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fceef209 | 1 | /* |
a129fe8c | 2 | * Copyright (c) 2008-2017 Nicira, Inc. |
fceef209 DDP |
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" | |
dffae65f | 31 | #include "ct-dpif.h" |
fceef209 DDP |
32 | #include "dirs.h" |
33 | #include "dpctl.h" | |
34 | #include "dpif.h" | |
3e8a2ad1 | 35 | #include "openvswitch/dynamic-string.h" |
fceef209 | 36 | #include "flow.h" |
e29747e4 | 37 | #include "openvswitch/match.h" |
fceef209 | 38 | #include "netdev.h" |
abb5943d | 39 | #include "netdev-dpdk.h" |
fceef209 DDP |
40 | #include "netlink.h" |
41 | #include "odp-util.h" | |
64c96779 | 42 | #include "openvswitch/ofpbuf.h" |
fceef209 | 43 | #include "packets.h" |
ee89ea7b | 44 | #include "openvswitch/shash.h" |
fceef209 DDP |
45 | #include "simap.h" |
46 | #include "smap.h" | |
47 | #include "sset.h" | |
48 | #include "timeval.h" | |
49 | #include "unixctl.h" | |
50 | #include "util.h" | |
7888d2a6 | 51 | #include "openvswitch/ofp-parse.h" |
d1fd1ea9 BP |
52 | #include "openvswitch/vlog.h" |
53 | VLOG_DEFINE_THIS_MODULE(dpctl); | |
fceef209 | 54 | |
56cad666 AW |
55 | typedef int dpctl_command_handler(int argc, const char *argv[], |
56 | struct dpctl_params *); | |
57 | struct dpctl_command { | |
58 | const char *name; | |
59 | const char *usage; | |
60 | int min_args; | |
61 | int max_args; | |
62 | dpctl_command_handler *handler; | |
1f4a7252 | 63 | enum { DP_RO, DP_RW} mode; |
56cad666 AW |
64 | }; |
65 | static const struct dpctl_command *get_all_dpctl_commands(void); | |
7521b9e5 DDP |
66 | static void dpctl_print(struct dpctl_params *dpctl_p, const char *fmt, ...) |
67 | OVS_PRINTF_FORMAT(2, 3); | |
68 | static void dpctl_error(struct dpctl_params* dpctl_p, int err_no, | |
69 | const char *fmt, ...) | |
70 | OVS_PRINTF_FORMAT(3, 4); | |
56cad666 | 71 | |
fceef209 DDP |
72 | static void |
73 | dpctl_puts(struct dpctl_params *dpctl_p, bool error, const char *string) | |
74 | { | |
75 | dpctl_p->output(dpctl_p->aux, error, string); | |
76 | } | |
77 | ||
78 | static void | |
79 | dpctl_print(struct dpctl_params *dpctl_p, const char *fmt, ...) | |
80 | { | |
81 | char *string; | |
82 | va_list args; | |
83 | ||
84 | va_start(args, fmt); | |
85 | string = xvasprintf(fmt, args); | |
86 | va_end(args); | |
87 | ||
88 | dpctl_puts(dpctl_p, false, string); | |
89 | free(string); | |
90 | } | |
91 | ||
92 | static void | |
93 | dpctl_error(struct dpctl_params* dpctl_p, int err_no, const char *fmt, ...) | |
94 | { | |
95 | const char *subprogram_name = get_subprogram_name(); | |
96 | struct ds ds = DS_EMPTY_INITIALIZER; | |
97 | int save_errno = errno; | |
98 | va_list args; | |
99 | ||
100 | ||
101 | if (subprogram_name[0]) { | |
102 | ds_put_format(&ds, "%s(%s): ", program_name,subprogram_name); | |
103 | } else { | |
104 | ds_put_format(&ds, "%s: ", program_name); | |
105 | } | |
106 | ||
107 | va_start(args, fmt); | |
108 | ds_put_format_valist(&ds, fmt, args); | |
109 | va_end(args); | |
110 | ||
111 | if (err_no != 0) { | |
112 | ds_put_format(&ds, " (%s)", ovs_retval_to_string(err_no)); | |
113 | } | |
114 | ds_put_cstr(&ds, "\n"); | |
115 | ||
116 | dpctl_puts(dpctl_p, true, ds_cstr(&ds)); | |
117 | ||
118 | ds_destroy(&ds); | |
119 | ||
120 | errno = save_errno; | |
121 | } | |
122 | \f | |
123 | static int dpctl_add_if(int argc, const char *argv[], struct dpctl_params *); | |
124 | ||
125 | static int | |
126 | if_up(struct netdev *netdev) | |
127 | { | |
128 | return netdev_turn_flags_on(netdev, NETDEV_UP, NULL); | |
129 | } | |
130 | ||
131 | /* Retrieve the name of the datapath if exactly one exists. The caller | |
132 | * is responsible for freeing the returned string. If there is not one | |
133 | * datapath, aborts with an error message. */ | |
134 | static char * | |
135 | get_one_dp(struct dpctl_params *dpctl_p) | |
136 | { | |
137 | struct sset types; | |
138 | const char *type; | |
139 | char *dp_name = NULL; | |
140 | size_t count = 0; | |
141 | ||
142 | sset_init(&types); | |
143 | dp_enumerate_types(&types); | |
144 | SSET_FOR_EACH (type, &types) { | |
145 | struct sset names; | |
146 | ||
147 | sset_init(&names); | |
148 | if (!dp_enumerate_names(type, &names)) { | |
149 | count += sset_count(&names); | |
150 | if (!dp_name && count == 1) { | |
151 | dp_name = xasprintf("%s@%s", type, SSET_FIRST(&names)); | |
152 | } | |
153 | } | |
154 | sset_destroy(&names); | |
155 | } | |
156 | sset_destroy(&types); | |
157 | ||
158 | if (!count) { | |
159 | dpctl_error(dpctl_p, 0, "no datapaths exist"); | |
160 | } else if (count > 1) { | |
161 | dpctl_error(dpctl_p, 0, "multiple datapaths, specify one"); | |
162 | free(dp_name); | |
163 | dp_name = NULL; | |
164 | } | |
165 | ||
166 | return dp_name; | |
167 | } | |
168 | ||
169 | static int | |
170 | parsed_dpif_open(const char *arg_, bool create, struct dpif **dpifp) | |
171 | { | |
172 | int result; | |
173 | char *name, *type; | |
174 | ||
175 | dp_parse_name(arg_, &name, &type); | |
176 | ||
177 | if (create) { | |
178 | result = dpif_create(name, type, dpifp); | |
179 | } else { | |
180 | result = dpif_open(name, type, dpifp); | |
181 | } | |
182 | ||
183 | free(name); | |
184 | free(type); | |
185 | return result; | |
186 | } | |
187 | ||
188 | static int | |
189 | dpctl_add_dp(int argc, const char *argv[], | |
190 | struct dpctl_params *dpctl_p) | |
191 | { | |
192 | struct dpif *dpif; | |
193 | int error; | |
194 | ||
195 | error = parsed_dpif_open(argv[1], true, &dpif); | |
196 | if (error) { | |
197 | dpctl_error(dpctl_p, error, "add_dp"); | |
198 | return error; | |
199 | } | |
200 | dpif_close(dpif); | |
201 | if (argc > 2) { | |
202 | error = dpctl_add_if(argc, argv, dpctl_p); | |
203 | } | |
204 | return error; | |
205 | } | |
206 | ||
207 | static int | |
208 | dpctl_del_dp(int argc OVS_UNUSED, const char *argv[], | |
209 | struct dpctl_params *dpctl_p) | |
210 | { | |
211 | struct dpif *dpif; | |
212 | int error; | |
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 | error = dpif_delete(dpif); | |
220 | if (error) { | |
221 | dpctl_error(dpctl_p, error, "del_dp"); | |
222 | } | |
223 | ||
224 | dpif_close(dpif); | |
225 | return error; | |
226 | } | |
227 | ||
228 | static int | |
229 | dpctl_add_if(int argc OVS_UNUSED, const char *argv[], | |
230 | struct dpctl_params *dpctl_p) | |
231 | { | |
232 | struct dpif *dpif; | |
233 | int i, error, lasterror = 0; | |
234 | ||
235 | error = parsed_dpif_open(argv[1], false, &dpif); | |
236 | if (error) { | |
237 | dpctl_error(dpctl_p, error, "opening datapath"); | |
238 | return error; | |
239 | } | |
240 | for (i = 2; i < argc; i++) { | |
241 | const char *name, *type; | |
242 | char *save_ptr = NULL, *argcopy; | |
243 | struct netdev *netdev = NULL; | |
244 | struct smap args; | |
245 | odp_port_t port_no = ODPP_NONE; | |
246 | char *option; | |
247 | ||
248 | argcopy = xstrdup(argv[i]); | |
249 | name = strtok_r(argcopy, ",", &save_ptr); | |
250 | type = "system"; | |
251 | ||
252 | if (!name) { | |
253 | dpctl_error(dpctl_p, 0, "%s is not a valid network device name", | |
254 | argv[i]); | |
255 | error = EINVAL; | |
256 | goto next; | |
257 | } | |
258 | ||
259 | smap_init(&args); | |
260 | while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) { | |
261 | char *save_ptr_2 = NULL; | |
262 | char *key, *value; | |
263 | ||
264 | key = strtok_r(option, "=", &save_ptr_2); | |
265 | value = strtok_r(NULL, "", &save_ptr_2); | |
266 | if (!value) { | |
267 | value = ""; | |
268 | } | |
269 | ||
270 | if (!strcmp(key, "type")) { | |
271 | type = value; | |
272 | } else if (!strcmp(key, "port_no")) { | |
273 | port_no = u32_to_odp(atoi(value)); | |
274 | } else if (!smap_add_once(&args, key, value)) { | |
275 | dpctl_error(dpctl_p, 0, "duplicate \"%s\" option", key); | |
276 | } | |
277 | } | |
278 | ||
279 | error = netdev_open(name, type, &netdev); | |
280 | if (error) { | |
281 | dpctl_error(dpctl_p, error, "%s: failed to open network device", | |
282 | name); | |
283 | goto next_destroy_args; | |
284 | } | |
285 | ||
286 | error = netdev_set_config(netdev, &args, NULL); | |
287 | if (error) { | |
288 | goto next_destroy_args; | |
289 | } | |
290 | ||
291 | error = dpif_port_add(dpif, netdev, &port_no); | |
292 | if (error) { | |
293 | dpctl_error(dpctl_p, error, "adding %s to %s failed", name, | |
294 | argv[1]); | |
295 | goto next_destroy_args; | |
296 | } | |
297 | ||
298 | error = if_up(netdev); | |
299 | if (error) { | |
300 | dpctl_error(dpctl_p, error, "%s: failed bringing interface up", | |
301 | name); | |
302 | } | |
303 | ||
304 | next_destroy_args: | |
305 | netdev_close(netdev); | |
306 | smap_destroy(&args); | |
307 | next: | |
308 | free(argcopy); | |
309 | if (error) { | |
310 | lasterror = error; | |
311 | } | |
312 | } | |
313 | dpif_close(dpif); | |
314 | ||
315 | return lasterror; | |
316 | } | |
317 | ||
318 | static int | |
319 | dpctl_set_if(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
320 | { | |
321 | struct dpif *dpif; | |
322 | int i, error, lasterror = 0; | |
323 | ||
324 | error = parsed_dpif_open(argv[1], false, &dpif); | |
325 | if (error) { | |
326 | dpctl_error(dpctl_p, error, "opening datapath"); | |
327 | return error; | |
328 | } | |
329 | for (i = 2; i < argc; i++) { | |
330 | struct netdev *netdev = NULL; | |
331 | struct dpif_port dpif_port; | |
332 | char *save_ptr = NULL; | |
333 | char *type = NULL; | |
334 | char *argcopy; | |
335 | const char *name; | |
336 | struct smap args; | |
337 | odp_port_t port_no; | |
338 | char *option; | |
339 | int error = 0; | |
340 | ||
341 | argcopy = xstrdup(argv[i]); | |
342 | name = strtok_r(argcopy, ",", &save_ptr); | |
343 | if (!name) { | |
344 | dpctl_error(dpctl_p, 0, "%s is not a valid network device name", | |
345 | argv[i]); | |
346 | goto next; | |
347 | } | |
348 | ||
349 | /* Get the port's type from the datapath. */ | |
350 | error = dpif_port_query_by_name(dpif, name, &dpif_port); | |
351 | if (error) { | |
352 | dpctl_error(dpctl_p, error, "%s: failed to query port in %s", name, | |
353 | argv[1]); | |
354 | goto next; | |
355 | } | |
356 | type = xstrdup(dpif_port.type); | |
357 | port_no = dpif_port.port_no; | |
358 | dpif_port_destroy(&dpif_port); | |
359 | ||
360 | /* Retrieve its existing configuration. */ | |
361 | error = netdev_open(name, type, &netdev); | |
362 | if (error) { | |
363 | dpctl_error(dpctl_p, error, "%s: failed to open network device", | |
364 | name); | |
365 | goto next; | |
366 | } | |
367 | ||
368 | smap_init(&args); | |
369 | error = netdev_get_config(netdev, &args); | |
370 | if (error) { | |
371 | dpctl_error(dpctl_p, error, "%s: failed to fetch configuration", | |
372 | name); | |
373 | goto next_destroy_args; | |
374 | } | |
375 | ||
376 | /* Parse changes to configuration. */ | |
377 | while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) { | |
378 | char *save_ptr_2 = NULL; | |
379 | char *key, *value; | |
380 | ||
381 | key = strtok_r(option, "=", &save_ptr_2); | |
382 | value = strtok_r(NULL, "", &save_ptr_2); | |
383 | if (!value) { | |
384 | value = ""; | |
385 | } | |
386 | ||
387 | if (!strcmp(key, "type")) { | |
388 | if (strcmp(value, type)) { | |
389 | dpctl_error(dpctl_p, 0, | |
390 | "%s: can't change type from %s to %s", | |
391 | name, type, value); | |
392 | error = EINVAL; | |
79ae214d | 393 | goto next_destroy_args; |
fceef209 DDP |
394 | } |
395 | } else if (!strcmp(key, "port_no")) { | |
396 | if (port_no != u32_to_odp(atoi(value))) { | |
397 | dpctl_error(dpctl_p, 0, "%s: can't change port number from" | |
398 | " %"PRIu32" to %d", name, port_no, atoi(value)); | |
399 | error = EINVAL; | |
79ae214d | 400 | goto next_destroy_args; |
fceef209 DDP |
401 | } |
402 | } else if (value[0] == '\0') { | |
403 | smap_remove(&args, key); | |
404 | } else { | |
405 | smap_replace(&args, key, value); | |
406 | } | |
407 | } | |
408 | ||
409 | /* Update configuration. */ | |
79ae214d BP |
410 | char *err_s = NULL; |
411 | error = netdev_set_config(netdev, &args, &err_s); | |
412 | if (err_s || error) { | |
7521b9e5 | 413 | dpctl_error(dpctl_p, error, "%s", |
79ae214d BP |
414 | err_s ? err_s : "Error updating configuration"); |
415 | free(err_s); | |
416 | } | |
fceef209 DDP |
417 | if (error) { |
418 | goto next_destroy_args; | |
419 | } | |
420 | ||
421 | next_destroy_args: | |
422 | smap_destroy(&args); | |
423 | next: | |
424 | netdev_close(netdev); | |
425 | free(type); | |
426 | free(argcopy); | |
427 | if (error) { | |
428 | lasterror = error; | |
429 | } | |
430 | } | |
431 | dpif_close(dpif); | |
432 | ||
433 | return lasterror; | |
434 | } | |
435 | ||
436 | static bool | |
437 | get_port_number(struct dpif *dpif, const char *name, odp_port_t *port, | |
438 | struct dpctl_params *dpctl_p) | |
439 | { | |
440 | struct dpif_port dpif_port; | |
441 | ||
442 | if (!dpif_port_query_by_name(dpif, name, &dpif_port)) { | |
443 | *port = dpif_port.port_no; | |
444 | dpif_port_destroy(&dpif_port); | |
445 | return true; | |
446 | } else { | |
447 | dpctl_error(dpctl_p, 0, "no port named %s", name); | |
448 | return false; | |
449 | } | |
450 | } | |
451 | ||
452 | static int | |
453 | dpctl_del_if(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
454 | { | |
455 | struct dpif *dpif; | |
456 | int i, error, lasterror = 0; | |
457 | ||
458 | error = parsed_dpif_open(argv[1], false, &dpif); | |
459 | if (error) { | |
460 | dpctl_error(dpctl_p, error, "opening datapath"); | |
461 | return error; | |
462 | } | |
463 | for (i = 2; i < argc; i++) { | |
464 | const char *name = argv[i]; | |
465 | odp_port_t port; | |
466 | ||
467 | if (!name[strspn(name, "0123456789")]) { | |
468 | port = u32_to_odp(atoi(name)); | |
469 | } else if (!get_port_number(dpif, name, &port, dpctl_p)) { | |
470 | lasterror = ENOENT; | |
471 | continue; | |
472 | } | |
473 | ||
474 | error = dpif_port_del(dpif, port); | |
475 | if (error) { | |
476 | dpctl_error(dpctl_p, error, "deleting port %s from %s failed", | |
477 | name, argv[1]); | |
478 | lasterror = error; | |
479 | } | |
480 | } | |
481 | dpif_close(dpif); | |
482 | return lasterror; | |
483 | } | |
484 | ||
485 | static void | |
486 | print_stat(struct dpctl_params *dpctl_p, const char *leader, uint64_t value) | |
487 | { | |
488 | dpctl_print(dpctl_p, "%s", leader); | |
489 | if (value != UINT64_MAX) { | |
490 | dpctl_print(dpctl_p, "%"PRIu64, value); | |
491 | } else { | |
492 | dpctl_print(dpctl_p, "?"); | |
493 | } | |
494 | } | |
495 | ||
496 | static void | |
497 | print_human_size(struct dpctl_params *dpctl_p, uint64_t value) | |
498 | { | |
499 | if (value == UINT64_MAX) { | |
500 | /* Nothing to do. */ | |
501 | } else if (value >= 1024ULL * 1024 * 1024 * 1024) { | |
502 | dpctl_print(dpctl_p, " (%.1f TiB)", | |
503 | value / (1024.0 * 1024 * 1024 * 1024)); | |
504 | } else if (value >= 1024ULL * 1024 * 1024) { | |
505 | dpctl_print(dpctl_p, " (%.1f GiB)", value / (1024.0 * 1024 * 1024)); | |
506 | } else if (value >= 1024ULL * 1024) { | |
507 | dpctl_print(dpctl_p, " (%.1f MiB)", value / (1024.0 * 1024)); | |
508 | } else if (value >= 1024) { | |
509 | dpctl_print(dpctl_p, " (%.1f KiB)", value / 1024.0); | |
510 | } | |
511 | } | |
512 | ||
3ff1613e JP |
