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Bluetooth: MGMT start discovery LE-Only support

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This patch adds LE-Only discovery procedure support to MGMT Start
Discovery command.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Andre Guedes
2012-02-03 17:48:01 -03:00
committed by Johan Hedberg
parent 28b75a8948
commit 3fd2415363
2 changed files with 31 additions and 2 deletions
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20
net/bluetooth/mgmt.c
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@@ -35,6 +35,15 @@
#define MGMT_VERSION 0
#define MGMT_REVISION 1
/*
* These LE scan and inquiry parameters were chosen according to LE General
* Discovery Procedure specification.
*/
#define LE_SCAN_TYPE 0x01
#define LE_SCAN_WIN 0x12
#define LE_SCAN_INT 0x12
#define LE_SCAN_TIMEOUT_LE_ONLY 10240 /* TGAP(gen_disc_scan_min) */
#define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */
#define SERVICE_CACHE_TIMEOUT (5 * 1000)
@@ -1916,6 +1925,7 @@ static int start_discovery(struct sock *sk, u16 index,
void *data, u16 len)
{
struct mgmt_cp_start_discovery *cp = data;
unsigned long discov_type = cp->type;
struct pending_cmd *cmd;
struct hci_dev *hdev;
int err;
@@ -1951,7 +1961,15 @@ static int start_discovery(struct sock *sk, u16 index,
goto failed;
}
err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
if (test_bit(MGMT_ADDR_BREDR, &discov_type))
err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
else if (test_bit(MGMT_ADDR_LE_PUBLIC, &discov_type) &&
test_bit(MGMT_ADDR_LE_RANDOM, &discov_type))
err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY);
else
err = -EINVAL;
if (err < 0)
mgmt_pending_remove(cmd);
else