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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); | |
d2805da2 | 41 | static void ofp_print_queue_name(struct ds *string, uint32_t port); |
064af421 BP |
42 | |
43 | /* Returns a string that represents the contents of the Ethernet frame in the | |
44 | * 'len' bytes starting at 'data' to 'stream' as output by tcpdump. | |
45 | * 'total_len' specifies the full length of the Ethernet frame (of which 'len' | |
46 | * bytes were captured). | |
47 | * | |
48 | * The caller must free the returned string. | |
49 | * | |
50 | * This starts and kills a tcpdump subprocess so it's quite expensive. */ | |
51 | char * | |
67a4917b | 52 | ofp_packet_to_string(const void *data, size_t len, size_t total_len OVS_UNUSED) |
064af421 BP |
53 | { |
54 | struct ds ds = DS_EMPTY_INITIALIZER; | |
55 | struct ofpbuf buf; | |
56 | ||
57 | char command[128]; | |
58 | FILE *pcap; | |
59 | FILE *tcpdump; | |
60 | int status; | |
61 | int c; | |
62 | ||
63 | buf.data = (void *) data; | |
64 | buf.size = len; | |
65 | ||
66 | pcap = tmpfile(); | |
67 | if (!pcap) { | |
68 | ovs_error(errno, "tmpfile"); | |
69 | return xstrdup("<error>"); | |
70 | } | |
71 | pcap_write_header(pcap); | |
72 | pcap_write(pcap, &buf); | |
73 | fflush(pcap); | |
74 | if (ferror(pcap)) { | |
75 | ovs_error(errno, "error writing temporary file"); | |
76 | } | |
77 | rewind(pcap); | |
78 | ||
79 | snprintf(command, sizeof command, "/usr/sbin/tcpdump -e -n -r /dev/fd/%d 2>/dev/null", | |
80 | fileno(pcap)); | |
81 | tcpdump = popen(command, "r"); | |
82 | fclose(pcap); | |
83 | if (!tcpdump) { | |
84 | ovs_error(errno, "exec(\"%s\")", command); | |
85 | return xstrdup("<error>"); | |
86 | } | |
87 | ||
88 | while ((c = getc(tcpdump)) != EOF) { | |
89 | ds_put_char(&ds, c); | |
90 | } | |
91 | ||
92 | status = pclose(tcpdump); | |
93 | if (WIFEXITED(status)) { | |
94 | if (WEXITSTATUS(status)) | |
95 | ovs_error(0, "tcpdump exited with status %d", WEXITSTATUS(status)); | |
96 | } else if (WIFSIGNALED(status)) { | |
d295e8e9 | 97 | ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status)); |
064af421 BP |
98 | } |
99 | return ds_cstr(&ds); | |
100 | } | |
101 | ||
102 | /* Pretty-print the OFPT_PACKET_IN packet of 'len' bytes at 'oh' to 'stream' | |
103 | * at the given 'verbosity' level. */ | |
104 | static void | |
105 | ofp_packet_in(struct ds *string, const void *oh, size_t len, int verbosity) | |
106 | { | |
107 | const struct ofp_packet_in *op = oh; | |
108 | size_t data_len; | |
109 | ||
110 | ds_put_format(string, " total_len=%"PRIu16" in_port=", | |
111 | ntohs(op->total_len)); | |
112 | ofp_print_port_name(string, ntohs(op->in_port)); | |
113 | ||
114 | if (op->reason == OFPR_ACTION) | |
115 | ds_put_cstr(string, " (via action)"); | |
116 | else if (op->reason != OFPR_NO_MATCH) | |
117 | ds_put_format(string, " (***reason %"PRIu8"***)", op->reason); | |
118 | ||
119 | data_len = len - offsetof(struct ofp_packet_in, data); | |
120 | ds_put_format(string, " data_len=%zu", data_len); | |
121 | if (htonl(op->buffer_id) == UINT32_MAX) { | |
122 | ds_put_format(string, " (unbuffered)"); | |
123 | if (ntohs(op->total_len) != data_len) | |
124 | ds_put_format(string, " (***total_len != data_len***)"); | |
125 | } else { | |
126 | ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id)); | |
127 | if (ntohs(op->total_len) < data_len) | |
128 | ds_put_format(string, " (***total_len < data_len***)"); | |
129 | } | |
130 | ds_put_char(string, '\n'); | |
131 | ||
132 | if (verbosity > 0) { | |
133 | flow_t flow; | |
134 | struct ofpbuf packet; | |
135 | struct ofp_match match; | |
136 | packet.data = (void *) op->data; | |
137 | packet.size = data_len; | |
659586ef JG |
138 | flow_extract(&packet, 0, ntohs(op->in_port), &flow); |
139 | flow_to_match(&flow, 0, false, &match); | |
064af421 BP |
140 | ofp_print_match(string, &match, verbosity); |
141 | ds_put_char(string, '\n'); | |
142 | } | |
143 | if (verbosity > 1) { | |
144 | char *packet = ofp_packet_to_string(op->data, data_len, | |
d295e8e9 | 145 | ntohs(op->total_len)); |
064af421 BP |
146 | ds_put_cstr(string, packet); |
147 | free(packet); | |
148 | } | |
149 | } | |
150 | ||
d295e8e9 | 151 | static void ofp_print_port_name(struct ds *string, uint16_t port) |
064af421 BP |
152 | { |
153 | const char *name; | |
154 | switch (port) { | |
155 | case OFPP_IN_PORT: | |
156 | name = "IN_PORT"; | |
157 | break; | |
158 | case OFPP_TABLE: | |
159 | name = "TABLE"; | |
160 | break; | |
161 | case OFPP_NORMAL: | |
162 | name = "NORMAL"; | |
163 | break; | |
164 | case OFPP_FLOOD: | |
165 | name = "FLOOD"; | |
166 | break; | |
167 | case OFPP_ALL: | |
168 | name = "ALL"; | |
169 | break; | |
170 | case OFPP_CONTROLLER: | |
171 | name = "CONTROLLER"; | |
172 | break; | |
173 | case OFPP_LOCAL: | |
174 | name = "LOCAL"; | |
175 | break; | |
176 | case OFPP_NONE: | |
177 | name = "NONE"; | |
178 | break; | |
179 | default: | |
180 | ds_put_format(string, "%"PRIu16, port); | |
181 | return; | |
182 | } | |
183 | ds_put_cstr(string, name); | |
184 | } | |
185 | ||
186 | static void | |
187 | ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah) | |
188 | { | |
189 | switch (ntohs(nah->subtype)) { | |
190 | case NXAST_RESUBMIT: { | |
191 | const struct nx_action_resubmit *nar = (struct nx_action_resubmit *)nah; | |
192 | ds_put_format(string, "resubmit:"); | |
193 | ofp_print_port_name(string, ntohs(nar->in_port)); | |
194 | break; | |
195 | } | |
196 | ||
659586ef JG |
197 | case NXAST_SET_TUNNEL: { |
198 | const struct nx_action_set_tunnel *nast = | |
199 | (struct nx_action_set_tunnel *)nah; | |
200 | ds_put_format(string, "set_tunnel:0x%08"PRIx32, ntohl(nast->tun_id)); | |
201 | break; | |
202 | } | |
203 | ||
a77d89b8 BP |
204 | case NXAST_DROP_SPOOFED_ARP: |
205 | ds_put_cstr(string, "drop_spoofed_arp"); | |
206 | break; | |
207 | ||
064af421 | 208 | default: |
a77d89b8 | 209 | ds_put_format(string, "***unknown Nicira action:%d***", |
064af421 BP |
210 | ntohs(nah->subtype)); |
211 | } | |
212 | } | |
213 | ||
214 | static int | |
d295e8e9 JP |
215 | ofp_print_action(struct ds *string, const struct ofp_action_header *ah, |
216 | size_t actions_len) | |
064af421 BP |
217 | { |
218 | uint16_t type; | |
219 | size_t len; | |
220 | ||
221 | struct openflow_action { | |
222 | size_t min_size; | |
223 | size_t max_size; | |
224 | }; | |
225 | ||
226 | const struct openflow_action of_actions[] = { | |
227 | [OFPAT_OUTPUT] = { | |
228 | sizeof(struct ofp_action_output), | |
229 | sizeof(struct ofp_action_output), | |
230 | }, | |
231 | [OFPAT_SET_VLAN_VID] = { | |
232 | sizeof(struct ofp_action_vlan_vid), | |
233 | sizeof(struct ofp_action_vlan_vid), | |
234 | }, | |
235 | [OFPAT_SET_VLAN_PCP] = { | |
236 | sizeof(struct ofp_action_vlan_pcp), | |
237 | sizeof(struct ofp_action_vlan_pcp), | |
238 | }, | |
239 | [OFPAT_STRIP_VLAN] = { | |
240 | sizeof(struct ofp_action_header), | |
241 | sizeof(struct ofp_action_header), | |
242 | }, | |
243 | [OFPAT_SET_DL_SRC] = { | |
244 | sizeof(struct ofp_action_dl_addr), | |
245 | sizeof(struct ofp_action_dl_addr), | |
246 | }, | |
247 | [OFPAT_SET_DL_DST] = { | |
248 | sizeof(struct ofp_action_dl_addr), | |
249 | sizeof(struct ofp_action_dl_addr), | |
250 | }, | |
251 | [OFPAT_SET_NW_SRC] = { | |
252 | sizeof(struct ofp_action_nw_addr), | |
