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ath5k_beacon_update_timers - update beacon timers

void ath5k_beacon_update_timers (struct ath5k_softc * sc, u64 bc_tsf)

Arguments

sc

struct ath5k_softc pointer we are operating on

bc_tsf

the timestamp of the beacon. 0 to reset the TSF. -1 to perform a beacon timer update based on the current HW TSF.

Description

Calculate the next target beacon transmit time (TBTT) based on the timestamp of a received beacon or the current local hardware TSF and write it to the beacon timer registers.

This is called in a variety of situations, e.g. when a beacon is received, when a TSF update has been detected, but also when an new IBSS is created or when we otherwise know we have to update the timers, but we keep it in this function to have it all together in one place.

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ath5k_beacon_config - Configure the beacon queues and interrupts

void ath5k_beacon_config (struct ath5k_softc * sc)

Arguments

sc

struct ath5k_softc pointer we are operating on

Description

When operating in station mode we want to receive a BMISS interrupt when we stop seeing beacons from the AP we've associated with so we can look for another AP to associate with.

In IBSS mode we use a self-linked tx descriptor if possible. We enable SWBA interrupts to detect TSF updates only.

AP mode is missing.

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