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freebsd/sys/netatm/uni/sscop_misc.h
2005-01-07 01:45:51 +00:00

98 lines
2.9 KiB
C

/*-
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
* @(#) $FreeBSD$
*
*/
/*
* ATM Forum UNI Support
* ---------------------
*
* SSCOP miscellaneous definitions
*
*/
#ifndef _UNI_SSCOP_MISC_H
#define _UNI_SSCOP_MISC_H
/*
* SSCOP command definitions
*/
#define SSCOP_CMD_MIN SSCOP_INIT /* Minimum SSCOP CMD value */
#define SSCOP_CMD_MAX SSCOP_RETRIEVECMP_IND /* Maximum SSCOP CMD value */
#define SSCOP_CMD_SIZE 36 /* Size of command lookup table */
/*
* Management Errors
*/
#define MAA_ERROR_MIN 'A'
#define MAA_ERROR_MAX 'X'
#define MAA_ERROR_INVAL (MAA_ERROR_MAX + 1)
#define MAA_ERROR_COUNT (MAA_ERROR_MAX - MAA_ERROR_MIN + 2)
/*
* SSCOP Sequence Numbers
*
* SSCOP sequence numbers are 24 bit integers using modulo arithmetic.
* The macros below must be used to modify and compare such numbers.
* Comparison of sequence numbers is always relative to some base number (b).
*/
typedef u_int sscop_seq;
#define SEQ_MOD 0xffffff
#define SEQ_VAL(v) ((v) & SEQ_MOD)
#define SEQ_SET(s,v) ((s) = SEQ_VAL(v))
#define SEQ_ADD(s,v) (SEQ_VAL((s) + (v)))
#define SEQ_SUB(s,v) (SEQ_VAL((s) - (v)))
#define SEQ_INCR(s,v) ((s) = SEQ_VAL((s) + (v)))
#define SEQ_DECR(s,v) ((s) = SEQ_VAL((s) - (v)))
#define SEQ_EQ(x,y) (SEQ_VAL(x) == SEQ_VAL(y))
#define SEQ_NEQ(x,y) (SEQ_VAL(x) != SEQ_VAL(y))
#define SEQ_LT(x,y,b) (SEQ_VAL((x) - (b)) < SEQ_VAL((y) - (b)))
#define SEQ_LEQ(x,y,b) (SEQ_VAL((x) - (b)) <= SEQ_VAL((y) - (b)))
#define SEQ_GT(x,y,b) (SEQ_VAL((x) - (b)) > SEQ_VAL((y) - (b)))
#define SEQ_GEQ(x,y,b) (SEQ_VAL((x) - (b)) >= SEQ_VAL((y) - (b)))
/*
* SSCOP Timers
*
* All of the SSCOP timer fields are maintained in terms of clock ticks.
* The timers tick 2 times per second.
*/
#define SSCOP_HZ 2 /* SSCOP ticks per second */
#define SSCOP_T_NUM 4 /* Number of timers per connection */
#define SSCOP_T_POLL 0 /* Timer_POLL / Timer_KEEP-ALIVE */
#define SSCOP_T_NORESP 1 /* Timer_NO-RESPONSE */
#define SSCOP_T_CC 2 /* Timer_CC */
#define SSCOP_T_IDLE 3 /* Timer_IDLE */
#endif /* _UNI_SSCOP_MISC_H */