513 | /* qsort comparison function. */ |
514 | static int | |
515 | compare_port_nos(const void *a_, const void *b_) | |
516 | { | |
517 | const odp_port_t *ap = a_; | |
518 | const odp_port_t *bp = b_; | |
519 | uint32_t a = odp_to_u32(*ap); | |
520 | uint32_t b = odp_to_u32(*bp); | |
521 | ||
522 | return a < b ? -1 : a > b; | |
523 | } | |
524 | ||
fceef209 DDP |
525 | static void |
526 | show_dpif(struct dpif *dpif, struct dpctl_params *dpctl_p) | |
527 | { | |
528 | struct dpif_port_dump dump; | |
529 | struct dpif_port dpif_port; | |
530 | struct dpif_dp_stats stats; | |
531 | struct netdev *netdev; | |
532 | ||
533 | dpctl_print(dpctl_p, "%s:\n", dpif_name(dpif)); | |
534 | if (!dpif_get_dp_stats(dpif, &stats)) { | |
535 | dpctl_print(dpctl_p, "\tlookups: hit:%"PRIu64" missed:%"PRIu64 | |
536 | " lost:%"PRIu64"\n\tflows: %"PRIu64"\n", | |
537 | stats.n_hit, stats.n_missed, stats.n_lost, stats.n_flows); | |
538 | if (stats.n_masks != UINT32_MAX) { | |
539 | uint64_t n_pkts = stats.n_hit + stats.n_missed; | |
540 | double avg = n_pkts ? (double) stats.n_mask_hit / n_pkts : 0.0; | |
541 | ||
542 | dpctl_print(dpctl_p, "\tmasks: hit:%"PRIu64" total:%"PRIu32 | |
543 | " hit/pkt:%.2f\n", | |
544 | stats.n_mask_hit, stats.n_masks, avg); | |
545 | } | |
546 | } | |
547 | ||
3ff1613e JP |
548 | odp_port_t *port_nos = NULL; |
549 | size_t allocated_port_nos = 0, n_port_nos = 0; | |
fceef209 | 550 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, dpif) { |
3ff1613e JP |
551 | if (n_port_nos >= allocated_port_nos) { |
552 | port_nos = x2nrealloc(port_nos, &allocated_port_nos, | |
553 | sizeof *port_nos); | |
554 | } | |
555 | ||
556 | port_nos[n_port_nos] = dpif_port.port_no; | |
557 | n_port_nos++; | |
558 | } | |
559 | ||
f77ceea3 BB |
560 | if (port_nos) { |
561 | qsort(port_nos, n_port_nos, sizeof *port_nos, compare_port_nos); | |
562 | } | |
3ff1613e JP |
563 | |
564 | for (int i = 0; i < n_port_nos; i++) { | |
565 | if (dpif_port_query_by_number(dpif, port_nos[i], &dpif_port)) { | |
566 | continue; | |
567 | } | |
568 | ||
fceef209 DDP |
569 | dpctl_print(dpctl_p, "\tport %u: %s", |
570 | dpif_port.port_no, dpif_port.name); | |
571 | ||
572 | if (strcmp(dpif_port.type, "system")) { | |
573 | int error; | |
574 | ||
575 | dpctl_print(dpctl_p, " (%s", dpif_port.type); | |
576 | ||
577 | error = netdev_open(dpif_port.name, dpif_port.type, &netdev); | |
578 | if (!error) { | |
579 | struct smap config; | |
580 | ||
581 | smap_init(&config); | |
582 | error = netdev_get_config(netdev, &config); | |
583 | if (!error) { | |
270fa6da JP |
584 | const struct smap_node **nodes = smap_sort(&config); |
585 | for (size_t j = 0; j < smap_count(&config); j++) { | |
586 | const struct smap_node *node = nodes[j]; | |
587 | dpctl_print(dpctl_p, "%c %s=%s", j ? ',' : ':', | |
fceef209 DDP |
588 | node->key, node->value); |
589 | } | |
590 | free(nodes); | |
591 | } else { | |
592 | dpctl_print(dpctl_p, ", could not retrieve configuration " | |
593 | "(%s)", ovs_strerror(error)); | |
594 | } | |
595 | smap_destroy(&config); | |
596 | ||
597 | netdev_close(netdev); | |
598 | } else { | |
599 | dpctl_print(dpctl_p, ": open failed (%s)", | |
600 | ovs_strerror(error)); | |
601 | } | |
602 | dpctl_print(dpctl_p, ")"); | |
603 | } | |
604 | dpctl_print(dpctl_p, "\n"); | |
605 | ||
606 | if (dpctl_p->print_statistics) { | |
607 | struct netdev_stats s; | |
608 | int error; | |
609 | ||
610 | error = netdev_open(dpif_port.name, dpif_port.type, &netdev); | |
611 | if (error) { | |
612 | dpctl_print(dpctl_p, ", open failed (%s)", | |
613 | ovs_strerror(error)); | |
3ff1613e | 614 | dpif_port_destroy(&dpif_port); |
fceef209 DDP |
615 | continue; |
616 | } | |
617 | error = netdev_get_stats(netdev, &s); | |
618 | if (!error) { | |
619 | netdev_close(netdev); | |
620 | print_stat(dpctl_p, "\t\tRX packets:", s.rx_packets); | |
621 | print_stat(dpctl_p, " errors:", s.rx_errors); | |
622 | print_stat(dpctl_p, " dropped:", s.rx_dropped); | |
623 | print_stat(dpctl_p, " overruns:", s.rx_over_errors); | |
624 | print_stat(dpctl_p, " frame:", s.rx_frame_errors); | |
625 | dpctl_print(dpctl_p, "\n"); | |
626 | ||
627 | print_stat(dpctl_p, "\t\tTX packets:", s.tx_packets); | |
628 | print_stat(dpctl_p, " errors:", s.tx_errors); | |
629 | print_stat(dpctl_p, " dropped:", s.tx_dropped); | |
630 | print_stat(dpctl_p, " aborted:", s.tx_aborted_errors); | |
631 | print_stat(dpctl_p, " carrier:", s.tx_carrier_errors); | |
632 | dpctl_print(dpctl_p, "\n"); | |
633 | ||
634 | print_stat(dpctl_p, "\t\tcollisions:", s.collisions); | |
635 | dpctl_print(dpctl_p, "\n"); | |
636 | ||
637 | print_stat(dpctl_p, "\t\tRX bytes:", s.rx_bytes); | |
638 | print_human_size(dpctl_p, s.rx_bytes); | |
639 | print_stat(dpctl_p, " TX bytes:", s.tx_bytes); | |
640 | print_human_size(dpctl_p, s.tx_bytes); | |
641 | dpctl_print(dpctl_p, "\n"); | |
642 | } else { | |
643 | dpctl_print(dpctl_p, ", could not retrieve stats (%s)", | |
644 | ovs_strerror(error)); | |
645 | } | |
646 | } | |
3ff1613e | 647 | dpif_port_destroy(&dpif_port); |
fceef209 | 648 | } |
3ff1613e JP |
649 | |
650 | free(port_nos); | |
1f70f3f0 DDP |
651 | } |
652 | ||
653 | typedef void (*dps_for_each_cb)(struct dpif *, struct dpctl_params *); | |
654 | ||
655 | static int | |
656 | dps_for_each(struct dpctl_params *dpctl_p, dps_for_each_cb cb) | |
657 | { | |
658 | struct sset dpif_names = SSET_INITIALIZER(&dpif_names), | |
659 | dpif_types = SSET_INITIALIZER(&dpif_types); | |
88c98bf5 | 660 | int error, openerror = 0, enumerror = 0; |
1f70f3f0 | 661 | const char *type, *name; |
88c98bf5 | 662 | bool at_least_one = false; |
1f70f3f0 DDP |
663 | |
664 | dp_enumerate_types(&dpif_types); | |
665 | ||
666 | SSET_FOR_EACH (type, &dpif_types) { | |
667 | error = dp_enumerate_names(type, &dpif_names); | |
668 | if (error) { | |
88c98bf5 | 669 | enumerror = error; |
1f70f3f0 DDP |
670 | } |
671 | ||
672 | SSET_FOR_EACH (name, &dpif_names) { | |
673 | struct dpif *dpif; | |
674 | ||
88c98bf5 | 675 | at_least_one = true; |
1f70f3f0 DDP |
676 | error = dpif_open(name, type, &dpif); |
677 | if (!error) { | |
678 | cb(dpif, dpctl_p); | |
679 | dpif_close(dpif); | |
680 | } else { | |
88c98bf5 | 681 | openerror = error; |
1f70f3f0 DDP |
682 | dpctl_error(dpctl_p, error, "opening datapath %s failed", |
683 | name); | |
684 | } | |
685 | } | |
686 | } | |
687 | ||
688 | sset_destroy(&dpif_names); | |
689 | sset_destroy(&dpif_types); | |
690 | ||
88c98bf5 DDP |
691 | /* If there has been an error while opening a datapath it should be |
692 | * reported. Otherwise, we want to ignore the errors generated by | |
693 | * dp_enumerate_names() if at least one datapath has been discovered, | |
694 | * because they're not interesting for the user. This happens, for | |
695 | * example, if OVS is using a userspace datapath and the kernel module | |
696 | * is not loaded. */ | |
697 | if (openerror) { | |
698 | return openerror; | |
699 | } else { | |
700 | return at_least_one ? 0 : enumerror; | |
701 | } | |
fceef209 DDP |
702 | } |
703 | ||
704 | static int | |
705 | dpctl_show(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
706 | { | |
707 | int error, lasterror = 0; | |
708 | if (argc > 1) { | |
709 | int i; | |
710 | for (i = 1; i < argc; i++) { | |
711 | const char *name = argv[i]; | |
712 | struct dpif *dpif; | |
713 | ||
714 | error = parsed_dpif_open(name, false, &dpif); | |
715 | if (!error) { | |
716 | show_dpif(dpif, dpctl_p); | |
1f70f3f0 | 717 | dpif_close(dpif); |
fceef209 DDP |
718 | } else { |
719 | dpctl_error(dpctl_p, error, "opening datapath %s failed", | |
720 | name); | |
