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064af421 | 1 | /* |
18080541 | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc. |
064af421 | 3 | * |
a14bc59f BP |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
064af421 | 7 | * |
a14bc59f BP |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
064af421 BP |
15 | */ |
16 | ||
17 | #include <config.h> | |
2b07c8b1 | 18 | #include <ctype.h> |
064af421 BP |
19 | #include <errno.h> |
20 | #include <getopt.h> | |
21 | #include <inttypes.h> | |
bd6b7545 | 22 | #include <sys/socket.h> |
064af421 | 23 | #include <net/if.h> |
064af421 | 24 | #include <signal.h> |
064af421 BP |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
71d1b763 | 28 | #include <fcntl.h> |
064af421 BP |
29 | #include <sys/stat.h> |
30 | #include <sys/time.h> | |
31 | ||
10a24935 | 32 | #include "byte-order.h" |
09246b99 | 33 | #include "classifier.h" |
064af421 | 34 | #include "command-line.h" |
1eb85ef5 | 35 | #include "daemon.h" |
064af421 BP |
36 | #include "compiler.h" |
37 | #include "dirs.h" | |
09246b99 | 38 | #include "dynamic-string.h" |
8a777cf6 | 39 | #include "fatal-signal.h" |
09246b99 | 40 | #include "nx-match.h" |
064af421 | 41 | #include "odp-util.h" |
f25d0cf3 | 42 | #include "ofp-actions.h" |
90bf1e07 | 43 | #include "ofp-errors.h" |
982697a4 | 44 | #include "ofp-msgs.h" |
f22716dc | 45 | #include "ofp-parse.h" |
064af421 | 46 | #include "ofp-print.h" |
fa37b408 | 47 | #include "ofp-util.h" |
a53a8efa | 48 | #include "ofp-version-opt.h" |
064af421 | 49 | #include "ofpbuf.h" |
63d347ce | 50 | #include "ofproto/ofproto.h" |
064af421 BP |
51 | #include "openflow/nicira-ext.h" |
52 | #include "openflow/openflow.h" | |
cf62fa4c | 53 | #include "dp-packet.h" |
0c3d5fc8 | 54 | #include "packets.h" |
14249c02 | 55 | #include "pcap-file.h" |
1eb85ef5 | 56 | #include "poll-loop.h" |
064af421 | 57 | #include "random.h" |
fe55ad15 | 58 | #include "stream-ssl.h" |
c3f25389 | 59 | #include "socket-util.h" |
064af421 | 60 | #include "timeval.h" |
1eb85ef5 | 61 | #include "unixctl.h" |
064af421 | 62 | #include "util.h" |
4a1f523f | 63 | #include "openvswitch/vconn.h" |
e6211adc | 64 | #include "openvswitch/vlog.h" |
bdcc5925 BP |
65 | #include "meta-flow.h" |
66 | #include "sort.h" | |
064af421 | 67 | |
d98e6007 | 68 | VLOG_DEFINE_THIS_MODULE(ofctl); |
064af421 | 69 | |
102ce766 EJ |
70 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
71 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
72 | */ | |
675febfa | 73 | static bool strict; |
064af421 | 74 | |
96989efc | 75 | /* --readd: If true, on replace-flows, re-add even flows that have not changed |
c4ea79bf BP |
76 | * (to reset flow counters). */ |
77 | static bool readd; | |
78 | ||
27527aa0 BP |
79 | /* -F, --flow-format: Allowed protocols. By default, any protocol is |
80 | * allowed. */ | |
81 | static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY; | |
88ca35ee | 82 | |
54834960 EJ |
83 | /* -P, --packet-in-format: Packet IN format to use in monitor and snoop |
84 | * commands. Either one of NXPIF_* to force a particular packet_in format, or | |
85 | * -1 to let ovs-ofctl choose the default. */ | |
86 | static int preferred_packet_in_format = -1; | |
87 | ||
4f564f8d BP |
88 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
89 | static int verbosity; | |
90 | ||
0c9560b7 BP |
91 | /* --timestamp: Print a timestamp before each received packet on "monitor" and |
92 | * "snoop" command? */ | |
93 | static bool timestamp; | |
94 | ||
19945013 BP |
95 | /* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop" |
96 | commands. */ | |
97 | static char *unixctl_path; | |
98 | ||
bdcc5925 BP |
99 | /* --sort, --rsort: Sort order. */ |
100 | enum sort_order { SORT_ASC, SORT_DESC }; | |
101 | struct sort_criterion { | |
102 | const struct mf_field *field; /* NULL means to sort by priority. */ | |
103 | enum sort_order order; | |
104 | }; | |
105 | static struct sort_criterion *criteria; | |
106 | static size_t n_criteria, allocated_criteria; | |
107 | ||
5f383751 | 108 | static const struct ovs_cmdl_command *get_all_commands(void); |
064af421 | 109 | |
cab50449 | 110 | OVS_NO_RETURN static void usage(void); |
675febfa | 111 | static void parse_options(int argc, char *argv[]); |
064af421 | 112 | |
bdcc5925 BP |
113 | static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid, |
114 | struct ofpbuf **replyp, | |
115 | struct ofputil_flow_stats *, | |
116 | struct ofpbuf *ofpacts); | |
675febfa BP |
117 | int |
118 | main(int argc, char *argv[]) | |
064af421 | 119 | { |
1636c761 | 120 | struct ovs_cmdl_context ctx = { .argc = 0, }; |
064af421 | 121 | set_program_name(argv[0]); |
5e3ee29d | 122 | service_start(&argc, &argv); |
675febfa | 123 | parse_options(argc, argv); |
8a777cf6 | 124 | fatal_ignore_sigpipe(); |
1636c761 RB |
125 | ctx.argc = argc - optind; |
126 | ctx.argv = argv + optind; | |
127 | ovs_cmdl_run_command(&ctx, get_all_commands()); | |
064af421 BP |
128 | return 0; |
129 | } | |
130 | ||
bdcc5925 BP |
131 | static void |
132 | add_sort_criterion(enum sort_order order, const char *field) | |
133 | { | |
134 | struct sort_criterion *sc; | |
135 | ||
136 | if (n_criteria >= allocated_criteria) { | |
137 | criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria); | |
138 | } | |
139 | ||
140 | sc = &criteria[n_criteria++]; | |
141 | if (!field || !strcasecmp(field, "priority")) { | |
142 | sc->field = NULL; | |
143 | } else { | |
144 | sc->field = mf_from_name(field); | |
145 | if (!sc->field) { | |
146 | ovs_fatal(0, "%s: unknown field name", field); | |
147 | } | |
148 | } | |
149 | sc->order = order; | |
150 | } | |
151 | ||
064af421 | 152 | static void |
675febfa | 153 | parse_options(int argc, char *argv[]) |
064af421 BP |
154 | { |
155 | enum { | |
87c84891 | 156 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 157 | OPT_READD, |
0c9560b7 | 158 | OPT_TIMESTAMP, |
bdcc5925 BP |
159 | OPT_SORT, |
160 | OPT_RSORT, | |
19945013 | 161 | OPT_UNIXCTL, |
1eb85ef5 | 162 | DAEMON_OPTION_ENUMS, |
a53a8efa | 163 | OFP_VERSION_OPTION_ENUMS, |
87c84891 | 164 | VLOG_OPTION_ENUMS |
064af421 | 165 | }; |
07fc4ed3 | 166 | static const struct option long_options[] = { |
e3c17733 BP |
167 | {"timeout", required_argument, NULL, 't'}, |
168 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 169 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 | 170 | {"flow-format", required_argument, NULL, 'F'}, |
54834960 | 171 | {"packet-in-format", required_argument, NULL, 'P'}, |
e3c17733 | 172 | {"more", no_argument, NULL, 'm'}, |
0c9560b7 | 173 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
bdcc5925 BP |
174 | {"sort", optional_argument, NULL, OPT_SORT}, |
175 | {"rsort", optional_argument, NULL, OPT_RSORT}, | |
19945013 | 176 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, |
e3c17733 | 177 | {"help", no_argument, NULL, 'h'}, |
66fa2c88 | 178 | {"option", no_argument, NULL, 'o'}, |
1eb85ef5 | 179 | DAEMON_LONG_OPTIONS, |
a53a8efa | 180 | OFP_VERSION_LONG_OPTIONS, |
87c84891 | 181 | VLOG_LONG_OPTIONS, |
bf8f2167 | 182 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 183 | {NULL, 0, NULL, 0}, |
064af421 | 184 | }; |
5f383751 | 185 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
37923ac7 BP |
186 | uint32_t versions; |
187 | enum ofputil_protocol version_protocols; | |
064af421 | 188 | |
6dc53744 BP |
189 | /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is |
190 | * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow | |
191 | * requests, but those requests have subtly different semantics in | |
192 | * different OpenFlow versions. For example: | |
193 | * | |
194 | * - In OpenFlow 1.0, a "mod-flow" operation that does not find any | |
195 | * existing flow to modify adds a new flow. | |
196 | * | |
197 | * - In OpenFlow 1.1, a "mod-flow" operation that does not find any | |
198 | * existing flow to modify adds a new flow, but only if the mod-flow | |
199 | * did not match on the flow cookie. | |
200 | * | |
201 | * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a | |
202 | * new flow. | |
203 | */ | |
204 | set_allowed_ofp_versions("OpenFlow10"); | |
205 | ||
064af421 BP |
206 | for (;;) { |
207 | unsigned long int timeout; | |
208 | int c; | |
209 | ||
210 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
211 | if (c == -1) { | |
212 | break; | |
213 | } | |
214 | ||
215 | switch (c) { | |
216 | case 't': | |
217 | timeout = strtoul(optarg, NULL, 10); | |
218 | if (timeout <= 0) { | |
219 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
220 | optarg); | |
221 | } else { | |
222 | time_alarm(timeout); | |
223 | } | |
224 | break; | |
225 | ||
88ca35ee | 226 | case 'F': |
27527aa0 BP |
227 | allowed_protocols = ofputil_protocols_from_string(optarg); |
228 | if (!allowed_protocols) { | |
229 | ovs_fatal(0, "%s: invalid flow format(s)", optarg); | |
88ca35ee BP |
230 | } |
231 | break; | |
232 | ||
54834960 EJ |
233 | case 'P': |
234 | preferred_packet_in_format = | |
235 | ofputil_packet_in_format_from_string(optarg); | |
236 | if (preferred_packet_in_format < 0) { | |
237 | ovs_fatal(0, "unknown packet-in format `%s'", optarg); | |
238 | } | |
239 | break; | |
240 | ||
4f564f8d BP |
241 | case 'm': |
242 | verbosity++; | |
243 | break; | |
244 | ||
064af421 BP |
245 | case 'h': |
246 | usage(); | |
247 | ||
66fa2c88 | 248 | case 'o': |
5f383751 | 249 | ovs_cmdl_print_options(long_options); |
66fa2c88 AW |
250 | exit(EXIT_SUCCESS); |
251 | ||
064af421 | 252 | case OPT_STRICT: |
675febfa | 253 | strict = true; |
064af421 BP |
254 | break; |
255 | ||
c4ea79bf BP |
256 | case OPT_READD: |
257 | readd = true; | |
258 | break; | |
259 | ||
0c9560b7 BP |
260 | case OPT_TIMESTAMP: |
261 | timestamp = true; | |
262 | break; | |
263 | ||
bdcc5925 BP |
264 | case OPT_SORT: |
265 | add_sort_criterion(SORT_ASC, optarg); | |
266 | break; | |
267 | ||
268 | case OPT_RSORT: | |
269 | add_sort_criterion(SORT_DESC, optarg); | |
270 | break; | |
271 | ||
19945013 BP |
272 | case OPT_UNIXCTL: |
273 | unixctl_path = optarg; | |
274 | break; | |
275 | ||
1eb85ef5 | 276 | DAEMON_OPTION_HANDLERS |
a53a8efa | 277 | OFP_VERSION_OPTION_HANDLERS |
87c84891 | 278 | VLOG_OPTION_HANDLERS |
fe55ad15 | 279 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
280 | |
281 | case '?': | |
282 | exit(EXIT_FAILURE); | |
283 | ||
284 | default: | |
285 | abort(); | |
286 | } | |
287 | } | |
bdcc5925 BP |
288 | |
289 | if (n_criteria) { | |
290 | /* Always do a final sort pass based on priority. */ | |
291 | add_sort_criterion(SORT_DESC, "priority"); | |
292 | } | |
293 | ||
064af421 | 294 | free(short_options); |
37923ac7 BP |
295 | |
296 | versions = get_allowed_ofp_versions(); | |
297 | version_protocols = ofputil_protocols_from_version_bitmap(versions); | |
298 | if (!(allowed_protocols & version_protocols)) { | |
299 | char *protocols = ofputil_protocols_to_string(allowed_protocols); | |
300 | struct ds version_s = DS_EMPTY_INITIALIZER; | |
301 | ||
302 | ofputil_format_version_bitmap_names(&version_s, versions); | |
303 | ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports " | |
304 | "any of the enabled flow formats (%s). (Use -O to enable " | |
305 | "additional OpenFlow versions or -F to enable additional " | |
306 | "flow formats.)", ds_cstr(&version_s), protocols); | |
307 | } | |
308 | allowed_protocols &= version_protocols; | |
309 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
310 | allowed_protocols)); | |
064af421 BP |
311 | } |
312 | ||
313 | static void | |
314 | usage(void) | |
315 | { | |
316 | printf("%s: OpenFlow switch management utility\n" | |
317 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
318 | "\nFor OpenFlow switches:\n" | |
319 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
320 | " dump-desc SWITCH print switch description\n" |
321 | " dump-tables SWITCH print table stats\n" | |
5deff5aa | 322 | " dump-table-features SWITCH print table features\n" |
064af421 | 323 | " mod-port SWITCH IFACE ACT modify port behavior\n" |
918f2b82 | 324 | " mod-table SWITCH MOD modify flow table behavior\n" |
7257b535 BP |
325 | " get-frags SWITCH print fragment handling behavior\n" |
326 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
abaad8cf | 327 | " dump-ports SWITCH [PORT] print port statistics\n" |
70ae4f93 | 328 | " dump-ports-desc SWITCH [PORT] print port descriptions\n" |
064af421 BP |
329 | " dump-flows SWITCH print all flow entries\n" |
330 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
331 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
332 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 333 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
334 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
335 | " add-flows SWITCH FILE add flows from FILE\n" | |
336 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
337 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 338 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
1dac118c | 339 | " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n" |
0c3d5fc8 BP |
340 | " packet-out SWITCH IN_PORT ACTIONS PACKET...\n" |
341 | " execute ACTIONS on PACKET\n" | |
2b07c8b1 | 342 | " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n" |
1dac118c BP |
343 | " print packets received from SWITCH\n" |
344 | " snoop SWITCH snoop on SWITCH and its controller\n" | |
7395c052 | 345 | " add-group SWITCH GROUP add group described by GROUP\n" |
bdcca615 | 346 | " add-groups SWITCH FILE add group from FILE\n" |
7395c052 NZ |
347 | " mod-group SWITCH GROUP modify specific group\n" |
348 | " del-groups SWITCH [GROUP] delete matching GROUPs\n" | |
bdbb8426 SH |
349 | " insert-buckets SWITCH [GROUP] add buckets to GROUP\n" |
350 | " remove-buckets SWITCH [GROUP] remove buckets from GROUP\n" | |
7395c052 | 351 | " dump-group-features SWITCH print group features\n" |
19187a71 | 352 | " dump-groups SWITCH [GROUP] print group description\n" |
7395c052 | 353 | " dump-group-stats SWITCH [GROUP] print group statistics\n" |
e8f9a7bb | 354 | " queue-get-config SWITCH PORT print queue information for port\n" |
3200ed58 JR |
355 | " add-meter SWITCH METER add meter described by METER\n" |
356 | " mod-meter SWITCH METER modify specific METER\n" | |
357 | " del-meter SWITCH METER delete METER\n" | |
358 | " del-meters SWITCH delete all meters\n" | |
359 | " dump-meter SWITCH METER print METER configuration\n" | |
360 | " dump-meters SWITCH print all meter configuration\n" | |
361 | " meter-stats SWITCH [METER] print meter statistics\n" | |
362 | " meter-features SWITCH print meter features\n" | |
064af421 | 363 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
364 | " probe TARGET probe whether TARGET is up\n" |
365 | " ping TARGET [N] latency of N-byte echos\n" | |
366 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
1ac0e975 BP |
367 | "SWITCH or TARGET is an active OpenFlow connection method.\n" |
368 | "\nOther commands:\n" | |
f3dd1419 BP |
369 | " ofp-parse FILE print messages read from FILE\n" |
370 | " ofp-parse-pcap PCAP print OpenFlow read from PCAP\n", | |
064af421 BP |
371 | program_name, program_name); |
372 | vconn_usage(true, false, false); | |
1eb85ef5 | 373 | daemon_usage(); |
a53a8efa | 374 | ofp_version_usage(); |
064af421 BP |
375 | vlog_usage(); |
376 | printf("\nOther options:\n" | |
377 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 378 | " --readd replace flows that haven't changed\n" |
88ca35ee | 379 | " -F, --flow-format=FORMAT force particular flow format\n" |
54834960 | 380 | " -P, --packet-in-format=FRMT force particular packet in format\n" |
4f564f8d | 381 | " -m, --more be more verbose printing OpenFlow\n" |
0c9560b7 | 382 | " --timestamp (monitor, snoop) print timestamps\n" |
064af421 | 383 | " -t, --timeout=SECS give up after SECS seconds\n" |
bdcc5925 BP |
384 | " --sort[=field] sort in ascending order\n" |
385 | " --rsort[=field] sort in descending order\n" | |
19945013 | 386 | " --unixctl=SOCKET set control socket name\n" |
064af421 BP |
387 | " -h, --help display this help message\n" |
388 | " -V, --version display version information\n"); | |
389 | exit(EXIT_SUCCESS); | |
390 | } | |
391 | ||
1eb85ef5 EJ |
392 | static void |
393 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
394 | const char *argv[] OVS_UNUSED, void *exiting_) | |
395 | { | |
396 | bool *exiting = exiting_; | |
397 | *exiting = true; | |
bde9f75d | 398 | unixctl_command_reply(conn, NULL); |
1eb85ef5 EJ |
399 | } |
400 | ||
064af421 | 401 | static void run(int retval, const char *message, ...) |
cab50449 | 402 | OVS_PRINTF_FORMAT(2, 3); |
064af421 | 403 | |
473f65a2 BP |
404 | static void |
405 | run(int retval, const char *message, ...) | |
064af421 BP |
406 | { |
407 | if (retval) { | |
408 | va_list args; | |
409 | ||
064af421 | 410 | va_start(args, message); |
fcaddd4d | 411 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
412 | } |
413 | } | |
414 | \f | |
415 | /* Generic commands. */ | |
416 | ||
c3f25389 | 417 | static int |
1a6f1e2a JG |
418 | open_vconn_socket(const char *name, struct vconn **vconnp) |
419 | { | |
420 | char *vconn_name = xasprintf("unix:%s", name); | |
c3f25389 EJ |
421 | int error; |
422 | ||
82c8c53c BP |
423 | error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT, |
424 | vconnp); | |
c3f25389 EJ |
425 | if (error && error != ENOENT) { |
426 | ovs_fatal(0, "%s: failed to open socket (%s)", name, | |
10a89ef0 | 427 | ovs_strerror(error)); |
c3f25389 | 428 | } |
1a6f1e2a | 429 | free(vconn_name); |
c3f25389 EJ |
430 | |
431 | return error; | |
1a6f1e2a JG |
432 | } |
433 | ||
4766ce7a BP |
434 | enum open_target { MGMT, SNOOP }; |
435 | ||
27527aa0 | 436 | static enum ofputil_protocol |
4766ce7a | 437 | open_vconn__(const char *name, enum open_target target, |