253 | sizeof(struct ofp_action_nw_addr), | |
254 | }, | |
255 | [OFPAT_SET_NW_DST] = { | |
256 | sizeof(struct ofp_action_nw_addr), | |
257 | sizeof(struct ofp_action_nw_addr), | |
258 | }, | |
959a2ecd JP |
259 | [OFPAT_SET_NW_TOS] = { |
260 | sizeof(struct ofp_action_nw_tos), | |
261 | sizeof(struct ofp_action_nw_tos), | |
262 | }, | |
064af421 BP |
263 | [OFPAT_SET_TP_SRC] = { |
264 | sizeof(struct ofp_action_tp_port), | |
265 | sizeof(struct ofp_action_tp_port), | |
266 | }, | |
267 | [OFPAT_SET_TP_DST] = { | |
268 | sizeof(struct ofp_action_tp_port), | |
269 | sizeof(struct ofp_action_tp_port), | |
270 | } | |
271 | /* OFPAT_VENDOR is not here, since it would blow up the array size. */ | |
272 | }; | |
273 | ||
274 | if (actions_len < sizeof *ah) { | |
275 | ds_put_format(string, "***action array too short for next action***\n"); | |
276 | return -1; | |
277 | } | |
278 | ||
279 | type = ntohs(ah->type); | |
280 | len = ntohs(ah->len); | |
281 | if (actions_len < len) { | |
282 | ds_put_format(string, "***truncated action %"PRIu16"***\n", type); | |
283 | return -1; | |
284 | } | |
285 | ||
286 | if ((len % 8) != 0) { | |
d295e8e9 | 287 | ds_put_format(string, |
064af421 BP |
288 | "***action %"PRIu16" length not a multiple of 8***\n", |
289 | type); | |
290 | return -1; | |
291 | } | |
292 | ||
293 | if (type < ARRAY_SIZE(of_actions)) { | |
294 | const struct openflow_action *act = &of_actions[type]; | |
295 | if ((len < act->min_size) || (len > act->max_size)) { | |
d295e8e9 | 296 | ds_put_format(string, |
064af421 BP |
297 | "***action %"PRIu16" wrong length: %zu***\n", type, len); |
298 | return -1; | |
299 | } | |
300 | } | |
d295e8e9 | 301 | |
064af421 BP |
302 | switch (type) { |
303 | case OFPAT_OUTPUT: { | |
304 | struct ofp_action_output *oa = (struct ofp_action_output *)ah; | |
d295e8e9 | 305 | uint16_t port = ntohs(oa->port); |
064af421 BP |
306 | if (port < OFPP_MAX) { |
307 | ds_put_format(string, "output:%"PRIu16, port); | |
308 | } else { | |
309 | ofp_print_port_name(string, port); | |
310 | if (port == OFPP_CONTROLLER) { | |
311 | if (oa->max_len) { | |
312 | ds_put_format(string, ":%"PRIu16, ntohs(oa->max_len)); | |
313 | } else { | |
314 | ds_put_cstr(string, ":all"); | |
315 | } | |
316 | } | |
317 | } | |
318 | break; | |
319 | } | |
320 | ||
c4d279ab BP |
321 | case OFPAT_ENQUEUE: { |
322 | struct ofp_action_enqueue *ea = (struct ofp_action_enqueue *)ah; | |
323 | unsigned int port = ntohs(ea->port); | |
324 | unsigned int queue_id = ntohl(ea->queue_id); | |
325 | ds_put_format(string, "enqueue:"); | |
326 | if (port != OFPP_IN_PORT) { | |
327 | ds_put_format(string, "%u", port); | |
328 | } else { | |
329 | ds_put_cstr(string, "IN_PORT"); | |
330 | } | |
331 | ds_put_format(string, "q%u", queue_id); | |
332 | break; | |
333 | } | |
334 | ||
064af421 BP |
335 | case OFPAT_SET_VLAN_VID: { |
336 | struct ofp_action_vlan_vid *va = (struct ofp_action_vlan_vid *)ah; | |
337 | ds_put_format(string, "mod_vlan_vid:%"PRIu16, ntohs(va->vlan_vid)); | |
338 | break; | |
339 | } | |
340 | ||
341 | case OFPAT_SET_VLAN_PCP: { | |
342 | struct ofp_action_vlan_pcp *va = (struct ofp_action_vlan_pcp *)ah; | |
343 | ds_put_format(string, "mod_vlan_pcp:%"PRIu8, va->vlan_pcp); | |
344 | break; | |
345 | } | |
346 | ||
347 | case OFPAT_STRIP_VLAN: | |
348 | ds_put_cstr(string, "strip_vlan"); | |
349 | break; | |
350 | ||
351 | case OFPAT_SET_DL_SRC: { | |
352 | struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah; | |
d295e8e9 | 353 | ds_put_format(string, "mod_dl_src:"ETH_ADDR_FMT, |
064af421 BP |
354 | ETH_ADDR_ARGS(da->dl_addr)); |
355 | break; | |
356 | } | |
357 | ||
358 | case OFPAT_SET_DL_DST: { | |
359 | struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah; | |
d295e8e9 | 360 | ds_put_format(string, "mod_dl_dst:"ETH_ADDR_FMT, |
064af421 BP |
361 | ETH_ADDR_ARGS(da->dl_addr)); |
362 | break; | |
363 | } | |
364 | ||
365 | case OFPAT_SET_NW_SRC: { | |
366 | struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah; | |
367 | ds_put_format(string, "mod_nw_src:"IP_FMT, IP_ARGS(&na->nw_addr)); | |
368 | break; | |
369 | } | |
370 | ||
371 | case OFPAT_SET_NW_DST: { | |
372 | struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah; | |
373 | ds_put_format(string, "mod_nw_dst:"IP_FMT, IP_ARGS(&na->nw_addr)); | |
374 | break; | |
375 | } | |
376 | ||
959a2ecd JP |
377 | case OFPAT_SET_NW_TOS: { |
378 | struct ofp_action_nw_tos *nt = (struct ofp_action_nw_tos *)ah; | |
379 | ds_put_format(string, "mod_nw_tos:%d", nt->nw_tos); | |
380 | break; | |
381 | } | |
382 | ||
064af421 BP |
383 | case OFPAT_SET_TP_SRC: { |
384 | struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah; | |
385 | ds_put_format(string, "mod_tp_src:%d", ntohs(ta->tp_port)); | |
386 | break; | |
387 | } | |
388 | ||
389 | case OFPAT_SET_TP_DST: { | |
390 | struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah; | |
391 | ds_put_format(string, "mod_tp_dst:%d", ntohs(ta->tp_port)); | |
392 | break; | |
393 | } | |
394 | ||
395 | case OFPAT_VENDOR: { | |
d295e8e9 | 396 | struct ofp_action_vendor_header *avh |
064af421 BP |
397 | = (struct ofp_action_vendor_header *)ah; |
398 | if (len < sizeof *avh) { | |
399 | ds_put_format(string, "***ofpat_vendor truncated***\n"); | |
400 | return -1; | |
401 | } | |
402 | if (avh->vendor == htonl(NX_VENDOR_ID)) { | |
403 | ofp_print_nx_action(string, (struct nx_action_header *)avh); | |
404 | } else { | |
405 | ds_put_format(string, "vendor action:0x%x", ntohl(avh->vendor)); | |
406 | } | |
407 | break; | |
408 | } | |
409 | ||
410 | default: | |
411 | ds_put_format(string, "(decoder %"PRIu16" not implemented)", type); | |
412 | break; | |
413 | } | |
414 | ||
415 | return len; | |
416 | } | |
417 | ||
d295e8e9 | 418 | void |
064af421 | 419 | ofp_print_actions(struct ds *string, const struct ofp_action_header *action, |
d295e8e9 | 420 | size_t actions_len) |
064af421 BP |
421 | { |
422 | uint8_t *p = (uint8_t *)action; | |
423 | int len = 0; | |
424 | ||
425 | ds_put_cstr(string, "actions="); | |
426 | if (!actions_len) { | |
427 | ds_put_cstr(string, "drop"); | |
428 | } | |
429 | while (actions_len > 0) { | |
430 | if (len) { | |
431 | ds_put_cstr(string, ","); | |
432 | } | |
d295e8e9 | 433 | len = ofp_print_action(string, (struct ofp_action_header *)p, |
064af421 BP |
434 | actions_len); |
435 | if (len < 0) { | |
436 | return; | |
437 | } | |
438 | p += len; | |
439 | actions_len -= len; | |
440 | } | |
441 | } | |
442 | ||
443 | /* Pretty-print the OFPT_PACKET_OUT packet of 'len' bytes at 'oh' to 'string' | |
444 | * at the given 'verbosity' level. */ | |
445 | static void ofp_packet_out(struct ds *string, const void *oh, size_t len, | |
d295e8e9 | 446 | int verbosity) |
064af421 BP |
447 | { |
448 | const struct ofp_packet_out *opo = oh; | |
449 | size_t actions_len = ntohs(opo->actions_len); | |
450 | ||
451 | ds_put_cstr(string, " in_port="); | |
452 | ofp_print_port_name(string, ntohs(opo->in_port)); | |
453 | ||
454 | ds_put_format(string, " actions_len=%zu ", actions_len); | |
455 | if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) { | |
456 | ds_put_format(string, "***packet too short for action length***\n"); | |
457 | return; | |
458 | } | |
459 | ofp_print_actions(string, opo->actions, actions_len); | |
460 | ||
461 | if (ntohl(opo->buffer_id) == UINT32_MAX) { | |
