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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 | ||
29 | #include "compiler.h" | |
30 | #include "dynamic-string.h" | |
31 | #include "flow.h" | |
32 | #include "ofpbuf.h" | |
33 | #include "openflow/openflow.h" | |
34 | #include "openflow/nicira-ext.h" | |
35 | #include "packets.h" | |
36 | #include "pcap.h" | |
37 | #include "util.h" | |
e5f1d483 | 38 | #include "xtoxll.h" |
064af421 BP |
39 | |
40 | static void ofp_print_port_name(struct ds *string, uint16_t port); | |
064af421 BP |
41 | |
42 | /* Returns a string that represents the contents of the Ethernet frame in the | |
43 | * 'len' bytes starting at 'data' to 'stream' as output by tcpdump. | |
44 | * 'total_len' specifies the full length of the Ethernet frame (of which 'len' | |
45 | * bytes were captured). | |
46 | * | |
47 | * The caller must free the returned string. | |
48 | * | |
49 | * This starts and kills a tcpdump subprocess so it's quite expensive. */ | |
50 | char * | |
67a4917b | 51 | ofp_packet_to_string(const void *data, size_t len, size_t total_len OVS_UNUSED) |
064af421 BP |
52 | { |
53 | struct ds ds = DS_EMPTY_INITIALIZER; | |
54 | struct ofpbuf buf; | |
55 | ||
56 | char command[128]; | |
57 | FILE *pcap; | |
58 | FILE *tcpdump; | |
59 | int status; | |
60 | int c; | |
61 | ||
62 | buf.data = (void *) data; | |
63 | buf.size = len; | |
64 | ||
65 | pcap = tmpfile(); | |
66 | if (!pcap) { | |
67 | ovs_error(errno, "tmpfile"); | |
68 | return xstrdup("<error>"); | |
69 | } | |
70 | pcap_write_header(pcap); | |
71 | pcap_write(pcap, &buf); | |
72 | fflush(pcap); | |
73 | if (ferror(pcap)) { | |
74 | ovs_error(errno, "error writing temporary file"); | |
75 | } | |
76 | rewind(pcap); | |
77 | ||
78 | snprintf(command, sizeof command, "/usr/sbin/tcpdump -e -n -r /dev/fd/%d 2>/dev/null", | |
79 | fileno(pcap)); | |
80 | tcpdump = popen(command, "r"); | |
81 | fclose(pcap); | |
82 | if (!tcpdump) { | |
83 | ovs_error(errno, "exec(\"%s\")", command); | |
84 | return xstrdup("<error>"); | |
85 | } | |
86 | ||
87 | while ((c = getc(tcpdump)) != EOF) { | |
88 | ds_put_char(&ds, c); | |
89 | } | |
90 | ||
91 | status = pclose(tcpdump); | |
92 | if (WIFEXITED(status)) { | |
93 | if (WEXITSTATUS(status)) | |
94 | ovs_error(0, "tcpdump exited with status %d", WEXITSTATUS(status)); | |
95 | } else if (WIFSIGNALED(status)) { | |
d295e8e9 | 96 | ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status)); |
064af421 BP |
97 | } |
98 | return ds_cstr(&ds); | |
99 | } | |
100 | ||
101 | /* Pretty-print the OFPT_PACKET_IN packet of 'len' bytes at 'oh' to 'stream' | |
102 | * at the given 'verbosity' level. */ | |
103 | static void | |
104 | ofp_packet_in(struct ds *string, const void *oh, size_t len, int verbosity) | |
105 | { | |
106 | const struct ofp_packet_in *op = oh; | |
107 | size_t data_len; | |
108 | ||
109 | ds_put_format(string, " total_len=%"PRIu16" in_port=", | |
110 | ntohs(op->total_len)); | |
111 | ofp_print_port_name(string, ntohs(op->in_port)); | |
112 | ||
113 | if (op->reason == OFPR_ACTION) | |
114 | ds_put_cstr(string, " (via action)"); | |
115 | else if (op->reason != OFPR_NO_MATCH) | |
116 | ds_put_format(string, " (***reason %"PRIu8"***)", op->reason); | |
117 | ||
118 | data_len = len - offsetof(struct ofp_packet_in, data); | |
119 | ds_put_format(string, " data_len=%zu", data_len); | |
120 | if (htonl(op->buffer_id) == UINT32_MAX) { | |
121 | ds_put_format(string, " (unbuffered)"); | |
122 | if (ntohs(op->total_len) != data_len) | |
123 | ds_put_format(string, " (***total_len != data_len***)"); | |
124 | } else { | |
125 | ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id)); | |
126 | if (ntohs(op->total_len) < data_len) | |
127 | ds_put_format(string, " (***total_len < data_len***)"); | |
128 | } | |
129 | ds_put_char(string, '\n'); | |
130 | ||
131 | if (verbosity > 0) { | |
132 | flow_t flow; | |
133 | struct ofpbuf packet; | |
134 | struct ofp_match match; | |
135 | packet.data = (void *) op->data; | |
136 | packet.size = data_len; | |
659586ef JG |
137 | flow_extract(&packet, 0, ntohs(op->in_port), &flow); |
138 | flow_to_match(&flow, 0, false, &match); | |
064af421 BP |
139 | ofp_print_match(string, &match, verbosity); |
140 | ds_put_char(string, '\n'); | |
141 | } | |
142 | if (verbosity > 1) { | |
143 | char *packet = ofp_packet_to_string(op->data, data_len, | |
d295e8e9 | 144 | ntohs(op->total_len)); |
064af421 BP |
145 | ds_put_cstr(string, packet); |
146 | free(packet); | |
147 | } | |
148 | } | |
149 | ||
d295e8e9 | 150 | static void ofp_print_port_name(struct ds *string, uint16_t port) |
064af421 BP |
151 | { |
152 | const char *name; | |
153 | switch (port) { | |
154 | case OFPP_IN_PORT: | |
155 | name = "IN_PORT"; | |
156 | break; | |
157 | case OFPP_TABLE: | |
158 | name = "TABLE"; | |
159 | break; | |
160 | case OFPP_NORMAL: | |
161 | name = "NORMAL"; | |
162 | break; | |
163 | case OFPP_FLOOD: | |
164 | name = "FLOOD"; | |
165 | break; | |
166 | case OFPP_ALL: | |
167 | name = "ALL"; | |
168 | break; | |
169 | case OFPP_CONTROLLER: | |
170 | name = "CONTROLLER"; | |
171 | break; | |
172 | case OFPP_LOCAL: | |
173 | name = "LOCAL"; | |
174 | break; | |
175 | case OFPP_NONE: | |
176 | name = "NONE"; | |
177 | break; | |
178 | default: | |
179 | ds_put_format(string, "%"PRIu16, port); | |
180 | return; | |
181 | } | |
182 | ds_put_cstr(string, name); | |
183 | } | |
184 | ||
185 | static void | |
186 | ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah) | |
187 | { | |
188 | switch (ntohs(nah->subtype)) { | |
189 | case NXAST_RESUBMIT: { | |
190 | const struct nx_action_resubmit *nar = (struct nx_action_resubmit *)nah; | |
191 | ds_put_format(string, "resubmit:"); | |
192 | ofp_print_port_name(string, ntohs(nar->in_port)); | |
193 | break; | |
194 | } | |
195 | ||
659586ef JG |
196 | case NXAST_SET_TUNNEL: { |
197 | const struct nx_action_set_tunnel *nast = | |
198 | (struct nx_action_set_tunnel *)nah; | |
199 | ds_put_format(string, "set_tunnel:0x%08"PRIx32, ntohl(nast->tun_id)); | |
200 | break; | |
201 | } | |
202 | ||
064af421 BP |
203 | default: |
204 | ds_put_format(string, "***unknown Nicira action:%d***\n", | |
205 | ntohs(nah->subtype)); | |
206 | } | |
207 | } | |
208 | ||
209 | static int | |
d295e8e9 JP |
210 | ofp_print_action(struct ds *string, const struct ofp_action_header *ah, |
211 | size_t actions_len) | |
064af421 BP |
212 | { |
213 | uint16_t type; | |
214 | size_t len; | |
215 | ||
216 | struct openflow_action { | |
217 | size_t min_size; | |
218 | size_t max_size; | |
219 | }; | |
220 | ||
221 | const struct openflow_action of_actions[] = { | |
222 | [OFPAT_OUTPUT] = { | |
223 | sizeof(struct ofp_action_output), | |
224 | sizeof(struct ofp_action_output), | |
225 | }, | |
226 | [OFPAT_SET_VLAN_VID] = { | |
227 | sizeof(struct ofp_action_vlan_vid), | |
228 | sizeof(struct ofp_action_vlan_vid), | |
229 | }, | |
230 | [OFPAT_SET_VLAN_PCP] = { | |
231 | sizeof(struct ofp_action_vlan_pcp), | |
232 | sizeof(struct ofp_action_vlan_pcp), | |
233 | }, | |
234 | [OFPAT_STRIP_VLAN] = { | |
235 | sizeof(struct ofp_action_header), | |
236 | sizeof(struct ofp_action_header), | |
237 | }, | |
238 | [OFPAT_SET_DL_SRC] = { | |
239 | sizeof(struct ofp_action_dl_addr), | |
240 | sizeof(struct ofp_action_dl_addr), | |
241 | }, | |
242 | [OFPAT_SET_DL_DST] = { | |
243 | sizeof(struct ofp_action_dl_addr), | |
244 | sizeof(struct ofp_action_dl_addr), | |
245 | }, | |
246 | [OFPAT_SET_NW_SRC] = { | |
247 | sizeof(struct ofp_action_nw_addr), | |
248 | sizeof(struct ofp_action_nw_addr), | |
249 | }, | |
250 | [OFPAT_SET_NW_DST] = { | |
251 | sizeof(struct ofp_action_nw_addr), | |
252 | sizeof(struct ofp_action_nw_addr), | |
253 | }, | |
959a2ecd JP |
254 | [OFPAT_SET_NW_TOS] = { |
255 | sizeof(struct ofp_action_nw_tos), | |
256 | sizeof(struct ofp_action_nw_tos), | |
257 | }, | |
064af421 BP |
258 | [OFPAT_SET_TP_SRC] = { |
259 | sizeof(struct ofp_action_tp_port), | |
260 | sizeof(struct ofp_action_tp_port), | |
261 | }, | |
262 | [OFPAT_SET_TP_DST] = { | |
263 | sizeof(struct ofp_action_tp_port), | |
264 | sizeof(struct ofp_action_tp_port), | |
265 | } | |
266 | /* OFPAT_VENDOR is not here, since it would blow up the array size. */ | |
267 | }; | |
268 | ||
269 | if (actions_len < sizeof *ah) { | |
270 | ds_put_format(string, "***action array too short for next action***\n"); | |
271 | return -1; | |
272 | } | |
273 | ||
274 | type = ntohs(ah->type); | |
275 | len = ntohs(ah->len); | |
276 | if (actions_len < len) { | |
277 | ds_put_format(string, "***truncated action %"PRIu16"***\n", type); | |
278 | return -1; | |
279 | } | |
280 | ||
281 | if ((len % 8) != 0) { | |
d295e8e9 | 282 | ds_put_format(string, |
064af421 BP |
283 | "***action %"PRIu16" length not a multiple of 8***\n", |
284 | type); | |
285 | return -1; | |
286 | } | |
287 | ||
288 | if (type < ARRAY_SIZE(of_actions)) { | |
289 | const struct openflow_action *act = &of_actions[type]; | |
290 | if ((len < act->min_size) || (len > act->max_size)) { | |
d295e8e9 | 291 | ds_put_format(string, |
064af421 BP |
292 | "***action %"PRIu16" wrong length: %zu***\n", type, len); |
293 | return -1; | |
294 | } | |
295 | } | |
d295e8e9 | 296 | |
064af421 BP |
297 | switch (type) { |
298 | case OFPAT_OUTPUT: { | |
299 | struct ofp_action_output *oa = (struct ofp_action_output *)ah; | |
d295e8e9 | 300 | uint16_t port = ntohs(oa->port); |
064af421 BP |
301 | if (port < OFPP_MAX) { |
302 | ds_put_format(string, "output:%"PRIu16, port); | |
303 | } else { | |
304 | ofp_print_port_name(string, port); | |
305 | if (port == OFPP_CONTROLLER) { | |
306 | if (oa->max_len) { | |
307 | ds_put_format(string, ":%"PRIu16, ntohs(oa->max_len)); | |
308 | } else { | |
309 | ds_put_cstr(string, ":all"); | |
310 | } | |
311 | } | |
312 | } | |
313 | break; | |
314 | } | |
315 | ||
c4d279ab BP |
316 | case OFPAT_ENQUEUE: { |
317 | struct ofp_action_enqueue *ea = (struct ofp_action_enqueue *)ah; | |
318 | unsigned int port = ntohs(ea->port); | |
319 | unsigned int queue_id = ntohl(ea->queue_id); | |
320 | ds_put_format(string, "enqueue:"); | |
321 | if (port != OFPP_IN_PORT) { | |
322 | ds_put_format(string, "%u", port); | |
323 | } else { | |
324 | ds_put_cstr(string, "IN_PORT"); | |
325 | } | |
326 | ds_put_format(string, "q%u", queue_id); | |
327 | break; | |
328 | } | |
329 | ||
064af421 BP |
330 | case OFPAT_SET_VLAN_VID: { |
331 | struct ofp_action_vlan_vid *va = (struct ofp_action_vlan_vid *)ah; | |
332 | ds_put_format(string, "mod_vlan_vid:%"PRIu16, ntohs(va->vlan_vid)); | |
333 | break; | |
334 | } | |
335 | ||
336 | case OFPAT_SET_VLAN_PCP: { | |
337 | struct ofp_action_vlan_pcp *va = (struct ofp_action_vlan_pcp *)ah; | |
338 | ds_put_format(string, "mod_vlan_pcp:%"PRIu8, va->vlan_pcp); | |
339 | break; | |
340 | } | |
341 | ||
342 | case OFPAT_STRIP_VLAN: | |
343 | ds_put_cstr(string, "strip_vlan"); | |
344 | break; | |
345 | ||
346 | case OFPAT_SET_DL_SRC: { | |
347 | struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah; | |
d295e8e9 | 348 | ds_put_format(string, "mod_dl_src:"ETH_ADDR_FMT, |
064af421 BP |
349 | ETH_ADDR_ARGS(da->dl_addr)); |
350 | break; | |
351 | } | |
352 | ||
353 | case OFPAT_SET_DL_DST: { | |
354 | struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah; | |
d295e8e9 | 355 | ds_put_format(string, "mod_dl_dst:"ETH_ADDR_FMT, |
064af421 BP |
356 | ETH_ADDR_ARGS(da->dl_addr)); |
357 | break; | |
358 | } | |
359 | ||
360 | case OFPAT_SET_NW_SRC: { | |
361 | struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah; | |
362 | ds_put_format(string, "mod_nw_src:"IP_FMT, IP_ARGS(&na->nw_addr)); | |
363 | break; | |
364 | } | |
365 | ||
366 | case OFPAT_SET_NW_DST: { | |
367 | struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah; | |
368 | ds_put_format(string, "mod_nw_dst:"IP_FMT, IP_ARGS(&na->nw_addr)); | |
369 | break; | |
370 | } | |
371 | ||
959a2ecd JP |
372 | case OFPAT_SET_NW_TOS: { |
373 | struct ofp_action_nw_tos *nt = (struct ofp_action_nw_tos *)ah; | |
374 | ds_put_format(string, "mod_nw_tos:%d", nt->nw_tos); | |
375 | break; | |
376 | } | |
377 | ||
064af421 BP |
378 | case OFPAT_SET_TP_SRC: { |
379 | struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah; | |
380 | ds_put_format(string, "mod_tp_src:%d", ntohs(ta->tp_port)); | |
381 | break; | |
382 | } | |
383 | ||
384 | case OFPAT_SET_TP_DST: { | |
385 | struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah; | |
386 | ds_put_format(string, "mod_tp_dst:%d", ntohs(ta->tp_port)); | |
387 | break; | |
388 | } | |
389 | ||
390 | case OFPAT_VENDOR: { | |
d295e8e9 | 391 | struct ofp_action_vendor_header *avh |
064af421 BP |
392 | = (struct ofp_action_vendor_header *)ah; |
393 | if (len < sizeof *avh) { | |
394 | ds_put_format(string, "***ofpat_vendor truncated***\n"); | |
395 | return -1; | |
396 | } | |
397 | if (avh->vendor == htonl(NX_VENDOR_ID)) { | |
398 | ofp_print_nx_action(string, (struct nx_action_header *)avh); | |
399 | } else { | |
400 | ds_put_format(string, "vendor action:0x%x", ntohl(avh->vendor)); | |
401 | } | |
402 | break; | |
403 | } | |
404 | ||
405 | default: | |
406 | ds_put_format(string, "(decoder %"PRIu16" not implemented)", type); | |
407 | break; | |
408 | } | |
409 | ||
410 | return len; | |
411 | } | |
412 | ||
d295e8e9 | 413 | void |
064af421 | 414 | ofp_print_actions(struct ds *string, const struct ofp_action_header *action, |
d295e8e9 | 415 | size_t actions_len) |
064af421 BP |
416 | { |
417 | uint8_t *p = (uint8_t *)action; | |
418 | int len = 0; | |
419 | ||
420 | ds_put_cstr(string, "actions="); | |
421 | if (!actions_len) { | |
422 | ds_put_cstr(string, "drop"); | |
423 | } | |
424 | while (actions_len > 0) { | |
425 | if (len) { | |
426 | ds_put_cstr(string, ","); | |
427 | } | |
d295e8e9 | 428 | len = ofp_print_action(string, (struct ofp_action_header *)p, |
064af421 BP |
429 | actions_len); |
430 | if (len < 0) { | |
431 | return; | |
432 | } | |
433 | p += len; | |
434 | actions_len -= len; | |
435 | } | |
436 | } | |
437 | ||
