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gre: add support for MikroTik Ethernet-over-IP hack.
[tcpdump] / print-openflow-1.0.c
1 /*
2 * This module implements decoding of OpenFlow protocol version 1.0 (wire
3 * protocol 0x01). The decoder implements terse (default), detailed (-v) and
4 * full (-vv) output formats and, as much as each format implies, detects and
5 * tries to work around sizing anomalies inside the messages. The decoder marks
6 * up bogus values of selected message fields and decodes partially captured
7 * messages up to the snapshot end. It is based on the specification below:
8 *
9 * [OF10] https://www.opennetworking.org/wp-content/uploads/2013/04/openflow-spec-v1.0.0.pdf
10 *
11 * Most functions in this file take the following arguments:
12 * * cp -- the pointer to the first octet to decode
13 * * len -- the declared length of the structure to decode
14 * The convention is that a printer function returns iff the given structure is
15 * completely within the packet buffer; otherwise it processes the part that is
16 * within the buffer, sooner of later takes the "truncated packet" shortcut via
17 * longjmp() and never returns. With that in mind, the function may return
18 * without printing the structure completely if it is invalid or the ndo_vflag
19 * value is not high enough. This way the calling function can try to decode
20 * the next data item.
21 *
22 * Decoding of Ethernet frames nested in OFPT_PACKET_IN and OFPT_PACKET_OUT
23 * messages is done only when the verbosity level set by command-line argument
24 * is "-vvv" or higher. In that case the verbosity level is temporarily
25 * decremented by 3 during the nested frame decoding. For example, running
26 * tcpdump with "-vvvv" will do full decoding of OpenFlow and "-v" decoding of
27 * the nested frames.
28 *
29 * Partial decoding of Big Switch Networks vendor extensions is done after the
30 * oftest (OpenFlow Testing Framework) and Loxigen (library generator) source
31 * code.
32 *
33 *
34 * Copyright (c) 2013 The TCPDUMP project
35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
47 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
48 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
49 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
50 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
52 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
53 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
54 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
56 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
57 * POSSIBILITY OF SUCH DAMAGE.
58 */
59
60 /* \summary: OpenFlow protocol version 1.0 printer */
61
62 #ifdef HAVE_CONFIG_H
63 #include <config.h>
64 #endif
65
66 #include "netdissect-stdinc.h"
67
68 #define ND_LONGJMP_FROM_TCHECK
69 #include "netdissect.h"
70 #include "extract.h"
71 #include "addrtoname.h"
72 #include "ethertype.h"
73 #include "ipproto.h"
74 #include "oui.h"
75 #include "openflow.h"
76
77
78 #define OFPT_HELLO 0x00
79 #define OFPT_ERROR 0x01
80 #define OFPT_ECHO_REQUEST 0x02
81 #define OFPT_ECHO_REPLY 0x03
82 #define OFPT_VENDOR 0x04
83 #define OFPT_FEATURES_REQUEST 0x05
84 #define OFPT_FEATURES_REPLY 0x06
85 #define OFPT_GET_CONFIG_REQUEST 0x07
86 #define OFPT_GET_CONFIG_REPLY 0x08
87 #define OFPT_SET_CONFIG 0x09
88 #define OFPT_PACKET_IN 0x0a
89 #define OFPT_FLOW_REMOVED 0x0b
90 #define OFPT_PORT_STATUS 0x0c
91 #define OFPT_PACKET_OUT 0x0d
92 #define OFPT_FLOW_MOD 0x0e
93 #define OFPT_PORT_MOD 0x0f
94 #define OFPT_STATS_REQUEST 0x10
95 #define OFPT_STATS_REPLY 0x11
96 #define OFPT_BARRIER_REQUEST 0x12
97 #define OFPT_BARRIER_REPLY 0x13
98 #define OFPT_QUEUE_GET_CONFIG_REQUEST 0x14
99 #define OFPT_QUEUE_GET_CONFIG_REPLY 0x15
100 #define OFPT_MAX OFPT_QUEUE_GET_CONFIG_REPLY
101
102 #define OFPPC_PORT_DOWN (1U <<0)
103 #define OFPPC_NO_STP (1U <<1)
104 #define OFPPC_NO_RECV (1U <<2)
105 #define OFPPC_NO_RECV_STP (1U <<3)
106 #define OFPPC_NO_FLOOD (1U <<4)
107 #define OFPPC_NO_FWD (1U <<5)
108 #define OFPPC_NO_PACKET_IN (1U <<6)
109 static const struct tok ofppc_bm[] = {
110 { OFPPC_PORT_DOWN, "PORT_DOWN" },
111 { OFPPC_NO_STP, "NO_STP" },
112 { OFPPC_NO_RECV, "NO_RECV" },
113 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
114 { OFPPC_NO_FLOOD, "NO_FLOOD" },
115 { OFPPC_NO_FWD, "NO_FWD" },
116 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
117 { 0, NULL }
118 };
119 #define OFPPC_U (~(OFPPC_PORT_DOWN | OFPPC_NO_STP | OFPPC_NO_RECV | \
120 OFPPC_NO_RECV_STP | OFPPC_NO_FLOOD | OFPPC_NO_FWD | \
121 OFPPC_NO_PACKET_IN))
122
123 /*
124 * [OF10] lists all FPPS_ constants in one enum, but they mean a 1-bit bitmap
125 * in the least significant octet and a 2-bit code point in the next octet.
126 * Remember to mix or to separate these two parts as the context requires.
127 */
128 #define OFPPS_LINK_DOWN (1U << 0) /* bitmap */
129 #define OFPPS_STP_LISTEN (0U << 8) /* code point */
130 #define OFPPS_STP_LEARN (1U << 8) /* code point */
131 #define OFPPS_STP_FORWARD (2U << 8) /* code point */
132 #define OFPPS_STP_BLOCK (3U << 8) /* code point */
133 #define OFPPS_STP_MASK (3U << 8) /* code point bitmask */
134 static const struct tok ofpps_stp_str[] = {
135 { OFPPS_STP_LISTEN, "STP_LISTEN" },
136 { OFPPS_STP_LEARN, "STP_LEARN" },
137 { OFPPS_STP_FORWARD, "STP_FORWARD" },
138 { OFPPS_STP_BLOCK, "STP_BLOCK" },
139 { 0, NULL }
140 };
141 #define OFPPS_U (~(OFPPS_LINK_DOWN | OFPPS_STP_LISTEN | OFPPS_STP_LEARN | \
142 OFPPS_STP_FORWARD | OFPPS_STP_BLOCK))
143
144 #define OFPP_MAX 0xff00U
145 #define OFPP_IN_PORT 0xfff8U
146 #define OFPP_TABLE 0xfff9U
147 #define OFPP_NORMAL 0xfffaU
148 #define OFPP_FLOOD 0xfffbU
149 #define OFPP_ALL 0xfffcU
150 #define OFPP_CONTROLLER 0xfffdU
151 #define OFPP_LOCAL 0xfffeU
152 #define OFPP_NONE 0xffffU
153 static const struct tok ofpp_str[] = {
154 { OFPP_MAX, "MAX" },
155 { OFPP_IN_PORT, "IN_PORT" },
156 { OFPP_TABLE, "TABLE" },
157 { OFPP_NORMAL, "NORMAL" },
158 { OFPP_FLOOD, "FLOOD" },
159 { OFPP_ALL, "ALL" },
160 { OFPP_CONTROLLER, "CONTROLLER" },
161 { OFPP_LOCAL, "LOCAL" },
162 { OFPP_NONE, "NONE" },
163 { 0, NULL }
164 };
165
166 #define OFPPF_10MB_HD (1U << 0)
167 #define OFPPF_10MB_FD (1U << 1)
168 #define OFPPF_100MB_HD (1U << 2)
169 #define OFPPF_100MB_FD (1U << 3)
170 #define OFPPF_1GB_HD (1U << 4)
171 #define OFPPF_1GB_FD (1U << 5)
172 #define OFPPF_10GB_FD (1U << 6)
173 #define OFPPF_COPPER (1U << 7)
174 #define OFPPF_FIBER (1U << 8)
175 #define OFPPF_AUTONEG (1U << 9)
176 #define OFPPF_PAUSE (1U <<10)
177 #define OFPPF_PAUSE_ASYM (1U <<11)
178 static const struct tok ofppf_bm[] = {
179 { OFPPF_10MB_HD, "10MB_HD" },
180 { OFPPF_10MB_FD, "10MB_FD" },
181 { OFPPF_100MB_HD, "100MB_HD" },
182 { OFPPF_100MB_FD, "100MB_FD" },
183 { OFPPF_1GB_HD, "1GB_HD" },
184 { OFPPF_1GB_FD, "1GB_FD" },
185 { OFPPF_10GB_FD, "10GB_FD" },
186 { OFPPF_COPPER, "COPPER" },
187 { OFPPF_FIBER, "FIBER" },
188 { OFPPF_AUTONEG, "AUTONEG" },
189 { OFPPF_PAUSE, "PAUSE" },
190 { OFPPF_PAUSE_ASYM, "PAUSE_ASYM" },
191 { 0, NULL }
192 };
193 #define OFPPF_U (~(OFPPF_10MB_HD | OFPPF_10MB_FD | OFPPF_100MB_HD | \
194 OFPPF_100MB_FD | OFPPF_1GB_HD | OFPPF_1GB_FD | \
195 OFPPF_10GB_FD | OFPPF_COPPER | OFPPF_FIBER | \
196 OFPPF_AUTONEG | OFPPF_PAUSE | OFPPF_PAUSE_ASYM))
197
198 #define OFPQT_NONE 0x0000
199 #define OFPQT_MIN_RATE 0x0001
200 static const struct tok ofpqt_str[] = {
201 { OFPQT_NONE, "NONE" },
202 { OFPQT_MIN_RATE, "MIN_RATE" },
203 { 0, NULL }
204 };
205
206 #define OFPFW_IN_PORT (1U <<0)
207 #define OFPFW_DL_VLAN (1U <<1)
208 #define OFPFW_DL_SRC (1U <<2)
209 #define OFPFW_DL_DST (1U <<3)
210 #define OFPFW_DL_TYPE (1U <<4)
211 #define OFPFW_NW_PROTO (1U <<5)
212 #define OFPFW_TP_SRC (1U <<6)
213 #define OFPFW_TP_DST (1U <<7)
214 #define OFPFW_NW_SRC_SHIFT 8
215 #define OFPFW_NW_SRC_BITS 6
216 #define OFPFW_NW_SRC_MASK (((1U <<OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT)
217 #define OFPFW_NW_DST_SHIFT 14
218 #define OFPFW_NW_DST_BITS 6
219 #define OFPFW_NW_DST_MASK (((1U <<OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT)
220 #define OFPFW_DL_VLAN_PCP (1U <<20)
221 #define OFPFW_NW_TOS (1U <<21)
222 #define OFPFW_ALL ((1U <<22) - 1)
223 static const struct tok ofpfw_bm[] = {
224 { OFPFW_IN_PORT, "IN_PORT" },
225 { OFPFW_DL_VLAN, "DL_VLAN" },
226 { OFPFW_DL_SRC, "DL_SRC" },
227 { OFPFW_DL_DST, "DL_DST" },
228 { OFPFW_DL_TYPE, "DL_TYPE" },
229 { OFPFW_NW_PROTO, "NW_PROTO" },
230 { OFPFW_TP_SRC, "TP_SRC" },
231 { OFPFW_TP_DST, "TP_DST" },
232 { OFPFW_DL_VLAN_PCP, "DL_VLAN_PCP" },
