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Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet

From Hannes Frederic Sowa <hannes@stressinduktion.org>
Newsgroups linux.kernel
Subject Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet
Date 2016-11-01 18:10 +0100
Message-ID <syKJs-33k-35@gated-at.bofh.it> (permalink)
References <syJaG-1ZX-7@gated-at.bofh.it> <syJkm-232-15@gated-at.bofh.it> <syK6K-2Be-23@gated-at.bofh.it> <syKgp-2Ek-25@gated-at.bofh.it>
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On 01.11.2016 17:39, David Miller wrote:
> From: Hannes Frederic Sowa <hannes@stressinduktion.org>
> Date: Tue, 1 Nov 2016 17:27:56 +0100
> 
>> On 01.11.2016 16:35, David Miller wrote:
>>> I have a really hard time accepting a "fix" that depends upon behavior
>>> that the Linux ipv6 stack doesn't even have.
>>
>> We actually support this feature:
> 
> But it is forbidden when the sysctl I mentioned is set, which is the
> default.
> 
> I'm talking about default behavior, which is to not reflect.

Oh, yes, understood.

I think we can flip this sysctl by default to off: current default
kernel config actually generates flow labels on its own, so the
description of this sysctl is violated by default anyway, as it doesn't
preserve the uniqueness anymore.

Bye,
Hannes

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Thread

Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Tom Herbert <tom@herbertland.com> - 2016-10-28 00:40 +0200
  Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet Jakub Sitnicki <jkbs@redhat.com> - 2016-10-28 10:40 +0200
    Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Tom Herbert <tom@herbertland.com> - 2016-10-28 16:30 +0200
      Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet Jakub Sitnicki <jkbs@redhat.com> - 2016-10-30 14:10 +0100
        Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for  forwarded ICMP errors from offending packet David Miller <davem@davemloft.net> - 2016-10-31 20:20 +0100
          Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet Jakub Sitnicki <jkbs@redhat.com> - 2016-11-01 16:30 +0100
            Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for  forwarded ICMP errors from offending packet David Miller <davem@davemloft.net> - 2016-11-01 16:40 +0100
              Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet Jakub Sitnicki <jkbs@redhat.com> - 2016-11-01 17:30 +0100
              Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-11-01 17:30 +0100
                Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for  forwarded ICMP errors from offending packet David Miller <davem@davemloft.net> - 2016-11-01 17:40 +0100
                Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-11-01 18:10 +0100
        Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Tom Herbert <tom@herbertland.com> - 2016-10-31 20:30 +0100
          Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded ICMP errors from offending packet Jakub Sitnicki <jkbs@redhat.com> - 2016-11-01 16:50 +0100
          Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-11-01 17:30 +0100
            Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Tom Herbert <tom@herbertland.com> - 2016-11-01 17:40 +0100
              Re: [PATCH net-next 5/5] ipv6: Compute multipath hash for forwarded  ICMP errors from offending packet Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-11-01 18:00 +0100

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