projects / openwrt / openwrt.git / blob
? search:


cda6f9f438c89fb78a834c60251c13bd53a10eb6
[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 vht_link_adapt:3 \
224 vht160:2
225
226 append base_cfg "ieee80211ac=1" "$N"
227 vht_cap=0
228 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
229 vht_cap="$(($vht_cap | $cap))"
230 done
231
232 cap_rx_stbc=$((($vht_cap >> 8) & 7))
233 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
234 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
235
236 mac80211_add_capabilities vht_capab $vht_cap \
237 RXLDPC:0x10::$rxldpc \
238 SHORT-GI-80:0x20::$short_gi_80 \
239 SHORT-GI-160:0x40::$short_gi_160 \
240 TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
241 SU-BEAMFORMER:0x800::$su_beamformer \
242 SU-BEAMFORMEE:0x1000::$su_beamformee \
243 MU-BEAMFORMER:0x80000::$mu_beamformer \
244 MU-BEAMFORMEE:0x100000::$mu_beamformee \
245 VHT-TXOP-PS:0x200000::$vht_txop_ps \
246 HTC-VHT:0x400000::$htc_vht \
247 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
248 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
249 RX-STBC-1:0x700:0x100:1 \
250 RX-STBC-12:0x700:0x200:1 \
251 RX-STBC-123:0x700:0x300:1 \
252 RX-STBC-1234:0x700:0x400:1 \
253
254 # supported Channel widths
255 vht160_hw=0
256 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
257 vht160_hw=1
258 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
259 vht160_hw=2
260 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
261 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
262
263 # maximum MPDU length
264 vht_max_mpdu_hw=3895
265 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
266 vht_max_mpdu_hw=7991
267 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
268 vht_max_mpdu_hw=11454
269 [ "$vht_max_mpdu_hw" != 3895 ] && \
270 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
271
272 # maximum A-MPDU length exponent
273 vht_max_a_mpdu_len_exp_hw=0
274 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
275 vht_max_a_mpdu_len_exp_hw=1
276 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
277 vht_max_a_mpdu_len_exp_hw=2
278 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
279 vht_max_a_mpdu_len_exp_hw=3
280 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
281 vht_max_a_mpdu_len_exp_hw=4
282 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
283 vht_max_a_mpdu_len_exp_hw=5
284 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
285 vht_max_a_mpdu_len_exp_hw=6
286 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
287 vht_max_a_mpdu_len_exp_hw=7
288 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
289
290 # whether or not the STA supports link adaptation using VHT variant
291 vht_link_adapt_hw=0
292 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
293 vht_link_adapt_hw=2
294 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
295 vht_link_adapt_hw=3
296 [ "$vht_link_adapt_hw" != 0 ] && \
297 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
298
299 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
300 fi
301
302 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
303 cat >> "$hostapd_conf_file" <<EOF
304 ${channel:+channel=$channel}
305 ${channel_list:+chanlist=$channel_list}
306 ${noscan:+noscan=$noscan}
307 $base_cfg
308
309 EOF
310 json_select ..
