Adding upstream version 4.99.4.upstream/4.99.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 125 insertions, 0 deletions

diff --git a/print-ipoib.c b/print-ipoib.c
new file mode 100644
index 0000000..3d43123
--- /dev/null
+++ b/print-ipoib.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ *	1997, 2000, 2011, 2012
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+/*
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ */
+
+/* \summary: IP-over-InfiniBand (IPoIB) printer */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "extract.h"
+#include "addrtoname.h"
+
+
+extern const struct tok ethertype_values[];
+
+#define	IPOIB_HDRLEN	44
+
+static inline void
+ipoib_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length)
+{
+	uint16_t ether_type;
+
+	ether_type = GET_BE_U_2(bp + 40);
+	if (!ndo->ndo_qflag) {
+		ND_PRINT(", ethertype %s (0x%04x)",
+			     tok2str(ethertype_values,"Unknown", ether_type),
+			     ether_type);
+	} else {
+		ND_PRINT(", ethertype %s",
+			     tok2str(ethertype_values,"Unknown", ether_type));
+	}
+
+	ND_PRINT(", length %u: ", length);
+}
+
+/*
+ * Print an InfiniBand frame.
+ * This might be encapsulated within another frame; we might be passed
+ * a pointer to a function that can print header information for that
+ * frame's protocol, and an argument to pass to that function.
+ */
+static void
+ipoib_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen,
+    void (*print_encap_header)(const u_char *), const u_char *encap_header_arg)
+{
+	const u_char *orig_hdr = p;
+	u_int orig_length;
+	u_short ether_type;
+
+	if (caplen < IPOIB_HDRLEN) {
+		nd_print_trunc(ndo);
+		ndo->ndo_ll_hdr_len += caplen;
+		return;
+	}
+
+	if (length < IPOIB_HDRLEN) {
+		nd_print_trunc(ndo);
+		ndo->ndo_ll_hdr_len += length;
+		return;
+	}
+
+	if (ndo->ndo_eflag) {
+		nd_print_protocol_caps(ndo);
+		if (print_encap_header != NULL)
+			(*print_encap_header)(encap_header_arg);
+		ipoib_hdr_print(ndo, p, length);
+	}
+	orig_length = length;
+
+	ndo->ndo_ll_hdr_len += IPOIB_HDRLEN;
+	length -= IPOIB_HDRLEN;
+	caplen -= IPOIB_HDRLEN;
+	ether_type = GET_BE_U_2(p + 40);
+	p += IPOIB_HDRLEN;
+
+	if (ethertype_print(ndo, ether_type, p, length, caplen, NULL, NULL) == 0) {
+		/* ether_type not known, print raw packet */
+		if (!ndo->ndo_eflag) {
+			if (print_encap_header != NULL)
+				(*print_encap_header)(encap_header_arg);
+			ipoib_hdr_print(ndo, orig_hdr , orig_length);
+		}
+
+		if (!ndo->ndo_suppress_default_print)
+			ND_DEFAULTPRINT(p, caplen);
+	}
+}
+
+/*
+ * This is the top level routine of the printer.  'p' points
+ * to the ether header of 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
+ipoib_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
+{
+	ndo->ndo_protocol = "ipoib";
+	ipoib_print(ndo, p, h->len, h->caplen, NULL, NULL);
+}