From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
When the connectable setting is toggled using mgmt_set_connectable the
HCI_CONNECTABLE flag will only be set once the related HCI commands
succeed. When determining what kind of advertising to do we need to
therefore also check whether there is a pending Set Connectable command
in addition to the current flag value.
The enable_advertising function was already taking care of this for the
advertising type with the help of the get_adv_type function, but was
failing to do the same for the address type selection. This patch
converts the get_adv_type function to be more generic in that it returns
the expected connectable state and updates the enable_advertising
function to use the return value both for the advertising type as well
as the advertising address type.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 25b8b278debd..d6e269287cfc 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -817,10 +817,9 @@ static void update_class(struct hci_request *req)
hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
}
-static u8 get_adv_type(struct hci_dev *hdev)
+static bool get_connectable(struct hci_dev *hdev)
{
struct pending_cmd *cmd;
- bool connectable;
/* If there's a pending mgmt command the flag will not yet have
* it's final value, so check for this first.
@@ -828,12 +827,10 @@ static u8 get_adv_type(struct hci_dev *hdev)
cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
if (cmd) {
struct mgmt_mode *cp = cmd->param;
- connectable = !!cp->val;
- } else {
- connectable = test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
+ return cp->val;
}
- return connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
+ return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
}
static void enable_advertising(struct hci_request *req)
@@ -841,17 +838,21 @@ static void enable_advertising(struct hci_request *req)
struct hci_dev *hdev = req->hdev;
struct hci_cp_le_set_adv_param cp;
u8 own_addr_type, enable = 0x01;
- bool require_privacy;
+ bool connectable;
- require_privacy = !test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
+ connectable = get_connectable(hdev);
- if (hci_update_random_address(req, require_privacy, &own_addr_type) < 0)
+ /* Set require_privacy to true only when non-connectable
+ * advertising is used. In that case it is fine to use a
+ * non-resolvable private address.
+ */
+ if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
return;
memset(&cp, 0, sizeof(cp));
cp.min_interval = __constant_cpu_to_le16(0x0800);
cp.max_interval = __constant_cpu_to_le16(0x0800);
- cp.type = get_adv_type(hdev);
+ cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
cp.own_address_type = own_addr_type;
cp.channel_map = hdev->le_adv_channel_map;
--
1.8.5.3
--
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