2 . /lib/netifd/netifd-wireless.sh
3 . /lib/netifd/hostapd.sh
5 init_wireless_driver "$@"
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"
17 drv_mac80211_init_device_config() {
18 hostapd_common_add_device_config
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
25 config_add_array ht_capab
39 config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
42 drv_mac80211_init_iface_config() {
43 hostapd_common_add_bss_config
45 config_add_string 'macaddr:macaddr' ifname
47 config_add_boolean wds powersave
48 config_add_int maxassoc
49 config_add_int max_listen_int
50 config_add_int dtim_interval
53 config_add_string mesh_id
54 config_add_int $MP_CONFIG_INT
55 config_add_boolean $MP_CONFIG_BOOL
56 config_add_string $MP_CONFIG_STRING
59 mac80211_add_capabilities() {
60 local __var="$1"; shift
61 local __mask="$1"; shift
69 [ "$(($4))" -gt 0 ] || continue
70 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
75 export -n -- "$__var=$__out"
78 mac80211_hostapd_setup_base() {
83 [ "$auto_channel" -gt 0 ] && channel=acs_survey
85 json_get_vars noscan htmode
86 json_get_values ht_capab_list ht_capab
92 HT40*|VHT40|VHT80|VHT160)
95 case "$(( ($channel / 4) % 2 ))" in
96 1) ht_capab="[HT40+]";;
97 0) ht_capab="[HT40-]";;
102 HT40+) ht_capab="[HT40+]";;
103 HT40-) ht_capab="[HT40-]";;
105 if [ "$channel" -lt 7 ]; then
114 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
119 [ -n "$ieee80211n" ] && {
120 append base_cfg "ieee80211n=1" "$N"
132 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
133 ht_cap_mask="$(($ht_cap_mask | $cap))"
136 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
137 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
138 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
140 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
142 GF:0x10::$greenfield \
143 SHORT-GI-20:0x20::$short_gi_20 \
144 SHORT-GI-40:0x40::$short_gi_40 \
145 TX-STBC:0x80::$tx_stbc \
146 RX-STBC1:0x300:0x100:1 \
147 RX-STBC12:0x300:0x200:1 \
148 RX-STBC123:0x300:0x300:1 \
149 DSSS_CCK-40:0x1000::$dsss_cck_40
151 ht_capab="$ht_capab$ht_capab_flags"
152 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
161 case "$(( ($channel / 4) % 2 ))" in
162 1) idx=$(($channel + 2));;
163 0) idx=$(($channel - 2));;
166 append base_cfg "vht_oper_chwidth=0" "$N"
167 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
170 case "$(( ($channel / 4) % 4 ))" in
171 1) idx=$(($channel + 6));;
172 2) idx=$(($channel + 2));;
173 3) idx=$(($channel - 2));;
174 0) idx=$(($channel - 6));;
177 append base_cfg "vht_oper_chwidth=1" "$N"
178 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
182 36|40|44|48|52|56|60|64) idx=50;;
183 100|104|108|112|116|120|124|128) idx=114;;
186 append base_cfg "vht_oper_chwidth=2" "$N"
187 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
191 if [ "$enable_ac" != "0" ]; then
203 rx_antenna_pattern:1 \
204 tx_antenna_pattern:1 \
205 vht_max_a_mpdu_len_exp:7 \
212 append base_cfg "ieee80211ac=1" "$N"
214 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
215 vht_cap="$(($vht_cap | $cap))"
218 cap_rx_stbc=$((($vht_cap >> 8) & 7))
219 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
220 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
222 mac80211_add_capabilities vht_capab $vht_cap \
223 RXLDPC:0x10::$rxldpc \
224 SHORT-GI-80:0x20::$short_gi_80 \
225 SHORT-GI-160:0x40::$short_gi_160 \
226 TX-STBC-2BY1:0x80::$tx_stbc \
227 SU-BEAMFORMER:0x800::$su_beamformer \
228 SU-BEAMFORMEE:0x1000::$su_beamformee \
229 MU-BEAMFORMER:0x80000::$mu_beamformer \
230 MU-BEAMFORMEE:0x100000::$mu_beamformee \
231 VHT-TXOP-PS:0x200000::$vht_txop_ps \
232 HTC-VHT:0x400000::$htc_vht \
233 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
234 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
235 RX-STBC1:0x700:0x100:1 \
236 RX-STBC12:0x700:0x200:1 \
237 RX-STBC123:0x700:0x300:1 \
238 RX-STBC1234:0x700:0x400:1 \
240 # supported Channel widths
242 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
244 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
246 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
247 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
249 # maximum MPDU length
