Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 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 net_device_stats stats; |
| 62 | struct timer_list timer; |
| 63 | } equalizer_t; |
| 64 | |
| 65 | #endif /* __KERNEL__ */ |
| 66 | |
| 67 | typedef struct master_config { |
| 68 | char master_name[16]; |
| 69 | int max_slaves; |
| 70 | int min_slaves; |
| 71 | } master_config_t; |
| 72 | |
| 73 | typedef struct slave_config { |
| 74 | char slave_name[16]; |
| 75 | long priority; |
| 76 | } slave_config_t; |
| 77 | |
| 78 | typedef struct slaving_request { |
| 79 | char slave_name[16]; |
| 80 | long priority; |
| 81 | } slaving_request_t; |
| 82 | |
| 83 | |
| 84 | #endif /* _LINUX_EQL_H */ |