Merge tag 'for-net-next-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

core:

 - HCI: Add initial support for PAST
 - hci_core: Introduce HCI_CONN_FLAG_PAST
 - ISO: Add support to bind to trigger PAST
 - HCI: Always use the identity address when initializing a connection
 - ISO: Attempt to resolve broadcast address
 - MGMT: Allow use of Set Device Flags without Add Device
 - ISO: Fix not updating BIS sender source address
 - HCI: Add support for LL Extended Feature Set

 driver:

 - btusb: Add new VID/PID 2b89/6275 for RTL8761BUV
 - btusb: MT7920: Add VID/PID 0489/e135
 - btusb: MT7922: Add VID/PID 0489/e170
 - btusb: Add new VID/PID 13d3/3533 for RTL8821CE
 - btusb: Add new VID/PID 0x0489/0xE12F for RTL8852BE-VT
 - btusb: Add new VID/PID 0x13d3/0x3618 for RTL8852BE-VT
 - btusb: Add new VID/PID 0x13d3/0x3619 for RTL8852BE-VT
 - btusb: Reclassify Qualcomm WCN6855 debug packets
 - btintel_pcie: Introduce HCI Driver protocol
 - btintel_pcie: Support for S4 (Hibernate)
 - btintel_pcie: Suspend/Resume: Controller doorbell interrupt handling
 - dt-bindings: net: Convert Marvell 8897/8997 bindings to DT schema
 - btbcm: Use kmalloc_array() to prevent overflow
 - btrtl: Add the support for RTL8761CUV
 - hci_h5: avoid sending two SYNC messages
 - hci_h5: implement CRC data integrity

MAINTAINERS:

 - Add Bartosz Golaszewski as Qualcomm hci_qca maintainer

* tag 'for-net-next-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (29 commits)
  Bluetooth: btusb: Add new VID/PID 13d3/3533 for RTL8821CE
  Bluetooth: HCI: Add support for LL Extended Feature Set
  drivers/bluetooth: btbcm: Use kmalloc_array() to prevent overflow
  Bluetooth: btintel_pcie: Introduce HCI Driver protocol
  Bluetooth: btusb: add new custom firmwares
  Bluetooth: btusb: Add new VID/PID 0x13d3/0x3619 for RTL8852BE-VT
  Bluetooth: btusb: Add new VID/PID 0x13d3/0x3618 for RTL8852BE-VT
  Bluetooth: btusb: Add new VID/PID 0x0489/0xE12F for RTL8852BE-VT
  Bluetooth: iso: fix socket matching ambiguity between BIS and CIS
  Bluetooth: MAINTAINERS: Add Bartosz Golaszewski as Qualcomm hci_qca maintainer
  Bluetooth: btrtl: Add the support for RTL8761CUV
  Bluetooth: Remove redundant pm_runtime_mark_last_busy() calls
  dt-bindings: net: Convert Marvell 8897/8997 bindings to DT schema
  Bluetooth: btusb: Reclassify Qualcomm WCN6855 debug packets
  Bluetooth: btusb: Add new VID/PID 2b89/6275 for RTL8761BUV
  Bluetooth: btintel_pcie: Suspend/Resume: Controller doorbell interrupt handling
  Bluetooth: btintel_pcie: Support for S4 (Hibernate)
  Bluetooth: btusb: MT7922: Add VID/PID 0489/e170
  Bluetooth: btusb: MT7920: Add VID/PID 0489/e135
  Bluetooth: ISO: Fix not updating BIS sender source address
  ...
====================

Link: https://patch.msgid.link/20251201213818.97249-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

4 files changed, 102 insertions, 3 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index cb4c02d00759..a27cd3626b87 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -647,10 +647,13 @@ enum {
 #define HCI_LE_EXT_ADV			0x10
 #define HCI_LE_PERIODIC_ADV		0x20
 #define HCI_LE_CHAN_SEL_ALG2		0x40
+#define HCI_LE_PAST_SENDER		0x01
+#define HCI_LE_PAST_RECEIVER		0x02
 #define HCI_LE_CIS_CENTRAL		0x10
 #define HCI_LE_CIS_PERIPHERAL		0x20
 #define HCI_LE_ISO_BROADCASTER		0x40
 #define HCI_LE_ISO_SYNC_RECEIVER	0x80
+#define HCI_LE_LL_EXT_FEATURE		0x80
 
 /* Connection modes */
 #define HCI_CM_ACTIVE	0x0000
@@ -2068,6 +2071,44 @@ struct hci_cp_le_set_privacy_mode {
 	__u8  mode;
 } __packed;
 
+#define HCI_OP_LE_PAST			0x205a
+struct hci_cp_le_past {
+	__le16 handle;
+	__le16 service_data;
+	__le16 sync_handle;
+} __packed;
+
+struct hci_rp_le_past {
+	__u8   status;
+	__le16 handle;
+} __packed;
+
+#define HCI_OP_LE_PAST_SET_INFO		0x205b
+struct hci_cp_le_past_set_info {
+	__le16 handle;
+	__le16 service_data;
+	__u8   adv_handle;
+} __packed;
+
+struct hci_rp_le_past_set_info {
+	__u8   status;
+	__le16 handle;
+} __packed;
+
+#define HCI_OP_LE_PAST_PARAMS		0x205c
+struct hci_cp_le_past_params {
+	__le16  handle;
+	__u8    mode;
+	__le16  skip;
+	__le16  sync_timeout;
+	__u8    cte_type;
+} __packed;
+
+struct hci_rp_le_past_params {
+	__u8   status;
+	__le16 handle;
+} __packed;
+
 #define HCI_OP_LE_READ_BUFFER_SIZE_V2	0x2060
 struct hci_rp_le_read_buffer_size_v2 {
 	__u8    status;
@@ -2215,6 +2256,19 @@ struct hci_cp_le_set_host_feature {
 	__u8     bit_value;
 } __packed;
 
+#define HCI_OP_LE_READ_ALL_LOCAL_FEATURES	0x2087
+struct hci_rp_le_read_all_local_features {
+	__u8    status;
+	__u8    page;
+	__u8    features[248];
+} __packed;
+
+#define HCI_OP_LE_READ_ALL_REMOTE_FEATURES	0x2088
+struct hci_cp_le_read_all_remote_features {
+	__le16	 handle;
+	__u8	 pages;
+} __packed;
+
 /* ---- HCI Events ---- */
 struct hci_ev_status {
 	__u8    status;
@@ -2800,6 +2854,20 @@ struct hci_evt_le_ext_adv_set_term {
 	__u8	num_evts;
 } __packed;
 
+#define HCI_EV_LE_PAST_RECEIVED		0x18
+struct hci_ev_le_past_received {
+	__u8   status;
+	__le16 handle;
+	__le16 service_data;
+	__le16 sync_handle;
+	__u8   sid;
+	__u8   bdaddr_type;
+	bdaddr_t  bdaddr;
+	__u8   phy;
+	__le16 interval;
+	__u8   clock_accuracy;
+} __packed;
+
 #define HCI_EVT_LE_CIS_ESTABLISHED	0x19
 struct hci_evt_le_cis_established {
 	__u8  status;
@@ -2883,6 +2951,15 @@ struct hci_evt_le_big_info_adv_report {
 	__u8    encryption;
 } __packed;
 
+#define HCI_EVT_LE_ALL_REMOTE_FEATURES_COMPLETE 0x2b
+struct hci_evt_le_read_all_remote_features_complete {
+	__u8    status;
+	__le16  handle;
+	__u8    max_pages;
+	__u8    valid_pages;
+	__u8    features[248];
+} __packed;
+
 #define HCI_EV_VENDOR			0xff
 
 /* Internal events generated by Bluetooth stack */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 0cb87687837f..4263e71a23ef 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -166,6 +166,7 @@ enum hci_conn_flags {
 	HCI_CONN_FLAG_REMOTE_WAKEUP = BIT(0),
 	HCI_CONN_FLAG_DEVICE_PRIVACY = BIT(1),
 	HCI_CONN_FLAG_ADDRESS_RESOLUTION = BIT(2),
+	HCI_CONN_FLAG_PAST = BIT(3),
 };
 typedef u8 hci_conn_flags_t;
 
