drivers/net/shaper.h

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 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 dependant (read it shouldnt 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 shapelatency;
 22  __u32 shapeclock;
 23  __u32 recovery;/* Time we can next clock a packet out on
 24  an empty queue */
 25 char locked;
 26 struct device *dev;
 27 int(*hard_start_xmit) (struct sk_buff *skb,
 28 struct device *dev);
 29 int(*hard_header) (struct sk_buff *skb,
 30 struct device *dev,
 31 unsigned short type,
 32 void*daddr,
 33 void*saddr,
 34 unsigned len);
 35 int(*rebuild_header)(struct sk_buff *skb);
 36 int(*hard_header_cache)(struct dst_entry *dst,struct dst_entry *neigh,
 37 struct hh_cache *hh);
 38 void(*header_cache_update)(struct hh_cache *hh,struct device *dev,unsigned char* haddr);
 39 struct enet_statistics* (*get_stats)(struct device *dev);
 40 struct wait_queue *wait_queue;
 41 struct timer_list timer;
 42 };
 43
 44 #endif
 45
 46 #define SHAPER_SET_DEV 0x0001
 47 #define SHAPER_SET_SPEED 0x0002
 48
 49 struct shaperconf
 50 {
 51  __u16 ss_cmd;
 52 union
 53 {
 54 char ssu_name[14];
 55  __u32 ssu_speed;
 56 } ss_u;
 57 #define ss_speed ss_u.ssu_speed
 58 #define ss_name ss_u.ssu_name
 59 };
 60
 61 #endif