/* * Copyright (c) 2011-2012 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* $NetBSD: altq_blue.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */ /* $KAME: altq_blue.h,v 1.7 2002/11/29 04:36:22 kjc Exp $ */ /* * Copyright (C) 1997-2002 * Sony Computer Science Laboratories Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _NET_CLASSQ_CLASSQ_BLUE_H_ #define _NET_CLASSQ_CLASSQ_BLUE_H_ #ifdef PRIVATE #ifdef BSD_KERNEL_PRIVATE #include <net/classq/if_classq.h> #endif /* BSD_KERNEL_PRIVATE */ #ifdef __cplusplus extern "C" { #endif struct blue_stats { int32_t q_pmark; u_int32_t _pad; u_int64_t drop_forced; u_int64_t drop_unforced; u_int64_t marked_packets; }; #ifdef BSD_KERNEL_PRIVATE /* blue flags */ #define BLUEF_ECN4 0x01 /* use packet marking for IPv4 packets */ #define BLUEF_ECN6 0x02 /* use packet marking for IPv6 packets */ #define BLUEF_ECN (BLUEF_ECN4 | BLUEF_ECN6) #define BLUEF_USERFLAGS \ (BLUEF_ECN4 | BLUEF_ECN6) typedef struct blue { u_int32_t blue_flags; /* blue flags */ /* blue parameters */ int32_t blue_pmark; /* 0-1000 (mark probability*10000) */ int32_t blue_max_pmark; /* sets precision of marking probability */ u_int32_t blue_hold_time; /* hold time in usec */ struct ifnet *blue_ifp; /* back pointer to ifnet */ /* variables for internal use */ u_int32_t blue_idle; /* queue was empty */ struct timeval blue_last; /* timestamp when the queue becomes idle */ /* statistics */ struct { struct pktcntr xmit_cnt; struct pktcntr drop_cnt; u_int64_t drop_forced; u_int64_t drop_unforced; u_int64_t marked_packets; } blue_stats; } blue_t; extern void blue_init(void); extern struct blue *blue_alloc(struct ifnet *, u_int32_t, u_int32_t, u_int32_t); extern void blue_destroy(struct blue *); extern int blue_addq(struct blue *, class_queue_t *, struct mbuf *, struct pf_mtag *); extern struct mbuf *blue_getq(struct blue *, class_queue_t *); extern void blue_purgeq(struct blue *, class_queue_t *, u_int32_t, u_int32_t *, u_int32_t *); extern void blue_getstats(struct blue *, struct blue_stats *); extern void blue_updateq(struct blue *, cqev_t); extern int blue_suspendq(struct blue *, class_queue_t *, boolean_t); #endif /* BSD_KERNEL_PRIVATE */ #ifdef __cplusplus } #endif #endif /* PRIVATE */ #endif /* _NET_CLASSQ_CLASSQ_BLUE_H_ */