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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
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_nowait(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) + sizeof(struct rte_mbuf)
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_mempool_create(mem_name,
904 total_tx_desc, element_size,
905 RTE_MEMPOOL_CACHE_MAX_SIZE >= 32 ? 32 : RTE_MEMPOOL_CACHE_MAX_SIZE,
906 sizeof(struct rte_pktmbuf_pool_private), rte_pktmbuf_pool_init,
907 NULL, rte_pktmbuf_init, NULL, socket_id, MEMPOOL_F_NO_SPREAD);
909 /* Any memory allocation failure in initalization is critical because
910 * resources can't be free, so reinitialization is impossible. */
911 if (port->mbuf_pool == NULL) {
912 rte_panic("Slave %u: Failed to create memory pool '%s': %s\n",
913 slave_id, mem_name, rte_strerror(rte_errno));
916 snprintf(mem_name, RTE_DIM(mem_name), "slave_%u_rx", slave_id);
917 port->rx_ring = rte_ring_create(mem_name,
918 rte_align32pow2(BOND_MODE_8023AX_SLAVE_RX_PKTS), socket_id, 0);
920 if (port->rx_ring == NULL) {
921 rte_panic("Slave %u: Failed to create rx ring '%s': %s\n", slave_id,
922 mem_name, rte_strerror(rte_errno));
925 /* TX ring is at least one pkt longer to make room for marker packet. */
926 snprintf(mem_name, RTE_DIM(mem_name), "slave_%u_tx", slave_id);
927 port->tx_ring = rte_ring_create(mem_name,
928 rte_align32pow2(BOND_MODE_8023AX_SLAVE_TX_PKTS + 1), socket_id, 0);
930 if (port->tx_ring == NULL) {
931 rte_panic("Slave %u: Failed to create tx ring '%s': %s\n", slave_id,
932 mem_name, rte_strerror(rte_errno));
937 bond_mode_8023ad_deactivate_slave(struct rte_eth_dev *bond_dev __rte_unused,
941 struct port *port = NULL;
942 uint8_t old_partner_state;
944 port = &mode_8023ad_ports[slave_id];
946 ACTOR_STATE_CLR(port, AGGREGATION);
947 port->selected = UNSELECTED;
949 old_partner_state = port->partner_state;
950 record_default(port);
952 /* If partner timeout state changes then disable timer */
953 if (!((old_partner_state ^ port->partner_state) &
954 STATE_LACP_SHORT_TIMEOUT))
955 timer_cancel(&port->current_while_timer);
957 PARTNER_STATE_CLR(port, AGGREGATION);
958 ACTOR_STATE_CLR(port, EXPIRED);
960 /* flush rx/tx rings */
961 while (rte_ring_dequeue(port->rx_ring, &pkt) == 0)
962 rte_pktmbuf_free((struct rte_mbuf *)pkt);
964 while (rte_ring_dequeue(port->tx_ring, &pkt) == 0)
965 rte_pktmbuf_free((struct rte_mbuf *)pkt);
970 bond_mode_8023ad_mac_address_update(struct rte_eth_dev *bond_dev)
972 struct bond_dev_private *internals = bond_dev->data->dev_private;
973 struct ether_addr slave_addr;
974 struct port *slave, *agg_slave;
975 uint8_t slave_id, i, j;
977 bond_mode_8023ad_stop(bond_dev);
979 for (i = 0; i < internals->active_slave_count; i++) {
980 slave_id = internals->active_slaves[i];
981 slave = &mode_8023ad_ports[slave_id];
982 rte_eth_macaddr_get(slave_id, &slave_addr);
984 if (is_same_ether_addr(&slave_addr, &slave->actor.system))
987 ether_addr_copy(&slave_addr, &slave->actor.system);
988 /* Do nothing if this port is not an aggregator. In other case
989 * Set NTT flag on every port that use this aggregator. */
990 if (slave->aggregator_port_id != slave_id)
