sys/net/agr/ieee8023ad_lacp.h

   1 /*      $NetBSD: ieee8023ad_lacp.h,v 1.2 2005/12/10 23:21:39 elad 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_ */