include/linux/if_ec.h

   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
   8 struct ec_addr
   9 {
  10   unsigned char station;                /* Station number.  */
  11   unsigned char net;                    /* Network number.  */
  12 };
  13
  14 struct 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. */
  40 struct 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
  50 struct 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
  60 static inline struct econet_sock *ec_sk(const struct sock *sk)
  61 {
  62         return (struct econet_sock *)sk;
  63 }
  64
  65 struct ec_device
  66 {
  67   unsigned char station, net;           /* Econet protocol address */
  68 };
  69
  70 #endif
  71
  72 #endif