Mercurial > flash_v2
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 |
| parents | |
| children | 02ea4320376c |
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new file mode 100644 --- /dev/null +++ b/packages/net/tcpip/current/include/machine/param.h @@ -0,0 +1,141 @@ +//========================================================================== +// +// 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_
