[dpdk-dev] DPDK 21.11+ Windows Roadmap
u9012063 at gmail.com
Fri Aug 27 04:31:05 CEST 2021
Thanks, I have one question.
On Thu, Aug 26, 2021 at 5:19 PM Dmitry Kozlyuk <dmitry.kozliuk at gmail.com> wrote:
> This roadmap has been discussed on Windows community calls Aug 5 and Aug 19
> and it met no principal objections. It extends beyond the nearest release,
> but it is useful to have a comprehensive backlog in one place.
> In 21.11 it looks realistic to have:
> 4. Miscellaneous
> 4.1. Refactor bus/pci (DmitryK)
> Currently netuio maps BARs at PCI bus scan. This is against DPDK model
> and can break certain scenarios, like running apps with different sets of
> available PMDs. PCI bus driver code must be refactored.
Can you elaborate more about the "against DPDK model" and the
scenarios it might break?
I thought it's common that when a driver loads, it scans PCI configuration
space, and mmap BARs. So I'm curious why it's an issue for DPDK.
> 4.2. Move from Setup API to cfgmgr32 API in EAL and bus/pci (DmitryK)
> Setup API is deprecated, also Tyler indicated it causes layering
> violation warnings by Microsoft internal tools. To make DPDK a good
> Windows citizen, cfgmgr32 should be used to work with devices and driver
> 4.3. Enable unit tests [unit] (Jie Zhou)
> 4.5. Add WPP(?) tracing to netuio
> Debugging netuio loading issues in VMWare case appeared to be impossible
> until adding debug prints to pinpoint the place of failure. Tracing all
> errors at least would help. virt2phys is also getting tracing in the
> recent patch series. End-users can collect traces and attach them to
> bug reports, this should be added to DPDK user documentation.
> It is unclear who will do this and when, but Microsoft approves the
> idea and can provide guidance on tracing technologies.
> 4.6. Find a way to install netuio without GUI.
> Currently in requires Device Manager GUI, which is absent in WS Core,
> it is also inconvenient to lack commands for copy&paste.
> Investigate [devmgr].
I'd love to have this. It's pretty inconvenient using GUI.
More information about the dev