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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 | |
db5076ee JR |
70 | /* --bundle: Use OpenFlow 1.4 bundle for making the flow table change atomic. |
71 | * NOTE: Also the flow mod will use OpenFlow 1.4, so the semantics may be | |
72 | * different (see the comment in parse_options() for details). | |
73 | */ | |
74 | static bool bundle = false; | |
75 | ||
102ce766 EJ |
76 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
77 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
78 | */ | |
675febfa | 79 | static bool strict; |
064af421 | 80 | |
96989efc | 81 | /* --readd: If true, on replace-flows, re-add even flows that have not changed |
c4ea79bf BP |
82 | * (to reset flow counters). */ |
83 | static bool readd; | |
84 | ||
27527aa0 BP |
85 | /* -F, --flow-format: Allowed protocols. By default, any protocol is |
86 | * allowed. */ | |
87 | static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY; | |
88ca35ee | 88 | |
54834960 EJ |
89 | /* -P, --packet-in-format: Packet IN format to use in monitor and snoop |
90 | * commands. Either one of NXPIF_* to force a particular packet_in format, or | |
91 | * -1 to let ovs-ofctl choose the default. */ | |
92 | static int preferred_packet_in_format = -1; | |
93 | ||
4f564f8d BP |
94 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
95 | static int verbosity; | |
96 | ||
0c9560b7 BP |
97 | /* --timestamp: Print a timestamp before each received packet on "monitor" and |
98 | * "snoop" command? */ | |
99 | static bool timestamp; | |
100 | ||
19945013 BP |
101 | /* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop" |
102 | commands. */ | |
103 | static char *unixctl_path; | |
104 | ||
bdcc5925 BP |
105 | /* --sort, --rsort: Sort order. */ |
106 | enum sort_order { SORT_ASC, SORT_DESC }; | |
107 | struct sort_criterion { | |
108 | const struct mf_field *field; /* NULL means to sort by priority. */ | |
109 | enum sort_order order; | |
110 | }; | |
111 | static struct sort_criterion *criteria; | |
112 | static size_t n_criteria, allocated_criteria; | |
113 | ||
5f383751 | 114 | static const struct ovs_cmdl_command *get_all_commands(void); |
064af421 | 115 | |
cab50449 | 116 | OVS_NO_RETURN static void usage(void); |
675febfa | 117 | static void parse_options(int argc, char *argv[]); |
064af421 | 118 | |
bdcc5925 BP |
119 | static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid, |
120 | struct ofpbuf **replyp, | |
121 | struct ofputil_flow_stats *, | |
122 | struct ofpbuf *ofpacts); | |
675febfa BP |
123 | int |
124 | main(int argc, char *argv[]) | |
064af421 | 125 | { |
1636c761 | 126 | struct ovs_cmdl_context ctx = { .argc = 0, }; |
064af421 | 127 | set_program_name(argv[0]); |
5e3ee29d | 128 | service_start(&argc, &argv); |
675febfa | 129 | parse_options(argc, argv); |
8a777cf6 | 130 | fatal_ignore_sigpipe(); |
1636c761 RB |
131 | ctx.argc = argc - optind; |
132 | ctx.argv = argv + optind; | |
e91b927d AZ |
133 | |
134 | daemon_become_new_user(false); | |
1636c761 | 135 | ovs_cmdl_run_command(&ctx, get_all_commands()); |
064af421 BP |
136 | return 0; |
137 | } | |
138 | ||
bdcc5925 BP |
139 | static void |
140 | add_sort_criterion(enum sort_order order, const char *field) | |
141 | { | |
142 | struct sort_criterion *sc; | |
143 | ||
144 | if (n_criteria >= allocated_criteria) { | |
145 | criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria); | |
146 | } | |
147 | ||
148 | sc = &criteria[n_criteria++]; | |
149 | if (!field || !strcasecmp(field, "priority")) { | |
150 | sc->field = NULL; | |
151 | } else { | |
152 | sc->field = mf_from_name(field); | |
153 | if (!sc->field) { | |
154 | ovs_fatal(0, "%s: unknown field name", field); | |
155 | } | |
156 | } | |
157 | sc->order = order; | |
158 | } | |
159 | ||
064af421 | 160 | static void |
675febfa | 161 | parse_options(int argc, char *argv[]) |
064af421 BP |
162 | { |
163 | enum { | |
87c84891 | 164 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 165 | OPT_READD, |
0c9560b7 | 166 | OPT_TIMESTAMP, |
bdcc5925 BP |
167 | OPT_SORT, |
168 | OPT_RSORT, | |
19945013 | 169 | OPT_UNIXCTL, |
db5076ee | 170 | OPT_BUNDLE, |
1eb85ef5 | 171 | DAEMON_OPTION_ENUMS, |
a53a8efa | 172 | OFP_VERSION_OPTION_ENUMS, |
87c84891 | 173 | VLOG_OPTION_ENUMS |
064af421 | 174 | }; |
07fc4ed3 | 175 | static const struct option long_options[] = { |
e3c17733 BP |
176 | {"timeout", required_argument, NULL, 't'}, |
177 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 178 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 | 179 | {"flow-format", required_argument, NULL, 'F'}, |
54834960 | 180 | {"packet-in-format", required_argument, NULL, 'P'}, |
e3c17733 | 181 | {"more", no_argument, NULL, 'm'}, |
0c9560b7 | 182 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
bdcc5925 BP |
183 | {"sort", optional_argument, NULL, OPT_SORT}, |
184 | {"rsort", optional_argument, NULL, OPT_RSORT}, | |
19945013 | 185 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, |
e3c17733 | 186 | {"help", no_argument, NULL, 'h'}, |
66fa2c88 | 187 | {"option", no_argument, NULL, 'o'}, |
db5076ee | 188 | {"bundle", no_argument, NULL, OPT_BUNDLE}, |
1eb85ef5 | 189 | DAEMON_LONG_OPTIONS, |
a53a8efa | 190 | OFP_VERSION_LONG_OPTIONS, |
87c84891 | 191 | VLOG_LONG_OPTIONS, |
bf8f2167 | 192 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 193 | {NULL, 0, NULL, 0}, |
064af421 | 194 | }; |
5f383751 | 195 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
37923ac7 BP |
196 | uint32_t versions; |
197 | enum ofputil_protocol version_protocols; | |
064af421 | 198 | |
6dc53744 BP |
199 | /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is |
200 | * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow | |
201 | * requests, but those requests have subtly different semantics in | |
202 | * different OpenFlow versions. For example: | |
203 | * | |
204 | * - In OpenFlow 1.0, a "mod-flow" operation that does not find any | |
205 | * existing flow to modify adds a new flow. | |
206 | * | |
207 | * - In OpenFlow 1.1, a "mod-flow" operation that does not find any | |
208 | * existing flow to modify adds a new flow, but only if the mod-flow | |
209 | * did not match on the flow cookie. | |
210 | * | |
211 | * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a | |
212 | * new flow. | |
213 | */ | |
214 | set_allowed_ofp_versions("OpenFlow10"); | |
215 | ||
064af421 BP |
216 | for (;;) { |
217 | unsigned long int timeout; | |
218 | int c; | |
219 | ||
220 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
221 | if (c == -1) { | |
222 | break; | |
223 | } | |
224 | ||
225 | switch (c) { | |
226 | case 't': | |
227 | timeout = strtoul(optarg, NULL, 10); | |
228 | if (timeout <= 0) { | |
229 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
230 | optarg); | |
231 | } else { | |
232 | time_alarm(timeout); | |
233 | } | |
234 | break; | |
235 | ||
88ca35ee | 236 | case 'F': |
27527aa0 BP |
237 | allowed_protocols = ofputil_protocols_from_string(optarg); |
238 | if (!allowed_protocols) { | |
239 | ovs_fatal(0, "%s: invalid flow format(s)", optarg); | |
88ca35ee BP |
240 | } |
241 | break; | |
242 | ||
54834960 EJ |
243 | case 'P': |
244 | preferred_packet_in_format = | |
245 | ofputil_packet_in_format_from_string(optarg); | |
246 | if (preferred_packet_in_format < 0) { | |
247 | ovs_fatal(0, "unknown packet-in format `%s'", optarg); | |
248 | } | |
249 | break; | |
250 | ||
4f564f8d BP |
251 | case 'm': |
252 | verbosity++; | |
253 | break; | |
254 | ||
064af421 BP |
255 | case 'h': |
256 | usage(); | |
257 | ||
66fa2c88 | 258 | case 'o': |
5f383751 | 259 | ovs_cmdl_print_options(long_options); |
66fa2c88 AW |
260 | exit(EXIT_SUCCESS); |
261 | ||
db5076ee JR |
262 | case OPT_BUNDLE: |
263 | bundle = true; | |
264 | break; | |
265 | ||
064af421 | 266 | case OPT_STRICT: |
675febfa | 267 | strict = true; |
064af421 BP |
268 | break; |
269 | ||
c4ea79bf BP |
270 | case OPT_READD: |
271 | readd = true; | |
272 | break; | |
273 | ||
0c9560b7 BP |
274 | case OPT_TIMESTAMP: |
275 | timestamp = true; | |
276 | break; | |
277 | ||
bdcc5925 BP |
278 | case OPT_SORT: |
279 | add_sort_criterion(SORT_ASC, optarg); | |
280 | break; | |
281 | ||
282 | case OPT_RSORT: | |
283 | add_sort_criterion(SORT_DESC, optarg); | |
284 | break; | |
285 | ||
19945013 BP |
286 | case OPT_UNIXCTL: |
287 | unixctl_path = optarg; | |
288 | break; | |
289 | ||
1eb85ef5 | 290 | DAEMON_OPTION_HANDLERS |
a53a8efa | 291 | OFP_VERSION_OPTION_HANDLERS |
87c84891 | 292 | VLOG_OPTION_HANDLERS |
fe55ad15 | 293 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
294 | |
295 | case '?': | |
296 | exit(EXIT_FAILURE); | |
297 | ||
298 | default: | |
299 | abort(); | |
300 | } | |
301 | } | |
bdcc5925 BP |
302 | |
303 | if (n_criteria) { | |
304 | /* Always do a final sort pass based on priority. */ | |
305 | add_sort_criterion(SORT_DESC, "priority"); | |
306 | } | |
307 | ||
064af421 | 308 | free(short_options); |
37923ac7 | 309 | |
db5076ee JR |
310 | /* Implicit OpenFlow 1.4 with the '--bundle' option. */ |
311 | if (bundle) { | |
312 | /* Add implicit allowance for OpenFlow 1.4. */ | |
313 | add_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
314 | OFPUTIL_P_OF14_OXM)); | |
5f8c05ad JR |
315 | /* Remove all prior versions. */ |
316 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
317 | OFPUTIL_P_OF14_UP)); | |
db5076ee | 318 | } |
37923ac7 BP |
319 | versions = get_allowed_ofp_versions(); |
320 | version_protocols = ofputil_protocols_from_version_bitmap(versions); | |
321 | if (!(allowed_protocols & version_protocols)) { | |
322 | char *protocols = ofputil_protocols_to_string(allowed_protocols); | |
323 | struct ds version_s = DS_EMPTY_INITIALIZER; | |
324 | ||
325 | ofputil_format_version_bitmap_names(&version_s, versions); | |
326 | ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports " | |
327 | "any of the enabled flow formats (%s). (Use -O to enable " | |
328 | "additional OpenFlow versions or -F to enable additional " | |
329 | "flow formats.)", ds_cstr(&version_s), protocols); | |
330 | } | |
331 | allowed_protocols &= version_protocols; | |
332 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
333 | allowed_protocols)); | |
064af421 BP |
334 | } |
335 | ||
336 | static void | |
337 | usage(void) | |
338 | { | |
339 | printf("%s: OpenFlow switch management utility\n" | |
340 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
341 | "\nFor OpenFlow switches:\n" | |
342 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
343 | " dump-desc SWITCH print switch description\n" |
344 | " dump-tables SWITCH print table stats\n" | |
5deff5aa | 345 | " dump-table-features SWITCH print table features\n" |
03c72922 | 346 | " dump-table-desc SWITCH print table description (OF1.4+)\n" |
064af421 | 347 | " mod-port SWITCH IFACE ACT modify port behavior\n" |
918f2b82 | 348 | " mod-table SWITCH MOD modify flow table behavior\n" |
82c22d34 | 349 | " OF1.1/1.2 MOD: controller, continue, drop\n" |
de7d3c07 | 350 | " OF1.4+ MOD: evict, noevict, vacancy:low,high, novacancy\n" |
7257b535 BP |
351 | " get-frags SWITCH print fragment handling behavior\n" |
352 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
82c22d34 | 353 | " FRAG_MODE: normal, drop, reassemble, nx-match\n" |
abaad8cf | 354 | " dump-ports SWITCH [PORT] print port statistics\n" |
70ae4f93 | 355 | " dump-ports-desc SWITCH [PORT] print port descriptions\n" |
064af421 BP |
356 | " dump-flows SWITCH print all flow entries\n" |
357 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
358 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
359 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 360 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
361 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
362 | " add-flows SWITCH FILE add flows from FILE\n" | |
363 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
364 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 365 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
1dac118c | 366 | " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n" |
0c3d5fc8 BP |
367 | " packet-out SWITCH IN_PORT ACTIONS PACKET...\n" |
368 | " execute ACTIONS on PACKET\n" | |
2b07c8b1 | 369 | " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n" |
1dac118c BP |
370 | " print packets received from SWITCH\n" |
371 | " snoop SWITCH snoop on SWITCH and its controller\n" | |
7395c052 | 372 | " add-group SWITCH GROUP add group described by GROUP\n" |
bdcca615 | 373 | " add-groups SWITCH FILE add group from FILE\n" |
7395c052 NZ |
374 | " mod-group SWITCH GROUP modify specific group\n" |
375 | " del-groups SWITCH [GROUP] delete matching GROUPs\n" | |
bdbb8426 SH |
376 | " insert-buckets SWITCH [GROUP] add buckets to GROUP\n" |
377 | " remove-buckets SWITCH [GROUP] remove buckets from GROUP\n" | |
7395c052 | 378 | " dump-group-features SWITCH print group features\n" |
19187a71 | 379 | " dump-groups SWITCH [GROUP] print group description\n" |
7395c052 | 380 | " dump-group-stats SWITCH [GROUP] print group statistics\n" |
e8f9a7bb | 381 | " queue-get-config SWITCH PORT print queue information for port\n" |
3200ed58 JR |
382 | " add-meter SWITCH METER add meter described by METER\n" |
383 | " mod-meter SWITCH METER modify specific METER\n" | |
384 | " del-meter SWITCH METER delete METER\n" | |
385 | " del-meters SWITCH delete all meters\n" | |
386 | " dump-meter SWITCH METER print METER configuration\n" | |
387 | " dump-meters SWITCH print all meter configuration\n" | |
388 | " meter-stats SWITCH [METER] print meter statistics\n" | |
389 | " meter-features SWITCH print meter features\n" | |
4e548ad9 ML |
390 | " add-tlv-map SWITCH MAP add TLV option MAPpings\n" |
391 | " del-tlv-map SWITCH [MAP] delete TLV option MAPpings\n" | |
392 | " dump-tlv-map SWITCH print TLV option mappings\n" | |
064af421 | 393 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
394 | " probe TARGET probe whether TARGET is up\n" |
395 | " ping TARGET [N] latency of N-byte echos\n" | |
396 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
1ac0e975 BP |
397 | "SWITCH or TARGET is an active OpenFlow connection method.\n" |
398 | "\nOther commands:\n" | |
f3dd1419 BP |
399 | " ofp-parse FILE print messages read from FILE\n" |
400 | " ofp-parse-pcap PCAP print OpenFlow read from PCAP\n", | |
064af421 BP |
401 | program_name, program_name); |
402 | vconn_usage(true, false, false); | |
1eb85ef5 | 403 | daemon_usage(); |
a53a8efa | 404 | ofp_version_usage(); |
064af421 BP |
405 | vlog_usage(); |
406 | printf("\nOther options:\n" | |
407 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 408 | " --readd replace flows that haven't changed\n" |
88ca35ee | 409 | " -F, --flow-format=FORMAT force particular flow format\n" |
54834960 | 410 | " -P, --packet-in-format=FRMT force particular packet in format\n" |
4f564f8d | 411 | " -m, --more be more verbose printing OpenFlow\n" |
0c9560b7 | 412 | " --timestamp (monitor, snoop) print timestamps\n" |
064af421 | 413 | " -t, --timeout=SECS give up after SECS seconds\n" |
bdcc5925 BP |
414 | " --sort[=field] sort in ascending order\n" |
415 | " --rsort[=field] sort in descending order\n" | |
19945013 | 416 | " --unixctl=SOCKET set control socket name\n" |
064af421 BP |
417 | " -h, --help display this help message\n" |
418 | " -V, --version display version information\n"); | |
419 | exit(EXIT_SUCCESS); | |
420 | } | |
421 | ||
1eb85ef5 EJ |
422 | static void |
423 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
424 | const char *argv[] OVS_UNUSED, void *exiting_) | |
425 | { | |
426 | bool *exiting = exiting_; | |
427 | *exiting = true; | |
bde9f75d | 428 | unixctl_command_reply(conn, NULL); |
1eb85ef5 EJ |
429 | } |
430 | ||
064af421 | 431 | static void run(int retval, const char *message, ...) |
cab50449 | 432 | OVS_PRINTF_FORMAT(2, 3); |
064af421 | 433 | |
473f65a2 BP |
434 | static void |
435 | run(int retval, const char *message, ...) | |
064af421 BP |
436 | { |
437 | if (retval) { | |
438 | va_list args; | |
439 | ||
064af421 | 440 | va_start(args, message); |
fcaddd4d | 441 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
442 | } |
443 | } | |
444 | \f | |
445 | /* Generic commands. */ | |
446 | ||
c3f25389 | 447 | static int |
1a6f1e2a JG |
448 | open_vconn_socket(const char *name, struct vconn **vconnp) |
449 | { | |
450 | char *vconn_name = xasprintf("unix:%s", name); | |
c3f25389 EJ |
451 | int error; |
452 | ||
82c8c53c BP |
453 | error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT, |
454 | vconnp); | |
c3f25389 EJ |
455 | if (error && error != ENOENT) { |
456 | ovs_fatal(0, "%s: failed to open socket (%s)", name, | |
10a89ef0 | 457 | ovs_strerror(error)); |
c3f25389 | 458 | } |
1a6f1e2a | 459 | free(vconn_name); |
c3f25389 EJ |
460 | |
461 | return error; | |
1a6f1e2a JG |
462 | } |
463 | ||
4766ce7a BP |
464 | enum open_target { MGMT, SNOOP }; |
465 | ||
27527aa0 | 466 | static enum ofputil_protocol |
4766ce7a | 467 | open_vconn__(const char *name, enum open_target target, |
0caf6bde | 468 | struct vconn **vconnp) |
064af421 | 469 | { |
4766ce7a | 470 | const char *suffix = target == MGMT ? "mgmt" : "snoop"; |
63d347ce | 471 | char *datapath_name, *datapath_type, *socket_name; |
27527aa0 | 472 | enum ofputil_protocol protocol; |
63d347ce | 473 | char *bridge_path; |
27527aa0 | 474 | int ofp_version; |
c3f25389 | 475 | int error; |
1a6f1e2a | 476 | |
4766ce7a | 477 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix); |
63d347ce BP |
478 | |
479 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
4766ce7a | 480 | socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix); |
63d347ce BP |
481 | free(datapath_name); |
482 | free(datapath_type); | |
064af421 | 483 | |
3a27375e | 484 | if (strchr(name, ':')) { |
539b741f | 485 | run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp), |
a53a8efa | 486 | "connecting to %s", name); |
c3f25389 EJ |
487 | } else if (!open_vconn_socket(name, vconnp)) { |
488 | /* Fall Through. */ | |
489 | } else if (!open_vconn_socket(bridge_path, vconnp)) { | |
490 | /* Fall Through. */ | |
491 | } else if (!open_vconn_socket(socket_name, vconnp)) { | |
492 | /* Fall Through. */ | |
064af421 | 493 | } else { |
2c0e6eb4 | 494 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 495 | } |
1a6f1e2a | 496 | |
4766ce7a BP |
497 | if (target == SNOOP) { |
498 | vconn_set_recv_any_version(*vconnp); | |
499 | } | |
500 | ||
1a6f1e2a | 501 | free(bridge_path); |
63d347ce | 502 | free(socket_name); |
27527aa0 | 503 | |
c3f25389 EJ |
504 | VLOG_DBG("connecting to %s", vconn_get_name(*vconnp)); |
505 | error = vconn_connect_block(*vconnp); | |
506 | if (error) { | |
507 | ovs_fatal(0, "%s: failed to connect to socket (%s)", name, | |
10a89ef0 | 508 | ovs_strerror(error)); |
c3f25389 EJ |
509 | } |
510 | ||
27527aa0 BP |
511 | ofp_version = vconn_get_version(*vconnp); |
512 | protocol = ofputil_protocol_from_ofp_version(ofp_version); | |
513 | if (!protocol) { | |
514 | ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x", | |
515 | name, ofp_version); | |
516 | } | |
517 | return protocol; | |
064af421 BP |
518 | } |
519 | ||
27527aa0 | 520 | static enum ofputil_protocol |
0caf6bde BP |
521 | open_vconn(const char *name, struct vconn **vconnp) |