0caf6bde | 438 | struct vconn **vconnp) |
064af421 | 439 | { |
4766ce7a | 440 | const char *suffix = target == MGMT ? "mgmt" : "snoop"; |
63d347ce | 441 | char *datapath_name, *datapath_type, *socket_name; |
27527aa0 | 442 | enum ofputil_protocol protocol; |
63d347ce | 443 | char *bridge_path; |
27527aa0 | 444 | int ofp_version; |
c3f25389 | 445 | int error; |
1a6f1e2a | 446 | |
4766ce7a | 447 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix); |
63d347ce BP |
448 | |
449 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
4766ce7a | 450 | socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix); |
63d347ce BP |
451 | free(datapath_name); |
452 | free(datapath_type); | |
064af421 | 453 | |
3a27375e | 454 | if (strchr(name, ':')) { |
539b741f | 455 | run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp), |
a53a8efa | 456 | "connecting to %s", name); |
c3f25389 EJ |
457 | } else if (!open_vconn_socket(name, vconnp)) { |
458 | /* Fall Through. */ | |
459 | } else if (!open_vconn_socket(bridge_path, vconnp)) { | |
460 | /* Fall Through. */ | |
461 | } else if (!open_vconn_socket(socket_name, vconnp)) { | |
462 | /* Fall Through. */ | |
064af421 | 463 | } else { |
2c0e6eb4 | 464 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 465 | } |
1a6f1e2a | 466 | |
4766ce7a BP |
467 | if (target == SNOOP) { |
468 | vconn_set_recv_any_version(*vconnp); | |
469 | } | |
470 | ||
1a6f1e2a | 471 | free(bridge_path); |
63d347ce | 472 | free(socket_name); |
27527aa0 | 473 | |
c3f25389 EJ |
474 | VLOG_DBG("connecting to %s", vconn_get_name(*vconnp)); |
475 | error = vconn_connect_block(*vconnp); | |
476 | if (error) { | |
477 | ovs_fatal(0, "%s: failed to connect to socket (%s)", name, | |
10a89ef0 | 478 | ovs_strerror(error)); |
c3f25389 EJ |
479 | } |
480 | ||
27527aa0 BP |
481 | ofp_version = vconn_get_version(*vconnp); |
482 | protocol = ofputil_protocol_from_ofp_version(ofp_version); | |
483 | if (!protocol) { | |
484 | ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x", | |
485 | name, ofp_version); | |
486 | } | |
487 | return protocol; | |
064af421 BP |
488 | } |
489 | ||
27527aa0 | 490 | static enum ofputil_protocol |
0caf6bde BP |
491 | open_vconn(const char *name, struct vconn **vconnp) |
492 | { | |
4766ce7a | 493 | return open_vconn__(name, MGMT, vconnp); |
0caf6bde BP |
494 | } |
495 | ||
064af421 BP |
496 | static void |
497 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
498 | { | |
982697a4 | 499 | ofpmsg_update_length(buffer); |
064af421 BP |
500 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); |
501 | } | |
502 | ||
503 | static void | |
a53a8efa | 504 | dump_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 505 | { |
064af421 BP |
506 | struct ofpbuf *reply; |
507 | ||
982697a4 | 508 | ofpmsg_update_length(request); |
a53a8efa SH |
509 | run(vconn_transact(vconn, request, &reply), "talking to %s", |
510 | vconn_get_name(vconn)); | |
6fd6ed71 | 511 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
e49190c4 | 512 | ofpbuf_delete(reply); |
064af421 BP |
513 | } |
514 | ||
515 | static void | |
982697a4 | 516 | dump_trivial_transaction(const char *vconn_name, enum ofpraw raw) |
064af421 BP |
517 | { |
518 | struct ofpbuf *request; | |
a53a8efa SH |
519 | struct vconn *vconn; |
520 | ||
521 | open_vconn(vconn_name, &vconn); | |
522 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); | |
523 | dump_transaction(vconn, request); | |
524 | vconn_close(vconn); | |
064af421 BP |
525 | } |
526 | ||
527 | static void | |
53514387 | 528 | dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 529 | { |
6fd6ed71 | 530 | const struct ofp_header *request_oh = request->data; |
982697a4 BP |
531 | ovs_be32 send_xid = request_oh->xid; |
532 | enum ofpraw request_raw; | |
533 | enum ofpraw reply_raw; | |
064af421 BP |
534 | bool done = false; |
535 | ||
6fd6ed71 | 536 | ofpraw_decode_partial(&request_raw, request->data, request->size); |
982697a4 BP |
537 | reply_raw = ofpraw_stats_request_to_reply(request_raw, |
538 | request_oh->version); | |
539 | ||
064af421 BP |
540 | send_openflow_buffer(vconn, request); |
541 | while (!done) { | |
02833365 | 542 | ovs_be32 recv_xid; |
064af421 BP |
543 | struct ofpbuf *reply; |
544 | ||
545 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
6fd6ed71 | 546 | recv_xid = ((struct ofp_header *) reply->data)->xid; |
064af421 | 547 | if (send_xid == recv_xid) { |
982697a4 | 548 | enum ofpraw raw; |
064af421 | 549 | |
6fd6ed71 | 550 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 551 | |
6fd6ed71 | 552 | ofpraw_decode(&raw, reply->data); |
982697a4 | 553 | if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) { |
a76150b1 | 554 | done = true; |
982697a4 | 555 | } else if (raw == reply_raw) { |
6fd6ed71 | 556 | done = !ofpmp_more(reply->data); |
a76150b1 BP |
557 | } else { |
558 | ovs_fatal(0, "received bad reply: %s", | |
6fd6ed71 | 559 | ofp_to_string(reply->data, reply->size, |
a76150b1 BP |
560 | verbosity + 1)); |
561 | } | |
064af421 BP |
562 | } else { |
563 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
564 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
565 | } | |
566 | ofpbuf_delete(reply); | |
567 | } | |
9abfe557 BP |
568 | } |
569 | ||
570 | static void | |
53514387 | 571 | dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw) |
9abfe557 | 572 | { |
53514387 | 573 | struct ofpbuf *request; |
9abfe557 BP |
574 | struct vconn *vconn; |
575 | ||
576 | open_vconn(vconn_name, &vconn); | |
53514387 SH |
577 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); |
578 | dump_stats_transaction(vconn, request); | |
064af421 BP |
579 | vconn_close(vconn); |
580 | } | |
581 | ||
a8eebd48 BP |
582 | /* Sends all of the 'requests', which should be requests that only have replies |
583 | * if an error occurs, and waits for them to succeed or fail. If an error does | |
584 | * occur, prints it and exits with an error. | |
7257b535 BP |
585 | * |
586 | * Destroys all of the 'requests'. */ | |
d12513f7 | 587 | static void |
ca6ba700 | 588 | transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests) |
d12513f7 | 589 | { |
88ca35ee | 590 | struct ofpbuf *request, *reply; |
d12513f7 | 591 | |
88ca35ee | 592 | LIST_FOR_EACH (request, list_node, requests) { |
982697a4 | 593 | ofpmsg_update_length(request); |
88ca35ee BP |
594 | } |
595 | ||
596 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
597 | "talking to %s", vconn_get_name(vconn)); |
598 | if (reply) { | |
6fd6ed71 | 599 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
600 | exit(1); |
601 | } | |
602 | ofpbuf_delete(reply); | |
603 | } | |
604 | ||
88ca35ee BP |
605 | /* Sends 'request', which should be a request that only has a reply if an error |
606 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
607 | * it and exits with an error. |
608 | * | |
609 | * Destroys 'request'. */ | |
88ca35ee BP |
610 | static void |
611 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
612 | { | |
ca6ba700 | 613 | struct ovs_list requests; |
88ca35ee BP |
614 | |
615 | list_init(&requests); | |
616 | list_push_back(&requests, &request->list_node); | |
617 | transact_multiple_noreply(vconn, &requests); | |
618 | } | |
619 | ||
7257b535 BP |
620 | static void |
621 | fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_) | |
622 | { | |
623 | struct ofp_switch_config *config; | |
7257b535 BP |
624 | struct ofpbuf *request; |
625 | struct ofpbuf *reply; | |
982697a4 | 626 | enum ofptype type; |
7257b535 | 627 | |
a53a8efa SH |
628 | request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST, |
629 | vconn_get_version(vconn), 0); | |
7257b535 BP |
630 | run(vconn_transact(vconn, request, &reply), |
631 | "talking to %s", vconn_get_name(vconn)); | |
632 | ||
982697a4 | 633 | if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) { |
7257b535 BP |
634 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); |
635 | } | |
636 | ||
982697a4 | 637 | config = ofpbuf_pull(reply, sizeof *config); |
7257b535 | 638 | *config_ = *config; |
828c72d0 BP |
639 | |
640 | ofpbuf_delete(reply); | |
7257b535 BP |
641 | } |
642 | ||
643 | static void | |
982697a4 | 644 | set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config) |
7257b535 | 645 | { |
7257b535 BP |
646 | struct ofpbuf *request; |
647 | ||
a53a8efa | 648 | request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0); |
982697a4 | 649 | ofpbuf_put(request, config, sizeof *config); |
7257b535 BP |
650 | |
651 | transact_noreply(vconn, request); | |
652 | } | |
653 | ||
064af421 | 654 | static void |
1636c761 | 655 | ofctl_show(struct ovs_cmdl_context *ctx) |
064af421 | 656 | { |
1636c761 | 657 | const char *vconn_name = ctx->argv[1]; |
fca6d553 | 658 | enum ofp_version version; |
ae0e7009 JP |
659 | struct vconn *vconn; |
660 | struct ofpbuf *request; | |
661 | struct ofpbuf *reply; | |
fca6d553 | 662 | bool has_ports; |
ae0e7009 | 663 | |
ae0e7009 | 664 | open_vconn(vconn_name, &vconn); |
fca6d553 BP |
665 | version = vconn_get_version(vconn); |
666 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0); | |
ae0e7009 JP |
667 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); |
668 | ||
fca6d553 | 669 | has_ports = ofputil_switch_features_has_ports(reply); |
6fd6ed71 | 670 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
ae0e7009 | 671 | ofpbuf_delete(reply); |
ae0e7009 | 672 | |
fca6d553 | 673 | if (!has_ports) { |
70ae4f93 | 674 | request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY); |
fca6d553 | 675 | dump_stats_transaction(vconn, request); |
ae0e7009 | 676 | } |
982697a4 | 677 | dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST); |
a53a8efa | 678 | vconn_close(vconn); |
064af421 BP |
679 | } |
680 | ||
064af421 | 681 | static void |
1636c761 | 682 | ofctl_dump_desc(struct ovs_cmdl_context *ctx) |
064af421 | 683 | { |
1636c761 | 684 | dump_trivial_stats_transaction(ctx->argv[1], OFPRAW_OFPST_DESC_REQUEST); |
064af421 BP |
685 | } |
686 | ||
687 | static void | |
1636c761 | 688 | ofctl_dump_tables(struct ovs_cmdl_context *ctx) |
064af421 | 689 | { |
1636c761 | 690 | dump_trivial_stats_transaction(ctx->argv[1], OFPRAW_OFPST_TABLE_REQUEST); |
064af421 BP |
691 | } |
692 | ||
5deff5aa | 693 | static void |
1636c761 | 694 | ofctl_dump_table_features(struct ovs_cmdl_context *ctx) |
5deff5aa AW |
695 | { |
696 | struct ofpbuf *request; | |
697 | struct vconn *vconn; | |
698 | ||
1636c761 | 699 | open_vconn(ctx->argv[1], &vconn); |
5deff5aa AW |
700 | request = ofputil_encode_table_features_request(vconn_get_version(vconn)); |
701 | if (request) { | |
702 | dump_stats_transaction(vconn, request); | |
703 | } | |
704 | ||
705 | vconn_close(vconn); | |
706 | } | |
707 | ||
fca6d553 BP |
708 | static bool fetch_port_by_stats(struct vconn *, |
709 | const char *port_name, ofp_port_t port_no, | |
710 | struct ofputil_phy_port *); | |
711 | ||
712 | /* Uses OFPT_FEATURES_REQUEST to attempt to fetch information about the port | |
713 | * named 'port_name' or numbered 'port_no' into '*pp'. Returns true if | |
714 | * successful, false on failure. | |
715 | * | |
716 | * This is only appropriate for OpenFlow 1.0, 1.1, and 1.2, which include a | |
717 | * list of ports in OFPT_FEATURES_REPLY. */ | |
da91750f | 718 | static bool |
fca6d553 | 719 | fetch_port_by_features(struct vconn *vconn, |
4e022ec0 | 720 | const char *port_name, ofp_port_t port_no, |
fca6d553 | 721 | struct ofputil_phy_port *pp) |
abaad8cf | 722 | { |
9e1fd49b | 723 | struct ofputil_switch_features features; |
982697a4 | 724 | const struct ofp_header *oh; |
abaad8cf | 725 | struct ofpbuf *request, *reply; |
9e1fd49b | 726 | enum ofperr error; |
982697a4 | 727 | enum ofptype type; |
9e1fd49b | 728 | struct ofpbuf b; |
da91750f | 729 | bool found = false; |
abaad8cf | 730 | |
0df0e81d | 731 | /* Fetch the switch's ofp_switch_features. */ |
a53a8efa SH |
732 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, |
733 | vconn_get_version(vconn), 0); | |
fca6d553 BP |
734 | run(vconn_transact(vconn, request, &reply), |
735 | "talking to %s", vconn_get_name(vconn)); | |
abaad8cf | 736 | |
6fd6ed71 PS |
737 | oh = reply->data; |
738 | if (ofptype_decode(&type, reply->data) | |
982697a4 | 739 | || type != OFPTYPE_FEATURES_REPLY) { |
fca6d553 | 740 | ovs_fatal(0, "%s: received bad features reply", vconn_get_name(vconn)); |
0df0e81d | 741 | } |
fca6d553 BP |
742 | if (!ofputil_switch_features_has_ports(reply)) { |
743 | /* The switch features reply does not contain a complete list of ports. | |
744 | * Probably, there are more ports than will fit into a single 64 kB | |
745 | * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of | |
746 | * ports. */ | |
747 | ofpbuf_delete(reply); | |
748 | return fetch_port_by_stats(vconn, port_name, port_no, pp); | |
da91750f JP |
749 | } |
750 | ||
982697a4 | 751 | error = ofputil_decode_switch_features(oh, &features, &b); |
9e1fd49b BP |
752 | if (error) { |
753 | ovs_fatal(0, "%s: failed to decode features reply (%s)", | |
fca6d553 | 754 | vconn_get_name(vconn), ofperr_to_string(error)); |
9e1fd49b | 755 | } |
0df0e81d | 756 | |
982697a4 | 757 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 | 758 | if (port_no != OFPP_NONE |
9e1fd49b BP |
759 | ? port_no == pp->port_no |
760 | : !strcmp(pp->name, port_name)) { | |
da91750f | 761 | found = true; |
fca6d553 | 762 | break; |
abaad8cf JP |
763 | } |
764 | } | |
da91750f JP |
765 | ofpbuf_delete(reply); |
766 | return found; | |
767 | } | |
768 | ||
fca6d553 BP |
769 | /* Uses a OFPST_PORT_DESC request to attempt to fetch information about the |
770 | * port named 'port_name' or numbered 'port_no' into '*pp'. Returns true if | |
771 | * successful, false on failure. | |
772 | * | |
773 | * This is most appropriate for OpenFlow 1.3 and later. Open vSwitch 1.7 and | |
774 | * later also implements OFPST_PORT_DESC, as an extension, for OpenFlow 1.0, | |
775 | * 1.1, and 1.2, so this can be used as a fallback in those versions when there | |
776 | * are too many ports than fit in an OFPT_FEATURES_REPLY. */ | |
da91750f | 777 | static bool |
fca6d553 | 778 | fetch_port_by_stats(struct vconn *vconn, |
4e022ec0 | 779 | const char *port_name, ofp_port_t port_no, |
da91750f JP |
780 | struct ofputil_phy_port *pp) |
781 | { | |
782 | struct ofpbuf *request; | |
da91750f | 783 | ovs_be32 send_xid; |
da91750f JP |
784 | bool done = false; |
785 | bool found = false; | |
786 | ||
70ae4f93 BP |
787 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), |
788 | port_no); | |
6fd6ed71 | 789 | send_xid = ((struct ofp_header *) request->data)->xid; |
da91750f | 790 | |
da91750f JP |
791 | send_openflow_buffer(vconn, request); |
792 | while (!done) { | |
793 | ovs_be32 recv_xid; | |
794 | struct ofpbuf *reply; | |
795 | ||
796 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
6fd6ed71 | 797 | recv_xid = ((struct ofp_header *) reply->data)->xid; |
da91750f | 798 | if (send_xid == recv_xid) { |
6fd6ed71 | 799 | struct ofp_header *oh = reply->data; |
982697a4 BP |
800 | enum ofptype type; |
801 | struct ofpbuf b; | |
802 | uint16_t flags; | |
803 | ||
804 | ofpbuf_use_const(&b, oh, ntohs(oh->length)); | |
805 | if (ofptype_pull(&type, &b) | |
806 | || type != OFPTYPE_PORT_DESC_STATS_REPLY) { | |
da91750f | 807 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 808 | ofp_to_string(reply->data, reply->size, |
da91750f JP |
809 | verbosity + 1)); |
810 | } | |
811 | ||
982697a4 BP |
812 | flags = ofpmp_flags(oh); |
813 | done = !(flags & OFPSF_REPLY_MORE); | |
da91750f JP |
814 | |
815 | if (found) { | |
816 | /* We've already found the port, but we need to drain | |
817 | * the queue of any other replies for this request. */ | |
818 | continue; | |
819 | } | |
820 | ||
982697a4 | 821 | while (!ofputil_pull_phy_port(oh->version, &b, pp)) { |
4e022ec0 AW |
822 | if (port_no != OFPP_NONE ? port_no == pp->port_no |
823 | : !strcmp(pp->name, port_name)) { | |
da91750f JP |
824 | found = true; |
825 | break; | |
826 | } | |
827 | } | |
828 | } else { | |
829 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
830 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
831 | } | |
832 | ofpbuf_delete(reply); | |
833 | } | |
da91750f JP |
834 | |
835 | return found; | |
836 | } | |
837 | ||
4e022ec0 AW |
838 | static bool |
839 | str_to_ofp(const char *s, ofp_port_t *ofp_port) | |
840 | { | |
841 | bool ret; | |
842 | uint32_t port_; | |
843 | ||
844 | ret = str_to_uint(s, 10, &port_); | |
845 | *ofp_port = u16_to_ofp(port_); | |
846 | return ret; | |
847 | } | |
da91750f JP |
848 | |
849 | /* Opens a connection to 'vconn_name', fetches the port structure for | |
850 | * 'port_name' (which may be a port name or number), and copies it into | |
851 | * '*pp'. */ | |
852 | static void | |
853 | fetch_ofputil_phy_port(const char *vconn_name, const char *port_name, | |
854 | struct ofputil_phy_port *pp) | |
855 | { | |
fca6d553 | 856 | struct vconn *vconn; |
4e022ec0 | 857 | ofp_port_t port_no; |
da91750f | 858 | bool found; |
da91750f JP |
859 | |
860 | /* Try to interpret the argument as a port number. */ | |
4e022ec0 AW |
861 | if (!str_to_ofp(port_name, &port_no)) { |
862 | port_no = OFPP_NONE; | |
da91750f JP |
863 | } |
864 | ||
fca6d553 BP |
865 | /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the |
866 | * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it | |
867 | * into the OFPST_PORT_DESC reply. Try it the correct way. */ | |
868 | open_vconn(vconn_name, &vconn); | |
869 | found = (vconn_get_version(vconn) < OFP13_VERSION | |
870 | ? fetch_port_by_features(vconn, port_name, port_no, pp) | |
871 | : fetch_port_by_stats(vconn, port_name, port_no, pp)); | |
872 | vconn_close(vconn); | |
da91750f JP |
873 | |
874 | if (!found) { | |
875 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); | |
