1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by 3 driver-specific utilities) */ 4 5 /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ 6 7 8 #ifndef LINUX_ATM_ZATM_H 9 #define LINUX_ATM_ZATM_H 10 11 /* 12 * Note: non-kernel programs including this file must also include 13 * sys/types.h for struct timeval 14 */ 15 16 #include <linux/atmapi.h> 17 #include <linux/atmioc.h> 18 19 #define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc) 20 /* get pool statistics */ 21 #define ZATM_GETPOOLZ _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc) 22 /* get statistics and zero */ 23 #define ZATM_SETPOOL _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc) 24 /* set pool parameters */ 25 26 struct zatm_pool_info { 27 int ref_count; /* free buffer pool usage counters */ 28 int low_water,high_water; /* refill parameters */ 29 int rqa_count,rqu_count; /* queue condition counters */ 30 int offset,next_off; /* alignment optimizations: offset */ 31 int next_cnt,next_thres; /* repetition counter and threshold */ 32 }; 33 34 struct zatm_pool_req { 35 int pool_num; /* pool number */ 36 struct zatm_pool_info info; /* actual information */ 37 }; 38 39 #define ZATM_OAM_POOL 0 /* free buffer pool for OAM cells */ 40 #define ZATM_AAL0_POOL 1 /* free buffer pool for AAL0 cells */ 41 #define ZATM_AAL5_POOL_BASE 2 /* first AAL5 free buffer pool */ 42 #define ZATM_LAST_POOL ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */ 43 44 #define ZATM_TIMER_HISTORY_SIZE 16 /* number of timer adjustments to 45 record; must be 2^n */ 46 47 #endif 48
