#!/bin/sh
append DRIVERS "mac80211"
+mac80211_hostapd_setup_base() {
+ local phy="$1"
+ local ifname="$2"
+
+ cfgfile="/var/run/hostapd-$phy.conf"
+ macfile="/var/run/hostapd-$phy.maclist"
+ [ -e "$macfile" ] && rm -f "$macfile"
+
+ config_get device "$vif" device
+ config_get country "$device" country
+ config_get hwmode "$device" hwmode
+ config_get channel "$device" channel
+ config_get_bool noscan "$device" noscan
+ [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
+ [ "$channel" = auto ] && channel=
+ [ -n "$hwmode" ] && {
+ config_get hwmode_11n "$device" hwmode_11n
+ [ -n "$hwmode_11n" ] && {
+ hwmode="$hwmode_11n"
+ append base_cfg "ieee80211n=1" "$N"
+ config_get htmode "$device" htmode
+ config_get ht_capab_list "$device" ht_capab
+ case "$htmode" in
+ HT20|HT40+|HT40-) ht_capab="[$htmode]";;
+ *)ht_capab=;;
+ esac
+ for cap in $ht_capab_list; do
+ ht_capab="$ht_capab[$cap]"
+ done
+ [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
+ }
+ }
+
+ config_get macfilter "$vif" macfilter
+ case "$macfilter" in
+ allow)
+ append base_cfg "macaddr_acl=1" "$N"
+ append base_cfg "accept_mac_file=$macfile" "$N"
+ ;;
+ deny)
+ append base_cfg "macaddr_acl=0" "$N"
+ append base_cfg "deny_mac_file=$macfile" "$N"
+ ;;
+ esac
+ config_get maclist "$vif" maclist
+ [ -n "$maclist" ] && {
+ for mac in $maclist; do
+ echo "$mac" >> $macfile
+ done
+ }
+ cat >> "$cfgfile" <<EOF
+ctrl_interface=/var/run/hostapd-$phy
+driver=nl80211
+wmm_ac_bk_cwmin=4
+wmm_ac_bk_cwmax=10
+wmm_ac_bk_aifs=7
+wmm_ac_bk_txop_limit=0
+wmm_ac_bk_acm=0
+wmm_ac_be_aifs=3
+wmm_ac_be_cwmin=4
+wmm_ac_be_cwmax=10
+wmm_ac_be_txop_limit=0
+wmm_ac_be_acm=0
+wmm_ac_vi_aifs=2
+wmm_ac_vi_cwmin=3
+wmm_ac_vi_cwmax=4
+wmm_ac_vi_txop_limit=94
+wmm_ac_vi_acm=0
+wmm_ac_vo_aifs=2
+wmm_ac_vo_cwmin=2
+wmm_ac_vo_cwmax=3
+wmm_ac_vo_txop_limit=47
+wmm_ac_vo_acm=0
+tx_queue_data3_aifs=7
+tx_queue_data3_cwmin=15
+tx_queue_data3_cwmax=1023
+tx_queue_data3_burst=0
+tx_queue_data2_aifs=3
+tx_queue_data2_cwmin=15
+tx_queue_data2_cwmax=63
+tx_queue_data2_burst=0
+tx_queue_data1_aifs=1
+tx_queue_data1_cwmin=7
+tx_queue_data1_cwmax=15
+tx_queue_data1_burst=3.0
+tx_queue_data0_aifs=1
+tx_queue_data0_cwmin=3
+tx_queue_data0_cwmax=7
+tx_queue_data0_burst=1.5
+${hwmode:+hw_mode=$hwmode}
+${channel:+channel=$channel}
+${country:+country_code=$country}
+${noscan:+noscan=$noscan}
+$base_cfg
+
+EOF
+}
+
+mac80211_hostapd_setup_bss() {
+ local phy="$1"
+ local vif="$2"
+
+ hostapd_cfg=
+ cfgfile="/var/run/hostapd-$phy.conf"
+ config_get ifname "$vif" ifname
+
+ if [ -f "$cfgfile" ]; then
+ append hostapd_cfg "bss=$ifname" "$N"
+ else
+ mac80211_hostapd_setup_base "$phy" "$ifname"
+ append hostapd_cfg "interface=$ifname" "$N"
+ fi
+
+ local net_cfg bridge
+ net_cfg="$(find_net_config "$vif")"
+ [ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
+ config_set "$vif" bridge "$bridge"
+
+ hostapd_set_bss_options hostapd_cfg "$vif"
+
+ config_get_bool wds "$vif" wds 0
+ [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
+
+ local macaddr hidden maxassoc wmm
+ config_get macaddr "$vif" macaddr
+ config_get maxassoc "$vif" maxassoc
+ config_get_bool hidden "$vif" hidden 0
+ config_get_bool wmm "$vif" wmm 1
+ cat >> /var/run/hostapd-$phy.conf <<EOF
+$hostapd_cfg
+wmm_enabled=$wmm
+bssid=$macaddr
+ignore_broadcast_ssid=$hidden
+${maxassoc:+max_num_sta=$maxassoc}
+EOF
+}
+
+mac80211_start_vif() {
+ local vif="$1"
+ local ifname="$2"
+
+ local net_cfg
