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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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bc971dee6e
Dave, you were right and the sleeping locks in shaper were broken. Markus Kanet noticed this and also tested the patch below that switches locking to spinlocks. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
#ifndef __LINUX_SHAPER_H
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#define __LINUX_SHAPER_H
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#ifdef __KERNEL__
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#define SHAPER_QLEN 10
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/*
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* This is a bit speed dependent (read it shouldn't be a constant!)
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*
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* 5 is about right for 28.8 upwards. Below that double for every
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* halving of speed or so. - ie about 20 for 9600 baud.
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*/
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#define SHAPER_LATENCY (5*HZ)
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#define SHAPER_MAXSLIP 2
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#define SHAPER_BURST (HZ/50) /* Good for >128K then */
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struct shaper
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{
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struct sk_buff_head sendq;
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__u32 bytespertick;
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__u32 bitspersec;
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__u32 shapelatency;
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__u32 shapeclock;
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unsigned long recovery; /* Time we can next clock a packet out on
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an empty queue */
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spinlock_t lock;
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struct net_device_stats stats;
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struct net_device *dev;
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int (*hard_start_xmit) (struct sk_buff *skb,
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struct net_device *dev);
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int (*hard_header) (struct sk_buff *skb,
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struct net_device *dev,
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unsigned short type,
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void *daddr,
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void *saddr,
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unsigned len);
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int (*rebuild_header)(struct sk_buff *skb);
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int (*hard_header_cache)(struct neighbour *neigh, struct hh_cache *hh);
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void (*header_cache_update)(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr);
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struct net_device_stats* (*get_stats)(struct net_device *dev);
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struct timer_list timer;
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};
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#endif
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#define SHAPER_SET_DEV 0x0001
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#define SHAPER_SET_SPEED 0x0002
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#define SHAPER_GET_DEV 0x0003
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#define SHAPER_GET_SPEED 0x0004
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struct shaperconf
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{
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__u16 ss_cmd;
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union
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{
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char ssu_name[14];
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__u32 ssu_speed;
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} ss_u;
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#define ss_speed ss_u.ssu_speed
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#define ss_name ss_u.ssu_name
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};
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#endif
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