1*ed775ee7SAntonio Huete Jimenez /*
2*ed775ee7SAntonio Huete Jimenez * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
3*ed775ee7SAntonio Huete Jimenez * 1997, 2000, 2011, 2012
4*ed775ee7SAntonio Huete Jimenez * The Regents of the University of California. All rights reserved.
5*ed775ee7SAntonio Huete Jimenez *
6*ed775ee7SAntonio Huete Jimenez * Redistribution and use in source and binary forms, with or without
7*ed775ee7SAntonio Huete Jimenez * modification, are permitted provided that: (1) source code distributions
8*ed775ee7SAntonio Huete Jimenez * retain the above copyright notice and this paragraph in its entirety, (2)
9*ed775ee7SAntonio Huete Jimenez * distributions including binary code include the above copyright notice and
10*ed775ee7SAntonio Huete Jimenez * this paragraph in its entirety in the documentation or other materials
11*ed775ee7SAntonio Huete Jimenez * provided with the distribution, and (3) all advertising materials mentioning
12*ed775ee7SAntonio Huete Jimenez * features or use of this software display the following acknowledgement:
13*ed775ee7SAntonio Huete Jimenez * ``This product includes software developed by the University of California,
14*ed775ee7SAntonio Huete Jimenez * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
15*ed775ee7SAntonio Huete Jimenez * the University nor the names of its contributors may be used to endorse
16*ed775ee7SAntonio Huete Jimenez * or promote products derived from this software without specific prior
17*ed775ee7SAntonio Huete Jimenez * written permission.
18*ed775ee7SAntonio Huete Jimenez * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
19*ed775ee7SAntonio Huete Jimenez * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
20*ed775ee7SAntonio Huete Jimenez * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21*ed775ee7SAntonio Huete Jimenez */
22*ed775ee7SAntonio Huete Jimenez /*
23*ed775ee7SAntonio Huete Jimenez * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
24*ed775ee7SAntonio Huete Jimenez */
25*ed775ee7SAntonio Huete Jimenez
26*ed775ee7SAntonio Huete Jimenez /* \summary: IP-over-InfiniBand (IPoIB) printer */
27*ed775ee7SAntonio Huete Jimenez
28*ed775ee7SAntonio Huete Jimenez #ifdef HAVE_CONFIG_H
29*ed775ee7SAntonio Huete Jimenez #include <config.h>
30*ed775ee7SAntonio Huete Jimenez #endif
31*ed775ee7SAntonio Huete Jimenez
32*ed775ee7SAntonio Huete Jimenez #include "netdissect-stdinc.h"
33*ed775ee7SAntonio Huete Jimenez
34*ed775ee7SAntonio Huete Jimenez #include "netdissect.h"
35*ed775ee7SAntonio Huete Jimenez #include "extract.h"
36*ed775ee7SAntonio Huete Jimenez #include "addrtoname.h"
37*ed775ee7SAntonio Huete Jimenez
38*ed775ee7SAntonio Huete Jimenez
39*ed775ee7SAntonio Huete Jimenez extern const struct tok ethertype_values[];
40*ed775ee7SAntonio Huete Jimenez
41*ed775ee7SAntonio Huete Jimenez #define IPOIB_HDRLEN 44
42*ed775ee7SAntonio Huete Jimenez
43*ed775ee7SAntonio Huete Jimenez static inline void
ipoib_hdr_print(netdissect_options * ndo,const u_char * bp,u_int length)44*ed775ee7SAntonio Huete Jimenez ipoib_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length)
45*ed775ee7SAntonio Huete Jimenez {
46*ed775ee7SAntonio Huete Jimenez uint16_t ether_type;
47*ed775ee7SAntonio Huete Jimenez
48*ed775ee7SAntonio Huete Jimenez ether_type = GET_BE_U_2(bp + 40);
49*ed775ee7SAntonio Huete Jimenez if (!ndo->ndo_qflag) {
50*ed775ee7SAntonio Huete Jimenez ND_PRINT(", ethertype %s (0x%04x)",
51*ed775ee7SAntonio Huete Jimenez tok2str(ethertype_values,"Unknown", ether_type),
52*ed775ee7SAntonio Huete Jimenez ether_type);
53*ed775ee7SAntonio Huete Jimenez } else {
54*ed775ee7SAntonio Huete Jimenez ND_PRINT(", ethertype %s",
55*ed775ee7SAntonio Huete Jimenez tok2str(ethertype_values,"Unknown", ether_type));
56*ed775ee7SAntonio Huete Jimenez }
57*ed775ee7SAntonio Huete Jimenez
58*ed775ee7SAntonio Huete Jimenez ND_PRINT(", length %u: ", length);
59*ed775ee7SAntonio Huete Jimenez }
60*ed775ee7SAntonio Huete Jimenez
61*ed775ee7SAntonio Huete Jimenez /*
62*ed775ee7SAntonio Huete Jimenez * Print an InfiniBand frame.
63*ed775ee7SAntonio Huete Jimenez * This might be encapsulated within another frame; we might be passed
64*ed775ee7SAntonio Huete Jimenez * a pointer to a function that can print header information for that
65*ed775ee7SAntonio Huete Jimenez * frame's protocol, and an argument to pass to that function.
