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authorTom Tucker <tom@ogc.us>2011-10-25 11:08:30 (GMT)
committerRoland Dreier <roland@purestorage.com>2011-10-31 18:36:08 (GMT)
commitd32ae393dbf0daf778f9e33b0bc6591cd102391e (patch)
treea2f79e3e262ebb1454c737fc074e14b6f5e5a020 /drivers/infiniband
parent581bbe2cd0694a935e0c3ccd7f011e10094f1df6 (diff)
downloadlinux-fsl-qoriq-d32ae393dbf0daf778f9e33b0bc6591cd102391e.tar.xz
RDMA/cxgb4: Mark QP in error before disabling the queue in firmware
QPs need to be moved to error before telling the firwmare to shutdown the queue. Otherwise, the application can submit WRs that will never get fetched by the hardware and never flushed by the driver. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Acked-by: Steve Wise <swsie@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 62c7262..2466cfc 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1221,6 +1221,8 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
disconnect = 1;
c4iw_get_ep(&qhp->ep->com);
}
+ if (qhp->ibqp.uobject)
+ t4_set_wq_in_error(&qhp->wq);
ret = rdma_fini(rhp, qhp, ep);
if (ret)
goto err;
@@ -1237,6 +1239,8 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
break;
case C4IW_QP_STATE_ERROR:
set_state(qhp, C4IW_QP_STATE_ERROR);
+ if (qhp->ibqp.uobject)
+ t4_set_wq_in_error(&qhp->wq);
if (!internal) {
abort = 1;
disconnect = 1;