[TIPC] Initial merge (b97bf3fd) · Commits · e / devices / android_kernel_xiaomi_nabu

include/linux/socket.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -186,6 +186,7 @@ struct ucred {
		#define AF_PPPOX 24 /* PPPoX sockets */
		#define AF_WANPIPE 25 /* Wanpipe API Sockets */
		#define AF_LLC 26 /* Linux LLC */
		#define AF_TIPC 30 /* TIPC sockets */
		#define AF_BLUETOOTH 31 /* Bluetooth sockets */
		#define AF_MAX 32 /* For now.. */

		@@ -218,6 +219,7 @@ struct ucred {
		#define PF_PPPOX AF_PPPOX
		#define PF_WANPIPE AF_WANPIPE
		#define PF_LLC AF_LLC
		#define PF_TIPC AF_TIPC
		#define PF_BLUETOOTH AF_BLUETOOTH
		#define PF_MAX AF_MAX

		@@ -279,6 +281,7 @@ struct ucred {
		#define SOL_LLC 268
		#define SOL_DCCP 269
		#define SOL_NETLINK 270
		#define SOL_TIPC 271

		/* IPX options */
		#define IPX_TYPE 1

include/linux/tipc.h

0 → 100644

+598 −0

Original line number	Diff line number	Diff line
		/*
		* include/linux/tipc.h: Include file for TIPC users
		*
		* Copyright (c) 2003-2005, Ericsson Research Canada
		* Copyright (c) 2005, Wind River Systems
		* Copyright (c) 2005-2006, Ericsson AB
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions are met:
		*
		* Redistributions of source code must retain the above copyright notice, this
		* list of conditions and the following disclaimer.
		* Redistributions in binary form must reproduce the above copyright notice,
		* this list of conditions and the following disclaimer in the documentation
		* and/or other materials provided with the distribution.
		* Neither the names of the copyright holders nor the names of its
		* contributors may be used to endorse or promote products derived from this
		* software without specific prior written permission.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
		* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
		* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
		* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
		* POSSIBILITY OF SUCH DAMAGE.
		*/

		#ifndef _LINUX_TIPC_H_
		#define _LINUX_TIPC_H_

		#include <linux/types.h>
		#include <linux/string.h>
		#include <asm/byteorder.h>

		/*
		* TIPC addressing primitives
		*/

		struct tipc_portid {
		__u32 ref;
		__u32 node;
		};

		struct tipc_name {
		__u32 type;
		__u32 instance;
		};

		struct tipc_name_seq {
		__u32 type;
		__u32 lower;
		__u32 upper;
		};

		static inline __u32 tipc_addr(unsigned int zone,
		unsigned int cluster,
		unsigned int node)
		{
		return(zone << 24) \| (cluster << 12) \| node;
		}

		static inline unsigned int tipc_zone(__u32 addr)
		{
		return addr >> 24;
		}

		static inline unsigned int tipc_cluster(__u32 addr)
		{
		return(addr >> 12) & 0xfff;
		}

		static inline unsigned int tipc_node(__u32 addr)
		{
		return addr & 0xfff;
		}

		/*
		* Application-accessible port name types
		*/

		#define TIPC_NET_EVENTS 0 /* network event subscription name type */
		#define TIPC_TOP_SRV 1 /* topology service name type */
		#define TIPC_RESERVED_TYPES 64 /* lowest user-publishable name type */

		/*
		* Publication scopes when binding port names and port name sequences
		*/

		#define TIPC_ZONE_SCOPE 1
		#define TIPC_CLUSTER_SCOPE 2
		#define TIPC_NODE_SCOPE 3

		/*
		* Limiting values for messages
		*/

		#define TIPC_MAX_USER_MSG_SIZE 66000

		/*
		* Message importance levels
		*/

		#define TIPC_LOW_IMPORTANCE 0 /* default */
		#define TIPC_MEDIUM_IMPORTANCE 1
		#define TIPC_HIGH_IMPORTANCE 2
		#define TIPC_CRITICAL_IMPORTANCE 3

		/*
		* Msg rejection/connection shutdown reasons
		*/

		#define TIPC_OK 0
		#define TIPC_ERR_NO_NAME 1
		#define TIPC_ERR_NO_PORT 2
		#define TIPC_ERR_NO_NODE 3
		#define TIPC_ERR_OVERLOAD 4
		#define TIPC_CONN_SHUTDOWN 5

