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064af421 | 1 | /* |
e0edde6f | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc. |
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> | |
2b07c8b1 | 18 | #include <ctype.h> |
064af421 BP |
19 | #include <errno.h> |
20 | #include <getopt.h> | |
21 | #include <inttypes.h> | |
bd6b7545 | 22 | #include <sys/socket.h> |
064af421 | 23 | #include <net/if.h> |
064af421 | 24 | #include <signal.h> |
064af421 BP |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
1e1d00a5 | 28 | #include <sys/fcntl.h> |
064af421 BP |
29 | #include <sys/stat.h> |
30 | #include <sys/time.h> | |
31 | ||
10a24935 | 32 | #include "byte-order.h" |
09246b99 | 33 | #include "classifier.h" |
064af421 | 34 | #include "command-line.h" |
1eb85ef5 | 35 | #include "daemon.h" |
064af421 BP |
36 | #include "compiler.h" |
37 | #include "dirs.h" | |
09246b99 | 38 | #include "dynamic-string.h" |
09246b99 | 39 | #include "nx-match.h" |
064af421 | 40 | #include "odp-util.h" |
f25d0cf3 | 41 | #include "ofp-actions.h" |
90bf1e07 | 42 | #include "ofp-errors.h" |
f22716dc | 43 | #include "ofp-parse.h" |
064af421 | 44 | #include "ofp-print.h" |
fa37b408 | 45 | #include "ofp-util.h" |
064af421 | 46 | #include "ofpbuf.h" |
63d347ce | 47 | #include "ofproto/ofproto.h" |
064af421 BP |
48 | #include "openflow/nicira-ext.h" |
49 | #include "openflow/openflow.h" | |
0c3d5fc8 | 50 | #include "packets.h" |
1eb85ef5 | 51 | #include "poll-loop.h" |
064af421 | 52 | #include "random.h" |
fe55ad15 | 53 | #include "stream-ssl.h" |
064af421 | 54 | #include "timeval.h" |
1eb85ef5 | 55 | #include "unixctl.h" |
064af421 | 56 | #include "util.h" |
064af421 | 57 | #include "vconn.h" |
5136ce49 | 58 | #include "vlog.h" |
bdcc5925 BP |
59 | #include "meta-flow.h" |
60 | #include "sort.h" | |
064af421 | 61 | |
d98e6007 | 62 | VLOG_DEFINE_THIS_MODULE(ofctl); |
064af421 | 63 | |
102ce766 EJ |
64 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
65 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
66 | */ | |
675febfa | 67 | static bool strict; |
064af421 | 68 | |
96989efc | 69 | /* --readd: If true, on replace-flows, re-add even flows that have not changed |
c4ea79bf BP |
70 | * (to reset flow counters). */ |
71 | static bool readd; | |
72 | ||
27527aa0 BP |
73 | /* -F, --flow-format: Allowed protocols. By default, any protocol is |
74 | * allowed. */ | |
75 | static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY; | |
88ca35ee | 76 | |
54834960 EJ |
77 | /* -P, --packet-in-format: Packet IN format to use in monitor and snoop |
78 | * commands. Either one of NXPIF_* to force a particular packet_in format, or | |
79 | * -1 to let ovs-ofctl choose the default. */ | |
80 | static int preferred_packet_in_format = -1; | |
81 | ||
4f564f8d BP |
82 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
83 | static int verbosity; | |
84 | ||
0c9560b7 BP |
85 | /* --timestamp: Print a timestamp before each received packet on "monitor" and |
86 | * "snoop" command? */ | |
87 | static bool timestamp; | |
88 | ||
bdcc5925 BP |
89 | /* --sort, --rsort: Sort order. */ |
90 | enum sort_order { SORT_ASC, SORT_DESC }; | |
91 | struct sort_criterion { | |
92 | const struct mf_field *field; /* NULL means to sort by priority. */ | |
93 | enum sort_order order; | |
94 | }; | |
95 | static struct sort_criterion *criteria; | |
96 | static size_t n_criteria, allocated_criteria; | |
97 | ||
675febfa | 98 | static const struct command all_commands[]; |
064af421 BP |
99 | |
100 | static void usage(void) NO_RETURN; | |
675febfa | 101 | static void parse_options(int argc, char *argv[]); |
064af421 | 102 | |
bdcc5925 BP |
103 | static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid, |
104 | struct ofpbuf **replyp, | |
105 | struct ofputil_flow_stats *, | |
106 | struct ofpbuf *ofpacts); | |
675febfa BP |
107 | int |
108 | main(int argc, char *argv[]) | |
064af421 | 109 | { |
064af421 | 110 | set_program_name(argv[0]); |
675febfa | 111 | parse_options(argc, argv); |
064af421 | 112 | signal(SIGPIPE, SIG_IGN); |
675febfa | 113 | run_command(argc - optind, argv + optind, all_commands); |
064af421 BP |
114 | return 0; |
115 | } | |
116 | ||
bdcc5925 BP |
117 | static void |
118 | add_sort_criterion(enum sort_order order, const char *field) | |
119 | { | |
120 | struct sort_criterion *sc; | |
121 | ||
122 | if (n_criteria >= allocated_criteria) { | |
123 | criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria); | |
124 | } | |
125 | ||
126 | sc = &criteria[n_criteria++]; | |
127 | if (!field || !strcasecmp(field, "priority")) { | |
128 | sc->field = NULL; | |
129 | } else { | |
130 | sc->field = mf_from_name(field); | |
131 | if (!sc->field) { | |
132 | ovs_fatal(0, "%s: unknown field name", field); | |
133 | } | |
134 | } | |
135 | sc->order = order; | |
136 | } | |
137 | ||
064af421 | 138 | static void |
675febfa | 139 | parse_options(int argc, char *argv[]) |
064af421 BP |
140 | { |
141 | enum { | |
87c84891 | 142 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 143 | OPT_READD, |
0c9560b7 | 144 | OPT_TIMESTAMP, |
bdcc5925 BP |
145 | OPT_SORT, |
146 | OPT_RSORT, | |
1eb85ef5 | 147 | DAEMON_OPTION_ENUMS, |
87c84891 | 148 | VLOG_OPTION_ENUMS |
064af421 BP |
149 | }; |
150 | static struct option long_options[] = { | |
e3c17733 BP |
151 | {"timeout", required_argument, NULL, 't'}, |
152 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 153 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 | 154 | {"flow-format", required_argument, NULL, 'F'}, |
54834960 | 155 | {"packet-in-format", required_argument, NULL, 'P'}, |
e3c17733 | 156 | {"more", no_argument, NULL, 'm'}, |
0c9560b7 | 157 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
bdcc5925 BP |
158 | {"sort", optional_argument, NULL, OPT_SORT}, |
159 | {"rsort", optional_argument, NULL, OPT_RSORT}, | |
e3c17733 BP |
160 | {"help", no_argument, NULL, 'h'}, |
161 | {"version", no_argument, NULL, 'V'}, | |
1eb85ef5 | 162 | DAEMON_LONG_OPTIONS, |
87c84891 | 163 | VLOG_LONG_OPTIONS, |
bf8f2167 | 164 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 165 | {NULL, 0, NULL, 0}, |
064af421 BP |
166 | }; |
167 | char *short_options = long_options_to_short_options(long_options); | |
168 | ||
064af421 BP |
169 | for (;;) { |
170 | unsigned long int timeout; | |
171 | int c; | |
172 | ||
173 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
174 | if (c == -1) { | |
175 | break; | |
176 | } | |
177 | ||
178 | switch (c) { | |
179 | case 't': | |
180 | timeout = strtoul(optarg, NULL, 10); | |
181 | if (timeout <= 0) { | |
182 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
183 | optarg); | |
184 | } else { | |
185 | time_alarm(timeout); | |
186 | } | |
187 | break; | |
188 | ||
88ca35ee | 189 | case 'F': |
27527aa0 BP |
190 | allowed_protocols = ofputil_protocols_from_string(optarg); |
191 | if (!allowed_protocols) { | |
192 | ovs_fatal(0, "%s: invalid flow format(s)", optarg); | |
88ca35ee BP |
193 | } |
194 | break; | |
195 | ||
54834960 EJ |
196 | case 'P': |
197 | preferred_packet_in_format = | |
198 | ofputil_packet_in_format_from_string(optarg); | |
199 | if (preferred_packet_in_format < 0) { | |
200 | ovs_fatal(0, "unknown packet-in format `%s'", optarg); | |
201 | } | |
202 | break; | |
203 | ||
4f564f8d BP |
204 | case 'm': |
205 | verbosity++; | |
206 | break; | |
207 | ||
064af421 BP |
208 | case 'h': |
209 | usage(); | |
210 | ||
211 | case 'V': | |
87ea5e5e | 212 | ovs_print_version(OFP10_VERSION, OFP10_VERSION); |
064af421 BP |
213 | exit(EXIT_SUCCESS); |
214 | ||
064af421 | 215 | case OPT_STRICT: |
675febfa | 216 | strict = true; |
064af421 BP |
217 | break; |
218 | ||
c4ea79bf BP |
219 | case OPT_READD: |
220 | readd = true; | |
221 | break; | |
222 | ||
0c9560b7 BP |
223 | case OPT_TIMESTAMP: |
224 | timestamp = true; | |
225 | break; | |
226 | ||
bdcc5925 BP |
227 | case OPT_SORT: |
228 | add_sort_criterion(SORT_ASC, optarg); | |
229 | break; | |
230 | ||
231 | case OPT_RSORT: | |
232 | add_sort_criterion(SORT_DESC, optarg); | |
233 | break; | |
234 | ||
1eb85ef5 | 235 | DAEMON_OPTION_HANDLERS |
87c84891 | 236 | VLOG_OPTION_HANDLERS |
fe55ad15 | 237 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
238 | |
239 | case '?': | |
240 | exit(EXIT_FAILURE); | |
241 | ||
242 | default: | |
243 | abort(); | |
244 | } | |
245 | } | |
bdcc5925 BP |
246 | |
247 | if (n_criteria) { | |
248 | /* Always do a final sort pass based on priority. */ | |
249 | add_sort_criterion(SORT_DESC, "priority"); | |
250 | } | |
251 | ||
064af421 BP |
252 | free(short_options); |
253 | } | |
254 | ||
255 | static void | |
256 | usage(void) | |
257 | { | |
258 | printf("%s: OpenFlow switch management utility\n" | |
259 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
260 | "\nFor OpenFlow switches:\n" | |
261 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
262 | " dump-desc SWITCH print switch description\n" |
263 | " dump-tables SWITCH print table stats\n" | |
264 | " mod-port SWITCH IFACE ACT modify port behavior\n" | |
7257b535 BP |
265 | " get-frags SWITCH print fragment handling behavior\n" |
266 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
abaad8cf | 267 | " dump-ports SWITCH [PORT] print port statistics\n" |
2be393ed | 268 | " dump-ports-desc SWITCH print port descriptions\n" |
064af421 BP |
269 | " dump-flows SWITCH print all flow entries\n" |
270 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
271 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
272 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 273 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
274 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
275 | " add-flows SWITCH FILE add flows from FILE\n" | |
276 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
277 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 278 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
1dac118c | 279 | " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n" |
0c3d5fc8 BP |
280 | " packet-out SWITCH IN_PORT ACTIONS PACKET...\n" |
281 | " execute ACTIONS on PACKET\n" | |
2b07c8b1 | 282 | " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n" |
1dac118c BP |
283 | " print packets received from SWITCH\n" |
284 | " snoop SWITCH snoop on SWITCH and its controller\n" | |
064af421 | 285 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
286 | " probe TARGET probe whether TARGET is up\n" |
287 | " ping TARGET [N] latency of N-byte echos\n" | |
288 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
289 | "where SWITCH or TARGET is an active OpenFlow connection method.\n", | |
064af421 BP |
290 | program_name, program_name); |
291 | vconn_usage(true, false, false); | |
1eb85ef5 | 292 | daemon_usage(); |
064af421 BP |
293 | vlog_usage(); |
294 | printf("\nOther options:\n" | |
295 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 296 | " --readd replace flows that haven't changed\n" |
88ca35ee | 297 | " -F, --flow-format=FORMAT force particular flow format\n" |
54834960 | 298 | " -P, --packet-in-format=FRMT force particular packet in format\n" |
4f564f8d | 299 | " -m, --more be more verbose printing OpenFlow\n" |
0c9560b7 | 300 | " --timestamp (monitor, snoop) print timestamps\n" |
064af421 | 301 | " -t, --timeout=SECS give up after SECS seconds\n" |
bdcc5925 BP |
302 | " --sort[=field] sort in ascending order\n" |
303 | " --rsort[=field] sort in descending order\n" | |
064af421 BP |
304 | " -h, --help display this help message\n" |
305 | " -V, --version display version information\n"); | |
306 | exit(EXIT_SUCCESS); | |
307 | } | |
308 | ||
1eb85ef5 EJ |
309 | static void |
310 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
311 | const char *argv[] OVS_UNUSED, void *exiting_) | |
312 | { | |
313 | bool *exiting = exiting_; | |
314 | *exiting = true; | |
bde9f75d | 315 | unixctl_command_reply(conn, NULL); |
1eb85ef5 EJ |
316 | } |
317 | ||
064af421 BP |
318 | static void run(int retval, const char *message, ...) |
319 | PRINTF_FORMAT(2, 3); | |
320 | ||
