The atomic operation not support to inline. Besides, the standard atomic operation only support a sge and the sge place in wqe. This patch mainly ajdust the code. Fix: d92b0f5("libhns: Add atomic support for hip08 user mode") Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx> --- providers/hns/hns_roce_u_hw_v2.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c index b155c3d..449b6cb 100644 --- a/providers/hns/hns_roce_u_hw_v2.c +++ b/providers/hns/hns_roce_u_hw_v2.c @@ -686,8 +686,6 @@ static int hns_roce_u_v2_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr, rc_sq_wqe->rkey = htole32(wr->wr.atomic.rkey); rc_sq_wqe->va = htole64(wr->wr.atomic.remote_addr); - wqe += sizeof(struct hns_roce_v2_wqe_data_seg); - set_atomic_seg(wqe, wr); break; case IBV_WR_ATOMIC_FETCH_AND_ADD: @@ -698,8 +696,6 @@ static int hns_roce_u_v2_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr, rc_sq_wqe->rkey = htole32(wr->wr.atomic.rkey); rc_sq_wqe->va = htole64(wr->wr.atomic.remote_addr); - wqe += sizeof(struct hns_roce_v2_wqe_data_seg); - set_atomic_seg(wqe, wr); break; default: roce_set_field(rc_sq_wqe->byte_4, @@ -718,14 +714,13 @@ static int hns_roce_u_v2_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr, break; } + dseg = wqe; if (wr->opcode == IBV_WR_ATOMIC_FETCH_AND_ADD || - wr->opcode == IBV_WR_ATOMIC_CMP_AND_SWP) - dseg = wqe - sizeof(struct hns_roce_v2_wqe_data_seg); - else - dseg = wqe; - - /* Inline */ - if (wr->send_flags & IBV_SEND_INLINE && wr->num_sge) { + wr->opcode == IBV_WR_ATOMIC_CMP_AND_SWP) { + set_data_seg_v2(dseg, wr->sg_list); + wqe += sizeof(struct hns_roce_v2_wqe_data_seg); + set_atomic_seg(wqe, wr); + } else if (wr->send_flags & IBV_SEND_INLINE && wr->num_sge) { if (le32toh(rc_sq_wqe->msg_len) > qp->max_inline_data) { ret = EINVAL; *bad_wr = wr; -- 1.9.1