251 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
253 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
254 vht_max_mpdu_hw=11454
255 [ "$vht_max_mpdu_hw" != 3895 ] && \
256 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
258 # maximum A-MPDU length exponent
259 vht_max_a_mpdu_len_exp_hw=0
260 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
261 vht_max_a_mpdu_len_exp_hw=1
262 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
263 vht_max_a_mpdu_len_exp_hw=2
264 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
265 vht_max_a_mpdu_len_exp_hw=3
266 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
267 vht_max_a_mpdu_len_exp_hw=4
268 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
269 vht_max_a_mpdu_len_exp_hw=5
270 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
271 vht_max_a_mpdu_len_exp_hw=6
272 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
273 vht_max_a_mpdu_len_exp_hw=7
274 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
276 # whether or not the STA supports link adaptation using VHT variant
278 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
280 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
282 [ "$vht_link_adapt_hw" != 0 ] && \
283 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
285 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
288 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
289 cat >> "$hostapd_conf_file" <<EOF
290 ${channel:+channel=$channel}
291 ${noscan:+noscan=$noscan}
298 mac80211_hostapd_setup_bss() {
305 append hostapd_cfg "$type=$ifname" "$N"
307 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
308 json_get_vars wds dtim_period max_listen_int
312 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
313 [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
315 cat >> /var/run/hostapd-$phy.conf <<EOF
318 ${dtim_period:+dtim_period=$dtim_period}
319 ${max_listen_int:+max_listen_interval=$max_listen_int}
323 mac80211_generate_mac() {
325 local id="${macidx:-0}"
327 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
328 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
330 [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
331 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
336 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
339 [ "$((0x$mask1))" -gt 0 ] && {
342 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
343 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
347 [ "$((0x$mask6))" -lt 255 ] && {
348 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
352 off2=$(( (0x$6 + $id) / 0x100 ))
353 printf "%s:%s:%s:%s:%02x:%02x" \
355 $(( (0x$5 + $off2) % 0x100 )) \
356 $(( (0x$6 + $id) % 0x100 ))
360 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
361 [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
362 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
363 [ -n "$phy" ] && return 0
365 [ -n "$macaddr" ] && {
366 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
367 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
373 mac80211_check_ap() {
377 mac80211_prepare_vif() {
380 json_get_vars ifname mode ssid wds powersave macaddr
382 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
383 if_idx=$((${if_idx:-0} + 1))
386 set_default powersave 0
390 [ -n "$macaddr" ] || {
391 macaddr="$(mac80211_generate_mac $phy)"
392 macidx="$(($macidx + 1))"
396 json_add_string ifname "$ifname"
400 # It is far easier to delete and create the desired interface
403 iw phy "$phy" interface add "$ifname" type adhoc
406 # Hostapd will handle recreating the interface and
407 # subsequent virtual APs belonging to the same PHY
408 if [ -n "$hostapd_ctrl" ]; then
414 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
416 [ -n "$hostapd_ctrl" ] || {
417 iw phy "$phy" interface add "$ifname" type managed
418 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
422 json_get_vars key mesh_id
423 if [ -n "$key" ]; then
424 iw phy "$phy" interface add "$ifname" type mp
426 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
430 iw phy "$phy" interface add "$ifname" type monitor
434 staidx="$(($staidx + 1))"
435 [ "$wds" -gt 0 ] && wdsflag="4addr on"
436 iw phy "$phy" interface add "$ifname" type managed $wdsflag
