Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
17struct 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 spinlock_t lock;
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 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
51struct 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