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38 #include <rte_alarm.h>
39 #include <rte_malloc.h>
40 #include <rte_errno.h>
41 #include <rte_cycles.h>
42 #include <rte_compat.h>
44 #include "rte_eth_bond_private.h"
46 static void bond_mode_8023ad_ext_periodic_cb(void *arg);
48 #ifdef RTE_LIBRTE_BOND_DEBUG_8023AD
49 #define MODE4_DEBUG(fmt, ...) RTE_LOG(DEBUG, PMD, "%6u [Port %u: %s] " fmt, \
50 bond_dbg_get_time_diff_ms(), slave_id, \
51 __func__, ##__VA_ARGS__)
53 static uint64_t start_time;
56 bond_dbg_get_time_diff_ms(void)
64 return ((now - start_time) * 1000) / rte_get_tsc_hz();
68 bond_print_lacp(struct lacpdu *l)
72 char a_state[256] = { 0 };
73 char p_state[256] = { 0 };
75 static const char * const state_labels[] = {
76 "ACT", "TIMEOUT", "AGG", "SYNC", "COL", "DIST", "DEF", "EXP"
84 addr = l->actor.port_params.system.addr_bytes;
85 snprintf(a_address, sizeof(a_address), "%02X:%02X:%02X:%02X:%02X:%02X",
86 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
88 addr = l->partner.port_params.system.addr_bytes;
89 snprintf(p_address, sizeof(p_address), "%02X:%02X:%02X:%02X:%02X:%02X",
90 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
92 for (i = 0; i < 8; i++) {
93 if ((l->actor.state >> i) & 1) {
94 a_len += snprintf(&a_state[a_len], RTE_DIM(a_state) - a_len, "%s ",
98 if ((l->partner.state >> i) & 1) {
99 p_len += snprintf(&p_state[p_len], RTE_DIM(p_state) - p_len, "%s ",
104 if (a_len && a_state[a_len-1] == ' ')
105 a_state[a_len-1] = '\0';
107 if (p_len && p_state[p_len-1] == ' ')
108 p_state[p_len-1] = '\0';
110 RTE_LOG(DEBUG, PMD, "LACP: {\n"\
113 " actor={ tlv=%02X, len=%02X\n"\
114 " pri=%04X, system=%s, key=%04X, p_pri=%04X p_num=%04X\n"\
117 " partner={ tlv=%02X, len=%02X\n"\
118 " pri=%04X, system=%s, key=%04X, p_pri=%04X p_num=%04X\n"\
121 " collector={info=%02X, length=%02X, max_delay=%04X\n, " \
122 "type_term=%02X, terminator_length = %02X}\n",\
125 l->actor.tlv_type_info,\
126 l->actor.info_length,\
127 l->actor.port_params.system_priority,\
129 l->actor.port_params.key,\
130 l->actor.port_params.port_priority,\
131 l->actor.port_params.port_number,\
133 l->partner.tlv_type_info,\
134 l->partner.info_length,\
135 l->partner.port_params.system_priority,\
137 l->partner.port_params.key,\
138 l->partner.port_params.port_priority,\
139 l->partner.port_params.port_number,\
141 l->tlv_type_collector_info,\
142 l->collector_info_length,\
143 l->collector_max_delay,\
144 l->tlv_type_terminator,\
145 l->terminator_length);
148 #define BOND_PRINT_LACP(lacpdu) bond_print_lacp(lacpdu)
150 #define BOND_PRINT_LACP(lacpdu) do { } while (0)
151 #define MODE4_DEBUG(fmt, ...) do { } while (0)
154 static const struct ether_addr lacp_mac_addr = {
155 .addr_bytes = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x02 }
158 struct port mode_8023ad_ports[RTE_MAX_ETHPORTS];
161 timer_cancel(uint64_t *timer)
167 timer_set(uint64_t *timer, uint64_t timeout)
169 *timer = rte_rdtsc() + timeout;
172 /* Forces given timer to be in expired state. */
174 timer_force_expired(uint64_t *timer)
176 *timer = rte_rdtsc();
180 timer_is_stopped(uint64_t *timer)
186 timer_is_expired(uint64_t *timer)
188 return *timer < rte_rdtsc();
191 /* Timer is in running state if it is not stopped nor expired */
193 timer_is_running(uint64_t *timer)
195 return !timer_is_stopped(timer) && !timer_is_expired(timer);
199 set_warning_flags(struct port *port, uint16_t flags)
203 uint16_t new_flag = 0;
206 old = port->warnings_to_show;
207 new_flag = old | flags;
208 retval = rte_atomic16_cmpset(&port->warnings_to_show, old, new_flag);
209 } while (unlikely(retval == 0));
213 show_warnings(uint8_t slave_id)
215 struct port *port = &mode_8023ad_ports[slave_id];
219 warnings = port->warnings_to_show;
220 } while (rte_atomic16_cmpset(&port->warnings_to_show, warnings, 0) == 0);
225 if (!timer_is_expired(&port->warning_timer))
229 timer_set(&port->warning_timer, BOND_8023AD_WARNINGS_PERIOD_MS *
230 rte_get_tsc_hz() / 1000);
232 if (warnings & WRN_RX_QUEUE_FULL) {
234 "Slave %u: failed to enqueue LACP packet into RX ring.\n"
235 "Receive and transmit functions must be invoked on bonded\n"
236 "interface at least 10 times per second or LACP will not\n"
237 "work correctly\n", slave_id);
240 if (warnings & WRN_TX_QUEUE_FULL) {
242 "Slave %u: failed to enqueue LACP packet into TX ring.\n"
243 "Receive and transmit functions must be invoked on bonded\n"
244 "interface at least 10 times per second or LACP will not\n"
245 "work correctly\n", slave_id);
248 if (warnings & WRN_RX_MARKER_TO_FAST)
249 RTE_LOG(INFO, PMD, "Slave %u: marker to early - ignoring.\n", slave_id);
251 if (warnings & WRN_UNKNOWN_SLOW_TYPE) {
253 "Slave %u: ignoring unknown slow protocol frame type", slave_id);
256 if (warnings & WRN_UNKNOWN_MARKER_TYPE)
257 RTE_LOG(INFO, PMD, "Slave %u: ignoring unknown marker type", slave_id);
259 if (warnings & WRN_NOT_LACP_CAPABLE)
260 MODE4_DEBUG("Port %u is not LACP capable!\n", slave_id);
264 record_default(struct port *port)
266 /* Record default parameters for partner. Partner admin parameters
267 * are not implemented so set them to arbitrary default (last known) and
268 * mark actor that parner is in defaulted state. */
269 port->partner_state = STATE_LACP_ACTIVE;
270 ACTOR_STATE_SET(port, DEFAULTED);
273 /** Function handles rx state machine.
