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mac80211: reduce tx queue length of wireless interfaces - improves latency under...
[openwrt.git] / package / hostap-driver / files / lib / wifi / hostap.sh
diff --git a/package/hostap-driver/files/lib/wifi/hostap.sh b/package/hostap-driver/files/lib/wifi/hostap.sh
index 053c08b..820a2e7 100755 (executable)
--- a/package/hostap-driver/files/lib/wifi/hostap.sh
+++ b/package/hostap-driver/files/lib/wifi/hostap.sh
@@ -1,115 +1,267 @@
 #!/bin/sh
 append DRIVERS "prism2"
 
 #!/bin/sh
 append DRIVERS "prism2"
 
+find_prism2_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/net/hostap
+               for phy in $(ls -d wlan* 2>&-); do
+                       [ "$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/net/hostap/$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_prism2() {
        local device="$1"
 scan_prism2() {
        local device="$1"
-       
-       config_get mode "$device" mode
-       case "$mode" in
-               ad-hoc|managed|master)
-               ;;
-               *) echo "$device: Invalid mode, ignored."; continue;;
-       esac
-       
+       local mainvif
+       local wds
+
+       [ ${device%[0-9]} = "wlan" ] && config_set "$device" phy "$device" || find_prism2_phy "$device" || {
+               config_unset "$device" vifs
+               return 0
+       }
+       config_get phy "$device" phy
+
+       config_get vifs "$device" vifs
+       local _c=0
+       for vif in $vifs; do
+               config_get mode "$vif" mode
+               case "$mode" in
+                       adhoc|sta|ap|monitor)
+                               # Only one vif is allowed on AP, station, Ad-hoc or monitor mode
+                               [ -z "$mainvif" ] && {
+                                       mainvif="$vif"
+                                       config_set "$vif" ifname "$phy"
+                               }
+                       ;;
+                       wds)
+                               config_get ssid "$vif" ssid
+                               [ -z "$ssid" ] && continue
+                               config_set "$vif" ifname "${phy}wds${_c}"
+                               _c=$(($_c + 1))
+                               addr="$ssid"
+                               ${addr:+append wds "$vif"}
+                       ;;
+                       *) echo "$device($vif): Invalid mode, ignored."; continue;;
+               esac
+       done
+       config_set "$device" vifs "${mainvif:+$mainvif }${wds:+$wds}"
 }
 
 disable_prism2() (
        local device="$1"
 }
 
 disable_prism2() (
        local device="$1"
-       
+
+       find_prism2_phy "$device" || return 0
+       config_get phy "$device" phy
+
        set_wifi_down "$device"
 
        include /lib/network
        set_wifi_down "$device"
 
        include /lib/network
-       ifconfig "$device" down 
-       unbridge "$device"
+       while read line < /proc/net/hostap/${phy}/wds; do
+               set $line
+               [ -f "/var/run/wifi-${1}.pid" ] &&
+                       kill "$(cat "/var/run/wifi-${1}.pid")"
+               ifconfig "$1" down
+               unbridge "$1"
+               iwpriv "$phy" wds_del "$2"
+       done
+       unbridge "$phy"
        return 0
 )
 
 enable_prism2() {
        return 0
 )
 
 enable_prism2() {
-       local irqdevs
+       local device="$1"
+
+       find_prism2_phy "$device" || return 0
+       config_get phy "$device" phy
+
+       config_get rxantenna "$device" rxantenna
+       config_get txantenna "$device" txantenna
+       config_get_bool diversity "$device" diversity
+       [ -n "$diversity" ] && {
+               rxantenna="1"
+               txantenna="1"
+       }
+       [ -n "$rxantenna" ] && iwpriv "$phy" antsel_rx "$rxantenna"
+       [ -n "$txantenna" ] && iwpriv "$phy" antsel_tx "$txantenna"
 
