1 #include <rte_cycles.h>
2 #include <rte_common.h>
5 #include <rte_ethdev.h>
7 #include <rte_malloc.h>
8 #include <rte_service_component.h>
11 #include "rte_eventdev.h"
12 #include "rte_eventdev_pmd.h"
13 #include "rte_event_eth_rx_adapter.h"
16 #define BLOCK_CNT_THRESHOLD 10
17 #define ETH_EVENT_BUFFER_SIZE (4*BATCH_SIZE)
19 #define ETH_RX_ADAPTER_SERVICE_NAME_LEN 32
20 #define ETH_RX_ADAPTER_MEM_NAME_LEN 32
22 #define RSS_KEY_SIZE 40
25 * There is an instance of this struct per polled Rx queue added to the
28 struct eth_rx_poll_entry {
29 /* Eth port to poll */
31 /* Eth rx queue to poll */
35 /* Instance per adapter */
36 struct rte_eth_event_enqueue_buffer {
37 /* Count of events in this buffer */
39 /* Array of events in this buffer */
40 struct rte_event events[ETH_EVENT_BUFFER_SIZE];
43 struct rte_event_eth_rx_adapter {
45 uint8_t rss_key_be[RSS_KEY_SIZE];
46 /* Event device identifier */
48 /* Per ethernet device structure */
49 struct eth_device_info *eth_devices;
50 /* Event port identifier */
51 uint8_t event_port_id;
52 /* Lock to serialize config updates with service function */
53 rte_spinlock_t rx_lock;
54 /* Max mbufs processed in any service function invocation */
56 /* Receive queues that need to be polled */
57 struct eth_rx_poll_entry *eth_rx_poll;
58 /* Size of the eth_rx_poll array */
59 uint16_t num_rx_polled;
60 /* Weighted round robin schedule */
62 /* wrr_sched[] size */
64 /* Next entry in wrr[] to begin polling */
66 /* Event burst buffer */
67 struct rte_eth_event_enqueue_buffer event_enqueue_buffer;
68 /* Per adapter stats */
69 struct rte_event_eth_rx_adapter_stats stats;
70 /* Block count, counts upto BLOCK_CNT_THRESHOLD */
71 uint16_t enq_block_count;
73 uint64_t rx_enq_block_start_ts;
74 /* Configuration callback for rte_service configuration */
75 rte_event_eth_rx_adapter_conf_cb conf_cb;
76 /* Configuration callback argument */
78 /* Set if default_cb is being used */
80 /* Service initialization state */
81 uint8_t service_inited;
82 /* Total count of Rx queues in adapter */
84 /* Memory allocation name */
85 char mem_name[ETH_RX_ADAPTER_MEM_NAME_LEN];
86 /* Socket identifier cached from eventdev */
88 /* Per adapter EAL service */
90 } __rte_cache_aligned;
93 struct eth_device_info {
94 struct rte_eth_dev *dev;
95 struct eth_rx_queue_info *rx_queue;
96 /* Set if ethdev->eventdev packet transfer uses a
99 uint8_t internal_event_port;
100 /* Set if the adapter is processing rx queues for
101 * this eth device and packet processing has been
102 * started, allows for the code to know if the PMD
103 * rx_adapter_stop callback needs to be invoked
105 uint8_t dev_rx_started;
106 /* If nb_dev_queues > 0, the start callback will
107 * be invoked if not already invoked
109 uint16_t nb_dev_queues;
113 struct eth_rx_queue_info {
114 int queue_enabled; /* True if added */
115 uint16_t wt; /* Polling weight */
116 uint8_t event_queue_id; /* Event queue to enqueue packets to */
117 uint8_t sched_type; /* Sched type for events */
118 uint8_t priority; /* Event priority */
119 uint32_t flow_id; /* App provided flow identifier */
120 uint32_t flow_id_mask; /* Set to ~0 if app provides flow id else 0 */
123 static struct rte_event_eth_rx_adapter **event_eth_rx_adapter;
128 return id < RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE;
131 #define RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, retval) do { \
132 if (!valid_id(id)) { \
133 RTE_EDEV_LOG_ERR("Invalid eth Rx adapter id = %d\n", id); \
