On Mi, 2015-01-28 at 18:48 +0200, Michael S. Tsirkin wrote:
> On Wed, Jan 28, 2015 at 05:15:49PM +0100, Hannes Frederic Sowa wrote:
> > Hi,
> >
> > On Mi, 2015-01-28 at 18:00 +0200, Michael S. Tsirkin wrote:
> > > On Wed, Jan 28, 2015 at 11:34:02AM +0100, Hannes Frederic Sowa wrote:
> > > > Hi,
>
On Wed, Jan 28, 2015 at 05:15:49PM +0100, Hannes Frederic Sowa wrote:
> Hi,
>
> On Mi, 2015-01-28 at 18:00 +0200, Michael S. Tsirkin wrote:
> > On Wed, Jan 28, 2015 at 11:34:02AM +0100, Hannes Frederic Sowa wrote:
> > > Hi,
> > >
> > > On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
>
On Wed, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
[...]
> > I see fragmentation id generation still as security critical:
> > When Eric patched the frag id generator in 04ca6973f7c1a0d ("ip: make IP
> > identifiers l
Hi,
On Mi, 2015-01-28 at 18:00 +0200, Michael S. Tsirkin wrote:
> On Wed, Jan 28, 2015 at 11:34:02AM +0100, Hannes Frederic Sowa wrote:
> > Hi,
> >
> > On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> > > On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> > > > H
On Wed, Jan 28, 2015 at 11:34:02AM +0100, Hannes Frederic Sowa wrote:
> Hi,
>
> On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> > On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> > > Hello,
> > >
> > > On Di, 2015-01-27 at 18:08 +0200, Michael S. Tsirkin wrote
On Wed, Jan 28, 2015 at 10:27:47AM -0500, Vlad Yasevich wrote:
> On 01/28/2015 09:45 AM, Hannes Frederic Sowa wrote:
> > Hi,
> >
> > On Mi, 2015-01-28 at 09:16 -0500, Vlad Yasevich wrote:
> >> On 01/28/2015 05:34 AM, Hannes Frederic Sowa wrote:
> >>> Hi,
> >>>
> >>> On Mi, 2015-01-28 at 11:46 +020
On 01/28/2015 09:45 AM, Hannes Frederic Sowa wrote:
> Hi,
>
> On Mi, 2015-01-28 at 09:16 -0500, Vlad Yasevich wrote:
>> On 01/28/2015 05:34 AM, Hannes Frederic Sowa wrote:
>>> Hi,
>>>
>>> On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
On Wed, Jan 28, 2015 at 09:25:08AM +0100, Han
Hi,
On Mi, 2015-01-28 at 09:16 -0500, Vlad Yasevich wrote:
> On 01/28/2015 05:34 AM, Hannes Frederic Sowa wrote:
> > Hi,
> >
> > On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> >> On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> >>> Hello,
> >>>
> >>> On Di, 2
On Mi, 2015-01-28 at 15:43 +0200, Michael S. Tsirkin wrote:
> On Wed, Jan 28, 2015 at 11:34:02AM +0100, Hannes Frederic Sowa wrote:
> > Hi,
> >
> > On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> > > On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> > > > Hello,
On 01/28/2015 05:34 AM, Hannes Frederic Sowa wrote:
> Hi,
>
> On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
>> On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
>>> Hello,
>>>
>>> On Di, 2015-01-27 at 18:08 +0200, Michael S. Tsirkin wrote:
On Tue, Jan 27, 201
On Wed, Jan 28, 2015 at 11:34:02AM +0100, Hannes Frederic Sowa wrote:
> Hi,
>
> On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> > On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> > > Hello,
> > >
> > > On Di, 2015-01-27 at 18:08 +0200, Michael S. Tsirkin wrote
On Mi, 2015-01-28 at 11:34 +0100, Hannes Frederic Sowa wrote:
>
> > And now it's even easier - just patch the hypervisor, and all VMs
> > automatically benefit.
