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-rw-r--r--include/net/bluetooth/bluetooth.h28
-rw-r--r--include/net/bluetooth/hci.h65
-rw-r--r--include/net/bluetooth/hci_core.h92
-rw-r--r--include/net/bluetooth/l2cap.h23
-rw-r--r--include/net/bluetooth/smp.h76
5 files changed, 248 insertions, 36 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index ed7d775..4375043 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -205,4 +205,32 @@ extern void bt_sysfs_cleanup(void);
extern struct dentry *bt_debugfs;
+#ifdef CONFIG_BT_L2CAP
+int l2cap_init(void);
+void l2cap_exit(void);
+#else
+static inline int l2cap_init(void)
+{
+ return 0;
+}
+
+static inline void l2cap_exit(void)
+{
+}
+#endif
+
+#ifdef CONFIG_BT_SCO
+int sco_init(void);
+void sco_exit(void);
+#else
+static inline int sco_init(void)
+{
+ return 0;
+}
+
+static inline void sco_exit(void)
+{
+}
+#endif
+
#endif /* __BLUETOOTH_H */
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 4bee030..a5f8c46 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -119,6 +119,7 @@ enum {
#define HCI_PAIRING_TIMEOUT (60000) /* 60 seconds */
#define HCI_IDLE_TIMEOUT (6000) /* 6 seconds */
#define HCI_INIT_TIMEOUT (10000) /* 10 seconds */
+#define HCI_CMD_TIMEOUT (1000) /* 1 seconds */
/* HCI data types */
#define HCI_COMMAND_PKT 0x01
@@ -168,6 +169,8 @@ enum {
#define SCO_LINK 0x00
#define ACL_LINK 0x01
#define ESCO_LINK 0x02
+/* Low Energy links do not have defined link type. Use invented one */
+#define LE_LINK 0x80
/* LMP features */
#define LMP_3SLOT 0x01
@@ -242,6 +245,8 @@ enum {
#define HCI_AT_GENERAL_BONDING_MITM 0x05
/* ----- HCI Commands ---- */
+#define HCI_OP_NOP 0x0000
+
#define HCI_OP_INQUIRY 0x0401
struct hci_cp_inquiry {
__u8 lap[3];
@@ -642,6 +647,47 @@ struct hci_rp_read_bd_addr {
bdaddr_t bdaddr;
} __packed;
+#define HCI_OP_LE_SET_EVENT_MASK 0x2001
+struct hci_cp_le_set_event_mask {
+ __u8 mask[8];
+} __packed;
+
+#define HCI_OP_LE_READ_BUFFER_SIZE 0x2002
+struct hci_rp_le_read_buffer_size {
+ __u8 status;
+ __le16 le_mtu;
+ __u8 le_max_pkt;
+} __packed;
+
+#define HCI_OP_LE_CREATE_CONN 0x200d
+struct hci_cp_le_create_conn {
+ __le16 scan_interval;
+ __le16 scan_window;
+ __u8 filter_policy;
+ __u8 peer_addr_type;
+ bdaddr_t peer_addr;
+ __u8 own_address_type;
+ __le16 conn_interval_min;
+ __le16 conn_interval_max;
+ __le16 conn_latency;
+ __le16 supervision_timeout;
+ __le16 min_ce_len;
+ __le16 max_ce_len;
+} __packed;
+
+#define HCI_OP_LE_CREATE_CONN_CANCEL 0x200e
+
+#define HCI_OP_LE_CONN_UPDATE 0x2013
+struct hci_cp_le_conn_update {
+ __le16 handle;
+ __le16 conn_interval_min;
+ __le16 conn_interval_max;
+ __le16 conn_latency;
+ __le16 supervision_timeout;
+ __le16 min_ce_len;
+ __le16 max_ce_len;
+} __packed;
+
/* ---- HCI Events ---- */
#define HCI_EV_INQUIRY_COMPLETE 0x01
@@ -902,6 +948,25 @@ struct hci_ev_remote_host_features {
__u8 features[8];
} __packed;
+#define HCI_EV_LE_META 0x3e
+struct hci_ev_le_meta {
+ __u8 subevent;
+} __packed;
+
+/* Low energy meta events */
+#define HCI_EV_LE_CONN_COMPLETE 0x01
+struct hci_ev_le_conn_complete {
+ __u8 status;
+ __le16 handle;
+ __u8 role;
+ __u8 bdaddr_type;
+ bdaddr_t bdaddr;
+ __le16 interval;
+ __le16 latency;
+ __le16 supervision_timeout;
+ __u8 clk_accurancy;
+} __packed;
+
/* Internal events generated by Bluetooth stack */
#define HCI_EV_STACK_INTERNAL 0xfd
struct hci_ev_stack_internal {
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 6163bff..d5d8454 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -60,6 +60,7 @@ struct hci_conn_hash {
spinlock_t lock;
unsigned int acl_num;
unsigned int sco_num;
+ unsigned int le_num;
};
struct bdaddr_list {
@@ -122,15 +123,18 @@ struct hci_dev {
atomic_t cmd_cnt;
unsigned int acl_cnt;
unsigned int sco_cnt;
+ unsigned int le_cnt;
unsigned int acl_mtu;
unsigned int sco_mtu;
+ unsigned int le_mtu;
unsigned int acl_pkts;
unsigned int sco_pkts;
+ unsigned int le_pkts;
- unsigned long cmd_last_tx;
unsigned long acl_last_tx;
unsigned long sco_last_tx;
+ unsigned long le_last_tx;
struct workqueue_struct *workqueue;
@@ -138,6 +142,7 @@ struct hci_dev {
struct work_struct power_off;
struct timer_list off_timer;
+ struct timer_list cmd_timer;
struct tasklet_struct cmd_task;
struct tasklet_struct rx_task;
struct tasklet_struct tx_task;
@@ -194,37 +199,37 @@ struct hci_dev {
struct hci_conn {
struct list_head list;
- atomic_t refcnt;
- spinlock_t lock;
-
- bdaddr_t dst;
- __u16 handle;
- __u16 state;
- __u8 mode;
- __u8 type;
- __u8 out;
- __u8 attempt;
- __u8 dev_class[3];
- __u8 features[8];
- __u8 ssp_mode;
- __u16 interval;
- __u16 pkt_type;
- __u16 link_policy;
- __u32 link_mode;
- __u8 auth_type;
- __u8 sec_level;
- __u8 pending_sec_level;
- __u8 pin_length;
- __u8 io_capability;
- __u8 power_save;
- __u16 disc_timeout;
- unsigned long pend;
+ atomic_t refcnt;
+ spinlock_t lock;
+
+ bdaddr_t dst;
+ __u16 handle;
+ __u16 state;
+ __u8 mode;
+ __u8 type;
+ __u8 out;
+ __u8 attempt;
+ __u8 dev_class[3];
+ __u8 features[8];
+ __u8 ssp_mode;
+ __u16 interval;
+ __u16 pkt_type;
+ __u16 link_policy;
+ __u32 link_mode;
+ __u8 auth_type;
+ __u8 sec_level;
+ __u8 pending_sec_level;
+ __u8 pin_length;
+ __u8 io_capability;
+ __u8 power_save;
+ __u16 disc_timeout;
+ unsigned long pend;
__u8 remote_cap;
__u8 remote_oob;
__u8 remote_auth;
- unsigned int sent;
+ unsigned int sent;
struct sk_buff_head data_q;
@@ -309,24 +314,40 @@ static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
{
struct hci_conn_hash *h = &hdev->conn_hash;
list_add(&c->list, &h->list);
- if (c->type == ACL_LINK)
+ switch (c->type) {
+ case ACL_LINK:
h->acl_num++;
- else
+ break;
+ case LE_LINK:
+ h->le_num++;
+ break;
+ case SCO_LINK:
+ case ESCO_LINK:
h->sco_num++;
+ break;
+ }
}
static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
{
struct hci_conn_hash *h = &hdev->conn_hash;
list_del(&c->list);
- if (c->type == ACL_LINK)
+ switch (c->type) {
+ case ACL_LINK:
h->acl_num--;
- else
+ break;
+ case LE_LINK:
+ h->le_num--;
+ break;
+ case SCO_LINK:
+ case ESCO_LINK:
h->sco_num--;
+ break;
+ }
}
static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
- __u16 handle)
+ __u16 handle)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct list_head *p;
@@ -341,7 +362,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
}
static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
- __u8 type, bdaddr_t *ba)
+ __u8 type, bdaddr_t *ba)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct list_head *p;
@@ -356,7 +377,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
}
static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
- __u8 type, __u16 state)
+ __u8 type, __u16 state)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct list_head *p;
@@ -504,6 +525,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
+#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
/* ----- HCI protocols ----- */
struct hci_proto {
@@ -755,4 +777,6 @@ struct hci_sec_filter {
void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
+void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
+ u16 latency, u16 to_multiplier);
#endif /* __HCI_CORE_H */
