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[openwrt/staging/stintel.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 iw() {
18 command iw $@ || logger -t mac80211 "Failed command: iw $@"
19 }
20
21 drv_mac80211_init_device_config() {
22 hostapd_common_add_device_config
23
24 config_add_string path phy 'macaddr:macaddr'
25 config_add_string hwmode
26 config_add_string tx_burst
27 config_add_int beacon_int chanbw frag rts
28 config_add_int rxantenna txantenna antenna_gain txpower distance
29 config_add_boolean noscan ht_coex
30 config_add_array ht_capab
31 config_add_array channels
32 config_add_boolean \
33 rxldpc \
34 short_gi_80 \
35 short_gi_160 \
36 tx_stbc_2by1 \
37 su_beamformer \
38 su_beamformee \
39 mu_beamformer \
40 mu_beamformee \
41 vht_txop_ps \
42 htc_vht \
43 rx_antenna_pattern \
44 tx_antenna_pattern
45 config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
46 config_add_boolean \
47 ldpc \
48 greenfield \
49 short_gi_20 \
50 short_gi_40 \
51 max_amsdu \
52 dsss_cck_40
53 }
54
55 drv_mac80211_init_iface_config() {
56 hostapd_common_add_bss_config
57
58 config_add_string 'macaddr:macaddr' ifname
59
60 config_add_boolean wds powersave
61 config_add_int maxassoc
62 config_add_int max_listen_int
63 config_add_int dtim_period
64 config_add_int start_disabled
65
66 # mesh
67 config_add_string mesh_id
68 config_add_int $MP_CONFIG_INT
69 config_add_boolean $MP_CONFIG_BOOL
70 config_add_string $MP_CONFIG_STRING
71 }
72
73 mac80211_add_capabilities() {
74 local __var="$1"; shift
75 local __mask="$1"; shift
76 local __out= oifs
77
78 oifs="$IFS"
79 IFS=:
80 for capab in "$@"; do
81 set -- $capab
82
83 [ "$(($4))" -gt 0 ] || continue
84 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
85 __out="$__out[$1]"
86 done
87 IFS="$oifs"
88
89 export -n -- "$__var=$__out"
90 }
91
92 mac80211_hostapd_setup_base() {
93 local phy="$1"
94
95 json_select config
96
97 [ "$auto_channel" -gt 0 ] && channel=acs_survey
98 [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
99
100 json_get_vars noscan ht_coex
101 json_get_values ht_capab_list ht_capab tx_burst
102
103 [ -n "$noscan" -a "$noscan" -gt 0 ] && hostapd_noscan=1
104 [ "$tx_burst" = 0 ] && tx_burst=
105
106 ieee80211n=1
107 ht_capab=
108 case "$htmode" in
109 VHT20|HT20) ;;
110 HT40*|VHT40|VHT80|VHT160)
111 case "$hwmode" in
112 a)
113 case "$(( ($channel / 4) % 2 ))" in
114 1) ht_capab="[HT40+]";;
115 0) ht_capab="[HT40-]";;
116 esac
117 ;;
118 *)
119 case "$htmode" in
120 HT40+) ht_capab="[HT40+]";;
121 HT40-) ht_capab="[HT40-]";;
122 *)
123 if [ "$channel" -lt 7 ]; then
124 ht_capab="[HT40+]"
125 else
126 ht_capab="[HT40-]"
127 fi
128 ;;
129 esac
130 ;;
131 esac
132 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
133 ;;
134 *) ieee80211n= ;;
135 esac
136
137 [ -n "$ieee80211n" ] && {
138 append base_cfg "ieee80211n=1" "$N"
139
140 set_default ht_coex 0
141 append base_cfg "ht_coex=$ht_coex" "$N"
142
143 json_get_vars \
144 ldpc:1 \
145 greenfield:0 \
146 short_gi_20:1 \
147 short_gi_40:1 \
148 tx_stbc:1 \
149 rx_stbc:3 \
150 max_amsdu:1 \
151 dsss_cck_40:1
152
153 ht_cap_mask=0
154 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
155 ht_cap_mask="$(($ht_cap_mask | $cap))"
156 done
157
158 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
159 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
160 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
161
162 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
163 LDPC:0x1::$ldpc \
164 GF:0x10::$greenfield \
165 SHORT-GI-20:0x20::$short_gi_20 \
166 SHORT-GI-40:0x40::$short_gi_40 \
167 TX-STBC:0x80::$tx_stbc \
168 RX-STBC1:0x300:0x100:1 \
169 RX-STBC12:0x300:0x200:1 \
170 RX-STBC123:0x300:0x300:1 \
