Users Guide

7–RoCE Configuration
Configuring RoCE on the Adapter for Windows Server
139 AH0054602-00 M
Requestor
CQEs
flushed
with error
Posted work requests may be
flushed by sending completions with
a flush status to the CQ (without
completing the actual execution of
the work request) if the QP moves to
an error state for any reason and
pending work requests exist. If a
work request completed with error
status, all other pending work
requests for that QP are flushed.
Yes Yes Occurs when the
RDMA connection is
down.
Requestor
Local
length
The RDMA Read response message
contained too much or too little pay-
load data.
Yes Yes Usually indicates an
issue with the host soft-
ware components.
Requestor
local
protection
The locally posted work request’s
data segment does not reference a
memory region that is valid for the
requested operation.
Yes Yes Usually indicates an
issue with the host soft-
ware components.
Requestor
local QP
operation
An internal QP consistency error
was detected while processing this
work request.
Yes Yes —
Requestor
Remote
access
A protection error occurred on a
remote data buffer to be read by an
RDMA Read, written by an RDMA
Write, or accessed by an atomic
operation.
Yes Yes —
Requestor
Remote
Invalid
request
The remote side received an invalid
message on the channel. The invalid
request may have been a Send mes-
sage or an RDMA request.
Yes Yes Possible causes
include the operation is
not supported by this
receive queue, insuffi-
cient buffering to
receive a new RDMA or
atomic operation
request, or the length
specified in an RDMA
request is greater than
231 bytes.
Table 7-3. Marvell FastLinQ RDMA Error Counters (Continued)
RDMA Error
Counter
Description
Applies
to
RoCE?
Applies
to
iWARP?
Troubleshooting