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. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev