[dpdk-dev] Symmetric RSS Hashing in DPDK

2014-12-18 Thread Franck Baudin
On 12/18/14 07:55, Jim Thompson wrote: > The issues are outlined in this paper: > http://www.ndsl.kaist.edu/~shinae/papers/TR-symRSS.pdf If the RSS scope is limited to IP addresses (2-tuple instead of a 5-tuple), do we have a symmetric distribution with the default RSS key provided by DPDK with

[dpdk-dev] Symmetric RSS Hashing in DPDK

2014-12-18 Thread Zhang, Helin
6 PM > To: Kamraan Nasim > Cc: dev at dpdk.org; Steve Noble; Jeriel Smith > Subject: Re: [dpdk-dev] Symmetric RSS Hashing in DPDK > > > The issues are outlined in this paper: > http://www.ndsl.kaist.edu/~shinae/papers/TR-symRSS.pdf > > > On Dec 17, 2014, at 7:28 PM,

[dpdk-dev] Symmetric RSS Hashing in DPDK

2014-12-18 Thread Jim Thompson
ern of "0x00 0x01" which helps in getting a symmetrical hashing. But, >>> the packet spraying is not that good as "0x6d5a". Please let me know if you >>> find a alternative. >>> Thanks, >>> Jeriel >>> >>> >>>> --

[dpdk-dev] Symmetric RSS Hashing in DPDK

2014-12-17 Thread Kamraan Nasim
> pattern of "0x00 0x01" which helps in getting a symmetrical hashing. But, >> the packet spraying is not that good as "0x6d5a". Please let me know if you >> find a alternative. >> Thanks, >> Jeriel >> >> >>> -- Forwarded

[dpdk-dev] Symmetric RSS Hashing in DPDK

2014-12-17 Thread Kamraan Nasim
you > find a alternative. > Thanks, > Jeriel > > >> -- Forwarded message -- >> From: Kamraan Nasim >> Date: Tue, Dec 16, 2014 at 11:52 AM >> Subject: [dpdk-dev] Symmetric RSS Hashing in DPDK >> To: dev at dpdk.org >> Cc: Steve Noble ,

[dpdk-dev] Symmetric RSS Hashing in DPDK

2014-12-16 Thread Kamraan Nasim
Hello, My DPDK application requires bidirectional TCP flows to have the same RSS hash however default RSS hashing is *asymmetric*. There are posts such as: http://dpdk.info/ml/archives/dev/2014-February/001460.html which point to a symmetric RSS key(0x6d5a). I have tried using it but it is still