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064af421 | 1 | /* |
82c8c53c | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 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" |
982697a4 | 43 | #include "ofp-msgs.h" |
f22716dc | 44 | #include "ofp-parse.h" |
064af421 | 45 | #include "ofp-print.h" |
fa37b408 | 46 | #include "ofp-util.h" |
a53a8efa | 47 | #include "ofp-version-opt.h" |
064af421 | 48 | #include "ofpbuf.h" |
63d347ce | 49 | #include "ofproto/ofproto.h" |
064af421 BP |
50 | #include "openflow/nicira-ext.h" |
51 | #include "openflow/openflow.h" | |
0c3d5fc8 | 52 | #include "packets.h" |
1eb85ef5 | 53 | #include "poll-loop.h" |
064af421 | 54 | #include "random.h" |
fe55ad15 | 55 | #include "stream-ssl.h" |
c3f25389 | 56 | #include "socket-util.h" |
064af421 | 57 | #include "timeval.h" |
1eb85ef5 | 58 | #include "unixctl.h" |
064af421 | 59 | #include "util.h" |
064af421 | 60 | #include "vconn.h" |
5136ce49 | 61 | #include "vlog.h" |
bdcc5925 BP |
62 | #include "meta-flow.h" |
63 | #include "sort.h" | |
064af421 | 64 | |
d98e6007 | 65 | VLOG_DEFINE_THIS_MODULE(ofctl); |
064af421 | 66 | |
102ce766 EJ |
67 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
68 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
69 | */ | |
675febfa | 70 | static bool strict; |
064af421 | 71 | |
96989efc | 72 | /* --readd: If true, on replace-flows, re-add even flows that have not changed |
c4ea79bf BP |
73 | * (to reset flow counters). */ |
74 | static bool readd; | |
75 | ||
27527aa0 BP |
76 | /* -F, --flow-format: Allowed protocols. By default, any protocol is |
77 | * allowed. */ | |
78 | static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY; | |
88ca35ee | 79 | |
54834960 EJ |
80 | /* -P, --packet-in-format: Packet IN format to use in monitor and snoop |
81 | * commands. Either one of NXPIF_* to force a particular packet_in format, or | |
82 | * -1 to let ovs-ofctl choose the default. */ | |
83 | static int preferred_packet_in_format = -1; | |
84 | ||
4f564f8d BP |
85 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
86 | static int verbosity; | |
87 | ||
0c9560b7 BP |
88 | /* --timestamp: Print a timestamp before each received packet on "monitor" and |
89 | * "snoop" command? */ | |
90 | static bool timestamp; | |
91 | ||
bdcc5925 BP |
92 | /* --sort, --rsort: Sort order. */ |
93 | enum sort_order { SORT_ASC, SORT_DESC }; | |
94 | struct sort_criterion { | |
95 | const struct mf_field *field; /* NULL means to sort by priority. */ | |
96 | enum sort_order order; | |
97 | }; | |
98 | static struct sort_criterion *criteria; | |
99 | static size_t n_criteria, allocated_criteria; | |
100 | ||
3815d6c2 | 101 | static const struct command *get_all_commands(void); |
064af421 BP |
102 | |
103 | static void usage(void) NO_RETURN; | |
675febfa | 104 | static void parse_options(int argc, char *argv[]); |
064af421 | 105 | |
bdcc5925 BP |
106 | static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid, |
107 | struct ofpbuf **replyp, | |
108 | struct ofputil_flow_stats *, | |
109 | struct ofpbuf *ofpacts); | |
675febfa BP |
110 | int |
111 | main(int argc, char *argv[]) | |
064af421 | 112 | { |
064af421 | 113 | set_program_name(argv[0]); |
675febfa | 114 | parse_options(argc, argv); |
064af421 | 115 | signal(SIGPIPE, SIG_IGN); |
3815d6c2 | 116 | run_command(argc - optind, argv + optind, get_all_commands()); |
064af421 BP |
117 | return 0; |
118 | } | |
119 | ||
bdcc5925 BP |
120 | static void |
121 | add_sort_criterion(enum sort_order order, const char *field) | |
122 | { | |
123 | struct sort_criterion *sc; | |
124 | ||
125 | if (n_criteria >= allocated_criteria) { | |
126 | criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria); | |
127 | } | |
128 | ||
129 | sc = &criteria[n_criteria++]; | |
130 | if (!field || !strcasecmp(field, "priority")) { | |
131 | sc->field = NULL; | |
132 | } else { | |
133 | sc->field = mf_from_name(field); | |
134 | if (!sc->field) { | |
135 | ovs_fatal(0, "%s: unknown field name", field); | |
136 | } | |
137 | } | |
138 | sc->order = order; | |
139 | } | |
140 | ||
064af421 | 141 | static void |
675febfa | 142 | parse_options(int argc, char *argv[]) |
064af421 BP |
143 | { |
144 | enum { | |
87c84891 | 145 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 146 | OPT_READD, |
0c9560b7 | 147 | OPT_TIMESTAMP, |
bdcc5925 BP |
148 | OPT_SORT, |
149 | OPT_RSORT, | |
1eb85ef5 | 150 | DAEMON_OPTION_ENUMS, |
a53a8efa | 151 | OFP_VERSION_OPTION_ENUMS, |
87c84891 | 152 | VLOG_OPTION_ENUMS |
064af421 | 153 | }; |
07fc4ed3 | 154 | static const struct option long_options[] = { |
e3c17733 BP |
155 | {"timeout", required_argument, NULL, 't'}, |
156 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 157 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 | 158 | {"flow-format", required_argument, NULL, 'F'}, |
54834960 | 159 | {"packet-in-format", required_argument, NULL, 'P'}, |
e3c17733 | 160 | {"more", no_argument, NULL, 'm'}, |
0c9560b7 | 161 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
bdcc5925 BP |
162 | {"sort", optional_argument, NULL, OPT_SORT}, |
163 | {"rsort", optional_argument, NULL, OPT_RSORT}, | |
e3c17733 | 164 | {"help", no_argument, NULL, 'h'}, |
1eb85ef5 | 165 | DAEMON_LONG_OPTIONS, |
a53a8efa | 166 | OFP_VERSION_LONG_OPTIONS, |
87c84891 | 167 | VLOG_LONG_OPTIONS, |
bf8f2167 | 168 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 169 | {NULL, 0, NULL, 0}, |
064af421 BP |
170 | }; |
171 | char *short_options = long_options_to_short_options(long_options); | |
37923ac7 BP |
172 | uint32_t versions; |
173 | enum ofputil_protocol version_protocols; | |
064af421 | 174 | |
064af421 BP |
175 | for (;;) { |
176 | unsigned long int timeout; | |
177 | int c; | |
178 | ||
179 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
180 | if (c == -1) { | |
181 | break; | |
182 | } | |
183 | ||
184 | switch (c) { | |
185 | case 't': | |
186 | timeout = strtoul(optarg, NULL, 10); | |
187 | if (timeout <= 0) { | |
188 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
189 | optarg); | |
190 | } else { | |
191 | time_alarm(timeout); | |
192 | } | |
193 | break; | |
194 | ||
88ca35ee | 195 | case 'F': |
27527aa0 BP |
196 | allowed_protocols = ofputil_protocols_from_string(optarg); |
197 | if (!allowed_protocols) { | |
198 | ovs_fatal(0, "%s: invalid flow format(s)", optarg); | |
88ca35ee BP |
199 | } |
200 | break; | |
201 | ||
54834960 EJ |
202 | case 'P': |
203 | preferred_packet_in_format = | |
204 | ofputil_packet_in_format_from_string(optarg); | |
205 | if (preferred_packet_in_format < 0) { | |
206 | ovs_fatal(0, "unknown packet-in format `%s'", optarg); | |
207 | } | |
208 | break; | |
209 | ||
4f564f8d BP |
210 | case 'm': |
211 | verbosity++; | |
212 | break; | |
213 | ||
064af421 BP |
214 | case 'h': |
215 | usage(); | |
216 | ||
064af421 | 217 | case OPT_STRICT: |
675febfa | 218 | strict = true; |
064af421 BP |
219 | break; |
220 | ||
c4ea79bf BP |
221 | case OPT_READD: |
222 | readd = true; | |
223 | break; | |
224 | ||
0c9560b7 BP |
225 | case OPT_TIMESTAMP: |
226 | timestamp = true; | |
227 | break; | |
228 | ||
bdcc5925 BP |
229 | case OPT_SORT: |
230 | add_sort_criterion(SORT_ASC, optarg); | |
231 | break; | |
232 | ||
233 | case OPT_RSORT: | |
234 | add_sort_criterion(SORT_DESC, optarg); | |
235 | break; | |
236 | ||
1eb85ef5 | 237 | DAEMON_OPTION_HANDLERS |
a53a8efa | 238 | OFP_VERSION_OPTION_HANDLERS |
87c84891 | 239 | VLOG_OPTION_HANDLERS |
fe55ad15 | 240 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
241 | |
242 | case '?': | |
243 | exit(EXIT_FAILURE); | |
244 | ||
245 | default: | |
246 | abort(); | |
247 | } | |
248 | } | |
bdcc5925 BP |
249 | |
250 | if (n_criteria) { | |
251 | /* Always do a final sort pass based on priority. */ | |
252 | add_sort_criterion(SORT_DESC, "priority"); | |
253 | } | |
254 | ||
064af421 | 255 | free(short_options); |
37923ac7 BP |
256 | |
257 | versions = get_allowed_ofp_versions(); | |
258 | version_protocols = ofputil_protocols_from_version_bitmap(versions); | |
259 | if (!(allowed_protocols & version_protocols)) { | |
260 | char *protocols = ofputil_protocols_to_string(allowed_protocols); | |
261 | struct ds version_s = DS_EMPTY_INITIALIZER; | |
262 | ||
263 | ofputil_format_version_bitmap_names(&version_s, versions); | |
264 | ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports " | |
265 | "any of the enabled flow formats (%s). (Use -O to enable " | |
266 | "additional OpenFlow versions or -F to enable additional " | |
267 | "flow formats.)", ds_cstr(&version_s), protocols); | |
268 | } | |
269 | allowed_protocols &= version_protocols; | |
270 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
271 | allowed_protocols)); | |
064af421 BP |
272 | } |
273 | ||
274 | static void | |
275 | usage(void) | |
276 | { | |
277 | printf("%s: OpenFlow switch management utility\n" | |
278 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
279 | "\nFor OpenFlow switches:\n" | |
280 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
281 | " dump-desc SWITCH print switch description\n" |
282 | " dump-tables SWITCH print table stats\n" | |
283 | " mod-port SWITCH IFACE ACT modify port behavior\n" | |
7257b535 BP |
284 | " get-frags SWITCH print fragment handling behavior\n" |
285 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
abaad8cf | 286 | " dump-ports SWITCH [PORT] print port statistics\n" |
2be393ed | 287 | " dump-ports-desc SWITCH print port descriptions\n" |
064af421 BP |
288 | " dump-flows SWITCH print all flow entries\n" |
289 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
290 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
291 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 292 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
293 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
294 | " add-flows SWITCH FILE add flows from FILE\n" | |
295 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
296 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 297 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
1dac118c | 298 | " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n" |
0c3d5fc8 BP |
299 | " packet-out SWITCH IN_PORT ACTIONS PACKET...\n" |
300 | " execute ACTIONS on PACKET\n" | |
2b07c8b1 | 301 | " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n" |
1dac118c BP |
302 | " print packets received from SWITCH\n" |
303 | " snoop SWITCH snoop on SWITCH and its controller\n" | |
064af421 | 304 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
305 | " probe TARGET probe whether TARGET is up\n" |
306 | " ping TARGET [N] latency of N-byte echos\n" | |
307 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
1ac0e975 BP |
308 | "SWITCH or TARGET is an active OpenFlow connection method.\n" |
309 | "\nOther commands:\n" | |
310 | " ofp-parse FILE print messages read from FILE\n", | |
064af421 BP |
311 | program_name, program_name); |
312 | vconn_usage(true, false, false); | |
1eb85ef5 | 313 | daemon_usage(); |
a53a8efa | 314 | ofp_version_usage(); |
064af421 BP |
315 | vlog_usage(); |
316 | printf("\nOther options:\n" | |
317 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 318 | " --readd replace flows that haven't changed\n" |
88ca35ee | 319 | " -F, --flow-format=FORMAT force particular flow format\n" |
54834960 | 320 | " -P, --packet-in-format=FRMT force particular packet in format\n" |
4f564f8d | 321 | " -m, --more be more verbose printing OpenFlow\n" |
0c9560b7 | 322 | " --timestamp (monitor, snoop) print timestamps\n" |
064af421 | 323 | " -t, --timeout=SECS give up after SECS seconds\n" |
bdcc5925 BP |
324 | " --sort[=field] sort in ascending order\n" |
325 | " --rsort[=field] sort in descending order\n" | |
064af421 BP |
326 | " -h, --help display this help message\n" |
327 | " -V, --version display version information\n"); | |
328 | exit(EXIT_SUCCESS); | |
329 | } | |
330 | ||
1eb85ef5 EJ |
331 | static void |
332 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
333 | const char *argv[] OVS_UNUSED, void *exiting_) | |
334 | { | |
335 | bool *exiting = exiting_; | |
336 | *exiting = true; | |
bde9f75d | 337 | unixctl_command_reply(conn, NULL); |
1eb85ef5 EJ |
338 | } |
339 | ||
064af421 BP |
340 | static void run(int retval, const char *message, ...) |
341 | PRINTF_FORMAT(2, 3); | |
342 | ||
473f65a2 BP |
343 | static void |
344 | run(int retval, const char *message, ...) | |
064af421 BP |
345 | { |
346 | if (retval) { | |
347 | va_list args; | |
348 | ||
064af421 | 349 | va_start(args, message); |
fcaddd4d | 350 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
351 | } |
352 | } | |
353 | \f | |
354 | /* Generic commands. */ | |
355 | ||
c3f25389 | 356 | static int |
1a6f1e2a JG |
357 | open_vconn_socket(const char *name, struct vconn **vconnp) |
358 | { | |
359 | char *vconn_name = xasprintf("unix:%s", name); | |
c3f25389 EJ |
360 | int error; |
361 | ||
82c8c53c BP |
362 | error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT, |
363 | vconnp); | |
c3f25389 EJ |
364 | if (error && error != ENOENT) { |
365 | ovs_fatal(0, "%s: failed to open socket (%s)", name, | |
10a89ef0 | 366 | ovs_strerror(error)); |
c3f25389 | 367 | } |
1a6f1e2a | 368 | free(vconn_name); |
c3f25389 EJ |
369 | |
370 | return error; | |
1a6f1e2a JG |
371 | } |
372 | ||
4766ce7a BP |
373 | enum open_target { MGMT, SNOOP }; |
374 | ||
27527aa0 | 375 | static enum ofputil_protocol |
4766ce7a | 376 | open_vconn__(const char *name, enum open_target target, |
0caf6bde | 377 | struct vconn **vconnp) |
064af421 | 378 | { |
4766ce7a | 379 | const char *suffix = target == MGMT ? "mgmt" : "snoop"; |
63d347ce | 380 | char *datapath_name, *datapath_type, *socket_name; |
27527aa0 | 381 | enum ofputil_protocol protocol; |
63d347ce | 382 | char *bridge_path; |
27527aa0 | 383 | int ofp_version; |
c3f25389 | 384 | int error; |
1a6f1e2a | 385 | |
4766ce7a | 386 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix); |
63d347ce BP |
387 | |
388 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
4766ce7a | 389 | socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix); |
63d347ce BP |
390 | free(datapath_name); |
391 | free(datapath_type); | |
064af421 | 392 | |
3a27375e | 393 | if (strchr(name, ':')) { |
539b741f | 394 | run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp), |
a53a8efa | 395 | "connecting to %s", name); |
c3f25389 EJ |
396 | } else if (!open_vconn_socket(name, vconnp)) { |
397 | /* Fall Through. */ | |
398 | } else if (!open_vconn_socket(bridge_path, vconnp)) { | |
399 | /* Fall Through. */ | |
400 | } else if (!open_vconn_socket(socket_name, vconnp)) { | |
401 | /* Fall Through. */ | |
064af421 | 402 | } else { |
2c0e6eb4 | 403 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 404 | } |
1a6f1e2a | 405 | |
4766ce7a BP |
406 | if (target == SNOOP) { |
407 | vconn_set_recv_any_version(*vconnp); | |
408 | } | |
409 | ||
1a6f1e2a | 410 | free(bridge_path); |
63d347ce | 411 | free(socket_name); |
27527aa0 | 412 | |
c3f25389 EJ |
413 | VLOG_DBG("connecting to %s", vconn_get_name(*vconnp)); |
414 | error = vconn_connect_block(*vconnp); | |
415 | if (error) { | |
416 | ovs_fatal(0, "%s: failed to connect to socket (%s)", name, | |
10a89ef0 | 417 | ovs_strerror(error)); |
c3f25389 EJ |
418 | } |
419 | ||
27527aa0 BP |
420 | ofp_version = vconn_get_version(*vconnp); |
421 | protocol = ofputil_protocol_from_ofp_version(ofp_version); | |
422 | if (!protocol) { | |
423 | ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x", | |
424 | name, ofp_version); | |
425 | } | |
426 | return protocol; | |
064af421 BP |
427 | } |
428 | ||
27527aa0 | 429 | static enum ofputil_protocol |
0caf6bde BP |
430 | open_vconn(const char *name, struct vconn **vconnp) |
431 | { | |
4766ce7a | 432 | return open_vconn__(name, MGMT, vconnp); |
0caf6bde BP |
433 | } |
434 | ||
064af421 BP |
435 | static void |
436 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
437 | { | |
982697a4 | 438 | ofpmsg_update_length(buffer); |
064af421 BP |
439 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); |
440 | } | |
441 | ||
442 | static void | |
a53a8efa | 443 | dump_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 444 | { |
064af421 BP |
445 | struct ofpbuf *reply; |
446 | ||
982697a4 | 447 | ofpmsg_update_length(request); |
a53a8efa SH |
448 | run(vconn_transact(vconn, request, &reply), "talking to %s", |
449 | vconn_get_name(vconn)); | |
4f564f8d | 450 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
e49190c4 | 451 | ofpbuf_delete(reply); |
064af421 BP |
452 | } |
453 | ||
454 | static void | |
982697a4 | 455 | dump_trivial_transaction(const char *vconn_name, enum ofpraw raw) |
064af421 BP |
456 | { |
457 | struct ofpbuf *request; | |
a53a8efa SH |
458 | struct vconn *vconn; |
459 | ||
460 | open_vconn(vconn_name, &vconn); | |
461 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); | |
462 | dump_transaction(vconn, request); | |
463 | vconn_close(vconn); | |
064af421 BP |
464 | } |
465 | ||
466 | static void | |
53514387 | 467 | dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 468 | { |
982697a4 BP |
469 | const struct ofp_header *request_oh = request->data; |
470 | ovs_be32 send_xid = request_oh->xid; | |
471 | enum ofpraw request_raw; | |
472 | enum ofpraw reply_raw; | |
064af421 BP |
473 | bool done = false; |
474 | ||
982697a4 BP |
475 | ofpraw_decode_partial(&request_raw, request->data, request->size); |
476 | reply_raw = ofpraw_stats_request_to_reply(request_raw, | |
477 | request_oh->version); | |
478 | ||
064af421 BP |
479 | send_openflow_buffer(vconn, request); |
480 | while (!done) { | |
02833365 | 481 | ovs_be32 recv_xid; |
064af421 BP |
482 | struct ofpbuf *reply; |
483 | ||
484 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
485 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
486 | if (send_xid == recv_xid) { | |
982697a4 | 487 | enum ofpraw raw; |
064af421 | 488 | |
4f564f8d | 489 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 490 | |
982697a4 BP |
491 | ofpraw_decode(&raw, reply->data); |
492 | if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) { | |
a76150b1 | 493 | done = true; |
982697a4 BP |
494 | } else if (raw == reply_raw) { |
495 | done = !ofpmp_more(reply->data); | |
a76150b1 BP |
496 | } else { |
497 | ovs_fatal(0, "received bad reply: %s", | |
498 | ofp_to_string(reply->data, reply->size, | |
499 | verbosity + 1)); | |
500 | } | |
064af421 BP |
501 | } else { |
502 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
503 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
504 | } | |
505 | ofpbuf_delete(reply); | |
506 | } | |
9abfe557 BP |
507 | } |
508 | ||
509 | static void | |
53514387 | 510 | dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw) |
9abfe557 | 511 | { |
53514387 | 512 | struct ofpbuf *request; |
9abfe557 BP |
513 | struct vconn *vconn; |
514 | ||
515 | open_vconn(vconn_name, &vconn); | |
53514387 SH |
516 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); |
517 | dump_stats_transaction(vconn, request); | |
064af421 BP |
518 | vconn_close(vconn); |
519 | } | |
520 | ||
a8eebd48 BP |
521 | /* Sends all of the 'requests', which should be requests that only have replies |
522 | * if an error occurs, and waits for them to succeed or fail. If an error does | |
523 | * occur, prints it and exits with an error. | |
7257b535 BP |
524 | * |
525 | * Destroys all of the 'requests'. */ | |
d12513f7 | 526 | static void |
88ca35ee | 527 | transact_multiple_noreply(struct vconn *vconn, struct list *requests) |
d12513f7 | 528 | { |
88ca35ee | 529 | struct ofpbuf *request, *reply; |
d12513f7 | 530 | |
88ca35ee | 531 | LIST_FOR_EACH (request, list_node, requests) { |
982697a4 | 532 | ofpmsg_update_length(request); |
88ca35ee BP |
533 | } |
534 | ||
535 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
536 | "talking to %s", vconn_get_name(vconn)); |
537 | if (reply) { | |
4f564f8d | 538 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
539 | exit(1); |
540 | } | |
541 | ofpbuf_delete(reply); | |
542 | } | |
543 | ||
88ca35ee BP |
544 | /* Sends 'request', which should be a request that only has a reply if an error |
545 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
546 | * it and exits with an error. |
547 | * | |
548 | * Destroys 'request'. */ | |
88ca35ee BP |
549 | static void |
550 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
551 | { | |
552 | struct list requests; | |
553 | ||
554 | list_init(&requests); | |
555 | list_push_back(&requests, &request->list_node); | |
556 | transact_multiple_noreply(vconn, &requests); | |
557 | } | |
558 | ||
7257b535 BP |
559 | static void |
560 | fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
561 | { | |
562 | struct ofp_switch_config *config; | |
7257b535 BP |
563 | struct ofpbuf *request; |
564 | struct ofpbuf *reply; | |
982697a4 | 565 | enum ofptype type; |
7257b535 | 566 | |
a53a8efa SH |
567 | request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST, |
568 | vconn_get_version(vconn), 0); | |
7257b535 BP |
569 | run(vconn_transact(vconn, request, &reply), |
570 | "talking to %s", vconn_get_name(vconn)); | |
571 | ||
982697a4 | 572 | if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) { |
7257b535 BP |
573 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); |
574 | } | |
575 | ||
982697a4 | 576 | config = ofpbuf_pull(reply, sizeof *config); |
7257b535 | 577 | *config_ = *config; |
828c72d0 BP |
578 | |
579 | ofpbuf_delete(reply); | |
7257b535 BP |
580 | } |
581 | ||
582 | static void | |
982697a4 | 583 | set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config) |
7257b535 | 584 | { |
7257b535 BP |
585 | struct ofpbuf *request; |
586 | ||
a53a8efa | 587 | request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0); |
982697a4 | 588 | ofpbuf_put(request, config, sizeof *config); |
7257b535 BP |
589 | |
590 | transact_noreply(vconn, request); | |
591 | } | |
592 | ||
064af421 | 593 | static void |
e1fef0f9 | 594 | ofctl_show(int argc OVS_UNUSED, char *argv[]) |
064af421 | 595 | { |
ae0e7009 JP |
596 | const char *vconn_name = argv[1]; |
597 | struct vconn *vconn; | |
598 | struct ofpbuf *request; | |
599 | struct ofpbuf *reply; | |
600 | bool trunc; | |
601 | ||
ae0e7009 | 602 | open_vconn(vconn_name, &vconn); |
a53a8efa SH |
603 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, |
604 | vconn_get_version(vconn), 0); | |
ae0e7009 JP |
605 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); |
606 | ||
607 | trunc = ofputil_switch_features_ports_trunc(reply); | |
608 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); | |
609 | ||
610 | ofpbuf_delete(reply); | |
ae0e7009 JP |
611 | |
612 | if (trunc) { | |
613 | /* The Features Reply may not contain all the ports, so send a | |
614 | * Port Description stats request, which doesn't have size | |
615 | * constraints. */ | |
982697a4 BP |
616 | dump_trivial_stats_transaction(vconn_name, |
617 | OFPRAW_OFPST_PORT_DESC_REQUEST); | |
ae0e7009 | 618 | } |
982697a4 | 619 | dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST); |
a53a8efa | 620 | vconn_close(vconn); |
064af421 BP |
621 | } |
622 | ||
064af421 | 623 | static void |
e1fef0f9 | 624 | ofctl_dump_desc(int argc OVS_UNUSED, char *argv[]) |
064af421 | 625 | { |
982697a4 | 626 | dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_DESC_REQUEST); |
064af421 BP |
627 | } |
628 | ||
629 | static void | |
e1fef0f9 | 630 | ofctl_dump_tables(int argc OVS_UNUSED, char *argv[]) |
064af421 | 631 | { |
982697a4 | 632 | dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_TABLE_REQUEST); |
064af421 BP |
633 | } |
634 | ||
da91750f JP |
635 | static bool |
636 | fetch_port_by_features(const char *vconn_name, | |
4e022ec0 | 637 | const char *port_name, ofp_port_t port_no, |
da91750f | 638 | struct ofputil_phy_port *pp, bool *trunc) |
abaad8cf | 639 | { |
9e1fd49b | 640 | struct ofputil_switch_features features; |
982697a4 | 641 | const struct ofp_header *oh; |
abaad8cf | 642 | struct ofpbuf *request, *reply; |
abaad8cf | 643 | struct vconn *vconn; |
9e1fd49b | 644 | enum ofperr error; |
982697a4 | 645 | enum ofptype type; |
9e1fd49b | 646 | struct ofpbuf b; |
da91750f | 647 | bool found = false; |
abaad8cf | 648 | |
0df0e81d | 649 | /* Fetch the switch's ofp_switch_features. */ |
abaad8cf | 650 | open_vconn(vconn_name, &vconn); |
a53a8efa SH |
651 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, |
652 | vconn_get_version(vconn), 0); | |
abaad8cf | 653 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); |
da91750f | 654 | vconn_close(vconn); |
abaad8cf | 655 | |
982697a4 BP |
656 | oh = reply->data; |
657 | if (ofptype_decode(&type, reply->data) | |
658 | || type != OFPTYPE_FEATURES_REPLY) { | |
659 | ovs_fatal(0, "%s: received bad features reply", vconn_name); | |
0df0e81d | 660 | } |
da91750f JP |
661 | |
662 | *trunc = false; | |
663 | if (ofputil_switch_features_ports_trunc(reply)) { | |
664 | *trunc = true; | |
665 | goto exit; | |
666 | } | |
667 | ||
982697a4 | 668 | error = ofputil_decode_switch_features(oh, &features, &b); |
9e1fd49b BP |
669 | if (error) { |
670 | ovs_fatal(0, "%s: failed to decode features reply (%s)", | |
671 | vconn_name, ofperr_to_string(error)); | |
672 | } | |
0df0e81d | 673 | |
982697a4 | 674 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 | 675 | if (port_no != OFPP_NONE |
9e1fd49b BP |
676 | ? port_no == pp->port_no |
677 | : !strcmp(pp->name, port_name)) { | |
da91750f JP |
678 | found = true; |
679 | goto exit; | |
abaad8cf JP |
680 | } |
681 | } | |
da91750f JP |
682 | |
683 | exit: | |
684 | ofpbuf_delete(reply); | |
685 | return found; | |
686 | } | |
687 | ||
688 | static bool | |
689 | fetch_port_by_stats(const char *vconn_name, | |
4e022ec0 | 690 | const char *port_name, ofp_port_t port_no, |
da91750f JP |
691 | struct ofputil_phy_port *pp) |
692 | { | |
693 | struct ofpbuf *request; | |
694 | struct vconn *vconn; | |
695 | ovs_be32 send_xid; | |
da91750f JP |
696 | bool done = false; |
697 | bool found = false; | |
698 | ||
982697a4 | 699 | request = ofpraw_alloc(OFPRAW_OFPST_PORT_DESC_REQUEST, OFP10_VERSION, 0); |
da91750f JP |
700 | send_xid = ((struct ofp_header *) request->data)->xid; |
701 | ||
702 | open_vconn(vconn_name, &vconn); | |
703 | send_openflow_buffer(vconn, request); | |
704 | while (!done) { | |
705 | ovs_be32 recv_xid; | |
706 | struct ofpbuf *reply; | |
707 | ||
708 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
709 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
710 | if (send_xid == recv_xid) { | |
982697a4 BP |
711 | struct ofp_header *oh = reply->data; |
712 | enum ofptype type; | |
713 | struct ofpbuf b; | |
714 | uint16_t flags; | |
715 | ||
716 | ofpbuf_use_const(&b, oh, ntohs(oh->length)); | |
717 | if (ofptype_pull(&type, &b) | |
718 | || type != OFPTYPE_PORT_DESC_STATS_REPLY) { | |
da91750f JP |
719 | ovs_fatal(0, "received bad reply: %s", |
720 | ofp_to_string(reply->data, reply->size, | |
721 | verbosity + 1)); | |
722 | } | |
723 | ||
982697a4 BP |
724 | flags = ofpmp_flags(oh); |
725 | done = !(flags & OFPSF_REPLY_MORE); | |
da91750f JP |
726 | |
727 | if (found) { | |
728 | /* We've already found the port, but we need to drain | |
729 | * the queue of any other replies for this request. */ | |
730 | continue; | |
731 | } | |
732 | ||
982697a4 | 733 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 AW |
734 | if (port_no != OFPP_NONE ? port_no == pp->port_no |
735 | : !strcmp(pp->name, port_name)) { | |
da91750f JP |
736 | found = true; |
737 | break; | |
738 | } | |
739 | } | |
740 | } else { | |
741 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
742 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
743 | } | |
744 | ofpbuf_delete(reply); | |
745 | } | |
746 | vconn_close(vconn); | |
747 | ||
748 | return found; | |
749 | } | |
750 | ||
4e022ec0 AW |
751 | static bool |
752 | str_to_ofp(const char *s, ofp_port_t *ofp_port) | |
753 | { | |
754 | bool ret; | |
755 | uint32_t port_; | |
756 | ||
757 | ret = str_to_uint(s, 10, &port_); | |
758 | *ofp_port = u16_to_ofp(port_); | |
759 | return ret; | |
760 | } | |
da91750f JP |
761 | |
762 | /* Opens a connection to 'vconn_name', fetches the port structure for | |
763 | * 'port_name' (which may be a port name or number), and copies it into | |
764 | * '*pp'. */ | |
765 | static void | |
766 | fetch_ofputil_phy_port(const char *vconn_name, const char *port_name, | |
767 | struct ofputil_phy_port *pp) | |
768 | { | |
4e022ec0 | 769 | ofp_port_t port_no; |
da91750f JP |
770 | bool found; |
771 | bool trunc; | |
772 | ||
773 | /* Try to interpret the argument as a port number. */ | |
4e022ec0 AW |
774 | if (!str_to_ofp(port_name, &port_no)) { |
775 | port_no = OFPP_NONE; | |
da91750f JP |
776 | } |
777 | ||
778 | /* Try to find the port based on the Features Reply. If it looks | |
