2 append DRIVERS "mac80211"
4 mac80211_hostapd_setup_base() {
8 cfgfile="/var/run/hostapd-$phy.conf"
9 macfile="/var/run/hostapd-$phy.maclist"
10 [ -e "$macfile" ] && rm -f "$macfile"
12 config_get device "$vif" device
13 config_get country "$device" country
14 config_get hwmode "$device" hwmode
15 config_get channel "$device" channel
16 config_get beacon_int "$device" beacon_int
17 config_get basic_rate_list "$device" basic_rate
18 config_get_bool noscan "$device" noscan
20 hostapd_set_log_options base_cfg "$device"
22 [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
24 [ "$channel" = auto ] && {
25 channel=$(iw phy "$phy" info | \
26 sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
27 config_set "$device" channel "$channel"
31 config_get hwmode_11n "$device" hwmode_11n
32 [ -n "$hwmode_11n" ] && {
34 append base_cfg "ieee80211n=1" "$N"
35 config_get htmode "$device" htmode
36 config_get ht_capab_list "$device" ht_capab
38 HT20|HT40+|HT40-) ht_capab="[$htmode]";;
41 for cap in $ht_capab_list; do
42 ht_capab="$ht_capab[$cap]"
44 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
49 [ -n "$country" ] && country_ie=1
50 config_get_bool country_ie "$device" country_ie "$country_ie"
51 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
53 config_get macfilter "$vif" macfilter
56 append base_cfg "macaddr_acl=1" "$N"
57 append base_cfg "accept_mac_file=$macfile" "$N"
60 append base_cfg "macaddr_acl=0" "$N"
61 append base_cfg "deny_mac_file=$macfile" "$N"
64 config_get maclist "$vif" maclist
65 [ -n "$maclist" ] && {
66 for mac in $maclist; do
67 echo "$mac" >> $macfile
72 [ -n "$basic_rate_list" ] && {
73 for br in $basic_rate_list; do
74 brval="$(($br / 100))"
75 [ -n "$brstr" ] && brstr="$brstr "
80 cat >> "$cfgfile" <<EOF
81 ctrl_interface=/var/run/hostapd-$phy
86 wmm_ac_bk_txop_limit=0
91 wmm_ac_be_txop_limit=0
96 wmm_ac_vi_txop_limit=94
101 wmm_ac_vo_txop_limit=47
103 tx_queue_data3_aifs=7
104 tx_queue_data3_cwmin=15
105 tx_queue_data3_cwmax=1023
106 tx_queue_data3_burst=0
107 tx_queue_data2_aifs=3
108 tx_queue_data2_cwmin=15
109 tx_queue_data2_cwmax=63
110 tx_queue_data2_burst=0
111 tx_queue_data1_aifs=1
112 tx_queue_data1_cwmin=7
113 tx_queue_data1_cwmax=15
114 tx_queue_data1_burst=3.0
115 tx_queue_data0_aifs=1
116 tx_queue_data0_cwmin=3
117 tx_queue_data0_cwmax=7
118 tx_queue_data0_burst=1.5
119 ${hwmode:+hw_mode=$hwmode}
120 ${channel:+channel=$channel}
121 ${beacon_int:+beacon_int=$beacon_int}
122 ${country:+country_code=$country}
123 ${noscan:+noscan=$noscan}
124 ${brstr:+basic_rates=$brstr}
130 mac80211_hostapd_setup_bss() {
135 cfgfile="/var/run/hostapd-$phy.conf"
136 config_get ifname "$vif" ifname
138 if [ -f "$cfgfile" ]; then
139 append hostapd_cfg "bss=$ifname" "$N"
141 mac80211_hostapd_setup_base "$phy" "$ifname"
142 append hostapd_cfg "interface=$ifname" "$N"
146 net_cfg="$(find_net_config "$vif")"
147 [ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
148 config_set "$vif" bridge "$bridge"
150 hostapd_set_bss_options hostapd_cfg "$vif"
152 config_get_bool wds "$vif" wds 0
153 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
155 local macaddr hidden maxassoc wmm
156 config_get macaddr "$vif" macaddr
157 config_get maxassoc "$vif" maxassoc
158 config_get dtim_period "$vif" dtim_period
159 config_get max_listen_int "$vif" max_listen_int
160 config_get_bool hidden "$vif" hidden 0
161 config_get_bool wmm "$vif" wmm 1
162 cat >> /var/run/hostapd-$phy.conf <<EOF
166 ignore_broadcast_ssid=$hidden
167 ${dtim_period:+dtim_period=$dtim_period}
168 ${max_listen_int:+max_listen_interval=$max_listen_int}
169 ${maxassoc:+max_num_sta=$maxassoc}
173 mac80211_start_vif() {
178 net_cfg="$(find_net_config "$vif")"
179 [ -z "$net_cfg" ] || start_net "$ifname" "$net_cfg"
181 set_wifi_up "$vif" "$ifname"
184 find_mac80211_phy() {
187 local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
188 config_get phy "$device" phy
189 [ -z "$phy" -a -n "$macaddr" ] && {
190 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
191 [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
192 config_set "$device" phy "$phy"
195 config_get phy "$device" phy
197 [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
198 echo "PHY for wifi device $1 not found"
201 [ -z "$macaddr" ] && {
202 config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
209 local adhoc sta ap monitor mesh disabled
211 config_get vifs "$device" vifs
213 config_get_bool disabled "$vif" disabled 0
214 [ $disabled = 0 ] || continue
216 config_get mode "$vif" mode
218 adhoc|sta|ap|monitor|mesh)
221 *) echo "$device($vif): Invalid mode, ignored."; continue;;
225 config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
228 list_phy_interfaces() {
230 if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
231 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
233 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
240 find_mac80211_phy "$device" || return 0
241 config_get phy "$device" phy
243 set_wifi_down "$device"
244 # kill all running hostapd and wpa_supplicant processes that
245 # are running on atheros/mac80211 vifs
246 for pid in `pidof hostapd`; do
247 grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
252 for wdev in $(list_phy_interfaces "$phy"); do
253 [ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
254 for pid in `pidof wpa_supplicant`; do
255 grep "$wdev" /proc/$pid/cmdline >/dev/null && \
258 ifconfig "$wdev" down 2>/dev/null
269 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
272 mac80211_generate_mac() {
275 local oIFS="$IFS"; IFS=":"; set -- $mac; IFS="$oIFS"
278 [ $off -gt 0 ] && b2mask=0x02
280 printf "%02x:%s:%s:%s:%02x:%02x" \
281 $(( 0x$1 | $b2mask )) $2 $3 $4 \
282 $(( (0x$5 + ($off / 0x100)) % 0x100 )) \
283 $(( (0x$6 + $off) % 0x100 ))
288 config_get channel "$device" channel
289 config_get vifs "$device" vifs
290 config_get txpower "$device" txpower
291 config_get country "$device" country
292 config_get distance "$device" distance
293 config_get txantenna "$device" txantenna all
294 config_get rxantenna "$device" rxantenna all
295 config_get frag "$device" frag
296 config_get rts "$device" rts
297 find_mac80211_phy "$device" || return 0
298 config_get phy "$device" phy
303 local hostapd_ctrl=""
305 [ -n "$country" ] && {
306 iw reg get | grep -q "^country $country:" || {
307 iw reg set "$country"
312 config_get ath9k_chanbw "$device" ath9k_chanbw
313 [ -n "$ath9k_chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ] && echo "$ath9k_chanbw" > /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw
315 [ -n "$country" ] && iw reg set "$country"
316 [ "$channel" = "auto" -o "$channel" = "0" ] || {
320 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
322 [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
323 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
324 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
327 # convert channel to frequency
328 local freq="$(get_freq "$phy" "${fixed:+$channel}")"
330 wifi_fixup_hwmode "$device" "g"
332 config_get ifname "$vif" ifname
333 [ -n "$ifname" ] || {
334 [ $i -gt 0 ] && ifname="wlan${phy#phy}-$i" || ifname="wlan${phy#phy}"
336 config_set "$vif" ifname "$ifname"
338 config_get mode "$vif" mode
339 config_get ssid "$vif" ssid
341 # It is far easier to delete and create the desired interface
344 iw phy "$phy" interface add "$ifname" type adhoc
347 # Hostapd will handle recreating the interface and
348 # it's accompanying monitor
349 apidx="$(($apidx + 1))"
350 [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
353 config_get mesh_id "$vif" mesh_id
354 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
357 iw phy "$phy" interface add "$ifname" type monitor
361 config_get_bool wds "$vif" wds 0
362 [ "$wds" -gt 0 ] && wdsflag="4addr on"
363 iw phy "$phy" interface add "$ifname" type managed $wdsflag
364 config_get_bool powersave "$vif" powersave 0
365 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
366 iw "$ifname" set power_save "$powersave"
370 # All interfaces must have unique mac addresses
371 # which can either be explicitly set in the device
372 # section, or automatically generated
373 config_get macaddr "$device" macaddr
374 config_get vif_mac "$vif" macaddr
375 [ -n "$vif_mac" ] || {
376 vif_mac="$(mac80211_generate_mac $macidx $macaddr)"
377 macidx="$(($macidx + 1))"
379 [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
380 config_set "$vif" macaddr "$vif_mac"
384 # ALL ap functionality will be passed to hostapd
388 # ALL station functionality will be passed to wpa_supplicant
390 if [ ! "$mode" = "ap" ]; then
391 # We attempt to set the channel for all interfaces, although
