1 /* Copyright (c) 2011, 2012, 2013, 2014 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
21 #include "connectivity.h"
22 #include "dynamic-string.h"
27 #include "poll-loop.h"
35 VLOG_DEFINE_THIS_MODULE(lacp
);
37 /* Masks for lacp_info state member. */
38 #define LACP_STATE_ACT 0x01 /* Activity. Active or passive? */
39 #define LACP_STATE_TIME 0x02 /* Timeout. Short or long timeout? */
40 #define LACP_STATE_AGG 0x04 /* Aggregation. Is the link is bondable? */
41 #define LACP_STATE_SYNC 0x08 /* Synchronization. Is the link in up to date? */
42 #define LACP_STATE_COL 0x10 /* Collecting. Is the link receiving frames? */
43 #define LACP_STATE_DIST 0x20 /* Distributing. Is the link sending frames? */
44 #define LACP_STATE_DEF 0x40 /* Defaulted. Using default partner info? */
45 #define LACP_STATE_EXP 0x80 /* Expired. Using expired partner info? */
47 #define LACP_FAST_TIME_TX 1000 /* Fast transmission rate. */
48 #define LACP_SLOW_TIME_TX 30000 /* Slow transmission rate. */
49 #define LACP_RX_MULTIPLIER 3 /* Multiply by TX rate to get RX rate. */
51 #define LACP_INFO_LEN 15
54 ovs_be16 sys_priority
; /* System priority. */
55 uint8_t sys_id
[ETH_ADDR_LEN
]; /* System ID. */
56 ovs_be16 key
; /* Operational key. */
57 ovs_be16 port_priority
; /* Port priority. */
58 ovs_be16 port_id
; /* Port ID. */
59 uint8_t state
; /* State mask. See LACP_STATE macros. */
61 BUILD_ASSERT_DECL(LACP_INFO_LEN
== sizeof(struct lacp_info
));
63 #define LACP_PDU_LEN 110
66 uint8_t subtype
; /* Always 1. */
67 uint8_t version
; /* Always 1. */
69 uint8_t actor_type
; /* Always 1. */
70 uint8_t actor_len
; /* Always 20. */
71 struct lacp_info actor
; /* LACP actor information. */
72 uint8_t z1
[3]; /* Reserved. Always 0. */
74 uint8_t partner_type
; /* Always 2. */
75 uint8_t partner_len
; /* Always 20. */
76 struct lacp_info partner
; /* LACP partner information. */
77 uint8_t z2
[3]; /* Reserved. Always 0. */
79 uint8_t collector_type
; /* Always 3. */
80 uint8_t collector_len
; /* Always 16. */
81 ovs_be16 collector_delay
; /* Maximum collector delay. Set to UINT16_MAX. */
82 uint8_t z3
[64]; /* Combination of several fields. Always 0. */
84 BUILD_ASSERT_DECL(LACP_PDU_LEN
== sizeof(struct lacp_pdu
));
89 LACP_CURRENT
, /* Current State. Partner up to date. */
90 LACP_EXPIRED
, /* Expired State. Partner out of date. */
91 LACP_DEFAULTED
, /* Defaulted State. No partner. */
95 struct list node
; /* Node in all_lacps list. */
96 char *name
; /* Name of this lacp object. */
97 uint8_t sys_id
[ETH_ADDR_LEN
]; /* System ID. */
98 uint16_t sys_priority
; /* System Priority. */
99 bool active
; /* Active or Passive. */
101 struct hmap slaves
; /* Slaves this LACP object controls. */
102 struct slave
*key_slave
; /* Slave whose ID will be the aggregation key. */
104 bool fast
; /* True if using fast probe interval. */
105 bool negotiated
; /* True if LACP negotiations were successful. */
106 bool update
; /* True if lacp_update() needs to be called. */
107 bool fallback_ab
; /* True if fallback to active-backup on LACP failure. */
109 struct ovs_refcount ref_cnt
;
113 void *aux
; /* Handle used to identify this slave. */
114 struct hmap_node node
; /* Node in master's slaves map. */
116 struct lacp
*lacp
; /* LACP object containing this slave. */
117 uint16_t port_id
; /* Port ID. */
118 uint16_t port_priority
; /* Port Priority. */
119 uint16_t key
; /* Aggregation Key. 0 if default. */
120 char *name
; /* Name of this slave. */
122 enum slave_status status
; /* Slave status. */
123 bool attached
; /* Attached. Traffic may flow. */
