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173 lines
3.6 KiB
173 lines
3.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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BNEP protocol definition for Linux Bluetooth stack (BlueZ). |
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Copyright (C) 2002 Maxim Krasnyansky <[email protected]> |
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*/ |
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#ifndef _BNEP_H |
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#define _BNEP_H |
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#include <linux/types.h> |
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#include <linux/crc32.h> |
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#include <net/bluetooth/bluetooth.h> |
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/* Limits */ |
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#define BNEP_MAX_PROTO_FILTERS 5 |
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#define BNEP_MAX_MULTICAST_FILTERS 20 |
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/* UUIDs */ |
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#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB |
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#define BNEP_UUID16 0x02 |
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#define BNEP_UUID32 0x04 |
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#define BNEP_UUID128 0x16 |
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#define BNEP_SVC_PANU 0x1115 |
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#define BNEP_SVC_NAP 0x1116 |
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#define BNEP_SVC_GN 0x1117 |
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/* Packet types */ |
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#define BNEP_GENERAL 0x00 |
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#define BNEP_CONTROL 0x01 |
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#define BNEP_COMPRESSED 0x02 |
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#define BNEP_COMPRESSED_SRC_ONLY 0x03 |
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#define BNEP_COMPRESSED_DST_ONLY 0x04 |
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/* Control types */ |
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#define BNEP_CMD_NOT_UNDERSTOOD 0x00 |
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#define BNEP_SETUP_CONN_REQ 0x01 |
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#define BNEP_SETUP_CONN_RSP 0x02 |
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#define BNEP_FILTER_NET_TYPE_SET 0x03 |
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#define BNEP_FILTER_NET_TYPE_RSP 0x04 |
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#define BNEP_FILTER_MULTI_ADDR_SET 0x05 |
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#define BNEP_FILTER_MULTI_ADDR_RSP 0x06 |
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/* Extension types */ |
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#define BNEP_EXT_CONTROL 0x00 |
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/* Response messages */ |
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#define BNEP_SUCCESS 0x00 |
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#define BNEP_CONN_INVALID_DST 0x01 |
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#define BNEP_CONN_INVALID_SRC 0x02 |
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#define BNEP_CONN_INVALID_SVC 0x03 |
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#define BNEP_CONN_NOT_ALLOWED 0x04 |
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#define BNEP_FILTER_UNSUPPORTED_REQ 0x01 |
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#define BNEP_FILTER_INVALID_RANGE 0x02 |
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#define BNEP_FILTER_INVALID_MCADDR 0x02 |
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#define BNEP_FILTER_LIMIT_REACHED 0x03 |
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#define BNEP_FILTER_DENIED_SECURITY 0x04 |
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/* L2CAP settings */ |
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#define BNEP_MTU 1691 |
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#define BNEP_PSM 0x0f |
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#define BNEP_FLUSH_TO 0xffff |
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#define BNEP_CONNECT_TO 15 |
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#define BNEP_FILTER_TO 15 |
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/* Headers */ |
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#define BNEP_TYPE_MASK 0x7f |
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#define BNEP_EXT_HEADER 0x80 |
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struct bnep_setup_conn_req { |
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__u8 type; |
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__u8 ctrl; |
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__u8 uuid_size; |
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__u8 service[]; |
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} __packed; |
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struct bnep_set_filter_req { |
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__u8 type; |
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__u8 ctrl; |
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__be16 len; |
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__u8 list[]; |
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} __packed; |
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struct bnep_control_rsp { |
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__u8 type; |
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__u8 ctrl; |
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__be16 resp; |
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} __packed; |
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struct bnep_ext_hdr { |
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__u8 type; |
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__u8 len; |
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__u8 data[]; |
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} __packed; |
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/* BNEP ioctl defines */ |
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#define BNEPCONNADD _IOW('B', 200, int) |
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#define BNEPCONNDEL _IOW('B', 201, int) |
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#define BNEPGETCONNLIST _IOR('B', 210, int) |
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#define BNEPGETCONNINFO _IOR('B', 211, int) |
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#define BNEPGETSUPPFEAT _IOR('B', 212, int) |
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#define BNEP_SETUP_RESPONSE 0 |
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#define BNEP_SETUP_RSP_SENT 10 |
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struct bnep_connadd_req { |
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int sock; /* Connected socket */ |
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__u32 flags; |
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__u16 role; |
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char device[16]; /* Name of the Ethernet device */ |
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}; |
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struct bnep_conndel_req { |
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__u32 flags; |
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__u8 dst[ETH_ALEN]; |
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}; |
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struct bnep_conninfo { |
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__u32 flags; |
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__u16 role; |
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__u16 state; |
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__u8 dst[ETH_ALEN]; |
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char device[16]; |
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}; |
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struct bnep_connlist_req { |
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__u32 cnum; |
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struct bnep_conninfo __user *ci; |
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}; |
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struct bnep_proto_filter { |
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__u16 start; |
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__u16 end; |
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}; |
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int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); |
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int bnep_del_connection(struct bnep_conndel_req *req); |
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int bnep_get_connlist(struct bnep_connlist_req *req); |
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int bnep_get_conninfo(struct bnep_conninfo *ci); |
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/* BNEP sessions */ |
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struct bnep_session { |
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struct list_head list; |
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unsigned int role; |
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unsigned long state; |
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unsigned long flags; |
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atomic_t terminate; |
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struct task_struct *task; |
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struct ethhdr eh; |
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struct msghdr msg; |
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struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; |
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unsigned long long mc_filter; |
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struct socket *sock; |
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struct net_device *dev; |
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}; |
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void bnep_net_setup(struct net_device *dev); |
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int bnep_sock_init(void); |
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void bnep_sock_cleanup(void); |
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static inline int bnep_mc_hash(__u8 *addr) |
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{ |
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return crc32_be(~0, addr, ETH_ALEN) >> 26; |
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} |
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#endif
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