1115 lines
29 KiB
C
1115 lines
29 KiB
C
/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (c) 2000-2001, 2010-2012, The Linux Foundation. All rights reserved.
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Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation;
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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SOFTWARE IS DISCLAIMED.
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*/
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#ifndef __HCI_CORE_H
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#define __HCI_CORE_H
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#include <net/bluetooth/hci.h>
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/* HCI upper protocols */
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#define HCI_PROTO_L2CAP 0
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#define HCI_PROTO_SCO 1
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/* HCI Core structures */
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struct inquiry_data {
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bdaddr_t bdaddr;
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__u8 pscan_rep_mode;
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__u8 pscan_period_mode;
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__u8 pscan_mode;
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__u8 dev_class[3];
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__le16 clock_offset;
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__s8 rssi;
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__u8 ssp_mode;
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};
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struct inquiry_entry {
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struct inquiry_entry *next;
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__u32 timestamp;
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struct inquiry_data data;
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};
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struct inquiry_cache {
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spinlock_t lock;
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__u32 timestamp;
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struct inquiry_entry *list;
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};
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struct hci_conn_hash {
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struct list_head list;
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spinlock_t lock;
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unsigned int acl_num;
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unsigned int sco_num;
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unsigned int le_num;
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};
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struct hci_chan_list {
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struct list_head list;
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spinlock_t lock;
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};
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struct bdaddr_list {
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struct list_head list;
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bdaddr_t bdaddr;
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};
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struct bt_uuid {
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struct list_head list;
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u8 uuid[16];
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u8 svc_hint;
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};
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struct key_master_id {
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__le16 ediv;
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u8 rand[8];
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} __packed;
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#define KEY_TYPE_LE_BASE 0x11
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#define KEY_TYPE_LTK 0x11
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#define KEY_TYPE_IRK 0x12
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#define KEY_TYPE_CSRK 0x13
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struct link_key_data {
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bdaddr_t bdaddr;
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u8 addr_type;
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u8 key_type;
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u8 val[16];
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u8 pin_len;
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u8 auth;
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u8 dlen;
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u8 data[0];
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} __packed;
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struct link_key {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 addr_type;
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u8 key_type;
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u8 val[16];
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u8 pin_len;
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u8 auth;
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u8 dlen;
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u8 data[0];
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};
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struct oob_data {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 hash[16];
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u8 randomizer[16];
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};
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struct adv_entry {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 bdaddr_type;
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u8 flags;
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};
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#define NUM_REASSEMBLY 4
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struct hci_dev {
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struct list_head list;
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spinlock_t lock;
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atomic_t refcnt;
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char name[8];
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unsigned long flags;
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__u16 id;
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__u8 bus;
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__u8 dev_type;
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bdaddr_t bdaddr;
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__u8 dev_name[HCI_MAX_NAME_LENGTH];
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__u8 eir[HCI_MAX_EIR_LENGTH];
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__u8 dev_class[3];
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__u8 major_class;
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__u8 minor_class;
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__u8 features[8];
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__u8 commands[64];
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__u8 ssp_mode;
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__u8 hci_ver;
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__u16 hci_rev;
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__u8 lmp_ver;
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__u16 manufacturer;