+ net_cfg="$(find_net_config "$vif")"
+ [ -z "$net_cfg" ] || start_net "$ifname" "$net_cfg"
+
+ set_wifi_up "$vif" "$ifname"
+}
+
+find_mac80211_phy() {
+ local device="$1"
+
+ local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
+ config_get phy "$device" phy
+ [ -z "$phy" -a -n "$macaddr" ] && {
+ for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
+ [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
+ config_set "$device" phy "$phy"
+ break
+ done
+ config_get phy "$device" phy
+ }
+ [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
+ echo "PHY for wifi device $1 not found"
+ return 1
+ }
+ [ -z "$macaddr" ] && {
+ config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
+ }
+ return 0
+}
+
scan_mac80211() {
local device="$1"
- local adhoc sta ap
-
+ local adhoc sta ap monitor mesh
+
config_get vifs "$device" vifs
for vif in $vifs; do
-
- config_get ifname "$vif" ifname
- config_set "$vif" ifname "${ifname:-$device}"
-
config_get mode "$vif" mode
case "$mode" in
- adhoc|sta|ap|monitor)
+ adhoc|sta|ap|monitor|mesh)
append $mode "$vif"
;;
*) echo "$device($vif): Invalid mode, ignored."; continue;;
esac
done
- config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }${monitor:+$monitor}"
+ config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
}
+list_phy_interfaces() {
+ local phy="$1"
+ if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
+ ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
+ else
+ ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
+ fi
+}
disable_mac80211() (
local device="$1"
+ find_mac80211_phy "$device" || return 0
+ config_get phy "$device" phy
+
set_wifi_down "$device"
# kill all running hostapd and wpa_supplicant processes that
- # are running on atheros/mac80211 vifs
- for pid in `pidof hostapd wpa_supplicant`; do
- grep wlan /proc/$pid/cmdline >/dev/null && \
+ # are running on atheros/mac80211 vifs
+ for pid in `pidof hostapd`; do
+ grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
kill $pid
done
-
+
include /lib/network
- cd /proc/sys/net
- for dev in *; do
- grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
- ifconfig "$dev" down
- unbridge "$dev"
- }
+ for wdev in $(list_phy_interfaces "$phy"); do
+ [ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
+ for pid in `pidof wpa_supplicant`; do
+ grep "$wdev" /proc/$pid/cmdline >/dev/null && \
+ kill $pid
+ done
+ ifconfig "$wdev" down 2>/dev/null
+ unbridge "$dev"
+ iw dev "$wdev" del
done
+
return 0
)
-
+get_freq() {
+ local phy="$1"
+ local chan="$2"
+ iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
+}
enable_mac80211() {
local device="$1"
config_get channel "$device" channel
config_get vifs "$device" vifs
-
- local first=1
+ config_get txpower "$device" txpower
+ config_get country "$device" country
+ config_get distance "$device" distance
+ config_get antenna "$device" antenna
+ config_get frag "$device" frag
+ config_get rts "$device" rts
+ find_mac80211_phy "$device" || return 0
+ config_get phy "$device" phy
+ local i=0
+ local macidx=0
+ local apidx=0
+ fixed=""
+ local hostapd_ctrl=""
+
+ [ -n "$country" ] && iw reg set "$country"
+ [ "$channel" = "auto" -o "$channel" = "0" ] || {
+ fixed=1
+ }
+
+ [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
+ [ -n "$antenna" ] && iw phy "$phy" set antenna $antenna
+ [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
+ [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
+
+ export channel fixed
+ # convert channel to frequency
+ local freq="$(get_freq "$phy" "${fixed:+$channel}")"
+
+ wifi_fixup_hwmode "$device" "g"
for vif in $vifs; do
- ifconfig "$ifname" down
- config_get ifname "$vif" ifname
- config_get enc "$vif" encryption
- config_get eap_type "$vif" eap_type
- config_get mode "$vif" mode
-
+ while [ -d "/sys/class/net/wlan$i" ]; do
+ i=$(($i + 1))
+ done
+
config_get ifname "$vif" ifname
- [ $? -ne 0 ] && {
- echo "enable_mac80211($device): Failed to set up $mode vif $ifname" >&2
- continue
+ [ -n "$ifname" ] || {
+ ifname="wlan$i"
}
config_set "$vif" ifname "$ifname"
- [ "$first" = 1 ] && {
- # only need to change freq band and channel on the first vif
- iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
- if [ "$mode" = adhoc ]; then
- iwlist "$ifname" scan >/dev/null 2>/dev/null
- sleep 1
- iwconfig "$ifname" mode ad-hoc >/dev/null 2>/dev/null
- fi
- sleep 1
- iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
- }
- if [ "$mode" = sta ]; then
- iwconfig "$ifname" mode managed >/dev/null 2>/dev/null
- else
- iwconfig "$ifname" mode $mode >/dev/null 2>/dev/null
- fi
-
- wpa=
- case "$enc" in
- WEP|wep)
- for idx in 1 2 3 4; do
- config_get key "$vif" "key${idx}"
- iwconfig "$ifname" enc "[$idx]" "${key:-off}"
- done
- config_get key "$vif" key
- key="${key:-1}"
- case "$key" in
- [1234]) iwconfig "$ifname" enc "[$key]";;
- *) iwconfig "$ifname" enc "$key";;
- esac
- ;;
- PSK|psk|PSK2|psk2)
- config_get key "$vif" key
- ;;
- esac
+ config_get mode "$vif" mode
+ config_get ssid "$vif" ssid
+ # It is far easier to delete and create the desired interface
case "$mode" in
adhoc)
- config_get addr "$vif" bssid
- [ -z "$addr" ] || {
- iwconfig "$ifname" ap "$addr"
- }
+ iw phy "$phy" interface add "$ifname" type adhoc
+ ;;
+ ap)
+ # Hostapd will handle recreating the interface and
+ # it's accompanying monitor
+ apidx="$(($apidx + 1))"
+ i=$(($i + 1))
+ [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
+ ;;
+ mesh)
+ config_get mesh_id "$vif" mesh_id
+ iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
+ ;;
+ monitor)
+ iw phy "$phy" interface add "$ifname" type monitor
+ ;;
+ sta)
+ local wdsflag
+ config_get_bool wds "$vif" wds 0
+ [ "$wds" -gt 0 ] && wdsflag="4addr on"
+ iw phy "$phy" interface add "$ifname" type managed $wdsflag
+ config_get_bool powersave "$vif" powersave 0
+ [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
+ iwconfig "$ifname" power "$powersave"
;;
esac
- config_get ssid "$vif" ssid
- config_get txpwr "$vif" txpower
- if [ -n "$txpwr" ]; then
- iwconfig "$ifname" txpower "${txpwr%%.*}"
- fi
+ # All interfaces must have unique mac addresses
+ # which can either be explicitly set in the device
+ # section, or automatically generated
+ config_get macaddr "$device" macaddr
+ local mac_1="${macaddr%%:*}"
+ local mac_2="${macaddr#*:}"
- config_get frag "$vif" frag
- if [ -n "$frag" ]; then
- iwconfig "$ifname" frag "${frag%%.*}"
- fi
+ config_get vif_mac "$vif" macaddr
+ [ -n "$vif_mac" ] || {
+ if [ "$macidx" -gt 0 ]; then
+ offset="$(( 2 + $macidx * 4 ))"
+ else
+ offset="0"
+ fi
+ vif_mac="$( printf %02x $((0x$mac_1 + $offset)) ):$mac_2"
+ macidx="$(($macidx + 1))"
+ }
+ [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
+ config_set "$vif" macaddr "$vif_mac"
- config_get rts "$vif" rts
- if [ -n "$rts" ]; then
- iwconfig "$ifname" rts "${rts%%.*}"
+ # !! ap !!
+ #
+ # ALL ap functionality will be passed to hostapd
+ #
+ # !! station !!
+ #
+ # ALL station functionality will be passed to wpa_supplicant
+ #
+ if [ ! "$mode" = "ap" ]; then
+ # We attempt to set the channel for all interfaces, although
+ # mac80211 may not support it or the driver might not yet
+ # for ap mode this is handled by hostapd
+ [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
fi
- ifconfig "$ifname" up
- iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
-
- local net_cfg bridge
- net_cfg="$(find_net_config "$vif")"
- [ -z "$net_cfg" ] || {
- bridge="$(bridge_interface "$net_cfg")"
- config_set "$vif" bridge "$bridge"
- start_net "$ifname" "$net_cfg"
+ config_get vif_txpower "$vif" txpower
+ # use vif_txpower (from wifi-iface) to override txpower (from
+ # wifi-device) if the latter doesn't exist
+ txpower="${txpower:-$vif_txpower}"
+ [ -z "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
+ done
+
+ local start_hostapd=
+ rm -f /var/run/hostapd-$phy.conf
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ [ "$mode" = "ap" ] || continue
+ mac80211_hostapd_setup_bss "$phy" "$vif"
+ start_hostapd=1
+ done
+
+ [ -n "$start_hostapd" ] && {
+ hostapd -P /var/run/wifi-$phy.pid -B /var/run/hostapd-$phy.conf || {
+ echo "Failed to start hostapd for $phy"
+ return
}
- iwconfig "$ifname" essid "$ssid"
- set_wifi_up "$vif" "$ifname"
- case "$mode" in
- ap)
- if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
- hostapd_setup_vif "$vif" nl80211 || {
- echo "enable_mac80211($device): Failed to set up wpa for interface $ifname" >&2
- # make sure this wifi interface won't accidentally stay open without encryption
- ifconfig "$ifname" down
- continue
- }
- fi
- ;;
- sta)
- if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
- wpa_supplicant_setup_vif "$vif" wext || {
- echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
- # make sure this wifi interface won't accidentally stay open without encryption
- ifconfig "$ifname" down
- continue
+ sleep 2
+
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ config_get ifname "$vif" ifname
+ [ "$mode" = "ap" ] || continue
+ hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd-$phy/$ifname}"
+ mac80211_start_vif "$vif" "$ifname"
+ done
+ }
+
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ config_get ifname "$vif" ifname
+ [ ! "$mode" = "ap" ] || continue
+ ifconfig "$ifname" up
+
+ if [ ! "$mode" = "ap" ]; then
+ ifconfig "$ifname" up
+ case "$mode" in
+ adhoc)
+ config_get bssid "$vif" bssid
+ config_get ssid "$vif" ssid
+ config_get bintval "$vif" bintval
+ config_get basicrates "$vif" basicrates
+ config_get encryption "$vif" encryption
+ config_get key "$vif" key
+ config_get mcast_rate "$vif" mcast_rate
+ [ -n "$bintval" ] && BINTVAL="beacon-interval $bintval"
+ [ -n "$basicrates" ] && BRATES="basic-rates $basicrates"
+ [ "$encryption" == "wep" ] && [ -n "$key" ] && KEY="key d:0:$key"
+ local mcval=""
+ [ -n "$mcast_rate" ] && {
+ mcval="$(($mcast_rate / 1000))"
+ mcsub="$(( ($mcast_rate / 100) % 10 ))"
+ [ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
}
- fi
- ;;
- esac
- first=0
+ iw dev "$ifname" ibss join "$ssid" $freq ${fixed:+fixed-freq} $bssid ${mcval:+mcast-rate $mcval} $BINTVAL $BRATES $KEY
+ ;;
+ sta)
+ if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+ wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" || {
+ echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
+ # make sure this wifi interface won't accidentally stay open without encryption
+ ifconfig "$ifname" down
+ continue
+ }
+ fi
+ ;;
+ esac
+ mac80211_start_vif "$vif" "$ifname"
+ fi
done
+
}
+check_device() {
+ config_get phy "$1" phy
+ [ -z "$phy" ] && {
+ find_mac80211_phy "$1" >/dev/null || return 0
+ config_get phy "$1" phy
+ }
+ [ "$phy" = "$dev" ] && found=1
+}
+
detect_mac80211() {
- cd /sys/class/net
- for dev in $(ls -d wlan* 2>&-); do
- config_get type "$dev" type
- [ "$type" = mac80211 ] && return
+ devidx=0
+ config_load wireless
+ while :; do
+ config_get type "radio$devidx" type
+ [ -n "$type" ] || break
+ devidx=$(($devidx + 1))
+ done
+ for dev in $(ls /sys/class/ieee80211); do
+ found=0
+ config_foreach check_device wifi-device
+ [ "$found" -gt 0 ] && continue
+
+ mode_11n=""
+ mode_band="g"
+ channel="11"
+ ht_cap=0
+ for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
+ ht_cap="$(($ht_cap | $cap))"
+ done
+ ht_capab="";
+ [ "$ht_cap" -gt 0 ] && {
+ mode_11n="n"
+ append ht_capab " option htmode HT20" "$N"
+
+ list=" list ht_capab"
+ [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N"
+ [ "$(($ht_cap & 16))" -eq 16 ] && append ht_capab "$list GF" "$N"
+ [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N"
+ [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N"
+ [ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list TX-STBC" "$N"
+ [ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list RX-STBC1" "$N"
+ [ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list RX-STBC12" "$N"
+ [ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list RX-STBC123" "$N"
+ [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N"
+ }
+ iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
+
cat <<EOF
-config wifi-device $dev
+config wifi-device radio$devidx
option type mac80211
- option channel 5
-
+ option channel ${channel}
+ option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)
+ option hwmode 11${mode_11n}${mode_band}
+$ht_capab
# REMOVE THIS LINE TO ENABLE WIFI:
option disabled 1
config wifi-iface
- option device $dev
- option network lan
- option mode ap
- option ssid OpenWrt
+ option device radio$devidx
+ option network lan
+ option mode ap
+ option ssid OpenWrt
option encryption none
+
EOF
+ devidx=$(($devidx + 1))
done
}
+
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