FC6安装RT8169时的错误！急求!

vanguardzap

系统FC6.0,网卡是RT8169！安装驱动的时候报错：
[root@NG-NatServer r8169-6.004.00]# make
make -C src/ clean
make[1]: Entering directory `/root/r8169-6.004.00/src'
rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions Module.symvers Modules.symvers rset
make[1]: Leaving directory `/root/r8169-6.004.00/src'
make -C src/ modules
make[1]: Entering directory `/root/r8169-6.004.00/src'
make -C /lib/modules/2.6.18-1.2798.fc6/build SUBDIRS=/root/r8169-6.004.00/src modules
make: Entering an unknown directory
make: *** /lib/modules/2.6.18-1.2798.fc6/build: No such file or directory.  Stop.
make: Leaving an unknown directory
make[1]: *** [modules] Error 2
make[1]: Leaving directory `/root/r8169-6.004.00/src'
make: *** [modules] Error 2

[root@NG-NatServer r8169-6.004.00]# make install
make -C src/ install
make[1]: Entering directory `/root/r8169-6.004.00/src'
install -m 744 -c r8169.ko /lib/modules/2.6.18-1.2798.fc6/kernel/drivers/net/
install: cannot stat `r8169.ko': No such file or directory
make[1]: *** [install] Error 1
make[1]: Leaving directory `/root/r8169-6.004.00/src'
make: *** [install] Error 2

[root@NG-NatServer r8169-6.004.00]# rpm -qa | grep kernel
kernel-headers-2.6.18-1.2798.fc6
kernel-2.6.18-1.2798.fc6