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74769abfcb
Strip some of the typedef mess out Remove a small subset of unused defines and the like. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/****************************************************************************
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******* *******
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******* P A C K E T H E A D E R F I L E
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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 _pkt_h
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#define _pkt_h 1
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#define PKT_CMD_BIT ((ushort) 0x080)
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#define PKT_CMD_DATA ((ushort) 0x080)
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#define PKT_ACK ((ushort) 0x040)
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#define PKT_TGL ((ushort) 0x020)
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#define PKT_LEN_MASK ((ushort) 0x07f)
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#define DATA_WNDW ((ushort) 0x10)
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#define PKT_TTL_MASK ((ushort) 0x0f)
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#define PKT_MAX_DATA_LEN 72
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#define PKT_LENGTH sizeof(struct PKT)
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#define SYNC_PKT_LENGTH (PKT_LENGTH + 4)
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#define CONTROL_PKT_LEN_MASK PKT_LEN_MASK
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#define CONTROL_PKT_CMD_BIT PKT_CMD_BIT
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#define CONTROL_PKT_ACK (PKT_ACK << 8)
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#define CONTROL_PKT_TGL (PKT_TGL << 8)
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#define CONTROL_PKT_TTL_MASK (PKT_TTL_MASK << 8)
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#define CONTROL_DATA_WNDW (DATA_WNDW << 8)
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struct PKT {
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u8 dest_unit; /* Destination Unit Id */
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u8 dest_port; /* Destination POrt */
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u8 src_unit; /* Source Unit Id */
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u8 src_port; /* Source POrt */
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u8 len;
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u8 control;
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u8 data[PKT_MAX_DATA_LEN];
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/* Actual data :-) */
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u16 csum; /* C-SUM */
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};
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#endif
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/*********** end of file ***********/
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