522 | { | |
4766ce7a | 523 | return open_vconn__(name, MGMT, vconnp); |
0caf6bde BP |
524 | } |
525 | ||
064af421 BP |
526 | static void |
527 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
528 | { | |
064af421 BP |
529 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); |
530 | } | |
531 | ||
532 | static void | |
a53a8efa | 533 | dump_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 534 | { |
064af421 BP |
535 | struct ofpbuf *reply; |
536 | ||
a53a8efa SH |
537 | run(vconn_transact(vconn, request, &reply), "talking to %s", |
538 | vconn_get_name(vconn)); | |
6fd6ed71 | 539 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
e49190c4 | 540 | ofpbuf_delete(reply); |
064af421 BP |
541 | } |
542 | ||
543 | static void | |
982697a4 | 544 | dump_trivial_transaction(const char *vconn_name, enum ofpraw raw) |
064af421 BP |
545 | { |
546 | struct ofpbuf *request; | |
a53a8efa SH |
547 | struct vconn *vconn; |
548 | ||
549 | open_vconn(vconn_name, &vconn); | |
550 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); | |
551 | dump_transaction(vconn, request); | |
552 | vconn_close(vconn); | |
064af421 BP |
553 | } |
554 | ||
555 | static void | |
53514387 | 556 | dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 557 | { |
6fd6ed71 | 558 | const struct ofp_header *request_oh = request->data; |
982697a4 BP |
559 | ovs_be32 send_xid = request_oh->xid; |
560 | enum ofpraw request_raw; | |
561 | enum ofpraw reply_raw; | |
064af421 BP |
562 | bool done = false; |
563 | ||
6fd6ed71 | 564 | ofpraw_decode_partial(&request_raw, request->data, request->size); |
982697a4 BP |
565 | reply_raw = ofpraw_stats_request_to_reply(request_raw, |
566 | request_oh->version); | |
567 | ||
064af421 BP |
568 | send_openflow_buffer(vconn, request); |
569 | while (!done) { | |
02833365 | 570 | ovs_be32 recv_xid; |
064af421 BP |
571 | struct ofpbuf *reply; |
572 | ||
573 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
6fd6ed71 | 574 | recv_xid = ((struct ofp_header *) reply->data)->xid; |
064af421 | 575 | if (send_xid == recv_xid) { |
982697a4 | 576 | enum ofpraw raw; |
064af421 | 577 | |
6fd6ed71 | 578 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 579 | |
6fd6ed71 | 580 | ofpraw_decode(&raw, reply->data); |
982697a4 | 581 | if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) { |
a76150b1 | 582 | done = true; |
982697a4 | 583 | } else if (raw == reply_raw) { |
6fd6ed71 | 584 | done = !ofpmp_more(reply->data); |
a76150b1 BP |
585 | } else { |
586 | ovs_fatal(0, "received bad reply: %s", | |
6fd6ed71 | 587 | ofp_to_string(reply->data, reply->size, |
a76150b1 BP |
588 | verbosity + 1)); |
589 | } | |
064af421 BP |
590 | } else { |
591 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
592 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
593 | } | |
594 | ofpbuf_delete(reply); | |
595 | } | |
9abfe557 BP |
596 | } |
597 | ||
598 | static void | |
53514387 | 599 | dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw) |
9abfe557 | 600 | { |
53514387 | 601 | struct ofpbuf *request; |
9abfe557 BP |
602 | struct vconn *vconn; |
603 | ||
604 | open_vconn(vconn_name, &vconn); | |
53514387 SH |
605 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); |
606 | dump_stats_transaction(vconn, request); | |
064af421 BP |
607 | vconn_close(vconn); |
608 | } | |
609 | ||
a8eebd48 BP |
610 | /* Sends all of the 'requests', which should be requests that only have replies |
611 | * if an error occurs, and waits for them to succeed or fail. If an error does | |
612 | * occur, prints it and exits with an error. | |
7257b535 BP |
613 | * |
614 | * Destroys all of the 'requests'. */ | |
d12513f7 | 615 | static void |
ca6ba700 | 616 | transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests) |
d12513f7 | 617 | { |
db5076ee | 618 | struct ofpbuf *reply; |
88ca35ee BP |
619 | |
620 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
621 | "talking to %s", vconn_get_name(vconn)); |
622 | if (reply) { | |
6fd6ed71 | 623 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
624 | exit(1); |
625 | } | |
626 | ofpbuf_delete(reply); | |
627 | } | |
628 | ||
db5076ee JR |
629 | static void |
630 | bundle_error_reporter(const struct ofp_header *oh) | |
631 | { | |
632 | ofp_print(stderr, oh, ntohs(oh->length), verbosity + 1); | |
633 | fflush(stderr); | |
634 | } | |
635 | ||
636 | static void | |
637 | bundle_transact(struct vconn *vconn, struct ovs_list *requests, uint16_t flags) | |
638 | { | |
639 | run(vconn_bundle_transact(vconn, requests, flags, bundle_error_reporter), | |
640 | "talking to %s", vconn_get_name(vconn)); | |
641 | } | |
642 | ||
88ca35ee BP |
643 | /* Sends 'request', which should be a request that only has a reply if an error |
644 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
645 | * it and exits with an error. |
646 | * | |
647 | * Destroys 'request'. */ | |
88ca35ee BP |
648 | static void |
649 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
650 | { | |
ca6ba700 | 651 | struct ovs_list requests; |
88ca35ee BP |
652 | |
653 | list_init(&requests); | |
654 | list_push_back(&requests, &request->list_node); | |
655 | transact_multiple_noreply(vconn, &requests); | |
656 | } | |
657 | ||
7257b535 BP |
658 | static void |
659 | fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
660 | { | |
661 | struct ofp_switch_config *config; | |
7257b535 BP |
662 | struct ofpbuf *request; |
663 | struct ofpbuf *reply; | |
982697a4 | 664 | enum ofptype type; |
7257b535 | 665 | |
a53a8efa SH |
666 | request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST, |
667 | vconn_get_version(vconn), 0); | |
7257b535 BP |
668 | run(vconn_transact(vconn, request, &reply), |
669 | "talking to %s", vconn_get_name(vconn)); | |
670 | ||
982697a4 | 671 | if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) { |
7257b535 BP |
672 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); |
673 | } | |
674 | ||
982697a4 | 675 | config = ofpbuf_pull(reply, sizeof *config); |
7257b535 | 676 | *config_ = *config; |
828c72d0 BP |
677 | |
678 | ofpbuf_delete(reply); | |
7257b535 BP |
679 | } |
680 | ||
681 | static void | |
982697a4 | 682 | set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config) |
7257b535 | 683 | { |
7257b535 BP |
684 | struct ofpbuf *request; |
685 | ||
a53a8efa | 686 | request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0); |
982697a4 | 687 | ofpbuf_put(request, config, sizeof *config); |
7257b535 BP |
688 | |
689 | transact_noreply(vconn, request); | |
690 | } | |
691 | ||
064af421 | 692 | static void |
1636c761 | 693 | ofctl_show(struct ovs_cmdl_context *ctx) |
064af421 | 694 | { |
1636c761 | 695 | const char *vconn_name = ctx->argv[1]; |
fca6d553 | 696 | enum ofp_version version; |
ae0e7009 JP |
697 | struct vconn *vconn; |
698 | struct ofpbuf *request; | |
699 | struct ofpbuf *reply; | |
fca6d553 | 700 | bool has_ports; |
ae0e7009 | 701 | |
ae0e7009 | 702 | open_vconn(vconn_name, &vconn); |
fca6d553 BP |
703 | version = vconn_get_version(vconn); |
704 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0); | |
ae0e7009 JP |
705 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); |
706 | ||
fca6d553 | 707 | has_ports = ofputil_switch_features_has_ports(reply); |
6fd6ed71 | 708 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
ae0e7009 | 709 | ofpbuf_delete(reply); |
ae0e7009 | 710 | |
fca6d553 | 711 | if (!has_ports) { |
70ae4f93 | 712 | request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY); |
fca6d553 | 713 | dump_stats_transaction(vconn, request); |
ae0e7009 | 714 | } |
982697a4 | 715 | dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST); |
a53a8efa | 716 | vconn_close(vconn); |
064af421 BP |
717 | } |
718 | ||
064af421 | 719 | static void |
1636c761 | 720 | ofctl_dump_desc(struct ovs_cmdl_context *ctx) |
064af421 | 721 | { |
1636c761 | 722 | dump_trivial_stats_transaction(ctx->argv[1], OFPRAW_OFPST_DESC_REQUEST); |
064af421 BP |
723 | } |
724 | ||
725 | static void | |
1636c761 | 726 | ofctl_dump_tables(struct ovs_cmdl_context *ctx) |
064af421 | 727 | { |
1636c761 | 728 | dump_trivial_stats_transaction(ctx->argv[1], OFPRAW_OFPST_TABLE_REQUEST); |
064af421 BP |
729 | } |
730 | ||
5deff5aa | 731 | static void |
1636c761 | 732 | ofctl_dump_table_features(struct ovs_cmdl_context *ctx) |
5deff5aa AW |
733 | { |
734 | struct ofpbuf *request; | |
735 | struct vconn *vconn; | |
736 | ||
1636c761 | 737 | open_vconn(ctx->argv[1], &vconn); |
5deff5aa | 738 | request = ofputil_encode_table_features_request(vconn_get_version(vconn)); |
8811fc0a BP |
739 | |
740 | /* The following is similar to dump_trivial_stats_transaction(), but it | |
741 | * maintains the previous 'ofputil_table_features' from one stats reply | |
742 | * message to the next, which allows duplication to be eliminated in the | |
743 | * output across messages. Otherwise the output is much larger and harder | |
744 | * to read, because only 17 or so ofputil_table_features elements fit in a | |
745 | * single 64 kB OpenFlow message and therefore you get a ton of repetition | |
746 | * (every 17th element is printed in full instead of abbreviated). */ | |
747 | ||
748 | const struct ofp_header *request_oh = request->data; | |
749 | ovs_be32 send_xid = request_oh->xid; | |
750 | bool done = false; | |
751 | ||
752 | struct ofputil_table_features prev; | |
753 | int n = 0; | |
754 | ||
755 | send_openflow_buffer(vconn, request); | |
756 | while (!done) { | |
757 | ovs_be32 recv_xid; | |
758 | struct ofpbuf *reply; | |
759 | ||
760 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
761 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
762 | if (send_xid == recv_xid) { | |
763 | enum ofptype type; | |
764 | enum ofperr error; | |
765 | error = ofptype_decode(&type, reply->data); | |
766 | if (error) { | |
767 | ovs_fatal(0, "decode error: %s", ofperr_get_name(error)); | |
768 | } else if (type == OFPTYPE_ERROR) { | |
769 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); | |
770 | done = true; | |
771 | } else if (type == OFPTYPE_TABLE_FEATURES_STATS_REPLY) { | |
772 | done = !ofpmp_more(reply->data); | |
773 | for (;;) { | |
774 | struct ofputil_table_features tf; | |
775 | int retval; | |
776 | ||
777 | retval = ofputil_decode_table_features(reply, &tf, true); | |
778 | if (retval) { | |
779 | if (retval != EOF) { | |
780 | ovs_fatal(0, "decode error: %s", | |
781 | ofperr_get_name(retval)); | |
782 | } | |
783 | break; | |
784 | } | |
785 | ||
786 | struct ds s = DS_EMPTY_INITIALIZER; | |
787 | ofp_print_table_features(&s, &tf, n ? &prev : NULL, | |
788 | NULL, NULL); | |
789 | puts(ds_cstr(&s)); | |
790 | ds_destroy(&s); | |
791 | ||
792 | prev = tf; | |
793 | n++; | |
794 | } | |
795 | } else { | |
796 | ovs_fatal(0, "received bad reply: %s", | |
797 | ofp_to_string(reply->data, reply->size, | |
798 | verbosity + 1)); | |
799 | } | |
800 | } else { | |
801 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
802 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
803 | } | |
804 | ofpbuf_delete(reply); | |
5deff5aa AW |
805 | } |
806 | ||
807 | vconn_close(vconn); | |
808 | } | |
809 | ||
03c72922 BP |
810 | static void |
811 | ofctl_dump_table_desc(struct ovs_cmdl_context *ctx) | |
812 | { | |
813 | struct ofpbuf *request; | |
814 | struct vconn *vconn; | |
815 | ||
816 | open_vconn(ctx->argv[1], &vconn); | |
817 | request = ofputil_encode_table_desc_request(vconn_get_version(vconn)); | |
818 | if (request) { | |
819 | dump_stats_transaction(vconn, request); | |
820 | } | |
821 | ||
822 | vconn_close(vconn); | |
823 | } | |
824 | ||
825 | ||
fca6d553 BP |
826 | static bool fetch_port_by_stats(struct vconn *, |
827 | const char *port_name, ofp_port_t port_no, | |
828 | struct ofputil_phy_port *); | |
829 | ||
830 | /* Uses OFPT_FEATURES_REQUEST to attempt to fetch information about the port | |
831 | * named 'port_name' or numbered 'port_no' into '*pp'. Returns true if | |
832 | * successful, false on failure. | |
833 | * | |
834 | * This is only appropriate for OpenFlow 1.0, 1.1, and 1.2, which include a | |
835 | * list of ports in OFPT_FEATURES_REPLY. */ | |
da91750f | 836 | static bool |
fca6d553 | 837 | fetch_port_by_features(struct vconn *vconn, |
4e022ec0 | 838 | const char *port_name, ofp_port_t port_no, |
fca6d553 | 839 | struct ofputil_phy_port *pp) |
abaad8cf | 840 | { |
9e1fd49b | 841 | struct ofputil_switch_features features; |
982697a4 | 842 | const struct ofp_header *oh; |
abaad8cf | 843 | struct ofpbuf *request, *reply; |
9e1fd49b | 844 | enum ofperr error; |
982697a4 | 845 | enum ofptype type; |
9e1fd49b | 846 | struct ofpbuf b; |
da91750f | 847 | bool found = false; |
abaad8cf | 848 | |
0df0e81d | 849 | /* Fetch the switch's ofp_switch_features. */ |
a53a8efa SH |
850 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, |
851 | vconn_get_version(vconn), 0); | |
fca6d553 BP |
852 | run(vconn_transact(vconn, request, &reply), |
853 | "talking to %s", vconn_get_name(vconn)); | |
abaad8cf | 854 | |
6fd6ed71 PS |
855 | oh = reply->data; |
856 | if (ofptype_decode(&type, reply->data) | |
982697a4 | 857 | || type != OFPTYPE_FEATURES_REPLY) { |
fca6d553 | 858 | ovs_fatal(0, "%s: received bad features reply", vconn_get_name(vconn)); |
0df0e81d | 859 | } |
fca6d553 BP |
860 | if (!ofputil_switch_features_has_ports(reply)) { |
861 | /* The switch features reply does not contain a complete list of ports. | |
862 | * Probably, there are more ports than will fit into a single 64 kB | |
863 | * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of | |
864 | * ports. */ | |
865 | ofpbuf_delete(reply); | |
866 | return fetch_port_by_stats(vconn, port_name, port_no, pp); | |
da91750f JP |
867 | } |
868 | ||
982697a4 | 869 | error = ofputil_decode_switch_features(oh, &features, &b); |
9e1fd49b BP |
870 | if (error) { |
871 | ovs_fatal(0, "%s: failed to decode features reply (%s)", | |
fca6d553 | 872 | vconn_get_name(vconn), ofperr_to_string(error)); |
9e1fd49b | 873 | } |
0df0e81d | 874 | |
982697a4 | 875 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 | 876 | if (port_no != OFPP_NONE |
9e1fd49b BP |
877 | ? port_no == pp->port_no |
878 | : !strcmp(pp->name, port_name)) { | |
da91750f | 879 | found = true; |
fca6d553 | 880 | break; |
abaad8cf JP |
881 | } |
882 | } | |
da91750f JP |
883 | ofpbuf_delete(reply); |
884 | return found; | |
885 | } | |
886 | ||
fca6d553 BP |
887 | /* Uses a OFPST_PORT_DESC request to attempt to fetch information about the |
888 | * port named 'port_name' or numbered 'port_no' into '*pp'. Returns true if | |
889 | * successful, false on failure. | |
890 | * | |
891 | * This is most appropriate for OpenFlow 1.3 and later. Open vSwitch 1.7 and | |
892 | * later also implements OFPST_PORT_DESC, as an extension, for OpenFlow 1.0, | |
893 | * 1.1, and 1.2, so this can be used as a fallback in those versions when there | |
894 | * are too many ports than fit in an OFPT_FEATURES_REPLY. */ | |
da91750f | 895 | static bool |
fca6d553 | 896 | fetch_port_by_stats(struct vconn *vconn, |
4e022ec0 | 897 | const char *port_name, ofp_port_t port_no, |
da91750f JP |
898 | struct ofputil_phy_port *pp) |
899 | { | |
900 | struct ofpbuf *request; | |
da91750f | 901 | ovs_be32 send_xid; |
da91750f JP |
902 | bool done = false; |
903 | bool found = false; | |
904 | ||
70ae4f93 BP |
905 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), |
906 | port_no); | |
6fd6ed71 | 907 | send_xid = ((struct ofp_header *) request->data)->xid; |
da91750f | 908 | |
da91750f JP |
909 | send_openflow_buffer(vconn, request); |
910 | while (!done) { | |
911 | ovs_be32 recv_xid; | |
912 | struct ofpbuf *reply; | |
913 | ||
914 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
6fd6ed71 | 915 | recv_xid = ((struct ofp_header *) reply->data)->xid; |
da91750f | 916 | if (send_xid == recv_xid) { |
6fd6ed71 | 917 | struct ofp_header *oh = reply->data; |
982697a4 BP |
918 | enum ofptype type; |
919 | struct ofpbuf b; | |
920 | uint16_t flags; | |
921 | ||
922 | ofpbuf_use_const(&b, oh, ntohs(oh->length)); | |
923 | if (ofptype_pull(&type, &b) | |
924 | || type != OFPTYPE_PORT_DESC_STATS_REPLY) { | |
da91750f | 925 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 926 | ofp_to_string(reply->data, reply->size, |
da91750f JP |
927 | verbosity + 1)); |
928 | } | |
929 | ||
982697a4 BP |
930 | flags = ofpmp_flags(oh); |
931 | done = !(flags & OFPSF_REPLY_MORE); | |
da91750f JP |
932 | |
933 | if (found) { | |
934 | /* We've already found the port, but we need to drain | |
935 | * the queue of any other replies for this request. */ | |
936 | continue; | |
937 | } | |
938 | ||
982697a4 | 939 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 AW |
940 | if (port_no != OFPP_NONE ? port_no == pp->port_no |
941 | : !strcmp(pp->name, port_name)) { | |
da91750f JP |
942 | found = true; |
943 | break; | |
944 | } | |
945 | } | |
946 | } else { | |
947 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
948 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
949 | } | |
950 | ofpbuf_delete(reply); | |
951 | } | |
da91750f JP |
952 | |
953 | return found; | |
954 | } | |
955 | ||
4e022ec0 AW |
956 | static bool |
957 | str_to_ofp(const char *s, ofp_port_t *ofp_port) | |
958 | { | |
959 | bool ret; | |
960 | uint32_t port_; | |
961 | ||
962 | ret = str_to_uint(s, 10, &port_); | |
963 | *ofp_port = u16_to_ofp(port_); | |
964 | return ret; | |
965 | } | |
da91750f JP |
966 | |
967 | /* Opens a connection to 'vconn_name', fetches the port structure for | |
968 | * 'port_name' (which may be a port name or number), and copies it into | |
969 | * '*pp'. */ | |
970 | static void | |
971 | fetch_ofputil_phy_port(const char *vconn_name, const char *port_name, | |
972 | struct ofputil_phy_port *pp) | |
973 | { | |
fca6d553 | 974 | struct vconn *vconn; |
4e022ec0 | 975 | ofp_port_t port_no; |
da91750f | 976 | bool found; |
da91750f JP |
977 | |
978 | /* Try to interpret the argument as a port number. */ | |
4e022ec0 AW |
979 | if (!str_to_ofp(port_name, &port_no)) { |
980 | port_no = OFPP_NONE; | |
da91750f JP |
981 | } |
982 | ||
fca6d553 BP |
983 | /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the |
984 | * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it | |
985 | * into the OFPST_PORT_DESC reply. Try it the correct way. */ | |
986 | open_vconn(vconn_name, &vconn); | |
987 | found = (vconn_get_version(vconn) < OFP13_VERSION | |
988 | ? fetch_port_by_features(vconn, port_name, port_no, pp) | |
989 | : fetch_port_by_stats(vconn, port_name, port_no, pp)); | |
990 | vconn_close(vconn); | |
da91750f JP |
991 | |
992 | if (!found) { | |
993 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); | |
994 | } | |
0df0e81d | 995 | } |
abaad8cf | 996 | |
0df0e81d BP |
997 | /* Returns the port number corresponding to 'port_name' (which may be a port |
998 | * name or number) within the switch 'vconn_name'. */ | |
4e022ec0 | 999 | static ofp_port_t |
0df0e81d BP |
1000 | str_to_port_no(const char *vconn_name, const char *port_name) |
1001 | { | |
4e022ec0 | 1002 | ofp_port_t port_no; |
8010100b BP |
1003 | |
1004 | if (ofputil_port_from_string(port_name, &port_no)) { | |
0df0e81d BP |
1005 | return port_no; |
1006 | } else { | |
9e1fd49b | 1007 | struct ofputil_phy_port pp; |
abaad8cf | 1008 | |
