358
359 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
360
361 [ -n "$hostapd_ctrl" ] || {
362 iw phy "$phy" interface add "$ifname" type managed
363 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
364 }
365 ;;
366 mesh)
367 json_get_vars key mesh_id
368 if [ -n "$key" ]; then
369 iw phy "$phy" interface add "$ifname" type mp
370 else
371 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
372 fi
373 ;;
374 monitor)
375 iw phy "$phy" interface add "$ifname" type monitor
376 ;;
377 sta)
378 local wdsflag=
379 staidx="$(($staidx + 1))"
380 [ "$wds" -gt 0 ] && wdsflag="4addr on"
381 iw phy "$phy" interface add "$ifname" type managed $wdsflag
382 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
383 iw "$ifname" set power_save "$powersave"
384 ;;
385 esac
386
387 case "$mode" in
388 monitor|mesh)
389 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
390 ;;
391 esac
392
393 if [ "$mode" != "ap" ]; then
394 # ALL ap functionality will be passed to hostapd
395 # All interfaces must have unique mac addresses
396 # which can either be explicitly set in the device
397 # section, or automatically generated
398 ifconfig "$ifname" hw ether "$macaddr"
399 fi
400
401 json_select ..
402 }
403
404 mac80211_setup_supplicant() {
405 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
406 wpa_supplicant_add_network "$ifname"
407 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
408 }
409
410 mac80211_setup_adhoc() {
411 json_get_vars bssid ssid key mcast_rate
412
413 keyspec=
414 [ "$auth_type" == "wep" ] && {
415 set_default key 1
416 case "$key" in
417 [1234])
418 local idx
419 for idx in 1 2 3 4; do
420 json_get_var ikey "key$idx"
421
422 [ -n "$ikey" ] && {
423 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
424 [ $idx -eq $key ] && ikey="d:$ikey"
425 append keyspec "$ikey"
426 }
427 done
428 ;;
429 *)
430 append keyspec "d:0:$(prepare_key_wep "$key")"
431 ;;
432 esac
433 }
434
435 brstr=
436 for br in $basic_rate_list; do
437 hostapd_add_rate brstr "$br"
438 done
439
440 mcval=
441 [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
442
443 iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
444 ${beacon_int:+beacon-interval $beacon_int} \
445 ${brstr:+basic-rates $brstr} \
446 ${mcval:+mcast-rate $mcval} \
447 ${keyspec:+keys $keyspec}
448 }
449
450 mac80211_setup_vif() {
451 local name="$1"
452 local failed
453
454 json_select data
455 json_get_vars ifname
456 json_select ..
457
458 json_select config
459 json_get_vars mode
460 json_get_var vif_txpower txpower
461
462 ifconfig "$ifname" up || {
463 wireless_setup_vif_failed IFUP_ERROR
464 json_select ..
465 return
466 }
467
468 set_default vif_txpower "$txpower"
469 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
470
471 case "$mode" in
472 mesh)
473 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
474 json_get_var mp_val "$var"
475 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
476 done
477
478 # authsae
479 json_get_vars key
480 if [ -n "$key" ]; then
481 if [ -e "/lib/wifi/authsae.sh" ]; then
482 . /lib/wifi/authsae.sh
483 authsae_start_interface || failed=1
484 else
485 wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
486 json_select ..
487 return
488 fi
489 fi
490 ;;
491 adhoc)
492 wireless_vif_parse_encryption
493 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
494 mac80211_setup_supplicant || failed=1
495 else
496 mac80211_setup_adhoc
497 fi
498 ;;
499 sta)
500 mac80211_setup_supplicant || failed=1
501 ;;
502 esac
503
504 json_select ..
505 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
506 }
507
508 get_freq() {
509 local phy="$1"
510 local chan="$2"
511 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
512 }
513
514 mac80211_interface_cleanup() {
515 local phy="$1"
516
517 for wdev in $(list_phy_interfaces "$phy"); do
518 ifconfig "$wdev" down 2>/dev/null
519 iw dev "$wdev" del
520 done
521 }
522
523 drv_mac80211_cleanup() {
524 hostapd_common_cleanup
525 }
526
527 drv_mac80211_setup() {
528 json_select config
529 json_get_vars \
530 phy macaddr path \
531 country chanbw distance \
532 txpower antenna_gain \
533 rxantenna txantenna \
534 frag rts beacon_int
535 json_get_values basic_rate_list basic_rate
536 json_select ..
537
538 find_phy || {
539 echo "Could not find PHY for device '$1'"
540 wireless_set_retry 0
541 return 1
542 }
543
544 wireless_set_data phy="$phy"
545 mac80211_interface_cleanup "$phy"
546
547 # convert channel to frequency
548 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
549
550 [ -n "$country" ] && {
551 iw reg get | grep -q "^country $country:" || {
552 iw reg set "$country"
553 sleep 1
554 }
555 }
556
557 hostapd_conf_file="/var/run/hostapd-$phy.conf"
558
559 no_ap=1
560 macidx=0
561 staidx=0
562
563 [ -n "$chanbw" ] && {
564 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
565 [ -f "$file" ] && echo "$chanbw" > "$file"
566 done
567 }
568
569 set_default rxantenna all
570 set_default txantenna all
571 set_default distance 0
572 set_default antenna_gain 0
573
574 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
575 iw phy "$phy" set antenna_gain $antenna_gain
576 iw phy "$phy" set distance "$distance"
577
578 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
579 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
580
581 has_ap=
582 hostapd_ctrl=
583 for_each_interface "ap" mac80211_check_ap
584
585 rm -f "$hostapd_conf_file"
586 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
587
588 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
589 for_each_interface "ap" mac80211_prepare_vif
590
591 [ -n "$hostapd_ctrl" ] && {
592 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
593 ret="$?"
594 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
595 [ "$ret" != 0 ] && {
596 wireless_setup_failed HOSTAPD_START_FAILED
597 return
598 }
599 }
600
601 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
602
603 wireless_set_up
604 }
605
606 list_phy_interfaces() {
607 local phy="$1"
608 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
609 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
610 else
611 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
612 fi
613 }
614
615 drv_mac80211_teardown() {
616 wireless_process_kill_all
617
618 json_select data
619 json_get_vars phy
620 json_select ..
621
622 mac80211_interface_cleanup "$phy"
623 }
624
625 add_driver mac80211