124 struct lacp_info partner
; /* Partner information. */
125 struct lacp_info ntt_actor
; /* Used to decide if we Need To Transmit. */
126 struct timer tx
; /* Next message transmission timer. */
127 struct timer rx
; /* Expected message receive timer. */
130 static struct ovs_mutex mutex
;
131 static struct list all_lacps__
= LIST_INITIALIZER(&all_lacps__
);
132 static struct list
*const all_lacps
OVS_GUARDED_BY(mutex
) = &all_lacps__
;
134 static void lacp_update_attached(struct lacp
*) OVS_REQUIRES(mutex
);
136 static void slave_destroy(struct slave
*) OVS_REQUIRES(mutex
);
137 static void slave_set_defaulted(struct slave
*) OVS_REQUIRES(mutex
);
138 static void slave_set_expired(struct slave
*) OVS_REQUIRES(mutex
);
139 static void slave_get_actor(struct slave
*, struct lacp_info
*actor
)
141 static void slave_get_priority(struct slave
*, struct lacp_info
*priority
)
143 static bool slave_may_tx(const struct slave
*)
145 static struct slave
*slave_lookup(const struct lacp
*, const void *slave
)
147 static bool info_tx_equal(struct lacp_info
*, struct lacp_info
*)
150 static unixctl_cb_func lacp_unixctl_show
;
152 /* Populates 'pdu' with a LACP PDU comprised of 'actor' and 'partner'. */
154 compose_lacp_pdu(const struct lacp_info
*actor
,
155 const struct lacp_info
*partner
, struct lacp_pdu
*pdu
)
157 memset(pdu
, 0, sizeof *pdu
);
166 pdu
->partner_type
= 2;
167 pdu
->partner_len
= 20;
168 pdu
->partner
= *partner
;
170 pdu
->collector_type
= 3;
171 pdu
->collector_len
= 16;
172 pdu
->collector_delay
= htons(0);
175 /* Parses 'b' which represents a packet containing a LACP PDU. This function
176 * returns NULL if 'b' is malformed, or does not represent a LACP PDU format
177 * supported by OVS. Otherwise, it returns a pointer to the lacp_pdu contained
179 static const struct lacp_pdu
*
180 parse_lacp_packet(const struct ofpbuf
*b
)
182 const struct lacp_pdu
*pdu
;
184 pdu
= ofpbuf_at(b
, (uint8_t *)ofpbuf_get_l3(b
) - (uint8_t *)b
->data
,
187 if (pdu
&& pdu
->subtype
== 1
188 && pdu
->actor_type
== 1 && pdu
->actor_len
== 20
189 && pdu
->partner_type
== 2 && pdu
->partner_len
== 20) {
196 /* LACP Protocol Implementation. */
198 /* Initializes the lacp module. */
202 unixctl_command_register("lacp/show", "[port]", 0, 1,
203 lacp_unixctl_show
, NULL
);
206 /* Creates a LACP object. */
208 lacp_create(void) OVS_EXCLUDED(mutex
)
210 static struct ovsthread_once once
= OVSTHREAD_ONCE_INITIALIZER
;
213 if (ovsthread_once_start(&once
)) {
214 ovs_mutex_init_recursive(&mutex
);
215 ovsthread_once_done(&once
);
218 lacp
= xzalloc(sizeof *lacp
);
219 hmap_init(&lacp
->slaves
);
220 ovs_refcount_init(&lacp
->ref_cnt
);
222 ovs_mutex_lock(&mutex
);
223 list_push_back(all_lacps
, &lacp
->node
);
224 ovs_mutex_unlock(&mutex
);
229 lacp_ref(const struct lacp
*lacp_
)
231 struct lacp
*lacp
= CONST_CAST(struct lacp
*, lacp_
);
233 ovs_refcount_ref(&lacp
->ref_cnt
);
238 /* Destroys 'lacp' and its slaves. Does nothing if 'lacp' is NULL. */
240 lacp_unref(struct lacp
*lacp
) OVS_EXCLUDED(mutex
)
242 if (lacp
&& ovs_refcount_unref(&lacp
->ref_cnt
) == 1) {
243 struct slave
*slave
, *next
;
245 ovs_mutex_lock(&mutex
);
246 HMAP_FOR_EACH_SAFE (slave
, next
, node
, &lacp
->slaves
) {
247 slave_destroy(slave
);
250 hmap_destroy(&lacp
->slaves
);
251 list_remove(&lacp
->node
);
254 ovs_mutex_unlock(&mutex
);
258 /* Configures 'lacp' with settings from 's'. */
260 lacp_configure(struct lacp
*lacp
, const struct lacp_settings
*s
)
263 ovs_assert(!eth_addr_is_zero(s
->id
));
265 ovs_mutex_lock(&mutex
);
266 if (!lacp
