1 | /* $Id: tstIntNetR0.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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2 | /** @file
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3 | * Internal networking - Usermode testcase for the kernel mode bits.
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4 | *
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5 | * This is a bit hackish as we're mixing context here, however it is
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6 | * very useful when making changes to the internal networking service.
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7 | */
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8 |
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9 | /*
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10 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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11 | *
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12 | * This file is part of VirtualBox base platform packages, as
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13 | * available from https://www.virtualbox.org.
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14 | *
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15 | * This program is free software; you can redistribute it and/or
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16 | * modify it under the terms of the GNU General Public License
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17 | * as published by the Free Software Foundation, in version 3 of the
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18 | * License.
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19 | *
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20 | * This program is distributed in the hope that it will be useful, but
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21 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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23 | * General Public License for more details.
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24 | *
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25 | * You should have received a copy of the GNU General Public License
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26 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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27 | *
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28 | * SPDX-License-Identifier: GPL-3.0-only
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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 | * Header Files *
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34 | *********************************************************************************************************************************/
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35 | #define IN_INTNET_TESTCASE
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36 | #define IN_INTNET_R3
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37 | #include <VBox/cdefs.h>
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38 | #undef INTNETR0DECL
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39 | #define INTNETR0DECL INTNETR3DECL
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40 | #undef DECLR0CALLBACKMEMBER
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41 | #define DECLR0CALLBACKMEMBER(type, name, args) DECLR3CALLBACKMEMBER(type, name, args)
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42 | #include <VBox/types.h>
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43 | typedef void *MYPSUPDRVSESSION;
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44 | #define PSUPDRVSESSION MYPSUPDRVSESSION
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45 |
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46 | #include <VBox/intnet.h>
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47 | #include <VBox/sup.h>
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48 | #include <VBox/err.h>
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49 | #include <iprt/asm.h>
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50 | #include <iprt/getopt.h>
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51 | #include <iprt/initterm.h>
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52 | #include <iprt/mem.h>
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53 | #include <iprt/mp.h>
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54 | #include <iprt/stream.h>
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55 | #include <iprt/thread.h>
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56 | #include <iprt/time.h>
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57 | #include <iprt/test.h>
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58 |
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59 |
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60 | /*********************************************************************************************************************************
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61 | * Structures and Typedefs *
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62 | *********************************************************************************************************************************/
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63 | /**
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64 | * Security objectype.
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65 | */
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66 | typedef enum SUPDRVOBJTYPE
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67 | {
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68 | /** The usual invalid object. */
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69 | SUPDRVOBJTYPE_INVALID = 0,
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70 | /** Internal network. */
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71 | SUPDRVOBJTYPE_INTERNAL_NETWORK,
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72 | /** Internal network interface. */
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73 | SUPDRVOBJTYPE_INTERNAL_NETWORK_INTERFACE,
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74 | /** The first invalid object type in this end. */
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75 | SUPDRVOBJTYPE_END,
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76 | /** The usual 32-bit type size hack. */
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77 | SUPDRVOBJTYPE_32_BIT_HACK = 0x7ffffff
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78 | } SUPDRVOBJTYPE;
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79 |
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80 | /**
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81 | * Object destructor callback.
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82 | * This is called for reference counted objectes when the count reaches 0.
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83 | *
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84 | * @param pvObj The object pointer.
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85 | * @param pvUser1 The first user argument.
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86 | * @param pvUser2 The second user argument.
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87 | */
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88 | typedef DECLCALLBACKTYPE(void, FNSUPDRVDESTRUCTOR,(void *pvObj, void *pvUser1, void *pvUser2));
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89 | /** Pointer to a FNSUPDRVDESTRUCTOR(). */
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90 | typedef FNSUPDRVDESTRUCTOR *PFNSUPDRVDESTRUCTOR;
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91 |
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92 |
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93 | /**
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94 | * Dummy
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95 | */
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96 | typedef struct OBJREF
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97 | {
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98 | PFNSUPDRVDESTRUCTOR pfnDestructor;
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99 | void *pvUser1;
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100 | void *pvUser2;
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101 | uint32_t volatile cRefs;
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102 | } OBJREF, *POBJREF;
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103 |
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104 |
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105 | /*********************************************************************************************************************************
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106 | * Global Variables *
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107 | *********************************************************************************************************************************/
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108 | /** The test handle.*/
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109 | static RTTEST g_hTest = NIL_RTTEST;
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110 | /** The size (in bytes) of the large transfer tests. */
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111 | static uint32_t g_cbTransfer = _1M * 384;
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112 | /** Fake session handle. */
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113 | const PSUPDRVSESSION g_pSession = (PSUPDRVSESSION)(uintptr_t)0xdeadface;
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114 |
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115 |
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116 | INTNETR3DECL(void *) SUPR0ObjRegister(PSUPDRVSESSION pSession, SUPDRVOBJTYPE enmType,
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117 | PFNSUPDRVDESTRUCTOR pfnDestructor, void *pvUser1, void *pvUser2)
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118 | {
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119 | RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, NULL);
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120 | POBJREF pRef = (POBJREF)RTTestGuardedAllocTail(g_hTest, sizeof(OBJREF));
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121 | if (!pRef)
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122 | return NULL;
