在 2023/4/8 下午6:29, Michael S. Tsirkin 写道:
On Thu, Mar 30, 2023 at 08:37:21PM +0800, Heng Qi wrote:
在 2023/3/21 上午3:48, Michael S. Tsirkin 写道:
On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
We use the most basic GRE header fields (not NVGRE), not even optional
fields.
I'd say yes
On Thu, Mar 30, 2023 at 08:37:21PM +0800, Heng Qi wrote:
>
>
> 在 2023/3/21 上午3:48, Michael S. Tsirkin 写道:
> > On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
> > > We use the most basic GRE header fields (not NVGRE), not even optional
> > > fields.
> > I'd say yes, the most convincing us
在 2023/3/21 上午3:48, Michael S. Tsirkin 写道:
On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
We use the most basic GRE header fields (not NVGRE), not even optional
fields.
I'd say yes, the most convincing usecase is with legacy GRE.
Yes. But we still have a strong need for VXLAN and
在 2023/3/21 上午3:45, Michael S. Tsirkin 写道:
On Thu, Mar 16, 2023 at 09:17:26PM +0800, Heng Qi wrote:
On Wed, Mar 15, 2023 at 10:57:40AM -0400, Michael S. Tsirkin wrote:
On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
在 2023/3/15 下午7:58, Michael S. Tsirkin 写道:
On Sat, Mar 11, 2023
On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
> We use the most basic GRE header fields (not NVGRE), not even optional
> fields.
I'd say yes, the most convincing usecase is with legacy GRE.
Given that, do you need the rest of protocols there?
We can start with just legacy GRE (think abo
On Thu, Mar 16, 2023 at 09:17:26PM +0800, Heng Qi wrote:
> On Wed, Mar 15, 2023 at 10:57:40AM -0400, Michael S. Tsirkin wrote:
> > On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
> > >
> > >
> > > 在 2023/3/15 下午7:58, Michael S. Tsirkin 写道:
> > > > On Sat, Mar 11, 2023 at 11:23:08AM +0800
On Wed, Mar 15, 2023 at 10:57:40AM -0400, Michael S. Tsirkin wrote:
> On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
> >
> >
> > 在 2023/3/15 下午7:58, Michael S. Tsirkin 写道:
> > > On Sat, Mar 11, 2023 at 11:23:08AM +0800, Heng Qi wrote:
> > > >
> > > >
> > > > 在 2023/3/10 上午3:36, Michae
On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote:
>
>
> 在 2023/3/15 下午7:58, Michael S. Tsirkin 写道:
> > On Sat, Mar 11, 2023 at 11:23:08AM +0800, Heng Qi wrote:
> > >
> > >
> > > 在 2023/3/10 上午3:36, Michael S. Tsirkin 写道:
> > > > On Thu, Mar 09, 2023 at 12:55:02PM +0800, Heng Qi wrote:
>
在 2023/3/15 下午7:58, Michael S. Tsirkin 写道:
On Sat, Mar 11, 2023 at 11:23:08AM +0800, Heng Qi wrote:
在 2023/3/10 上午3:36, Michael S. Tsirkin 写道:
On Thu, Mar 09, 2023 at 12:55:02PM +0800, Heng Qi wrote:
在 2023/3/8 下午10:39, Michael S. Tsirkin 写道:
On Wed, Mar 01, 2023 at 10:56:31AM +0800, Hen
On Sat, Mar 11, 2023 at 11:23:08AM +0800, Heng Qi wrote:
>
>
>
> 在 2023/3/10 上午3:36, Michael S. Tsirkin 写道:
> > On Thu, Mar 09, 2023 at 12:55:02PM +0800, Heng Qi wrote:
> > >
> > > 在 2023/3/8 下午10:39, Michael S. Tsirkin 写道:
