From: Chengguang Xu <cgxu519@mykernel.net>
Date: Mon, 2 May 2022 05:39:07 +0000 (-0400)
Subject: RDMA/rxe: Skip adjusting remote addr for write in retry operation
X-Git-Tag: v5.19-rc1~126^2~29
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1a7085b34291a266a0413795c27061eb707104f7;p=thirdparty%2Fkernel%2Flinux.git

RDMA/rxe: Skip adjusting remote addr for write in retry operation

For write request the remote addr will be sent only with first packet so
we don't have to adjust wqe->iova in retry operation.

Link: https://lore.kernel.org/r/20220502053907.6388-1-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index c99d1b24352c7..e85a529699de1 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -33,8 +33,6 @@ static inline void retry_first_write_send(struct rxe_qp *qp,
 		} else {
 			advance_dma_data(&wqe->dma, to_send);
 		}
-		if (mask & WR_WRITE_MASK)
-			wqe->iova += qp->mtu;
 	}
 }