]>
Commit | Line | Data |
---|---|---|
fceef209 DDP |
1 | /* |
2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include <arpa/inet.h> | |
19 | #include <errno.h> | |
20 | #include <inttypes.h> | |
21 | #include <sys/socket.h> | |
22 | #include <net/if.h> | |
23 | #include <netinet/in.h> | |
24 | #include <stdarg.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
28 | ||
29 | #include "command-line.h" | |
30 | #include "compiler.h" | |
31 | #include "dirs.h" | |
32 | #include "dpctl.h" | |
33 | #include "dpif.h" | |
34 | #include "dynamic-string.h" | |
35 | #include "flow.h" | |
36 | #include "match.h" | |
37 | #include "netdev.h" | |
38 | #include "netlink.h" | |
39 | #include "odp-util.h" | |
40 | #include "ofp-parse.h" | |
41 | #include "ofpbuf.h" | |
42 | #include "packets.h" | |
43 | #include "shash.h" | |
44 | #include "simap.h" | |
45 | #include "smap.h" | |
46 | #include "sset.h" | |
47 | #include "timeval.h" | |
48 | #include "unixctl.h" | |
49 | #include "util.h" | |
50 | ||
51 | static void | |
52 | dpctl_puts(struct dpctl_params *dpctl_p, bool error, const char *string) | |
53 | { | |
54 | dpctl_p->output(dpctl_p->aux, error, string); | |
55 | } | |
56 | ||
57 | static void | |
58 | dpctl_print(struct dpctl_params *dpctl_p, const char *fmt, ...) | |
59 | { | |
60 | char *string; | |
61 | va_list args; | |
62 | ||
63 | va_start(args, fmt); | |
64 | string = xvasprintf(fmt, args); | |
65 | va_end(args); | |
66 | ||
67 | dpctl_puts(dpctl_p, false, string); | |
68 | free(string); | |
69 | } | |
70 | ||
71 | static void | |
72 | dpctl_error(struct dpctl_params* dpctl_p, int err_no, const char *fmt, ...) | |
73 | { | |
74 | const char *subprogram_name = get_subprogram_name(); | |
75 | struct ds ds = DS_EMPTY_INITIALIZER; | |
76 | int save_errno = errno; | |
77 | va_list args; | |
78 | ||
79 | ||
80 | if (subprogram_name[0]) { | |
81 | ds_put_format(&ds, "%s(%s): ", program_name,subprogram_name); | |
82 | } else { | |
83 | ds_put_format(&ds, "%s: ", program_name); | |
84 | } | |
85 | ||
86 | va_start(args, fmt); | |
87 | ds_put_format_valist(&ds, fmt, args); | |
88 | va_end(args); | |
89 | ||
90 | if (err_no != 0) { | |
91 | ds_put_format(&ds, " (%s)", ovs_retval_to_string(err_no)); | |
92 | } | |
93 | ds_put_cstr(&ds, "\n"); | |
94 | ||
95 | dpctl_puts(dpctl_p, true, ds_cstr(&ds)); | |
96 | ||
97 | ds_destroy(&ds); | |
98 | ||
99 | errno = save_errno; | |
100 | } | |
101 | \f | |
102 | static int dpctl_add_if(int argc, const char *argv[], struct dpctl_params *); | |
103 | ||
104 | static int | |
105 | if_up(struct netdev *netdev) | |
106 | { | |
107 | return netdev_turn_flags_on(netdev, NETDEV_UP, NULL); | |
108 | } | |
109 | ||
110 | /* Retrieve the name of the datapath if exactly one exists. The caller | |
111 | * is responsible for freeing the returned string. If there is not one | |
112 | * datapath, aborts with an error message. */ | |
113 | static char * | |
114 | get_one_dp(struct dpctl_params *dpctl_p) | |
115 | { | |
116 | struct sset types; | |
117 | const char *type; | |
118 | char *dp_name = NULL; | |
119 | size_t count = 0; | |
120 | ||
121 | sset_init(&types); | |
122 | dp_enumerate_types(&types); | |
123 | SSET_FOR_EACH (type, &types) { | |
124 | struct sset names; | |
125 | ||
126 | sset_init(&names); | |
127 | if (!dp_enumerate_names(type, &names)) { | |
128 | count += sset_count(&names); | |
129 | if (!dp_name && count == 1) { | |
130 | dp_name = xasprintf("%s@%s", type, SSET_FIRST(&names)); | |
131 | } | |
132 | } | |
133 | sset_destroy(&names); | |
134 | } | |
135 | sset_destroy(&types); | |
136 | ||
137 | if (!count) { | |
138 | dpctl_error(dpctl_p, 0, "no datapaths exist"); | |
139 | } else if (count > 1) { | |
140 | dpctl_error(dpctl_p, 0, "multiple datapaths, specify one"); | |
141 | free(dp_name); | |
142 | dp_name = NULL; | |
143 | } | |
144 | ||
145 | return dp_name; | |
146 | } | |
147 | ||
148 | static int | |
149 | parsed_dpif_open(const char *arg_, bool create, struct dpif **dpifp) | |
150 | { | |
151 | int result; | |
152 | char *name, *type; | |
153 | ||
154 | dp_parse_name(arg_, &name, &type); | |
155 | ||
156 | if (create) { | |
157 | result = dpif_create(name, type, dpifp); | |
158 | } else { | |
159 | result = dpif_open(name, type, dpifp); | |
160 | } | |
161 | ||
162 | free(name); | |
163 | free(type); | |
164 | return result; | |
165 | } | |
166 | ||
167 | static int | |
168 | dpctl_add_dp(int argc, const char *argv[], | |
169 | struct dpctl_params *dpctl_p) | |
170 | { | |
171 | struct dpif *dpif; | |
172 | int error; | |
173 | ||
174 | error = parsed_dpif_open(argv[1], true, &dpif); | |
175 | if (error) { | |
176 | dpctl_error(dpctl_p, error, "add_dp"); | |
177 | return error; | |
178 | } | |
179 | dpif_close(dpif); | |
180 | if (argc > 2) { | |
181 | error = dpctl_add_if(argc, argv, dpctl_p); | |
182 | } | |
183 | return error; | |
184 | } | |
185 | ||
186 | static int | |
187 | dpctl_del_dp(int argc OVS_UNUSED, const char *argv[], | |
188 | struct dpctl_params *dpctl_p) | |
189 | { | |
190 | struct dpif *dpif; | |
191 | int error; | |
192 | ||
193 | error = parsed_dpif_open(argv[1], false, &dpif); | |
194 | if (error) { | |
195 | dpctl_error(dpctl_p, error, "opening datapath"); | |
196 | return error; | |
197 | } | |
198 | error = dpif_delete(dpif); | |
199 | if (error) { | |
200 | dpctl_error(dpctl_p, error, "del_dp"); | |
201 | } | |
202 | ||
203 | dpif_close(dpif); | |
204 | return error; | |
205 | } | |
206 | ||
207 | static int | |
208 | dpctl_add_if(int argc OVS_UNUSED, const char *argv[], | |
209 | struct dpctl_params *dpctl_p) | |
210 | { | |
211 | struct dpif *dpif; | |
212 | int i, error, lasterror = 0; | |
213 | ||
214 | error = parsed_dpif_open(argv[1], false, &dpif); | |
215 | if (error) { | |
216 | dpctl_error(dpctl_p, error, "opening datapath"); | |
217 | return error; | |
218 | } | |
219 | for (i = 2; i < argc; i++) { | |
220 | const char *name, *type; | |
221 | char *save_ptr = NULL, *argcopy; | |
222 | struct netdev *netdev = NULL; | |
223 | struct smap args; | |
224 | odp_port_t port_no = ODPP_NONE; | |
225 | char *option; | |
226 | ||
227 | argcopy = xstrdup(argv[i]); | |
228 | name = strtok_r(argcopy, ",", &save_ptr); | |
229 | type = "system"; | |
230 | ||
231 | if (!name) { | |
232 | dpctl_error(dpctl_p, 0, "%s is not a valid network device name", | |
233 | argv[i]); | |
234 | error = EINVAL; | |
235 | goto next; | |
236 | } | |
237 | ||
238 | smap_init(&args); | |
239 | while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) { | |
240 | char *save_ptr_2 = NULL; | |
241 | char *key, *value; | |
242 | ||
243 | key = strtok_r(option, "=", &save_ptr_2); | |
244 | value = strtok_r(NULL, "", &save_ptr_2); | |
245 | if (!value) { | |
246 | value = ""; | |
247 | } | |
248 | ||
249 | if (!strcmp(key, "type")) { | |
250 | type = value; | |
251 | } else if (!strcmp(key, "port_no")) { | |
252 | port_no = u32_to_odp(atoi(value)); | |
253 | } else if (!smap_add_once(&args, key, value)) { | |
254 | dpctl_error(dpctl_p, 0, "duplicate \"%s\" option", key); | |
255 | } | |
256 | } | |
257 | ||
258 | error = netdev_open(name, type, &netdev); | |
259 | if (error) { | |
260 | dpctl_error(dpctl_p, error, "%s: failed to open network device", | |
261 | name); | |
262 | goto next_destroy_args; | |
263 | } | |
264 | ||
265 | error = netdev_set_config(netdev, &args, NULL); | |
266 | if (error) { | |
267 | goto next_destroy_args; | |
268 | } | |
269 | ||
270 | error = dpif_port_add(dpif, netdev, &port_no); | |
271 | if (error) { | |
272 | dpctl_error(dpctl_p, error, "adding %s to %s failed", name, | |
273 | argv[1]); | |
274 | goto next_destroy_args; | |
275 | } | |
276 | ||
277 | error = if_up(netdev); | |
278 | if (error) { | |
279 | dpctl_error(dpctl_p, error, "%s: failed bringing interface up", | |
280 | name); | |
281 | } | |
282 | ||
283 | next_destroy_args: | |
284 | netdev_close(netdev); | |
285 | smap_destroy(&args); | |
286 | next: | |
287 | free(argcopy); | |
288 | if (error) { | |
289 | lasterror = error; | |
290 | } | |
291 | } | |
292 | dpif_close(dpif); | |
293 | ||
294 | return lasterror; | |
295 | } | |
296 | ||
297 | static int | |
298 | dpctl_set_if(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
299 | { | |
300 | struct dpif *dpif; | |
301 | int i, error, lasterror = 0; | |
302 | ||
303 | error = parsed_dpif_open(argv[1], false, &dpif); | |
304 | if (error) { | |
305 | dpctl_error(dpctl_p, error, "opening datapath"); | |
306 | return error; | |
307 | } | |
308 | for (i = 2; i < argc; i++) { | |
309 | struct netdev *netdev = NULL; | |
310 | struct dpif_port dpif_port; | |
311 | char *save_ptr = NULL; | |
312 | char *type = NULL; | |
313 | char *argcopy; | |
314 | const char *name; | |
315 | struct smap args; | |
316 | odp_port_t port_no; | |
317 | char *option; | |
318 | int error = 0; | |
319 | ||
320 | argcopy = xstrdup(argv[i]); | |
321 | name = strtok_r(argcopy, ",", &save_ptr); | |
322 | if (!name) { | |
323 | dpctl_error(dpctl_p, 0, "%s is not a valid network device name", | |
324 | argv[i]); | |
325 | goto next; | |
326 | } | |
327 | ||
328 | /* Get the port's type from the datapath. */ | |
329 | error = dpif_port_query_by_name(dpif, name, &dpif_port); | |
330 | if (error) { | |
331 | dpctl_error(dpctl_p, error, "%s: failed to query port in %s", name, | |
332 | argv[1]); | |
333 | goto next; | |
334 | } | |
335 | type = xstrdup(dpif_port.type); | |
336 | port_no = dpif_port.port_no; | |
337 | dpif_port_destroy(&dpif_port); | |
338 | ||
339 | /* Retrieve its existing configuration. */ | |
340 | error = netdev_open(name, type, &netdev); | |
341 | if (error) { | |
342 | dpctl_error(dpctl_p, error, "%s: failed to open network device", | |
343 | name); | |
344 | goto next; | |
345 | } | |
346 | ||
347 | smap_init(&args); | |
348 | error = netdev_get_config(netdev, &args); | |
349 | if (error) { | |
350 | dpctl_error(dpctl_p, error, "%s: failed to fetch configuration", | |
351 | name); | |
352 | goto next_destroy_args; | |
353 | } | |
354 | ||
355 | /* Parse changes to configuration. */ | |
356 | while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) { | |
357 | char *save_ptr_2 = NULL; | |
358 | char *key, *value; | |
359 | ||
360 | key = strtok_r(option, "=", &save_ptr_2); | |
361 | value = strtok_r(NULL, "", &save_ptr_2); | |
362 | if (!value) { | |
363 | value = ""; | |
364 | } | |
365 | ||
366 | if (!strcmp(key, "type")) { | |
367 | if (strcmp(value, type)) { | |
368 | dpctl_error(dpctl_p, 0, | |
369 | "%s: can't change type from %s to %s", | |
370 | name, type, value); | |
371 | error = EINVAL; | |
372 | } | |
373 | } else if (!strcmp(key, "port_no")) { | |
374 | if (port_no != u32_to_odp(atoi(value))) { | |
375 | dpctl_error(dpctl_p, 0, "%s: can't change port number from" | |
376 | " %"PRIu32" to %d", name, port_no, atoi(value)); | |
377 | error = EINVAL; | |
378 | } | |
379 | } else if (value[0] == '\0') { | |
380 | smap_remove(&args, key); | |
381 | } else { | |
382 | smap_replace(&args, key, value); | |
383 | } | |
384 | } | |
385 | ||
386 | /* Update configuration. */ | |
387 | error = netdev_set_config(netdev, &args, NULL); | |
388 | if (error) { | |
389 | goto next_destroy_args; | |
390 | } | |
391 | ||
392 | next_destroy_args: | |
393 | smap_destroy(&args); | |
394 | next: | |
395 | netdev_close(netdev); | |
