[ovs-dev] [PATCH v4 0/2] Fix tunnel neighbor cache population

Ben Pfaff blp at ovn.org
Wed Apr 18 23:44:00 UTC 2018


On Wed, Apr 04, 2018 at 11:57:52PM +0200, Jan Scheurich wrote:
> Currently, OVS snoops any ARP or ND packets in any bridge and populates
> the tunnel neighbor cache with the retrieved data. For instance, when
> ARP reply originated by a tenant is received on an overlay bridge, the
> ARP packet is snooped and tunnel neighbor cache is filled with tenant
> addresses, however only actual tunnel neighbor data should be stored
> there. In worst case tunnel peer data could be overwritten in the cache.
> 
> This series resolves the issue by limiting the range of ARP and ND
> packets being snooped to only those that are addressed to potential
> local tunnel endpoints.
> 
> v3 -> v4:
>   - Rebased to master (commit 4b337e489b)
>   - Failing unit test case with v3 fixed by commit 8f0e86f84
>   - Improved commit messages

Thank you for the bug fixes.

I applied this series to master.


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