321 | static void run(int retval, const char *message, ...) | |
322 | { | |
323 | if (retval) { | |
324 | va_list args; | |
325 | ||
064af421 | 326 | va_start(args, message); |
fcaddd4d | 327 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
328 | } |
329 | } | |
330 | \f | |
331 | /* Generic commands. */ | |
332 | ||
1a6f1e2a JG |
333 | static void |
334 | open_vconn_socket(const char *name, struct vconn **vconnp) | |
335 | { | |
336 | char *vconn_name = xasprintf("unix:%s", name); | |
24cd0dee | 337 | VLOG_DBG("connecting to %s", vconn_name); |
87ea5e5e | 338 | run(vconn_open_block(vconn_name, OFP10_VERSION, vconnp), |
1a6f1e2a JG |
339 | "connecting to %s", vconn_name); |
340 | free(vconn_name); | |
341 | } | |
342 | ||
27527aa0 | 343 | static enum ofputil_protocol |
0caf6bde BP |
344 | open_vconn__(const char *name, const char *default_suffix, |
345 | struct vconn **vconnp) | |
064af421 | 346 | { |
63d347ce | 347 | char *datapath_name, *datapath_type, *socket_name; |
27527aa0 | 348 | enum ofputil_protocol protocol; |
63d347ce | 349 | char *bridge_path; |
27527aa0 | 350 | int ofp_version; |
064af421 | 351 | struct stat s; |
1a6f1e2a | 352 | |
b43c6fe2 | 353 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, default_suffix); |
63d347ce BP |
354 | |
355 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
356 | socket_name = xasprintf("%s/%s.%s", | |
357 | ovs_rundir(), datapath_name, default_suffix); | |
358 | free(datapath_name); | |
359 | free(datapath_type); | |
064af421 | 360 | |
3a27375e | 361 | if (strchr(name, ':')) { |
87ea5e5e | 362 | run(vconn_open_block(name, OFP10_VERSION, vconnp), |
064af421 BP |
363 | "connecting to %s", name); |
364 | } else if (!stat(name, &s) && S_ISSOCK(s.st_mode)) { | |
1a6f1e2a JG |
365 | open_vconn_socket(name, vconnp); |
366 | } else if (!stat(bridge_path, &s) && S_ISSOCK(s.st_mode)) { | |
367 | open_vconn_socket(bridge_path, vconnp); | |
63d347ce BP |
368 | } else if (!stat(socket_name, &s)) { |
369 | if (!S_ISSOCK(s.st_mode)) { | |
064af421 BP |
370 | ovs_fatal(0, "cannot connect to %s: %s is not a socket", |
371 | name, socket_name); | |
372 | } | |
1a6f1e2a | 373 | open_vconn_socket(socket_name, vconnp); |
064af421 | 374 | } else { |
2c0e6eb4 | 375 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 376 | } |
1a6f1e2a | 377 | |
1a6f1e2a | 378 | free(bridge_path); |
63d347ce | 379 | free(socket_name); |
27527aa0 BP |
380 | |
381 | ofp_version = vconn_get_version(*vconnp); | |
382 | protocol = ofputil_protocol_from_ofp_version(ofp_version); | |
383 | if (!protocol) { | |
384 | ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x", | |
385 | name, ofp_version); | |
386 | } | |
387 | return protocol; | |
064af421 BP |
388 | } |
389 | ||
27527aa0 | 390 | static enum ofputil_protocol |
0caf6bde BP |
391 | open_vconn(const char *name, struct vconn **vconnp) |
392 | { | |
393 | return open_vconn__(name, "mgmt", vconnp); | |
394 | } | |
395 | ||
064af421 | 396 | static void * |
eaa6eb2a | 397 | alloc_stats_request(size_t rq_len, uint16_t type, struct ofpbuf **bufferp) |
064af421 | 398 | { |
28c8bad1 | 399 | struct ofp_stats_msg *rq; |
eaa6eb2a | 400 | |
5293a2e1 | 401 | rq = make_openflow(rq_len, OFPT10_STATS_REQUEST, bufferp); |
064af421 BP |
402 | rq->type = htons(type); |
403 | rq->flags = htons(0); | |
eaa6eb2a | 404 | return rq; |
064af421 BP |
405 | } |
406 | ||
407 | static void | |
408 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
409 | { | |
410 | update_openflow_length(buffer); | |
411 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); | |
412 | } | |
413 | ||
414 | static void | |
415 | dump_transaction(const char *vconn_name, struct ofpbuf *request) | |
416 | { | |
417 | struct vconn *vconn; | |
418 | struct ofpbuf *reply; | |
419 | ||
420 | update_openflow_length(request); | |
421 | open_vconn(vconn_name, &vconn); | |
422 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); | |
4f564f8d | 423 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
e49190c4 | 424 | ofpbuf_delete(reply); |
064af421 BP |
425 | vconn_close(vconn); |
426 | } | |
427 | ||
428 | static void | |
429 | dump_trivial_transaction(const char *vconn_name, uint8_t request_type) | |
430 | { | |
431 | struct ofpbuf *request; | |
432 | make_openflow(sizeof(struct ofp_header), request_type, &request); | |
433 | dump_transaction(vconn_name, request); | |
434 | } | |
435 | ||
436 | static void | |
9abfe557 | 437 | dump_stats_transaction__(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 438 | { |
44381c1b | 439 | ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid; |
a76150b1 | 440 | ovs_be16 stats_type = ((struct ofp_stats_msg *) request->data)->type; |
064af421 BP |
441 | bool done = false; |
442 | ||
064af421 BP |
443 | send_openflow_buffer(vconn, request); |
444 | while (!done) { | |
02833365 | 445 | ovs_be32 recv_xid; |
064af421 BP |
446 | struct ofpbuf *reply; |
447 | ||
448 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
449 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
450 | if (send_xid == recv_xid) { | |
a76150b1 BP |
451 | const struct ofp_stats_msg *osm = reply->data; |
452 | const struct ofp_header *oh = reply->data; | |
064af421 | 453 | |
4f564f8d | 454 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 455 | |
a76150b1 BP |
456 | if (oh->type == OFPT_ERROR) { |
457 | done = true; | |
458 | } else if (oh->type == OFPT10_STATS_REPLY | |
459 | && osm->type == stats_type) { | |
460 | done = !(ntohs(osm->flags) & OFPSF_REPLY_MORE); | |
461 | } else { | |
462 | ovs_fatal(0, "received bad reply: %s", | |
463 | ofp_to_string(reply->data, reply->size, | |
464 | verbosity + 1)); | |
465 | } | |
064af421 BP |
466 | } else { |
467 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
468 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
469 | } | |
470 | ofpbuf_delete(reply); | |
471 | } | |
9abfe557 BP |
472 | } |
473 | ||
474 | static void | |
475 | dump_stats_transaction(const char *vconn_name, struct ofpbuf *request) | |
476 | { | |
477 | struct vconn *vconn; | |
478 | ||
479 | open_vconn(vconn_name, &vconn); | |
480 | dump_stats_transaction__(vconn, request); | |
064af421 BP |
481 | vconn_close(vconn); |
482 | } | |
483 | ||
484 | static void | |
485 | dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type) | |
486 | { | |
487 | struct ofpbuf *request; | |
eaa6eb2a | 488 | alloc_stats_request(sizeof(struct ofp_stats_msg), stats_type, &request); |
064af421 BP |
489 | dump_stats_transaction(vconn_name, request); |
490 | } | |
491 | ||
d12513f7 BP |
492 | /* Sends 'request', which should be a request that only has a reply if an error |
493 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
494 | * it and exits with an error. |
495 | * | |
496 | * Destroys all of the 'requests'. */ | |
d12513f7 | 497 | static void |
88ca35ee | 498 | transact_multiple_noreply(struct vconn *vconn, struct list *requests) |
d12513f7 | 499 | { |
88ca35ee | 500 | struct ofpbuf *request, *reply; |
d12513f7 | 501 | |
88ca35ee BP |
502 | LIST_FOR_EACH (request, list_node, requests) { |
503 | update_openflow_length(request); | |
504 | } | |
505 | ||
506 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
507 | "talking to %s", vconn_get_name(vconn)); |
508 | if (reply) { | |
4f564f8d | 509 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
510 | exit(1); |
511 | } | |
512 | ofpbuf_delete(reply); | |
513 | } | |
514 | ||
88ca35ee BP |
515 | /* Sends 'request', which should be a request that only has a reply if an error |
516 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
517 | * it and exits with an error. |
518 | * | |
519 | * Destroys 'request'. */ | |
88ca35ee BP |
520 | static void |
521 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
522 | { | |
523 | struct list requests; | |
524 | ||
525 | list_init(&requests); | |
526 | list_push_back(&requests, &request->list_node); | |
527 | transact_multiple_noreply(vconn, &requests); | |
528 | } | |
529 | ||
7257b535 BP |
530 | static void |
531 | fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
532 | { | |
533 | struct ofp_switch_config *config; | |
534 | struct ofp_header *header; | |
535 | struct ofpbuf *request; | |
536 | struct ofpbuf *reply; | |
537 | ||
538 | make_openflow(sizeof(struct ofp_header), OFPT_GET_CONFIG_REQUEST, | |
539 | &request); | |
540 | run(vconn_transact(vconn, request, &reply), | |
541 | "talking to %s", vconn_get_name(vconn)); | |
542 | ||
543 | header = reply->data; | |
544 | if (header->type != OFPT_GET_CONFIG_REPLY || | |
545 | header->length != htons(sizeof *config)) { | |
546 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); | |
547 | } | |
548 | ||
549 | config = reply->data; | |
550 | *config_ = *config; | |
828c72d0 BP |
551 | |
552 | ofpbuf_delete(reply); | |
7257b535 BP |
553 | } |
554 | ||
555 | static void | |
556 | set_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
557 | { | |
558 | struct ofp_switch_config *config; | |
559 | struct ofp_header save_header; | |
560 | struct ofpbuf *request; | |
561 | ||
562 | config = make_openflow(sizeof *config, OFPT_SET_CONFIG, &request); | |
563 | save_header = config->header; | |
564 | *config = *config_; | |
565 | config->header = save_header; | |
566 | ||
567 | transact_noreply(vconn, request); | |
568 | } | |
569 | ||
064af421 | 570 | static void |
e1fef0f9 | 571 | ofctl_show(int argc OVS_UNUSED, char *argv[]) |
064af421 | 572 | { |
ae0e7009 JP |
573 | const char *vconn_name = argv[1]; |
574 | struct vconn *vconn; | |
575 | struct ofpbuf *request; | |
576 | struct ofpbuf *reply; | |
577 | bool trunc; | |
578 | ||
579 | make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, | |
580 | &request); | |
581 | open_vconn(vconn_name, &vconn); | |
582 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); | |
583 | ||
584 | trunc = ofputil_switch_features_ports_trunc(reply); | |
585 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); | |
586 | ||
587 | ofpbuf_delete(reply); | |
588 | vconn_close(vconn); | |
589 | ||
590 | if (trunc) { | |
591 | /* The Features Reply may not contain all the ports, so send a | |
592 | * Port Description stats request, which doesn't have size | |
593 | * constraints. */ | |
594 | dump_trivial_stats_transaction(vconn_name, OFPST_PORT_DESC); | |
595 | } | |
596 | dump_trivial_transaction(vconn_name, OFPT_GET_CONFIG_REQUEST); | |
064af421 BP |
597 | } |
598 | ||
064af421 | 599 | static void |
e1fef0f9 | 600 | ofctl_dump_desc(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
601 | { |
602 | dump_trivial_stats_transaction(argv[1], OFPST_DESC); | |
603 | } | |
604 | ||
605 | static void | |
e1fef0f9 | 606 | ofctl_dump_tables(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
607 | { |
608 | dump_trivial_stats_transaction(argv[1], OFPST_TABLE); | |
609 | } | |
610 | ||
da91750f JP |
611 | static bool |
612 | fetch_port_by_features(const char *vconn_name, | |
613 | const char *port_name, unsigned int port_no, | |
614 | struct ofputil_phy_port *pp, bool *trunc) | |
abaad8cf | 615 | { |
9e1fd49b BP |
616 | struct ofputil_switch_features features; |
617 | const struct ofp_switch_features *osf; | |
abaad8cf | 618 | struct ofpbuf *request, *reply; |
abaad8cf | 619 | struct vconn *vconn; |
9e1fd49b BP |
620 | enum ofperr error; |
621 | struct ofpbuf b; | |
da91750f | 622 | bool found = false; |
abaad8cf | 623 | |
0df0e81d | 624 | /* Fetch the switch's ofp_switch_features. */ |
abaad8cf JP |
625 | make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request); |
626 | open_vconn(vconn_name, &vconn); | |
627 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); | |
da91750f | 628 | vconn_close(vconn); |
abaad8cf JP |
629 | |
630 | osf = reply->data; | |
0df0e81d BP |
631 | if (reply->size < sizeof *osf) { |
632 | ovs_fatal(0, "%s: received too-short features reply (only %zu bytes)", | |
633 | vconn_name, reply->size); | |
634 | } | |
da91750f JP |
635 | |
636 | *trunc = false; | |
637 | if (ofputil_switch_features_ports_trunc(reply)) { | |
638 | *trunc = true; | |
639 | goto exit; | |
