1 files changed, 112 insertions, 20 deletions

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 4bb16b8decb1..33c4e0cd83b1 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -53,11 +53,13 @@ static void hci_le_connect(struct hci_conn *conn)
 	conn->state = BT_CONNECT;
 	conn->out = 1;
 	conn->link_mode |= HCI_LM_MASTER;
+	conn->sec_level = BT_SECURITY_LOW;
 
 	memset(&cp, 0, sizeof(cp));
 	cp.scan_interval = cpu_to_le16(0x0004);
 	cp.scan_window = cpu_to_le16(0x0004);
 	bacpy(&cp.peer_addr, &conn->dst);
+	cp.peer_addr_type = conn->dst_type;
 	cp.conn_interval_min = cpu_to_le16(0x0008);
 	cp.conn_interval_max = cpu_to_le16(0x0100);
 	cp.supervision_timeout = cpu_to_le16(0x0064);
@@ -203,6 +205,55 @@ void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
 }
 EXPORT_SYMBOL(hci_le_conn_update);
 
+void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
+							__u8 ltk[16])
+{
+	struct hci_dev *hdev = conn->hdev;
+	struct hci_cp_le_start_enc cp;
+
+	BT_DBG("%p", conn);
+
+	memset(&cp, 0, sizeof(cp));
+
+	cp.handle = cpu_to_le16(conn->handle);
+	memcpy(cp.ltk, ltk, sizeof(cp.ltk));
+	cp.ediv = ediv;
+	memcpy(cp.rand, rand, sizeof(rand));
+
+	hci_send_cmd(hdev, HCI_OP_LE_START_ENC, sizeof(cp), &cp);
+}
+EXPORT_SYMBOL(hci_le_start_enc);
+
+void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16])
+{
+	struct hci_dev *hdev = conn->hdev;
+	struct hci_cp_le_ltk_reply cp;
+
+	BT_DBG("%p", conn);
+
+	memset(&cp, 0, sizeof(cp));
+
+	cp.handle = cpu_to_le16(conn->handle);
+	memcpy(cp.ltk, ltk, sizeof(ltk));
+
+	hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+}
+EXPORT_SYMBOL(hci_le_ltk_reply);
+
+void hci_le_ltk_neg_reply(struct hci_conn *conn)
+{
+	struct hci_dev *hdev = conn->hdev;
+	struct hci_cp_le_ltk_neg_reply cp;
+
+	BT_DBG("%p", conn);
+
+	memset(&cp, 0, sizeof(cp));
+
+	cp.handle = cpu_to_le16(conn->handle);
+
+	hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(cp), &cp);
+}
+
 /* Device _must_ be locked */
 void hci_sco_setup(struct hci_conn *conn, __u8 status)
 {
@@ -282,7 +333,8 @@ static void hci_conn_auto_accept(unsigned long arg)
 	hci_dev_unlock(hdev);
 }
 
-struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
+struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type,
+					__u16 pkt_type, bdaddr_t *dst)
 {
 	struct hci_conn *conn;
 
@@ -310,14 +362,22 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
 		conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK;
 		break;
 	case SCO_LINK:
-		if (lmp_esco_capable(hdev))
-			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;
+		if (!pkt_type)
+			pkt_type = SCO_ESCO_MASK;
 	case ESCO_LINK:
-		conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK;
+		if (!pkt_type)
+			pkt_type = ALL_ESCO_MASK;
+		if (lmp_esco_capable(hdev)) {
+			/* HCI Setup Synchronous Connection Command uses
+			   reverse logic on the EDR_ESCO_MASK bits */
+			conn->pkt_type = (pkt_type ^ EDR_ESCO_MASK) &
+					hdev->esco_type;
+		} else {
+			/* Legacy HCI Add Sco Connection Command uses a
+			   shifted bitmask */
+			conn->pkt_type = (pkt_type << 5) & hdev->pkt_type &
+					SCO_PTYPE_MASK;
+		}
 		break;
 	}
 
@@ -441,7 +501,9 @@ EXPORT_SYMBOL(hci_get_route);
 
