6435f9a0ac
Added new net driver for Netcope nfb cards Signed-off-by: Rastislav Cernay <cernay@netcope.com>
128 lines
2.5 KiB
C
128 lines
2.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2019 Cesnet
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* Copyright(c) 2019 Netcope Technologies, a.s. <info@netcope.com>
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* All rights reserved.
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*/
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#include "nfb_rx.h"
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#include "nfb.h"
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int
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nfb_eth_rx_queue_start(struct rte_eth_dev *dev, uint16_t rxq_id)
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{
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struct ndp_rx_queue *rxq = dev->data->rx_queues[rxq_id];
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int ret;
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if (rxq->queue == NULL) {
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RTE_LOG(ERR, PMD, "RX NDP queue is NULL!\n");
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return -EINVAL;
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}
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ret = ndp_queue_start(rxq->queue);
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if (ret != 0)
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goto err;
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dev->data->rx_queue_state[rxq_id] = RTE_ETH_QUEUE_STATE_STARTED;
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return 0;
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err:
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return -EINVAL;
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}
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int
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nfb_eth_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rxq_id)
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{
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struct ndp_rx_queue *rxq = dev->data->rx_queues[rxq_id];
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int ret;
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if (rxq->queue == NULL) {
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RTE_LOG(ERR, PMD, "RX NDP queue is NULL!\n");
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return -EINVAL;
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}
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ret = ndp_queue_stop(rxq->queue);
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if (ret != 0)
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return -EINVAL;
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dev->data->rx_queue_state[rxq_id] = RTE_ETH_QUEUE_STATE_STOPPED;
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return 0;
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}
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int
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nfb_eth_rx_queue_setup(struct rte_eth_dev *dev,
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uint16_t rx_queue_id,
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uint16_t nb_rx_desc __rte_unused,
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unsigned int socket_id,
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const struct rte_eth_rxconf *rx_conf __rte_unused,
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struct rte_mempool *mb_pool)
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{
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struct pmd_internals *internals = dev->data->dev_private;
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struct ndp_rx_queue *rxq;
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int ret;
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rxq = rte_zmalloc_socket("ndp rx queue",
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sizeof(struct ndp_rx_queue),
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RTE_CACHE_LINE_SIZE, socket_id);
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if (rxq == NULL) {
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RTE_LOG(ERR, PMD, "rte_zmalloc_socket() failed for rx queue id "
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"%" PRIu16 "!\n", rx_queue_id);
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return -ENOMEM;
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}
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ret = nfb_eth_rx_queue_init(internals->nfb,
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rx_queue_id,
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dev->data->port_id,
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mb_pool,
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rxq);
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if (ret == 0)
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dev->data->rx_queues[rx_queue_id] = rxq;
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else
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rte_free(rxq);
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return ret;
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}
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int
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nfb_eth_rx_queue_init(struct nfb_device *nfb,
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uint16_t rx_queue_id,
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uint16_t port_id,
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struct rte_mempool *mb_pool,
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struct ndp_rx_queue *rxq)
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{
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const struct rte_pktmbuf_pool_private *mbp_priv =
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rte_mempool_get_priv(mb_pool);
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if (nfb == NULL)
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return -EINVAL;
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rxq->queue = ndp_open_rx_queue(nfb, rx_queue_id);
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if (rxq->queue == NULL)
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return -EINVAL;
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rxq->nfb = nfb;
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rxq->rx_queue_id = rx_queue_id;
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rxq->in_port = port_id;
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rxq->mb_pool = mb_pool;
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rxq->buf_size = (uint16_t)(mbp_priv->mbuf_data_room_size -
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RTE_PKTMBUF_HEADROOM);
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rxq->rx_pkts = 0;
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rxq->rx_bytes = 0;
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rxq->err_pkts = 0;
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return 0;
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}
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void
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nfb_eth_rx_queue_release(void *q)
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{
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struct ndp_rx_queue *rxq = (struct ndp_rx_queue *)q;
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if (rxq->queue != NULL) {
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ndp_close_rx_queue(rxq->queue);
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rte_free(rxq);
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rxq->queue = NULL;
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}
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}
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