438 | /* Pretty-print the OFPT_PACKET_OUT packet of 'len' bytes at 'oh' to 'string' | |
439 | * at the given 'verbosity' level. */ | |
440 | static void ofp_packet_out(struct ds *string, const void *oh, size_t len, | |
d295e8e9 | 441 | int verbosity) |
064af421 BP |
442 | { |
443 | const struct ofp_packet_out *opo = oh; | |
444 | size_t actions_len = ntohs(opo->actions_len); | |
445 | ||
446 | ds_put_cstr(string, " in_port="); | |
447 | ofp_print_port_name(string, ntohs(opo->in_port)); | |
448 | ||
449 | ds_put_format(string, " actions_len=%zu ", actions_len); | |
450 | if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) { | |
451 | ds_put_format(string, "***packet too short for action length***\n"); | |
452 | return; | |
453 | } | |
454 | ofp_print_actions(string, opo->actions, actions_len); | |
455 | ||
456 | if (ntohl(opo->buffer_id) == UINT32_MAX) { | |
457 | int data_len = len - sizeof *opo - actions_len; | |
458 | ds_put_format(string, " data_len=%d", data_len); | |
459 | if (verbosity > 0 && len > sizeof *opo) { | |
460 | char *packet = ofp_packet_to_string( | |
461 | (uint8_t *)opo->actions + actions_len, data_len, data_len); | |
462 | ds_put_char(string, '\n'); | |
463 | ds_put_cstr(string, packet); | |
464 | free(packet); | |
465 | } | |
466 | } else { | |
467 | ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id)); | |
468 | } | |
469 | ds_put_char(string, '\n'); | |
470 | } | |
471 | ||
472 | /* qsort comparison function. */ | |
473 | static int | |
474 | compare_ports(const void *a_, const void *b_) | |
475 | { | |
476 | const struct ofp_phy_port *a = a_; | |
477 | const struct ofp_phy_port *b = b_; | |
478 | uint16_t ap = ntohs(a->port_no); | |
479 | uint16_t bp = ntohs(b->port_no); | |
480 | ||
481 | return ap < bp ? -1 : ap > bp; | |
482 | } | |
483 | ||
484 | static void ofp_print_port_features(struct ds *string, uint32_t features) | |
485 | { | |
486 | if (features == 0) { | |
487 | ds_put_cstr(string, "Unsupported\n"); | |
488 | return; | |
489 | } | |
490 | if (features & OFPPF_10MB_HD) { | |
491 | ds_put_cstr(string, "10MB-HD "); | |
492 | } | |
493 | if (features & OFPPF_10MB_FD) { | |
494 | ds_put_cstr(string, "10MB-FD "); | |
495 | } | |
496 | if (features & OFPPF_100MB_HD) { | |
497 | ds_put_cstr(string, "100MB-HD "); | |
498 | } | |
499 | if (features & OFPPF_100MB_FD) { | |
500 | ds_put_cstr(string, "100MB-FD "); | |
501 | } | |
502 | if (features & OFPPF_1GB_HD) { | |
503 | ds_put_cstr(string, "1GB-HD "); | |
504 | } | |
505 | if (features & OFPPF_1GB_FD) { | |
506 | ds_put_cstr(string, "1GB-FD "); | |
507 | } | |
508 | if (features & OFPPF_10GB_FD) { | |
509 | ds_put_cstr(string, "10GB-FD "); | |
510 | } | |
511 | if (features & OFPPF_COPPER) { | |
512 | ds_put_cstr(string, "COPPER "); | |
513 | } | |
514 | if (features & OFPPF_FIBER) { | |
515 | ds_put_cstr(string, "FIBER "); | |
516 | } | |
517 | if (features & OFPPF_AUTONEG) { | |
518 | ds_put_cstr(string, "AUTO_NEG "); | |
519 | } | |
520 | if (features & OFPPF_PAUSE) { | |
521 | ds_put_cstr(string, "AUTO_PAUSE "); | |
522 | } | |
523 | if (features & OFPPF_PAUSE_ASYM) { | |
524 | ds_put_cstr(string, "AUTO_PAUSE_ASYM "); | |
525 | } | |
526 | ds_put_char(string, '\n'); | |
527 | } | |
528 | ||
529 | static void | |
530 | ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port) | |
531 | { | |
532 | uint8_t name[OFP_MAX_PORT_NAME_LEN]; | |
533 | int j; | |
534 | ||
535 | memcpy(name, port->name, sizeof name); | |
536 | for (j = 0; j < sizeof name - 1; j++) { | |
537 | if (!isprint(name[j])) { | |
538 | break; | |
539 | } | |
540 | } | |
541 | name[j] = '\0'; | |
542 | ||
543 | ds_put_char(string, ' '); | |
544 | ofp_print_port_name(string, ntohs(port->port_no)); | |
545 | ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT", config: %#x, state:%#x\n", | |
546 | name, ETH_ADDR_ARGS(port->hw_addr), ntohl(port->config), | |
547 | ntohl(port->state)); | |
548 | if (port->curr) { | |
549 | ds_put_format(string, " current: "); | |
550 | ofp_print_port_features(string, ntohl(port->curr)); | |
551 | } | |
552 | if (port->advertised) { | |
553 | ds_put_format(string, " advertised: "); | |
554 | ofp_print_port_features(string, ntohl(port->advertised)); | |
555 | } | |
556 | if (port->supported) { | |
557 | ds_put_format(string, " supported: "); | |
558 | ofp_print_port_features(string, ntohl(port->supported)); | |
559 | } | |
560 | if (port->peer) { | |
561 | ds_put_format(string, " peer: "); | |
562 | ofp_print_port_features(string, ntohl(port->peer)); | |
563 | } | |
564 | } | |
565 | ||
566 | /* Pretty-print the struct ofp_switch_features of 'len' bytes at 'oh' to | |
567 | * 'string' at the given 'verbosity' level. */ | |
568 | static void | |
569 | ofp_print_switch_features(struct ds *string, const void *oh, size_t len, | |
67a4917b | 570 | int verbosity OVS_UNUSED) |
064af421 BP |
571 | { |
572 | const struct ofp_switch_features *osf = oh; | |
573 | struct ofp_phy_port *port_list; | |
574 | int n_ports; | |
575 | int i; | |
576 | ||
d295e8e9 | 577 | ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n", |
064af421 BP |
578 | osf->header.version, ntohll(osf->datapath_id)); |
579 | ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables, | |
580 | ntohl(osf->n_buffers)); | |
581 | ds_put_format(string, "features: capabilities:%#x, actions:%#x\n", | |
582 | ntohl(osf->capabilities), ntohl(osf->actions)); | |
583 | ||
584 | if (ntohs(osf->header.length) >= sizeof *osf) { | |
585 | len = MIN(len, ntohs(osf->header.length)); | |
586 | } | |
587 | n_ports = (len - sizeof *osf) / sizeof *osf->ports; | |
588 | ||
d295e8e9 | 589 | port_list = xmemdup(osf->ports, len - sizeof *osf); |
064af421 BP |
590 | qsort(port_list, n_ports, sizeof *port_list, compare_ports); |
591 | for (i = 0; i < n_ports; i++) { | |
592 | ofp_print_phy_port(string, &port_list[i]); | |
593 | } | |
594 | free(port_list); | |
595 | } | |
596 | ||
597 | /* Pretty-print the struct ofp_switch_config of 'len' bytes at 'oh' to 'string' | |
598 | * at the given 'verbosity' level. */ | |
599 | static void | |
67a4917b BP |
600 | ofp_print_switch_config(struct ds *string, const void *oh, |
601 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
064af421 BP |
602 | { |
603 | const struct ofp_switch_config *osc = oh; | |
604 | uint16_t flags; | |
605 | ||
606 | flags = ntohs(osc->flags); | |
064af421 BP |
607 | if (flags) { |
608 | ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags); | |
609 | } | |
610 | ||
611 | ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len)); | |
612 | } | |
613 | ||
614 | static void print_wild(struct ds *string, const char *leader, int is_wild, | |
d295e8e9 | 615 | int verbosity, const char *format, ...) |
064af421 BP |
616 | __attribute__((format(printf, 5, 6))); |
617 | ||
618 | static void print_wild(struct ds *string, const char *leader, int is_wild, | |
d295e8e9 | 619 | int verbosity, const char *format, ...) |
064af421 BP |
620 | { |
621 | if (is_wild && verbosity < 2) { | |
622 | return; | |
623 | } | |
624 | ds_put_cstr(string, leader); | |
625 | if (!is_wild) { | |
626 | va_list args; | |
627 | ||
628 | va_start(args, format); | |
629 | ds_put_format_valist(string, format, args); | |
630 | va_end(args); | |
631 | } else { | |
632 | ds_put_char(string, '*'); | |
633 | } | |
634 | ds_put_char(string, ','); | |
635 | } | |
636 | ||
637 | static void | |
638 | print_ip_netmask(struct ds *string, const char *leader, uint32_t ip, | |
639 | uint32_t wild_bits, int verbosity) | |
640 | { | |
641 | if (wild_bits >= 32 && verbosity < 2) { | |
642 | return; | |
643 | } | |
644 | ds_put_cstr(string, leader); | |
645 | if (wild_bits < 32) { | |
646 | ds_put_format(string, IP_FMT, IP_ARGS(&ip)); | |
647 | if (wild_bits) { | |
648 | ds_put_format(string, "/%d", 32 - wild_bits); | |
649 | } | |
650 | } else { | |
651 | ds_put_char(string, '*'); | |
652 | } | |
653 | ds_put_char(string, ','); | |
654 | } | |
655 | ||
4f2cad2c | 656 | void |
064af421 BP |
657 | ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity) |
658 | { | |
659 | char *s = ofp_match_to_string(om, verbosity); | |
660 | ds_put_cstr(f, s); | |
661 | free(s); | |
662 | } | |
663 | ||
664 | char * | |
665 | ofp_match_to_string(const struct ofp_match *om, int verbosity) | |
666 | { | |
667 | struct ds f = DS_EMPTY_INITIALIZER; | |
668 | uint32_t w = ntohl(om->wildcards); | |
669 | bool skip_type = false; | |
670 | bool skip_proto = false; | |
671 | ||
672 | if (!(w & OFPFW_DL_TYPE)) { | |
673 | skip_type = true; | |
674 | if (om->dl_type == htons(ETH_TYPE_IP)) { | |
675 | if (!(w & OFPFW_NW_PROTO)) { | |
676 | skip_proto = true; | |
677 | if (om->nw_proto == IP_TYPE_ICMP) { | |
678 | ds_put_cstr(&f, "icmp,"); | |
679 | } else if (om->nw_proto == IP_TYPE_TCP) { | |
680 | ds_put_cstr(&f, "tcp,"); | |
681 | } else if (om->nw_proto == IP_TYPE_UDP) { | |
682 | ds_put_cstr(&f, "udp,"); | |
683 | } else { | |
684 | ds_put_cstr(&f, "ip,"); | |
685 | skip_proto = false; | |
686 | } | |
687 | } else { | |
688 | ds_put_cstr(&f, "ip,"); | |
689 | } | |
690 | } else if (om->dl_type == htons(ETH_TYPE_ARP)) { | |
691 | ds_put_cstr(&f, "arp,"); | |
692 | } else { | |
693 | skip_type = false; | |
694 | } | |
695 | } | |
659586ef JG |
696 | if (w & NXFW_TUN_ID) { |
697 | ds_put_cstr(&f, "tun_id_wild,"); | |
698 | } | |
064af421 BP |
699 | print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity, |
700 | "%d", ntohs(om->in_port)); | |
701 | print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity, | |
6a1f89c8 | 702 | "%d", ntohs(om->dl_vlan)); |
959a2ecd JP |
703 | print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity, |
704 | "%d", om->dl_vlan_pcp); | |
064af421 BP |
705 | print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity, |
706 | ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src)); | |
707 | print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity, | |
708 | ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst)); | |
709 | if (!skip_type) { | |
710 | print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity, | |
711 | "0x%04x", ntohs(om->dl_type)); | |
712 | } | |
713 | print_ip_netmask(&f, "nw_src=", om->nw_src, | |
714 | (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity); | |
715 | print_ip_netmask(&f, "nw_dst=", om->nw_dst, | |
716 | (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity); | |
717 | if (!skip_proto) { | |
fb892732 JP |
718 | if (om->dl_type == htons(ETH_TYPE_ARP)) { |
719 | print_wild(&f, "opcode=", w & OFPFW_NW_PROTO, verbosity, | |
720 | "%u", om->nw_proto); | |
721 | } else { | |
722 | print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity, | |
723 | "%u", om->nw_proto); | |
834377ea JP |
724 | print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity, |
725 | "%u", om->nw_tos); | |
fb892732 | 726 | } |
064af421 BP |
727 | } |
728 | if (om->nw_proto == IP_TYPE_ICMP) { | |
729 | print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity, | |
730 | "%d", ntohs(om->icmp_type)); | |
731 | print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity, | |
732 | "%d", ntohs(om->icmp_code)); | |
733 | } else { | |
734 | print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity, | |
735 | "%d", ntohs(om->tp_src)); | |
736 | print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity, | |
737 | "%d", ntohs(om->tp_dst)); | |
738 | } | |
739 | return ds_cstr(&f); | |
740 | } | |
741 | ||
742 | /* Pretty-print the OFPT_FLOW_MOD packet of 'len' bytes at 'oh' to 'string' | |
743 | * at the given 'verbosity' level. */ | |
744 | static void | |
d295e8e9 | 745 | ofp_print_flow_mod(struct ds *string, const void *oh, size_t len, |
064af421 BP |
746 | int verbosity) |
747 | { | |
748 | const struct ofp_flow_mod *ofm = oh; | |
749 | ||
750 | ofp_print_match(string, &ofm->match, verbosity); | |
751 | switch (ntohs(ofm->command)) { | |
752 | case OFPFC_ADD: | |
753 | ds_put_cstr(string, " ADD: "); | |
754 | break; | |
755 | case OFPFC_MODIFY: | |
756 | ds_put_cstr(string, " MOD: "); | |
757 | break; | |
758 | case OFPFC_MODIFY_STRICT: | |
759 | ds_put_cstr(string, " MOD_STRICT: "); | |
760 | break; | |
761 | case OFPFC_DELETE: | |
762 | ds_put_cstr(string, " DEL: "); | |
763 | break; | |
764 | case OFPFC_DELETE_STRICT: | |
765 | ds_put_cstr(string, " DEL_STRICT: "); | |
766 | break; | |
767 | default: | |
768 | ds_put_format(string, " cmd:%d ", ntohs(ofm->command)); | |
769 | } | |
8cce2125 | 770 | ds_put_format(string, "cookie:0x%"PRIx64" idle:%d hard:%d pri:%d " |
d295e8e9 | 771 | "buf:%#x flags:%"PRIx16" ", ntohll(ofm->cookie), |
064af421 BP |
772 | ntohs(ofm->idle_timeout), ntohs(ofm->hard_timeout), |
773 | ofm->match.wildcards ? ntohs(ofm->priority) : (uint16_t)-1, | |
ca069229 | 774 | ntohl(ofm->buffer_id), ntohs(ofm->flags)); |
064af421 BP |
775 | ofp_print_actions(string, ofm->actions, |
776 | len - offsetof(struct ofp_flow_mod, actions)); | |
777 | ds_put_char(string, '\n'); | |
778 | } | |
779 | ||
ca069229 | 780 | /* Pretty-print the OFPT_FLOW_REMOVED packet of 'len' bytes at 'oh' to 'string' |
064af421 BP |
781 | * at the given 'verbosity' level. */ |
782 | static void | |
d295e8e9 | 783 | ofp_print_flow_removed(struct ds *string, const void *oh, |
67a4917b | 784 | size_t len OVS_UNUSED, int verbosity) |
064af421 | 785 | { |
ca069229 | 786 | const struct ofp_flow_removed *ofr = oh; |
064af421 | 787 | |
ca069229 | 788 | ofp_print_match(string, &ofr->match, verbosity); |
064af421 | 789 | ds_put_cstr(string, " reason="); |
ca069229 JP |
790 | switch (ofr->reason) { |
791 | case OFPRR_IDLE_TIMEOUT: | |
064af421 BP |
792 | ds_put_cstr(string, "idle"); |
793 | break; | |
ca069229 | 794 | case OFPRR_HARD_TIMEOUT: |
064af421 BP |
795 | ds_put_cstr(string, "hard"); |
796 | break; | |
ca069229 JP |
797 | case OFPRR_DELETE: |
798 | ds_put_cstr(string, "delete"); | |
799 | break; | |
064af421 | 800 | default: |
ca069229 | 801 | ds_put_format(string, "**%"PRIu8"**", ofr->reason); |
064af421 BP |
802 | break; |
803 | } | |
d295e8e9 | 804 | ds_put_format(string, |