171 MAX-AMSDU-7935:0x800::$max_amsdu \
172 DSSS_CCK-40:0x1000::$dsss_cck_40
173
174 ht_capab="$ht_capab$ht_capab_flags"
175 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
176 }
177
178 # 802.11ac
179 enable_ac=0
180 idx="$channel"
181 case "$htmode" in
182 VHT20) enable_ac=1;;
183 VHT40)
184 case "$(( ($channel / 4) % 2 ))" in
185 1) idx=$(($channel + 2));;
186 0) idx=$(($channel - 2));;
187 esac
188 enable_ac=1
189 append base_cfg "vht_oper_chwidth=0" "$N"
190 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
191 ;;
192 VHT80)
193 case "$(( ($channel / 4) % 4 ))" in
194 1) idx=$(($channel + 6));;
195 2) idx=$(($channel + 2));;
196 3) idx=$(($channel - 2));;
197 0) idx=$(($channel - 6));;
198 esac
199 enable_ac=1
200 append base_cfg "vht_oper_chwidth=1" "$N"
201 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
202 ;;
203 VHT160)
204 case "$channel" in
205 36|40|44|48|52|56|60|64) idx=50;;
206 100|104|108|112|116|120|124|128) idx=114;;
207 esac
208 enable_ac=1
209 append base_cfg "vht_oper_chwidth=2" "$N"
210 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
211 ;;
212 esac
213
214 if [ "$enable_ac" != "0" ]; then
215 json_get_vars \
216 rxldpc:1 \
217 short_gi_80:1 \
218 short_gi_160:1 \
219 tx_stbc_2by1:1 \
220 su_beamformer:1 \
221 su_beamformee:1 \
222 mu_beamformer:1 \
223 mu_beamformee:1 \
224 vht_txop_ps:1 \
225 htc_vht:1 \
226 rx_antenna_pattern:1 \
227 tx_antenna_pattern:1 \
228 vht_max_a_mpdu_len_exp:7 \
229 vht_max_mpdu:11454 \
230 rx_stbc:4 \
231 vht_link_adapt:3 \
232 vht160:2
233
234 set_default tx_burst 2.0
235 append base_cfg "ieee80211ac=1" "$N"
236 vht_cap=0
237 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
238 vht_cap="$(($vht_cap | $cap))"
239 done
240
241 cap_rx_stbc=$((($vht_cap >> 8) & 7))
242 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
243 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
244
245 mac80211_add_capabilities vht_capab $vht_cap \
246 RXLDPC:0x10::$rxldpc \
247 SHORT-GI-80:0x20::$short_gi_80 \
248 SHORT-GI-160:0x40::$short_gi_160 \
249 TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
250 SU-BEAMFORMER:0x800::$su_beamformer \
251 SU-BEAMFORMEE:0x1000::$su_beamformee \
252 MU-BEAMFORMER:0x80000::$mu_beamformer \
253 MU-BEAMFORMEE:0x100000::$mu_beamformee \
254 VHT-TXOP-PS:0x200000::$vht_txop_ps \
255 HTC-VHT:0x400000::$htc_vht \
256 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
257 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
258 RX-STBC-1:0x700:0x100:1 \
259 RX-STBC-12:0x700:0x200:1 \
260 RX-STBC-123:0x700:0x300:1 \
261 RX-STBC-1234:0x700:0x400:1 \
262
263 # supported Channel widths
264 vht160_hw=0
265 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
266 vht160_hw=1
267 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
268 vht160_hw=2
269 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
270 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
271
272 # maximum MPDU length
273 vht_max_mpdu_hw=3895
274 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
275 vht_max_mpdu_hw=7991
276 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
277 vht_max_mpdu_hw=11454
278 [ "$vht_max_mpdu_hw" != 3895 ] && \
279 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
280
281 # maximum A-MPDU length exponent
282 vht_max_a_mpdu_len_exp_hw=0
283 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
284 vht_max_a_mpdu_len_exp_hw=1
285 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
286 vht_max_a_mpdu_len_exp_hw=2
287 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
288 vht_max_a_mpdu_len_exp_hw=3
289 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
290 vht_max_a_mpdu_len_exp_hw=4
291 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
