broadcom-wl: add rts/frag threshold settings (patch from #4769)

SVN-Revision: 18720

package/broadcom-wl/files/lib/wifi/broadcom.sh

@@ -124,6 +124,8 @@ enable_broadcom() {
 	config_get maclist "$device" maclist
 	config_get macaddr "$device" macaddr
 	config_get txpower "$device" txpower
+	config_get frag "$device" frag
+	config_get rts "$device" rts
 	local vif_pre_up vif_post_up vif_do_up vif_txpower
 	local doth=0
 	local wmm=0
@@ -291,6 +293,8 @@ ${wet:+wet 1}
 wme ${wmm:-0}
 rxant ${rxantenna:-3}
 txant ${txantenna:-3}
+fragthresh ${frag:-2346}
+rtsthresh ${rts:-2347}
 monitor ${monitor:-0}
 passive ${passive:-0}