Re: [PATCH net-next v5 2/7] netfilter: flowtable: fixup UDP timeout depending on ct state

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On Sat 28 Jan 2023 at 20:09, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> On Sat, Jan 28, 2023 at 06:03:37PM +0200, Vlad Buslov wrote:
>> 
>> On Sat 28 Jan 2023 at 16:27, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
>> > Hi,
>> >
>> > On Fri, Jan 27, 2023 at 07:38:40PM +0100, Vlad Buslov wrote:
>> >> Currently flow_offload_fixup_ct() function assumes that only replied UDP
>> >> connections can be offloaded and hardcodes UDP_CT_REPLIED timeout value.
>> >> Allow users to modify timeout calculation by implementing new flowtable
>> >> type callback 'timeout' and use the existing algorithm otherwise.
>> >> 
>> >> To enable UDP NEW connection offload in following patches implement
>> >> 'timeout' callback in flowtable_ct of act_ct which extracts the actual
>> >> connections state from ct->status and set the timeout according to it.
>> >
>> > I found a way to fix the netfilter flowtable after your original v3
>> > update.
>> >
>> > Could you use your original patch in v3 for this fixup?
>> 
>> Sure, please send me the fixup.
>
> What I mean is if you could use your original v3 2/7 for this
> conntrack timeout fixup:
>
> https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230119195104.3371966-3-vladbu@xxxxxxxxxx/
>
> I will send a patch for netfilter's flowtable datapath to address the
> original issue I mentioned, so there is no need for this new timeout
> callback.

Got it. Will restore the original version of this patch in v6.




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