Question about packet process

xdp-project / xdp-tutorial

XDP tutorial

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Open SilenceVapor opened 3 years ago

SilenceVapor commented 3 years ago

Hi everyone,

I want to know whether XDP can remove some data from a packet and then send these data to user space.

Thanks in advance!

tohojo commented 3 years ago

Sure. You can modify the packet any way you like, and use the perf ring-buffer to send arbitrary data to userspace.