netdev - Re: [RFC PATCH net-next 1/1] ipv6: add support of ECMP

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

Date:	Wed, 12 Sep 2012 17:48:50 +0900
From:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
CC:	bernat@...fy.cx, netdev@...r.kernel.org, davem@...emloft.net,
	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Subject: Re: [RFC PATCH net-next 1/1] ipv6: add support of ECMP

Hello.

Nicolas Dichtel wrote:
> This patch adds the support of equal cost multipath for IPv6.
> 
> The patch is based on a previous work from
> Luc Saillard <luc.saillard@...nd.com>.
> 
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
:
> +config IPV6_MULTIPATH
> +	bool "IPv6: equal cost multipath for IPv6 routing"
> +	depends on IPV6
> +	default y
> +	---help---
> +	  Enable this option to support ECMP for IPv6.
> +	  If unsure, say N.
> +
> +choice
> +	prompt "IPv6: choose Multipath algorithm"
> +	depends on IPV6_MULTIPATH
> +	default IPV6_MULTIPATH_ROUTE
> +	---help---
> +	  Define the method to select route between each possible path.
> +
> +	config IPV6_MULTIPATH_ROUTE
> +	bool "IPv6: MULTIPATH flow algorithm"
> +	---help---
> +	  Multipath routes are chosen according to hash of packet header to
> +	  ensure a flow keeps the same route.
> +
> +	config IPV6_MULTIPATH_RR
> +	bool "IPv6: MULTIPATH round robin algorithm"
> +	---help---
> +	  Multipath routes are chosen according to Round Robin.
> +
> +	config IPV6_MULTIPATH_RANDOM
> +	bool "IPv6: MULTIPATH random algorithm"
> +	---help---
> +	  Multipath routes are chosen in a random fashion.
> +endchoice

We should use hash-based algorithm by default,
according to RFC4311.  See also RFC6438.

Regards,

--yoshfuji
--
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