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nx-match: Rename and export functions for parsing and formatting subfields.
[ovs.git] / lib / ofp-print.c
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064af421 1/*
67a4917b 2 * Copyright (c) 2008, 2009, 2010 Nicira Networks.
064af421 3 *
a14bc59f
BP		 4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
064af421 7 *
a14bc59f
BP		 8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
064af421
BP		 15 */
16
17#include <config.h>
18#include "ofp-print.h"
064af421
BP		 19
20#include <errno.h>
21#include <inttypes.h>
7f3adc00 22#include <sys/types.h>
064af421
BP		 23#include <netinet/in.h>
24#include <sys/wait.h>
25#include <stdarg.h>
26#include <stdlib.h>
27#include <ctype.h>
28
10a24935 29#include "byte-order.h"
064af421
BP		 30#include "compiler.h"
31#include "dynamic-string.h"
32#include "flow.h"
7fa91113 33#include "nx-match.h"
69b6be19 34#include "ofp-util.h"
064af421
BP		 35#include "ofpbuf.h"
36#include "openflow/openflow.h"
37#include "openflow/nicira-ext.h"
38#include "packets.h"
39#include "pcap.h"
e41a9130 40#include "type-props.h"
064af421
BP		 41#include "util.h"
42
43static void ofp_print_port_name(struct ds *string, uint16_t port);
d2805da2 44static void ofp_print_queue_name(struct ds *string, uint32_t port);
7fa91113
BP		 45static void ofp_print_error(struct ds *, int error);
46
064af421
BP		 47
48/* Returns a string that represents the contents of the Ethernet frame in the
49 * 'len' bytes starting at 'data' to 'stream' as output by tcpdump.
50 * 'total_len' specifies the full length of the Ethernet frame (of which 'len'
51 * bytes were captured).
52 *
53 * The caller must free the returned string.
54 *
55 * This starts and kills a tcpdump subprocess so it's quite expensive. */
56char *
67a4917b 57ofp_packet_to_string(const void *data, size_t len, size_t total_len OVS_UNUSED)
064af421
BP		 58{
59 struct ds ds = DS_EMPTY_INITIALIZER;
60 struct ofpbuf buf;
61
62 char command[128];
63 FILE *pcap;
64 FILE *tcpdump;
65 int status;
66 int c;
67
0bc9407d 68 ofpbuf_use_const(&buf, data, len);
064af421
BP		 69
70 pcap = tmpfile();
71 if (!pcap) {
72 ovs_error(errno, "tmpfile");
73 return xstrdup("<error>");
74 }
75 pcap_write_header(pcap);
76 pcap_write(pcap, &buf);
77 fflush(pcap);
78 if (ferror(pcap)) {
79 ovs_error(errno, "error writing temporary file");
80 }
81 rewind(pcap);
82
83 snprintf(command, sizeof command, "/usr/sbin/tcpdump -e -n -r /dev/fd/%d 2>/dev/null",
84 fileno(pcap));
85 tcpdump = popen(command, "r");
86 fclose(pcap);
87 if (!tcpdump) {
88 ovs_error(errno, "exec(\"%s\")", command);
89 return xstrdup("<error>");
90 }
91
92 while ((c = getc(tcpdump)) != EOF) {
93 ds_put_char(&ds, c);
94 }
95
96 status = pclose(tcpdump);
97 if (WIFEXITED(status)) {
98 if (WEXITSTATUS(status))
99 ovs_error(0, "tcpdump exited with status %d", WEXITSTATUS(status));
100 } else if (WIFSIGNALED(status)) {
d295e8e9 101 ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status));
064af421
BP		 102 }
103 return ds_cstr(&ds);
104}
105
064af421 106static void
d1e2cf21
BP		 107ofp_print_packet_in(struct ds *string, const struct ofp_packet_in *op,
108 int verbosity)
064af421 109{
d1e2cf21 110 size_t len = ntohs(op->header.length);
064af421
BP		 111 size_t data_len;
112
113 ds_put_format(string, " total_len=%"PRIu16" in_port=",
114 ntohs(op->total_len));
115 ofp_print_port_name(string, ntohs(op->in_port));
116
117 if (op->reason == OFPR_ACTION)
118 ds_put_cstr(string, " (via action)");
119 else if (op->reason != OFPR_NO_MATCH)
120 ds_put_format(string, " (***reason %"PRIu8"***)", op->reason);
121
122 data_len = len - offsetof(struct ofp_packet_in, data);
123 ds_put_format(string, " data_len=%zu", data_len);
124 if (htonl(op->buffer_id) == UINT32_MAX) {
125 ds_put_format(string, " (unbuffered)");
126 if (ntohs(op->total_len) != data_len)
127 ds_put_format(string, " (***total_len != data_len***)");
128 } else {
129 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id));
130 if (ntohs(op->total_len) < data_len)
131 ds_put_format(string, " (***total_len < data_len***)");
132 }
133 ds_put_char(string, '\n');
134
135 if (verbosity > 0) {
ae412e7d 136 struct flow flow;
064af421 137 struct ofpbuf packet;
8321fb9c 138
0bc9407d 139 ofpbuf_use_const(&packet, op->data, data_len);
659586ef 140 flow_extract(&packet, 0, ntohs(op->in_port), &flow);
8321fb9c 141 flow_format(string, &flow);
064af421
BP		 142 ds_put_char(string, '\n');
143 }
144 if (verbosity > 1) {
145 char *packet = ofp_packet_to_string(op->data, data_len,
d295e8e9 146 ntohs(op->total_len));
064af421
BP		 147 ds_put_cstr(string, packet);
148 free(packet);
149 }
150}
151
d295e8e9 152static void ofp_print_port_name(struct ds *string, uint16_t port)
064af421
BP		 153{
154 const char *name;
155 switch (port) {
156 case OFPP_IN_PORT:
157 name = "IN_PORT";
158 break;
159 case OFPP_TABLE:
160 name = "TABLE";
161 break;
162 case OFPP_NORMAL:
163 name = "NORMAL";
164 break;
165 case OFPP_FLOOD:
166 name = "FLOOD";
167 break;
168 case OFPP_ALL:
169 name = "ALL";
170 break;
171 case OFPP_CONTROLLER:
172 name = "CONTROLLER";
173 break;
174 case OFPP_LOCAL:
175 name = "LOCAL";
176 break;
177 case OFPP_NONE:
178 name = "NONE";
179 break;
180 default:
181 ds_put_format(string, "%"PRIu16, port);
182 return;
183 }
184 ds_put_cstr(string, name);
185}
186
f393f81e 187
96fc46e8
BP		 188static void
189print_note(struct ds *string, const struct nx_action_note *nan)
190{
191 size_t len;
192 size_t i;
193
194 ds_put_cstr(string, "note:");
195 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
196 for (i = 0; i < len; i++) {
197 if (i) {
198 ds_put_char(string, '.');
199 }
200 ds_put_format(string, "%02"PRIx8, nan->note[i]);
201 }
202}
203
f393f81e
BP		 204static int
205nx_action_len(enum nx_action_subtype subtype)
206{
207 switch (subtype) {
208 case NXAST_SNAT__OBSOLETE: return -1;
209 case NXAST_RESUBMIT: return sizeof(struct nx_action_resubmit);
210 case NXAST_SET_TUNNEL: return sizeof(struct nx_action_set_tunnel);
211 case NXAST_DROP_SPOOFED_ARP:
212 return sizeof(struct nx_action_drop_spoofed_arp);
213 case NXAST_SET_QUEUE: return sizeof(struct nx_action_set_queue);
214 case NXAST_POP_QUEUE: return sizeof(struct nx_action_pop_queue);
215 case NXAST_REG_MOVE: return sizeof(struct nx_action_reg_move);
216 case NXAST_REG_LOAD: return sizeof(struct nx_action_reg_load);
217 case NXAST_NOTE: return -1;
b9298d3f 218 case NXAST_SET_TUNNEL64: return sizeof(struct nx_action_set_tunnel64);
f393f81e
BP		 219 default: return -1;
220 }
221}
222
064af421
BP		 223static void
224ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah)
225{
e41a9130 226 uint16_t subtype = ntohs(nah->subtype);
f393f81e
BP		 227 int required_len = nx_action_len(subtype);
228 int len = ntohs(nah->len);
229
