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_mpdu vht_max_rx_stbc vht_link_adapt vht160
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 $MP_CONFIG_STRING
59 mac80211_hostapd_setup_base() {
64 [ "$auto_channel" -gt 0 ] && channel=acs_survey
66 [ "$enable_ht" -gt 0 ] && {
67 json_get_vars noscan htmode
68 json_get_values ht_capab_list ht_capab
70 append base_cfg "ieee80211n=1" "$N"
74 HT20|HT40-|HT40+) ht_capab="[$htmode]";;
77 36|44|52|60|100|108|116|124|132|140|149|157) ht_capab="[HT40+]";;
78 40|48|56|64|104|112|120|128|136|144|153|161) ht_capab="[HT40-]";;
82 for cap in $ht_capab_list; do
83 ht_capab="$ht_capab[$cap]"
86 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
108 append base_cfg "vht_oper_chwidth=0" "$N"
109 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
113 36|40|44|48) idx=42;;
114 52|56|60|64) idx=58;;
115 100|104|108|112) idx=106;;
116 116|120|124|128) idx=122;;
117 132|136|140|144) idx=138;;
118 149|153|157|161) idx=155;;
121 append base_cfg "vht_oper_chwidth=1" "$N"
122 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
126 36|40|44|48|52|56|60|64) idx=50;;
127 100|104|108|112|116|120|124|128) idx=114;;
130 append base_cfg "vht_oper_chwidth=2" "$N"
131 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
135 if [ "$enable_ac" != "0" ]; then
147 rx_antenna_pattern:1 \
148 tx_antenna_pattern:1 \
154 append base_cfg "ieee80211ac=1" "$N"
157 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
158 vht_cap="$(($vht_cap | $cap))"
162 [ "$((($vht_cap & 16) * $rxldpc))" -eq 16 ] && \
163 vht_capab="$vht_capab[RXLDPC]"
164 [ "$((($vht_cap & 32) * $short_gi_80))" -eq 32 ] && \
165 vht_capab="$vht_capab[SHORT-GI-80]"
166 [ "$((($vht_cap & 64) * $short_gi_160))" -eq 64 ] && \
167 vht_capab="$vht_capab[SHORT-GI-160]"
168 [ "$((($vht_cap & 128) * $tx_stbc_2by1))" -eq 128 ] && \
169 vht_capab="$vht_capab[TX-STBC-2BY1]"
170 [ "$((($vht_cap & 2048) * $su_beamformer))" -eq 2048 ] && \
171 vht_capab="$vht_capab[SU-BEAMFORMER]"
172 [ "$((($vht_cap & 4096) * $su_beamformee))" -eq 4096 ] && \
173 vht_capab="$vht_capab[SU-BEAMFORMEE]"
174 [ "$((($vht_cap & 524288) * $mu_beamformer))" -eq 524288 ] && \
175 vht_capab="$vht_capab[MU-BEAMFORMER]"
176 [ "$((($vht_cap & 1048576) * $mu_beamformee))" -eq 1048576 ] && \
177 vht_capab="$vht_capab[MU-BEAMFORMEE]"
178 [ "$((($vht_cap & 2097152) * $vht_txop_ps))" -eq 2097152 ] && \
179 vht_capab="$vht_capab[VHT-TXOP-PS]"
180 [ "$((($vht_cap & 4194304) * $htc_vht))" -eq 4194304 ] && \
181 vht_capab="$vht_capab[HTC-VHT]"
182 [ "$((($vht_cap & 268435456) * $rx_antenna_pattern))" -eq 268435456 ] && \
183 vht_capab="$vht_capab[RX-ANTENNA-PATTERN]"
184 [ "$((($vht_cap & 536870912) * $tx_antenna_pattern))" -eq 536870912 ] && \
185 vht_capab="$vht_capab[TX-ANTENNA-PATTERN]"
187 # supported Channel widths
189 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
191 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
193 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
194 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
196 # maximum MPDU length
198 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
200 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
201 vht_max_mpdu_hw=11454
202 [ "$vht_max_mpdu_hw" != 3895 ] && \
203 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
205 # support for the reception of PPDUs using STBC
207 [ "$(($vht_cap & 1792))" -ge 256 -a 1 -le "$vht_max_rx_stbc" ] && \
209 [ "$(($vht_cap & 1792))" -ge 512 -a 2 -le "$vht_max_rx_stbc" ] && \
211 [ "$(($vht_cap & 1792))" -ge 768 -a 3 -le "$vht_max_rx_stbc" ] && \
213 [ "$(($vht_cap & 1792))" -ge 1024 -a 4 -le "$vht_max_rx_stbc" ] && \
215 [ "$vht_max_rx_stbc_hw" = 1 ] && vht_capab="$vht_capab[RX-STBC-1]"
216 [ "$vht_max_rx_stbc_hw" = 2 ] && vht_capab="$vht_capab[RX-STBC-12]"
217 [ "$vht_max_rx_stbc_hw" = 3 ] && vht_capab="$vht_capab[RX-STBC-123]"
218 [ "$vht_max_rx_stbc_hw" = 4 ] && vht_capab="$vht_capab[RX-STBC-1234]"
220 # whether or not the STA supports link adaptation using VHT variant
222 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
224 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
226 [ "$vht_link_adapt_hw" != 0 ] && \
227 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
229 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
233 hostapd_prepare_device_config "$hostapd_conf_file" nl80211
234 cat >> "$hostapd_conf_file" <<EOF
235 ${channel:+channel=$channel}
236 ${noscan:+noscan=$noscan}
243 mac80211_hostapd_setup_bss() {
250 append hostapd_cfg "$type=$ifname" "$N"
252 hostapd_set_bss_options hostapd_cfg "$vif" || return 1
253 json_get_vars wds dtim_period max_listen_int
257 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
258 [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
260 cat >> /var/run/hostapd-$phy.conf <<EOF
263 ${dtim_period:+dtim_period=$dtim_period}
264 ${max_listen_int:+max_listen_interval=$max_listen_int}
268 mac80211_generate_mac() {
270 local id="${macidx:-0}"
272 local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
273 local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
275 [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
276 local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
281 local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
284 [ "$((0x$mask1))" -gt 0 ] && {
287 b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
288 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
292 [ "$((0x$mask6))" -lt 255 ] && {
293 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
297 off2=$(( (0x$6 + $id) / 0x100 ))
298 printf "%s:%s:%s:%s:%02x:%02x" \
300 $(( (0x$5 + $off2) % 0x100 )) \
301 $(( (0x$6 + $id) % 0x100 ))
305 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
306 [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
307 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
308 [ -n "$phy" ] && return 0
310 [ -n "$macaddr" ] && {
311 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
312 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
318 mac80211_check_ap() {
322 mac80211_prepare_vif() {
325 json_get_vars ifname mode ssid wds powersave macaddr
327 [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
328 if_idx=$((${if_idx:-0} + 1))
331 set_default powersave 0
335 [ -n "$macaddr" ] || {
336 macaddr="$(mac80211_generate_mac $phy)"
337 macidx="$(($macidx + 1))"
341 json_add_string ifname "$ifname"
345 # It is far easier to delete and create the desired interface
348 iw phy "$phy" interface add "$ifname" type adhoc
351 # Hostapd will handle recreating the interface and
352 # subsequent virtual APs belonging to the same PHY
353 if [ -n "$hostapd_ctrl" ]; then
359 mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
361 [ -n "$hostapd_ctrl" ] || {
362 iw phy "$phy" interface add "$ifname" type managed
363 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
367 json_get_vars key mesh_id
368 if [ -n "$key" ]; then
369 iw phy "$phy" interface add "$ifname" type mp
371 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
375 iw phy "$phy" interface add "$ifname" type monitor
379 staidx="$(($staidx + 1))"
380 [ "$wds" -gt 0 ] && wdsflag="4addr on"
381 iw phy "$phy" interface add "$ifname" type managed $wdsflag
382 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
383 iw "$ifname" set power_save "$powersave"
389 [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
393 if [ "$mode" != "ap" ]; then
394 # ALL ap functionality will be passed to hostapd
395 # All interfaces must have unique mac addresses
396 # which can either be explicitly set in the device
397 # section, or automatically generated
398 ifconfig "$ifname" hw ether "$macaddr"
404 mac80211_setup_supplicant() {
405 wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
406 wpa_supplicant_add_network "$ifname"
407 wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
410 mac80211_setup_adhoc() {
411 json_get_vars bssid ssid key mcast_rate
414 [ "$auth_type" == "wep" ] && {
419 for idx in 1 2 3 4; do
420 json_get_var ikey "key$idx"
423 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
424 [ $idx -eq $key ] && ikey="d:$ikey"
425 append keyspec "$ikey"
430 append keyspec "d:0:$(prepare_key_wep "$key")"
436 for br in $basic_rate_list; do
437 hostapd_add_rate brstr "$br"
441 [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
443 iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
444 ${beacon_int:+beacon-interval $beacon_int} \
445 ${brstr:+basic-rates $brstr} \
446 ${mcval:+mcast-rate $mcval} \
447 ${keyspec:+keys $keyspec}
450 mac80211_setup_vif() {
459 json_get_var vif_txpower txpower
461 ifconfig "$ifname" up || {
462 wireless_setup_vif_failed IFUP_ERROR
467 set_default vif_txpower "$txpower"
468 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
472 for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
473 json_get_var mp_val "$var"
474 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
479 wireless_vif_parse_encryption
480 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
481 mac80211_setup_supplicant || failed=1
487 mac80211_setup_supplicant || failed=1
492 [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
498 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
501 mac80211_interface_cleanup() {
504 for wdev in $(list_phy_interfaces "$phy"); do
505 ifconfig "$wdev" down 2>/dev/null
510 drv_mac80211_cleanup() {
511 hostapd_common_cleanup
514 drv_mac80211_setup() {
518 country chanbw distance \
519 txpower antenna_gain \
520 rxantenna txantenna \
522 json_get_values basic_rate_list basic_rate
526 echo "Could not find PHY for device '$1'"
531 wireless_set_data phy="$phy"
532 mac80211_interface_cleanup "$phy"
534 # convert channel to frequency
535 [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
537 [ -n "$country" ] && {
538 iw reg get | grep -q "^country $country:" || {
539 iw reg set "$country"
544 hostapd_conf_file="/var/run/hostapd-$phy.conf"
550 [ -n "$chanbw" ] && {
551 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
552 [ -f "$file" ] && echo "$chanbw" > "$file"
556 set_default rxantenna all
557 set_default txantenna all
558 set_default distance 0
559 set_default antenna_gain 0
561 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
562 iw phy "$phy" set antenna_gain $antenna_gain
563 iw phy "$phy" set distance "$distance"
565 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
566 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
570 for_each_interface "ap" mac80211_check_ap
572 rm -f "$hostapd_conf_file"
573 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
575 for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
576 for_each_interface "ap" mac80211_prepare_vif
578 [ -n "$hostapd_ctrl" ] && {
579 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
581 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
583 wireless_setup_failed HOSTAPD_START_FAILED
588 for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
593 list_phy_interfaces() {
595 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
596 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
598 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
602 drv_mac80211_teardown() {
603 wireless_process_kill_all
609 mac80211_interface_cleanup "$phy"