 /* Create SCO, ACL or LE connection.
  * Device _must_ be locked */
-struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type)
+struct hci_conn *hci_connect(struct hci_dev *hdev, int type,
+					__u16 pkt_type, bdaddr_t *dst,
+					__u8 sec_level, __u8 auth_type)
 {
 	struct hci_conn *acl;
 	struct hci_conn *sco;
@@ -450,14 +512,23 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 	BT_DBG("%s dst %s", hdev->name, batostr(dst));
 
 	if (type == LE_LINK) {
+		struct adv_entry *entry;
+
 		le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
 		if (le)
 			return ERR_PTR(-EBUSY);
-		le = hci_conn_add(hdev, LE_LINK, dst);
+
+		entry = hci_find_adv_entry(hdev, dst);
+		if (!entry)
+			return ERR_PTR(-EHOSTUNREACH);
+
+		le = hci_conn_add(hdev, LE_LINK, 0, dst);
 		if (!le)
 			return ERR_PTR(-ENOMEM);
-		if (le->state == BT_OPEN)
-			hci_le_connect(le);
+
+		le->dst_type = entry->bdaddr_type;
+
+		hci_le_connect(le);
 
 		hci_conn_hold(le);
 
@@ -466,7 +537,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 
 	acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
 	if (!acl) {
-		acl = hci_conn_add(hdev, ACL_LINK, dst);
+		acl = hci_conn_add(hdev, ACL_LINK, 0, dst);
 		if (!acl)
 			return NULL;
 	}
@@ -485,7 +556,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 
 	sco = hci_conn_hash_lookup_ba(hdev, type, dst);
 	if (!sco) {
-		sco = hci_conn_add(hdev, type, dst);
+		sco = hci_conn_add(hdev, type, pkt_type, dst);
 		if (!sco) {
 			hci_conn_put(acl);
 			return NULL;
@@ -500,7 +571,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 	if (acl->state == BT_CONNECTED &&
 			(sco->state == BT_OPEN || sco->state == BT_CLOSED)) {
 		acl->power_save = 1;
-		hci_conn_enter_active_mode(acl);
+		hci_conn_enter_active_mode(acl, BT_POWER_FORCE_ACTIVE_ON);
 
 		if (test_bit(HCI_CONN_MODE_CHANGE_PEND, &acl->pend)) {
 			/* defer SCO setup until mode change completed */
@@ -555,6 +626,8 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		cp.handle = cpu_to_le16(conn->handle);
 		hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
 							sizeof(cp), &cp);
+		if (conn->key_type != 0xff)
+			set_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
 	}
 
 	return 0;
@@ -638,9 +711,7 @@ int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
 	if (sec_level != BT_SECURITY_HIGH)
 		return 1; /* Accept if non-secure is required */
 
-	if (conn->key_type == HCI_LK_AUTH_COMBINATION ||
-			(conn->key_type == HCI_LK_COMBINATION &&
-			conn->pin_length == 16))
+	if (conn->sec_level == BT_SECURITY_HIGH)
 		return 1;
 
 	return 0; /* Reject not secure link */
@@ -683,7 +754,7 @@ int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
 EXPORT_SYMBOL(hci_conn_switch_role);
 
 /* Enter active mode */
-void hci_conn_enter_active_mode(struct hci_conn *conn)
+void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
 {
 	struct hci_dev *hdev = conn->hdev;
 
@@ -692,7 +763,10 @@ void hci_conn_enter_active_mode(struct hci_conn *conn)
 	if (test_bit(HCI_RAW, &hdev->flags))
 		return;
 
-	if (conn->mode != HCI_CM_SNIFF || !conn->power_save)
+	if (conn->mode != HCI_CM_SNIFF)
+		goto timer;
+
+	if (!conn->power_save && !force_active)
 		goto timer;
 
 	if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
@@ -833,6 +907,15 @@ int hci_get_conn_list(void __user *arg)
 		(ci + n)->out   = c->out;
 		(ci + n)->state = c->state;
 		(ci + n)->link_mode = c->link_mode;
+		if (c->type == SCO_LINK) {
+			(ci + n)->mtu = hdev->sco_mtu;
+			(ci + n)->cnt = hdev->sco_cnt;
+			(ci + n)->pkts = hdev->sco_pkts;
+		} else {
+			(ci + n)->mtu = hdev->acl_mtu;
+			(ci + n)->cnt = hdev->acl_cnt;
+			(ci + n)->pkts = hdev->acl_pkts;
+		}
 		if (++n >= req.conn_num)
 			break;
 	}
@@ -869,6 +952,15 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg)
 		ci.out   = conn->out;
 		ci.state = conn->state;
 		ci.link_mode = conn->link_mode;
+		if (req.type == SCO_LINK) {
+			ci.mtu = hdev->sco_mtu;
+			ci.cnt = hdev->sco_cnt;
+			ci.pkts = hdev->sco_pkts;
+		} else {
+			ci.mtu = hdev->acl_mtu;
+			ci.cnt = hdev->acl_cnt;
+			ci.pkts = hdev->acl_pkts;
+		}
 	}
 	hci_dev_unlock_bh(hdev);