139 sw_rx_adapter_queue_count(struct rte_event_eth_rx_adapter *rx_adapter)
141 return rx_adapter->num_rx_polled;
144 /* Greatest common divisor */
145 static uint16_t gcd_u16(uint16_t a, uint16_t b)
149 return r ? gcd_u16(b, r) : b;
152 /* Returns the next queue in the polling sequence
154 * http://kb.linuxvirtualserver.org/wiki/Weighted_Round-Robin_Scheduling
157 wrr_next(struct rte_event_eth_rx_adapter *rx_adapter,
158 unsigned int n, int *cw,
159 struct eth_rx_poll_entry *eth_rx_poll, uint16_t max_wt,
160 uint16_t gcd, int prev)
176 q = eth_rx_poll[i].eth_rx_qid;
177 d = eth_rx_poll[i].eth_dev_id;
178 w = rx_adapter->eth_devices[d].rx_queue[q].wt;
185 /* Precalculate WRR polling sequence for all queues in rx_adapter */
187 eth_poll_wrr_calc(struct rte_event_eth_rx_adapter *rx_adapter)
193 /* Initialize variables for calculation of wrr schedule */
194 uint16_t max_wrr_pos = 0;
195 unsigned int poll_q = 0;
199 struct eth_rx_poll_entry *rx_poll = NULL;
200 uint32_t *rx_wrr = NULL;
202 if (rx_adapter->num_rx_polled) {
203 size_t len = RTE_ALIGN(rx_adapter->num_rx_polled *
204 sizeof(*rx_adapter->eth_rx_poll),
205 RTE_CACHE_LINE_SIZE);
206 rx_poll = rte_zmalloc_socket(rx_adapter->mem_name,
209 rx_adapter->socket_id);
213 /* Generate array of all queues to poll, the size of this
216 for (d = 0; d < rte_eth_dev_count(); d++) {
217 uint16_t nb_rx_queues;
218 struct eth_device_info *dev_info =
219 &rx_adapter->eth_devices[d];
220 nb_rx_queues = dev_info->dev->data->nb_rx_queues;
221 if (dev_info->rx_queue == NULL)
223 for (q = 0; q < nb_rx_queues; q++) {
224 struct eth_rx_queue_info *queue_info =
225 &dev_info->rx_queue[q];
226 if (queue_info->queue_enabled == 0)
229 uint16_t wt = queue_info->wt;
230 rx_poll[poll_q].eth_dev_id = d;
231 rx_poll[poll_q].eth_rx_qid = q;
233 max_wt = RTE_MAX(max_wt, wt);
234 gcd = (gcd) ? gcd_u16(gcd, wt) : wt;
239 len = RTE_ALIGN(max_wrr_pos * sizeof(*rx_wrr),
240 RTE_CACHE_LINE_SIZE);
241 rx_wrr = rte_zmalloc_socket(rx_adapter->mem_name,
244 rx_adapter->socket_id);
245 if (rx_wrr == NULL) {
250 /* Generate polling sequence based on weights */
253 for (i = 0; i < max_wrr_pos; i++) {
254 rx_wrr[i] = wrr_next(rx_adapter, poll_q, &cw,
255 rx_poll, max_wt, gcd, prev);
260 rte_free(rx_adapter->eth_rx_poll);
261 rte_free(rx_adapter->wrr_sched);
263 rx_adapter->eth_rx_poll = rx_poll;
264 rx_adapter->wrr_sched = rx_wrr;
265 rx_adapter->wrr_len = max_wrr_pos;
271 mtoip(struct rte_mbuf *m, struct ipv4_hdr **ipv4_hdr,
272 struct ipv6_hdr **ipv6_hdr)
274 struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
275 struct vlan_hdr *vlan_hdr;
280 switch (eth_hdr->ether_type) {
281 case RTE_BE16(ETHER_TYPE_IPv4):
282 *ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
285 case RTE_BE16(ETHER_TYPE_IPv6):
286 *ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
289 case RTE_BE16(ETHER_TYPE_VLAN):
290 vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
291 switch (vlan_hdr->eth_proto) {
292 case RTE_BE16(ETHER_TYPE_IPv4):
293 *ipv4_hdr = (struct ipv4_hdr *)(vlan_hdr + 1);
295 case RTE_BE16(ETHER_TYPE_IPv6):
296 *ipv6_hdr = (struct ipv6_hdr *)(vlan_hdr + 1);
308 /* Calculate RSS hash for IPv4/6 */
309 static inline uint32_t
310 do_softrss(struct rte_mbuf *m, const uint8_t *rss_key_be)
314 struct rte_ipv4_tuple ipv4_tuple;
315 struct rte_ipv6_tuple ipv6_tuple;
316 struct ipv4_hdr *ipv4_hdr;
317 struct ipv6_hdr *ipv6_hdr;
319 mtoip(m, &ipv4_hdr, &ipv6_hdr);
322 ipv4_tuple.src_addr = rte_be_to_cpu_32(ipv4_hdr->src_addr);