9e1fd49b BP |
1009 | fetch_ofputil_phy_port(vconn_name, port_name, &pp); |
1010 | return pp.port_no; | |
0df0e81d | 1011 | } |
abaad8cf JP |
1012 | } |
1013 | ||
88ca35ee | 1014 | static bool |
27527aa0 BP |
1015 | try_set_protocol(struct vconn *vconn, enum ofputil_protocol want, |
1016 | enum ofputil_protocol *cur) | |
88ca35ee | 1017 | { |
27527aa0 BP |
1018 | for (;;) { |
1019 | struct ofpbuf *request, *reply; | |
1020 | enum ofputil_protocol next; | |
88ca35ee | 1021 | |
27527aa0 BP |
1022 | request = ofputil_encode_set_protocol(*cur, want, &next); |
1023 | if (!request) { | |
e43928f2 | 1024 | return *cur == want; |
27527aa0 BP |
1025 | } |
1026 | ||
1027 | run(vconn_transact_noreply(vconn, request, &reply), | |
1028 | "talking to %s", vconn_get_name(vconn)); | |
1029 | if (reply) { | |
6fd6ed71 | 1030 | char *s = ofp_to_string(reply->data, reply->size, 2); |
27527aa0 BP |
1031 | VLOG_DBG("%s: failed to set protocol, switch replied: %s", |
1032 | vconn_get_name(vconn), s); | |
1033 | free(s); | |
1034 | ofpbuf_delete(reply); | |
1035 | return false; | |
1036 | } | |
1037 | ||
1038 | *cur = next; | |
88ca35ee | 1039 | } |
88ca35ee BP |
1040 | } |
1041 | ||
27527aa0 BP |
1042 | static enum ofputil_protocol |
1043 | set_protocol_for_flow_dump(struct vconn *vconn, | |
1044 | enum ofputil_protocol cur_protocol, | |
1045 | enum ofputil_protocol usable_protocols) | |
064af421 | 1046 | { |
27527aa0 BP |
1047 | char *usable_s; |
1048 | int i; | |
064af421 | 1049 | |
27527aa0 BP |
1050 | for (i = 0; i < ofputil_n_flow_dump_protocols; i++) { |
1051 | enum ofputil_protocol f = ofputil_flow_dump_protocols[i]; | |
1052 | if (f & usable_protocols & allowed_protocols | |
1053 | && try_set_protocol(vconn, f, &cur_protocol)) { | |
1054 | return f; | |
f9cbfbe4 | 1055 | } |
27527aa0 | 1056 | } |
f9cbfbe4 | 1057 | |
27527aa0 BP |
1058 | usable_s = ofputil_protocols_to_string(usable_protocols); |
1059 | if (usable_protocols & allowed_protocols) { | |
1060 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1061 | "formats (%s)", usable_s); | |
f9cbfbe4 | 1062 | } else { |
27527aa0 BP |
1063 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); |
1064 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1065 | "allowed flow formats (%s)", usable_s, allowed_s); | |
88ca35ee | 1066 | } |
064af421 BP |
1067 | } |
1068 | ||
bdcc5925 BP |
1069 | static struct vconn * |
1070 | prepare_dump_flows(int argc, char *argv[], bool aggregate, | |
1071 | struct ofpbuf **requestp) | |
064af421 | 1072 | { |
27527aa0 | 1073 | enum ofputil_protocol usable_protocols, protocol; |
81d1ea94 | 1074 | struct ofputil_flow_stats_request fsr; |
88ca35ee | 1075 | struct vconn *vconn; |
bdda5aca BP |
1076 | char *error; |
1077 | ||
1078 | error = parse_ofp_flow_stats_request_str(&fsr, aggregate, | |
db0b6c29 | 1079 | argc > 2 ? argv[2] : "", |
ba2fe8e9 | 1080 | &usable_protocols); |
bdda5aca BP |
1081 | if (error) { |
1082 | ovs_fatal(0, "%s", error); | |
1083 | } | |
064af421 | 1084 | |
27527aa0 BP |
1085 | protocol = open_vconn(argv[1], &vconn); |
1086 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
bdcc5925 BP |
1087 | *requestp = ofputil_encode_flow_stats_request(&fsr, protocol); |
1088 | return vconn; | |
1089 | } | |
1090 | ||
1091 | static void | |
1092 | ofctl_dump_flows__(int argc, char *argv[], bool aggregate) | |
1093 | { | |
1094 | struct ofpbuf *request; | |
1095 | struct vconn *vconn; | |
1096 | ||
1097 | vconn = prepare_dump_flows(argc, argv, aggregate, &request); | |
53514387 | 1098 | dump_stats_transaction(vconn, request); |
88ca35ee BP |
1099 | vconn_close(vconn); |
1100 | } | |
1101 | ||
bdcc5925 BP |
1102 | static int |
1103 | compare_flows(const void *afs_, const void *bfs_) | |
1104 | { | |
1105 | const struct ofputil_flow_stats *afs = afs_; | |
1106 | const struct ofputil_flow_stats *bfs = bfs_; | |
81a76618 BP |
1107 | const struct match *a = &afs->match; |
1108 | const struct match *b = &bfs->match; | |
bdcc5925 BP |
1109 | const struct sort_criterion *sc; |
1110 | ||
1111 | for (sc = criteria; sc < &criteria[n_criteria]; sc++) { | |
1112 | const struct mf_field *f = sc->field; | |
1113 | int ret; | |
1114 | ||
1115 | if (!f) { | |
eb391b76 BP |
1116 | int a_pri = afs->priority; |
1117 | int b_pri = bfs->priority; | |
81a76618 | 1118 | ret = a_pri < b_pri ? -1 : a_pri > b_pri; |
bdcc5925 BP |
1119 | } else { |
1120 | bool ina, inb; | |
1121 | ||
1122 | ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc); | |
1123 | inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc); | |
1124 | if (ina != inb) { | |
1125 | /* Skip the test for sc->order, so that missing fields always | |
1126 | * sort to the end whether we're sorting in ascending or | |
1127 | * descending order. */ | |
1128 | return ina ? -1 : 1; | |
1129 | } else { | |
1130 | union mf_value aval, bval; | |
1131 | ||
1132 | mf_get_value(f, &a->flow, &aval); | |
1133 | mf_get_value(f, &b->flow, &bval); | |
1134 | ret = memcmp(&aval, &bval, f->n_bytes); | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | if (ret) { | |
1139 | return sc->order == SORT_ASC ? ret : -ret; | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
88ca35ee | 1146 | static void |
1636c761 | 1147 | ofctl_dump_flows(struct ovs_cmdl_context *ctx) |
88ca35ee | 1148 | { |
bdcc5925 | 1149 | if (!n_criteria) { |
1636c761 | 1150 | ofctl_dump_flows__(ctx->argc, ctx->argv, false); |
2f4aba0b | 1151 | return; |
bdcc5925 BP |
1152 | } else { |
1153 | struct ofputil_flow_stats *fses; | |
1154 | size_t n_fses, allocated_fses; | |
1155 | struct ofpbuf *request; | |
1156 | struct ofpbuf ofpacts; | |
1157 | struct ofpbuf *reply; | |
1158 | struct vconn *vconn; | |
1159 | ovs_be32 send_xid; | |
1160 | struct ds s; | |
1161 | size_t i; | |
1162 | ||
1636c761 | 1163 | vconn = prepare_dump_flows(ctx->argc, ctx->argv, false, &request); |
6fd6ed71 | 1164 | send_xid = ((struct ofp_header *) request->data)->xid; |
bdcc5925 BP |
1165 | send_openflow_buffer(vconn, request); |
1166 | ||
1167 | fses = NULL; | |
1168 | n_fses = allocated_fses = 0; | |
1169 | reply = NULL; | |
1170 | ofpbuf_init(&ofpacts, 0); | |
1171 | for (;;) { | |
1172 | struct ofputil_flow_stats *fs; | |
1173 | ||
1174 | if (n_fses >= allocated_fses) { | |
1175 | fses = x2nrealloc(fses, &allocated_fses, sizeof *fses); | |
1176 | } | |
1177 | ||
1178 | fs = &fses[n_fses]; | |
1179 | if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs, | |
1180 | &ofpacts)) { | |
1181 | break; | |
1182 | } | |
1183 | fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len); | |
1184 | n_fses++; | |
1185 | } | |
1186 | ofpbuf_uninit(&ofpacts); | |
1187 | ||
1188 | qsort(fses, n_fses, sizeof *fses, compare_flows); | |
1189 | ||
1190 | ds_init(&s); | |
1191 | for (i = 0; i < n_fses; i++) { | |
1192 | ds_clear(&s); | |
1193 | ofp_print_flow_stats(&s, &fses[i]); | |
1194 | puts(ds_cstr(&s)); | |
1195 | } | |
1196 | ds_destroy(&s); | |
1197 | ||
1198 | for (i = 0; i < n_fses; i++) { | |
dc723c44 | 1199 | free(CONST_CAST(struct ofpact *, fses[i].ofpacts)); |
bdcc5925 BP |
1200 | } |
1201 | free(fses); | |
1202 | ||
1203 | vconn_close(vconn); | |
1204 | } | |
88ca35ee BP |
1205 | } |
1206 | ||
1207 | static void | |
1636c761 | 1208 | ofctl_dump_aggregate(struct ovs_cmdl_context *ctx) |
88ca35ee | 1209 | { |
1636c761 | 1210 | ofctl_dump_flows__(ctx->argc, ctx->argv, true); |
064af421 BP |
1211 | } |
1212 | ||
d2805da2 | 1213 | static void |
1636c761 | 1214 | ofctl_queue_stats(struct ovs_cmdl_context *ctx) |
d2805da2 | 1215 | { |
d2805da2 | 1216 | struct ofpbuf *request; |
53514387 | 1217 | struct vconn *vconn; |
64626975 | 1218 | struct ofputil_queue_stats_request oqs; |
d2805da2 | 1219 | |
1636c761 | 1220 | open_vconn(ctx->argv[1], &vconn); |
d2805da2 | 1221 | |
1636c761 RB |
1222 | if (ctx->argc > 2 && ctx->argv[2][0] && strcasecmp(ctx->argv[2], "all")) { |
1223 | oqs.port_no = str_to_port_no(ctx->argv[1], ctx->argv[2]); | |
d2805da2 | 1224 | } else { |
7f05e7ab | 1225 | oqs.port_no = OFPP_ANY; |
d2805da2 | 1226 | } |
1636c761 RB |
1227 | if (ctx->argc > 3 && ctx->argv[3][0] && strcasecmp(ctx->argv[3], "all")) { |
1228 | oqs.queue_id = atoi(ctx->argv[3]); | |
d2805da2 | 1229 | } else { |
64626975 | 1230 | oqs.queue_id = OFPQ_ALL; |
d2805da2 BP |
1231 | } |
1232 | ||
64626975 | 1233 | request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs); |
53514387 SH |
1234 | dump_stats_transaction(vconn, request); |
1235 | vconn_close(vconn); | |
d2805da2 BP |
1236 | } |
1237 | ||
e8f9a7bb | 1238 | static void |
1636c761 | 1239 | ofctl_queue_get_config(struct ovs_cmdl_context *ctx) |
e8f9a7bb | 1240 | { |
1636c761 RB |
1241 | const char *vconn_name = ctx->argv[1]; |
1242 | const char *port_name = ctx->argv[2]; | |
e8f9a7bb VG |
1243 | enum ofputil_protocol protocol; |
1244 | enum ofp_version version; | |
1245 | struct ofpbuf *request; | |
1246 | struct vconn *vconn; | |
1247 | ofp_port_t port; | |
1248 | ||
1249 | port = str_to_port_no(vconn_name, port_name); | |
1250 | ||
1251 | protocol = open_vconn(vconn_name, &vconn); | |
1252 | version = ofputil_protocol_to_ofp_version(protocol); | |
1253 | request = ofputil_encode_queue_get_config_request(version, port); | |
1254 | dump_transaction(vconn, request); | |
1255 | vconn_close(vconn); | |
1256 | } | |
1257 | ||
27527aa0 | 1258 | static enum ofputil_protocol |
db0b6c29 JR |
1259 | open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp, |
1260 | enum ofputil_protocol usable_protocols) | |
0fbc9f11 | 1261 | { |
27527aa0 BP |
1262 | enum ofputil_protocol cur_protocol; |
1263 | char *usable_s; | |
1264 | int i; | |
0fbc9f11 | 1265 | |
27527aa0 BP |
1266 | if (!(usable_protocols & allowed_protocols)) { |
1267 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); | |
1268 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1269 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1270 | "allowed flow formats (%s)", usable_s, allowed_s); | |
0fbc9f11 | 1271 | } |
0fbc9f11 | 1272 | |
27527aa0 BP |
1273 | /* If the initial flow format is allowed and usable, keep it. */ |
1274 | cur_protocol = open_vconn(remote, vconnp); | |
1275 | if (usable_protocols & allowed_protocols & cur_protocol) { | |
1276 | return cur_protocol; | |
1277 | } | |
1278 | ||
1279 | /* Otherwise try each flow format in turn. */ | |
1280 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1281 | enum ofputil_protocol f = 1 << i; | |
1282 | ||
1283 | if (f != cur_protocol | |
1284 | && f & usable_protocols & allowed_protocols | |
1285 | && try_set_protocol(*vconnp, f, &cur_protocol)) { | |
1286 | return f; | |
1287 | } | |
0fbc9f11 | 1288 | } |
27527aa0 BP |
1289 | |
1290 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1291 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1292 | "formats (%s)", usable_s); | |
0fbc9f11 BP |
1293 | } |
1294 | ||
db5076ee JR |
1295 | static void |
1296 | bundle_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, | |
1297 | size_t n_fms, enum ofputil_protocol usable_protocols) | |
1298 | { | |
1299 | enum ofputil_protocol protocol; | |
1300 | struct vconn *vconn; | |
1301 | struct ovs_list requests; | |
1302 | size_t i; | |
1303 | ||
1304 | list_init(&requests); | |
1305 | ||
1306 | /* Bundles need OpenFlow 1.4+. */ | |
1307 | usable_protocols &= OFPUTIL_P_OF14_UP; | |
1308 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); | |
1309 | ||
1310 | for (i = 0; i < n_fms; i++) { | |
1311 | struct ofputil_flow_mod *fm = &fms[i]; | |
1312 | struct ofpbuf *request = ofputil_encode_flow_mod(fm, protocol); | |
1313 | ||
1314 | list_push_back(&requests, &request->list_node); | |
1315 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); | |
1316 | } | |
1317 | ||
39c94593 | 1318 | bundle_transact(vconn, &requests, OFPBF_ORDERED | OFPBF_ATOMIC); |
db5076ee JR |
1319 | vconn_close(vconn); |
1320 | } | |
1321 | ||
064af421 | 1322 | static void |
e1fef0f9 | 1323 | ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, |
db0b6c29 | 1324 | size_t n_fms, enum ofputil_protocol usable_protocols) |
064af421 | 1325 | { |
27527aa0 | 1326 | enum ofputil_protocol protocol; |
064af421 | 1327 | struct vconn *vconn; |
27527aa0 | 1328 | size_t i; |
4989c59f | 1329 | |
db5076ee JR |
1330 | if (bundle) { |
1331 | bundle_flow_mod__(remote, fms, n_fms, usable_protocols); | |
1332 | return; | |
1333 | } | |
1334 | ||
db0b6c29 | 1335 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
049c8dc2 | 1336 | |
27527aa0 BP |
1337 | for (i = 0; i < n_fms; i++) { |
1338 | struct ofputil_flow_mod *fm = &fms[i]; | |
0fbc9f11 | 1339 | |
27527aa0 | 1340 | transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol)); |
dc723c44 | 1341 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
4989c59f | 1342 | } |
064af421 | 1343 | vconn_close(vconn); |
88ca35ee BP |
1344 | } |
1345 | ||
064af421 | 1346 | static void |
db5076ee | 1347 | ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], int command) |
064af421 | 1348 | { |
db0b6c29 | 1349 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
1350 | struct ofputil_flow_mod *fms = NULL; |
1351 | size_t n_fms = 0; | |
bdda5aca | 1352 | char *error; |
064af421 | 1353 | |
db5076ee JR |
1354 | if (command == OFPFC_ADD) { |
1355 | /* Allow the file to specify a mix of commands. If none specified at | |
1356 | * the beginning of any given line, then the default is OFPFC_ADD, so | |
1357 | * this is backwards compatible. */ | |
1358 | command = -2; | |
1359 | } | |
db0b6c29 | 1360 | error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms, |
ba2fe8e9 | 1361 | &usable_protocols); |
bdda5aca BP |
1362 | if (error) { |
1363 | ovs_fatal(0, "%s", error); | |
1364 | } | |
db0b6c29 | 1365 | ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols); |
27527aa0 BP |
1366 | free(fms); |
1367 | } | |
1368 | ||
1369 | static void | |
e1fef0f9 | 1370 | ofctl_flow_mod(int argc, char *argv[], uint16_t command) |
27527aa0 | 1371 | { |
4989c59f | 1372 | if (argc > 2 && !strcmp(argv[2], "-")) { |
e1fef0f9 | 1373 | ofctl_flow_mod_file(argc, argv, command); |
27527aa0 BP |
1374 | } else { |
1375 | struct ofputil_flow_mod fm; | |
bdda5aca | 1376 | char *error; |
3200ed58 | 1377 | enum ofputil_protocol usable_protocols; |
bdda5aca | 1378 | |
db0b6c29 | 1379 | error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, |
ba2fe8e9 | 1380 | &usable_protocols); |
bdda5aca BP |
1381 | if (error) { |
1382 | ovs_fatal(0, "%s", error); | |
1383 | } | |
db0b6c29 | 1384 | ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols); |
064af421 | 1385 | } |
4989c59f | 1386 | } |
88ca35ee | 1387 | |
4989c59f | 1388 | static void |
1636c761 | 1389 | ofctl_add_flow(struct ovs_cmdl_context *ctx) |
4989c59f | 1390 | { |
1636c761 | 1391 | ofctl_flow_mod(ctx->argc, ctx->argv, OFPFC_ADD); |
4989c59f BP |
1392 | } |
1393 | ||
1394 | static void | |
1636c761 | 1395 | ofctl_add_flows(struct ovs_cmdl_context *ctx) |
4989c59f | 1396 | { |
1636c761 | 1397 | ofctl_flow_mod_file(ctx->argc, ctx->argv, OFPFC_ADD); |
064af421 BP |
1398 | } |
1399 | ||
1400 | static void | |
1636c761 | 1401 | ofctl_mod_flows(struct ovs_cmdl_context *ctx) |
064af421 | 1402 | { |
1636c761 | 1403 | ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
1404 | } |
1405 | ||
88ca35ee | 1406 | static void |
1636c761 | 1407 | ofctl_del_flows(struct ovs_cmdl_context *ctx) |
064af421 | 1408 | { |
1636c761 | 1409 | ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
1410 | } |
1411 | ||
54834960 EJ |
1412 | static void |
1413 | set_packet_in_format(struct vconn *vconn, | |
1414 | enum nx_packet_in_format packet_in_format) | |
1415 | { | |
3f4a1939 SH |
1416 | struct ofpbuf *spif; |
1417 | ||
1418 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1419 | packet_in_format); | |
54834960 EJ |
1420 | transact_noreply(vconn, spif); |
1421 | VLOG_DBG("%s: using user-specified packet in format %s", | |
1422 | vconn_get_name(vconn), | |
1423 | ofputil_packet_in_format_to_string(packet_in_format)); | |
1424 | } | |
1425 | ||
f0fd1a17 PS |
1426 | static int |
1427 | monitor_set_invalid_ttl_to_controller(struct vconn *vconn) | |
1428 | { | |
1429 | struct ofp_switch_config config; | |
1430 | enum ofp_config_flags flags; | |
1431 | ||
1432 | fetch_switch_config(vconn, &config); | |
1433 | flags = ntohs(config.flags); | |
1434 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1435 | /* Set the invalid ttl config. */ | |
1436 | flags |= OFPC_INVALID_TTL_TO_CONTROLLER; | |
1437 | ||
1438 | config.flags = htons(flags); | |
1439 | set_switch_config(vconn, &config); | |
1440 | ||
1441 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1442 | * doesn't define error reporting for bad modes, so this is all we can | |
1443 | * do. */ | |
1444 | fetch_switch_config(vconn, &config); | |
1445 | flags = ntohs(config.flags); | |
1446 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1447 | ovs_fatal(0, "setting invalid_ttl_to_controller failed (this " | |
1448 | "switch probably doesn't support mode)"); | |
1449 | return -EOPNOTSUPP; | |
1450 | } | |
1451 | } | |
1452 | return 0; | |
1453 | } | |
1454 | ||
96761f58 BP |
1455 | /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The |
1456 | * caller must free '*msgp'. On success, returns NULL. On failure, returns | |
1457 | * an error message and stores NULL in '*msgp'. */ | |
1458 | static const char * | |
1459 | openflow_from_hex(const char *hex, struct ofpbuf **msgp) | |
1460 | { | |
1461 | struct ofp_header *oh; | |
1462 | struct ofpbuf *msg; | |
1463 | ||
1464 | msg = ofpbuf_new(strlen(hex) / 2); | |
1465 | *msgp = NULL; | |
1466 | ||
1467 | if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') { | |
1468 | ofpbuf_delete(msg); | |
1469 | return "Trailing garbage in hex data"; | |
1470 | } | |
1471 | ||
6fd6ed71 | 1472 | if (msg->size < sizeof(struct ofp_header)) { |
96761f58 BP |
1473 | ofpbuf_delete(msg); |
1474 | return "Message too short for OpenFlow"; | |
1475 | } | |
1476 | ||
6fd6ed71 PS |
1477 | oh = msg->data; |
1478 | if (msg->size != ntohs(oh->length)) { | |
96761f58 BP |
1479 | ofpbuf_delete(msg); |
1480 | return "Message size does not match length in OpenFlow header"; | |
1481 | } | |
1482 | ||
1483 | *msgp = msg; | |
1484 | return NULL; | |
1485 | } | |
1486 | ||
1487 | static void | |
1488 | ofctl_send(struct unixctl_conn *conn, int argc, | |
1489 | const char *argv[], void *vconn_) | |
1490 | { | |
1491 | struct vconn *vconn = vconn_; | |
1492 | struct ds reply; | |
1493 | bool ok; | |
1494 | int i; | |
1495 | ||
1496 | ok = true; | |
1497 | ds_init(&reply); | |
1498 | for (i = 1; i < argc; i++) { | |
1499 | const char *error_msg; | |
1500 | struct ofpbuf *msg; | |
1501 | int error; | |
1502 | ||
1503 | error_msg = openflow_from_hex(argv[i], &msg); | |
1504 | if (error_msg) { | |
1505 | ds_put_format(&reply, "%s\n", error_msg); | |
1506 | ok = false; | |
1507 | continue; | |
1508 | } | |
1509 | ||
1510 | fprintf(stderr, "send: "); | |
6fd6ed71 | 1511 | ofp_print(stderr, msg->data, msg->size, verbosity); |
96761f58 BP |
1512 | |
1513 | error = vconn_send_block(vconn, msg); | |
1514 | if (error) { | |
1515 | ofpbuf_delete(msg); | |
10a89ef0 | 1516 | ds_put_format(&reply, "%s\n", ovs_strerror(error)); |
96761f58 BP |
1517 | ok = false; |
1518 | } else { | |
1519 | ds_put_cstr(&reply, "sent\n"); | |
1520 | } | |
1521 | } | |
