netdev - Re: [PATCH wpan-next v3 02/11] ieee802154: Internal PAN management

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Date: Fri, 22 Sep 2023 17:18:54 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Stefan Schmidt <stefan@...enfreihafen.org>
Cc: Alexander Aring <alex.aring@...il.com>, linux-wpan@...r.kernel.org,
 "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
 netdev@...r.kernel.org, David Girault <david.girault@...vo.com>, Romuald
 Despres <romuald.despres@...vo.com>, Frederic Blain
 <frederic.blain@...vo.com>, Nicolas Schodet <nico@...fr.eu.org>, Guilhem
 Imberton <guilhem.imberton@...vo.com>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH wpan-next v3 02/11] ieee802154: Internal PAN management

Hi Stefan,

stefan@...enfreihafen.org wrote on Wed, 20 Sep 2023 20:08:56 +0200:

> Hello.
> 
> On 18.09.23 17:08, Miquel Raynal wrote:
> > Introduce structures to describe peer devices in a PAN as well as a few
> > related helpers. We basically care about:
> > - Our unique parent after associating with a coordinator.
> > - Peer devices, children, which successfully associated with us.
> > 
> > Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
> > ---
> >   include/net/cfg802154.h | 46 +++++++++++++++++++++++++
> >   net/ieee802154/Makefile |  2 +-
> >   net/ieee802154/core.c   |  2 ++
> >   net/ieee802154/pan.c    | 75 +++++++++++++++++++++++++++++++++++++++++
> >   4 files changed, 124 insertions(+), 1 deletion(-)
> >   create mode 100644 net/ieee802154/pan.c
> > 
> > diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
> > index f79ce133e51a..6c7193b4873c 100644
> > --- a/include/net/cfg802154.h
> > +++ b/include/net/cfg802154.h

[...]

> > @@ -478,6 +494,11 @@ struct wpan_dev {  
> >   >   	/* fallback for acknowledgment bit setting */  
> >   	bool ackreq;
> > +
> > +	/* Associations */
> > +	struct mutex association_lock;
> > +	struct ieee802154_pan_device *parent;
> > +	struct list_head children;
> >   };  
> >   >   #define to_phy(_dev)	container_of(_dev, struct wpan_phy, dev)  
> > @@ -529,4 +550,29 @@ static inline const char *wpan_phy_name(struct wpan_phy *phy)
> >   void ieee802154_configure_durations(struct wpan_phy *phy,
> >   				    unsigned int page, unsigned int channel);  
> >   > +/**  
> > + * cfg802154_device_is_associated - Checks whether we are associated to any device
> > + * @wpan_dev: the wpan device
> > + */
> > +bool cfg802154_device_is_associated(struct wpan_dev *wpan_dev);  
> 
> The return value still missing in kdoc. Seems you missed this from my last review. :-)

Oops, I marked it done on my side by mistake. Sorry for that mistake.

[...]

> > diff --git a/net/ieee802154/pan.c b/net/ieee802154/pan.c
> > new file mode 100644
> > index 000000000000..012b5e821d54
> > --- /dev/null
> > +++ b/net/ieee802154/pan.c
> > @@ -0,0 +1,75 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * IEEE 802.15.4 PAN management
> > + *
> > + * Copyright (C) 2021 Qorvo US, Inc  
> 
> Feel free to extend the copyright years to 2023 as well.

Right, set to 2023.

Thanks,
Miquèl