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47 lines
1.5 KiB
47 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by |
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driver-specific utilities) */ |
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/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ |
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#ifndef LINUX_ATM_ZATM_H |
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#define LINUX_ATM_ZATM_H |
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/* |
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* Note: non-kernel programs including this file must also include |
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* sys/types.h for struct timeval |
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*/ |
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#include <linux/atmapi.h> |
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#include <linux/atmioc.h> |
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#define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc) |
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/* get pool statistics */ |
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#define ZATM_GETPOOLZ _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc) |
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/* get statistics and zero */ |
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#define ZATM_SETPOOL _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc) |
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/* set pool parameters */ |
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struct zatm_pool_info { |
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int ref_count; /* free buffer pool usage counters */ |
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int low_water,high_water; /* refill parameters */ |
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int rqa_count,rqu_count; /* queue condition counters */ |
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int offset,next_off; /* alignment optimizations: offset */ |
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int next_cnt,next_thres; /* repetition counter and threshold */ |
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}; |
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struct zatm_pool_req { |
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int pool_num; /* pool number */ |
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struct zatm_pool_info info; /* actual information */ |
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}; |
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#define ZATM_OAM_POOL 0 /* free buffer pool for OAM cells */ |
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#define ZATM_AAL0_POOL 1 /* free buffer pool for AAL0 cells */ |
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#define ZATM_AAL5_POOL_BASE 2 /* first AAL5 free buffer pool */ |
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#define ZATM_LAST_POOL ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */ |
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#define ZATM_TIMER_HISTORY_SIZE 16 /* number of timer adjustments to |
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record; must be 2^n */ |
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#endif
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