1/* 2 BNEP protocol definition for Linux Bluetooth stack (BlueZ). 3 Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com> 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License, version 2, as 7 published by the Free Software Foundation. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software 16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17*/ 18 19#ifndef _BNEP_H 20#define _BNEP_H 21 22#include <linux/types.h> 23#include <linux/crc32.h> 24#include <net/bluetooth/bluetooth.h> 25 26// Limits 27#define BNEP_MAX_PROTO_FILTERS 5 28#define BNEP_MAX_MULTICAST_FILTERS 20 29 30// UUIDs 31#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB 32#define BNEP_UUID16 0x02 33#define BNEP_UUID32 0x04 34#define BNEP_UUID128 0x16 35 36#define BNEP_SVC_PANU 0x1115 37#define BNEP_SVC_NAP 0x1116 38#define BNEP_SVC_GN 0x1117 39 40// Packet types 41#define BNEP_GENERAL 0x00 42#define BNEP_CONTROL 0x01 43#define BNEP_COMPRESSED 0x02 44#define BNEP_COMPRESSED_SRC_ONLY 0x03 45#define BNEP_COMPRESSED_DST_ONLY 0x04 46 47// Control types 48#define BNEP_CMD_NOT_UNDERSTOOD 0x00 49#define BNEP_SETUP_CONN_REQ 0x01 50#define BNEP_SETUP_CONN_RSP 0x02 51#define BNEP_FILTER_NET_TYPE_SET 0x03 52#define BNEP_FILTER_NET_TYPE_RSP 0x04 53#define BNEP_FILTER_MULTI_ADDR_SET 0x05 54#define BNEP_FILTER_MULTI_ADDR_RSP 0x06 55 56// Extension types 57#define BNEP_EXT_CONTROL 0x00 58 59// Response messages 60#define BNEP_SUCCESS 0x00 61 62#define BNEP_CONN_INVALID_DST 0x01 63#define BNEP_CONN_INVALID_SRC 0x02 64#define BNEP_CONN_INVALID_SVC 0x03 65#define BNEP_CONN_NOT_ALLOWED 0x04 66 67#define BNEP_FILTER_UNSUPPORTED_REQ 0x01 68#define BNEP_FILTER_INVALID_RANGE 0x02 69#define BNEP_FILTER_INVALID_MCADDR 0x02 70#define BNEP_FILTER_LIMIT_REACHED 0x03 71#define BNEP_FILTER_DENIED_SECURITY 0x04 72 73// L2CAP settings 74#define BNEP_MTU 1691 75#define BNEP_PSM 0x0f 76#define BNEP_FLUSH_TO 0xffff 77#define BNEP_CONNECT_TO 15 78#define BNEP_FILTER_TO 15 79 80// Headers 81#define BNEP_TYPE_MASK 0x7f 82#define BNEP_EXT_HEADER 0x80 83 84struct bnep_setup_conn_req { 85 __u8 type; 86 __u8 ctrl; 87 __u8 uuid_size; 88 __u8 service[0]; 89} __packed; 90 91struct bnep_set_filter_req { 92 __u8 type; 93 __u8 ctrl; 94 __be16 len; 95 __u8 list[0]; 96} __packed; 97 98struct bnep_control_rsp { 99 __u8 type; 100 __u8 ctrl; 101 __be16 resp; 102} __packed; 103 104struct bnep_ext_hdr { 105 __u8 type; 106 __u8 len; 107 __u8 data[0]; 108} __packed; 109 110/* BNEP ioctl defines */ 111#define BNEPCONNADD _IOW('B', 200, int) 112#define BNEPCONNDEL _IOW('B', 201, int) 113#define BNEPGETCONNLIST _IOR('B', 210, int) 114#define BNEPGETCONNINFO _IOR('B', 211, int) 115 116struct bnep_connadd_req { 117 int sock; // Connected socket 118 __u32 flags; 119 __u16 role; 120 char device[16]; // Name of the Ethernet device 121}; 122 123struct bnep_conndel_req { 124 __u32 flags; 125 __u8 dst[ETH_ALEN]; 126}; 127 128struct bnep_conninfo { 129 __u32 flags; 130 __u16 role; 131 __u16 state; 132 __u8 dst[ETH_ALEN]; 133 char device[16]; 134}; 135 136struct bnep_connlist_req { 137 __u32 cnum; 138 struct bnep_conninfo __user *ci; 139}; 140 141struct bnep_proto_filter { 142 __u16 start; 143 __u16 end; 144}; 145 146int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); 147int bnep_del_connection(struct bnep_conndel_req *req); 148int bnep_get_connlist(struct bnep_connlist_req *req); 149int bnep_get_conninfo(struct bnep_conninfo *ci); 150 151// BNEP sessions 152struct bnep_session { 153 struct list_head list; 154 155 unsigned int role; 156 unsigned long state; 157 unsigned long flags; 158 atomic_t killed; 159 160 struct ethhdr eh; 161 struct msghdr msg; 162 163 struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; 164 unsigned long long mc_filter; 165 166 struct socket *sock; 167 struct net_device *dev; 168}; 169 170void bnep_net_setup(struct net_device *dev); 171int bnep_sock_init(void); 172void bnep_sock_cleanup(void); 173 174static inline int bnep_mc_hash(__u8 *addr) 175{ 176 return (crc32_be(~0, addr, ETH_ALEN) >> 26); 177} 178 179#endif 180