1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
8 #include <rte_malloc.h>
12 #include "bnxt_filter.h"
13 #include "bnxt_hwrm.h"
14 #include "bnxt_ring.h"
17 #include "bnxt_vnic.h"
18 #include "hsi_struct_def_dpdk.h"
24 void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq)
26 if (rxq && rxq->cp_ring && rxq->cp_ring->hw_stats)
27 rxq->cp_ring->hw_stats = NULL;
30 int bnxt_mq_rx_configure(struct bnxt *bp)
32 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
33 const struct rte_eth_vmdq_rx_conf *conf =
34 &dev_conf->rx_adv_conf.vmdq_rx_conf;
35 unsigned int i, j, nb_q_per_grp = 1, ring_idx = 0;
36 int start_grp_id, end_grp_id = 1, rc = 0;
37 struct bnxt_vnic_info *vnic;
38 struct bnxt_filter_info *filter;
39 enum rte_eth_nb_pools pools = bp->rx_cp_nr_rings, max_pools = 0;
40 struct bnxt_rx_queue *rxq;
44 /* Single queue mode */
45 if (bp->rx_cp_nr_rings < 2) {
46 vnic = &bp->vnic_info[0];
48 PMD_DRV_LOG(ERR, "VNIC alloc failed\n");
52 vnic->flags |= BNXT_VNIC_INFO_BCAST;
55 rxq = bp->eth_dev->data->rx_queues[0];
58 vnic->func_default = true;
59 vnic->start_grp_id = 0;
60 vnic->end_grp_id = vnic->start_grp_id;
61 filter = bnxt_alloc_filter(bp);
63 PMD_DRV_LOG(ERR, "L2 filter alloc failed\n");
67 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
71 /* Multi-queue mode */
72 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB_RSS) {
73 /* VMDq ONLY, VMDq+RSS, VMDq+DCB, VMDq+DCB+RSS */
75 switch (dev_conf->rxmode.mq_mode) {
76 case ETH_MQ_RX_VMDQ_RSS:
77 case ETH_MQ_RX_VMDQ_ONLY:
80 pools = conf->nb_queue_pools;
81 /* For each pool, allocate MACVLAN CFA rule & VNIC */
82 max_pools = RTE_MIN(bp->max_vnics,
83 RTE_MIN(bp->max_l2_ctx,
84 RTE_MIN(bp->max_rsscos_ctx,
87 "pools = %u max_pools = %u\n",
89 if (pools > max_pools)
96 PMD_DRV_LOG(ERR, "Unsupported mq_mod %d\n",
97 dev_conf->rxmode.mq_mode);
102 nb_q_per_grp = bp->rx_cp_nr_rings / pools;
103 PMD_DRV_LOG(ERR, "pools = %u nb_q_per_grp = %u\n", pools, nb_q_per_grp);
105 end_grp_id = nb_q_per_grp;
107 for (i = 0; i < pools; i++) {
108 vnic = &bp->vnic_info[i];
110 PMD_DRV_LOG(ERR, "VNIC alloc failed\n");
114 vnic->flags |= BNXT_VNIC_INFO_BCAST;
117 for (j = 0; j < nb_q_per_grp; j++, ring_idx++) {
118 rxq = bp->eth_dev->data->rx_queues[ring_idx];
121 "rxq[%d] = %p vnic[%d] = %p\n",
122 ring_idx, rxq, i, vnic);
125 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB) {
126 bp->eth_dev->data->promiscuous = 1;
127 vnic->flags |= BNXT_VNIC_INFO_PROMISC;
129 vnic->func_default = true;
131 vnic->start_grp_id = start_grp_id;
132 vnic->end_grp_id = end_grp_id;
135 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB ||
136 !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS))
137 vnic->rss_dflt_cr = true;
138 goto skip_filter_allocation;
140 filter = bnxt_alloc_filter(bp);
142 PMD_DRV_LOG(ERR, "L2 filter alloc failed\n");
147 * TODO: Configure & associate CFA rule for
148 * each VNIC for each VMDq with MACVLAN, MACVLAN+TC
150 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
152 skip_filter_allocation:
153 start_grp_id = end_grp_id;
154 end_grp_id += nb_q_per_grp;
158 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
159 struct rte_eth_rss_conf *rss = &dev_conf->rx_adv_conf.rss_conf;
160 uint16_t hash_type = 0;
162 if (bp->flags & BNXT_FLAG_UPDATE_HASH) {
