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Diffstat (limited to 'package/madwifi/files/lib/wifi/madwifi.sh')
| -rwxr-xr-x | package/madwifi/files/lib/wifi/madwifi.sh | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/package/madwifi/files/lib/wifi/madwifi.sh b/package/madwifi/files/lib/wifi/madwifi.sh new file mode 100755 index 000000000..2e3732551 --- /dev/null +++ b/package/madwifi/files/lib/wifi/madwifi.sh @@ -0,0 +1,498 @@ +#!/bin/sh +append DRIVERS "atheros" + +find_atheros_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" ] && { + cd /proc/sys/dev + for phy in $(ls -d wifi* 2>&-); do + [ "$macaddr" = "$(cat /sys/class/net/${phy}/address)" ] || continue + config_set "$device" phy "$phy" + break + done + config_get phy "$device" phy + } + [ -n "$phy" -a -d "/proc/sys/dev/$phy" ] || { + echo "phy for wifi device $1 not found" + return 1 + } + [ -z "$macaddr" ] && { + config_set "$device" macaddr "$(cat /sys/class/net/${phy}/address)" + } + return 0 +} + +scan_atheros() { + local device="$1" + local wds + local adhoc ahdemo sta ap monitor disabled + + [ ${device%[0-9]} = "wifi" ] && config_set "$device" phy "$device" + + local ifidx=0 + + config_get vifs "$device" vifs + for vif in $vifs; do + config_get_bool disabled "$vif" disabled 0 + [ $disabled = 0 ] || continue + + local vifname + [ $ifidx -gt 0 ] && vifname="ath${device#radio}-$ifidx" || vifname="ath${device#radio}" + + config_get ifname "$vif" ifname + config_set "$vif" ifname "${ifname:-$vifname}" + + 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 + + ifidx=$(($ifidx + 1)) + 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 "${sta:+$sta }${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${wds:+$wds }${monitor:+$monitor}" +} + + +disable_atheros() ( + local device="$1" + + find_atheros_phy "$device" || return 0 + config_get phy "$device" phy + + set_wifi_down "$device" + + include /lib/network + cd /proc/sys/net + for dev in *; do + grep "$phy" "$dev/%parent" >/dev/null 2>/dev/null && { + [ -f "/var/run/wifi-${dev}.pid" ] && + kill "$(cat "/var/run/wifi-${dev}.pid")" + ifconfig "$dev" down + unbridge "$dev" + wlanconfig "$dev" destroy + } + done + return 0 +) + +enable_atheros() { + local device="$1" + + find_atheros_phy "$device" || return 0 + config_get phy "$device" phy + + config_get regdomain "$device" regdomain + [ -n "$regdomain" ] && echo "$regdomain" > /proc/sys/dev/$phy/regdomain + + config_get country "$device" country + case "$country" in + [A-Za-z]*) country=`grep -i "$country" /lib/wifi/madwifi_countrycodes.txt |cut -d " " -f 2`;; + [0-9]*) ;; + *) country="" ;; + esac + [ -n "$country" ] && echo "$country" > /proc/sys/dev/$phy/countrycode + + config_get_bool outdoor "$device" outdoor "0" + echo "$outdoor" > /proc/sys/dev/$phy/outdoor + + config_get channel "$device" channel + config_get vifs "$device" vifs + config_get txpower "$device" txpower + + [ auto = "$channel" ] && channel=0 + + config_get_bool antdiv "$device" diversity + config_get antrx "$device" rxantenna + config_get anttx "$device" txantenna + config_get_bool softled "$device" softled + config_get antenna "$device" antenna + + devname="$(cat /proc/sys/dev/$phy/dev_name)" + local antgpio= + local invert= + case "$devname" in + NanoStation2) antgpio=7; invert=1;; + NanoStation5) antgpio=1; invert=1;; + "NanoStation Loco2") antgpio=2;; + "NanoStation Loco5") + case "$antenna" in + horizontal) antdiv=0; anttx=1; antrx=1;; + vertical) antdiv=0; anttx=2; antrx=2;; + *) antdiv=1; anttx=0; antrx=0;; + esac + ;; + esac + if [ -n "$invert" ]; then + _set="clear" + _clear="set" + else + _set="set" + _clear="clear" + fi + if [ -n "$antgpio" ]; then + softled=0 + case "$devname" in + "NanoStation Loco2") + antdiv=0 + antrx=1 + anttx=1 + case "$antenna" in + horizontal) gpioval=0;; + *) gpioval=1;; + esac + ;; + *) + case "$antenna" in + external) antdiv=0; antrx=1; anttx=1; gpioval=1;; + horizontal) antdiv=0; antrx=1; anttx=1; gpioval=0;; + vertical) antdiv=0; antrx=2; anttx=2; gpioval=0;; + auto) antdiv=1; antrx=0; anttx=0; gpioval=0;; + esac + ;; + esac + + [ -x "$(which gpioctl 2>/dev/null)" ] || antenna= + gpioctl "dirout" "$antgpio" >/dev/null 2>&1 + case "$gpioval" in + 0) + gpioctl "$_clear" "$antgpio" >/dev/null 2>&1 + ;; + 1) + gpioctl "$_set" "$antgpio" >/dev/null 2>&1 + ;; + esac + fi + + [ -n "$antdiv" ] && sysctl -w dev."$phy".diversity="$antdiv" >&- + [ -n "$antrx" ] && sysctl -w dev."$phy".rxantenna="$antrx" >&- + [ -n "$anttx" ] && sysctl -w dev."$phy".txantenna="$anttx" >&- + [ -n "$softled" ] && sysctl -w dev."$phy".softled="$softled" >&- + + config_get distance "$device" distance + [ -n "$distance" ] && sysctl -w dev."