On Tue, Dec 19, 2000 at 09:24:24AM -0600, Todd T. Fries wrote:
> Instead of inventing something new, why not program to an existing api?
>
> The point of all of this, is that linux has recently added bpf/tun/tap style
> devices. I'd highly recommend using them, as passing network/ip fragments
> to/from userland to/from the kernel is exactly what these types of things
> were designed for .. don't re-invent the wheel all the time ;-)
Good point; I had forgotten about the tun/tap API. It looks really good --
so long as we don't want to implement networking completely inside the
kernel.
After all, we're moving packets from guest to monitor to host to kernel,
which is a _lot_ of unneccesary copies, which translate to bad performance.
-=- James Mastros
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