230 if (required_len != -1 && required_len != len) {
231 ds_put_format(string, "***Nicira action %"PRIu16" wrong length: %d***",
232 subtype, len);
233 return;
234 }
e41a9130
BP		 235
236 if (subtype <= TYPE_MAXIMUM(enum nx_action_subtype)) {
b9298d3f 237 const struct nx_action_set_tunnel64 *nast64;
e41a9130
BP		 238 const struct nx_action_set_tunnel *nast;
239 const struct nx_action_set_queue *nasq;
240 const struct nx_action_resubmit *nar;
f393f81e
BP		 241 const struct nx_action_reg_move *move;
242 const struct nx_action_reg_load *load;
e41a9130
BP		 243
244 switch ((enum nx_action_subtype) subtype) {
245 case NXAST_RESUBMIT:
246 nar = (struct nx_action_resubmit *)nah;
247 ds_put_format(string, "resubmit:");
248 ofp_print_port_name(string, ntohs(nar->in_port));
249 return;
250
251 case NXAST_SET_TUNNEL:
252 nast = (struct nx_action_set_tunnel *)nah;
253 ds_put_format(string, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
254 return;
255
256 case NXAST_DROP_SPOOFED_ARP:
257 ds_put_cstr(string, "drop_spoofed_arp");
258 return;
259
260 case NXAST_SET_QUEUE:
261 nasq = (struct nx_action_set_queue *)nah;
262 ds_put_format(string, "set_queue:%u", ntohl(nasq->queue_id));
263 return;
264
265 case NXAST_POP_QUEUE:
266 ds_put_cstr(string, "pop_queue");
267 return;
268
269 case NXAST_NOTE:
270 print_note(string, (const struct nx_action_note *) nah);
271 return;
272
273 case NXAST_REG_MOVE:
f393f81e
BP		 274 move = (const struct nx_action_reg_move *) nah;
275 nxm_format_reg_move(move, string);
276 return;
277
e41a9130 278 case NXAST_REG_LOAD:
f393f81e
BP		 279 load = (const struct nx_action_reg_load *) nah;
280 nxm_format_reg_load(load, string);
e41a9130
BP		 281 return;
282
b9298d3f
BP		 283 case NXAST_SET_TUNNEL64:
284 nast64 = (struct nx_action_set_tunnel64 *) nah;
285 ds_put_format(string, "set_tunnel64:%#"PRIx64,
286 ntohll(nast64->tun_id));
287 return;
288
e41a9130
BP		 289 case NXAST_SNAT__OBSOLETE:
290 default:
291 break;
292 }
eedc0097
JP		 293 }
294
e41a9130
BP		 295 ds_put_format(string, "***unknown Nicira action:%"PRIu16"***", subtype);
296}
96fc46e8 297
e41a9130
BP		 298static int
299ofp_action_len(enum ofp_action_type type)
300{
301 switch (type) {
302 case OFPAT_OUTPUT: return sizeof(struct ofp_action_output);
303 case OFPAT_SET_VLAN_VID: return sizeof(struct ofp_action_vlan_vid);
304 case OFPAT_SET_VLAN_PCP: return sizeof(struct ofp_action_vlan_pcp);
305 case OFPAT_STRIP_VLAN: return sizeof(struct ofp_action_header);
306 case OFPAT_SET_DL_SRC: return sizeof(struct ofp_action_dl_addr);
307 case OFPAT_SET_DL_DST: return sizeof(struct ofp_action_dl_addr);
308 case OFPAT_SET_NW_SRC: return sizeof(struct ofp_action_nw_addr);
309 case OFPAT_SET_NW_DST: return sizeof(struct ofp_action_nw_addr);
310 case OFPAT_SET_NW_TOS: return sizeof(struct ofp_action_nw_tos);
311 case OFPAT_SET_TP_SRC: return sizeof(struct ofp_action_tp_port);
312 case OFPAT_SET_TP_DST: return sizeof(struct ofp_action_tp_port);
313 case OFPAT_ENQUEUE: return sizeof(struct ofp_action_enqueue);
314 case OFPAT_VENDOR: return -1;
315 default: return -1;
064af421
BP		 316 }
317}
318
319static int
d295e8e9
JP		 320ofp_print_action(struct ds *string, const struct ofp_action_header *ah,
321 size_t actions_len)
064af421 322{
e41a9130
BP		 323 enum ofp_action_type type;
324 int required_len;
064af421
BP		 325 size_t len;
326
064af421
BP		 327 if (actions_len < sizeof *ah) {
328 ds_put_format(string, "***action array too short for next action***\n");
329 return -1;
330 }
331
332 type = ntohs(ah->type);
333 len = ntohs(ah->len);
334 if (actions_len < len) {
e41a9130 335 ds_put_format(string, "***truncated action %d***\n", (int) type);
064af421
BP		 336 return -1;
337 }
338
1d87ef5c
BP		 339 if (!len) {
340 ds_put_format(string, "***zero-length action***\n");
341 return 8;
342 }
343
69b6be19 344 if ((len % OFP_ACTION_ALIGN) != 0) {
d295e8e9 345 ds_put_format(string,
e41a9130
BP		 346 "***action %d length not a multiple of %d***\n",
347 (int) type, OFP_ACTION_ALIGN);
064af421
BP		 348 return -1;
349 }
350
e41a9130
BP		 351 required_len = ofp_action_len(type);
352 if (required_len >= 0 && len != required_len) {
353 ds_put_format(string,
354 "***action %d wrong length: %zu***\n", (int) type, len);
355 return -1;
064af421 356 }
d295e8e9 357
064af421
BP		 358 switch (type) {
359 case OFPAT_OUTPUT: {
360 struct ofp_action_output *oa = (struct ofp_action_output *)ah;
d295e8e9 361 uint16_t port = ntohs(oa->port);
064af421
BP		 362 if (port < OFPP_MAX) {
363 ds_put_format(string, "output:%"PRIu16, port);
364 } else {
365 ofp_print_port_name(string, port);
366 if (port == OFPP_CONTROLLER) {
367 if (oa->max_len) {
368 ds_put_format(string, ":%"PRIu16, ntohs(oa->max_len));
369 } else {
370 ds_put_cstr(string, ":all");
371 }
372 }
373 }
374 break;
375 }
376
c4d279ab
BP		 377 case OFPAT_ENQUEUE: {
378 struct ofp_action_enqueue *ea = (struct ofp_action_enqueue *)ah;
379 unsigned int port = ntohs(ea->port);
380 unsigned int queue_id = ntohl(ea->queue_id);
381 ds_put_format(string, "enqueue:");
382 if (port != OFPP_IN_PORT) {
383 ds_put_format(string, "%u", port);
384 } else {
385 ds_put_cstr(string, "IN_PORT");
386 }
387 ds_put_format(string, "q%u", queue_id);
388 break;
389 }
390
064af421
BP		 391 case OFPAT_SET_VLAN_VID: {
392 struct ofp_action_vlan_vid *va = (struct ofp_action_vlan_vid *)ah;
393 ds_put_format(string, "mod_vlan_vid:%"PRIu16, ntohs(va->vlan_vid));
394 break;
395 }
396
397 case OFPAT_SET_VLAN_PCP: {
398 struct ofp_action_vlan_pcp *va = (struct ofp_action_vlan_pcp *)ah;
399 ds_put_format(string, "mod_vlan_pcp:%"PRIu8, va->vlan_pcp);
400 break;
401 }
402
403 case OFPAT_STRIP_VLAN:
404 ds_put_cstr(string, "strip_vlan");
405 break;
406
407 case OFPAT_SET_DL_SRC: {
408 struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah;
d295e8e9 409 ds_put_format(string, "mod_dl_src:"ETH_ADDR_FMT,
064af421
BP		 410 ETH_ADDR_ARGS(da->dl_addr));
411 break;
412 }
413
414 case OFPAT_SET_DL_DST: {
415 struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah;
d295e8e9 416 ds_put_format(string, "mod_dl_dst:"ETH_ADDR_FMT,
064af421
BP		 417 ETH_ADDR_ARGS(da->dl_addr));
418 break;
419 }
420
421 case OFPAT_SET_NW_SRC: {
422 struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah;
423 ds_put_format(string, "mod_nw_src:"IP_FMT, IP_ARGS(&na->nw_addr));
424 break;
425 }
426
427 case OFPAT_SET_NW_DST: {
428 struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah;
429 ds_put_format(string, "mod_nw_dst:"IP_FMT, IP_ARGS(&na->nw_addr));
430 break;
431 }
432
959a2ecd
JP		 433 case OFPAT_SET_NW_TOS: {
434 struct ofp_action_nw_tos *nt = (struct ofp_action_nw_tos *)ah;
435 ds_put_format(string, "mod_nw_tos:%d", nt->nw_tos);
436 break;
437 }
438
064af421
BP		 439 case OFPAT_SET_TP_SRC: {
440 struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah;
