[TIPC] Initial merge

TIPC (Transparent Inter Process Communication) is a protocol designed for
intra cluster communication. For more information see
http://tipc.sourceforge.net

Signed-off-by: Per Liden <per.liden@nospam.ericsson.com>

6 files changed, 1273 insertions, 0 deletions

diff --git a/include/linux/socket.h b/include/linux/socket.h
index 9f4019156fd8..b02dda4ee83d 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -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
diff --git a/include/linux/tipc.h b/include/linux/tipc.h
new file mode 100644
index 000000000000..ca754f3317f2
--- /dev/null
+++ b/include/linux/tipc.h
@@ -0,0 +1,598 @@
+/*
+ * 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
diff --git a/include/net/tipc/tipc.h b/include/net/tipc/tipc.h
new file mode 100644
index 000000000000..1d4d8d0701e3
--- /dev/null
+++ b/include/net/tipc/tipc.h
@@ -0,0 +1,255 @@
+/*
+ * include/net/tipc/tipc.h: Main 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 _NET_TIPC_H_
+#define _NET_TIPC_H_
+
+#ifdef __KERNEL__
+
+#include <linux/tipc.h>
+#include <linux/skbuff.h>
+
+/* 
+ * Native API
+ * ----------
+ */
+
+/*
+ * TIPC operating mode routines
+ */
+
+u32 tipc_get_addr(void);
+
+#define TIPC_NOT_RUNNING  0
+#define TIPC_NODE_MODE    1
+#define TIPC_NET_MODE     2
+
+typedef void (*tipc_mode_event)(void *usr_handle, int mode, u32 addr);
+
+int tipc_attach(unsigned int *userref, tipc_mode_event, void *usr_handle);
+
+void tipc_detach(unsigned int userref);
+
+int tipc_get_mode(void);
+
+/*
+ * TIPC port manipulation routines
+ */
+
+typedef void (*tipc_msg_err_event) (void *usr_handle,
+                                    u32 portref,
+                                    struct sk_buff **buf,
+                                    unsigned char const *data,
+                                    unsigned int size,
+                                    int reason, 
+                                    struct tipc_portid const *attmpt_destid);
+
+typedef void (*tipc_named_msg_err_event) (void *usr_handle,
+                                          u32 portref,
+                                          struct sk_buff **buf,
+                                          unsigned char const *data,
+                                          unsigned int size,
+                                          int reason, 
+                                          struct tipc_name_seq const *attmpt_dest);
+
+typedef void (*tipc_conn_shutdown_event) (void *usr_handle,
+                                          u32 portref,
+                                          struct sk_buff **buf,
+                                          unsigned char const *data,
+                                          unsigned int size,
+                                          int reason);
+
+typedef void (*tipc_msg_event) (void *usr_handle,
+                                u32 portref,
+                                struct sk_buff **buf,
+                                unsigned char const *data,
+                                unsigned int size,
+                                unsigned int importance, 
+                                struct tipc_portid const *origin);
+
+typedef void (*tipc_named_msg_event) (void *usr_handle,
+                                      u32 portref,
+                                      struct sk_buff **buf,
+                                      unsigned char const *data,
+                                      unsigned int size,
+                                      unsigned int importance, 
+                                      struct tipc_portid const *orig,
+                                      struct tipc_name_seq const *dest);
+
+typedef void (*tipc_conn_msg_event) (void *usr_handle,
+                                     u32 portref,
+                                     struct sk_buff **buf,
+                                     unsigned char const *data,
+                                     unsigned int size);
+
+typedef void (*tipc_continue_event) (void *usr_handle, 
+                                     u32 portref);
+
+int tipc_createport(unsigned int tipc_user, 
+                    void *usr_handle, 
