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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
94853 changed files with 43200404 additions and 0 deletions
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linux-7.2.3/include/net/bluetooth/bluetooth.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
Copyright 2023 NXP
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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 __BLUETOOTH_H
#define __BLUETOOTH_H
#include <linux/poll.h>
#include <net/sock.h>
#include <linux/seq_file.h>
#include <linux/ethtool.h>
#define BT_SUBSYS_VERSION 2
#define BT_SUBSYS_REVISION 22
#ifndef AF_BLUETOOTH
#define AF_BLUETOOTH 31
#define PF_BLUETOOTH AF_BLUETOOTH
#endif
/* Bluetooth versions */
#define BLUETOOTH_VER_1_1 1
#define BLUETOOTH_VER_1_2 2
#define BLUETOOTH_VER_2_0 3
#define BLUETOOTH_VER_2_1 4
#define BLUETOOTH_VER_4_0 6
/* Reserv for core and drivers use */
#define BT_SKB_RESERVE 8
#define BTPROTO_L2CAP 0
#define BTPROTO_HCI 1
#define BTPROTO_SCO 2
#define BTPROTO_RFCOMM 3
#define BTPROTO_BNEP 4
#define BTPROTO_CMTP 5
#define BTPROTO_HIDP 6
#define BTPROTO_AVDTP 7
#define BTPROTO_ISO 8
#define BTPROTO_LAST BTPROTO_ISO
#define SOL_HCI 0
#define SOL_L2CAP 6
#define SOL_SCO 17
#define SOL_RFCOMM 18
#define BT_SECURITY 4
struct bt_security {
__u8 level;
__u8 key_size;
};
#define BT_SECURITY_SDP 0
#define BT_SECURITY_LOW 1
#define BT_SECURITY_MEDIUM 2
#define BT_SECURITY_HIGH 3
#define BT_SECURITY_FIPS 4
#define BT_DEFER_SETUP 7
#define BT_FLUSHABLE 8
#define BT_FLUSHABLE_OFF 0
#define BT_FLUSHABLE_ON 1
#define BT_POWER 9
struct bt_power {
__u8 force_active;
};
#define BT_POWER_FORCE_ACTIVE_OFF 0
#define BT_POWER_FORCE_ACTIVE_ON 1
#define BT_CHANNEL_POLICY 10
/* BR/EDR only (default policy)
* AMP controllers cannot be used.
* Channel move requests from the remote device are denied.
* If the L2CAP channel is currently using AMP, move the channel to BR/EDR.
*/
#define BT_CHANNEL_POLICY_BREDR_ONLY 0
/* BR/EDR Preferred
* Allow use of AMP controllers.
* If the L2CAP channel is currently on AMP, move it to BR/EDR.
* Channel move requests from the remote device are allowed.
*/
#define BT_CHANNEL_POLICY_BREDR_PREFERRED 1
/* AMP Preferred
* Allow use of AMP controllers
* If the L2CAP channel is currently on BR/EDR and AMP controller
* resources are available, initiate a channel move to AMP.
* Channel move requests from the remote device are allowed.
* If the L2CAP socket has not been connected yet, try to create
* and configure the channel directly on an AMP controller rather
* than BR/EDR.
*/
#define BT_CHANNEL_POLICY_AMP_PREFERRED 2
#define BT_VOICE 11
struct bt_voice {
__u16 setting;
};
#define BT_VOICE_TRANSPARENT 0x0003
#define BT_VOICE_CVSD_16BIT 0x0060
#define BT_VOICE_TRANSPARENT_16BIT 0x0063
#define BT_SNDMTU 12
#define BT_RCVMTU 13
#define BT_PHY 14
#define BT_PHY_BR_1M_1SLOT BIT(0)
#define BT_PHY_BR_1M_3SLOT BIT(1)
#define BT_PHY_BR_1M_5SLOT BIT(2)
#define BT_PHY_EDR_2M_1SLOT BIT(3)
#define BT_PHY_EDR_2M_3SLOT BIT(4)
#define BT_PHY_EDR_2M_5SLOT BIT(5)
#define BT_PHY_EDR_3M_1SLOT BIT(6)
#define BT_PHY_EDR_3M_3SLOT BIT(7)
#define BT_PHY_EDR_3M_5SLOT BIT(8)
#define BT_PHY_LE_1M_TX BIT(9)
#define BT_PHY_LE_1M_RX BIT(10)
#define BT_PHY_LE_2M_TX BIT(11)
#define BT_PHY_LE_2M_RX BIT(12)
#define BT_PHY_LE_CODED_TX BIT(13)
#define BT_PHY_LE_CODED_RX BIT(14)
#define BT_PHY_BREDR_MASK (BT_PHY_BR_1M_1SLOT | BT_PHY_BR_1M_3SLOT | \
BT_PHY_BR_1M_5SLOT | BT_PHY_EDR_2M_1SLOT | \
BT_PHY_EDR_2M_3SLOT | BT_PHY_EDR_2M_5SLOT | \
BT_PHY_EDR_3M_1SLOT | BT_PHY_EDR_3M_3SLOT | \
BT_PHY_EDR_3M_5SLOT)
#define BT_PHY_LE_MASK (BT_PHY_LE_1M_TX | BT_PHY_LE_1M_RX | \
BT_PHY_LE_2M_TX | BT_PHY_LE_2M_RX | \
BT_PHY_LE_CODED_TX | BT_PHY_LE_CODED_RX)
#define BT_MODE 15
#define BT_MODE_BASIC 0x00
#define BT_MODE_ERTM 0x01
#define BT_MODE_STREAMING 0x02
#define BT_MODE_LE_FLOWCTL 0x03
#define BT_MODE_EXT_FLOWCTL 0x04
#define BT_PKT_STATUS 16
#define BT_SCM_PKT_STATUS 0x03
#define BT_SCM_ERROR 0x04
#define BT_ISO_QOS 17
#define BT_ISO_QOS_CIG_UNSET 0xff
#define BT_ISO_QOS_CIS_UNSET 0xff
#define BT_ISO_QOS_BIG_UNSET 0xff
#define BT_ISO_QOS_BIS_UNSET 0xff
#define BT_ISO_SYNC_TIMEOUT 0x07d0 /* 20 secs */
struct bt_iso_io_qos {
__u32 interval;
__u16 latency;
__u16 sdu;
__u8 phys;
__u8 rtn;
};
struct bt_iso_ucast_qos {
__u8 cig;
__u8 cis;
__u8 sca;
__u8 packing;
__u8 framing;
struct bt_iso_io_qos in;
struct bt_iso_io_qos out;
};
struct bt_iso_bcast_qos {
__u8 big;
__u8 bis;
__u8 sync_factor;
__u8 packing;
__u8 framing;
struct bt_iso_io_qos in;
struct bt_iso_io_qos out;
__u8 encryption;
__u8 bcode[16];
__u8 options;
__u16 skip;
__u16 sync_timeout;
__u8 sync_cte_type;
__u8 mse;
__u16 timeout;
};
struct bt_iso_qos {
union {
struct bt_iso_ucast_qos ucast;
struct bt_iso_bcast_qos bcast;
};
};
#define BT_ISO_PHY_1M BIT(0)
#define BT_ISO_PHY_2M BIT(1)
#define BT_ISO_PHY_CODED BIT(2)
#define BT_ISO_PHY_ANY (BT_ISO_PHY_1M | BT_ISO_PHY_2M | \
BT_ISO_PHY_CODED)
#define BT_CODEC 19
struct bt_codec_caps {
__u8 len;
__u8 data[];
} __packed;
struct bt_codec {
__u8 id;
__u16 cid;
__u16 vid;
__u8 data_path;
__u8 num_caps;
} __packed;
struct bt_codecs {
__u8 num_codecs;
struct bt_codec codecs[];
} __packed;
#define BT_CODEC_CVSD 0x02
#define BT_CODEC_TRANSPARENT 0x03
#define BT_CODEC_MSBC 0x05
#define BT_ISO_BASE 20
/* Socket option value 21 reserved */
#define BT_PKT_SEQNUM 22
#define BT_SCM_PKT_SEQNUM 0x05
__printf(1, 2)
void bt_info(const char *fmt, ...);
__printf(1, 2)
void bt_warn(const char *fmt, ...);
__printf(1, 2)
void bt_err(const char *fmt, ...);
#if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
void bt_dbg_set(bool enable);
bool bt_dbg_get(void);
__printf(1, 2)
void bt_dbg(const char *fmt, ...);
#endif
__printf(1, 2)
void bt_warn_ratelimited(const char *fmt, ...);
__printf(1, 2)
void bt_err_ratelimited(const char *fmt, ...);
#define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__)
#define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__)
#define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__)
#if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
#define BT_DBG(fmt, ...) \
bt_dbg("%s:%d: " fmt "\n", __func__, __LINE__, ##__VA_ARGS__)
#else
#define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
#endif
#define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null")
#define bt_dev_info(hdev, fmt, ...) \
BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_warn(hdev, fmt, ...) \
BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_err(hdev, fmt, ...) \
BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_dbg(hdev, fmt, ...) \
BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_warn_ratelimited(hdev, fmt, ...) \
bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_err_ratelimited(hdev, fmt, ...) \
bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
/* Connection and socket states */
enum bt_sock_state {
BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
BT_OPEN,
BT_BOUND,
BT_LISTEN,
BT_CONNECT,
BT_CONNECT2,
BT_CONFIG,
BT_DISCONN,
BT_CLOSED
};
/* If unused will be removed by compiler */
static inline const char *state_to_string(int state)
{
switch (state) {
case BT_CONNECTED:
return "BT_CONNECTED";
case BT_OPEN:
return "BT_OPEN";
case BT_BOUND:
return "BT_BOUND";
case BT_LISTEN:
return "BT_LISTEN";
case BT_CONNECT:
return "BT_CONNECT";
case BT_CONNECT2:
return "BT_CONNECT2";
case BT_CONFIG:
return "BT_CONFIG";
case BT_DISCONN:
return "BT_DISCONN";
case BT_CLOSED:
return "BT_CLOSED";
}
return "invalid state";
}
/* BD Address */
typedef struct {
__u8 b[6];
} __packed bdaddr_t;
/* BD Address type */
#define BDADDR_BREDR 0x00
#define BDADDR_LE_PUBLIC 0x01
#define BDADDR_LE_RANDOM 0x02
static inline bool bdaddr_type_is_valid(u8 type)
{
switch (type) {
case BDADDR_BREDR:
case BDADDR_LE_PUBLIC:
case BDADDR_LE_RANDOM:
return true;
}
return false;
}
static inline bool bdaddr_type_is_le(u8 type)
{
switch (type) {
case BDADDR_LE_PUBLIC:
case BDADDR_LE_RANDOM:
return true;
}
return false;
}
#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
#define BDADDR_NONE (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
/* Copy, swap, convert BD Address */
static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
{
return memcmp(ba1, ba2, sizeof(bdaddr_t));
}
static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
{
memcpy(dst, src, sizeof(bdaddr_t));
}
void baswap(bdaddr_t *dst, const bdaddr_t *src);
/* Common socket structures and functions */
#define bt_sk(__sk) ((struct bt_sock *) __sk)
struct bt_sock {
struct sock sk;
struct list_head accept_q;
spinlock_t accept_q_lock; /* protects accept_q */
struct sock *parent;
unsigned long flags;
void (*skb_msg_name)(struct sk_buff *, void *, int *);
void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *);
};
enum {
BT_SK_DEFER_SETUP,
BT_SK_SUSPEND,
BT_SK_PKT_STATUS,
BT_SK_PKT_SEQNUM,
};
struct bt_sock_list {
struct hlist_head head;
rwlock_t lock;
#ifdef CONFIG_PROC_FS
int (* custom_seq_show)(struct seq_file *, void *);
#endif
};
int bt_sock_register(int proto, const struct net_proto_family *ops);
void bt_sock_unregister(int proto);
void bt_sock_link(struct bt_sock_list *l, struct sock *s);
void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
bool bt_sock_linked(struct bt_sock_list *l, struct sock *s);
struct sock *bt_sock_alloc(struct net *net, struct socket *sock,
struct proto *prot, int proto, gfp_t prio, int kern);
int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
int flags);
int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
size_t len, int flags);
__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
int bt_sock_wait_ready(struct sock *sk, unsigned int msg_flags);
void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh);
void bt_accept_unlink(struct sock *sk);
struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
/* Skb helpers */
struct l2cap_ctrl {
u8 sframe:1,
poll:1,
final:1,
fcs:1,
sar:2,
super:2;
u16 reqseq;
u16 txseq;
u8 retries;
__le16 psm;
bdaddr_t bdaddr;
struct l2cap_chan *chan;
};
struct hci_dev;
typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status,
u16 opcode, struct sk_buff *skb);
void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
hci_req_complete_t *req_complete,
hci_req_complete_skb_t *req_complete_skb);
int hci_ethtool_ts_info(unsigned int index, int sk_proto,
struct kernel_ethtool_ts_info *ts_info);
#define HCI_REQ_START BIT(0)
#define HCI_REQ_SKB BIT(1)
struct hci_ctrl {
struct sock *sk;
u16 opcode;
u8 req_flags;
u8 req_event;
union {
hci_req_complete_t req_complete;
hci_req_complete_skb_t req_complete_skb;
};
};
struct mgmt_ctrl {
struct hci_dev *hdev;
u16 opcode;
};
struct bt_skb_cb {
u8 pkt_type;
u8 force_active;
u16 expect;
u16 pkt_seqnum;
u8 incoming:1;
u8 pkt_status:2;
union {
struct l2cap_ctrl l2cap;
struct hci_ctrl hci;
struct mgmt_ctrl mgmt;
struct scm_creds creds;
};
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
#define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
#define hci_skb_pkt_status(skb) bt_cb((skb))->pkt_status
#define hci_skb_pkt_seqnum(skb) bt_cb((skb))->pkt_seqnum
#define hci_skb_expect(skb) bt_cb((skb))->expect
#define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
#define hci_skb_event(skb) bt_cb((skb))->hci.req_event
#define hci_skb_sk(skb) bt_cb((skb))->hci.sk
static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
{
struct sk_buff *skb;
skb = alloc_skb(len + BT_SKB_RESERVE, how);
if (skb)
skb_reserve(skb, BT_SKB_RESERVE);
return skb;
}
static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk,
unsigned long len, int nb, int *err)
{
struct sk_buff *skb;
skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err);
if (skb)
skb_reserve(skb, BT_SKB_RESERVE);
if (!skb && *err)
return NULL;
*err = sock_error(sk);
if (*err)
goto out;
if (sk->sk_shutdown) {
*err = -ECONNRESET;
goto out;
}
return skb;
out:
kfree_skb(skb);
return NULL;
}
/* Shall not be called with lock_sock held */
static inline struct sk_buff *bt_skb_sendmsg(struct sock *sk,
struct msghdr *msg,
size_t len, size_t mtu,
size_t headroom, size_t tailroom)
{
struct sk_buff *skb;
size_t size = min_t(size_t, len, mtu);
int err;
skb = bt_skb_send_alloc(sk, size + headroom + tailroom,
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
return ERR_PTR(err);
skb_reserve(skb, headroom);
skb_tailroom_reserve(skb, mtu, tailroom);
if (!copy_from_iter_full(skb_put(skb, size), size, &msg->msg_iter)) {
kfree_skb(skb);
return ERR_PTR(-EFAULT);
}
skb->priority = READ_ONCE(sk->sk_priority);
return skb;
}
/* Similar to bt_skb_sendmsg but can split the msg into multiple fragments
* accourding to the MTU.
*/
static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
struct msghdr *msg,
size_t len, size_t mtu,
size_t headroom, size_t tailroom)
{
struct sk_buff *skb, **frag;
skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
if (IS_ERR(skb))
return skb;
len -= skb->len;
if (!len)
return skb;
/* Add remaining data over MTU as continuation fragments */
frag = &skb_shinfo(skb)->frag_list;
while (len) {
struct sk_buff *tmp;
tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
if (IS_ERR(tmp)) {
return skb;
}
len -= tmp->len;
*frag = tmp;
frag = &(*frag)->next;
}
return skb;
}
int bt_to_errno(u16 code);
__u8 bt_status(int err);
void hci_sock_set_flag(struct sock *sk, int nr);
void hci_sock_clear_flag(struct sock *sk, int nr);
int hci_sock_test_flag(struct sock *sk, int nr);
unsigned short hci_sock_get_channel(struct sock *sk);
u32 hci_sock_get_cookie(struct sock *sk);
int hci_sock_init(void);
void hci_sock_cleanup(void);
int bt_sysfs_init(void);
void bt_sysfs_cleanup(void);
int bt_procfs_init(struct net *net, const char *name,
struct bt_sock_list *sk_list,
int (*seq_show)(struct seq_file *, void *));
void bt_procfs_cleanup(struct net *net, const char *name);
extern struct dentry *bt_debugfs;
int l2cap_init(void);
void l2cap_exit(void);
#if IS_ENABLED(CONFIG_BT_BREDR)
int sco_init(void);
void sco_exit(void);
#else
static inline int sco_init(void)
{
return 0;
}
static inline void sco_exit(void)
{
}
#endif
#if IS_ENABLED(CONFIG_BT_LE)
int iso_init(void);
int iso_exit(void);
bool iso_inited(void);
#else
static inline int iso_init(void)
{
return 0;
}
static inline int iso_exit(void)
{
return 0;
}
static inline bool iso_inited(void)
{
return false;
}
#endif
int mgmt_init(void);
void mgmt_exit(void);
void mgmt_cleanup(struct sock *sk);
void bt_sock_reclassify_lock(struct sock *sk, int proto);
#endif /* __BLUETOOTH_H */
linux-7.2.3/include/net/bluetooth/coredump.h
+116
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@@ -0,0 +1,116 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2022 Google Corporation
*/
#ifndef __COREDUMP_H
#define __COREDUMP_H
#define DEVCOREDUMP_TIMEOUT msecs_to_jiffies(10000) /* 10 sec */
typedef void (*coredump_t)(struct hci_dev *hdev);
typedef void (*dmp_hdr_t)(struct hci_dev *hdev, struct sk_buff *skb);
typedef void (*notify_change_t)(struct hci_dev *hdev, int state);
/* struct hci_devcoredump - Devcoredump state
*
* @supported: Indicates if FW dump collection is supported by driver
* @state: Current state of dump collection
* @timeout: Indicates a timeout for collecting the devcoredump
*
* @alloc_size: Total size of the dump
* @head: Start of the dump
* @tail: Pointer to current end of dump
* @end: head + alloc_size for easy comparisons
*
* @dump_q: Dump queue for state machine to process
* @dump_rx: Devcoredump state machine work
* @dump_timeout: Devcoredump timeout work
*
* @coredump: Called from the driver's .coredump() function.