441 ds_put_format(string, "mod_tp_src:%d", ntohs(ta->tp_port));
442 break;
443 }
444
445 case OFPAT_SET_TP_DST: {
446 struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah;
447 ds_put_format(string, "mod_tp_dst:%d", ntohs(ta->tp_port));
448 break;
449 }
450
451 case OFPAT_VENDOR: {
d295e8e9 452 struct ofp_action_vendor_header *avh
064af421
BP		 453 = (struct ofp_action_vendor_header *)ah;
454 if (len < sizeof *avh) {
455 ds_put_format(string, "***ofpat_vendor truncated***\n");
456 return -1;
457 }
458 if (avh->vendor == htonl(NX_VENDOR_ID)) {
459 ofp_print_nx_action(string, (struct nx_action_header *)avh);
460 } else {
461 ds_put_format(string, "vendor action:0x%x", ntohl(avh->vendor));
462 }
463 break;
464 }
465
466 default:
e41a9130 467 ds_put_format(string, "(decoder %d not implemented)", (int) type);
064af421
BP		 468 break;
469 }
470
471 return len;
472}
473
d295e8e9 474void
064af421 475ofp_print_actions(struct ds *string, const struct ofp_action_header *action,
d295e8e9 476 size_t actions_len)
064af421
BP		 477{
478 uint8_t *p = (uint8_t *)action;
479 int len = 0;
480
481 ds_put_cstr(string, "actions=");
482 if (!actions_len) {
483 ds_put_cstr(string, "drop");
484 }
485 while (actions_len > 0) {
486 if (len) {
487 ds_put_cstr(string, ",");
488 }
d295e8e9 489 len = ofp_print_action(string, (struct ofp_action_header *)p,
064af421
BP		 490 actions_len);
491 if (len < 0) {
492 return;
493 }
494 p += len;
495 actions_len -= len;
496 }
497}
498
d1e2cf21
BP		 499static void
500ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
501 int verbosity)
064af421 502{
d1e2cf21 503 size_t len = ntohs(opo->header.length);
064af421
BP		 504 size_t actions_len = ntohs(opo->actions_len);
505
506 ds_put_cstr(string, " in_port=");
507 ofp_print_port_name(string, ntohs(opo->in_port));
508
509 ds_put_format(string, " actions_len=%zu ", actions_len);
510 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
511 ds_put_format(string, "***packet too short for action length***\n");
512 return;
513 }
514 ofp_print_actions(string, opo->actions, actions_len);
515
516 if (ntohl(opo->buffer_id) == UINT32_MAX) {
517 int data_len = len - sizeof *opo - actions_len;
518 ds_put_format(string, " data_len=%d", data_len);
519 if (verbosity > 0 && len > sizeof *opo) {
520 char *packet = ofp_packet_to_string(
521 (uint8_t *)opo->actions + actions_len, data_len, data_len);
522 ds_put_char(string, '\n');
523 ds_put_cstr(string, packet);
524 free(packet);
525 }
526 } else {
527 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
528 }
529 ds_put_char(string, '\n');
530}
531
532/* qsort comparison function. */
533static int
534compare_ports(const void *a_, const void *b_)
535{
536 const struct ofp_phy_port *a = a_;
537 const struct ofp_phy_port *b = b_;
538 uint16_t ap = ntohs(a->port_no);
539 uint16_t bp = ntohs(b->port_no);
540
541 return ap < bp ? -1 : ap > bp;
542}
543
544static void ofp_print_port_features(struct ds *string, uint32_t features)
545{
546 if (features == 0) {
547 ds_put_cstr(string, "Unsupported\n");
548 return;
549 }
550 if (features & OFPPF_10MB_HD) {
551 ds_put_cstr(string, "10MB-HD ");
552 }
553 if (features & OFPPF_10MB_FD) {
554 ds_put_cstr(string, "10MB-FD ");
555 }
556 if (features & OFPPF_100MB_HD) {
557 ds_put_cstr(string, "100MB-HD ");
558 }
559 if (features & OFPPF_100MB_FD) {
560 ds_put_cstr(string, "100MB-FD ");
561 }
562 if (features & OFPPF_1GB_HD) {
563 ds_put_cstr(string, "1GB-HD ");
564 }
565 if (features & OFPPF_1GB_FD) {
566 ds_put_cstr(string, "1GB-FD ");
567 }
568 if (features & OFPPF_10GB_FD) {
569 ds_put_cstr(string, "10GB-FD ");
570 }
571 if (features & OFPPF_COPPER) {
572 ds_put_cstr(string, "COPPER ");
573 }
574 if (features & OFPPF_FIBER) {
575 ds_put_cstr(string, "FIBER ");
576 }
577 if (features & OFPPF_AUTONEG) {
578 ds_put_cstr(string, "AUTO_NEG ");
579 }
580 if (features & OFPPF_PAUSE) {
581 ds_put_cstr(string, "AUTO_PAUSE ");
582 }
583 if (features & OFPPF_PAUSE_ASYM) {
584 ds_put_cstr(string, "AUTO_PAUSE_ASYM ");
585 }
586 ds_put_char(string, '\n');
587}
588
589static void
590ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
591{
0b61210e 592 char name[OFP_MAX_PORT_NAME_LEN];
064af421
BP		 593 int j;
594
595 memcpy(name, port->name, sizeof name);
596 for (j = 0; j < sizeof name - 1; j++) {
597 if (!isprint(name[j])) {
598 break;
599 }
600 }
601 name[j] = '\0';
602
603 ds_put_char(string, ' ');
604 ofp_print_port_name(string, ntohs(port->port_no));
605 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT", config: %#x, state:%#x\n",
606 name, ETH_ADDR_ARGS(port->hw_addr), ntohl(port->config),
607 ntohl(port->state));
608 if (port->curr) {
609 ds_put_format(string, " current: ");
610 ofp_print_port_features(string, ntohl(port->curr));
611 }
612 if (port->advertised) {
613 ds_put_format(string, " advertised: ");
614 ofp_print_port_features(string, ntohl(port->advertised));
615 }
616 if (port->supported) {
617 ds_put_format(string, " supported: ");
618 ofp_print_port_features(string, ntohl(port->supported));
619 }
620 if (port->peer) {
621 ds_put_format(string, " peer: ");
622 ofp_print_port_features(string, ntohl(port->peer));
623 }
624}
625
064af421 626static void
d1e2cf21
BP		 627ofp_print_switch_features(struct ds *string,
628 const struct ofp_switch_features *osf)
064af421 629{
d1e2cf21 630 size_t len = ntohs(osf->header.length);
064af421
BP		 631 struct ofp_phy_port *port_list;
632 int n_ports;
633 int i;
634
d295e8e9 635 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
064af421
BP		 636 osf->header.version, ntohll(osf->datapath_id));
637 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
638 ntohl(osf->n_buffers));
639 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
640 ntohl(osf->capabilities), ntohl(osf->actions));
641
064af421
BP		 642 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
643
d295e8e9 644 port_list = xmemdup(osf->ports, len - sizeof *osf);
064af421
BP		 645 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
646 for (i = 0; i < n_ports; i++) {
647 ofp_print_phy_port(string, &port_list[i]);
648 }
649 free(port_list);
650}
651
064af421 652static void
d1e2cf21 653ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
064af421 654{
064af421
BP		 655 uint16_t flags;
656
657 flags = ntohs(osc->flags);
064af421
BP		 658 if (flags) {
659 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
660 }
661
662 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
663}
664
665static void print_wild(struct ds *string, const char *leader, int is_wild,
d295e8e9 666 int verbosity, const char *format, ...)
064af421
BP		 667 __attribute__((format(printf, 5, 6)));
668
669static void print_wild(struct ds *string, const char *leader, int is_wild,
d295e8e9 670 int verbosity, const char *format, ...)
