Re: [ovs-dev] [PATCH 1/1] netdev-offload-dpdk: Support vxlan encap offload with load actions

2020-10-15 Thread Eli Britstein
On 10/16/2020 3:02 AM, Ilya Maximets wrote: External email: Use caution opening links or attachments On 10/12/20 5:25 PM, Sriharsha Basavapatna via dev wrote: On Mon, Oct 12, 2020 at 4:48 PM Eli Britstein wrote: On 10/12/2020 10:20 AM, Sriharsha Basavapatna wrote: On Sun, Sep 6, 2020 at

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Re: [ovs-dev] [PATCH 1/1] netdev-offload-dpdk: Support vxlan encap offload with load actions

2020-10-15 Thread Ilya Maximets
On 10/12/20 5:25 PM, Sriharsha Basavapatna via dev wrote: > On Mon, Oct 12, 2020 at 4:48 PM Eli Britstein wrote: >> >> >> On 10/12/2020 10:20 AM, Sriharsha Basavapatna wrote: >>> On Sun, Sep 6, 2020 at 5:51 PM Eli Britstein wrote: ping On 7/30/2020 1:58 PM, Eli Britstein wrote:

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Re: [ovs-dev] [PATCH ovn v2 2/3] actions: Add new OVN logical fields 'ip.src' and ip.dst'.

2020-10-15 Thread Mark Michelson
On 10/14/20 8:38 AM, Numan Siddique wrote: On Wed, Oct 14, 2020 at 5:51 PM Dumitru Ceara wrote: On 10/14/20 2:13 PM, Numan Siddique wrote: On Wed, Oct 14, 2020 at 5:34 PM Dumitru Ceara wrote: On 10/14/20 1:54 PM, Numan Siddique wrote: On Wed, Oct 14, 2020 at 4:40 PM Dumitru Ceara wrote:

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Re: [ovs-dev] [PATCH ovn v7] ofctrl.c: Add a predictable resolution for conflicting flow actions.

2020-10-15 Thread Dumitru Ceara
On 10/15/20 8:05 PM, Han Zhou wrote: >> >> Acked-by: Mark Gray mailto:mark.d.g...@redhat.com>> >> > > Thanks Dumitru and Mark. I applied this to master with the small typo > mentioned > by Mark fixed. > Thanks Han and Mark for the reviews! ___ dev

Re: [ovs-dev] [PATCH ovn v7] ofctrl.c: Add a predictable resolution for conflicting flow actions.

2020-10-15 Thread Han Zhou
On Thu, Oct 15, 2020 at 10:32 AM Mark Gray wrote: > > On 15/10/2020 10:12, Dumitru Ceara wrote: > > Until now, in case the ACL configuration generates openflows that have > > the same match but different actions, ovn-controller was using the > > following approach: > > 1. If the flow being added

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2020-10-15 Thread mmichels
Here is the IRC log for the OVN meeting for 15 October, 2020 http://eavesdrop.openstack.org/meetings//ovn_community_development_discussion/2020/ovn_community_development_discussion.2020-10-15-17.21.log.html If you are interested in attending this meeting, it happens every Thursday in the

Re: [ovs-dev] [PATCH ovn v7] ofctrl.c: Add a predictable resolution for conflicting flow actions.

2020-10-15 Thread Mark Gray
On 15/10/2020 10:12, Dumitru Ceara wrote: > Until now, in case the ACL configuration generates openflows that have > the same match but different actions, ovn-controller was using the > following approach: > 1. If the flow being added contains conjunctive actions, merge its >actions with the

[ovs-dev] [PATCH net v3] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Eelco Chaudron
The flow_lookup() function uses per CPU variables, which must be called with BH disabled. However, this is fine in the general NAPI use case where the local BH is disabled. But, it's also called from the netlink context. The below patch makes sure that even in the netlink path, the BH is disabled.

Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Eelco Chaudron
On 15 Oct 2020, at 14:34, Sebastian Andrzej Siewior wrote: On 2020-10-15 11:46:53 [+0200], Eelco Chaudron wrote: The flow_lookup() function uses per CPU variables, which must not be preempted. However, this is fine in the general napi use case where the local BH is disabled. But, it's also

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Re: [ovs-dev] [PATCH 3/3] tunnel: Set ECN mask bits only when it is matched in the IP header

2020-10-15 Thread Finn, Emma
> -Original Message- > From: dev On Behalf Of Sriharsha > Basavapatna via dev > Sent: Friday 10 July 2020 13:07 > To: d...@openvswitch.org > Subject: [ovs-dev] [PATCH 3/3] tunnel: Set ECN mask bits only when it is > matched in the IP header > > IP_ECN_MASK is set unconditionally in

Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Eelco Chaudron
On 15 Oct 2020, at 13:22, Ilya Maximets wrote: On 10/15/20 1:04 PM, Ilya Maximets wrote: On 10/15/20 12:54 PM, Eelco Chaudron wrote: On 15 Oct 2020, at 12:27, Ilya Maximets wrote: On 10/15/20 11:46 AM, Eelco Chaudron wrote: The flow_lookup() function uses per CPU variables, which must

Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Sebastian Andrzej Siewior
On 2020-10-15 11:46:53 [+0200], Eelco Chaudron wrote: > The flow_lookup() function uses per CPU variables, which must not be > preempted. However, this is fine in the general napi use case where > the local BH is disabled. But, it's also called in the netlink > context, which is preemptible. The

Re: [ovs-dev] [PATCH 1/1] netdev-offload-dpdk: Support vxlan encap offload with load actions

