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annotate packages/net/tcpip/current/include/machine/param.h @ 1777:c16341b1bac6 default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Mon, 12 Oct 2009 02:26:09 +0100
parents e0c0827131d1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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97
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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 //####BSDCOPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 //
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12 // Portions of this software may have been derived from OpenBSD or other sources,
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13 // and are covered by the appropriate copyright disclaimers included herein.
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14 //
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15 // -------------------------------------------
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16 //
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17 //####BSDCOPYRIGHTEND####
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18 //==========================================================================
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19 //#####DESCRIPTIONBEGIN####
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20 //
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21 // Author(s): gthomas
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22 // Contributors: gthomas
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23 // Date: 2000-01-10
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24 // Purpose:
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25 // Description:
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26 //
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27 //
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28 //####DESCRIPTIONEND####
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29 //
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30 //==========================================================================
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31
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32
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33 #ifndef _MACHINE_PARAM_H_
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34 #define _MACHINE_PARAM_H_
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35
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36 #include <pkgconf/net.h>
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37
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38 /*
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39 * Constants related to network buffer management.
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40 * MCLBYTES must be no larger than CLBYTES (the software page size), and,
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41 * on machines that exchange pages of input or output buffers with mbuf
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42 * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
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43 * of the hardware page size.
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44 */
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45 #define MSIZE 128 /* size of an mbuf */
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46 #define MCLSHIFT 11 /* convert bytes to m_buf clusters */
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47 #define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */
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48 #define MCLOFSET (MCLBYTES - 1) /* offset within a m_buf cluster */
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49 #define CLBYTES 4096 /* size of actual cluster */
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50
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51 /*
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52 * Round p (pointer or byte index) up to a correctly-aligned value
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53 * for all data types (int, long, ...). The result is u_int and
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54 * must be cast to any desired pointer type.
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55 */
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56 #define ALIGNBYTES (sizeof(int) - 1)
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57 #define ALIGN(p) (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
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58
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59 // These symbols are used in the IPV6 stuff
112
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60 // (be more defensive about external setup)
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61 #ifdef __linux__
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62 #undef __linux__
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63 #endif
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64 #ifdef __bsdi__
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65 #undef __bsdi__
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66 #endif
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67 #ifdef __FreeBSD__
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68 #undef __FreeBSD__
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69 #endif
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70 #ifdef __OpenBSD__
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71 #undef __OpenBSD__
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72 #endif
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73 #ifdef __NetBSD__
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74 #undef __NetBSD__
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75 #endif
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76
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77
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78 #define __linux__ 0
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79 #define __bsdi__ 0
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80 #define __FreeBSD__ 0
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81 #define __OpenBSD__ 1
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82 #define __NetBSD__ 0
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83
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84 // These definitions here to avoid needing <sys/systm.h>
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85 // This probably doesn't belong here, but we need these definitions
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86 #include <lib/libkern/libkern.h>
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87 #define SCARG(p,k) ((p)->k.datum) /* get arg from args pointer */
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88 #include <stdarg.h>
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89
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90 // TEMP
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91
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92 #include <cyg/infra/diag.h>
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93 #include <cyg/hal/hal_intr.h>
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94 #include <cyg/kernel/kapi.h>
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95 #include <cyg/io/file.h>
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96
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97 struct net_stats {
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98 int count;
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99 cyg_uint32 min_time, max_time, total_time;
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100 };
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101
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102 #ifdef CYGDBG_NET_TIMING_STATS
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103 #define START_STATS() \
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104 cyg_uint32 start_time, end_time, elapsed_time; \
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105 HAL_CLOCK_READ(&start_time);
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106 #define FINISH_STATS(stats) \
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107 HAL_CLOCK_READ(&end_time); \
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108 if (end_time < start_time) { \
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109 elapsed_time = (end_time+CYGNUM_KERNEL_COUNTERS_RTC_PERIOD) - start_time; \
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110 } else { \
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111 elapsed_time = end_time - start_time; \
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112 } \
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113 if (stats.min_time == 0) { \
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114 stats.min_time = 0x7FFFFFFF; \
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115 } \
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116 if (elapsed_time < stats.min_time) \
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117 stats.min_time = elapsed_time; \
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118 if (elapsed_time > stats.max_time) \
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119 stats.max_time = elapsed_time; \
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120 stats.total_time += elapsed_time; \
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121 stats.count++;
199
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122 #else
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123 #define START_STATS()
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124 #define FINISH_STATS(X)
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125 #endif
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126
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127 // timeout support
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128 typedef void (timeout_fun)(void *);
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129 extern cyg_uint32 timeout(timeout_fun *fun, void *arg, cyg_int32 delta);
112
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130 extern void untimeout(timeout_fun *fun, void *arg);
97
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131 extern int uiomove(caddr_t cp, int n, struct uio *uio);
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132 extern int copyout(const void *s, void *d, size_t len);
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133 extern int copyin(const void *s, void *d, size_t len);
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134 extern void ovbcopy(const void *s, void *d, size_t len);
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135 extern void get_mono_time(void);
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136 extern int arc4random(void);
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137 extern void get_random_bytes(void *buf, size_t len);
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138
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139 extern void *hashinit(int elements, int type, int flags, u_long *hashmask);
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140
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141 #endif // _MACHINE_PARAM_H_