Date: Thu, 15 Oct 2015 17:03:55 +0800 From: Julian Elischer <julian@freebsd.org> To: freebsd-net@freebsd.org Subject: Re: nice stuff from cloudflare (and, we need something like ethtool!) Message-ID: <561F6BFB.7080103@freebsd.org> In-Reply-To: <CA%2BhQ2%2BhFHeS_%2BCLS6Y7XSVUPQjppd6pPmgPHWy8fw%2BA5hK%2BMRQ@mail.gmail.com> References: <CA%2BhQ2%2BhFHeS_%2BCLS6Y7XSVUPQjppd6pPmgPHWy8fw%2BA5hK%2BMRQ@mail.gmail.com>
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On 10/10/15 10:59 PM, Luigi Rizzo wrote: > the nice folks at cloudflare implemented a nice feature > in netmap that puts some queues of the NIC in netmap mode > leaving others attached to the host stack > > https://blog.cloudflare.com/single-rx-queue-kernel-bypass-with-netmap/ > > and use ethtool (and native NIC filters) to steer traffic around. > [FWIW, the chelsio native netmap driver is similar except that > the netmap queue has a different MAC address] > > While their code was developed on linux, it should run > almost unmodified on FreeBSD (and we plan to import it soon), > except for the fact that we don't have ethtool hence no > device-independent mechanism to configure traffic steering. > > We really need to address the latter. I suspect the answer may be a device dependent sysctl > > cheers > luigi > >
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