+++ /dev/null
-#!/bin/sh
-append DRIVERS "mac80211"
-
-mac80211_hostapd_setup_base() {
- local phy="$1"
- local ifname="$2"
-
- cfgfile="/var/run/hostapd-$phy.conf"
-
- config_get device "$vif" device
- config_get country "$device" country
- config_get hwmode "$device" hwmode
- config_get channel "$device" channel
- config_get beacon_int "$device" beacon_int
- config_get basic_rate_list "$device" basic_rate
- config_get_bool noscan "$device" noscan
-
- hostapd_set_log_options base_cfg "$device"
-
- [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
-
- [ "$channel" = auto ] && {
- channel=$(iw phy "$phy" info | \
- sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
- config_set "$device" channel "$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"
- }
- }
-
- local country_ie=0
- [ -n "$country" ] && country_ie=1
- config_get_bool country_ie "$device" country_ie "$country_ie"
- [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
-
- local br brval brstr
- [ -n "$basic_rate_list" ] && {
- for br in $basic_rate_list; do
- brval="$(($br / 100))"
- [ -n "$brstr" ] && brstr="$brstr "
- brstr="$brstr$brval"
- done
- }
-
- cat >> "$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=$channel}
-${beacon_int:+beacon_int=$beacon_int}
-${country:+country_code=$country}
-${noscan:+noscan=$noscan}
-${brstr:+basic_rates=$brstr}
-$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 "$vif" maxassoc
- config_get dtim_period "$vif" dtim_period
- config_get max_listen_int "$vif" max_listen_int
- config_get_bool hidden "$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
-${dtim_period:+dtim_period=$dtim_period}
-${max_listen_int:+max_listen_interval=$max_listen_int}
-${maxassoc:+max_num_sta=$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"
-}
-
-lookup_phy() {
- [ -n "$phy" ] && {
- [ -d /sys/class/ieee80211/$phy ] && return
- }
-
- local devpath
- config_get devpath "$device" path
- [ -n "$devpath" -a -d "/sys/devices/$devpath/ieee80211" ] && {
- phy="$(ls /sys/devices/$devpath/ieee80211 | grep -m 1 phy)"
- [ -n "$phy" ] && return
- }
-
- local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
- [ -n "$macaddr" ] && {
- for _phy in $(ls /sys/class/ieee80211 2>/dev/null); do
- [ "$macaddr" = "$(cat /sys/class/ieee80211/${_phy}/macaddress)" ] || continue
- phy="$_phy"
- return
- done
- }
- phy=
- return
-}
-
-find_mac80211_phy() {
- local device="$1"
-
- config_get phy "$device" phy
- lookup_phy
- [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
- echo "PHY for wifi device $1 not found"
- return 1
- }
- config_set "$device" phy "$phy"
-
- config_get macaddr "$device" macaddr
- [ -z "$macaddr" ] && {
- config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
- }
-
- return 0
-}
-
-scan_mac80211() {
- local device="$1"
- local adhoc sta ap monitor mesh disabled
-
- config_get vifs "$device" vifs
- for vif in $vifs; do
- config_get_bool disabled "$vif" disabled 0
- [ $disabled = 0 ] || continue
-
- config_get mode "$vif" mode
- case "$mode" in
- adhoc|sta|ap|monitor|mesh)
- append $mode "$vif"
- ;;
- *) echo "$device($vif): Invalid mode, ignored."; continue;;
- esac
- done
-
- config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${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`; do
- grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
- kill $pid
- done
-
- include /lib/network
- 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}'
-}
-
-mac80211_generate_mac() {
- local id="$1"
- local ref="$2"
- local mask="$3"
-
- [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
- local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
-
- local mask1=$1
- local mask6=$6
-
- local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
- [ "$((0x$mask1))" -gt 0 ] && {
- b1="0x$1"
- [ "$id" -gt 0 ] && \
- b1=$((($b1 | 0x2) ^ (($id - 1) << 2)))
- printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
- return
- }
-
- [ "$((0x$mask6))" -lt 255 ] && {
- printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
- return
- }
-
- off2=$(( (0x$6 + $id) / 0x100 ))
- printf "%s:%s:%s:%s:%02x:%02x" \
- $1 $2 $3 $4 \
- $(( (0x$5 + $off2) % 0x100 )) \
- $(( (0x$6 + $id) % 0x100 ))
-}
-
-enable_mac80211() {
- local device="$1"
- config_get channel "$device" channel
- config_get vifs "$device" vifs
- config_get txpower "$device" txpower
- config_get country "$device" country
- config_get distance "$device" distance
- config_get txantenna "$device" txantenna all
- config_get rxantenna "$device" rxantenna all
- config_get antenna_gain "$device" antenna_gain 0
- config_get frag "$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 get | grep -q "^country $country:" || {
- iw reg set "$country"
- sleep 1
- }
- }
-
- config_get chanbw "$device" chanbw
- [ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw
- [ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath5k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode
-
- [ "$channel" = "auto" -o "$channel" = "0" ] || {
- fixed=1
- }
-
- iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
- iw phy "$phy" set antenna_gain $antenna_gain
-
- [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
- [ -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 $vifs; do
- config_get ifname "$vif" ifname
- [ -n "$ifname" ] || {
- [ $i -gt 0 ] && ifname="wlan${phy#phy}-$i" || ifname="wlan${phy#phy}"
- }
- config_set "$vif" ifname "$ifname"
-
- config_get mode "$vif" mode
- config_get ssid "$vif" ssid
-
- # It is far easier to delete and create the desired interface
- case "$mode" in
- adhoc)
- iw phy "$phy" interface add "$ifname" type adhoc
- ;;
- ap)
- # Hostapd will handle recreating the interface and
- # it's accompanying monitor
- apidx="$(($apidx + 1))"
- [ "$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
- [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
- iw "$ifname" set power_save "$powersave"
- ;;
- esac
-
- # All interfaces must have unique mac addresses
- # which can either be explicitly set in the device
- # section, or automatically generated
- config_get macaddr "$device" macaddr
- config_get vif_mac "$vif" macaddr
- [ -n "$vif_mac" ] || {
- vif_mac="$(mac80211_generate_mac $macidx $macaddr $(cat /sys/class/ieee80211/${phy}/address_mask))"
- macidx="$(($macidx + 1))"
- }
- [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
- config_set "$vif" macaddr "$vif_mac"
-
- # !! ap !!
