ethdev: remove detachable device flag

This flag is not necessary at the ether layer anymore.
Buses are able to advertise their hotplug support. The ether layer can
rely upon this capability instead of a special flag.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

diff --git a/doc/guides/prog_guide/port_hotplug_framework.rst b/doc/guides/prog_guide/port_hotplug_framework.rst
index ee76577..fb0efc1 100644 (file)
--- a/doc/guides/prog_guide/port_hotplug_framework.rst
+++ b/doc/guides/prog_guide/port_hotplug_framework.rst
@@ -101,10 +101,6 @@ Limitations
 
 *       The framework can only be enabled with Linux. BSD is not supported.
 
-*       To detach a port, the port should be backed by a device that igb_uio
-        or VFIO manages.
-
 *       Not all PMDs support detaching feature.
-        To know whether a PMD can support detaching, search for the
-        "RTE_ETH_DEV_DETACHABLE" flag in rte_eth_dev::data::dev_flags. If the flag is
-        defined in the PMD, detaching is supported.
+        The underlying bus must support hot-unplug. If not supported,
+        the function ``rte_eth_dev_detach()`` will return negative ENOTSUP.

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index e4ca250..a2faa2e 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -48,14 +48,6 @@ Deprecation Notices
   Target release for removal of the legacy API will be defined once most
   PMDs have switched to rte_flow.
 
-* ethdev: The device flag advertizing hotplug capability
-  ``RTE_ETH_DEV_DETACHABLE`` is not needed anymore and will be removed in
-  v17.11.
-  This capability is verified upon calling the relevant hotplug functions in EAL
-  by checking that the ``unplug`` ops is set in the bus. This verification is
-  done by the EAL and not by the ``ethdev`` layer anymore. Users relying on this
-  flag being present only have to remove their checks to follow the change.
-
 * ethdev: new parameters - ``rte_security_capabilities`` and
   ``rte_security_ops`` will be added to ``rte_eth_dev_info`` and
   ``rte_eth_dev`` respectively  to support security operations like

diff --git a/doc/guides/rel_notes/release_17_11.rst b/doc/guides/rel_notes/release_17_11.rst
index 0622d10..dafa4ba 100644 (file)
--- a/doc/guides/rel_notes/release_17_11.rst
+++ b/doc/guides/rel_notes/release_17_11.rst
@@ -284,6 +284,12 @@ API Changes
   The size of internal device name is increased to 64 characters
   to allow for storing longer bus specific name.
 
+* **Ethdev flag RTE_ETH_DEV_DETACHABLE was removed**
+
+  This flag is not necessary anymore, with the new hotplug implementation.
+  It is now removed from the ether library. Its semantic is expressed at the bus
+  and PMD level.
+
 * **Service cores API updated for usability**
 
   The service cores API has been changed, removing pointers from the API

diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c
index 46b8250..c6b86a3 100644 (file)
--- a/drivers/net/af_packet/rte_eth_af_packet.c
+++ b/drivers/net/af_packet/rte_eth_af_packet.c
@@ -814,7 +814,6 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
 
        (*eth_dev)->data = data;
        (*eth_dev)->dev_ops = &ops;
-       (*eth_dev)->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
        return 0;
 

diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index dae1f3d..1760628 100644 (file)
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -342,7 +342,6 @@ eth_ark_dev_init(struct rte_eth_dev *dev)
        /* We are a single function multi-port device. */
        ret = ark_config_device(dev);
        dev->dev_ops = &ark_eth_dev_ops;
-       dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        dev->data->mac_addrs = rte_zmalloc("ark", ETHER_ADDR_LEN, 0);
        if (!dev->data->mac_addrs) {

diff --git a/drivers/net/avp/avp_ethdev.c b/drivers/net/avp/avp_ethdev.c
index b97a90c..d729b26 100644 (file)
--- a/drivers/net/avp/avp_ethdev.c
+++ b/drivers/net/avp/avp_ethdev.c
@@ -1004,8 +1004,6 @@ eth_avp_dev_init(struct rte_eth_dev *eth_dev)
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
 
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
-
        /* Check current migration status */
        if (avp_dev_migration_pending(eth_dev)) {
                PMD_DRV_LOG(ERR, "VM live migration operation in progress\n");

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index c2d54ef..8c9926b 100644 (file)
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -2800,7 +2800,6 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
                RTE_LOG(INFO, PMD, "%s\n", bnxt_version);
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        bp = eth_dev->data->dev_private;
 

