rte_ethdev_core.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2017 Intel Corporation
 */
 
#ifndef _RTE_ETHDEV_CORE_H_
#define _RTE_ETHDEV_CORE_H_

 
struct rte_eth_dev_callback;
RTE_TAILQ_HEAD(rte_eth_dev_cb_list, rte_eth_dev_callback);
 
struct rte_eth_dev;

typedef uint16_t (*eth_rx_burst_t)(void *rxq,
                   struct rte_mbuf **rx_pkts,
                   uint16_t nb_pkts);

typedef uint16_t (*eth_tx_burst_t)(void *txq,
                   struct rte_mbuf **tx_pkts,
                   uint16_t nb_pkts);

typedef uint16_t (*eth_tx_prep_t)(void *txq,
                   struct rte_mbuf **tx_pkts,
                   uint16_t nb_pkts);
 

typedef int (*eth_rx_queue_count_t)(void *rxq);

typedef int (*eth_rx_descriptor_status_t)(void *rxq, uint16_t offset);

typedef int (*eth_tx_queue_count_t)(void *txq);

typedef int (*eth_tx_descriptor_status_t)(void *txq, uint16_t offset);

typedef uint16_t (*eth_recycle_tx_mbufs_reuse_t)(void *txq,
        struct rte_eth_recycle_rxq_info *recycle_rxq_info);

typedef void (*eth_recycle_rx_descriptors_refill_t)(void *rxq, uint16_t nb);

struct rte_ethdev_qdata {
    void **data;
    RTE_ATOMIC(void *) *clbk;
};

struct __rte_cache_aligned rte_eth_fp_ops {

    struct rte_ethdev_qdata rxq;
    eth_rx_burst_t rx_pkt_burst;
    eth_rx_queue_count_t rx_queue_count;
    eth_rx_descriptor_status_t rx_descriptor_status;
    eth_recycle_rx_descriptors_refill_t recycle_rx_descriptors_refill;
    uintptr_t reserved1[2];

    struct rte_ethdev_qdata txq;
    eth_tx_burst_t tx_pkt_burst;
    eth_tx_prep_t tx_pkt_prepare;
    eth_tx_descriptor_status_t tx_descriptor_status;
    eth_recycle_tx_mbufs_reuse_t recycle_tx_mbufs_reuse;
    eth_tx_queue_count_t tx_queue_count;
    uintptr_t reserved2[1];
 
};
 
extern struct rte_eth_fp_ops rte_eth_fp_ops[RTE_MAX_ETHPORTS];
 
#endif /* _RTE_ETHDEV_CORE_H_ */