275 * This function implements Receive State Machine from point 5.4.12 in
276 * 802.1AX documentation. It should be called periodically.
278 * @param lacpdu LACPDU received.
279 * @param port Port on which LACPDU was received.
282 rx_machine(struct bond_dev_private *internals, uint8_t slave_id,
285 struct port *agg, *port = &mode_8023ad_ports[slave_id];
288 if (SM_FLAG(port, BEGIN)) {
289 /* Initialize stuff */
290 MODE4_DEBUG("-> INITIALIZE\n");
291 SM_FLAG_CLR(port, MOVED);
292 port->selected = UNSELECTED;
294 record_default(port);
296 ACTOR_STATE_CLR(port, EXPIRED);
297 timer_cancel(&port->current_while_timer);
299 /* DISABLED: On initialization partner is out of sync */
300 PARTNER_STATE_CLR(port, SYNCHRONIZATION);
302 /* LACP DISABLED stuff if LACP not enabled on this port */
303 if (!SM_FLAG(port, LACP_ENABLED))
304 PARTNER_STATE_CLR(port, AGGREGATION);
306 PARTNER_STATE_SET(port, AGGREGATION);
309 if (!SM_FLAG(port, LACP_ENABLED)) {
310 /* Update parameters only if state changed */
311 if (!timer_is_stopped(&port->current_while_timer)) {
312 port->selected = UNSELECTED;
313 record_default(port);
314 PARTNER_STATE_CLR(port, AGGREGATION);
315 ACTOR_STATE_CLR(port, EXPIRED);
316 timer_cancel(&port->current_while_timer);
322 MODE4_DEBUG("LACP -> CURRENT\n");
323 BOND_PRINT_LACP(lacp);
324 /* Update selected flag. If partner parameters are defaulted assume they
325 * are match. If not defaulted compare LACP actor with ports parner
327 if (!ACTOR_STATE(port, DEFAULTED) &&
328 (ACTOR_STATE(port, AGGREGATION) != PARTNER_STATE(port, AGGREGATION)
329 || memcmp(&port->partner, &lacp->actor.port_params,
330 sizeof(port->partner)) != 0)) {
331 MODE4_DEBUG("selected <- UNSELECTED\n");
332 port->selected = UNSELECTED;
335 /* Record this PDU actor params as partner params */
336 memcpy(&port->partner, &lacp->actor.port_params,
337 sizeof(struct port_params));
338 port->partner_state = lacp->actor.state;
340 /* Partner parameters are not defaulted any more */
341 ACTOR_STATE_CLR(port, DEFAULTED);
343 /* If LACP partner params match this port actor params */
344 agg = &mode_8023ad_ports[port->aggregator_port_id];
345 bool match = port->actor.system_priority ==
346 lacp->partner.port_params.system_priority &&
347 is_same_ether_addr(&agg->actor.system,
348 &lacp->partner.port_params.system) &&
349 port->actor.port_priority ==
350 lacp->partner.port_params.port_priority &&
351 port->actor.port_number ==
352 lacp->partner.port_params.port_number;
354 /* Update NTT if partners information are outdated (xored and masked
356 uint8_t state_mask = STATE_LACP_ACTIVE | STATE_LACP_SHORT_TIMEOUT |
357 STATE_SYNCHRONIZATION | STATE_AGGREGATION;
359 if (((port->actor_state ^ lacp->partner.state) & state_mask) ||
361 SM_FLAG_SET(port, NTT);
364 /* If LACP partner params match this port actor params */
365 if (match == true && ACTOR_STATE(port, AGGREGATION) ==
366 PARTNER_STATE(port, AGGREGATION))
367 PARTNER_STATE_SET(port, SYNCHRONIZATION);
368 else if (!PARTNER_STATE(port, AGGREGATION) && ACTOR_STATE(port,
370 PARTNER_STATE_SET(port, SYNCHRONIZATION);
372 PARTNER_STATE_CLR(port, SYNCHRONIZATION);
374 if (ACTOR_STATE(port, LACP_SHORT_TIMEOUT))
375 timeout = internals->mode4.short_timeout;
377 timeout = internals->mode4.long_timeout;
379 timer_set(&port->current_while_timer, timeout);
380 ACTOR_STATE_CLR(port, EXPIRED);
381 return; /* No state change */
384 /* If CURRENT state timer is not running (stopped or expired)
385 * transit to EXPIRED state from DISABLED or CURRENT */
386 if (!timer_is_running(&port->current_while_timer)) {
387 ACTOR_STATE_SET(port, EXPIRED);
388 PARTNER_STATE_CLR(port, SYNCHRONIZATION);
389 PARTNER_STATE_SET(port, LACP_SHORT_TIMEOUT);
390 timer_set(&port->current_while_timer, internals->mode4.short_timeout);
395 * Function handles periodic tx state machine.
397 * Function implements Periodic Transmission state machine from point 5.4.13
398 * in 802.1AX documentation. It should be called periodically.
400 * @param port Port to handle state machine.
403 periodic_machine(struct bond_dev_private *internals, uint8_t slave_id)
405 struct port *port = &mode_8023ad_ports[slave_id];
406 /* Calculate if either site is LACP enabled */
408 uint8_t active = ACTOR_STATE(port, LACP_ACTIVE) ||
409 PARTNER_STATE(port, LACP_ACTIVE);
411 uint8_t is_partner_fast, was_partner_fast;
412 /* No periodic is on BEGIN, LACP DISABLE or when both sides are pasive */
413 if (SM_FLAG(port, BEGIN) || !SM_FLAG(port, LACP_ENABLED) || !active) {
414 timer_cancel(&port->periodic_timer);
415 timer_force_expired(&port->tx_machine_timer);
416 SM_FLAG_CLR(port, PARTNER_SHORT_TIMEOUT);
418 MODE4_DEBUG("-> NO_PERIODIC ( %s%s%s)\n",
419 SM_FLAG(port, BEGIN) ? "begind " : "",
420 SM_FLAG(port, LACP_ENABLED) ? "" : "LACP disabled ",
421 active ? "LACP active " : "LACP pasive ");
425 is_partner_fast = PARTNER_STATE(port, LACP_SHORT_TIMEOUT);
426 was_partner_fast = SM_FLAG(port, PARTNER_SHORT_TIMEOUT);
428 /* If periodic timer is not started, transit from NO PERIODIC to FAST/SLOW.