721 | lasterror = error; | |
722 | } | |
723 | } | |
724 | } else { | |
1f70f3f0 | 725 | lasterror = dps_for_each(dpctl_p, show_dpif); |
fceef209 | 726 | } |
1f70f3f0 | 727 | |
fceef209 DDP |
728 | return lasterror; |
729 | } | |
730 | ||
1f70f3f0 DDP |
731 | static void |
732 | dump_cb(struct dpif *dpif, struct dpctl_params *dpctl_p) | |
733 | { | |
734 | dpctl_print(dpctl_p, "%s\n", dpif_name(dpif)); | |
735 | } | |
736 | ||
fceef209 DDP |
737 | static int |
738 | dpctl_dump_dps(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED, | |
739 | struct dpctl_params *dpctl_p) | |
740 | { | |
1f70f3f0 | 741 | return dps_for_each(dpctl_p, dump_cb); |
fceef209 DDP |
742 | } |
743 | ||
818650e6 JS |
744 | static void |
745 | format_dpif_flow(struct ds *ds, const struct dpif_flow *f, struct hmap *ports, | |
4742003c | 746 | char *type, struct dpctl_params *dpctl_p) |
818650e6 | 747 | { |
fbe794aa JS |
748 | if (dpctl_p->verbosity && f->ufid_present) { |
749 | odp_format_ufid(&f->ufid, ds); | |
750 | ds_put_cstr(ds, ", "); | |
818650e6 JS |
751 | } |
752 | odp_flow_format(f->key, f->key_len, f->mask, f->mask_len, ports, ds, | |
753 | dpctl_p->verbosity); | |
754 | ds_put_cstr(ds, ", "); | |
755 | ||
756 | dpif_flow_stats_format(&f->stats, ds); | |
4742003c PB |
757 | if (dpctl_p->verbosity && !type && f->offloaded) { |
758 | ds_put_cstr(ds, ", offloaded:yes"); | |
759 | } | |
818650e6 | 760 | ds_put_cstr(ds, ", actions:"); |
0722f341 | 761 | format_odp_actions(ds, f->actions, f->actions_len, ports); |
818650e6 JS |
762 | } |
763 | ||
7e8b7199 PB |
764 | static char *supported_dump_types[] = { |
765 | "offloaded", | |
766 | "ovs", | |
767 | }; | |
768 | ||
d1fd1ea9 BP |
769 | static struct hmap * |
770 | dpctl_get_portno_names(struct dpif *dpif, const struct dpctl_params *dpctl_p) | |
771 | { | |
772 | if (dpctl_p->names) { | |
773 | struct hmap *portno_names = xmalloc(sizeof *portno_names); | |
774 | hmap_init(portno_names); | |
775 | ||
776 | struct dpif_port_dump port_dump; | |
777 | struct dpif_port dpif_port; | |
778 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { | |
779 | odp_portno_names_set(portno_names, dpif_port.port_no, | |
780 | dpif_port.name); | |
781 | } | |
782 | ||
783 | return portno_names; | |
784 | } else { | |
785 | return NULL; | |
786 | } | |
787 | } | |
788 | ||
789 | static void | |
790 | dpctl_free_portno_names(struct hmap *portno_names) | |
791 | { | |
792 | if (portno_names) { | |
793 | odp_portno_names_destroy(portno_names); | |
794 | hmap_destroy(portno_names); | |
795 | free(portno_names); | |
796 | } | |
797 | } | |
798 | ||
fceef209 DDP |
799 | static int |
800 | dpctl_dump_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
801 | { | |
802 | struct dpif *dpif; | |
803 | struct ds ds; | |
804 | char *name; | |
805 | ||
806 | char *filter = NULL; | |
7e8b7199 | 807 | char *type = NULL; |
fceef209 DDP |
808 | struct flow flow_filter; |
809 | struct flow_wildcards wc_filter; | |
810 | ||
fceef209 DDP |
811 | struct dpif_flow_dump_thread *flow_dump_thread; |
812 | struct dpif_flow_dump *flow_dump; | |
813 | struct dpif_flow f; | |
1c1e46ed | 814 | int pmd_id = PMD_ID_NULL; |
7e8b7199 | 815 | int lastargc = 0; |
fceef209 DDP |
816 | int error; |
817 | ||
7e8b7199 PB |
818 | while (argc > 1 && lastargc != argc) { |
819 | lastargc = argc; | |
820 | if (!strncmp(argv[argc - 1], "filter=", 7) && !filter) { | |
821 | filter = xstrdup(argv[--argc] + 7); | |
822 | } else if (!strncmp(argv[argc - 1], "type=", 5) && !type) { | |
823 | type = xstrdup(argv[--argc] + 5); | |
824 | } | |
fceef209 | 825 | } |
7e8b7199 PB |
826 | |
827 | name = (argc > 1) ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
fceef209 DDP |
828 | if (!name) { |
829 | error = EINVAL; | |
7e8b7199 | 830 | goto out_free; |
fceef209 DDP |
831 | } |
832 | ||
833 | error = parsed_dpif_open(name, false, &dpif); | |
834 | free(name); | |
835 | if (error) { | |
836 | dpctl_error(dpctl_p, error, "opening datapath"); | |
7e8b7199 | 837 | goto out_free; |
fceef209 DDP |
838 | } |
839 | ||
d1fd1ea9 | 840 | struct hmap *portno_names = dpctl_get_portno_names(dpif, dpctl_p); |
fceef209 DDP |
841 | |
842 | if (filter) { | |
50f96b10 BP |
843 | struct ofputil_port_map port_map; |
844 | ofputil_port_map_init(&port_map); | |
d1fd1ea9 BP |
845 | |
846 | struct dpif_port_dump port_dump; | |
847 | struct dpif_port dpif_port; | |
50f96b10 BP |
848 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { |
849 | ofputil_port_map_put(&port_map, | |
850 | u16_to_ofp(odp_to_u32(dpif_port.port_no)), | |
851 | dpif_port.name); | |
852 | } | |
853 | char *err = parse_ofp_exact_flow(&flow_filter, &wc_filter, NULL, | |
854 | filter, &port_map); | |
855 | ofputil_port_map_destroy(&port_map); | |
fceef209 DDP |
856 | if (err) { |
857 | dpctl_error(dpctl_p, 0, "Failed to parse filter (%s)", err); | |
a129fe8c | 858 | free(err); |
fceef209 DDP |
859 | error = EINVAL; |
860 | goto out_dpifclose; | |
861 | } | |
862 | } | |
863 | ||
7e8b7199 PB |
864 | if (type) { |
865 | error = EINVAL; | |
866 | for (int i = 0; i < ARRAY_SIZE(supported_dump_types); i++) { | |
867 | if (!strcmp(supported_dump_types[i], type)) { | |
868 | error = 0; | |
869 | break; | |
870 | } | |
871 | } | |
872 | if (error) { | |
873 | dpctl_error(dpctl_p, error, "Failed to parse type (%s)", type); | |
874 | goto out_free; | |
875 | } | |
876 | } | |
877 | ||
d5c199ea DDP |
878 | /* Make sure that these values are different. PMD_ID_NULL means that the |
879 | * pmd is unspecified (e.g. because the datapath doesn't have different | |
880 | * pmd threads), while NON_PMD_CORE_ID refers to every non pmd threads | |
881 | * in the userspace datapath */ | |
882 | BUILD_ASSERT(PMD_ID_NULL != NON_PMD_CORE_ID); | |
883 | ||
fceef209 | 884 | ds_init(&ds); |
4742003c | 885 | memset(&f, 0, sizeof f); |
7e8b7199 | 886 | flow_dump = dpif_flow_dump_create(dpif, false, (type ? type : "dpctl")); |
fceef209 DDP |
887 | flow_dump_thread = dpif_flow_dump_thread_create(flow_dump); |
888 | while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) { | |
889 | if (filter) { | |
890 | struct flow flow; | |
891 | struct flow_wildcards wc; | |
892 | struct match match, match_filter; | |
893 | struct minimatch minimatch; | |
894 | ||
895 | odp_flow_key_to_flow(f.key, f.key_len, &flow); | |
8d8ab6c2 | 896 | odp_flow_key_to_mask(f.mask, f.mask_len, &wc, &flow); |
fceef209 DDP |
897 | match_init(&match, &flow, &wc); |
898 | ||
899 | match_init(&match_filter, &flow_filter, &wc); | |
900 | match_init(&match_filter, &match_filter.flow, &wc_filter); | |
901 | minimatch_init(&minimatch, &match_filter); | |
902 | ||
903 | if (!minimatch_matches_flow(&minimatch, &match.flow)) { | |
904 | minimatch_destroy(&minimatch); | |
905 | continue; | |
906 | } | |
907 | minimatch_destroy(&minimatch); | |
908 | } | |
909 | ds_clear(&ds); | |
1c1e46ed AW |
910 | /* If 'pmd_id' is specified, overlapping flows could be dumped from |
911 | * different pmd threads. So, separates dumps from different pmds | |
912 | * by printing a title line. */ | |
913 | if (pmd_id != f.pmd_id) { | |
914 | if (f.pmd_id == NON_PMD_CORE_ID) { | |
915 | ds_put_format(&ds, "flow-dump from non-dpdk interfaces:\n"); | |
916 | } else { | |
917 | ds_put_format(&ds, "flow-dump from pmd on cpu core: %d\n", | |
918 | f.pmd_id); | |
919 | } | |
920 | pmd_id = f.pmd_id; | |
921 | } | |
d1fd1ea9 | 922 | format_dpif_flow(&ds, &f, portno_names, type, dpctl_p); |
4742003c | 923 | |
fceef209 DDP |
924 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds)); |
925 | } | |
926 | dpif_flow_dump_thread_destroy(flow_dump_thread); | |
