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Re: [Qemu-devel] [PATCH 0/3] Add COLO-proxy virtio-net support

From: Jason Wang
Subject: Re: [Qemu-devel] [PATCH 0/3] Add COLO-proxy virtio-net support
Date: Tue, 21 Mar 2017 11:39:56 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

On 2017年03月16日 17:52, Zhang Chen wrote:
If user use -device virtio-net-pci, virtio-net driver will add a header
to raw net packet that colo-proxy can't handle it. COLO-proxy just
focus on the packet payload, so we skip the virtio-net header to compare
the sent packet that primary guest's to secondary guest's.

Zhang Chen (3):
   COLO-proxy: Add virtio-net packet parse function
   COLO-proxy: Add a tag to mark virtio-net packet
   COLO-compare: Add virtio-net packet compare support

  net/colo-compare.c    | 42 +++++++++++++++++++++++++++++++++---------
  net/colo.c            | 14 ++++++++++----
  net/colo.h            |  7 ++++++-
  net/filter-rewriter.c | 15 ++++++++++-----
  4 files changed, 59 insertions(+), 19 deletions(-)


Git grep told us virtio-net is not the only user for vnet header. E1000e and vmxnet3 uses it too.

So we need solve them all instead of being virtio-net specific.


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