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064af421 | 1 | /* |
18080541 | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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> | |
71d1b763 | 28 | #include <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" |
8a777cf6 | 39 | #include "fatal-signal.h" |
09246b99 | 40 | #include "nx-match.h" |
064af421 | 41 | #include "odp-util.h" |
f25d0cf3 | 42 | #include "ofp-actions.h" |
90bf1e07 | 43 | #include "ofp-errors.h" |
982697a4 | 44 | #include "ofp-msgs.h" |
f22716dc | 45 | #include "ofp-parse.h" |
064af421 | 46 | #include "ofp-print.h" |
fa37b408 | 47 | #include "ofp-util.h" |
a53a8efa | 48 | #include "ofp-version-opt.h" |
064af421 | 49 | #include "ofpbuf.h" |
63d347ce | 50 | #include "ofproto/ofproto.h" |
064af421 BP |
51 | #include "openflow/nicira-ext.h" |
52 | #include "openflow/openflow.h" | |
cf62fa4c | 53 | #include "dp-packet.h" |
0c3d5fc8 | 54 | #include "packets.h" |
14249c02 | 55 | #include "pcap-file.h" |
1eb85ef5 | 56 | #include "poll-loop.h" |
064af421 | 57 | #include "random.h" |
fe55ad15 | 58 | #include "stream-ssl.h" |
c3f25389 | 59 | #include "socket-util.h" |
064af421 | 60 | #include "timeval.h" |
1eb85ef5 | 61 | #include "unixctl.h" |
064af421 | 62 | #include "util.h" |
4a1f523f | 63 | #include "openvswitch/vconn.h" |
e6211adc | 64 | #include "openvswitch/vlog.h" |
bdcc5925 BP |
65 | #include "meta-flow.h" |
66 | #include "sort.h" | |
064af421 | 67 | |
d98e6007 | 68 | VLOG_DEFINE_THIS_MODULE(ofctl); |
064af421 | 69 | |
102ce766 EJ |
70 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
71 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
72 | */ | |
675febfa | 73 | static bool strict; |
064af421 | 74 | |
96989efc | 75 | /* --readd: If true, on replace-flows, re-add even flows that have not changed |
c4ea79bf BP |
76 | * (to reset flow counters). */ |
77 | static bool readd; | |
78 | ||
27527aa0 BP |
79 | /* -F, --flow-format: Allowed protocols. By default, any protocol is |
80 | * allowed. */ | |
81 | static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY; | |
88ca35ee | 82 | |
54834960 EJ |
83 | /* -P, --packet-in-format: Packet IN format to use in monitor and snoop |
84 | * commands. Either one of NXPIF_* to force a particular packet_in format, or | |
85 | * -1 to let ovs-ofctl choose the default. */ | |
86 | static int preferred_packet_in_format = -1; | |
87 | ||
4f564f8d BP |
88 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
89 | static int verbosity; | |
90 | ||
0c9560b7 BP |
91 | /* --timestamp: Print a timestamp before each received packet on "monitor" and |
92 | * "snoop" command? */ | |
93 | static bool timestamp; | |
94 | ||
19945013 BP |
95 | /* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop" |
96 | commands. */ | |
97 | static char *unixctl_path; | |
98 | ||
bdcc5925 BP |
99 | /* --sort, --rsort: Sort order. */ |
100 | enum sort_order { SORT_ASC, SORT_DESC }; | |
101 | struct sort_criterion { | |
102 | const struct mf_field *field; /* NULL means to sort by priority. */ | |
103 | enum sort_order order; | |
104 | }; | |
105 | static struct sort_criterion *criteria; | |
106 | static size_t n_criteria, allocated_criteria; | |
107 | ||
3815d6c2 | 108 | static const struct command *get_all_commands(void); |
064af421 | 109 | |
cab50449 | 110 | OVS_NO_RETURN static void usage(void); |
675febfa | 111 | static void parse_options(int argc, char *argv[]); |
064af421 | 112 | |
bdcc5925 BP |
113 | static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid, |
114 | struct ofpbuf **replyp, | |
115 | struct ofputil_flow_stats *, | |
116 | struct ofpbuf *ofpacts); | |
675febfa BP |
117 | int |
118 | main(int argc, char *argv[]) | |
064af421 | 119 | { |
064af421 | 120 | set_program_name(argv[0]); |
5e3ee29d | 121 | service_start(&argc, &argv); |
675febfa | 122 | parse_options(argc, argv); |
8a777cf6 | 123 | fatal_ignore_sigpipe(); |
3815d6c2 | 124 | run_command(argc - optind, argv + optind, get_all_commands()); |
064af421 BP |
125 | return 0; |
126 | } | |
127 | ||
bdcc5925 BP |
128 | static void |
129 | add_sort_criterion(enum sort_order order, const char *field) | |
130 | { | |
131 | struct sort_criterion *sc; | |
132 | ||
133 | if (n_criteria >= allocated_criteria) { | |
134 | criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria); | |
135 | } | |
136 | ||
137 | sc = &criteria[n_criteria++]; | |
138 | if (!field || !strcasecmp(field, "priority")) { | |
139 | sc->field = NULL; | |
140 | } else { | |
141 | sc->field = mf_from_name(field); | |
142 | if (!sc->field) { | |
143 | ovs_fatal(0, "%s: unknown field name", field); | |
144 | } | |
145 | } | |
146 | sc->order = order; | |
147 | } | |
148 | ||
064af421 | 149 | static void |
675febfa | 150 | parse_options(int argc, char *argv[]) |
064af421 BP |
151 | { |
152 | enum { | |
87c84891 | 153 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 154 | OPT_READD, |
0c9560b7 | 155 | OPT_TIMESTAMP, |
bdcc5925 BP |
156 | OPT_SORT, |
157 | OPT_RSORT, | |
19945013 | 158 | OPT_UNIXCTL, |
1eb85ef5 | 159 | DAEMON_OPTION_ENUMS, |
a53a8efa | 160 | OFP_VERSION_OPTION_ENUMS, |
87c84891 | 161 | VLOG_OPTION_ENUMS |
064af421 | 162 | }; |
07fc4ed3 | 163 | static const struct option long_options[] = { |
e3c17733 BP |
164 | {"timeout", required_argument, NULL, 't'}, |
165 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 166 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 | 167 | {"flow-format", required_argument, NULL, 'F'}, |
54834960 | 168 | {"packet-in-format", required_argument, NULL, 'P'}, |
e3c17733 | 169 | {"more", no_argument, NULL, 'm'}, |
0c9560b7 | 170 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
bdcc5925 BP |
171 | {"sort", optional_argument, NULL, OPT_SORT}, |
172 | {"rsort", optional_argument, NULL, OPT_RSORT}, | |
19945013 | 173 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, |
e3c17733 | 174 | {"help", no_argument, NULL, 'h'}, |
66fa2c88 | 175 | {"option", no_argument, NULL, 'o'}, |
1eb85ef5 | 176 | DAEMON_LONG_OPTIONS, |
a53a8efa | 177 | OFP_VERSION_LONG_OPTIONS, |
87c84891 | 178 | VLOG_LONG_OPTIONS, |
bf8f2167 | 179 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 180 | {NULL, 0, NULL, 0}, |
064af421 BP |
181 | }; |
182 | char *short_options = long_options_to_short_options(long_options); | |
37923ac7 BP |
183 | uint32_t versions; |
184 | enum ofputil_protocol version_protocols; | |
064af421 | 185 | |
6dc53744 BP |
186 | /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is |
187 | * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow | |
188 | * requests, but those requests have subtly different semantics in | |
189 | * different OpenFlow versions. For example: | |
190 | * | |
191 | * - In OpenFlow 1.0, a "mod-flow" operation that does not find any | |
192 | * existing flow to modify adds a new flow. | |
193 | * | |
194 | * - In OpenFlow 1.1, a "mod-flow" operation that does not find any | |
195 | * existing flow to modify adds a new flow, but only if the mod-flow | |
196 | * did not match on the flow cookie. | |
197 | * | |
198 | * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a | |
199 | * new flow. | |
200 | */ | |
201 | set_allowed_ofp_versions("OpenFlow10"); | |
202 | ||
064af421 BP |
203 | for (;;) { |
204 | unsigned long int timeout; | |
205 | int c; | |
206 | ||
207 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
208 | if (c == -1) { | |
209 | break; | |
210 | } | |
211 | ||
212 | switch (c) { | |
213 | case 't': | |
214 | timeout = strtoul(optarg, NULL, 10); | |
215 | if (timeout <= 0) { | |
216 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
217 | optarg); | |
218 | } else { | |
219 | time_alarm(timeout); | |
220 | } | |
221 | break; | |
222 | ||
88ca35ee | 223 | case 'F': |
27527aa0 BP |
224 | allowed_protocols = ofputil_protocols_from_string(optarg); |
225 | if (!allowed_protocols) { | |
226 | ovs_fatal(0, "%s: invalid flow format(s)", optarg); | |
88ca35ee BP |
227 | } |
228 | break; | |
229 | ||
54834960 EJ |
230 | case 'P': |
231 | preferred_packet_in_format = | |
232 | ofputil_packet_in_format_from_string(optarg); | |
233 | if (preferred_packet_in_format < 0) { | |
234 | ovs_fatal(0, "unknown packet-in format `%s'", optarg); | |
235 | } | |
236 | break; | |
237 | ||
4f564f8d BP |
238 | case 'm': |
239 | verbosity++; | |
240 | break; | |
241 | ||
064af421 BP |
242 | case 'h': |
243 | usage(); | |
244 | ||
66fa2c88 AW |
245 | case 'o': |
246 | print_options(long_options); | |
247 | exit(EXIT_SUCCESS); | |
248 | ||
064af421 | 249 | case OPT_STRICT: |
675febfa | 250 | strict = true; |
064af421 BP |
251 | break; |
252 | ||
c4ea79bf BP |
253 | case OPT_READD: |
254 | readd = true; | |
255 | break; | |
256 | ||
0c9560b7 BP |
257 | case OPT_TIMESTAMP: |
258 | timestamp = true; | |
259 | break; | |
260 | ||
bdcc5925 BP |
261 | case OPT_SORT: |
262 | add_sort_criterion(SORT_ASC, optarg); | |
263 | break; | |
264 | ||
265 | case OPT_RSORT: | |
266 | add_sort_criterion(SORT_DESC, optarg); | |
267 | break; | |
268 | ||
19945013 BP |
269 | case OPT_UNIXCTL: |
270 | unixctl_path = optarg; | |
271 | break; | |
272 | ||
1eb85ef5 | 273 | DAEMON_OPTION_HANDLERS |
a53a8efa | 274 | OFP_VERSION_OPTION_HANDLERS |
87c84891 | 275 | VLOG_OPTION_HANDLERS |
fe55ad15 | 276 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
277 | |
278 | case '?': | |
279 | exit(EXIT_FAILURE); | |
280 | ||
281 | default: | |
282 | abort(); | |
283 | } | |
284 | } | |
bdcc5925 BP |
285 | |
286 | if (n_criteria) { | |
287 | /* Always do a final sort pass based on priority. */ | |
288 | add_sort_criterion(SORT_DESC, "priority"); | |
289 | } | |
290 | ||
064af421 | 291 | free(short_options); |
37923ac7 BP |
292 | |
293 | versions = get_allowed_ofp_versions(); | |
294 | version_protocols = ofputil_protocols_from_version_bitmap(versions); | |
295 | if (!(allowed_protocols & version_protocols)) { | |
296 | char *protocols = ofputil_protocols_to_string(allowed_protocols); | |
297 | struct ds version_s = DS_EMPTY_INITIALIZER; | |
298 | ||
299 | ofputil_format_version_bitmap_names(&version_s, versions); | |
300 | ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports " | |
301 | "any of the enabled flow formats (%s). (Use -O to enable " | |
302 | "additional OpenFlow versions or -F to enable additional " | |
303 | "flow formats.)", ds_cstr(&version_s), protocols); | |
304 | } | |
305 | allowed_protocols &= version_protocols; | |
306 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
307 | allowed_protocols)); | |
064af421 BP |
308 | } |
309 | ||
310 | static void | |
311 | usage(void) | |
312 | { | |
313 | printf("%s: OpenFlow switch management utility\n" | |
314 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
315 | "\nFor OpenFlow switches:\n" | |
316 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
317 | " dump-desc SWITCH print switch description\n" |
318 | " dump-tables SWITCH print table stats\n" | |
5deff5aa | 319 | " dump-table-features SWITCH print table features\n" |
064af421 | 320 | " mod-port SWITCH IFACE ACT modify port behavior\n" |
918f2b82 | 321 | " mod-table SWITCH MOD modify flow table behavior\n" |
7257b535 BP |
322 | " get-frags SWITCH print fragment handling behavior\n" |
323 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
abaad8cf | 324 | " dump-ports SWITCH [PORT] print port statistics\n" |
70ae4f93 | 325 | " dump-ports-desc SWITCH [PORT] print port descriptions\n" |
064af421 BP |
326 | " dump-flows SWITCH print all flow entries\n" |
327 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
328 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
329 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 330 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
331 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
332 | " add-flows SWITCH FILE add flows from FILE\n" | |
333 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
334 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 335 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
1dac118c | 336 | " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n" |
0c3d5fc8 BP |
337 | " packet-out SWITCH IN_PORT ACTIONS PACKET...\n" |
338 | " execute ACTIONS on PACKET\n" | |
2b07c8b1 | 339 | " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n" |
1dac118c BP |
340 | " print packets received from SWITCH\n" |
341 | " snoop SWITCH snoop on SWITCH and its controller\n" | |
7395c052 | 342 | " add-group SWITCH GROUP add group described by GROUP\n" |
bdcca615 | 343 | " add-groups SWITCH FILE add group from FILE\n" |
7395c052 NZ |
344 | " mod-group SWITCH GROUP modify specific group\n" |
345 | " del-groups SWITCH [GROUP] delete matching GROUPs\n" | |
bdbb8426 SH |
346 | " insert-buckets SWITCH [GROUP] add buckets to GROUP\n" |
347 | " remove-buckets SWITCH [GROUP] remove buckets from GROUP\n" | |
7395c052 | 348 | " dump-group-features SWITCH print group features\n" |
19187a71 | 349 | " dump-groups SWITCH [GROUP] print group description\n" |
7395c052 | 350 | " dump-group-stats SWITCH [GROUP] print group statistics\n" |
e8f9a7bb | 351 | " queue-get-config SWITCH PORT print queue information for port\n" |
3200ed58 JR |
352 | " add-meter SWITCH METER add meter described by METER\n" |
353 | " mod-meter SWITCH METER modify specific METER\n" | |
354 | " del-meter SWITCH METER delete METER\n" | |
355 | " del-meters SWITCH delete all meters\n" | |
356 | " dump-meter SWITCH METER print METER configuration\n" | |
357 | " dump-meters SWITCH print all meter configuration\n" | |
358 | " meter-stats SWITCH [METER] print meter statistics\n" | |
359 | " meter-features SWITCH print meter features\n" | |
064af421 | 360 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
361 | " probe TARGET probe whether TARGET is up\n" |
362 | " ping TARGET [N] latency of N-byte echos\n" | |
363 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
1ac0e975 BP |
364 | "SWITCH or TARGET is an active OpenFlow connection method.\n" |
365 | "\nOther commands:\n" | |
f3dd1419 BP |
366 | " ofp-parse FILE print messages read from FILE\n" |
367 | " ofp-parse-pcap PCAP print OpenFlow read from PCAP\n", | |
064af421 BP |
368 | program_name, program_name); |
369 | vconn_usage(true, false, false); | |
1eb85ef5 | 370 | daemon_usage(); |
a53a8efa | 371 | ofp_version_usage(); |
064af421 BP |
372 | vlog_usage(); |
373 | printf("\nOther options:\n" | |
374 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 375 | " --readd replace flows that haven't changed\n" |
88ca35ee | 376 | " -F, --flow-format=FORMAT force particular flow format\n" |
54834960 | 377 | " -P, --packet-in-format=FRMT force particular packet in format\n" |
4f564f8d | 378 | " -m, --more be more verbose printing OpenFlow\n" |
0c9560b7 | 379 | " --timestamp (monitor, snoop) print timestamps\n" |
064af421 | 380 | " -t, --timeout=SECS give up after SECS seconds\n" |
bdcc5925 BP |
381 | " --sort[=field] sort in ascending order\n" |
382 | " --rsort[=field] sort in descending order\n" | |
19945013 | 383 | " --unixctl=SOCKET set control socket name\n" |
064af421 BP |
384 | " -h, --help display this help message\n" |
385 | " -V, --version display version information\n"); | |
386 | exit(EXIT_SUCCESS); | |
387 | } | |
388 | ||
1eb85ef5 EJ |
389 | static void |
390 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
391 | const char *argv[] OVS_UNUSED, void *exiting_) | |
392 | { | |
393 | bool *exiting = exiting_; | |
394 | *exiting = true; | |
bde9f75d | 395 | unixctl_command_reply(conn, NULL); |
1eb85ef5 EJ |
396 | } |
397 | ||
064af421 | 398 | static void run(int retval, const char *message, ...) |
cab50449 | 399 | OVS_PRINTF_FORMAT(2, 3); |
064af421 | 400 | |
473f65a2 BP |
401 | static void |
402 | run(int retval, const char *message, ...) | |
064af421 BP |
403 | { |
404 | if (retval) { | |
405 | va_list args; | |
406 | ||
064af421 | 407 | va_start(args, message); |
fcaddd4d | 408 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
409 | } |
410 | } | |
411 | \f | |
412 | /* Generic commands. */ | |
413 | ||
c3f25389 | 414 | static int |
1a6f1e2a JG |
415 | open_vconn_socket(const char *name, struct vconn **vconnp) |
416 | { | |
417 | char *vconn_name = xasprintf("unix:%s", name); | |
c3f25389 EJ |
418 | int error; |
419 | ||
82c8c53c BP |
420 | error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT, |
421 | vconnp); | |
c3f25389 EJ |
422 | if (error && error != ENOENT) { |
423 | ovs_fatal(0, "%s: failed to open socket (%s)", name, | |
10a89ef0 | 424 | ovs_strerror(error)); |
c3f25389 | 425 | } |
1a6f1e2a | 426 | free(vconn_name); |
c3f25389 EJ |
427 | |
428 | return error; | |
1a6f1e2a JG |
429 | } |
430 | ||
4766ce7a BP |
431 | enum open_target { MGMT, SNOOP }; |
432 | ||
27527aa0 | 433 | static enum ofputil_protocol |
4766ce7a | 434 | open_vconn__(const char *name, enum open_target target, |
0caf6bde | 435 | struct vconn **vconnp) |
064af421 | 436 | { |
4766ce7a | 437 | const char *suffix = target == MGMT ? "mgmt" : "snoop"; |
63d347ce | 438 | char *datapath_name, *datapath_type, *socket_name; |
27527aa0 | 439 | enum ofputil_protocol protocol; |
63d347ce | 440 | char *bridge_path; |
27527aa0 | 441 | int ofp_version; |
c3f25389 | 442 | int error; |
1a6f1e2a | 443 | |
4766ce7a | 444 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix); |
63d347ce BP |
445 | |
446 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
