2 append DRIVERS "mac80211"
4 mac80211_hostapd_setup_base() {
8 cfgfile="/var/run/hostapd-$phy.conf"
9 config_get device "$vif" device
10 config_get country "$device" country
11 config_get hwmode "$device" hwmode
12 config_get channel "$device" channel
13 [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
14 [ "$channel" = auto ] && channel=
16 config_get hwmode_11n "$device" hwmode_11n
17 [ -n "$hwmode_11n" ] && {
19 append base_cfg "ieee80211n=1" "$N"
20 config_get htmode "$device" htmode
21 config_get ht_capab_list "$device" ht_capab
23 HT20|HT40+|HT40-) ht_capab="[$htmode]";;
26 for cap in $ht_capab_list; do
27 ht_capab="$ht_capab[$cap]"
29 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
32 cat > "$cfgfile" <<EOF
33 ctrl_interface=/var/run/hostapd-$phy
38 wmm_ac_bk_txop_limit=0
43 wmm_ac_be_txop_limit=0
48 wmm_ac_vi_txop_limit=94
53 wmm_ac_vo_txop_limit=47
56 tx_queue_data3_cwmin=15
57 tx_queue_data3_cwmax=1023
58 tx_queue_data3_burst=0
60 tx_queue_data2_cwmin=15
61 tx_queue_data2_cwmax=63
62 tx_queue_data2_burst=0
64 tx_queue_data1_cwmin=7
65 tx_queue_data1_cwmax=15
66 tx_queue_data1_burst=3.0
68 tx_queue_data0_cwmin=3
69 tx_queue_data0_cwmax=7
70 tx_queue_data0_burst=1.5
71 ${hwmode:+hw_mode=$hwmode}
72 ${channel:+channel=$channel}
73 ${country:+country_code=$country}
79 mac80211_hostapd_setup_bss() {
84 cfgfile="/var/run/hostapd-$phy.conf"
85 config_get ifname "$vif" ifname
87 if [ -f "$cfgfile" ]; then
88 append hostapd_cfg "bss=$ifname" "$N"
90 mac80211_hostapd_setup_base "$phy" "$ifname"
91 append hostapd_cfg "interface=$ifname" "$N"
95 net_cfg="$(find_net_config "$vif")"
96 [ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
97 config_set "$vif" bridge "$bridge"
99 hostapd_set_bss_options hostapd_cfg "$vif"
101 config_get_bool wds "$vif" wds 0
102 [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
104 config_get macaddr "$vif" macaddr
105 config_get_bool hidden "$vif" hidden 0
106 cat >> /var/run/hostapd-$phy.conf <<EOF
110 ignore_broadcast_ssid=$hidden
114 mac80211_start_vif() {
119 net_cfg="$(find_net_config "$vif")"
120 [ -z "$net_cfg" ] || start_net "$ifname" "$net_cfg"
122 set_wifi_up "$vif" "$ifname"
125 find_mac80211_phy() {
128 local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
129 config_get phy "$device" phy
130 [ -z "$phy" -a -n "$macaddr" ] && {
131 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
132 [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
133 config_set "$device" phy "$phy"
136 config_get phy "$device" phy
138 [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
139 echo "PHY for wifi device $1 not found"
142 [ -z "$macaddr" ] && {
143 config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
150 local adhoc sta ap monitor mesh
152 config_get vifs "$device" vifs
154 config_get mode "$vif" mode
156 adhoc|sta|ap|monitor|mesh)
159 *) echo "$device($vif): Invalid mode, ignored."; continue;;
163 config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
170 find_mac80211_phy "$device" || return 0
171 config_get phy "$device" phy
173 set_wifi_down "$device"
174 # kill all running hostapd and wpa_supplicant processes that
175 # are running on atheros/mac80211 vifs
176 for pid in `pidof hostapd`; do
177 grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
182 for wdev in $(ls /sys/class/ieee80211/${phy}/device/net 2>/dev/null); do
183 [ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
184 for pid in `pidof wpa_supplicant`; do
185 grep "$wdev" /proc/$pid/cmdline >/dev/null && \
188 ifconfig "$wdev" down 2>/dev/null
198 iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
202 config_get channel "$device" channel
203 config_get vifs "$device" vifs
204 config_get txpower "$device" txpower
205 config_get country "$device" country
206 config_get distance "$device" distance
207 find_mac80211_phy "$device" || return 0
208 config_get phy "$device" phy
214 [ -n "$country" ] && iw reg set "$country"
215 [ "$channel" = "auto" -o "$channel" = "0" ] || {
219 [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
222 # convert channel to frequency
223 local freq="$(get_freq "$phy" "${fixed:+$channel}")"
225 wifi_fixup_hwmode "$device" "g"
227 while [ -d "/sys/class/net/wlan$i" ]; do
231 config_get ifname "$vif" ifname
232 [ -n "$ifname" ] || {
235 config_set "$vif" ifname "$ifname"
237 config_get enc "$vif" encryption
238 config_get mode "$vif" mode
239 config_get ssid "$vif" ssid
241 # It is far easier to delete and create the desired interface
244 iw phy "$phy" interface add "$ifname" type adhoc
247 # Hostapd will handle recreating the interface and
248 # it's accompanying monitor
249 apidx="$(($apidx + 1))"
250 [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
253 config_get mesh_id "$vif" mesh_id
254 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
257 iw phy "$phy" interface add "$ifname" type monitor
261 config_get_bool wds "$vif" wds 0
262 [ "$wds" -gt 0 ] && wdsflag="4addr on"
263 iw phy "$phy" interface add "$ifname" type managed $wdsflag
264 config_get_bool powersave "$vif" powersave 0
265 [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
266 iwconfig "$ifname" power "$powersave"
270 # All interfaces must have unique mac addresses
271 # which can either be explicitly set in the device
272 # section, or automatically generated
273 config_get macaddr "$device" macaddr
274 local mac_1="${macaddr%%:*}"
275 local mac_2="${macaddr#*:}"
277 config_get vif_mac "$vif" macaddr
278 [ -n "$vif_mac" ] || {
279 if [ "$macidx" -gt 0 ]; then
280 offset="$(( 2 + $macidx * 4 ))"
284 vif_mac="$( printf %02x $((0x$mac_1 + $offset)) ):$mac_2"
285 macidx="$(($macidx + 1))"
287 [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
288 config_set "$vif" macaddr "$vif_mac"
295 # ALL ap functionality will be passed to hostapd
297 # !! mesh / adhoc / station !!
