hostapd: add wmm qos map set by default

This implements the mapping recommendations from RFC8325, with an
update from RFC8622. This ensures that DSCP marked packets are properly
sorted into WMM classes.
The map can be disabled by setting iw_qos_map_set to something invalid
like 'none'

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/network/services/hostapd/files/hostapd.sh

@@ -973,7 +973,6 @@ hostapd_set_bss_options() {
 		[ -n "$iw_network_auth_type" ] && \
 			append bss_conf "network_auth_type=$iw_network_auth_type" "$N"
 		[ -n "$iw_gas_address3" ] && append bss_conf "gas_address3=$iw_gas_address3" "$N"
-		[ -n "$iw_qos_map_set" ] && append bss_conf "qos_map_set=$iw_qos_map_set" "$N"
 
 		json_for_each_item append_iw_roaming_consortium iw_roaming_consortium
 		json_for_each_item append_iw_anqp_elem iw_anqp_elem
@@ -992,6 +991,12 @@ hostapd_set_bss_options() {
 			append bss_conf "anqp_3gpp_cell_net=$iw_anqp_3gpp_cell_net_conf" "$N"
 	fi
 
+	set_default iw_qos_map_set 0,0,2,16,1,1,255,255,18,22,24,38,40,40,44,46,48,56
+	case "$iw_qos_map_set" in
+		*,*);;
+		*) iw_qos_map_set="";;
+	esac
+	[ -n "$iw_qos_map_set" ] && append bss_conf "qos_map_set=$iw_qos_map_set" "$N"
 
 	local hs20 disable_dgaf osen anqp_domain_id hs20_deauth_req_timeout \
 		osu_ssid hs20_wan_metrics hs20_operating_class hs20_t_c_filename hs20_t_c_timestamp \