779 | * like the results may be truncated, then use the Port Description | |
780 | * stats message introduced in OVS 1.7. */ | |
781 | found = fetch_port_by_features(vconn_name, port_name, port_no, pp, | |
782 | &trunc); | |
783 | if (trunc) { | |
784 | found = fetch_port_by_stats(vconn_name, port_name, port_no, pp); | |
785 | } | |
786 | ||
787 | if (!found) { | |
788 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); | |
789 | } | |
0df0e81d | 790 | } |
abaad8cf | 791 | |
0df0e81d BP |
792 | /* Returns the port number corresponding to 'port_name' (which may be a port |
793 | * name or number) within the switch 'vconn_name'. */ | |
4e022ec0 | 794 | static ofp_port_t |
0df0e81d BP |
795 | str_to_port_no(const char *vconn_name, const char *port_name) |
796 | { | |
4e022ec0 | 797 | ofp_port_t port_no; |
8010100b BP |
798 | |
799 | if (ofputil_port_from_string(port_name, &port_no)) { | |
0df0e81d BP |
800 | return port_no; |
801 | } else { | |
9e1fd49b | 802 | struct ofputil_phy_port pp; |
abaad8cf | 803 | |
9e1fd49b BP |
804 | fetch_ofputil_phy_port(vconn_name, port_name, &pp); |
805 | return pp.port_no; | |
0df0e81d | 806 | } |
abaad8cf JP |
807 | } |
808 | ||
88ca35ee | 809 | static bool |
27527aa0 BP |
810 | try_set_protocol(struct vconn *vconn, enum ofputil_protocol want, |
811 | enum ofputil_protocol *cur) | |
88ca35ee | 812 | { |
27527aa0 BP |
813 | for (;;) { |
814 | struct ofpbuf *request, *reply; | |
815 | enum ofputil_protocol next; | |
88ca35ee | 816 | |
27527aa0 BP |
817 | request = ofputil_encode_set_protocol(*cur, want, &next); |
818 | if (!request) { | |
e43928f2 | 819 | return *cur == want; |
27527aa0 BP |
820 | } |
821 | ||
822 | run(vconn_transact_noreply(vconn, request, &reply), | |
823 | "talking to %s", vconn_get_name(vconn)); | |
824 | if (reply) { | |
825 | char *s = ofp_to_string(reply->data, reply->size, 2); | |
826 | VLOG_DBG("%s: failed to set protocol, switch replied: %s", | |
827 | vconn_get_name(vconn), s); | |
828 | free(s); | |
829 | ofpbuf_delete(reply); | |
830 | return false; | |
831 | } | |
832 | ||
833 | *cur = next; | |
88ca35ee | 834 | } |
88ca35ee BP |
835 | } |
836 | ||
27527aa0 BP |
837 | static enum ofputil_protocol |
838 | set_protocol_for_flow_dump(struct vconn *vconn, | |
839 | enum ofputil_protocol cur_protocol, | |
840 | enum ofputil_protocol usable_protocols) | |
064af421 | 841 | { |
27527aa0 BP |
842 | char *usable_s; |
843 | int i; | |
064af421 | 844 | |
27527aa0 BP |
845 | for (i = 0; i < ofputil_n_flow_dump_protocols; i++) { |
846 | enum ofputil_protocol f = ofputil_flow_dump_protocols[i]; | |
847 | if (f & usable_protocols & allowed_protocols | |
848 | && try_set_protocol(vconn, f, &cur_protocol)) { | |
849 | return f; | |
f9cbfbe4 | 850 | } |
27527aa0 | 851 | } |
f9cbfbe4 | 852 | |
27527aa0 BP |
853 | usable_s = ofputil_protocols_to_string(usable_protocols); |
854 | if (usable_protocols & allowed_protocols) { | |
855 | ovs_fatal(0, "switch does not support any of the usable flow " | |
856 | "formats (%s)", usable_s); | |
f9cbfbe4 | 857 | } else { |
27527aa0 BP |
858 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); |
859 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
860 | "allowed flow formats (%s)", usable_s, allowed_s); | |
88ca35ee | 861 | } |
064af421 BP |
862 | } |
863 | ||
bdcc5925 BP |
864 | static struct vconn * |
865 | prepare_dump_flows(int argc, char *argv[], bool aggregate, | |
866 | struct ofpbuf **requestp) | |
064af421 | 867 | { |
27527aa0 | 868 | enum ofputil_protocol usable_protocols, protocol; |
81d1ea94 | 869 | struct ofputil_flow_stats_request fsr; |
88ca35ee | 870 | struct vconn *vconn; |
bdda5aca BP |
871 | char *error; |
872 | ||
873 | error = parse_ofp_flow_stats_request_str(&fsr, aggregate, | |
874 | argc > 2 ? argv[2] : ""); | |
875 | if (error) { | |
876 | ovs_fatal(0, "%s", error); | |
877 | } | |
064af421 | 878 | |
27527aa0 | 879 | usable_protocols = ofputil_flow_stats_request_usable_protocols(&fsr); |
064af421 | 880 | |
27527aa0 BP |
881 | protocol = open_vconn(argv[1], &vconn); |
882 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
bdcc5925 BP |
883 | *requestp = ofputil_encode_flow_stats_request(&fsr, protocol); |
884 | return vconn; | |
885 | } | |
886 | ||
887 | static void | |
888 | ofctl_dump_flows__(int argc, char *argv[], bool aggregate) | |
889 | { | |
890 | struct ofpbuf *request; | |
891 | struct vconn *vconn; | |
892 | ||
893 | vconn = prepare_dump_flows(argc, argv, aggregate, &request); | |
53514387 | 894 | dump_stats_transaction(vconn, request); |
88ca35ee BP |
895 | vconn_close(vconn); |
896 | } | |
897 | ||
bdcc5925 BP |
898 | static int |
899 | compare_flows(const void *afs_, const void *bfs_) | |
900 | { | |
901 | const struct ofputil_flow_stats *afs = afs_; | |
902 | const struct ofputil_flow_stats *bfs = bfs_; | |
81a76618 BP |
903 | const struct match *a = &afs->match; |
904 | const struct match *b = &bfs->match; | |
bdcc5925 BP |
905 | const struct sort_criterion *sc; |
906 | ||
907 | for (sc = criteria; sc < &criteria[n_criteria]; sc++) { | |
908 | const struct mf_field *f = sc->field; | |
909 | int ret; | |
910 | ||
911 | if (!f) { | |
81a76618 BP |
912 | unsigned int a_pri = afs->priority; |
913 | unsigned int b_pri = bfs->priority; | |
914 | ret = a_pri < b_pri ? -1 : a_pri > b_pri; | |
bdcc5925 BP |
915 | } else { |
916 | bool ina, inb; | |
917 | ||
918 | ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc); | |
919 | inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc); | |
920 | if (ina != inb) { | |
921 | /* Skip the test for sc->order, so that missing fields always | |
922 | * sort to the end whether we're sorting in ascending or | |
923 | * descending order. */ | |
924 | return ina ? -1 : 1; | |
925 | } else { | |
926 | union mf_value aval, bval; | |
927 | ||
928 | mf_get_value(f, &a->flow, &aval); | |
929 | mf_get_value(f, &b->flow, &bval); | |
930 | ret = memcmp(&aval, &bval, f->n_bytes); | |
931 | } | |
932 | } | |
933 | ||
934 | if (ret) { | |
935 | return sc->order == SORT_ASC ? ret : -ret; | |
936 | } | |
937 | } | |
938 | ||
939 | return 0; | |
940 | } | |
941 | ||
88ca35ee | 942 | static void |
e1fef0f9 | 943 | ofctl_dump_flows(int argc, char *argv[]) |
88ca35ee | 944 | { |
bdcc5925 BP |
945 | if (!n_criteria) { |
946 | return ofctl_dump_flows__(argc, argv, false); | |
947 | } else { | |
948 | struct ofputil_flow_stats *fses; | |
949 | size_t n_fses, allocated_fses; | |
950 | struct ofpbuf *request; | |
951 | struct ofpbuf ofpacts; | |
952 | struct ofpbuf *reply; | |
953 | struct vconn *vconn; | |
954 | ovs_be32 send_xid; | |
955 | struct ds s; | |
956 | size_t i; | |
957 | ||
958 | vconn = prepare_dump_flows(argc, argv, false, &request); | |
959 | send_xid = ((struct ofp_header *) request->data)->xid; | |
960 | send_openflow_buffer(vconn, request); | |
961 | ||
962 | fses = NULL; | |
963 | n_fses = allocated_fses = 0; | |
964 | reply = NULL; | |
965 | ofpbuf_init(&ofpacts, 0); | |
966 | for (;;) { | |
967 | struct ofputil_flow_stats *fs; | |
968 | ||
969 | if (n_fses >= allocated_fses) { | |
970 | fses = x2nrealloc(fses, &allocated_fses, sizeof *fses); | |
971 | } | |
972 | ||
973 | fs = &fses[n_fses]; | |
974 | if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs, | |
975 | &ofpacts)) { | |
976 | break; | |
977 | } | |
978 | fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len); | |
979 | n_fses++; | |
980 | } | |
981 | ofpbuf_uninit(&ofpacts); | |
982 | ||
983 | qsort(fses, n_fses, sizeof *fses, compare_flows); | |
984 | ||
985 | ds_init(&s); | |
986 | for (i = 0; i < n_fses; i++) { | |
987 | ds_clear(&s); | |
988 | ofp_print_flow_stats(&s, &fses[i]); | |
989 | puts(ds_cstr(&s)); | |
990 | } | |
991 | ds_destroy(&s); | |
992 | ||
993 | for (i = 0; i < n_fses; i++) { | |
994 | free(fses[i].ofpacts); | |
995 | } | |
996 | free(fses); | |
997 | ||
998 | vconn_close(vconn); | |
999 | } | |
88ca35ee BP |
1000 | } |
1001 | ||
1002 | static void | |
e1fef0f9 | 1003 | ofctl_dump_aggregate(int argc, char *argv[]) |
88ca35ee | 1004 | { |
e1fef0f9 | 1005 | return ofctl_dump_flows__(argc, argv, true); |
064af421 BP |
1006 | } |
1007 | ||
d2805da2 | 1008 | static void |
e1fef0f9 | 1009 | ofctl_queue_stats(int argc, char *argv[]) |
d2805da2 | 1010 | { |
d2805da2 | 1011 | struct ofpbuf *request; |
53514387 | 1012 | struct vconn *vconn; |
64626975 | 1013 | struct ofputil_queue_stats_request oqs; |
d2805da2 | 1014 | |
53514387 | 1015 | open_vconn(argv[1], &vconn); |
d2805da2 BP |
1016 | |
1017 | if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) { | |
64626975 | 1018 | oqs.port_no = str_to_port_no(argv[1], argv[2]); |
d2805da2 | 1019 | } else { |
7f05e7ab | 1020 | oqs.port_no = OFPP_ANY; |
d2805da2 BP |
1021 | } |
1022 | if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) { | |
64626975 | 1023 | oqs.queue_id = atoi(argv[3]); |
d2805da2 | 1024 | } else { |
64626975 | 1025 | oqs.queue_id = OFPQ_ALL; |
d2805da2 BP |
1026 | } |
1027 | ||
64626975 | 1028 | request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs); |
53514387 SH |
1029 | dump_stats_transaction(vconn, request); |
1030 | vconn_close(vconn); | |
d2805da2 BP |
1031 | } |
1032 | ||
27527aa0 BP |
1033 | static enum ofputil_protocol |
1034 | open_vconn_for_flow_mod(const char *remote, | |
1035 | const struct ofputil_flow_mod *fms, size_t n_fms, | |
1036 | struct vconn **vconnp) | |
0fbc9f11 | 1037 | { |
27527aa0 BP |
1038 | enum ofputil_protocol usable_protocols; |
1039 | enum ofputil_protocol cur_protocol; | |
1040 | char *usable_s; | |
1041 | int i; | |
0fbc9f11 | 1042 | |
27527aa0 BP |
1043 | /* Figure out what flow formats will work. */ |
1044 | usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms); | |
1045 | if (!(usable_protocols & allowed_protocols)) { | |
1046 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); | |
1047 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1048 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1049 | "allowed flow formats (%s)", usable_s, allowed_s); | |
0fbc9f11 | 1050 | } |
0fbc9f11 | 1051 | |
27527aa0 BP |
1052 | /* If the initial flow format is allowed and usable, keep it. */ |
1053 | cur_protocol = open_vconn(remote, vconnp); | |
1054 | if (usable_protocols & allowed_protocols & cur_protocol) { | |
1055 | return cur_protocol; | |
1056 | } | |
1057 | ||
1058 | /* Otherwise try each flow format in turn. */ | |
1059 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1060 | enum ofputil_protocol f = 1 << i; | |
1061 | ||
1062 | if (f != cur_protocol | |
1063 | && f & usable_protocols & allowed_protocols | |
1064 | && try_set_protocol(*vconnp, f, &cur_protocol)) { | |
1065 | return f; | |
1066 | } | |
0fbc9f11 | 1067 | } |
27527aa0 BP |
1068 | |
1069 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1070 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1071 | "formats (%s)", usable_s); | |
0fbc9f11 BP |
1072 | } |
1073 | ||
064af421 | 1074 | static void |
e1fef0f9 AS |
1075 | ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, |
1076 | size_t n_fms) | |
064af421 | 1077 | { |
27527aa0 | 1078 | enum ofputil_protocol protocol; |
064af421 | 1079 | struct vconn *vconn; |
27527aa0 | 1080 | size_t i; |
4989c59f | 1081 | |
27527aa0 | 1082 | protocol = open_vconn_for_flow_mod(remote, fms, n_fms, &vconn); |
049c8dc2 | 1083 | |
27527aa0 BP |
1084 | for (i = 0; i < n_fms; i++) { |
1085 | struct ofputil_flow_mod *fm = &fms[i]; | |
0fbc9f11 | 1086 | |
27527aa0 | 1087 | transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol)); |
f25d0cf3 | 1088 | free(fm->ofpacts); |
4989c59f | 1089 | } |
064af421 | 1090 | vconn_close(vconn); |
88ca35ee BP |
1091 | } |
1092 | ||
064af421 | 1093 | static void |
e1fef0f9 | 1094 | ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) |
064af421 | 1095 | { |
27527aa0 BP |
1096 | struct ofputil_flow_mod *fms = NULL; |
1097 | size_t n_fms = 0; | |
bdda5aca | 1098 | char *error; |
064af421 | 1099 | |
bdda5aca BP |
1100 | error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms); |
1101 | if (error) { | |
1102 | ovs_fatal(0, "%s", error); | |
1103 | } | |
e1fef0f9 | 1104 | ofctl_flow_mod__(argv[1], fms, n_fms); |
27527aa0 BP |
1105 | free(fms); |
1106 | } | |
1107 | ||
1108 | static void | |
e1fef0f9 | 1109 | ofctl_flow_mod(int argc, char *argv[], uint16_t command) |
27527aa0 | 1110 | { |
4989c59f | 1111 | if (argc > 2 && !strcmp(argv[2], "-")) { |
e1fef0f9 | 1112 | ofctl_flow_mod_file(argc, argv, command); |
27527aa0 BP |
1113 | } else { |
1114 | struct ofputil_flow_mod fm; | |
bdda5aca BP |
1115 | char *error; |
1116 | ||
1117 | error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command); | |
1118 | if (error) { | |
1119 | ovs_fatal(0, "%s", error); | |
1120 | } | |
e1fef0f9 | 1121 | ofctl_flow_mod__(argv[1], &fm, 1); |
064af421 | 1122 | } |
4989c59f | 1123 | } |
88ca35ee | 1124 | |
4989c59f | 1125 | static void |
e1fef0f9 | 1126 | ofctl_add_flow(int argc, char *argv[]) |
4989c59f | 1127 | { |
e1fef0f9 | 1128 | ofctl_flow_mod(argc, argv, OFPFC_ADD); |
4989c59f BP |
1129 | } |
1130 | ||
1131 | static void | |
e1fef0f9 | 1132 | ofctl_add_flows(int argc, char *argv[]) |
4989c59f | 1133 | { |
e1fef0f9 | 1134 | ofctl_flow_mod_file(argc, argv, OFPFC_ADD); |
064af421 BP |
1135 | } |
1136 | ||
1137 | static void | |
e1fef0f9 | 1138 | ofctl_mod_flows(int argc, char *argv[]) |
064af421 | 1139 | { |
e1fef0f9 | 1140 | ofctl_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
1141 | } |
1142 | ||
88ca35ee | 1143 | static void |
e1fef0f9 | 1144 | ofctl_del_flows(int argc, char *argv[]) |
064af421 | 1145 | { |
e1fef0f9 | 1146 | ofctl_flow_mod(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
1147 | } |
1148 | ||
54834960 EJ |
1149 | static void |
1150 | set_packet_in_format(struct vconn *vconn, | |
1151 | enum nx_packet_in_format packet_in_format) | |
1152 | { | |
3f4a1939 SH |
1153 | struct ofpbuf *spif; |
1154 | ||
1155 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1156 | packet_in_format); | |
54834960 EJ |
1157 | transact_noreply(vconn, spif); |
1158 | VLOG_DBG("%s: using user-specified packet in format %s", | |
1159 | vconn_get_name(vconn), | |
1160 | ofputil_packet_in_format_to_string(packet_in_format)); | |
1161 | } | |
1162 | ||
f0fd1a17 PS |
1163 | static int |
1164 | monitor_set_invalid_ttl_to_controller(struct vconn *vconn) | |
1165 | { | |
1166 | struct ofp_switch_config config; | |
1167 | enum ofp_config_flags flags; | |
1168 | ||
