On Thu, Nov 5, 2015 at 7:52 PM, Jason A. Donenfeld <ja...@zx2c4.com> wrote: > Hi folks, > > When sending arbitrary SKBs with udp_tunnel_xmit_skb, the networking > stack does not appear to be utilizing UFO on the outgoing UDP packets, > which significantly caps the transmission speed. I see about 50% CPU > usage in this send path, triggered for every single outgoing packet. > Is there a particular skb option I need to set to enable this? I read > Tom's patch [1] from last year, but this seems to be about setting the > inner packet type. In my case, the inner type is opaque encrypted > data, so there's not a relevant setting. > Jason,
Is this about UFO or GSO (in email subject)? UFO should operate independently encapsulation or inner packet setting. Tom > Thanks, > Jason > > [1] http://thread.gmane.org/gmane.linux.network/332194 > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html