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123 | pRef->cRefs = 1;
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124 | pRef->pfnDestructor = pfnDestructor;
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125 | pRef->pvUser1 = pvUser1;
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126 | pRef->pvUser2 = pvUser2;
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127 | NOREF(enmType);
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128 | return pRef;
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129 | }
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130 |
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131 | INTNETR3DECL(int) SUPR0ObjAddRefEx(void *pvObj, PSUPDRVSESSION pSession, bool fNoBlocking)
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132 | {
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133 | RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
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134 | POBJREF pRef = (POBJREF)pvObj;
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135 | ASMAtomicIncU32(&pRef->cRefs);
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136 | NOREF(fNoBlocking);
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137 | return VINF_SUCCESS;
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138 | }
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139 |
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140 | INTNETR3DECL(int) SUPR0ObjAddRef(void *pvObj, PSUPDRVSESSION pSession)
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141 | {
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142 | return SUPR0ObjAddRefEx(pvObj, pSession, false);
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143 | }
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144 |
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145 | INTNETR3DECL(int) SUPR0ObjRelease(void *pvObj, PSUPDRVSESSION pSession)
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146 | {
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147 | RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
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148 | POBJREF pRef = (POBJREF)pvObj;
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149 | if (!ASMAtomicDecU32(&pRef->cRefs))
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150 | {
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151 | pRef->pfnDestructor(pRef, pRef->pvUser1, pRef->pvUser2);
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152 | RTTestGuardedFree(g_hTest, pRef);
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153 | return VINF_OBJECT_DESTROYED;
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154 | }
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155 | return VINF_SUCCESS;
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156 | }
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157 |
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158 | INTNETR3DECL(int) SUPR0ObjVerifyAccess(void *pvObj, PSUPDRVSESSION pSession, const char *pszObjName)
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159 | {
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160 | RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
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161 | NOREF(pvObj); NOREF(pszObjName);
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162 | return VINF_SUCCESS;
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163 | }
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164 |
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165 | INTNETR3DECL(int) SUPR0MemAlloc(PSUPDRVSESSION pSession, uint32_t cb, PRTR0PTR ppvR0, PRTR3PTR ppvR3)
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166 | {
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167 | RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
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168 | void *pv = RTTestGuardedAllocTail(g_hTest, cb);
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169 | if (!pv)
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170 | return VERR_NO_MEMORY;
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171 | *ppvR0 = (RTR0PTR)pv;
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172 | if (ppvR3)
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173 | *ppvR3 = pv;
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174 | return VINF_SUCCESS;
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175 | }
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176 |
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177 | INTNETR3DECL(int) SUPR0MemFree(PSUPDRVSESSION pSession, RTHCUINTPTR uPtr)
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178 | {
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179 | RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
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180 | RTTestGuardedFree(g_hTest, (void *)uPtr);
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181 | return VINF_SUCCESS;
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182 | }
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183 |
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184 | /* Fake non-existing ring-0 APIs. */
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185 | #define RTThreadIsInInterrupt(hThread) false
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186 | #define RTThreadPreemptIsEnabled(hThread) true
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187 | #define RTMpCpuId() 0
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188 |
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189 | /* No CLI/POPF, please. */
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190 | #include <iprt/spinlock.h>
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191 | #undef RTSPINLOCK_FLAGS_INTERRUPT_SAFE
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192 | #define RTSPINLOCK_FLAGS_INTERRUPT_SAFE RTSPINLOCK_FLAGS_INTERRUPT_UNSAFE
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193 |
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194 |
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195 | /* ugly but necessary for making R0 code compilable for R3. */
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196 | #undef LOG_GROUP
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197 | #include "../SrvIntNetR0.cpp"
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198 |
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199 |
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200 | /**
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201 | * Sends the data @a pvBuf points to.
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202 | */
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203 | static int tstIntNetSendBuf(PINTNETRINGBUF pRingBuf, INTNETIFHANDLE hIf,
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204 | PSUPDRVSESSION pSession, void const *pvBuf, size_t cbBuf)
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205 | {
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206 | INTNETSG Sg;
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207 | IntNetSgInitTemp(&Sg, (void *)pvBuf, (uint32_t)cbBuf);
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208 | int rc = intnetR0RingWriteFrame(pRingBuf, &Sg, NULL);
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209 | if (RT_SUCCESS(rc))
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210 | rc = IntNetR0IfSend(hIf, pSession);
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211 | return rc;
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212 | }
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213 |
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214 |
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215 | typedef struct MYARGS
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216 | {
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217 | PINTNETBUF pBuf;
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218 | INTNETIFHANDLE hIf;
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219 | RTMAC Mac;
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220 | uint32_t cbFrame;
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221 | uint64_t u64Start;
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222 | uint64_t u64End;
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223 | uint32_t cbSent;
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224 | uint32_t cFramesSent;
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225 | } MYARGS, *PMYARGS;
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226 |
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227 |
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228 | /**
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229 | * Frame header used when testing.
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230 | */
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231 | #pragma pack(1)
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232 | typedef struct MYFRAMEHDR
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233 | {
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234 | RTMAC SrcMac;
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235 | RTMAC DstMac;
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236 | uint32_t iFrame;
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237 | uint32_t auEos[3];
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238 | } MYFRAMEHDR;
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239 | #pragma pack()
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240 |
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241 | /**
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242 | * Send thread.
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243 | * This is constantly sending frames to the other interface.
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244 | */
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245 | static DECLCALLBACK(int) SendThread(RTTHREAD hThreadSelf, void *pvArg)
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246 | {
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247 | PMYARGS pArgs = (PMYARGS)pvArg;
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248 | int rc;
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249 | NOREF(hThreadSelf);
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250 |
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251 | /*
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252 | * Send g_cbTransfer of data.
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253 | */
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254 | uint8_t abBuf[16384] = {0};
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255 | MYFRAMEHDR *pHdr = (MYFRAMEHDR *)&abBuf[0];
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256 | uint32_t iFrame = 0;
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257 | uint32_t cbSent = 0;
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258 | uint32_t cErrors = 0;
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259 |
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260 | pHdr->SrcMac = pArgs->Mac;
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261 | pHdr->DstMac = pArgs->Mac;
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262 | pHdr->DstMac.au16[2] = (pArgs->Mac.au16[2] + 1) % 2;
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263 |
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264 | pArgs->u64Start = RTTimeNanoTS();
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265 | for (; cbSent < g_cbTransfer; iFrame++)
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266 | {
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267 | const unsigned cb = pArgs->cbFrame
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268 | ? pArgs->cbFrame
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269 | : iFrame % 1519 + sizeof(RTMAC) * 2 + sizeof(unsigned);
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270 | pHdr->iFrame = iFrame;
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271 |
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272 | INTNETSG Sg;
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273 | IntNetSgInitTemp(&Sg, abBuf, cb);
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274 | RTTEST_CHECK_RC_OK(g_hTest, rc = intnetR0RingWriteFrame(&pArgs->pBuf->Send, &Sg, NULL));
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275 | if (RT_SUCCESS(rc))
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276 | RTTEST_CHECK_RC_OK(g_hTest, rc = IntNetR0IfSend(pArgs->hIf, g_pSession));
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277 | if (RT_FAILURE(rc) && ++cErrors > 64)
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278 | {
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279 | RTTestFailed(g_hTest, "Aborting xmit after >64 errors");
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280 | break;
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281 | }
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282 |
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283 | cbSent += cb;
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284 | }
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285 | pArgs->cbSent = cbSent;
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286 | pArgs->cFramesSent = iFrame;
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287 |
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288 | /*
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289 | * Termination frames.
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290 | */
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291 | pHdr->iFrame = 0xffffdead;
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292 | pHdr->auEos[0] = 0xffffdead;
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293 | pHdr->auEos[1] = 0xffffdead;
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294 | pHdr->auEos[2] = 0xffffdead;
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295 | for (unsigned c = 0; c < 20; c++)
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296 | {
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297 | RTTEST_CHECK_RC_OK(g_hTest, rc = tstIntNetSendBuf(&pArgs->pBuf->Send, pArgs->hIf, g_pSession,
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298 | abBuf, sizeof(RTMAC) * 2 + sizeof(unsigned) * 4));
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299 | RTThreadSleep(1);
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300 | }
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301 |
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302 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
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303 | "sender thread %.6Rhxs terminating.\n"
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304 | "iFrame=%u cb=%'u\n",
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305 | &pArgs->Mac, iFrame, cbSent);
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306 | return 0;
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307 | }
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308 |
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309 |
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310 | /** Ignore lost frames. It only makes things worse to bitch about it. */
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311 | #define IGNORE_LOST_FRAMES
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312 |
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313 | /**
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314 | * Receive thread.
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315 | * This is reading stuff from the network.
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316 | */
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317 | static DECLCALLBACK(int) ReceiveThread(RTTHREAD hThreadSelf, void *pvArg)
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318 | {
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319 | uint32_t cbReceived = 0;
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320 | uint32_t cLostFrames = 0;
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321 | uint32_t iFrame = UINT32_MAX;
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322 | PMYARGS pArgs = (PMYARGS)pvArg;
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323 | NOREF(hThreadSelf);
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324 |
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325 | for (;;)
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326 | {
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327 | /*
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328 | * Read data.
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329 | */
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330 | while (IntNetRingHasMoreToRead(&pArgs->pBuf->Recv))
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331 | {
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332 | uint8_t abBuf[16384 + 1024];
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333 | MYFRAMEHDR *pHdr = (MYFRAMEHDR *)&abBuf[0];
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334 | uint32_t cb = IntNetRingReadAndSkipFrame(&pArgs->pBuf->Recv, abBuf);
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335 |
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336 | /* check for termination frame. */
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337 | if ( pHdr->iFrame == 0xffffdead
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338 | && pHdr->auEos[0] == 0xffffdead
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339 | && pHdr->auEos[1] == 0xffffdead
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340 | && pHdr->auEos[2] == 0xffffdead)
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341 | {
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342 | pArgs->u64End = RTTimeNanoTS();
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343 | RTThreadSleep(10);
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344 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
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345 | "receiver thread %.6Rhxs terminating.\n"
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346 | " iFrame=%u cb=%'u c=%'u %'uKB/s %'ufps cLost=%'u \n",
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347 | &pArgs->Mac, iFrame, cbReceived, iFrame - cLostFrames,
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348 | (unsigned)((double)cbReceived * 1000000000.0 / 1024 / (double)(pArgs->u64End - pArgs->u64Start)),
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349 | (unsigned)((double)(iFrame - cLostFrames) * 1000000000.0 / (double)(pArgs->u64End - pArgs->u64Start)),
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350 | cLostFrames);
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351 | return VINF_SUCCESS;
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352 | }
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353 |
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354 | /* validate frame header */
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355 | if ( pHdr->DstMac.au16[0] != pArgs->Mac.au16[0]
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356 | || pHdr->DstMac.au16[1] != pArgs->Mac.au16[1]
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357 | || pHdr->DstMac.au16[2] != pArgs->Mac.au16[2]
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358 | || pHdr->SrcMac.au16[0] != pArgs->Mac.au16[0]
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359 | || pHdr->SrcMac.au16[1] != pArgs->Mac.au16[1]
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360 | || pHdr->SrcMac.au16[2] != (pArgs->Mac.au16[2] + 1) % 2)
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361 | {
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362 | RTTestFailed(g_hTest, "receiver thread %.6Rhxs received frame header: %.16Rhxs\n", &pArgs->Mac, abBuf);
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363 | }
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364 |
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365 | /* frame stuff and stats. */
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366 | int32_t off = pHdr->iFrame - (iFrame + 1);
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367 | if (off)
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368 | {
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369 | if (off > 0)
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370 | {
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371 | #ifndef IGNORE_LOST_FRAMES
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372 | RTTestFailed(g_hTest, "receiver thread %.6Rhxs: iFrame=%#x *puFrame=%#x off=%d\n",
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373 | &pArgs->Mac, iFrame, pHdr->iFrame, off);
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374 | #endif
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375 | cLostFrames += off;
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376 | }
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377 | else
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378 | {
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379 | cLostFrames++;
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380 | RTTestFailed(g_hTest, "receiver thread %.6Rhxs: iFrame=%#x *puFrame=%#x off=%d\n",
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381 | &pArgs->Mac, iFrame, pHdr->iFrame, off);
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382 | }
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383 | }
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384 | iFrame = pHdr->iFrame;
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385 | cbReceived += cb;
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386 | }
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387 |
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388 | /*
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389 | * Wait for data.