1169 | fetch_switch_config(vconn, &config); | |
1170 | flags = ntohs(config.flags); | |
1171 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1172 | /* Set the invalid ttl config. */ | |
1173 | flags |= OFPC_INVALID_TTL_TO_CONTROLLER; | |
1174 | ||
1175 | config.flags = htons(flags); | |
1176 | set_switch_config(vconn, &config); | |
1177 | ||
1178 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1179 | * doesn't define error reporting for bad modes, so this is all we can | |
1180 | * do. */ | |
1181 | fetch_switch_config(vconn, &config); | |
1182 | flags = ntohs(config.flags); | |
1183 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1184 | ovs_fatal(0, "setting invalid_ttl_to_controller failed (this " | |
1185 | "switch probably doesn't support mode)"); | |
1186 | return -EOPNOTSUPP; | |
1187 | } | |
1188 | } | |
1189 | return 0; | |
1190 | } | |
1191 | ||
96761f58 BP |
1192 | /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The |
1193 | * caller must free '*msgp'. On success, returns NULL. On failure, returns | |
1194 | * an error message and stores NULL in '*msgp'. */ | |
1195 | static const char * | |
1196 | openflow_from_hex(const char *hex, struct ofpbuf **msgp) | |
1197 | { | |
1198 | struct ofp_header *oh; | |
1199 | struct ofpbuf *msg; | |
1200 | ||
1201 | msg = ofpbuf_new(strlen(hex) / 2); | |
1202 | *msgp = NULL; | |
1203 | ||
1204 | if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') { | |
1205 | ofpbuf_delete(msg); | |
1206 | return "Trailing garbage in hex data"; | |
1207 | } | |
1208 | ||
1209 | if (msg->size < sizeof(struct ofp_header)) { | |
1210 | ofpbuf_delete(msg); | |
1211 | return "Message too short for OpenFlow"; | |
1212 | } | |
1213 | ||
1214 | oh = msg->data; | |
1215 | if (msg->size != ntohs(oh->length)) { | |
1216 | ofpbuf_delete(msg); | |
1217 | return "Message size does not match length in OpenFlow header"; | |
1218 | } | |
1219 | ||
1220 | *msgp = msg; | |
1221 | return NULL; | |
1222 | } | |
1223 | ||
1224 | static void | |
1225 | ofctl_send(struct unixctl_conn *conn, int argc, | |
1226 | const char *argv[], void *vconn_) | |
1227 | { | |
1228 | struct vconn *vconn = vconn_; | |
1229 | struct ds reply; | |
1230 | bool ok; | |
1231 | int i; | |
1232 | ||
1233 | ok = true; | |
1234 | ds_init(&reply); | |
1235 | for (i = 1; i < argc; i++) { | |
1236 | const char *error_msg; | |
1237 | struct ofpbuf *msg; | |
1238 | int error; | |
1239 | ||
1240 | error_msg = openflow_from_hex(argv[i], &msg); | |
1241 | if (error_msg) { | |
1242 | ds_put_format(&reply, "%s\n", error_msg); | |
1243 | ok = false; | |
1244 | continue; | |
1245 | } | |
1246 | ||
1247 | fprintf(stderr, "send: "); | |
1248 | ofp_print(stderr, msg->data, msg->size, verbosity); | |
1249 | ||
1250 | error = vconn_send_block(vconn, msg); | |
1251 | if (error) { | |
1252 | ofpbuf_delete(msg); | |
10a89ef0 | 1253 | ds_put_format(&reply, "%s\n", ovs_strerror(error)); |
96761f58 BP |
1254 | ok = false; |
1255 | } else { | |
1256 | ds_put_cstr(&reply, "sent\n"); | |
1257 | } | |
1258 | } | |
bde9f75d EJ |
1259 | |
1260 | if (ok) { | |
1261 | unixctl_command_reply(conn, ds_cstr(&reply)); | |
1262 | } else { | |
1263 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
1264 | } | |
96761f58 BP |
1265 | ds_destroy(&reply); |
1266 | } | |
1267 | ||
bb638b9a BP |
1268 | struct barrier_aux { |
1269 | struct vconn *vconn; /* OpenFlow connection for sending barrier. */ | |
1270 | struct unixctl_conn *conn; /* Connection waiting for barrier response. */ | |
1271 | }; | |
1272 | ||
1273 | static void | |
1274 | ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1275 | const char *argv[] OVS_UNUSED, void *aux_) | |
1276 | { | |
1277 | struct barrier_aux *aux = aux_; | |
1278 | struct ofpbuf *msg; | |
1279 | int error; | |
1280 | ||
1281 | if (aux->conn) { | |
bde9f75d | 1282 | unixctl_command_reply_error(conn, "already waiting for barrier reply"); |
bb638b9a BP |
1283 | return; |
1284 | } | |
1285 | ||
a0ae0b6e | 1286 | msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn)); |
bb638b9a BP |
1287 | error = vconn_send_block(aux->vconn, msg); |
1288 | if (error) { | |
1289 | ofpbuf_delete(msg); | |
10a89ef0 | 1290 | unixctl_command_reply_error(conn, ovs_strerror(error)); |
bb638b9a BP |
1291 | } else { |
1292 | aux->conn = conn; | |
1293 | } | |
1294 | } | |
1295 | ||
1e1d00a5 BP |
1296 | static void |
1297 | ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1298 | const char *argv[], void *aux OVS_UNUSED) | |
1299 | { | |
1300 | int fd; | |
1301 | ||
1302 | fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666); | |
1303 | if (fd < 0) { | |
10a89ef0 | 1304 | unixctl_command_reply_error(conn, ovs_strerror(errno)); |
1e1d00a5 BP |
1305 | return; |
1306 | } | |
1307 | ||
1308 | fflush(stderr); | |
1309 | dup2(fd, STDERR_FILENO); | |
1310 | close(fd); | |
bde9f75d | 1311 | unixctl_command_reply(conn, NULL); |
1e1d00a5 BP |
1312 | } |
1313 | ||
2b07c8b1 BP |
1314 | static void |
1315 | ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1316 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1317 | { |
4f8f2439 | 1318 | bool *blocked = blocked_; |
2b07c8b1 | 1319 | |
4f8f2439 BP |
1320 | if (!*blocked) { |
1321 | *blocked = true; | |
1322 | unixctl_command_reply(conn, NULL); | |
1323 | } else { | |
2b07c8b1 | 1324 | unixctl_command_reply(conn, "already blocking"); |
2b07c8b1 BP |
1325 | } |
1326 | } | |
1327 | ||
1328 | static void | |
1329 | ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1330 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1331 | { |
4f8f2439 | 1332 | bool *blocked = blocked_; |
2b07c8b1 | 1333 | |
4f8f2439 BP |
1334 | if (*blocked) { |
1335 | *blocked = false; | |
2b07c8b1 | 1336 | unixctl_command_reply(conn, NULL); |
4f8f2439 BP |
1337 | } else { |
1338 | unixctl_command_reply(conn, "already unblocked"); | |
2b07c8b1 BP |
1339 | } |
1340 | } | |
1341 | ||
05f453a8 BP |
1342 | /* Prints to stdout all of the messages received on 'vconn'. |
1343 | * | |
1344 | * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request | |
1345 | * received on 'vconn'. */ | |
064af421 | 1346 | static void |
05f453a8 | 1347 | monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests) |
0caf6bde | 1348 | { |
bb638b9a | 1349 | struct barrier_aux barrier_aux = { vconn, NULL }; |
1eb85ef5 EJ |
1350 | struct unixctl_server *server; |
1351 | bool exiting = false; | |
4f8f2439 | 1352 | bool blocked = false; |
7d0c5973 | 1353 | int error; |
1eb85ef5 | 1354 | |
7d0c5973 | 1355 | daemon_save_fd(STDERR_FILENO); |
1eb85ef5 EJ |
1356 | daemonize_start(); |
1357 | error = unixctl_server_create(NULL, &server); | |
1358 | if (error) { | |
1359 | ovs_fatal(error, "failed to create unixctl server"); | |
1360 | } | |
1361 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
96761f58 BP |
1362 | unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX, |
1363 | ofctl_send, vconn); | |
bb638b9a BP |
1364 | unixctl_command_register("ofctl/barrier", "", 0, 0, |
1365 | ofctl_barrier, &barrier_aux); | |
1e1d00a5 BP |
1366 | unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1, |
1367 | ofctl_set_output_file, NULL); | |
2b07c8b1 | 1368 | |
4f8f2439 BP |
1369 | unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked); |
1370 | unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock, | |
1371 | &blocked); | |
2b07c8b1 | 1372 | |
1eb85ef5 EJ |
1373 | daemonize_complete(); |
1374 | ||
0caf6bde BP |
1375 | for (;;) { |
1376 | struct ofpbuf *b; | |
1eb85ef5 EJ |
1377 | int retval; |
1378 | ||
1379 | unixctl_server_run(server); | |
982697a4 | 1380 | |
4f8f2439 | 1381 | while (!blocked) { |
982697a4 | 1382 | enum ofptype type; |
bb638b9a | 1383 | |
1eb85ef5 EJ |
1384 | retval = vconn_recv(vconn, &b); |
1385 | if (retval == EAGAIN) { | |
1386 | break; | |
1387 | } | |
1eb85ef5 | 1388 | run(retval, "vconn_recv"); |
31c6fcd7 | 1389 | |
0c9560b7 | 1390 | if (timestamp) { |
3e78870d | 1391 | char *s = xastrftime("%Y-%m-%d %H:%M:%S: ", time_wall(), true); |
0c9560b7 | 1392 | fputs(s, stderr); |
3e78870d | 1393 | free(s); |
0c9560b7 | 1394 | } |
31c6fcd7 | 1395 | |
982697a4 | 1396 | ofptype_decode(&type, b->data); |
1eb85ef5 | 1397 | ofp_print(stderr, b->data, b->size, verbosity + 2); |
bb638b9a | 1398 | |
05f453a8 BP |
1399 | switch ((int) type) { |
1400 | case OFPTYPE_BARRIER_REPLY: | |
1401 | if (barrier_aux.conn) { | |
1402 | unixctl_command_reply(barrier_aux.conn, NULL); | |
1403 | barrier_aux.conn = NULL; | |
1404 | } | |
1405 | break; | |
1406 | ||
1407 | case OFPTYPE_ECHO_REQUEST: | |
1408 | if (reply_to_echo_requests) { | |
1409 | struct ofpbuf *reply; | |
1410 | ||
1411 | reply = make_echo_reply(b->data); | |
1412 | retval = vconn_send_block(vconn, reply); | |
1413 | if (retval) { | |
1414 | ovs_fatal(retval, "failed to send echo reply"); | |
1415 | } | |
1416 | } | |
1417 | break; | |
bb638b9a | 1418 | } |
05f453a8 | 1419 | ofpbuf_delete(b); |
1eb85ef5 EJ |
1420 | } |
1421 | ||
1422 | if (exiting) { | |
1423 | break; | |
1424 | } | |
1425 | ||
1426 | vconn_run(vconn); | |
1427 | vconn_run_wait(vconn); | |
4f8f2439 BP |
1428 | if (!blocked) { |
1429 | vconn_recv_wait(vconn); | |
1430 | } | |
1eb85ef5 EJ |
1431 | unixctl_server_wait(server); |
1432 | poll_block(); | |
0caf6bde | 1433 | } |
828c72d0 BP |
1434 | vconn_close(vconn); |
1435 | unixctl_server_destroy(server); | |
0caf6bde BP |
1436 | } |
1437 | ||
1438 | static void | |
e1fef0f9 | 1439 | ofctl_monitor(int argc, char *argv[]) |
064af421 BP |
1440 | { |
1441 | struct vconn *vconn; | |
2b07c8b1 | 1442 | int i; |
064af421 BP |
1443 | |
1444 | open_vconn(argv[1], &vconn); | |
2b07c8b1 BP |
1445 | for (i = 2; i < argc; i++) { |
1446 | const char *arg = argv[i]; | |
064af421 | 1447 | |
2b07c8b1 BP |
1448 | if (isdigit((unsigned char) *arg)) { |
1449 | struct ofp_switch_config config; | |
1450 | ||
1451 | fetch_switch_config(vconn, &config); | |
1452 | config.miss_send_len = htons(atoi(arg)); | |
1453 | set_switch_config(vconn, &config); | |
1454 | } else if (!strcmp(arg, "invalid_ttl")) { | |
f0fd1a17 | 1455 | monitor_set_invalid_ttl_to_controller(vconn); |
2b07c8b1 BP |
1456 | } else if (!strncmp(arg, "watch:", 6)) { |
1457 | struct ofputil_flow_monitor_request fmr; | |
1458 | struct ofpbuf *msg; | |
bdda5aca | 1459 | char *error; |
2b07c8b1 | 1460 | |
bdda5aca BP |
1461 | error = parse_flow_monitor_request(&fmr, arg + 6); |
1462 | if (error) { | |
1463 | ovs_fatal(0, "%s", error); | |
1464 | } | |
2b07c8b1 BP |
1465 | |
1466 | msg = ofpbuf_new(0); | |
1467 | ofputil_append_flow_monitor_request(&fmr, msg); | |
53514387 | 1468 | dump_stats_transaction(vconn, msg); |
2b07c8b1 BP |
1469 | } else { |
1470 | ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg); | |
f0fd1a17 PS |
1471 | } |
1472 | } | |
2b07c8b1 | 1473 | |
ca8526e0 BP |
1474 | if (preferred_packet_in_format >= 0) { |
1475 | set_packet_in_format(vconn, preferred_packet_in_format); | |
1476 | } else { | |
f02b12c4 SH |
1477 | enum ofp_version version = vconn_get_version(vconn); |
1478 | ||
1479 | switch (version) { | |
1480 | case OFP10_VERSION: { | |
1481 | struct ofpbuf *spif, *reply; | |
1482 | ||
1483 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1484 | NXPIF_NXM); | |
1485 | run(vconn_transact_noreply(vconn, spif, &reply), | |
1486 | "talking to %s", vconn_get_name(vconn)); | |
1487 | if (reply) { | |
1488 | char *s = ofp_to_string(reply->data, reply->size, 2); | |
1489 | VLOG_DBG("%s: failed to set packet in format to nxm, controller" | |
1490 | " replied: %s. Falling back to the switch default.", | |
1491 | vconn_get_name(vconn), s); | |
1492 | free(s); | |
1493 | ofpbuf_delete(reply); | |
1494 | } | |
1495 | break; | |
1496 | } | |
1497 | case OFP11_VERSION: | |
1498 | case OFP12_VERSION: | |
1499 | case OFP13_VERSION: | |
1500 | break; | |
1501 | default: | |
1502 | NOT_REACHED(); | |
ca8526e0 BP |
1503 | } |
1504 | } | |
1505 | ||
05f453a8 | 1506 | monitor_vconn(vconn, true); |
0caf6bde BP |
1507 | } |
1508 | ||
1509 | static void | |
e1fef0f9 | 1510 | ofctl_snoop(int argc OVS_UNUSED, char *argv[]) |
0caf6bde BP |
1511 | { |
1512 | struct vconn *vconn; | |
1513 | ||
4766ce7a | 1514 | open_vconn__(argv[1], SNOOP, &vconn); |
05f453a8 | 1515 | monitor_vconn(vconn, false); |
064af421 BP |
1516 | } |
1517 | ||
1518 | static void | |
e1fef0f9 | 1519 | ofctl_dump_ports(int argc, char *argv[]) |
064af421 | 1520 | { |
abaad8cf | 1521 | struct ofpbuf *request; |
53514387 | 1522 | struct vconn *vconn; |
4e022ec0 | 1523 | ofp_port_t port; |
abaad8cf | 1524 | |
53514387 | 1525 | open_vconn(argv[1], &vconn); |
7f05e7ab | 1526 | port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY; |
f8e4867e | 1527 | request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port); |
53514387 SH |
1528 | dump_stats_transaction(vconn, request); |
1529 | vconn_close(vconn); | |
064af421 BP |
1530 | } |
1531 | ||
2be393ed | 1532 | static void |
e1fef0f9 | 1533 | ofctl_dump_ports_desc(int argc OVS_UNUSED, char *argv[]) |
2be393ed | 1534 | { |
982697a4 | 1535 | dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_PORT_DESC_REQUEST); |
2be393ed JP |
1536 | } |
1537 | ||
064af421 | 1538 | static void |
e1fef0f9 | 1539 | ofctl_probe(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
1540 | { |
1541 | struct ofpbuf *request; | |
1542 | struct vconn *vconn; | |
1543 | struct ofpbuf *reply; | |
1544 | ||
064af421 | 1545 | open_vconn(argv[1], &vconn); |
1a126c0c | 1546 | request = make_echo_request(vconn_get_version(vconn)); |
064af421 BP |
1547 | run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]); |
1548 | if (reply->size != sizeof(struct ofp_header)) { | |
1549 | ovs_fatal(0, "reply does not match request"); | |
1550 | } | |
1551 | ofpbuf_delete(reply); | |
1552 | vconn_close(vconn); | |
1553 | } | |
1554 | ||
0c3d5fc8 | 1555 | static void |
e1fef0f9 | 1556 | ofctl_packet_out(int argc, char *argv[]) |
0c3d5fc8 | 1557 | { |
de0f3156 | 1558 | enum ofputil_protocol protocol; |
0c3d5fc8 | 1559 | struct ofputil_packet_out po; |
f25d0cf3 | 1560 | struct ofpbuf ofpacts; |
0c3d5fc8 | 1561 | struct vconn *vconn; |
bdda5aca | 1562 | char *error; |
0c3d5fc8 BP |
1563 | int i; |
1564 | ||
f25d0cf3 | 1565 | ofpbuf_init(&ofpacts, 64); |
bdda5aca BP |
1566 | error = parse_ofpacts(argv[3], &ofpacts); |
1567 | if (error) { | |
1568 | ovs_fatal(0, "%s", error); | |
1569 | } | |
0c3d5fc8 BP |
1570 | |
1571 | po.buffer_id = UINT32_MAX; | |