429 * Other case: check if timer expire or partners settings changed. */
430 if (!timer_is_stopped(&port->periodic_timer)) {
431 if (timer_is_expired(&port->periodic_timer)) {
432 SM_FLAG_SET(port, NTT);
433 } else if (is_partner_fast != was_partner_fast) {
434 /* Partners timeout was slow and now it is fast -> send LACP.
435 * In other case (was fast and now it is slow) just switch
436 * timeout to slow without forcing send of LACP (because standard
438 if (!is_partner_fast)
439 SM_FLAG_SET(port, NTT);
441 return; /* Nothing changed */
444 /* Handle state transition to FAST/SLOW LACP timeout */
445 if (is_partner_fast) {
446 timeout = internals->mode4.fast_periodic_timeout;
447 SM_FLAG_SET(port, PARTNER_SHORT_TIMEOUT);
449 timeout = internals->mode4.slow_periodic_timeout;
450 SM_FLAG_CLR(port, PARTNER_SHORT_TIMEOUT);
453 timer_set(&port->periodic_timer, timeout);
457 * Function handles mux state machine.
459 * Function implements Mux Machine from point 5.4.15 in 802.1AX documentation.
460 * It should be called periodically.
462 * @param port Port to handle state machine.
465 mux_machine(struct bond_dev_private *internals, uint8_t slave_id)
467 struct port *port = &mode_8023ad_ports[slave_id];
469 /* Save current state for later use */
470 const uint8_t state_mask = STATE_SYNCHRONIZATION | STATE_DISTRIBUTING |
473 /* Enter DETACHED state on BEGIN condition or from any other state if
474 * port was unselected */
475 if (SM_FLAG(port, BEGIN) ||
476 port->selected == UNSELECTED || (port->selected == STANDBY &&
477 (port->actor_state & state_mask) != 0)) {
478 /* detach mux from aggregator */
479 port->actor_state &= ~state_mask;
480 /* Set ntt to true if BEGIN condition or transition from any other state
481 * which is indicated that wait_while_timer was started */
482 if (SM_FLAG(port, BEGIN) ||
483 !timer_is_stopped(&port->wait_while_timer)) {
484 SM_FLAG_SET(port, NTT);
485 MODE4_DEBUG("-> DETACHED\n");
487 timer_cancel(&port->wait_while_timer);
490 if (timer_is_stopped(&port->wait_while_timer)) {
491 if (port->selected == SELECTED || port->selected == STANDBY) {
492 timer_set(&port->wait_while_timer,
493 internals->mode4.aggregate_wait_timeout);
495 MODE4_DEBUG("DETACHED -> WAITING\n");
497 /* Waiting state entered */
501 /* Transit next state if port is ready */
502 if (!timer_is_expired(&port->wait_while_timer))
505 if ((ACTOR_STATE(port, DISTRIBUTING) || ACTOR_STATE(port, COLLECTING)) &&
506 !PARTNER_STATE(port, SYNCHRONIZATION)) {
507 /* If in COLLECTING or DISTRIBUTING state and partner becomes out of
508 * sync transit to ATACHED state. */
509 ACTOR_STATE_CLR(port, DISTRIBUTING);
510 ACTOR_STATE_CLR(port, COLLECTING);
511 /* Clear actor sync to activate transit ATACHED in condition bellow */
512 ACTOR_STATE_CLR(port, SYNCHRONIZATION);
513 MODE4_DEBUG("Out of sync -> ATTACHED\n");
516 if (!ACTOR_STATE(port, SYNCHRONIZATION)) {
517 /* attach mux to aggregator */
518 RTE_ASSERT((port->actor_state & (STATE_COLLECTING |
519 STATE_DISTRIBUTING)) == 0);
521 ACTOR_STATE_SET(port, SYNCHRONIZATION);
522 SM_FLAG_SET(port, NTT);
523 MODE4_DEBUG("ATTACHED Entered\n");
524 } else if (!ACTOR_STATE(port, COLLECTING)) {
525 /* Start collecting if in sync */
526 if (PARTNER_STATE(port, SYNCHRONIZATION)) {
527 MODE4_DEBUG("ATTACHED -> COLLECTING\n");
528 ACTOR_STATE_SET(port, COLLECTING);
529 SM_FLAG_SET(port, NTT);
531 } else if (ACTOR_STATE(port, COLLECTING)) {
532 /* Check if partner is in COLLECTING state. If so this port can
533 * distribute frames to it */
534 if (!ACTOR_STATE(port, DISTRIBUTING)) {
535 if (PARTNER_STATE(port, COLLECTING)) {
536 /* Enable DISTRIBUTING if partner is collecting */
537 ACTOR_STATE_SET(port, DISTRIBUTING);
538 SM_FLAG_SET(port, NTT);
539 MODE4_DEBUG("COLLECTING -> DISTRIBUTING\n");
541 "Bond %u: slave id %u distributing started.\n",
542 internals->port_id, slave_id);
545 if (!PARTNER_STATE(port, COLLECTING)) {
546 /* Disable DISTRIBUTING (enter COLLECTING state) if partner
547 * is not collecting */
548 ACTOR_STATE_CLR(port, DISTRIBUTING);
549 SM_FLAG_SET(port, NTT);
550 MODE4_DEBUG("DISTRIBUTING -> COLLECTING\n");
552 "Bond %u: slave id %u distributing stopped.\n",
553 internals->port_id, slave_id);
560 * Function handles transmit state machine.
