mac80211: rework mac address allocation

[openwrt/svn-archive/archive.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 d834afea3b1900f22ae32cf69391cbcc57fd3329..bb972114281c995e13608dfc2111e1b17e5550eb 100644 (file)
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -6,8 +6,6 @@ mac80211_hostapd_setup_base() {
        local ifname="$2"
 
        cfgfile="/var/run/hostapd-$phy.conf"
-       macfile="/var/run/hostapd-$phy.maclist"
-       [ -e "$macfile" ] && rm -f "$macfile"
 
        config_get device "$vif" device
        config_get country "$device" country
@@ -16,7 +14,6 @@ mac80211_hostapd_setup_base() {
        config_get beacon_int "$device" beacon_int
        config_get basic_rate_list "$device" basic_rate
        config_get_bool noscan "$device" noscan
-       config_get_bool short_preamble "$device" short_preamble "0"
 
        hostapd_set_log_options base_cfg "$device"
 
@@ -51,24 +48,6 @@ mac80211_hostapd_setup_base() {
        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)
-                       append base_cfg "macaddr_acl=1" "$N"
-                       append base_cfg "accept_mac_file=$macfile" "$N"
-                       ;;
-               deny)
-                       append base_cfg "macaddr_acl=0" "$N"
-                       append base_cfg "deny_mac_file=$macfile" "$N"
-                       ;;
-       esac
-       config_get maclist "$vif" maclist
-       [ -n "$maclist" ] && {
-               for mac in $maclist; do
-                       echo "$mac" >> $macfile
-               done
-       }
-
        local br brval brstr
        [ -n "$basic_rate_list" ] && {
                for br in $basic_rate_list; do
@@ -78,8 +57,6 @@ mac80211_hostapd_setup_base() {
                done
        }
 
-       append base_cfg "preamble=$short_preamble" "$N"
-       
        cat >> "$cfgfile" <<EOF
 ctrl_interface=/var/run/hostapd-$phy
 driver=nl80211
@@ -186,7 +163,7 @@ mac80211_start_vif() {
 
 lookup_phy() {
        [ -n "$phy" ] && {
-               [ -d /sys/class/ieee80211/phy ] && return
+               [ -d /sys/class/ieee80211/$phy ] && return
        }
 
        local devpath
@@ -293,17 +270,33 @@ get_freq() {
 }
 
 mac80211_generate_mac() {
-       local off="$1"
-       local mac="$2"
-       local oIFS="$IFS"; IFS=":"; set -- $mac; IFS="$oIFS"
+       local id="$1"
+       local ref="$2"
+       local mask="$3"
 
-       local b2mask=0x00
-       [ $off -gt 0 ] && b2mask=0x02
+       [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
+       local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
+
+       local mask1=$1
+       local mask6=$6
+
+       local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
+       [ "$((0x$mask1))" -gt 0 ] && {
+               b1=$(((0x$1 | 0x2) ^ ($id << 2)))
+               printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
+               return
+       }
+
+       [ "$((0x$mask6))" -lt 255 ] && {
+               printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
+               return
+       }
 
-       printf "%02x:%s:%s:%s:%02x:%02x" \
-               $(( 0x$1 | $b2mask )) $2 $3 $4 \
-               $(( (0x$5 + ($off / 0x100)) % 0x100 )) \
-               $(( (0x$6 + $off) % 0x100 ))
+       off2=$(( (0x$6 + $id) / 0x100 ))
+       printf "%s:%s:%s:%s:%02x:%02x" \
+               $1 $2 $3 $4 \
+               $(( (0x$5 + $off2) % 0x100 )) \
+               $(( (0x$6 + $id) % 0x100 ))
 }
 
 enable_mac80211() {
@@ -398,7 +391,7 @@ enable_mac80211() {
                config_get macaddr "$device" macaddr
                config_get vif_mac "$vif" macaddr
                [ -n "$vif_mac" ] || {
-                       vif_mac="$(mac80211_generate_mac $macidx $macaddr)"
+                       vif_mac="$(mac80211_generate_mac $macidx $macaddr $(cat /sys/class/ieee80211/${phy}/address_mask))"
                        macidx="$(($macidx + 1))"
                }
                [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
@@ -482,7 +475,7 @@ enable_mac80211() {
                                                        # make sure this wifi interface won't accidentally stay open without encryption
                                                        ifconfig "$ifname" down
                                                }
-                                               # wpa_supplicant will bring the iface up
+                                               mac80211_start_vif "$vif" "$ifname"
                                                continue
                                        fi
                                }