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Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c703
1 files changed, 482 insertions, 221 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 39395c7..35fef22 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -106,11 +106,10 @@ static const u16 mgmt_events[] = {
* 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 LE_SCAN_TIMEOUT_BREDR_LE 5120 /* TGAP(100)/2 */
+#define LE_SCAN_TIMEOUT_LE_ONLY msecs_to_jiffies(10240)
+#define LE_SCAN_TIMEOUT_BREDR_LE msecs_to_jiffies(5120)
#define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */
#define INQUIRY_LEN_BREDR_LE 0x04 /* TGAP(100)/2 */
@@ -384,7 +383,8 @@ static u32 get_supported_settings(struct hci_dev *hdev)
if (lmp_bredr_capable(hdev)) {
settings |= MGMT_SETTING_CONNECTABLE;
- settings |= MGMT_SETTING_FAST_CONNECTABLE;
+ if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
settings |= MGMT_SETTING_DISCOVERABLE;
settings |= MGMT_SETTING_BREDR;
settings |= MGMT_SETTING_LINK_SECURITY;
@@ -409,6 +409,9 @@ static u32 get_current_settings(struct hci_dev *hdev)
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
settings |= MGMT_SETTING_CONNECTABLE;
+ if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
settings |= MGMT_SETTING_DISCOVERABLE;
@@ -591,32 +594,33 @@ static void create_eir(struct hci_dev *hdev, u8 *data)
ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
}
-static int update_eir(struct hci_dev *hdev)
+static void update_eir(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_write_eir cp;
if (!hdev_is_powered(hdev))
- return 0;
+ return;
if (!lmp_ext_inq_capable(hdev))
- return 0;
+ return;
if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
- return 0;
+ return;
if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
- return 0;
+ return;
memset(&cp, 0, sizeof(cp));
create_eir(hdev, cp.data);
if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
- return 0;
+ return;
memcpy(hdev->eir, cp.data, sizeof(cp.data));
- return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
static u8 get_service_classes(struct hci_dev *hdev)
@@ -630,47 +634,48 @@ static u8 get_service_classes(struct hci_dev *hdev)
return val;
}
-static int update_class(struct hci_dev *hdev)
+static void update_class(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
u8 cod[3];
- int err;
BT_DBG("%s", hdev->name);
if (!hdev_is_powered(hdev))
- return 0;
+ return;
if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
- return 0;
+ return;
cod[0] = hdev->minor_class;
cod[1] = hdev->major_class;
cod[2] = get_service_classes(hdev);
if (memcmp(cod, hdev->dev_class, 3) == 0)
- return 0;
-
- err = hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
- if (err == 0)
- set_bit(HCI_PENDING_CLASS, &hdev->dev_flags);
+ return;
- return err;
+ hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
}
static void service_cache_off(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev,
service_cache.work);
+ struct hci_request req;
if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
return;
+ hci_req_init(&req, hdev);
+
hci_dev_lock(hdev);
- update_eir(hdev);
- update_class(hdev);
+ update_eir(&req);
+ update_class(&req);
hci_dev_unlock(hdev);
+
+ hci_req_run(&req, NULL);
}
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
@@ -994,11 +999,64 @@ failed:
return err;
}
+static void write_fast_connectable(struct hci_request *req, bool enable)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_write_page_scan_activity acp;
+ u8 type;
+
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return;
+
+ if (enable) {
+ type = PAGE_SCAN_TYPE_INTERLACED;
+
+ /* 160 msec page scan interval */
+ acp.interval = __constant_cpu_to_le16(0x0100);
+ } else {
+ type = PAGE_SCAN_TYPE_STANDARD; /* default */
+
+ /* default 1.28 sec page scan */
+ acp.interval = __constant_cpu_to_le16(0x0800);
+ }
+
+ acp.window = __constant_cpu_to_le16(0x0012);
+
+ if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
+ __cpu_to_le16(hdev->page_scan_window) != acp.window)
+ hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
+ sizeof(acp), &acp);
+
+ if (hdev->page_scan_type != type)
+ hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
+}
+
+static void set_connectable_complete(struct hci_dev *hdev, u8 status)
+{
+ struct pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_mode *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
u8 scan;
int err;
@@ -1065,7 +1123,20 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
cancel_delayed_work(&hdev->discov_off);
}
- err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ hci_req_init(&req, hdev);
+
+ hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+
+ /* If we're going from non-connectable to connectable or
+ * vice-versa when fast connectable is enabled ensure that fast
+ * connectable gets disabled. write_fast_connectable won't do
+ * anything if the page scan parameters are already what they
+ * should be.
+ */
+ if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
+ write_fast_connectable(&req, false);
+
+ err = hci_req_run(&req, set_connectable_complete);
if (err < 0)
mgmt_pending_remove(cmd);
@@ -1280,6 +1351,11 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
MGMT_STATUS_INVALID_PARAMS);
+ /* LE-only devices do not allow toggling LE on/off */
+ if (!lmp_bredr_capable(hdev))
+ return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_REJECTED);
+
hci_dev_lock(hdev);
val = !!cp->val;
@@ -1332,6 +1408,29 @@ unlock:
return err;
}
+/* This is a helper function to test for pending mgmt commands that can
+ * cause CoD or EIR HCI commands. We can only allow one such pending
+ * mgmt command at a time since otherwise we cannot easily track what
+ * the current values are, will be, and based on that calculate if a new
+ * HCI command needs to be sent and if yes with what value.
+ */
+static bool pending_eir_or_class(struct hci_dev *hdev)
+{
+ struct pending_cmd *cmd;
+
+ list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
+ switch (cmd->opcode) {
+ case MGMT_OP_ADD_UUID:
+ case MGMT_OP_REMOVE_UUID:
+ case MGMT_OP_SET_DEV_CLASS:
+ case MGMT_OP_SET_POWERED:
+ return true;
+ }
+ }
+
+ return false;
+}
+
static const u8 bluetooth_base_uuid[] = {
0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -1351,10 +1450,37 @@ static u8 get_uuid_size(const u8 *uuid)
return 16;
}
+static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
+{
+ struct pending_cmd *cmd;
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(mgmt_op, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
+ hdev->dev_class, 3);
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void add_uuid_complete(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("status 0x%02x", status);
+
+ mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
+}
+
static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_cp_add_uuid *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
struct bt_uuid *uuid;
int err;
@@ -1362,7 +1488,7 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
hci_dev_lock(hdev);
- if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
+ if (pending_eir_or_class(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
MGMT_STATUS_BUSY);
goto failed;
@@ -1380,23 +1506,28 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
list_add_tail(&uuid->list, &hdev->uuids);
- err = update_class(hdev);
- if (err < 0)
- goto failed;
+ hci_req_init(&req, hdev);
- err = update_eir(hdev);
- if (err < 0)
- goto failed;
+ update_class(&req);
+ update_eir(&req);
+
+ err = hci_req_run(&req, add_uuid_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto failed;
- if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
hdev->dev_class, 3);
goto failed;
}
cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
- if (!cmd)
+ if (!cmd) {
err = -ENOMEM;
+ goto failed;
+ }
+
+ err = 0;
failed:
hci_dev_unlock(hdev);
@@ -1417,6 +1548,13 @@ static bool enable_service_cache(struct hci_dev *hdev)
return false;
}
+static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("status 0x%02x", status);
+
+ mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
+}
+
static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
@@ -1424,13 +1562,14 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
struct pending_cmd *cmd;
struct bt_uuid *match, *tmp;
u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+ struct hci_request req;
int err, found;
BT_DBG("request for %s", hdev->name);
hci_dev_lock(hdev);
- if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
+ if (pending_eir_or_class(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
MGMT_STATUS_BUSY);
goto unlock;
@@ -1466,34 +1605,47 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
}
update_class:
- err = update_class(hdev);
- if (err < 0)
- goto unlock;
+ hci_req_init(&req, hdev);
- err = update_eir(hdev);
- if (err < 0)
- goto unlock;
+ update_class(&req);
+ update_eir(&req);
+
+ err = hci_req_run(&req, remove_uuid_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto unlock;
- if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
hdev->dev_class, 3);
goto unlock;
}
cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
- if (!cmd)
+ if (!cmd) {
err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = 0;
unlock:
hci_dev_unlock(hdev);
return err;
}
+static void set_class_complete(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("status 0x%02x", status);
+
+ mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
+}
+
static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_cp_set_dev_class *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("request for %s", hdev->name);
@@ -1502,15 +1654,19 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
MGMT_STATUS_NOT_SUPPORTED);
- if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags))
- return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
- MGMT_STATUS_BUSY);
+ hci_dev_lock(hdev);
- if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0)
- return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
- MGMT_STATUS_INVALID_PARAMS);
+ if (pending_eir_or_class(hdev)) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
- hci_dev_lock(hdev);
+ if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
hdev->major_class = cp->major;
hdev->minor_class = cp->minor;
@@ -1521,26 +1677,34 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
goto unlock;
}
+ hci_req_init(&req, hdev);
+
if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
hci_dev_unlock(hdev);
cancel_delayed_work_sync(&hdev->service_cache);
hci_dev_lock(hdev);
- update_eir(hdev);
+ update_eir(&req);
}
- err = update_class(hdev);
- if (err < 0)
- goto unlock;
+ update_class(&req);
+
+ err = hci_req_run(&req, set_class_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto unlock;
- if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
hdev->dev_class, 3);
goto unlock;
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
- if (!cmd)
+ if (!cmd) {
err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = 0;
unlock:
hci_dev_unlock(hdev);
@@ -1971,7 +2135,7 @@ static void pairing_complete(struct pending_cmd *cmd, u8 status)
conn->security_cfm_cb = NULL;
conn->disconn_cfm_cb = NULL;
- hci_conn_put(conn);
+ hci_conn_drop(conn);
mgmt_pending_remove(cmd);
}
@@ -2062,7 +2226,7 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
}
if (conn->connect_cfm_cb) {
- hci_conn_put(conn);
+ hci_conn_drop(conn);
err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
MGMT_STATUS_BUSY, &rp, sizeof(rp));
goto unlock;
@@ -2071,7 +2235,7 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
- hci_conn_put(conn);
+ hci_conn_drop(conn);
goto unlock;
}
@@ -2140,7 +2304,7 @@ unlock:
}
static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
- bdaddr_t *bdaddr, u8 type, u16 mgmt_op,
+ struct mgmt_addr_info *addr, u16 mgmt_op,
u16 hci_op, __le32 passkey)
{
struct pending_cmd *cmd;
@@ -2150,37 +2314,41 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_NOT_POWERED);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_POWERED, addr,
+ sizeof(*addr));
goto done;
}
- if (type == BDADDR_BREDR)
- conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr);
+ if (addr->type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
else
- conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr);
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
if (!conn) {
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_NOT_CONNECTED);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_CONNECTED, addr,
+ sizeof(*addr));
goto done;
}
- if (type == BDADDR_LE_PUBLIC || type == BDADDR_LE_RANDOM) {
+ if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
/* Continue with pairing via SMP */
err = smp_user_confirm_reply(conn, mgmt_op, passkey);
if (!err)
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_SUCCESS);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_SUCCESS, addr,
+ sizeof(*addr));
else
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_FAILED);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_FAILED, addr,
+ sizeof(*addr));
goto done;
}
- cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr));
+ cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
if (!cmd) {
err = -ENOMEM;
goto done;
@@ -2190,11 +2358,12 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
struct hci_cp_user_passkey_reply cp;
- bacpy(&cp.bdaddr, bdaddr);
+ bacpy(&cp.bdaddr, &addr->bdaddr);
cp.passkey = passkey;
err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
} else
- err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr);
+ err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
+ &addr->bdaddr);
if (err < 0)
mgmt_pending_remove(cmd);
@@ -2211,7 +2380,7 @@ static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_PIN_CODE_NEG_REPLY,
HCI_OP_PIN_CODE_NEG_REPLY, 0);
}
@@ -2227,7 +2396,7 @@ static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
MGMT_STATUS_INVALID_PARAMS);
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_CONFIRM_REPLY,
HCI_OP_USER_CONFIRM_REPLY, 0);
}
@@ -2239,7 +2408,7 @@ static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_CONFIRM_NEG_REPLY,
HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
}
@@ -2251,7 +2420,7 @@ static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_PASSKEY_REPLY,
HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
}
@@ -2263,18 +2432,47 @@ static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_PASSKEY_NEG_REPLY,
HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
}
-static int update_name(struct hci_dev *hdev, const char *name)
+static void update_name(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_write_local_name cp;
- memcpy(cp.name, name, sizeof(cp.name));
+ memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
+
+ hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
+}
+
+static void set_name_complete(struct hci_dev *hdev, u8 status)
+{
+ struct mgmt_cp_set_local_name *cp;
+ struct pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
- return hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
+ cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cp = cmd->param;
+
+ if (status)
+ cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
+ mgmt_status(status));
+ else
+ cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ cp, sizeof(*cp));
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
}
static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
@@ -2282,12 +2480,24 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_set_local_name *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("");
hci_dev_lock(hdev);
+ /* If the old values are the same as the new ones just return a
+ * direct command complete event.
+ */
+ if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
+ !memcmp(hdev->short_name, cp->short_name,
+ sizeof(hdev->short_name))) {
+ err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ data, len);
+ goto failed;
+ }
+
memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
if (!hdev_is_powered(hdev)) {
@@ -2310,7 +2520,19 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
goto failed;
}
- err = update_name(hdev, cp->name);
+ memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
+
+ hci_req_init(&req, hdev);
+
+ if (lmp_bredr_capable(hdev)) {
+ update_name(&req);
+ update_eir(&req);
+ }
+
+ if (lmp_le_capable(hdev))
+ hci_update_ad(&req);
+
+ err = hci_req_run(&req, set_name_complete);
if (err < 0)
mgmt_pending_remove(cmd);
@@ -2485,7 +2707,7 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev,
goto failed;
}
- err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
+ err = hci_le_scan(hdev, LE_SCAN_ACTIVE, LE_SCAN_INT,
LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY);
break;
@@ -2497,8 +2719,8 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev,
goto failed;
}
- err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, LE_SCAN_WIN,
- LE_SCAN_TIMEOUT_BREDR_LE);
+ err = hci_le_scan(hdev, LE_SCAN_ACTIVE, LE_SCAN_INT,
+ LE_SCAN_WIN, LE_SCAN_TIMEOUT_BREDR_LE);
break;
default:
@@ -2698,6 +2920,7 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_cp_set_device_id *cp = data;
+ struct hci_request req;
int err;
__u16 source;
@@ -2718,24 +2941,59 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
- update_eir(hdev);
+ hci_req_init(&req, hdev);
+ update_eir(&req);
+ hci_req_run(&req, NULL);
hci_dev_unlock(hdev);
return err;
}
+static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
+{
+ struct pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ mgmt_status(status));
+ } else {
+ struct mgmt_mode *cp = cmd->param;
+
+ if (cp->val)
+ set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
+ else
+ clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
+ new_settings(hdev, cmd->sk);
+ }
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
struct mgmt_mode *cp = data;
- struct hci_cp_write_page_scan_activity acp;
- u8 type;
+ struct pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("%s", hdev->name);
- if (!lmp_bredr_capable(hdev))
+ if (!lmp_bredr_capable(hdev) || hdev->hci_ver < BLUETOOTH_VER_1_2)
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_NOT_SUPPORTED);
@@ -2753,40 +3011,39 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
hci_dev_lock(hdev);
- if (cp->val) {
- type = PAGE_SCAN_TYPE_INTERLACED;
+ if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
- /* 160 msec page scan interval */
- acp.interval = __constant_cpu_to_le16(0x0100);
- } else {
- type = PAGE_SCAN_TYPE_STANDARD; /* default */
+ if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
+ hdev);
+ goto unlock;
+ }
- /* default 1.28 sec page scan */
- acp.interval = __constant_cpu_to_le16(0x0800);
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
+ data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
}
- /* default 11.25 msec page scan window */
- acp.window = __constant_cpu_to_le16(0x0012);
+ hci_req_init(&req, hdev);
- err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, sizeof(acp),
- &acp);
- if (err < 0) {
- err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
- MGMT_STATUS_FAILED);
- goto done;
- }
+ write_fast_connectable(&req, cp->val);
- err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
+ err = hci_req_run(&req, fast_connectable_complete);
if (err < 0) {
err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_FAILED);
- goto done;
+ mgmt_pending_remove(cmd);
}
- err = cmd_complete(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, 0,
- NULL, 0);
-done:
+unlock:
hci_dev_unlock(hdev);
+
return err;
}
@@ -3043,79 +3300,116 @@ static void settings_rsp(struct pending_cmd *cmd, void *data)
mgmt_pending_free(cmd);
}
-static int set_bredr_scan(struct hci_dev *hdev)
+static void set_bredr_scan(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
u8 scan = 0;
+ /* Ensure that fast connectable is disabled. This function will
+ * not do anything if the page scan parameters are already what
+ * they should be.
+ */
+ write_fast_connectable(req, false);
+
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
scan |= SCAN_PAGE;
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
scan |= SCAN_INQUIRY;
- if (!scan)
- return 0;
-
- return hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ if (scan)
+ hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
-int mgmt_powered(struct hci_dev *hdev, u8 powered)
+static void powered_complete(struct hci_dev *hdev, u8 status)
{
struct cmd_lookup match = { NULL, hdev };
- int err;
- if (!test_bit(HCI_MGMT, &hdev->dev_flags))
- return 0;
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
- if (powered) {
- u8 link_sec;
+ new_settings(hdev, match.sk);
- if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
- !lmp_host_ssp_capable(hdev)) {
- u8 ssp = 1;
+ hci_dev_unlock(hdev);
- hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
- }
+ if (match.sk)
+ sock_put(match.sk);
+}
+
+static int powered_update_hci(struct hci_dev *hdev)
+{
+ struct hci_request req;
+ u8 link_sec;
- if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
- struct hci_cp_write_le_host_supported cp;
+ hci_req_init(&req, hdev);
- cp.le = 1;
- cp.simul = lmp_le_br_capable(hdev);
+ if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
+ !lmp_host_ssp_capable(hdev)) {
+ u8 ssp = 1;
- /* Check first if we already have the right
- * host state (host features set)
- */
- if (cp.le != lmp_host_le_capable(hdev) ||
- cp.simul != lmp_host_le_br_capable(hdev))
- hci_send_cmd(hdev,
- HCI_OP_WRITE_LE_HOST_SUPPORTED,
- sizeof(cp), &cp);
- }
+ hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
+ }
- link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
- if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
- hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE,
- sizeof(link_sec), &link_sec);
+ if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
+ lmp_bredr_capable(hdev)) {
+ struct hci_cp_write_le_host_supported cp;
- if (lmp_bredr_capable(hdev)) {
- set_bredr_scan(hdev);
- update_class(hdev);
- update_name(hdev, hdev->dev_name);
- update_eir(hdev);
- }
- } else {
- u8 status = MGMT_STATUS_NOT_POWERED;
- u8 zero_cod[] = { 0, 0, 0 };
+ cp.le = 1;
+ cp.simul = lmp_le_br_capable(hdev);
- mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
+ /* Check first if we already have the right
+ * host state (host features set)
+ */
+ if (cp.le != lmp_host_le_capable(hdev) ||
+ cp.simul != lmp_host_le_br_capable(hdev))
+ hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
+ sizeof(cp), &cp);
+ }
+
+ link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
+ if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
+ hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
+ sizeof(link_sec), &link_sec);
- if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
- mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
- zero_cod, sizeof(zero_cod), NULL);
+ if (lmp_bredr_capable(hdev)) {
+ set_bredr_scan(&req);
+ update_class(&req);
+ update_name(&req);
+ update_eir(&req);
}
+ return hci_req_run(&req, powered_complete);
+}
+
+int mgmt_powered(struct hci_dev *hdev, u8 powered)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
+ u8 zero_cod[] = { 0, 0, 0 };
+ int err;
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ return 0;
+
+ if (powered) {
+ if (powered_update_hci(hdev) == 0)
+ return 0;
+
+ mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
+ &match);
+ goto new_settings;
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
+ mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
+
+ if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
+ mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
+ zero_cod, sizeof(zero_cod), NULL);
+
+new_settings:
err = new_settings(hdev, match.sk);
if (match.sk)
@@ -3152,7 +3446,7 @@ int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
{
- struct cmd_lookup match = { NULL, hdev };
+ struct pending_cmd *cmd;
bool changed = false;
int err = 0;
@@ -3164,14 +3458,10 @@ int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
changed = true;
}
- mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp,
- &match);
+ cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
if (changed)
- err = new_settings(hdev, match.sk);
-
- if (match.sk)
- sock_put(match.sk);
+ err = new_settings(hdev, cmd ? cmd->sk : NULL);
return err;
}
@@ -3555,23 +3845,25 @@ int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
return err;
}
-static int clear_eir(struct hci_dev *hdev)
+static void clear_eir(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_write_eir cp;
if (!lmp_ext_inq_capable(hdev))
- return 0;
+ return;
memset(hdev->eir, 0, sizeof(hdev->eir));
memset(&cp, 0, sizeof(cp));
- return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
{
struct cmd_lookup match = { NULL, hdev };
+ struct hci_request req;
bool changed = false;
int err = 0;
@@ -3604,29 +3896,26 @@ int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
if (match.sk)
sock_put(match.sk);
+ hci_req_init(&req, hdev);
+
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
- update_eir(hdev);
+ update_eir(&req);
else
- clear_eir(hdev);
+ clear_eir(&req);
+
+ hci_req_run(&req, NULL);
return err;
}
-static void class_rsp(struct pending_cmd *cmd, void *data)
+static void sk_lookup(struct pending_cmd *cmd, void *data)
{
struct cmd_lookup *match = data;
- cmd_complete(cmd->sk, cmd->index, cmd->opcode, match->mgmt_status,
- match->hdev->dev_class, 3);
-
- list_del(&cmd->list);
-
if (match->sk == NULL) {
match->sk = cmd->sk;
sock_hold(match->sk);
}
-
- mgmt_pending_free(cmd);
}
int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
@@ -3635,11 +3924,9 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
int err = 0;
- clear_bit(HCI_PENDING_CLASS, &hdev->dev_flags);
-
- mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, class_rsp, &match);
- mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, class_rsp, &match);
- mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, class_rsp, &match);
+ mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
if (!status)
err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
@@ -3653,55 +3940,29 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
{
- struct pending_cmd *cmd;
struct mgmt_cp_set_local_name ev;
- bool changed = false;
- int err = 0;
+ struct pending_cmd *cmd;
- if (memcmp(name, hdev->dev_name, sizeof(hdev->dev_name)) != 0) {
- memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
- changed = true;
- }
+ if (status)
+ return 0;
memset(&ev, 0, sizeof(ev));
memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
- if (!cmd)
- goto send_event;
-
- /* Always assume that either the short or the complete name has
- * changed if there was a pending mgmt command */
- changed = true;
+ if (!cmd) {
+ memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
- if (status) {
- err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
- mgmt_status(status));
- goto failed;
+ /* If this is a HCI command related to powering on the
+ * HCI dev don't send any mgmt signals.
+ */
+ if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
+ return 0;
}
- err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, &ev,
- sizeof(ev));
- if (err < 0)
- goto failed;
-
-send_event:
- if (changed)
- err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev,
- sizeof(ev), cmd ? cmd->sk : NULL);
-
- /* EIR is taken care of separately when powering on the
- * adapter so only update them here if this is a name change
- * unrelated to power on.
- */
- if (!test_bit(HCI_INIT, &hdev->flags))
- update_eir(hdev);
-
-failed:
- if (cmd)
- mgmt_pending_remove(cmd);
- return err;
+ return mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
}
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
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