233 { OFPFW_NW_TOS, "NW_TOS" },
234 { 0, NULL }
235 };
236 /* The above array does not include bits 8~13 (OFPFW_NW_SRC_*) and 14~19
237 * (OFPFW_NW_DST_*), which are not a part of the bitmap and require decoding
238 * other than that of tok2str(). The macro below includes these bits such that
239 * they are not reported as bogus in the decoding. */
240 #define OFPFW_U (~(OFPFW_ALL))
241
242 #define OFPAT_OUTPUT 0x0000U
243 #define OFPAT_SET_VLAN_VID 0x0001U
244 #define OFPAT_SET_VLAN_PCP 0x0002U
245 #define OFPAT_STRIP_VLAN 0x0003U
246 #define OFPAT_SET_DL_SRC 0x0004U
247 #define OFPAT_SET_DL_DST 0x0005U
248 #define OFPAT_SET_NW_SRC 0x0006U
249 #define OFPAT_SET_NW_DST 0x0007U
250 #define OFPAT_SET_NW_TOS 0x0008U
251 #define OFPAT_SET_TP_SRC 0x0009U
252 #define OFPAT_SET_TP_DST 0x000aU
253 #define OFPAT_ENQUEUE 0x000bU
254 #define OFPAT_VENDOR 0xffffU
255 static const struct tok ofpat_str[] = {
256 { OFPAT_OUTPUT, "OUTPUT" },
257 { OFPAT_SET_VLAN_VID, "SET_VLAN_VID" },
258 { OFPAT_SET_VLAN_PCP, "SET_VLAN_PCP" },
259 { OFPAT_STRIP_VLAN, "STRIP_VLAN" },
260 { OFPAT_SET_DL_SRC, "SET_DL_SRC" },
261 { OFPAT_SET_DL_DST, "SET_DL_DST" },
262 { OFPAT_SET_NW_SRC, "SET_NW_SRC" },
263 { OFPAT_SET_NW_DST, "SET_NW_DST" },
264 { OFPAT_SET_NW_TOS, "SET_NW_TOS" },
265 { OFPAT_SET_TP_SRC, "SET_TP_SRC" },
266 { OFPAT_SET_TP_DST, "SET_TP_DST" },
267 { OFPAT_ENQUEUE, "ENQUEUE" },
268 { OFPAT_VENDOR, "VENDOR" },
269 { 0, NULL }
270 };
271
272 /* bit-shifted, w/o vendor action */
273 static const struct tok ofpat_bm[] = {
274 { 1U <<OFPAT_OUTPUT, "OUTPUT" },
275 { 1U <<OFPAT_SET_VLAN_VID, "SET_VLAN_VID" },
276 { 1U <<OFPAT_SET_VLAN_PCP, "SET_VLAN_PCP" },
277 { 1U <<OFPAT_STRIP_VLAN, "STRIP_VLAN" },
278 { 1U <<OFPAT_SET_DL_SRC, "SET_DL_SRC" },
279 { 1U <<OFPAT_SET_DL_DST, "SET_DL_DST" },
280 { 1U <<OFPAT_SET_NW_SRC, "SET_NW_SRC" },
281 { 1U <<OFPAT_SET_NW_DST, "SET_NW_DST" },
282 { 1U <<OFPAT_SET_NW_TOS, "SET_NW_TOS" },
283 { 1U <<OFPAT_SET_TP_SRC, "SET_TP_SRC" },
284 { 1U <<OFPAT_SET_TP_DST, "SET_TP_DST" },
285 { 1U <<OFPAT_ENQUEUE, "ENQUEUE" },
286 { 0, NULL }
287 };
288 #define OFPAT_U (~(1U <<OFPAT_OUTPUT | 1U <<OFPAT_SET_VLAN_VID | \
289 1U <<OFPAT_SET_VLAN_PCP | 1U <<OFPAT_STRIP_VLAN | \
290 1U <<OFPAT_SET_DL_SRC | 1U <<OFPAT_SET_DL_DST | \
291 1U <<OFPAT_SET_NW_SRC | 1U <<OFPAT_SET_NW_DST | \
292 1U <<OFPAT_SET_NW_TOS | 1U <<OFPAT_SET_TP_SRC | \
293 1U <<OFPAT_SET_TP_DST | 1U <<OFPAT_ENQUEUE))
294
295 #define OFPC_FLOW_STATS (1U <<0)
296 #define OFPC_TABLE_STATS (1U <<1)
297 #define OFPC_PORT_STATS (1U <<2)
298 #define OFPC_STP (1U <<3)
299 #define OFPC_RESERVED (1U <<4)
300 #define OFPC_IP_REASM (1U <<5)
301 #define OFPC_QUEUE_STATS (1U <<6)
302 #define OFPC_ARP_MATCH_IP (1U <<7)
303 static const struct tok ofp_capabilities_bm[] = {
304 { OFPC_FLOW_STATS, "FLOW_STATS" },
305 { OFPC_TABLE_STATS, "TABLE_STATS" },
306 { OFPC_PORT_STATS, "PORT_STATS" },
307 { OFPC_STP, "STP" },
308 { OFPC_RESERVED, "RESERVED" }, /* not in the mask below */
309 { OFPC_IP_REASM, "IP_REASM" },
310 { OFPC_QUEUE_STATS, "QUEUE_STATS" },
311 { OFPC_ARP_MATCH_IP, "ARP_MATCH_IP" },
312 { 0, NULL }
313 };
314 #define OFPCAP_U (~(OFPC_FLOW_STATS | OFPC_TABLE_STATS | OFPC_PORT_STATS | \
315 OFPC_STP | OFPC_IP_REASM | OFPC_QUEUE_STATS | \
316 OFPC_ARP_MATCH_IP))
317
318 #define OFPC_FRAG_NORMAL 0x0000U
319 #define OFPC_FRAG_DROP 0x0001U
320 #define OFPC_FRAG_REASM 0x0002U
321 static const struct tok ofp_config_str[] = {
322 { OFPC_FRAG_NORMAL, "FRAG_NORMAL" },
323 { OFPC_FRAG_DROP, "FRAG_DROP" },
324 { OFPC_FRAG_REASM, "FRAG_REASM" },
325 { 0, NULL }
326 };
327
328 #define OFPFC_ADD 0x0000U
329 #define OFPFC_MODIFY 0x0001U
330 #define OFPFC_MODIFY_STRICT 0x0002U
331 #define OFPFC_DELETE 0x0003U
332 #define OFPFC_DELETE_STRICT 0x0004U
333 static const struct tok ofpfc_str[] = {
334 { OFPFC_ADD, "ADD" },
335 { OFPFC_MODIFY, "MODIFY" },
336 { OFPFC_MODIFY_STRICT, "MODIFY_STRICT" },
337 { OFPFC_DELETE, "DELETE" },
338 { OFPFC_DELETE_STRICT, "DELETE_STRICT" },
339 { 0, NULL }
340 };
341
342 static const struct tok bufferid_str[] = {
343 { 0xffffffff, "NONE" },
344 { 0, NULL }
345 };
346
347 #define OFPFF_SEND_FLOW_REM (1U <<0)
348 #define OFPFF_CHECK_OVERLAP (1U <<1)
349 #define OFPFF_EMERG (1U <<2)
350 static const struct tok ofpff_bm[] = {
351 { OFPFF_SEND_FLOW_REM, "SEND_FLOW_REM" },
352 { OFPFF_CHECK_OVERLAP, "CHECK_OVERLAP" },
353 { OFPFF_EMERG, "EMERG" },
354 { 0, NULL }
355 };
356 #define OFPFF_U (~(OFPFF_SEND_FLOW_REM | OFPFF_CHECK_OVERLAP | OFPFF_EMERG))
357
358 #define OFPST_DESC 0x0000U
359 #define OFPST_FLOW 0x0001U
360 #define OFPST_AGGREGATE 0x0002U
361 #define OFPST_TABLE 0x0003U
362 #define OFPST_PORT 0x0004U
363 #define OFPST_QUEUE 0x0005U
364 #define OFPST_VENDOR 0xffffU
365 static const struct tok ofpst_str[] = {
366 { OFPST_DESC, "DESC" },
367 { OFPST_FLOW, "FLOW" },
368 { OFPST_AGGREGATE, "AGGREGATE" },
369 { OFPST_TABLE, "TABLE" },
370 { OFPST_PORT, "PORT" },
371 { OFPST_QUEUE, "QUEUE" },
372 { OFPST_VENDOR, "VENDOR" },
373 { 0, NULL }
374 };
375
376 static const struct tok tableid_str[] = {
377 { 0xfeU, "EMERG" },
378 { 0xffU, "ALL" },
379 { 0, NULL }
380 };
381
382 #define OFPQ_ALL 0xffffffffU
383 static const struct tok ofpq_str[] = {
384 { OFPQ_ALL, "ALL" },
385 { 0, NULL }
386 };
387
388 #define OFPSF_REPLY_MORE 0x0001U
389 static const struct tok ofpsf_reply_bm[] = {
390 { OFPSF_REPLY_MORE, "MORE" },
391 { 0, NULL }
392 };
393 #define OFPSF_REPLY_U (~(OFPSF_REPLY_MORE))
394
395 #define OFPR_NO_MATCH 0x00U
396 #define OFPR_ACTION 0x01U
397 static const struct tok ofpr_str[] = {
398 { OFPR_NO_MATCH, "NO_MATCH" },
399 { OFPR_ACTION, "ACTION" },
400 { 0, NULL }
401 };
402
403 #define OFPRR_IDLE_TIMEOUT 0x00U
404 #define OFPRR_HARD_TIMEOUT 0x01U
405 #define OFPRR_DELETE 0x02U
406 static const struct tok ofprr_str[] = {
407 { OFPRR_IDLE_TIMEOUT, "IDLE_TIMEOUT" },
408 { OFPRR_HARD_TIMEOUT, "HARD_TIMEOUT" },
409 { OFPRR_DELETE, "DELETE" },
410 { 0, NULL }
411 };
412
413 #define OFPPR_ADD 0x00U
414 #define OFPPR_DELETE 0x01U
415 #define OFPPR_MODIFY 0x02U
416 static const struct tok ofppr_str[] = {
417 { OFPPR_ADD, "ADD" },
418 { OFPPR_DELETE, "DELETE" },
419 { OFPPR_MODIFY, "MODIFY" },
420 { 0, NULL }
421 };
422
423 #define OFPET_HELLO_FAILED 0x0000U
424 #define OFPET_BAD_REQUEST 0x0001U
425 #define OFPET_BAD_ACTION 0x0002U
426 #define OFPET_FLOW_MOD_FAILED 0x0003U
427 #define OFPET_PORT_MOD_FAILED 0x0004U
428 #define OFPET_QUEUE_OP_FAILED 0x0005U
429 static const struct tok ofpet_str[] = {
430 { OFPET_HELLO_FAILED, "HELLO_FAILED" },
431 { OFPET_BAD_REQUEST, "BAD_REQUEST" },
432 { OFPET_BAD_ACTION, "BAD_ACTION" },
433 { OFPET_FLOW_MOD_FAILED, "FLOW_MOD_FAILED" },
434 { OFPET_PORT_MOD_FAILED, "PORT_MOD_FAILED" },
435 { OFPET_QUEUE_OP_FAILED, "QUEUE_OP_FAILED" },
436 { 0, NULL }
437 };
438
439 #define OFPHFC_INCOMPATIBLE 0x0000U
440 #define OFPHFC_EPERM 0x0001U
441 static const struct tok ofphfc_str[] = {
442 { OFPHFC_INCOMPATIBLE, "INCOMPATIBLE" },
443 { OFPHFC_EPERM, "EPERM" },
444 { 0, NULL }
445 };
446
447 #define OFPBRC_BAD_VERSION 0x0000U
448 #define OFPBRC_BAD_TYPE 0x0001U
449 #define OFPBRC_BAD_STAT 0x0002U
450 #define OFPBRC_BAD_VENDOR 0x0003U
451 #define OFPBRC_BAD_SUBTYPE 0x0004U
452 #define OFPBRC_EPERM 0x0005U
453 #define OFPBRC_BAD_LEN 0x0006U
454 #define OFPBRC_BUFFER_EMPTY 0x0007U
455 #define OFPBRC_BUFFER_UNKNOWN 0x0008U
456 static const struct tok ofpbrc_str[] = {
457 { OFPBRC_BAD_VERSION, "BAD_VERSION" },
458 { OFPBRC_BAD_TYPE, "BAD_TYPE" },
459 { OFPBRC_BAD_STAT, "BAD_STAT" },
460 { OFPBRC_BAD_VENDOR, "BAD_VENDOR" },
461 { OFPBRC_BAD_SUBTYPE, "BAD_SUBTYPE" },
462 { OFPBRC_EPERM, "EPERM" },
463 { OFPBRC_BAD_LEN, "BAD_LEN" },
464 { OFPBRC_BUFFER_EMPTY, "BUFFER_EMPTY" },
465 { OFPBRC_BUFFER_UNKNOWN, "BUFFER_UNKNOWN" },
466 { 0, NULL }
467 };
468
469 #define OFPBAC_BAD_TYPE 0x0000U
470 #define OFPBAC_BAD_LEN 0x0001U
471 #define OFPBAC_BAD_VENDOR 0x0002U
472 #define OFPBAC_BAD_VENDOR_TYPE 0x0003U
473 #define OFPBAC_BAD_OUT_PORT 0x0004U
474 #define OFPBAC_BAD_ARGUMENT 0x0005U
475 #define OFPBAC_EPERM 0x0006U
476 #define OFPBAC_TOO_MANY 0x0007U
477 #define OFPBAC_BAD_QUEUE 0x0008U
478 static const struct tok ofpbac_str[] = {
479 { OFPBAC_BAD_TYPE, "BAD_TYPE" },
480 { OFPBAC_BAD_LEN, "BAD_LEN" },
481 { OFPBAC_BAD_VENDOR, "BAD_VENDOR" },
482 { OFPBAC_BAD_VENDOR_TYPE, "BAD_VENDOR_TYPE" },
483 { OFPBAC_BAD_OUT_PORT, "BAD_OUT_PORT" },
484 { OFPBAC_BAD_ARGUMENT, "BAD_ARGUMENT" },
485 { OFPBAC_EPERM, "EPERM" },
486 { OFPBAC_TOO_MANY, "TOO_MANY" },
487 { OFPBAC_BAD_QUEUE, "BAD_QUEUE" },
488 { 0, NULL }
