netdev - Re: [PATCH 4/6] net: add NL802154 interface for configuration of 802.15.4 devices

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Message-ID: <20090603125507.GA22673@build.ossfans.org>
Date:	Wed, 3 Jun 2009 16:55:07 +0400
From:	Sergey Lapin <slapin@...fans.org>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org, sfr@...b.auug.org.au
Subject: Re: [PATCH 4/6] net: add NL802154 interface for configuration of
	802.15.4 devices

> > +#define IEEE802154_ATTR_MAX (__IEEE802154_ATTR_MAX - 1)
> > +#define NLA_HW_ADDR	NLA_U64
> > +#define NLA_GET_HW_ADDR(attr, addr) do { u64 _temp = nla_get_u64(attr); memcpy(addr, &_temp, 8); } while (0)
> > +#define NLA_PUT_HW_ADDR(msg, attr, addr) do { u64 _temp; memcpy(&_temp, addr, 8); NLA_PUT_U64(msg, attr, _temp); } while (0)

What would you propose here? adding prefix will add length to macro,
IEEE802154_NL_PUT_HW_ADDR is damn long name. Using repeated code
sequence is not better (it is error-prone and unreadable).

Any ideas?

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