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author | Michael Brown | 2009-08-09 21:38:35 +0200 |
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committer | Michael Brown | 2009-08-10 23:19:39 +0200 |
commit | 0b1222f2332e89bcece1912ec6058479b45f62f1 (patch) | |
tree | cc096a5cfeff20073da09c710121a90bc5decf2e /LOG | |
parent | [scsi] Make LUN a property of the SCSI backend only (diff) | |
download | ipxe-0b1222f2332e89bcece1912ec6058479b45f62f1.tar.gz ipxe-0b1222f2332e89bcece1912ec6058479b45f62f1.tar.xz ipxe-0b1222f2332e89bcece1912ec6058479b45f62f1.zip |
[hermon] Randomise the high-order bits of queue pair numbers
The Infiniband Communication Manager will refuse to establish a
connection if it believes the connection is already established.
There is no immediately obvious way to ask it to tear down the
existing connection and replace it; to issue a DREP we would need to
know the local and remote communication IDs used for the previous
connection setup.
We can work around this by randomising the high-order bits of the
queue pair number; these have no significance to the hardware, but are
sufficient to convince the IB CM that this is a different connection.
Diffstat (limited to 'LOG')
0 files changed, 0 insertions, 0 deletions