[mle] enter fast poll mode when dequeue delayed MLE Data Request (#3761)

2026-08-06 02:37:47 +00:00 · 2019-04-16 10:28:14 -07:00
parent 02463bdda1
commit 8fd8d1e0f9
1 changed files with 10 additions and 0 deletions
@@ -1840,6 +1840,16 @@ void Mle::HandleDelayedResponseTimer(void)
            if (SendMessage(*message, delayedResponse.GetDestination()) == OT_ERROR_NONE)
            {
                LogMleMessage("Send delayed message", delayedResponse.GetDestination());
+
+                // Here enters fast poll mode, as for Rx-Off-when-idle device, the enqueued msg should
+                // be Mle Data Reqeuest.
+                // Note: Finer-grade check (e.g. message subtype) might be required when deciding whether
+                // or not enters fast poll mode fast poll mode if there are other type of delayed message
+                // for Rx-Off-when-idle device.
+                if (!IsRxOnWhenIdle())
+                {
+                    Get<DataPollManager>().SendFastPolls(DataPollManager::kDefaultFastPolls);
+                }
            }
            else
            {