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path: root/drivers/net/ieee802154/atusb.c
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* ieee802154: atusb: do not use the stack for buffers to make them DMA ableStefan Schmidt2017-01-26
| | | | | | | | | | | | | | commit 05a974efa4bdf6e2a150e3f27dc6fcf0a9ad5655 upstream. From 4.9 we should really avoid using the stack here as this will not be DMA able on various platforms. This changes the buffers already being present in time of 4.9 being released. This should go into stable as well. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* atusb: don't change csma settings while set channelAlexander Aring2016-07-08
| | | | | | | | | | This patch fixes the behaviour to not overwrite csma settings when set channel afterwards. Cc: Stefan Schmidt <stefan@osg.samsung.com> Acked-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: atusb: update my copyright years for this driverStefan Schmidt2016-04-20
| | | | | Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: atusb: implement .set_cca_mode ops callbackStefan Schmidt2016-04-20
| | | | | | | Catching up with the stack here and implement CCA mode setting. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: atusb: implement .set_cca_ed_level ops callbackStefan Schmidt2016-04-20
| | | | | | | Catching up with the stack here and implement CCA ED level setting. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: atusb: implement .set_csma_params ops callbackStefan Schmidt2016-04-20
| | | | | | | Catching up with the stack here and implement CSMA parameter setting. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154-atusb: Delete an unnecessary check before the function call ↵Markus Elfring2015-12-10
| | | | | | | | | | | | | "kfree_skb" The kfree_skb() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* atusb: add handling for different chipnamesAlexander Aring2015-09-17
| | | | | | | | | | This patch supports handling for printout different chipnames between atusb and rzusb. The rzusb contains an at86rf230 and atusb an at86rf231 transceiver. Cc: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* mac802154: remove aack hw flagAlexander Aring2015-06-07
| | | | | | | | | | | | | | | This patch removes the hardware auto acknowdledge flag which indicates that the transceiver supports this handling. This flag is never evaluated inside mac802154 and all transceivers should support this handling by default per hardware. Suggested-by: Lennert Buytenhek <buytenh@wantstofly.org> Cc: Alan Ott <alan@signal11.us> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Stefan Schmidt <stefan@osg.samsung.com> Acked-by: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154/atusb: Add .set_promiscuous_mode driver operationStefan Schmidt2015-05-31
| | | | | | | | | Allow monitor mode operation with disabled AACK in hardware. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154/atusb: Add .set_txpower operation to the driverStefan Schmidt2015-05-31
| | | | | | | | | | Atusb uses the at86rf231 transceiver so we can use the same calculation for txpower settings for it. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154/atusb: Add function for partial register writesStefan Schmidt2015-05-31
| | | | | | | | | | | | | | | | With this function we can set individual bits in the registers if needed. With the old SR_VALUE macro we could only set one bit in the register which was ok for some scenarios but not for all. With this subreg write function we can now set more bits defined by the mask while not touching the rest. We start using it for the current SR_VALUE use case and will use it more in upcoming patches. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* atusb: add support for at86rf230Alexander Aring2015-05-27
| | | | | | | | | This patch adds support for the at86rf230 version check which is used by the rzusb stick. 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>
* ieee802154/atusb: Set default ed level to 0xbe like the rest of these driversStefan Schmidt2015-05-21
| | | | | | Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154/atusb: Mark driver as AACK enabled in hardware.Stefan Schmidt2015-05-21
| | | | | | | | | Since firmware version 0.2 we use AACK handling directly in the firmware. Inform the stack that the hardware supports and uses it. Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154/atusb: Warn about outdated device firmware.Stefan Schmidt2015-05-21
| | | | | | | | | | | | | | Together with mainlining the driver we released a first public binary version of the device firmware. This is version 0.2. With this change we warn users who run outdated versions of the firmware. While we have not seen problems with it yet (thus no error, but a warning only) it would be better to run the released and tested firmware. You can find released versions here: http://downloads.qi-hardware.com/people/werner/wpan/web/ Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* ieee802154: add support for atusb transceiverAlexander Aring2015-05-19
This patch adds support for the atusb transceiver. The current driver supports basic functionality only. Possible further tasks would be to sync functionality with the at86rf230 driver, because the atusb use internally an at86rf231 transceiver. Some of these features need a firmware update like AACK and ARET handling. I did small changes to this driver to work with xmit_async callback and setting of a random extended perm address. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Cc: Werner Almesberger <werner@almesberger.net> Cc: Stefan Schmidt <s.schmidt@samsung.com> Cc: Richard Sharpe <realrichardsharpe@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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