From b298881fcf52b04f073d64e4c584ac050506d7b9 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Tue, 6 Aug 2013 21:04:38 +0530
Subject: [PATCH] RDMA/cxgb4: Always do GTS write if cidx_inc == CIDXINC_MASK

When polling, we do a GTS update if the accumulated cidx_inc == the CQ
depth / 16.  However, if the CQ is large enough, Cq depth / 16 exceeds
the size of the field in the GTS word.  So we also need to update if
cidx_inc hits CIDXINC_MASK to avoid overflowing the field.

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