Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

5 files changed, 150 insertions, 102 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index bcf8ffe2a84..90cf75afcb0 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -86,6 +86,7 @@ struct bdaddr_list {
 struct bt_uuid {
 	struct list_head list;
 	u8 uuid[16];
+	u8 size;
 	u8 svc_hint;
 };
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index d13ce99b410..22e77a78654 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1183,14 +1183,10 @@ static void hci_discov_off(struct work_struct *work)
 
 int hci_uuids_clear(struct hci_dev *hdev)
 {
-	struct list_head *p, *n;
-
-	list_for_each_safe(p, n, &hdev->uuids) {
-		struct bt_uuid *uuid;
+	struct bt_uuid *uuid, *tmp;
 
-		uuid = list_entry(p, struct bt_uuid, list);
-
-		list_del(p);
+	list_for_each_entry_safe(uuid, tmp, &hdev->uuids, list) {
+		list_del(&uuid->list);
 		kfree(uuid);
 	}
 
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0a4fd642d4b..477726a6351 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3988,8 +3988,6 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	void *ptr = &skb->data[1];
 	s8 rssi;
 
-	hci_dev_lock(hdev);
-
 	while (num_reports--) {
 		struct hci_ev_le_advertising_info *ev = ptr;
 
@@ -3999,8 +3997,6 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
 
 		ptr += sizeof(*ev) + ev->length + 1;
 	}
-
-	hci_dev_unlock(hdev);
 }
 
 static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index e7f944f52ff..39395c7144a 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -35,7 +35,7 @@
 bool enable_hs;
 
 #define MGMT_VERSION	1
-#define MGMT_REVISION	2
+#define MGMT_REVISION	3
 
 static const u16 mgmt_commands[] = {
 	MGMT_OP_READ_INDEX_LIST,
@@ -435,35 +435,117 @@ static u32 get_current_settings(struct hci_dev *hdev)
 
 #define PNP_INFO_SVCLASS_ID		0x1200
 
-static u8 bluetooth_base_uuid[] = {
-			0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
-			0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-};
+static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
+{
+	u8 *ptr = data, *uuids_start = NULL;
+	struct bt_uuid *uuid;
+
+	if (len < 4)
+		return ptr;
+
+	list_for_each_entry(uuid, &hdev->uuids, list) {
+		u16 uuid16;
+
+		if (uuid->size != 16)
+			continue;
+
+		uuid16 = get_unaligned_le16(&uuid->uuid[12]);
+		if (uuid16 < 0x1100)
+			continue;
+
+		if (uuid16 == PNP_INFO_SVCLASS_ID)
+			continue;
+
+		if (!uuids_start) {
+			uuids_start = ptr;
+			uuids_start[0] = 1;
+			uuids_start[1] = EIR_UUID16_ALL;
+			ptr += 2;
+		}
+
+		/* Stop if not enough space to put next UUID */
+		if ((ptr - data) + sizeof(u16) > len) {
+			uuids_start[1] = EIR_UUID16_SOME;
+			break;
+		}
+
+		*ptr++ = (uuid16 & 0x00ff);
+		*ptr++ = (uuid16 & 0xff00) >> 8;
+		uuids_start[0] += sizeof(uuid16);
+	}
+
+	return ptr;
+}
 
-static u16 get_uuid16(u8 *uuid128)
+static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
 {
-	u32 val;
-	int i;
+	u8 *ptr = data, *uuids_start = NULL;
+	struct bt_uuid *uuid;
+
+	if (len < 6)
+		return ptr;
+
+	list_for_each_entry(uuid, &hdev->uuids, list) {
+		if (uuid->size != 32)
+			continue;
+
+		if (!uuids_start) {
+			uuids_start = ptr;
+			uuids_start[0] = 1;
+			uuids_start[1] = EIR_UUID32_ALL;
+			ptr += 2;
+		}
+
+		/* Stop if not enough space to put next UUID */
+		if ((ptr - data) + sizeof(u32) > len) {
+			uuids_start[1] = EIR_UUID32_SOME;
+			break;
+		}
 
