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annotate packages/net/common/current/tests/tcp_echo.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //==========================================================================
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2 //
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3 // tests/tcp_echo.c
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4 //
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5 // Simple TCP throughput test - echo component
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6 //
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7 //==========================================================================
2729
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8 // ####BSDALTCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // Portions of this software may have been derived from FreeBSD, OpenBSD,
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11 // or other sources, and if so are covered by the appropriate copyright
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12 // and license included herein.
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13 // -------------------------------------------
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14 // ####BSDALTCOPYRIGHTEND####
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15 //==========================================================================
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16 //#####DESCRIPTIONBEGIN####
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17 //
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18 // Author(s): gthomas
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19 // Contributors: gthomas
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20 // Date: 2000-01-10
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21 // Purpose:
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22 // Description: This is the middle part of a three part test. The idea is
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23 // to test the throughput of box in a configuration like this:
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24 //
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25 // +------+ port +----+ port +----+
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26 // |SOURCE|=========>|ECHO|============>|SINK|
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27 // +------+ 9990 +----+ 9991 +----+
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28 //
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29 //
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30 //####DESCRIPTIONEND####
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31 //
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32 //==========================================================================
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33
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34 #include <pkgconf/system.h>
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35 #include <pkgconf/net.h>
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36
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37 #ifdef CYGBLD_DEVS_ETH_DEVICE_H // Get the device config if it exists
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38 #include CYGBLD_DEVS_ETH_DEVICE_H // May provide CYGTST_DEVS_ETH_TEST_NET_REALTIME
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39 #endif
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40
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41 #ifdef CYGPKG_NET_TESTS_USE_RT_TEST_HARNESS // do we use the rt test?
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42 # ifdef CYGTST_DEVS_ETH_TEST_NET_REALTIME // Get the test ancilla if it exists
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43 # include CYGTST_DEVS_ETH_TEST_NET_REALTIME
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44 # endif
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45 #endif
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46
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47
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48 // Fill in the blanks if necessary
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49 #ifndef TNR_OFF
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50 # define TNR_OFF()
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51 #endif
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52 #ifndef TNR_ON
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53 # define TNR_ON()
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54 #endif
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55 #ifndef TNR_INIT
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56 # define TNR_INIT()
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57 #endif
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58 #ifndef TNR_PRINT_ACTIVITY
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59 # define TNR_PRINT_ACTIVITY()
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60 #endif
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61
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62
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63 // Network throughput test code
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64
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65 #include <network.h>
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66
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67 static __inline__ unsigned int
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68 max(unsigned int m, unsigned int n)
212
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69 {
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70 return m > n ? m : n;
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71 }
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72
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73 #define SOURCE_PORT 9990
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74 #define SINK_PORT 9991
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75
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76 #define MAX_BUF 8192
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77 static unsigned char data_buf[MAX_BUF];
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78
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79 struct test_params {
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80 long nbufs;
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81 long bufsize;
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82 long load;
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83 };
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84
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85 struct test_status {
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86 long ok;
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87 };
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88
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89 #ifndef CYGPKG_LIBC_STDIO
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90 #define perror(s) diag_printf(#s ": %s\n", strerror(errno))
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91 #endif
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92
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93 #define STACK_SIZE (CYGNUM_HAL_STACK_SIZE_TYPICAL + 0x1000)
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94 static char stack[STACK_SIZE];
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95 static cyg_thread thread_data;
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96 static cyg_handle_t thread_handle;
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97
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98 // Background load stuff
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99 #define NUM_LOAD_THREADS 20 // Get 5% granularity
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100 #define IDLE_THREAD_PRIORITY CYGPKG_NET_THREAD_PRIORITY+3
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101 #define LOAD_THREAD_PRIORITY CYGPKG_NET_THREAD_PRIORITY-3
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102 #define MAIN_THREAD_PRIORITY CYGPKG_NET_THREAD_PRIORITY-4
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103 #define DESIRED_BACKGROUND_LOAD 50 // should be accurate enough over range
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104
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105 // starting points for load calculation
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106 #define MAX_LOAD_THREAD_LEVEL 100
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107 #define MIN_LOAD_THREAD_LEVEL 0
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108
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109 static char idle_thread_stack[STACK_SIZE];
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110 static cyg_thread idle_thread_data;
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111 static cyg_handle_t idle_thread_handle;
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112 static cyg_sem_t idle_thread_sem;
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113 volatile static long long idle_thread_count;
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114 static char load_thread_stack[NUM_LOAD_THREADS][STACK_SIZE];
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115 static cyg_thread load_thread_data[NUM_LOAD_THREADS];
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116 static cyg_handle_t load_thread_handle[NUM_LOAD_THREADS];
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117 static cyg_sem_t load_thread_sem[NUM_LOAD_THREADS];
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118 static long load_thread_level;
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119 static void calibrate_load(int load);
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120 static void start_load(int load);
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121 static void do_some_random_computation(int p,int id);
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122 #define abs(n) ((n) < 0 ? -(n) : (n))
