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   100
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
41typedef 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
50typedef 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
57typedef struct equalizer {
58	slave_queue_t		queue;
59	int			min_slaves;
60	int			max_slaves;
61	struct net_device_stats	stats;
62	struct timer_list	timer;
63} equalizer_t;
64
65#endif /* __KERNEL__ */
66
67typedef struct master_config {
68	char	master_name[16];
69	int	max_slaves;
70	int	min_slaves;
71} master_config_t;
72
73typedef struct slave_config {
74	char	slave_name[16];
75	long	priority;
76} slave_config_t;
77
78typedef struct slaving_request {
79	char	slave_name[16];
80	long	priority;
81} slaving_request_t;
82
83
84#endif /* _LINUX_EQL_H */
85