hostapd: add multicast_to_unicast and per_sta_vif

This allows configuration of multicast_to_unicast and per_sta_vif options.
- multicast_to_unicast requests multicast-to-unicast conversion.
- per_sta_vif assigns each station its own AP_VLAN interface.

Signed-off-by: Etan Kissling <etan_kissling@apple.com>

package/network/services/hostapd/Makefile

@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=hostapd
-PKG_RELEASE:=23
+PKG_RELEASE:=24
 
 PKG_SOURCE_URL:=http://w1.fi/hostap.git
 PKG_SOURCE_PROTO:=git

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

@@ -331,6 +331,8 @@ hostapd_common_add_bss_config() {
 	config_add_array airtime_sta_weight
 	config_add_int airtime_bss_weight airtime_bss_limit
 
+	config_add_boolean multicast_to_unicast per_sta_vif
+
 	config_add_array hostapd_bss_options
 }
 
@@ -480,7 +482,8 @@ hostapd_set_bss_options() {
 		acct_server acct_secret acct_port acct_interval \
 		bss_load_update_period chan_util_avg_period sae_require_mfp \
 		multi_ap multi_ap_backhaul_ssid multi_ap_backhaul_key skip_inactivity_poll \
-		airtime_bss_weight airtime_bss_limit airtime_sta_weight
+		airtime_bss_weight airtime_bss_limit airtime_sta_weight \
+		multicast_to_unicast per_sta_vif
 
 	set_default isolate 0
 	set_default maxassoc 0
@@ -942,6 +945,16 @@ hostapd_set_bss_options() {
 		json_for_each_item append_operator_icon operator_icon
 	fi
 
+	set_default multicast_to_unicast 0
+	if [ "$multicast_to_unicast" -gt 0 ]; then
+		append bss_conf "multicast_to_unicast=$multicast_to_unicast" "$N"
+	fi
+
+	set_default per_sta_vif 0
+	if [ "$per_sta_vif" -gt 0 ]; then
+		append bss_conf "per_sta_vif=$per_sta_vif" "$N"
+	fi
+
 	json_get_values opts hostapd_bss_options
 	for val in $opts; do
 		append bss_conf "$val" "$N"