1 /* $NetBSD: altq_fifoq.h,v 1.7 2006/10/12 19:59:08 peter Exp $ */ 2 /* $KAME: altq_fifoq.h,v 1.8 2002/11/29 04:36:23 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_FIFOQ_H_ 31 #define _ALTQ_ALTQ_FIFOQ_H_ 32 33 #ifdef _KERNEL 34 typedef struct fifoq_state { 35 struct fifoq_state *q_next; /* next fifoq_state in the list */ 36 struct ifaltq *q_ifq; /* backpointer to ifaltq */ 37 38 struct mbuf *q_head; /* head of queue */ 39 struct mbuf *q_tail; /* tail of queue */ 40 int q_len; /* queue length */ 41 int q_limit; /* max queue length */ 42 43 /* statistics */ 44 struct { 45 struct pktcntr xmit_cnt; 46 struct pktcntr drop_cnt; 47 u_int period; 48 } q_stats; 49 } fifoq_state_t; 50 #endif 51 52 struct fifoq_interface { 53 char fifoq_ifname[IFNAMSIZ]; 54 }; 55 56 struct fifoq_getstats { 57 struct fifoq_interface iface; 58 int q_len; 59 int q_limit; 60 struct pktcntr xmit_cnt; 61 struct pktcntr drop_cnt; 62 u_int period; 63 }; 64 65 struct fifoq_conf { 66 struct fifoq_interface iface; 67 int fifoq_limit; 68 }; 69 70 #define FIFOQ_LIMIT 50 /* default max queue length */ 71 72 /* 73 * IOCTLs for FIFOQ 74 */ 75 #define FIFOQ_IF_ATTACH _IOW('Q', 1, struct fifoq_interface) 76 #define FIFOQ_IF_DETACH _IOW('Q', 2, struct fifoq_interface) 77 #define FIFOQ_ENABLE _IOW('Q', 3, struct fifoq_interface) 78 #define FIFOQ_DISABLE _IOW('Q', 4, struct fifoq_interface) 79 #define FIFOQ_CONFIG _IOWR('Q', 6, struct fifoq_conf) 80 #define FIFOQ_GETSTATS _IOWR('Q', 12, struct fifoq_getstats) 81 82 #endif /* _ALTQ_ALTQ_FIFOQ_H_ */ 83