| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef __LINUX_SHAPER_H |
| 2 | #define __LINUX_SHAPER_H |
| 3 | |
| 4 | #ifdef __KERNEL__ |
| 5 | |
| 6 | #define SHAPER_QLEN 10 |
| 7 | /* |
| 8 | * This is a bit speed dependent (read it shouldn't be a constant!) |
| 9 | * |
| 10 | * 5 is about right for 28.8 upwards. Below that double for every |
| 11 | * halving of speed or so. - ie about 20 for 9600 baud. |
| 12 | */ |
| 13 | #define SHAPER_LATENCY (5*HZ) |
| 14 | #define SHAPER_MAXSLIP 2 |
| 15 | #define SHAPER_BURST (HZ/50) /* Good for >128K then */ |
| 16 | |
| 17 | struct shaper |
| 18 | { |
| 19 | struct sk_buff_head sendq; |
| 20 | __u32 bytespertick; |
| 21 | __u32 bitspersec; |
| 22 | __u32 shapelatency; |
| 23 | __u32 shapeclock; |
| 24 | unsigned long recovery; /* Time we can next clock a packet out on |
| 25 | an empty queue */ |
| 26 | unsigned long locked; |
| 27 | struct net_device_stats stats; |
| 28 | struct net_device *dev; |
| 29 | int (*hard_start_xmit) (struct sk_buff *skb, |
| 30 | struct net_device *dev); |
| 31 | int (*hard_header) (struct sk_buff *skb, |
| 32 | struct net_device *dev, |
| 33 | unsigned short type, |
| 34 | void *daddr, |
| 35 | void *saddr, |
| 36 | unsigned len); |
| 37 | int (*rebuild_header)(struct sk_buff *skb); |
| 38 | int (*hard_header_cache)(struct neighbour *neigh, struct hh_cache *hh); |
| 39 | void (*header_cache_update)(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr); |
| 40 | struct net_device_stats* (*get_stats)(struct net_device *dev); |
| 41 | wait_queue_head_t wait_queue; |
| 42 | struct timer_list timer; |
| 43 | }; |
| 44 | |
| 45 | #endif |
| 46 | |
| 47 | #define SHAPER_SET_DEV 0x0001 |
| 48 | #define SHAPER_SET_SPEED 0x0002 |
| 49 | #define SHAPER_GET_DEV 0x0003 |
| 50 | #define SHAPER_GET_SPEED 0x0004 |
| 51 | |
| 52 | struct shaperconf |
| 53 | { |
| 54 | __u16 ss_cmd; |
| 55 | union |
| 56 | { |
| 57 | char ssu_name[14]; |
| 58 | __u32 ssu_speed; |
| 59 | } ss_u; |
| 60 | #define ss_speed ss_u.ssu_speed |
| 61 | #define ss_name ss_u.ssu_name |
| 62 | }; |
| 63 | |
| 64 | #endif |