489 };
490
491 #define OFPFMFC_ALL_TABLES_FULL 0x0000U
492 #define OFPFMFC_OVERLAP 0x0001U
493 #define OFPFMFC_EPERM 0x0002U
494 #define OFPFMFC_BAD_EMERG_TIMEOUT 0x0003U
495 #define OFPFMFC_BAD_COMMAND 0x0004U
496 #define OFPFMFC_UNSUPPORTED 0x0005U
497 static const struct tok ofpfmfc_str[] = {
498 { OFPFMFC_ALL_TABLES_FULL, "ALL_TABLES_FULL" },
499 { OFPFMFC_OVERLAP, "OVERLAP" },
500 { OFPFMFC_EPERM, "EPERM" },
501 { OFPFMFC_BAD_EMERG_TIMEOUT, "BAD_EMERG_TIMEOUT" },
502 { OFPFMFC_BAD_COMMAND, "BAD_COMMAND" },
503 { OFPFMFC_UNSUPPORTED, "UNSUPPORTED" },
504 { 0, NULL }
505 };
506
507 #define OFPPMFC_BAD_PORT 0x0000U
508 #define OFPPMFC_BAD_HW_ADDR 0x0001U
509 static const struct tok ofppmfc_str[] = {
510 { OFPPMFC_BAD_PORT, "BAD_PORT" },
511 { OFPPMFC_BAD_HW_ADDR, "BAD_HW_ADDR" },
512 { 0, NULL }
513 };
514
515 #define OFPQOFC_BAD_PORT 0x0000U
516 #define OFPQOFC_BAD_QUEUE 0x0001U
517 #define OFPQOFC_EPERM 0x0002U
518 static const struct tok ofpqofc_str[] = {
519 { OFPQOFC_BAD_PORT, "BAD_PORT" },
520 { OFPQOFC_BAD_QUEUE, "BAD_QUEUE" },
521 { OFPQOFC_EPERM, "EPERM" },
522 { 0, NULL }
523 };
524
525 static const struct uint_tokary of10_ofpet2tokary[] = {
526 { OFPET_HELLO_FAILED, ofphfc_str },
527 { OFPET_BAD_REQUEST, ofpbrc_str },
528 { OFPET_BAD_ACTION, ofpbac_str },
529 { OFPET_FLOW_MOD_FAILED, ofpfmfc_str },
530 { OFPET_PORT_MOD_FAILED, ofppmfc_str },
531 { OFPET_QUEUE_OP_FAILED, ofpqofc_str },
532 /* uint2tokary() does not use array termination. */
533 };
534
535 /* lengths (fixed or minimal) of particular message types, where not 0 */
536 #define OF_SWITCH_CONFIG_FIXLEN (12U - OF_HEADER_FIXLEN)
537 #define OF_FEATURES_REPLY_MINLEN (32U - OF_HEADER_FIXLEN)
538 #define OF_PORT_STATUS_FIXLEN (64U - OF_HEADER_FIXLEN)
539 #define OF_PORT_MOD_FIXLEN (32U - OF_HEADER_FIXLEN)
540 #define OF_PACKET_IN_MINLEN (20U - OF_HEADER_FIXLEN) /* with 2 mock octets */
541 #define OF_PACKET_OUT_MINLEN (16U - OF_HEADER_FIXLEN)
542 #define OF_FLOW_MOD_MINLEN (72U - OF_HEADER_FIXLEN)
543 #define OF_FLOW_REMOVED_FIXLEN (88U - OF_HEADER_FIXLEN)
544 #define OF_ERROR_MSG_MINLEN (12U - OF_HEADER_FIXLEN)
545 #define OF_STATS_REQUEST_MINLEN (12U - OF_HEADER_FIXLEN)
546 #define OF_STATS_REPLY_MINLEN (12U - OF_HEADER_FIXLEN)
547 #define OF_VENDOR_MINLEN (12U - OF_HEADER_FIXLEN)
548 #define OF_QUEUE_GET_CONFIG_REQUEST_FIXLEN (12U - OF_HEADER_FIXLEN)
549 #define OF_QUEUE_GET_CONFIG_REPLY_MINLEN (16U - OF_HEADER_FIXLEN)
550
551 /* lengths (fixed or minimal) of particular protocol structures */
552 #define OF_PHY_PORT_FIXLEN 48
553 #define OF_ACTION_MINLEN 8
554 #define OF_MATCH_FIXLEN 40
555 #define OF_DESC_STATS_REPLY_FIXLEN 1056
556 #define OF_FLOW_STATS_REQUEST_FIXLEN 44
557 #define OF_FLOW_STATS_REPLY_MINLEN 88
558 #define OF_AGGREGATE_STATS_REPLY_FIXLEN 24
559 #define OF_TABLE_STATS_REPLY_FIXLEN 64
560 #define OF_PORT_STATS_REQUEST_FIXLEN 8
561 #define OF_PORT_STATS_REPLY_FIXLEN 104
562 #define OF_QUEUE_PROP_MINLEN 8
563 #define OF_QUEUE_PROP_MIN_RATE_FIXLEN 16
564 #define OF_PACKET_QUEUE_MINLEN 8
565 #define OF_QUEUE_STATS_REQUEST_FIXLEN 8
566 #define OF_QUEUE_STATS_REPLY_FIXLEN 32
567
568 /* miscellaneous constants from [OF10] */
569 #define OFP_MAX_TABLE_NAME_LEN 32
570 #define OFP_MAX_PORT_NAME_LEN 16
571 #define DESC_STR_LEN 256
572 #define SERIAL_NUM_LEN 32
573 #define OFP_VLAN_NONE 0xffffU
574
575 /* vendor extensions */
576 #define BSN_SET_IP_MASK 0
577 #define BSN_GET_IP_MASK_REQUEST 1
578 #define BSN_GET_IP_MASK_REPLY 2
579 #define BSN_SET_MIRRORING 3
580 #define BSN_GET_MIRRORING_REQUEST 4
581 #define BSN_GET_MIRRORING_REPLY 5
582 #define BSN_SHELL_COMMAND 6
583 #define BSN_SHELL_OUTPUT 7
584 #define BSN_SHELL_STATUS 8
585 #define BSN_GET_INTERFACES_REQUEST 9
586 #define BSN_GET_INTERFACES_REPLY 10
587 #define BSN_SET_PKTIN_SUPPRESSION_REQUEST 11
588 #define BSN_SET_L2_TABLE_REQUEST 12
589 #define BSN_GET_L2_TABLE_REQUEST 13
590 #define BSN_GET_L2_TABLE_REPLY 14
591 #define BSN_VIRTUAL_PORT_CREATE_REQUEST 15
592 #define BSN_VIRTUAL_PORT_CREATE_REPLY 16
593 #define BSN_VIRTUAL_PORT_REMOVE_REQUEST 17
594 #define BSN_BW_ENABLE_SET_REQUEST 18
595 #define BSN_BW_ENABLE_GET_REQUEST 19
596 #define BSN_BW_ENABLE_GET_REPLY 20
597 #define BSN_BW_CLEAR_DATA_REQUEST 21
598 #define BSN_BW_CLEAR_DATA_REPLY 22
599 #define BSN_BW_ENABLE_SET_REPLY 23
600 #define BSN_SET_L2_TABLE_REPLY 24
601 #define BSN_SET_PKTIN_SUPPRESSION_REPLY 25
602 #define BSN_VIRTUAL_PORT_REMOVE_REPLY 26
603 #define BSN_HYBRID_GET_REQUEST 27
604 #define BSN_HYBRID_GET_REPLY 28
605 /* 29 */
606 /* 30 */
607 #define BSN_PDU_TX_REQUEST 31
608 #define BSN_PDU_TX_REPLY 32
609 #define BSN_PDU_RX_REQUEST 33
610 #define BSN_PDU_RX_REPLY 34
611 #define BSN_PDU_RX_TIMEOUT 35
612
613 static const struct tok bsn_subtype_str[] = {
614 { BSN_SET_IP_MASK, "SET_IP_MASK" },
615 { BSN_GET_IP_MASK_REQUEST, "GET_IP_MASK_REQUEST" },
616 { BSN_GET_IP_MASK_REPLY, "GET_IP_MASK_REPLY" },
617 { BSN_SET_MIRRORING, "SET_MIRRORING" },
618 { BSN_GET_MIRRORING_REQUEST, "GET_MIRRORING_REQUEST" },
619 { BSN_GET_MIRRORING_REPLY, "GET_MIRRORING_REPLY" },
620 { BSN_SHELL_COMMAND, "SHELL_COMMAND" },
621 { BSN_SHELL_OUTPUT, "SHELL_OUTPUT" },
622 { BSN_SHELL_STATUS, "SHELL_STATUS" },
623 { BSN_GET_INTERFACES_REQUEST, "GET_INTERFACES_REQUEST" },
624 { BSN_GET_INTERFACES_REPLY, "GET_INTERFACES_REPLY" },
625 { BSN_SET_PKTIN_SUPPRESSION_REQUEST, "SET_PKTIN_SUPPRESSION_REQUEST" },
626 { BSN_SET_L2_TABLE_REQUEST, "SET_L2_TABLE_REQUEST" },
627 { BSN_GET_L2_TABLE_REQUEST, "GET_L2_TABLE_REQUEST" },
628 { BSN_GET_L2_TABLE_REPLY, "GET_L2_TABLE_REPLY" },
629 { BSN_VIRTUAL_PORT_CREATE_REQUEST, "VIRTUAL_PORT_CREATE_REQUEST" },
630 { BSN_VIRTUAL_PORT_CREATE_REPLY, "VIRTUAL_PORT_CREATE_REPLY" },
631 { BSN_VIRTUAL_PORT_REMOVE_REQUEST, "VIRTUAL_PORT_REMOVE_REQUEST" },
632 { BSN_BW_ENABLE_SET_REQUEST, "BW_ENABLE_SET_REQUEST" },
633 { BSN_BW_ENABLE_GET_REQUEST, "BW_ENABLE_GET_REQUEST" },
634 { BSN_BW_ENABLE_GET_REPLY, "BW_ENABLE_GET_REPLY" },
635 { BSN_BW_CLEAR_DATA_REQUEST, "BW_CLEAR_DATA_REQUEST" },
636 { BSN_BW_CLEAR_DATA_REPLY, "BW_CLEAR_DATA_REPLY" },
637 { BSN_BW_ENABLE_SET_REPLY, "BW_ENABLE_SET_REPLY" },
638 { BSN_SET_L2_TABLE_REPLY, "SET_L2_TABLE_REPLY" },
639 { BSN_SET_PKTIN_SUPPRESSION_REPLY, "SET_PKTIN_SUPPRESSION_REPLY" },
640 { BSN_VIRTUAL_PORT_REMOVE_REPLY, "VIRTUAL_PORT_REMOVE_REPLY" },
641 { BSN_HYBRID_GET_REQUEST, "HYBRID_GET_REQUEST" },
642 { BSN_HYBRID_GET_REPLY, "HYBRID_GET_REPLY" },
643 { BSN_PDU_TX_REQUEST, "PDU_TX_REQUEST" },
644 { BSN_PDU_TX_REPLY, "PDU_TX_REPLY" },
645 { BSN_PDU_RX_REQUEST, "PDU_RX_REQUEST" },
646 { BSN_PDU_RX_REPLY, "PDU_RX_REPLY" },
647 { BSN_PDU_RX_TIMEOUT, "PDU_RX_TIMEOUT" },
648 { 0, NULL }
649 };
650
651 #define BSN_ACTION_MIRROR 1
652 #define BSN_ACTION_SET_TUNNEL_DST 2
653 /* 3 */
654 #define BSN_ACTION_CHECKSUM 4
655
656 static const struct tok bsn_action_subtype_str[] = {
657 { BSN_ACTION_MIRROR, "MIRROR" },
658 { BSN_ACTION_SET_TUNNEL_DST, "SET_TUNNEL_DST" },
659 { BSN_ACTION_CHECKSUM, "CHECKSUM" },
660 { 0, NULL }
661 };
662
663 static const struct tok bsn_mirror_copy_stage_str[] = {
664 { 0, "INGRESS" },
665 { 1, "EGRESS" },
666 { 0, NULL },
667 };
668
669 static const struct tok bsn_onoff_str[] = {
670 { 0, "OFF" },
671 { 1, "ON" },
672 { 0, NULL },
673 };
674
675 static const char *
676 vlan_str(const uint16_t vid)
677 {
678 static char buf[sizeof("65535 (bogus)")];
679
680 if (vid == OFP_VLAN_NONE)
681 return "NONE";
682 snprintf(buf, sizeof(buf), "%u%s", vid,
683 (vid > 0 && vid < 0x0fff) ? "" : " (bogus)");
684 return buf;
685 }
686
687 static const char *
688 pcp_str(const uint8_t pcp)
689 {
690 static char buf[sizeof("255 (bogus)")];
691 snprintf(buf, sizeof(buf), "%u%s", pcp,
692 pcp <= 7 ? "" : " (bogus)");
693 return buf;
694 }
695
696 static void
697 of10_bsn_message_print(netdissect_options *ndo,
698 const u_char *cp, u_int len)
699 {
700 uint32_t subtype;
701
702 ND_PRINT("\n\t");
703 ND_ICHECK_U(len, <, 4);
704 /* subtype */
705 subtype = GET_BE_U_4(cp);
706 OF_FWD(4);
707 ND_PRINT(" subtype %s", tok2str(bsn_subtype_str, "unknown (0x%08x)", subtype));
708 switch (subtype) {
709 case BSN_GET_IP_MASK_REQUEST:
710 /*
711 * 0 1 2 3
712 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
713 * +---------------+---------------+---------------+---------------+
714 * | subtype |
715 * +---------------+---------------+---------------+---------------+
716 * | index | pad |
717 * +---------------+---------------+---------------+---------------+
718 * | pad |
719 * +---------------+---------------+---------------+---------------+