392 # mac80211 may not support it or the driver might not yet
393 # for ap mode this is handled by hostapd
394 [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
401 rm -f /var/run/hostapd-$phy.conf
403 config_get mode "$vif" mode
404 [ "$mode" = "ap" ] || continue
405 mac80211_hostapd_setup_bss "$phy" "$vif"
409 [ -n "$start_hostapd" ] && {
410 hostapd -P /var/run/wifi-$phy.pid -B /var/run/hostapd-$phy.conf || {
411 echo "Failed to start hostapd for $phy"
417 config_get mode "$vif" mode
418 config_get ifname "$vif" ifname
419 [ "$mode" = "ap" ] || continue
420 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd-$phy/$ifname}"
421 mac80211_start_vif "$vif" "$ifname"
426 config_get mode "$vif" mode
427 config_get ifname "$vif" ifname
428 [ ! "$mode" = "ap" ] || continue
429 ifconfig "$ifname" up
431 config_get vif_txpower "$vif" txpower
432 # use vif_txpower (from wifi-iface) to override txpower (from
433 # wifi-device) if the latter doesn't exist
434 txpower="${txpower:-$vif_txpower}"
435 [ -z "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
437 if [ ! "$mode" = "ap" ]; then
438 ifconfig "$ifname" up
441 config_get bssid "$vif" bssid
442 config_get ssid "$vif" ssid
443 config_get beacon_int "$device" beacon_int
444 config_get basic_rate_list "$device" basic_rate
445 config_get encryption "$vif" encryption
446 config_get key "$vif" key 1
447 config_get mcast_rate "$vif" mcast_rate
450 [ "$encryption" == "wep" ] && {
454 for idx in 1 2 3 4; do
456 config_get ikey "$vif" "key$idx"
459 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
460 [ $idx -eq $key ] && ikey="d:$ikey"
461 append keyspec "$ikey"
465 *) append keyspec "d:0:$(prepare_key_wep "$key")" ;;
469 local br brval brsub brstr
470 [ -n "$basic_rate_list" ] && {
471 for br in $basic_rate_list; do
472 brval="$(($br / 1000))"
473 brsub="$((($br / 100) % 10))"
474 [ "$brsub" -gt 0 ] && brval="$brval.$brsub"
475 [ -n "$brstr" ] && brstr="$brstr,"
481 [ -n "$mcast_rate" ] && {
482 mcval="$(($mcast_rate / 1000))"
483 mcsub="$(( ($mcast_rate / 100) % 10 ))"
484 [ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
487 config_get htmode "$device" htmode
493 iw dev "$ifname" ibss join "$ssid" $freq $htmode \
494 ${fixed:+fixed-freq} $bssid \
495 ${beacon_int:+beacon-interval $beacon_int} \
496 ${brstr:+basic-rates $brstr} \
497 ${mcval:+mcast-rate $mcval} \
498 ${keyspec:+keys $keyspec}
501 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
502 wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" || {
503 echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
504 # make sure this wifi interface won't accidentally stay open without encryption
505 ifconfig "$ifname" down
511 mac80211_start_vif "$vif" "$ifname"
518 check_mac80211_device() {
519 config_get phy "$1" phy
521 find_mac80211_phy "$1" >/dev/null || return 0
522 config_get phy "$1" phy
524 [ "$phy" = "$dev" ] && found=1
531 config_get type "radio$devidx" type
532 [ -n "$type" ] || break
533 devidx=$(($devidx + 1))
535 for dev in $(ls /sys/class/ieee80211); do
537 config_foreach check_mac80211_device wifi-device
538 [ "$found" -gt 0 ] && continue
544 for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
545 ht_cap="$(($ht_cap | $cap))"
548 [ "$ht_cap" -gt 0 ] && {
550 append ht_capab " option htmode HT20" "$N"
552 list=" list ht_capab"
553 [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N"
554 [ "$(($ht_cap & 16))" -eq 16 ] && append ht_capab "$list GF" "$N"
555 [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N"
556 [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N"
557 [ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list TX-STBC" "$N"
558 [ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list RX-STBC1" "$N"
559 [ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list RX-STBC12" "$N"
560 [ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list RX-STBC123" "$N"
561 [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N"
563 iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
566 config wifi-device radio$devidx
568 option channel ${channel}
569 option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)
570 option hwmode 11${mode_11n}${mode_band}
572 # REMOVE THIS LINE TO ENABLE WIFI:
576 option device radio$devidx
580 option encryption none
583 devidx=$(($devidx + 1))