[vox-tech] bypass linux native tcp stack

[Nick Donnelly]

If you're interested in ethertap, sheep_net, and TAP/TUN, you might 
try the mac on linux (MOL) message archives at 
www.maconlinux.com/lists/index.html.

While you're there check out their great logo: 
http://www.maconlinux.com/mollogo/mol_top.gif
Laters,
Nick



>Check out the ethertap device in the linux kernel for generation of raw
>ethernet frames.
>
>Programs like BasiliskII (Apple Macintosh Emulator) can use the ethertap
>device (tap0). This allows a MacOS TCP/IP stack within BasiliskII to write
>to the datalink layer and bypass the internal TCP/IP stack used by the
>general linux system. Basilisk also ships with "sheep_net" kernel module
>you can compile to do something much like what you get with ethertap.
>
>check out netlink support (CONFIG_NETLINK) and CONFIG_ETHERTAP in the
>kernel as config options.
>
>Ethertap is degraded as it is being replaced by TAP/TUN. More
>Info:
>http://www.linuxhq.com/kernel/v2.4/doc/networking/ethertap.txt.html
>
>Hope this is what you are looking for.
>
>-ME
>
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>      Systems Department Operating Systems Analyst for the SSU Library
>
>On Thu, 29 Nov 2001, Ganesh  Subramaniam wrote:
>>  I have 'nt got into details of Linux tcp/ip architecture. Can someone tell
>>  me how coupled is the socket layer in linux with its native tcp/ip stack. Is
>>  it possible for me to make the linux socket layer bypass the native tcp/ip
>>  stack and communicate with some other layer (say another tcpip
>>  implementation) , without affecting the existing applications. Would
>>  appreciate some pointers,discussions on this subject.
>>
>>  Thanks a lot !
>>  Ganesh
>
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