1 /*
2 * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'.
3 *
4 *
5 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
6 * NCM: Network and Communications Management, Inc.
7 *
8 * BUT, I'm the one who modified it for ethernet, so:
9 * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov
10 *
11 * This software may be used and distributed according to the terms
12 * of the GNU Public License, incorporated herein by reference.
13 *
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.
17 *
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
21 * each slave.
22 *
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
26 *
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.
31 *
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.
35 *
36 * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com>
37 * - Code cleanup and style changes
38 */
39
40 #ifndef _LINUX_IF_BONDING_H
41 #define _LINUX_IF_BONDING_H
42
43 #include <linux/if.h>
44 #include <linux/types.h>
45 #include <linux/if_ether.h>
46
47 /* userland - kernel ABI version (2003/05/08) */
48 #define BOND_ABI_VERSION 2
49
50 /*
51 * We can remove these ioctl definitions in 2.5. People should use the
52 * SIOC*** versions of them instead
53 */
54 #define BOND_ENSLAVE_OLD (SIOCDEVPRIVATE)
55 #define BOND_RELEASE_OLD (SIOCDEVPRIVATE + 1)
56 #define BOND_SETHWADDR_OLD (SIOCDEVPRIVATE + 2)
57 #define BOND_SLAVE_INFO_QUERY_OLD (SIOCDEVPRIVATE + 11)
58 #define BOND_INFO_QUERY_OLD (SIOCDEVPRIVATE + 12)
59 #define BOND_CHANGE_ACTIVE_OLD (SIOCDEVPRIVATE + 13)
60
61 #define BOND_CHECK_MII_STATUS (SIOCGMIIPHY)
62
63 #define BOND_MODE_ROUNDROBIN 0
64 #define BOND_MODE_ACTIVEBACKUP 1
65 #define BOND_MODE_XOR 2
66 #define BOND_MODE_BROADCAST 3
67 #define BOND_MODE_8023AD 4
68 #define BOND_MODE_TLB 5
69 #define BOND_MODE_ALB 6 /* TLB + RLB (receive load balancing) */
70
71 /* each slave's link has 4 states */
72 #define BOND_LINK_UP 0 /* link is up and running */
73 #define BOND_LINK_FAIL 1 /* link has just gone down */
74 #define BOND_LINK_DOWN 2 /* link has been down for too long time */
75 #define BOND_LINK_BACK 3 /* link is going back */
76
77 /* each slave has several states */
78 #define BOND_STATE_ACTIVE 0 /* link is active */
79 #define BOND_STATE_BACKUP 1 /* link is backup */
80
81 #define BOND_DEFAULT_MAX_BONDS 1 /* Default maximum number of devices to support */
82
83 typedef struct ifbond {
84 __s32 bond_mode;
85 __s32 num_slaves;
86 __s32 miimon;
87 } ifbond;
88
89 typedef struct ifslave
90 {
91 __s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */
92 char slave_name[IFNAMSIZ];
93 __s8 link;
94 __s8 state;
95 __u32 link_failure_count;
96 } ifslave;
97
98 struct ad_info {
99 __u16 aggregator_id;
100 __u16 ports;
101 __u16 actor_key;
102 __u16 partner_key;
103 __u8 partner_system[ETH_ALEN];
104 };
105
106 #endif /* _LINUX_IF_BONDING_H */
107
108 /*
109 * Local variables:
110 * version-control: t
111 * kept-new-versions: 5
112 * c-indent-level: 8
113 * c-basic-offset: 8
114 * tab-width: 8
115 * End:
116 */
117
118
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