netdev - [PATCH 5/5] iw_cxgb4: Don't limit TPTE count to 32KB

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Date:	Mon, 21 Jul 2014 20:55:16 +0530
From:	Hariprasad Shenai <hariprasad@...lsio.com>
To:	netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Cc:	davem@...emloft.net, roland@...estorage.com,
	swise@...ngridcomputing.com, leedom@...lsio.com,
	nirranjan@...lsio.com, kumaras@...lsio.com, anish@...lsio.com,
	Hariprasad Shenai <hariprasad@...lsio.com>
Subject: [PATCH 5/5] iw_cxgb4: Don't limit TPTE count to 32KB

Use the size advertised by FW

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@...lsio.com>
---
 drivers/infiniband/hw/cxgb4/iw_cxgb4.h |    2 +-
 drivers/infiniband/hw/cxgb4/t4.h       |    1 -
 2 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index 69f047c..c378fd2 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -193,7 +193,7 @@ static inline int c4iw_fatal_error(struct c4iw_rdev *rdev)
 
 static inline int c4iw_num_stags(struct c4iw_rdev *rdev)
 {
-	return min((int)T4_MAX_NUM_STAG, (int)(rdev->lldi.vr->stag.size >> 5));
+	return (int)(rdev->lldi.vr->stag.size >> 5);
 }
 
 #define C4IW_WR_TO (30*HZ)
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index 641ab55..df5edfa 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -37,7 +37,6 @@
 #include "t4fw_ri_api.h"
 
 #define T4_MAX_NUM_PD 65536
-#define T4_MAX_NUM_STAG (1<<15)
 #define T4_MAX_MR_SIZE (~0ULL)
 #define T4_PAGESIZE_MASK 0xffff000  /* 4KB-128MB */
 #define T4_STAG_UNSET 0xffffffff
-- 
1.7.1

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