 
-       config_get prifw "$device" prifw
-       config_get stafw "$device" stafw
-       config_get mode "$device" mode
-       config_get rate "$device" rate
        config_get channel "$device" channel
        config_get channel "$device" channel
+       [ -n "$channel" ] && iwconfig "$phy" channel "$channel" >/dev/null 2>/dev/null
+
        config_get txpower "$device" txpower
        config_get txpower "$device" txpower
-       config_get ssid "$device" ssid
-       config_get maclist "$device" maclist
-       config_get macpolicy "$device" macpolicy
-       [ -f "$prifw" ] || [ -f "$stafw" ] && [ -x /usr/sbin/prism2_srec ] && {
-               irqdevs=$(cat /proc/interrupts | grep wifi${device##wlan} | cut -b 37- | tr -d ",")
-               for dev in $irqdevs; do
-                       [ "$(config_get "$dev" type)" = "atheros" ] && wifi down "$dev"
-               done
-               [ -f "$prifw" ] && prism2_srec -g $device $prifw
-               [ -f "$stafw" ] && prism2_srec -r $device $stafw
-               for dev in $irqdevs; do
-                       [ "$(config_get "$dev" type)" = "atheros" ] && wifi up "$dev"
-               done
-       }
-       [ -n "$mode" ] && iwconfig $device mode $mode
-       [ -n "$rate" ] && iwconfig $device rate $rate
-       [ -n "$channel" ] && iwconfig $device channel $channel
-       [ -n "$ssid" ] && iwconfig $device essid $ssid
-       ifconfig "$device" up
-       [ -n "$txpower" ] && iwconfig $device txpower $txpower
-       [ -n "$maclist" ] && {
-               # flush MAC list
-               iwpriv $device maccmd 3
-               for mac in $maclist; do
-                       iwpriv $device addmac $mac
-               done
-       }
-       case "$macpolicy" in
-               open)
-                       iwpriv $device maccmd 0
-               ;;
-               allow)
-                       iwpriv $device maccmd 1
-               ;;
-               deny)
-                       iwpriv $device maccmd 2
-               ;;
-               *)
-                       # default deny policy if mac list exists
-                       [ -n "$maclist" ] && iwpriv $device maccmd 2
-               ;;
-       esac
-       # kick all stations if we have policy explicitly set
-       [ -n "$macpolicy" ] && iwpriv $device maccmd 4
-       local net_cfg bridge
-       net_cfg="$(find_net_config "$device")"
-       [ -z "$net_cfg" ] || {
-               bridge="$(bridge_interface "$net_cfg")"
-               config_set "$device" bridge "$bridge"
-               start_net "$device" "$net_cfg"
-       }
-       set_wifi_up "$device" "$device"
+       [ -n "$txpower" ] && iwconfig "$phy" txpower "${txpower%%.*}"
+
+       config_get vifs "$device" vifs
+       local first=1
+       for vif in $vifs; do
+               config_get ifname "$vif" ifname
+               config_get ssid "$vif" ssid
+               config_get mode "$vif" mode
+
+               [ "$mode" = "wds" ] || iwconfig "$phy" essid ${ssid:+-- }"${ssid:-any}"
+
+               case "$mode" in
+                       sta)
+                               iwconfig "$phy" mode managed
+                               config_get addr "$device" bssid
+                               [ -z "$addr" ] || { 
+                                       iwconfig "$phy" ap "$addr"
+                               }
+                       ;;
+                       ap) iwconfig "$phy" mode master;;
+                       wds) iwpriv "$phy" wds_add "$ssid";;
+                       adhoc) iwconfig "$phy" mode ad-hoc;;
+                       *) iwconfig "$phy" mode "$mode";;
+               esac
+
+               [ "$first" = 1 ] && {
+                       config_get rate "$vif" rate
+                       [ -n "$rate" ] && iwconfig "$phy" rate "${rate%%.*}"
+
+                       config_get_bool hidden "$vif" hidden 0
+                       iwpriv "$phy" enh_sec "$hidden"
+
+                       config_get frag "$vif" frag
+                       [ -n "$frag" ] && iwconfig "$phy" frag "${frag%%.*}"
+
+                       config_get rts "$vif" rts
+                       [ -n "$rts" ] && iwconfig "$phy" rts "${rts%%.*}"
+
+                       config_get maclist "$vif" maclist
+                       [ -n "$maclist" ] && {
+                               # flush MAC list
+                               iwpriv "$phy" maccmd 3
+                               for mac in $maclist; do
+                                       iwpriv "$phy" addmac "$mac"
+                               done
+                       }
+                       config_get macpolicy "$vif" macpolicy
+                       case "$macpolicy" in
+                               allow)
+                                       iwpriv "$phy" maccmd 2
+                               ;;
+                               deny)
+                                       iwpriv "$phy" maccmd 1
+                               ;;
+                               *)
+                                       # default deny policy if mac list exists
+                                       [ -n "$maclist" ] && iwpriv "$phy" maccmd 1
+                               ;;
+                       esac
+                       # kick all stations if we have policy explicitly set
+                       [ -n "$macpolicy" ] && iwpriv "$phy" maccmd 4
+               }
+
+               config_get enc "$vif" encryption
+               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
+
+               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" "$net_cfg"
+               }
+               set_wifi_up "$vif" "$ifname"
+
+               case "$mode" in
+                       ap)
+                               if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
+                                       hostapd_setup_vif "$vif" hostap || {
+                                               echo "enable_prism2($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
+                                               continue
+                                       }
+                               fi
+                       ;;
+                       wds|sta)
+                               if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+                                       wpa_supplicant_setup_vif "$vif" hostap || {
+                                               echo "enable_prism2($device): Failed to set up wpa_supplicant for interface $ifname" >&2
+                                               ifconfig "$ifname" down
+                                               continue
+                                       }
+                               fi
+                       ;;
+               esac
+               first=0
+       done
+
 }
 