bde9f75d EJ |
1522 | |
1523 | if (ok) { | |
1524 | unixctl_command_reply(conn, ds_cstr(&reply)); | |
1525 | } else { | |
1526 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
1527 | } | |
96761f58 BP |
1528 | ds_destroy(&reply); |
1529 | } | |
1530 | ||
bb638b9a BP |
1531 | struct barrier_aux { |
1532 | struct vconn *vconn; /* OpenFlow connection for sending barrier. */ | |
1533 | struct unixctl_conn *conn; /* Connection waiting for barrier response. */ | |
1534 | }; | |
1535 | ||
1536 | static void | |
1537 | ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1538 | const char *argv[] OVS_UNUSED, void *aux_) | |
1539 | { | |
1540 | struct barrier_aux *aux = aux_; | |
1541 | struct ofpbuf *msg; | |
1542 | int error; | |
1543 | ||
1544 | if (aux->conn) { | |
bde9f75d | 1545 | unixctl_command_reply_error(conn, "already waiting for barrier reply"); |
bb638b9a BP |
1546 | return; |
1547 | } | |
1548 | ||
a0ae0b6e | 1549 | msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn)); |
bb638b9a BP |
1550 | error = vconn_send_block(aux->vconn, msg); |
1551 | if (error) { | |
1552 | ofpbuf_delete(msg); | |
10a89ef0 | 1553 | unixctl_command_reply_error(conn, ovs_strerror(error)); |
bb638b9a BP |
1554 | } else { |
1555 | aux->conn = conn; | |
1556 | } | |
1557 | } | |
1558 | ||
1e1d00a5 BP |
1559 | static void |
1560 | ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1561 | const char *argv[], void *aux OVS_UNUSED) | |
1562 | { | |
1563 | int fd; | |
1564 | ||
1565 | fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666); | |
1566 | if (fd < 0) { | |
10a89ef0 | 1567 | unixctl_command_reply_error(conn, ovs_strerror(errno)); |
1e1d00a5 BP |
1568 | return; |
1569 | } | |
1570 | ||
1571 | fflush(stderr); | |
1572 | dup2(fd, STDERR_FILENO); | |
1573 | close(fd); | |
bde9f75d | 1574 | unixctl_command_reply(conn, NULL); |
1e1d00a5 BP |
1575 | } |
1576 | ||
2b07c8b1 BP |
1577 | static void |
1578 | ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1579 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1580 | { |
4f8f2439 | 1581 | bool *blocked = blocked_; |
2b07c8b1 | 1582 | |
4f8f2439 BP |
1583 | if (!*blocked) { |
1584 | *blocked = true; | |
1585 | unixctl_command_reply(conn, NULL); | |
1586 | } else { | |
2b07c8b1 | 1587 | unixctl_command_reply(conn, "already blocking"); |
2b07c8b1 BP |
1588 | } |
1589 | } | |
1590 | ||
1591 | static void | |
1592 | ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1593 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1594 | { |
4f8f2439 | 1595 | bool *blocked = blocked_; |
2b07c8b1 | 1596 | |
4f8f2439 BP |
1597 | if (*blocked) { |
1598 | *blocked = false; | |
2b07c8b1 | 1599 | unixctl_command_reply(conn, NULL); |
4f8f2439 BP |
1600 | } else { |
1601 | unixctl_command_reply(conn, "already unblocked"); | |
2b07c8b1 BP |
1602 | } |
1603 | } | |
1604 | ||
05f453a8 BP |
1605 | /* Prints to stdout all of the messages received on 'vconn'. |
1606 | * | |
1607 | * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request | |
1608 | * received on 'vconn'. */ | |
064af421 | 1609 | static void |
05f453a8 | 1610 | monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests) |
0caf6bde | 1611 | { |
bb638b9a | 1612 | struct barrier_aux barrier_aux = { vconn, NULL }; |
1eb85ef5 EJ |
1613 | struct unixctl_server *server; |
1614 | bool exiting = false; | |
4f8f2439 | 1615 | bool blocked = false; |
7d0c5973 | 1616 | int error; |
1eb85ef5 | 1617 | |
7d0c5973 | 1618 | daemon_save_fd(STDERR_FILENO); |
e91b927d | 1619 | daemonize_start(false); |
19945013 | 1620 | error = unixctl_server_create(unixctl_path, &server); |
1eb85ef5 EJ |
1621 | if (error) { |
1622 | ovs_fatal(error, "failed to create unixctl server"); | |
1623 | } | |
1624 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
96761f58 BP |
1625 | unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX, |
1626 | ofctl_send, vconn); | |
bb638b9a BP |
1627 | unixctl_command_register("ofctl/barrier", "", 0, 0, |
1628 | ofctl_barrier, &barrier_aux); | |
1e1d00a5 BP |
1629 | unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1, |
1630 | ofctl_set_output_file, NULL); | |
2b07c8b1 | 1631 | |
4f8f2439 BP |
1632 | unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked); |
1633 | unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock, | |
1634 | &blocked); | |
2b07c8b1 | 1635 | |
1eb85ef5 EJ |
1636 | daemonize_complete(); |
1637 | ||
0caf6bde BP |
1638 | for (;;) { |
1639 | struct ofpbuf *b; | |
1eb85ef5 EJ |
1640 | int retval; |
1641 | ||
1642 | unixctl_server_run(server); | |
982697a4 | 1643 | |
4f8f2439 | 1644 | while (!blocked) { |
982697a4 | 1645 | enum ofptype type; |
bb638b9a | 1646 | |
1eb85ef5 EJ |
1647 | retval = vconn_recv(vconn, &b); |
1648 | if (retval == EAGAIN) { | |
1649 | break; | |
1650 | } | |
1eb85ef5 | 1651 | run(retval, "vconn_recv"); |
31c6fcd7 | 1652 | |
0c9560b7 | 1653 | if (timestamp) { |
2b31d8e7 PI |
1654 | char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ", |
1655 | time_wall_msec(), true); | |
0c9560b7 | 1656 | fputs(s, stderr); |
3e78870d | 1657 | free(s); |
0c9560b7 | 1658 | } |
31c6fcd7 | 1659 | |
6fd6ed71 PS |
1660 | ofptype_decode(&type, b->data); |
1661 | ofp_print(stderr, b->data, b->size, verbosity + 2); | |
eafa7af8 | 1662 | fflush(stderr); |
bb638b9a | 1663 | |
05f453a8 BP |
1664 | switch ((int) type) { |
1665 | case OFPTYPE_BARRIER_REPLY: | |
1666 | if (barrier_aux.conn) { | |
1667 | unixctl_command_reply(barrier_aux.conn, NULL); | |
1668 | barrier_aux.conn = NULL; | |
1669 | } | |
1670 | break; | |
1671 | ||
1672 | case OFPTYPE_ECHO_REQUEST: | |
1673 | if (reply_to_echo_requests) { | |
1674 | struct ofpbuf *reply; | |
1675 | ||
6fd6ed71 | 1676 | reply = make_echo_reply(b->data); |
05f453a8 BP |
1677 | retval = vconn_send_block(vconn, reply); |
1678 | if (retval) { | |
1679 | ovs_fatal(retval, "failed to send echo reply"); | |
1680 | } | |
1681 | } | |
1682 | break; | |
bb638b9a | 1683 | } |
05f453a8 | 1684 | ofpbuf_delete(b); |
1eb85ef5 EJ |
1685 | } |
1686 | ||
1687 | if (exiting) { | |
1688 | break; | |
1689 | } | |
1690 | ||
1691 | vconn_run(vconn); | |
1692 | vconn_run_wait(vconn); | |
4f8f2439 BP |
1693 | if (!blocked) { |
1694 | vconn_recv_wait(vconn); | |
1695 | } | |
1eb85ef5 EJ |
1696 | unixctl_server_wait(server); |
1697 | poll_block(); | |
0caf6bde | 1698 | } |
828c72d0 BP |
1699 | vconn_close(vconn); |
1700 | unixctl_server_destroy(server); | |
0caf6bde BP |
1701 | } |
1702 | ||
1703 | static void | |
1636c761 | 1704 | ofctl_monitor(struct ovs_cmdl_context *ctx) |
064af421 BP |
1705 | { |
1706 | struct vconn *vconn; | |
2b07c8b1 | 1707 | int i; |
db0b6c29 | 1708 | enum ofputil_protocol usable_protocols; |
064af421 | 1709 | |
1636c761 RB |
1710 | open_vconn(ctx->argv[1], &vconn); |
1711 | for (i = 2; i < ctx->argc; i++) { | |
1712 | const char *arg = ctx->argv[i]; | |
064af421 | 1713 | |
2b07c8b1 BP |
1714 | if (isdigit((unsigned char) *arg)) { |
1715 | struct ofp_switch_config config; | |
1716 | ||
1717 | fetch_switch_config(vconn, &config); | |
1718 | config.miss_send_len = htons(atoi(arg)); | |
1719 | set_switch_config(vconn, &config); | |
1720 | } else if (!strcmp(arg, "invalid_ttl")) { | |
f0fd1a17 | 1721 | monitor_set_invalid_ttl_to_controller(vconn); |
2b07c8b1 BP |
1722 | } else if (!strncmp(arg, "watch:", 6)) { |
1723 | struct ofputil_flow_monitor_request fmr; | |
1724 | struct ofpbuf *msg; | |
bdda5aca | 1725 | char *error; |
2b07c8b1 | 1726 | |
db0b6c29 JR |
1727 | error = parse_flow_monitor_request(&fmr, arg + 6, |
1728 | &usable_protocols); | |
bdda5aca BP |
1729 | if (error) { |
1730 | ovs_fatal(0, "%s", error); | |
1731 | } | |
2b07c8b1 BP |
1732 | |
1733 | msg = ofpbuf_new(0); | |
1734 | ofputil_append_flow_monitor_request(&fmr, msg); | |
53514387 | 1735 | dump_stats_transaction(vconn, msg); |
eafa7af8 | 1736 | fflush(stdout); |
2b07c8b1 BP |
1737 | } else { |
1738 | ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg); | |
f0fd1a17 PS |
1739 | } |
1740 | } | |
2b07c8b1 | 1741 | |
ca8526e0 BP |
1742 | if (preferred_packet_in_format >= 0) { |
1743 | set_packet_in_format(vconn, preferred_packet_in_format); | |
1744 | } else { | |
f02b12c4 SH |
1745 | enum ofp_version version = vconn_get_version(vconn); |
1746 | ||
1747 | switch (version) { | |
1748 | case OFP10_VERSION: { | |
1749 | struct ofpbuf *spif, *reply; | |
1750 | ||
1751 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1752 | NXPIF_NXM); | |
1753 | run(vconn_transact_noreply(vconn, spif, &reply), | |
1754 | "talking to %s", vconn_get_name(vconn)); | |
1755 | if (reply) { | |
6fd6ed71 | 1756 | char *s = ofp_to_string(reply->data, reply->size, 2); |
f02b12c4 SH |
1757 | VLOG_DBG("%s: failed to set packet in format to nxm, controller" |
1758 | " replied: %s. Falling back to the switch default.", | |
1759 | vconn_get_name(vconn), s); | |
1760 | free(s); | |
1761 | ofpbuf_delete(reply); | |
1762 | } | |
1763 | break; | |
1764 | } | |
1765 | case OFP11_VERSION: | |
1766 | case OFP12_VERSION: | |
1767 | case OFP13_VERSION: | |
c37c0382 | 1768 | case OFP14_VERSION: |
42dccab5 | 1769 | case OFP15_VERSION: |
f02b12c4 SH |
1770 | break; |
1771 | default: | |
428b2edd | 1772 | OVS_NOT_REACHED(); |
ca8526e0 BP |
1773 | } |
1774 | } | |
1775 | ||
05f453a8 | 1776 | monitor_vconn(vconn, true); |
0caf6bde BP |
1777 | } |
1778 | ||
1779 | static void | |
1636c761 | 1780 | ofctl_snoop(struct ovs_cmdl_context *ctx) |
0caf6bde BP |
1781 | { |
1782 | struct vconn *vconn; | |
1783 | ||
1636c761 | 1784 | open_vconn__(ctx->argv[1], SNOOP, &vconn); |
05f453a8 | 1785 | monitor_vconn(vconn, false); |
064af421 BP |
1786 | } |
1787 | ||
1788 | static void | |
1636c761 | 1789 | ofctl_dump_ports(struct ovs_cmdl_context *ctx) |
064af421 | 1790 | { |
abaad8cf | 1791 | struct ofpbuf *request; |
53514387 | 1792 | struct vconn *vconn; |
4e022ec0 | 1793 | ofp_port_t port; |
abaad8cf | 1794 | |
1636c761 RB |
1795 | open_vconn(ctx->argv[1], &vconn); |
1796 | port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY; | |
f8e4867e | 1797 | request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port); |
53514387 SH |
1798 | dump_stats_transaction(vconn, request); |
1799 | vconn_close(vconn); | |
064af421 BP |
1800 | } |
1801 | ||
2be393ed | 1802 | static void |
1636c761 | 1803 | ofctl_dump_ports_desc(struct ovs_cmdl_context *ctx) |
2be393ed | 1804 | { |
70ae4f93 BP |
1805 | struct ofpbuf *request; |
1806 | struct vconn *vconn; | |
1807 | ofp_port_t port; | |
1808 | ||
1636c761 RB |
1809 | open_vconn(ctx->argv[1], &vconn); |
1810 | port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY; | |
70ae4f93 BP |
1811 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), |
1812 | port); | |
1813 | dump_stats_transaction(vconn, request); | |
1814 | vconn_close(vconn); | |
2be393ed JP |
1815 | } |
1816 | ||
064af421 | 1817 | static void |
1636c761 | 1818 | ofctl_probe(struct ovs_cmdl_context *ctx) |
064af421 BP |
1819 | { |
1820 | struct ofpbuf *request; | |
1821 | struct vconn *vconn; | |
1822 | struct ofpbuf *reply; | |
1823 | ||
1636c761 | 1824 | open_vconn(ctx->argv[1], &vconn); |
1a126c0c | 1825 | request = make_echo_request(vconn_get_version(vconn)); |
1636c761 | 1826 | run(vconn_transact(vconn, request, &reply), "talking to %s", ctx->argv[1]); |
6fd6ed71 | 1827 | if (reply->size != sizeof(struct ofp_header)) { |
064af421 BP |
1828 | ovs_fatal(0, "reply does not match request"); |
1829 | } | |
1830 | ofpbuf_delete(reply); | |
1831 | vconn_close(vconn); | |
1832 | } | |
1833 | ||
0c3d5fc8 | 1834 | static void |
1636c761 | 1835 | ofctl_packet_out(struct ovs_cmdl_context *ctx) |
0c3d5fc8 | 1836 | { |
de0f3156 | 1837 | enum ofputil_protocol protocol; |
0c3d5fc8 | 1838 | struct ofputil_packet_out po; |
f25d0cf3 | 1839 | struct ofpbuf ofpacts; |
0c3d5fc8 | 1840 | struct vconn *vconn; |
bdda5aca | 1841 | char *error; |
0c3d5fc8 | 1842 | int i; |
b420c0cf | 1843 | enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */ |
0c3d5fc8 | 1844 | |
f25d0cf3 | 1845 | ofpbuf_init(&ofpacts, 64); |
1636c761 | 1846 | error = ofpacts_parse_actions(ctx->argv[3], &ofpacts, &usable_protocols); |
bdda5aca BP |
1847 | if (error) { |
1848 | ovs_fatal(0, "%s", error); | |
1849 | } | |
0c3d5fc8 BP |
1850 | |
1851 | po.buffer_id = UINT32_MAX; | |
1636c761 | 1852 | po.in_port = str_to_port_no(ctx->argv[1], ctx->argv[2]); |
6fd6ed71 PS |
1853 | po.ofpacts = ofpacts.data; |
1854 | po.ofpacts_len = ofpacts.size; | |
0c3d5fc8 | 1855 | |
1636c761 RB |
1856 | protocol = open_vconn(ctx->argv[1], &vconn); |
1857 | for (i = 4; i < ctx->argc; i++) { | |
cf62fa4c PS |
1858 | struct dp_packet *packet; |
1859 | struct ofpbuf *opo; | |
0c3d5fc8 BP |
1860 | const char *error_msg; |
1861 | ||
1636c761 | 1862 | error_msg = eth_from_hex(ctx->argv[i], &packet); |
0c3d5fc8 BP |
1863 | if (error_msg) { |
1864 | ovs_fatal(0, "%s", error_msg); | |
1865 | } | |
1866 | ||
cf62fa4c PS |
1867 | po.packet = dp_packet_data(packet); |
1868 | po.packet_len = dp_packet_size(packet); | |
de0f3156 | 1869 | opo = ofputil_encode_packet_out(&po, protocol); |
0c3d5fc8 | 1870 | transact_noreply(vconn, opo); |
cf62fa4c | 1871 | dp_packet_delete(packet); |
0c3d5fc8 BP |
1872 | } |
1873 | vconn_close(vconn); | |
f25d0cf3 | 1874 | ofpbuf_uninit(&ofpacts); |
0c3d5fc8 BP |
1875 | } |
1876 | ||
064af421 | 1877 | static void |
1636c761 | 1878 | ofctl_mod_port(struct ovs_cmdl_context *ctx) |
064af421 | 1879 | { |
28124950 BP |
1880 | struct ofp_config_flag { |
1881 | const char *name; /* The flag's name. */ | |
1882 | enum ofputil_port_config bit; /* Bit to turn on or off. */ | |
1883 | bool on; /* Value to set the bit to. */ | |
1884 | }; | |
1885 | static const struct ofp_config_flag flags[] = { | |
1886 | { "up", OFPUTIL_PC_PORT_DOWN, false }, | |
1887 | { "down", OFPUTIL_PC_PORT_DOWN, true }, | |
1888 | { "stp", OFPUTIL_PC_NO_STP, false }, | |
1889 | { "receive", OFPUTIL_PC_NO_RECV, false }, | |
1890 | { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false }, | |
1891 | { "flood", OFPUTIL_PC_NO_FLOOD, false }, | |
1892 | { "forward", OFPUTIL_PC_NO_FWD, false }, | |
1893 | { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false }, | |
1894 | }; | |
1895 | ||
1896 | const struct ofp_config_flag *flag; | |
9e1fd49b BP |
1897 | enum ofputil_protocol protocol; |
1898 | struct ofputil_port_mod pm; | |
1899 | struct ofputil_phy_port pp; | |
064af421 | 1900 | struct vconn *vconn; |
28124950 BP |
1901 | const char *command; |
1902 | bool not; | |
064af421 | 1903 | |
1636c761 | 1904 | fetch_ofputil_phy_port(ctx->argv[1], ctx->argv[2], &pp); |
064af421 | 1905 | |
9e1fd49b | 1906 | pm.port_no = pp.port_no; |
74ff3298 | 1907 | pm.hw_addr = pp.hw_addr; |
9e1fd49b BP |
1908 | pm.config = 0; |
1909 | pm.mask = 0; | |
1910 | pm.advertise = 0; | |
064af421 | 1911 | |
1636c761 RB |
1912 | if (!strncasecmp(ctx->argv[3], "no-", 3)) { |
1913 | command = ctx->argv[3] + 3; | |
28124950 | 1914 | not = true; |
1636c761 RB |
1915 | } else if (!strncasecmp(ctx->argv[3], "no", 2)) { |
1916 | command = ctx->argv[3] + 2; | |
28124950 | 1917 | not = true; |
064af421 | 1918 | } else { |
1636c761 | 1919 | command = ctx->argv[3]; |
28124950 BP |
1920 | not = false; |
1921 | } | |
1922 | for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) { | |
1923 | if (!strcasecmp(command, flag->name)) { | |
1924 | pm.mask = flag->bit; | |
1925 | pm.config = flag->on ^ not ? flag->bit : 0; | |
1926 | goto found; | |
1927 | } | |
064af421 | 1928 | } |
1636c761 | 1929 | ovs_fatal(0, "unknown mod-port command '%s'", ctx->argv[3]); |
064af421 | 1930 | |
28124950 | 1931 | found: |
1636c761 | 1932 | protocol = open_vconn(ctx->argv[1], &vconn); |
9e1fd49b | 1933 | transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol)); |
064af421 BP |
1934 | vconn_close(vconn); |
1935 | } | |
1936 | ||
de7d3c07 SJ |
1937 | /* This function uses OFPMP14_TABLE_DESC request to get the current |
1938 | * table configuration from switch. The function then modifies | |
1939 | * only that table-config property, which has been requested. */ | |
1940 | static void | |
1941 | fetch_table_desc(struct vconn *vconn, struct ofputil_table_mod *tm, | |
1942 | struct ofputil_table_desc *td) | |
1943 | { | |
1944 | struct ofpbuf *request; | |
1945 | ovs_be32 send_xid; | |
1946 | bool done = false; | |
1947 | bool found = false; | |
1948 | ||
1949 | request = ofputil_encode_table_desc_request(vconn_get_version(vconn)); | |
1950 | send_xid = ((struct ofp_header *) request->data)->xid; | |
1951 | send_openflow_buffer(vconn, request); | |
1952 | while (!done) { | |
1953 | ovs_be32 recv_xid; | |
1954 | struct ofpbuf *reply; | |
1955 | ||
1956 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
1957 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
1958 | if (send_xid == recv_xid) { | |
1959 | struct ofp_header *oh = reply->data; | |
1960 | enum ofptype type; | |
1961 | struct ofpbuf b; | |
1962 | uint16_t flags; | |
1963 | ||
1964 | ofpbuf_use_const(&b, oh, ntohs(oh->length)); | |
1965 | if (ofptype_pull(&type, &b) | |
1966 | || type != OFPTYPE_TABLE_DESC_REPLY) { | |
1967 | ovs_fatal(0, "received bad reply: %s", | |
1968 | ofp_to_string(reply->data, reply->size, | |
1969 | verbosity + 1)); | |
1970 | } | |
1971 | flags = ofpmp_flags(oh); | |
1972 | done = !(flags & OFPSF_REPLY_MORE); | |
1973 | if (found) { | |
1974 | /* We've already found the table desc consisting of current | |
1975 | * table configuration, but we need to drain the queue of | |
1976 | * any other replies for this request. */ | |
1977 | continue; | |
1978 | } | |
1979 | while (!ofputil_decode_table_desc(&b, td, oh->version)) { | |
1980 | if (td->table_id == tm->table_id) { | |
1981 | found = true; | |
1982 | break; | |
1983 | } | |
1984 | } | |
1985 | } else { | |
1986 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
1987 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
1988 | } | |
1989 | ofpbuf_delete(reply); | |
1990 | } | |
1991 | if (tm->eviction != OFPUTIL_TABLE_EVICTION_DEFAULT) { | |
1992 | tm->vacancy = td->vacancy; | |
1993 | tm->table_vacancy.vacancy_down = td->table_vacancy.vacancy_down; | |
1994 | tm->table_vacancy.vacancy_up = td->table_vacancy.vacancy_up; | |
1995 | } else if (tm->vacancy != OFPUTIL_TABLE_VACANCY_DEFAULT) { | |
1996 | tm->eviction = td->eviction; | |
1997 | tm->eviction_flags = td->eviction_flags; | |
1998 | } | |
1999 | } | |
2000 | ||
918f2b82 | 2001 | static void |
1636c761 | 2002 | ofctl_mod_table(struct ovs_cmdl_context *ctx) |
918f2b82 | 2003 | { |
82c22d34 | 2004 | uint32_t usable_versions; |
918f2b82 AZ |
2005 | struct ofputil_table_mod tm; |
2006 | struct vconn *vconn; | |
2007 | char *error; | |
de7d3c07 | 2008 | int i; |
918f2b82 | 2009 | |
82c22d34 BP |
2010 | error = parse_ofp_table_mod(&tm, ctx->argv[2], ctx->argv[3], |
2011 | &usable_versions); | |
918f2b82 AZ |
2012 | if (error) { |
2013 | ovs_fatal(0, "%s", error); | |
2014 | } | |
2015 | ||
82c22d34 BP |
2016 | uint32_t allowed_versions = get_allowed_ofp_versions(); |
2017 | if (!(allowed_versions & usable_versions)) { | |
2018 | struct ds versions = DS_EMPTY_INITIALIZER; | |
de7d3c07 | 2019 | ofputil_format_version_bitmap_names(&versions, usable_versions); |
82c22d34 | 2020 | ovs_fatal(0, "table_mod '%s' requires one of the OpenFlow " |
de7d3c07 | 2021 | "versions %s", |
