RDMA/hns: Modify LSN init value

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Send io constructs a scenario where rq wqe is
insufficient. The performance of 1620 is to
resend all messages and does not satisfy the
limit wqe scenario.

Feature or Bugfix: Bugfix
Signed-off-by: Nwangsirong <wangsirong@huawei.com>
Signed-off-by: Nliyangyang (M) <liyangyang20@huawei.com>
Reviewed-by: Nliuyixian <liuyixian@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -4357,7 +4357,7 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp,
 		       V2_QPC_BYTE_212_CHECK_FLG_S, 0);
 
 	roce_set_field(context->byte_212_lsn, V2_QPC_BYTE_212_LSN_M,
-		       V2_QPC_BYTE_212_LSN_S, 0x100);
+		       V2_QPC_BYTE_212_LSN_S, 0);
 	roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_LSN_M,
 		       V2_QPC_BYTE_212_LSN_S, 0);