Bluetooth: notify userspace of security level change
[linux-flexiantxendom0-3.2.10.git] / net / bluetooth / hci_event.c
index d9a8618..53680fe 100644 (file)
 #include <linux/init.h>
 #include <linux/skbuff.h>
 #include <linux/interrupt.h>
-#include <linux/notifier.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 
-static bool enable_le;
-
 /* Handle HCI Event packets */
 
 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
@@ -195,8 +191,10 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
 
        hci_req_complete(hdev, HCI_OP_RESET, status);
 
-       /* Reset all flags, except persistent ones */
-       hdev->dev_flags &= BIT(HCI_MGMT) | BIT(HCI_SETUP) | BIT(HCI_AUTO_OFF);
+       /* Reset all non-persistent flags */
+       hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS));
+
+       hdev->discovery.state = DISCOVERY_STOPPED;
 }
 
 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -214,11 +212,12 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
                mgmt_set_local_name_complete(hdev, sent, status);
-
-       if (status == 0)
+       else if (!status)
                memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
 
        hci_dev_unlock(hdev);
+
+       hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
 }
 
 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -230,7 +229,8 @@ static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
        if (rp->status)
                return;
 
-       memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
+       if (test_bit(HCI_SETUP, &hdev->dev_flags))
+               memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
 }
 
 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
@@ -253,6 +253,9 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
                        clear_bit(HCI_AUTH, &hdev->flags);
        }
 
+       if (test_bit(HCI_MGMT, &hdev->dev_flags))
+               mgmt_auth_enable_complete(hdev, status);
+
        hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
 }
 
@@ -350,14 +353,19 @@ static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
 
        BT_DBG("%s status 0x%x", hdev->name, status);
 
-       if (status)
-               return;
-
        sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
        if (!sent)
                return;
 
-       memcpy(hdev->dev_class, sent, 3);
+       hci_dev_lock(hdev);
+
+       if (status == 0)
+               memcpy(hdev->dev_class, sent, 3);
+
+       if (test_bit(HCI_MGMT, &hdev->dev_flags))
+               mgmt_set_class_of_dev_complete(hdev, sent, status);
+
+       hci_dev_unlock(hdev);
 }
 
 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
@@ -420,18 +428,6 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
        hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
 }
 
-static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
-{
-       struct hci_rp_read_ssp_mode *rp = (void *) skb->data;
-
-       BT_DBG("%s status 0x%x", hdev->name, rp->status);
-
-       if (rp->status)
-               return;
-
-       hdev->ssp_mode = rp->mode;
-}
-
 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
 {
        __u8 status = *((__u8 *) skb->data);
@@ -439,14 +435,18 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
 
        BT_DBG("%s status 0x%x", hdev->name, status);
 
-       if (status)
-               return;
-
        sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
        if (!sent)
                return;
 
-       hdev->ssp_mode = *((__u8 *) sent);
+       if (test_bit(HCI_MGMT, &hdev->dev_flags))
+               mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
+       else if (!status) {
+               if (*((u8 *) sent))
+                       set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
+               else
+                       clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
+       }
 }
 
 static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
@@ -541,20 +541,6 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
        hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
 }
 
-static void hci_set_le_support(struct hci_dev *hdev)
-{
-       struct hci_cp_write_le_host_supported cp;
-
-       memset(&cp, 0, sizeof(cp));
-
-       if (enable_le) {
-               cp.le = 1;
-               cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
-       }
-
-       hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
-}
-
 static void hci_setup(struct hci_dev *hdev)
 {
        if (hdev->dev_type != HCI_BREDR)
@@ -566,8 +552,18 @@ static void hci_setup(struct hci_dev *hdev)
                hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
 
        if (hdev->features[6] & LMP_SIMPLE_PAIR) {
-               u8 mode = 0x01;
-               hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
+               if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+                       u8 mode = 0x01;
+                       hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
+                                    sizeof(mode), &mode);
+               } else {
+                       struct hci_cp_write_eir cp;
+
+                       memset(hdev->eir, 0, sizeof(hdev->eir));
+                       memset(&cp, 0, sizeof(cp));
+
+                       hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+               }
        }
 
        if (hdev->features[3] & LMP_RSSI_INQ)
@@ -580,12 +576,15 @@ static void hci_setup(struct hci_dev *hdev)
                struct hci_cp_read_local_ext_features cp;
 
                cp.page = 0x01;
-               hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
-                                                       sizeof(cp), &cp);
+               hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
+                            &cp);
        }
 
