[PATCH for-next v2 5/5] RDMA/rxe: Convert kernel UD post send to use ah_num
From: Bob Pearson <hidden>
Date: 2021-07-18 21:27:43
Subsystem:
infiniband subsystem, soft-roce driver (rxe), the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Zhu Yanjun, Linus Torvalds
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 <redacted> --- drivers/infiniband/sw/rxe/rxe_verbs.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 1cc12c913e39..5d63e276306c 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c@@ -558,8 +558,11 @@ 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)
@@ -631,12 +634,6 @@ 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
--
2.30.2