Hi all,
This patchset is for xdp multicast support, which has been discussed
before[0]. The goal is to be able to implement an OVS-like data plane in
XDP, i.e., a software switch that can forward XDP frames to multiple
ports.
To achieve this, an application needs to specify a group of interfaces
On Wed, 27 May 2020 17:04:50 +0200
Toke Høiland-Jørgensen wrote:
> Hangbin Liu writes:
>
> > On Wed, May 27, 2020 at 12:21:54PM +0200, Toke Høiland-Jørgensen
> > wrote:
> >> > The example in patch 2 is functional, but not a lot of effort
> >> > has been made on performance optimisation
On Tue, Jun 16, 2020 at 11:09:22AM +0200, Jesper Dangaard Brouer wrote:
> > > BTW, when using pktgen, I got an panic because the skb don't have enough
> > > header room. The code path looks like
> > >
> > > do_xdp_generic()
> > > - netif_receive_generic_xdp()
> > > - skb_headroom(skb) < XDP_P
Hangbin Liu writes:
> Hi all,
>
> This patchset is for xdp multicast support, which has been discussed
> before[0]. The goal is to be able to implement an OVS-like data plane in
> XDP, i.e., a software switch that can forward XDP frames to multiple
> ports.
>
> To achieve this, an application nee
On 27 May 2020, at 12:21, Toke Høiland-Jørgensen wrote:
Hangbin Liu writes:
Hi all,
This patchset is for xdp multicast support, which has been discussed
before[0]. The goal is to be able to implement an OVS-like data plane
in
XDP, i.e., a software switch that can forward XDP frames to m
On Wed, May 27, 2020 at 12:21:54PM +0200, Toke Høiland-Jørgensen wrote:
> > The example in patch 2 is functional, but not a lot of effort
> > has been made on performance optimisation. I did a simple test(pkt size 64)
> > with pktgen. Here is the test result with BPF_MAP_TYPE_DEVMAP_HASH
> > arrays
Hangbin Liu writes:
> On Wed, May 27, 2020 at 12:21:54PM +0200, Toke Høiland-Jørgensen wrote:
>> > The example in patch 2 is functional, but not a lot of effort
>> > has been made on performance optimisation. I did a simple test(pkt size 64)
>> > with pktgen. Here is the test result with BP
On Wed, May 27, 2020 at 12:21:54PM +0200, Toke Høiland-Jørgensen wrote:
> > The example in patch 2 is functional, but not a lot of effort
> > has been made on performance optimisation. I did a simple test(pkt size 64)
> > with pktgen. Here is the test result with BPF_MAP_TYPE_DEVMAP_HASH
> > arrays
Hangbin Liu writes:
> On Wed, May 27, 2020 at 12:21:54PM +0200, Toke Høiland-Jørgensen wrote:
>> > The example in patch 2 is functional, but not a lot of effort
>> > has been made on performance optimisation. I did a simple test(pkt size 64)
>> > with pktgen. Here is the test result with BP
On Wed, Jun 03, 2020 at 01:05:28PM +0200, Toke Høiland-Jørgensen wrote:
> > Hi Toke,
> >
> > Here is the result I tested with 2 i40e 10G ports on physical machine.
> > The pktgen pkt_size is 64.
>
> These numbers seem a bit low (I'm getting ~8.5MPPS on my test machine
> for a simple redirect). Som
Hangbin Liu writes:
> On Wed, Jun 03, 2020 at 01:05:28PM +0200, Toke Høiland-Jørgensen wrote:
>> > Hi Toke,
>> >
>> > Here is the result I tested with 2 i40e 10G ports on physical machine.
>> > The pktgen pkt_size is 64.