-	for (i = 0; i < 12; i++) {
-		if (bluetooth_base_uuid[i] != uuid128[i])
-			return 0;
+		memcpy(ptr, &uuid->uuid[12], sizeof(u32));
+		ptr += sizeof(u32);
+		uuids_start[0] += sizeof(u32);
 	}
 
-	val = get_unaligned_le32(&uuid128[12]);
-	if (val > 0xffff)
-		return 0;
+	return ptr;
+}
+
+static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
+{
+	u8 *ptr = data, *uuids_start = NULL;
+	struct bt_uuid *uuid;
+
+	if (len < 18)
+		return ptr;
+
+	list_for_each_entry(uuid, &hdev->uuids, list) {
+		if (uuid->size != 128)
+			continue;
+
+		if (!uuids_start) {
+			uuids_start = ptr;
+			uuids_start[0] = 1;
+			uuids_start[1] = EIR_UUID128_ALL;
+			ptr += 2;
+		}
 
-	return (u16) val;
+		/* Stop if not enough space to put next UUID */
+		if ((ptr - data) + 16 > len) {
+			uuids_start[1] = EIR_UUID128_SOME;
+			break;
+		}
+
+		memcpy(ptr, uuid->uuid, 16);
+		ptr += 16;
+		uuids_start[0] += 16;
+	}
+
+	return ptr;
 }
 
 static void create_eir(struct hci_dev *hdev, u8 *data)
 {
 	u8 *ptr = data;
-	u16 eir_len = 0;
-	u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)];
-	int i, truncated = 0;
-	struct bt_uuid *uuid;
 	size_t name_len;
 
 	name_len = strlen(hdev->dev_name);
@@ -481,7 +563,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data)
 
 		memcpy(ptr + 2, hdev->dev_name, name_len);
 
-		eir_len += (name_len + 2);
 		ptr += (name_len + 2);
 	}
 
@@ -490,7 +571,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data)
 		ptr[1] = EIR_TX_POWER;
 		ptr[2] = (u8) hdev->inq_tx_power;
 
-		eir_len += 3;
 		ptr += 3;
 	}
 
@@ -503,60 +583,12 @@ static void create_eir(struct hci_dev *hdev, u8 *data)
 		put_unaligned_le16(hdev->devid_product, ptr + 6);
 		put_unaligned_le16(hdev->devid_version, ptr + 8);
 
-		eir_len += 10;
 		ptr += 10;
 	}
 
-	memset(uuid16_list, 0, sizeof(uuid16_list));
-
-	/* Group all UUID16 types */
-	list_for_each_entry(uuid, &hdev->uuids, list) {
-		u16 uuid16;
-
-		uuid16 = get_uuid16(uuid->uuid);
-		if (uuid16 == 0)
-			return;
-
-		if (uuid16 < 0x1100)
-			continue;
-
-		if (uuid16 == PNP_INFO_SVCLASS_ID)
-			continue;
-
-		/* Stop if not enough space to put next UUID */
-		if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) {
-			truncated = 1;
-			break;
-		}
-
-		/* Check for duplicates */
-		for (i = 0; uuid16_list[i] != 0; i++)
-			if (uuid16_list[i] == uuid16)
-				break;
-
-		if (uuid16_list[i] == 0) {
-			uuid16_list[i] = uuid16;
-			eir_len += sizeof(u16);
-		}
-	}
-
-	if (uuid16_list[0] != 0) {
-		u8 *length = ptr;
-
-		/* EIR Data type */
-		ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL;
-
-		ptr += 2;
-		eir_len += 2;
-
-		for (i = 0; uuid16_list[i] != 0; i++) {
-			*ptr++ = (uuid16_list[i] & 0x00ff);
-			*ptr++ = (uuid16_list[i] & 0xff00) >> 8;
-		}
-
-		/* EIR Data length */
-		*length = (i * sizeof(u16)) + 1;
-	}
+	ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
+	ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
+	ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
 }
 
 static int update_eir(struct hci_dev *hdev)
@@ -728,13 +760,9 @@ static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
 					    void *data),
 				 void *data)
 {
-	struct list_head *p, *n;
-
-	list_for_each_safe(p, n, &hdev->mgmt_pending) {
-		struct pending_cmd *cmd;
-
-		cmd = list_entry(p, struct pending_cmd, list);
+	struct pending_cmd *cmd, *tmp;
 
+	list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
 		if (opcode > 0 && cmd->opcode != opcode)
 			continue;
 
@@ -1304,6 +1332,25 @@ unlock:
 	return err;
 }
 
+static const u8 bluetooth_base_uuid[] = {
+			0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
+			0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static u8 get_uuid_size(const u8 *uuid)
+{
+	u32 val;
+
+	if (memcmp(uuid, bluetooth_base_uuid, 12))
+		return 128;
+
+	val = get_unaligned_le32(&uuid[12]);
+	if (val > 0xffff)
+		return 32;
+
+	return 16;
+}
+
 static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 {
 	struct mgmt_cp_add_uuid *cp = data;
@@ -1329,8 +1376,9 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 
 	memcpy(uuid->uuid, cp->uuid, 16);
 	uuid->svc_hint = cp->svc_hint;
+	uuid->size = get_uuid_size(cp->uuid);
 
-	list_add(&uuid->list, &hdev->uuids);
+	list_add_tail(&uuid->list, &hdev->uuids);
 
 	err = update_class(hdev);
 	if (err < 0)
@@ -1374,7 +1422,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
 {
 	struct mgmt_cp_remove_uuid *cp = data;
 	struct pending_cmd *cmd;
-	struct list_head *p, *n;
+	struct bt_uuid *match, *tmp;
 	u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 	int err, found;
 
@@ -1402,9 +1450,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	found = 0;
 
-	list_for_each_safe(p, n, &hdev->uuids) {
-		struct bt_uuid *match = list_entry(p, struct bt_uuid, list);
-
+	list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
 		if (memcmp(match->uuid, cp->uuid, 16) != 0)
 			continue;
 
@@ -3023,6 +3069,8 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
 	mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
 
 	if (powered) {
+		u8 link_sec;
+
 		if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
 		    !lmp_host_ssp_capable(hdev)) {
 			u8 ssp = 1;
@@ -3046,6 +3094,11 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
 					     sizeof(cp), &cp);
 		}
 
+		link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
+		if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
+			hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE,
+				     sizeof(link_sec), &link_sec);
+
 		if (lmp_bredr_capable(hdev)) {
 			set_bredr_scan(hdev);
 			update_class(hdev);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 57f250c20e3..b5178d62064 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -900,8 +900,6 @@ static void sco_conn_ready(struct sco_conn *conn)
 
 	BT_DBG("conn %p", conn);
 
-	sco_conn_lock(conn);
-
 	if (sk) {
 		sco_sock_clear_timer(sk);
 		bh_lock_sock(sk);
@@ -909,9 +907,13 @@ static void sco_conn_ready(struct sco_conn *conn)
 		sk->sk_state_change(sk);
 		bh_unlock_sock(sk);
 	} else {
+		sco_conn_lock(conn);
+
 		parent = sco_get_sock_listen(conn->src);
-		if (!parent)
-			goto done;
+		if (!parent) {
+			sco_conn_unlock(conn);
+			return;
+		}
 
 		bh_lock_sock(parent);
 
@@ -919,7 +921,8 @@ static void sco_conn_ready(struct sco_conn *conn)
 				    BTPROTO_SCO, GFP_ATOMIC);
 		if (!sk) {
 			bh_unlock_sock(parent);
-			goto done;
+			sco_conn_unlock(conn);
+			return;
 		}
 
 		sco_sock_init(sk, parent);
@@ -939,10 +942,9 @@ static void sco_conn_ready(struct sco_conn *conn)
 		parent->sk_data_ready(parent, 1);
 
 		bh_unlock_sock(parent);
-	}
 
-done:
-	sco_conn_unlock(conn);
+		sco_conn_unlock(conn);
+	}
 }
 
 /* ----- SCO interface with lower layer (HCI) ----- */