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390 | */
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391 | int rc = IntNetR0IfWait(pArgs->hIf, g_pSession, RT_INDEFINITE_WAIT);
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392 | switch (rc)
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393 | {
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394 | case VERR_INTERRUPTED:
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395 | case VINF_SUCCESS:
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396 | break;
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397 | case VERR_SEM_DESTROYED:
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398 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
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399 | "receiver thread %.6Rhxs terminating. iFrame=%u cb=%'u c=%'u cLost=%'u\n",
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400 | &pArgs->Mac, iFrame, cbReceived, iFrame - cLostFrames, cLostFrames);
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401 | return VINF_SUCCESS;
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402 |
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403 | default:
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404 | RTTestFailed(g_hTest, "receiver thread %.6Rhxs got odd return value %Rrc! iFrame=%u cb=%'u c=%'u cLost=%'u\n",
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405 | &pArgs->Mac, rc, iFrame, cbReceived, iFrame - cLostFrames, cLostFrames);
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406 | return rc;
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407 | }
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408 |
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409 | }
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410 | }
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411 |
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412 |
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413 | /**
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414 | * Drains the interface buffer before starting a new bi-directional run.
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415 | *
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416 | * We may have termination frames from previous runs pending in the buffer.
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417 | */
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418 | static void tstDrainInterfaceBuffer(PMYARGS pArgs)
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419 | {
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420 | uint8_t abBuf[16384 + 1024];
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421 | while (IntNetRingHasMoreToRead(&pArgs->pBuf->Recv))
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422 | IntNetRingReadAndSkipFrame(&pArgs->pBuf->Recv, abBuf);
|
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423 | }
|
---|
424 |
|
---|
425 |
|
---|
426 | /**
|
---|
427 | * Test state.
|
---|
428 | */
|
---|
429 | typedef struct TSTSTATE
|
---|
430 | {
|
---|
431 | PINTNETBUF pBuf0;
|
---|
432 | INTNETIFHANDLE hIf0;
|
---|
433 |
|
---|
434 | PINTNETBUF pBuf1;
|
---|
435 | INTNETIFHANDLE hIf1;
|
---|
436 | } TSTSTATE;
|
---|
437 | typedef TSTSTATE *PTSTSTATE;
|
---|
438 |
|
---|
439 |
|
---|
440 | /**
|
---|
441 | * Open two internal network interfaces.
|
---|
442 | *
|
---|
443 | * @returns IPRT status of the first failure.
|
---|
444 | * @param pThis The test instance.
|
---|
445 | */
|
---|
446 | static int tstOpenInterfaces(PTSTSTATE pThis, const char *pszNetwork, uint32_t cbSend, uint32_t cbRecv)
|
---|
447 | {
|
---|
448 | pThis->hIf0 = INTNET_HANDLE_INVALID;
|
---|
449 | RTTESTI_CHECK_RC_OK_RET(IntNetR0Open(g_pSession, pszNetwork, kIntNetTrunkType_None, "", 0/*fFlags*/, cbSend, cbRecv,
|
---|
450 | NULL /*pfnRecvAvail*/, NULL /*pvUser*/, &pThis->hIf0), rcCheck);
|
---|
451 | RTTESTI_CHECK_RET(pThis->hIf0 != INTNET_HANDLE_INVALID, VERR_INTERNAL_ERROR);
|
---|
452 | RTTESTI_CHECK_RC_RET(IntNetR0IfGetBufferPtrs(pThis->hIf0, g_pSession, &pThis->pBuf0, NULL), VINF_SUCCESS, rcCheck);
|
---|
453 | RTTESTI_CHECK_RET(pThis->pBuf0, VERR_INTERNAL_ERROR);
|
---|
454 |
|
---|
455 |
|
---|
456 | pThis->hIf1 = INTNET_HANDLE_INVALID;
|
---|
457 | RTTESTI_CHECK_RC_OK_RET(IntNetR0Open(g_pSession, pszNetwork, kIntNetTrunkType_None, "", 0/*fFlags*/, cbSend, cbRecv,
|
---|
458 | NULL /*pfnRecvAvail*/, NULL /*pvUser*/, &pThis->hIf1), rcCheck);
|
---|
459 | RTTESTI_CHECK_RET(pThis->hIf1 != INTNET_HANDLE_INVALID, VERR_INTERNAL_ERROR);
|
---|
460 | RTTESTI_CHECK_RC_RET(IntNetR0IfGetBufferPtrs(pThis->hIf1, g_pSession, &pThis->pBuf1, NULL), VINF_SUCCESS, rcCheck);
|
---|
461 | RTTESTI_CHECK_RET(pThis->pBuf1, VERR_INTERNAL_ERROR);
|
---|
462 |
|
---|
463 | return VINF_SUCCESS;
|
---|
464 | }
|
---|
465 |
|
---|
466 | /**
|
---|
467 | * Close the interfaces.