876 | } | |
0df0e81d | 877 | } |
abaad8cf | 878 | |
0df0e81d BP |
879 | /* Returns the port number corresponding to 'port_name' (which may be a port |
880 | * name or number) within the switch 'vconn_name'. */ | |
4e022ec0 | 881 | static ofp_port_t |
0df0e81d BP |
882 | str_to_port_no(const char *vconn_name, const char *port_name) |
883 | { | |
4e022ec0 | 884 | ofp_port_t port_no; |
8010100b BP |
885 | |
886 | if (ofputil_port_from_string(port_name, &port_no)) { | |
0df0e81d BP |
887 | return port_no; |
888 | } else { | |
9e1fd49b | 889 | struct ofputil_phy_port pp; |
abaad8cf | 890 | |
9e1fd49b BP |
891 | fetch_ofputil_phy_port(vconn_name, port_name, &pp); |
892 | return pp.port_no; | |
0df0e81d | 893 | } |
abaad8cf JP |
894 | } |
895 | ||
88ca35ee | 896 | static bool |
27527aa0 BP |
897 | try_set_protocol(struct vconn *vconn, enum ofputil_protocol want, |
898 | enum ofputil_protocol *cur) | |
88ca35ee | 899 | { |
27527aa0 BP |
900 | for (;;) { |
901 | struct ofpbuf *request, *reply; | |
902 | enum ofputil_protocol next; | |
88ca35ee | 903 | |
27527aa0 BP |
904 | request = ofputil_encode_set_protocol(*cur, want, &next); |
905 | if (!request) { | |
e43928f2 | 906 | return *cur == want; |
27527aa0 BP |
907 | } |
908 | ||
909 | run(vconn_transact_noreply(vconn, request, &reply), | |
910 | "talking to %s", vconn_get_name(vconn)); | |
911 | if (reply) { | |
6fd6ed71 | 912 | char *s = ofp_to_string(reply->data, reply->size, 2); |
27527aa0 BP |
913 | VLOG_DBG("%s: failed to set protocol, switch replied: %s", |
914 | vconn_get_name(vconn), s); | |
915 | free(s); | |
916 | ofpbuf_delete(reply); | |
917 | return false; | |
918 | } | |
919 | ||
920 | *cur = next; | |
88ca35ee | 921 | } |
88ca35ee BP |
922 | } |
923 | ||
27527aa0 BP |
924 | static enum ofputil_protocol |
925 | set_protocol_for_flow_dump(struct vconn *vconn, | |
926 | enum ofputil_protocol cur_protocol, | |
927 | enum ofputil_protocol usable_protocols) | |
064af421 | 928 | { |
27527aa0 BP |
929 | char *usable_s; |
930 | int i; | |
064af421 | 931 | |
27527aa0 BP |
932 | for (i = 0; i < ofputil_n_flow_dump_protocols; i++) { |
933 | enum ofputil_protocol f = ofputil_flow_dump_protocols[i]; | |
934 | if (f & usable_protocols & allowed_protocols | |
935 | && try_set_protocol(vconn, f, &cur_protocol)) { | |
936 | return f; | |
f9cbfbe4 | 937 | } |
27527aa0 | 938 | } |
f9cbfbe4 | 939 | |
27527aa0 BP |
940 | usable_s = ofputil_protocols_to_string(usable_protocols); |
941 | if (usable_protocols & allowed_protocols) { | |
942 | ovs_fatal(0, "switch does not support any of the usable flow " | |
943 | "formats (%s)", usable_s); | |
f9cbfbe4 | 944 | } else { |
27527aa0 BP |
945 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); |
946 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
947 | "allowed flow formats (%s)", usable_s, allowed_s); | |
88ca35ee | 948 | } |
064af421 BP |
949 | } |
950 | ||
bdcc5925 BP |
951 | static struct vconn * |
952 | prepare_dump_flows(int argc, char *argv[], bool aggregate, | |
953 | struct ofpbuf **requestp) | |
064af421 | 954 | { |
27527aa0 | 955 | enum ofputil_protocol usable_protocols, protocol; |
81d1ea94 | 956 | struct ofputil_flow_stats_request fsr; |
88ca35ee | 957 | struct vconn *vconn; |
bdda5aca BP |
958 | char *error; |
959 | ||
960 | error = parse_ofp_flow_stats_request_str(&fsr, aggregate, | |
db0b6c29 | 961 | argc > 2 ? argv[2] : "", |
ba2fe8e9 | 962 | &usable_protocols); |
bdda5aca BP |
963 | if (error) { |
964 | ovs_fatal(0, "%s", error); | |
965 | } | |
064af421 | 966 | |
27527aa0 BP |
967 | protocol = open_vconn(argv[1], &vconn); |
968 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
bdcc5925 BP |
969 | *requestp = ofputil_encode_flow_stats_request(&fsr, protocol); |
970 | return vconn; | |
971 | } | |
972 | ||
973 | static void | |
974 | ofctl_dump_flows__(int argc, char *argv[], bool aggregate) | |
975 | { | |
976 | struct ofpbuf *request; | |
977 | struct vconn *vconn; | |
978 | ||
979 | vconn = prepare_dump_flows(argc, argv, aggregate, &request); | |
53514387 | 980 | dump_stats_transaction(vconn, request); |
88ca35ee BP |
981 | vconn_close(vconn); |
982 | } | |
983 | ||
bdcc5925 BP |
984 | static int |
985 | compare_flows(const void *afs_, const void *bfs_) | |
986 | { | |
987 | const struct ofputil_flow_stats *afs = afs_; | |
988 | const struct ofputil_flow_stats *bfs = bfs_; | |
81a76618 BP |
989 | const struct match *a = &afs->match; |
990 | const struct match *b = &bfs->match; | |
bdcc5925 BP |
991 | const struct sort_criterion *sc; |
992 | ||
993 | for (sc = criteria; sc < &criteria[n_criteria]; sc++) { | |
994 | const struct mf_field *f = sc->field; | |
995 | int ret; | |
996 | ||
997 | if (!f) { | |
eb391b76 BP |
998 | int a_pri = afs->priority; |
999 | int b_pri = bfs->priority; | |
81a76618 | 1000 | ret = a_pri < b_pri ? -1 : a_pri > b_pri; |
bdcc5925 BP |
1001 | } else { |
1002 | bool ina, inb; | |
1003 | ||
1004 | ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc); | |
1005 | inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc); | |
1006 | if (ina != inb) { | |
1007 | /* Skip the test for sc->order, so that missing fields always | |
1008 | * sort to the end whether we're sorting in ascending or | |
1009 | * descending order. */ | |
1010 | return ina ? -1 : 1; | |
1011 | } else { | |
1012 | union mf_value aval, bval; | |
1013 | ||
1014 | mf_get_value(f, &a->flow, &aval); | |
1015 | mf_get_value(f, &b->flow, &bval); | |
1016 | ret = memcmp(&aval, &bval, f->n_bytes); | |
1017 | } | |
1018 | } | |
1019 | ||
1020 | if (ret) { | |
1021 | return sc->order == SORT_ASC ? ret : -ret; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
88ca35ee | 1028 | static void |
1636c761 | 1029 | ofctl_dump_flows(struct ovs_cmdl_context *ctx) |
88ca35ee | 1030 | { |
bdcc5925 | 1031 | if (!n_criteria) { |
1636c761 | 1032 | ofctl_dump_flows__(ctx->argc, ctx->argv, false); |
2f4aba0b | 1033 | return; |
bdcc5925 BP |
1034 | } else { |
1035 | struct ofputil_flow_stats *fses; | |
1036 | size_t n_fses, allocated_fses; | |
1037 | struct ofpbuf *request; | |
1038 | struct ofpbuf ofpacts; | |
1039 | struct ofpbuf *reply; | |
1040 | struct vconn *vconn; | |
1041 | ovs_be32 send_xid; | |
1042 | struct ds s; | |
1043 | size_t i; | |
1044 | ||
1636c761 | 1045 | vconn = prepare_dump_flows(ctx->argc, ctx->argv, false, &request); |
6fd6ed71 | 1046 | send_xid = ((struct ofp_header *) request->data)->xid; |
bdcc5925 BP |
1047 | send_openflow_buffer(vconn, request); |
1048 | ||
1049 | fses = NULL; | |
1050 | n_fses = allocated_fses = 0; | |
1051 | reply = NULL; | |
1052 | ofpbuf_init(&ofpacts, 0); | |
1053 | for (;;) { | |
1054 | struct ofputil_flow_stats *fs; | |
1055 | ||
1056 | if (n_fses >= allocated_fses) { | |
1057 | fses = x2nrealloc(fses, &allocated_fses, sizeof *fses); | |
1058 | } | |
1059 | ||
1060 | fs = &fses[n_fses]; | |
1061 | if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs, | |
1062 | &ofpacts)) { | |
1063 | break; | |
1064 | } | |
1065 | fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len); | |
1066 | n_fses++; | |
1067 | } | |
1068 | ofpbuf_uninit(&ofpacts); | |
1069 | ||
1070 | qsort(fses, n_fses, sizeof *fses, compare_flows); | |
1071 | ||
1072 | ds_init(&s); | |
1073 | for (i = 0; i < n_fses; i++) { | |
1074 | ds_clear(&s); | |
1075 | ofp_print_flow_stats(&s, &fses[i]); | |
1076 | puts(ds_cstr(&s)); | |
1077 | } | |
1078 | ds_destroy(&s); | |
1079 | ||
1080 | for (i = 0; i < n_fses; i++) { | |
dc723c44 | 1081 | free(CONST_CAST(struct ofpact *, fses[i].ofpacts)); |
bdcc5925 BP |
1082 | } |
1083 | free(fses); | |
1084 | ||
1085 | vconn_close(vconn); | |
1086 | } | |
88ca35ee BP |
1087 | } |
1088 | ||
1089 | static void | |
1636c761 | 1090 | ofctl_dump_aggregate(struct ovs_cmdl_context *ctx) |
88ca35ee | 1091 | { |
1636c761 | 1092 | ofctl_dump_flows__(ctx->argc, ctx->argv, true); |
064af421 BP |
1093 | } |
1094 | ||
d2805da2 | 1095 | static void |
1636c761 | 1096 | ofctl_queue_stats(struct ovs_cmdl_context *ctx) |
d2805da2 | 1097 | { |
d2805da2 | 1098 | struct ofpbuf *request; |
53514387 | 1099 | struct vconn *vconn; |
64626975 | 1100 | struct ofputil_queue_stats_request oqs; |
d2805da2 | 1101 | |
1636c761 | 1102 | open_vconn(ctx->argv[1], &vconn); |
d2805da2 | 1103 | |
1636c761 RB |
1104 | if (ctx->argc > 2 && ctx->argv[2][0] && strcasecmp(ctx->argv[2], "all")) { |
1105 | oqs.port_no = str_to_port_no(ctx->argv[1], ctx->argv[2]); | |
d2805da2 | 1106 | } else { |
7f05e7ab | 1107 | oqs.port_no = OFPP_ANY; |
d2805da2 | 1108 | } |
1636c761 RB |
1109 | if (ctx->argc > 3 && ctx->argv[3][0] && strcasecmp(ctx->argv[3], "all")) { |
1110 | oqs.queue_id = atoi(ctx->argv[3]); | |
d2805da2 | 1111 | } else { |
64626975 | 1112 | oqs.queue_id = OFPQ_ALL; |
d2805da2 BP |
1113 | } |
1114 | ||
64626975 | 1115 | request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs); |
53514387 SH |
1116 | dump_stats_transaction(vconn, request); |
1117 | vconn_close(vconn); | |
d2805da2 BP |
1118 | } |
1119 | ||
e8f9a7bb | 1120 | static void |
1636c761 | 1121 | ofctl_queue_get_config(struct ovs_cmdl_context *ctx) |
e8f9a7bb | 1122 | { |
1636c761 RB |
1123 | const char *vconn_name = ctx->argv[1]; |
1124 | const char *port_name = ctx->argv[2]; | |
e8f9a7bb VG |
1125 | enum ofputil_protocol protocol; |
1126 | enum ofp_version version; | |
1127 | struct ofpbuf *request; | |
1128 | struct vconn *vconn; | |
1129 | ofp_port_t port; | |
1130 | ||
1131 | port = str_to_port_no(vconn_name, port_name); | |
1132 | ||
1133 | protocol = open_vconn(vconn_name, &vconn); | |
1134 | version = ofputil_protocol_to_ofp_version(protocol); | |
1135 | request = ofputil_encode_queue_get_config_request(version, port); | |
1136 | dump_transaction(vconn, request); | |
1137 | vconn_close(vconn); | |
1138 | } | |
1139 | ||
27527aa0 | 1140 | static enum ofputil_protocol |
db0b6c29 JR |
1141 | open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp, |
1142 | enum ofputil_protocol usable_protocols) | |
0fbc9f11 | 1143 | { |
27527aa0 BP |
1144 | enum ofputil_protocol cur_protocol; |
1145 | char *usable_s; | |
1146 | int i; | |
0fbc9f11 | 1147 | |
27527aa0 BP |
1148 | if (!(usable_protocols & allowed_protocols)) { |
1149 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); | |
1150 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1151 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1152 | "allowed flow formats (%s)", usable_s, allowed_s); | |
0fbc9f11 | 1153 | } |
0fbc9f11 | 1154 | |
27527aa0 BP |
1155 | /* If the initial flow format is allowed and usable, keep it. */ |
1156 | cur_protocol = open_vconn(remote, vconnp); | |
1157 | if (usable_protocols & allowed_protocols & cur_protocol) { | |
1158 | return cur_protocol; | |
1159 | } | |
1160 | ||
1161 | /* Otherwise try each flow format in turn. */ | |
1162 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1163 | enum ofputil_protocol f = 1 << i; | |
1164 | ||
1165 | if (f != cur_protocol | |
1166 | && f & usable_protocols & allowed_protocols | |
1167 | && try_set_protocol(*vconnp, f, &cur_protocol)) { | |
1168 | return f; | |
1169 | } | |
0fbc9f11 | 1170 | } |
27527aa0 BP |
1171 | |
1172 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1173 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1174 | "formats (%s)", usable_s); | |
0fbc9f11 BP |
1175 | } |
1176 | ||
064af421 | 1177 | static void |
e1fef0f9 | 1178 | ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, |
db0b6c29 | 1179 | size_t n_fms, enum ofputil_protocol usable_protocols) |
064af421 | 1180 | { |
27527aa0 | 1181 | enum ofputil_protocol protocol; |
064af421 | 1182 | struct vconn *vconn; |
27527aa0 | 1183 | size_t i; |
4989c59f | 1184 | |
db0b6c29 | 1185 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
049c8dc2 | 1186 | |
27527aa0 BP |
1187 | for (i = 0; i < n_fms; i++) { |
1188 | struct ofputil_flow_mod *fm = &fms[i]; | |
0fbc9f11 | 1189 | |
27527aa0 | 1190 | transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol)); |
dc723c44 | 1191 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
4989c59f | 1192 | } |
064af421 | 1193 | vconn_close(vconn); |
88ca35ee BP |
1194 | } |
1195 | ||
064af421 | 1196 | static void |
e1fef0f9 | 1197 | ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) |
064af421 | 1198 | { |
db0b6c29 | 1199 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
1200 | struct ofputil_flow_mod *fms = NULL; |
1201 | size_t n_fms = 0; | |
bdda5aca | 1202 | char *error; |
064af421 | 1203 | |
db0b6c29 | 1204 | error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms, |
ba2fe8e9 | 1205 | &usable_protocols); |
bdda5aca BP |
1206 | if (error) { |
1207 | ovs_fatal(0, "%s", error); | |
1208 | } | |
db0b6c29 | 1209 | ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols); |
27527aa0 BP |
1210 | free(fms); |
1211 | } | |
1212 | ||
1213 | static void | |
e1fef0f9 | 1214 | ofctl_flow_mod(int argc, char *argv[], uint16_t command) |
27527aa0 | 1215 | { |
4989c59f | 1216 | if (argc > 2 && !strcmp(argv[2], "-")) { |
e1fef0f9 | 1217 | ofctl_flow_mod_file(argc, argv, command); |
27527aa0 BP |
1218 | } else { |
1219 | struct ofputil_flow_mod fm; | |
bdda5aca | 1220 | char *error; |
3200ed58 | 1221 | enum ofputil_protocol usable_protocols; |
bdda5aca | 1222 | |
db0b6c29 | 1223 | error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, |
ba2fe8e9 | 1224 | &usable_protocols); |
bdda5aca BP |
1225 | if (error) { |
1226 | ovs_fatal(0, "%s", error); | |
1227 | } | |
db0b6c29 | 1228 | ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols); |
064af421 | 1229 | } |
4989c59f | 1230 | } |
88ca35ee | 1231 | |
4989c59f | 1232 | static void |
1636c761 | 1233 | ofctl_add_flow(struct ovs_cmdl_context *ctx) |
4989c59f | 1234 | { |
1636c761 | 1235 | ofctl_flow_mod(ctx->argc, ctx->argv, OFPFC_ADD); |
4989c59f BP |
1236 | } |
1237 | ||
1238 | static void | |
1636c761 | 1239 | ofctl_add_flows(struct ovs_cmdl_context *ctx) |
4989c59f | 1240 | { |
1636c761 | 1241 | ofctl_flow_mod_file(ctx->argc, ctx->argv, OFPFC_ADD); |
064af421 BP |
1242 | } |
1243 | ||
1244 | static void | |
1636c761 | 1245 | ofctl_mod_flows(struct ovs_cmdl_context *ctx) |
064af421 | 1246 | { |
1636c761 | 1247 | ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
1248 | } |
1249 | ||
88ca35ee | 1250 | static void |
1636c761 | 1251 | ofctl_del_flows(struct ovs_cmdl_context *ctx) |
064af421 | 1252 | { |
1636c761 | 1253 | ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
1254 | } |
1255 | ||
54834960 EJ |
1256 | static void |
1257 | set_packet_in_format(struct vconn *vconn, | |
1258 | enum nx_packet_in_format packet_in_format) | |
1259 | { | |
3f4a1939 SH |
1260 | struct ofpbuf *spif; |
1261 | ||
1262 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1263 | packet_in_format); | |
54834960 EJ |
1264 | transact_noreply(vconn, spif); |
1265 | VLOG_DBG("%s: using user-specified packet in format %s", | |
1266 | vconn_get_name(vconn), | |
1267 | ofputil_packet_in_format_to_string(packet_in_format)); | |
1268 | } | |
1269 | ||
f0fd1a17 PS |
1270 | static int |
1271 | monitor_set_invalid_ttl_to_controller(struct vconn *vconn) | |
1272 | { | |
1273 | struct ofp_switch_config config; | |
1274 | enum ofp_config_flags flags; | |
1275 | ||
1276 | fetch_switch_config(vconn, &config); | |
1277 | flags = ntohs(config.flags); | |
1278 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1279 | /* Set the invalid ttl config. */ | |
1280 | flags |= OFPC_INVALID_TTL_TO_CONTROLLER; | |
1281 | ||
1282 | config.flags = htons(flags); | |
1283 | set_switch_config(vconn, &config); | |
1284 | ||
1285 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1286 | * doesn't define error reporting for bad modes, so this is all we can | |
1287 | * do. */ | |
1288 | fetch_switch_config(vconn, &config); | |
1289 | flags = ntohs(config.flags); | |
1290 | if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) { | |
1291 | ovs_fatal(0, "setting invalid_ttl_to_controller failed (this " | |
1292 | "switch probably doesn't support mode)"); | |
1293 | return -EOPNOTSUPP; | |
1294 | } | |
1295 | } | |
1296 | return 0; | |
1297 | } | |
1298 | ||
96761f58 BP |
1299 | /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The |
1300 | * caller must free '*msgp'. On success, returns NULL. On failure, returns | |
1301 | * an error message and stores NULL in '*msgp'. */ | |
1302 | static const char * | |
1303 | openflow_from_hex(const char *hex, struct ofpbuf **msgp) | |
1304 | { | |
1305 | struct ofp_header *oh; | |
1306 | struct ofpbuf *msg; | |
1307 | ||
1308 | msg = ofpbuf_new(strlen(hex) / 2); | |
1309 | *msgp = NULL; | |
1310 | ||
1311 | if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') { | |
1312 | ofpbuf_delete(msg); | |
1313 | return "Trailing garbage in hex data"; | |
1314 | } | |
1315 | ||
6fd6ed71 | 1316 | if (msg->size < sizeof(struct ofp_header)) { |
96761f58 BP |
1317 | ofpbuf_delete(msg); |
1318 | return "Message too short for OpenFlow"; | |
1319 | } | |
1320 | ||
6fd6ed71 PS |
1321 | oh = msg->data; |
1322 | if (msg->size != ntohs(oh->length)) { | |
96761f58 BP |
1323 | ofpbuf_delete(msg); |
1324 | return "Message size does not match length in OpenFlow header"; | |
1325 | } | |
1326 | ||
1327 | *msgp = msg; | |
1328 | return NULL; | |
1329 | } | |
1330 | ||
1331 | static void | |
1332 | ofctl_send(struct unixctl_conn *conn, int argc, | |
1333 | const char *argv[], void *vconn_) | |
1334 | { | |
1335 | struct vconn *vconn = vconn_; | |
1336 | struct ds reply; | |
1337 | bool ok; | |
1338 | int i; | |
1339 | ||
1340 | ok = true; | |
1341 | ds_init(&reply); | |
1342 | for (i = 1; i < argc; i++) { | |
1343 | const char *error_msg; | |
1344 | struct ofpbuf *msg; | |
1345 | int error; | |
1346 | ||
1347 | error_msg = openflow_from_hex(argv[i], &msg); | |
1348 | if (error_msg) { | |
