Add network device driver model, netdev

rtl8720dn/debug.go

@@ -0,0 +1,16 @@
+package rtl8720dn
+
+type debug uint8
+
+const (
+	debugBasic  debug = 1 << iota // show fw version, mac addr, etc
+	debugNetdev                   // show netdev entry points
+	debugRpc                      // show rtl8720dn cmds
+
+	debugOff = 0
+	debugAll = debugBasic | debugNetdev | debugRpc
+)
+
+func debugging(want debug) bool {
+	return (_debug & want) != 0
+}