396 | free(type); | |
397 | free(argcopy); | |
398 | if (error) { | |
399 | lasterror = error; | |
400 | } | |
401 | } | |
402 | dpif_close(dpif); | |
403 | ||
404 | return lasterror; | |
405 | } | |
406 | ||
407 | static bool | |
408 | get_port_number(struct dpif *dpif, const char *name, odp_port_t *port, | |
409 | struct dpctl_params *dpctl_p) | |
410 | { | |
411 | struct dpif_port dpif_port; | |
412 | ||
413 | if (!dpif_port_query_by_name(dpif, name, &dpif_port)) { | |
414 | *port = dpif_port.port_no; | |
415 | dpif_port_destroy(&dpif_port); | |
416 | return true; | |
417 | } else { | |
418 | dpctl_error(dpctl_p, 0, "no port named %s", name); | |
419 | return false; | |
420 | } | |
421 | } | |
422 | ||
423 | static int | |
424 | dpctl_del_if(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
425 | { | |
426 | struct dpif *dpif; | |
427 | int i, error, lasterror = 0; | |
428 | ||
429 | error = parsed_dpif_open(argv[1], false, &dpif); | |
430 | if (error) { | |
431 | dpctl_error(dpctl_p, error, "opening datapath"); | |
432 | return error; | |
433 | } | |
434 | for (i = 2; i < argc; i++) { | |
435 | const char *name = argv[i]; | |
436 | odp_port_t port; | |
437 | ||
438 | if (!name[strspn(name, "0123456789")]) { | |
439 | port = u32_to_odp(atoi(name)); | |
440 | } else if (!get_port_number(dpif, name, &port, dpctl_p)) { | |
441 | lasterror = ENOENT; | |
442 | continue; | |
443 | } | |
444 | ||
445 | error = dpif_port_del(dpif, port); | |
446 | if (error) { | |
447 | dpctl_error(dpctl_p, error, "deleting port %s from %s failed", | |
448 | name, argv[1]); | |
449 | lasterror = error; | |
450 | } | |
451 | } | |
452 | dpif_close(dpif); | |
453 | return lasterror; | |
454 | } | |
455 | ||
456 | static void | |
457 | print_stat(struct dpctl_params *dpctl_p, const char *leader, uint64_t value) | |
458 | { | |
459 | dpctl_print(dpctl_p, "%s", leader); | |
460 | if (value != UINT64_MAX) { | |
461 | dpctl_print(dpctl_p, "%"PRIu64, value); | |
462 | } else { | |
463 | dpctl_print(dpctl_p, "?"); | |
464 | } | |
465 | } | |
466 | ||
467 | static void | |
468 | print_human_size(struct dpctl_params *dpctl_p, uint64_t value) | |
469 | { | |
470 | if (value == UINT64_MAX) { | |
471 | /* Nothing to do. */ | |
472 | } else if (value >= 1024ULL * 1024 * 1024 * 1024) { | |
473 | dpctl_print(dpctl_p, " (%.1f TiB)", | |
474 | value / (1024.0 * 1024 * 1024 * 1024)); | |
475 | } else if (value >= 1024ULL * 1024 * 1024) { | |
476 | dpctl_print(dpctl_p, " (%.1f GiB)", value / (1024.0 * 1024 * 1024)); | |
477 | } else if (value >= 1024ULL * 1024) { | |
478 | dpctl_print(dpctl_p, " (%.1f MiB)", value / (1024.0 * 1024)); | |
479 | } else if (value >= 1024) { | |
480 | dpctl_print(dpctl_p, " (%.1f KiB)", value / 1024.0); | |
481 | } | |
482 | } | |
483 | ||
484 | static void | |
485 | show_dpif(struct dpif *dpif, struct dpctl_params *dpctl_p) | |
486 | { | |
487 | struct dpif_port_dump dump; | |
488 | struct dpif_port dpif_port; | |
489 | struct dpif_dp_stats stats; | |
490 | struct netdev *netdev; | |
491 | ||
492 | dpctl_print(dpctl_p, "%s:\n", dpif_name(dpif)); | |
493 | if (!dpif_get_dp_stats(dpif, &stats)) { | |
494 | dpctl_print(dpctl_p, "\tlookups: hit:%"PRIu64" missed:%"PRIu64 | |
495 | " lost:%"PRIu64"\n\tflows: %"PRIu64"\n", | |
496 | stats.n_hit, stats.n_missed, stats.n_lost, stats.n_flows); | |
497 | if (stats.n_masks != UINT32_MAX) { | |
498 | uint64_t n_pkts = stats.n_hit + stats.n_missed; | |
499 | double avg = n_pkts ? (double) stats.n_mask_hit / n_pkts : 0.0; | |
500 | ||
501 | dpctl_print(dpctl_p, "\tmasks: hit:%"PRIu64" total:%"PRIu32 | |
502 | " hit/pkt:%.2f\n", | |
503 | stats.n_mask_hit, stats.n_masks, avg); | |
504 | } | |
505 | } | |
506 | ||
507 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, dpif) { | |
508 | dpctl_print(dpctl_p, "\tport %u: %s", | |
509 | dpif_port.port_no, dpif_port.name); | |
510 | ||
511 | if (strcmp(dpif_port.type, "system")) { | |
512 | int error; | |
513 | ||
514 | dpctl_print(dpctl_p, " (%s", dpif_port.type); | |
515 | ||
516 | error = netdev_open(dpif_port.name, dpif_port.type, &netdev); | |
517 | if (!error) { | |
518 | struct smap config; | |
519 | ||
520 | smap_init(&config); | |
521 | error = netdev_get_config(netdev, &config); | |
522 | if (!error) { | |
523 | const struct smap_node **nodes; | |
524 | size_t i; | |
525 | ||
526 | nodes = smap_sort(&config); | |
527 | for (i = 0; i < smap_count(&config); i++) { | |
528 | const struct smap_node *node = nodes[i]; | |
529 | dpctl_print(dpctl_p, "%c %s=%s", i ? ',' : ':', | |
530 | node->key, node->value); | |
531 | } | |
532 | free(nodes); | |
533 | } else { | |
534 | dpctl_print(dpctl_p, ", could not retrieve configuration " | |
535 | "(%s)", ovs_strerror(error)); | |
536 | } | |
537 | smap_destroy(&config); | |
538 | ||
539 | netdev_close(netdev); | |
540 | } else { | |
541 | dpctl_print(dpctl_p, ": open failed (%s)", | |
542 | ovs_strerror(error)); | |
543 | } | |
544 | dpctl_print(dpctl_p, ")"); | |
545 | } | |
546 | dpctl_print(dpctl_p, "\n"); | |
547 | ||
548 | if (dpctl_p->print_statistics) { | |
549 | struct netdev_stats s; | |
550 | int error; | |
551 | ||
552 | error = netdev_open(dpif_port.name, dpif_port.type, &netdev); | |
553 | if (error) { | |
554 | dpctl_print(dpctl_p, ", open failed (%s)", | |
555 | ovs_strerror(error)); | |
556 | continue; | |
557 | } | |
558 | error = netdev_get_stats(netdev, &s); | |
559 | if (!error) { | |
560 | netdev_close(netdev); | |
561 | print_stat(dpctl_p, "\t\tRX packets:", s.rx_packets); | |
562 | print_stat(dpctl_p, " errors:", s.rx_errors); | |
563 | print_stat(dpctl_p, " dropped:", s.rx_dropped); | |
