network_get_subnet() { __network_ipaddr "$1" "$2" 4 1; }
network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
+
+
+network_get_device()
+{
+ local __var="$1"
+ local __iface="$2"
+
+ local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+ [ -n "$__tmp" ] || return 1
+
+ json_load "$__tmp"
+ json_get_var "$__var" device
+
+ return 0
+}