8cce2125 | 805 | " cookie0x%"PRIx64" pri%"PRIu16" secs%"PRIu32" nsecs%"PRIu32 |
d295e8e9 | 806 | " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n", |
26c3f94a | 807 | ntohll(ofr->cookie), |
ca069229 | 808 | ofr->match.wildcards ? ntohs(ofr->priority) : (uint16_t)-1, |
26c3f94a | 809 | ntohl(ofr->duration_sec), ntohl(ofr->duration_nsec), |
d295e8e9 | 810 | ntohs(ofr->idle_timeout), ntohll(ofr->packet_count), |
26c3f94a | 811 | ntohll(ofr->byte_count)); |
064af421 BP |
812 | } |
813 | ||
814 | static void | |
67a4917b BP |
815 | ofp_print_port_mod(struct ds *string, const void *oh, size_t len OVS_UNUSED, |
816 | int verbosity OVS_UNUSED) | |
064af421 BP |
817 | { |
818 | const struct ofp_port_mod *opm = oh; | |
819 | ||
820 | ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n", | |
d295e8e9 | 821 | ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr), |
064af421 BP |
822 | ntohl(opm->config), ntohl(opm->mask)); |
823 | ds_put_format(string, " advertise: "); | |
824 | if (opm->advertise) { | |
825 | ofp_print_port_features(string, ntohl(opm->advertise)); | |
826 | } else { | |
827 | ds_put_format(string, "UNCHANGED\n"); | |
828 | } | |
829 | } | |
830 | ||
831 | struct error_type { | |
832 | int type; | |
833 | int code; | |
834 | const char *name; | |
835 | }; | |
836 | ||
837 | static const struct error_type error_types[] = { | |
838 | #define ERROR_TYPE(TYPE) {TYPE, -1, #TYPE} | |
839 | #define ERROR_CODE(TYPE, CODE) {TYPE, CODE, #CODE} | |
840 | ERROR_TYPE(OFPET_HELLO_FAILED), | |
841 | ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_INCOMPATIBLE), | |
49bdc010 | 842 | ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_EPERM), |
064af421 BP |
843 | |
844 | ERROR_TYPE(OFPET_BAD_REQUEST), | |
845 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION), | |
846 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE), | |
847 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_STAT), | |
b4785c1e JP |
848 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR), |
849 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_SUBTYPE), | |
49bdc010 JP |
850 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_EPERM), |
851 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN), | |
b4785c1e | 852 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_EMPTY), |
49bdc010 | 853 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN), |
064af421 BP |
854 | |
855 | ERROR_TYPE(OFPET_BAD_ACTION), | |
856 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_TYPE), | |
857 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_LEN), | |
858 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR), | |
859 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR_TYPE), | |
860 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT), | |
b4785c1e | 861 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT), |
49bdc010 | 862 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_EPERM), |
b4785c1e | 863 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_TOO_MANY), |
064af421 BP |
864 | |
865 | ERROR_TYPE(OFPET_FLOW_MOD_FAILED), | |
b4785c1e | 866 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL), |
49bdc010 JP |
867 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_OVERLAP), |
868 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_EPERM), | |
869 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_EMERG_TIMEOUT), | |
b4785c1e JP |
870 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_COMMAND), |
871 | ||
872 | ERROR_TYPE(OFPET_PORT_MOD_FAILED), | |
873 | ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_PORT), | |
874 | ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_HW_ADDR) | |
064af421 BP |
875 | }; |
876 | #define N_ERROR_TYPES ARRAY_SIZE(error_types) | |
877 | ||
878 | static const char * | |
879 | lookup_error_type(int type) | |
880 | { | |
881 | const struct error_type *t; | |
882 | ||
883 | for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) { | |
884 | if (t->type == type && t->code == -1) { | |
885 | return t->name; | |
886 | } | |
887 | } | |
888 | return "?"; | |
889 | } | |
890 | ||
891 | static const char * | |
892 | lookup_error_code(int type, int code) | |
893 | { | |
894 | const struct error_type *t; | |
895 | ||
896 | for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) { | |
897 | if (t->type == type && t->code == code) { | |
898 | return t->name; | |
899 | } | |
900 | } | |
901 | return "?"; | |
902 | } | |
903 | ||
904 | /* Pretty-print the OFPT_ERROR packet of 'len' bytes at 'oh' to 'string' | |
905 | * at the given 'verbosity' level. */ | |
906 | static void | |
d295e8e9 | 907 | ofp_print_error_msg(struct ds *string, const void *oh, size_t len, |
67a4917b | 908 | int verbosity OVS_UNUSED) |
064af421 BP |
909 | { |
910 | const struct ofp_error_msg *oem = oh; | |
911 | int type = ntohs(oem->type); | |
912 | int code = ntohs(oem->code); | |
913 | char *s; | |
914 | ||
915 | ds_put_format(string, " type%d(%s) code%d(%s) payload:\n", | |
916 | type, lookup_error_type(type), | |
917 | code, lookup_error_code(type, code)); | |
918 | ||
919 | switch (type) { | |
920 | case OFPET_HELLO_FAILED: | |
921 | ds_put_printable(string, (char *) oem->data, len - sizeof *oem); | |
922 | break; | |
923 | ||
924 | case OFPET_BAD_REQUEST: | |
925 | s = ofp_to_string(oem->data, len - sizeof *oem, 1); | |
926 | ds_put_cstr(string, s); | |
927 | free(s); | |
928 | break; | |
929 | ||
930 | default: | |
931 | ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true); | |
932 | break; | |
933 | } | |
934 | } | |
935 | ||
936 | /* Pretty-print the OFPT_PORT_STATUS packet of 'len' bytes at 'oh' to 'string' | |
937 | * at the given 'verbosity' level. */ | |
938 | static void | |
67a4917b BP |
939 | ofp_print_port_status(struct ds *string, const void *oh, size_t len OVS_UNUSED, |
940 | int verbosity OVS_UNUSED) | |
064af421 BP |
941 | { |
942 | const struct ofp_port_status *ops = oh; | |
943 | ||
944 | if (ops->reason == OFPPR_ADD) { | |
945 | ds_put_format(string, " ADD:"); | |
946 | } else if (ops->reason == OFPPR_DELETE) { | |
947 | ds_put_format(string, " DEL:"); | |
948 | } else if (ops->reason == OFPPR_MODIFY) { | |
949 | ds_put_format(string, " MOD:"); | |
950 | } | |
951 | ||
952 | ofp_print_phy_port(string, &ops->desc); | |
953 | } | |
954 | ||
955 | static void | |
67a4917b BP |
956 | ofp_desc_stats_reply(struct ds *string, const void *body, |
957 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
064af421 BP |
958 | { |
959 | const struct ofp_desc_stats *ods = body; | |
960 | ||
d295e8e9 | 961 | ds_put_format(string, "Manufacturer: %.*s\n", |
dd70b475 JP |
962 | (int) sizeof ods->mfr_desc, ods->mfr_desc); |
963 | ds_put_format(string, "Hardware: %.*s\n", | |
964 | (int) sizeof ods->hw_desc, ods->hw_desc); | |
965 | ds_put_format(string, "Software: %.*s\n", | |
966 | (int) sizeof ods->sw_desc, ods->sw_desc); | |
967 | ds_put_format(string, "Serial Num: %.*s\n", | |
968 | (int) sizeof ods->serial_num, ods->serial_num); | |
