On Wed, Feb 22, 2017 at 1:43 PM, Jesper Dangaard Brouer
wrote:
> On Wed, 22 Feb 2017 09:22:53 -0800
> Tom Herbert wrote:
>
>> On Wed, Feb 22, 2017 at 1:43 AM, Jesper Dangaard Brouer
>> wrote:
>> >
>> > On Tue, 21 Feb 2017 14:54:35 -0800 Tom Herbert
>> > wrote:
>> >> On Tue, Feb 21, 2017 at 2:2
On Wed, 22 Feb 2017 09:22:53 -0800
Tom Herbert wrote:
> On Wed, Feb 22, 2017 at 1:43 AM, Jesper Dangaard Brouer
> wrote:
> >
> > On Tue, 21 Feb 2017 14:54:35 -0800 Tom Herbert
> > wrote:
> >> On Tue, Feb 21, 2017 at 2:29 PM, Saeed Mahameed
> >> wrote:
> > [...]
> >> > The only complexi
On Wed, Feb 22, 2017 at 1:43 AM, Jesper Dangaard Brouer
wrote:
>
> On Tue, 21 Feb 2017 14:54:35 -0800 Tom Herbert wrote:
>> On Tue, Feb 21, 2017 at 2:29 PM, Saeed Mahameed
>> wrote:
> [...]
>> > The only complexity XDP is adding to the drivers is the constrains on
>> > RX memory management and
On Tue, 21 Feb 2017 14:54:35 -0800 Tom Herbert wrote:
> On Tue, Feb 21, 2017 at 2:29 PM, Saeed Mahameed
> wrote:
[...]
> > The only complexity XDP is adding to the drivers is the constrains on
> > RX memory management and memory model, calling the XDP program itself
> > and handling the action
On Tue, Feb 21, 2017 at 1:40 AM, Alexander Duyck
wrote:
> On Mon, Feb 20, 2017 at 2:57 PM, Saeed Mahameed wrote:
>>
>>
>> On 02/20/2017 10:09 PM, Alexander Duyck wrote:
>>> On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
>>> wrote:
First thing to bring in order for the XDP proj
On Tue, Feb 21, 2017 at 2:40 PM, Saeed Mahameed
wrote:
> On Tue, Feb 21, 2017 at 7:40 PM, Tom Herbert wrote:
>> On Tue, Feb 21, 2017 at 8:46 AM, David Miller wrote:
>>> From: Tom Herbert
>>> Date: Tue, 21 Feb 2017 08:35:41 -0800
>>>
We already have good APIs for similar datapath functional
On Tue, Feb 21, 2017 at 2:29 PM, Saeed Mahameed
wrote:
> On Tue, Feb 21, 2017 at 6:35 PM, Tom Herbert wrote:
>> On Mon, Feb 20, 2017 at 2:57 PM, Saeed Mahameed wrote:
>>>
>>> Well, although I think Jesper is a little bit exaggerating ;) I guess he
>>> has a point
>>> and i am on his side on thi
On Tue, Feb 21, 2017 at 7:40 PM, Tom Herbert wrote:
> On Tue, Feb 21, 2017 at 8:46 AM, David Miller wrote:
>> From: Tom Herbert
>> Date: Tue, 21 Feb 2017 08:35:41 -0800
>>
>>> We already have good APIs for similar datapath functionality (GRO,
>>> GSO, xmit_more, etc.), and I don't see why XDP is
On Tue, Feb 21, 2017 at 6:35 PM, Tom Herbert wrote:
> On Mon, Feb 20, 2017 at 2:57 PM, Saeed Mahameed wrote:
>>
>> Well, although I think Jesper is a little bit exaggerating ;) I guess he has
>> a point
>> and i am on his side on this discussion. you see, if we define the APIs and
>> ABIs now
>
On Tue, Feb 21, 2017 at 10:11 AM, David Miller wrote:
> From: Tom Herbert
> Date: Tue, 21 Feb 2017 09:40:17 -0800
>
>> I'd be more supportive of this line of thinking if we (e.g. FB) didn't
>> have to spend the majority time over the past few months trying to
>> deal with all the complexity being
From: Tom Herbert
Date: Tue, 21 Feb 2017 09:40:17 -0800
> I'd be more supportive of this line of thinking if we (e.g. FB) didn't
> have to spend the majority time over the past few months trying to
> deal with all the complexity being thrown into drivers for all these
> new features such as XDP.
On Tue, Feb 21, 2017 at 8:46 AM, David Miller wrote:
> From: Tom Herbert
> Date: Tue, 21 Feb 2017 08:35:41 -0800
>
>> We already have good APIs for similar datapath functionality (GRO,
>> GSO, xmit_more, etc.), and I don't see why XDP is so special that we
>> can't come up with a reasonable API f
From: Tom Herbert
Date: Tue, 21 Feb 2017 08:35:41 -0800
> We already have good APIs for similar datapath functionality (GRO,
> GSO, xmit_more, etc.), and I don't see why XDP is so special that we
> can't come up with a reasonable API for batching and implement it.
What you are missing is that it
On Mon, Feb 20, 2017 at 2:57 PM, Saeed Mahameed wrote:
>
>
> On 02/20/2017 10:09 PM, Alexander Duyck wrote:
>> On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
>> wrote:
>>>
>>> First thing to bring in order for the XDP project:
>>>
>>> RX batching is missing.
>>>
>>> I don't want to dis
On Mon, Feb 20, 2017 at 3:39 PM, Jesper Dangaard Brouer
wrote:
> On Mon, 20 Feb 2017 12:09:30 -0800
> Alexander Duyck wrote:
>
>> On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
>> wrote:
>> >
>> > First thing to bring in order for the XDP project:
>> >
>> > RX batching is missing.
>>
On Mon, Feb 20, 2017 at 2:57 PM, Saeed Mahameed wrote:
>
>
> On 02/20/2017 10:09 PM, Alexander Duyck wrote:
>> On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
>> wrote:
>>>
>>> First thing to bring in order for the XDP project:
>>>
>>> RX batching is missing.
>>>
>>> I don't want to dis
On Mon, 20 Feb 2017 12:09:30 -0800
Alexander Duyck wrote:
> On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
> wrote:
> >
> > First thing to bring in order for the XDP project:
> >
> > RX batching is missing.
> >
> > I don't want to discuss packet page-sizes or multi-port forwarding,
>
On 02/20/2017 10:09 PM, Alexander Duyck wrote:
> On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
> wrote:
>>
>> First thing to bring in order for the XDP project:
>>
>> RX batching is missing.
>>
>> I don't want to discuss packet page-sizes or multi-port forwarding,
>> before we have e
On Mon, Feb 20, 2017 at 2:13 AM, Jesper Dangaard Brouer
wrote:
>
> First thing to bring in order for the XDP project:
>
> RX batching is missing.
>
> I don't want to discuss packet page-sizes or multi-port forwarding,
> before we have established the most fundamental principal that all
> other s
First thing to bring in order for the XDP project:
RX batching is missing.
I don't want to discuss packet page-sizes or multi-port forwarding,
before we have established the most fundamental principal that all
other solution use; RX batching.
Without building in RX batching, from the beginnin
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