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From: "George V. Neville-Neil" <gnn@FreeBSD.org>
Date: Tue, 14 Apr 2015 15:21:21 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r281530 - head/sys/net
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Author: gnn
Date: Tue Apr 14 15:21:20 2015
New Revision: 281530
URL: https://svnweb.freebsd.org/changeset/base/281530

Log:
  Document internal interface types which are specific to FreeBSD.

Modified:
  head/sys/net/if_types.h

Modified: head/sys/net/if_types.h
==============================================================================
--- head/sys/net/if_types.h	Tue Apr 14 14:43:42 2015	(r281529)
+++ head/sys/net/if_types.h	Tue Apr 14 15:21:20 2015	(r281530)
@@ -243,10 +243,10 @@
 
 #define	IFT_STF			   0xd7	/* 6to4 interface */
 
-/* not based on IANA assignments */
-#define	IFT_GIF		0xf0
-#define	IFT_PVC		0xf1
-#define	IFT_ENC		0xf4
-#define	IFT_PFLOG	0xf6
-#define	IFT_PFSYNC	0xf7
+/* FreeBSD specific, not based on IANA assignments */
+#define	IFT_GIF		0xf0 /* Generic tunnel interface */
+#define	IFT_PVC		0xf1 /* Unused */
+#define	IFT_ENC		0xf4 /* Encapsulating interface */
+#define	IFT_PFLOG	0xf6 /* PF packet filter logging */
+#define	IFT_PFSYNC	0xf7 /* PF packet filter synchronization */
 #endif /* !_NET_IF_TYPES_H_ */