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* mac802154: change frame_retries behaviourAlexander Aring2015-08-101-2/+1Star
| | | | | | | | | | | | | | | | | | | This patch changes the default minimum value of frame_retries to 0 and changes the frame_retries default value to 3 which is also 802.15.4 default. We don't use the frame_retries "-1" value as indicator for no-aret mode anymore, instead we checking on the ack request bit inside the 802.15.4 frame control field. This allows a acknowledge handling per frame. This checking is done by transceiver or inside xmit callback of driver layer. If a transceiver doesn't support ARET handling the transmit functionality ignores ack frames then, which isn't well but should not effect anything of current functionality. Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: fix wpan mac setting while lowpan is thereAlexander Aring2015-08-101-0/+15
| | | | | | | | | | | | | | | | | | | | If we currently change the mac address inside the wpan interface while we have a lowpan interface on top of the wpan interface, the mac address setting doesn't reach the lowpan interface. The effect would be that the IPv6 lowpan interface has the old SLAAC address and isn't working anymore because the lowpan interface use in internal mechanism sometimes dev->addr which is the old mac address of the wpan interface. This patch checks if a wpan interface belongs to lowpan interface, if yes then we need to check if the lowpan interface is down and change the mac address also at the lowpan interface. When the lowpan interface will be set up afterwards, it will use the correct SLAAC address which based on the updated mac address setting. Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Tested-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: util: add stop_device utility functionAlexander Aring2015-07-231-5/+2Star
| | | | | | | | This patch adds ieee802154_stop_device for preparing a utility function to stop the ieee802154 device. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: add llsec address update workaroundAlexander Aring2015-07-231-1/+6
| | | | | | | | | | | | | This patch adds a workaround for using the new nl802154 netlink interface with the old ieee802154 netlink interface togehter. The nl802154 currently supports no access for llsec layer, currently there are users outside which are using both interfaces at the same time. This patch adds a necessary call when addresses are updated. Reported-by: Simon Vincent <simon.vincent@xsilon.com> Suggested-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: iface: cleanup stack variableAlexander Aring2015-06-171-1/+1
| | | | | | | | There is no need to init res with zero, res can be unused but then we returning zero and not res. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: iface: fix order while interface upAlexander Aring2015-06-171-48/+55
| | | | | | | | | | | | | This patch moves the hardware setting before calling the driver start callback which activates the receive handling. The hardware setup contains settings like address filtering which should be setup before activate the receive handling on the transceiver. These setting are protected by ieee802154_check_concurrent_iface check. This means we need to set these registers once before calling drv_start and can't be overwritten by other interfaces. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: iface: flush workqueue before stopAlexander Aring2015-06-151-0/+1
| | | | | | | | | This patch flushs the workqueue which is currently used for xmit_sync callback before calling stop driver-ops. Flush the queue will ensure all pending tx frames are transmitted. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: iface: fix hrtimer cancel on ifdownAlexander Aring2015-06-151-3/+3
| | | | | | | | | | | The interframe spacing timer is a per phy definition and is part of a ieee802154_local structure. If we have possible multiple interfaces ifdown one interface then the timer should not be cancled. First if the last interface is down and the receive handling is stopped we should be sure that the interframe spacing timer isn't run anymore. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154/iface: remove superfluous WARN_ON call in slave_open()Stefan Schmidt2015-06-091-1/+0Star
| | | | | | | | | | This call was used before we aligned our code with the wireless code base. We are wanted to handle this in the err: code path. Which would actually not work because the WARN_ON() macro would reset the res value to 0 and thus we would never hit err:. Removing it makes the code do what we actually intend. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove unneeded vif structAlexander Aring2015-06-071-5/+4Star
| | | | | | | | | | | | | | This patch removes the virtual interface structure from sub if data struct, because it isn't used anywhere. This structure could be useful for give per interface information at softmac driver layer. Nevertheless there exist no use case currently and it contains the interface type information currently. This information is also stored inside wpan dev which is now used to check on the wpan dev interface type. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: Fix EUI-64 station address validation.Lennert Buytenhek2015-05-311-2/+2
