1 files changed, 102 insertions, 0 deletions
diff --git a/print-sunatm.c b/print-sunatm.c
new file mode 100644
index 0000000..0fe5eee
--- /dev/null
+++ b/print-sunatm.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 1997 Yen Yen Lim and North Dakota State University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Yen Yen Lim and
+	North Dakota State University
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* \summary: SunATM DLPI capture printer */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"
+#include "extract.h"
+
+#include "atm.h"
+
+/* SunATM header for ATM packet */
+#define DIR_POS		0	/* Direction (0x80 = transmit, 0x00 = receive) */
+#define VPI_POS		1	/* VPI */
+#define VCI_POS		2	/* VCI */
+#define PKT_BEGIN_POS   4	/* Start of the ATM packet */
+
+/* Protocol type values in the bottom for bits of the byte at SUNATM_DIR_POS. */
+#define PT_LANE		0x01	/* LANE */
+#define PT_LLC		0x02	/* LLC encapsulation */
+
+/*
+ * This is the top level routine of the printer.  'p' points
+ * to the SunATM pseudo-header for the packet, 'h->ts' is the timestamp,
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+void
+sunatm_if_print(netdissect_options *ndo,
+                const struct pcap_pkthdr *h, const u_char *p)
+{
+	u_int caplen = h->caplen;
+	u_int length = h->len;
+	u_short vci;
+	u_char vpi;
+	u_int traftype;
+
+	ndo->ndo_protocol = "sunatm";
+
+	if (ndo->ndo_eflag) {
+		ND_PRINT(GET_U_1(p + DIR_POS) & 0x80 ? "Tx: " : "Rx: ");
+	}
+
+	switch (GET_U_1(p + DIR_POS) & 0x0f) {
+
+	case PT_LANE:
+		traftype = ATM_LANE;
+		break;
+
+	case PT_LLC:
+		traftype = ATM_LLC;
+		break;
+
+	default:
+		traftype = ATM_UNKNOWN;
+		break;
+	}
+
+	vpi = GET_U_1(p + VPI_POS);
+	vci = GET_BE_U_2(p + VCI_POS);
+
+	p += PKT_BEGIN_POS;
+	caplen -= PKT_BEGIN_POS;
+	length -= PKT_BEGIN_POS;
+	ndo->ndo_ll_hdr_len += PKT_BEGIN_POS;
+	atm_print(ndo, vpi, vci, traftype, p, length, caplen);
+}