323 ipv4_tuple.dst_addr = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
325 input_len = RTE_THASH_V4_L3_LEN;
326 } else if (ipv6_hdr) {
327 rte_thash_load_v6_addrs(ipv6_hdr,
328 (union rte_thash_tuple *)&ipv6_tuple);
330 input_len = RTE_THASH_V6_L3_LEN;
334 return rte_softrss_be(tuple, input_len, rss_key_be);
338 rx_enq_blocked(struct rte_event_eth_rx_adapter *rx_adapter)
340 return !!rx_adapter->enq_block_count;
344 rx_enq_block_start_ts(struct rte_event_eth_rx_adapter *rx_adapter)
346 if (rx_adapter->rx_enq_block_start_ts)
349 rx_adapter->enq_block_count++;
350 if (rx_adapter->enq_block_count < BLOCK_CNT_THRESHOLD)
353 rx_adapter->rx_enq_block_start_ts = rte_get_tsc_cycles();
357 rx_enq_block_end_ts(struct rte_event_eth_rx_adapter *rx_adapter,
358 struct rte_event_eth_rx_adapter_stats *stats)
360 if (unlikely(!stats->rx_enq_start_ts))
361 stats->rx_enq_start_ts = rte_get_tsc_cycles();
363 if (likely(!rx_enq_blocked(rx_adapter)))
366 rx_adapter->enq_block_count = 0;
367 if (rx_adapter->rx_enq_block_start_ts) {
368 stats->rx_enq_end_ts = rte_get_tsc_cycles();
369 stats->rx_enq_block_cycles += stats->rx_enq_end_ts -
370 rx_adapter->rx_enq_block_start_ts;
371 rx_adapter->rx_enq_block_start_ts = 0;
375 /* Add event to buffer, free space check is done prior to calling
379 buf_event_enqueue(struct rte_event_eth_rx_adapter *rx_adapter,
380 struct rte_event *ev)
382 struct rte_eth_event_enqueue_buffer *buf =
383 &rx_adapter->event_enqueue_buffer;
384 rte_memcpy(&buf->events[buf->count++], ev, sizeof(struct rte_event));
387 /* Enqueue buffered events to event device */
388 static inline uint16_t
389 flush_event_buffer(struct rte_event_eth_rx_adapter *rx_adapter)
391 struct rte_eth_event_enqueue_buffer *buf =
392 &rx_adapter->event_enqueue_buffer;
393 struct rte_event_eth_rx_adapter_stats *stats = &rx_adapter->stats;
395 uint16_t n = rte_event_enqueue_burst(rx_adapter->eventdev_id,
396 rx_adapter->event_port_id,
399 if (n != buf->count) {
402 (buf->count - n) * sizeof(struct rte_event));
403 stats->rx_enq_retry++;
406 n ? rx_enq_block_end_ts(rx_adapter, stats) :
407 rx_enq_block_start_ts(rx_adapter);
410 stats->rx_enq_count += n;
416 fill_event_buffer(struct rte_event_eth_rx_adapter *rx_adapter,
418 uint16_t rx_queue_id,
419 struct rte_mbuf **mbufs,
423 struct eth_device_info *eth_device_info =
424 &rx_adapter->eth_devices[dev_id];
425 struct eth_rx_queue_info *eth_rx_queue_info =
426 ð_device_info->rx_queue[rx_queue_id];
428 int32_t qid = eth_rx_queue_info->event_queue_id;
429 uint8_t sched_type = eth_rx_queue_info->sched_type;
430 uint8_t priority = eth_rx_queue_info->priority;
432 struct rte_event events[BATCH_SIZE];
433 struct rte_mbuf *m = mbufs[0];
438 /* 0xffff ffff if PKT_RX_RSS_HASH is set, otherwise 0 */
439 rss_mask = ~(((m->ol_flags & PKT_RX_RSS_HASH) != 0) - 1);
440 do_rss = !rss_mask && !eth_rx_queue_info->flow_id_mask;
442 for (i = 0; i < num; i++) {
444 struct rte_event *ev = &events[i];
447 do_softrss(m, rx_adapter->rss_key_be) : m->hash.rss;
449 eth_rx_queue_info->flow_id &
450 eth_rx_queue_info->flow_id_mask;
451 flow_id |= rss & ~eth_rx_queue_info->flow_id_mask;
453 ev->flow_id = flow_id;
454 ev->op = RTE_EVENT_OP_NEW;
455 ev->sched_type = sched_type;
457 ev->event_type = RTE_EVENT_TYPE_ETH_RX_ADAPTER;
458 ev->sub_event_type = 0;
459 ev->priority = priority;
462 buf_event_enqueue(rx_adapter, ev);
467 * Polls receive queues added to the event adapter and enqueues received
468 * packets to the event device.
