mac80211: apply txpower after bringing up the interface, should fix #10113

[openwrt.git] / package / mac80211 / files / lib / wifi / mac80211.sh

diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index d395db1..11e0b04 100644 (file)
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -16,8 +16,17 @@ mac80211_hostapd_setup_base() {
        config_get beacon_int "$device" beacon_int
        config_get basic_rate_list "$device" basic_rate
        config_get_bool noscan "$device" noscan
+
+       hostapd_set_log_options base_cfg "$device"
+
        [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
-       [ "$channel" = auto ] && channel=
+
+       [ "$channel" = auto ] && {
+               channel=$(iw phy "$phy" info | \
+                       sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
+               config_set "$device" channel "$channel"
+       }
+
        [ -n "$hwmode" ] && {
                config_get hwmode_11n "$device" hwmode_11n
                [ -n "$hwmode_11n" ] && {
@@ -36,6 +45,11 @@ mac80211_hostapd_setup_base() {
                }
        }
 
+       local country_ie=0
+       [ -n "$country" ] && country_ie=1
+       config_get_bool country_ie "$device" country_ie "$country_ie"
+       [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
+
        config_get macfilter "$vif" macfilter
        case "$macfilter" in
                allow)
@@ -192,10 +206,13 @@ find_mac80211_phy() {
 
 scan_mac80211() {
        local device="$1"
-       local adhoc sta ap monitor mesh
+       local adhoc sta ap monitor mesh disabled
 
        config_get vifs "$device" vifs
        for vif in $vifs; do
+               config_get_bool disabled "$vif" disabled 0
+               [ $disabled = 0 ] || continue
+
                config_get mode "$vif" mode
                case "$mode" in
                        adhoc|sta|ap|monitor|mesh)
@@ -245,11 +262,27 @@ disable_mac80211() (
 
        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}'
 }
+
+mac80211_generate_mac() {
+       local off="$1"
+       local mac="$2"
+       local oIFS="$IFS"; IFS=":"; set -- $mac; IFS="$oIFS"
+
+       local b2mask=0x00
+       [ $off -gt 0 ] && b2mask=0x02
+
+       printf "%02x:%s:%s:%s:%02x:%02x" \
+               $(( 0x$1 | $b2mask )) $2 $3 $4 \
+               $(( (0x$5 + ($off / 0x100)) % 0x100 )) \
+               $(( (0x$6 + $off) % 0x100 ))
+}
+
 enable_mac80211() {
        local device="$1"
        config_get channel "$device" channel
@@ -269,6 +302,16 @@ enable_mac80211() {
        fixed=""
        local hostapd_ctrl=""
 
+       [ -n "$country" ] && {
+               iw reg get | grep -q "^country $country:" || {
+                       iw reg set "$country"
+                       sleep 1
+               }
+       }
+
+       config_get ath9k_chanbw "$device" ath9k_chanbw
+       [ -n "$ath9k_chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ] && echo "$ath9k_chanbw" > /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw
+
        [ -n "$country" ] && iw reg set "$country"
        [ "$channel" = "auto" -o "$channel" = "0" ] || {
                fixed=1
@@ -286,13 +329,9 @@ enable_mac80211() {
 
        wifi_fixup_hwmode "$device" "g"
        for vif in $vifs; do
-               while [ -d "/sys/class/net/wlan$i" ]; do
-                       i=$(($i + 1))
-               done
-
                config_get ifname "$vif" ifname
                [ -n "$ifname" ] || {
-                       ifname="wlan$i"
+                       [ $i -gt 0 ] && ifname="wlan${phy#phy}-$i" || ifname="wlan${phy#phy}"
                }
                config_set "$vif" ifname "$ifname"
 
@@ -308,7 +347,6 @@ enable_mac80211() {
                                # Hostapd will handle recreating the interface and
                                # it's accompanying monitor
                                apidx="$(($apidx + 1))"
-                               i=$(($i + 1))
                                [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
                        ;;
                        mesh)
@@ -325,7 +363,7 @@ enable_mac80211() {
                                iw phy "$phy" interface add "$ifname" type managed $wdsflag
                                config_get_bool powersave "$vif" powersave 0
                                [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
-                               iwconfig "$ifname" power "$powersave"
+                               iw "$ifname" set power_save off
                        ;;
                esac
 
@@ -333,17 +371,9 @@ enable_mac80211() {
                # which can either be explicitly set in the device
                # section, or automatically generated
                config_get macaddr "$device" macaddr
-               local mac_1="${macaddr%%:*}"
-               local mac_2="${macaddr#*:}"
-
                config_get vif_mac "$vif" macaddr
                [ -n "$vif_mac" ] || {
-                       if [ "$macidx" -gt 0 ]; then
-                               offset="$(( 2 + $macidx * 4 ))"
-                       else
-                               offset="0"
-                       fi
-                       vif_mac="$( printf %02x $((0x$mac_1 + $offset)) ):$mac_2"
+                       vif_mac="$(mac80211_generate_mac $macidx $macaddr)"
                        macidx="$(($macidx + 1))"
                }
                [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
@@ -364,11 +394,7 @@ enable_mac80211() {
                        [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
                fi
 
-               config_get vif_txpower "$vif" txpower
-               # use vif_txpower (from wifi-iface) to override txpower (from
-               # wifi-device) if the latter doesn't exist
-               txpower="${txpower:-$vif_txpower}"
-               [ -z "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
+               i=$(($i + 1))
        done
 
        local start_hostapd=
@@ -402,6 +428,12 @@ enable_mac80211() {
                [ ! "$mode" = "ap" ] || continue
                ifconfig "$ifname" up
 
+               config_get vif_txpower "$vif" txpower
+               # use vif_txpower (from wifi-iface) to override txpower (from
+               # wifi-device) if the latter doesn't exist
+               txpower="${txpower:-$vif_txpower}"
+               [ -z "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
+
                if [ ! "$mode" = "ap" ]; then
                        ifconfig "$ifname" up
                        case "$mode" in
@@ -452,7 +484,13 @@ enable_mac80211() {
                                                [ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
                                        }
 
-                                       iw dev "$ifname" ibss join "$ssid" $freq \
+                                       config_get htmode "$device" htmode
+                                       case "$htmode" in
+                                               HT20|HT40+|HT40-) ;;
+                                               *) htmode= ;;
+                                       esac
+
+                                       iw dev "$ifname" ibss join "$ssid" $freq $htmode \
                                                ${fixed:+fixed-freq} $bssid \
                                                ${beacon_int:+beacon-interval $beacon_int} \
                                                ${brstr:+basic-rates $brstr} \