mac80211: Add some missing 802.11n capabilities to hostapd configuration
[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_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
40         config_add_boolean \
41                 ldpc \
42                 greenfield \
43                 short_gi_20 \
44                 short_gi_40 \
45                 smps \
46                 max_amsdu \
47                 dsss_cck_40
48 }
49
50 drv_mac80211_init_iface_config() {
51         hostapd_common_add_bss_config
52
53         config_add_string 'macaddr:macaddr' ifname
54
55         config_add_boolean wds powersave
56         config_add_int maxassoc
57         config_add_int max_listen_int
58         config_add_int dtim_period
59
60         # mesh
61         config_add_string mesh_id
62         config_add_int $MP_CONFIG_INT
63         config_add_boolean $MP_CONFIG_BOOL
64         config_add_string $MP_CONFIG_STRING
65 }
66
67 mac80211_add_capabilities() {
68         local __var="$1"; shift
69         local __mask="$1"; shift
70         local __out= oifs
71
72         oifs="$IFS"
73         IFS=:
74         for capab in "$@"; do
75                 set -- $capab
76
77                 [ "$(($4))" -gt 0 ] || continue
78                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
79                 __out="$__out[$1]"
80         done
81         IFS="$oifs"
82
83         export -n -- "$__var=$__out"
84 }
85
86 mac80211_hostapd_setup_base() {
87         local phy="$1"
88
89         json_select config
90
91         [ "$auto_channel" -gt 0 ] && channel=acs_survey
92
93         json_get_vars noscan
94         json_get_values ht_capab_list ht_capab
95
96         ieee80211n=1
97         ht_capab=
98         case "$htmode" in
99                 VHT20|HT20) ;;
100                 HT40*|VHT40|VHT80|VHT160)
101                         case "$hwmode" in
102                                 a)
103                                         case "$(( ($channel / 4) % 2 ))" in
104                                                 1) ht_capab="[HT40+]";;
105                                                 0) ht_capab="[HT40-]";;
106                                         esac
107                                 ;;
108                                 *)
109                                         case "$htmode" in
110                                                 HT40+) ht_capab="[HT40+]";;
111                                                 HT40-) ht_capab="[HT40-]";;
112                                                 *)
113                                                         if [ "$channel" -lt 7 ]; then
114                                                                 ht_capab="[HT40+]"
115                                                         else
116                                                                 ht_capab="[HT40-]"
117                                                         fi
118                                                 ;;
119                                         esac
120                                 ;;
121                         esac
122                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
123                 ;;
124                 *) ieee80211n= ;;
125         esac
126
127         [ -n "$ieee80211n" ] && {
128                 append base_cfg "ieee80211n=1" "$N"
129
130                 json_get_vars \
131                         ldpc:1 \
132                         greenfield:0 \
133                         short_gi_20:1 \
134                         short_gi_40:1 \
135                         smps:1 \
136                         tx_stbc:1 \
137                         rx_stbc:3 \
138                         max_amsdu:1 \
139                         dsss_cck_40:1
140
141                 ht_cap_mask=0
142                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
143                         ht_cap_mask="$(($ht_cap_mask | $cap))"
144                 done
145
146                 cap_smps=$((($ht_cap_mask >> 2) & 3))
147
148                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
149                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
150                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
151
152                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
153                         LDPC:0x1::$ldpc \
154                         GF:0x10::$greenfield \
155                         SHORT-GI-20:0x20::$short_gi_20 \
156                         SHORT-GI-40:0x40::$short_gi_40 \
157                         TX-STBC:0x80::$tx_stbc \
158                         RX-STBC1:0x300:0x100:1 \
159                         RX-STBC12:0x300:0x200:1 \
160                         RX-STBC123:0x300:0x300:1 \
161                         MAX-AMSDU-7935:0x800::$max_amsdu \
162                         DSSS_CCK-40:0x1000::$dsss_cck_40
163
164                 # SM Power Save: 0=static, 1=dynamic, 3=disabled
165                 [ "$smps" = 1 -a "$cap_smps" = 0 ] && ht_capab_flags="$ht_capab_flags[SMPS-STATIC]"
166                 [ "$smps" = 1 -a "$cap_smps" = 1 ] && ht_capab_flags="$ht_capab_flags[SMPS-DYNAMIC]"
167
168                 ht_capab="$ht_capab$ht_capab_flags"
169                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
170         }
171
172         # 802.11ac
173         enable_ac=0
174         idx="$channel"
175         case "$htmode" in
176                 VHT20) enable_ac=1;;
177                 VHT40)
178                         case "$(( ($channel / 4) % 2 ))" in
179                                 1) idx=$(($channel + 2));;
180                                 0) idx=$(($channel - 2));;
181                         esac
182                         enable_ac=1
183                         append base_cfg "vht_oper_chwidth=0" "$N"
184                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
185                 ;;
186                 VHT80)
187                         case "$(( ($channel / 4) % 4 ))" in
188                                 1) idx=$(($channel + 6));;
189                                 2) idx=$(($channel + 2));;
