Mine

kfir@KPGE:~$ mkdir rtl8180
kfir@KPGE:~$ cd rtl8180
kfir@KPGE:~/rtl8180$ wget http://mesh.dl.sourceforge.net/sourceforge/rtl8180-sa2400/rtl8180-0.21.tar.gz
--13:14:31--  http://mesh.dl.sourceforge.net/sourceforge/rtl8180-sa2400/rtl8180-0.21.tar.gz
           => `rtl8180-0.21.tar.gz'
Resolving mesh.dl.sourceforge.net... 213.203.218.122
Connecting to mesh.dl.sourceforge.net|213.203.218.122|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 96,748 (94K) [application/x-tar]

100%[================================================================================>] 96,748        28.59K/s    ETA 00:00

13:14:35 (28.52 KB/s) - `rtl8180-0.21.tar.gz' saved [96748/96748]

kfir@KPGE:~/rtl8180$ tar zxvf rtl8180-0.21.tar.gz
rtl8180-0.21/
rtl8180-0.21/Makefile
rtl8180-0.21/AUTHORS
rtl8180-0.21/CHANGES
rtl8180-0.21/COPYING
rtl8180-0.21/INSTALL
rtl8180-0.21/LICENSE
rtl8180-0.21/Makefile26
rtl8180-0.21/README
rtl8180-0.21/README.adhoc
rtl8180-0.21/compat24.h
rtl8180-0.21/ieee80211.h
rtl8180-0.21/ieee80211_crypt.c
rtl8180-0.21/ieee80211_crypt.h
rtl8180-0.21/ieee80211_crypt_wep.c
rtl8180-0.21/ieee80211_module.c
rtl8180-0.21/ieee80211_rx.c
rtl8180-0.21/ieee80211_tx.c
rtl8180-0.21/ieee80211_wx.c
rtl8180-0.21/ieee802_11.h
rtl8180-0.21/module_load
rtl8180-0.21/module_load24
rtl8180-0.21/module_unload
rtl8180-0.21/module_unload24
rtl8180-0.21/r8180.h
rtl8180-0.21/r8180_93cx6.c
rtl8180-0.21/r8180_93cx6.h
rtl8180-0.21/r8180_core.c
rtl8180-0.21/r8180_gct.c
rtl8180-0.21/r8180_gct.h
rtl8180-0.21/r8180_hw.h
rtl8180-0.21/r8180_max2820.c
rtl8180-0.21/r8180_max2820.h
rtl8180-0.21/r8180_pm.c
rtl8180-0.21/r8180_pm.h
rtl8180-0.21/r8180_sa2400.c
rtl8180-0.21/r8180_sa2400.h
rtl8180-0.21/r8180_wx.c
rtl8180-0.21/r8180_wx.h
rtl8180-0.21/README.master
kfir@KPGE:~/rtl8180$ cd rtl8180-0.21
kfir@KPGE:~/rtl8180/rtl8180-0.21$ make
make -C /lib/modules/2.6.18-4-686/build SUBDIRS=/home/kfir/rtl8180/rtl8180-0.21 MODVERDIR=/home/kfir/rtl8180/rtl8180-0.21 modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.18-4-686'
scripts/Makefile.build:17: /home/kfir/rtl8180/rtl8180-0.21/Makefile: No such file or directory
make[2]: *** No rule to make target `/home/kfir/rtl8180/rtl8180-0.21/Makefile'.  Stop.
make[1]: *** [_module_/home/kfir/rtl8180/rtl8180-0.21] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.18-4-686'
make: *** [2.6] Error 2
kfir@KPGE:~/rtl8180/rtl8180-0.21$