openwrt/package/madwifi/files/lib/wifi/madwifi.sh

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#!/bin/sh
append DRIVERS "atheros"
scan_atheros() {
local device="$1"
local wds
local adhoc sta ap
config_get vifs "$device" vifs
for vif in $vifs; do
config_get ifname "$vif" ifname
config_set "$vif" ifname "${ifname:-ath}"
config_get mode "$vif" mode
case "$mode" in
adhoc|ahdemo|sta|ap|monitor)
append $mode "$vif"
;;
wds)
config_get ssid "$vif" ssid
[ -z "$ssid" ] && continue
config_set "$vif" wds 1
config_set "$vif" mode sta
mode="sta"
addr="$ssid"
${addr:+append $mode "$vif"}
;;
*) echo "$device($vif): Invalid mode, ignored."; continue;;
esac
done
case "${adhoc:+1}:${sta:+1}:${ap+1}" in
# valid mode combinations
1::) wds="";;
1::1);;
:1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
:1:);;
::1);;
::);;
*) echo "$device: Invalid mode combination in config"; return 1;;
esac
config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }${monitor:+$monitor}"
}
disable_atheros() (
local device="$1"
set_wifi_down "$device"
# kill all running hostapd and wpa_supplicant processes that
# are running on atheros vifs
for pid in `pidof hostapd wpa_supplicant`; do
grep ath /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 "$dev"
wlanconfig "$dev" destroy
}
done
return 0
)
enable_atheros() {
local device="$1"
config_get channel "$device" channel
config_get vifs "$device" vifs
[ auto = "$channel" ] && channel=0
local first=1
for vif in $vifs; do
local start_hostapd
nosbeacon=
config_get ifname "$vif" ifname
config_get enc "$vif" encryption
config_get eap_type "$vif" eap_type
config_get mode "$vif" mode
[ "$mode" = sta ] && config_get nosbeacon "$device" nosbeacon
config_get ifname "$vif" ifname
ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
[ $? -ne 0 ] && {
echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
continue
}
config_set "$vif" ifname "$ifname"
# only need to change freq band and channel on the first vif
config_get agmode "$device" agmode
[ -z "$agmode" ] && config_get agmode "$device" mode
pureg=0
case "$agmode" in
*b) agmode=11b;;
*bg) agmode=11g;;
*g) agmode=11g; pureg=1;;
*gdt) agmode=11gdt;;
*a) agmode=11a;;
*adt) agmode=11adt;;
*ast) agmode=11ast;;
*fh) agmode=fh;;
*) agmode=auto;;
esac
iwpriv "$ifname" mode "$agmode"
iwpriv "$ifname" pureg "$pureg"
[ "$first" = 1 ] && {
iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
}
config_get_bool hidden "$vif" hidden 0
iwpriv "$ifname" hide_ssid "$hidden"
config_get ff "$vif" ff
if [ -n "$ff" ]; then
iwpriv "$ifname" ff "$ff"
fi
config_get wds "$vif" wds
case "$wds" in
1|on|enabled) wds=1;;
*) wds=0;;
esac
iwpriv "$ifname" wds "$wds"
[ "$mode" = ap -a "$wds" = 1 ] && {
config_get_bool wdssep "$vif" wdssep 1
[ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
}
case "$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*|wpa*)
start_hostapd=1
config_get key "$vif" key
;;
esac
case "$mode" in
adhoc|ahdemo)
config_get addr "$vif" bssid
[ -z "$addr" ] || {
iwconfig "$ifname" ap "$addr"
}
;;
esac
config_get ssid "$vif" ssid
config_get_bool bgscan "$vif" bgscan
[ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
config_get_bool antdiv "$device" diversity
[ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
config_get antrx "$device" rxantenna
[ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
config_get anttx "$device" txantenna
[ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
config_get distance "$device" distance
[ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-
config_get_bool softled "$device" softled 1
[ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
config_get txpwr "$vif" txpower
[ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"
config_get rate "$vif" rate
[ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
config_get mcast_rate "$vif" mcast_rate
[ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
config_get frag "$vif" frag
[ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
config_get rts "$vif" rts
[ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
config_get_bool comp "$vif" compression
[ -n "$comp" ] && iwpriv "$ifname" compression "$comp"
config_get_bool minrate "$vif" minrate
[ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
config_get_bool maxrate "$vif" maxrate
[ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
config_get_bool burst "$vif" bursting
[ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
config_get_bool wmm "$vif" wmm
[ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
config_get_bool xr "$vif" xr
[ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
config_get_bool ar "$vif" ar
[ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
config_get_bool turbo "$vif" turbo
[ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"
config_get_bool doth "$vif" doth 0
[ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
config_get maclist "$vif" maclist
[ -n "$maclist" ] && {
# flush MAC list
iwpriv "$ifname" maccmd 3
for mac in $maclist; do
iwpriv "$ifname" addmac "$mac"
done
}
config_get macpolicy "$vif" macpolicy
case "$macpolicy" in
allow)
iwpriv "$ifname" maccmd 1
;;
deny)
iwpriv "$ifname" maccmd 2
;;
*)
# default deny policy if mac list exists
[ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
;;
esac
ifconfig "$ifname" up
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" "$net_cfg"
}
iwconfig "$ifname" essid "$ssid"
set_wifi_up "$vif" "$ifname"
case "$mode" in
ap)
config_get_bool isolate "$vif" isolate 0
iwpriv "$ifname" ap_bridge "$((isolate^1))"
if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
hostapd_setup_vif "$vif" madwifi || {
echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
# make sure this wifi interface won't accidentally stay open without encryption
ifconfig "$ifname" down
wlanconfig "$ifname" destroy
continue
}
fi
;;
wds|sta)
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
wpa_supplicant_setup_vif "$vif" madwifi || {
echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
ifconfig "$ifname" down
wlanconfig "$ifname" destroy
continue
}
fi
;;
esac
first=0
done
}
detect_atheros() {
cd /proc/sys/dev
[ -d ath ] || return
for dev in $(ls -d wifi* 2>&-); do
config_get type "$dev" type
[ "$type" = atheros ] && return
cat <<EOF
config wifi-device $dev
option type atheros
option channel auto
# 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 encryption none
EOF
done
}