993 for (j = 0; j < internals->active_slave_count; j++) {
994 agg_slave = &mode_8023ad_ports[internals->active_slaves[j]];
995 if (agg_slave->aggregator_port_id == slave_id)
996 SM_FLAG_SET(agg_slave, NTT);
1000 if (bond_dev->data->dev_started)
1001 bond_mode_8023ad_start(bond_dev);
1005 bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
1006 struct rte_eth_bond_8023ad_conf *conf)
1008 struct bond_dev_private *internals = dev->data->dev_private;
1009 struct mode8023ad_private *mode4 = &internals->mode4;
1010 uint64_t ms_ticks = rte_get_tsc_hz() / 1000;
1012 conf->fast_periodic_ms = mode4->fast_periodic_timeout / ms_ticks;
1013 conf->slow_periodic_ms = mode4->slow_periodic_timeout / ms_ticks;
1014 conf->short_timeout_ms = mode4->short_timeout / ms_ticks;
1015 conf->long_timeout_ms = mode4->long_timeout / ms_ticks;
1016 conf->aggregate_wait_timeout_ms = mode4->aggregate_wait_timeout / ms_ticks;
1017 conf->tx_period_ms = mode4->tx_period_timeout / ms_ticks;
1018 conf->update_timeout_ms = mode4->update_timeout_us / 1000;
1019 conf->rx_marker_period_ms = mode4->rx_marker_timeout / ms_ticks;
1023 bond_mode_8023ad_conf_get_v1607(struct rte_eth_dev *dev,
1024 struct rte_eth_bond_8023ad_conf *conf)
1026 struct bond_dev_private *internals = dev->data->dev_private;
1027 struct mode8023ad_private *mode4 = &internals->mode4;
1029 bond_mode_8023ad_conf_get(dev, conf);
1030 conf->slowrx_cb = mode4->slowrx_cb;
1034 bond_mode_8023ad_conf_get_default(struct rte_eth_bond_8023ad_conf *conf)
1036 conf->fast_periodic_ms = BOND_8023AD_FAST_PERIODIC_MS;
1037 conf->slow_periodic_ms = BOND_8023AD_SLOW_PERIODIC_MS;
1038 conf->short_timeout_ms = BOND_8023AD_SHORT_TIMEOUT_MS;
1039 conf->long_timeout_ms = BOND_8023AD_LONG_TIMEOUT_MS;
1040 conf->aggregate_wait_timeout_ms = BOND_8023AD_AGGREGATE_WAIT_TIMEOUT_MS;
1041 conf->tx_period_ms = BOND_8023AD_TX_MACHINE_PERIOD_MS;
1042 conf->rx_marker_period_ms = BOND_8023AD_RX_MARKER_PERIOD_MS;
1043 conf->update_timeout_ms = BOND_MODE_8023AX_UPDATE_TIMEOUT_MS;
1044 conf->slowrx_cb = NULL;
1048 bond_mode_8023ad_conf_assign(struct mode8023ad_private *mode4,
1049 struct rte_eth_bond_8023ad_conf *conf)
1051 uint64_t ms_ticks = rte_get_tsc_hz() / 1000;
1053 mode4->fast_periodic_timeout = conf->fast_periodic_ms * ms_ticks;
1054 mode4->slow_periodic_timeout = conf->slow_periodic_ms * ms_ticks;
1055 mode4->short_timeout = conf->short_timeout_ms * ms_ticks;
1056 mode4->long_timeout = conf->long_timeout_ms * ms_ticks;
1057 mode4->aggregate_wait_timeout = conf->aggregate_wait_timeout_ms * ms_ticks;
1058 mode4->tx_period_timeout = conf->tx_period_ms * ms_ticks;
1059 mode4->rx_marker_timeout = conf->rx_marker_period_ms * ms_ticks;
1060 mode4->update_timeout_us = conf->update_timeout_ms * 1000;
1064 bond_mode_8023ad_setup_v20(struct rte_eth_dev *dev,
1065 struct rte_eth_bond_8023ad_conf *conf)
1067 struct rte_eth_bond_8023ad_conf def_conf;
1068 struct bond_dev_private *internals = dev->data->dev_private;
1069 struct mode8023ad_private *mode4 = &internals->mode4;
1073 bond_mode_8023ad_conf_get_default(conf);
1076 bond_mode_8023ad_stop(dev);
1077 bond_mode_8023ad_conf_assign(mode4, conf);
1079 if (dev->data->dev_started)
1080 bond_mode_8023ad_start(dev);
