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Date: Tue, 4 Jun 2013 09:18:17 +0200
From: Antonio Quartulli <ordex@autistici.org>
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Subject: Re: [B.A.T.M.A.N.] [PATCHv3 12/12] batman-adv: make the TT CRC
 logic VLAN specific
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On Mon, May 27, 2013 at 09:43:12PM +0200, Antonio Quartulli wrote:
> From: Antonio Quartulli <antonio@open-mesh.com>
>=20
> Nodes may need to handle the TT table on a per-VLAN basis,
> meaning that a node may want to filter a received table and
> get only entries belonging to certain VLANs.
>=20
> When doing so, such node would re-create only a partial
> global table and would not be able to compute a correct CRC
> anymore.
>=20
> This patch splits the logic and introduces one CRC per VLAN.
> In this way a node fetching only some entries belonging to
> some VLANs is still able to compute the specific CRCs and
> check table correctness.
>=20
> With this patch the shape of the TVLV-TT is changed too
> because now a node needs to advertise all the CRCs of all
> the VLANs that it is wired to.
>=20
> To make the code simpler, also the normal LAN (bat0) is now
> considered to be a VLAN having no tag.
>=20
> Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>

For the next round I separated this patch in two:

1) introduces the VLAN generalisation
2) introduces the per-VLAN crc logic.


Cheers,

--=20
Antonio Quartulli

=2E.each of us alone is worth nothing..
Ernesto "Che" Guevara

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