1349 | ds_put_format(&reply, "%s\n", error_msg); | |
1350 | ok = false; | |
1351 | continue; | |
1352 | } | |
1353 | ||
1354 | fprintf(stderr, "send: "); | |
6fd6ed71 | 1355 | ofp_print(stderr, msg->data, msg->size, verbosity); |
96761f58 BP |
1356 | |
1357 | error = vconn_send_block(vconn, msg); | |
1358 | if (error) { | |
1359 | ofpbuf_delete(msg); | |
10a89ef0 | 1360 | ds_put_format(&reply, "%s\n", ovs_strerror(error)); |
96761f58 BP |
1361 | ok = false; |
1362 | } else { | |
1363 | ds_put_cstr(&reply, "sent\n"); | |
1364 | } | |
1365 | } | |
bde9f75d EJ |
1366 | |
1367 | if (ok) { | |
1368 | unixctl_command_reply(conn, ds_cstr(&reply)); | |
1369 | } else { | |
1370 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
1371 | } | |
96761f58 BP |
1372 | ds_destroy(&reply); |
1373 | } | |
1374 | ||
bb638b9a BP |
1375 | struct barrier_aux { |
1376 | struct vconn *vconn; /* OpenFlow connection for sending barrier. */ | |
1377 | struct unixctl_conn *conn; /* Connection waiting for barrier response. */ | |
1378 | }; | |
1379 | ||
1380 | static void | |
1381 | ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1382 | const char *argv[] OVS_UNUSED, void *aux_) | |
1383 | { | |
1384 | struct barrier_aux *aux = aux_; | |
1385 | struct ofpbuf *msg; | |
1386 | int error; | |
1387 | ||
1388 | if (aux->conn) { | |
bde9f75d | 1389 | unixctl_command_reply_error(conn, "already waiting for barrier reply"); |
bb638b9a BP |
1390 | return; |
1391 | } | |
1392 | ||
a0ae0b6e | 1393 | msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn)); |
bb638b9a BP |
1394 | error = vconn_send_block(aux->vconn, msg); |
1395 | if (error) { | |
1396 | ofpbuf_delete(msg); | |
10a89ef0 | 1397 | unixctl_command_reply_error(conn, ovs_strerror(error)); |
bb638b9a BP |
1398 | } else { |
1399 | aux->conn = conn; | |
1400 | } | |
1401 | } | |
1402 | ||
1e1d00a5 BP |
1403 | static void |
1404 | ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1405 | const char *argv[], void *aux OVS_UNUSED) | |
1406 | { | |
1407 | int fd; | |
1408 | ||
1409 | fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666); | |
1410 | if (fd < 0) { | |
10a89ef0 | 1411 | unixctl_command_reply_error(conn, ovs_strerror(errno)); |
1e1d00a5 BP |
1412 | return; |
1413 | } | |
1414 | ||
1415 | fflush(stderr); | |
1416 | dup2(fd, STDERR_FILENO); | |
1417 | close(fd); | |
bde9f75d | 1418 | unixctl_command_reply(conn, NULL); |
1e1d00a5 BP |
1419 | } |
1420 | ||
2b07c8b1 BP |
1421 | static void |
1422 | ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1423 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1424 | { |
4f8f2439 | 1425 | bool *blocked = blocked_; |
2b07c8b1 | 1426 | |
4f8f2439 BP |
1427 | if (!*blocked) { |
1428 | *blocked = true; | |
1429 | unixctl_command_reply(conn, NULL); | |
1430 | } else { | |
2b07c8b1 | 1431 | unixctl_command_reply(conn, "already blocking"); |
2b07c8b1 BP |
1432 | } |
1433 | } | |
1434 | ||
1435 | static void | |
1436 | ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1437 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1438 | { |
4f8f2439 | 1439 | bool *blocked = blocked_; |
2b07c8b1 | 1440 | |
4f8f2439 BP |
1441 | if (*blocked) { |
1442 | *blocked = false; | |
2b07c8b1 | 1443 | unixctl_command_reply(conn, NULL); |
4f8f2439 BP |
1444 | } else { |
1445 | unixctl_command_reply(conn, "already unblocked"); | |
2b07c8b1 BP |
1446 | } |
1447 | } | |
1448 | ||
05f453a8 BP |
1449 | /* Prints to stdout all of the messages received on 'vconn'. |
1450 | * | |
1451 | * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request | |
1452 | * received on 'vconn'. */ | |
064af421 | 1453 | static void |
05f453a8 | 1454 | monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests) |
0caf6bde | 1455 | { |
bb638b9a | 1456 | struct barrier_aux barrier_aux = { vconn, NULL }; |
1eb85ef5 EJ |
1457 | struct unixctl_server *server; |
1458 | bool exiting = false; | |
4f8f2439 | 1459 | bool blocked = false; |
7d0c5973 | 1460 | int error; |
1eb85ef5 | 1461 | |
7d0c5973 | 1462 | daemon_save_fd(STDERR_FILENO); |
1eb85ef5 | 1463 | daemonize_start(); |
19945013 | 1464 | error = unixctl_server_create(unixctl_path, &server); |
1eb85ef5 EJ |
1465 | if (error) { |
1466 | ovs_fatal(error, "failed to create unixctl server"); | |
1467 | } | |
1468 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
96761f58 BP |
1469 | unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX, |
1470 | ofctl_send, vconn); | |
bb638b9a BP |
1471 | unixctl_command_register("ofctl/barrier", "", 0, 0, |
1472 | ofctl_barrier, &barrier_aux); | |
1e1d00a5 BP |
1473 | unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1, |
1474 | ofctl_set_output_file, NULL); | |
2b07c8b1 | 1475 | |
4f8f2439 BP |
1476 | unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked); |
1477 | unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock, | |
1478 | &blocked); | |
2b07c8b1 | 1479 | |
1eb85ef5 EJ |
1480 | daemonize_complete(); |
1481 | ||
0caf6bde BP |
1482 | for (;;) { |
1483 | struct ofpbuf *b; | |
1eb85ef5 EJ |
1484 | int retval; |
1485 | ||
1486 | unixctl_server_run(server); | |
982697a4 | 1487 | |
4f8f2439 | 1488 | while (!blocked) { |
982697a4 | 1489 | enum ofptype type; |
bb638b9a | 1490 | |
1eb85ef5 EJ |
1491 | retval = vconn_recv(vconn, &b); |
1492 | if (retval == EAGAIN) { | |
1493 | break; | |
1494 | } | |
1eb85ef5 | 1495 | run(retval, "vconn_recv"); |
31c6fcd7 | 1496 | |
0c9560b7 | 1497 | if (timestamp) { |
2b31d8e7 PI |
1498 | char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ", |
1499 | time_wall_msec(), true); | |
0c9560b7 | 1500 | fputs(s, stderr); |
3e78870d | 1501 | free(s); |
0c9560b7 | 1502 | } |
31c6fcd7 | 1503 | |
6fd6ed71 PS |
1504 | ofptype_decode(&type, b->data); |
1505 | ofp_print(stderr, b->data, b->size, verbosity + 2); | |
eafa7af8 | 1506 | fflush(stderr); |
bb638b9a | 1507 | |
05f453a8 BP |
1508 | switch ((int) type) { |
1509 | case OFPTYPE_BARRIER_REPLY: | |
1510 | if (barrier_aux.conn) { | |
1511 | unixctl_command_reply(barrier_aux.conn, NULL); | |
1512 | barrier_aux.conn = NULL; | |
1513 | } | |
1514 | break; | |
1515 | ||
1516 | case OFPTYPE_ECHO_REQUEST: | |
1517 | if (reply_to_echo_requests) { | |
1518 | struct ofpbuf *reply; | |
1519 | ||
6fd6ed71 | 1520 | reply = make_echo_reply(b->data); |
05f453a8 BP |
1521 | retval = vconn_send_block(vconn, reply); |
1522 | if (retval) { | |
1523 | ovs_fatal(retval, "failed to send echo reply"); | |
1524 | } | |
1525 | } | |
1526 | break; | |
bb638b9a | 1527 | } |
05f453a8 | 1528 | ofpbuf_delete(b); |
1eb85ef5 EJ |
1529 | } |
1530 | ||
1531 | if (exiting) { | |
1532 | break; | |
1533 | } | |
1534 | ||
1535 | vconn_run(vconn); | |
1536 | vconn_run_wait(vconn); | |
4f8f2439 BP |
1537 | if (!blocked) { |
1538 | vconn_recv_wait(vconn); | |
1539 | } | |
1eb85ef5 EJ |
1540 | unixctl_server_wait(server); |
1541 | poll_block(); | |
0caf6bde | 1542 | } |
828c72d0 BP |
1543 | vconn_close(vconn); |
1544 | unixctl_server_destroy(server); | |
0caf6bde BP |
1545 | } |
1546 | ||
1547 | static void | |
1636c761 | 1548 | ofctl_monitor(struct ovs_cmdl_context *ctx) |
064af421 BP |
1549 | { |
1550 | struct vconn *vconn; | |
2b07c8b1 | 1551 | int i; |
db0b6c29 | 1552 | enum ofputil_protocol usable_protocols; |
064af421 | 1553 | |
1636c761 RB |
1554 | open_vconn(ctx->argv[1], &vconn); |
1555 | for (i = 2; i < ctx->argc; i++) { | |
1556 | const char *arg = ctx->argv[i]; | |
064af421 | 1557 | |
2b07c8b1 BP |
1558 | if (isdigit((unsigned char) *arg)) { |
1559 | struct ofp_switch_config config; | |
1560 | ||
1561 | fetch_switch_config(vconn, &config); | |
1562 | config.miss_send_len = htons(atoi(arg)); | |
1563 | set_switch_config(vconn, &config); | |
1564 | } else if (!strcmp(arg, "invalid_ttl")) { | |
f0fd1a17 | 1565 | monitor_set_invalid_ttl_to_controller(vconn); |
2b07c8b1 BP |
1566 | } else if (!strncmp(arg, "watch:", 6)) { |
1567 | struct ofputil_flow_monitor_request fmr; | |
1568 | struct ofpbuf *msg; | |
bdda5aca | 1569 | char *error; |
2b07c8b1 | 1570 | |
db0b6c29 JR |
1571 | error = parse_flow_monitor_request(&fmr, arg + 6, |
1572 | &usable_protocols); | |
bdda5aca BP |
1573 | if (error) { |
1574 | ovs_fatal(0, "%s", error); | |
1575 | } | |
2b07c8b1 BP |
1576 | |
1577 | msg = ofpbuf_new(0); | |
1578 | ofputil_append_flow_monitor_request(&fmr, msg); | |
53514387 | 1579 | dump_stats_transaction(vconn, msg); |
eafa7af8 | 1580 | fflush(stdout); |
2b07c8b1 BP |
1581 | } else { |
1582 | ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg); | |
f0fd1a17 PS |
1583 | } |
1584 | } | |
2b07c8b1 | 1585 | |
ca8526e0 BP |
1586 | if (preferred_packet_in_format >= 0) { |
1587 | set_packet_in_format(vconn, preferred_packet_in_format); | |
1588 | } else { | |
f02b12c4 SH |
1589 | enum ofp_version version = vconn_get_version(vconn); |
1590 | ||
1591 | switch (version) { | |
1592 | case OFP10_VERSION: { | |
1593 | struct ofpbuf *spif, *reply; | |
1594 | ||
1595 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1596 | NXPIF_NXM); | |
1597 | run(vconn_transact_noreply(vconn, spif, &reply), | |
1598 | "talking to %s", vconn_get_name(vconn)); | |
1599 | if (reply) { | |
6fd6ed71 | 1600 | char *s = ofp_to_string(reply->data, reply->size, 2); |
f02b12c4 SH |
1601 | VLOG_DBG("%s: failed to set packet in format to nxm, controller" |
1602 | " replied: %s. Falling back to the switch default.", | |
1603 | vconn_get_name(vconn), s); | |
1604 | free(s); | |
1605 | ofpbuf_delete(reply); | |
1606 | } | |
1607 | break; | |
1608 | } | |
1609 | case OFP11_VERSION: | |
1610 | case OFP12_VERSION: | |
1611 | case OFP13_VERSION: | |
c37c0382 | 1612 | case OFP14_VERSION: |
42dccab5 | 1613 | case OFP15_VERSION: |
f02b12c4 SH |
1614 | break; |
1615 | default: | |
428b2edd | 1616 | OVS_NOT_REACHED(); |
ca8526e0 BP |
1617 | } |
1618 | } | |
1619 | ||
05f453a8 | 1620 | monitor_vconn(vconn, true); |
0caf6bde BP |
1621 | } |
1622 | ||
1623 | static void | |
1636c761 | 1624 | ofctl_snoop(struct ovs_cmdl_context *ctx) |
0caf6bde BP |
1625 | { |
1626 | struct vconn *vconn; | |
1627 | ||
1636c761 | 1628 | open_vconn__(ctx->argv[1], SNOOP, &vconn); |
05f453a8 | 1629 | monitor_vconn(vconn, false); |
064af421 BP |
1630 | } |
1631 | ||
1632 | static void | |
1636c761 | 1633 | ofctl_dump_ports(struct ovs_cmdl_context *ctx) |
064af421 | 1634 | { |
abaad8cf | 1635 | struct ofpbuf *request; |
53514387 | 1636 | struct vconn *vconn; |
4e022ec0 | 1637 | ofp_port_t port; |
abaad8cf | 1638 | |
1636c761 RB |
1639 | open_vconn(ctx->argv[1], &vconn); |
1640 | port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY; | |
f8e4867e | 1641 | request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port); |
53514387 SH |
1642 | dump_stats_transaction(vconn, request); |
1643 | vconn_close(vconn); | |
064af421 BP |
1644 | } |
1645 | ||
2be393ed | 1646 | static void |
1636c761 | 1647 | ofctl_dump_ports_desc(struct ovs_cmdl_context *ctx) |
2be393ed | 1648 | { |
70ae4f93 BP |
1649 | struct ofpbuf *request; |
1650 | struct vconn *vconn; | |
1651 | ofp_port_t port; | |
1652 | ||
1636c761 RB |
1653 | open_vconn(ctx->argv[1], &vconn); |
1654 | port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY; | |
70ae4f93 BP |
1655 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), |
1656 | port); | |
1657 | dump_stats_transaction(vconn, request); | |
1658 | vconn_close(vconn); | |
2be393ed JP |
1659 | } |
1660 | ||
064af421 | 1661 | static void |
1636c761 | 1662 | ofctl_probe(struct ovs_cmdl_context *ctx) |
064af421 BP |
1663 | { |
1664 | struct ofpbuf *request; | |
1665 | struct vconn *vconn; | |
1666 | struct ofpbuf *reply; | |
1667 | ||
1636c761 | 1668 | open_vconn(ctx->argv[1], &vconn); |
1a126c0c | 1669 | request = make_echo_request(vconn_get_version(vconn)); |
1636c761 | 1670 | run(vconn_transact(vconn, request, &reply), "talking to %s", ctx->argv[1]); |
6fd6ed71 | 1671 | if (reply->size != sizeof(struct ofp_header)) { |
064af421 BP |
1672 | ovs_fatal(0, "reply does not match request"); |
1673 | } | |
1674 | ofpbuf_delete(reply); | |
1675 | vconn_close(vconn); | |
1676 | } | |
1677 | ||
0c3d5fc8 | 1678 | static void |
1636c761 | 1679 | ofctl_packet_out(struct ovs_cmdl_context *ctx) |
0c3d5fc8 | 1680 | { |
de0f3156 | 1681 | enum ofputil_protocol protocol; |
0c3d5fc8 | 1682 | struct ofputil_packet_out po; |
f25d0cf3 | 1683 | struct ofpbuf ofpacts; |
0c3d5fc8 | 1684 | struct vconn *vconn; |
bdda5aca | 1685 | char *error; |
0c3d5fc8 | 1686 | int i; |
b420c0cf | 1687 | enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */ |
0c3d5fc8 | 1688 | |
f25d0cf3 | 1689 | ofpbuf_init(&ofpacts, 64); |
1636c761 | 1690 | error = ofpacts_parse_actions(ctx->argv[3], &ofpacts, &usable_protocols); |
bdda5aca BP |
1691 | if (error) { |
1692 | ovs_fatal(0, "%s", error); | |
1693 | } | |
0c3d5fc8 BP |
1694 | |
1695 | po.buffer_id = UINT32_MAX; | |
1636c761 | 1696 | po.in_port = str_to_port_no(ctx->argv[1], ctx->argv[2]); |
6fd6ed71 PS |
1697 | po.ofpacts = ofpacts.data; |
1698 | po.ofpacts_len = ofpacts.size; | |
0c3d5fc8 | 1699 | |
1636c761 RB |
1700 | protocol = open_vconn(ctx->argv[1], &vconn); |
1701 | for (i = 4; i < ctx->argc; i++) { | |
cf62fa4c PS |
1702 | struct dp_packet *packet; |
1703 | struct ofpbuf *opo; | |
0c3d5fc8 BP |
1704 | const char *error_msg; |
1705 | ||
1636c761 | 1706 | error_msg = eth_from_hex(ctx->argv[i], &packet); |
0c3d5fc8 BP |
1707 | if (error_msg) { |
1708 | ovs_fatal(0, "%s", error_msg); | |
1709 | } | |
1710 | ||
cf62fa4c PS |
1711 | po.packet = dp_packet_data(packet); |
1712 | po.packet_len = dp_packet_size(packet); | |
de0f3156 | 1713 | opo = ofputil_encode_packet_out(&po, protocol); |
0c3d5fc8 | 1714 | transact_noreply(vconn, opo); |
cf62fa4c | 1715 | dp_packet_delete(packet); |
0c3d5fc8 BP |
1716 | } |
1717 | vconn_close(vconn); | |
f25d0cf3 | 1718 | ofpbuf_uninit(&ofpacts); |
0c3d5fc8 BP |
1719 | } |
1720 | ||
064af421 | 1721 | static void |
1636c761 | 1722 | ofctl_mod_port(struct ovs_cmdl_context *ctx) |
064af421 | 1723 | { |
28124950 BP |
1724 | struct ofp_config_flag { |
1725 | const char *name; /* The flag's name. */ | |
1726 | enum ofputil_port_config bit; /* Bit to turn on or off. */ | |
1727 | bool on; /* Value to set the bit to. */ | |
1728 | }; | |
1729 | static const struct ofp_config_flag flags[] = { | |
1730 | { "up", OFPUTIL_PC_PORT_DOWN, false }, | |
1731 | { "down", OFPUTIL_PC_PORT_DOWN, true }, | |
1732 | { "stp", OFPUTIL_PC_NO_STP, false }, | |
1733 | { "receive", OFPUTIL_PC_NO_RECV, false }, | |
1734 | { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false }, | |
1735 | { "flood", OFPUTIL_PC_NO_FLOOD, false }, | |
1736 | { "forward", OFPUTIL_PC_NO_FWD, false }, | |
1737 | { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false }, | |
1738 | }; | |
1739 | ||
1740 | const struct ofp_config_flag *flag; | |
9e1fd49b BP |
1741 | enum ofputil_protocol protocol; |
1742 | struct ofputil_port_mod pm; | |
1743 | struct ofputil_phy_port pp; | |
064af421 | 1744 | struct vconn *vconn; |
28124950 BP |
1745 | const char *command; |
1746 | bool not; | |
064af421 | 1747 | |
1636c761 | 1748 | fetch_ofputil_phy_port(ctx->argv[1], ctx->argv[2], &pp); |
064af421 | 1749 | |
9e1fd49b BP |
1750 | pm.port_no = pp.port_no; |
1751 | memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN); | |
1752 | pm.config = 0; | |
1753 | pm.mask = 0; | |
1754 | pm.advertise = 0; | |
064af421 | 1755 | |
1636c761 RB |
1756 | if (!strncasecmp(ctx->argv[3], "no-", 3)) { |
1757 | command = ctx->argv[3] + 3; | |
28124950 | 1758 | not = true; |
1636c761 RB |
1759 | } else if (!strncasecmp(ctx->argv[3], "no", 2)) { |
1760 | command = ctx->argv[3] + 2; | |
28124950 | 1761 | not = true; |
064af421 | 1762 | } else { |
1636c761 | 1763 | command = ctx->argv[3]; |
28124950 BP |
1764 | not = false; |
1765 | } | |
1766 | for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) { | |
1767 | if (!strcasecmp(command, flag->name)) { | |
1768 | pm.mask = flag->bit; | |
1769 | pm.config = flag->on ^ not ? flag->bit : 0; | |
1770 | goto found; | |
1771 | } | |
064af421 | 1772 | } |
1636c761 | 1773 | ovs_fatal(0, "unknown mod-port command '%s'", ctx->argv[3]); |
064af421 | 1774 | |
28124950 | 1775 | found: |
1636c761 | 1776 | protocol = open_vconn(ctx->argv[1], &vconn); |
9e1fd49b | 1777 | transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol)); |
064af421 BP |
1778 | vconn_close(vconn); |
1779 | } | |
1780 | ||
918f2b82 | 1781 | static void |
1636c761 | 1782 | ofctl_mod_table(struct ovs_cmdl_context *ctx) |
918f2b82 AZ |
1783 | { |
1784 | enum ofputil_protocol protocol, usable_protocols; | |
1785 | struct ofputil_table_mod tm; | |
1786 | struct vconn *vconn; | |
1787 | char *error; | |
1788 | int i; | |
1789 | ||
1636c761 | 1790 | error = parse_ofp_table_mod(&tm, ctx->argv[2], ctx->argv[3], &usable_protocols); |
918f2b82 AZ |
1791 | if (error) { |
1792 | ovs_fatal(0, "%s", error); | |
1793 | } | |
1794 | ||
1636c761 | 1795 | protocol = open_vconn(ctx->argv[1], &vconn); |
918f2b82 AZ |
1796 | if (!(protocol & usable_protocols)) { |
1797 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1798 | enum ofputil_protocol f = 1 << i; | |
1799 | if (f != protocol | |
1800 | && f & usable_protocols | |
1801 | && try_set_protocol(vconn, f, &protocol)) { | |
1802 | protocol = f; | |
1803 | break; | |
1804 | } | |
1805 | } | |
1806 | } | |
1807 | ||
1808 | if (!(protocol & usable_protocols)) { | |
1809 | char *usable_s = ofputil_protocols_to_string(usable_protocols); | |
1810 | ovs_fatal(0, "Switch does not support table mod message(%s)", usable_s); | |
1811 | } | |
1812 | ||
1813 | transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol)); | |
1814 | vconn_close(vconn); | |
1815 | } | |
1816 | ||
7257b535 | 1817 | static void |
1636c761 | 1818 | ofctl_get_frags(struct ovs_cmdl_context *ctx) |
7257b535 BP |
1819 | { |
