1 /* $NetBSD: altq_blue.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */ 2 /* $KAME: altq_blue.h,v 1.7 2002/11/29 04:36:22 kjc Exp $ */ 3 4 /* 5 * Copyright (C) 1997-2002 6 * Sony Computer Science Laboratories Inc. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _ALTQ_ALTQ_BLUE_H_ 31 #define _ALTQ_ALTQ_BLUE_H_ 32 33 #include <altq/altq_classq.h> 34 35 struct blue_interface { 36 char blue_ifname[IFNAMSIZ]; 37 }; 38 39 struct blue_stats { 40 struct blue_interface iface; 41 int q_len; 42 int q_limit; 43 int q_pmark; 44 u_quad_t xmit_packets; 45 u_quad_t xmit_bytes; 46 u_quad_t drop_packets; 47 u_quad_t drop_bytes; 48 u_quad_t drop_forced; 49 u_quad_t drop_unforced; 50 u_quad_t marked_packets; 51 }; 52 53 struct blue_conf { 54 struct blue_interface iface; 55 int blue_limit; 56 int blue_max_pmark; 57 int blue_hold_time; 58 int blue_pkttime; /* average packet time in usec */ 59 int blue_flags; /* see below */ 60 }; 61 62 /* blue flags */ 63 #define BLUEF_ECN4 0x01 /* use packet marking for IPv4 packets */ 64 #define BLUEF_ECN6 0x02 /* use packet marking for IPv6 packets */ 65 #define BLUEF_ECN (BLUEF_ECN4 | BLUEF_ECN6) 66 67 /* 68 * IOCTLs for BLUE 69 */ 70 #define BLUE_IF_ATTACH _IOW('Q', 1, struct blue_interface) 71 #define BLUE_IF_DETACH _IOW('Q', 2, struct blue_interface) 72 #define BLUE_ENABLE _IOW('Q', 3, struct blue_interface) 73 #define BLUE_DISABLE _IOW('Q', 4, struct blue_interface) 74 #define BLUE_CONFIG _IOWR('Q', 6, struct blue_conf) 75 #define BLUE_GETSTATS _IOWR('Q', 12, struct blue_stats) 76 77 #ifdef _KERNEL 78 79 typedef struct blue { 80 int blue_pkttime; /* average packet time in micro sec 81 used for idle calibration */ 82 int blue_flags; /* blue flags */ 83 84 /* blue parameters */ 85 int blue_pmark; /* 0-1000 (mark probability*10000) */ 86 int blue_max_pmark; /* sets precision of marking probability */ 87 int blue_hold_time; /* hold time in usec */ 88 89 int blue_idle; /* queue was empty */ 90 struct timeval blue_last; /* timestamp when the queue becomes idle */ 91 92 struct { 93 u_quad_t xmit_packets; 94 u_quad_t xmit_bytes; 95 u_quad_t drop_packets; 96 u_quad_t drop_bytes; 97 u_quad_t drop_forced; 98 u_quad_t drop_unforced; 99 u_quad_t marked_packets; 100 } blue_stats; 101 } blue_t; 102 103 typedef struct blue_queue { 104 struct blue_queue *rq_next; /* next blue_state in the list */ 105 struct ifaltq *rq_ifq; /* backpointer to ifaltq */ 106 107 class_queue_t *rq_q; 108 109 blue_t *rq_blue; 110 } blue_queue_t; 111 112 extern int blue_init(blue_t *, int, int, int, int); 113 extern int blue_addq(blue_t *, class_queue_t *, struct mbuf *, 114 struct altq_pktattr *); 115 extern struct mbuf *blue_getq(blue_t *, class_queue_t *); 116 117 #endif /* _KERNEL */ 118 119 #endif /* _ALTQ_ALTQ_BLUE_H_ */ 120