 }
 
+check_prism2_device() {
+       [ ${1%[0-9]} = "wlan" ] && config_set "$1" phy "$1"
+       config_get phy "$1" phy
+       [ -z "$phy" ] && {
+               find_prism2_phy "$1" >/dev/null || return 0
+               config_get phy "$1" phy
+       }
+       [ "$phy" = "$dev" ] && found=1
+}
 
 detect_prism2() {
 
 detect_prism2() {
+       devidx=0
+       config_load wireless
+       while :; do
+               config_get type "radio$devidx" type
+               [ -n "$type" ] || break
+               devidx=$(($devidx + 1))
+       done
        cd /proc/net/hostap
        cd /proc/net/hostap
-       [ -d wlan0 ] || return
-       for dev in wlan*; do
-               config_get type "$dev" type
-               [ "$type" = prism2 ] && continue
+       [ -d wlan* ] || return
+       for dev in $(ls -d wlan* 2>&-); do
+               found=0
+               config_foreach check_prism2_device wifi-device
+               [ "$found" -gt 0 ] && continue
                cat <<EOF
                cat <<EOF
-
-config wifi-device $dev
+config wifi-device radio$devidx
        option type     prism2
        option type     prism2
-#      option rate     11M
-       option channel  5
-       option txpower  127
-       option mode     managed
-       option ssid     OpenWrt
-#      option macpolicy deny
-#      option maclist  '12:34:56:78:90:12
-#                       09:87:65:43:21:09'
+       option channel  11
+       option macaddr  $(cat /sys/class/net/${dev}/address)
 
        # REMOVE THIS LINE TO ENABLE WIFI:
        option disabled 1
 
        # REMOVE THIS LINE TO ENABLE WIFI:
        option disabled 1
-       
+
+config wifi-iface
+       option device   radio$devidx
+       option network  lan
+       option mode     ap
+       option ssid     OpenWrt
+       option encryption none
+
 EOF
 EOF
+       devidx=$(($devidx + 1))
        done
 }
        done
 }
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