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[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 }
1269 else
1270 ND_TCHECK_2(cp);
1271 }
1272
1273 /* [OF10] Section 5.2.4 */
1274 static void
1275 of10_actions_print(netdissect_options *ndo,
1276 const char *pfx, const u_char *cp, u_int len)
1277 {
1278 while (len) {
1279 uint16_t type, alen, output_port;
1280 u_char alen_bogus = 0, skip = 0;
1281
1282 ND_PRINT("%saction", pfx);
1283 ND_ICHECKMSG_U("remaining length", len, <, OF_ACTION_MINLEN);
1284 /* type */
1285 type = GET_BE_U_2(cp);
1286 OF_FWD(2);
1287 ND_PRINT(" type %s", tok2str(ofpat_str, "invalid (0x%04x)", type));
1288 /* length */
1289 alen = GET_BE_U_2(cp);
1290 OF_FWD(2);
1291 ND_PRINT(", len %u", alen);
1292 /*
1293 * The 4-byte "pad" in the specification is not a field of the
1294 * action header, but a placeholder to illustrate the 64-bit
1295 * alignment requirement. Action type specific case blocks
1296 * below fetch these 4 bytes.
1297 */
1298
1299 /* On action size underrun/overrun skip the rest of the action list. */
1300 ND_ICHECK_U(alen, <, OF_ACTION_MINLEN);
1301 ND_ICHECK_U(alen, >, len + 4);
1302 /*
1303 * After validating the basic length constraint it will be safe
1304 * to skip the current action if the action size is not valid
1305 * for the type or the type is invalid.
1306 */
1307 switch (type) {
1308 case OFPAT_OUTPUT:
1309 case OFPAT_SET_VLAN_VID:
1310 case OFPAT_SET_VLAN_PCP:
1311 case OFPAT_STRIP_VLAN:
1312 case OFPAT_SET_NW_SRC:
1313 case OFPAT_SET_NW_DST:
1314 case OFPAT_SET_NW_TOS:
1315 case OFPAT_SET_TP_SRC:
1316 case OFPAT_SET_TP_DST:
1317 alen_bogus = alen != 8;
1318 break;
1319 case OFPAT_SET_DL_SRC:
1320 case OFPAT_SET_DL_DST:
1321 case OFPAT_ENQUEUE:
1322 alen_bogus = alen != 16;
1323 break;
1324 case OFPAT_VENDOR:
1325 alen_bogus = alen % 8 != 0; /* already >= 8 so far */
1326 break;
1327 default:
1328 skip = 1;
1329 }
1330 if (alen_bogus) {
1331 ND_PRINT(" (bogus)");
1332 skip = 1;
1333 }
1334 if (skip) {
1335 /*
1336 * alen >= OF_ACTION_MINLEN
1337 * cp is 4 bytes in
1338 */
1339 OF_CHK_FWD(alen - 4);
1340 continue;
1341 }
1342 /* OK to decode the rest of the action structure */
1343 switch (type) {
1344 case OFPAT_OUTPUT:
1345 /* port */
1346 output_port = GET_BE_U_2(cp);
1347 OF_FWD(2);
1348 ND_PRINT(", port %s", tok2str(ofpp_str, "%u", output_port));
1349 /* max_len */
1350 if (output_port == OFPP_CONTROLLER)
1351 ND_PRINT(", max_len %u", GET_BE_U_2(cp));
1352 else
1353 ND_TCHECK_2(cp);
1354 OF_FWD(2);
1355 break;
1356 case OFPAT_SET_VLAN_VID:
1357 /* vlan_vid */
1358 ND_PRINT(", vlan_vid %s", vlan_str(GET_BE_U_2(cp)));
1359 OF_FWD(2);
1360 /* pad */
1361 /* Sometimes the last field, check bounds. */
1362 OF_CHK_FWD(2);
1363 break;
1364 case OFPAT_SET_VLAN_PCP:
1365 /* vlan_pcp */
1366 ND_PRINT(", vlan_pcp %s", pcp_str(GET_U_1(cp)));
1367 OF_FWD(1);
1368 /* pad */
1369 /* Sometimes the last field, check bounds. */
1370 OF_CHK_FWD(3);
1371 break;
1372 case OFPAT_SET_DL_SRC:
1373 case OFPAT_SET_DL_DST:
1374 /* dl_addr */
1375 ND_PRINT(", dl_addr %s", GET_ETHERADDR_STRING(cp));
1376 OF_FWD(MAC_ADDR_LEN);
1377 /* pad */
1378 /* Sometimes the last field, check bounds. */
1379 OF_CHK_FWD(6);
1380 break;
1381 case OFPAT_SET_NW_SRC:
1382 case OFPAT_SET_NW_DST:
1383 /* nw_addr */
1384 ND_PRINT(", nw_addr %s", GET_IPADDR_STRING(cp));
1385 OF_FWD(4);
1386 break;
1387 case OFPAT_SET_NW_TOS:
1388 /* nw_tos */
1389 ND_PRINT(", nw_tos 0x%02x", GET_U_1(cp));
1390 OF_FWD(1);
1391 /* pad */
1392 /* Sometimes the last field, check bounds. */
1393 OF_CHK_FWD(3);
1394 break;
1395 case OFPAT_SET_TP_SRC:
1396 case OFPAT_SET_TP_DST:
1397 /* nw_tos */
1398 ND_PRINT(", tp_port %u", GET_BE_U_2(cp));
1399 OF_FWD(2);
1400 /* pad */
1401 /* Sometimes the last field, check bounds. */
1402 OF_CHK_FWD(2);
1403 break;
1404 case OFPAT_ENQUEUE:
1405 /* port */
1406 ND_PRINT(", port %s",
1407 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1408 OF_FWD(2);
1409 /* pad */
1410 OF_FWD(6);
1411 /* queue_id */
1412 ND_PRINT(", queue_id %s",
1413 tok2str(ofpq_str, "%u", GET_BE_U_4(cp)));
1414 OF_FWD(4);
1415 break;
1416 case OFPAT_VENDOR:
1417 of10_vendor_action_print(ndo, cp, alen - 4);
1418 OF_FWD(alen - 4);
1419 break;
1420 case OFPAT_STRIP_VLAN:
1421 /* pad */
1422 /* Sometimes the last field, check bounds. */
1423 OF_CHK_FWD(4);
1424 break;
1425 } /* switch */
1426 } /* while */
1427 return;
1428
1429 invalid: /* skip the rest of actions */
1430 nd_print_invalid(ndo);
1431 ND_TCHECK_LEN(cp, len);
1432 }
1433
1434 /* [OF10] Section 5.3.1 */
1435 static void
1436 of10_features_reply_print(netdissect_options *ndo,
1437 const u_char *cp, u_int len)
1438 {
1439 /* datapath_id */
1440 ND_PRINT("\n\t dpid 0x%016" PRIx64, GET_BE_U_8(cp));
1441 OF_FWD(8);
1442 /* n_buffers */
1443 ND_PRINT(", n_buffers %u", GET_BE_U_4(cp));
1444 OF_FWD(4);
1445 /* n_tables */
1446 ND_PRINT(", n_tables %u", GET_U_1(cp));
1447 OF_FWD(1);
1448 /* pad */
1449 OF_FWD(3);
1450 /* capabilities */
1451 ND_PRINT("\n\t capabilities 0x%08x", GET_BE_U_4(cp));
1452 of_bitmap_print(ndo, ofp_capabilities_bm, GET_BE_U_4(cp), OFPCAP_U);
1453 OF_FWD(4);
1454 /* actions */
1455 ND_PRINT("\n\t actions 0x%08x", GET_BE_U_4(cp));
1456 of_bitmap_print(ndo, ofpat_bm, GET_BE_U_4(cp), OFPAT_U);
1457 OF_FWD(4);
1458 /* ports */
1459 while (len) {
1460 ND_ICHECKMSG_U("\n\t port def. length", len, <, OF_PHY_PORT_FIXLEN);
1461 of10_phy_port_print(ndo, cp);
1462 OF_FWD(OF_PHY_PORT_FIXLEN);
1463 }
1464 return;
1465
1466 invalid: /* skip the undersized trailing data */
1467 nd_print_invalid(ndo);
1468 ND_TCHECK_LEN(cp, len);
1469 }
1470
1471 /* [OF10] Section 5.3.2 */
1472 static void
1473 of10_switch_config_msg_print(netdissect_options *ndo,
1474 const u_char *cp, u_int len _U_)
1475 {
1476 /* flags */
1477 ND_PRINT("\n\t flags %s",
1478 tok2str(ofp_config_str, "invalid (0x%04x)", GET_BE_U_2(cp)));
1479 cp += 2;
1480 /* miss_send_len */
1481 ND_PRINT(", miss_send_len %u", GET_BE_U_2(cp));
1482 }
1483
1484 /* [OF10] Section 5.3.3 */
1485 static void
1486 of10_flow_mod_print(netdissect_options *ndo,
1487 const u_char *cp, u_int len)
1488 {
1489 uint16_t command;
1490
1491 /* match */
1492 of10_match_print(ndo, "\n\t ", cp);
1493 OF_FWD(OF_MATCH_FIXLEN);
1494 /* cookie */
1495 ND_PRINT("\n\t cookie 0x%016" PRIx64, GET_BE_U_8(cp));
1496 OF_FWD(8);
1497 /* command */
1498 command = GET_BE_U_2(cp);
1499 ND_PRINT(", command %s", tok2str(ofpfc_str, "invalid (0x%04x)", command));
1500 OF_FWD(2);
1501 /* idle_timeout */
1502 if (GET_BE_U_2(cp))
1503 ND_PRINT(", idle_timeout %u", GET_BE_U_2(cp));
1504 OF_FWD(2);
1505 /* hard_timeout */
1506 if (GET_BE_U_2(cp))
1507 ND_PRINT(", hard_timeout %u", GET_BE_U_2(cp));
1508 OF_FWD(2);
1509 /* priority */
1510 if (GET_BE_U_2(cp))
1511 ND_PRINT(", priority %u", GET_BE_U_2(cp));
1512 OF_FWD(2);
1513 /* buffer_id */
1514 if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
1515 command == OFPFC_MODIFY_STRICT)
1516 ND_PRINT(", buffer_id %s",
1517 tok2str(bufferid_str, "0x%08x", GET_BE_U_4(cp)));
1518 OF_FWD(4);
1519 /* out_port */
1520 if (command == OFPFC_DELETE || command == OFPFC_DELETE_STRICT)
1521 ND_PRINT(", out_port %s",
1522 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1523 OF_FWD(2);
1524 /* flags */
1525 ND_PRINT(", flags 0x%04x", GET_BE_U_2(cp));
1526 of_bitmap_print(ndo, ofpff_bm, GET_BE_U_2(cp), OFPFF_U);
1527 OF_FWD(2);
1528 /* actions */
1529 of10_actions_print(ndo, "\n\t ", cp, len);
1530 }
1531
1532 /* ibid */
1533 static void
1534 of10_port_mod_print(netdissect_options *ndo,
1535 const u_char *cp, u_int len _U_)
1536 {
1537 /* port_no */
1538 ND_PRINT("\n\t port_no %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1539 cp += 2;
1540 /* hw_addr */
1541 ND_PRINT(", hw_addr %s", GET_ETHERADDR_STRING(cp));
1542 cp += MAC_ADDR_LEN;
1543 /* config */
1544 ND_PRINT("\n\t config 0x%08x", GET_BE_U_4(cp));
1545 of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
1546 cp += 4;
1547 /* mask */
1548 ND_PRINT("\n\t mask 0x%08x", GET_BE_U_4(cp));
1549 of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
1550 cp += 4;
1551 /* advertise */
1552 ND_PRINT("\n\t advertise 0x%08x", GET_BE_U_4(cp));
1553 of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
1554 cp += 4;
1555 /* pad */
1556 /* Always the last field, check bounds. */
1557 ND_TCHECK_4(cp);
1558 }
1559
1560 /* [OF10] Section 5.3.4 */
1561 static void
1562 of10_queue_get_config_request_print(netdissect_options *ndo,
1563 const u_char *cp, u_int len _U_)
1564 {
1565 /* port */
1566 ND_PRINT("\n\t port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1567 cp += 2;
1568 /* pad */
1569 /* Always the last field, check bounds. */
1570 ND_TCHECK_2(cp);
1571 }
1572
1573 /* ibid */
1574 static void
1575 of10_queue_get_config_reply_print(netdissect_options *ndo,
1576 const u_char *cp, u_int len)
1577 {
1578 /* port */
1579 ND_PRINT("\n\t port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1580 OF_FWD(2);
1581 /* pad */
1582 /* Sometimes the last field, check bounds. */
1583 OF_CHK_FWD(6);
1584 /* queues */
1585 of10_queues_print(ndo, cp, len);
1586 }
1587
1588 /* [OF10] Section 5.3.5 */
1589 static void
1590 of10_stats_request_print(netdissect_options *ndo,
1591 const u_char *cp, u_int len)
1592 {
1593 uint16_t type;
1594
1595 /* type */
1596 type = GET_BE_U_2(cp);
1597 OF_FWD(2);
1598 ND_PRINT("\n\t type %s", tok2str(ofpst_str, "invalid (0x%04x)", type));
1599 /* flags */
1600 ND_PRINT(", flags 0x%04x", GET_BE_U_2(cp));
1601 if (GET_BE_U_2(cp))
1602 ND_PRINT(" (bogus)");
1603 OF_FWD(2);
1604 /* type-specific body of one of fixed lengths */
1605 switch(type) {
1606 case OFPST_DESC:
1607 case OFPST_TABLE:
1608 ND_ICHECK_U(len, !=, 0);
1609 return;
1610 case OFPST_FLOW:
1611 case OFPST_AGGREGATE:
1612 ND_ICHECK_U(len, !=, OF_FLOW_STATS_REQUEST_FIXLEN);
1613 /* match */
1614 of10_match_print(ndo, "\n\t ", cp);
1615 OF_FWD(OF_MATCH_FIXLEN);
1616 /* table_id */
1617 ND_PRINT("\n\t table_id %s",
1618 tok2str(tableid_str, "%u", GET_U_1(cp)));
1619 OF_FWD(1);
1620 /* pad */
1621 OF_FWD(1);
1622 /* out_port */
1623 ND_PRINT(", out_port %s",
1624 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1625 return;
1626 case OFPST_PORT:
1627 ND_ICHECK_U(len, !=, OF_PORT_STATS_REQUEST_FIXLEN);
1628 /* port_no */
1629 ND_PRINT("\n\t port_no %s",
1630 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1631 OF_FWD(2);
1632 /* pad */
1633 /* Always the last field, check bounds. */
1634 OF_CHK_FWD(6);
1635 return;
1636 case OFPST_QUEUE:
1637 ND_ICHECK_U(len, !=, OF_QUEUE_STATS_REQUEST_FIXLEN);
1638 /* port_no */
1639 ND_PRINT("\n\t port_no %s",
1640 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1641 OF_FWD(2);
1642 /* pad */
1643 OF_FWD(2);
1644 /* queue_id */
1645 ND_PRINT(", queue_id %s",
1646 tok2str(ofpq_str, "%u", GET_BE_U_4(cp)));
1647 return;
1648 case OFPST_VENDOR:
1649 of10_vendor_data_print(ndo, cp, len);
1650 return;
1651 }
1652 return;
1653
1654 invalid: /* skip the message body */
1655 nd_print_invalid(ndo);
1656 ND_TCHECK_LEN(cp, len);
1657 }
1658
1659 /* ibid */
1660 static void
1661 of10_desc_stats_reply_print(netdissect_options *ndo,
1662 const u_char *cp, u_int len)
1663 {
1664 ND_PRINT("\n\t ");
1665 ND_ICHECK_U(len, !=, OF_DESC_STATS_REPLY_FIXLEN);
1666 /* mfr_desc */
1667 ND_PRINT(" mfr_desc '");
1668 nd_printjnp(ndo, cp, DESC_STR_LEN);
1669 ND_PRINT("'");
1670 OF_FWD(DESC_STR_LEN);
1671 /* hw_desc */
1672 ND_PRINT("\n\t hw_desc '");
1673 nd_printjnp(ndo, cp, DESC_STR_LEN);
1674 ND_PRINT("'");
1675 OF_FWD(DESC_STR_LEN);
1676 /* sw_desc */
1677 ND_PRINT("\n\t sw_desc '");
1678 nd_printjnp(ndo, cp, DESC_STR_LEN);
1679 ND_PRINT("'");
1680 OF_FWD(DESC_STR_LEN);
1681 /* serial_num */
1682 ND_PRINT("\n\t serial_num '");
1683 nd_printjnp(ndo, cp, SERIAL_NUM_LEN);
1684 ND_PRINT("'");
1685 OF_FWD(SERIAL_NUM_LEN);
1686 /* dp_desc */
1687 ND_PRINT("\n\t dp_desc '");
1688 nd_printjnp(ndo, cp, DESC_STR_LEN);
1689 ND_PRINT("'");
1690 return;
1691
1692 invalid: /* skip the message body */
1693 nd_print_invalid(ndo);
1694 ND_TCHECK_LEN(cp, len);
1695 }
1696
1697 /* ibid */
1698 static void
1699 of10_flow_stats_reply_print(netdissect_options *ndo,
1700 const u_char *cp, u_int len)
1701 {
1702 while (len) {
1703 uint16_t entry_len;
1704
1705 ND_PRINT("\n\t");
1706 ND_ICHECKMSG_U("remaining length", len, <, OF_FLOW_STATS_REPLY_MINLEN);
1707 /* length */
1708 entry_len = GET_BE_U_2(cp);
1709 ND_PRINT(" length %u", entry_len);
1710 ND_ICHECK_U(entry_len, <, OF_FLOW_STATS_REPLY_MINLEN);
1711 ND_ICHECK_U(entry_len, >, len);
1712 OF_FWD(2);
1713 /* table_id */
1714 ND_PRINT(", table_id %s",
1715 tok2str(tableid_str, "%u", GET_U_1(cp)));
1716 OF_FWD(1);
1717 /* pad */
1718 OF_FWD(1);
1719 /* match */
1720 of10_match_print(ndo, "\n\t ", cp);
1721 OF_FWD(OF_MATCH_FIXLEN);
1722 /* duration_sec */
1723 ND_PRINT("\n\t duration_sec %u", GET_BE_U_4(cp));
1724 OF_FWD(4);
1725 /* duration_nsec */
1726 ND_PRINT(", duration_nsec %u", GET_BE_U_4(cp));
1727 OF_FWD(4);
1728 /* priority */
1729 ND_PRINT(", priority %u", GET_BE_U_2(cp));
1730 OF_FWD(2);
1731 /* idle_timeout */
1732 ND_PRINT(", idle_timeout %u", GET_BE_U_2(cp));
1733 OF_FWD(2);
1734 /* hard_timeout */
1735 ND_PRINT(", hard_timeout %u", GET_BE_U_2(cp));
1736 OF_FWD(2);
1737 /* pad2 */
1738 OF_FWD(6);
1739 /* cookie */
1740 ND_PRINT(", cookie 0x%016" PRIx64, GET_BE_U_8(cp));
1741 OF_FWD(8);
1742 /* packet_count */
1743 ND_PRINT(", packet_count %" PRIu64, GET_BE_U_8(cp));
1744 OF_FWD(8);
1745 /* byte_count */
1746 ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
1747 OF_FWD(8);
1748 /* actions */
1749 of10_actions_print(ndo, "\n\t ", cp, entry_len - OF_FLOW_STATS_REPLY_MINLEN);
1750 OF_FWD(entry_len - OF_FLOW_STATS_REPLY_MINLEN);
1751 } /* while */
1752 return;
1753
1754 invalid: /* skip the rest of flow statistics entries */
1755 nd_print_invalid(ndo);
1756 ND_TCHECK_LEN(cp, len);
1757 }
1758
1759 /* ibid */
1760 static void
