#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-#include <net/bluetooth/a2mp.h>
-#include <net/bluetooth/smp.h>
+
+#include "smp.h"
+#include "a2mp.h"
struct sco_param {
u16 pkt_type;
{ EDR_ESCO_MASK | ESCO_EV3, 0x0008 }, /* T1 */
};
-static void hci_le_create_connection(struct hci_conn *conn)
-{
- struct hci_dev *hdev = conn->hdev;
- struct hci_cp_le_create_conn cp;
-
- conn->state = BT_CONNECT;
- conn->out = true;
- conn->link_mode |= HCI_LM_MASTER;
- conn->sec_level = BT_SECURITY_LOW;
-
- memset(&cp, 0, sizeof(cp));
- cp.scan_interval = __constant_cpu_to_le16(0x0060);
- cp.scan_window = __constant_cpu_to_le16(0x0030);
- bacpy(&cp.peer_addr, &conn->dst);
- cp.peer_addr_type = conn->dst_type;
- cp.conn_interval_min = __constant_cpu_to_le16(0x0028);
- cp.conn_interval_max = __constant_cpu_to_le16(0x0038);
- cp.supervision_timeout = __constant_cpu_to_le16(0x002a);
- cp.min_ce_len = __constant_cpu_to_le16(0x0000);
- cp.max_ce_len = __constant_cpu_to_le16(0x0000);
-
- hci_send_cmd(hdev, HCI_OP_LE_CREATE_CONN, sizeof(cp), &cp);
-}
-
static void hci_le_create_connection_cancel(struct hci_conn *conn)
{
hci_send_cmd(conn->hdev, HCI_OP_LE_CREATE_CONN_CANCEL, 0, NULL);
}
/* Enter sniff mode */
-static void hci_conn_enter_sniff_mode(struct hci_conn *conn)
+static void hci_conn_idle(struct work_struct *work)
{
+ struct hci_conn *conn = container_of(work, struct hci_conn,
+ idle_work.work);
struct hci_dev *hdev = conn->hdev;
BT_DBG("hcon %p mode %d", conn, conn->mode);
}
}
-static void hci_conn_idle(unsigned long arg)
-{
- struct hci_conn *conn = (void *) arg;
-
- BT_DBG("hcon %p mode %d", conn, conn->mode);
-
- hci_conn_enter_sniff_mode(conn);
-}
-
-static void hci_conn_auto_accept(unsigned long arg)
+static void hci_conn_auto_accept(struct work_struct *work)
{
- struct hci_conn *conn = (void *) arg;
- struct hci_dev *hdev = conn->hdev;
+ struct hci_conn *conn = container_of(work, struct hci_conn,
+ auto_accept_work.work);
- hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
+ hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
&conn->dst);
}
return NULL;
bacpy(&conn->dst, dst);
+ bacpy(&conn->src, &hdev->bdaddr);
conn->hdev = hdev;
conn->type = type;
conn->mode = HCI_CM_ACTIVE;
INIT_LIST_HEAD(&conn->chan_list);
INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);
- setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn);
- setup_timer(&conn->auto_accept_timer, hci_conn_auto_accept,
- (unsigned long) conn);
+ INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);
+ INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);
atomic_set(&conn->refcnt, 0);
BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle);
- del_timer(&conn->idle_timer);
-
cancel_delayed_work_sync(&conn->disc_work);
-
- del_timer(&conn->auto_accept_timer);
+ cancel_delayed_work_sync(&conn->auto_accept_work);
+ cancel_delayed_work_sync(&conn->idle_work);
if (conn->type == ACL_LINK) {
struct hci_conn *sco = conn->link;
list_for_each_entry(d, &hci_dev_list, list) {
if (!test_bit(HCI_UP, &d->flags) ||
test_bit(HCI_RAW, &d->flags) ||
+ test_bit(HCI_USER_CHANNEL, &d->dev_flags) ||
d->dev_type != HCI_BREDR)
continue;
}
EXPORT_SYMBOL(hci_get_route);
+static void create_le_conn_complete(struct hci_dev *hdev, u8 status)
+{
+ struct hci_conn *conn;
+
+ if (status == 0)
+ return;
+
+ BT_ERR("HCI request failed to create LE connection: status 0x%2.2x",
+ status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (!conn)
+ goto done;
+
+ conn->state = BT_CLOSED;
+
+ mgmt_connect_failed(hdev, &conn->dst, conn->type, conn->dst_type,
+ status);
+
+ hci_proto_connect_cfm(conn, status);
