allocate 4 new DLTs on behalf of Juniper Networks, Inc. for

prepending meta-information like interface index, interface name
before a standard Ethernet, PPP, Frame Relay, C-HDLC Frame

1 files changed, 20 insertions, 1 deletions

diff --git a/savefile.c b/savefile.c
index e057d7be..f97318ee 100644
--- a/savefile.c
+++ b/savefile.c
@@ -30,7 +30,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.138 2005-07-07 01:57:03 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.139 2005-08-12 19:23:32 hannes Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -412,6 +412,18 @@ static const char rcsid[] _U_ =
  */
 #define LINKTYPE_LINUX_LAPD	177
 
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>. 
+ * The Link Types are used for prepending meta-information
+ * like interface index, interface name
+ * before standard Ethernet, PPP, Frelay & C-HDLC Frames
+ */
+#define LINKTYPE_JUNIPER_ETHER  178
+#define LINKTYPE_JUNIPER_PPP    179
+#define LINKTYPE_JUNIPER_FRELAY 180
+#define LINKTYPE_JUNIPER_CHDLC  181
+
 static struct linktype_map {
 	int	dlt;
 	int	linktype;
@@ -611,6 +623,13 @@ static struct linktype_map {
 	/* viSDN LAPD */
 	{ DLT_LINUX_LAPD,	LINKTYPE_LINUX_LAPD },
 
+        /* Juniper meta-information before Ether, PPP, Frame Relay, C-HDLC Frames */
+        { DLT_JUNIPER_ETHER, LINKTYPE_JUNIPER_ETHER },
+        { DLT_JUNIPER_PPP, LINKTYPE_JUNIPER_PPP },
+        { DLT_JUNIPER_FRELAY, LINKTYPE_JUNIPER_FRELAY },
+        { DLT_JUNIPER_CHDLC, LINKTYPE_JUNIPER_CHDLC },
+
+
 	{ -1,			-1 }
 };