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 (at) 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 98 typedef struct ifbond { 99 __s32 bond_mode; 100 __s32 num_slaves; 101 __s32 miimon; 102 } ifbond; 103 104 typedef struct ifslave { 105 __s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */ 106 char slave_name[IFNAMSIZ]; 107 __s8 link; 108 __s8 state; 109 __u32 link_failure_count; 110 } ifslave; 111 112 struct ad_info { 113 __u16 aggregator_id; 114 __u16 ports; 115 __u16 actor_key; 116 __u16 partner_key; 117 __u8 partner_system[ETH_ALEN]; 118 }; 119 120 #endif /* _LINUX_IF_BONDING_H */ 121 122 /* 123 * Local variables: 124 * version-control: t 125 * kept-new-versions: 5 126 * c-indent-level: 8 127 * c-basic-offset: 8 128 * tab-width: 8 129 * End: 130 */ 131 132
