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 (at) 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 * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov> 40 * - added definitions for various XOR hashing policies 41 */ 42 43 #ifndef _LINUX_IF_BONDING_H 44 #define _LINUX_IF_BONDING_H 45 46 #include <linux/if.h> 47 #include <linux/types.h> 48 #include <linux/if_ether.h> 49 50 /* userland - kernel ABI version (2003/05/08) */ 51 #define BOND_ABI_VERSION 2 52 53 /* 54 * We can remove these ioctl definitions in 2.5. People should use the 55 * SIOC*** versions of them instead 56 */ 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) 63 64 #define BOND_CHECK_MII_STATUS (SIOCGMIIPHY) 65 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) */ 73 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 */ 79 80 /* each slave has several states */ 81 #define BOND_STATE_ACTIVE 0 /* link is active */ 82 #define BOND_STATE_BACKUP 1 /* link is backup */ 83 84 #define BOND_DEFAULT_MAX_BONDS 1 /* Default maximum number of devices to support */ 85 86 #define BOND_DEFAULT_TX_QUEUES 16 /* Default number of tx queues per device */ 87 88 #define BOND_DEFAULT_RESEND_IGMP 1 /* Default number of IGMP membership reports */ 89 90 /* hashing types */ 91 #define BOND_XMIT_POLICY_LAYER2 0 /* layer 2 (MAC only), default */ 92 #define BOND_XMIT_POLICY_LAYER34 1 /* layer 3+4 (IP ^ (TCP || UDP)) */ 93 #define BOND_XMIT_POLICY_LAYER23 2 /* layer 2+3 (IP ^ MAC) */ 94 95 typedef struct ifbond { 96 __s32 bond_mode; 97 __s32 num_slaves; 98 __s32 miimon; 99 } ifbond; 100 101 typedef struct ifslave { 102 __s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */ 103 char slave_name[IFNAMSIZ]; 104 __s8 link; 105 __s8 state; 106 __u32 link_failure_count; 107 } ifslave; 108 109 struct ad_info { 110 __u16 aggregator_id; 111 __u16 ports; 112 __u16 actor_key; 113 __u16 partner_key; 114 __u8 partner_system[ETH_ALEN]; 115 }; 116 117 #endif /* _LINUX_IF_BONDING_H */ 118 119 /* 120 * Local variables: 121 * version-control: t 122 * kept-new-versions: 5 123 * c-indent-level: 8 124 * c-basic-offset: 8 125 * tab-width: 8 126 * End: 127 */ 128 129