>
> Sometimes the hypervisor is not under my control. You would need to
> patch both kernels in your case - non gso frames would still g
Hi,
On Mi, 2015-01-28 at 11:46 +0200, Michael S. Tsirkin wrote:
> On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> > Hello,
> >
> > On Di, 2015-01-27 at 18:08 +0200, Michael S. Tsirkin wrote:
> > > On Tue, Jan 27, 2015 at 05:02:31PM +0100, Hannes Frederic Sowa wrote:
> > >
On Wed, Jan 28, 2015 at 09:25:08AM +0100, Hannes Frederic Sowa wrote:
> Hello,
>
> On Di, 2015-01-27 at 18:08 +0200, Michael S. Tsirkin wrote:
> > On Tue, Jan 27, 2015 at 05:02:31PM +0100, Hannes Frederic Sowa wrote:
> > > On Di, 2015-01-27 at 09:26 -0500, Vlad Yasevich wrote:
> > > > On 01/27/201
Hello,
On Di, 2015-01-27 at 18:08 +0200, Michael S. Tsirkin wrote:
> On Tue, Jan 27, 2015 at 05:02:31PM +0100, Hannes Frederic Sowa wrote:
> > On Di, 2015-01-27 at 09:26 -0500, Vlad Yasevich wrote:
> > > On 01/27/2015 08:47 AM, Hannes Frederic Sowa wrote:
> > > > On Di, 2015-01-27 at 10:42 +0200,
On 01/27/2015 11:02 AM, Hannes Frederic Sowa wrote:
> On Di, 2015-01-27 at 09:26 -0500, Vlad Yasevich wrote:
>> On 01/27/2015 08:47 AM, Hannes Frederic Sowa wrote:
>>> On Di, 2015-01-27 at 10:42 +0200, Michael S. Tsirkin wrote:
On Tue, Jan 27, 2015 at 02:47:54AM +, Ben Hutchings wrote:
>>>
On Tue, Jan 27, 2015 at 05:02:31PM +0100, Hannes Frederic Sowa wrote:
> On Di, 2015-01-27 at 09:26 -0500, Vlad Yasevich wrote:
> > On 01/27/2015 08:47 AM, Hannes Frederic Sowa wrote:
> > > On Di, 2015-01-27 at 10:42 +0200, Michael S. Tsirkin wrote:
> > >> On Tue, Jan 27, 2015 at 02:47:54AM +, B
On Di, 2015-01-27 at 09:26 -0500, Vlad Yasevich wrote:
> On 01/27/2015 08:47 AM, Hannes Frederic Sowa wrote:
> > On Di, 2015-01-27 at 10:42 +0200, Michael S. Tsirkin wrote:
> >> On Tue, Jan 27, 2015 at 02:47:54AM +, Ben Hutchings wrote:
> >>> On Mon, 2015-01-26 at 09:37 -0500, Vladislav Yasevic
On Tue, 2015-01-27 at 09:26 -0500, Vlad Yasevich wrote:
> That's what I originally wanted to do, but had to move and grow txflags thus
> skb_shinfo ended up growing. I wanted to avoid that, so stole an skb flag.
>
> I considered treating fragid == 0 as unset, but a 0 fragid is perfectly valid
>
On 01/27/2015 08:47 AM, Hannes Frederic Sowa wrote:
> On Di, 2015-01-27 at 10:42 +0200, Michael S. Tsirkin wrote:
>> On Tue, Jan 27, 2015 at 02:47:54AM +, Ben Hutchings wrote:
>>> On Mon, 2015-01-26 at 09:37 -0500, Vladislav Yasevich wrote:
If the IPv6 fragment id has not been set and we p
On Di, 2015-01-27 at 10:42 +0200, Michael S. Tsirkin wrote:
> On Tue, Jan 27, 2015 at 02:47:54AM +, Ben Hutchings wrote:
> > On Mon, 2015-01-26 at 09:37 -0500, Vladislav Yasevich wrote:
> > > If the IPv6 fragment id has not been set and we perform
> > > fragmentation due to UFO, select a new fr
On Tue, Jan 27, 2015 at 02:47:54AM +, Ben Hutchings wrote:
> On Mon, 2015-01-26 at 09:37 -0500, Vladislav Yasevich wrote:
> > If the IPv6 fragment id has not been set and we perform
> > fragmentation due to UFO, select a new fragment id.
> > When we store the fragment id into skb_shinfo, set th
From: Ben Hutchings
Date: Tue, 27 Jan 2015 02:47:54 +
> On Mon, 2015-01-26 at 09:37 -0500, Vladislav Yasevich wrote:
>> If the IPv6 fragment id has not been set and we perform
>> fragmentation due to UFO, select a new fragment id.
>> When we store the fragment id into skb_shinfo, set the bit
On Mon, 2015-01-26 at 09:37 -0500, Vladislav Yasevich wrote:
> If the IPv6 fragment id has not been set and we perform
> fragmentation due to UFO, select a new fragment id.
> When we store the fragment id into skb_shinfo, set the bit
> in the skb so we can re-use the selected id.
> This preserves t
If the IPv6 fragment id has not been set and we perform
fragmentation due to UFO, select a new fragment id.
When we store the fragment id into skb_shinfo, set the bit
in the skb so we can re-use the selected id.
This preserves the behavior of UFO packets generated on the
host and solves the issue o
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