lagg.c revision 1.6 1 /* $NetBSD: lagg.c,v 1.6 2024/04/04 08:01:55 yamaguchi Exp $ */
2
3 /*
4 * Copyright (c) 2021 Internet Initiative Japan Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #if !defined(lint)
31 __RCSID("$NetBSD: lagg.c,v 1.6 2024/04/04 08:01:55 yamaguchi Exp $");
32 #endif /* !defined(lint) */
33
34 #include <sys/param.h>
35
36 #include <sys/ioctl.h>
37
38 #include <net/if.h>
39 #include <net/if_ether.h>
40 #include <net/if_lagg.h>
41
42 #include <ctype.h>
43 #include <err.h>
44 #include <errno.h>
45 #include <string.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <util.h>
49
50 #include "env.h"
51 #include "extern.h"
52 #include "util.h"
53
54 static status_func_t status;
55 static usage_func_t usage;
56 static cmdloop_branch_t branch;
57
58 static void lagg_constructor(void) __attribute__((constructor));
59 static void lagg_status(prop_dictionary_t, prop_dictionary_t);
60 static void lagg_usage(prop_dictionary_t);
61
62 static int setlaggproto(prop_dictionary_t, prop_dictionary_t);
63 static int setlaggport(prop_dictionary_t, prop_dictionary_t);
64 static int setlagglacp(prop_dictionary_t, prop_dictionary_t);
65 static int setlagglacpmaxports(prop_dictionary_t, prop_dictionary_t);
66 static int setlaggfail(prop_dictionary_t, prop_dictionary_t);
67 static void lagg_status_proto(lagg_proto, struct laggreqproto *);
68 static void lagg_status_port(lagg_proto, struct laggreqport *);
69
70 #ifdef LAGG_DEBUG
71 static const bool lagg_debug = true;
72 #else
73 static const bool lagg_debug = false;
74 #endif
75
76 #define LAGG_RETRY_MAX 10
77
78 static const char *laggprotostr[LAGG_PROTO_MAX] = {
79 [LAGG_PROTO_NONE] = "none",
80 [LAGG_PROTO_LACP] = "lacp",
81 [LAGG_PROTO_FAILOVER] = "failover",
82 [LAGG_PROTO_LOADBALANCE] = "loadbalance",
83 };
84
85 enum laggportcmd {
86 LAGGPORT_NOCMD = 1,
87 LAGGPORT_ADD,
88 LAGGPORT_DEL,
89 };
90
91 enum lagglacpcmd {
92 LAGGLACP_ADD = 1,
93 LAGGLACP_DEL,
94 };
95
96 enum lagglacpopt {
97 LAGGLACPOPT_DUMPDU = 1,
98 LAGGLACPOPT_STOPDU,
99 LAGGLACPOPT_OPTIMISTIC,
100 LAGGLACPOPT_MULTILS,
101 };
102
103 enum laggfailopt {
104 LAGGFAILOPT_RXALL = 1,
105 };
106
107 struct pbranch laggport_root;
108 struct pbranch lagglacp_root;
109 struct pbranch laggfail_root;
110
111 struct pstr laggproto = PSTR_INITIALIZER(&laggproto, "lagg-protocol",
112 setlaggproto, "laggproto", &command_root.pb_parser);
113 struct piface laggaddport = PIFACE_INITIALIZER(&laggaddport,
114 "lagg-port-interface", setlaggport, "laggport",
115 &laggport_root.pb_parser);
116 struct piface laggdelport = PIFACE_INITIALIZER(&laggdelport,
117 "lagg-port-interface", setlaggport, "laggport",
118 &command_root.pb_parser);
119 struct pinteger laggportoptpri = PINTEGER_INITIALIZER1(&laggportoptpri,
120 "lagg-port-priority", 0, UINT16_MAX, 10,
121 setlaggport, "laggportpri", &laggport_root.pb_parser);
122 struct pinteger lagglacpmaxports = PINTEGER_INITIALIZER1(&lagglacpmaxports,
123 "lagg-lacp-maxports", 1, UINT32_MAX, 10,
124 setlagglacpmaxports, "lacpmaxports",
125 &lagglacp_root.pb_parser);
