diff packages/net/tcpip/current/include/machine/param.h @ 97:ced4577552cd ecos-sw-2000-06-06

Merge from eCos master repository on 2000-06-06-08:44:00-BST
author jlarmour
date Tue, 06 Jun 2000 08:39:36 +0000
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children 02ea4320376c
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+//==========================================================================
+//
+//      include/machine/param.h
+//
+//      Architecture/platform specific parameters
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//####BSDCOPYRIGHTBEGIN####
+//
+// -------------------------------------------
+//
+// Portions of this software may have been derived from OpenBSD or other sources,
+// and are covered by the appropriate copyright disclaimers included herein.
+//
+// -------------------------------------------
+//
+//####BSDCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#ifndef _MACHINE_PARAM_H_
+#define _MACHINE_PARAM_H_
+
+#include <pkgconf/net.h>
+
+/*
+ * Constants related to network buffer management.
+ * MCLBYTES must be no larger than CLBYTES (the software page size), and,
+ * on machines that exchange pages of input or output buffers with mbuf
+ * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
+ * of the hardware page size.
+ */
+#define MSIZE           128             /* size of an mbuf */
+#define MCLSHIFT        11              /* convert bytes to m_buf clusters */
+#define MCLBYTES        (1 << MCLSHIFT) /* size of a m_buf cluster */
+#define MCLOFSET        (MCLBYTES - 1)  /* offset within a m_buf cluster */
+#define CLBYTES         4096            /* size of actual cluster */
+
+/*
+ * Round p (pointer or byte index) up to a correctly-aligned value
+ * for all data types (int, long, ...).   The result is u_int and
+ * must be cast to any desired pointer type.
+ */
+#define ALIGNBYTES      (sizeof(int) - 1)
+#define ALIGN(p)        (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+
+// These symbols are used in the IPV6 stuff
+#define __linux__   0
+#define __bsdi__    0
+#define __FreeBSD__ 0
+#define __OpenBSD__ 1
+#define __NetBSD__  0
+
+// These definitions here to avoid needing <sys/systm.h>
+// This probably doesn't belong here, but we need these definitions
+#include <lib/libkern/libkern.h>
+#define SCARG(p,k)      ((p)->k.datum)  /* get arg from args pointer */
+#include <stdarg.h>
+
+// TEMP
+
+#include <cyg/infra/diag.h>
+#include <cyg/hal/hal_intr.h>
+#include <cyg/kernel/kapi.h>
+#include <cyg/io/file.h>
+
+struct net_stats {
+    int              count;
+    cyg_uint32       min_time, max_time, total_time;
+};
+
+#define START_STATS()                                   \
+    cyg_uint32 start_time, end_time, elapsed_time;      \
+    HAL_CLOCK_READ(&start_time);
+#define FINISH_STATS(stats)                                                             \
+    HAL_CLOCK_READ(&end_time);                                                          \
+    if (end_time < start_time) {                                                        \
+        elapsed_time = (end_time+CYGNUM_KERNEL_COUNTERS_RTC_PERIOD) - start_time;       \
+    } else {                                                                            \
+        elapsed_time = end_time - start_time;                                           \
+    }                                                                                   \
+    if (stats.min_time == 0) {                                                          \
+        stats.min_time = 0x7FFFFFFF;                                                    \
+    }                                                                                   \
+    if (elapsed_time < stats.min_time)                                                  \
+        stats.min_time = elapsed_time;                                                  \
+    if (elapsed_time > stats.max_time)                                                  \
+        stats.max_time = elapsed_time;                                                  \
+    stats.total_time += elapsed_time;                                                   \
+    stats.count++;
+
+// timeout support
+typedef void (timeout_fun)(void *);
+extern cyg_uint32 timeout(timeout_fun *fun, void *arg, cyg_int32 delta);
+
+extern int uiomove(caddr_t cp, int n, struct uio *uio);
+extern int copyout(const void *s, void *d, size_t len);
+extern int copyin(const void *s, void *d, size_t len);
+extern void ovbcopy(const void *s, void *d, size_t len);
+extern void get_mono_time(void);
+extern int arc4random(void);
+extern void get_random_bytes(void *buf, size_t len);
+
+extern void *hashinit(int elements, int type, int flags, u_long *hashmask);
+
+#endif // _MACHINE_PARAM_H_