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 ht_coex
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
49 drv_mac80211_init_iface_config() {
50 hostapd_common_add_bss_config
52 config_add_string 'macaddr:macaddr' ifname
54 config_add_boolean wds powersave
55 config_add_int maxassoc
56 config_add_int max_listen_int
57 config_add_int dtim_period
58 config_add_int start_disabled
61 config_add_string mesh_id
62 config_add_int $MP_CONFIG_INT
63 config_add_boolean $MP_CONFIG_BOOL
64 config_add_string $MP_CONFIG_STRING
67 mac80211_add_capabilities() {
68 local __var="$1"; shift
69 local __mask="$1"; shift
77 [ "$(($4))" -gt 0 ] || continue
78 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
83 export -n -- "$__var=$__out"
86 mac80211_hostapd_setup_base() {
91 [ "$auto_channel" -gt 0 ] && channel=acs_survey
93 json_get_vars noscan ht_coex
94 json_get_values ht_capab_list ht_capab
100 HT40*|VHT40|VHT80|VHT160)
103 case "$(( ($channel / 4) % 2 ))" in
104 1) ht_capab="[HT40+]";;
105 0) ht_capab="[HT40-]";;
110 HT40+) ht_capab="[HT40+]";;
111 HT40-) ht_capab="[HT40-]";;
113 if [ "$channel" -lt 7 ]; then
122 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
127 [ -n "$ieee80211n" ] && {
128 append base_cfg "ieee80211n=1" "$N"
130 set_default ht_coex 0
131 append base_cfg "ht_coex=$ht_coex" "$N"
144 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
145 ht_cap_mask="$(($ht_cap_mask | $cap))"
148 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
149 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
150 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
152 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
154 GF:0x10::$greenfield \
155 SHORT-GI-20:0x20::$short_gi_20 \
156 SHORT-GI-40:0x40::$short_gi_40 \
157 TX-STBC:0x80::$tx_stbc \
158 RX-STBC1:0x300:0x100:1 \
159 RX-STBC12:0x300:0x200:1 \
160 RX-STBC123:0x300:0x300:1 \
161 MAX-AMSDU-7935:0x800::$max_amsdu \
162 DSSS_CCK-40:0x1000::$dsss_cck_40
164 ht_capab="$ht_capab$ht_capab_flags"
165 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
174 case "$(( ($channel / 4) % 2 ))" in
175 1) idx=$(($channel + 2));;
176 0) idx=$(($channel - 2));;
179 append base_cfg "vht_oper_chwidth=0" "$N"
180 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
183 case "$(( ($channel / 4) % 4 ))" in
184 1) idx=$(($channel + 6));;
185 2) idx=$(($channel + 2));;
186 3) idx=$(($channel - 2));;
187 0) idx=$(($channel - 6));;
190 append base_cfg "vht_oper_chwidth=1" "$N"
191 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
195 36|40|44|48|52|56|60|64) idx=50;;
196 100|104|108|112|116|120|124|128) idx=114;;
199 append base_cfg "vht_oper_chwidth=2" "$N"
200 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
204 if [ "$enable_ac" != "0" ]; then
216 rx_antenna_pattern:1 \
217 tx_antenna_pattern:1 \
218 vht_max_a_mpdu_len_exp:7 \
225 append base_cfg "ieee80211ac=1" "$N"
227 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
228 vht_cap="$(($vht_cap | $cap))"
231 cap_rx_stbc=$((($vht_cap >> 8) & 7))
232 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
233 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
235 mac80211_add_capabilities vht_capab $vht_cap \
236 RXLDPC:0x10::$rxldpc \
237 SHORT-GI-80:0x20::$short_gi_80 \
238 SHORT-GI-160:0x40::$short_gi_160 \
239 TX-STBC-2BY1:0x80::$tx_stbc \
240 SU-BEAMFORMER:0x800::$su_beamformer \
241 SU-BEAMFORMEE:0x1000::$su_beamformee \
242 MU-BEAMFORMER:0x80000::$mu_beamformer \
243 MU-BEAMFORMEE:0x100000::$mu_beamformee \
244 VHT-TXOP-PS:0x200000::$vht_txop_ps \
245 HTC-VHT:0x400000::$htc_vht \
246 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
247 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
248 RX-STBC1:0x700:0x100:1 \
249 RX-STBC12:0x700:0x200:1 \
250 RX-STBC123:0x700:0x300:1 \
251 RX-STBC1234:0x700:0x400:1 \
253 # supported Channel widths
255 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
257 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
259 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
260 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
262 # maximum MPDU length
264 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
266 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
267 vht_max_mpdu_hw=11454
268 [ "$vht_max_mpdu_hw" != 3895 ] && \
269 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
271 # maximum A-MPDU length exponent
272 vht_max_a_mpdu_len_exp_hw=0
