5214704830ff0bb8c99cdcb2158c1e576eed84ef
[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 . /lib/netifd/mac80211.sh
5
6 init_wireless_driver "$@"
7
8 MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
9 mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
10 mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
11 mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
12 mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
13 mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
14 mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
15 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
16 MP_CONFIG_STRING="mesh_power_mode"
17
18 NEWAPLIST=
19 OLDAPLIST=
20 NEWSPLIST=
21 OLDSPLIST=
22 NEWUMLIST=
23 OLDUMLIST=
24
25 drv_mac80211_init_device_config() {
26 hostapd_common_add_device_config
27
28 config_add_string path phy 'macaddr:macaddr'
29 config_add_string hwmode
30 config_add_string tx_burst
31 config_add_string distance
32 config_add_int beacon_int chanbw frag rts
33 config_add_int rxantenna txantenna antenna_gain txpower
34 config_add_boolean noscan ht_coex acs_exclude_dfs
35 config_add_array ht_capab
36 config_add_array channels
37 config_add_boolean \
38 rxldpc \
39 short_gi_80 \
40 short_gi_160 \
41 tx_stbc_2by1 \
42 su_beamformer \
43 su_beamformee \
44 mu_beamformer \
45 mu_beamformee \
46 vht_txop_ps \
47 htc_vht \
48 rx_antenna_pattern \
49 tx_antenna_pattern
50 config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
51 config_add_boolean \
52 ldpc \
53 greenfield \
54 short_gi_20 \
55 short_gi_40 \
56 max_amsdu \
57 dsss_cck_40
58 }
59
60 drv_mac80211_init_iface_config() {
61 hostapd_common_add_bss_config
62
63 config_add_string 'macaddr:macaddr' ifname
64
65 config_add_boolean wds powersave enable
66 config_add_string wds_bridge
67 config_add_int maxassoc
68 config_add_int max_listen_int
69 config_add_int dtim_period
70 config_add_int start_disabled
71
72 # mesh
73 config_add_string mesh_id
74 config_add_int $MP_CONFIG_INT
75 config_add_boolean $MP_CONFIG_BOOL
76 config_add_string $MP_CONFIG_STRING
77 }
78
79 mac80211_add_capabilities() {
80 local __var="$1"; shift
81 local __mask="$1"; shift
82 local __out= oifs
83
84 oifs="$IFS"
85 IFS=:
86 for capab in "$@"; do
87 set -- $capab
88
89 [ "$(($4))" -gt 0 ] || continue
90 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
91 __out="$__out[$1]"
92 done
93 IFS="$oifs"
94
95 export -n -- "$__var=$__out"
96 }
97
98 mac80211_hostapd_setup_base() {
99 local phy="$1"
100
101 json_select config
102
103 [ "$auto_channel" -gt 0 ] && channel=acs_survey
104
105 [ "$auto_channel" -gt 0 ] && json_get_vars acs_exclude_dfs
106 [ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
107 append base_cfg "acs_exclude_dfs=1" "$N"
108
109 json_get_vars noscan ht_coex
110 json_get_values ht_capab_list ht_capab tx_burst
111 json_get_values channel_list channels
112
113 [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
114 channel_list="$channel"
115
116 set_default noscan 0
117
118 [ "$noscan" -gt 0 ] && hostapd_noscan=1
119 [ "$tx_burst" = 0 ] && tx_burst=
120
121 ieee80211n=1
122 ht_capab=
123 case "$htmode" in
124 VHT20|HT20) ;;
125 HT40*|VHT40|VHT80|VHT160)
126 case "$hwmode" in
127 a)
128 case "$(( ($channel / 4) % 2 ))" in
129 1) ht_capab="[HT40+]";;
130 0) ht_capab="[HT40-]";;
131 esac
132 ;;
133 *)
134 case "$htmode" in
135 HT40+) ht_capab="[HT40+]";;
136 HT40-) ht_capab="[HT40-]";;
137 *)
138 if [ "$channel" -lt 7 ]; then
139 ht_capab="[HT40+]"
140 else
141 ht_capab="[HT40-]"
