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Bluetooth: hci_raw: Add support for command extention

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This adds support for registering a command extention table which is
used to match incoming commands and then pass the buffer to its
function handler.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2020-03-19 12:31:20 -07:00 • committed by Johan Hedberg
commit 05f0816f93
5 changed files with 155 additions and 77 deletions
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48
include/bluetooth/hci_raw.h
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@ -67,7 +67,53 @@ int bt_hci_raw_set_mode(u8_t mode);
*/
u8_t bt_hci_raw_get_mode(void);
/** @brief Enable Bluetooth RAW channel
#define BT_HCI_ERR_EXT_HANDLED 0xff
/** Helper macro to define a command extension
*
* @param _op Opcode of the command.
* @param _min_len Minimal length of the command.
* @param _func Handler function to be called.
*/
#define BT_HCI_RAW_CMD_EXT(_op, _min_len, _func) \
{ \
.op = _op, \
.min_len = _min_len, \
.func = _func, \
}
struct bt_hci_raw_cmd_ext {
/** Opcode of the command */
u16_t op;
/** Minimal length of the command */
size_t min_len;
/** Handler function.
*
* Handler function to be called when a command is intercepted.
*
* @param buf Buffer containing the command.
*
* @return HCI Status code or BT_HCI_ERR_EXT_HANDLED if command has
* been handled already and a response has been sent as oppose to
* BT_HCI_ERR_SUCCESS which just indicates that the command can be
* sent to the controller to be processed.
*/
u8_t (*func)(struct net_buf *buf);
};
/** @brief Register Bluetooth RAW command extension table
*
* Register Bluetooth RAW channel command extension table, opcodes in this
* table are intercepted to sent to the handler function.
*
* @param cmds Pointer to the command extension table.
* @param size Size of the command extension table.
*/
void bt_hci_raw_cmd_ext_register(struct bt_hci_raw_cmd_ext *cmds, size_t size);
/** @brief Enable Bluetooth RAW channel:
*
* Enable Bluetooth RAW HCI channel.
*