462 | int data_len = len - sizeof *opo - actions_len; | |
463 | ds_put_format(string, " data_len=%d", data_len); | |
464 | if (verbosity > 0 && len > sizeof *opo) { | |
465 | char *packet = ofp_packet_to_string( | |
466 | (uint8_t *)opo->actions + actions_len, data_len, data_len); | |
467 | ds_put_char(string, '\n'); | |
468 | ds_put_cstr(string, packet); | |
469 | free(packet); | |
470 | } | |
471 | } else { | |
472 | ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id)); | |
473 | } | |
474 | ds_put_char(string, '\n'); | |
475 | } | |
476 | ||
477 | /* qsort comparison function. */ | |
478 | static int | |
479 | compare_ports(const void *a_, const void *b_) | |
480 | { | |
481 | const struct ofp_phy_port *a = a_; | |
482 | const struct ofp_phy_port *b = b_; | |
483 | uint16_t ap = ntohs(a->port_no); | |
484 | uint16_t bp = ntohs(b->port_no); | |
485 | ||
486 | return ap < bp ? -1 : ap > bp; | |
487 | } | |
488 | ||
489 | static void ofp_print_port_features(struct ds *string, uint32_t features) | |
490 | { | |
491 | if (features == 0) { | |
492 | ds_put_cstr(string, "Unsupported\n"); | |
493 | return; | |
494 | } | |
495 | if (features & OFPPF_10MB_HD) { | |
496 | ds_put_cstr(string, "10MB-HD "); | |
497 | } | |
498 | if (features & OFPPF_10MB_FD) { | |
499 | ds_put_cstr(string, "10MB-FD "); | |
500 | } | |
501 | if (features & OFPPF_100MB_HD) { | |
502 | ds_put_cstr(string, "100MB-HD "); | |
503 | } | |
504 | if (features & OFPPF_100MB_FD) { | |
505 | ds_put_cstr(string, "100MB-FD "); | |
506 | } | |
507 | if (features & OFPPF_1GB_HD) { | |
508 | ds_put_cstr(string, "1GB-HD "); | |
509 | } | |
510 | if (features & OFPPF_1GB_FD) { | |
511 | ds_put_cstr(string, "1GB-FD "); | |
512 | } | |
513 | if (features & OFPPF_10GB_FD) { | |
514 | ds_put_cstr(string, "10GB-FD "); | |
515 | } | |
516 | if (features & OFPPF_COPPER) { | |
517 | ds_put_cstr(string, "COPPER "); | |
518 | } | |
519 | if (features & OFPPF_FIBER) { | |
520 | ds_put_cstr(string, "FIBER "); | |
521 | } | |
522 | if (features & OFPPF_AUTONEG) { | |
523 | ds_put_cstr(string, "AUTO_NEG "); | |
524 | } | |
525 | if (features & OFPPF_PAUSE) { | |
526 | ds_put_cstr(string, "AUTO_PAUSE "); | |
527 | } | |
528 | if (features & OFPPF_PAUSE_ASYM) { | |
529 | ds_put_cstr(string, "AUTO_PAUSE_ASYM "); | |
530 | } | |
531 | ds_put_char(string, '\n'); | |
532 | } | |
533 | ||
534 | static void | |
535 | ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port) | |
536 | { | |
537 | uint8_t name[OFP_MAX_PORT_NAME_LEN]; | |
538 | int j; | |
539 | ||
540 | memcpy(name, port->name, sizeof name); | |
541 | for (j = 0; j < sizeof name - 1; j++) { | |
542 | if (!isprint(name[j])) { | |
543 | break; | |
544 | } | |
545 | } | |
546 | name[j] = '\0'; | |
547 | ||
548 | ds_put_char(string, ' '); | |
549 | ofp_print_port_name(string, ntohs(port->port_no)); | |
550 | ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT", config: %#x, state:%#x\n", | |
551 | name, ETH_ADDR_ARGS(port->hw_addr), ntohl(port->config), | |
552 | ntohl(port->state)); | |
553 | if (port->curr) { | |
554 | ds_put_format(string, " current: "); | |
555 | ofp_print_port_features(string, ntohl(port->curr)); | |
556 | } | |
557 | if (port->advertised) { | |
558 | ds_put_format(string, " advertised: "); | |
559 | ofp_print_port_features(string, ntohl(port->advertised)); | |
560 | } | |
561 | if (port->supported) { | |
562 | ds_put_format(string, " supported: "); | |
563 | ofp_print_port_features(string, ntohl(port->supported)); | |
564 | } | |
565 | if (port->peer) { | |
566 | ds_put_format(string, " peer: "); | |
567 | ofp_print_port_features(string, ntohl(port->peer)); | |
568 | } | |
569 | } | |
570 | ||
571 | /* Pretty-print the struct ofp_switch_features of 'len' bytes at 'oh' to | |
572 | * 'string' at the given 'verbosity' level. */ | |
573 | static void | |
574 | ofp_print_switch_features(struct ds *string, const void *oh, size_t len, | |
67a4917b | 575 | int verbosity OVS_UNUSED) |
064af421 BP |
576 | { |
577 | const struct ofp_switch_features *osf = oh; | |
578 | struct ofp_phy_port *port_list; | |
579 | int n_ports; | |
580 | int i; | |
581 | ||
d295e8e9 | 582 | ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n", |
064af421 BP |
583 | osf->header.version, ntohll(osf->datapath_id)); |
584 | ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables, | |
585 | ntohl(osf->n_buffers)); | |
586 | ds_put_format(string, "features: capabilities:%#x, actions:%#x\n", | |
587 | ntohl(osf->capabilities), ntohl(osf->actions)); | |
588 | ||
589 | if (ntohs(osf->header.length) >= sizeof *osf) { | |
590 | len = MIN(len, ntohs(osf->header.length)); | |
591 | } | |
592 | n_ports = (len - sizeof *osf) / sizeof *osf->ports; | |
593 | ||
d295e8e9 | 594 | port_list = xmemdup(osf->ports, len - sizeof *osf); |
064af421 BP |
595 | qsort(port_list, n_ports, sizeof *port_list, compare_ports); |
596 | for (i = 0; i < n_ports; i++) { | |
597 | ofp_print_phy_port(string, &port_list[i]); | |
598 | } | |
599 | free(port_list); | |
600 | } | |
601 | ||
602 | /* Pretty-print the struct ofp_switch_config of 'len' bytes at 'oh' to 'string' | |
603 | * at the given 'verbosity' level. */ | |
604 | static void | |
67a4917b BP |
605 | ofp_print_switch_config(struct ds *string, const void *oh, |
606 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
064af421 BP |
607 | { |
608 | const struct ofp_switch_config *osc = oh; | |
609 | uint16_t flags; | |
610 | ||
611 | flags = ntohs(osc->flags); | |
064af421 BP |
612 | if (flags) { |
613 | ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags); | |
614 | } | |
615 | ||
616 | ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len)); | |
617 | } | |
618 | ||
619 | static void print_wild(struct ds *string, const char *leader, int is_wild, | |
d295e8e9 | 620 | int verbosity, const char *format, ...) |
064af421 BP |
621 | __attribute__((format(printf, 5, 6))); |
622 | ||
623 | static void print_wild(struct ds *string, const char *leader, int is_wild, | |
d295e8e9 | 624 | int verbosity, const char *format, ...) |
064af421 BP |
625 | { |
626 | if (is_wild && verbosity < 2) { | |
627 | return; | |
628 | } | |
629 | ds_put_cstr(string, leader); | |
630 | if (!is_wild) { | |
631 | va_list args; | |
632 | ||
633 | va_start(args, format); | |
634 | ds_put_format_valist(string, format, args); | |
635 | va_end(args); | |
636 | } else { | |
637 | ds_put_char(string, '*'); | |
638 | } | |
639 | ds_put_char(string, ','); | |
640 | } | |
641 | ||
642 | static void | |
643 | print_ip_netmask(struct ds *string, const char *leader, uint32_t ip, | |
644 | uint32_t wild_bits, int verbosity) | |
645 | { | |
646 | if (wild_bits >= 32 && verbosity < 2) { | |
647 | return; | |
648 | } | |
649 | ds_put_cstr(string, leader); | |
650 | if (wild_bits < 32) { | |
651 | ds_put_format(string, IP_FMT, IP_ARGS(&ip)); | |
652 | if (wild_bits) { | |
653 | ds_put_format(string, "/%d", 32 - wild_bits); | |
654 | } | |
655 | } else { | |
656 | ds_put_char(string, '*'); | |
657 | } | |
658 | ds_put_char(string, ','); | |
659 | } | |
660 | ||
4f2cad2c | 661 | void |
064af421 BP |
662 | ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity) |
663 | { | |
664 | char *s = ofp_match_to_string(om, verbosity); | |
665 | ds_put_cstr(f, s); | |
666 | free(s); | |
667 | } | |
668 | ||
669 | char * | |
