]>
Commit | Line | Data |
---|---|---|
064af421 | 1 | /* |
fec00620 | 2 | * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. |
064af421 | 3 | * |
a14bc59f BP |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
064af421 | 7 | * |
a14bc59f BP |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
064af421 BP |
15 | */ |
16 | ||
17 | #include <config.h> | |
064af421 BP |
18 | #include <errno.h> |
19 | #include <getopt.h> | |
20 | #include <inttypes.h> | |
bd6b7545 | 21 | #include <sys/socket.h> |
064af421 | 22 | #include <net/if.h> |
064af421 | 23 | #include <signal.h> |
064af421 BP |
24 | #include <stdlib.h> |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/time.h> | |
29 | ||
10a24935 | 30 | #include "byte-order.h" |
09246b99 | 31 | #include "classifier.h" |
064af421 | 32 | #include "command-line.h" |
1eb85ef5 | 33 | #include "daemon.h" |
064af421 BP |
34 | #include "compiler.h" |
35 | #include "dirs.h" | |
09246b99 | 36 | #include "dynamic-string.h" |
064af421 | 37 | #include "netlink.h" |
09246b99 | 38 | #include "nx-match.h" |
064af421 | 39 | #include "odp-util.h" |
f22716dc | 40 | #include "ofp-parse.h" |
064af421 | 41 | #include "ofp-print.h" |
fa37b408 | 42 | #include "ofp-util.h" |
064af421 | 43 | #include "ofpbuf.h" |
63d347ce | 44 | #include "ofproto/ofproto.h" |
064af421 BP |
45 | #include "openflow/nicira-ext.h" |
46 | #include "openflow/openflow.h" | |
1eb85ef5 | 47 | #include "poll-loop.h" |
064af421 | 48 | #include "random.h" |
fe55ad15 | 49 | #include "stream-ssl.h" |
064af421 | 50 | #include "timeval.h" |
1eb85ef5 | 51 | #include "unixctl.h" |
064af421 | 52 | #include "util.h" |
064af421 | 53 | #include "vconn.h" |
5136ce49 | 54 | #include "vlog.h" |
064af421 | 55 | |
d98e6007 | 56 | VLOG_DEFINE_THIS_MODULE(ofctl); |
064af421 | 57 | |
102ce766 EJ |
58 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
59 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
60 | */ | |
675febfa | 61 | static bool strict; |
064af421 | 62 | |
c4ea79bf BP |
63 | /* --readd: If ture, on replace-flows, re-add even flows that have not changed |
64 | * (to reset flow counters). */ | |
65 | static bool readd; | |
66 | ||
88ca35ee BP |
67 | /* -F, --flow-format: Flow format to use. Either one of NXFF_* to force a |
68 | * particular flow format or -1 to let ovs-ofctl choose intelligently. */ | |
69 | static int preferred_flow_format = -1; | |
70 | ||
4f564f8d BP |
71 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
72 | static int verbosity; | |
73 | ||
675febfa | 74 | static const struct command all_commands[]; |
064af421 BP |
75 | |
76 | static void usage(void) NO_RETURN; | |
675febfa | 77 | static void parse_options(int argc, char *argv[]); |
064af421 | 78 | |
675febfa BP |
79 | int |
80 | main(int argc, char *argv[]) | |
064af421 | 81 | { |
064af421 | 82 | set_program_name(argv[0]); |
675febfa | 83 | parse_options(argc, argv); |
064af421 | 84 | signal(SIGPIPE, SIG_IGN); |
675febfa | 85 | run_command(argc - optind, argv + optind, all_commands); |
064af421 BP |
86 | return 0; |
87 | } | |
88 | ||
89 | static void | |
675febfa | 90 | parse_options(int argc, char *argv[]) |
064af421 BP |
91 | { |
92 | enum { | |
87c84891 | 93 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 94 | OPT_READD, |
1eb85ef5 | 95 | DAEMON_OPTION_ENUMS, |
87c84891 | 96 | VLOG_OPTION_ENUMS |
064af421 BP |
97 | }; |
98 | static struct option long_options[] = { | |
e3c17733 BP |
99 | {"timeout", required_argument, NULL, 't'}, |
100 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 101 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 BP |
102 | {"flow-format", required_argument, NULL, 'F'}, |
103 | {"more", no_argument, NULL, 'm'}, | |
104 | {"help", no_argument, NULL, 'h'}, | |
105 | {"version", no_argument, NULL, 'V'}, | |
1eb85ef5 | 106 | DAEMON_LONG_OPTIONS, |
87c84891 | 107 | VLOG_LONG_OPTIONS, |
bf8f2167 | 108 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 109 | {NULL, 0, NULL, 0}, |
064af421 BP |
110 | }; |
111 | char *short_options = long_options_to_short_options(long_options); | |
112 | ||
064af421 BP |
113 | for (;;) { |
114 | unsigned long int timeout; | |
115 | int c; | |
116 | ||
117 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
118 | if (c == -1) { | |
119 | break; | |
120 | } | |
121 | ||
122 | switch (c) { | |
123 | case 't': | |
124 | timeout = strtoul(optarg, NULL, 10); | |
125 | if (timeout <= 0) { | |
126 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
127 | optarg); | |
128 | } else { | |
129 | time_alarm(timeout); | |
130 | } | |
131 | break; | |
132 | ||
88ca35ee BP |
133 | case 'F': |
134 | preferred_flow_format = ofputil_flow_format_from_string(optarg); | |
135 | if (preferred_flow_format < 0) { | |
136 | ovs_fatal(0, "unknown flow format `%s'", optarg); | |
137 | } | |
138 | break; | |
139 | ||
4f564f8d BP |
140 | case 'm': |
141 | verbosity++; | |
142 | break; | |
143 | ||
064af421 BP |
144 | case 'h': |
145 | usage(); | |
146 | ||
147 | case 'V': | |
55d5bb44 | 148 | ovs_print_version(OFP_VERSION, OFP_VERSION); |
064af421 BP |
149 | exit(EXIT_SUCCESS); |
150 | ||
064af421 | 151 | case OPT_STRICT: |
675febfa | 152 | strict = true; |
064af421 BP |
153 | break; |
154 | ||
c4ea79bf BP |
155 | case OPT_READD: |
156 | readd = true; | |
157 | break; | |
158 | ||
1eb85ef5 | 159 | DAEMON_OPTION_HANDLERS |
87c84891 | 160 | VLOG_OPTION_HANDLERS |
fe55ad15 | 161 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
162 | |
163 | case '?': | |
164 | exit(EXIT_FAILURE); | |
165 | ||
166 | default: | |
167 | abort(); | |
168 | } | |
169 | } | |
170 | free(short_options); | |
171 | } | |
172 | ||
173 | static void | |
174 | usage(void) | |
175 | { | |
176 | printf("%s: OpenFlow switch management utility\n" | |
177 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
178 | "\nFor OpenFlow switches:\n" | |
179 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
180 | " dump-desc SWITCH print switch description\n" |
181 | " dump-tables SWITCH print table stats\n" | |
182 | " mod-port SWITCH IFACE ACT modify port behavior\n" | |
7257b535 BP |
183 | " get-frags SWITCH print fragment handling behavior\n" |
184 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
abaad8cf | 185 | " dump-ports SWITCH [PORT] print port statistics\n" |
064af421 BP |
186 | " dump-flows SWITCH print all flow entries\n" |
187 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
188 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
189 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 190 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
191 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
192 | " add-flows SWITCH FILE add flows from FILE\n" | |
193 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
194 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 195 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
a6bc4a03 | 196 | " monitor SWITCH [MISSLEN] print packets received from SWITCH\n" |
064af421 | 197 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
198 | " probe TARGET probe whether TARGET is up\n" |
199 | " ping TARGET [N] latency of N-byte echos\n" | |
200 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
201 | "where SWITCH or TARGET is an active OpenFlow connection method.\n", | |
064af421 BP |
202 | program_name, program_name); |
203 | vconn_usage(true, false, false); | |
1eb85ef5 | 204 | daemon_usage(); |
064af421 BP |
205 | vlog_usage(); |
206 | printf("\nOther options:\n" | |
207 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 208 | " --readd replace flows that haven't changed\n" |
88ca35ee | 209 | " -F, --flow-format=FORMAT force particular flow format\n" |
4f564f8d | 210 | " -m, --more be more verbose printing OpenFlow\n" |
064af421 BP |
211 | " -t, --timeout=SECS give up after SECS seconds\n" |
212 | " -h, --help display this help message\n" | |
213 | " -V, --version display version information\n"); | |
214 | exit(EXIT_SUCCESS); | |
215 | } | |
216 | ||
1eb85ef5 EJ |
217 | static void |
218 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
219 | const char *argv[] OVS_UNUSED, void *exiting_) | |
220 | { | |
221 | bool *exiting = exiting_; | |
222 | *exiting = true; | |
223 | unixctl_command_reply(conn, 200, ""); | |
224 | } | |
225 | ||
064af421 BP |
226 | static void run(int retval, const char *message, ...) |
227 | PRINTF_FORMAT(2, 3); | |
228 | ||
229 | static void run(int retval, const char *message, ...) | |
230 | { | |
231 | if (retval) { | |
232 | va_list args; | |
233 | ||
064af421 | 234 | va_start(args, message); |
fcaddd4d | 235 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
236 | } |
237 | } | |
238 | \f | |
239 | /* Generic commands. */ | |
240 | ||
1a6f1e2a JG |
241 | static void |
242 | open_vconn_socket(const char *name, struct vconn **vconnp) | |
243 | { | |
244 | char *vconn_name = xasprintf("unix:%s", name); | |
24cd0dee | 245 | VLOG_DBG("connecting to %s", vconn_name); |
1a6f1e2a JG |
246 | run(vconn_open_block(vconn_name, OFP_VERSION, vconnp), |
247 | "connecting to %s", vconn_name); | |
248 | free(vconn_name); | |
249 | } | |
250 | ||
064af421 | 251 | static void |
0caf6bde BP |
252 | open_vconn__(const char *name, const char *default_suffix, |
253 | struct vconn **vconnp) | |
064af421 | 254 | { |
63d347ce BP |
255 | char *datapath_name, *datapath_type, *socket_name; |
256 | char *bridge_path; | |
064af421 | 257 | struct stat s; |
1a6f1e2a | 258 | |
b43c6fe2 | 259 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, default_suffix); |
63d347ce BP |
260 | |
261 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
262 | socket_name = xasprintf("%s/%s.%s", | |
263 | ovs_rundir(), datapath_name, default_suffix); | |
264 | free(datapath_name); | |
265 | free(datapath_type); | |
064af421 | 266 | |
3a27375e | 267 | if (strchr(name, ':')) { |
064af421 BP |
268 | run(vconn_open_block(name, OFP_VERSION, vconnp), |
269 | "connecting to %s", name); | |
270 | } else if (!stat(name, &s) && S_ISSOCK(s.st_mode)) { | |
1a6f1e2a JG |
271 | open_vconn_socket(name, vconnp); |
272 | } else if (!stat(bridge_path, &s) && S_ISSOCK(s.st_mode)) { | |
273 | open_vconn_socket(bridge_path, vconnp); | |
63d347ce BP |
274 | } else if (!stat(socket_name, &s)) { |
275 | if (!S_ISSOCK(s.st_mode)) { | |
064af421 BP |
276 | ovs_fatal(0, "cannot connect to %s: %s is not a socket", |
277 | name, socket_name); | |
278 | } | |
1a6f1e2a | 279 | open_vconn_socket(socket_name, vconnp); |
064af421 | 280 | } else { |
2c0e6eb4 | 281 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 282 | } |
1a6f1e2a | 283 | |
1a6f1e2a | 284 | free(bridge_path); |
63d347ce | 285 | free(socket_name); |
064af421 BP |
286 | } |
287 | ||
0caf6bde BP |
288 | static void |
289 | open_vconn(const char *name, struct vconn **vconnp) | |
290 | { | |
291 | return open_vconn__(name, "mgmt", vconnp); | |
292 | } | |
293 | ||
064af421 | 294 | static void * |
eaa6eb2a | 295 | alloc_stats_request(size_t rq_len, uint16_t type, struct ofpbuf **bufferp) |
064af421 | 296 | { |
28c8bad1 | 297 | struct ofp_stats_msg *rq; |
eaa6eb2a BP |
298 | |
299 | rq = make_openflow(rq_len, OFPT_STATS_REQUEST, bufferp); | |
064af421 BP |
300 | rq->type = htons(type); |
301 | rq->flags = htons(0); | |
eaa6eb2a | 302 | return rq; |
064af421 BP |
303 | } |
304 | ||
305 | static void | |
306 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
307 | { | |
308 | update_openflow_length(buffer); | |
309 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); | |
310 | } | |
311 | ||
312 | static void | |
313 | dump_transaction(const char *vconn_name, struct ofpbuf *request) | |
314 | { | |
315 | struct vconn *vconn; | |
316 | struct ofpbuf *reply; | |
317 | ||
318 | update_openflow_length(request); | |
319 | open_vconn(vconn_name, &vconn); | |
320 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); | |
4f564f8d | 321 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 BP |
322 | vconn_close(vconn); |
323 | } | |
324 | ||
325 | static void | |
326 | dump_trivial_transaction(const char *vconn_name, uint8_t request_type) | |
327 | { | |
328 | struct ofpbuf *request; | |
329 | make_openflow(sizeof(struct ofp_header), request_type, &request); | |
330 | dump_transaction(vconn_name, request); | |
331 | } | |
332 | ||
333 | static void | |
334 | dump_stats_transaction(const char *vconn_name, struct ofpbuf *request) | |
335 | { | |
44381c1b | 336 | ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid; |
064af421 BP |
337 | struct vconn *vconn; |
338 | bool done = false; | |
339 | ||
340 | open_vconn(vconn_name, &vconn); | |
341 | send_openflow_buffer(vconn, request); | |
342 | while (!done) { | |
02833365 | 343 | ovs_be32 recv_xid; |
064af421 BP |
344 | struct ofpbuf *reply; |
345 | ||
346 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
347 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
348 | if (send_xid == recv_xid) { | |
28c8bad1 | 349 | struct ofp_stats_msg *osm; |
064af421 | 350 | |
4f564f8d | 351 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 352 | |
28c8bad1 BP |
353 | osm = ofpbuf_at(reply, 0, sizeof *osm); |
354 | done = !osm || !(ntohs(osm->flags) & OFPSF_REPLY_MORE); | |
064af421 BP |
355 | } else { |
356 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
357 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
358 | } | |
359 | ofpbuf_delete(reply); | |
360 | } | |
361 | vconn_close(vconn); | |
362 | } | |
363 | ||
364 | static void | |
365 | dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type) | |
366 | { | |
367 | struct ofpbuf *request; | |
eaa6eb2a | 368 | alloc_stats_request(sizeof(struct ofp_stats_msg), stats_type, &request); |
064af421 BP |
369 | dump_stats_transaction(vconn_name, request); |
370 | } | |
371 | ||
d12513f7 BP |
372 | /* Sends 'request', which should be a request that only has a reply if an error |
373 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
374 | * it and exits with an error. |
375 | * | |
376 | * Destroys all of the 'requests'. */ | |
d12513f7 | 377 | static void |
88ca35ee | 378 | transact_multiple_noreply(struct vconn *vconn, struct list *requests) |
d12513f7 | 379 | { |
88ca35ee | 380 | struct ofpbuf *request, *reply; |
d12513f7 | 381 | |
88ca35ee BP |
382 | LIST_FOR_EACH (request, list_node, requests) { |
383 | update_openflow_length(request); | |
384 | } | |
385 | ||
386 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
387 | "talking to %s", vconn_get_name(vconn)); |
388 | if (reply) { | |
4f564f8d | 389 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
390 | exit(1); |
391 | } | |
392 | ofpbuf_delete(reply); | |
393 | } | |
394 | ||
88ca35ee BP |
395 | /* Sends 'request', which should be a request that only has a reply if an error |
396 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
397 | * it and exits with an error. |
398 | * | |
399 | * Destroys 'request'. */ | |
88ca35ee BP |
400 | static void |
401 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
402 | { | |
403 | struct list requests; | |
404 | ||
405 | list_init(&requests); | |
406 | list_push_back(&requests, &request->list_node); | |
407 | transact_multiple_noreply(vconn, &requests); | |
408 | } | |
409 | ||
7257b535 BP |
410 | static void |
411 | fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
412 | { | |
413 | struct ofp_switch_config *config; | |
414 | struct ofp_header *header; | |
415 | struct ofpbuf *request; | |
416 | struct ofpbuf *reply; | |
417 | ||
418 | make_openflow(sizeof(struct ofp_header), OFPT_GET_CONFIG_REQUEST, | |
419 | &request); | |
420 | run(vconn_transact(vconn, request, &reply), | |
421 | "talking to %s", vconn_get_name(vconn)); | |
422 | ||
423 | header = reply->data; | |
424 | if (header->type != OFPT_GET_CONFIG_REPLY || | |
425 | header->length != htons(sizeof *config)) { | |
426 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); | |
427 | } | |
428 | ||
429 | config = reply->data; | |
430 | *config_ = *config; | |
431 | } | |
432 | ||
433 | static void | |
434 | set_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
435 | { | |
436 | struct ofp_switch_config *config; | |
437 | struct ofp_header save_header; | |
438 | struct ofpbuf *request; | |
439 | ||
440 | config = make_openflow(sizeof *config, OFPT_SET_CONFIG, &request); | |
441 | save_header = config->header; | |
442 | *config = *config_; | |
443 | config->header = save_header; | |
444 | ||
445 | transact_noreply(vconn, request); | |
446 | } | |
447 | ||
064af421 | 448 | static void |
c69ee87c | 449 | do_show(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
450 | { |
451 | dump_trivial_transaction(argv[1], OFPT_FEATURES_REQUEST); | |
452 | dump_trivial_transaction(argv[1], OFPT_GET_CONFIG_REQUEST); | |
453 | } | |
454 | ||
064af421 | 455 | static void |
c69ee87c | 456 | do_dump_desc(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
457 | { |
458 | dump_trivial_stats_transaction(argv[1], OFPST_DESC); | |
459 | } | |
460 | ||
461 | static void | |
c69ee87c | 462 | do_dump_tables(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
463 | { |
464 | dump_trivial_stats_transaction(argv[1], OFPST_TABLE); | |
465 | } | |
466 | ||
0df0e81d BP |
467 | /* Opens a connection to 'vconn_name', fetches the ofp_phy_port structure for |
468 | * 'port_name' (which may be a port name or number), and copies it into | |
469 | * '*oppp'. */ | |
470 | static void | |
471 | fetch_ofp_phy_port(const char *vconn_name, const char *port_name, | |
472 | struct ofp_phy_port *oppp) | |
abaad8cf JP |
473 | { |
474 | struct ofpbuf *request, *reply; | |
475 | struct ofp_switch_features *osf; | |
0df0e81d | 476 | unsigned int port_no; |
abaad8cf JP |
477 | struct vconn *vconn; |
478 | int n_ports; | |
479 | int port_idx; | |
abaad8cf | 480 | |
0df0e81d BP |
481 | /* Try to interpret the argument as a port number. */ |
482 | if (!str_to_uint(port_name, 10, &port_no)) { | |
483 | port_no = UINT_MAX; | |
abaad8cf JP |
484 | } |
485 | ||
0df0e81d | 486 | /* Fetch the switch's ofp_switch_features. */ |
abaad8cf JP |
487 | make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request); |
488 | open_vconn(vconn_name, &vconn); | |
489 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); | |
490 | ||
491 | osf = reply->data; | |
0df0e81d BP |
492 | if (reply->size < sizeof *osf) { |
493 | ovs_fatal(0, "%s: received too-short features reply (only %zu bytes)", | |
494 | vconn_name, reply->size); | |
495 | } | |
abaad8cf JP |
496 | n_ports = (reply->size - sizeof *osf) / sizeof *osf->ports; |
497 | ||
498 | for (port_idx = 0; port_idx < n_ports; port_idx++) { | |
0df0e81d BP |
499 | const struct ofp_phy_port *opp = &osf->ports[port_idx]; |
500 | ||
501 | if (port_no != UINT_MAX | |
502 | ? htons(port_no) == opp->port_no | |
0b61210e | 503 | : !strncmp(opp->name, port_name, sizeof opp->name)) { |
0df0e81d BP |
504 | *oppp = *opp; |
505 | ofpbuf_delete(reply); | |
506 | vconn_close(vconn); | |
507 | return; | |
abaad8cf JP |
508 | } |
509 | } | |
0df0e81d BP |
510 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); |
511 | } | |
abaad8cf | 512 | |
0df0e81d BP |
513 | /* Returns the port number corresponding to 'port_name' (which may be a port |
514 | * name or number) within the switch 'vconn_name'. */ | |
515 | static uint16_t | |
516 | str_to_port_no(const char *vconn_name, const char *port_name) | |
517 | { | |
518 | unsigned int port_no; | |
519 | ||
520 | if (str_to_uint(port_name, 10, &port_no)) { | |
521 | return port_no; | |
522 | } else { | |
523 | struct ofp_phy_port opp; | |
abaad8cf | 524 | |
0df0e81d BP |
525 | fetch_ofp_phy_port(vconn_name, port_name, &opp); |
526 | return ntohs(opp.port_no); | |
527 | } | |
abaad8cf JP |
528 | } |
529 | ||
88ca35ee BP |
530 | static bool |
531 | try_set_flow_format(struct vconn *vconn, enum nx_flow_format flow_format) | |
532 | { | |
533 | struct ofpbuf *sff, *reply; | |
534 | ||
535 | sff = ofputil_make_set_flow_format(flow_format); | |
536 | run(vconn_transact_noreply(vconn, sff, &reply), | |
537 | "talking to %s", vconn_get_name(vconn)); | |
538 | if (reply) { | |
539 | char *s = ofp_to_string(reply->data, reply->size, 2); | |
540 | VLOG_DBG("%s: failed to set flow format %s, controller replied: %s", | |
541 | vconn_get_name(vconn), | |
542 | ofputil_flow_format_to_string(flow_format), | |
543 | s); | |
544 | free(s); | |
545 | ofpbuf_delete(reply); | |
546 | return false; | |
547 | } | |
548 | return true; | |
549 | } | |
550 | ||
064af421 | 551 | static void |
88ca35ee | 552 | set_flow_format(struct vconn *vconn, enum nx_flow_format flow_format) |
064af421 | 553 | { |
88ca35ee BP |
554 | struct ofpbuf *sff = ofputil_make_set_flow_format(flow_format); |
555 | transact_noreply(vconn, sff); | |
556 | VLOG_DBG("%s: using user-specified flow format %s", | |
557 | vconn_get_name(vconn), | |
558 | ofputil_flow_format_to_string(flow_format)); | |
559 | } | |
064af421 | 560 | |
88ca35ee | 561 | static enum nx_flow_format |
0199c526 BP |
562 | negotiate_highest_flow_format(struct vconn *vconn, |
563 | enum nx_flow_format min_format) | |
88ca35ee | 564 | { |
88ca35ee | 565 | if (preferred_flow_format != -1) { |
f9cbfbe4 BP |
566 | if (preferred_flow_format < min_format) { |
567 | ovs_fatal(0, "%s: cannot use requested flow format %s for " | |
568 | "specified flow", vconn_get_name(vconn), | |
569 | ofputil_flow_format_to_string(min_format)); | |
570 | } | |
571 | ||
572 | set_flow_format(vconn, preferred_flow_format); | |
573 | return preferred_flow_format; | |
574 | } else { | |
575 | enum nx_flow_format flow_format; | |
88ca35ee | 576 | |
f9cbfbe4 BP |
577 | if (try_set_flow_format(vconn, NXFF_NXM)) { |
578 | flow_format = NXFF_NXM; | |
f9cbfbe4 BP |
579 | } else { |
580 | flow_format = NXFF_OPENFLOW10; | |
88ca35ee BP |
581 | } |
582 | ||
f9cbfbe4 BP |
583 | if (flow_format < min_format) { |
584 | ovs_fatal(0, "%s: cannot use switch's most advanced flow format " | |
585 | "%s for specified flow", vconn_get_name(vconn), | |
586 | ofputil_flow_format_to_string(min_format)); | |
587 | } | |
88ca35ee | 588 | |
f9cbfbe4 BP |
589 | VLOG_DBG("%s: negotiated flow format %s", vconn_get_name(vconn), |
590 | ofputil_flow_format_to_string(flow_format)); | |
591 | return flow_format; | |
88ca35ee | 592 | } |
064af421 BP |
593 | } |
594 | ||
595 | static void | |
88ca35ee | 596 | do_dump_flows__(int argc, char *argv[], bool aggregate) |
064af421 | 597 | { |
0199c526 | 598 | enum nx_flow_format min_flow_format, flow_format; |
81d1ea94 | 599 | struct ofputil_flow_stats_request fsr; |
064af421 | 600 | struct ofpbuf *request; |
88ca35ee | 601 | struct vconn *vconn; |
064af421 | 602 | |
88ca35ee | 603 | parse_ofp_flow_stats_request_str(&fsr, aggregate, argc > 2 ? argv[2] : ""); |