-       if (hdev->features[4] & LMP_LE)
-               hci_set_le_support(hdev);
+       if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
+               u8 enable = 1;
+               hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
+                            &enable);
+       }
 }
 
 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
@@ -595,7 +594,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
        BT_DBG("%s status 0x%x", hdev->name, rp->status);
 
        if (rp->status)
-               return;
+               goto done;
 
        hdev->hci_ver = rp->hci_ver;
        hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
@@ -609,6 +608,9 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
 
        if (test_bit(HCI_INIT, &hdev->flags))
                hci_setup(hdev);
+
+done:
+       hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
 }
 
 static void hci_setup_link_policy(struct hci_dev *hdev)
@@ -625,8 +627,8 @@ static void hci_setup_link_policy(struct hci_dev *hdev)
                link_policy |= HCI_LP_PARK;
 
        link_policy = cpu_to_le16(link_policy);
-       hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY,
-                                       sizeof(link_policy), &link_policy);
+       hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(link_policy),
+                    &link_policy);
 }
 
 static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
@@ -702,6 +704,22 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb
                                        hdev->features[6], hdev->features[7]);
 }
 
+static void hci_set_le_support(struct hci_dev *hdev)
+{
+       struct hci_cp_write_le_host_supported cp;
+
+       memset(&cp, 0, sizeof(cp));
+
+       if (enable_le && test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
+               cp.le = 1;
+               cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+       }
+
+       if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
+               hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
+                            &cp);
+}
+
 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
                                                        struct sk_buff *skb)
 {
@@ -710,7 +728,7 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
        BT_DBG("%s status 0x%x", hdev->name, rp->status);
 
        if (rp->status)
-               return;
+               goto done;
 
        switch (rp->page) {
        case 0:
@@ -721,6 +739,10 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
                break;
        }
 
+       if (test_bit(HCI_INIT, &hdev->flags) && hdev->features[4] & LMP_LE)
+               hci_set_le_support(hdev);
+
+done:
        hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
 }
 
@@ -953,8 +975,8 @@ static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
        hci_dev_lock(hdev);
 
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
-               mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr,
-                                                               rp->status);
+               mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
+                                                rp->status);
 
        hci_dev_unlock(hdev);
 }
@@ -970,7 +992,7 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
 
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
                mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
-                                                               rp->status);
+                                                    ACL_LINK, 0, rp->status);
 
        hci_dev_unlock(hdev);
 }
@@ -984,8 +1006,8 @@ static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
        hci_dev_lock(hdev);
 
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
-               mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr,
-                                                               rp->status);
+               mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
+                                                0, rp->status);
 
        hci_dev_unlock(hdev);
 }
@@ -1001,7 +1023,7 @@ static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
 
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
                mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
-                                                               rp->status);
+                                                    ACL_LINK, 0, rp->status);
 
        hci_dev_unlock(hdev);
 }
@@ -1024,6 +1046,15 @@ static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
        __u8 status = *((__u8 *) skb->data);
 
        BT_DBG("%s status 0x%x", hdev->name, status);
+
+       hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
+
+       if (status) {
+               hci_dev_lock(hdev);
+               mgmt_start_discovery_failed(hdev, status);
+               hci_dev_unlock(hdev);
+               return;
+       }
 }
 
 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
@@ -1034,28 +1065,47 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
 
        BT_DBG("%s status 0x%x", hdev->name, status);
 
-       if (status)
-               return;
-
        cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
        if (!cp)
                return;
 
        switch (cp->enable) {
        case LE_SCANNING_ENABLED:
+               hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);
+
+               if (status) {
+                       hci_dev_lock(hdev);
+                       mgmt_start_discovery_failed(hdev, status);
+                       hci_dev_unlock(hdev);
+                       return;
+               }
+
                set_bit(HCI_LE_SCAN, &hdev->dev_flags);
 
                cancel_delayed_work_sync(&hdev->adv_work);
 
                hci_dev_lock(hdev);
                hci_adv_entries_clear(hdev);
+               hci_discovery_set_state(hdev, DISCOVERY_FINDING);
                hci_dev_unlock(hdev);
                break;
 
