1/* Definitions for Econet sockets. */
2
3#ifndef __LINUX_IF_EC
4#define __LINUX_IF_EC
5
6/* User visible stuff. Glibc provides its own but libc5 folk will use these */
7
8struct ec_addr
9{
10  unsigned char station;		/* Station number.  */
11  unsigned char net;			/* Network number.  */
12};
13
14struct sockaddr_ec
15{
16  unsigned short sec_family;
17  unsigned char port;			/* Port number.  */
18  unsigned char cb;			/* Control/flag byte.  */
19  unsigned char type;			/* Type of message.  */
20  struct ec_addr addr;
21  unsigned long cookie;
22};
23
24#define ECTYPE_PACKET_RECEIVED		0	/* Packet received */
25#define ECTYPE_TRANSMIT_STATUS		0x10	/* Transmit completed,
26						   low nibble holds status */
27
28#define ECTYPE_TRANSMIT_OK		1
29#define ECTYPE_TRANSMIT_NOT_LISTENING	2
30#define ECTYPE_TRANSMIT_NET_ERROR	3
31#define ECTYPE_TRANSMIT_NO_CLOCK	4
32#define ECTYPE_TRANSMIT_LINE_JAMMED	5
33#define ECTYPE_TRANSMIT_NOT_PRESENT	6
34
35#ifdef __KERNEL__
36
37#define EC_HLEN				6
38
39/* This is what an Econet frame looks like on the wire. */
40struct ec_framehdr
41{
42  unsigned char dst_stn;
43  unsigned char dst_net;
44  unsigned char src_stn;
45  unsigned char src_net;
46  unsigned char cb;
47  unsigned char port;
48};
49
50struct econet_sock {
51  /* struct sock has to be the first member of econet_sock */
52  struct sock	sk;
53  unsigned char cb;
54  unsigned char port;
55  unsigned char station;
56  unsigned char net;
57  unsigned short num;
58};
59
60static inline struct econet_sock *ec_sk(const struct sock *sk)
61{
62	return (struct econet_sock *)sk;
63}
64
65struct ec_device
66{
67  unsigned char station, net;		/* Econet protocol address */
68};
69
70#endif
71
72#endif
73