064af421 | 604 | |
88ca35ee | 605 | open_vconn(argv[1], &vconn); |
b78f6b77 | 606 | min_flow_format = ofputil_min_flow_format(&fsr.match); |
e729e793 JP |
607 | if (fsr.cookie_mask != htonll(0)) { |
608 | min_flow_format = NXFF_NXM; | |
609 | } | |
0199c526 | 610 | flow_format = negotiate_highest_flow_format(vconn, min_flow_format); |
88ca35ee | 611 | request = ofputil_encode_flow_stats_request(&fsr, flow_format); |
064af421 | 612 | dump_stats_transaction(argv[1], request); |
88ca35ee BP |
613 | vconn_close(vconn); |
614 | } | |
615 | ||
616 | static void | |
617 | do_dump_flows(int argc, char *argv[]) | |
618 | { | |
619 | return do_dump_flows__(argc, argv, false); | |
620 | } | |
621 | ||
622 | static void | |
623 | do_dump_aggregate(int argc, char *argv[]) | |
624 | { | |
625 | return do_dump_flows__(argc, argv, true); | |
064af421 BP |
626 | } |
627 | ||
d2805da2 BP |
628 | static void |
629 | do_queue_stats(int argc, char *argv[]) | |
630 | { | |
631 | struct ofp_queue_stats_request *req; | |
632 | struct ofpbuf *request; | |
633 | ||
634 | req = alloc_stats_request(sizeof *req, OFPST_QUEUE, &request); | |
635 | ||
636 | if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) { | |
637 | req->port_no = htons(str_to_port_no(argv[1], argv[2])); | |
638 | } else { | |
639 | req->port_no = htons(OFPP_ALL); | |
640 | } | |
641 | if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) { | |
642 | req->queue_id = htonl(atoi(argv[3])); | |
643 | } else { | |
644 | req->queue_id = htonl(OFPQ_ALL); | |
645 | } | |
646 | ||
647 | memset(req->pad, 0, sizeof req->pad); | |
648 | ||
649 | dump_stats_transaction(argv[1], request); | |
650 | } | |
651 | ||
0fbc9f11 BP |
652 | /* Sets up the flow format for a vconn that will be used to modify the flow |
653 | * table. Returns the flow format used, after possibly adding an OpenFlow | |
654 | * request to 'requests'. | |
655 | * | |
656 | * If 'preferred_flow_format' is -1, returns NXFF_OPENFLOW10 without modifying | |
657 | * 'requests', since NXFF_OPENFLOW10 is the default flow format for any | |
658 | * OpenFlow connection. | |
659 | * | |
660 | * If 'preferred_flow_format' is a specific format, adds a request to set that | |
661 | * format to 'requests' and returns the format. */ | |
662 | static enum nx_flow_format | |
663 | set_initial_format_for_flow_mod(struct list *requests) | |
664 | { | |
665 | if (preferred_flow_format < 0) { | |
666 | return NXFF_OPENFLOW10; | |
667 | } else { | |
668 | struct ofpbuf *sff; | |
669 | ||
670 | sff = ofputil_make_set_flow_format(preferred_flow_format); | |
671 | list_push_back(requests, &sff->list_node); | |
672 | return preferred_flow_format; | |
673 | } | |
674 | } | |
675 | ||
676 | /* Checks that 'flow_format' is acceptable as a flow format after a flow_mod | |
677 | * operation, given the global 'preferred_flow_format'. */ | |
678 | static void | |
679 | check_final_format_for_flow_mod(enum nx_flow_format flow_format) | |
680 | { | |
0199c526 | 681 | if (preferred_flow_format >= 0 && flow_format > preferred_flow_format) { |
0fbc9f11 BP |
682 | ovs_fatal(0, "flow cannot be expressed in flow format %s " |
683 | "(flow format %s or better is required)", | |
684 | ofputil_flow_format_to_string(preferred_flow_format), | |
685 | ofputil_flow_format_to_string(flow_format)); | |
686 | } | |
687 | } | |
688 | ||
064af421 | 689 | static void |
4989c59f | 690 | do_flow_mod_file__(int argc OVS_UNUSED, char *argv[], uint16_t command) |
064af421 | 691 | { |
88ca35ee | 692 | enum nx_flow_format flow_format; |
6c1491fb | 693 | bool flow_mod_table_id; |
88ca35ee | 694 | struct list requests; |
064af421 | 695 | struct vconn *vconn; |
4989c59f BP |
696 | FILE *file; |
697 | ||
698 | file = !strcmp(argv[2], "-") ? stdin : fopen(argv[2], "r"); | |
699 | if (file == NULL) { | |
700 | ovs_fatal(errno, "%s: open", argv[2]); | |
701 | } | |
049c8dc2 | 702 | |
88ca35ee | 703 | list_init(&requests); |
0fbc9f11 | 704 | flow_format = set_initial_format_for_flow_mod(&requests); |
6c1491fb | 705 | flow_mod_table_id = false; |
0fbc9f11 | 706 | |
064af421 | 707 | open_vconn(argv[1], &vconn); |
6c1491fb BP |
708 | while (parse_ofp_flow_mod_file(&requests, &flow_format, &flow_mod_table_id, |
709 | file, command)) { | |
4989c59f BP |
710 | check_final_format_for_flow_mod(flow_format); |
711 | transact_multiple_noreply(vconn, &requests); | |
712 | } | |
064af421 | 713 | vconn_close(vconn); |
064af421 | 714 | |
4989c59f BP |
715 | if (file != stdin) { |
716 | fclose(file); | |
717 | } | |
88ca35ee BP |
718 | } |
719 | ||
064af421 | 720 | static void |
4989c59f | 721 | do_flow_mod__(int argc, char *argv[], uint16_t command) |
064af421 | 722 | { |
88ca35ee | 723 | enum nx_flow_format flow_format; |
6c1491fb | 724 | bool flow_mod_table_id; |
88ca35ee | 725 | struct list requests; |
064af421 | 726 | struct vconn *vconn; |
064af421 | 727 | |
4989c59f BP |
728 | if (argc > 2 && !strcmp(argv[2], "-")) { |
729 | do_flow_mod_file__(argc, argv, command); | |
730 | return; | |
064af421 BP |
731 | } |
732 | ||
88ca35ee | 733 | list_init(&requests); |
0fbc9f11 | 734 | flow_format = set_initial_format_for_flow_mod(&requests); |
6c1491fb | 735 | flow_mod_table_id = false; |
88ca35ee | 736 | |
6c1491fb | 737 | parse_ofp_flow_mod_str(&requests, &flow_format, &flow_mod_table_id, |
ec610b7b | 738 | argc > 2 ? argv[2] : "", command, false); |
4989c59f BP |
739 | check_final_format_for_flow_mod(flow_format); |
740 | ||
064af421 | 741 | open_vconn(argv[1], &vconn); |
4989c59f | 742 | transact_multiple_noreply(vconn, &requests); |
064af421 | 743 | vconn_close(vconn); |
4989c59f | 744 | } |
88ca35ee | 745 | |
4989c59f BP |
746 | static void |
747 | do_add_flow(int argc, char *argv[]) | |
748 | { | |
749 | do_flow_mod__(argc, argv, OFPFC_ADD); | |
750 | } | |
751 | ||
752 | static void | |
753 | do_add_flows(int argc, char *argv[]) | |
754 | { | |
755 | do_flow_mod_file__(argc, argv, OFPFC_ADD); | |
064af421 BP |
756 | } |
757 | ||
758 | static void | |
88ca35ee | 759 | do_mod_flows(int argc, char *argv[]) |
064af421 | 760 | { |
88ca35ee | 761 | do_flow_mod__(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
762 | } |
763 | ||
88ca35ee BP |
764 | static void |
765 | do_del_flows(int argc, char *argv[]) | |
064af421 | 766 | { |
88ca35ee | 767 | do_flow_mod__(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
768 | } |
769 | ||
770 | static void | |
0caf6bde BP |
771 | monitor_vconn(struct vconn *vconn) |
772 | { | |
1eb85ef5 EJ |
773 | struct unixctl_server *server; |
774 | bool exiting = false; | |
775 | int error, fd; | |
776 | ||
777 | /* Daemonization will close stderr but we really want to keep it, so make a | |
778 | * copy. */ | |
779 | fd = dup(STDERR_FILENO); | |
780 | ||
781 | daemonize_start(); | |
782 | error = unixctl_server_create(NULL, &server); | |
783 | if (error) { | |
784 | ovs_fatal(error, "failed to create unixctl server"); | |
785 | } | |
786 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
787 | daemonize_complete(); | |
788 | ||
789 | /* Now get stderr back. */ | |
790 | dup2(fd, STDERR_FILENO); | |
791 | ||
0caf6bde BP |
792 | for (;;) { |
793 | struct ofpbuf *b; | |
1eb85ef5 EJ |
794 | int retval; |
795 | ||
796 | unixctl_server_run(server); | |
797 | ||
798 | for (;;) { | |
799 | retval = vconn_recv(vconn, &b); | |
800 | if (retval == EAGAIN) { | |
801 | break; | |
802 | } | |
803 | ||
804 | run(retval, "vconn_recv"); | |
805 | ofp_print(stderr, b->data, b->size, verbosity + 2); | |
806 | ofpbuf_delete(b); | |
