From: Vipul Pandya <vipul@chelsio.com>
Date: Fri, 18 May 2012 09:59:30 +0000 (+0530)
Subject: RDMA/cxgb4: DB Drop Recovery for RDMA and LLD queues
X-Git-Tag: v3.5-rc1~171^2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=422eea0a8cf658bc9564726d74e8384b89a8f4fa;p=pandora-kernel.git

RDMA/cxgb4: DB Drop Recovery for RDMA and LLD queues

Add module option db_fc_threshold which is the count of active QPs
that trigger automatic db flow control mode.  Automatically transition
to/from flow control mode when the active qp count crosses
db_fc_theshold.

Add more db debugfs stats

On DB DROP event from the LLD, recover all the iwarp queues.

Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

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