Bluetooth: Controller: Replace prepare pipeline with ordered list #79444
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Fix delayed ULL scheduling an auxiliary PDU reception by skipping it. When many bufferred ADV_EXT_IND are to be processed, the ULL scheduling could get late and then cause the scan aux LLL to detect increased overhead start timing. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Fix implementation of single switch timer minimum compare value requirement. Do not always add the maximum possible radio latency duration, but check if the required compare value is smaller, then use the remainder required as the extra compare value. This fix reduces latencies to setup radio receptions and fixes an assertion in lll_scan_aux when radio_tmr_start_us() is checked for latencies. Relates to commit bcd28e0 ("Bluetooth: Controller: Fix sw switch single timer for spurious TXEN/RXEN"). Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Fix to setup correct short prepare timeout when preempt callback does not find the prepare in the head of the pipeline. In this case, find the short prepare and setup a fresh preempt timeout for the determined short prepare present in the pipeline. Relates to commit 7d1bc17 ("Bluetooth: Controller: Fix short prepare preempt timeout start"). Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Replace prepare pipeline with ordered linked list. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
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Replace prepare pipeline with ordered linked list.