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linux/include/net/bluetooth/hci_core.h

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/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation;
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED.
*/
#ifndef __HCI_CORE_H
#define __HCI_CORE_H
#include <linux/interrupt.h>
#include <net/bluetooth/hci.h>
/* HCI upper protocols */
#define HCI_PROTO_L2CAP 0
#define HCI_PROTO_SCO 1
/* HCI Core structures */
struct inquiry_data {
bdaddr_t bdaddr;
__u8 pscan_rep_mode;
__u8 pscan_period_mode;
__u8 pscan_mode;
__u8 dev_class[3];
__le16 clock_offset;
__s8 rssi;
__u8 ssp_mode;
};
struct inquiry_entry {
struct inquiry_entry *next;
__u32 timestamp;
struct inquiry_data data;
};
struct inquiry_cache {
spinlock_t lock;
__u32 timestamp;
struct inquiry_entry *list;
};
struct hci_conn_hash {
struct list_head list;
spinlock_t lock;
unsigned int acl_num;
unsigned int sco_num;
unsigned int le_num;
};
struct bdaddr_list {
struct list_head list;
bdaddr_t bdaddr;
};
struct bt_uuid {
struct list_head list;
u8 uuid[16];
u8 svc_hint;
};
struct key_master_id {
__le16 ediv;
u8 rand[8];
} __packed;
struct link_key_data {
bdaddr_t bdaddr;
u8 type;
u8 val[16];
u8 pin_len;
u8 dlen;
u8 data[0];
} __packed;
struct link_key {
struct list_head list;
bdaddr_t bdaddr;
u8 type;
u8 val[16];
u8 pin_len;
u8 dlen;
u8 data[0];
};
struct oob_data {
struct list_head list;
bdaddr_t bdaddr;
u8 hash[16];
u8 randomizer[16];
};
struct adv_entry {
struct list_head list;
bdaddr_t bdaddr;
u8 bdaddr_type;
};
#define NUM_REASSEMBLY 4
struct hci_dev {
struct list_head list;
spinlock_t lock;
atomic_t refcnt;
char name[8];
unsigned long flags;
__u16 id;
__u8 bus;
__u8 dev_type;
bdaddr_t bdaddr;
__u8 dev_name[HCI_MAX_NAME_LENGTH];
__u8 eir[HCI_MAX_EIR_LENGTH];
__u8 dev_class[3];
__u8 major_class;
__u8 minor_class;
__u8 features[8];
__u8 extfeatures[8];
__u8 commands[64];
__u8 ssp_mode;
__u8 hci_ver;
__u16 hci_rev;
__u8 lmp_ver;
__u16 manufacturer;
__le16 lmp_subver;
__u16 voice_setting;
__u8 io_capability;
__u16 pkt_type;
__u16 esco_type;
__u16 link_policy;
__u16 link_mode;
__u32 idle_timeout;
__u16 sniff_min_interval;
__u16 sniff_max_interval;
unsigned int auto_accept_delay;
unsigned long quirks;
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 acl_last_tx;
unsigned long sco_last_tx;
unsigned long le_last_tx;
struct workqueue_struct *workqueue;
struct work_struct power_on;
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;
struct sk_buff_head rx_q;
struct sk_buff_head raw_q;
struct sk_buff_head cmd_q;
struct sk_buff *sent_cmd;
struct sk_buff *reassembly[NUM_REASSEMBLY];
struct mutex req_lock;
wait_queue_head_t req_wait_q;
__u32 req_status;
__u32 req_result;
__u16 init_last_cmd;
struct inquiry_cache inq_cache;
struct hci_conn_hash conn_hash;
struct list_head blacklist;
struct list_head uuids;
struct list_head link_keys;
struct list_head remote_oob_data;
struct list_head adv_entries;
struct timer_list adv_timer;
struct hci_dev_stats stat;
struct sk_buff_head driver_init;
void *driver_data;
void *core_data;
atomic_t promisc;
struct dentry *debugfs;
struct device *parent;
struct device dev;
struct rfkill *rfkill;
struct module *owner;
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);
};
struct hci_conn {
struct list_head list;
atomic_t refcnt;
bdaddr_t dst;
__u8 dst_type;
__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 key_type;
__u8 auth_type;
__u8 sec_level;
__u8 pending_sec_level;
__u8 pin_length;
__u8 enc_key_size;
__u8 io_capability;
__u8 power_save;
__u16 disc_timeout;
unsigned long pend;
__u8 remote_cap;
__u8 remote_oob;
__u8 remote_auth;
unsigned int sent;
struct sk_buff_head data_q;
struct timer_list disc_timer;
struct timer_list idle_timer;
struct timer_list auto_accept_timer;
struct work_struct work_add;
struct work_struct work_del;
struct device dev;
atomic_t devref;
struct hci_dev *hdev;
void *l2cap_data;
void *sco_data;
struct hci_conn *link;
void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
};
extern struct hci_proto *hci_proto[];
extern struct list_head hci_dev_list;
extern struct list_head hci_cb_list;
extern rwlock_t hci_dev_list_lock;
extern rwlock_t hci_cb_list_lock;
/* ----- Inquiry cache ----- */
#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
#define inquiry_cache_lock(c) spin_lock(&c->lock)
#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
static inline void inquiry_cache_init(struct hci_dev *hdev)
{
struct inquiry_cache *c = &hdev->inq_cache;
spin_lock_init(&c->lock);
c->list = NULL;
}
static inline int inquiry_cache_empty(struct hci_dev *hdev)
{
struct inquiry_cache *c = &hdev->inq_cache;
return c->list == NULL;
}
static inline long inquiry_cache_age(struct hci_dev *hdev)
{
struct inquiry_cache *c = &hdev->inq_cache;
return jiffies - c->timestamp;
}
static inline long inquiry_entry_age(struct inquiry_entry *e)
{
return jiffies - e->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);
/* ----- HCI Connections ----- */
enum {
HCI_CONN_AUTH_PEND,
HCI_CONN_REAUTH_PEND,
HCI_CONN_ENCRYPT_PEND,
HCI_CONN_RSWITCH_PEND,
HCI_CONN_MODE_CHANGE_PEND,
HCI_CONN_SCO_SETUP_PEND,
HCI_CONN_LE_SMP_PEND,
};
static inline void hci_conn_hash_init(struct hci_dev *hdev)
{
struct hci_conn_hash *h = &hdev->conn_hash;
INIT_LIST_HEAD(&h->list);
spin_lock_init(&h->lock);
h->acl_num = 0;
h->sco_num = 0;
}
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);
switch (c->type) {
case ACL_LINK:
h->acl_num++;
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);
switch (c->type) {
case ACL_LINK:
h->acl_num--;
break;
case LE_LINK:
h->le_num--;
break;
case SCO_LINK:
case ESCO_LINK:
h->sco_num--;
break;
}
}
static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
{
struct hci_conn_hash *h = &hdev->conn_hash;
switch (type) {
case ACL_LINK:
return h->acl_num;
case LE_LINK:
return h->le_num;
case SCO_LINK:
case ESCO_LINK:
return h->sco_num;
default:
return 0;
}
}
static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
__u16 handle)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct list_head *p;
struct hci_conn *c;
list_for_each(p, &h->list) {
c = list_entry(p, struct hci_conn, list);
if (c->handle == handle)
return c;
}
return NULL;
}
static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
__u8 type, bdaddr_t *ba)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct list_head *p;
struct hci_conn *c;
list_for_each(p, &h->list) {
c = list_entry(p, struct hci_conn, list);
if (c->type == type && !bacmp(&c->dst, ba))
return c;
}
return NULL;
}
static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
__u8 type, __u16 state)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct list_head *p;
struct hci_conn *c;
list_for_each(p, &h->list) {
c = list_entry(p, struct hci_conn, list);
if (c->type == type && c->state == state)
return c;
}
return NULL;
}
void hci_acl_connect(struct hci_conn *conn);
void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
void hci_add_sco(struct hci_conn *conn, __u16 handle);
void hci_setup_sync(struct hci_conn *conn, __u16 handle);
void hci_sco_setup(struct hci_conn *conn, __u8 status);
struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
int hci_conn_del(struct hci_conn *conn);
void hci_conn_hash_flush(struct hci_dev *hdev);
void hci_conn_check_pending(struct hci_dev *hdev);
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
__u8 sec_level, __u8 auth_type);
int hci_conn_check_link_mode(struct hci_conn *conn);
int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
int hci_conn_change_link_key(struct hci_conn *conn);
int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
void hci_conn_enter_sniff_mode(struct hci_conn *conn);
void hci_conn_hold_device(struct hci_conn *conn);
void hci_conn_put_device(struct hci_conn *conn);
static inline void hci_conn_hold(struct hci_conn *conn)
{
atomic_inc(&conn->refcnt);
del_timer(&conn->disc_timer);
}
static inline void hci_conn_put(struct hci_conn *conn)
{
if (atomic_dec_and_test(&conn->refcnt)) {
unsigned long timeo;
if (conn->type == ACL_LINK || conn->type == LE_LINK) {
del_timer(&conn->idle_timer);
if (conn->state == BT_CONNECTED) {
timeo = msecs_to_jiffies(conn->disc_timeout);
if (!conn->out)
timeo *= 2;
} else {
timeo = msecs_to_jiffies(10);
}
} else {
timeo = msecs_to_jiffies(10);
}
mod_timer(&conn->disc_timer, jiffies + timeo);
}
}
/* ----- HCI Devices ----- */
static inline void __hci_dev_put(struct hci_dev *d)
{
if (atomic_dec_and_test(&d->refcnt))
d->destruct(d);
}
static inline void hci_dev_put(struct hci_dev *d)
{
__hci_dev_put(d);
module_put(d->owner);
}
static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
{
atomic_inc(&d->refcnt);
return d;
}
static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
{
if (try_module_get(d->owner))
return __hci_dev_hold(d);
return NULL;
}
#define hci_dev_lock(d) spin_lock(&d->lock)