927 | error = dpif_flow_dump_destroy(flow_dump); | |
928 | ||
929 | if (error) { | |
930 | dpctl_error(dpctl_p, error, "Failed to dump flows from datapath"); | |
931 | } | |
932 | ds_destroy(&ds); | |
933 | ||
934 | out_dpifclose: | |
d1fd1ea9 | 935 | dpctl_free_portno_names(portno_names); |
fceef209 | 936 | dpif_close(dpif); |
7e8b7199 | 937 | out_free: |
fceef209 | 938 | free(filter); |
7e8b7199 | 939 | free(type); |
fceef209 DDP |
940 | return error; |
941 | } | |
942 | ||
943 | static int | |
944 | dpctl_put_flow(int argc, const char *argv[], enum dpif_flow_put_flags flags, | |
945 | struct dpctl_params *dpctl_p) | |
946 | { | |
947 | const char *key_s = argv[argc - 2]; | |
948 | const char *actions_s = argv[argc - 1]; | |
949 | struct dpif_flow_stats stats; | |
950 | struct dpif_port dpif_port; | |
951 | struct dpif_port_dump port_dump; | |
952 | struct ofpbuf actions; | |
953 | struct ofpbuf key; | |
954 | struct ofpbuf mask; | |
955 | struct dpif *dpif; | |
534a19b9 JS |
956 | ovs_u128 ufid; |
957 | bool ufid_present; | |
fceef209 DDP |
958 | char *dp_name; |
959 | struct simap port_names; | |
534a19b9 | 960 | int n, error; |
fceef209 DDP |
961 | |
962 | dp_name = argc == 4 ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
963 | if (!dp_name) { | |
964 | return EINVAL; | |
965 | } | |
966 | error = parsed_dpif_open(dp_name, false, &dpif); | |
967 | free(dp_name); | |
968 | if (error) { | |
969 | dpctl_error(dpctl_p, error, "opening datapath"); | |
970 | return error; | |
971 | } | |
972 | ||
534a19b9 JS |
973 | ufid_present = false; |
974 | n = odp_ufid_from_string(key_s, &ufid); | |
975 | if (n < 0) { | |
976 | dpctl_error(dpctl_p, -n, "parsing flow ufid"); | |
977 | return -n; | |
978 | } else if (n) { | |
979 | key_s += n; | |
980 | ufid_present = true; | |
981 | } | |
fceef209 DDP |
982 | |
983 | simap_init(&port_names); | |
984 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { | |
985 | simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no)); | |
986 | } | |
987 | ||
988 | ofpbuf_init(&key, 0); | |
989 | ofpbuf_init(&mask, 0); | |
990 | error = odp_flow_from_string(key_s, &port_names, &key, &mask); | |
991 | simap_destroy(&port_names); | |
992 | if (error) { | |
993 | dpctl_error(dpctl_p, error, "parsing flow key"); | |
994 | goto out_freekeymask; | |
995 | } | |
996 | ||
997 | ofpbuf_init(&actions, 0); | |
998 | error = odp_actions_from_string(actions_s, NULL, &actions); | |
999 | if (error) { | |
1000 | dpctl_error(dpctl_p, error, "parsing actions"); | |
1001 | goto out_freeactions; | |
1002 | } | |
1c1e46ed | 1003 | |
f5d317a1 DDP |
1004 | /* The flow will be added on all pmds currently in the datapath. */ |
1005 | error = dpif_flow_put(dpif, flags, | |
1006 | key.data, key.size, | |
1007 | mask.size == 0 ? NULL : mask.data, | |
1008 | mask.size, actions.data, | |
1009 | actions.size, ufid_present ? &ufid : NULL, | |
1010 | PMD_ID_NULL, | |
1011 | dpctl_p->print_statistics ? &stats : NULL); | |
1012 | ||
fceef209 DDP |
1013 | if (error) { |
1014 | dpctl_error(dpctl_p, error, "updating flow table"); | |
1015 | goto out_freeactions; | |
1016 | } | |
1017 | ||
1018 | if (dpctl_p->print_statistics) { | |
1019 | struct ds s; | |
1020 | ||
1021 | ds_init(&s); | |
1022 | dpif_flow_stats_format(&stats, &s); | |
1023 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
1024 | ds_destroy(&s); | |
1025 | } | |
1026 | ||
1027 | out_freeactions: | |
1028 | ofpbuf_uninit(&actions); | |
1029 | out_freekeymask: | |
1030 | ofpbuf_uninit(&mask); | |
1031 | ofpbuf_uninit(&key); | |
1032 | dpif_close(dpif); | |
1033 | return error; | |
1034 | } | |
1035 | ||
1036 | static int | |
1037 | dpctl_add_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1038 | { | |
1039 | return dpctl_put_flow(argc, argv, DPIF_FP_CREATE, dpctl_p); | |
1040 | } | |
1041 | ||
1042 | static int | |
1043 | dpctl_mod_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1044 | { | |
1045 | enum dpif_flow_put_flags flags; | |
1046 | ||
1047 | flags = DPIF_FP_MODIFY; | |
1048 | if (dpctl_p->may_create) { | |
1049 | flags |= DPIF_FP_CREATE; | |
1050 | } | |
1051 | if (dpctl_p->zero_statistics) { | |
1052 | flags |= DPIF_FP_ZERO_STATS; | |
1053 | } | |
1054 | ||
1055 | return dpctl_put_flow(argc, argv, flags, dpctl_p); | |
1056 | } | |
1057 | ||
818650e6 JS |
1058 | static int |
1059 | dpctl_get_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1060 | { | |
1061 | const char *key_s = argv[argc - 1]; | |
1062 | struct dpif_flow flow; | |
818650e6 JS |
1063 | struct dpif *dpif; |
1064 | char *dp_name; | |
818650e6 JS |
1065 | ovs_u128 ufid; |
1066 | struct ofpbuf buf; | |
1067 | uint64_t stub[DPIF_FLOW_BUFSIZE / 8]; | |
1068 | struct ds ds; | |
1069 | int n, error; | |
1070 | ||
1071 | dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
1072 | if (!dp_name) { | |
1073 | return EINVAL; | |
1074 | } | |
1075 | error = parsed_dpif_open(dp_name, false, &dpif); | |
1076 | free(dp_name); | |
1077 | if (error) { | |
1078 | dpctl_error(dpctl_p, error, "opening datapath"); | |
1079 | return error; | |
1080 | } | |
1081 | ||
1082 | ofpbuf_use_stub(&buf, &stub, sizeof stub); | |
d1fd1ea9 BP |
1083 | |
1084 | struct hmap *portno_names = dpctl_get_portno_names(dpif, dpctl_p); | |
818650e6 JS |
1085 | |
1086 | n = odp_ufid_from_string(key_s, &ufid); | |
1087 | if (n <= 0) { | |
1088 | dpctl_error(dpctl_p, -n, "parsing flow ufid"); | |
1089 | goto out; | |
1090 | } | |
1091 | ||
c673049c | 1092 | /* In case of PMD will be returned flow from first PMD thread with match. */ |
1c1e46ed | 1093 | error = dpif_flow_get(dpif, NULL, 0, &ufid, PMD_ID_NULL, &buf, &flow); |
818650e6 JS |
1094 | if (error) { |
1095 | dpctl_error(dpctl_p, error, "getting flow"); | |
1096 | goto out; | |
1097 | } | |
1098 | ||
1099 | ds_init(&ds); | |
d1fd1ea9 | 1100 | format_dpif_flow(&ds, &flow, portno_names, NULL, dpctl_p); |
818650e6 JS |
1101 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds)); |
1102 | ds_destroy(&ds); | |
1103 | ||
1104 | out: | |
d1fd1ea9 | 1105 | dpctl_free_portno_names(portno_names); |
818650e6 JS |
1106 | ofpbuf_uninit(&buf); |
1107 | dpif_close(dpif); | |
1108 | return error; | |
1109 | } | |
1110 | ||
fceef209 DDP |
1111 | static int |
1112 | dpctl_del_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1113 | { | |
1114 | const char *key_s = argv[argc - 1]; | |
1115 | struct dpif_flow_stats stats; | |
1116 | struct dpif_port dpif_port; | |
1117 | struct dpif_port_dump port_dump; | |
1118 | struct ofpbuf key; | |
1119 | struct ofpbuf mask; /* To be ignored. */ | |
1120 | struct dpif *dpif; | |
534a19b9 JS |
1121 | ovs_u128 ufid; |
1122 | bool ufid_present; | |
fceef209 DDP |
1123 | char *dp_name; |
1124 | struct simap port_names; | |
534a19b9 | 1125 | int n, error; |
fceef209 DDP |
1126 | |
1127 | dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
1128 | if (!dp_name) { | |
1129 | return EINVAL; | |
1130 | } | |
1131 | error = parsed_dpif_open(dp_name, false, &dpif); | |
1132 | free(dp_name); | |
1133 | if (error) { | |
1134 | dpctl_error(dpctl_p, error, "opening datapath"); | |
1135 | return error; | |
1136 | } | |
1137 | ||
534a19b9 JS |
1138 | ufid_present = false; |
1139 | n = odp_ufid_from_string(key_s, &ufid); | |
1140 | if (n < 0) { | |
1141 | dpctl_error(dpctl_p, -n, "parsing flow ufid"); | |
1142 | return -n; | |
1143 | } else if (n) { | |
1144 | key_s += n; | |
1145 | ufid_present = true; | |
1146 | } | |
1147 | ||
fceef209 DDP |
1148 | simap_init(&port_names); |
1149 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) { | |
1150 | simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no)); | |
