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Bluetooth: Controller: revert to event callback inside radio ISR

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In order that host can continue a connection event by
enqueuing packets, the number of completed packets event
needs to be generated as soon it arrives on air. Hence, the
Controller now calls the radio_event_callback on every radio
Rx complete ISR.

The callback executes at the Radio ISR priority, take care
to only do as little as necessary in the callback, say, just
a semaphore give to wake up the hci_driver's thread.

Change-id: If48afd0f1390d450bc1e7ec66f1c9fd45208d9a4
Signed-off-by: Vinayak Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>
This commit is contained in:
Vinayak Chettimada 2017-01-03 16:36:08 +01:00 • committed by Johan Hedberg
commit 2d064eef89
1 changed files with 8 additions and 0 deletions
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8
subsys/bluetooth/controller/ll/ctrl.c
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@ -5964,12 +5964,20 @@ static struct radio_pdu_node_rx *packet_rx_reserve_get(uint8_t count)
static void packet_rx_callback(void)
{
/* Inline call of callback. If JOB configured as lower priority then
* callback will tailchain at end of every radio ISR. If JOB configured
* as same then call inline so as to have callback for every radio ISR.
*/
#if (RADIO_TICKER_USER_ID_WORKER_PRIO == RADIO_TICKER_USER_ID_JOB_PRIO)
radio_event_callback();
#else
static void *s_link[2];
static struct mayfly s_mfy_callback = {0, 0, s_link, 0,
(void *)radio_event_callback};
mayfly_enqueue(RADIO_TICKER_USER_ID_WORKER, RADIO_TICKER_USER_ID_JOB, 1,
&s_mfy_callback);
#endif
}
static void packet_rx_enqueue(void)