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Michael Brown c4c03e5be8 [netdevice] Allow duplicate MAC addresses 
Many laptops now include the ability to specify a "system-specific MAC
address" (also known as "pass-through MAC"), which is supposed to be
used for both the onboard NIC and for any attached docking station or
other USB NIC.  This is intended to simplify interoperability with
software or hardware that relies on a MAC address to recognise an
individual machine: for example, a deployment server may associate the
MAC address with a particular operating system image to be deployed.
This therefore creates legitimate situations in which duplicate MAC
addresses may exist within the same system.

As described in commit 98d09a1 ("[netdevice] Avoid registering
duplicate network devices"), the Xen netfront driver relies on the
rejection of duplicate MAC addresses in order to inhibit registration
of the emulated PCI devices that a Xen PV-HVM guest will create to
shadow each of the paravirtual network devices.

Move the code that rejects duplicate MAC addresses from the network
device core to the Xen netfront driver, to allow for the existence of
duplicate MAC addresses in non-Xen setups.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2023-01-15 00:42:52 +00:00
.github/workflows [linux] Use host glibc system call wrappers 2021-02-28 23:28:23 +00:00
contrib [cloud] Allow aws-import script to run on Python 3.6 2022-04-06 14:36:07 +01:00
src [netdevice] Allow duplicate MAC addresses 2023-01-15 00:42:52 +00:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org