66*ed775ee7SAntonio Huete Jimenez */
67*ed775ee7SAntonio Huete Jimenez 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)68*ed775ee7SAntonio Huete Jimenez ipoib_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen,
69*ed775ee7SAntonio Huete Jimenez void (*print_encap_header)(const u_char *), const u_char *encap_header_arg)
70*ed775ee7SAntonio Huete Jimenez {
71*ed775ee7SAntonio Huete Jimenez const u_char *orig_hdr = p;
72*ed775ee7SAntonio Huete Jimenez u_int orig_length;
73*ed775ee7SAntonio Huete Jimenez u_short ether_type;
74*ed775ee7SAntonio Huete Jimenez
75*ed775ee7SAntonio Huete Jimenez if (caplen < IPOIB_HDRLEN) {
76*ed775ee7SAntonio Huete Jimenez nd_print_trunc(ndo);
77*ed775ee7SAntonio Huete Jimenez ndo->ndo_ll_hdr_len += caplen;
78*ed775ee7SAntonio Huete Jimenez return;
79*ed775ee7SAntonio Huete Jimenez }
80*ed775ee7SAntonio Huete Jimenez
81*ed775ee7SAntonio Huete Jimenez if (length < IPOIB_HDRLEN) {
82*ed775ee7SAntonio Huete Jimenez nd_print_trunc(ndo);
83*ed775ee7SAntonio Huete Jimenez ndo->ndo_ll_hdr_len += length;
84*ed775ee7SAntonio Huete Jimenez return;
85*ed775ee7SAntonio Huete Jimenez }
86*ed775ee7SAntonio Huete Jimenez
87*ed775ee7SAntonio Huete Jimenez if (ndo->ndo_eflag) {
88*ed775ee7SAntonio Huete Jimenez nd_print_protocol_caps(ndo);
89*ed775ee7SAntonio Huete Jimenez if (print_encap_header != NULL)
90*ed775ee7SAntonio Huete Jimenez (*print_encap_header)(encap_header_arg);
91*ed775ee7SAntonio Huete Jimenez ipoib_hdr_print(ndo, p, length);
92*ed775ee7SAntonio Huete Jimenez }
93*ed775ee7SAntonio Huete Jimenez orig_length = length;
94*ed775ee7SAntonio Huete Jimenez
95*ed775ee7SAntonio Huete Jimenez ndo->ndo_ll_hdr_len += IPOIB_HDRLEN;
96*ed775ee7SAntonio Huete Jimenez length -= IPOIB_HDRLEN;
97*ed775ee7SAntonio Huete Jimenez caplen -= IPOIB_HDRLEN;
98*ed775ee7SAntonio Huete Jimenez ether_type = GET_BE_U_2(p + 40);
99*ed775ee7SAntonio Huete Jimenez p += IPOIB_HDRLEN;
100*ed775ee7SAntonio Huete Jimenez
101*ed775ee7SAntonio Huete Jimenez if (ethertype_print(ndo, ether_type, p, length, caplen, NULL, NULL) == 0) {
102*ed775ee7SAntonio Huete Jimenez /* ether_type not known, print raw packet */
103*ed775ee7SAntonio Huete Jimenez if (!ndo->ndo_eflag) {
104*ed775ee7SAntonio Huete Jimenez if (print_encap_header != NULL)
105*ed775ee7SAntonio Huete Jimenez (*print_encap_header)(encap_header_arg);
106*ed775ee7SAntonio Huete Jimenez ipoib_hdr_print(ndo, orig_hdr , orig_length);
107*ed775ee7SAntonio Huete Jimenez }
108*ed775ee7SAntonio Huete Jimenez
109*ed775ee7SAntonio Huete Jimenez if (!ndo->ndo_suppress_default_print)
110*ed775ee7SAntonio Huete Jimenez ND_DEFAULTPRINT(p, caplen);
111*ed775ee7SAntonio Huete Jimenez }
112*ed775ee7SAntonio Huete Jimenez }
113*ed775ee7SAntonio Huete Jimenez
114*ed775ee7SAntonio Huete Jimenez /*
115*ed775ee7SAntonio Huete Jimenez * This is the top level routine of the printer. 'p' points
116*ed775ee7SAntonio Huete Jimenez * to the ether header of the packet, 'h->ts' is the timestamp,
117*ed775ee7SAntonio Huete Jimenez * 'h->len' is the length of the packet off the wire, and 'h->caplen'
118*ed775ee7SAntonio Huete Jimenez * is the number of bytes actually captured.
119*ed775ee7SAntonio Huete Jimenez */
120*ed775ee7SAntonio Huete Jimenez void
ipoib_if_print(netdissect_options * ndo,const struct pcap_pkthdr * h,const u_char * p)121*ed775ee7SAntonio Huete Jimenez ipoib_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
122*ed775ee7SAntonio Huete Jimenez {
123*ed775ee7SAntonio Huete Jimenez ndo->ndo_protocol = "ipoib";
124*ed775ee7SAntonio Huete Jimenez ipoib_print(ndo, p, h->len, h->caplen, NULL, NULL);
125*ed775ee7SAntonio Huete Jimenez }
126