Re: [PATCH] netfilter: IDLETIMER target v1 - match Android layout

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On Tue, Mar 31, 2020 at 02:21:00PM -0700, Maciej Żenczykowski wrote:
> Right, this is not in 5.6 as it's only in net-next atm as it was only
> merged very recently.
> I mentioned this in the commit message.
> 
> I'm not sure what you mean by code that uses this.
> You can checkout aosp source and look there...
> There's the kernel code (that's effectively already linked from the
> commit message), and the iptables userspace changes (
> https://android.googlesource.com/platform/external/iptables/+/refs/heads/master/extensions/libxt_IDLETIMER.c#39

OK, so this is field ised set in userspace.

> ), and the netd C++/Java layer that uses iptables -j IDLETIMER
> --send_nl_msg 1 (
> https://android.googlesource.com/platform/system/netd/+/refs/heads/master/server/IdletimerController.cpp#151
> ) and the resulting notifications parsing (can't easily find it atm).
> 
> If you mean by code that uses this patch... that's impossible as this
> patch doesn't implement a usable feature.
> It just moves the offset.
> 
> Could you clarify what you're asking for?

Maybe I'm misunderstanding. How is this field used in aosp?

I mean, if --send_nl_msg 1 is passed, how does the existing behaviour
changes?



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