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Bluetooth: Add enable_le module parameter

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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>
This commit is contained in:
Andre Guedes 2011-06-30 19:20:54 -03:00 committed by Gustavo F. Padovan
parent f9b49306dc
commit e6100a2541
2 changed files with 23 additions and 0 deletions
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1
include/net/bluetooth/hci.h
View File

@ -211,6 +211,7 @@ enum {
#define LMP_EDR_3S_ESCO 0x80
#define LMP_EXT_INQ 0x01
#define LMP_SIMUL_LE_BR 0x02
#define LMP_SIMPLE_PAIR 0x08
#define LMP_NO_FLUSH 0x40

22
net/bluetooth/hci_event.c
View File

@ -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 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
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 @@ static void hci_setup(struct hci_dev *hdev)
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 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
hci_send_to_sock(hdev, skb, NULL);
kfree_skb(skb);
}
module_param(enable_le, bool, 0444);
MODULE_PARM_DESC(enable_le, "Enable LE support");