		/*
		* TIPC topology subscription service definitions
		*/

		#define TIPC_SUB_PORTS 0x01 /* filter for port availability */
		#define TIPC_SUB_SERVICE 0x02 /* filter for service availability */
		#if 0
		/* The following filter options are not currently implemented */
		#define TIPC_SUB_NO_BIND_EVTS 0x04 /* filter out "publish" events */
		#define TIPC_SUB_NO_UNBIND_EVTS 0x08 /* filter out "withdraw" events */
		#define TIPC_SUB_SINGLE_EVT 0x10 /* expire after first event */
		#endif

		#define TIPC_WAIT_FOREVER ~0 /* timeout for permanent subscription */

		struct tipc_subscr {
		struct tipc_name_seq seq; /* name sequence of interest */
		__u32 timeout; /* subscription duration (in ms) */
		__u32 filter; /* bitmask of filter options */
		char usr_handle[8]; /* available for subscriber use */
		};


		#define TIPC_PUBLISHED 1 /* publication event */
		#define TIPC_WITHDRAWN 2 /* withdraw event */
		#define TIPC_SUBSCR_TIMEOUT 3 /* subscription timeout event */

		struct tipc_event {
		__u32 event; /* event type */
		__u32 found_lower; /* matching name seq instances */
		__u32 found_upper; /* " " " " */
		struct tipc_portid port; /* associated port */
		struct tipc_subscr s; /* associated subscription */
		};

		/*
		* Socket API
		*/

		#ifndef AF_TIPC
		#define AF_TIPC 30
		#endif

		#ifndef PF_TIPC
		#define PF_TIPC AF_TIPC
		#endif

		#ifndef SOL_TIPC
		#define SOL_TIPC 271
		#endif

		#define TIPC_ADDR_NAMESEQ 1
		#define TIPC_ADDR_MCAST 1
		#define TIPC_ADDR_NAME 2
		#define TIPC_ADDR_ID 3

		struct sockaddr_tipc {
		unsigned short family;
		unsigned char addrtype;
		signed char scope;
		union {
		struct tipc_portid id;
		struct tipc_name_seq nameseq;
		struct {
		struct tipc_name name;
		__u32 domain; /* 0: own zone */
		} name;
		} addr;
		};

		/*
		* Ancillary data objects supported by recvmsg()
		*/

		#define TIPC_ERRINFO 1 /* error info */
		#define TIPC_RETDATA 2 /* returned data */
		#define TIPC_DESTNAME 3 /* destination name */

		/*
		* TIPC-specific socket option values
		*/

		#define TIPC_IMPORTANCE 127 /* Default: TIPC_LOW_IMPORTANCE */
		#define TIPC_SRC_DROPPABLE 128 /* Default: 0 (resend congested msg) */
		#define TIPC_DEST_DROPPABLE 129 /* Default: based on socket type */
		#define TIPC_CONN_TIMEOUT 130 /* Default: 8000 (ms) */

		/*
		* Bearer
		*/

		/* Identifiers of supported TIPC media types */

		#define TIPC_MEDIA_TYPE_ETH 1

		/* Maximum sizes of TIPC bearer-related names (including terminating NUL) */

		#define TIPC_MAX_MEDIA_NAME 16 /* format = media */
		#define TIPC_MAX_IF_NAME 16 /* format = interface */
		#define TIPC_MAX_BEARER_NAME 32 /* format = media:interface */
		#define TIPC_MAX_LINK_NAME 60 /* format = Z.C.N:interface-Z.C.N:interface */

		struct tipc_media_addr {
		__u32 type;
		union {
		__u8 eth_addr[6]; /* Ethernet bearer */
		#if 0
		/* Prototypes for other possible bearer types */

		struct {
		__u16 sin_family;
		__u16 sin_port;
		struct {
		__u32 s_addr;
		} sin_addr;
		char pad[4];
		} addr_in; /* IP-based bearer */
		__u16 sock_descr; /* generic socket bearer */
		#endif
		} dev_addr;
		};


		/* Link priority limits (range from 0 to # priorities - 1) */

		#define TIPC_NUM_LINK_PRI 32

		/* Link tolerance limits (min, default, max), in ms */

		#define TIPC_MIN_LINK_TOL 50
		#define TIPC_DEF_LINK_TOL 1500
		#define TIPC_MAX_LINK_TOL 30000

		/* Link window limits (min, default, max), in packets */

		#define TIPC_MIN_LINK_WIN 16
		#define TIPC_DEF_LINK_WIN 50
		#define TIPC_MAX_LINK_WIN 150

