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Felix Fietkau
fb6a584e71
With chanctx drivers using hardware scan or remain-on-channel, mac80211 does not know when the radio goes off-channel, which breaks its software beacon loss detection. Implement per-link beacon monitoring in the driver. Track the last beacon timestamp per link and check for beacon loss periodically from the mac_work handler. Beacon monitoring is initialized on association and on late link activation, and cleared on disassociation. The beacon_mon_last timestamp is reset when returning from offchannel and after channel switches to prevent false beacon loss detection. Signed-off-by: Felix Fietkau <[email protected]>