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__le16 lmp_subver;
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__u16 voice_setting;
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__u8 io_capability;
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__u16 pkt_type;
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__u16 esco_type;
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__u16 link_policy;
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__u16 link_mode;
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__u32 idle_timeout;
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__u16 sniff_min_interval;
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__u16 sniff_max_interval;
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__u8 amp_status;
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__u32 amp_total_bw;
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__u32 amp_max_bw;
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__u32 amp_min_latency;
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__u32 amp_max_pdu;
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__u8 amp_type;
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__u16 amp_pal_cap;
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__u16 amp_assoc_size;
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__u32 amp_max_flush_to;
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__u32 amp_be_flush_to;
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__s8 is_wbs;
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unsigned long quirks;
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atomic_t cmd_cnt;
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unsigned int acl_cnt;
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unsigned int sco_cnt;
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unsigned int le_cnt;
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__u8 flow_ctl_mode;
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unsigned int acl_mtu;
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unsigned int sco_mtu;
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unsigned int le_mtu;
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unsigned int acl_pkts;
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unsigned int sco_pkts;
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unsigned int le_pkts;
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unsigned int le_white_list_size;
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unsigned int data_block_len;
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unsigned long acl_last_tx;
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unsigned long sco_last_tx;
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unsigned long le_last_tx;
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struct workqueue_struct *workqueue;
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struct work_struct power_on;
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struct work_struct power_off;
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struct timer_list off_timer;
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struct timer_list cmd_timer;
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struct tasklet_struct cmd_task;
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struct tasklet_struct rx_task;
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struct tasklet_struct tx_task;
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struct sk_buff_head rx_q;
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struct sk_buff_head raw_q;
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struct sk_buff_head cmd_q;
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struct sk_buff *sent_cmd;
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struct sk_buff *reassembly[NUM_REASSEMBLY];
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struct mutex req_lock;
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wait_queue_head_t req_wait_q;
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__u32 req_status;
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__u32 req_result;
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__u16 init_last_cmd;
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struct crypto_blkcipher *tfm;
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struct inquiry_cache inq_cache;
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struct hci_conn_hash conn_hash;
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struct hci_chan_list chan_list;
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struct list_head blacklist;
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struct list_head uuids;
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struct list_head link_keys;
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struct list_head remote_oob_data;
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struct list_head adv_entries;
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rwlock_t adv_entries_lock;
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struct timer_list adv_timer;
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struct timer_list disco_timer;
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struct timer_list disco_le_timer;
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__u8 disco_state;
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int disco_int_phase;
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int disco_int_count;
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struct hci_dev_stats stat;
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struct sk_buff_head driver_init;
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void *driver_data;
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void *core_data;
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atomic_t promisc;
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struct dentry *debugfs;
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struct device *parent;
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struct device dev;
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struct rfkill *rfkill;
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struct module *owner;
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int (*open)(struct hci_dev *hdev);
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int (*close)(struct hci_dev *hdev);
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int (*flush)(struct hci_dev *hdev);
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int (*send)(struct sk_buff *skb);
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void (*destruct)(struct hci_dev *hdev);
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void (*notify)(struct hci_dev *hdev, unsigned int evt);
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int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
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};
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struct hci_conn {
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struct list_head list;
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atomic_t refcnt;
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spinlock_t lock;
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bdaddr_t dst;
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__u8 dst_id;
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__u8 dst_type;
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__u16 handle;
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__u16 state;
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__u8 mode;
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__u8 type;
