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1 | /* | |
2 | * Copyright (c) 2008, 2009, 2010 Nicira Networks. | |
3 | * | |
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: | |
7 | * | |
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. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "ofp-print.h" | |
19 | ||
20 | #include <errno.h> | |
21 | #include <inttypes.h> | |
22 | #include <sys/types.h> | |
23 | #include <netinet/in.h> | |
24 | #include <sys/wait.h> | |
25 | #include <stdarg.h> | |
26 | #include <stdlib.h> | |
27 | #include <ctype.h> | |
28 | ||
29 | #include "byte-order.h" | |
30 | #include "compiler.h" | |
31 | #include "dynamic-string.h" | |
32 | #include "flow.h" | |
33 | #include "nx-match.h" | |
34 | #include "ofp-util.h" | |
35 | #include "ofpbuf.h" | |
36 | #include "openflow/openflow.h" | |
37 | #include "openflow/nicira-ext.h" | |
38 | #include "packets.h" | |
39 | #include "pcap.h" | |
40 | #include "type-props.h" | |
41 | #include "util.h" | |
42 | ||
43 | static void ofp_print_port_name(struct ds *string, uint16_t port); | |
44 | static void ofp_print_queue_name(struct ds *string, uint32_t port); | |
45 | static void ofp_print_error(struct ds *, int error); | |
46 | ||
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. */ | |
56 | char * | |
57 | ofp_packet_to_string(const void *data, size_t len, size_t total_len OVS_UNUSED) | |
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 | ||
68 | ofpbuf_use_const(&buf, data, len); | |
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)) { | |
101 | ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status)); | |
102 | } | |
103 | return ds_cstr(&ds); | |
104 | } | |
105 | ||
106 | static void | |
107 | ofp_print_packet_in(struct ds *string, const struct ofp_packet_in *op, | |
108 | int verbosity) | |
109 | { | |
110 | size_t len = ntohs(op->header.length); | |
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) { | |
136 | struct flow flow; | |
137 | struct ofpbuf packet; | |
138 | ||
139 | ofpbuf_use_const(&packet, op->data, data_len); | |
140 | flow_extract(&packet, 0, ntohs(op->in_port), &flow); | |
141 | flow_format(string, &flow); | |
142 | ds_put_char(string, '\n'); | |
143 | } | |
144 | if (verbosity > 1) { | |
145 | char *packet = ofp_packet_to_string(op->data, data_len, | |
146 | ntohs(op->total_len)); | |
147 | ds_put_cstr(string, packet); | |
148 | free(packet); | |
149 | } | |
150 | } | |
151 | ||
152 | static void ofp_print_port_name(struct ds *string, uint16_t port) | |
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 | ||
187 | ||
188 | static void | |
189 | print_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 | ||
204 | static int | |
205 | nx_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; | |
218 | case NXAST_SET_TUNNEL64: return sizeof(struct nx_action_set_tunnel64); | |
219 | default: return -1; | |
220 | } | |
221 | } | |
222 | ||
223 | static void | |
224 | ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah) | |
225 | { | |
226 | uint16_t subtype = ntohs(nah->subtype); | |
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 | } | |
235 | ||
236 | if (subtype <= TYPE_MAXIMUM(enum nx_action_subtype)) { | |
237 | const struct nx_action_set_tunnel64 *nast64; | |
238 | const struct nx_action_set_tunnel *nast; | |
239 | const struct nx_action_set_queue *nasq; | |
240 | const struct nx_action_resubmit *nar; | |
241 | const struct nx_action_reg_move *move; | |
242 | const struct nx_action_reg_load *load; | |
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: | |
274 | move = (const struct nx_action_reg_move *) nah; | |
275 | nxm_format_reg_move(move, string); | |
276 | return; | |
277 | ||
278 | case NXAST_REG_LOAD: | |
279 | load = (const struct nx_action_reg_load *) nah; | |
280 | nxm_format_reg_load(load, string); | |
281 | return; | |
282 | ||
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 | ||
289 | case NXAST_SNAT__OBSOLETE: | |
290 | default: | |
291 | break; | |
292 | } | |
293 | } | |
294 | ||
295 | ds_put_format(string, "***unknown Nicira action:%"PRIu16"***", subtype); | |
296 | } | |
297 | ||
298 | static int | |
299 | ofp_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; | |
316 | } | |
317 | } | |
318 | ||
319 | static int | |
320 | ofp_print_action(struct ds *string, const struct ofp_action_header *ah, | |
321 | size_t actions_len) | |
322 | { | |
323 | enum ofp_action_type type; | |
324 | int required_len; | |
325 | size_t len; | |
326 | ||
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) { | |
335 | ds_put_format(string, "***truncated action %d***\n", (int) type); | |
336 | return -1; | |
337 | } | |
338 | ||
339 | if (!len) { | |
340 | ds_put_format(string, "***zero-length action***\n"); | |
341 | return 8; | |
342 | } | |
343 | ||
344 | if ((len % OFP_ACTION_ALIGN) != 0) { | |
345 | ds_put_format(string, | |
346 | "***action %d length not a multiple of %d***\n", | |
347 | (int) type, OFP_ACTION_ALIGN); | |
348 | return -1; | |
349 | } | |
350 | ||
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; | |
356 | } | |
357 | ||
358 | switch (type) { | |
359 | case OFPAT_OUTPUT: { | |
360 | struct ofp_action_output *oa = (struct ofp_action_output *)ah; | |
361 | uint16_t port = ntohs(oa->port); | |
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 | ||
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 | ||
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; | |
409 | ds_put_format(string, "mod_dl_src:"ETH_ADDR_FMT, | |
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; | |
416 | ds_put_format(string, "mod_dl_dst:"ETH_ADDR_FMT, | |
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 | ||
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 | ||
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: { | |
452 | struct ofp_action_vendor_header *avh | |
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: | |
467 | ds_put_format(string, "(decoder %d not implemented)", (int) type); | |
468 | break; | |
469 | } | |
470 | ||
471 | return len; | |
472 | } | |
473 | ||
474 | void | |
475 | ofp_print_actions(struct ds *string, const struct ofp_action_header *action, | |
476 | size_t actions_len) | |
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 | } | |
489 | len = ofp_print_action(string, (struct ofp_action_header *)p, | |
490 | actions_len); | |
491 | if (len < 0) { | |
492 | return; | |
493 | } | |
494 | p += len; | |
495 | actions_len -= len; | |
496 | } | |
497 | } | |
498 | ||
499 | static void | |
500 | ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo, | |
501 | int verbosity) | |
502 | { | |
503 | size_t len = ntohs(opo->header.length); | |
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. */ | |
533 | static int | |
534 | compare_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 | ||
544 | static 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 | ||
589 | static void | |
590 | ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port) | |
591 | { | |
592 | char name[OFP_MAX_PORT_NAME_LEN]; | |
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 | ||
626 | static void | |
627 | ofp_print_switch_features(struct ds *string, | |
628 | const struct ofp_switch_features *osf) | |
629 | { | |
630 | size_t len = ntohs(osf->header.length); | |
631 | struct ofp_phy_port *port_list; | |
632 | int n_ports; | |
633 | int i; | |
634 | ||
635 | ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n", | |
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 | ||
642 | n_ports = (len - sizeof *osf) / sizeof *osf->ports; | |
643 | ||
644 | port_list = xmemdup(osf->ports, len - sizeof *osf); | |
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 | ||
652 | static void | |
653 | ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc) | |
654 | { | |
655 | uint16_t flags; | |
656 | ||
657 | flags = ntohs(osc->flags); | |
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 | ||
665 | static void print_wild(struct ds *string, const char *leader, int is_wild, | |
666 | int verbosity, const char *format, ...) | |
667 | __attribute__((format(printf, 5, 6))); | |
668 | ||
669 | static void print_wild(struct ds *string, const char *leader, int is_wild, | |
670 | int verbosity, const char *format, ...) | |
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 | ||
688 | static void | |
689 | print_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 | ||
707 | void | |
708 | ofp_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 | ||
715 | char * | |
716 | ofp_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 | } | |
747 | if (w & NXFW_TUN_ID) { | |
748 | ds_put_cstr(&f, "tun_id_wild,"); | |
749 | } | |
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, | |
753 | "%d", ntohs(om->dl_vlan)); | |
