At first, make sure you have ipx in the kernel, or the kernel module "ipx" loaded and the ipx utilities (debian package ipx) installed.
now do as root:
ipx_interface add wlan0 802.2
when wlan0 is your network-interface you want to use.
now ipx-networking with wine should work.
Hit "E" and keep it pressed in the main menu, until the editor opens
If you receive the following message:
preloader: Warning: failed to reserve range 00000000-60000000 err:dosmem:setup_dos_mem Cannot use first megabyte for DOS address space, please report
You should follow the instruction on the Wine Wiki.