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[APL][IO Mediator] Remove unused netmap/vale in virtio-net #1313

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mwang106 opened this issue Sep 21, 2018 · 1 comment
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[APL][IO Mediator] Remove unused netmap/vale in virtio-net #1313

mwang106 opened this issue Sep 21, 2018 · 1 comment
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status: closed The issue been closed type: feature New feature
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v0.3

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@mwang106
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Remove unused netmap/vale
@mwang106 mwang106 added type: feature New feature status: new The issue status: new for creation labels Sep 21, 2018
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mwang106 commented Sep 21, 2018 •
edited by Mingyuan18
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[External_System_ID] ACRN-2151

@ssqre ssqre mentioned this issue Sep 21, 2018
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ssqre added a commit to acrn-project/acrn-hypervisor that referenced this issue Sep 21, 2018
@ssqre
dm: virtio_net: remove netmap/vale backend support
34dcecf 
Netmap/vale attempts to speed up network communication by bypassing the
TCP/IP network stack, which requires patching the physical NIC driver so
that applications developed based on netmap can interact directly with
the physical NIC driver. It may make sense for some specific scenarios
which requres very high bandwith (10Gb/s or 100Gb/s), we can even put up
with the complexity and compatibility introduced by this techology.
However for ACRN, a virtualization solution for IoT, there is no need to
support this backend. For 1Gb NICs or below, the VBS-U/tap solution
can already achieve near-native bandwidth. To keep simplicity and
improve compatibility, remove the netmap/vale support in dm.

Tracked-On: projectacrn#1313

Signed-off-by: Jie Deng <jie.deng@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
lijinxia pushed a commit that referenced this issue Sep 25, 2018
@ssqre @lijinxia
dm: virtio_net: remove netmap/vale backend support
f375885 
Netmap/vale attempts to speed up network communication by bypassing the
TCP/IP network stack, which requires patching the physical NIC driver so
that applications developed based on netmap can interact directly with
the physical NIC driver. It may make sense for some specific scenarios
which requres very high bandwith (10Gb/s or 100Gb/s), we can even put up
with the complexity and compatibility introduced by this techology.
However for ACRN, a virtualization solution for IoT, there is no need to
support this backend. For 1Gb NICs or below, the VBS-U/tap solution
can already achieve near-native bandwidth. To keep simplicity and
improve compatibility, remove the netmap/vale support in dm.

Tracked-On: #1313

Signed-off-by: Jie Deng <jie.deng@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
@mwang106 mwang106 closed this as completed Nov 9, 2018
@mwang106 mwang106 added status: closed The issue been closed and removed status: new The issue status: new for creation labels Nov 9, 2018
@hwang37 hwang37 added this to the v0.3 milestone Nov 16, 2018
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