#define hci_dev_unlock(d) spin_unlock(&d->lock)
#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
struct hci_dev *hci_dev_get(int index);
struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
struct hci_dev *hci_alloc_dev(void);
void hci_free_dev(struct hci_dev *hdev);
int hci_register_dev(struct hci_dev *hdev);
int hci_unregister_dev(struct hci_dev *hdev);
int hci_suspend_dev(struct hci_dev *hdev);
int hci_resume_dev(struct hci_dev *hdev);
int hci_dev_open(__u16 dev);
int hci_dev_close(__u16 dev);
int hci_dev_reset(__u16 dev);
int hci_dev_reset_stat(__u16 dev);
int hci_dev_cmd(unsigned int cmd, void __user *arg);
int hci_get_dev_list(void __user *arg);
int hci_get_dev_info(void __user *arg);
int hci_get_conn_list(void __user *arg);
int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
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_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]);
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_remote_oob_data_clear(struct hci_dev *hdev);
struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
bdaddr_t *bdaddr);
int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
u8 *randomizer);
int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
int hci_adv_entries_clear(struct hci_dev *hdev);
struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_add_adv_entry(struct hci_dev *hdev,
struct hci_ev_le_advertising_info *ev);
void hci_del_off_timer(struct hci_dev *hdev);
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_frame(struct sk_buff *skb);
int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
int hci_register_sysfs(struct hci_dev *hdev);
void hci_unregister_sysfs(struct hci_dev *hdev);
void hci_conn_init_sysfs(struct hci_conn *conn);
void hci_conn_add_sysfs(struct hci_conn *conn);
void hci_conn_del_sysfs(struct hci_conn *conn);
#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
/* ----- LMP capabilities ----- */
#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
#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)
/* ----- Extended LMP capabilities ----- */
#define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
/* ----- HCI protocols ----- */
struct hci_proto {
char *name;
unsigned int id;
unsigned long flags;
void *priv;
int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
__u8 type);
int (*connect_cfm) (struct hci_conn *conn, __u8 status);
int (*disconn_ind) (struct hci_conn *conn);
int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
__u16 flags);
int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
int (*security_cfm) (struct hci_conn *conn, __u8 status,
__u8 encrypt);
};
static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
__u8 type)
{
register struct hci_proto *hp;
int mask = 0;
hp = hci_proto[HCI_PROTO_L2CAP];
if (hp && hp->connect_ind)
mask |= hp->connect_ind(hdev, bdaddr, type);
hp = hci_proto[HCI_PROTO_SCO];
if (hp && hp->connect_ind)
mask |= hp->connect_ind(hdev, bdaddr, type);
return mask;
}
static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
{
register struct hci_proto *hp;
hp = hci_proto[HCI_PROTO_L2CAP];
if (hp && hp->connect_cfm)
hp->connect_cfm(conn, status);
hp = hci_proto[HCI_PROTO_SCO];
if (hp && hp->connect_cfm)
hp->connect_cfm(conn, status);
if (conn->connect_cfm_cb)
conn->connect_cfm_cb(conn, status);
}
static inline int hci_proto_disconn_ind(struct hci_conn *conn)
{
register struct hci_proto *hp;
int reason = 0x13;
hp = hci_proto[HCI_PROTO_L2CAP];
if (hp && hp->disconn_ind)
reason = hp->disconn_ind(conn);
hp = hci_proto[HCI_PROTO_SCO];
if (hp && hp->disconn_ind)
reason = hp->disconn_ind(conn);
return reason;
}
static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
{
register struct hci_proto *hp;
hp = hci_proto[HCI_PROTO_L2CAP];
if (hp && hp->disconn_cfm)
hp->disconn_cfm(conn, reason);
hp = hci_proto[HCI_PROTO_SCO];
if (hp && hp->disconn_cfm)
hp->disconn_cfm(conn, reason);
if (conn->disconn_cfm_cb)
conn->disconn_cfm_cb(conn, reason);
}
static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
{
register struct hci_proto *hp;
__u8 encrypt;
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return;
encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
hp = hci_proto[HCI_PROTO_L2CAP];
if (hp && hp->security_cfm)
hp->security_cfm(conn, status, encrypt);
hp = hci_proto[HCI_PROTO_SCO];
if (hp && hp->security_cfm)
hp->security_cfm(conn, status, encrypt);
