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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_resp.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index ee68306555b9..64c64f5f36a8 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -387,7 +387,10 @@ static enum resp_states rxe_resp_check_length(struct rxe_qp *qp,
}
}
- return RESPST_CHK_RKEY;
+ if (pkt->mask & RXE_RDMA_OP_MASK)
+ return RESPST_CHK_RKEY;
+ else
+ return RESPST_EXECUTE;
}
/* if the reth length field is zero we can assume nothing
@@ -434,6 +437,10 @@ static enum resp_states check_rkey(struct rxe_qp *qp,
enum resp_states state;
int access = 0;
+ /* parse RETH or ATMETH header for first/only packets
+ * for va, length, rkey, etc. or use current value for
+ * middle/last packets.
+ */
if (pkt->mask & (RXE_READ_OR_WRITE_MASK | RXE_ATOMIC_WRITE_MASK)) {
if (pkt->mask & RXE_RETH_MASK)
qp_resp_from_reth(qp, pkt);
@@ -454,7 +461,8 @@ static enum resp_states check_rkey(struct rxe_qp *qp,
qp_resp_from_atmeth(qp, pkt);
access = IB_ACCESS_REMOTE_ATOMIC;
} else {
- return RESPST_EXECUTE;
+ /* shouldn't happen */
+ WARN_ON(1);
}
/* A zero-byte read or write op is not required to
@@ -1449,8 +1457,17 @@ static void flush_recv_queue(struct rxe_qp *qp, bool notify)
struct rxe_recv_wqe *wqe;
int err;
- if (qp->srq)
+ if (qp->srq) {
+ if (notify && qp->ibqp.event_handler) {
+ struct ib_event ev;
+
+ ev.device = qp->ibqp.device;
+ ev.element.qp = &qp->ibqp;
+ ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+ qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+ }
return;
+ }
while ((wqe = queue_head(q, q->type))) {
if (notify) {
@@ -1657,7 +1674,7 @@ int rxe_responder(struct rxe_qp *qp)
}
/* A non-zero return value will cause rxe_do_task to
- * exit its loop and end the tasklet. A zero return
+ * exit its loop and end the work item. A zero return
* will continue looping and return to rxe_responder
*/
done: