mirror of https://gitee.com/openkylin/linux.git
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
/* Definitions for Econet sockets. */
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#ifndef __LINUX_IF_EC
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#define __LINUX_IF_EC
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/* User visible stuff. Glibc provides its own but libc5 folk will use these */
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struct ec_addr
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{
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unsigned char station; /* Station number. */
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unsigned char net; /* Network number. */
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};
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struct sockaddr_ec
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{
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unsigned short sec_family;
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unsigned char port; /* Port number. */
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unsigned char cb; /* Control/flag byte. */
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unsigned char type; /* Type of message. */
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struct ec_addr addr;
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unsigned long cookie;
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};
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#define ECTYPE_PACKET_RECEIVED 0 /* Packet received */
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#define ECTYPE_TRANSMIT_STATUS 0x10 /* Transmit completed,
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low nibble holds status */
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#define ECTYPE_TRANSMIT_OK 1
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#define ECTYPE_TRANSMIT_NOT_LISTENING 2
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#define ECTYPE_TRANSMIT_NET_ERROR 3
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#define ECTYPE_TRANSMIT_NO_CLOCK 4
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#define ECTYPE_TRANSMIT_LINE_JAMMED 5
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#define ECTYPE_TRANSMIT_NOT_PRESENT 6
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#ifdef __KERNEL__
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#define EC_HLEN 6
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/* This is what an Econet frame looks like on the wire. */
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struct ec_framehdr
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{
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unsigned char dst_stn;
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unsigned char dst_net;
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unsigned char src_stn;
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unsigned char src_net;
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unsigned char cb;
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unsigned char port;
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};
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struct econet_sock {
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/* struct sock has to be the first member of econet_sock */
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struct sock sk;
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unsigned char cb;
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unsigned char port;
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unsigned char station;
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unsigned char net;
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unsigned short num;
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};
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static inline struct econet_sock *ec_sk(const struct sock *sk)
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{
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return (struct econet_sock *)sk;
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}
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struct ec_device
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{
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unsigned char station, net; /* Econet protocol address */
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};
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#endif
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#endif
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