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index 3fbc1b1..cbc7ddd 100644 (file)
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -2761,8 +2761,7 @@ bond_alloc(struct rte_vdev_device *dev, uint8_t mode)
        }
 
        eth_dev->dev_ops = &default_dev_ops;
-       eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
-               RTE_ETH_DEV_DETACHABLE;
+       eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC;
 
        rte_spinlock_init(&internals->lock);
 

diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
index 6ebfa6d..a599260 100644 (file)
--- a/drivers/net/e1000/em_ethdev.c
+++ b/drivers/net/e1000/em_ethdev.c
@@ -341,7 +341,6 @@ eth_em_dev_init(struct rte_eth_dev *eth_dev)
        }
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
        hw->device_id = pci_dev->id.device_id;

diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index 003bdf0..2fd679b 100644 (file)
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -818,7 +818,6 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev)
        }
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
 
@@ -1053,7 +1052,6 @@ eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
 
        pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->device_id = pci_dev->id.device_id;
        hw->vendor_id = pci_dev->id.vendor_id;

diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 7baa927..7a42906 100644 (file)
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -3019,7 +3019,6 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
        }
 
        rte_eth_copy_pci_info(dev, pdev);
-       dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
        memset(macvlan, 0, sizeof(*macvlan));

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 48db2dd..fdc150d 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1100,7 +1100,6 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
        intr_handle = &pci_dev->intr_handle;
 
        rte_eth_copy_pci_info(dev, pci_dev);
-       dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        pf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
        pf->adapter->eth_dev = dev;

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 9f14875..bc8bbca 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1461,7 +1461,6 @@ i40evf_dev_init(struct rte_eth_dev *eth_dev)
        i40e_set_default_ptype_table(eth_dev);
        i40e_set_default_pctype_table(eth_dev);
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->vendor_id = pci_dev->id.vendor_id;
        hw->device_id = pci_dev->id.device_id;

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index a873153..f74ff64 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1174,7 +1174,6 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
                return -ENOMEM;
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        /* Vendor and Device ID need to be set before init of shared code */
        hw->device_id = pci_dev->id.device_id;
@@ -1635,7 +1634,6 @@ eth_ixgbevf_dev_init(struct rte_eth_dev *eth_dev)
        }
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->device_id = pci_dev->id.device_id;
        hw->vendor_id = pci_dev->id.vendor_id;

diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index d290c79..d68ff7a 100644 (file)
--- a/drivers/net/kni/rte_eth_kni.c
+++ b/drivers/net/kni/rte_eth_kni.c
@@ -397,8 +397,6 @@ eth_kni_create(struct rte_vdev_device *vdev,
        eth_dev->data = data;
        eth_dev->dev_ops = &eth_kni_ops;
 
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
-
        internals->no_request_thread = args->no_request_thread;
 
        return eth_dev;

diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 239f6af..924eb26 100644 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -2079,7 +2079,6 @@ lio_eth_dev_init(struct rte_eth_dev *eth_dev)
                return 0;
 
        rte_eth_copy_pci_info(eth_dev, pdev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        if (pdev->mem_resource[0].addr) {
                lio_dev->hw_addr = pdev->mem_resource[0].addr;

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 9be875b..5d35a50 100644 (file)
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -637,7 +637,6 @@ mlx4_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                eth_dev->intr_handle = &priv->intr_handle;
                priv->dev = eth_dev;
                eth_dev->dev_ops = &mlx4_dev_ops;
-               eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
                /* Bring Ethernet device up. */
                DEBUG("forcing Ethernet interface up");
                mlx4_dev_set_link_up(priv->dev);

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 89fdc13..e3c9b89 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -918,7 +918,6 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                eth_dev->data->mac_addrs = priv->mac;
                eth_dev->device = &pci_dev->device;
                rte_eth_copy_pci_info(eth_dev, pci_dev);
-               eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
                eth_dev->device->driver = &mlx5_driver.driver;
                priv->dev = eth_dev;
                eth_dev->dev_ops = &mlx5_dev_ops;

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 0917b9c..b2ad20e 100644 (file)
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -2668,9 +2668,6 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
                return 0;
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       /* hotplug is not possible with multiport PF */
-       if (!hw->pf_multiport_enabled)
-               eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->device_id = pci_dev->id.device_id;
        hw->vendor_id = pci_dev->id.vendor_id;
@@ -3016,6 +3013,22 @@ static int eth_nfp_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 
 static int eth_nfp_pci_remove(struct rte_pci_device *pci_dev)
 {
+       struct rte_eth_dev *eth_dev;
+       struct nfp_net_hw *hw, *hwport0;
+       int port = 0;
+
+       eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
+       if ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) ||
+           (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) {
+               port = get_pf_port_number(eth_dev->data->name);
+               hwport0 = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+               hw = &hwport0[port];
+       } else {
+               hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+       }
+       /* hotplug is not possible with multiport PF */
+       if (!hw->pf_multiport_enabled)
+               return -ENOTSUP;
        return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 }
 

diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index 47c7b14..3433c9c 100644 (file)
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -542,8 +542,6 @@ eth_dev_null_create(struct rte_vdev_device *dev,
        eth_dev->data = data;
        eth_dev->dev_ops = &ops;
 
