remove unused $Id$
[openwrt.git] / package / mac80211 / files / lib / wifi / mac80211.sh
index 703131c..af8dd23 100644 (file)
 #!/bin/sh
 append DRIVERS "mac80211"
 
 #!/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_bool noscan "$device" noscan
+       [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
+       [ "$channel" = auto ] && channel=
+       [ -n "$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"
+               }
+       }
+       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}
+${country:+country_code=$country}
+${noscan:+noscan=$noscan}
+$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" "$N"
+
+       config_get macaddr "$vif" macaddr
+       config_get_bool hidden "$vif" hidden 0
+       cat >> /var/run/hostapd-$phy.conf <<EOF
+$hostapd_cfg
+wmm_enabled=1
+bssid=$macaddr
+ignore_broadcast_ssid=$hidden
+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"
+}
+
 find_mac80211_phy() {
 find_mac80211_phy() {
-       config_get device "$1"
+       local device="$1"
 
        local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
        config_get phy "$device" phy
        [ -z "$phy" -a -n "$macaddr" ] && {
 
        local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
        config_get phy "$device" phy
        [ -z "$phy" -a -n "$macaddr" ] && {
-               for phy in $(ls /sys/class/ieee80211); do
+               for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
                        [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
                        config_set "$device" phy "$phy"
                        break
                        [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
                        config_set "$device" phy "$phy"
                        break
@@ -52,13 +175,18 @@ disable_mac80211() (
        set_wifi_down "$device"
        # kill all running hostapd and wpa_supplicant processes that
        # are running on atheros/mac80211 vifs
        set_wifi_down "$device"
        # kill all running hostapd and wpa_supplicant processes that
        # are running on atheros/mac80211 vifs
-       for pid in `pidof hostapd wpa_supplicant`; do
-               grep wlan /proc/$pid/cmdline >/dev/null && \
+       for pid in `pidof hostapd`; do
+               grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
                        kill $pid
        done
 
        include /lib/network
                        kill $pid
        done
 
        include /lib/network
-       for wdev in $(ls /sys/class/ieee80211/${phy}/device/net); do
+       for wdev in $(ls /sys/class/ieee80211/${phy}/device/net 2>/dev/null); 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
                ifconfig "$wdev" down 2>/dev/null
                unbridge "$dev"
                iw dev "$wdev" del
@@ -66,15 +194,35 @@ disable_mac80211() (
 
        return 0
 )
 
        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}'
+}
 enable_mac80211() {
        local device="$1"
        config_get channel "$device" channel
        config_get vifs "$device" vifs
        config_get txpower "$device" txpower
 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
        find_mac80211_phy "$device" || return 0
        config_get phy "$device" phy
        local i=0
        find_mac80211_phy "$device" || return 0
        config_get phy "$device" phy
        local i=0
+       local macidx=0
+       local apidx=0
+       fixed=""
+
+       [ -n "$country" ] && iw reg set "$country"
+       [ "$channel" = "auto" -o "$channel" = "0" ] || {
+               fixed=1
+       }
+
+       [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
+
+       export channel fixed
+       # convert channel to frequency
+       local freq="$(get_freq "$phy" "${fixed:+$channel}")"
 
        wifi_fixup_hwmode "$device" "g"
        for vif in $vifs; do
 
        wifi_fixup_hwmode "$device" "g"
        for vif in $vifs; do
@@ -86,9 +234,8 @@ enable_mac80211() {
                [ -n "$ifname" ] || {
                        ifname="wlan$i"
                }
                [ -n "$ifname" ] || {
                        ifname="wlan$i"
                }
-               config_set ifname "$vif" ifname
+               config_set "$vif" ifname "$ifname"
 
 
-               config_get enc "$vif" encryption
                config_get mode "$vif" mode
                config_get ssid "$vif" ssid
 
                config_get mode "$vif" mode
                config_get ssid "$vif" ssid
 
@@ -100,7 +247,9 @@ enable_mac80211() {
                        ap)
                                # Hostapd will handle recreating the interface and
                                # it's accompanying monitor
                        ap)
                                # Hostapd will handle recreating the interface and
                                # it's accompanying monitor
-                               iw phy "$phy" interface add "$ifname" type managed
+                               apidx="$(($apidx + 1))"
+                               i=$(($i + 1))
+                               [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
                        ;;
                        mesh)
                                config_get mesh_id "$vif" mesh_id
                        ;;
                        mesh)
                                config_get mesh_id "$vif" mesh_id
@@ -110,12 +259,18 @@ enable_mac80211() {
                                iw phy "$phy" interface add "$ifname" type monitor
                        ;;
                        sta)
                                iw phy "$phy" interface add "$ifname" type monitor
                        ;;
                        sta)
-                               iw phy "$phy" interface add "$ifname" type managed
+                               local wdsflag
+                               config_get_bool wds "$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
+                               [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
+                               iwconfig "$ifname" power "$powersave"
                        ;;
                esac
 
