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Bluetooth: controller: split: Port missing break latency

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Port missing implementation of the slave latency break
when there is data to be sent to peer master. Without this
initial data send from slave is delay by upto the slave
latency number of connection events.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2019-10-30 14:37:53 +05:30 • committed by Carles Cufí
commit ebb2c0d208
1 changed files with 38 additions and 0 deletions
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38
subsys/bluetooth/controller/ll_sw/ull_conn.c
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@ -48,6 +48,12 @@
#endif /* CONFIG_BT_CTLR_USER_EXT */
static int init_reset(void);
#if defined(CONFIG_BT_PERIPHERAL)
static void ticker_update_latency_cancel_op_cb(u32_t ticker_status,
void *params);
#endif /* CONFIG_BT_PERIPHERAL */
static void ticker_update_conn_op_cb(u32_t status, void *param);
static void ticker_stop_conn_op_cb(u32_t status, void *param);
static void ticker_start_conn_op_cb(u32_t status, void *param);
@ -231,6 +237,26 @@ int ll_tx_mem_enqueue(u16_t handle, void *tx)
MFIFO_ENQUEUE(conn_tx, idx);
#if defined(CONFIG_BT_PERIPHERAL)
/* break slave latency */
if (conn->lll.role && conn->lll.latency_event &&
!conn->slave.latency_cancel) {
u32_t ticker_status;
conn->slave.latency_cancel = 1U;
ticker_status =
ticker_update(TICKER_INSTANCE_ID_CTLR,
TICKER_USER_ID_THREAD,
(TICKER_ID_CONN_BASE + handle),
0, 0, 0, 0, 1, 0,
ticker_update_latency_cancel_op_cb,
(void *)conn);
LL_ASSERT((ticker_status == TICKER_STATUS_SUCCESS) ||
(ticker_status == TICKER_STATUS_BUSY));
}
#endif /* CONFIG_BT_PERIPHERAL */
return 0;
}
@ -1561,6 +1587,18 @@ static int init_reset(void)
return 0;
}
#if defined(CONFIG_BT_PERIPHERAL)
static void ticker_update_latency_cancel_op_cb(u32_t ticker_status,
void *params)
{
struct ll_conn *conn = params;
LL_ASSERT(ticker_status == TICKER_STATUS_SUCCESS);
conn->slave.latency_cancel = 0U;
}
#endif /* CONFIG_BT_PERIPHERAL */
static void ticker_update_conn_op_cb(u32_t status, void *param)
{
/* Slave drift compensation succeeds, or it fails in a race condition