Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | BlueZ - Bluetooth protocol stack for Linux |
| 3 | Copyright (C) 2000-2001 Qualcomm Incorporated |
| 4 | |
| 5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License version 2 as |
| 9 | published by the Free Software Foundation; |
| 10 | |
| 11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
| 14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
| 15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
| 16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 19 | |
| 20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| 21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
| 22 | SOFTWARE IS DISCLAIMED. |
| 23 | */ |
| 24 | |
| 25 | #ifndef __BLUETOOTH_H |
| 26 | #define __BLUETOOTH_H |
| 27 | |
| 28 | #include <asm/types.h> |
| 29 | #include <asm/byteorder.h> |
| 30 | #include <linux/list.h> |
| 31 | #include <linux/poll.h> |
| 32 | #include <net/sock.h> |
| 33 | |
| 34 | #ifndef AF_BLUETOOTH |
| 35 | #define AF_BLUETOOTH 31 |
| 36 | #define PF_BLUETOOTH AF_BLUETOOTH |
| 37 | #endif |
| 38 | |
| 39 | /* Reserv for core and drivers use */ |
| 40 | #define BT_SKB_RESERVE 8 |
| 41 | |
| 42 | #define BTPROTO_L2CAP 0 |
| 43 | #define BTPROTO_HCI 1 |
| 44 | #define BTPROTO_SCO 2 |
| 45 | #define BTPROTO_RFCOMM 3 |
| 46 | #define BTPROTO_BNEP 4 |
| 47 | #define BTPROTO_CMTP 5 |
| 48 | #define BTPROTO_HIDP 6 |
| 49 | #define BTPROTO_AVDTP 7 |
| 50 | |
| 51 | #define SOL_HCI 0 |
| 52 | #define SOL_L2CAP 6 |
| 53 | #define SOL_SCO 17 |
| 54 | #define SOL_RFCOMM 18 |
| 55 | |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 56 | #define BT_SECURITY 4 |
| 57 | struct bt_security { |
| 58 | __u8 level; |
| 59 | }; |
| 60 | #define BT_SECURITY_SDP 0 |
| 61 | #define BT_SECURITY_LOW 1 |
| 62 | #define BT_SECURITY_MEDIUM 2 |
| 63 | #define BT_SECURITY_HIGH 3 |
| 64 | |
Marcel Holtmann | c4f912e | 2009-01-15 21:52:16 +0100 | [diff] [blame] | 65 | #define BT_DEFER_SETUP 7 |
| 66 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | #define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg) |
Marcel Holtmann | a418b89 | 2008-11-30 12:17:28 +0100 | [diff] [blame] | 68 | #define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg) |
| 69 | #define BT_DBG(fmt, arg...) pr_debug("%s: " fmt "\n" , __func__ , ## arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | /* Connection and socket states */ |
| 72 | enum { |
| 73 | BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */ |
| 74 | BT_OPEN, |
| 75 | BT_BOUND, |
| 76 | BT_LISTEN, |
| 77 | BT_CONNECT, |
| 78 | BT_CONNECT2, |
| 79 | BT_CONFIG, |
| 80 | BT_DISCONN, |
| 81 | BT_CLOSED |
| 82 | }; |
| 83 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | /* BD Address */ |
| 85 | typedef struct { |
| 86 | __u8 b[6]; |
| 87 | } __attribute__((packed)) bdaddr_t; |
| 88 | |
| 89 | #define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}}) |
| 90 | #define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}}) |
| 91 | |
| 92 | /* Copy, swap, convert BD Address */ |
| 93 | static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2) |
| 94 | { |
| 95 | return memcmp(ba1, ba2, sizeof(bdaddr_t)); |
| 96 | } |
| 97 | static inline void bacpy(bdaddr_t *dst, bdaddr_t *src) |
| 98 | { |
| 99 | memcpy(dst, src, sizeof(bdaddr_t)); |
| 100 | } |
| 101 | |
| 102 | void baswap(bdaddr_t *dst, bdaddr_t *src); |
| 103 | char *batostr(bdaddr_t *ba); |
| 104 | bdaddr_t *strtoba(char *str); |
| 105 | |
| 106 | /* Common socket structures and functions */ |
| 107 | |
| 108 | #define bt_sk(__sk) ((struct bt_sock *) __sk) |
| 109 | |
| 110 | struct bt_sock { |
| 111 | struct sock sk; |
| 112 | bdaddr_t src; |
| 113 | bdaddr_t dst; |
| 114 | struct list_head accept_q; |
| 115 | struct sock *parent; |
Marcel Holtmann | c4f912e | 2009-01-15 21:52:16 +0100 | [diff] [blame] | 116 | u32 defer_setup; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | struct bt_sock_list { |
| 120 | struct hlist_head head; |
| 121 | rwlock_t lock; |
| 122 | }; |
| 123 | |
Stephen Hemminger | ec1b4cf | 2009-10-05 05:58:39 +0000 | [diff] [blame] | 124 | int bt_sock_register(int proto, const struct net_proto_family *ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | int bt_sock_unregister(int proto); |
| 126 | void bt_sock_link(struct bt_sock_list *l, struct sock *s); |
| 127 | void bt_sock_unlink(struct bt_sock_list *l, struct sock *s); |
| 128 | int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags); |
| 129 | uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait); |
Marcel Holtmann | 3241ad8 | 2008-07-14 20:13:50 +0200 | [diff] [blame] | 130 | int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); |
| 132 | |
| 133 | void bt_accept_enqueue(struct sock *parent, struct sock *sk); |
| 134 | void bt_accept_unlink(struct sock *sk); |
| 135 | struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock); |
| 136 | |
| 137 | /* Skb helpers */ |
| 138 | struct bt_skb_cb { |
Marcel Holtmann | 0d48d93 | 2005-08-09 20:30:28 -0700 | [diff] [blame] | 139 | __u8 pkt_type; |
| 140 | __u8 incoming; |
Gustavo F. Padovan | 1c2acff | 2009-08-20 22:25:57 -0300 | [diff] [blame] | 141 | __u8 tx_seq; |
Gustavo F. Padovan | e90bac0 | 2009-08-20 22:26:00 -0300 | [diff] [blame] | 142 | __u8 retries; |
Gustavo F. Padovan | 8f17154 | 2009-08-20 22:26:03 -0300 | [diff] [blame] | 143 | __u8 sar; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | }; |
Gustavo F. Padovan | 1c2acff | 2009-08-20 22:25:57 -0300 | [diff] [blame] | 145 | #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | |
Al Viro | dd0fc66 | 2005-10-07 07:46:04 +0100 | [diff] [blame] | 147 | static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | { |
| 149 | struct sk_buff *skb; |
| 150 | |
| 151 | if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) { |
| 152 | skb_reserve(skb, BT_SKB_RESERVE); |
| 153 | bt_cb(skb)->incoming = 0; |
| 154 | } |
| 155 | return skb; |
| 156 | } |
| 157 | |
| 158 | static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, unsigned long len, |
| 159 | int nb, int *err) |
| 160 | { |
| 161 | struct sk_buff *skb; |
| 162 | |
| 163 | if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) { |
| 164 | skb_reserve(skb, BT_SKB_RESERVE); |
| 165 | bt_cb(skb)->incoming = 0; |
| 166 | } |
| 167 | |
| 168 | return skb; |
| 169 | } |
| 170 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | int bt_err(__u16 code); |
| 172 | |
Marcel Holtmann | 6516455 | 2005-10-28 19:20:48 +0200 | [diff] [blame] | 173 | extern int hci_sock_init(void); |
Tobias Klauser | 04005dd | 2008-03-05 18:47:03 -0800 | [diff] [blame] | 174 | extern void hci_sock_cleanup(void); |
Marcel Holtmann | 6516455 | 2005-10-28 19:20:48 +0200 | [diff] [blame] | 175 | |
| 176 | extern int bt_sysfs_init(void); |
| 177 | extern void bt_sysfs_cleanup(void); |
| 178 | |
Marcel Holtmann | aef7d97 | 2010-03-21 05:27:45 +0100 | [diff] [blame^] | 179 | extern struct dentry *bt_debugfs; |
Marcel Holtmann | be9d122 | 2005-11-08 09:57:38 -0800 | [diff] [blame] | 180 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | #endif /* __BLUETOOTH_H */ |