Bluetooth: Add enable_le module parameter
This patch adds a new module parameter to enable/disable host LE
support. By default host LE support is disabled.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 4ed59a8..298cd9b 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -45,6 +45,8 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
+static int enable_le;
+
/* Handle HCI Event packets */
static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
@@ -525,6 +527,20 @@
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}
+static void hci_set_le_support(struct hci_dev *hdev)
+{
+ struct hci_cp_write_le_host_supported cp;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (enable_le) {
+ cp.le = 1;
+ cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+ }
+
+ hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
+}
+
static void hci_setup(struct hci_dev *hdev)
{
hci_setup_event_mask(hdev);
@@ -550,6 +566,9 @@
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
sizeof(cp), &cp);
}
+
+ if (hdev->features[4] & LMP_LE)
+ hci_set_le_support(hdev);
}
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
@@ -3068,3 +3087,6 @@
hci_send_to_sock(hdev, skb, NULL);
kfree_skb(skb);
}
+
+module_param(enable_le, bool, 0444);
+MODULE_PARM_DESC(enable_le, "Enable LE support");