Hi,
The mergeable receive buffers scheme has been in the Linux
virtio_net driver in net-next-2.6 for a while now, so it's probably
safe to assume what's there now is the final iteration of the ABI.
The following patches implement support for the scheme in
KVM. Only the 5/5 patch contains functional changes.
Changes since last time:
+ We now peak at how much buffer space is actually available in the
ring and no longer assume that buffers are at least 4k
+ The new header is now 'struct virtio_net_hdr_mrg_rxbuf' rather
than 'struct virtio_net_hdr2'
+ The new header no longer is padded to 32 bytes
Cheers,
Mark.
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