From: "Rémi Denis-Courmont" <remi.denis-courmont@nokia.com>
To: ext Jan Engelhardt <jengelh@medozas.de>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH 1/2] net: implement a SO_PROTOCOL getsockoption
Date: Wed, 5 Aug 2009 12:28:49 +0300 [thread overview]
Message-ID: <200908051228.50082.remi.denis-courmont@nokia.com> (raw)
In-Reply-To: <alpine.LSU.2.00.0908051042180.28374@fbirervta.pbzchgretzou.qr>
On Wednesday 05 August 2009 11:45:29 ext Jan Engelhardt wrote:
> On Wednesday 2009-08-05 08:35, Rémi Denis-Courmont wrote:
> >On Tuesday 04 August 2009 20:28:28 ext Jan Engelhardt wrote:
> >> Similar to SO_TYPE returning the socket type, SO_PROTOCOL allows to
> >> retrieve the protocol used with a given socket.
> >
> >You can easily infer the protocol family from the address family from
> >getsockname().
>
> As far as I remember, what you can get from getsockname is the
> domain type (AF_*/PF_*) through struct sockaddr->sa_family.
> Did you mean that?
Yes. It's almost like SO_DOMAIN but more portable and uglier.
> Though SO_PROTOCOL and SO_DOMAIN go nicely along with SO_TYPE.
--
Rémi Denis-Courmont
Nokia Devices R&D, Maemo Software, Helsinki
next prev parent reply other threads:[~2009-08-05 9:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-04 17:28 [PATCH 1/2] net: implement a SO_PROTOCOL getsockoption Jan Engelhardt
2009-08-04 17:28 ` [PATCH 2/2] net: implement a SO_DOMAIN getsockoption Jan Engelhardt
2009-08-05 20:04 ` David Miller
2009-08-05 6:35 ` [PATCH 1/2] net: implement a SO_PROTOCOL getsockoption Rémi Denis-Courmont
2009-08-05 8:45 ` Jan Engelhardt
2009-08-05 9:28 ` Rémi Denis-Courmont [this message]
2009-08-05 20:04 ` David Miller
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