Re: [E1000-devel] Adding a ETH-type filter for CFM

2015-10-08 Thread Mattias Barthel
Hi thanks for answer. Unfortunately, the udp/ip stream just as the cfm stream is against only one peer. Furthemore on the guest side I have only one vcpu tied to two physical siblings to minimize L2 cache misses on ISRs due to cache coherence. I had an idea this morning, maybe I can make use of

Re: [E1000-devel] Adding a ETH-type filter for CFM

2015-10-08 Thread Alexander Duyck
The difference could be Receive Side Scaling (RSS). The UDP/IP packets can be load balanced across all queues via RSS based on a hash of the source and destination addresses. So if you have multiple sources generating these packets, or they are being received on multiple IP addresses then it

Re: [E1000-devel] X710 / i40e interface resets

2015-10-08 Thread Rose, Gregory V
> -Original Message- > From: Christian Ruppert [mailto:id...@qasl.de] > Sent: Wednesday, October 07, 2015 10:54 AM > To: Rose, Gregory V > Cc: Fujinaka, Todd; e1000-de...@lists.sf.net > Subject: RE: [E1000-devel] X710 / i40e interface resets > > On 2015-10-07 18:49, Rose, Gregory V

Re: [E1000-devel] Adding a ETH-type filter for CFM

2015-10-08 Thread Alexander Duyck
The i350 should support timestamping all packets as I recall. You should probably look into getting the linuxptp package and seeing if you can make use of the hwstamp_ctl command to enable timestamping for all incoming packets on the adapter. - Alex On 10/08/2015 12:33 AM, Mattias Barthel

Re: [E1000-devel] X710 / i40e interface resets

2015-10-08 Thread Rose, Gregory V
> -Original Message- > From: Christian Ruppert [mailto:id...@qasl.de] > Sent: Thursday, October 08, 2015 7:34 AM > To: Rose, Gregory V > Cc: Fujinaka, Todd; e1000-de...@lists.sf.net > Subject: RE: [E1000-devel] X710 / i40e interface resets > > On 2015-10-08 16:23, Rose, Gregory V wrote: >