diff mbox series

[v2,2/2] SGE buffer and max_inline data must have same size

Message ID 1574106879-19211-3-git-send-email-rao.shoaib@oracle.com (mailing list archive)
State Superseded
Delegated to: Jason Gunthorpe
Headers show
Series rxe should use same buffer size for SGE's and inline data | expand

Commit Message

Shoaib Rao Nov. 18, 2019, 7:54 p.m. UTC 
From: Rao Shoaib <rao.shoaib@oracle.com>

SGE buffer size and max_inline data should be same. Maximum of the
two values requested is used.

Signed-off-by: Rao Shoaib <rao.shoaib@oracle.com>
---
 drivers/infiniband/sw/rxe/rxe_qp.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index 323e43d..1062f60 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -238,18 +238,17 @@  static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp,
 		return err;
 	qp->sk->sk->sk_user_data = qp;
 
-	qp->sq.max_wr		= init->cap.max_send_wr;
-	qp->sq.max_sge		= init->cap.max_send_sge;
-	qp->sq.max_inline	= init->cap.max_inline_data;
-
-	wqe_size = max_t(int, sizeof(struct rxe_send_wqe) +
-			 qp->sq.max_sge * sizeof(struct ib_sge),
-			 sizeof(struct rxe_send_wqe) +
-			 qp->sq.max_inline);
-
-	qp->sq.queue = rxe_queue_init(rxe,
-				      &qp->sq.max_wr,
-				      wqe_size);
+	wqe_size = max_t(int, init->cap.max_send_sge * sizeof(struct ib_sge),
+			 init->cap.max_inline_data);
+	qp->sq.max_sge = wqe_size/sizeof(struct ib_sge);
+	qp->sq.max_inline = wqe_size;
+
+	wqe_size += sizeof(struct rxe_send_wqe);
+
+	qp->sq.max_wr = init->cap.max_send_wr;
+
+	qp->sq.queue = rxe_queue_init(rxe, &qp->sq.max_wr, wqe_size);
+
 	if (!qp->sq.queue)
 		return -ENOMEM;