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.).

Tom Herbert (7):
  net: Add skb_get_hash_perturb
  sched: Eliminate use of flow_keys in sch_fq_codel
  sched: Eliminate use of flow_keys in sch_hhf
  sched: Eliminate use of flow_keys in sch_sfb
  sched: Eliminate use of flow_keys in sch_sfq
  net: Add flow_keys digest
  sch_choke: Use flow_keys_digest

 include/linux/skbuff.h   | 15 +++++++++++++++
 include/net/flow_keys.h  | 19 +++++++++++++++++++
 net/sched/sch_choke.c    | 14 ++++----------
 net/sched/sch_fq_codel.c | 11 ++---------
 net/sched/sch_hhf.c      | 19 +------------------
 net/sched/sch_sfb.c      | 24 ++++++++----------------
 net/sched/sch_sfq.c      | 29 +++--------------------------
 7 files changed, 52 insertions(+), 79 deletions(-)

-- 
1.8.1

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