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authorJohn Lo <loj@cisco.com>2016-11-07 18:30:47 -0500
committerDamjan Marion <dmarion.lists@gmail.com>2016-11-10 12:45:00 +0000
commitc42912de8e2873c6a107fee047773b13950a764b (patch)
tree56fffe89680f81df4dfe05aa536dd17a424fa04e /vlib
parent450cd302ee58887d824810d3b940d5d9febd0cf1 (diff)
VXLAN tunnel encap forwarding optimization with FIB 2.0
Optimize VXLAN encap node so that vxlan4-encap node is used for IP4 and vxlan6-encap node is used for IP6 underlay. Also stack the VXLAN encap nodes to the appropriate FIB IP4 or IP6 load-balance node instead of ip4/ip6-lookup node to save IP lookup operation. For VXLAN decap node, check VXLAN header FLAGS field for each packet and remove the code to support decap-next for IP4 or IP6. These decap- next values were intended for experimentation purposes and not needed any more since VXLAN-GPE tunnel is supported. The decap-next field is still kept in API for backward compatibility and its value has no effect. Decap next for both vxlan4-decap and vxlan6-decap nodes is always l2-input node. Change-Id: I8ac95774946549ec403ab691f999df0c006b460f Signed-off-by: John Lo <loj@cisco.com>
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