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/* Definitions for Econet sockets. */

#ifndef __LINUX_IF_EC

#define __LINUX_IF_EC

/* User visible stuff. Glibc provides its own but libc5 folk will use these */

struct ec_addr

{

  unsigned char station;                /* Station number.  */

  unsigned char net;                    /* Network number.  */

};

struct sockaddr_ec

{

  unsigned short sec_family;

  unsigned char port;                   /* Port number.  */

  unsigned char cb;                     /* Control/flag byte.  */

  unsigned char type;                   /* Type of message.  */

  struct ec_addr addr;

  unsigned long cookie;

};

#define ECTYPE_PACKET_RECEIVED          0        /* Packet received */

#define ECTYPE_TRANSMIT_STATUS          0x10    /* Transmit completed, 

                                                   low nibble holds status */

#define ECTYPE_TRANSMIT_OK              1

#define ECTYPE_TRANSMIT_NOT_LISTENING   2

#define ECTYPE_TRANSMIT_NET_ERROR       3

#define ECTYPE_TRANSMIT_NO_CLOCK        4

#define ECTYPE_TRANSMIT_LINE_JAMMED     5

#define ECTYPE_TRANSMIT_NOT_PRESENT     6

#ifdef __KERNEL__

#define EC_HLEN                         6

/* This is what an Econet frame looks like on the wire. */

struct ec_framehdr

{

  unsigned char dst_stn;

  unsigned char dst_net;

  unsigned char src_stn;

  unsigned char src_net;

  unsigned char cb;

  unsigned char port;

};

struct econet_sock {

  /* struct sock has to be the first member of econet_sock */

  struct sock   sk;

  unsigned char cb;

  unsigned char port;

  unsigned char station;

  unsigned char net;

  unsigned short num;

};

static inline struct econet_sock *ec_sk(const struct sock *sk)

{

        return (struct econet_sock *)sk;

}

struct ec_device

{

  unsigned char station, net;           /* Econet protocol address */

};

#endif

#endif