670 | ofp_match_to_string(const struct ofp_match *om, int verbosity) | |
671 | { | |
672 | struct ds f = DS_EMPTY_INITIALIZER; | |
673 | uint32_t w = ntohl(om->wildcards); | |
674 | bool skip_type = false; | |
675 | bool skip_proto = false; | |
676 | ||
677 | if (!(w & OFPFW_DL_TYPE)) { | |
678 | skip_type = true; | |
679 | if (om->dl_type == htons(ETH_TYPE_IP)) { | |
680 | if (!(w & OFPFW_NW_PROTO)) { | |
681 | skip_proto = true; | |
682 | if (om->nw_proto == IP_TYPE_ICMP) { | |
683 | ds_put_cstr(&f, "icmp,"); | |
684 | } else if (om->nw_proto == IP_TYPE_TCP) { | |
685 | ds_put_cstr(&f, "tcp,"); | |
686 | } else if (om->nw_proto == IP_TYPE_UDP) { | |
687 | ds_put_cstr(&f, "udp,"); | |
688 | } else { | |
689 | ds_put_cstr(&f, "ip,"); | |
690 | skip_proto = false; | |
691 | } | |
692 | } else { | |
693 | ds_put_cstr(&f, "ip,"); | |
694 | } | |
695 | } else if (om->dl_type == htons(ETH_TYPE_ARP)) { | |
696 | ds_put_cstr(&f, "arp,"); | |
697 | } else { | |
698 | skip_type = false; | |
699 | } | |
700 | } | |
659586ef JG |
701 | if (w & NXFW_TUN_ID) { |
702 | ds_put_cstr(&f, "tun_id_wild,"); | |
703 | } | |
064af421 BP |
704 | print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity, |
705 | "%d", ntohs(om->in_port)); | |
706 | print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity, | |
6a1f89c8 | 707 | "%d", ntohs(om->dl_vlan)); |
959a2ecd JP |
708 | print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity, |
709 | "%d", om->dl_vlan_pcp); | |
064af421 BP |
710 | print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity, |
711 | ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src)); | |
712 | print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity, | |
713 | ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst)); | |
714 | if (!skip_type) { | |
715 | print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity, | |
716 | "0x%04x", ntohs(om->dl_type)); | |
717 | } | |
718 | print_ip_netmask(&f, "nw_src=", om->nw_src, | |
719 | (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity); | |
720 | print_ip_netmask(&f, "nw_dst=", om->nw_dst, | |
721 | (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity); | |
722 | if (!skip_proto) { | |
fb892732 JP |
723 | if (om->dl_type == htons(ETH_TYPE_ARP)) { |
724 | print_wild(&f, "opcode=", w & OFPFW_NW_PROTO, verbosity, | |
725 | "%u", om->nw_proto); | |
726 | } else { | |
727 | print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity, | |
728 | "%u", om->nw_proto); | |
834377ea JP |
729 | print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity, |
730 | "%u", om->nw_tos); | |
fb892732 | 731 | } |
064af421 BP |
732 | } |
733 | if (om->nw_proto == IP_TYPE_ICMP) { | |
734 | print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity, | |
735 | "%d", ntohs(om->icmp_type)); | |
736 | print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity, | |
737 | "%d", ntohs(om->icmp_code)); | |
738 | } else { | |
739 | print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity, | |
740 | "%d", ntohs(om->tp_src)); | |
741 | print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity, | |
742 | "%d", ntohs(om->tp_dst)); | |
743 | } | |
744 | return ds_cstr(&f); | |
745 | } | |
746 | ||
747 | /* Pretty-print the OFPT_FLOW_MOD packet of 'len' bytes at 'oh' to 'string' | |
748 | * at the given 'verbosity' level. */ | |
749 | static void | |
d295e8e9 | 750 | ofp_print_flow_mod(struct ds *string, const void *oh, size_t len, |
064af421 BP |
751 | int verbosity) |
752 | { | |
753 | const struct ofp_flow_mod *ofm = oh; | |
754 | ||
3ff4f871 | 755 | ds_put_char(string, ' '); |
064af421 | 756 | ofp_print_match(string, &ofm->match, verbosity); |
3ff4f871 BP |
757 | if (ds_last(string) != ' ') { |
758 | ds_put_char(string, ' '); | |
759 | } | |
760 | ||
064af421 BP |
761 | switch (ntohs(ofm->command)) { |
762 | case OFPFC_ADD: | |
3ff4f871 | 763 | ds_put_cstr(string, "ADD:"); |
064af421 BP |
764 | break; |
765 | case OFPFC_MODIFY: | |
3ff4f871 | 766 | ds_put_cstr(string, "MOD:"); |
064af421 BP |
767 | break; |
768 | case OFPFC_MODIFY_STRICT: | |
3ff4f871 | 769 | ds_put_cstr(string, "MOD_STRICT:"); |
064af421 BP |
770 | break; |
771 | case OFPFC_DELETE: | |
3ff4f871 | 772 | ds_put_cstr(string, "DEL:"); |
064af421 BP |
773 | break; |
774 | case OFPFC_DELETE_STRICT: | |
3ff4f871 | 775 | ds_put_cstr(string, "DEL_STRICT:"); |
064af421 BP |
776 | break; |
777 | default: | |
3ff4f871 BP |
778 | ds_put_format(string, "cmd:%d", ntohs(ofm->command)); |
779 | } | |
780 | if (ofm->cookie != htonll(0)) { | |
781 | ds_put_format(string, " cookie:0x%"PRIx64, ntohll(ofm->cookie)); | |
782 | } | |
783 | if (ofm->idle_timeout != htons(OFP_FLOW_PERMANENT)) { | |
784 | ds_put_format(string, " idle:%d", ntohs(ofm->idle_timeout)); | |
785 | } | |
786 | if (ofm->hard_timeout != htons(OFP_FLOW_PERMANENT)) { | |
787 | ds_put_format(string, " hard:%d", ntohs(ofm->hard_timeout)); | |
064af421 | 788 | } |
3ff4f871 BP |
789 | if (ofm->priority != htons(32768)) { |
790 | ds_put_format(string, " pri:%"PRIu16, ntohs(ofm->priority)); | |
791 | } | |
792 | if (ofm->buffer_id != htonl(UINT32_MAX)) { | |
793 | ds_put_format(string, " buf:%#"PRIx32, ntohl(ofm->buffer_id)); | |
794 | } | |
795 | if (ofm->flags != htons(0)) { | |
796 | ds_put_format(string, " flags:%"PRIx16, ntohs(ofm->flags)); | |
797 | } | |
798 | ds_put_cstr(string, " "); | |
064af421 BP |
799 | ofp_print_actions(string, ofm->actions, |
800 | len - offsetof(struct ofp_flow_mod, actions)); | |
801 | ds_put_char(string, '\n'); | |
802 | } | |
803 | ||
ca069229 | 804 | /* Pretty-print the OFPT_FLOW_REMOVED packet of 'len' bytes at 'oh' to 'string' |
064af421 BP |
805 | * at the given 'verbosity' level. */ |
806 | static void | |
d295e8e9 | 807 | ofp_print_flow_removed(struct ds *string, const void *oh, |
67a4917b | 808 | size_t len OVS_UNUSED, int verbosity) |
064af421 | 809 | { |
ca069229 | 810 | const struct ofp_flow_removed *ofr = oh; |
064af421 | 811 | |
ca069229 | 812 | ofp_print_match(string, &ofr->match, verbosity); |
064af421 | 813 | ds_put_cstr(string, " reason="); |
ca069229 JP |
814 | switch (ofr->reason) { |
815 | case OFPRR_IDLE_TIMEOUT: | |
064af421 BP |
816 | ds_put_cstr(string, "idle"); |
817 | break; | |
ca069229 | 818 | case OFPRR_HARD_TIMEOUT: |
064af421 BP |
819 | ds_put_cstr(string, "hard"); |
820 | break; | |
ca069229 JP |
821 | case OFPRR_DELETE: |
822 | ds_put_cstr(string, "delete"); | |
823 | break; | |
064af421 | 824 | default: |
ca069229 | 825 | ds_put_format(string, "**%"PRIu8"**", ofr->reason); |
064af421 BP |
826 | break; |
827 | } | |
3ff4f871 BP |
828 | |
829 | if (ofr->cookie != htonll(0)) { | |
830 | ds_put_format(string, " cookie:0x%"PRIx64, ntohll(ofr->cookie)); | |
831 | } | |
832 | if (ofr->priority != htons(32768)) { | |
833 | ds_put_format(string, " pri:%"PRIu16, ntohs(ofr->priority)); | |
834 | } | |
835 | ds_put_format(string, " secs%"PRIu32" nsecs%"PRIu32 | |
d295e8e9 | 836 | " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n", |
26c3f94a | 837 | ntohl(ofr->duration_sec), ntohl(ofr->duration_nsec), |
d295e8e9 | 838 | ntohs(ofr->idle_timeout), ntohll(ofr->packet_count), |
26c3f94a | 839 | ntohll(ofr->byte_count)); |
064af421 BP |
840 | } |
841 | ||
842 | static void | |
67a4917b BP |
843 | ofp_print_port_mod(struct ds *string, const void *oh, size_t len OVS_UNUSED, |
844 | int verbosity OVS_UNUSED) | |
064af421 BP |