1761 of10_aggregate_stats_reply_print(netdissect_options *ndo,
1762 const u_char *cp, u_int len)
1763 {
1764 ND_PRINT("\n\t");
1765 ND_ICHECKMSG_U("remaining length", len, !=, OF_AGGREGATE_STATS_REPLY_FIXLEN);
1766 /* packet_count */
1767 ND_PRINT(" packet_count %" PRIu64, GET_BE_U_8(cp));
1768 OF_FWD(8);
1769 /* byte_count */
1770 ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
1771 OF_FWD(8);
1772 /* flow_count */
1773 ND_PRINT(", flow_count %u", GET_BE_U_4(cp));
1774 OF_FWD(4);
1775 /* pad */
1776 /* Always the last field, check bounds. */
1777 ND_TCHECK_4(cp);
1778 return;
1779
1780 invalid: /* skip the message body */
1781 nd_print_invalid(ndo);
1782 ND_TCHECK_LEN(cp, len);
1783 }
1784
1785 /* ibid */
1786 static void
1787 of10_table_stats_reply_print(netdissect_options *ndo,
1788 const u_char *cp, u_int len)
1789 {
1790 while (len) {
1791 ND_PRINT("\n\t");
1792 ND_ICHECKMSG_U("remaining length", len, <, OF_TABLE_STATS_REPLY_FIXLEN);
1793 /* table_id */
1794 ND_PRINT(" table_id %s",
1795 tok2str(tableid_str, "%u", GET_U_1(cp)));
1796 OF_FWD(1);
1797 /* pad */
1798 OF_FWD(3);
1799 /* name */
1800 ND_PRINT(", name '");
1801 nd_printjnp(ndo, cp, OFP_MAX_TABLE_NAME_LEN);
1802 ND_PRINT("'");
1803 OF_FWD(OFP_MAX_TABLE_NAME_LEN);
1804 /* wildcards */
1805 ND_PRINT("\n\t wildcards 0x%08x", GET_BE_U_4(cp));
1806 of_bitmap_print(ndo, ofpfw_bm, GET_BE_U_4(cp), OFPFW_U);
1807 OF_FWD(4);
1808 /* max_entries */
1809 ND_PRINT("\n\t max_entries %u", GET_BE_U_4(cp));
1810 OF_FWD(4);
1811 /* active_count */
1812 ND_PRINT(", active_count %u", GET_BE_U_4(cp));
1813 OF_FWD(4);
1814 /* lookup_count */
1815 ND_PRINT(", lookup_count %" PRIu64, GET_BE_U_8(cp));
1816 OF_FWD(8);
1817 /* matched_count */
1818 ND_PRINT(", matched_count %" PRIu64, GET_BE_U_8(cp));
1819 OF_FWD(8);
1820 } /* while */
1821 return;
1822
1823 invalid: /* skip the undersized trailing data */
1824 nd_print_invalid(ndo);
1825 ND_TCHECK_LEN(cp, len);
1826 }
1827
1828 /* ibid */
1829 static void
1830 of10_port_stats_reply_print(netdissect_options *ndo,
1831 const u_char *cp, u_int len)
1832 {
1833 while (len) {
1834 ND_PRINT("\n\t ");
1835 ND_ICHECKMSG_U("remaining length", len, <, OF_PORT_STATS_REPLY_FIXLEN);
1836 /* port_no */
1837 ND_PRINT(" port_no %s",
1838 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1839 OF_FWD(2);
1840 if (ndo->ndo_vflag < 2) {
1841 OF_CHK_FWD(OF_PORT_STATS_REPLY_FIXLEN - 2);
1842 continue;
1843 }
1844 /* pad */
1845 OF_FWD(6);
1846 /* rx_packets */
1847 ND_PRINT(", rx_packets %" PRIu64, GET_BE_U_8(cp));
1848 OF_FWD(8);
1849 /* tx_packets */
1850 ND_PRINT(", tx_packets %" PRIu64, GET_BE_U_8(cp));
1851 OF_FWD(8);
1852 /* rx_bytes */
1853 ND_PRINT(", rx_bytes %" PRIu64, GET_BE_U_8(cp));
1854 OF_FWD(8);
1855 /* tx_bytes */
1856 ND_PRINT(", tx_bytes %" PRIu64, GET_BE_U_8(cp));
1857 OF_FWD(8);
1858 /* rx_dropped */
1859 ND_PRINT(", rx_dropped %" PRIu64, GET_BE_U_8(cp));
1860 OF_FWD(8);
1861 /* tx_dropped */
1862 ND_PRINT(", tx_dropped %" PRIu64, GET_BE_U_8(cp));
1863 OF_FWD(8);
1864 /* rx_errors */
1865 ND_PRINT(", rx_errors %" PRIu64, GET_BE_U_8(cp));
1866 OF_FWD(8);
1867 /* tx_errors */
1868 ND_PRINT(", tx_errors %" PRIu64, GET_BE_U_8(cp));
1869 OF_FWD(8);
1870 /* rx_frame_err */
1871 ND_PRINT(", rx_frame_err %" PRIu64, GET_BE_U_8(cp));
1872 OF_FWD(8);
1873 /* rx_over_err */
1874 ND_PRINT(", rx_over_err %" PRIu64, GET_BE_U_8(cp));
1875 OF_FWD(8);
1876 /* rx_crc_err */
1877 ND_PRINT(", rx_crc_err %" PRIu64, GET_BE_U_8(cp));
1878 OF_FWD(8);
1879 /* collisions */
1880 ND_PRINT(", collisions %" PRIu64, GET_BE_U_8(cp));
1881 OF_FWD(8);
1882 } /* while */
1883 return;
1884
1885 invalid: /* skip the undersized trailing data */
1886 nd_print_invalid(ndo);
1887 ND_TCHECK_LEN(cp, len);
1888 }
1889
1890 /* ibid */
1891 static void
1892 of10_queue_stats_reply_print(netdissect_options *ndo,
1893 const u_char *cp, u_int len)
1894 {
1895 while (len) {
1896 ND_PRINT("\n\t ");
1897 ND_ICHECKMSG_U("remaining length", len, <, OF_QUEUE_STATS_REPLY_FIXLEN);
1898 /* port_no */
1899 ND_PRINT(" port_no %s",
1900 tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1901 OF_FWD(2);
1902 /* pad */
1903 OF_FWD(2);
1904 /* queue_id */
1905 ND_PRINT(", queue_id %u", GET_BE_U_4(cp));
1906 OF_FWD(4);
1907 /* tx_bytes */
1908 ND_PRINT(", tx_bytes %" PRIu64, GET_BE_U_8(cp));
1909 OF_FWD(8);
1910 /* tx_packets */
1911 ND_PRINT(", tx_packets %" PRIu64, GET_BE_U_8(cp));
1912 OF_FWD(8);
1913 /* tx_errors */
1914 ND_PRINT(", tx_errors %" PRIu64, GET_BE_U_8(cp));
1915 OF_FWD(8);
1916 } /* while */
1917 return;
1918
1919 invalid: /* skip the undersized trailing data */
1920 nd_print_invalid(ndo);
1921 ND_TCHECK_LEN(cp, len);
1922 }
1923
1924 /* ibid */
1925 static void
1926 of10_stats_reply_print(netdissect_options *ndo,
1927 const u_char *cp, u_int len)
1928 {
1929 uint16_t type;
1930
1931 /* type */
1932 type = GET_BE_U_2(cp);
1933 ND_PRINT("\n\t type %s", tok2str(ofpst_str, "invalid (0x%04x)", type));
1934 OF_FWD(2);
1935 /* flags */
1936 ND_PRINT(", flags 0x%04x", GET_BE_U_2(cp));
1937 of_bitmap_print(ndo, ofpsf_reply_bm, GET_BE_U_2(cp), OFPSF_REPLY_U);
1938 OF_FWD(2);
1939
1940 if (ndo->ndo_vflag > 0) {
1941 void (*decoder)(netdissect_options *, const u_char *, u_int) =
1942 type == OFPST_DESC ? of10_desc_stats_reply_print :
1943 type == OFPST_FLOW ? of10_flow_stats_reply_print :
1944 type == OFPST_AGGREGATE ? of10_aggregate_stats_reply_print :
1945 type == OFPST_TABLE ? of10_table_stats_reply_print :
1946 type == OFPST_PORT ? of10_port_stats_reply_print :
1947 type == OFPST_QUEUE ? of10_queue_stats_reply_print :
1948 type == OFPST_VENDOR ? of10_vendor_data_print :
1949 NULL;
1950 if (decoder != NULL) {
1951 decoder(ndo, cp, len);
1952 return;
1953 }
1954 }
1955 ND_TCHECK_LEN(cp, len);
1956 }
1957
1958 /* [OF10] Section 5.3.6 */
1959 static void
1960 of10_packet_out_print(netdissect_options *ndo,
1961 const u_char *cp, u_int len)
1962 {
1963 uint16_t actions_len;
1964
1965 /* buffer_id */
1966 ND_PRINT("\n\t buffer_id 0x%08x", GET_BE_U_4(cp));
1967 OF_FWD(4);
1968 /* in_port */
1969 ND_PRINT(", in_port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
1970 OF_FWD(2);
1971 /* actions_len */
1972 actions_len = GET_BE_U_2(cp);
1973 ND_PRINT(", actions_len %u", actions_len);
1974 OF_FWD(2);
1975 ND_ICHECK_U(actions_len, >, len);
1976 /* actions */
1977 of10_actions_print(ndo, "\n\t ", cp, actions_len);
1978 OF_FWD(actions_len);
1979 /* data */
1980 of10_packet_data_print(ndo, cp, len);
1981 return;
1982
1983 invalid: /* skip the rest of the message body */
1984 nd_print_invalid(ndo);
1985 ND_TCHECK_LEN(cp, len);
1986 }
1987
1988 /* [OF10] Section 5.4.1 */
1989 static void
1990 of10_packet_in_print(netdissect_options *ndo,
1991 const u_char *cp, u_int len)
1992 {
1993 /* buffer_id */
1994 ND_PRINT("\n\t buffer_id %s",
1995 tok2str(bufferid_str, "0x%08x", GET_BE_U_4(cp)));
1996 OF_FWD(4);
1997 /* total_len */
1998 ND_PRINT(", total_len %u", GET_BE_U_2(cp));
1999 OF_FWD(2);
2000 /* in_port */
