On Sat, 2016-01-30 at 10:36 -0800, Alexander Duyck wrote: > As far as the NET_IP_ALIGN on the page offset I think it is a horrible > idea. Basically it means we have to allocate at least 1K more space > than we need since page sizes are powers of 2, and buffer sizes in > hardware are measured in 1K increments.
I thought Ethernet frames were something like ~1500 bytes. Can't you program the NIC to not receive frames bigger than MTU + 18, or at least 2046 ? Of course, if the NIC is able to push 2048 bytes (instead of 2046 max), using an offset of 2 is not going to work.