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__u8 out;
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__u8 attempt;
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__u8 dev_class[3];
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__u8 features[8];
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__u8 ssp_mode;
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__u16 interval;
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__u16 pkt_type;
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__u16 link_policy;
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__u32 link_mode;
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__u8 auth_type;
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__u8 sec_level;
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__u8 pending_sec_level;
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__u8 pin_length;
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__u8 enc_key_size;
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__u8 io_capability;
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__u8 auth_initiator;
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__u8 power_save;
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__u16 disc_timeout;
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__u16 conn_timeout;
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unsigned long pend;
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__u8 remote_cap;
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__u8 remote_oob;
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__u8 remote_auth;
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__s8 rssi_threshold;
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__u16 rssi_update_interval;
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__u8 rssi_update_thresh_exceed;
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unsigned int sent;
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struct sk_buff_head data_q;
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struct timer_list disc_timer;
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struct timer_list idle_timer;
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struct delayed_work rssi_update_work;
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struct timer_list encrypt_pause_timer;
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struct work_struct work_add;
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struct work_struct work_del;
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struct device dev;
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atomic_t devref;
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struct hci_dev *hdev;
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void *l2cap_data;
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void *sco_data;
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void *priv;
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__u8 link_key[16];
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__u8 key_type;
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struct hci_conn *link;
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/* Low Energy SMP pairing data */
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__u8 oob; /* OOB pairing supported */
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__u8 tk_valid; /* TK value is valid */
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__u8 cfm_pending; /* CONFIRM cmd may be sent */
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__u8 preq[7]; /* Pairing Request */
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__u8 prsp[7]; /* Pairing Response */
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__u8 prnd[16]; /* Pairing Random */
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__u8 pcnf[16]; /* Pairing Confirm */
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__u8 tk[16]; /* Temporary Key */
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__u8 smp_key_size;
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__u8 sec_req;
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__u8 auth;
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void *smp_conn;
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struct timer_list smp_timer;
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__u8 conn_valid;
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void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
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void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
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void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
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};
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struct hci_chan {
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struct list_head list;
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struct hci_dev *hdev;
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__u16 state;
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atomic_t refcnt;
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__u16 ll_handle;
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struct hci_ext_fs tx_fs;
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struct hci_ext_fs rx_fs;
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struct hci_conn *conn;
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void *l2cap_sk;
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};
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extern struct hci_proto *hci_proto[];
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extern struct list_head hci_dev_list;
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extern struct list_head hci_cb_list;
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extern rwlock_t hci_dev_list_lock;
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extern rwlock_t hci_cb_list_lock;
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/* ----- Inquiry cache ----- */
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#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
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#define INQUIRY_ENTRY_AGE_MAX (HZ*60*60) /* 1 Hour */
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#define inquiry_cache_lock(c) spin_lock(&c->lock)
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#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
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#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
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#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
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static inline void inquiry_cache_init(struct hci_dev *hdev)
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{
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struct inquiry_cache *c = &hdev->inq_cache;
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spin_lock_init(&c->lock);
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c->list = NULL;
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}
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static inline int inquiry_cache_empty(struct hci_dev *hdev)
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{
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struct inquiry_cache *c = &hdev->inq_cache;
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return c->list == NULL;
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}
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static inline long inquiry_cache_age(struct hci_dev *hdev)
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{
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struct inquiry_cache *c = &hdev->inq_cache;