969 | ds_put_format(string, "DP Description: %.*s\n", | |
970 | (int) sizeof ods->dp_desc, ods->dp_desc); | |
064af421 BP |
971 | } |
972 | ||
973 | static void | |
67a4917b BP |
974 | ofp_flow_stats_request(struct ds *string, const void *oh, |
975 | size_t len OVS_UNUSED, int verbosity) | |
064af421 BP |
976 | { |
977 | const struct ofp_flow_stats_request *fsr = oh; | |
978 | ||
979 | if (fsr->table_id == 0xff) { | |
980 | ds_put_format(string, " table_id=any, "); | |
981 | } else { | |
982 | ds_put_format(string, " table_id=%"PRIu8", ", fsr->table_id); | |
983 | } | |
984 | ||
985 | ofp_print_match(string, &fsr->match, verbosity); | |
986 | } | |
987 | ||
988 | static void | |
989 | ofp_flow_stats_reply(struct ds *string, const void *body_, size_t len, | |
990 | int verbosity) | |
991 | { | |
992 | const char *body = body_; | |
993 | const char *pos = body; | |
994 | for (;;) { | |
995 | const struct ofp_flow_stats *fs; | |
996 | ptrdiff_t bytes_left = body + len - pos; | |
997 | size_t length; | |
998 | ||
999 | if (bytes_left < sizeof *fs) { | |
1000 | if (bytes_left != 0) { | |
1001 | ds_put_format(string, " ***%td leftover bytes at end***", | |
1002 | bytes_left); | |
1003 | } | |
1004 | break; | |
1005 | } | |
1006 | ||
1007 | fs = (const void *) pos; | |
1008 | length = ntohs(fs->length); | |
1009 | if (length < sizeof *fs) { | |
1010 | ds_put_format(string, " ***length=%zu shorter than minimum %zu***", | |
1011 | length, sizeof *fs); | |
1012 | break; | |
1013 | } else if (length > bytes_left) { | |
1014 | ds_put_format(string, | |
1015 | " ***length=%zu but only %td bytes left***", | |
1016 | length, bytes_left); | |
1017 | break; | |
1018 | } else if ((length - sizeof *fs) % sizeof fs->actions[0]) { | |
1019 | ds_put_format(string, | |
1020 | " ***length=%zu has %zu bytes leftover in " | |
1021 | "final action***", | |
1022 | length, | |
1023 | (length - sizeof *fs) % sizeof fs->actions[0]); | |
1024 | break; | |
1025 | } | |
1026 | ||
8cce2125 | 1027 | ds_put_format(string, " cookie=0x%"PRIx64", ", ntohll(fs->cookie)); |
d295e8e9 | 1028 | ds_put_format(string, "duration_sec=%"PRIu32"s, ", |
26c3f94a | 1029 | ntohl(fs->duration_sec)); |
d295e8e9 | 1030 | ds_put_format(string, "duration_nsec=%"PRIu32"ns, ", |
26c3f94a | 1031 | ntohl(fs->duration_nsec)); |
064af421 | 1032 | ds_put_format(string, "table_id=%"PRIu8", ", fs->table_id); |
d295e8e9 | 1033 | ds_put_format(string, "priority=%"PRIu16", ", |
064af421 BP |
1034 | fs->match.wildcards ? ntohs(fs->priority) : (uint16_t)-1); |
1035 | ds_put_format(string, "n_packets=%"PRIu64", ", | |
1036 | ntohll(fs->packet_count)); | |
1037 | ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count)); | |
1038 | if (fs->idle_timeout != htons(OFP_FLOW_PERMANENT)) { | |
1039 | ds_put_format(string, "idle_timeout=%"PRIu16",", | |
1040 | ntohs(fs->idle_timeout)); | |
1041 | } | |
1042 | if (fs->hard_timeout != htons(OFP_FLOW_PERMANENT)) { | |
1043 | ds_put_format(string, "hard_timeout=%"PRIu16",", | |
1044 | ntohs(fs->hard_timeout)); | |
1045 | } | |
1046 | ofp_print_match(string, &fs->match, verbosity); | |
1047 | ofp_print_actions(string, fs->actions, length - sizeof *fs); | |
1048 | ds_put_char(string, '\n'); | |
1049 | ||
1050 | pos += length; | |
1051 | } | |
1052 | } | |
1053 | ||
1054 | static void | |
1055 | ofp_aggregate_stats_request(struct ds *string, const void *oh, | |
67a4917b | 1056 | size_t len OVS_UNUSED, int verbosity) |
064af421 BP |
1057 | { |
1058 | const struct ofp_aggregate_stats_request *asr = oh; | |
1059 | ||
1060 | if (asr->table_id == 0xff) { | |
1061 | ds_put_format(string, " table_id=any, "); | |
1062 | } else { | |
1063 | ds_put_format(string, " table_id=%"PRIu8", ", asr->table_id); | |
1064 | } | |
1065 | ||
1066 | ofp_print_match(string, &asr->match, verbosity); | |
1067 | } | |
1068 | ||
1069 | static void | |
1070 | ofp_aggregate_stats_reply(struct ds *string, const void *body_, | |
67a4917b | 1071 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) |
064af421 BP |
1072 | { |
1073 | const struct ofp_aggregate_stats_reply *asr = body_; | |
1074 | ||
1075 | ds_put_format(string, " packet_count=%"PRIu64, ntohll(asr->packet_count)); | |
1076 | ds_put_format(string, " byte_count=%"PRIu64, ntohll(asr->byte_count)); | |
1077 | ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count)); | |
1078 | } | |
1079 | ||
d295e8e9 | 1080 | static void print_port_stat(struct ds *string, const char *leader, |
064af421 BP |
1081 | uint64_t stat, int more) |
1082 | { | |
1083 | ds_put_cstr(string, leader); | |
1084 | if (stat != -1) { | |
1085 | ds_put_format(string, "%"PRIu64, stat); | |
1086 | } else { | |
1087 | ds_put_char(string, '?'); | |
1088 | } | |
1089 | if (more) { | |
1090 | ds_put_cstr(string, ", "); | |
1091 | } else { | |
1092 | ds_put_cstr(string, "\n"); | |
1093 | } | |
1094 | } | |
1095 | ||
abaad8cf JP |
1096 | static void |
1097 | ofp_port_stats_request(struct ds *string, const void *body_, | |
1098 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
1099 | { | |
1100 | const struct ofp_port_stats_request *psr = body_; | |
1101 | ds_put_format(string, "port_no=%"PRIu16, ntohs(psr->port_no)); | |
1102 | } | |
1103 | ||
064af421 BP |
1104 | static void |
1105 | ofp_port_stats_reply(struct ds *string, const void *body, size_t len, | |
1106 | int verbosity) | |
1107 | { | |
1108 | const struct ofp_port_stats *ps = body; | |
1109 | size_t n = len / sizeof *ps; | |
1110 | ds_put_format(string, " %zu ports\n", n); | |
1111 | if (verbosity < 1) { | |
1112 | return; | |
1113 | } | |
1114 | ||
1115 | for (; n--; ps++) { | |
1116 | ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no)); | |
1117 | ||
1118 | ds_put_cstr(string, "rx "); | |
1119 | print_port_stat(string, "pkts=", ntohll(ps->rx_packets), 1); | |
1120 | print_port_stat(string, "bytes=", ntohll(ps->rx_bytes), 1); | |
1121 | print_port_stat(string, "drop=", ntohll(ps->rx_dropped), 1); | |
1122 | print_port_stat(string, "errs=", ntohll(ps->rx_errors), 1); | |
1123 | print_port_stat(string, "frame=", ntohll(ps->rx_frame_err), 1); | |
1124 | print_port_stat(string, "over=", ntohll(ps->rx_over_err), 1); | |
1125 | print_port_stat(string, "crc=", ntohll(ps->rx_crc_err), 0); | |
1126 | ||
1127 | ds_put_cstr(string, " tx "); | |
1128 | print_port_stat(string, "pkts=", ntohll(ps->tx_packets), 1); | |
1129 | print_port_stat(string, "bytes=", ntohll(ps->tx_bytes), 1); | |
1130 | print_port_stat(string, "drop=", ntohll(ps->tx_dropped), 1); | |
1131 | print_port_stat(string, "errs=", ntohll(ps->tx_errors), 1); | |
1132 | print_port_stat(string, "coll=", ntohll(ps->collisions), 0); | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | static void | |
1137 | ofp_table_stats_reply(struct ds *string, const void *body, size_t len, | |
1138 | int verbosity) | |
1139 | { | |
1140 | const struct ofp_table_stats *ts = body; | |
1141 | size_t n = len / sizeof *ts; | |
1142 | ds_put_format(string, " %zu tables\n", n); | |
1143 | if (verbosity < 1) { | |
1144 | return; | |
1145 | } | |
