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authorSathish Narsimman <nsathish41@gmail.com>2020-02-24 10:53:40 +0530
committerMarcel Holtmann <marcel@holtmann.org>2020-02-28 08:40:06 +0100
commitc3bed4de5d0671426d047d9b58b140d6a9114c83 (patch)
treef98c44dcbb3cd5686fa1072224fe8b3324f8b755 /net/bluetooth/hci_conn.c
parenta9e45698b37d4235ec98b5c0327de59759cb2ef2 (diff)
downloadlinux-c3bed4de5d0671426d047d9b58b140d6a9114c83.tar.gz
Bluetooth: During le_conn_timeout disable EXT_ADV
Disabling LE_LEGACY_ADV when LE_EXT_ADV is enabled causes 'command
disallowed . This patch fixes that issue and disables EXT_ADV if
enabled.

Signed-off-by: Sathish Narsimman <sathish.narasimman@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/hci_conn.c')
-rw-r--r--net/bluetooth/hci_conn.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 2731f0ad2a90..e245bc155cc2 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -467,6 +467,23 @@ static void hci_conn_auto_accept(struct work_struct *work)
 		     &conn->dst);
 }
 
+static void le_disable_advertising(struct hci_dev *hdev)
+{
+	if (ext_adv_capable(hdev)) {
+		struct hci_cp_le_set_ext_adv_enable cp;
+
+		cp.enable = 0x00;
+		cp.num_of_sets = 0x00;
+
+		hci_send_cmd(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE, sizeof(cp),
+			     &cp);
+	} else {
+		u8 enable = 0x00;
+		hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable),
+			     &enable);
+	}
+}
+
 static void le_conn_timeout(struct work_struct *work)
 {
 	struct hci_conn *conn = container_of(work, struct hci_conn,
@@ -481,9 +498,8 @@ static void le_conn_timeout(struct work_struct *work)
 	 * (which doesn't have a timeout of its own).
 	 */
 	if (conn->role == HCI_ROLE_SLAVE) {
-		u8 enable = 0x00;
-		hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable),
-			     &enable);
+		/* Disable LE Advertising */
+		le_disable_advertising(hdev);
 		hci_le_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT);
 		return;
 	}