126 struct pinteger laggportpri_num = PINTEGER_INITIALIZER1(&laggportpri_num,
127 "lagg-port-priority", 0, UINT16_MAX, 10,
128 setlaggport, "laggportpri", &command_root.pb_parser);
129 struct piface laggportpri_if = PIFACE_INITIALIZER(&laggportpri_if,
130 "lagg-port-interface", NULL, "laggport",
131 &laggportpri_num.pi_parser);
132
133 static const struct kwinst lagglacpkw[] = {
134 {.k_word = "dumpdu", .k_key = "lacpdumpdu",
135 .k_type = KW_T_INT, .k_int = LAGGLACPOPT_DUMPDU,
136 .k_exec = setlagglacp}
137 , {.k_word = "-dumpdu", .k_key = "lacpdumpdu",
138 .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_DUMPDU,
139 .k_exec = setlagglacp}
140 , {.k_word = "stopdu", .k_key = "lacpstopdu",
141 .k_type = KW_T_INT, .k_int = LAGGLACPOPT_STOPDU,
142 .k_exec = setlagglacp}
143 , {.k_word = "-stopdu", .k_key = "lacpstopdu",
144 .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_STOPDU,
145 .k_exec = setlagglacp}
146 , {.k_word = "optimistic", .k_key = "lacpoptimistic",
147 .k_type = KW_T_INT, .k_int = LAGGLACPOPT_OPTIMISTIC,
148 .k_exec = setlagglacp}
149 , {.k_word = "-optimistic", .k_key = "lacpoptimistic",
150 .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_OPTIMISTIC,
151 .k_exec = setlagglacp}
152 , {.k_word = "maxports", .k_nextparser = &lagglacpmaxports.pi_parser}
153 , {.k_word = "-maxports", .k_key = "lacpmaxports",
154 .k_type = KW_T_INT, .k_int = 0, .k_exec = setlagglacpmaxports}
155 , {.k_word = "multi-linkspeed", .k_key = "lacpmultils",
156 .k_type = KW_T_INT, .k_int = LAGGLACPOPT_MULTILS,
157 .k_exec = setlagglacp}
158 , {.k_word = "-multi-linkspeed", .k_key = "lacpmultils",
159 .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_MULTILS,
160 .k_exec = setlagglacp}
161 };
162 struct pkw lagglacp = PKW_INITIALIZER(&lagglacp, "lagg-lacp-option",
163 NULL, NULL, lagglacpkw, __arraycount(lagglacpkw),
164 &lagglacp_root.pb_parser);
165
166 static const struct kwinst laggfailkw[] = {
167 {.k_word = "rx-all", .k_key = "failrxall",
168 .k_type = KW_T_INT, .k_int = LAGGFAILOPT_RXALL}
169 , {.k_word = "-rx-all", .k_key = "failrxall",
170 .k_type = KW_T_INT, .k_int = -LAGGFAILOPT_RXALL}
171 };
172 struct pkw laggfail = PKW_INITIALIZER(&laggfail, "lagg-failover-option",
173 setlaggfail, NULL, laggfailkw, __arraycount(laggfailkw),
174 &laggfail_root.pb_parser);
175
176 static const struct kwinst laggkw[] = {
177 {.k_word = "laggproto", .k_nextparser = &laggproto.ps_parser}
178 , {.k_word = "-laggproto", .k_key = "laggproto", .k_type = KW_T_STR,
179 .k_str = "none", .k_exec = setlaggproto}
180 , {.k_word = "laggport", .k_key = "laggportcmd", .k_type = KW_T_INT,
181 .k_int = LAGGPORT_ADD, .k_nextparser = &laggaddport.pif_parser}
182 , {.k_word = "-laggport", .k_key = "laggportcmd", .k_type = KW_T_INT,
183 .k_int = LAGGPORT_DEL, .k_nextparser = &laggdelport.pif_parser}
184 , {.k_word = "lagglacp", .k_nextparser = &lagglacp.pk_parser}
185 , {.k_word = "laggportpri", .k_nextparser = &laggportpri_if.pif_parser}
186 , {.k_word = "laggfailover", .k_nextparser = &laggfail.pk_parser}
187 };
188 struct pkw lagg = PKW_INITIALIZER(&lagg, "lagg", NULL, NULL,
