diff options
Diffstat (limited to 'include/linux/atm_zatm.h')
| -rw-r--r-- | include/linux/atm_zatm.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/linux/atm_zatm.h b/include/linux/atm_zatm.h new file mode 100644 index 00000000000..10f0fa29454 --- /dev/null +++ b/include/linux/atm_zatm.h @@ -0,0 +1,52 @@ +/* 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 */ +}; + +struct zatm_t_hist { + struct timeval real; /* real (wall-clock) time */ + struct timeval expected; /* expected real time */ +}; + + +#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 |