470 * The receive code enqueues initially to a temporary buffer, the
471 * temporary buffer is drained anytime it holds >= BATCH_SIZE packets
473 * If there isn't space available in the temporary buffer, packets from the
474 * Rx queue aren't dequeued from the eth device, this back pressures the
475 * eth device, in virtual device environments this back pressure is relayed to
476 * the hypervisor's switching layer where adjustments can be made to deal with
479 static inline uint32_t
480 eth_rx_poll(struct rte_event_eth_rx_adapter *rx_adapter)
485 struct rte_mbuf *mbufs[BATCH_SIZE];
486 struct rte_eth_event_enqueue_buffer *buf;
490 wrr_pos = rx_adapter->wrr_pos;
491 max_nb_rx = rx_adapter->max_nb_rx;
492 buf = &rx_adapter->event_enqueue_buffer;
493 struct rte_event_eth_rx_adapter_stats *stats = &rx_adapter->stats;
495 /* Iterate through a WRR sequence */
496 for (num_queue = 0; num_queue < rx_adapter->wrr_len; num_queue++) {
497 unsigned int poll_idx = rx_adapter->wrr_sched[wrr_pos];
498 uint16_t qid = rx_adapter->eth_rx_poll[poll_idx].eth_rx_qid;
499 uint8_t d = rx_adapter->eth_rx_poll[poll_idx].eth_dev_id;
501 /* Don't do a batch dequeue from the rx queue if there isn't
502 * enough space in the enqueue buffer.
504 if (buf->count >= BATCH_SIZE)
505 flush_event_buffer(rx_adapter);
506 if (BATCH_SIZE > (ETH_EVENT_BUFFER_SIZE - buf->count))
509 stats->rx_poll_count++;
510 n = rte_eth_rx_burst(d, qid, mbufs, BATCH_SIZE);
513 stats->rx_packets += n;
514 /* The check before rte_eth_rx_burst() ensures that
515 * all n mbufs can be buffered
517 fill_event_buffer(rx_adapter, d, qid, mbufs, n);
519 if (nb_rx > max_nb_rx) {
520 rx_adapter->wrr_pos =
521 (wrr_pos + 1) % rx_adapter->wrr_len;
526 if (++wrr_pos == rx_adapter->wrr_len)
534 event_eth_rx_adapter_service_func(void *args)
536 struct rte_event_eth_rx_adapter *rx_adapter = args;
537 struct rte_eth_event_enqueue_buffer *buf;
539 buf = &rx_adapter->event_enqueue_buffer;
540 if (rte_spinlock_trylock(&rx_adapter->rx_lock) == 0)
542 if (eth_rx_poll(rx_adapter) == 0 && buf->count)
543 flush_event_buffer(rx_adapter);
544 rte_spinlock_unlock(&rx_adapter->rx_lock);
549 rte_event_eth_rx_adapter_init(void)
551 const char *name = "rte_event_eth_rx_adapter_array";
552 const struct rte_memzone *mz;
555 sz = sizeof(*event_eth_rx_adapter) *
556 RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE;
557 sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
559 mz = rte_memzone_lookup(name);
561 mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0,
562 RTE_CACHE_LINE_SIZE);
564 RTE_EDEV_LOG_ERR("failed to reserve memzone err = %"
570 event_eth_rx_adapter = mz->addr;
574 static inline struct rte_event_eth_rx_adapter *
575 id_to_rx_adapter(uint8_t id)
577 return event_eth_rx_adapter ?