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123
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124 static long long no_load_idle_count_1_second;
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125
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126 extern void
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127 cyg_test_exit(void);
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128
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129 void
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130 pexit(char *s)
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131 {
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132 TNR_OFF();
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133 perror(s);
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134 cyg_test_exit();
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135 }
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136
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137 int
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138 do_read(int s, void *_buf, int len)
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139 {
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140 int total, slen, rlen;
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141 unsigned char *buf = (unsigned char *)_buf;
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142 total = 0;
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143 rlen = len;
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144 while (total < len) {
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145 slen = read(s, buf, rlen);
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146 if (slen != rlen) {
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147 if (slen < 0) {
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148 diag_printf("Error after reading %d bytes\n", total);
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149 return -1;
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150 }
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151 rlen -= slen;
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152 buf += slen;
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153 }
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154 total += slen;
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155 }
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156 return total;
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157 }
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158
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159 int
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160 do_write(int s, void *_buf, int len)
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161 {
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162 int total, slen, rlen;
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163 unsigned char *buf = (unsigned char *)_buf;
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164 total = 0;
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165 rlen = len;
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166 while (total < len) {
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167 slen = write(s, buf, rlen);
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168 if (slen != rlen) {
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169 if (slen < 0) {
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170 diag_printf("Error after writing %d bytes\n", total);
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171 return -1;
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172 }
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173 rlen -= slen;
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174 buf += slen;
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175 }
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176 total += slen;
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177 }
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178 return total;
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179 }
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180
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181 //
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182 // This function is called to calibrate the "background load" which can be
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183 // applied during testing. It will be called before any commands from the
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184 // host are managed.
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185 //
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186 static void
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187 calibrate_load(int desired_load)
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188 {
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189 long long no_load_idle, load_idle;
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190 int percent_load;
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191 int high, low;
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192
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193 // Set limits
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194 high = MAX_LOAD_THREAD_LEVEL;
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195 low = MIN_LOAD_THREAD_LEVEL;
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196
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197 // Compute the "no load" idle value
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198 idle_thread_count = 0;
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199 cyg_semaphore_post(&idle_thread_sem); // Start idle thread
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200 cyg_thread_delay(1*100); // Pause for one second
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201 cyg_semaphore_wait(&idle_thread_sem); // Stop idle thread
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202 no_load_idle = idle_thread_count;
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203 diag_printf("No load = %d\n", (int)idle_thread_count);
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204
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205 // First ensure that the HIGH level is indeed higher
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206 while (true) {
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207 load_thread_level = high;
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208 start_load(desired_load); // Start up a given load
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209 idle_thread_count = 0;
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210 cyg_semaphore_post(&idle_thread_sem); // Start idle thread
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211 cyg_thread_delay(1*100); // Pause for one second
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212 cyg_semaphore_wait(&idle_thread_sem); // Stop idle thread
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213 load_idle = idle_thread_count;
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214 start_load(0); // Shut down background load
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215 percent_load = 100 - ((load_idle * 100) / no_load_idle);
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216 diag_printf("High Load[%ld] = %d => %d%%\n", load_thread_level,
208
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217 (int)idle_thread_count, percent_load);
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218 if ( percent_load > desired_load )
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219 break; // HIGH level is indeed higher
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220 low = load_thread_level; // known to be lower
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221 high *= 2; // else double it and try again
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222 }
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223
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224 // Now chop down to the level required
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225 while (true) {
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226 load_thread_level = (high + low) / 2;
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227 start_load(desired_load); // Start up a given load
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228 idle_thread_count = 0;
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229 cyg_semaphore_post(&idle_thread_sem); // Start idle thread
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230 cyg_thread_delay(1*100); // Pause for one second
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231 cyg_semaphore_wait(&idle_thread_sem); // Stop idle thread
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232 load_idle = idle_thread_count;
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233 start_load(0); // Shut down background load
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234 percent_load = 100 - ((load_idle * 100) / no_load_idle);
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235 diag_printf("Load[%ld] = %d => %d%%\n", load_thread_level,
208
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236 (int)idle_thread_count, percent_load);
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237 if (((high-low) <= 1) || (abs(desired_load-percent_load) <= 2)) break;
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238 if (percent_load < desired_load) {
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239 low = load_thread_level;
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240 } else {
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241 high = load_thread_level;
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242 }
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243 }
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244
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245 // Now we are within a few percent of the target; scale the load
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246 // factor to get a better fit, and test it, print the answer.