| | | | | | | | | Refuse to allow setting an EUI-64 group address as an interface address, as those are not valid station addresses. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: Avoid rtnl deadlock in mac802154_wpan_ioctl().Lennert Buytenhek2015-05-261-0/+3
| | | | | | | | | | | | | | | ->ndo_do_ioctl() can be entered with the rtnl lock already held, for example when sending a wext ioctl to a device (in which case the rtnl lock is taken by wext_ioctl_dispatch()), but mac802154_wpan_ioctl() currently unconditionally takes the rtnl lock on entry, which can cause deadlocks. To fix this, bail out of mac802154_wpan_ioctl() before taking the rtnl lock if the ioctl cmd is not one of the cmds we implement. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove mib lockAlexander Aring2015-05-231-8/+0Star
| | | | | | | | | | | | | | | This patch removes the mib lock. The new locking mechanism is to protect the mib values with the rtnl lock. Note that this isn't always necessary if we have an interface up the most mib values are readonly (e.g. address settings). With this behaviour we can remove locking in hotpath like frame parsing completely. It depends on context if we need to hold the rtnl lock or not, this makes the callbacks of ieee802154_mlme_ops unnecessary because these callbacks hols always the locks. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: use atomic ops for sequence incrementationAlexander Aring2015-05-231-3/+6
| | | | | | | | | | | This patch will use atomic operations for sequence number incrementation while MAC header generation. Upper layers like af_802154 or 6LoWPAN could call this function in a parallel context while generating 802.15.4 MAC header before queuing into wpan interfaces transmit queue. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove pib lockAlexander Aring2015-05-231-7/+0Star
| | | | | | | | | | This patch removes the pib lock which is now replaced by rtnl lock. The new interface already use the rtnl lock only. Nevertheless this patch will fix issues while using new and old interface at the same time. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: fix hold rtnl while ioctlAlexander Aring2015-05-231-2/+3
| | | | | | | | | | | | This patch fixes an issue to set address configuration with ioctl. Accessing the mib requires rtnl lock and the ndo_do_ioctl doesn't hold the rtnl lock while this callback is called. This patch do that manually. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reported-by: Matteo Petracca <matteo.petracca@sssup.it> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* cfg802154: pass name_assign_type to rdev_add_virtual_intf()Varka Bhadram2015-04-301-2/+3
| | | | | | | | | | | | | | | This code is based on commit 6bab2e19c5ffd ("cfg80211: pass name_assign_type to rdev_add_virtual_intf()") This will expose in sysfs whether the ifname of a IEEE-802.15.4 device is set by userspace or generated by the kernel. We are using two types of name_assign_types o NET_NAME_ENUM: Default interface name provided by kernel o NET_NAME_USER: Interface name provided by user. Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: cleanup concurrent checkAlexander Aring2015-03-271-14/+6Star
| | | | | | | | This patch cleanups the checking of different mac phy depended values by handling depended mac settings per hw support flag in one condition. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: iface: move multiple node type checkAlexander Aring2014-12-201-14/+9Star
| | | | | | | | This patch moves the handling for checking on multiple node type interface to the corresponding concurrent iface check function. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: iface: check concurrent ifacesAlexander Aring2014-12-201-0/+77
| | | | | | | | | | This patch adds a check for concurrent interfaces while calling interface up. This avoids to have different mac parameters on one phy. Otherwise it could be that a interface can overwrite current phy mac settings which is set by an another interface. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove unnecessary if statementVarka Bhadram2014-11-261-5/+3Star
| | | | | | | | | | | | | | | Removes unnecessary if statement check for net device. Error check performed after alloc_netdev(). ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, name, NET_NAME_UNKNOWN, ieee802154_if_setup); if (!ndev) return ERR_PTR(-ENOMEM); .. Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: setting extended address while iface addAlexander Aring2014-11-171-4/+8
| | | | | | | | | | | This patch adds support for setting an extended address while registration a new interface. If ieee802154_is_valid_extended_addr getting as parameter and invalid extended address then the perm address is fallback. This is useful to make some default handling while for example default registration of a wpan interface while phy registration. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove wpan_dev parameter in if_addAlexander Aring2014-11-171-4/+1Star
| | | | | | | | | | This parameter was grabbed from wireless implementation with the identically wireless dev struct. We don't need this right now and so we remove it. Maybe we will add it later again if we found any real reason to have such parameter. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: use new nl802154 iftype typesAlexander Aring2014-11-171-9/+9