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return jiffies - c->timestamp;
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}
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static inline long inquiry_entry_age(struct inquiry_entry *e)
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{
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return jiffies - e->timestamp;
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}
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struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
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void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
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/* ----- HCI Connections ----- */
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enum {
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HCI_CONN_AUTH_PEND,
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HCI_CONN_ENCRYPT_PEND,
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HCI_CONN_RSWITCH_PEND,
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HCI_CONN_MODE_CHANGE_PEND,
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HCI_CONN_SCO_SETUP_PEND,
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};
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static inline void hci_conn_hash_init(struct hci_dev *hdev)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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INIT_LIST_HEAD(&h->list);
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spin_lock_init(&h->lock);
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h->acl_num = 0;
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h->sco_num = 0;
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}
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static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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list_add(&c->list, &h->list);
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switch (c->type) {
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case ACL_LINK:
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h->acl_num++;
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break;
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case LE_LINK:
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h->le_num++;
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break;
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case SCO_LINK:
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case ESCO_LINK:
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h->sco_num++;
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break;
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}
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}
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static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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list_del(&c->list);
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switch (c->type) {
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case ACL_LINK:
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h->acl_num--;
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break;
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case LE_LINK:
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h->le_num--;
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break;
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case SCO_LINK:
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case ESCO_LINK:
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h->sco_num--;
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break;
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}
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}
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static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
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__u16 handle)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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struct list_head *p;
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struct hci_conn *c;
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list_for_each(p, &h->list) {
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c = list_entry(p, struct hci_conn, list);
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if (c->handle == handle)
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return c;
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}
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return NULL;
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}
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static inline void hci_chan_list_init(struct hci_dev *hdev)
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{
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struct hci_chan_list *h = &hdev->chan_list;
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INIT_LIST_HEAD(&h->list);
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spin_lock_init(&h->lock);
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}
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static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
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__u8 type, bdaddr_t *ba)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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struct list_head *p;
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struct hci_conn *c;
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list_for_each(p, &h->list) {
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c = list_entry(p, struct hci_conn, list);
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if (c->type == type && !bacmp(&c->dst, ba))
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return c;
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}
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return NULL;
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}
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static inline struct hci_conn *hci_conn_hash_lookup_id(struct hci_dev *hdev,
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bdaddr_t *ba, __u8 id)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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struct list_head *p;
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struct hci_conn *c;
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list_for_each(p, &h->list) {
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c = list_entry(p, struct hci_conn, list);
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if (!bacmp(&c->dst, ba) && (c->dst_id == id))
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return c;
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}
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return NULL;
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}
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static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
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__u8 type, __u16 state)
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{
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struct hci_conn_hash *h = &hdev->conn_hash;
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struct list_head *p;
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struct hci_conn *c;
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list_for_each(p, &h->list) {
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c = list_entry(p, struct hci_conn, list);
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if (c->type == type && c->state == state)
