1 /* $OpenBSD: fq_codel.h,v 1.4 2020/06/18 23:29:59 dlg Exp $ */ 2 3 /* 4 * Copyright (c) 2017 Mike Belopuhov 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _NET_FQ_CODEL_H_ 20 #define _NET_FQ_CODEL_H_ 21 22 /* compatible with hfsc_pktcntr */ 23 struct fqcodel_pktcntr { 24 uint64_t packets; 25 uint64_t bytes; 26 }; 27 28 struct fqcodel_stats { 29 struct fqcodel_pktcntr xmit_cnt; 30 struct fqcodel_pktcntr drop_cnt; 31 32 uint32_t qlength; 33 uint32_t qlimit; 34 35 uint32_t flows; 36 uint32_t _unused; /* padding */ 37 38 uint32_t target; 39 uint32_t interval; 40 41 /* the values below are used to calculate standard deviation */ 42 uint64_t delaysum; /* sum of delays, us */ 43 uint64_t delaysumsq;/* sum of squared delays, us */ 44 }; 45 46 #ifdef _KERNEL 47 extern const struct ifq_ops * const ifq_fqcodel_ops; 48 extern const struct pfq_ops * const pfq_fqcodel_ops; 49 #endif /* _KERNEL */ 50 51 #endif /* _NET_FQ_CODEL_H_ */ 52