subject:"Re\: \[dpdk\-dev\] \[PATCH v2 7\/8\] net\/mlx4\: align Tx descriptors number"

Re: [dpdk-dev] [PATCH v2 7/8] net/mlx4: align Tx descriptors number

2017-12-06 Thread Matan Azrad

Hi Adrien > -Original Message- > From: Adrien Mazarguil [mailto:adrien.mazarg...@6wind.com] > Sent: Wednesday, December 6, 2017 6:23 PM > To: Matan Azrad > Cc: dev@dpdk.org > Subject: Re: [PATCH v2 7/8] net/mlx4: align Tx descriptors number > > On Wed, Dec 06, 2017 at 02:48:12PM +, M

Re: [dpdk-dev] [PATCH v2 7/8] net/mlx4: align Tx descriptors number

2017-12-06 Thread Adrien Mazarguil

On Wed, Dec 06, 2017 at 02:48:12PM +, Matan Azrad wrote: > Using power of 2 descriptors number makes the ring management easier > and allows to use mask operation instead of wraparound conditions. > > Adjust Tx descriptor number to be power of 2 and change calculation to > use mask accordingly