* @dmp_hdr: Create a dump header to identify controller/fw/driver info
* @notify_change: Notify driver when devcoredump state has changed
*/
struct hci_devcoredump {
bool supported;
enum devcoredump_state {
HCI_DEVCOREDUMP_IDLE,
HCI_DEVCOREDUMP_ACTIVE,
HCI_DEVCOREDUMP_DONE,
HCI_DEVCOREDUMP_ABORT,
HCI_DEVCOREDUMP_TIMEOUT,
} state;
unsigned long timeout;
size_t alloc_size;
char *head;
char *tail;
char *end;
struct sk_buff_head dump_q;
struct work_struct dump_rx;
struct delayed_work dump_timeout;
coredump_t coredump;
dmp_hdr_t dmp_hdr;
notify_change_t notify_change;
};
#ifdef CONFIG_DEV_COREDUMP
void hci_devcd_reset(struct hci_dev *hdev);
void hci_devcd_rx(struct work_struct *work);
void hci_devcd_timeout(struct work_struct *work);
int hci_devcd_register(struct hci_dev *hdev, coredump_t coredump,
dmp_hdr_t dmp_hdr, notify_change_t notify_change);
int hci_devcd_init(struct hci_dev *hdev, u32 dump_size);
int hci_devcd_append(struct hci_dev *hdev, struct sk_buff *skb);
int hci_devcd_append_pattern(struct hci_dev *hdev, u8 pattern, u32 len);
int hci_devcd_complete(struct hci_dev *hdev);
int hci_devcd_abort(struct hci_dev *hdev);
#else
static inline void hci_devcd_reset(struct hci_dev *hdev) {}
static inline void hci_devcd_rx(struct work_struct *work) {}
static inline void hci_devcd_timeout(struct work_struct *work) {}
static inline int hci_devcd_register(struct hci_dev *hdev, coredump_t coredump,
dmp_hdr_t dmp_hdr,
notify_change_t notify_change)
{
return -EOPNOTSUPP;
}
static inline int hci_devcd_init(struct hci_dev *hdev, u32 dump_size)
{
return -EOPNOTSUPP;
}
static inline int hci_devcd_append(struct hci_dev *hdev, struct sk_buff *skb)
{
return -EOPNOTSUPP;
}
static inline int hci_devcd_append_pattern(struct hci_dev *hdev,
u8 pattern, u32 len)
{
return -EOPNOTSUPP;
}
static inline int hci_devcd_complete(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int hci_devcd_abort(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_DEV_COREDUMP */
#endif /* __COREDUMP_H */
linux-7.2.3/include/net/bluetooth/hci.h
+3432
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linux-7.2.3/include/net/bluetooth/hci_core.h
+2516
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linux-7.2.3/include/net/bluetooth/hci_drv.h
+76
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@@ -0,0 +1,76 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2025 Google Corporation
*/
#ifndef __HCI_DRV_H
#define __HCI_DRV_H
#include <linux/types.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci.h>
struct hci_drv_cmd_hdr {
__le16 opcode;
__le16 len;
} __packed;
struct hci_drv_ev_hdr {
__le16 opcode;
__le16 len;
} __packed;
#define HCI_DRV_EV_CMD_STATUS 0x0000
struct hci_drv_ev_cmd_status {
__le16 opcode;
__u8 status;
} __packed;
#define HCI_DRV_EV_CMD_COMPLETE 0x0001
struct hci_drv_ev_cmd_complete {
__le16 opcode;
__u8 status;
__u8 data[];
} __packed;
#define HCI_DRV_STATUS_SUCCESS 0x00
#define HCI_DRV_STATUS_UNSPECIFIED_ERROR 0x01
#define HCI_DRV_STATUS_UNKNOWN_COMMAND 0x02
#define HCI_DRV_STATUS_INVALID_PARAMETERS 0x03
#define HCI_DRV_MAX_DRIVER_NAME_LENGTH 32
/* Common commands that make sense on all drivers start from 0x0000 */
#define HCI_DRV_OP_READ_INFO 0x0000
#define HCI_DRV_READ_INFO_SIZE 0
struct hci_drv_rp_read_info {
__u8 driver_name[HCI_DRV_MAX_DRIVER_NAME_LENGTH];
__le16 num_supported_commands;
__le16 supported_commands[] __counted_by_le(num_supported_commands);
} __packed;
/* Driver specific OGF (Opcode Group Field)
* Commands in this group may have different meanings across different drivers.
*/
#define HCI_DRV_OGF_DRIVER_SPECIFIC 0x01
int hci_drv_cmd_status(struct hci_dev *hdev, u16 cmd, u8 status);
int hci_drv_cmd_complete(struct hci_dev *hdev, u16 cmd, u8 status, void *rp,
size_t rp_len);
int hci_drv_process_cmd(struct hci_dev *hdev, struct sk_buff *cmd_skb);
struct hci_drv_handler {
int (*func)(struct hci_dev *hdev, void *data, u16 data_len);
size_t data_len;
};
struct hci_drv {
size_t common_handler_count;
const struct hci_drv_handler *common_handlers;
size_t specific_handler_count;
const struct hci_drv_handler *specific_handlers;
};
#endif /* __HCI_DRV_H */
linux-7.2.3/include/net/bluetooth/hci_mon.h
+68
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/* SPDX-License-Identifier: GPL-2.0 */
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2011-2012 Intel Corporation
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_MON_H
#define __HCI_MON_H
struct hci_mon_hdr {
__le16 opcode;
__le16 index;
__le16 len;
} __packed;
#define HCI_MON_HDR_SIZE 6
#define HCI_MON_NEW_INDEX 0
#define HCI_MON_DEL_INDEX 1
#define HCI_MON_COMMAND_PKT 2
#define HCI_MON_EVENT_PKT 3
#define HCI_MON_ACL_TX_PKT 4
#define HCI_MON_ACL_RX_PKT 5
#define HCI_MON_SCO_TX_PKT 6
#define HCI_MON_SCO_RX_PKT 7
#define HCI_MON_OPEN_INDEX 8
#define HCI_MON_CLOSE_INDEX 9
#define HCI_MON_INDEX_INFO 10
#define HCI_MON_VENDOR_DIAG 11
#define HCI_MON_SYSTEM_NOTE 12
#define HCI_MON_USER_LOGGING 13
#define HCI_MON_CTRL_OPEN 14
#define HCI_MON_CTRL_CLOSE 15
#define HCI_MON_CTRL_COMMAND 16
#define HCI_MON_CTRL_EVENT 17
#define HCI_MON_ISO_TX_PKT 18
#define HCI_MON_ISO_RX_PKT 19
#define HCI_MON_DRV_TX_PKT 20
#define HCI_MON_DRV_RX_PKT 21
struct hci_mon_new_index {
__u8 type;
__u8 bus;
bdaddr_t bdaddr;
char name[8] __nonstring;
} __packed;
#define HCI_MON_NEW_INDEX_SIZE 16
struct hci_mon_index_info {
bdaddr_t bdaddr;
__le16 manufacturer;
} __packed;
#define HCI_MON_INDEX_INFO_SIZE 8
#endif /* __HCI_MON_H */
linux-7.2.3/include/net/bluetooth/hci_sock.h
+173
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/* SPDX-License-Identifier: GPL-2.0 */
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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_SOCK_H
#define __HCI_SOCK_H
/* Socket options */
#define HCI_DATA_DIR 1
#define HCI_FILTER 2
#define HCI_TIME_STAMP 3
/* CMSG flags */
#define HCI_CMSG_DIR 0x01
#define HCI_CMSG_TSTAMP 0x02
struct sockaddr_hci {
sa_family_t hci_family;
unsigned short hci_dev;
unsigned short hci_channel;
};
#define HCI_DEV_NONE 0xffff
#define HCI_CHANNEL_RAW 0
#define HCI_CHANNEL_USER 1
#define HCI_CHANNEL_MONITOR 2
#define HCI_CHANNEL_CONTROL 3
#define HCI_CHANNEL_LOGGING 4
struct hci_filter {
unsigned long type_mask;
unsigned long event_mask[2];
__le16 opcode;
};
struct hci_ufilter {
__u32 type_mask;
__u32 event_mask[2];
__le16 opcode;
};
#define HCI_FLT_TYPE_BITS 31
#define HCI_FLT_EVENT_BITS 63
#define HCI_FLT_OGF_BITS 63
#define HCI_FLT_OCF_BITS 127
/* Ioctl defines */
#define HCIDEVUP _IOW('H', 201, int)
#define HCIDEVDOWN _IOW('H', 202, int)
#define HCIDEVRESET _IOW('H', 203, int)
#define HCIDEVRESTAT _IOW('H', 204, int)
#define HCIGETDEVLIST _IOR('H', 210, int)
#define HCIGETDEVINFO _IOR('H', 211, int)
#define HCIGETCONNLIST _IOR('H', 212, int)
#define HCIGETCONNINFO _IOR('H', 213, int)
#define HCIGETAUTHINFO _IOR('H', 215, int)
#define HCISETRAW _IOW('H', 220, int)
#define HCISETSCAN _IOW('H', 221, int)
#define HCISETAUTH _IOW('H', 222, int)
#define HCISETENCRYPT _IOW('H', 223, int)
#define HCISETPTYPE _IOW('H', 224, int)
#define HCISETLINKPOL _IOW('H', 225, int)
#define HCISETLINKMODE _IOW('H', 226, int)
#define HCISETACLMTU _IOW('H', 227, int)
#define HCISETSCOMTU _IOW('H', 228, int)
#define HCIBLOCKADDR _IOW('H', 230, int)
#define HCIUNBLOCKADDR _IOW('H', 231, int)
#define HCIINQUIRY _IOR('H', 240, int)
/* Ioctl requests structures */
struct hci_dev_stats {
__u32 err_rx;
__u32 err_tx;
__u32 cmd_tx;
__u32 evt_rx;
__u32 acl_tx;
__u32 acl_rx;
__u32 sco_tx;
__u32 sco_rx;
__u32 byte_rx;
__u32 byte_tx;
};
struct hci_dev_info {
__u16 dev_id;
char name[8];
bdaddr_t bdaddr;
__u32 flags;
__u8 type;
__u8 features[8];
__u32 pkt_type;
__u32 link_policy;
__u32 link_mode;
__u16 acl_mtu;
__u16 acl_pkts;
__u16 sco_mtu;
__u16 sco_pkts;
struct hci_dev_stats stat;
};
struct hci_conn_info {
__u16 handle;
bdaddr_t bdaddr;
__u8 type;
__u8 out;
__u16 state;
__u32 link_mode;
};
struct hci_dev_req {
__u16 dev_id;
__u32 dev_opt;
};
struct hci_dev_list_req {
__u16 dev_num;
struct hci_dev_req dev_req[] __counted_by(dev_num);
};
struct hci_conn_list_req {
__u16 dev_id;
__u16 conn_num;
struct hci_conn_info conn_info[];
};
struct hci_conn_info_req {
bdaddr_t bdaddr;
__u8 type;
struct hci_conn_info conn_info[];
};
struct hci_auth_info_req {
bdaddr_t bdaddr;
__u8 type;
};
struct hci_inquiry_req {
__u16 dev_id;
__u16 flags;
__u8 lap[3];
__u8 length;
__u8 num_rsp;
};
#define IREQ_CACHE_FLUSH 0x0001
#endif /* __HCI_SOCK_H */
linux-7.2.3/include/net/bluetooth/hci_sync.h
+196
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2021 Intel Corporation
*/
#define UINT_PTR(_handle) ((void *)((uintptr_t)_handle))
#define PTR_UINT(_ptr) ((uintptr_t)((void *)_ptr))
#define HCI_REQ_DONE 0
#define HCI_REQ_PEND 1
#define HCI_REQ_CANCELED 2
#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock)
#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
struct hci_request {
struct hci_dev *hdev;
struct sk_buff_head cmd_q;
/* If something goes wrong when building the HCI request, the error
* value is stored in this field.
