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From: Vincent Jardin <vjardin@wanadoo.fr>
To: Brooks Davis <brooks@one-eyed-alien.net>, arch@freebsd.org,
	net@freebsd.org
Date: Tue, 30 Sep 2003 10:45:15 +0200
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Subject: Re: adding if_dev member to struct ifnet
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Le Mardi 30 Septembre 2003 03:03, Brooks Davis a =E9crit :
> [Previously posted to -net in another form.]
>
> I propose to add an if_dev member to struct ifnet.  It would be of type
> device_t and be defined to point to the device for the interface or NUL=
L
> if there is no device (or if there was not an easy way to get access to
> one).
>
> This change would codify the the relationship between an interface and
> the underlying physical device.  It also would get rid of the existing
> abuses of if_name to look up the driver associated with an interface
> and simplify a number of messy cases in the conversion from if_unit and
> if_name to if_xname.
>
> Does this seem like a reasonable thing to do?

Yes, if it helps to remove if_name/if_unit, it is a thing to do. Moreover=
 it=20
sounds a good idea to have the if_dev field into the ifnet structure.

Regards,
  Vincent