include/linux/if_eql.h

   1 /*
   2  * Equalizer Load-balancer for serial network interfaces.
   3  *
   4  * (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
   5  * NCM: Network and Communications Management, Inc.
   6  *
   7  *
   8  *      This software may be used and distributed according to the terms
   9  *      of the GNU General Public License, incorporated herein by reference.
  10  *
  11  * The author may be reached as simon@ncm.com, or C/O
  12  *    NCM
  13  *    Attn: Simon Janes
  14  *    6803 Whittier Ave
  15  *    McLean VA 22101
  16  *    Phone: 1-703-847-0040 ext 103
  17  */
  18
  19 #ifndef _LINUX_IF_EQL_H
  20 #define _LINUX_IF_EQL_H
  21
  22 #define EQL_DEFAULT_SLAVE_PRIORITY 28800
  23 #define EQL_DEFAULT_MAX_SLAVES     4
  24 #define EQL_DEFAULT_MTU            576
  25 #define EQL_DEFAULT_RESCHED_IVAL   HZ
  26
  27 #define EQL_ENSLAVE     (SIOCDEVPRIVATE)
  28 #define EQL_EMANCIPATE  (SIOCDEVPRIVATE + 1)
  29
  30 #define EQL_GETSLAVECFG (SIOCDEVPRIVATE + 2)
  31 #define EQL_SETSLAVECFG (SIOCDEVPRIVATE + 3)
  32
  33 #define EQL_GETMASTRCFG (SIOCDEVPRIVATE + 4)
  34 #define EQL_SETMASTRCFG (SIOCDEVPRIVATE + 5)
  35
  36 #ifdef __KERNEL__
  37
  38 #include <linux/timer.h>
  39 #include <linux/spinlock.h>
  40
  41 typedef struct slave {
  42         struct list_head        list;
  43         struct net_device       *dev;
  44         long                    priority;
  45         long                    priority_bps;
  46         long                    priority_Bps;
  47         long                    bytes_queued;
  48 } slave_t;
  49
  50 typedef struct slave_queue {
  51         spinlock_t              lock;
  52         struct list_head        all_slaves;
  53         int                     num_slaves;
  54         struct net_device       *master_dev;
  55 } slave_queue_t;
  56
  57 typedef struct equalizer {
  58         slave_queue_t           queue;
  59         int                     min_slaves;
  60         int                     max_slaves;
  61         struct timer_list       timer;
  62 } equalizer_t;
  63
  64 #endif /* __KERNEL__ */
  65
  66 typedef struct master_config {
  67         char    master_name[16];
  68         int     max_slaves;
  69         int     min_slaves;
  70 } master_config_t;
  71
  72 typedef struct slave_config {
  73         char    slave_name[16];
  74         long    priority;
  75 } slave_config_t;
  76
  77 typedef struct slaving_request {
  78         char    slave_name[16];
  79         long    priority;
  80 } slaving_request_t;
  81
  82
  83 #endif /* _LINUX_EQL_H */