562 * Function implements Transmit Machine from point 5.4.16 in 802.1AX
568 tx_machine(struct bond_dev_private *internals, uint8_t slave_id)
570 struct port *agg, *port = &mode_8023ad_ports[slave_id];
572 struct rte_mbuf *lacp_pkt = NULL;
573 struct lacpdu_header *hdr;
574 struct lacpdu *lacpdu;
576 /* If periodic timer is not running periodic machine is in NO PERIODIC and
577 * according to 802.3ax standard tx machine should not transmit any frames
578 * and set ntt to false. */
579 if (timer_is_stopped(&port->periodic_timer))
580 SM_FLAG_CLR(port, NTT);
582 if (!SM_FLAG(port, NTT))
585 if (!timer_is_expired(&port->tx_machine_timer))
588 lacp_pkt = rte_pktmbuf_alloc(port->mbuf_pool);
589 if (lacp_pkt == NULL) {
590 RTE_LOG(ERR, PMD, "Failed to allocate LACP packet from pool\n");
594 lacp_pkt->data_len = sizeof(*hdr);
595 lacp_pkt->pkt_len = sizeof(*hdr);
597 hdr = rte_pktmbuf_mtod(lacp_pkt, struct lacpdu_header *);
599 /* Source and destination MAC */
600 ether_addr_copy(&lacp_mac_addr, &hdr->eth_hdr.d_addr);
601 rte_eth_macaddr_get(slave_id, &hdr->eth_hdr.s_addr);
602 hdr->eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_SLOW);
604 lacpdu = &hdr->lacpdu;
605 memset(lacpdu, 0, sizeof(*lacpdu));
607 /* Initialize LACP part */
608 lacpdu->subtype = SLOW_SUBTYPE_LACP;
609 lacpdu->version_number = 1;
612 lacpdu->actor.tlv_type_info = TLV_TYPE_ACTOR_INFORMATION;
613 lacpdu->actor.info_length = sizeof(struct lacpdu_actor_partner_params);
614 memcpy(&hdr->lacpdu.actor.port_params, &port->actor,
615 sizeof(port->actor));
616 agg = &mode_8023ad_ports[port->aggregator_port_id];
617 ether_addr_copy(&agg->actor.system, &hdr->lacpdu.actor.port_params.system);
618 lacpdu->actor.state = port->actor_state;
621 lacpdu->partner.tlv_type_info = TLV_TYPE_PARTNER_INFORMATION;
622 lacpdu->partner.info_length = sizeof(struct lacpdu_actor_partner_params);
623 memcpy(&lacpdu->partner.port_params, &port->partner,
624 sizeof(struct port_params));
625 lacpdu->partner.state = port->partner_state;
628 lacpdu->tlv_type_collector_info = TLV_TYPE_COLLECTOR_INFORMATION;
629 lacpdu->collector_info_length = 0x10;
630 lacpdu->collector_max_delay = 0;
632 lacpdu->tlv_type_terminator = TLV_TYPE_TERMINATOR_INFORMATION;
633 lacpdu->terminator_length = 0;
635 if (rte_ring_enqueue(port->tx_ring, lacp_pkt) == -ENOBUFS) {
636 /* If TX ring full, drop packet and free message. Retransmission
637 * will happen in next function call. */
638 rte_pktmbuf_free(lacp_pkt);
639 set_warning_flags(port, WRN_TX_QUEUE_FULL);
643 MODE4_DEBUG("sending LACP frame\n");
644 BOND_PRINT_LACP(lacpdu);
646 timer_set(&port->tx_machine_timer, internals->mode4.tx_period_timeout);
647 SM_FLAG_CLR(port, NTT);
651 * Function assigns port to aggregator.
653 * @param bond_dev_private Pointer to bond_dev_private structure.
654 * @param port_pos Port to assign.
657 selection_logic(struct bond_dev_private *internals, uint8_t slave_id)
659 struct port *agg, *port;
660 uint8_t slaves_count, new_agg_id, i;
663 slaves = internals->active_slaves;
664 slaves_count = internals->active_slave_count;
665 port = &mode_8023ad_ports[slave_id];
667 /* Search for aggregator suitable for this port */
668 for (i = 0; i < slaves_count; ++i) {
669 agg = &mode_8023ad_ports[slaves[i]];
670 /* Skip ports that are not aggreagators */
671 if (agg->aggregator_port_id != slaves[i])
674 /* Actors system ID is not checked since all slave device have the same
675 * ID (MAC address). */
676 if ((agg->actor.key == port->actor.key &&
677 agg->partner.system_priority == port->partner.system_priority &&
678 is_same_ether_addr(&agg->partner.system, &port->partner.system) == 1
679 && (agg->partner.key == port->partner.key)) &&
680 is_zero_ether_addr(&port->partner.system) != 1 &&
682 rte_cpu_to_be_16(BOND_LINK_FULL_DUPLEX_KEY)) != 0) {
688 /* By default, port uses it self as agregator */
689 if (i == slaves_count)
690 new_agg_id = slave_id;
692 new_agg_id = slaves[i];
694 if (new_agg_id != port->aggregator_port_id) {
695 port->aggregator_port_id = new_agg_id;
697 MODE4_DEBUG("-> SELECTED: ID=%3u\n"
698 "\t%s aggregator ID=%3u\n",
699 port->aggregator_port_id,
700 port->aggregator_port_id == slave_id ?
701 "aggregator not found, using default" : "aggregator found",
702 port->aggregator_port_id);
705 port->selected = SELECTED;
708 /* Function maps DPDK speed to bonding speed stored in key field */
710 link_speed_key(uint16_t speed) {
714 case ETH_SPEED_NUM_NONE:
717 case ETH_SPEED_NUM_10M:
718 key_speed = BOND_LINK_SPEED_KEY_10M;
720 case ETH_SPEED_NUM_100M:
721 key_speed = BOND_LINK_SPEED_KEY_100M;
723 case ETH_SPEED_NUM_1G:
724 key_speed = BOND_LINK_SPEED_KEY_1000M;
726 case ETH_SPEED_NUM_10G:
727 key_speed = BOND_LINK_SPEED_KEY_10G;
729 case ETH_SPEED_NUM_20G:
730 key_speed = BOND_LINK_SPEED_KEY_20G;
732 case ETH_SPEED_NUM_40G:
733 key_speed = BOND_LINK_SPEED_KEY_40G;
744 bond_mode_8023ad_periodic_cb(void *arg)
746 struct rte_eth_dev *bond_dev = arg;
747 struct bond_dev_private *internals = bond_dev->data->dev_private;
749 struct rte_eth_link link_info;
750 struct ether_addr slave_addr;
756 /* Update link status on each port */
757 for (i = 0; i < internals->active_slave_count; i++) {
760 slave_id = internals->active_slaves[i];
761 rte_eth_link_get(slave_id, &link_info);
762 rte_eth_macaddr_get(slave_id, &slave_addr);
764 if (link_info.link_status != 0) {
765 key = link_speed_key(link_info.link_speed) << 1;
766 if (link_info.link_duplex == ETH_LINK_FULL_DUPLEX)
767 key |= BOND_LINK_FULL_DUPLEX_KEY;
771 port = &mode_8023ad_ports[slave_id];
773 key = rte_cpu_to_be_16(key);
774 if (key != port->actor.key) {
775 if (!(key & rte_cpu_to_be_16(BOND_LINK_FULL_DUPLEX_KEY)))
776 set_warning_flags(port, WRN_NOT_LACP_CAPABLE);
778 port->actor.key = key;
779 SM_FLAG_SET(port, NTT);
782 if (!is_same_ether_addr(&port->actor.system, &slave_addr)) {
783 ether_addr_copy(&slave_addr, &port->actor.system);
784 if (port->aggregator_port_id == slave_id)
785 SM_FLAG_SET(port, NTT);
789 for (i = 0; i < internals->active_slave_count; i++) {
790 slave_id = internals->active_slaves[i];
791 port = &mode_8023ad_ports[slave_id];
793 if ((port->actor.key &
794 rte_cpu_to_be_16(BOND_LINK_FULL_DUPLEX_KEY)) == 0) {
796 SM_FLAG_SET(port, BEGIN);
798 /* LACP is disabled on half duples or link is down */
799 if (SM_FLAG(port, LACP_ENABLED)) {
800 /* If port was enabled set it to BEGIN state */
801 SM_FLAG_CLR(port, LACP_ENABLED);
802 ACTOR_STATE_CLR(port, DISTRIBUTING);
803 ACTOR_STATE_CLR(port, COLLECTING);
806 /* Skip this port processing */
810 SM_FLAG_SET(port, LACP_ENABLED);
812 /* Find LACP packet to this port. Do not check subtype, it is done in
813 * function that queued packet */
814 if (rte_ring_dequeue(port->rx_ring, &pkt) == 0) {
815 struct rte_mbuf *lacp_pkt = pkt;
816 struct lacpdu_header *lacp;
818 lacp = rte_pktmbuf_mtod(lacp_pkt, struct lacpdu_header *);
819 RTE_ASSERT(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP);
821 /* This is LACP frame so pass it to rx_machine */
822 rx_machine(internals, slave_id, &lacp->lacpdu);
823 rte_pktmbuf_free(lacp_pkt);
825 rx_machine(internals, slave_id, NULL);
827 periodic_machine(internals, slave_id);
828 mux_machine(internals, slave_id);
829 tx_machine(internals, slave_id);
830 selection_logic(internals, slave_id);
832 SM_FLAG_CLR(port, BEGIN);
833 show_warnings(slave_id);
836 rte_eal_alarm_set(internals->mode4.update_timeout_us,
837 bond_mode_8023ad_periodic_cb, arg);
841 bond_mode_8023ad_activate_slave(struct rte_eth_dev *bond_dev, uint8_t slave_id)
843 struct bond_dev_private *internals = bond_dev->data->dev_private;
845 struct port *port = &mode_8023ad_ports[slave_id];
846 struct port_params initial = {
848 .system_priority = rte_cpu_to_be_16(0xFFFF),
849 .key = rte_cpu_to_be_16(BOND_LINK_FULL_DUPLEX_KEY),
850 .port_priority = rte_cpu_to_be_16(0x00FF),
854 char mem_name[RTE_ETH_NAME_MAX_LEN];
856 unsigned element_size;
857 uint32_t total_tx_desc;
858 struct bond_tx_queue *bd_tx_q;
861 /* Given slave mus not be in active list */
862 RTE_ASSERT(find_slave_by_id(internals->active_slaves,
863 internals->active_slave_count, slave_id) == internals->active_slave_count);
864 RTE_SET_USED(internals); /* used only for assert when enabled */
866 memcpy(&port->actor, &initial, sizeof(struct port_params));
867 /* Standard requires that port ID must be grater than 0.
868 * Add 1 do get corresponding port_number */
869 port->actor.port_number = rte_cpu_to_be_16((uint16_t)slave_id + 1);
871 memcpy(&port->partner, &initial, sizeof(struct port_params));
874 port->actor_state = STATE_AGGREGATION | STATE_LACP_ACTIVE | STATE_DEFAULTED;
875 port->partner_state = STATE_LACP_ACTIVE;
876 port->sm_flags = SM_FLAGS_BEGIN;
878 /* use this port as agregator */
879 port->aggregator_port_id = slave_id;
880 rte_eth_promiscuous_enable(slave_id);
882 timer_cancel(&port->warning_timer);
884 if (port->mbuf_pool != NULL)
887 RTE_ASSERT(port->rx_ring == NULL);
888 RTE_ASSERT(port->tx_ring == NULL);
889 socket_id = rte_eth_devices[slave_id].data->numa_node;
891 element_size = sizeof(struct slow_protocol_frame) +
892 RTE_PKTMBUF_HEADROOM;
894 /* The size of the mempool should be at least:
895 * the sum of the TX descriptors + BOND_MODE_8023AX_SLAVE_TX_PKTS */
896 total_tx_desc = BOND_MODE_8023AX_SLAVE_TX_PKTS;
897 for (q_id = 0; q_id < bond_dev->data->nb_tx_queues; q_id++) {
898 bd_tx_q = (struct bond_tx_queue*)bond_dev->data->tx_queues[q_id];
899 total_tx_desc += bd_tx_q->nb_tx_desc;
902 snprintf(mem_name, RTE_DIM(mem_name), "slave_port%u_pool", slave_id);