if (conn->security_cfm_cb)
conn->security_cfm_cb(conn, status);
}
static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
__u8 encrypt)
{
register struct hci_proto *hp;
hp = hci_proto[HCI_PROTO_L2CAP];
if (hp && hp->security_cfm)
hp->security_cfm(conn, status, encrypt);
hp = hci_proto[HCI_PROTO_SCO];
if (hp && hp->security_cfm)
hp->security_cfm(conn, status, encrypt);
if (conn->security_cfm_cb)
conn->security_cfm_cb(conn, status);
}
int hci_register_proto(struct hci_proto *hproto);
int hci_unregister_proto(struct hci_proto *hproto);
/* ----- HCI callbacks ----- */
struct hci_cb {
struct list_head list;
char *name;
void (*security_cfm) (struct hci_conn *conn, __u8 status,
__u8 encrypt);
void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
};
static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
{
struct list_head *p;
__u8 encrypt;
hci_proto_auth_cfm(conn, status);
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return;
encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
read_lock_bh(&hci_cb_list_lock);
list_for_each(p, &hci_cb_list) {
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
if (cb->security_cfm)
cb->security_cfm(conn, status, encrypt);
}
read_unlock_bh(&hci_cb_list_lock);
}
static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
__u8 encrypt)
{
struct list_head *p;
if (conn->sec_level == BT_SECURITY_SDP)
conn->sec_level = BT_SECURITY_LOW;
if (conn->pending_sec_level > conn->sec_level)
conn->sec_level = conn->pending_sec_level;
hci_proto_encrypt_cfm(conn, status, encrypt);
read_lock_bh(&hci_cb_list_lock);
list_for_each(p, &hci_cb_list) {
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
if (cb->security_cfm)
cb->security_cfm(conn, status, encrypt);
}
read_unlock_bh(&hci_cb_list_lock);
}
static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
{
struct list_head *p;
read_lock_bh(&hci_cb_list_lock);
list_for_each(p, &hci_cb_list) {
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
if (cb->key_change_cfm)
cb->key_change_cfm(conn, status);
}
read_unlock_bh(&hci_cb_list_lock);
}
static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
__u8 role)
{
struct list_head *p;
read_lock_bh(&hci_cb_list_lock);
list_for_each(p, &hci_cb_list) {
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
if (cb->role_switch_cfm)
cb->role_switch_cfm(conn, status, role);
}
read_unlock_bh(&hci_cb_list_lock);
}
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_conn *conn, 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);
/* Management interface */
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_index_added(u16 index);
int mgmt_index_removed(u16 index);
int mgmt_powered(u16 index, u8 powered);
int mgmt_discoverable(u16 index, u8 discoverable);
int mgmt_connectable(u16 index, u8 connectable);
int mgmt_new_key(u16 index, struct link_key *key, u8 persistent);
int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type);
int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
int mgmt_disconnect_failed(u16 index);
int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure);
int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
u8 confirm_hint);
int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
u8 status);
int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
u8 status);
int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
u8 *eir);
int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
int mgmt_discovering(u16 index, u8 discovering);
int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr);
int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)
struct hci_pinfo {
struct bt_sock bt;
struct hci_dev *hdev;
struct hci_filter filter;
__u32 cmsg_mask;
unsigned short channel;
};
/* HCI security filter */
#define HCI_SFLT_MAX_OGF 5
struct hci_sec_filter {
__u32 type_mask;
__u32 event_mask[2];
__u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
};
/* ----- HCI requests ----- */
#define HCI_REQ_DONE 0
#define HCI_REQ_PEND 1
#define HCI_REQ_CANCELED 2
#define hci_req_lock(d) mutex_lock(&d->req_lock)
#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
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);
void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
__u8 ltk[16]);
void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
void hci_le_ltk_neg_reply(struct hci_conn *conn);
#endif /* __HCI_CORE_H */
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