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[for-next,v4,6/6] RDMA/rxe: Convert kernel UD post send to use ah_num

Message ID 20210930042603.4318-7-rpearsonhpe@gmail.com (mailing list archive)
State Superseded
Delegated to: Jason Gunthorpe
Headers show
Series Replace AV by AH in UD sends | expand

Commit Message

Bob Pearson Sept. 30, 2021, 4:26 a.m. UTC 
Modify ib_post_send for kernel UD sends to put the AH index into the
WQE instead of the address vector.

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_verbs.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 8854ace63acd..b808777e2221 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -537,8 +537,11 @@  static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
 	if (qp_type(qp) == IB_QPT_UD ||
 	    qp_type(qp) == IB_QPT_SMI ||
 	    qp_type(qp) == IB_QPT_GSI) {
+		struct ib_ah *ibah = ud_wr(ibwr)->ah;
+
 		wr->wr.ud.remote_qpn = ud_wr(ibwr)->remote_qpn;
 		wr->wr.ud.remote_qkey = ud_wr(ibwr)->remote_qkey;
+		wr->wr.ud.ah_num = to_rah(ibah)->ah_num;
 		if (qp_type(qp) == IB_QPT_GSI)
 			wr->wr.ud.pkey_index = ud_wr(ibwr)->pkey_index;
 		if (wr->opcode == IB_WR_SEND_WITH_IMM)
@@ -610,12 +613,6 @@  static void init_send_wqe(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
 		return;
 	}
 
-	if (qp_type(qp) == IB_QPT_UD ||
-	    qp_type(qp) == IB_QPT_SMI ||
-	    qp_type(qp) == IB_QPT_GSI)
-		memcpy(&wqe->wr.wr.ud.av, &to_rah(ud_wr(ibwr)->ah)->av,
-		       sizeof(struct rxe_av));
-
 	if (unlikely(ibwr->send_flags & IB_SEND_INLINE))
 		copy_inline_data_to_wqe(wqe, ibwr);
 	else