Re: adding if_dev member to struct ifnet
From: Vincent Jardin (vjardin_at_wanadoo.fr)
Date: 09/30/03
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To: Brooks Davis <brooks@one-eyed-alien.net>, arch@freebsd.org, net@freebsd.org Date: Tue, 30 Sep 2003 10:45:15 +0200
Le Mardi 30 Septembre 2003 03:03, Brooks Davis a écrit :
> [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 NULL
> 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
sounds a good idea to have the if_dev field into the ifnet structure.
Regards,
Vincent
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- Previous message: M. Warner Losh: "Re: finishing the if.h/if_var.h split"
- In reply to: Brooks Davis: "adding if_dev member to struct ifnet"
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