564 | print_stat(dpctl_p, " overruns:", s.rx_over_errors); | |
565 | print_stat(dpctl_p, " frame:", s.rx_frame_errors); | |
566 | dpctl_print(dpctl_p, "\n"); | |
567 | ||
568 | print_stat(dpctl_p, "\t\tTX packets:", s.tx_packets); | |
569 | print_stat(dpctl_p, " errors:", s.tx_errors); | |
570 | print_stat(dpctl_p, " dropped:", s.tx_dropped); | |
571 | print_stat(dpctl_p, " aborted:", s.tx_aborted_errors); | |
572 | print_stat(dpctl_p, " carrier:", s.tx_carrier_errors); | |
573 | dpctl_print(dpctl_p, "\n"); | |
574 | ||
575 | print_stat(dpctl_p, "\t\tcollisions:", s.collisions); | |
576 | dpctl_print(dpctl_p, "\n"); | |
577 | ||
578 | print_stat(dpctl_p, "\t\tRX bytes:", s.rx_bytes); | |
579 | print_human_size(dpctl_p, s.rx_bytes); | |
580 | print_stat(dpctl_p, " TX bytes:", s.tx_bytes); | |
581 | print_human_size(dpctl_p, s.tx_bytes); | |
582 | dpctl_print(dpctl_p, "\n"); | |
583 | } else { | |
584 | dpctl_print(dpctl_p, ", could not retrieve stats (%s)", | |
585 | ovs_strerror(error)); | |
586 | } | |
587 | } | |
588 | } | |
589 | dpif_close(dpif); | |
590 | } | |
591 | ||
592 | static int | |
593 | dpctl_show(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
594 | { | |
595 | int error, lasterror = 0; | |
596 | if (argc > 1) { | |
597 | int i; | |
598 | for (i = 1; i < argc; i++) { | |
599 | const char *name = argv[i]; | |
600 | struct dpif *dpif; | |
601 | ||
602 | error = parsed_dpif_open(name, false, &dpif); | |
603 | if (!error) { | |
604 | show_dpif(dpif, dpctl_p); | |
605 | } else { | |
606 | dpctl_error(dpctl_p, error, "opening datapath %s failed", | |
607 | name); | |
608 | lasterror = error; | |
609 | } | |
610 | } | |
611 | } else { | |
612 | struct sset types; | |
613 | const char *type; | |
614 | ||
615 | sset_init(&types); | |
616 | dp_enumerate_types(&types); | |
617 | SSET_FOR_EACH (type, &types) { | |
618 | struct sset names; | |
619 | const char *name; | |
620 | ||
621 | sset_init(&names); | |
622 | error = dp_enumerate_names(type, &names); | |
623 | if (error) { | |
624 | lasterror = error; | |
625 | goto next; | |
626 | } | |
627 | SSET_FOR_EACH (name, &names) { | |
628 | struct dpif *dpif; | |
629 | ||
630 | error = dpif_open(name, type, &dpif); | |
631 | if (!error) { | |
632 | show_dpif(dpif, dpctl_p); | |
633 | } else { | |
634 | dpctl_error(dpctl_p, error, "opening datapath %s failed", | |
635 | name); | |
636 | lasterror = error; | |
637 | } | |
638 | } | |
639 | next: | |
640 | sset_destroy(&names); | |
641 | } | |
642 | sset_destroy(&types); | |
643 | } | |
644 | return lasterror; | |
645 | } | |
646 | ||
647 | static int | |
648 | dpctl_dump_dps(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED, | |
649 | struct dpctl_params *dpctl_p) | |
650 | { | |
651 | struct sset dpif_names, dpif_types; | |
652 | const char *type; | |
653 | int error, lasterror = 0; | |
654 | ||
655 | sset_init(&dpif_names); | |
656 | sset_init(&dpif_types); | |
657 | dp_enumerate_types(&dpif_types); | |
658 | ||
659 | SSET_FOR_EACH (type, &dpif_types) { | |
660 | const char *name; | |
661 | ||
662 | error = dp_enumerate_names(type, &dpif_names); | |
663 | if (error) { | |
664 | lasterror = error; | |
665 | } | |
666 | ||
667 | SSET_FOR_EACH (name, &dpif_names) { | |
668 | struct dpif *dpif; | |
669 | if (!dpif_open(name, type, &dpif)) { | |
670 | dpctl_print(dpctl_p, "%s\n", dpif_name(dpif)); | |
671 | dpif_close(dpif); | |
672 | } | |
673 | } | |
674 | } | |
675 | ||
676 | sset_destroy(&dpif_names); | |
677 | sset_destroy(&dpif_types); | |
678 | return lasterror; | |
679 | } | |
680 | ||
681 | static int | |
682 | dpctl_dump_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
683 | { | |
684 | struct dpif *dpif; | |
685 | struct ds ds; | |
686 | char *name; | |
687 | ||
688 | char *filter = NULL; | |
689 | struct flow flow_filter; | |
690 | struct flow_wildcards wc_filter; | |
691 | ||
692 | struct dpif_port_dump port_dump; | |
693 | struct dpif_port dpif_port; | |
694 | struct hmap portno_names; | |
695 | struct simap names_portno; | |
696 | ||
697 | struct dpif_flow_dump_thread *flow_dump_thread; | |
698 | struct dpif_flow_dump *flow_dump; | |
699 | struct dpif_flow f; | |
700 | ||
701 | int error; | |
702 | ||
703 | if (argc > 1 && !strncmp(argv[argc - 1], "filter=", 7)) { | |
704 | filter = xstrdup(argv[--argc] + 7); | |
705 | } | |
706 | name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
707 | if (!name) { | |
708 | error = EINVAL; | |
709 | goto out_freefilter; | |
710 | } | |
711 | ||
712 | error = parsed_dpif_open(name, false, &dpif); | |
713 | free(name); | |
714 | if (error) { | |
715 | dpctl_error(dpctl_p, error, "opening datapath"); | |
716 | goto out_freefilter; | |
717 | } | |
718 | ||
719 | ||
720 | hmap_init(&portno_names); | |
721 | simap_init(&names_portno); | |
722 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { | |
723 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
724 | simap_put(&names_portno, dpif_port.name, | |
725 | odp_to_u32(dpif_port.port_no)); | |
726 | } | |
727 | ||
728 | if (filter) { | |
729 | char *err = parse_ofp_exact_flow(&flow_filter, &wc_filter.masks, | |
730 | filter, &names_portno); | |
731 | if (err) { | |
732 | dpctl_error(dpctl_p, 0, "Failed to parse filter (%s)", err); | |
733 | error = EINVAL; | |
734 | goto out_dpifclose; | |
735 | } | |
736 | } | |
737 | ||
738 | ds_init(&ds); | |
739 | flow_dump = dpif_flow_dump_create(dpif); | |
740 | flow_dump_thread = dpif_flow_dump_thread_create(flow_dump); | |
741 | while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) { | |
742 | if (filter) { | |
743 | struct flow flow; | |
744 | struct flow_wildcards wc; | |
