[ovs-git] [openvswitch/ovs] 048963: dpif-netdev: Reset RSS hash when recirculating.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: 048963aa8507f3627bf3c9b4cbe4be4a46845b42
      https://github.com/openvswitch/ovs/commit/048963aa8507f3627bf3c9b4cbe4be4a46845b42
  Author: Daniele Di Proietto <diproiettod at vmware.com>
  Date:   2015-05-21 (Thu, 21 May 2015)

  Changed paths:
    M lib/dpif-netdev.c

  Log Message:
  -----------
  dpif-netdev: Reset RSS hash when recirculating.

Having the same RSS hash after recirculation can cause unnecessary
collisions in the exact match cache.  A simple solution is to rehash it
with the recirculation depth if it is non-zero.

Suggested-by: Ethan Jackson <ethan at nicira.com>
Signed-off-by: Daniele Di Proietto <diproiettod at vmware.com>
Signed-off-by: Ethan Jackson <ethan at nicira.com>
Acked-by: Ethan Jackson <ethan at nicira.com>