path: root/drivers/net/ethernet/intel/igb
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authorDavid S. Miller <davem@davemloft.net>2019-01-20 11:12:59 -0800
committerDavid S. Miller <davem@davemloft.net>2019-01-20 11:12:59 -0800
commit28f9d1a3d4fecdb2352d3984ddeec88146385885 (patch)
treeab6a936a4af56442307528daad5a4b7c57f0c60b /drivers/net/ethernet/intel/igb
parentMerge branch 'r8169-series-with-smaller-improvements' (diff)
parentselftests: forwarding: Add IP-in-IP GRE hierarchical topology with keys test (diff)
Merge branch 'mlxsw-spectrum_router-Add-GRE-tunnel-support-for-Spectrum-2'
Ido Schimmel says: ==================== mlxsw: spectrum_router: Add GRE tunnel support for Spectrum-2 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. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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