Dr Andrew Scott G7VAV

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atm_zatm.h
01: /* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
02:                 driver-specific utilities) */
03: 
04: /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
05: 
06: 
07: #ifndef LINUX_ATM_ZATM_H
08: #define LINUX_ATM_ZATM_H
09: 
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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Andrew Scott
http://www.andrew-scott.co.uk/