754 | print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity, | |
755 | "%d", om->dl_vlan_pcp); | |
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) { | |
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 | } | |
776 | } | |
777 | print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity, | |
778 | "%u", om->nw_tos); | |
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 | } | |
790 | if (ds_last(&f) == ',') { | |
791 | f.length--; | |
792 | } | |
793 | return ds_cstr(&f); | |
794 | } | |
795 | ||
796 | static void | |
797 | ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh, | |
798 | enum ofputil_msg_code code, int verbosity) | |
799 | { | |
800 | struct flow_mod fm; | |
801 | bool need_priority; | |
802 | int error; | |
803 | ||
804 | error = ofputil_decode_flow_mod(&fm, oh, NXFF_OPENFLOW10); | |
805 | if (error) { | |
806 | ofp_print_error(s, error); | |
807 | return; | |
808 | } | |
809 | ||
810 | ds_put_char(s, ' '); | |
811 | switch (fm.command) { | |
812 | case OFPFC_ADD: | |
813 | ds_put_cstr(s, "ADD"); | |
814 | break; | |
815 | case OFPFC_MODIFY: | |
816 | ds_put_cstr(s, "MOD"); | |
817 | break; | |
818 | case OFPFC_MODIFY_STRICT: | |
819 | ds_put_cstr(s, "MOD_STRICT"); | |
820 | break; | |
821 | case OFPFC_DELETE: | |
822 | ds_put_cstr(s, "DEL"); | |
823 | break; | |
824 | case OFPFC_DELETE_STRICT: | |
825 | ds_put_cstr(s, "DEL_STRICT"); | |
826 | break; | |
827 | default: | |
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; | |
834 | ofp_print_match(s, &ofm->match, verbosity); | |
835 | ||
836 | /* ofp_print_match() doesn't print priority. */ | |
837 | need_priority = true; | |
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; | |
841 | char *nxm_s; | |
842 | ||
843 | nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len)); | |
844 | ds_put_cstr(s, nxm_s); | |
845 | free(nxm_s); | |
846 | ||
847 | /* nx_match_to_string() doesn't print priority. */ | |
848 | need_priority = true; | |
849 | } else { | |
850 | cls_rule_format(&fm.cr, s); | |
851 | ||
852 | /* cls_rule_format() does print priority. */ | |
853 | need_priority = false; | |
854 | } | |
855 | ||
856 | if (ds_last(s) != ' ') { | |
857 | ds_put_char(s, ' '); | |
858 | } | |
859 | if (fm.cookie != htonll(0)) { | |
860 | ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie)); | |
861 | } | |
862 | if (fm.idle_timeout != OFP_FLOW_PERMANENT) { | |
863 | ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout); | |
864 | } | |
865 | if (fm.hard_timeout != OFP_FLOW_PERMANENT) { | |
866 | ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout); | |
867 | } | |
868 | if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) { | |
869 | ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority); | |
870 | } | |
871 | if (fm.buffer_id != UINT32_MAX) { | |
872 | ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id); | |
873 | } | |
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); | |
880 | } | |
881 | ||
882 | static void | |
883 | ofp_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 | ||
895 | static void | |
896 | ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh) | |
897 | { | |
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 | ||
909 | ds_put_cstr(string, " reason="); | |
910 | switch (fr.reason) { | |
911 | case OFPRR_IDLE_TIMEOUT: | |
912 | ds_put_cstr(string, "idle"); | |
913 | break; | |
914 | case OFPRR_HARD_TIMEOUT: | |
915 | ds_put_cstr(string, "hard"); | |
916 | break; | |
917 | case OFPRR_DELETE: | |
918 | ds_put_cstr(string, "delete"); | |
919 | break; | |
920 | default: | |
921 | ds_put_format(string, "**%"PRIu8"**", fr.reason); | |
922 | break; | |
923 | } | |
924 | ||
925 | if (fr.cookie != htonll(0)) { | |
926 | ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie)); | |
927 | } | |
928 | ds_put_cstr(string, " duration"); | |
929 | ofp_print_duration(string, fr.duration_sec, fr.duration_nsec); | |
930 | ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n", | |
931 | fr.idle_timeout, fr.packet_count, fr.byte_count); | |
932 | } | |
933 | ||
934 | static void | |
935 | ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm) | |
936 | { | |
937 | ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n", | |
938 | ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr), | |
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 | ||
