add support for another PPP variant as per request from Karsten Keil <[email protected]>

[libpcap] / savefile.c

diff --git a/savefile.c b/savefile.c
index 6821b2f864e7e06cbbb854036d0e085062ca058c..dc89f243124705747ac647dfe122dde6fc06aff9 100644 (file)
--- a/savefile.c
+++ b/savefile.c
@@ -30,7 +30,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.108 2004-08-17 17:50:33 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.109 2004-08-18 14:25:01 hannes Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -333,6 +333,14 @@ static const char rcsid[] _U_ =
  */
 #define LINKTYPE_BACNET_MS_TP  165
 
+/*
+ * another PPP variant as per request from Karsten Keil <[email protected]>
+ * the first byte (0xff) of the PPP header (0xff03) is tweaked to accomodate
+ * the direction 0x00 = IN, 0x01 = OUT
+ */
+#define LINKTYPE_PPP_WITHDIRECTION 166
+
+
 static struct linktype_map {
        int     dlt;
        int     linktype;
@@ -497,6 +505,9 @@ static struct linktype_map {
        /* BACnet MS/TP */
        { DLT_BACNET_MS_TP,     LINKTYPE_BACNET_MS_TP },
 
+        /* PPP with direction flag in the PPP header */
+        { DLT_PPP_WITHDIRECTION,LINKTYPE_PPP_WITHDIRECTION},
+
        { -1,                   -1 }
 };