realtek 8111e驱动怎么装?

从realtek官网上下的linux驱动 放到linux下编译后出错,什么问题/

[root@prophecy ~]# cd r8168-8.024.00
[root@prophecy r8168-8.024.00]# make
make -C src/ clean
make[1]: Entering directory `/root/r8168-8.024.00/src'
rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions Module.symvers Modules.symvers Module.markers *.order
make[1]: Leaving directory `/root/r8168-8.024.00/src'
make -C src/ modules
make[1]: Entering directory `/root/r8168-8.024.00/src'
make -C /lib/modules/2.6.18-128.el5PAE/build SUBDIRS=/root/r8168-8.024.00/src modules
make: Entering an unknown directory
make: *** /lib/modules/2.6.18-128.el5PAE/build: No such file or directory. Stop.
make: Leaving an unknown directory
make[1]: *** [modules] Error 2
make[1]: Leaving directory `/root/r8168-8.024.00/src'
make: *** [modules] Error 2
[root@prophecy r8168-8.024.00]# rpm -qa|grep kernel
kernel-devel-2.6.18-128.el5
kernel-PAE-2.6.18-128.el5
kernel-headers-2.6.18-238.12.1.el5