4766ce7a | 447 | socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix); |
63d347ce BP |
448 | free(datapath_name); |
449 | free(datapath_type); | |
064af421 | 450 | |
3a27375e | 451 | if (strchr(name, ':')) { |
539b741f | 452 | run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp), |
a53a8efa | 453 | "connecting to %s", name); |
c3f25389 EJ |
454 | } else if (!open_vconn_socket(name, vconnp)) { |
455 | /* Fall Through. */ | |
456 | } else if (!open_vconn_socket(bridge_path, vconnp)) { | |
457 | /* Fall Through. */ | |
458 | } else if (!open_vconn_socket(socket_name, vconnp)) { | |
459 | /* Fall Through. */ | |
064af421 | 460 | } else { |
2c0e6eb4 | 461 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 462 | } |
1a6f1e2a | 463 | |
4766ce7a BP |
464 | if (target == SNOOP) { |
465 | vconn_set_recv_any_version(*vconnp); | |
466 | } | |
467 | ||
1a6f1e2a | 468 | free(bridge_path); |
63d347ce | 469 | free(socket_name); |
27527aa0 | 470 | |
c3f25389 EJ |
471 | VLOG_DBG("connecting to %s", vconn_get_name(*vconnp)); |
472 | error = vconn_connect_block(*vconnp); | |
473 | if (error) { | |
474 | ovs_fatal(0, "%s: failed to connect to socket (%s)", name, | |
10a89ef0 | 475 | ovs_strerror(error)); |
c3f25389 EJ |
476 | } |
477 | ||
27527aa0 BP |
478 | ofp_version = vconn_get_version(*vconnp); |
479 | protocol = ofputil_protocol_from_ofp_version(ofp_version); | |
480 | if (!protocol) { | |
481 | ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x", | |
482 | name, ofp_version); | |
483 | } | |
484 | return protocol; | |
064af421 BP |
485 | } |
486 | ||
27527aa0 | 487 | static enum ofputil_protocol |
0caf6bde BP |
488 | open_vconn(const char *name, struct vconn **vconnp) |
489 | { | |
4766ce7a | 490 | return open_vconn__(name, MGMT, vconnp); |
0caf6bde BP |
491 | } |
492 | ||
064af421 BP |
493 | static void |
494 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
495 | { | |
982697a4 | 496 | ofpmsg_update_length(buffer); |
064af421 BP |
497 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); |
498 | } | |
499 | ||
500 | static void | |
a53a8efa | 501 | dump_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 502 | { |
064af421 BP |
503 | struct ofpbuf *reply; |
504 | ||
982697a4 | 505 | ofpmsg_update_length(request); |
a53a8efa SH |
506 | run(vconn_transact(vconn, request, &reply), "talking to %s", |
507 | vconn_get_name(vconn)); | |
6fd6ed71 | 508 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
e49190c4 | 509 | ofpbuf_delete(reply); |
064af421 BP |
510 | } |
511 | ||
512 | static void | |
982697a4 | 513 | dump_trivial_transaction(const char *vconn_name, enum ofpraw raw) |
064af421 BP |
514 | { |
515 | struct ofpbuf *request; | |
a53a8efa SH |
516 | struct vconn *vconn; |
517 | ||
518 | open_vconn(vconn_name, &vconn); | |
519 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); | |
520 | dump_transaction(vconn, request); | |
521 | vconn_close(vconn); | |
064af421 BP |
522 | } |
523 | ||
524 | static void | |
53514387 | 525 | dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 526 | { |
6fd6ed71 | 527 | const struct ofp_header *request_oh = request->data; |
982697a4 BP |
528 | ovs_be32 send_xid = request_oh->xid; |
529 | enum ofpraw request_raw; | |
530 | enum ofpraw reply_raw; | |
064af421 BP |
531 | bool done = false; |
532 | ||
6fd6ed71 | 533 | ofpraw_decode_partial(&request_raw, request->data, request->size); |
982697a4 BP |
534 | reply_raw = ofpraw_stats_request_to_reply(request_raw, |
535 | request_oh->version); | |
536 | ||
064af421 BP |
537 | send_openflow_buffer(vconn, request); |
538 | while (!done) { | |
02833365 | 539 | ovs_be32 recv_xid; |
064af421 BP |
540 | struct ofpbuf *reply; |
541 | ||
542 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
6fd6ed71 | 543 | recv_xid = ((struct ofp_header *) reply->data)->xid; |
064af421 | 544 | if (send_xid == recv_xid) { |
982697a4 | 545 | enum ofpraw raw; |
064af421 | 546 | |
6fd6ed71 | 547 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 548 | |
6fd6ed71 | 549 | ofpraw_decode(&raw, reply->data); |
982697a4 | 550 | if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) { |
a76150b1 | 551 | done = true; |
982697a4 | 552 | } else if (raw == reply_raw) { |
6fd6ed71 | 553 | done = !ofpmp_more(reply->data); |
a76150b1 BP |
554 | } else { |
555 | ovs_fatal(0, "received bad reply: %s", | |
6fd6ed71 | 556 | ofp_to_string(reply->data, reply->size, |
a76150b1 BP |
557 | verbosity + 1)); |
558 | } | |
064af421 BP |
559 | } else { |
560 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
561 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
562 | } | |
563 | ofpbuf_delete(reply); | |
564 | } | |
9abfe557 BP |
565 | } |
566 | ||
567 | static void | |
53514387 | 568 | dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw) |
9abfe557 | 569 | { |
53514387 | 570 | struct ofpbuf *request; |
9abfe557 BP |
571 | struct vconn *vconn; |
572 | ||
573 | open_vconn(vconn_name, &vconn); | |
53514387 SH |
574 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); |
575 | dump_stats_transaction(vconn, request); | |
064af421 BP |
576 | vconn_close(vconn); |
577 | } | |
578 | ||
a8eebd48 BP |
579 | /* Sends all of the 'requests', which should be requests that only have replies |
580 | * if an error occurs, and waits for them to succeed or fail. If an error does | |
581 | * occur, prints it and exits with an error. | |
7257b535 BP |
582 | * |
583 | * Destroys all of the 'requests'. */ | |
d12513f7 | 584 | static void |
ca6ba700 | 585 | transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests) |
d12513f7 | 586 | { |
88ca35ee | 587 | struct ofpbuf *request, *reply; |
d12513f7 | 588 | |
88ca35ee | 589 | LIST_FOR_EACH (request, list_node, requests) { |
982697a4 | 590 | ofpmsg_update_length(request); |
88ca35ee BP |
591 | } |
592 | ||
593 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
594 | "talking to %s", vconn_get_name(vconn)); |
595 | if (reply) { | |
6fd6ed71 | 596 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
597 | exit(1); |
598 | } | |
599 | ofpbuf_delete(reply); | |
600 | } | |
601 | ||
88ca35ee BP |
602 | /* Sends 'request', which should be a request that only has a reply if an error |
603 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
604 | * it and exits with an error. |
605 | * | |
606 | * Destroys 'request'. */ | |
88ca35ee BP |
607 | static void |
608 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
609 | { | |
ca6ba700 | 610 | struct ovs_list requests; |
88ca35ee BP |
611 | |
612 | list_init(&requests); | |
613 | list_push_back(&requests, &request->list_node); | |
614 | transact_multiple_noreply(vconn, &requests); | |
615 | } | |
616 | ||
7257b535 BP |
617 | static void |
618 | fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
619 | { | |
620 | struct ofp_switch_config *config; | |
7257b535 BP |
621 | struct ofpbuf *request; |
622 | struct ofpbuf *reply; | |
982697a4 | 623 | enum ofptype type; |
7257b535 | 624 | |
a53a8efa SH |
625 | request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST, |
626 | vconn_get_version(vconn), 0); | |
7257b535 BP |
627 | run(vconn_transact(vconn, request, &reply), |
628 | "talking to %s", vconn_get_name(vconn)); | |
629 | ||
982697a4 | 630 | if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) { |
7257b535 BP |
631 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); |
632 | } | |
633 | ||
982697a4 | 634 | config = ofpbuf_pull(reply, sizeof *config); |
7257b535 | 635 | *config_ = *config; |
828c72d0 BP |
636 | |
637 | ofpbuf_delete(reply); | |
7257b535 BP |
638 | } |
639 | ||
640 | static void | |
982697a4 | 641 | set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config) |
7257b535 | 642 | { |
7257b535 BP |
643 | struct ofpbuf *request; |
644 | ||
a53a8efa | 645 | request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0); |
982697a4 | 646 | ofpbuf_put(request, config, sizeof *config); |
7257b535 BP |
647 | |
648 | transact_noreply(vconn, request); | |
649 | } | |
650 | ||
064af421 | 651 | static void |
e1fef0f9 | 652 | ofctl_show(int argc OVS_UNUSED, char *argv[]) |
064af421 | 653 | { |
ae0e7009 | 654 | const char *vconn_name = argv[1]; |
fca6d553 | 655 | enum ofp_version version; |
ae0e7009 JP |
656 | struct vconn *vconn; |
657 | struct ofpbuf *request; | |
658 | struct ofpbuf *reply; | |
fca6d553 | 659 | bool has_ports; |
ae0e7009 | 660 | |
ae0e7009 | 661 | open_vconn(vconn_name, &vconn); |
fca6d553 BP |
662 | version = vconn_get_version(vconn); |
663 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0); | |
ae0e7009 JP |
664 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); |
665 | ||
fca6d553 | 666 | has_ports = ofputil_switch_features_has_ports(reply); |
6fd6ed71 | 667 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
ae0e7009 | 668 | ofpbuf_delete(reply); |
ae0e7009 | 669 | |
fca6d553 | 670 | if (!has_ports) { |
70ae4f93 | 671 | request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY); |
fca6d553 | 672 | dump_stats_transaction(vconn, request); |
ae0e7009 | 673 | } |
982697a4 | 674 | dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST); |
a53a8efa | 675 | vconn_close(vconn); |
064af421 BP |
676 | } |
677 | ||
064af421 | 678 | static void |
e1fef0f9 | 679 | ofctl_dump_desc(int argc OVS_UNUSED, char *argv[]) |
064af421 | 680 | { |
982697a4 | 681 | dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_DESC_REQUEST); |
064af421 BP |
682 | } |
683 | ||
684 | static void | |
e1fef0f9 | 685 | ofctl_dump_tables(int argc OVS_UNUSED, char *argv[]) |
064af421 | 686 | { |
982697a4 | 687 | dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_TABLE_REQUEST); |
064af421 BP |
688 | } |
689 | ||
5deff5aa AW |
690 | static void |
691 | ofctl_dump_table_features(int argc OVS_UNUSED, char *argv[]) | |
692 | { | |
693 | struct ofpbuf *request; | |
694 | struct vconn *vconn; | |
695 | ||
696 | open_vconn(argv[1], &vconn); | |
697 | request = ofputil_encode_table_features_request(vconn_get_version(vconn)); | |
698 | if (request) { | |
699 | dump_stats_transaction(vconn, request); | |
700 | } | |
701 | ||
702 | vconn_close(vconn); | |
703 | } | |
704 | ||
fca6d553 BP |
705 | static bool fetch_port_by_stats(struct vconn *, |
706 | const char *port_name, ofp_port_t port_no, | |
707 | struct ofputil_phy_port *); | |
708 | ||
709 | /* Uses OFPT_FEATURES_REQUEST to attempt to fetch information about the port | |
710 | * named 'port_name' or numbered 'port_no' into '*pp'. Returns true if | |
711 | * successful, false on failure. | |
712 | * | |
713 | * This is only appropriate for OpenFlow 1.0, 1.1, and 1.2, which include a | |
714 | * list of ports in OFPT_FEATURES_REPLY. */ | |
da91750f | 715 | static bool |
fca6d553 | 716 | fetch_port_by_features(struct vconn *vconn, |
4e022ec0 | 717 | const char *port_name, ofp_port_t port_no, |
fca6d553 | 718 | struct ofputil_phy_port *pp) |
abaad8cf | 719 | { |
9e1fd49b | 720 | struct ofputil_switch_features features; |
982697a4 | 721 | const struct ofp_header *oh; |
abaad8cf | 722 | struct ofpbuf *request, *reply; |
9e1fd49b | 723 | enum ofperr error; |
982697a4 | 724 | enum ofptype type; |
9e1fd49b | 725 | struct ofpbuf b; |
da91750f | 726 | bool found = false; |
abaad8cf | 727 | |
0df0e81d | 728 | /* Fetch the switch's ofp_switch_features. */ |
a53a8efa SH |
729 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, |
730 | vconn_get_version(vconn), 0); | |
fca6d553 BP |
731 | run(vconn_transact(vconn, request, &reply), |
732 | "talking to %s", vconn_get_name(vconn)); | |
abaad8cf | 733 | |
6fd6ed71 PS |
734 | oh = reply->data; |
735 | if (ofptype_decode(&type, reply->data) | |
982697a4 | 736 | || type != OFPTYPE_FEATURES_REPLY) { |
fca6d553 | 737 | ovs_fatal(0, "%s: received bad features reply", vconn_get_name(vconn)); |
0df0e81d | 738 | } |
fca6d553 BP |
739 | if (!ofputil_switch_features_has_ports(reply)) { |
740 | /* The switch features reply does not contain a complete list of ports. | |
741 | * Probably, there are more ports than will fit into a single 64 kB | |
742 | * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of | |
743 | * ports. */ | |
744 | ofpbuf_delete(reply); | |
745 | return fetch_port_by_stats(vconn, port_name, port_no, pp); | |
da91750f JP |
746 | } |
747 | ||
982697a4 | 748 | error = ofputil_decode_switch_features(oh, &features, &b); |
9e1fd49b BP |
749 | if (error) { |
750 | ovs_fatal(0, "%s: failed to decode features reply (%s)", | |
fca6d553 | 751 | vconn_get_name(vconn), ofperr_to_string(error)); |
9e1fd49b | 752 | } |
0df0e81d | 753 | |
982697a4 | 754 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 | 755 | if (port_no != OFPP_NONE |
9e1fd49b BP |
756 | ? port_no == pp->port_no |
757 | : !strcmp(pp->name, port_name)) { | |
da91750f | 758 | found = true; |
fca6d553 | 759 | break; |
abaad8cf JP |
760 | } |
761 | } | |
da91750f JP |
762 | ofpbuf_delete(reply); |
763 | return found; | |
764 | } | |
765 | ||
fca6d553 BP |
766 | /* Uses a OFPST_PORT_DESC request to attempt to fetch information about the |
767 | * port named 'port_name' or numbered 'port_no' into '*pp'. Returns true if | |
768 | * successful, false on failure. | |
769 | * | |
770 | * This is most appropriate for OpenFlow 1.3 and later. Open vSwitch 1.7 and | |
771 | * later also implements OFPST_PORT_DESC, as an extension, for OpenFlow 1.0, | |
772 | * 1.1, and 1.2, so this can be used as a fallback in those versions when there | |
773 | * are too many ports than fit in an OFPT_FEATURES_REPLY. */ | |
da91750f | 774 | static bool |
fca6d553 | 775 | fetch_port_by_stats(struct vconn *vconn, |
4e022ec0 | 776 | const char *port_name, ofp_port_t port_no, |
da91750f JP |
777 | struct ofputil_phy_port *pp) |
778 | { | |
779 | struct ofpbuf *request; | |
da91750f | 780 | ovs_be32 send_xid; |
da91750f JP |
781 | bool done = false; |
782 | bool found = false; | |
783 | ||
70ae4f93 BP |
784 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), |
785 | port_no); | |
6fd6ed71 | 786 | send_xid = ((struct ofp_header *) request->data)->xid; |
da91750f | 787 | |
da91750f JP |
788 | send_openflow_buffer(vconn, request); |
789 | while (!done) { | |
790 | ovs_be32 recv_xid; | |
791 | struct ofpbuf *reply; | |
792 | ||
793 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
6fd6ed71 | 794 | recv_xid = ((struct ofp_header *) reply->data)->xid; |
da91750f | 795 | if (send_xid == recv_xid) { |
6fd6ed71 | 796 | struct ofp_header *oh = reply->data; |
982697a4 BP |
797 | enum ofptype type; |
798 | struct ofpbuf b; | |
799 | uint16_t flags; | |
800 | ||
801 | ofpbuf_use_const(&b, oh, ntohs(oh->length)); | |
802 | if (ofptype_pull(&type, &b) | |
803 | || type != OFPTYPE_PORT_DESC_STATS_REPLY) { | |
da91750f | 804 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 805 | ofp_to_string(reply->data, reply->size, |
da91750f JP |
806 | verbosity + 1)); |
807 | } | |
808 | ||
982697a4 BP |
809 | flags = ofpmp_flags(oh); |
810 | done = !(flags & OFPSF_REPLY_MORE); | |
da91750f JP |
811 | |
812 | if (found) { | |
813 | /* We've already found the port, but we need to drain | |
814 | * the queue of any other replies for this request. */ | |
815 | continue; | |
816 | } | |
817 | ||
982697a4 | 818 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 AW |
819 | if (port_no != OFPP_NONE ? port_no == pp->port_no |
820 | : !strcmp(pp->name, port_name)) { | |
da91750f JP |
821 | found = true; |
822 | break; | |
823 | } | |
824 | } | |
825 | } else { | |
826 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
827 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
828 | } | |
829 | ofpbuf_delete(reply); | |
830 | } | |
da91750f JP |
831 | |
832 | return found; | |
833 | } | |
834 | ||
4e022ec0 AW |
835 | static bool |
836 | str_to_ofp(const char *s, ofp_port_t *ofp_port) | |
837 | { | |
838 | bool ret; | |
839 | uint32_t port_; | |
840 | ||
841 | ret = str_to_uint(s, 10, &port_); | |
842 | *ofp_port = u16_to_ofp(port_); | |
843 | return ret; | |
844 | } | |
da91750f JP |
845 | |
846 | /* Opens a connection to 'vconn_name', fetches the port structure for | |
847 | * 'port_name' (which may be a port name or number), and copies it into | |
848 | * '*pp'. */ | |
849 | static void | |
850 | fetch_ofputil_phy_port(const char *vconn_name, const char *port_name, | |
851 | struct ofputil_phy_port *pp) | |
852 | { | |
fca6d553 | 853 | struct vconn *vconn; |
4e022ec0 | 854 | ofp_port_t port_no; |
da91750f | 855 | bool found; |
da91750f JP |
856 | |
857 | /* Try to interpret the argument as a port number. */ | |
4e022ec0 AW |
858 | if (!str_to_ofp(port_name, &port_no)) { |
859 | port_no = OFPP_NONE; | |
da91750f JP |
860 | } |
861 | ||
fca6d553 BP |
862 | /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the |
863 | * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it | |
864 | * into the OFPST_PORT_DESC reply. Try it the correct way. */ | |
865 | open_vconn(vconn_name, &vconn); | |
866 | found = (vconn_get_version(vconn) < OFP13_VERSION | |
867 | ? fetch_port_by_features(vconn, port_name, port_no, pp) | |
868 | : fetch_port_by_stats(vconn, port_name, port_no, pp)); | |
869 | vconn_close(vconn); | |
da91750f JP |
870 | |
871 | if (!found) { | |
872 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); | |
873 | } | |
0df0e81d | 874 | } |
abaad8cf | 875 | |
0df0e81d BP |
876 | /* Returns the port number corresponding to 'port_name' (which may be a port |
877 | * name or number) within the switch 'vconn_name'. */ | |
