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bullero


Total Posts: 59
Joined: Feb 2018
 
Posted: 2020-02-18 08:34
Anyone have done experiments with Linux XDP (eXpress Data Path)?

henderson


Total Posts: 180
Joined: Jul 2007
 
Posted: 2020-02-20 15:04
It is on my short list to try out soon.

doomanx


Total Posts: 75
Joined: Jul 2018
 
Posted: 2020-02-20 16:47
Had a look at it a while back. If you weren't doing kernel bypass already it would be a big time-saver in terms of development time.

did you use VWAP or triple-reinforced GAN execution?

bullero


Total Posts: 59
Joined: Feb 2018
 
Posted: 2020-02-21 09:20
@doomanx Do you happen to have any example code from XDP "stack" to user space memory?

edit: the only working examples seem to be ddos related msg filters Expressionless

henderson


Total Posts: 180
Joined: Jul 2007
 
Posted: 2020-02-21 15:39
It looks like there are some good examples at https://github.com/xdp-project/xdp-tutorial. There are some userspace interactions in the tracing*-* examples, example: https://github.com/xdp-project/xdp-tutorial/tree/master/tracing01-xdp-simple
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