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 84 struct bnep_setup_conn_req { 85 __u8 type; 86 __u8 ctrl; 87 __u8 uuid_size; 88 __u8 service[0]; 89 } __packed; 90 91 struct bnep_set_filter_req { 92 __u8 type; 93 __u8 ctrl; 94 __be16 len; 95 __u8 list[0]; 96 } __packed; 97 98 struct bnep_control_rsp { 99 __u8 type; 100 __u8 ctrl; 101 __be16 resp; 102 } __packed; 103 104 struct 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) 115 116 struct bnep_connadd_req { 117 int sock; /* Connected socket */ 118 __u32 flags; 119 __u16 role; 120 char device[16]; /* Name of the Ethernet device */ 121 }; 122 123 struct bnep_conndel_req { 124 __u32 flags; 125 __u8 dst[ETH_ALEN]; 126 }; 127 128 struct bnep_conninfo { 129 __u32 flags; 130 __u16 role; 131 __u16 state; 132 __u8 dst[ETH_ALEN]; 133 char device[16]; 134 }; 135 136 struct bnep_connlist_req { 137 __u32 cnum; 138 struct bnep_conninfo __user *ci; 139 }; 140 141 struct bnep_proto_filter { 142 __u16 start; 143 __u16 end; 144 }; 145 146 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); 147 int bnep_del_connection(struct bnep_conndel_req *req); 148 int bnep_get_connlist(struct bnep_connlist_req *req); 149 int bnep_get_conninfo(struct bnep_conninfo *ci); 150 151 /* BNEP sessions */ 152 struct bnep_session { 153 struct list_head list; 154 155 unsigned int role; 156 unsigned long state; 157 unsigned long flags; 158 atomic_t terminate; 159 struct task_struct *task; 160 161 struct ethhdr eh; 162 struct msghdr msg; 163 164 struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; 165 unsigned long long mc_filter; 166 167 struct socket *sock; 168 struct net_device *dev; 169 }; 170 171 void bnep_net_setup(struct net_device *dev); 172 int bnep_sock_init(void); 173 void bnep_sock_cleanup(void); 174 175 static inline int bnep_mc_hash(__u8 *addr) 176 { 177 return crc32_be(~0, addr, ETH_ALEN) >> 26; 178 } 179 180 #endif 181