unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

Bluetooth: Move hci_update_page_scan to hci_request.c

Browse source 
This is a left-over from the patch that created hci_request.c. The
hci_update_page_scan functions should have been moved from hci_core.c
there.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-12-19 23:18:22 +02:00 committed by Marcel Holtmann
parent 9df7465351
commit 405a26110a
2 changed files with 56 additions and 56 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

56
net/bluetooth/hci_core.c
View file

@ -5253,59 +5253,3 @@ static void hci_cmd_work(struct work_struct *work)
}
}
}
static bool disconnected_whitelist_entries(struct hci_dev *hdev)
{
struct bdaddr_list *b;
list_for_each_entry(b, &hdev->whitelist, list) {
struct hci_conn *conn;
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &b->bdaddr);
if (!conn)
return true;
if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG)
return true;
}
return false;
}
void __hci_update_page_scan(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
u8 scan;
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
return;
if (!hdev_is_powered(hdev))
return;
if (mgmt_powering_down(hdev))
return;
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
disconnected_whitelist_entries(hdev))
scan = SCAN_PAGE;
else
scan = SCAN_DISABLED;
if (test_bit(HCI_PSCAN, &hdev->flags) == !!(scan & SCAN_PAGE))
return;
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
scan |= SCAN_INQUIRY;
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
void hci_update_page_scan(struct hci_dev *hdev)
{
struct hci_request req;
hci_req_init(&req, hdev);
__hci_update_page_scan(&req);
hci_req_run(&req, NULL);
}

56
net/bluetooth/hci_request.c
View file

@ -396,6 +396,62 @@ int hci_update_random_address(struct hci_request *req, bool require_privacy,
return 0;
}
static bool disconnected_whitelist_entries(struct hci_dev *hdev)
{
struct bdaddr_list *b;
list_for_each_entry(b, &hdev->whitelist, list) {
struct hci_conn *conn;
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &b->bdaddr);
if (!conn)
return true;
if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG)
return true;
}
return false;
}
void __hci_update_page_scan(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
u8 scan;
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
return;
if (!hdev_is_powered(hdev))
return;
if (mgmt_powering_down(hdev))
return;
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
disconnected_whitelist_entries(hdev))
scan = SCAN_PAGE;
else
scan = SCAN_DISABLED;
if (test_bit(HCI_PSCAN, &hdev->flags) == !!(scan & SCAN_PAGE))
return;
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
scan |= SCAN_INQUIRY;
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
void hci_update_page_scan(struct hci_dev *hdev)
{
struct hci_request req;
hci_req_init(&req, hdev);
__hci_update_page_scan(&req);
hci_req_run(&req, NULL);
}
/* This function controls the background scanning based on hdev->pend_le_conns
* list. If there are pending LE connection we start the background scanning,
* otherwise we stop it.