> > i think that it's better to have xennetback_tx_free() take xni_pkt
> > rather than xni_page.
> 
> Ha, so we could acknowledge the packets sooner, that's your point ?

yes.

> My idea was to defer packets ack as much as possible, to have a larger
> batch of packets to process in the frontend, and reduce the number of
> events sent to the frontend.

txring->event isn't enough?

YAMAMOTO Takashi