164 bp->flags &= ~BNXT_FLAG_UPDATE_HASH;
167 if (rss->rss_hf & ETH_RSS_IPV4)
168 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4;
169 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
170 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4;
171 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
172 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4;
173 if (rss->rss_hf & ETH_RSS_IPV6)
174 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6;
175 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
176 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6;
177 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
178 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6;
180 for (i = 0; i < bp->nr_vnics; i++) {
181 vnic = &bp->vnic_info[i];
182 vnic->hash_type = hash_type;
185 * Use the supplied key if the key length is
186 * acceptable and the rss_key is not NULL
189 rss->rss_key_len <= HW_HASH_KEY_SIZE)
190 memcpy(vnic->rss_hash_key,
191 rss->rss_key, rss->rss_key_len);
198 /* Free allocated vnic/filters */
203 void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq)
205 struct bnxt_sw_rx_bd *sw_ring;
206 struct bnxt_tpa_info *tpa_info;
209 rte_spinlock_lock(&rxq->lock);
212 sw_ring = rxq->rx_ring->rx_buf_ring;
215 i < rxq->rx_ring->rx_ring_struct->ring_size; i++) {
216 if (sw_ring[i].mbuf) {
217 rte_pktmbuf_free_seg(sw_ring[i].mbuf);
218 sw_ring[i].mbuf = NULL;
222 /* Free up mbufs in Agg ring */
223 sw_ring = rxq->rx_ring->ag_buf_ring;
226 i < rxq->rx_ring->ag_ring_struct->ring_size; i++) {
227 if (sw_ring[i].mbuf) {
228 rte_pktmbuf_free_seg(sw_ring[i].mbuf);
229 sw_ring[i].mbuf = NULL;
234 /* Free up mbufs in TPA */
235 tpa_info = rxq->rx_ring->tpa_info;
237 for (i = 0; i < BNXT_TPA_MAX; i++) {
238 if (tpa_info[i].mbuf) {
239 rte_pktmbuf_free_seg(tpa_info[i].mbuf);
240 tpa_info[i].mbuf = NULL;
246 rte_spinlock_unlock(&rxq->lock);
249 void bnxt_free_rx_mbufs(struct bnxt *bp)
251 struct bnxt_rx_queue *rxq;
254 for (i = 0; i < (int)bp->rx_nr_rings; i++) {
255 rxq = bp->rx_queues[i];
256 bnxt_rx_queue_release_mbufs(rxq);
260 void bnxt_rx_queue_release_op(void *rx_queue)
262 struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
265 bnxt_rx_queue_release_mbufs(rxq);
267 /* Free RX ring hardware descriptors */
268 bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
269 /* Free RX Agg ring hardware descriptors */
270 bnxt_free_ring(rxq->rx_ring->ag_ring_struct);
272 /* Free RX completion ring hardware descriptors */
273 bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
275 bnxt_free_rxq_stats(rxq);
276 rte_memzone_free(rxq->mz);
283 int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
286 unsigned int socket_id,
287 const struct rte_eth_rxconf *rx_conf,
288 struct rte_mempool *mp)
290 struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
291 uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads;
292 struct bnxt_rx_queue *rxq;
296 if (queue_idx >= bp->max_rx_rings) {
298 "Cannot create Rx ring %d. Only %d rings available\n",
299 queue_idx, bp->max_rx_rings);
303 if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
304 PMD_DRV_LOG(ERR, "nb_desc %d is invalid\n", nb_desc);
309 if (eth_dev->data->rx_queues) {
310 rxq = eth_dev->data->rx_queues[queue_idx];
312 bnxt_rx_queue_release_op(rxq);
