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/*

 * Equalizer Load-balancer for serial network interfaces.

 *

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

 * NCM: Network and Communications Management, Inc.

 *

 *

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

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

 *

 * The author may be reached as simon@ncm.com, or C/O

 *    NCM

 *    Attn: Simon Janes

 *    6803 Whittier Ave

 *    McLean VA 22101

 *    Phone: 1-703-847-0040 ext 103

 */

#ifndef _LINUX_IF_EQL_H

#define _LINUX_IF_EQL_H

#include <linux/timer.h>

#define EQL_DEFAULT_SLAVE_PRIORITY 28800

#define EQL_DEFAULT_MAX_SLAVES     4

#define EQL_DEFAULT_MTU            576

#define EQL_DEFAULT_RESCHED_IVAL   100

#define EQL_ENSLAVE     (SIOCDEVPRIVATE)

#define EQL_EMANCIPATE  (SIOCDEVPRIVATE + 1)

#define EQL_GETSLAVECFG (SIOCDEVPRIVATE + 2)

#define EQL_SETSLAVECFG (SIOCDEVPRIVATE + 3)

#define EQL_GETMASTRCFG (SIOCDEVPRIVATE + 4)

#define EQL_SETMASTRCFG (SIOCDEVPRIVATE + 5)

typedef struct slave {

  struct device *dev;

  long priority;

  long priority_bps;

  long priority_Bps;

  long bytes_queued;

  struct slave *next;

} slave_t;

typedef struct slave_queue {

  slave_t *head;

  slave_t *best_slave;

  int num_slaves;

  struct device *master_dev;

  char lock;

} slave_queue_t;

typedef struct equalizer {

  slave_queue_t *queue;

  int min_slaves;

  int max_slaves;

  struct enet_statistics *stats;

  struct timer_list timer;

  char timer_on;

} equalizer_t;

typedef struct master_config {

  char master_name[16];

  int max_slaves;

  int min_slaves;

} master_config_t;

typedef struct slave_config {

  char slave_name[16];

  long priority;

} slave_config_t;

typedef struct slaving_request {

  char slave_name[16];

  long priority;

} slaving_request_t;

#endif /* _LINUX_EQL_H */