+
+ hci_conn_del(conn);
+
+done:
+ hci_dev_unlock(hdev);
+}
+
+static int hci_create_le_conn(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_create_conn cp;
+ struct hci_request req;
+ int err;
+
+ hci_req_init(&req, hdev);
+
+ memset(&cp, 0, sizeof(cp));
+ cp.scan_interval = cpu_to_le16(hdev->le_scan_interval);
+ cp.scan_window = cpu_to_le16(hdev->le_scan_window);
+ bacpy(&cp.peer_addr, &conn->dst);
+ cp.peer_addr_type = conn->dst_type;
+ cp.own_address_type = conn->src_type;
+ cp.conn_interval_min = cpu_to_le16(hdev->le_conn_min_interval);
+ cp.conn_interval_max = cpu_to_le16(hdev->le_conn_max_interval);
+ cp.supervision_timeout = __constant_cpu_to_le16(0x002a);
+ cp.min_ce_len = __constant_cpu_to_le16(0x0000);
+ cp.max_ce_len = __constant_cpu_to_le16(0x0000);
+
+ hci_req_add(&req, HCI_OP_LE_CREATE_CONN, sizeof(cp), &cp);
+
+ err = hci_req_run(&req, create_le_conn_complete);
+ if (err) {
+ hci_conn_del(conn);
+ return err;
+ }
+
+ return 0;
+}
+
static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, u8 sec_level, u8 auth_type)
{
- struct hci_conn *le;
+ struct hci_conn *conn;
+ int err;
- if (test_bit(HCI_LE_PERIPHERAL, &hdev->flags))
+ if (test_bit(HCI_ADVERTISING, &hdev->flags))
return ERR_PTR(-ENOTSUPP);
- le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
- if (!le) {
- le = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
- if (le)
- return ERR_PTR(-EBUSY);
+ /* Some devices send ATT messages as soon as the physical link is
+ * established. To be able to handle these ATT messages, the user-
+ * space first establishes the connection and then starts the pairing
+ * process.
+ *
+ * So if a hci_conn object already exists for the following connection
+ * attempt, we simply update pending_sec_level and auth_type fields
+ * and return the object found.
+ */
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
+ if (conn) {
+ conn->pending_sec_level = sec_level;
+ conn->auth_type = auth_type;
+ goto done;
+ }
- le = hci_conn_add(hdev, LE_LINK, dst);
- if (!le)
- return ERR_PTR(-ENOMEM);
+ /* Since the controller supports only one LE connection attempt at a
+ * time, we return -EBUSY if there is any connection attempt running.
+ */
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (conn)
+ return ERR_PTR(-EBUSY);
- le->dst_type = bdaddr_to_le(dst_type);
- hci_le_create_connection(le);
- }
+ conn = hci_conn_add(hdev, LE_LINK, dst);
+ if (!conn)
+ return ERR_PTR(-ENOMEM);
- le->pending_sec_level = sec_level;
- le->auth_type = auth_type;
+ if (dst_type == BDADDR_LE_PUBLIC)
+ conn->dst_type = ADDR_LE_DEV_PUBLIC;
+ else
+ conn->dst_type = ADDR_LE_DEV_RANDOM;
- hci_conn_hold(le);
+ conn->src_type = hdev->own_addr_type;
- return le;
+ conn->state = BT_CONNECT;
+ conn->out = true;
+ conn->link_mode |= HCI_LM_MASTER;
+ conn->sec_level = BT_SECURITY_LOW;
+ conn->pending_sec_level = sec_level;
+ conn->auth_type = auth_type;
+
+ err = hci_create_le_conn(conn);
+ if (err)
+ return ERR_PTR(err);
+
+done:
+ hci_conn_hold(conn);
+ return conn;
}
static struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
{
struct hci_conn *acl;
+ if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
+ return ERR_PTR(-ENOTSUPP);
+
acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
if (!acl) {
acl = hci_conn_add(hdev, ACL_LINK, dst);
timer:
if (hdev->idle_timeout > 0)
- mod_timer(&conn->idle_timer,
- jiffies + msecs_to_jiffies(hdev->idle_timeout));
+ queue_delayed_work(hdev->workqueue, &conn->idle_work,
+ msecs_to_jiffies(hdev->idle_timeout));
}
/* Drop all connection on the device */
projects / firefly-linux-kernel-4.4.55.git / blobdiff