720 *
721 */
722 ND_ICHECK_U(len, !=, 8);
723 /* index */
724 ND_PRINT(", index %u", GET_U_1(cp));
725 OF_FWD(1);
726 /* pad */
727 /* Always the last field, check bounds. */
728 ND_TCHECK_7(cp);
729 break;
730 case BSN_SET_IP_MASK:
731 case BSN_GET_IP_MASK_REPLY:
732 /*
733 * 0 1 2 3
734 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
735 * +---------------+---------------+---------------+---------------+
736 * | subtype |
737 * +---------------+---------------+---------------+---------------+
738 * | index | pad |
739 * +---------------+---------------+---------------+---------------+
740 * | mask |
741 * +---------------+---------------+---------------+---------------+
742 *
743 */
744 ND_ICHECK_U(len, !=, 8);
745 /* index */
746 ND_PRINT(", index %u", GET_U_1(cp));
747 OF_FWD(1);
748 /* pad */
749 OF_FWD(3);
750 /* mask */
751 ND_PRINT(", mask %s", GET_IPADDR_STRING(cp));
752 break;
753 case BSN_SET_MIRRORING:
754 case BSN_GET_MIRRORING_REQUEST:
755 case BSN_GET_MIRRORING_REPLY:
756 /*
757 * 0 1 2 3
758 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
759 * +---------------+---------------+---------------+---------------+
760 * | subtype |
761 * +---------------+---------------+---------------+---------------+
762 * | report m. p. | pad |
763 * +---------------+---------------+---------------+---------------+
764 *
765 */
766 ND_ICHECK_U(len, !=, 4);
767 /* report_mirror_ports */
768 ND_PRINT(", report_mirror_ports %s",
769 tok2str(bsn_onoff_str, "bogus (%u)", GET_U_1(cp)));
770 OF_FWD(1);
771 /* pad */
772 /* Always the last field, check bounds. */
773 ND_TCHECK_3(cp);
774 break;
775 case BSN_GET_INTERFACES_REQUEST:
776 case BSN_GET_L2_TABLE_REQUEST:
777 case BSN_BW_ENABLE_GET_REQUEST:
778 case BSN_BW_CLEAR_DATA_REQUEST:
779 case BSN_HYBRID_GET_REQUEST:
780 /*
781 * 0 1 2 3
782 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
783 * +---------------+---------------+---------------+---------------+
784 * | subtype |
785 * +---------------+---------------+---------------+---------------+
786 *
787 */
788 ND_ICHECK_U(len, !=, 0);
789 break;
790 case BSN_VIRTUAL_PORT_REMOVE_REQUEST:
791 /*
792 * 0 1 2 3
793 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
794 * +---------------+---------------+---------------+---------------+
795 * | subtype |
796 * +---------------+---------------+---------------+---------------+
797 * | vport_no |
798 * +---------------+---------------+---------------+---------------+
799 *
800 */
801 ND_ICHECK_U(len, !=, 4);
802 /* vport_no */
803 ND_PRINT(", vport_no %u", GET_BE_U_4(cp));
804 break;
805 case BSN_SHELL_COMMAND:
806 /*
807 * 0 1 2 3
808 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
809 * +---------------+---------------+---------------+---------------+
810 * | subtype |
811 * +---------------+---------------+---------------+---------------+
812 * | service |
813 * +---------------+---------------+---------------+---------------+
814 * | data ...
815 * +---------------+---------------+--------
816 *
817 */
818 ND_ICHECK_U(len, <, 4);
819 /* service */
820 ND_PRINT(", service %u", GET_BE_U_4(cp));
821 OF_FWD(4);
822 /* data */
823 ND_PRINT(", data '");
824 nd_printjn(ndo, cp, len);
825 ND_PRINT("'");
826 break;
827 case BSN_SHELL_OUTPUT:
828 /*
829 * 0 1 2 3
830 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
831 * +---------------+---------------+---------------+---------------+
832 * | subtype |
833 * +---------------+---------------+---------------+---------------+
834 * | data ...
835 * +---------------+---------------+--------
836 *
837 */
838 /* already checked that len >= 4 */
839 /* data */
840 ND_PRINT(", data '");
841 nd_printjn(ndo, cp, len);
842 ND_PRINT("'");
843 break;
844 case BSN_SHELL_STATUS:
845 /*
846 * 0 1 2 3
847 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
848 * +---------------+---------------+---------------+---------------+
849 * | subtype |
850 * +---------------+---------------+---------------+---------------+
851 * | status |
852 * +---------------+---------------+---------------+---------------+
853 *
854 */
855 ND_ICHECK_U(len, !=, 4);
856 /* status */
857 ND_PRINT(", status 0x%08x", GET_BE_U_4(cp));
858 break;
859 default:
860 ND_TCHECK_LEN(cp, len);
861 }
862 return;
863
864 invalid: /* skip the undersized data */
865 nd_print_invalid(ndo);
866 ND_TCHECK_LEN(cp, len);
867 }
868
869 static void
870 of10_bsn_actions_print(netdissect_options *ndo,
871 const u_char *cp, u_int len)
872 {
873 uint32_t subtype, vlan_tag;
874
875 ND_PRINT("\n\t ");
876 ND_ICHECK_U(len, <, 4);
877 /* subtype */
878 subtype = GET_BE_U_4(cp);
879 OF_FWD(4);
880 ND_PRINT(" subtype %s", tok2str(bsn_action_subtype_str, "unknown (0x%08x)", subtype));
881 switch (subtype) {
882 case BSN_ACTION_MIRROR:
883 /*
884 * 0 1 2 3
885 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
886 * +---------------+---------------+---------------+---------------+
887 * | subtype |
888 * +---------------+---------------+---------------+---------------+
889 * | dest_port |
890 * +---------------+---------------+---------------+---------------+
891 * | vlan_tag |
892 * +---------------+---------------+---------------+---------------+
893 * | copy_stage | pad |
894 * +---------------+---------------+---------------+---------------+
895 *
896 */
897 ND_ICHECK_U(len, !=, 12);
898 /* dest_port */
899 ND_PRINT(", dest_port %u", GET_BE_U_4(cp));
900 OF_FWD(4);
901 /* vlan_tag */
902 vlan_tag = GET_BE_U_4(cp);
903 OF_FWD(4);
904 switch (vlan_tag >> 16) {
905 case 0:
906 ND_PRINT(", vlan_tag none");
907 break;
908 case ETHERTYPE_8021Q:
909 ND_PRINT(", vlan_tag 802.1Q (%s)", ieee8021q_tci_string(vlan_tag & 0xffff));
910 break;
911 default:
912 ND_PRINT(", vlan_tag unknown (0x%04x)", vlan_tag >> 16);
913 }
914 /* copy_stage */
915 ND_PRINT(", copy_stage %s",
916 tok2str(bsn_mirror_copy_stage_str, "unknown (%u)", GET_U_1(cp)));
917 OF_FWD(1);
918 /* pad */
919 /* Always the last field, check bounds. */
920 ND_TCHECK_3(cp);
921 break;
922 default:
923 ND_TCHECK_LEN(cp, len);
924 }
925 return;
926
927 invalid:
928 nd_print_invalid(ndo);
929 ND_TCHECK_LEN(cp, len);
930 }
931
932 static void
933 of10_vendor_action_print(netdissect_options *ndo,
934 const u_char *cp, u_int len)
935 {
936 uint32_t vendor;
937 void (*decoder)(netdissect_options *, const u_char *, u_int);
938
939 ND_ICHECK_U(len, <, 4);
940 /* vendor */
941 vendor = GET_BE_U_4(cp);
942 OF_FWD(4);
943 ND_PRINT(", vendor 0x%08x (%s)", vendor, of_vendor_name(vendor));
944 /* data */
945 decoder =
946 vendor == OUI_BSN ? of10_bsn_actions_print :
947 of_data_print;
948 decoder(ndo, cp, len);
949 return;
950
951 invalid: /* skip the undersized data */
952 nd_print_invalid(ndo);
953 ND_TCHECK_LEN(cp, len);
954 }
955
956 /* [OF10] Section 5.5.4 */
957 static void
958 of10_vendor_message_print(netdissect_options *ndo,
959 const u_char *cp, u_int len)
960 {
961 uint32_t vendor;
962 void (*decoder)(netdissect_options *, const u_char *, u_int);
963
964 /* vendor */
965 vendor = GET_BE_U_4(cp);
966 OF_FWD(4);
967 ND_PRINT(", vendor 0x%08x (%s)", vendor, of_vendor_name(vendor));
968 /* data */
969 decoder =
970 vendor == OUI_BSN ? of10_bsn_message_print :
971 of_data_print;
972 decoder(ndo, cp, len);
973 }
974
975 /* Vendor ID is mandatory, data is optional. */
976 static void
977 of10_vendor_data_print(netdissect_options *ndo,
978 const u_char *cp, u_int len)
979 {
980 uint32_t vendor;
981
982 ND_ICHECK_U(len, <, 4);
983 /* vendor */
984 vendor = GET_BE_U_4(cp);
985 OF_FWD(4);
986 ND_PRINT(", vendor 0x%08x (%s)", vendor, of_vendor_name(vendor));
987 /* data */
988 of_data_print(ndo, cp, len);
989 return;
990
991 invalid: /* skip the undersized data */
992 nd_print_invalid(ndo);
993 ND_TCHECK_LEN(cp, len);
994 }
995
996 static void
997 of10_packet_data_print(netdissect_options *ndo,
998 const u_char *cp, const u_int len)
999 {
1000 if (len == 0)
1001 return;
1002 /* data */
1003 ND_PRINT("\n\t data (%u octets)", len);
1004 if (ndo->ndo_vflag < 3) {
1005 ND_TCHECK_LEN(cp, len);
1006 return;
1007 }
1008 ndo->ndo_vflag -= 3;
1009 ND_PRINT(", frame decoding below\n");
1010 /*
1011 * The encapsulated Ethernet frame is not necessarily the last
1012 * data of this packet (i.e. there may be more OpenFlow messages
1013 * after the current OFPT_PACKET_IN/OFPT_PACKET_OUT message, in
1014 * which case the current (outer) packet's snapshot end is not
1015 * what ether_print() needs to decode an Ethernet frame nested in
1016 * the middle of a TCP payload.