1151 | } | |
1152 | ||
1153 | ofpbuf_init(&key, 0); | |
1154 | ofpbuf_init(&mask, 0); | |
1155 | ||
1156 | error = odp_flow_from_string(key_s, &port_names, &key, &mask); | |
1157 | if (error) { | |
1158 | dpctl_error(dpctl_p, error, "parsing flow key"); | |
1159 | goto out; | |
1160 | } | |
1161 | ||
f5d317a1 DDP |
1162 | /* The flow will be deleted from all pmds currently in the datapath. */ |
1163 | error = dpif_flow_del(dpif, key.data, key.size, | |
1164 | ufid_present ? &ufid : NULL, PMD_ID_NULL, | |
1165 | dpctl_p->print_statistics ? &stats : NULL); | |
1166 | ||
fceef209 DDP |
1167 | if (error) { |
1168 | dpctl_error(dpctl_p, error, "deleting flow"); | |
534a19b9 JS |
1169 | if (error == ENOENT && !ufid_present) { |
1170 | struct ds s; | |
1171 | ||
1172 | ds_init(&s); | |
1173 | ds_put_format(&s, "Perhaps you need to specify a UFID?"); | |
1174 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
1175 | ds_destroy(&s); | |
1176 | } | |
fceef209 DDP |
1177 | goto out; |
1178 | } | |
1179 | ||
1180 | if (dpctl_p->print_statistics) { | |
1181 | struct ds s; | |
1182 | ||
1183 | ds_init(&s); | |
1184 | dpif_flow_stats_format(&stats, &s); | |
1185 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
1186 | ds_destroy(&s); | |
1187 | } | |
1188 | ||
1189 | out: | |
1190 | ofpbuf_uninit(&mask); | |
1191 | ofpbuf_uninit(&key); | |
1192 | simap_destroy(&port_names); | |
1193 | dpif_close(dpif); | |
1194 | return error; | |
1195 | } | |
1196 | ||
1197 | static int | |
1198 | dpctl_del_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1199 | { | |
1200 | struct dpif *dpif; | |
1201 | char *name; | |
1202 | int error; | |
1203 | ||
1204 | name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
1205 | if (!name) { | |
1206 | return EINVAL; | |
1207 | } | |
1208 | error = parsed_dpif_open(name, false, &dpif); | |
1209 | free(name); | |
1210 | if (error) { | |
1211 | dpctl_error(dpctl_p, error, "opening datapath"); | |
1212 | return error; | |
1213 | } | |
1214 | ||
1215 | error = dpif_flow_flush(dpif); | |
1216 | if (error) { | |
1217 | dpctl_error(dpctl_p, error, "deleting all flows"); | |
1218 | } | |
1219 | dpif_close(dpif); | |
1220 | return error; | |
1221 | } | |
1222 | ||
1223 | static int | |
1224 | dpctl_help(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED, | |
1225 | struct dpctl_params *dpctl_p) | |
1226 | { | |
1227 | if (dpctl_p->usage) { | |
1228 | dpctl_p->usage(dpctl_p->aux); | |
1229 | } | |
56cad666 AW |
1230 | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | static int | |
1235 | dpctl_list_commands(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED, | |
1236 | struct dpctl_params *dpctl_p) | |
1237 | { | |
1238 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1239 | const struct dpctl_command *commands = get_all_dpctl_commands(); | |
1240 | ||
1241 | ds_put_cstr(&ds, "The available commands are:\n"); | |
1242 | for (; commands->name; commands++) { | |
1243 | const struct dpctl_command *c = commands; | |
1244 | ||
1245 | ds_put_format(&ds, " %s%-23s %s\n", dpctl_p->is_appctl ? "dpctl/" : "", | |
1246 | c->name, c->usage); | |
1247 | } | |
1248 | dpctl_puts(dpctl_p, false, ds.string); | |
1249 | ds_destroy(&ds); | |
1250 | ||
fceef209 DDP |
1251 | return 0; |
1252 | } | |
dffae65f DDP |
1253 | |
1254 | static int | |
1255 | dpctl_dump_conntrack(int argc, const char *argv[], | |
1256 | struct dpctl_params *dpctl_p) | |
1257 | { | |
1258 | struct ct_dpif_dump_state *dump; | |
1259 | struct ct_dpif_entry cte; | |
1260 | uint16_t zone, *pzone = NULL; | |
1261 | struct dpif *dpif; | |
1262 | char *name; | |
1263 | int error; | |
1264 | ||
1265 | if (argc > 1 && ovs_scan(argv[argc - 1], "zone=%"SCNu16, &zone)) { | |
1266 | pzone = &zone; | |
1267 | argc--; | |
1268 | } | |
1269 | name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
1270 | if (!name) { | |
1271 | return EINVAL; | |
1272 | } | |
1273 | error = parsed_dpif_open(name, false, &dpif); | |
1274 | free(name); | |
1275 | if (error) { | |
1276 | dpctl_error(dpctl_p, error, "opening datapath"); | |
1277 | return error; | |
1278 | } | |
1279 | ||
1280 | error = ct_dpif_dump_start(dpif, &dump, pzone); | |
1281 | if (error) { | |
1282 | dpctl_error(dpctl_p, error, "starting conntrack dump"); | |
1283 | dpif_close(dpif); | |
1284 | return error; | |
1285 | } | |
1286 | ||
1287 | while (!ct_dpif_dump_next(dump, &cte)) { | |
1288 | struct ds s = DS_EMPTY_INITIALIZER; | |
1289 | ||
1290 | ct_dpif_format_entry(&cte, &s, dpctl_p->verbosity, | |
1291 | dpctl_p->print_statistics); | |
1292 | ct_dpif_entry_uninit(&cte); | |
1293 | ||
1294 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); | |
1295 | ds_destroy(&s); | |
1296 | } | |
1297 | ct_dpif_dump_done(dump); | |
1298 | dpif_close(dpif); | |
1299 | return error; | |
1300 | } | |
1301 | ||
7f278d1f DDP |
1302 | static int |
1303 | dpctl_flush_conntrack(int argc, const char *argv[], | |
1304 | struct dpctl_params *dpctl_p) | |
1305 | { | |
1306 | struct dpif *dpif; | |
1307 | uint16_t zone, *pzone = NULL; | |
1308 | char *name; | |
1309 | int error; | |
1310 | ||
1311 | if (argc > 1 && ovs_scan(argv[argc - 1], "zone=%"SCNu16, &zone)) { | |
1312 | pzone = &zone; | |
1313 | argc--; | |
1314 | } | |
1315 | name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p); | |
1316 | if (!name) { | |
1317 | return EINVAL; | |
1318 | } | |
1319 | error = parsed_dpif_open(name, false, &dpif); | |
1320 | free(name); | |
1321 | if (error) { | |
1322 | dpctl_error(dpctl_p, error, "opening datapath"); | |
1323 | return error; | |
1324 | } | |
1325 | ||
1326 | error = ct_dpif_flush(dpif, pzone); | |
1327 | ||
1328 | dpif_close(dpif); | |
1329 | return error; | |
1330 | } | |
fceef209 DDP |
1331 | \f |
1332 | /* Undocumented commands for unit testing. */ | |
1333 | ||
1334 | static int | |
1335 | dpctl_parse_actions(int argc, const char *argv[], struct dpctl_params* dpctl_p) | |
1336 | { | |
1337 | int i, error = 0; | |
1338 | ||
1339 | for (i = 1; i < argc; i++) { | |
1340 | struct ofpbuf actions; | |
1341 | struct ds s; | |
1342 | ||
1343 | ofpbuf_init(&actions, 0); | |
1344 | error = odp_actions_from_string(argv[i], NULL, &actions); | |
1345 | ||
1346 | if (error) { | |
1347 | ofpbuf_uninit(&actions); | |
1348 | dpctl_error(dpctl_p, error, "odp_actions_from_string"); | |
1349 | return error; | |
1350 | } | |
1351 | ||
1352 | ds_init(&s); | |
0722f341 | 1353 | format_odp_actions(&s, actions.data, actions.size, NULL); |
fceef209 DDP |
1354 | dpctl_print(dpctl_p, "%s\n", ds_cstr(&s)); |
1355 | ds_destroy(&s); | |
1356 | ||
1357 | ofpbuf_uninit(&actions); | |
1358 | } | |
1359 | ||
1360 | return error; | |
1361 | } | |
1362 | ||
1363 | struct actions_for_flow { | |
1364 | struct hmap_node hmap_node; | |
1365 | struct flow flow; | |
1366 | struct ofpbuf actions; | |
1367 | }; | |
1368 | ||
1369 | static struct actions_for_flow * | |
1370 | get_actions_for_flow(struct hmap *actions_per_flow, const struct flow *flow) | |
1371 | { | |
1372 | uint32_t hash = flow_hash(flow, 0); | |
1373 | struct actions_for_flow *af; | |
1374 | ||
1375 | HMAP_FOR_EACH_WITH_HASH (af, hmap_node, hash, actions_per_flow) { | |
1376 | if (flow_equal(&af->flow, flow)) { | |
1377 | return af; | |
1378 | } | |
1379 | } | |
1380 | ||
1381 | af = xmalloc(sizeof *af); | |
1382 | af->flow = *flow; | |
1383 | ofpbuf_init(&af->actions, 0); | |
1384 | hmap_insert(actions_per_flow, &af->hmap_node, hash); | |
1385 | return af; | |
1386 | } | |
1387 | ||
1388 | static int | |
1389 | compare_actions_for_flow(const void *a_, const void *b_) | |
1390 | { | |
1391 | struct actions_for_flow *const *a = a_; | |
