patty/include/patty/ax25.h

#ifndef _PATTY_AX25_H
#define _PATTY_AX25_H

#include <stdint.h>
#include <sys/types.h>

#include <patty/kiss.h>
#include <patty/dict.h>

#include <patty/ax25/macros.h>
#include <patty/ax25/proto.h>
#include <patty/ax25/frame.h>

#define PATTY_AX25_IF_OPT_TYPE_MASK 0x1f

#define PATTY_AX25_IF_OPT_TYPE(n) \
    ((n) & PATTY_AX25_IF_OPT_TYPE_MASK)

enum patty_ax25_if_type {
    PATTY_AX25_IF_UNKNOWN       = 0x00,
    PATTY_AX25_IF_KISS_TNC_TTY  = 0x01,
    PATTY_AX25_IF_KISS_TNC_PORT = 0x02,
    PATTY_AX25_IF_KISS_TNC_I2C  = 0x04,
    PATTY_AX25_IF_KISS_TNC_SPI  = 0x08,
    PATTY_AX25_IF_SOFT_TNC      = 0x10
};

typedef struct _patty_ax25_stats {
    size_t frame_tx;
    size_t frame_rx;
    size_t frame_drop;
} patty_ax25_stats;

typedef struct _patty_ax25_address patty_ax25_port;

typedef struct _patty_ax25_link {
    patty_ax25_port  local;
    patty_ax25_port  remote;
    patty_ax25_stats stats;
} patty_ax25_link;

typedef struct _patty_ax25_if {
    patty_kiss_tnc *  tnc;
    patty_ax25_stats  stats;
    patty_dict *      ports;
} patty_ax25_if;

typedef struct _patty_ax25 {
    patty_dict * ifaces; /* Key: AX.25 interface name */
    patty_dict * ports;  /* Key: Integer port descriptor */
    patty_dict * links;  /* Key: Integer link descriptor */
} patty_ax25;

int patty_ax25_init(patty_ax25 *ax25);

void patty_ax25_finish(patty_ax25 *ax25);

int patty_ax25_create_if(patty_ax25 *ax25, int opts, void *info);

int patty_ax25_each_if(patty_ax25 *ax25,
    int (*callback)(patty_ax25_if *, void *), void *ctx);

int patty_ax25_get_if(patty_ax25 *ax25, const char *name);

int patty_ax25_destroy_if(patty_ax25 *ax25, int iface);

int patty_ax25_listen(patty_ax25 *ax25, int iface,
    const char *callsign, int ssid);

int patty_ax25_shutdown(patty_ax25 *ax25, int port);

int patty_ax25_connect(patty_ax25 *ax25, int port,
    const char *callsign, int ssid);

int patty_ax25_close(patty_ax25 *ax25, int link);

int patty_ax25_recv(patty_ax25 *ax25, int iface, patty_ax25_frame *frame);

int patty_ax25_send(patty_ax25 *ax25, int iface,
    const patty_ax25_frame *frame);

ssize_t patty_ax25_read(patty_ax25 *ax25, int link, void *data, size_t len);

ssize_t patty_ax25_write(patty_ax25 *ax25, int link,
    const void *data, size_t len);

#endif /* _PATTY_AX25_IF */