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Bluetooth: Fix priority event buffer availability when ECC is used

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The ECC emulation synthesizes its own HCI events so we may need up to
two available priority buffers at any point in time.

Change-Id: I88b37c7e9e9f64483d80cde9243470a7f0477321
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2016-12-16 21:29:52 +02:00
commit 2b410afac1
1 changed files with 8 additions and 1 deletions
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9
subsys/bluetooth/host/hci_core.c
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@ -130,10 +130,17 @@ NET_BUF_POOL_DEFINE(hci_evt_pool, CONFIG_BLUETOOTH_HCI_EVT_COUNT,
* This priority pool is to handle HCI events that must not be dropped
* (currently this is Command Status, Command Complete and Number of
* Complete Packets) if running low on buffers. Buffers from this pool are not
* allowed to be passed to RX thread and must be returned from bt_recv().
* allowed to be passed to RX thread and must be returned from bt_recv(). Since
* the HCI ECC emulation is able to also allocate command status events
* we need to reserve one extra buffer for it.
*/
#if defined(CONFIG_BLUETOOTH_TINYCRYPT_ECC)
NET_BUF_POOL_DEFINE(hci_evt_prio_pool, 2, BT_BUF_EVT_SIZE,
BT_BUF_USER_DATA_MIN, NULL);
#else
NET_BUF_POOL_DEFINE(hci_evt_prio_pool, 1, BT_BUF_EVT_SIZE,
BT_BUF_USER_DATA_MIN, NULL);
#endif
#endif /* CONFIG_BLUETOOTH_HOST_BUFFERS */