4e022ec0 | 878 | static ofp_port_t |
0df0e81d BP |
879 | str_to_port_no(const char *vconn_name, const char *port_name) |
880 | { | |
4e022ec0 | 881 | ofp_port_t port_no; |
8010100b BP |
882 | |
883 | if (ofputil_port_from_string(port_name, &port_no)) { | |
0df0e81d BP |
884 | return port_no; |
885 | } else { | |
9e1fd49b | 886 | struct ofputil_phy_port pp; |
abaad8cf | 887 | |
9e1fd49b BP |
888 | fetch_ofputil_phy_port(vconn_name, port_name, &pp); |
889 | return pp.port_no; | |
0df0e81d | 890 | } |
abaad8cf JP |
891 | } |
892 | ||
88ca35ee | 893 | static bool |
27527aa0 BP |
894 | try_set_protocol(struct vconn *vconn, enum ofputil_protocol want, |
895 | enum ofputil_protocol *cur) | |
88ca35ee | 896 | { |
27527aa0 BP |
897 | for (;;) { |
898 | struct ofpbuf *request, *reply; | |
899 | enum ofputil_protocol next; | |
88ca35ee | 900 | |
27527aa0 BP |
901 | request = ofputil_encode_set_protocol(*cur, want, &next); |
902 | if (!request) { | |
e43928f2 | 903 | return *cur == want; |
27527aa0 BP |
904 | } |
905 | ||
906 | run(vconn_transact_noreply(vconn, request, &reply), | |
907 | "talking to %s", vconn_get_name(vconn)); | |
908 | if (reply) { | |
6fd6ed71 | 909 | char *s = ofp_to_string(reply->data, reply->size, 2); |
27527aa0 BP |
910 | VLOG_DBG("%s: failed to set protocol, switch replied: %s", |
911 | vconn_get_name(vconn), s); | |
912 | free(s); | |
913 | ofpbuf_delete(reply); | |
914 | return false; | |
915 | } | |
916 | ||
917 | *cur = next; | |
88ca35ee | 918 | } |
88ca35ee BP |
919 | } |
920 | ||
27527aa0 BP |
921 | static enum ofputil_protocol |
922 | set_protocol_for_flow_dump(struct vconn *vconn, | |
923 | enum ofputil_protocol cur_protocol, | |
924 | enum ofputil_protocol usable_protocols) | |
064af421 | 925 | { |
27527aa0 BP |
926 | char *usable_s; |
927 | int i; | |
064af421 | 928 | |
27527aa0 BP |
929 | for (i = 0; i < ofputil_n_flow_dump_protocols; i++) { |
930 | enum ofputil_protocol f = ofputil_flow_dump_protocols[i]; | |
931 | if (f & usable_protocols & allowed_protocols | |
932 | && try_set_protocol(vconn, f, &cur_protocol)) { | |
933 | return f; | |
f9cbfbe4 | 934 | } |
27527aa0 | 935 | } |
f9cbfbe4 | 936 | |
27527aa0 BP |
937 | usable_s = ofputil_protocols_to_string(usable_protocols); |
938 | if (usable_protocols & allowed_protocols) { | |
939 | ovs_fatal(0, "switch does not support any of the usable flow " | |
940 | "formats (%s)", usable_s); | |
f9cbfbe4 | 941 | } else { |
27527aa0 BP |
942 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); |
943 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
944 | "allowed flow formats (%s)", usable_s, allowed_s); | |
88ca35ee | 945 | } |
064af421 BP |
946 | } |
947 | ||
bdcc5925 BP |
948 | static struct vconn * |
949 | prepare_dump_flows(int argc, char *argv[], bool aggregate, | |
950 | struct ofpbuf **requestp) | |
064af421 | 951 | { |
27527aa0 | 952 | enum ofputil_protocol usable_protocols, protocol; |
81d1ea94 | 953 | struct ofputil_flow_stats_request fsr; |
88ca35ee | 954 | struct vconn *vconn; |
bdda5aca BP |
955 | char *error; |
956 | ||
957 | error = parse_ofp_flow_stats_request_str(&fsr, aggregate, | |
db0b6c29 | 958 | argc > 2 ? argv[2] : "", |
ba2fe8e9 | 959 | &usable_protocols); |
bdda5aca BP |
960 | if (error) { |
961 | ovs_fatal(0, "%s", error); | |
962 | } | |
064af421 | 963 | |
27527aa0 BP |
964 | protocol = open_vconn(argv[1], &vconn); |
965 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
bdcc5925 BP |
966 | *requestp = ofputil_encode_flow_stats_request(&fsr, protocol); |
967 | return vconn; | |
968 | } | |
969 | ||
970 | static void | |
971 | ofctl_dump_flows__(int argc, char *argv[], bool aggregate) | |
972 | { | |
973 | struct ofpbuf *request; | |
974 | struct vconn *vconn; | |
975 | ||
976 | vconn = prepare_dump_flows(argc, argv, aggregate, &request); | |
53514387 | 977 | dump_stats_transaction(vconn, request); |
88ca35ee BP |
978 | vconn_close(vconn); |
979 | } | |
980 | ||
bdcc5925 BP |
981 | static int |
982 | compare_flows(const void *afs_, const void *bfs_) | |
983 | { | |
984 | const struct ofputil_flow_stats *afs = afs_; | |
985 | const struct ofputil_flow_stats *bfs = bfs_; | |
81a76618 BP |
986 | const struct match *a = &afs->match; |
987 | const struct match *b = &bfs->match; | |
bdcc5925 BP |
988 | const struct sort_criterion *sc; |
989 | ||
990 | for (sc = criteria; sc < &criteria[n_criteria]; sc++) { | |
991 | const struct mf_field *f = sc->field; | |
992 | int ret; | |
993 | ||
994 | if (!f) { | |
eb391b76 BP |
995 | int a_pri = afs->priority; |
996 | int b_pri = bfs->priority; | |
81a76618 | 997 | ret = a_pri < b_pri ? -1 : a_pri > b_pri; |
bdcc5925 BP |
998 | } else { |
999 | bool ina, inb; | |
1000 | ||
1001 | ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc); | |
1002 | inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc); | |
1003 | if (ina != inb) { | |
1004 | /* Skip the test for sc->order, so that missing fields always | |
1005 | * sort to the end whether we're sorting in ascending or | |
1006 | * descending order. */ | |
1007 | return ina ? -1 : 1; | |
1008 | } else { | |
1009 | union mf_value aval, bval; | |
1010 | ||
1011 | mf_get_value(f, &a->flow, &aval); | |
1012 | mf_get_value(f, &b->flow, &bval); | |
1013 | ret = memcmp(&aval, &bval, f->n_bytes); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | if (ret) { | |
1018 | return sc->order == SORT_ASC ? ret : -ret; | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | return 0; | |
1023 | } | |
1024 | ||
88ca35ee | 1025 | static void |
e1fef0f9 | 1026 | ofctl_dump_flows(int argc, char *argv[]) |
88ca35ee | 1027 | { |
bdcc5925 | 1028 | if (!n_criteria) { |
2f4aba0b GS |
1029 | ofctl_dump_flows__(argc, argv, false); |
1030 | return; | |
bdcc5925 BP |
1031 | } else { |
1032 | struct ofputil_flow_stats *fses; | |
1033 | size_t n_fses, allocated_fses; | |
1034 | struct ofpbuf *request; | |
1035 | struct ofpbuf ofpacts; | |
1036 | struct ofpbuf *reply; | |
1037 | struct vconn *vconn; | |
1038 | ovs_be32 send_xid; | |
1039 | struct ds s; | |
1040 | size_t i; | |
1041 | ||
1042 | vconn = prepare_dump_flows(argc, argv, false, &request); | |
6fd6ed71 | 1043 | send_xid = ((struct ofp_header *) request->data)->xid; |
bdcc5925 BP |
1044 | send_openflow_buffer(vconn, request); |
1045 | ||
1046 | fses = NULL; | |
1047 | n_fses = allocated_fses = 0; | |
1048 | reply = NULL; | |
1049 | ofpbuf_init(&ofpacts, 0); | |
1050 | for (;;) { | |
1051 | struct ofputil_flow_stats *fs; | |
1052 | ||
1053 | if (n_fses >= allocated_fses) { | |
1054 | fses = x2nrealloc(fses, &allocated_fses, sizeof *fses); | |
1055 | } | |
1056 | ||
1057 | fs = &fses[n_fses]; | |
1058 | if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs, | |
1059 | &ofpacts)) { | |
1060 | break; | |
1061 | } | |
1062 | fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len); | |
1063 | n_fses++; | |
1064 | } | |
1065 | ofpbuf_uninit(&ofpacts); | |
1066 | ||
1067 | qsort(fses, n_fses, sizeof *fses, compare_flows); | |
1068 | ||
1069 | ds_init(&s); | |
1070 | for (i = 0; i < n_fses; i++) { | |
1071 | ds_clear(&s); | |
1072 | ofp_print_flow_stats(&s, &fses[i]); | |
1073 | puts(ds_cstr(&s)); | |
1074 | } | |
1075 | ds_destroy(&s); | |
1076 | ||
1077 | for (i = 0; i < n_fses; i++) { | |
dc723c44 | 1078 | free(CONST_CAST(struct ofpact *, fses[i].ofpacts)); |
bdcc5925 BP |
1079 | } |
1080 | free(fses); | |
1081 | ||
1082 | vconn_close(vconn); | |
1083 | } | |
88ca35ee BP |
1084 | } |
1085 | ||
1086 | static void | |
e1fef0f9 | 1087 | ofctl_dump_aggregate(int argc, char *argv[]) |
88ca35ee | 1088 | { |
2f4aba0b | 1089 | ofctl_dump_flows__(argc, argv, true); |
064af421 BP |
1090 | } |
1091 | ||
d2805da2 | 1092 | static void |
e1fef0f9 | 1093 | ofctl_queue_stats(int argc, char *argv[]) |
d2805da2 | 1094 | { |
d2805da2 | 1095 | struct ofpbuf *request; |
53514387 | 1096 | struct vconn *vconn; |
64626975 | 1097 | struct ofputil_queue_stats_request oqs; |
d2805da2 | 1098 | |
53514387 | 1099 | open_vconn(argv[1], &vconn); |
d2805da2 BP |
1100 | |
1101 | if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) { | |
64626975 | 1102 | oqs.port_no = str_to_port_no(argv[1], argv[2]); |
d2805da2 | 1103 | } else { |
7f05e7ab | 1104 | oqs.port_no = OFPP_ANY; |
d2805da2 BP |
1105 | } |
1106 | if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) { | |
64626975 | 1107 | oqs.queue_id = atoi(argv[3]); |
d2805da2 | 1108 | } else { |
64626975 | 1109 | oqs.queue_id = OFPQ_ALL; |
d2805da2 BP |
1110 | } |
1111 | ||
64626975 | 1112 | request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs); |
53514387 SH |
1113 | dump_stats_transaction(vconn, request); |
1114 | vconn_close(vconn); | |
d2805da2 BP |
1115 | } |
1116 | ||
e8f9a7bb VG |
1117 | static void |
1118 | ofctl_queue_get_config(int argc OVS_UNUSED, char *argv[]) | |
1119 | { | |
1120 | const char *vconn_name = argv[1]; | |
1121 | const char *port_name = argv[2]; | |
1122 | enum ofputil_protocol protocol; | |
1123 | enum ofp_version version; | |
1124 | struct ofpbuf *request; | |
1125 | struct vconn *vconn; | |
1126 | ofp_port_t port; | |
1127 | ||
1128 | port = str_to_port_no(vconn_name, port_name); | |
1129 | ||
1130 | protocol = open_vconn(vconn_name, &vconn); | |
1131 | version = ofputil_protocol_to_ofp_version(protocol); | |
1132 | request = ofputil_encode_queue_get_config_request(version, port); | |
1133 | dump_transaction(vconn, request); | |
1134 | vconn_close(vconn); | |
1135 | } | |
1136 | ||
27527aa0 | 1137 | static enum ofputil_protocol |
db0b6c29 JR |
1138 | open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp, |
1139 | enum ofputil_protocol usable_protocols) | |
0fbc9f11 | 1140 | { |
27527aa0 BP |
1141 | enum ofputil_protocol cur_protocol; |
1142 | char *usable_s; | |
1143 | int i; | |
0fbc9f11 | 1144 | |
27527aa0 BP |
1145 | if (!(usable_protocols & allowed_protocols)) { |
1146 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); | |
1147 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1148 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1149 | "allowed flow formats (%s)", usable_s, allowed_s); | |
0fbc9f11 | 1150 | } |
0fbc9f11 | 1151 | |
27527aa0 BP |
1152 | /* If the initial flow format is allowed and usable, keep it. */ |
1153 | cur_protocol = open_vconn(remote, vconnp); | |
1154 | if (usable_protocols & allowed_protocols & cur_protocol) { | |
1155 | return cur_protocol; | |
1156 | } | |
1157 | ||
1158 | /* Otherwise try each flow format in turn. */ | |
1159 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1160 | enum ofputil_protocol f = 1 << i; | |
1161 | ||
1162 | if (f != cur_protocol | |
1163 | && f & usable_protocols & allowed_protocols | |
1164 | && try_set_protocol(*vconnp, f, &cur_protocol)) { | |
1165 | return f; | |
1166 | } | |
0fbc9f11 | 1167 | } |
27527aa0 BP |
1168 | |
1169 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1170 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1171 | "formats (%s)", usable_s); | |
0fbc9f11 BP |
1172 | } |
1173 | ||
064af421 | 1174 | static void |
e1fef0f9 | 1175 | ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, |
db0b6c29 | 1176 | size_t n_fms, enum ofputil_protocol usable_protocols) |
064af421 | 1177 | { |
27527aa0 | 1178 | enum ofputil_protocol protocol; |
064af421 | 1179 | struct vconn *vconn; |
27527aa0 | 1180 | size_t i; |
4989c59f | 1181 | |
db0b6c29 | 1182 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
049c8dc2 | 1183 | |
27527aa0 BP |
1184 | for (i = 0; i < n_fms; i++) { |
1185 | struct ofputil_flow_mod *fm = &fms[i]; | |
0fbc9f11 | 1186 | |
27527aa0 | 1187 | transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol)); |
dc723c44 | 1188 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
4989c59f | 1189 | } |
064af421 | 1190 | vconn_close(vconn); |
88ca35ee BP |
1191 | } |
1192 | ||
064af421 | 1193 | static void |
e1fef0f9 | 1194 | ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) |
064af421 | 1195 | { |
db0b6c29 | 1196 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
1197 | struct ofputil_flow_mod *fms = NULL; |
1198 | size_t n_fms = 0; | |
bdda5aca | 1199 | char *error; |
064af421 | 1200 | |
db0b6c29 | 1201 | error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms, |
ba2fe8e9 | 1202 | &usable_protocols); |
bdda5aca BP |
1203 | if (error) { |
1204 | ovs_fatal(0, "%s", error); | |
1205 | } | |
db0b6c29 | 1206 | ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols); |
27527aa0 BP |
1207 | free(fms); |
1208 | } | |
1209 | ||
1210 | static void | |
e1fef0f9 | 1211 | ofctl_flow_mod(int argc, char *argv[], uint16_t command) |
27527aa0 | 1212 | { |
4989c59f | 1213 | if (argc > 2 && !strcmp(argv[2], "-")) { |
e1fef0f9 | 1214 | ofctl_flow_mod_file(argc, argv, command); |
27527aa0 BP |
1215 | } else { |
1216 | struct ofputil_flow_mod fm; | |
bdda5aca | 1217 | char *error; |
3200ed58 | 1218 | enum ofputil_protocol usable_protocols; |
bdda5aca | 1219 | |
db0b6c29 | 1220 | error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, |
ba2fe8e9 | 1221 | &usable_protocols); |
bdda5aca BP |
1222 | if (error) { |
1223 | ovs_fatal(0, "%s", error); | |
1224 | } | |
db0b6c29 | 1225 | ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols); |
064af421 | 1226 | } |
4989c59f | 1227 | } |
88ca35ee | 1228 | |
4989c59f | 1229 | static void |
e1fef0f9 | 1230 | ofctl_add_flow(int argc, char *argv[]) |
4989c59f | 1231 | { |
e1fef0f9 | 1232 | ofctl_flow_mod(argc, argv, OFPFC_ADD); |
4989c59f BP |
1233 | } |
1234 | ||
1235 | static void | |
e1fef0f9 | 1236 | ofctl_add_flows(int argc, char *argv[]) |
4989c59f | 1237 | { |
e1fef0f9 | 1238 | ofctl_flow_mod_file(argc, argv, OFPFC_ADD); |
064af421 BP |
1239 | } |
1240 | ||
1241 | static void | |
e1fef0f9 | 1242 | ofctl_mod_flows(int argc, char *argv[]) |
064af421 | 1243 | { |
e1fef0f9 | 1244 | ofctl_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
1245 | } |
1246 | ||
88ca35ee | 1247 | static void |
e1fef0f9 | 1248 | ofctl_del_flows(int argc, char *argv[]) |
064af421 | 1249 | { |
e1fef0f9 | 1250 | ofctl_flow_mod(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
1251 | } |
1252 | ||
54834960 EJ |
1253 | static void |
1254 | set_packet_in_format(struct vconn *vconn, | |
1255 | enum nx_packet_in_format packet_in_format) | |
1256 | { | |
3f4a1939 SH |
1257 | struct ofpbuf *spif; |
1258 | ||
1259 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1260 | packet_in_format); | |
54834960 EJ |
1261 | transact_noreply(vconn, spif); |
1262 | VLOG_DBG("%s: using user-specified packet in format %s", | |
1263 | vconn_get_name(vconn), | |
1264 | ofputil_packet_in_format_to_string(packet_in_format)); | |
1265 | } | |
1266 | ||
f0fd1a17 PS |
1267 | static int |
1268 | monitor_set_invalid_ttl_to_controller(struct vconn *vconn) | |
1269 | { | |
1270 | struct ofp_switch_config config; | |
1271 | enum ofp_config_flags flags; | |
1272 | ||
1273 | fetch_switch_config(vconn, &config); | |
1274 | flags = ntohs(config.flags); | |
1275 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1276 | /* Set the invalid ttl config. */ | |
1277 | flags |= OFPC_INVALID_TTL_TO_CONTROLLER; | |
1278 | ||
1279 | config.flags = htons(flags); | |
1280 | set_switch_config(vconn, &config); | |
1281 | ||
1282 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1283 | * doesn't define error reporting for bad modes, so this is all we can | |
1284 | * do. */ | |
1285 | fetch_switch_config(vconn, &config); | |
1286 | flags = ntohs(config.flags); | |
1287 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1288 | ovs_fatal(0, "setting invalid_ttl_to_controller failed (this " | |
1289 | "switch probably doesn't support mode)"); | |
1290 | return -EOPNOTSUPP; | |
1291 | } | |
1292 | } | |
1293 | return 0; | |
1294 | } | |
1295 | ||
96761f58 BP |
1296 | /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The |
1297 | * caller must free '*msgp'. On success, returns NULL. On failure, returns | |
1298 | * an error message and stores NULL in '*msgp'. */ | |
1299 | static const char * | |
1300 | openflow_from_hex(const char *hex, struct ofpbuf **msgp) | |
1301 | { | |
1302 | struct ofp_header *oh; | |
1303 | struct ofpbuf *msg; | |
1304 | ||
1305 | msg = ofpbuf_new(strlen(hex) / 2); | |
1306 | *msgp = NULL; | |
1307 | ||
1308 | if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') { | |
1309 | ofpbuf_delete(msg); | |
1310 | return "Trailing garbage in hex data"; | |
1311 | } | |
1312 | ||
6fd6ed71 | 1313 | if (msg->size < sizeof(struct ofp_header)) { |
96761f58 BP |
1314 | ofpbuf_delete(msg); |
1315 | return "Message too short for OpenFlow"; | |
1316 | } | |
1317 | ||
6fd6ed71 PS |
1318 | oh = msg->data; |
1319 | if (msg->size != ntohs(oh->length)) { | |
96761f58 BP |
1320 | ofpbuf_delete(msg); |
1321 | return "Message size does not match length in OpenFlow header"; | |
1322 | } | |
1323 | ||
1324 | *msgp = msg; | |
1325 | return NULL; | |
1326 | } | |
1327 | ||
1328 | static void | |
1329 | ofctl_send(struct unixctl_conn *conn, int argc, | |
1330 | const char *argv[], void *vconn_) | |
1331 | { | |
1332 | struct vconn *vconn = vconn_; | |
1333 | struct ds reply; | |
1334 | bool ok; | |
1335 | int i; | |
1336 | ||
1337 | ok = true; | |
1338 | ds_init(&reply); | |
1339 | for (i = 1; i < argc; i++) { | |
1340 | const char *error_msg; | |
1341 | struct ofpbuf *msg; | |
1342 | int error; | |
1343 | ||
1344 | error_msg = openflow_from_hex(argv[i], &msg); | |
1345 | if (error_msg) { | |
