37 lines
758 B
C
37 lines
758 B
C
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#ifndef _GPXE_RETRY_H
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#define _GPXE_RETRY_H
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/** @file
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*
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* Retry timers
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*
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*/
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#include <gpxe/list.h>
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/** Effective maximum retry count for exponential backoff calculation */
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#define BACKOFF_LIMIT 5
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/** A retry timer */
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struct retry_timer {
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/** List of active timers */
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struct list_head list;
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/** Base timeout (in ticks) */
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unsigned int base;
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/** Retry count */
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unsigned int retries;
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/** Expiry time (in ticks) */
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unsigned long expiry;
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/** Timer expired callback
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*
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* @v timer Retry timer
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*/
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void ( * expired ) ( struct retry_timer *timer );
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};
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extern void start_timer ( struct retry_timer *timer );
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extern void reset_timer ( struct retry_timer *timer );
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extern void stop_timer ( struct retry_timer *timer );
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#endif /* _GPXE_RETRY_H */
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