        case LE_SCANNING_DISABLED:
+               if (status)
+                       return;
+
                clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
 
                schedule_delayed_work(&hdev->adv_work, ADV_CLEAR_TIMEOUT);
+
+               if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED) {
+                       mgmt_interleaved_discovery(hdev);
+               } else {
+                       hci_dev_lock(hdev);
+                       hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+                       hci_dev_unlock(hdev);
+               }
+
                break;
 
        default:
@@ -1091,16 +1141,27 @@ static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
 static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
                                                        struct sk_buff *skb)
 {
-       struct hci_cp_read_local_ext_features cp;
+       struct hci_cp_write_le_host_supported *sent;
        __u8 status = *((__u8 *) skb->data);
 
        BT_DBG("%s status 0x%x", hdev->name, status);
 
-       if (status)
+       sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
+       if (!sent)
                return;
 
-       cp.page = 0x01;
-       hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
+       if (!status) {
+               if (sent->le)
+                       hdev->host_features[0] |= LMP_HOST_LE;
+               else
+                       hdev->host_features[0] &= ~LMP_HOST_LE;
+       }
+
+       if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
+                                       !test_bit(HCI_INIT, &hdev->flags))
+               mgmt_le_enable_complete(hdev, sent->le, status);
+
+       hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
 }
 
 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
@@ -1120,7 +1181,7 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
        set_bit(HCI_INQUIRY, &hdev->flags);
 
        hci_dev_lock(hdev);
-       hci_discovery_set_state(hdev, DISCOVERY_INQUIRY);
+       hci_discovery_set_state(hdev, DISCOVERY_FINDING);
        hci_dev_unlock(hdev);
 }
 
@@ -1154,7 +1215,7 @@ static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
                if (!conn) {
                        conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
                        if (conn) {
-                               conn->out = 1;
+                               conn->out = true;
                                conn->link_mode |= HCI_LM_MASTER;
                        } else
                                BT_ERR("No memory for new connection");
@@ -1264,7 +1325,7 @@ static int hci_outgoing_auth_needed(struct hci_dev *hdev,
 
        /* Only request authentication for SSP connections or non-SSP
         * devices with sec_level HIGH or if MITM protection is requested */
-       if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
+       if (!hci_conn_ssp_enabled(conn) &&
                                conn->pending_sec_level != BT_SECURITY_HIGH &&
                                !(conn->auth_type & 0x01))
                return 0;
@@ -1272,7 +1333,8 @@ static int hci_outgoing_auth_needed(struct hci_dev *hdev,
        return 1;
 }
 
-static inline int hci_resolve_name(struct hci_dev *hdev, struct inquiry_entry *e)
+static inline int hci_resolve_name(struct hci_dev *hdev,
+                                  struct inquiry_entry *e)
 {
        struct hci_cp_remote_name_req cp;
 
@@ -1286,11 +1348,36 @@ static inline int hci_resolve_name(struct hci_dev *hdev, struct inquiry_entry *e
        return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
 }
 
-static void hci_resolve_next_name(struct hci_dev *hdev, bdaddr_t *bdaddr)
+static bool hci_resolve_next_name(struct hci_dev *hdev)
 {
        struct discovery_state *discov = &hdev->discovery;
        struct inquiry_entry *e;
 
+       if (list_empty(&discov->resolve))
+               return false;
+
+       e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
+       if (hci_resolve_name(hdev, e) == 0) {
+               e->name_state = NAME_PENDING;
+               return true;
+       }
+
+       return false;
+}
+
+static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
+                                  bdaddr_t *bdaddr, u8 *name, u8 name_len)
+{
+       struct discovery_state *discov = &hdev->discovery;
+       struct inquiry_entry *e;
+
+       if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+               mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
+                                     name_len, conn->dev_class);
+
+       if (discov->state == DISCOVERY_STOPPED)
+               return;
+
        if (discov->state == DISCOVERY_STOPPING)
                goto discov_complete;
 
@@ -1301,16 +1388,13 @@ static void hci_resolve_next_name(struct hci_dev *hdev, bdaddr_t *bdaddr)
        if (e) {
                e->name_state = NAME_KNOWN;
                list_del(&e->list);
+               if (name)
+                       mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
+                                        e->data.rssi, name, name_len);
        }
 
