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 2008/10/15 03:27:33 james26_jang Exp $ 21 */ 22 23#ifndef _BNEP_H 24#define _BNEP_H 25 26#include <linux/types.h> 27#include <net/bluetooth/bluetooth.h> 28 29#include "crc32.h" 30 31// Limits 32#define BNEP_MAX_PROTO_FILTERS 5 33#define BNEP_MAX_MULTICAST_FILTERS 20 34 35// UUIDs 36#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB 37#define BNEP_UUID16 0x02 38#define BNEP_UUID32 0x04 39#define BNEP_UUID128 0x16 40 41#define BNEP_SVC_PANU 0x1115 42#define BNEP_SVC_NAP 0x1116 43#define BNEP_SVC_GN 0x1117 44 45// Packet types 46#define BNEP_GENERAL 0x00 47#define BNEP_CONTROL 0x01 48#define BNEP_COMPRESSED 0x02 49#define BNEP_COMPRESSED_SRC_ONLY 0x03 50#define BNEP_COMPRESSED_DST_ONLY 0x04 51 52// Control types 53#define BNEP_CMD_NOT_UNDERSTOOD 0x00 54#define BNEP_SETUP_CONN_REQ 0x01 55#define BNEP_SETUP_CONN_RSP 0x02 56#define BNEP_FILTER_NET_TYPE_SET 0x03 57#define BNEP_FILTER_NET_TYPE_RSP 0x04 58#define BNEP_FILTER_MULTI_ADDR_SET 0x05 59#define BNEP_FILTER_MULTI_ADDR_RSP 0x06 60 61// Extension types 62#define BNEP_EXT_CONTROL 0x00 63 64// Response messages 65#define BNEP_SUCCESS 0x00 66 67#define BNEP_CONN_INVALID_DST 0x01 68#define BNEP_CONN_INVALID_SRC 0x02 69#define BNEP_CONN_INVALID_SVC 0x03 70#define BNEP_CONN_NOT_ALLOWED 0x04 71 72#define BNEP_FILTER_UNSUPPORTED_REQ 0x01 73#define BNEP_FILTER_INVALID_RANGE 0x02 74#define BNEP_FILTER_INVALID_MCADDR 0x02 75#define BNEP_FILTER_LIMIT_REACHED 0x03 76#define BNEP_FILTER_DENIED_SECURITY 0x04 77 78// L2CAP settings 79#define BNEP_MTU 1691 80#define BNEP_PSM 0x0f 81#define BNEP_FLUSH_TO 0xffff 82#define BNEP_CONNECT_TO 15 83#define BNEP_FILTER_TO 15 84 85// Headers 86#define BNEP_TYPE_MASK 0x7f 87#define BNEP_EXT_HEADER 0x80 88 89struct bnep_setup_conn_req { 90 __u8 type; 91 __u8 ctrl; 92 __u8 uuid_size; 93 __u8 service[0]; 94} __attribute__((packed)); 95 96struct bnep_set_filter_req { 97 __u8 type; 98 __u8 ctrl; 99 __u16 len; 100 __u8 list[0]; 101} __attribute__((packed)); 102 103struct bnep_control_rsp { 104 __u8 type; 105 __u8 ctrl; 106 __u16 resp; 107} __attribute__((packed)); 108 109struct bnep_ext_hdr { 110 __u8 type; 111 __u8 len; 112 __u8 data[0]; 113} __attribute__((packed)); 114 115// Ioctl interface 116#define BNEPCONADD 1 117#define BNEPCONDEL 2 118#define BNEPGETCONLIST 3 119#define BNEPGETCONINFO 4 120 121struct bnep_conadd_req { 122 int sock; // Connected socket 123 __u32 flags; 124 __u16 role; 125 char device[16]; // Name of the Ethernet device 126}; 127 128struct bnep_condel_req { 129 __u32 flags; 130 __u8 dst[ETH_ALEN]; 131}; 132 133struct bnep_coninfo { 134 __u32 flags; 135 __u16 role; 136 __u16 state; 137 __u8 dst[ETH_ALEN]; 138 char device[16]; 139}; 140 141struct bnep_conlist_req { 142 __u32 cnum; 143 struct bnep_coninfo *ci; 144}; 145 146struct bnep_proto_filter { 147 __u16 start; 148 __u16 end; 149}; 150 151int bnep_add_connection(struct bnep_conadd_req *req, struct socket *sock); 152int bnep_del_connection(struct bnep_condel_req *req); 153int bnep_get_conlist(struct bnep_conlist_req *req); 154int bnep_get_coninfo(struct bnep_coninfo *ci); 155 156// BNEP sessions 157struct bnep_session { 158 struct list_head list; 159 160 unsigned int role; 161 unsigned long state; 162 unsigned long flags; 163 atomic_t killed; 164 165 struct ethhdr eh; 166 struct msghdr msg; 167 168 struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; 169 u64 mc_filter; 170 171 struct socket *sock; 172 struct net_device dev; 173 struct net_device_stats stats; 174}; 175 176int bnep_net_init(struct net_device *dev); 177int bnep_sock_init(void); 178int bnep_sock_cleanup(void); 179 180static inline int bnep_mc_hash(__u8 *addr) 181{ 182 return (bnep_crc32(~0, addr, ETH_ALEN) >> 26); 183} 184 185#endif 186