1 /* $NetBSD: ieee8023ad_lacp.h,v 1.3 2008/12/16 22:35:38 christos Exp $ */ 2 3 /*- 4 * Copyright (c)2005 YAMAMOTO Takashi, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _NET_AGR_IEEE8023AD_LACP_H_ 30 #define _NET_AGR_IEEE8023AD_LACP_H_ 31 32 /* 33 * IEEE802.3ad LACP 34 * 35 * protocol definitions. 36 */ 37 38 struct lacp_systemid { 39 uint16_t lsi_prio; 40 uint8_t lsi_mac[6]; 41 } __packed; 42 43 struct lacp_portid { 44 uint16_t lpi_prio; 45 uint16_t lpi_portno; 46 } __packed; 47 48 struct lacp_peerinfo { 49 struct lacp_systemid lip_systemid; 50 uint16_t lip_key; 51 struct lacp_portid lip_portid; 52 uint8_t lip_state; 53 uint8_t lip_resv[3]; 54 } __packed; 55 56 #define LACP_STATE_ACTIVITY (1<<0) 57 #define LACP_STATE_TIMEOUT (1<<1) 58 #define LACP_STATE_AGGREGATION (1<<2) 59 #define LACP_STATE_SYNC (1<<3) 60 #define LACP_STATE_COLLECTING (1<<4) 61 #define LACP_STATE_DISTRIBUTING (1<<5) 62 #define LACP_STATE_DEFAULTED (1<<6) 63 #define LACP_STATE_EXPIRED (1<<7) 64 65 /* for snprintb(3) */ 66 #define LACP_STATE_BITS \ 67 "\177\020" \ 68 "b\0ACTIVITY\0" \ 69 "b\1TIMEOUT\0" \ 70 "b\2AGGREGATION\0" \ 71 "b\3SYNC\0" \ 72 "b\4COLLECTING\0" \ 73 "b\5DISTRIBUTING\0" \ 74 "b\6DEFAULTED\0" \ 75 "b\7EXPIRED\0" 76 77 struct lacp_collectorinfo { 78 uint16_t lci_maxdelay; 79 uint8_t lci_resv[12]; 80 } __packed; 81 82 struct lacpdu { 83 struct ether_header ldu_eh; 84 struct slowprothdr ldu_sph; 85 86 struct tlvhdr ldu_tlv_actor; 87 struct lacp_peerinfo ldu_actor; 88 struct tlvhdr ldu_tlv_partner; 89 struct lacp_peerinfo ldu_partner; 90 struct tlvhdr ldu_tlv_collector; 91 struct lacp_collectorinfo ldu_collector; 92 struct tlvhdr ldu_tlv_term; 93 uint8_t ldu_resv[50]; 94 } __packed; 95 96 #define LACP_TYPE_ACTORINFO 1 97 #define LACP_TYPE_PARTNERINFO 2 98 #define LACP_TYPE_COLLECTORINFO 3 99 100 /* timeout values (in sec) */ 101 #define LACP_FAST_PERIODIC_TIME (1) 102 #define LACP_SLOW_PERIODIC_TIME (30) 103 #define LACP_SHORT_TIMEOUT_TIME (3 * LACP_FAST_PERIODIC_TIME) 104 #define LACP_LONG_TIMEOUT_TIME (3 * LACP_SLOW_PERIODIC_TIME) 105 #define LACP_CHURN_DETECTION_TIME (60) 106 #define LACP_AGGREGATE_WAIT_TIME (2) 107 108 #endif /* !_NET_AGR_IEEE8023AD_LACP_H_ */ 109