189 laggkw, __arraycount(laggkw), NULL);
190
191 static const struct kwinst laggportkw[] = {
192 {.k_word = "pri", .k_nextparser = &laggportoptpri.pi_parser}
193 };
194 struct pkw laggportopt = PKW_INITIALIZER(&laggportopt, "lagg-port-option",
195 NULL, NULL, laggportkw, __arraycount(laggportkw), NULL);
196
197 struct branch laggport_brs[] = {
198 {.b_nextparser = &laggportopt.pk_parser}
199 , {.b_nextparser = &command_root.pb_parser}
200 };
201 struct branch lagglacp_brs[] = {
202 {.b_nextparser = &lagglacp.pk_parser}
203 , {.b_nextparser = &command_root.pb_parser}
204 };
205 struct branch laggfail_brs[] = {
206 {.b_nextparser = &laggfail.pk_parser}
207 , {.b_nextparser = &command_root.pb_parser}
208 };
209
210 static void
211 lagg_constructor(void)
212 {
213 struct pbranch _laggport_root = PBRANCH_INITIALIZER(&laggport_root,
214 "laggport-root", laggport_brs, __arraycount(laggport_brs), true);
215 struct pbranch _lagglacp_root = PBRANCH_INITIALIZER(&lagglacp_root,
216 "lagglacp-root", lagglacp_brs, __arraycount(lagglacp_brs), true);
217 struct pbranch _laggfail_root = PBRANCH_INITIALIZER(&laggfail_root,
218 "laggfail-root", laggfail_brs, __arraycount(laggfail_brs), true);
219
220 laggport_root = _laggport_root;
221 lagglacp_root = _lagglacp_root;
222 laggfail_root = _laggfail_root;
223
224 cmdloop_branch_init(&branch, &lagg.pk_parser);
225 status_func_init(&status, lagg_status);
226 usage_func_init(&usage, lagg_usage);
227
228 register_cmdloop_branch(&branch);
229 register_status(&status);
230 register_usage(&usage);
231 }
232
233 static int
234 is_laggif(prop_dictionary_t env)
235 {
236 const char *ifname;
237 size_t i, len;
238
239 if ((ifname = getifname(env)) == NULL)
240 return 0;
241
242 if (strncmp(ifname, "lagg", 4) != 0)
243 return 0;
244
245 len = strlen(ifname);
246 for (i = 4; i < len; i++) {
247 if (!isdigit((unsigned char)ifname[i]))
248 return 0;
249 }
250
251 return 1;
252 }
253
254 static struct lagg_req *
255 getlagg(prop_dictionary_t env)
256 {
257 struct lagg_req *req = NULL, *p;
258 size_t nports, bufsiz;
259 int i;
260
261 if (!is_laggif(env)) {
262 if (lagg_debug)
263 warnx("valid only with lagg(4) interfaces");
264 goto done;
265 }
266
267 for (i = 0, nports = 0; i < LAGG_RETRY_MAX; i++) {
268 bufsiz = sizeof(*req);
269 bufsiz += sizeof(req->lrq_reqports[0]) * nports;
270 p = realloc(req, bufsiz);
271 if (p == NULL)
272 break;
273
274 req = p;
275 memset(req, 0, bufsiz);
276 req->lrq_nports = nports;
277 if (indirect_ioctl(env, SIOCGLAGG, req) == 0)
278 goto done;
279
280 if (errno != ENOBUFS)
281 break;
282 nports = req->lrq_nports;
283 }
284
285 if (req != NULL) {
286 free(req);
287 req = NULL;
288 }
289
290 done:
291 return req;
292 }
293
294 static void
295 freelagg(struct lagg_req *req)
296 {
297
298 free(req);
299 }
300
301 static void
302 lagg_status(prop_dictionary_t env, prop_dictionary_t oenv)
303 {
304 struct lagg_req *req;
305 struct laggreqport *port;
306 const char *proto;
307 char str[256];
308 size_t i;
309
310 req = getlagg(env);
311 if (req == NULL)
312 return;
313
314 if (req->lrq_proto >= LAGG_PROTO_MAX ||
