5 files changed, 118 insertions, 23 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 5ac0a18db63c..55576e848827 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -180,6 +180,8 @@ enum {
 
 #define LMP_SNIFF_SUBR  0x02
 
+#define LMP_SIMPLE_PAIR 0x08
+
 /* Connection modes */
 #define HCI_CM_ACTIVE   0x0000
 #define HCI_CM_HOLD     0x0001
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index f73cc2945700..28fbd0caa534 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -348,7 +348,7 @@ static inline void hci_conn_put(struct hci_conn *conn)
                         if (conn->state == BT_CONNECTED) {
                                 timeo = msecs_to_jiffies(HCI_DISCONN_TIMEOUT);
                                 if (!conn->out)
-                                        timeo *= 2;
+                                        timeo *= 5;
                         } else
                                 timeo = msecs_to_jiffies(10);
                 } else
@@ -463,6 +463,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
 #define lmp_sniff_capable(dev)     ((dev)->features[0] & LMP_SNIFF)
 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
 #define lmp_esco_capable(dev)      ((dev)->features[3] & LMP_ESCO)
+#define lmp_ssp_capable(dev)       ((dev)->features[6] & LMP_SIMPLE_PAIR)
 
 /* ----- HCI protocols ----- */
 struct hci_proto {
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 41351ba692e9..6f22533e7656 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -170,11 +170,13 @@ static void hci_conn_timeout(unsigned long arg)
 
         switch (conn->state) {
         case BT_CONNECT:
+        case BT_CONNECT2:
                 if (conn->type == ACL_LINK)
                         hci_acl_connect_cancel(conn);
                 else
                         hci_acl_disconn(conn, 0x13);
                 break;
+        case BT_CONFIG:
         case BT_CONNECTED:
                 hci_acl_disconn(conn, 0x13);
                 break;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 69b2c1aac08a..f5b21cb93699 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1283,9 +1283,12 @@ static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int
                 struct hci_conn *c;
                 c = list_entry(p, struct hci_conn, list);
 
-                if (c->type != type || c->state != BT_CONNECTED
-                                || skb_queue_empty(&c->data_q))
+                if (c->type != type || skb_queue_empty(&c->data_q))
                         continue;
+
+                if (c->state != BT_CONNECTED && c->state != BT_CONFIG)
+                        continue;
+
                 num++;
 
                 if (c->sent < min) {
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index c8fda7dc2986..e3e360c3c536 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -624,6 +624,62 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
         BT_DBG("%s status 0x%x", hdev->name, status);
 }
 
+static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
+{
+        struct hci_cp_read_remote_features *cp;
+        struct hci_conn *conn;
+
+        BT_DBG("%s status 0x%x", hdev->name, status);
+
+        if (!status)
+                return;
+
+        cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
+        if (!cp)
+                return;
+
+        hci_dev_lock(hdev);
+
+        conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+        if (conn) {
+                if (conn->state == BT_CONFIG) {
+                        conn->state = BT_CONNECTED;
+                        hci_proto_connect_cfm(conn, status);
+                        hci_conn_put(conn);
+                }
+        }
+
+        hci_dev_unlock(hdev);
+}
+
+static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
+{
+        struct hci_cp_read_remote_ext_features *cp;
+        struct hci_conn *conn;
+
+        BT_DBG("%s status 0x%x", hdev->name, status);
+
+        if (!status)
+                return;
+
+        cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
+        if (!cp)
+                return;
+
+        hci_dev_lock(hdev);
+
+        conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+        if (conn) {
+                if (conn->state == BT_CONFIG) {
+                        conn->state = BT_CONNECTED;
+                        hci_proto_connect_cfm(conn, status);
+                        hci_conn_put(conn);
+                }
+        }
+
+        hci_dev_unlock(hdev);
+}
+
 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
 {
         struct hci_cp_setup_sync_conn *cp;
@@ -759,7 +815,12 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
 