298 # none -> NO encryption
300 # wep + keymgmt = '' -> we use iw to connect to the
303 # wep + keymgmt = 'NONE' -> wpa_supplicant will be
304 # configured to handle the wep connection
305 if [ ! "$mode" = "ap" ]; then
306 # We attempt to set the channel for all interfaces, although
307 # mac80211 may not support it or the driver might not yet
308 # for ap mode this is handled by hostapd
309 [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
315 config_get keymgmt "$vif" keymgmt
316 if [ -z "$keymgmt" ]; then
317 config_get key "$vif" key
321 for idx in 1 2 3 4; do
324 config_get ckey "$vif" "key${idx}"
325 if [ -n "$ckey" ]; then
326 [ $idx -eq $key ] && zidx="d:${zidx}"
327 append keystring "${zidx}:$(prepare_key_wep "$ckey")"
332 keystring="d:0:$(prepare_key_wep "$key")"
338 config_get key "$vif" key
343 # txpower is not yet implemented in iw
344 config_get vif_txpower "$vif" txpower
345 # use vif_txpower (from wifi-iface) to override txpower (from
346 # wifi-device) if the latter doesn't exist
347 txpower="${txpower:-$vif_txpower}"
348 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
350 config_get frag "$vif" frag
351 if [ -n "$frag" ]; then
352 iw phy "$phy" set frag "${frag%%.*}"
355 config_get rts "$vif" rts
356 if [ -n "$rts" ]; then
357 iw phy "$phy" set rts "${rts%%.*}"
360 ifconfig "$ifname" up
362 [ "$mode" = "ap" ] || mac80211_start_vif "$vif" "$ifname"
366 config_get bssid "$vif" bssid
367 iw dev "$ifname" ibss join "$ssid" $freq ${fixed:+fixed-freq} $bssid
370 config_get bssid "$vif" bssid
373 if [ -z "$keymgmt" ]; then
374 [ -n "$keystring" ] &&
375 iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid key $keystring
377 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
378 wpa_supplicant_setup_vif "$vif" wext || {
379 echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
380 # make sure this wifi interface won't accidentally stay open without encryption
381 ifconfig "$ifname" down
388 config_get key "$vif" key
389 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
390 wpa_supplicant_setup_vif "$vif" wext || {
391 echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
392 # make sure this wifi interface won't accidentally stay open without encryption
393 ifconfig "$ifname" down
399 iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid
408 rm -f /var/run/hostapd-$phy.conf
410 config_get mode "$vif" mode
411 [ "$mode" = "ap" ] || continue
412 mac80211_hostapd_setup_bss "$phy" "$vif"
416 [ -n "$start_hostapd" ] || return 0
418 hostapd -P /var/run/wifi-$phy.pid -B /var/run/hostapd-$phy.conf || {
419 echo "Failed to start hostapd for $phy"
425 config_get mode "$vif" mode
426 config_get ifname "$vif" ifname
427 [ "$mode" = "ap" ] || continue
428 mac80211_start_vif "$vif" "$ifname"
434 config_get phy "$1" phy
436 find_mac80211_phy "$1" >/dev/null || return 0
437 config_get phy "$1" phy
439 [ "$phy" = "$dev" ] && found=1
446 config_get type "radio$devidx" type
447 [ -n "$type" ] || break
448 devidx=$(($devidx + 1))
450 for dev in $(ls /sys/class/ieee80211); do
452 config_foreach check_device wifi-device
453 [ "$found" -gt 0 ] && continue
459 for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
460 ht_cap="$(($ht_cap | $cap))"
463 [ "$ht_cap" -gt 0 ] && {
465 append ht_capab " option htmode HT20" "$N"
467 list=" list ht_capab"
468 [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N"
469 [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N"
470 [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N"
471 [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N"
473 iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
476 config wifi-device radio$devidx
478 option channel ${channel}
479 option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)
480 option hwmode 11${mode_11n}${mode_band}
482 # REMOVE THIS LINE TO ENABLE WIFI:
486 option device radio$devidx
490 option encryption none
493 devidx=$(($devidx + 1))