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author | Per Liden <per.liden@nospam.ericsson.com> | 2006-01-02 18:04:38 (GMT) |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-12 22:06:31 (GMT) |
commit | b97bf3fd8f6a16966d4f18983b2c40993ff937d4 (patch) | |
tree | 59959f8a0f3087455efdcb430846686f303c5991 /net/tipc/zone.h | |
parent | 58cba4650a7a414eabd2b40cc9d8e45fcdf192d9 (diff) | |
download | linux-b97bf3fd8f6a16966d4f18983b2c40993ff937d4.tar.xz |
[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>
Diffstat (limited to 'net/tipc/zone.h')
-rw-r--r-- | net/tipc/zone.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/net/tipc/zone.h b/net/tipc/zone.h new file mode 100644 index 0000000..19fd51a --- /dev/null +++ b/net/tipc/zone.h @@ -0,0 +1,68 @@ +/* + * net/tipc/zone.h: Include file for TIPC zone management routines + * + * 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_ZONE_H +#define _TIPC_ZONE_H + +#include "node_subscr.h" +#include "net.h" + + +/** + * struct _zone - TIPC zone structure + * @addr: network address of zone + * @clusters: array of pointers to all clusters within zone + * @links: (used for inter-zone communication) + */ + +struct _zone { + u32 addr; + struct cluster *clusters[2]; /* currently limited to just 1 cluster */ + u32 links; +}; + +struct node *zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref); +u32 zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref); +void zone_remove_as_router(struct _zone *z_ptr, u32 router); +void zone_send_external_routes(struct _zone *z_ptr, u32 dest); +struct _zone *zone_create(u32 addr); +void zone_delete(struct _zone *z_ptr); +void zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr); +u32 zone_next_node(u32 addr); + +static inline struct _zone *zone_find(u32 addr) +{ + return net.zones[tipc_zone(addr)]; +} + +#endif |