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xen-devel
RE: [Xen-devel] [PATCH 2/2] netfront skb padding
> Jumbo frames can be 16k (or possibly larger), that would be 4
> pages + 1
> unnecessary page containing the 200 bytes.
Jumbo frames are a completely different ball game. Ideally you'd want to
get the headers seperated off and have the actual data units page
aligned.
> Sure, but we only have 1 layer (not the 9 that we have room
> for). All other
> layers would be encapsulated inside the data of the skb (or am I not
> understanding the problem correctly).
Other layers of headers and encapsulation could get added when the
packet arrives in the backend, so having a generous headroom may be
useful. Right now, I can certainly see no downside.
Ian
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