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2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174Thomas Gleixner1-9/+1
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-30drivers: add explicit interrupt.h includesFlorian Westphal1-0/+1
These files all use functions declared in interrupt.h, but currently rely on implicit inclusion of this file (via netns/xfrm.h). That won't work anymore when the flow cache is removed so include that header where needed. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mac802154: Fix memory corruption with global deferred transmit state.Lennert Buytenhek1-0/+4
When transmitting a packet via a mac802154 driver that can sleep in its transmit function, mac802154 defers the call to the driver's transmit function to a per-device workqueue. However, mac802154 uses a single global work_struct for this, which means that if you have more than one registered mac802154 interface in the system, and you transmit on more than one of them at the same time, you'll very easily cause memory corruption. This patch moves the deferred transmit processing state from global variables to struct ieee802154_local, and this seems to fix the memory corruption issue. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-23mac802154: fix ieee802154_rx handlingVarka Bhadram1-1/+1
Instead of passing ieee802154_hw pointer to ieee802154_rx, we can directly pass the ieee802154_local pointer. Signed-off-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-23mac802154: do not export ieee802154_rx()Varka Bhadram1-0/+1
Right now there are no other users for ieee802154_rx() in kernel. So lets remove EXPORT_SYMBOL() for this. Also it moves the function prototype from global header file to local header file. Signed-off-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-23mac802154: cfg: add suspend and resume callbacksAlexander Aring1-0/+1
This patch introduces suspend and resume callbacks to mac802154. When doing suspend we calling the stop driver callback which should stop the receiving of frames. A transceiver should go into low-power mode then. Calling resume will call the start driver callback, which starts receiving again and allow to transmit frames. This was tested only with the fakelb driver and a qemu vm by doing the following commands: echo "devices" > /sys/power/pm_test echo "freeze" > /sys/power/state while doing some high traffic between two fakelb phys. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-23mac802154: util: add stop_device utility functionAlexander Aring1-0/+1
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>
2015-07-23mac802154: remove unused macroVarka Bhadram1-2/+0
This patch removes the unused macro which was removed with the rework of linux-wpan kernel. Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-23mac802154: add llsec address update workaroundAlexander Aring1-0/+2
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>
2015-06-07mac802154: remove unneeded vif structAlexander Aring1-2/+0
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>
2015-05-23mac802154: remove mib lockAlexander Aring1-6/+0
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>
2015-05-23mac802154: use atomic ops for sequence incrementationAlexander Aring1-1/+0
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>
2015-04-30cfg802154: pass name_assign_type to rdev_add_virtual_intf()Varka Bhadram1-1/+2
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>
2014-11-17ieee802154: add del interface commandAlexander Aring1-0/+6
This patch adds support for deleting a wpan interface via nl802154. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-11-17ieee802154: setting extended address while iface addAlexander Aring1-1/+1
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>
2014-11-17mac802154: remove wpan_dev parameter in if_addAlexander Aring1-1/+1
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>
2014-11-17mac802154: use new nl802154 iftype typesAlexander Aring1-1/+2
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>
2014-11-17mac802154: remove unused prototypesAlexander Aring1-6/+0
This patch removes some prototypes which are not used anymore. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-11-13mac802154: add interframe spacing time handlingAlexander Aring1-0/+4
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>
2014-11-12mac802154: add ifname change notifierAlexander Aring1-0/+3
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>
2014-11-12mac802154: add wpan_phy priv idAlexander Aring1-0/+3
This patch adds an unique id for an wpan_phy. This behaviour is mostly grabbed from wireless stack. This is needed for upcomming patches which identify the wpan netdev while NETDEV_CHANGENAME in netdev notify function. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-11-12mac820154: move interface unregistration into ifaceAlexander Aring1-0/+1
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>
2014-11-09mac802154: remove mac_params in sdataAlexander Aring1-2/+0
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>
2014-11-09mac802154: move mac pib attributes into wpan_devAlexander Aring1-10/+0
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>
2014-11-05mac802154: fix typo promisuous to promiscuousAlexander Aring1-1/+1
Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-11-05mac802154: add ieee802154_vif structAlexander Aring1-1/+2
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>
2014-11-05ieee802154: rework interface registrationAlexander Aring1-0/+4
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>
2014-11-05mac802154: move interface add handling in ifaceAlexander Aring1-0/+3
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>
2014-11-05mac802154: move interface del handling in ifaceAlexander Aring1-1/+1
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>
2014-11-02mac802154: set extended address filter on ifupAlexander Aring1-1/+0
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>
2014-11-02cfg802154: convert deprecated iface add and delAlexander Aring1-0/+4
