Commit 3b87e082 authored by Bob Pearson's avatar Bob Pearson Committed by Jason Gunthorpe
Browse files

RDMA/rxe: Convert kernel UD post send to use ah_num 

Modify ib_post_send for kernel UD sends to put the AH index into the WQE
instead of the address vector.

Link: https://lore.kernel.org/r/20211007204051.10086-7-rpearsonhpe@gmail.com


Signed-off-by: default avatarBob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent e2fe06c9

drivers/infiniband/sw/rxe/rxe_verbs.c

+3 −6
Original line number Diff line number Diff line
@@ -534,8 +534,11 @@ 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)
@@ -607,12 +610,6 @@ 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