diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
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+++ b/net/tipc/bearer.h
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+/*
+ * net/tipc/bearer.h: Include file for TIPC bearer code
+ * 
+ * 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 _TIPC_BEARER_H
+#define _TIPC_BEARER_H
+
+#include <net/tipc/tipc_bearer.h>
+#include "bcast.h"
+
+#define MAX_BEARERS 8
+#define MAX_MEDIA 4
+
+
+/**
+ * struct media - TIPC media information available to internal users
+ * @send_msg: routine which handles buffer transmission
+ * @enable_bearer: routine which enables a bearer
+ * @disable_bearer: routine which disables a bearer
+ * @addr2str: routine which converts bearer's address to string form
+ * @bcast_addr: media address used in broadcasting
+ * @bcast: non-zero if media supports broadcasting [currently mandatory]
+ * @priority: default link (and bearer) priority
+ * @tolerance: default time (in ms) before declaring link failure
+ * @window: default window (in packets) before declaring link congestion
+ * @type_id: TIPC media identifier [defined in tipc_bearer.h]
+ * @name: media name
+ */
+ 
+struct media {
+	int (*send_msg)(struct sk_buff *buf, 
+			struct tipc_bearer *b_ptr,
+			struct tipc_media_addr *dest);
+	int (*enable_bearer)(struct tipc_bearer *b_ptr);
+	void (*disable_bearer)(struct tipc_bearer *b_ptr);
+	char *(*addr2str)(struct tipc_media_addr *a, 
+			  char *str_buf, int str_size);
+	struct tipc_media_addr bcast_addr;
+	int bcast;
+	u32 priority;
+	u32 tolerance;
+	u32 window;
+	u32 type_id;
+	char name[TIPC_MAX_MEDIA_NAME];
+};
+
+/**
+ * struct bearer - TIPC bearer information available to internal users
+ * @publ: bearer information available to privileged users
+ * @media: ptr to media structure associated with bearer
+ * @priority: default link priority for bearer
+ * @detect_scope: network address mask used during automatic link creation
+ * @identity: array index of this bearer within TIPC bearer array
+ * @link_req: ptr to (optional) structure making periodic link setup requests
+ * @links: list of non-congested links associated with bearer
+ * @cong_links: list of congested links associated with bearer
+ * @continue_count: # of times bearer has resumed after congestion or blocking
+ * @active: non-zero if bearer structure is represents a bearer
+ * @net_plane: network plane ('A' through 'H') currently associated with bearer
+ * @nodes: indicates which nodes in cluster can be reached through bearer
+ */
+ 
+struct bearer {
+	struct tipc_bearer publ;
+	struct media *media;
+	u32 priority;
+	u32 detect_scope;
+	u32 identity;
+	struct link_req *link_req;
+	struct list_head links;
+	struct list_head cong_links;
+	u32 continue_count;
+	int active;
+	char net_plane;
+	struct node_map nodes;
+};
+
+struct bearer_name {
+	char media_name[TIPC_MAX_MEDIA_NAME];
+	char if_name[TIPC_MAX_IF_NAME];
+};
+
+struct link;
+
+extern struct bearer *bearers;
+
+void media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a);
+struct sk_buff *media_get_names(void);
+
+struct sk_buff *bearer_get_names(void);
+void bearer_add_dest(struct bearer *b_ptr, u32 dest);
+void bearer_remove_dest(struct bearer *b_ptr, u32 dest);
+void bearer_schedule(struct bearer *b_ptr, struct link *l_ptr);
+struct bearer *bearer_find_interface(const char *if_name);
+int bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr);
+int bearer_init(void);
+void bearer_stop(void);
+int bearer_broadcast(struct sk_buff *buf, struct tipc_bearer *b_ptr,
+		     struct tipc_media_addr *dest);
+void bearer_lock_push(struct bearer *b_ptr);
+
+
+/**
+ * bearer_send- sends buffer to destination over bearer 
+ * 
+ * Returns true (1) if successful, or false (0) if unable to send
+ * 
+ * IMPORTANT:
+ * The media send routine must not alter the buffer being passed in
+ * as it may be needed for later retransmission!
+ * 
+ * If the media send routine returns a non-zero value (indicating that 
+ * it was unable to send the buffer), it must:
+ *   1) mark the bearer as blocked,
+ *   2) call tipc_continue() once the bearer is able to send again.
+ * Media types that are unable to meet these two critera must ensure their
+ * send routine always returns success -- even if the buffer was not sent --
+ * and let TIPC's link code deal with the undelivered message. 
+ */
+
+static inline int bearer_send(struct bearer *b_ptr, struct sk_buff *buf,
+			      struct tipc_media_addr *dest)
+{
+	return !b_ptr->media->send_msg(buf, &b_ptr->publ, dest);
+}
+
+/**
+ * bearer_congested - determines if bearer is currently congested
+ */
+
+static inline int bearer_congested(struct bearer *b_ptr, struct link *l_ptr)
+{
+	if (unlikely(b_ptr->publ.blocked))
+		return 1;
+	if (likely(list_empty(&b_ptr->cong_links)))
+		return 0;
+	return !bearer_resolve_congestion(b_ptr, l_ptr);
+}
+
+#endif