064af421
BP		 671{
672 if (is_wild && verbosity < 2) {
673 return;
674 }
675 ds_put_cstr(string, leader);
676 if (!is_wild) {
677 va_list args;
678
679 va_start(args, format);
680 ds_put_format_valist(string, format, args);
681 va_end(args);
682 } else {
683 ds_put_char(string, '*');
684 }
685 ds_put_char(string, ',');
686}
687
688static void
689print_ip_netmask(struct ds *string, const char *leader, uint32_t ip,
690 uint32_t wild_bits, int verbosity)
691{
692 if (wild_bits >= 32 && verbosity < 2) {
693 return;
694 }
695 ds_put_cstr(string, leader);
696 if (wild_bits < 32) {
697 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
698 if (wild_bits) {
699 ds_put_format(string, "/%d", 32 - wild_bits);
700 }
701 } else {
702 ds_put_char(string, '*');
703 }
704 ds_put_char(string, ',');
705}
706
4f2cad2c 707void
064af421
BP		 708ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
709{
710 char *s = ofp_match_to_string(om, verbosity);
711 ds_put_cstr(f, s);
712 free(s);
713}
714
715char *
716ofp_match_to_string(const struct ofp_match *om, int verbosity)
717{
718 struct ds f = DS_EMPTY_INITIALIZER;
719 uint32_t w = ntohl(om->wildcards);
720 bool skip_type = false;
721 bool skip_proto = false;
722
723 if (!(w & OFPFW_DL_TYPE)) {
724 skip_type = true;
725 if (om->dl_type == htons(ETH_TYPE_IP)) {
726 if (!(w & OFPFW_NW_PROTO)) {
727 skip_proto = true;
728 if (om->nw_proto == IP_TYPE_ICMP) {
729 ds_put_cstr(&f, "icmp,");
730 } else if (om->nw_proto == IP_TYPE_TCP) {
731 ds_put_cstr(&f, "tcp,");
732 } else if (om->nw_proto == IP_TYPE_UDP) {
733 ds_put_cstr(&f, "udp,");
734 } else {
735 ds_put_cstr(&f, "ip,");
736 skip_proto = false;
737 }
738 } else {
739 ds_put_cstr(&f, "ip,");
740 }
741 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
742 ds_put_cstr(&f, "arp,");
743 } else {
744 skip_type = false;
745 }
746 }
659586ef
JG		 747 if (w & NXFW_TUN_ID) {
748 ds_put_cstr(&f, "tun_id_wild,");
749 }
064af421
BP		 750 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
751 "%d", ntohs(om->in_port));
752 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
6a1f89c8 753 "%d", ntohs(om->dl_vlan));
959a2ecd
JP		 754 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
755 "%d", om->dl_vlan_pcp);
064af421
BP		 756 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
757 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
758 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
759 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
760 if (!skip_type) {
761 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
762 "0x%04x", ntohs(om->dl_type));
763 }
764 print_ip_netmask(&f, "nw_src=", om->nw_src,
765 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
766 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
767 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
768 if (!skip_proto) {
fb892732
JP		 769 if (om->dl_type == htons(ETH_TYPE_ARP)) {
770 print_wild(&f, "opcode=", w & OFPFW_NW_PROTO, verbosity,
771 "%u", om->nw_proto);
772 } else {
773 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
774 "%u", om->nw_proto);
775 }
064af421 776 }
1a960c80
RL		 777 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
778 "%u", om->nw_tos);
064af421
BP		 779 if (om->nw_proto == IP_TYPE_ICMP) {
780 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
781 "%d", ntohs(om->icmp_type));
782 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
783 "%d", ntohs(om->icmp_code));
784 } else {
785 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
786 "%d", ntohs(om->tp_src));
787 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
788 "%d", ntohs(om->tp_dst));
789 }
7fa91113
BP		 790 if (ds_last(&f) == ',') {
791 f.length--;
792 }
064af421
BP		 793 return ds_cstr(&f);
794}
795
064af421 796static void
7fa91113
BP		 797ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
798 enum ofputil_msg_code code, int verbosity)
064af421 799{
7fa91113 800 struct flow_mod fm;
f904747b 801 bool need_priority;
7fa91113 802 int error;
064af421 803
7fa91113
BP		 804 error = ofputil_decode_flow_mod(&fm, oh, NXFF_OPENFLOW10);
805 if (error) {
806 ofp_print_error(s, error);
807 return;
3ff4f871
BP		 808 }
809
7fa91113
BP		 810 ds_put_char(s, ' ');
811 switch (fm.command) {
064af421 812 case OFPFC_ADD:
7fa91113 813 ds_put_cstr(s, "ADD");
064af421
BP		 814 break;
815 case OFPFC_MODIFY:
7fa91113 816 ds_put_cstr(s, "MOD");
064af421
BP		 817 break;
818 case OFPFC_MODIFY_STRICT:
7fa91113 819 ds_put_cstr(s, "MOD_STRICT");
064af421
BP		 820 break;
821 case OFPFC_DELETE:
7fa91113 822 ds_put_cstr(s, "DEL");
064af421
BP		 823 break;
824 case OFPFC_DELETE_STRICT:
7fa91113 825 ds_put_cstr(s, "DEL_STRICT");
064af421
BP		 826 break;
827 default:
7fa91113
BP		 828 ds_put_format(s, "cmd:%d", fm.command);
829 }
830
831 ds_put_char(s, ' ');
832 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
833 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
7fa91113 834 ofp_print_match(s, &ofm->match, verbosity);
f904747b
BP		 835
836 /* ofp_print_match() doesn't print priority. */
837 need_priority = true;
7fa91113
BP		 838 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
839 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
840 const void *nxm = nfm + 1;
f904747b
BP		 841 char *nxm_s;
842
843 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
7fa91113
BP		 844 ds_put_cstr(s, nxm_s);
845 free(nxm_s);
f904747b
BP		 846
847 /* nx_match_to_string() doesn't print priority. */
848 need_priority = true;
7fa91113
BP		 849 } else {
850 cls_rule_format(&fm.cr, s);
f904747b
BP		 851
852 /* cls_rule_format() does print priority. */
853 need_priority = false;
3ff4f871 854 }
7fa91113
BP		 855
856 if (ds_last(s) != ' ') {
857 ds_put_char(s, ' ');
3ff4f871 858 }
7fa91113
BP		 859 if (fm.cookie != htonll(0)) {
860 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
3ff4f871 861 }
7fa91113
BP		 862 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
863 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
064af421 864 }
7fa91113
BP		 865 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
866 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
3ff4f871 867 }
f904747b 868 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
7fa91113 869 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
3ff4f871 870 }
7fa91113
BP		 871 if (fm.buffer_id != UINT32_MAX) {
872 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
3ff4f871 873 }
7fa91113
BP		 874 if (fm.flags != 0) {
875 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
876 }
877
878 ofp_print_actions(s, (const struct ofp_action_header *) fm.actions,
879 fm.n_actions * sizeof *fm.actions);
064af421
BP		 880}
881
09862ec6
BP		 882static void
883ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
884{
885 ds_put_format(string, "%u", sec);
886 if (nsec > 0) {
887 ds_put_format(string, ".%09u", nsec);
888 while (string->string[string->length - 1] == '0') {
889 string->length--;
890 }
891 }
892 ds_put_char(string, 's');
893}
894
064af421 895static void
9b045a0c 896ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
064af421 897{
9b045a0c
BP		 898 struct ofputil_flow_removed fr;
899 int error;
900
901 error = ofputil_decode_flow_removed(&fr, oh, NXFF_OPENFLOW10);
902 if (error) {
903 ofp_print_error(string, error);
904 return;
905 }
906
907 cls_rule_format(&fr.rule, string);
908
064af421 909 ds_put_cstr(string, " reason=");
9b045a0c 910 switch (fr.reason) {
ca069229 911 case OFPRR_IDLE_TIMEOUT:
064af421
BP		 912 ds_put_cstr(string, "idle");
913 break;
ca069229 914 case OFPRR_HARD_TIMEOUT:
064af421
BP		 915 ds_put_cstr(string, "hard");
916 break;
ca069229
JP		 917 case OFPRR_DELETE:
918 ds_put_cstr(string, "delete");
919 break;
064af421 920 default:
9b045a0c 921 ds_put_format(string, "**%"PRIu8"**", fr.reason);
064af421
BP		 922 break;
923 }
3ff4f871 924
9b045a0c
BP		 925 if (fr.cookie != htonll(0)) {
926 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
3ff4f871 927 }
09862ec6 928 ds_put_cstr(string, " duration");
9b045a0c 929 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
09862ec6 930 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
9b045a0c 931 fr.idle_timeout, fr.packet_count, fr.byte_count);
064af421
BP		 932}
933
934static void
d1e2cf21 935ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
064af421 936{
064af421 937 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
d295e8e9 938 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
064af421
BP		 939 ntohl(opm->config), ntohl(opm->mask));
940 ds_put_format(string, " advertise: ");
941 if (opm->advertise) {
942 ofp_print_port_features(string, ntohl(opm->advertise));
943 } else {
944 ds_put_format(string, "UNCHANGED\n");
945 }
946}
947
948struct error_type {
949 int type;
950 int code;
951 const char *name;
952};
953
954static const struct error_type error_types[] = {
955#define ERROR_TYPE(TYPE) {TYPE, -1, #TYPE}
956#define ERROR_CODE(TYPE, CODE) {TYPE, CODE, #CODE}
957 ERROR_TYPE(OFPET_HELLO_FAILED),
958 ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_INCOMPATIBLE),
49bdc010 959 ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_EPERM),
064af421
BP		 960
961 ERROR_TYPE(OFPET_BAD_REQUEST),
962 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION),
963 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE),
964 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_STAT),
b4785c1e
JP		 965 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR),
966 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_SUBTYPE),
49bdc010
JP		 967 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_EPERM),
968 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN),
b4785c1e 969 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_EMPTY),
49bdc010 970 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN),
f74be05a
JP		 971 /* Nicira error extensions. */
972 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_INVALID),
973 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_TYPE),
974 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_VALUE),
975 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_MASK),
976 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_PREREQ),
977 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_DUP_TYPE),
064af421
BP		 978
979 ERROR_TYPE(OFPET_BAD_ACTION),
980 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_TYPE),
981 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_LEN),
982 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR),
983 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR_TYPE),
984 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT),
b4785c1e 985 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT),
49bdc010 986 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_EPERM),
b4785c1e 987 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_TOO_MANY),
064af421
BP		 988
989 ERROR_TYPE(OFPET_FLOW_MOD_FAILED),
b4785c1e 990 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL),
49bdc010
JP		 991 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_OVERLAP),
992 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_EPERM),
993 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_EMERG_TIMEOUT),
b4785c1e 994 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_COMMAND),
f74be05a
JP		 995 /* Nicira error extenstions. */
996 ERROR_CODE(OFPET_FLOW_MOD_FAILED, NXFMFC_HARDWARE),
997 ERROR_CODE(OFPET_FLOW_MOD_FAILED, NXFMFC_BAD_TABLE_ID),
b4785c1e
JP		 998
999 ERROR_TYPE(OFPET_PORT_MOD_FAILED),
1000 ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_PORT),
1001 ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_HW_ADDR)
064af421
BP		 1002};
1003#define N_ERROR_TYPES ARRAY_SIZE(error_types)
1004
1005static const char *
1006lookup_error_type(int type)
1007{
1008 const struct error_type *t;
1009
1010 for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) {
1011 if (t->type == type && t->code == -1) {
1012 return t->name;
1013 }
1014 }
1015 return "?";
1016}
1017
1018static const char *
1019lookup_error_code(int type, int code)
1020{
1021 const struct error_type *t;
1022
1023 for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) {
1024 if (t->type == type && t->code == code) {
1025 return t->name;
1026 }
1027 }
1028 return "?";
1029}
1030
7fa91113
BP		 1031static void
1032ofp_print_error(struct ds *string, int error)
1033{
1034 int type = get_ofp_err_type(error);
1035 int code = get_ofp_err_code(error);
1036 if (string->length) {
1037 ds_put_char(string, ' ');
1038 }
49ad0403 1039 ds_put_format(string, " ***decode error type:%d(%s) code:%d(%s)***\n",
7fa91113
BP		 1040 type, lookup_error_type(type),
1041 code, lookup_error_code(type, code));
1042}
1043
f74be05a
JP		 1044static void
1045ofp_print_nx_error_msg(struct ds *string, const struct ofp_error_msg *oem)
1046{
1047 size_t len = ntohs(oem->header.length);
1048 const struct nx_vendor_error *nve = (struct nx_vendor_error *)oem->data;
1049 int vendor = ntohl(nve->vendor);
1050 int type = ntohs(nve->type);
1051 int code = ntohs(nve->code);
1052
1053 ds_put_format(string, " vendor:%x type:%d(%s) code:%d(%s) payload:\n",
1054 vendor,
1055 type, lookup_error_type(type),
1056 code, lookup_error_code(type, code));
1057
1058 ds_put_hex_dump(string, nve + 1, len - sizeof *oem - sizeof *nve,
1059 0, true);
1060}
1061
064af421 1062static void
d1e2cf21 1063ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
064af421 1064{
d1e2cf21 1065 size_t len = ntohs(oem->header.length);
064af421
BP		 1066 int type = ntohs(oem->type);
1067 int code = ntohs(oem->code);
1068 char *s;
1069
f74be05a
JP		 1070
1071 if (type == NXET_VENDOR && code == NXVC_VENDOR_ERROR) {
1072 if (len < sizeof *oem + sizeof(struct nx_vendor_error)) {
d689a6a8 1073 ds_put_format(string,
f74be05a 1074 "(***truncated extended error message is %zu bytes "
d689a6a8 1075 "when it should be at least %zu***)\n",
f74be05a
JP		 1076 len, sizeof(struct nx_vendor_error));
1077 return;
1078 }
1079
1080 return ofp_print_nx_error_msg(string, oem);
1081 }
1082
7fa91113 1083 ds_put_format(string, " type:%d(%s) code:%d(%s) payload:\n",
064af421
BP		 1084 type, lookup_error_type(type),
1085 code, lookup_error_code(type, code));
1086
1087 switch (type) {
1088 case OFPET_HELLO_FAILED:
1089 ds_put_printable(string, (char *) oem->data, len - sizeof *oem);
1090 break;
1091
1092 case OFPET_BAD_REQUEST:
1093 s = ofp_to_string(oem->data, len - sizeof *oem, 1);
1094 ds_put_cstr(string, s);
1095 free(s);
1096 break;
1097
1098 default:
1099 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
1100 break;
1101 }
1102}
1103
064af421 1104static void
d1e2cf21 1105ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
064af421 1106{
064af421
BP		 1107 if (ops->reason == OFPPR_ADD) {
1108 ds_put_format(string, " ADD:");
1109 } else if (ops->reason == OFPPR_DELETE) {
1110 ds_put_format(string, " DEL:");
1111 } else if (ops->reason == OFPPR_MODIFY) {
1112 ds_put_format(string, " MOD:");
1113 }
1114
1115 ofp_print_phy_port(string, &ops->desc);
1116}
1117
1118static void
d1e2cf21 1119ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_header *oh)
064af421 1120{
d1e2cf21 1121 const struct ofp_desc_stats *ods = ofputil_stats_body(oh);
064af421 1122
d295e8e9 1123 ds_put_format(string, "Manufacturer: %.*s\n",
dd70b475
JP		 1124 (int) sizeof ods->mfr_desc, ods->mfr_desc);
1125 ds_put_format(string, "Hardware: %.*s\n",
1126 (int) sizeof ods->hw_desc, ods->hw_desc);
1127 ds_put_format(string, "Software: %.*s\n",
1128 (int) sizeof ods->sw_desc, ods->sw_desc);
1129 ds_put_format(string, "Serial Num: %.*s\n",
1130 (int) sizeof ods->serial_num, ods->serial_num);
1131 ds_put_format(string, "DP Description: %.*s\n",
1132 (int) sizeof ods->dp_desc, ods->dp_desc);
064af421
BP		 1133}
1134
1135static void
2af0c0ef 1136ofp_print_flow_stats_request(struct ds *string, const struct ofp_header *oh)
064af421 1137{
2af0c0ef
BP		 1138 struct flow_stats_request fsr;
1139 int error;
064af421 1140
2af0c0ef
BP		 1141 error = ofputil_decode_flow_stats_request(&fsr, oh, NXFF_OPENFLOW10);
1142 if (error) {
1143 ofp_print_error(string, error);
1144 return;
1145 }
1146
1147 if (fsr.table_id != 0xff) {
1148 ds_put_format(string, " table_id=%"PRIu8, fsr.table_id);
064af421
BP		 1149 }
1150
2af0c0ef
BP		 1151 if (fsr.out_port != OFPP_NONE) {
1152 ds_put_cstr(string, " out_port=");
1153 ofp_print_port_name(string, fsr.out_port);
1154 }
1155
1156 ds_put_char(string, ' ');
1157 cls_rule_format(&fsr.match, string);
064af421
BP		 1158}
1159
1160static void
d1e2cf21
BP		 1161ofp_print_ofpst_flow_reply(struct ds *string, const struct ofp_header *oh,
1162 int verbosity)
064af421 1163{
d1e2cf21
BP		 1164 size_t len = ofputil_stats_body_len(oh);
1165 const char *body = ofputil_stats_body(oh);
064af421
BP		 1166 const char *pos = body;
1167 for (;;) {
1168 const struct ofp_flow_stats *fs;
1169 ptrdiff_t bytes_left = body + len - pos;
1170 size_t length;
1171
fab8fadb
BP		 1172 ds_put_char(string, '\n');
1173
064af421
BP		 1174 if (bytes_left < sizeof *fs) {
1175 if (bytes_left != 0) {
1176 ds_put_format(string, " ***%td leftover bytes at end***",
1177 bytes_left);
1178 }
1179 break;
1180 }
1181
1182 fs = (const void *) pos;
1183 length = ntohs(fs->length);
1184 if (length < sizeof *fs) {
1185 ds_put_format(string, " ***length=%zu shorter than minimum %zu***",
1186 length, sizeof *fs);
1187 break;
1188 } else if (length > bytes_left) {
1189 ds_put_format(string,
1190 " ***length=%zu but only %td bytes left***",
1191 length, bytes_left);
1192 break;
1193 } else if ((length - sizeof *fs) % sizeof fs->actions[0]) {
1194 ds_put_format(string,
1195 " ***length=%zu has %zu bytes leftover in "
1196 "final action***",
1197 length,
1198 (length - sizeof *fs) % sizeof fs->actions[0]);
1199 break;
1200 }
1201
09862ec6
BP		 1202 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1203 ntohll(fs->cookie));
1204 ofp_print_duration(string, ntohl(fs->duration_sec),
1205 ntohl(fs->duration_nsec));
1206 ds_put_format(string, ", table_id=%"PRIu8", ", fs->table_id);
05abb769 1207 ds_put_format(string, "priority=%"PRIu16", ", ntohs(fs->priority));
064af421
BP		 1208 ds_put_format(string, "n_packets=%"PRIu64", ",
1209 ntohll(fs->packet_count));
1210 ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count));
1211 if (fs->idle_timeout != htons(OFP_FLOW_PERMANENT)) {
1212 ds_put_format(string, "idle_timeout=%"PRIu16",",
1213 ntohs(fs->idle_timeout));
1214 }
1215 if (fs->hard_timeout != htons(OFP_FLOW_PERMANENT)) {
1216 ds_put_format(string, "hard_timeout=%"PRIu16",",
1217 ntohs(fs->hard_timeout));
1218 }
1219 ofp_print_match(string, &fs->match, verbosity);
05abb769 1220 ds_put_char(string, ' ');
064af421 1221 ofp_print_actions(string, fs->actions, length - sizeof *fs);
064af421
BP		 1222
1223 pos += length;
1224 }
1225}
1226
c6430da5
BP		 1227static void
1228ofp_print_nxst_flow_reply(struct ds *string, const struct ofp_header *oh)
1229{
1230 struct ofpbuf b;
1231
1232 ofpbuf_use_const(&b, ofputil_nxstats_body(oh),
1233 ofputil_nxstats_body_len(oh));
1234 while (b.size > 0) {
1235 const struct nx_flow_stats *fs;
1236 union ofp_action *actions;
1237 struct cls_rule rule;
1238 size_t actions_len, n_actions;
1239 size_t length;
1240 int match_len;
1241 int error;
1242
8961de6a
BP		 1243 ds_put_char(string, '\n');
1244
c6430da5
BP		 1245 fs = ofpbuf_try_pull(&b, sizeof *fs);
1246 if (!fs) {
1247 ds_put_format(string, " ***%td leftover bytes at end***", b.size);
1248 break;
1249 }
1250
1251 length = ntohs(fs->length);
1252 if (length < sizeof *fs) {
1253 ds_put_format(string, " ***nx_flow_stats claims length %zu***",
1254 length);
1255 break;
1256 }
1257
1258 match_len = ntohs(fs->match_len);
1259 if (match_len > length - sizeof *fs) {
1260 ds_put_format(string, " ***length=%zu match_len=%d***",
1261 length, match_len);
1262 break;
1263 }
1264
09862ec6
BP		 1265 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1266 ntohll(fs->cookie));
1267 ofp_print_duration(string, ntohl(fs->duration_sec),
1268 ntohl(fs->duration_nsec));
1269 ds_put_format(string, ", table_id=%"PRIu8", ", fs->table_id);
c6430da5
BP		 1270 ds_put_format(string, "n_packets=%"PRIu64", ",
1271 ntohll(fs->packet_count));
1272 ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count));
1273 if (fs->idle_timeout != htons(OFP_FLOW_PERMANENT)) {
1274 ds_put_format(string, "idle_timeout=%"PRIu16",",
1275 ntohs(fs->idle_timeout));
1276 }
1277 if (fs->hard_timeout != htons(OFP_FLOW_PERMANENT)) {
1278 ds_put_format(string, "hard_timeout=%"PRIu16",",
1279 ntohs(fs->hard_timeout));
1280 }
1281
1282 error = nx_pull_match(&b, match_len, ntohs(fs->priority), &rule);
1283 if (error) {
1284 ofp_print_error(string, error);
1285 break;
1286 }
1287
1288 actions_len = length - sizeof *fs - ROUND_UP(match_len, 8);
1289 error = ofputil_pull_actions(&b, actions_len, &actions, &n_actions);
1290 if (error) {
1291 ofp_print_error(string, error);
1292 break;
1293 }
1294
1295 cls_rule_format(&rule, string);
1296 ds_put_char(string, ' ');
1297 ofp_print_actions(string, (const struct ofp_action_header *) actions,
1298 n_actions * sizeof *actions);
c6430da5
BP		 1299 }
1300}
1301
064af421 1302static void
a2ad9ecd
BP		 1303ofp_print_ofp_aggregate_stats_reply (
1304 struct ds *string, const struct ofp_aggregate_stats_reply *asr)
064af421 1305{
064af421
BP		 1306 ds_put_format(string, " packet_count=%"PRIu64, ntohll(asr->packet_count));
1307 ds_put_format(string, " byte_count=%"PRIu64, ntohll(asr->byte_count));
1308 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1309}
1310
a2ad9ecd
BP		 1311static void
1312ofp_print_ofpst_aggregate_reply(struct ds *string, const struct ofp_header *oh)
1313{
1314 ofp_print_ofp_aggregate_stats_reply(string, ofputil_stats_body(oh));
1315}
1316
1317static void
1318ofp_print_nxst_aggregate_reply(struct ds *string,
1319 const struct nx_aggregate_stats_reply *nasr)
1320{
1321 ofp_print_ofp_aggregate_stats_reply(string, &nasr->asr);
1322}
1323
d295e8e9 1324static void print_port_stat(struct ds *string, const char *leader,
064af421
BP		 1325 uint64_t stat, int more)
1326{
1327 ds_put_cstr(string, leader);
1328 if (stat != -1) {
1329 ds_put_format(string, "%"PRIu64, stat);
1330 } else {
1331 ds_put_char(string, '?');
1332 }
1333 if (more) {
1334 ds_put_cstr(string, ", ");
1335 } else {
1336 ds_put_cstr(string, "\n");
1337 }
1338}
1339
abaad8cf 1340static void
d1e2cf21 1341ofp_print_ofpst_port_request(struct ds *string, const struct ofp_header *oh)
abaad8cf 1342{
d1e2cf21 1343 const struct ofp_port_stats_request *psr = ofputil_stats_body(oh);
abaad8cf
JP		 1344 ds_put_format(string, "port_no=%"PRIu16, ntohs(psr->port_no));
1345}
1346
064af421 1347static void
d1e2cf21
BP		 1348ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1349 int verbosity)
064af421 1350{
d1e2cf21
BP		 1351 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1352 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
064af421
BP		 1353 ds_put_format(string, " %zu ports\n", n);
1354 if (verbosity < 1) {
1355 return;
1356 }
1357
1358 for (; n--; ps++) {
1359 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1360
1361 ds_put_cstr(string, "rx ");
1362 print_port_stat(string, "pkts=", ntohll(ps->rx_packets), 1);
1363 print_port_stat(string, "bytes=", ntohll(ps->rx_bytes), 1);
1364 print_port_stat(string, "drop=", ntohll(ps->rx_dropped), 1);
1365 print_port_stat(string, "errs=", ntohll(ps->rx_errors), 1);
1366 print_port_stat(string, "frame=", ntohll(ps->rx_frame_err), 1);