314 rxq = rte_zmalloc_socket("bnxt_rx_queue", sizeof(struct bnxt_rx_queue),
315 RTE_CACHE_LINE_SIZE, socket_id);
317 PMD_DRV_LOG(ERR, "bnxt_rx_queue allocation failed!\n");
323 rxq->nb_rx_desc = nb_desc;
324 rxq->rx_free_thresh = rx_conf->rx_free_thresh;
326 PMD_DRV_LOG(DEBUG, "RX Buf size is %d\n", rxq->rx_buf_use_size);
327 PMD_DRV_LOG(DEBUG, "RX Buf MTU %d\n", eth_dev->data->mtu);
329 rc = bnxt_init_rx_ring_struct(rxq, socket_id);
333 rxq->queue_id = queue_idx;
334 rxq->port_id = eth_dev->data->port_id;
335 if (rx_offloads & DEV_RX_OFFLOAD_KEEP_CRC)
336 rxq->crc_len = ETHER_CRC_LEN;
340 eth_dev->data->rx_queues[queue_idx] = rxq;
341 /* Allocate RX ring hardware descriptors */
342 if (bnxt_alloc_rings(bp, queue_idx, NULL, rxq, rxq->cp_ring,
345 "ring_dma_zone_reserve for rx_ring failed!\n");
346 bnxt_rx_queue_release_op(rxq);
350 rte_atomic64_init(&rxq->rx_mbuf_alloc_fail);
352 rxq->rx_deferred_start = rx_conf->rx_deferred_start;
353 queue_state = rxq->rx_deferred_start ? RTE_ETH_QUEUE_STATE_STOPPED :
354 RTE_ETH_QUEUE_STATE_STARTED;
355 eth_dev->data->rx_queue_state[queue_idx] = queue_state;
356 rte_spinlock_init(&rxq->lock);
362 bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id)
364 struct bnxt_rx_queue *rxq;
365 struct bnxt_cp_ring_info *cpr;
368 if (eth_dev->data->rx_queues) {
369 rxq = eth_dev->data->rx_queues[queue_id];
381 bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id)
383 struct bnxt_rx_queue *rxq;
384 struct bnxt_cp_ring_info *cpr;
387 if (eth_dev->data->rx_queues) {
388 rxq = eth_dev->data->rx_queues[queue_id];
399 int bnxt_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
401 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
402 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
403 struct bnxt_rx_queue *rxq = bp->rx_queues[rx_queue_id];
404 struct bnxt_vnic_info *vnic = NULL;
408 PMD_DRV_LOG(ERR, "Invalid Rx queue %d\n", rx_queue_id);
412 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
414 bnxt_free_hwrm_rx_ring(bp, rx_queue_id);
415 bnxt_alloc_hwrm_rx_ring(bp, rx_queue_id);
416 PMD_DRV_LOG(INFO, "Rx queue started %d\n", rx_queue_id);
418 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
421 if (vnic->fw_grp_ids[rx_queue_id] != INVALID_HW_RING_ID)
425 "vnic = %p fw_grp_id = %d\n",
426 vnic, bp->grp_info[rx_queue_id].fw_grp_id);
428 vnic->fw_grp_ids[rx_queue_id] =
429 bp->grp_info[rx_queue_id].fw_grp_id;
430 rc = bnxt_vnic_rss_configure(bp, vnic);
434 rxq->rx_deferred_start = false;
439 int bnxt_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
441 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
442 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
443 struct bnxt_vnic_info *vnic = NULL;
444 struct bnxt_rx_queue *rxq = NULL;
447 /* Rx CQ 0 also works as Default CQ for async notifications */
449 PMD_DRV_LOG(ERR, "Cannot stop Rx queue id %d\n", rx_queue_id);
453 rxq = bp->rx_queues[rx_queue_id];
456 PMD_DRV_LOG(ERR, "Invalid Rx queue %d\n", rx_queue_id);
460 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
461 rxq->rx_deferred_start = true;
462 PMD_DRV_LOG(DEBUG, "Rx queue stopped\n");
464 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
466 vnic->fw_grp_ids[rx_queue_id] = INVALID_HW_RING_ID;
467 rc = bnxt_vnic_rss_configure(bp, vnic);
471 bnxt_rx_queue_release_mbufs(rxq);