Date: Sun, 18 Aug 2013 08:57:54 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Jim Thompson <jim@netgate.com> Cc: Barney Cordoba <barney_cordoba@yahoo.com>, FreeBSD Net <net@freebsd.org>, Luigi Rizzo <rizzo@iet.unipi.it>, Lawrence Stewart <lstewart@freebsd.org> Subject: Re: it's the output, not ack coalescing (Re: TSO and FreeBSD vs Linux) Message-ID: <CAJ-Vmo=0OX=_6cO_pZ45XrvfQzb%2BNVms00LUo5oRriZWUMBx%2Bg@mail.gmail.com> In-Reply-To: <71EA3DFB-B410-432D-98E0-B6341556BE6D@netgate.com> References: <520A6D07.5080106@freebsd.org> <520AFBE8.1090109@freebsd.org> <520B24A0.4000706@freebsd.org> <520B3056.1000804@freebsd.org> <20130814102109.GA63246@onelab2.iet.unipi.it> <1376745244.6575.YahooMailNeo@web121606.mail.ne1.yahoo.com> <1376748170.66110.YahooMailNeo@web121601.mail.ne1.yahoo.com> <CAJ-VmonGeqn5qqbfvF9xWaFPYNMNSVb6VwMx%2BoEVSGXVid98ag@mail.gmail.com> <1376833738.94737.YahooMailNeo@web121605.mail.ne1.yahoo.com> <71EA3DFB-B410-432D-98E0-B6341556BE6D@netgate.com>
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Right. Well, post some profiling data, let's figure this out sometime. Luigi can do bridging with 2 cores using netmap. So it's technically possible. There's just a lot of kernel gunk in the way of doing it ye olde way. -adrian On 18 August 2013 07:25, Jim Thompson <jim@netgate.com> wrote: > > On Aug 18, 2013, at 8:48 AM, Barney Cordoba <barney_cordoba@yahoo.com> > wrote: > > > I could fill a tx queue with 10gb of traffic with yesteryear's cpus. > It's not an achievement. Being able to bridge > > real traffic at 10gb/s with 2 cores is > > Or forward at layer 3. > > Or filter packets. > > Or IPSEC. > > Or...
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