e177978c7f611f68037c15cee9acbd68e63ec0be
[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 /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 "$ifname" type __ap
457 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
458 }
459 ;;
460 mesh)
461 iw phy "$phy" interface add "$ifname" type mp
462 ;;
463 monitor)
464 iw phy "$phy" interface add "$ifname" type monitor
465 ;;
466 sta)
467 local wdsflag=
468 staidx="$(($staidx + 1))"
469 [ "$wds" -gt 0 ] && wdsflag="4addr on"
470 iw phy "$phy" interface add "$ifname" type managed $wdsflag
471 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
472 iw "$ifname" set power_save "$powersave"
473 ;;
474 esac
475
476 case "$mode" in
477 monitor|mesh)
478 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
479 ;;
480 esac
481
482 if [ "$mode" != "ap" ]; then
483 # ALL ap functionality will be passed to hostapd
484 # All interfaces must have unique mac addresses
485 # which can either be explicitly set in the device
486 # section, or automatically generated
487 ip link set dev "$ifname" address "$macaddr"
488 fi
489
490 json_select ..
491 }
492
493 mac80211_setup_supplicant() {
494 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
495 wpa_supplicant_add_network "$ifname"
496 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
497 }
498
499 mac80211_setup_adhoc_htmode() {
500 case "$htmode" in
501 VHT20|HT20) ibss_htmode=HT20;;
502 HT40*|VHT40|VHT160)
503 case "$hwmode" in
504 a)
505 case "$(( ($channel / 4) % 2 ))" in
506 1) ibss_htmode="HT40+" ;;
507 0) ibss_htmode="HT40-";;
508 esac
509 ;;
510 *)
511 case "$htmode" in
512 HT40+) ibss_htmode="HT40+";;
513 HT40-) ibss_htmode="HT40-";;
514 *)
515 if [ "$channel" -lt 7 ]; then
516 ibss_htmode="HT40+"
517 else
518 ibss_htmode="HT40-"
519 fi
520 ;;
521 esac
522 ;;
523 esac
524 [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
525 ;;
526 VHT80)
527 ibss_htmode="80Mhz"
528 ;;
529 *) ibss_htmode="" ;;
530 esac
531
532 }
533
534 mac80211_setup_adhoc() {
535 json_get_vars bssid ssid key mcast_rate
536
537 keyspec=
538 [ "$auth_type" = "wep" ] && {
539 set_default key 1
540 case "$key" in
541 [1234])
542 local idx
543 for idx in 1 2 3 4; do
544 json_get_var ikey "key$idx"
545
546 [ -n "$ikey" ] && {
547 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
548 [ $idx -eq $key ] && ikey="d:$ikey"
549 append keyspec "$ikey"
550 }
551 done
552 ;;
553 *)
554 append keyspec "d:0:$(prepare_key_wep "$key")"
555 ;;
556 esac
557 }
558
559 brstr=
560 for br in $basic_rate_list; do
561 wpa_supplicant_add_rate brstr "$br"
562 done
563
564 mcval=
565 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
566
567 iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
568 ${beacon_int:+beacon-interval $beacon_int} \
569 ${brstr:+basic-rates $brstr} \
570 ${mcval:+mcast-rate $mcval} \
571 ${keyspec:+keys $keyspec}
572 }
573
574 mac80211_setup_vif() {
575 local name="$1"
576 local failed
577
578 json_select data
579 json_get_vars ifname
580 json_select ..
581
582 json_select config
583 json_get_vars mode
584 json_get_var vif_txpower txpower
585
586 ip link set dev "$ifname" up || {
587 wireless_setup_vif_failed IFUP_ERROR
588 json_select ..
589 return
590 }
591
592 set_default vif_txpower "$txpower"
593 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
594
595 case "$mode" in
596 mesh)
597 # authsae or wpa_supplicant
598 json_get_vars key
599 if [ -n "$key" ]; then
600 if [ -e "/lib/wifi/authsae.sh" ]; then
601 . /lib/wifi/authsae.sh
602 authsae_start_interface || failed=1
603 else
604 wireless_vif_parse_encryption
605 mac80211_setup_supplicant || failed=1
606 fi
607 else
608 json_get_vars mesh_id mcast_rate
609
610 mcval=
611 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
612
613 iw dev "$ifname" mesh join "$mesh_id" ${mcval:+mcast-rate $mcval}
614 fi
615
616 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
617 json_get_var mp_val "$var"
618 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
619 done
620 ;;
621 adhoc)
622 wireless_vif_parse_encryption
623 mac80211_setup_adhoc_htmode
624 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
625 mac80211_setup_supplicant || failed=1
626 else
627 mac80211_setup_adhoc
628 fi
629 ;;
630 sta)
631 mac80211_setup_supplicant || failed=1
632 ;;
633 esac
634
635 json_select ..
636 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
637 }
638
639 get_freq() {
640 local phy="$1"
641 local chan="$2"
642 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
643 }
644
645 mac80211_interface_cleanup() {
646 local phy="$1"
647
648 for wdev in $(list_phy_interfaces "$phy"); do
649 ip link set dev "$wdev" down 2>/dev/null
650 iw dev "$wdev" del
651 done
652 }
653
654 drv_mac80211_cleanup() {
655 hostapd_common_cleanup
656 }
657
658 drv_mac80211_setup() {
659 json_select config
660 json_get_vars \
661 phy macaddr path \
662 country chanbw distance \
663 txpower antenna_gain \
664 rxantenna txantenna \
665 frag rts beacon_int htmode
666 json_get_values basic_rate_list basic_rate
667 json_select ..
668
669 find_phy || {
670 echo "Could not find PHY for device '$1'"
671 wireless_set_retry 0
672 return 1
673 }
674
675 wireless_set_data phy="$phy"
676 mac80211_interface_cleanup "$phy"
677
678 # convert channel to frequency
679 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
680
681 [ -n "$country" ] && {
682 iw reg get | grep -q "^country $country:" || {
683 iw reg set "$country"
684 sleep 1
685 }
686 }
687
688 hostapd_conf_file="/var/run/hostapd-$phy.conf"
689
690 no_ap=1
691 macidx=0
692 staidx=0
693
694 [ -n "$chanbw" ] && {
695 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
696 [ -f "$file" ] && echo "$chanbw" > "$file"
697 done
698 }
699
700 set_default rxantenna all
701 set_default txantenna all
702 set_default distance 0
703 set_default antenna_gain 0
704
705 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
706 iw phy "$phy" set antenna_gain $antenna_gain
707 iw phy "$phy" set distance "$distance"
708
709 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
710 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
711
712 has_ap=
713 hostapd_ctrl=
714 for_each_interface "ap" mac80211_check_ap
715
716 rm -f "$hostapd_conf_file"
717 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
718
719 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
720 for_each_interface "ap" mac80211_prepare_vif
721
722 [ -n "$hostapd_ctrl" ] && {
723 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
724 ret="$?"
725 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
726 [ "$ret" != 0 ] && {
727 wireless_setup_failed HOSTAPD_START_FAILED
728 return
729 }
730 }
731
732 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
733
734 wireless_set_up
735 }
736
737 list_phy_interfaces() {
738 local phy="$1"
739 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
740 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
741 else
742 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
743 fi
744 }
745
746 drv_mac80211_teardown() {
747 wireless_process_kill_all
748
749 json_select data
750 json_get_vars phy
751 json_select ..
752
753 mac80211_interface_cleanup "$phy"
754 }
755
756 add_driver mac80211