292 vht_max_a_mpdu_len_exp_hw=5
293 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
294 vht_max_a_mpdu_len_exp_hw=6
295 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
296 vht_max_a_mpdu_len_exp_hw=7
297 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
298
299 # whether or not the STA supports link adaptation using VHT variant
300 vht_link_adapt_hw=0
301 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
302 vht_link_adapt_hw=2
303 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
304 vht_link_adapt_hw=3
305 [ "$vht_link_adapt_hw" != 0 ] && \
306 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
307
308 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
309 fi
310
311 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
312 cat >> "$hostapd_conf_file" <<EOF
313 ${channel:+channel=$channel}
314 ${channel_list:+chanlist=$channel_list}
315 ${hostapd_noscan:+noscan=1}
316 ${tx_burst:+tx_queue_data2_burst=$tx_burst}
317 $base_cfg
318
319 EOF
320 json_select ..
321 }
322
323 mac80211_hostapd_setup_bss() {
324 local phy="$1"
325 local ifname="$2"
326 local macaddr="$3"
327 local type="$4"
328
329 hostapd_cfg=
330 append hostapd_cfg "$type=$ifname" "$N"
331
332 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
333 json_get_vars wds dtim_period max_listen_int start_disabled
334
335 set_default wds 0
336 set_default start_disabled 0
337
338 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
339 [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
340
341 cat >> /var/run/hostapd-$phy.conf <<EOF
342 $hostapd_cfg
343 bssid=$macaddr
344 ${dtim_period:+dtim_period=$dtim_period}
345 ${max_listen_int:+max_listen_interval=$max_listen_int}
346 EOF
347 }
348
349 mac80211_get_addr() {
350 local phy="$1"
351 local idx="$(($2 + 1))"
352
353 head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
354 }
355
356 mac80211_generate_mac() {
357 local phy="$1"
358 local id="${macidx:-0}"
359
360 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
361 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
362
363 [ "$mask" = "00:00:00:00:00:00" ] && {
364 mask="ff:ff:ff:ff:ff:ff";
365
366 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
367 addr="$(mac80211_get_addr "$phy" "$id")"
368 [ -n "$addr" ] && {
369 echo "$addr"
370 return
371 }
372 }
373 }
374
375 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
376
377 local mask1=$1
378 local mask6=$6
379
380 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
381
382 macidx=$(($id + 1))
383 [ "$((0x$mask1))" -gt 0 ] && {
384 b1="0x$1"
385 [ "$id" -gt 0 ] && \
386 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
387 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
388 return
389 }
390
391 [ "$((0x$mask6))" -lt 255 ] && {
392 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
393 return
394 }
395
396 off2=$(( (0x$6 + $id) / 0x100 ))
397 printf "%s:%s:%s:%s:%02x:%02x" \
398 $1 $2 $3 $4 \
399 $(( (0x$5 + $off2) % 0x100 )) \
400 $(( (0x$6 + $id) % 0x100 ))
401 }
402
403 find_phy() {
404 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
405 [ -n "$path" ] && {
406 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
407 case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
408 *$path) return 0;;
409 esac
410 done
411 }
412 [ -n "$macaddr" ] && {
413 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
414 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
415 done
416 }
417 return 1
418 }
419
420 mac80211_check_ap() {
421 has_ap=1
422 }
423
424 mac80211_iw_interface_add() {
425 local phy="$1"
426 local ifname="$2"
427 local type="$3"
428 local wdsflag="$4"
429 local rc
430
431 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
432 rc="$?"
