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    • Pavel Dovgaluk's avatar
      record/replay: add network support · 646c5478
      Pavel Dovgaluk authored
      
      This patch adds support of recording and replaying network packets in
      irount rr mode.
      
      Record and replay for network interactions is performed with the network filter.
      Each backend must have its own instance of the replay filter as follows:
       -netdev user,id=net1 -device rtl8139,netdev=net1
       -object filter-replay,id=replay,netdev=net1
      
      Replay network filter is used to record and replay network packets. While
      recording the virtual machine this filter puts all packets coming from
      the outer world into the log. In replay mode packets from the log are
      injected into the network device. All interactions with network backend
      in replay mode are disabled.
      
      v5 changes:
       - using iov_to_buf function instead of loop
      
      Signed-off-by: default avatarPavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
      Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
      646c5478
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