netdev - Re: [RFC PATCH net-next 0/4] switchdev: avoid duplicate packet forwarding

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Wed, 17 Jun 2015 06:23:41 -0400
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	Jiri Pirko <jiri@...nulli.us>, Scott Feldman <sfeldma@...il.com>
CC:	David Miller <davem@...emloft.net>,
	Netdev <netdev@...r.kernel.org>,
	"simon.horman@...ronome.com" <simon.horman@...ronome.com>,
	Roopa Prabhu <roopa@...ulusnetworks.com>,
	"Arad, Ronen" <ronen.arad@...el.com>,
	"Fastabend, John R" <john.r.fastabend@...el.com>,
	"andrew@...n.ch" <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	davidch <davidch@...adcom.com>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>
Subject: Re: [RFC PATCH net-next 0/4] switchdev: avoid duplicate packet forwarding

On 06/16/15 17:11, Jiri Pirko wrote:
> Tue, Jun 16, 2015 at 06:47:47PM CEST, sfeldma@...il.com wrote:
>> On Mon, Jun 15, 2015 at 11:04 PM, Jiri Pirko <jiri@...nulli.us> wrote:

>> So what we need is a unique mark for device ports within a fwding
>> group, such as a bridge.
>
> Yep, have a group of netdevs, pick one of them and use it's ifindex for
> the whole group.
>

Have you look at the netdev group attribute?
Typically user space sets the value and then you can perform operations
per group of netdevs. You could argue that the field is for user space
to dictate in some policy therefore may be slightly unsuited
for what you are after maybe?

cheers,
jamal

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html