Displaying 2 results from an estimated 2 matches for "anylay_out".
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any_layout
2017 Mar 01
0
[RFC] packed (virtio-net) headers
...Hi,
>
> For virtio-net, we use 2 descs for representing a (small) pkt. One for
> virtio-net header and another one for the pkt data. And it has two issues:
>
> - the desc buffer for storing pkt data is halfed
>
> Though we later introduced 2 more options to overcome this: ANYLAY_OUT
> and indirect desc. The indirect desc has another issue: it introdues
> an extra cache line visit.
So if we don't care about this part, we could maybe just add
a descriptor flag that puts the whole header in the descriptor.
> - virtio-net header could be scattered
>
> A...
2017 Mar 01
0
[RFC] packed (virtio-net) headers
...Hi,
>
> For virtio-net, we use 2 descs for representing a (small) pkt. One for
> virtio-net header and another one for the pkt data. And it has two issues:
>
> - the desc buffer for storing pkt data is halfed
>
> Though we later introduced 2 more options to overcome this: ANYLAY_OUT
> and indirect desc. The indirect desc has another issue: it introdues
> an extra cache line visit.
So if we don't care about this part, we could maybe just add
a descriptor flag that puts the whole header in the descriptor.
> - virtio-net header could be scattered
>
> A...