315 (proto = laggprotostr[req->lrq_proto]) == NULL) {
316 proto = "unknown";
317 }
318
319 printf("\tlaggproto %s", proto);
320 if (vflag)
321 lagg_status_proto(req->lrq_proto, &req->lrq_reqproto);
322 putchar('\n');
323
324 if (req->lrq_nports > 0) {
325 printf("\tlaggport:\n");
326 for (i = 0; i < req->lrq_nports; i++) {
327 port = &req->lrq_reqports[i];
328 snprintb(str, sizeof(str),
329 LAGG_PORT_BITS, port->rp_flags);
330
331 printf("\t\t%.*s pri=%u flags=%s",
332 IFNAMSIZ, port->rp_portname,
333 (unsigned int)port->rp_prio,
334 str);
335 if (vflag)
336 lagg_status_port(req->lrq_proto, port);
337 putchar('\n');
338 }
339 }
340
341 freelagg(req);
342 }
343
344 static int
345 setlaggproto(prop_dictionary_t env, prop_dictionary_t oenv)
346 {
347 prop_object_t obj;
348 struct lagg_req req;
349 const char *proto;
350 size_t i, proto_len;
351
352 memset(&req, 0, sizeof(req));
353
354 obj = prop_dictionary_get(env, "laggproto");
355 if (obj == NULL) {
356 errno = ENOENT;
357 return -1;
358 }
359
360 switch (prop_object_type(obj)) {
361 case PROP_TYPE_DATA:
362 proto = prop_data_value(obj);
363 proto_len = prop_data_size(obj);
364 break;
365 case PROP_TYPE_STRING:
366 proto = prop_string_value(obj);
367 proto_len = prop_string_size(obj);
368 break;
369 default:
370 errno = EFAULT;
371 return -1;
372 }
373
374 for (i = 0; i < LAGG_PROTO_MAX; i++) {
375 if (strncmp(proto, laggprotostr[i], proto_len) == 0)
376 break;
377 }
378
379 if (i >= LAGG_PROTO_MAX) {
380 errno = EPROTONOSUPPORT;
381 return -1;
382 }
383
384 req.lrq_ioctl = LAGGIOC_SETPROTO;
385 req.lrq_proto = i;
386
387 if (indirect_ioctl(env, SIOCSLAGG, &req) == -1)
388 return -1;
389
390 return 0;
391 }
392
393 static int
394 setlaggport(prop_dictionary_t env, prop_dictionary_t oenv __unused)
395 {
396 struct {
397 struct lagg_req req;
398 struct laggreqport port[1];
399 } _req;
400 struct lagg_req *req;
401 struct laggreqport *rp;
402 const char *ifname;
403 enum lagg_ioctl ioc;
404 int64_t lpcmd, pri;
405
406 if (!prop_dictionary_get_string(env, "laggport", &ifname)) {
407 if (lagg_debug)
408 warnx("%s.%d", __func__, __LINE__);
409 errno = ENOENT;
410 return -1;
411 }
412
413 memset(&_req, 0, sizeof(_req));
414 req = (struct lagg_req *)&_req;
415 rp = &req->lrq_reqports[0];
416
417 strlcpy(rp->rp_portname, ifname, sizeof(rp->rp_portname));
418 ioc = LAGGIOC_NOCMD;
419
420 if (prop_dictionary_get_int64(env, "laggportcmd", &lpcmd)) {
421 if (lpcmd == LAGGPORT_ADD) {
422 ioc = LAGGIOC_ADDPORT;
423 } else {
424 ioc = LAGGIOC_DELPORT;
425 }
426 }
427
428 if (prop_dictionary_get_int64(env, "laggportpri", &pri)) {
429 ioc = LAGGIOC_SETPORTPRI;
430 rp->rp_prio = (uint32_t)pri;
431 }
432
433 if (ioc != LAGGIOC_NOCMD) {
434 req->lrq_ioctl = ioc;
435 if (indirect_ioctl(env, SIOCSLAGG, req) == -1) {
436 if (lagg_debug) {
437 warn("cmd=%d", ioc);
438 }
439 return -1;
440 }
441 }
442
443 return 0;
444 }
445
446 static int
447 setlagglacp(prop_dictionary_t env, prop_dictionary_t oenv __unused)
448 {
449 struct lagg_req req_add, req_del;
450 struct laggreq_lacp *add_lacp, *del_lacp;
451 int64_t v;
452
