--- /dev/null
+/*
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <netdissect-stdinc.h>
+
+#include <stdio.h>
+#include <pcap.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;
+ char abuf[40];
+
+ ether_type = GET_BE_U_2(&bp[40]);
+ if (!ndo->ndo_qflag) {
+ (void)printf(", ethertype %s (0x%04x)",
+ tok2str(ethertype_values,"Unknown", ether_type),
+ ether_type);
+ } else {
+ (void)printf(", ethertype %s",
+ tok2str(ethertype_values,"Unknown", ether_type));
+ }
+
+ (void)printf(", 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;
+ u_short extracted_ether_type;
+
+ if (caplen < IPOIB_HDRLEN || length < IPOIB_HDRLEN) {
+ printf("[|ipoib]");
+ return;
+ }
+
+ if (ndo->ndo_eflag) {
+ if (print_encap_header != NULL)
+ (*print_encap_header)(encap_header_arg);
+ ipoib_hdr_print(ndo, p, length);
+ }
+ orig_length = length;
+
+ 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.
+ */
+u_int
+ipoib_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
+{
+ ipoib_print(ndo, p, h->len, h->caplen, NULL, NULL);
+
+ return (IPOIB_HDRLEN);
+}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */
projects / tcpdump / commitdiff