> > > > On Wed, Mar 01, 2023 at 10:56:31AM +0800, Heng Qi wrote:
> > >
在 2023/3/10 上午3:36, Michael S. Tsirkin 写道:
On Thu, Mar 09, 2023 at 12:55:02PM +0800, Heng Qi wrote:
在 2023/3/8 下午10:39, Michael S. Tsirkin 写道:
On Wed, Mar 01, 2023 at 10:56:31AM +0800, Heng Qi wrote:
在 2023/2/28 下午7:16, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Hen
On Thu, Mar 09, 2023 at 12:55:02PM +0800, Heng Qi wrote:
>
>
> 在 2023/3/8 下午10:39, Michael S. Tsirkin 写道:
> > On Wed, Mar 01, 2023 at 10:56:31AM +0800, Heng Qi wrote:
> > >
> > > 在 2023/2/28 下午7:16, Michael S. Tsirkin 写道:
> > > > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> > > > >
在 2023/2/28 下午7:16, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
If the tunnel is used to encapsulate the packets, the hash calculated
using the outer header of the receive packets is always fixed for the
same flow packets, i.e. they will be steered to the s
在 2023/3/8 下午10:39, Michael S. Tsirkin 写道:
On Wed, Mar 01, 2023 at 10:56:31AM +0800, Heng Qi wrote:
在 2023/2/28 下午7:16, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
If the tunnel is used to encapsulate the packets, the hash calculated
using the outer head
On Wed, Mar 01, 2023 at 10:56:31AM +0800, Heng Qi wrote:
>
>
> 在 2023/2/28 下午7:16, Michael S. Tsirkin 写道:
> > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> > > If the tunnel is used to encapsulate the packets, the hash calculated
> > > using the outer header of the receive packets is
On Thu, Mar 02, 2023 at 04:59:46PM +0800, Jason Wang wrote:
> On Thu, Mar 2, 2023 at 4:41 PM Michael S. Tsirkin wrote:
> >
> > On Thu, Mar 02, 2023 at 04:15:39PM +0800, Jason Wang wrote:
> > > On Thu, Mar 2, 2023 at 4:10 PM Michael S. Tsirkin wrote:
> > > >
> > > > On Thu, Mar 02, 2023 at 03:57:1
On Thu, Mar 2, 2023 at 4:41 PM Michael S. Tsirkin wrote:
>
> On Thu, Mar 02, 2023 at 04:15:39PM +0800, Jason Wang wrote:
> > On Thu, Mar 2, 2023 at 4:10 PM Michael S. Tsirkin wrote:
> > >
> > > On Thu, Mar 02, 2023 at 03:57:10PM +0800, Jason Wang wrote:
> > > > Kernel had already used the eBPF pr
On Thu, Mar 02, 2023 at 04:15:39PM +0800, Jason Wang wrote:
> On Thu, Mar 2, 2023 at 4:10 PM Michael S. Tsirkin wrote:
> >
> > On Thu, Mar 02, 2023 at 03:57:10PM +0800, Jason Wang wrote:
> > > Kernel had already used the eBPF program for hashing, classifying
> > > various types of eBPF program oth
On Thu, Mar 2, 2023 at 4:10 PM Michael S. Tsirkin wrote:
>
> On Thu, Mar 02, 2023 at 03:57:10PM +0800, Jason Wang wrote:
> > Kernel had already used the eBPF program for hashing, classifying
> > various types of eBPF program other than XDP/socket filter
> > (pass/drop).
> >
> > Thanks
>
> where is
On Thu, Mar 02, 2023 at 03:57:10PM +0800, Jason Wang wrote:
> Kernel had already used the eBPF program for hashing, classifying
> various types of eBPF program other than XDP/socket filter
> (pass/drop).
>
> Thanks
where is it used for hashing?
