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/* 20 * $Id: bnep.h,v 1.1.1.1 2007/08/03 18:53:50 Exp $ 21 */ 22 23#ifndef _BNEP_H 24#define _BNEP_H 25 26#include <linux/types.h> 27#include <linux/crc32.h> 28#include <net/bluetooth/bluetooth.h> 29 30// Limits 31#define BNEP_MAX_PROTO_FILTERS 5 32#define BNEP_MAX_MULTICAST_FILTERS 20 33 34// UUIDs 35#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB 36#define BNEP_UUID16 0x02 37#define BNEP_UUID32 0x04 38#define BNEP_UUID128 0x16 39 40#define BNEP_SVC_PANU 0x1115 41#define BNEP_SVC_NAP 0x1116 42#define BNEP_SVC_GN 0x1117 43 44// Packet types 45#define BNEP_GENERAL 0x00 46#define BNEP_CONTROL 0x01 47#define BNEP_COMPRESSED 0x02 48#define BNEP_COMPRESSED_SRC_ONLY 0x03 49#define BNEP_COMPRESSED_DST_ONLY 0x04 50 51// Control types 52#define BNEP_CMD_NOT_UNDERSTOOD 0x00 53#define BNEP_SETUP_CONN_REQ 0x01 54#define BNEP_SETUP_CONN_RSP 0x02 55#define BNEP_FILTER_NET_TYPE_SET 0x03 56#define BNEP_FILTER_NET_TYPE_RSP 0x04 57#define BNEP_FILTER_MULTI_ADDR_SET 0x05 58#define BNEP_FILTER_MULTI_ADDR_RSP 0x06 59 60// Extension types 61#define BNEP_EXT_CONTROL 0x00 62 63// Response messages 64#define BNEP_SUCCESS 0x00 65 66#define BNEP_CONN_INVALID_DST 0x01 67#define BNEP_CONN_INVALID_SRC 0x02 68#define BNEP_CONN_INVALID_SVC 0x03 69#define BNEP_CONN_NOT_ALLOWED 0x04 70 71#define BNEP_FILTER_UNSUPPORTED_REQ 0x01 72#define BNEP_FILTER_INVALID_RANGE 0x02 73#define BNEP_FILTER_INVALID_MCADDR 0x02 74#define BNEP_FILTER_LIMIT_REACHED 0x03 75#define BNEP_FILTER_DENIED_SECURITY 0x04 76 77// L2CAP settings 78#define BNEP_MTU 1691 79#define BNEP_PSM 0x0f 80#define BNEP_FLUSH_TO 0xffff 81#define BNEP_CONNECT_TO 15 82#define BNEP_FILTER_TO 15 83 84// Headers 85#define BNEP_TYPE_MASK 0x7f 86#define BNEP_EXT_HEADER 0x80 87 88struct bnep_setup_conn_req { 89 __u8 type; 90 __u8 ctrl; 91 __u8 uuid_size; 92 __u8 service[0]; 93} __attribute__((packed)); 94 95struct bnep_set_filter_req { 96 __u8 type; 97 __u8 ctrl; 98 __be16 len; 99 __u8 list[0]; 100} __attribute__((packed)); 101 102struct bnep_control_rsp { 103 __u8 type; 104 __u8 ctrl; 105 __be16 resp; 106} __attribute__((packed)); 107 108struct bnep_ext_hdr { 109 __u8 type; 110 __u8 len; 111 __u8 data[0]; 112} __attribute__((packed)); 113 114/* BNEP ioctl defines */ 115#define BNEPCONNADD _IOW('B', 200, int) 116#define BNEPCONNDEL _IOW('B', 201, int) 117#define BNEPGETCONNLIST _IOR('B', 210, int) 118#define BNEPGETCONNINFO _IOR('B', 211, int) 119 120struct bnep_connadd_req { 121 int sock; // Connected socket 122 __u32 flags; 123 __u16 role; 124 char device[16]; // Name of the Ethernet device 125}; 126 127struct bnep_conndel_req { 128 __u32 flags; 129 __u8 dst[ETH_ALEN]; 130}; 131 132struct bnep_conninfo { 133 __u32 flags; 134 __u16 role; 135 __u16 state; 136 __u8 dst[ETH_ALEN]; 137 char device[16]; 138}; 139 140struct bnep_connlist_req { 141 __u32 cnum; 142 struct bnep_conninfo __user *ci; 143}; 144 145struct bnep_proto_filter { 146 __u16 start; 147 __u16 end; 148}; 149 150int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); 151int bnep_del_connection(struct bnep_conndel_req *req); 152int bnep_get_connlist(struct bnep_connlist_req *req); 153int bnep_get_conninfo(struct bnep_conninfo *ci); 154 155// BNEP sessions 156struct bnep_session { 157 struct list_head list; 158 159 unsigned int role; 160 unsigned long state; 161 unsigned long flags; 162 atomic_t killed; 163 164 struct ethhdr eh; 165 struct msghdr msg; 166 167 struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; 168 u64 mc_filter; 169 170 struct socket *sock; 171 struct net_device *dev; 172 struct net_device_stats stats; 173}; 174 175void bnep_net_setup(struct net_device *dev); 176int bnep_sock_init(void); 177int bnep_sock_cleanup(void); 178 179static inline int bnep_mc_hash(__u8 *addr) 180{ 181 return (crc32_be(~0, addr, ETH_ALEN) >> 26); 182} 183 184#endif 185