*/
int err;
};
typedef int (*hci_cmd_sync_work_func_t)(struct hci_dev *hdev, void *data);
typedef void (*hci_cmd_sync_work_destroy_t)(struct hci_dev *hdev, void *data,
int err);
struct hci_cmd_sync_work_entry {
struct list_head list;
hci_cmd_sync_work_func_t func;
void *data;
hci_cmd_sync_work_destroy_t destroy;
};
struct adv_info;
struct sk_buff *hci_cmd_sync_alloc(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, struct sock *sk);
/* Function with sync suffix shall not be called with hdev->lock held as they
* wait the command to complete and in the meantime an event could be received
* which could attempt to acquire hdev->lock causing a deadlock.
*/
struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u8 event, u32 timeout);
struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u8 event, u32 timeout,
struct sock *sk);
int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u8 event, u32 timeout,
struct sock *sk);
int hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param, u32 timeout);
void hci_cmd_sync_init(struct hci_dev *hdev);
void hci_cmd_sync_clear(struct hci_dev *hdev);
void hci_cmd_sync_cancel(struct hci_dev *hdev, int err);
void hci_cmd_sync_cancel_sync(struct hci_dev *hdev, int err);
int hci_cmd_sync_submit(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
int hci_cmd_sync_queue_once(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
int hci_cmd_sync_run(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
int hci_cmd_sync_run_once(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
struct hci_cmd_sync_work_entry *
hci_cmd_sync_lookup_entry(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
void hci_cmd_sync_cancel_entry(struct hci_dev *hdev,
struct hci_cmd_sync_work_entry *entry);
bool hci_cmd_sync_dequeue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
void *data, hci_cmd_sync_work_destroy_t destroy);
bool hci_cmd_sync_dequeue_once(struct hci_dev *hdev,
hci_cmd_sync_work_func_t func, void *data,
hci_cmd_sync_work_destroy_t destroy);
int hci_update_eir_sync(struct hci_dev *hdev);
int hci_update_class_sync(struct hci_dev *hdev);
int hci_update_eir_sync(struct hci_dev *hdev);
int hci_update_class_sync(struct hci_dev *hdev);
int hci_update_name_sync(struct hci_dev *hdev, const u8 *name);
int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
bool use_rpa, struct adv_info *adv_instance,
u8 *own_addr_type, bdaddr_t *rand_addr);
int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
bool rpa, u8 *own_addr_type);
int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
int hci_update_adv_data(struct hci_dev *hdev, u8 instance);
int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
bool force);
int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
int hci_enable_advertising_sync(struct hci_dev *hdev);
int hci_enable_advertising(struct hci_dev *hdev);
int hci_start_per_adv_sync(struct hci_dev *hdev, u8 instance, u8 sid,
u8 data_len, u8 *data, u32 flags, u16 min_interval,
u16 max_interval, u16 sync_interval);
int hci_disable_per_advertising_sync(struct hci_dev *hdev, u8 instance);
int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
u8 instance, bool force);
int hci_disable_advertising_sync(struct hci_dev *hdev);
int hci_clear_adv_instance_sync(struct hci_dev *hdev, struct sock *sk,
u8 instance, bool force);
int hci_update_passive_scan_sync(struct hci_dev *hdev);
int hci_update_passive_scan(struct hci_dev *hdev);
int hci_read_rssi_sync(struct hci_dev *hdev, __le16 handle);
int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type);
int hci_write_sc_support_sync(struct hci_dev *hdev, u8 val);
int hci_read_clock_sync(struct hci_dev *hdev, struct hci_cp_read_clock *cp);
int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
int hci_update_scan_sync(struct hci_dev *hdev);
int hci_update_scan(struct hci_dev *hdev);
int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul);
int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
struct sock *sk);
struct sk_buff *hci_read_local_oob_data_sync(struct hci_dev *hdev, bool ext,
struct sock *sk);
int hci_reset_sync(struct hci_dev *hdev);
int hci_dev_open_sync(struct hci_dev *hdev);
int hci_dev_close_sync(struct hci_dev *hdev);
int hci_powered_update_sync(struct hci_dev *hdev);
int hci_set_powered_sync(struct hci_dev *hdev, u8 val);
int hci_update_discoverable_sync(struct hci_dev *hdev);
int hci_update_discoverable(struct hci_dev *hdev);
int hci_update_connectable_sync(struct hci_dev *hdev);
int hci_inquiry_sync(struct hci_dev *hdev, u8 length, u8 num_rsp);
int hci_start_discovery_sync(struct hci_dev *hdev);
int hci_stop_discovery_sync(struct hci_dev *hdev);
int hci_suspend_sync(struct hci_dev *hdev);
int hci_resume_sync(struct hci_dev *hdev);
struct hci_conn;
struct hci_conn_params;
int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason);
int hci_le_create_cis_sync(struct hci_dev *hdev);
int hci_le_remove_cig_sync(struct hci_dev *hdev, u8 handle);
int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason);
int hci_le_big_terminate_sync(struct hci_dev *hdev, u8 handle);
int hci_le_pa_terminate_sync(struct hci_dev *hdev, u16 handle);
int hci_connect_acl_sync(struct hci_dev *hdev, struct hci_conn *conn);
int hci_connect_le_sync(struct hci_dev *hdev, struct hci_conn *conn);
int hci_cancel_connect_sync(struct hci_dev *hdev, struct hci_conn *conn);
int hci_le_conn_update_sync(struct hci_dev *hdev, struct hci_conn *conn,
struct hci_conn_params *params);
int hci_connect_pa_sync(struct hci_dev *hdev, struct hci_conn *conn);
int hci_connect_big_sync(struct hci_dev *hdev, struct hci_conn *conn);
int hci_past_sync(struct hci_conn *conn, struct hci_conn *le);
int hci_le_read_remote_features(struct hci_conn *conn);
int hci_acl_change_pkt_type(struct hci_conn *conn, u16 pkt_type);
int hci_le_set_phy(struct hci_conn *conn, u8 tx_phys, u8 rx_phys);
linux-7.2.3/include/net/bluetooth/iso.h
+32
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@@ -0,0 +1,32 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2022 Intel Corporation
*/
#ifndef __ISO_H
#define __ISO_H
/* ISO defaults */
#define ISO_DEFAULT_MTU 251
#define ISO_MAX_NUM_BIS 0x1f
/* ISO socket broadcast address */
struct sockaddr_iso_bc {
bdaddr_t bc_bdaddr;
__u8 bc_bdaddr_type;
__u8 bc_sid;
__u8 bc_num_bis;
__u8 bc_bis[ISO_MAX_NUM_BIS];
};
/* ISO socket address */
struct sockaddr_iso {
sa_family_t iso_family;
bdaddr_t iso_bdaddr;
__u8 iso_bdaddr_type;
struct sockaddr_iso_bc iso_bc[];
};
#endif /* __ISO_H */
linux-7.2.3/include/net/bluetooth/l2cap.h
+983
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@@ -0,0 +1,983 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org>
Copyright (C) 2010 Google Inc.
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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 __L2CAP_H
#define __L2CAP_H
#include <linux/unaligned.h>
#include <linux/atomic.h>
/* L2CAP defaults */
#define L2CAP_DEFAULT_MTU 672
#define L2CAP_DEFAULT_MIN_MTU 48
#define L2CAP_SIG_MTU 48 /* BR/EDR signaling MTU */
#define L2CAP_DEFAULT_FLUSH_TO 0xFFFF
#define L2CAP_EFS_DEFAULT_FLUSH_TO 0xFFFFFFFF
#define L2CAP_DEFAULT_TX_WINDOW 63
#define L2CAP_DEFAULT_EXT_WINDOW 0x3FFF
#define L2CAP_DEFAULT_MAX_TX 3
#define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */
#define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */
#define L2CAP_DEFAULT_MAX_PDU_SIZE 1492 /* Sized for AMP packet */
#define L2CAP_DEFAULT_ACK_TO 200
#define L2CAP_DEFAULT_MAX_SDU_SIZE 0xFFFF
#define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF
#define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF
#define L2CAP_BREDR_MAX_PAYLOAD 1019 /* 3-DH5 packet */
#define L2CAP_LE_MIN_MTU 23
#define L2CAP_ECRED_CONN_SCID_MAX 5
#define L2CAP_DISC_TIMEOUT msecs_to_jiffies(100)
