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 1.5 2002/08/04 21:23:58 maxk 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 88 struct bnep_setup_conn_req { 89 __u8 type; 90 __u8 ctrl; 91 __u8 uuid_size; 92 __u8 service[0]; 93 } __attribute__((packed)); 94 95 struct bnep_set_filter_req { 96 __u8 type; 97 __u8 ctrl; 98 __be16 len; 99 __u8 list[0]; 100 } __attribute__((packed)); 101 102 struct bnep_control_rsp { 103 __u8 type; 104 __u8 ctrl; 105 __be16 resp; 106 } __attribute__((packed)); 107 108 struct 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) 119 120 struct bnep_connadd_req { 121 int sock; // Connected socket 122 __u32 flags; 123 __u16 role; 124 char device[16]; // Name of the Ethernet device 125 }; 126 127 struct bnep_conndel_req { 128 __u32 flags; 129 __u8 dst[ETH_ALEN]; 130 }; 131 132 struct bnep_conninfo { 133 __u32 flags; 134 __u16 role; 135 __u16 state; 136 __u8 dst[ETH_ALEN]; 137 char device[16]; 138 }; 139 140 struct bnep_connlist_req { 141 __u32 cnum; 142 struct bnep_conninfo __user *ci; 143 }; 144 145 struct bnep_proto_filter { 146 __u16 start; 147 __u16 end; 148 }; 149 150 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); 151 int bnep_del_connection(struct bnep_conndel_req *req); 152 int bnep_get_connlist(struct bnep_connlist_req *req); 153 int bnep_get_conninfo(struct bnep_conninfo *ci); 154 155 // BNEP sessions 156 struct 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 }; 174 175 void bnep_net_setup(struct net_device *dev); 176 int bnep_sock_init(void); 177 void bnep_sock_cleanup(void); 178 179 static inline int bnep_mc_hash(__u8 *addr) 180 { 181 return (crc32_be(~0, addr, ETH_ALEN) >> 26); 182 } 183 184 #endif 185