948 | struct error_type { | |
949 | int type; | |
950 | int code; | |
951 | const char *name; | |
952 | }; | |
953 | ||
954 | static 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), | |
959 | ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_EPERM), | |
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), | |
965 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR), | |
966 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_SUBTYPE), | |
967 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_EPERM), | |
968 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN), | |
969 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_EMPTY), | |
970 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN), | |
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), | |
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), | |
985 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT), | |
986 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_EPERM), | |
987 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_TOO_MANY), | |
988 | ||
989 | ERROR_TYPE(OFPET_FLOW_MOD_FAILED), | |
990 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL), | |
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), | |
994 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_COMMAND), | |
995 | /* Nicira error extenstions. */ | |
996 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, NXFMFC_HARDWARE), | |
997 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, NXFMFC_BAD_TABLE_ID), | |
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) | |
1002 | }; | |
1003 | #define N_ERROR_TYPES ARRAY_SIZE(error_types) | |
1004 | ||
1005 | static const char * | |
1006 | lookup_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 | ||
1018 | static const char * | |
1019 | lookup_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 | ||
1031 | static void | |
1032 | ofp_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 | } | |
1039 | ds_put_format(string, " ***decode error type:%d(%s) code:%d(%s)***\n", | |
1040 | type, lookup_error_type(type), | |
1041 | code, lookup_error_code(type, code)); | |
1042 | } | |
1043 | ||
1044 | static void | |
1045 | ofp_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 | ||
1062 | static void | |
1063 | ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem) | |
1064 | { | |
1065 | size_t len = ntohs(oem->header.length); | |
1066 | int type = ntohs(oem->type); | |
1067 | int code = ntohs(oem->code); | |
1068 | char *s; | |
1069 | ||
1070 | ||
1071 | if (type == NXET_VENDOR && code == NXVC_VENDOR_ERROR) { | |
1072 | if (len < sizeof *oem + sizeof(struct nx_vendor_error)) { | |
1073 | ds_put_format(string, | |
1074 | "(***truncated extended error message is %zu bytes " | |
1075 | "when it should be at least %zu***)\n", | |
1076 | len, sizeof(struct nx_vendor_error)); | |
1077 | return; | |
1078 | } | |
1079 | ||
1080 | return ofp_print_nx_error_msg(string, oem); | |
1081 | } | |
1082 | ||
1083 | ds_put_format(string, " type:%d(%s) code:%d(%s) payload:\n", | |
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 | ||
1104 | static void | |
1105 | ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops) | |
1106 | { | |
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 | ||
1118 | static void | |
1119 | ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_header *oh) | |
1120 | { | |
1121 | const struct ofp_desc_stats *ods = ofputil_stats_body(oh); | |
1122 | ||
1123 | ds_put_format(string, "Manufacturer: %.*s\n", | |
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); | |
1133 | } | |
1134 | ||
1135 | static void | |
1136 | ofp_print_flow_stats_request(struct ds *string, const struct ofp_header *oh) | |
1137 | { | |
1138 | struct flow_stats_request fsr; | |
1139 | int error; | |
1140 | ||
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); | |
1149 | } | |
1150 | ||
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); | |
1158 | } | |
1159 | ||
1160 | static void | |
1161 | ofp_print_ofpst_flow_reply(struct ds *string, const struct ofp_header *oh, | |
1162 | int verbosity) | |
1163 | { | |
1164 | size_t len = ofputil_stats_body_len(oh); | |
1165 | const char *body = ofputil_stats_body(oh); | |
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 | ||
1172 | ds_put_char(string, '\n'); | |
1173 | ||
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 | ||