1085 bond_mode_8023ad_setup(struct rte_eth_dev *dev,
1086 struct rte_eth_bond_8023ad_conf *conf)
1088 struct rte_eth_bond_8023ad_conf def_conf;
1089 struct bond_dev_private *internals = dev->data->dev_private;
1090 struct mode8023ad_private *mode4 = &internals->mode4;
1094 bond_mode_8023ad_conf_get_default(conf);
1097 bond_mode_8023ad_stop(dev);
1098 bond_mode_8023ad_conf_assign(mode4, conf);
1099 mode4->slowrx_cb = conf->slowrx_cb;
1101 if (dev->data->dev_started)
1102 bond_mode_8023ad_start(dev);
1106 bond_mode_8023ad_enable(struct rte_eth_dev *bond_dev)
1108 struct bond_dev_private *internals = bond_dev->data->dev_private;
1111 for (i = 0; i < internals->active_slave_count; i++)
1112 bond_mode_8023ad_activate_slave(bond_dev,
1113 internals->active_slaves[i]);
1119 bond_mode_8023ad_start(struct rte_eth_dev *bond_dev)
1121 struct bond_dev_private *internals = bond_dev->data->dev_private;
1122 struct mode8023ad_private *mode4 = &internals->mode4;
1123 static const uint64_t us = BOND_MODE_8023AX_UPDATE_TIMEOUT_MS * 1000;
1125 if (mode4->slowrx_cb)
1126 return rte_eal_alarm_set(us, &bond_mode_8023ad_ext_periodic_cb,
1129 return rte_eal_alarm_set(us, &bond_mode_8023ad_periodic_cb, bond_dev);
1133 bond_mode_8023ad_stop(struct rte_eth_dev *bond_dev)
1135 struct bond_dev_private *internals = bond_dev->data->dev_private;
1136 struct mode8023ad_private *mode4 = &internals->mode4;
1138 if (mode4->slowrx_cb) {
1139 rte_eal_alarm_cancel(&bond_mode_8023ad_ext_periodic_cb,
1143 rte_eal_alarm_cancel(&bond_mode_8023ad_periodic_cb, bond_dev);
1147 bond_mode_8023ad_handle_slow_pkt(struct bond_dev_private *internals,
1148 uint8_t slave_id, struct rte_mbuf *pkt)
1150 struct mode8023ad_private *mode4 = &internals->mode4;
1151 struct port *port = &mode_8023ad_ports[slave_id];
1152 struct marker_header *m_hdr;
1153 uint64_t marker_timer, old_marker_timer;
1155 uint8_t wrn, subtype;
1156 /* If packet is a marker, we send response now by reusing given packet
1157 * and update only source MAC, destination MAC is multicast so don't
1158 * update it. Other frames will be handled later by state machines */
1159 subtype = rte_pktmbuf_mtod(pkt,
1160 struct slow_protocol_frame *)->slow_protocol.subtype;
1162 if (subtype == SLOW_SUBTYPE_MARKER) {
1163 m_hdr = rte_pktmbuf_mtod(pkt, struct marker_header *);
1165 if (likely(m_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_INFO)) {
1166 wrn = WRN_UNKNOWN_MARKER_TYPE;
1170 /* Setup marker timer. Do it in loop in case concurrent access. */
1172 old_marker_timer = port->rx_marker_timer;
1173 if (!timer_is_expired(&old_marker_timer)) {
1174 wrn = WRN_RX_MARKER_TO_FAST;
1178 timer_set(&marker_timer, mode4->rx_marker_timeout);
1179 retval = rte_atomic64_cmpset(&port->rx_marker_timer,
1180 old_marker_timer, marker_timer);
1181 } while (unlikely(retval == 0));
1183 m_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_RESP;
1184 rte_eth_macaddr_get(slave_id, &m_hdr->eth_hdr.s_addr);
1186 if (unlikely(rte_ring_enqueue(port->tx_ring, pkt) == -ENOBUFS)) {
1188 port->rx_marker_timer = 0;
1189 wrn = WRN_TX_QUEUE_FULL;
1192 } else if (likely(subtype == SLOW_SUBTYPE_LACP)) {
