On 12/15/2017 07:53 AM, David Miller wrote: > From: Eric Leblond <e...@regit.org> > Date: Fri, 15 Dec 2017 11:24:46 +0100 > >> Hello, >> >> When using an ixgbe card with Suricata we are using the following >> commands to get a symmetric hash on RSS load balancing: >> >> ./set_irq_affinity 0-15 eth3 >> ethtool -X eth3 hkey >> 6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A >> equal 16 >> ethtool -x eth3 >> ethtool -n eth3 >> >> Then we start Suricata. >> >> In my current experiment on XDP, I have Suricata that inject the eBPF >> program when starting. The consequence of that when using an ixgbe card >> is that the load balancing get reset and all interrupts are reaching >> the first core. > > This definitely should _not_ be a side effect of enabling XDP on a device. >
Agreed, CC Emil and Alex we should restore these settings after the reconfiguration done to support a queue per core. .John