+                    unsigned int importance, 
+                    tipc_msg_err_event error_cb, 
+                    tipc_named_msg_err_event named_error_cb, 
+                    tipc_conn_shutdown_event conn_error_cb, 
+                    tipc_msg_event message_cb, 
+                    tipc_named_msg_event named_message_cb, 
+                    tipc_conn_msg_event conn_message_cb, 
+                    tipc_continue_event continue_event_cb,/* May be zero */
+                    u32 *portref);
+
+int tipc_deleteport(u32 portref);
+
+int tipc_ownidentity(u32 portref, struct tipc_portid *port);
+
+int tipc_portimportance(u32 portref, unsigned int *importance);
+int tipc_set_portimportance(u32 portref, unsigned int importance);
+
+int tipc_portunreliable(u32 portref, unsigned int *isunreliable);
+int tipc_set_portunreliable(u32 portref, unsigned int isunreliable);
+
+int tipc_portunreturnable(u32 portref, unsigned int *isunreturnable);
+int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable);
+
+int tipc_publish(u32 portref, unsigned int scope, 
+                 struct tipc_name_seq const *name_seq);
+int tipc_withdraw(u32 portref, unsigned int scope,
+                  struct tipc_name_seq const *name_seq); /* 0: all */
+
+int tipc_connect2port(u32 portref, struct tipc_portid const *port);
+
+int tipc_disconnect(u32 portref);
+
+int tipc_shutdown(u32 ref); /* Sends SHUTDOWN msg */
+
+int tipc_isconnected(u32 portref, int *isconnected);
+
+int tipc_peer(u32 portref, struct tipc_portid *peer);
+
+int tipc_ref_valid(u32 portref); 
+
+/*
+ * TIPC messaging routines
+ */
+
+#define TIPC_PORT_IMPORTANCE 100        /* send using current port setting */
+
+
+int tipc_send(u32 portref,
+              unsigned int num_sect,
+              struct iovec const *msg_sect);
+
+int tipc_send_buf(u32 portref,
+                  struct sk_buff *buf,
+                  unsigned int dsz);
+
+int tipc_send2name(u32 portref, 
+                   struct tipc_name const *name, 
+                   u32 domain,  /* 0:own zone */
+                   unsigned int num_sect,
+                   struct iovec const *msg_sect);
+
+int tipc_send_buf2name(u32 portref,
+                       struct tipc_name const *name,
+                       u32 domain,
+                       struct sk_buff *buf,
+                       unsigned int dsz);
+
+int tipc_forward2name(u32 portref, 
+                      struct tipc_name const *name, 
+                      u32 domain,   /*0: own zone */
+                      unsigned int section_count,
+                      struct iovec const *msg_sect,
+                      struct tipc_portid const *origin,
+                      unsigned int importance);
+
+int tipc_forward_buf2name(u32 portref,
+                          struct tipc_name const *name,
+                          u32 domain,
+                          struct sk_buff *buf,
+                          unsigned int dsz,
+                          struct tipc_portid const *orig,
+                          unsigned int importance);
+
+int tipc_send2port(u32 portref,
+                   struct tipc_portid const *dest,
+                   unsigned int num_sect,
+                   struct iovec const *msg_sect);
+
+int tipc_send_buf2port(u32 portref,
+                       struct tipc_portid const *dest,
+                       struct sk_buff *buf,
+                       unsigned int dsz);
+
+int tipc_forward2port(u32 portref,
+                      struct tipc_portid const *dest,
+                      unsigned int num_sect,
+                      struct iovec const *msg_sect,
+                      struct tipc_portid const *origin,
+                      unsigned int importance);
+
+int tipc_forward_buf2port(u32 portref,
+                          struct tipc_portid const *dest,
+                          struct sk_buff *buf,
+                          unsigned int dsz,
+                          struct tipc_portid const *orig,
+                          unsigned int importance);
+
+int tipc_multicast(u32 portref, 
+                   struct tipc_name_seq const *seq, 
+                   u32 domain,  /* 0:own zone */
+                   unsigned int section_count,
+                   struct iovec const *msg);
+
+#if 0
+int tipc_multicast_buf(u32 portref, 
+                       struct tipc_name_seq const *seq, 
+                       u32 domain,      /* 0:own zone */
+                       void *buf,
+                       unsigned int size);
+#endif
+
+/*
+ * TIPC subscription routines
+ */
+
+int tipc_ispublished(struct tipc_name const *name);
+
+/*
+ * Get number of available nodes within specified domain (excluding own node)
+ */
+
+unsigned int tipc_available_nodes(const u32 domain);
+
+#endif
+
+#endif
diff --git a/include/net/tipc/tipc_bearer.h b/include/net/tipc/tipc_bearer.h
new file mode 100644
index 000000000000..a3daf697b6b6
--- /dev/null
+++ b/include/net/tipc/tipc_bearer.h
@@ -0,0 +1,92 @@
+/*
+ * 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
diff --git a/include/net/tipc/tipc_msg.h b/include/net/tipc/tipc_msg.h
new file mode 100644
index 000000000000..78513f5236bb
--- /dev/null
+++ b/include/net/tipc/tipc_msg.h
@@ -0,0 +1,220 @@
+/*
+ * include/net/tipc/tipc_msg.h: Include file for privileged access to TIPC message headers
+ * 
+ * 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_MSG_H_
+#define _NET_TIPC_MSG_H_
+
+#ifdef __KERNEL__
+
+struct tipc_msg {
+        u32 hdr[15];
+};
+
+
+/*
+                TIPC user data message header format, version 2:
+
+
+       1 0 9 8 7 6 5 4|3 2 1 0 9 8 7 6|5 4 3 2 1 0 9 8|7 6 5 4 3 2 1 0 
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w0:|vers | user  |hdr sz |n|d|s|-|          message size           |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w1:|mstyp| error |rer cnt|lsc|opt p|      broadcast ack no         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w2:|        link level ack no      |   broadcast/link level seq no |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w3:|                       previous node                           |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w4:|                      originating port                         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w5:|                      destination port                         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+    
+   w6:|                      originating node                         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w7:|                      destination node                         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w8:|            name type / transport sequence number              |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   w9:|              name instance/multicast lower bound              |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+    
+   wA:|                    multicast upper bound                      |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+    
+      /                                                               /
+      \                           options                             \
+      /                                                               /
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+#define TIPC_CONN_MSG   0
+#define TIPC_MCAST_MSG  1
+#define TIPC_NAMED_MSG  2
+#define TIPC_DIRECT_MSG 3
+
+
+static inline u32 msg_word(struct tipc_msg *m, u32 pos)
+{
+        return ntohl(m->hdr[pos]);
+}
+
+static inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask)
+{
+        return (msg_word(m, w) >> pos) & mask;
+}
+
+static inline u32 msg_importance(struct tipc_msg *m)
+{
+        return msg_bits(m, 0, 25, 0xf);
+}
+
+static inline u32 msg_hdr_sz(struct tipc_msg *m)
+{
+        return msg_bits(m, 0, 21, 0xf) << 2;
+}
+
+static inline int msg_short(struct tipc_msg *m)
+{
+        return (msg_hdr_sz(m) == 24);
+}
+
+static inline u32 msg_size(struct tipc_msg *m)
+{
+        return msg_bits(m, 0, 0, 0x1ffff);
+}
+
+static inline u32 msg_data_sz(struct tipc_msg *m)
+{
+        return (msg_size(m) - msg_hdr_sz(m));
+}
+
+static inline unchar *msg_data(struct tipc_msg *m)
+{
+        return ((unchar *)m) + msg_hdr_sz(m);
+}
+
+static inline u32 msg_type(struct tipc_msg *m)
+{
+        return msg_bits(m, 1, 29, 0x7);
+}
+
+static inline u32 msg_direct(struct tipc_msg *m)
