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" Janes
7 * 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.gov
11 *
12 * This software may be used and distributed according to the terms
13 * 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> and
20 * Shmulik Hen <shmulik.hen at intel dot com>
21 * - Enable support of modes that need to use the unique mac address of
22 * each slave.
23 *
24 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and
25 * Amir Noam <amir.noam at intel dot com>
26 * - Moved driver's private data types to bonding.h
27 *
28 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>,
29 * Tsippy Mendelson <tsippy.mendelson at intel dot com> and
30 * 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 between
35 * 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 changes
39 *
40 * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov>
41 * - added definitions for various XOR hashing policies
42 */
43
44 #ifndef _LINUX_IF_BONDING_H
45 #define _LINUX_IF_BONDING_H
46
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 2
53
54 /*
55 * We can remove these ioctl definitions in 2.5. People should use the
56 * SIOC*** versions of them instead
57 */
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 0
68 #define BOND_MODE_ACTIVEBACKUP 1
69 #define BOND_MODE_XOR 2
70 #define BOND_MODE_BROADCAST 3
71 #define BOND_MODE_8023AD 4
72 #define BOND_MODE_TLB 5
73 #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 0x1
101 #define LACP_STATE_LACP_TIMEOUT 0x2
102 #define LACP_STATE_AGGREGATION 0x4
103 #define LACP_STATE_SYNCHRONIZATION 0x8
104 #define LACP_STATE_COLLECTING 0x10
105 #define LACP_STATE_DISTRIBUTING 0x20
106 #define LACP_STATE_DEFAULTED 0x40
107 #define LACP_STATE_EXPIRED 0x80
108
109 typedef struct ifbond {
110 __s32 bond_mode;
111 __s32 num_slaves;
112 __s32 miimon;
113 } ifbond;
114
115 typedef 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
123 struct 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 */
132 enum {
133 BOND_XSTATS_UNSPEC,
134 BOND_XSTATS_3AD,
135 __BOND_XSTATS_MAX
136 };
137 #define BOND_XSTATS_MAX (__BOND_XSTATS_MAX - 1)
138
139 /* Embedded inside BOND_XSTATS_3AD */
140 enum {
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_MAX
152 };
153 #define BOND_3AD_STAT_MAX (__BOND_3AD_STAT_MAX - 1)
154
155 #endif /* _LINUX_IF_BONDING_H */
156
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