745 | struct match match, match_filter; | |
746 | struct minimatch minimatch; | |
747 | ||
748 | odp_flow_key_to_flow(f.key, f.key_len, &flow); | |
749 | odp_flow_key_to_mask(f.mask, f.mask_len, &wc.masks, &flow); | |
750 | match_init(&match, &flow, &wc); | |
751 | ||
752 | match_init(&match_filter, &flow_filter, &wc); | |
753 | match_init(&match_filter, &match_filter.flow, &wc_filter); | |
754 | minimatch_init(&minimatch, &match_filter); | |
755 | ||
756 | if (!minimatch_matches_flow(&minimatch, &match.flow)) { | |
757 | minimatch_destroy(&minimatch); | |
758 | continue; | |
759 | } | |
760 | minimatch_destroy(&minimatch); | |
761 | } | |
762 | ds_clear(&ds); | |
763 | odp_flow_format(f.key, f.key_len, f.mask, f.mask_len, | |
764 | &portno_names, &ds, dpctl_p->verbosity); | |
765 | ds_put_cstr(&ds, ", "); | |
766 | ||
767 | dpif_flow_stats_format(&f.stats, &ds); | |
768 | ds_put_cstr(&ds, ", actions:"); | |
769 | format_odp_actions(&ds, f.actions, f.actions_len); | |
770 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds)); | |
771 | } | |
772 | dpif_flow_dump_thread_destroy(flow_dump_thread); | |
773 | error = dpif_flow_dump_destroy(flow_dump); | |
774 | ||
775 | if (error) { | |
776 | dpctl_error(dpctl_p, error, "Failed to dump flows from datapath"); | |
777 | } | |
778 | ds_destroy(&ds); | |
779 | ||
780 | out_dpifclose: | |
781 | odp_portno_names_destroy(&portno_names); | |
782 | simap_destroy(&names_portno); | |
783 | hmap_destroy(&portno_names); | |
784 | dpif_close(dpif); | |
785 | out_freefilter: | |
786 | free(filter); | |
787 | return error; | |
788 | } | |
789 | ||
790 | static int | |
791 | dpctl_put_flow(int argc, const char *argv[], enum dpif_flow_put_flags flags, | |
792 | struct dpctl_params *dpctl_p) | |
793 | { | |
794 | const char *key_s = argv[argc - 2]; | |
795 | const char *actions_s = argv[argc - 1]; | |
796 | struct dpif_flow_stats stats; | |
797 | struct dpif_port dpif_port; | |
798 | struct dpif_port_dump port_dump; | |
799 | struct ofpbuf actions; | |
800 | struct ofpbuf key; | |
801 | struct ofpbuf mask; | |
802 | struct dpif *dpif; | |
803 | char *dp_name; | |
804 | struct simap port_names; | |
805 | int error; | |
806 | ||
807 | dp_name = argc == 4 ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
808 | if (!dp_name) { | |
809 | return EINVAL; | |
810 | } | |
811 | error = parsed_dpif_open(dp_name, false, &dpif); | |
812 | free(dp_name); | |
813 | if (error) { | |
814 | dpctl_error(dpctl_p, error, "opening datapath"); | |
815 | return error; | |
816 | } | |
817 | ||
818 | ||
819 | simap_init(&port_names); | |
820 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { | |
821 | simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no)); | |
822 | } | |
823 | ||
824 | ofpbuf_init(&key, 0); | |
825 | ofpbuf_init(&mask, 0); | |
826 | error = odp_flow_from_string(key_s, &port_names, &key, &mask); | |
827 | simap_destroy(&port_names); | |
828 | if (error) { | |
829 | dpctl_error(dpctl_p, error, "parsing flow key"); | |
830 | goto out_freekeymask; | |
831 | } | |
832 | ||
833 | ofpbuf_init(&actions, 0); | |
834 | error = odp_actions_from_string(actions_s, NULL, &actions); | |
835 | if (error) { | |
836 | dpctl_error(dpctl_p, error, "parsing actions"); | |
837 | goto out_freeactions; | |
838 | } | |
839 | error = dpif_flow_put(dpif, flags, | |
840 | ofpbuf_data(&key), ofpbuf_size(&key), | |
841 | ofpbuf_size(&mask) == 0 ? NULL : ofpbuf_data(&mask), | |
842 | ofpbuf_size(&mask), | |
843 | ofpbuf_data(&actions), ofpbuf_size(&actions), | |
844 | dpctl_p->print_statistics ? &stats : NULL); | |
845 | if (error) { | |
846 | dpctl_error(dpctl_p, error, "updating flow table"); | |
847 | goto out_freeactions; | |
848 | } | |
849 | ||
850 | if (dpctl_p->print_statistics) { | |
851 | struct ds s; | |
852 | ||
853 | ds_init(&s); | |
854 | dpif_flow_stats_format(&stats, &s); | |
855 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
856 | ds_destroy(&s); | |
857 | } | |
858 | ||
859 | out_freeactions: | |
860 | ofpbuf_uninit(&actions); | |
861 | out_freekeymask: | |
862 | ofpbuf_uninit(&mask); | |
863 | ofpbuf_uninit(&key); | |
864 | dpif_close(dpif); | |
865 | return error; | |
866 | } | |
867 | ||
868 | static int | |
869 | dpctl_add_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
870 | { | |
871 | return dpctl_put_flow(argc, argv, DPIF_FP_CREATE, dpctl_p); | |
872 | } | |
873 | ||
874 | static int | |
875 | dpctl_mod_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
876 | { | |
877 | enum dpif_flow_put_flags flags; | |
878 | ||
879 | flags = DPIF_FP_MODIFY; | |
880 | if (dpctl_p->may_create) { | |
881 | flags |= DPIF_FP_CREATE; | |
882 | } | |
883 | if (dpctl_p->zero_statistics) { | |
884 | flags |= DPIF_FP_ZERO_STATS; | |
885 | } | |
886 | ||
887 | return dpctl_put_flow(argc, argv, flags, dpctl_p); | |
888 | } | |
889 | ||
890 | static int | |
891 | dpctl_del_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
892 | { | |
893 | const char *key_s = argv[argc - 1]; | |
894 | struct dpif_flow_stats stats; | |
895 | struct dpif_port dpif_port; | |
896 | struct dpif_port_dump port_dump; | |
897 | struct ofpbuf key; | |
898 | struct ofpbuf mask; /* To be ignored. */ | |
899 | struct dpif *dpif; | |
900 | char *dp_name; | |
901 | struct simap port_names; | |
902 | int error; | |
903 | ||
904 | dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
905 | if (!dp_name) { | |
906 | return EINVAL; | |
907 | } | |
908 | error = parsed_dpif_open(dp_name, false, &dpif); | |
909 | free(dp_name); | |
910 | if (error) { | |
911 | dpctl_error(dpctl_p, error, "opening datapath"); | |
912 | return error; | |
913 | } | |
914 | ||
915 | simap_init(&port_names); | |