-       if (list_empty(&discov->resolve))
-               goto discov_complete;
-
-       e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
-       if (hci_resolve_name(hdev, e) == 0) {
-               e->name_state = NAME_PENDING;
+       if (hci_resolve_next_name(hdev))
                return;
-       }
 
 discov_complete:
        hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
@@ -1334,10 +1418,11 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
 
        hci_dev_lock(hdev);
 
+       conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
-               hci_resolve_next_name(hdev, &cp->bdaddr);
+               hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
 
-       conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
        if (!conn)
                goto unlock;
 
@@ -1497,6 +1582,28 @@ static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
        hci_dev_unlock(hdev);
 }
 
+static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
+{
+       struct hci_cp_disconnect *cp;
+       struct hci_conn *conn;
+
+       if (!status)
+               return;
+
+       cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
+       if (!cp)
+               return;
+
+       hci_dev_lock(hdev);
+
+       conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+       if (conn)
+               mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
+                                      conn->dst_type, status);
+
+       hci_dev_unlock(hdev);
+}
+
 static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
 {
        struct hci_cp_le_create_conn *cp;
@@ -1526,7 +1633,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
                        conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
                        if (conn) {
                                conn->dst_type = cp->peer_addr_type;
-                               conn->out = 1;
+                               conn->out = true;
                        } else {
                                BT_ERR("No memory for new connection");
                        }
@@ -1561,7 +1668,7 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff
 
        hci_dev_lock(hdev);
 
-       if (discov->state != DISCOVERY_INQUIRY)
+       if (discov->state != DISCOVERY_FINDING)
                goto unlock;
 
        if (list_empty(&discov->resolve)) {
@@ -1595,7 +1702,7 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
        hci_dev_lock(hdev);
 
        for (; num_rsp; num_rsp--, info++) {
-               bool name_known;
+               bool name_known, ssp;
 
                bacpy(&data.bdaddr, &info->bdaddr);
                data.pscan_rep_mode     = info->pscan_rep_mode;
@@ -1606,10 +1713,10 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
                data.rssi               = 0x00;
                data.ssp_mode           = 0x00;
 
-               name_known = hci_inquiry_cache_update(hdev, &data, false);
+               name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
                mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
-                                       info->dev_class, 0, !name_known,
-                                       NULL, 0);
+                                 info->dev_class, 0, !name_known, ssp, NULL,
+                                 0);
        }
 
        hci_dev_unlock(hdev);
@@ -1643,8 +1750,6 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                        conn->state = BT_CONFIG;
                        hci_conn_hold(conn);
                        conn->disc_timeout = HCI_DISCONN_TIMEOUT;
-                       mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
-                                                       conn->dst_type);
                } else
                        conn->state = BT_CONNECTED;
 
@@ -1662,7 +1767,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                        struct hci_cp_read_remote_features cp;
                        cp.handle = ev->handle;
                        hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
-                                                       sizeof(cp), &cp);
+                                    sizeof(cp), &cp);
                }
 
                /* Set packet type for incoming connection */
@@ -1670,14 +1775,14 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                        struct hci_cp_change_conn_ptype cp;
                        cp.handle = ev->handle;
                        cp.pkt_type = cpu_to_le16(conn->pkt_type);
-                       hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
-                                                       sizeof(cp), &cp);
+                       hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
+                                    &cp);
                }
        } else {
                conn->state = BT_CLOSED;
                if (conn->type == ACL_LINK)
                        mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
-                                               conn->dst_type, ev->status);
+                                           conn->dst_type, ev->status);
        }
 
        if (conn->type == ACL_LINK)
@@ -1742,8 +1847,8 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk
                        else
                                cp.role = 0x01; /* Remain slave */
 
-                       hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
-                                                       sizeof(cp), &cp);
+                       hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
+                                    &cp);
                } else {
                        struct hci_cp_accept_sync_conn_req cp;
 
@@ -1757,7 +1862,7 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk
                        cp.retrans_effort = 0xff;
 
                        hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
-                                                       sizeof(cp), &cp);
+                                    sizeof(cp), &cp);
                }
        } else {
                /* Connection rejected */
@@ -1785,15 +1890,19 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff
        if (ev->status == 0)
                conn->state = BT_CLOSED;
 
-       if (conn->type == ACL_LINK || conn->type == LE_LINK) {
+       if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
+                       (conn->type == ACL_LINK || conn->type == LE_LINK)) {
                if (ev->status != 0)
-                       mgmt_disconnect_failed(hdev, &conn->dst, ev->status);
+                       mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
+                                               conn->dst_type, ev->status);
                else
                        mgmt_device_disconnected(hdev, &conn->dst, conn->type,
-                                                       conn->dst_type);
+                                                conn->dst_type);
        }
 
        if (ev->status == 0) {
+               if (conn->type == ACL_LINK && conn->flush_key)
+                       hci_remove_link_key(hdev, &conn->dst);
                hci_proto_disconn_cfm(conn, ev->reason);
                hci_conn_del(conn);
        }
@@ -1816,22 +1925,23 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                goto unlock;
 
        if (!ev->status) {
-               if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
-                               test_bit(HCI_CONN_REAUTH_PEND,  &conn->flags)) {
+               if (!hci_conn_ssp_enabled(conn) &&
+                               test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
                        BT_INFO("re-auth of legacy device is not possible.");
                } else {
                        conn->link_mode |= HCI_LM_AUTH;
                        conn->sec_level = conn->pending_sec_level;
                }
        } else {
-               mgmt_auth_failed(hdev, &conn->dst, ev->status);
+               mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
+                                ev->status);
        }
 
        clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
        clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
 
        if (conn->state == BT_CONFIG) {
-               if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
+               if (!ev->status && hci_conn_ssp_enabled(conn)) {
                        struct hci_cp_set_conn_encrypt cp;
                        cp.handle  = ev->handle;
                        cp.encrypt = 0x01;
@@ -1878,14 +1988,18 @@ static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb
 
        hci_dev_lock(hdev);
 
-       if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
-               if (ev->status == 0)
-                       mgmt_remote_name(hdev, &ev->bdaddr, ev->name);
+       conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
 
-               hci_resolve_next_name(hdev, &ev->bdaddr);
-       }
+       if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+               goto check_auth;
 
-       conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+       if (ev->status == 0)
+               hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
+                                      strnlen(ev->name, HCI_MAX_NAME_LENGTH));
+       else
+               hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
+
+check_auth:
        if (!conn)
                goto unlock;
 
@@ -1925,6 +2039,12 @@ static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *
 
                clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
 
+               if (ev->status && conn->state == BT_CONNECTED) {
+                       hci_acl_disconn(conn, 0x13);
+                       hci_conn_put(conn);
+                       goto unlock;
+               }
+
                if (conn->state == BT_CONFIG) {
                        if (!ev->status)
                                conn->state = BT_CONNECTED;
@@ -1935,6 +2055,7 @@ static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *
                        hci_encrypt_cfm(conn, ev->status, ev->encrypt);
        }
 
+unlock:
        hci_dev_unlock(hdev);
 }
 
@@ -1994,7 +2115,10 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff
                bacpy(&cp.bdaddr, &conn->dst);
                cp.pscan_rep_mode = 0x02;
                hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
-       }
+       } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+               mgmt_device_connected(hdev, &conn->dst, conn->type,
+                                     conn->dst_type, 0, NULL, 0,
+                                     conn->dev_class);
 
        if (!hci_outgoing_auth_needed(hdev, conn)) {
                conn->state = BT_CONNECTED;
@@ -2102,10 +2226,6 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
                hci_cc_host_buffer_size(hdev, skb);
                break;
 
-       case HCI_OP_READ_SSP_MODE:
-               hci_cc_read_ssp_mode(hdev, skb);
-               break;
-
        case HCI_OP_WRITE_SSP_MODE:
                hci_cc_write_ssp_mode(hdev, skb);
                break;
@@ -2200,6 +2320,7 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
 
        case HCI_OP_USER_PASSKEY_NEG_REPLY:
                hci_cc_user_passkey_neg_reply(hdev, skb);
+               break;
 
        case HCI_OP_LE_SET_SCAN_PARAM:
                hci_cc_le_set_scan_param(hdev, skb);
@@ -2291,8 +2412,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
                break;
 
        case HCI_OP_DISCONNECT:
-               if (ev->status != 0)
-                       mgmt_disconnect_failed(hdev, NULL, ev->status);
+               hci_cs_disconnect(hdev, ev->status);
                break;
 
