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1/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */2/*3 * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'.4 *5 *6 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes7 * NCM: Network and Communications Management, Inc.8 *9 * BUT, I'm the one who modified it for ethernet, so:10 * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov11 *12 * This software may be used and distributed according to the terms13 * of the GNU Public License, incorporated herein by reference.14 *15 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>16 * - Added support for getting slave's speed and duplex via ethtool.17 * Needed for 802.3ad and other future modes.18 *19 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and20 * Shmulik Hen <shmulik.hen at intel dot com>21 * - Enable support of modes that need to use the unique mac address of22 * each slave.23 *24 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and25 * Amir Noam <amir.noam at intel dot com>26 * - Moved driver's private data types to bonding.h27 *28 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>,29 * Tsippy Mendelson <tsippy.mendelson at intel dot com> and30 * Shmulik Hen <shmulik.hen at intel dot com>31 * - Added support for IEEE 802.3ad Dynamic link aggregation mode.32 *33 * 2003/05/01 - Amir Noam <amir.noam at intel dot com>34 * - Added ABI version control to restore compatibility between35 * new/old ifenslave and new/old bonding.36 *37 * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com>38 * - Code cleanup and style changes39 *40 * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov>41 * - added definitions for various XOR hashing policies42 */43 44#ifndef _LINUX_IF_BONDING_H45#define _LINUX_IF_BONDING_H46 47#include <linux/if.h>48#include <linux/types.h>49#include <linux/if_ether.h>50 51/* userland - kernel ABI version (2003/05/08) */52#define BOND_ABI_VERSION 253 54/*55 * We can remove these ioctl definitions in 2.5. People should use the56 * SIOC*** versions of them instead57 */58#define BOND_ENSLAVE_OLD (SIOCDEVPRIVATE)59#define BOND_RELEASE_OLD (SIOCDEVPRIVATE + 1)60#define BOND_SETHWADDR_OLD (SIOCDEVPRIVATE + 2)61#define BOND_SLAVE_INFO_QUERY_OLD (SIOCDEVPRIVATE + 11)62#define BOND_INFO_QUERY_OLD (SIOCDEVPRIVATE + 12)63#define BOND_CHANGE_ACTIVE_OLD (SIOCDEVPRIVATE + 13)64 65#define BOND_CHECK_MII_STATUS (SIOCGMIIPHY)66 67#define BOND_MODE_ROUNDROBIN 068#define BOND_MODE_ACTIVEBACKUP 169#define BOND_MODE_XOR 270#define BOND_MODE_BROADCAST 371#define BOND_MODE_8023AD 472#define BOND_MODE_TLB 573#define BOND_MODE_ALB 6 /* TLB + RLB (receive load balancing) */74 75/* each slave's link has 4 states */76#define BOND_LINK_UP 0 /* link is up and running */77#define BOND_LINK_FAIL 1 /* link has just gone down */78#define BOND_LINK_DOWN 2 /* link has been down for too long time */79#define BOND_LINK_BACK 3 /* link is going back */80 81/* each slave has several states */82#define BOND_STATE_ACTIVE 0 /* link is active */83#define BOND_STATE_BACKUP 1 /* link is backup */84 85#define BOND_DEFAULT_MAX_BONDS 1 /* Default maximum number of devices to support */86 87#define BOND_DEFAULT_TX_QUEUES 16 /* Default number of tx queues per device */88 89#define BOND_DEFAULT_RESEND_IGMP 1 /* Default number of IGMP membership reports */90 91/* hashing types */92#define BOND_XMIT_POLICY_LAYER2 0 /* layer 2 (MAC only), default */93#define BOND_XMIT_POLICY_LAYER34 1 /* layer 3+4 (IP ^ (TCP || UDP)) */94#define BOND_XMIT_POLICY_LAYER23 2 /* layer 2+3 (IP ^ MAC) */95#define BOND_XMIT_POLICY_ENCAP23 3 /* encapsulated layer 2+3 */96#define BOND_XMIT_POLICY_ENCAP34 4 /* encapsulated layer 3+4 */97#define BOND_XMIT_POLICY_VLAN_SRCMAC 5 /* vlan + source MAC */98 99/* 802.3ad port state definitions (43.4.2.2 in the 802.3ad standard) */100#define LACP_STATE_LACP_ACTIVITY 0x1101#define LACP_STATE_LACP_TIMEOUT 0x2102#define LACP_STATE_AGGREGATION 0x4103#define LACP_STATE_SYNCHRONIZATION 0x8104#define LACP_STATE_COLLECTING 0x10105#define LACP_STATE_DISTRIBUTING 0x20106#define LACP_STATE_DEFAULTED 0x40107#define LACP_STATE_EXPIRED 0x80108 109typedef struct ifbond {110 __s32 bond_mode;111 __s32 num_slaves;112 __s32 miimon;113} ifbond;114 115typedef struct ifslave {116 __s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */117 char slave_name[IFNAMSIZ];118 __s8 link;119 __s8 state;120 __u32 link_failure_count;121} ifslave;122 123struct ad_info {124 __u16 aggregator_id;125 __u16 ports;126 __u16 actor_key;127 __u16 partner_key;128 __u8 partner_system[ETH_ALEN];129};130 131/* Embedded inside LINK_XSTATS_TYPE_BOND */132enum {133 BOND_XSTATS_UNSPEC,134 BOND_XSTATS_3AD,135 __BOND_XSTATS_MAX136};137#define BOND_XSTATS_MAX (__BOND_XSTATS_MAX - 1)138 139/* Embedded inside BOND_XSTATS_3AD */140enum {141 BOND_3AD_STAT_LACPDU_RX,142 BOND_3AD_STAT_LACPDU_TX,143 BOND_3AD_STAT_LACPDU_UNKNOWN_RX,144 BOND_3AD_STAT_LACPDU_ILLEGAL_RX,145 BOND_3AD_STAT_MARKER_RX,146 BOND_3AD_STAT_MARKER_TX,147 BOND_3AD_STAT_MARKER_RESP_RX,148 BOND_3AD_STAT_MARKER_RESP_TX,149 BOND_3AD_STAT_MARKER_UNKNOWN_RX,150 BOND_3AD_STAT_PAD,151 __BOND_3AD_STAT_MAX152};153#define BOND_3AD_STAT_MAX (__BOND_3AD_STAT_MAX - 1)154 155#endif /* _LINUX_IF_BONDING_H */156