Return-Path: From: Andre Guedes To: linux-bluetooth@vger.kernel.org Subject: [PATCH 7/7] Bluetooth: MGMT start discovery LE-Only support Date: Wed, 14 Dec 2011 13:25:26 -0300 Message-Id: <1323879926-15971-8-git-send-email-andre.guedes@openbossa.org> In-Reply-To: <1323879926-15971-1-git-send-email-andre.guedes@openbossa.org> References: <1323879926-15971-1-git-send-email-andre.guedes@openbossa.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: This patch adds LE-Only discovery procedure support to MGMT Start Discovery command. Signed-off-by: Andre Guedes --- net/bluetooth/mgmt.c | 23 +++++++++++++++++++++-- 1 files changed, 21 insertions(+), 2 deletions(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 72c4b35..ae114f6 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -33,7 +33,16 @@ #define MGMT_VERSION 0 #define MGMT_REVISION 1 -#define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */ +/* + * 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) */ struct pending_cmd { struct list_head list; @@ -1863,6 +1872,7 @@ static int start_discovery(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct mgmt_cp_start_discovery *cp = (void *) data; + unsigned long discov_type = cp->type; struct pending_cmd *cmd; struct hci_dev *hdev; int err; @@ -1892,7 +1902,16 @@ 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_do_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, + LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY); + else + err = cmd_status(sk, index, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_NOT_SUPPORTED); + if (err < 0) mgmt_pending_remove(cmd); -- 1.7.8