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Bluetooth: Use ext adv for directed adv 

This patch does extended advertising for directed advertising
if the controller supportes. Instance 0 is used for directed
advertising.

Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Jaganath Kanakkassery 2018-07-19 17:09:44 +05:30 committed by Marcel Holtmann
parent 45b7749f16
commit 075e40b79f
1 changed files with 45 additions and 22 deletions
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67
net/bluetooth/hci_conn.c
View File

@ -868,35 +868,58 @@ static void hci_req_directed_advertising(struct hci_request *req,
struct hci_conn *conn) struct hci_conn *conn)
{ {
struct hci_dev *hdev = req->hdev; struct hci_dev *hdev = req->hdev;
struct hci_cp_le_set_adv_param cp;
u8 own_addr_type; u8 own_addr_type;
u8 enable; u8 enable;
/* Clear the HCI_LE_ADV bit temporarily so that the if (ext_adv_capable(hdev)) {
* hci_update_random_address knows that it's safe to go ahead struct hci_cp_le_set_ext_adv_params cp;
* and write a new random address. The flag will be set back on
* as soon as the SET_ADV_ENABLE HCI command completes.
*/
hci_dev_clear_flag(hdev, HCI_LE_ADV);
/* Set require_privacy to false so that the remote device has a memset(&cp, 0, sizeof(cp));
* chance of identifying us.
*/
if (hci_update_random_address(req, false, conn_use_rpa(conn),
&own_addr_type) < 0)
return;
memset(&cp, 0, sizeof(cp)); cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_DIRECT_IND);
cp.type = LE_ADV_DIRECT_IND; cp.own_addr_type = own_addr_type;
cp.own_address_type = own_addr_type; cp.channel_map = hdev->le_adv_channel_map;
cp.direct_addr_type = conn->dst_type; cp.tx_power = HCI_TX_POWER_INVALID;
bacpy(&cp.direct_addr, &conn->dst); cp.primary_phy = HCI_ADV_PHY_1M;
cp.channel_map = hdev->le_adv_channel_map; cp.secondary_phy = HCI_ADV_PHY_1M;
cp.handle = 0; /* Use instance 0 for directed adv */
cp.own_addr_type = own_addr_type;
cp.peer_addr_type = conn->dst_type;
bacpy(&cp.peer_addr, &conn->dst);
hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_PARAMS, sizeof(cp), &cp);
enable = 0x01; __hci_req_enable_ext_advertising(req);
hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); } else {
struct hci_cp_le_set_adv_param cp;
/* Clear the HCI_LE_ADV bit temporarily so that the
* hci_update_random_address knows that it's safe to go ahead
* and write a new random address. The flag will be set back on
* as soon as the SET_ADV_ENABLE HCI command completes.
*/
hci_dev_clear_flag(hdev, HCI_LE_ADV);
/* Set require_privacy to false so that the remote device has a
* chance of identifying us.
*/
if (hci_update_random_address(req, false, conn_use_rpa(conn),
&own_addr_type) < 0)
return;
memset(&cp, 0, sizeof(cp));
cp.type = LE_ADV_DIRECT_IND;
cp.own_address_type = own_addr_type;
cp.direct_addr_type = conn->dst_type;
bacpy(&cp.direct_addr, &conn->dst);
cp.channel_map = hdev->le_adv_channel_map;
hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
enable = 0x01;
hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable),
&enable);
}
conn->state = BT_CONNECT; conn->state = BT_CONNECT;
} }