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

Johan Hedberg says:

====================
pull request: bluetooth-next 2020-07-31

Here's the main bluetooth-next pull request for 5.9:

 - Fix firmware filenames for Marvell chipsets
 - Several suspend-related fixes
 - Addedd mgmt commands for runtime configuration
 - Multiple fixes for Qualcomm-based controllers
 - Add new monitoring feature for mgmt
 - Fix handling of legacy cipher (E4) together with security level 4
 - Add support for Realtek 8822CE controller
 - Fix issues with Chinese controllers using fake VID/PID values
 - Multiple other smaller fixes & improvements
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/bluetooth/bluetooth.h

@@ -41,6 +41,8 @@
 #define BLUETOOTH_VER_1_1	1
 #define BLUETOOTH_VER_1_2	2
 #define BLUETOOTH_VER_2_0	3
+#define BLUETOOTH_VER_2_1	4
+#define BLUETOOTH_VER_4_0	6
 
 /* Reserv for core and drivers use */
 #define BT_SKB_RESERVE	8
@@ -147,6 +149,10 @@ struct bt_voice {
 #define BT_MODE_LE_FLOWCTL	0x03
 #define BT_MODE_EXT_FLOWCTL	0x04
 
+#define BT_PKT_STATUS          16
+
+#define BT_SCM_PKT_STATUS	0x03
+
 __printf(1, 2)
 void bt_info(const char *fmt, ...);
 __printf(1, 2)
@@ -286,6 +292,7 @@ struct bt_sock {
 	struct sock *parent;
 	unsigned long flags;
 	void (*skb_msg_name)(struct sk_buff *, void *, int *);
+	void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *);
 };
 
 enum {
@@ -335,6 +342,10 @@ struct l2cap_ctrl {
 	struct l2cap_chan *chan;
 };
 
+struct sco_ctrl {
+	u8	pkt_status;
+};
+
 struct hci_dev;
 
 typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
@@ -361,6 +372,7 @@ struct bt_skb_cb {
 	u8 incoming:1;
 	union {
 		struct l2cap_ctrl l2cap;
+		struct sco_ctrl sco;
 		struct hci_ctrl hci;
 	};
 };

include/net/bluetooth/hci.h

@@ -227,6 +227,17 @@ enum {
 	 * supported.
 	 */
 	HCI_QUIRK_VALID_LE_STATES,
+
+	/* When this quirk is set, then erroneous data reporting
+	 * is ignored. This is mainly due to the fact that the HCI
+	 * Read Default Erroneous Data Reporting command is advertised,
+	 * but not supported; these controllers often reply with unknown
+	 * command and tend to lock up randomly. Needing a hard reset.
+	 *
+	 * This quirk can be set before hci_register_dev is called or
+	 * during the hdev->setup vendor callback.
+	 */
+	HCI_QUIRK_BROKEN_ERR_DATA_REPORTING,
 };
 
 /* HCI device flags */
@@ -307,6 +318,7 @@ enum {
 	HCI_FORCE_BREDR_SMP,
 	HCI_FORCE_STATIC_ADDR,
 	HCI_LL_RPA_RESOLUTION,
+	HCI_ENABLE_LL_PRIVACY,
 	HCI_CMD_PENDING,
 	HCI_FORCE_NO_MITM,
 
@@ -1637,6 +1649,8 @@ struct hci_rp_le_read_resolv_list_size {
 
 #define HCI_OP_LE_SET_ADDR_RESOLV_ENABLE 0x202d
 
+#define HCI_OP_LE_SET_RPA_TIMEOUT	0x202e
+
 #define HCI_OP_LE_READ_MAX_DATA_LEN	0x202f
 struct hci_rp_le_read_max_data_len {
 	__u8	status;
@@ -2268,8 +2282,10 @@ struct hci_ev_le_conn_complete {
 #define LE_EXT_ADV_SCAN_RSP		0x0008
 #define LE_EXT_ADV_LEGACY_PDU		0x0010
 
-#define ADDR_LE_DEV_PUBLIC	0x00
-#define ADDR_LE_DEV_RANDOM	0x01
+#define ADDR_LE_DEV_PUBLIC		0x00
+#define ADDR_LE_DEV_RANDOM		0x01
+#define ADDR_LE_DEV_PUBLIC_RESOLVED	0x02
+#define ADDR_LE_DEV_RANDOM_RESOLVED	0x03
 
 #define HCI_EV_LE_ADVERTISING_REPORT	0x02
 struct hci_ev_le_advertising_info {
@@ -2516,4 +2532,12 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
 #define hci_iso_data_len(h)		((h) & 0x3fff)
 #define hci_iso_data_flags(h)		((h) >> 14)
 
+/* le24 support */
+static inline void hci_cpu_to_le24(__u32 val, __u8 dst[3])
+{
+	dst[0] = val & 0xff;
+	dst[1] = (val & 0xff00) >> 8;
+	dst[2] = (val & 0xff0000) >> 16;
+}
+
 #endif /* __HCI_H */

include/net/bluetooth/hci_core.h

@@ -25,6 +25,7 @@
 #ifndef __HCI_CORE_H
 #define __HCI_CORE_H
 
+#include <linux/idr.h>
 #include <linux/leds.h>
 #include <linux/rculist.h>
 
@@ -136,6 +137,23 @@ struct bdaddr_list_with_irk {
 	u8 local_irk[16];
 };
 
+struct bdaddr_list_with_flags {
+	struct list_head list;
+	bdaddr_t bdaddr;
+	u8 bdaddr_type;
+	u32 current_flags;
+};
+
+enum hci_conn_flags {
+	HCI_CONN_FLAG_REMOTE_WAKEUP,
+	HCI_CONN_FLAG_MAX
+};
+
+#define hci_conn_test_flag(nr, flags) ((flags) & (1U << nr))
+
+/* Make sure number of flags doesn't exceed sizeof(current_flags) */
+static_assert(HCI_CONN_FLAG_MAX < 32);
+
 struct bt_uuid {
 	struct list_head list;
 	u8 uuid[16];
@@ -220,6 +238,24 @@ struct adv_info {
 #define HCI_MAX_ADV_INSTANCES		5
 #define HCI_DEFAULT_ADV_DURATION	2
 
+struct adv_pattern {
+	struct list_head list;
+	__u8 ad_type;
+	__u8 offset;
+	__u8 length;
+	__u8 value[HCI_MAX_AD_LENGTH];
+};
+
+struct adv_monitor {
+	struct list_head patterns;
+	bool		active;
+	__u16		handle;
+};
+
+#define HCI_MIN_ADV_MONITOR_HANDLE		1
+#define HCI_MAX_ADV_MONITOR_NUM_HANDLES	32
+#define HCI_MAX_ADV_MONITOR_NUM_PATTERNS	16
+
 #define HCI_MAX_SHORT_NAME_LENGTH	10
 
 /* Min encryption key size to match with SMP */
@@ -295,6 +331,14 @@ struct hci_dev {
 	__u8		le_scan_type;
 	__u16		le_scan_interval;
 	__u16		le_scan_window;
+	__u16		le_scan_int_suspend;
+	__u16		le_scan_window_suspend;
+	__u16		le_scan_int_discovery;
+	__u16		le_scan_window_discovery;
+	__u16		le_scan_int_adv_monitor;
+	__u16		le_scan_window_adv_monitor;
+	__u16		le_scan_int_connect;
+	__u16		le_scan_window_connect;
 	__u16		le_conn_min_interval;
 	__u16		le_conn_max_interval;
 	__u16		le_conn_latency;
@@ -323,6 +367,17 @@ struct hci_dev {
 	__u16		devid_product;
 	__u16		devid_version;
 
+	__u8		def_page_scan_type;
+	__u16		def_page_scan_int;
+	__u16		def_page_scan_window;
+	__u8		def_inq_scan_type;
+	__u16		def_inq_scan_int;
+	__u16		def_inq_scan_window;
+	__u16		def_br_lsto;
+	__u16		def_page_timeout;
+	__u16		def_multi_adv_rotation_duration;
+	__u16		def_le_autoconnect_timeout;
+
 	__u16		pkt_type;
 	__u16		esco_type;
 	__u16		link_policy;
@@ -438,7 +493,6 @@ struct hci_dev {
 	struct list_head	mgmt_pending;
 	struct list_head	blacklist;
 	struct list_head	whitelist;
-	struct list_head	wakeable;
 	struct list_head	uuids;
 	struct list_head	link_keys;
 	struct list_head	long_term_keys;
@@ -477,6 +531,9 @@ struct hci_dev {
 	__u16			adv_instance_timeout;
 	struct delayed_work	adv_instance_expire;
 
+	struct idr		adv_monitors_idr;
+	unsigned int		adv_monitors_cnt;
+
 	__u8			irk[16];
 	__u32			rpa_timeout;
 	struct delayed_work	rpa_expired;
@@ -508,6 +565,12 @@ struct hci_dev {
 
 #define HCI_PHY_HANDLE(handle)	(handle & 0xff)
 
+enum conn_reasons {
+	CONN_REASON_PAIR_DEVICE,
+	CONN_REASON_L2CAP_CHAN,
+	CONN_REASON_SCO_CONNECT,
+};
+
 struct hci_conn {
 	struct list_head list;
 
@@ -559,6 +622,8 @@ struct hci_conn {
 	__s8		max_tx_power;
 	unsigned long	flags;
 
+	enum conn_reasons conn_reason;
+
 	__u32		clock;
 	__u16		clock_accuracy;
 
@@ -626,7 +691,7 @@ struct hci_conn_params {
 
 	struct hci_conn *conn;
 	bool explicit_connect;
-	bool wakeable;
+	u32 current_flags;
 };
 
 extern struct list_head hci_dev_list;
@@ -984,12 +1049,14 @@ struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
 
 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
 				     u8 dst_type, u8 sec_level,
-				     u16 conn_timeout);
+				     u16 conn_timeout,
+				     enum conn_reasons conn_reason);
 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 				u8 dst_type, u8 sec_level, u16 conn_timeout,
 				u8 role, bdaddr_t *direct_rpa);
 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
-				 u8 sec_level, u8 auth_type);
+				 u8 sec_level, u8 auth_type,
+				 enum conn_reasons conn_reason);
 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
 				 __u16 setting);
 int hci_conn_check_link_mode(struct hci_conn *conn);
@@ -1151,12 +1218,19 @@ struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
 				    struct list_head *list, bdaddr_t *bdaddr,
 				    u8 type);
+struct bdaddr_list_with_flags *
+hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
+				  u8 type);
 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
-					u8 type, u8 *peer_irk, u8 *local_irk);
+				 u8 type, u8 *peer_irk, u8 *local_irk);
+int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
+				   u8 type, u32 flags);
 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
-								u8 type);
+				 u8 type);
+int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
+				   u8 type);
 void hci_bdaddr_list_clear(struct list_head *list);
 
 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
@@ -1217,6 +1291,12 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
 
+void hci_adv_monitors_clear(struct hci_dev *hdev);
+void hci_free_adv_monitor(struct adv_monitor *monitor);
+int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
+int hci_remove_adv_monitor(struct hci_dev *hdev, u16 handle);
+bool hci_is_adv_monitoring(struct hci_dev *hdev);
+
 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
 
 void hci_init_sysfs(struct hci_dev *hdev);
@@ -1279,6 +1359,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
 			 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
 
+/* Use LL Privacy based address resolution if supported */
+#define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
+
 /* Use ext scanning if set ext scan param and ext scan enable is supported */
 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
 			   ((dev)->commands[37] & 0x40))
@@ -1387,7 +1470,7 @@ static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
 	__u8 encrypt;
 
 	if (conn->state == BT_CONFIG) {
-		if (status)
+		if (!status)
 			conn->state = BT_CONNECTED;
 
 		hci_connect_cfm(conn, status);
@@ -1402,11 +1485,13 @@ static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
 	else
 		encrypt = 0x01;
 
-	if (conn->sec_level == BT_SECURITY_SDP)
-		conn->sec_level = BT_SECURITY_LOW;
+	if (!status) {
+		if (conn->sec_level == BT_SECURITY_SDP)
+			conn->sec_level = BT_SECURITY_LOW;
 
-	if (conn->pending_sec_level > conn->sec_level)
-		conn->sec_level = conn->pending_sec_level;
+		if (conn->pending_sec_level > conn->sec_level)
+			conn->sec_level = conn->pending_sec_level;
+	}
 
 	mutex_lock(&hci_cb_list_lock);
 	list_for_each_entry(cb, &hci_cb_list, list) {

include/net/bluetooth/hci_sock.h

@@ -31,8 +31,8 @@
 #define HCI_TIME_STAMP	3
 
 /* CMSG flags */
-#define HCI_CMSG_DIR	0x0001
-#define HCI_CMSG_TSTAMP	0x0002
+#define HCI_CMSG_DIR	0x01
+#define HCI_CMSG_TSTAMP	0x02
 
 struct sockaddr_hci {
 	sa_family_t    hci_family;

include/net/bluetooth/mgmt.h

@@ -52,6 +52,12 @@ struct mgmt_hdr {
 	__le16	len;
 } __packed;
 
+struct mgmt_tlv {
+	__le16 type;
+	__u8   length;
+	__u8   value[];
+} __packed;
+
 struct mgmt_addr_info {
 	bdaddr_t	bdaddr;
 	__u8		type;
@@ -702,6 +708,78 @@ struct mgmt_rp_set_exp_feature {
 	__le32 flags;
 } __packed;
 
+#define MGMT_OP_READ_DEF_SYSTEM_CONFIG	0x004b
+#define MGMT_READ_DEF_SYSTEM_CONFIG_SIZE	0
+
+#define MGMT_OP_SET_DEF_SYSTEM_CONFIG	0x004c
+#define MGMT_SET_DEF_SYSTEM_CONFIG_SIZE		0
+
+#define MGMT_OP_READ_DEF_RUNTIME_CONFIG	0x004d
+#define MGMT_READ_DEF_RUNTIME_CONFIG_SIZE	0
+
+#define MGMT_OP_SET_DEF_RUNTIME_CONFIG	0x004e
+#define MGMT_SET_DEF_RUNTIME_CONFIG_SIZE	0
+
+#define MGMT_OP_GET_DEVICE_FLAGS	0x004F
+#define MGMT_GET_DEVICE_FLAGS_SIZE	7
+struct mgmt_cp_get_device_flags {
+	struct mgmt_addr_info addr;
+} __packed;
+struct mgmt_rp_get_device_flags {
+	struct mgmt_addr_info addr;
+	__le32 supported_flags;
+	__le32 current_flags;
+} __packed;
+
+#define MGMT_OP_SET_DEVICE_FLAGS	0x0050
+#define MGMT_SET_DEVICE_FLAGS_SIZE	11
+struct mgmt_cp_set_device_flags {
+	struct mgmt_addr_info addr;
+	__le32 current_flags;
+} __packed;
+struct mgmt_rp_set_device_flags {
+	struct mgmt_addr_info addr;
+} __packed;
+
+#define MGMT_ADV_MONITOR_FEATURE_MASK_OR_PATTERNS    BIT(0)
+
+#define MGMT_OP_READ_ADV_MONITOR_FEATURES	0x0051
+#define MGMT_READ_ADV_MONITOR_FEATURES_SIZE	0
+struct mgmt_rp_read_adv_monitor_features {
+	__le32 supported_features;
+	__le32 enabled_features;
+	__le16 max_num_handles;
+	__u8 max_num_patterns;
+	__le16 num_handles;
+	__le16 handles[];
+}  __packed;
+
+struct mgmt_adv_pattern {
+	__u8 ad_type;
+	__u8 offset;
+	__u8 length;
+	__u8 value[31];
+} __packed;
+
+#define MGMT_OP_ADD_ADV_PATTERNS_MONITOR	0x0052
+struct mgmt_cp_add_adv_patterns_monitor {
+	__u8 pattern_count;
+	struct mgmt_adv_pattern patterns[];
+} __packed;
+#define MGMT_ADD_ADV_PATTERNS_MONITOR_SIZE	1
+struct mgmt_rp_add_adv_patterns_monitor {
+	__le16 monitor_handle;
+} __packed;
+
+#define MGMT_OP_REMOVE_ADV_MONITOR		0x0053
+struct mgmt_cp_remove_adv_monitor {
+	__le16 monitor_handle;
+} __packed;
+#define MGMT_REMOVE_ADV_MONITOR_SIZE		2
+struct mgmt_rp_remove_adv_monitor {
+	__le16 monitor_handle;
+} __packed;
+
 #define MGMT_EV_CMD_COMPLETE		0x0001
 struct mgmt_ev_cmd_complete {
 	__le16	opcode;
@@ -933,3 +1011,20 @@ struct mgmt_ev_exp_feature_changed {
 	__u8	uuid[16];
 	__le32	flags;
 } __packed;
+
+#define MGMT_EV_DEVICE_FLAGS_CHANGED		0x002a
+struct mgmt_ev_device_flags_changed {
+	struct mgmt_addr_info addr;
+	__le32 supported_flags;
+	__le32 current_flags;
+} __packed;
+
+#define MGMT_EV_ADV_MONITOR_ADDED	0x002b
+struct mgmt_ev_adv_monitor_added {
+	__le16 monitor_handle;
+}  __packed;
+
+#define MGMT_EV_ADV_MONITOR_REMOVED	0x002c
+struct mgmt_ev_adv_monitor_removed {
+	__le16 monitor_handle;
+}  __packed;

include/net/bluetooth/sco.h

@@ -46,4 +46,6 @@ struct sco_conninfo {
 	__u8  dev_class[3];
 };
 
+#define SCO_CMSG_PKT_STATUS	0x01
+
 #endif /* __SCO_H */