#define L2CAP_DISC_REJ_TIMEOUT msecs_to_jiffies(5000)
#define L2CAP_ENC_TIMEOUT msecs_to_jiffies(5000)
#define L2CAP_CONN_TIMEOUT msecs_to_jiffies(40000)
#define L2CAP_INFO_TIMEOUT msecs_to_jiffies(4000)
#define L2CAP_MOVE_TIMEOUT msecs_to_jiffies(4000)
#define L2CAP_MOVE_ERTX_TIMEOUT msecs_to_jiffies(60000)
#define L2CAP_WAIT_ACK_POLL_PERIOD msecs_to_jiffies(200)
#define L2CAP_WAIT_ACK_TIMEOUT msecs_to_jiffies(10000)
/* L2CAP socket address */
struct sockaddr_l2 {
sa_family_t l2_family;
__le16 l2_psm;
bdaddr_t l2_bdaddr;
__le16 l2_cid;
__u8 l2_bdaddr_type;
};
/* L2CAP socket options */
#define L2CAP_OPTIONS 0x01
struct l2cap_options {
__u16 omtu;
__u16 imtu;
__u16 flush_to;
__u8 mode;
__u8 fcs;
__u8 max_tx;
__u16 txwin_size;
};
#define L2CAP_CONNINFO 0x02
struct l2cap_conninfo {
__u16 hci_handle;
__u8 dev_class[3];
};
#define L2CAP_LM 0x03
#define L2CAP_LM_MASTER 0x0001
#define L2CAP_LM_AUTH 0x0002
#define L2CAP_LM_ENCRYPT 0x0004
#define L2CAP_LM_TRUSTED 0x0008
#define L2CAP_LM_RELIABLE 0x0010
#define L2CAP_LM_SECURE 0x0020
#define L2CAP_LM_FIPS 0x0040
/* L2CAP command codes */
#define L2CAP_COMMAND_REJ 0x01
#define L2CAP_CONN_REQ 0x02
#define L2CAP_CONN_RSP 0x03
#define L2CAP_CONF_REQ 0x04
#define L2CAP_CONF_RSP 0x05
#define L2CAP_DISCONN_REQ 0x06
#define L2CAP_DISCONN_RSP 0x07
#define L2CAP_ECHO_REQ 0x08
#define L2CAP_ECHO_RSP 0x09
#define L2CAP_INFO_REQ 0x0a
#define L2CAP_INFO_RSP 0x0b
#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12
#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13
#define L2CAP_LE_CONN_REQ 0x14
#define L2CAP_LE_CONN_RSP 0x15
#define L2CAP_LE_CREDITS 0x16
#define L2CAP_ECRED_CONN_REQ 0x17
#define L2CAP_ECRED_CONN_RSP 0x18
#define L2CAP_ECRED_RECONF_REQ 0x19
#define L2CAP_ECRED_RECONF_RSP 0x1a
/* L2CAP extended feature mask */
#define L2CAP_FEAT_FLOWCTL 0x00000001
#define L2CAP_FEAT_RETRANS 0x00000002
#define L2CAP_FEAT_BIDIR_QOS 0x00000004
#define L2CAP_FEAT_ERTM 0x00000008
#define L2CAP_FEAT_STREAMING 0x00000010
#define L2CAP_FEAT_FCS 0x00000020
#define L2CAP_FEAT_EXT_FLOW 0x00000040
#define L2CAP_FEAT_FIXED_CHAN 0x00000080
#define L2CAP_FEAT_EXT_WINDOW 0x00000100
#define L2CAP_FEAT_UCD 0x00000200
/* L2CAP checksum option */
#define L2CAP_FCS_NONE 0x00
#define L2CAP_FCS_CRC16 0x01
/* L2CAP fixed channels */
#define L2CAP_FC_SIG_BREDR 0x02
#define L2CAP_FC_CONNLESS 0x04
#define L2CAP_FC_ATT 0x10
#define L2CAP_FC_SIG_LE 0x20
#define L2CAP_FC_SMP_LE 0x40
#define L2CAP_FC_SMP_BREDR 0x80
/* L2CAP Control Field bit masks */
#define L2CAP_CTRL_SAR 0xC000
#define L2CAP_CTRL_REQSEQ 0x3F00
#define L2CAP_CTRL_TXSEQ 0x007E
#define L2CAP_CTRL_SUPERVISE 0x000C
#define L2CAP_CTRL_RETRANS 0x0080
#define L2CAP_CTRL_FINAL 0x0080
#define L2CAP_CTRL_POLL 0x0010
#define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */
#define L2CAP_CTRL_TXSEQ_SHIFT 1
#define L2CAP_CTRL_SUPER_SHIFT 2
#define L2CAP_CTRL_POLL_SHIFT 4
#define L2CAP_CTRL_FINAL_SHIFT 7
#define L2CAP_CTRL_REQSEQ_SHIFT 8
#define L2CAP_CTRL_SAR_SHIFT 14
/* L2CAP Extended Control Field bit mask */
#define L2CAP_EXT_CTRL_TXSEQ 0xFFFC0000
#define L2CAP_EXT_CTRL_SAR 0x00030000
#define L2CAP_EXT_CTRL_SUPERVISE 0x00030000
#define L2CAP_EXT_CTRL_REQSEQ 0x0000FFFC
#define L2CAP_EXT_CTRL_POLL 0x00040000
#define L2CAP_EXT_CTRL_FINAL 0x00000002
#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */
#define L2CAP_EXT_CTRL_FINAL_SHIFT 1
#define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2
#define L2CAP_EXT_CTRL_SAR_SHIFT 16
#define L2CAP_EXT_CTRL_SUPER_SHIFT 16
#define L2CAP_EXT_CTRL_POLL_SHIFT 18
#define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18
/* L2CAP Supervisory Function */
#define L2CAP_SUPER_RR 0x00
#define L2CAP_SUPER_REJ 0x01
#define L2CAP_SUPER_RNR 0x02
#define L2CAP_SUPER_SREJ 0x03
/* L2CAP Segmentation and Reassembly */
#define L2CAP_SAR_UNSEGMENTED 0x00
#define L2CAP_SAR_START 0x01
#define L2CAP_SAR_END 0x02
#define L2CAP_SAR_CONTINUE 0x03
/* L2CAP Command rej. reasons */
#define L2CAP_REJ_NOT_UNDERSTOOD 0x0000
#define L2CAP_REJ_MTU_EXCEEDED 0x0001
#define L2CAP_REJ_INVALID_CID 0x0002
/* L2CAP structures */
struct l2cap_hdr {
__le16 len;
__le16 cid;
} __packed;
#define L2CAP_LEN_SIZE 2
#define L2CAP_HDR_SIZE 4
#define L2CAP_ENH_HDR_SIZE 6
#define L2CAP_EXT_HDR_SIZE 8
#define L2CAP_FCS_SIZE 2
#define L2CAP_SDULEN_SIZE 2
#define L2CAP_PSMLEN_SIZE 2
#define L2CAP_ENH_CTRL_SIZE 2
#define L2CAP_EXT_CTRL_SIZE 4
struct l2cap_cmd_hdr {
__u8 code;
__u8 ident;
__le16 len;
} __packed;
#define L2CAP_CMD_HDR_SIZE 4
struct l2cap_cmd_rej_unk {
__le16 reason;
} __packed;
struct l2cap_cmd_rej_mtu {
__le16 reason;
__le16 max_mtu;
} __packed;
struct l2cap_cmd_rej_cid {
__le16 reason;
__le16 scid;
__le16 dcid;
} __packed;
struct l2cap_conn_req {
__le16 psm;
__le16 scid;
} __packed;
struct l2cap_conn_rsp {
__le16 dcid;
__le16 scid;
__le16 result;
__le16 status;
} __packed;
/* protocol/service multiplexer (PSM) */
#define L2CAP_PSM_SDP 0x0001
#define L2CAP_PSM_RFCOMM 0x0003
#define L2CAP_PSM_3DSP 0x0021
#define L2CAP_PSM_IPSP 0x0023 /* 6LoWPAN */
#define L2CAP_PSM_DYN_START 0x1001
#define L2CAP_PSM_DYN_END 0xffff
#define L2CAP_PSM_AUTO_END 0x10ff
#define L2CAP_PSM_LE_DYN_START 0x0080
#define L2CAP_PSM_LE_DYN_END 0x00ff
/* channel identifier */
#define L2CAP_CID_SIGNALING 0x0001
#define L2CAP_CID_CONN_LESS 0x0002
#define L2CAP_CID_ATT 0x0004
#define L2CAP_CID_LE_SIGNALING 0x0005
#define L2CAP_CID_SMP 0x0006
#define L2CAP_CID_SMP_BREDR 0x0007
#define L2CAP_CID_DYN_START 0x0040
#define L2CAP_CID_DYN_END 0xffff
#define L2CAP_CID_LE_DYN_END 0x007f
/* connect/create channel results */
#define L2CAP_CR_SUCCESS 0x0000
#define L2CAP_CR_PEND 0x0001
#define L2CAP_CR_BAD_PSM 0x0002
#define L2CAP_CR_SEC_BLOCK 0x0003
#define L2CAP_CR_NO_MEM 0x0004
#define L2CAP_CR_INVALID_SCID 0x0006
#define L2CAP_CR_SCID_IN_USE 0x0007
/* credit based connect results */
#define L2CAP_CR_LE_SUCCESS 0x0000
#define L2CAP_CR_LE_BAD_PSM 0x0002
#define L2CAP_CR_LE_NO_MEM 0x0004
#define L2CAP_CR_LE_AUTHENTICATION 0x0005
#define L2CAP_CR_LE_AUTHORIZATION 0x0006
#define L2CAP_CR_LE_BAD_KEY_SIZE 0x0007
#define L2CAP_CR_LE_ENCRYPTION 0x0008
#define L2CAP_CR_LE_INVALID_SCID 0x0009
#define L2CAP_CR_LE_SCID_IN_USE 0x000A
#define L2CAP_CR_LE_UNACCEPT_PARAMS 0x000B
#define L2CAP_CR_LE_INVALID_PARAMS 0x000C
/* connect/create channel status */
#define L2CAP_CS_NO_INFO 0x0000
#define L2CAP_CS_AUTHEN_PEND 0x0001
#define L2CAP_CS_AUTHOR_PEND 0x0002
struct l2cap_conf_req {
__le16 dcid;
__le16 flags;
__u8 data[];
} __packed;
struct l2cap_conf_rsp {
__le16 scid;
__le16 flags;
__le16 result;
__u8 data[];
} __packed;
#define L2CAP_CONF_SUCCESS 0x0000
#define L2CAP_CONF_UNACCEPT 0x0001
#define L2CAP_CONF_REJECT 0x0002
#define L2CAP_CONF_UNKNOWN 0x0003
#define L2CAP_CONF_PENDING 0x0004
#define L2CAP_CONF_EFS_REJECT 0x0005
/* configuration req/rsp continuation flag */
#define L2CAP_CONF_FLAG_CONTINUATION 0x0001
struct l2cap_conf_opt {
__u8 type;
__u8 len;
__u8 val[];
} __packed;
#define L2CAP_CONF_OPT_SIZE 2
#define L2CAP_CONF_HINT 0x80
#define L2CAP_CONF_MASK 0x7f
#define L2CAP_CONF_MTU 0x01
#define L2CAP_CONF_FLUSH_TO 0x02
#define L2CAP_CONF_QOS 0x03
#define L2CAP_CONF_RFC 0x04
#define L2CAP_CONF_FCS 0x05
#define L2CAP_CONF_EFS 0x06
#define L2CAP_CONF_EWS 0x07
#define L2CAP_CONF_MAX_SIZE 22
struct l2cap_conf_rfc {
__u8 mode;
__u8 txwin_size;
__u8 max_transmit;
__le16 retrans_timeout;
__le16 monitor_timeout;
__le16 max_pdu_size;
} __packed;
#define L2CAP_MODE_BASIC 0x00
#define L2CAP_MODE_RETRANS 0x01
#define L2CAP_MODE_FLOWCTL 0x02
#define L2CAP_MODE_ERTM 0x03
#define L2CAP_MODE_STREAMING 0x04
/* Unlike the above this one doesn't actually map to anything that would
* ever be sent over the air. Therefore, use a value that's unlikely to
* ever be used in the BR/EDR configuration phase.