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 75ef0b2..4f4bff1 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -38,6 +38,7 @@
#define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */
#define L2CAP_DEFAULT_ACK_TO 200
#define L2CAP_LOCAL_BUSY_TRIES 12
+#define L2CAP_LE_DEFAULT_MTU 23
#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
#define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */
@@ -88,6 +89,8 @@ struct l2cap_conninfo {
#define L2CAP_ECHO_RSP 0x09
#define L2CAP_INFO_REQ 0x0a
#define L2CAP_INFO_RSP 0x0b
+#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12
+#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13
/* L2CAP feature mask */
#define L2CAP_FEAT_FLOWCTL 0x00000001
@@ -160,6 +163,9 @@ struct l2cap_conn_rsp {
/* channel indentifier */
#define L2CAP_CID_SIGNALING 0x0001
#define L2CAP_CID_CONN_LESS 0x0002
+#define L2CAP_CID_LE_DATA 0x0004
+#define L2CAP_CID_LE_SIGNALING 0x0005
+#define L2CAP_CID_SMP 0x0006
#define L2CAP_CID_DYN_START 0x0040
#define L2CAP_CID_DYN_END 0xffff
@@ -255,6 +261,21 @@ struct l2cap_info_rsp {
#define L2CAP_IR_SUCCESS 0x0000
#define L2CAP_IR_NOTSUPP 0x0001
+struct l2cap_conn_param_update_req {
+ __le16 min;
+ __le16 max;
+ __le16 latency;
+ __le16 to_multiplier;
+} __packed;
+
+struct l2cap_conn_param_update_rsp {
+ __le16 result;
+} __packed;
+
+/* Connection Parameters result */
+#define L2CAP_CONN_PARAM_ACCEPTED 0x0000
+#define L2CAP_CONN_PARAM_REJECTED 0x0001
+
/* ----- L2CAP connections ----- */
struct l2cap_chan_list {
struct sock *head;
@@ -455,6 +476,4 @@ void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk, int err);
void l2cap_chan_del(struct sock *sk, int err);
int l2cap_do_connect(struct sock *sk);
-void l2cap_load(void);
-
#endif /* __L2CAP_H */
diff --git a/include/net/bluetooth/smp.h b/include/net/bluetooth/smp.h
new file mode 100644
index 0000000..8f2edbf
--- /dev/null
+++ b/include/net/bluetooth/smp.h
@@ -0,0 +1,76 @@
+#ifndef __SMP_H
+#define __SMP_H
+
+struct smp_command_hdr {
+ __u8 code;
+} __packed;
+
+#define SMP_CMD_PAIRING_REQ 0x01
+#define SMP_CMD_PAIRING_RSP 0x02
+struct smp_cmd_pairing {
+ __u8 io_capability;
+ __u8 oob_flag;
+ __u8 auth_req;
+ __u8 max_key_size;
+ __u8 init_key_dist;
+ __u8 resp_key_dist;
+} __packed;
+
+#define SMP_CMD_PAIRING_CONFIRM 0x03
+struct smp_cmd_pairing_confirm {
+ __u8 confirm_val[16];
+} __packed;
+
+#define SMP_CMD_PAIRING_RANDOM 0x04
+struct smp_cmd_pairing_random {
+ __u8 rand_val[16];
+} __packed;
+
+#define SMP_CMD_PAIRING_FAIL 0x05
+struct smp_cmd_pairing_fail {
+ __u8 reason;
+} __packed;
+
+#define SMP_CMD_ENCRYPT_INFO 0x06
+struct smp_cmd_encrypt_info {
+ __u8 ltk[16];
+} __packed;
+
+#define SMP_CMD_MASTER_IDENT 0x07
+struct smp_cmd_master_ident {
+ __u16 ediv;
+ __u8 rand[8];
+} __packed;
+
+#define SMP_CMD_IDENT_INFO 0x08
+struct smp_cmd_ident_info {
+ __u8 irk[16];
+} __packed;
+
+#define SMP_CMD_IDENT_ADDR_INFO 0x09
+struct smp_cmd_ident_addr_info {
+ __u8 addr_type;
+ bdaddr_t bdaddr;
+} __packed;
+
+#define SMP_CMD_SIGN_INFO 0x0a
+struct smp_cmd_sign_info {
+ __u8 csrk[16];
+} __packed;
+
+#define SMP_CMD_SECURITY_REQ 0x0b
+struct smp_cmd_security_req {
+ __u8 auth_req;
+} __packed;
+
+#define SMP_PASSKEY_ENTRY_FAILED 0x01
+#define SMP_OOB_NOT_AVAIL 0x02
+#define SMP_AUTH_REQUIREMENTS 0x03
+#define SMP_CONFIRM_FAILED 0x04
+#define SMP_PAIRING_NOTSUPP 0x05
+#define SMP_ENC_KEY_SIZE 0x06
+#define SMP_CMD_NOTSUPP 0x07
+#define SMP_UNSPECIFIED 0x08
+#define SMP_REPEATED_ATTEMPTS 0x09
+
+#endif /* __SMP_H */
generated by cgit v1.1 at 2025-08-18 07:04:56 +0000