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Commit e6100a25 authored by Andre Guedes's avatar Andre Guedes Committed by Gustavo Padovan
Browse files

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: default avatarAndre Guedes <andre.guedes@openbossa.org>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent f9b49306

include/net/bluetooth/hci.h

+1 −0
Original line number Diff line number Diff line
@@ -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

net/bluetooth/hci_event.c

+22 −0
Original line number Diff line number Diff line
@@ -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");