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247 load_thread_level *= desired_load;
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248 load_thread_level /= percent_load;
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249 start_load(desired_load); // Start up a given load
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250 idle_thread_count = 0;
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251 cyg_semaphore_post(&idle_thread_sem); // Start idle thread
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252 cyg_thread_delay(1*100); // Pause for one second
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253 cyg_semaphore_wait(&idle_thread_sem); // Stop idle thread
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254 load_idle = idle_thread_count;
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255 start_load(0); // Shut down background load
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256 percent_load = 100 - ((load_idle * 100) / no_load_idle);
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257 diag_printf("Final load[%ld] = %d => %d%%\n", load_thread_level,
208
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258 (int)idle_thread_count, percent_load);
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259 no_load_idle_count_1_second = no_load_idle;
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260 }
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261
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262 //
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263 // This function is called to set up a load level of 'load' percent (given
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264 // as a whole number, e.g. start_load(20) would mean initiate a background
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265 // load of 20%, leaving the cpu 80% idle).
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266 //
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267 static void
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268 start_load(int load)
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269 {
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270 static int prev_load = 0;
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271 int i;
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272 if (load == 0) {
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273 diag_printf("Set no background load\n");
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274 if (prev_load == 0) return; // Nothing out there to stop
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275 for (i = 0; i < prev_load * NUM_LOAD_THREADS/100; i++) {
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276 cyg_semaphore_wait(&load_thread_sem[i]);
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277 }
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278 prev_load = 0;
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279 } else {
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280 diag_printf("Set background load = %d%% starting %d threads\n",
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281 load, load * NUM_LOAD_THREADS/100 );
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282 for (i = 0; i < load * NUM_LOAD_THREADS/100; i++) {
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283 cyg_semaphore_post(&load_thread_sem[i]);
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284 }
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285 prev_load = load;
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286 }
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287 }
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288
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289 //
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290 // These thread(s) do some amount of "background" computing. This is used
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291 // to simulate a given load level. They need to be run at a higher priority
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292 // than the network code itself.
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293 //
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294 // Like the "idle" thread, they run as long as their "switch" (aka semaphore)
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295 // is enabled.
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296 //
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297 void
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298 net_load(cyg_addrword_t who)
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299 {
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300 int i;
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301 while (true) {
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302 cyg_semaphore_wait(&load_thread_sem[who]);
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303 for (i = 0; i < load_thread_level; i++) {
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304 do_some_random_computation(i,who);
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305 }
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306 cyg_thread_delay(1); // Wait until the next 'tick'
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307 cyg_semaphore_post(&load_thread_sem[who]);
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308 }
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309 }
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310
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311 //
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312 // Some arbitrary computation, designed to use up the CPU and cause associated
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313 // cache "thrash" behaviour - part of background load modelling.
