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/* $OpenBSD: fq_codel.h,v 1.4 2020/06/18 23:29:59 dlg Exp $ */
/*
* Copyright (c) 2017 Mike Belopuhov
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _NET_FQ_CODEL_H_
#define _NET_FQ_CODEL_H_
/* compatible with hfsc_pktcntr */
struct fqcodel_pktcntr {
uint64_t packets;
uint64_t bytes;
};
struct fqcodel_stats {
struct fqcodel_pktcntr xmit_cnt;
struct fqcodel_pktcntr drop_cnt;
uint32_t qlength;
uint32_t qlimit;
uint32_t flows;
uint32_t _unused; /* padding */
uint32_t target;
uint32_t interval;
/* the values below are used to calculate standard deviation */
uint64_t delaysum; /* sum of delays, us */
uint64_t delaysumsq;/* sum of squared delays, us */
};
#ifdef _KERNEL
extern const struct ifq_ops * const ifq_fqcodel_ops;
extern const struct pfq_ops * const pfq_fqcodel_ops;
#endif /* _KERNEL */
#endif /* _NET_FQ_CODEL_H_ */
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