1346 | ds_put_format(&reply, "%s\n", error_msg); | |
1347 | ok = false; | |
1348 | continue; | |
1349 | } | |
1350 | ||
1351 | fprintf(stderr, "send: "); | |
6fd6ed71 | 1352 | ofp_print(stderr, msg->data, msg->size, verbosity); |
96761f58 BP |
1353 | |
1354 | error = vconn_send_block(vconn, msg); | |
1355 | if (error) { | |
1356 | ofpbuf_delete(msg); | |
10a89ef0 | 1357 | ds_put_format(&reply, "%s\n", ovs_strerror(error)); |
96761f58 BP |
1358 | ok = false; |
1359 | } else { | |
1360 | ds_put_cstr(&reply, "sent\n"); | |
1361 | } | |
1362 | } | |
bde9f75d EJ |
1363 | |
1364 | if (ok) { | |
1365 | unixctl_command_reply(conn, ds_cstr(&reply)); | |
1366 | } else { | |
1367 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
1368 | } | |
96761f58 BP |
1369 | ds_destroy(&reply); |
1370 | } | |
1371 | ||
bb638b9a BP |
1372 | struct barrier_aux { |
1373 | struct vconn *vconn; /* OpenFlow connection for sending barrier. */ | |
1374 | struct unixctl_conn *conn; /* Connection waiting for barrier response. */ | |
1375 | }; | |
1376 | ||
1377 | static void | |
1378 | ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1379 | const char *argv[] OVS_UNUSED, void *aux_) | |
1380 | { | |
1381 | struct barrier_aux *aux = aux_; | |
1382 | struct ofpbuf *msg; | |
1383 | int error; | |
1384 | ||
1385 | if (aux->conn) { | |
bde9f75d | 1386 | unixctl_command_reply_error(conn, "already waiting for barrier reply"); |
bb638b9a BP |
1387 | return; |
1388 | } | |
1389 | ||
a0ae0b6e | 1390 | msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn)); |
bb638b9a BP |
1391 | error = vconn_send_block(aux->vconn, msg); |
1392 | if (error) { | |
1393 | ofpbuf_delete(msg); | |
10a89ef0 | 1394 | unixctl_command_reply_error(conn, ovs_strerror(error)); |
bb638b9a BP |
1395 | } else { |
1396 | aux->conn = conn; | |
1397 | } | |
1398 | } | |
1399 | ||
1e1d00a5 BP |
1400 | static void |
1401 | ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1402 | const char *argv[], void *aux OVS_UNUSED) | |
1403 | { | |
1404 | int fd; | |
1405 | ||
1406 | fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666); | |
1407 | if (fd < 0) { | |
10a89ef0 | 1408 | unixctl_command_reply_error(conn, ovs_strerror(errno)); |
1e1d00a5 BP |
1409 | return; |
1410 | } | |
1411 | ||
1412 | fflush(stderr); | |
1413 | dup2(fd, STDERR_FILENO); | |
1414 | close(fd); | |
bde9f75d | 1415 | unixctl_command_reply(conn, NULL); |
1e1d00a5 BP |
1416 | } |
1417 | ||
2b07c8b1 BP |
1418 | static void |
1419 | ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1420 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1421 | { |
4f8f2439 | 1422 | bool *blocked = blocked_; |
2b07c8b1 | 1423 | |
4f8f2439 BP |
1424 | if (!*blocked) { |
1425 | *blocked = true; | |
1426 | unixctl_command_reply(conn, NULL); | |
1427 | } else { | |
2b07c8b1 | 1428 | unixctl_command_reply(conn, "already blocking"); |
2b07c8b1 BP |
1429 | } |
1430 | } | |
1431 | ||
1432 | static void | |
1433 | ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1434 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1435 | { |
4f8f2439 | 1436 | bool *blocked = blocked_; |
2b07c8b1 | 1437 | |
4f8f2439 BP |
1438 | if (*blocked) { |
1439 | *blocked = false; | |
2b07c8b1 | 1440 | unixctl_command_reply(conn, NULL); |
4f8f2439 BP |
1441 | } else { |
1442 | unixctl_command_reply(conn, "already unblocked"); | |
2b07c8b1 BP |
1443 | } |
1444 | } | |
1445 | ||
05f453a8 BP |
1446 | /* Prints to stdout all of the messages received on 'vconn'. |
1447 | * | |
1448 | * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request | |
1449 | * received on 'vconn'. */ | |
064af421 | 1450 | static void |
05f453a8 | 1451 | monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests) |
0caf6bde | 1452 | { |
bb638b9a | 1453 | struct barrier_aux barrier_aux = { vconn, NULL }; |
1eb85ef5 EJ |
1454 | struct unixctl_server *server; |
1455 | bool exiting = false; | |
4f8f2439 | 1456 | bool blocked = false; |
7d0c5973 | 1457 | int error; |
1eb85ef5 | 1458 | |
7d0c5973 | 1459 | daemon_save_fd(STDERR_FILENO); |
1eb85ef5 | 1460 | daemonize_start(); |
19945013 | 1461 | error = unixctl_server_create(unixctl_path, &server); |
1eb85ef5 EJ |
1462 | if (error) { |
1463 | ovs_fatal(error, "failed to create unixctl server"); | |
1464 | } | |
1465 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
96761f58 BP |
1466 | unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX, |
1467 | ofctl_send, vconn); | |
bb638b9a BP |
1468 | unixctl_command_register("ofctl/barrier", "", 0, 0, |
1469 | ofctl_barrier, &barrier_aux); | |
1e1d00a5 BP |
1470 | unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1, |
1471 | ofctl_set_output_file, NULL); | |
2b07c8b1 | 1472 | |
4f8f2439 BP |
1473 | unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked); |
1474 | unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock, | |
1475 | &blocked); | |
2b07c8b1 | 1476 | |
1eb85ef5 EJ |
1477 | daemonize_complete(); |
1478 | ||
0caf6bde BP |
1479 | for (;;) { |
1480 | struct ofpbuf *b; | |
1eb85ef5 EJ |
1481 | int retval; |
1482 | ||
1483 | unixctl_server_run(server); | |
982697a4 | 1484 | |
4f8f2439 | 1485 | while (!blocked) { |
982697a4 | 1486 | enum ofptype type; |
bb638b9a | 1487 | |
1eb85ef5 EJ |
1488 | retval = vconn_recv(vconn, &b); |
1489 | if (retval == EAGAIN) { | |
1490 | break; | |
1491 | } | |
1eb85ef5 | 1492 | run(retval, "vconn_recv"); |
31c6fcd7 | 1493 | |
0c9560b7 | 1494 | if (timestamp) { |
2b31d8e7 PI |
1495 | char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ", |
1496 | time_wall_msec(), true); | |
0c9560b7 | 1497 | fputs(s, stderr); |
3e78870d | 1498 | free(s); |
0c9560b7 | 1499 | } |
31c6fcd7 | 1500 | |
6fd6ed71 PS |
1501 | ofptype_decode(&type, b->data); |
1502 | ofp_print(stderr, b->data, b->size, verbosity + 2); | |
eafa7af8 | 1503 | fflush(stderr); |
bb638b9a | 1504 | |
05f453a8 BP |
1505 | switch ((int) type) { |
1506 | case OFPTYPE_BARRIER_REPLY: | |
1507 | if (barrier_aux.conn) { | |
1508 | unixctl_command_reply(barrier_aux.conn, NULL); | |
1509 | barrier_aux.conn = NULL; | |
1510 | } | |
1511 | break; | |
1512 | ||
1513 | case OFPTYPE_ECHO_REQUEST: | |
1514 | if (reply_to_echo_requests) { | |
1515 | struct ofpbuf *reply; | |
1516 | ||
6fd6ed71 | 1517 | reply = make_echo_reply(b->data); |
05f453a8 BP |
1518 | retval = vconn_send_block(vconn, reply); |
1519 | if (retval) { | |
1520 | ovs_fatal(retval, "failed to send echo reply"); | |
1521 | } | |
1522 | } | |
1523 | break; | |
bb638b9a | 1524 | } |
05f453a8 | 1525 | ofpbuf_delete(b); |
1eb85ef5 EJ |
1526 | } |
1527 | ||
1528 | if (exiting) { | |
1529 | break; | |
1530 | } | |
1531 | ||
1532 | vconn_run(vconn); | |
1533 | vconn_run_wait(vconn); | |
4f8f2439 BP |
1534 | if (!blocked) { |
1535 | vconn_recv_wait(vconn); | |
1536 | } | |
1eb85ef5 EJ |
1537 | unixctl_server_wait(server); |
1538 | poll_block(); | |
0caf6bde | 1539 | } |
828c72d0 BP |
1540 | vconn_close(vconn); |
1541 | unixctl_server_destroy(server); | |
0caf6bde BP |
1542 | } |
1543 | ||
1544 | static void | |
e1fef0f9 | 1545 | ofctl_monitor(int argc, char *argv[]) |
064af421 BP |
1546 | { |
1547 | struct vconn *vconn; | |
2b07c8b1 | 1548 | int i; |
db0b6c29 | 1549 | enum ofputil_protocol usable_protocols; |
064af421 BP |
1550 | |
1551 | open_vconn(argv[1], &vconn); | |
2b07c8b1 BP |
1552 | for (i = 2; i < argc; i++) { |
1553 | const char *arg = argv[i]; | |
064af421 | 1554 | |
2b07c8b1 BP |
1555 | if (isdigit((unsigned char) *arg)) { |
1556 | struct ofp_switch_config config; | |
1557 | ||
1558 | fetch_switch_config(vconn, &config); | |
1559 | config.miss_send_len = htons(atoi(arg)); | |
1560 | set_switch_config(vconn, &config); | |
1561 | } else if (!strcmp(arg, "invalid_ttl")) { | |
f0fd1a17 | 1562 | monitor_set_invalid_ttl_to_controller(vconn); |
2b07c8b1 BP |
1563 | } else if (!strncmp(arg, "watch:", 6)) { |
1564 | struct ofputil_flow_monitor_request fmr; | |
1565 | struct ofpbuf *msg; | |
bdda5aca | 1566 | char *error; |
2b07c8b1 | 1567 | |
db0b6c29 JR |
1568 | error = parse_flow_monitor_request(&fmr, arg + 6, |
1569 | &usable_protocols); | |
bdda5aca BP |
1570 | if (error) { |
1571 | ovs_fatal(0, "%s", error); | |
1572 | } | |
2b07c8b1 BP |
1573 | |
1574 | msg = ofpbuf_new(0); | |
1575 | ofputil_append_flow_monitor_request(&fmr, msg); | |
53514387 | 1576 | dump_stats_transaction(vconn, msg); |
eafa7af8 | 1577 | fflush(stdout); |
2b07c8b1 BP |
1578 | } else { |
1579 | ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg); | |
f0fd1a17 PS |
1580 | } |
1581 | } | |
2b07c8b1 | 1582 | |
ca8526e0 BP |
1583 | if (preferred_packet_in_format >= 0) { |
1584 | set_packet_in_format(vconn, preferred_packet_in_format); | |
1585 | } else { | |
f02b12c4 SH |
1586 | enum ofp_version version = vconn_get_version(vconn); |
1587 | ||
1588 | switch (version) { | |
1589 | case OFP10_VERSION: { | |
1590 | struct ofpbuf *spif, *reply; | |
1591 | ||
1592 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1593 | NXPIF_NXM); | |
1594 | run(vconn_transact_noreply(vconn, spif, &reply), | |
1595 | "talking to %s", vconn_get_name(vconn)); | |
1596 | if (reply) { | |
6fd6ed71 | 1597 | char *s = ofp_to_string(reply->data, reply->size, 2); |
f02b12c4 SH |
1598 | VLOG_DBG("%s: failed to set packet in format to nxm, controller" |
1599 | " replied: %s. Falling back to the switch default.", | |
1600 | vconn_get_name(vconn), s); | |
1601 | free(s); | |
1602 | ofpbuf_delete(reply); | |
1603 | } | |
1604 | break; | |
1605 | } | |
1606 | case OFP11_VERSION: | |
1607 | case OFP12_VERSION: | |
1608 | case OFP13_VERSION: | |
c37c0382 | 1609 | case OFP14_VERSION: |
42dccab5 | 1610 | case OFP15_VERSION: |
f02b12c4 SH |
1611 | break; |
1612 | default: | |
428b2edd | 1613 | OVS_NOT_REACHED(); |
ca8526e0 BP |
1614 | } |
1615 | } | |
1616 | ||
05f453a8 | 1617 | monitor_vconn(vconn, true); |
0caf6bde BP |
1618 | } |
1619 | ||
1620 | static void | |
e1fef0f9 | 1621 | ofctl_snoop(int argc OVS_UNUSED, char *argv[]) |
0caf6bde BP |
1622 | { |
1623 | struct vconn *vconn; | |
1624 | ||
4766ce7a | 1625 | open_vconn__(argv[1], SNOOP, &vconn); |
05f453a8 | 1626 | monitor_vconn(vconn, false); |
064af421 BP |
1627 | } |
1628 | ||
1629 | static void | |
e1fef0f9 | 1630 | ofctl_dump_ports(int argc, char *argv[]) |
064af421 | 1631 | { |
abaad8cf | 1632 | struct ofpbuf *request; |
53514387 | 1633 | struct vconn *vconn; |
4e022ec0 | 1634 | ofp_port_t port; |
abaad8cf | 1635 | |
53514387 | 1636 | open_vconn(argv[1], &vconn); |
7f05e7ab | 1637 | port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY; |
f8e4867e | 1638 | request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port); |
53514387 SH |
1639 | dump_stats_transaction(vconn, request); |
1640 | vconn_close(vconn); | |
064af421 BP |
1641 | } |
1642 | ||
2be393ed | 1643 | static void |
e1fef0f9 | 1644 | ofctl_dump_ports_desc(int argc OVS_UNUSED, char *argv[]) |
2be393ed | 1645 | { |
70ae4f93 BP |
1646 | struct ofpbuf *request; |
1647 | struct vconn *vconn; | |
1648 | ofp_port_t port; | |
1649 | ||
1650 | open_vconn(argv[1], &vconn); | |
1651 | port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY; | |
1652 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), | |
1653 | port); | |
1654 | dump_stats_transaction(vconn, request); | |
1655 | vconn_close(vconn); | |
2be393ed JP |
1656 | } |
1657 | ||
064af421 | 1658 | static void |
e1fef0f9 | 1659 | ofctl_probe(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
1660 | { |
1661 | struct ofpbuf *request; | |
1662 | struct vconn *vconn; | |
1663 | struct ofpbuf *reply; | |
1664 | ||
064af421 | 1665 | open_vconn(argv[1], &vconn); |
1a126c0c | 1666 | request = make_echo_request(vconn_get_version(vconn)); |
064af421 | 1667 | run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]); |
6fd6ed71 | 1668 | if (reply->size != sizeof(struct ofp_header)) { |
064af421 BP |
1669 | ovs_fatal(0, "reply does not match request"); |
1670 | } | |
1671 | ofpbuf_delete(reply); | |
1672 | vconn_close(vconn); | |
1673 | } | |
1674 | ||
0c3d5fc8 | 1675 | static void |
e1fef0f9 | 1676 | ofctl_packet_out(int argc, char *argv[]) |
0c3d5fc8 | 1677 | { |
de0f3156 | 1678 | enum ofputil_protocol protocol; |
0c3d5fc8 | 1679 | struct ofputil_packet_out po; |
f25d0cf3 | 1680 | struct ofpbuf ofpacts; |
0c3d5fc8 | 1681 | struct vconn *vconn; |
bdda5aca | 1682 | char *error; |
0c3d5fc8 | 1683 | int i; |
b420c0cf | 1684 | enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */ |
0c3d5fc8 | 1685 | |
f25d0cf3 | 1686 | ofpbuf_init(&ofpacts, 64); |
c2d936a4 | 1687 | error = ofpacts_parse_actions(argv[3], &ofpacts, &usable_protocols); |
bdda5aca BP |
1688 | if (error) { |
1689 | ovs_fatal(0, "%s", error); | |
1690 | } | |
0c3d5fc8 BP |
1691 | |
1692 | po.buffer_id = UINT32_MAX; | |
c6100d92 | 1693 | po.in_port = str_to_port_no(argv[1], argv[2]); |
6fd6ed71 PS |
1694 | po.ofpacts = ofpacts.data; |
1695 | po.ofpacts_len = ofpacts.size; | |
0c3d5fc8 | 1696 | |
de0f3156 | 1697 | protocol = open_vconn(argv[1], &vconn); |
0c3d5fc8 | 1698 | for (i = 4; i < argc; i++) { |
cf62fa4c PS |
1699 | struct dp_packet *packet; |
1700 | struct ofpbuf *opo; | |
0c3d5fc8 BP |
1701 | const char *error_msg; |
1702 | ||
1703 | error_msg = eth_from_hex(argv[i], &packet); | |
1704 | if (error_msg) { | |
1705 | ovs_fatal(0, "%s", error_msg); | |
1706 | } | |
1707 | ||
cf62fa4c PS |
1708 | po.packet = dp_packet_data(packet); |
1709 | po.packet_len = dp_packet_size(packet); | |
de0f3156 | 1710 | opo = ofputil_encode_packet_out(&po, protocol); |
0c3d5fc8 | 1711 | transact_noreply(vconn, opo); |
cf62fa4c | 1712 | dp_packet_delete(packet); |
0c3d5fc8 BP |
1713 | } |
1714 | vconn_close(vconn); | |
f25d0cf3 | 1715 | ofpbuf_uninit(&ofpacts); |
0c3d5fc8 BP |
1716 | } |
1717 | ||
064af421 | 1718 | static void |
e1fef0f9 | 1719 | ofctl_mod_port(int argc OVS_UNUSED, char *argv[]) |
064af421 | 1720 | { |
28124950 BP |
1721 | struct ofp_config_flag { |
1722 | const char *name; /* The flag's name. */ | |
1723 | enum ofputil_port_config bit; /* Bit to turn on or off. */ | |
1724 | bool on; /* Value to set the bit to. */ | |
1725 | }; | |
1726 | static const struct ofp_config_flag flags[] = { | |
1727 | { "up", OFPUTIL_PC_PORT_DOWN, false }, | |
1728 | { "down", OFPUTIL_PC_PORT_DOWN, true }, | |
1729 | { "stp", OFPUTIL_PC_NO_STP, false }, | |
1730 | { "receive", OFPUTIL_PC_NO_RECV, false }, | |
1731 | { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false }, | |
1732 | { "flood", OFPUTIL_PC_NO_FLOOD, false }, | |
1733 | { "forward", OFPUTIL_PC_NO_FWD, false }, | |
1734 | { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false }, | |
1735 | }; | |
1736 | ||
1737 | const struct ofp_config_flag *flag; | |
9e1fd49b BP |
1738 | enum ofputil_protocol protocol; |
1739 | struct ofputil_port_mod pm; | |
1740 | struct ofputil_phy_port pp; | |
064af421 | 1741 | struct vconn *vconn; |
28124950 BP |
1742 | const char *command; |
1743 | bool not; | |
064af421 | 1744 | |
9e1fd49b | 1745 | fetch_ofputil_phy_port(argv[1], argv[2], &pp); |
064af421 | 1746 | |
9e1fd49b BP |
1747 | pm.port_no = pp.port_no; |
1748 | memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN); | |
1749 | pm.config = 0; | |
1750 | pm.mask = 0; | |
1751 | pm.advertise = 0; | |
064af421 | 1752 | |
28124950 BP |
1753 | if (!strncasecmp(argv[3], "no-", 3)) { |
1754 | command = argv[3] + 3; | |
1755 | not = true; | |
1756 | } else if (!strncasecmp(argv[3], "no", 2)) { | |
1757 | command = argv[3] + 2; | |
1758 | not = true; | |
064af421 | 1759 | } else { |
28124950 BP |
1760 | command = argv[3]; |
1761 | not = false; | |
1762 | } | |
1763 | for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) { | |
1764 | if (!strcasecmp(command, flag->name)) { | |
1765 | pm.mask = flag->bit; | |
1766 | pm.config = flag->on ^ not ? flag->bit : 0; | |
1767 | goto found; | |
1768 | } | |
064af421 | 1769 | } |
28124950 | 1770 | ovs_fatal(0, "unknown mod-port command '%s'", argv[3]); |
064af421 | 1771 | |
28124950 | 1772 | found: |
9e1fd49b BP |
1773 | protocol = open_vconn(argv[1], &vconn); |
1774 | transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol)); | |
064af421 BP |
1775 | vconn_close(vconn); |
1776 | } | |
1777 | ||
918f2b82 AZ |
1778 | static void |
1779 | ofctl_mod_table(int argc OVS_UNUSED, char *argv[]) | |
1780 | { | |
1781 | enum ofputil_protocol protocol, usable_protocols; | |
1782 | struct ofputil_table_mod tm; | |
1783 | struct vconn *vconn; | |
1784 | char *error; | |
1785 | int i; | |
1786 | ||
1787 | error = parse_ofp_table_mod(&tm, argv[2], argv[3], &usable_protocols); | |
1788 | if (error) { | |
1789 | ovs_fatal(0, "%s", error); | |
1790 | } | |
1791 | ||
1792 | protocol = open_vconn(argv[1], &vconn); | |
1793 | if (!(protocol & usable_protocols)) { | |
1794 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1795 | enum ofputil_protocol f = 1 << i; | |
1796 | if (f != protocol | |
1797 | && f & usable_protocols | |
1798 | && try_set_protocol(vconn, f, &protocol)) { | |
1799 | protocol = f; | |
1800 | break; | |
1801 | } | |
1802 | } | |
1803 | } | |
1804 | ||
1805 | if (!(protocol & usable_protocols)) { | |
1806 | char *usable_s = ofputil_protocols_to_string(usable_protocols); | |
1807 | ovs_fatal(0, "Switch does not support table mod message(%s)", usable_s); | |
1808 | } | |
1809 | ||
1810 | transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol)); | |
1811 | vconn_close(vconn); | |
1812 | } | |
1813 | ||
