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1da177e4 LT |
1 | /* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by |
2 | driver-specific utilities) */ | |
3 | ||
4 | /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ | |
5 | ||
6 | ||
7 | #ifndef LINUX_ATM_ZATM_H | |
8 | #define LINUX_ATM_ZATM_H | |
9 | ||
10 | /* | |
11 | * Note: non-kernel programs including this file must also include | |
12 | * sys/types.h for struct timeval | |
13 | */ | |
14 | ||
15 | #include <linux/atmapi.h> | |
16 | #include <linux/atmioc.h> | |
17 | ||
18 | #define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc) | |
19 | /* get pool statistics */ | |
20 | #define ZATM_GETPOOLZ _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc) | |
21 | /* get statistics and zero */ | |
22 | #define ZATM_SETPOOL _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc) | |
23 | /* set pool parameters */ | |
24 | ||
25 | struct zatm_pool_info { | |
26 | int ref_count; /* free buffer pool usage counters */ | |
27 | int low_water,high_water; /* refill parameters */ | |
28 | int rqa_count,rqu_count; /* queue condition counters */ | |
29 | int offset,next_off; /* alignment optimizations: offset */ | |
30 | int next_cnt,next_thres; /* repetition counter and threshold */ | |
31 | }; | |
32 | ||
33 | struct zatm_pool_req { | |
34 | int pool_num; /* pool number */ | |
35 | struct zatm_pool_info info; /* actual information */ | |
36 | }; | |
37 | ||
38 | struct zatm_t_hist { | |
39 | struct timeval real; /* real (wall-clock) time */ | |
40 | struct timeval expected; /* expected real time */ | |
41 | }; | |
42 | ||
43 | ||
44 | #define ZATM_OAM_POOL 0 /* free buffer pool for OAM cells */ | |
45 | #define ZATM_AAL0_POOL 1 /* free buffer pool for AAL0 cells */ | |
46 | #define ZATM_AAL5_POOL_BASE 2 /* first AAL5 free buffer pool */ | |
47 | #define ZATM_LAST_POOL ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */ | |
48 | ||
49 | #define ZATM_TIMER_HISTORY_SIZE 16 /* number of timer adjustments to | |
50 | record; must be 2^n */ | |
51 | ||
52 | #endif |