/* 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 4struct 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 9struct 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 11struct 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;Lines 1–500 of 682. 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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;