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314 //
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315 static void
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316 do_some_random_computation(int p,int id)
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317 {
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318 // Just something that might be "hard"
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319 #if 0
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320 {
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321 volatile double x;
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322 x = ((p * 10) * 3.14159) / 180.0; // radians
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323 }
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324 #endif
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325 #if 1
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326 {
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327 static int footle[0x10001];
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328 static int counter = 0;
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329 register int i;
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330
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331 i = (p << 8) + id + counter++;
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332 i &= 0xffff;
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333 footle[ i+1 ] += footle[ i ] + 1;
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334 }
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335 #endif
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336 }
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337
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338 //
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339 // This thread does nothing but count. It will be allowed to count
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340 // as long as the semaphore is "free".
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341 //
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342 void
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343 net_idle(cyg_addrword_t param)
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344 {
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345 while (true) {
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346 cyg_semaphore_wait(&idle_thread_sem);
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347 idle_thread_count++;
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348 cyg_semaphore_post(&idle_thread_sem);
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349 }
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350 }
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351
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352 static void
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353 echo_test(cyg_addrword_t p)
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354 {
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355 int s_source, s_sink, e_source, e_sink;
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356 struct sockaddr_in e_source_addr, e_sink_addr, local;
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357 int one = 1;
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358 fd_set in_fds;
2070
f39bb84d8383 * tests/server_test.c: use socklen_t.
asl
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359 int i, num;
f39bb84d8383 * tests/server_test.c: use socklen_t.
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360 socklen_t len;
208
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361 struct test_params params,nparams;
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362 struct test_status status,nstatus;
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363
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364 cyg_tick_count_t starttime, stoptime;
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365
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366 s_source = socket(AF_INET, SOCK_STREAM, 0);
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367 if (s_source < 0) {
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368 pexit("stream socket");
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369 }
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370 if (setsockopt(s_source, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) {
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371 pexit("setsockopt /source/ SO_REUSEADDR");
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372 }
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373 if (setsockopt(s_source, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one))) {
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374 pexit("setsockopt /source/ SO_REUSEPORT");
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375 }
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376 memset(&local, 0, sizeof(local));
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377 local.sin_family = AF_INET;
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378 local.sin_len = sizeof(local);
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379 local.sin_port = ntohs(SOURCE_PORT);
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380 local.sin_addr.s_addr = INADDR_ANY;
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381 if(bind(s_source, (struct sockaddr *) &local, sizeof(local)) < 0) {
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382 pexit("bind /source/ error");
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383 }
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384 listen(s_source, SOMAXCONN);
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385
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386 s_sink = socket(AF_INET, SOCK_STREAM, 0);
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387 if (s_sink < 0) {
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388 pexit("stream socket");
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389 }
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390 memset(&local, 0, sizeof(local));
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391 local.sin_family = AF_INET;
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392 local.sin_len = sizeof(local);
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393 local.sin_port = ntohs(SINK_PORT);
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394 local.sin_addr.s_addr = INADDR_ANY;
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395 if(bind(s_sink, (struct sockaddr *) &local, sizeof(local)) < 0) {
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396 pexit("bind /sink/ error");
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397 }
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398 if (setsockopt(s_sink, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) {
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399 pexit("setsockopt /sink/ SO_REUSEADDR");
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400 }
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401 if (setsockopt(s_sink, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one))) {
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402 pexit("setsockopt /sink/ SO_REUSEPORT");
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403 }
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404 listen(s_sink, SOMAXCONN);