190                                 3) idx=$(($channel - 2));;
191                                 0) idx=$(($channel - 6));;
192                         esac
193                         enable_ac=1
194                         append base_cfg "vht_oper_chwidth=1" "$N"
195                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
196                 ;;
197                 VHT160)
198                         case "$channel" in
199                                 36|40|44|48|52|56|60|64) idx=50;;
200                                 100|104|108|112|116|120|124|128) idx=114;;
201                         esac
202                         enable_ac=1
203                         append base_cfg "vht_oper_chwidth=2" "$N"
204                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
205                 ;;
206         esac
207
208         if [ "$enable_ac" != "0" ]; then
209                 json_get_vars \
210                         rxldpc:1 \
211                         short_gi_80:1 \
212                         short_gi_160:1 \
213                         tx_stbc_2by1:1 \
214                         su_beamformer:1 \
215                         su_beamformee:1 \
216                         mu_beamformer:1 \
217                         mu_beamformee:1 \
218                         vht_txop_ps:1 \
219                         htc_vht:1 \
220                         rx_antenna_pattern:1 \
221                         tx_antenna_pattern:1 \
222                         vht_max_a_mpdu_len_exp:7 \
223                         vht_max_mpdu:11454 \
224                         rx_stbc:4 \
225                         tx_stbc:4 \
226                         vht_link_adapt:3 \
227                         vht160:2
228
229                 append base_cfg "ieee80211ac=1" "$N"
230                 vht_cap=0
231                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
232                         vht_cap="$(($vht_cap | $cap))"
233                 done
234
235                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
236                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
237                 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
238
239                 mac80211_add_capabilities vht_capab $vht_cap \
240                         RXLDPC:0x10::$rxldpc \
241                         SHORT-GI-80:0x20::$short_gi_80 \
242                         SHORT-GI-160:0x40::$short_gi_160 \
243                         TX-STBC-2BY1:0x80::$tx_stbc \
244                         SU-BEAMFORMER:0x800::$su_beamformer \
245                         SU-BEAMFORMEE:0x1000::$su_beamformee \
246                         MU-BEAMFORMER:0x80000::$mu_beamformer \
247                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
248                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
249                         HTC-VHT:0x400000::$htc_vht \
250                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
251                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
252                         RX-STBC1:0x700:0x100:1 \
253                         RX-STBC12:0x700:0x200:1 \
254                         RX-STBC123:0x700:0x300:1 \
255                         RX-STBC1234:0x700:0x400:1 \
256
257                 # supported Channel widths
258                 vht160_hw=0
259                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
260                         vht160_hw=1
261                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
262                         vht160_hw=2
263                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
264                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
265
266                 # maximum MPDU length
267                 vht_max_mpdu_hw=3895
268                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
269                         vht_max_mpdu_hw=7991
270                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
271                         vht_max_mpdu_hw=11454
272                 [ "$vht_max_mpdu_hw" != 3895 ] && \
273                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
274                         
275                 # maximum A-MPDU length exponent
276                 vht_max_a_mpdu_len_exp_hw=0
277                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
278                         vht_max_a_mpdu_len_exp_hw=1
279                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
280                         vht_max_a_mpdu_len_exp_hw=2
281                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
282                         vht_max_a_mpdu_len_exp_hw=3
283                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
284                         vht_max_a_mpdu_len_exp_hw=4
285                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
286                         vht_max_a_mpdu_len_exp_hw=5
287                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
288                         vht_max_a_mpdu_len_exp_hw=6
289                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
290                         vht_max_a_mpdu_len_exp_hw=7
291                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
292
293                 # whether or not the STA supports link adaptation using VHT variant
294                 vht_link_adapt_hw=0
295                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
296                         vht_link_adapt_hw=2
297                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
298                         vht_link_adapt_hw=3
299                 [ "$vht_link_adapt_hw" != 0 ] && \
300                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
301
302                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
303         fi
304
305         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
306         cat >> "$hostapd_conf_file" <<EOF
307 ${channel:+channel=$channel}
308 ${noscan:+noscan=$noscan}
309 $base_cfg
310
311 EOF
312         json_select ..
313 }
314
315 mac80211_hostapd_setup_bss() {
316         local phy="$1"
317         local ifname="$2"
318         local macaddr="$3"
319         local type="$4"
320
321         hostapd_cfg=
322         append hostapd_cfg "$type=$ifname" "$N"
323
324         hostapd_set_bss_options hostapd_cfg "$vif" || return 1
325         json_get_vars wds dtim_period max_listen_int
326
327         set_default wds 0
328
329         [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
330         [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
331
332         cat >> /var/run/hostapd-$phy.conf <<EOF
333 $hostapd_cfg
334 bssid=$macaddr
335 ${dtim_period:+dtim_period=$dtim_period}
336 ${max_listen_int:+max_listen_interval=$max_listen_int}
337 EOF
338 }
339
340 mac80211_get_addr() {
341         local phy="$1"
342         local idx="$(($2 + 1))"
343
344         head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
345 }
346
347 mac80211_generate_mac() {
348         local phy="$1"
349         local id="${macidx:-0}"
350
351         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
352         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
353
354         [ "$mask" = "00:00:00:00:00:00" ] && {
355                 mask="ff:ff:ff:ff:ff:ff";
356
357                 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
358                         addr="$(mac80211_get_addr "$phy" "$id")"
359                         [ -n "$addr" ] && {
360                                 echo "$addr"
361                                 return
362                         }
363                 }
364         }
365
366         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
367
368         local mask1=$1
369         local mask6=$6
370
371         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
372
373         macidx=$(($id + 1))
374         [ "$((0x$mask1))" -gt 0 ] && {
375                 b1="0x$1"
376                 [ "$id" -gt 0 ] && \
377                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
378                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
379                 return
380         }
381
382         [ "$((0x$mask6))" -lt 255 ] && {
383                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
384                 return
385         }
386
387         off2=$(( (0x$6 + $id) / 0x100 ))
388         printf "%s:%s:%s:%s:%02x:%02x" \
389                 $1 $2 $3 $4 \
390                 $(( (0x$5 + $off2) % 0x100 )) \
391                 $(( (0x$6 + $id) % 0x100 ))
392 }
393
394 find_phy() {
395         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
396         [ -n "$path" ] && {
397                 for phy in /sys/devices/$path/ieee80211/phy*; do
398                         [ -e "$phy" ] && {
399                                 phy="${phy##*/}"
400                                 return 0
401                         }
402                 done
403         }
404         [ -n "$macaddr" ] && {
405                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
406                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
407                 done
408         }
409         return 1
410 }
411
412 mac80211_check_ap() {
413         has_ap=1
414 }
415
416 mac80211_prepare_vif() {
417         json_select config
418
419         json_get_vars ifname mode ssid wds powersave macaddr
420
421         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
422         if_idx=$((${if_idx:-0} + 1))
423
424         set_default wds 0
425         set_default powersave 0
426
427         json_select ..