->name
|| strcmp(s
->name
, lacp
->name
)) {
268 lacp
->name
= xstrdup(s
->name
);
271 if (!eth_addr_equals(lacp
->sys_id
, s
->id
)
272 || lacp
->sys_priority
!= s
->priority
) {
273 memcpy(lacp
->sys_id
, s
->id
, ETH_ADDR_LEN
);
274 lacp
->sys_priority
= s
->priority
;
278 lacp
->active
= s
->active
;
279 lacp
->fast
= s
->fast
;
281 if (lacp
->fallback_ab
!= s
->fallback_ab_cfg
) {
282 lacp
->fallback_ab
= s
->fallback_ab_cfg
;
286 ovs_mutex_unlock(&mutex
);
289 /* Returns true if 'lacp' is configured in active mode, false if 'lacp' is
290 * configured for passive mode. */
292 lacp_is_active(const struct lacp
*lacp
) OVS_EXCLUDED(mutex
)
295 ovs_mutex_lock(&mutex
);
297 ovs_mutex_unlock(&mutex
);
301 /* Processes 'packet' which was received on 'slave_'. This function should be
302 * called on all packets received on 'slave_' with Ethernet Type ETH_TYPE_LACP.
305 lacp_process_packet(struct lacp
*lacp
, const void *slave_
,
306 const struct ofpbuf
*packet
)
309 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
310 const struct lacp_pdu
*pdu
;
311 long long int tx_rate
;
314 ovs_mutex_lock(&mutex
);
315 slave
= slave_lookup(lacp
, slave_
);
320 pdu
= parse_lacp_packet(packet
);
322 VLOG_WARN_RL(&rl
, "%s: received an unparsable LACP PDU.", lacp
->name
);
326 slave
->status
= LACP_CURRENT
;
327 tx_rate
= lacp
->fast
? LACP_FAST_TIME_TX
: LACP_SLOW_TIME_TX
;
328 timer_set_duration(&slave
->rx
, LACP_RX_MULTIPLIER
* tx_rate
);
330 slave
->ntt_actor
= pdu
->partner
;
332 /* Update our information about our partner if it's out of date. This may
333 * cause priorities to change so re-calculate attached status of all
335 if (memcmp(&slave
->partner
, &pdu
->actor
, sizeof pdu
->actor
)) {
337 slave
->partner
= pdu
->actor
;
341 ovs_mutex_unlock(&mutex
);
344 /* Returns the lacp_status of the given 'lacp' object (which may be NULL). */
346 lacp_status(const struct lacp
*lacp
) OVS_EXCLUDED(mutex
)
348 enum lacp_status ret
;
350 ovs_mutex_lock(&mutex
);
353 } else if (lacp
->negotiated
) {
354 ret
= LACP_NEGOTIATED
;
356 ret
= LACP_CONFIGURED
;
358 ovs_mutex_unlock(&mutex
);
362 /* Registers 'slave_' as subordinate to 'lacp'. This should be called at least
363 * once per slave in a LACP managed bond. Should also be called whenever a
364 * slave's settings change. */
366 lacp_slave_register(struct lacp
*lacp
, void *slave_
,
367 const struct lacp_slave_settings
*s
)
372 ovs_mutex_lock(&mutex
);
373 slave
= slave_lookup(lacp
, slave_
);
375 slave
= xzalloc(sizeof *slave
);
378 hmap_insert(&lacp
->slaves
, &slave
->node
, hash_pointer(slave_
, 0));
379 slave_set_defaulted(slave
);
381 if (!lacp
->key_slave
) {
382 lacp
->key_slave
= slave
;
386 if (!slave
->name
|| strcmp(s
->name
, slave
->name
)) {
388 slave
->name
= xstrdup(s
->name
);
391 if (slave
->port_id
!= s
->id
392 || slave
->port_priority
!= s
->priority
393 || slave
->key
!= s
->key
) {
394 slave
->port_id
= s
->id
;
395 slave
->port_priority
= s
->priority
;
400 if (lacp
->active
|| lacp
->negotiated
) {
401 slave_set_expired(slave
);
404 ovs_mutex_unlock(&mutex
);
407 /* Unregisters 'slave_' with 'lacp'. */
409 lacp_slave_unregister(struct lacp
*lacp
, const void *slave_
)
414 ovs_mutex_lock(&mutex
);
415 slave
= slave_lookup(lacp
, slave_
);
417 slave_destroy(slave
);
420 ovs_mutex_unlock(&mutex
);
423 /* This function should be called whenever the carrier status of 'slave_' has
424 * changed. If 'lacp' is null, this function has no effect.*/
426 lacp_slave_carrier_changed(const struct lacp
*lacp
, const void *slave_
)
434 ovs_mutex_lock(&mutex
