| 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 | |