| | | | | | | | | | | | | This patch replace the depracted IEEE802154_DEV to the new introduced NL802154_IFTYPE_NODE types. There is a backwards compatibility to have the identical types for both enum definitions. Also remove some inlcude issue with "linux/nl802154.h", because the export nl_policy inside this header it was always necessary to have an include of "net/rtnetlink.h" before. The reason for this is more complicated. Nevertheless we removed this now, because "linux/nl802154.h" is the depracted netlink interface. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: add interframe spacing time handlingAlexander Aring2014-11-131-0/+2
| | | | | | | | | | | | | | | | | | | This patch adds a new interframe spacing time handling into mac802154 layer. Interframe spacing time is a time period between each transmit. This patch adds a high resolution timer into mac802154 and starts on xmit complete with corresponding interframe spacing expire time if ifs_handling is true. We make it variable because it depends if interframe spacing time is handled by transceiver or mac802154. At the timer complete function we wake the netdev queue again. This avoids new frame transmit in range of interframe spacing time. For synced driver we add no handling of interframe spacing time. This is currently a lack of support in all synced xmit drivers. I suppose it's working because the latency of workqueue which is needed to call spi_sync. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: add ifname change notifierAlexander Aring2014-11-121-0/+35
| | | | | | | | | This patch adds a netdev notifier for interface renaming. We have a name attribute inside of subif data struct. This is needed to have always the actual netdev name in sdata name attribute. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac820154: move mutex locks out of loopAlexander Aring2014-11-121-2/+2
| | | | | | | | Instead of always re-lock the iflist_mtx at multiple interfaces we lock the complete for each loop at start and at the end. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac820154: rename sdata next to tmpAlexander Aring2014-11-121-2/+2
| | | | | | | | This patch is just a cleanup to name the temporary variable for protected list for each loop as tmp. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac820154: move interface unregistration into ifaceAlexander Aring2014-11-121-0/+13
| | | | | | | | | This patch move the iface unregistration into iface.c file to have a behaviour which is similar like mac80211. Also iface handling should be inside iface.c file only. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: protect address changes via ioctlAlexander Aring2014-11-091-0/+7
| | | | | | | | | This patch adds a netif_running check while trying to change the address attributes via ioctl. While netif_running is true these attributes should be only readable. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac820154: don't set monitor dev_addrAlexander Aring2014-11-091-1/+3
| | | | | | | | | | This patch removes the setting of dev_addr on a monitor device. This address should be zero. A monitor should only sniff and send raw frames out. The address should be never used by upper layers and receiving frame parsing. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: add iftype to wpan_devAlexander Aring2014-11-091-0/+1
| | | | | | | | | This patch adds an iftype argument to the wpan_dev. This is needed to get the interface type from netdev ieee802154_ptr. The subif data struct can only accessible in mac802154 branch. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove mac_params in sdataAlexander Aring2014-11-091-10/+9Star
| | | | | | | | This patch removes the mac_params from subif data struct. Instead we manipulate the wpan attributes directly. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: move mac pib attributes into wpan_devAlexander Aring2014-11-091-24/+31
| | | | | | | | | | | This patch moves all mac pib attributes into the wpan_dev struct. Furthermore we can easier access these attributes over the netdev 802154_ptr pointer. Currently this is only possible over a complicated callback structure in mac802154 because subif data structure is accessable inside mac802154 only. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: fix typo promisuous to promiscuousAlexander Aring2014-11-051-3/+3
| | | | | Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: use IEEE802154_EXTENDED_ADDR_LENAlexander Aring2014-11-051-3/+2Star
| | | | | | | | | | This patch removes the af_ieee802154 defines and use the IEEE802154_EXTENDED_ADDR_LEN. We should do this everywhere in the 802.15.4 subsystem because af_ieee802154 should be normally an uapi header. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: add support for perm_extended_addrAlexander Aring2014-11-051-0/+4
| | | | | | | | | | This patch adding support for a perm extended address. This is useful when a device supports an eeprom with a programmed static extended address. If a device doesn't support such eeprom or serial registers then the driver should generate a random extended address. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: cleanup ieee802154_netdev_to_extended_addrAlexander Aring2014-11-051-1/+1
