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Bluetooth: Move HCI command buffer user data into separate array

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The HCI command buffers are the only ones with more than 4 bytes of
required user data. Move the user data into a separate array and do
the mapping with the help of net_buf_id(). After this, it will be
possible to reduce the default net_buf user data size from 8 to 4.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2018-02-10 15:40:07 +02:00 • committed by Johan Hedberg
commit 0ad6dbd80d
2 changed files with 8 additions and 8 deletions
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4
subsys/bluetooth/common/dummy.c
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@ -25,10 +25,10 @@ BUILD_ASSERT(CONFIG_SYSTEM_WORKQUEUE_PRIORITY < 0);
*/
BUILD_ASSERT(CONFIG_BT_HCI_TX_PRIO < CONFIG_BT_RX_PRIO);
/* The Bluetooth subsystem requires network buffers to have at least 8 bytes
/* The Bluetooth subsystem requires network buffers to have at least 4 bytes
* reserved for user data.
*/
BUILD_ASSERT(CONFIG_NET_BUF_USER_DATA_SIZE >= 8);
BUILD_ASSERT(CONFIG_NET_BUF_USER_DATA_SIZE >= 4);
#if defined(CONFIG_BT_CTLR)
/* The Bluetooth Controller's priority receive thread priority shall be higher