[dpdk-dev] [PATCH v5 0/8] net/mlx4: Tx path improvements

Adrien Mazarguil adrien.mazarguil at 6wind.com
Fri Nov 3 10:48:00 CET 2017


On Thu, Nov 02, 2017 at 01:41:39PM -0700, Ferruh Yigit wrote:
> On 11/2/2017 9:42 AM, Matan Azrad wrote:
> > v1:
> > This series is a follow-up of the new datapath implementation introduced in RC1.
> > It is dedicated to Tx and improves the performance.
> > 
> > v2:
> > Change uint32_t be_lkey to rte_be32_t lkey
> > 
> > v3:
> > Rebase to 17.11-rc2.
> > Remove "net/mlx4: save lkey in big-endian format" patch which degrade performance.
> > Merge separate segment cases patches "net/mlx4: improve performance of one Tx segment" and "net/mlx4: separate Tx for multi-segments".
> > "net/mlx4: inline more Tx functions" renamed to "net/mlx4: associate MR to MP in a short function".
> > Leave bytes counter as old version.
> > Add memory barrier improvement patch.
> > Remove empty segment support.
> > 
> > v4:
> > Remove "net/mlx4: remove empty Tx segment support" patch.
> > Add "fix ring wraparound compiler hint" patch.
> > Add "fix HW memory optimizations careless" patch.
> > Remove unnecessary IO memory barrier in completion function.
> > Remove inline declaration of completion function.
> > Fix unnecessary empty lines.
> > Fix indetations.
> > Move max=0 check removal to patch "remove duplicate handling in Tx burst" and rename the patch.
> > Add performace improvement in patch "mitigate Tx path memory barriers"
> > 
> > v5:
> > Fix compilation issue in debug mode for patch "net/mlx4: associate MR to MP in a short function".
> > Add missing includes in "net/mlx4: associate MR to MP in a short function".
> > Add cq_uar as volatile too in "net/mlx4: fix HW memory optimizations careless".
> > Fix indentation issues in "net/mlx4: separate Tx segment cases".
> > 
> > 
> > Matan Azrad (7):
> >   net/mlx4: remove error flows from Tx fast path
> >   net/mlx4: fix ring wraparound compiler hint
> >   net/mlx4: merge Tx path functions
> >   net/mlx4: remove duplicate handling in Tx burst
> >   net/mlx4: separate Tx segment cases
> >   net/mlx4: fix HW memory optimizations careless
> >   net/mlx4: mitigate Tx path memory barriers
> > 
> > Ophir Munk (1):
> >   net/mlx4: associate MR to MP in a short function
> 
> Patches has been sent and acked, so I already have my answer, but just to double
> check, these are not just fixes which normally rc3 should target, there are data
> path updates and performance improvements.
> 
> Can you please confirm you want these patches in at rc3 phase?
> I will wait for your explicit approval before getting them.

Yes, since they address a bunch of remaining performance issues, we'd like
them included in v17.11 (otherwise we'll have to backport them for v17.11.1
anyway).

Thanks Ferruh.

-- 
Adrien Mazarguil
6WIND


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