142 fi
143 ;;
144 esac
145 ;;
146 esac
147 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
148 ;;
149 *) ieee80211n= ;;
150 esac
151
152 [ -n "$ieee80211n" ] && {
153 append base_cfg "ieee80211n=1" "$N"
154
155 set_default ht_coex 0
156 append base_cfg "ht_coex=$ht_coex" "$N"
157
158 json_get_vars \
159 ldpc:1 \
160 greenfield:0 \
161 short_gi_20:1 \
162 short_gi_40:1 \
163 tx_stbc:1 \
164 rx_stbc:3 \
165 max_amsdu:1 \
166 dsss_cck_40:1
167
168 ht_cap_mask=0
169 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
170 ht_cap_mask="$(($ht_cap_mask | $cap))"
171 done
172
173 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
174 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
175 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
176
177 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
178 LDPC:0x1::$ldpc \
179 GF:0x10::$greenfield \
180 SHORT-GI-20:0x20::$short_gi_20 \
181 SHORT-GI-40:0x40::$short_gi_40 \
182 TX-STBC:0x80::$tx_stbc \
183 RX-STBC1:0x300:0x100:1 \
184 RX-STBC12:0x300:0x200:1 \
185 RX-STBC123:0x300:0x300:1 \
186 MAX-AMSDU-7935:0x800::$max_amsdu \
187 DSSS_CCK-40:0x1000::$dsss_cck_40
188
189 ht_capab="$ht_capab$ht_capab_flags"
190 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
191 }
192
193 # 802.11ac
194 enable_ac=0
195 idx="$channel"
196 case "$htmode" in
197 VHT20) enable_ac=1;;
198 VHT40)
199 case "$(( ($channel / 4) % 2 ))" in
200 1) idx=$(($channel + 2));;
201 0) idx=$(($channel - 2));;
202 esac
203 enable_ac=1
204 append base_cfg "vht_oper_chwidth=0" "$N"
205 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
206 ;;
207 VHT80)
208 case "$(( ($channel / 4) % 4 ))" in
209 1) idx=$(($channel + 6));;
210 2) idx=$(($channel + 2));;
211 3) idx=$(($channel - 2));;
212 0) idx=$(($channel - 6));;
213 esac
214 enable_ac=1
215 append base_cfg "vht_oper_chwidth=1" "$N"
216 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
217 ;;
218 VHT160)
219 case "$channel" in
220 36|40|44|48|52|56|60|64) idx=50;;
221 100|104|108|112|116|120|124|128) idx=114;;
222 esac
223 enable_ac=1
224 append base_cfg "vht_oper_chwidth=2" "$N"
225 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
226 ;;
227 esac
228
229 if [ "$enable_ac" != "0" ]; then
230 json_get_vars \
231 rxldpc:1 \
232 short_gi_80:1 \
233 short_gi_160:1 \
234 tx_stbc_2by1:1 \
235 su_beamformer:1 \
236 su_beamformee:1 \
237 mu_beamformer:1 \
238 mu_beamformee:1 \
239 vht_txop_ps:1 \
240 htc_vht:1 \
241 rx_antenna_pattern:1 \
242 tx_antenna_pattern:1 \
243 vht_max_a_mpdu_len_exp:7 \
244 vht_max_mpdu:11454 \
245 rx_stbc:4 \
246 vht_link_adapt:3 \
247 vht160:2
248
249 set_default tx_burst 2.0
250 append base_cfg "ieee80211ac=1" "$N"
251 vht_cap=0
252 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
253 vht_cap="$(($vht_cap | $cap))"
254 done
255
256 cap_rx_stbc=$((($vht_cap >> 8) & 7))
257 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
258 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
259
260 mac80211_add_capabilities vht_capab $vht_cap \
261 RXLDPC:0x10::$rxldpc \
262 SHORT-GI-80:0x20::$short_gi_80 \
263 SHORT-GI-160:0x40::$short_gi_160 \
264 TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
265 SU-BEAMFORMER:0x800::$su_beamformer \
266 SU-BEAMFORMEE:0x1000::$su_beamformee \
267 MU-BEAMFORMER:0x80000::$mu_beamformer \
268 MU-BEAMFORMEE:0x100000::$mu_beamformee \
269 VHT-TXOP-PS:0x200000::$vht_txop_ps \
270 HTC-VHT:0x400000::$htc_vht \
271 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
272 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
