Linux网卡驱动安装出错

我的网卡是RTL8111B型号的。Linux没有自带驱动所以我上官网下了一个但是安装出错 .
[root@localhost r8168-8.001.00]# make clean modules .
make -C src/ clean .
make[1]: Entering directory `/r8168-8.001.00/src' .
rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions .
make[1]: Leaving directory `/r8168-8.001.00/src' .
make -C src/ modules .
make[1]: Entering directory `/r8168-8.001.00/src' .
make -C /lib/modules/2.6.18-1.2798.fc6/build SUBDIRS=/r8168-8.001.00/src modules .
make: Entering an unknown directory .
make: *** /lib/modules/2.6.18-1.2798.fc6/build: 娌℃湁閭ｄ釜鏂囦欢鎴栫洰褰曘