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From: Ido Schimmel <idosch@mellanox.com>
To: David Ahern <dsahern@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>,
	netdev@vger.kernel.org, davem@davemloft.net, mlxsw@mellanox.com,
	roopa@cumulusnetworks.com, nikolay@cumulusnetworks.com,
	kafai@fb.com, hannes@stressinduktion.org,
	yoshfuji@linux-ipv6.org, edumazet@google.com,
	yanhaishuang@cmss.chinamobile.com
Subject: Re: [patch net-next 16/17] mlxsw: spectrum_router: Abort on source-specific routes
Date: Wed, 19 Jul 2017 19:36:16 +0300	[thread overview]
Message-ID: <20170719163616.GA30613@splinter> (raw)
In-Reply-To: <a730169b-3f48-a232-0053-d2c40b5947e8@gmail.com>

On Wed, Jul 19, 2017 at 10:16:19AM -0600, David Ahern wrote:
> On 7/19/17 1:02 AM, Jiri Pirko wrote:
> > From: Ido Schimmel <idosch@mellanox.com>
> > 
> > Without resorting to ACLs, the device performs route lookup solely based
> > on the destination IP address.
> > 
> > In case source-specific routing is needed, an error is returned and the
> > abort mechanism is activated, thus allowing the kernel to take over
> > forwarding decisions.
> > 
> > Instead of aborting, we can trap specific destination prefixes where
> > source-specific routes are present, but this will result in a lot more
> > code that is unlikely to ever be used.
> 
> Do you have a document summarizing these for users?

As you know, we've a Wiki we maintain for the features covered by mlxsw.
Once these patches are applied to net-next I intend to extend it with
IPv6 documentation and mention the above there.

I did a similar thing with inter-VRF routes:
https://github.com/Mellanox/mlxsw/wiki/Virtual-Routing-and-Forwarding-(VRF)#inter-vrf-routing

  reply	other threads:[~2017-07-19 16:36 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-19  7:02 [patch net-next 00/17] mlxsw: Support for IPv6 UC router Jiri Pirko
2017-07-19  7:02 ` [patch net-next 01/17] net: core: Make the FIB notification chain generic Jiri Pirko
2017-07-19 14:11   ` David Ahern
2017-07-19 14:35     ` Ido Schimmel
2017-07-19  7:02 ` [patch net-next 02/17] mlxsw: spectrum_router: Ignore address families other than IPv4 Jiri Pirko
2017-07-19  7:02 ` [patch net-next 03/17] rocker: " Jiri Pirko
2017-07-19  7:02 ` [patch net-next 04/17] net: fib_rules: Implement notification logic in core Jiri Pirko
2017-07-19  7:02 ` [patch net-next 05/17] ipv6: fib_rules: Check if rule is a default rule Jiri Pirko
2017-07-19  7:02 ` [patch net-next 06/17] ipv6: fib: Add FIB notifiers callbacks Jiri Pirko
2017-07-19  7:02 ` [patch net-next 07/17] ipv6: fib: Add in-kernel notifications for route add / delete Jiri Pirko
2017-07-19 15:38   ` David Ahern
2017-07-19 15:53     ` Ido Schimmel
2017-07-19  7:02 ` [patch net-next 08/17] ipv6: fib_rules: Dump rules during registration to FIB chain Jiri Pirko
2017-07-19  7:02 ` [patch net-next 09/17] ipv6: fib: Dump tables " Jiri Pirko
2017-07-19  7:02 ` [patch net-next 10/17] ipv6: fib: Add offload indication to routes Jiri Pirko
2017-07-19 15:27   ` David Ahern
2017-07-19 15:49     ` Ido Schimmel
2017-07-19 15:53       ` David Ahern
2017-07-19 16:19         ` Ido Schimmel
2017-07-19  7:02 ` [patch net-next 11/17] ipv6: fib: Allow non-FIB users to take reference on route Jiri Pirko
2017-07-19 15:49   ` David Ahern
2017-07-19 16:17     ` Ido Schimmel
2017-07-19 16:29       ` David Ahern
2017-07-19  7:02 ` [patch net-next 12/17] mlxsw: spectrum_router: Demultiplex FIB event based on family Jiri Pirko
2017-07-19  7:02 ` [patch net-next 13/17] mlxsw: spectrum_router: Sanitize IPv6 FIB rules Jiri Pirko
2017-07-19  7:02 ` [patch net-next 14/17] mlxsw: spectrum_router: Add support for IPv6 routes addition / deletion Jiri Pirko
2017-07-19 16:14   ` David Ahern
2017-07-19 16:30     ` Ido Schimmel
2017-07-19 16:36       ` David Ahern
2017-07-19 16:43         ` Ido Schimmel
2017-07-19  7:02 ` [patch net-next 15/17] mlxsw: spectrum_router: Add support for route replace Jiri Pirko
2017-07-19  7:02 ` [patch net-next 16/17] mlxsw: spectrum_router: Abort on source-specific routes Jiri Pirko
2017-07-19 16:16   ` David Ahern
2017-07-19 16:36     ` Ido Schimmel [this message]
2017-07-19  7:02 ` [patch net-next 17/17] mlxsw: spectrum_router: Don't ignore IPv6 notifications Jiri Pirko

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