[dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header

2016-04-06 Thread Thomas Monjalon
> > For simple TX the virtio-net header must be zeroed, but it was using memory > > that had been initialized with indirect descriptor tables. This resulted in > > "unsupported gso type" errors from librte_vhost. > > > > We can use the same memory for every descriptor to save cachelines in the > >

[dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header

2016-04-05 Thread Tan, Jianfeng
Hi, On 4/5/2016 12:26 PM, Yuanhan Liu wrote: > On Tue, Apr 05, 2016 at 11:20:05AM +0800, Tan, Jianfeng wrote: >> Hi, >> >> On 4/5/2016 10:11 AM, Rich Lane wrote: >>> For simple TX the virtio-net header must be zeroed, but it was using memory >>> that had been initialized with indirect descriptor t

[dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header

2016-04-05 Thread Yuanhan Liu
On Tue, Apr 05, 2016 at 11:20:05AM +0800, Tan, Jianfeng wrote: > Hi, > > On 4/5/2016 10:11 AM, Rich Lane wrote: > >For simple TX the virtio-net header must be zeroed, but it was using memory > >that had been initialized with indirect descriptor tables. This resulted in > >"unsupported gso type" er

[dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header

2016-04-05 Thread Yuanhan Liu
On Mon, Apr 04, 2016 at 07:11:01PM -0700, Rich Lane wrote: > For simple TX the virtio-net header must be zeroed, but it was using memory > that had been initialized with indirect descriptor tables. This resulted in > "unsupported gso type" errors from librte_vhost. > > We can use the same memory f

[dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header

2016-04-05 Thread Tan, Jianfeng
Hi, On 4/5/2016 10:11 AM, Rich Lane wrote: > For simple TX the virtio-net header must be zeroed, but it was using memory > that had been initialized with indirect descriptor tables. This resulted in > "unsupported gso type" errors from librte_vhost. > > We can use the same memory for every descrip

[dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header

2016-04-04 Thread Rich Lane
For simple TX the virtio-net header must be zeroed, but it was using memory that had been initialized with indirect descriptor tables. This resulted in "unsupported gso type" errors from librte_vhost. We can use the same memory for every descriptor to save cachelines in the vswitch. Fixes: 6dc5de