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59247ca2fd
This patch removes ancient VCS tags (either protected by #ifdef SCCS_LABELS or commented out). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
102 lines
3.9 KiB
C
102 lines
3.9 KiB
C
/****************************************************************************
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******* *******
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******* R O U T E H E A D E R
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******* *******
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****************************************************************************
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Author : Ian Nandhra / Jeremy Rolls
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Date :
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*
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* (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Version : 0.01
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Mods
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----------------------------------------------------------------------------
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Date By Description
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----------------------------------------------------------------------------
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***************************************************************************/
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#ifndef _route_h
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#define _route_h
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#define MAX_LINKS 4
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#define MAX_NODES 17 /* Maximum nodes in a subnet */
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#define NODE_BYTES ((MAX_NODES / 8) + 1) /* Number of bytes needed for
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1 bit per node */
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#define ROUTE_DATA_SIZE (NODE_BYTES + 2) /* Number of bytes for complete
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info about cost etc. */
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#define ROUTES_PER_PACKET ((PKT_MAX_DATA_LEN -2)/ ROUTE_DATA_SIZE)
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/* Number of nodes we can squeeze
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into one packet */
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#define MAX_TOPOLOGY_PACKETS (MAX_NODES / ROUTES_PER_PACKET + 1)
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/************************************************
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* Define the types of command for the ROUTE RUP.
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************************************************/
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#define ROUTE_REQUEST 0 /* Request an ID */
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#define ROUTE_FOAD 1 /* Kill the RTA */
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#define ROUTE_ALREADY 2 /* ID given already */
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#define ROUTE_USED 3 /* All ID's used */
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#define ROUTE_ALLOCATE 4 /* Here it is */
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#define ROUTE_REQ_TOP 5 /* I bet you didn't expect....
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the Topological Inquisition */
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#define ROUTE_TOPOLOGY 6 /* Topology request answered FD */
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/*******************************************************************
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* Define the Route Map Structure
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*
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* The route map gives a pointer to a Link Structure to use.
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* This allows Disconnected Links to be checked quickly
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******************************************************************/
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typedef struct COST_ROUTE COST_ROUTE;
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struct COST_ROUTE {
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unsigned char cost; /* Cost down this link */
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unsigned char route[NODE_BYTES]; /* Nodes thorough this route */
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};
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typedef struct ROUTE_STR ROUTE_STR;
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struct ROUTE_STR {
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COST_ROUTE cost_route[MAX_LINKS];
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/* cost / route for this link */
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ushort favoured; /* favoured link */
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};
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#define NO_LINK (short) 5 /* Link unattached */
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#define ROUTE_NO_ID (short) 100 /* No Id */
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#define ROUTE_DISCONNECT (ushort) 0xff /* Not connected */
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#define ROUTE_INTERCONNECT (ushort) 0x40 /* Sub-net interconnect */
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#define SYNC_RUP (ushort) 255
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#define COMMAND_RUP (ushort) 254
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#define ERROR_RUP (ushort) 253
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#define POLL_RUP (ushort) 252
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#define BOOT_RUP (ushort) 251
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#define ROUTE_RUP (ushort) 250
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#define STATUS_RUP (ushort) 249
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#define POWER_RUP (ushort) 248
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#define HIGHEST_RUP (ushort) 255 /* Set to Top one */
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#define LOWEST_RUP (ushort) 248 /* Set to bottom one */
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#endif
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/*********** end of file ***********/
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