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Diffstat (limited to 'include/net/bluetooth/hci_core.h')
-rw-r--r--include/net/bluetooth/hci_core.h303
1 files changed, 205 insertions, 98 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 453893b3120e..6822d2595aff 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -44,14 +44,31 @@ struct inquiry_data {
};
struct inquiry_entry {
- struct inquiry_entry *next;
+ struct list_head all; /* inq_cache.all */
+ struct list_head list; /* unknown or resolve */
+ enum {
+ NAME_NOT_KNOWN,
+ NAME_NEEDED,
+ NAME_PENDING,
+ NAME_KNOWN,
+ } name_state;
__u32 timestamp;
struct inquiry_data data;
};
-struct inquiry_cache {
+struct discovery_state {
+ int type;
+ enum {
+ DISCOVERY_STOPPED,
+ DISCOVERY_STARTING,
+ DISCOVERY_FINDING,
+ DISCOVERY_RESOLVING,
+ DISCOVERY_STOPPING,
+ } state;
+ struct list_head all; /* All devices found during inquiry */
+ struct list_head unknown; /* Name state not known */
+ struct list_head resolve; /* Name needs to be resolved */
__u32 timestamp;
- struct inquiry_entry *list;
};
struct hci_conn_hash {
@@ -72,18 +89,16 @@ struct bt_uuid {
u8 svc_hint;
};
-struct key_master_id {
- __le16 ediv;
- u8 rand[8];
-} __packed;
-
-struct link_key_data {
+struct smp_ltk {
+ struct list_head list;
bdaddr_t bdaddr;
+ u8 bdaddr_type;
+ u8 authenticated;
u8 type;
+ u8 enc_size;
+ __le16 ediv;
+ u8 rand[8];
u8 val[16];
- u8 pin_len;
- u8 dlen;
- u8 data[0];
} __packed;
struct link_key {
@@ -92,8 +107,6 @@ struct link_key {
u8 type;
u8 val[16];
u8 pin_len;
- u8 dlen;
- u8 data[0];
};
struct oob_data {
@@ -109,11 +122,19 @@ struct adv_entry {
u8 bdaddr_type;
};
+struct le_scan_params {
+ u8 type;
+ u16 interval;
+ u16 window;
+ int timeout;
+};
+
+#define HCI_MAX_SHORT_NAME_LENGTH 10
+
#define NUM_REASSEMBLY 4
struct hci_dev {
struct list_head list;
struct mutex lock;
- atomic_t refcnt;
char name[8];
unsigned long flags;
@@ -122,6 +143,7 @@ struct hci_dev {
__u8 dev_type;
bdaddr_t bdaddr;
__u8 dev_name[HCI_MAX_NAME_LENGTH];
+ __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
__u8 eir[HCI_MAX_EIR_LENGTH];
__u8 dev_class[3];
__u8 major_class;
@@ -129,7 +151,6 @@ struct hci_dev {
__u8 features[8];
__u8 host_features[8];
__u8 commands[64];
- __u8 ssp_mode;
__u8 hci_ver;
__u16 hci_rev;
__u8 lmp_ver;
@@ -217,7 +238,7 @@ struct hci_dev {
struct list_head mgmt_pending;
- struct inquiry_cache inq_cache;
+ struct discovery_state discovery;
struct hci_conn_hash conn_hash;
struct list_head blacklist;
@@ -225,6 +246,8 @@ struct hci_dev {
struct list_head link_keys;
+ struct list_head long_term_keys;
+
struct list_head remote_oob_data;
struct list_head adv_entries;
@@ -234,7 +257,6 @@ struct hci_dev {
struct sk_buff_head driver_init;
- void *driver_data;
void *core_data;
atomic_t promisc;
@@ -246,15 +268,17 @@ struct hci_dev {
struct rfkill *rfkill;
- struct module *owner;
-
unsigned long dev_flags;
+ struct delayed_work le_scan_disable;
+
+ struct work_struct le_scan;
+ struct le_scan_params le_scan_params;
+
int (*open)(struct hci_dev *hdev);
int (*close)(struct hci_dev *hdev);
int (*flush)(struct hci_dev *hdev);
int (*send)(struct sk_buff *skb);
- void (*destruct)(struct hci_dev *hdev);
void (*notify)(struct hci_dev *hdev, unsigned int evt);
int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
};
@@ -270,11 +294,10 @@ struct hci_conn {
__u16 state;
__u8 mode;
__u8 type;
- __u8 out;
+ bool out;
__u8 attempt;
__u8 dev_class[3];
__u8 features[8];
- __u8 ssp_mode;
__u16 interval;
__u16 pkt_type;
__u16 link_policy;
@@ -286,12 +309,10 @@ struct hci_conn {
__u8 pin_length;
__u8 enc_key_size;
__u8 io_capability;
- __u8 power_save;
__u16 disc_timeout;
- unsigned long pend;
+ unsigned long flags;
__u8 remote_cap;
- __u8 remote_oob;
__u8 remote_auth;
unsigned int sent;
@@ -348,21 +369,26 @@ extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
-static inline void inquiry_cache_init(struct hci_dev *hdev)
+static inline void discovery_init(struct hci_dev *hdev)
{
- struct inquiry_cache *c = &hdev->inq_cache;
- c->list = NULL;
+ hdev->discovery.state = DISCOVERY_STOPPED;
+ INIT_LIST_HEAD(&hdev->discovery.all);
+ INIT_LIST_HEAD(&hdev->discovery.unknown);
+ INIT_LIST_HEAD(&hdev->discovery.resolve);
}
+bool hci_discovery_active(struct hci_dev *hdev);
+
+void hci_discovery_set_state(struct hci_dev *hdev, int state);
+
static inline int inquiry_cache_empty(struct hci_dev *hdev)
{
- struct inquiry_cache *c = &hdev->inq_cache;
- return c->list == NULL;
+ return list_empty(&hdev->discovery.all);
}
static inline long inquiry_cache_age(struct hci_dev *hdev)
{
- struct inquiry_cache *c = &hdev->inq_cache;
+ struct discovery_state *c = &hdev->discovery;
return jiffies - c->timestamp;
}
@@ -372,8 +398,16 @@ static inline long inquiry_entry_age(struct inquiry_entry *e)
}
struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
- bdaddr_t *bdaddr);
-void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
+ bdaddr_t *bdaddr);
+struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
+ bdaddr_t *bdaddr);
+struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
+ bdaddr_t *bdaddr,
+ int state);
+void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
+ struct inquiry_entry *ie);
+bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
+ bool name_known, bool *ssp);
/* ----- HCI Connections ----- */
enum {
@@ -384,8 +418,19 @@ enum {
HCI_CONN_MODE_CHANGE_PEND,
HCI_CONN_SCO_SETUP_PEND,
HCI_CONN_LE_SMP_PEND,
+ HCI_CONN_MGMT_CONNECTED,
+ HCI_CONN_SSP_ENABLED,
+ HCI_CONN_POWER_SAVE,
+ HCI_CONN_REMOTE_OOB,
};
+static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ return (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
+ test_bit(HCI_CONN_SSP_ENABLED, &conn->flags));
+}
+
static inline void hci_conn_hash_init(struct hci_dev *hdev)
{
struct hci_conn_hash *h = &hdev->conn_hash;
@@ -566,36 +611,33 @@ static inline void hci_conn_put(struct hci_conn *conn)
}
/* ----- HCI Devices ----- */
-static inline void __hci_dev_put(struct hci_dev *d)
+static inline void hci_dev_put(struct hci_dev *d)
{
- if (atomic_dec_and_test(&d->refcnt))
- d->destruct(d);
+ put_device(&d->dev);
}
-/*
- * hci_dev_put and hci_dev_hold are macros to avoid dragging all the
- * overhead of all the modular infrastructure into this header.
- */
-#define hci_dev_put(d) \
-do { \
- __hci_dev_put(d); \
- module_put(d->owner); \
-} while (0)
-
-static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
+static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
{
- atomic_inc(&d->refcnt);
+ get_device(&d->dev);
return d;
}
-#define hci_dev_hold(d) \
-({ \
- try_module_get(d->owner) ? __hci_dev_hold(d) : NULL; \
-})
-
#define hci_dev_lock(d) mutex_lock(&d->lock)
#define hci_dev_unlock(d) mutex_unlock(&d->lock)
+#define to_hci_dev(d) container_of(d, struct hci_dev, dev)
+#define to_hci_conn(c) container_of(c, struct hci_conn, dev)
+
+static inline void *hci_get_drvdata(struct hci_dev *hdev)
+{
+ return dev_get_drvdata(&hdev->dev);
+}
+
+static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
+{
+ dev_set_drvdata(&hdev->dev, data);
+}
+
struct hci_dev *hci_dev_get(int index);
struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
@@ -619,20 +661,23 @@ int hci_inquiry(void __user *arg);
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_blacklist_clear(struct hci_dev *hdev);
-int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
-int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
+int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
int hci_uuids_clear(struct hci_dev *hdev);
int hci_link_keys_clear(struct hci_dev *hdev);
struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
- bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
-struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
-struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
- bdaddr_t *bdaddr, u8 type);
-int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
- u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
+ bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
+struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
+int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
+ int new_key, u8 authenticated, u8 tk[16], u8 enc_size, u16 ediv,
+ u8 rand[8]);
+struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type);
+int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr);
+int hci_smp_ltks_clear(struct hci_dev *hdev);
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_remote_oob_data_clear(struct hci_dev *hdev);
@@ -674,6 +719,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#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)
+#define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR))
/* ----- Extended LMP capabilities ----- */
#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
@@ -755,7 +801,7 @@ static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
if (conn->type != ACL_LINK && conn->type != LE_LINK)
return;
- if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
return;
encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
@@ -796,7 +842,7 @@ static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
hci_proto_auth_cfm(conn, status);
- if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
return;
encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
@@ -859,25 +905,73 @@ static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
read_unlock(&hci_cb_list_lock);
}
+static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
+{
+ size_t parsed = 0;
+
+ if (data_len < 2)
+ return false;
+
+ while (parsed < data_len - 1) {
+ u8 field_len = data[0];
+
+ if (field_len == 0)
+ break;
+
+ parsed += field_len + 1;
+
+ if (parsed > data_len)
+ break;
+
+ if (data[1] == type)
+ return true;
+
+ data += field_len + 1;
+ }
+
+ return false;
+}
+
+static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
+ u8 data_len)
+{
+ eir[eir_len++] = sizeof(type) + data_len;
+ eir[eir_len++] = type;
+ memcpy(&eir[eir_len], data, data_len);
+ eir_len += data_len;
+
+ return eir_len;
+}
+
int hci_register_cb(struct hci_cb *hcb);
int hci_unregister_cb(struct hci_cb *hcb);
-int hci_register_notifier(struct notifier_block *nb);
-int hci_unregister_notifier(struct notifier_block *nb);
-
int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
-void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
-
/* ----- HCI Sockets ----- */
-void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
- struct sock *skip_sk);
+void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
+void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk);
+void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
+
+void hci_sock_dev_event(struct hci_dev *hdev, int event);
/* Management interface */
+#define MGMT_ADDR_BREDR 0x00
+#define MGMT_ADDR_LE_PUBLIC 0x01
+#define MGMT_ADDR_LE_RANDOM 0x02
+#define MGMT_ADDR_INVALID 0xff
+
+#define DISCOV_TYPE_BREDR (BIT(MGMT_ADDR_BREDR))
+#define DISCOV_TYPE_LE (BIT(MGMT_ADDR_LE_PUBLIC) | \
+ BIT(MGMT_ADDR_LE_RANDOM))
+#define DISCOV_TYPE_INTERLEAVED (BIT(MGMT_ADDR_BREDR) | \
+ BIT(MGMT_ADDR_LE_PUBLIC) | \
+ BIT(MGMT_ADDR_LE_RANDOM))
+
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_index_added(struct hci_dev *hdev);
int mgmt_index_removed(struct hci_dev *hdev);
@@ -886,56 +980,67 @@ int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
- u8 persistent);
-int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
- u8 addr_type);
-int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
- u8 addr_type);
-int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
+ u8 persistent);
+int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, u32 flags, u8 *name, u8 name_len,
+ u8 *dev_class);
+int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type);
+int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status);
int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
- u8 addr_type, u8 status);
+ u8 addr_type, u8 status);
int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
- u8 status);
+ u8 status);
int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
- u8 status);
+ u8 status);
int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
- __le32 value, u8 confirm_hint);
+ u8 link_type, u8 addr_type, __le32 value,
+ u8 confirm_hint);
int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
- u8 status);
-int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
- bdaddr_t *bdaddr, u8 status);
-int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
+ u8 link_type, u8 addr_type, u8 status);
+int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status);
+int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type);
int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
- u8 status);
-int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
- bdaddr_t *bdaddr, u8 status);
-int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
+ u8 link_type, u8 addr_type, u8 status);
+int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status);
+int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, u8 status);
+int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
+int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
+int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
+ u8 status);
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
- u8 *randomizer, u8 status);
+ u8 *randomizer, u8 status);
+int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
- u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
-int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
+ u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
+ u8 ssp, u8 *eir, u16 eir_len);
+int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, s8 rssi, u8 *name, u8 name_len);
int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
-int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
-int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
+int mgmt_interleaved_discovery(struct hci_dev *hdev);
+int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+
+int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)
-/* HCI socket flags */
-#define HCI_PI_MGMT_INIT 0
-
struct hci_pinfo {
struct bt_sock bt;
struct hci_dev *hdev;
struct hci_filter filter;
__u32 cmsg_mask;
unsigned short channel;
- unsigned long flags;
};
/* HCI security filter */
@@ -966,5 +1071,7 @@ void hci_le_ltk_neg_reply(struct hci_conn *conn);
int hci_do_inquiry(struct hci_dev *hdev, u8 length);
int hci_cancel_inquiry(struct hci_dev *hdev);
+int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
+ int timeout);
#endif /* __HCI_CORE_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 06:01:23 +0000