Date: Sat, 19 Aug 2006 17:51:33 +0400 From: Ruslan Ermilov <ru@freebsd.org> To: Rajkumar S <rajkumars@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: ng_ip_input ? Message-ID: <20060819135133.GC9271@rambler-co.ru> In-Reply-To: <64de5c8b0608190635q1fe2c0c5oe5d258748c1c5c95@mail.gmail.com> References: <64de5c8b0608190514l1c2241edj57b114997e01a8b2@mail.gmail.com> <20060819125550.GA8879@rambler-co.ru> <64de5c8b0608190635q1fe2c0c5oe5d258748c1c5c95@mail.gmail.com>
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--mvpLiMfbWzRoNl4x Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Aug 19, 2006 at 07:05:49PM +0530, Rajkumar S wrote: > On 8/19/06, Ruslan Ermilov <ru@freebsd.org> wrote: > >On Sat, Aug 19, 2006 at 05:44:39PM +0530, Rajkumar S wrote: > >> The man page states > >> > >> DESCRIPTION > >> The ip_input node type takes all received packets and queues them= =20 > >into > >> the IP in input processing subsystem. >=20 > >It does this simple thing: > > > >> netisr_dispatch(NETISR_IP, m); > > > >which means putting the mbuf pointed to by "m" into the IP > >input queue and scheduling a call to ip_input(). >=20 > Thanks a lot for your answer. >=20 > So this is used to inject packets into the ip stack? > Yes. > also, normally > packets received from ethernet is passed into the same point, right? >=20 Normally, yes. By sys/net/if_ethersubr.c::ether_demux(). > Any points to docs to read about a packet's traversal in FreeBSD ip > stack? (especially wrt pf) >=20 What level of detalization do you need? Filters, such as pf(4), are embedded into the normal processing using the pfil(9) API. Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --mvpLiMfbWzRoNl4x Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFE5xdlqRfpzJluFF4RAjq+AJ0WSk4NpfUbT94fIjMTY585veHrRwCfS4rH koSN68ytc1h4EaynmyA8H3M= =1dSx -----END PGP SIGNATURE----- --mvpLiMfbWzRoNl4x--
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