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Sun, 08 Jan 2006 20:58:58 +0100
Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux)
This weekend I worked on networking support for GRUB 2. It is still
far from done. A lot of people are interested in this functionality,
so I hope this email answers all questions. At first I said I would
do this in February, but things went more smoothly than I expected.
First of all, what have I been doing:
Because I like working in userspace because it makes things easier to
debug, I am using grub-emu to implement networking. In order to be
able to do this I am using TAP (a virtual Ethernet device).
I have developed Ethernet support. At the moment only the TAP device
is supported. But I plan to add support for IEEE 1275 and perhaps
UNDI support. Vincent was working on support for PCI cards, I hope he
will find the time to finish this some day...
Except Ethernet support, I've also written ARP support and made it
possible to send IP+UDP packets. The support to receive IP+UDP is not
How everything is implemented will be described when I send in the
patch, but feel free to ask questions about the implementation and
Things I planned to do:
- Finish IPv4+UDP receive.
- Implement DHCP/BOOTP.
- Clean up the code a bit and document everything properly.
- Add IEEE 1275 support (so networking will work on the PPC and
- Implement TFTP.
Things I will perhaps work on:
- Starting a GRUB hackers manual with clear examples of networking and
how it all works.
Things I (most likely) will not do:
- PCI card support.
- Networking status,
Marco Gerards <=