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405
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406 e_source = 0; e_sink = 0;
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407 while (true) {
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408 // Wait for a connection on either of the ports
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409 FD_ZERO(&in_fds);
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410 FD_SET(s_source, &in_fds);
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411 FD_SET(s_sink, &in_fds);
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412 num = select(max(s_sink,s_source)+1, &in_fds, 0, 0, 0);
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413 if (FD_ISSET(s_source, &in_fds)) {
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414 len = sizeof(e_source_addr);
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415 if ((e_source = accept(s_source, (struct sockaddr *)&e_source_addr, &len)) < 0) {
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416 pexit("accept /source/");
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417 }
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418 diag_printf("SOURCE connection from %s:%d\n",
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419 inet_ntoa(e_source_addr.sin_addr), ntohs(e_source_addr.sin_port));
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420 }
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421 if (FD_ISSET(s_sink, &in_fds)) {
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jlarmour
parents:
diff changeset
422 len = sizeof(e_sink_addr);
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jlarmour
parents:
diff changeset
423 if ((e_sink = accept(s_sink, (struct sockaddr *)&e_sink_addr, &len)) < 0) {
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jlarmour
parents:
diff changeset
424 pexit("accept /sink/");
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jlarmour
parents:
diff changeset
425 }
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jlarmour
parents:
diff changeset
426 diag_printf("SINK connection from %s:%d\n",
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jlarmour
parents:
diff changeset
427 inet_ntoa(e_sink_addr.sin_addr), ntohs(e_sink_addr.sin_port));
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jlarmour
parents:
diff changeset
428 }
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jlarmour
parents:
diff changeset
429 // Continue with test once a connection is established in both directions
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jlarmour
parents:
diff changeset
430 if ((e_source != 0) && (e_sink != 0)) {
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jlarmour
parents:
diff changeset
431 break;
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jlarmour
parents:
diff changeset
432 }
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jlarmour
parents:
diff changeset
433 }
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jlarmour
parents:
diff changeset
434
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jlarmour
parents:
diff changeset
435 // Wait for "source" to tell us the testing paramters
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jlarmour
parents:
diff changeset
436 if (do_read(e_source, &nparams, sizeof(nparams)) != sizeof(nparams)) {
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jlarmour
parents:
diff changeset
437 pexit("Can't read initialization parameters");
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jlarmour
parents:
diff changeset
438 }
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jlarmour
parents:
diff changeset
439
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jlarmour
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diff changeset
440 params.nbufs = ntohl(nparams.nbufs);
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diff changeset
441 params.bufsize = ntohl(nparams.bufsize);
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jlarmour
parents:
diff changeset
442 params.load = ntohl(nparams.load);
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jlarmour
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diff changeset
443
2070
f39bb84d8383 * tests/server_test.c: use socklen_t.
asl
parents: 358
diff changeset
444 diag_printf("Using %ld buffers of %ld bytes each, %ld%% background load\n",
208
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jlarmour
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diff changeset
445 params.nbufs, params.bufsize, params.load);
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jlarmour
parents:
diff changeset
446
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jlarmour
parents:
diff changeset
447 // Tell the sink what the parameters are
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jlarmour
parents:
diff changeset
448 if (do_write(e_sink, &nparams, sizeof(nparams)) != sizeof(nparams)) {
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jlarmour
parents:
diff changeset
449 pexit("Can't write initialization parameters");
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jlarmour
parents:
diff changeset
450 }
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jlarmour
parents:
diff changeset
451
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jlarmour
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diff changeset
452 status.ok = 1;
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jlarmour
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diff changeset
453 nstatus.ok = htonl(status.ok);
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jlarmour
parents:
diff changeset
454
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jlarmour
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diff changeset
455 // Tell the "source" to start - we're all connected and ready to go!
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456 if (do_write(e_source, &nstatus, sizeof(nstatus)) != sizeof(nstatus)) {
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jlarmour
parents:
diff changeset
457 pexit("Can't send ACK to 'source' host");
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jlarmour
parents:
diff changeset
458 }
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jlarmour
parents:
diff changeset
459
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jlarmour
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diff changeset
460 idle_thread_count = 0;
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461 cyg_semaphore_post(&idle_thread_sem); // Start idle thread
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jlarmour
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diff changeset
462 starttime = cyg_current_time();
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jlarmour
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diff changeset
463 start_load(params.load);
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jlarmour
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diff changeset
464
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jlarmour
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diff changeset
465 TNR_ON();
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jlarmour
parents:
diff changeset
466
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jlarmour
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diff changeset
467 // Echo the data from the source to the sink hosts
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jlarmour