433
434 [ "$rc" = 233 ] && {
435 # Device might have just been deleted, give the kernel some time to finish cleaning it up
436 sleep 1
437
438 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
439 rc="$?"
440 }
441
442 [ "$rc" = 233 ] && {
443 # Device might not support virtual interfaces, so the interface never got deleted in the first place.
444 # Check if the interface already exists, and avoid failing in this case.
445 ip link show dev "$ifname" >/dev/null 2>/dev/null && rc=0
446 }
447
448 [ "$rc" != 0 ] && wireless_setup_failed INTERFACE_CREATION_FAILED
449 return $rc
450 }
451
452 mac80211_prepare_vif() {
453 json_select config
454
455 json_get_vars ifname mode ssid wds powersave macaddr
456
457 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
458 if_idx=$((${if_idx:-0} + 1))
459
460 set_default wds 0
461 set_default powersave 0
462
463 json_select ..
464
465 [ -n "$macaddr" ] || {
466 macaddr="$(mac80211_generate_mac $phy)"
467 macidx="$(($macidx + 1))"
468 }
469
470 json_add_object data
471 json_add_string ifname "$ifname"
472 json_close_object
473 json_select config
474
475 # It is far easier to delete and create the desired interface
476 case "$mode" in
477 adhoc)
478 mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
479 ;;
480 ap)
481 # Hostapd will handle recreating the interface and
482 # subsequent virtual APs belonging to the same PHY
483 if [ -n "$hostapd_ctrl" ]; then
484 type=bss
485 else
486 type=interface
487 fi
488
489 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
490
491 [ -n "$hostapd_ctrl" ] || {
492 mac80211_iw_interface_add "$phy" "$ifname" __ap || return
493 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
494 }
495 ;;
496 mesh)
497 mac80211_iw_interface_add "$phy" "$ifname" mp || return
498 ;;
499 monitor)
500 mac80211_iw_interface_add "$phy" "$ifname" monitor || return
501 ;;
502 sta)
503 local wdsflag=
504 staidx="$(($staidx + 1))"
505 [ "$wds" -gt 0 ] && wdsflag="4addr on"
506 mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
507 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
508 iw "$ifname" set power_save "$powersave"
509 ;;
510 esac
511
512 case "$mode" in
513 monitor|mesh)
514 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
515 ;;
516 esac
517
518 if [ "$mode" != "ap" ]; then
519 # ALL ap functionality will be passed to hostapd
520 # All interfaces must have unique mac addresses
521 # which can either be explicitly set in the device
522 # section, or automatically generated
523 ip link set dev "$ifname" address "$macaddr"
524 fi
525
526 json_select ..
527 }
528
529 mac80211_setup_supplicant() {
530 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
531 if [ "$mode" = "sta" ]; then
532 wpa_supplicant_add_network "$ifname"
533 else
534 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
535 fi
536 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
537 }
538
539 mac80211_setup_supplicant_noctl() {
540 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
541 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
542 wpa_supplicant_run "$ifname"
543 }
544
545 mac80211_setup_adhoc_htmode() {
546 case "$htmode" in
547 VHT20|HT20) ibss_htmode=HT20;;
548 HT40*|VHT40|VHT160)
549 case "$hwmode" in
550 a)
551 case "$(( ($channel / 4) % 2 ))" in
552 1) ibss_htmode="HT40+" ;;
553 0) ibss_htmode="HT40-";;
554 esac
555 ;;
556 *)
557 case "$htmode" in
558 HT40+) ibss_htmode="HT40+";;
559 HT40-) ibss_htmode="HT40-";;
560 *)
561 if [ "$channel" -lt 7 ]; then
562 ibss_htmode="HT40+"
563 else
564 ibss_htmode="HT40-"
565 fi
566 ;;
567 esac
568 ;;
569 esac
570 [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
571 ;;
572 VHT80)
573 ibss_htmode="80MHZ"
574 ;;
575 NONE|NOHT)
576 ibss_htmode="NOHT"
577 ;;
578 *) ibss_htmode="" ;;
579 esac
580
581 }
582
583 mac80211_setup_adhoc() {
584 json_get_vars bssid ssid key mcast_rate
585
586 keyspec=
587 [ "$auth_type" = "wep" ] && {
588 set_default key 1
589 case "$key" in
590 [1234])
591 local idx
592 for idx in 1 2 3 4; do
593 json_get_var ikey "key$idx"
594
595 [ -n "$ikey" ] && {
596 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
597 [ $idx -eq $key ] && ikey="d:$ikey"
598 append keyspec "$ikey"
599 }
600 done
601 ;;
602 *)
603 append keyspec "d:0:$(prepare_key_wep "$key")"
604 ;;
605 esac
606 }
607
608 brstr=
609 for br in $basic_rate_list; do
610 wpa_supplicant_add_rate brstr "$br"
611 done
612
613 mcval=
614 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
615
616 iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
617 beacon-interval $beacon_int \
618 ${brstr:+basic-rates $brstr} \
619 ${mcval:+mcast-rate $mcval} \
620 ${keyspec:+keys $keyspec}
621 }
622
623 mac80211_setup_mesh() {
624 json_get_vars ssid mesh_id mcast_rate
625
626 mcval=
627 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
628 [ -n "$mesh_id" ] && ssid="$mesh_id"
629
630 case "$htmode" in
631 VHT20|HT20) mesh_htmode=HT20;;
632 HT40*|VHT40)
633 case "$hwmode" in
634 a)
635 case "$(( ($channel / 4) % 2 ))" in
636 1) mesh_htmode="HT40+" ;;
637 0) mesh_htmode="HT40-";;
638 esac
639 ;;
640 *)
641 case "$htmode" in
642 HT40+) mesh_htmode="HT40+";;
643 HT40-) mesh_htmode="HT40-";;
644 *)
645 if [ "$channel" -lt 7 ]; then
646 mesh_htmode="HT40+"
647 else
648 mesh_htmode="HT40-"
649 fi
650 ;;
651 esac
652 ;;
653 esac
654 ;;
655 VHT80)
656 mesh_htmode="80Mhz"
657 ;;
658 VHT160)
659 mesh_htmode="160Mhz"
660 ;;
661 *) mesh_htmode="NOHT" ;;
662 esac
663 iw dev "$ifname" mesh join "$ssid" freq $freq $mesh_htmode \
664 ${mcval:+mcast-rate $mcval} \
665 beacon-interval $beacon_int
666 }
667
668 mac80211_setup_vif() {
669 local name="$1"
670 local failed
671
672 json_select data
673 json_get_vars ifname
674 json_select ..
675
676 json_select config
677 json_get_vars mode
678 json_get_var vif_txpower txpower
679
680 ip link set dev "$ifname" up || {
681 wireless_setup_vif_failed IFUP_ERROR
682 json_select ..
