#!/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|sta|ap) append $mode "$vif" ;; wds) config_get addr "$vif" bssid config_get ssid "$vif" ssid [ -z "$addr" -a -n "$ssid" ] && { 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}:${ap+1}" in # valid mode combinations 1::) wds="";; :1:1)config_set "$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 }${sta:+$sta }${wds:+$wds }" } disable_atheros() ( local device="$1" # kill all running hostapd and wpa_supplicant processes that # are running on atheros vifs for pid in `pidof hostapd wpa_supplicant`; do grep ath /proc/$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() { config_get channel "$device" channel config_get vifs "$device" vifs disable_atheros "$device" local first=1 for vif in $vifs; do nosbeacon= config_get ifname "$vif" ifname config_get enc "$vif" encryption config_get mode "$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 "$ifname" [ "$first" = 1 ] && { # only need to change freq band and channel on the first vif config_get agmode "$device" mode pureg=0 case "$agmode" in *b) agmode=11b;; *bg) agmode=11g;; *g) agmode=11g; pureg=1;; *a) agmode=11a;; *) agmode=11g;; esac iwconfig "$ifname" channel 0 iwpriv "$ifname" mode "$agmode" iwpriv "$ifname" pureg "$pureg" iwconfig "$ifname" channel "$channel" } config_get wds "$vif" wds case "$wds" in 1|on|enabled) wds=1;; *) wds=0;; esac iwpriv "$ifname" wds "$wds" wpa= case "$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 iwconfig "$ifname" enc "${key:-1}" ;; esac case "$mode" in wds) config_get addr "$vif" bssid iwpriv "$ifname" wds_add "$addr" ;; *) config_get ssid "$vif" ssid ;; esac ifconfig "$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 "$ssid" case "$mode" in ap) hostapd_setup_vif "$vif" madwifi || { echo "enable_atheros($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 wlanconfig "$ifname" destroy continue } ;; wds|sta) # FIXME: implement wpa_supplicant calls here ;; esac first=0 done } detect_atheros() { cd /proc/sys/dev [ -d ath ] || return for dev in wifi*; do config_get type "$dev" type [ "$type" = atheros ] && return cat <<EOF config wifi-device $dev option type atheros option channel 5 config wifi-iface option device $dev # option network lan option mode ap option ssid OpenWrt option hidden 0 option encryption none EOF done }