1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
8 #include <rte_malloc.h>
11 #include "bnxt_filter.h"
12 #include "bnxt_hwrm.h"
13 #include "bnxt_ring.h"
16 #include "bnxt_vnic.h"
17 #include "hsi_struct_def_dpdk.h"
23 void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq)
25 if (rxq && rxq->cp_ring && rxq->cp_ring->hw_stats)
26 rxq->cp_ring->hw_stats = NULL;
29 int bnxt_mq_rx_configure(struct bnxt *bp)
31 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
32 const struct rte_eth_vmdq_rx_conf *conf =
33 &dev_conf->rx_adv_conf.vmdq_rx_conf;
34 unsigned int i, j, nb_q_per_grp = 1, ring_idx = 0;
35 int start_grp_id, end_grp_id = 1, rc = 0;
36 struct bnxt_vnic_info *vnic;
37 struct bnxt_filter_info *filter;
38 enum rte_eth_nb_pools pools = bp->rx_cp_nr_rings, max_pools = 0;
39 struct bnxt_rx_queue *rxq;
43 /* Single queue mode */
44 if (bp->rx_cp_nr_rings < 2) {
45 vnic = &bp->vnic_info[0];
47 PMD_DRV_LOG(ERR, "VNIC alloc failed\n");
51 vnic->flags |= BNXT_VNIC_INFO_BCAST;
54 rxq = bp->eth_dev->data->rx_queues[0];
57 vnic->func_default = true;
58 vnic->start_grp_id = 0;
59 vnic->end_grp_id = vnic->start_grp_id;
60 filter = bnxt_alloc_filter(bp);
62 PMD_DRV_LOG(ERR, "L2 filter alloc failed\n");
66 filter->mac_index = 0;
67 filter->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
68 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
72 /* Multi-queue mode */
73 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB_RSS) {
74 /* VMDq ONLY, VMDq+RSS, VMDq+DCB, VMDq+DCB+RSS */
76 switch (dev_conf->rxmode.mq_mode) {
77 case ETH_MQ_RX_VMDQ_RSS:
78 case ETH_MQ_RX_VMDQ_ONLY:
79 case ETH_MQ_RX_VMDQ_DCB_RSS:
82 pools = conf->nb_queue_pools;
83 /* For each pool, allocate MACVLAN CFA rule & VNIC */
84 max_pools = RTE_MIN(bp->max_vnics,
85 RTE_MIN(bp->max_l2_ctx,
86 RTE_MIN(bp->max_rsscos_ctx,
89 "pools = %u max_pools = %u\n",
91 if (pools > max_pools)
95 pools = bp->rx_cosq_cnt ? bp->rx_cosq_cnt : 1;
98 PMD_DRV_LOG(ERR, "Unsupported mq_mod %d\n",
99 dev_conf->rxmode.mq_mode);
104 nb_q_per_grp = bp->rx_cp_nr_rings / pools;
105 bp->rx_num_qs_per_vnic = nb_q_per_grp;
106 PMD_DRV_LOG(DEBUG, "pools = %u nb_q_per_grp = %u\n",
107 pools, nb_q_per_grp);
109 end_grp_id = nb_q_per_grp;
111 for (i = 0; i < pools; i++) {
112 vnic = &bp->vnic_info[i];
114 PMD_DRV_LOG(ERR, "VNIC alloc failed\n");
118 vnic->flags |= BNXT_VNIC_INFO_BCAST;
121 for (j = 0; j < nb_q_per_grp; j++, ring_idx++) {
122 rxq = bp->eth_dev->data->rx_queues[ring_idx];
125 "rxq[%d] = %p vnic[%d] = %p\n",
126 ring_idx, rxq, i, vnic);
129 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB) {
130 bp->eth_dev->data->promiscuous = 1;
131 vnic->flags |= BNXT_VNIC_INFO_PROMISC;
133 vnic->func_default = true;
135 vnic->start_grp_id = start_grp_id;
136 vnic->end_grp_id = end_grp_id;
139 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB ||
140 !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS))
141 vnic->rss_dflt_cr = true;
