Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a58e58fa authored by Steve Wise's avatar Steve Wise Committed by Roland Dreier
Browse files

RDMA/cxgb3: Wrap the software send queue pointer as needed on flush 



cxio_flush_sq() was failing to wrap around the software send queue
causing garbage completion entries on a flush operation.

Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent f018c7e1

drivers/infiniband/hw/cxgb3/cxio_hal.c

+2 −2
Original line number Diff line number Diff line
@@ -405,11 +405,11 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count) 
	struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2);



	ptr = wq->sq_rptr + count;

	sqp += count;

	sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);

	while (ptr != wq->sq_wptr) {

		insert_sq_cqe(wq, cq, sqp);

		sqp++;

		ptr++;

		sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);

		flushed++;

	}

	return flushed;