mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-28 04:25:16 +08:00
122 lines
3.7 KiB
C
122 lines
3.7 KiB
C
/*
|
|
* 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 <stdio.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 || length < IPOIB_HDRLEN) {
|
|
nd_print_trunc(ndo);
|
|
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;
|
|
|
|
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)
|
|
{
|
|
ndo->ndo_protocol = "ipoib";
|
|
ipoib_print(ndo, p, h->len, h->caplen, NULL, NULL);
|
|
|
|
return (IPOIB_HDRLEN);
|
|
}
|