		/*
		* Configuration
		*
		* All configuration management messaging involves sending a request message
		* to the TIPC configuration service on a node, which sends a reply message
		* back. (In the future multi-message replies may be supported.)
		*
		* Both request and reply messages consist of a transport header and payload.
		* The transport header contains info about the desired operation;
		* the payload consists of zero or more type/length/value (TLV) items
		* which specify parameters or results for the operation.
		*
		* For many operations, the request and reply messages have a fixed number
		* of TLVs (usually zero or one); however, some reply messages may return
		* a variable number of TLVs. A failed request is denoted by the presence
		* of an "error string" TLV in the reply message instead of the TLV(s) the
		* reply should contain if the request succeeds.
		*/

		#define TIPC_CFG_SRV 0 /* configuration service name type */

		/*
		* Public commands:
		* May be issued by any process.
		* Accepted by own node, or by remote node only if remote management enabled.
		*/

		#define TIPC_CMD_NOOP 0x0000 /* tx none, rx none */
		#define TIPC_CMD_GET_NODES 0x0001 /* tx net_addr, rx node_info(s) */
		#define TIPC_CMD_GET_MEDIA_NAMES 0x0002 /* tx none, rx media_name(s) */
		#define TIPC_CMD_GET_BEARER_NAMES 0x0003 /* tx none, rx bearer_name(s) */
		#define TIPC_CMD_GET_LINKS 0x0004 /* tx net_addr, rx link_info(s) */
		#define TIPC_CMD_SHOW_NAME_TABLE 0x0005 /* tx name_tbl_query, rx ultra_string */
		#define TIPC_CMD_SHOW_PORTS 0x0006 /* tx none, rx ultra_string */
		#define TIPC_CMD_SHOW_LINK_STATS 0x000B /* tx link_name, rx ultra_string */

		#if 0
		#define TIPC_CMD_SHOW_PORT_STATS 0x0008 /* tx port_ref, rx ultra_string */
		#define TIPC_CMD_RESET_PORT_STATS 0x0009 /* tx port_ref, rx none */
		#define TIPC_CMD_GET_ROUTES 0x000A /* tx ?, rx ? */
		#define TIPC_CMD_GET_LINK_PEER 0x000D /* tx link_name, rx ? */
		#endif

		/*
		* Protected commands:
		* May only be issued by "network administration capable" process.
		* Accepted by own node, or by remote node only if remote management enabled
		* and this node is zone manager.
		*/

		#define TIPC_CMD_GET_REMOTE_MNG 0x4003 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_PORTS 0x4004 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_PUBL 0x4005 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_SUBSCR 0x4006 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_ZONES 0x4007 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_CLUSTERS 0x4008 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_NODES 0x4009 /* tx none, rx unsigned */
		#define TIPC_CMD_GET_MAX_SLAVES 0x400A /* tx none, rx unsigned */
		#define TIPC_CMD_GET_NETID 0x400B /* tx none, rx unsigned */

		#define TIPC_CMD_ENABLE_BEARER 0x4101 /* tx bearer_config, rx none */
		#define TIPC_CMD_DISABLE_BEARER 0x4102 /* tx bearer_name, rx none */
		#define TIPC_CMD_SET_LINK_TOL 0x4107 /* tx link_config, rx none */
		#define TIPC_CMD_SET_LINK_PRI 0x4108 /* tx link_config, rx none */
		#define TIPC_CMD_SET_LINK_WINDOW 0x4109 /* tx link_config, rx none */
		#define TIPC_CMD_SET_LOG_SIZE 0x410A /* tx unsigned, rx none */
		#define TIPC_CMD_DUMP_LOG 0x410B /* tx none, rx ultra_string */
		#define TIPC_CMD_RESET_LINK_STATS 0x410C /* tx link_name, rx none */

		#if 0
		#define TIPC_CMD_CREATE_LINK 0x4103 /* tx link_create, rx none */
		#define TIPC_CMD_REMOVE_LINK 0x4104 /* tx link_name, rx none */
		#define TIPC_CMD_BLOCK_LINK 0x4105 /* tx link_name, rx none */
		#define TIPC_CMD_UNBLOCK_LINK 0x4106 /* tx link_name, rx none */
		#endif

		/*
		* Private commands:
		* May only be issued by "network administration capable" process.
		* Accepted by own node only; cannot be used on a remote node.
		*/

		#define TIPC_CMD_SET_NODE_ADDR 0x8001 /* tx net_addr, rx none */
		#if 0
		#define TIPC_CMD_SET_ZONE_MASTER 0x8002 /* tx none, rx none */
		#endif
		#define TIPC_CMD_SET_REMOTE_MNG 0x8003 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_PORTS 0x8004 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_PUBL 0x8005 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_SUBSCR 0x8006 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_ZONES 0x8007 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_CLUSTERS 0x8008 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_NODES 0x8009 /* tx unsigned, rx none */
		#define TIPC_CMD_SET_MAX_SLAVES 0x800A /* tx unsigned, rx none */
		#define TIPC_CMD_SET_NETID 0x800B /* tx unsigned, rx none */

		/*
		* TLV types defined for TIPC
		*/

		#define TIPC_TLV_NONE 0 /* no TLV present */
		#define TIPC_TLV_VOID 1 /* empty TLV (0 data bytes)*/
		#define TIPC_TLV_UNSIGNED 2 /* 32-bit integer */
		#define TIPC_TLV_STRING 3 /* char[128] (max) */
		#define TIPC_TLV_LARGE_STRING 4 /* char[2048] (max) */
		#define TIPC_TLV_ULTRA_STRING 5 /* char[32768] (max) */

		#define TIPC_TLV_ERROR_STRING 16 /* char[128] containing "error code" */
		#define TIPC_TLV_NET_ADDR 17 /* 32-bit integer denoting <Z.C.N> */
		#define TIPC_TLV_MEDIA_NAME 18 /* char[MAX_MEDIA_NAME] */
		#define TIPC_TLV_BEARER_NAME 19 /* char[MAX_BEARER_NAME] */
		#define TIPC_TLV_LINK_NAME 20 /* char[MAX_LINK_NAME] */
		#define TIPC_TLV_NODE_INFO 21 /* struct tipc_node_info */
		#define TIPC_TLV_LINK_INFO 22 /* struct tipc_link_info */
		#define TIPC_TLV_BEARER_CONFIG 23 /* struct tipc_bearer_config */
		#define TIPC_TLV_LINK_CONFIG 24 /* struct tipc_link_config */
		#define TIPC_TLV_NAME_TBL_QUERY 25 /* struct tipc_name_table_query */
		#define TIPC_TLV_PORT_REF 26 /* 32-bit port reference */

		struct tipc_node_info {
		__u32 addr; /* network address of node */
		__u32 up; /* 0=down, 1= up */
		};

		struct tipc_link_info {
		__u32 dest; /* network address of peer node */
		__u32 up; /* 0=down, 1=up */
		char str[TIPC_MAX_LINK_NAME]; /* link name */
		};

		struct tipc_bearer_config {
		__u32 priority; /* Range [1,31]. Override per link */
		__u32 detect_scope;
		char name[TIPC_MAX_BEARER_NAME];
		};

		struct tipc_link_config {
		__u32 value;
		char name[TIPC_MAX_LINK_NAME];
		};

		#define TIPC_NTQ_ALLTYPES 0x80000000

		struct tipc_name_table_query {
		__u32 depth; /* 1:type, 2:+name info, 3:+port info, 4+:+debug info */
		__u32 type; /* {t,l,u} info ignored if high bit of "depth" is set */
		__u32 lowbound; /* (i.e. displays all entries of name table) */
		__u32 upbound;
		};

		/*
		* The error string TLV is a null-terminated string describing the cause
		* of the request failure. To simplify error processing (and to save space)
		* the first character of the string can be a special error code character
		* (lying by the range 0x80 to 0xFF) which represents a pre-defined reason.
		*/

		#define TIPC_CFG_TLV_ERROR "\x80" /* request contains incorrect TLV(s) */
		#define TIPC_CFG_NOT_NET_ADMIN "\x81" /* must be network administrator */
		#define TIPC_CFG_NOT_ZONE_MSTR "\x82" /* must be zone master */
		#define TIPC_CFG_NO_REMOTE "\x83" /* remote management not enabled */
		#define TIPC_CFG_NOT_SUPPORTED "\x84" /* request is not supported by TIPC */
		#define TIPC_CFG_INVALID_VALUE "\x85" /* request has invalid argument value */

		#if 0
		/* prototypes TLV structures for proposed commands */
		struct tipc_link_create {
		__u32 domain;
		struct tipc_media_addr peer_addr;
		char bearer_name[MAX_BEARER_NAME];
		};

		struct tipc_route_info {
		__u32 dest;
		__u32 router;
		};
		#endif

		/*
		* A TLV consists of a descriptor, followed by the TLV value.
		* TLV descriptor fields are stored in network byte order;
		* TLV values must also be stored in network byte order (where applicable).
		* TLV descriptors must be aligned to addresses which are multiple of 4,
		* so up to 3 bytes of padding may exist at the end of the TLV value area.
		* There must not be any padding between the TLV descriptor and its value.
		*/

		struct tlv_desc {
		__u16 tlv_len; /* TLV length (descriptor + value) */
		__u16 tlv_type; /* TLV identifier */
		};