845 | { |
846 | const struct ofp_port_mod *opm = oh; | |
847 | ||
848 | ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n", | |
d295e8e9 | 849 | ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr), |
064af421 BP |
850 | ntohl(opm->config), ntohl(opm->mask)); |
851 | ds_put_format(string, " advertise: "); | |
852 | if (opm->advertise) { | |
853 | ofp_print_port_features(string, ntohl(opm->advertise)); | |
854 | } else { | |
855 | ds_put_format(string, "UNCHANGED\n"); | |
856 | } | |
857 | } | |
858 | ||
859 | struct error_type { | |
860 | int type; | |
861 | int code; | |
862 | const char *name; | |
863 | }; | |
864 | ||
865 | static const struct error_type error_types[] = { | |
866 | #define ERROR_TYPE(TYPE) {TYPE, -1, #TYPE} | |
867 | #define ERROR_CODE(TYPE, CODE) {TYPE, CODE, #CODE} | |
868 | ERROR_TYPE(OFPET_HELLO_FAILED), | |
869 | ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_INCOMPATIBLE), | |
49bdc010 | 870 | ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_EPERM), |
064af421 BP |
871 | |
872 | ERROR_TYPE(OFPET_BAD_REQUEST), | |
873 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION), | |
874 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE), | |
875 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_STAT), | |
b4785c1e JP |
876 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR), |
877 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_SUBTYPE), | |
49bdc010 JP |
878 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_EPERM), |
879 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN), | |
b4785c1e | 880 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_EMPTY), |
49bdc010 | 881 | ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN), |
064af421 BP |
882 | |
883 | ERROR_TYPE(OFPET_BAD_ACTION), | |
884 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_TYPE), | |
885 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_LEN), | |
886 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR), | |
887 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR_TYPE), | |
888 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT), | |
b4785c1e | 889 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT), |
49bdc010 | 890 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_EPERM), |
b4785c1e | 891 | ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_TOO_MANY), |
064af421 BP |
892 | |
893 | ERROR_TYPE(OFPET_FLOW_MOD_FAILED), | |
b4785c1e | 894 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL), |
49bdc010 JP |
895 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_OVERLAP), |
896 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_EPERM), | |
897 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_EMERG_TIMEOUT), | |
b4785c1e JP |
898 | ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_COMMAND), |
899 | ||
900 | ERROR_TYPE(OFPET_PORT_MOD_FAILED), | |
901 | ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_PORT), | |
902 | ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_HW_ADDR) | |
064af421 BP |
903 | }; |
904 | #define N_ERROR_TYPES ARRAY_SIZE(error_types) | |
905 | ||
906 | static const char * | |
907 | lookup_error_type(int type) | |
908 | { | |
909 | const struct error_type *t; | |
910 | ||
911 | for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) { | |
912 | if (t->type == type && t->code == -1) { | |
913 | return t->name; | |
914 | } | |
915 | } | |
916 | return "?"; | |
917 | } | |
918 | ||
919 | static const char * | |
920 | lookup_error_code(int type, int code) | |
921 | { | |
922 | const struct error_type *t; | |
923 | ||
924 | for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) { | |
925 | if (t->type == type && t->code == code) { | |
926 | return t->name; | |
927 | } | |
928 | } | |
929 | return "?"; | |
930 | } | |
931 | ||
932 | /* Pretty-print the OFPT_ERROR packet of 'len' bytes at 'oh' to 'string' | |
933 | * at the given 'verbosity' level. */ | |
934 | static void | |
d295e8e9 | 935 | ofp_print_error_msg(struct ds *string, const void *oh, size_t len, |
67a4917b | 936 | int verbosity OVS_UNUSED) |
064af421 BP |
937 | { |
938 | const struct ofp_error_msg *oem = oh; | |
939 | int type = ntohs(oem->type); | |
940 | int code = ntohs(oem->code); | |
941 | char *s; | |
942 | ||
943 | ds_put_format(string, " type%d(%s) code%d(%s) payload:\n", | |
944 | type, lookup_error_type(type), | |
945 | code, lookup_error_code(type, code)); | |
946 | ||
947 | switch (type) { | |
948 | case OFPET_HELLO_FAILED: | |
949 | ds_put_printable(string, (char *) oem->data, len - sizeof *oem); | |
950 | break; | |
951 | ||
952 | case OFPET_BAD_REQUEST: | |
953 | s = ofp_to_string(oem->data, len - sizeof *oem, 1); | |
954 | ds_put_cstr(string, s); | |
955 | free(s); | |
956 | break; | |
957 | ||
958 | default: | |
959 | ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true); | |
960 | break; | |
961 | } | |
962 | } | |
963 | ||
964 | /* Pretty-print the OFPT_PORT_STATUS packet of 'len' bytes at 'oh' to 'string' | |
965 | * at the given 'verbosity' level. */ | |
966 | static void | |
67a4917b BP |
967 | ofp_print_port_status(struct ds *string, const void *oh, size_t len OVS_UNUSED, |
968 | int verbosity OVS_UNUSED) | |
064af421 BP |
969 | { |
970 | const struct ofp_port_status *ops = oh; | |
971 | ||
972 | if (ops->reason == OFPPR_ADD) { | |
973 | ds_put_format(string, " ADD:"); | |
974 | } else if (ops->reason == OFPPR_DELETE) { | |
975 | ds_put_format(string, " DEL:"); | |
976 | } else if (ops->reason == OFPPR_MODIFY) { | |
977 | ds_put_format(string, " MOD:"); | |
978 | } | |
979 | ||
980 | ofp_print_phy_port(string, &ops->desc); | |
981 | } | |
982 | ||
983 | static void | |
67a4917b BP |
984 | ofp_desc_stats_reply(struct ds *string, const void *body, |
985 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
064af421 BP |
986 | { |
987 | const struct ofp_desc_stats *ods = body; | |
988 | ||
d295e8e9 | 989 | ds_put_format(string, "Manufacturer: %.*s\n", |
dd70b475 JP |
990 | (int) sizeof ods->mfr_desc, ods->mfr_desc); |
991 | ds_put_format(string, "Hardware: %.*s\n", | |
992 | (int) sizeof ods->hw_desc, ods->hw_desc); | |
993 | ds_put_format(string, "Software: %.*s\n", | |
994 | (int) sizeof ods->sw_desc, ods->sw_desc); | |
995 | ds_put_format(string, "Serial Num: %.*s\n", | |
996 | (int) sizeof ods->serial_num, ods->serial_num); | |
997 | ds_put_format(string, "DP Description: %.*s\n", | |
998 | (int) sizeof ods->dp_desc, ods->dp_desc); | |
064af421 BP |
999 | } |
1000 | ||
1001 | static void | |
67a4917b BP |
1002 | ofp_flow_stats_request(struct ds *string, const void *oh, |
1003 | size_t len OVS_UNUSED, int verbosity) | |
064af421 BP |
1004 | { |
1005 | const struct ofp_flow_stats_request *fsr = oh; | |
1006 | ||
1007 | if (fsr->table_id == 0xff) { | |
1008 | ds_put_format(string, " table_id=any, "); | |
1009 | } else { | |
1010 | ds_put_format(string, " table_id=%"PRIu8", ", fsr->table_id); | |
1011 | } | |
1012 | ||
1013 | ofp_print_match(string, &fsr->match, verbosity); | |
1014 | } | |
1015 | ||
1016 | static void | |
1017 | ofp_flow_stats_reply(struct ds *string, const void *body_, size_t len, | |
1018 | int verbosity) | |
1019 | { | |
1020 | const char *body = body_; | |
1021 | const char *pos = body; | |
1022 | for (;;) { | |
1023 | const struct ofp_flow_stats *fs; | |
1024 | ptrdiff_t bytes_left = body + len - pos; | |