>>
>> These numbers seem a bit low (I'm getting ~8.5MPPS on my test m
On Thu, Jun 04, 2020 at 11:44:24AM +0200, Toke Høiland-Jørgensen wrote:
> Hangbin Liu writes:
> > Here is the test topology, which looks like
> >
> > Host A| Host B|Host C
> > eth0 +eth0 - eth1+eth0
> >
> > I did pktgen sending on Host A, forwarding o
Hangbin Liu writes:
> On Thu, Jun 04, 2020 at 11:44:24AM +0200, Toke Høiland-Jørgensen wrote:
>> Hangbin Liu writes:
>> > Here is the test topology, which looks like
>> >
>> > Host A| Host B|Host C
>> > eth0 +eth0 - eth1+eth0
>> >
>> > I did p
On Thu, Jun 04, 2020 at 02:37:23PM +0200, Toke Høiland-Jørgensen wrote:
> > Now I use the ethtool_stats.pl to count forwarding speed and here is the
> > result:
> >
> > With kernel 5.7(ingress i40e, egress i40e)
> > XDP:
> > bridge: 1.8M PPS
> > xdp_redirect_map:
> > generic mode: 1.9M PPS
> >
Hangbin Liu writes:
> On Thu, Jun 04, 2020 at 02:37:23PM +0200, Toke Høiland-Jørgensen wrote:
>> > Now I use the ethtool_stats.pl to count forwarding speed and here is the
>> > result:
>> >
>> > With kernel 5.7(ingress i40e, egress i40e)
>> > XDP:
>> > bridge: 1.8M PPS
>> > xdp_redirect_ma
On Thu, Jun 04, 2020 at 06:02:54PM +0200, Toke Høiland-Jørgensen wrote:
> Hangbin Liu writes:
>
> > On Thu, Jun 04, 2020 at 02:37:23PM +0200, Toke Høiland-Jørgensen
> > wrote:
> >> > Now I use the ethtool_stats.pl to count forwarding speed and here is the
> >> > result:
> >> >
> >> > With
Hangbin Liu writes:
> On Thu, Jun 04, 2020 at 06:02:54PM +0200, Toke Høiland-Jørgensen wrote:
>> Hangbin Liu writes:
>>
>> > On Thu, Jun 04, 2020 at 02:37:23PM +0200, Toke Høiland-Jørgensen
>> > wrote:
>> >> > Now I use the ethtool_stats.pl to count forwarding speed and here is
>> >> >
On Mon, Jun 08, 2020 at 05:32:54PM +0200, Toke Høiland-Jørgensen wrote:
> Hangbin Liu writes:
>
> > On Thu, Jun 04, 2020 at 06:02:54PM +0200, Toke Høiland-Jørgensen wrote:
> >> Hangbin Liu writes:
> >>
> >> > On Thu, Jun 04, 2020 at 02:37:23PM +0200, Toke Høiland-Jørgensen
> >> > wrote:
Hangbin Liu writes:
> On Mon, Jun 08, 2020 at 05:32:54PM +0200, Toke Høiland-Jørgensen wrote:
>> Hangbin Liu writes:
>>
>> > On Thu, Jun 04, 2020 at 06:02:54PM +0200, Toke Høiland-Jørgensen wrote:
>> >> Hangbin Liu writes:
>> >>
>> >> > On Thu, Jun 04, 2020 at 02:37:23PM +0200, Toke Høilan
On Tue, Jun 09, 2020 at 10:31:19PM +0200, Toke Høiland-Jørgensen wrote:
> > Oh, sorry for the typo, the numbers make me crazy, it should be only
> > ingress i40e, egress veth. Here is the right description:
> >
> > Kernel 5.7 + my patch(ingress i40e, egress i40e)
> > xdp_redirect_map:
> > generic
On Wed, 10 Jun 2020 10:35:08 +0800
Hangbin Liu wrote:
> On Tue, Jun 09, 2020 at 10:31:19PM +0200, Toke Høiland-Jørgensen wrote:
> > > Oh, sorry for the typo, the numbers make me crazy, it should be only
> > > ingress i40e, egress veth. Here is the right description:
> > >
> > > Kernel 5.7 + my
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