|
---|
468 | *
|
---|
469 | * @param pThis The test instance.
|
---|
470 | */
|
---|
471 | static void tstCloseInterfaces(PTSTSTATE pThis)
|
---|
472 | {
|
---|
473 | int rc;
|
---|
474 | RTTESTI_CHECK_RC_OK(rc = IntNetR0IfClose(pThis->hIf0, g_pSession));
|
---|
475 | if (RT_SUCCESS(rc))
|
---|
476 | {
|
---|
477 | pThis->hIf0 = INTNET_HANDLE_INVALID;
|
---|
478 | pThis->pBuf0 = NULL;
|
---|
479 | }
|
---|
480 |
|
---|
481 | RTTESTI_CHECK_RC_OK(rc = IntNetR0IfClose(pThis->hIf1, g_pSession));
|
---|
482 | if (RT_SUCCESS(rc))
|
---|
483 | {
|
---|
484 | pThis->hIf1 = INTNET_HANDLE_INVALID;
|
---|
485 | pThis->pBuf1 = NULL;
|
---|
486 | }
|
---|
487 |
|
---|
488 | /* The network should be dead now. */
|
---|
489 | RTTESTI_CHECK(IntNetR0GetNetworkCount() == 0);
|
---|
490 | }
|
---|
491 |
|
---|
492 | /**
|
---|
493 | * Do the bi-directional transfer test.
|
---|
494 | */
|
---|
495 | static void tstBidirectionalTransfer(PTSTSTATE pThis, uint32_t cbFrame)
|
---|
496 | {
|
---|
497 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "-------------------------------------------------------------\n");
|
---|
498 |
|
---|
499 | /*
|
---|
500 | * Reset statistics.
|
---|
501 | */
|
---|
502 | pThis->pBuf0->cStatYieldsOk.c = 0;
|
---|
503 | pThis->pBuf0->cStatYieldsNok.c = 0;
|
---|
504 | pThis->pBuf0->cStatLost.c = 0;
|
---|
505 | pThis->pBuf0->cStatBadFrames.c = 0;
|
---|
506 | pThis->pBuf0->Recv.cStatFrames.c = 0;
|
---|
507 | pThis->pBuf0->Recv.cbStatWritten.c = 0;
|
---|
508 | pThis->pBuf0->Recv.cOverflows.c = 0;
|
---|
509 | pThis->pBuf0->Send.cStatFrames.c = 0;
|
---|
510 | pThis->pBuf0->Send.cbStatWritten.c = 0;
|
---|
511 | pThis->pBuf0->Send.cOverflows.c = 0;
|
---|
512 | pThis->pBuf1->cStatYieldsOk.c = 0;
|
---|
513 | pThis->pBuf1->cStatYieldsNok.c = 0;
|
---|
514 | pThis->pBuf1->cStatLost.c = 0;
|
---|
515 | pThis->pBuf1->cStatBadFrames.c = 0;
|
---|
516 | pThis->pBuf1->Recv.cStatFrames.c = 0;
|
---|
517 | pThis->pBuf1->Recv.cbStatWritten.c = 0;
|
---|
518 | pThis->pBuf1->Recv.cOverflows.c = 0;
|
---|
519 | pThis->pBuf1->Send.cStatFrames.c = 0;
|
---|
520 | pThis->pBuf1->Send.cbStatWritten.c = 0;
|
---|
521 | pThis->pBuf1->Send.cOverflows.c = 0;
|
---|
522 |
|
---|
523 | /*
|
---|
524 | * Do the benchmarking.
|
---|
525 | */
|
---|
526 | MYARGS Args0;
|
---|
527 | RT_ZERO(Args0);
|
---|
528 | Args0.hIf = pThis->hIf0;
|
---|
529 | Args0.pBuf = pThis->pBuf0;
|
---|
530 | Args0.Mac.au16[0] = 0x8086;
|
---|
531 | Args0.Mac.au16[1] = 0;
|
---|
532 | Args0.Mac.au16[2] = 0;
|
---|
533 | Args0.cbFrame = cbFrame;
|
---|
534 | tstDrainInterfaceBuffer(&Args0);
|
---|
535 | //RTTESTI_CHECK_RC_OK(IntNetR0IfSetMacAddress(pThis->hIf0, g_pSession, &Args0.Mac));
|
---|
536 |
|
---|
537 | MYARGS Args1;
|
---|
538 | RT_ZERO(Args1);
|
---|
539 | Args1.hIf = pThis->hIf1;
|
---|
540 | Args1.pBuf = pThis->pBuf1;
|
---|
541 | Args1.Mac.au16[0] = 0x8086;
|
---|
542 | Args1.Mac.au16[1] = 0;
|
---|
543 | Args1.Mac.au16[2] = 1;
|
---|
544 | Args1.cbFrame = cbFrame;
|
---|
545 | tstDrainInterfaceBuffer(&Args1);
|
---|
546 | //RTTESTI_CHECK_RC_OK(IntNetR0IfSetMacAddress(pThis->hIf1, g_pSession, &Args1.Mac));
|
---|
547 |
|
---|
548 | RTTHREAD ThreadRecv0 = NIL_RTTHREAD;
|
---|
549 | RTTHREAD ThreadRecv1 = NIL_RTTHREAD;
|
---|
550 | RTTHREAD ThreadSend0 = NIL_RTTHREAD;
|
---|
551 | RTTHREAD ThreadSend1 = NIL_RTTHREAD;
|
---|
552 | RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadRecv0, ReceiveThread, &Args0, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "RECV0"));
|
---|
553 | RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadRecv1, ReceiveThread, &Args1, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "RECV1"));
|
---|
554 | RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadSend0, SendThread, &Args0, 0, RTTHREADTYPE_EMULATION, RTTHREADFLAGS_WAITABLE, "SEND0"));
|
---|
555 | RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadSend1, SendThread, &Args1, 0, RTTHREADTYPE_EMULATION, RTTHREADFLAGS_WAITABLE, "SEND1"));
|
---|
556 |
|
---|
557 | int rc2 = VINF_SUCCESS;
|
---|
558 | int rc;
|
---|
559 | RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadSend0, RT_MS_5MIN, &rc2));
|
---|
560 | if (RT_SUCCESS(rc))
|
---|
561 | {
|
---|
562 | RTTESTI_CHECK_RC_OK(rc2);
|
---|
563 | ThreadSend0 = NIL_RTTHREAD;
|
---|
564 | RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadSend1, RT_MS_5MIN, RT_SUCCESS(rc2) ? &rc2 : NULL));
|
---|
565 | if (RT_SUCCESS(rc))
|
---|
566 | {
|
---|
567 | ThreadSend1 = NIL_RTTHREAD;
|
---|
568 | RTTESTI_CHECK_RC_OK(rc2);
|
---|
569 | }
|
---|
570 | }
|
---|
571 | if (RTTestErrorCount(g_hTest) == 0)
|
---|
572 | {
|
---|
573 | /*
|
---|
574 | * Wait a bit for the receivers to finish up.
