[ovs-dev] [mcgroup 2/4] datapath: Hardcode vport multicast group ID on older kernels.

Ben Pfaff blp at nicira.com
Thu Sep 15 17:03:53 UTC 2011


On Wed, Sep 14, 2011 at 05:55:32PM -0700, Ethan Jackson wrote:
> Older kernels do not advertise the multicast groups of families
> when requested by userspace.  As a workaround, this patch hardcodes
> the multicast group ID of the ovs_vport family on these kernels.
> Userspace will be able to fall back to this hardcoded value if the
> standard mechanism is unavailable.
> 
> Signed-off-by: Ethan Jackson <ethan at nicira.com>

Where does the number 214 come from?

I'll leave this to Jesse for further review.



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