dpif-netdev: Rename batch_pkt_execute.

The new name "packet_batch" is a bit more straight forward.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>
dpif-netdev: Take the classifier rdlock once per batch.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
classifier: Add a batched miniflow lookup function.

Used in a future patch.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
dpif-netdev: Batch megaflow lookup.

Signed-off-by: Ethan Jackson <ethan@nicira.com>