$phy".distance="$distance" >&- + + for vif in $vifs; do + local start_hostapd= vif_txpower= nosbeacon= + config_get ifname "$vif" ifname + config_get enc "$vif" encryption + config_get eap_type "$vif" eap_type + config_get mode "$vif" mode + + case "$mode" in + sta) config_get_bool nosbeacon "$device" nosbeacon;; + adhoc) config_get_bool nosbeacon "$vif" sw_merge 1;; + esac + + [ "$nosbeacon" = 1 ] || nosbeacon="" + ifname=$(wlanconfig "$ifname" create nounit wlandev "$phy" wlanmode "$mode" ${nosbeacon:+nosbeacon}) + [ $? -ne 0 ] && { + echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2 + continue + } + config_set "$vif" ifname "$ifname" + + config_get hwmode "$device" hwmode + [ -z "$hwmode" ] && config_get hwmode "$device" mode + + pureg=0 + case "$hwmode" in + *b) hwmode=11b;; + *bg) hwmode=11g;; + *g) hwmode=11g; pureg=1;; + *gdt) hwmode=11gdt;; + *a) hwmode=11a;; + *adt) hwmode=11adt;; + *ast) hwmode=11ast;; + *fh) hwmode=fh;; + *) hwmode=auto;; + esac + iwpriv "$ifname" mode "$hwmode" + iwpriv "$ifname" pureg "$pureg" + + iwconfig "$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" >/dev/null 2>&1 + + [ "$mode" = ap -a "$wds" = 1 ] && { + config_get_bool wdssep "$vif" wdssep 1 + [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep" + } + + case "$enc" in + wep*) + case "$enc" in + *shared*) iwpriv "$ifname" authmode 2;; + *) iwpriv "$ifname" authmode 1;; + esac + 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 + sta|adhoc|ahdemo) + config_get addr "$vif" bssid + [ -z "$addr" ] || { + iwconfig "$ifname" ap "$addr" + } + ;; + esac + + config_get_bool uapsd "$vif" uapsd 0 + iwpriv "$ifname" uapsd "$uapsd" + + config_get_bool bgscan "$vif" bgscan + [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan" + + config_get rate "$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 0 + iwpriv "$ifname" compression "$comp" >/dev/null 2>&1 + + config_get minrate "$vif" minrate + [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate" + + config_get 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 beacon_power "$vif" beacon_power + [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power" + + config_get_bool doth "$vif" doth 0 + [ -n "$doth" ] && iwpriv "$ifname" doth "$doth" + + config_get_bool probereq "$vif" probereq + [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq" + + 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" "$net_cfg" + } + + config_get ssid "$vif" ssid + [ -n "$ssid" ] && { + iwconfig "$ifname" essid on + iwconfig "$ifname" essid ${ssid:+-- }"$ssid" + } + + set_wifi_up "$vif" "$ifname" + + # TXPower settings only work if device is up already + # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower + # adjustment it does not work with the current atheros hal/madwifi driver + + config_get vif_txpower "$vif" txpower + # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if + # the latter doesn't exist + txpower="${txpower:-$vif_txpower}" + [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}" + + 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" wext || { + echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2 + ifconfig "$ifname" down + wlanconfig "$ifname" destroy + continue + } + fi + ;; + adhoc) + if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then + wpa_supplicant_setup_vif "$vif" madwifi || { + echo "enable_atheros($device): Failed to set up wpa" + ifconfig "$ifname" down + wlanconfig "$ifname" destroy + continue + } + fi + esac + done +} + +check_atheros_device() { + [ ${1%[0-9]} = "wifi" ] && config_set "$1" phy "$1" + config_get phy "$1" phy + [ -z "$phy" ] && { + find_atheros_phy "$1" >/dev/null || return 0 + config_get phy "$1" phy + } + [ "$phy" = "$dev" ] && found=1 +} + + +detect_atheros() { + devidx=0 + config_load wireless + while :; do + config_get type "radio$devidx" type + [ -n "$type" ] || break + devidx=$(($devidx + 1)) + done + cd /proc/sys/dev + [ -d ath ] || return + for dev in $(ls -d wifi* 2>&-); do + found=0 + config_foreach check_atheros_device wifi-device + [ "$found" -gt 0 ] && continue + + devname="$(cat /proc/sys/dev/$dev/dev_name)" + case "$devname" in + "NanoStation Loco2") + EXTRA_DEV=" +# Ubiquiti NanoStation Loco2 features + option antenna vertical # (horizontal|vertical) +" + ;; + "NanoStation Loco5") + EXTRA_DEV=" +# Ubiquiti NanoStation Loco5 features + option antenna auto # (auto|horizontal|vertical) +" + ;; + NanoStation*) + EXTRA_DEV=" +# Ubiquiti NanoStation features + option antenna auto # (auto|horizontal|vertical|external) +" + ;; + esac + + cat <<EOF +config wifi-device radio$devidx + option type atheros + option channel auto + option macaddr $(cat /sys/class/net/${dev}/address) +$EXTRA_DEV + # REMOVE THIS LINE TO ENABLE WIFI: + option disabled 1 + +config wifi-iface + option device radio$devidx + option network lan + option mode ap + option ssid OpenWrt + option encryption none + +EOF + devidx=$(($devidx + 1)) + done +} |