437 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
438 iw "$ifname" set power_save "$powersave"
444 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
448 if [ "$mode" != "ap" ]; then
449 # ALL ap functionality will be passed to hostapd
450 # All interfaces must have unique mac addresses
451 # which can either be explicitly set in the device
452 # section, or automatically generated
453 ifconfig "$ifname" hw ether "$macaddr"
459 mac80211_setup_supplicant() {
460 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
461 wpa_supplicant_add_network "$ifname"
462 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
465 mac80211_setup_adhoc() {
466 json_get_vars bssid ssid key mcast_rate
469 [ "$auth_type" == "wep" ] && {
474 for idx in 1 2 3 4; do
475 json_get_var ikey "key$idx"
478 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
479 [ $idx -eq $key ] && ikey="d:$ikey"
480 append keyspec "$ikey"
485 append keyspec "d:0:$(prepare_key_wep "$key")"
491 for br in $basic_rate_list; do
492 hostapd_add_rate brstr "$br"
496 [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
498 iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
499 ${beacon_int:+beacon-interval $beacon_int} \
500 ${brstr:+basic-rates $brstr} \
501 ${mcval:+mcast-rate $mcval} \
502 ${keyspec:+keys $keyspec}
505 mac80211_setup_vif() {
515 json_get_var vif_txpower txpower
517 ifconfig "$ifname" up || {
518 wireless_setup_vif_failed IFUP_ERROR
523 set_default vif_txpower "$txpower"
524 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
528 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
529 json_get_var mp_val "$var"
530 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
535 if [ -n "$key" ]; then
536 if [ -e "/lib/wifi/authsae.sh" ]; then
537 . /lib/wifi/authsae.sh
538 authsae_start_interface || failed=1
540 wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
547 wireless_vif_parse_encryption
548 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
549 mac80211_setup_supplicant || failed=1
555 mac80211_setup_supplicant || failed=1
560 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
566 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
569 mac80211_interface_cleanup() {
572 for wdev in $(list_phy_interfaces "$phy"); do
573 ifconfig "$wdev" down 2>/dev/null
578 drv_mac80211_cleanup() {
579 hostapd_common_cleanup
582 drv_mac80211_setup() {
586 country chanbw distance \
587 txpower antenna_gain \
588 rxantenna txantenna \
590 json_get_values basic_rate_list basic_rate
594 echo "Could not find PHY for device '$1'"
599 wireless_set_data phy="$phy"
600 mac80211_interface_cleanup "$phy"
602 # convert channel to frequency
603 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
605 [ -n "$country" ] && {
606 iw reg get | grep -q "^country $country:" || {
607 iw reg set "$country"
612 hostapd_conf_file="/var/run/hostapd-$phy.conf"
618 [ -n "$chanbw" ] && {
619 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
620 [ -f "$file" ] && echo "$chanbw" > "$file"
624 set_default rxantenna all
625 set_default txantenna all
626 set_default distance 0
627 set_default antenna_gain 0
629 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
630 iw phy "$phy" set antenna_gain $antenna_gain
631 iw phy "$phy" set distance "$distance"
633 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
634 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
638 for_each_interface "ap" mac80211_check_ap
640 rm -f "$hostapd_conf_file"
641 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
643 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
644 for_each_interface "ap" mac80211_prepare_vif
646 [ -n "$hostapd_ctrl" ] && {
647 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
649 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
651 wireless_setup_failed HOSTAPD_START_FAILED
656 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
661 list_phy_interfaces() {
663 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
664 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
666 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
670 drv_mac80211_teardown() {
671 wireless_process_kill_all
677 mac80211_interface_cleanup "$phy"