[ovs-dev] [PATCH 2/2] datapath: Move Netlink PID for userspace actions from flows to actions.

Ben Pfaff blp at nicira.com
Tue Oct 4 14:40:27 PDT 2011


On Tue, Oct 04, 2011 at 01:22:39PM -0700, Ben Pfaff wrote:
> Commit b063d9f06 "datapath: Use unicast Netlink sockets for upcalls" that
> switched from multicast to unicast Netlink for sending upcalls added a
> Netlink PID to each kernel flow, used by OVS_ACTION_ATTR_USERSPACE actions
> within the flow as target.
> 
> This commit drops this per-flow PID in favor of a per-action PID, because
> that is more flexible.  It does not yet make use of this additional
> flexibility, so behavior should not change.
> 
> Signed-off-by: Ben Pfaff <blp at nicira.com>
> Bug #7559.

Oops, this forgot to update the OVS_ACTION_ATTR_USERSPACE parser in
dpif-netdev.  I'll follow up with a fix when I have one.



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