[dpdk-dev] [PATCH 00/24] Refactor mlx5 to improve performance

[Nélio Laranjeiro]

On Fri, Jun 17, 2016 at 05:09:43PM +0100, Ferruh Yigit wrote:
> On 6/8/2016 10:47 AM, Nelio Laranjeiro wrote:
> > Enhance mlx5 with a data path that bypasses Verbs.
> > 
> > The first half of this patchset removes support for functionality completely
> > rewritten in the second half (scatter/gather, inline send), while the data
> > path is refactored without Verbs.
> > 
> > The PMD remains usable during the transition.
> > 
> > This patchset must be applied after "Miscellaneous fixes for mlx4 and mlx5".
> > 
> > Adrien Mazarguil (8):
> >   mlx5: replace countdown with threshold for TX completions
> >   mlx5: add debugging information about TX queues capabilities
> >   mlx5: check remaining space while processing TX burst
> >   mlx5: resurrect TX gather support
> >   mlx5: work around spurious compilation errors
> >   mlx5: remove redundant RX queue initialization code
> >   mlx5: make RX queue reinitialization safer
> >   mlx5: resurrect RX scatter support
> > 
> > Nelio Laranjeiro (15):
> >   mlx5: split memory registration function for better performance
> >   mlx5: remove TX gather support
> >   mlx5: remove RX scatter support
> >   mlx5: remove configuration variable for maximum number of segments
> >   mlx5: remove inline TX support
> >   mlx5: split TX queue structure
> >   mlx5: split RX queue structure
> >   mlx5: update prerequisites for upcoming enhancements
> >   mlx5: add definitions for data path without Verbs
> >   mlx5: add support for configuration through kvargs
> >   mlx5: add TX/RX burst function selection wrapper
> >   mlx5: refactor RX data path
> >   mlx5: refactor TX data path
> >   mlx5: handle RX CQE compression
> >   mlx5: add support for multi-packet send
> > 
> > Yaacov Hazan (1):
> >   mlx5: add support for inline send
> > 
> 
> I run basic checks to the patchset:
> 
> There are various checkpatch warnings, all are warning or check level
> 
> Patch 8 and 13 failed to apply with via git, -looks line line numbers
> shifted a little, this is not a problem since eventually it applies but
> just for your information.
> 
> check-git-log is giving following errors, it is mainly case issue in Rx/Tx:
> Wrong headline lowercase:
>         mlx5: resurrect RX scatter support
>         mlx5: make RX queue reinitialization safer
>         mlx5: remove redundant RX queue initialization code
>         mlx5: resurrect TX gather support
>         mlx5: check remaining space while processing TX burst
>         mlx5: add debugging information about TX queues capabilities
>         mlx5: replace countdown with threshold for TX completions
>         mlx5: handle RX CQE compression
>         mlx5: refactor RX data path
>         mlx5: add TX/RX burst function selection wrapper
>         mlx5: split RX queue structure
>         mlx5: split TX queue structure
>         mlx5: remove inline TX support
>         mlx5: remove RX scatter support
>         mlx5: remove TX gather support
> Headline too long:
>         mlx5: remove configuration variable for maximum number of segments
>         mlx5: split memory registration function for better performance
> 
> 
> It compiles fine.
> 
> Regards,
> ferruh

Hi ferruh,

In fact, It does not apply well on top the current DPDK master branch.

Thanks.

-- 
Nélio Laranjeiro
6WIND