        case HCI_OP_LE_CREATE_CONN:
@@ -2411,7 +2531,7 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
 }
 
 static inline void hci_num_comp_blocks_evt(struct hci_dev *hdev,
-                                                       struct sk_buff *skb)
+                                          struct sk_buff *skb)
 {
        struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
        int i;
@@ -2476,9 +2596,9 @@ static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb
 
                if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
                        if (conn->mode == HCI_CM_ACTIVE)
-                               conn->power_save = 1;
+                               set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
                        else
-                               conn->power_save = 0;
+                               clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
                }
 
                if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
@@ -2679,7 +2799,7 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 {
        struct inquiry_data data;
        int num_rsp = *((__u8 *) skb->data);
-       bool name_known;
+       bool name_known, ssp;
 
        BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
 
@@ -2703,10 +2823,10 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
                        data.ssp_mode           = 0x00;
 
                        name_known = hci_inquiry_cache_update(hdev, &data,
-                                                               false);
+                                                             false, &ssp);
                        mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
-                                               info->dev_class, info->rssi,
-                                               !name_known, NULL, 0);
+                                         info->dev_class, info->rssi,
+                                         !name_known, ssp, NULL, 0);
                }
        } else {
                struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
@@ -2721,10 +2841,10 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
                        data.rssi               = info->rssi;
                        data.ssp_mode           = 0x00;
                        name_known = hci_inquiry_cache_update(hdev, &data,
-                                                               false);
+                                                             false, &ssp);
                        mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
-                                               info->dev_class, info->rssi,
-                                               !name_known, NULL, 0);
+                                         info->dev_class, info->rssi,
+                                         !name_known, ssp, NULL, 0);
                }
        }
 
@@ -2749,9 +2869,10 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
 
                ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
                if (ie)
-                       ie->data.ssp_mode = (ev->features[0] & 0x01);
+                       ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
 
-               conn->ssp_mode = (ev->features[0] & 0x01);
+               if (ev->features[0] & LMP_HOST_SSP)
+                       set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
        }
 
        if (conn->state != BT_CONFIG)
@@ -2763,7 +2884,10 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
                bacpy(&cp.bdaddr, &conn->dst);
                cp.pscan_rep_mode = 0x02;
                hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
-       }
+       } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+               mgmt_device_connected(hdev, &conn->dst, conn->type,
+                                     conn->dst_type, 0, NULL, 0,
+                                     conn->dev_class);
 
        if (!hci_outgoing_auth_needed(hdev, conn)) {
                conn->state = BT_CONNECTED;
@@ -2856,7 +2980,7 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
        hci_dev_lock(hdev);
 
        for (; num_rsp; num_rsp--, info++) {
-               bool name_known;
+               bool name_known, ssp;
 
                bacpy(&data.bdaddr, &info->bdaddr);
                data.pscan_rep_mode     = info->pscan_rep_mode;
@@ -2869,16 +2993,16 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
 
                if (test_bit(HCI_MGMT, &hdev->dev_flags))
                        name_known = eir_has_data_type(info->data,
-                                                       sizeof(info->data),
-                                                       EIR_NAME_COMPLETE);
+                                                      sizeof(info->data),
+                                                      EIR_NAME_COMPLETE);
                else
                        name_known = true;
 
-               name_known = hci_inquiry_cache_update(hdev, &data, name_known);
+               name_known = hci_inquiry_cache_update(hdev, &data, name_known,
+                                                     &ssp);
                mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
-                                               info->dev_class, info->rssi,
-                                               !name_known, info->data,
-                                               sizeof(info->data));
+                                 info->dev_class, info->rssi, !name_known,
+                                 ssp, info->data, sizeof(info->data));
        }
 
        hci_dev_unlock(hdev);
@@ -2926,11 +3050,14 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
                struct hci_cp_io_capability_reply cp;
 
                bacpy(&cp.bdaddr, &ev->bdaddr);
-               cp.capability = conn->io_capability;
+               /* Change the IO capability from KeyboardDisplay
+                * to DisplayYesNo as it is not supported by BT spec. */
+               cp.capability = (conn->io_capability == 0x04) ?
+                                               0x01 : conn->io_capability;
                conn->auth_type = hci_get_auth_req(conn);
                cp.authentication = conn->auth_type;
 