273 RX-STBC-1:0x700:0x100:1 \
274 RX-STBC-12:0x700:0x200:1 \
275 RX-STBC-123:0x700:0x300:1 \
276 RX-STBC-1234:0x700:0x400:1 \
277
278 # supported Channel widths
279 vht160_hw=0
280 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
281 vht160_hw=1
282 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
283 vht160_hw=2
284 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
285 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
286
287 # maximum MPDU length
288 vht_max_mpdu_hw=3895
289 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
290 vht_max_mpdu_hw=7991
291 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
292 vht_max_mpdu_hw=11454
293 [ "$vht_max_mpdu_hw" != 3895 ] && \
294 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
295
296 # maximum A-MPDU length exponent
297 vht_max_a_mpdu_len_exp_hw=0
298 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
299 vht_max_a_mpdu_len_exp_hw=1
300 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
301 vht_max_a_mpdu_len_exp_hw=2
302 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
303 vht_max_a_mpdu_len_exp_hw=3
304 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
305 vht_max_a_mpdu_len_exp_hw=4
306 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
307 vht_max_a_mpdu_len_exp_hw=5
308 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
309 vht_max_a_mpdu_len_exp_hw=6
310 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
311 vht_max_a_mpdu_len_exp_hw=7
312 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
313
314 # whether or not the STA supports link adaptation using VHT variant
315 vht_link_adapt_hw=0
316 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
317 vht_link_adapt_hw=2
318 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
319 vht_link_adapt_hw=3
320 [ "$vht_link_adapt_hw" != 0 ] && \
321 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
322
323 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
324 fi
325
326 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
327 cat >> "$hostapd_conf_file" <<EOF
328 ${channel:+channel=$channel}
329 ${channel_list:+chanlist=$channel_list}
330 ${hostapd_noscan:+noscan=1}
331 ${tx_burst:+tx_queue_data2_burst=$tx_burst}
332 $base_cfg
333
334 EOF
335 json_select ..
336 radio_md5sum=$(md5sum $hostapd_conf_file | cut -d" " -f1)
337 echo "radio_config_id=${radio_md5sum}" >> $hostapd_conf_file
338 }
339
340 mac80211_hostapd_setup_bss() {
341 local phy="$1"
342 local ifname="$2"
343 local macaddr="$3"
344 local type="$4"
345
346 hostapd_cfg=
347 append hostapd_cfg "$type=$ifname" "$N"
348
349 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
350 json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
351
352 set_default wds 0
353 set_default start_disabled 0
354
355 [ "$wds" -gt 0 ] && {
356 append hostapd_cfg "wds_sta=1" "$N"
357 [ -n "$wds_bridge" ] && append hostapd_cfg "wds_bridge=$wds_bridge" "$N"
358 }
359 [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
360
361 cat >> /var/run/hostapd-$phy.conf <<EOF
362 $hostapd_cfg
363 bssid=$macaddr
364 ${dtim_period:+dtim_period=$dtim_period}
365 ${max_listen_int:+max_listen_interval=$max_listen_int}
366 EOF
367 }
368
369 mac80211_get_addr() {
370 local phy="$1"
371 local idx="$(($2 + 1))"
372
373 head -n $idx /sys/class/ieee80211/${phy}/addresses | tail -n1
374 }
375
376 mac80211_generate_mac() {
377 local phy="$1"
378 local id="${macidx:-0}"
379
380 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
381 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