                # All interfaces must have unique mac addresses
                        ;;
                esac
 
                # All interfaces must have unique mac addresses
-               # which can either be explicitly set in the device 
+               # which can either be explicitly set in the device
                # section, or automatically generated
                config_get macaddr "$device" macaddr
                local mac_1="${macaddr%%:*}"
                # section, or automatically generated
                config_get macaddr "$device" macaddr
                local mac_1="${macaddr%%:*}"
@@ -123,55 +278,30 @@ enable_mac80211() {
 
                config_get vif_mac "$vif" macaddr
                [ -n "$vif_mac" ] || {
 
                config_get vif_mac "$vif" macaddr
                [ -n "$vif_mac" ] || {
-                       if [ "$i" -gt 0 ]; then 
-                               offset="$(( 2 + $i * 4 ))"
+                       if [ "$macidx" -gt 0 ]; then
+                               offset="$(( 2 + $macidx * 4 ))"
                        else
                                offset="0"
                        fi
                        else
                                offset="0"
                        fi
-                       vif_mac="$( printf %02x $(($mac_1 + $offset)) ):$mac_2"
+                       vif_mac="$( printf %02x $((0x$mac_1 + $offset)) ):$mac_2"
+                       macidx="$(($macidx + 1))"
                }
                }
-               ifconfig "$ifname" hw ether "$vif_mac"
-
-               # We attempt to set teh channel for all interfaces, although
-               # mac80211 may not support it or the driver might not yet
-               iw dev "$ifname" set channel "$channel" 
-
-               local key keystring
+               [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
+               config_set "$vif" macaddr "$vif_mac"
 
 
-               # Valid values are:
-               # wpa / wep / none
-               #
                # !! ap !!
                #
                # ALL ap functionality will be passed to hostapd
                #
                # !! ap !!
                #
                # ALL ap functionality will be passed to hostapd
                #
-               # !! mesh / adhoc / station !!
-               # none -> NO encryption
+               # !! station !!
                #
                #
-               # wep + keymgmt = '' -> we use iw to connect to the
-               # network.  
+               # ALL station functionality will be passed to wpa_supplicant
                #
                #
-               # wep + keymgmt = 'NONE' -> wpa_supplicant will be
-               # configured to handle the wep connection
                if [ ! "$mode" = "ap" ]; then
                if [ ! "$mode" = "ap" ]; then
-                       case "$enc" in
-                               wep)
-                                       config_get keymgmt "$vif" keymgmt
-                                       if [ -e "$keymgmt" ]; then
-                                               for idx in 1 2 3 4; do
-                                                       local zidx
-                                                       zidx = idx - 1
-                                                       config_get key "$vif" "key${idx}"
-                                                       if [ -n "$key" ]; then
-                                                               append keystring "${zidx}:${key} " 
-                                                       fi
-                                               done
-                                       fi
-                               ;;
-                               wpa)
-                                       config_get key "$vif" key
-                               ;;
-                       esac
+                       # We attempt to set the channel for all interfaces, although
+                       # mac80211 may not support it or the driver might not yet
+                       # for ap mode this is handled by hostapd
+                       [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
                fi
 
                # txpower is not yet implemented in iw
                fi
 
                # txpower is not yet implemented in iw
@@ -188,72 +318,70 @@ enable_mac80211() {
 
                config_get rts "$vif" rts
                if [ -n "$rts" ]; then
 
                config_get rts "$vif" rts
                if [ -n "$rts" ]; then
-                       iw phy "$phy" set rts "${frag%%.*}"
+                       iw phy "$phy" set rts "${rts%%.*}"
                fi
                fi
+       done
 
 
-               ifconfig "$ifname" up
+       local start_hostapd=
+       rm -f /var/run/hostapd-$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
 
 
-               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" "$net_cfg"
+       [ -n "$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
 