82c22d34 | 2022 | ctx->argv[3], ds_cstr(&versions)); |
918f2b82 | 2023 | } |
82c22d34 | 2024 | mask_allowed_ofp_versions(usable_versions); |
82c22d34 | 2025 | enum ofputil_protocol protocol = open_vconn(ctx->argv[1], &vconn); |
de7d3c07 SJ |
2026 | |
2027 | /* For OpenFlow 1.4+, ovs-ofctl mod-table should not affect table-config | |
2028 | * properties that the user didn't ask to change, so it is necessary to | |
2029 | * restore the current configuration of table-config parameters using | |
2030 | * OFPMP14_TABLE_DESC request. */ | |
2031 | if ((allowed_versions & (1u << OFP14_VERSION)) || | |
2032 | (allowed_versions & (1u << OFP15_VERSION))) { | |
2033 | struct ofputil_table_desc td; | |
2034 | ||
2035 | if (tm.table_id == OFPTT_ALL) { | |
2036 | for (i = 0; i < OFPTT_MAX; i++) { | |
2037 | tm.table_id = i; | |
2038 | fetch_table_desc(vconn, &tm, &td); | |
2039 | transact_noreply(vconn, | |
2040 | ofputil_encode_table_mod(&tm, protocol)); | |
2041 | } | |
2042 | } else { | |
2043 | fetch_table_desc(vconn, &tm, &td); | |
2044 | transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol)); | |
2045 | } | |
2046 | } else { | |
2047 | transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol)); | |
2048 | } | |
918f2b82 AZ |
2049 | vconn_close(vconn); |
2050 | } | |
2051 | ||
7257b535 | 2052 | static void |
1636c761 | 2053 | ofctl_get_frags(struct ovs_cmdl_context *ctx) |
7257b535 BP |
2054 | { |
2055 | struct ofp_switch_config config; | |
2056 | struct vconn *vconn; | |
2057 | ||
1636c761 | 2058 | open_vconn(ctx->argv[1], &vconn); |
7257b535 BP |
2059 | fetch_switch_config(vconn, &config); |
2060 | puts(ofputil_frag_handling_to_string(ntohs(config.flags))); | |
2061 | vconn_close(vconn); | |
2062 | } | |
2063 | ||
2064 | static void | |
1636c761 | 2065 | ofctl_set_frags(struct ovs_cmdl_context *ctx) |
7257b535 BP |
2066 | { |
2067 | struct ofp_switch_config config; | |
2068 | enum ofp_config_flags mode; | |
2069 | struct vconn *vconn; | |
2070 | ovs_be16 flags; | |
2071 | ||
1636c761 RB |
2072 | if (!ofputil_frag_handling_from_string(ctx->argv[2], &mode)) { |
2073 | ovs_fatal(0, "%s: unknown fragment handling mode", ctx->argv[2]); | |
7257b535 BP |
2074 | } |
2075 | ||
1636c761 | 2076 | open_vconn(ctx->argv[1], &vconn); |
7257b535 BP |
2077 | fetch_switch_config(vconn, &config); |
2078 | flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK)); | |
2079 | if (flags != config.flags) { | |
2080 | /* Set the configuration. */ | |
2081 | config.flags = flags; | |
2082 | set_switch_config(vconn, &config); | |
2083 | ||
2084 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
2085 | * doesn't define error reporting for bad modes, so this is all we can | |
2086 | * do. */ | |
2087 | fetch_switch_config(vconn, &config); | |
2088 | if (flags != config.flags) { | |
2089 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " | |
2090 | "switch probably doesn't support mode \"%s\")", | |
1636c761 | 2091 | ctx->argv[1], ofputil_frag_handling_to_string(mode)); |
7257b535 BP |
2092 | } |
2093 | } | |
2094 | vconn_close(vconn); | |
2095 | } | |
2096 | ||
1ac0e975 | 2097 | static void |
1636c761 | 2098 | ofctl_ofp_parse(struct ovs_cmdl_context *ctx) |
1ac0e975 | 2099 | { |
1636c761 | 2100 | const char *filename = ctx->argv[1]; |
1ac0e975 BP |
2101 | struct ofpbuf b; |
2102 | FILE *file; | |
2103 | ||
2104 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
2105 | if (file == NULL) { | |
2106 | ovs_fatal(errno, "%s: open", filename); | |
2107 | } | |
2108 | ||
2109 | ofpbuf_init(&b, 65536); | |
2110 | for (;;) { | |
2111 | struct ofp_header *oh; | |
2112 | size_t length, tail_len; | |
2113 | void *tail; | |
2114 | size_t n; | |
2115 | ||
2116 | ofpbuf_clear(&b); | |
2117 | oh = ofpbuf_put_uninit(&b, sizeof *oh); | |
2118 | n = fread(oh, 1, sizeof *oh, file); | |
2119 | if (n == 0) { | |
2120 | break; | |
2121 | } else if (n < sizeof *oh) { | |
2122 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
2123 | } | |
2124 | ||
2125 | length = ntohs(oh->length); | |
2126 | if (length < sizeof *oh) { | |
34582733 | 2127 | ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow", |
1ac0e975 BP |
2128 | filename, length); |
2129 | } | |
2130 | ||
2131 | tail_len = length - sizeof *oh; | |
2132 | tail = ofpbuf_put_uninit(&b, tail_len); | |
2133 | n = fread(tail, 1, tail_len, file); | |
2134 | if (n < tail_len) { | |
2135 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
2136 | } | |
2137 | ||
6fd6ed71 | 2138 | ofp_print(stdout, b.data, b.size, verbosity + 2); |
1ac0e975 BP |
2139 | } |
2140 | ofpbuf_uninit(&b); | |
2141 | ||
2142 | if (file != stdin) { | |
2143 | fclose(file); | |
2144 | } | |
2145 | } | |
2146 | ||
f3dd1419 BP |
2147 | static bool |
2148 | is_openflow_port(ovs_be16 port_, char *ports[]) | |
2149 | { | |
2150 | uint16_t port = ntohs(port_); | |
2151 | if (ports[0]) { | |
2152 | int i; | |
2153 | ||
2154 | for (i = 0; ports[i]; i++) { | |
2155 | if (port == atoi(ports[i])) { | |
2156 | return true; | |
2157 | } | |
2158 | } | |
2159 | return false; | |
2160 | } else { | |
2161 | return port == OFP_PORT || port == OFP_OLD_PORT; | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | static void | |
1636c761 | 2166 | ofctl_ofp_parse_pcap(struct ovs_cmdl_context *ctx) |
f3dd1419 BP |
2167 | { |
2168 | struct tcp_reader *reader; | |
2169 | FILE *file; | |
2170 | int error; | |
2171 | bool first; | |
2172 | ||
1636c761 | 2173 | file = ovs_pcap_open(ctx->argv[1], "rb"); |
f3dd1419 | 2174 | if (!file) { |
1636c761 | 2175 | ovs_fatal(errno, "%s: open failed", ctx->argv[1]); |
f3dd1419 BP |
2176 | } |
2177 | ||
2178 | reader = tcp_reader_open(); | |
2179 | first = true; | |
2180 | for (;;) { | |
cf62fa4c | 2181 | struct dp_packet *packet; |
f3dd1419 BP |
2182 | long long int when; |
2183 | struct flow flow; | |
2184 | ||
50aa0364 | 2185 | error = ovs_pcap_read(file, &packet, &when); |
f3dd1419 BP |
2186 | if (error) { |
2187 | break; | |
2188 | } | |
35303d71 | 2189 | pkt_metadata_init(&packet->md, ODPP_NONE); |
cf62fa4c | 2190 | flow_extract(packet, &flow); |
f3dd1419 BP |
2191 | if (flow.dl_type == htons(ETH_TYPE_IP) |
2192 | && flow.nw_proto == IPPROTO_TCP | |
1636c761 RB |
2193 | && (is_openflow_port(flow.tp_src, ctx->argv + 2) || |
2194 | is_openflow_port(flow.tp_dst, ctx->argv + 2))) { | |
cf62fa4c | 2195 | struct dp_packet *payload = tcp_reader_run(reader, &flow, packet); |
f3dd1419 | 2196 | if (payload) { |
cf62fa4c | 2197 | while (dp_packet_size(payload) >= sizeof(struct ofp_header)) { |
f3dd1419 | 2198 | const struct ofp_header *oh; |
cf62fa4c | 2199 | void *data = dp_packet_data(payload); |
f3dd1419 BP |
2200 | int length; |
2201 | ||
2202 | /* Align OpenFlow on 8-byte boundary for safe access. */ | |
cf62fa4c | 2203 | dp_packet_shift(payload, -((intptr_t) data & 7)); |
f3dd1419 | 2204 | |
cf62fa4c | 2205 | oh = dp_packet_data(payload); |
f3dd1419 | 2206 | length = ntohs(oh->length); |
cf62fa4c | 2207 | if (dp_packet_size(payload) < length) { |
f3dd1419 BP |
2208 | break; |
2209 | } | |
2210 | ||
2211 | if (!first) { | |
2212 | putchar('\n'); | |
2213 | } | |
2214 | first = false; | |
2215 | ||
2216 | if (timestamp) { | |
2217 | char *s = xastrftime_msec("%H:%M:%S.### ", when, true); | |
2218 | fputs(s, stdout); | |
2219 | free(s); | |
2220 | } | |
2221 | ||
2222 | printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n", | |
2223 | IP_ARGS(flow.nw_src), ntohs(flow.tp_src), | |
2224 | IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst)); | |
cf62fa4c PS |
2225 | ofp_print(stdout, dp_packet_data(payload), length, verbosity + 1); |
2226 | dp_packet_pull(payload, length); | |
f3dd1419 BP |
2227 | } |
2228 | } | |
2229 | } | |
cf62fa4c | 2230 | dp_packet_delete(packet); |
f3dd1419 BP |
2231 | } |
2232 | tcp_reader_close(reader); | |
2233 | } | |
2234 | ||
064af421 | 2235 | static void |
1636c761 | 2236 | ofctl_ping(struct ovs_cmdl_context *ctx) |
064af421 BP |
2237 | { |
2238 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2239 | unsigned int payload; | |
2240 | struct vconn *vconn; | |
2241 | int i; | |
2242 | ||
1636c761 | 2243 | payload = ctx->argc > 2 ? atoi(ctx->argv[2]) : 64; |
064af421 | 2244 | if (payload > max_payload) { |
34582733 | 2245 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2246 | } |
2247 | ||
1636c761 | 2248 | open_vconn(ctx->argv[1], &vconn); |
064af421 BP |
2249 | for (i = 0; i < 10; i++) { |
2250 | struct timeval start, end; | |
2251 | struct ofpbuf *request, *reply; | |
982697a4 BP |
2252 | const struct ofp_header *rpy_hdr; |
2253 | enum ofptype type; | |
064af421 | 2254 | |
a53a8efa SH |
2255 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2256 | vconn_get_version(vconn), payload); | |
982697a4 | 2257 | random_bytes(ofpbuf_put_uninit(request, payload), payload); |
064af421 | 2258 | |
279c9e03 | 2259 | xgettimeofday(&start); |
064af421 | 2260 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 2261 | xgettimeofday(&end); |
064af421 | 2262 | |
6fd6ed71 | 2263 | rpy_hdr = reply->data; |
982697a4 BP |
2264 | if (ofptype_pull(&type, reply) |
2265 | || type != OFPTYPE_ECHO_REPLY | |
6fd6ed71 PS |
2266 | || reply->size != payload |
2267 | || memcmp(request->msg, reply->msg, payload)) { | |
064af421 | 2268 | printf("Reply does not match request. Request:\n"); |
6fd6ed71 | 2269 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 2270 | printf("Reply:\n"); |
6fd6ed71 | 2271 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 2272 | } |
437d0d22 | 2273 | printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
1636c761 | 2274 | reply->size, ctx->argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
2275 | (1000*(double)(end.tv_sec - start.tv_sec)) |
2276 | + (.001*(end.tv_usec - start.tv_usec))); | |
2277 | ofpbuf_delete(request); | |
2278 | ofpbuf_delete(reply); | |
2279 | } | |
2280 | vconn_close(vconn); | |
2281 | } | |
2282 | ||
2283 | static void | |
1636c761 | 2284 | ofctl_benchmark(struct ovs_cmdl_context *ctx) |
064af421 BP |
2285 | { |
2286 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2287 | struct timeval start, end; | |
2288 | unsigned int payload_size, message_size; | |
2289 | struct vconn *vconn; | |
2290 | double duration; | |
2291 | int count; | |
2292 | int i; | |
2293 | ||
1636c761 | 2294 | payload_size = atoi(ctx->argv[2]); |
064af421 | 2295 | if (payload_size > max_payload) { |
34582733 | 2296 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2297 | } |
2298 | message_size = sizeof(struct ofp_header) + payload_size; | |
2299 | ||
1636c761 | 2300 | count = atoi(ctx->argv[3]); |
064af421 BP |
2301 | |
2302 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
2303 | count, message_size, count * message_size); | |
2304 | ||
1636c761 | 2305 | open_vconn(ctx->argv[1], &vconn); |
279c9e03 | 2306 | xgettimeofday(&start); |
064af421 BP |
2307 | for (i = 0; i < count; i++) { |
2308 | struct ofpbuf *request, *reply; | |
064af421 | 2309 | |
a53a8efa SH |
2310 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2311 | vconn_get_version(vconn), payload_size); | |
982697a4 | 2312 | ofpbuf_put_zeros(request, payload_size); |
064af421 BP |
2313 | run(vconn_transact(vconn, request, &reply), "transact"); |
2314 | ofpbuf_delete(reply); | |
2315 | } | |
279c9e03 | 2316 | xgettimeofday(&end); |
064af421 BP |
2317 | vconn_close(vconn); |
2318 | ||
2319 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
2320 | + (.001*(end.tv_usec - start.tv_usec))); | |
2321 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
2322 | duration, count / (duration / 1000.0), | |
2323 | count * message_size / (duration / 1000.0)); | |
2324 | } | |
2325 | ||
7395c052 NZ |
2326 | static void |
2327 | ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms, | |
69185eb2 | 2328 | size_t n_gms, enum ofputil_protocol usable_protocols) |
7395c052 | 2329 | { |
69185eb2 | 2330 | enum ofputil_protocol protocol; |
7395c052 | 2331 | struct ofputil_group_mod *gm; |
69185eb2 | 2332 | enum ofp_version version; |
7395c052 NZ |
2333 | struct ofpbuf *request; |
2334 | ||
2335 | struct vconn *vconn; | |
2336 | size_t i; | |
2337 | ||
69185eb2 SH |
2338 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
2339 | version = ofputil_protocol_to_ofp_version(protocol); | |
7395c052 NZ |
2340 | |
2341 | for (i = 0; i < n_gms; i++) { | |
2342 | gm = &gms[i]; | |
69185eb2 | 2343 | request = ofputil_encode_group_mod(version, gm); |
7395c052 NZ |
2344 | if (request) { |
2345 | transact_noreply(vconn, request); | |
2346 | } | |
2347 | } | |
2348 | ||
2349 | vconn_close(vconn); | |
2350 | ||
2351 | } | |
2352 | ||
2353 | ||
2354 | static void | |
2355 | ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) | |
2356 | { | |
2357 | struct ofputil_group_mod *gms = NULL; | |
2358 | enum ofputil_protocol usable_protocols; | |
2359 | size_t n_gms = 0; | |
2360 | char *error; | |
0da32511 | 2361 | int i; |
7395c052 NZ |
2362 | |
2363 | error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms, | |
2364 | &usable_protocols); | |
2365 | if (error) { | |
2366 | ovs_fatal(0, "%s", error); | |
2367 | } | |
69185eb2 | 2368 | ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols); |
0da32511 SH |
2369 | for (i = 0; i < n_gms; i++) { |
2370 | ofputil_bucket_list_destroy(&gms[i].buckets); | |
2371 | } | |
7395c052 NZ |
2372 | free(gms); |
2373 | } | |
2374 | ||
2375 | static void | |
2376 | ofctl_group_mod(int argc, char *argv[], uint16_t command) | |
2377 | { | |
2378 | if (argc > 2 && !strcmp(argv[2], "-")) { | |
2379 | ofctl_group_mod_file(argc, argv, command); | |
2380 | } else { | |
2381 | enum ofputil_protocol usable_protocols; | |
2382 | struct ofputil_group_mod gm; | |
2383 | char *error; | |
2384 | ||
2385 | error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "", | |
2386 | &usable_protocols); | |
2387 | if (error) { | |
2388 | ovs_fatal(0, "%s", error); | |
2389 | } | |
69185eb2 | 2390 | ofctl_group_mod__(argv[1], &gm, 1, usable_protocols); |
0da32511 | 2391 | ofputil_bucket_list_destroy(&gm.buckets); |
7395c052 NZ |
2392 | } |
2393 | } | |
2394 | ||
2395 | static void | |
1636c761 | 2396 | ofctl_add_group(struct ovs_cmdl_context *ctx) |
7395c052 | 2397 | { |
1636c761 | 2398 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_ADD); |
7395c052 NZ |
2399 | } |
2400 | ||
2401 | static void | |
1636c761 | 2402 | ofctl_add_groups(struct ovs_cmdl_context *ctx) |
7395c052 | 2403 | { |
1636c761 | 2404 | ofctl_group_mod_file(ctx->argc, ctx->argv, OFPGC11_ADD); |
7395c052 NZ |
2405 | } |
2406 | ||
2407 | static void | |
1636c761 | 2408 | ofctl_mod_group(struct ovs_cmdl_context *ctx) |
7395c052 | 2409 | { |
1636c761 | 2410 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_MODIFY); |
7395c052 NZ |
2411 | } |
2412 | ||
2413 | static void | |
1636c761 | 2414 | ofctl_del_groups(struct ovs_cmdl_context *ctx) |
7395c052 | 2415 | { |
1636c761 | 2416 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_DELETE); |
7395c052 NZ |
2417 | } |
2418 | ||
bdbb8426 | 2419 | static void |
1636c761 | 2420 | ofctl_insert_bucket(struct ovs_cmdl_context *ctx) |
bdbb8426 | 2421 | { |
1636c761 | 2422 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_INSERT_BUCKET); |
bdbb8426 SH |
2423 | } |
2424 | ||
2425 | static void | |
1636c761 | 2426 | ofctl_remove_bucket(struct ovs_cmdl_context *ctx) |
bdbb8426 | 2427 | { |
1636c761 | 2428 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_REMOVE_BUCKET); |
bdbb8426 SH |
2429 | } |
2430 | ||
7395c052 | 2431 | static void |
1636c761 | 2432 | ofctl_dump_group_stats(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2433 | { |
2434 | enum ofputil_protocol usable_protocols; | |
2435 | struct ofputil_group_mod gm; | |
2436 | struct ofpbuf *request; | |
2437 | struct vconn *vconn; | |
2438 | uint32_t group_id; | |
2439 | char *error; | |
2440 | ||
2441 | memset(&gm, 0, sizeof gm); | |
2442 | ||
2443 | error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE, | |
1636c761 | 2444 | ctx->argc > 2 ? ctx->argv[2] : "", |
7395c052 NZ |
2445 | &usable_protocols); |
2446 | if (error) { | |
2447 | ovs_fatal(0, "%s", error); | |
2448 | } | |
2449 | ||
2450 | group_id = gm.group_id; | |
2451 | ||
1636c761 | 2452 | open_vconn(ctx->argv[1], &vconn); |
7395c052 NZ |
2453 | request = ofputil_encode_group_stats_request(vconn_get_version(vconn), |
2454 | group_id); | |
2455 | if (request) { | |
2456 | dump_stats_transaction(vconn, request); | |
2457 | } | |
2458 | ||
2459 | vconn_close(vconn); | |
2460 | } | |
2461 | ||
2462 | static void | |
1636c761 | 2463 | ofctl_dump_group_desc(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2464 | { |
2465 | struct ofpbuf *request; | |
2466 | struct vconn *vconn; | |
19187a71 | 2467 | uint32_t group_id; |
7395c052 | 2468 | |
1636c761 | 2469 | open_vconn(ctx->argv[1], &vconn); |
7395c052 | 2470 | |
1636c761 | 2471 | if (ctx->argc < 3 || !ofputil_group_from_string(ctx->argv[2], &group_id)) { |
30ef36c6 | 2472 | group_id = OFPG_ALL; |
19187a71 BP |
2473 | } |
2474 | ||
2475 | request = ofputil_encode_group_desc_request(vconn_get_version(vconn), | |
2476 | group_id); | |
7395c052 NZ |
2477 | if (request) { |
2478 | dump_stats_transaction(vconn, request); | |
2479 | } | |
2480 | ||
2481 | vconn_close(vconn); | |
2482 | } | |
2483 | ||
2484 | static void | |
1636c761 | 2485 | ofctl_dump_group_features(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2486 | { |
2487 | struct ofpbuf *request; | |
2488 | struct vconn *vconn; | |
2489 | ||
1636c761 | 2490 | open_vconn(ctx->argv[1], &vconn); |
7395c052 NZ |
2491 | request = ofputil_encode_group_features_request(vconn_get_version(vconn)); |
2492 | if (request) { | |
2493 | dump_stats_transaction(vconn, request); | |
2494 | } | |
2495 | ||
2496 | vconn_close(vconn); | |
2497 | } | |
2498 | ||
6159c531 | 2499 | static void |
4e548ad9 | 2500 | ofctl_tlv_mod(struct ovs_cmdl_context *ctx, uint16_t command) |
6159c531 JG |
2501 | { |
2502 | enum ofputil_protocol usable_protocols; | |
2503 | enum ofputil_protocol protocol; | |
4e548ad9 | 2504 | struct ofputil_tlv_table_mod ttm; |
6159c531 JG |
2505 | char *error; |
2506 | enum ofp_version version; | |
2507 | struct ofpbuf *request; | |
2508 | struct vconn *vconn; | |
2509 | ||
4e548ad9 | 2510 | error = parse_ofp_tlv_table_mod_str(&ttm, command, ctx->argc > 2 ? |
6159c531 JG |
2511 | ctx->argv[2] : "", |
2512 | &usable_protocols); | |
2513 | if (error) { | |
2514 | ovs_fatal(0, "%s", error); | |
2515 | } | |
2516 | ||
2517 | protocol = open_vconn_for_flow_mod(ctx->argv[1], &vconn, usable_protocols); | |
2518 | version = ofputil_protocol_to_ofp_version(protocol); | |
2519 | ||
4e548ad9 | 2520 | request = ofputil_encode_tlv_table_mod(version, &ttm); |
6159c531 JG |
2521 | if (request) { |
2522 | transact_noreply(vconn, request); | |
2523 | } | |
2524 | ||
2525 | vconn_close(vconn); | |
4e548ad9 | 2526 | ofputil_uninit_tlv_table(&ttm.mappings); |
6159c531 JG |
2527 | } |
2528 | ||
2529 | static void | |
4e548ad9 | 2530 | ofctl_add_tlv_map(struct ovs_cmdl_context *ctx) |
6159c531 | 2531 | { |
4e548ad9 | 2532 | ofctl_tlv_mod(ctx, NXTTMC_ADD); |
6159c531 JG |
2533 | } |
2534 | ||
2535 | static void | |
4e548ad9 | 2536 | ofctl_del_tlv_map(struct ovs_cmdl_context *ctx) |
6159c531 | 2537 | { |
4e548ad9 | 2538 | ofctl_tlv_mod(ctx, ctx->argc > 2 ? NXTTMC_DELETE : NXTTMC_CLEAR); |
