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