7257b535 | 1814 | static void |
e1fef0f9 | 1815 | ofctl_get_frags(int argc OVS_UNUSED, char *argv[]) |
7257b535 BP |
1816 | { |
1817 | struct ofp_switch_config config; | |
1818 | struct vconn *vconn; | |
1819 | ||
1820 | open_vconn(argv[1], &vconn); | |
1821 | fetch_switch_config(vconn, &config); | |
1822 | puts(ofputil_frag_handling_to_string(ntohs(config.flags))); | |
1823 | vconn_close(vconn); | |
1824 | } | |
1825 | ||
1826 | static void | |
e1fef0f9 | 1827 | ofctl_set_frags(int argc OVS_UNUSED, char *argv[]) |
7257b535 BP |
1828 | { |
1829 | struct ofp_switch_config config; | |
1830 | enum ofp_config_flags mode; | |
1831 | struct vconn *vconn; | |
1832 | ovs_be16 flags; | |
1833 | ||
1834 | if (!ofputil_frag_handling_from_string(argv[2], &mode)) { | |
1835 | ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]); | |
1836 | } | |
1837 | ||
1838 | open_vconn(argv[1], &vconn); | |
1839 | fetch_switch_config(vconn, &config); | |
1840 | flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK)); | |
1841 | if (flags != config.flags) { | |
1842 | /* Set the configuration. */ | |
1843 | config.flags = flags; | |
1844 | set_switch_config(vconn, &config); | |
1845 | ||
1846 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1847 | * doesn't define error reporting for bad modes, so this is all we can | |
1848 | * do. */ | |
1849 | fetch_switch_config(vconn, &config); | |
1850 | if (flags != config.flags) { | |
1851 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " | |
1852 | "switch probably doesn't support mode \"%s\")", | |
1853 | argv[1], ofputil_frag_handling_to_string(mode)); | |
1854 | } | |
1855 | } | |
1856 | vconn_close(vconn); | |
1857 | } | |
1858 | ||
1ac0e975 BP |
1859 | static void |
1860 | ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[]) | |
1861 | { | |
1862 | const char *filename = argv[1]; | |
1863 | struct ofpbuf b; | |
1864 | FILE *file; | |
1865 | ||
1866 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
1867 | if (file == NULL) { | |
1868 | ovs_fatal(errno, "%s: open", filename); | |
1869 | } | |
1870 | ||
1871 | ofpbuf_init(&b, 65536); | |
1872 | for (;;) { | |
1873 | struct ofp_header *oh; | |
1874 | size_t length, tail_len; | |
1875 | void *tail; | |
1876 | size_t n; | |
1877 | ||
1878 | ofpbuf_clear(&b); | |
1879 | oh = ofpbuf_put_uninit(&b, sizeof *oh); | |
1880 | n = fread(oh, 1, sizeof *oh, file); | |
1881 | if (n == 0) { | |
1882 | break; | |
1883 | } else if (n < sizeof *oh) { | |
1884 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
1885 | } | |
1886 | ||
1887 | length = ntohs(oh->length); | |
1888 | if (length < sizeof *oh) { | |
34582733 | 1889 | ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow", |
1ac0e975 BP |
1890 | filename, length); |
1891 | } | |
1892 | ||
1893 | tail_len = length - sizeof *oh; | |
1894 | tail = ofpbuf_put_uninit(&b, tail_len); | |
1895 | n = fread(tail, 1, tail_len, file); | |
1896 | if (n < tail_len) { | |
1897 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
1898 | } | |
1899 | ||
6fd6ed71 | 1900 | ofp_print(stdout, b.data, b.size, verbosity + 2); |
1ac0e975 BP |
1901 | } |
1902 | ofpbuf_uninit(&b); | |
1903 | ||
1904 | if (file != stdin) { | |
1905 | fclose(file); | |
1906 | } | |
1907 | } | |
1908 | ||
f3dd1419 BP |
1909 | static bool |
1910 | is_openflow_port(ovs_be16 port_, char *ports[]) | |
1911 | { | |
1912 | uint16_t port = ntohs(port_); | |
1913 | if (ports[0]) { | |
1914 | int i; | |
1915 | ||
1916 | for (i = 0; ports[i]; i++) { | |
1917 | if (port == atoi(ports[i])) { | |
1918 | return true; | |
1919 | } | |
1920 | } | |
1921 | return false; | |
1922 | } else { | |
1923 | return port == OFP_PORT || port == OFP_OLD_PORT; | |
1924 | } | |
1925 | } | |
1926 | ||
1927 | static void | |
1928 | ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[]) | |
1929 | { | |
1930 | struct tcp_reader *reader; | |
1931 | FILE *file; | |
1932 | int error; | |
1933 | bool first; | |
1934 | ||
50aa0364 | 1935 | file = ovs_pcap_open(argv[1], "rb"); |
f3dd1419 BP |
1936 | if (!file) { |
1937 | ovs_fatal(errno, "%s: open failed", argv[1]); | |
1938 | } | |
1939 | ||
1940 | reader = tcp_reader_open(); | |
1941 | first = true; | |
1942 | for (;;) { | |
cf62fa4c | 1943 | struct dp_packet *packet; |
f3dd1419 BP |
1944 | long long int when; |
1945 | struct flow flow; | |
1946 | ||
50aa0364 | 1947 | error = ovs_pcap_read(file, &packet, &when); |
f3dd1419 BP |
1948 | if (error) { |
1949 | break; | |
1950 | } | |
cf62fa4c PS |
1951 | packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE); |
1952 | flow_extract(packet, &flow); | |
f3dd1419 BP |
1953 | if (flow.dl_type == htons(ETH_TYPE_IP) |
1954 | && flow.nw_proto == IPPROTO_TCP | |
1955 | && (is_openflow_port(flow.tp_src, argv + 2) || | |
1956 | is_openflow_port(flow.tp_dst, argv + 2))) { | |
cf62fa4c | 1957 | struct dp_packet *payload = tcp_reader_run(reader, &flow, packet); |
f3dd1419 | 1958 | if (payload) { |
cf62fa4c | 1959 | while (dp_packet_size(payload) >= sizeof(struct ofp_header)) { |
f3dd1419 | 1960 | const struct ofp_header *oh; |
cf62fa4c | 1961 | void *data = dp_packet_data(payload); |
f3dd1419 BP |
1962 | int length; |
1963 | ||
1964 | /* Align OpenFlow on 8-byte boundary for safe access. */ | |
cf62fa4c | 1965 | dp_packet_shift(payload, -((intptr_t) data & 7)); |
f3dd1419 | 1966 | |
cf62fa4c | 1967 | oh = dp_packet_data(payload); |
f3dd1419 | 1968 | length = ntohs(oh->length); |
cf62fa4c | 1969 | if (dp_packet_size(payload) < length) { |
f3dd1419 BP |
1970 | break; |
1971 | } | |
1972 | ||
1973 | if (!first) { | |
1974 | putchar('\n'); | |
1975 | } | |
1976 | first = false; | |
1977 | ||
1978 | if (timestamp) { | |
1979 | char *s = xastrftime_msec("%H:%M:%S.### ", when, true); | |
1980 | fputs(s, stdout); | |
1981 | free(s); | |
1982 | } | |
1983 | ||
1984 | printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n", | |
1985 | IP_ARGS(flow.nw_src), ntohs(flow.tp_src), | |
1986 | IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst)); | |
cf62fa4c PS |
1987 | ofp_print(stdout, dp_packet_data(payload), length, verbosity + 1); |
1988 | dp_packet_pull(payload, length); | |
f3dd1419 BP |
1989 | } |
1990 | } | |
1991 | } | |
cf62fa4c | 1992 | dp_packet_delete(packet); |
f3dd1419 BP |
1993 | } |
1994 | tcp_reader_close(reader); | |
1995 | } | |
1996 | ||
064af421 | 1997 | static void |
e1fef0f9 | 1998 | ofctl_ping(int argc, char *argv[]) |
064af421 BP |
1999 | { |
2000 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2001 | unsigned int payload; | |
2002 | struct vconn *vconn; | |
2003 | int i; | |
2004 | ||
2005 | payload = argc > 2 ? atoi(argv[2]) : 64; | |
2006 | if (payload > max_payload) { | |
34582733 | 2007 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2008 | } |
2009 | ||
2010 | open_vconn(argv[1], &vconn); | |
2011 | for (i = 0; i < 10; i++) { | |
2012 | struct timeval start, end; | |
2013 | struct ofpbuf *request, *reply; | |
982697a4 BP |
2014 | const struct ofp_header *rpy_hdr; |
2015 | enum ofptype type; | |
064af421 | 2016 | |
a53a8efa SH |
2017 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2018 | vconn_get_version(vconn), payload); | |
982697a4 | 2019 | random_bytes(ofpbuf_put_uninit(request, payload), payload); |
064af421 | 2020 | |
279c9e03 | 2021 | xgettimeofday(&start); |
064af421 | 2022 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 2023 | xgettimeofday(&end); |
064af421 | 2024 | |
6fd6ed71 | 2025 | rpy_hdr = reply->data; |
982697a4 BP |
2026 | if (ofptype_pull(&type, reply) |
2027 | || type != OFPTYPE_ECHO_REPLY | |
6fd6ed71 PS |
2028 | || reply->size != payload |
2029 | || memcmp(request->msg, reply->msg, payload)) { | |
064af421 | 2030 | printf("Reply does not match request. Request:\n"); |
6fd6ed71 | 2031 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 2032 | printf("Reply:\n"); |
6fd6ed71 | 2033 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 2034 | } |
437d0d22 | 2035 | printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
6fd6ed71 | 2036 | reply->size, argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
2037 | (1000*(double)(end.tv_sec - start.tv_sec)) |
2038 | + (.001*(end.tv_usec - start.tv_usec))); | |
2039 | ofpbuf_delete(request); | |
2040 | ofpbuf_delete(reply); | |
2041 | } | |
2042 | vconn_close(vconn); | |
2043 | } | |
2044 | ||
2045 | static void | |
e1fef0f9 | 2046 | ofctl_benchmark(int argc OVS_UNUSED, char *argv[]) |
064af421 BP |
2047 | { |
2048 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2049 | struct timeval start, end; | |
2050 | unsigned int payload_size, message_size; | |
2051 | struct vconn *vconn; | |
2052 | double duration; | |
2053 | int count; | |
2054 | int i; | |
2055 | ||
2056 | payload_size = atoi(argv[2]); | |
2057 | if (payload_size > max_payload) { | |
34582733 | 2058 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2059 | } |
2060 | message_size = sizeof(struct ofp_header) + payload_size; | |
2061 | ||
2062 | count = atoi(argv[3]); | |
2063 | ||
2064 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
2065 | count, message_size, count * message_size); | |
2066 | ||
2067 | open_vconn(argv[1], &vconn); | |
279c9e03 | 2068 | xgettimeofday(&start); |
064af421 BP |
2069 | for (i = 0; i < count; i++) { |
2070 | struct ofpbuf *request, *reply; | |
064af421 | 2071 | |
a53a8efa SH |
2072 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2073 | vconn_get_version(vconn), payload_size); | |
982697a4 | 2074 | ofpbuf_put_zeros(request, payload_size); |
064af421 BP |
2075 | run(vconn_transact(vconn, request, &reply), "transact"); |
2076 | ofpbuf_delete(reply); | |
2077 | } | |
279c9e03 | 2078 | xgettimeofday(&end); |
064af421 BP |
2079 | vconn_close(vconn); |
2080 | ||
2081 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
2082 | + (.001*(end.tv_usec - start.tv_usec))); | |
2083 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
2084 | duration, count / (duration / 1000.0), | |
2085 | count * message_size / (duration / 1000.0)); | |
2086 | } | |
2087 | ||
7395c052 NZ |
2088 | static void |
2089 | ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms, | |
69185eb2 | 2090 | size_t n_gms, enum ofputil_protocol usable_protocols) |
7395c052 | 2091 | { |
69185eb2 | 2092 | enum ofputil_protocol protocol; |
7395c052 | 2093 | struct ofputil_group_mod *gm; |
69185eb2 | 2094 | enum ofp_version version; |
7395c052 NZ |
2095 | struct ofpbuf *request; |
2096 | ||
2097 | struct vconn *vconn; | |
2098 | size_t i; | |
2099 | ||
69185eb2 SH |
2100 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
2101 | version = ofputil_protocol_to_ofp_version(protocol); | |
7395c052 NZ |
2102 | |
2103 | for (i = 0; i < n_gms; i++) { | |
2104 | gm = &gms[i]; | |
69185eb2 | 2105 | request = ofputil_encode_group_mod(version, gm); |
7395c052 NZ |
2106 | if (request) { |
2107 | transact_noreply(vconn, request); | |
2108 | } | |
2109 | } | |
2110 | ||
2111 | vconn_close(vconn); | |
2112 | ||
2113 | } | |
2114 | ||
2115 | ||
2116 | static void | |
2117 | ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) | |
2118 | { | |
2119 | struct ofputil_group_mod *gms = NULL; | |
2120 | enum ofputil_protocol usable_protocols; | |
2121 | size_t n_gms = 0; | |
2122 | char *error; | |
0da32511 | 2123 | int i; |
7395c052 NZ |
2124 | |
2125 | error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms, | |
2126 | &usable_protocols); | |
2127 | if (error) { | |
2128 | ovs_fatal(0, "%s", error); | |
2129 | } | |
69185eb2 | 2130 | ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols); |
0da32511 SH |
2131 | for (i = 0; i < n_gms; i++) { |
2132 | ofputil_bucket_list_destroy(&gms[i].buckets); | |
2133 | } | |
7395c052 NZ |
2134 | free(gms); |
2135 | } | |
2136 | ||
2137 | static void | |
2138 | ofctl_group_mod(int argc, char *argv[], uint16_t command) | |
2139 | { | |
2140 | if (argc > 2 && !strcmp(argv[2], "-")) { | |
2141 | ofctl_group_mod_file(argc, argv, command); | |
2142 | } else { | |
2143 | enum ofputil_protocol usable_protocols; | |
2144 | struct ofputil_group_mod gm; | |
2145 | char *error; | |
2146 | ||
2147 | error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "", | |
2148 | &usable_protocols); | |
2149 | if (error) { | |
2150 | ovs_fatal(0, "%s", error); | |
2151 | } | |
69185eb2 | 2152 | ofctl_group_mod__(argv[1], &gm, 1, usable_protocols); |
0da32511 | 2153 | ofputil_bucket_list_destroy(&gm.buckets); |
7395c052 NZ |
2154 | } |
2155 | } | |
2156 | ||
2157 | static void | |
2158 | ofctl_add_group(int argc, char *argv[]) | |
2159 | { | |
2160 | ofctl_group_mod(argc, argv, OFPGC11_ADD); | |
2161 | } | |
2162 | ||
2163 | static void | |
2164 | ofctl_add_groups(int argc, char *argv[]) | |
2165 | { | |
2166 | ofctl_group_mod_file(argc, argv, OFPGC11_ADD); | |
2167 | } | |
2168 | ||
2169 | static void | |
2170 | ofctl_mod_group(int argc, char *argv[]) | |
2171 | { | |
2172 | ofctl_group_mod(argc, argv, OFPGC11_MODIFY); | |
2173 | } | |
2174 | ||
2175 | static void | |
2176 | ofctl_del_groups(int argc, char *argv[]) | |
2177 | { | |
2178 | ofctl_group_mod(argc, argv, OFPGC11_DELETE); | |
2179 | } | |
2180 | ||
bdbb8426 SH |
2181 | static void |
2182 | ofctl_insert_bucket(int argc, char *argv[]) | |
2183 | { | |
2184 | ofctl_group_mod(argc, argv, OFPGC15_INSERT_BUCKET); | |
2185 | } | |
2186 | ||
2187 | static void | |
2188 | ofctl_remove_bucket(int argc, char *argv[]) | |
2189 | { | |
2190 | ofctl_group_mod(argc, argv, OFPGC15_REMOVE_BUCKET); | |
2191 | } | |
2192 | ||
7395c052 NZ |
2193 | static void |
2194 | ofctl_dump_group_stats(int argc, char *argv[]) | |
2195 | { | |
2196 | enum ofputil_protocol usable_protocols; | |
2197 | struct ofputil_group_mod gm; | |
2198 | struct ofpbuf *request; | |
2199 | struct vconn *vconn; | |
2200 | uint32_t group_id; | |
2201 | char *error; | |
2202 | ||
2203 | memset(&gm, 0, sizeof gm); | |
2204 | ||
2205 | error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE, | |
2206 | argc > 2 ? argv[2] : "", | |
2207 | &usable_protocols); | |
2208 | if (error) { | |
2209 | ovs_fatal(0, "%s", error); | |
2210 | } | |
2211 | ||
2212 | group_id = gm.group_id; | |
2213 | ||
2214 | open_vconn(argv[1], &vconn); | |
2215 | request = ofputil_encode_group_stats_request(vconn_get_version(vconn), | |
2216 | group_id); | |
2217 | if (request) { | |
2218 | dump_stats_transaction(vconn, request); | |
2219 | } | |
2220 | ||
2221 | vconn_close(vconn); | |
2222 | } | |
2223 | ||
2224 | static void | |
2225 | ofctl_dump_group_desc(int argc OVS_UNUSED, char *argv[]) | |
2226 | { | |
2227 | struct ofpbuf *request; | |
2228 | struct vconn *vconn; | |
19187a71 | 2229 | uint32_t group_id; |
7395c052 NZ |
2230 | |
2231 | open_vconn(argv[1], &vconn); | |
2232 | ||
19187a71 BP |
2233 | if (argc < 3 || !ofputil_group_from_string(argv[2], &group_id)) { |
2234 | group_id = OFPG11_ALL; | |
2235 | } | |
2236 | ||
2237 | request = ofputil_encode_group_desc_request(vconn_get_version(vconn), | |
2238 | group_id); | |
7395c052 NZ |
2239 | if (request) { |
2240 | dump_stats_transaction(vconn, request); | |
2241 | } | |
2242 | ||
2243 | vconn_close(vconn); | |
2244 | } | |
2245 | ||
2246 | static void | |
2247 | ofctl_dump_group_features(int argc OVS_UNUSED, char *argv[]) | |
2248 | { | |
2249 | struct ofpbuf *request; | |
2250 | struct vconn *vconn; | |
2251 | ||
2252 | open_vconn(argv[1], &vconn); | |
2253 | request = ofputil_encode_group_features_request(vconn_get_version(vconn)); | |
2254 | if (request) { | |
2255 | dump_stats_transaction(vconn, request); | |
2256 | } | |
2257 | ||
2258 | vconn_close(vconn); | |
2259 | } | |
2260 | ||
09246b99 | 2261 | static void |
e1fef0f9 | 2262 | ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
09246b99 BP |
2263 | { |
2264 | usage(); | |
2265 | } | |
451de37e AW |
2266 | |
2267 | static void | |
2268 | ofctl_list_commands(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
2269 | { | |
2270 | print_commands(get_all_commands()); | |
2271 | } | |
09246b99 | 2272 | \f |
0199c526 BP |
2273 | /* replace-flows and diff-flows commands. */ |
2274 | ||
2275 | /* A flow table entry, possibly with two different versions. */ | |
2276 | struct fte { | |
2277 | struct cls_rule rule; /* Within a "struct classifier". */ | |
2278 | struct fte_version *versions[2]; | |
2279 | }; | |
2280 | ||
2281 | /* One version of a Flow Table Entry. */ | |
2282 | struct fte_version { | |
2283 | ovs_be64 cookie; | |
2284 | uint16_t idle_timeout; | |
2285 | uint16_t hard_timeout; | |
ca26eb44 | 2286 | uint16_t importance; |
0199c526 | 2287 | uint16_t flags; |
f25d0cf3 BP |
2288 | struct ofpact *ofpacts; |
2289 | size_t ofpacts_len; | |
0199c526 BP |
2290 | }; |
2291 | ||
2292 | /* Frees 'version' and the data that it owns. */ | |
2293 | static void | |
2294 | fte_version_free(struct fte_version *version) | |
2295 | { | |
2296 | if (version) { | |
dc723c44 | 2297 | free(CONST_CAST(struct ofpact *, version->ofpacts)); |
0199c526 BP |
2298 | free(version); |
2299 | } | |
2300 | } | |
2301 | ||
2302 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
2303 | * | |
2304 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
2305 | * an OpenFlow switch. We have to assume that they are the same. */ | |
2306 | static bool | |
2307 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
2308 | { | |
2309 | return (a->cookie == b->cookie | |
2310 | && a->idle_timeout == b->idle_timeout | |
2311 | && a->hard_timeout == b->hard_timeout | |
