1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
8 #include <rte_malloc.h>
11 #include "bnxt_hwrm.h"
12 #include "bnxt_ring.h"
20 void bnxt_free_txq_stats(struct bnxt_tx_queue *txq)
22 if (txq && txq->cp_ring && txq->cp_ring->hw_stats)
23 txq->cp_ring->hw_stats = NULL;
26 static void bnxt_tx_queue_release_mbufs(struct bnxt_tx_queue *txq)
28 struct rte_mbuf **sw_ring;
31 if (!txq || !txq->tx_ring)
34 sw_ring = txq->tx_ring->tx_buf_ring;
36 for (i = 0; i < txq->tx_ring->tx_ring_struct->ring_size; i++) {
38 rte_pktmbuf_free_seg(sw_ring[i]);
45 void bnxt_free_tx_mbufs(struct bnxt *bp)
47 struct bnxt_tx_queue *txq;
50 for (i = 0; i < (int)bp->tx_nr_rings; i++) {
51 txq = bp->tx_queues[i];
52 bnxt_tx_queue_release_mbufs(txq);
56 void bnxt_tx_queue_release_op(struct rte_eth_dev *dev, uint16_t queue_idx)
58 struct bnxt_tx_queue *txq = dev->data->tx_queues[queue_idx];
61 if (is_bnxt_in_error(txq->bp))
64 /* Free TX ring hardware descriptors */
65 bnxt_free_hwrm_tx_ring(txq->bp, txq->queue_id);
66 bnxt_tx_queue_release_mbufs(txq);
68 bnxt_free_ring(txq->tx_ring->tx_ring_struct);
69 rte_free(txq->tx_ring->tx_ring_struct);
70 rte_free(txq->tx_ring);
73 /* Free TX completion ring hardware descriptors */
75 bnxt_free_ring(txq->cp_ring->cp_ring_struct);
76 rte_free(txq->cp_ring->cp_ring_struct);
77 rte_free(txq->cp_ring);
80 bnxt_free_txq_stats(txq);
81 rte_memzone_free(txq->mz);
86 dev->data->tx_queues[queue_idx] = NULL;
90 int bnxt_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
93 unsigned int socket_id,
94 const struct rte_eth_txconf *tx_conf)
96 struct bnxt *bp = eth_dev->data->dev_private;
97 struct bnxt_tx_queue *txq;
100 rc = is_bnxt_in_error(bp);
104 if (queue_idx >= bnxt_max_rings(bp)) {
106 "Cannot create Tx ring %d. Only %d rings available\n",
107 queue_idx, bp->max_tx_rings);
111 if (nb_desc < BNXT_MIN_RING_DESC || nb_desc > MAX_TX_DESC_CNT) {
112 PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
116 if (eth_dev->data->tx_queues) {
117 txq = eth_dev->data->tx_queues[queue_idx];
119 bnxt_tx_queue_release_op(eth_dev, queue_idx);
121 txq = rte_zmalloc_socket("bnxt_tx_queue", sizeof(struct bnxt_tx_queue),
122 RTE_CACHE_LINE_SIZE, socket_id);
124 PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
129 eth_dev->data->tx_queues[queue_idx] = txq;
131 txq->free = rte_zmalloc_socket(NULL,
132 sizeof(struct rte_mbuf *) * nb_desc,
133 RTE_CACHE_LINE_SIZE, socket_id);
135 PMD_DRV_LOG(ERR, "allocation of tx mbuf free array failed!");
139 txq->nb_tx_desc = nb_desc;
140 txq->tx_free_thresh =
141 RTE_MIN(rte_align32pow2(nb_desc) / 4, RTE_BNXT_MAX_TX_BURST);
142 txq->offloads = eth_dev->data->dev_conf.txmode.offloads |
145 txq->tx_deferred_start = tx_conf->tx_deferred_start;
147 rc = bnxt_init_tx_ring_struct(txq, socket_id);
151 txq->queue_id = queue_idx;
152 txq->port_id = eth_dev->data->port_id;
154 /* Allocate TX ring hardware descriptors */
155 if (bnxt_alloc_rings(bp, socket_id, queue_idx, txq, NULL, txq->cp_ring,
157 PMD_DRV_LOG(ERR, "ring_dma_zone_reserve for tx_ring failed!");
162 if (bnxt_init_one_tx_ring(txq)) {
163 PMD_DRV_LOG(ERR, "bnxt_init_one_tx_ring failed!");
170 bnxt_tx_queue_release_op(eth_dev, queue_idx);