memif_socket.h

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2018-2021 Cisco Systems, Inc.  All rights reserved.
 */
 
#ifndef _MEMIF_SOCKET_H_
#define _MEMIF_SOCKET_H_
 
#include <sys/queue.h>
#include <sys/un.h>
#include <cne_event.h>
#include "memif.h"
 
struct cne_memif_socket_dev_list_elt {
    TAILQ_ENTRY(cne_memif_socket_dev_list_elt) next;
    struct cne_pktdev *dev; 
};
 
#define CNE_MEMIF_SOCKET_HASH_NAME "memif-sh"
#define UNIX_PATH_MAX              108
 
struct cne_memif_socket {
    struct cne_ev_handle ev_handle; 
    char filename[UNIX_PATH_MAX];   
    TAILQ_HEAD(, cne_memif_socket_dev_list_elt) dev_queue;
    uint8_t listener; 
};
 
/* Control message queue. */
struct cne_memif_msg_queue_elt {
    cne_memif_msg_t msg; 
    TAILQ_ENTRY(cne_memif_msg_queue_elt) next;
    int fd; 
};
 
struct cne_memif_control_channel {
    struct cne_ev_handle ev_handle;                  
    TAILQ_HEAD(, cne_memif_msg_queue_elt) msg_queue; 
    struct cne_memif_socket *socket;                 
    struct cne_pktdev *dev;                          
};
 
void cne_memif_socket_remove_device(struct cne_pktdev *dev);
 
void cne_memif_msg_enq_disconnect(struct cne_memif_control_channel *cc, const char *reason,
                                  int err_code);
 
int cne_memif_socket_init(struct cne_pktdev *dev, const char *socket_filename);
 
void cne_memif_disconnect(struct cne_pktdev *dev);
 
int cne_memif_connect_server(struct cne_pktdev *dev);
 
int cne_memif_connect_client(struct cne_pktdev *dev);
 
#endif /* MEMIF_SOCKET_H */