02c195e1fa24ca1606d111d3ba364edaf29c41c3
[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 ht_coex
25 config_add_array ht_capab
26 config_add_array channels
27 config_add_boolean \
28 rxldpc \
29 short_gi_80 \
30 short_gi_160 \
31 tx_stbc_2by1 \
32 su_beamformer \
33 su_beamformee \
34 mu_beamformer \
35 mu_beamformee \
36 vht_txop_ps \
37 htc_vht \
38 rx_antenna_pattern \
39 tx_antenna_pattern
40 config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
41 config_add_boolean \
42 ldpc \
43 greenfield \
44 short_gi_20 \
45 short_gi_40 \
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 config_add_int start_disabled
60
61 # mesh
62 config_add_string mesh_id
63 config_add_int $MP_CONFIG_INT
64 config_add_boolean $MP_CONFIG_BOOL
65 config_add_string $MP_CONFIG_STRING
66 }
67
68 mac80211_add_capabilities() {
69 local __var="$1"; shift
70 local __mask="$1"; shift
71 local __out= oifs
72
73 oifs="$IFS"
74 IFS=:
75 for capab in "$@"; do
76 set -- $capab
77
78 [ "$(($4))" -gt 0 ] || continue
79 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
80 __out="$__out[$1]"
81 done
82 IFS="$oifs"
83
84 export -n -- "$__var=$__out"
85 }
86
87 mac80211_hostapd_setup_base() {
88 local phy="$1"
89
90 json_select config
91
92 [ "$auto_channel" -gt 0 ] && channel=acs_survey
93 [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
94
95 json_get_vars noscan ht_coex
96 json_get_values ht_capab_list ht_capab
97
98 ieee80211n=1
99 ht_capab=
100 case "$htmode" in
101 VHT20|HT20) ;;
102 HT40*|VHT40|VHT80|VHT160)
103 case "$hwmode" in
104 a)
105 case "$(( ($channel / 4) % 2 ))" in
106 1) ht_capab="[HT40+]";;
107 0) ht_capab="[HT40-]";;
108 esac
109 ;;
110 *)
111 case "$htmode" in
112 HT40+) ht_capab="[HT40+]";;
113 HT40-) ht_capab="[HT40-]";;
114 *)
115 if [ "$channel" -lt 7 ]; then
116 ht_capab="[HT40+]"
117 else
118 ht_capab="[HT40-]"
119 fi
120 ;;
121 esac
122 ;;
123 esac
124 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
125 ;;
126 *) ieee80211n= ;;
127 esac
128
129 [ -n "$ieee80211n" ] && {
130 append base_cfg "ieee80211n=1" "$N"
131
132 set_default ht_coex 0
133 append base_cfg "ht_coex=$ht_coex" "$N"
134
135 json_get_vars \
136 ldpc:1 \
137 greenfield:0 \
138 short_gi_20:1 \
139 short_gi_40:1 \
140 tx_stbc:1 \
141 rx_stbc:3 \
142 max_amsdu:1 \
143 dsss_cck_40:1
144
145 ht_cap_mask=0
146 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
147 ht_cap_mask="$(($ht_cap_mask | $cap))"
148 done
149
150 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
151 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
152 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
153
154 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
155 LDPC:0x1::$ldpc \
156 GF:0x10::$greenfield \
157 SHORT-GI-20:0x20::$short_gi_20 \
158 SHORT-GI-40:0x40::$short_gi_40 \
159 TX-STBC:0x80::$tx_stbc \
160 RX-STBC1:0x300:0x100:1 \
161 RX-STBC12:0x300:0x200:1 \
162 RX-STBC123:0x300:0x300:1 \
163 MAX-AMSDU-7935:0x800::$max_amsdu \
164 DSSS_CCK-40:0x1000::$dsss_cck_40
165
166 ht_capab="$ht_capab$ht_capab_flags"
167 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
168 }
169
170 # 802.11ac
171 enable_ac=0
172 idx="$channel"
173 case "$htmode" in
174 VHT20) enable_ac=1;;
175 VHT40)
176 case "$(( ($channel / 4) % 2 ))" in
177 1) idx=$(($channel + 2));;
178 0) idx=$(($channel - 2));;
179 esac
180 enable_ac=1
181 append base_cfg "vht_oper_chwidth=0" "$N"
182 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
183 ;;
184 VHT80)
185 case "$(( ($channel / 4) % 4 ))" in
186 1) idx=$(($channel + 6));;
187 2) idx=$(($channel + 2));;
188 3) idx=$(($channel - 2));;
189 0) idx=$(($channel - 6));;
190 esac
191 enable_ac=1
192 append base_cfg "vht_oper_chwidth=1" "$N"
193 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
194 ;;
195 VHT160)