c6100d92 | 1572 | po.in_port = str_to_port_no(argv[1], argv[2]); |
f25d0cf3 BP |
1573 | po.ofpacts = ofpacts.data; |
1574 | po.ofpacts_len = ofpacts.size; | |
0c3d5fc8 | 1575 | |
de0f3156 | 1576 | protocol = open_vconn(argv[1], &vconn); |
0c3d5fc8 BP |
1577 | for (i = 4; i < argc; i++) { |
1578 | struct ofpbuf *packet, *opo; | |
1579 | const char *error_msg; | |
1580 | ||
1581 | error_msg = eth_from_hex(argv[i], &packet); | |
1582 | if (error_msg) { | |
1583 | ovs_fatal(0, "%s", error_msg); | |
1584 | } | |
1585 | ||
1586 | po.packet = packet->data; | |
1587 | po.packet_len = packet->size; | |
de0f3156 | 1588 | opo = ofputil_encode_packet_out(&po, protocol); |
0c3d5fc8 BP |
1589 | transact_noreply(vconn, opo); |
1590 | ofpbuf_delete(packet); | |
1591 | } | |
1592 | vconn_close(vconn); | |
f25d0cf3 | 1593 | ofpbuf_uninit(&ofpacts); |
0c3d5fc8 BP |
1594 | } |
1595 | ||
064af421 | 1596 | static void |
e1fef0f9 | 1597 | ofctl_mod_port(int argc OVS_UNUSED, char *argv[]) |
064af421 | 1598 | { |
28124950 BP |
1599 | struct ofp_config_flag { |
1600 | const char *name; /* The flag's name. */ | |
1601 | enum ofputil_port_config bit; /* Bit to turn on or off. */ | |
1602 | bool on; /* Value to set the bit to. */ | |
1603 | }; | |
1604 | static const struct ofp_config_flag flags[] = { | |
1605 | { "up", OFPUTIL_PC_PORT_DOWN, false }, | |
1606 | { "down", OFPUTIL_PC_PORT_DOWN, true }, | |
1607 | { "stp", OFPUTIL_PC_NO_STP, false }, | |
1608 | { "receive", OFPUTIL_PC_NO_RECV, false }, | |
1609 | { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false }, | |
1610 | { "flood", OFPUTIL_PC_NO_FLOOD, false }, | |
1611 | { "forward", OFPUTIL_PC_NO_FWD, false }, | |
1612 | { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false }, | |
1613 | }; | |
1614 | ||
1615 | const struct ofp_config_flag *flag; | |
9e1fd49b BP |
1616 | enum ofputil_protocol protocol; |
1617 | struct ofputil_port_mod pm; | |
1618 | struct ofputil_phy_port pp; | |
064af421 | 1619 | struct vconn *vconn; |
28124950 BP |
1620 | const char *command; |
1621 | bool not; | |
064af421 | 1622 | |
9e1fd49b | 1623 | fetch_ofputil_phy_port(argv[1], argv[2], &pp); |
064af421 | 1624 | |
9e1fd49b BP |
1625 | pm.port_no = pp.port_no; |
1626 | memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN); | |
1627 | pm.config = 0; | |
1628 | pm.mask = 0; | |
1629 | pm.advertise = 0; | |
064af421 | 1630 | |
28124950 BP |
1631 | if (!strncasecmp(argv[3], "no-", 3)) { |
1632 | command = argv[3] + 3; | |
1633 | not = true; | |
1634 | } else if (!strncasecmp(argv[3], "no", 2)) { | |
1635 | command = argv[3] + 2; | |
1636 | not = true; | |
064af421 | 1637 | } else { |
28124950 BP |
1638 | command = argv[3]; |
1639 | not = false; | |
1640 | } | |
1641 | for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) { | |
1642 | if (!strcasecmp(command, flag->name)) { | |
1643 | pm.mask = flag->bit; | |
1644 | pm.config = flag->on ^ not ? flag->bit : 0; | |
1645 | goto found; | |
1646 | } | |
064af421 | 1647 | } |
28124950 | 1648 | ovs_fatal(0, "unknown mod-port command '%s'", argv[3]); |
064af421 | 1649 | |
28124950 | 1650 | found: |
9e1fd49b BP |
1651 | protocol = open_vconn(argv[1], &vconn); |
1652 | transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol)); | |
064af421 BP |
1653 | vconn_close(vconn); |
1654 | } | |
1655 | ||
7257b535 | 1656 | static void |
e1fef0f9 | 1657 | ofctl_get_frags(int argc OVS_UNUSED, char *argv[]) |
7257b535 BP |
1658 | { |
1659 | struct ofp_switch_config config; | |
1660 | struct vconn *vconn; | |
1661 | ||
1662 | open_vconn(argv[1], &vconn); | |
1663 | fetch_switch_config(vconn, &config); | |
1664 | puts(ofputil_frag_handling_to_string(ntohs(config.flags))); | |
1665 | vconn_close(vconn); | |
1666 | } | |
1667 | ||
1668 | static void | |
e1fef0f9 | 1669 | ofctl_set_frags(int argc OVS_UNUSED, char *argv[]) |
7257b535 BP |
1670 | { |
1671 | struct ofp_switch_config config; | |
1672 | enum ofp_config_flags mode; | |
1673 | struct vconn *vconn; | |
1674 | ovs_be16 flags; | |
1675 | ||
1676 | if (!ofputil_frag_handling_from_string(argv[2], &mode)) { | |
1677 | ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]); | |
1678 | } | |
1679 | ||
1680 | open_vconn(argv[1], &vconn); | |
1681 | fetch_switch_config(vconn, &config); | |
1682 | flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK)); | |
1683 | if (flags != config.flags) { | |
1684 | /* Set the configuration. */ | |
1685 | config.flags = flags; | |
1686 | set_switch_config(vconn, &config); | |
1687 | ||
1688 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1689 | * doesn't define error reporting for bad modes, so this is all we can | |
1690 | * do. */ | |
1691 | fetch_switch_config(vconn, &config); | |
1692 | if (flags != config.flags) { | |
1693 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " | |
1694 | "switch probably doesn't support mode \"%s\")", | |
1695 | argv[1], ofputil_frag_handling_to_string(mode)); | |
1696 | } | |
1697 | } | |
1698 | vconn_close(vconn); | |
1699 | } | |
1700 | ||
1ac0e975 BP |
1701 | static void |
1702 | ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[]) | |
1703 | { | |
1704 | const char *filename = argv[1]; | |
1705 | struct ofpbuf b; | |
1706 | FILE *file; | |
1707 | ||
1708 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
1709 | if (file == NULL) { | |
1710 | ovs_fatal(errno, "%s: open", filename); | |
1711 | } | |
1712 | ||
1713 | ofpbuf_init(&b, 65536); | |
1714 | for (;;) { | |
1715 | struct ofp_header *oh; | |
1716 | size_t length, tail_len; | |
1717 | void *tail; | |
1718 | size_t n; | |
1719 | ||
1720 | ofpbuf_clear(&b); | |
1721 | oh = ofpbuf_put_uninit(&b, sizeof *oh); | |
1722 | n = fread(oh, 1, sizeof *oh, file); | |
1723 | if (n == 0) { | |
1724 | break; | |
1725 | } else if (n < sizeof *oh) { | |
1726 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
1727 | } | |
1728 | ||
1729 | length = ntohs(oh->length); | |
1730 | if (length < sizeof *oh) { | |
1731 | ovs_fatal(0, "%s: %zu-byte message is too short for OpenFlow", | |
1732 | filename, length); | |
1733 | } | |
1734 | ||
1735 | tail_len = length - sizeof *oh; | |
1736 | tail = ofpbuf_put_uninit(&b, tail_len); | |
1737 | n = fread(tail, 1, tail_len, file); | |
1738 | if (n < tail_len) { | |
1739 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
1740 | } | |
1741 | ||
1742 | ofp_print(stdout, b.data, b.size, verbosity + 2); | |
1743 | } | |
1744 | ofpbuf_uninit(&b); | |
1745 | ||
1746 | if (file != stdin) { | |
1747 | fclose(file); | |
1748 | } | |
1749 | } | |
1750 | ||
064af421 | 1751 | static void |
e1fef0f9 | 1752 | ofctl_ping(int argc, char *argv[]) |
064af421 BP |
1753 | { |
1754 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
1755 | unsigned int payload; | |
1756 | struct vconn *vconn; | |
1757 | int i; | |
1758 | ||
1759 | payload = argc > 2 ? atoi(argv[2]) : 64; | |
1760 | if (payload > max_payload) { | |
1761 | ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload); | |
1762 | } | |
1763 | ||
1764 | open_vconn(argv[1], &vconn); | |
1765 | for (i = 0; i < 10; i++) { | |
1766 | struct timeval start, end; | |
1767 | struct ofpbuf *request, *reply; | |
982697a4 BP |
1768 | const struct ofp_header *rpy_hdr; |
1769 | enum ofptype type; | |
064af421 | 1770 | |
a53a8efa SH |
1771 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
1772 | vconn_get_version(vconn), payload); | |
982697a4 | 1773 | random_bytes(ofpbuf_put_uninit(request, payload), payload); |
064af421 | 1774 | |
279c9e03 | 1775 | xgettimeofday(&start); |
064af421 | 1776 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 1777 | xgettimeofday(&end); |
064af421 BP |
1778 | |
1779 | rpy_hdr = reply->data; | |
982697a4 BP |
1780 | if (ofptype_pull(&type, reply) |
1781 | || type != OFPTYPE_ECHO_REPLY | |
1782 | || reply->size != payload | |
1783 | || memcmp(request->l3, reply->l3, payload)) { | |
064af421 | 1784 | printf("Reply does not match request. Request:\n"); |
4f564f8d | 1785 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 1786 | printf("Reply:\n"); |
4f564f8d | 1787 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 1788 | } |
2886875a | 1789 | printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
982697a4 | 1790 | reply->size, argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
1791 | (1000*(double)(end.tv_sec - start.tv_sec)) |
1792 | + (.001*(end.tv_usec - start.tv_usec))); | |
1793 | ofpbuf_delete(request); | |
1794 | ofpbuf_delete(reply); | |
1795 | } | |
1796 | vconn_close(vconn); | |
1797 | } | |
1798 | ||
1799 | static void | |
e1fef0f9 | 1800 | ofctl_benchmark(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
1801 | { |
1802 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
1803 | struct timeval start, end; | |
1804 | unsigned int payload_size, message_size; | |
1805 | struct vconn *vconn; | |
1806 | double duration; | |
1807 | int count; | |
1808 | int i; | |
1809 | ||
1810 | payload_size = atoi(argv[2]); | |
1811 | if (payload_size > max_payload) { | |
1812 | ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload); | |
1813 | } | |
1814 | message_size = sizeof(struct ofp_header) + payload_size; | |
1815 | ||
1816 | count = atoi(argv[3]); | |
1817 | ||
1818 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
1819 | count, message_size, count * message_size); | |
1820 | ||
1821 | open_vconn(argv[1], &vconn); | |
279c9e03 | 1822 | xgettimeofday(&start); |
064af421 BP |
1823 | for (i = 0; i < count; i++) { |
1824 | struct ofpbuf *request, *reply; | |
064af421 | 1825 | |
a53a8efa SH |
1826 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
1827 | vconn_get_version(vconn), payload_size); | |
982697a4 | 1828 | ofpbuf_put_zeros(request, payload_size); |
064af421 BP |
1829 | run(vconn_transact(vconn, request, &reply), "transact"); |
1830 | ofpbuf_delete(reply); | |
1831 | } | |
279c9e03 | 1832 | xgettimeofday(&end); |
064af421 BP |
1833 | vconn_close(vconn); |
1834 | ||
1835 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
1836 | + (.001*(end.tv_usec - start.tv_usec))); | |
1837 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
1838 | duration, count / (duration / 1000.0), | |
1839 | count * message_size / (duration / 1000.0)); | |
1840 | } | |
1841 | ||
09246b99 | 1842 | static void |
e1fef0f9 | 1843 | ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
09246b99 BP |
1844 | { |
1845 | usage(); | |
1846 | } | |
1847 | \f | |
0199c526 BP |
1848 | /* replace-flows and diff-flows commands. */ |
1849 | ||
1850 | /* A flow table entry, possibly with two different versions. */ | |
1851 | struct fte { | |
1852 | struct cls_rule rule; /* Within a "struct classifier". */ | |
1853 | struct fte_version *versions[2]; | |
1854 | }; | |
1855 | ||
1856 | /* One version of a Flow Table Entry. */ | |
1857 | struct fte_version { | |
1858 | ovs_be64 cookie; | |
1859 | uint16_t idle_timeout; | |
1860 | uint16_t hard_timeout; | |
1861 | uint16_t flags; | |
f25d0cf3 BP |
1862 | struct ofpact *ofpacts; |
1863 | size_t ofpacts_len; | |
0199c526 BP |
1864 | }; |
1865 | ||
1866 | /* Frees 'version' and the data that it owns. */ | |
1867 | static void | |
1868 | fte_version_free(struct fte_version *version) | |
1869 | { | |
1870 | if (version) { | |
f25d0cf3 | 1871 | free(version->ofpacts); |
0199c526 BP |
1872 | free(version); |
1873 | } | |
1874 | } | |
1875 | ||
1876 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
1877 | * | |
1878 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
1879 | * an OpenFlow switch. We have to assume that they are the same. */ | |
1880 | static bool | |
1881 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
1882 | { | |
1883 | return (a->cookie == b->cookie | |
1884 | && a->idle_timeout == b->idle_timeout | |
1885 | && a->hard_timeout == b->hard_timeout | |
f25d0cf3 BP |
1886 | && ofpacts_equal(a->ofpacts, a->ofpacts_len, |
1887 | b->ofpacts, b->ofpacts_len)); | |
0199c526 BP |
1888 | } |
1889 | ||
98f7f427 BP |
1890 | /* Clears 's', then if 's' has a version 'index', formats 'fte' and version |
1891 | * 'index' into 's', followed by a new-line. */ | |
0199c526 | 1892 | static void |
98f7f427 | 1893 | fte_version_format(const struct fte *fte, int index, struct ds *s) |
0199c526 | 1894 | { |
98f7f427 | 1895 | const struct fte_version *version = fte->versions[index]; |
0199c526 | 1896 | |
98f7f427 BP |
1897 | ds_clear(s); |
1898 | if (!version) { | |
1899 | return; | |
1900 | } | |
1901 | ||
1902 | cls_rule_format(&fte->rule, s); | |
0199c526 | 1903 | if (version->cookie != htonll(0)) { |
98f7f427 | 1904 | ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie)); |
0199c526 BP |
1905 | } |
1906 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 1907 | ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout); |
0199c526 BP |
1908 | } |
1909 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 1910 | ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout); |
0199c526 BP |
1911 | } |
1912 | ||
98f7f427 BP |
1913 | ds_put_char(s, ' '); |
1914 | ofpacts_format(version->ofpacts, version->ofpacts_len, s); | |
1915 | ||
1916 | ds_put_char(s, '\n'); | |
0199c526 BP |
1917 | } |
1918 | ||
1919 | static struct fte * | |
1920 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
1921 | { | |
1922 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
1923 | } | |
1924 | ||
1925 | /* Frees 'fte' and its versions. */ | |
1926 | static void | |
1927 | fte_free(struct fte *fte) | |
1928 | { | |
1929 | if (fte) { | |
1930 | fte_version_free(fte->versions[0]); | |
1931 | fte_version_free(fte->versions[1]); | |
48d28ac1 | 1932 | cls_rule_destroy(&fte->rule); |
0199c526 BP |
1933 | free(fte); |
1934 | } | |
1935 | } | |
1936 | ||
1937 | /* Frees all of the FTEs within 'cls'. */ | |
1938 | static void | |
1939 | fte_free_all(struct classifier *cls) | |
1940 | { | |
1941 | struct cls_cursor cursor; | |
1942 | struct fte *fte, *next; | |
1943 | ||
0b4f2078 | 1944 | ovs_rwlock_wrlock(&cls->rwlock); |
0199c526 BP |
1945 | cls_cursor_init(&cursor, cls, NULL); |
1946 | CLS_CURSOR_FOR_EACH_SAFE (fte, next, rule, &cursor) { | |
1947 | classifier_remove(cls, &fte->rule); | |
1948 | fte_free(fte); | |
1949 | } | |
0b4f2078 | 1950 | ovs_rwlock_unlock(&cls->rwlock); |
e49190c4 | 1951 | classifier_destroy(cls); |
0199c526 BP |
1952 | } |
1953 | ||
1954 | /* Searches 'cls' for an FTE matching 'rule', inserting a new one if | |
1955 | * necessary. Sets 'version' as the version of that rule with the given | |
1956 | * 'index', replacing any existing version, if any. | |
1957 | * | |
1958 | * Takes ownership of 'version'. */ | |
1959 | static void | |
81a76618 BP |
1960 | fte_insert(struct classifier *cls, const struct match *match, |
1961 | unsigned int priority, struct fte_version *version, int index) | |
0199c526 BP |
1962 | { |
1963 | struct fte *old, *fte; | |
1964 | ||
1965 | fte = xzalloc(sizeof *fte); | |
81a76618 | 1966 | cls_rule_init(&fte->rule, match, priority); |
0199c526 BP |
1967 | fte->versions[index] = version; |
1968 | ||
0b4f2078 | 1969 | ovs_rwlock_wrlock(&cls->rwlock); |
08944c1d | 1970 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule)); |
0b4f2078 | 1971 | ovs_rwlock_unlock(&cls->rwlock); |
0199c526 BP |
1972 | if (old) { |
1973 | fte_version_free(old->versions[index]); | |
1974 | fte->versions[!index] = old->versions[!index]; | |
48d28ac1 | 1975 | cls_rule_destroy(&old->rule); |
0199c526 BP |
1976 | free(old); |
1977 | } | |
1978 | } | |
1979 | ||
1980 | /* Reads the flows in 'filename' as flow table entries in 'cls' for the version | |
27527aa0 BP |
1981 | * with the specified 'index'. Returns the flow formats able to represent the |
1982 | * flows that were read. */ | |
1983 | static enum ofputil_protocol | |
0199c526 BP |
1984 | read_flows_from_file(const char *filename, struct classifier *cls, int index) |
1985 | { | |
27527aa0 | 1986 | enum ofputil_protocol usable_protocols; |
bdda5aca | 1987 | int line_number; |
0199c526 BP |
1988 | struct ds s; |
1989 | FILE *file; | |
1990 | ||
1991 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
1992 | if (file == NULL) { | |
1993 | ovs_fatal(errno, "%s: open", filename); | |
1994 | } | |
1995 | ||
1996 | ds_init(&s); | |
27527aa0 | 1997 | usable_protocols = OFPUTIL_P_ANY; |
bdda5aca BP |
1998 | line_number = 0; |
1999 | while (!ds_get_preprocessed_line(&s, file, &line_number)) { | |
0199c526 | 2000 | struct fte_version *version; |
a9a2da38 | 2001 | struct ofputil_flow_mod fm; |
bdda5aca | 2002 | char *error; |
0199c526 | 2003 | |
bdda5aca BP |
2004 | error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s)); |
2005 | if (error) { | |
2006 | ovs_fatal(0, "%s:%d: %s", filename, line_number, error); | |
2007 | } | |
0199c526 BP |
2008 | |
2009 | version = xmalloc(sizeof *version); | |
623e1caf | 2010 | version->cookie = fm.new_cookie; |
0199c526 BP |
2011 | version->idle_timeout = fm.idle_timeout; |
2012 | version->hard_timeout = fm.hard_timeout; | |
35805806 | 2013 | version->flags = fm.flags & (OFPFF_SEND_FLOW_REM | OFPFF10_EMERG); |
f25d0cf3 BP |
2014 | version->ofpacts = fm.ofpacts; |
2015 | version->ofpacts_len = fm.ofpacts_len; | |
0199c526 | 2016 | |
81a76618 | 2017 | usable_protocols &= ofputil_usable_protocols(&fm.match); |
0199c526 | 2018 | |
81a76618 | 2019 | fte_insert(cls, &fm.match, fm.priority, version, index); |
0199c526 BP |
2020 | } |
2021 | ds_destroy(&s); | |
2022 | ||
2023 | if (file != stdin) { | |
2024 | fclose(file); | |
2025 | } | |
2026 | ||
27527aa0 | 2027 | return usable_protocols; |
0199c526 BP |
2028 | } |
2029 | ||
4ce9c315 BP |
2030 | static bool |
2031 | recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid, | |
2032 | struct ofpbuf **replyp, | |
2033 | struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts) | |
2034 | { | |
2035 | struct ofpbuf *reply = *replyp; | |
2036 | ||
2037 | for (;;) { | |
4ce9c315 | 2038 | int retval; |
35805806 | 2039 | bool more; |
4ce9c315 BP |
2040 | |
2041 | /* Get a flow stats reply message, if we don't already have one. */ | |
2042 | if (!reply) { | |
982697a4 BP |
2043 | enum ofptype type; |
2044 | enum ofperr error; | |
4ce9c315 BP |
2045 | |
2046 | do { | |
2047 | run(vconn_recv_block(vconn, &reply), | |
2048 | "OpenFlow packet receive failed"); | |
2049 | } while (((struct ofp_header *) reply->data)->xid != send_xid); | |
2050 | ||
982697a4 BP |
2051 | error = ofptype_decode(&type, reply->data); |
2052 | if (error || type != OFPTYPE_FLOW_STATS_REPLY) { | |
4ce9c315 BP |
2053 | ovs_fatal(0, "received bad reply: %s", |
2054 | ofp_to_string(reply->data, reply->size, | |
2055 | verbosity + 1)); | |
2056 | } | |
2057 | } | |
2058 | ||
2059 | /* Pull an individual flow stats reply out of the message. */ | |
2060 | retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts); | |
2061 | switch (retval) { | |
2062 | case 0: | |
2063 | *replyp = reply; | |
2064 | return true; | |
2065 | ||
2066 | case EOF: | |
35805806 | 2067 | more = ofpmp_more(reply->l2); |
4ce9c315 | 2068 | ofpbuf_delete(reply); |
296ed880 | 2069 | reply = NULL; |
35805806 | 2070 | if (!more) { |
4ce9c315 BP |
2071 | *replyp = NULL; |
2072 | return false; | |
2073 | } | |
2074 | break; | |
2075 | ||
2076 | default: | |
2077 | ovs_fatal(0, "parse error in reply (%s)", | |
2078 | ofperr_to_string(retval)); | |
2079 | } | |
2080 | } | |
2081 | } | |
2082 | ||
0199c526 | 2083 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow |
27527aa0 | 2084 | * format 'protocol', and adds them as flow table entries in 'cls' for the |
0199c526 BP |
2085 | * version with the specified 'index'. */ |
2086 | static void | |
27527aa0 BP |
2087 | read_flows_from_switch(struct vconn *vconn, |
2088 | enum ofputil_protocol protocol, | |
0199c526 BP |
2089 | struct classifier *cls, int index) |
2090 | { | |
81d1ea94 | 2091 | struct ofputil_flow_stats_request fsr; |
4ce9c315 | 2092 | struct ofputil_flow_stats fs; |
0199c526 | 2093 | struct ofpbuf *request; |
4ce9c315 BP |
2094 | struct ofpbuf ofpacts; |
2095 | struct ofpbuf *reply; | |
0199c526 | 2096 | ovs_be32 send_xid; |
0199c526 BP |
2097 | |
2098 | fsr.aggregate = false; | |
81a76618 | 2099 | match_init_catchall(&fsr.match); |
7f05e7ab | 2100 | fsr.out_port = OFPP_ANY; |
0199c526 | 2101 | fsr.table_id = 0xff; |
ecc798ab | 2102 | fsr.cookie = fsr.cookie_mask = htonll(0); |
27527aa0 | 2103 | request = ofputil_encode_flow_stats_request(&fsr, protocol); |
0199c526 BP |
2104 | send_xid = ((struct ofp_header *) request->data)->xid; |
2105 | send_openflow_buffer(vconn, request); | |
2106 | ||
4ce9c315 BP |
2107 | reply = NULL; |
2108 | ofpbuf_init(&ofpacts, 0); | |
2109 | while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) { | |
2110 | struct fte_version *version; | |
0199c526 | 2111 | |
4ce9c315 BP |
2112 | version = xmalloc(sizeof *version); |
2113 | version->cookie = fs.cookie; | |
2114 | version->idle_timeout = fs.idle_timeout; | |
2115 | version->hard_timeout = fs.hard_timeout; | |
2116 | version->flags = 0; | |
2117 | version->ofpacts_len = fs.ofpacts_len; | |
2118 | version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len); | |
2119 | ||
81a76618 | 2120 | fte_insert(cls, &fs.match, fs.priority, version, index); |
0199c526 | 2121 | } |
4ce9c315 | 2122 | ofpbuf_uninit(&ofpacts); |
0199c526 BP |
2123 | } |
2124 | ||
2125 | static void | |
2126 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
27527aa0 | 2127 | enum ofputil_protocol protocol, struct list *packets) |
0199c526 BP |
2128 | { |
2129 | const struct fte_version *version = fte->versions[index]; | |
a9a2da38 | 2130 | struct ofputil_flow_mod fm; |
0199c526 BP |
2131 | struct ofpbuf *ofm; |
2132 | ||
5cb7a798 | 2133 | minimatch_expand(&fte->rule.match, &fm.match); |
81a76618 | 2134 | fm.priority = fte->rule.priority; |
623e1caf JP |
2135 | fm.cookie = htonll(0); |
2136 | fm.cookie_mask = htonll(0); | |
2137 | fm.new_cookie = version->cookie; | |
23342857 | 2138 | fm.modify_cookie = true; |
6c1491fb | 2139 | fm.table_id = 0xff; |
0199c526 BP |
2140 | fm.command = command; |
2141 | fm.idle_timeout = version->idle_timeout; | |
2142 | fm.hard_timeout = version->hard_timeout; | |
2143 | fm.buffer_id = UINT32_MAX; | |
7f05e7ab | 2144 | fm.out_port = OFPP_ANY; |
0199c526 BP |
2145 | fm.flags = version->flags; |
2146 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || | |
2147 | command == OFPFC_MODIFY_STRICT) { | |
f25d0cf3 BP |
2148 | fm.ofpacts = version->ofpacts; |
2149 | fm.ofpacts_len = version->ofpacts_len; | |
0199c526 | 2150 | } else { |
f25d0cf3 BP |
2151 | fm.ofpacts = NULL; |
2152 | fm.ofpacts_len = 0; | |
0199c526 BP |
2153 | } |
2154 | ||
27527aa0 | 2155 | ofm = ofputil_encode_flow_mod(&fm, protocol); |
0199c526 BP |
2156 | list_push_back(packets, &ofm->list_node); |
2157 | } | |
2158 | ||
2159 | static void | |
e1fef0f9 | 2160 | ofctl_replace_flows(int argc OVS_UNUSED, char *argv[]) |
0199c526 BP |
2161 | { |
2162 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
27527aa0 | 2163 | enum ofputil_protocol usable_protocols, protocol; |
0199c526 BP |
2164 | struct cls_cursor cursor; |
2165 | struct classifier cls; | |
2166 | struct list requests; | |
2167 | struct vconn *vconn; | |
2168 | struct fte *fte; | |
2169 | ||
2170 | classifier_init(&cls); | |
27527aa0 | 2171 | usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX); |
0199c526 | 2172 | |
27527aa0 BP |
2173 | protocol = open_vconn(argv[1], &vconn); |
2174 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
2175 | ||
2176 | read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX); | |
0199c526 BP |
2177 | |
2178 | list_init(&requests); | |
2179 | ||
2180 | /* Delete flows that exist on the switch but not in the file. */ | |
0b4f2078 | 2181 | ovs_rwlock_rdlock(&cls.rwlock); |
0199c526 BP |
2182 | cls_cursor_init(&cursor, &cls, NULL); |
2183 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
2184 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
2185 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2186 | ||
2187 | if (sw_ver && !file_ver) { | |
2188 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
27527aa0 | 2189 | protocol, &requests); |
0199c526 BP |
2190 | } |
2191 | } | |
2192 | ||
2193 | /* Add flows that exist in the file but not on the switch. | |
2194 | * Update flows that exist in both places but differ. */ | |
2195 | cls_cursor_init(&cursor, &cls, NULL); | |
2196 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
2197 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
2198 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2199 | ||
c4ea79bf BP |
2200 | if (file_ver |
2201 | && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
27527aa0 | 2202 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests); |
0199c526 BP |
2203 | } |
2204 | } | |
0b4f2078 | 2205 | ovs_rwlock_unlock(&cls.rwlock); |
0199c526 BP |
2206 | transact_multiple_noreply(vconn, &requests); |
2207 | vconn_close(vconn); | |
2208 | ||
2209 | fte_free_all(&cls); | |
2210 | } | |
2211 | ||
2212 | static void | |
2213 | read_flows_from_source(const char *source, struct classifier *cls, int index) | |
2214 | { | |
2215 | struct stat s; | |
2216 | ||
2217 | if (source[0] == '/' || source[0] == '.' | |
2218 | || (!strchr(source, ':') && !stat(source, &s))) { | |
2219 | read_flows_from_file(source, cls, index); | |
2220 | } else { | |
27527aa0 | 2221 | enum ofputil_protocol protocol; |
0199c526 BP |
2222 | struct vconn *vconn; |
2223 | ||
27527aa0 BP |
2224 | protocol = open_vconn(source, &vconn); |
2225 | protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY); | |
2226 | read_flows_from_switch(vconn, protocol, cls, index); | |
0199c526 BP |
2227 | vconn_close(vconn); |
2228 | } | |
2229 | } | |
2230 | ||
2231 | static void | |
e1fef0f9 | 2232 | ofctl_diff_flows(int argc OVS_UNUSED, char *argv[]) |
0199c526 BP |
2233 | { |
2234 | bool differences = false; | |
2235 | struct cls_cursor cursor; | |
2236 | struct classifier cls; | |
98f7f427 | 2237 | struct ds a_s, b_s; |
0199c526 BP |
2238 | struct fte *fte; |
2239 | ||
2240 | classifier_init(&cls); | |
2241 | read_flows_from_source(argv[1], &cls, 0); | |
2242 | read_flows_from_source(argv[2], &cls, 1); | |
2243 | ||
98f7f427 BP |
2244 | ds_init(&a_s); |
2245 | ds_init(&b_s); | |
2246 | ||
0b4f2078 | 2247 | ovs_rwlock_rdlock(&cls.rwlock); |
0199c526 BP |
2248 | cls_cursor_init(&cursor, &cls, NULL); |
2249 | CLS_CURSOR_FOR_EACH (fte, rule, &cursor) { | |
2250 | struct fte_version *a = fte->versions[0]; | |
2251 | struct fte_version *b = fte->versions[1]; | |
2252 | ||
2253 | if (!a || !b || !fte_version_equals(a, b)) { | |
98f7f427 BP |
2254 | fte_version_format(fte, 0, &a_s); |
2255 | fte_version_format(fte, 1, &b_s); | |
2256 | if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) { | |
2257 | if (a_s.length) { | |
2258 | printf("-%s", ds_cstr(&a_s)); | |
2259 | } | |
2260 | if (b_s.length) { | |
2261 | printf("+%s", ds_cstr(&b_s)); | |
2262 | } | |
2263 | differences = true; | |
0199c526 | 2264 | } |
0199c526 BP |
2265 | } |
2266 | } | |
0b4f2078 | 2267 | ovs_rwlock_unlock(&cls.rwlock); |
0199c526 | 2268 | |
98f7f427 BP |
2269 | ds_destroy(&a_s); |
2270 | ds_destroy(&b_s); | |
2271 | ||
0199c526 BP |
2272 | fte_free_all(&cls); |
2273 | ||
2274 | if (differences) { | |
2275 | exit(2); | |
2276 | } | |
2277 | } | |
2278 | \f | |
09246b99 BP |
2279 | /* Undocumented commands for unit testing. */ |
2280 | ||
770f1f66 | 2281 | static void |
e1fef0f9 | 2282 | ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms) |
770f1f66 | 2283 | { |
27527aa0 BP |
2284 | enum ofputil_protocol usable_protocols; |
2285 | enum ofputil_protocol protocol = 0; | |
2286 | char *usable_s; | |
2287 | size_t i; | |
770f1f66 | 2288 | |
27527aa0 BP |
2289 | usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms); |
2290 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
2291 | printf("usable protocols: %s\n", usable_s); | |
2292 | free(usable_s); | |
2293 | ||
2294 | if (!(usable_protocols & allowed_protocols)) { | |
2295 | ovs_fatal(0, "no usable protocol"); | |
2296 | } | |
2297 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
2298 | protocol = 1 << i; | |
2299 | if (protocol & usable_protocols & allowed_protocols) { | |
2300 | break; | |
2301 | } | |
2302 | } | |
cc2862a9 | 2303 | ovs_assert(is_pow2(protocol)); |
27527aa0 BP |
2304 | |
2305 | printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol)); | |
2306 | ||
2307 | for (i = 0; i < n_fms; i++) { | |
2308 | struct ofputil_flow_mod *fm = &fms[i]; | |
2309 | struct ofpbuf *msg; | |
2310 | ||
2311 | msg = ofputil_encode_flow_mod(fm, protocol); | |
2312 | ofp_print(stdout, msg->data, msg->size, verbosity); | |
2313 | ofpbuf_delete(msg); | |
2314 | ||
f25d0cf3 | 2315 | free(fm->ofpacts); |
770f1f66 BP |
2316 | } |
2317 | } | |
2318 | ||
2319 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
2320 | * it back to stdout. */ | |
2321 | static void | |
