From: Paolo Abeni <pab...@redhat.com> Date: Fri, 4 May 2018 11:32:59 +0200
> When the core networking needs to detect the transport offset in a given > packet and parse it explicitly, a full-blown flow_keys struct is used for > storage. > This patch introduces a smaller keys store, rework the basic flow dissect > helper to use it, and apply this new helper where possible - namely in > skb_probe_transport_header(). The used flow dissector data structures > are renamed to match more closely the new role. > > The above gives ~50% performance improvement in micro benchmarking around > skb_probe_transport_header() and ~30% around eth_get_headlen(), mostly due > to the smaller memset. Small, but measurable improvement is measured also > in macro benchmarking. > > v1 -> v2: use the new helper in eth_get_headlen() and skb_get_poff(), > as per DaveM suggestion > > Suggested-by: David Miller <da...@davemloft.net> > Signed-off-by: Paolo Abeni <pab...@redhat.com> Awesome. Applied, thanks Paolo.