This patch removes the wpan_phy callbacks for add and del an interface on a phy. Instead we introduce deprecated cfg802154 callbacks for this. Furthermore we introduce a new netlink interface nl802154 which use different callbacks. The deprecated function is to have a backwards compatibility with the current netlink interface. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-30mac802154: add basic support for monitorAlexander Aring1-0/+1
This patch adds basic support for monitor mode. Also change the open call that we set the transceiver mac setting on an interface up. Futher patches will add a better handling while interface up an interface. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: move mac_params functions into mac_cmdAlexander Aring1-5/+0
These functions can be static in mac_cmd file. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: remove channel attributes from sdataAlexander Aring1-3/+0
These channel attributes was part of "channel context switch while xmit" which was removed by commit dc67c6b30f36d57b70b70547a30e7a8432540c6f ("mac802154: tx: remove xmit channel context switch"). This patch removes these unnecessary variables and use the current_page and current_channel by wpan_phy struct now. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: move local started handlingAlexander Aring1-7/+0
This patch removes the current handling of started boolean. This is actually dead code, because mac802154_netdev_register can't never be called before ieee802154_register_hw. This means that local->started is always be true when mac802154_netdev_register is called. Instead we using this now like mac80211 to indicate that an instance of sdata is running. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: rename running to startedAlexander Aring1-1/+1
This variable should be handled like ieee80211_local struct of mac80211. We rename this variable to started now to have the same name convention. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: rework sdata state change to runningAlexander Aring1-1/+11
This patch reworks the handling for setting the state like mac80211. We use bit's instead a bool variable. The mutex is not needed because it use test and set bits which are atomic operations. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: declare struct ieee802154_ops as constAlexander Aring1-1/+1
The ieee802154_ops structure should be never changed during runtime. This patch declare this structure as const to avoid a runtime change. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Cc: Alan Ott <alan@signal11.us> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-29mac802154: main: move open and close into ifaceAlexander Aring1-3/+0
These functions can be static inside the iface file, because it's not used anywhere else. This patch moves these functions into iface file. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-27mac802154: tx: remove monitor receive while xmitAlexander Aring1-1/+0
This removes the call of monitor receive funktion when any interface type call xmit. There exist no such use case that a monitor interface should receive the actual sending frame. One use case could be that a wpan interface and monitor interface could be running at the same time on one phy. Then the monitor interface receives the wpan frames also. Furthermore we adding support for promiscous mode setting. With promiscous mode setting we can't run a wpan and monitor interface at the same time. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-27mac802154: rx: move receive handling into rx.cAlexander Aring1-1/+0
This patch removes all relevant receiving functions inclusive frame parsing into rx file. Like mac80211 we should implement the complete receive handling and parsing in this file. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-27mac802154: rx: use tasklet instead workqueueAlexander Aring1-0/+7
Tasklets have much less overhead than workqueues. This patch also removes the heap allocation for the worker on receiving path. Like mac80211 we should prefer use a tasklet here instead a workqueue to getting fast out of interrupt context when ieee802154_rx_irqsafe is called by driver. Like wireless inside the tasklet context we should call netif_receive_skb instead netif_rx_ni anymore. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-26mac802154: tx: change naming conventionAlexander Aring1-2/+4
This patch changes the naming convention of the tx functions like mac80211. Just with an 802154 instead 80211 inside the name. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-26mac802154: tx: move xmit callback to tx fileAlexander Aring1-3/+2
This patch moves the netdev xmit callback functions into the tx.c file. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25mac802154: rename dev_workqueue to workqueueAlexander Aring1-1/+1
Small rename to use the name workqueue than dev_workqueue. To bring the same naming convention like wireless into 802.15.4. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25mac802154: introduce IEEE802154_DEV_TO_SUB_IFAlexander Aring1-0/+6
This function adds a wrapper to call netdev_priv to getting the sdata attribute. This is similar like the IEEE80211_DEV_TO_SUB_IF function inside wireless stack implementation. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25mac802154: introduce hw_to_local functionAlexander Aring1-2/+6
This patch replace the mac802154_to_priv macro with a static inline function named hw_to_local. This brings a similar naming convention like mac80211 stack. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25mac802154: rename sdata slaves and slaves_mtxAlexander Aring1-2/+2
This patch renamens the slaves attribute in sdata to interfaces and slaves_mtx to iflist_mtx. This is similar like the mac80211 stack naming convention. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25mac802154: rename hw subif_data variable to localAlexander Aring1-1/+1
This patch renames the hw attribute in struct ieee802154_sub_if_data to local. This avoid confusing with the struct ieee802154_hw hw; inside of local struct. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25mac802154: rename mac802154_sub_if_dataAlexander Aring1-1/+1
Like wireless this structure should named ieee802154_sub_if_data and not mac802154_sub_if_data. This patch renames the struct and variables to sdata instead priv sometimes. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>