1820 | struct ofp_switch_config config; | |
1821 | struct vconn *vconn; | |
1822 | ||
1636c761 | 1823 | open_vconn(ctx->argv[1], &vconn); |
7257b535 BP |
1824 | fetch_switch_config(vconn, &config); |
1825 | puts(ofputil_frag_handling_to_string(ntohs(config.flags))); | |
1826 | vconn_close(vconn); | |
1827 | } | |
1828 | ||
1829 | static void | |
1636c761 | 1830 | ofctl_set_frags(struct ovs_cmdl_context *ctx) |
7257b535 BP |
1831 | { |
1832 | struct ofp_switch_config config; | |
1833 | enum ofp_config_flags mode; | |
1834 | struct vconn *vconn; | |
1835 | ovs_be16 flags; | |
1836 | ||
1636c761 RB |
1837 | if (!ofputil_frag_handling_from_string(ctx->argv[2], &mode)) { |
1838 | ovs_fatal(0, "%s: unknown fragment handling mode", ctx->argv[2]); | |
7257b535 BP |
1839 | } |
1840 | ||
1636c761 | 1841 | open_vconn(ctx->argv[1], &vconn); |
7257b535 BP |
1842 | fetch_switch_config(vconn, &config); |
1843 | flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK)); | |
1844 | if (flags != config.flags) { | |
1845 | /* Set the configuration. */ | |
1846 | config.flags = flags; | |
1847 | set_switch_config(vconn, &config); | |
1848 | ||
1849 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
1850 | * doesn't define error reporting for bad modes, so this is all we can | |
1851 | * do. */ | |
1852 | fetch_switch_config(vconn, &config); | |
1853 | if (flags != config.flags) { | |
1854 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " | |
1855 | "switch probably doesn't support mode \"%s\")", | |
1636c761 | 1856 | ctx->argv[1], ofputil_frag_handling_to_string(mode)); |
7257b535 BP |
1857 | } |
1858 | } | |
1859 | vconn_close(vconn); | |
1860 | } | |
1861 | ||
1ac0e975 | 1862 | static void |
1636c761 | 1863 | ofctl_ofp_parse(struct ovs_cmdl_context *ctx) |
1ac0e975 | 1864 | { |
1636c761 | 1865 | const char *filename = ctx->argv[1]; |
1ac0e975 BP |
1866 | struct ofpbuf b; |
1867 | FILE *file; | |
1868 | ||
1869 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
1870 | if (file == NULL) { | |
1871 | ovs_fatal(errno, "%s: open", filename); | |
1872 | } | |
1873 | ||
1874 | ofpbuf_init(&b, 65536); | |
1875 | for (;;) { | |
1876 | struct ofp_header *oh; | |
1877 | size_t length, tail_len; | |
1878 | void *tail; | |
1879 | size_t n; | |
1880 | ||
1881 | ofpbuf_clear(&b); | |
1882 | oh = ofpbuf_put_uninit(&b, sizeof *oh); | |
1883 | n = fread(oh, 1, sizeof *oh, file); | |
1884 | if (n == 0) { | |
1885 | break; | |
1886 | } else if (n < sizeof *oh) { | |
1887 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
1888 | } | |
1889 | ||
1890 | length = ntohs(oh->length); | |
1891 | if (length < sizeof *oh) { | |
34582733 | 1892 | ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow", |
1ac0e975 BP |
1893 | filename, length); |
1894 | } | |
1895 | ||
1896 | tail_len = length - sizeof *oh; | |
1897 | tail = ofpbuf_put_uninit(&b, tail_len); | |
1898 | n = fread(tail, 1, tail_len, file); | |
1899 | if (n < tail_len) { | |
1900 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
1901 | } | |
1902 | ||
6fd6ed71 | 1903 | ofp_print(stdout, b.data, b.size, verbosity + 2); |
1ac0e975 BP |
1904 | } |
1905 | ofpbuf_uninit(&b); | |
1906 | ||
1907 | if (file != stdin) { | |
1908 | fclose(file); | |
1909 | } | |
1910 | } | |
1911 | ||
f3dd1419 BP |
1912 | static bool |
1913 | is_openflow_port(ovs_be16 port_, char *ports[]) | |
1914 | { | |
1915 | uint16_t port = ntohs(port_); | |
1916 | if (ports[0]) { | |
1917 | int i; | |
1918 | ||
1919 | for (i = 0; ports[i]; i++) { | |
1920 | if (port == atoi(ports[i])) { | |
1921 | return true; | |
1922 | } | |
1923 | } | |
1924 | return false; | |
1925 | } else { | |
1926 | return port == OFP_PORT || port == OFP_OLD_PORT; | |
1927 | } | |
1928 | } | |
1929 | ||
1930 | static void | |
1636c761 | 1931 | ofctl_ofp_parse_pcap(struct ovs_cmdl_context *ctx) |
f3dd1419 BP |
1932 | { |
1933 | struct tcp_reader *reader; | |
1934 | FILE *file; | |
1935 | int error; | |
1936 | bool first; | |
1937 | ||
1636c761 | 1938 | file = ovs_pcap_open(ctx->argv[1], "rb"); |
f3dd1419 | 1939 | if (!file) { |
1636c761 | 1940 | ovs_fatal(errno, "%s: open failed", ctx->argv[1]); |
f3dd1419 BP |
1941 | } |
1942 | ||
1943 | reader = tcp_reader_open(); | |
1944 | first = true; | |
1945 | for (;;) { | |
cf62fa4c | 1946 | struct dp_packet *packet; |
f3dd1419 BP |
1947 | long long int when; |
1948 | struct flow flow; | |
1949 | ||
50aa0364 | 1950 | error = ovs_pcap_read(file, &packet, &when); |
f3dd1419 BP |
1951 | if (error) { |
1952 | break; | |
1953 | } | |
cf62fa4c PS |
1954 | packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE); |
1955 | flow_extract(packet, &flow); | |
f3dd1419 BP |
1956 | if (flow.dl_type == htons(ETH_TYPE_IP) |
1957 | && flow.nw_proto == IPPROTO_TCP | |
1636c761 RB |
1958 | && (is_openflow_port(flow.tp_src, ctx->argv + 2) || |
1959 | is_openflow_port(flow.tp_dst, ctx->argv + 2))) { | |
cf62fa4c | 1960 | struct dp_packet *payload = tcp_reader_run(reader, &flow, packet); |
f3dd1419 | 1961 | if (payload) { |
cf62fa4c | 1962 | while (dp_packet_size(payload) >= sizeof(struct ofp_header)) { |
f3dd1419 | 1963 | const struct ofp_header *oh; |
cf62fa4c | 1964 | void *data = dp_packet_data(payload); |
f3dd1419 BP |
1965 | int length; |
1966 | ||
1967 | /* Align OpenFlow on 8-byte boundary for safe access. */ | |
cf62fa4c | 1968 | dp_packet_shift(payload, -((intptr_t) data & 7)); |
f3dd1419 | 1969 | |
cf62fa4c | 1970 | oh = dp_packet_data(payload); |
f3dd1419 | 1971 | length = ntohs(oh->length); |
cf62fa4c | 1972 | if (dp_packet_size(payload) < length) { |
f3dd1419 BP |
1973 | break; |
1974 | } | |
1975 | ||
1976 | if (!first) { | |
1977 | putchar('\n'); | |
1978 | } | |
1979 | first = false; | |
1980 | ||
1981 | if (timestamp) { | |
1982 | char *s = xastrftime_msec("%H:%M:%S.### ", when, true); | |
1983 | fputs(s, stdout); | |
1984 | free(s); | |
1985 | } | |
1986 | ||
1987 | printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n", | |
1988 | IP_ARGS(flow.nw_src), ntohs(flow.tp_src), | |
1989 | IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst)); | |
cf62fa4c PS |
1990 | ofp_print(stdout, dp_packet_data(payload), length, verbosity + 1); |
1991 | dp_packet_pull(payload, length); | |
f3dd1419 BP |
1992 | } |
1993 | } | |
1994 | } | |
cf62fa4c | 1995 | dp_packet_delete(packet); |
f3dd1419 BP |
1996 | } |
1997 | tcp_reader_close(reader); | |
1998 | } | |
1999 | ||
064af421 | 2000 | static void |
1636c761 | 2001 | ofctl_ping(struct ovs_cmdl_context *ctx) |
064af421 BP |
2002 | { |
2003 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2004 | unsigned int payload; | |
2005 | struct vconn *vconn; | |
2006 | int i; | |
2007 | ||
1636c761 | 2008 | payload = ctx->argc > 2 ? atoi(ctx->argv[2]) : 64; |
064af421 | 2009 | if (payload > max_payload) { |
34582733 | 2010 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2011 | } |
2012 | ||
1636c761 | 2013 | open_vconn(ctx->argv[1], &vconn); |
064af421 BP |
2014 | for (i = 0; i < 10; i++) { |
2015 | struct timeval start, end; | |
2016 | struct ofpbuf *request, *reply; | |
982697a4 BP |
2017 | const struct ofp_header *rpy_hdr; |
2018 | enum ofptype type; | |
064af421 | 2019 | |
a53a8efa SH |
2020 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2021 | vconn_get_version(vconn), payload); | |
982697a4 | 2022 | random_bytes(ofpbuf_put_uninit(request, payload), payload); |
064af421 | 2023 | |
279c9e03 | 2024 | xgettimeofday(&start); |
064af421 | 2025 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 2026 | xgettimeofday(&end); |
064af421 | 2027 | |
6fd6ed71 | 2028 | rpy_hdr = reply->data; |
982697a4 BP |
2029 | if (ofptype_pull(&type, reply) |
2030 | || type != OFPTYPE_ECHO_REPLY | |
6fd6ed71 PS |
2031 | || reply->size != payload |
2032 | || memcmp(request->msg, reply->msg, payload)) { | |
064af421 | 2033 | printf("Reply does not match request. Request:\n"); |
6fd6ed71 | 2034 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 2035 | printf("Reply:\n"); |
6fd6ed71 | 2036 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 2037 | } |
437d0d22 | 2038 | printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
1636c761 | 2039 | reply->size, ctx->argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
2040 | (1000*(double)(end.tv_sec - start.tv_sec)) |
2041 | + (.001*(end.tv_usec - start.tv_usec))); | |
2042 | ofpbuf_delete(request); | |
2043 | ofpbuf_delete(reply); | |
2044 | } | |
2045 | vconn_close(vconn); | |
2046 | } | |
2047 | ||
2048 | static void | |
1636c761 | 2049 | ofctl_benchmark(struct ovs_cmdl_context *ctx) |
064af421 BP |
2050 | { |
2051 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2052 | struct timeval start, end; | |
2053 | unsigned int payload_size, message_size; | |
2054 | struct vconn *vconn; | |
2055 | double duration; | |
2056 | int count; | |
2057 | int i; | |
2058 | ||
1636c761 | 2059 | payload_size = atoi(ctx->argv[2]); |
064af421 | 2060 | if (payload_size > max_payload) { |
34582733 | 2061 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2062 | } |
2063 | message_size = sizeof(struct ofp_header) + payload_size; | |
2064 | ||
1636c761 | 2065 | count = atoi(ctx->argv[3]); |
064af421 BP |
2066 | |
2067 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
2068 | count, message_size, count * message_size); | |
2069 | ||
1636c761 | 2070 | open_vconn(ctx->argv[1], &vconn); |
279c9e03 | 2071 | xgettimeofday(&start); |
064af421 BP |
2072 | for (i = 0; i < count; i++) { |
2073 | struct ofpbuf *request, *reply; | |
064af421 | 2074 | |
a53a8efa SH |
2075 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2076 | vconn_get_version(vconn), payload_size); | |
982697a4 | 2077 | ofpbuf_put_zeros(request, payload_size); |
064af421 BP |
2078 | run(vconn_transact(vconn, request, &reply), "transact"); |
2079 | ofpbuf_delete(reply); | |
2080 | } | |
279c9e03 | 2081 | xgettimeofday(&end); |
064af421 BP |
2082 | vconn_close(vconn); |
2083 | ||
2084 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
2085 | + (.001*(end.tv_usec - start.tv_usec))); | |
2086 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
2087 | duration, count / (duration / 1000.0), | |
2088 | count * message_size / (duration / 1000.0)); | |
2089 | } | |
2090 | ||
7395c052 NZ |
2091 | static void |
2092 | ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms, | |
69185eb2 | 2093 | size_t n_gms, enum ofputil_protocol usable_protocols) |
7395c052 | 2094 | { |
69185eb2 | 2095 | enum ofputil_protocol protocol; |
7395c052 | 2096 | struct ofputil_group_mod *gm; |
69185eb2 | 2097 | enum ofp_version version; |
7395c052 NZ |
2098 | struct ofpbuf *request; |
2099 | ||
2100 | struct vconn *vconn; | |
2101 | size_t i; | |
2102 | ||
69185eb2 SH |
2103 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
2104 | version = ofputil_protocol_to_ofp_version(protocol); | |
7395c052 NZ |
2105 | |
2106 | for (i = 0; i < n_gms; i++) { | |
2107 | gm = &gms[i]; | |
69185eb2 | 2108 | request = ofputil_encode_group_mod(version, gm); |
7395c052 NZ |
2109 | if (request) { |
2110 | transact_noreply(vconn, request); | |
2111 | } | |
2112 | } | |
2113 | ||
2114 | vconn_close(vconn); | |
2115 | ||
2116 | } | |
2117 | ||
2118 | ||
2119 | static void | |
2120 | ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) | |
2121 | { | |
2122 | struct ofputil_group_mod *gms = NULL; | |
2123 | enum ofputil_protocol usable_protocols; | |
2124 | size_t n_gms = 0; | |
2125 | char *error; | |
0da32511 | 2126 | int i; |
7395c052 NZ |
2127 | |
2128 | error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms, | |
2129 | &usable_protocols); | |
2130 | if (error) { | |
2131 | ovs_fatal(0, "%s", error); | |
2132 | } | |
69185eb2 | 2133 | ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols); |
0da32511 SH |
2134 | for (i = 0; i < n_gms; i++) { |
2135 | ofputil_bucket_list_destroy(&gms[i].buckets); | |
2136 | } | |
7395c052 NZ |
2137 | free(gms); |
2138 | } | |
2139 | ||
2140 | static void | |
2141 | ofctl_group_mod(int argc, char *argv[], uint16_t command) | |
2142 | { | |
2143 | if (argc > 2 && !strcmp(argv[2], "-")) { | |
2144 | ofctl_group_mod_file(argc, argv, command); | |
2145 | } else { | |
2146 | enum ofputil_protocol usable_protocols; | |
2147 | struct ofputil_group_mod gm; | |
2148 | char *error; | |
2149 | ||
2150 | error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "", | |
2151 | &usable_protocols); | |
2152 | if (error) { | |
2153 | ovs_fatal(0, "%s", error); | |
2154 | } | |
69185eb2 | 2155 | ofctl_group_mod__(argv[1], &gm, 1, usable_protocols); |
0da32511 | 2156 | ofputil_bucket_list_destroy(&gm.buckets); |
7395c052 NZ |
2157 | } |
2158 | } | |
2159 | ||
2160 | static void | |
1636c761 | 2161 | ofctl_add_group(struct ovs_cmdl_context *ctx) |
7395c052 | 2162 | { |
1636c761 | 2163 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_ADD); |
7395c052 NZ |
2164 | } |
2165 | ||
2166 | static void | |
1636c761 | 2167 | ofctl_add_groups(struct ovs_cmdl_context *ctx) |
7395c052 | 2168 | { |
1636c761 | 2169 | ofctl_group_mod_file(ctx->argc, ctx->argv, OFPGC11_ADD); |
7395c052 NZ |
2170 | } |
2171 | ||
2172 | static void | |
1636c761 | 2173 | ofctl_mod_group(struct ovs_cmdl_context *ctx) |
7395c052 | 2174 | { |
1636c761 | 2175 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_MODIFY); |
7395c052 NZ |
2176 | } |
2177 | ||
2178 | static void | |
1636c761 | 2179 | ofctl_del_groups(struct ovs_cmdl_context *ctx) |
7395c052 | 2180 | { |
1636c761 | 2181 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_DELETE); |
7395c052 NZ |
2182 | } |
2183 | ||
bdbb8426 | 2184 | static void |
1636c761 | 2185 | ofctl_insert_bucket(struct ovs_cmdl_context *ctx) |
bdbb8426 | 2186 | { |
1636c761 | 2187 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_INSERT_BUCKET); |
bdbb8426 SH |
2188 | } |
2189 | ||
2190 | static void | |
1636c761 | 2191 | ofctl_remove_bucket(struct ovs_cmdl_context *ctx) |
bdbb8426 | 2192 | { |
1636c761 | 2193 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_REMOVE_BUCKET); |
bdbb8426 SH |
2194 | } |
2195 | ||
7395c052 | 2196 | static void |
1636c761 | 2197 | ofctl_dump_group_stats(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2198 | { |
2199 | enum ofputil_protocol usable_protocols; | |
2200 | struct ofputil_group_mod gm; | |
2201 | struct ofpbuf *request; | |
2202 | struct vconn *vconn; | |
2203 | uint32_t group_id; | |
2204 | char *error; | |
2205 | ||
2206 | memset(&gm, 0, sizeof gm); | |
2207 | ||
2208 | error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE, | |
1636c761 | 2209 | ctx->argc > 2 ? ctx->argv[2] : "", |
7395c052 NZ |
2210 | &usable_protocols); |
2211 | if (error) { | |
2212 | ovs_fatal(0, "%s", error); | |
2213 | } | |
2214 | ||
2215 | group_id = gm.group_id; | |
2216 | ||
1636c761 | 2217 | open_vconn(ctx->argv[1], &vconn); |
7395c052 NZ |
2218 | request = ofputil_encode_group_stats_request(vconn_get_version(vconn), |
2219 | group_id); | |
2220 | if (request) { | |
2221 | dump_stats_transaction(vconn, request); | |
2222 | } | |
2223 | ||
2224 | vconn_close(vconn); | |
2225 | } | |
2226 | ||
2227 | static void | |
1636c761 | 2228 | ofctl_dump_group_desc(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2229 | { |
2230 | struct ofpbuf *request; | |
2231 | struct vconn *vconn; | |
19187a71 | 2232 | uint32_t group_id; |
7395c052 | 2233 | |
1636c761 | 2234 | open_vconn(ctx->argv[1], &vconn); |
7395c052 | 2235 | |
1636c761 | 2236 | if (ctx->argc < 3 || !ofputil_group_from_string(ctx->argv[2], &group_id)) { |
19187a71 BP |
2237 | group_id = OFPG11_ALL; |
2238 | } | |
2239 | ||
2240 | request = ofputil_encode_group_desc_request(vconn_get_version(vconn), | |
2241 | group_id); | |
7395c052 NZ |
2242 | if (request) { |
2243 | dump_stats_transaction(vconn, request); | |
2244 | } | |
2245 | ||
2246 | vconn_close(vconn); | |
2247 | } | |
2248 | ||
2249 | static void | |
1636c761 | 2250 | ofctl_dump_group_features(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2251 | { |
2252 | struct ofpbuf *request; | |
2253 | struct vconn *vconn; | |
2254 | ||
1636c761 | 2255 | open_vconn(ctx->argv[1], &vconn); |
7395c052 NZ |
2256 | request = ofputil_encode_group_features_request(vconn_get_version(vconn)); |
2257 | if (request) { | |
2258 | dump_stats_transaction(vconn, request); | |
2259 | } | |
2260 | ||
2261 | vconn_close(vconn); | |
2262 | } | |
2263 | ||
09246b99 | 2264 | static void |
1636c761 | 2265 | ofctl_help(struct ovs_cmdl_context *ctx OVS_UNUSED) |
09246b99 BP |
2266 | { |
2267 | usage(); | |
2268 | } | |
451de37e AW |
2269 | |
2270 | static void | |
1636c761 | 2271 | ofctl_list_commands(struct ovs_cmdl_context *ctx OVS_UNUSED) |
451de37e | 2272 | { |
5f383751 | 2273 | ovs_cmdl_print_commands(get_all_commands()); |
451de37e | 2274 | } |
09246b99 | 2275 | \f |
0199c526 BP |
2276 | /* replace-flows and diff-flows commands. */ |
2277 | ||
2278 | /* A flow table entry, possibly with two different versions. */ | |
2279 | struct fte { | |
2280 | struct cls_rule rule; /* Within a "struct classifier". */ | |
2281 | struct fte_version *versions[2]; | |
2282 | }; | |
2283 | ||
2284 | /* One version of a Flow Table Entry. */ | |
2285 | struct fte_version { | |
2286 | ovs_be64 cookie; | |
2287 | uint16_t idle_timeout; | |
2288 | uint16_t hard_timeout; | |
ca26eb44 | 2289 | uint16_t importance; |
0199c526 | 2290 | uint16_t flags; |
f25d0cf3 BP |
2291 | struct ofpact *ofpacts; |
2292 | size_t ofpacts_len; | |
0199c526 BP |
2293 | }; |
2294 | ||
2295 | /* Frees 'version' and the data that it owns. */ | |
2296 | static void | |
2297 | fte_version_free(struct fte_version *version) | |
2298 | { | |
2299 | if (version) { | |
dc723c44 | 2300 | free(CONST_CAST(struct ofpact *, version->ofpacts)); |
0199c526 BP |
2301 | free(version); |
2302 | } | |
2303 | } | |
2304 | ||
2305 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
