2 * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'.
5 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
6 * NCM: Network and Communications Management, Inc.
8 * BUT, I'm the one who modified it for ethernet, so:
9 * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov
11 * This software may be used and distributed according to the terms
12 * of the GNU Public License, incorporated herein by reference.
14 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>
15 * - Added support for getting slave's speed and duplex via ethtool.
16 * Needed for 802.3ad and other future modes.
18 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and
19 * Shmulik Hen <shmulik.hen at intel dot com>
20 * - Enable support of modes that need to use the unique mac address of
23 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and
24 * Amir Noam <amir.noam at intel dot com>
25 * - Moved driver's private data types to bonding.h
27 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>,
28 * Tsippy Mendelson <tsippy.mendelson at intel dot com> and
29 * Shmulik Hen <shmulik.hen at intel dot com>
30 * - Added support for IEEE 802.3ad Dynamic link aggregation mode.
32 * 2003/05/01 - Amir Noam <amir.noam at intel dot com>
33 * - Added ABI version control to restore compatibility between
34 * new/old ifenslave and new/old bonding.
36 * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com>
37 * - Code cleanup and style changes
39 * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov>
40 * - added definitions for various XOR hashing policies
43 #ifndef _LINUX_IF_BONDING_H
44 #define _LINUX_IF_BONDING_H
47 #include <linux/types.h>
48 #include <linux/if_ether.h>
50 /* userland - kernel ABI version (2003/05/08) */
51 #define BOND_ABI_VERSION 2
54 * We can remove these ioctl definitions in 2.5. People should use the
55 * SIOC*** versions of them instead
57 #define BOND_ENSLAVE_OLD (SIOCDEVPRIVATE)
58 #define BOND_RELEASE_OLD (SIOCDEVPRIVATE + 1)
59 #define BOND_SETHWADDR_OLD (SIOCDEVPRIVATE + 2)
60 #define BOND_SLAVE_INFO_QUERY_OLD (SIOCDEVPRIVATE + 11)
61 #define BOND_INFO_QUERY_OLD (SIOCDEVPRIVATE + 12)
62 #define BOND_CHANGE_ACTIVE_OLD (SIOCDEVPRIVATE + 13)
64 #define BOND_CHECK_MII_STATUS (SIOCGMIIPHY)
66 #define BOND_MODE_ROUNDROBIN 0
67 #define BOND_MODE_ACTIVEBACKUP 1
68 #define BOND_MODE_XOR 2
69 #define BOND_MODE_BROADCAST 3
70 #define BOND_MODE_8023AD 4
71 #define BOND_MODE_TLB 5
72 #define BOND_MODE_ALB 6 /* TLB + RLB (receive load balancing) */
74 /* each slave's link has 4 states */
75 #define BOND_LINK_UP 0 /* link is up and running */
76 #define BOND_LINK_FAIL 1 /* link has just gone down */
77 #define BOND_LINK_DOWN 2 /* link has been down for too long time */
78 #define BOND_LINK_BACK 3 /* link is going back */
80 /* each slave has several states */
81 #define BOND_STATE_ACTIVE 0 /* link is active */
82 #define BOND_STATE_BACKUP 1 /* link is backup */
84 #define BOND_DEFAULT_MAX_BONDS 1 /* Default maximum number of devices to support */
87 #define BOND_XMIT_POLICY_LAYER2 0 /* layer 2 (MAC only), default */
88 #define BOND_XMIT_POLICY_LAYER34 1 /* layer 3+4 (IP ^ (TCP || UDP)) */
89 #define BOND_XMIT_POLICY_LAYER23 2 /* layer 2+3 (IP ^ MAC) */
91 typedef struct ifbond
{
97 typedef struct ifslave
99 __s32 slave_id
; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */
100 char slave_name
[IFNAMSIZ
];
103 __u32 link_failure_count
;
111 __u8 partner_system
[ETH_ALEN
];
114 #endif /* _LINUX_IF_BONDING_H */
119 * kept-new-versions: 5
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