1193 if (unlikely(rte_ring_enqueue(port->rx_ring, pkt) == -ENOBUFS)) {
1194 /* If RX fing full free lacpdu message and drop packet */
1195 wrn = WRN_RX_QUEUE_FULL;
1199 wrn = WRN_UNKNOWN_SLOW_TYPE;
1206 set_warning_flags(port, wrn);
1207 rte_pktmbuf_free(pkt);
1211 rte_eth_bond_8023ad_conf_get_v20(uint8_t port_id,
1212 struct rte_eth_bond_8023ad_conf *conf)
1214 struct rte_eth_dev *bond_dev;
1216 if (valid_bonded_port_id(port_id) != 0)
1222 bond_dev = &rte_eth_devices[port_id];
1223 bond_mode_8023ad_conf_get(bond_dev, conf);
1226 VERSION_SYMBOL(rte_eth_bond_8023ad_conf_get, _v20, 2.0);
1229 rte_eth_bond_8023ad_conf_get_v1607(uint8_t port_id,
1230 struct rte_eth_bond_8023ad_conf *conf)
1232 struct rte_eth_dev *bond_dev;
1234 if (valid_bonded_port_id(port_id) != 0)
1240 bond_dev = &rte_eth_devices[port_id];
1241 bond_mode_8023ad_conf_get_v1607(bond_dev, conf);
1244 BIND_DEFAULT_SYMBOL(rte_eth_bond_8023ad_conf_get, _v1607, 16.07);
1245 MAP_STATIC_SYMBOL(int rte_eth_bond_8023ad_conf_get(uint8_t port_id,
1246 struct rte_eth_bond_8023ad_conf *conf),
1247 rte_eth_bond_8023ad_conf_get_v1607);
1250 bond_8023ad_setup_validate(uint8_t port_id,
1251 struct rte_eth_bond_8023ad_conf *conf)
1253 if (valid_bonded_port_id(port_id) != 0)
1257 /* Basic sanity check */
1258 if (conf->slow_periodic_ms == 0 ||
1259 conf->fast_periodic_ms >= conf->slow_periodic_ms ||
1260 conf->long_timeout_ms == 0 ||
1261 conf->short_timeout_ms >= conf->long_timeout_ms ||
1262 conf->aggregate_wait_timeout_ms == 0 ||
1263 conf->tx_period_ms == 0 ||
1264 conf->rx_marker_period_ms == 0 ||
1265 conf->update_timeout_ms == 0) {
1266 RTE_LOG(ERR, PMD, "given mode 4 configuration is invalid\n");
1275 rte_eth_bond_8023ad_setup_v20(uint8_t port_id,
1276 struct rte_eth_bond_8023ad_conf *conf)
1278 struct rte_eth_dev *bond_dev;
1281 err = bond_8023ad_setup_validate(port_id, conf);
1285 bond_dev = &rte_eth_devices[port_id];
1286 bond_mode_8023ad_setup_v20(bond_dev, conf);
1290 VERSION_SYMBOL(rte_eth_bond_8023ad_setup, _v20, 2.0);
1293 rte_eth_bond_8023ad_setup_v1607(uint8_t port_id,
1294 struct rte_eth_bond_8023ad_conf *conf)
1296 struct rte_eth_dev *bond_dev;
1299 err = bond_8023ad_setup_validate(port_id, conf);
1303 bond_dev = &rte_eth_devices[port_id];
1304 bond_mode_8023ad_setup(bond_dev, conf);
1308 BIND_DEFAULT_SYMBOL(rte_eth_bond_8023ad_setup, _v1607, 16.07);
1309 MAP_STATIC_SYMBOL(int rte_eth_bond_8023ad_setup(uint8_t port_id,
1310 struct rte_eth_bond_8023ad_conf *conf),
1311 rte_eth_bond_8023ad_setup_v1607);
1314 rte_eth_bond_8023ad_slave_info(uint8_t port_id, uint8_t slave_id,
1315 struct rte_eth_bond_8023ad_slave_info *info)
1317 struct rte_eth_dev *bond_dev;
1318 struct bond_dev_private *internals;
1321 if (info == NULL || valid_bonded_port_id(port_id) != 0 ||
1322 rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
1325 bond_dev = &rte_eth_devices[port_id];
1327 internals = bond_dev->data->dev_private;
1328 if (find_slave_by_id(internals->active_slaves,
1329 internals->active_slave_count, slave_id) ==
1330 internals->active_slave_count)
1333 port = &mode_8023ad_ports[slave_id];
1334 info->selected = port->selected;
1336 info->actor_state = port->actor_state;
1337 rte_memcpy(&info->actor, &port->actor, sizeof(port->actor));