1367 print_port_stat(string, "over=", ntohll(ps->rx_over_err), 1);
1368 print_port_stat(string, "crc=", ntohll(ps->rx_crc_err), 0);
1369
1370 ds_put_cstr(string, " tx ");
1371 print_port_stat(string, "pkts=", ntohll(ps->tx_packets), 1);
1372 print_port_stat(string, "bytes=", ntohll(ps->tx_bytes), 1);
1373 print_port_stat(string, "drop=", ntohll(ps->tx_dropped), 1);
1374 print_port_stat(string, "errs=", ntohll(ps->tx_errors), 1);
1375 print_port_stat(string, "coll=", ntohll(ps->collisions), 0);
1376 }
1377}
1378
1379static void
d1e2cf21
BP		 1380ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1381 int verbosity)
064af421 1382{
d1e2cf21
BP		 1383 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1384 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
064af421
BP		 1385 ds_put_format(string, " %zu tables\n", n);
1386 if (verbosity < 1) {
1387 return;
1388 }
1389
1390 for (; n--; ts++) {
1391 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1392 strncpy(name, ts->name, sizeof name);
1393 name[OFP_MAX_TABLE_NAME_LEN] = '\0';
1394
1395 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1396 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1397 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1398 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1399 ds_put_cstr(string, " ");
d295e8e9 1400 ds_put_format(string, "lookup=%"PRIu64", ",
064af421
BP		 1401 ntohll(ts->lookup_count));
1402 ds_put_format(string, "matched=%"PRIu64"\n",
1403 ntohll(ts->matched_count));
1404 }
1405}
1406
d2805da2
BP		 1407static void
1408ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1409{
1410 if (queue_id == OFPQ_ALL) {
1411 ds_put_cstr(string, "ALL");
1412 } else {
1413 ds_put_format(string, "%"PRIu32, queue_id);
1414 }
1415}
1416
1417static void
d1e2cf21 1418ofp_print_ofpst_queue_request(struct ds *string, const struct ofp_header *oh)
d2805da2 1419{
d1e2cf21 1420 const struct ofp_queue_stats_request *qsr = ofputil_stats_body(oh);
d2805da2
BP		 1421
1422 ds_put_cstr(string, "port=");
1423 ofp_print_port_name(string, ntohs(qsr->port_no));
1424
1425 ds_put_cstr(string, " queue=");
1426 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1427}
1428
1429static void
d1e2cf21
BP		 1430ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1431 int verbosity)
d2805da2 1432{
d1e2cf21
BP		 1433 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1434 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
d2805da2
BP		 1435 ds_put_format(string, " %zu queues\n", n);
1436 if (verbosity < 1) {
1437 return;
1438 }
1439
1440 for (; n--; qs++) {
1441 ds_put_cstr(string, " port ");
1442 ofp_print_port_name(string, ntohs(qs->port_no));
1443 ds_put_cstr(string, " queue ");
1444 ofp_print_queue_name(string, ntohl(qs->queue_id));
1445 ds_put_cstr(string, ": ");
1446
1447 print_port_stat(string, "bytes=", ntohll(qs->tx_bytes), 1);
1448 print_port_stat(string, "pkts=", ntohll(qs->tx_packets), 1);
1449 print_port_stat(string, "errors=", ntohll(qs->tx_errors), 0);
1450 }
1451}
1452
064af421 1453static void
d1e2cf21 1454ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
064af421 1455{
d1e2cf21
BP		 1456 const struct ofp_stats_request *srq
1457 = (const struct ofp_stats_request *) oh;
064af421
BP		 1458
1459 if (srq->flags) {
1460 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1461 ntohs(srq->flags));
1462 }
064af421
BP		 1463}
1464
1465static void
d1e2cf21 1466ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
064af421 1467{
d1e2cf21 1468 const struct ofp_stats_reply *srp = (const struct ofp_stats_reply *) oh;
064af421 1469
d1e2cf21 1470 if (srp->flags) {
064af421 1471 uint16_t flags = ntohs(srp->flags);
d1e2cf21
BP		 1472
1473 ds_put_cstr(string, " flags=");
064af421
BP		 1474 if (flags & OFPSF_REPLY_MORE) {
1475 ds_put_cstr(string, "[more]");
1476 flags &= ~OFPSF_REPLY_MORE;
1477 }
1478 if (flags) {
d1e2cf21
BP		 1479 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1480 flags);
064af421
BP		 1481 }
1482 }
064af421
BP		 1483}
1484
1485static void
d1e2cf21 1486ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
064af421 1487{
d1e2cf21 1488 size_t len = ntohs(oh->length);
064af421 1489
d1e2cf21 1490 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
064af421 1491 if (verbosity > 1) {
d1e2cf21 1492 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
064af421
BP		 1493 }
1494}
1495
3731490f
BP		 1496static void
1497ofp_print_nxt_status_message(struct ds *string, const struct ofp_header *oh)
1498{
1499 struct ofpbuf b;
1500
1501 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1502 ofpbuf_pull(&b, sizeof *oh);
1503 ds_put_char(string, '"');
1504 ds_put_printable(string, b.data, b.size);
1505 ds_put_char(string, '"');
1506}
1507
7fa91113
BP		 1508static void
1509ofp_print_nxt_tun_id_from_cookie(struct ds *string,
1510 const struct nxt_tun_id_cookie *ntic)
1511{
1512 ds_put_format(string, " set=%"PRIu8, ntic->set);
1513}
1514
61fe3a7b
BP		 1515static void
1516ofp_print_nxt_role_message(struct ds *string,
1517 const struct nx_role_request *nrr)
1518{
1519 unsigned int role = ntohl(nrr->role);
1520
1521 ds_put_cstr(string, " role=");
1522 if (role == NX_ROLE_OTHER) {
1523 ds_put_cstr(string, "other");
1524 } else if (role == NX_ROLE_MASTER) {
1525 ds_put_cstr(string, "master");
1526 } else if (role == NX_ROLE_SLAVE) {
1527 ds_put_cstr(string, "slave");
1528 } else {
1529 ds_put_format(string, "%u", role);
1530 }
1531}
1532
7fa91113
BP		 1533static void
1534ofp_print_nxt_set_flow_format(struct ds *string,
1535 const struct nxt_set_flow_format *nsff)
1536{
1537 uint32_t format = ntohl(nsff->format);
1538
1539 ds_put_cstr(string, " format=");
1540 if (ofputil_flow_format_is_valid(format)) {
1541 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1542 } else {
1543 ds_put_format(string, "%"PRIu32, format);
1544 }
1545}
1546
d1e2cf21
BP		 1547static void
1548ofp_to_string__(const struct ofp_header *oh,
1549 const struct ofputil_msg_type *type, struct ds *string,
1550 int verbosity)
1551{
7fa91113 1552 enum ofputil_msg_code code;
d1e2cf21
BP		 1553 const void *msg = oh;
1554
1555 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1556 ofputil_msg_type_name(type), ntohl(oh->xid));
1557
7fa91113
BP		 1558 code = ofputil_msg_type_code(type);
1559 switch (code) {
d1e2cf21
BP		 1560 case OFPUTIL_INVALID:
1561 break;
1562
1563 case OFPUTIL_OFPT_HELLO:
1564 break;
1565
1566 case OFPUTIL_OFPT_ERROR:
1567 ofp_print_error_msg(string, msg);
1568 break;
1569
1570 case OFPUTIL_OFPT_ECHO_REQUEST:
1571 case OFPUTIL_OFPT_ECHO_REPLY:
1572 ofp_print_echo(string, oh, verbosity);
1573 break;
1574
1575 case OFPUTIL_OFPT_FEATURES_REQUEST:
1576 break;
1577
1578 case OFPUTIL_OFPT_FEATURES_REPLY:
1579 ofp_print_switch_features(string, msg);
1580 break;
1581
1582 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1583 break;
1584
1585 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1586 case OFPUTIL_OFPT_SET_CONFIG:
1587 ofp_print_switch_config(string, msg);
1588 break;
1589
1590 case OFPUTIL_OFPT_PACKET_IN:
1591 ofp_print_packet_in(string, msg, verbosity);
1592 break;
1593
1594 case OFPUTIL_OFPT_FLOW_REMOVED:
9b045a0c
BP		 1595 case OFPUTIL_NXT_FLOW_REMOVED:
1596 ofp_print_flow_removed(string, msg);
d1e2cf21
BP		 1597 break;
1598
1599 case OFPUTIL_OFPT_PORT_STATUS:
1600 ofp_print_port_status(string, msg);
1601 break;
1602
1603 case OFPUTIL_OFPT_PACKET_OUT:
1604 ofp_print_packet_out(string, msg, verbosity);
1605 break;
1606
1607 case OFPUTIL_OFPT_FLOW_MOD:
7fa91113 1608 ofp_print_flow_mod(string, msg, code, verbosity);
d1e2cf21
BP		 1609 break;
1610
1611 case OFPUTIL_OFPT_PORT_MOD:
1612 ofp_print_port_mod(string, msg);
1613 break;
1614
1615 case OFPUTIL_OFPT_BARRIER_REQUEST:
1616 case OFPUTIL_OFPT_BARRIER_REPLY:
1617 break;
1618
