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-rw-r--r--include/net/bluetooth/bluetooth.h4
-rw-r--r--include/net/bluetooth/hci.h4
-rw-r--r--include/net/bluetooth/hci_core.h52
-rw-r--r--include/net/bluetooth/hci_drv.h76
-rw-r--r--include/net/bluetooth/hci_mon.h2
5 files changed, 110 insertions, 28 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index bbefde319f95..114299bd8b98 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -29,6 +29,7 @@
#include <linux/poll.h>
#include <net/sock.h>
#include <linux/seq_file.h>
+#include <linux/ethtool.h>
#define BT_SUBSYS_VERSION 2
#define BT_SUBSYS_REVISION 22
@@ -448,6 +449,9 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
hci_req_complete_t *req_complete,
hci_req_complete_skb_t *req_complete_skb);
+int hci_ethtool_ts_info(unsigned int index, int sk_proto,
+ struct kernel_ethtool_ts_info *ts_info);
+
#define HCI_REQ_START BIT(0)
#define HCI_REQ_SKB BIT(1)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 797992019f9e..82cbd54443ac 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -494,6 +494,7 @@ enum {
#define HCI_EVENT_PKT 0x04
#define HCI_ISODATA_PKT 0x05
#define HCI_DIAG_PKT 0xf0
+#define HCI_DRV_PKT 0xf1
#define HCI_VENDOR_PKT 0xff
/* HCI packet types */
@@ -557,7 +558,8 @@ enum {
#define ESCO_LINK 0x02
/* Low Energy links do not have defined link type. Use invented one */
#define LE_LINK 0x80
-#define ISO_LINK 0x82
+#define CIS_LINK 0x82
+#define BIS_LINK 0x83
#define INVALID_LINK 0xff
/* LMP features */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 522d837a23fa..2b261e74e2c4 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -31,6 +31,7 @@
#include <linux/rculist.h>
#include <net/bluetooth/hci.h>
+#include <net/bluetooth/hci_drv.h>
#include <net/bluetooth/hci_sync.h>
#include <net/bluetooth/hci_sock.h>
#include <net/bluetooth/coredump.h>
@@ -613,6 +614,8 @@ struct hci_dev {
struct list_head monitored_devices;
bool advmon_pend_notify;
+ struct hci_drv *hci_drv;
+
#if IS_ENABLED(CONFIG_BT_LEDS)
struct led_trigger *power_led;
#endif
@@ -996,7 +999,8 @@ static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
case ESCO_LINK:
h->sco_num++;
break;
- case ISO_LINK:
+ case CIS_LINK:
+ case BIS_LINK:
h->iso_num++;
break;
}
@@ -1022,7 +1026,8 @@ static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
case ESCO_LINK:
h->sco_num--;
break;
- case ISO_LINK:
+ case CIS_LINK:
+ case BIS_LINK:
h->iso_num--;
break;
}
@@ -1039,7 +1044,8 @@ static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
case SCO_LINK:
case ESCO_LINK:
return h->sco_num;
- case ISO_LINK:
+ case CIS_LINK:
+ case BIS_LINK:
return h->iso_num;
default:
return 0;
@@ -1100,7 +1106,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
+ if (bacmp(&c->dst, ba) || c->type != BIS_LINK)
continue;
if (c->iso_qos.bcast.bis == bis) {
@@ -1122,7 +1128,7 @@ hci_conn_hash_lookup_create_pa_sync(struct hci_dev *hdev)
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK)
+ if (c->type != BIS_LINK)
continue;
if (!test_bit(HCI_CONN_CREATE_PA_SYNC, &c->flags))
@@ -1148,8 +1154,8 @@ hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
- !test_bit(HCI_CONN_PER_ADV, &c->flags))
+ if (bacmp(&c->dst, ba) || c->type != BIS_LINK ||
+ !test_bit(HCI_CONN_PER_ADV, &c->flags))
continue;
if (c->iso_qos.bcast.big == big &&
@@ -1238,7 +1244,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
+ if (c->type != CIS_LINK)
continue;
/* Match CIG ID if set */
@@ -1270,7 +1276,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
+ if (c->type != CIS_LINK)
continue;
if (handle == c->iso_qos.ucast.cig) {
@@ -1293,17 +1299,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK)
- continue;
-
- /* An ISO_LINK hcon with BDADDR_ANY as destination
- * address is a Broadcast connection. A Broadcast
- * slave connection is associated with a PA train,
- * so the sync_handle can be used to differentiate
- * from unicast.
- */
- if (bacmp(&c->dst, BDADDR_ANY) &&
- c->sync_handle == HCI_SYNC_HANDLE_INVALID)
+ if (c->type != BIS_LINK)
continue;
if (handle == c->iso_qos.bcast.big) {
@@ -1327,7 +1323,7 @@ hci_conn_hash_lookup_big_sync_pend(struct hci_dev *hdev,
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK)
+ if (c->type != BIS_LINK)
continue;
if (handle == c->iso_qos.bcast.big && num_bis == c->num_bis) {
@@ -1350,8 +1346,8 @@ hci_conn_hash_lookup_big_state(struct hci_dev *hdev, __u8 handle, __u16 state)
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK ||
- c->state != state)
+ if (c->type != BIS_LINK || bacmp(&c->dst, BDADDR_ANY) ||
+ c->state != state)
continue;
if (handle == c->iso_qos.bcast.big) {
@@ -1374,8 +1370,8 @@ hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK ||
- !test_bit(HCI_CONN_PA_SYNC, &c->flags))
+ if (c->type != BIS_LINK ||
+ !test_bit(HCI_CONN_PA_SYNC, &c->flags))
continue;
if (c->iso_qos.bcast.big == big) {
@@ -1397,7 +1393,7 @@ hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
- if (c->type != ISO_LINK)
+ if (c->type != BIS_LINK)
continue;
/* Ignore the listen hcon, we are looking
@@ -1798,6 +1794,7 @@ struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
void hci_uuids_clear(struct hci_dev *hdev);
void hci_link_keys_clear(struct hci_dev *hdev);
+u8 *hci_conn_key_enc_size(struct hci_conn *conn);
struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
bdaddr_t *bdaddr, u8 *val, u8 type,
@@ -2011,7 +2008,8 @@ static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
case ESCO_LINK:
return sco_connect_ind(hdev, bdaddr, flags);
- case ISO_LINK:
+ case CIS_LINK:
+ case BIS_LINK:
return iso_connect_ind(hdev, bdaddr, flags);
default:
diff --git a/include/net/bluetooth/hci_drv.h b/include/net/bluetooth/hci_drv.h
new file mode 100644
index 000000000000..2f01c44f05ec
--- /dev/null
+++ b/include/net/bluetooth/hci_drv.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2025 Google Corporation
+ */
+
+#ifndef __HCI_DRV_H
+#define __HCI_DRV_H
+
+#include <linux/types.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci.h>
+
+struct hci_drv_cmd_hdr {
+ __le16 opcode;
+ __le16 len;
+} __packed;
+
+struct hci_drv_ev_hdr {
+ __le16 opcode;
+ __le16 len;
+} __packed;
+
+#define HCI_DRV_EV_CMD_STATUS 0x0000
+struct hci_drv_ev_cmd_status {
+ __le16 opcode;
+ __u8 status;
+} __packed;
+
+#define HCI_DRV_EV_CMD_COMPLETE 0x0001
+struct hci_drv_ev_cmd_complete {
+ __le16 opcode;
+ __u8 status;
+ __u8 data[];
+} __packed;
+
+#define HCI_DRV_STATUS_SUCCESS 0x00
+#define HCI_DRV_STATUS_UNSPECIFIED_ERROR 0x01
+#define HCI_DRV_STATUS_UNKNOWN_COMMAND 0x02
+#define HCI_DRV_STATUS_INVALID_PARAMETERS 0x03
+
+#define HCI_DRV_MAX_DRIVER_NAME_LENGTH 32
+
+/* Common commands that make sense on all drivers start from 0x0000 */
+#define HCI_DRV_OP_READ_INFO 0x0000
+#define HCI_DRV_READ_INFO_SIZE 0
+struct hci_drv_rp_read_info {
+ __u8 driver_name[HCI_DRV_MAX_DRIVER_NAME_LENGTH];
+ __le16 num_supported_commands;
+ __le16 supported_commands[];
+} __packed;
+
+/* Driver specific OGF (Opcode Group Field)
+ * Commands in this group may have different meanings across different drivers.
+ */
+#define HCI_DRV_OGF_DRIVER_SPECIFIC 0x01
+
+int hci_drv_cmd_status(struct hci_dev *hdev, u16 cmd, u8 status);
+int hci_drv_cmd_complete(struct hci_dev *hdev, u16 cmd, u8 status, void *rp,
+ size_t rp_len);
+int hci_drv_process_cmd(struct hci_dev *hdev, struct sk_buff *cmd_skb);
+
+struct hci_drv_handler {
+ int (*func)(struct hci_dev *hdev, void *data, u16 data_len);
+ size_t data_len;
+};
+
+struct hci_drv {
+ size_t common_handler_count;
+ const struct hci_drv_handler *common_handlers;
+
+ size_t specific_handler_count;
+ const struct hci_drv_handler *specific_handlers;
+};
+
+#endif /* __HCI_DRV_H */
diff --git a/include/net/bluetooth/hci_mon.h b/include/net/bluetooth/hci_mon.h
index 082f89531b88..bbd752494ef9 100644
--- a/include/net/bluetooth/hci_mon.h
+++ b/include/net/bluetooth/hci_mon.h
@@ -51,6 +51,8 @@ struct hci_mon_hdr {
#define HCI_MON_CTRL_EVENT 17
#define HCI_MON_ISO_TX_PKT 18
#define HCI_MON_ISO_RX_PKT 19
+#define HCI_MON_DRV_TX_PKT 20
+#define HCI_MON_DRV_RX_PKT 21
struct hci_mon_new_index {
__u8 type;
generated by cgit (git 2.34.1) at 2025-06-01 10:54:42 +0000