1/*
2 * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and

--- 6 unchanged lines hidden (view full) ---

15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * Code by Matt Thomas, Digital Equipment Corporation
22 * with an awful lot of hacking by Jeffrey Mogul, DECWRL
23 */
24
25#ifndef lint
26static const char rcsid[] =
27 "@(#) $Header: print-llc.c,v 1.24 97/01/01 20:56:48 leres Exp $";
28#endif
29
30#include <sys/param.h>
31#include <sys/time.h>
32
33#include <netinet/in.h>
34
35#include <ctype.h>
36#include <netdb.h>
37#include <stdio.h>

--- 36 unchanged lines hidden (view full) ---

74
75 /* Watch out for possible alignment problems */
76 memcpy((char *)&llc, (char *)p, min(caplen, sizeof(llc)));
77
78 if (llc.ssap == LLCSAP_GLOBAL && llc.dsap == LLCSAP_GLOBAL) {
79 ipx_print(p, length);
80 return (1);
81 }
82#ifdef notyet
83 else if (p[0] == 0xf0 && p[1] == 0xf0)
84 netbios_print(p, length);
85#endif
86 if (llc.ssap == LLCSAP_ISONS && llc.dsap == LLCSAP_ISONS
87 && llc.llcui == LLC_UI) {
88 isoclns_print(p + 3, length - 3, caplen - 3, esrc, edst);
89 return (1);
90 }
91
92 if (llc.ssap == LLCSAP_SNAP && llc.dsap == LLCSAP_SNAP
93 && llc.llcui == LLC_UI) {
94 if (caplen < sizeof(llc)) {
95 (void)printf("[|llc-snap]");
96 default_print((u_char *)p, caplen);
97 return (0);
98 }
99 if (vflag)
100 (void)printf("snap %s ", protoid_string(llc.llcpi));
101
102 caplen -= sizeof(llc);
103 length -= sizeof(llc);
104 p += sizeof(llc);
105

--- 25 unchanged lines hidden (view full) ---

131 llcsap_string(llc.dsap));
132 }
133
134 if ((llc.llcu & LLC_U_FMT) == LLC_U_FMT) {
135 const char *m;
136 char f;
137 m = tok2str(cmd2str, "%02x", LLC_U_CMD(llc.llcu));
138 switch ((llc.ssap & LLC_GSAP) | (llc.llcu & LLC_U_POLL)) {
139 case 0: f = 'C'; break;
140 case LLC_GSAP: f = 'R'; break;
141 case LLC_U_POLL: f = 'P'; break;
142 case LLC_GSAP|LLC_U_POLL: f = 'F'; break;
143 default: f = '?'; break;
144 }
145
146 printf("%s/%c", m, f);
147
148 p += 3;
149 length -= 3;
150 caplen -= 3;
151
152 if ((llc.llcu & ~LLC_U_POLL) == LLC_XID) {
153 if (*p == LLC_XID_FI) {
154 printf(": %02x %02x", p[1], p[2]);
155 p += 3;
156 length -= 3;
157 caplen -= 3;
158 }
159 }
160 } else {
161 char f;
162 llc.llcis = ntohs(llc.llcis);
163 switch ((llc.ssap & LLC_GSAP) | (llc.llcu & LLC_U_POLL)) {
164 case 0: f = 'C'; break;
165 case LLC_GSAP: f = 'R'; break;
166 case LLC_U_POLL: f = 'P'; break;
167 case LLC_GSAP|LLC_U_POLL: f = 'F'; break;
168 default: f = '?'; break;
169 }
170
171 if ((llc.llcu & LLC_S_FMT) == LLC_S_FMT) {
172 static char *llc_s[] = { "rr", "rej", "rnr", "03" };
173 (void)printf("%s (r=%d,%c)",
174 llc_s[LLC_S_CMD(llc.llcis)],
175 LLC_IS_NR(llc.llcis),
176 f);

--- 16 unchanged lines hidden ---