683 return
684 }
685
686 set_default vif_txpower "$txpower"
687 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
688
689 case "$mode" in
690 mesh)
691 wireless_vif_parse_encryption
692 freq="$(get_freq "$phy" "$channel")"
693 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ] || chan_is_dfs "$phy" "$channel"; then
694 mac80211_setup_supplicant || failed=1
695 else
696 mac80211_setup_mesh
697 fi
698 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
699 json_get_var mp_val "$var"
700 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
701 done
702 ;;
703 adhoc)
704 wireless_vif_parse_encryption
705 mac80211_setup_adhoc_htmode
706 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
707 freq="$(get_freq "$phy" "$channel")"
708 mac80211_setup_supplicant_noctl || failed=1
709 else
710 mac80211_setup_adhoc
711 fi
712 ;;
713 sta)
714 mac80211_setup_supplicant || failed=1
715 ;;
716 esac
717
718 json_select ..
719 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
720 }
721
722 get_freq() {
723 local phy="$1"
724 local chan="$2"
725 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
726 }
727
728 chan_is_dfs() {
729 local phy="$1"
730 local chan="$2"
731 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
732 return $!
733 }
734
735 mac80211_interface_cleanup() {
736 local phy="$1"
737
738 for wdev in $(list_phy_interfaces "$phy"); do
739 ip link set dev "$wdev" down 2>/dev/null
740 iw dev "$wdev" del
741 done
742 }
743
744 mac80211_set_noscan() {
745 hostapd_noscan=1
746 }
747
748 drv_mac80211_cleanup() {
749 hostapd_common_cleanup
750 }
751
752 drv_mac80211_setup() {
753 json_select config
754 json_get_vars \
755 phy macaddr path \
756 country chanbw distance \
757 txpower antenna_gain \
758 rxantenna txantenna \
759 frag rts beacon_int:100 htmode
760 json_get_values basic_rate_list basic_rate
761 json_select ..
762
763 find_phy || {
764 echo "Could not find PHY for device '$1'"
765 wireless_set_retry 0
766 return 1
767 }
768
769 wireless_set_data phy="$phy"
770 mac80211_interface_cleanup "$phy"
771
772 # convert channel to frequency
773 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
774
775 [ -n "$country" ] && {
776 iw reg get | grep -q "^country $country:" || {
777 iw reg set "$country"
778 sleep 1
779 }
780 }
781
782 hostapd_conf_file="/var/run/hostapd-$phy.conf"
783
784 no_ap=1
785 macidx=0
786 staidx=0
787
788 [ -n "$chanbw" ] && {
789 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
790 [ -f "$file" ] && echo "$chanbw" > "$file"
791 done
792 }
793
794 set_default rxantenna 0xffffffff
795 set_default txantenna 0xffffffff
796 set_default distance 0
797 set_default antenna_gain 0
798
799 [ "$txantenna" = "all" ] && txantenna=0xffffffff
800 [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
801
802 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
803 iw phy "$phy" set antenna_gain $antenna_gain
804 iw phy "$phy" set distance "$distance"
805
806 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
807 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
808
809 has_ap=
810 hostapd_ctrl=
811 hostapd_noscan=
812 for_each_interface "ap" mac80211_check_ap
813
814 rm -f "$hostapd_conf_file"
815
816 for_each_interface "sta adhoc mesh" mac80211_set_noscan
817 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
818
819 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
820 for_each_interface "ap" mac80211_prepare_vif
821
822 [ -n "$hostapd_ctrl" ] && {
823 /usr/sbin/hostapd -s -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
824 ret="$?"
825 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
826 [ "$ret" != 0 ] && {
827 wireless_setup_failed HOSTAPD_START_FAILED
828 return
829 }
830 }
831
832 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
833
834 wireless_set_up
835 }
836
837 list_phy_interfaces() {
838 local phy="$1"
839 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
840 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
841 else
842 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
843 fi
844 }
845
846 drv_mac80211_teardown() {
847 wireless_process_kill_all
848
849 json_select data
850 json_get_vars phy
851 json_select ..
852
853 mac80211_interface_cleanup "$phy"
854 }
855
856 add_driver mac80211
Staging tree of Stijn Tintel