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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 |
53 |
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