bnep.h
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上传日期:2013-04-10
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- /*
- BNEP protocol definition for Linux Bluetooth stack (BlueZ).
- Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License, version 2, as
- published by the Free Software Foundation.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- /*
- * $Id: bnep2.h,v 1.9 2002/07/14 07:09:19 maxk Exp $
- */
- #ifndef _BNEP_H
- #define _BNEP_H
- #include <linux/types.h>
- #include <net/bluetooth/bluetooth.h>
- #include "crc32.h"
- // Limits
- #define BNEP_MAX_PROTO_FILTERS 5
- #define BNEP_MAX_MULTICAST_FILTERS 20
- // UUIDs
- #define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB
- #define BNEP_UUID16 0x02
- #define BNEP_UUID32 0x04
- #define BNEP_UUID128 0x16
- #define BNEP_SVC_PANU 0x1115
- #define BNEP_SVC_NAP 0x1116
- #define BNEP_SVC_GN 0x1117
- // Packet types
- #define BNEP_GENERAL 0x00
- #define BNEP_CONTROL 0x01
- #define BNEP_COMPRESSED 0x02
- #define BNEP_COMPRESSED_SRC_ONLY 0x03
- #define BNEP_COMPRESSED_DST_ONLY 0x04
- // Control types
- #define BNEP_CMD_NOT_UNDERSTOOD 0x00
- #define BNEP_SETUP_CONN_REQ 0x01
- #define BNEP_SETUP_CONN_RSP 0x02
- #define BNEP_FILTER_NET_TYPE_SET 0x03
- #define BNEP_FILTER_NET_TYPE_RSP 0x04
- #define BNEP_FILTER_MULTI_ADDR_SET 0x05
- #define BNEP_FILTER_MULTI_ADDR_RSP 0x06
- // Extension types
- #define BNEP_EXT_CONTROL 0x00
- // Response messages
- #define BNEP_SUCCESS 0x00
- #define BNEP_CONN_INVALID_DST 0x01
- #define BNEP_CONN_INVALID_SRC 0x02
- #define BNEP_CONN_INVALID_SVC 0x03
- #define BNEP_CONN_NOT_ALLOWED 0x04
- #define BNEP_FILTER_UNSUPPORTED_REQ 0x01
- #define BNEP_FILTER_INVALID_RANGE 0x02
- #define BNEP_FILTER_INVALID_MCADDR 0x02
- #define BNEP_FILTER_LIMIT_REACHED 0x03
- #define BNEP_FILTER_DENIED_SECURITY 0x04
- // L2CAP settings
- #define BNEP_MTU 1691
- #define BNEP_PSM 0x0f
- #define BNEP_FLUSH_TO 0xffff
- #define BNEP_CONNECT_TO 15
- #define BNEP_FILTER_TO 15
- // Headers
- #define BNEP_TYPE_MASK 0x7f
- #define BNEP_EXT_HEADER 0x80
- struct bnep_setup_conn_req {
- __u8 type;
- __u8 ctrl;
- __u8 uuid_size;
- __u8 service[0];
- } __attribute__((packed));
- struct bnep_set_filter_req {
- __u8 type;
- __u8 ctrl;
- __u16 len;
- __u8 list[0];
- } __attribute__((packed));
- struct bnep_control_rsp {
- __u8 type;
- __u8 ctrl;
- __u16 resp;
- } __attribute__((packed));
- struct bnep_ext_hdr {
- __u8 type;
- __u8 len;
- __u8 data[0];
- } __attribute__((packed));
- // Ioctl interface
- #define BNEPCONADD 1
- #define BNEPCONDEL 2
- #define BNEPGETCONLIST 3
- #define BNEPGETCONINFO 4
- struct bnep_conadd_req {
- int sock; // Connected socket
- __u32 flags;
- __u16 role;
- char device[16]; // Name of the Ethernet device
- };
- struct bnep_condel_req {
- __u32 flags;
- __u8 dst[ETH_ALEN];
- };
- struct bnep_coninfo {
- __u32 flags;
- __u16 role;
- __u16 state;
- __u8 dst[ETH_ALEN];
- char device[16];
- };
- struct bnep_conlist_req {
- __u32 cnum;
- struct bnep_coninfo *ci;
- };
- struct bnep_proto_filter {
- __u16 start;
- __u16 end;
- };
- int bnep_add_connection(struct bnep_conadd_req *req, struct socket *sock);
- int bnep_del_connection(struct bnep_condel_req *req);
- int bnep_get_conlist(struct bnep_conlist_req *req);
- int bnep_get_coninfo(struct bnep_coninfo *ci);
- // BNEP sessions
- struct bnep_session {
- struct list_head list;
-
- unsigned int role;
- unsigned long state;
- unsigned long flags;
- atomic_t killed;
- struct ethhdr eh;
- struct msghdr msg;
- struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS];
- u64 mc_filter;
-
- struct socket *sock;
- struct net_device dev;
- struct net_device_stats stats;
- };
- int bnep_net_init(struct net_device *dev);
- int bnep_sock_init(void);
- int bnep_sock_cleanup(void);
- static inline int bnep_mc_hash(__u8 *addr)
- {
- return (bnep_crc32(~0, addr, ETH_ALEN) >> 26);
- }
- #endif