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authorDavid S. Miller <davem@davemloft.net>2015-05-04 00:09:09 -0400
committerDavid S. Miller <davem@davemloft.net>2015-05-04 00:09:09 -0400
commit7c9a2eeac9b9caafb806e624fd2b75d30ecaee64 (patch)
tree6a96e0a238759aa880c17b3efbe2ba616eaad86e /drivers/bus/omap_l3_smx.c
parent6a21165480a066a27c1f1dbd32aec581c612ba23 (diff)
parent2e99403d28c182aa7ffb2d4ef34472df4873a4dd (diff)
Merge branch 'flow_keys_digest'
Tom Herbert says: ==================== net: Eliminate calls to flow_dissector and introduce flow_keys_digest In this patch set we add skb_get_hash_perturb which gets the skbuff hash for a packet and perturbs it using a provided key and jhash1. This function is used in serveral qdiscs and eliminates many calls to flow_dissector and jhash3 to get a perturbed hash for a packet. To handle the sch_choke issue (passes flow_keys in skbuff cb) we add flow_keys_digest which is a digest of a flow constructed from a flow_keys structure. This is the second version of these patches I posted a while ago, and is prerequisite work to increasing the size of the flow_keys structure and hashing over it (full IPv6 address, flow label, VLAN ID, etc.). Version 2: - Add keyval parameter to __flow_hash_from_keys which allows caller to set the initval for jhash - Perturb always does flow dissection and creates hash based on input perturb value which acts as the keyval to __flow_hash_from_keys - Added a _flow_keys_digest_data which is used in make_flow_keys_digest. This fills out the digest by populating individual fields instead of copying the whole structure. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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