--
MST
-
On Thu, Mar 2, 2023 at 3:42 PM Michael S. Tsirkin wrote:
>
> On Thu, Mar 02, 2023 at 10:57:12AM +0800, Jason Wang wrote:
> > On Wed, Mar 1, 2023 at 6:36 PM Michael S. Tsirkin wrote:
> > >
> > > On Wed, Mar 01, 2023 at 10:36:41AM +0800, Jason Wang wrote:
> > > > On Tue, Feb 28, 2023 at 7:05 PM Mic
On Thu, Mar 02, 2023 at 10:57:12AM +0800, Jason Wang wrote:
> On Wed, Mar 1, 2023 at 6:36 PM Michael S. Tsirkin wrote:
> >
> > On Wed, Mar 01, 2023 at 10:36:41AM +0800, Jason Wang wrote:
> > > On Tue, Feb 28, 2023 at 7:05 PM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Tue, Feb 28, 2023 at
On Wed, Mar 1, 2023 at 6:36 PM Michael S. Tsirkin wrote:
>
> On Wed, Mar 01, 2023 at 10:36:41AM +0800, Jason Wang wrote:
> > On Tue, Feb 28, 2023 at 7:05 PM Michael S. Tsirkin wrote:
> > >
> > > On Tue, Feb 28, 2023 at 11:04:26AM +0800, Jason Wang wrote:
> > > > On Tue, Feb 28, 2023 at 1:49 AM Mi
On Wed, Mar 01, 2023 at 10:36:41AM +0800, Jason Wang wrote:
> On Tue, Feb 28, 2023 at 7:05 PM Michael S. Tsirkin wrote:
> >
> > On Tue, Feb 28, 2023 at 11:04:26AM +0800, Jason Wang wrote:
> > > On Tue, Feb 28, 2023 at 1:49 AM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Mon, Feb 27, 2023 a
在 2023/2/28 下午7:16, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
If the tunnel is used to encapsulate the packets, the hash calculated
using the outer header of the receive packets is always fixed for the
same flow packets, i.e. they will be steered to the s
On Tue, Feb 28, 2023 at 7:05 PM Michael S. Tsirkin wrote:
>
> On Tue, Feb 28, 2023 at 11:04:26AM +0800, Jason Wang wrote:
> > On Tue, Feb 28, 2023 at 1:49 AM Michael S. Tsirkin wrote:
> > >
> > > On Mon, Feb 27, 2023 at 04:35:09PM +0800, Jason Wang wrote:
> > > > On Mon, Feb 27, 2023 at 3:39 PM M
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> If the tunnel is used to encapsulate the packets, the hash calculated
> using the outer header of the receive packets is always fixed for the
> same flow packets, i.e. they will be steered to the same receive queue.
Wait a second. How is t
On Tue, Feb 28, 2023 at 11:04:26AM +0800, Jason Wang wrote:
> On Tue, Feb 28, 2023 at 1:49 AM Michael S. Tsirkin wrote:
> >
> > On Mon, Feb 27, 2023 at 04:35:09PM +0800, Jason Wang wrote:
> > > On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Mon, Feb 27, 2023 a
在 2023/2/28 下午4:52, Michael S. Tsirkin 写道:
On Tue, Feb 28, 2023 at 11:04:26AM +0800, Jason Wang wrote:
On Tue, Feb 28, 2023 at 1:49 AM Michael S. Tsirkin wrote:
On Mon, Feb 27, 2023 at 04:35:09PM +0800, Jason Wang wrote:
On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin wrote:
On Mon, F
On Tue, Feb 28, 2023 at 11:04:26AM +0800, Jason Wang wrote:
> On Tue, Feb 28, 2023 at 1:49 AM Michael S. Tsirkin wrote:
> >
> > On Mon, Feb 27, 2023 at 04:35:09PM +0800, Jason Wang wrote:
> > > On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Mon, Feb 27, 2023 a
On Tue, Feb 28, 2023 at 1:49 AM Michael S. Tsirkin wrote:
>
> On Mon, Feb 27, 2023 at 04:35:09PM +0800, Jason Wang wrote:
> > On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin wrote:
> > >
> > > On Mon, Feb 27, 2023 at 12:07:17PM +0800, Jason Wang wrote:
> > > > Btw, this kind of 1:1 hash featur
On Mon, Feb 27, 2023 at 04:35:09PM +0800, Jason Wang wrote:
> On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin wrote:
> >
> > On Mon, Feb 27, 2023 at 12:07:17PM +0800, Jason Wang wrote:
> > > Btw, this kind of 1:1 hash features seems not scalable and flexible.
> > > It requires an endless extens
在 2023/2/27 下午4:35, Jason Wang 写道:
On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin wrote:
On Mon, Feb 27, 2023 at 12:07:17PM +0800, Jason Wang wrote:
Btw, this kind of 1:1 hash features seems not scalable and flexible.
