Re: [net-next 08/18] net: ieee802154: Add support for internal PAN management

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Hi Jakub,

kuba@xxxxxxxxxx wrote on Tue, 4 Jan 2022 07:01:27 -0800:

> On Tue, 4 Jan 2022 15:41:51 +0100 Miquel Raynal wrote:
> > > On Wed, 22 Dec 2021 16:57:33 +0100 Miquel Raynal wrote:    
> > > > +/* Maximum number of PAN entries to store */
> > > > +static int max_pan_entries = 100;
> > > > +module_param(max_pan_entries, uint, 0644);
> > > > +MODULE_PARM_DESC(max_pan_entries,
> > > > +		 "Maximum number of PANs to discover per scan (default is 100)");
> > > > +
> > > > +static int pan_expiration = 60;
> > > > +module_param(pan_expiration, uint, 0644);
> > > > +MODULE_PARM_DESC(pan_expiration,
> > > > +		 "Expiration of the scan validity in seconds (default is 60s)");      
> > > 
> > > Can these be per-device control knobs? Module params are rarely the
> > > best answer.    
> > 
> > I believe we can do that on a per FFD device basis (for now it will be
> > on a per-device basis, but later when we will have the necessary
> > information we might do something more fine grained). Would a couple of
> > sysfs entries work?  
> 
> Is there no netlink object where this would fit? Sorry, I'm not at all
> familiar with WPAN. If it's orthogonal to current cfg802154 objects
> sysfs is fine, I guess.

Yes it's definitely possible to add a netlink arg for these two
parameters as well.

Thanks,
Miquèl



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