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xCAT Network Boot Agent
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Michael Brown 27884298a3 [intel] Avoid completely filling the TX descriptor ring 
It is unclear from the datasheets whether or not the TX ring can be
completely filled (i.e. whether writing the tail value as equal to the
current head value will cause the ring to be treated as completely
full or completely empty).  It is very plausible that this edge case
could differ in behaviour between real hardware and the many
implementations of an emulated Intel NIC found in various virtual
machines.  Err on the side of caution and always leave at least one
ring entry empty.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2014-04-22 13:12:54 +01:00
contrib [errdb] Strip platform error code for non-platform-generated errors 2013-04-29 15:36:32 +01:00
src [intel] Avoid completely filling the TX descriptor ring 2014-04-22 13:12:54 +01:00
COPYING Initial revision 2005-05-17 16:44:57 +00:00
COPYRIGHTS [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00
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