428
429         [ -n "$macaddr" ] || {
430                 macaddr="$(mac80211_generate_mac $phy)"
431                 macidx="$(($macidx + 1))"
432         }
433
434         json_add_object data
435         json_add_string ifname "$ifname"
436         json_close_object
437         json_select config
438
439         # It is far easier to delete and create the desired interface
440         case "$mode" in
441                 adhoc)
442                         iw phy "$phy" interface add "$ifname" type adhoc
443                 ;;
444                 ap)
445                         # Hostapd will handle recreating the interface and
446                         # subsequent virtual APs belonging to the same PHY
447                         if [ -n "$hostapd_ctrl" ]; then
448                                 type=bss
449                         else
450                                 type=interface
451                         fi
452
453                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
454
455                         [ -n "$hostapd_ctrl" ] || {
456                                 iw phy "$phy" interface add "$ifname" type managed
457                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
458                         }
459                 ;;
460                 mesh)
461                         json_get_vars key mesh_id
462                         if [ -n "$key" ]; then
463                                 iw phy "$phy" interface add "$ifname" type mp
464                         else
465                                 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
466                         fi
467                 ;;
468                 monitor)
469                         iw phy "$phy" interface add "$ifname" type monitor
470                 ;;
471                 sta)
472                         local wdsflag=
473                         staidx="$(($staidx + 1))"
474                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
475                         iw phy "$phy" interface add "$ifname" type managed $wdsflag
476                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
477                         iw "$ifname" set power_save "$powersave"
478                 ;;
479         esac
480
481         case "$mode" in
482                 monitor|mesh)
483                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
484                 ;;
485         esac
486
487         if [ "$mode" != "ap" ]; then
488                 # ALL ap functionality will be passed to hostapd
489                 # All interfaces must have unique mac addresses
490                 # which can either be explicitly set in the device
491                 # section, or automatically generated
492                 ifconfig "$ifname" hw ether "$macaddr"
493         fi
494
495         json_select ..
496 }
497
498 mac80211_setup_supplicant() {
499         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
500         wpa_supplicant_add_network "$ifname"
501         wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
502 }
503
504 mac80211_setup_adhoc_htmode() {
505         case "$htmode" in
506                 VHT20|HT20) ibss_htmode=HT20;;
507                 HT40*|VHT40|VHT80|VHT160)
508                         case "$hwmode" in
509                                 a)
510                                         case "$(( ($channel / 4) % 2 ))" in
511                                                 1) ibss_htmode="HT40+" ;;
512                                                 0) ibss_htmode="HT40-";;
513                                         esac
514                                 ;;
515                                 *)
516                                         case "$htmode" in
517                                                 HT40+) ibss_htmode="HT40+";;
518                                                 HT40-) ibss_htmode="HT40-";;
519                                                 *)
520                                                         if [ "$channel" -lt 7 ]; then
521                                                                 ibss_htmode="HT40+"
522                                                         else
523                                                                 ibss_htmode="HT40-"
524                                                         fi
525                                                 ;;
526                                         esac
527                                 ;;
528                         esac
529                         [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
530                 ;;
531                 *) ibss_htmode="" ;;
532         esac
533
534 }
535
536 mac80211_setup_adhoc() {
537         json_get_vars bssid ssid key mcast_rate
538
539         keyspec=
540         [ "$auth_type" = "wep" ] && {
541                 set_default key 1
542                 case "$key" in
543                         [1234])
544                                 local idx
545                                 for idx in 1 2 3 4; do
546                                         json_get_var ikey "key$idx"
547
548                                         [ -n "$ikey" ] && {
549                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
550                                                 [ $idx -eq $key ] && ikey="d:$ikey"
551                                                 append keyspec "$ikey"
552                                         }
553                                 done
554                         ;;
555                         *)
556                                 append keyspec "d:0:$(prepare_key_wep "$key")"
557                         ;;
558                 esac
559         }
560
561         brstr=
562         for br in $basic_rate_list; do
563                 wpa_supplicant_add_rate brstr "$br"
564         done
565
566         mcval=
567         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
568
569         iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
570                 ${beacon_int:+beacon-interval $beacon_int} \
571                 ${brstr:+basic-rates $brstr} \
572                 ${mcval:+mcast-rate $mcval} \
573                 ${keyspec:+keys $keyspec}
574 }
575
576 mac80211_setup_vif() {
577         local name="$1"
578         local failed
579
580         json_select data
581         json_get_vars ifname
582         json_select ..
