netdev - Re: [PATCH RFC net-next 5/7] net/ipv6: Add support for path selection using hash of 5-tuple

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Message-ID: <aff905fd-f99f-3c0b-18db-00899fa1742a@6wind.com>
Date:   Tue, 13 Feb 2018 22:21:09 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     David Ahern <dsahern@...il.com>, netdev@...r.kernel.org
Cc:     roopa@...ulusnetworks.com, nikolay@...ulusnetworks.com,
        idosch@...lanox.com
Subject: Re: [PATCH RFC net-next 5/7] net/ipv6: Add support for path selection
 using hash of 5-tuple

Le 13/02/2018 à 22:02, David Ahern a écrit :
> On 2/13/18 1:59 PM, Nicolas Dichtel wrote:
>> Le 13/02/2018 à 21:35, David Ahern a écrit :
>>> On 2/13/18 1:31 PM, Nicolas Dichtel wrote:
>>>> Le 13/02/2018 à 01:06, David Ahern a écrit :
>>>>> Some operators prefer IPv6 path selection to use a standard 5-tuple
>>>>> hash rather than just an L3 hash with the flow the label. To that end
>>>>> add support to IPv6 for multipath hash policy similar to bf4e0a3db97eb
>>>>> ("net: ipv4: add support for ECMP hash policy choice"). The default
>>>>> is still L3 which covers source and destination addresses along with
>>>>> flow label and IPv6 protocol.
>>>>>
>>>>> Signed-off-by: David Ahern <dsahern@...il.com>
>>>>> ---
>>>> Do you plan to add the nl NETCONF support for this new sysctl?
>>>>
>>>
>>> hmmm.... doesn't exist for the current IPv4 version, but in-kernel
>>> drivers are notified. I wasn't planning on it, but it can be added.
>>>
>> Right for ipv4, it was on my todo list ;-)
>>
> 
> Awesome, then ipv6 is a 1-liner after you add ipv4 support. :-)
> 
Sure :)