Date: Tue, 04 Nov 2008 11:00:56 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: jdp@elvis.rowan.edu Cc: freebsd-drivers@freebsd.org Subject: Re: Basic Driver Development Questions. Message-ID: <20081104.110056.-1350515023.imp@bsdimp.com> In-Reply-To: <Pine.GSO.4.64.0811041213490.16185@elvis.rowan.edu> References: <20081104155035.GS60438@elvis.mu.org> <19FD5239-C9C8-4F2A-A320-D58F8002CE42@gmail.com> <Pine.GSO.4.64.0811041213490.16185@elvis.rowan.edu>
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In message: <Pine.GSO.4.64.0811041213490.16185@elvis.rowan.edu>
Joe Pellegrino <jdp@elvis.rowan.edu> writes:
: i was just going to post those myself. Funny thing is, according to the
: article, this has been available since the 2.2 kernel version but it isn't
: in the device driver development book (oreilly) In any case I am looking
: for a similar component for FreeBSD. And if there isn't a precise match
: what would the closest way be to get that functionality?
Can you post a pointer to the article?
Warner
: ---jdp
:
: On Tue, 4 Nov 2008, Nikolay Denev wrote:
:
: > -----BEGIN PGP SIGNED MESSAGE-----
: > Hash: SHA1
: >
: >
: > On 4 Nov, 2008, at 17:50 , Alfred Perlstein wrote:
: >
: >> * Joe Pellegrino <jdp@elvis.rowan.edu> [081103 16:30] wrote:
: >>> I am trying to develop a small kernel module and I wanted to ask some
: >>> questions about implementation. First, there is a component of Linux,
: >>> called netlink, which permits IPC communication between a userspace app
: >>> and kernel module using sockets. Is there a FreeBSD equivalent? I know you
: >>> can do this with IOCTL and perhaps through proc but I would prefer using a
: >>> technique similar to netlink.
: >>>
: >>> Toward that I am looking at netgraph (ng_socket) but have run into some
: >>> trouble mostly related to inexperience with netgraph. So basically:
: >>>
: >>> 1. Is there something similar to netlink?
: >>>
: >>> 2. Would that be NetGraph?
: >>>
: >>> 3. If not what is it?
: >>>
: >>> I do have further questions depending on how these are answered. Thanks
: >>> for your help. :)
: >>
: >> Hey Joe, can you give a link to us that explains what "netlink" is
: >> and how to use it? examples and such?
: >>
: >> thank you,
: >> --
: >> - Alfred Perlstein
: >> _______________________________________________
: >> freebsd-drivers@freebsd.org mailing list
: >> http://lists.freebsd.org/mailman/listinfo/freebsd-drivers
: >> To unsubscribe, send any mail to "freebsd-drivers-unsubscribe@freebsd.org"
: >
: >
: > Hi,
: >
: > http://www.ietf.org/rfc/rfc3549.txt
: >
: > http://en.wikipedia.org/wiki/Netlink
: >
: > http://www.linuxjournal.com/article/7356 (this one is a bit dated, but has
: > some examples)
: >
: >
: > - --
: > Regards,
: > Nikolay Denev
: >
: >
: >
: >
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