fm10k: support Xen domain0

[dpdk.git] / drivers / net / mlx4 / mlx4.c

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 631ab02..f4491e7 100644 (file)
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -1534,6 +1534,13 @@ txq_setup(struct rte_eth_dev *dev, struct txq *txq, uint16_t desc,
                .intf_scope = IBV_EXP_INTF_GLOBAL,
                .intf = IBV_EXP_INTF_QP_BURST,
                .obj = tmpl.qp,
+#ifdef HAVE_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK
+               /* MC loopback must be disabled when not using a VF. */
+               .family_flags =
+                       (!priv->vf ?
+                        IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK :
+                        0),
+#endif
        };
        tmpl.if_qp = ibv_exp_query_intf(priv->ctx, &attr.params, &status);
        if (tmpl.if_qp == NULL) {