311 }
312
313 mac80211_hostapd_setup_bss() {
314 local phy="$1"
315 local ifname="$2"
316 local macaddr="$3"
317 local type="$4"
318
319 hostapd_cfg=
320 append hostapd_cfg "$type=$ifname" "$N"
321
322 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
323 json_get_vars wds dtim_period max_listen_int start_disabled
324
325 set_default wds 0
326 set_default start_disabled 0
327
328 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
329 [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
330
331 cat >> /var/run/hostapd-$phy.conf <<EOF
332 $hostapd_cfg
333 bssid=$macaddr
334 ${dtim_period:+dtim_period=$dtim_period}
335 ${max_listen_int:+max_listen_interval=$max_listen_int}
336 EOF
337 }
338
339 mac80211_get_addr() {
340 local phy="$1"
341 local idx="$(($2 + 1))"
342
343 head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
344 }
345
346 mac80211_generate_mac() {
347 local phy="$1"
348 local id="${macidx:-0}"
349
350 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
351 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
352
353 [ "$mask" = "00:00:00:00:00:00" ] && {
354 mask="ff:ff:ff:ff:ff:ff";
355
356 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
357 addr="$(mac80211_get_addr "$phy" "$id")"
358 [ -n "$addr" ] && {
359 echo "$addr"
360 return
361 }
362 }
363 }
364
365 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
366
367 local mask1=$1
368 local mask6=$6
369
370 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
371
372 macidx=$(($id + 1))
373 [ "$((0x$mask1))" -gt 0 ] && {
374 b1="0x$1"
375 [ "$id" -gt 0 ] && \
376 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
377 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
378 return
379 }
380
381 [ "$((0x$mask6))" -lt 255 ] && {
382 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
383 return
384 }
385
386 off2=$(( (0x$6 + $id) / 0x100 ))
387 printf "%s:%s:%s:%s:%02x:%02x" \
388 $1 $2 $3 $4 \
389 $(( (0x$5 + $off2) % 0x100 )) \
390 $(( (0x$6 + $id) % 0x100 ))
391 }
392
393 find_phy() {
394 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
395 [ -n "$path" ] && {
396 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
397 case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
398 *$path) return 0;;
399 esac
400 done
401 }
402 [ -n "$macaddr" ] && {
403 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
404 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
405 done
406 }
407 return 1
408 }
409
410 mac80211_check_ap() {
411 has_ap=1
412 }
413
414 mac80211_iw_interface_add() {
415 local phy="$1"
416 local ifname="$2"
417 local type="$3"
418 local wdsflag="$4"
419 local rc
420
421 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
422 rc="$?"
423
424 [ "$rc" = 233 ] && {
425 # Device might have just been deleted, give the kernel some time to finish cleaning it up
426 sleep 1
427
428 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
429 rc="$?"
430 }
431
432 [ "$rc" != 0 ] && wireless_setup_failed INTERFACE_CREATION_FAILED
433 return $rc
434 }
435
436 mac80211_prepare_vif() {
437 json_select config
438
439 json_get_vars ifname mode ssid wds powersave macaddr
440
441 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
442 if_idx=$((${if_idx:-0} + 1))
443
444 set_default wds 0
445 set_default powersave 0
446
447 json_select ..
448
449 [ -n "$macaddr" ] || {
450 macaddr="$(mac80211_generate_mac $phy)"
451 macidx="$(($macidx + 1))"
452 }
453
454 json_add_object data
455 json_add_string ifname "$ifname"
456 json_close_object
457 json_select config
458
459 # It is far easier to delete and create the desired interface
460 case "$mode" in
461 adhoc)
462 mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
463 ;;
464 ap)
465 # Hostapd will handle recreating the interface and
466 # subsequent virtual APs belonging to the same PHY
467 if [ -n "$hostapd_ctrl" ]; then
468 type=bss
469 else
470 type=interface
471 fi
472
473 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
474
475 [ -n "$hostapd_ctrl" ] || {
476 mac80211_iw_interface_add "$phy" "$ifname" __ap || return
477 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
478 }
479 ;;
480 mesh)
481 mac80211_iw_interface_add "$phy" "$ifname" mp || return
482 ;;
483 monitor)
484 mac80211_iw_interface_add "$phy" "$ifname" monitor || return
485 ;;
486 sta)
487 local wdsflag=
488 staidx="$(($staidx + 1))"
489 [ "$wds" -gt 0 ] && wdsflag="4addr on"
490 mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
491 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
492 iw "$ifname" set power_save "$powersave"
493 ;;
494 esac
495
496 case "$mode" in
497 monitor|mesh)
498 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
499 ;;
500 esac
501
502 if [ "$mode" != "ap" ]; then
503 # ALL ap functionality will be passed to hostapd
504 # All interfaces must have unique mac addresses
505 # which can either be explicitly set in the device
506 # section, or automatically generated
507 ip link set dev "$ifname" address "$macaddr"
508 fi
509
510 json_select ..
