1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _VRRP_H 28 #define _VRRP_H 29 30 #include <stdint.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 typedef struct vrrp_pkt_s { 37 uint8_t vp_vers_type; 38 uint8_t vp_vrid; 39 uint8_t vp_prio; 40 uint8_t vp_ipnum; 41 uint16_t vp_rsvd_adver_int; 42 uint16_t vp_chksum; 43 /* then follows <vp_ipnum> IPvX addresses */ 44 /* then follows NO authentification data */ 45 } vrrp_pkt_t; 46 47 #define IPPROTO_VRRP 112 /* IP protocol number */ 48 #define VRRP_AUTH_LEN 0 /* XXX length of a chunk of Auth Data */ 49 50 #define VRRP_IP_TTL 255 /* IPv4 TTL, IPv6 hop limit */ 51 #define VRRP_VERSION 3 /* current version */ 52 #define VRRP_PKT_ADVERT 1 /* packet type */ 53 #define VRRP_VER_MASK 0xf0 /* version mask */ 54 #define VRRP_TYPE_MASK 0x0f /* packet type mask */ 55 56 #define VRRP_PRI_OWNER 255 /* priority of IP address owner */ 57 #define VRRP_PRI_MIN 1 /* minimum priority */ 58 #define VRRP_PRIO_ZERO 0 /* stop participating VRRP */ 59 #define VRRP_PRI_DEFAULT VRRP_PRI_OWNER /* default priority */ 60 61 #define VRRP_VRID_NONE 0 62 #define VRRP_VRID_MIN 1 63 #define VRRP_VRID_MAX 255 64 65 #define CENTISEC2MSEC(centisec) ((centisec) * 10) 66 #define MSEC2CENTISEC(msec) ((msec) / 10) 67 68 /* Max advertisement interval, in msec */ 69 #define VRRP_MAX_ADVER_INT_MIN CENTISEC2MSEC(1) 70 #define VRRP_MAX_ADVER_INT_MAX CENTISEC2MSEC(4095) /* (2^12 -1) */ 71 #define VRRP_MAX_ADVER_INT_DFLT CENTISEC2MSEC(100) /* 1 sec */ 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* _VRRP_H */ 78