1025 | size_t length; | |
1026 | ||
1027 | if (bytes_left < sizeof *fs) { | |
1028 | if (bytes_left != 0) { | |
1029 | ds_put_format(string, " ***%td leftover bytes at end***", | |
1030 | bytes_left); | |
1031 | } | |
1032 | break; | |
1033 | } | |
1034 | ||
1035 | fs = (const void *) pos; | |
1036 | length = ntohs(fs->length); | |
1037 | if (length < sizeof *fs) { | |
1038 | ds_put_format(string, " ***length=%zu shorter than minimum %zu***", | |
1039 | length, sizeof *fs); | |
1040 | break; | |
1041 | } else if (length > bytes_left) { | |
1042 | ds_put_format(string, | |
1043 | " ***length=%zu but only %td bytes left***", | |
1044 | length, bytes_left); | |
1045 | break; | |
1046 | } else if ((length - sizeof *fs) % sizeof fs->actions[0]) { | |
1047 | ds_put_format(string, | |
1048 | " ***length=%zu has %zu bytes leftover in " | |
1049 | "final action***", | |
1050 | length, | |
1051 | (length - sizeof *fs) % sizeof fs->actions[0]); | |
1052 | break; | |
1053 | } | |
1054 | ||
8cce2125 | 1055 | ds_put_format(string, " cookie=0x%"PRIx64", ", ntohll(fs->cookie)); |
d295e8e9 | 1056 | ds_put_format(string, "duration_sec=%"PRIu32"s, ", |
26c3f94a | 1057 | ntohl(fs->duration_sec)); |
d295e8e9 | 1058 | ds_put_format(string, "duration_nsec=%"PRIu32"ns, ", |
26c3f94a | 1059 | ntohl(fs->duration_nsec)); |
064af421 | 1060 | ds_put_format(string, "table_id=%"PRIu8", ", fs->table_id); |
d295e8e9 | 1061 | ds_put_format(string, "priority=%"PRIu16", ", |
064af421 BP |
1062 | fs->match.wildcards ? ntohs(fs->priority) : (uint16_t)-1); |
1063 | ds_put_format(string, "n_packets=%"PRIu64", ", | |
1064 | ntohll(fs->packet_count)); | |
1065 | ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count)); | |
1066 | if (fs->idle_timeout != htons(OFP_FLOW_PERMANENT)) { | |
1067 | ds_put_format(string, "idle_timeout=%"PRIu16",", | |
1068 | ntohs(fs->idle_timeout)); | |
1069 | } | |
1070 | if (fs->hard_timeout != htons(OFP_FLOW_PERMANENT)) { | |
1071 | ds_put_format(string, "hard_timeout=%"PRIu16",", | |
1072 | ntohs(fs->hard_timeout)); | |
1073 | } | |
1074 | ofp_print_match(string, &fs->match, verbosity); | |
1075 | ofp_print_actions(string, fs->actions, length - sizeof *fs); | |
1076 | ds_put_char(string, '\n'); | |
1077 | ||
1078 | pos += length; | |
1079 | } | |
1080 | } | |
1081 | ||
1082 | static void | |
1083 | ofp_aggregate_stats_request(struct ds *string, const void *oh, | |
67a4917b | 1084 | size_t len OVS_UNUSED, int verbosity) |
064af421 BP |
1085 | { |
1086 | const struct ofp_aggregate_stats_request *asr = oh; | |
1087 | ||
1088 | if (asr->table_id == 0xff) { | |
1089 | ds_put_format(string, " table_id=any, "); | |
1090 | } else { | |
1091 | ds_put_format(string, " table_id=%"PRIu8", ", asr->table_id); | |
1092 | } | |
1093 | ||
1094 | ofp_print_match(string, &asr->match, verbosity); | |
1095 | } | |
1096 | ||
1097 | static void | |
1098 | ofp_aggregate_stats_reply(struct ds *string, const void *body_, | |
67a4917b | 1099 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) |
064af421 BP |
1100 | { |
1101 | const struct ofp_aggregate_stats_reply *asr = body_; | |
1102 | ||
1103 | ds_put_format(string, " packet_count=%"PRIu64, ntohll(asr->packet_count)); | |
1104 | ds_put_format(string, " byte_count=%"PRIu64, ntohll(asr->byte_count)); | |
1105 | ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count)); | |
1106 | } | |
1107 | ||
d295e8e9 | 1108 | static void print_port_stat(struct ds *string, const char *leader, |
064af421 BP |
1109 | uint64_t stat, int more) |
1110 | { | |
1111 | ds_put_cstr(string, leader); | |
1112 | if (stat != -1) { | |
1113 | ds_put_format(string, "%"PRIu64, stat); | |
1114 | } else { | |
1115 | ds_put_char(string, '?'); | |
1116 | } | |
1117 | if (more) { | |
1118 | ds_put_cstr(string, ", "); | |
1119 | } else { | |
1120 | ds_put_cstr(string, "\n"); | |
1121 | } | |
1122 | } | |
1123 | ||
abaad8cf JP |
1124 | static void |
1125 | ofp_port_stats_request(struct ds *string, const void *body_, | |
1126 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
1127 | { | |
1128 | const struct ofp_port_stats_request *psr = body_; | |
1129 | ds_put_format(string, "port_no=%"PRIu16, ntohs(psr->port_no)); | |
1130 | } | |
1131 | ||
064af421 BP |
1132 | static void |
1133 | ofp_port_stats_reply(struct ds *string, const void *body, size_t len, | |
1134 | int verbosity) | |
1135 | { | |
1136 | const struct ofp_port_stats *ps = body; | |
1137 | size_t n = len / sizeof *ps; | |
1138 | ds_put_format(string, " %zu ports\n", n); | |
1139 | if (verbosity < 1) { | |
1140 | return; | |
1141 | } | |
1142 | ||
1143 | for (; n--; ps++) { | |
1144 | ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no)); | |
1145 | ||
1146 | ds_put_cstr(string, "rx "); | |
1147 | print_port_stat(string, "pkts=", ntohll(ps->rx_packets), 1); | |
1148 | print_port_stat(string, "bytes=", ntohll(ps->rx_bytes), 1); | |
1149 | print_port_stat(string, "drop=", ntohll(ps->rx_dropped), 1); | |
1150 | print_port_stat(string, "errs=", ntohll(ps->rx_errors), 1); | |
1151 | print_port_stat(string, "frame=", ntohll(ps->rx_frame_err), 1); | |
1152 | print_port_stat(string, "over=", ntohll(ps->rx_over_err), 1); | |
1153 | print_port_stat(string, "crc=", ntohll(ps->rx_crc_err), 0); | |
1154 | ||
1155 | ds_put_cstr(string, " tx "); | |
1156 | print_port_stat(string, "pkts=", ntohll(ps->tx_packets), 1); | |
1157 | print_port_stat(string, "bytes=", ntohll(ps->tx_bytes), 1); | |
1158 | print_port_stat(string, "drop=", ntohll(ps->tx_dropped), 1); | |
1159 | print_port_stat(string, "errs=", ntohll(ps->tx_errors), 1); | |
1160 | print_port_stat(string, "coll=", ntohll(ps->collisions), 0); | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | static void | |
1165 | ofp_table_stats_reply(struct ds *string, const void *body, size_t len, | |
1166 | int verbosity) | |
1167 | { | |
1168 | const struct ofp_table_stats *ts = body; | |
1169 | size_t n = len / sizeof *ts; | |
1170 | ds_put_format(string, " %zu tables\n", n); | |
1171 | if (verbosity < 1) { | |
1172 | return; | |
1173 | } | |
1174 | ||
1175 | for (; n--; ts++) { | |
1176 | char name[OFP_MAX_TABLE_NAME_LEN + 1]; | |
1177 | strncpy(name, ts->name, sizeof name); | |
1178 | name[OFP_MAX_TABLE_NAME_LEN] = '\0'; | |
1179 | ||
1180 | ds_put_format(string, " %d: %-8s: ", ts->table_id, name); | |
1181 | ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards)); | |
1182 | ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries)); | |
1183 | ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count)); | |
1184 | ds_put_cstr(string, " "); | |
d295e8e9 | 1185 | ds_put_format(string, "lookup=%"PRIu64", ", |
064af421 BP |
1186 | ntohll(ts->lookup_count)); |
1187 | ds_put_format(string, "matched=%"PRIu64"\n", | |
1188 | ntohll(ts->matched_count)); | |
1189 | } | |
1190 | } | |
1191 | ||
d2805da2 BP |
1192 | static void |
1193 | ofp_print_queue_name(struct ds *string, uint32_t queue_id) | |
1194 | { | |
1195 | if (queue_id == OFPQ_ALL) { | |
1196 | ds_put_cstr(string, "ALL"); | |
1197 | } else { | |
1198 | ds_put_format(string, "%"PRIu32, queue_id); | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | static void | |
1203 | ofp_queue_stats_request(struct ds *string, const void *body_, | |
1204 | size_t len OVS_UNUSED, int verbosity OVS_UNUSED) | |
1205 | { | |
1206 | const struct ofp_queue_stats_request *qsr = body_; | |