2306 | * | |
2307 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
2308 | * an OpenFlow switch. We have to assume that they are the same. */ | |
2309 | static bool | |
2310 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
2311 | { | |
2312 | return (a->cookie == b->cookie | |
2313 | && a->idle_timeout == b->idle_timeout | |
2314 | && a->hard_timeout == b->hard_timeout | |
ca26eb44 | 2315 | && a->importance == b->importance |
f25d0cf3 BP |
2316 | && ofpacts_equal(a->ofpacts, a->ofpacts_len, |
2317 | b->ofpacts, b->ofpacts_len)); | |
0199c526 BP |
2318 | } |
2319 | ||
98f7f427 BP |
2320 | /* Clears 's', then if 's' has a version 'index', formats 'fte' and version |
2321 | * 'index' into 's', followed by a new-line. */ | |
0199c526 | 2322 | static void |
98f7f427 | 2323 | fte_version_format(const struct fte *fte, int index, struct ds *s) |
0199c526 | 2324 | { |
98f7f427 | 2325 | const struct fte_version *version = fte->versions[index]; |
0199c526 | 2326 | |
98f7f427 BP |
2327 | ds_clear(s); |
2328 | if (!version) { | |
2329 | return; | |
2330 | } | |
2331 | ||
2332 | cls_rule_format(&fte->rule, s); | |
0199c526 | 2333 | if (version->cookie != htonll(0)) { |
98f7f427 | 2334 | ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie)); |
0199c526 BP |
2335 | } |
2336 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2337 | ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout); |
0199c526 BP |
2338 | } |
2339 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2340 | ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout); |
0199c526 | 2341 | } |
ca26eb44 RB |
2342 | if (version->importance != 0) { |
2343 | ds_put_format(s, " importance=%"PRIu16, version->importance); | |
2344 | } | |
0199c526 | 2345 | |
455ecd77 | 2346 | ds_put_cstr(s, " actions="); |
98f7f427 BP |
2347 | ofpacts_format(version->ofpacts, version->ofpacts_len, s); |
2348 | ||
2349 | ds_put_char(s, '\n'); | |
0199c526 BP |
2350 | } |
2351 | ||
2352 | static struct fte * | |
2353 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
2354 | { | |
2355 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
2356 | } | |
2357 | ||
2358 | /* Frees 'fte' and its versions. */ | |
2359 | static void | |
2360 | fte_free(struct fte *fte) | |
2361 | { | |
2362 | if (fte) { | |
2363 | fte_version_free(fte->versions[0]); | |
2364 | fte_version_free(fte->versions[1]); | |
48d28ac1 | 2365 | cls_rule_destroy(&fte->rule); |
0199c526 BP |
2366 | free(fte); |
2367 | } | |
2368 | } | |
2369 | ||
2370 | /* Frees all of the FTEs within 'cls'. */ | |
2371 | static void | |
2372 | fte_free_all(struct classifier *cls) | |
2373 | { | |
78c8df12 | 2374 | struct fte *fte; |
0199c526 | 2375 | |
802f84ff | 2376 | classifier_defer(cls); |
de4ad4a2 | 2377 | CLS_FOR_EACH (fte, rule, cls) { |
0199c526 | 2378 | classifier_remove(cls, &fte->rule); |
de4ad4a2 | 2379 | ovsrcu_postpone(fte_free, fte); |
0199c526 | 2380 | } |
e49190c4 | 2381 | classifier_destroy(cls); |
0199c526 BP |
2382 | } |
2383 | ||
2384 | /* Searches 'cls' for an FTE matching 'rule', inserting a new one if | |
2385 | * necessary. Sets 'version' as the version of that rule with the given | |
2386 | * 'index', replacing any existing version, if any. | |
2387 | * | |
2388 | * Takes ownership of 'version'. */ | |
2389 | static void | |
81a76618 | 2390 | fte_insert(struct classifier *cls, const struct match *match, |
eb391b76 | 2391 | int priority, struct fte_version *version, int index) |
0199c526 BP |
2392 | { |
2393 | struct fte *old, *fte; | |
2394 | ||
2395 | fte = xzalloc(sizeof *fte); | |
81a76618 | 2396 | cls_rule_init(&fte->rule, match, priority); |
0199c526 BP |
2397 | fte->versions[index] = version; |
2398 | ||
18080541 | 2399 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule, NULL, 0)); |
0199c526 | 2400 | if (old) { |
0199c526 | 2401 | fte->versions[!index] = old->versions[!index]; |
de4ad4a2 JR |
2402 | old->versions[!index] = NULL; |
2403 | ||
2404 | ovsrcu_postpone(fte_free, old); | |
0199c526 BP |
2405 | } |
2406 | } | |
2407 | ||
2408 | /* Reads the flows in 'filename' as flow table entries in 'cls' for the version | |
27527aa0 BP |
2409 | * with the specified 'index'. Returns the flow formats able to represent the |
2410 | * flows that were read. */ | |
2411 | static enum ofputil_protocol | |
0199c526 BP |
2412 | read_flows_from_file(const char *filename, struct classifier *cls, int index) |
2413 | { | |
27527aa0 | 2414 | enum ofputil_protocol usable_protocols; |
bdda5aca | 2415 | int line_number; |
0199c526 BP |
2416 | struct ds s; |
2417 | FILE *file; | |
2418 | ||
2419 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
2420 | if (file == NULL) { | |
2421 | ovs_fatal(errno, "%s: open", filename); | |
2422 | } | |
2423 | ||
2424 | ds_init(&s); | |
27527aa0 | 2425 | usable_protocols = OFPUTIL_P_ANY; |
bdda5aca | 2426 | line_number = 0; |
802f84ff | 2427 | classifier_defer(cls); |
bdda5aca | 2428 | while (!ds_get_preprocessed_line(&s, file, &line_number)) { |
0199c526 | 2429 | struct fte_version *version; |
a9a2da38 | 2430 | struct ofputil_flow_mod fm; |
bdda5aca | 2431 | char *error; |
db0b6c29 | 2432 | enum ofputil_protocol usable; |
0199c526 | 2433 | |
ba2fe8e9 | 2434 | error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable); |
bdda5aca BP |
2435 | if (error) { |
2436 | ovs_fatal(0, "%s:%d: %s", filename, line_number, error); | |
2437 | } | |
db0b6c29 | 2438 | usable_protocols &= usable; |
0199c526 BP |
2439 | |
2440 | version = xmalloc(sizeof *version); | |
623e1caf | 2441 | version->cookie = fm.new_cookie; |
0199c526 BP |
2442 | version->idle_timeout = fm.idle_timeout; |
2443 | version->hard_timeout = fm.hard_timeout; | |
ca26eb44 | 2444 | version->importance = fm.importance; |
0fb88c18 BP |
2445 | version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM |
2446 | | OFPUTIL_FF_EMERG); | |
f25d0cf3 BP |
2447 | version->ofpacts = fm.ofpacts; |
2448 | version->ofpacts_len = fm.ofpacts_len; | |
0199c526 | 2449 | |
81a76618 | 2450 | fte_insert(cls, &fm.match, fm.priority, version, index); |
0199c526 | 2451 | } |
802f84ff | 2452 | classifier_publish(cls); |
0199c526 BP |
2453 | ds_destroy(&s); |
2454 | ||
2455 | if (file != stdin) { | |
2456 | fclose(file); | |
2457 | } | |
2458 | ||
27527aa0 | 2459 | return usable_protocols; |
0199c526 BP |
2460 | } |
2461 | ||
4ce9c315 BP |
2462 | static bool |
2463 | recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid, | |
2464 | struct ofpbuf **replyp, | |
2465 | struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts) | |
2466 | { | |
2467 | struct ofpbuf *reply = *replyp; | |
2468 | ||
2469 | for (;;) { | |
4ce9c315 | 2470 | int retval; |
35805806 | 2471 | bool more; |
4ce9c315 BP |
2472 | |
2473 | /* Get a flow stats reply message, if we don't already have one. */ | |
2474 | if (!reply) { | |
982697a4 BP |
2475 | enum ofptype type; |
2476 | enum ofperr error; | |
4ce9c315 BP |
2477 | |
2478 | do { | |
2479 | run(vconn_recv_block(vconn, &reply), | |
2480 | "OpenFlow packet receive failed"); | |
6fd6ed71 | 2481 | } while (((struct ofp_header *) reply->data)->xid != send_xid); |
4ce9c315 | 2482 | |
6fd6ed71 | 2483 | error = ofptype_decode(&type, reply->data); |
982697a4 | 2484 | if (error || type != OFPTYPE_FLOW_STATS_REPLY) { |
4ce9c315 | 2485 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 2486 | ofp_to_string(reply->data, reply->size, |
4ce9c315 BP |
2487 | verbosity + 1)); |
2488 | } | |
2489 | } | |
2490 | ||
2491 | /* Pull an individual flow stats reply out of the message. */ | |
2492 | retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts); | |
2493 | switch (retval) { | |
2494 | case 0: | |
2495 | *replyp = reply; | |
2496 | return true; | |
2497 | ||
2498 | case EOF: | |
6fd6ed71 | 2499 | more = ofpmp_more(reply->header); |
4ce9c315 | 2500 | ofpbuf_delete(reply); |
296ed880 | 2501 | reply = NULL; |
35805806 | 2502 | if (!more) { |
4ce9c315 BP |
2503 | *replyp = NULL; |
2504 | return false; | |
2505 | } | |
2506 | break; | |
2507 | ||
2508 | default: | |
2509 | ovs_fatal(0, "parse error in reply (%s)", | |
2510 | ofperr_to_string(retval)); | |
2511 | } | |
2512 | } | |
2513 | } | |
2514 | ||
0199c526 | 2515 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow |
27527aa0 | 2516 | * format 'protocol', and adds them as flow table entries in 'cls' for the |
0199c526 BP |
2517 | * version with the specified 'index'. */ |
2518 | static void | |
27527aa0 BP |
2519 | read_flows_from_switch(struct vconn *vconn, |
2520 | enum ofputil_protocol protocol, | |
0199c526 BP |
2521 | struct classifier *cls, int index) |
2522 | { | |
81d1ea94 | 2523 | struct ofputil_flow_stats_request fsr; |
4ce9c315 | 2524 | struct ofputil_flow_stats fs; |
0199c526 | 2525 | struct ofpbuf *request; |
4ce9c315 BP |
2526 | struct ofpbuf ofpacts; |
2527 | struct ofpbuf *reply; | |
0199c526 | 2528 | ovs_be32 send_xid; |
0199c526 BP |
2529 | |
2530 | fsr.aggregate = false; | |
81a76618 | 2531 | match_init_catchall(&fsr.match); |
7f05e7ab | 2532 | fsr.out_port = OFPP_ANY; |
0199c526 | 2533 | fsr.table_id = 0xff; |
ecc798ab | 2534 | fsr.cookie = fsr.cookie_mask = htonll(0); |
27527aa0 | 2535 | request = ofputil_encode_flow_stats_request(&fsr, protocol); |
6fd6ed71 | 2536 | send_xid = ((struct ofp_header *) request->data)->xid; |
0199c526 BP |
2537 | send_openflow_buffer(vconn, request); |
2538 | ||
4ce9c315 BP |
2539 | reply = NULL; |
2540 | ofpbuf_init(&ofpacts, 0); | |
802f84ff | 2541 | classifier_defer(cls); |
4ce9c315 BP |
2542 | while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) { |
2543 | struct fte_version *version; | |
0199c526 | 2544 | |
4ce9c315 BP |
2545 | version = xmalloc(sizeof *version); |
2546 | version->cookie = fs.cookie; | |
2547 | version->idle_timeout = fs.idle_timeout; | |
2548 | version->hard_timeout = fs.hard_timeout; | |
ca26eb44 | 2549 | version->importance = fs.importance; |
4ce9c315 BP |
2550 | version->flags = 0; |
2551 | version->ofpacts_len = fs.ofpacts_len; | |
2552 | version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len); | |
2553 | ||
81a76618 | 2554 | fte_insert(cls, &fs.match, fs.priority, version, index); |
0199c526 | 2555 | } |
802f84ff | 2556 | classifier_publish(cls); |
4ce9c315 | 2557 | ofpbuf_uninit(&ofpacts); |
0199c526 BP |
2558 | } |
2559 | ||
2560 | static void | |
2561 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
ca6ba700 | 2562 | enum ofputil_protocol protocol, struct ovs_list *packets) |
0199c526 BP |
2563 | { |
2564 | const struct fte_version *version = fte->versions[index]; | |
a9a2da38 | 2565 | struct ofputil_flow_mod fm; |
0199c526 BP |
2566 | struct ofpbuf *ofm; |
2567 | ||
5cb7a798 | 2568 | minimatch_expand(&fte->rule.match, &fm.match); |
81a76618 | 2569 | fm.priority = fte->rule.priority; |
623e1caf JP |
2570 | fm.cookie = htonll(0); |
2571 | fm.cookie_mask = htonll(0); | |
2572 | fm.new_cookie = version->cookie; | |
23342857 | 2573 | fm.modify_cookie = true; |
6c1491fb | 2574 | fm.table_id = 0xff; |
0199c526 BP |
2575 | fm.command = command; |
2576 | fm.idle_timeout = version->idle_timeout; | |
2577 | fm.hard_timeout = version->hard_timeout; | |
ca26eb44 | 2578 | fm.importance = version->importance; |
0199c526 | 2579 | fm.buffer_id = UINT32_MAX; |
7f05e7ab | 2580 | fm.out_port = OFPP_ANY; |
0199c526 BP |
2581 | fm.flags = version->flags; |
2582 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || | |
2583 | command == OFPFC_MODIFY_STRICT) { | |
f25d0cf3 BP |
2584 | fm.ofpacts = version->ofpacts; |
2585 | fm.ofpacts_len = version->ofpacts_len; | |
0199c526 | 2586 | } else { |
f25d0cf3 BP |
2587 | fm.ofpacts = NULL; |
2588 | fm.ofpacts_len = 0; | |
0199c526 | 2589 | } |
cc40d06b | 2590 | fm.delete_reason = OFPRR_DELETE; |
0199c526 | 2591 | |
27527aa0 | 2592 | ofm = ofputil_encode_flow_mod(&fm, protocol); |
0199c526 BP |
2593 | list_push_back(packets, &ofm->list_node); |
2594 | } | |
2595 | ||
2596 | static void | |
1636c761 | 2597 | ofctl_replace_flows(struct ovs_cmdl_context *ctx) |
0199c526 BP |
2598 | { |
2599 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
27527aa0 | 2600 | enum ofputil_protocol usable_protocols, protocol; |
0199c526 | 2601 | struct classifier cls; |
ca6ba700 | 2602 | struct ovs_list requests; |
0199c526 BP |
2603 | struct vconn *vconn; |
2604 | struct fte *fte; | |
2605 | ||
476f36e8 | 2606 | classifier_init(&cls, NULL); |
1636c761 | 2607 | usable_protocols = read_flows_from_file(ctx->argv[2], &cls, FILE_IDX); |
0199c526 | 2608 | |
1636c761 | 2609 | protocol = open_vconn(ctx->argv[1], &vconn); |
27527aa0 BP |
2610 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); |
2611 | ||
2612 | read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX); | |
0199c526 BP |
2613 | |
2614 | list_init(&requests); | |
2615 | ||
2616 | /* Delete flows that exist on the switch but not in the file. */ | |
5f0476ce | 2617 | CLS_FOR_EACH (fte, rule, &cls) { |
0199c526 BP |
2618 | struct fte_version *file_ver = fte->versions[FILE_IDX]; |
2619 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2620 | ||
2621 | if (sw_ver && !file_ver) { | |
2622 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
27527aa0 | 2623 | protocol, &requests); |
0199c526 BP |
2624 | } |
2625 | } | |
2626 | ||
2627 | /* Add flows that exist in the file but not on the switch. | |
2628 | * Update flows that exist in both places but differ. */ | |
5f0476ce | 2629 | CLS_FOR_EACH (fte, rule, &cls) { |
0199c526 BP |
2630 | struct fte_version *file_ver = fte->versions[FILE_IDX]; |
2631 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
2632 | ||
c4ea79bf BP |
2633 | if (file_ver |
2634 | && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
27527aa0 | 2635 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests); |
0199c526 BP |
2636 | } |
2637 | } | |
2638 | transact_multiple_noreply(vconn, &requests); | |
2639 | vconn_close(vconn); | |
2640 | ||
2641 | fte_free_all(&cls); | |
2642 | } | |
2643 | ||
2644 | static void | |
2645 | read_flows_from_source(const char *source, struct classifier *cls, int index) | |
2646 | { | |
2647 | struct stat s; | |
2648 | ||
2649 | if (source[0] == '/' || source[0] == '.' | |
2650 | || (!strchr(source, ':') && !stat(source, &s))) { | |
2651 | read_flows_from_file(source, cls, index); | |
2652 | } else { | |
27527aa0 | 2653 | enum ofputil_protocol protocol; |
0199c526 BP |
2654 | struct vconn *vconn; |
2655 | ||
27527aa0 BP |
2656 | protocol = open_vconn(source, &vconn); |
2657 | protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY); | |
2658 | read_flows_from_switch(vconn, protocol, cls, index); | |
0199c526 BP |
2659 | vconn_close(vconn); |
2660 | } | |
2661 | } | |
2662 | ||
2663 | static void | |
1636c761 | 2664 | ofctl_diff_flows(struct ovs_cmdl_context *ctx) |
0199c526 BP |
2665 | { |
2666 | bool differences = false; | |
0199c526 | 2667 | struct classifier cls; |
98f7f427 | 2668 | struct ds a_s, b_s; |
0199c526 BP |
2669 | struct fte *fte; |
2670 | ||
476f36e8 | 2671 | classifier_init(&cls, NULL); |
1636c761 RB |
2672 | read_flows_from_source(ctx->argv[1], &cls, 0); |
2673 | read_flows_from_source(ctx->argv[2], &cls, 1); | |
0199c526 | 2674 | |
98f7f427 BP |
2675 | ds_init(&a_s); |
2676 | ds_init(&b_s); | |
2677 | ||
5f0476ce | 2678 | CLS_FOR_EACH (fte, rule, &cls) { |
0199c526 BP |
2679 | struct fte_version *a = fte->versions[0]; |
2680 | struct fte_version *b = fte->versions[1]; | |
2681 | ||
2682 | if (!a || !b || !fte_version_equals(a, b)) { | |
98f7f427 BP |
2683 | fte_version_format(fte, 0, &a_s); |
2684 | fte_version_format(fte, 1, &b_s); | |
2685 | if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) { | |
2686 | if (a_s.length) { | |
2687 | printf("-%s", ds_cstr(&a_s)); | |
2688 | } | |
2689 | if (b_s.length) { | |
2690 | printf("+%s", ds_cstr(&b_s)); | |
2691 | } | |
2692 | differences = true; | |
0199c526 | 2693 | } |
0199c526 BP |
2694 | } |
2695 | } | |
2696 | ||
98f7f427 BP |
2697 | ds_destroy(&a_s); |
2698 | ds_destroy(&b_s); | |
2699 | ||
0199c526 BP |
2700 | fte_free_all(&cls); |
2701 | ||
2702 | if (differences) { | |
2703 | exit(2); | |
2704 | } | |
2705 | } | |
3200ed58 JR |
2706 | |
2707 | static void | |
2708 | ofctl_meter_mod__(const char *bridge, const char *str, int command) | |
2709 | { | |
2710 | struct ofputil_meter_mod mm; | |
2711 | struct vconn *vconn; | |
2712 | enum ofputil_protocol protocol; | |
2713 | enum ofputil_protocol usable_protocols; | |
2714 | enum ofp_version version; | |
2715 | ||
2716 | if (str) { | |
2717 | char *error; | |
2718 | error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols); | |
2719 | if (error) { | |
2720 | ovs_fatal(0, "%s", error); | |
2721 | } | |
2722 | } else { | |
2723 | usable_protocols = OFPUTIL_P_OF13_UP; | |
2724 | mm.command = command; | |
2725 | mm.meter.meter_id = OFPM13_ALL; | |
2726 | } | |
2727 | ||
2728 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
2729 | version = ofputil_protocol_to_ofp_version(protocol); | |
2730 | transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm)); | |
2731 | vconn_close(vconn); | |
2732 | } | |
2733 | ||
2734 | static void | |
2735 | ofctl_meter_request__(const char *bridge, const char *str, | |
2736 | enum ofputil_meter_request_type type) | |
2737 | { | |
2738 | struct ofputil_meter_mod mm; | |
2739 | struct vconn *vconn; | |
2740 | enum ofputil_protocol usable_protocols; | |
2741 | enum ofputil_protocol protocol; | |
2742 | enum ofp_version version; | |
2743 | ||
2744 | if (str) { | |
2745 | char *error; | |
2746 | error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols); | |
2747 | if (error) { | |
2748 | ovs_fatal(0, "%s", error); | |
2749 | } | |
2750 | } else { | |
2751 | usable_protocols = OFPUTIL_P_OF13_UP; | |
2752 | mm.meter.meter_id = OFPM13_ALL; | |
2753 | } | |
2754 | ||