- #
- # ALL ap functionality will be passed to hostapd
- #
- # !! station !!
- #
- # ALL station functionality will be passed to wpa_supplicant
- #
- if [ ! "$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
- config_get htmode "$device" htmode
- case "$htmode" in
- HT20|HT40+|HT40-) ;;
- *) htmode= ;;
- esac
- [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel" $htmode
- fi
-
- i=$(($i + 1))
- done
-
- local start_hostapd=
- rm -f /var/run/hostapd-$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
- }
- 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" ] || ifconfig "$ifname" up
-
- config_get vif_txpower "$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 "${txpower%%.*}00"
-
- case "$mode" in
- adhoc)
- config_get bssid "$vif" bssid
- config_get ssid "$vif" ssid
- config_get beacon_int "$device" beacon_int
- config_get basic_rate_list "$device" basic_rate
- config_get encryption "$vif" encryption
- config_get key "$vif" key 1
- config_get mcast_rate "$vif" mcast_rate
- config_get htmode "$device" htmode
- case "$htmode" in
- HT20|HT40+|HT40-) ;;
- *) htmode= ;;
- esac
-
-
- local keyspec=""
- [ "$encryption" == "psk" -o "$encryption" == "psk2" ] && {
- if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
- wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" $freq $htmode || {
- echo "enable_mac80211($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
- }
- mac80211_start_vif "$vif" "$ifname"
- continue
- fi
- }
-
- [ "$encryption" == "wep" ] && {
- case "$key" in
- [1234])
- local idx
- for idx in 1 2 3 4; do
- local ikey
- config_get ikey "$vif" "key$idx"
-
- [ -n "$ikey" ] && {
- ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
- [ $idx -eq $key ] && ikey="d:$ikey"
- append keyspec "$ikey"
- }
- done
- ;;
- *) append keyspec "d:0:$(prepare_key_wep "$key")" ;;
- esac
- }
-
- local br brval brsub brstr
- [ -n "$basic_rate_list" ] && {
- for br in $basic_rate_list; do
- brval="$(($br / 1000))"
- brsub="$((($br / 100) % 10))"
- [ "$brsub" -gt 0 ] && brval="$brval.$brsub"
- [ -n "$brstr" ] && brstr="$brstr,"
- brstr="$brstr$brval"
- done
- }
-
- local mcval=""
- [ -n "$mcast_rate" ] && {
- mcval="$(($mcast_rate / 1000))"
- mcsub="$(( ($mcast_rate / 100) % 10 ))"
- [ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
- }
-
- iw dev "$ifname" ibss join "$ssid" $freq $htmode \
- ${fixed:+fixed-freq} $bssid \
- ${beacon_int:+beacon-interval $beacon_int} \
- ${brstr:+basic-rates $brstr} \
- ${mcval:+mcast-rate $mcval} \
- ${keyspec:+keys $keyspec}
- ;;
- mesh)
- mp_list="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
- mesh_max_retries mesh_ttl mesh_element_ttl mesh_auto_open_plinks mesh_hwmp_max_preq_retries
- mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
- mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
- mesh_hwmp_rann_interval mesh_gate_announcements mesh_fwding mesh_sync_offset_max_neighor
- mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
- mesh_hwmp_confirmation_interval mesh_power_mode mesh_awake_window"
- for mp in $mp_list
- do
- config_get mp_val "$vif" "$mp" ""
- [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$mp" "$mp_val"
- done
- ;;
- sta)
- if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
- wpa_supplicant_setup_vif "$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
- [ "$mode" = "ap" ] || mac80211_start_vif "$vif" "$ifname"
- done
-
-}
-
-
-check_mac80211_device() {
- config_get phy "$1" phy
- [ -z "$phy" ] && {
- find_mac80211_phy "$1" >/dev/null || return 0
- config_get phy "$1" phy
- }
- [ "$phy" = "$dev" ] && found=1
-}
-
-detect_mac80211() {
- devidx=0
- config_load wireless
- while :; do
- config_get type "radio$devidx" type
- [ -n "$type" ] || break
- devidx=$(($devidx + 1))
- done
- for dev in $(ls /sys/class/ieee80211); do
- found=0
- config_foreach check_mac80211_device wifi-device
- [ "$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"; }
-
- if [ -x /usr/bin/readlink ]; then
- path="$(readlink -f /sys/class/ieee80211/${dev}/device)"
- path="${path##/sys/devices/}"
- dev_id=" option path '$path'"
- else
- dev_id=" option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)"
- fi
-
- cat <<EOF
-config wifi-device radio$devidx
- option type mac80211
- option channel ${channel}
- option hwmode 11${mode_11n}${mode_band}
-$dev_id
-$ht_capab
- # REMOVE THIS LINE TO ENABLE WIFI:
- option disabled 1
-
-config wifi-iface
- option device radio$devidx
- option network lan
- option mode ap
- option ssid OpenWrt
- option encryption none
-
-EOF
- devidx=$(($devidx + 1))
- done
-}
-
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