On Wed, Jan 05, 2022 at 05:12:36PM -0500, yanjun.zhu@xxxxxxxxx wrote: > From: Zhu Yanjun <yanjun.zhu@xxxxxxxxx> > > Use the standard method to produce udp source port. > > Signed-off-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxx> > --- > drivers/infiniband/sw/rxe/rxe_verbs.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c > index 0aa0d7e52773..42fa81b455de 100644 > --- a/drivers/infiniband/sw/rxe/rxe_verbs.c > +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c > @@ -469,6 +469,12 @@ static int rxe_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, > if (err) > goto err1; > > + if ((mask & IB_QP_AV) && (attr->ah_attr.ah_flags & IB_AH_GRH)) You are leaving src_port default and wired to same port as other QPs without any randomization. Thanks > + qp->src_port = rdma_get_udp_sport(attr->ah_attr.grh.flow_label, > + qp->ibqp.qp_num, > + qp->attr.dest_qp_num); > + > + > return 0; > > err1: > -- > 2.27.0 >