LXR linux-old/net/bluetooth/bnep/bnep.h

   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: bnep2.h,v 1.9 2002/07/14 07:09:19 maxk 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 <linux/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/* BNEP ioctl defines */
 116#define BNEPCONNADD     _IOW('B', 200, int)
 117#define BNEPCONNDEL     _IOW('B', 201, int)
 118#define BNEPGETCONNLIST _IOR('B', 210, int)
 119#define BNEPGETCONNINFO _IOR('B', 211, int)
 120
 121struct bnep_connadd_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_conndel_req {
 129        __u32 flags;
 130        __u8  dst[ETH_ALEN];
 131};
 132
 133struct bnep_conninfo {
 134        __u32 flags;
 135        __u16 role;
 136        __u16 state;    
 137        __u8  dst[ETH_ALEN];
 138        char  device[16];
 139};
 140
 141struct bnep_connlist_req {
 142        __u32  cnum;
 143        struct bnep_conninfo *ci;
 144};
 145
 146struct bnep_proto_filter {
 147        __u16 start;
 148        __u16 end;
 149};
 150
 151int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock);
 152int bnep_del_connection(struct bnep_conndel_req *req);
 153int bnep_get_connlist(struct bnep_connlist_req *req);
 154int bnep_get_conninfo(struct bnep_conninfo *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 (crc32_be(~0, addr, ETH_ALEN) >> 26);
 183}
 184
 185#endif
 186