916 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { | |
917 | simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no)); | |
918 | } | |
919 | ||
920 | ofpbuf_init(&key, 0); | |
921 | ofpbuf_init(&mask, 0); | |
922 | ||
923 | error = odp_flow_from_string(key_s, &port_names, &key, &mask); | |
924 | if (error) { | |
925 | dpctl_error(dpctl_p, error, "parsing flow key"); | |
926 | goto out; | |
927 | } | |
928 | ||
929 | error = dpif_flow_del(dpif, | |
930 | ofpbuf_data(&key), ofpbuf_size(&key), | |
931 | dpctl_p->print_statistics ? &stats : NULL); | |
932 | if (error) { | |
933 | dpctl_error(dpctl_p, error, "deleting flow"); | |
934 | goto out; | |
935 | } | |
936 | ||
937 | if (dpctl_p->print_statistics) { | |
938 | struct ds s; | |
939 | ||
940 | ds_init(&s); | |
941 | dpif_flow_stats_format(&stats, &s); | |
942 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
943 | ds_destroy(&s); | |
944 | } | |
945 | ||
946 | out: | |
947 | ofpbuf_uninit(&mask); | |
948 | ofpbuf_uninit(&key); | |
949 | simap_destroy(&port_names); | |
950 | dpif_close(dpif); | |
951 | return error; | |
952 | } | |
953 | ||
954 | static int | |
955 | dpctl_del_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
956 | { | |
957 | struct dpif *dpif; | |
958 | char *name; | |
959 | int error; | |
960 | ||
961 | name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
962 | if (!name) { | |
963 | return EINVAL; | |
964 | } | |
965 | error = parsed_dpif_open(name, false, &dpif); | |
966 | free(name); | |
967 | if (error) { | |
968 | dpctl_error(dpctl_p, error, "opening datapath"); | |
969 | return error; | |
970 | } | |
971 | ||
972 | error = dpif_flow_flush(dpif); | |
973 | if (error) { | |
974 | dpctl_error(dpctl_p, error, "deleting all flows"); | |
975 | } | |
976 | dpif_close(dpif); | |
977 | return error; | |
978 | } | |
979 | ||
980 | static int | |
981 | dpctl_help(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED, | |
982 | struct dpctl_params *dpctl_p) | |
983 | { | |
984 | if (dpctl_p->usage) { | |
985 | dpctl_p->usage(dpctl_p->aux); | |
986 | } | |
987 | return 0; | |
988 | } | |
989 | \f | |
990 | /* Undocumented commands for unit testing. */ | |
991 | ||
992 | static int | |
993 | dpctl_parse_actions(int argc, const char *argv[], struct dpctl_params* dpctl_p) | |
994 | { | |
995 | int i, error = 0; | |
996 | ||
997 | for (i = 1; i < argc; i++) { | |
998 | struct ofpbuf actions; | |
999 | struct ds s; | |
1000 | ||
1001 | ofpbuf_init(&actions, 0); | |
1002 | error = odp_actions_from_string(argv[i], NULL, &actions); | |
1003 | ||
1004 | if (error) { | |
1005 | ofpbuf_uninit(&actions); | |
1006 | dpctl_error(dpctl_p, error, "odp_actions_from_string"); | |
1007 | return error; | |
1008 | } | |
1009 | ||
1010 | ds_init(&s); | |
1011 | format_odp_actions(&s, ofpbuf_data(&actions), ofpbuf_size(&actions)); | |
1012 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
1013 | ds_destroy(&s); | |
1014 | ||
1015 | ofpbuf_uninit(&actions); | |
1016 | } | |
1017 | ||
1018 | return error; | |
1019 | } | |
1020 | ||
1021 | struct actions_for_flow { | |
1022 | struct hmap_node hmap_node; | |
1023 | struct flow flow; | |
1024 | struct ofpbuf actions; | |
1025 | }; | |
1026 | ||
1027 | static struct actions_for_flow * | |
1028 | get_actions_for_flow(struct hmap *actions_per_flow, const struct flow *flow) | |
1029 | { | |
1030 | uint32_t hash = flow_hash(flow, 0); | |
1031 | struct actions_for_flow *af; | |
1032 | ||
1033 | HMAP_FOR_EACH_WITH_HASH (af, hmap_node, hash, actions_per_flow) { | |
1034 | if (flow_equal(&af->flow, flow)) { | |
1035 | return af; | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | af = xmalloc(sizeof *af); | |
1040 | af->flow = *flow; | |
1041 | ofpbuf_init(&af->actions, 0); | |
1042 | hmap_insert(actions_per_flow, &af->hmap_node, hash); | |
1043 | return af; | |
1044 | } | |
1045 | ||
1046 | static int | |
1047 | compare_actions_for_flow(const void *a_, const void *b_) | |
1048 | { | |
1049 | struct actions_for_flow *const *a = a_; | |
1050 | struct actions_for_flow *const *b = b_; | |
1051 | ||
1052 | return flow_compare_3way(&(*a)->flow, &(*b)->flow); | |
1053 | } | |
1054 | ||
1055 | static int | |
1056 | compare_output_actions(const void *a_, const void *b_) | |
1057 | { | |
1058 | const struct nlattr *a = a_; | |
1059 | const struct nlattr *b = b_; | |
1060 | uint32_t a_port = nl_attr_get_u32(a); | |
1061 | uint32_t b_port = nl_attr_get_u32(b); | |
1062 | ||
1063 | return a_port < b_port ? -1 : a_port > b_port; | |
1064 | } | |
1065 | ||
1066 | static void | |
1067 | sort_output_actions__(struct nlattr *first, struct nlattr *end) | |
1068 | { | |
1069 | size_t bytes = (uint8_t *) end - (uint8_t *) first; | |
1070 | size_t n = bytes / NL_A_U32_SIZE; | |
1071 | ||
1072 | ovs_assert(bytes % NL_A_U32_SIZE == 0); | |
1073 | qsort(first, n, NL_A_U32_SIZE, compare_output_actions); | |
1074 | } | |
1075 | ||
1076 | static void | |
1077 | sort_output_actions(struct nlattr *actions, size_t length) | |
1078 | { | |
1079 | struct nlattr *first_output = NULL; | |
1080 | struct nlattr *a; | |
1081 | int left; | |
1082 | ||
1083 | NL_ATTR_FOR_EACH (a, left, actions, length) { | |
1084 | if (nl_attr_type(a) == OVS_ACTION_ATTR_OUTPUT) { | |
1085 | if (!first_output) { | |
1086 | first_output = a; | |
1087 | } | |
1088 | } else { | |
1089 | if (first_output) { | |
1090 | sort_output_actions__(first_output, a); | |
1091 | first_output = NULL; | |
1092 | } | |
1093 | } | |
1094 | } | |
1095 | if (first_output) { | |
1096 | uint8_t *end = (uint8_t *) actions + length; | |
1097 | sort_output_actions__(first_output, | |
1098 | ALIGNED_CAST(struct nlattr *, end)); | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | /* usage: "ovs-dpctl normalize-actions FLOW ACTIONS" where FLOW and ACTIONS | |
1103 | * have the syntax used by "ovs-dpctl dump-flows". | |
1104 | * | |
1105 | * This command prints ACTIONS in a format that shows what happens for each | |
1106 | * VLAN, independent of the order of the ACTIONS. For example, there is more | |
1107 | * than one way to output a packet on VLANs 9 and 11, but this command will | |
1108 | * print the same output for any form. | |
1109 | * | |
1110 | * The idea here generalizes beyond VLANs (e.g. to setting other fields) but | |
1111 | * so far the implementation only covers VLANs. */ | |
1112 | static int | |
1113 | dpctl_normalize_actions(int argc, const char *argv[], | |
1114 | struct dpctl_params *dpctl_p) | |
1115 | { | |
1116 | struct simap port_names; | |
1117 | struct ofpbuf keybuf; | |
1118 | struct flow flow; | |
1119 | struct ofpbuf odp_actions; | |
1120 | struct hmap actions_per_flow; | |
1121 | struct actions_for_flow **afs; | |
1122 | struct actions_for_flow *af; | |
1123 | struct nlattr *a; | |
1124 | size_t n_afs; | |
1125 | struct ds s; | |
1126 | int left; | |
1127 | int i, error; | |
1128 | ||
1129 | ds_init(&s); | |
1130 | ||
1131 | simap_init(&port_names); | |
1132 | for (i = 3; i < argc; i++) { | |
1133 | char name[16]; | |
1134 | int number; | |
1135 | ||
1136 | if (ovs_scan(argv[i], "%15[^=]=%d", name, &number)) { | |
1137 | uintptr_t n = number; | |
1138 | simap_put(&port_names, name, n); | |
1139 | } else { | |
1140 | dpctl_error(dpctl_p, 0, "%s: expected NAME=NUMBER", argv[i]); | |
1141 | error = EINVAL; | |
1142 | goto out; | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | /* Parse flow key. */ | |
1147 | ofpbuf_init(&keybuf, 0); | |
1148 | error = odp_flow_from_string(argv[1], &port_names, &keybuf, NULL); | |
1149 | if (error) { | |
1150 | dpctl_error(dpctl_p, error, "odp_flow_key_from_string"); | |
1151 | goto out_freekeybuf; | |
1152 | } | |
1153 | ||
1154 | ds_clear(&s); | |
1155 | odp_flow_format(ofpbuf_data(&keybuf), ofpbuf_size(&keybuf), NULL, 0, NULL, | |
1156 | &s, dpctl_p->verbosity); | |
1157 | dpctl_print(dpctl_p, "input flow: %s\n", ds_cstr(&s)); | |
1158 | ||
1159 | error = odp_flow_key_to_flow(ofpbuf_data(&keybuf), ofpbuf_size(&keybuf), | |
1160 | &flow); | |
1161 | if (error) { | |
1162 | dpctl_error(dpctl_p, error, "odp_flow_key_to_flow"); | |
1163 | goto out_freekeybuf; | |
1164 | } | |
1165 | ||
1166 | /* Parse actions. */ | |
1167 | ofpbuf_init(&odp_actions, 0); | |
1168 | error = odp_actions_from_string(argv[2], &port_names, &odp_actions); | |
1169 | if (error) { | |
1170 | dpctl_error(dpctl_p, error, "odp_actions_from_string"); | |
1171 | goto out_freeactions; | |
1172 | } | |
1173 | ||
1174 | if (dpctl_p->verbosity) { | |
1175 | ds_clear(&s); | |
1176 | format_odp_actions(&s, ofpbuf_data(&odp_actions), | |
1177 | ofpbuf_size(&odp_actions)); | |
1178 | dpctl_print(dpctl_p, "input actions: %s\n", ds_cstr(&s)); | |
1179 | } | |
1180 | ||
1181 | hmap_init(&actions_per_flow); | |
1182 | NL_ATTR_FOR_EACH (a, left, ofpbuf_data(&odp_actions), | |
1183 | ofpbuf_size(&odp_actions)) { | |
1184 | const struct ovs_action_push_vlan *push; | |
1185 | switch(nl_attr_type(a)) { | |
1186 | case OVS_ACTION_ATTR_POP_VLAN: | |
1187 | flow.vlan_tci = htons(0); | |
1188 | continue; | |
1189 | ||
1190 | case OVS_ACTION_ATTR_PUSH_VLAN: | |
1191 | push = nl_attr_get_unspec(a, sizeof *push); | |
1192 | flow.vlan_tci = push->vlan_tci; | |
1193 | continue; | |
1194 | } | |
1195 | ||
1196 | af = get_actions_for_flow(&actions_per_flow, &flow); | |
1197 | nl_msg_put_unspec(&af->actions, nl_attr_type(a), | |
1198 | nl_attr_get(a), nl_attr_get_size(a)); | |
1199 | } | |
1200 | ||
1201 | n_afs = hmap_count(&actions_per_flow); | |
1202 | afs = xmalloc(n_afs * sizeof *afs); | |
1203 | i = 0; | |
1204 | HMAP_FOR_EACH (af, hmap_node, &actions_per_flow) { | |
1205 | afs[i++] = af; | |
1206 | } | |
1207 | ||
1208 | ovs_assert(i == n_afs); | |
1209 | hmap_destroy(&actions_per_flow); | |
1210 | ||
1211 | qsort(afs, n_afs, sizeof *afs, compare_actions_for_flow); | |
1212 | ||
1213 | for (i = 0; i < n_afs; i++) { | |
1214 | struct actions_for_flow *af = afs[i]; | |
1215 | ||
1216 | sort_output_actions(ofpbuf_data(&af->actions), | |
1217 | ofpbuf_size(&af->actions)); | |
1218 | ||
1219 | if (af->flow.vlan_tci != htons(0)) { | |
1220 | dpctl_print(dpctl_p, "vlan(vid=%"PRIu16",pcp=%d): ", | |
1221 | vlan_tci_to_vid(af->flow.vlan_tci), | |
1222 | vlan_tci_to_pcp(af->flow.vlan_tci)); | |
1223 | } else { | |
1224 | dpctl_print(dpctl_p, "no vlan: "); | |
1225 | } | |
1226 | ||
1227 | if (eth_type_mpls(af->flow.dl_type)) { | |
1228 | dpctl_print(dpctl_p, "mpls(label=%"PRIu32",tc=%d,ttl=%d): ", | |
1229 | mpls_lse_to_label(af->flow.mpls_lse[0]), | |
1230 | mpls_lse_to_tc(af->flow.mpls_lse[0]), | |
1231 | mpls_lse_to_ttl(af->flow.mpls_lse[0])); | |
1232 | } else { | |
1233 | dpctl_print(dpctl_p, "no mpls: "); | |
1234 | } | |
1235 | ||
1236 | ds_clear(&s); | |
1237 | format_odp_actions(&s, ofpbuf_data(&af->actions), | |
1238 | ofpbuf_size(&af->actions)); | |
1239 | dpctl_print(dpctl_p, ds_cstr(&s)); | |
1240 | ||
1241 | ofpbuf_uninit(&af->actions); | |
1242 | free(af); | |
1243 | } | |
1244 | free(afs); | |
1245 | ||
1246 | ||
1247 | out_freeactions: | |
1248 | ofpbuf_uninit(&odp_actions); | |
1249 | out_freekeybuf: | |
1250 | ofpbuf_uninit(&keybuf); | |
1251 | out: | |
1252 | simap_destroy(&port_names); | |
1253 | ds_destroy(&s); | |
1254 | ||
1255 | return error; | |
1256 | } | |
1257 | \f | |
1258 | typedef int dpctl_command_handler(int argc, const char *argv[], | |
