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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
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Subject: Re: [dpdk-dev] Having troubles binding an SR-IOV VF to
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On Thu, Oct 01, 2015 at 08:01:00AM -0700, Stephen Hemminger wrote:
> The per-driver ring method is what netmap did.

IIUC netmap has a standard format for descriptors, so was slower: it
still had to do all networking in kernel (it only bypasses
part of the networking stack), and to have a thread to
translate between software and hardware formats.

> The problem with that is that it forces infrastructure into already
> complex network driver.  It never was accepted.  There were also still
> security issues like time of check/time of use with the ring.

Right, because people do care about security.

-- 
MST