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1375e3ba9d
linux/net/mac802154
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Miquel Raynal 1375e3ba9d mac802154: Send beacons using the MLME Tx path 
Using ieee802154_subif_start_xmit() to bypass the net queue when
sending beacons is broken because it does not acquire the
HARD_TX_LOCK(), hence not preventing datagram buffers to be smashed by
beacons upon contention situation. Using the mlme_tx helper is not the
best fit either but at least it is not buggy and has little-to-no
performance hit. More details are given in the comment explaining this
choice in the code.

Fixes: 3accf47627 ("mac802154: Handle basic beaconing")
Reported-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20230214135035.1202471-5-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2023-02-18 16:44:53 +01:00
..
cfg.c mac802154: Handle basic beaconing 2023-01-28 13:55:10 +01:00
cfg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
driver-ops.h mac802154: set filter at drv_start() 2022-10-12 12:56:58 +02:00
ieee802154_i.h mac802154: Handle basic beaconing 2023-01-28 13:55:10 +01:00
iface.c mac802154: Handle basic beaconing 2023-01-28 13:55:10 +01:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
llsec.c mac802154: Handle basic beaconing 2023-01-28 13:55:10 +01:00
llsec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
mac_cmd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
main.c mac802154: Handle basic beaconing 2023-01-28 13:55:10 +01:00
Makefile mac802154: Handle passive scanning 2023-01-03 19:48:43 +01:00
mib.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
rx.c mac802154: Handle passive scanning 2023-01-03 19:48:43 +01:00
scan.c mac802154: Send beacons using the MLME Tx path 2023-02-18 16:44:53 +01:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h mac802154: Trace the registration of new PANs 2022-11-29 15:34:32 +01:00
tx.c mac802154: Add MLME Tx locked helpers 2023-01-03 19:45:44 +01:00
util.c net: mac802154: Fixup function parameter name in docs 2022-10-26 09:40:34 +02:00