Re: [net-next sample action optimization v2 4/4] Openvswitch: Refactor sample and recirc actions implementation

Added execute_or_defer_actions() that both sample and recirc
action's implementation can use.

Signed-off-by: Andy Zhou <redacted>
---
 net/openvswitch/actions.c | 96 +++++++++++++++++++++++++++++------------------
 1 file changed, 59 insertions(+), 37 deletions(-)

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 1638370..fd7d903 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c

@@ -1286,6 +1262,52 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
        return 0;
 }

+static int execute_or_defer_actions(struct datapath *dp, struct sk_buff *skb,
+                                   struct sw_flow_key *clone,
+                                   struct sw_flow_key *key,
+                                   u32 *recirc_id,
+                                   const struct nlattr *actions, int len)
+{
+       struct deferred_action *da;
+
+       /* If within the limit of 'OVS_DEFERRED_ACTION_THRESHOLD',
+        * recirc immediately, otherwise, defer it for later execution.
+        */
+       if (clone) {
+               if (recirc_id) {
+                       clone->recirc_id = *recirc_id;
+                       ovs_dp_process_packet(skb, clone);
+                       return 0;
+               } else {
+                       return do_execute_actions(dp, skb, clone,
+                                                 actions, len);