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Bluetooth: controller: split: Fix ticks slot used on conn update

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Fix incorrectly calculated ticks slots for a connection on
connection update. The reservation incorrectly included the
prepare offset.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2019-10-15 08:50:44 +05:30 • committed by Carles Cufí
commit 4d4fb8e301
1 changed files with 17 additions and 8 deletions
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25
subsys/bluetooth/controller/ll_sw/ull_conn.c
View file

@ -1934,10 +1934,9 @@ static inline int event_conn_upd_prep(struct ll_conn *conn, u16_t lazy,
ctrl_tx_enqueue(conn, tx);
} else if (instant_latency <= 0x7FFF) {
u32_t mayfly_was_enabled;
u32_t ticks_slot_overhead;
u16_t conn_interval_old;
u16_t conn_interval_new;
u32_t ticks_slot_offset;
u32_t ticks_win_offset;
u32_t conn_interval_us;
struct node_rx_pdu *rx;
@ -2026,9 +2025,17 @@ static inline int event_conn_upd_prep(struct ll_conn *conn, u16_t lazy,
lll->latency_prepare += lazy;
lll->latency_prepare -= (instant_latency - latency);
/* calculate the offset, window widening and interval */
ticks_slot_offset = MAX(conn->evt.ticks_active_to_start,
conn->evt.ticks_xtal_to_start);
/* calculate the offset */
if (IS_ENABLED(CONFIG_BT_CTLR_LOW_LAT)) {
ticks_slot_overhead =
MAX(conn->evt.ticks_active_to_start,
conn->evt.ticks_xtal_to_start);
} else {
ticks_slot_overhead = 0U;
}
/* calculate the window widening and interval */
conn_interval_us = conn->llcp.conn_upd.interval * 1250U;
periodic_us = conn_interval_us;
if (lll->role) {
@ -2101,8 +2108,9 @@ static inline int event_conn_upd_prep(struct ll_conn *conn, u16_t lazy,
/* disable ticker job, in order to chain stop and start
* to avoid RTC being stopped if no tickers active.
*/
mayfly_was_enabled = mayfly_is_enabled(TICKER_USER_ID_ULL_HIGH,
TICKER_USER_ID_ULL_LOW);
u32_t mayfly_was_enabled =
mayfly_is_enabled(TICKER_USER_ID_ULL_HIGH,
TICKER_USER_ID_ULL_LOW);
mayfly_enable(TICKER_USER_ID_ULL_HIGH, TICKER_USER_ID_ULL_LOW,
0);
#endif
@ -2128,7 +2136,8 @@ static inline int event_conn_upd_prep(struct ll_conn *conn, u16_t lazy,
#else
TICKER_NULL_LAZY,
#endif /* CONFIG_BT_CTLR_CONN_META */
(ticks_slot_offset + conn->evt.ticks_slot),
(ticks_slot_overhead +
conn->evt.ticks_slot),
#if defined(CONFIG_BT_PERIPHERAL) && defined(CONFIG_BT_CENTRAL)
lll->role ? ull_slave_ticker_cb :
ull_master_ticker_cb,