|
---|
575 | */
|
---|
576 | unsigned cYields = 100000;
|
---|
577 | while ( ( IntNetRingHasMoreToRead(&pThis->pBuf0->Recv)
|
---|
578 | || IntNetRingHasMoreToRead(&pThis->pBuf1->Recv))
|
---|
579 | && cYields-- > 0)
|
---|
580 | RTThreadYield();
|
---|
581 |
|
---|
582 | /*
|
---|
583 | * Wait for the threads to finish up...
|
---|
584 | */
|
---|
585 | RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadRecv0, RT_MS_5SEC, &rc2));
|
---|
586 | if (RT_SUCCESS(rc))
|
---|
587 | {
|
---|
588 | RTTESTI_CHECK_RC_OK(rc2);
|
---|
589 | ThreadRecv0 = NIL_RTTHREAD;
|
---|
590 | }
|
---|
591 |
|
---|
592 | RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadRecv1, RT_MS_5MIN, &rc2));
|
---|
593 | if (RT_SUCCESS(rc))
|
---|
594 | {
|
---|
595 | RTTESTI_CHECK_RC_OK(rc2);
|
---|
596 | ThreadRecv1 = NIL_RTTHREAD;
|
---|
597 | }
|
---|
598 |
|
---|
599 | /*
|
---|
600 | * Report the results.
|
---|
601 | */
|
---|
602 | uint64_t cNsElapsed = RT_MAX(Args0.u64End, Args1.u64End) - RT_MIN(Args0.u64Start, Args1.u64Start);
|
---|
603 | uint64_t cbSent = (uint64_t)Args0.cbSent + Args1.cbSent;
|
---|
604 | uint64_t cKbps = (uint64_t)((double)(cbSent / 1024) / ((double)cNsElapsed / 1000000000.0));
|
---|
605 | uint64_t cFrames = (uint64_t)Args0.cFramesSent + Args1.cFramesSent;
|
---|
606 | uint64_t cFps = (uint64_t)((double)cFrames / ((double)cNsElapsed / 1000000000.0));
|
---|
607 | RTTestValue(g_hTest, "frame size", cbFrame, RTTESTUNIT_BYTES);
|
---|
608 | RTTestValue(g_hTest, "xmit time", cNsElapsed, RTTESTUNIT_NS);
|
---|
609 | RTTestValue(g_hTest, "bytes sent", cbSent, RTTESTUNIT_BYTES);
|
---|
610 | RTTestValue(g_hTest, "speed", cKbps, RTTESTUNIT_KILOBYTES_PER_SEC);
|
---|
611 | RTTestValue(g_hTest, "frames sent", cFrames, RTTESTUNIT_FRAMES);
|
---|
612 | RTTestValue(g_hTest, "fps", cFps, RTTESTUNIT_FRAMES_PER_SEC);
|
---|
613 | RTTestValue(g_hTest, "overflows",
|
---|
614 | pThis->pBuf0->Send.cOverflows.c + pThis->pBuf1->Send.cOverflows.c, RTTESTUNIT_OCCURRENCES);
|
---|
615 |
|
---|
616 | }
|
---|
617 |
|
---|
618 | /*
|
---|
619 | * Give them a chance to complete...
|
---|
620 | */
|
---|
621 | RTThreadWait(ThreadRecv0, RT_MS_5MIN, NULL);
|
---|
622 | RTThreadWait(ThreadRecv1, RT_MS_5MIN, NULL);
|
---|
623 | RTThreadWait(ThreadSend0, RT_MS_5MIN, NULL);
|
---|
624 | RTThreadWait(ThreadSend1, RT_MS_5MIN, NULL);
|
---|
625 |
|
---|
626 |
|
---|
627 | /*
|
---|
628 | * Display statistics.
|
---|
629 | */
|
---|
630 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
|
---|
631 | "Buf0: Yields-OK=%llu Yields-NOK=%llu Lost=%llu Bad=%llu\n",
|
---|
632 | pThis->pBuf0->cStatYieldsOk.c,
|
---|
633 | pThis->pBuf0->cStatYieldsNok.c,
|
---|
634 | pThis->pBuf0->cStatLost.c,
|
---|
635 | pThis->pBuf0->cStatBadFrames.c);
|
---|
636 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
|
---|
637 | "Buf0.Recv: Frames=%llu Bytes=%llu Overflows=%llu\n",
|
---|
638 | pThis->pBuf0->Recv.cStatFrames.c,
|
---|
639 | pThis->pBuf0->Recv.cbStatWritten.c,
|
---|
640 | pThis->pBuf0->Recv.cOverflows.c);
|
---|
641 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
|
---|
642 | "Buf0.Send: Frames=%llu Bytes=%llu Overflows=%llu\n",
|
---|
643 | pThis->pBuf0->Send.cStatFrames.c,
|
---|
644 | pThis->pBuf0->Send.cbStatWritten.c,
|
---|
645 | pThis->pBuf0->Send.cOverflows.c);
|
---|
646 |
|
---|
647 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
|
---|
648 | "Buf1: Yields-OK=%llu Yields-NOK=%llu Lost=%llu Bad=%llu\n",
|
---|
649 | pThis->pBuf1->cStatYieldsOk.c,
|
---|
650 | pThis->pBuf1->cStatYieldsNok.c,
|
---|
651 | pThis->pBuf1->cStatLost.c,
|
---|
652 | pThis->pBuf1->cStatBadFrames.c);
|
---|
653 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
|
---|
654 | "Buf1.Recv: Frames=%llu Bytes=%llu Overflows=%llu\n",
|
---|
655 | pThis->pBuf1->Recv.cStatFrames.c,
|
---|
656 | pThis->pBuf1->Recv.cbStatWritten.c,
|
---|
657 | pThis->pBuf1->Recv.cOverflows.c);
|
---|
658 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
|
---|
659 | "Buf1.Send: Frames=%llu Bytes=%llu Overflows=%llu\n",
|
---|
660 | pThis->pBuf1->Send.cStatFrames.c,
|
---|
661 | pThis->pBuf1->Send.cbStatWritten.c,
|
---|
662 | pThis->pBuf1->Send.cOverflows.c);
|
---|
663 |
|
---|
664 | }
|
---|
665 |
|
---|
666 | /**
|
---|
667 | * Performs a simple broadcast test.
|
---|
668 | *
|
---|
669 | * @param pThis The test instance.
|
---|
670 | * @param fHeadGuard Whether to use a head or tail guard.
|
---|
671 | */
|
---|
672 | static void doBroadcastTest(PTSTSTATE pThis, bool fHeadGuard)
|
---|
673 | {
|
---|
674 | static uint16_t const s_au16Frame[7] = { /* dst:*/ 0xffff, 0xffff, 0xffff, /*src:*/0x8086, 0, 0, 0x0800 };
|
---|
675 |
|
---|
676 | RTTESTI_CHECK_RC_RETV(tstIntNetSendBuf(&pThis->pBuf0->Send, pThis->hIf0,
|
---|
677 | g_pSession, &s_au16Frame, sizeof(s_au16Frame)),
|
---|
678 | VINF_SUCCESS);
|
---|
679 |
|
---|
680 | /* No echo, please */
|
---|
681 | RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf0, g_pSession, 1), VERR_TIMEOUT);
|
---|
682 |
|
---|
683 | /* The other interface should see it though. But Wait should only return once, thank you. */
|
---|
684 | RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf1, g_pSession, 1), VINF_SUCCESS);
|
---|
685 | RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf1, g_pSession, 0), VERR_TIMEOUT);
|
---|
686 |
|
---|
687 | /* Receive the data. */
|
---|
688 | const unsigned cbExpect = RT_ALIGN(sizeof(s_au16Frame) + sizeof(INTNETHDR), sizeof(INTNETHDR));
|
---|
689 | RTTESTI_CHECK_MSG(IntNetRingGetReadable(&pThis->pBuf1->Recv) == cbExpect,
|
---|
690 | ("%#x vs. %#x\n", IntNetRingGetReadable(&pThis->pBuf1->Recv), cbExpect));
|
---|
691 |
|
---|
692 | void *pvBuf;
|
---|
693 | RTTESTI_CHECK_RC_OK_RETV(RTTestGuardedAlloc(g_hTest, sizeof(s_au16Frame), 1, fHeadGuard, &pvBuf));
|
---|
694 | uint32_t cb;
|
---|
695 | RTTESTI_CHECK_MSG_RETV((cb = IntNetRingReadAndSkipFrame(&pThis->pBuf1->Recv, pvBuf)) == sizeof(s_au16Frame),
|
---|
696 | ("%#x vs. %#x\n", cb, sizeof(s_au16Frame)));
|
---|
697 |
|
---|
698 | if (memcmp(pvBuf, &s_au16Frame, sizeof(s_au16Frame)))
|
---|
699 | RTTestIFailed("Got invalid data!\n"
|
---|
700 | "received: %.*Rhxs\n"
|
---|
701 | "expected: %.*Rhxs\n",
|
---|
702 | cb, pvBuf, sizeof(s_au16Frame), &s_au16Frame);
|
---|
703 | }
|
---|
704 |
|
---|
705 | /**
|
---|
706 | * Performs a simple unicast test.
|
---|
707 | *
|
---|
708 | * @param pThis The test instance.
|
---|
709 | * @param fHeadGuard Whether to use a head or tail guard.
