Hello,
it follows a series of patches extending the functionality and usability of
the RTnet-Proxy [1]:
1. RTnet-Proxy: UDP support
2. RTnet-Proxy: ARP support
3. IOCTL request to check if a host address has been resolved
4. Disable RTnet IPv4 ICMP support
5. RTnet-Proxy: Update documentation of the extened RTnet-Proxy
The RTnet-Proxy allows to share real-time and non-real-time network traffic
on the same RTnet device. Incoming non-real-time packets are forwarded to
the Linux network stack. Here is the list of configuration options for
the extended RTnet-Proxy:
--enable-proxy: this enables RTnetproxy support, which is by default
restricted to IP-based protocols (TCP/IP!!!). Incoming frames from
ICMP and UDP are interpreted directly by RTnet and are not forwarded
to RTnetproxy => UDP works only with outgoing frames from Linux
context. Of course UDP works with RTnet!
--enabled-proxy-udp: this option enables routing of non-realtime UDP
packets to the Linux network stack (via rtproxy device). It's the
users responsibility to make sure that port numbers used by RTnet
or the Linux network stack are assigned uniquely.
--enable-proxy-arp: this option enables ARP support for the rtproxy Linux
network device. Incoming ARP replys are delivered to both, the RTnet
and the Linux network stack. The rtproxy then gets attached to the
corresponding RTnet device, rteth0 by default.
--disable-icmp: this option disables the RTnet IPv4 ICMP support. ICMP
will then be handled by the Linux network stack via the rtproxy Linux
network device.
Comments are welcome.
Wolfgang.
[1]
http://www.rts.uni-hannover.de/rtnet/lxr/source/Documentation/README.rtnetproxy
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