578 event_eth_rx_adapter[id] : NULL;
582 default_conf_cb(uint8_t id, uint8_t dev_id,
583 struct rte_event_eth_rx_adapter_conf *conf, void *arg)
586 struct rte_eventdev *dev;
587 struct rte_event_dev_config dev_conf;
590 struct rte_event_port_conf *port_conf = arg;
591 struct rte_event_eth_rx_adapter *rx_adapter = id_to_rx_adapter(id);
593 dev = &rte_eventdevs[rx_adapter->eventdev_id];
594 dev_conf = dev->data->dev_conf;
596 started = dev->data->dev_started;
598 rte_event_dev_stop(dev_id);
599 port_id = dev_conf.nb_event_ports;
600 dev_conf.nb_event_ports += 1;
601 ret = rte_event_dev_configure(dev_id, &dev_conf);
603 RTE_EDEV_LOG_ERR("failed to configure event dev %u\n",
606 rte_event_dev_start(dev_id);
610 ret = rte_event_port_setup(dev_id, port_id, port_conf);
612 RTE_EDEV_LOG_ERR("failed to setup event port %u\n",
617 conf->event_port_id = port_id;
618 conf->max_nb_rx = 128;
620 rte_event_dev_start(dev_id);
621 rx_adapter->default_cb_arg = 1;
626 init_service(struct rte_event_eth_rx_adapter *rx_adapter, uint8_t id)
629 struct rte_service_spec service;
630 struct rte_event_eth_rx_adapter_conf rx_adapter_conf;
632 if (rx_adapter->service_inited)
635 memset(&service, 0, sizeof(service));
636 snprintf(service.name, ETH_RX_ADAPTER_SERVICE_NAME_LEN,
637 "rte_event_eth_rx_adapter_%d", id);
638 service.socket_id = rx_adapter->socket_id;
639 service.callback = event_eth_rx_adapter_service_func;
640 service.callback_userdata = rx_adapter;
641 /* Service function handles locking for queue add/del updates */
642 service.capabilities = RTE_SERVICE_CAP_MT_SAFE;
643 ret = rte_service_component_register(&service, &rx_adapter->service_id);
645 RTE_EDEV_LOG_ERR("failed to register service %s err = %" PRId32,
650 ret = rx_adapter->conf_cb(id, rx_adapter->eventdev_id,
651 &rx_adapter_conf, rx_adapter->conf_arg);
653 RTE_EDEV_LOG_ERR("configuration callback failed err = %" PRId32,
657 rx_adapter->event_port_id = rx_adapter_conf.event_port_id;
658 rx_adapter->max_nb_rx = rx_adapter_conf.max_nb_rx;
659 rx_adapter->service_inited = 1;
663 rte_service_component_unregister(rx_adapter->service_id);
669 update_queue_info(struct rte_event_eth_rx_adapter *rx_adapter,
670 struct eth_device_info *dev_info,
674 struct eth_rx_queue_info *queue_info;
678 if (dev_info->rx_queue == NULL)
681 if (rx_queue_id == -1) {
682 for (i = 0; i < dev_info->dev->data->nb_rx_queues; i++)
683 update_queue_info(rx_adapter, dev_info, i, add);
685 queue_info = &dev_info->rx_queue[rx_queue_id];
686 enabled = queue_info->queue_enabled;
688 rx_adapter->nb_queues += !enabled;
689 dev_info->nb_dev_queues += !enabled;
691 rx_adapter->nb_queues -= enabled;
692 dev_info->nb_dev_queues -= enabled;
694 queue_info->queue_enabled = !!add;
699 event_eth_rx_adapter_queue_del(struct rte_event_eth_rx_adapter *rx_adapter,
700 struct eth_device_info *dev_info,
701 uint16_t rx_queue_id)
703 struct eth_rx_queue_info *queue_info;
705 if (rx_adapter->nb_queues == 0)
708 queue_info = &dev_info->rx_queue[rx_queue_id];
709 rx_adapter->num_rx_polled -= queue_info->queue_enabled;
710 update_queue_info(rx_adapter, dev_info, rx_queue_id, 0);
715 event_eth_rx_adapter_queue_add(struct rte_event_eth_rx_adapter *rx_adapter,
716 struct eth_device_info *dev_info,
717 uint16_t rx_queue_id,
718 const struct rte_event_eth_rx_adapter_queue_conf *conf)
721 struct eth_rx_queue_info *queue_info;
722 const struct rte_event *ev = &conf->ev;
724 queue_info = &dev_info->rx_queue[rx_queue_id];
725 queue_info->event_queue_id = ev->queue_id;
726 queue_info->sched_type = ev->sched_type;
727 queue_info->priority = ev->priority;
728 queue_info->wt = conf->servicing_weight;
730 if (conf->rx_queue_flags &
731 RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID) {
732 queue_info->flow_id = ev->flow_id;
733 queue_info->flow_id_mask = ~0;
736 /* The same queue can be added more than once */
737 rx_adapter->num_rx_polled += !queue_info->queue_enabled;
738 update_queue_info(rx_adapter, dev_info, rx_queue_id, 1);
741 static int add_rx_queue(struct rte_event_eth_rx_adapter *rx_adapter,
744 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
746 struct eth_device_info *dev_info = &rx_adapter->eth_devices[eth_dev_id];
747 struct rte_event_eth_rx_adapter_queue_conf temp_conf;
751 if (queue_conf->servicing_weight == 0) {
753 struct rte_eth_dev_data *data = dev_info->dev->data;
754 if (data->dev_conf.intr_conf.rxq) {
755 RTE_EDEV_LOG_ERR("Interrupt driven queues"
759 temp_conf = *queue_conf;
761 /* If Rx interrupts are disabled set wt = 1 */
762 temp_conf.servicing_weight = 1;
763 queue_conf = &temp_conf;
766 if (dev_info->rx_queue == NULL) {
768 rte_zmalloc_socket(rx_adapter->mem_name,
769 dev_info->dev->data->nb_rx_queues *
770 sizeof(struct eth_rx_queue_info), 0,
771 rx_adapter->socket_id);
772 if (dev_info->rx_queue == NULL)
776 if (rx_queue_id == -1) {
777 for (i = 0; i < dev_info->dev->data->nb_rx_queues; i++)
778 event_eth_rx_adapter_queue_add(rx_adapter,
782 event_eth_rx_adapter_queue_add(rx_adapter, dev_info,
783 (uint16_t)rx_queue_id,
787 ret = eth_poll_wrr_calc(rx_adapter);
789 event_eth_rx_adapter_queue_del(rx_adapter,
790 dev_info, rx_queue_id);
798 rx_adapter_ctrl(uint8_t id, int start)
800 struct rte_event_eth_rx_adapter *rx_adapter;
801 struct rte_eventdev *dev;
802 struct eth_device_info *dev_info;
807 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
808 rx_adapter = id_to_rx_adapter(id);
809 if (rx_adapter == NULL)
812 dev = &rte_eventdevs[rx_adapter->eventdev_id];
814 for (i = 0; i < rte_eth_dev_count(); i++) {
815 dev_info = &rx_adapter->eth_devices[i];
816 /* if start check for num dev queues */
817 if (start && !dev_info->nb_dev_queues)
819 /* if stop check if dev has been started */
820 if (stop && !dev_info->dev_rx_started)
822 use_service |= !dev_info->internal_event_port;
823 dev_info->dev_rx_started = start;
824 if (dev_info->internal_event_port == 0)
826 start ? (*dev->dev_ops->eth_rx_adapter_start)(dev,
827 &rte_eth_devices[i]) :
828 (*dev->dev_ops->eth_rx_adapter_stop)(dev,
829 &rte_eth_devices[i]);
833 rte_service_runstate_set(rx_adapter->service_id, start);
839 rte_event_eth_rx_adapter_create_ext(uint8_t id, uint8_t dev_id,
840 rte_event_eth_rx_adapter_conf_cb conf_cb,
843 struct rte_event_eth_rx_adapter *rx_adapter;
847 char mem_name[ETH_RX_ADAPTER_SERVICE_NAME_LEN];
848 const uint8_t default_rss_key[] = {
849 0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
850 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0,
851 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b, 0x30, 0xb4,
852 0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, 0xf2, 0x0c,
853 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa,
856 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
857 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
861 if (event_eth_rx_adapter == NULL) {
862 ret = rte_event_eth_rx_adapter_init();
867 rx_adapter = id_to_rx_adapter(id);
868 if (rx_adapter != NULL) {
869 RTE_EDEV_LOG_ERR("Eth Rx adapter exists id = %" PRIu8, id);
873 socket_id = rte_event_dev_socket_id(dev_id);
874 snprintf(mem_name, ETH_RX_ADAPTER_MEM_NAME_LEN,
875 "rte_event_eth_rx_adapter_%d",
878 rx_adapter = rte_zmalloc_socket(mem_name, sizeof(*rx_adapter),
879 RTE_CACHE_LINE_SIZE, socket_id);
880 if (rx_adapter == NULL) {
881 RTE_EDEV_LOG_ERR("failed to get mem for rx adapter");
885 rx_adapter->eventdev_id = dev_id;
886 rx_adapter->socket_id = socket_id;
887 rx_adapter->conf_cb = conf_cb;
888 rx_adapter->conf_arg = conf_arg;
889 strcpy(rx_adapter->mem_name, mem_name);
890 rx_adapter->eth_devices = rte_zmalloc_socket(rx_adapter->mem_name,
891 rte_eth_dev_count() *
892 sizeof(struct eth_device_info), 0,
894 rte_convert_rss_key((const uint32_t *)default_rss_key,
895 (uint32_t *)rx_adapter->rss_key_be,
896 RTE_DIM(default_rss_key));
898 if (rx_adapter->eth_devices == NULL) {
899 RTE_EDEV_LOG_ERR("failed to get mem for eth devices\n");
900 rte_free(rx_adapter);
903 rte_spinlock_init(&rx_adapter->rx_lock);
904 for (i = 0; i < rte_eth_dev_count(); i++)
905 rx_adapter->eth_devices[i].dev = &rte_eth_devices[i];
907 event_eth_rx_adapter[id] = rx_adapter;
908 if (conf_cb == default_conf_cb)
909 rx_adapter->default_cb_arg = 1;
914 rte_event_eth_rx_adapter_create(uint8_t id, uint8_t dev_id,
915 struct rte_event_port_conf *port_config)
917 struct rte_event_port_conf *pc;
920 if (port_config == NULL)
922 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
924 pc = rte_malloc(NULL, sizeof(*pc), 0);
928 ret = rte_event_eth_rx_adapter_create_ext(id, dev_id,
937 rte_event_eth_rx_adapter_free(uint8_t id)
939 struct rte_event_eth_rx_adapter *rx_adapter;
941 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
943 rx_adapter = id_to_rx_adapter(id);
944 if (rx_adapter == NULL)
947 if (rx_adapter->nb_queues) {
948 RTE_EDEV_LOG_ERR("%" PRIu16 " Rx queues not deleted",
949 rx_adapter->nb_queues);
953 if (rx_adapter->default_cb_arg)
954 rte_free(rx_adapter->conf_arg);
955 rte_free(rx_adapter->eth_devices);
956 rte_free(rx_adapter);
957 event_eth_rx_adapter[id] = NULL;
963 rte_event_eth_rx_adapter_queue_add(uint8_t id,
966 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
970 struct rte_event_eth_rx_adapter *rx_adapter;
971 struct rte_eventdev *dev;
972 struct eth_device_info *dev_info;
975 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
976 RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
978 rx_adapter = id_to_rx_adapter(id);
979 if ((rx_adapter == NULL) || (queue_conf == NULL))
982 dev = &rte_eventdevs[rx_adapter->eventdev_id];
983 ret = rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
987 RTE_EDEV_LOG_ERR("Failed to get adapter caps edev %" PRIu8
988 "eth port %" PRIu8, id, eth_dev_id);
992 if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) == 0
993 && (queue_conf->rx_queue_flags &
994 RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID)) {
995 RTE_EDEV_LOG_ERR("Flow ID override is not supported,"
996 " eth port: %" PRIu8 " adapter id: %" PRIu8,
1001 if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ) == 0 &&
1002 (rx_queue_id != -1)) {
1003 RTE_EDEV_LOG_ERR("Rx queues can only be connected to single "
1004 "event queue id %u eth port %u", id, eth_dev_id);
1008 if (rx_queue_id != -1 && (uint16_t)rx_queue_id >=
1009 rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
1010 RTE_EDEV_LOG_ERR("Invalid rx queue_id %" PRIu16,
1011 (uint16_t)rx_queue_id);
1016 dev_info = &rx_adapter->eth_devices[eth_dev_id];
1018 if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
1019 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->eth_rx_adapter_queue_add,
1021 if (dev_info->rx_queue == NULL) {
1022 dev_info->rx_queue =
1023 rte_zmalloc_socket(rx_adapter->mem_name,
1024 dev_info->dev->data->nb_rx_queues *
1025 sizeof(struct eth_rx_queue_info), 0,
1026 rx_adapter->socket_id);
1027 if (dev_info->rx_queue == NULL)
1031 ret = (*dev->dev_ops->eth_rx_adapter_queue_add)(dev,
1032 &rte_eth_devices[eth_dev_id],
1033 rx_queue_id, queue_conf);
1035 update_queue_info(rx_adapter,
1036 &rx_adapter->eth_devices[eth_dev_id],
1041 rte_spinlock_lock(&rx_adapter->rx_lock);
1042 ret = init_service(rx_adapter, id);
1044 ret = add_rx_queue(rx_adapter, eth_dev_id, rx_queue_id,
1046 rte_spinlock_unlock(&rx_adapter->rx_lock);
1048 start_service = !!sw_rx_adapter_queue_count(rx_adapter);
1055 rte_service_component_runstate_set(rx_adapter->service_id, 1);
1061 rte_event_eth_rx_adapter_queue_del(uint8_t id, uint8_t eth_dev_id,
1062 int32_t rx_queue_id)
1065 struct rte_eventdev *dev;
1066 struct rte_event_eth_rx_adapter *rx_adapter;
1067 struct eth_device_info *dev_info;
1071 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1072 RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
1074 rx_adapter = id_to_rx_adapter(id);
1075 if (rx_adapter == NULL)
1078 dev = &rte_eventdevs[rx_adapter->eventdev_id];
1079 ret = rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
1085 if (rx_queue_id != -1 && (uint16_t)rx_queue_id >=
1086 rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
1087 RTE_EDEV_LOG_ERR("Invalid rx queue_id %" PRIu16,
1088 (uint16_t)rx_queue_id);
1092 dev_info = &rx_adapter->eth_devices[eth_dev_id];
1094 if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
1095 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->eth_rx_adapter_queue_del,
1097 ret = (*dev->dev_ops->eth_rx_adapter_queue_del)(dev,
1098 &rte_eth_devices[eth_dev_id],
1101 update_queue_info(rx_adapter,
1102 &rx_adapter->eth_devices[eth_dev_id],
1105 if (dev_info->nb_dev_queues == 0) {
1106 rte_free(dev_info->rx_queue);
1107 dev_info->rx_queue = NULL;
1112 rte_spinlock_lock(&rx_adapter->rx_lock);
1113 if (rx_queue_id == -1) {
1114 for (i = 0; i < dev_info->dev->data->nb_rx_queues; i++)
1115 event_eth_rx_adapter_queue_del(rx_adapter,
1119 event_eth_rx_adapter_queue_del(rx_adapter,
1121 (uint16_t)rx_queue_id);
1124 rc = eth_poll_wrr_calc(rx_adapter);
1126 RTE_EDEV_LOG_ERR("WRR recalculation failed %" PRId32,
1129 if (dev_info->nb_dev_queues == 0) {
1130 rte_free(dev_info->rx_queue);
1131 dev_info->rx_queue = NULL;
1134 rte_spinlock_unlock(&rx_adapter->rx_lock);
1135 rte_service_component_runstate_set(rx_adapter->service_id,
1136 sw_rx_adapter_queue_count(rx_adapter));
1144 rte_event_eth_rx_adapter_start(uint8_t id)
1146 return rx_adapter_ctrl(id, 1);
1150 rte_event_eth_rx_adapter_stop(uint8_t id)
1152 return rx_adapter_ctrl(id, 0);
1156 rte_event_eth_rx_adapter_stats_get(uint8_t id,
1157 struct rte_event_eth_rx_adapter_stats *stats)
1159 struct rte_event_eth_rx_adapter *rx_adapter;
1160 struct rte_event_eth_rx_adapter_stats dev_stats_sum = { 0 };
1161 struct rte_event_eth_rx_adapter_stats dev_stats;
1162 struct rte_eventdev *dev;
1163 struct eth_device_info *dev_info;
1167 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1169 rx_adapter = id_to_rx_adapter(id);
1170 if (rx_adapter == NULL || stats == NULL)
1173 dev = &rte_eventdevs[rx_adapter->eventdev_id];
1174 memset(stats, 0, sizeof(*stats));
1175 for (i = 0; i < rte_eth_dev_count(); i++) {
1176 dev_info = &rx_adapter->eth_devices[i];
1177 if (dev_info->internal_event_port == 0 ||
1178 dev->dev_ops->eth_rx_adapter_stats_get == NULL)
1180 ret = (*dev->dev_ops->eth_rx_adapter_stats_get)(dev,
1181 &rte_eth_devices[i],
1185 dev_stats_sum.rx_packets += dev_stats.rx_packets;
1186 dev_stats_sum.rx_enq_count += dev_stats.rx_enq_count;
1189 if (rx_adapter->service_inited)
1190 *stats = rx_adapter->stats;
1192 stats->rx_packets += dev_stats_sum.rx_packets;
1193 stats->rx_enq_count += dev_stats_sum.rx_enq_count;
1198 rte_event_eth_rx_adapter_stats_reset(uint8_t id)
1200 struct rte_event_eth_rx_adapter *rx_adapter;
1201 struct rte_eventdev *dev;
1202 struct eth_device_info *dev_info;
1205 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1207 rx_adapter = id_to_rx_adapter(id);
1208 if (rx_adapter == NULL)
1211 dev = &rte_eventdevs[rx_adapter->eventdev_id];
1212 for (i = 0; i < rte_eth_dev_count(); i++) {
1213 dev_info = &rx_adapter->eth_devices[i];
1214 if (dev_info->internal_event_port == 0 ||
1215 dev->dev_ops->eth_rx_adapter_stats_reset == NULL)
1217 (*dev->dev_ops->eth_rx_adapter_stats_reset)(dev,
1218 &rte_eth_devices[i]);
1221 memset(&rx_adapter->stats, 0, sizeof(rx_adapter->stats));
1226 rte_event_eth_rx_adapter_service_id_get(uint8_t id, uint32_t *service_id)
1228 struct rte_event_eth_rx_adapter *rx_adapter;
1230 RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1232 rx_adapter = id_to_rx_adapter(id);
1233 if (rx_adapter == NULL || service_id == NULL)
1236 if (rx_adapter->service_inited)
1237 *service_id = rx_adapter->service_id;
1239 return rx_adapter->service_inited ? 0 : -ESRCH;