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diff changeset
468 for (i = 0; i < params.nbufs; i++) {
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jlarmour
parents:
diff changeset
469 if ((len = do_read(e_source, data_buf, params.bufsize)) != params.bufsize) {
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jlarmour
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diff changeset
470 TNR_OFF();
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jlarmour
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diff changeset
471 diag_printf("Can't read buf #%d: ", i+1);
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jlarmour
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diff changeset
472 if (len < 0) {
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jlarmour
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diff changeset
473 perror("I/O error");
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jlarmour
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diff changeset
474 } else {
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jlarmour
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diff changeset
475 diag_printf("short read - only %d bytes\n", len);
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jlarmour
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diff changeset
476 }
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jlarmour
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diff changeset
477 TNR_ON();
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jlarmour
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diff changeset
478 }
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jlarmour
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diff changeset
479 if ((len = do_write(e_sink, data_buf, params.bufsize)) != params.bufsize) {
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jlarmour
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diff changeset
480 TNR_OFF();
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jlarmour
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diff changeset
481 diag_printf("Can't write buf #%d: ", i+1);
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jlarmour
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diff changeset
482 if (len < 0) {
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jlarmour
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diff changeset
483 perror("I/O error");
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jlarmour
parents:
diff changeset
484 } else {
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jlarmour
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diff changeset
485 diag_printf("short write - only %d bytes\n", len);
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jlarmour
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diff changeset
486 }
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jlarmour
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diff changeset
487 TNR_ON();
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jlarmour
parents:
diff changeset
488 }
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jlarmour
parents:
diff changeset
489 }
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jlarmour
parents:
diff changeset
490
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jlarmour
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diff changeset
491 TNR_OFF();
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jlarmour
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diff changeset
492
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jlarmour
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diff changeset
493 // Wait for the data to drain and the "sink" to tell us all is OK.
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diff changeset
494 if (do_read(e_sink, &status, sizeof(status)) != sizeof(status)) {
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jlarmour
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diff changeset
495 pexit("Can't receive ACK from 'sink' host");
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jlarmour
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diff changeset
496 }
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jlarmour
parents:
diff changeset
497
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jlarmour
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diff changeset
498 start_load(0);
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jlarmour
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diff changeset
499 cyg_semaphore_wait(&idle_thread_sem); // Stop idle thread
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jlarmour
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diff changeset
500 stoptime = cyg_current_time();
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jlarmour
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diff changeset
501 stoptime -= starttime; // time taken in cS
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jlarmour
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diff changeset
502 // expected idle loops in that time period for an idle system:
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jlarmour
parents:
diff changeset
503 starttime = no_load_idle_count_1_second * stoptime / 100;
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jlarmour
parents:
diff changeset
504 diag_printf( "%d ticks elapsed, %d kloops predicted for an idle system\n",
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jlarmour
parents:
diff changeset
505 (int)stoptime, (int)(starttime/1000) );
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jlarmour
parents:
diff changeset
506 diag_printf( "actual kloops %d, CPU was %d%% idle during transfer\n",
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jlarmour
parents:
diff changeset
507 (int)(idle_thread_count/1000),
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jlarmour
parents:
diff changeset
508 (int)(idle_thread_count * 100 / starttime) );
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jlarmour
parents:
diff changeset
509
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jlarmour
parents:
diff changeset
510 // Now examine how close that loading actually was:
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jlarmour
parents:
diff changeset
511 start_load(params.load); // Start up a given load
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jlarmour
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diff changeset
512 idle_thread_count = 0;
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jlarmour
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diff changeset
513 cyg_semaphore_post(&idle_thread_sem); // Start idle thread
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jlarmour
parents:
diff changeset
514 cyg_thread_delay(1*100); // Pause for one second
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jlarmour
parents:
diff changeset
515 cyg_semaphore_wait(&idle_thread_sem); // Stop idle thread
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jlarmour
parents:
diff changeset
516 start_load(0); // Shut down background load
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jlarmour
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diff changeset
517 i = 100 - ((idle_thread_count * 100) / no_load_idle_count_1_second );
2070
f39bb84d8383 * tests/server_test.c: use socklen_t.