1619 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1620 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1621 /* XXX */
1622 break;
1623
1624 case OFPUTIL_OFPST_DESC_REQUEST:
1625 ofp_print_stats_request(string, oh);
1626 break;
1627
1628 case OFPUTIL_OFPST_FLOW_REQUEST:
2af0c0ef 1629 case OFPUTIL_NXST_FLOW_REQUEST:
d1e2cf21 1630 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
2af0c0ef 1631 case OFPUTIL_NXST_AGGREGATE_REQUEST:
d1e2cf21 1632 ofp_print_stats_request(string, oh);
2af0c0ef 1633 ofp_print_flow_stats_request(string, oh);
d1e2cf21
BP		 1634 break;
1635
1636 case OFPUTIL_OFPST_TABLE_REQUEST:
1637 ofp_print_stats_request(string, oh);
1638 break;
1639
1640 case OFPUTIL_OFPST_PORT_REQUEST:
1641 ofp_print_stats_request(string, oh);
1642 ofp_print_ofpst_port_request(string, oh);
1643 break;
1644
1645 case OFPUTIL_OFPST_QUEUE_REQUEST:
1646 ofp_print_stats_request(string, oh);
1647 ofp_print_ofpst_queue_request(string, oh);
1648 break;
1649
1650 case OFPUTIL_OFPST_DESC_REPLY:
1651 ofp_print_stats_reply(string, oh);
1652 ofp_print_ofpst_desc_reply(string, oh);
1653 break;
1654
1655 case OFPUTIL_OFPST_FLOW_REPLY:
1656 ofp_print_stats_reply(string, oh);
1657 ofp_print_ofpst_flow_reply(string, oh, verbosity);
1658 break;
1659
1660 case OFPUTIL_OFPST_QUEUE_REPLY:
1661 ofp_print_stats_reply(string, oh);
1662 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1663 break;
1664
1665 case OFPUTIL_OFPST_PORT_REPLY:
1666 ofp_print_stats_reply(string, oh);
1667 ofp_print_ofpst_port_reply(string, oh, verbosity);
1668 break;
1669
1670 case OFPUTIL_OFPST_TABLE_REPLY:
1671 ofp_print_stats_reply(string, oh);
1672 ofp_print_ofpst_table_reply(string, oh, verbosity);
1673 break;
1674
1675 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1676 ofp_print_stats_reply(string, oh);
1677 ofp_print_ofpst_aggregate_reply(string, oh);
1678 break;
064af421 1679
d1e2cf21
BP		 1680 case OFPUTIL_NXT_STATUS_REQUEST:
1681 case OFPUTIL_NXT_STATUS_REPLY:
3731490f 1682 ofp_print_nxt_status_message(string, oh);
7fa91113
BP		 1683 break;
1684
d1e2cf21 1685 case OFPUTIL_NXT_TUN_ID_FROM_COOKIE:
7fa91113
BP		 1686 ofp_print_nxt_tun_id_from_cookie(string, msg);
1687 break;
1688
d1e2cf21
BP		 1689 case OFPUTIL_NXT_ROLE_REQUEST:
1690 case OFPUTIL_NXT_ROLE_REPLY:
61fe3a7b 1691 ofp_print_nxt_role_message(string, msg);
7fa91113
BP		 1692 break;
1693
d1e2cf21 1694 case OFPUTIL_NXT_SET_FLOW_FORMAT:
7fa91113
BP		 1695 ofp_print_nxt_set_flow_format(string, msg);
1696 break;
1697
d1e2cf21 1698 case OFPUTIL_NXT_FLOW_MOD:
7fa91113
BP		 1699 ofp_print_flow_mod(string, msg, code, verbosity);
1700 break;
1701
d1e2cf21 1702 case OFPUTIL_NXST_FLOW_REPLY:
c6430da5
BP		 1703 ofp_print_nxst_flow_reply(string, oh);
1704 break;
1705
d1e2cf21 1706 case OFPUTIL_NXST_AGGREGATE_REPLY:
a2ad9ecd 1707 ofp_print_stats_reply(string, oh);
9b045a0c 1708 ofp_print_nxst_aggregate_reply(string, msg);
d1e2cf21 1709 break;
246e61ea 1710 }
d1e2cf21 1711}
064af421
BP		 1712
1713/* Composes and returns a string representing the OpenFlow packet of 'len'
1714 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1715 * verbosity and higher numbers increase verbosity. The caller is responsible
1716 * for freeing the string. */
1717char *
1718ofp_to_string(const void *oh_, size_t len, int verbosity)
1719{
1720 struct ds string = DS_EMPTY_INITIALIZER;
1721 const struct ofp_header *oh = oh_;
064af421 1722
49ad0403
BP		 1723 if (!len) {
1724 ds_put_cstr(&string, "OpenFlow message is empty\n");
1725 } else if (len < sizeof(struct ofp_header)) {
1726 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1727 len);
064af421 1728 } else if (oh->version != OFP_VERSION) {
d1e2cf21
BP		 1729 ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n",
1730 oh->version);
1731 } else if (ntohs(oh->length) > len) {
1732 ds_put_format(&string,
49ad0403 1733 "(***truncated to %zu bytes from %"PRIu16"***)\n",
d1e2cf21
BP		 1734 len, ntohs(oh->length));
1735 } else if (ntohs(oh->length) < len) {
1736 ds_put_format(&string,
1737 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1738 ntohs(oh->length), len);
1739 } else {
1740 const struct ofputil_msg_type *type;
d1e2cf21
BP		 1741 int error;
1742
1743 error = ofputil_decode_msg_type(oh, &type);
1744 if (!error) {
1745 ofp_to_string__(oh, type, &string, verbosity);
7fa91113
BP		 1746 if (verbosity >= 5) {
1747 if (ds_last(&string) != '\n') {
1748 ds_put_char(&string, '\n');
1749 }
d1e2cf21
BP		 1750 ds_put_hex_dump(&string, oh, len, 0, true);
1751 }
7fa91113 1752 if (ds_last(&string) != '\n') {
d1e2cf21
BP		 1753 ds_put_char(&string, '\n');
1754 }
1755 return ds_steal_cstr(&string);
064af421 1756 }
064af421 1757
7fa91113 1758 ofp_print_error(&string, error);
064af421 1759 }
d1e2cf21
BP		 1760 ds_put_hex_dump(&string, oh, len, 0, true);
1761 return ds_steal_cstr(&string);
064af421
BP		 1762}
1763
1764/* Returns the name for the specified OpenFlow message type as a string,
1765 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1766 * hex number, e.g. "0x55".
1767 *
1768 * The caller must free the returned string when it is no longer needed. */
1769char *
1770ofp_message_type_to_string(uint8_t type)
1771{
d1e2cf21 1772 const char *name;
064af421 1773
d1e2cf21
BP		 1774 switch (type) {
1775 case OFPT_HELLO:
1776 name = "HELLO";
1777 break;
1778 case OFPT_ERROR:
1779 name = "ERROR";
1780 break;
1781 case OFPT_ECHO_REQUEST:
1782 name = "ECHO_REQUEST";
1783 break;
1784 case OFPT_ECHO_REPLY:
1785 name = "ECHO_REPLY";
1786 break;
1787 case OFPT_VENDOR:
1788 name = "VENDOR";
1789 break;
1790 case OFPT_FEATURES_REQUEST:
1791 name = "FEATURES_REQUEST";
1792 break;
1793 case OFPT_FEATURES_REPLY:
1794 name = "FEATURES_REPLY";
1795 break;
1796 case OFPT_GET_CONFIG_REQUEST:
1797 name = "GET_CONFIG_REQUEST";
1798 break;
1799 case OFPT_GET_CONFIG_REPLY:
1800 name = "GET_CONFIG_REPLY";
1801 break;
1802 case OFPT_SET_CONFIG:
1803 name = "SET_CONFIG";
1804 break;
1805 case OFPT_PACKET_IN:
1806 name = "PACKET_IN";
1807 break;
1808 case OFPT_FLOW_REMOVED:
1809 name = "FLOW_REMOVED";
1810 break;
1811 case OFPT_PORT_STATUS:
1812 name = "PORT_STATUS";
1813 break;
1814 case OFPT_PACKET_OUT:
1815 name = "PACKET_OUT";
1816 break;
1817 case OFPT_FLOW_MOD:
1818 name = "FLOW_MOD";
1819 break;
1820 case OFPT_PORT_MOD:
1821 name = "PORT_MOD";
1822 break;
1823 case OFPT_STATS_REQUEST:
1824 name = "STATS_REQUEST";
1825 break;
1826 case OFPT_STATS_REPLY:
1827 name = "STATS_REPLY";
1828 break;
1829 case OFPT_BARRIER_REQUEST:
1830 name = "BARRIER_REQUEST";
1831 break;
1832 case OFPT_BARRIER_REPLY:
1833 name = "BARRIER_REPLY";
1834 break;
1835 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1836 name = "QUEUE_GET_CONFIG_REQUEST";
1837 break;
1838 case OFPT_QUEUE_GET_CONFIG_REPLY:
1839 name = "QUEUE_GET_CONFIG_REPLY";
1840 break;
1841 default:
1842 name = NULL;
1843 break;
064af421 1844 }
d1e2cf21
BP		 1845
1846 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
064af421
BP		 1847}
1848\f
1849static void
d295e8e9 1850print_and_free(FILE *stream, char *string)
064af421
BP		 1851{
1852 fputs(string, stream);
1853 free(string);
1854}
1855
1856/* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1857 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1858 * numbers increase verbosity. */
1859void
1860ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1861{
1862 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1863}
1864
1865/* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1866 * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of
1867 * the Ethernet frame (of which 'len' bytes were captured).
1868 *
1869 * This starts and kills a tcpdump subprocess so it's quite expensive. */
1870void
1871ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len)
1872{
1873 print_and_free(stream, ofp_packet_to_string(data, len, total_len));
1874}
openvswitch packages for PVE