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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by3 driver-specific utilities) */4 5/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */6 7 8#ifndef LINUX_ATM_ZATM_H9#define LINUX_ATM_ZATM_H10 11/*12 * Note: non-kernel programs including this file must also include13 * sys/types.h for struct timeval14 */15 16#include <linux/atmapi.h>17#include <linux/atmioc.h>18 19#define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)20 /* get pool statistics */21#define ZATM_GETPOOLZ _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)22 /* get statistics and zero */23#define ZATM_SETPOOL _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)24 /* set pool parameters */25 26struct zatm_pool_info {27 int ref_count; /* free buffer pool usage counters */28 int low_water,high_water; /* refill parameters */29 int rqa_count,rqu_count; /* queue condition counters */30 int offset,next_off; /* alignment optimizations: offset */31 int next_cnt,next_thres; /* repetition counter and threshold */32};33 34struct zatm_pool_req {35 int pool_num; /* pool number */36 struct zatm_pool_info info; /* actual information */37};38 39#define ZATM_OAM_POOL 0 /* free buffer pool for OAM cells */40#define ZATM_AAL0_POOL 1 /* free buffer pool for AAL0 cells */41#define ZATM_AAL5_POOL_BASE 2 /* first AAL5 free buffer pool */42#define ZATM_LAST_POOL ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */43 44#define ZATM_TIMER_HISTORY_SIZE 16 /* number of timer adjustments to45 record; must be 2^n */46 47#endif48