382
383 [ "$mask" = "00:00:00:00:00:00" ] && {
384 mask="ff:ff:ff:ff:ff:ff";
385
386 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
387 addr="$(mac80211_get_addr "$phy" "$id")"
388 [ -n "$addr" ] && {
389 echo "$addr"
390 return
391 }
392 }
393 }
394
395 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
396
397 local mask1=$1
398 local mask6=$6
399
400 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
401
402 macidx=$(($id + 1))
403 [ "$((0x$mask1))" -gt 0 ] && {
404 b1="0x$1"
405 [ "$id" -gt 0 ] && \
406 b1=$(($b1 ^ ((($id - !($b1 & 2)) << 2) | 0x2)))
407 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
408 return
409 }
410
411 [ "$((0x$mask6))" -lt 255 ] && {
412 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
413 return
414 }
415
416 off2=$(( (0x$6 + $id) / 0x100 ))
417 printf "%s:%s:%s:%s:%02x:%02x" \
418 $1 $2 $3 $4 \
419 $(( (0x$5 + $off2) % 0x100 )) \
420 $(( (0x$6 + $id) % 0x100 ))
421 }
422
423 find_phy() {
424 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
425 [ -n "$path" ] && {
426 phy="$(mac80211_path_to_phy "$path")"
427 [ -n "$phy" ] && return 0
428 }
429 [ -n "$macaddr" ] && {
430 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
431 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
432 done
433 }
434 return 1
435 }
436
437 mac80211_check_ap() {
438 has_ap=1
439 }
440
441 mac80211_iw_interface_add() {
442 local phy="$1"
443 local ifname="$2"
444 local type="$3"
445 local wdsflag="$4"
446 local rc
447 local oldifname
448
449 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
450 rc="$?"
451
452 [ "$rc" = 233 ] && {
453 # Device might have just been deleted, give the kernel some time to finish cleaning it up
454 sleep 1
455
456 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
457 rc="$?"
458 }
459
460 [ "$rc" = 233 ] && {
461 # Keep matching pre-existing interface
462 [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && \
463 case "$(iw dev $ifname info | grep "^\ttype" | cut -d' ' -f2- 2>/dev/null)" in
464 "AP")
465 [ "$type" = "__ap" ] && rc=0
466 ;;
467 "IBSS")
468 [ "$type" = "adhoc" ] && rc=0
469 ;;
470 "managed")
471 [ "$type" = "managed" ] && rc=0
472 ;;
473 "mesh point")
474 [ "$type" = "mp" ] && rc=0
475 ;;
476 "monitor")
477 [ "$type" = "monitor" ] && rc=0
478 ;;
479 esac
480 }
481
482 [ "$rc" = 233 ] && {
483 iw dev "$ifname" del >/dev/null 2>&1
484 [ "$?" = 0 ] && {
485 sleep 1
486
487 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
488 rc="$?"
489 }
490 }
491
492 [ "$rc" != 0 ] && {
493 # Device might not support virtual interfaces, so the interface never got deleted in the first place.
494 # Check if the interface already exists, and avoid failing in this case.
495 [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && rc=0
496 }
497
498 [ "$rc" != 0 ] && {
499 # Device doesn't support virtual interfaces and may have existing interface other than ifname.
500 oldifname="$(basename "/sys/class/ieee80211/${phy}/device/net"/* 2>/dev/null)"
501 [ "$oldifname" ] && ip link set "$oldifname" name "$ifname" 1>/dev/null 2>&1
502 rc="$?"
503 }
504
505 [ "$rc" != 0 ] && wireless_setup_failed INTERFACE_CREATION_FAILED
506 return $rc
507 }
508
509 mac80211_prepare_vif() {
510 json_select config
511
512 json_get_vars ifname mode ssid wds powersave macaddr enable wpa_psk_file vlan_file
513
514 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
515 if_idx=$((${if_idx:-0} + 1))
516
517 set_default wds 0
518 set_default powersave 0
519
520 json_select ..
