[ovs-discuss] subfacet_path question

Feixiong Zhang feixiong at winlab.rutgers.edu
Wed Jul 31 21:01:36 UTC 2013


Hello,

I got confused about subfacet_path. The explanation in the source code is:

 *   - SF_FAST_PATH: The subfacet's actions are installed in the datapath.
 *
 *   - SF_SLOW_PATH: An action that sends every packet for the subfacet
through
 *     ofproto_dpif is installed in the datapath.

what does sending packets for subfacet through ofproto_dpif? is it just
sending to userspace? Any example or use case for SLOW_PATH?

thanks.
Feixiong
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