640 | } | |
641 | ||
9e1fd49b BP |
642 | error = ofputil_decode_switch_features(osf, &features, &b); |
643 | if (error) { | |
644 | ovs_fatal(0, "%s: failed to decode features reply (%s)", | |
645 | vconn_name, ofperr_to_string(error)); | |
646 | } | |
0df0e81d | 647 | |
2be393ed | 648 | while (!ofputil_pull_phy_port(osf->header.version, &b, pp)) { |
0df0e81d | 649 | if (port_no != UINT_MAX |
9e1fd49b BP |
650 | ? port_no == pp->port_no |
651 | : !strcmp(pp->name, port_name)) { | |
da91750f JP |
652 | found = true; |
653 | goto exit; | |
abaad8cf JP |
654 | } |
655 | } | |
da91750f JP |
656 | |
657 | exit: | |
658 | ofpbuf_delete(reply); | |
659 | return found; | |
660 | } | |
661 | ||
662 | static bool | |
663 | fetch_port_by_stats(const char *vconn_name, | |
664 | const char *port_name, unsigned int port_no, | |
665 | struct ofputil_phy_port *pp) | |
666 | { | |
667 | struct ofpbuf *request; | |
668 | struct vconn *vconn; | |
669 | ovs_be32 send_xid; | |
670 | struct ofpbuf b; | |
671 | bool done = false; | |
672 | bool found = false; | |
673 | ||
674 | alloc_stats_request(sizeof(struct ofp_stats_msg), OFPST_PORT_DESC, | |
675 | &request); | |
676 | send_xid = ((struct ofp_header *) request->data)->xid; | |
677 | ||
678 | open_vconn(vconn_name, &vconn); | |
679 | send_openflow_buffer(vconn, request); | |
680 | while (!done) { | |
681 | ovs_be32 recv_xid; | |
682 | struct ofpbuf *reply; | |
683 | ||
684 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
685 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
686 | if (send_xid == recv_xid) { | |
687 | const struct ofputil_msg_type *type; | |
688 | struct ofp_stats_msg *osm; | |
689 | ||
690 | ofputil_decode_msg_type(reply->data, &type); | |
691 | if (ofputil_msg_type_code(type) != OFPUTIL_OFPST_PORT_DESC_REPLY) { | |
692 | ovs_fatal(0, "received bad reply: %s", | |
693 | ofp_to_string(reply->data, reply->size, | |
694 | verbosity + 1)); | |
695 | } | |
696 | ||
f4dace9c BP |
697 | osm = ofpbuf_at_assert(reply, 0, sizeof *osm); |
698 | done = !(ntohs(osm->flags) & OFPSF_REPLY_MORE); | |
da91750f JP |
699 | |
700 | if (found) { | |
701 | /* We've already found the port, but we need to drain | |
702 | * the queue of any other replies for this request. */ | |
703 | continue; | |
704 | } | |
705 | ||
706 | ofpbuf_use_const(&b, &osm->header, ntohs(osm->header.length)); | |
707 | ofpbuf_pull(&b, sizeof(struct ofp_stats_msg)); | |
708 | ||
709 | while (!ofputil_pull_phy_port(osm->header.version, &b, pp)) { | |
710 | if (port_no != UINT_MAX ? port_no == pp->port_no | |
711 | : !strcmp(pp->name, port_name)) { | |
712 | found = true; | |
713 | break; | |
714 | } | |
715 | } | |
716 | } else { | |
717 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
718 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
719 | } | |
720 | ofpbuf_delete(reply); | |
721 | } | |
722 | vconn_close(vconn); | |
723 | ||
724 | return found; | |
725 | } | |
726 | ||
727 | ||
728 | /* Opens a connection to 'vconn_name', fetches the port structure for | |
729 | * 'port_name' (which may be a port name or number), and copies it into | |
730 | * '*pp'. */ | |
731 | static void | |
732 | fetch_ofputil_phy_port(const char *vconn_name, const char *port_name, | |
733 | struct ofputil_phy_port *pp) | |
734 | { | |
735 | unsigned int port_no; | |
736 | bool found; | |
737 | bool trunc; | |
738 | ||
739 | /* Try to interpret the argument as a port number. */ | |
740 | if (!str_to_uint(port_name, 10, &port_no)) { | |
741 | port_no = UINT_MAX; | |
742 | } | |
743 | ||
744 | /* Try to find the port based on the Features Reply. If it looks | |
745 | * like the results may be truncated, then use the Port Description | |
746 | * stats message introduced in OVS 1.7. */ | |
747 | found = fetch_port_by_features(vconn_name, port_name, port_no, pp, | |
748 | &trunc); | |
749 | if (trunc) { | |
750 | found = fetch_port_by_stats(vconn_name, port_name, port_no, pp); | |
751 | } | |
752 | ||
753 | if (!found) { | |
754 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); | |
755 | } | |
0df0e81d | 756 | } |
abaad8cf | 757 | |
0df0e81d BP |
758 | /* Returns the port number corresponding to 'port_name' (which may be a port |
759 | * name or number) within the switch 'vconn_name'. */ | |
760 | static uint16_t | |
761 | str_to_port_no(const char *vconn_name, const char *port_name) | |
762 | { | |
763 | unsigned int port_no; | |
764 | ||
765 | if (str_to_uint(port_name, 10, &port_no)) { | |
766 | return port_no; | |
767 | } else { | |
9e1fd49b | 768 | struct ofputil_phy_port pp; |
abaad8cf | 769 | |
9e1fd49b BP |
770 | fetch_ofputil_phy_port(vconn_name, port_name, &pp); |
771 | return pp.port_no; | |
0df0e81d | 772 | } |
abaad8cf JP |
773 | } |
774 | ||
88ca35ee | 775 | static bool |
27527aa0 BP |
776 | try_set_protocol(struct vconn *vconn, enum ofputil_protocol want, |
777 | enum ofputil_protocol *cur) | |
88ca35ee | 778 | { |
27527aa0 BP |
779 | for (;;) { |
780 | struct ofpbuf *request, *reply; | |
781 | enum ofputil_protocol next; | |
88ca35ee | 782 | |
27527aa0 BP |
783 | request = ofputil_encode_set_protocol(*cur, want, &next); |
784 | if (!request) { | |
785 | return true; | |
786 | } | |
787 | ||
788 | run(vconn_transact_noreply(vconn, request, &reply), | |
789 | "talking to %s", vconn_get_name(vconn)); | |
790 | if (reply) { | |
791 | char *s = ofp_to_string(reply->data, reply->size, 2); | |
792 | VLOG_DBG("%s: failed to set protocol, switch replied: %s", | |
793 | vconn_get_name(vconn), s); | |
794 | free(s); | |
795 | ofpbuf_delete(reply); | |
796 | return false; | |
797 | } | |
798 | ||
799 | *cur = next; | |
88ca35ee | 800 | } |
88ca35ee BP |
801 | } |
802 | ||
27527aa0 BP |
803 | static enum ofputil_protocol |
804 | set_protocol_for_flow_dump(struct vconn *vconn, | |
805 | enum ofputil_protocol cur_protocol, | |
806 | enum ofputil_protocol usable_protocols) | |
064af421 | 807 | { |
27527aa0 BP |
808 | char *usable_s; |
809 | int i; | |
064af421 | 810 | |
27527aa0 BP |
811 | for (i = 0; i < ofputil_n_flow_dump_protocols; i++) { |
812 | enum ofputil_protocol f = ofputil_flow_dump_protocols[i]; | |
813 | if (f & usable_protocols & allowed_protocols | |
814 | && try_set_protocol(vconn, f, &cur_protocol)) { | |
815 | return f; | |
f9cbfbe4 | 816 | } |
27527aa0 | 817 | } |
f9cbfbe4 | 818 | |
27527aa0 BP |
819 | usable_s = ofputil_protocols_to_string(usable_protocols); |
820 | if (usable_protocols & allowed_protocols) { | |
821 | ovs_fatal(0, "switch does not support any of the usable flow " | |
822 | "formats (%s)", usable_s); | |
f9cbfbe4 | 823 | } else { |
27527aa0 BP |
824 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); |
825 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
826 | "allowed flow formats (%s)", usable_s, allowed_s); | |
88ca35ee | 827 | } |
064af421 BP |
828 | } |
829 | ||
bdcc5925 BP |
830 | static struct vconn * |
831 | prepare_dump_flows(int argc, char *argv[], bool aggregate, | |
832 | struct ofpbuf **requestp) | |
064af421 | 833 | { |
27527aa0 | 834 | enum ofputil_protocol usable_protocols, protocol; |
81d1ea94 | 835 | struct ofputil_flow_stats_request fsr; |
88ca35ee | 836 | struct vconn *vconn; |
064af421 | 837 | |
88ca35ee | 838 | parse_ofp_flow_stats_request_str(&fsr, aggregate, argc > 2 ? argv[2] : ""); |
27527aa0 | 839 | usable_protocols = ofputil_flow_stats_request_usable_protocols(&fsr); |
064af421 | 840 | |
27527aa0 BP |
841 | protocol = open_vconn(argv[1], &vconn); |
842 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
bdcc5925 BP |
843 | *requestp = ofputil_encode_flow_stats_request(&fsr, protocol); |
844 | return vconn; | |
845 | } | |
846 | ||
847 | static void | |
848 | ofctl_dump_flows__(int argc, char *argv[], bool aggregate) | |
849 | { | |
850 | struct ofpbuf *request; | |
851 | struct vconn *vconn; | |
852 | ||
853 | vconn = prepare_dump_flows(argc, argv, aggregate, &request); | |
9abfe557 | 854 | dump_stats_transaction__(vconn, request); |
88ca35ee BP |
855 | vconn_close(vconn); |
856 | } | |
857 | ||
bdcc5925 BP |
858 | static int |
859 | compare_flows(const void *afs_, const void *bfs_) | |
860 | { | |
861 | const struct ofputil_flow_stats *afs = afs_; | |
862 | const struct ofputil_flow_stats *bfs = bfs_; | |
863 | const struct cls_rule *a = &afs->rule; | |
864 | const struct cls_rule *b = &bfs->rule; | |
865 | const struct sort_criterion *sc; | |
866 | ||
867 | for (sc = criteria; sc < &criteria[n_criteria]; sc++) { | |
868 | const struct mf_field *f = sc->field; | |
869 | int ret; | |
870 | ||
871 | if (!f) { | |
872 | ret = a->priority < b->priority ? -1 : a->priority > b->priority; | |
873 | } else { | |
874 | bool ina, inb; | |
875 | ||
876 | ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc); | |
877 | inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc); | |
878 | if (ina != inb) { | |
879 | /* Skip the test for sc->order, so that missing fields always | |
880 | * sort to the end whether we're sorting in ascending or | |
881 | * descending order. */ | |
882 | return ina ? -1 : 1; | |
883 | } else { | |
884 | union mf_value aval, bval; | |
885 | ||
886 | mf_get_value(f, &a->flow, &aval); | |
887 | mf_get_value(f, &b->flow, &bval); | |
888 | ret = memcmp(&aval, &bval, f->n_bytes); | |
889 | } | |
890 | } | |
891 | ||
892 | if (ret) { | |
893 | return sc->order == SORT_ASC ? ret : -ret; | |
894 | } | |
895 | } | |
896 | ||
897 | return 0; | |
898 | } | |
899 | ||
88ca35ee | 900 | static void |
e1fef0f9 | 901 | ofctl_dump_flows(int argc, char *argv[]) |
88ca35ee | 902 | { |
bdcc5925 BP |
903 | if (!n_criteria) { |
904 | return ofctl_dump_flows__(argc, argv, false); | |
905 | } else { | |
906 | struct ofputil_flow_stats *fses; | |
907 | size_t n_fses, allocated_fses; | |
908 | struct ofpbuf *request; | |
909 | struct ofpbuf ofpacts; | |
910 | struct ofpbuf *reply; | |
911 | struct vconn *vconn; | |
912 | ovs_be32 send_xid; | |
913 | struct ds s; | |
914 | size_t i; | |
915 | ||
916 | vconn = prepare_dump_flows(argc, argv, false, &request); | |
917 | send_xid = ((struct ofp_header *) request->data)->xid; | |
918 | send_openflow_buffer(vconn, request); | |
919 | ||
920 | fses = NULL; | |
921 | n_fses = allocated_fses = 0; | |
922 | reply = NULL; | |
923 | ofpbuf_init(&ofpacts, 0); | |
924 | for (;;) { | |
925 | struct ofputil_flow_stats *fs; | |
926 | ||
927 | if (n_fses >= allocated_fses) { | |
928 | fses = x2nrealloc(fses, &allocated_fses, sizeof *fses); | |
929 | } | |
930 | ||
931 | fs = &fses[n_fses]; | |
932 | if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs, | |
933 | &ofpacts)) { | |
934 | break; | |
935 | } | |
936 | fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len); | |
937 | n_fses++; | |
938 | } | |
939 | ofpbuf_uninit(&ofpacts); | |
940 | ||
941 | qsort(fses, n_fses, sizeof *fses, compare_flows); | |
942 | ||
943 | ds_init(&s); | |
944 | for (i = 0; i < n_fses; i++) { | |
945 | ds_clear(&s); | |
946 | ofp_print_flow_stats(&s, &fses[i]); | |
947 | puts(ds_cstr(&s)); | |
948 | } | |
949 | ds_destroy(&s); | |
950 | ||
951 | for (i = 0; i < n_fses; i++) { | |
952 | free(fses[i].ofpacts); | |
953 | } | |
954 | free(fses); | |
955 | ||
956 | vconn_close(vconn); | |
957 | } | |
88ca35ee BP |
958 | } |
959 | ||
960 | static void | |
e1fef0f9 | 961 | ofctl_dump_aggregate(int argc, char *argv[]) |
88ca35ee | 962 | { |
e1fef0f9 | 963 | return ofctl_dump_flows__(argc, argv, true); |
064af421 BP |
964 | } |
965 | ||
d2805da2 | 966 | static void |
e1fef0f9 | 967 | ofctl_queue_stats(int argc, char *argv[]) |
d2805da2 BP |
968 | { |
969 | struct ofp_queue_stats_request *req; | |
970 | struct ofpbuf *request; | |
971 | ||
972 | req = alloc_stats_request(sizeof *req, OFPST_QUEUE, &request); | |
973 | ||
974 | if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) { | |
975 | req->port_no = htons(str_to_port_no(argv[1], argv[2])); | |
976 | } else { | |
977 | req->port_no = htons(OFPP_ALL); | |
978 | } | |
979 | if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) { | |
980 | req->queue_id = htonl(atoi(argv[3])); | |