6159c531 JG |
2539 | } |
2540 | ||
2541 | static void | |
4e548ad9 | 2542 | ofctl_dump_tlv_map(struct ovs_cmdl_context *ctx) |
6159c531 | 2543 | { |
4e548ad9 | 2544 | dump_trivial_transaction(ctx->argv[1], OFPRAW_NXT_TLV_TABLE_REQUEST); |
6159c531 JG |
2545 | } |
2546 | ||
09246b99 | 2547 | static void |
1636c761 | 2548 | ofctl_help(struct ovs_cmdl_context *ctx OVS_UNUSED) |
09246b99 BP |
2549 | { |
2550 | usage(); | |
2551 | } | |
451de37e AW |
2552 | |
2553 | static void | |
1636c761 | 2554 | ofctl_list_commands(struct ovs_cmdl_context *ctx OVS_UNUSED) |
451de37e | 2555 | { |
5f383751 | 2556 | ovs_cmdl_print_commands(get_all_commands()); |
451de37e | 2557 | } |
09246b99 | 2558 | \f |
0199c526 BP |
2559 | /* replace-flows and diff-flows commands. */ |
2560 | ||
00da1ac5 JR |
2561 | struct flow_tables { |
2562 | struct classifier tables[OFPTT_MAX + 1]; | |
2563 | }; | |
2564 | ||
2565 | #define FOR_EACH_TABLE(CLS, TABLES) \ | |
2566 | for ((CLS) = (TABLES)->tables; \ | |
2567 | (CLS) < &(TABLES)->tables[ARRAY_SIZE((TABLES)->tables)]; \ | |
2568 | (CLS)++) | |
2569 | ||
2570 | static void | |
2571 | flow_tables_init(struct flow_tables *tables) | |
2572 | { | |
2573 | struct classifier *cls; | |
2574 | ||
2575 | FOR_EACH_TABLE (cls, tables) { | |
2576 | classifier_init(cls, NULL); | |
2577 | } | |
2578 | } | |
2579 | ||
2580 | static void | |
2581 | flow_tables_defer(struct flow_tables *tables) | |
2582 | { | |
2583 | struct classifier *cls; | |
2584 | ||
2585 | FOR_EACH_TABLE (cls, tables) { | |
2586 | classifier_defer(cls); | |
2587 | } | |
2588 | } | |
2589 | ||
2590 | static void | |
2591 | flow_tables_publish(struct flow_tables *tables) | |
2592 | { | |
2593 | struct classifier *cls; | |
2594 | ||
2595 | FOR_EACH_TABLE (cls, tables) { | |
2596 | classifier_publish(cls); | |
2597 | } | |
2598 | } | |
2599 | ||
0199c526 BP |
2600 | /* A flow table entry, possibly with two different versions. */ |
2601 | struct fte { | |
2602 | struct cls_rule rule; /* Within a "struct classifier". */ | |
2603 | struct fte_version *versions[2]; | |
2604 | }; | |
2605 | ||
2606 | /* One version of a Flow Table Entry. */ | |
2607 | struct fte_version { | |
2608 | ovs_be64 cookie; | |
2609 | uint16_t idle_timeout; | |
2610 | uint16_t hard_timeout; | |
ca26eb44 | 2611 | uint16_t importance; |
0199c526 | 2612 | uint16_t flags; |
f25d0cf3 BP |
2613 | struct ofpact *ofpacts; |
2614 | size_t ofpacts_len; | |
00da1ac5 | 2615 | uint8_t table_id; |
0199c526 BP |
2616 | }; |
2617 | ||
2618 | /* Frees 'version' and the data that it owns. */ | |
2619 | static void | |
2620 | fte_version_free(struct fte_version *version) | |
2621 | { | |
2622 | if (version) { | |
dc723c44 | 2623 | free(CONST_CAST(struct ofpact *, version->ofpacts)); |
0199c526 BP |
2624 | free(version); |
2625 | } | |
2626 | } | |
2627 | ||
2628 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
2629 | * | |
2630 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
2631 | * an OpenFlow switch. We have to assume that they are the same. */ | |
2632 | static bool | |
2633 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
2634 | { | |
2635 | return (a->cookie == b->cookie | |
2636 | && a->idle_timeout == b->idle_timeout | |
2637 | && a->hard_timeout == b->hard_timeout | |
ca26eb44 | 2638 | && a->importance == b->importance |
00da1ac5 | 2639 | && a->table_id == b->table_id |
f25d0cf3 BP |
2640 | && ofpacts_equal(a->ofpacts, a->ofpacts_len, |
2641 | b->ofpacts, b->ofpacts_len)); | |
0199c526 BP |
2642 | } |
2643 | ||
98f7f427 BP |
2644 | /* Clears 's', then if 's' has a version 'index', formats 'fte' and version |
2645 | * 'index' into 's', followed by a new-line. */ | |
0199c526 | 2646 | static void |
98f7f427 | 2647 | fte_version_format(const struct fte *fte, int index, struct ds *s) |
0199c526 | 2648 | { |
98f7f427 | 2649 | const struct fte_version *version = fte->versions[index]; |
0199c526 | 2650 | |
98f7f427 BP |
2651 | ds_clear(s); |
2652 | if (!version) { | |
2653 | return; | |
2654 | } | |
2655 | ||
00da1ac5 JR |
2656 | if (version->table_id) { |
2657 | ds_put_format(s, "table=%"PRIu8" ", version->table_id); | |
2658 | } | |
98f7f427 | 2659 | cls_rule_format(&fte->rule, s); |
0199c526 | 2660 | if (version->cookie != htonll(0)) { |
98f7f427 | 2661 | ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie)); |
0199c526 BP |
2662 | } |
2663 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2664 | ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout); |
0199c526 BP |
2665 | } |
2666 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2667 | ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout); |
0199c526 | 2668 | } |
ca26eb44 RB |
2669 | if (version->importance != 0) { |
2670 | ds_put_format(s, " importance=%"PRIu16, version->importance); | |
2671 | } | |
0199c526 | 2672 | |
455ecd77 | 2673 | ds_put_cstr(s, " actions="); |
98f7f427 BP |
2674 | ofpacts_format(version->ofpacts, version->ofpacts_len, s); |
2675 | ||
2676 | ds_put_char(s, '\n'); | |
0199c526 BP |
2677 | } |
2678 | ||
2679 | static struct fte * | |
2680 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
2681 | { | |
2682 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
2683 | } | |
2684 | ||
2685 | /* Frees 'fte' and its versions. */ | |
2686 | static void | |
2687 | fte_free(struct fte *fte) | |
2688 | { | |
2689 | if (fte) { | |
2690 | fte_version_free(fte->versions[0]); | |
2691 | fte_version_free(fte->versions[1]); | |
48d28ac1 | 2692 | cls_rule_destroy(&fte->rule); |
0199c526 BP |
2693 | free(fte); |
2694 | } | |
2695 | } | |
2696 | ||
00da1ac5 | 2697 | /* Frees all of the FTEs within 'tables'. */ |
0199c526 | 2698 | static void |
00da1ac5 | 2699 | fte_free_all(struct flow_tables *tables) |
0199c526 | 2700 | { |
00da1ac5 JR |
2701 | struct classifier *cls; |
2702 | ||
2703 | FOR_EACH_TABLE (cls, tables) { | |
2704 | struct fte *fte; | |
0199c526 | 2705 | |
00da1ac5 JR |
2706 | classifier_defer(cls); |
2707 | CLS_FOR_EACH (fte, rule, cls) { | |
2708 | classifier_remove(cls, &fte->rule); | |
2709 | ovsrcu_postpone(fte_free, fte); | |
2710 | } | |
2711 | classifier_destroy(cls); | |
0199c526 BP |
2712 | } |
2713 | } | |
2714 | ||
00da1ac5 | 2715 | /* Searches 'tables' for an FTE matching 'rule', inserting a new one if |
0199c526 BP |
2716 | * necessary. Sets 'version' as the version of that rule with the given |
2717 | * 'index', replacing any existing version, if any. | |
2718 | * | |
2719 | * Takes ownership of 'version'. */ | |
2720 | static void | |
00da1ac5 | 2721 | fte_insert(struct flow_tables *tables, const struct match *match, |
eb391b76 | 2722 | int priority, struct fte_version *version, int index) |
0199c526 | 2723 | { |
00da1ac5 | 2724 | struct classifier *cls = &tables->tables[version->table_id]; |
0199c526 BP |
2725 | struct fte *old, *fte; |
2726 | ||
2727 | fte = xzalloc(sizeof *fte); | |
bd53aa17 | 2728 | cls_rule_init(&fte->rule, match, priority); |
0199c526 BP |
2729 | fte->versions[index] = version; |
2730 | ||
bd53aa17 JR |
2731 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule, |
2732 | CLS_MIN_VERSION, NULL, 0)); | |
0199c526 | 2733 | if (old) { |
0199c526 | 2734 | fte->versions[!index] = old->versions[!index]; |
de4ad4a2 JR |
2735 | old->versions[!index] = NULL; |
2736 | ||
2737 | ovsrcu_postpone(fte_free, old); | |
0199c526 BP |
2738 | } |
2739 | } | |
2740 | ||
00da1ac5 JR |
2741 | /* Reads the flows in 'filename' as flow table entries in 'tables' for the |
2742 | * version with the specified 'index'. Returns the flow formats able to | |
2743 | * represent the flows that were read. */ | |
27527aa0 | 2744 | static enum ofputil_protocol |
00da1ac5 JR |
2745 | read_flows_from_file(const char *filename, struct flow_tables *tables, |
2746 | int index) | |
0199c526 | 2747 | { |
27527aa0 | 2748 | enum ofputil_protocol usable_protocols; |
bdda5aca | 2749 | int line_number; |
0199c526 BP |
2750 | struct ds s; |
2751 | FILE *file; | |
2752 | ||
2753 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
2754 | if (file == NULL) { | |
2755 | ovs_fatal(errno, "%s: open", filename); | |
2756 | } | |
2757 | ||
2758 | ds_init(&s); | |
27527aa0 | 2759 | usable_protocols = OFPUTIL_P_ANY; |
bdda5aca | 2760 | line_number = 0; |
00da1ac5 | 2761 | flow_tables_defer(tables); |
bdda5aca | 2762 | while (!ds_get_preprocessed_line(&s, file, &line_number)) { |
0199c526 | 2763 | struct fte_version *version; |
a9a2da38 | 2764 | struct ofputil_flow_mod fm; |
bdda5aca | 2765 | char *error; |
db0b6c29 | 2766 | enum ofputil_protocol usable; |
0199c526 | 2767 | |
ba2fe8e9 | 2768 | error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable); |
bdda5aca BP |
2769 | if (error) { |
2770 | ovs_fatal(0, "%s:%d: %s", filename, line_number, error); | |
2771 | } | |
db0b6c29 | 2772 | usable_protocols &= usable; |
0199c526 BP |
2773 | |
2774 | version = xmalloc(sizeof *version); | |
623e1caf | 2775 | version->cookie = fm.new_cookie; |
0199c526 BP |
2776 | version->idle_timeout = fm.idle_timeout; |
2777 | version->hard_timeout = fm.hard_timeout; | |
ca26eb44 | 2778 | version->importance = fm.importance; |
0fb88c18 BP |
2779 | version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM |
2780 | | OFPUTIL_FF_EMERG); | |
f25d0cf3 BP |
2781 | version->ofpacts = fm.ofpacts; |
2782 | version->ofpacts_len = fm.ofpacts_len; | |
00da1ac5 | 2783 | version->table_id = fm.table_id != OFPTT_ALL ? fm.table_id : 0; |
0199c526 | 2784 | |
00da1ac5 | 2785 | fte_insert(tables, &fm.match, fm.priority, version, index); |
0199c526 | 2786 | } |
00da1ac5 | 2787 | flow_tables_publish(tables); |
0199c526 BP |
2788 | ds_destroy(&s); |
2789 | ||
2790 | if (file != stdin) { | |
2791 | fclose(file); | |
2792 | } | |
2793 | ||
27527aa0 | 2794 | return usable_protocols; |
0199c526 BP |
2795 | } |
2796 | ||
4ce9c315 BP |
2797 | static bool |
2798 | recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid, | |
2799 | struct ofpbuf **replyp, | |
2800 | struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts) | |
2801 | { | |
2802 | struct ofpbuf *reply = *replyp; | |
2803 | ||
2804 | for (;;) { | |
4ce9c315 | 2805 | int retval; |
35805806 | 2806 | bool more; |
4ce9c315 BP |
2807 | |
2808 | /* Get a flow stats reply message, if we don't already have one. */ | |
2809 | if (!reply) { | |
982697a4 BP |
2810 | enum ofptype type; |
2811 | enum ofperr error; | |
4ce9c315 BP |
2812 | |
2813 | do { | |
2814 | run(vconn_recv_block(vconn, &reply), | |
2815 | "OpenFlow packet receive failed"); | |
6fd6ed71 | 2816 | } while (((struct ofp_header *) reply->data)->xid != send_xid); |
4ce9c315 | 2817 | |
6fd6ed71 | 2818 | error = ofptype_decode(&type, reply->data); |
982697a4 | 2819 | if (error || type != OFPTYPE_FLOW_STATS_REPLY) { |
4ce9c315 | 2820 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 2821 | ofp_to_string(reply->data, reply->size, |
4ce9c315 BP |
2822 | verbosity + 1)); |
2823 | } | |
2824 | } | |
2825 | ||
2826 | /* Pull an individual flow stats reply out of the message. */ | |
2827 | retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts); | |
2828 | switch (retval) { | |
2829 | case 0: | |
2830 | *replyp = reply; | |
2831 | return true; | |
2832 | ||
2833 | case EOF: | |
6fd6ed71 | 2834 | more = ofpmp_more(reply->header); |
4ce9c315 | 2835 | ofpbuf_delete(reply); |
296ed880 | 2836 | reply = NULL; |
35805806 | 2837 | if (!more) { |
4ce9c315 BP |
2838 | *replyp = NULL; |
2839 | return false; | |
2840 | } | |
2841 | break; | |
2842 | ||
2843 | default: | |
2844 | ovs_fatal(0, "parse error in reply (%s)", | |
2845 | ofperr_to_string(retval)); | |
2846 | } | |
2847 | } | |
2848 | } | |
2849 | ||
0199c526 | 2850 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow |
00da1ac5 | 2851 | * format 'protocol', and adds them as flow table entries in 'tables' for the |
0199c526 BP |
2852 | * version with the specified 'index'. */ |
2853 | static void | |
27527aa0 BP |
2854 | read_flows_from_switch(struct vconn *vconn, |
2855 | enum ofputil_protocol protocol, | |
00da1ac5 | 2856 | struct flow_tables *tables, int index) |
0199c526 | 2857 | { |
81d1ea94 | 2858 | struct ofputil_flow_stats_request fsr; |
4ce9c315 | 2859 | struct ofputil_flow_stats fs; |
0199c526 | 2860 | struct ofpbuf *request; |
4ce9c315 BP |
2861 | struct ofpbuf ofpacts; |
2862 | struct ofpbuf *reply; | |
0199c526 | 2863 | ovs_be32 send_xid; |
0199c526 BP |
2864 | |
2865 | fsr.aggregate = false; | |
81a76618 | 2866 | match_init_catchall(&fsr.match); |
7f05e7ab | 2867 | fsr.out_port = OFPP_ANY; |
4b69263d | 2868 | fsr.out_group = OFPG_ANY; |
0199c526 | 2869 | fsr.table_id = 0xff; |
ecc798ab | 2870 | fsr.cookie = fsr.cookie_mask = htonll(0); |
27527aa0 | 2871 | request = ofputil_encode_flow_stats_request(&fsr, protocol); |
6fd6ed71 | 2872 | send_xid = ((struct ofp_header *) request->data)->xid; |
0199c526 BP |
2873 | send_openflow_buffer(vconn, request); |
2874 | ||
4ce9c315 BP |
2875 | reply = NULL; |
2876 | ofpbuf_init(&ofpacts, 0); | |
00da1ac5 | 2877 | flow_tables_defer(tables); |
4ce9c315 BP |
2878 | while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) { |
2879 | struct fte_version *version; | |
0199c526 | 2880 | |
4ce9c315 BP |
2881 | version = xmalloc(sizeof *version); |
2882 | version->cookie = fs.cookie; | |
2883 | version->idle_timeout = fs.idle_timeout; | |
2884 | version->hard_timeout = fs.hard_timeout; | |
ca26eb44 | 2885 | version->importance = fs.importance; |
4ce9c315 BP |
2886 | version->flags = 0; |
2887 | version->ofpacts_len = fs.ofpacts_len; | |
2888 | version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len); | |
00da1ac5 | 2889 | version->table_id = fs.table_id; |
4ce9c315 | 2890 | |
00da1ac5 | 2891 | fte_insert(tables, &fs.match, fs.priority, version, index); |
0199c526 | 2892 | } |
00da1ac5 | 2893 | flow_tables_publish(tables); |
4ce9c315 | 2894 | ofpbuf_uninit(&ofpacts); |
0199c526 BP |
2895 | } |
2896 | ||
2897 | static void | |
2898 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
ca6ba700 | 2899 | enum ofputil_protocol protocol, struct ovs_list *packets) |
0199c526 BP |
2900 | { |
2901 | const struct fte_version *version = fte->versions[index]; | |
a9a2da38 | 2902 | struct ofputil_flow_mod fm; |
0199c526 BP |
2903 | struct ofpbuf *ofm; |
2904 | ||
5cb7a798 | 2905 | minimatch_expand(&fte->rule.match, &fm.match); |
81a76618 | 2906 | fm.priority = fte->rule.priority; |
623e1caf JP |
2907 | fm.cookie = htonll(0); |
2908 | fm.cookie_mask = htonll(0); | |
2909 | fm.new_cookie = version->cookie; | |
23342857 | 2910 | fm.modify_cookie = true; |
00da1ac5 | 2911 | fm.table_id = version->table_id; |
0199c526 BP |
2912 | fm.command = command; |
2913 | fm.idle_timeout = version->idle_timeout; | |
2914 | fm.hard_timeout = version->hard_timeout; | |
ca26eb44 | 2915 | fm.importance = version->importance; |
0199c526 | 2916 | fm.buffer_id = UINT32_MAX; |
7f05e7ab | 2917 | fm.out_port = OFPP_ANY; |
4b69263d | 2918 | fm.out_group = OFPG_ANY; |
0199c526 BP |
2919 | fm.flags = version->flags; |
2920 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || | |
2921 | command == OFPFC_MODIFY_STRICT) { | |
f25d0cf3 BP |
2922 | fm.ofpacts = version->ofpacts; |
2923 | fm.ofpacts_len = version->ofpacts_len; | |
0199c526 | 2924 | } else { |
f25d0cf3 BP |
2925 | fm.ofpacts = NULL; |
2926 | fm.ofpacts_len = 0; | |
0199c526 | 2927 | } |
cc40d06b | 2928 | fm.delete_reason = OFPRR_DELETE; |
0199c526 | 2929 | |
27527aa0 | 2930 | ofm = ofputil_encode_flow_mod(&fm, protocol); |
0199c526 BP |
2931 | list_push_back(packets, &ofm->list_node); |
2932 | } | |
2933 | ||
2934 | static void | |
1636c761 | 2935 | ofctl_replace_flows(struct ovs_cmdl_context *ctx) |
0199c526 BP |
2936 | { |
2937 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
27527aa0 | 2938 | enum ofputil_protocol usable_protocols, protocol; |
00da1ac5 JR |
2939 | struct flow_tables tables; |
2940 | struct classifier *cls; | |
ca6ba700 | 2941 | struct ovs_list requests; |
0199c526 BP |
2942 | struct vconn *vconn; |
2943 | struct fte *fte; | |
2944 | ||
00da1ac5 JR |
2945 | flow_tables_init(&tables); |
2946 | usable_protocols = read_flows_from_file(ctx->argv[2], &tables, FILE_IDX); | |
0199c526 | 2947 | |
1636c761 | 2948 | protocol = open_vconn(ctx->argv[1], &vconn); |
27527aa0 BP |
2949 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); |
2950 | ||
00da1ac5 | 2951 | read_flows_from_switch(vconn, protocol, &tables, SWITCH_IDX); |
0199c526 BP |
2952 | |
2953 | list_init(&requests); | |
2954 | ||
00da1ac5 JR |
2955 | FOR_EACH_TABLE (cls, &tables) { |
2956 | /* Delete flows that exist on the switch but not in the file. */ | |
2957 | CLS_FOR_EACH (fte, rule, cls) { | |
2958 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
2959 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
0199c526 | 2960 | |
00da1ac5 JR |
2961 | if (sw_ver && !file_ver) { |
2962 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
2963 | protocol, &requests); | |
2964 | } | |
0199c526 | 2965 | } |
0199c526 | 2966 | |
00da1ac5 JR |
2967 | /* Add flows that exist in the file but not on the switch. |
2968 | * Update flows that exist in both places but differ. */ | |
2969 | CLS_FOR_EACH (fte, rule, cls) { | |
2970 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
2971 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
0199c526 | 2972 | |
00da1ac5 JR |
2973 | if (file_ver && |
2974 | (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
2975 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, | |
2976 | &requests); | |
2977 | } | |
0199c526 BP |
2978 | } |
2979 | } | |
db5076ee | 2980 | if (bundle) { |
39c94593 | 2981 | bundle_transact(vconn, &requests, OFPBF_ORDERED | OFPBF_ATOMIC); |
db5076ee JR |
2982 | } else { |
2983 | transact_multiple_noreply(vconn, &requests); | |
2984 | } | |
0199c526 BP |
2985 | vconn_close(vconn); |
2986 | ||
00da1ac5 | 2987 | fte_free_all(&tables); |
0199c526 BP |
2988 | } |
2989 | ||
2990 | static void | |
00da1ac5 JR |
2991 | read_flows_from_source(const char *source, struct flow_tables *tables, |
2992 | int index) | |
0199c526 BP |
2993 | { |
2994 | struct stat s; | |
2995 | ||
2996 | if (source[0] == '/' || source[0] == '.' | |
2997 | || (!strchr(source, ':') && !stat(source, &s))) { | |
00da1ac5 | 2998 | read_flows_from_file(source, tables, index); |
0199c526 | 2999 | } else { |
27527aa0 | 3000 | enum ofputil_protocol protocol; |
0199c526 BP |
3001 | struct vconn *vconn; |
3002 | ||
27527aa0 BP |
3003 | protocol = open_vconn(source, &vconn); |
3004 | protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY); | |
00da1ac5 | 3005 | read_flows_from_switch(vconn, protocol, tables, index); |
0199c526 BP |
3006 | vconn_close(vconn); |
3007 | } | |
3008 | } | |
3009 | ||
3010 | static void | |
1636c761 | 3011 | ofctl_diff_flows(struct ovs_cmdl_context *ctx) |
0199c526 BP |
3012 | { |
3013 | bool differences = false; | |
00da1ac5 JR |
3014 | struct flow_tables tables; |
3015 | struct classifier *cls; | |
98f7f427 | 3016 | struct ds a_s, b_s; |
0199c526 BP |
3017 | struct fte *fte; |
3018 | ||
00da1ac5 JR |
3019 | flow_tables_init(&tables); |
3020 | read_flows_from_source(ctx->argv[1], &tables, 0); | |
3021 | read_flows_from_source(ctx->argv[2], &tables, 1); | |
0199c526 | 3022 | |
98f7f427 BP |
3023 | ds_init(&a_s); |
3024 | ds_init(&b_s); | |
3025 | ||
00da1ac5 JR |
