linux-headers (unknown)

(root)/
include/
linux/
if_bonding.h
       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 */