1259 | struct dpctl_params *); | |
1260 | struct dpctl_command { | |
1261 | const char *name; | |
1262 | int min_args; | |
1263 | int max_args; | |
1264 | dpctl_command_handler *handler; | |
1265 | }; | |
1266 | ||
1267 | static const struct dpctl_command all_commands[] = { | |
1268 | { "add-dp", 1, INT_MAX, dpctl_add_dp }, | |
1269 | { "del-dp", 1, 1, dpctl_del_dp }, | |
1270 | { "add-if", 2, INT_MAX, dpctl_add_if }, | |
1271 | { "del-if", 2, INT_MAX, dpctl_del_if }, | |
1272 | { "set-if", 2, INT_MAX, dpctl_set_if }, | |
1273 | { "dump-dps", 0, 0, dpctl_dump_dps }, | |
1274 | { "show", 0, INT_MAX, dpctl_show }, | |
1275 | { "dump-flows", 0, 2, dpctl_dump_flows }, | |
1276 | { "add-flow", 2, 3, dpctl_add_flow }, | |
1277 | { "mod-flow", 2, 3, dpctl_mod_flow }, | |
1278 | { "del-flow", 1, 2, dpctl_del_flow }, | |
1279 | { "del-flows", 0, 1, dpctl_del_flows }, | |
1280 | { "help", 0, INT_MAX, dpctl_help }, | |
1281 | ||
1282 | /* Undocumented commands for testing. */ | |
1283 | { "parse-actions", 1, INT_MAX, dpctl_parse_actions }, | |
1284 | { "normalize-actions", 2, INT_MAX, dpctl_normalize_actions }, | |
1285 | ||
1286 | { NULL, 0, 0, NULL }, | |
1287 | }; | |
1288 | ||
1289 | /* Runs the command designated by argv[0] within the command table specified by | |
1290 | * 'commands', which must be terminated by a command whose 'name' member is a | |
1291 | * null pointer. */ | |
1292 | int | |
1293 | dpctl_run_command(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1294 | { | |
1295 | const struct dpctl_command *p; | |
1296 | ||
1297 | if (argc < 1) { | |
1298 | dpctl_error(dpctl_p, 0, "missing command name; use --help for help"); | |
1299 | return EINVAL; | |
1300 | } | |
1301 | ||
1302 | for (p = all_commands; p->name != NULL; p++) { | |
1303 | if (!strcmp(p->name, argv[0])) { | |
1304 | int n_arg = argc - 1; | |
1305 | if (n_arg < p->min_args) { | |
1306 | dpctl_error(dpctl_p, 0, | |
1307 | "'%s' command requires at least %d arguments", | |
1308 | p->name, p->min_args); | |
1309 | return EINVAL; | |
1310 | } else if (n_arg > p->max_args) { | |
1311 | dpctl_error(dpctl_p, 0, | |
1312 | "'%s' command takes at most %d arguments", | |
1313 | p->name, p->max_args); | |
1314 | return EINVAL; | |
1315 | } else { | |
1316 | return p->handler(argc, argv, dpctl_p); | |
1317 | } | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | dpctl_error(dpctl_p, 0, "unknown command '%s'; use --help for help", | |
1322 | argv[0]); | |
1323 | return EINVAL; | |
1324 | } | |
1325 | \f | |
1326 | static void | |
1327 | dpctl_unixctl_print(void *userdata, bool error OVS_UNUSED, const char *msg) | |
1328 | { | |
1329 | struct ds *ds = userdata; | |
1330 | ds_put_cstr(ds, msg); | |
1331 | } | |
1332 | ||
1333 | static void | |
1334 | dpctl_unixctl_handler(struct unixctl_conn *conn, int argc, const char *argv[], | |
1335 | void *aux) | |
1336 | { | |
1337 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1338 | struct dpctl_params dpctl_p; | |
1339 | bool opt_parse_err = false; | |
1340 | ||
1341 | dpctl_command_handler *handler = (dpctl_command_handler *) aux; | |
1342 | ||
1343 | dpctl_p.print_statistics = false; | |
1344 | dpctl_p.zero_statistics = false; | |
1345 | dpctl_p.may_create = false; | |
1346 | dpctl_p.verbosity = 0; | |
1347 | ||
1348 | /* Parse options (like getopt). Unfortunately it does | |
1349 | * not seem a good idea to call getopt_long() here, since it uses global | |
1350 | * variables */ | |
1351 | while (argc > 1 && !opt_parse_err) { | |
1352 | const char *arg = argv[1]; | |
1353 | if (!strncmp(arg, "--", 2)) { | |
1354 | /* Long option */ | |
1355 | if (!strcmp(arg, "--statistics")) { | |
1356 | dpctl_p.print_statistics = true; | |
1357 | } else if (!strcmp(arg, "--clear")) { | |
1358 | dpctl_p.zero_statistics = true; | |
1359 | } else if (!strcmp(arg, "--may-create")) { | |
1360 | dpctl_p.may_create = true; | |
1361 | } else if (!strcmp(arg, "--more")) { | |
1362 | dpctl_p.verbosity++; | |
1363 | } else { | |
1364 | ds_put_format(&ds, "Unrecognized option %s", argv[1]); | |
1365 | opt_parse_err = true; | |
1366 | } | |
1367 | } else if (arg[0] == '-' && arg[1] != '\0') { | |
1368 | /* Short option[s] */ | |
1369 | const char *opt = &arg[1]; | |
1370 | ||
1371 | while (*opt && !opt_parse_err) { | |
1372 | switch (*opt) { | |
1373 | case 'm': | |
1374 | dpctl_p.verbosity++; | |
1375 | break; | |
1376 | case 's': | |
1377 | dpctl_p.print_statistics = true; | |
1378 | break; | |
1379 | default: | |
1380 | ds_put_format(&ds, "Unrecognized option -%c", *opt); | |
1381 | opt_parse_err = true; | |
1382 | break; | |
1383 | } | |
1384 | opt++; | |
1385 | } | |
1386 | } else { | |
1387 | /* Doesn't start with -, not an option */ | |
1388 | break; | |
1389 | } | |
1390 | ||
1391 | if (opt_parse_err) { | |
1392 | break; | |
1393 | } | |
1394 | argv++; | |
1395 | argc--; | |
1396 | } | |
1397 | ||
1398 | if (!opt_parse_err) { | |
1399 | dpctl_p.usage = NULL; | |
1400 | dpctl_p.output = dpctl_unixctl_print; | |
1401 | dpctl_p.aux = &ds; | |
1402 | ||
1403 | handler(argc, argv, &dpctl_p); | |
1404 | } | |
1405 | ||
1406 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
1407 | ||
1408 | ds_destroy(&ds); | |
1409 | } | |
1410 | ||
1411 | void | |
1412 | dpctl_unixctl_register(void) | |
1413 | { | |
1414 | const struct dpctl_command *p; | |
1415 | ||
1416 | for (p = all_commands; p->name != NULL; p++) { | |
1417 | char *cmd_name = xasprintf("dpctl/%s", p->name); | |
1418 | unixctl_command_register(cmd_name, "", p->min_args, p->max_args, | |
1419 | dpctl_unixctl_handler, p->handler); | |
1420 | free(cmd_name); | |
1421 | } | |
1422 | } |