981 | } else { | |
982 | req->queue_id = htonl(OFPQ_ALL); | |
983 | } | |
984 | ||
985 | memset(req->pad, 0, sizeof req->pad); | |
986 | ||
987 | dump_stats_transaction(argv[1], request); | |
988 | } | |
989 | ||
27527aa0 BP |
990 | static enum ofputil_protocol |
991 | open_vconn_for_flow_mod(const char *remote, | |
992 | const struct ofputil_flow_mod *fms, size_t n_fms, | |
993 | struct vconn **vconnp) | |
0fbc9f11 | 994 | { |
27527aa0 BP |
995 | enum ofputil_protocol usable_protocols; |
996 | enum ofputil_protocol cur_protocol; | |
997 | char *usable_s; | |
998 | int i; | |
0fbc9f11 | 999 | |
27527aa0 BP |
1000 | /* Figure out what flow formats will work. */ |
1001 | usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms); | |
1002 | if (!(usable_protocols & allowed_protocols)) { | |
1003 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); | |
1004 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1005 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1006 | "allowed flow formats (%s)", usable_s, allowed_s); | |
0fbc9f11 | 1007 | } |
0fbc9f11 | 1008 | |
27527aa0 BP |
1009 | /* If the initial flow format is allowed and usable, keep it. */ |
1010 | cur_protocol = open_vconn(remote, vconnp); | |
1011 | if (usable_protocols & allowed_protocols & cur_protocol) { | |
1012 | return cur_protocol; | |
1013 | } | |
1014 | ||
1015 | /* Otherwise try each flow format in turn. */ | |
1016 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1017 | enum ofputil_protocol f = 1 << i; | |
1018 | ||
1019 | if (f != cur_protocol | |
1020 | && f & usable_protocols & allowed_protocols | |
1021 | && try_set_protocol(*vconnp, f, &cur_protocol)) { | |
1022 | return f; | |
1023 | } | |
0fbc9f11 | 1024 | } |
27527aa0 BP |
1025 | |
1026 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1027 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1028 | "formats (%s)", usable_s); | |
0fbc9f11 BP |
1029 | } |
1030 | ||
064af421 | 1031 | static void |
e1fef0f9 AS |
1032 | ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, |
1033 | size_t n_fms) | |
064af421 | 1034 | { |
27527aa0 | 1035 | enum ofputil_protocol protocol; |
064af421 | 1036 | struct vconn *vconn; |
27527aa0 | 1037 | size_t i; |
4989c59f | 1038 | |
27527aa0 | 1039 | protocol = open_vconn_for_flow_mod(remote, fms, n_fms, &vconn); |
049c8dc2 | 1040 | |
27527aa0 BP |
1041 | for (i = 0; i < n_fms; i++) { |
1042 | struct ofputil_flow_mod *fm = &fms[i]; | |
0fbc9f11 | 1043 | |
27527aa0 | 1044 | transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol)); |
f25d0cf3 | 1045 | free(fm->ofpacts); |
4989c59f | 1046 | } |
064af421 | 1047 | vconn_close(vconn); |
88ca35ee BP |
1048 | } |
1049 | ||
064af421 | 1050 | static void |
e1fef0f9 | 1051 | ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) |
064af421 | 1052 | { |
27527aa0 BP |
1053 | struct ofputil_flow_mod *fms = NULL; |
1054 | size_t n_fms = 0; | |
064af421 | 1055 | |
27527aa0 | 1056 | parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms); |
e1fef0f9 | 1057 | ofctl_flow_mod__(argv[1], fms, n_fms); |
27527aa0 BP |
1058 | free(fms); |
1059 | } | |
1060 | ||
1061 | static void | |
e1fef0f9 | 1062 | ofctl_flow_mod(int argc, char *argv[], uint16_t command) |
27527aa0 | 1063 | { |
4989c59f | 1064 | if (argc > 2 && !strcmp(argv[2], "-")) { |
e1fef0f9 | 1065 | ofctl_flow_mod_file(argc, argv, command); |
27527aa0 BP |
1066 | } else { |
1067 | struct ofputil_flow_mod fm; | |
1068 | parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, false); | |
e1fef0f9 | 1069 | ofctl_flow_mod__(argv[1], &fm, 1); |
064af421 | 1070 | } |
4989c59f | 1071 | } |
88ca35ee | 1072 | |
4989c59f | 1073 | static void |
e1fef0f9 | 1074 | ofctl_add_flow(int argc, char *argv[]) |
4989c59f | 1075 | { |
e1fef0f9 | 1076 | ofctl_flow_mod(argc, argv, OFPFC_ADD); |
4989c59f BP |
1077 | } |
1078 | ||
1079 | static void | |
e1fef0f9 | 1080 | ofctl_add_flows(int argc, char *argv[]) |
4989c59f | 1081 | { |
e1fef0f9 | 1082 | ofctl_flow_mod_file(argc, argv, OFPFC_ADD); |
064af421 BP |
1083 | } |
1084 | ||
1085 | static void | |
e1fef0f9 | 1086 | ofctl_mod_flows(int argc, char *argv[]) |
064af421 | 1087 | { |
e1fef0f9 | 1088 | ofctl_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
1089 | } |
1090 | ||
88ca35ee | 1091 | static void |
e1fef0f9 | 1092 | ofctl_del_flows(int argc, char *argv[]) |
064af421 | 1093 | { |
e1fef0f9 | 1094 | ofctl_flow_mod(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
1095 | } |
1096 | ||
54834960 EJ |
1097 | static void |
1098 | set_packet_in_format(struct vconn *vconn, | |
1099 | enum nx_packet_in_format packet_in_format) | |
1100 | { | |
1101 | struct ofpbuf *spif = ofputil_make_set_packet_in_format(packet_in_format); | |
1102 | transact_noreply(vconn, spif); | |
1103 | VLOG_DBG("%s: using user-specified packet in format %s", | |
1104 | vconn_get_name(vconn), | |
1105 | ofputil_packet_in_format_to_string(packet_in_format)); | |
1106 | } | |
1107 | ||
f0fd1a17 PS |
1108 | static int |
1109 | monitor_set_invalid_ttl_to_controller(struct vconn *vconn) | |
1110 | { | |
1111 | struct ofp_switch_config config; | |
1112 | enum ofp_config_flags flags; | |
1113 | ||
1114 | fetch_switch_config(vconn, &config); | |
1115 | flags = ntohs(config.flags); | |
1116 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1117 | /* Set the invalid ttl config. */ | |
1118 | flags |= OFPC_INVALID_TTL_TO_CONTROLLER; | |
1119 | ||
1120 | config.flags = htons(flags); | |
1121 | set_switch_config(vconn, &config); | |
1122 | ||
1123 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1124 | * doesn't define error reporting for bad modes, so this is all we can | |
1125 | * do. */ | |
1126 | fetch_switch_config(vconn, &config); | |
1127 | flags = ntohs(config.flags); | |
1128 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1129 | ovs_fatal(0, "setting invalid_ttl_to_controller failed (this " | |
1130 | "switch probably doesn't support mode)"); | |
1131 | return -EOPNOTSUPP; | |
1132 | } | |
1133 | } | |
1134 | return 0; | |
1135 | } | |
1136 | ||
96761f58 BP |
1137 | /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The |
1138 | * caller must free '*msgp'. On success, returns NULL. On failure, returns | |
1139 | * an error message and stores NULL in '*msgp'. */ | |
1140 | static const char * | |
1141 | openflow_from_hex(const char *hex, struct ofpbuf **msgp) | |
1142 | { | |
1143 | struct ofp_header *oh; | |
1144 | struct ofpbuf *msg; | |
1145 | ||
1146 | msg = ofpbuf_new(strlen(hex) / 2); | |
1147 | *msgp = NULL; | |
1148 | ||
1149 | if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') { | |
1150 | ofpbuf_delete(msg); | |
1151 | return "Trailing garbage in hex data"; | |
1152 | } | |
1153 | ||
1154 | if (msg->size < sizeof(struct ofp_header)) { | |
1155 | ofpbuf_delete(msg); | |
1156 | return "Message too short for OpenFlow"; | |
1157 | } | |
1158 | ||
1159 | oh = msg->data; | |
1160 | if (msg->size != ntohs(oh->length)) { | |
1161 | ofpbuf_delete(msg); | |
1162 | return "Message size does not match length in OpenFlow header"; | |
1163 | } | |
1164 | ||
1165 | *msgp = msg; | |
1166 | return NULL; | |
1167 | } | |
1168 | ||
1169 | static void | |
1170 | ofctl_send(struct unixctl_conn *conn, int argc, | |
1171 | const char *argv[], void *vconn_) | |
1172 | { | |
1173 | struct vconn *vconn = vconn_; | |
1174 | struct ds reply; | |
1175 | bool ok; | |
1176 | int i; | |
1177 | ||
1178 | ok = true; | |
1179 | ds_init(&reply); | |
1180 | for (i = 1; i < argc; i++) { | |
1181 | const char *error_msg; | |
1182 | struct ofpbuf *msg; | |
1183 | int error; | |
1184 | ||
1185 | error_msg = openflow_from_hex(argv[i], &msg); | |
1186 | if (error_msg) { | |
1187 | ds_put_format(&reply, "%s\n", error_msg); | |
1188 | ok = false; | |
1189 | continue; | |
1190 | } | |
1191 | ||
1192 | fprintf(stderr, "send: "); | |
1193 | ofp_print(stderr, msg->data, msg->size, verbosity); | |
1194 | ||
1195 | error = vconn_send_block(vconn, msg); | |
1196 | if (error) { | |
1197 | ofpbuf_delete(msg); | |
1198 | ds_put_format(&reply, "%s\n", strerror(error)); | |
1199 | ok = false; | |
1200 | } else { | |
1201 | ds_put_cstr(&reply, "sent\n"); | |
1202 | } | |
1203 | } | |
bde9f75d EJ |
1204 | |
1205 | if (ok) { | |
1206 | unixctl_command_reply(conn, ds_cstr(&reply)); | |
1207 | } else { | |
1208 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
1209 | } | |
96761f58 BP |
1210 | ds_destroy(&reply); |
1211 | } | |
1212 | ||
bb638b9a BP |
1213 | struct barrier_aux { |
1214 | struct vconn *vconn; /* OpenFlow connection for sending barrier. */ | |
1215 | struct unixctl_conn *conn; /* Connection waiting for barrier response. */ | |
1216 | }; | |
1217 | ||
1218 | static void | |
1219 | ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1220 | const char *argv[] OVS_UNUSED, void *aux_) | |
1221 | { | |
1222 | struct barrier_aux *aux = aux_; | |
1223 | struct ofpbuf *msg; | |
1224 | int error; | |
1225 | ||
1226 | if (aux->conn) { | |
bde9f75d | 1227 | unixctl_command_reply_error(conn, "already waiting for barrier reply"); |
bb638b9a BP |
1228 | return; |
1229 | } | |
1230 | ||
1231 | msg = ofputil_encode_barrier_request(); | |
bb638b9a BP |
1232 | error = vconn_send_block(aux->vconn, msg); |
1233 | if (error) { | |
1234 | ofpbuf_delete(msg); | |
bde9f75d | 1235 | unixctl_command_reply_error(conn, strerror(error)); |
bb638b9a BP |
1236 | } else { |
1237 | aux->conn = conn; | |
1238 | } | |
1239 | } | |
1240 | ||
1e1d00a5 BP |
1241 | static void |
1242 | ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1243 | const char *argv[], void *aux OVS_UNUSED) | |
1244 | { | |
1245 | int fd; | |
1246 | ||
1247 | fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666); | |
1248 | if (fd < 0) { | |
bde9f75d | 1249 | unixctl_command_reply_error(conn, strerror(errno)); |
1e1d00a5 BP |
1250 | return; |
1251 | } | |
1252 | ||
1253 | fflush(stderr); | |
1254 | dup2(fd, STDERR_FILENO); | |
1255 | close(fd); | |
bde9f75d | 1256 | unixctl_command_reply(conn, NULL); |
1e1d00a5 BP |
1257 | } |
1258 | ||
2b07c8b1 BP |
1259 | struct block_aux { |
1260 | struct vconn *vconn; | |
1261 | struct unixctl_server *server; | |
1262 | bool blocked; | |
1263 | }; | |
1264 | ||
1265 | static void | |
1266 | ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1267 | const char *argv[] OVS_UNUSED, void *block_) | |
1268 | { | |
1269 | struct block_aux *block = block_; | |
1270 | ||
1271 | if (block->blocked) { | |
1272 | unixctl_command_reply(conn, "already blocking"); | |
1273 | return; | |
1274 | } | |
1275 | ||
1276 | block->blocked = true; | |
1277 | unixctl_command_reply(conn, NULL); | |
1278 | for (;;) { | |
1279 | unixctl_server_run(block->server); | |
1280 | if (!block->blocked) { | |
1281 | break; | |
1282 | } | |
1283 | vconn_run(block->vconn); | |
1284 | ||
1285 | unixctl_server_wait(block->server); | |
1286 | vconn_run_wait(block->vconn); | |
1287 | poll_block(); | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | static void | |
1292 | ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1293 | const char *argv[] OVS_UNUSED, void *block_) | |
1294 | { | |
1295 | struct block_aux *block = block_; | |
1296 | ||
1297 | if (!block->blocked) { | |
1298 | unixctl_command_reply(conn, "not blocking"); | |
1299 | } else { | |
1300 | block->blocked = false; | |
1301 | unixctl_command_reply(conn, NULL); | |
1302 | } | |
1303 | } | |
1304 | ||
064af421 | 1305 | static void |
0caf6bde BP |
1306 | monitor_vconn(struct vconn *vconn) |
1307 | { | |
bb638b9a | 1308 | struct barrier_aux barrier_aux = { vconn, NULL }; |
2b07c8b1 | 1309 | struct block_aux block; |
1eb85ef5 EJ |
1310 | struct unixctl_server *server; |
1311 | bool exiting = false; | |
7d0c5973 | 1312 | int error; |
1eb85ef5 | 1313 | |
7d0c5973 | 1314 | daemon_save_fd(STDERR_FILENO); |
1eb85ef5 EJ |
1315 | daemonize_start(); |
1316 | error = unixctl_server_create(NULL, &server); | |
1317 | if (error) { | |
1318 | ovs_fatal(error, "failed to create unixctl server"); | |
1319 | } | |