);
435 slave
= slave_lookup(lacp
, slave_
);
440 if (slave
->status
== LACP_CURRENT
|| slave
->lacp
->active
) {
441 slave_set_expired(slave
);
445 ovs_mutex_unlock(&mutex
);
449 slave_may_enable__(struct slave
*slave
) OVS_REQUIRES(mutex
)
451 /* The slave may be enabled if it's attached to an aggregator and its
452 * partner is synchronized.*/
453 return slave
->attached
&& (slave
->partner
.state
& LACP_STATE_SYNC
454 || (slave
->lacp
&& slave
->lacp
->fallback_ab
455 && slave
->status
== LACP_DEFAULTED
));
458 /* This function should be called before enabling 'slave_' to send or receive
459 * traffic. If it returns false, 'slave_' should not enabled. As a
460 * convenience, returns true if 'lacp' is NULL. */
462 lacp_slave_may_enable(const struct lacp
*lacp
, const void *slave_
)
469 ovs_mutex_lock(&mutex
);
470 slave
= slave_lookup(lacp
, slave_
);
471 ret
= slave
? slave_may_enable__(slave
) : false;
472 ovs_mutex_unlock(&mutex
);
479 /* Returns true if partner information on 'slave_' is up to date. 'slave_'
480 * not being current, generally indicates a connectivity problem, or a
481 * misconfigured (or broken) partner. */
483 lacp_slave_is_current(const struct lacp
*lacp
, const void *slave_
)
489 ovs_mutex_lock(&mutex
);
490 slave
= slave_lookup(lacp
, slave_
);
491 ret
= slave
? slave
->status
!= LACP_DEFAULTED
: false;
492 ovs_mutex_unlock(&mutex
);
496 /* This function should be called periodically to update 'lacp'. */
498 lacp_run(struct lacp
*lacp
, lacp_send_pdu
*send_pdu
) OVS_EXCLUDED(mutex
)
502 ovs_mutex_lock(&mutex
);
503 HMAP_FOR_EACH (slave
, node
, &lacp
->slaves
) {
504 if (timer_expired(&slave
->rx
)) {
505 enum slave_status old_status
= slave
->status
;
507 if (slave
->status
== LACP_CURRENT
) {
508 slave_set_expired(slave
);
509 } else if (slave
->status
== LACP_EXPIRED
) {
510 slave_set_defaulted(slave
);
512 if (slave
->status
!= old_status
) {
513 seq_change(connectivity_seq_get());
519 lacp_update_attached(lacp
);
522 HMAP_FOR_EACH (slave
, node
, &lacp
->slaves
) {
523 struct lacp_info actor
;
525 if (!slave_may_tx(slave
)) {
529 slave_get_actor(slave
, &actor
);
531 if (timer_expired(&slave
->tx
)
532 || !info_tx_equal(&actor
, &slave
->ntt_actor
)) {
533 long long int duration
;
536 slave
->ntt_actor
= actor
;
537 compose_lacp_pdu(&actor
, &slave
->partner
, &pdu
);
538 send_pdu(slave
->aux
, &pdu
, sizeof pdu
);
540 duration
= (slave
->partner
.state
& LACP_STATE_TIME
542 : LACP_SLOW_TIME_TX
);
544 timer_set_duration(&slave
->tx
, duration
);
545 seq_change(connectivity_seq_get());
548 ovs_mutex_unlock(&mutex
);
551 /* Causes poll_block() to wake up when lacp_run() needs to be called again. */
553 lacp_wait(struct lacp
*lacp
) OVS_EXCLUDED(mutex
)
557 ovs_mutex_lock(&mutex
);
558 HMAP_FOR_EACH (slave
, node
, &lacp
->slaves
) {
559 if (slave_may_tx(slave
)) {
560 timer_wait(&slave
->tx
);
563 if (slave
->status
!= LACP_DEFAULTED
) {
564 timer_wait(&slave
->rx
);
567 ovs_mutex_unlock(&mutex
);
570 /* Static Helpers. */
572 /* Updates the attached status of all slaves controlled by 'lacp' and sets its
573 * negotiated parameter to true if any slaves are attachable. */
575 lacp_update_attached(struct lacp
*lacp
) OVS_REQUIRES(mutex
)
577 struct slave
*lead
, *slave
;
578 struct lacp_info lead_pri
;
579 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
581 lacp
->update
= false;
584 HMAP_FOR_EACH (slave
, node
, &lacp
->slaves
) {
585 struct lacp_info pri
;
587 slave
->attached
= false;
589 /* XXX: In the future allow users to configure the expected system ID.
