He has scored six goals in 11 appearances for the Nerazzurri in Serie A, but some pundits were expecting more, especially in Europe where he has yet to open his account.
Speaking to RAC 1, Eto'o said: "I miss the Camp Nou. I do not know if there will be a tribute. It is I who must be very grateful for wearing this shirt.
"I cannot take revenge because I just left friends here. I left Barcelona with a clear conscience and I have no grudge against them."