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authorDavid S. Miller <davem@davemloft.net>2016-03-01 17:15:23 -0500
committerDavid S. Miller <davem@davemloft.net>2016-03-01 17:15:23 -0500
commite9c0d61d5faea3e34fd995063e44ba64be6491df (patch)
treeca865aa7e4469050f1d3103559c8ae65d218c652 /net/ipv4/af_inet.c
parentd67703fcede6696667218d29f86b4ee6ae618de6 (diff)
parent200e10f46936d95a553414f249cefb765194b235 (diff)
Merge branch 'ife'
Jamal Hadi Salim says: ==================== net_sched: Add support for IFE action As agreed at netconf in Seville, here's the patch finally (1 year was just too long to wait for an ethertype. Now we are just going have the user configure one). Described in netdev01 paper: "Distributing Linux Traffic Control Classifier-Action Subsystem" Authors: Jamal Hadi Salim and Damascene M. Joachimpillai The original motivation and deployment of this work was to horizontally scale packet processing at scope of a chasis or rack. This means one could take a tc policy and split it across machines connected over L2. The paper refers to this as "pipeline stage indexing". Other use cases which evolved out of the original intent include but are not limited to carrying OAM information, carrying exception handling metadata, carrying programmed authentication and authorization information, encapsulating programmed compliance information, service IDs etc. Read the referenced paper for more details. The architecture allows for incremental updates for new metadatum support to cover different use cases. This patch set includes support for basic skb metadatum. Followup patches will have more examples of metadata and other features. v4 changes: Integrate more feedback from Cong v3 changes: Integrate with the new namespace changes Remove skbhash and queue mapping metadata (but keep their claim for ids) Integrate feedback from Cong Integrate feedback from Daniel v2 changes: Remove module option for an upper bound of metadata Integrate feedback from Cong Integrate feedback from Daniel ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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