+/**
+ * Supported Rx mode toggles.
+ *
+ * Even and odd values respectively stand for off and on.
+ */
+enum rxmode_toggle {
+ RXMODE_TOGGLE_PROMISC_OFF,
+ RXMODE_TOGGLE_PROMISC_ON,
+ RXMODE_TOGGLE_ALLMULTI_OFF,
+ RXMODE_TOGGLE_ALLMULTI_ON,
+};
+
+/**
+ * Helper function to toggle promiscuous and all multicast modes.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param toggle
+ * Toggle to set.
+ */
+static void
+mlx4_rxmode_toggle(struct rte_eth_dev *dev, enum rxmode_toggle toggle)
+{
+ struct priv *priv = dev->data->dev_private;
+ const char *mode;
+ struct rte_flow_error error;
+
+ switch (toggle) {
+ case RXMODE_TOGGLE_PROMISC_OFF:
+ case RXMODE_TOGGLE_PROMISC_ON:
+ mode = "promiscuous";
+ dev->data->promiscuous = toggle & 1;
+ break;
+ case RXMODE_TOGGLE_ALLMULTI_OFF:
+ case RXMODE_TOGGLE_ALLMULTI_ON:
+ mode = "all multicast";
+ dev->data->all_multicast = toggle & 1;
+ break;
+ }
+ if (!mlx4_flow_sync(priv, &error))
+ return;
+ ERROR("cannot toggle %s mode (code %d, \"%s\"),"
+ " flow error type %d, cause %p, message: %s",
+ mode, rte_errno, strerror(rte_errno), error.type, error.cause,
+ error.message ? error.message : "(unspecified)");
+}
+
+/**
+ * DPDK callback to enable promiscuous mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_promiscuous_enable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_PROMISC_ON);
+}
+
+/**
+ * DPDK callback to disable promiscuous mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_promiscuous_disable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_PROMISC_OFF);
+}
+
+/**
+ * DPDK callback to enable all multicast mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_allmulticast_enable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_ALLMULTI_ON);
+}
+
+/**
+ * DPDK callback to disable all multicast mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_allmulticast_disable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_ALLMULTI_OFF);
+}
+