713 lines
18 KiB
C
713 lines
18 KiB
C
/*
|
|
BlueZ - Bluetooth protocol stack for Linux
|
|
Copyright (C) 2000-2001 Qualcomm Incorporated
|
|
|
|
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 <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;
|
|
};
|
|
|
|
struct hci_dev {
|
|
struct list_head list;
|
|
spinlock_t lock;
|
|
atomic_t refcnt;
|
|
|
|
char name[8];
|
|
unsigned long flags;
|
|
__u16 id;
|
|
__u8 type;
|
|
bdaddr_t bdaddr;
|
|
__u8 dev_name[248];
|
|
__u8 dev_class[3];
|
|
__u8 features[8];
|
|
__u8 commands[64];
|
|
__u8 ssp_mode;
|
|
__u8 hci_ver;
|
|
__u16 hci_rev;
|
|
__u16 manufacturer;
|
|
__u16 voice_setting;
|
|
|
|
__u16 pkt_type;
|
|
__u16 esco_type;
|
|
__u16 link_policy;
|
|
__u16 link_mode;
|
|
|
|
__u32 idle_timeout;
|
|
__u16 sniff_min_interval;
|
|
__u16 sniff_max_interval;
|
|
|
|
unsigned long quirks;
|
|
|
|
atomic_t cmd_cnt;
|
|
unsigned int acl_cnt;
|
|
unsigned int sco_cnt;
|
|
|
|
unsigned int acl_mtu;
|
|
unsigned int sco_mtu;
|
|
unsigned int acl_pkts;
|
|
unsigned int sco_pkts;
|
|
|
|
unsigned long cmd_last_tx;
|
|
unsigned long acl_last_tx;
|
|
unsigned long sco_last_tx;
|
|
|
|
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[3];
|
|
|
|
struct mutex req_lock;
|
|
wait_queue_head_t req_wait_q;
|
|
__u32 req_status;
|
|
__u32 req_result;
|
|
|
|
struct inquiry_cache inq_cache;
|
|
struct hci_conn_hash conn_hash;
|
|
|
|
struct hci_dev_stats stat;
|
|
|
|
struct sk_buff_head driver_init;
|
|
|
|
void *driver_data;
|
|
void *core_data;
|
|
|
|
atomic_t promisc;
|
|
|
|
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;
|
|
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 power_save;
|
|
__u16 disc_timeout;
|
|
unsigned long pend;
|
|
|
|
unsigned int sent;
|
|
|
|
struct sk_buff_head data_q;
|
|
|
|
struct timer_list disc_timer;
|
|
struct timer_list idle_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;
|
|
void *priv;
|
|
|
|
struct hci_conn *link;
|
|
};
|
|
|
|
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_ENCRYPT_PEND,
|
|
HCI_CONN_RSWITCH_PEND,
|
|
HCI_CONN_MODE_CHANGE_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);
|
|
if (c->type == ACL_LINK)
|
|
h->acl_num++;
|
|
else
|
|
h->sco_num++;
|
|
}
|
|
|
|
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)
|
|
h->acl_num--;
|
|
else
|
|
h->sco_num--;
|
|
}
|
|
|
|
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);
|
|
|
|
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_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);
|
|
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) {
|
|
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 tasks ----- */
|
|
static inline void hci_sched_cmd(struct hci_dev *hdev)
|
|
{
|
|
tasklet_schedule(&hdev->cmd_task);
|
|
}
|
|
|
|
static inline void hci_sched_rx(struct hci_dev *hdev)
|
|
{
|
|
tasklet_schedule(&hdev->rx_task);
|
|
}
|
|
|
|
static inline void hci_sched_tx(struct hci_dev *hdev)
|
|
{
|
|
tasklet_schedule(&hdev->tx_task);
|
|
}
|
|
|
|
/* ----- 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);
|
|
|
|
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
|
|
|
|
/* Receive frame from HCI drivers */
|
|
static inline int hci_recv_frame(struct sk_buff *skb)
|
|
{
|
|
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
|
|
if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
|
|
&& !test_bit(HCI_INIT, &hdev->flags))) {
|
|
kfree_skb(skb);
|
|
return -ENXIO;
|
|
}
|
|
|
|
/* Incomming skb */
|
|
bt_cb(skb)->incoming = 1;
|
|
|
|
/* Time stamp */
|
|
__net_timestamp(skb);
|
|
|
|
/* Queue frame for rx task */
|
|
skb_queue_tail(&hdev->rx_q, skb);
|
|
hci_sched_rx(hdev);
|
|
return 0;
|
|
}
|
|
|
|
int hci_recv_fragment(struct hci_dev *hdev, int type, 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)
|
|
|
|
/* ----- 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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
|
|
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);
|
|
int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
|
|
int 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);
|
|
|
|
/* 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;
|
|
};
|
|
|
|
/* 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, int result);
|
|
|
|
#endif /* __HCI_CORE_H */
|