It requires an endless extension on bits/fields. Modern NICs allow th
On Mon, Feb 27, 2023 at 3:39 PM Michael S. Tsirkin wrote:
>
> On Mon, Feb 27, 2023 at 12:07:17PM +0800, Jason Wang wrote:
> > Btw, this kind of 1:1 hash features seems not scalable and flexible.
> > It requires an endless extension on bits/fields. Modern NICs allow the
> > user to customize the ha
On Mon, Feb 27, 2023 at 12:07:17PM +0800, Jason Wang wrote:
> Btw, this kind of 1:1 hash features seems not scalable and flexible.
> It requires an endless extension on bits/fields. Modern NICs allow the
> user to customize the hash calculation, for virtio-net we can allow to
> use eBPF program to
On Fri, Feb 24, 2023 at 4:06 PM Michael S. Tsirkin wrote:
>
> On Fri, Feb 24, 2023 at 10:26:30AM +0800, Jason Wang wrote:
> > On Thu, Feb 23, 2023 at 9:03 PM Michael S. Tsirkin wrote:
> > >
> > > On Thu, Feb 23, 2023 at 10:50:48AM +0800, Jason Wang wrote:
> > > > Hi:
> > > >
> > > > 在 2023/2/22 1
> From: Michael S. Tsirkin
> Sent: Friday, February 24, 2023 3:13 AM
[..]
> > The inner hash is only needed for GRE, IPIP etc.
> > For VXLAN and NVGRE Linux kernel transmit side uses the entropy of the
> source port of the outer header.
> > It does that based on the inner header.
> > Refer to [
On Fri, Feb 24, 2023 at 10:38:37PM +0800, Heng Qi wrote:
>
>
> 在 2023/2/24 下午4:13, Michael S. Tsirkin 写道:
> > On Thu, Feb 23, 2023 at 02:40:46PM +, Parav Pandit wrote:
> > >
> > > > From: Michael S. Tsirkin
> > > > Sent: Thursday, February 23, 2023 8:14 AM
> > > >
> > > > On Sat, Feb 18, 2
在 2023/2/24 下午4:13, Michael S. Tsirkin 写道:
On Thu, Feb 23, 2023 at 02:40:46PM +, Parav Pandit wrote:
From: Michael S. Tsirkin
Sent: Thursday, February 23, 2023 8:14 AM
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
So for RSS specifically, we brain-stormed with Amnon (Cc'
On Thu, Feb 23, 2023 at 02:40:46PM +, Parav Pandit wrote:
>
>
> > From: Michael S. Tsirkin
> > Sent: Thursday, February 23, 2023 8:14 AM
> >
> > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
>
>
> > So for RSS specifically, we brain-stormed with Amnon (Cc'd) and came up with
>
On Fri, Feb 24, 2023 at 10:45:13AM +0800, Jason Wang wrote:
>
> 在 2023/2/23 12:41, Heng Qi 写道:
> >
> >
> > 在 2023/2/23 上午10:50, Jason Wang 写道:
> > > Hi:
> > >
> > > 在 2023/2/22 14:46, Heng Qi 写道:
> > > > Hi, Jason. Long time no see. :)
> > > >
> > > > 在 2023/2/22 上午11:22, Jason Wang 写道:
> > >
On Fri, Feb 24, 2023 at 10:26:30AM +0800, Jason Wang wrote:
> On Thu, Feb 23, 2023 at 9:03 PM Michael S. Tsirkin wrote:
> >
> > On Thu, Feb 23, 2023 at 10:50:48AM +0800, Jason Wang wrote:
> > > Hi:
> > >
> > > 在 2023/2/22 14:46, Heng Qi 写道:
> > > > Hi, Jason. Long time no see. :)
> > > >
> > > > 在
On Fri, Feb 24, 2023 at 12:42:40PM +0800, Heng Qi wrote:
>
>
> 在 2023/2/23 下午9:13, Michael S. Tsirkin 写道:
> > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> > > +\subparagraph{Security risks between encapsulated packets and RSS}
> > > +There may be potential security risks when encaps
在 2023/2/24 上午10:45, Jason Wang 写道:
在 2023/2/23 12:41, Heng Qi 写道:
在 2023/2/23 上午10:50, Jason Wang 写道:
Hi:
在 2023/2/22 14:46, Heng Qi 写道:
Hi, Jason. Long time no see. :)
在 2023/2/22 上午11:22, Jason Wang 写道:
在 2023/2/22 01:50, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM
在 2023/2/23 下午9:13, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
+\subparagraph{Security risks between encapsulated packets and RSS}
+There may be potential security risks when encapsulated packets using RSS to
+select queues for placement.
