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/*-
* BSD LICENSE
*
* Copyright(c) Broadcom Limited.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Broadcom Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <inttypes.h>
#include <rte_malloc.h>
#include "bnxt.h"
#include "bnxt_cpr.h"
#include "bnxt_ring.h"
#include "bnxt_txq.h"
#include "bnxt_txr.h"
/*
* TX Queues
*/
void bnxt_free_txq_stats(struct bnxt_tx_queue *txq)
{
struct bnxt_cp_ring_info *cpr = txq->cp_ring;
if (cpr->hw_stats)
cpr->hw_stats = NULL;
}
static void bnxt_tx_queue_release_mbufs(struct bnxt_tx_queue *txq)
{
struct bnxt_sw_tx_bd *sw_ring;
uint16_t i;
sw_ring = txq->tx_ring->tx_buf_ring;
if (sw_ring) {
for (i = 0; i < txq->tx_ring->tx_ring_struct->ring_size; i++) {
if (sw_ring[i].mbuf) {
rte_pktmbuf_free(sw_ring[i].mbuf);
sw_ring[i].mbuf = NULL;
}
}
}
}
void bnxt_free_tx_mbufs(struct bnxt *bp)
{
struct bnxt_tx_queue *txq;
int i;
for (i = 0; i < (int)bp->tx_nr_rings; i++) {
txq = bp->tx_queues[i];
bnxt_tx_queue_release_mbufs(txq);
}
}
void bnxt_tx_queue_release_op(void *tx_queue)
{
struct bnxt_tx_queue *txq = (struct bnxt_tx_queue *)tx_queue;
if (txq) {
/* Free TX ring hardware descriptors */
bnxt_tx_queue_release_mbufs(txq);
bnxt_free_ring(txq->tx_ring->tx_ring_struct);
/* Free TX completion ring hardware descriptors */
bnxt_free_ring(txq->cp_ring->cp_ring_struct);
bnxt_free_txq_stats(txq);
rte_free(txq);
}
}
int bnxt_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
struct bnxt_tx_queue *txq;
int rc = 0;
if (queue_idx >= bp->max_tx_rings) {
PMD_DRV_LOG(ERR,
"Cannot create Tx ring %d. Only %d rings available\n",
queue_idx, bp->max_tx_rings);
return -ENOSPC;
}
if (!nb_desc || nb_desc > MAX_TX_DESC_CNT) {
PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
rc = -EINVAL;
goto out;
}
if (eth_dev->data->tx_queues) {
txq = eth_dev->data->tx_queues[queue_idx];
if (txq) {
bnxt_tx_queue_release_op(txq);
txq = NULL;
}
}
txq = rte_zmalloc_socket("bnxt_tx_queue", sizeof(struct bnxt_tx_queue),
RTE_CACHE_LINE_SIZE, socket_id);
if (!txq) {
PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
rc = -ENOMEM;
goto out;
}
txq->bp = bp;
txq->nb_tx_desc = nb_desc;
txq->tx_free_thresh = tx_conf->tx_free_thresh;
rc = bnxt_init_tx_ring_struct(txq, socket_id);
if (rc)
goto out;
txq->queue_id = queue_idx;
txq->port_id = eth_dev->data->port_id;
/* Allocate TX ring hardware descriptors */
if (bnxt_alloc_rings(bp, queue_idx, txq->tx_ring, NULL, txq->cp_ring,
"txr")) {
PMD_DRV_LOG(ERR, "ring_dma_zone_reserve for tx_ring failed!");
bnxt_tx_queue_release_op(txq);
rc = -ENOMEM;
goto out;
}
if (bnxt_init_one_tx_ring(txq)) {
PMD_DRV_LOG(ERR, "bnxt_init_one_tx_ring failed!");
bnxt_tx_queue_release_op(txq);
rc = -ENOMEM;
goto out;
}
eth_dev->data->tx_queues[queue_idx] = txq;
out:
return rc;
}
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