142 goto skip_filter_allocation;
144 filter = bnxt_alloc_filter(bp);
146 PMD_DRV_LOG(ERR, "L2 filter alloc failed\n");
150 filter->mac_index = 0;
151 filter->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
153 * TODO: Configure & associate CFA rule for
154 * each VNIC for each VMDq with MACVLAN, MACVLAN+TC
156 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
158 skip_filter_allocation:
159 start_grp_id = end_grp_id;
160 end_grp_id += nb_q_per_grp;
164 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
165 struct rte_eth_rss_conf *rss = &dev_conf->rx_adv_conf.rss_conf;
167 if (bp->flags & BNXT_FLAG_UPDATE_HASH) {
169 bp->flags &= ~BNXT_FLAG_UPDATE_HASH;
172 for (i = 0; i < bp->nr_vnics; i++) {
173 vnic = &bp->vnic_info[i];
175 bnxt_rte_to_hwrm_hash_types(rss->rss_hf);
178 * Use the supplied key if the key length is
179 * acceptable and the rss_key is not NULL
182 rss->rss_key_len <= HW_HASH_KEY_SIZE)
183 memcpy(vnic->rss_hash_key,
184 rss->rss_key, rss->rss_key_len);
191 /* Free allocated vnic/filters */
196 void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq)
198 struct bnxt_sw_rx_bd *sw_ring;
199 struct bnxt_tpa_info *tpa_info;
205 rte_spinlock_lock(&rxq->lock);
207 sw_ring = rxq->rx_ring->rx_buf_ring;
210 i < rxq->rx_ring->rx_ring_struct->ring_size; i++) {
211 if (sw_ring[i].mbuf) {
212 rte_pktmbuf_free_seg(sw_ring[i].mbuf);
213 sw_ring[i].mbuf = NULL;
217 /* Free up mbufs in Agg ring */
218 sw_ring = rxq->rx_ring->ag_buf_ring;
221 i < rxq->rx_ring->ag_ring_struct->ring_size; i++) {
222 if (sw_ring[i].mbuf) {
223 rte_pktmbuf_free_seg(sw_ring[i].mbuf);
224 sw_ring[i].mbuf = NULL;
229 /* Free up mbufs in TPA */
230 tpa_info = rxq->rx_ring->tpa_info;
232 int max_aggs = BNXT_TPA_MAX_AGGS(rxq->bp);
234 for (i = 0; i < max_aggs; i++) {
235 if (tpa_info[i].mbuf) {
236 rte_pktmbuf_free_seg(tpa_info[i].mbuf);
237 tpa_info[i].mbuf = NULL;
242 rte_spinlock_unlock(&rxq->lock);
245 void bnxt_free_rx_mbufs(struct bnxt *bp)
247 struct bnxt_rx_queue *rxq;
250 for (i = 0; i < (int)bp->rx_nr_rings; i++) {
251 rxq = bp->rx_queues[i];
252 bnxt_rx_queue_release_mbufs(rxq);
256 void bnxt_rx_queue_release_op(void *rx_queue)
258 struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
261 if (is_bnxt_in_error(rxq->bp))
264 bnxt_rx_queue_release_mbufs(rxq);
266 /* Free RX ring hardware descriptors */
267 bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
268 /* Free RX Agg ring hardware descriptors */
269 bnxt_free_ring(rxq->rx_ring->ag_ring_struct);
271 /* Free RX completion ring hardware descriptors */
272 bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
274 bnxt_free_rxq_stats(rxq);
275 rte_memzone_free(rxq->mz);
282 int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
285 unsigned int socket_id,
286 const struct rte_eth_rxconf *rx_conf,
287 struct rte_mempool *mp)
289 struct bnxt *bp = eth_dev->data->dev_private;
290 uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads;
291 struct bnxt_rx_queue *rxq;
295 rc = is_bnxt_in_error(bp);
299 if (queue_idx >= bp->max_rx_rings) {
301 "Cannot create Rx ring %d. Only %d rings available\n",
302 queue_idx, bp->max_rx_rings);
306 if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
307 PMD_DRV_LOG(ERR, "nb_desc %d is invalid\n", nb_desc);
312 if (eth_dev->data->rx_queues) {
313 rxq = eth_dev->data->rx_queues[queue_idx];
315 bnxt_rx_queue_release_op(rxq);
317 rxq = rte_zmalloc_socket("bnxt_rx_queue", sizeof(struct bnxt_rx_queue),
318 RTE_CACHE_LINE_SIZE, socket_id);
320 PMD_DRV_LOG(ERR, "bnxt_rx_queue allocation failed!\n");
326 rxq->nb_rx_desc = nb_desc;
327 rxq->rx_free_thresh = rx_conf->rx_free_thresh;
329 PMD_DRV_LOG(DEBUG, "RX Buf MTU %d\n", eth_dev->data->mtu);
331 rc = bnxt_init_rx_ring_struct(rxq, socket_id);
335 PMD_DRV_LOG(DEBUG, "RX Buf size is %d\n", rxq->rx_buf_size);
336 rxq->queue_id = queue_idx;
337 rxq->port_id = eth_dev->data->port_id;
338 if (rx_offloads & DEV_RX_OFFLOAD_KEEP_CRC)
339 rxq->crc_len = RTE_ETHER_CRC_LEN;
343 eth_dev->data->rx_queues[queue_idx] = rxq;
344 /* Allocate RX ring hardware descriptors */
345 if (bnxt_alloc_rings(bp, queue_idx, NULL, rxq, rxq->cp_ring, NULL,
348 "ring_dma_zone_reserve for rx_ring failed!\n");
349 bnxt_rx_queue_release_op(rxq);
353 rte_atomic64_init(&rxq->rx_mbuf_alloc_fail);
355 /* rxq 0 must not be stopped when used as async CPR */
356 if (!BNXT_NUM_ASYNC_CPR(bp) && queue_idx == 0)
357 rxq->rx_deferred_start = false;
359 rxq->rx_deferred_start = rx_conf->rx_deferred_start;
361 if (rxq->rx_deferred_start) {
362 queue_state = RTE_ETH_QUEUE_STATE_STOPPED;
363 rxq->rx_started = false;
365 queue_state = RTE_ETH_QUEUE_STATE_STARTED;
366 rxq->rx_started = true;
368 eth_dev->data->rx_queue_state[queue_idx] = queue_state;
369 rte_spinlock_init(&rxq->lock);
371 /* Configure mtu if it is different from what was configured before */
373 bnxt_mtu_set_op(eth_dev, eth_dev->data->mtu);
380 bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id)
382 struct bnxt *bp = eth_dev->data->dev_private;
383 struct bnxt_rx_queue *rxq;
384 struct bnxt_cp_ring_info *cpr;
387 rc = is_bnxt_in_error(bp);
391 if (eth_dev->data->rx_queues) {
392 rxq = eth_dev->data->rx_queues[queue_id];
397 B_CP_DB_REARM(cpr, cpr->cp_raw_cons);
403 bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id)
405 struct bnxt *bp = eth_dev->data->dev_private;
406 struct bnxt_rx_queue *rxq;
407 struct bnxt_cp_ring_info *cpr;
410 rc = is_bnxt_in_error(bp);
414 if (eth_dev->data->rx_queues) {
415 rxq = eth_dev->data->rx_queues[queue_id];
425 int bnxt_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
427 struct bnxt *bp = dev->data->dev_private;
428 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
429 struct bnxt_rx_queue *rxq = bp->rx_queues[rx_queue_id];
430 struct bnxt_vnic_info *vnic = NULL;
433 rc = is_bnxt_in_error(bp);
438 PMD_DRV_LOG(ERR, "Invalid Rx queue %d\n", rx_queue_id);
442 /* Set the queue state to started here.
443 * We check the status of the queue while posting buffer.
444 * If queue is it started, we do not post buffers for Rx.
446 rxq->rx_started = true;
447 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
449 bnxt_free_hwrm_rx_ring(bp, rx_queue_id);
450 rc = bnxt_alloc_hwrm_rx_ring(bp, rx_queue_id);
454 if (BNXT_CHIP_THOR(bp)) {
455 /* Reconfigure default receive ring and MRU. */
456 bnxt_hwrm_vnic_cfg(bp, rxq->vnic);
458 PMD_DRV_LOG(INFO, "Rx queue started %d\n", rx_queue_id);
460 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
463 if (BNXT_HAS_RING_GRPS(bp)) {
464 if (vnic->fw_grp_ids[rx_queue_id] != INVALID_HW_RING_ID)
467 vnic->fw_grp_ids[rx_queue_id] =
468 bp->grp_info[rx_queue_id].fw_grp_id;
470 "vnic = %p fw_grp_id = %d\n",
471 vnic, bp->grp_info[rx_queue_id].fw_grp_id);
474 PMD_DRV_LOG(DEBUG, "Rx Queue Count %d\n", vnic->rx_queue_cnt);
475 rc = bnxt_vnic_rss_configure(bp, vnic);
479 dev->data->rx_queue_state[rx_queue_id] =
480 RTE_ETH_QUEUE_STATE_STOPPED;
481 rxq->rx_started = false;
485 "queue %d, rx_deferred_start %d, state %d!\n",
486 rx_queue_id, rxq->rx_deferred_start,
487 bp->eth_dev->data->rx_queue_state[rx_queue_id]);
492 int bnxt_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
494 struct bnxt *bp = dev->data->dev_private;
495 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
496 struct bnxt_vnic_info *vnic = NULL;
497 struct bnxt_rx_queue *rxq = NULL;
498 int active_queue_cnt = 0;
501 rc = is_bnxt_in_error(bp);
505 /* For the stingray platform and other platforms needing tighter
506 * control of resource utilization, Rx CQ 0 also works as
507 * Default CQ for async notifications
509 if (!BNXT_NUM_ASYNC_CPR(bp) && !rx_queue_id) {
510 PMD_DRV_LOG(ERR, "Cannot stop Rx queue id %d\n", rx_queue_id);
514 rxq = bp->rx_queues[rx_queue_id];
518 PMD_DRV_LOG(ERR, "Invalid Rx queue %d\n", rx_queue_id);
522 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
523 rxq->rx_started = false;
524 PMD_DRV_LOG(DEBUG, "Rx queue stopped\n");
526 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
527 if (BNXT_HAS_RING_GRPS(bp))
528 vnic->fw_grp_ids[rx_queue_id] = INVALID_HW_RING_ID;
530 PMD_DRV_LOG(DEBUG, "Rx Queue Count %d\n", vnic->rx_queue_cnt);
531 rc = bnxt_vnic_rss_configure(bp, vnic);
534 if (BNXT_CHIP_THOR(bp)) {
535 /* Compute current number of active receive queues. */
536 for (i = vnic->start_grp_id; i < vnic->end_grp_id; i++)
537 if (bp->rx_queues[i]->rx_started)
541 * For Thor, we need to ensure that the VNIC default receive
542 * ring corresponds to an active receive queue. When no queue
543 * is active, we need to temporarily set the MRU to zero so
544 * that packets are dropped early in the receive pipeline in
545 * order to prevent the VNIC default receive ring from being
548 if (active_queue_cnt == 0) {
549 uint16_t saved_mru = vnic->mru;
552 /* Reconfigure default receive ring and MRU. */
553 bnxt_hwrm_vnic_cfg(bp, vnic);
554 vnic->mru = saved_mru;
556 /* Reconfigure default receive ring. */
557 bnxt_hwrm_vnic_cfg(bp, vnic);
562 bnxt_rx_queue_release_mbufs(rxq);