1392 | struct actions_for_flow *const *b = b_; | |
1393 | ||
1394 | return flow_compare_3way(&(*a)->flow, &(*b)->flow); | |
1395 | } | |
1396 | ||
1397 | static int | |
1398 | compare_output_actions(const void *a_, const void *b_) | |
1399 | { | |
1400 | const struct nlattr *a = a_; | |
1401 | const struct nlattr *b = b_; | |
1402 | uint32_t a_port = nl_attr_get_u32(a); | |
1403 | uint32_t b_port = nl_attr_get_u32(b); | |
1404 | ||
1405 | return a_port < b_port ? -1 : a_port > b_port; | |
1406 | } | |
1407 | ||
1408 | static void | |
1409 | sort_output_actions__(struct nlattr *first, struct nlattr *end) | |
1410 | { | |
1411 | size_t bytes = (uint8_t *) end - (uint8_t *) first; | |
1412 | size_t n = bytes / NL_A_U32_SIZE; | |
1413 | ||
1414 | ovs_assert(bytes % NL_A_U32_SIZE == 0); | |
1415 | qsort(first, n, NL_A_U32_SIZE, compare_output_actions); | |
1416 | } | |
1417 | ||
1418 | static void | |
1419 | sort_output_actions(struct nlattr *actions, size_t length) | |
1420 | { | |
1421 | struct nlattr *first_output = NULL; | |
1422 | struct nlattr *a; | |
1423 | int left; | |
1424 | ||
1425 | NL_ATTR_FOR_EACH (a, left, actions, length) { | |
1426 | if (nl_attr_type(a) == OVS_ACTION_ATTR_OUTPUT) { | |
1427 | if (!first_output) { | |
1428 | first_output = a; | |
1429 | } | |
1430 | } else { | |
1431 | if (first_output) { | |
1432 | sort_output_actions__(first_output, a); | |
1433 | first_output = NULL; | |
1434 | } | |
1435 | } | |
1436 | } | |
1437 | if (first_output) { | |
1438 | uint8_t *end = (uint8_t *) actions + length; | |
1439 | sort_output_actions__(first_output, | |
1440 | ALIGNED_CAST(struct nlattr *, end)); | |
1441 | } | |
1442 | } | |
1443 | ||
1444 | /* usage: "ovs-dpctl normalize-actions FLOW ACTIONS" where FLOW and ACTIONS | |
1445 | * have the syntax used by "ovs-dpctl dump-flows". | |
1446 | * | |
1447 | * This command prints ACTIONS in a format that shows what happens for each | |
1448 | * VLAN, independent of the order of the ACTIONS. For example, there is more | |
1449 | * than one way to output a packet on VLANs 9 and 11, but this command will | |
1450 | * print the same output for any form. | |
1451 | * | |
1452 | * The idea here generalizes beyond VLANs (e.g. to setting other fields) but | |
1453 | * so far the implementation only covers VLANs. */ | |
1454 | static int | |
1455 | dpctl_normalize_actions(int argc, const char *argv[], | |
1456 | struct dpctl_params *dpctl_p) | |
1457 | { | |
1458 | struct simap port_names; | |
1459 | struct ofpbuf keybuf; | |
1460 | struct flow flow; | |
1461 | struct ofpbuf odp_actions; | |
1462 | struct hmap actions_per_flow; | |
1463 | struct actions_for_flow **afs; | |
1464 | struct actions_for_flow *af; | |
1465 | struct nlattr *a; | |
1466 | size_t n_afs; | |
1467 | struct ds s; | |
1468 | int left; | |
1469 | int i, error; | |
f0fb825a | 1470 | int encaps = 0; |
fceef209 DDP |
1471 | |
1472 | ds_init(&s); | |
1473 | ||
1474 | simap_init(&port_names); | |
1475 | for (i = 3; i < argc; i++) { | |
1476 | char name[16]; | |
1477 | int number; | |
1478 | ||
1479 | if (ovs_scan(argv[i], "%15[^=]=%d", name, &number)) { | |
1480 | uintptr_t n = number; | |
1481 | simap_put(&port_names, name, n); | |
1482 | } else { | |
1483 | dpctl_error(dpctl_p, 0, "%s: expected NAME=NUMBER", argv[i]); | |
1484 | error = EINVAL; | |
1485 | goto out; | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | /* Parse flow key. */ | |
1490 | ofpbuf_init(&keybuf, 0); | |
1491 | error = odp_flow_from_string(argv[1], &port_names, &keybuf, NULL); | |
1492 | if (error) { | |
1493 | dpctl_error(dpctl_p, error, "odp_flow_key_from_string"); | |
1494 | goto out_freekeybuf; | |
1495 | } | |
1496 | ||
1497 | ds_clear(&s); | |
6fd6ed71 | 1498 | odp_flow_format(keybuf.data, keybuf.size, NULL, 0, NULL, |
fceef209 DDP |
1499 | &s, dpctl_p->verbosity); |
1500 | dpctl_print(dpctl_p, "input flow: %s\n", ds_cstr(&s)); | |
1501 | ||
6fd6ed71 | 1502 | error = odp_flow_key_to_flow(keybuf.data, keybuf.size, &flow); |
fceef209 DDP |
1503 | if (error) { |
1504 | dpctl_error(dpctl_p, error, "odp_flow_key_to_flow"); | |
1505 | goto out_freekeybuf; | |
1506 | } | |
1507 | ||
1508 | /* Parse actions. */ | |
1509 | ofpbuf_init(&odp_actions, 0); | |
1510 | error = odp_actions_from_string(argv[2], &port_names, &odp_actions); | |
1511 | if (error) { | |
1512 | dpctl_error(dpctl_p, error, "odp_actions_from_string"); | |
1513 | goto out_freeactions; | |
1514 | } | |
1515 | ||
1516 | if (dpctl_p->verbosity) { | |
1517 | ds_clear(&s); | |
0722f341 | 1518 | format_odp_actions(&s, odp_actions.data, odp_actions.size, NULL); |
fceef209 DDP |
1519 | dpctl_print(dpctl_p, "input actions: %s\n", ds_cstr(&s)); |
1520 | } | |
1521 | ||
1522 | hmap_init(&actions_per_flow); | |
6fd6ed71 | 1523 | NL_ATTR_FOR_EACH (a, left, odp_actions.data, odp_actions.size) { |
fceef209 DDP |
1524 | const struct ovs_action_push_vlan *push; |
1525 | switch(nl_attr_type(a)) { | |
1526 | case OVS_ACTION_ATTR_POP_VLAN: | |
f0fb825a | 1527 | flow_pop_vlan(&flow, NULL); |
fceef209 DDP |
1528 | continue; |
1529 | ||
1530 | case OVS_ACTION_ATTR_PUSH_VLAN: | |
f0fb825a | 1531 | flow_push_vlan_uninit(&flow, NULL); |
fceef209 | 1532 | push = nl_attr_get_unspec(a, sizeof *push); |
f0fb825a EG |
1533 | flow.vlans[0].tpid = push->vlan_tpid; |
1534 | flow.vlans[0].tci = push->vlan_tci; | |
fceef209 DDP |
1535 | continue; |
1536 | } | |
1537 | ||
1538 | af = get_actions_for_flow(&actions_per_flow, &flow); | |
1539 | nl_msg_put_unspec(&af->actions, nl_attr_type(a), | |
1540 | nl_attr_get(a), nl_attr_get_size(a)); | |
1541 | } | |
1542 | ||
1543 | n_afs = hmap_count(&actions_per_flow); | |
1544 | afs = xmalloc(n_afs * sizeof *afs); | |
1545 | i = 0; | |
1546 | HMAP_FOR_EACH (af, hmap_node, &actions_per_flow) { | |
1547 | afs[i++] = af; | |
1548 | } | |
1549 | ||
1550 | ovs_assert(i == n_afs); | |
1551 | hmap_destroy(&actions_per_flow); | |
1552 | ||
1553 | qsort(afs, n_afs, sizeof *afs, compare_actions_for_flow); | |
1554 | ||
1555 | for (i = 0; i < n_afs; i++) { | |
1556 | struct actions_for_flow *af = afs[i]; | |
1557 | ||
6fd6ed71 | 1558 | sort_output_actions(af->actions.data, af->actions.size); |
fceef209 | 1559 | |
f0fb825a EG |
1560 | for (encaps = 0; encaps < FLOW_MAX_VLAN_HEADERS; encaps ++) { |
1561 | union flow_vlan_hdr *vlan = &af->flow.vlans[encaps]; | |
1562 | if (vlan->tci != htons(0)) { | |
1563 | dpctl_print(dpctl_p, "vlan("); | |
1564 | if (vlan->tpid != htons(ETH_TYPE_VLAN)) { | |
1565 | dpctl_print(dpctl_p, "tpid=0x%04"PRIx16",", vlan->tpid); | |
1566 | } | |
1567 | dpctl_print(dpctl_p, "vid=%"PRIu16",pcp=%d): ", | |
1568 | vlan_tci_to_vid(vlan->tci), | |
1569 | vlan_tci_to_pcp(vlan->tci)); | |
1570 | } else { | |
1571 | if (encaps == 0) { | |
1572 | dpctl_print(dpctl_p, "no vlan: "); | |
1573 | } | |
1574 | break; | |
1575 | } | |
fceef209 DDP |
1576 | } |
1577 | ||
1578 | if (eth_type_mpls(af->flow.dl_type)) { | |
1579 | dpctl_print(dpctl_p, "mpls(label=%"PRIu32",tc=%d,ttl=%d): ", | |
1580 | mpls_lse_to_label(af->flow.mpls_lse[0]), | |
1581 | mpls_lse_to_tc(af->flow.mpls_lse[0]), | |
1582 | mpls_lse_to_ttl(af->flow.mpls_lse[0])); | |
1583 | } else { | |
1584 | dpctl_print(dpctl_p, "no mpls: "); | |
1585 | } | |
1586 | ||
1587 | ds_clear(&s); | |
0722f341 | 1588 | format_odp_actions(&s, af->actions.data, af->actions.size, NULL); |
7521b9e5 | 1589 | dpctl_puts(dpctl_p, false, ds_cstr(&s)); |
fceef209 DDP |
1590 | |
1591 | ofpbuf_uninit(&af->actions); | |
1592 | free(af); | |
1593 | } | |
1594 | free(afs); | |
1595 | ||
1596 | ||
1597 | out_freeactions: | |
1598 | ofpbuf_uninit(&odp_actions); | |
