73 строки
1.5 KiB
C
73 строки
1.5 KiB
C
/* 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
|