[09:25] root@medical102:/usr/lib/vmware/modules/vmnet-only# make
Using 2.6.x kernel build system.
make -C /lib/modules/2.6.20.3/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. modules
make[1]: Entrando no diretório `/usr/src/linux-2.6.20.3'
  CC [M]  /usr/lib/vmware/modules/vmnet-only/driver.o
  CC [M]  /usr/lib/vmware/modules/vmnet-only/hub.o
  CC [M]  /usr/lib/vmware/modules/vmnet-only/userif.o
/usr/lib/vmware/modules/vmnet-only/userif.c: In function `VNetCopyDatagramToUser':
/usr/lib/vmware/modules/vmnet-only/userif.c:629: error: `VM_CHECKSUM_HW' undeclared (first use in this function)
/usr/lib/vmware/modules/vmnet-only/userif.c:629: error: (Each undeclared identifier is reported only once
/usr/lib/vmware/modules/vmnet-only/userif.c:629: error: for each function it appears in.)
make[2]: ** [/usr/lib/vmware/modules/vmnet-only/userif.o] Erro 1
make[1]: ** [_module_/usr/lib/vmware/modules/vmnet-only] Erro 2
make[1]: Saindo do diretório `/usr/src/linux-2.6.20.3'
make: ** [vmnet.ko] Erro 2