2020-10-15 Thread Finn, Emma
> -Original Message- > From: dev On Behalf Of Eli Britstein > Sent: Monday 12 October 2020 12:18 > To: Sriharsha Basavapatna > Cc: ovs dev ; Lei Wang (Mellanox SW) > ; Ilya Maximets > Subject: Re: [ovs-dev] [PATCH 1/1] netdev-offload-dpdk: Support vxlan encap > offload with load

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Re: [ovs-dev] [PATCH V2 1/1] netdev-offload-dpdk: Preserve HW statistics for modified flows

2020-10-15 Thread Finn, Emma
> -Original Message- > From: dev On Behalf Of Sriharsha > Basavapatna via dev > Sent: Wednesday 14 October 2020 12:17 > To: Eli Britstein > Cc: ovs dev ; Gaetan Rivet ; Ilya > Maximets > Subject: Re: [ovs-dev] [PATCH V2 1/1] netdev-offload-dpdk: Preserve HW > statistics for modified

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Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Ilya Maximets
On 10/15/20 1:04 PM, Ilya Maximets wrote: > On 10/15/20 12:54 PM, Eelco Chaudron wrote: >> >> >> On 15 Oct 2020, at 12:27, Ilya Maximets wrote: >> >>> On 10/15/20 11:46 AM, Eelco Chaudron wrote: The flow_lookup() function uses per CPU variables, which must not be preempted. However, this

Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Ilya Maximets
On 10/15/20 12:54 PM, Eelco Chaudron wrote: > > > On 15 Oct 2020, at 12:27, Ilya Maximets wrote: > >> On 10/15/20 11:46 AM, Eelco Chaudron wrote: >>> The flow_lookup() function uses per CPU variables, which must not be >>> preempted. However, this is fine in the general napi use case where >>>

Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Eelco Chaudron
On 15 Oct 2020, at 12:27, Ilya Maximets wrote: On 10/15/20 11:46 AM, Eelco Chaudron wrote: The flow_lookup() function uses per CPU variables, which must not be preempted. However, this is fine in the general napi use case where the local BH is disabled. But, it's also called in the netlink

Re: [ovs-dev] [PATCH ovs v4] dpctl-netdev: Add the option 'pmd' for dump-flows

2020-10-15 Thread Gaëtan Rivet
On 15/10/20 11:33 +0800, xiangxia.m@gmail.com wrote: > From: Tonghao Zhang > > "ovs-appctl dpctl/dump-flows" added the option > "pmd" which allow user to dump pmd specified. > > That option is useful to dump rules of pmd > when we have a large number of rules in dp. > > Signed-off-by:

Re: [ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Ilya Maximets
On 10/15/20 11:46 AM, Eelco Chaudron wrote: > The flow_lookup() function uses per CPU variables, which must not be > preempted. However, this is fine in the general napi use case where > the local BH is disabled. But, it's also called in the netlink > context, which is preemptible. The below patch

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[ovs-dev] [PATCH net v2] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Eelco Chaudron
The flow_lookup() function uses per CPU variables, which must not be preempted. However, this is fine in the general napi use case where the local BH is disabled. But, it's also called in the netlink context, which is preemptible. The below patch makes sure that even in the netlink path,

[ovs-dev] [PATCH ovn v7] ofctrl.c: Add a predictable resolution for conflicting flow actions.

2020-10-15 Thread Dumitru Ceara
Until now, in case the ACL configuration generates openflows that have the same match but different actions, ovn-controller was using the following approach: 1. If the flow being added contains conjunctive actions, merge its actions with the already existing flow. 2. Otherwise, if the flow is

Re: [ovs-dev] [PATCH net-next] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Sebastian Andrzej Siewior
On 2020-10-15 10:11:31 [+0200], Eelco Chaudron wrote: > Thanks for your reply! Yes I had it replaced with local_bh_disable() in my > v2, as I noticed the hard IRQ to softirq part earlier. Okay. Resend the complete thing once you ready and I take a look. > Thanks, > > Eelco Sebastian

Re: [ovs-dev] [PATCH net-next] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Eelco Chaudron
On 15 Oct 2020, at 9:55, Sebastian Andrzej Siewior wrote: On 2020-10-14 12:44:23 [+0200], Eelco Chaudron wrote: Let me know your thoughts. better. If your seccount is per-CPU then you get away without explicit writer locking if you rely on global per-CPU locking. You can't do

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Re: [ovs-dev] [PATCH net-next] net: openvswitch: fix to make sure flow_lookup() is not preempted

2020-10-15 Thread Sebastian Andrzej Siewior
On 2020-10-14 12:44:23 [+0200], Eelco Chaudron wrote: > Let me know your thoughts. better. If your seccount is per-CPU then you get away without explicit writer locking if you rely on global per-CPU locking. You can't do preempt_disable() because this section can be interrupt by softirq. You need

Re: [ovs-dev] [PATCH ovn v6] ofctrl.c: Add a predictable resolution for conflicting flow actions.

2020-10-15 Thread Dumitru Ceara
On 10/14/20 10:07 PM, Mark Gray wrote: > On 13/10/2020 19:06, Han Zhou wrote: >> On Tue, Oct 13, 2020 at 1:52 AM Dumitru Ceara wrote: >>> >>> Until now, in case the ACL configuration generates openflows that have >>> the same match but different actions, ovn-controller was using the >>> following

Re: [ovs-dev] [PATCH ovn v6] ofctrl.c: Add a predictable resolution for conflicting flow actions.

2020-10-15 Thread Dumitru Ceara
On 10/14/20 6:11 PM, Han Zhou wrote: > > > On Wed, Oct 14, 2020 at 12:21 AM Dumitru Ceara > wrote: >> >> On 10/13/20 8:06 PM, Han Zhou wrote: >> > >> > >> > On Tue, Oct 13, 2020 at 1:52 AM Dumitru Ceara >> >