196 case "$channel" in
197 36|40|44|48|52|56|60|64) idx=50;;
198 100|104|108|112|116|120|124|128) idx=114;;
199 esac
200 enable_ac=1
201 append base_cfg "vht_oper_chwidth=2" "$N"
202 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
203 ;;
204 esac
205
206 if [ "$enable_ac" != "0" ]; then
207 json_get_vars \
208 rxldpc:1 \
209 short_gi_80:1 \
210 short_gi_160:1 \
211 tx_stbc_2by1:1 \
212 su_beamformer:1 \
213 su_beamformee:1 \
214 mu_beamformer:1 \
215 mu_beamformee:1 \
216 vht_txop_ps:1 \
217 htc_vht:1 \
218 rx_antenna_pattern:1 \
219 tx_antenna_pattern:1 \
220 vht_max_a_mpdu_len_exp:7 \
221 vht_max_mpdu:11454 \
222 rx_stbc:4 \
223 tx_stbc:4 \
224 vht_link_adapt:3 \
225 vht160:2
226
227 append base_cfg "ieee80211ac=1" "$N"
228 vht_cap=0
229 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
230 vht_cap="$(($vht_cap | $cap))"
231 done
232
233 cap_rx_stbc=$((($vht_cap >> 8) & 7))
234 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
235 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
236
237 mac80211_add_capabilities vht_capab $vht_cap \
238 RXLDPC:0x10::$rxldpc \
239 SHORT-GI-80:0x20::$short_gi_80 \
240 SHORT-GI-160:0x40::$short_gi_160 \
241 TX-STBC-2BY1:0x80::$tx_stbc \
242 SU-BEAMFORMER:0x800::$su_beamformer \
243 SU-BEAMFORMEE:0x1000::$su_beamformee \
244 MU-BEAMFORMER:0x80000::$mu_beamformer \
245 MU-BEAMFORMEE:0x100000::$mu_beamformee \
246 VHT-TXOP-PS:0x200000::$vht_txop_ps \
247 HTC-VHT:0x400000::$htc_vht \
248 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
249 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
250 RX-STBC1:0x700:0x100:1 \
251 RX-STBC12:0x700:0x200:1 \
252 RX-STBC123:0x700:0x300:1 \
253 RX-STBC1234:0x700:0x400:1 \
254
255 # supported Channel widths
256 vht160_hw=0
257 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
258 vht160_hw=1
259 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
260 vht160_hw=2
261 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
262 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
263
264 # maximum MPDU length
265 vht_max_mpdu_hw=3895
266 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
267 vht_max_mpdu_hw=7991
268 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
269 vht_max_mpdu_hw=11454
270 [ "$vht_max_mpdu_hw" != 3895 ] && \
271 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
272
273 # maximum A-MPDU length exponent
274 vht_max_a_mpdu_len_exp_hw=0
275 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
276 vht_max_a_mpdu_len_exp_hw=1
277 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
278 vht_max_a_mpdu_len_exp_hw=2
279 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
280 vht_max_a_mpdu_len_exp_hw=3
281 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
282 vht_max_a_mpdu_len_exp_hw=4
283 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
284 vht_max_a_mpdu_len_exp_hw=5
285 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
286 vht_max_a_mpdu_len_exp_hw=6
287 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
288 vht_max_a_mpdu_len_exp_hw=7
289 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
290
291 # whether or not the STA supports link adaptation using VHT variant
292 vht_link_adapt_hw=0
293 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
294 vht_link_adapt_hw=2
295 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
296 vht_link_adapt_hw=3
297 [ "$vht_link_adapt_hw" != 0 ] && \
298 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
299
300 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
301 fi
302
303 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
304 cat >> "$hostapd_conf_file" <<EOF
305 ${channel:+channel=$channel}
306 ${channel_list:+chanlist=$channel_list}
307 ${noscan:+noscan=$noscan}
308 $base_cfg
309
310 EOF
311 json_select ..
