summaryrefslogtreecommitdiffstats
path: root/drivers/net/shaper.h
blob: abb6198af2f54fc81e9d4d0660d2cd272920bfdc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
#ifndef __LINUX_SHAPER_H
#define __LINUX_SHAPER_H

#ifdef __KERNEL__

#define SHAPER_QLEN	10
/*
 *	This is a bit speed dependant (read it shouldnt be a constant!)
 *
 *	5 is about right for 28.8 upwards. Below that double for every
 *	halving of speed or so. - ie about 20 for 9600 baud.
 */
#define SHAPER_LATENCY	(5*HZ)
#define SHAPER_MAXSLIP	2
#define SHAPER_BURST	(HZ/50)		/* Good for >128K then */

struct shaper
{
	struct sk_buff_head sendq;
	__u32 bytespertick;
	__u32 shapelatency;
	__u32 shapeclock;
	__u32 recovery;		/* Time we can next clock a packet out on
				   an empty queue */
	char locked;
	struct device *dev;
	int  (*hard_start_xmit) (struct sk_buff *skb,
		struct device *dev);
	int  (*hard_header) (struct sk_buff *skb,
		struct device *dev,
		unsigned short type,
		void *daddr,
		void *saddr,
		unsigned len);
	int  (*rebuild_header)(struct sk_buff *skb);
	int (*hard_header_cache)(struct dst_entry *dst, struct neighbour *neigh,
		struct hh_cache *hh);
	void (*header_cache_update)(struct hh_cache *hh, struct device *dev, unsigned char *  haddr);
	struct net_device_stats* (*get_stats)(struct device *dev);
	struct wait_queue *wait_queue;
	struct timer_list timer;
};

#endif

#define SHAPER_SET_DEV		0x0001
#define SHAPER_SET_SPEED	0x0002

struct shaperconf
{
	__u16	ss_cmd;
	union
	{
		char 	ssu_name[14];
		__u32	ssu_speed;
	} ss_u;
#define ss_speed ss_u.ssu_speed
#define ss_name ss_u.ssu_name
};

#endif