1146 | ||
1147 | for (; n--; ts++) { | |
1148 | char name[OFP_MAX_TABLE_NAME_LEN + 1]; | |
1149 | strncpy(name, ts->name, sizeof name); | |
1150 | name[OFP_MAX_TABLE_NAME_LEN] = '\0'; | |
1151 | ||
1152 | ds_put_format(string, " %d: %-8s: ", ts->table_id, name); | |
1153 | ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards)); | |
1154 | ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries)); | |
1155 | ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count)); | |
1156 | ds_put_cstr(string, " "); | |
d295e8e9 | 1157 | ds_put_format(string, "lookup=%"PRIu64", ", |
064af421 BP |
1158 | ntohll(ts->lookup_count)); |
1159 | ds_put_format(string, "matched=%"PRIu64"\n", | |
1160 | ntohll(ts->matched_count)); | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | static void | |
1165 | vendor_stat(struct ds *string, const void *body, size_t len, | |
67a4917b | 1166 | int verbosity OVS_UNUSED) |
064af421 BP |
1167 | { |
1168 | ds_put_format(string, " vendor=%08"PRIx32, ntohl(*(uint32_t *) body)); | |
1169 | ds_put_format(string, " %zu bytes additional data", | |
1170 | len - sizeof(uint32_t)); | |
1171 | } | |
1172 | ||
1173 | enum stats_direction { | |
1174 | REQUEST, | |
1175 | REPLY | |
1176 | }; | |
1177 | ||
1178 | static void | |
1179 | print_stats(struct ds *string, int type, const void *body, size_t body_len, | |
1180 | int verbosity, enum stats_direction direction) | |
1181 | { | |
1182 | struct stats_msg { | |
1183 | size_t min_body, max_body; | |
1184 | void (*printer)(struct ds *, const void *, size_t len, int verbosity); | |
1185 | }; | |
1186 | ||
1187 | struct stats_type { | |
1188 | int type; | |
1189 | const char *name; | |
1190 | struct stats_msg request; | |
1191 | struct stats_msg reply; | |
1192 | }; | |
1193 | ||
1194 | static const struct stats_type stats_types[] = { | |
1195 | { | |
1196 | OFPST_DESC, | |
1197 | "description", | |
1198 | { 0, 0, NULL }, | |
1199 | { 0, SIZE_MAX, ofp_desc_stats_reply }, | |
1200 | }, | |
1201 | { | |
1202 | OFPST_FLOW, | |
1203 | "flow", | |
1204 | { sizeof(struct ofp_flow_stats_request), | |
1205 | sizeof(struct ofp_flow_stats_request), | |
1206 | ofp_flow_stats_request }, | |
1207 | { 0, SIZE_MAX, ofp_flow_stats_reply }, | |
1208 | }, | |
1209 | { | |
1210 | OFPST_AGGREGATE, | |
1211 | "aggregate", | |
1212 | { sizeof(struct ofp_aggregate_stats_request), | |
1213 | sizeof(struct ofp_aggregate_stats_request), | |
1214 | ofp_aggregate_stats_request }, | |
1215 | { sizeof(struct ofp_aggregate_stats_reply), | |
1216 | sizeof(struct ofp_aggregate_stats_reply), | |
1217 | ofp_aggregate_stats_reply }, | |
1218 | }, | |
1219 | { | |
1220 | OFPST_TABLE, | |
1221 | "table", | |
1222 | { 0, 0, NULL }, | |
1223 | { 0, SIZE_MAX, ofp_table_stats_reply }, | |
1224 | }, | |
1225 | { | |
1226 | OFPST_PORT, | |
1227 | "port", | |
d295e8e9 JP |
1228 | { sizeof(struct ofp_port_stats_request), |
1229 | sizeof(struct ofp_port_stats_request), | |
abaad8cf | 1230 | ofp_port_stats_request }, |
064af421 BP |
1231 | { 0, SIZE_MAX, ofp_port_stats_reply }, |
1232 | }, | |
1233 | { | |
1234 | OFPST_VENDOR, | |
1235 | "vendor-specific", | |
1236 | { sizeof(uint32_t), SIZE_MAX, vendor_stat }, | |
1237 | { sizeof(uint32_t), SIZE_MAX, vendor_stat }, | |
1238 | }, | |
1239 | { | |
1240 | -1, | |
1241 | "unknown", | |
1242 | { 0, 0, NULL, }, | |
1243 | { 0, 0, NULL, }, | |
1244 | }, | |
1245 | }; | |
1246 | ||
1247 | const struct stats_type *s; | |
1248 | const struct stats_msg *m; | |
1249 | ||
1250 | if (type >= ARRAY_SIZE(stats_types) || !stats_types[type].name) { | |
1251 | ds_put_format(string, " ***unknown type %d***", type); | |
1252 | return; | |
1253 | } | |
1254 | for (s = stats_types; s->type >= 0; s++) { | |
1255 | if (s->type == type) { | |
1256 | break; | |
1257 | } | |
1258 | } | |
1259 | ds_put_format(string, " type=%d(%s)\n", type, s->name); | |
1260 | ||
1261 | m = direction == REQUEST ? &s->request : &s->reply; | |
1262 | if (body_len < m->min_body || body_len > m->max_body) { | |
1263 | ds_put_format(string, " ***body_len=%zu not in %zu...%zu***", | |
1264 | body_len, m->min_body, m->max_body); | |
1265 | return; | |
1266 | } | |
1267 | if (m->printer) { | |
1268 | m->printer(string, body, body_len, verbosity); | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | static void | |
1273 | ofp_stats_request(struct ds *string, const void *oh, size_t len, int verbosity) | |
1274 | { | |
1275 | const struct ofp_stats_request *srq = oh; | |
1276 | ||
1277 | if (srq->flags) { | |
1278 | ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", | |
1279 | ntohs(srq->flags)); | |
1280 | } | |
1281 | ||
1282 | print_stats(string, ntohs(srq->type), srq->body, | |
1283 | len - offsetof(struct ofp_stats_request, body), | |
1284 | verbosity, REQUEST); | |
1285 | } | |
1286 | ||
1287 | static void | |
1288 | ofp_stats_reply(struct ds *string, const void *oh, size_t len, int verbosity) | |
1289 | { | |
1290 | const struct ofp_stats_reply *srp = oh; | |
1291 | ||
1292 | ds_put_cstr(string, " flags="); | |
1293 | if (!srp->flags) { | |
1294 | ds_put_cstr(string, "none"); | |
1295 | } else { | |
1296 | uint16_t flags = ntohs(srp->flags); | |
1297 | if (flags & OFPSF_REPLY_MORE) { | |
1298 | ds_put_cstr(string, "[more]"); | |
1299 | flags &= ~OFPSF_REPLY_MORE; | |
1300 | } | |
1301 | if (flags) { | |
1302 | ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]", flags); | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | print_stats(string, ntohs(srp->type), srp->body, | |
1307 | len - offsetof(struct ofp_stats_reply, body), | |
1308 | verbosity, REPLY); | |
1309 | } | |
1310 | ||
1311 | static void | |
1312 | ofp_echo(struct ds *string, const void *oh, size_t len, int verbosity) | |
1313 | { | |
1314 | const struct ofp_header *hdr = oh; | |
1315 | ||
1316 | ds_put_format(string, " %zu bytes of payload\n", len - sizeof *hdr); | |
1317 | if (verbosity > 1) { | |
d295e8e9 | 1318 | ds_put_hex_dump(string, hdr, len - sizeof *hdr, 0, true); |
064af421 BP |
1319 | } |
1320 | } | |
1321 | ||
1322 | struct openflow_packet { | |
1323 | uint8_t type; | |
1324 | const char *name; | |
1325 | size_t min_size; | |
1326 | void (*printer)(struct ds *, const void *, size_t len, int verbosity); | |
1327 | }; | |
1328 | ||
1329 | static const struct openflow_packet packets[] = { | |
1330 | { | |
1331 | OFPT_HELLO, | |
1332 | "hello", | |
1333 | sizeof (struct ofp_header), | |
1334 | NULL, | |
1335 | }, | |
1336 | { | |
1337 | OFPT_FEATURES_REQUEST, | |
1338 | "features_request", | |
1339 | sizeof (struct ofp_header), | |
1340 | NULL, | |
1341 | }, | |
1342 | { | |
1343 | OFPT_FEATURES_REPLY, | |
1344 | "features_reply", | |
1345 | sizeof (struct ofp_switch_features), | |
1346 | ofp_print_switch_features, | |
1347 | }, | |
1348 | { | |
1349 | OFPT_GET_CONFIG_REQUEST, | |
1350 | "get_config_request", | |
1351 | sizeof (struct ofp_header), | |
1352 | NULL, | |
1353 | }, | |
1354 | { | |
1355 | OFPT_GET_CONFIG_REPLY, | |
1356 | "get_config_reply", | |
1357 | sizeof (struct ofp_switch_config), | |
1358 | ofp_print_switch_config, | |
1359 | }, | |
1360 | { | |
1361 | OFPT_SET_CONFIG, | |
1362 | "set_config", | |
1363 | sizeof (struct ofp_switch_config), | |
1364 | ofp_print_switch_config, | |
1365 | }, | |
1366 | { | |
1367 | OFPT_PACKET_IN, | |
1368 | "packet_in", | |
1369 | offsetof(struct ofp_packet_in, data), | |
1370 | ofp_packet_in, | |
1371 | }, | |
1372 | { | |
1373 | OFPT_PACKET_OUT, | |
1374 | "packet_out", | |
1375 | sizeof (struct ofp_packet_out), | |
1376 | ofp_packet_out, | |
1377 | }, | |
1378 | { | |
1379 | OFPT_FLOW_MOD, | |
1380 | "flow_mod", | |
1381 | sizeof (struct ofp_flow_mod), | |
1382 | ofp_print_flow_mod, | |
1383 | }, | |
1384 | { | |
ca069229 JP |
1385 | OFPT_FLOW_REMOVED, |
1386 | "flow_removed", | |
1387 | sizeof (struct ofp_flow_removed), | |
1388 | ofp_print_flow_removed, | |
064af421 BP |
1389 | }, |
1390 | { | |
1391 | OFPT_PORT_MOD, | |
1392 | "port_mod", | |
1393 | sizeof (struct ofp_port_mod), | |
1394 | ofp_print_port_mod, | |
1395 | }, | |
1396 | { | |
1397 | OFPT_PORT_STATUS, | |
1398 | "port_status", | |
1399 | sizeof (struct ofp_port_status), | |
1400 | ofp_print_port_status | |
1401 | }, | |
1402 | { | |
1403 | OFPT_ERROR, | |
1404 | "error_msg", | |
1405 | sizeof (struct ofp_error_msg), | |
1406 | ofp_print_error_msg, | |
1407 | }, | |
1408 | { | |
1409 | OFPT_STATS_REQUEST, | |
1410 | "stats_request", | |
1411 | sizeof (struct ofp_stats_request), | |
1412 | ofp_stats_request, | |
1413 | }, | |
1414 | { | |
1415 | OFPT_STATS_REPLY, | |
1416 | "stats_reply", | |
1417 | sizeof (struct ofp_stats_reply), | |
1418 | ofp_stats_reply, | |
1419 | }, | |
1420 | { | |
1421 | OFPT_ECHO_REQUEST, | |
1422 | "echo_request", | |
1423 | sizeof (struct ofp_header), | |
1424 | ofp_echo, | |
1425 | }, | |
1426 | { | |
1427 | OFPT_ECHO_REPLY, | |
1428 | "echo_reply", | |
1429 | sizeof (struct ofp_header), | |
1430 | ofp_echo, | |
1431 | }, | |
1432 | { | |
1433 | OFPT_VENDOR, | |
1434 | "vendor", | |
1435 | sizeof (struct ofp_vendor_header), | |
1436 | NULL, | |
1437 | }, | |
246e61ea JP |
1438 | { |
1439 | OFPT_BARRIER_REQUEST, | |
1440 | "barrier_request", | |
1441 | sizeof (struct ofp_header), | |
1442 | NULL, | |
1443 | }, | |
1444 | { | |
1445 | OFPT_BARRIER_REPLY, | |
1446 | "barrier_reply", | |
1447 | sizeof (struct ofp_header), | |
1448 | NULL, | |
1449 | } | |
064af421 BP |
1450 | }; |
1451 | ||
1452 | /* Composes and returns a string representing the OpenFlow packet of 'len' | |
1453 | * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of | |
1454 | * verbosity and higher numbers increase verbosity. The caller is responsible | |
1455 | * for freeing the string. */ | |
1456 | char * | |
1457 | ofp_to_string(const void *oh_, size_t len, int verbosity) | |
1458 | { | |
1459 | struct ds string = DS_EMPTY_INITIALIZER; | |
1460 | const struct ofp_header *oh = oh_; | |
1461 | const struct openflow_packet *pkt; | |
1462 | ||
1463 | if (len < sizeof(struct ofp_header)) { | |
1464 | ds_put_cstr(&string, "OpenFlow packet too short:\n"); | |
1465 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1466 | return ds_cstr(&string); | |
1467 | } else if (oh->version != OFP_VERSION) { | |
1468 | ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n", oh->version); | |
1469 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1470 | return ds_cstr(&string); | |
1471 | } | |
1472 | ||
1473 | for (pkt = packets; ; pkt++) { | |
1474 | if (pkt >= &packets[ARRAY_SIZE(packets)]) { | |
1475 | ds_put_format(&string, "Unknown OpenFlow packet type %"PRIu8":\n", | |
1476 | oh->type); | |
1477 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1478 | return ds_cstr(&string); | |
1479 | } else if (oh->type == pkt->type) { | |
1480 | break; | |
1481 | } | |
1482 | } | |
1483 | ||
1484 | ds_put_format(&string, "%s (xid=0x%"PRIx32"):", pkt->name, oh->xid); | |
1485 | ||
1486 | if (ntohs(oh->length) > len) | |
1487 | ds_put_format(&string, " (***truncated to %zu bytes from %"PRIu16"***)", | |
1488 | len, ntohs(oh->length)); | |
1489 | else if (ntohs(oh->length) < len) { | |
1490 | ds_put_format(&string, " (***only uses %"PRIu16" bytes out of %zu***)\n", | |
1491 | ntohs(oh->length), len); | |
1492 | len = ntohs(oh->length); | |
1493 | } | |
1494 | ||
1495 | if (len < pkt->min_size) { | |
1496 | ds_put_format(&string, " (***length=%zu < min_size=%zu***)\n", | |
1497 | len, pkt->min_size); | |
1498 | } else if (!pkt->printer) { | |
1499 | if (len > sizeof *oh) { | |
1500 | ds_put_format(&string, " length=%"PRIu16" (decoder not implemented)\n", | |
d295e8e9 | 1501 | ntohs(oh->length)); |
064af421 BP |
1502 | } |
1503 | } else { | |
1504 | pkt->printer(&string, oh, len, verbosity); | |
1505 | } | |
1506 | if (verbosity >= 3) { | |
1507 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1508 | } | |
1509 | if (string.string[string.length - 1] != '\n') { | |
1510 | ds_put_char(&string, '\n'); | |
1511 | } | |
1512 | return ds_cstr(&string); | |
1513 | } | |
1514 | ||
1515 | /* Returns the name for the specified OpenFlow message type as a string, | |
1516 | * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a | |
1517 | * hex number, e.g. "0x55". | |
1518 | * | |
1519 | * The caller must free the returned string when it is no longer needed. */ | |
1520 | char * | |
1521 | ofp_message_type_to_string(uint8_t type) | |
1522 | { | |
1523 | struct ds s = DS_EMPTY_INITIALIZER; | |
1524 | const struct openflow_packet *pkt; | |
1525 | for (pkt = packets; ; pkt++) { | |
1526 | if (pkt >= &packets[ARRAY_SIZE(packets)]) { | |
1527 | ds_put_format(&s, "0x%02"PRIx8, type); | |
1528 | break; | |
1529 | } else if (type == pkt->type) { | |
1530 | const char *p; | |
1531 | ||
1532 | ds_put_cstr(&s, "OFPT_"); | |
1533 | for (p = pkt->name; *p; p++) { | |
1534 | ds_put_char(&s, toupper((unsigned char) *p)); | |
1535 | } | |
1536 | break; | |
1537 | } | |
1538 | } | |
1539 | return ds_cstr(&s); | |
1540 | } | |
1541 | \f | |
1542 | static void | |
d295e8e9 | 1543 | print_and_free(FILE *stream, char *string) |
064af421 BP |
1544 | { |
1545 | fputs(string, stream); | |
1546 | free(string); | |
1547 | } | |
1548 | ||
1549 | /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the | |
1550 | * given 'verbosity' level. 0 is a minimal amount of verbosity and higher | |
1551 | * numbers increase verbosity. */ | |
1552 | void | |
1553 | ofp_print(FILE *stream, const void *oh, size_t len, int verbosity) | |
1554 | { | |
1555 | print_and_free(stream, ofp_to_string(oh, len, verbosity)); | |
1556 | } | |
1557 | ||
1558 | /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at | |
1559 | * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of | |
1560 | * the Ethernet frame (of which 'len' bytes were captured). | |
1561 | * | |
1562 | * This starts and kills a tcpdump subprocess so it's quite expensive. */ | |
1563 | void | |
1564 | ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len) | |
1565 | { | |
1566 | print_and_free(stream, ofp_packet_to_string(data, len, total_len)); | |
1567 | } |