Mercurial > flash_v2

annotate packages/net/tcpip/current/include/machine/param.h @ 112:02ea4320376c ecos-sw-2000-07-21

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Merge from eCos master repository on 2000-07-21-21:01:39-BST
author jlarmour
date Fri, 21 Jul 2000 21:34:11 +0000
parents ced4577552cd
children 920b9b754b53
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1 //==========================================================================
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2 //
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3 // include/machine/param.h
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4 //
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5 // Architecture/platform specific parameters
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //####BSDCOPYRIGHTBEGIN####
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32 //
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33 // -------------------------------------------
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34 //
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35 // Portions of this software may have been derived from OpenBSD or other sources,
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36 // and are covered by the appropriate copyright disclaimers included herein.
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37 //
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38 // -------------------------------------------
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39 //
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40 //####BSDCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): gthomas
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45 // Contributors: gthomas
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46 // Date: 2000-01-10
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47 // Purpose:
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48 // Description:
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49 //
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55
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56 #ifndef _MACHINE_PARAM_H_
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57 #define _MACHINE_PARAM_H_
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58
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59 #include <pkgconf/net.h>
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60
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61 /*
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62 * Constants related to network buffer management.
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63 * MCLBYTES must be no larger than CLBYTES (the software page size), and,
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64 * on machines that exchange pages of input or output buffers with mbuf
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65 * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
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66 * of the hardware page size.
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67 */
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68 #define MSIZE 128 /* size of an mbuf */
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69 #define MCLSHIFT 11 /* convert bytes to m_buf clusters */
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70 #define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */
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71 #define MCLOFSET (MCLBYTES - 1) /* offset within a m_buf cluster */
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72 #define CLBYTES 4096 /* size of actual cluster */
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73
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74 /*
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75 * Round p (pointer or byte index) up to a correctly-aligned value
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76 * for all data types (int, long, ...). The result is u_int and
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77 * must be cast to any desired pointer type.
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78 */
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79 #define ALIGNBYTES (sizeof(int) - 1)
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80 #define ALIGN(p) (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
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81
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82 // These symbols are used in the IPV6 stuff
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83 // (be more defensive about external setup)
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84 #ifdef __linux__
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85 #undef __linux__
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86 #endif
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87 #ifdef __bsdi__
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88 #undef __bsdi__
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89 #endif
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90 #ifdef __FreeBSD__
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91 #undef __FreeBSD__
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92 #endif
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93 #ifdef __OpenBSD__
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94 #undef __OpenBSD__
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95 #endif
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96 #ifdef __NetBSD__
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97 #undef __NetBSD__
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98 #endif
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99
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100
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101 #define __linux__ 0
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102 #define __bsdi__ 0
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103 #define __FreeBSD__ 0
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104 #define __OpenBSD__ 1
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105 #define __NetBSD__ 0
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106
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107 // These definitions here to avoid needing <sys/systm.h>
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108 // This probably doesn't belong here, but we need these definitions
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109 #include <lib/libkern/libkern.h>
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110 #define SCARG(p,k) ((p)->k.datum) /* get arg from args pointer */
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111 #include <stdarg.h>
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112
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113 // TEMP
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114
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115 #include <cyg/infra/diag.h>
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116 #include <cyg/hal/hal_intr.h>
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117 #include <cyg/kernel/kapi.h>
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118 #include <cyg/io/file.h>
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119
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120 struct net_stats {
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121 int count;
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122 cyg_uint32 min_time, max_time, total_time;
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123 };
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124
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125 #define START_STATS() \
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126 cyg_uint32 start_time, end_time, elapsed_time; \
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127 HAL_CLOCK_READ(&start_time);
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128 #define FINISH_STATS(stats) \
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129 HAL_CLOCK_READ(&end_time); \
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130 if (end_time < start_time) { \
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131 elapsed_time = (end_time+CYGNUM_KERNEL_COUNTERS_RTC_PERIOD) - start_time; \
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132 } else { \
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133 elapsed_time = end_time - start_time; \
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134 } \
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135 if (stats.min_time == 0) { \
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136 stats.min_time = 0x7FFFFFFF; \
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137 } \
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138 if (elapsed_time < stats.min_time) \
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139 stats.min_time = elapsed_time; \
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140 if (elapsed_time > stats.max_time) \
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141 stats.max_time = elapsed_time; \
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142 stats.total_time += elapsed_time; \
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143 stats.count++;
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144
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145 // timeout support
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146 typedef void (timeout_fun)(void *);
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147 extern cyg_uint32 timeout(timeout_fun *fun, void *arg, cyg_int32 delta);
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148 extern void untimeout(timeout_fun *fun, void *arg);
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149 extern int uiomove(caddr_t cp, int n, struct uio *uio);
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150 extern int copyout(const void *s, void *d, size_t len);
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151 extern int copyin(const void *s, void *d, size_t len);
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152 extern void ovbcopy(const void *s, void *d, size_t len);
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153 extern void get_mono_time(void);
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154 extern int arc4random(void);
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155 extern void get_random_bytes(void *buf, size_t len);
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156
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157 extern void *hashinit(int elements, int type, int flags, u_long *hashmask);
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158
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159 #endif // _MACHINE_PARAM_H_