40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
#ifndef __UM_SLIP_H
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#define __UM_SLIP_H
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#define BUF_SIZE 1500
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/* two bytes each for a (pathological) max packet of escaped chars + *
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* terminating END char + initial END char */
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#define ENC_BUF_SIZE (2 * BUF_SIZE + 2)
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struct slip_data {
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void *dev;
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char name[sizeof("slnnnnn\0")];
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char *addr;
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char *gate_addr;
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int slave;
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unsigned char ibuf[ENC_BUF_SIZE];
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unsigned char obuf[ENC_BUF_SIZE];
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int more; /* more data: do not read fd until ibuf has been drained */
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int pos;
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int esc;
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};
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extern struct net_user_info slip_user_info;
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extern int set_umn_addr(int fd, char *addr, char *ptp_addr);
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extern int slip_user_read(int fd, void *buf, int len, struct slip_data *pri);
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extern int slip_user_write(int fd, void *buf, int len, struct slip_data *pri);
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#endif
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/*
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* Overrides for Emacs so that we follow Linus's tabbing style.
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* Emacs will notice this stuff at the end of the file and automatically
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* adjust the settings for this buffer only. This must remain at the end
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* of the file.
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* ---------------------------------------------------------------------------
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* Local variables:
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* c-file-style: "linux"
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* End:
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*/
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