1320 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
96761f58 BP |
1321 | unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX, |
1322 | ofctl_send, vconn); | |
bb638b9a BP |
1323 | unixctl_command_register("ofctl/barrier", "", 0, 0, |
1324 | ofctl_barrier, &barrier_aux); | |
1e1d00a5 BP |
1325 | unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1, |
1326 | ofctl_set_output_file, NULL); | |
2b07c8b1 BP |
1327 | |
1328 | block.vconn = vconn; | |
1329 | block.server = server; | |
1330 | block.blocked = false; | |
1331 | unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &block); | |
1332 | unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock, &block); | |
1333 | ||
1eb85ef5 EJ |
1334 | daemonize_complete(); |
1335 | ||
0caf6bde BP |
1336 | for (;;) { |
1337 | struct ofpbuf *b; | |
1eb85ef5 EJ |
1338 | int retval; |
1339 | ||
1340 | unixctl_server_run(server); | |
1341 | ||
1342 | for (;;) { | |
bb638b9a BP |
1343 | uint8_t msg_type; |
1344 | ||
1eb85ef5 EJ |
1345 | retval = vconn_recv(vconn, &b); |
1346 | if (retval == EAGAIN) { | |
1347 | break; | |
1348 | } | |
1eb85ef5 | 1349 | run(retval, "vconn_recv"); |
31c6fcd7 | 1350 | |
0c9560b7 BP |
1351 | if (timestamp) { |
1352 | time_t now = time_wall(); | |
1353 | char s[32]; | |
1354 | ||
3123c8fd | 1355 | strftime(s, sizeof s, "%Y-%m-%d %H:%M:%S: ", gmtime(&now)); |
0c9560b7 BP |
1356 | fputs(s, stderr); |
1357 | } | |
31c6fcd7 BP |
1358 | |
1359 | msg_type = ((const struct ofp_header *) b->data)->type; | |
1eb85ef5 EJ |
1360 | ofp_print(stderr, b->data, b->size, verbosity + 2); |
1361 | ofpbuf_delete(b); | |
bb638b9a | 1362 | |
5293a2e1 | 1363 | if (barrier_aux.conn && msg_type == OFPT10_BARRIER_REPLY) { |
bde9f75d | 1364 | unixctl_command_reply(barrier_aux.conn, NULL); |
bb638b9a BP |
1365 | barrier_aux.conn = NULL; |
1366 | } | |
1eb85ef5 EJ |
1367 | } |
1368 | ||
1369 | if (exiting) { | |
1370 | break; | |
1371 | } | |
1372 | ||
1373 | vconn_run(vconn); | |
1374 | vconn_run_wait(vconn); | |
1375 | vconn_recv_wait(vconn); | |
1376 | unixctl_server_wait(server); | |
1377 | poll_block(); | |
0caf6bde | 1378 | } |
828c72d0 BP |
1379 | vconn_close(vconn); |
1380 | unixctl_server_destroy(server); | |
0caf6bde BP |
1381 | } |
1382 | ||
1383 | static void | |
e1fef0f9 | 1384 | ofctl_monitor(int argc, char *argv[]) |
064af421 BP |
1385 | { |
1386 | struct vconn *vconn; | |
2b07c8b1 | 1387 | int i; |
064af421 BP |
1388 | |
1389 | open_vconn(argv[1], &vconn); | |
2b07c8b1 BP |
1390 | for (i = 2; i < argc; i++) { |
1391 | const char *arg = argv[i]; | |
064af421 | 1392 | |
2b07c8b1 BP |
1393 | if (isdigit((unsigned char) *arg)) { |
1394 | struct ofp_switch_config config; | |
1395 | ||
1396 | fetch_switch_config(vconn, &config); | |
1397 | config.miss_send_len = htons(atoi(arg)); | |
1398 | set_switch_config(vconn, &config); | |
1399 | } else if (!strcmp(arg, "invalid_ttl")) { | |
f0fd1a17 | 1400 | monitor_set_invalid_ttl_to_controller(vconn); |
2b07c8b1 BP |
1401 | } else if (!strncmp(arg, "watch:", 6)) { |
1402 | struct ofputil_flow_monitor_request fmr; | |
1403 | struct ofpbuf *msg; | |
1404 | ||
1405 | parse_flow_monitor_request(&fmr, arg + 6); | |
1406 | ||
1407 | msg = ofpbuf_new(0); | |
1408 | ofputil_append_flow_monitor_request(&fmr, msg); | |
1409 | dump_stats_transaction__(vconn, msg); | |
1410 | } else { | |
1411 | ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg); | |
f0fd1a17 PS |
1412 | } |
1413 | } | |
2b07c8b1 | 1414 | |
ca8526e0 BP |
1415 | if (preferred_packet_in_format >= 0) { |
1416 | set_packet_in_format(vconn, preferred_packet_in_format); | |
1417 | } else { | |
1418 | struct ofpbuf *spif, *reply; | |
1419 | ||
1420 | spif = ofputil_make_set_packet_in_format(NXPIF_NXM); | |
1421 | run(vconn_transact_noreply(vconn, spif, &reply), | |
1422 | "talking to %s", vconn_get_name(vconn)); | |
1423 | if (reply) { | |
1424 | char *s = ofp_to_string(reply->data, reply->size, 2); | |
1425 | VLOG_DBG("%s: failed to set packet in format to nxm, controller" | |
1426 | " replied: %s. Falling back to the switch default.", | |
1427 | vconn_get_name(vconn), s); | |
1428 | free(s); | |
1429 | ofpbuf_delete(reply); | |
1430 | } | |
1431 | } | |
1432 | ||
0caf6bde BP |
1433 | monitor_vconn(vconn); |
1434 | } | |
1435 | ||
1436 | static void | |
e1fef0f9 | 1437 | ofctl_snoop(int argc OVS_UNUSED, char *argv[]) |
0caf6bde BP |
1438 | { |
1439 | struct vconn *vconn; | |
1440 | ||
1441 | open_vconn__(argv[1], "snoop", &vconn); | |
1442 | monitor_vconn(vconn); | |
064af421 BP |
1443 | } |
1444 | ||
1445 | static void | |
e1fef0f9 | 1446 | ofctl_dump_ports(int argc, char *argv[]) |
064af421 | 1447 | { |
abaad8cf JP |
1448 | struct ofp_port_stats_request *req; |
1449 | struct ofpbuf *request; | |
1450 | uint16_t port; | |
1451 | ||
1452 | req = alloc_stats_request(sizeof *req, OFPST_PORT, &request); | |
1453 | port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_NONE; | |
1454 | req->port_no = htons(port); | |
1455 | dump_stats_transaction(argv[1], request); | |
064af421 BP |
1456 | } |
1457 | ||
2be393ed | 1458 | static void |
e1fef0f9 | 1459 | ofctl_dump_ports_desc(int argc OVS_UNUSED, char *argv[]) |
2be393ed JP |
1460 | { |
1461 | dump_trivial_stats_transaction(argv[1], OFPST_PORT_DESC); | |
1462 | } | |
1463 | ||
064af421 | 1464 | static void |
e1fef0f9 | 1465 | ofctl_probe(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
1466 | { |
1467 | struct ofpbuf *request; | |
1468 | struct vconn *vconn; | |
1469 | struct ofpbuf *reply; | |
1470 | ||
1471 | make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request); | |
1472 | open_vconn(argv[1], &vconn); | |
1473 | run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]); | |
1474 | if (reply->size != sizeof(struct ofp_header)) { | |
1475 | ovs_fatal(0, "reply does not match request"); | |
1476 | } | |
1477 | ofpbuf_delete(reply); | |
1478 | vconn_close(vconn); | |
1479 | } | |
1480 | ||
0c3d5fc8 | 1481 | static void |
e1fef0f9 | 1482 | ofctl_packet_out(int argc, char *argv[]) |
0c3d5fc8 BP |
1483 | { |
1484 | struct ofputil_packet_out po; | |
f25d0cf3 | 1485 | struct ofpbuf ofpacts; |
0c3d5fc8 BP |
1486 | struct vconn *vconn; |
1487 | int i; | |
1488 | ||
f25d0cf3 BP |
1489 | ofpbuf_init(&ofpacts, 64); |
1490 | parse_ofpacts(argv[3], &ofpacts); | |
0c3d5fc8 BP |
1491 | |
1492 | po.buffer_id = UINT32_MAX; | |
1493 | po.in_port = (!strcasecmp(argv[2], "none") ? OFPP_NONE | |
1494 | : !strcasecmp(argv[2], "local") ? OFPP_LOCAL | |
1495 | : str_to_port_no(argv[1], argv[2])); | |
f25d0cf3 BP |
1496 | po.ofpacts = ofpacts.data; |
1497 | po.ofpacts_len = ofpacts.size; | |
0c3d5fc8 BP |
1498 | |
1499 | open_vconn(argv[1], &vconn); | |
1500 | for (i = 4; i < argc; i++) { | |
1501 | struct ofpbuf *packet, *opo; | |
1502 | const char *error_msg; | |
1503 | ||
1504 | error_msg = eth_from_hex(argv[i], &packet); | |
1505 | if (error_msg) { | |
1506 | ovs_fatal(0, "%s", error_msg); | |
1507 | } | |
1508 | ||
1509 | po.packet = packet->data; | |
1510 | po.packet_len = packet->size; | |
1511 | opo = ofputil_encode_packet_out(&po); | |
1512 | transact_noreply(vconn, opo); | |
1513 | ofpbuf_delete(packet); | |
1514 | } | |
1515 | vconn_close(vconn); | |
f25d0cf3 | 1516 | ofpbuf_uninit(&ofpacts); |
0c3d5fc8 BP |
1517 | } |
1518 | ||
064af421 | 1519 | static void |
e1fef0f9 | 1520 | ofctl_mod_port(int argc OVS_UNUSED, char *argv[]) |
064af421 | 1521 | { |
28124950 BP |
1522 | struct ofp_config_flag { |
1523 | const char *name; /* The flag's name. */ | |
1524 | enum ofputil_port_config bit; /* Bit to turn on or off. */ | |
1525 | bool on; /* Value to set the bit to. */ | |
1526 | }; | |
1527 | static const struct ofp_config_flag flags[] = { | |
1528 | { "up", OFPUTIL_PC_PORT_DOWN, false }, | |
1529 | { "down", OFPUTIL_PC_PORT_DOWN, true }, | |
1530 | { "stp", OFPUTIL_PC_NO_STP, false }, | |
1531 | { "receive", OFPUTIL_PC_NO_RECV, false }, | |
1532 | { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false }, | |
1533 | { "flood", OFPUTIL_PC_NO_FLOOD, false }, | |
1534 | { "forward", OFPUTIL_PC_NO_FWD, false }, | |
1535 | { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false }, | |
1536 | }; | |
1537 | ||
1538 | const struct ofp_config_flag *flag; | |
9e1fd49b BP |
1539 | enum ofputil_protocol protocol; |
1540 | struct ofputil_port_mod pm; | |
1541 | struct ofputil_phy_port pp; | |
064af421 | 1542 | struct vconn *vconn; |
28124950 BP |
1543 | const char *command; |
1544 | bool not; | |
064af421 | 1545 | |
9e1fd49b | 1546 | fetch_ofputil_phy_port(argv[1], argv[2], &pp); |
064af421 | 1547 | |
9e1fd49b BP |
1548 | pm.port_no = pp.port_no; |
1549 | memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN); | |
1550 | pm.config = 0; | |
1551 | pm.mask = 0; | |
1552 | pm.advertise = 0; | |
064af421 | 1553 | |
28124950 BP |
1554 | if (!strncasecmp(argv[3], "no-", 3)) { |
1555 | command = argv[3] + 3; | |
1556 | not = true; | |
1557 | } else if (!strncasecmp(argv[3], "no", 2)) { | |
1558 | command = argv[3] + 2; | |
1559 | not = true; | |
064af421 | 1560 | } else { |
28124950 BP |
1561 | command = argv[3]; |
1562 | not = false; | |
1563 | } | |
1564 | for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) { | |
1565 | if (!strcasecmp(command, flag->name)) { | |
1566 | pm.mask = flag->bit; | |
1567 | pm.config = flag->on ^ not ? flag->bit : 0; | |
1568 | goto found; | |
1569 | } | |
064af421 | 1570 | } |
28124950 | 1571 | ovs_fatal(0, "unknown mod-port command '%s'", argv[3]); |
064af421 | 1572 | |
28124950 | 1573 | found: |
9e1fd49b BP |
1574 | protocol = open_vconn(argv[1], &vconn); |
1575 | transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol)); | |
064af421 BP |
1576 | vconn_close(vconn); |
1577 | } | |
1578 | ||
7257b535 | 1579 | static void |
e1fef0f9 | 1580 | ofctl_get_frags(int argc OVS_UNUSED, char *argv[]) |
7257b535 BP |
1581 | { |
1582 | struct ofp_switch_config config; | |
1583 | struct vconn *vconn; | |
1584 | ||
1585 | open_vconn(argv[1], &vconn); | |
1586 | fetch_switch_config(vconn, &config); | |
1587 | puts(ofputil_frag_handling_to_string(ntohs(config.flags))); | |
1588 | vconn_close(vconn); | |
1589 | } | |
1590 | ||
1591 | static void | |
e1fef0f9 | 1592 | ofctl_set_frags(int argc OVS_UNUSED, char *argv[]) |
7257b535 BP |
1593 | { |
1594 | struct ofp_switch_config config; | |
1595 | enum ofp_config_flags mode; | |
1596 | struct vconn *vconn; | |
1597 | ovs_be16 flags; | |
1598 | ||
1599 | if (!ofputil_frag_handling_from_string(argv[2], &mode)) { | |
1600 | ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]); | |
1601 | } | |
1602 | ||
1603 | open_vconn(argv[1], &vconn); | |
1604 | fetch_switch_config(vconn, &config); | |
1605 | flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK)); | |
1606 | if (flags != config.flags) { | |
1607 | /* Set the configuration. */ | |
1608 | config.flags = flags; | |
1609 | set_switch_config(vconn, &config); | |
1610 | ||
1611 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1612 | * doesn't define error reporting for bad modes, so this is all we can | |
1613 | * do. */ | |
1614 | fetch_switch_config(vconn, &config); | |
1615 | if (flags != config.flags) { | |
1616 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " | |
1617 | "switch probably doesn't support mode \"%s\")", | |
1618 | argv[1], ofputil_frag_handling_to_string(mode)); | |
1619 | } | |
1620 | } | |
1621 | vconn_close(vconn); | |
1622 | } | |
1623 | ||
064af421 | 1624 | static void |
e1fef0f9 | 1625 | ofctl_ping(int argc, char *argv[]) |
064af421 BP |
1626 | { |
1627 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
1628 | unsigned int payload; | |
1629 | struct vconn *vconn; | |
1630 | int i; | |
1631 | ||
1632 | payload = argc > 2 ? atoi(argv[2]) : 64; | |
1633 | if (payload > max_payload) { | |
1634 | ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload); | |
1635 | } | |
1636 | ||
1637 | open_vconn(argv[1], &vconn); | |
1638 | for (i = 0; i < 10; i++) { | |
1639 | struct timeval start, end; | |
1640 | struct ofpbuf *request, *reply; | |
1641 | struct ofp_header *rq_hdr, *rpy_hdr; | |
