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 | |