273 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
274 vht_max_a_mpdu_len_exp_hw=1
275 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
276 vht_max_a_mpdu_len_exp_hw=2
277 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
278 vht_max_a_mpdu_len_exp_hw=3
279 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
280 vht_max_a_mpdu_len_exp_hw=4
281 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
282 vht_max_a_mpdu_len_exp_hw=5
283 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
284 vht_max_a_mpdu_len_exp_hw=6
285 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
286 vht_max_a_mpdu_len_exp_hw=7
287 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
289 # whether or not the STA supports link adaptation using VHT variant
291 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
293 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
295 [ "$vht_link_adapt_hw" != 0 ] && \
296 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
298 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
301 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
302 cat >> "$hostapd_conf_file" <<EOF
303 ${channel:+channel=$channel}
304 ${noscan:+noscan=$noscan}
311 mac80211_hostapd_setup_bss() {
318 append hostapd_cfg "$type=$ifname" "$N"
320 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
321 json_get_vars wds dtim_period max_listen_int start_disabled
324 set_default start_disabled 0
326 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
327 [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
329 cat >> /var/run/hostapd-$phy.conf <<EOF
332 ${dtim_period:+dtim_period=$dtim_period}
333 ${max_listen_int:+max_listen_interval=$max_listen_int}
337 mac80211_get_addr() {
339 local idx="$(($2 + 1))"
341 head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
344 mac80211_generate_mac() {
346 local id="${macidx:-0}"
348 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
349 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
351 [ "$mask" = "00:00:00:00:00:00" ] && {
352 mask="ff:ff:ff:ff:ff:ff";
354 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
355 addr="$(mac80211_get_addr "$phy" "$id")"
363 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
368 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
371 [ "$((0x$mask1))" -gt 0 ] && {
374 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
375 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
379 [ "$((0x$mask6))" -lt 255 ] && {
380 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
384 off2=$(( (0x$6 + $id) / 0x100 ))
385 printf "%s:%s:%s:%s:%02x:%02x" \
387 $(( (0x$5 + $off2) % 0x100 )) \
388 $(( (0x$6 + $id) % 0x100 ))
392 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
394 for phy in /sys/devices/$path/ieee80211/phy*; do
401 [ -n "$macaddr" ] && {
402 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
403 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
409 mac80211_check_ap() {
413 mac80211_prepare_vif() {
416 json_get_vars ifname mode ssid wds powersave macaddr
418 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
419 if_idx=$((${if_idx:-0} + 1))
422 set_default powersave 0
426 [ -n "$macaddr" ] || {
427 macaddr="$(mac80211_generate_mac $phy)"
428 macidx="$(($macidx + 1))"
432 json_add_string ifname "$ifname"
436 # It is far easier to delete and create the desired interface
439 iw phy "$phy" interface add "$ifname" type adhoc
442 # Hostapd will handle recreating the interface and
443 # subsequent virtual APs belonging to the same PHY
444 if [ -n "$hostapd_ctrl" ]; then
450 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
452 [ -n "$hostapd_ctrl" ] || {
453 iw phy "$phy" interface add "$ifname" type __ap
454 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
458 json_get_vars key mesh_id
459 if [ -n "$key" ]; then
460 iw phy "$phy" interface add "$ifname" type mp
462 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
466 iw phy "$phy" interface add "$ifname" type monitor
470 staidx="$(($staidx + 1))"
471 [ "$wds" -gt 0 ] && wdsflag="4addr on"
472 iw phy "$phy" interface add "$ifname" type managed $wdsflag
473 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
474 iw "$ifname" set power_save "$powersave"
480 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
484 if [ "$mode" != "ap" ]; then
485 # ALL ap functionality will be passed to hostapd