453 memset(&req_add, 0, sizeof(req_add));
454 memset(&req_del, 0, sizeof(req_del));
455
456 req_add.lrq_proto = req_del.lrq_proto = LAGG_PROTO_LACP;
457 req_add.lrq_ioctl = req_del.lrq_ioctl = LAGGIOC_SETPROTOOPT;
458 add_lacp = &req_add.lrq_reqproto.rp_lacp;
459 del_lacp = &req_del.lrq_reqproto.rp_lacp;
460
461 add_lacp->command = LAGGIOC_LACPSETFLAGS;
462 del_lacp->command = LAGGIOC_LACPCLRFLAGS;
463
464 if (prop_dictionary_get_int64(env, "lacpdumpdu", &v)) {
465 if (v == LAGGLACPOPT_DUMPDU) {
466 add_lacp->flags |= LAGGREQLACP_DUMPDU;
467 } else {
468 del_lacp->flags |= LAGGREQLACP_DUMPDU;
469 }
470 }
471
472 if (prop_dictionary_get_int64(env, "lacpstopdu", &v)) {
473 if (v == LAGGLACPOPT_STOPDU) {
474 add_lacp->flags |= LAGGREQLACP_STOPDU;
475 } else {
476 del_lacp->flags |= LAGGREQLACP_STOPDU;
477 }
478 }
479
480 if (prop_dictionary_get_int64(env, "lacpoptimistic", &v)) {
481 if (v == LAGGLACPOPT_OPTIMISTIC) {
482 add_lacp->flags |= LAGGREQLACP_OPTIMISTIC;
483 } else {
484 del_lacp->flags |= LAGGREQLACP_OPTIMISTIC;
485 }
486 }
487
488 if (prop_dictionary_get_int64(env, "lacpmultils", &v)) {
489 if (v == LAGGLACPOPT_MULTILS) {
490 add_lacp->flags |= LAGGREQLACP_MULTILS;
491 } else {
492 del_lacp->flags |= LAGGREQLACP_MULTILS;
493 }
494 }
495
496 if (del_lacp->flags != 0) {
497 if (indirect_ioctl(env, SIOCSLAGG, &req_del) == -1) {
498 if (lagg_debug) {
499 warn("cmd=%d, pcmd=%d",
500 req_del.lrq_ioctl,
501 del_lacp->command);
502 }
503 return -1;
504 }
505 }
506
507 if (add_lacp->flags != 0) {
508 if (indirect_ioctl(env, SIOCSLAGG, &req_add) == -1) {
509 if (lagg_debug) {
510 warn("cmd=%d, pcmd=%d",
511 req_add.lrq_ioctl,
512 add_lacp->command);
513 }
514 return -1;
515 }
516 }
517
518 return 0;
519 }
520
521 static int
522 setlagglacpmaxports(prop_dictionary_t env,
523 prop_dictionary_t oenv __unused)
524 {
525 struct lagg_req req;
526 struct laggreq_lacp *lrq_lacp;
527 int64_t v;
528
529 memset(&req, 0, sizeof(req));
530 req.lrq_proto = LAGG_PROTO_LACP;
531 req.lrq_ioctl = LAGGIOC_SETPROTOOPT;
532 lrq_lacp = &req.lrq_reqproto.rp_lacp;
533
534 if (!prop_dictionary_get_int64(env, "lacpmaxports", &v)) {
535 if (lagg_debug)
536 warnx("%s.%d", __func__, __LINE__);
537 errno = ENOENT;
538 return -1;
539 }
540
541 if (v <= 0) {
542 lrq_lacp->command = LAGGIOC_LACPCLRMAXPORTS;
543 } else if (v > 0){
544 lrq_lacp->command = LAGGIOC_LACPSETMAXPORTS;
545 lrq_lacp->maxports = (size_t)v;
546 }
547
548 if (indirect_ioctl(env, SIOCSLAGG, &req) == -1) {
549 err(EXIT_FAILURE, "SIOCSLAGGPROTO");
550 }
551
552 return 0;
553 }
554
555 static int
556 setlaggfail(prop_dictionary_t env,
557 prop_dictionary_t oenv __unused)
558 {
559 struct lagg_req req_add, req_del;
560 struct laggreq_fail *add_fail, *del_fail;
561 int64_t v;
562
563 memset(&req_add, 0, sizeof(req_add));
564 memset(&req_del, 0, sizeof(req_del));
565
566 req_add.lrq_proto = req_del.lrq_proto = LAGG_PROTO_FAILOVER;
567 req_add.lrq_ioctl = req_del.lrq_ioctl = LAGGIOC_SETPROTOOPT;
568 add_fail = &req_add.lrq_reqproto.rp_fail;
569 del_fail = &req_del.lrq_reqproto.rp_fail;
570