511 }
512
513 mac80211_setup_supplicant() {
514 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
515 wpa_supplicant_add_network "$ifname"
516 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
517 }
518
519 mac80211_setup_adhoc_htmode() {
520 case "$htmode" in
521 VHT20|HT20) ibss_htmode=HT20;;
522 HT40*|VHT40|VHT160)
523 case "$hwmode" in
524 a)
525 case "$(( ($channel / 4) % 2 ))" in
526 1) ibss_htmode="HT40+" ;;
527 0) ibss_htmode="HT40-";;
528 esac
529 ;;
530 *)
531 case "$htmode" in
532 HT40+) ibss_htmode="HT40+";;
533 HT40-) ibss_htmode="HT40-";;
534 *)
535 if [ "$channel" -lt 7 ]; then
536 ibss_htmode="HT40+"
537 else
538 ibss_htmode="HT40-"
539 fi
540 ;;
541 esac
542 ;;
543 esac
544 [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
545 ;;
546 VHT80)
547 ibss_htmode="80MHZ"
548 ;;
549 NONE|NOHT)
550 ibss_htmode="NOHT"
551 ;;
552 *) ibss_htmode="" ;;
553 esac
554
555 }
556
557 mac80211_setup_adhoc() {
558 json_get_vars bssid ssid key mcast_rate
559
560 keyspec=
561 [ "$auth_type" = "wep" ] && {
562 set_default key 1
563 case "$key" in
564 [1234])
565 local idx
566 for idx in 1 2 3 4; do
567 json_get_var ikey "key$idx"
568
569 [ -n "$ikey" ] && {
570 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
571 [ $idx -eq $key ] && ikey="d:$ikey"
572 append keyspec "$ikey"
573 }
574 done
575 ;;
576 *)
577 append keyspec "d:0:$(prepare_key_wep "$key")"
578 ;;
579 esac
580 }
581
582 brstr=
583 for br in $basic_rate_list; do
584 wpa_supplicant_add_rate brstr "$br"
585 done
586
587 mcval=
588 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
589
590 iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
591 beacon-interval $beacon_int \
592 ${brstr:+basic-rates $brstr} \
593 ${mcval:+mcast-rate $mcval} \
594 ${keyspec:+keys $keyspec}
595 }
596
597 mac80211_setup_vif() {
598 local name="$1"
599 local failed
600
601 json_select data
602 json_get_vars ifname
603 json_select ..
604
605 json_select config
606 json_get_vars mode
607 json_get_var vif_txpower txpower
608
609 ip link set dev "$ifname" up || {
610 wireless_setup_vif_failed IFUP_ERROR
611 json_select ..
612 return
613 }
614
615 set_default vif_txpower "$txpower"
616 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
617
618 case "$mode" in
619 mesh)
620 # authsae or wpa_supplicant
621 json_get_vars key
622 if [ -n "$key" ]; then
623 if [ -e "/lib/wifi/authsae.sh" ]; then
624 . /lib/wifi/authsae.sh
625 authsae_start_interface || failed=1
626 else
627 wireless_vif_parse_encryption
628 mac80211_setup_supplicant || failed=1
629 fi
630 else
631 json_get_vars mesh_id mcast_rate
632
633 mcval=
634 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
635
636 case "$htmode" in
637 VHT20|HT20) mesh_htmode=HT20;;
638 HT40*|VHT40)
639 case "$hwmode" in
640 a)
641 case "$(( ($channel / 4) % 2 ))" in
642 1) mesh_htmode="HT40+" ;;
643 0) mesh_htmode="HT40-";;
644 esac
645 ;;
646 *)
647 case "$htmode" in
648 HT40+) mesh_htmode="HT40+";;
649 HT40-) mesh_htmode="HT40-";;
650 *)
651 if [ "$channel" -lt 7 ]; then
652 mesh_htmode="HT40+"
653 else
654 mesh_htmode="HT40-"
655 fi
656 ;;
657 esac
658 ;;
659 esac
660 ;;
661 VHT80)
662 mesh_htmode="80Mhz"
663 ;;
664 VHT160)
665 mesh_htmode="160Mhz"
666 ;;
667 *) mesh_htmode="NOHT" ;;
668 esac
669
670 freq="$(get_freq "$phy" "$channel")"
671 iw dev "$ifname" mesh join "$mesh_id" freq $freq $mesh_htmode \
672 ${mcval:+mcast-rate $mcval} \
673 beacon-interval $beacon_int
674 fi
675
676 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
677 json_get_var mp_val "$var"
678 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
679 done
680 ;;
681 adhoc)
682 wireless_vif_parse_encryption
683 mac80211_setup_adhoc_htmode
684 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
685 mac80211_setup_supplicant || failed=1
686 else
687 mac80211_setup_adhoc
688 fi
689 ;;
690 sta)
691 mac80211_setup_supplicant || failed=1
692 ;;
693 esac
694
695 json_select ..
696 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
697 }
698
699 get_freq() {
700 local phy="$1"
701 local chan="$2"
702 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
703 }
704
705 mac80211_interface_cleanup() {
706 local phy="$1"
707
708 for wdev in $(list_phy_interfaces "$phy"); do
709 ip link set dev "$wdev" down 2>/dev/null
710 iw dev "$wdev" del
711 done
712 }
713
714 drv_mac80211_cleanup() {
715 hostapd_common_cleanup
716 }
717
718 drv_mac80211_setup() {
719 json_select config
720 json_get_vars \
721 phy macaddr path \
722 country chanbw distance \
723 txpower antenna_gain \
724 rxantenna txantenna \
725 frag rts beacon_int:100 htmode
726 json_get_values basic_rate_list basic_rate
727 json_select ..
728
729 find_phy || {
730 echo "Could not find PHY for device '$1'"
731 wireless_set_retry 0
732 return 1
733 }
734
735 wireless_set_data phy="$phy"
736 mac80211_interface_cleanup "$phy"
737
738 # convert channel to frequency
739 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
740
741 [ -n "$country" ] && {
742 iw reg get | grep -q "^country $country:" || {
743 iw reg set "$country"
744 sleep 1
745 }
746 }
747
748 hostapd_conf_file="/var/run/hostapd-$phy.conf"
749
750 no_ap=1
751 macidx=0
752 staidx=0
753
754 [ -n "$chanbw" ] && {
755 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
756 [ -f "$file" ] && echo "$chanbw" > "$file"
757 done
758 }
759
760 set_default rxantenna all
761 set_default txantenna all
762 set_default distance 0
763 set_default antenna_gain 0
764
765 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
766 iw phy "$phy" set antenna_gain $antenna_gain
767 iw phy "$phy" set distance "$distance"
768
769 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
770 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
771
772 has_ap=
773 hostapd_ctrl=
774 for_each_interface "ap" mac80211_check_ap
775
776 rm -f "$hostapd_conf_file"
777 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
778
779 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
780 for_each_interface "ap" mac80211_prepare_vif
781
782 [ -n "$hostapd_ctrl" ] && {
783 /usr/sbin/hostapd -s -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
784 ret="$?"
785 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
786 [ "$ret" != 0 ] && {
787 wireless_setup_failed HOSTAPD_START_FAILED
788 return
789 }
790 }
791
792 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
793
794 wireless_set_up
795 }
796
797 list_phy_interfaces() {
798 local phy="$1"
799 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
800 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
801 else
802 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
803 fi
804 }
805
806 drv_mac80211_teardown() {
807 wireless_process_kill_all
808
809 json_select data
810 json_get_vars phy
811 json_select ..
812
813 mac80211_interface_cleanup "$phy"
814 }
815
816 add_driver mac80211
OpenWrt Source Repository