| | | | | | | | | This patch cleanups the ieee802154_be64_to_le64 to have a similar function like ieee802154_le64_to_be64 only with switched source and destionation types. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: add ieee802154_vif structAlexander Aring2014-11-051-5/+6
| | | | | | | | | | This patch adds an ieee802154_vif similar like the ieee80211_vif which holds the interface type and maybe further more attributes like the ieee80211_vif structure. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Cc: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: remove mlme get_phy callbackAlexander Aring2014-11-051-1/+0Star
| | | | | | | | | | This patch removes the get_phy callback from mlme ops structure. Instead we doing a dereference via ieee802154_ptr dev pointer. For backwards compatibility we need to run get_device after dereference wpan_phy via ieee802154_ptr. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: rework interface registrationAlexander Aring2014-11-051-81/+77Star
| | | | | | | | | | | | | | This patch meld mac802154_netdev_register into ieee802154_if_add function. Also we have now only one alloc_netdev call with one interface setup routine "ieee802154_if_setup" instead two different one for each interface type. This patch checks via runtime the interface type and do different handling now. Additional we add the wpan_dev struct in ieee802154_sub_if_data and set the new ieee802154_ptr while netdev registration. This behaviour is very similar the mac80211 netdev registration functionality. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: move dev_hold out of ieee802154_if_addAlexander Aring2014-11-051-1/+0Star
| | | | | | | | | This patch moves the dev_hold call inside of nl-phy ieee802154_add_iface function. The ieee802154_add_iface is the only one function which use the ieee802154_if_add function and contains the corresponding dev_put call. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: move interface add handling in ifaceAlexander Aring2014-11-051-0/+66
| | | | | | | | | | This patch moves and renames the mac802154_add_iface and mac802154_netdev_register functions into iface.c. The function mac802154_add_iface is renamed to ieee802154_if_add which is a similar naming convention like mac80211. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: move interface del handling in ifaceAlexander Aring2014-11-051-0/+12
| | | | | | | | | This patch moves and rename the mac802154_del_iface function into iface.c and rename the function to ieee802154_if_remove which is a similar naming convention like mac80211. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: remove unnecessary functionsAlexander Aring2014-11-021-22/+0Star
| | | | | | | | | | This patch fixes commit c7420c367d63a7e1414e010afb52c3837fd9134e ("mac802154: move mac_params functions into mac_cmd"). The mac_params functions wasn't deleted by this commit. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reported-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: iface: add validation for extended addressAlexander Aring2014-11-021-2/+6
| | | | | | | | This patch use the validation function to check if an extended address is valid or not while set the extended address. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: move phy settings into netlink receiveAlexander Aring2014-11-021-19/+0Star
| | | | | | | | | | | | All PHY attributes should be directly set to the transceiver after netlink. MAC attributes should be set by interface up. Currently the macparams netlink cmd contains mixed attributes of phy and mac settings. This patch moves all phy settings to the netlink receive function for setting macparams. This is the only way which doesn't change the userspace API and keep the deprecated netlink interface alive. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: set panid address filter on ifupAlexander Aring2014-11-021-0/+4
| | | | | | | | | | | This patch moves the setting of hardware panid address filtering inside of interface up instead doing it it directly inside of netlink interface. The netlink call which can only be called when netif isn't running sets only the necessary panid value in sdata. After an interface up the address filter will be set with this value. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: set short address filter on ifupAlexander Aring2014-11-021-0/+4
| | | | | | | | | | | This patch moves the setting of hardware short address filtering inside of interface up instead doing it it directly inside of netlink interface. The netlink call which can only be called when netif isn't running sets only the necessary short_addr value in sdata. After an interface up the address filter will be set with this value. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: set extended address filter on ifupAlexander Aring2014-11-021-1/+9
| | | | | | | | | | This patch moves the setting of hardware extended address filtering inside of interface up instead doing it directly inside of netlink interface. Also we don't need to set the sdata extended attribute in netlink. This is already done by ndo_set_mac_address of net_device_ops. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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