tree e6bb8f5adf7b944ff21b25b0a4586529efceeefb
parent 0fe198a5e10229b269624a18bbd390001a8d3476
author Jesse Brandeburg <jesse.brandeburg@intel.com> 1155761245 -0700
committer Auke Kok <juke-jan.h.kok@intel.com> 1155761245 -0700

ixgb: fix cache miss due to miscalculation

Reduce writeback threshold by 1. We were instructing the hardware to
wait until the 17th descriptor which went over the cache line limit.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke.jan.h.kok@intel.com>