583
584         json_select config
585         json_get_vars mode
586         json_get_var vif_txpower txpower
587
588         ifconfig "$ifname" up || {
589                 wireless_setup_vif_failed IFUP_ERROR
590                 json_select ..
591                 return
592         }
593
594         set_default vif_txpower "$txpower"
595         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
596
597         case "$mode" in
598                 mesh)
599                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
600                                 json_get_var mp_val "$var"
601                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
602                         done
603
604                         # authsae
605                         json_get_vars key
606                         if [ -n "$key" ]; then
607                                 if [ -e "/lib/wifi/authsae.sh" ]; then
608                                         . /lib/wifi/authsae.sh
609                                         authsae_start_interface || failed=1
610                                 else
611                                         wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
612                                         json_select ..
613                                         return
614                                 fi
615                         fi
616                 ;;
617                 adhoc)
618                         wireless_vif_parse_encryption
619                         mac80211_setup_adhoc_htmode
620                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
621                                 mac80211_setup_supplicant || failed=1
622                         else
623                                 mac80211_setup_adhoc
624                         fi
625                 ;;
626                 sta)
627                         mac80211_setup_supplicant || failed=1
628                 ;;
629         esac
630
631         json_select ..
632         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
633 }
634
635 get_freq() {
636         local phy="$1"
637         local chan="$2"
638         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
639 }
640
641 mac80211_interface_cleanup() {
642         local phy="$1"
643
644         for wdev in $(list_phy_interfaces "$phy"); do
645                 ifconfig "$wdev" down 2>/dev/null
646                 iw dev "$wdev" del
647         done
648 }
649
650 drv_mac80211_cleanup() {
651         hostapd_common_cleanup
652 }
653
654 drv_mac80211_setup() {
655         json_select config
656         json_get_vars \
657                 phy macaddr path \
658                 country chanbw distance \
659                 txpower antenna_gain \
660                 rxantenna txantenna \
661                 frag rts beacon_int htmode
662         json_get_values basic_rate_list basic_rate
663         json_select ..
664
665         find_phy || {
666                 echo "Could not find PHY for device '$1'"
667                 wireless_set_retry 0
668                 return 1
669         }
670
671         wireless_set_data phy="$phy"
672         mac80211_interface_cleanup "$phy"
673
674         # convert channel to frequency
675         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
676
677         [ -n "$country" ] && {
678                 iw reg get | grep -q "^country $country:" || {
679                         iw reg set "$country"
680                         sleep 1
681                 }
682         }
683
684         hostapd_conf_file="/var/run/hostapd-$phy.conf"
685
686         no_ap=1
687         macidx=0
688         staidx=0
689
690         [ -n "$chanbw" ] && {
691                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
692                         [ -f "$file" ] && echo "$chanbw" > "$file"
693                 done
694         }
695
696         set_default rxantenna all
697         set_default txantenna all
698         set_default distance 0
699         set_default antenna_gain 0
700
701         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
702         iw phy "$phy" set antenna_gain $antenna_gain
703         iw phy "$phy" set distance "$distance"
704
705         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
706         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
707
708         has_ap=
709         hostapd_ctrl=
710         for_each_interface "ap" mac80211_check_ap
711
712         rm -f "$hostapd_conf_file"
713         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
714
715         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
716         for_each_interface "ap" mac80211_prepare_vif
717
718         [ -n "$hostapd_ctrl" ] && {
719                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
720                 ret="$?"
721                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
722                 [ "$ret" != 0 ] && {
723                         wireless_setup_failed HOSTAPD_START_FAILED
724                         return
725                 }
726         }
727
728         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
729
730         wireless_set_up
731 }
732
733 list_phy_interfaces() {
734         local phy="$1"
735         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
736                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
737         else
738                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
739         fi
740 }
741
742 drv_mac80211_teardown() {
743         wireless_process_kill_all
744
745         json_select data
746         json_get_vars phy
747         json_select ..
748
749         mac80211_interface_cleanup "$phy"
750 }
751
752 add_driver mac80211