On Fri, 25 Oct 2013 11:05:05 +0200 Daniel Borkmann <dborkman@xxxxxxxxxx> wrote: > Unlike UDP or TCP, we do not take the pseudo-header into account > in SCTP checksums [1]. So in case port mapping is the very same, we > do not need to recalculate the whole SCTP checksum in software, which > is expensive. > > Also, similarly as in IPVS/TCP, take into account when a private > helper mangled the packet. In that case, we also need to recalculate > the checksum even if ports might be same. > > [1] http://tools.ietf.org/html/rfc4960#section-6.8 > > Signed-off-by: Daniel Borkmann <dborkman@xxxxxxxxxx> > --- Acked-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> Thanks Daniel, this will hopefully increase SCTP performance as we avoid recalculating the checksum when not necessary :-) -- Best regards, Jesper Dangaard Brouer MSc.CS, Sr. Network Kernel Developer at Red Hat Author of http://www.iptv-analyzer.org LinkedIn: http://www.linkedin.com/in/brouer -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