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); | |
1207 | ds_put_format(string, "priority=%"PRIu16", ", ntohs(fs->priority)); | |
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); | |
1220 | ds_put_char(string, ' '); | |
1221 | ofp_print_actions(string, fs->actions, length - sizeof *fs); | |
1222 | ||
1223 | pos += length; | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | static void | |
1228 | ofp_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 | ||
1243 | ds_put_char(string, '\n'); | |
1244 | ||
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 | ||
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); | |
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); | |
1299 | } | |
1300 | } | |
1301 | ||
1302 | static void | |
1303 | ofp_print_ofp_aggregate_stats_reply ( | |
1304 | struct ds *string, const struct ofp_aggregate_stats_reply *asr) | |
1305 | { | |
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 | ||
1311 | static void | |
1312 | ofp_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 | ||
1317 | static void | |
1318 | ofp_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 | ||
1324 | static void print_port_stat(struct ds *string, const char *leader, | |
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 | ||
1340 | static void | |
1341 | ofp_print_ofpst_port_request(struct ds *string, const struct ofp_header *oh) | |
1342 | { | |
1343 | const struct ofp_port_stats_request *psr = ofputil_stats_body(oh); | |
1344 | ds_put_format(string, "port_no=%"PRIu16, ntohs(psr->port_no)); | |
1345 | } | |
1346 | ||
1347 | static void | |
1348 | ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh, | |
1349 | int verbosity) | |
1350 | { | |
1351 | const struct ofp_port_stats *ps = ofputil_stats_body(oh); | |
1352 | size_t n = ofputil_stats_body_len(oh) / sizeof *ps; | |
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 | ||
1379 | static void | |
1380 | ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh, | |
1381 | int verbosity) | |
1382 | { | |
1383 | const struct ofp_table_stats *ts = ofputil_stats_body(oh); | |
1384 | size_t n = ofputil_stats_body_len(oh) / sizeof *ts; | |
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, " "); | |
1400 | ds_put_format(string, "lookup=%"PRIu64", ", | |
1401 | ntohll(ts->lookup_count)); | |
1402 | ds_put_format(string, "matched=%"PRIu64"\n", | |
1403 | ntohll(ts->matched_count)); | |
1404 | } | |
1405 | } | |
1406 | ||
1407 | static void | |
1408 | ofp_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 | ||
1417 | static void | |
1418 | ofp_print_ofpst_queue_request(struct ds *string, const struct ofp_header *oh) | |
1419 | { | |
1420 | const struct ofp_queue_stats_request *qsr = ofputil_stats_body(oh); | |
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 | ||
1429 | static void | |
1430 | ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh, | |
1431 | int verbosity) | |
1432 | { | |
1433 | const struct ofp_queue_stats *qs = ofputil_stats_body(oh); | |
1434 | size_t n = ofputil_stats_body_len(oh) / sizeof *qs; | |
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 | ||
1453 | static void | |
1454 | ofp_print_stats_request(struct ds *string, const struct ofp_header *oh) | |
1455 | { | |
1456 | const struct ofp_stats_request *srq | |
1457 | = (const struct ofp_stats_request *) oh; | |
1458 | ||
1459 | if (srq->flags) { | |
1460 | ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", | |
1461 | ntohs(srq->flags)); | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | static void | |
1466 | ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh) | |
1467 | { | |
1468 | const struct ofp_stats_reply *srp = (const struct ofp_stats_reply *) oh; | |
1469 | ||
1470 | if (srp->flags) { | |
1471 | uint16_t flags = ntohs(srp->flags); | |
1472 | ||
1473 | ds_put_cstr(string, " flags="); | |
1474 | if (flags & OFPSF_REPLY_MORE) { | |
1475 | ds_put_cstr(string, "[more]"); | |
1476 | flags &= ~OFPSF_REPLY_MORE; | |
1477 | } | |
1478 | if (flags) { | |
1479 | ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]", | |
1480 | flags); | |
1481 | } | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | static void | |
1486 | ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity) | |
1487 | { | |
1488 | size_t len = ntohs(oh->length); | |
1489 | ||
1490 | ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh); | |
1491 | if (verbosity > 1) { | |
1492 | ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true); | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | static void | |
1497 | ofp_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 | ||
1508 | static void | |
1509 | ofp_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 | ||
1515 | static void | |
1516 | ofp_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 | ||
1533 | static void | |
1534 | ofp_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 | ||
1547 | static void | |
1548 | ofp_to_string__(const struct ofp_header *oh, | |
1549 | const struct ofputil_msg_type *type, struct ds *string, | |
1550 | int verbosity) | |
1551 | { | |
1552 | enum ofputil_msg_code code; | |
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 | ||
1558 | code = ofputil_msg_type_code(type); | |
1559 | switch (code) { | |
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: | |
1595 | case OFPUTIL_NXT_FLOW_REMOVED: | |
1596 | ofp_print_flow_removed(string, msg); | |
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: | |
1608 | ofp_print_flow_mod(string, msg, code, verbosity); | |
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: | |
1629 | case OFPUTIL_NXST_FLOW_REQUEST: | |
1630 | case OFPUTIL_OFPST_AGGREGATE_REQUEST: | |
1631 | case OFPUTIL_NXST_AGGREGATE_REQUEST: | |
1632 | ofp_print_stats_request(string, oh); | |
1633 | ofp_print_flow_stats_request(string, oh); | |
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; | |
1679 | ||
1680 | case OFPUTIL_NXT_STATUS_REQUEST: | |
1681 | case OFPUTIL_NXT_STATUS_REPLY: | |
1682 | ofp_print_nxt_status_message(string, oh); | |
1683 | break; | |
1684 | ||
1685 | case OFPUTIL_NXT_TUN_ID_FROM_COOKIE: | |
1686 | ofp_print_nxt_tun_id_from_cookie(string, msg); | |
1687 | break; | |
1688 | ||
1689 | case OFPUTIL_NXT_ROLE_REQUEST: | |
1690 | case OFPUTIL_NXT_ROLE_REPLY: | |
1691 | ofp_print_nxt_role_message(string, msg); | |
1692 | break; | |
1693 | ||
1694 | case OFPUTIL_NXT_SET_FLOW_FORMAT: | |
1695 | ofp_print_nxt_set_flow_format(string, msg); | |
1696 | break; | |
1697 | ||
1698 | case OFPUTIL_NXT_FLOW_MOD: | |
1699 | ofp_print_flow_mod(string, msg, code, verbosity); | |
1700 | break; | |
1701 | ||
1702 | case OFPUTIL_NXST_FLOW_REPLY: | |
1703 | ofp_print_nxst_flow_reply(string, oh); | |
1704 | break; | |
1705 | ||
1706 | case OFPUTIL_NXST_AGGREGATE_REPLY: | |
1707 | ofp_print_stats_reply(string, oh); | |
1708 | ofp_print_nxst_aggregate_reply(string, msg); | |
1709 | break; | |
1710 | } | |
1711 | } | |
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. */ | |
1717 | char * | |
1718 | ofp_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_; | |
1722 | ||
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); | |
1728 | } else if (oh->version != OFP_VERSION) { | |
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, | |
1733 | "(***truncated to %zu bytes from %"PRIu16"***)\n", | |
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; | |
1741 | int error; | |
1742 | ||
1743 | error = ofputil_decode_msg_type(oh, &type); | |
1744 | if (!error) { | |
1745 | ofp_to_string__(oh, type, &string, verbosity); | |
1746 | if (verbosity >= 5) { | |
1747 | if (ds_last(&string) != '\n') { | |
1748 | ds_put_char(&string, '\n'); | |
1749 | } | |
1750 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1751 | } | |
1752 | if (ds_last(&string) != '\n') { | |
1753 | ds_put_char(&string, '\n'); | |
1754 | } | |
1755 | return ds_steal_cstr(&string); | |
1756 | } | |
1757 | ||
1758 | ofp_print_error(&string, error); | |
1759 | } | |
1760 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1761 | return ds_steal_cstr(&string); | |
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. */ | |
1769 | char * | |
1770 | ofp_message_type_to_string(uint8_t type) | |
1771 | { | |
1772 | const char *name; | |
1773 | ||
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; | |
1844 | } | |
1845 | ||
1846 | return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type); | |
1847 | } | |
1848 | \f | |
1849 | static void | |
1850 | print_and_free(FILE *stream, char *string) | |
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. */ | |
1859 | void | |
1860 | ofp_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. */ | |
1870 | void | |
1871 | ofp_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 | } |