ca26eb44 | 2312 | && a->importance == b->importance |
f25d0cf3 BP |
2313 | && ofpacts_equal(a->ofpacts, a->ofpacts_len, |
2314 | b->ofpacts, b->ofpacts_len)); | |
0199c526 BP |
2315 | } |
2316 | ||
98f7f427 BP |
2317 | /* Clears 's', then if 's' has a version 'index', formats 'fte' and version |
2318 | * 'index' into 's', followed by a new-line. */ | |
0199c526 | 2319 | static void |
98f7f427 | 2320 | fte_version_format(const struct fte *fte, int index, struct ds *s) |
0199c526 | 2321 | { |
98f7f427 | 2322 | const struct fte_version *version = fte->versions[index]; |
0199c526 | 2323 | |
98f7f427 BP |
2324 | ds_clear(s); |
2325 | if (!version) { | |
2326 | return; | |
2327 | } | |
2328 | ||
2329 | cls_rule_format(&fte->rule, s); | |
0199c526 | 2330 | if (version->cookie != htonll(0)) { |
98f7f427 | 2331 | ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie)); |
0199c526 BP |
2332 | } |
2333 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2334 | ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout); |
0199c526 BP |
2335 | } |
2336 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2337 | ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout); |
0199c526 | 2338 | } |
ca26eb44 RB |
2339 | if (version->importance != 0) { |
2340 | ds_put_format(s, " importance=%"PRIu16, version->importance); | |
2341 | } | |
0199c526 | 2342 | |
455ecd77 | 2343 | ds_put_cstr(s, " actions="); |
98f7f427 BP |
2344 | ofpacts_format(version->ofpacts, version->ofpacts_len, s); |
2345 | ||
2346 | ds_put_char(s, '\n'); | |
0199c526 BP |
2347 | } |
2348 | ||
2349 | static struct fte * | |
2350 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
2351 | { | |
2352 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
2353 | } | |
2354 | ||
2355 | /* Frees 'fte' and its versions. */ | |
2356 | static void | |
2357 | fte_free(struct fte *fte) | |
2358 | { | |
2359 | if (fte) { | |
2360 | fte_version_free(fte->versions[0]); | |
2361 | fte_version_free(fte->versions[1]); | |
48d28ac1 | 2362 | cls_rule_destroy(&fte->rule); |
0199c526 BP |
2363 | free(fte); |
2364 | } | |
2365 | } | |
2366 | ||
2367 | /* Frees all of the FTEs within 'cls'. */ | |
2368 | static void | |
2369 | fte_free_all(struct classifier *cls) | |
2370 | { | |
78c8df12 | 2371 | struct fte *fte; |
0199c526 | 2372 | |
802f84ff | 2373 | classifier_defer(cls); |
de4ad4a2 | 2374 | CLS_FOR_EACH (fte, rule, cls) { |
0199c526 | 2375 | classifier_remove(cls, &fte->rule); |
de4ad4a2 | 2376 | ovsrcu_postpone(fte_free, fte); |
0199c526 | 2377 | } |
e49190c4 | 2378 | classifier_destroy(cls); |
0199c526 BP |
2379 | } |
2380 | ||
2381 | /* Searches 'cls' for an FTE matching 'rule', inserting a new one if | |
2382 | * necessary. Sets 'version' as the version of that rule with the given | |
2383 | * 'index', replacing any existing version, if any. | |
2384 | * | |
2385 | * Takes ownership of 'version'. */ | |
2386 | static void | |
81a76618 | 2387 | fte_insert(struct classifier *cls, const struct match *match, |
eb391b76 | 2388 | int priority, struct fte_version *version, int index) |
0199c526 BP |
2389 | { |
2390 | struct fte *old, *fte; | |
2391 | ||
2392 | fte = xzalloc(sizeof *fte); | |
81a76618 | 2393 | cls_rule_init(&fte->rule, match, priority); |
0199c526 BP |
2394 | fte->versions[index] = version; |
2395 | ||
18080541 | 2396 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule, NULL, 0)); |
0199c526 | 2397 | if (old) { |
0199c526 | 2398 | fte->versions[!index] = old->versions[!index]; |
de4ad4a2 JR |
2399 | old->versions[!index] = NULL; |
2400 | ||
2401 | ovsrcu_postpone(fte_free, old); | |
0199c526 BP |
2402 | } |
2403 | } | |
2404 | ||
2405 | /* Reads the flows in 'filename' as flow table entries in 'cls' for the version | |
27527aa0 BP |
2406 | * with the specified 'index'. Returns the flow formats able to represent the |
2407 | * flows that were read. */ | |
2408 | static enum ofputil_protocol | |
0199c526 BP |
2409 | read_flows_from_file(const char *filename, struct classifier *cls, int index) |
2410 | { | |
27527aa0 | 2411 | enum ofputil_protocol usable_protocols; |
bdda5aca | 2412 | int line_number; |
0199c526 BP |
2413 | struct ds s; |
2414 | FILE *file; | |
2415 | ||
2416 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
2417 | if (file == NULL) { | |
2418 | ovs_fatal(errno, "%s: open", filename); | |
2419 | } | |
2420 | ||
2421 | ds_init(&s); | |
27527aa0 | 2422 | usable_protocols = OFPUTIL_P_ANY; |
bdda5aca | 2423 | line_number = 0; |
802f84ff | 2424 | classifier_defer(cls); |
bdda5aca | 2425 | while (!ds_get_preprocessed_line(&s, file, &line_number)) { |
0199c526 | 2426 | struct fte_version *version; |
a9a2da38 | 2427 | struct ofputil_flow_mod fm; |
bdda5aca | 2428 | char *error; |
db0b6c29 | 2429 | enum ofputil_protocol usable; |
0199c526 | 2430 | |
ba2fe8e9 | 2431 | error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable); |
bdda5aca BP |
2432 | if (error) { |
2433 | ovs_fatal(0, "%s:%d: %s", filename, line_number, error); | |
2434 | } | |
db0b6c29 | 2435 | usable_protocols &= usable; |
0199c526 BP |
2436 | |
2437 | version = xmalloc(sizeof *version); | |
623e1caf | 2438 | version->cookie = fm.new_cookie; |
0199c526 BP |
2439 | version->idle_timeout = fm.idle_timeout; |
2440 | version->hard_timeout = fm.hard_timeout; | |
ca26eb44 | 2441 | version->importance = fm.importance; |
0fb88c18 BP |
2442 | version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM |
2443 | | OFPUTIL_FF_EMERG); | |
f25d0cf3 BP |
2444 | version->ofpacts = fm.ofpacts; |
2445 | version->ofpacts_len = fm.ofpacts_len; | |
0199c526 | 2446 | |
81a76618 | 2447 | fte_insert(cls, &fm.match, fm.priority, version, index); |
0199c526 | 2448 | } |
802f84ff | 2449 | classifier_publish(cls); |
0199c526 BP |
2450 | ds_destroy(&s); |
2451 | ||
2452 | if (file != stdin) { | |
2453 | fclose(file); | |
2454 | } | |
2455 | ||
27527aa0 | 2456 | return usable_protocols; |
0199c526 BP |
2457 | } |
2458 | ||
4ce9c315 BP |
2459 | static bool |
2460 | recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid, | |
2461 | struct ofpbuf **replyp, | |
2462 | struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts) | |
2463 | { | |
2464 | struct ofpbuf *reply = *replyp; | |
2465 | ||
2466 | for (;;) { | |
4ce9c315 | 2467 | int retval; |
35805806 | 2468 | bool more; |
4ce9c315 BP |
2469 | |
2470 | /* Get a flow stats reply message, if we don't already have one. */ | |
2471 | if (!reply) { | |
982697a4 BP |
2472 | enum ofptype type; |
2473 | enum ofperr error; | |
4ce9c315 BP |
2474 | |
2475 | do { | |
2476 | run(vconn_recv_block(vconn, &reply), | |
2477 | "OpenFlow packet receive failed"); | |
6fd6ed71 | 2478 | } while (((struct ofp_header *) reply->data)->xid != send_xid); |
4ce9c315 | 2479 | |
6fd6ed71 | 2480 | error = ofptype_decode(&type, reply->data); |
982697a4 | 2481 | if (error || type != OFPTYPE_FLOW_STATS_REPLY) { |
4ce9c315 | 2482 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 2483 | ofp_to_string(reply->data, reply->size, |
4ce9c315 BP |
2484 | verbosity + 1)); |
2485 | } | |
2486 | } | |
2487 | ||
2488 | /* Pull an individual flow stats reply out of the message. */ | |
2489 | retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts); | |
2490 | switch (retval) { | |
2491 | case 0: | |
2492 | *replyp = reply; | |
2493 | return true; | |
2494 | ||
2495 | case EOF: | |
6fd6ed71 | 2496 | more = ofpmp_more(reply->header); |
4ce9c315 | 2497 | ofpbuf_delete(reply); |
296ed880 | 2498 | reply = NULL; |
35805806 | 2499 | if (!more) { |
4ce9c315 BP |
2500 | *replyp = NULL; |
2501 | return false; | |
2502 | } | |
2503 | break; | |
2504 | ||
2505 | default: | |
2506 | ovs_fatal(0, "parse error in reply (%s)", | |
2507 | ofperr_to_string(retval)); | |
2508 | } | |
2509 | } | |
2510 | } | |
2511 | ||
0199c526 | 2512 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow |
27527aa0 | 2513 | * format 'protocol', and adds them as flow table entries in 'cls' for the |
0199c526 BP |
2514 | * version with the specified 'index'. */ |
2515 | static void | |
27527aa0 BP |
2516 | read_flows_from_switch(struct vconn *vconn, |
2517 | enum ofputil_protocol protocol, | |
0199c526 BP |
2518 | struct classifier *cls, int index) |
2519 | { | |
81d1ea94 | 2520 | struct ofputil_flow_stats_request fsr; |
4ce9c315 | 2521 | struct ofputil_flow_stats fs; |
0199c526 | 2522 | struct ofpbuf *request; |
4ce9c315 BP |
2523 | struct ofpbuf ofpacts; |
2524 | struct ofpbuf *reply; | |
0199c526 | 2525 | ovs_be32 send_xid; |
0199c526 BP |
2526 | |
2527 | fsr.aggregate = false; | |
81a76618 | 2528 | match_init_catchall(&fsr.match); |
7f05e7ab | 2529 | fsr.out_port = OFPP_ANY; |
0199c526 | 2530 | fsr.table_id = 0xff; |
ecc798ab | 2531 | fsr.cookie = fsr.cookie_mask = htonll(0); |
27527aa0 | 2532 | request = ofputil_encode_flow_stats_request(&fsr, protocol); |
6fd6ed71 | 2533 | send_xid = ((struct ofp_header *) request->data)->xid; |
0199c526 BP |
2534 | send_openflow_buffer(vconn, request); |
2535 | ||
4ce9c315 BP |
2536 | reply = NULL; |
2537 | ofpbuf_init(&ofpacts, 0); | |
802f84ff | 2538 | classifier_defer(cls); |
4ce9c315 BP |
2539 | while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) { |
2540 | struct fte_version *version; | |
0199c526 | 2541 | |
4ce9c315 BP |
2542 | version = xmalloc(sizeof *version); |
2543 | version->cookie = fs.cookie; | |
2544 | version->idle_timeout = fs.idle_timeout; | |
2545 | version->hard_timeout = fs.hard_timeout; | |
ca26eb44 | 2546 | version->importance = fs.importance; |
4ce9c315 BP |
2547 | version->flags = 0; |
2548 | version->ofpacts_len = fs.ofpacts_len; | |
2549 | version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len); | |
2550 | ||
81a76618 | 2551 | fte_insert(cls, &fs.match, fs.priority, version, index); |
0199c526 | 2552 | } |
802f84ff | 2553 | classifier_publish(cls); |
4ce9c315 | 2554 | ofpbuf_uninit(&ofpacts); |
0199c526 BP |
2555 | } |
2556 | ||
2557 | static void | |
2558 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
ca6ba700 | 2559 | enum ofputil_protocol protocol, struct ovs_list *packets) |
0199c526 BP |
2560 | { |
2561 | const struct fte_version *version = fte->versions[index]; | |
a9a2da38 | 2562 | struct ofputil_flow_mod fm; |
0199c526 BP |
2563 | struct ofpbuf *ofm; |
2564 | ||
5cb7a798 | 2565 | minimatch_expand(&fte->rule.match, &fm.match); |
81a76618 | 2566 | fm.priority = fte->rule.priority; |
623e1caf JP |
2567 | fm.cookie = htonll(0); |
2568 | fm.cookie_mask = htonll(0); | |
2569 | fm.new_cookie = version->cookie; | |
23342857 | 2570 | fm.modify_cookie = true; |
6c1491fb | 2571 | fm.table_id = 0xff; |
0199c526 BP |
2572 | fm.command = command; |
2573 | fm.idle_timeout = version->idle_timeout; | |
2574 | fm.hard_timeout = version->hard_timeout; | |
ca26eb44 | 2575 | fm.importance = version->importance; |
0199c526 | 2576 | fm.buffer_id = UINT32_MAX; |
7f05e7ab | 2577 | fm.out_port = OFPP_ANY; |
0199c526 BP |
2578 | fm.flags = version->flags; |
2579 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || | |
2580 | command == OFPFC_MODIFY_STRICT) { | |
f25d0cf3 BP |
2581 | fm.ofpacts = version->ofpacts; |
2582 | fm.ofpacts_len = version->ofpacts_len; | |
0199c526 | 2583 | } else { |
f25d0cf3 BP |
2584 | fm.ofpacts = NULL; |
2585 | fm.ofpacts_len = 0; | |
0199c526 | 2586 | } |
cc40d06b | 2587 | fm.delete_reason = OFPRR_DELETE; |
0199c526 | 2588 | |
27527aa0 | 2589 | ofm = ofputil_encode_flow_mod(&fm, protocol); |
0199c526 BP |
2590 | list_push_back(packets, &ofm->list_node); |
2591 | } | |
2592 | ||
2593 | static void | |
e1fef0f9 | 2594 | ofctl_replace_flows(int argc OVS_UNUSED, char *argv[]) |
0199c526 BP |
2595 | { |
2596 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
27527aa0 | 2597 | enum ofputil_protocol usable_protocols, protocol; |
0199c526 | 2598 | struct classifier cls; |
ca6ba700 | 2599 | struct ovs_list requests; |
0199c526 BP |
2600 | struct vconn *vconn; |
2601 | struct fte *fte; | |
2602 | ||
476f36e8 | 2603 | classifier_init(&cls, NULL); |
27527aa0 | 2604 | usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX); |
0199c526 | 2605 | |
27527aa0 BP |
2606 | protocol = open_vconn(argv[1], &vconn); |
2607 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
2608 | ||
2609 | read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX); | |
0199c526 BP |
2610 | |
2611 | list_init(&requests); | |
2612 | ||
2613 | /* Delete flows that exist on the switch but not in the file. */ | |
5f0476ce | 2614 | CLS_FOR_EACH (fte, rule, &cls) { |
0199c526 BP |
2615 | struct fte_version *file_ver = fte->versions[FILE_IDX]; |
2616 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2617 | ||
2618 | if (sw_ver && !file_ver) { | |
2619 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
27527aa0 | 2620 | protocol, &requests); |
0199c526 BP |
2621 | } |
2622 | } | |
2623 | ||
2624 | /* Add flows that exist in the file but not on the switch. | |
2625 | * Update flows that exist in both places but differ. */ | |
5f0476ce | 2626 | CLS_FOR_EACH (fte, rule, &cls) { |
0199c526 BP |
2627 | struct fte_version *file_ver = fte->versions[FILE_IDX]; |
2628 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2629 | ||
c4ea79bf BP |
2630 | if (file_ver |
2631 | && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
27527aa0 | 2632 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests); |
0199c526 BP |
2633 | } |
2634 | } | |
2635 | transact_multiple_noreply(vconn, &requests); | |
2636 | vconn_close(vconn); | |
2637 | ||
2638 | fte_free_all(&cls); | |
2639 | } | |
2640 | ||
2641 | static void | |
2642 | read_flows_from_source(const char *source, struct classifier *cls, int index) | |
2643 | { | |
2644 | struct stat s; | |
2645 | ||
2646 | if (source[0] == '/' || source[0] == '.' | |
2647 | || (!strchr(source, ':') && !stat(source, &s))) { | |
2648 | read_flows_from_file(source, cls, index); | |
2649 | } else { | |
27527aa0 | 2650 | enum ofputil_protocol protocol; |
0199c526 BP |
2651 | struct vconn *vconn; |
2652 | ||
27527aa0 BP |
2653 | protocol = open_vconn(source, &vconn); |
2654 | protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY); | |
2655 | read_flows_from_switch(vconn, protocol, cls, index); | |
0199c526 BP |
2656 | vconn_close(vconn); |
2657 | } | |
2658 | } | |
2659 | ||
2660 | static void | |
e1fef0f9 | 2661 | ofctl_diff_flows(int argc OVS_UNUSED, char *argv[]) |
0199c526 BP |
2662 | { |
2663 | bool differences = false; | |
0199c526 | 2664 | struct classifier cls; |
98f7f427 | 2665 | struct ds a_s, b_s; |
0199c526 BP |
2666 | struct fte *fte; |
2667 | ||
476f36e8 | 2668 | classifier_init(&cls, NULL); |
0199c526 BP |
2669 | read_flows_from_source(argv[1], &cls, 0); |
2670 | read_flows_from_source(argv[2], &cls, 1); | |
2671 | ||
98f7f427 BP |
2672 | ds_init(&a_s); |
2673 | ds_init(&b_s); | |
2674 | ||
5f0476ce | 2675 | CLS_FOR_EACH (fte, rule, &cls) { |
0199c526 BP |
2676 | struct fte_version *a = fte->versions[0]; |
2677 | struct fte_version *b = fte->versions[1]; | |
2678 | ||
2679 | if (!a || !b || !fte_version_equals(a, b)) { | |
98f7f427 BP |
2680 | fte_version_format(fte, 0, &a_s); |
2681 | fte_version_format(fte, 1, &b_s); | |
2682 | if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) { | |
2683 | if (a_s.length) { | |
2684 | printf("-%s", ds_cstr(&a_s)); | |
2685 | } | |
2686 | if (b_s.length) { | |
2687 | printf("+%s", ds_cstr(&b_s)); | |
2688 | } | |
2689 | differences = true; | |
0199c526 | 2690 | } |
0199c526 BP |
2691 | } |
2692 | } | |
2693 | ||
98f7f427 BP |
2694 | ds_destroy(&a_s); |
2695 | ds_destroy(&b_s); | |
2696 | ||
0199c526 BP |
2697 | fte_free_all(&cls); |
2698 | ||
2699 | if (differences) { | |
2700 | exit(2); | |
2701 | } | |
2702 | } | |
3200ed58 JR |
2703 | |
2704 | static void | |
2705 | ofctl_meter_mod__(const char *bridge, const char *str, int command) | |
2706 | { | |
2707 | struct ofputil_meter_mod mm; | |
2708 | struct vconn *vconn; | |
2709 | enum ofputil_protocol protocol; | |
2710 | enum ofputil_protocol usable_protocols; | |
2711 | enum ofp_version version; | |
2712 | ||
2713 | if (str) { | |
2714 | char *error; | |
2715 | error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols); | |
2716 | if (error) { | |
2717 | ovs_fatal(0, "%s", error); | |
2718 | } | |
2719 | } else { | |
2720 | usable_protocols = OFPUTIL_P_OF13_UP; | |
2721 | mm.command = command; | |
2722 | mm.meter.meter_id = OFPM13_ALL; | |
2723 | } | |
2724 | ||
2725 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
2726 | version = ofputil_protocol_to_ofp_version(protocol); | |
2727 | transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm)); | |
2728 | vconn_close(vconn); | |
2729 | } | |
2730 | ||
2731 | static void | |
2732 | ofctl_meter_request__(const char *bridge, const char *str, | |
2733 | enum ofputil_meter_request_type type) | |
2734 | { | |
2735 | struct ofputil_meter_mod mm; | |
2736 | struct vconn *vconn; | |
2737 | enum ofputil_protocol usable_protocols; | |
2738 | enum ofputil_protocol protocol; | |
2739 | enum ofp_version version; | |
2740 | ||
2741 | if (str) { | |
2742 | char *error; | |
2743 | error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols); | |
2744 | if (error) { | |
2745 | ovs_fatal(0, "%s", error); | |
2746 | } | |
2747 | } else { | |
2748 | usable_protocols = OFPUTIL_P_OF13_UP; | |
2749 | mm.meter.meter_id = OFPM13_ALL; | |
2750 | } | |
2751 | ||
2752 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