e1fef0f9 | 2322 | ofctl_parse_flow(int argc OVS_UNUSED, char *argv[]) |
770f1f66 | 2323 | { |
27527aa0 | 2324 | struct ofputil_flow_mod fm; |
bdda5aca | 2325 | char *error; |
770f1f66 | 2326 | |
bdda5aca BP |
2327 | error = parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD); |
2328 | if (error) { | |
2329 | ovs_fatal(0, "%s", error); | |
2330 | } | |
e1fef0f9 | 2331 | ofctl_parse_flows__(&fm, 1); |
770f1f66 BP |
2332 | } |
2333 | ||
fec00620 BP |
2334 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
2335 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 | 2336 | static void |
e1fef0f9 | 2337 | ofctl_parse_flows(int argc OVS_UNUSED, char *argv[]) |
0e581146 | 2338 | { |
27527aa0 BP |
2339 | struct ofputil_flow_mod *fms = NULL; |
2340 | size_t n_fms = 0; | |
bdda5aca | 2341 | char *error; |
0e581146 | 2342 | |
bdda5aca BP |
2343 | error = parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms); |
2344 | if (error) { | |
2345 | ovs_fatal(0, "%s", error); | |
2346 | } | |
e1fef0f9 | 2347 | ofctl_parse_flows__(fms, n_fms); |
27527aa0 | 2348 | free(fms); |
0e581146 BP |
2349 | } |
2350 | ||
064af421 | 2351 | static void |
e1fef0f9 | 2352 | ofctl_parse_nxm__(bool oxm) |
09246b99 BP |
2353 | { |
2354 | struct ds in; | |
2355 | ||
2356 | ds_init(&in); | |
06d7ae7d | 2357 | while (!ds_get_test_line(&in, stdin)) { |
09246b99 | 2358 | struct ofpbuf nx_match; |
81a76618 | 2359 | struct match match; |
e729e793 | 2360 | ovs_be64 cookie, cookie_mask; |
90bf1e07 | 2361 | enum ofperr error; |
09246b99 | 2362 | int match_len; |
09246b99 BP |
2363 | |
2364 | /* Convert string to nx_match. */ | |
2365 | ofpbuf_init(&nx_match, 0); | |
7623f4dd SH |
2366 | if (oxm) { |
2367 | match_len = oxm_match_from_string(ds_cstr(&in), &nx_match); | |
2368 | } else { | |
2369 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
2370 | } | |
09246b99 | 2371 | |
81a76618 | 2372 | /* Convert nx_match to match. */ |
102ce766 | 2373 | if (strict) { |
7623f4dd | 2374 | if (oxm) { |
81a76618 | 2375 | error = oxm_pull_match(&nx_match, &match); |
7623f4dd | 2376 | } else { |
81a76618 | 2377 | error = nx_pull_match(&nx_match, match_len, &match, |
7623f4dd SH |
2378 | &cookie, &cookie_mask); |
2379 | } | |
102ce766 | 2380 | } else { |
7623f4dd | 2381 | if (oxm) { |
81a76618 | 2382 | error = oxm_pull_match_loose(&nx_match, &match); |
7623f4dd | 2383 | } else { |
81a76618 | 2384 | error = nx_pull_match_loose(&nx_match, match_len, &match, |
7623f4dd SH |
2385 | &cookie, &cookie_mask); |
2386 | } | |
102ce766 EJ |
2387 | } |
2388 | ||
7623f4dd | 2389 | |
09246b99 BP |
2390 | if (!error) { |
2391 | char *out; | |
2392 | ||
81a76618 | 2393 | /* Convert match back to nx_match. */ |
09246b99 BP |
2394 | ofpbuf_uninit(&nx_match); |
2395 | ofpbuf_init(&nx_match, 0); | |
7623f4dd | 2396 | if (oxm) { |
81a76618 | 2397 | match_len = oxm_put_match(&nx_match, &match); |
db5a1019 | 2398 | out = oxm_match_to_string(&nx_match, match_len); |
7623f4dd | 2399 | } else { |
81a76618 | 2400 | match_len = nx_put_match(&nx_match, &match, |
7623f4dd SH |
2401 | cookie, cookie_mask); |
2402 | out = nx_match_to_string(nx_match.data, match_len); | |
2403 | } | |
09246b99 | 2404 | |
09246b99 BP |
2405 | puts(out); |
2406 | free(out); | |
2407 | } else { | |
90bf1e07 BP |
2408 | printf("nx_pull_match() returned error %s\n", |
2409 | ofperr_get_name(error)); | |
09246b99 BP |
2410 | } |
2411 | ||
2412 | ofpbuf_uninit(&nx_match); | |
2413 | } | |
2414 | ds_destroy(&in); | |
064af421 BP |
2415 | } |
2416 | ||
b5ae8913 SH |
2417 | /* "parse-nxm": reads a series of NXM nx_match specifications as strings from |
2418 | * stdin, does some internal fussing with them, and then prints them back as | |
2419 | * strings on stdout. */ | |
2420 | static void | |
e1fef0f9 | 2421 | ofctl_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
b5ae8913 | 2422 | { |
e1fef0f9 | 2423 | return ofctl_parse_nxm__(false); |
b5ae8913 SH |
2424 | } |
2425 | ||
2426 | /* "parse-oxm": reads a series of OXM nx_match specifications as strings from | |
2427 | * stdin, does some internal fussing with them, and then prints them back as | |
2428 | * strings on stdout. */ | |
2429 | static void | |
e1fef0f9 | 2430 | ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
b5ae8913 | 2431 | { |
e1fef0f9 | 2432 | return ofctl_parse_nxm__(true); |
b5ae8913 SH |
2433 | } |
2434 | ||
f25d0cf3 | 2435 | static void |
96628ae8 BP |
2436 | print_differences(const char *prefix, |
2437 | const void *a_, size_t a_len, | |
f25d0cf3 BP |
2438 | const void *b_, size_t b_len) |
2439 | { | |
2440 | const uint8_t *a = a_; | |
2441 | const uint8_t *b = b_; | |
2442 | size_t i; | |
2443 | ||
2444 | for (i = 0; i < MIN(a_len, b_len); i++) { | |
2445 | if (a[i] != b[i]) { | |
96628ae8 BP |
2446 | printf("%s%2zu: %02"PRIx8" -> %02"PRIx8"\n", |
2447 | prefix, i, a[i], b[i]); | |
f25d0cf3 BP |
2448 | } |
2449 | } | |
2450 | for (i = a_len; i < b_len; i++) { | |
96628ae8 | 2451 | printf("%s%2zu: (none) -> %02"PRIx8"\n", prefix, i, b[i]); |
f25d0cf3 BP |
2452 | } |
2453 | for (i = b_len; i < a_len; i++) { | |
96628ae8 | 2454 | printf("%s%2zu: %02"PRIx8" -> (none)\n", prefix, i, a[i]); |
f25d0cf3 BP |
2455 | } |
2456 | } | |
2457 | ||
2458 | /* "parse-ofp10-actions": reads a series of OpenFlow 1.0 action specifications | |
2459 | * as hex bytes from stdin, converts them to ofpacts, prints them as strings | |
2460 | * on stdout, and then converts them back to hex bytes and prints any | |
2461 | * differences from the input. */ | |
2462 | static void | |
e1fef0f9 | 2463 | ofctl_parse_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
f25d0cf3 BP |
2464 | { |
2465 | struct ds in; | |
2466 | ||
2467 | ds_init(&in); | |
bdda5aca | 2468 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
f25d0cf3 BP |
2469 | struct ofpbuf of10_out; |
2470 | struct ofpbuf of10_in; | |
2471 | struct ofpbuf ofpacts; | |
2472 | enum ofperr error; | |
2473 | size_t size; | |
2474 | struct ds s; | |
2475 | ||
2476 | /* Parse hex bytes. */ | |
2477 | ofpbuf_init(&of10_in, 0); | |
2478 | if (ofpbuf_put_hex(&of10_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2479 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2480 | } | |
2481 | ||
2482 | /* Convert to ofpacts. */ | |
2483 | ofpbuf_init(&ofpacts, 0); | |
2484 | size = of10_in.size; | |
d01c980f | 2485 | error = ofpacts_pull_openflow10(&of10_in, of10_in.size, &ofpacts); |
f25d0cf3 BP |
2486 | if (error) { |
2487 | printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error)); | |
2488 | ofpbuf_uninit(&ofpacts); | |
2489 | ofpbuf_uninit(&of10_in); | |
2490 | continue; | |
2491 | } | |
2492 | ofpbuf_push_uninit(&of10_in, size); | |
2493 | ||
2494 | /* Print cls_rule. */ | |
2495 | ds_init(&s); | |
2496 | ofpacts_format(ofpacts.data, ofpacts.size, &s); | |
2497 | puts(ds_cstr(&s)); | |
2498 | ds_destroy(&s); | |
2499 | ||
2500 | /* Convert back to ofp10 actions and print differences from input. */ | |
2501 | ofpbuf_init(&of10_out, 0); | |
d01c980f | 2502 | ofpacts_put_openflow10(ofpacts.data, ofpacts.size, &of10_out); |
f25d0cf3 | 2503 | |
96628ae8 | 2504 | print_differences("", of10_in.data, of10_in.size, |
f25d0cf3 BP |
2505 | of10_out.data, of10_out.size); |
2506 | putchar('\n'); | |
2507 | ||
2508 | ofpbuf_uninit(&ofpacts); | |
2509 | ofpbuf_uninit(&of10_in); | |
2510 | ofpbuf_uninit(&of10_out); | |
2511 | } | |
2512 | ds_destroy(&in); | |
2513 | } | |
2514 | ||
96628ae8 BP |
2515 | /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex |
2516 | * bytes from stdin, converts them to cls_rules, prints them as strings on | |
2517 | * stdout, and then converts them back to hex bytes and prints any differences | |
8812ec2c BP |
2518 | * from the input. |
2519 | * | |
2520 | * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose | |
2521 | * values are ignored in the input and will be set to zero when OVS converts | |
2522 | * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when | |
2523 | * it does the conversion to hex, to ensure that in fact they are ignored. */ | |
96628ae8 BP |
2524 | static void |
2525 | ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
2526 | { | |
8812ec2c | 2527 | struct ds expout; |
96628ae8 BP |
2528 | struct ds in; |
2529 | ||
2530 | ds_init(&in); | |
8812ec2c | 2531 | ds_init(&expout); |
bdda5aca | 2532 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
8812ec2c | 2533 | struct ofpbuf match_in, match_expout; |
96628ae8 BP |
2534 | struct ofp10_match match_out; |
2535 | struct ofp10_match match_normal; | |
81a76618 | 2536 | struct match match; |
8812ec2c BP |
2537 | char *p; |
2538 | ||
2539 | /* Parse hex bytes to use for expected output. */ | |
2540 | ds_clear(&expout); | |
2541 | ds_put_cstr(&expout, ds_cstr(&in)); | |
2542 | for (p = ds_cstr(&expout); *p; p++) { | |
2543 | if (*p == 'x') { | |
2544 | *p = '0'; | |
2545 | } | |
2546 | } | |
2547 | ofpbuf_init(&match_expout, 0); | |
2548 | if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') { | |
2549 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2550 | } | |
2551 | if (match_expout.size != sizeof(struct ofp10_match)) { | |
2552 | ovs_fatal(0, "Input is %zu bytes, expected %zu", | |
2553 | match_expout.size, sizeof(struct ofp10_match)); | |
2554 | } | |
96628ae8 | 2555 | |
8812ec2c BP |
2556 | /* Parse hex bytes for input. */ |
2557 | for (p = ds_cstr(&in); *p; p++) { | |
2558 | if (*p == 'x') { | |
2559 | *p = "0123456789abcdef"[random_uint32() & 0xf]; | |
2560 | } | |
2561 | } | |
96628ae8 BP |
2562 | ofpbuf_init(&match_in, 0); |
2563 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2564 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2565 | } | |
2566 | if (match_in.size != sizeof(struct ofp10_match)) { | |
2567 | ovs_fatal(0, "Input is %zu bytes, expected %zu", | |
2568 | match_in.size, sizeof(struct ofp10_match)); | |
2569 | } | |
2570 | ||
2571 | /* Convert to cls_rule and print. */ | |
81a76618 BP |
2572 | ofputil_match_from_ofp10_match(match_in.data, &match); |
2573 | match_print(&match); | |
96628ae8 BP |
2574 | |
2575 | /* Convert back to ofp10_match and print differences from input. */ | |
81a76618 | 2576 | ofputil_match_to_ofp10_match(&match, &match_out); |
8812ec2c | 2577 | print_differences("", match_expout.data, match_expout.size, |
96628ae8 BP |
2578 | &match_out, sizeof match_out); |
2579 | ||
2580 | /* Normalize, then convert and compare again. */ | |
81a76618 BP |
2581 | ofputil_normalize_match(&match); |
2582 | ofputil_match_to_ofp10_match(&match, &match_normal); | |
96628ae8 BP |
2583 | print_differences("normal: ", &match_out, sizeof match_out, |
2584 | &match_normal, sizeof match_normal); | |
2585 | putchar('\n'); | |
2586 | ||
2587 | ofpbuf_uninit(&match_in); | |
8812ec2c | 2588 | ofpbuf_uninit(&match_expout); |
96628ae8 BP |
2589 | } |
2590 | ds_destroy(&in); | |
8812ec2c | 2591 | ds_destroy(&expout); |
96628ae8 BP |
2592 | } |
2593 | ||
410698cf | 2594 | /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex |
81a76618 BP |
2595 | * bytes from stdin, converts them to "struct match"es, prints them as strings |
2596 | * on stdout, and then converts them back to hex bytes and prints any | |
2597 | * differences from the input. */ | |
410698cf | 2598 | static void |
e1fef0f9 | 2599 | ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
410698cf BP |
2600 | { |
2601 | struct ds in; | |
2602 | ||
2603 | ds_init(&in); | |
bdda5aca | 2604 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
410698cf BP |
2605 | struct ofpbuf match_in; |
2606 | struct ofp11_match match_out; | |
81a76618 | 2607 | struct match match; |
410698cf | 2608 | enum ofperr error; |
410698cf BP |
2609 | |
2610 | /* Parse hex bytes. */ | |
2611 | ofpbuf_init(&match_in, 0); | |
2612 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2613 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2614 | } | |
2615 | if (match_in.size != sizeof(struct ofp11_match)) { | |
2616 | ovs_fatal(0, "Input is %zu bytes, expected %zu", | |
2617 | match_in.size, sizeof(struct ofp11_match)); | |
2618 | } | |
2619 | ||
81a76618 BP |
2620 | /* Convert to match. */ |
2621 | error = ofputil_match_from_ofp11_match(match_in.data, &match); | |
410698cf BP |
2622 | if (error) { |
2623 | printf("bad ofp11_match: %s\n\n", ofperr_get_name(error)); | |
2624 | ofpbuf_uninit(&match_in); | |
2625 | continue; | |
2626 | } | |
2627 | ||
81a76618 BP |
2628 | /* Print match. */ |
2629 | match_print(&match); | |
410698cf BP |
2630 | |
2631 | /* Convert back to ofp11_match and print differences from input. */ | |
81a76618 | 2632 | ofputil_match_to_ofp11_match(&match, &match_out); |
410698cf | 2633 | |
96628ae8 | 2634 | print_differences("", match_in.data, match_in.size, |
d01c980f BP |
2635 | &match_out, sizeof match_out); |
2636 | putchar('\n'); | |
410698cf | 2637 | |
d01c980f BP |
2638 | ofpbuf_uninit(&match_in); |
2639 | } | |
2640 | ds_destroy(&in); | |
2641 | } | |
2642 | ||
2643 | /* "parse-ofp11-actions": reads a series of OpenFlow 1.1 action specifications | |
2644 | * as hex bytes from stdin, converts them to ofpacts, prints them as strings | |
2645 | * on stdout, and then converts them back to hex bytes and prints any | |
2646 | * differences from the input. */ | |
2647 | static void | |
e1fef0f9 | 2648 | ofctl_parse_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
d01c980f BP |
2649 | { |
2650 | struct ds in; | |
2651 | ||
2652 | ds_init(&in); | |
bdda5aca | 2653 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
d01c980f BP |
2654 | struct ofpbuf of11_out; |
2655 | struct ofpbuf of11_in; | |
2656 | struct ofpbuf ofpacts; | |
2657 | enum ofperr error; | |
2658 | size_t size; | |
2659 | struct ds s; | |
2660 | ||
2661 | /* Parse hex bytes. */ | |
2662 | ofpbuf_init(&of11_in, 0); | |
2663 | if (ofpbuf_put_hex(&of11_in, ds_cstr(&in), NULL)[0] != '\0') { | |
2664 | ovs_fatal(0, "Trailing garbage in hex data"); | |
410698cf | 2665 | } |
d01c980f BP |
2666 | |
2667 | /* Convert to ofpacts. */ | |
2668 | ofpbuf_init(&ofpacts, 0); | |
2669 | size = of11_in.size; | |
2670 | error = ofpacts_pull_openflow11_actions(&of11_in, of11_in.size, | |
2671 | &ofpacts); | |
2672 | if (error) { | |
2673 | printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error)); | |
2674 | ofpbuf_uninit(&ofpacts); | |
2675 | ofpbuf_uninit(&of11_in); | |
2676 | continue; | |
2677 | } | |
2678 | ofpbuf_push_uninit(&of11_in, size); | |
2679 | ||
2680 | /* Print cls_rule. */ | |
2681 | ds_init(&s); | |