486 # All interfaces must have unique mac addresses
487 # which can either be explicitly set in the device
488 # section, or automatically generated
489 ifconfig "$ifname" hw ether "$macaddr"
495 mac80211_setup_supplicant() {
496 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
497 wpa_supplicant_add_network "$ifname"
498 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
501 mac80211_setup_adhoc_htmode() {
503 VHT20|HT20) ibss_htmode=HT20;;
504 HT40*|VHT40|VHT80|VHT160)
507 case "$(( ($channel / 4) % 2 ))" in
508 1) ibss_htmode="HT40+" ;;
509 0) ibss_htmode="HT40-";;
514 HT40+) ibss_htmode="HT40+";;
515 HT40-) ibss_htmode="HT40-";;
517 if [ "$channel" -lt 7 ]; then
526 [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
533 mac80211_setup_adhoc() {
534 json_get_vars bssid ssid key mcast_rate
537 [ "$auth_type" = "wep" ] && {
542 for idx in 1 2 3 4; do
543 json_get_var ikey "key$idx"
546 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
547 [ $idx -eq $key ] && ikey="d:$ikey"
548 append keyspec "$ikey"
553 append keyspec "d:0:$(prepare_key_wep "$key")"
559 for br in $basic_rate_list; do
560 wpa_supplicant_add_rate brstr "$br"
564 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
566 iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
567 ${beacon_int:+beacon-interval $beacon_int} \
568 ${brstr:+basic-rates $brstr} \
569 ${mcval:+mcast-rate $mcval} \
570 ${keyspec:+keys $keyspec}
573 mac80211_setup_vif() {
583 json_get_var vif_txpower txpower
585 ifconfig "$ifname" up || {
586 wireless_setup_vif_failed IFUP_ERROR
591 set_default vif_txpower "$txpower"
592 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
596 # authsae or wpa_supplicant
598 if [ -n "$key" ]; then
599 if [ -e "/lib/wifi/authsae.sh" ]; then
600 . /lib/wifi/authsae.sh
601 authsae_start_interface || failed=1
603 wireless_vif_parse_encryption
604 mac80211_setup_supplicant || failed=1
608 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
609 json_get_var mp_val "$var"
610 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
614 wireless_vif_parse_encryption
615 mac80211_setup_adhoc_htmode
616 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
617 mac80211_setup_supplicant || failed=1
623 mac80211_setup_supplicant || failed=1
628 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
634 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
637 mac80211_interface_cleanup() {
640 for wdev in $(list_phy_interfaces "$phy"); do
641 ifconfig "$wdev" down 2>/dev/null
646 drv_mac80211_cleanup() {
647 hostapd_common_cleanup
650 drv_mac80211_setup() {
654 country chanbw distance \
655 txpower antenna_gain \
656 rxantenna txantenna \
657 frag rts beacon_int htmode
658 json_get_values basic_rate_list basic_rate
662 echo "Could not find PHY for device '$1'"
667 wireless_set_data phy="$phy"
668 mac80211_interface_cleanup "$phy"
670 # convert channel to frequency
671 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
673 [ -n "$country" ] && {
674 iw reg get | grep -q "^country $country:" || {
675 iw reg set "$country"
680 hostapd_conf_file="/var/run/hostapd-$phy.conf"
686 [ -n "$chanbw" ] && {
687 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
688 [ -f "$file" ] && echo "$chanbw" > "$file"
692 set_default rxantenna all
693 set_default txantenna all
694 set_default distance 0
695 set_default antenna_gain 0
697 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
698 iw phy "$phy" set antenna_gain $antenna_gain
699 iw phy "$phy" set distance "$distance"
701 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
702 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
706 for_each_interface "ap" mac80211_check_ap
708 rm -f "$hostapd_conf_file"
709 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
711 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
712 for_each_interface "ap" mac80211_prepare_vif
714 [ -n "$hostapd_ctrl" ] && {
715 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
717 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
719 wireless_setup_failed HOSTAPD_START_FAILED
724 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
729 list_phy_interfaces() {
731 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
732 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
734 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
738 drv_mac80211_teardown() {
739 wireless_process_kill_all
745 mac80211_interface_cleanup "$phy"