2755 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
2756 | version = ofputil_protocol_to_ofp_version(protocol); | |
2757 | transact_noreply(vconn, ofputil_encode_meter_request(version, | |
2758 | type, | |
2759 | mm.meter.meter_id)); | |
2760 | vconn_close(vconn); | |
2761 | } | |
2762 | ||
2763 | ||
2764 | static void | |
1636c761 | 2765 | ofctl_add_meter(struct ovs_cmdl_context *ctx) |
3200ed58 | 2766 | { |
1636c761 | 2767 | ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_ADD); |
3200ed58 JR |
2768 | } |
2769 | ||
2770 | static void | |
1636c761 | 2771 | ofctl_mod_meter(struct ovs_cmdl_context *ctx) |
3200ed58 | 2772 | { |
1636c761 | 2773 | ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_MODIFY); |
3200ed58 JR |
2774 | } |
2775 | ||
2776 | static void | |
1636c761 | 2777 | ofctl_del_meters(struct ovs_cmdl_context *ctx) |
3200ed58 | 2778 | { |
1636c761 | 2779 | ofctl_meter_mod__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, OFPMC13_DELETE); |
3200ed58 JR |
2780 | } |
2781 | ||
2782 | static void | |
1636c761 | 2783 | ofctl_dump_meters(struct ovs_cmdl_context *ctx) |
3200ed58 | 2784 | { |
1636c761 | 2785 | ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, |
3200ed58 JR |
2786 | OFPUTIL_METER_CONFIG); |
2787 | } | |
2788 | ||
2789 | static void | |
1636c761 | 2790 | ofctl_meter_stats(struct ovs_cmdl_context *ctx) |
3200ed58 | 2791 | { |
1636c761 | 2792 | ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, |
3200ed58 JR |
2793 | OFPUTIL_METER_STATS); |
2794 | } | |
2795 | ||
2796 | static void | |
1636c761 | 2797 | ofctl_meter_features(struct ovs_cmdl_context *ctx) |
3200ed58 | 2798 | { |
1636c761 | 2799 | ofctl_meter_request__(ctx->argv[1], NULL, OFPUTIL_METER_FEATURES); |
3200ed58 JR |
2800 | } |
2801 | ||
0199c526 | 2802 | \f |
09246b99 BP |
2803 | /* Undocumented commands for unit testing. */ |
2804 | ||
770f1f66 | 2805 | static void |
db0b6c29 JR |
2806 | ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms, |
2807 | enum ofputil_protocol usable_protocols) | |
770f1f66 | 2808 | { |
27527aa0 BP |
2809 | enum ofputil_protocol protocol = 0; |
2810 | char *usable_s; | |
2811 | size_t i; | |
770f1f66 | 2812 | |
27527aa0 BP |
2813 | usable_s = ofputil_protocols_to_string(usable_protocols); |
2814 | printf("usable protocols: %s\n", usable_s); | |
2815 | free(usable_s); | |
2816 | ||
2817 | if (!(usable_protocols & allowed_protocols)) { | |
2818 | ovs_fatal(0, "no usable protocol"); | |
2819 | } | |
2820 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
2821 | protocol = 1 << i; | |
2822 | if (protocol & usable_protocols & allowed_protocols) { | |
2823 | break; | |
2824 | } | |
2825 | } | |
cc2862a9 | 2826 | ovs_assert(is_pow2(protocol)); |
27527aa0 BP |
2827 | |
2828 | printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol)); | |
2829 | ||
2830 | for (i = 0; i < n_fms; i++) { | |
2831 | struct ofputil_flow_mod *fm = &fms[i]; | |
2832 | struct ofpbuf *msg; | |
2833 | ||
2834 | msg = ofputil_encode_flow_mod(fm, protocol); | |
6fd6ed71 | 2835 | ofp_print(stdout, msg->data, msg->size, verbosity); |
27527aa0 BP |
2836 | ofpbuf_delete(msg); |
2837 | ||
dc723c44 | 2838 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
770f1f66 BP |
2839 | } |
2840 | } | |
2841 | ||
2842 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
2843 | * it back to stdout. */ | |
2844 | static void | |
1636c761 | 2845 | ofctl_parse_flow(struct ovs_cmdl_context *ctx) |
770f1f66 | 2846 | { |
db0b6c29 | 2847 | enum ofputil_protocol usable_protocols; |
27527aa0 | 2848 | struct ofputil_flow_mod fm; |
bdda5aca | 2849 | char *error; |
770f1f66 | 2850 | |
1636c761 | 2851 | error = parse_ofp_flow_mod_str(&fm, ctx->argv[1], OFPFC_ADD, &usable_protocols); |
bdda5aca BP |
2852 | if (error) { |
2853 | ovs_fatal(0, "%s", error); | |
2854 | } | |
db0b6c29 | 2855 | ofctl_parse_flows__(&fm, 1, usable_protocols); |
770f1f66 BP |
2856 | } |
2857 | ||
fec00620 BP |
2858 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
2859 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 | 2860 | static void |
1636c761 | 2861 | ofctl_parse_flows(struct ovs_cmdl_context *ctx) |
0e581146 | 2862 | { |
db0b6c29 | 2863 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
2864 | struct ofputil_flow_mod *fms = NULL; |
2865 | size_t n_fms = 0; | |
bdda5aca | 2866 | char *error; |
0e581146 | 2867 | |
1636c761 | 2868 | error = parse_ofp_flow_mod_file(ctx->argv[1], OFPFC_ADD, &fms, &n_fms, |
ba2fe8e9 | 2869 | &usable_protocols); |
bdda5aca BP |
2870 | if (error) { |
2871 | ovs_fatal(0, "%s", error); | |
2872 | } | |
db0b6c29 | 2873 | ofctl_parse_flows__(fms, n_fms, usable_protocols); |
27527aa0 | 2874 | free(fms); |
0e581146 BP |
2875 | } |
2876 | ||
064af421 | 2877 | static void |
9d84066c | 2878 | ofctl_parse_nxm__(bool oxm, enum ofp_version version) |
09246b99 BP |
2879 | { |
2880 | struct ds in; | |
2881 | ||
2882 | ds_init(&in); | |
06d7ae7d | 2883 | while (!ds_get_test_line(&in, stdin)) { |
09246b99 | 2884 | struct ofpbuf nx_match; |
81a76618 | 2885 | struct match match; |
e729e793 | 2886 | ovs_be64 cookie, cookie_mask; |
90bf1e07 | 2887 | enum ofperr error; |
09246b99 | 2888 | int match_len; |
09246b99 BP |
2889 | |
2890 | /* Convert string to nx_match. */ | |
2891 | ofpbuf_init(&nx_match, 0); | |
7623f4dd SH |
2892 | if (oxm) { |
2893 | match_len = oxm_match_from_string(ds_cstr(&in), &nx_match); | |
2894 | } else { | |
2895 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
2896 | } | |
09246b99 | 2897 | |
81a76618 | 2898 | /* Convert nx_match to match. */ |
102ce766 | 2899 | if (strict) { |
7623f4dd | 2900 | if (oxm) { |
81a76618 | 2901 | error = oxm_pull_match(&nx_match, &match); |
7623f4dd | 2902 | } else { |
81a76618 | 2903 | error = nx_pull_match(&nx_match, match_len, &match, |
7623f4dd SH |
2904 | &cookie, &cookie_mask); |
2905 | } | |
102ce766 | 2906 | } else { |
7623f4dd | 2907 | if (oxm) { |
81a76618 | 2908 | error = oxm_pull_match_loose(&nx_match, &match); |
7623f4dd | 2909 | } else { |
81a76618 | 2910 | error = nx_pull_match_loose(&nx_match, match_len, &match, |
7623f4dd SH |
2911 | &cookie, &cookie_mask); |
2912 | } | |
102ce766 EJ |
2913 | } |
2914 | ||
7623f4dd | 2915 | |
09246b99 BP |
2916 | if (!error) { |
2917 | char *out; | |
2918 | ||
81a76618 | 2919 | /* Convert match back to nx_match. */ |
09246b99 BP |
2920 | ofpbuf_uninit(&nx_match); |
2921 | ofpbuf_init(&nx_match, 0); | |
7623f4dd | 2922 | if (oxm) { |
9d84066c | 2923 | match_len = oxm_put_match(&nx_match, &match, version); |
db5a1019 | 2924 | out = oxm_match_to_string(&nx_match, match_len); |
7623f4dd | 2925 | } else { |
81a76618 | 2926 | match_len = nx_put_match(&nx_match, &match, |
7623f4dd | 2927 | cookie, cookie_mask); |
6fd6ed71 | 2928 | out = nx_match_to_string(nx_match.data, match_len); |
7623f4dd | 2929 | } |
09246b99 | 2930 | |
09246b99 BP |
2931 | puts(out); |
2932 | free(out); | |
508a9338 BP |
2933 | |
2934 | if (verbosity > 0) { | |
6fd6ed71 | 2935 | ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false); |
508a9338 | 2936 | } |
09246b99 | 2937 | } else { |
90bf1e07 BP |
2938 | printf("nx_pull_match() returned error %s\n", |
2939 | ofperr_get_name(error)); | |
09246b99 BP |
2940 | } |
2941 | ||
2942 | ofpbuf_uninit(&nx_match); | |
2943 | } | |
2944 | ds_destroy(&in); | |
064af421 BP |
2945 | } |
2946 | ||
b5ae8913 SH |
2947 | /* "parse-nxm": reads a series of NXM nx_match specifications as strings from |
2948 | * stdin, does some internal fussing with them, and then prints them back as | |
2949 | * strings on stdout. */ | |
2950 | static void | |
1636c761 | 2951 | ofctl_parse_nxm(struct ovs_cmdl_context *ctx OVS_UNUSED) |
b5ae8913 | 2952 | { |
2f4aba0b | 2953 | ofctl_parse_nxm__(false, 0); |
b5ae8913 SH |
2954 | } |
2955 | ||
9d84066c BP |
2956 | /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as |
2957 | * strings from stdin, does some internal fussing with them, and then prints | |
2958 | * them back as strings on stdout. VERSION must specify an OpenFlow version, | |
2959 | * e.g. "OpenFlow12". */ | |
b5ae8913 | 2960 | static void |
1636c761 | 2961 | ofctl_parse_oxm(struct ovs_cmdl_context *ctx) |
b5ae8913 | 2962 | { |
1636c761 | 2963 | enum ofp_version version = ofputil_version_from_string(ctx->argv[1]); |
9d84066c | 2964 | if (version < OFP12_VERSION) { |
1636c761 | 2965 | ovs_fatal(0, "%s: not a valid version for OXM", ctx->argv[1]); |
9d84066c BP |
2966 | } |
2967 | ||
2f4aba0b | 2968 | ofctl_parse_nxm__(true, version); |
b5ae8913 SH |
2969 | } |
2970 | ||
f25d0cf3 | 2971 | static void |
96628ae8 BP |
2972 | print_differences(const char *prefix, |
2973 | const void *a_, size_t a_len, | |
f25d0cf3 BP |
2974 | const void *b_, size_t b_len) |
2975 | { | |
2976 | const uint8_t *a = a_; | |
2977 | const uint8_t *b = b_; | |
2978 | size_t i; | |
2979 | ||
2980 | for (i = 0; i < MIN(a_len, b_len); i++) { | |
2981 | if (a[i] != b[i]) { | |
34582733 | 2982 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n", |
96628ae8 | 2983 | prefix, i, a[i], b[i]); |
f25d0cf3 BP |
2984 | } |
2985 | } | |
2986 | for (i = a_len; i < b_len; i++) { | |
34582733 | 2987 | printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]); |
f25d0cf3 BP |
2988 | } |
2989 | for (i = b_len; i < a_len; i++) { | |
34582733 | 2990 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]); |
f25d0cf3 BP |
2991 | } |
2992 | } | |
2993 | ||
f25d0cf3 | 2994 | static void |
65a8a59e | 2995 | ofctl_parse_actions__(const char *version_s, bool instructions) |
f25d0cf3 | 2996 | { |
65a8a59e | 2997 | enum ofp_version version; |
f25d0cf3 BP |
2998 | struct ds in; |
2999 | ||
65a8a59e BP |
3000 | version = ofputil_version_from_string(version_s); |
3001 | if (!version) { | |
3002 | ovs_fatal(0, "%s: not a valid OpenFlow version", version_s); | |
3003 | } | |
3004 | ||
f25d0cf3 | 3005 | ds_init(&in); |
bdda5aca | 3006 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
65a8a59e BP |
3007 | struct ofpbuf of_out; |
3008 | struct ofpbuf of_in; | |
f25d0cf3 | 3009 | struct ofpbuf ofpacts; |
65a8a59e BP |
3010 | const char *table_id; |
3011 | char *actions; | |
f25d0cf3 BP |
3012 | enum ofperr error; |
3013 | size_t size; | |
3014 | struct ds s; | |
3015 | ||
65a8a59e BP |
3016 | /* Parse table_id separated with the follow-up actions by ",", if |
3017 | * any. */ | |
3018 | actions = ds_cstr(&in); | |
3019 | table_id = NULL; | |
3020 | if (strstr(actions, ",")) { | |
3021 | table_id = strsep(&actions, ","); | |
3022 | } | |
3023 | ||
f25d0cf3 | 3024 | /* Parse hex bytes. */ |
65a8a59e BP |
3025 | ofpbuf_init(&of_in, 0); |
3026 | if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') { | |
f25d0cf3 BP |
3027 | ovs_fatal(0, "Trailing garbage in hex data"); |
3028 | } | |
3029 | ||
3030 | /* Convert to ofpacts. */ | |
3031 | ofpbuf_init(&ofpacts, 0); | |
6fd6ed71 | 3032 | size = of_in.size; |
8f2cded4 BP |
3033 | error = (instructions |
3034 | ? ofpacts_pull_openflow_instructions | |
3035 | : ofpacts_pull_openflow_actions)( | |
6fd6ed71 | 3036 | &of_in, of_in.size, version, &ofpacts); |
65a8a59e BP |
3037 | if (!error && instructions) { |
3038 | /* Verify actions, enforce consistency. */ | |
3039 | enum ofputil_protocol protocol; | |
3040 | struct flow flow; | |
3041 | ||
3042 | memset(&flow, 0, sizeof flow); | |
3043 | protocol = ofputil_protocols_from_ofp_version(version); | |
6fd6ed71 | 3044 | error = ofpacts_check_consistency(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3045 | &flow, OFPP_MAX, |
3046 | table_id ? atoi(table_id) : 0, | |
3047 | 255, protocol); | |
3048 | } | |
f25d0cf3 | 3049 | if (error) { |
65a8a59e BP |
3050 | printf("bad %s %s: %s\n\n", |
3051 | version_s, instructions ? "instructions" : "actions", | |
3052 | ofperr_get_name(error)); | |
f25d0cf3 | 3053 | ofpbuf_uninit(&ofpacts); |
65a8a59e | 3054 | ofpbuf_uninit(&of_in); |
f25d0cf3 BP |
3055 | continue; |
3056 | } | |
65a8a59e | 3057 | ofpbuf_push_uninit(&of_in, size); |
f25d0cf3 BP |
3058 | |
3059 | /* Print cls_rule. */ | |
3060 | ds_init(&s); | |
455ecd77 | 3061 | ds_put_cstr(&s, "actions="); |
6fd6ed71 | 3062 | ofpacts_format(ofpacts.data, ofpacts.size, &s); |
f25d0cf3 BP |
3063 | puts(ds_cstr(&s)); |
3064 | ds_destroy(&s); | |
3065 | ||
3066 | /* Convert back to ofp10 actions and print differences from input. */ | |
65a8a59e BP |
3067 | ofpbuf_init(&of_out, 0); |
3068 | if (instructions) { | |
6fd6ed71 PS |
3069 | ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size, |
3070 | &of_out, version); | |
65a8a59e | 3071 | } else { |
6fd6ed71 | 3072 | ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3073 | &of_out, version); |
3074 | } | |
f25d0cf3 | 3075 | |
6fd6ed71 PS |
3076 | print_differences("", of_in.data, of_in.size, |
3077 | of_out.data, of_out.size); | |
f25d0cf3 BP |
3078 | putchar('\n'); |
3079 | ||
3080 | ofpbuf_uninit(&ofpacts); | |
65a8a59e BP |
3081 | ofpbuf_uninit(&of_in); |
3082 | ofpbuf_uninit(&of_out); | |
f25d0cf3 BP |
3083 | } |
3084 | ds_destroy(&in); | |
3085 | } | |
3086 | ||
65a8a59e BP |
3087 | /* "parse-actions VERSION": reads a series of action specifications for the |
3088 | * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts, | |
3089 | * prints them as strings on stdout, and then converts them back to hex bytes | |
3090 | * and prints any differences from the input. */ | |
8f2cded4 | 3091 | static void |
1636c761 | 3092 | ofctl_parse_actions(struct ovs_cmdl_context *ctx) |
8f2cded4 | 3093 | { |
1636c761 | 3094 | ofctl_parse_actions__(ctx->argv[1], false); |
8f2cded4 BP |
3095 | } |
3096 | ||
65a8a59e BP |
3097 | /* "parse-actions VERSION": reads a series of instruction specifications for |
3098 | * the given OpenFlow VERSION as hex bytes from stdin, converts them to | |
3099 | * ofpacts, prints them as strings on stdout, and then converts them back to | |
3100 | * hex bytes and prints any differences from the input. */ | |
8f2cded4 | 3101 | static void |
1636c761 | 3102 | ofctl_parse_instructions(struct ovs_cmdl_context *ctx) |
8f2cded4 | 3103 | { |
1636c761 | 3104 | ofctl_parse_actions__(ctx->argv[1], true); |
8f2cded4 BP |
3105 | } |
3106 | ||
96628ae8 BP |
3107 | /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex |
3108 | * bytes from stdin, converts them to cls_rules, prints them as strings on | |
3109 | * stdout, and then converts them back to hex bytes and prints any differences | |
8812ec2c BP |
3110 | * from the input. |
3111 | * | |
3112 | * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose | |
3113 | * values are ignored in the input and will be set to zero when OVS converts | |
3114 | * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when | |
3115 | * it does the conversion to hex, to ensure that in fact they are ignored. */ | |
96628ae8 | 3116 | static void |
1636c761 | 3117 | ofctl_parse_ofp10_match(struct ovs_cmdl_context *ctx OVS_UNUSED) |
96628ae8 | 3118 | { |
8812ec2c | 3119 | struct ds expout; |
96628ae8 BP |
3120 | struct ds in; |
3121 | ||
3122 | ds_init(&in); | |
8812ec2c | 3123 | ds_init(&expout); |
bdda5aca | 3124 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
8812ec2c | 3125 | struct ofpbuf match_in, match_expout; |
96628ae8 BP |
3126 | struct ofp10_match match_out; |
3127 | struct ofp10_match match_normal; | |
81a76618 | 3128 | struct match match; |
8812ec2c BP |
3129 | char *p; |
3130 | ||
3131 | /* Parse hex bytes to use for expected output. */ | |
3132 | ds_clear(&expout); | |
3133 | ds_put_cstr(&expout, ds_cstr(&in)); | |
3134 | for (p = ds_cstr(&expout); *p; p++) { | |
3135 | if (*p == 'x') { | |
3136 | *p = '0'; | |
3137 | } | |
3138 | } | |
3139 | ofpbuf_init(&match_expout, 0); | |
3140 | if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') { | |
3141 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3142 | } | |
6fd6ed71 | 3143 | if (match_expout.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3144 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3145 | match_expout.size, sizeof(struct ofp10_match)); |
8812ec2c | 3146 | } |
96628ae8 | 3147 | |
8812ec2c BP |
3148 | /* Parse hex bytes for input. */ |
3149 | for (p = ds_cstr(&in); *p; p++) { | |
3150 | if (*p == 'x') { | |
3151 | *p = "0123456789abcdef"[random_uint32() & 0xf]; | |
3152 | } | |
3153 | } | |
96628ae8 BP |
3154 | ofpbuf_init(&match_in, 0); |
3155 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3156 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3157 | } | |
6fd6ed71 | 3158 | if (match_in.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3159 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3160 | match_in.size, sizeof(struct ofp10_match)); |
96628ae8 BP |
3161 | } |
3162 | ||
3163 | /* Convert to cls_rule and print. */ | |
6fd6ed71 | 3164 | ofputil_match_from_ofp10_match(match_in.data, &match); |
81a76618 | 3165 | match_print(&match); |
96628ae8 BP |
3166 | |
3167 | /* Convert back to ofp10_match and print differences from input. */ | |
81a76618 | 3168 | ofputil_match_to_ofp10_match(&match, &match_out); |
6fd6ed71 | 3169 | print_differences("", match_expout.data, match_expout.size, |
96628ae8 BP |
3170 | &match_out, sizeof match_out); |
3171 | ||
3172 | /* Normalize, then convert and compare again. */ | |
81a76618 BP |
3173 | ofputil_normalize_match(&match); |
3174 | ofputil_match_to_ofp10_match(&match, &match_normal); | |
96628ae8 BP |
3175 | print_differences("normal: ", &match_out, sizeof match_out, |
3176 | &match_normal, sizeof match_normal); | |
3177 | putchar('\n'); | |
3178 | ||
3179 | ofpbuf_uninit(&match_in); | |
8812ec2c | 3180 | ofpbuf_uninit(&match_expout); |
96628ae8 BP |
3181 | } |
3182 | ds_destroy(&in); | |
8812ec2c | 3183 | ds_destroy(&expout); |
96628ae8 BP |
3184 | } |
3185 | ||
410698cf | 3186 | /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex |
81a76618 BP |
