On Sat, Nov 27, 2021, at 00:12, Paolo Valerio wrote:
> v3:
> - added _S suffix to NEIGH_ENTRY_MAX_AGING_TIME (patch #2)
> - Added Reported-at tag (patch #4)
>
> v2:
> - rebased against master
> - turned 'ageing' -> 'aging'
> - further details of v1 -> v2 respin has been added
>   to each patch
>
> The series is composed of the following patches:
>
> #1: Expires is modified in different contexts (revalidator, pmd-rx, bfd-tx).
>     It's probably not very racy for many reasons, but it seems a good idea
>     to use an atomic here (especially with the introduction of #3).
>
> #2: Introduces the possibility to set and read the entries timeout.
>     It's useful for debugging purpose. Includes a self-test.
>
> #3: While performing some tests I noticed unstable timeouts (more
>     visible when the ageing time is low) during nd snoop.
>     It turned out to be a problem of revalidation. Additional
>     details can be found in the commit description.
>
> #4: Fixes a use case in which the tnl neigh entry never
>     gets updated (further details in the commit message).
>     Includes a self-test.
>
> The use case fixed in #4 could be fixed relaxing the check in
> tnl_arp_snoop(), allowing to snoop ARP requests as well, but such
> approach could add unneeded entries in the cache.
>
> Paolo Valerio (4):
>       Native tunnel: Read/write expires atomically.
>       Native tunnel: Add tnl/neigh/aging command.
>       Native tunnel: Do not refresh the entry while revalidating.
>       Tunnel: Snoop ingress packets and update neigh cache if needed.
>

Hello Paolo,

Thanks for adressing the remarks.
There is a trivial conflict on NEWS with current master but otherwise LGTM.

For the series:
Acked-by: Gaetan Rivet <gr...@u256.net>

-- 
Gaetan Rivet
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