Is this just wit
在 2023/2/23 12:41, Heng Qi 写道:
在 2023/2/23 上午10:50, Jason Wang 写道:
Hi:
在 2023/2/22 14:46, Heng Qi 写道:
Hi, Jason. Long time no see. :)
在 2023/2/22 上午11:22, Jason Wang 写道:
在 2023/2/22 01:50, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
+\subparagraph{S
On Thu, Feb 23, 2023 at 9:03 PM Michael S. Tsirkin wrote:
>
> On Thu, Feb 23, 2023 at 10:50:48AM +0800, Jason Wang wrote:
> > Hi:
> >
> > 在 2023/2/22 14:46, Heng Qi 写道:
> > > Hi, Jason. Long time no see. :)
> > >
> > > 在 2023/2/22 上午11:22, Jason Wang 写道:
> > > >
> > > > 在 2023/2/22 01:50, Michael
> From: Michael S. Tsirkin
> Sent: Thursday, February 23, 2023 8:14 AM
>
> On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> So for RSS specifically, we brain-stormed with Amnon (Cc'd) and came up with
> an idea: RSS indirection table entries are 16 bit but onlu 15 bits are used to
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> +\subparagraph{Security risks between encapsulated packets and RSS}
> +There may be potential security risks when encapsulated packets using RSS to
> +select queues for placement.
Is this just with RSS? I assume hash calculation is also us
On Thu, Feb 23, 2023 at 10:50:48AM +0800, Jason Wang wrote:
> Hi:
>
> 在 2023/2/22 14:46, Heng Qi 写道:
> > Hi, Jason. Long time no see. :)
> >
> > 在 2023/2/22 上午11:22, Jason Wang 写道:
> > >
> > > 在 2023/2/22 01:50, Michael S. Tsirkin 写道:
> > > > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wro
在 2023/2/23 上午10:50, Jason Wang 写道:
Hi:
在 2023/2/22 14:46, Heng Qi 写道:
Hi, Jason. Long time no see. :)
在 2023/2/22 上午11:22, Jason Wang 写道:
在 2023/2/22 01:50, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
+\subparagraph{Security risks between encapsulate
Hi:
在 2023/2/22 14:46, Heng Qi 写道:
Hi, Jason. Long time no see. :)
在 2023/2/22 上午11:22, Jason Wang 写道:
在 2023/2/22 01:50, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
+\subparagraph{Security risks between encapsulated packets and RSS}
+There may be potenti
On Wed, Feb 22, 2023 at 02:46:51PM +0800, Heng Qi wrote:
> Hi, Jason. Long time no see. :)
>
> 在 2023/2/22 上午11:22, Jason Wang 写道:
> >
> > 在 2023/2/22 01:50, Michael S. Tsirkin 写道:
> > > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> > > > +\subparagraph{Security risks between encapsu
On Wed, Feb 22, 2023 at 03:03:32PM +0800, Heng Qi wrote:
>
>
> 在 2023/2/22 下午2:21, Michael S. Tsirkin 写道:
> > On Wed, Feb 22, 2023 at 10:34:39AM +0800, Heng Qi wrote:
> > > > The user will figure out how to mitigate when such QoS is not
> > > > available. Either to run in best-effort mode or mit
在 2023/2/22 下午2:21, Michael S. Tsirkin 写道:
On Wed, Feb 22, 2023 at 10:34:39AM +0800, Heng Qi wrote:
The user will figure out how to mitigate when such QoS is not available. Either
to run in best-effort mode or mitigate differently.