903 port->mbuf_pool = rte_pktmbuf_pool_create(mem_name, total_tx_desc,
904 RTE_MEMPOOL_CACHE_MAX_SIZE >= 32 ?
905 32 : RTE_MEMPOOL_CACHE_MAX_SIZE,
906 0, element_size, socket_id);
908 /* Any memory allocation failure in initalization is critical because
909 * resources can't be free, so reinitialization is impossible. */
910 if (port->mbuf_pool == NULL) {
911 rte_panic("Slave %u: Failed to create memory pool '%s': %s\n",
912 slave_id, mem_name, rte_strerror(rte_errno));
915 snprintf(mem_name, RTE_DIM(mem_name), "slave_%u_rx", slave_id);
916 port->rx_ring = rte_ring_create(mem_name,
917 rte_align32pow2(BOND_MODE_8023AX_SLAVE_RX_PKTS), socket_id, 0);
919 if (port->rx_ring == NULL) {
920 rte_panic("Slave %u: Failed to create rx ring '%s': %s\n", slave_id,
921 mem_name, rte_strerror(rte_errno));
924 /* TX ring is at least one pkt longer to make room for marker packet. */
925 snprintf(mem_name, RTE_DIM(mem_name), "slave_%u_tx", slave_id);
926 port->tx_ring = rte_ring_create(mem_name,
927 rte_align32pow2(BOND_MODE_8023AX_SLAVE_TX_PKTS + 1), socket_id, 0);
929 if (port->tx_ring == NULL) {
930 rte_panic("Slave %u: Failed to create tx ring '%s': %s\n", slave_id,
931 mem_name, rte_strerror(rte_errno));
936 bond_mode_8023ad_deactivate_slave(struct rte_eth_dev *bond_dev,
939 struct bond_dev_private *internals = bond_dev->data->dev_private;
944 /* Given slave must be in active list */
945 RTE_ASSERT(find_slave_by_id(internals->active_slaves,
946 internals->active_slave_count, slave_id) < internals->active_slave_count);
948 /* Exclude slave from transmit policy. If this slave is an aggregator
949 * make all aggregated slaves unselected to force selection logic
950 * to select suitable aggregator for this port. */
951 for (i = 0; i < internals->active_slave_count; i++) {
952 port = &mode_8023ad_ports[internals->active_slaves[i]];
953 if (port->aggregator_port_id != slave_id)
956 port->selected = UNSELECTED;
958 /* Use default aggregator */
959 port->aggregator_port_id = internals->active_slaves[i];
962 port = &mode_8023ad_ports[slave_id];
963 port->selected = UNSELECTED;
964 port->actor_state &= ~(STATE_SYNCHRONIZATION | STATE_DISTRIBUTING |
967 while (rte_ring_dequeue(port->rx_ring, &pkt) == 0)
968 rte_pktmbuf_free((struct rte_mbuf *)pkt);
970 while (rte_ring_dequeue(port->tx_ring, &pkt) == 0)
971 rte_pktmbuf_free((struct rte_mbuf *)pkt);
976 bond_mode_8023ad_mac_address_update(struct rte_eth_dev *bond_dev)
978 struct bond_dev_private *internals = bond_dev->data->dev_private;
979 struct ether_addr slave_addr;
980 struct port *slave, *agg_slave;
981 uint8_t slave_id, i, j;
983 bond_mode_8023ad_stop(bond_dev);
985 for (i = 0; i < internals->active_slave_count; i++) {
986 slave_id = internals->active_slaves[i];
987 slave = &mode_8023ad_ports[slave_id];
988 rte_eth_macaddr_get(slave_id, &slave_addr);
990 if (is_same_ether_addr(&slave_addr, &slave->actor.system))
993 ether_addr_copy(&slave_addr, &slave->actor.system);
994 /* Do nothing if this port is not an aggregator. In other case
995 * Set NTT flag on every port that use this aggregator. */
996 if (slave->aggregator_port_id != slave_id)
999 for (j = 0; j < internals->active_slave_count; j++) {
1000 agg_slave = &mode_8023ad_ports[internals->active_slaves[j]];
1001 if (agg_slave->aggregator_port_id == slave_id)
1002 SM_FLAG_SET(agg_slave, NTT);
1006 if (bond_dev->data->dev_started)
1007 bond_mode_8023ad_start(bond_dev);
1011 bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
1012 struct rte_eth_bond_8023ad_conf *conf)
1014 struct bond_dev_private *internals = dev->data->dev_private;
1015 struct mode8023ad_private *mode4 = &internals->mode4;
1016 uint64_t ms_ticks = rte_get_tsc_hz() / 1000;
1018 conf->fast_periodic_ms = mode4->fast_periodic_timeout / ms_ticks;
1019 conf->slow_periodic_ms = mode4->slow_periodic_timeout / ms_ticks;
1020 conf->short_timeout_ms = mode4->short_timeout / ms_ticks;
1021 conf->long_timeout_ms = mode4->long_timeout / ms_ticks;
1022 conf->aggregate_wait_timeout_ms = mode4->aggregate_wait_timeout / ms_ticks;
1023 conf->tx_period_ms = mode4->tx_period_timeout / ms_ticks;
1024 conf->update_timeout_ms = mode4->update_timeout_us / 1000;
1025 conf->rx_marker_period_ms = mode4->rx_marker_timeout / ms_ticks;
1029 bond_mode_8023ad_conf_get_v1607(struct rte_eth_dev *dev,
1030 struct rte_eth_bond_8023ad_conf *conf)
1032 struct bond_dev_private *internals = dev->data->dev_private;
1033 struct mode8023ad_private *mode4 = &internals->mode4;
1035 bond_mode_8023ad_conf_get(dev, conf);
1036 conf->slowrx_cb = mode4->slowrx_cb;
1040 bond_mode_8023ad_conf_get_default(struct rte_eth_bond_8023ad_conf *conf)
1042 conf->fast_periodic_ms = BOND_8023AD_FAST_PERIODIC_MS;
1043 conf->slow_periodic_ms = BOND_8023AD_SLOW_PERIODIC_MS;
1044 conf->short_timeout_ms = BOND_8023AD_SHORT_TIMEOUT_MS;
1045 conf->long_timeout_ms = BOND_8023AD_LONG_TIMEOUT_MS;
1046 conf->aggregate_wait_timeout_ms = BOND_8023AD_AGGREGATE_WAIT_TIMEOUT_MS;
1047 conf->tx_period_ms = BOND_8023AD_TX_MACHINE_PERIOD_MS;
1048 conf->rx_marker_period_ms = BOND_8023AD_RX_MARKER_PERIOD_MS;
1049 conf->update_timeout_ms = BOND_MODE_8023AX_UPDATE_TIMEOUT_MS;
1050 conf->slowrx_cb = NULL;
1054 bond_mode_8023ad_conf_assign(struct mode8023ad_private *mode4,
1055 struct rte_eth_bond_8023ad_conf *conf)
