Accelerated receive flow steering (aRFS) for UDP

2016-10-07 Thread Chopra, Manish
Hello Folks, I am experimenting aRFS with our NIC devices, and for that I have kernel 4.8.x installed with below config. CONFIG_RPS=y CONFIG_RFS_ACCEL=y # cat /proc/cpuinfo | grep processor processor : 0 processor : 1 processor : 2 processor : 3 processor : 4 proc

Re: Accelerated receive flow steering (aRFS) for UDP

2016-10-07 Thread Eric Dumazet
On Fri, 2016-10-07 at 22:55 +, Chopra, Manish wrote: > Hello Folks, > > I am experimenting aRFS with our NIC devices, and for that I have > kernel 4.8.x installed with below config. > > CONFIG_RPS=y > CONFIG_RFS_ACCEL=y > > # cat /proc/cpuinfo | grep processor > processor : 0 > proces

RE: Accelerated receive flow steering (aRFS) for UDP

2016-10-08 Thread Chopra, Manish
> -Original Message- > From: Eric Dumazet [mailto:eric.duma...@gmail.com] > Sent: Saturday, October 08, 2016 5:08 AM > To: Chopra, Manish > Cc: netdev@vger.kernel.org; ma...@mellanox.com; t...@herbertland.com > Subject: Re: Accelerated receive flow steering (aRFS) f

Re: Accelerated receive flow steering (aRFS) for UDP

2016-10-09 Thread Eric Dumazet
..@herbertland.com > > Subject: Re: Accelerated receive flow steering (aRFS) for UDP > > > > On Fri, 2016-10-07 at 22:55 +, Chopra, Manish wrote: > > > Hello Folks, > > > > > > I am experimenting aRFS with our NIC devices, and for that I ha

RE: Accelerated receive flow steering (aRFS) for UDP

2016-10-09 Thread Chopra, Manish
> -Original Message- > From: Eric Dumazet [mailto:eric.duma...@gmail.com] > Sent: Sunday, October 09, 2016 10:45 PM > To: Chopra, Manish > Cc: netdev@vger.kernel.org; ma...@mellanox.com; t...@herbertland.com > Subject: Re: Accelerated receive flow steering (aRFS) for UDP

Re: Accelerated receive flow steering (aRFS) for UDP

2016-10-09 Thread Eric Dumazet
On Sun, 2016-10-09 at 19:48 +, Chopra, Manish wrote: > Hi Eric, I used "-n" as well with "-N" but still the problem doesn't > go away. > > This is what I have done - > > Started "netserver" on local/test setup > > #netserver > Starting netserver with host 'IN(6)ADDR_ANY' port '12865' and fa

Re: Accelerated receive flow steering (aRFS) for UDP

2016-10-10 Thread Rick Jones
On 10/09/2016 03:33 PM, Eric Dumazet wrote: OK, I am adding/CC Rick Jones, netperf author, since it seems a netperf bug, not a kernel one. I believe I already mentioned fact that "UDP_STREAM -- -N" was not doing a connect() on the receiver side. I can confirm that the receive side of the netpe

Re: Accelerated receive flow steering (aRFS) for UDP

2016-10-10 Thread Rick Jones
On 10/10/2016 09:08 AM, Rick Jones wrote: On 10/09/2016 03:33 PM, Eric Dumazet wrote: OK, I am adding/CC Rick Jones, netperf author, since it seems a netperf bug, not a kernel one. I believe I already mentioned fact that "UDP_STREAM -- -N" was not doing a connect() on the receiver side. I can

Re: Accelerated receive flow steering (aRFS) for UDP

2016-10-10 Thread Eric Dumazet
On Mon, 2016-10-10 at 09:23 -0700, Rick Jones wrote: > On 10/10/2016 09:08 AM, Rick Jones wrote: > > On 10/09/2016 03:33 PM, Eric Dumazet wrote: > >> OK, I am adding/CC Rick Jones, netperf author, since it seems a netperf > >> bug, not a kernel one. > >> > >> I believe I already mentioned fact that

RE: Accelerated receive flow steering (aRFS) for UDP

2016-10-10 Thread Chopra, Manish
> -Original Message- > From: Eric Dumazet [mailto:eric.duma...@gmail.com] > Sent: Monday, October 10, 2016 10:38 PM > To: Rick Jones > Cc: Chopra, Manish ; netdev@vger.kernel.org; > ma...@mellanox.com; t...@herbertland.com > Subject: Re: Accelerated receive flow st