Waiting time and availability of WIFI in embarkation hall of cruise terminal

We are embarking at Marseille for the Western Mediterranean 15 July Cruise of Costa Diadema.

For our Cruise o/b Costa Fortuna in 2011, we waited for 2 hours to access the ship as embarkation was prioritized per cabin category and we had the last category (Inside-Classic).

Would any one know how they usually proceed for that Costa Diadema Marseille to Marseille Cruise and whether "to kill time" while waiting free WIFI is available right in the Marseille Terminal Embarkation Hall?

No free Wifi, if I recall correctly even the coffee shop was closed the last time I was there. I didn't arrive til after boarding started, there were only a small number of people waiting. I waited less than 20 minutes, except for a problem with a poor-quality Schengen entry stamp (they do check).

Many Thanks, Dancer Bob