| /* |
| 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 priority */ |
| #define HCI_PRIO_MAX 7 |
| |
| /* 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; |
| 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; |
| |
| __u8 amp_status; |
| __u32 amp_total_bw; |
| __u32 amp_max_bw; |
| __u32 amp_min_latency; |
| __u32 amp_max_pdu; |
| __u8 amp_type; |
| __u16 amp_pal_cap; |
| __u16 amp_assoc_size; |
| __u32 amp_max_flush_to; |
| __u32 amp_be_flush_to; |
| |
| __u8 flow_ctl_mode; |
| |
| 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 delayed_work power_off; |
| |
| __u16 discov_timeout; |
| struct delayed_work discov_off; |
| |
| 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 list_head mgmt_pending; |
| |
| 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; |
| |
| 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); |
| }; |
| |
| 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 list_head chan_list; |
| |
| 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); |
| }; |
| |
| struct hci_chan { |
| struct list_head list; |
| |
| struct hci_conn *conn; |
| struct sk_buff_head data_q; |
| unsigned int sent; |
| }; |
| |
| 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); |
| 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_chan *hci_chan_create(struct hci_conn *conn); |
| int hci_chan_del(struct hci_chan *chan); |
| void hci_chan_list_flush(struct hci_conn *conn); |
| |
| 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); |
| void 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); |
| |
| void hci_init_sysfs(struct hci_dev *hdev); |
| int hci_add_sysfs(struct hci_dev *hdev); |
| void hci_del_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 = HCI_ERROR_REMOTE_USER_TERM; |
| |
| 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_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); |
| |
| /* Management interface */ |
| 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); |
| int mgmt_powered(struct hci_dev *hdev, u8 powered); |
| 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); |
| int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| 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); |
| int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 status); |
| int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| __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); |
| 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); |
| 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); |
| 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); |
| 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); |
| |
| /* 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); |
| |
| int hci_do_inquiry(struct hci_dev *hdev, u8 length); |
| int hci_cancel_inquiry(struct hci_dev *hdev); |
| |
| #endif /* __HCI_CORE_H */ |