On Sun, Aug 7, 2016 at 9:37 AM, Tal Abudi <talab...@gmail.com> wrote: > Hi All > I have a question regarding symmetric RSS hashing. > Until now I’ve been using a relatively old combination of > kernel/drivers/ethtool and I implemented some patches I found in the > mailing list to allow Toeplitz symmetric RSS so C2S and S2C packets > will land on the same queue/cpu. > > As I’m upgrading to the latest versions I wonder if I still need to > adjust my igb/ixgbe/i40e drivers or I can control it through ethtool. > > Is setting the following command is enough? > # ethtool -N eth1 rx-flow-hash udp4 tcp4 sdfn > > -- > Best regards, > Tal Abudi
The command you call out will enable RSS hashing on the UDP ports, but it doesn't enable symmetric RSS hashing. To make the RSS flow hash symmetric you would need to use the "ethtool -X" command to reduce the key to a repeating 16 bit value. Hope that helps. - Alex ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. http://sdm.link/zohodev2dev _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