590 * For now just special case loopback. */
591 if (eth_addr_equals(slave
->partner
.sys_id
, slave
->lacp
->sys_id
)) {
592 VLOG_WARN_RL(&rl
, "slave %s: Loopback detected. Slave is "
593 "connected to its own bond", slave
->name
);
597 if (slave
->status
== LACP_DEFAULTED
) {
598 if (lacp
->fallback_ab
) {
599 slave
->attached
= true;
604 slave
->attached
= true;
605 slave_get_priority(slave
, &pri
);
607 if (!lead
|| memcmp(&pri
, &lead_pri
, sizeof pri
) < 0) {
613 lacp
->negotiated
= lead
!= NULL
;
616 HMAP_FOR_EACH (slave
, node
, &lacp
->slaves
) {
617 if ((lacp
->fallback_ab
&& slave
->status
== LACP_DEFAULTED
)
618 || lead
->partner
.key
!= slave
->partner
.key
619 || !eth_addr_equals(lead
->partner
.sys_id
,
620 slave
->partner
.sys_id
)) {
621 slave
->attached
= false;
628 slave_destroy(struct slave
*slave
) OVS_REQUIRES(mutex
)
631 struct lacp
*lacp
= slave
->lacp
;
634 hmap_remove(&lacp
->slaves
, &slave
->node
);
636 if (lacp
->key_slave
== slave
) {
637 struct hmap_node
*slave_node
= hmap_first(&lacp
->slaves
);
640 lacp
->key_slave
= CONTAINER_OF(slave_node
, struct slave
, node
);
642 lacp
->key_slave
= NULL
;
652 slave_set_defaulted(struct slave
*slave
) OVS_REQUIRES(mutex
)
654 memset(&slave
->partner
, 0, sizeof slave
->partner
);
656 slave
->lacp
->update
= true;
657 slave
->status
= LACP_DEFAULTED
;
661 slave_set_expired(struct slave
*slave
) OVS_REQUIRES(mutex
)
663 slave
->status
= LACP_EXPIRED
;
664 slave
->partner
.state
|= LACP_STATE_TIME
;
665 slave
->partner
.state
&= ~LACP_STATE_SYNC
;
667 timer_set_duration(&slave
->rx
, LACP_RX_MULTIPLIER
* LACP_FAST_TIME_TX
);
671 slave_get_actor(struct slave
*slave
, struct lacp_info
*actor
)
674 struct lacp
*lacp
= slave
->lacp
;
679 state
|= LACP_STATE_ACT
;
683 state
|= LACP_STATE_TIME
;
686 if (slave
->attached
) {
687 state
|= LACP_STATE_SYNC
;
690 if (slave
->status
== LACP_DEFAULTED
) {
691 state
|= LACP_STATE_DEF
;
694 if (slave
->status
== LACP_EXPIRED
) {
695 state
|= LACP_STATE_EXP
;
698 if (hmap_count(&lacp
->slaves
) > 1) {
699 state
|= LACP_STATE_AGG
;
702 if (slave
->attached
|| !lacp
->negotiated
) {
703 state
|= LACP_STATE_COL
| LACP_STATE_DIST
;
706 key
= lacp
->key_slave
->key
;
708 key
= lacp
->key_slave
->port_id
;
711 actor
->state
= state
;
712 actor
->key
= htons(key
);
713 actor
->port_priority
= htons(slave
->port_priority
);
714 actor
->port_id
= htons(slave
->port_id
);
715 actor
->sys_priority
= htons(lacp
->sys_priority
);
716 memcpy(&actor
->sys_id
, lacp
->sys_id
, ETH_ADDR_LEN
);
719 /* Given 'slave', populates 'priority' with data representing its LACP link
720 * priority. If two priority objects populated by this function are compared
721 * using memcmp, the higher priority link will be less than the lower priority
724 slave_get_priority(struct slave
*slave
, struct lacp_info
*priority
)
727 uint16_t partner_priority
, actor_priority
;
729 /* Choose the lacp_info of the higher priority system by comparing their
730 * system priorities and mac addresses. */
731 actor_priority
= slave
->lacp
->sys_priority
;
732 partner_priority
= ntohs(slave
->partner
.sys_priority
);
733 if (actor_priority
< partner_priority
) {
734 slave_get_actor(slave
, priority
);
735 } else if (partner_priority
< actor_priority
) {
736 *priority
= slave
->partner
;
737 } else if (eth_addr_compare_3way(slave
->lacp
->sys_id
,
738 slave
->partner
.sys_id
) < 0) {
739 slave_get_actor(slave
, priority
);
741 *priority
= slave
->partner
;
744 /* Key and state are not used in priority comparisons. */
750 slave_may_tx(const struct slave
*slave
) OVS_REQUIRES(mutex
)
752 return slave
->lacp
->active
|| slave
->status
!= LACP_DEFAULTED
;
755 static struct slave
*
756 slave_lookup(const struct lacp
*lacp
, const void *slave_
) OVS_REQUIRES(mutex
)
760 HMAP_FOR_EACH_IN_BUCKET (slave
, node
, hash_pointer(slave_
, 0),
762 if (slave
->aux
== slave_
) {
770 /* Two lacp_info structures are tx_equal if and only if they do not differ in
771 * ways which would require a lacp_pdu transmission. */
773 info_tx_equal(struct lacp_info
*a
, struct lacp_info
*b
)
776 /* LACP specification dictates that we transmit whenever the actor and
777 * remote_actor differ in the following fields: Port, Port Priority,
778 * System, System Priority, Aggregation Key, Activity State, Timeout State,
779 * Sync State, and Aggregation State. The state flags are most likely to
780 * change so are checked first. */
781 return !((a
->state
^ b
->state
) & (LACP_STATE_ACT
785 && a
->port_id
== b
->port_id
786 && a
->port_priority
== b
->port_priority
788 && a
->sys_priority
== b
->sys_priority
789 && eth_addr_equals(a
->sys_id
, b
->sys_id
);
793 lacp_find(const char *name
) OVS_REQUIRES(mutex
)
797 LIST_FOR_EACH (lacp
, node
, all_lacps
) {
798 if (!strcmp(lacp
->name
, name
)) {
807 ds_put_lacp_state(struct ds
*ds
, uint8_t state
)
809 if (state
& LACP_STATE_ACT
) {
810 ds_put_cstr(ds
, " activity");
813 if (state
& LACP_STATE_TIME
) {
814 ds_put_cstr(ds
, " timeout");
817 if (state
& LACP_STATE_AGG
) {
818 ds_put_cstr(ds
, " aggregation");
821 if (state
& LACP_STATE_SYNC
) {
822 ds_put_cstr(ds
, " synchronized");
825 if (state
& LACP_STATE_COL
) {
826 ds_put_cstr(ds
, " collecting");
829 if (state
& LACP_STATE_DIST
) {
830 ds_put_cstr(ds
, " distributing");
833 if (state
& LACP_STATE_DEF
) {
834 ds_put_cstr(ds
, " defaulted");
837 if (state
& LACP_STATE_EXP
) {
838 ds_put_cstr(ds
, " expired");
843 lacp_print_details(struct ds
*ds
, struct lacp
*lacp
) OVS_REQUIRES(mutex
)
845 struct shash slave_shash
= SHASH_INITIALIZER(&slave_shash
);
846 const struct shash_node
**sorted_slaves
= NULL
;
851 ds_put_format(ds
, "---- %s ----\n", lacp
->name
);
852 ds_put_format(ds
, "\tstatus: %s", lacp
->active
? "active" : "passive");
853 if (lacp
->negotiated
) {
854 ds_put_cstr(ds