521
522 [ -n "$macaddr" ] || {
523 macaddr="$(mac80211_generate_mac $phy)"
524 macidx="$(($macidx + 1))"
525 }
526
527 json_add_object data
528 json_add_string ifname "$ifname"
529 json_close_object
530
531 [ "$mode" == "ap" ] && {
532 [ -z "$wpa_psk_file" ] && hostapd_set_psk "$ifname"
533 [ -z "$vlan_file" ] && hostapd_set_vlan "$ifname"
534 }
535
536 json_select config
537
538 # It is far easier to delete and create the desired interface
539 case "$mode" in
540 adhoc)
541 mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
542 ;;
543 ap)
544 # Hostapd will handle recreating the interface and
545 # subsequent virtual APs belonging to the same PHY
546 if [ -n "$hostapd_ctrl" ]; then
547 type=bss
548 else
549 type=interface
550 fi
551
552 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
553
554 NEWAPLIST="${NEWAPLIST}$ifname "
555 [ -n "$hostapd_ctrl" ] || {
556 ap_ifname="${ifname}"
557 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
558 }
559 ;;
560 mesh)
561 mac80211_iw_interface_add "$phy" "$ifname" mp || return
562 ;;
563 monitor)
564 mac80211_iw_interface_add "$phy" "$ifname" monitor || return
565 ;;
566 sta)
567 local wdsflag=
568 [ "$enable" = 0 ] || staidx="$(($staidx + 1))"
569 [ "$wds" -gt 0 ] && wdsflag="4addr on"
570 mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
571 if [ "$wds" -gt 0 ]; then
572 iw "$ifname" set 4addr on
573 else
574 iw "$ifname" set 4addr off
575 fi
576 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
577 iw "$ifname" set power_save "$powersave"
578 ;;
579 esac
580
581 case "$mode" in
582 monitor|mesh)
583 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $iw_htmode
584 ;;
585 esac
586
587 if [ "$mode" != "ap" ]; then
588 # ALL ap functionality will be passed to hostapd
589 # All interfaces must have unique mac addresses
590 # which can either be explicitly set in the device
591 # section, or automatically generated
592 ip link set dev "$ifname" address "$macaddr"
593 fi
594
595 json_select ..
596 }
597
598 mac80211_setup_supplicant() {
599 local enable=$1
600 local add_sp=0
601 local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
602
603 [ "$enable" = 0 ] && {
604 ubus call wpa_supplicant.${phy} config_del "{\"iface\":\"$ifname\"}"
605 ip link set dev "$ifname" down
606 iw dev "$ifname" del
607 return 0
608 }
609
610 wpa_supplicant_prepare_interface "$ifname" nl80211 || {
611 iw dev "$ifname" del
612 return 1
613 }
614 if [ "$mode" = "sta" ]; then
615 wpa_supplicant_add_network "$ifname"
616 else
617 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
618 fi
619
620 NEWSPLIST="${NEWSPLIST}$ifname "
621
622 if [ "${NEWAPLIST%% *}" != "${OLDAPLIST%% *}" ]; then
623 [ "$spobj" ] && ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
624 add_sp=1
625 fi
626 [ -z "$spobj" ] && add_sp=1
627
628 NEW_MD5_SP=$(test -e "${_config}" && md5sum ${_config})
629 OLD_MD5_SP=$(uci -q -P /var/state get wireless._${phy}.md5_${ifname})
630 if [ "$add_sp" = "1" ]; then
631 wpa_supplicant_run "$ifname" "$hostapd_ctrl"
632 else
633 [ "${NEW_MD5_SP}" == "${OLD_MD5_SP}" ] || ubus call $spobj reload
634 fi
635 uci -q -P /var/state set wireless._${phy}.md5_${ifname}="${NEW_MD5_SP}"
636 return 0
637 }
638
639 mac80211_setup_supplicant_noctl() {
640 local enable=$1
641 local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
642 wpa_supplicant_prepare_interface "$ifname" nl80211 || {
643 iw dev "$ifname" del
644 return 1
645 }
646
647 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
648
649 NEWSPLIST="${NEWSPLIST}$ifname "
650 [ "$enable" = 0 ] && {
651 ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
652 ip link set dev "$ifname" down
653 return 0
654 }
655 if [ -z "$spobj" ]; then