asl
parents: 358
diff changeset
518 diag_printf("Final load[%ld] = %d => %d%%\n", load_thread_level,
208
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jlarmour
parents:
diff changeset
519 (int)idle_thread_count, i);
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jlarmour
parents:
diff changeset
520
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jlarmour
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diff changeset
521 //#ifdef CYGDBG_USE_ASSERTS
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jlarmour
parents:
diff changeset
522 #ifdef CYGDBG_NET_TIMING_STATS
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jlarmour
parents:
diff changeset
523 {
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jlarmour
parents:
diff changeset
524 extern void show_net_times(void);
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jlarmour
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diff changeset
525 show_net_times();
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jlarmour
parents:
diff changeset
526 }
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jlarmour
parents:
diff changeset
527 #endif
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jlarmour
parents:
diff changeset
528 //#endif
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jlarmour
parents:
diff changeset
529 }
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jlarmour
parents:
diff changeset
530
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jlarmour
parents:
diff changeset
531 void
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jlarmour
parents:
diff changeset
532 net_test(cyg_addrword_t param)
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jlarmour
parents:
diff changeset
533 {
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jlarmour
parents:
diff changeset
534 diag_printf("Start TCP test - ECHO mode\n");
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jlarmour
parents:
diff changeset
535 init_all_network_interfaces();
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jlarmour
parents:
diff changeset
536 calibrate_load(DESIRED_BACKGROUND_LOAD);
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jlarmour
parents:
diff changeset
537 TNR_INIT();
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jlarmour
parents:
diff changeset
538 #ifdef CYGPKG_SNMPAGENT
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jlarmour
parents:
diff changeset
539 {
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jlarmour
parents:
diff changeset
540 extern void cyg_net_snmp_init(void);
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jlarmour
parents:
diff changeset
541 cyg_net_snmp_init();
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jlarmour
parents:
diff changeset
542 }
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jlarmour
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diff changeset
543 #endif
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jlarmour
parents:
diff changeset
544 echo_test(param);
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jlarmour
parents:
diff changeset
545 TNR_PRINT_ACTIVITY();
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jlarmour
parents:
diff changeset
546 cyg_test_exit();
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jlarmour
parents:
diff changeset
547 }
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jlarmour
parents:
diff changeset
548
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jlarmour
parents:
diff changeset
549 void
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jlarmour
parents:
diff changeset
550 cyg_start(void)
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jlarmour
parents:
diff changeset
551 {
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jlarmour
parents:
diff changeset
552 int i;
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jlarmour
parents:
diff changeset
553 // Create a main thread which actually runs the test
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jlarmour
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diff changeset
554 cyg_thread_create(MAIN_THREAD_PRIORITY, // Priority
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jlarmour
parents:
diff changeset
555 net_test, // entry
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jlarmour
parents:
diff changeset
556 0, // entry parameter
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jlarmour
parents:
diff changeset
557 "Network test", // Name
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jlarmour
parents:
diff changeset
558 &stack[0], // Stack
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jlarmour
parents:
diff changeset
559 STACK_SIZE, // Size
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jlarmour
parents:
diff changeset
560 &thread_handle, // Handle
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jlarmour
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561 &thread_data // Thread data structure
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562 );
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563 cyg_thread_resume(thread_handle); // Start it
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564 // Create the idle thread environment
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565 cyg_semaphore_init(&idle_thread_sem, 0);
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566 cyg_thread_create(IDLE_THREAD_PRIORITY, // Priority
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567 net_idle, // entry
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568 0, // entry parameter
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569 "Network idle", // Name
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570 &idle_thread_stack[0], // Stack
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571 STACK_SIZE, // Size
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572 &idle_thread_handle, // Handle
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573 &idle_thread_data // Thread data structure
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574 );
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575 cyg_thread_resume(idle_thread_handle); // Start it
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576 // Create the load threads and their environment(s)
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577 for (i = 0; i < NUM_LOAD_THREADS; i++) {
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578 cyg_semaphore_init(&load_thread_sem[i], 0);
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579 cyg_thread_create(LOAD_THREAD_PRIORITY, // Priority
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580 net_load, // entry
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581 i, // entry parameter
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582 "Background load", // Name
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583 &load_thread_stack[i][0], // Stack
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584 STACK_SIZE, // Size
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585 &load_thread_handle[i], // Handle
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586 &load_thread_data[i] // Thread data structure
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587 );
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588 cyg_thread_resume(load_thread_handle[i]); // Start it
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589 }
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590 cyg_scheduler_start();
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591 }
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592
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593 // EOF tcp_echo.c