2001 ND_PRINT(", in_port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
2002 OF_FWD(2);
2003 /* reason */
2004 ND_PRINT(", reason %s",
2005 tok2str(ofpr_str, "invalid (0x%02x)", GET_U_1(cp)));
2006 OF_FWD(1);
2007 /* pad */
2008 /* Sometimes the last field, check bounds. */
2009 OF_CHK_FWD(1);
2010 /* data */
2011 of10_packet_data_print(ndo, cp, len);
2012 }
2013
2014 /* [OF10] Section 5.4.2 */
2015 static void
2016 of10_flow_removed_print(netdissect_options *ndo,
2017 const u_char *cp, u_int len _U_)
2018 {
2019 /* match */
2020 of10_match_print(ndo, "\n\t ", cp);
2021 cp += OF_MATCH_FIXLEN;
2022 /* cookie */
2023 ND_PRINT("\n\t cookie 0x%016" PRIx64, GET_BE_U_8(cp));
2024 cp += 8;
2025 /* priority */
2026 if (GET_BE_U_2(cp))
2027 ND_PRINT(", priority %u", GET_BE_U_2(cp));
2028 cp += 2;
2029 /* reason */
2030 ND_PRINT(", reason %s",
2031 tok2str(ofprr_str, "unknown (0x%02x)", GET_U_1(cp)));
2032 cp += 1;
2033 /* pad */
2034 cp += 1;
2035 /* duration_sec */
2036 ND_PRINT(", duration_sec %u", GET_BE_U_4(cp));
2037 cp += 4;
2038 /* duration_nsec */
2039 ND_PRINT(", duration_nsec %u", GET_BE_U_4(cp));
2040 cp += 4;
2041 /* idle_timeout */
2042 if (GET_BE_U_2(cp))
2043 ND_PRINT(", idle_timeout %u", GET_BE_U_2(cp));
2044 cp += 2;
2045 /* pad2 */
2046 cp += 2;
2047 /* packet_count */
2048 ND_PRINT(", packet_count %" PRIu64, GET_BE_U_8(cp));
2049 cp += 8;
2050 /* byte_count */
2051 ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
2052 }
2053
2054 /* [OF10] Section 5.4.3 */
2055 static void
2056 of10_port_status_print(netdissect_options *ndo,
2057 const u_char *cp, u_int len _U_)
2058 {
2059 /* reason */
2060 ND_PRINT("\n\t reason %s",
2061 tok2str(ofppr_str, "invalid (0x%02x)", GET_U_1(cp)));
2062 cp += 1;
2063 /* pad */
2064 /* No need to check bounds, more data follows. */
2065 cp += 7;
2066 /* desc */
2067 of10_phy_port_print(ndo, cp);
2068 }
2069
2070 /* [OF10] Section 5.4.4 */
2071 static void
2072 of10_error_print(netdissect_options *ndo,
2073 const u_char *cp, u_int len)
2074 {
2075 uint16_t type, code;
2076 const struct tok *code_str;
2077
2078 /* type */
2079 type = GET_BE_U_2(cp);
2080 OF_FWD(2);
2081 ND_PRINT("\n\t type %s", tok2str(ofpet_str, "invalid (0x%04x)", type));
2082 /* code */
2083 code = GET_BE_U_2(cp);
2084 OF_FWD(2);
2085 code_str = uint2tokary(of10_ofpet2tokary, type);
2086 if (code_str != NULL)
2087 ND_PRINT(", code %s",
2088 tok2str(code_str, "invalid (0x%04x)", code));
2089 else
2090 ND_PRINT(", code invalid (0x%04x)", code);
2091 /* data */
2092 of_data_print(ndo, cp, len);
2093 }
2094
2095 static const struct of_msgtypeinfo of10_msgtypeinfo[OFPT_MAX + 1] = {
2096 /*
2097 * [OF10] Section 5.5.1
2098 * Variable-size data.
2099 */
2100 {
2101 "HELLO", of_data_print,
2102 REQ_MINLEN, 0
2103 },
2104 /*
2105 * [OF10] Section 5.4.4
2106 * A fixed-size message body and variable-size data.
2107 */
2108 {
2109 "ERROR", of10_error_print,
2110 REQ_MINLEN, OF_ERROR_MSG_MINLEN
2111 },
2112 /*
2113 * [OF10] Section 5.5.2
2114 * Variable-size data.
2115 */
2116 {
2117 "ECHO_REQUEST", of_data_print,
2118 REQ_MINLEN, 0
2119 },
2120 /*
2121 * [OF10] Section 5.5.3
2122 * Variable-size data.
2123 */
2124 {
2125 "ECHO_REPLY", of_data_print,
2126 REQ_MINLEN, 0
2127 },
2128 /*
2129 * [OF10] Section 5.5.4
2130 * A fixed-size message body and variable-size data.
2131 */
2132 {
2133 "VENDOR", of10_vendor_message_print,
2134 REQ_MINLEN, OF_VENDOR_MINLEN
2135 },
2136 /*
2137 * [OF10] Section 5.3.1
2138 * No message body.
