On 09/24/2013 10:09 AM, Takayuki Usui wrote:
Hi All,
Is anyone making a similar effort? Why don't we work together and
share the status?
I have been looking at memory mapped netlink introduced in Linux 3.10
and trying to understand its advantages and disadvantages examining
stability, performance, programmability, etc.
Since I'm focusing on the OVS kernel module and the netlink communication
right now, I'm not using the OVS user-space utilities but another simple
library to handle the netlink protocols. Even though it's still work in
progress, all the materials are available at github,
A patch for the OVS kernel module to use memory mapped netlink,
https://github.com/takayuki/openvswitch/tree/nl_mmap
And, a simple library to handle OVS netlink protocols,
A Minimalistic Approach to Open vSwitch Datapath
https://github.com/takayuki/libdpif
By the way, I was quickly skimming the archive of the list, when
I found another effort to use memory mapped netlink with OVS,
[ovs-discuss] Any plan to support memory mapped netlink?
http://openvswitch.org/pipermail/discuss/2013-July/010759.html
We are also working on this (as announced in the July email on this
mailing list) and are planning to post the final patch very soon.
Hopefully this week.
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