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