source: trunk/packages/xen-3.1/xen-3.1/tools/vnet/vnet-module/00README @ 34

Vnet module for network virtualization.
Mike Wray <mike.wray@hp.com>

*) Compiling
The vnet module can be compiled for 2.4 or 2.6 series kernels.
The makefiles  use the following variables, which
can be set in your env or on the make command line:

LINUX_SERIES:   linux release to compile for: 2.4, or 2.6 (default).
XEN_ROOT:       root of the xen tree containing kernel source.
KERNEL_VERSION: kernel version, default got from XEN_ROOT.
KERNEL_SRC:     path to kernel source, default build-linux-<VERSION> 
                under XEN_ROOT.

*) For 2.4 kernel

To compile from scratch:

make clean
make LINUX_SERIES=2.4

This will build vnet_module.o in the current directory.
To install the module use

make LINUX_SERIES=2.4 install

*) For 2.6 kernel

To compile from scratch:

make clean
make

This will build vnet_module.ko in the current directory.
To install the module use

make install