		#define TLV_ALIGNTO 4

		#define TLV_ALIGN(datalen) (((datalen)+(TLV_ALIGNTO-1)) & ~(TLV_ALIGNTO-1))
		#define TLV_LENGTH(datalen) (sizeof(struct tlv_desc) + (datalen))
		#define TLV_SPACE(datalen) (TLV_ALIGN(TLV_LENGTH(datalen)))
		#define TLV_DATA(tlv) ((void )((char )(tlv) + TLV_LENGTH(0)))

		static inline int TLV_OK(const void *tlv, __u16 space)
		{
		/*
		* Would also like to check that "tlv" is a multiple of 4,
		* but don't know how to do this in a portable way.
		* - Tried doing (!(tlv & (TLV_ALIGNTO-1))), but GCC compiler
		* won't allow binary "&" with a pointer.
		* - Tried casting "tlv" to integer type, but causes warning about size
		* mismatch when pointer is bigger than chosen type (int, long, ...).
		*/

		return (space >= TLV_SPACE(0)) &&
		(ntohs(((struct tlv_desc *)tlv)->tlv_len) <= space);
		}

		static inline int TLV_CHECK(const void *tlv, __u16 space, __u16 exp_type)
		{
		return TLV_OK(tlv, space) &&
		(ntohs(((struct tlv_desc *)tlv)->tlv_type) == exp_type);
		}

		static inline int TLV_SET(void tlv, __u16 type, void data, __u16 len)
		{
		struct tlv_desc *tlv_ptr;
		int tlv_len;

		tlv_len = TLV_LENGTH(len);
		tlv_ptr = (struct tlv_desc *)tlv;
		tlv_ptr->tlv_type = htons(type);
		tlv_ptr->tlv_len = htons(tlv_len);
		if (len && data)
		memcpy(TLV_DATA(tlv_ptr), data, tlv_len);
		return TLV_SPACE(len);
		}

		/*
		* A TLV list descriptor simplifies processing of messages
		* containing multiple TLVs.
		*/

		struct tlv_list_desc {
		struct tlv_desc tlv_ptr; / ptr to current TLV */
		__u32 tlv_space; /* # bytes from curr TLV to list end */
		};

		static inline void TLV_LIST_INIT(struct tlv_list_desc *list,
		void *data, __u32 space)
		{
		list->tlv_ptr = (struct tlv_desc *)data;
		list->tlv_space = space;
		}

		static inline int TLV_LIST_EMPTY(struct tlv_list_desc *list)
		{
		return (list->tlv_space == 0);
		}

		static inline int TLV_LIST_CHECK(struct tlv_list_desc *list, __u16 exp_type)
		{
		return TLV_CHECK(list->tlv_ptr, list->tlv_space, exp_type);
		}

		static inline void TLV_LIST_DATA(struct tlv_list_desc list)
		{
		return TLV_DATA(list->tlv_ptr);
		}

		static inline void TLV_LIST_STEP(struct tlv_list_desc *list)
		{
		__u16 tlv_space = TLV_ALIGN(ntohs(list->tlv_ptr->tlv_len));

		list->tlv_ptr = (struct tlv_desc )((char )list->tlv_ptr + tlv_space);
		list->tlv_space -= tlv_space;
		}

		/*
		* Configuration messages exchanged via NETLINK_GENERIC use the following
		* family id, name, version and command.
		*/
		#define TIPC_GENL_FAMILY 0x222
		#define TIPC_GENL_NAME "TIPC"
		#define TIPC_GENL_VERSION 0x1
		#define TIPC_GENL_CMD 0x1

		/*
		* TIPC specific header used in NETLINK_GENERIC requests.
		*/
		struct tipc_genlmsghdr {
		__u32 dest; /* Destination address */
		__u16 cmd; /* Command */
		__u16 reserved; /* Unused */
		};

		#define TIPC_GENL_HDRLEN NLMSG_ALIGN(sizeof(struct tipc_genlmsghdr))

		/*
		* Configuration messages exchanged via TIPC sockets use the TIPC configuration
		* message header, which is defined below. This structure is analogous
		* to the Netlink message header, but fields are stored in network byte order
		* and no padding is permitted between the header and the message data
		* that follows.
		*/

		struct tipc_cfg_msg_hdr
		{
		__u32 tcm_len; /* Message length (including header) */
		__u16 tcm_type; /* Command type */
		__u16 tcm_flags; /* Additional flags */
		char tcm_reserved[8]; /* Unused */
		};

		#define TCM_F_REQUEST 0x1 /* Flag: Request message */
		#define TCM_F_MORE 0x2 /* Flag: Message to be continued */

		#define TCM_ALIGN(datalen) (((datalen)+3) & ~3)
		#define TCM_LENGTH(datalen) (sizeof(struct tipc_cfg_msg_hdr) + datalen)
		#define TCM_SPACE(datalen) (TCM_ALIGN(TCM_LENGTH(datalen)))
		#define TCM_DATA(tcm_hdr) ((void )((char )(tcm_hdr) + TCM_LENGTH(0)))

		static inline int TCM_SET(void *msg, __u16 cmd, __u16 flags,
		void *data, __u16 data_len)
		{
		struct tipc_cfg_msg_hdr *tcm_hdr;
		int msg_len;

		msg_len = TCM_LENGTH(data_len);
		tcm_hdr = (struct tipc_cfg_msg_hdr *)msg;
		tcm_hdr->tcm_len = htonl(msg_len);
		tcm_hdr->tcm_type = htons(cmd);
		tcm_hdr->tcm_flags = htons(flags);
		if (data_len && data)
		memcpy(TCM_DATA(msg), data, data_len);
		return TCM_SPACE(data_len);
		}

		#endif

include/net/tipc/tipc.h

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include/net/tipc/tipc_bearer.h

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		/*
		* include/net/tipc/tipc_bearer.h: Include file for privileged access to TIPC bearers
		*
		* Copyright (c) 2003-2005, Ericsson Research Canada
		* Copyright (c) 2005, Wind River Systems
		* Copyright (c) 2005-2006, Ericsson AB
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions are met:
		*
		* Redistributions of source code must retain the above copyright notice, this
		* list of conditions and the following disclaimer.
		* Redistributions in binary form must reproduce the above copyright notice,
		* this list of conditions and the following disclaimer in the documentation
		* and/or other materials provided with the distribution.
		* Neither the names of the copyright holders nor the names of its
		* contributors may be used to endorse or promote products derived from this
		* software without specific prior written permission.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
		* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
		* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
		* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
		* POSSIBILITY OF SUCH DAMAGE.
		*/

		#ifndef _NET_TIPC_BEARER_H_
		#define _NET_TIPC_BEARER_H_

		#ifdef __KERNEL__

		#include <linux/tipc.h>
		#include <linux/skbuff.h>
		#include <linux/spinlock.h>

		/**
		* struct tipc_bearer - TIPC bearer info available to privileged users
		* @usr_handle: pointer to additional user-defined information about bearer
		* @mtu: max packet size bearer can support
		* @blocked: non-zero if bearer is blocked
		* @lock: spinlock for controlling access to bearer
		* @addr: media-specific address associated with bearer
		* @name: bearer name (format = media:interface)
		*
		* Note: TIPC initializes "name" and "lock" fields; user is responsible for
		* initialization all other fields when a bearer is enabled.
		*/

		struct tipc_bearer {
		void *usr_handle;
		u32 mtu;
		int blocked;
		spinlock_t lock;
		struct tipc_media_addr addr;
		char name[TIPC_MAX_BEARER_NAME];
		};


		int tipc_register_media(u32 media_type,
		char *media_name,
		int (enable)(struct tipc_bearer ),
		void (disable)(struct tipc_bearer ),
		int (send_msg)(struct sk_buff ,
		struct tipc_bearer *,
		struct tipc_media_addr *),
		char (addr2str)(struct tipc_media_addr *a,
		char *str_buf,
		int str_size),
		struct tipc_media_addr *bcast_addr,
		const u32 bearer_priority,
		const u32 link_tolerance, /* [ms] */
		const u32 send_window_limit);

		void tipc_recv_msg(struct sk_buff buf, struct tipc_bearer tb_ptr);

		int tipc_block_bearer(const char *name);
		void tipc_continue(struct tipc_bearer *tb_ptr);

		int tipc_enable_bearer(const char *bearer_name, u32 bcast_scope, u32 priority);
		int tipc_disable_bearer(const char *name);


		#endif

		#endif

include/net/tipc/tipc_msg.h

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