netdev - [PATCHv3 net-next 06/31] iw_cxgb4: cap CQ size at T4_MAX_IQ

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Message-Id: <1393936917-25847-7-git-send-email-hariprasad@chelsio.com>
Date:	Tue,  4 Mar 2014 18:11:32 +0530
From:	Hariprasad Shenai <hariprasad@...lsio.com>
To:	netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Cc:	davem@...emloft.net, roland@...estorage.com, kumaras@...lsio.com,
	dm@...lsio.com, swise@...ngridcomputing.com, leedom@...lsio.com,
	santosh@...lsio.com, hariprasad@...lsio.com, nirranjan@...lsio.com
Subject: [PATCHv3 net-next 06/31] iw_cxgb4: cap CQ size at T4_MAX_IQ_SIZE.

From: Steve Wise <swise@...ngridcomputing.com>

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
---
 drivers/infiniband/hw/cxgb4/cq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 88de3aa..c0673ac 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -881,7 +881,7 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
 	/*
 	 * Make actual HW queue 2x to avoid cdix_inc overflows.
 	 */
-	hwentries = entries * 2;
+	hwentries = min(entries * 2, T4_MAX_IQ_SIZE);
 
 	/*
 	 * Make HW queue at least 64 entries so GTS updates aren't too
-- 
1.8.4

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