1017 */
1018 const u_char *snapend_save = ndo->ndo_snapend;
1019 ndo->ndo_snapend = ND_MIN(cp + len, ndo->ndo_snapend);
1020 ether_print(ndo, cp, len, ND_BYTES_AVAILABLE_AFTER(cp), NULL, NULL);
1021 ndo->ndo_snapend = snapend_save;
1022 ndo->ndo_vflag += 3;
1023 }
1024
1025 /* [OF10] Section 5.2.1 */
1026 static void
1027 of10_phy_port_print(netdissect_options *ndo,
1028 const u_char *cp)
1029 {
1030 uint32_t state;
1031
1032 /* port_no */
1033 ND_PRINT("\n\t port_no %s",
1034 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1035 cp += 2;
1036 /* hw_addr */
1037 ND_PRINT(", hw_addr %s", GET_ETHERADDR_STRING(cp));
1038 cp += MAC_ADDR_LEN;
1039 /* name */
1040 ND_PRINT(", name '");
1041 nd_printjnp(ndo, cp, OFP_MAX_PORT_NAME_LEN);
1042 ND_PRINT("'");
1043 cp += OFP_MAX_PORT_NAME_LEN;
1044
1045 if (ndo->ndo_vflag < 2) {
1046 ND_TCHECK_LEN(cp, 24);
1047 return;
1048 }
1049 /* config */
1050 ND_PRINT("\n\t config 0x%08x", GET_BE_U_4(cp));
1051 of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
1052 cp += 4;
1053 /* state */
1054 state = GET_BE_U_4(cp);
1055 /*
1056 * Decode the code point and the single bit separately, but
1057 * format the result as a single sequence of comma-separated
1058 * strings (see the comments at the OFPPS_ props).
1059 */
1060 ND_PRINT("\n\t state 0x%08x (%s%s)%s", state,
1061 tok2str(ofpps_stp_str, "", state & OFPPS_STP_MASK),
1062 state & OFPPS_LINK_DOWN ? ", LINK_DOWN" : "",
1063 state & OFPPS_U ? " (bogus)" : "");
1064 cp += 4;
1065 /* curr */
1066 ND_PRINT("\n\t curr 0x%08x", GET_BE_U_4(cp));
1067 of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
1068 cp += 4;
1069 /* advertised */
1070 ND_PRINT("\n\t advertised 0x%08x", GET_BE_U_4(cp));
1071 of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
1072 cp += 4;
1073 /* supported */
1074 ND_PRINT("\n\t supported 0x%08x", GET_BE_U_4(cp));
1075 of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
1076 cp += 4;
1077 /* peer */
1078 ND_PRINT("\n\t peer 0x%08x", GET_BE_U_4(cp));
1079 of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
1080 }
1081
1082 /* [OF10] Section 5.2.2 */
1083 static void
1084 of10_queue_props_print(netdissect_options *ndo,
1085 const u_char *cp, u_int len)
1086 {
1087 while (len) {
1088 uint16_t property, plen;
1089 u_char plen_bogus = 0, skip = 0;
1090
1091 ND_PRINT("\n\t ");
1092 ND_ICHECKMSG_U("remaining length", len, <, OF_QUEUE_PROP_MINLEN);
1093 /* property */
1094 property = GET_BE_U_2(cp);
1095 OF_FWD(2);
1096 ND_PRINT(" property %s", tok2str(ofpqt_str, "invalid (0x%04x)", property));
1097 /* len */
1098 plen = GET_BE_U_2(cp);
1099 OF_FWD(2);
1100 ND_PRINT(", len %u", plen);
1101 ND_ICHECKMSG_U("property length", plen, <, OF_QUEUE_PROP_MINLEN);
1102 ND_ICHECKMSG_U("property length", plen, >, len + 4);
1103 /* pad */
1104 /* Sometimes the last field, check bounds. */
1105 OF_CHK_FWD(4);
1106 /* property-specific constraints and decoding */
1107 switch (property) {
1108 case OFPQT_NONE:
1109 plen_bogus = plen != OF_QUEUE_PROP_MINLEN;
1110 break;
1111 case OFPQT_MIN_RATE:
1112 plen_bogus = plen != OF_QUEUE_PROP_MIN_RATE_FIXLEN;
1113 break;
1114 default:
1115 skip = 1;
1116 }
1117 if (plen_bogus) {
1118 ND_PRINT(" (bogus)");
1119 skip = 1;
1120 }
1121 if (skip) {
1122 /*
1123 * plen >= OF_QUEUE_PROP_MINLEN
1124 * cp is OF_QUEUE_PROP_MINLEN bytes in
1125 */
1126 OF_CHK_FWD(plen - OF_QUEUE_PROP_MINLEN);
1127 continue;
1128 }
1129 if (property == OFPQT_MIN_RATE) { /* the only case of property decoding */
1130 /* rate */
1131 uint16_t rate = GET_BE_U_2(cp);
1132 OF_FWD(2);
1133 if (rate > 1000)
1134 ND_PRINT(", rate disabled");
1135 else
1136 ND_PRINT(", rate %u.%u%%", rate / 10, rate % 10);
1137 /* pad */
1138 /* Sometimes the last field, check bounds. */
1139 OF_CHK_FWD(6);
1140 }
1141 } /* while */
1142 return;
1143
1144 invalid: /* skip the rest of queue properties */
1145 nd_print_invalid(ndo);
1146 ND_TCHECK_LEN(cp, len);
1147 }
1148
1149 /* ibid */
1150 static void
1151 of10_queues_print(netdissect_options *ndo,
1152 const u_char *cp, u_int len)
1153 {
1154 while (len) {
1155 uint16_t desclen;
1156
1157 ND_PRINT("\n\t ");
1158 ND_ICHECKMSG_U("remaining length", len, <, OF_PACKET_QUEUE_MINLEN);
1159 /* queue_id */
1160 ND_PRINT(" queue_id %u", GET_BE_U_4(cp));
1161 OF_FWD(4);
1162 /* len */
1163 desclen = GET_BE_U_2(cp);
1164 OF_FWD(2);
1165 ND_PRINT(", len %u", desclen);
1166 ND_ICHECKMSG_U("prop. desc. length", desclen, <, OF_PACKET_QUEUE_MINLEN);
1167 ND_ICHECKMSG_U("prop. desc. length", desclen, >, len + 6);
1168 /* pad */
1169 /* Sometimes the last field, check bounds. */
1170 OF_CHK_FWD(2);
1171 /* properties */
1172 if (ndo->ndo_vflag >= 2)
1173 of10_queue_props_print(ndo, cp, desclen - OF_PACKET_QUEUE_MINLEN);
1174 else
1175 ND_TCHECK_LEN(cp, desclen - OF_PACKET_QUEUE_MINLEN);
1176 OF_FWD(desclen - OF_PACKET_QUEUE_MINLEN);
1177 } /* while */
1178 return;
1179
1180 invalid: /* skip the rest of queues */
1181 nd_print_invalid(ndo);
1182 ND_TCHECK_LEN(cp, len);
1183 }
1184
1185 /* [OF10] Section 5.2.3 */
1186 static void
1187 of10_match_print(netdissect_options *ndo,
1188 const char *pfx, const u_char *cp)
1189 {
1190 uint32_t wildcards;
1191 uint16_t dl_type;
1192 uint8_t nw_proto;
1193 u_int nw_bits;
1194 const char *field_name;
1195
1196 /* wildcards */
1197 wildcards = GET_BE_U_4(cp);
1198 if (wildcards & OFPFW_U)
1199 ND_PRINT("%swildcards 0x%08x (bogus)", pfx, wildcards);
1200 cp += 4;
1201 /* in_port */
1202 if (! (wildcards & OFPFW_IN_PORT))
1203 ND_PRINT("%smatch in_port %s", pfx,
1204 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1205 cp += 2;
1206 /* dl_src */
1207 if (! (wildcards & OFPFW_DL_SRC))
1208 ND_PRINT("%smatch dl_src %s", pfx, GET_ETHERADDR_STRING(cp));
1209 cp += MAC_ADDR_LEN;
1210 /* dl_dst */
1211 if (! (wildcards & OFPFW_DL_DST))
1212 ND_PRINT("%smatch dl_dst %s", pfx, GET_ETHERADDR_STRING(cp));
1213 cp += MAC_ADDR_LEN;
1214 /* dl_vlan */
1215 if (! (wildcards & OFPFW_DL_VLAN))
1216 ND_PRINT("%smatch dl_vlan %s", pfx, vlan_str(GET_BE_U_2(cp)));
1217 cp += 2;
1218 /* dl_vlan_pcp */
1219 if (! (wildcards & OFPFW_DL_VLAN_PCP))
1220 ND_PRINT("%smatch dl_vlan_pcp %s", pfx, pcp_str(GET_U_1(cp)));
1221 cp += 1;
1222 /* pad1 */
1223 cp += 1;
1224 /* dl_type */
1225 dl_type = GET_BE_U_2(cp);
1226 cp += 2;
1227 if (! (wildcards & OFPFW_DL_TYPE))
1228 ND_PRINT("%smatch dl_type 0x%04x", pfx, dl_type);
1229 /* nw_tos */
1230 if (! (wildcards & OFPFW_NW_TOS))
1231 ND_PRINT("%smatch nw_tos 0x%02x", pfx, GET_U_1(cp));
1232 cp += 1;
1233 /* nw_proto */
1234 nw_proto = GET_U_1(cp);
1235 cp += 1;
1236 if (! (wildcards & OFPFW_NW_PROTO)) {
1237 field_name = ! (wildcards & OFPFW_DL_TYPE) && dl_type == ETHERTYPE_ARP
1238 ? "arp_opcode" : "nw_proto";
1239 ND_PRINT("%smatch %s %u", pfx, field_name, nw_proto);
1240 }
1241 /* pad2 */
1242 cp += 2;
1243 /* nw_src */
1244 nw_bits = (wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT;
1245 if (nw_bits < 32)
1246 ND_PRINT("%smatch nw_src %s/%u", pfx, GET_IPADDR_STRING(cp), 32 - nw_bits);
1247 cp += 4;
1248 /* nw_dst */
1249 nw_bits = (wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT;
1250 if (nw_bits < 32)
1251 ND_PRINT("%smatch nw_dst %s/%u", pfx, GET_IPADDR_STRING(cp), 32 - nw_bits);
1252 cp += 4;
1253 /* tp_src */
1254 if (! (wildcards & OFPFW_TP_SRC)) {
1255 field_name = ! (wildcards & OFPFW_DL_TYPE) && dl_type == ETHERTYPE_IP
1256 && ! (wildcards & OFPFW_NW_PROTO) && nw_proto == IPPROTO_ICMP
1257 ? "icmp_type" : "tp_src";
1258 ND_PRINT("%smatch %s %u", pfx, field_name, GET_BE_U_2(cp));
1259 }
1260 cp += 2;
1261 /* tp_dst */
1262 /* The last unconditional check was at nw_proto, so have an "else" here. */
1263 if (! (wildcards & OFPFW_TP_DST)) {
1264 field_name = ! (wildcards & OFPFW_DL_TYPE) && dl_type == ETHERTYPE_IP
1265 && ! (wildcards & OFPFW_NW_PROTO) && nw_proto == IPPROTO_ICMP
1266 ? "icmp_code" : "tp_dst";
1267 ND_PRINT("%smatch %s %u", pfx, field_name, GET_BE_U_2(cp));
1268 } else
1269 ND_TCHECK_2(cp);
1270 }
1271
1272 /* [OF10] Section 5.2.4 */
1273 static void
1274 of10_actions_print(netdissect_options *ndo,
1275 const char *pfx, const u_char *cp, u_int len)
1276 {
1277 while (len) {
1278 uint16_t type, alen, output_port;
1279 u_char alen_bogus = 0, skip = 0;
1280
1281 ND_PRINT("%saction", pfx);
1282 ND_ICHECKMSG_U("remaining length", len, <, OF_ACTION_MINLEN);
1283 /* type */
1284 type = GET_BE_U_2(cp);
1285 OF_FWD(2);
1286 ND_PRINT(" type %s", tok2str(ofpat_str, "invalid (0x%04x)", type));
1287 /* length */
1288 alen = GET_BE_U_2(cp);
1289 OF_FWD(2);
1290 ND_PRINT(", len %u", alen);
1291 /*
1292 * The 4-byte "pad" in the specification is not a field of the
1293 * action header, but a placeholder to illustrate the 64-bit
1294 * alignment requirement. Action type specific case blocks
1295 * below fetch these 4 bytes.
1296 */
1297
1298 /* On action size underrun/overrun skip the rest of the action list. */
1299 ND_ICHECK_U(alen, <, OF_ACTION_MINLEN);
1300 ND_ICHECK_U(alen, >, len + 4);
1301 /*
1302 * After validating the basic length constraint it will be safe
1303 * to skip the current action if the action size is not valid
1304 * for the type or the type is invalid.