571 add_fail->command = LAGGIOC_FAILSETFLAGS;
572 del_fail->command = LAGGIOC_FAILCLRFLAGS;
573
574 if (prop_dictionary_get_int64(env, "failrxall", &v)) {
575 if (v == LAGGFAILOPT_RXALL) {
576 add_fail->flags |= LAGGREQFAIL_RXALL;
577 } else {
578 del_fail->flags |= LAGGREQFAIL_RXALL;
579 }
580 }
581
582 if (del_fail->flags != 0) {
583 if (indirect_ioctl(env, SIOCSLAGG, &req_del) == -1) {
584 if (lagg_debug) {
585 warn("cmd=%d, pcmd=%d",
586 req_del.lrq_ioctl,
587 del_fail->command);
588 }
589 return -1;
590 }
591 }
592
593 if (add_fail->flags != 0) {
594 if (indirect_ioctl(env, SIOCSLAGG, &req_add) == -1) {
595 if (lagg_debug) {
596 warn("cmd=%d, pcmd=%d",
597 req_add.lrq_ioctl,
598 add_fail->command);
599 }
600 return -1;
601 }
602 }
603
604 return 0;
605 }
606
607 static void
608 lagg_usage(prop_dictionary_t env __unused)
609 {
610
611 fprintf(stderr, "\t[ laggproto p ]\n");
612 fprintf(stderr, "\t[ laggport i [ pri n ] ] "
613 "[ -laggport i ]\n");
614 fprintf(stderr, "\t[ laggportpri i [ pri n]]\n");
615 fprintf(stderr, "\t[ lagglacp [ dumpdu | -dumpdu ] "
616 "[ stopdu | -stopdu ]\n"
617 "\t\t[ maxports n | -maxports ] [ optimistic | -optimistic ] ]\n");
618 fprintf(stderr, "\t[ laggfailover] [ rx-all | -rx-all ]\n");
619 }
620 static void
621 lacp_format_id(char *buf, size_t len,
622 uint16_t system_prio, uint8_t *system_mac, uint16_t system_key)
623 {
624
625 snprintf(buf, len, "[%04X,%02X-%02X-%02X-%02X-%02X-%02X,"
626 "%04X]",
627 system_prio,
628 (unsigned int)system_mac[0],(unsigned int)system_mac[1],
629 (unsigned int)system_mac[2],(unsigned int)system_mac[3],
630 (unsigned int)system_mac[4],(unsigned int)system_mac[5],
631 system_key);
632 }
633
634 static void
635 lagg_status_proto(lagg_proto pr, struct laggreqproto *req)
636 {
637 struct laggreq_lacp *lacp;
638 char str[256];
639
640 switch (pr) {
641 case LAGG_PROTO_LACP:
642 lacp = &req->rp_lacp;
643
644 printf("\n");
645 snprintb(str, sizeof(str), LAGGREQLACP_BITS,
646 lacp->flags);
647 printf("\t\tmax ports=%zu, flags=%s\n",
648 lacp->maxports, str);
649
650 lacp_format_id(str, sizeof(str), lacp->actor_prio,
651 lacp->actor_mac, lacp->actor_key);
652 printf("\t\tactor=%s\n", str);
653
654 lacp_format_id(str, sizeof(str), lacp->partner_prio,
655 lacp->partner_mac, lacp->partner_key);
656 printf("\t\tpartner=%s", str);
657 break;
658 default:
659 break;
660 }
661 }
662
663 static void
664 lagg_status_port(lagg_proto pr, struct laggreqport *req)
665 {
666 struct laggreq_lacpport *lacp;
667 char str[256];
668
669 switch (pr) {
670 case LAGG_PROTO_LACP:
671 lacp = &req->rp_lacpport;
672
673 putchar('\n');
674
675 snprintb(str, sizeof(str), LACP_STATE_BITS, lacp->actor_state);
676 printf("\t\t\tactor: state=%s\n",str);
677
678 lacp_format_id(str, sizeof(str), lacp->partner_prio,
679 lacp->partner_mac, lacp->partner_key);
680 printf("\t\t\tpartner=%s\n", str);
681 snprintb(str, sizeof(str), LACP_STATE_BITS,
682 lacp->partner_state);
683 printf("\t\t\tpartner: port=%04X prio=%04X state=%s",
684 lacp->partner_portno, lacp->partner_portprio, str);
685 break;
686 default:
687 break;
688 }
689 }
690