3187 | * bytes from stdin, converts them to "struct match"es, prints them as strings |
3188 | * on stdout, and then converts them back to hex bytes and prints any | |
3189 | * differences from the input. */ | |
410698cf | 3190 | static void |
1636c761 | 3191 | ofctl_parse_ofp11_match(struct ovs_cmdl_context *ctx OVS_UNUSED) |
410698cf BP |
3192 | { |
3193 | struct ds in; | |
3194 | ||
3195 | ds_init(&in); | |
bdda5aca | 3196 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
410698cf BP |
3197 | struct ofpbuf match_in; |
3198 | struct ofp11_match match_out; | |
81a76618 | 3199 | struct match match; |
410698cf | 3200 | enum ofperr error; |
410698cf BP |
3201 | |
3202 | /* Parse hex bytes. */ | |
3203 | ofpbuf_init(&match_in, 0); | |
3204 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3205 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3206 | } | |
6fd6ed71 | 3207 | if (match_in.size != sizeof(struct ofp11_match)) { |
437d0d22 | 3208 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3209 | match_in.size, sizeof(struct ofp11_match)); |
410698cf BP |
3210 | } |
3211 | ||
81a76618 | 3212 | /* Convert to match. */ |
6fd6ed71 | 3213 | error = ofputil_match_from_ofp11_match(match_in.data, &match); |
410698cf BP |
3214 | if (error) { |
3215 | printf("bad ofp11_match: %s\n\n", ofperr_get_name(error)); | |
3216 | ofpbuf_uninit(&match_in); | |
3217 | continue; | |
3218 | } | |
3219 | ||
81a76618 BP |
3220 | /* Print match. */ |
3221 | match_print(&match); | |
410698cf BP |
3222 | |
3223 | /* Convert back to ofp11_match and print differences from input. */ | |
81a76618 | 3224 | ofputil_match_to_ofp11_match(&match, &match_out); |
410698cf | 3225 | |
6fd6ed71 | 3226 | print_differences("", match_in.data, match_in.size, |
d01c980f BP |
3227 | &match_out, sizeof match_out); |
3228 | putchar('\n'); | |
410698cf | 3229 | |
d01c980f BP |
3230 | ofpbuf_uninit(&match_in); |
3231 | } | |
3232 | ds_destroy(&in); | |
3233 | } | |
3234 | ||
14249c02 BP |
3235 | /* "parse-pcap PCAP": read packets from PCAP and print their flows. */ |
3236 | static void | |
1636c761 | 3237 | ofctl_parse_pcap(struct ovs_cmdl_context *ctx) |
14249c02 BP |
3238 | { |
3239 | FILE *pcap; | |
3240 | ||
1636c761 | 3241 | pcap = ovs_pcap_open(ctx->argv[1], "rb"); |
14249c02 | 3242 | if (!pcap) { |
1636c761 | 3243 | ovs_fatal(errno, "%s: open failed", ctx->argv[1]); |
14249c02 BP |
3244 | } |
3245 | ||
3246 | for (;;) { | |
cf62fa4c | 3247 | struct dp_packet *packet; |
14249c02 BP |
3248 | struct flow flow; |
3249 | int error; | |
3250 | ||
50aa0364 | 3251 | error = ovs_pcap_read(pcap, &packet, NULL); |
14249c02 BP |
3252 | if (error == EOF) { |
3253 | break; | |
3254 | } else if (error) { | |
1636c761 | 3255 | ovs_fatal(error, "%s: read failed", ctx->argv[1]); |
14249c02 BP |
3256 | } |
3257 | ||
cf62fa4c PS |
3258 | packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE); |
3259 | flow_extract(packet, &flow); | |
14249c02 BP |
3260 | flow_print(stdout, &flow); |
3261 | putchar('\n'); | |
cf62fa4c | 3262 | dp_packet_delete(packet); |
14249c02 BP |
3263 | } |
3264 | } | |
3265 | ||
df778240 BP |
3266 | /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and |
3267 | * mask values to and from various formats and prints the results. */ | |
3268 | static void | |
1636c761 | 3269 | ofctl_check_vlan(struct ovs_cmdl_context *ctx) |
df778240 | 3270 | { |
81a76618 | 3271 | struct match match; |
df778240 BP |
3272 | |
3273 | char *string_s; | |
3274 | struct ofputil_flow_mod fm; | |
3275 | ||
3276 | struct ofpbuf nxm; | |
81a76618 | 3277 | struct match nxm_match; |
df778240 BP |
3278 | int nxm_match_len; |
3279 | char *nxm_s; | |
3280 | ||
81a76618 BP |
3281 | struct ofp10_match of10_raw; |
3282 | struct match of10_match; | |
df778240 | 3283 | |
81a76618 BP |
3284 | struct ofp11_match of11_raw; |
3285 | struct match of11_match; | |
df778240 BP |
3286 | |
3287 | enum ofperr error; | |
bdda5aca | 3288 | char *error_s; |
df778240 | 3289 | |
db0b6c29 JR |
3290 | enum ofputil_protocol usable_protocols; /* Unused for now. */ |
3291 | ||
81a76618 | 3292 | match_init_catchall(&match); |
1636c761 RB |
3293 | match.flow.vlan_tci = htons(strtoul(ctx->argv[1], NULL, 16)); |
3294 | match.wc.masks.vlan_tci = htons(strtoul(ctx->argv[2], NULL, 16)); | |
df778240 BP |
3295 | |
3296 | /* Convert to and from string. */ | |
81a76618 | 3297 | string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY); |
df778240 BP |
3298 | printf("%s -> ", string_s); |
3299 | fflush(stdout); | |
ba2fe8e9 | 3300 | error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols); |
bdda5aca BP |
3301 | if (error_s) { |
3302 | ovs_fatal(0, "%s", error_s); | |
3303 | } | |
df778240 | 3304 | printf("%04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3305 | ntohs(fm.match.flow.vlan_tci), |
3306 | ntohs(fm.match.wc.masks.vlan_tci)); | |
4d859fa9 | 3307 | free(string_s); |
df778240 BP |
3308 | |
3309 | /* Convert to and from NXM. */ | |
3310 | ofpbuf_init(&nxm, 0); | |
81a76618 | 3311 | nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0)); |
6fd6ed71 | 3312 | nxm_s = nx_match_to_string(nxm.data, nxm_match_len); |
81a76618 | 3313 | error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL); |
df778240 BP |
3314 | printf("NXM: %s -> ", nxm_s); |
3315 | if (error) { | |
3316 | printf("%s\n", ofperr_to_string(error)); | |
3317 | } else { | |
3318 | printf("%04"PRIx16"/%04"PRIx16"\n", | |
81a76618 BP |
3319 | ntohs(nxm_match.flow.vlan_tci), |
3320 | ntohs(nxm_match.wc.masks.vlan_tci)); | |
df778240 BP |
3321 | } |
3322 | free(nxm_s); | |
3323 | ofpbuf_uninit(&nxm); | |
3324 | ||
476a0e9e SH |
3325 | /* Convert to and from OXM. */ |
3326 | ofpbuf_init(&nxm, 0); | |
9d84066c | 3327 | nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION); |
db5a1019 | 3328 | nxm_s = oxm_match_to_string(&nxm, nxm_match_len); |
81a76618 | 3329 | error = oxm_pull_match(&nxm, &nxm_match); |
476a0e9e SH |
3330 | printf("OXM: %s -> ", nxm_s); |
3331 | if (error) { | |
3332 | printf("%s\n", ofperr_to_string(error)); | |
3333 | } else { | |
81a76618 | 3334 | uint16_t vid = ntohs(nxm_match.flow.vlan_tci) & |
476a0e9e | 3335 | (VLAN_VID_MASK | VLAN_CFI); |
81a76618 | 3336 | uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) & |
476a0e9e SH |
3337 | (VLAN_VID_MASK | VLAN_CFI); |
3338 | ||
3339 | printf("%04"PRIx16"/%04"PRIx16",", vid, mask); | |
81a76618 BP |
3340 | if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) { |
3341 | printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci)); | |
476a0e9e SH |
3342 | } else { |
3343 | printf("--\n"); | |
3344 | } | |
3345 | } | |
3346 | free(nxm_s); | |
3347 | ofpbuf_uninit(&nxm); | |
3348 | ||
df778240 | 3349 | /* Convert to and from OpenFlow 1.0. */ |
81a76618 BP |
3350 | ofputil_match_to_ofp10_match(&match, &of10_raw); |
3351 | ofputil_match_from_ofp10_match(&of10_raw, &of10_match); | |
df778240 | 3352 | printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3353 | ntohs(of10_raw.dl_vlan), |
3354 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0, | |
3355 | of10_raw.dl_vlan_pcp, | |
3356 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0, | |
3357 | ntohs(of10_match.flow.vlan_tci), | |
3358 | ntohs(of10_match.wc.masks.vlan_tci)); | |
df778240 BP |
3359 | |
3360 | /* Convert to and from OpenFlow 1.1. */ | |
81a76618 BP |
3361 | ofputil_match_to_ofp11_match(&match, &of11_raw); |
3362 | ofputil_match_from_ofp11_match(&of11_raw, &of11_match); | |
df778240 | 3363 | printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3364 | ntohs(of11_raw.dl_vlan), |
3365 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0, | |
3366 | of11_raw.dl_vlan_pcp, | |
3367 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0, | |
3368 | ntohs(of11_match.flow.vlan_tci), | |
3369 | ntohs(of11_match.wc.masks.vlan_tci)); | |
df778240 BP |
3370 | } |
3371 | ||
2e0525bc SH |
3372 | /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow |
3373 | * version. */ | |
3374 | static void | |
1636c761 | 3375 | ofctl_print_error(struct ovs_cmdl_context *ctx) |
2e0525bc SH |
3376 | { |
3377 | enum ofperr error; | |
3378 | int version; | |
3379 | ||
1636c761 | 3380 | error = ofperr_from_name(ctx->argv[1]); |
2e0525bc | 3381 | if (!error) { |
1636c761 | 3382 | ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]); |
2e0525bc SH |
3383 | } |
3384 | ||
3385 | for (version = 0; version <= UINT8_MAX; version++) { | |
688e86e1 | 3386 | const char *name = ofperr_domain_get_name(version); |
514887ee BP |
3387 | if (name) { |
3388 | int vendor = ofperr_get_vendor(error, version); | |
3389 | int type = ofperr_get_type(error, version); | |
3390 | int code = ofperr_get_code(error, version); | |
3391 | ||
3392 | if (vendor != -1 || type != -1 || code != -1) { | |
3393 | printf("%s: vendor %#x, type %d, code %d\n", | |
3394 | name, vendor, type, code); | |
3395 | } | |
2e0525bc | 3396 | } |
2e0525bc SH |
3397 | } |
3398 | } | |
3399 | ||
edd70aa7 BP |
3400 | /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the |
3401 | * error named ENUM and prints the error reply in hex. */ | |
3402 | static void | |
1636c761 | 3403 | ofctl_encode_error_reply(struct ovs_cmdl_context *ctx) |
edd70aa7 BP |
3404 | { |
3405 | const struct ofp_header *oh; | |
3406 | struct ofpbuf request, *reply; | |
3407 | enum ofperr error; | |
3408 | ||
1636c761 | 3409 | error = ofperr_from_name(ctx->argv[1]); |
edd70aa7 | 3410 | if (!error) { |
1636c761 | 3411 | ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]); |
edd70aa7 BP |
3412 | } |
3413 | ||
3414 | ofpbuf_init(&request, 0); | |
1636c761 | 3415 | if (ofpbuf_put_hex(&request, ctx->argv[2], NULL)[0] != '\0') { |
edd70aa7 BP |
3416 | ovs_fatal(0, "Trailing garbage in hex data"); |
3417 | } | |
6fd6ed71 | 3418 | if (request.size < sizeof(struct ofp_header)) { |
edd70aa7 BP |
3419 | ovs_fatal(0, "Request too short"); |
3420 | } | |
3421 | ||
6fd6ed71 PS |
3422 | oh = request.data; |
3423 | if (request.size != ntohs(oh->length)) { | |
edd70aa7 BP |
3424 | ovs_fatal(0, "Request size inconsistent"); |
3425 | } | |
3426 | ||
6fd6ed71 | 3427 | reply = ofperr_encode_reply(error, request.data); |
edd70aa7 BP |
3428 | ofpbuf_uninit(&request); |
3429 | ||
6fd6ed71 | 3430 | ovs_hex_dump(stdout, reply->data, reply->size, 0, false); |
edd70aa7 BP |
3431 | ofpbuf_delete(reply); |
3432 | } | |
3433 | ||
fec00620 BP |
3434 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
3435 | * binary data, interpreting them as an OpenFlow message, and prints the | |
8b227701 GS |
3436 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). |
3437 | * | |
3438 | * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where | |
3439 | * HEXSTRING_FILE contains the HEXSTRING. */ | |
fec00620 | 3440 | static void |
1636c761 | 3441 | ofctl_ofp_print(struct ovs_cmdl_context *ctx) |
fec00620 BP |
3442 | { |
3443 | struct ofpbuf packet; | |
8b227701 GS |
3444 | char *buffer; |
3445 | int verbosity = 2; | |
3446 | struct ds line; | |
3447 | ||
3448 | ds_init(&line); | |
3449 | ||
1636c761 | 3450 | if (!strcmp(ctx->argv[ctx->argc-1], "-")) { |
8b227701 GS |
3451 | if (ds_get_line(&line, stdin)) { |
3452 | VLOG_FATAL("Failed to read stdin"); | |
3453 | } | |
3454 | ||
3455 | buffer = line.string; | |
1636c761 RB |
3456 | verbosity = ctx->argc > 2 ? atoi(ctx->argv[1]) : verbosity; |
3457 | } else if (ctx->argc > 2) { | |
3458 | buffer = ctx->argv[1]; | |
3459 | verbosity = atoi(ctx->argv[2]); | |
8b227701 | 3460 | } else { |
1636c761 | 3461 | buffer = ctx->argv[1]; |
8b227701 | 3462 | } |
fec00620 | 3463 | |
8b227701 GS |
3464 | ofpbuf_init(&packet, strlen(buffer) / 2); |
3465 | if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') { | |
fec00620 BP |
3466 | ovs_fatal(0, "trailing garbage following hex bytes"); |
3467 | } | |
6fd6ed71 | 3468 | ofp_print(stdout, packet.data, packet.size, verbosity); |
fec00620 | 3469 | ofpbuf_uninit(&packet); |
8b227701 | 3470 | ds_destroy(&line); |
fec00620 BP |
3471 | } |
3472 | ||
681ea7a0 BP |
3473 | /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message |
3474 | * and dumps each message in hex. */ | |
3475 | static void | |
1636c761 | 3476 | ofctl_encode_hello(struct ovs_cmdl_context *ctx) |
681ea7a0 | 3477 | { |
1636c761 | 3478 | uint32_t bitmap = strtol(ctx->argv[1], NULL, 0); |
681ea7a0 BP |
3479 | struct ofpbuf *hello; |
3480 | ||
3481 | hello = ofputil_encode_hello(bitmap); | |
6fd6ed71 PS |
3482 | ovs_hex_dump(stdout, hello->data, hello->size, 0, false); |
3483 | ofp_print(stdout, hello->data, hello->size, verbosity); | |
681ea7a0 BP |
3484 | ofpbuf_delete(hello); |
3485 | } | |
3486 | ||
5f383751 | 3487 | static const struct ovs_cmdl_command all_commands[] = { |
451de37e AW |
3488 | { "show", "switch", |
3489 | 1, 1, ofctl_show }, | |
3490 | { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]", | |
3491 | 1, 3, ofctl_monitor }, | |
3492 | { "snoop", "switch", | |
3493 | 1, 1, ofctl_snoop }, | |
3494 | { "dump-desc", "switch", | |
3495 | 1, 1, ofctl_dump_desc }, | |
3496 | { "dump-tables", "switch", | |
3497 | 1, 1, ofctl_dump_tables }, | |
3498 | { "dump-table-features", "switch", | |
3499 | 1, 1, ofctl_dump_table_features }, | |
3500 | { "dump-flows", "switch", | |
3501 | 1, 2, ofctl_dump_flows }, | |
3502 | { "dump-aggregate", "switch", | |
3503 | 1, 2, ofctl_dump_aggregate }, | |
3504 | { "queue-stats", "switch [port [queue]]", | |
3505 | 1, 3, ofctl_queue_stats }, | |
3506 | { "queue-get-config", "switch port", | |
3507 | 2, 2, ofctl_queue_get_config }, | |
3508 | { "add-flow", "switch flow", | |
3509 | 2, 2, ofctl_add_flow }, | |
3510 | { "add-flows", "switch file", | |
3511 | 2, 2, ofctl_add_flows }, | |
3512 | { "mod-flows", "switch flow", | |
3513 | 2, 2, ofctl_mod_flows }, | |
3514 | { "del-flows", "switch [flow]", | |
3515 | 1, 2, ofctl_del_flows }, | |
3516 | { "replace-flows", "switch file", | |
3517 | 2, 2, ofctl_replace_flows }, | |
3518 | { "diff-flows", "source1 source2", | |
3519 | 2, 2, ofctl_diff_flows }, | |
3520 | { "add-meter", "switch meter", | |
3521 | 2, 2, ofctl_add_meter }, | |
3522 | { "mod-meter", "switch meter", | |
3523 | 2, 2, ofctl_mod_meter }, | |
3524 | { "del-meter", "switch meter", | |
3525 | 2, 2, ofctl_del_meters }, | |
3526 | { "del-meters", "switch", | |
3527 | 1, 1, ofctl_del_meters }, | |
3528 | { "dump-meter", "switch meter", | |
3529 | 2, 2, ofctl_dump_meters }, | |
3530 | { "dump-meters", "switch", | |
3531 | 1, 1, ofctl_dump_meters }, | |
3532 | { "meter-stats", "switch [meter]", | |
3533 | 1, 2, ofctl_meter_stats }, | |
3534 | { "meter-features", "switch", | |
3535 | 1, 1, ofctl_meter_features }, | |
3536 | { "packet-out", "switch in_port actions packet...", | |
3537 | 4, INT_MAX, ofctl_packet_out }, | |
3538 | { "dump-ports", "switch [port]", | |
3539 | 1, 2, ofctl_dump_ports }, | |
3540 | { "dump-ports-desc", "switch [port]", | |
3541 | 1, 2, ofctl_dump_ports_desc }, | |
3542 | { "mod-port", "switch iface act", | |
3543 | 3, 3, ofctl_mod_port }, | |
3544 | { "mod-table", "switch mod", | |
3545 | 3, 3, ofctl_mod_table }, | |
3546 | { "get-frags", "switch", | |
3547 | 1, 1, ofctl_get_frags }, | |
3548 | { "set-frags", "switch frag_mode", | |
3549 | 2, 2, ofctl_set_frags }, | |
3550 | { "probe", "target", | |
3551 | 1, 1, ofctl_probe }, | |
3552 | { "ping", "target [n]", | |
3553 | 1, 2, ofctl_ping }, | |
3554 | { "benchmark", "target n count", | |
3555 | 3, 3, ofctl_benchmark }, | |
3556 | ||
3557 | { "ofp-parse", "file", | |
3558 | 1, 1, ofctl_ofp_parse }, | |
3559 | { "ofp-parse-pcap", "pcap", | |
3560 | 1, INT_MAX, ofctl_ofp_parse_pcap }, | |
3561 | ||
3562 | { "add-group", "switch group", | |
3563 | 1, 2, ofctl_add_group }, | |
3564 | { "add-groups", "switch file", | |
3565 | 1, 2, ofctl_add_groups }, | |
3566 | { "mod-group", "switch group", | |
3567 | 1, 2, ofctl_mod_group }, | |
3568 | { "del-groups", "switch [group]", | |
3569 | 1, 2, ofctl_del_groups }, | |
bdbb8426 SH |
3570 | { "insert-buckets", "switch [group]", |
3571 | 1, 2, ofctl_insert_bucket }, | |
3572 | { "remove-buckets", "switch [group]", | |
3573 | 1, 2, ofctl_remove_bucket }, | |
451de37e AW |
3574 | { "dump-groups", "switch [group]", |
3575 | 1, 2, ofctl_dump_group_desc }, | |
3576 | { "dump-group-stats", "switch [group]", | |
3577 | 1, 2, ofctl_dump_group_stats }, | |
3578 | { "dump-group-features", "switch", | |
3579 | 1, 1, ofctl_dump_group_features }, | |
3580 | { "help", NULL, 0, INT_MAX, ofctl_help }, | |
3581 | { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands }, | |
09246b99 BP |
3582 | |
3583 | /* Undocumented commands for testing. */ | |
451de37e AW |
3584 | { "parse-flow", NULL, 1, 1, ofctl_parse_flow }, |
3585 | { "parse-flows", NULL, 1, 1, ofctl_parse_flows }, | |
3586 | { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm }, | |
3587 | { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm }, | |
3588 | { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm }, | |
3589 | { "parse-actions", NULL, 1, 1, ofctl_parse_actions }, | |
3590 | { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions }, | |
3591 | { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match }, | |
3592 | { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match }, | |
3593 | { "parse-pcap", NULL, 1, 1, ofctl_parse_pcap }, | |
3594 | { "check-vlan", NULL, 2, 2, ofctl_check_vlan }, | |
3595 | { "print-error", NULL, 1, 1, ofctl_print_error }, | |
3596 | { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply }, | |
3597 | { "ofp-print", NULL, 1, 2, ofctl_ofp_print }, | |
3598 | { "encode-hello", NULL, 1, 1, ofctl_encode_hello }, | |
3599 | ||
3600 | { NULL, NULL, 0, 0, NULL }, | |
064af421 | 3601 | }; |
3815d6c2 | 3602 | |
5f383751 | 3603 | static const struct ovs_cmdl_command *get_all_commands(void) |
3815d6c2 LS |
3604 | { |
3605 | return all_commands; | |
3606 | } |