807 | } | |
808 | ||
809 | if (exiting) { | |
810 | break; | |
811 | } | |
812 | ||
813 | vconn_run(vconn); | |
814 | vconn_run_wait(vconn); | |
815 | vconn_recv_wait(vconn); | |
816 | unixctl_server_wait(server); | |
817 | poll_block(); | |
0caf6bde BP |
818 | } |
819 | } | |
820 | ||
821 | static void | |
822 | do_monitor(int argc, char *argv[]) | |
064af421 BP |
823 | { |
824 | struct vconn *vconn; | |
825 | ||
826 | open_vconn(argv[1], &vconn); | |
827 | if (argc > 2) { | |
7257b535 | 828 | struct ofp_switch_config config; |
064af421 | 829 | |
7257b535 BP |
830 | fetch_switch_config(vconn, &config); |
831 | config.miss_send_len = htons(atoi(argv[2])); | |
832 | set_switch_config(vconn, &config); | |
064af421 | 833 | } |
0caf6bde BP |
834 | monitor_vconn(vconn); |
835 | } | |
836 | ||
837 | static void | |
838 | do_snoop(int argc OVS_UNUSED, char *argv[]) | |
839 | { | |
840 | struct vconn *vconn; | |
841 | ||
842 | open_vconn__(argv[1], "snoop", &vconn); | |
843 | monitor_vconn(vconn); | |
064af421 BP |
844 | } |
845 | ||
846 | static void | |
abaad8cf | 847 | do_dump_ports(int argc, char *argv[]) |
064af421 | 848 | { |
abaad8cf JP |
849 | struct ofp_port_stats_request *req; |
850 | struct ofpbuf *request; | |
851 | uint16_t port; | |
852 | ||
853 | req = alloc_stats_request(sizeof *req, OFPST_PORT, &request); | |
854 | port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_NONE; | |
855 | req->port_no = htons(port); | |
856 | dump_stats_transaction(argv[1], request); | |
064af421 BP |
857 | } |
858 | ||
859 | static void | |
c69ee87c | 860 | do_probe(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
861 | { |
862 | struct ofpbuf *request; | |
863 | struct vconn *vconn; | |
864 | struct ofpbuf *reply; | |
865 | ||
866 | make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request); | |
867 | open_vconn(argv[1], &vconn); | |
868 | run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]); | |
869 | if (reply->size != sizeof(struct ofp_header)) { | |
870 | ovs_fatal(0, "reply does not match request"); | |
871 | } | |
872 | ofpbuf_delete(reply); | |
873 | vconn_close(vconn); | |
874 | } | |
875 | ||
876 | static void | |
c69ee87c | 877 | do_mod_port(int argc OVS_UNUSED, char *argv[]) |
064af421 | 878 | { |
064af421 | 879 | struct ofp_port_mod *opm; |
0df0e81d BP |
880 | struct ofp_phy_port opp; |
881 | struct ofpbuf *request; | |
064af421 | 882 | struct vconn *vconn; |
064af421 | 883 | |
0df0e81d | 884 | fetch_ofp_phy_port(argv[1], argv[2], &opp); |
064af421 BP |
885 | |
886 | opm = make_openflow(sizeof(struct ofp_port_mod), OFPT_PORT_MOD, &request); | |
0df0e81d BP |
887 | opm->port_no = opp.port_no; |
888 | memcpy(opm->hw_addr, opp.hw_addr, sizeof opm->hw_addr); | |
064af421 BP |
889 | opm->config = htonl(0); |
890 | opm->mask = htonl(0); | |
891 | opm->advertise = htonl(0); | |
892 | ||
f4866781 | 893 | if (!strcasecmp(argv[3], "up")) { |
064af421 | 894 | opm->mask |= htonl(OFPPC_PORT_DOWN); |
f4866781 | 895 | } else if (!strcasecmp(argv[3], "down")) { |
064af421 BP |
896 | opm->mask |= htonl(OFPPC_PORT_DOWN); |
897 | opm->config |= htonl(OFPPC_PORT_DOWN); | |
f4866781 | 898 | } else if (!strcasecmp(argv[3], "flood")) { |
064af421 | 899 | opm->mask |= htonl(OFPPC_NO_FLOOD); |
f4866781 | 900 | } else if (!strcasecmp(argv[3], "noflood")) { |
064af421 BP |
901 | opm->mask |= htonl(OFPPC_NO_FLOOD); |
902 | opm->config |= htonl(OFPPC_NO_FLOOD); | |
451256f6 EJ |
903 | } else if (!strcasecmp(argv[3], "forward")) { |
904 | opm->mask |= htonl(OFPPC_NO_FWD); | |
905 | } else if (!strcasecmp(argv[3], "noforward")) { | |
906 | opm->mask |= htonl(OFPPC_NO_FWD); | |
907 | opm->config |= htonl(OFPPC_NO_FWD); | |
064af421 BP |
908 | } else { |
909 | ovs_fatal(0, "unknown mod-port command '%s'", argv[3]); | |
910 | } | |
911 | ||
0df0e81d | 912 | open_vconn(argv[1], &vconn); |
88ca35ee | 913 | transact_noreply(vconn, request); |
064af421 BP |
914 | vconn_close(vconn); |
915 | } | |
916 | ||
7257b535 BP |
917 | static void |
918 | do_get_frags(int argc OVS_UNUSED, char *argv[]) | |
919 | { | |
920 | struct ofp_switch_config config; | |
921 | struct vconn *vconn; | |
922 | ||
923 | open_vconn(argv[1], &vconn); | |
924 | fetch_switch_config(vconn, &config); | |
925 | puts(ofputil_frag_handling_to_string(ntohs(config.flags))); | |
926 | vconn_close(vconn); | |
927 | } | |
928 | ||
929 | static void | |
930 | do_set_frags(int argc OVS_UNUSED, char *argv[]) | |
931 | { | |
932 | struct ofp_switch_config config; | |
933 | enum ofp_config_flags mode; | |
934 | struct vconn *vconn; | |
935 | ovs_be16 flags; | |
936 | ||
937 | if (!ofputil_frag_handling_from_string(argv[2], &mode)) { | |
938 | ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]); | |
939 | } | |
940 | ||
941 | open_vconn(argv[1], &vconn); | |
942 | fetch_switch_config(vconn, &config); | |
943 | flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK)); | |
944 | if (flags != config.flags) { | |
945 | /* Set the configuration. */ | |
946 | config.flags = flags; | |
947 | set_switch_config(vconn, &config); | |
948 | ||
949 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
950 | * doesn't define error reporting for bad modes, so this is all we can | |
951 | * do. */ | |
952 | fetch_switch_config(vconn, &config); | |
953 | if (flags != config.flags) { | |
954 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " | |
955 | "switch probably doesn't support mode \"%s\")", | |
956 | argv[1], ofputil_frag_handling_to_string(mode)); | |
957 | } | |
958 | } | |
959 | vconn_close(vconn); | |
960 | } | |
961 | ||
064af421 | 962 | static void |
675febfa | 963 | do_ping(int argc, char *argv[]) |
064af421 BP |
964 | { |
965 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
966 | unsigned int payload; | |
967 | struct vconn *vconn; | |
968 | int i; | |
969 | ||
970 | payload = argc > 2 ? atoi(argv[2]) : 64; | |
971 | if (payload > max_payload) { | |
972 | ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload); | |
973 | } | |
974 | ||
975 | open_vconn(argv[1], &vconn); | |
976 | for (i = 0; i < 10; i++) { | |
977 | struct timeval start, end; | |
978 | struct ofpbuf *request, *reply; | |
979 | struct ofp_header *rq_hdr, *rpy_hdr; | |
980 | ||
981 | rq_hdr = make_openflow(sizeof(struct ofp_header) + payload, | |
982 | OFPT_ECHO_REQUEST, &request); | |
983 | random_bytes(rq_hdr + 1, payload); | |
984 | ||
279c9e03 | 985 | xgettimeofday(&start); |
064af421 | 986 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 987 | xgettimeofday(&end); |
064af421 BP |
988 | |
989 | rpy_hdr = reply->data; | |
990 | if (reply->size != request->size | |
991 | || memcmp(rpy_hdr + 1, rq_hdr + 1, payload) | |
992 | || rpy_hdr->xid != rq_hdr->xid | |
993 | || rpy_hdr->type != OFPT_ECHO_REPLY) { | |
994 | printf("Reply does not match request. Request:\n"); | |
4f564f8d | 995 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 996 | printf("Reply:\n"); |
4f564f8d | 997 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 998 | } |
2886875a | 999 | printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
44381c1b | 1000 | reply->size - sizeof *rpy_hdr, argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
1001 | (1000*(double)(end.tv_sec - start.tv_sec)) |
1002 | + (.001*(end.tv_usec - start.tv_usec))); | |
1003 | ofpbuf_delete(request); | |
1004 | ofpbuf_delete(reply); | |
1005 | } | |
1006 | vconn_close(vconn); | |
1007 | } | |
1008 | ||
1009 | static void | |
c69ee87c | 1010 | do_benchmark(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
