329     uint8_t        priority = static_cast<uint8_t>(aPriority);  in SetPriority()  local
334     VerifyOrExit(priority < kNumPriorities, error = kErrorInvalidArgs);  in SetPriority()
336     VerifyOrExit(IsInAQueue(), GetMetadata().mPriority = priority);  in SetPriority()
337     VerifyOrExit(GetMetadata().mPriority != priority);  in SetPriority()
346     GetMetadata().mPriority = priority;  in SetPriority()
965     uint8_t        priority;  in FindFirstNonNullTail()  local
967     priority = static_cast<uint8_t>(aStartPriorityLevel);  in FindFirstNonNullTail()
971         if (mTails[priority] != nullptr)  in FindFirstNonNullTail()
973             tail = mTails[priority];  in FindFirstNonNullTail()
977         priority = PrevPriority(priority);  in FindFirstNonNullTail()
978     } while (priority != aStartPriorityLevel);  in FindFirstNonNullTail()
1013     Message::Priority priority;  in Enqueue()  local
1021     priority = aMessage.GetPriority();  in Enqueue()
1023     tail = FindFirstNonNullTail(priority);  in Enqueue()
1040     mTails[priority] = &aMessage;  in Enqueue()
1045     Message::Priority priority;  in Dequeue()  local
1050     priority = aMessage.GetPriority();  in Dequeue()
1052     tail = mTails[priority];  in Dequeue()
1058         if ((&aMessage == tail) || (tail->GetPriority() != priority))  in Dequeue()
1063         mTails[priority] = tail;  in Dequeue()