656 wpa_supplicant_run "$ifname"
657 else
658 ubus call $spobj reload
659 fi
660 }
661
662 mac80211_prepare_iw_htmode() {
663 case "$htmode" in
664 VHT20|HT20) iw_htmode=HT20;;
665 HT40*|VHT40|VHT160)
666 case "$hwmode" in
667 a)
668 case "$(( ($channel / 4) % 2 ))" in
669 1) iw_htmode="HT40+" ;;
670 0) iw_htmode="HT40-";;
671 esac
672 ;;
673 *)
674 case "$htmode" in
675 HT40+) iw_htmode="HT40+";;
676 HT40-) iw_htmode="HT40-";;
677 *)
678 if [ "$channel" -lt 7 ]; then
679 iw_htmode="HT40+"
680 else
681 iw_htmode="HT40-"
682 fi
683 ;;
684 esac
685 ;;
686 esac
687 [ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
688 ;;
689 VHT80)
690 iw_htmode="80MHZ"
691 ;;
692 NONE|NOHT)
693 iw_htmode="NOHT"
694 ;;
695 *) iw_htmode="" ;;
696 esac
697 }
698
699 mac80211_setup_adhoc() {
700 local enable=$1
701 json_get_vars bssid ssid key mcast_rate
702
703 NEWUMLIST="${NEWUMLIST}$ifname "
704
705 [ "$enable" = 0 ] && {
706 ip link set dev "$ifname" down
707 return 0
708 }
709
710 keyspec=
711 [ "$auth_type" = "wep" ] && {
712 set_default key 1
713 case "$key" in
714 [1234])
715 local idx
716 for idx in 1 2 3 4; do
717 json_get_var ikey "key$idx"
718
719 [ -n "$ikey" ] && {
720 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
721 [ $idx -eq $key ] && ikey="d:$ikey"
722 append keyspec "$ikey"
723 }
724 done
725 ;;
726 *)
727 append keyspec "d:0:$(prepare_key_wep "$key")"
728 ;;
729 esac
730 }
731
732 brstr=
733 for br in $basic_rate_list; do
734 wpa_supplicant_add_rate brstr "$br"
735 done
736
737 mcval=
738 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
739
740 iw dev "$ifname" ibss join "$ssid" $freq $iw_htmode fixed-freq $bssid \
741 beacon-interval $beacon_int \
742 ${brstr:+basic-rates $brstr} \
743 ${mcval:+mcast-rate $mcval} \
744 ${keyspec:+keys $keyspec}
745 }
746
747 mac80211_setup_mesh() {
748 local enable=$1
749 json_get_vars ssid mesh_id mcast_rate
750
751 NEWUMLIST="${NEWUMLIST}$ifname "
752
753 [ "$enable" = 0 ] && {
754 ip link set dev "$ifname" down
755 return 0
756 }
757
758 mcval=
759 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
760 [ -n "$mesh_id" ] && ssid="$mesh_id"
761
762 iw dev "$ifname" mesh join "$ssid" freq $freq $iw_htmode \
763 ${mcval:+mcast-rate $mcval} \
764 beacon-interval $beacon_int
765 }
766
767 mac80211_setup_vif() {
768 local name="$1"
769 local failed
770 local action=up
771
772 json_select data
773 json_get_vars ifname
774 json_select ..
775
776 json_select config
777 json_get_vars mode
778 json_get_var vif_txpower
779 json_get_var vif_enable enable 1
780
781 [ "$vif_enable" = 1 ] || action=down
782 if [ "$mode" != "ap" ] || [ "$ifname" = "$ap_ifname" ]; then
783 ip link set dev "$ifname" "$action" || {
784 wireless_setup_vif_failed IFUP_ERROR
785 json_select ..
786 return
787 }
788 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
789 fi
790
791 case "$mode" in
792 mesh)
793 wireless_vif_parse_encryption
794 [ -z "$htmode" ] && htmode="NOHT";
795 freq="$(get_freq "$phy" "$channel")"
796 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ] || chan_is_dfs "$phy" "$channel"; then
797 mac80211_setup_supplicant $vif_enable || failed=1
798 else
799 mac80211_setup_mesh $vif_enable
800 fi
801 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
802 json_get_var mp_val "$var"
803 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
804 done
805 ;;
806 adhoc)
807 wireless_vif_parse_encryption
808 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
809 freq="$(get_freq "$phy" "$channel")"
810 mac80211_setup_supplicant_noctl $vif_enable || failed=1
811 else
812 mac80211_setup_adhoc $vif_enable
813 fi
814 ;;
815 sta)
816 mac80211_setup_supplicant $vif_enable || failed=1
817 ;;
818 esac
819
820 json_select ..
821 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
822 }
823
824 get_freq() {
825 local phy="$1"
826 local chan="$2"
827 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
828 }
829
830 chan_is_dfs() {
831 local phy="$1"
832 local chan="$2"
833 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
834 return $!
835 }
836
837 mac80211_vap_cleanup() {
838 local service="$1"
839 local vaps="$2"
840
841 for wdev in $vaps; do
842 [ "$service" != "none" ] && ubus call ${service} config_remove "{\"iface\":\"$wdev\"}"
843 ip link set dev "$wdev" down 2>/dev/null
844 iw dev "$wdev" del
845 done
846 }
847
848 mac80211_interface_cleanup() {
849 local phy="$1"
850 local primary_ap=$(uci -q -P /var/state get wireless._${phy}.aplist)
851 primary_ap=${primary_ap%% *}
852
853 mac80211_vap_cleanup hostapd "${primary_ap}"
854 mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
855 mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
856 }
857
858 mac80211_set_noscan() {
859 hostapd_noscan=1
860 }
861
862 drv_mac80211_cleanup() {
863 hostapd_common_cleanup
864 }
865
866 drv_mac80211_setup() {
867 json_select config
868 json_get_vars \
869 phy macaddr path \
870 country chanbw distance \
871 txpower antenna_gain \
872 rxantenna txantenna \
873 frag rts beacon_int:100 htmode
874 json_get_values basic_rate_list basic_rate
875 json_select ..
876
877 find_phy || {
878 echo "Could not find PHY for device '$1'"
879 wireless_set_retry 0
880 return 1
881 }
882
883 [ -z "$(uci -q -P /var/state show wireless._${phy})" ] && {
884 uci -q -P /var/state set wireless._${phy}=phy
885 wireless_set_data phy="$phy"
886 }
887
888 OLDAPLIST=$(uci -q -P /var/state get wireless._${phy}.aplist)
889 OLDSPLIST=$(uci -q -P /var/state get wireless._${phy}.splist)
890 OLDUMLIST=$(uci -q -P /var/state get wireless._${phy}.umlist)
891
892 local wdev
893 local cwdev
894 local found
895
896 for wdev in $(list_phy_interfaces "$phy"); do
897 found=0
898 for cwdev in $OLDAPLIST $OLDSPLIST $OLDUMLIST; do
899 if [ "$wdev" = "$cwdev" ]; then
900 found=1
901 break
902 fi
903 done
904 if [ "$found" = "0" ]; then
905 ip link set dev "$wdev" down
906 iw dev "$wdev" del
907 fi
908 done
909
910 # convert channel to frequency
911 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
912
913 [ -n "$country" ] && {
914 iw reg get | grep -q "^country $country:" || {
915 iw reg set "$country"
916 sleep 1
917 }
918 }
919
920 hostapd_conf_file="/var/run/hostapd-$phy.conf"
921
922 no_ap=1
923 macidx=0
924 staidx=0
925
926 [ -n "$chanbw" ] && {
927 for file in /sys/kernel/debug/ieee80211/$phy/ath9k*/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
928 [ -f "$file" ] && echo "$chanbw" > "$file"
929 done
930 }
931
932 set_default rxantenna 0xffffffff
933 set_default txantenna 0xffffffff
934 set_default distance 0
935 set_default antenna_gain 0
936
937 [ "$txantenna" = "all" ] && txantenna=0xffffffff
938 [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
939
940 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
941 iw phy "$phy" set antenna_gain $antenna_gain >/dev/null 2>&1
942 iw phy "$phy" set distance "$distance" >/dev/null 2>&1
943
944 if [ -n "$txpower" ]; then
945 iw phy "$phy" set txpower fixed "${txpower%%.*}00"
946 else
947 iw phy "$phy" set txpower auto
948 fi
949
950 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
951 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
952
953 has_ap=
954 hostapd_ctrl=
955 ap_ifname=
956 hostapd_noscan=
957 for_each_interface "ap" mac80211_check_ap
958
959 rm -f "$hostapd_conf_file"
960
961 for_each_interface "sta adhoc mesh" mac80211_set_noscan
962 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
963
964 mac80211_prepare_iw_htmode
965 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
966 NEWAPLIST=
967 for_each_interface "ap" mac80211_prepare_vif
968 NEW_MD5=$(test -e "${hostapd_conf_file}" && md5sum ${hostapd_conf_file})
969 OLD_MD5=$(uci -q -P /var/state get wireless._${phy}.md5)
970 if [ "${NEWAPLIST}" != "${OLDAPLIST}" ]; then
971 mac80211_vap_cleanup hostapd "${OLDAPLIST}"
972 fi
973 [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
974 local add_ap=0
975 local primary_ap=${NEWAPLIST%% *}
976 [ -n "$hostapd_ctrl" ] && {
977 local no_reload=1
978 if [ -n "$(ubus list | grep hostapd.$primary_ap)" ]; then
979 [ "${NEW_MD5}" = "${OLD_MD5}" ] || {
980 ubus call hostapd.$primary_ap reload
981 no_reload=$?
982 if [ "$no_reload" != "0" ]; then
983 mac80211_vap_cleanup hostapd "${OLDAPLIST}"
984 mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
985 mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
986 sleep 2
987 mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
988 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
989 fi
990 }
991 fi
992 if [ "$no_reload" != "0" ]; then
993 add_ap=1
994 ubus wait_for hostapd
995 ubus call hostapd config_add "{\"iface\":\"$primary_ap\", \"config\":\"${hostapd_conf_file}\"}"
996 local hostapd_pid=$(ubus call service list '{"name": "hostapd"}' | jsonfilter -l 1 -e "@['hostapd'].instances['hostapd'].pid")
997 wireless_add_process "$hostapd_pid" "/usr/sbin/hostapd" 1
998 fi
999 ret="$?"
1000 [ "$ret" != 0 ] && {
1001 wireless_setup_failed HOSTAPD_START_FAILED
1002 return
1003 }
1004 }
1005 uci -q -P /var/state set wireless._${phy}.aplist="${NEWAPLIST}"
1006 uci -q -P /var/state set wireless._${phy}.md5="${NEW_MD5}"
1007
1008 [ "${add_ap}" = 1 ] && sleep 1
1009 for_each_interface "ap" mac80211_setup_vif
1010
1011 NEWSPLIST=
1012 NEWUMLIST=
1013
1014 for_each_interface "sta adhoc mesh monitor" mac80211_setup_vif
1015
1016 uci -q -P /var/state set wireless._${phy}.splist="${NEWSPLIST}"
1017 uci -q -P /var/state set wireless._${phy}.umlist="${NEWUMLIST}"
1018
1019 local foundvap
1020 local dropvap=""
1021 for oldvap in $OLDSPLIST; do
1022 foundvap=0
1023 for newvap in $NEWSPLIST; do
1024 [ "$oldvap" = "$newvap" ] && foundvap=1
1025 done
1026 [ "$foundvap" = "0" ] && dropvap="$dropvap $oldvap"
1027 done
1028 [ -n "$dropvap" ] && mac80211_vap_cleanup wpa_supplicant "$dropvap"
1029 wireless_set_up
1030 }
1031
1032 _list_phy_interfaces() {
1033 local phy="$1"
1034 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
1035 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
1036 else
1037 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
1038 fi
1039 }
1040
1041 list_phy_interfaces() {
1042 local phy="$1"
1043
1044 for dev in $(_list_phy_interfaces "$phy"); do
1045 readlink "/sys/class/net/${dev}/phy80211" | grep -q "/${phy}\$" || continue
1046 echo "$dev"
1047 done
1048 }
1049
1050 drv_mac80211_teardown() {
1051 wireless_process_kill_all
1052
1053 json_select data
1054 json_get_vars phy
1055 json_select ..
1056
1057 mac80211_interface_cleanup "$phy"
1058 uci -q -P /var/state revert wireless._${phy}
1059 }
1060
1061 add_driver mac80211