*/
#define L2CAP_MODE_LE_FLOWCTL 0x80
#define L2CAP_MODE_EXT_FLOWCTL 0x81
struct l2cap_conf_efs {
__u8 id;
__u8 stype;
__le16 msdu;
__le32 sdu_itime;
__le32 acc_lat;
__le32 flush_to;
} __packed;
#define L2CAP_SERV_NOTRAFIC 0x00
#define L2CAP_SERV_BESTEFFORT 0x01
#define L2CAP_SERV_GUARANTEED 0x02
#define L2CAP_BESTEFFORT_ID 0x01
struct l2cap_disconn_req {
__le16 dcid;
__le16 scid;
} __packed;
struct l2cap_disconn_rsp {
__le16 dcid;
__le16 scid;
} __packed;
struct l2cap_info_req {
__le16 type;
} __packed;
struct l2cap_info_rsp {
__le16 type;
__le16 result;
__u8 data[];
} __packed;
#define L2CAP_MR_SUCCESS 0x0000
#define L2CAP_MR_PEND 0x0001
#define L2CAP_MR_BAD_ID 0x0002
#define L2CAP_MR_SAME_ID 0x0003
#define L2CAP_MR_NOT_SUPP 0x0004
#define L2CAP_MR_COLLISION 0x0005
#define L2CAP_MR_NOT_ALLOWED 0x0006
struct l2cap_move_chan_cfm {
__le16 icid;
__le16 result;
} __packed;
#define L2CAP_MC_CONFIRMED 0x0000
#define L2CAP_MC_UNCONFIRMED 0x0001
struct l2cap_move_chan_cfm_rsp {
__le16 icid;
} __packed;
/* info type */
#define L2CAP_IT_CL_MTU 0x0001
#define L2CAP_IT_FEAT_MASK 0x0002
#define L2CAP_IT_FIXED_CHAN 0x0003
/* info result */
#define L2CAP_IR_SUCCESS 0x0000
#define L2CAP_IR_NOTSUPP 0x0001
struct l2cap_conn_param_update_req {
__le16 min;
__le16 max;
__le16 latency;
__le16 to_multiplier;
} __packed;
struct l2cap_conn_param_update_rsp {
__le16 result;
} __packed;
/* Connection Parameters result */
#define L2CAP_CONN_PARAM_ACCEPTED 0x0000
#define L2CAP_CONN_PARAM_REJECTED 0x0001
struct l2cap_le_conn_req {
__le16 psm;
__le16 scid;
__le16 mtu;
__le16 mps;
__le16 credits;
} __packed;
struct l2cap_le_conn_rsp {
__le16 dcid;
__le16 mtu;
__le16 mps;
__le16 credits;
__le16 result;
} __packed;
struct l2cap_le_credits {
__le16 cid;
__le16 credits;
} __packed;
#define L2CAP_ECRED_MIN_MTU 64
#define L2CAP_ECRED_MIN_MPS 64
#define L2CAP_ECRED_MAX_CID 5
struct l2cap_ecred_conn_req {
/* New members must be added within the struct_group() macro below. */
__struct_group(l2cap_ecred_conn_req_hdr, hdr, __packed,
__le16 psm;
__le16 mtu;
__le16 mps;
__le16 credits;
);
__le16 scid[];
} __packed;
struct l2cap_ecred_conn_rsp {
/* New members must be added within the struct_group() macro below. */
struct_group_tagged(l2cap_ecred_conn_rsp_hdr, hdr,
__le16 mtu;
__le16 mps;
__le16 credits;
__le16 result;
);
__le16 dcid[];
};
struct l2cap_ecred_reconf_req {
__le16 mtu;
__le16 mps;
__le16 scid[];
} __packed;
#define L2CAP_RECONF_SUCCESS 0x0000
#define L2CAP_RECONF_INVALID_MTU 0x0001
#define L2CAP_RECONF_INVALID_MPS 0x0002
#define L2CAP_RECONF_INVALID_CID 0x0003
#define L2CAP_RECONF_INVALID_PARAMS 0x0004
struct l2cap_ecred_reconf_rsp {
__le16 result;
} __packed;
/* ----- L2CAP channels and connections ----- */
struct l2cap_seq_list {
__u16 head;
__u16 tail;
__u16 mask;
__u16 *list;
};
#define L2CAP_SEQ_LIST_CLEAR 0xFFFF
#define L2CAP_SEQ_LIST_TAIL 0x8000
struct l2cap_chan {
struct l2cap_conn *conn;
struct kref kref;
atomic_t nesting;
__u8 state;
bdaddr_t dst;
__u8 dst_type;
bdaddr_t src;
__u8 src_type;
__le16 psm;
__le16 sport;
__u16 dcid;
__u16 scid;
__u16 imtu;
__u16 omtu;
__u16 flush_to;
__u8 mode;
__u8 chan_type;
__u8 chan_policy;
__u8 sec_level;
__u8 ident;
__u8 conf_req[64];
__u8 conf_len;
__u8 num_conf_req;
__u8 num_conf_rsp;
__u8 fcs;
__u16 tx_win;
__u16 tx_win_max;
__u16 ack_win;
__u8 max_tx;
__u16 retrans_timeout;
__u16 monitor_timeout;
__u16 mps;
__u16 tx_credits;
__u16 rx_credits;
/* estimated available receive buffer space or -1 if unknown */
ssize_t rx_avail;
__u8 tx_state;
__u8 rx_state;
unsigned long conf_state;
unsigned long conn_state;
unsigned long flags;
__u16 next_tx_seq;
__u16 expected_ack_seq;
__u16 expected_tx_seq;
__u16 buffer_seq;
__u16 srej_save_reqseq;
__u16 last_acked_seq;
__u16 frames_sent;
__u16 unacked_frames;
__u8 retry_count;
__u16 sdu_len;
struct sk_buff *sdu;
struct sk_buff *sdu_last_frag;
__u16 remote_tx_win;
__u8 remote_max_tx;
__u16 remote_mps;
__u8 local_id;
__u8 local_stype;
__u16 local_msdu;
__u32 local_sdu_itime;
__u32 local_acc_lat;
__u32 local_flush_to;
__u8 remote_id;
__u8 remote_stype;
__u16 remote_msdu;
__u32 remote_sdu_itime;
__u32 remote_acc_lat;
__u32 remote_flush_to;
struct delayed_work chan_timer;
struct delayed_work retrans_timer;
struct delayed_work monitor_timer;
struct delayed_work ack_timer;
struct sk_buff *tx_send_head;
struct sk_buff_head tx_q;
struct sk_buff_head srej_q;
struct l2cap_seq_list srej_list;
struct l2cap_seq_list retrans_list;
struct list_head list;
struct list_head global_l;
void *data;
const struct l2cap_ops *ops;
struct mutex lock;
};
struct l2cap_ops {
char *name;
int (*new_connection)(struct l2cap_chan *chan,
struct l2cap_chan *new_chan);
int (*recv) (struct l2cap_chan * chan,
struct sk_buff *skb);
void (*teardown) (struct l2cap_chan *chan, int err);
void (*close) (struct l2cap_chan *chan);
void (*state_change) (struct l2cap_chan *chan,
int state, int err);
void (*ready) (struct l2cap_chan *chan);
void (*defer) (struct l2cap_chan *chan);
void (*resume) (struct l2cap_chan *chan);
void (*suspend) (struct l2cap_chan *chan);
void (*set_shutdown) (struct l2cap_chan *chan);
long (*get_sndtimeo) (struct l2cap_chan *chan);
struct pid *(*get_peer_pid) (struct l2cap_chan *chan);
struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
unsigned long hdr_len,
unsigned long len, int nb);
int (*filter) (struct l2cap_chan * chan,
struct sk_buff *skb);
};
struct l2cap_conn {
struct hci_conn *hcon;
struct hci_chan *hchan;
unsigned int mtu;
__u32 feat_mask;
__u8 remote_fixed_chan;
__u8 local_fixed_chan;
__u8 info_state;
__u8 info_ident;
struct delayed_work info_timer;
struct sk_buff *rx_skb;
__u32 rx_len;
struct ida tx_ida;
__u8 tx_ident;
struct sk_buff_head pending_rx;
struct work_struct pending_rx_work;
struct delayed_work id_addr_timer;
__u8 disc_reason;
struct l2cap_chan *smp;
struct list_head chan_l;
struct mutex lock;
struct kref ref;
struct list_head users;
};
struct l2cap_user {
struct list_head list;
int (*probe) (struct l2cap_conn *conn, struct l2cap_user *user);
void (*remove) (struct l2cap_conn *conn, struct l2cap_user *user);
};
#define L2CAP_INFO_CL_MTU_REQ_SENT 0x01
#define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04
#define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08
#define L2CAP_CHAN_RAW 1
#define L2CAP_CHAN_CONN_LESS 2
#define L2CAP_CHAN_CONN_ORIENTED 3
#define L2CAP_CHAN_FIXED 4
/* ----- L2CAP socket info ----- */
#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
struct l2cap_rx_busy {
struct list_head list;
struct sk_buff *skb;
};
struct l2cap_pinfo {
struct bt_sock bt;
struct l2cap_chan *chan;
struct list_head rx_busy;
};
enum {
CONF_REQ_SENT,
CONF_INPUT_DONE,
CONF_OUTPUT_DONE,
CONF_MTU_DONE,
CONF_MODE_DONE,
CONF_CONNECT_PEND,
CONF_RECV_NO_FCS,
CONF_STATE2_DEVICE,
CONF_EWS_RECV,
CONF_LOC_CONF_PEND,
CONF_REM_CONF_PEND,
CONF_NOT_COMPLETE,
};
#define L2CAP_CONF_MAX_CONF_REQ 2
#define L2CAP_CONF_MAX_CONF_RSP 2
enum {
CONN_SREJ_SENT,
CONN_WAIT_F,
CONN_SREJ_ACT,
CONN_SEND_PBIT,
CONN_REMOTE_BUSY,
CONN_LOCAL_BUSY,
CONN_REJ_ACT,
CONN_SEND_FBIT,
CONN_RNR_SENT,
};
/* Definitions for flags in l2cap_chan */
enum {
FLAG_ROLE_SWITCH,
FLAG_FORCE_ACTIVE,
FLAG_FORCE_RELIABLE,
FLAG_FLUSHABLE,
FLAG_EXT_CTRL,
FLAG_EFS_ENABLE,
FLAG_DEFER_SETUP,
FLAG_LE_CONN_REQ_SENT,
FLAG_ECRED_CONN_REQ_SENT,
FLAG_PENDING_SECURITY,
FLAG_HOLD_HCI_CONN,
FLAG_DEL,
};
/* Lock nesting levels for L2CAP channels. We need these because lockdep
* otherwise considers all channels equal and will e.g. complain about a
* connection oriented channel triggering SMP procedures or a listening
* channel creating and locking a child channel.
*/
enum {
L2CAP_NESTING_SMP,
L2CAP_NESTING_NORMAL,
L2CAP_NESTING_PARENT,
};
enum {
L2CAP_TX_STATE_XMIT,
L2CAP_TX_STATE_WAIT_F,
};
enum {
L2CAP_RX_STATE_RECV,
L2CAP_RX_STATE_SREJ_SENT,
L2CAP_RX_STATE_MOVE,
L2CAP_RX_STATE_WAIT_P,
L2CAP_RX_STATE_WAIT_F,
};
enum {
L2CAP_TXSEQ_EXPECTED,
L2CAP_TXSEQ_EXPECTED_SREJ,
L2CAP_TXSEQ_UNEXPECTED,
L2CAP_TXSEQ_UNEXPECTED_SREJ,
L2CAP_TXSEQ_DUPLICATE,
L2CAP_TXSEQ_DUPLICATE_SREJ,
L2CAP_TXSEQ_INVALID,
L2CAP_TXSEQ_INVALID_IGNORE,
};
enum {
L2CAP_EV_DATA_REQUEST,
L2CAP_EV_LOCAL_BUSY_DETECTED,
L2CAP_EV_LOCAL_BUSY_CLEAR,
L2CAP_EV_RECV_REQSEQ_AND_FBIT,
L2CAP_EV_RECV_FBIT,
L2CAP_EV_RETRANS_TO,
L2CAP_EV_MONITOR_TO,
L2CAP_EV_EXPLICIT_POLL,
L2CAP_EV_RECV_IFRAME,
L2CAP_EV_RECV_RR,
L2CAP_EV_RECV_REJ,
L2CAP_EV_RECV_RNR,
L2CAP_EV_RECV_SREJ,
L2CAP_EV_RECV_FRAME,
};
enum {
L2CAP_MOVE_ROLE_NONE,
L2CAP_MOVE_ROLE_INITIATOR,
L2CAP_MOVE_ROLE_RESPONDER,
};
enum {
L2CAP_MOVE_STABLE,
L2CAP_MOVE_WAIT_REQ,
L2CAP_MOVE_WAIT_RSP,
L2CAP_MOVE_WAIT_RSP_SUCCESS,
L2CAP_MOVE_WAIT_CONFIRM,
L2CAP_MOVE_WAIT_CONFIRM_RSP,
L2CAP_MOVE_WAIT_LOGICAL_COMP,
L2CAP_MOVE_WAIT_LOGICAL_CFM,
L2CAP_MOVE_WAIT_LOCAL_BUSY,
L2CAP_MOVE_WAIT_PREPARE,
};
void l2cap_chan_hold(struct l2cap_chan *c);
struct l2cap_chan *l2cap_chan_hold_unless_zero(struct l2cap_chan *c);
void l2cap_chan_put(struct l2cap_chan *c);
static inline void l2cap_chan_lock(struct l2cap_chan *chan)
{
mutex_lock_nested(&chan->lock, atomic_read(&chan->nesting));
}
static inline void l2cap_chan_unlock(struct l2cap_chan *chan)
{
mutex_unlock(&chan->lock);
}
static inline void l2cap_set_timer(struct l2cap_chan *chan,
struct delayed_work *work, long timeout)
{
BT_DBG("chan %p state %s timeout %ld", chan,
state_to_string(chan->state), timeout);
/* If delayed work cancelled do not hold(chan)
since it is already done with previous set_timer */
if (!cancel_delayed_work(work))
l2cap_chan_hold(chan);
schedule_delayed_work(work, timeout);
}
static inline bool l2cap_clear_timer(struct l2cap_chan *chan,
struct delayed_work *work)
{
bool ret;
/* put(chan) if delayed work cancelled otherwise it
is done in delayed work function */
ret = cancel_delayed_work(work);
if (ret)
l2cap_chan_put(chan);
return ret;
}
#define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))
#define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer)
#define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer)
#define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer)
#define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \
msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO));
#define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer)
static inline int __seq_offset(struct l2cap_chan *chan, __u16 seq1, __u16 seq2)
{
if (seq1 >= seq2)
return seq1 - seq2;
else
return chan->tx_win_max + 1 - seq2 + seq1;
}
static inline __u16 __next_seq(struct l2cap_chan *chan, __u16 seq)
{
return (seq + 1) % (chan->tx_win_max + 1);
}
static inline int l2cap_chan_no_new_connection(struct l2cap_chan *chan,
struct l2cap_chan *new_chan)
{
return -EOPNOTSUPP;
}
static inline int l2cap_chan_no_recv(struct l2cap_chan *chan, struct sk_buff *skb)
{
return -ENOSYS;
}
static inline struct sk_buff *l2cap_chan_no_alloc_skb(struct l2cap_chan *chan,
unsigned long hdr_len,
unsigned long len, int nb)
{
return ERR_PTR(-ENOSYS);
}
static inline void l2cap_chan_no_teardown(struct l2cap_chan *chan, int err)
{
}
static inline void l2cap_chan_no_close(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_ready(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_state_change(struct l2cap_chan *chan,
int state, int err)
{
}
static inline void l2cap_chan_no_defer(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_suspend(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_resume(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_set_shutdown(struct l2cap_chan *chan)
{
}
static inline long l2cap_chan_no_get_sndtimeo(struct l2cap_chan *chan)
{
return 0;
}
extern bool disable_ertm;
extern bool enable_ecred;
int l2cap_init_sockets(void);
void l2cap_cleanup_sockets(void);
bool l2cap_is_socket(struct socket *sock);
void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan);
void __l2cap_ecred_conn_rsp_defer(struct l2cap_chan *chan);
void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid);
struct l2cap_chan *l2cap_chan_create(void);
void l2cap_chan_close(struct l2cap_chan *chan, int reason);
int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
bdaddr_t *dst, u8 dst_type, u16 timeout);
int l2cap_chan_reconfigure(struct l2cap_chan *chan, __u16 mtu);
int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
const struct sockcm_cookie *sockc);
void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
void l2cap_chan_rx_avail(struct l2cap_chan *chan, ssize_t rx_avail);
int l2cap_chan_check_security(struct l2cap_chan *chan, bool initiator);
void l2cap_chan_set_defaults(struct l2cap_chan *chan, struct l2cap_chan *pchan);
int l2cap_ertm_init(struct l2cap_chan *chan);
void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan);
void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan);
typedef void (*l2cap_chan_func_t)(struct l2cap_chan *chan, void *data);
void l2cap_chan_list(struct l2cap_conn *conn, l2cap_chan_func_t func,
void *data);
void l2cap_chan_del(struct l2cap_chan *chan, int err);
void l2cap_send_conn_req(struct l2cap_chan *chan);
struct l2cap_conn *l2cap_conn_get(struct l2cap_conn *conn);
struct l2cap_conn *l2cap_conn_hold_unless_zero(struct l2cap_conn *conn);
void l2cap_conn_put(struct l2cap_conn *conn);
int l2cap_register_user(struct l2cap_conn *conn, struct l2cap_user *user);
void l2cap_unregister_user(struct l2cap_conn *conn, struct l2cap_user *user);
#endif /* __L2CAP_H */
linux-7.2.3/include/net/bluetooth/mgmt.h
+1194
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linux-7.2.3/include/net/bluetooth/rfcomm.h
+375
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@@ -0,0 +1,375 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
RFCOMM implementation for Linux Bluetooth stack (BlueZ)
Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org>
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.