Yes, our cloud security and cloud network team will configu
Hi, Jason. Long time no see. :)
在 2023/2/22 上午11:22, Jason Wang 写道:
在 2023/2/22 01:50, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
+\subparagraph{Security risks between encapsulated packets and RSS}
+There may be potential security risks when encapsulated p
On Wed, Feb 22, 2023 at 10:34:39AM +0800, Heng Qi wrote:
> > The user will figure out how to mitigate when such QoS is not available.
> > Either to run in best-effort mode or mitigate differently.
>
> Yes, our cloud security and cloud network team will configure and use inner
> hash on dpdk.
Sou
在 2023/2/22 01:50, Michael S. Tsirkin 写道:
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
+\subparagraph{Security risks between encapsulated packets and RSS}
+There may be potential security risks when encapsulated packets using RSS to
+select queues for placement. When a user inside
在 2023/2/22 上午7:18, Michael S. Tsirkin 写道:
On Tue, Feb 21, 2023 at 10:32:11PM +, Parav Pandit wrote:
From: Michael S. Tsirkin
Sent: Tuesday, February 21, 2023 4:46 PM
What is this information driver can't observe? It sees all the packets after
all,
we are not stripping tunneling header
> From: Michael S. Tsirkin
> Sent: Tuesday, February 21, 2023 6:18 PM
> > The question of discussion was,
> > Scenario:
> > 1. device advertises the ability to hash on the inner packet header.
> > 2. device prefers that driver enable it only when it needs to use this extra
> packet parser in h
On Tue, Feb 21, 2023 at 10:32:11PM +, Parav Pandit wrote:
>
> > From: Michael S. Tsirkin
> > Sent: Tuesday, February 21, 2023 4:46 PM
> >
> > What is this information driver can't observe? It sees all the packets
> > after all,
> > we are not stripping tunneling headers.
> Just the tunnel t
> From: Michael S. Tsirkin
> Sent: Tuesday, February 21, 2023 4:46 PM
>
> What is this information driver can't observe? It sees all the packets after
> all,
> we are not stripping tunneling headers.
Just the tunnel type.
If/when that tunnel header is stripped, it gets complicated where tunnel
On Tue, Feb 21, 2023 at 09:36:06PM +, Parav Pandit wrote:
> > So you are saying either live with the problem (this is best effort yes?)
> Yes to best effort usage.
For sure something can be done to mitigate? How about randomizing the
key for example? That's in just like 1 minute of thinking.
> From: Michael S. Tsirkin
> Sent: Tuesday, February 21, 2023 4:24 PM
>
> On Tue, Feb 21, 2023 at 07:29:20PM +, Parav Pandit wrote:
> > > > When a specific receive queue is shared to receive packets of
> > > > multiple
> > > tunnels, there is no quality of service for packets of multiple tu
On Tue, Feb 21, 2023 at 07:29:20PM +, Parav Pandit wrote:
> > > When a specific receive queue is shared to receive packets of multiple
> > tunnels, there is no quality of service for packets of multiple tunnels.
> >
> > "shared to receive" is not grammatical either :)
> >
> "Shared by multipl
> From: Michael S. Tsirkin
> Sent: Tuesday, February 21, 2023 12:06 PM
>
> On Tue, Feb 21, 2023 at 04:20:59AM +, Parav Pandit wrote:
> >
> > > From: Heng Qi
> > > Sent: Saturday, February 18, 2023 9:37 AM
> >
> > > If the tunnel is used to encapsulate the packets, the hash
> > > calculate
On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote:
> +\subparagraph{Security risks between encapsulated packets and RSS}
> +There may be potential security risks when encapsulated packets using RSS to
> +select queues for placement. When a user inside a tunnel tries to control the
> +enqueuin
On Tue, Feb 21, 2023 at 04:20:59AM +, Parav Pandit wrote:
>
> > From: Heng Qi
> > Sent: Saturday, February 18, 2023 9:37 AM
>
> > If the tunnel is used to encapsulate the packets, the hash calculated using
> > the
> s/hash calculated/hash is calculated
>
> > outer header of the receive pac
> From: Heng Qi
> Sent: Saturday, February 18, 2023 9:37 AM
> If the tunnel is used to encapsulate the packets, the hash calculated using
> the
s/hash calculated/hash is calculated
> outer header of the receive packets is always fixed for the same flow packets,
> i.e. they will be steered to
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