2139 */
2140 {
2141 "FEATURES_REQUEST", NULL,
2142 REQ_FIXLEN, 0
2143 },
2144 /*
2145 * [OF10] Section 5.3.1
2146 * A fixed-size message body and n * fixed-size data units.
2147 */
2148 {
2149 "FEATURES_REPLY", of10_features_reply_print,
2150 REQ_MINLEN, OF_FEATURES_REPLY_MINLEN
2151 },
2152 /*
2153 * [OF10] Section 5.3.2
2154 * No message body.
2155 */
2156 {
2157 "GET_CONFIG_REQUEST", NULL,
2158 REQ_FIXLEN, 0
2159 },
2160 /*
2161 * [OF10] Section 5.3.2
2162 * A fixed-size message body.
2163 */
2164 {
2165 "GET_CONFIG_REPLY", of10_switch_config_msg_print,
2166 REQ_FIXLEN, OF_SWITCH_CONFIG_FIXLEN
2167 },
2168 /*
2169 * [OF10] Section 5.3.2
2170 * A fixed-size message body.
2171 */
2172 {
2173 "SET_CONFIG", of10_switch_config_msg_print,
2174 REQ_FIXLEN, OF_SWITCH_CONFIG_FIXLEN
2175 },
2176 /*
2177 * [OF10] Section 5.4.1
2178 * A fixed-size message body and variable-size data.
2179 * (The 2 mock octets count in OF_PACKET_IN_MINLEN only.)
2180 */
2181 {
2182 "PACKET_IN", of10_packet_in_print,
2183 REQ_MINLEN, OF_PACKET_IN_MINLEN - 2
2184 },
2185 /*
2186 * [OF10] Section 5.4.2
2187 * A fixed-size message body.
2188 */
2189 {
2190 "FLOW_REMOVED", of10_flow_removed_print,
2191 REQ_FIXLEN, OF_FLOW_REMOVED_FIXLEN
2192 },
2193 /*
2194 * [OF10] Section 5.4.3
2195 * A fixed-size message body.
2196 */
2197 {
2198 "PORT_STATUS", of10_port_status_print,
2199 REQ_FIXLEN, OF_PORT_STATUS_FIXLEN
2200 },
2201 /*
2202 * [OF10] Section 5.3.6
2203 * A fixed-size message body, n * variable-size data units and
2204 * variable-size data.
2205 */
2206 {
2207 "PACKET_OUT", of10_packet_out_print,
2208 REQ_MINLEN, OF_PACKET_OUT_MINLEN
2209 },
2210 /*
2211 * [OF10] Section 5.3.3
2212 * A fixed-size message body and n * variable-size data units.
2213 */
2214 {
2215 "FLOW_MOD", of10_flow_mod_print,
2216 REQ_MINLEN, OF_FLOW_MOD_MINLEN
2217 },
2218 /*
2219 * [OF10] Section 5.3.3
2220 * A fixed-size message body.
2221 */
2222 {
2223 "PORT_MOD", of10_port_mod_print,
2224 REQ_FIXLEN, OF_PORT_MOD_FIXLEN
2225 },
2226 /*
2227 * [OF10] Section 5.3.5
2228 * A fixed-size message body and possibly more data of varying size
2229 * and structure.
2230 */
2231 {
2232 "STATS_REQUEST", of10_stats_request_print,
2233 REQ_MINLEN, OF_STATS_REQUEST_MINLEN
2234 },
2235 /*
2236 * [OF10] Section 5.3.5
2237 * A fixed-size message body and possibly more data of varying size
2238 * and structure.
2239 */
2240 {
2241 "STATS_REPLY", of10_stats_reply_print,
2242 REQ_MINLEN, OF_STATS_REPLY_MINLEN
2243 },
2244 /*
2245 * [OF10] Section 5.3.7
2246 * No message body.
2247 */
2248 {
2249 "BARRIER_REQUEST", NULL,
2250 REQ_FIXLEN, 0
2251 },
2252 /*
2253 * [OF10] Section 5.3.7
2254 * No message body.
2255 */
2256 {
2257 "BARRIER_REPLY", NULL,
2258 REQ_FIXLEN, 0
2259 },
2260 /*
2261 * [OF10] Section 5.3.4
2262 * A fixed-size message body.
2263 */
2264 {
2265 "QUEUE_GET_CONFIG_REQUEST", of10_queue_get_config_request_print,
2266 REQ_FIXLEN, OF_QUEUE_GET_CONFIG_REQUEST_FIXLEN
2267 },
2268 /*
2269 * [OF10] Section 5.3.4
2270 * A fixed-size message body and n * variable-size data units.
2271 */
2272 {
2273 "QUEUE_GET_CONFIG_REPLY", of10_queue_get_config_reply_print,
2274 REQ_MINLEN, OF_QUEUE_GET_CONFIG_REPLY_MINLEN
2275 },
2276 };
2277
2278 const struct of_msgtypeinfo *
2279 of10_identify_msgtype(const uint8_t type)
2280 {
2281 return type <= OFPT_MAX ? &of10_msgtypeinfo[type] : NULL;
2282 }
[mirror] the TCPdump network dissector