2753 | version = ofputil_protocol_to_ofp_version(protocol); | |
2754 | transact_noreply(vconn, ofputil_encode_meter_request(version, | |
2755 | type, | |
2756 | mm.meter.meter_id)); | |
2757 | vconn_close(vconn); | |
2758 | } | |
2759 | ||
2760 | ||
2761 | static void | |
2762 | ofctl_add_meter(int argc OVS_UNUSED, char *argv[]) | |
2763 | { | |
2764 | ofctl_meter_mod__(argv[1], argv[2], OFPMC13_ADD); | |
2765 | } | |
2766 | ||
2767 | static void | |
2768 | ofctl_mod_meter(int argc OVS_UNUSED, char *argv[]) | |
2769 | { | |
2770 | ofctl_meter_mod__(argv[1], argv[2], OFPMC13_MODIFY); | |
2771 | } | |
2772 | ||
2773 | static void | |
2774 | ofctl_del_meters(int argc, char *argv[]) | |
2775 | { | |
2776 | ofctl_meter_mod__(argv[1], argc > 2 ? argv[2] : NULL, OFPMC13_DELETE); | |
2777 | } | |
2778 | ||
2779 | static void | |
2780 | ofctl_dump_meters(int argc, char *argv[]) | |
2781 | { | |
2782 | ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL, | |
2783 | OFPUTIL_METER_CONFIG); | |
2784 | } | |
2785 | ||
2786 | static void | |
2787 | ofctl_meter_stats(int argc, char *argv[]) | |
2788 | { | |
2789 | ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL, | |
2790 | OFPUTIL_METER_STATS); | |
2791 | } | |
2792 | ||
2793 | static void | |
2794 | ofctl_meter_features(int argc OVS_UNUSED, char *argv[]) | |
2795 | { | |
2796 | ofctl_meter_request__(argv[1], NULL, OFPUTIL_METER_FEATURES); | |
2797 | } | |
2798 | ||
0199c526 | 2799 | \f |
09246b99 BP |
2800 | /* Undocumented commands for unit testing. */ |
2801 | ||
770f1f66 | 2802 | static void |
db0b6c29 JR |
2803 | ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms, |
2804 | enum ofputil_protocol usable_protocols) | |
770f1f66 | 2805 | { |
27527aa0 BP |
2806 | enum ofputil_protocol protocol = 0; |
2807 | char *usable_s; | |
2808 | size_t i; | |
770f1f66 | 2809 | |
27527aa0 BP |
2810 | usable_s = ofputil_protocols_to_string(usable_protocols); |
2811 | printf("usable protocols: %s\n", usable_s); | |
2812 | free(usable_s); | |
2813 | ||
2814 | if (!(usable_protocols & allowed_protocols)) { | |
2815 | ovs_fatal(0, "no usable protocol"); | |
2816 | } | |
2817 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
2818 | protocol = 1 << i; | |
2819 | if (protocol & usable_protocols & allowed_protocols) { | |
2820 | break; | |
2821 | } | |
2822 | } | |
cc2862a9 | 2823 | ovs_assert(is_pow2(protocol)); |
27527aa0 BP |
2824 | |
2825 | printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol)); | |
2826 | ||
2827 | for (i = 0; i < n_fms; i++) { | |
2828 | struct ofputil_flow_mod *fm = &fms[i]; | |
2829 | struct ofpbuf *msg; | |
2830 | ||
2831 | msg = ofputil_encode_flow_mod(fm, protocol); | |
6fd6ed71 | 2832 | ofp_print(stdout, msg->data, msg->size, verbosity); |
27527aa0 BP |
2833 | ofpbuf_delete(msg); |
2834 | ||
dc723c44 | 2835 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
770f1f66 BP |
2836 | } |
2837 | } | |
2838 | ||
2839 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
2840 | * it back to stdout. */ | |
2841 | static void | |
e1fef0f9 | 2842 | ofctl_parse_flow(int argc OVS_UNUSED, char *argv[]) |
770f1f66 | 2843 | { |
db0b6c29 | 2844 | enum ofputil_protocol usable_protocols; |
27527aa0 | 2845 | struct ofputil_flow_mod fm; |
bdda5aca | 2846 | char *error; |
770f1f66 | 2847 | |
ba2fe8e9 | 2848 | error = parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD, &usable_protocols); |
bdda5aca BP |
2849 | if (error) { |
2850 | ovs_fatal(0, "%s", error); | |
2851 | } | |
db0b6c29 | 2852 | ofctl_parse_flows__(&fm, 1, usable_protocols); |
770f1f66 BP |
2853 | } |
2854 | ||
fec00620 BP |
2855 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
2856 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 | 2857 | static void |
e1fef0f9 | 2858 | ofctl_parse_flows(int argc OVS_UNUSED, char *argv[]) |
0e581146 | 2859 | { |
db0b6c29 | 2860 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
2861 | struct ofputil_flow_mod *fms = NULL; |
2862 | size_t n_fms = 0; | |
bdda5aca | 2863 | char *error; |
0e581146 | 2864 | |
db0b6c29 | 2865 | error = parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms, |
ba2fe8e9 | 2866 | &usable_protocols); |
bdda5aca BP |
2867 | if (error) { |
2868 | ovs_fatal(0, "%s", error); | |
2869 | } | |
db0b6c29 | 2870 | ofctl_parse_flows__(fms, n_fms, usable_protocols); |
27527aa0 | 2871 | free(fms); |
0e581146 BP |
2872 | } |
2873 | ||
064af421 | 2874 | static void |
9d84066c | 2875 | ofctl_parse_nxm__(bool oxm, enum ofp_version version) |
09246b99 BP |
2876 | { |
2877 | struct ds in; | |
2878 | ||
2879 | ds_init(&in); | |
06d7ae7d | 2880 | while (!ds_get_test_line(&in, stdin)) { |
09246b99 | 2881 | struct ofpbuf nx_match; |
81a76618 | 2882 | struct match match; |
e729e793 | 2883 | ovs_be64 cookie, cookie_mask; |
90bf1e07 | 2884 | enum ofperr error; |
09246b99 | 2885 | int match_len; |
09246b99 BP |
2886 | |
2887 | /* Convert string to nx_match. */ | |
2888 | ofpbuf_init(&nx_match, 0); | |
7623f4dd SH |
2889 | if (oxm) { |
2890 | match_len = oxm_match_from_string(ds_cstr(&in), &nx_match); | |
2891 | } else { | |
2892 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
2893 | } | |
09246b99 | 2894 | |
81a76618 | 2895 | /* Convert nx_match to match. */ |
102ce766 | 2896 | if (strict) { |
7623f4dd | 2897 | if (oxm) { |
81a76618 | 2898 | error = oxm_pull_match(&nx_match, &match); |
7623f4dd | 2899 | } else { |
81a76618 | 2900 | error = nx_pull_match(&nx_match, match_len, &match, |
7623f4dd SH |
2901 | &cookie, &cookie_mask); |
2902 | } | |
102ce766 | 2903 | } else { |
7623f4dd | 2904 | if (oxm) { |
81a76618 | 2905 | error = oxm_pull_match_loose(&nx_match, &match); |
7623f4dd | 2906 | } else { |
81a76618 | 2907 | error = nx_pull_match_loose(&nx_match, match_len, &match, |
7623f4dd SH |
2908 | &cookie, &cookie_mask); |
2909 | } | |
102ce766 EJ |
2910 | } |
2911 | ||
7623f4dd | 2912 | |
09246b99 BP |
2913 | if (!error) { |
2914 | char *out; | |
2915 | ||
81a76618 | 2916 | /* Convert match back to nx_match. */ |
09246b99 BP |
2917 | ofpbuf_uninit(&nx_match); |
2918 | ofpbuf_init(&nx_match, 0); | |
7623f4dd | 2919 | if (oxm) { |
9d84066c | 2920 | match_len = oxm_put_match(&nx_match, &match, version); |
db5a1019 | 2921 | out = oxm_match_to_string(&nx_match, match_len); |
7623f4dd | 2922 | } else { |
81a76618 | 2923 | match_len = nx_put_match(&nx_match, &match, |
7623f4dd | 2924 | cookie, cookie_mask); |
6fd6ed71 | 2925 | out = nx_match_to_string(nx_match.data, match_len); |
7623f4dd | 2926 | } |
09246b99 | 2927 | |
09246b99 BP |
2928 | puts(out); |
2929 | free(out); | |
508a9338 BP |
2930 | |
2931 | if (verbosity > 0) { | |
6fd6ed71 | 2932 | ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false); |
508a9338 | 2933 | } |
09246b99 | 2934 | } else { |
90bf1e07 BP |
2935 | printf("nx_pull_match() returned error %s\n", |
2936 | ofperr_get_name(error)); | |
09246b99 BP |
2937 | } |
2938 | ||
2939 | ofpbuf_uninit(&nx_match); | |
2940 | } | |
2941 | ds_destroy(&in); | |
064af421 BP |
2942 | } |
2943 | ||
b5ae8913 SH |
2944 | /* "parse-nxm": reads a series of NXM nx_match specifications as strings from |
2945 | * stdin, does some internal fussing with them, and then prints them back as | |
2946 | * strings on stdout. */ | |
2947 | static void | |
e1fef0f9 | 2948 | ofctl_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
b5ae8913 | 2949 | { |
2f4aba0b | 2950 | ofctl_parse_nxm__(false, 0); |
b5ae8913 SH |
2951 | } |
2952 | ||
9d84066c BP |
2953 | /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as |
2954 | * strings from stdin, does some internal fussing with them, and then prints | |
2955 | * them back as strings on stdout. VERSION must specify an OpenFlow version, | |
2956 | * e.g. "OpenFlow12". */ | |
b5ae8913 | 2957 | static void |
9d84066c | 2958 | ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[]) |
b5ae8913 | 2959 | { |
9d84066c BP |
2960 | enum ofp_version version = ofputil_version_from_string(argv[1]); |
2961 | if (version < OFP12_VERSION) { | |
2962 | ovs_fatal(0, "%s: not a valid version for OXM", argv[1]); | |
2963 | } | |
2964 | ||
2f4aba0b | 2965 | ofctl_parse_nxm__(true, version); |
b5ae8913 SH |
2966 | } |
2967 | ||
f25d0cf3 | 2968 | static void |
96628ae8 BP |
2969 | print_differences(const char *prefix, |
2970 | const void *a_, size_t a_len, | |
f25d0cf3 BP |
2971 | const void *b_, size_t b_len) |
2972 | { | |
2973 | const uint8_t *a = a_; | |
2974 | const uint8_t *b = b_; | |
2975 | size_t i; | |
2976 | ||
2977 | for (i = 0; i < MIN(a_len, b_len); i++) { | |
2978 | if (a[i] != b[i]) { | |
34582733 | 2979 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n", |
96628ae8 | 2980 | prefix, i, a[i], b[i]); |
f25d0cf3 BP |
2981 | } |
2982 | } | |
2983 | for (i = a_len; i < b_len; i++) { | |
34582733 | 2984 | printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]); |
f25d0cf3 BP |
2985 | } |
2986 | for (i = b_len; i < a_len; i++) { | |
34582733 | 2987 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]); |
f25d0cf3 BP |
2988 | } |
2989 | } | |
2990 | ||
f25d0cf3 | 2991 | static void |
65a8a59e | 2992 | ofctl_parse_actions__(const char *version_s, bool instructions) |
f25d0cf3 | 2993 | { |
65a8a59e | 2994 | enum ofp_version version; |
f25d0cf3 BP |
2995 | struct ds in; |
2996 | ||
65a8a59e BP |
2997 | version = ofputil_version_from_string(version_s); |
2998 | if (!version) { | |
2999 | ovs_fatal(0, "%s: not a valid OpenFlow version", version_s); | |
3000 | } | |
3001 | ||
f25d0cf3 | 3002 | ds_init(&in); |
bdda5aca | 3003 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
65a8a59e BP |
3004 | struct ofpbuf of_out; |
3005 | struct ofpbuf of_in; | |
f25d0cf3 | 3006 | struct ofpbuf ofpacts; |
65a8a59e BP |
3007 | const char *table_id; |
3008 | char *actions; | |
f25d0cf3 BP |
3009 | enum ofperr error; |
3010 | size_t size; | |
3011 | struct ds s; | |
3012 | ||
65a8a59e BP |
3013 | /* Parse table_id separated with the follow-up actions by ",", if |
3014 | * any. */ | |
3015 | actions = ds_cstr(&in); | |
3016 | table_id = NULL; | |
3017 | if (strstr(actions, ",")) { | |
3018 | table_id = strsep(&actions, ","); | |
3019 | } | |
3020 | ||
f25d0cf3 | 3021 | /* Parse hex bytes. */ |
65a8a59e BP |
3022 | ofpbuf_init(&of_in, 0); |
3023 | if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') { | |
f25d0cf3 BP |
3024 | ovs_fatal(0, "Trailing garbage in hex data"); |
3025 | } | |
3026 | ||
3027 | /* Convert to ofpacts. */ | |
3028 | ofpbuf_init(&ofpacts, 0); | |
6fd6ed71 | 3029 | size = of_in.size; |
8f2cded4 BP |
3030 | error = (instructions |
3031 | ? ofpacts_pull_openflow_instructions | |
3032 | : ofpacts_pull_openflow_actions)( | |
6fd6ed71 | 3033 | &of_in, of_in.size, version, &ofpacts); |
65a8a59e BP |
3034 | if (!error && instructions) { |
3035 | /* Verify actions, enforce consistency. */ | |
3036 | enum ofputil_protocol protocol; | |
3037 | struct flow flow; | |
3038 | ||
3039 | memset(&flow, 0, sizeof flow); | |
3040 | protocol = ofputil_protocols_from_ofp_version(version); | |
6fd6ed71 | 3041 | error = ofpacts_check_consistency(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3042 | &flow, OFPP_MAX, |
3043 | table_id ? atoi(table_id) : 0, | |
3044 | 255, protocol); | |
3045 | } | |
f25d0cf3 | 3046 | if (error) { |
65a8a59e BP |
3047 | printf("bad %s %s: %s\n\n", |
3048 | version_s, instructions ? "instructions" : "actions", | |
3049 | ofperr_get_name(error)); | |
f25d0cf3 | 3050 | ofpbuf_uninit(&ofpacts); |
65a8a59e | 3051 | ofpbuf_uninit(&of_in); |
f25d0cf3 BP |
3052 | continue; |
3053 | } | |
65a8a59e | 3054 | ofpbuf_push_uninit(&of_in, size); |
f25d0cf3 BP |
3055 | |
3056 | /* Print cls_rule. */ | |
3057 | ds_init(&s); | |
455ecd77 | 3058 | ds_put_cstr(&s, "actions="); |
6fd6ed71 | 3059 | ofpacts_format(ofpacts.data, ofpacts.size, &s); |
f25d0cf3 BP |
3060 | puts(ds_cstr(&s)); |
3061 | ds_destroy(&s); | |
3062 | ||
3063 | /* Convert back to ofp10 actions and print differences from input. */ | |
65a8a59e BP |
3064 | ofpbuf_init(&of_out, 0); |
3065 | if (instructions) { | |
6fd6ed71 PS |
3066 | ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size, |
3067 | &of_out, version); | |
65a8a59e | 3068 | } else { |
6fd6ed71 | 3069 | ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3070 | &of_out, version); |
3071 | } | |
f25d0cf3 | 3072 | |
6fd6ed71 PS |
3073 | print_differences("", of_in.data, of_in.size, |
3074 | of_out.data, of_out.size); | |
f25d0cf3 BP |
3075 | putchar('\n'); |
3076 | ||
3077 | ofpbuf_uninit(&ofpacts); | |
65a8a59e BP |
3078 | ofpbuf_uninit(&of_in); |
3079 | ofpbuf_uninit(&of_out); | |
f25d0cf3 BP |
3080 | } |
3081 | ds_destroy(&in); | |
3082 | } | |
3083 | ||
65a8a59e BP |
3084 | /* "parse-actions VERSION": reads a series of action specifications for the |
3085 | * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts, | |
3086 | * prints them as strings on stdout, and then converts them back to hex bytes | |
3087 | * and prints any differences from the input. */ | |
8f2cded4 | 3088 | static void |
65a8a59e | 3089 | ofctl_parse_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
8f2cded4 | 3090 | { |
65a8a59e | 3091 | ofctl_parse_actions__(argv[1], false); |
8f2cded4 BP |
3092 | } |
3093 | ||
65a8a59e BP |
3094 | /* "parse-actions VERSION": reads a series of instruction specifications for |
3095 | * the given OpenFlow VERSION as hex bytes from stdin, converts them to | |
3096 | * ofpacts, prints them as strings on stdout, and then converts them back to | |
3097 | * hex bytes and prints any differences from the input. */ | |
8f2cded4 | 3098 | static void |
65a8a59e | 3099 | ofctl_parse_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
8f2cded4 | 3100 | { |
65a8a59e | 3101 | ofctl_parse_actions__(argv[1], true); |
8f2cded4 BP |
3102 | } |
3103 | ||
96628ae8 BP |
3104 | /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex |
3105 | * bytes from stdin, converts them to cls_rules, prints them as strings on | |
3106 | * stdout, and then converts them back to hex bytes and prints any differences | |
8812ec2c BP |
3107 | * from the input. |
3108 | * | |
3109 | * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose | |
3110 | * values are ignored in the input and will be set to zero when OVS converts | |
3111 | * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when | |
3112 | * it does the conversion to hex, to ensure that in fact they are ignored. */ | |
96628ae8 BP |
3113 | static void |
3114 | ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
3115 | { | |
8812ec2c | 3116 | struct ds expout; |
96628ae8 BP |
3117 | struct ds in; |
3118 | ||
3119 | ds_init(&in); | |
8812ec2c | 3120 | ds_init(&expout); |
bdda5aca | 3121 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
8812ec2c | 3122 | struct ofpbuf match_in, match_expout; |
96628ae8 BP |
3123 | struct ofp10_match match_out; |
3124 | struct ofp10_match match_normal; | |
81a76618 | 3125 | struct match match; |
8812ec2c BP |
3126 | char *p; |
3127 | ||
3128 | /* Parse hex bytes to use for expected output. */ | |
3129 | ds_clear(&expout); | |
3130 | ds_put_cstr(&expout, ds_cstr(&in)); | |
3131 | for (p = ds_cstr(&expout); *p; p++) { | |
3132 | if (*p == 'x') { | |
3133 | *p = '0'; | |
3134 | } | |
3135 | } | |
3136 | ofpbuf_init(&match_expout, 0); | |
3137 | if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') { | |
3138 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3139 | } | |
6fd6ed71 | 3140 | if (match_expout.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3141 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3142 | match_expout.size, sizeof(struct ofp10_match)); |
8812ec2c | 3143 | } |
96628ae8 | 3144 | |
8812ec2c BP |
3145 | /* Parse hex bytes for input. */ |
3146 | for (p = ds_cstr(&in); *p; p++) { | |
3147 | if (*p == 'x') { | |
3148 | *p = "0123456789abcdef"[random_uint32() & 0xf]; | |
3149 | } | |
3150 | } | |
96628ae8 BP |
3151 | ofpbuf_init(&match_in, 0); |
3152 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3153 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3154 | } | |
6fd6ed71 | 3155 | if (match_in.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3156 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3157 | match_in.size, sizeof(struct ofp10_match)); |
96628ae8 BP |
3158 | } |
3159 | ||
3160 | /* Convert to cls_rule and print. */ | |
6fd6ed71 | 3161 | ofputil_match_from_ofp10_match(match_in.data, &match); |
81a76618 | 3162 | match_print(&match); |
96628ae8 BP |
3163 | |
3164 | /* Convert back to ofp10_match and print differences from input. */ | |
81a76618 | 3165 | ofputil_match_to_ofp10_match(&match, &match_out); |
6fd6ed71 | 3166 | print_differences("", match_expout.data, match_expout.size, |
96628ae8 BP |
3167 | &match_out, sizeof match_out); |
3168 | ||
3169 | /* Normalize, then convert and compare again. */ | |
81a76618 BP |
3170 | ofputil_normalize_match(&match); |
3171 | ofputil_match_to_ofp10_match(&match, &match_normal); | |
96628ae8 BP |
3172 | print_differences("normal: ", &match_out, sizeof match_out, |
3173 | &match_normal, sizeof match_normal); | |
3174 | putchar('\n'); | |
3175 | ||
3176 | ofpbuf_uninit(&match_in); | |
8812ec2c | 3177 | ofpbuf_uninit(&match_expout); |
96628ae8 BP |
3178 | } |
3179 | ds_destroy(&in); | |
8812ec2c | 3180 | ds_destroy(&expout); |
96628ae8 BP |
3181 | } |
3182 | ||
410698cf | 3183 | /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex |
81a76618 BP |