3026 | FOR_EACH_TABLE (cls, &tables) { |
3027 | CLS_FOR_EACH (fte, rule, cls) { | |
3028 | struct fte_version *a = fte->versions[0]; | |
3029 | struct fte_version *b = fte->versions[1]; | |
3030 | ||
3031 | if (!a || !b || !fte_version_equals(a, b)) { | |
3032 | fte_version_format(fte, 0, &a_s); | |
3033 | fte_version_format(fte, 1, &b_s); | |
3034 | if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) { | |
3035 | if (a_s.length) { | |
3036 | printf("-%s", ds_cstr(&a_s)); | |
3037 | } | |
3038 | if (b_s.length) { | |
3039 | printf("+%s", ds_cstr(&b_s)); | |
3040 | } | |
3041 | differences = true; | |
98f7f427 | 3042 | } |
0199c526 | 3043 | } |
0199c526 BP |
3044 | } |
3045 | } | |
3046 | ||
98f7f427 BP |
3047 | ds_destroy(&a_s); |
3048 | ds_destroy(&b_s); | |
3049 | ||
00da1ac5 | 3050 | fte_free_all(&tables); |
0199c526 BP |
3051 | |
3052 | if (differences) { | |
3053 | exit(2); | |
3054 | } | |
3055 | } | |
3200ed58 JR |
3056 | |
3057 | static void | |
3058 | ofctl_meter_mod__(const char *bridge, const char *str, int command) | |
3059 | { | |
3060 | struct ofputil_meter_mod mm; | |
3061 | struct vconn *vconn; | |
3062 | enum ofputil_protocol protocol; | |
3063 | enum ofputil_protocol usable_protocols; | |
3064 | enum ofp_version version; | |
3065 | ||
3066 | if (str) { | |
3067 | char *error; | |
3068 | error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols); | |
3069 | if (error) { | |
3070 | ovs_fatal(0, "%s", error); | |
3071 | } | |
3072 | } else { | |
3073 | usable_protocols = OFPUTIL_P_OF13_UP; | |
3074 | mm.command = command; | |
3075 | mm.meter.meter_id = OFPM13_ALL; | |
3076 | } | |
3077 | ||
3078 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
3079 | version = ofputil_protocol_to_ofp_version(protocol); | |
3080 | transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm)); | |
3081 | vconn_close(vconn); | |
3082 | } | |
3083 | ||
3084 | static void | |
3085 | ofctl_meter_request__(const char *bridge, const char *str, | |
3086 | enum ofputil_meter_request_type type) | |
3087 | { | |
3088 | struct ofputil_meter_mod mm; | |
3089 | struct vconn *vconn; | |
3090 | enum ofputil_protocol usable_protocols; | |
3091 | enum ofputil_protocol protocol; | |
3092 | enum ofp_version version; | |
3093 | ||
3094 | if (str) { | |
3095 | char *error; | |
3096 | error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols); | |
3097 | if (error) { | |
3098 | ovs_fatal(0, "%s", error); | |
3099 | } | |
3100 | } else { | |
3101 | usable_protocols = OFPUTIL_P_OF13_UP; | |
3102 | mm.meter.meter_id = OFPM13_ALL; | |
3103 | } | |
3104 | ||
3105 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
3106 | version = ofputil_protocol_to_ofp_version(protocol); | |
0a939c1f JR |
3107 | dump_stats_transaction(vconn, |
3108 | ofputil_encode_meter_request(version, type, | |
3109 | mm.meter.meter_id)); | |
3200ed58 JR |
3110 | vconn_close(vconn); |
3111 | } | |
3112 | ||
3113 | ||
3114 | static void | |
1636c761 | 3115 | ofctl_add_meter(struct ovs_cmdl_context *ctx) |
3200ed58 | 3116 | { |
1636c761 | 3117 | ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_ADD); |
3200ed58 JR |
3118 | } |
3119 | ||
3120 | static void | |
1636c761 | 3121 | ofctl_mod_meter(struct ovs_cmdl_context *ctx) |
3200ed58 | 3122 | { |
1636c761 | 3123 | ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_MODIFY); |
3200ed58 JR |
3124 | } |
3125 | ||
3126 | static void | |
1636c761 | 3127 | ofctl_del_meters(struct ovs_cmdl_context *ctx) |
3200ed58 | 3128 | { |
1636c761 | 3129 | ofctl_meter_mod__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, OFPMC13_DELETE); |
3200ed58 JR |
3130 | } |
3131 | ||
3132 | static void | |
1636c761 | 3133 | ofctl_dump_meters(struct ovs_cmdl_context *ctx) |
3200ed58 | 3134 | { |
1636c761 | 3135 | ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, |
3200ed58 JR |
3136 | OFPUTIL_METER_CONFIG); |
3137 | } | |
3138 | ||
3139 | static void | |
1636c761 | 3140 | ofctl_meter_stats(struct ovs_cmdl_context *ctx) |
3200ed58 | 3141 | { |
1636c761 | 3142 | ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, |
3200ed58 JR |
3143 | OFPUTIL_METER_STATS); |
3144 | } | |
3145 | ||
3146 | static void | |
1636c761 | 3147 | ofctl_meter_features(struct ovs_cmdl_context *ctx) |
3200ed58 | 3148 | { |
1636c761 | 3149 | ofctl_meter_request__(ctx->argv[1], NULL, OFPUTIL_METER_FEATURES); |
3200ed58 JR |
3150 | } |
3151 | ||
0199c526 | 3152 | \f |
09246b99 BP |
3153 | /* Undocumented commands for unit testing. */ |
3154 | ||
770f1f66 | 3155 | static void |
db0b6c29 JR |
3156 | ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms, |
3157 | enum ofputil_protocol usable_protocols) | |
770f1f66 | 3158 | { |
27527aa0 BP |
3159 | enum ofputil_protocol protocol = 0; |
3160 | char *usable_s; | |
3161 | size_t i; | |
770f1f66 | 3162 | |
27527aa0 BP |
3163 | usable_s = ofputil_protocols_to_string(usable_protocols); |
3164 | printf("usable protocols: %s\n", usable_s); | |
3165 | free(usable_s); | |
3166 | ||
3167 | if (!(usable_protocols & allowed_protocols)) { | |
3168 | ovs_fatal(0, "no usable protocol"); | |
3169 | } | |
3170 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
3171 | protocol = 1 << i; | |
3172 | if (protocol & usable_protocols & allowed_protocols) { | |
3173 | break; | |
3174 | } | |
3175 | } | |
cc2862a9 | 3176 | ovs_assert(is_pow2(protocol)); |
27527aa0 BP |
3177 | |
3178 | printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol)); | |
3179 | ||
3180 | for (i = 0; i < n_fms; i++) { | |
3181 | struct ofputil_flow_mod *fm = &fms[i]; | |
3182 | struct ofpbuf *msg; | |
3183 | ||
3184 | msg = ofputil_encode_flow_mod(fm, protocol); | |
6fd6ed71 | 3185 | ofp_print(stdout, msg->data, msg->size, verbosity); |
27527aa0 BP |
3186 | ofpbuf_delete(msg); |
3187 | ||
dc723c44 | 3188 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
770f1f66 BP |
3189 | } |
3190 | } | |
3191 | ||
3192 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
3193 | * it back to stdout. */ | |
3194 | static void | |
1636c761 | 3195 | ofctl_parse_flow(struct ovs_cmdl_context *ctx) |
770f1f66 | 3196 | { |
db0b6c29 | 3197 | enum ofputil_protocol usable_protocols; |
27527aa0 | 3198 | struct ofputil_flow_mod fm; |
bdda5aca | 3199 | char *error; |
770f1f66 | 3200 | |
1636c761 | 3201 | error = parse_ofp_flow_mod_str(&fm, ctx->argv[1], OFPFC_ADD, &usable_protocols); |
bdda5aca BP |
3202 | if (error) { |
3203 | ovs_fatal(0, "%s", error); | |
3204 | } | |
db0b6c29 | 3205 | ofctl_parse_flows__(&fm, 1, usable_protocols); |
770f1f66 BP |
3206 | } |
3207 | ||
fec00620 BP |
3208 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
3209 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 | 3210 | static void |
1636c761 | 3211 | ofctl_parse_flows(struct ovs_cmdl_context *ctx) |
0e581146 | 3212 | { |
db0b6c29 | 3213 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
3214 | struct ofputil_flow_mod *fms = NULL; |
3215 | size_t n_fms = 0; | |
bdda5aca | 3216 | char *error; |
0e581146 | 3217 | |
1636c761 | 3218 | error = parse_ofp_flow_mod_file(ctx->argv[1], OFPFC_ADD, &fms, &n_fms, |
ba2fe8e9 | 3219 | &usable_protocols); |
bdda5aca BP |
3220 | if (error) { |
3221 | ovs_fatal(0, "%s", error); | |
3222 | } | |
db0b6c29 | 3223 | ofctl_parse_flows__(fms, n_fms, usable_protocols); |
27527aa0 | 3224 | free(fms); |
0e581146 BP |
3225 | } |
3226 | ||
064af421 | 3227 | static void |
9d84066c | 3228 | ofctl_parse_nxm__(bool oxm, enum ofp_version version) |
09246b99 BP |
3229 | { |
3230 | struct ds in; | |
3231 | ||
3232 | ds_init(&in); | |
06d7ae7d | 3233 | while (!ds_get_test_line(&in, stdin)) { |
09246b99 | 3234 | struct ofpbuf nx_match; |
81a76618 | 3235 | struct match match; |
e729e793 | 3236 | ovs_be64 cookie, cookie_mask; |
90bf1e07 | 3237 | enum ofperr error; |
09246b99 | 3238 | int match_len; |
09246b99 BP |
3239 | |
3240 | /* Convert string to nx_match. */ | |
3241 | ofpbuf_init(&nx_match, 0); | |
7623f4dd SH |
3242 | if (oxm) { |
3243 | match_len = oxm_match_from_string(ds_cstr(&in), &nx_match); | |
3244 | } else { | |
3245 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
3246 | } | |
09246b99 | 3247 | |
81a76618 | 3248 | /* Convert nx_match to match. */ |
102ce766 | 3249 | if (strict) { |
7623f4dd | 3250 | if (oxm) { |
81a76618 | 3251 | error = oxm_pull_match(&nx_match, &match); |
7623f4dd | 3252 | } else { |
81a76618 | 3253 | error = nx_pull_match(&nx_match, match_len, &match, |
7623f4dd SH |
3254 | &cookie, &cookie_mask); |
3255 | } | |
102ce766 | 3256 | } else { |
7623f4dd | 3257 | if (oxm) { |
81a76618 | 3258 | error = oxm_pull_match_loose(&nx_match, &match); |
7623f4dd | 3259 | } else { |
81a76618 | 3260 | error = nx_pull_match_loose(&nx_match, match_len, &match, |
7623f4dd SH |
3261 | &cookie, &cookie_mask); |
3262 | } | |
102ce766 EJ |
3263 | } |
3264 | ||
7623f4dd | 3265 | |
09246b99 BP |
3266 | if (!error) { |
3267 | char *out; | |
3268 | ||
81a76618 | 3269 | /* Convert match back to nx_match. */ |
09246b99 BP |
3270 | ofpbuf_uninit(&nx_match); |
3271 | ofpbuf_init(&nx_match, 0); | |
7623f4dd | 3272 | if (oxm) { |
9d84066c | 3273 | match_len = oxm_put_match(&nx_match, &match, version); |
db5a1019 | 3274 | out = oxm_match_to_string(&nx_match, match_len); |
7623f4dd | 3275 | } else { |
81a76618 | 3276 | match_len = nx_put_match(&nx_match, &match, |
7623f4dd | 3277 | cookie, cookie_mask); |
6fd6ed71 | 3278 | out = nx_match_to_string(nx_match.data, match_len); |
7623f4dd | 3279 | } |
09246b99 | 3280 | |
09246b99 BP |
3281 | puts(out); |
3282 | free(out); | |
508a9338 BP |
3283 | |
3284 | if (verbosity > 0) { | |
6fd6ed71 | 3285 | ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false); |
508a9338 | 3286 | } |
09246b99 | 3287 | } else { |
90bf1e07 BP |
3288 | printf("nx_pull_match() returned error %s\n", |
3289 | ofperr_get_name(error)); | |
09246b99 BP |
3290 | } |
3291 | ||
3292 | ofpbuf_uninit(&nx_match); | |
3293 | } | |
3294 | ds_destroy(&in); | |
064af421 BP |
3295 | } |
3296 | ||
b5ae8913 SH |
3297 | /* "parse-nxm": reads a series of NXM nx_match specifications as strings from |
3298 | * stdin, does some internal fussing with them, and then prints them back as | |
3299 | * strings on stdout. */ | |
3300 | static void | |
1636c761 | 3301 | ofctl_parse_nxm(struct ovs_cmdl_context *ctx OVS_UNUSED) |
b5ae8913 | 3302 | { |
2f4aba0b | 3303 | ofctl_parse_nxm__(false, 0); |
b5ae8913 SH |
3304 | } |
3305 | ||
9d84066c BP |
3306 | /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as |
3307 | * strings from stdin, does some internal fussing with them, and then prints | |
3308 | * them back as strings on stdout. VERSION must specify an OpenFlow version, | |
3309 | * e.g. "OpenFlow12". */ | |
b5ae8913 | 3310 | static void |
1636c761 | 3311 | ofctl_parse_oxm(struct ovs_cmdl_context *ctx) |
b5ae8913 | 3312 | { |
1636c761 | 3313 | enum ofp_version version = ofputil_version_from_string(ctx->argv[1]); |
9d84066c | 3314 | if (version < OFP12_VERSION) { |
1636c761 | 3315 | ovs_fatal(0, "%s: not a valid version for OXM", ctx->argv[1]); |
9d84066c BP |
3316 | } |
3317 | ||
2f4aba0b | 3318 | ofctl_parse_nxm__(true, version); |
b5ae8913 SH |
3319 | } |
3320 | ||
f25d0cf3 | 3321 | static void |
96628ae8 BP |
3322 | print_differences(const char *prefix, |
3323 | const void *a_, size_t a_len, | |
f25d0cf3 BP |
3324 | const void *b_, size_t b_len) |
3325 | { | |
3326 | const uint8_t *a = a_; | |
3327 | const uint8_t *b = b_; | |
3328 | size_t i; | |
3329 | ||
3330 | for (i = 0; i < MIN(a_len, b_len); i++) { | |
3331 | if (a[i] != b[i]) { | |
34582733 | 3332 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n", |
96628ae8 | 3333 | prefix, i, a[i], b[i]); |
f25d0cf3 BP |
3334 | } |
3335 | } | |
3336 | for (i = a_len; i < b_len; i++) { | |
34582733 | 3337 | printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]); |
f25d0cf3 BP |
3338 | } |
3339 | for (i = b_len; i < a_len; i++) { | |
34582733 | 3340 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]); |
f25d0cf3 BP |
3341 | } |
3342 | } | |
3343 | ||
f25d0cf3 | 3344 | static void |
65a8a59e | 3345 | ofctl_parse_actions__(const char *version_s, bool instructions) |
f25d0cf3 | 3346 | { |
65a8a59e | 3347 | enum ofp_version version; |
f25d0cf3 BP |
3348 | struct ds in; |
3349 | ||
65a8a59e BP |
3350 | version = ofputil_version_from_string(version_s); |
3351 | if (!version) { | |
3352 | ovs_fatal(0, "%s: not a valid OpenFlow version", version_s); | |
3353 | } | |
3354 | ||
f25d0cf3 | 3355 | ds_init(&in); |
bdda5aca | 3356 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
65a8a59e BP |
3357 | struct ofpbuf of_out; |
3358 | struct ofpbuf of_in; | |
f25d0cf3 | 3359 | struct ofpbuf ofpacts; |
65a8a59e BP |
3360 | const char *table_id; |
3361 | char *actions; | |
f25d0cf3 BP |
3362 | enum ofperr error; |
3363 | size_t size; | |
3364 | struct ds s; | |
3365 | ||
65a8a59e BP |
3366 | /* Parse table_id separated with the follow-up actions by ",", if |
3367 | * any. */ | |
3368 | actions = ds_cstr(&in); | |
3369 | table_id = NULL; | |
3370 | if (strstr(actions, ",")) { | |
3371 | table_id = strsep(&actions, ","); | |
3372 | } | |
3373 | ||
f25d0cf3 | 3374 | /* Parse hex bytes. */ |
65a8a59e BP |
3375 | ofpbuf_init(&of_in, 0); |
3376 | if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') { | |
f25d0cf3 BP |
3377 | ovs_fatal(0, "Trailing garbage in hex data"); |
3378 | } | |
3379 | ||
3380 | /* Convert to ofpacts. */ | |
3381 | ofpbuf_init(&ofpacts, 0); | |
6fd6ed71 | 3382 | size = of_in.size; |
8f2cded4 BP |
3383 | error = (instructions |
3384 | ? ofpacts_pull_openflow_instructions | |
3385 | : ofpacts_pull_openflow_actions)( | |
6fd6ed71 | 3386 | &of_in, of_in.size, version, &ofpacts); |
65a8a59e BP |
3387 | if (!error && instructions) { |
3388 | /* Verify actions, enforce consistency. */ | |
3389 | enum ofputil_protocol protocol; | |
3390 | struct flow flow; | |
3391 | ||
3392 | memset(&flow, 0, sizeof flow); | |
3393 | protocol = ofputil_protocols_from_ofp_version(version); | |
6fd6ed71 | 3394 | error = ofpacts_check_consistency(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3395 | &flow, OFPP_MAX, |
3396 | table_id ? atoi(table_id) : 0, | |
00da1ac5 | 3397 | OFPTT_MAX + 1, protocol); |
65a8a59e | 3398 | } |
f25d0cf3 | 3399 | if (error) { |
65a8a59e BP |
3400 | printf("bad %s %s: %s\n\n", |
3401 | version_s, instructions ? "instructions" : "actions", | |
3402 | ofperr_get_name(error)); | |
f25d0cf3 | 3403 | ofpbuf_uninit(&ofpacts); |
65a8a59e | 3404 | ofpbuf_uninit(&of_in); |
f25d0cf3 BP |
3405 | continue; |
3406 | } | |
65a8a59e | 3407 | ofpbuf_push_uninit(&of_in, size); |
f25d0cf3 BP |
3408 | |
3409 | /* Print cls_rule. */ | |
3410 | ds_init(&s); | |
455ecd77 | 3411 | ds_put_cstr(&s, "actions="); |
6fd6ed71 | 3412 | ofpacts_format(ofpacts.data, ofpacts.size, &s); |
f25d0cf3 BP |
3413 | puts(ds_cstr(&s)); |
3414 | ds_destroy(&s); | |
3415 | ||
3416 | /* Convert back to ofp10 actions and print differences from input. */ | |
65a8a59e BP |
3417 | ofpbuf_init(&of_out, 0); |
3418 | if (instructions) { | |
6fd6ed71 PS |
3419 | ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size, |
3420 | &of_out, version); | |
65a8a59e | 3421 | } else { |
6fd6ed71 | 3422 | ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3423 | &of_out, version); |
3424 | } | |
f25d0cf3 | 3425 | |
6fd6ed71 PS |
3426 | print_differences("", of_in.data, of_in.size, |
3427 | of_out.data, of_out.size); | |
f25d0cf3 BP |
3428 | putchar('\n'); |
3429 | ||
3430 | ofpbuf_uninit(&ofpacts); | |
65a8a59e BP |
3431 | ofpbuf_uninit(&of_in); |
3432 | ofpbuf_uninit(&of_out); | |
f25d0cf3 BP |
3433 | } |
3434 | ds_destroy(&in); | |
3435 | } | |
3436 | ||
65a8a59e BP |
3437 | /* "parse-actions VERSION": reads a series of action specifications for the |
3438 | * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts, | |
3439 | * prints them as strings on stdout, and then converts them back to hex bytes | |
3440 | * and prints any differences from the input. */ | |
8f2cded4 | 3441 | static void |
1636c761 | 3442 | ofctl_parse_actions(struct ovs_cmdl_context *ctx) |
8f2cded4 | 3443 | { |
1636c761 | 3444 | ofctl_parse_actions__(ctx->argv[1], false); |
8f2cded4 BP |
3445 | } |
3446 | ||
65a8a59e BP |
3447 | /* "parse-actions VERSION": reads a series of instruction specifications for |
3448 | * the given OpenFlow VERSION as hex bytes from stdin, converts them to | |
3449 | * ofpacts, prints them as strings on stdout, and then converts them back to | |
3450 | * hex bytes and prints any differences from the input. */ | |
8f2cded4 | 3451 | static void |
1636c761 | 3452 | ofctl_parse_instructions(struct ovs_cmdl_context *ctx) |
8f2cded4 | 3453 | { |
1636c761 | 3454 | ofctl_parse_actions__(ctx->argv[1], true); |
8f2cded4 BP |
3455 | } |
3456 | ||
96628ae8 BP |
3457 | /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex |
3458 | * bytes from stdin, converts them to cls_rules, prints them as strings on | |
3459 | * stdout, and then converts them back to hex bytes and prints any differences | |
8812ec2c BP |
3460 | * from the input. |
3461 | * | |
3462 | * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose | |
3463 | * values are ignored in the input and will be set to zero when OVS converts | |
3464 | * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when | |
3465 | * it does the conversion to hex, to ensure that in fact they are ignored. */ | |
96628ae8 | 3466 | static void |
1636c761 | 3467 | ofctl_parse_ofp10_match(struct ovs_cmdl_context *ctx OVS_UNUSED) |
96628ae8 | 3468 | { |
8812ec2c | 3469 | struct ds expout; |
96628ae8 BP |
3470 | struct ds in; |
3471 | ||
3472 | ds_init(&in); | |
8812ec2c | 3473 | ds_init(&expout); |
bdda5aca | 3474 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
8812ec2c | 3475 | struct ofpbuf match_in, match_expout; |
96628ae8 BP |
3476 | struct ofp10_match match_out; |
3477 | struct ofp10_match match_normal; | |
81a76618 | 3478 | struct match match; |
8812ec2c BP |
3479 | char *p; |
3480 | ||
3481 | /* Parse hex bytes to use for expected output. */ | |
3482 | ds_clear(&expout); | |
3483 | ds_put_cstr(&expout, ds_cstr(&in)); | |
3484 | for (p = ds_cstr(&expout); *p; p++) { | |
3485 | if (*p == 'x') { | |
3486 | *p = '0'; | |
3487 | } | |
3488 | } | |
3489 | ofpbuf_init(&match_expout, 0); | |
3490 | if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') { | |
3491 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3492 | } | |
6fd6ed71 | 3493 | if (match_expout.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3494 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3495 | match_expout.size, sizeof(struct ofp10_match)); |
8812ec2c | 3496 | } |
96628ae8 | 3497 | |
8812ec2c BP |
3498 | /* Parse hex bytes for input. */ |
3499 | for (p = ds_cstr(&in); *p; p++) { | |
3500 | if (*p == 'x') { | |
3501 | *p = "0123456789abcdef"[random_uint32() & 0xf]; | |
3502 | } | |
3503 | } | |
96628ae8 BP |
3504 | ofpbuf_init(&match_in, 0); |
3505 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3506 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3507 | } | |
6fd6ed71 | 3508 | if (match_in.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3509 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3510 | match_in.size, sizeof(struct ofp10_match)); |
96628ae8 BP |
3511 | } |
3512 | ||
