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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