freebsd_network: Some small additions for FreeBSD 12 drivers.

src/libs/compat/freebsd_network/compat/net/ethernet.h

@@ -79,6 +79,9 @@ CTASSERT(sizeof (struct ether_addr) == ETHER_ADDR_LEN);
 #endif
 
 #define	ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */
+#define	ETHER_IS_BROADCAST(addr) \
+	(((addr)[0] & (addr)[1] & (addr)[2] & \
+	  (addr)[3] & (addr)[4] & (addr)[5]) == 0xff)
 
 /*
  *  NOTE: 0x0000-0x05DC (0..1500) are generally IEEE 802.3 length fields.

src/libs/compat/freebsd_network/compat/netinet/netdump/netdump.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2018, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _FBSD_COMPAT_NETINET_NETDUMP_H_
+#define _FBSD_COMPAT_NETINET_NETDUMP_H_
+
+
+#define	NETDUMP_DEFINE(driver)
+#define	NETDUMP_REINIT(ifp)
+#define	NETDUMP_SET(ifp, driver)
+
+
+#endif /* _FBSD_COMPAT_NETINET_NETDUMP_H_ */

src/libs/compat/freebsd_network/compat/sys/module.h

@@ -19,5 +19,6 @@ typedef enum modeventtype {
 
 #define MODULE_VERSION(name, version)
 #define MODULE_DEPEND(module, mdepend, vmin, vpref, vmax)
+#define	MODULE_PNP_INFO(d, b, unique, t, n)
 
 #endif