@@ -377,7 +378,7 @@ struct hci_dev {
 	__u8		minor_class;
 	__u8		max_page;
 	__u8		features[HCI_MAX_PAGES][8];
-	__u8		le_features[8];
+	__u8		le_features[248];
 	__u8		le_accept_list_size;
 	__u8		le_resolv_list_size;
 	__u8		le_num_of_adv_sets;
@@ -701,6 +702,7 @@ struct hci_conn {
 	__u8		attempt;
 	__u8		dev_class[3];
 	__u8		features[HCI_MAX_PAGES][8];
+	__u8		le_features[248];
 	__u16		pkt_type;
 	__u16		link_policy;
 	__u8		key_type;
@@ -1570,9 +1572,9 @@ int hci_le_create_cis_pending(struct hci_dev *hdev);
 int hci_conn_check_create_cis(struct hci_conn *conn);
 
 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
-			      u8 role, u16 handle);
+			      u8 dst_type, u8 role, u16 handle);
 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
-				    bdaddr_t *dst, u8 role);
+				    bdaddr_t *dst, u8 dst_type, u8 role);
 void hci_conn_del(struct hci_conn *conn);
 void hci_conn_hash_flush(struct hci_dev *hdev);
 
@@ -1601,6 +1603,7 @@ struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst, __u8 sid,
 			      struct bt_iso_qos *qos,
 			      __u8 base_len, __u8 *base, u16 timeout);
+int hci_past_bis(struct hci_conn *conn, bdaddr_t *dst, __u8 dst_type);
 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
 				 __u8 dst_type, struct bt_iso_qos *qos,
 				 u16 timeout);
@@ -2053,6 +2056,20 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
 #define sync_recv_capable(dev) \
 	((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
 #define sync_recv_enabled(dev) (le_enabled(dev) && sync_recv_capable(dev))
+#define past_sender_capable(dev) \
+	((dev)->le_features[3] & HCI_LE_PAST_SENDER)
+#define past_receiver_capable(dev) \
+	((dev)->le_features[3] & HCI_LE_PAST_RECEIVER)
+#define past_capable(dev) \
+	(past_sender_capable(dev) || past_receiver_capable(dev))
+#define past_sender_enabled(dev) \
+	(le_enabled(dev) && past_sender_capable(dev))
+#define past_receiver_enabled(dev) \
+	(le_enabled(dev) && past_receiver_capable(dev))
+#define past_enabled(dev) \
+	(past_sender_enabled(dev) || past_receiver_enabled(dev))
+#define ll_ext_feature_capable(dev) \
+	((dev)->le_features[7] & HCI_LE_LL_EXT_FEATURE)
 
 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
 	(!hci_test_quirk((dev), HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG)))
diff --git a/include/net/bluetooth/hci_sync.h b/include/net/bluetooth/hci_sync.h
index e352a4e0ef8d..56076bbc981d 100644
--- a/include/net/bluetooth/hci_sync.h
+++ b/include/net/bluetooth/hci_sync.h
@@ -188,3 +188,6 @@ int hci_le_conn_update_sync(struct hci_dev *hdev, struct hci_conn *conn,
 
 int hci_connect_pa_sync(struct hci_dev *hdev, struct hci_conn *conn);
 int hci_connect_big_sync(struct hci_dev *hdev, struct hci_conn *conn);
+int hci_past_sync(struct hci_conn *conn, struct hci_conn *le);
+
+int hci_le_read_remote_features(struct hci_conn *conn);
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index f5be96f08b9d..8234915854b6 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -119,6 +119,8 @@ struct mgmt_rp_read_index_list {
 #define MGMT_SETTING_ISO_BROADCASTER	BIT(20)
 #define MGMT_SETTING_ISO_SYNC_RECEIVER	BIT(21)
 #define MGMT_SETTING_LL_PRIVACY		BIT(22)
+#define MGMT_SETTING_PAST_SENDER	BIT(23)
+#define MGMT_SETTING_PAST_RECEIVER	BIT(24)
 
 #define MGMT_OP_READ_INFO		0x0004
 #define MGMT_READ_INFO_SIZE		0