*/
#include <linux/refcount.h>
#ifndef __RFCOMM_H
#define __RFCOMM_H
#define RFCOMM_CONN_TIMEOUT (HZ * 30)
#define RFCOMM_DISC_TIMEOUT (HZ * 20)
#define RFCOMM_AUTH_TIMEOUT (HZ * 25)
#define RFCOMM_IDLE_TIMEOUT (HZ * 2)
#define RFCOMM_DEFAULT_MTU 127
#define RFCOMM_DEFAULT_CREDITS 7
#define RFCOMM_MAX_CREDITS 40
#define RFCOMM_SKB_HEAD_RESERVE 8
#define RFCOMM_SKB_TAIL_RESERVE 2
#define RFCOMM_SKB_RESERVE (RFCOMM_SKB_HEAD_RESERVE + RFCOMM_SKB_TAIL_RESERVE)
#define RFCOMM_SABM 0x2f
#define RFCOMM_DISC 0x43
#define RFCOMM_UA 0x63
#define RFCOMM_DM 0x0f
#define RFCOMM_UIH 0xef
#define RFCOMM_TEST 0x08
#define RFCOMM_FCON 0x28
#define RFCOMM_FCOFF 0x18
#define RFCOMM_MSC 0x38
#define RFCOMM_RPN 0x24
#define RFCOMM_RLS 0x14
#define RFCOMM_PN 0x20
#define RFCOMM_NSC 0x04
#define RFCOMM_V24_FC 0x02
#define RFCOMM_V24_RTC 0x04
#define RFCOMM_V24_RTR 0x08
#define RFCOMM_V24_IC 0x40
#define RFCOMM_V24_DV 0x80
#define RFCOMM_RPN_BR_2400 0x0
#define RFCOMM_RPN_BR_4800 0x1
#define RFCOMM_RPN_BR_7200 0x2
#define RFCOMM_RPN_BR_9600 0x3
#define RFCOMM_RPN_BR_19200 0x4
#define RFCOMM_RPN_BR_38400 0x5
#define RFCOMM_RPN_BR_57600 0x6
#define RFCOMM_RPN_BR_115200 0x7
#define RFCOMM_RPN_BR_230400 0x8
#define RFCOMM_RPN_DATA_5 0x0
#define RFCOMM_RPN_DATA_6 0x1
#define RFCOMM_RPN_DATA_7 0x2
#define RFCOMM_RPN_DATA_8 0x3
#define RFCOMM_RPN_STOP_1 0
#define RFCOMM_RPN_STOP_15 1
#define RFCOMM_RPN_PARITY_NONE 0x0
#define RFCOMM_RPN_PARITY_ODD 0x1
#define RFCOMM_RPN_PARITY_EVEN 0x3
#define RFCOMM_RPN_PARITY_MARK 0x5
#define RFCOMM_RPN_PARITY_SPACE 0x7
#define RFCOMM_RPN_FLOW_NONE 0x00
#define RFCOMM_RPN_XON_CHAR 0x11
#define RFCOMM_RPN_XOFF_CHAR 0x13
#define RFCOMM_RPN_PM_BITRATE 0x0001
#define RFCOMM_RPN_PM_DATA 0x0002
#define RFCOMM_RPN_PM_STOP 0x0004
#define RFCOMM_RPN_PM_PARITY 0x0008
#define RFCOMM_RPN_PM_PARITY_TYPE 0x0010
#define RFCOMM_RPN_PM_XON 0x0020
#define RFCOMM_RPN_PM_XOFF 0x0040
#define RFCOMM_RPN_PM_FLOW 0x3F00
#define RFCOMM_RPN_PM_ALL 0x3F7F
struct rfcomm_hdr {
u8 addr;
u8 ctrl;
u8 len; /* Actual size can be 2 bytes */
} __packed;
struct rfcomm_cmd {
u8 addr;
u8 ctrl;
u8 len;
u8 fcs;
} __packed;
struct rfcomm_mcc {
u8 type;
u8 len;
} __packed;
struct rfcomm_pn {
u8 dlci;
u8 flow_ctrl;
u8 priority;
u8 ack_timer;
__le16 mtu;
u8 max_retrans;
u8 credits;
} __packed;
struct rfcomm_rpn {
u8 dlci;
u8 bit_rate;
u8 line_settings;
u8 flow_ctrl;
u8 xon_char;
u8 xoff_char;
__le16 param_mask;
} __packed;
struct rfcomm_rls {
u8 dlci;
u8 status;
} __packed;
struct rfcomm_msc {
u8 dlci;
u8 v24_sig;
} __packed;
/* ---- Core structures, flags etc ---- */
struct rfcomm_session {
struct list_head list;
struct socket *sock;
struct timer_list timer;
unsigned long state;
unsigned long flags;
int initiator;
/* Default DLC parameters */
int cfc;
uint mtu;
struct list_head dlcs;
};
struct rfcomm_dlc {
struct list_head list;
struct rfcomm_session *session;
struct sk_buff_head tx_queue;
struct timer_list timer;
struct mutex lock;
unsigned long state;
unsigned long flags;
refcount_t refcnt;
u8 dlci;
u8 addr;
u8 priority;
u8 v24_sig;
u8 remote_v24_sig;
u8 mscex;
u8 out;
u8 sec_level;
u8 role_switch;
u32 defer_setup;
uint mtu;
uint cfc;
uint rx_credits;
uint tx_credits;
void *owner;
void (*data_ready)(struct rfcomm_dlc *d, struct sk_buff *skb);
void (*state_change)(struct rfcomm_dlc *d, int err);
void (*modem_status)(struct rfcomm_dlc *d, u8 v24_sig);
};
/* DLC and session flags */
#define RFCOMM_RX_THROTTLED 0
#define RFCOMM_TX_THROTTLED 1
#define RFCOMM_TIMED_OUT 2
#define RFCOMM_MSC_PENDING 3
#define RFCOMM_SEC_PENDING 4
#define RFCOMM_AUTH_PENDING 5
#define RFCOMM_AUTH_ACCEPT 6
#define RFCOMM_AUTH_REJECT 7
#define RFCOMM_DEFER_SETUP 8
#define RFCOMM_ENC_DROP 9
/* Scheduling flags and events */
#define RFCOMM_SCHED_WAKEUP 31
/* MSC exchange flags */
#define RFCOMM_MSCEX_TX 1
#define RFCOMM_MSCEX_RX 2
#define RFCOMM_MSCEX_OK (RFCOMM_MSCEX_TX + RFCOMM_MSCEX_RX)
/* CFC states */
#define RFCOMM_CFC_UNKNOWN -1
#define RFCOMM_CFC_DISABLED 0
#define RFCOMM_CFC_ENABLED RFCOMM_MAX_CREDITS
/* ---- RFCOMM SEND RPN ---- */
int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci,
u8 bit_rate, u8 data_bits, u8 stop_bits,
u8 parity, u8 flow_ctrl_settings,
u8 xon_char, u8 xoff_char, u16 param_mask);
int rfcomm_dlc_send_rpn(struct rfcomm_dlc *d, u8 bit_rate, u8 data_bits,
u8 stop_bits, u8 parity, u8 flow_ctrl_settings,
u8 xon_char, u8 xoff_char, u16 param_mask);
/* ---- RFCOMM DLCs (channels) ---- */
struct rfcomm_dlc *rfcomm_dlc_alloc(gfp_t prio);
void rfcomm_dlc_free(struct rfcomm_dlc *d);
int rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst,
u8 channel);
int rfcomm_dlc_close(struct rfcomm_dlc *d, int reason);
int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb);
void rfcomm_dlc_send_noerror(struct rfcomm_dlc *d, struct sk_buff *skb);
int rfcomm_dlc_set_modem_status(struct rfcomm_dlc *d, u8 v24_sig);
int rfcomm_dlc_get_modem_status(struct rfcomm_dlc *d, u8 *v24_sig);
void rfcomm_dlc_accept(struct rfcomm_dlc *d);
struct rfcomm_dlc *rfcomm_dlc_exists(bdaddr_t *src, bdaddr_t *dst, u8 channel);
#define rfcomm_dlc_lock(d) mutex_lock(&d->lock)
#define rfcomm_dlc_unlock(d) mutex_unlock(&d->lock)
static inline void rfcomm_dlc_hold(struct rfcomm_dlc *d)
{
refcount_inc(&d->refcnt);
}
static inline void rfcomm_dlc_put(struct rfcomm_dlc *d)
{
if (refcount_dec_and_test(&d->refcnt))
rfcomm_dlc_free(d);
}
void __rfcomm_dlc_throttle(struct rfcomm_dlc *d);
void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d);
static inline void rfcomm_dlc_throttle(struct rfcomm_dlc *d)
{
if (!test_and_set_bit(RFCOMM_RX_THROTTLED, &d->flags))
__rfcomm_dlc_throttle(d);
}
static inline void rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
{
if (test_and_clear_bit(RFCOMM_RX_THROTTLED, &d->flags))
__rfcomm_dlc_unthrottle(d);
}
/* ---- RFCOMM sessions ---- */
void rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src,
bdaddr_t *dst);
/* ---- RFCOMM sockets ---- */
struct sockaddr_rc {
sa_family_t rc_family;
bdaddr_t rc_bdaddr;
u8 rc_channel;
};
#define RFCOMM_CONNINFO 0x02
struct rfcomm_conninfo {
__u16 hci_handle;
__u8 dev_class[3];
};
#define RFCOMM_LM 0x03
#define RFCOMM_LM_MASTER 0x0001
#define RFCOMM_LM_AUTH 0x0002
#define RFCOMM_LM_ENCRYPT 0x0004
#define RFCOMM_LM_TRUSTED 0x0008
#define RFCOMM_LM_RELIABLE 0x0010
#define RFCOMM_LM_SECURE 0x0020
#define RFCOMM_LM_FIPS 0x0040
#define rfcomm_pi(sk) ((struct rfcomm_pinfo *) sk)
struct rfcomm_pinfo {
struct bt_sock bt;
bdaddr_t src;
bdaddr_t dst;
struct rfcomm_dlc *dlc;
u8 channel;
u8 sec_level;
u8 role_switch;
};
int rfcomm_init_sockets(void);
void rfcomm_cleanup_sockets(void);
int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel,
struct rfcomm_dlc **d);
/* ---- RFCOMM TTY ---- */
#define RFCOMM_MAX_DEV 256
#define RFCOMMCREATEDEV _IOW('R', 200, int)
#define RFCOMMRELEASEDEV _IOW('R', 201, int)
#define RFCOMMGETDEVLIST _IOR('R', 210, int)
#define RFCOMMGETDEVINFO _IOR('R', 211, int)
#define RFCOMMSTEALDLC _IOW('R', 220, int)
/* rfcomm_dev.flags bit definitions */
#define RFCOMM_REUSE_DLC 0
#define RFCOMM_RELEASE_ONHUP 1
#define RFCOMM_HANGUP_NOW 2
#define RFCOMM_TTY_ATTACHED 3
#define RFCOMM_DEFUNCT_BIT4 4 /* don't reuse this bit - userspace visible */
/* rfcomm_dev.status bit definitions */
#define RFCOMM_DEV_RELEASED 0
#define RFCOMM_TTY_OWNED 1
struct rfcomm_dev_req {
s16 dev_id;
u32 flags;
bdaddr_t src;
bdaddr_t dst;
u8 channel;
};
struct rfcomm_dev_info {
s16 id;
u32 flags;
u16 state;
bdaddr_t src;
bdaddr_t dst;
u8 channel;
};
struct rfcomm_dev_list_req {
u16 dev_num;
struct rfcomm_dev_info dev_info[] __counted_by(dev_num);
};
int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
#ifdef CONFIG_BT_RFCOMM_TTY
int rfcomm_init_ttys(void);
void rfcomm_cleanup_ttys(void);
#else
static inline int rfcomm_init_ttys(void)
{
return 0;
}
static inline void rfcomm_cleanup_ttys(void)
{
}
#endif
#endif /* __RFCOMM_H */
linux-7.2.3/include/net/bluetooth/sco.h
+46
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@@ -0,0 +1,46 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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 __SCO_H
#define __SCO_H
/* SCO defaults */
#define SCO_DEFAULT_MTU 500
/* SCO socket address */
struct sockaddr_sco {
sa_family_t sco_family;
bdaddr_t sco_bdaddr;
};
/* SCO socket options */
#define SCO_OPTIONS 0x01
struct sco_options {
__u16 mtu;
};
#define SCO_CONNINFO 0x02
struct sco_conninfo {
__u16 hci_handle;
__u8 dev_class[3];
};
#endif /* __SCO_H */