patch-2.3.99-pre7 linux/drivers/char/rio/pkt.h

• Lines: 121
• Date: Wed May 10 16:56:44 2000
• Orig file: v2.3.99-pre6/linux/drivers/char/rio/pkt.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre6/linux/drivers/char/rio/pkt.h linux/drivers/char/rio/pkt.h
@@ -0,0 +1,120 @@
+/****************************************************************************
+ *******                                                              *******
+ *******            P A C K E T   H E A D E R   F I L E
+ *******                                                              *******
+ ****************************************************************************
+
+ Author  : Ian Nandhra / Jeremy Rolls
+ Date    :
+
+ *
+ *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation; either version 2 of the License, or
+ *      (at your option) any later version.
+ *
+ *      This program is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ *
+ *      You should have received a copy of the GNU General Public License
+ *      along with this program; if not, write to the Free Software
+ *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ Version : 0.01
+
+
+                            Mods
+ ----------------------------------------------------------------------------
+  Date     By                Description
+ ----------------------------------------------------------------------------
+
+ ***************************************************************************/
+
+#ifndef _pkt_h
+#define _pkt_h 1
+
+
+#ifdef SCCS_LABELS
+#ifndef lint
+/* static char *_rio_pkt_h_sccs = "@(#)pkt.h	1.8"; */
+#endif
+#endif
+
+#define MAX_TTL         0xf
+#define PKT_CMD_BIT     ((ushort) 0x080)
+#define PKT_CMD_DATA    ((ushort) 0x080)
+
+#define PKT_ACK         ((ushort) 0x040)
+
+#define PKT_TGL         ((ushort) 0x020)
+
+#define PKT_LEN_MASK    ((ushort) 0x07f)
+
+#define DATA_WNDW       ((ushort) 0x10)
+#define PKT_TTL_MASK    ((ushort) 0x0f)
+
+#define PKT_MAX_DATA_LEN   72
+
+#define PKT_LENGTH         sizeof(struct PKT)
+#define SYNC_PKT_LENGTH    (PKT_LENGTH + 4)
+
+#define CONTROL_PKT_LEN_MASK PKT_LEN_MASK
+#define CONTROL_PKT_CMD_BIT  PKT_CMD_BIT
+#define CONTROL_PKT_ACK (PKT_ACK << 8)
+#define CONTROL_PKT_TGL (PKT_TGL << 8)
+#define CONTROL_PKT_TTL_MASK (PKT_TTL_MASK << 8)
+#define CONTROL_DATA_WNDW  (DATA_WNDW << 8)
+
+struct PKT    {
+#ifdef INKERNEL
+                   BYTE    dest_unit ;    /* Destination Unit Id */
+                   BYTE    dest_port ;    /* Destination POrt */
+                   BYTE    src_unit ;     /* Source Unit Id */
+                   BYTE    src_port ;     /* Source POrt */
+#else
+                   union       
+                   {
+                       ushort destination;         /* Complete destination */
+                       struct
+                       {
+                           unsigned char unit;     /* Destination unit */
+                           unsigned char port;     /* Destination port */
+                       } s1;
+                   } u1;
+                   union       
+                   {
+                       ushort source;              /* Complete source */
+                       struct
+                       {
+                           unsigned char unit;     /* Source unit */
+                           unsigned char port;     /* Source port */
+                       } s2;
+                   } u2;
+#endif
+#ifdef INKERNEL
+                   BYTE len ;
+                   BYTE control;
+#else
+                   union
+                   {
+                        ushort      control;
+                        struct
+                        {
+                            unsigned char len;
+                            unsigned char control;
+                        } s3;
+                    } u3;
+#endif
+                   BYTE    data[PKT_MAX_DATA_LEN] ;     
+                                                   /* Actual data :-) */
+                   WORD  csum ;                  /* C-SUM */
+               } ;
+#endif
+
+/*********** end of file ***********/
+
+