mac80211: document ieee80211_rx() context requirement

[safe/jmp/linux-2.6] / net / bluetooth / hci_conn.c

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 98f97a1..a975098 100644 (file)
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -123,6 +123,8 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle)
        conn->state = BT_CONNECT;
        conn->out = 1;
 
+       conn->attempt++;
+
        cp.handle   = cpu_to_le16(handle);
        cp.pkt_type = cpu_to_le16(conn->pkt_type);
 
@@ -139,6 +141,8 @@ void hci_setup_sync(struct hci_conn *conn, __u16 handle)
        conn->state = BT_CONNECT;
        conn->out = 1;
 
+       conn->attempt++;
+
        cp.handle   = cpu_to_le16(handle);
        cp.pkt_type = cpu_to_le16(conn->pkt_type);
 
@@ -155,6 +159,7 @@ static void hci_conn_timeout(unsigned long arg)
 {
        struct hci_conn *conn = (void *) arg;
        struct hci_dev *hdev = conn->hdev;
+       __u8 reason;
 
        BT_DBG("conn %p state %d", conn, conn->state);
 
@@ -166,14 +171,13 @@ static void hci_conn_timeout(unsigned long arg)
        switch (conn->state) {
        case BT_CONNECT:
        case BT_CONNECT2:
-               if (conn->type == ACL_LINK)
+               if (conn->type == ACL_LINK && conn->out)
                        hci_acl_connect_cancel(conn);
-               else
-                       hci_acl_disconn(conn, 0x13);
                break;
        case BT_CONFIG:
        case BT_CONNECTED:
-               hci_acl_disconn(conn, 0x13);
+               reason = hci_proto_disconn_ind(conn);
+               hci_acl_disconn(conn, reason);
                break;
        default:
                conn->state = BT_CLOSED;
@@ -209,6 +213,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
        conn->state = BT_OPEN;
 
        conn->power_save = 1;
+       conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 
        switch (type) {
        case ACL_LINK:
@@ -216,12 +221,13 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
                break;
        case SCO_LINK:
                if (lmp_esco_capable(hdev))
-                       conn->pkt_type = hdev->esco_type & SCO_ESCO_MASK;
+                       conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
+                                       (hdev->esco_type & EDR_ESCO_MASK);
                else
                        conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK;
                break;
        case ESCO_LINK:
-               conn->pkt_type = hdev->esco_type;
+               conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK;
                break;
        }
 
@@ -240,6 +246,10 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
        if (hdev->notify)
                hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
 
+       atomic_set(&conn->devref, 0);
+
+       hci_conn_init_sysfs(conn);
+
        tasklet_enable(&hdev->tx_task);
 
        return conn;
@@ -280,6 +290,10 @@ int hci_conn_del(struct hci_conn *conn)
 
        skb_queue_purge(&conn->data_q);
 
+       hci_conn_put_device(conn);
+
+       hci_dev_put(hdev);
+
        return 0;
 }
 
@@ -386,21 +400,17 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
 EXPORT_SYMBOL(hci_conn_check_link_mode);
 
 /* Authenticate remote device */
-static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level)
+static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 {
        BT_DBG("conn %p", conn);
 
        if (sec_level > conn->sec_level)
-               conn->link_mode &= ~HCI_LM_AUTH;
-
-       conn->sec_level = sec_level;
-
-       if (sec_level == BT_SECURITY_HIGH)
-               conn->auth_type |= 0x01;
-
-       if (conn->link_mode & HCI_LM_AUTH)
+               conn->sec_level = sec_level;
+       else if (conn->link_mode & HCI_LM_AUTH)
                return 1;
 
+       conn->auth_type = auth_type;
+
        if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
                struct hci_cp_auth_requested cp;
                cp.handle = cpu_to_le16(conn->handle);
@@ -412,27 +422,24 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level)
 }
 
 /* Enable security */
-int hci_conn_security(struct hci_conn *conn, __u8 sec_level)
+int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 {
        BT_DBG("conn %p", conn);
 
        if (sec_level == BT_SECURITY_SDP)
                return 1;
 
-       if (sec_level == BT_SECURITY_LOW) {
-               if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0)
-                       return hci_conn_auth(conn, sec_level);
-               else
-                       return 1;
-       }
+       if (sec_level == BT_SECURITY_LOW &&
+                               (!conn->ssp_mode || !conn->hdev->ssp_mode))
+               return 1;
 
        if (conn->link_mode & HCI_LM_ENCRYPT)
-               return hci_conn_auth(conn, sec_level);
+               return hci_conn_auth(conn, sec_level, auth_type);
 
        if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
                return 0;
 
-       if (hci_conn_auth(conn, sec_level)) {
+       if (hci_conn_auth(conn, sec_level, auth_type)) {
                struct hci_cp_set_conn_encrypt cp;
                cp.handle  = cpu_to_le16(conn->handle);
                cp.encrypt = 1;
@@ -557,9 +564,7 @@ void hci_conn_hash_flush(struct hci_dev *hdev)
 
                c->state = BT_CLOSED;
 
-               hci_conn_del_sysfs(c);
-
-               hci_proto_disconn_ind(c, 0x16);
+               hci_proto_disconn_cfm(c, 0x16);
                hci_conn_del(c);
        }
 }
@@ -580,6 +585,19 @@ void hci_conn_check_pending(struct hci_dev *hdev)
        hci_dev_unlock(hdev);
 }
 
+void hci_conn_hold_device(struct hci_conn *conn)
+{
+       atomic_inc(&conn->devref);
+}
+EXPORT_SYMBOL(hci_conn_hold_device);
+
+void hci_conn_put_device(struct hci_conn *conn)
+{
+       if (atomic_dec_and_test(&conn->devref))
+               hci_conn_del_sysfs(conn);
+}
+EXPORT_SYMBOL(hci_conn_put_device);
+
 int hci_get_conn_list(void __user *arg)
 {
        struct hci_conn_list_req req, *cl;