1599 | out_freekeybuf: | |
1600 | ofpbuf_uninit(&keybuf); | |
1601 | out: | |
1602 | simap_destroy(&port_names); | |
1603 | ds_destroy(&s); | |
1604 | ||
1605 | return error; | |
1606 | } | |
1607 | \f | |
fceef209 | 1608 | static const struct dpctl_command all_commands[] = { |
1ed90a98 BP |
1609 | { "add-dp", "dp [iface...]", 1, INT_MAX, dpctl_add_dp, DP_RW }, |
1610 | { "del-dp", "dp", 1, 1, dpctl_del_dp, DP_RW }, | |
1611 | { "add-if", "dp iface...", 2, INT_MAX, dpctl_add_if, DP_RW }, | |
1612 | { "del-if", "dp iface...", 2, INT_MAX, dpctl_del_if, DP_RW }, | |
1613 | { "set-if", "dp iface...", 2, INT_MAX, dpctl_set_if, DP_RW }, | |
1f4a7252 RM |
1614 | { "dump-dps", "", 0, 0, dpctl_dump_dps, DP_RO }, |
1615 | { "show", "[dp...]", 0, INT_MAX, dpctl_show, DP_RO }, | |
1401f6de FA |
1616 | { "dump-flows", "[dp] [filter=..] [type=..]", |
1617 | 0, 3, dpctl_dump_flows, DP_RO }, | |
1ed90a98 BP |
1618 | { "add-flow", "[dp] flow actions", 2, 3, dpctl_add_flow, DP_RW }, |
1619 | { "mod-flow", "[dp] flow actions", 2, 3, dpctl_mod_flow, DP_RW }, | |
1620 | { "get-flow", "[dp] ufid", 1, 2, dpctl_get_flow, DP_RO }, | |
1621 | { "del-flow", "[dp] flow", 1, 2, dpctl_del_flow, DP_RW }, | |
1f4a7252 RM |
1622 | { "del-flows", "[dp]", 0, 1, dpctl_del_flows, DP_RW }, |
1623 | { "dump-conntrack", "[dp] [zone=N]", 0, 2, dpctl_dump_conntrack, DP_RO }, | |
1624 | { "flush-conntrack", "[dp] [zone=N]", 0, 2, dpctl_flush_conntrack, DP_RW }, | |
1625 | { "help", "", 0, INT_MAX, dpctl_help, DP_RO }, | |
1626 | { "list-commands", "", 0, INT_MAX, dpctl_list_commands, DP_RO }, | |
fceef209 DDP |
1627 | |
1628 | /* Undocumented commands for testing. */ | |
1f4a7252 | 1629 | { "parse-actions", "actions", 1, INT_MAX, dpctl_parse_actions, DP_RO }, |
1401f6de FA |
1630 | { "normalize-actions", "actions", |
1631 | 2, INT_MAX, dpctl_normalize_actions, DP_RO }, | |
fceef209 | 1632 | |
1f4a7252 | 1633 | { NULL, NULL, 0, 0, NULL, DP_RO }, |
fceef209 DDP |
1634 | }; |
1635 | ||
56cad666 AW |
1636 | static const struct dpctl_command *get_all_dpctl_commands(void) |
1637 | { | |
1638 | return all_commands; | |
1639 | } | |
1640 | ||
fceef209 DDP |
1641 | /* Runs the command designated by argv[0] within the command table specified by |
1642 | * 'commands', which must be terminated by a command whose 'name' member is a | |
1643 | * null pointer. */ | |
1644 | int | |
1645 | dpctl_run_command(int argc, const char *argv[], struct dpctl_params *dpctl_p) | |
1646 | { | |
1647 | const struct dpctl_command *p; | |
1648 | ||
1649 | if (argc < 1) { | |
1650 | dpctl_error(dpctl_p, 0, "missing command name; use --help for help"); | |
1651 | return EINVAL; | |
1652 | } | |
1653 | ||
1654 | for (p = all_commands; p->name != NULL; p++) { | |
1655 | if (!strcmp(p->name, argv[0])) { | |
1656 | int n_arg = argc - 1; | |
1657 | if (n_arg < p->min_args) { | |
1658 | dpctl_error(dpctl_p, 0, | |
1659 | "'%s' command requires at least %d arguments", | |
1660 | p->name, p->min_args); | |
1661 | return EINVAL; | |
1662 | } else if (n_arg > p->max_args) { | |
1663 | dpctl_error(dpctl_p, 0, | |
1664 | "'%s' command takes at most %d arguments", | |
1665 | p->name, p->max_args); | |
1666 | return EINVAL; | |
1667 | } else { | |
1f4a7252 RM |
1668 | if (p->mode == DP_RW && dpctl_p->read_only) { |
1669 | dpctl_error(dpctl_p, 0, | |
1670 | "'%s' command does not work in read only mode", | |
1671 | p->name); | |
1672 | return EINVAL; | |
1673 | } | |
fceef209 DDP |
1674 | return p->handler(argc, argv, dpctl_p); |
1675 | } | |
1676 | } | |
1677 | } | |
1678 | ||
1679 | dpctl_error(dpctl_p, 0, "unknown command '%s'; use --help for help", | |
1680 | argv[0]); | |
1681 | return EINVAL; | |
1682 | } | |
1683 | \f | |
1684 | static void | |
1685 | dpctl_unixctl_print(void *userdata, bool error OVS_UNUSED, const char *msg) | |
1686 | { | |
1687 | struct ds *ds = userdata; | |
1688 | ds_put_cstr(ds, msg); | |
1689 | } | |
1690 | ||
1691 | static void | |
1692 | dpctl_unixctl_handler(struct unixctl_conn *conn, int argc, const char *argv[], | |
1693 | void *aux) | |
1694 | { | |
1695 | struct ds ds = DS_EMPTY_INITIALIZER; | |
79ae214d | 1696 | bool error = false; |
fceef209 | 1697 | |
337c4528 BP |
1698 | struct dpctl_params dpctl_p = { |
1699 | .is_appctl = true, | |
1700 | .output = dpctl_unixctl_print, | |
1701 | .aux = &ds, | |
1702 | }; | |
fceef209 DDP |
1703 | |
1704 | /* Parse options (like getopt). Unfortunately it does | |
1705 | * not seem a good idea to call getopt_long() here, since it uses global | |
1706 | * variables */ | |
d1fd1ea9 | 1707 | bool set_names = false; |
79ae214d | 1708 | while (argc > 1 && !error) { |
fceef209 DDP |
1709 | const char *arg = argv[1]; |
1710 | if (!strncmp(arg, "--", 2)) { | |
1711 | /* Long option */ | |
1712 | if (!strcmp(arg, "--statistics")) { | |
1713 | dpctl_p.print_statistics = true; | |
1714 | } else if (!strcmp(arg, "--clear")) { | |
1715 | dpctl_p.zero_statistics = true; | |
1716 | } else if (!strcmp(arg, "--may-create")) { | |
1717 | dpctl_p.may_create = true; | |
1718 | } else if (!strcmp(arg, "--more")) { | |
1719 | dpctl_p.verbosity++; | |
d1fd1ea9 BP |
1720 | } else if (!strcmp(arg, "--names")) { |
1721 | dpctl_p.names = true; | |
1722 | set_names = true; | |
1723 | } else if (!strcmp(arg, "--no-names")) { | |
1724 | dpctl_p.names = false; | |
1725 | set_names = true; | |
fceef209 DDP |
1726 | } else { |
1727 | ds_put_format(&ds, "Unrecognized option %s", argv[1]); | |
79ae214d | 1728 | error = true; |
fceef209 DDP |
1729 | } |
1730 | } else if (arg[0] == '-' && arg[1] != '\0') { | |
1731 | /* Short option[s] */ | |
1732 | const char *opt = &arg[1]; | |
1733 | ||
79ae214d | 1734 | while (*opt && !error) { |
fceef209 DDP |
1735 | switch (*opt) { |
1736 | case 'm': | |
1737 | dpctl_p.verbosity++; | |
1738 | break; | |
1739 | case 's': | |
1740 | dpctl_p.print_statistics = true; | |
1741 | break; | |
1742 | default: | |
1743 | ds_put_format(&ds, "Unrecognized option -%c", *opt); | |
79ae214d | 1744 | error = true; |
fceef209 DDP |
1745 | break; |
1746 | } | |
1747 | opt++; | |
1748 | } | |
1749 | } else { | |
1750 | /* Doesn't start with -, not an option */ | |
1751 | break; | |
1752 | } | |
1753 | ||
79ae214d | 1754 | if (error) { |
fceef209 DDP |
1755 | break; |
1756 | } | |
1757 | argv++; | |
1758 | argc--; | |
1759 | } | |
d1fd1ea9 BP |
1760 | if (!set_names) { |
1761 | dpctl_p.names = dpctl_p.verbosity > 0; | |
1762 | } | |
1763 | VLOG_INFO("set_names=%d verbosity=%d names=%d", set_names, | |
1764 | dpctl_p.verbosity, dpctl_p.names); | |
fceef209 | 1765 | |
79ae214d | 1766 | if (!error) { |
337c4528 | 1767 | dpctl_command_handler *handler = (dpctl_command_handler *) aux; |
79ae214d | 1768 | error = handler(argc, argv, &dpctl_p) != 0; |
fceef209 DDP |
1769 | } |
1770 | ||
79ae214d BP |
1771 | if (error) { |
1772 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
1773 | } else { | |
1774 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
1775 | } | |
fceef209 DDP |
1776 | |
1777 | ds_destroy(&ds); | |
1778 | } | |
1779 | ||
1780 | void | |
1781 | dpctl_unixctl_register(void) | |
1782 | { | |
1783 | const struct dpctl_command *p; | |
1784 | ||
1785 | for (p = all_commands; p->name != NULL; p++) { | |
337c4528 BP |
1786 | if (strcmp(p->name, "help")) { |
1787 | char *cmd_name = xasprintf("dpctl/%s", p->name); | |
c0297846 | 1788 | unixctl_command_register(cmd_name, |
1789 | p->usage, | |
1790 | p->min_args, | |
1791 | p->max_args, | |
1792 | dpctl_unixctl_handler, | |
1793 | p->handler); | |
337c4528 BP |
1794 | free(cmd_name); |
1795 | } | |
fceef209 DDP |
1796 | } |
1797 | } |