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/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
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                driver-specific utilities) */
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/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
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#ifndef LINUX_ATM_ZATM_H
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#define LINUX_ATM_ZATM_H
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/*
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 * Note: non-kernel programs including this file must also include
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 * sys/types.h for struct timeval
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 */
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#include <linux/atmapi.h>
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#include <linux/atmioc.h>
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#define ZATM_GETPOOL    _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
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                                                /* get pool statistics */
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#define ZATM_GETPOOLZ   _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)
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                                                /* get statistics and zero */
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#define ZATM_SETPOOL    _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)
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                                                /* set pool parameters */
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struct zatm_pool_info {
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        int ref_count;                  /* free buffer pool usage counters */
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        int low_water,high_water;       /* refill parameters */
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        int rqa_count,rqu_count;        /* queue condition counters */
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        int offset,next_off;            /* alignment optimizations: offset */
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        int next_cnt,next_thres;        /* repetition counter and threshold */
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};
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struct zatm_pool_req {
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        int pool_num;                   /* pool number */
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        struct zatm_pool_info info;     /* actual information */
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};
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struct zatm_t_hist {
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        struct timeval real;            /* real (wall-clock) time */
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        struct timeval expected;        /* expected real time */
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};
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#define ZATM_OAM_POOL           0       /* free buffer pool for OAM cells */
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#define ZATM_AAL0_POOL          1       /* free buffer pool for AAL0 cells */
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#define ZATM_AAL5_POOL_BASE     2       /* first AAL5 free buffer pool */
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#define ZATM_LAST_POOL  ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */
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#define ZATM_TIMER_HISTORY_SIZE 16      /* number of timer adjustments to
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                                           record; must be 2^n */
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#endif