1642 | ||
1643 | rq_hdr = make_openflow(sizeof(struct ofp_header) + payload, | |
1644 | OFPT_ECHO_REQUEST, &request); | |
1645 | random_bytes(rq_hdr + 1, payload); | |
1646 | ||
279c9e03 | 1647 | xgettimeofday(&start); |
064af421 | 1648 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 1649 | xgettimeofday(&end); |
064af421 BP |
1650 | |
1651 | rpy_hdr = reply->data; | |
1652 | if (reply->size != request->size | |
1653 | || memcmp(rpy_hdr + 1, rq_hdr + 1, payload) | |
1654 | || rpy_hdr->xid != rq_hdr->xid | |
1655 | || rpy_hdr->type != OFPT_ECHO_REPLY) { | |
1656 | printf("Reply does not match request. Request:\n"); | |
4f564f8d | 1657 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 1658 | printf("Reply:\n"); |
4f564f8d | 1659 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 1660 | } |
2886875a | 1661 | printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
44381c1b | 1662 | reply->size - sizeof *rpy_hdr, argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
1663 | (1000*(double)(end.tv_sec - start.tv_sec)) |
1664 | + (.001*(end.tv_usec - start.tv_usec))); | |
1665 | ofpbuf_delete(request); | |
1666 | ofpbuf_delete(reply); | |
1667 | } | |
1668 | vconn_close(vconn); | |
1669 | } | |
1670 | ||
1671 | static void | |
e1fef0f9 | 1672 | ofctl_benchmark(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
1673 | { |
1674 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
1675 | struct timeval start, end; | |
1676 | unsigned int payload_size, message_size; | |
1677 | struct vconn *vconn; | |
1678 | double duration; | |
1679 | int count; | |
1680 | int i; | |
1681 | ||
1682 | payload_size = atoi(argv[2]); | |
1683 | if (payload_size > max_payload) { | |
1684 | ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload); | |
1685 | } | |
1686 | message_size = sizeof(struct ofp_header) + payload_size; | |
1687 | ||
1688 | count = atoi(argv[3]); | |
1689 | ||
1690 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
1691 | count, message_size, count * message_size); | |
1692 | ||
1693 | open_vconn(argv[1], &vconn); | |
279c9e03 | 1694 | xgettimeofday(&start); |
064af421 BP |
1695 | for (i = 0; i < count; i++) { |
1696 | struct ofpbuf *request, *reply; | |
1697 | struct ofp_header *rq_hdr; | |
1698 | ||
1699 | rq_hdr = make_openflow(message_size, OFPT_ECHO_REQUEST, &request); | |
1700 | memset(rq_hdr + 1, 0, payload_size); | |
1701 | run(vconn_transact(vconn, request, &reply), "transact"); | |
1702 | ofpbuf_delete(reply); | |
1703 | } | |
279c9e03 | 1704 | xgettimeofday(&end); |
064af421 BP |
1705 | vconn_close(vconn); |
1706 | ||
1707 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
1708 | + (.001*(end.tv_usec - start.tv_usec))); | |
1709 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
1710 | duration, count / (duration / 1000.0), | |
1711 | count * message_size / (duration / 1000.0)); | |
1712 | } | |
1713 | ||
09246b99 | 1714 | static void |
e1fef0f9 | 1715 | ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
09246b99 BP |
1716 | { |
1717 | usage(); | |
1718 | } | |
1719 | \f | |
0199c526 BP |
1720 | /* replace-flows and diff-flows commands. */ |
1721 | ||
1722 | /* A flow table entry, possibly with two different versions. */ | |
1723 | struct fte { | |
1724 | struct cls_rule rule; /* Within a "struct classifier". */ | |
1725 | struct fte_version *versions[2]; | |
1726 | }; | |
1727 | ||
1728 | /* One version of a Flow Table Entry. */ | |
1729 | struct fte_version { | |
1730 | ovs_be64 cookie; | |
1731 | uint16_t idle_timeout; | |
1732 | uint16_t hard_timeout; | |
1733 | uint16_t flags; | |
f25d0cf3 BP |
1734 | struct ofpact *ofpacts; |
1735 | size_t ofpacts_len; | |
0199c526 BP |
1736 | }; |
1737 | ||
1738 | /* Frees 'version' and the data that it owns. */ | |
1739 | static void | |
1740 | fte_version_free(struct fte_version *version) | |
1741 | { | |
1742 | if (version) { | |
f25d0cf3 | 1743 | free(version->ofpacts); |
0199c526 BP |
1744 | free(version); |
1745 | } | |
1746 | } | |
1747 | ||
1748 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
1749 | * | |
1750 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
1751 | * an OpenFlow switch. We have to assume that they are the same. */ | |
1752 | static bool | |
1753 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
1754 | { | |
1755 | return (a->cookie == b->cookie | |
1756 | && a->idle_timeout == b->idle_timeout | |
1757 | && a->hard_timeout == b->hard_timeout | |
f25d0cf3 BP |
1758 | && ofpacts_equal(a->ofpacts, a->ofpacts_len, |
1759 | b->ofpacts, b->ofpacts_len)); | |
0199c526 BP |
1760 | } |
1761 | ||
1762 | /* Prints 'version' on stdout. Expects the caller to have printed the rule | |
1763 | * associated with the version. */ | |
1764 | static void | |
1765 | fte_version_print(const struct fte_version *version) | |
1766 | { | |
1767 | struct ds s; | |
1768 | ||
1769 | if (version->cookie != htonll(0)) { | |
1770 | printf(" cookie=0x%"PRIx64, ntohll(version->cookie)); | |
1771 | } | |
1772 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
1773 | printf(" idle_timeout=%"PRIu16, version->idle_timeout); | |
1774 | } | |
1775 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
1776 | printf(" hard_timeout=%"PRIu16, version->hard_timeout); | |
1777 | } | |
1778 | ||
1779 | ds_init(&s); | |
f25d0cf3 | 1780 | ofpacts_format(version->ofpacts, version->ofpacts_len, &s); |
0199c526 BP |
1781 | printf(" %s\n", ds_cstr(&s)); |
1782 | ds_destroy(&s); | |
1783 | } | |
1784 | ||
1785 | static struct fte * | |
1786 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
1787 | { | |
1788 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
1789 | } | |
1790 | ||
1791 | /* Frees 'fte' and its versions. */ | |
1792 | static void | |
1793 | fte_free(struct fte *fte) | |
1794 | { | |
1795 | if (fte) { | |
1796 | fte_version_free(fte->versions[0]); | |
1797 | fte_version_free(fte->versions[1]); | |
1798 | free(fte); | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | /* Frees all of the FTEs within 'cls'. */ | |
1803 | static void | |
1804 | fte_free_all(struct classifier *cls) | |
1805 | { | |
1806 | struct cls_cursor cursor; | |
1807 | struct fte *fte, *next; | |
1808 | ||
1809 | cls_cursor_init(&cursor, cls, NULL); | |
1810 | CLS_CURSOR_FOR_EACH_SAFE (fte, next, rule, &cursor) { | |
1811 | classifier_remove(cls, &fte->rule); | |
1812 | fte_free(fte); | |
1813 | } | |
e49190c4 | 1814 | classifier_destroy(cls); |
0199c526 BP |
1815 | } |
1816 | ||
1817 | /* Searches 'cls' for an FTE matching 'rule', inserting a new one if | |
1818 | * necessary. Sets 'version' as the version of that rule with the given | |
1819 | * 'index', replacing any existing version, if any. | |
1820 | * | |
1821 | * Takes ownership of 'version'. */ | |
1822 | static void | |
1823 | fte_insert(struct classifier *cls, const struct cls_rule *rule, | |
1824 | struct fte_version *version, int index) | |
1825 | { | |
1826 | struct fte *old, *fte; | |
1827 | ||
1828 | fte = xzalloc(sizeof *fte); | |
1829 | fte->rule = *rule; | |
1830 | fte->versions[index] = version; | |
1831 | ||
08944c1d | 1832 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule)); |
0199c526 BP |
1833 | if (old) { |
1834 | fte_version_free(old->versions[index]); | |
1835 | fte->versions[!index] = old->versions[!index]; | |
1836 | free(old); | |
1837 | } | |
1838 | } | |
1839 | ||
1840 | /* Reads the flows in 'filename' as flow table entries in 'cls' for the version | |
27527aa0 BP |
1841 | * with the specified 'index'. Returns the flow formats able to represent the |
1842 | * flows that were read. */ | |
1843 | static enum ofputil_protocol | |
0199c526 BP |
1844 | read_flows_from_file(const char *filename, struct classifier *cls, int index) |
1845 | { | |
27527aa0 | 1846 | enum ofputil_protocol usable_protocols; |
0199c526 BP |
1847 | struct ds s; |
1848 | FILE *file; | |
1849 | ||
1850 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
1851 | if (file == NULL) { | |
1852 | ovs_fatal(errno, "%s: open", filename); | |
1853 | } | |
1854 | ||
1855 | ds_init(&s); | |
27527aa0 | 1856 | usable_protocols = OFPUTIL_P_ANY; |
0199c526 BP |
1857 | while (!ds_get_preprocessed_line(&s, file)) { |
1858 | struct fte_version *version; | |
a9a2da38 | 1859 | struct ofputil_flow_mod fm; |
0199c526 | 1860 | |
c821124b | 1861 | parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), true); |
0199c526 BP |
1862 | |
1863 | version = xmalloc(sizeof *version); | |
623e1caf | 1864 | version->cookie = fm.new_cookie; |
0199c526 BP |
1865 | version->idle_timeout = fm.idle_timeout; |
1866 | version->hard_timeout = fm.hard_timeout; | |
1867 | version->flags = fm.flags & (OFPFF_SEND_FLOW_REM | OFPFF_EMERG); | |
f25d0cf3 BP |
1868 | version->ofpacts = fm.ofpacts; |
1869 | version->ofpacts_len = fm.ofpacts_len; | |
0199c526 | 1870 | |
27527aa0 | 1871 | usable_protocols &= ofputil_usable_protocols(&fm.cr); |
0199c526 BP |
1872 | |
1873 | fte_insert(cls, &fm.cr, version, index); | |
1874 | } | |
1875 | ds_destroy(&s); | |
1876 | ||
1877 | if (file != stdin) { | |
1878 | fclose(file); | |
1879 | } | |
1880 | ||
27527aa0 | 1881 | return usable_protocols; |
0199c526 BP |
1882 | } |
1883 | ||
4ce9c315 BP |
1884 | static bool |
1885 | recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid, | |
1886 | struct ofpbuf **replyp, | |
1887 | struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts) | |
1888 | { | |
1889 | struct ofpbuf *reply = *replyp; | |
1890 | ||
1891 | for (;;) { | |
1892 | ovs_be16 flags; | |
1893 | int retval; | |
1894 | ||
1895 | /* Get a flow stats reply message, if we don't already have one. */ | |
1896 | if (!reply) { | |
1897 | const struct ofputil_msg_type *type; | |
1898 | enum ofputil_msg_code code; | |
1899 | ||
1900 | do { | |
1901 | run(vconn_recv_block(vconn, &reply), | |
1902 | "OpenFlow packet receive failed"); | |
1903 | } while (((struct ofp_header *) reply->data)->xid != send_xid); | |
1904 | ||
1905 | ofputil_decode_msg_type(reply->data, &type); | |
1906 | code = ofputil_msg_type_code(type); | |
1907 | if (code != OFPUTIL_OFPST_FLOW_REPLY && | |
1908 | code != OFPUTIL_NXST_FLOW_REPLY) { | |
1909 | ovs_fatal(0, "received bad reply: %s", | |
1910 | ofp_to_string(reply->data, reply->size, | |
1911 | verbosity + 1)); | |
1912 | } | |
1913 | } | |
1914 | ||
1915 | /* Pull an individual flow stats reply out of the message. */ | |
1916 | retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts); | |
1917 | switch (retval) { | |
1918 | case 0: | |
1919 | *replyp = reply; | |
1920 | return true; | |
1921 | ||
1922 | case EOF: | |
1923 | flags = ((const struct ofp_stats_msg *) reply->l2)->flags; | |
1924 | ofpbuf_delete(reply); | |
1925 | if (!(flags & htons(OFPSF_REPLY_MORE))) { | |
1926 | *replyp = NULL; | |
1927 | return false; | |
1928 | } | |
1929 | break; | |
1930 | ||
1931 | default: | |
1932 | ovs_fatal(0, "parse error in reply (%s)", | |
1933 | ofperr_to_string(retval)); | |
1934 | } | |
1935 | } | |
1936 | } | |
1937 | ||
0199c526 | 1938 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow |
27527aa0 | 1939 | * format 'protocol', and adds them as flow table entries in 'cls' for the |
0199c526 BP |
1940 | * version with the specified 'index'. */ |
1941 | static void | |
27527aa0 BP |
1942 | read_flows_from_switch(struct vconn *vconn, |
1943 | enum ofputil_protocol protocol, | |
0199c526 BP |
1944 | struct classifier *cls, int index) |
1945 | { | |
81d1ea94 | 1946 | struct ofputil_flow_stats_request fsr; |
4ce9c315 | 1947 | struct ofputil_flow_stats fs; |
0199c526 | 1948 | struct ofpbuf *request; |
4ce9c315 BP |
1949 | struct ofpbuf ofpacts; |
1950 | struct ofpbuf *reply; | |
0199c526 | 1951 | ovs_be32 send_xid; |
0199c526 BP |
1952 | |
1953 | fsr.aggregate = false; | |
1954 | cls_rule_init_catchall(&fsr.match, 0); | |
1955 | fsr.out_port = OFPP_NONE; | |
1956 | fsr.table_id = 0xff; | |
ecc798ab | 1957 | fsr.cookie = fsr.cookie_mask = htonll(0); |
27527aa0 | 1958 | request = ofputil_encode_flow_stats_request(&fsr, protocol); |
0199c526 BP |