1305 */
1306 switch (type) {
1307 case OFPAT_OUTPUT:
1308 case OFPAT_SET_VLAN_VID:
1309 case OFPAT_SET_VLAN_PCP:
1310 case OFPAT_STRIP_VLAN:
1311 case OFPAT_SET_NW_SRC:
1312 case OFPAT_SET_NW_DST:
1313 case OFPAT_SET_NW_TOS:
1314 case OFPAT_SET_TP_SRC:
1315 case OFPAT_SET_TP_DST:
1316 alen_bogus = alen != 8;
1317 break;
1318 case OFPAT_SET_DL_SRC:
1319 case OFPAT_SET_DL_DST:
1320 case OFPAT_ENQUEUE:
1321 alen_bogus = alen != 16;
1322 break;
1323 case OFPAT_VENDOR:
1324 alen_bogus = alen % 8 != 0; /* already >= 8 so far */
1325 break;
1326 default:
1327 skip = 1;
1328 }
1329 if (alen_bogus) {
1330 ND_PRINT(" (bogus)");
1331 skip = 1;
1332 }
1333 if (skip) {
1334 /*
1335 * alen >= OF_ACTION_MINLEN
1336 * cp is 4 bytes in
1337 */
1338 OF_CHK_FWD(alen - 4);
1339 continue;
1340 }
1341 /* OK to decode the rest of the action structure */
1342 switch (type) {
1343 case OFPAT_OUTPUT:
1344 /* port */
1345 output_port = GET_BE_U_2(cp);
1346 OF_FWD(2);
1347 ND_PRINT(", port %s", tok2str(ofpp_str, "%u", output_port));
1348 /* max_len */
1349 if (output_port == OFPP_CONTROLLER)
1350 ND_PRINT(", max_len %u", GET_BE_U_2(cp));
1351 else
1352 ND_TCHECK_2(cp);
1353 OF_FWD(2);
1354 break;
1355 case OFPAT_SET_VLAN_VID:
1356 /* vlan_vid */
1357 ND_PRINT(", vlan_vid %s", vlan_str(GET_BE_U_2(cp)));
1358 OF_FWD(2);
1359 /* pad */
1360 /* Sometimes the last field, check bounds. */
1361 OF_CHK_FWD(2);
1362 break;
1363 case OFPAT_SET_VLAN_PCP:
1364 /* vlan_pcp */
1365 ND_PRINT(", vlan_pcp %s", pcp_str(GET_U_1(cp)));
1366 OF_FWD(1);
1367 /* pad */
1368 /* Sometimes the last field, check bounds. */
1369 OF_CHK_FWD(3);
1370 break;
1371 case OFPAT_SET_DL_SRC:
1372 case OFPAT_SET_DL_DST:
1373 /* dl_addr */
1374 ND_PRINT(", dl_addr %s", GET_ETHERADDR_STRING(cp));
1375 OF_FWD(MAC_ADDR_LEN);
1376 /* pad */
1377 /* Sometimes the last field, check bounds. */
1378 OF_CHK_FWD(6);
1379 break;
1380 case OFPAT_SET_NW_SRC:
1381 case OFPAT_SET_NW_DST:
1382 /* nw_addr */
1383 ND_PRINT(", nw_addr %s", GET_IPADDR_STRING(cp));
1384 OF_FWD(4);
1385 break;
1386 case OFPAT_SET_NW_TOS:
1387 /* nw_tos */
1388 ND_PRINT(", nw_tos 0x%02x", GET_U_1(cp));
1389 OF_FWD(1);
1390 /* pad */
1391 /* Sometimes the last field, check bounds. */
1392 OF_CHK_FWD(3);
1393 break;
1394 case OFPAT_SET_TP_SRC:
1395 case OFPAT_SET_TP_DST:
1396 /* nw_tos */
1397 ND_PRINT(", tp_port %u", GET_BE_U_2(cp));
1398 OF_FWD(2);
1399 /* pad */
1400 /* Sometimes the last field, check bounds. */
1401 OF_CHK_FWD(2);
1402 break;
1403 case OFPAT_ENQUEUE:
1404 /* port */
1405 ND_PRINT(", port %s",
1406 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1407 OF_FWD(2);
1408 /* pad */
1409 OF_FWD(6);
1410 /* queue_id */
1411 ND_PRINT(", queue_id %s",
1412 tok2str(ofpq_str, "%u", GET_BE_U_4(cp)));
1413 OF_FWD(4);
1414 break;
1415 case OFPAT_VENDOR:
1416 of10_vendor_action_print(ndo, cp, alen - 4);
1417 OF_FWD(alen - 4);
1418 break;
1419 case OFPAT_STRIP_VLAN:
1420 /* pad */
1421 /* Sometimes the last field, check bounds. */
1422 OF_CHK_FWD(4);
1423 break;
1424 } /* switch */
1425 } /* while */
1426 return;
1427
1428 invalid: /* skip the rest of actions */
1429 nd_print_invalid(ndo);
1430 ND_TCHECK_LEN(cp, len);
1431 }
1432
1433 /* [OF10] Section 5.3.1 */
1434 static void
1435 of10_features_reply_print(netdissect_options *ndo,
1436 const u_char *cp, u_int len)
1437 {
1438 /* datapath_id */
1439 ND_PRINT("\n\t dpid 0x%016" PRIx64, GET_BE_U_8(cp));
1440 OF_FWD(8);
1441 /* n_buffers */
1442 ND_PRINT(", n_buffers %u", GET_BE_U_4(cp));
1443 OF_FWD(4);
1444 /* n_tables */
1445 ND_PRINT(", n_tables %u", GET_U_1(cp));
1446 OF_FWD(1);
1447 /* pad */
1448 OF_FWD(3);
1449 /* capabilities */
1450 ND_PRINT("\n\t capabilities 0x%08x", GET_BE_U_4(cp));
1451 of_bitmap_print(ndo, ofp_capabilities_bm, GET_BE_U_4(cp), OFPCAP_U);
1452 OF_FWD(4);
1453 /* actions */
1454 ND_PRINT("\n\t actions 0x%08x", GET_BE_U_4(cp));
1455 of_bitmap_print(ndo, ofpat_bm, GET_BE_U_4(cp), OFPAT_U);
1456 OF_FWD(4);
1457 /* ports */
1458 while (len) {
1459 ND_ICHECKMSG_U("\n\t port def. length", len, <, OF_PHY_PORT_FIXLEN);
1460 of10_phy_port_print(ndo, cp);
1461 OF_FWD(OF_PHY_PORT_FIXLEN);
1462 }
1463 return;
1464
1465 invalid: /* skip the undersized trailing data */
1466 nd_print_invalid(ndo);
1467 ND_TCHECK_LEN(cp, len);
1468 }
1469
1470 /* [OF10] Section 5.3.2 */
1471 static void
1472 of10_switch_config_msg_print(netdissect_options *ndo,
1473 const u_char *cp, u_int len _U_)
1474 {
1475 /* flags */
1476 ND_PRINT("\n\t flags %s",
1477 tok2str(ofp_config_str, "invalid (0x%04x)", GET_BE_U_2(cp)));
1478 cp += 2;
1479 /* miss_send_len */
1480 ND_PRINT(", miss_send_len %u", GET_BE_U_2(cp));
1481 }
1482
1483 /* [OF10] Section 5.3.3 */
1484 static void
1485 of10_flow_mod_print(netdissect_options *ndo,
1486 const u_char *cp, u_int len)
1487 {
1488 uint16_t command;
1489
1490 /* match */
1491 of10_match_print(ndo, "\n\t ", cp);
1492 OF_FWD(OF_MATCH_FIXLEN);
1493 /* cookie */
1494 ND_PRINT("\n\t cookie 0x%016" PRIx64, GET_BE_U_8(cp));
1495 OF_FWD(8);
1496 /* command */
1497 command = GET_BE_U_2(cp);
1498 ND_PRINT(", command %s", tok2str(ofpfc_str, "invalid (0x%04x)", command));
1499 OF_FWD(2);
1500 /* idle_timeout */
1501 if (GET_BE_U_2(cp))
1502 ND_PRINT(", idle_timeout %u", GET_BE_U_2(cp));
1503 OF_FWD(2);
1504 /* hard_timeout */
1505 if (GET_BE_U_2(cp))
1506 ND_PRINT(", hard_timeout %u", GET_BE_U_2(cp));
1507 OF_FWD(2);
1508 /* priority */
1509 if (GET_BE_U_2(cp))
1510 ND_PRINT(", priority %u", GET_BE_U_2(cp));
1511 OF_FWD(2);
1512 /* buffer_id */
1513 if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
1514 command == OFPFC_MODIFY_STRICT)
1515 ND_PRINT(", buffer_id %s",
1516 tok2str(bufferid_str, "0x%08x", GET_BE_U_4(cp)));
1517 OF_FWD(4);
1518 /* out_port */
1519 if (command == OFPFC_DELETE || command == OFPFC_DELETE_STRICT)
1520 ND_PRINT(", out_port %s",
1521 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1522 OF_FWD(2);
1523 /* flags */
1524 ND_PRINT(", flags 0x%04x", GET_BE_U_2(cp));
1525 of_bitmap_print(ndo, ofpff_bm, GET_BE_U_2(cp), OFPFF_U);
1526 OF_FWD(2);
1527 /* actions */
1528 of10_actions_print(ndo, "\n\t ", cp, len);
1529 }
1530
1531 /* ibid */
1532 static void
1533 of10_port_mod_print(netdissect_options *ndo,
1534 const u_char *cp, u_int len _U_)
1535 {
1536 /* port_no */
1537 ND_PRINT("\n\t port_no %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1538 cp += 2;
1539 /* hw_addr */
1540 ND_PRINT(", hw_addr %s", GET_ETHERADDR_STRING(cp));
1541 cp += MAC_ADDR_LEN;
1542 /* config */
1543 ND_PRINT("\n\t config 0x%08x", GET_BE_U_4(cp));
1544 of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
1545 cp += 4;
1546 /* mask */
1547 ND_PRINT("\n\t mask 0x%08x", GET_BE_U_4(cp));
1548 of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
1549 cp += 4;
1550 /* advertise */
1551 ND_PRINT("\n\t advertise 0x%08x", GET_BE_U_4(cp));
1552 of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
1553 cp += 4;
1554 /* pad */
1555 /* Always the last field, check bounds. */
1556 ND_TCHECK_4(cp);
1557 }
1558
1559 /* [OF10] Section 5.3.4 */
1560 static void
1561 of10_queue_get_config_request_print(netdissect_options *ndo,
1562 const u_char *cp, u_int len _U_)
1563 {
1564 /* port */
1565 ND_PRINT("\n\t port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1566 cp += 2;
1567 /* pad */
1568 /* Always the last field, check bounds. */
1569 ND_TCHECK_2(cp);
1570 }
1571
1572 /* ibid */
1573 static void
1574 of10_queue_get_config_reply_print(netdissect_options *ndo,
1575 const u_char *cp, u_int len)
1576 {
1577 /* port */
1578 ND_PRINT("\n\t port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1579 OF_FWD(2);
1580 /* pad */
1581 /* Sometimes the last field, check bounds. */
1582 OF_CHK_FWD(6);
1583 /* queues */
1584 of10_queues_print(ndo, cp, len);
1585 }
1586
1587 /* [OF10] Section 5.3.5 */
1588 static void
1589 of10_stats_request_print(netdissect_options *ndo,
1590 const u_char *cp, u_int len)
1591 {
1592 uint16_t type;
1593
1594 /* type */
1595 type = GET_BE_U_2(cp);
1596 OF_FWD(2);
1597 ND_PRINT("\n\t type %s", tok2str(ofpst_str, "invalid (0x%04x)", type));
1598 /* flags */
1599 ND_PRINT(", flags 0x%04x", GET_BE_U_2(cp));
1600 if (GET_BE_U_2(cp))
1601 ND_PRINT(" (bogus)");
1602 OF_FWD(2);
1603 /* type-specific body of one of fixed lengths */
1604 switch(type) {
1605 case OFPST_DESC:
1606 case OFPST_TABLE:
1607 ND_ICHECK_U(len, !=, 0);
1608 return;
1609 case OFPST_FLOW:
1610 case OFPST_AGGREGATE:
1611 ND_ICHECK_U(len, !=, OF_FLOW_STATS_REQUEST_FIXLEN);
1612 /* match */
1613 of10_match_print(ndo, "\n\t ", cp);
1614 OF_FWD(OF_MATCH_FIXLEN);
1615 /* table_id */
1616 ND_PRINT("\n\t table_id %s",
1617 tok2str(tableid_str, "%u", GET_U_1(cp)));
1618 OF_FWD(1);
1619 /* pad */
1620 OF_FWD(1);
1621 /* out_port */
1622 ND_PRINT(", out_port %s",
1623 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1624 return;