1207 | ||
1208 | ds_put_cstr(string, "port="); | |
1209 | ofp_print_port_name(string, ntohs(qsr->port_no)); | |
1210 | ||
1211 | ds_put_cstr(string, " queue="); | |
1212 | ofp_print_queue_name(string, ntohl(qsr->queue_id)); | |
1213 | } | |
1214 | ||
1215 | static void | |
1216 | ofp_queue_stats_reply(struct ds *string, const void *body, size_t len, | |
1217 | int verbosity) | |
1218 | { | |
1219 | const struct ofp_queue_stats *qs = body; | |
1220 | size_t n = len / sizeof *qs; | |
1221 | ds_put_format(string, " %zu queues\n", n); | |
1222 | if (verbosity < 1) { | |
1223 | return; | |
1224 | } | |
1225 | ||
1226 | for (; n--; qs++) { | |
1227 | ds_put_cstr(string, " port "); | |
1228 | ofp_print_port_name(string, ntohs(qs->port_no)); | |
1229 | ds_put_cstr(string, " queue "); | |
1230 | ofp_print_queue_name(string, ntohl(qs->queue_id)); | |
1231 | ds_put_cstr(string, ": "); | |
1232 | ||
1233 | print_port_stat(string, "bytes=", ntohll(qs->tx_bytes), 1); | |
1234 | print_port_stat(string, "pkts=", ntohll(qs->tx_packets), 1); | |
1235 | print_port_stat(string, "errors=", ntohll(qs->tx_errors), 0); | |
1236 | } | |
1237 | } | |
1238 | ||
064af421 BP |
1239 | static void |
1240 | vendor_stat(struct ds *string, const void *body, size_t len, | |
67a4917b | 1241 | int verbosity OVS_UNUSED) |
064af421 BP |
1242 | { |
1243 | ds_put_format(string, " vendor=%08"PRIx32, ntohl(*(uint32_t *) body)); | |
1244 | ds_put_format(string, " %zu bytes additional data", | |
1245 | len - sizeof(uint32_t)); | |
1246 | } | |
1247 | ||
1248 | enum stats_direction { | |
1249 | REQUEST, | |
1250 | REPLY | |
1251 | }; | |
1252 | ||
1253 | static void | |
1254 | print_stats(struct ds *string, int type, const void *body, size_t body_len, | |
1255 | int verbosity, enum stats_direction direction) | |
1256 | { | |
1257 | struct stats_msg { | |
1258 | size_t min_body, max_body; | |
1259 | void (*printer)(struct ds *, const void *, size_t len, int verbosity); | |
1260 | }; | |
1261 | ||
1262 | struct stats_type { | |
1263 | int type; | |
1264 | const char *name; | |
1265 | struct stats_msg request; | |
1266 | struct stats_msg reply; | |
1267 | }; | |
1268 | ||
1269 | static const struct stats_type stats_types[] = { | |
1270 | { | |
1271 | OFPST_DESC, | |
1272 | "description", | |
1273 | { 0, 0, NULL }, | |
1274 | { 0, SIZE_MAX, ofp_desc_stats_reply }, | |
1275 | }, | |
1276 | { | |
1277 | OFPST_FLOW, | |
1278 | "flow", | |
1279 | { sizeof(struct ofp_flow_stats_request), | |
1280 | sizeof(struct ofp_flow_stats_request), | |
1281 | ofp_flow_stats_request }, | |
1282 | { 0, SIZE_MAX, ofp_flow_stats_reply }, | |
1283 | }, | |
1284 | { | |
1285 | OFPST_AGGREGATE, | |
1286 | "aggregate", | |
1287 | { sizeof(struct ofp_aggregate_stats_request), | |
1288 | sizeof(struct ofp_aggregate_stats_request), | |
1289 | ofp_aggregate_stats_request }, | |
1290 | { sizeof(struct ofp_aggregate_stats_reply), | |
1291 | sizeof(struct ofp_aggregate_stats_reply), | |
1292 | ofp_aggregate_stats_reply }, | |
1293 | }, | |
1294 | { | |
1295 | OFPST_TABLE, | |
1296 | "table", | |
1297 | { 0, 0, NULL }, | |
1298 | { 0, SIZE_MAX, ofp_table_stats_reply }, | |
1299 | }, | |
1300 | { | |
1301 | OFPST_PORT, | |
1302 | "port", | |
d295e8e9 JP |
1303 | { sizeof(struct ofp_port_stats_request), |
1304 | sizeof(struct ofp_port_stats_request), | |
abaad8cf | 1305 | ofp_port_stats_request }, |
064af421 BP |
1306 | { 0, SIZE_MAX, ofp_port_stats_reply }, |
1307 | }, | |
1308 | { | |
d2805da2 BP |
1309 | OFPST_QUEUE, |
1310 | "queue", | |
1311 | { sizeof(struct ofp_queue_stats_request), | |
1312 | sizeof(struct ofp_queue_stats_request), | |
1313 | ofp_queue_stats_request }, | |
1314 | { 0, SIZE_MAX, ofp_queue_stats_reply }, | |
1315 | }, | |
1316 | { | |
064af421 BP |
1317 | OFPST_VENDOR, |
1318 | "vendor-specific", | |
1319 | { sizeof(uint32_t), SIZE_MAX, vendor_stat }, | |
1320 | { sizeof(uint32_t), SIZE_MAX, vendor_stat }, | |
1321 | }, | |
1322 | { | |
1323 | -1, | |
1324 | "unknown", | |
1325 | { 0, 0, NULL, }, | |
1326 | { 0, 0, NULL, }, | |
1327 | }, | |
1328 | }; | |
1329 | ||
1330 | const struct stats_type *s; | |
1331 | const struct stats_msg *m; | |
1332 | ||
1333 | if (type >= ARRAY_SIZE(stats_types) || !stats_types[type].name) { | |
1334 | ds_put_format(string, " ***unknown type %d***", type); | |
1335 | return; | |
1336 | } | |
1337 | for (s = stats_types; s->type >= 0; s++) { | |
1338 | if (s->type == type) { | |
1339 | break; | |
1340 | } | |
1341 | } | |
1342 | ds_put_format(string, " type=%d(%s)\n", type, s->name); | |
1343 | ||
1344 | m = direction == REQUEST ? &s->request : &s->reply; | |
1345 | if (body_len < m->min_body || body_len > m->max_body) { | |
1346 | ds_put_format(string, " ***body_len=%zu not in %zu...%zu***", | |
1347 | body_len, m->min_body, m->max_body); | |
1348 | return; | |
1349 | } | |
1350 | if (m->printer) { | |
1351 | m->printer(string, body, body_len, verbosity); | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | static void | |
1356 | ofp_stats_request(struct ds *string, const void *oh, size_t len, int verbosity) | |
1357 | { | |
1358 | const struct ofp_stats_request *srq = oh; | |
1359 | ||
1360 | if (srq->flags) { | |
1361 | ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", | |
1362 | ntohs(srq->flags)); | |
1363 | } | |
1364 | ||
1365 | print_stats(string, ntohs(srq->type), srq->body, | |
1366 | len - offsetof(struct ofp_stats_request, body), | |
1367 | verbosity, REQUEST); | |
1368 | } | |
1369 | ||
1370 | static void | |
1371 | ofp_stats_reply(struct ds *string, const void *oh, size_t len, int verbosity) | |
1372 | { | |
1373 | const struct ofp_stats_reply *srp = oh; | |
1374 | ||
1375 | ds_put_cstr(string, " flags="); | |
1376 | if (!srp->flags) { | |
1377 | ds_put_cstr(string, "none"); | |
1378 | } else { | |
1379 | uint16_t flags = ntohs(srp->flags); | |
1380 | if (flags & OFPSF_REPLY_MORE) { | |
1381 | ds_put_cstr(string, "[more]"); | |
1382 | flags &= ~OFPSF_REPLY_MORE; | |
1383 | } | |
1384 | if (flags) { | |
1385 | ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]", flags); | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | print_stats(string, ntohs(srp->type), srp->body, | |
1390 | len - offsetof(struct ofp_stats_reply, body), | |
1391 | verbosity, REPLY); | |
1392 | } | |
1393 | ||
1394 | static void | |
1395 | ofp_echo(struct ds *string, const void *oh, size_t len, int verbosity) | |
1396 | { | |
1397 | const struct ofp_header *hdr = oh; | |
1398 | ||
1399 | ds_put_format(string, " %zu bytes of payload\n", len - sizeof *hdr); | |
1400 | if (verbosity > 1) { | |
d295e8e9 | 1401 | ds_put_hex_dump(string, hdr, len - sizeof *hdr, 0, true); |
064af421 BP |
1402 | } |
1403 | } | |
1404 | ||
1405 | struct openflow_packet { | |
1406 | uint8_t type; | |
1407 | const char *name; | |
1408 | size_t min_size; | |
1409 | void (*printer)(struct ds *, const void *, size_t len, int verbosity); | |
1410 | }; | |
1411 | ||
1412 | static const struct openflow_packet packets[] = { | |
1413 | { | |
1414 | OFPT_HELLO, | |
1415 | "hello", | |
1416 | sizeof (struct ofp_header), | |
1417 | NULL, | |
1418 | }, | |
1419 | { | |
1420 | OFPT_FEATURES_REQUEST, | |
1421 | "features_request", | |
1422 | sizeof (struct ofp_header), | |
1423 | NULL, | |
1424 | }, | |
1425 | { | |
1426 | OFPT_FEATURES_REPLY, | |
1427 | "features_reply", | |
