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Bluetooth: Fix LE reconnection logic 

We can't use hci_explicit_connect_lookup() since that would only cover
explicit connections, leaving normal reconnections completely
untouched. Not using it in turn means leaving out entries in
pend_le_reports.

To fix this and simplify the logic move conn params from the reports
list to the pend_le_conns list for the duration of an explicit
connect. Once the connect is complete move the params back to the
pend_le_reports list. This also means that the explicit connect lookup
function only needs to look into the pend_le_conns list.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2015-10-16 10:07:51 +03:00 committed by Marcel Holtmann
parent b958f9a3e8
commit 49c509220d
4 changed files with 8 additions and 12 deletions
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4
net/bluetooth/hci_conn.c
View File

@ -1000,8 +1000,8 @@ static int hci_explicit_conn_params_set(struct hci_request *req,
/* If we created new params, or existing params were marked as disabled,
* mark them to be used just once to connect.
*/
if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
params->auto_connect == HCI_AUTO_CONN_REPORT) {
list_del_init(&params->action);
list_add(&params->action, &hdev->pend_le_conns);
}

7
net/bluetooth/hci_core.c
View File

@ -2861,13 +2861,6 @@ struct hci_conn_params *hci_explicit_connect_lookup(struct hci_dev *hdev,
return param;
}
list_for_each_entry(param, &hdev->pend_le_reports, action) {
if (bacmp(&param->addr, addr) == 0 &&
param->addr_type == addr_type &&
param->explicit_connect)
return param;
}
return NULL;
}

4
net/bluetooth/hci_event.c
View File

@ -4653,8 +4653,8 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
/* If we're not connectable only connect devices that we have in
* our pend_le_conns list.
*/
params = hci_explicit_connect_lookup(hdev, addr, addr_type);
params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr,
addr_type);
if (!params)
return NULL;

5
net/bluetooth/mgmt.c
View File

@ -6117,7 +6117,10 @@ static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
__hci_update_background_scan(req);
break;
case HCI_AUTO_CONN_REPORT:
list_add(&params->action, &hdev->pend_le_reports);
if (params->explicit_connect)
list_add(&params->action, &hdev->pend_le_conns);
else
list_add(&params->action, &hdev->pend_le_reports);
__hci_update_background_scan(req);
break;
case HCI_AUTO_CONN_DIRECT: