LXR linux/include/uapi/linux/atm

   1/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
   2                driver-specific utilities) */
   3
   4/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
   5
   6
   7#ifndef LINUX_ATM_ZATM_H
   8#define LINUX_ATM_ZATM_H
   9
  10/*
  11 * Note: non-kernel programs including this file must also include
  12 * sys/types.h for struct timeval
  13 */
  14
  15#include <linux/atmapi.h>
  16#include <linux/atmioc.h>
  17
  18#define ZATM_GETPOOL    _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
  19                                                /* get pool statistics */
  20#define ZATM_GETPOOLZ   _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)
  21                                                /* get statistics and zero */
  22#define ZATM_SETPOOL    _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)
  23                                                /* set pool parameters */
  24
  25struct zatm_pool_info {
  26        int ref_count;                  /* free buffer pool usage counters */
  27        int low_water,high_water;       /* refill parameters */
  28        int rqa_count,rqu_count;        /* queue condition counters */
  29        int offset,next_off;            /* alignment optimizations: offset */
  30        int next_cnt,next_thres;        /* repetition counter and threshold */
  31};
  32
  33struct zatm_pool_req {
  34        int pool_num;                   /* pool number */
  35        struct zatm_pool_info info;     /* actual information */
  36};
  37
  38#define ZATM_OAM_POOL           0       /* free buffer pool for OAM cells */
  39#define ZATM_AAL0_POOL          1       /* free buffer pool for AAL0 cells */
  40#define ZATM_AAL5_POOL_BASE     2       /* first AAL5 free buffer pool */
  41#define ZATM_LAST_POOL  ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */
  42
  43#define ZATM_TIMER_HISTORY_SIZE 16      /* number of timer adjustments to
  44                                           record; must be 2^n */
  45
  46#endif
  47