36 lines
1007 B
C
Executable File
36 lines
1007 B
C
Executable File
/* atmarp.h - ATM ARP protocol definitions */
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/* Written 1995-1998 by Werner Almesberger, EPFL LRC/ICA */
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#ifndef _ATMARP_H
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#define _ATMARP_H
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#include <stdint.h>
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/* RFC 1577 ATM ARP header */
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struct atmarphdr {
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uint16_t ar_hrd; /* Hardware type */
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uint16_t ar_pro; /* Protocol type */
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uint8_t ar_shtl;/* Type & length of source ATM number (q) */
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uint8_t ar_sstl;/* Type & length of source ATM subaddress (r) */
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uint16_t ar_op; /* Operation code (request, reply, or NAK) */
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uint8_t ar_spln;/* Length of source protocol address (s) */
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uint8_t ar_thtl;/* Type & length of target ATM number (x) */
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uint8_t ar_tstl;/* Type & length of target ATM subaddress (y) */
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uint8_t ar_tpln;/* Length of target protocol address (z) */
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/* ar_sha, at_ssa, ar_spa, ar_tha, ar_tsa, ar_tpa */
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unsigned char data[1];
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};
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#define TL_LEN 0x3f /* ATMARP Type/Length field structure */
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#define TL_E164 0x40
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#define MAX_ATMARP_SIZE (sizeof(struct atmarphdr)-1+2*(ATM_E164_LEN+ \
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ATM_ESA_LEN+4))
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#endif
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