1339 info->partner_state = port->partner_state;
1340 rte_memcpy(&info->partner, &port->partner, sizeof(port->partner));
1342 info->agg_port_id = port->aggregator_port_id;
1347 bond_8023ad_ext_validate(uint8_t port_id, uint8_t slave_id)
1349 struct rte_eth_dev *bond_dev;
1350 struct bond_dev_private *internals;
1351 struct mode8023ad_private *mode4;
1353 if (rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
1356 bond_dev = &rte_eth_devices[port_id];
1358 if (!bond_dev->data->dev_started)
1361 internals = bond_dev->data->dev_private;
1362 if (find_slave_by_id(internals->active_slaves,
1363 internals->active_slave_count, slave_id) ==
1364 internals->active_slave_count)
1367 mode4 = &internals->mode4;
1368 if (mode4->slowrx_cb == NULL)
1375 rte_eth_bond_8023ad_ext_collect(uint8_t port_id, uint8_t slave_id, int enabled)
1380 res = bond_8023ad_ext_validate(port_id, slave_id);
1384 port = &mode_8023ad_ports[slave_id];
1387 ACTOR_STATE_SET(port, COLLECTING);
1389 ACTOR_STATE_CLR(port, COLLECTING);
1395 rte_eth_bond_8023ad_ext_distrib(uint8_t port_id, uint8_t slave_id, int enabled)
1400 res = bond_8023ad_ext_validate(port_id, slave_id);
1404 port = &mode_8023ad_ports[slave_id];
1407 ACTOR_STATE_SET(port, DISTRIBUTING);
1409 ACTOR_STATE_CLR(port, DISTRIBUTING);
1415 rte_eth_bond_8023ad_ext_distrib_get(uint8_t port_id, uint8_t slave_id)
1420 err = bond_8023ad_ext_validate(port_id, slave_id);
1424 port = &mode_8023ad_ports[slave_id];
1425 return ACTOR_STATE(port, DISTRIBUTING);
1429 rte_eth_bond_8023ad_ext_collect_get(uint8_t port_id, uint8_t slave_id)
1434 err = bond_8023ad_ext_validate(port_id, slave_id);
1438 port = &mode_8023ad_ports[slave_id];
1439 return ACTOR_STATE(port, COLLECTING);
1443 rte_eth_bond_8023ad_ext_slowtx(uint8_t port_id, uint8_t slave_id,
1444 struct rte_mbuf *lacp_pkt)
1449 res = bond_8023ad_ext_validate(port_id, slave_id);
1453 port = &mode_8023ad_ports[slave_id];
1455 if (rte_pktmbuf_pkt_len(lacp_pkt) < sizeof(struct lacpdu_header))
1458 struct lacpdu_header *lacp;
1460 /* only enqueue LACPDUs */
1461 lacp = rte_pktmbuf_mtod(lacp_pkt, struct lacpdu_header *);
1462 if (lacp->lacpdu.subtype != SLOW_SUBTYPE_LACP)
1465 MODE4_DEBUG("sending LACP frame\n");
1467 return rte_ring_enqueue(port->tx_ring, lacp_pkt);
1471 bond_mode_8023ad_ext_periodic_cb(void *arg)
1473 struct rte_eth_dev *bond_dev = arg;
1474 struct bond_dev_private *internals = bond_dev->data->dev_private;
1475 struct mode8023ad_private *mode4 = &internals->mode4;
1478 uint16_t i, slave_id;
1480 for (i = 0; i < internals->active_slave_count; i++) {
1481 slave_id = internals->active_slaves[i];
1482 port = &mode_8023ad_ports[slave_id];
1484 if (rte_ring_dequeue(port->rx_ring, &pkt) == 0) {
1485 struct rte_mbuf *lacp_pkt = pkt;
1486 struct lacpdu_header *lacp;
1488 lacp = rte_pktmbuf_mtod(lacp_pkt,
1489 struct lacpdu_header *);
1490 RTE_VERIFY(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP);
1492 /* This is LACP frame so pass it to rx callback.
1493 * Callback is responsible for freeing mbuf.
1495 mode4->slowrx_cb(slave_id, lacp_pkt);
1499 rte_eal_alarm_set(internals->mode4.update_timeout_us,
1500 bond_mode_8023ad_ext_periodic_cb, arg);