1057 uint64_t ms_ticks = rte_get_tsc_hz() / 1000;
1059 mode4->fast_periodic_timeout = conf->fast_periodic_ms * ms_ticks;
1060 mode4->slow_periodic_timeout = conf->slow_periodic_ms * ms_ticks;
1061 mode4->short_timeout = conf->short_timeout_ms * ms_ticks;
1062 mode4->long_timeout = conf->long_timeout_ms * ms_ticks;
1063 mode4->aggregate_wait_timeout = conf->aggregate_wait_timeout_ms * ms_ticks;
1064 mode4->tx_period_timeout = conf->tx_period_ms * ms_ticks;
1065 mode4->rx_marker_timeout = conf->rx_marker_period_ms * ms_ticks;
1066 mode4->update_timeout_us = conf->update_timeout_ms * 1000;
1070 bond_mode_8023ad_setup_v20(struct rte_eth_dev *dev,
1071 struct rte_eth_bond_8023ad_conf *conf)
1073 struct rte_eth_bond_8023ad_conf def_conf;
1074 struct bond_dev_private *internals = dev->data->dev_private;
1075 struct mode8023ad_private *mode4 = &internals->mode4;
1079 bond_mode_8023ad_conf_get_default(conf);
1082 bond_mode_8023ad_stop(dev);
1083 bond_mode_8023ad_conf_assign(mode4, conf);
1085 if (dev->data->dev_started)
1086 bond_mode_8023ad_start(dev);
1091 bond_mode_8023ad_setup(struct rte_eth_dev *dev,
1092 struct rte_eth_bond_8023ad_conf *conf)
1094 struct rte_eth_bond_8023ad_conf def_conf;
1095 struct bond_dev_private *internals = dev->data->dev_private;
1096 struct mode8023ad_private *mode4 = &internals->mode4;
1100 bond_mode_8023ad_conf_get_default(conf);
1103 bond_mode_8023ad_stop(dev);
1104 bond_mode_8023ad_conf_assign(mode4, conf);
1105 mode4->slowrx_cb = conf->slowrx_cb;
1107 if (dev->data->dev_started)
1108 bond_mode_8023ad_start(dev);
1112 bond_mode_8023ad_enable(struct rte_eth_dev *bond_dev)
1114 struct bond_dev_private *internals = bond_dev->data->dev_private;
1117 for (i = 0; i < internals->active_slave_count; i++)
1118 bond_mode_8023ad_activate_slave(bond_dev, i);
1124 bond_mode_8023ad_start(struct rte_eth_dev *bond_dev)
1126 struct bond_dev_private *internals = bond_dev->data->dev_private;
1127 struct mode8023ad_private *mode4 = &internals->mode4;
1128 static const uint64_t us = BOND_MODE_8023AX_UPDATE_TIMEOUT_MS * 1000;
1130 if (mode4->slowrx_cb)
1131 return rte_eal_alarm_set(us, &bond_mode_8023ad_ext_periodic_cb,
1134 return rte_eal_alarm_set(us, &bond_mode_8023ad_periodic_cb, bond_dev);
1138 bond_mode_8023ad_stop(struct rte_eth_dev *bond_dev)
1140 struct bond_dev_private *internals = bond_dev->data->dev_private;
1141 struct mode8023ad_private *mode4 = &internals->mode4;
1143 if (mode4->slowrx_cb) {
1144 rte_eal_alarm_cancel(&bond_mode_8023ad_ext_periodic_cb,
1148 rte_eal_alarm_cancel(&bond_mode_8023ad_periodic_cb, bond_dev);
1152 bond_mode_8023ad_handle_slow_pkt(struct bond_dev_private *internals,
1153 uint8_t slave_id, struct rte_mbuf *pkt)
1155 struct mode8023ad_private *mode4 = &internals->mode4;
1156 struct port *port = &mode_8023ad_ports[slave_id];
1157 struct marker_header *m_hdr;
1158 uint64_t marker_timer, old_marker_timer;
1160 uint8_t wrn, subtype;
1161 /* If packet is a marker, we send response now by reusing given packet
1162 * and update only source MAC, destination MAC is multicast so don't
1163 * update it. Other frames will be handled later by state machines */
1164 subtype = rte_pktmbuf_mtod(pkt,
1165 struct slow_protocol_frame *)->slow_protocol.subtype;
1167 if (subtype == SLOW_SUBTYPE_MARKER) {
1168 m_hdr = rte_pktmbuf_mtod(pkt, struct marker_header *);
1170 if (likely(m_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_INFO)) {
1171 wrn = WRN_UNKNOWN_MARKER_TYPE;
1175 /* Setup marker timer. Do it in loop in case concurrent access. */
1177 old_marker_timer = port->rx_marker_timer;
1178 if (!timer_is_expired(&old_marker_timer)) {
1179 wrn = WRN_RX_MARKER_TO_FAST;
1183 timer_set(&marker_timer, mode4->rx_marker_timeout);
1184 retval = rte_atomic64_cmpset(&port->rx_marker_timer,
1185 old_marker_timer, marker_timer);
1186 } while (unlikely(retval == 0));
1188 m_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_RESP;
1189 rte_eth_macaddr_get(slave_id, &m_hdr->eth_hdr.s_addr);
1191 if (unlikely(rte_ring_enqueue(port->tx_ring, pkt) == -ENOBUFS)) {
1193 port->rx_marker_timer = 0;
1194 wrn = WRN_TX_QUEUE_FULL;
1197 } else if (likely(subtype == SLOW_SUBTYPE_LACP)) {
1198 if (unlikely(rte_ring_enqueue(port->rx_ring, pkt) == -ENOBUFS)) {
1199 /* If RX fing full free lacpdu message and drop packet */
1200 wrn = WRN_RX_QUEUE_FULL;
1204 wrn = WRN_UNKNOWN_SLOW_TYPE;
1211 set_warning_flags(port, wrn);
1212 rte_pktmbuf_free(pkt);
1216 rte_eth_bond_8023ad_conf_get_v20(uint8_t port_id,
1217 struct rte_eth_bond_8023ad_conf *conf)
1219 struct rte_eth_dev *bond_dev;
1221 if (valid_bonded_port_id(port_id) != 0)
1227 bond_dev = &rte_eth_devices[port_id];
1228 bond_mode_8023ad_conf_get(bond_dev, conf);
1231 VERSION_SYMBOL(rte_eth_bond_8023ad_conf_get, _v20, 2.0);
1234 rte_eth_bond_8023ad_conf_get_v1607(uint8_t port_id,
1235 struct rte_eth_bond_8023ad_conf *conf)
1237 struct rte_eth_dev *bond_dev;
1239 if (valid_bonded_port_id(port_id) != 0)
1245 bond_dev = &rte_eth_devices[port_id];
1246 bond_mode_8023ad_conf_get_v1607(bond_dev, conf);
1249 BIND_DEFAULT_SYMBOL(rte_eth_bond_8023ad_conf_get, _v1607, 16.07);
1250 MAP_STATIC_SYMBOL(int rte_eth_bond_8023ad_conf_get(uint8_t port_id,
1251 struct rte_eth_bond_8023ad_conf *conf),
1252 rte_eth_bond_8023ad_conf_get_v1607);
1255 bond_8023ad_setup_validate(uint8_t port_id,