 
-               set_wifi_up "$vif" "$ifname"
-               case "$mode" in
-                       ap)
-                               if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
-                                       hostapd_setup_vif "$vif" nl80211 || {
-                                               echo "enable_mac80211($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
-                                               continue
-                                       }
-                               fi
-                       ;;
-                       sta|mesh|adhoc)
-                               # Fixup... sometimes you have to scan to get beaconing going
-                               iw dev "$ifname" scan &> /dev/null
-                               case "$enc" in                                                                                           
-                                       wep)
-                                               if [ -e "$keymgmt" ]; then
-                                                       [ -n "$keystring" ] &&
-                                                               iw dev "$ifname" connect "$ssid" key "$keystring"
-                                               else
-                                                       if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
-                                                               wpa_supplicant_setup_vif "$vif" wext || {
-                                                                       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
-                                               fi
-                                       ;;
-                                       wpa)
-                                               if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
-                                                       wpa_supplicant_setup_vif "$vif" wext || {
-                                                               echo "enable_mac80211($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
+               for vif in $vifs; do
+                       config_get mode "$vif" mode
+                       config_get ifname "$vif" ifname
+                       [ "$mode" = "ap" ] || continue
+                       mac80211_start_vif "$vif" "$ifname"
+               done
+       }
 
 
-                       ;;
-               esac
+       for vif in $vifs; do
+               config_get mode "$vif" mode
+               config_get ifname "$vif" ifname
+               [ ! "$mode" = "ap" ] || continue
+               ifconfig "$ifname" up
+
+               if [ ! "$mode" = "ap" ]; then
+                       ifconfig "$ifname" up
+                       case "$mode" in
+                               adhoc)
+                                       config_get bssid "$vif" bssid
+                                       config_get ssid "$vif" ssid
+                                       iw dev "$ifname" ibss join "$ssid" $freq ${fixed:+fixed-freq} $bssid
+                               ;;
+                               sta)
+                                       if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+                                               wpa_supplicant_setup_vif "$vif" nl80211 || {
+                                                       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
+                       mac80211_start_vif "$vif" "$ifname"
+               fi
        done
        done
+
 }
 
 
 check_device() {
        config_get phy "$1" phy
        [ -z "$phy" ] && {
 }
 
 
 check_device() {
        config_get phy "$1" phy
        [ -z "$phy" ] && {
-               find_mac80211_phy "$1" || return 0
+               find_mac80211_phy "$1" >/dev/null || return 0
                config_get phy "$1" phy
        }
        [ "$phy" = "$dev" ] && found=1
                config_get phy "$1" phy
        }
        [ "$phy" = "$dev" ] && found=1
@@ -262,33 +390,59 @@ check_device() {
 detect_mac80211() {
        devidx=0
        config_load wireless
 detect_mac80211() {
        devidx=0
        config_load wireless
+       while :; do
+               config_get type "radio$devidx" type
+               [ -n "$type" ] || break
+               devidx=$(($devidx + 1))
+       done
        for dev in $(ls /sys/class/ieee80211); do
                found=0
                config_foreach check_device wifi-device
                [ "$found" -gt 0 ] && continue
 
        for dev in $(ls /sys/class/ieee80211); do
                found=0
                config_foreach check_device wifi-device
                [ "$found" -gt 0 ] && continue
 
-               while :; do 
-                       config_get type "wifi$devidx" type
-                       [ -n "$type" ] || break
-                       devidx=$(($devidx + 1))
+               mode_11n=""
+               mode_band="g"
+               channel="5"
+               ht_cap=0
+               for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
+                       ht_cap="$(($ht_cap | $cap))"
                done
                done
+               ht_capab="";
+               [ "$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" "$N"
+                       [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$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"; }
 
                cat <<EOF
 
                cat <<EOF
-config wifi-device  wifi$devidx
+config wifi-device  radio$devidx
        option type     mac80211
        option type     mac80211
-       option channel  5
+       option channel  ${channel}
        option macaddr  $(cat /sys/class/ieee80211/${dev}/macaddress)
        option macaddr  $(cat /sys/class/ieee80211/${dev}/macaddress)
+       option hwmode   11${mode_11n}${mode_band}
+$ht_capab
        # REMOVE THIS LINE TO ENABLE WIFI:
        option disabled 1
 
 config wifi-iface
        # REMOVE THIS LINE TO ENABLE WIFI:
        option disabled 1
 
 config wifi-iface
-       option device   wifi$devidx
+       option device   radio$devidx
        option network  lan
        option mode     ap
        option ssid     OpenWrt
        option encryption none
 
 EOF
        option network  lan
        option mode     ap
        option ssid     OpenWrt
        option encryption none
 
 EOF
+       devidx=$(($devidx + 1))
        done
 }
 
        done
 }
 
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