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Implement the core hooks in order to provide the softMAC layer support
for passive scans. Scans are requested by the user and can be aborted.
Changing channels manually is prohibited during scans.
The implementation uses a workqueue triggered at a certain interval
depending on the symbol duration for the current channel and the
duration order provided. More advanced drivers with internal scheduling
capabilities might require additional care but there is none mainline
yet.
Received beacons during a passive scan are processed in a work queue and
their result forwarded to the upper layer.
Active scanning is not supported yet.
Co-developed-by: David Girault <[email protected]>
Signed-off-by: David Girault <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Acked-by: Alexander Aring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stefan Schmidt <[email protected]>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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That's the default now, no need for makefiles to set it.
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Kalle Valo <[email protected]>
Acked-by: Marcel Holtmann <[email protected]>
Acked-by: Marc Kleine-Budde <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Arend van Spriel <[email protected]>
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This patch adds trace events for driver operations.
Signed-off-by: Varka Bhadram <[email protected]>
Acked-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
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This patch introduces mac802154_config_ops struct. Like wireless this
struct should be the only one interface between ieee802154 to mac802154
or possible HardMAC drivers.
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
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This patch removes the monitor implementation file and put all monitor
stuff into iface file. It's now small enough to put all necessary
handling into iface.
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
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This patch adds a new file net/mac802154/util.c which contains utility
functions for drivers, etc. This file contains functions to start and
stop queues for all virtual interfaces, this is useful for asynchronous
handling by driver level.
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
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The wpan.c file contains the interface handling functions now. It's similar
like the mac80211 iface.c file. This patch renames this file to iface.c to
have similar naming convention in mac802154.
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
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The ieee802154_dev functionality contains various function for
allocation and registration of an ieee802154_dev. This is equal to the
net/mac80211/main.c file. This patch rename the ieee802154_dev.c to
main.c to have the same behaviour.
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
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This patch adds containers and mutators for the major ieee802154_llsec
structures to mac802154. Most of the (rather simple) ieee802154_llsec
structs are wrapped only to provide an rcu_head for orderly disposal,
but some structs - llsec keys notably - require more complex
bookkeeping.
Since each llsec key may be referenced by a number of llsec key table
entries (with differing key ids, but the same actual key), we want to
save memory and not allocate crypto transforms for each entry in the
table. Thus, the mac802154 llsec key is reference-counted instead.
Further, each key will have four associated crypto transforms - three
CCM transforms for the authsizes 4/8/16 and one CTR transform for
unauthenticated encryption. If we had a CCM* transform that allowed
authsize 0, and authsize as part of requests instead of transforms, this
would not be necessary.
Signed-off-by: Phoebe Buckheister <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Enable sparse warnings about endianness, replace the remaining fields
regarding network operations without explicit endianness annotations
with such that are annotated, and propagate this through the entire
stack.
Uses of ieee802154_addr_sa are not changed yet, this patch is only
concerned with all other fields (such as address filters, operation
parameters and the likes).
Signed-off-by: Phoebe Buckheister <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Every real 802.15.4 transceiver, which works with software MAC layer,
can be classified as a wpan device in this stack. So the wpan device
implementation provides missing link in datapath between the device
drivers and the Linux network queue.
According to the IEEE 802.15.4 standard each packet can be one of the
following types:
- beacon
- MAC layer command
- ACK
- data
This patch adds support for the data packet-type only, but this is
enough to perform data transmission and receiving over radio.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Support for monitor device intended to capture all the network activity.
This interface could be used by networks sniffers and is already
supported by WireShark. That's a good test point to check that basic
MAC support works.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Basic support for IEEE 802.15.4 management information base.
Current implementation contains a command to set HW address only.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Declare set of MAC-commands for reduced functionality interface.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Main TX data path implementation between upper and physical layers.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Main RX data path implementation between physical and mac layers.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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An interface to allocate and register ieee802154 compatible device.
The allocated device has the following representation in memory:
+-----------------------+
| struct wpan_phy |
+-----------------------+
| struct mac802154_priv |
+-----------------------+
| driver's private data |
+-----------------------+
Used by device drivers to register new instance in the stack.
Signed-off-by: Alexander Smirnov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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