};
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 {
- __u32 timestamp;
- struct inquiry_entry *list;
+struct discovery_state {
+ enum {
+ DISCOVERY_STOPPED,
+ DISCOVERY_STARTING,
+ DISCOVERY_INQUIRY,
+ 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 hci_conn_hash {
u8 svc_hint;
};
+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];
+} __packed;
+
struct key_master_id {
__le16 ediv;
u8 rand[8];
struct hci_dev {
struct list_head list;
struct mutex lock;
- atomic_t refcnt;
char name[8];
unsigned long flags;
__u8 major_class;
__u8 minor_class;
__u8 features[8];
- __u8 extfeatures[8];
+ __u8 host_features[8];
__u8 commands[64];
- __u8 ssp_mode;
__u8 hci_ver;
__u16 hci_rev;
__u8 lmp_ver;
struct list_head mgmt_pending;
- struct inquiry_cache inq_cache;
+ struct discovery_state discovery;
struct hci_conn_hash conn_hash;
struct list_head blacklist;
struct list_head link_keys;
+ struct list_head long_term_keys;
+
struct list_head remote_oob_data;
struct list_head adv_entries;
struct rfkill *rfkill;
- struct module *owner;
-
unsigned long dev_flags;
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);
};
__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;
__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;
#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;
}
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);
+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);
/* ----- HCI Connections ----- */
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->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;
static inline void hci_conn_hold(struct hci_conn *conn)
{
atomic_inc(&conn->refcnt);
- cancel_delayed_work_sync(&conn->disc_work);
+ cancel_delayed_work(&conn->disc_work);
}
static inline void hci_conn_put(struct hci_conn *conn)
} else {
timeo = msecs_to_jiffies(10);
}
- cancel_delayed_work_sync(&conn->disc_work);
+ cancel_delayed_work(&conn->disc_work);
queue_delayed_work(conn->hdev->workqueue,
- &conn->disc_work, jiffies + timeo);
+ &conn->disc_work, timeo);
}
}
/* ----- 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)
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]);
+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);
#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
/* ----- Extended LMP capabilities ----- */
-#define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
+#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
/* ----- HCI protocols ----- */
static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
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;
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;
read_unlock(&hci_cb_list_lock);
}
+static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
+{
+ u8 field_len;
+ size_t parsed;
+
+ for (parsed = 0; parsed < data_len - 1; parsed += field_len) {
+ 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 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_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, 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 status);
int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 status);
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
u8 *randomizer, 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 *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);