Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 20 Nov 2013 09:32:00 +0530
From:      Dheeraj Kandula <dkandula@gmail.com>
To:        Gleb Smirnoff <glebius@freebsd.org>
Cc:        luigi@freebsd.org, Marcel Moolenaar <marcel@freebsd.org>, Steve Kiernan <stevek@juniper.net>, freebsd-net@freebsd.org, zec@freebsd.org, Marcel Moolenaar <marcel@xcllnt.net>
Subject:   Re: [JNPR] Network stack as a module (RFC)
Message-ID:  <CA%2BqNgxQPFLrCTAnChDinmZaxi24-Jt1qP51JBhMdViAtXSa3ig@mail.gmail.com>
In-Reply-To: <20131119114531.GF7577@glebius.int.ru>
References:  <CC6EF6B2.1917A%anshukla@juniper.net> <f1d8693fa83965f0d4a485a2db7e603b@novexsolutions.com> <50F868FF.5060506@networx.ch> <20131115165210.23f82578@stevek-ubuntu> <20131116084919.GF7577@glebius.int.ru> <1DAF9090-08DA-404B-B86B-57E5D124D70D@xcllnt.net> <20131118164149.GV7577@glebius.int.ru> <20131118143508.0253e663@stevek-ubuntu> <20131119114531.GF7577@glebius.int.ru>

next in thread | previous in thread | raw e-mail | index | archive | help
Is there a link explaining about what changes have gone into this huge
Diff. That would help people like me to figure out what is being addressed
in the diff. I get the point that the whole network stack will be a
loadable module now. Isn't it?


On Tue, Nov 19, 2013 at 5:15 PM, Gleb Smirnoff <glebius@freebsd.org> wrote:

>   Steve,
>
> On Mon, Nov 18, 2013 at 02:35:08PM -0500, Steve Kiernan wrote:
> S> > Have you measured the performance impact on the loadable stack? I
> S> > suppose many functions, that are now called directly, with loadable
> S> > stack will be called via functon pointers.
> S>
> S> No, only a small number of functions were needed to be methods in a
> S> netstack kobj in the current implementation that we have. And some of
> S> those may need to change, as they revolve around NFS exports.
> S>
> S> Currently, we have four (4) methods that are needed:
> S> socreate
> S> vfs_export
> S> vfs_setpublicfs
> S> vfs_stdcheckexp
> S>
> S> When one is not dealing with NFS exports, only the socreate method is
> S> of interest. It is called just before mac_socket_create() would be
> S> called in socreate().
>
> Sounds okay. Thank you.
>
> S> See http://people.freebsd.org/~marcel/Juniper/netstack-v2.diff, which
> S> is the full patch set that had been previously sent out. Some things
> S> have changed a bit since then, but if you look for curnetstack usage
> S> in the patch, you should be able to see the places where netsack
> S> methods are called.
>
> The patch is quite huge to understand it as a whole. :)
>
> --
> Totus tuus, Glebius.
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CA%2BqNgxQPFLrCTAnChDinmZaxi24-Jt1qP51JBhMdViAtXSa3ig>