netdev - Re: [PATCH wpan-next v2 3/6] ieee802154: Introduce a helper to validate a channel

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Message-ID: <20230103175832.0b2ae9c6@xps-13>
Date:   Tue, 3 Jan 2023 17:58:32 +0100
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 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>,
        "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
Subject: Re: [PATCH wpan-next v2 3/6] ieee802154: Introduce a helper to
 validate a channel

Hi Stefan,

miquel.raynal@...tlin.com wrote on Tue, 3 Jan 2023 15:59:50 +0100:

> Hi Stefan,
> 
> stefan@...enfreihafen.org wrote on Tue, 3 Jan 2023 15:14:46 +0100:
> 
> > Hello Miquel.
> > 
> > On 17.12.22 01:02, Miquel Raynal wrote:  
> > > This helper for now only checks if the page member and channel member
> > > are valid (in the specification range) and supported (by checking the
> > > device capabilities). Soon two new parameters will be introduced and
> > > having this helper will let us only modify its content rather than
> > > modifying the logic everywhere else in the subsystem.
> > > 
> > > There is not functional change.
> > > 
> > > Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
> > > ---
> > >   include/net/cfg802154.h   | 11 +++++++++++
> > >   net/ieee802154/nl802154.c |  3 +--
> > >   2 files changed, 12 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
> > > index 76d4f95e9974..11bedfa96371 100644
> > > --- a/include/net/cfg802154.h
> > > +++ b/include/net/cfg802154.h
> > > @@ -246,6 +246,17 @@ static inline void wpan_phy_net_set(struct wpan_phy *wpan_phy, struct net *net)
> > >   	write_pnet(&wpan_phy->_net, net);
> > >   }    
> > >   > +static inline bool ieee802154_chan_is_valid(struct wpan_phy *phy,    
> > > +                                            u8 page, u8 channel)
> > > +{
> > > +        if (page > IEEE802154_MAX_PAGE ||
> > > +            channel > IEEE802154_MAX_CHANNEL ||
> > > +            !(phy->supported.channels[page] & BIT(channel)))
> > > +                return false;
> > > +
> > > +	return true;
> > > +}
> > > +    
> > 
> > This patch has some indent problems.  
> 
> I will check all the patches of this series and fix what checkpatch.pl
> reports.

I left the warnings in the trace.h headers to keep the visual
consistent. The other warnings should be gone.

Thanks,
Miquèl