1625 case OFPST_PORT:
1626 ND_ICHECK_U(len, !=, OF_PORT_STATS_REQUEST_FIXLEN);
1627 /* port_no */
1628 ND_PRINT("\n\t port_no %s",
1629 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1630 OF_FWD(2);
1631 /* pad */
1632 /* Always the last field, check bounds. */
1633 OF_CHK_FWD(6);
1634 return;
1635 case OFPST_QUEUE:
1636 ND_ICHECK_U(len, !=, OF_QUEUE_STATS_REQUEST_FIXLEN);
1637 /* port_no */
1638 ND_PRINT("\n\t port_no %s",
1639 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1640 OF_FWD(2);
1641 /* pad */
1642 OF_FWD(2);
1643 /* queue_id */
1644 ND_PRINT(", queue_id %s",
1645 tok2str(ofpq_str, "%u", GET_BE_U_4(cp)));
1646 return;
1647 case OFPST_VENDOR:
1648 of10_vendor_data_print(ndo, cp, len);
1649 return;
1650 }
1651 return;
1652
1653 invalid: /* skip the message body */
1654 nd_print_invalid(ndo);
1655 ND_TCHECK_LEN(cp, len);
1656 }
1657
1658 /* ibid */
1659 static void
1660 of10_desc_stats_reply_print(netdissect_options *ndo,
1661 const u_char *cp, u_int len)
1662 {
1663 ND_PRINT("\n\t ");
1664 ND_ICHECK_U(len, !=, OF_DESC_STATS_REPLY_FIXLEN);
1665 /* mfr_desc */
1666 ND_PRINT(" mfr_desc '");
1667 nd_printjnp(ndo, cp, DESC_STR_LEN);
1668 ND_PRINT("'");
1669 OF_FWD(DESC_STR_LEN);
1670 /* hw_desc */
1671 ND_PRINT("\n\t hw_desc '");
1672 nd_printjnp(ndo, cp, DESC_STR_LEN);
1673 ND_PRINT("'");
1674 OF_FWD(DESC_STR_LEN);
1675 /* sw_desc */
1676 ND_PRINT("\n\t sw_desc '");
1677 nd_printjnp(ndo, cp, DESC_STR_LEN);
1678 ND_PRINT("'");
1679 OF_FWD(DESC_STR_LEN);
1680 /* serial_num */
1681 ND_PRINT("\n\t serial_num '");
1682 nd_printjnp(ndo, cp, SERIAL_NUM_LEN);
1683 ND_PRINT("'");
1684 OF_FWD(SERIAL_NUM_LEN);
1685 /* dp_desc */
1686 ND_PRINT("\n\t dp_desc '");
1687 nd_printjnp(ndo, cp, DESC_STR_LEN);
1688 ND_PRINT("'");
1689 return;
1690
1691 invalid: /* skip the message body */
1692 nd_print_invalid(ndo);
1693 ND_TCHECK_LEN(cp, len);
1694 }
1695
1696 /* ibid */
1697 static void
1698 of10_flow_stats_reply_print(netdissect_options *ndo,
1699 const u_char *cp, u_int len)
1700 {
1701 while (len) {
1702 uint16_t entry_len;
1703
1704 ND_PRINT("\n\t");
1705 ND_ICHECKMSG_U("remaining length", len, <, OF_FLOW_STATS_REPLY_MINLEN);
1706 /* length */
1707 entry_len = GET_BE_U_2(cp);
1708 ND_PRINT(" length %u", entry_len);
1709 ND_ICHECK_U(entry_len, <, OF_FLOW_STATS_REPLY_MINLEN);
1710 ND_ICHECK_U(entry_len, >, len);
1711 OF_FWD(2);
1712 /* table_id */
1713 ND_PRINT(", table_id %s",
1714 tok2str(tableid_str, "%u", GET_U_1(cp)));
1715 OF_FWD(1);
1716 /* pad */
1717 OF_FWD(1);
1718 /* match */
1719 of10_match_print(ndo, "\n\t ", cp);
1720 OF_FWD(OF_MATCH_FIXLEN);
1721 /* duration_sec */
1722 ND_PRINT("\n\t duration_sec %u", GET_BE_U_4(cp));
1723 OF_FWD(4);
1724 /* duration_nsec */
1725 ND_PRINT(", duration_nsec %u", GET_BE_U_4(cp));
1726 OF_FWD(4);
1727 /* priority */
1728 ND_PRINT(", priority %u", GET_BE_U_2(cp));
1729 OF_FWD(2);
1730 /* idle_timeout */
1731 ND_PRINT(", idle_timeout %u", GET_BE_U_2(cp));
1732 OF_FWD(2);
1733 /* hard_timeout */
1734 ND_PRINT(", hard_timeout %u", GET_BE_U_2(cp));
1735 OF_FWD(2);
1736 /* pad2 */
1737 OF_FWD(6);
1738 /* cookie */
1739 ND_PRINT(", cookie 0x%016" PRIx64, GET_BE_U_8(cp));
1740 OF_FWD(8);
1741 /* packet_count */
1742 ND_PRINT(", packet_count %" PRIu64, GET_BE_U_8(cp));
1743 OF_FWD(8);
1744 /* byte_count */
1745 ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
1746 OF_FWD(8);
1747 /* actions */
1748 of10_actions_print(ndo, "\n\t ", cp, entry_len - OF_FLOW_STATS_REPLY_MINLEN);
1749 OF_FWD(entry_len - OF_FLOW_STATS_REPLY_MINLEN);
1750 } /* while */
1751 return;
1752
1753 invalid: /* skip the rest of flow statistics entries */
1754 nd_print_invalid(ndo);
1755 ND_TCHECK_LEN(cp, len);
1756 }
1757
1758 /* ibid */
1759 static void
1760 of10_aggregate_stats_reply_print(netdissect_options *ndo,
1761 const u_char *cp, u_int len)
1762 {
1763 ND_PRINT("\n\t");
1764 ND_ICHECKMSG_U("remaining length", len, !=, OF_AGGREGATE_STATS_REPLY_FIXLEN);
1765 /* packet_count */
1766 ND_PRINT(" packet_count %" PRIu64, GET_BE_U_8(cp));
1767 OF_FWD(8);
1768 /* byte_count */
1769 ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
1770 OF_FWD(8);
1771 /* flow_count */
1772 ND_PRINT(", flow_count %u", GET_BE_U_4(cp));
1773 OF_FWD(4);
1774 /* pad */
1775 /* Always the last field, check bounds. */
1776 ND_TCHECK_4(cp);
1777 return;
1778
1779 invalid: /* skip the message body */
1780 nd_print_invalid(ndo);
1781 ND_TCHECK_LEN(cp, len);
1782 }
1783
1784 /* ibid */
1785 static void
1786 of10_table_stats_reply_print(netdissect_options *ndo,
1787 const u_char *cp, u_int len)
1788 {
1789 while (len) {
1790 ND_PRINT("\n\t");
1791 ND_ICHECKMSG_U("remaining length", len, <, OF_TABLE_STATS_REPLY_FIXLEN);
1792 /* table_id */
1793 ND_PRINT(" table_id %s",
1794 tok2str(tableid_str, "%u", GET_U_1(cp)));
1795 OF_FWD(1);
1796 /* pad */
1797 OF_FWD(3);
1798 /* name */
1799 ND_PRINT(", name '");
1800 nd_printjnp(ndo, cp, OFP_MAX_TABLE_NAME_LEN);
1801 ND_PRINT("'");
1802 OF_FWD(OFP_MAX_TABLE_NAME_LEN);
1803 /* wildcards */
1804 ND_PRINT("\n\t wildcards 0x%08x", GET_BE_U_4(cp));
1805 of_bitmap_print(ndo, ofpfw_bm, GET_BE_U_4(cp), OFPFW_U);
1806 OF_FWD(4);
1807 /* max_entries */
1808 ND_PRINT("\n\t max_entries %u", GET_BE_U_4(cp));
1809 OF_FWD(4);
1810 /* active_count */
1811 ND_PRINT(", active_count %u", GET_BE_U_4(cp));
1812 OF_FWD(4);
1813 /* lookup_count */
1814 ND_PRINT(", lookup_count %" PRIu64, GET_BE_U_8(cp));
1815 OF_FWD(8);
1816 /* matched_count */
1817 ND_PRINT(", matched_count %" PRIu64, GET_BE_U_8(cp));
1818 OF_FWD(8);
1819 } /* while */
1820 return;
1821
1822 invalid: /* skip the undersized trailing data */
1823 nd_print_invalid(ndo);
1824 ND_TCHECK_LEN(cp, len);
1825 }
1826
1827 /* ibid */
1828 static void
1829 of10_port_stats_reply_print(netdissect_options *ndo,
1830 const u_char *cp, u_int len)
1831 {
1832 while (len) {
1833 ND_PRINT("\n\t ");
1834 ND_ICHECKMSG_U("remaining length", len, <, OF_PORT_STATS_REPLY_FIXLEN);
1835 /* port_no */
1836 ND_PRINT(" port_no %s",
1837 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1838 OF_FWD(2);
1839 if (ndo->ndo_vflag < 2) {
1840 OF_CHK_FWD(OF_PORT_STATS_REPLY_FIXLEN - 2);
1841 continue;
1842 }
1843 /* pad */
1844 OF_FWD(6);
1845 /* rx_packets */
1846 ND_PRINT(", rx_packets %" PRIu64, GET_BE_U_8(cp));
1847 OF_FWD(8);
1848 /* tx_packets */
1849 ND_PRINT(", tx_packets %" PRIu64, GET_BE_U_8(cp));
1850 OF_FWD(8);
1851 /* rx_bytes */
1852 ND_PRINT(", rx_bytes %" PRIu64, GET_BE_U_8(cp));
1853 OF_FWD(8);
1854 /* tx_bytes */
1855 ND_PRINT(", tx_bytes %" PRIu64, GET_BE_U_8(cp));
1856 OF_FWD(8);
1857 /* rx_dropped */
1858 ND_PRINT(", rx_dropped %" PRIu64, GET_BE_U_8(cp));
1859 OF_FWD(8);
1860 /* tx_dropped */
1861 ND_PRINT(", tx_dropped %" PRIu64, GET_BE_U_8(cp));
1862 OF_FWD(8);
1863 /* rx_errors */
1864 ND_PRINT(", rx_errors %" PRIu64, GET_BE_U_8(cp));
1865 OF_FWD(8);
1866 /* tx_errors */
1867 ND_PRINT(", tx_errors %" PRIu64, GET_BE_U_8(cp));
1868 OF_FWD(8);
1869 /* rx_frame_err */
1870 ND_PRINT(", rx_frame_err %" PRIu64, GET_BE_U_8(cp));
1871 OF_FWD(8);
1872 /* rx_over_err */
1873 ND_PRINT(", rx_over_err %" PRIu64, GET_BE_U_8(cp));
1874 OF_FWD(8);
1875 /* rx_crc_err */
1876 ND_PRINT(", rx_crc_err %" PRIu64, GET_BE_U_8(cp));
1877 OF_FWD(8);
1878 /* collisions */
1879 ND_PRINT(", collisions %" PRIu64, GET_BE_U_8(cp));
1880 OF_FWD(8);
1881 } /* while */
1882 return;
1883
1884 invalid: /* skip the undersized trailing data */
1885 nd_print_invalid(ndo);
1886 ND_TCHECK_LEN(cp, len);
1887 }
1888
1889 /* ibid */
1890 static void
1891 of10_queue_stats_reply_print(netdissect_options *ndo,
1892 const u_char *cp, u_int len)
1893 {
1894 while (len) {
1895 ND_PRINT("\n\t ");
1896 ND_ICHECKMSG_U("remaining length", len, <, OF_QUEUE_STATS_REPLY_FIXLEN);
1897 /* port_no */
1898 ND_PRINT(" port_no %s",
1899 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1900 OF_FWD(2);
1901 /* pad */
1902 OF_FWD(2);
1903 /* queue_id */
1904 ND_PRINT(", queue_id %u", GET_BE_U_4(cp));
1905 OF_FWD(4);
1906 /* tx_bytes */
1907 ND_PRINT(", tx_bytes %" PRIu64, GET_BE_U_8(cp));
1908 OF_FWD(8);
1909 /* tx_packets */
1910 ND_PRINT(", tx_packets %" PRIu64, GET_BE_U_8(cp));
1911 OF_FWD(8);
1912 /* tx_errors */
1913 ND_PRINT(", tx_errors %" PRIu64, GET_BE_U_8(cp));
1914 OF_FWD(8);
1915 } /* while */
1916 return;
1917
1918 invalid: /* skip the undersized trailing data */
1919 nd_print_invalid(ndo);
1920 ND_TCHECK_LEN(cp, len);
1921 }
1922
1923 /* ibid */
1924 static void
1925 of10_stats_reply_print(netdissect_options *ndo,
1926 const u_char *cp, u_int len)
1927 {
1928 uint16_t type;
1929
1930 /* type */
1931 type = GET_BE_U_2(cp);
1932 ND_PRINT("\n\t type %s", tok2str(ofpst_str, "invalid (0x%04x)", type));
1933 OF_FWD(2);
1934 /* flags */
1935 ND_PRINT(", flags 0x%04x", GET_BE_U_2(cp));
