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Re: [UNIKRAFT PATCH v5 00/10] Introduce Xen Netfront driver

Hi Costin,

thanks a lot for your work. I will take it upstream. While doing this, I am going to remove the following line from the license header of your newly created files from patch no. 2 and 3 because it is in conflict with the BSD-3 license:

Can you consent to this change?



On 17.11.20 09:38, Costin Lupu wrote:
The current changes are required for supporting netfront devices. They should
be used together with the lwip patch series because they depend on each other.

These changes follow the same approach used for the design and implementation
of the virtio-net driver.

The first version of these patches was sent in 2018. Maybe the current year is
a lucky one and we will achieve the performance to upstream these changes.

Changes since v1:
- Split into multiple patches
- Use the new uknetdev API

Changes since v2:
- Add more info to commit messages

Changes since v3:
- Use nb_align field for queue infos
- Add patch for enabling default drivers

Changes since v4:
- Apply reviews feedback

Costin Lupu (10):
   plat/xen: Add vif device type
   plat/xen/drivers: Add skeleton for netfront driver
   plat/xen/drivers/net: Configure netfront device
   plat/xen/drivers/net: Create netfront queues
   plat/xen/drivers/net: Configure netfront tx queue
   plat/xen/drivers/net: Configure netfront rx queue
   plat/xen/drivers/net: Enable/disable interrupts for rx queues
   plat/xen/drivers/net: Start netfront device
   plat/xen/drivers/net: Add transmit operation
   plat/xen/drivers/net: Add receive operation

  plat/xen/Config.uk                 |   8 +
  plat/xen/Makefile.uk               |  11 +
  plat/xen/drivers/net/exportsyms.uk |   1 +
  plat/xen/drivers/net/netfront.c    | 860 +++++++++++++++++++++++++++++
  plat/xen/drivers/net/netfront.h    | 147 +++++
  plat/xen/drivers/net/netfront_xb.h |  46 ++
  plat/xen/drivers/net/netfront_xs.c | 528 ++++++++++++++++++
  plat/xen/include/xenbus/xenbus.h   |   1 +
  plat/xen/xenbus/client.c           |   1 +
  9 files changed, 1603 insertions(+)
  create mode 100644 plat/xen/drivers/net/exportsyms.uk
  create mode 100644 plat/xen/drivers/net/netfront.c
  create mode 100644 plat/xen/drivers/net/netfront.h
  create mode 100644 plat/xen/drivers/net/netfront_xb.h
  create mode 100644 plat/xen/drivers/net/netfront_xs.c



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