projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 */ | |
| bc971dee | 26 | spinlock_t lock; |
| 1da177e4 LT |
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); | |
| 1da177e4 LT |
41 | struct timer_list timer; |
| 42 | }; | |
| 43 | ||
| 44 | #endif | |
| 45 | ||
| 46 | #define SHAPER_SET_DEV 0x0001 | |
| 47 | #define SHAPER_SET_SPEED 0x0002 | |
| 48 | #define SHAPER_GET_DEV 0x0003 | |
| 49 | #define SHAPER_GET_SPEED 0x0004 | |
| 50 | ||
| 51 | struct shaperconf | |
| 52 | { | |
| 53 | __u16 ss_cmd; | |
| 54 | union | |
| 55 | { | |
| 56 | char ssu_name[14]; | |
| 57 | __u32 ssu_speed; | |
| 58 | } ss_u; | |
| 59 | #define ss_speed ss_u.ssu_speed | |
| 60 | #define ss_name ss_u.ssu_name | |
| 61 | }; | |
| 62 | ||
| 63 | #endif |