-               if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
+               if ((conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)) &&
                                hci_find_remote_oob_data(hdev, &conn->dst))
                        cp.oob_data = 0x01;
                else
@@ -2966,8 +3093,9 @@ static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *s
                goto unlock;
 
        conn->remote_cap = ev->capability;
-       conn->remote_oob = ev->oob_data;
        conn->remote_auth = ev->authentication;
+       if (ev->oob_data)
+               set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
 
 unlock:
        hci_dev_unlock(hdev);
@@ -3034,8 +3162,8 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
        }
 
 confirm:
-       mgmt_user_confirm_request(hdev, &ev->bdaddr, ev->passkey,
-                                                               confirm_hint);
+       mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
+                                 confirm_hint);
 
 unlock:
        hci_dev_unlock(hdev);
@@ -3051,7 +3179,7 @@ static inline void hci_user_passkey_request_evt(struct hci_dev *hdev,
        hci_dev_lock(hdev);
 
        if (test_bit(HCI_MGMT, &hdev->dev_flags))
-               mgmt_user_passkey_request(hdev, &ev->bdaddr);
+               mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
 
        hci_dev_unlock(hdev);
 }
@@ -3075,7 +3203,8 @@ static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_
         * event gets always produced as initiator and is also mapped to
         * the mgmt_auth_failed event */
        if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status != 0)
-               mgmt_auth_failed(hdev, &conn->dst, ev->status);
+               mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
+                                ev->status);
 
        hci_conn_put(conn);
 
@@ -3094,13 +3223,13 @@ static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_
 
        ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
        if (ie)
-               ie->data.ssp_mode = (ev->features[0] & 0x01);
+               ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
 
        hci_dev_unlock(hdev);
 }
 
 static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
-                                                       struct sk_buff *skb)
+                                                  struct sk_buff *skb)
 {
        struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
        struct oob_data *data;
@@ -3164,7 +3293,9 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
                goto unlock;
        }
 
-       mgmt_device_connected(hdev, &ev->bdaddr, conn->type, conn->dst_type);
+       if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+               mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
+                                     conn->dst_type, 0, NULL, 0, NULL);
 
        conn->sec_level = BT_SECURITY_LOW;
        conn->handle = __le16_to_cpu(ev->handle);
@@ -3195,7 +3326,7 @@ static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
 
                rssi = ev->data[ev->length];
                mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
-                                       NULL, rssi, 0, ev->data, ev->length);
+                                 NULL, rssi, 0, 1, ev->data, ev->length);
 
                ptr += sizeof(*ev) + ev->length + 1;
        }
@@ -3210,7 +3341,7 @@ static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
        struct hci_cp_le_ltk_reply cp;
        struct hci_cp_le_ltk_neg_reply neg;
        struct hci_conn *conn;
-       struct link_key *ltk;
+       struct smp_ltk *ltk;
 
        BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
 
@@ -3226,10 +3357,17 @@ static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
 
        memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
        cp.handle = cpu_to_le16(conn->handle);
-       conn->pin_length = ltk->pin_len;
+
+       if (ltk->authenticated)
+               conn->sec_level = BT_SECURITY_HIGH;
 
        hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
 
+       if (ltk->type & HCI_SMP_STK) {
+               list_del(&ltk->list);
+               kfree(ltk);
+       }
+
        hci_dev_unlock(hdev);
 
        return;
@@ -3432,34 +3570,3 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
        kfree_skb(skb);
        hdev->stat.evt_rx++;
 }
-
-/* Generate internal stack event */
-void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
-{
-       struct hci_event_hdr *hdr;
-       struct hci_ev_stack_internal *ev;
-       struct sk_buff *skb;
-
-       skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
-       if (!skb)
-               return;
-
-       hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
-       hdr->evt  = HCI_EV_STACK_INTERNAL;
-       hdr->plen = sizeof(*ev) + dlen;
-
-       ev  = (void *) skb_put(skb, sizeof(*ev) + dlen);
-       ev->type = type;
-       memcpy(ev->data, data, dlen);
-
-       bt_cb(skb)->incoming = 1;
-       __net_timestamp(skb);
-
-       bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
-       skb->dev = (void *) hdev;
-       hci_send_to_sock(hdev, skb, NULL);
-       kfree_skb(skb);
-}
-
-module_param(enable_le, bool, 0644);
-MODULE_PARM_DESC(enable_le, "Enable LE support");