Mobile traffic's and interesting one. Is your mobile site a duplicate of main site just formatted differently? That being the case you can't normally rank for both unless you specifically instruct Google that one is built for specifically for mobile searchers and shouldn't be considered as a duplicate of your "classic search" website. (See option 3 in Google's advice below)
https://developers.google.com/webmas...-sites/details
Cheers,
Paz.