[Click] a question about udpgen.click

[Eddie Kohler]

liuzhan_hn wrote:
>     I have a question about udpgen.click. I feel a little confused about "pd :: PollDevice($device) -> ToHost".  What the purpose of the sentense is ? Does it matter if I leave out the sentense in the udpgen.click.
>     Could anyone do me a favor, please? Thank you.
> 
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This line sends incoming packets to the host stack.
You should be able to leave it out, but if you leave
it out, your interface will definitely not use polling mode.

Eddie