1256 struct rte_eth_bond_8023ad_conf *conf)
1258 if (valid_bonded_port_id(port_id) != 0)
1262 /* Basic sanity check */
1263 if (conf->slow_periodic_ms == 0 ||
1264 conf->fast_periodic_ms >= conf->slow_periodic_ms ||
1265 conf->long_timeout_ms == 0 ||
1266 conf->short_timeout_ms >= conf->long_timeout_ms ||
1267 conf->aggregate_wait_timeout_ms == 0 ||
1268 conf->tx_period_ms == 0 ||
1269 conf->rx_marker_period_ms == 0 ||
1270 conf->update_timeout_ms == 0) {
1271 RTE_LOG(ERR, PMD, "given mode 4 configuration is invalid\n");
1280 rte_eth_bond_8023ad_setup_v20(uint8_t port_id,
1281 struct rte_eth_bond_8023ad_conf *conf)
1283 struct rte_eth_dev *bond_dev;
1286 err = bond_8023ad_setup_validate(port_id, conf);
1290 bond_dev = &rte_eth_devices[port_id];
1291 bond_mode_8023ad_setup_v20(bond_dev, conf);
1295 VERSION_SYMBOL(rte_eth_bond_8023ad_setup, _v20, 2.0);
1298 rte_eth_bond_8023ad_setup_v1607(uint8_t port_id,
1299 struct rte_eth_bond_8023ad_conf *conf)
1301 struct rte_eth_dev *bond_dev;
1304 err = bond_8023ad_setup_validate(port_id, conf);
1308 bond_dev = &rte_eth_devices[port_id];
1309 bond_mode_8023ad_setup(bond_dev, conf);
1313 BIND_DEFAULT_SYMBOL(rte_eth_bond_8023ad_setup, _v1607, 16.07);
1314 MAP_STATIC_SYMBOL(int rte_eth_bond_8023ad_setup(uint8_t port_id,
1315 struct rte_eth_bond_8023ad_conf *conf),
1316 rte_eth_bond_8023ad_setup_v1607);
1319 rte_eth_bond_8023ad_slave_info(uint8_t port_id, uint8_t slave_id,
1320 struct rte_eth_bond_8023ad_slave_info *info)
1322 struct rte_eth_dev *bond_dev;
1323 struct bond_dev_private *internals;
1326 if (info == NULL || valid_bonded_port_id(port_id) != 0 ||
1327 rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
1330 bond_dev = &rte_eth_devices[port_id];
1332 internals = bond_dev->data->dev_private;
1333 if (find_slave_by_id(internals->active_slaves,
1334 internals->active_slave_count, slave_id) ==
1335 internals->active_slave_count)
1338 port = &mode_8023ad_ports[slave_id];
1339 info->selected = port->selected;
1341 info->actor_state = port->actor_state;
1342 rte_memcpy(&info->actor, &port->actor, sizeof(port->actor));
1344 info->partner_state = port->partner_state;
1345 rte_memcpy(&info->partner, &port->partner, sizeof(port->partner));
1347 info->agg_port_id = port->aggregator_port_id;
1352 bond_8023ad_ext_validate(uint8_t port_id, uint8_t slave_id)
1354 struct rte_eth_dev *bond_dev;
1355 struct bond_dev_private *internals;
1356 struct mode8023ad_private *mode4;
1358 if (rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
1361 bond_dev = &rte_eth_devices[port_id];
1363 if (!bond_dev->data->dev_started)
1366 internals = bond_dev->data->dev_private;
1367 if (find_slave_by_id(internals->active_slaves,
1368 internals->active_slave_count, slave_id) ==
1369 internals->active_slave_count)
1372 mode4 = &internals->mode4;
1373 if (mode4->slowrx_cb == NULL)
1380 rte_eth_bond_8023ad_ext_collect(uint8_t port_id, uint8_t slave_id, int enabled)
1385 res = bond_8023ad_ext_validate(port_id, slave_id);
1389 port = &mode_8023ad_ports[slave_id];
1392 ACTOR_STATE_SET(port, COLLECTING);
1394 ACTOR_STATE_CLR(port, COLLECTING);
1400 rte_eth_bond_8023ad_ext_distrib(uint8_t port_id, uint8_t slave_id, int enabled)
1405 res = bond_8023ad_ext_validate(port_id, slave_id);
1409 port = &mode_8023ad_ports[slave_id];
1412 ACTOR_STATE_SET(port, DISTRIBUTING);
1414 ACTOR_STATE_CLR(port, DISTRIBUTING);
1420 rte_eth_bond_8023ad_ext_distrib_get(uint8_t port_id, uint8_t slave_id)
1425 err = bond_8023ad_ext_validate(port_id, slave_id);
1429 port = &mode_8023ad_ports[slave_id];
1430 return ACTOR_STATE(port, DISTRIBUTING);
1434 rte_eth_bond_8023ad_ext_collect_get(uint8_t port_id, uint8_t slave_id)
1439 err = bond_8023ad_ext_validate(port_id, slave_id);
1443 port = &mode_8023ad_ports[slave_id];
1444 return ACTOR_STATE(port, COLLECTING);
1448 rte_eth_bond_8023ad_ext_slowtx(uint8_t port_id, uint8_t slave_id,
1449 struct rte_mbuf *lacp_pkt)
1454 res = bond_8023ad_ext_validate(port_id, slave_id);
1458 port = &mode_8023ad_ports[slave_id];
1460 if (rte_pktmbuf_pkt_len(lacp_pkt) < sizeof(struct lacpdu_header))
1463 struct lacpdu_header *lacp;
1465 /* only enqueue LACPDUs */
1466 lacp = rte_pktmbuf_mtod(lacp_pkt, struct lacpdu_header *);
1467 if (lacp->lacpdu.subtype != SLOW_SUBTYPE_LACP)
1470 MODE4_DEBUG("sending LACP frame\n");
1472 return rte_ring_enqueue(port->tx_ring, lacp_pkt);
1476 bond_mode_8023ad_ext_periodic_cb(void *arg)
1478 struct rte_eth_dev *bond_dev = arg;
1479 struct bond_dev_private *internals = bond_dev->data->dev_private;
1480 struct mode8023ad_private *mode4 = &internals->mode4;
1483 uint16_t i, slave_id;
1485 for (i = 0; i < internals->active_slave_count; i++) {
1486 slave_id = internals->active_slaves[i];
1487 port = &mode_8023ad_ports[slave_id];
1489 if (rte_ring_dequeue(port->rx_ring, &pkt) == 0) {
1490 struct rte_mbuf *lacp_pkt = pkt;
1491 struct lacpdu_header *lacp;
1493 lacp = rte_pktmbuf_mtod(lacp_pkt,
1494 struct lacpdu_header *);
1495 RTE_VERIFY(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP);
1497 /* This is LACP frame so pass it to rx callback.
1498 * Callback is responsible for freeing mbuf.
1500 mode4->slowrx_cb(slave_id, lacp_pkt);
1504 rte_eal_alarm_set(internals->mode4.update_timeout_us,
1505 bond_mode_8023ad_ext_periodic_cb, arg);