[deliverable/linux.git] / include / linux / if_shaper.h

#ifndef __LINUX_SHAPER_H
#define __LINUX_SHAPER_H

#ifdef __KERNEL__

#define SHAPER_QLEN	10
/*
 *	This is a bit speed dependent (read it shouldn't 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 bitspersec;
	__u32 shapelatency;
	__u32 shapeclock;
	unsigned long recovery;	/* Time we can next clock a packet out on
				   an empty queue */
	spinlock_t lock;
	struct net_device *dev;
	int  (*hard_start_xmit) (struct sk_buff *skb,
		struct net_device *dev);
	int  (*hard_header) (struct sk_buff *skb,
		struct net_device *dev,
		unsigned short type,
		void *daddr,
		void *saddr,
		unsigned len);
	int  (*rebuild_header)(struct sk_buff *skb);
	int (*hard_header_cache)(struct neighbour *neigh, struct hh_cache *hh);
	void (*header_cache_update)(struct hh_cache *hh, struct net_device *dev, unsigned char *  haddr);
	struct net_device_stats* (*get_stats)(struct net_device *dev);
	struct timer_list timer;
};

#endif

#define SHAPER_SET_DEV		0x0001
#define SHAPER_SET_SPEED	0x0002
#define SHAPER_GET_DEV		0x0003
#define SHAPER_GET_SPEED	0x0004

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
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 *dev;
	28	int (hard_start_xmit) (struct sk_buff skb,
	29	struct net_device *dev);
	30	int (hard_header) (struct sk_buff skb,
	31	struct net_device *dev,
	32	unsigned short type,
	33	void *daddr,
	34	void *saddr,
	35	unsigned len);
	36	int (rebuild_header)(struct sk_buff skb);
	37	int (hard_header_cache)(struct neighbour neigh, struct hh_cache *hh);
	38	void (header_cache_update)(struct hh_cache hh, struct net_device dev, unsigned char haddr);
	39	struct net_device_stats* (get_stats)(struct net_device dev);
1da177e4 LT	40	struct timer_list timer;
	41	};
	42
	43	#endif
	44
	45	#define SHAPER_SET_DEV 0x0001
	46	#define SHAPER_SET_SPEED 0x0002
	47	#define SHAPER_GET_DEV 0x0003
	48	#define SHAPER_GET_SPEED 0x0004
	49
	50	struct shaperconf
	51	{
	52	__u16 ss_cmd;
	53	union
	54	{
	55	char ssu_name[14];
	56	__u32 ssu_speed;
	57	} ss_u;
	58	#define ss_speed ss_u.ssu_speed
	59	#define ss_name ss_u.ssu_name
	60	};
	61
	62	#endif