Re: [PATCH] [PATCH 08/21] IB/hfi1: Adjust default MTU to be 10KB

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On Mon, Apr 18, 2016 at 10:07:08AM +0300, Leon Romanovsky wrote:

diff --git a/drivers/staging/rdma/hfi1/qp.c b/drivers/staging/rdma/hfi1/qp.c
index 29a5ad2..e68d08a 100644
--- a/drivers/staging/rdma/hfi1/qp.c
+++ b/drivers/staging/rdma/hfi1/qp.c
@@ -167,8 +167,12 @@ static inline int opa_mtu_enum_to_int(int mtu)
  */
 static inline int verbs_mtu_enum_to_int(struct ib_device *dev, enum ib_mtu mtu)
 {
-	int val = opa_mtu_enum_to_int((int)mtu);
+	int val;
+ /* Constraining 10KB packets to 8KB packets */
+	if (mtu == (enum ib_mtu)OPA_MTU_10240)
+		mtu = OPA_MTU_8192;
+	val = opa_mtu_enum_to_int((int)mtu);

Just spotted my attention,
Curious names, castings and type conversions.


Is there a question being implied here? I'm not clear on what kind of response you are looking for here.

-Denny
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