Subversion Repositories shark

Rev

Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
422 giacomo 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