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/*

 * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'.

 *

 *

 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes

 * NCM: Network and Communications Management, Inc.

 *

 * BUT, I'm the one who modified it for ethernet, so:

 * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov

 *

 *      This software may be used and distributed according to the terms

 *      of the GNU Public License, incorporated herein by reference.

 *

 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>

 *      - Added support for getting slave's speed and duplex via ethtool.

 *        Needed for 802.3ad and other future modes.

 *

 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and

 *              Shmulik Hen <shmulik.hen at intel dot com>

 *      - Enable support of modes that need to use the unique mac address of

 *        each slave.

 *

 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and

 *              Amir Noam <amir.noam at intel dot com>

 *      - Moved driver's private data types to bonding.h

 *

 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>,

 *              Tsippy Mendelson <tsippy.mendelson at intel dot com> and

 *              Shmulik Hen <shmulik.hen at intel dot com>

 *      - Added support for IEEE 802.3ad Dynamic link aggregation mode.

 *

 * 2003/05/01 - Amir Noam <amir.noam at intel dot com>

 *      - Added ABI version control to restore compatibility between

 *        new/old ifenslave and new/old bonding.

 *

 * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com>

 *      - Code cleanup and style changes

 *

 * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov>

 *      - added definitions for various XOR hashing policies

 */

#ifndef _LINUX_IF_BONDING_H

#define _LINUX_IF_BONDING_H

#include <linux/if.h>

#include <linux/types.h>

#include <linux/if_ether.h>

/* userland - kernel ABI version (2003/05/08) */

#define BOND_ABI_VERSION 2

/*

 * We can remove these ioctl definitions in 2.5.  People should use the

 * SIOC*** versions of them instead

 */

#define BOND_ENSLAVE_OLD                (SIOCDEVPRIVATE)

#define BOND_RELEASE_OLD                (SIOCDEVPRIVATE + 1)

#define BOND_SETHWADDR_OLD              (SIOCDEVPRIVATE + 2)

#define BOND_SLAVE_INFO_QUERY_OLD       (SIOCDEVPRIVATE + 11)

#define BOND_INFO_QUERY_OLD             (SIOCDEVPRIVATE + 12)

#define BOND_CHANGE_ACTIVE_OLD          (SIOCDEVPRIVATE + 13)

#define BOND_CHECK_MII_STATUS   (SIOCGMIIPHY)

#define BOND_MODE_ROUNDROBIN    0

#define BOND_MODE_ACTIVEBACKUP  1

#define BOND_MODE_XOR           2

#define BOND_MODE_BROADCAST     3

#define BOND_MODE_8023AD        4

#define BOND_MODE_TLB           5

#define BOND_MODE_ALB           6 /* TLB + RLB (receive load balancing) */

/* each slave's link has 4 states */

#define BOND_LINK_UP    0           /* link is up and running */

#define BOND_LINK_FAIL  1           /* link has just gone down */

#define BOND_LINK_DOWN  2           /* link has been down for too long time */

#define BOND_LINK_BACK  3           /* link is going back */

/* each slave has several states */

#define BOND_STATE_ACTIVE       0   /* link is active */

#define BOND_STATE_BACKUP       1   /* link is backup */

#define BOND_DEFAULT_MAX_BONDS  1   /* Default maximum number of devices to support */

#define BOND_DEFAULT_TX_QUEUES 16   /* Default number of tx queues per device */

#define BOND_DEFAULT_RESEND_IGMP        1 /* Default number of IGMP membership reports */

/* hashing types */

#define BOND_XMIT_POLICY_LAYER2         0 /* layer 2 (MAC only), default */

#define BOND_XMIT_POLICY_LAYER34        1 /* layer 3+4 (IP ^ (TCP || UDP)) */

#define BOND_XMIT_POLICY_LAYER23        2 /* layer 2+3 (IP ^ MAC) */

#define BOND_XMIT_POLICY_ENCAP23        3 /* encapsulated layer 2+3 */

#define BOND_XMIT_POLICY_ENCAP34        4 /* encapsulated layer 3+4 */

typedef struct ifbond {

        __s32 bond_mode;

        __s32 num_slaves;

        __s32 miimon;

} ifbond;

typedef struct ifslave {

        __s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */

        char slave_name[IFNAMSIZ];

        __s8 link;

        __s8 state;

        __u32  link_failure_count;

} ifslave;

struct ad_info {

        __u16 aggregator_id;

        __u16 ports;

        __u16 actor_key;

        __u16 partner_key;

        __u8 partner_system[ETH_ALEN];

};

#endif /* _LINUX_IF_BONDING_H */

/*

 * Local variables:

 *  version-control: t

 *  kept-new-versions: 5

 *  c-indent-level: 8

 *  c-basic-offset: 8

 *  tab-width: 8

 * End:

 */