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return c;
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}
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return NULL;
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}
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static inline struct hci_chan *hci_chan_list_lookup_handle(struct hci_dev *hdev,
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__u16 handle)
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{
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struct hci_chan_list *l = &hdev->chan_list;
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struct list_head *p;
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struct hci_chan *c;
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list_for_each(p, &l->list) {
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c = list_entry(p, struct hci_chan, list);
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if (c->ll_handle == handle)
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return c;
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}
|
|
return NULL;
|
|
}
|
|
|
|
static inline struct hci_chan *hci_chan_list_lookup_id(struct hci_dev *hdev,
|
|
__u8 handle)
|
|
{
|
|
struct hci_chan_list *l = &hdev->chan_list;
|
|
struct list_head *p;
|
|
struct hci_chan *c;
|
|
|
|
list_for_each(p, &l->list) {
|
|
c = list_entry(p, struct hci_chan, list);
|
|
if (c->conn->handle == handle)
|
|
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,
|
|
__u16 pkt_type, bdaddr_t *dst);
|
|
struct hci_conn *hci_le_conn_add(struct hci_dev *hdev, bdaddr_t *dst,
|
|
__u8 addr_type);
|
|
int hci_conn_del(struct hci_conn *conn);
|
|
void hci_conn_hash_flush(struct hci_dev *hdev, u8 is_process);
|
|
void hci_conn_check_pending(struct hci_dev *hdev);
|
|
|
|
struct hci_chan *hci_chan_add(struct hci_dev *hdev);
|
|
int hci_chan_del(struct hci_chan *chan);
|
|
static inline void hci_chan_hold(struct hci_chan *chan)
|
|
{
|
|
atomic_inc(&chan->refcnt);
|
|
}
|
|
int hci_chan_put(struct hci_chan *chan);
|
|
|
|
struct hci_chan *hci_chan_create(struct hci_chan *chan,
|
|
struct hci_ext_fs *tx_fs,
|
|
struct hci_ext_fs *rx_fs);
|
|
void hci_chan_modify(struct hci_chan *chan,
|
|
struct hci_ext_fs *tx_fs,
|
|
struct hci_ext_fs *rx_fs);
|
|
|
|
struct hci_conn *hci_connect(struct hci_dev *hdev, int type,
|
|
__u16 pkt_type, bdaddr_t *dst,
|
|
__u8 sec_level, __u8 auth_type);
|
|
struct hci_conn *hci_le_connect(struct hci_dev *hdev, __u16 pkt_type,
|
|
bdaddr_t *dst, __u8 sec_level,
|
|
__u8 auth_type,
|
|
struct bt_le_params *le_params);
|
|
void hci_le_add_dev_white_list(struct hci_dev *hdev, bdaddr_t *dst);
|
|
void hci_le_remove_dev_white_list(struct hci_dev *hdev, bdaddr_t *dst);
|
|
void hci_le_cancel_create_connect(struct hci_dev *hdev, bdaddr_t *dst);
|
|
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_disconnect(struct hci_conn *conn, __u8 reason);
|
|
void hci_disconnect_amp(struct hci_conn *conn, __u8 reason);
|
|
|
|
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);
|
|
|
|
void hci_conn_set_rssi_reporter(struct hci_conn *conn,
|
|
s8 rssi_threshold, u16 interval, u8 updateOnThreshExceed);
|
|
void hci_conn_unset_rssi_reporter(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 *= 4;
|
|
} 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_dev_get_type(__u8 amp_type);
|
|
|
|
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_set_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_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, int new_key, bdaddr_t *bdaddr,
|
|
u8 *key, 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 type,
|
|
u8 auth, 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)
|
|
|
|
/* ----- 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,
|
|
__u8 is_process);
|
|
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);
|
|
int (*create_cfm) (struct hci_chan *chan, __u8 status);
|
|
int (*modify_cfm) (struct hci_chan *chan, __u8 status);
|
|
int (*destroy_cfm) (struct hci_chan *chan, __u8 status);
|
|
};
|
|
|
|
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,
|
|
__u8 is_process)
|
|
{
|
|
register struct hci_proto *hp;
|
|
|
|
hp = hci_proto[HCI_PROTO_L2CAP];
|
|
if (hp && hp->disconn_cfm)
|
|
hp->disconn_cfm(conn, reason, is_process);
|
|
|
|
hp = hci_proto[HCI_PROTO_SCO];
|
|
if (hp && hp->disconn_cfm)
|
|
hp->disconn_cfm(conn, reason, is_process);
|
|
|
|
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);
|
|
}
|
|
|
|
static inline void hci_proto_create_cfm(struct hci_chan *chan, __u8 status)
|
|
{
|
|
register struct hci_proto *hp;
|
|
|
|
hp = hci_proto[HCI_PROTO_L2CAP];
|
|
if (hp && hp->create_cfm)
|
|
hp->create_cfm(chan, status);
|
|
}
|
|
|
|
static inline void hci_proto_modify_cfm(struct hci_chan *chan, __u8 status)
|
|
{
|
|
register struct hci_proto *hp;
|
|
|
|
hp = hci_proto[HCI_PROTO_L2CAP];
|
|
if (hp && hp->modify_cfm)
|
|
hp->modify_cfm(chan, status);
|
|
}
|
|
|
|
static inline void hci_proto_destroy_cfm(struct hci_chan *chan, __u8 status)
|
|
{
|
|
register struct hci_proto *hp;
|
|
|
|
hp = hci_proto[HCI_PROTO_L2CAP];
|
|
if (hp && hp->destroy_cfm)
|
|
hp->destroy_cfm(chan, 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 (!status && encrypt && 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);
|
|
|
|
/* AMP Manager event callbacks */
|
|
struct amp_mgr_cb {
|
|
struct list_head list;
|
|
void (*amp_cmd_complete_event) (struct hci_dev *hdev, __u16 opcode,
|
|
struct sk_buff *skb);
|
|
void (*amp_cmd_status_event) (struct hci_dev *hdev, __u16 opcode,
|
|
__u8 status);
|
|
void (*amp_event) (struct hci_dev *hdev, __u8 ev_code,
|
|
struct sk_buff *skb);
|
|
};
|
|
|
|
void hci_amp_cmd_complete(struct hci_dev *hdev, __u16 opcode,
|
|
struct sk_buff *skb);
|
|
void hci_amp_cmd_status(struct hci_dev *hdev, __u16 opcode, __u8 status);
|
|
void hci_amp_event_packet(struct hci_dev *hdev, __u8 ev_code,
|
|
struct sk_buff *skb);
|
|
|
|
int hci_register_amp(struct amp_mgr_cb *acb);
|
|
int hci_unregister_amp(struct amp_mgr_cb *acb);
|
|
|
|
int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
|
|
void hci_send_acl(struct hci_conn *conn, 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(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 bonded);
|
|
int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 le);
|
|
int mgmt_le_conn_params(u16 index, bdaddr_t *bdaddr, u16 interval,
|
|
u16 latency, u16 timeout);
|
|
int mgmt_disconnected(u16 index, bdaddr_t *bdaddr, u8 reason);
|
|
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);
|
|
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, u8 event, bdaddr_t *bdaddr,
|
|
__le32 value);
|
|
int mgmt_user_oob_request(u16 index, bdaddr_t *bdaddr);
|
|
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 type, u8 le,
|
|
u8 *dev_class, s8 rssi, u8 eir_len, u8 *eir);
|
|
void mgmt_read_rssi_complete(u16 index, s8 rssi, bdaddr_t *bdaddr,
|
|
u16 handle, u8 status);
|
|
int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 status, u8 *name);
|
|
void mgmt_inquiry_started(u16 index);
|
|
void mgmt_inquiry_complete_evt(u16 index, u8 status);
|
|
void mgmt_disco_timeout(unsigned long data);
|
|
void mgmt_disco_le_timeout(unsigned long data);
|
|
int mgmt_encrypt_change(u16 index, bdaddr_t *bdaddr, u8 status);
|
|
|
|
/* LE SMP Management interface */
|
|
int le_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, void *cp);
|
|
int mgmt_remote_class(u16 index, bdaddr_t *bdaddr, u8 dev_class[3]);
|
|
int mgmt_remote_version(u16 index, bdaddr_t *bdaddr, u8 ver, u16 mnf,
|
|
u16 sub_ver);
|
|
int mgmt_remote_features(u16 index, bdaddr_t *bdaddr, u8 features[8]);
|
|
|
|
/* 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);
|
|
|
|
void hci_read_rssi(struct hci_conn *conn);
|
|
|
|
#endif /* __HCI_CORE_H */
|