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
-
        /* finally assign rx and tx ops */
        if (packet_copy) {
                eth_dev->rx_pkt_burst = eth_null_copy_rx;

diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index 1b8a74e..3205df8 100644 (file)
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -840,7 +840,6 @@ pmd_init_internals(struct rte_vdev_device *vdev,
         */
        (*eth_dev)->data = data;
        (*eth_dev)->dev_ops = &ops;
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
        return 0;
 }

diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index 61473ca..d82d207 100644 (file)
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -358,7 +358,6 @@ do_eth_dev_ring_create(const char *name,
 
        eth_dev->data = data;
        eth_dev->dev_ops = &ops;
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
        data->kdrv = RTE_KDRV_NONE;
        data->numa_node = numa_node;
 

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index bd09191..cd82b0d 100644 (file)
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1791,8 +1791,6 @@ sfc_eth_dev_init(struct rte_eth_dev *dev)
        /* Copy PCI device info to the dev->data */
        rte_eth_copy_pci_info(dev, pci_dev);
 
-       dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
-
        rc = sfc_kvargs_parse(sa);
        if (rc != 0)
                goto fail_kvargs_parse;

diff --git a/drivers/net/softnic/rte_eth_softnic.c b/drivers/net/softnic/rte_eth_softnic.c
index 34dceae..abb617a 100644 (file)
--- a/drivers/net/softnic/rte_eth_softnic.c
+++ b/drivers/net/softnic/rte_eth_softnic.c
@@ -557,7 +557,6 @@ pmd_ethdev_register(struct rte_vdev_device *vdev,
        soft_dev->data->promiscuous = 1;
        soft_dev->data->kdrv = RTE_KDRV_NONE;
        soft_dev->data->numa_node = numa_node;
-       soft_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
        return 0;
 }

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index 61c6774..64dd3b0 100644 (file)
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -1268,7 +1268,7 @@ eth_dev_tap_create(struct rte_vdev_device *vdev, char *tap_name,
        /* Setup some default values */
        rte_memcpy(data, dev->data, sizeof(*data));
        data->dev_private = pmd;
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE | RTE_ETH_DEV_INTR_LSC;
+       data->dev_flags = RTE_ETH_DEV_INTR_LSC;
        data->numa_node = numa_node;
 
        data->dev_link = pmd_link;

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 3534649..f98c980 100644 (file)
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1086,8 +1086,7 @@ eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
        internal->max_queues = queues;
        data->dev_link = pmd_link;
        data->mac_addrs = eth_addr;
-       data->dev_flags =
-               RTE_ETH_DEV_DETACHABLE | RTE_ETH_DEV_INTR_LSC;
+       data->dev_flags = RTE_ETH_DEV_INTR_LSC;
 
        eth_dev->dev_ops = &ops;
 

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index bfbd737..d4354f9 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1384,7 +1384,6 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
                rte_eth_copy_pci_info(eth_dev, pci_dev);
        }
 
-       eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
        /* If host does not support both status and MSI-X then disable LSC */
        if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) && hw->use_msix)
                eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;

diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index 20b7292..0cfa27b 100644 (file)
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -376,7 +376,6 @@ virtio_user_eth_dev_alloc(struct rte_vdev_device *vdev)
        hw->use_simple_rx = 0;
        hw->use_simple_tx = 0;
        hw->virtio_user_dev = dev;
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
        return eth_dev;
 }
 

diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 58bc4f2..6f5cadf 100644 (file)
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -309,7 +309,6 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
                return 0;
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        /* Vendor and Device ID need to be set before init of shared code */
        hw->device_id = pci_dev->id.device_id;

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 67ecc6a..3d9a8aa 100644 (file)
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1814,8 +1814,6 @@ struct rte_eth_dev_data {
        /**< VLAN filter configuration. */
 };
 
-/** Device supports hotplug detach */
-#define RTE_ETH_DEV_DETACHABLE   0x0001
 /** Device supports link state interrupt */
 #define RTE_ETH_DEV_INTR_LSC     0x0002
 /** Device is a bonded slave */