策略是指限制入站报文的速度,丢弃超出的报文。
我在include/linux/netdevice.h中看到一条评论"skb被警察射杀“。
当然是相似的,但是这个名字背后有什么故事吗?
发布于 2012-03-06 00:16:50
是的-
http://lxr.linux.no/#linux+v3.2.9/net/sched/Kconfig
menuconfig NET_SCHED
bool "QoS and/or fair queueing"
select NET_SCH_FIFO
---help---
When the kernel has several packets to send out over a network
device, it has to decide which ones to send first, which ones to
delay, and which ones to drop. This is the job of the queueing
disciplines, several different algorithms for how to do this
"fairly" have been proposed.
...
config NET_ACT_POLICE
tristate "Traffic Policing"
depends on NET_CLS_ACT
---help---
Say Y here if you want to do traffic policing, i.e. strict
bandwidth limiting. This action replaces the existing policing
module.
To compile this code as a module, choose M here: the
module will be called act_police.https://stackoverflow.com/questions/9569965
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