The cookie counter is currently protected by the wiphy mutex, but in order to be able to transmit management frames without holding that, we need to assign cookies atomically. Link: https://patch.msgid.link/20261009201417.ec1dbc786a60.I83ec404d833100a798181234c797c558400c7145@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>