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Date: Sun, 20 Jan 2019 11:15:05 -0800 (PST) From: David Miller <davem@...emloft.net> To: idosch@...lanox.com Cc: netdev@...r.kernel.org, jiri@...lanox.com, nird@...lanox.com, mlxsw@...lanox.com Subject: Re: [PATCH net-next 00/18] mlxsw: spectrum_router: Add GRE tunnel support for Spectrum-2 From: Ido Schimmel <idosch@...lanox.com> Date: Sun, 20 Jan 2019 06:50:38 +0000 > Nir says: > > In Spectrum-2, HW implementation of layer 3 tunnels differs from > Spectrum-1 when it comes to the underlay routing table selection. > Spectrum-2 uses a dedicated RIF that points to the virtual router used > for forwarding the encapsulated packets, while Spectrum-1 explicitly > specifies the virtual router itself. > > Patches #1 and #2 add additional fields in RITR - Router interface table > register and RTDP - Routing tunnel decap properties respectively, the > fields are required for the new underlay RIF needed for Spectrum-2. > > Patches #3-4 allow different set of RIF operations per ASIC type. The > first patch splits the operations and the following patch sets RIF ops > according to ASIC type. > > Patches #5-9 introduce small changes to existing code to allow existence > of a dedicated underlay RIF along with the underlay virtual router, and > to support that new type of RIF that has no device. > > Patch #10 takes care of updating the tunnel decap properties egress > underlay RIF required for Spectrum-2. > > Patch #11 adds the implementation of Spectrum-2 specific RIF operations > and essentially enables layer 3 GRE tunnels on Spectrum-2. > > Finally patches #12-18 add tests for GRE IP-in-IP tunnels, both in flat > and hierarchical topologies. As usual, another clean and nice patch series (with selftests!) from you guys. Series applied, thanks!
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