[ovs-discuss] Question regarding implementation of flow-table

sachin sharma sharon_sachin at yahoo.co.in
Wed Dec 14 12:27:46 PST 2011


Hi,
In older version, openvswitch has two types of flow-tables: one for exact matched Flow Entries and other for wildcard matched Flow Entries. First one was hash table and the second one was linear table. Now in current version, there is only one type of flow-table implemented for both exact matched flow-entries and wild-carded Flow Entries. 

Can someone please explain how is this implemented in the programming point of view. Small description would be appreciated or is there any document which explains about this implementation. Is it also a hash table? If it is a hash table how the hash-key is calculated for wildcarded entries or exacted matched entries?


Many thanks in advance!!

Best Regards,
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