312 }
313
314 mac80211_hostapd_setup_bss() {
315 local phy="$1"
316 local ifname="$2"
317 local macaddr="$3"
318 local type="$4"
319
320 hostapd_cfg=
321 append hostapd_cfg "$type=$ifname" "$N"
322
323 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
324 json_get_vars wds dtim_period max_listen_int start_disabled
325
326 set_default wds 0
327 set_default start_disabled 0
328
329 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
330 [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$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 $(ls /sys/class/ieee80211 2>/dev/null); do
398 case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
399 *$path) return 0;;
400 esac
401 done
402 }
403 [ -n "$macaddr" ] && {
404 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
405 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
406 done
407 }
408 return 1
409 }
410
411 mac80211_check_ap() {
412 has_ap=1
413 }
414
415 mac80211_prepare_vif() {
416 json_select config
417
418 json_get_vars ifname mode ssid wds powersave macaddr
419
420 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
421 if_idx=$((${if_idx:-0} + 1))
422
423 set_default wds 0
424 set_default powersave 0
425
426 json_select ..
427
428 [ -n "$macaddr" ] || {
429 macaddr="$(mac80211_generate_mac $phy)"
430 macidx="$(($macidx + 1))"
431 }
432
433 json_add_object data
434 json_add_string ifname "$ifname"
435 json_close_object
436 json_select config
437
438 # It is far easier to delete and create the desired interface
439 case "$mode" in
440 adhoc)
441 iw phy "$phy" interface add "$ifname" type adhoc
442 ;;
443 ap)
444 # Hostapd will handle recreating the interface and
445 # subsequent virtual APs belonging to the same PHY
446 if [ -n "$hostapd_ctrl" ]; then
447 type=bss
448 else
449 type=interface
450 fi
451
452 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
453
454 [ -n "$hostapd_ctrl" ] || {
455 iw phy "$phy" interface add "$ifname" type __ap
456 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
457 }
458 ;;
459 mesh)
460 iw phy "$phy" interface add "$ifname" type mp
461 ;;
462 monitor)
463 iw phy "$phy" interface add "$ifname" type monitor
464 ;;
465 sta)
466 local wdsflag=
467 staidx="$(($staidx + 1))"
468 [ "$wds" -gt 0 ] && wdsflag="4addr on"
469 iw phy "$phy" interface add "$ifname" type managed $wdsflag
470 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
471 iw "$ifname" set power_save "$powersave"
472 ;;
473 esac
474
475 case "$mode" in
476 monitor|mesh)
477 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
478 ;;
479 esac
480
481 if [ "$mode" != "ap" ]; then
482 # ALL ap functionality will be passed to hostapd
483 # All interfaces must have unique mac addresses
484 # which can either be explicitly set in the device
485 # section, or automatically generated
486 ip link set dev "$ifname" address "$macaddr"
487 fi
488
489 json_select ..
490 }
491
492 mac80211_setup_supplicant() {
493 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
494 wpa_supplicant_add_network "$ifname"
495 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
496 }
497
498 mac80211_setup_adhoc_htmode() {
499 case "$htmode" in
500 VHT20|HT20) ibss_htmode=HT20;;
501 HT40*|VHT40|VHT160)
502 case "$hwmode" in
503 a)
504 case "$(( ($channel / 4) % 2 ))" in
505 1) ibss_htmode="HT40+" ;;
506 0) ibss_htmode="HT40-";;
507 esac
508 ;;
509 *)
510 case "$htmode" in
511 HT40+) ibss_htmode="HT40+";;
512 HT40-) ibss_htmode="HT40-";;
513 *)
514 if [ "$channel" -lt 7 ]; then
515 ibss_htmode="HT40+"
516 else
517 ibss_htmode="HT40-"
518 fi
519 ;;
520 esac
521 ;;
522 esac
523 [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
524 ;;
525 VHT80)
526 ibss_htmode="80MHZ"
527 ;;
528 NONE|NOHT)
529 ibss_htmode="NOHT"
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="$1"
578 local failed
579
580 json_select data
581 json_get_vars ifname
582 json_select ..
