Release 4.7 include/uapi/linux/atm_zatm.h

/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
                driver-specific utilities) */

/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */


#ifndef LINUX_ATM_ZATM_H

#define LINUX_ATM_ZATM_H

/*
 * Note: non-kernel programs including this file must also include
 * sys/types.h for struct timeval
 */

#include <linux/atmapi.h>
#include <linux/atmioc.h>


#define ZATM_GETPOOL	_IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
						/* get pool statistics */

#define ZATM_GETPOOLZ	_IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)
						/* get statistics and zero */

#define ZATM_SETPOOL	_IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)
						/* set pool parameters */


struct zatm_pool_info {
	
int ref_count;			/* free buffer pool usage counters */
	

int low_water,high_water;	/* refill parameters */
	

int rqa_count,rqu_count;	/* queue condition counters */
	

int offset,next_off;		/* alignment optimizations: offset */
	

int next_cnt,next_thres;	/* repetition counter and threshold */
};


struct zatm_pool_req {
	
int pool_num;			/* pool number */
	
struct zatm_pool_info info;	/* actual information */
};


#define ZATM_OAM_POOL		0	
/* free buffer pool for OAM cells */

#define ZATM_AAL0_POOL		1	
/* free buffer pool for AAL0 cells */

#define ZATM_AAL5_POOL_BASE	2	
/* first AAL5 free buffer pool */

#define ZATM_LAST_POOL	ZATM_AAL5_POOL_BASE+10 
/* max. 64 kB */


#define ZATM_TIMER_HISTORY_SIZE	16	
/* number of timer adjustments to
                                           record; must be 2^n */

#endif
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