2682 | ofpacts_format(ofpacts.data, ofpacts.size, &s); | |
2683 | puts(ds_cstr(&s)); | |
2684 | ds_destroy(&s); | |
2685 | ||
2686 | /* Convert back to ofp11 actions and print differences from input. */ | |
2687 | ofpbuf_init(&of11_out, 0); | |
2688 | ofpacts_put_openflow11_actions(ofpacts.data, ofpacts.size, &of11_out); | |
2689 | ||
96628ae8 | 2690 | print_differences("", of11_in.data, of11_in.size, |
d01c980f | 2691 | of11_out.data, of11_out.size); |
410698cf BP |
2692 | putchar('\n'); |
2693 | ||
d01c980f BP |
2694 | ofpbuf_uninit(&ofpacts); |
2695 | ofpbuf_uninit(&of11_in); | |
2696 | ofpbuf_uninit(&of11_out); | |
2697 | } | |
2698 | ds_destroy(&in); | |
2699 | } | |
2700 | ||
2701 | /* "parse-ofp11-instructions": reads a series of OpenFlow 1.1 instruction | |
2702 | * specifications as hex bytes from stdin, converts them to ofpacts, prints | |
2703 | * them as strings on stdout, and then converts them back to hex bytes and | |
2704 | * prints any differences from the input. */ | |
2705 | static void | |
e1fef0f9 | 2706 | ofctl_parse_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
d01c980f BP |
2707 | { |
2708 | struct ds in; | |
2709 | ||
2710 | ds_init(&in); | |
bdda5aca | 2711 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
d01c980f BP |
2712 | struct ofpbuf of11_out; |
2713 | struct ofpbuf of11_in; | |
2714 | struct ofpbuf ofpacts; | |
2715 | enum ofperr error; | |
2716 | size_t size; | |
2717 | struct ds s; | |
bff7eeb6 JA |
2718 | const char *table_id; |
2719 | char *instructions; | |
2720 | ||
2721 | /* Parse table_id separated with the follow-up instructions by ",", if | |
2722 | * any. */ | |
2723 | instructions = ds_cstr(&in); | |
2724 | table_id = NULL; | |
2725 | if (strstr(instructions, ",")) { | |
2726 | table_id = strsep(&instructions, ","); | |
2727 | } | |
d01c980f BP |
2728 | |
2729 | /* Parse hex bytes. */ | |
2730 | ofpbuf_init(&of11_in, 0); | |
bff7eeb6 | 2731 | if (ofpbuf_put_hex(&of11_in, instructions, NULL)[0] != '\0') { |
d01c980f BP |
2732 | ovs_fatal(0, "Trailing garbage in hex data"); |
2733 | } | |
2734 | ||
2735 | /* Convert to ofpacts. */ | |
2736 | ofpbuf_init(&ofpacts, 0); | |
2737 | size = of11_in.size; | |
e3b56933 JR |
2738 | error = ofpacts_pull_openflow11_instructions(&of11_in, of11_in.size, |
2739 | &ofpacts); | |
2740 | if (!error) { | |
2741 | /* Verify actions. */ | |
2742 | struct flow flow; | |
2743 | memset(&flow, 0, sizeof flow); | |
2744 | error = ofpacts_check(ofpacts.data, ofpacts.size, &flow, OFPP_MAX, | |
2745 | table_id ? atoi(table_id) : 0); | |
2746 | } | |
d01c980f BP |
2747 | if (error) { |
2748 | printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error)); | |
2749 | ofpbuf_uninit(&ofpacts); | |
2750 | ofpbuf_uninit(&of11_in); | |
2751 | continue; | |
2752 | } | |
2753 | ofpbuf_push_uninit(&of11_in, size); | |
2754 | ||
2755 | /* Print cls_rule. */ | |
2756 | ds_init(&s); | |
2757 | ofpacts_format(ofpacts.data, ofpacts.size, &s); | |
2758 | puts(ds_cstr(&s)); | |
2759 | ds_destroy(&s); | |
2760 | ||
2761 | /* Convert back to ofp11 instructions and print differences from | |
2762 | * input. */ | |
2763 | ofpbuf_init(&of11_out, 0); | |
2764 | ofpacts_put_openflow11_instructions(ofpacts.data, ofpacts.size, | |
2765 | &of11_out); | |
2766 | ||
96628ae8 | 2767 | print_differences("", of11_in.data, of11_in.size, |
d01c980f BP |
2768 | of11_out.data, of11_out.size); |
2769 | putchar('\n'); | |
2770 | ||
2771 | ofpbuf_uninit(&ofpacts); | |
2772 | ofpbuf_uninit(&of11_in); | |
2773 | ofpbuf_uninit(&of11_out); | |
410698cf BP |
2774 | } |
2775 | ds_destroy(&in); | |
2776 | } | |
2777 | ||
df778240 BP |
2778 | /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and |
2779 | * mask values to and from various formats and prints the results. */ | |
2780 | static void | |
2781 | ofctl_check_vlan(int argc OVS_UNUSED, char *argv[]) | |
2782 | { | |
81a76618 | 2783 | struct match match; |
df778240 BP |
2784 | |
2785 | char *string_s; | |
2786 | struct ofputil_flow_mod fm; | |
2787 | ||
2788 | struct ofpbuf nxm; | |
81a76618 | 2789 | struct match nxm_match; |
df778240 BP |
2790 | int nxm_match_len; |
2791 | char *nxm_s; | |
2792 | ||
81a76618 BP |
2793 | struct ofp10_match of10_raw; |
2794 | struct match of10_match; | |
df778240 | 2795 | |
81a76618 BP |
2796 | struct ofp11_match of11_raw; |
2797 | struct match of11_match; | |
df778240 BP |
2798 | |
2799 | enum ofperr error; | |
bdda5aca | 2800 | char *error_s; |
df778240 | 2801 | |
81a76618 BP |
2802 | match_init_catchall(&match); |
2803 | match.flow.vlan_tci = htons(strtoul(argv[1], NULL, 16)); | |
2804 | match.wc.masks.vlan_tci = htons(strtoul(argv[2], NULL, 16)); | |
df778240 BP |
2805 | |
2806 | /* Convert to and from string. */ | |
81a76618 | 2807 | string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY); |
df778240 BP |
2808 | printf("%s -> ", string_s); |
2809 | fflush(stdout); | |
bdda5aca BP |
2810 | error_s = parse_ofp_str(&fm, -1, string_s); |
2811 | if (error_s) { | |
2812 | ovs_fatal(0, "%s", error_s); | |
2813 | } | |
df778240 | 2814 | printf("%04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
2815 | ntohs(fm.match.flow.vlan_tci), |
2816 | ntohs(fm.match.wc.masks.vlan_tci)); | |
4d859fa9 | 2817 | free(string_s); |
df778240 BP |
2818 | |
2819 | /* Convert to and from NXM. */ | |
2820 | ofpbuf_init(&nxm, 0); | |
81a76618 | 2821 | nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0)); |
df778240 | 2822 | nxm_s = nx_match_to_string(nxm.data, nxm_match_len); |
81a76618 | 2823 | error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL); |
df778240 BP |
2824 | printf("NXM: %s -> ", nxm_s); |
2825 | if (error) { | |
2826 | printf("%s\n", ofperr_to_string(error)); | |
2827 | } else { | |
2828 | printf("%04"PRIx16"/%04"PRIx16"\n", | |
81a76618 BP |
2829 | ntohs(nxm_match.flow.vlan_tci), |
2830 | ntohs(nxm_match.wc.masks.vlan_tci)); | |
df778240 BP |
2831 | } |
2832 | free(nxm_s); | |
2833 | ofpbuf_uninit(&nxm); | |
2834 | ||
476a0e9e SH |
2835 | /* Convert to and from OXM. */ |
2836 | ofpbuf_init(&nxm, 0); | |
81a76618 | 2837 | nxm_match_len = oxm_put_match(&nxm, &match); |
db5a1019 | 2838 | nxm_s = oxm_match_to_string(&nxm, nxm_match_len); |
81a76618 | 2839 | error = oxm_pull_match(&nxm, &nxm_match); |
476a0e9e SH |
2840 | printf("OXM: %s -> ", nxm_s); |
2841 | if (error) { | |
2842 | printf("%s\n", ofperr_to_string(error)); | |
2843 | } else { | |
81a76618 | 2844 | uint16_t vid = ntohs(nxm_match.flow.vlan_tci) & |
476a0e9e | 2845 | (VLAN_VID_MASK | VLAN_CFI); |
81a76618 | 2846 | uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) & |
476a0e9e SH |
2847 | (VLAN_VID_MASK | VLAN_CFI); |
2848 | ||
2849 | printf("%04"PRIx16"/%04"PRIx16",", vid, mask); | |
81a76618 BP |
2850 | if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) { |
2851 | printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci)); | |
476a0e9e SH |
2852 | } else { |
2853 | printf("--\n"); | |
2854 | } | |
2855 | } | |
2856 | free(nxm_s); | |
2857 | ofpbuf_uninit(&nxm); | |
2858 | ||
df778240 | 2859 | /* Convert to and from OpenFlow 1.0. */ |
81a76618 BP |
2860 | ofputil_match_to_ofp10_match(&match, &of10_raw); |
2861 | ofputil_match_from_ofp10_match(&of10_raw, &of10_match); | |
df778240 | 2862 | printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
2863 | ntohs(of10_raw.dl_vlan), |
2864 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0, | |
2865 | of10_raw.dl_vlan_pcp, | |
2866 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0, | |
2867 | ntohs(of10_match.flow.vlan_tci), | |
2868 | ntohs(of10_match.wc.masks.vlan_tci)); | |
df778240 BP |
2869 | |
2870 | /* Convert to and from OpenFlow 1.1. */ | |
81a76618 BP |
2871 | ofputil_match_to_ofp11_match(&match, &of11_raw); |
2872 | ofputil_match_from_ofp11_match(&of11_raw, &of11_match); | |
df778240 | 2873 | printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
2874 | ntohs(of11_raw.dl_vlan), |
2875 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0, | |
2876 | of11_raw.dl_vlan_pcp, | |
2877 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0, | |
2878 | ntohs(of11_match.flow.vlan_tci), | |
2879 | ntohs(of11_match.wc.masks.vlan_tci)); | |
df778240 BP |
2880 | } |
2881 | ||
2e0525bc SH |
2882 | /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow |
2883 | * version. */ | |
2884 | static void | |
e1fef0f9 | 2885 | ofctl_print_error(int argc OVS_UNUSED, char *argv[]) |
2e0525bc SH |
2886 | { |
2887 | enum ofperr error; | |
2888 | int version; | |
2889 | ||
2890 | error = ofperr_from_name(argv[1]); | |
2891 | if (!error) { | |
2892 | ovs_fatal(0, "unknown error \"%s\"", argv[1]); | |
2893 | } | |
2894 | ||
2895 | for (version = 0; version <= UINT8_MAX; version++) { | |
688e86e1 | 2896 | const char *name = ofperr_domain_get_name(version); |
514887ee BP |
2897 | if (name) { |
2898 | int vendor = ofperr_get_vendor(error, version); | |
2899 | int type = ofperr_get_type(error, version); | |
2900 | int code = ofperr_get_code(error, version); | |
2901 | ||
2902 | if (vendor != -1 || type != -1 || code != -1) { | |
2903 | printf("%s: vendor %#x, type %d, code %d\n", | |
2904 | name, vendor, type, code); | |
2905 | } | |
2e0525bc | 2906 | } |
2e0525bc SH |
2907 | } |
2908 | } | |
2909 | ||
edd70aa7 BP |
2910 | /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the |
2911 | * error named ENUM and prints the error reply in hex. */ | |
2912 | static void | |
2913 | ofctl_encode_error_reply(int argc OVS_UNUSED, char *argv[]) | |
2914 | { | |
2915 | const struct ofp_header *oh; | |
2916 | struct ofpbuf request, *reply; | |
2917 | enum ofperr error; | |
2918 | ||
2919 | error = ofperr_from_name(argv[1]); | |
2920 | if (!error) { | |
2921 | ovs_fatal(0, "unknown error \"%s\"", argv[1]); | |
2922 | } | |
2923 | ||
2924 | ofpbuf_init(&request, 0); | |
2925 | if (ofpbuf_put_hex(&request, argv[2], NULL)[0] != '\0') { | |
2926 | ovs_fatal(0, "Trailing garbage in hex data"); | |
2927 | } | |
2928 | if (request.size < sizeof(struct ofp_header)) { | |
2929 | ovs_fatal(0, "Request too short"); | |
2930 | } | |
2931 | ||
2932 | oh = request.data; | |
2933 | if (request.size != ntohs(oh->length)) { | |
2934 | ovs_fatal(0, "Request size inconsistent"); | |
2935 | } | |
2936 | ||
2937 | reply = ofperr_encode_reply(error, request.data); | |
2938 | ofpbuf_uninit(&request); | |
2939 | ||
2940 | ovs_hex_dump(stdout, reply->data, reply->size, 0, false); | |
2941 | ofpbuf_delete(reply); | |
2942 | } | |
2943 | ||
fec00620 BP |
2944 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
2945 | * binary data, interpreting them as an OpenFlow message, and prints the | |
2946 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). */ | |
2947 | static void | |
e1fef0f9 | 2948 | ofctl_ofp_print(int argc, char *argv[]) |
fec00620 BP |
2949 | { |
2950 | struct ofpbuf packet; | |
2951 | ||
2952 | ofpbuf_init(&packet, strlen(argv[1]) / 2); | |
2953 | if (ofpbuf_put_hex(&packet, argv[1], NULL)[0] != '\0') { | |
2954 | ovs_fatal(0, "trailing garbage following hex bytes"); | |
2955 | } | |
2956 | ofp_print(stdout, packet.data, packet.size, argc > 2 ? atoi(argv[2]) : 2); | |
2957 | ofpbuf_uninit(&packet); | |
2958 | } | |
2959 | ||
681ea7a0 BP |
2960 | /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message |
2961 | * and dumps each message in hex. */ | |
2962 | static void | |
2963 | ofctl_encode_hello(int argc OVS_UNUSED, char *argv[]) | |
2964 | { | |
2965 | uint32_t bitmap = strtol(argv[1], NULL, 0); | |
2966 | struct ofpbuf *hello; | |
2967 | ||
2968 | hello = ofputil_encode_hello(bitmap); | |
2969 | ovs_hex_dump(stdout, hello->data, hello->size, 0, false); | |
2970 | ofp_print(stdout, hello->data, hello->size, verbosity); | |
2971 | ofpbuf_delete(hello); | |
2972 | } | |
2973 | ||
675febfa | 2974 | static const struct command all_commands[] = { |
e1fef0f9 AS |
2975 | { "show", 1, 1, ofctl_show }, |
2976 | { "monitor", 1, 3, ofctl_monitor }, | |
2977 | { "snoop", 1, 1, ofctl_snoop }, | |
2978 | { "dump-desc", 1, 1, ofctl_dump_desc }, | |
2979 | { "dump-tables", 1, 1, ofctl_dump_tables }, | |
2980 | { "dump-flows", 1, 2, ofctl_dump_flows }, | |
2981 | { "dump-aggregate", 1, 2, ofctl_dump_aggregate }, | |
2982 | { "queue-stats", 1, 3, ofctl_queue_stats }, | |
2983 | { "add-flow", 2, 2, ofctl_add_flow }, | |
2984 | { "add-flows", 2, 2, ofctl_add_flows }, | |
2985 | { "mod-flows", 2, 2, ofctl_mod_flows }, | |
2986 | { "del-flows", 1, 2, ofctl_del_flows }, | |
2987 | { "replace-flows", 2, 2, ofctl_replace_flows }, | |
2988 | { "diff-flows", 2, 2, ofctl_diff_flows }, | |
2989 | { "packet-out", 4, INT_MAX, ofctl_packet_out }, | |
2990 | { "dump-ports", 1, 2, ofctl_dump_ports }, | |
2991 | { "dump-ports-desc", 1, 1, ofctl_dump_ports_desc }, | |
2992 | { "mod-port", 3, 3, ofctl_mod_port }, | |
2993 | { "get-frags", 1, 1, ofctl_get_frags }, | |
2994 | { "set-frags", 2, 2, ofctl_set_frags }, | |
1ac0e975 | 2995 | { "ofp-parse", 1, 1, ofctl_ofp_parse }, |
e1fef0f9 AS |
2996 | { "probe", 1, 1, ofctl_probe }, |
2997 | { "ping", 1, 2, ofctl_ping }, | |
2998 | { "benchmark", 3, 3, ofctl_benchmark }, | |
2999 | { "help", 0, INT_MAX, ofctl_help }, | |
09246b99 BP |
3000 | |
3001 | /* Undocumented commands for testing. */ | |
e1fef0f9 AS |
3002 | { "parse-flow", 1, 1, ofctl_parse_flow }, |
3003 | { "parse-flows", 1, 1, ofctl_parse_flows }, | |
3004 | { "parse-nx-match", 0, 0, ofctl_parse_nxm }, | |
3005 | { "parse-nxm", 0, 0, ofctl_parse_nxm }, | |
3006 | { "parse-oxm", 0, 0, ofctl_parse_oxm }, | |
3007 | { "parse-ofp10-actions", 0, 0, ofctl_parse_ofp10_actions }, | |
96628ae8 | 3008 | { "parse-ofp10-match", 0, 0, ofctl_parse_ofp10_match }, |
e1fef0f9 AS |
3009 | { "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match }, |
3010 | { "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions }, | |
3011 | { "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions }, | |
df778240 | 3012 | { "check-vlan", 2, 2, ofctl_check_vlan }, |
e1fef0f9 | 3013 | { "print-error", 1, 1, ofctl_print_error }, |
edd70aa7 | 3014 | { "encode-error-reply", 2, 2, ofctl_encode_error_reply }, |
e1fef0f9 | 3015 | { "ofp-print", 1, 2, ofctl_ofp_print }, |
681ea7a0 | 3016 | { "encode-hello", 1, 1, ofctl_encode_hello }, |
09246b99 | 3017 | |
064af421 BP |
3018 | { NULL, 0, 0, NULL }, |
3019 | }; | |
3815d6c2 LS |
3020 | |
3021 | static const struct command *get_all_commands(void) | |
3022 | { | |
3023 | return all_commands; | |
3024 | } |