1936 of_bitmap_print(ndo, ofpsf_reply_bm, GET_BE_U_2(cp), OFPSF_REPLY_U);
1937 OF_FWD(2);
1938
1939 if (ndo->ndo_vflag > 0) {
1940 void (*decoder)(netdissect_options *, const u_char *, u_int) =
1941 type == OFPST_DESC ? of10_desc_stats_reply_print :
1942 type == OFPST_FLOW ? of10_flow_stats_reply_print :
1943 type == OFPST_AGGREGATE ? of10_aggregate_stats_reply_print :
1944 type == OFPST_TABLE ? of10_table_stats_reply_print :
1945 type == OFPST_PORT ? of10_port_stats_reply_print :
1946 type == OFPST_QUEUE ? of10_queue_stats_reply_print :
1947 type == OFPST_VENDOR ? of10_vendor_data_print :
1948 NULL;
1949 if (decoder != NULL) {
1950 decoder(ndo, cp, len);
1951 return;
1952 }
1953 }
1954 ND_TCHECK_LEN(cp, len);
1955 }
1956
1957 /* [OF10] Section 5.3.6 */
1958 static void
1959 of10_packet_out_print(netdissect_options *ndo,
1960 const u_char *cp, u_int len)
1961 {
1962 uint16_t actions_len;
1963
1964 /* buffer_id */
1965 ND_PRINT("\n\t buffer_id 0x%08x", GET_BE_U_4(cp));
1966 OF_FWD(4);
1967 /* in_port */
1968 ND_PRINT(", in_port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1969 OF_FWD(2);
1970 /* actions_len */
1971 actions_len = GET_BE_U_2(cp);
1972 ND_PRINT(", actions_len %u", actions_len);
1973 OF_FWD(2);
1974 ND_ICHECK_U(actions_len, >, len);
1975 /* actions */
1976 of10_actions_print(ndo, "\n\t ", cp, actions_len);
1977 OF_FWD(actions_len);
1978 /* data */
1979 of10_packet_data_print(ndo, cp, len);
1980 return;
1981
1982 invalid: /* skip the rest of the message body */
1983 nd_print_invalid(ndo);
1984 ND_TCHECK_LEN(cp, len);
1985 }
1986
1987 /* [OF10] Section 5.4.1 */
1988 static void
1989 of10_packet_in_print(netdissect_options *ndo,
1990 const u_char *cp, u_int len)
1991 {
1992 /* buffer_id */
1993 ND_PRINT("\n\t buffer_id %s",
1994 tok2str(bufferid_str, "0x%08x", GET_BE_U_4(cp)));
1995 OF_FWD(4);
1996 /* total_len */
1997 ND_PRINT(", total_len %u", GET_BE_U_2(cp));
1998 OF_FWD(2);
1999 /* in_port */
2000 ND_PRINT(", in_port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
2001 OF_FWD(2);
2002 /* reason */
2003 ND_PRINT(", reason %s",
2004 tok2str(ofpr_str, "invalid (0x%02x)", GET_U_1(cp)));
2005 OF_FWD(1);
2006 /* pad */
2007 /* Sometimes the last field, check bounds. */
2008 OF_CHK_FWD(1);
2009 /* data */
2010 of10_packet_data_print(ndo, cp, len);
2011 }
2012
2013 /* [OF10] Section 5.4.2 */
2014 static void
2015 of10_flow_removed_print(netdissect_options *ndo,
2016 const u_char *cp, u_int len _U_)
2017 {
2018 /* match */
2019 of10_match_print(ndo, "\n\t ", cp);
2020 cp += OF_MATCH_FIXLEN;
2021 /* cookie */
2022 ND_PRINT("\n\t cookie 0x%016" PRIx64, GET_BE_U_8(cp));
2023 cp += 8;
2024 /* priority */
2025 if (GET_BE_U_2(cp))
2026 ND_PRINT(", priority %u", GET_BE_U_2(cp));
2027 cp += 2;
2028 /* reason */
2029 ND_PRINT(", reason %s",
2030 tok2str(ofprr_str, "unknown (0x%02x)", GET_U_1(cp)));
2031 cp += 1;
2032 /* pad */
2033 cp += 1;
2034 /* duration_sec */
2035 ND_PRINT(", duration_sec %u", GET_BE_U_4(cp));
2036 cp += 4;
2037 /* duration_nsec */
2038 ND_PRINT(", duration_nsec %u", GET_BE_U_4(cp));
2039 cp += 4;
2040 /* idle_timeout */
2041 if (GET_BE_U_2(cp))
2042 ND_PRINT(", idle_timeout %u", GET_BE_U_2(cp));
2043 cp += 2;
2044 /* pad2 */
2045 cp += 2;
2046 /* packet_count */
2047 ND_PRINT(", packet_count %" PRIu64, GET_BE_U_8(cp));
2048 cp += 8;
2049 /* byte_count */
2050 ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
2051 }
2052
2053 /* [OF10] Section 5.4.3 */
2054 static void
2055 of10_port_status_print(netdissect_options *ndo,
2056 const u_char *cp, u_int len _U_)
2057 {
2058 /* reason */
2059 ND_PRINT("\n\t reason %s",
2060 tok2str(ofppr_str, "invalid (0x%02x)", GET_U_1(cp)));
2061 cp += 1;
2062 /* pad */
2063 /* No need to check bounds, more data follows. */
2064 cp += 7;
2065 /* desc */
2066 of10_phy_port_print(ndo, cp);
2067 }
2068
2069 /* [OF10] Section 5.4.4 */
2070 static void
2071 of10_error_print(netdissect_options *ndo,
2072 const u_char *cp, u_int len)
2073 {
2074 uint16_t type, code;
2075 const struct tok *code_str;
2076
2077 /* type */
2078 type = GET_BE_U_2(cp);
2079 OF_FWD(2);
2080 ND_PRINT("\n\t type %s", tok2str(ofpet_str, "invalid (0x%04x)", type));
2081 /* code */
2082 code = GET_BE_U_2(cp);
2083 OF_FWD(2);
2084 code_str = uint2tokary(of10_ofpet2tokary, type);
2085 if (code_str != NULL)
2086 ND_PRINT(", code %s",
2087 tok2str(code_str, "invalid (0x%04x)", code));
2088 else
2089 ND_PRINT(", code invalid (0x%04x)", code);
2090 /* data */
2091 of_data_print(ndo, cp, len);
2092 }
2093
2094 static const struct of_msgtypeinfo of10_msgtypeinfo[OFPT_MAX + 1] = {
2095 /*
2096 * [OF10] Section 5.5.1
2097 * Variable-size data.
2098 */
2099 {
2100 "HELLO", of_data_print,
2101 REQ_MINLEN, 0
2102 },
2103 /*
2104 * [OF10] Section 5.4.4
2105 * A fixed-size message body and variable-size data.
2106 */
2107 {
2108 "ERROR", of10_error_print,
2109 REQ_MINLEN, OF_ERROR_MSG_MINLEN
2110 },
2111 /*
2112 * [OF10] Section 5.5.2
2113 * Variable-size data.
2114 */
2115 {
2116 "ECHO_REQUEST", of_data_print,
2117 REQ_MINLEN, 0
2118 },
2119 /*
2120 * [OF10] Section 5.5.3
2121 * Variable-size data.
2122 */
2123 {
2124 "ECHO_REPLY", of_data_print,
2125 REQ_MINLEN, 0
2126 },
2127 /*
2128 * [OF10] Section 5.5.4
2129 * A fixed-size message body and variable-size data.
2130 */
2131 {
2132 "VENDOR", of10_vendor_message_print,
2133 REQ_MINLEN, OF_VENDOR_MINLEN
2134 },
2135 /*
2136 * [OF10] Section 5.3.1
2137 * No message body.
2138 */
2139 {
2140 "FEATURES_REQUEST", NULL,
2141 REQ_FIXLEN, 0
2142 },
2143 /*
2144 * [OF10] Section 5.3.1
2145 * A fixed-size message body and n * fixed-size data units.
2146 */
2147 {
2148 "FEATURES_REPLY", of10_features_reply_print,
2149 REQ_MINLEN, OF_FEATURES_REPLY_MINLEN
2150 },
2151 /*
2152 * [OF10] Section 5.3.2
2153 * No message body.
2154 */
2155 {
2156 "GET_CONFIG_REQUEST", NULL,
2157 REQ_FIXLEN, 0
2158 },
2159 /*
2160 * [OF10] Section 5.3.2
2161 * A fixed-size message body.
2162 */
2163 {
2164 "GET_CONFIG_REPLY", of10_switch_config_msg_print,
2165 REQ_FIXLEN, OF_SWITCH_CONFIG_FIXLEN
2166 },
2167 /*
2168 * [OF10] Section 5.3.2
2169 * A fixed-size message body.
2170 */
2171 {
2172 "SET_CONFIG", of10_switch_config_msg_print,
2173 REQ_FIXLEN, OF_SWITCH_CONFIG_FIXLEN
2174 },
2175 /*
2176 * [OF10] Section 5.4.1
2177 * A fixed-size message body and variable-size data.
2178 * (The 2 mock octets count in OF_PACKET_IN_MINLEN only.)
2179 */
2180 {
2181 "PACKET_IN", of10_packet_in_print,
2182 REQ_MINLEN, OF_PACKET_IN_MINLEN - 2
2183 },
2184 /*
2185 * [OF10] Section 5.4.2
2186 * A fixed-size message body.
2187 */
2188 {
2189 "FLOW_REMOVED", of10_flow_removed_print,
2190 REQ_FIXLEN, OF_FLOW_REMOVED_FIXLEN
2191 },
2192 /*
2193 * [OF10] Section 5.4.3
2194 * A fixed-size message body.
2195 */
2196 {
2197 "PORT_STATUS", of10_port_status_print,
2198 REQ_FIXLEN, OF_PORT_STATUS_FIXLEN
2199 },
2200 /*
2201 * [OF10] Section 5.3.6
2202 * A fixed-size message body, n * variable-size data units and
2203 * variable-size data.
2204 */
2205 {
2206 "PACKET_OUT", of10_packet_out_print,
2207 REQ_MINLEN, OF_PACKET_OUT_MINLEN
2208 },
2209 /*
2210 * [OF10] Section 5.3.3
2211 * A fixed-size message body and n * variable-size data units.
2212 */
2213 {
2214 "FLOW_MOD", of10_flow_mod_print,
2215 REQ_MINLEN, OF_FLOW_MOD_MINLEN
2216 },
2217 /*
2218 * [OF10] Section 5.3.3
2219 * A fixed-size message body.
2220 */
2221 {
2222 "PORT_MOD", of10_port_mod_print,
2223 REQ_FIXLEN, OF_PORT_MOD_FIXLEN
2224 },
2225 /*
2226 * [OF10] Section 5.3.5
2227 * A fixed-size message body and possibly more data of varying size
2228 * and structure.
2229 */
2230 {
2231 "STATS_REQUEST", of10_stats_request_print,
2232 REQ_MINLEN, OF_STATS_REQUEST_MINLEN
2233 },
2234 /*
2235 * [OF10] Section 5.3.5
2236 * A fixed-size message body and possibly more data of varying size
2237 * and structure.
2238 */
2239 {
2240 "STATS_REPLY", of10_stats_reply_print,
2241 REQ_MINLEN, OF_STATS_REPLY_MINLEN
2242 },
2243 /*
2244 * [OF10] Section 5.3.7
2245 * No message body.
2246 */
2247 {
2248 "BARRIER_REQUEST", NULL,
2249 REQ_FIXLEN, 0
2250 },
2251 /*
2252 * [OF10] Section 5.3.7
2253 * No message body.
2254 */
2255 {
2256 "BARRIER_REPLY", NULL,
2257 REQ_FIXLEN, 0
2258 },
2259 /*
2260 * [OF10] Section 5.3.4
2261 * A fixed-size message body.
2262 */
2263 {
2264 "QUEUE_GET_CONFIG_REQUEST", of10_queue_get_config_request_print,
2265 REQ_FIXLEN, OF_QUEUE_GET_CONFIG_REQUEST_FIXLEN
2266 },
2267 /*
2268 * [OF10] Section 5.3.4
2269 * A fixed-size message body and n * variable-size data units.
2270 */
2271 {
2272 "QUEUE_GET_CONFIG_REPLY", of10_queue_get_config_reply_print,
2273 REQ_MINLEN, OF_QUEUE_GET_CONFIG_REPLY_MINLEN
2274 },
2275 };
2276
2277 const struct of_msgtypeinfo *
2278 of10_identify_msgtype(const uint8_t type)
2279 {
2280 return type <= OFPT_MAX ? &of10_msgtypeinfo[type] : NULL;
2281 }
[mirror] the TCPdump network dissector