Commit Graph

14 Commits

Author SHA1 Message Date
Andreas Faerber
ce6fdd33ef Detach UDP sockets on cleanup
The UDP service does not own the UDP sockets. When shutting down,
inform the bound sockets that the service is no longer available.
This allows subsequent method calls to error out cleanly.

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>
2017-11-13 16:48:09 +01:00
Andreas Faerber
74077e46e1 Add net_stack_cleanup()
Add a cleanup function net_stack_cleanup() that calls a new NetStack::ShutDown() method.
Make sure this method works even if the network stack was never initialized.

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>
2017-11-13 16:47:27 +01:00
Andreas Färber
5b086e27e8 boot_net: Add iSCSI initiator support
Add support for both discovery and regular iSCSI sessions. Command and status
sequence numbers do differentiate between session and connection but only
one connection per session is currently supported.

Code is Big Endian for now, so compile it for ppc only.

Based on RFC 3720 ff. Tested against OpenSolaris 2009.06.

Resolves most of ticket #5319.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38536 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-09-05 22:30:41 +00:00
Andreas Färber
040b33980c boot_net: Prepare socket-specific TCP window size
Pass the desired window size from the socket to the service.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38530 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-09-04 22:36:35 +00:00
Andreas Färber
b7e825d6e7 boot_net: Add TCP support
Modelled after UDP, add limited TCP support to the boot net stack. The socket
works by queuing received packets as well as sent packets that have not yet
been ACK'ed. Some known issues are documented, especially there's only limited
congestion control. I.e., we send immediately and in unlimited quantity, thus
its use should be restricted to local networks, and due to a fixed window size
there is potential for our socket being overrun with data packets before they
are read. Some corner cases like wrapping sequence numbers may cause a timeout.

The TCP implementation is based on Andrew S. Tanenbaum's "Computer Networks",
4th ed., as well as lecture notes from Prof. W. Effelsberg, the relevant RFCs
and Wikipedia. The pseudo-random number Galois LFSR used for the sequence
number was suggested by Endre Varga.

Since the code is unlikely to get much smaller, better merge it now so that
subsequent changes get easier to review. No platform actively uses TCP sockets
yet, and the receiving code has been reviewed for endianness issues and should
terminate okay after verifying the checksum if no sockets are open.
Based on a version tested with custom code (#5240) as well as with iSCSI.
Compile-tested boot_loader_openfirmware, pxehaiku-loader with gcc4 and
haiku_loader with gcc2. Closes ticket #5240.

Changes from #5240 proposed patch:
* Various bug fixes related to queuing, some memory leaks fixed.
* Never bump the sequence number when dequeuing a packet. It's done afterwards.
* Don't bump the sequence number again when resending the queue or ACK'ing.
* Aggressively ACK while waiting for packets.
* Don't queue sent ACK-only packets.
* More trace output, esp. for queue inspection.
* Adapted use of TCP header flags to r38434.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38472 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-08-31 01:00:06 +00:00
Andreas Färber
30743318f1 boot net: Style fixes
Fix style issue, pointed out by Axel.

No functional changes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38456 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-08-30 18:50:14 +00:00
Andreas Färber
df66656fec boot net: Preparations for TCP
Add protocol number and struct for TCP header.

First minuscule part of ticket #5240.
Checked that pxehaiku_loader still compiles, too.

Changes from proposed patch:
* Simplify struct by merging flags into one 8-bit field.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38434 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-08-29 22:12:17 +00:00
Andreas Färber
b96cb61620 boot net: Style fixes
No functional changes yet.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38431 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-08-29 21:34:16 +00:00
Andreas Färber
04ec719a70 Convert line endings to LF
In r33670 the svn:eol-style property was dropped, which took care of
locally converting the line endings to the user's native style.
While most files use Unix-style LF line endings, some files have
Windows-style CR LF line endings.

Assure that the following r37262 directories use Unix-style line endings:

src/system/boot/
src/system/boot/arch/
src/system/boot/arch/ppc/
src/system/boot/loader/
src/system/boot/loader/net/
src/system/boot/platform/
src/system/boot/platform/openfirmware/
src/system/boot/platform/openfirmware/arch/
src/system/boot/platform/openfirmware/arch/ppc/
src/system/kernel/
src/system/kernel/arch/
src/system/kernel/arch/ppc/
src/system/kernel/platform/
src/system/kernel/platform/openfirmware/
headers/private/kernel/
headers/private/kernel/arch/
headers/private/kernel/arch/ppc/
headers/private/kernel/platform/
headers/private/kernel/platform/openfirmware/
headers/private/kernel/boot/
headers/private/kernel/boot/net/
headers/private/kernel/boot/platform/
headers/private/kernel/boot/platform/openfirmware/

This avoids patches containing irrelevant lines unintentionally converted.

No functional changes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37265 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-06-26 17:38:03 +00:00
Axel Dörfler
63b69bec3c * Applied patch by Andreas Färber as part of #5319.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35522 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-02-19 16:44:55 +00:00
Ingo Weinhold
2a39e9e44e Made the remote_disk_server build under R5.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21945 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-08-14 14:54:09 +00:00
Marcus Overhagen
43792b9eed propagate required settings for the remote disk from boot loader to kernel (client-ip, server-ip, server-port)
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19780 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-01-12 22:27:48 +00:00
Marcus Overhagen
2f9a049400 add array indexed access to mac_addr_t
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19627 a95241bf-73f2-0310-859d-f6bbb57e9c96
2006-12-26 14:57:21 +00:00
Ingo Weinhold
d561d0ad68 Added a mini networking stack to the boot loader. It speaks basic ARP,
IP, and UDP, as well as a home brewn UDP based protocol, "remote disk",
which provides random access to a single remote file/device. The Open
Firmware flavored boot loader automatically initializes the net stack,
searches for a remote disk, and tries to boot from it, if the boot
device is a network device (e.g. when loading the boot loader via
TFTP).

This is quite nice for developing with a two-machine setup, since one
doesn't even need to install Haiku on the test machine anymore, but can
serve it directly from the development machine. When the networking
support in the kernel is working, this method could even be used to
fully boot, not just for loading kernel and initial modules.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15689 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-12-27 22:01:33 +00:00