1959 | send_xid = ((struct ofp_header *) request->data)->xid; |
1960 | send_openflow_buffer(vconn, request); | |
1961 | ||
4ce9c315 BP |
1962 | reply = NULL; |
1963 | ofpbuf_init(&ofpacts, 0); | |
1964 | while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) { | |
1965 | struct fte_version *version; | |
0199c526 | 1966 | |
4ce9c315 BP |
1967 | version = xmalloc(sizeof *version); |
1968 | version->cookie = fs.cookie; | |
1969 | version->idle_timeout = fs.idle_timeout; | |
1970 | version->hard_timeout = fs.hard_timeout; | |
1971 | version->flags = 0; | |
1972 | version->ofpacts_len = fs.ofpacts_len; | |
1973 | version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len); | |
1974 | ||
1975 | fte_insert(cls, &fs.rule, version, index); | |
0199c526 | 1976 | } |
4ce9c315 | 1977 | ofpbuf_uninit(&ofpacts); |
0199c526 BP |
1978 | } |
1979 | ||
1980 | static void | |
1981 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
27527aa0 | 1982 | enum ofputil_protocol protocol, struct list *packets) |
0199c526 BP |
1983 | { |
1984 | const struct fte_version *version = fte->versions[index]; | |
a9a2da38 | 1985 | struct ofputil_flow_mod fm; |
0199c526 BP |
1986 | struct ofpbuf *ofm; |
1987 | ||
1988 | fm.cr = fte->rule; | |
623e1caf JP |
1989 | fm.cookie = htonll(0); |
1990 | fm.cookie_mask = htonll(0); | |
1991 | fm.new_cookie = version->cookie; | |
6c1491fb | 1992 | fm.table_id = 0xff; |
0199c526 BP |
1993 | fm.command = command; |
1994 | fm.idle_timeout = version->idle_timeout; | |
1995 | fm.hard_timeout = version->hard_timeout; | |
1996 | fm.buffer_id = UINT32_MAX; | |
1997 | fm.out_port = OFPP_NONE; | |
1998 | fm.flags = version->flags; | |
1999 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || | |
2000 | command == OFPFC_MODIFY_STRICT) { | |
f25d0cf3 BP |
2001 | fm.ofpacts = version->ofpacts; |
2002 | fm.ofpacts_len = version->ofpacts_len; | |
0199c526 | 2003 | } else { |
f25d0cf3 BP |
2004 | fm.ofpacts = NULL; |
2005 | fm.ofpacts_len = 0; | |
0199c526 BP |
2006 | } |
2007 | ||
27527aa0 | 2008 | ofm = ofputil_encode_flow_mod(&fm, protocol); |
0199c526 BP |
2009 | list_push_back(packets, &ofm->list_node); |
2010 | } | |
2011 | ||
2012 | static void | |
e1fef0f9 | 2013 | ofctl_replace_flows(int argc OVS_UNUSED, char *argv[]) |
0199c526 BP |
2014 | { |
2015 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
27527aa0 | 2016 | enum ofputil_protocol usable_protocols, protocol; |
0199c526 BP |
2017 | struct cls_cursor cursor; |
2018 | struct classifier cls; | |
2019 | struct list requests; | |
2020 | struct vconn *vconn; | |
2021 | struct fte *fte; | |
2022 | ||
2023 | classifier_init(&cls); | |
27527aa0 | 2024 | usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX); |
0199c526 | 2025 | |
27527aa0 BP |
2026 | protocol = open_vconn(argv[1], &vconn); |
2027 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
2028 | ||
2029 | read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX); | |
0199c526 BP |
2030 | |
2031 | list_init(&requests); | |
2032 | ||
2033 | /* Delete flows that exist on the switch but not in the file. */ | |
2034 | cls_cursor_init(&cursor, &cls, NULL); | |
2035 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
2036 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
2037 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2038 | ||
2039 | if (sw_ver && !file_ver) { | |
2040 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
27527aa0 | 2041 | protocol, &requests); |
0199c526 BP |
2042 | } |
2043 | } | |
2044 | ||
2045 | /* Add flows that exist in the file but not on the switch. | |
2046 | * Update flows that exist in both places but differ. */ | |
2047 | cls_cursor_init(&cursor, &cls, NULL); | |
2048 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
2049 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
2050 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2051 | ||
c4ea79bf BP |
2052 | if (file_ver |
2053 | && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
27527aa0 | 2054 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests); |
0199c526 BP |
2055 | } |
2056 | } | |
2057 | transact_multiple_noreply(vconn, &requests); | |
2058 | vconn_close(vconn); | |
2059 | ||
2060 | fte_free_all(&cls); | |
2061 | } | |
2062 | ||
2063 | static void | |
2064 | read_flows_from_source(const char *source, struct classifier *cls, int index) | |
2065 | { | |
2066 | struct stat s; | |
2067 | ||
2068 | if (source[0] == '/' || source[0] == '.' | |
2069 | || (!strchr(source, ':') && !stat(source, &s))) { | |
2070 | read_flows_from_file(source, cls, index); | |
2071 | } else { | |
27527aa0 | 2072 | enum ofputil_protocol protocol; |
0199c526 BP |
2073 | struct vconn *vconn; |
2074 | ||
27527aa0 BP |
2075 | protocol = open_vconn(source, &vconn); |
2076 | protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY); | |
2077 | read_flows_from_switch(vconn, protocol, cls, index); | |
0199c526 BP |
2078 | vconn_close(vconn); |
2079 | } | |
2080 | } | |
2081 | ||
2082 | static void | |
e1fef0f9 | 2083 | ofctl_diff_flows(int argc OVS_UNUSED, char *argv[]) |
0199c526 BP |
2084 | { |
2085 | bool differences = false; | |
2086 | struct cls_cursor cursor; | |
2087 | struct classifier cls; | |
2088 | struct fte *fte; | |
2089 | ||
2090 | classifier_init(&cls); | |
2091 | read_flows_from_source(argv[1], &cls, 0); | |
2092 | read_flows_from_source(argv[2], &cls, 1); | |
2093 | ||
2094 | cls_cursor_init(&cursor, &cls, NULL); | |
2095 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
2096 | struct fte_version *a = fte->versions[0]; | |
2097 | struct fte_version *b = fte->versions[1]; | |
2098 | ||
2099 | if (!a || !b || !fte_version_equals(a, b)) { | |
2100 | char *rule_s = cls_rule_to_string(&fte->rule); | |
2101 | if (a) { | |
2102 | printf("-%s", rule_s); | |
2103 | fte_version_print(a); | |
2104 | } | |
2105 | if (b) { | |
2106 | printf("+%s", rule_s); | |
2107 | fte_version_print(b); | |
2108 | } | |
2109 | free(rule_s); | |
2110 | ||
2111 | differences = true; | |
2112 | } | |
2113 | } | |
2114 | ||
2115 | fte_free_all(&cls); | |
2116 | ||
2117 | if (differences) { | |
2118 | exit(2); | |
2119 | } | |
2120 | } | |
2121 | \f | |
09246b99 BP |
2122 | /* Undocumented commands for unit testing. */ |
2123 | ||
770f1f66 | 2124 | static void |
e1fef0f9 | 2125 | ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms) |
770f1f66 | 2126 | { |
27527aa0 BP |
2127 | enum ofputil_protocol usable_protocols; |
2128 | enum ofputil_protocol protocol = 0; | |
2129 | char *usable_s; | |
2130 | size_t i; | |
770f1f66 | 2131 | |
27527aa0 BP |
2132 | usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms); |
2133 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
2134 | printf("usable protocols: %s\n", usable_s); | |
2135 | free(usable_s); | |
2136 | ||
2137 | if (!(usable_protocols & allowed_protocols)) { | |
2138 | ovs_fatal(0, "no usable protocol"); | |
2139 | } | |
2140 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
2141 | protocol = 1 << i; | |
2142 | if (protocol & usable_protocols & allowed_protocols) { | |
2143 | break; | |
2144 | } | |
2145 | } | |
2146 | assert(IS_POW2(protocol)); | |
2147 | ||
2148 | printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol)); | |
2149 | ||
2150 | for (i = 0; i < n_fms; i++) { | |
2151 | struct ofputil_flow_mod *fm = &fms[i]; | |
2152 | struct ofpbuf *msg; | |
2153 | ||
2154 | msg = ofputil_encode_flow_mod(fm, protocol); | |
2155 | ofp_print(stdout, msg->data, msg->size, verbosity); | |
2156 | ofpbuf_delete(msg); | |
2157 | ||
f25d0cf3 | 2158 | free(fm->ofpacts); |
770f1f66 BP |
2159 | } |
2160 | } | |
2161 | ||
2162 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
2163 | * it back to stdout. */ | |
2164 | static void | |
e1fef0f9 | 2165 | ofctl_parse_flow(int argc OVS_UNUSED, char *argv[]) |
770f1f66 | 2166 | { |
27527aa0 | 2167 | struct ofputil_flow_mod fm; |
770f1f66 | 2168 | |
27527aa0 | 2169 | parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD, false); |
e1fef0f9 | 2170 | ofctl_parse_flows__(&fm, 1); |
770f1f66 BP |
2171 | } |
2172 | ||
fec00620 BP |
2173 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
2174 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 | 2175 | static void |
e1fef0f9 | 2176 | ofctl_parse_flows(int argc OVS_UNUSED, char *argv[]) |
0e581146 | 2177 | { |
27527aa0 BP |
2178 | struct ofputil_flow_mod *fms = NULL; |
2179 | size_t n_fms = 0; | |
0e581146 | 2180 | |
27527aa0 | 2181 | parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms); |
e1fef0f9 | 2182 | ofctl_parse_flows__(fms, n_fms); |
27527aa0 | 2183 | free(fms); |
0e581146 BP |
2184 | } |
2185 | ||
064af421 | 2186 | static void |
e1fef0f9 | 2187 | ofctl_parse_nxm__(bool oxm) |
09246b99 BP |
2188 | { |
2189 | struct ds in; | |
2190 | ||
2191 | ds_init(&in); | |
06d7ae7d | 2192 | while (!ds_get_test_line(&in, stdin)) { |
09246b99 BP |
2193 | struct ofpbuf nx_match; |
2194 | struct cls_rule rule; | |
e729e793 | 2195 | ovs_be64 cookie, cookie_mask; |
90bf1e07 | 2196 | enum ofperr error; |
09246b99 | 2197 | int match_len; |
09246b99 BP |
2198 | |
2199 | /* Convert string to nx_match. */ | |
2200 | ofpbuf_init(&nx_match, 0); | |
2201 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
2202 | ||
2203 | /* Convert nx_match to cls_rule. */ | |
102ce766 EJ |
2204 | if (strict) { |
2205 | error = nx_pull_match(&nx_match, match_len, 0, &rule, | |
2206 | &cookie, &cookie_mask); | |
2207 | } else { | |
2208 | error = nx_pull_match_loose(&nx_match, match_len, 0, &rule, | |
2209 | &cookie, &cookie_mask); | |
2210 | } | |
2211 | ||
09246b99 BP |
2212 | if (!error) { |
2213 | char *out; | |
2214 | ||
2215 | /* Convert cls_rule back to nx_match. */ | |
2216 | ofpbuf_uninit(&nx_match); | |
2217 | ofpbuf_init(&nx_match, 0); | |
b5ae8913 SH |
2218 | match_len = nx_put_match(&nx_match, oxm, &rule, |
2219 | cookie, cookie_mask); | |
09246b99 BP |
2220 | |
2221 | /* Convert nx_match to string. */ | |
2222 | out = nx_match_to_string(nx_match.data, match_len); | |
2223 | puts(out); | |
2224 | free(out); | |
2225 | } else { | |
90bf1e07 BP |
2226 | printf("nx_pull_match() returned error %s\n", |
2227 | ofperr_get_name(error)); | |
09246b99 BP |
2228 | } |
2229 | ||
2230 | ofpbuf_uninit(&nx_match); | |
2231 | } | |
2232 | ds_destroy(&in); | |
064af421 BP |
2233 | } |
2234 | ||
b5ae8913 SH |
2235 | /* "parse-nxm": reads a series of NXM nx_match specifications as strings from |
2236 | * stdin, does some internal fussing with them, and then prints them back as | |
2237 | * strings on stdout. */ | |
2238 | static void | |
e1fef0f9 | 2239 | ofctl_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
b5ae8913 | 2240 | { |
e1fef0f9 | 2241 | return ofctl_parse_nxm__(false); |
b5ae8913 SH |
2242 | } |
2243 | ||
2244 | /* "parse-oxm": reads a series of OXM nx_match specifications as strings from | |
2245 | * stdin, does some internal fussing with them, and then prints them back as | |
2246 | * strings on stdout. */ | |
2247 | static void | |
e1fef0f9 | 2248 | ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
b5ae8913 | 2249 | { |
e1fef0f9 | 2250 | return ofctl_parse_nxm__(true); |
b5ae8913 SH |
2251 | } |
2252 | ||
f25d0cf3 BP |
2253 | static void |
2254 | print_differences(const void *a_, size_t a_len, | |
2255 | const void *b_, size_t b_len) | |
2256 | { | |
2257 | const uint8_t *a = a_; | |
2258 | const uint8_t *b = b_; | |
2259 | size_t i; | |
2260 | ||
2261 | for (i = 0; i < MIN(a_len, b_len); i++) { | |
2262 | if (a[i] != b[i]) { | |
2263 | printf("%2zu: %02"PRIx8" -> %02"PRIx8"\n", i, a[i], b[i]); | |
2264 | } | |
2265 | } | |
2266 | for (i = a_len; i < b_len; i++) { | |
2267 | printf("%2zu: (none) -> %02"PRIx8"\n", i, b[i]); | |
2268 | } | |
2269 | for (i = b_len; i < a_len; i++) { | |
2270 | printf("%2zu: %02"PRIx8" -> (none)\n", i, a[i]); | |
2271 | } | |
2272 | } | |
2273 | ||
2274 | /* "parse-ofp10-actions": reads a series of OpenFlow 1.0 action specifications | |
2275 | * as hex bytes from stdin, converts them to ofpacts, prints them as strings | |
