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Subject[PATCH 06/13] IB/ehca: Set SEND_GRH flag for all non-LL UD QPs on eHCA2
Date
From: Stefan Roscher <stefan.roscher@de.ibm.com>

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
---
drivers/infiniband/hw/ehca/ehca_qp.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index ffd1ce9..cbb8b5b 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -1054,6 +1054,17 @@ static int internal_modify_qp(struct ib_qp *ibqp,
"ehca_qp=%p qp_num=%x <VALID STATE CHANGE> qp_state_xsit=%x",
my_qp, ibqp->qp_num, statetrans);

+ /* eHCA2 rev2 and higher require the SEND_GRH_FLAG to be set
+ * in non-LL UD QPs.
+ */
+ if ((my_qp->qp_type == IB_QPT_UD) &&
+ (my_qp->ext_type != EQPT_LLQP) &&
+ (statetrans == IB_QPST_INIT2RTR) &&
+ (shca->hw_level >= 0x22)){
+ update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1);
+ mqpcb->send_grh_flag = 1;
+ }
+
/* sqe -> rts: set purge bit of bad wqe before actual trans */
if ((my_qp->qp_type == IB_QPT_UD ||
my_qp->qp_type == IB_QPT_GSI ||
--
1.5.2

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