47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* 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
|