1428 | sizeof (struct ofp_switch_features), | |
1429 | ofp_print_switch_features, | |
1430 | }, | |
1431 | { | |
1432 | OFPT_GET_CONFIG_REQUEST, | |
1433 | "get_config_request", | |
1434 | sizeof (struct ofp_header), | |
1435 | NULL, | |
1436 | }, | |
1437 | { | |
1438 | OFPT_GET_CONFIG_REPLY, | |
1439 | "get_config_reply", | |
1440 | sizeof (struct ofp_switch_config), | |
1441 | ofp_print_switch_config, | |
1442 | }, | |
1443 | { | |
1444 | OFPT_SET_CONFIG, | |
1445 | "set_config", | |
1446 | sizeof (struct ofp_switch_config), | |
1447 | ofp_print_switch_config, | |
1448 | }, | |
1449 | { | |
1450 | OFPT_PACKET_IN, | |
1451 | "packet_in", | |
1452 | offsetof(struct ofp_packet_in, data), | |
1453 | ofp_packet_in, | |
1454 | }, | |
1455 | { | |
1456 | OFPT_PACKET_OUT, | |
1457 | "packet_out", | |
1458 | sizeof (struct ofp_packet_out), | |
1459 | ofp_packet_out, | |
1460 | }, | |
1461 | { | |
1462 | OFPT_FLOW_MOD, | |
1463 | "flow_mod", | |
1464 | sizeof (struct ofp_flow_mod), | |
1465 | ofp_print_flow_mod, | |
1466 | }, | |
1467 | { | |
ca069229 JP |
1468 | OFPT_FLOW_REMOVED, |
1469 | "flow_removed", | |
1470 | sizeof (struct ofp_flow_removed), | |
1471 | ofp_print_flow_removed, | |
064af421 BP |
1472 | }, |
1473 | { | |
1474 | OFPT_PORT_MOD, | |
1475 | "port_mod", | |
1476 | sizeof (struct ofp_port_mod), | |
1477 | ofp_print_port_mod, | |
1478 | }, | |
1479 | { | |
1480 | OFPT_PORT_STATUS, | |
1481 | "port_status", | |
1482 | sizeof (struct ofp_port_status), | |
1483 | ofp_print_port_status | |
1484 | }, | |
1485 | { | |
1486 | OFPT_ERROR, | |
1487 | "error_msg", | |
1488 | sizeof (struct ofp_error_msg), | |
1489 | ofp_print_error_msg, | |
1490 | }, | |
1491 | { | |
1492 | OFPT_STATS_REQUEST, | |
1493 | "stats_request", | |
1494 | sizeof (struct ofp_stats_request), | |
1495 | ofp_stats_request, | |
1496 | }, | |
1497 | { | |
1498 | OFPT_STATS_REPLY, | |
1499 | "stats_reply", | |
1500 | sizeof (struct ofp_stats_reply), | |
1501 | ofp_stats_reply, | |
1502 | }, | |
1503 | { | |
1504 | OFPT_ECHO_REQUEST, | |
1505 | "echo_request", | |
1506 | sizeof (struct ofp_header), | |
1507 | ofp_echo, | |
1508 | }, | |
1509 | { | |
1510 | OFPT_ECHO_REPLY, | |
1511 | "echo_reply", | |
1512 | sizeof (struct ofp_header), | |
1513 | ofp_echo, | |
1514 | }, | |
1515 | { | |
1516 | OFPT_VENDOR, | |
1517 | "vendor", | |
1518 | sizeof (struct ofp_vendor_header), | |
1519 | NULL, | |
1520 | }, | |
246e61ea JP |
1521 | { |
1522 | OFPT_BARRIER_REQUEST, | |
1523 | "barrier_request", | |
1524 | sizeof (struct ofp_header), | |
1525 | NULL, | |
1526 | }, | |
1527 | { | |
1528 | OFPT_BARRIER_REPLY, | |
1529 | "barrier_reply", | |
1530 | sizeof (struct ofp_header), | |
1531 | NULL, | |
1532 | } | |
064af421 BP |
1533 | }; |
1534 | ||
1535 | /* Composes and returns a string representing the OpenFlow packet of 'len' | |
1536 | * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of | |
1537 | * verbosity and higher numbers increase verbosity. The caller is responsible | |
1538 | * for freeing the string. */ | |
1539 | char * | |
1540 | ofp_to_string(const void *oh_, size_t len, int verbosity) | |
1541 | { | |
1542 | struct ds string = DS_EMPTY_INITIALIZER; | |
1543 | const struct ofp_header *oh = oh_; | |
1544 | const struct openflow_packet *pkt; | |
1545 | ||
1546 | if (len < sizeof(struct ofp_header)) { | |
1547 | ds_put_cstr(&string, "OpenFlow packet too short:\n"); | |
1548 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1549 | return ds_cstr(&string); | |
1550 | } else if (oh->version != OFP_VERSION) { | |
1551 | ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n", oh->version); | |
1552 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1553 | return ds_cstr(&string); | |
1554 | } | |
1555 | ||
1556 | for (pkt = packets; ; pkt++) { | |
1557 | if (pkt >= &packets[ARRAY_SIZE(packets)]) { | |
1558 | ds_put_format(&string, "Unknown OpenFlow packet type %"PRIu8":\n", | |
1559 | oh->type); | |
1560 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1561 | return ds_cstr(&string); | |
1562 | } else if (oh->type == pkt->type) { | |
1563 | break; | |
1564 | } | |
1565 | } | |
1566 | ||
1567 | ds_put_format(&string, "%s (xid=0x%"PRIx32"):", pkt->name, oh->xid); | |
1568 | ||
1569 | if (ntohs(oh->length) > len) | |
1570 | ds_put_format(&string, " (***truncated to %zu bytes from %"PRIu16"***)", | |
1571 | len, ntohs(oh->length)); | |
1572 | else if (ntohs(oh->length) < len) { | |
1573 | ds_put_format(&string, " (***only uses %"PRIu16" bytes out of %zu***)\n", | |
1574 | ntohs(oh->length), len); | |
1575 | len = ntohs(oh->length); | |
1576 | } | |
1577 | ||
1578 | if (len < pkt->min_size) { | |
1579 | ds_put_format(&string, " (***length=%zu < min_size=%zu***)\n", | |
1580 | len, pkt->min_size); | |
1581 | } else if (!pkt->printer) { | |
1582 | if (len > sizeof *oh) { | |
1583 | ds_put_format(&string, " length=%"PRIu16" (decoder not implemented)\n", | |
d295e8e9 | 1584 | ntohs(oh->length)); |
064af421 BP |
1585 | } |
1586 | } else { | |
1587 | pkt->printer(&string, oh, len, verbosity); | |
1588 | } | |
1589 | if (verbosity >= 3) { | |
1590 | ds_put_hex_dump(&string, oh, len, 0, true); | |
1591 | } | |
1592 | if (string.string[string.length - 1] != '\n') { | |
1593 | ds_put_char(&string, '\n'); | |
1594 | } | |
1595 | return ds_cstr(&string); | |
1596 | } | |
1597 | ||
1598 | /* Returns the name for the specified OpenFlow message type as a string, | |
1599 | * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a | |
1600 | * hex number, e.g. "0x55". | |
1601 | * | |
1602 | * The caller must free the returned string when it is no longer needed. */ | |
1603 | char * | |
1604 | ofp_message_type_to_string(uint8_t type) | |
1605 | { | |
1606 | struct ds s = DS_EMPTY_INITIALIZER; | |
1607 | const struct openflow_packet *pkt; | |
1608 | for (pkt = packets; ; pkt++) { | |
1609 | if (pkt >= &packets[ARRAY_SIZE(packets)]) { | |
1610 | ds_put_format(&s, "0x%02"PRIx8, type); | |
1611 | break; | |
1612 | } else if (type == pkt->type) { | |
1613 | const char *p; | |
1614 | ||
1615 | ds_put_cstr(&s, "OFPT_"); | |
1616 | for (p = pkt->name; *p; p++) { | |
1617 | ds_put_char(&s, toupper((unsigned char) *p)); | |
1618 | } | |
1619 | break; | |
1620 | } | |
1621 | } | |
1622 | return ds_cstr(&s); | |
1623 | } | |
1624 | \f | |
1625 | static void | |
d295e8e9 | 1626 | print_and_free(FILE *stream, char *string) |
064af421 BP |
1627 | { |
1628 | fputs(string, stream); | |
1629 | free(string); | |
1630 | } | |
1631 | ||
1632 | /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the | |
1633 | * given 'verbosity' level. 0 is a minimal amount of verbosity and higher | |
1634 | * numbers increase verbosity. */ | |
1635 | void | |
1636 | ofp_print(FILE *stream, const void *oh, size_t len, int verbosity) | |
1637 | { | |
1638 | print_and_free(stream, ofp_to_string(oh, len, verbosity)); | |
1639 | } | |
1640 | ||
1641 | /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at | |
1642 | * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of | |
1643 | * the Ethernet frame (of which 'len' bytes were captured). | |
1644 | * | |
1645 | * This starts and kills a tcpdump subprocess so it's quite expensive. */ | |
1646 | void | |
1647 | ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len) | |
1648 | { | |
1649 | print_and_free(stream, ofp_packet_to_string(data, len, total_len)); | |
1650 | } |