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 __u32 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
65
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