, " negotiated");
856 ds_put_cstr(ds
, "\n");
858 ds_put_format(ds
, "\tsys_id: " ETH_ADDR_FMT
"\n", ETH_ADDR_ARGS(lacp
->sys_id
));
859 ds_put_format(ds
, "\tsys_priority: %u\n", lacp
->sys_priority
);
860 ds_put_cstr(ds
, "\taggregation key: ");
861 if (lacp
->key_slave
) {
862 ds_put_format(ds
, "%u", lacp
->key_slave
->key
863 ? lacp
->key_slave
->key
864 : lacp
->key_slave
->port_id
);
866 ds_put_cstr(ds
, "none");
868 ds_put_cstr(ds
, "\n");
870 ds_put_cstr(ds
, "\tlacp_time: ");
872 ds_put_cstr(ds
, "fast\n");
874 ds_put_cstr(ds
, "slow\n");
877 HMAP_FOR_EACH (slave
, node
, &lacp
->slaves
) {
878 shash_add(&slave_shash
, slave
->name
, slave
);
880 sorted_slaves
= shash_sort(&slave_shash
);
882 for (i
= 0; i
< shash_count(&slave_shash
); i
++) {
884 struct lacp_info actor
;
886 slave
= sorted_slaves
[i
]->data
;
887 slave_get_actor(slave
, &actor
);
888 switch (slave
->status
) {
896 status
= "defaulted";
902 ds_put_format(ds
, "\nslave: %s: %s %s\n", slave
->name
, status
,
903 slave
->attached
? "attached" : "detached");
904 ds_put_format(ds
, "\tport_id: %u\n", slave
->port_id
);
905 ds_put_format(ds
, "\tport_priority: %u\n", slave
->port_priority
);
906 ds_put_format(ds
, "\tmay_enable: %s\n", (slave_may_enable__(slave
)
907 ? "true" : "false"));
909 ds_put_format(ds
, "\n\tactor sys_id: " ETH_ADDR_FMT
"\n",
910 ETH_ADDR_ARGS(actor
.sys_id
));
911 ds_put_format(ds
, "\tactor sys_priority: %u\n",
912 ntohs(actor
.sys_priority
));
913 ds_put_format(ds
, "\tactor port_id: %u\n",
914 ntohs(actor
.port_id
));
915 ds_put_format(ds
, "\tactor port_priority: %u\n",
916 ntohs(actor
.port_priority
));
917 ds_put_format(ds
, "\tactor key: %u\n",
919 ds_put_cstr(ds
, "\tactor state:");
920 ds_put_lacp_state(ds
, actor
.state
);
921 ds_put_cstr(ds
, "\n\n");
923 ds_put_format(ds
, "\tpartner sys_id: " ETH_ADDR_FMT
"\n",
924 ETH_ADDR_ARGS(slave
->partner
.sys_id
));
925 ds_put_format(ds
, "\tpartner sys_priority: %u\n",
926 ntohs(slave
->partner
.sys_priority
));
927 ds_put_format(ds
, "\tpartner port_id: %u\n",
928 ntohs(slave
->partner
.port_id
));
929 ds_put_format(ds
, "\tpartner port_priority: %u\n",
930 ntohs(slave
->partner
.port_priority
));
931 ds_put_format(ds
, "\tpartner key: %u\n",
932 ntohs(slave
->partner
.key
));
933 ds_put_cstr(ds
, "\tpartner state:");
934 ds_put_lacp_state(ds
, slave
->partner
.state
);
935 ds_put_cstr(ds
, "\n");
938 shash_destroy(&slave_shash
);
943 lacp_unixctl_show(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
944 void *aux OVS_UNUSED
) OVS_EXCLUDED(mutex
)
946 struct ds ds
= DS_EMPTY_INITIALIZER
;
949 ovs_mutex_lock(&mutex
);
951 lacp
= lacp_find(argv
[1]);
953 unixctl_command_reply_error(conn
, "no such lacp object");
956 lacp_print_details(&ds
, lacp
);
958 LIST_FOR_EACH (lacp
, node
, all_lacps
) {
959 lacp_print_details(&ds
, lacp
);
963 unixctl_command_reply(conn
, ds_cstr(&ds
));
967 ovs_mutex_unlock(&mutex
);