Messages in this thread Patch in this message | | | From | Joachim Fenkes <> | Subject | [PATCH 06/13] IB/ehca: Set SEND_GRH flag for all non-LL UD QPs on eHCA2 | Date | Mon, 9 Jul 2007 15:27:13 +0200 |
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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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