2276 | * on stdout, and then converts them back to hex bytes and prints any | |
2277 | * differences from the input. */ | |
2278 | static void | |
e1fef0f9 | 2279 | ofctl_parse_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
f25d0cf3 BP |
2280 | { |
2281 | struct ds in; | |
2282 | ||
2283 | ds_init(&in); | |
2284 | while (!ds_get_preprocessed_line(&in, stdin)) { | |
2285 | struct ofpbuf of10_out; | |
2286 | struct ofpbuf of10_in; | |
2287 | struct ofpbuf ofpacts; | |
2288 | enum ofperr error; | |
2289 | size_t size; | |
2290 | struct ds s; | |
2291 | ||
2292 | /* Parse hex bytes. */ | |
2293 | ofpbuf_init(&of10_in, 0); | |
2294 | if (ofpbuf_put_hex(&of10_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2295 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2296 | } | |
2297 | ||
2298 | /* Convert to ofpacts. */ | |
2299 | ofpbuf_init(&ofpacts, 0); | |
2300 | size = of10_in.size; | |
d01c980f | 2301 | error = ofpacts_pull_openflow10(&of10_in, of10_in.size, &ofpacts); |
f25d0cf3 BP |
2302 | if (error) { |
2303 | printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error)); | |
2304 | ofpbuf_uninit(&ofpacts); | |
2305 | ofpbuf_uninit(&of10_in); | |
2306 | continue; | |
2307 | } | |
2308 | ofpbuf_push_uninit(&of10_in, size); | |
2309 | ||
2310 | /* Print cls_rule. */ | |
2311 | ds_init(&s); | |
2312 | ofpacts_format(ofpacts.data, ofpacts.size, &s); | |
2313 | puts(ds_cstr(&s)); | |
2314 | ds_destroy(&s); | |
2315 | ||
2316 | /* Convert back to ofp10 actions and print differences from input. */ | |
2317 | ofpbuf_init(&of10_out, 0); | |
d01c980f | 2318 | ofpacts_put_openflow10(ofpacts.data, ofpacts.size, &of10_out); |
f25d0cf3 BP |
2319 | |
2320 | print_differences(of10_in.data, of10_in.size, | |
2321 | of10_out.data, of10_out.size); | |
2322 | putchar('\n'); | |
2323 | ||
2324 | ofpbuf_uninit(&ofpacts); | |
2325 | ofpbuf_uninit(&of10_in); | |
2326 | ofpbuf_uninit(&of10_out); | |
2327 | } | |
2328 | ds_destroy(&in); | |
2329 | } | |
2330 | ||
410698cf BP |
2331 | /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex |
2332 | * bytes from stdin, converts them to cls_rules, prints them as strings on | |
2333 | * stdout, and then converts them back to hex bytes and prints any differences | |
2334 | * from the input. */ | |
2335 | static void | |
e1fef0f9 | 2336 | ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
410698cf BP |
2337 | { |
2338 | struct ds in; | |
2339 | ||
2340 | ds_init(&in); | |
2341 | while (!ds_get_preprocessed_line(&in, stdin)) { | |
2342 | struct ofpbuf match_in; | |
2343 | struct ofp11_match match_out; | |
2344 | struct cls_rule rule; | |
2345 | enum ofperr error; | |
410698cf BP |
2346 | |
2347 | /* Parse hex bytes. */ | |
2348 | ofpbuf_init(&match_in, 0); | |
2349 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2350 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2351 | } | |
2352 | if (match_in.size != sizeof(struct ofp11_match)) { | |
2353 | ovs_fatal(0, "Input is %zu bytes, expected %zu", | |
2354 | match_in.size, sizeof(struct ofp11_match)); | |
2355 | } | |
2356 | ||
2357 | /* Convert to cls_rule. */ | |
2358 | error = ofputil_cls_rule_from_ofp11_match(match_in.data, | |
2359 | OFP_DEFAULT_PRIORITY, &rule); | |
2360 | if (error) { | |
2361 | printf("bad ofp11_match: %s\n\n", ofperr_get_name(error)); | |
2362 | ofpbuf_uninit(&match_in); | |
2363 | continue; | |
2364 | } | |
2365 | ||
2366 | /* Print cls_rule. */ | |
2367 | cls_rule_print(&rule); | |
2368 | ||
2369 | /* Convert back to ofp11_match and print differences from input. */ | |
2370 | ofputil_cls_rule_to_ofp11_match(&rule, &match_out); | |
2371 | ||
d01c980f BP |
2372 | print_differences(match_in.data, match_in.size, |
2373 | &match_out, sizeof match_out); | |
2374 | putchar('\n'); | |
410698cf | 2375 | |
d01c980f BP |
2376 | ofpbuf_uninit(&match_in); |
2377 | } | |
2378 | ds_destroy(&in); | |
2379 | } | |
2380 | ||
2381 | /* "parse-ofp11-actions": reads a series of OpenFlow 1.1 action specifications | |
2382 | * as hex bytes from stdin, converts them to ofpacts, prints them as strings | |
2383 | * on stdout, and then converts them back to hex bytes and prints any | |
2384 | * differences from the input. */ | |
2385 | static void | |
e1fef0f9 | 2386 | ofctl_parse_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
d01c980f BP |
2387 | { |
2388 | struct ds in; | |
2389 | ||
2390 | ds_init(&in); | |
2391 | while (!ds_get_preprocessed_line(&in, stdin)) { | |
2392 | struct ofpbuf of11_out; | |
2393 | struct ofpbuf of11_in; | |
2394 | struct ofpbuf ofpacts; | |
2395 | enum ofperr error; | |
2396 | size_t size; | |
2397 | struct ds s; | |
2398 | ||
2399 | /* Parse hex bytes. */ | |
2400 | ofpbuf_init(&of11_in, 0); | |
2401 | if (ofpbuf_put_hex(&of11_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2402 | ovs_fatal(0, "Trailing garbage in hex data"); | |
410698cf | 2403 | } |
d01c980f BP |
2404 | |
2405 | /* Convert to ofpacts. */ | |
2406 | ofpbuf_init(&ofpacts, 0); | |
2407 | size = of11_in.size; | |
2408 | error = ofpacts_pull_openflow11_actions(&of11_in, of11_in.size, | |
2409 | &ofpacts); | |
2410 | if (error) { | |
2411 | printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error)); | |
2412 | ofpbuf_uninit(&ofpacts); | |
2413 | ofpbuf_uninit(&of11_in); | |
2414 | continue; | |
2415 | } | |
2416 | ofpbuf_push_uninit(&of11_in, size); | |
2417 | ||
2418 | /* Print cls_rule. */ | |
2419 | ds_init(&s); | |
2420 | ofpacts_format(ofpacts.data, ofpacts.size, &s); | |
2421 | puts(ds_cstr(&s)); | |
2422 | ds_destroy(&s); | |
2423 | ||
2424 | /* Convert back to ofp11 actions and print differences from input. */ | |
2425 | ofpbuf_init(&of11_out, 0); | |
2426 | ofpacts_put_openflow11_actions(ofpacts.data, ofpacts.size, &of11_out); | |
2427 | ||
2428 | print_differences(of11_in.data, of11_in.size, | |
2429 | of11_out.data, of11_out.size); | |
410698cf BP |
2430 | putchar('\n'); |
2431 | ||
d01c980f BP |
2432 | ofpbuf_uninit(&ofpacts); |
2433 | ofpbuf_uninit(&of11_in); | |
2434 | ofpbuf_uninit(&of11_out); | |
2435 | } | |
2436 | ds_destroy(&in); | |
2437 | } | |
2438 | ||
2439 | /* "parse-ofp11-instructions": reads a series of OpenFlow 1.1 instruction | |
2440 | * specifications as hex bytes from stdin, converts them to ofpacts, prints | |
2441 | * them as strings on stdout, and then converts them back to hex bytes and | |
2442 | * prints any differences from the input. */ | |
2443 | static void | |
e1fef0f9 | 2444 | ofctl_parse_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
d01c980f BP |
2445 | { |
2446 | struct ds in; | |
2447 | ||
2448 | ds_init(&in); | |
2449 | while (!ds_get_preprocessed_line(&in, stdin)) { | |
2450 | struct ofpbuf of11_out; | |
2451 | struct ofpbuf of11_in; | |
2452 | struct ofpbuf ofpacts; | |
2453 | enum ofperr error; | |
2454 | size_t size; | |
2455 | struct ds s; | |
2456 | ||
2457 | /* Parse hex bytes. */ | |
2458 | ofpbuf_init(&of11_in, 0); | |
2459 | if (ofpbuf_put_hex(&of11_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2460 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2461 | } | |
2462 | ||
2463 | /* Convert to ofpacts. */ | |
2464 | ofpbuf_init(&ofpacts, 0); | |
2465 | size = of11_in.size; | |
2466 | error = ofpacts_pull_openflow11_instructions(&of11_in, of11_in.size, | |
2467 | &ofpacts); | |
2468 | if (error) { | |
2469 | printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error)); | |
2470 | ofpbuf_uninit(&ofpacts); | |
2471 | ofpbuf_uninit(&of11_in); | |
2472 | continue; | |
2473 | } | |
2474 | ofpbuf_push_uninit(&of11_in, size); | |
2475 | ||
2476 | /* Print cls_rule. */ | |
2477 | ds_init(&s); | |
2478 | ofpacts_format(ofpacts.data, ofpacts.size, &s); | |
2479 | puts(ds_cstr(&s)); | |
2480 | ds_destroy(&s); | |
2481 | ||
2482 | /* Convert back to ofp11 instructions and print differences from | |
2483 | * input. */ | |
2484 | ofpbuf_init(&of11_out, 0); | |
2485 | ofpacts_put_openflow11_instructions(ofpacts.data, ofpacts.size, | |
2486 | &of11_out); | |
2487 | ||
2488 | print_differences(of11_in.data, of11_in.size, | |
2489 | of11_out.data, of11_out.size); | |
2490 | putchar('\n'); | |
2491 | ||
2492 | ofpbuf_uninit(&ofpacts); | |
2493 | ofpbuf_uninit(&of11_in); | |
2494 | ofpbuf_uninit(&of11_out); | |
410698cf BP |
2495 | } |
2496 | ds_destroy(&in); | |
2497 | } | |
2498 | ||
2e0525bc SH |
2499 | /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow |
2500 | * version. */ | |
2501 | static void | |
e1fef0f9 | 2502 | ofctl_print_error(int argc OVS_UNUSED, char *argv[]) |
2e0525bc SH |
2503 | { |
2504 | enum ofperr error; | |
2505 | int version; | |
2506 | ||
2507 | error = ofperr_from_name(argv[1]); | |
2508 | if (!error) { | |
2509 | ovs_fatal(0, "unknown error \"%s\"", argv[1]); | |
2510 | } | |
2511 | ||
2512 | for (version = 0; version <= UINT8_MAX; version++) { | |
2513 | const struct ofperr_domain *domain; | |
2514 | ||
2515 | domain = ofperr_domain_from_version(version); | |
2516 | if (!domain) { | |
2517 | continue; | |
2518 | } | |
2519 | ||
2520 | printf("%s: %d,%d\n", | |
2521 | ofperr_domain_get_name(domain), | |
2522 | ofperr_get_type(error, domain), | |
2523 | ofperr_get_code(error, domain)); | |
2524 | } | |
2525 | } | |
2526 | ||
fec00620 BP |
2527 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
2528 | * binary data, interpreting them as an OpenFlow message, and prints the | |
2529 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). */ | |
2530 | static void | |
e1fef0f9 | 2531 | ofctl_ofp_print(int argc, char *argv[]) |
fec00620 BP |
2532 | { |
2533 | struct ofpbuf packet; | |
2534 | ||
2535 | ofpbuf_init(&packet, strlen(argv[1]) / 2); | |
2536 | if (ofpbuf_put_hex(&packet, argv[1], NULL)[0] != '\0') { | |
2537 | ovs_fatal(0, "trailing garbage following hex bytes"); | |
2538 | } | |
2539 | ofp_print(stdout, packet.data, packet.size, argc > 2 ? atoi(argv[2]) : 2); | |
2540 | ofpbuf_uninit(&packet); | |
2541 | } | |
2542 | ||
675febfa | 2543 | static const struct command all_commands[] = { |
e1fef0f9 AS |
2544 | { "show", 1, 1, ofctl_show }, |
2545 | { "monitor", 1, 3, ofctl_monitor }, | |
2546 | { "snoop", 1, 1, ofctl_snoop }, | |
2547 | { "dump-desc", 1, 1, ofctl_dump_desc }, | |
2548 | { "dump-tables", 1, 1, ofctl_dump_tables }, | |
2549 | { "dump-flows", 1, 2, ofctl_dump_flows }, | |
2550 | { "dump-aggregate", 1, 2, ofctl_dump_aggregate }, | |
2551 | { "queue-stats", 1, 3, ofctl_queue_stats }, | |
2552 | { "add-flow", 2, 2, ofctl_add_flow }, | |
2553 | { "add-flows", 2, 2, ofctl_add_flows }, | |
2554 | { "mod-flows", 2, 2, ofctl_mod_flows }, | |
2555 | { "del-flows", 1, 2, ofctl_del_flows }, | |
2556 | { "replace-flows", 2, 2, ofctl_replace_flows }, | |
2557 | { "diff-flows", 2, 2, ofctl_diff_flows }, | |
2558 | { "packet-out", 4, INT_MAX, ofctl_packet_out }, | |
2559 | { "dump-ports", 1, 2, ofctl_dump_ports }, | |
2560 | { "dump-ports-desc", 1, 1, ofctl_dump_ports_desc }, | |
2561 | { "mod-port", 3, 3, ofctl_mod_port }, | |
2562 | { "get-frags", 1, 1, ofctl_get_frags }, | |
2563 | { "set-frags", 2, 2, ofctl_set_frags }, | |
2564 | { "probe", 1, 1, ofctl_probe }, | |
2565 | { "ping", 1, 2, ofctl_ping }, | |
2566 | { "benchmark", 3, 3, ofctl_benchmark }, | |
2567 | { "help", 0, INT_MAX, ofctl_help }, | |
09246b99 BP |
2568 | |
2569 | /* Undocumented commands for testing. */ | |
e1fef0f9 AS |
2570 | { "parse-flow", 1, 1, ofctl_parse_flow }, |
2571 | { "parse-flows", 1, 1, ofctl_parse_flows }, | |
2572 | { "parse-nx-match", 0, 0, ofctl_parse_nxm }, | |
2573 | { "parse-nxm", 0, 0, ofctl_parse_nxm }, | |
2574 | { "parse-oxm", 0, 0, ofctl_parse_oxm }, | |
2575 | { "parse-ofp10-actions", 0, 0, ofctl_parse_ofp10_actions }, | |
2576 | { "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match }, | |
2577 | { "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions }, | |
2578 | { "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions }, | |
2579 | { "print-error", 1, 1, ofctl_print_error }, | |
2580 | { "ofp-print", 1, 2, ofctl_ofp_print }, | |
09246b99 | 2581 | |
064af421 BP |
2582 | { NULL, 0, 0, NULL }, |
2583 | }; |