1011 | { |
1012 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
1013 | struct timeval start, end; | |
1014 | unsigned int payload_size, message_size; | |
1015 | struct vconn *vconn; | |
1016 | double duration; | |
1017 | int count; | |
1018 | int i; | |
1019 | ||
1020 | payload_size = atoi(argv[2]); | |
1021 | if (payload_size > max_payload) { | |
1022 | ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload); | |
1023 | } | |
1024 | message_size = sizeof(struct ofp_header) + payload_size; | |
1025 | ||
1026 | count = atoi(argv[3]); | |
1027 | ||
1028 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
1029 | count, message_size, count * message_size); | |
1030 | ||
1031 | open_vconn(argv[1], &vconn); | |
279c9e03 | 1032 | xgettimeofday(&start); |
064af421 BP |
1033 | for (i = 0; i < count; i++) { |
1034 | struct ofpbuf *request, *reply; | |
1035 | struct ofp_header *rq_hdr; | |
1036 | ||
1037 | rq_hdr = make_openflow(message_size, OFPT_ECHO_REQUEST, &request); | |
1038 | memset(rq_hdr + 1, 0, payload_size); | |
1039 | run(vconn_transact(vconn, request, &reply), "transact"); | |
1040 | ofpbuf_delete(reply); | |
1041 | } | |
279c9e03 | 1042 | xgettimeofday(&end); |
064af421 BP |
1043 | vconn_close(vconn); |
1044 | ||
1045 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
1046 | + (.001*(end.tv_usec - start.tv_usec))); | |
1047 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
1048 | duration, count / (duration / 1000.0), | |
1049 | count * message_size / (duration / 1000.0)); | |
1050 | } | |
1051 | ||
09246b99 BP |
1052 | static void |
1053 | do_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
1054 | { | |
1055 | usage(); | |
1056 | } | |
1057 | \f | |
0199c526 BP |
1058 | /* replace-flows and diff-flows commands. */ |
1059 | ||
1060 | /* A flow table entry, possibly with two different versions. */ | |
1061 | struct fte { | |
1062 | struct cls_rule rule; /* Within a "struct classifier". */ | |
1063 | struct fte_version *versions[2]; | |
1064 | }; | |
1065 | ||
1066 | /* One version of a Flow Table Entry. */ | |
1067 | struct fte_version { | |
1068 | ovs_be64 cookie; | |
1069 | uint16_t idle_timeout; | |
1070 | uint16_t hard_timeout; | |
1071 | uint16_t flags; | |
1072 | union ofp_action *actions; | |
1073 | size_t n_actions; | |
1074 | }; | |
1075 | ||
1076 | /* Frees 'version' and the data that it owns. */ | |
1077 | static void | |
1078 | fte_version_free(struct fte_version *version) | |
1079 | { | |
1080 | if (version) { | |
1081 | free(version->actions); | |
1082 | free(version); | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
1087 | * | |
1088 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
1089 | * an OpenFlow switch. We have to assume that they are the same. */ | |
1090 | static bool | |
1091 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
1092 | { | |
1093 | return (a->cookie == b->cookie | |
1094 | && a->idle_timeout == b->idle_timeout | |
1095 | && a->hard_timeout == b->hard_timeout | |
1096 | && a->n_actions == b->n_actions | |
1097 | && !memcmp(a->actions, b->actions, | |
1098 | a->n_actions * sizeof *a->actions)); | |
1099 | } | |
1100 | ||
1101 | /* Prints 'version' on stdout. Expects the caller to have printed the rule | |
1102 | * associated with the version. */ | |
1103 | static void | |
1104 | fte_version_print(const struct fte_version *version) | |
1105 | { | |
1106 | struct ds s; | |
1107 | ||
1108 | if (version->cookie != htonll(0)) { | |
1109 | printf(" cookie=0x%"PRIx64, ntohll(version->cookie)); | |
1110 | } | |
1111 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
1112 | printf(" idle_timeout=%"PRIu16, version->idle_timeout); | |
1113 | } | |
1114 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
1115 | printf(" hard_timeout=%"PRIu16, version->hard_timeout); | |
1116 | } | |
1117 | ||
1118 | ds_init(&s); | |
b4b8c781 | 1119 | ofp_print_actions(&s, version->actions, version->n_actions); |
0199c526 BP |
1120 | printf(" %s\n", ds_cstr(&s)); |
1121 | ds_destroy(&s); | |
1122 | } | |
1123 | ||
1124 | static struct fte * | |
1125 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
1126 | { | |
1127 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
1128 | } | |
1129 | ||
1130 | /* Frees 'fte' and its versions. */ | |
1131 | static void | |
1132 | fte_free(struct fte *fte) | |
1133 | { | |
1134 | if (fte) { | |
1135 | fte_version_free(fte->versions[0]); | |
1136 | fte_version_free(fte->versions[1]); | |
1137 | free(fte); | |
1138 | } | |
1139 | } | |
1140 | ||
1141 | /* Frees all of the FTEs within 'cls'. */ | |
1142 | static void | |
1143 | fte_free_all(struct classifier *cls) | |
1144 | { | |
1145 | struct cls_cursor cursor; | |
1146 | struct fte *fte, *next; | |
1147 | ||
1148 | cls_cursor_init(&cursor, cls, NULL); | |
1149 | CLS_CURSOR_FOR_EACH_SAFE (fte, next, rule, &cursor) { | |
1150 | classifier_remove(cls, &fte->rule); | |
1151 | fte_free(fte); | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | /* Searches 'cls' for an FTE matching 'rule', inserting a new one if | |
1156 | * necessary. Sets 'version' as the version of that rule with the given | |
1157 | * 'index', replacing any existing version, if any. | |
1158 | * | |
1159 | * Takes ownership of 'version'. */ | |
1160 | static void | |
1161 | fte_insert(struct classifier *cls, const struct cls_rule *rule, | |
1162 | struct fte_version *version, int index) | |
1163 | { | |
1164 | struct fte *old, *fte; | |
1165 | ||
1166 | fte = xzalloc(sizeof *fte); | |
1167 | fte->rule = *rule; | |
1168 | fte->versions[index] = version; | |
1169 | ||
08944c1d | 1170 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule)); |
0199c526 BP |
1171 | if (old) { |
1172 | fte_version_free(old->versions[index]); | |
1173 | fte->versions[!index] = old->versions[!index]; | |
1174 | free(old); | |
1175 | } | |
1176 | } | |
1177 | ||
1178 | /* Reads the flows in 'filename' as flow table entries in 'cls' for the version | |
1179 | * with the specified 'index'. Returns the minimum flow format required to | |
1180 | * represent the flows that were read. */ | |
1181 | static enum nx_flow_format | |
1182 | read_flows_from_file(const char *filename, struct classifier *cls, int index) | |
1183 | { | |
1184 | enum nx_flow_format min_flow_format; | |
1185 | struct ds s; | |
1186 | FILE *file; | |
1187 | ||
1188 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
1189 | if (file == NULL) { | |
1190 | ovs_fatal(errno, "%s: open", filename); | |
1191 | } | |
1192 | ||
1193 | ds_init(&s); | |
1194 | min_flow_format = NXFF_OPENFLOW10; | |
1195 | while (!ds_get_preprocessed_line(&s, file)) { | |
1196 | struct fte_version *version; | |
a9a2da38 | 1197 | struct ofputil_flow_mod fm; |
0199c526 | 1198 | enum nx_flow_format min_ff; |
0199c526 | 1199 | |
c821124b | 1200 | parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), true); |
0199c526 BP |
1201 | |
1202 | version = xmalloc(sizeof *version); | |
1203 | version->cookie = fm.cookie; | |
1204 | version->idle_timeout = fm.idle_timeout; | |
1205 | version->hard_timeout = fm.hard_timeout; | |
1206 | version->flags = fm.flags & (OFPFF_SEND_FLOW_REM | OFPFF_EMERG); | |
e89993f3 BP |
1207 | version->actions = fm.actions; |
1208 | version->n_actions = fm.n_actions; | |
0199c526 | 1209 | |
b78f6b77 | 1210 | min_ff = ofputil_min_flow_format(&fm.cr); |
0199c526 BP |
1211 | min_flow_format = MAX(min_flow_format, min_ff); |
1212 | check_final_format_for_flow_mod(min_flow_format); | |
1213 | ||
1214 | fte_insert(cls, &fm.cr, version, index); | |
1215 | } | |
1216 | ds_destroy(&s); | |
1217 | ||
1218 | if (file != stdin) { | |
1219 | fclose(file); | |
1220 | } | |
1221 | ||
1222 | return min_flow_format; | |
1223 | } | |
1224 | ||
1225 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow | |
1226 | * format 'flow_format', and adds them as flow table entries in 'cls' for the | |
1227 | * version with the specified 'index'. */ | |
1228 | static void | |
1229 | read_flows_from_switch(struct vconn *vconn, enum nx_flow_format flow_format, | |
1230 | struct classifier *cls, int index) | |
1231 | { | |
81d1ea94 | 1232 | struct ofputil_flow_stats_request fsr; |
0199c526 BP |
1233 | struct ofpbuf *request; |
1234 | ovs_be32 send_xid; | |
1235 | bool done; | |
1236 | ||
1237 | fsr.aggregate = false; | |
1238 | cls_rule_init_catchall(&fsr.match, 0); | |
1239 | fsr.out_port = OFPP_NONE; | |
1240 | fsr.table_id = 0xff; | |
ecc798ab | 1241 | fsr.cookie = fsr.cookie_mask = htonll(0); |
0199c526 BP |
1242 | request = ofputil_encode_flow_stats_request(&fsr, flow_format); |
1243 | send_xid = ((struct ofp_header *) request->data)->xid; | |
1244 | send_openflow_buffer(vconn, request); | |
1245 | ||
1246 | done = false; | |
1247 | while (!done) { | |
1248 | ovs_be32 recv_xid; | |
1249 | struct ofpbuf *reply; | |
1250 | ||
1251 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
1252 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
1253 | if (send_xid == recv_xid) { | |
1254 | const struct ofputil_msg_type *type; | |
28c8bad1 | 1255 | const struct ofp_stats_msg *osm; |
0199c526 BP |
1256 | enum ofputil_msg_code code; |
1257 | ||
1258 | ofputil_decode_msg_type(reply->data, &type); | |
1259 | code = ofputil_msg_type_code(type); | |
1260 | if (code != OFPUTIL_OFPST_FLOW_REPLY && | |
1261 | code != OFPUTIL_NXST_FLOW_REPLY) { | |
1262 | ovs_fatal(0, "received bad reply: %s", | |
1263 | ofp_to_string(reply->data, reply->size, | |
1264 | verbosity + 1)); | |
1265 | } | |
1266 | ||
28c8bad1 BP |
1267 | osm = reply->data; |
1268 | if (!(osm->flags & htons(OFPSF_REPLY_MORE))) { | |
0199c526 BP |
1269 | done = true; |
1270 | } | |
1271 | ||
1272 | for (;;) { | |
1273 | struct fte_version *version; | |
1274 | struct ofputil_flow_stats fs; | |
1275 | int retval; | |
1276 | ||
b78f6b77 | 1277 | retval = ofputil_decode_flow_stats_reply(&fs, reply); |
0199c526 BP |
1278 | if (retval) { |
1279 | if (retval != EOF) { | |
1280 | ovs_fatal(0, "parse error in reply"); | |
1281 | } | |
1282 | break; | |
1283 | } | |
1284 | ||
1285 | version = xmalloc(sizeof *version); | |
1286 | version->cookie = fs.cookie; | |
1287 | version->idle_timeout = fs.idle_timeout; | |
1288 | version->hard_timeout = fs.hard_timeout; | |
1289 | version->flags = 0; | |
1290 | version->n_actions = fs.n_actions; | |
1291 | version->actions = xmemdup(fs.actions, | |
1292 | fs.n_actions * sizeof *fs.actions); | |
1293 | ||
1294 | fte_insert(cls, &fs.rule, version, index); | |
1295 | } | |
0199c526 BP |
1296 | } else { |
1297 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
1298 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
1299 | } | |
1300 | ofpbuf_delete(reply); | |
1301 | } | |
1302 | } | |
1303 | ||
1304 | static void | |
1305 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
1306 | enum nx_flow_format flow_format, struct list *packets) | |
1307 | { | |
1308 | const struct fte_version *version = fte->versions[index]; | |
a9a2da38 | 1309 | struct ofputil_flow_mod fm; |
0199c526 BP |
1310 | struct ofpbuf *ofm; |
1311 | ||
1312 | fm.cr = fte->rule; | |
1313 | fm.cookie = version->cookie; | |
6c1491fb | 1314 | fm.table_id = 0xff; |
0199c526 BP |
1315 | fm.command = command; |
1316 | fm.idle_timeout = version->idle_timeout; | |
1317 | fm.hard_timeout = version->hard_timeout; | |
1318 | fm.buffer_id = UINT32_MAX; | |
1319 | fm.out_port = OFPP_NONE; | |
1320 | fm.flags = version->flags; | |
1321 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || | |
1322 | command == OFPFC_MODIFY_STRICT) { | |
1323 | fm.actions = version->actions; | |
1324 | fm.n_actions = version->n_actions; | |
1325 | } else { | |
1326 | fm.actions = NULL; | |
1327 | fm.n_actions = 0; | |
1328 | } | |
1329 | ||
6c1491fb | 1330 | ofm = ofputil_encode_flow_mod(&fm, flow_format, false); |
0199c526 BP |
1331 | list_push_back(packets, &ofm->list_node); |
1332 | } | |
1333 | ||
1334 | static void | |
1335 | do_replace_flows(int argc OVS_UNUSED, char *argv[]) | |
1336 | { | |
1337 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
1338 | enum nx_flow_format min_flow_format, flow_format; | |
1339 | struct cls_cursor cursor; | |
1340 | struct classifier cls; | |
1341 | struct list requests; | |
1342 | struct vconn *vconn; | |
1343 | struct fte *fte; | |
1344 | ||
1345 | classifier_init(&cls); | |
1346 | min_flow_format = read_flows_from_file(argv[2], &cls, FILE_IDX); | |
1347 | ||
1348 | open_vconn(argv[1], &vconn); | |
1349 | flow_format = negotiate_highest_flow_format(vconn, min_flow_format); | |
1350 | read_flows_from_switch(vconn, flow_format, &cls, SWITCH_IDX); | |
1351 | ||
1352 | list_init(&requests); | |
1353 | ||
1354 | /* Delete flows that exist on the switch but not in the file. */ | |
1355 | cls_cursor_init(&cursor, &cls, NULL); | |
1356 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
1357 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
1358 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
1359 | ||
1360 | if (sw_ver && !file_ver) { | |
1361 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
1362 | flow_format, &requests); | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | /* Add flows that exist in the file but not on the switch. | |
1367 | * Update flows that exist in both places but differ. */ | |
1368 | cls_cursor_init(&cursor, &cls, NULL); | |
1369 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
1370 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
1371 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
1372 | ||
c4ea79bf BP |
1373 | if (file_ver |
1374 | && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
0199c526 BP |
1375 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, flow_format, |
1376 | &requests); | |
1377 | } | |
1378 | } | |
1379 | transact_multiple_noreply(vconn, &requests); | |
1380 | vconn_close(vconn); | |
1381 | ||
1382 | fte_free_all(&cls); | |
1383 | } | |
1384 | ||
1385 | static void | |
1386 | read_flows_from_source(const char *source, struct classifier *cls, int index) | |
1387 | { | |
1388 | struct stat s; | |
1389 | ||
1390 | if (source[0] == '/' || source[0] == '.' | |
1391 | || (!strchr(source, ':') && !stat(source, &s))) { | |
1392 | read_flows_from_file(source, cls, index); | |
1393 | } else { | |
1394 | enum nx_flow_format flow_format; | |
1395 | struct vconn *vconn; | |
1396 | ||
1397 | open_vconn(source, &vconn); | |
1398 | flow_format = negotiate_highest_flow_format(vconn, NXFF_OPENFLOW10); | |
1399 | read_flows_from_switch(vconn, flow_format, cls, index); | |
1400 | vconn_close(vconn); | |
1401 | } | |
1402 | } | |
1403 | ||
1404 | static void | |
1405 | do_diff_flows(int argc OVS_UNUSED, char *argv[]) | |
1406 | { | |
1407 | bool differences = false; | |
1408 | struct cls_cursor cursor; | |
1409 | struct classifier cls; | |
1410 | struct fte *fte; | |
1411 | ||
1412 | classifier_init(&cls); | |
1413 | read_flows_from_source(argv[1], &cls, 0); | |
1414 | read_flows_from_source(argv[2], &cls, 1); | |
1415 | ||
1416 | cls_cursor_init(&cursor, &cls, NULL); | |
1417 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
1418 | struct fte_version *a = fte->versions[0]; | |
1419 | struct fte_version *b = fte->versions[1]; | |
1420 | ||
1421 | if (!a || !b || !fte_version_equals(a, b)) { | |
1422 | char *rule_s = cls_rule_to_string(&fte->rule); | |
1423 | if (a) { | |
1424 | printf("-%s", rule_s); | |
1425 | fte_version_print(a); | |
1426 | } | |
1427 | if (b) { | |
1428 | printf("+%s", rule_s); | |
1429 | fte_version_print(b); | |
1430 | } | |
1431 | free(rule_s); | |
1432 | ||
1433 | differences = true; | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | fte_free_all(&cls); | |
1438 | ||
1439 | if (differences) { | |
1440 | exit(2); | |
1441 | } | |
1442 | } | |
1443 | \f | |
09246b99 BP |
1444 | /* Undocumented commands for unit testing. */ |
1445 | ||
770f1f66 BP |
1446 | static void |
1447 | print_packet_list(struct list *packets) | |
1448 | { | |
1449 | struct ofpbuf *packet, *next; | |
1450 | ||
1451 | LIST_FOR_EACH_SAFE (packet, next, list_node, packets) { | |
1452 | ofp_print(stdout, packet->data, packet->size, verbosity); | |
1453 | list_remove(&packet->list_node); | |
1454 | ofpbuf_delete(packet); | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
1459 | * it back to stdout. */ | |
1460 | static void | |
1461 | do_parse_flow(int argc OVS_UNUSED, char *argv[]) | |
1462 | { | |
1463 | enum nx_flow_format flow_format; | |
6c1491fb | 1464 | bool flow_mod_table_id; |
770f1f66 BP |
1465 | struct list packets; |
1466 | ||
1467 | flow_format = NXFF_OPENFLOW10; | |
1468 | if (preferred_flow_format > 0) { | |
1469 | flow_format = preferred_flow_format; | |
1470 | } | |
6c1491fb | 1471 | flow_mod_table_id = false; |
770f1f66 BP |
1472 | |
1473 | list_init(&packets); | |
6c1491fb | 1474 | parse_ofp_flow_mod_str(&packets, &flow_format, &flow_mod_table_id, |
ec610b7b | 1475 | argv[1], OFPFC_ADD, false); |
770f1f66 BP |
1476 | print_packet_list(&packets); |
1477 | } | |
1478 | ||
fec00620 BP |
1479 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
1480 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 BP |
1481 | static void |
1482 | do_parse_flows(int argc OVS_UNUSED, char *argv[]) | |
1483 | { | |
88ca35ee | 1484 | enum nx_flow_format flow_format; |
6c1491fb | 1485 | bool flow_mod_table_id; |
88ca35ee | 1486 | struct list packets; |
0e581146 BP |
1487 | FILE *file; |
1488 | ||
1489 | file = fopen(argv[1], "r"); | |
1490 | if (file == NULL) { | |
6bc797d5 | 1491 | ovs_fatal(errno, "%s: open", argv[1]); |
0e581146 BP |
1492 | } |
1493 | ||
88ca35ee BP |
1494 | flow_format = NXFF_OPENFLOW10; |
1495 | if (preferred_flow_format > 0) { | |
1496 | flow_format = preferred_flow_format; | |
1497 | } | |
6c1491fb | 1498 | flow_mod_table_id = false; |
88ca35ee | 1499 | |
770f1f66 | 1500 | list_init(&packets); |
6c1491fb BP |
1501 | while (parse_ofp_flow_mod_file(&packets, &flow_format, &flow_mod_table_id, |
1502 | file, OFPFC_ADD)) { | |
770f1f66 | 1503 | print_packet_list(&packets); |
0e581146 BP |
1504 | } |
1505 | fclose(file); | |
1506 | } | |
1507 | ||
fec00620 BP |
1508 | /* "parse-nx-match": reads a series of nx_match specifications as strings from |
1509 | * stdin, does some internal fussing with them, and then prints them back as | |
1510 | * strings on stdout. */ | |
064af421 | 1511 | static void |
09246b99 BP |
1512 | do_parse_nx_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
1513 | { | |
1514 | struct ds in; | |
1515 | ||
1516 | ds_init(&in); | |
1517 | while (!ds_get_line(&in, stdin)) { | |
1518 | struct ofpbuf nx_match; | |
1519 | struct cls_rule rule; | |
e729e793 | 1520 | ovs_be64 cookie, cookie_mask; |
09246b99 BP |
1521 | int match_len; |
1522 | int error; | |
1523 | char *s; | |
1524 | ||
1525 | /* Delete comments, skip blank lines. */ | |
1526 | s = ds_cstr(&in); | |
1527 | if (*s == '#') { | |
1528 | puts(s); | |
1529 | continue; | |
1530 | } | |
1531 | if (strchr(s, '#')) { | |
1532 | *strchr(s, '#') = '\0'; | |
1533 | } | |
1534 | if (s[strspn(s, " ")] == '\0') { | |
1535 | putchar('\n'); | |
1536 | continue; | |
1537 | } | |
1538 | ||
1539 | /* Convert string to nx_match. */ | |
1540 | ofpbuf_init(&nx_match, 0); | |
1541 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
1542 | ||
1543 | /* Convert nx_match to cls_rule. */ | |
102ce766 EJ |
1544 | if (strict) { |
1545 | error = nx_pull_match(&nx_match, match_len, 0, &rule, | |
1546 | &cookie, &cookie_mask); | |
1547 | } else { | |
1548 | error = nx_pull_match_loose(&nx_match, match_len, 0, &rule, | |
1549 | &cookie, &cookie_mask); | |
1550 | } | |
1551 | ||
09246b99 BP |
1552 | if (!error) { |
1553 | char *out; | |
1554 | ||
1555 | /* Convert cls_rule back to nx_match. */ | |
1556 | ofpbuf_uninit(&nx_match); | |
1557 | ofpbuf_init(&nx_match, 0); | |
e729e793 | 1558 | match_len = nx_put_match(&nx_match, &rule, cookie, cookie_mask); |
09246b99 BP |
1559 | |
1560 | /* Convert nx_match to string. */ | |
1561 | out = nx_match_to_string(nx_match.data, match_len); | |
1562 | puts(out); | |
1563 | free(out); | |
1564 | } else { | |
db5b4525 EJ |
1565 | printf("nx_pull_match() returned error %x (%s)\n", error, |
1566 | ofputil_error_to_string(error)); | |
09246b99 BP |
1567 | } |
1568 | ||
1569 | ofpbuf_uninit(&nx_match); | |
1570 | } | |
1571 | ds_destroy(&in); | |
064af421 BP |
1572 | } |
1573 | ||
fec00620 BP |
1574 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
1575 | * binary data, interpreting them as an OpenFlow message, and prints the | |
1576 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). */ | |
1577 | static void | |
1578 | do_ofp_print(int argc, char *argv[]) | |
1579 | { | |
1580 | struct ofpbuf packet; | |
1581 | ||
1582 | ofpbuf_init(&packet, strlen(argv[1]) / 2); | |
1583 | if (ofpbuf_put_hex(&packet, argv[1], NULL)[0] != '\0') { | |
1584 | ovs_fatal(0, "trailing garbage following hex bytes"); | |
1585 | } | |
1586 | ofp_print(stdout, packet.data, packet.size, argc > 2 ? atoi(argv[2]) : 2); | |
1587 | ofpbuf_uninit(&packet); | |
1588 | } | |
1589 | ||
675febfa | 1590 | static const struct command all_commands[] = { |
064af421 | 1591 | { "show", 1, 1, do_show }, |
7f1089b5 | 1592 | { "monitor", 1, 2, do_monitor }, |
0caf6bde | 1593 | { "snoop", 1, 1, do_snoop }, |
064af421 BP |
1594 | { "dump-desc", 1, 1, do_dump_desc }, |
1595 | { "dump-tables", 1, 1, do_dump_tables }, | |
1596 | { "dump-flows", 1, 2, do_dump_flows }, | |
1597 | { "dump-aggregate", 1, 2, do_dump_aggregate }, | |
d2805da2 | 1598 | { "queue-stats", 1, 3, do_queue_stats }, |
064af421 BP |
1599 | { "add-flow", 2, 2, do_add_flow }, |
1600 | { "add-flows", 2, 2, do_add_flows }, | |
1601 | { "mod-flows", 2, 2, do_mod_flows }, | |
1602 | { "del-flows", 1, 2, do_del_flows }, | |
0199c526 BP |
1603 | { "replace-flows", 2, 2, do_replace_flows }, |
1604 | { "diff-flows", 2, 2, do_diff_flows }, | |
abaad8cf | 1605 | { "dump-ports", 1, 2, do_dump_ports }, |
064af421 | 1606 | { "mod-port", 3, 3, do_mod_port }, |
7257b535 BP |
1607 | { "get-frags", 1, 1, do_get_frags }, |
1608 | { "set-frags", 2, 2, do_set_frags }, | |
064af421 BP |
1609 | { "probe", 1, 1, do_probe }, |
1610 | { "ping", 1, 2, do_ping }, | |
1611 | { "benchmark", 3, 3, do_benchmark }, | |
064af421 | 1612 | { "help", 0, INT_MAX, do_help }, |
09246b99 BP |
1613 | |
1614 | /* Undocumented commands for testing. */ | |
770f1f66 | 1615 | { "parse-flow", 1, 1, do_parse_flow }, |
09246b99 BP |
1616 | { "parse-flows", 1, 1, do_parse_flows }, |
1617 | { "parse-nx-match", 0, 0, do_parse_nx_match }, | |
fec00620 | 1618 | { "ofp-print", 1, 2, do_ofp_print }, |
09246b99 | 1619 | |
064af421 BP |
1620 | { NULL, 0, 0, NULL }, |
1621 | }; |