3184 | * bytes from stdin, converts them to "struct match"es, prints them as strings |
3185 | * on stdout, and then converts them back to hex bytes and prints any | |
3186 | * differences from the input. */ | |
410698cf | 3187 | static void |
e1fef0f9 | 3188 | ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) |
410698cf BP |
3189 | { |
3190 | struct ds in; | |
3191 | ||
3192 | ds_init(&in); | |
bdda5aca | 3193 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
410698cf BP |
3194 | struct ofpbuf match_in; |
3195 | struct ofp11_match match_out; | |
81a76618 | 3196 | struct match match; |
410698cf | 3197 | enum ofperr error; |
410698cf BP |
3198 | |
3199 | /* Parse hex bytes. */ | |
3200 | ofpbuf_init(&match_in, 0); | |
3201 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3202 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3203 | } | |
6fd6ed71 | 3204 | if (match_in.size != sizeof(struct ofp11_match)) { |
437d0d22 | 3205 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3206 | match_in.size, sizeof(struct ofp11_match)); |
410698cf BP |
3207 | } |
3208 | ||
81a76618 | 3209 | /* Convert to match. */ |
6fd6ed71 | 3210 | error = ofputil_match_from_ofp11_match(match_in.data, &match); |
410698cf BP |
3211 | if (error) { |
3212 | printf("bad ofp11_match: %s\n\n", ofperr_get_name(error)); | |
3213 | ofpbuf_uninit(&match_in); | |
3214 | continue; | |
3215 | } | |
3216 | ||
81a76618 BP |
3217 | /* Print match. */ |
3218 | match_print(&match); | |
410698cf BP |
3219 | |
3220 | /* Convert back to ofp11_match and print differences from input. */ | |
81a76618 | 3221 | ofputil_match_to_ofp11_match(&match, &match_out); |
410698cf | 3222 | |
6fd6ed71 | 3223 | print_differences("", match_in.data, match_in.size, |
d01c980f BP |
3224 | &match_out, sizeof match_out); |
3225 | putchar('\n'); | |
410698cf | 3226 | |
d01c980f BP |
3227 | ofpbuf_uninit(&match_in); |
3228 | } | |
3229 | ds_destroy(&in); | |
3230 | } | |
3231 | ||
14249c02 BP |
3232 | /* "parse-pcap PCAP": read packets from PCAP and print their flows. */ |
3233 | static void | |
3234 | ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[]) | |
3235 | { | |
3236 | FILE *pcap; | |
3237 | ||
50aa0364 | 3238 | pcap = ovs_pcap_open(argv[1], "rb"); |
14249c02 BP |
3239 | if (!pcap) { |
3240 | ovs_fatal(errno, "%s: open failed", argv[1]); | |
3241 | } | |
3242 | ||
3243 | for (;;) { | |
cf62fa4c | 3244 | struct dp_packet *packet; |
14249c02 BP |
3245 | struct flow flow; |
3246 | int error; | |
3247 | ||
50aa0364 | 3248 | error = ovs_pcap_read(pcap, &packet, NULL); |
14249c02 BP |
3249 | if (error == EOF) { |
3250 | break; | |
3251 | } else if (error) { | |
3252 | ovs_fatal(error, "%s: read failed", argv[1]); | |
3253 | } | |
3254 | ||
cf62fa4c PS |
3255 | packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE); |
3256 | flow_extract(packet, &flow); | |
14249c02 BP |
3257 | flow_print(stdout, &flow); |
3258 | putchar('\n'); | |
cf62fa4c | 3259 | dp_packet_delete(packet); |
14249c02 BP |
3260 | } |
3261 | } | |
3262 | ||
df778240 BP |
3263 | /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and |
3264 | * mask values to and from various formats and prints the results. */ | |
3265 | static void | |
3266 | ofctl_check_vlan(int argc OVS_UNUSED, char *argv[]) | |
3267 | { | |
81a76618 | 3268 | struct match match; |
df778240 BP |
3269 | |
3270 | char *string_s; | |
3271 | struct ofputil_flow_mod fm; | |
3272 | ||
3273 | struct ofpbuf nxm; | |
81a76618 | 3274 | struct match nxm_match; |
df778240 BP |
3275 | int nxm_match_len; |
3276 | char *nxm_s; | |
3277 | ||
81a76618 BP |
3278 | struct ofp10_match of10_raw; |
3279 | struct match of10_match; | |
df778240 | 3280 | |
81a76618 BP |
3281 | struct ofp11_match of11_raw; |
3282 | struct match of11_match; | |
df778240 BP |
3283 | |
3284 | enum ofperr error; | |
bdda5aca | 3285 | char *error_s; |
df778240 | 3286 | |
db0b6c29 JR |
3287 | enum ofputil_protocol usable_protocols; /* Unused for now. */ |
3288 | ||
81a76618 BP |
3289 | match_init_catchall(&match); |
3290 | match.flow.vlan_tci = htons(strtoul(argv[1], NULL, 16)); | |
3291 | match.wc.masks.vlan_tci = htons(strtoul(argv[2], NULL, 16)); | |
df778240 BP |
3292 | |
3293 | /* Convert to and from string. */ | |
81a76618 | 3294 | string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY); |
df778240 BP |
3295 | printf("%s -> ", string_s); |
3296 | fflush(stdout); | |
ba2fe8e9 | 3297 | error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols); |
bdda5aca BP |
3298 | if (error_s) { |
3299 | ovs_fatal(0, "%s", error_s); | |
3300 | } | |
df778240 | 3301 | printf("%04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3302 | ntohs(fm.match.flow.vlan_tci), |
3303 | ntohs(fm.match.wc.masks.vlan_tci)); | |
4d859fa9 | 3304 | free(string_s); |
df778240 BP |
3305 | |
3306 | /* Convert to and from NXM. */ | |
3307 | ofpbuf_init(&nxm, 0); | |
81a76618 | 3308 | nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0)); |
6fd6ed71 | 3309 | nxm_s = nx_match_to_string(nxm.data, nxm_match_len); |
81a76618 | 3310 | error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL); |
df778240 BP |
3311 | printf("NXM: %s -> ", nxm_s); |
3312 | if (error) { | |
3313 | printf("%s\n", ofperr_to_string(error)); | |
3314 | } else { | |
3315 | printf("%04"PRIx16"/%04"PRIx16"\n", | |
81a76618 BP |
3316 | ntohs(nxm_match.flow.vlan_tci), |
3317 | ntohs(nxm_match.wc.masks.vlan_tci)); | |
df778240 BP |
3318 | } |
3319 | free(nxm_s); | |
3320 | ofpbuf_uninit(&nxm); | |
3321 | ||
476a0e9e SH |
3322 | /* Convert to and from OXM. */ |
3323 | ofpbuf_init(&nxm, 0); | |
9d84066c | 3324 | nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION); |
db5a1019 | 3325 | nxm_s = oxm_match_to_string(&nxm, nxm_match_len); |
81a76618 | 3326 | error = oxm_pull_match(&nxm, &nxm_match); |
476a0e9e SH |
3327 | printf("OXM: %s -> ", nxm_s); |
3328 | if (error) { | |
3329 | printf("%s\n", ofperr_to_string(error)); | |
3330 | } else { | |
81a76618 | 3331 | uint16_t vid = ntohs(nxm_match.flow.vlan_tci) & |
476a0e9e | 3332 | (VLAN_VID_MASK | VLAN_CFI); |
81a76618 | 3333 | uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) & |
476a0e9e SH |
3334 | (VLAN_VID_MASK | VLAN_CFI); |
3335 | ||
3336 | printf("%04"PRIx16"/%04"PRIx16",", vid, mask); | |
81a76618 BP |
3337 | if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) { |
3338 | printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci)); | |
476a0e9e SH |
3339 | } else { |
3340 | printf("--\n"); | |
3341 | } | |
3342 | } | |
3343 | free(nxm_s); | |
3344 | ofpbuf_uninit(&nxm); | |
3345 | ||
df778240 | 3346 | /* Convert to and from OpenFlow 1.0. */ |
81a76618 BP |
3347 | ofputil_match_to_ofp10_match(&match, &of10_raw); |
3348 | ofputil_match_from_ofp10_match(&of10_raw, &of10_match); | |
df778240 | 3349 | printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3350 | ntohs(of10_raw.dl_vlan), |
3351 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0, | |
3352 | of10_raw.dl_vlan_pcp, | |
3353 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0, | |
3354 | ntohs(of10_match.flow.vlan_tci), | |
3355 | ntohs(of10_match.wc.masks.vlan_tci)); | |
df778240 BP |
3356 | |
3357 | /* Convert to and from OpenFlow 1.1. */ | |
81a76618 BP |
3358 | ofputil_match_to_ofp11_match(&match, &of11_raw); |
3359 | ofputil_match_from_ofp11_match(&of11_raw, &of11_match); | |
df778240 | 3360 | printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3361 | ntohs(of11_raw.dl_vlan), |
3362 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0, | |
3363 | of11_raw.dl_vlan_pcp, | |
3364 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0, | |
3365 | ntohs(of11_match.flow.vlan_tci), | |
3366 | ntohs(of11_match.wc.masks.vlan_tci)); | |
df778240 BP |
3367 | } |
3368 | ||
2e0525bc SH |
3369 | /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow |
3370 | * version. */ | |
3371 | static void | |
e1fef0f9 | 3372 | ofctl_print_error(int argc OVS_UNUSED, char *argv[]) |
2e0525bc SH |
3373 | { |
3374 | enum ofperr error; | |
3375 | int version; | |
3376 | ||
3377 | error = ofperr_from_name(argv[1]); | |
3378 | if (!error) { | |
3379 | ovs_fatal(0, "unknown error \"%s\"", argv[1]); | |
3380 | } | |
3381 | ||
3382 | for (version = 0; version <= UINT8_MAX; version++) { | |
688e86e1 | 3383 | const char *name = ofperr_domain_get_name(version); |
514887ee BP |
3384 | if (name) { |
3385 | int vendor = ofperr_get_vendor(error, version); | |
3386 | int type = ofperr_get_type(error, version); | |
3387 | int code = ofperr_get_code(error, version); | |
3388 | ||
3389 | if (vendor != -1 || type != -1 || code != -1) { | |
3390 | printf("%s: vendor %#x, type %d, code %d\n", | |
3391 | name, vendor, type, code); | |
3392 | } | |
2e0525bc | 3393 | } |
2e0525bc SH |
3394 | } |
3395 | } | |
3396 | ||
edd70aa7 BP |
3397 | /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the |
3398 | * error named ENUM and prints the error reply in hex. */ | |
3399 | static void | |
3400 | ofctl_encode_error_reply(int argc OVS_UNUSED, char *argv[]) | |
3401 | { | |
3402 | const struct ofp_header *oh; | |
3403 | struct ofpbuf request, *reply; | |
3404 | enum ofperr error; | |
3405 | ||
3406 | error = ofperr_from_name(argv[1]); | |
3407 | if (!error) { | |
3408 | ovs_fatal(0, "unknown error \"%s\"", argv[1]); | |
3409 | } | |
3410 | ||
3411 | ofpbuf_init(&request, 0); | |
3412 | if (ofpbuf_put_hex(&request, argv[2], NULL)[0] != '\0') { | |
3413 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3414 | } | |
6fd6ed71 | 3415 | if (request.size < sizeof(struct ofp_header)) { |
edd70aa7 BP |
3416 | ovs_fatal(0, "Request too short"); |
3417 | } | |
3418 | ||
6fd6ed71 PS |
3419 | oh = request.data; |
3420 | if (request.size != ntohs(oh->length)) { | |
edd70aa7 BP |
3421 | ovs_fatal(0, "Request size inconsistent"); |
3422 | } | |
3423 | ||
6fd6ed71 | 3424 | reply = ofperr_encode_reply(error, request.data); |
edd70aa7 BP |
3425 | ofpbuf_uninit(&request); |
3426 | ||
6fd6ed71 | 3427 | ovs_hex_dump(stdout, reply->data, reply->size, 0, false); |
edd70aa7 BP |
3428 | ofpbuf_delete(reply); |
3429 | } | |
3430 | ||
fec00620 BP |
3431 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
3432 | * binary data, interpreting them as an OpenFlow message, and prints the | |
8b227701 GS |
3433 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). |
3434 | * | |
3435 | * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where | |
3436 | * HEXSTRING_FILE contains the HEXSTRING. */ | |
fec00620 | 3437 | static void |
e1fef0f9 | 3438 | ofctl_ofp_print(int argc, char *argv[]) |
fec00620 BP |
3439 | { |
3440 | struct ofpbuf packet; | |
8b227701 GS |
3441 | char *buffer; |
3442 | int verbosity = 2; | |
3443 | struct ds line; | |
3444 | ||
3445 | ds_init(&line); | |
3446 | ||
3447 | if (!strcmp(argv[argc-1], "-")) { | |
3448 | if (ds_get_line(&line, stdin)) { | |
3449 | VLOG_FATAL("Failed to read stdin"); | |
3450 | } | |
3451 | ||
3452 | buffer = line.string; | |
3453 | verbosity = argc > 2 ? atoi(argv[1]) : verbosity; | |
3454 | } else if (argc > 2) { | |
3455 | buffer = argv[1]; | |
3456 | verbosity = atoi(argv[2]); | |
3457 | } else { | |
3458 | buffer = argv[1]; | |
3459 | } | |
fec00620 | 3460 | |
8b227701 GS |
3461 | ofpbuf_init(&packet, strlen(buffer) / 2); |
3462 | if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') { | |
fec00620 BP |
3463 | ovs_fatal(0, "trailing garbage following hex bytes"); |
3464 | } | |
6fd6ed71 | 3465 | ofp_print(stdout, packet.data, packet.size, verbosity); |
fec00620 | 3466 | ofpbuf_uninit(&packet); |
8b227701 | 3467 | ds_destroy(&line); |
fec00620 BP |
3468 | } |
3469 | ||
681ea7a0 BP |
3470 | /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message |
3471 | * and dumps each message in hex. */ | |
3472 | static void | |
3473 | ofctl_encode_hello(int argc OVS_UNUSED, char *argv[]) | |
3474 | { | |
3475 | uint32_t bitmap = strtol(argv[1], NULL, 0); | |
3476 | struct ofpbuf *hello; | |
3477 | ||
3478 | hello = ofputil_encode_hello(bitmap); | |
6fd6ed71 PS |
3479 | ovs_hex_dump(stdout, hello->data, hello->size, 0, false); |
3480 | ofp_print(stdout, hello->data, hello->size, verbosity); | |
681ea7a0 BP |
3481 | ofpbuf_delete(hello); |
3482 | } | |
3483 | ||
675febfa | 3484 | static const struct command all_commands[] = { |
451de37e AW |
3485 | { "show", "switch", |
3486 | 1, 1, ofctl_show }, | |
3487 | { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]", | |
3488 | 1, 3, ofctl_monitor }, | |
3489 | { "snoop", "switch", | |
3490 | 1, 1, ofctl_snoop }, | |
3491 | { "dump-desc", "switch", | |
3492 | 1, 1, ofctl_dump_desc }, | |
3493 | { "dump-tables", "switch", | |
3494 | 1, 1, ofctl_dump_tables }, | |
3495 | { "dump-table-features", "switch", | |
3496 | 1, 1, ofctl_dump_table_features }, | |
3497 | { "dump-flows", "switch", | |
3498 | 1, 2, ofctl_dump_flows }, | |
3499 | { "dump-aggregate", "switch", | |
3500 | 1, 2, ofctl_dump_aggregate }, | |
3501 | { "queue-stats", "switch [port [queue]]", | |
3502 | 1, 3, ofctl_queue_stats }, | |
3503 | { "queue-get-config", "switch port", | |
3504 | 2, 2, ofctl_queue_get_config }, | |
3505 | { "add-flow", "switch flow", | |
3506 | 2, 2, ofctl_add_flow }, | |
3507 | { "add-flows", "switch file", | |
3508 | 2, 2, ofctl_add_flows }, | |
3509 | { "mod-flows", "switch flow", | |
3510 | 2, 2, ofctl_mod_flows }, | |
3511 | { "del-flows", "switch [flow]", | |
3512 | 1, 2, ofctl_del_flows }, | |
3513 | { "replace-flows", "switch file", | |
3514 | 2, 2, ofctl_replace_flows }, | |
3515 | { "diff-flows", "source1 source2", | |
3516 | 2, 2, ofctl_diff_flows }, | |
3517 | { "add-meter", "switch meter", | |
3518 | 2, 2, ofctl_add_meter }, | |
3519 | { "mod-meter", "switch meter", | |
3520 | 2, 2, ofctl_mod_meter }, | |
3521 | { "del-meter", "switch meter", | |
3522 | 2, 2, ofctl_del_meters }, | |
3523 | { "del-meters", "switch", | |
3524 | 1, 1, ofctl_del_meters }, | |
3525 | { "dump-meter", "switch meter", | |
3526 | 2, 2, ofctl_dump_meters }, | |
3527 | { "dump-meters", "switch", | |
3528 | 1, 1, ofctl_dump_meters }, | |
3529 | { "meter-stats", "switch [meter]", | |
3530 | 1, 2, ofctl_meter_stats }, | |
3531 | { "meter-features", "switch", | |
3532 | 1, 1, ofctl_meter_features }, | |
3533 | { "packet-out", "switch in_port actions packet...", | |
3534 | 4, INT_MAX, ofctl_packet_out }, | |
3535 | { "dump-ports", "switch [port]", | |
3536 | 1, 2, ofctl_dump_ports }, | |
3537 | { "dump-ports-desc", "switch [port]", | |
3538 | 1, 2, ofctl_dump_ports_desc }, | |
3539 | { "mod-port", "switch iface act", | |
3540 | 3, 3, ofctl_mod_port }, | |
3541 | { "mod-table", "switch mod", | |
3542 | 3, 3, ofctl_mod_table }, | |
3543 | { "get-frags", "switch", | |
3544 | 1, 1, ofctl_get_frags }, | |
3545 | { "set-frags", "switch frag_mode", | |
3546 | 2, 2, ofctl_set_frags }, | |
3547 | { "probe", "target", | |
3548 | 1, 1, ofctl_probe }, | |
3549 | { "ping", "target [n]", | |
3550 | 1, 2, ofctl_ping }, | |
3551 | { "benchmark", "target n count", | |
3552 | 3, 3, ofctl_benchmark }, | |
3553 | ||
3554 | { "ofp-parse", "file", | |
3555 | 1, 1, ofctl_ofp_parse }, | |
3556 | { "ofp-parse-pcap", "pcap", | |
3557 | 1, INT_MAX, ofctl_ofp_parse_pcap }, | |
3558 | ||
3559 | { "add-group", "switch group", | |
3560 | 1, 2, ofctl_add_group }, | |
3561 | { "add-groups", "switch file", | |
3562 | 1, 2, ofctl_add_groups }, | |
3563 | { "mod-group", "switch group", | |
3564 | 1, 2, ofctl_mod_group }, | |
3565 | { "del-groups", "switch [group]", | |
3566 | 1, 2, ofctl_del_groups }, | |
bdbb8426 SH |
3567 | { "insert-buckets", "switch [group]", |
3568 | 1, 2, ofctl_insert_bucket }, | |
3569 | { "remove-buckets", "switch [group]", | |
3570 | 1, 2, ofctl_remove_bucket }, | |
451de37e AW |
3571 | { "dump-groups", "switch [group]", |
3572 | 1, 2, ofctl_dump_group_desc }, | |
3573 | { "dump-group-stats", "switch [group]", | |
3574 | 1, 2, ofctl_dump_group_stats }, | |
3575 | { "dump-group-features", "switch", | |
3576 | 1, 1, ofctl_dump_group_features }, | |
3577 | { "help", NULL, 0, INT_MAX, ofctl_help }, | |
3578 | { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands }, | |
09246b99 BP |
3579 | |
3580 | /* Undocumented commands for testing. */ | |
451de37e AW |
3581 | { "parse-flow", NULL, 1, 1, ofctl_parse_flow }, |
3582 | { "parse-flows", NULL, 1, 1, ofctl_parse_flows }, | |
3583 | { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm }, | |
3584 | { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm }, | |
3585 | { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm }, | |
3586 | { "parse-actions", NULL, 1, 1, ofctl_parse_actions }, | |
3587 | { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions }, | |
3588 | { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match }, | |
3589 | { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match }, | |
3590 | { "parse-pcap", NULL, 1, 1, ofctl_parse_pcap }, | |
3591 | { "check-vlan", NULL, 2, 2, ofctl_check_vlan }, | |
3592 | { "print-error", NULL, 1, 1, ofctl_print_error }, | |
3593 | { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply }, | |
3594 | { "ofp-print", NULL, 1, 2, ofctl_ofp_print }, | |
3595 | { "encode-hello", NULL, 1, 1, ofctl_encode_hello }, | |
3596 | ||
3597 | { NULL, NULL, 0, 0, NULL }, | |
064af421 | 3598 | }; |
3815d6c2 LS |
3599 | |
3600 | static const struct command *get_all_commands(void) | |
3601 | { | |
3602 | return all_commands; | |
3603 | } |