File: if_ec.h

package info (click to toggle)
linux-tools 3.2.17-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 57,020 kB
  • sloc: ansic: 724,385; perl: 11,579; makefile: 5,064; cpp: 3,963; python: 2,924; sh: 2,513; yacc: 1,291; lex: 947; asm: 880; pascal: 80
file content (68 lines) | stat: -rw-r--r-- 1,576 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/* 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