3513 | /* Convert to cls_rule and print. */ | |
6fd6ed71 | 3514 | ofputil_match_from_ofp10_match(match_in.data, &match); |
81a76618 | 3515 | match_print(&match); |
96628ae8 BP |
3516 | |
3517 | /* Convert back to ofp10_match and print differences from input. */ | |
81a76618 | 3518 | ofputil_match_to_ofp10_match(&match, &match_out); |
6fd6ed71 | 3519 | print_differences("", match_expout.data, match_expout.size, |
96628ae8 BP |
3520 | &match_out, sizeof match_out); |
3521 | ||
3522 | /* Normalize, then convert and compare again. */ | |
81a76618 BP |
3523 | ofputil_normalize_match(&match); |
3524 | ofputil_match_to_ofp10_match(&match, &match_normal); | |
96628ae8 BP |
3525 | print_differences("normal: ", &match_out, sizeof match_out, |
3526 | &match_normal, sizeof match_normal); | |
3527 | putchar('\n'); | |
3528 | ||
3529 | ofpbuf_uninit(&match_in); | |
8812ec2c | 3530 | ofpbuf_uninit(&match_expout); |
96628ae8 BP |
3531 | } |
3532 | ds_destroy(&in); | |
8812ec2c | 3533 | ds_destroy(&expout); |
96628ae8 BP |
3534 | } |
3535 | ||
410698cf | 3536 | /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex |
81a76618 BP |
3537 | * bytes from stdin, converts them to "struct match"es, prints them as strings |
3538 | * on stdout, and then converts them back to hex bytes and prints any | |
3539 | * differences from the input. */ | |
410698cf | 3540 | static void |
1636c761 | 3541 | ofctl_parse_ofp11_match(struct ovs_cmdl_context *ctx OVS_UNUSED) |
410698cf BP |
3542 | { |
3543 | struct ds in; | |
3544 | ||
3545 | ds_init(&in); | |
bdda5aca | 3546 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
410698cf BP |
3547 | struct ofpbuf match_in; |
3548 | struct ofp11_match match_out; | |
81a76618 | 3549 | struct match match; |
410698cf | 3550 | enum ofperr error; |
410698cf BP |
3551 | |
3552 | /* Parse hex bytes. */ | |
3553 | ofpbuf_init(&match_in, 0); | |
3554 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3555 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3556 | } | |
6fd6ed71 | 3557 | if (match_in.size != sizeof(struct ofp11_match)) { |
437d0d22 | 3558 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3559 | match_in.size, sizeof(struct ofp11_match)); |
410698cf BP |
3560 | } |
3561 | ||
81a76618 | 3562 | /* Convert to match. */ |
6fd6ed71 | 3563 | error = ofputil_match_from_ofp11_match(match_in.data, &match); |
410698cf BP |
3564 | if (error) { |
3565 | printf("bad ofp11_match: %s\n\n", ofperr_get_name(error)); | |
3566 | ofpbuf_uninit(&match_in); | |
3567 | continue; | |
3568 | } | |
3569 | ||
81a76618 BP |
3570 | /* Print match. */ |
3571 | match_print(&match); | |
410698cf BP |
3572 | |
3573 | /* Convert back to ofp11_match and print differences from input. */ | |
81a76618 | 3574 | ofputil_match_to_ofp11_match(&match, &match_out); |
410698cf | 3575 | |
6fd6ed71 | 3576 | print_differences("", match_in.data, match_in.size, |
d01c980f BP |
3577 | &match_out, sizeof match_out); |
3578 | putchar('\n'); | |
410698cf | 3579 | |
d01c980f BP |
3580 | ofpbuf_uninit(&match_in); |
3581 | } | |
3582 | ds_destroy(&in); | |
3583 | } | |
3584 | ||
14249c02 BP |
3585 | /* "parse-pcap PCAP": read packets from PCAP and print their flows. */ |
3586 | static void | |
1636c761 | 3587 | ofctl_parse_pcap(struct ovs_cmdl_context *ctx) |
14249c02 BP |
3588 | { |
3589 | FILE *pcap; | |
3590 | ||
1636c761 | 3591 | pcap = ovs_pcap_open(ctx->argv[1], "rb"); |
14249c02 | 3592 | if (!pcap) { |
1636c761 | 3593 | ovs_fatal(errno, "%s: open failed", ctx->argv[1]); |
14249c02 BP |
3594 | } |
3595 | ||
3596 | for (;;) { | |
cf62fa4c | 3597 | struct dp_packet *packet; |
14249c02 BP |
3598 | struct flow flow; |
3599 | int error; | |
3600 | ||
50aa0364 | 3601 | error = ovs_pcap_read(pcap, &packet, NULL); |
14249c02 BP |
3602 | if (error == EOF) { |
3603 | break; | |
3604 | } else if (error) { | |
1636c761 | 3605 | ovs_fatal(error, "%s: read failed", ctx->argv[1]); |
14249c02 BP |
3606 | } |
3607 | ||
35303d71 | 3608 | pkt_metadata_init(&packet->md, ODPP_NONE); |
cf62fa4c | 3609 | flow_extract(packet, &flow); |
14249c02 BP |
3610 | flow_print(stdout, &flow); |
3611 | putchar('\n'); | |
cf62fa4c | 3612 | dp_packet_delete(packet); |
14249c02 BP |
3613 | } |
3614 | } | |
3615 | ||
df778240 BP |
3616 | /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and |
3617 | * mask values to and from various formats and prints the results. */ | |
3618 | static void | |
1636c761 | 3619 | ofctl_check_vlan(struct ovs_cmdl_context *ctx) |
df778240 | 3620 | { |
81a76618 | 3621 | struct match match; |
df778240 BP |
3622 | |
3623 | char *string_s; | |
3624 | struct ofputil_flow_mod fm; | |
3625 | ||
3626 | struct ofpbuf nxm; | |
81a76618 | 3627 | struct match nxm_match; |
df778240 BP |
3628 | int nxm_match_len; |
3629 | char *nxm_s; | |
3630 | ||
81a76618 BP |
3631 | struct ofp10_match of10_raw; |
3632 | struct match of10_match; | |
df778240 | 3633 | |
81a76618 BP |
3634 | struct ofp11_match of11_raw; |
3635 | struct match of11_match; | |
df778240 BP |
3636 | |
3637 | enum ofperr error; | |
bdda5aca | 3638 | char *error_s; |
df778240 | 3639 | |
db0b6c29 JR |
3640 | enum ofputil_protocol usable_protocols; /* Unused for now. */ |
3641 | ||
81a76618 | 3642 | match_init_catchall(&match); |
1636c761 RB |
3643 | match.flow.vlan_tci = htons(strtoul(ctx->argv[1], NULL, 16)); |
3644 | match.wc.masks.vlan_tci = htons(strtoul(ctx->argv[2], NULL, 16)); | |
df778240 BP |
3645 | |
3646 | /* Convert to and from string. */ | |
81a76618 | 3647 | string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY); |
df778240 BP |
3648 | printf("%s -> ", string_s); |
3649 | fflush(stdout); | |
ba2fe8e9 | 3650 | error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols); |
bdda5aca BP |
3651 | if (error_s) { |
3652 | ovs_fatal(0, "%s", error_s); | |
3653 | } | |
df778240 | 3654 | printf("%04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3655 | ntohs(fm.match.flow.vlan_tci), |
3656 | ntohs(fm.match.wc.masks.vlan_tci)); | |
4d859fa9 | 3657 | free(string_s); |
df778240 BP |
3658 | |
3659 | /* Convert to and from NXM. */ | |
3660 | ofpbuf_init(&nxm, 0); | |
81a76618 | 3661 | nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0)); |
6fd6ed71 | 3662 | nxm_s = nx_match_to_string(nxm.data, nxm_match_len); |
81a76618 | 3663 | error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL); |
df778240 BP |
3664 | printf("NXM: %s -> ", nxm_s); |
3665 | if (error) { | |
3666 | printf("%s\n", ofperr_to_string(error)); | |
3667 | } else { | |
3668 | printf("%04"PRIx16"/%04"PRIx16"\n", | |
81a76618 BP |
3669 | ntohs(nxm_match.flow.vlan_tci), |
3670 | ntohs(nxm_match.wc.masks.vlan_tci)); | |
df778240 BP |
3671 | } |
3672 | free(nxm_s); | |
3673 | ofpbuf_uninit(&nxm); | |
3674 | ||
476a0e9e SH |
3675 | /* Convert to and from OXM. */ |
3676 | ofpbuf_init(&nxm, 0); | |
9d84066c | 3677 | nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION); |
db5a1019 | 3678 | nxm_s = oxm_match_to_string(&nxm, nxm_match_len); |
81a76618 | 3679 | error = oxm_pull_match(&nxm, &nxm_match); |
476a0e9e SH |
3680 | printf("OXM: %s -> ", nxm_s); |
3681 | if (error) { | |
3682 | printf("%s\n", ofperr_to_string(error)); | |
3683 | } else { | |
81a76618 | 3684 | uint16_t vid = ntohs(nxm_match.flow.vlan_tci) & |
476a0e9e | 3685 | (VLAN_VID_MASK | VLAN_CFI); |
81a76618 | 3686 | uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) & |
476a0e9e SH |
3687 | (VLAN_VID_MASK | VLAN_CFI); |
3688 | ||
3689 | printf("%04"PRIx16"/%04"PRIx16",", vid, mask); | |
81a76618 BP |
3690 | if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) { |
3691 | printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci)); | |
476a0e9e SH |
3692 | } else { |
3693 | printf("--\n"); | |
3694 | } | |
3695 | } | |
3696 | free(nxm_s); | |
3697 | ofpbuf_uninit(&nxm); | |
3698 | ||
df778240 | 3699 | /* Convert to and from OpenFlow 1.0. */ |
81a76618 BP |
3700 | ofputil_match_to_ofp10_match(&match, &of10_raw); |
3701 | ofputil_match_from_ofp10_match(&of10_raw, &of10_match); | |
df778240 | 3702 | printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3703 | ntohs(of10_raw.dl_vlan), |
3704 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0, | |
3705 | of10_raw.dl_vlan_pcp, | |
3706 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0, | |
3707 | ntohs(of10_match.flow.vlan_tci), | |
3708 | ntohs(of10_match.wc.masks.vlan_tci)); | |
df778240 BP |
3709 | |
3710 | /* Convert to and from OpenFlow 1.1. */ | |
81a76618 BP |
3711 | ofputil_match_to_ofp11_match(&match, &of11_raw); |
3712 | ofputil_match_from_ofp11_match(&of11_raw, &of11_match); | |
df778240 | 3713 | printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3714 | ntohs(of11_raw.dl_vlan), |
3715 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0, | |
3716 | of11_raw.dl_vlan_pcp, | |
3717 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0, | |
3718 | ntohs(of11_match.flow.vlan_tci), | |
3719 | ntohs(of11_match.wc.masks.vlan_tci)); | |
df778240 BP |
3720 | } |
3721 | ||
2e0525bc SH |
3722 | /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow |
3723 | * version. */ | |
3724 | static void | |
1636c761 | 3725 | ofctl_print_error(struct ovs_cmdl_context *ctx) |
2e0525bc SH |
3726 | { |
3727 | enum ofperr error; | |
3728 | int version; | |
3729 | ||
1636c761 | 3730 | error = ofperr_from_name(ctx->argv[1]); |
2e0525bc | 3731 | if (!error) { |
1636c761 | 3732 | ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]); |
2e0525bc SH |
3733 | } |
3734 | ||
3735 | for (version = 0; version <= UINT8_MAX; version++) { | |
688e86e1 | 3736 | const char *name = ofperr_domain_get_name(version); |
514887ee BP |
3737 | if (name) { |
3738 | int vendor = ofperr_get_vendor(error, version); | |
3739 | int type = ofperr_get_type(error, version); | |
3740 | int code = ofperr_get_code(error, version); | |
3741 | ||
3742 | if (vendor != -1 || type != -1 || code != -1) { | |
3743 | printf("%s: vendor %#x, type %d, code %d\n", | |
3744 | name, vendor, type, code); | |
3745 | } | |
2e0525bc | 3746 | } |
2e0525bc SH |
3747 | } |
3748 | } | |
3749 | ||
edd70aa7 BP |
3750 | /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the |
3751 | * error named ENUM and prints the error reply in hex. */ | |
3752 | static void | |
1636c761 | 3753 | ofctl_encode_error_reply(struct ovs_cmdl_context *ctx) |
edd70aa7 BP |
3754 | { |
3755 | const struct ofp_header *oh; | |
3756 | struct ofpbuf request, *reply; | |
3757 | enum ofperr error; | |
3758 | ||
1636c761 | 3759 | error = ofperr_from_name(ctx->argv[1]); |
edd70aa7 | 3760 | if (!error) { |
1636c761 | 3761 | ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]); |
edd70aa7 BP |
3762 | } |
3763 | ||
3764 | ofpbuf_init(&request, 0); | |
1636c761 | 3765 | if (ofpbuf_put_hex(&request, ctx->argv[2], NULL)[0] != '\0') { |
edd70aa7 BP |
3766 | ovs_fatal(0, "Trailing garbage in hex data"); |
3767 | } | |
6fd6ed71 | 3768 | if (request.size < sizeof(struct ofp_header)) { |
edd70aa7 BP |
3769 | ovs_fatal(0, "Request too short"); |
3770 | } | |
3771 | ||
6fd6ed71 PS |
3772 | oh = request.data; |
3773 | if (request.size != ntohs(oh->length)) { | |
edd70aa7 BP |
3774 | ovs_fatal(0, "Request size inconsistent"); |
3775 | } | |
3776 | ||
6fd6ed71 | 3777 | reply = ofperr_encode_reply(error, request.data); |
edd70aa7 BP |
3778 | ofpbuf_uninit(&request); |
3779 | ||
6fd6ed71 | 3780 | ovs_hex_dump(stdout, reply->data, reply->size, 0, false); |
edd70aa7 BP |
3781 | ofpbuf_delete(reply); |
3782 | } | |
3783 | ||
fec00620 BP |
3784 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
3785 | * binary data, interpreting them as an OpenFlow message, and prints the | |
8b227701 GS |
3786 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). |
3787 | * | |
3788 | * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where | |
3789 | * HEXSTRING_FILE contains the HEXSTRING. */ | |
fec00620 | 3790 | static void |
1636c761 | 3791 | ofctl_ofp_print(struct ovs_cmdl_context *ctx) |
fec00620 BP |
3792 | { |
3793 | struct ofpbuf packet; | |
8b227701 GS |
3794 | char *buffer; |
3795 | int verbosity = 2; | |
3796 | struct ds line; | |
3797 | ||
3798 | ds_init(&line); | |
3799 | ||
1636c761 | 3800 | if (!strcmp(ctx->argv[ctx->argc-1], "-")) { |
8b227701 GS |
3801 | if (ds_get_line(&line, stdin)) { |
3802 | VLOG_FATAL("Failed to read stdin"); | |
3803 | } | |
3804 | ||
3805 | buffer = line.string; | |
1636c761 RB |
3806 | verbosity = ctx->argc > 2 ? atoi(ctx->argv[1]) : verbosity; |
3807 | } else if (ctx->argc > 2) { | |
3808 | buffer = ctx->argv[1]; | |
3809 | verbosity = atoi(ctx->argv[2]); | |
8b227701 | 3810 | } else { |
1636c761 | 3811 | buffer = ctx->argv[1]; |
8b227701 | 3812 | } |
fec00620 | 3813 | |
8b227701 GS |
3814 | ofpbuf_init(&packet, strlen(buffer) / 2); |
3815 | if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') { | |
fec00620 BP |
3816 | ovs_fatal(0, "trailing garbage following hex bytes"); |
3817 | } | |
6fd6ed71 | 3818 | ofp_print(stdout, packet.data, packet.size, verbosity); |
fec00620 | 3819 | ofpbuf_uninit(&packet); |
8b227701 | 3820 | ds_destroy(&line); |
fec00620 BP |
3821 | } |
3822 | ||
681ea7a0 BP |
3823 | /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message |
3824 | * and dumps each message in hex. */ | |
3825 | static void | |
1636c761 | 3826 | ofctl_encode_hello(struct ovs_cmdl_context *ctx) |
681ea7a0 | 3827 | { |
1636c761 | 3828 | uint32_t bitmap = strtol(ctx->argv[1], NULL, 0); |
681ea7a0 BP |
3829 | struct ofpbuf *hello; |
3830 | ||
3831 | hello = ofputil_encode_hello(bitmap); | |
6fd6ed71 PS |
3832 | ovs_hex_dump(stdout, hello->data, hello->size, 0, false); |
3833 | ofp_print(stdout, hello->data, hello->size, verbosity); | |
681ea7a0 BP |
3834 | ofpbuf_delete(hello); |
3835 | } | |
3836 | ||
5f383751 | 3837 | static const struct ovs_cmdl_command all_commands[] = { |
451de37e AW |
3838 | { "show", "switch", |
3839 | 1, 1, ofctl_show }, | |
3840 | { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]", | |
3841 | 1, 3, ofctl_monitor }, | |
3842 | { "snoop", "switch", | |
3843 | 1, 1, ofctl_snoop }, | |
3844 | { "dump-desc", "switch", | |
3845 | 1, 1, ofctl_dump_desc }, | |
3846 | { "dump-tables", "switch", | |
3847 | 1, 1, ofctl_dump_tables }, | |
3848 | { "dump-table-features", "switch", | |
3849 | 1, 1, ofctl_dump_table_features }, | |
03c72922 BP |
3850 | { "dump-table-desc", "switch", |
3851 | 1, 1, ofctl_dump_table_desc }, | |
451de37e AW |
3852 | { "dump-flows", "switch", |
3853 | 1, 2, ofctl_dump_flows }, | |
3854 | { "dump-aggregate", "switch", | |
3855 | 1, 2, ofctl_dump_aggregate }, | |
3856 | { "queue-stats", "switch [port [queue]]", | |
3857 | 1, 3, ofctl_queue_stats }, | |
3858 | { "queue-get-config", "switch port", | |
3859 | 2, 2, ofctl_queue_get_config }, | |
3860 | { "add-flow", "switch flow", | |
3861 | 2, 2, ofctl_add_flow }, | |
3862 | { "add-flows", "switch file", | |
3863 | 2, 2, ofctl_add_flows }, | |
3864 | { "mod-flows", "switch flow", | |
3865 | 2, 2, ofctl_mod_flows }, | |
3866 | { "del-flows", "switch [flow]", | |
3867 | 1, 2, ofctl_del_flows }, | |
3868 | { "replace-flows", "switch file", | |
3869 | 2, 2, ofctl_replace_flows }, | |
3870 | { "diff-flows", "source1 source2", | |
3871 | 2, 2, ofctl_diff_flows }, | |
3872 | { "add-meter", "switch meter", | |
3873 | 2, 2, ofctl_add_meter }, | |
3874 | { "mod-meter", "switch meter", | |
3875 | 2, 2, ofctl_mod_meter }, | |
3876 | { "del-meter", "switch meter", | |
3877 | 2, 2, ofctl_del_meters }, | |
3878 | { "del-meters", "switch", | |
3879 | 1, 1, ofctl_del_meters }, | |
3880 | { "dump-meter", "switch meter", | |
3881 | 2, 2, ofctl_dump_meters }, | |
3882 | { "dump-meters", "switch", | |
3883 | 1, 1, ofctl_dump_meters }, | |
3884 | { "meter-stats", "switch [meter]", | |
3885 | 1, 2, ofctl_meter_stats }, | |
3886 | { "meter-features", "switch", | |
3887 | 1, 1, ofctl_meter_features }, | |
3888 | { "packet-out", "switch in_port actions packet...", | |
3889 | 4, INT_MAX, ofctl_packet_out }, | |
3890 | { "dump-ports", "switch [port]", | |
3891 | 1, 2, ofctl_dump_ports }, | |
3892 | { "dump-ports-desc", "switch [port]", | |
3893 | 1, 2, ofctl_dump_ports_desc }, | |
3894 | { "mod-port", "switch iface act", | |
3895 | 3, 3, ofctl_mod_port }, | |
3896 | { "mod-table", "switch mod", | |
3897 | 3, 3, ofctl_mod_table }, | |
3898 | { "get-frags", "switch", | |
3899 | 1, 1, ofctl_get_frags }, | |
3900 | { "set-frags", "switch frag_mode", | |
3901 | 2, 2, ofctl_set_frags }, | |
3902 | { "probe", "target", | |
3903 | 1, 1, ofctl_probe }, | |
3904 | { "ping", "target [n]", | |
3905 | 1, 2, ofctl_ping }, | |
3906 | { "benchmark", "target n count", | |
3907 | 3, 3, ofctl_benchmark }, | |
3908 | ||
3909 | { "ofp-parse", "file", | |
3910 | 1, 1, ofctl_ofp_parse }, | |
3911 | { "ofp-parse-pcap", "pcap", | |
3912 | 1, INT_MAX, ofctl_ofp_parse_pcap }, | |
3913 | ||
3914 | { "add-group", "switch group", | |
3915 | 1, 2, ofctl_add_group }, | |
3916 | { "add-groups", "switch file", | |
3917 | 1, 2, ofctl_add_groups }, | |
3918 | { "mod-group", "switch group", | |
3919 | 1, 2, ofctl_mod_group }, | |
3920 | { "del-groups", "switch [group]", | |
3921 | 1, 2, ofctl_del_groups }, | |
bdbb8426 SH |
3922 | { "insert-buckets", "switch [group]", |
3923 | 1, 2, ofctl_insert_bucket }, | |
3924 | { "remove-buckets", "switch [group]", | |
3925 | 1, 2, ofctl_remove_bucket }, | |
451de37e AW |
3926 | { "dump-groups", "switch [group]", |
3927 | 1, 2, ofctl_dump_group_desc }, | |
3928 | { "dump-group-stats", "switch [group]", | |
3929 | 1, 2, ofctl_dump_group_stats }, | |
3930 | { "dump-group-features", "switch", | |
3931 | 1, 1, ofctl_dump_group_features }, | |
4e548ad9 ML |
3932 | { "add-tlv-map", "switch map", |
3933 | 2, 2, ofctl_add_tlv_map }, | |
3934 | { "del-tlv-map", "switch [map]", | |
3935 | 1, 2, ofctl_del_tlv_map }, | |
3936 | { "dump-tlv-map", "switch", | |
3937 | 1, 1, ofctl_dump_tlv_map }, | |
451de37e AW |
3938 | { "help", NULL, 0, INT_MAX, ofctl_help }, |
3939 | { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands }, | |
09246b99 BP |
3940 | |
3941 | /* Undocumented commands for testing. */ | |
451de37e AW |
3942 | { "parse-flow", NULL, 1, 1, ofctl_parse_flow }, |
3943 | { "parse-flows", NULL, 1, 1, ofctl_parse_flows }, | |
3944 | { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm }, | |
3945 | { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm }, | |
3946 | { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm }, | |
3947 | { "parse-actions", NULL, 1, 1, ofctl_parse_actions }, | |
3948 | { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions }, | |
3949 | { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match }, | |
3950 | { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match }, | |
3951 | { "parse-pcap", NULL, 1, 1, ofctl_parse_pcap }, | |
3952 | { "check-vlan", NULL, 2, 2, ofctl_check_vlan }, | |
3953 | { "print-error", NULL, 1, 1, ofctl_print_error }, | |
3954 | { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply }, | |
3955 | { "ofp-print", NULL, 1, 2, ofctl_ofp_print }, | |
3956 | { "encode-hello", NULL, 1, 1, ofctl_encode_hello }, | |
3957 | ||
3958 | { NULL, NULL, 0, 0, NULL }, | |
064af421 | 3959 | }; |
3815d6c2 | 3960 | |
5f383751 | 3961 | static const struct ovs_cmdl_command *get_all_commands(void) |
3815d6c2 LS |
3962 | { |
3963 | return all_commands; | |
3964 | } |