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
26 config_add_array channels
40 config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
50 drv_mac80211_init_iface_config() {
51 hostapd_common_add_bss_config
53 config_add_string 'macaddr:macaddr' ifname
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
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
68 mac80211_add_capabilities() {
69 local __var="$1"; shift
70 local __mask="$1"; shift
78 [ "$(($4))" -gt 0 ] || continue
79 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
84 export -n -- "$__var=$__out"
87 mac80211_hostapd_setup_base() {
92 [ "$auto_channel" -gt 0 ] && channel=acs_survey
93 [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
95 json_get_vars noscan ht_coex
96 json_get_values ht_capab_list ht_capab
102 HT40*|VHT40|VHT80|VHT160)
105 case "$(( ($channel / 4) % 2 ))" in
106 1) ht_capab="[HT40+]";;
107 0) ht_capab="[HT40-]";;
112 HT40+) ht_capab="[HT40+]";;
113 HT40-) ht_capab="[HT40-]";;
115 if [ "$channel" -lt 7 ]; then
124 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
129 [ -n "$ieee80211n" ] && {
130 append base_cfg "ieee80211n=1" "$N"
132 set_default ht_coex 0
133 append base_cfg "ht_coex=$ht_coex" "$N"
146 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
147 ht_cap_mask="$(($ht_cap_mask | $cap))"
150 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
151 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
152 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
154 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
156 GF:0x10::$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::$dsss_cck_40
166 ht_capab="$ht_capab$ht_capab_flags"
167 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
176 case "$(( ($channel / 4) % 2 ))" in
177 1) idx=$(($channel + 2));;
178 0) idx=$(($channel - 2));;
181 append base_cfg "vht_oper_chwidth=0" "$N"
182 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
185 case "$(( ($channel / 4) % 4 ))" in
186 1) idx=$(($channel + 6));;
187 2) idx=$(($channel + 2));;
188 3) idx=$(($channel - 2));;
189 0) idx=$(($channel - 6));;
192 append base_cfg "vht_oper_chwidth=1" "$N"
193 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
197 36|40|44|48|52|56|60|64) idx=50;;
198 100|104|108|112|116|120|124|128) idx=114;;
201 append base_cfg "vht_oper_chwidth=2" "$N"
202 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
206 if [ "$enable_ac" != "0" ]; then
218 rx_antenna_pattern:1 \
219 tx_antenna_pattern:1 \
220 vht_max_a_mpdu_len_exp:7 \
226 append base_cfg "ieee80211ac=1" "$N"
228 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
229 vht_cap="$(($vht_cap | $cap))"
232 cap_rx_stbc=$((($vht_cap >> 8) & 7))
233 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
234 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
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::$tx_antenna_pattern \
249 RX-STBC-1:0x700:0x100:1 \
250 RX-STBC-12:0x700:0x200:1 \
251 RX-STBC-123:0x700:0x300:1 \
252 RX-STBC-1234:0x700:0x400:1 \
254 # supported Channel widths
256 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
258 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
260 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
261 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
263 # maximum MPDU length
265 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
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]"
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$vht_max_a_mpdu_len_exp_hw]"
290 # whether or not the STA supports link adaptation using VHT variant
292 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
294 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
296 [ "$vht_link_adapt_hw" != 0 ] && \
297 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
299 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
302 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
303 cat >> "$hostapd_conf_file" <<EOF
304 ${channel:+channel=$channel}
305 ${channel_list:+chanlist=$channel_list}
306 ${noscan:+noscan=$noscan}
313 mac80211_hostapd_setup_bss() {
320 append hostapd_cfg "$type=$ifname" "$N"
322 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
323 json_get_vars wds dtim_period max_listen_int start_disabled
326 set_default start_disabled 0
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" "$N"
331 cat >> /var/run/hostapd-$phy.conf <<EOF
334 ${dtim_period:+dtim_period=$dtim_period}
335 ${max_listen_int:+max_listen_interval=$max_listen_int}
339 mac80211_get_addr() {
341 local idx="$(($2 + 1))"
343 head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
346 mac80211_generate_mac() {
348 local id="${macidx:-0}"
350 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
351 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
353 [ "$mask" = "00:00:00:00:00:00" ] && {
354 mask="ff:ff:ff:ff:ff:ff";
356 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
357 addr="$(mac80211_get_addr "$phy" "$id")"
365 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
370 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
373 [ "$((0x$mask1))" -gt 0 ] && {
376 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
377 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
381 [ "$((0x$mask6))" -lt 255 ] && {
382 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
386 off2=$(( (0x$6 + $id) / 0x100 ))
387 printf "%s:%s:%s:%s:%02x:%02x" \
389 $(( (0x$5 + $off2) % 0x100 )) \
390 $(( (0x$6 + $id) % 0x100 ))
394 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
396 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
397 case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
402 [ -n "$macaddr" ] && {
403 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
404 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
410 mac80211_check_ap() {
414 mac80211_iw_interface_add() {
421 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
425 # Device might have just been deleted, give the kernel some time to finish cleaning it up
428 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
432 [ "$rc" != 0 ] && wireless_setup_failed INTERFACE_CREATION_FAILED
436 mac80211_prepare_vif() {
439 json_get_vars ifname mode ssid wds powersave macaddr
441 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
442 if_idx=$((${if_idx:-0} + 1))
445 set_default powersave 0
449 [ -n "$macaddr" ] || {
450 macaddr="$(mac80211_generate_mac $phy)"
451 macidx="$(($macidx + 1))"
455 json_add_string ifname "$ifname"
459 # It is far easier to delete and create the desired interface
462 mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
465 # Hostapd will handle recreating the interface and
466 # subsequent virtual APs belonging to the same PHY
467 if [ -n "$hostapd_ctrl" ]; then
473 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
475 [ -n "$hostapd_ctrl" ] || {
476 mac80211_iw_interface_add "$phy" "$ifname" __ap || return
477 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
481 mac80211_iw_interface_add "$phy" "$ifname" mp || return
484 mac80211_iw_interface_add "$phy" "$ifname" monitor || return
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 "$powersave"
498 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
502 if [ "$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"
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 $hostapd_ctrl}
519 mac80211_setup_adhoc_htmode() {
521 VHT20|HT20) ibss_htmode=HT20;;
525 case "$(( ($channel / 4) % 2 ))" in
526 1) ibss_htmode="HT40+" ;;
527 0) ibss_htmode="HT40-";;
532 HT40+) ibss_htmode="HT40+";;
533 HT40-) ibss_htmode="HT40-";;
535 if [ "$channel" -lt 7 ]; then
544 [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
557 mac80211_setup_adhoc() {
558 json_get_vars bssid ssid key mcast_rate
561 [ "$auth_type" = "wep" ] && {
566 for idx in 1 2 3 4; do
567 json_get_var ikey "key$idx"
570 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
571 [ $idx -eq $key ] && ikey="d:$ikey"
572 append keyspec "$ikey"
577 append keyspec "d:0:$(prepare_key_wep "$key")"
583 for br in $basic_rate_list; do
584 wpa_supplicant_add_rate brstr "$br"
588 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
590 iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
591 ${beacon_int:+beacon-interval $beacon_int} \
592 ${brstr:+basic-rates $brstr} \
593 ${mcval:+mcast-rate $mcval} \
594 ${keyspec:+keys $keyspec}
597 mac80211_setup_vif() {
607 json_get_var vif_txpower txpower
609 ip link set dev "$ifname" up || {
610 wireless_setup_vif_failed IFUP_ERROR
615 set_default vif_txpower "$txpower"
616 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
620 # authsae or wpa_supplicant
622 if [ -n "$key" ]; then
623 if [ -e "/lib/wifi/authsae.sh" ]; then
624 . /lib/wifi/authsae.sh
625 authsae_start_interface || failed=1
627 wireless_vif_parse_encryption
628 mac80211_setup_supplicant || failed=1
631 json_get_vars mesh_id mcast_rate
634 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
637 VHT20|HT20) mesh_htmode=HT20;;
641 case "$(( ($channel / 4) % 2 ))" in
642 1) mesh_htmode="HT40+" ;;
643 0) mesh_htmode="HT40-";;
648 HT40+) mesh_htmode="HT40+";;
649 HT40-) mesh_htmode="HT40-";;
651 if [ "$channel" -lt 7 ]; then
667 *) mesh_htmode="NOHT" ;;
670 freq="$(get_freq "$phy" "$channel")"
671 iw dev "$ifname" mesh join "$mesh_id" freq $freq $mesh_htmode ${mcval:+mcast-rate $mcval}
674 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
675 json_get_var mp_val "$var"
676 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
680 wireless_vif_parse_encryption
681 mac80211_setup_adhoc_htmode
682 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
683 mac80211_setup_supplicant || failed=1
689 mac80211_setup_supplicant || failed=1
694 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
700 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
703 mac80211_interface_cleanup() {
706 for wdev in $(list_phy_interfaces "$phy"); do
707 ip link set dev "$wdev" down 2>/dev/null
712 drv_mac80211_cleanup() {
713 hostapd_common_cleanup
716 drv_mac80211_setup() {
720 country chanbw distance \
721 txpower antenna_gain \
722 rxantenna txantenna \
723 frag rts beacon_int htmode
724 json_get_values basic_rate_list basic_rate
728 echo "Could not find PHY for device '$1'"
733 wireless_set_data phy="$phy"
734 mac80211_interface_cleanup "$phy"
736 # convert channel to frequency
737 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
739 [ -n "$country" ] && {
740 iw reg get | grep -q "^country $country:" || {
741 iw reg set "$country"
746 hostapd_conf_file="/var/run/hostapd-$phy.conf"
752 [ -n "$chanbw" ] && {
753 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
754 [ -f "$file" ] && echo "$chanbw" > "$file"
758 set_default rxantenna all
759 set_default txantenna all
760 set_default distance 0
761 set_default antenna_gain 0
763 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
764 iw phy "$phy" set antenna_gain $antenna_gain
765 iw phy "$phy" set distance "$distance"
767 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
768 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
772 for_each_interface "ap" mac80211_check_ap
774 rm -f "$hostapd_conf_file"
775 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
777 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
778 for_each_interface "ap" mac80211_prepare_vif
780 [ -n "$hostapd_ctrl" ] && {
781 /usr/sbin/hostapd -s -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
783 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
785 wireless_setup_failed HOSTAPD_START_FAILED
790 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
795 list_phy_interfaces() {
797 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
798 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
800 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
804 drv_mac80211_teardown() {
805 wireless_process_kill_all
811 mac80211_interface_cleanup "$phy"