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_

#include <pthread.h>

struct rte_eth_dev_callback;
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 uint32_t (*eth_rx_queue_count_t)(struct rte_eth_dev *dev,
                     uint16_t rx_queue_id);
typedef int (*eth_rx_descriptor_done_t)(void *rxq, uint16_t offset);
typedef int (*eth_rx_descriptor_status_t)(void *rxq, uint16_t offset);
typedef int (*eth_tx_descriptor_status_t)(void *txq, uint16_t offset);
struct rte_eth_rxtx_callback {
    struct rte_eth_rxtx_callback *next;
    union{
        rte_rx_callback_fn rx;
        rte_tx_callback_fn tx;
    } fn;
    void *param;
};

struct rte_eth_dev {
    eth_rx_burst_t rx_pkt_burst; 
    eth_tx_burst_t tx_pkt_burst; 
    eth_tx_prep_t tx_pkt_prepare; 
    eth_rx_queue_count_t       rx_queue_count; 
    eth_rx_descriptor_done_t   rx_descriptor_done;   
    eth_rx_descriptor_status_t rx_descriptor_status; 
    eth_tx_descriptor_status_t tx_descriptor_status; 
    struct rte_eth_dev_data *data;  
    void *process_private; 
    const struct eth_dev_ops *dev_ops; 
    struct rte_device *device; 
    struct rte_intr_handle *intr_handle; 
    struct rte_eth_dev_cb_list link_intr_cbs;
    struct rte_eth_rxtx_callback *post_rx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
    struct rte_eth_rxtx_callback *pre_tx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
    enum rte_eth_dev_state state; 
    void *security_ctx; 
    uint64_t reserved_64s[4]; 
    void *reserved_ptrs[4];   
} __rte_cache_aligned;

struct rte_eth_dev_sriov;
struct rte_eth_dev_owner;

struct rte_eth_dev_data {
    char name[RTE_ETH_NAME_MAX_LEN]; 
    void **rx_queues; 
    void **tx_queues; 
    uint16_t nb_rx_queues; 
    uint16_t nb_tx_queues; 
    struct rte_eth_dev_sriov sriov;    
    void *dev_private;
    struct rte_eth_link dev_link;   
    struct rte_eth_conf dev_conf;   
    uint16_t mtu;                   
    uint32_t min_rx_buf_size;
    uint64_t rx_mbuf_alloc_failed; 
    struct rte_ether_addr *mac_addrs;
    uint64_t mac_pool_sel[ETH_NUM_RECEIVE_MAC_ADDR];
    struct rte_ether_addr *hash_mac_addrs;
    uint16_t port_id;           
    __extension__
    uint8_t promiscuous   : 1, 
        scattered_rx : 1,  
        all_multicast : 1, 
        dev_started : 1,   
        lro         : 1;   
    uint8_t rx_queue_state[RTE_MAX_QUEUES_PER_PORT];
    uint8_t tx_queue_state[RTE_MAX_QUEUES_PER_PORT];
    uint32_t dev_flags;             
    int numa_node;                  
    struct rte_vlan_filter_conf vlan_filter_conf;
    struct rte_eth_dev_owner owner; 
    uint16_t representor_id;
    pthread_mutex_t flow_ops_mutex; 
    uint64_t reserved_64s[4]; 
    void *reserved_ptrs[4];   
} __rte_cache_aligned;

extern struct rte_eth_dev rte_eth_devices[];

#endif /* _RTE_ETHDEV_CORE_H_ */