583
584 json_select config
585 json_get_vars mode
586 json_get_var vif_txpower txpower
587
588 ip link set dev "$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 "$mode" in
598 mesh)
599 # authsae or wpa_supplicant
600 json_get_vars key
601 if [ -n "$key" ]; then
602 if [ -e "/lib/wifi/authsae.sh" ]; then
603 . /lib/wifi/authsae.sh
604 authsae_start_interface || failed=1
605 else
606 wireless_vif_parse_encryption
607 mac80211_setup_supplicant || failed=1
608 fi
609 else
610 json_get_vars mesh_id mcast_rate
611
612 mcval=
613 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
614
615 iw dev "$ifname" mesh join "$mesh_id" ${mcval:+mcast-rate $mcval}
616 fi
617
618 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
619 json_get_var mp_val "$var"
620 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
621 done
622 ;;
623 adhoc)
624 wireless_vif_parse_encryption
625 mac80211_setup_adhoc_htmode
626 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
627 mac80211_setup_supplicant || failed=1
628 else
629 mac80211_setup_adhoc
630 fi
631 ;;
632 sta)
633 mac80211_setup_supplicant || failed=1
634 ;;
635 esac
636
637 json_select ..
638 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
639 }
640
641 get_freq() {
642 local phy="$1"
643 local chan="$2"
644 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
645 }
646
647 mac80211_interface_cleanup() {
648 local phy="$1"
649
650 for wdev in $(list_phy_interfaces "$phy"); do
651 ip link set dev "$wdev" down 2>/dev/null
652 iw dev "$wdev" del
653 done
654 }
655
656 drv_mac80211_cleanup() {
657 hostapd_common_cleanup
658 }
659
660 drv_mac80211_setup() {
661 json_select config
662 json_get_vars \
663 phy macaddr path \
664 country chanbw distance \
665 txpower antenna_gain \
666 rxantenna txantenna \
667 frag rts beacon_int htmode
668 json_get_values basic_rate_list basic_rate
669 json_select ..
670
671 find_phy || {
672 echo "Could not find PHY for device '$1'"
673 wireless_set_retry 0
674 return 1
675 }
676
677 wireless_set_data phy="$phy"
678 mac80211_interface_cleanup "$phy"
679
680 # convert channel to frequency
681 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
682
683 [ -n "$country" ] && {
684 iw reg get | grep -q "^country $country:" || {
685 iw reg set "$country"
686 sleep 1
687 }
688 }
689
690 hostapd_conf_file="/var/run/hostapd-$phy.conf"
691
692 no_ap=1
693 macidx=0
694 staidx=0
695
696 [ -n "$chanbw" ] && {
697 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
698 [ -f "$file" ] && echo "$chanbw" > "$file"
699 done
700 }
701
702 set_default rxantenna all
703 set_default txantenna all
704 set_default distance 0
705 set_default antenna_gain 0
706
707 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
708 iw phy "$phy" set antenna_gain $antenna_gain
709 iw phy "$phy" set distance "$distance"
710
711 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
712 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
713
714 has_ap=
715 hostapd_ctrl=
716 for_each_interface "ap" mac80211_check_ap
717
718 rm -f "$hostapd_conf_file"
719 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
720
721 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
722 for_each_interface "ap" mac80211_prepare_vif
723
724 [ -n "$hostapd_ctrl" ] && {
725 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
726 ret="$?"
727 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
728 [ "$ret" != 0 ] && {
729 wireless_setup_failed HOSTAPD_START_FAILED
730 return
731 }
732 }
733
734 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
735
736 wireless_set_up
737 }
738
739 list_phy_interfaces() {
740 local phy="$1"
741 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
742 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
743 else
744 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
745 fi
746 }
747
748 drv_mac80211_teardown() {
749 wireless_process_kill_all
750
751 json_select data
752 json_get_vars phy
753 json_select ..
754
755 mac80211_interface_cleanup "$phy"
756 }
757
758 add_driver mac80211