This shouldn't be considered exceptional. It's what I'm paying for and should not require tipping.
>> if they ask if everything is ok throuought the meal at appropriate times
I understand you included 'appropriate' but this is honestly the thing that irritates me most about tipping culture. When I visit the US the barrage of 'how is everything etc.' throughout every meal drives me insane. Leave me alone to enjoy the food and conversation, stop interrupting it.