|
---|
710 | */
|
---|
711 | static void doUnicastTest(PTSTSTATE pThis, bool fHeadGuard)
|
---|
712 | {
|
---|
713 | static uint16_t const s_au16Frame[7] = { /* dst:*/ 0x8086, 0, 0, /*src:*/0x8086, 0, 1, 0x0800 };
|
---|
714 |
|
---|
715 | RTTESTI_CHECK_RC_RETV(tstIntNetSendBuf(&pThis->pBuf1->Send, pThis->hIf1,
|
---|
716 | g_pSession, s_au16Frame, sizeof(s_au16Frame)),
|
---|
717 | VINF_SUCCESS);
|
---|
718 |
|
---|
719 | /* No echo, please */
|
---|
720 | RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf1, g_pSession, 1), VERR_TIMEOUT);
|
---|
721 |
|
---|
722 | /* The other interface should see it though. But Wait should only return once, thank you. */
|
---|
723 | RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf0, g_pSession, 1), VINF_SUCCESS);
|
---|
724 | RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf0, g_pSession, 0), VERR_TIMEOUT);
|
---|
725 |
|
---|
726 | /* Receive the data. */
|
---|
727 | const unsigned cbExpect = RT_ALIGN(sizeof(s_au16Frame) + sizeof(INTNETHDR), sizeof(INTNETHDR));
|
---|
728 | RTTESTI_CHECK_MSG(IntNetRingGetReadable(&pThis->pBuf0->Recv) == cbExpect,
|
---|
729 | ("%#x vs. %#x\n", IntNetRingGetReadable(&pThis->pBuf0->Recv), cbExpect));
|
---|
730 |
|
---|
731 | void *pvBuf;
|
---|
732 | RTTESTI_CHECK_RC_OK_RETV(RTTestGuardedAlloc(g_hTest, sizeof(s_au16Frame), 1, fHeadGuard, &pvBuf));
|
---|
733 | uint32_t cb;
|
---|
734 | RTTESTI_CHECK_MSG_RETV((cb = IntNetRingReadAndSkipFrame(&pThis->pBuf0->Recv, pvBuf)) == sizeof(s_au16Frame),
|
---|
735 | ("%#x vs. %#x\n", cb, sizeof(s_au16Frame)));
|
---|
736 |
|
---|
737 | if (memcmp(pvBuf, &s_au16Frame, sizeof(s_au16Frame)))
|
---|
738 | RTTestIFailed("Got invalid data!\n"
|
---|
739 | "received: %.*Rhxs\n"
|
---|
740 | "expected: %.*Rhxs\n",
|
---|
741 | cb, pvBuf, sizeof(s_au16Frame), s_au16Frame);
|
---|
742 | }
|
---|
743 |
|
---|
744 | static void doTest(PTSTSTATE pThis, uint32_t cbRecv, uint32_t cbSend)
|
---|
745 | {
|
---|
746 |
|
---|
747 | /*
|
---|
748 | * Create an INTNET instance.
|
---|
749 | */
|
---|
750 | RTTestISub("IntNetR0Init");
|
---|
751 | RTTESTI_CHECK_RC_RETV(IntNetR0Init(), VINF_SUCCESS);
|
---|
752 |
|
---|
753 | /*
|
---|
754 | * Create two interfaces and activate them.
|
---|
755 | */
|
---|
756 | RTTestISub("Network creation");
|
---|
757 | int rc = tstOpenInterfaces(pThis, "test", cbSend, cbRecv);
|
---|
758 | if (RT_FAILURE(rc))
|
---|
759 | return;
|
---|
760 | RTTESTI_CHECK_RC(IntNetR0IfSetActive(pThis->hIf0, g_pSession, true), VINF_SUCCESS);
|
---|
761 | RTTESTI_CHECK_RC(IntNetR0IfSetActive(pThis->hIf1, g_pSession, true), VINF_SUCCESS);
|
---|
762 |
|
---|
763 | /*
|
---|
764 | * Test basic waiting.
|
---|
765 | */
|
---|
766 | RTTestISub("IntNetR0IfWait");
|
---|
767 | RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf0, g_pSession, 1), VERR_TIMEOUT);
|
---|
768 | RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf0, g_pSession, 0), VERR_TIMEOUT);
|
---|
769 | RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf1, g_pSession, 1), VERR_TIMEOUT);
|
---|
770 | RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf1, g_pSession, 0), VERR_TIMEOUT);
|
---|
771 |
|
---|
772 | /*
|
---|
773 | * Broadcast send and receive.
|
---|
774 | * (This establishes the MAC address of the 1st interface.)
|
---|
775 | */
|
---|
776 | RTTestISub("Broadcast");
|
---|
777 | doBroadcastTest(pThis, false /*fHeadGuard*/);
|
---|
778 | doBroadcastTest(pThis, true /*fHeadGuard*/);
|
---|
779 |
|
---|
780 | /*
|
---|
781 | * Unicast send and receive.
|
---|
782 | * (This establishes the MAC address of the 2nd interface.)
|
---|
783 | */
|
---|
784 | RTTestISub("Unicast");
|
---|
785 | doUnicastTest(pThis, false /*fHeadGuard*/);
|
---|
786 | doUnicastTest(pThis, true /*fHeadGuard*/);
|
---|
787 |
|
---|
788 | /*
|
---|
789 | * Do the big bi-directional transfer test if the basics worked out.
|
---|
790 | */
|
---|
791 | if (!RTTestIErrorCount())
|
---|
792 | {
|
---|
793 | RTTestISubF("bi-dir benchmark, xbuf=%u rbuf=%u xfer=%u",
|
---|
794 | pThis->pBuf0->cbSend, pThis->pBuf0->cbRecv, g_cbTransfer);
|
---|
795 | tstBidirectionalTransfer(pThis, 256);
|
---|
796 |
|
---|
797 | /* