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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 by |
| 3 | driver-specific utilities) */ |
| 4 | |
| 5 | /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ |
| 6 | |
| 7 | |
| 8 | #ifndef LINUX_ATM_ZATM_H |
| 9 | #define LINUX_ATM_ZATM_H |
| 10 | |
| 11 | /* |
| 12 | * Note: non-kernel programs including this file must also include |
| 13 | * sys/types.h for struct timeval |
| 14 | */ |
| 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 | |
| 26 | struct 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 | |
| 34 | struct 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 to |
| 45 | record; must be 2^n */ |
| 46 | |
| 47 | #endif |
| 48 |
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