+{
+        return (msg_type(m) == TIPC_DIRECT_MSG);
+}
+
+static inline u32 msg_named(struct tipc_msg *m)
+{
+        return (msg_type(m) == TIPC_NAMED_MSG);
+}
+
+static inline u32 msg_mcast(struct tipc_msg *m)
+{
+        return (msg_type(m) == TIPC_MCAST_MSG);
+}
+
+static inline u32 msg_connected(struct tipc_msg *m)
+{
+        return (msg_type(m) == TIPC_CONN_MSG);
+}
+
+static inline u32 msg_errcode(struct tipc_msg *m)
+{
+        return msg_bits(m, 1, 25, 0xf);
+}
+
+static inline u32 msg_prevnode(struct tipc_msg *m)
+{
+        return msg_word(m, 3);
+}
+
+static inline u32 msg_origport(struct tipc_msg *m)
+{
+        return msg_word(m, 4);
+}
+
+static inline u32 msg_destport(struct tipc_msg *m)
+{
+        return msg_word(m, 5);
+}
+
+static inline u32 msg_mc_netid(struct tipc_msg *m)
+{
+        return msg_word(m, 5);
+}
+
+static inline u32 msg_orignode(struct tipc_msg *m)
+{
+        if (likely(msg_short(m)))
+                return msg_prevnode(m);
+        return msg_word(m, 6);
+}
+
+static inline u32 msg_destnode(struct tipc_msg *m)
+{
+        return msg_word(m, 7);
+}
+
+static inline u32 msg_nametype(struct tipc_msg *m)
+{
+        return msg_word(m, 8);
+}
+
+static inline u32 msg_nameinst(struct tipc_msg *m)
+{
+        return msg_word(m, 9);
+}
+
+static inline u32 msg_namelower(struct tipc_msg *m)
+{
+        return msg_nameinst(m);
+}
+
+static inline u32 msg_nameupper(struct tipc_msg *m)
+{
+        return msg_word(m, 10);
+}
+
+static inline char *msg_options(struct tipc_msg *m, u32 *len)
+{
+        u32 pos = msg_bits(m, 1, 16, 0x7);
+
+        if (!pos)
+                return 0;
+        pos = (pos * 4) + 28;
+        *len = msg_hdr_sz(m) - pos;
+        return (char *)&m->hdr[pos/4];
+}
+
+#endif
+
+#endif
diff --git a/include/net/tipc/tipc_port.h b/include/net/tipc/tipc_port.h
new file mode 100644
index 000000000000..ec0f0de7f0e2
--- /dev/null
+++ b/include/net/tipc/tipc_port.h
@@ -0,0 +1,105 @@
+/*
+ * include/net/tipc/tipc_port.h: Include file for privileged access to TIPC ports
+ * 
+ * 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_PORT_H_
+#define _NET_TIPC_PORT_H_
+
+#ifdef __KERNEL__
+
+#include <linux/tipc.h>
+#include <linux/skbuff.h>
+#include <net/tipc/tipc_msg.h>
+
+#define TIPC_FLOW_CONTROL_WIN 512
+
+/**
+ * struct tipc_port - native TIPC port info available to privileged users
+ * @usr_handle: pointer to additional user-defined information about port
+ * @lock: pointer to spinlock for controlling access to port
+ * @connected: non-zero if port is currently connected to a peer port
+ * @conn_type: TIPC type used when connection was established
+ * @conn_instance: TIPC instance used when connection was established
+ * @conn_unacked: number of unacknowledged messages received from peer port
+ * @published: non-zero if port has one or more associated names
+ * @congested: non-zero if cannot send because of link or port congestion
+ * @ref: unique reference to port in TIPC object registry
+ * @phdr: preformatted message header used when sending messages
+ */
+
+struct tipc_port {
+        void *usr_handle;
+        spinlock_t *lock;
+        int connected;
+        u32 conn_type;
+        u32 conn_instance;
+        u32 conn_unacked;
+        int published;
+        u32 congested;
+        u32 ref;
+        struct tipc_msg phdr;
+};
+
+
+/**
+ * tipc_createport_raw - create a native TIPC port and return it's reference
+ *
+ * Note: 'dispatcher' and 'wakeup' deliver a locked port.
+ */
+
+u32 tipc_createport_raw(void *usr_handle,
+                        u32 (*dispatcher)(struct tipc_port *, struct sk_buff *),
+                        void (*wakeup)(struct tipc_port *),
+                        const u32 importance);
+
+/*
+ * tipc_set_msg_option(): port must be locked.
+ */
+int tipc_set_msg_option(struct tipc_port *tp_ptr,
+                        const char *opt,
+                        const u32 len);
+
+int tipc_reject_msg(struct sk_buff *buf, u32 err);
+
+int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode);
+
+void tipc_acknowledge(u32 port_ref,u32 ack);
+
+struct tipc_port *tipc_get_port(const u32 ref);
+
+void *tipc_get_handle(const u32 ref);
+
+
+#endif
+
+#endif
+