On Mon, Mar 24, 2014 at 02:53:44PM -0700, Pravin Shelar wrote: > On Mon, Mar 24, 2014 at 2:21 PM, Ben Pfaff <b...@nicira.com> wrote: > > On Mon, Mar 24, 2014 at 10:59:05AM -0700, Jarno Rajahalme wrote: > >> Now that we don't need to parse TCP flags from the packet after > >> extraction, we usually do not need the 'l7' pointer any more. When > >> needed, ofpbuf_get_tcp|udp|sctp|icmp_payload() or ofpbuf_get_l4_size() > >> can be used instead. > >> > >> Removal of 'l7' was requested by Pravin for the DPDK datapath work, as > >> it simplifies packet parsing a bit. > > > > Pravin, I'm curious about how removing l7 simplifies the DPDK > > datapath. Can you tell us? > > This improves flow_extract performance. Most of time l7 is not used > therefore initializing it for every packet does not accomplish much.
I see, thanks. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
