Subject: Re: Multicast routing and unnumbered point-to-point interfaces
To: Hitoshi Asaeda <email@example.com>
From: Jason R Thorpe <firstname.lastname@example.org>
Date: 10/06/2000 09:26:59
On Fri, Oct 06, 2000 at 06:07:37PM +0900, Hitoshi Asaeda wrote:
> Why don't you define another vif flag, e.g., VIFF_LOGICAL, instead of
> an obsolete VIFF_TUNNEL?
> gif, gre etc. have each if_type, then you can distinguish the
> interface is physical or logical (virtual) interface.
> If you distinguish the interface's attribute, then you can skip
> routines of unneed check for a logical interface.
I'm not sure I understand. The VIFF_TUNNEL checks were to handle the
special-case of ip_mroute.c doing the encap. "Logical" interfaces such
as gif, gre, etc. can simply be treated as normal network interfaces,
as can e.g. vlan interfaces.
-- Jason R. Thorpe <email@example.com>