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authorMaciej Fijalkowski <maciej.fijalkowski@intel.com>2019-10-24 01:11:24 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2019-11-04 13:09:59 -0800
commitaaf27254fdf9054c00cf2a9c479a52a16204d768 (patch)
tree563ee5a13519e8d63903f26796c3dfd5c8cbe325 /tools/perf/scripts/python/export-to-postgresql.py
parent59bb08080557589aaf577a99d329ccea38b55c95 (diff)
ice: add build_skb() support
Driver is now prepared for building the skb around the existing Rx buffer, so introduce the ice_build_skb responsible for it. Make use of XDP's data_meta as well. I've observed around 30% less CPU consumption with build_skb Rx path, in comparison to legacy Rx. What stands behind such result is the avoidance of flow_dissector (which we were diving into via eth_get_headlen) and no memcpy calls. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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