fix b/g mode selection for madwifi, update documentation

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

diff --git a/package/madwifi/files/lib/wifi/madwifi.sh b/package/madwifi/files/lib/wifi/madwifi.sh
index 2a8465b..5ccc52b 100755 (executable)
--- a/package/madwifi/files/lib/wifi/madwifi.sh
+++ b/package/madwifi/files/lib/wifi/madwifi.sh
@@ -73,6 +73,7 @@ enable_atheros() {
        config_get vifs "$device" vifs
        
        disable_atheros "$device"
+       local first=1
        for vif in $vifs; do
                nosbeacon=
                config_get ifname "$vif" ifname
@@ -89,8 +90,22 @@ enable_atheros() {
                }
                config_set "$vif" ifname "$ifname"
 
-               config_get "$device" mode
-               iwpriv "$ifname" mode "${mode:-11g}"
+               [ "$first" = 1 ] && {
+                       # only need to change freq band and channel on the first vif
+                       config_get "$device" mode
+                       pureg=0
+                       case "$mode" in
+                               *b) mode=11b;;
+                               *bg) mode=11g;;
+                               *g) mode=11g; pureg=1;;
+                               *a) mode=11a;;
+                               *) mode=11g;;
+                       esac
+                       iwconfig "$ifname" channel 0 
+                       iwpriv "$ifname" mode "$mode"
+                       iwpriv "$ifname" pureg "$pureg"
+                       iwconfig "$ifname" channel "$channel"
+               }
 
                config_get wds "$vif" wds
                case "$wds" in
@@ -120,7 +135,6 @@ enable_atheros() {
                                config_get ssid "$vif" ssid
                        ;;
                esac
-               iwconfig "$ifname" channel "$channel"
                ifconfig "$ifname" up
                
                local net_cfg bridge
@@ -130,6 +144,7 @@ enable_atheros() {
                        config_set "$vif" bridge "$bridge"
                        start_net "$ifname" "$net_cfg"
                }
+               iwconfig "$ifname" essid "$ssid"
                case "$mode" in
                        ap)
                                hostapd_setup_vif "$vif" madwifi || {
@@ -141,10 +156,10 @@ enable_atheros() {
                                }
                        ;;
                        wds|sta)
-                               iwconfig "$ifname" essid "$ssid"
                                # FIXME: implement wpa_supplicant calls here
                        ;;
                esac
+               first=0
        done
 }