Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-27 Thread Jason Wang
On 10/27/2015 05:05 PM, Michael S. Tsirkin wrote: > On Tue, Oct 27, 2015 at 10:58:25AM +0800, Jason Wang wrote: >> >> On 10/26/2015 04:30 PM, Michael S. Tsirkin wrote: >>> On Mon, Oct 26, 2015 at 02:53:38PM +0800, Jason Wang wrote: On 10/26/2015 02:09 PM, Michael S. Tsirkin wrote: > On M

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-27 Thread Michael S. Tsirkin
On Tue, Oct 27, 2015 at 10:58:25AM +0800, Jason Wang wrote: > > > On 10/26/2015 04:30 PM, Michael S. Tsirkin wrote: > > On Mon, Oct 26, 2015 at 02:53:38PM +0800, Jason Wang wrote: > >> > >> On 10/26/2015 02:09 PM, Michael S. Tsirkin wrote: > >>> On Mon, Oct 26, 2015 at 11:15:57AM +0800, Jason Wan

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-26 Thread Jason Wang
On 10/26/2015 04:30 PM, Michael S. Tsirkin wrote: > On Mon, Oct 26, 2015 at 02:53:38PM +0800, Jason Wang wrote: >> >> On 10/26/2015 02:09 PM, Michael S. Tsirkin wrote: >>> On Mon, Oct 26, 2015 at 11:15:57AM +0800, Jason Wang wrote: On 10/23/2015 09:37 PM, Michael S. Tsirkin wrote: > On F

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-26 Thread Michael S. Tsirkin
On Mon, Oct 26, 2015 at 02:53:38PM +0800, Jason Wang wrote: > > > On 10/26/2015 02:09 PM, Michael S. Tsirkin wrote: > > On Mon, Oct 26, 2015 at 11:15:57AM +0800, Jason Wang wrote: > >> > >> On 10/23/2015 09:37 PM, Michael S. Tsirkin wrote: > >>> On Fri, Oct 23, 2015 at 12:57:05AM -0400, Jason Wan

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-25 Thread Jason Wang
On 10/26/2015 02:09 PM, Michael S. Tsirkin wrote: > On Mon, Oct 26, 2015 at 11:15:57AM +0800, Jason Wang wrote: >> >> On 10/23/2015 09:37 PM, Michael S. Tsirkin wrote: >>> On Fri, Oct 23, 2015 at 12:57:05AM -0400, Jason Wang wrote: We don't have fraglist support in TAP_FEATURES. This will le

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-25 Thread Michael S. Tsirkin
On Mon, Oct 26, 2015 at 11:15:57AM +0800, Jason Wang wrote: > > > On 10/23/2015 09:37 PM, Michael S. Tsirkin wrote: > > On Fri, Oct 23, 2015 at 12:57:05AM -0400, Jason Wang wrote: > >> We don't have fraglist support in TAP_FEATURES. This will lead > >> software segmentation of gro skb with frag l

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-25 Thread Jason Wang
On 10/23/2015 09:37 PM, Michael S. Tsirkin wrote: > On Fri, Oct 23, 2015 at 12:57:05AM -0400, Jason Wang wrote: >> We don't have fraglist support in TAP_FEATURES. This will lead >> software segmentation of gro skb with frag list. Fixes by having >> frag list support in TAP_FEATURES. >> >> With th

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-23 Thread Michael S. Tsirkin
On Fri, Oct 23, 2015 at 12:57:05AM -0400, Jason Wang wrote: > We don't have fraglist support in TAP_FEATURES. This will lead > software segmentation of gro skb with frag list. Fixes by having > frag list support in TAP_FEATURES. > > With this patch single session of netperf receiving were restored

Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-23 Thread David Miller
From: Jason Wang Date: Fri, 23 Oct 2015 00:57:05 -0400 > We don't have fraglist support in TAP_FEATURES. This will lead > software segmentation of gro skb with frag list. Fixes by having > frag list support in TAP_FEATURES. > > With this patch single session of netperf receiving were restored fr

[PATCH net] macvtap: unbreak receiving of gro skb with frag list

2015-10-22 Thread Jason Wang
We don't have fraglist support in TAP_FEATURES. This will lead software segmentation of gro skb with frag list. Fixes by having frag list support in TAP_FEATURES. With this patch single session of netperf receiving were restored from about 5Gb/s to about 12Gb/s on mlx4. Fixes a567dd6252 ("macvtap