Subject: Re: restoring sockaddr_dl size; introducing sockaddr_link
To: None <,>
From: Ignatios Souvatzis <>
List: tech-net
Date: 08/23/2007 06:52:13
On Wed, Aug 22, 2007 at 07:04:22PM -0500, David Young wrote:
> I have lengthened sockaddr_dl so that it can accomodate a FireWire
> address.  That doesn't break any user<->kernel ABI, however, a number
> of people have pointed out to me that it 3rd-party programs may rely on
> sockaddr_dl's size remaining the same.  I am going to return sockaddr_dl
> to its historical size, and introduce sockaddr_link for the kernel to use.
> The address family (sa_family) of both sockaddr_dl and sockaddr_link
> remain the same (AF_LINK).  I am also going to introduce macros CSLADDR()
> and SLADDR() whose function is analogous to CLLADDR() and LLADDR().
> I will rename all of the sockaddr_dl_*() routines in the kernel to
> sockaddr_link_*().  Please let me know if this is going to break your
> mother's back, make your cereal soggy, or stop your WiFi from working.

You'll keep ARP working with your change? Good.

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