Re: Bad interaction between 82599 hardware RSC and VLANs

2012-04-25 Thread Andrew Boyer
Any update on this? -Andrew On Jan 13, 2012, at 6:04 PM, Jack Vogel wrote: > Hey Andrew, > > Not heard of this before, but I'll check around. > > Jack > > > On Fri, Jan 13, 2012 at 3:01 PM, Andrew Boyer wrote: > Hello Jack, > I'm seeing an issue on 82599 controllers. When hardware RSC is u

Re: Bad interaction between 82599 hardware RSC and VLANs

2012-01-13 Thread Jack Vogel
Hey Andrew, Not heard of this before, but I'll check around. Jack On Fri, Jan 13, 2012 at 3:01 PM, Andrew Boyer wrote: > Hello Jack, > I'm seeing an issue on 82599 controllers. When hardware RSC is used, > large VLAN packets arrive without the VP bit set, even though the vtag in > the descrip

Bad interaction between 82599 hardware RSC and VLANs

2012-01-13 Thread Andrew Boyer
Hello Jack, I'm seeing an issue on 82599 controllers. When hardware RSC is used, large VLAN packets arrive without the VP bit set, even though the vtag in the descriptor is correct. It totally kills the receive performance. Turning off hardware RSC in the driver (falling back to software LRO)