         if (!ev->status) {
                 conn->handle = __le16_to_cpu(ev->handle);
-                conn->state  = BT_CONNECTED;
+
+                if (conn->type == ACL_LINK) {
+                        conn->state = BT_CONFIG;
+                        hci_conn_hold(conn);
+                } else
+                        conn->state = BT_CONNECTED;
 
                 if (test_bit(HCI_AUTH, &hdev->flags))
                         conn->link_mode |= HCI_LM_AUTH;
@@ -771,7 +832,8 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                 if (conn->type == ACL_LINK) {
                         struct hci_cp_read_remote_features cp;
                         cp.handle = ev->handle;
-                        hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, sizeof(cp), &cp);
+                        hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
+                                                        sizeof(cp), &cp);
                 }
 
                 /* Set packet type for incoming connection */
@@ -781,10 +843,6 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                         cp.pkt_type = cpu_to_le16(conn->pkt_type);
                         hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
                                                         sizeof(cp), &cp);
-                } else {
-                        /* Update disconnect timer */
-                        hci_conn_hold(conn);
-                        hci_conn_put(conn);
                 }
         } else
                 conn->state = BT_CLOSED;
@@ -804,9 +862,10 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
                 }
         }
 
-        hci_proto_connect_cfm(conn, ev->status);
-        if (ev->status)
+        if (ev->status) {
+                hci_proto_connect_cfm(conn, ev->status);
                 hci_conn_del(conn);
+        }
 
 unlock:
         hci_dev_unlock(hdev);
@@ -1006,14 +1065,29 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff
 
         BT_DBG("%s status %d", hdev->name, ev->status);
 
-        if (ev->status)
-                return;
-
         hci_dev_lock(hdev);
 
         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
-        if (conn)
-                memcpy(conn->features, ev->features, 8);
+        if (conn) {
+                if (!ev->status)
+                        memcpy(conn->features, ev->features, 8);
+
+                if (conn->state == BT_CONFIG) {
+                        if (!ev->status && lmp_ssp_capable(hdev) &&
+                                                lmp_ssp_capable(conn)) {
+                                struct hci_cp_read_remote_ext_features cp;
+                                cp.handle = ev->handle;
+                                cp.page = 0x01;
+                                hci_send_cmd(hdev,
+                                        HCI_OP_READ_REMOTE_EXT_FEATURES,
+                                                        sizeof(cp), &cp);
+                        } else {
+                                conn->state = BT_CONNECTED;
+                                hci_proto_connect_cfm(conn, ev->status);
+                                hci_conn_put(conn);
+                        }
+                }
+        }
 
         hci_dev_unlock(hdev);
 }
@@ -1180,6 +1254,14 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
                 hci_cs_remote_name_req(hdev, ev->status);
                 break;
 
+        case HCI_OP_READ_REMOTE_FEATURES:
+                hci_cs_read_remote_features(hdev, ev->status);
+                break;
+
+        case HCI_OP_READ_REMOTE_EXT_FEATURES:
+                hci_cs_read_remote_ext_features(hdev, ev->status);
+                break;
+
         case HCI_OP_SETUP_SYNC_CONN:
                 hci_cs_setup_sync_conn(hdev, ev->status);
                 break;
@@ -1422,19 +1504,24 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
 
         BT_DBG("%s", hdev->name);
 
-        if (ev->status || ev->page != 0x01)
-                return;
-
         hci_dev_lock(hdev);
 
         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
         if (conn) {
-                struct inquiry_entry *ie;
+                if (!ev->status && ev->page == 0x01) {
+                        struct inquiry_entry *ie;
 
-                if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)))
-                        ie->data.ssp_mode = (ev->features[0] & 0x01);
+                        if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)))
+                                ie->data.ssp_mode = (ev->features[0] & 0x01);
 
-                conn->ssp_mode = (ev->features[0] & 0x01);
+                        conn->ssp_mode = (ev->features[0] & 0x01);
+                }
+
+                if (conn->state == BT_CONFIG) {
+                        conn->state = BT_CONNECTED;
+                        hci_proto_connect_cfm(conn, ev->status);
+                        hci_conn_put(conn);
+                }
         }
 
         hci_dev_unlock(hdev);