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authorBryan O'Sullivan <bos@pathscale.com>2006-09-28 09:00:14 -0700
committerRoland Dreier <rolandd@cisco.com>2006-09-28 11:16:55 -0700
commit8d0208cb59a43bf867e16b977c34c4d6cd618f59 (patch)
treedb5d04d6d0f823118f063d061c9188b57304d19f /drivers/infiniband/hw/ipath/ipath_qp.c
parent1fd3b40fde3bfacdf742cadfe99cfd47ffd05219 (diff)
IB/ipath: Flush RWQEs if access error or invalid error seen
If the receiver goes into the error state, we need to flush the posted receive WQEs. Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_qp.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_qp.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index ecfaca7a571..46c1c89bf6a 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -335,6 +335,7 @@ static void ipath_reset_qp(struct ipath_qp *qp)
qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
qp->r_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
qp->r_nak_state = 0;
+ qp->r_wrid_valid = 0;
qp->s_rnr_timeout = 0;
qp->s_head = 0;
qp->s_tail = 0;
@@ -353,12 +354,13 @@ static void ipath_reset_qp(struct ipath_qp *qp)
/**
* ipath_error_qp - put a QP into an error state
* @qp: the QP to put into an error state
+ * @err: the receive completion error to signal if a RWQE is active
*
* Flushes both send and receive work queues.
* QP s_lock should be held and interrupts disabled.
*/
-void ipath_error_qp(struct ipath_qp *qp)
+void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
{
struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
struct ib_wc wc;
@@ -374,7 +376,6 @@ void ipath_error_qp(struct ipath_qp *qp)
list_del_init(&qp->piowait);
spin_unlock(&dev->pending_lock);
- wc.status = IB_WC_WR_FLUSH_ERR;
wc.vendor_err = 0;
wc.byte_len = 0;
wc.imm_data = 0;
@@ -386,6 +387,12 @@ void ipath_error_qp(struct ipath_qp *qp)
wc.sl = 0;
wc.dlid_path_bits = 0;
wc.port_num = 0;
+ if (qp->r_wrid_valid) {
+ qp->r_wrid_valid = 0;
+ wc.status = err;
+ ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
+ }
+ wc.status = IB_WC_WR_FLUSH_ERR;
while (qp->s_last != qp->s_head) {
struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
@@ -502,7 +509,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
break;
case IB_QPS_ERR:
- ipath_error_qp(qp);
+ ipath_error_qp(qp, IB_WC_GENERAL_ERR);
break;
default: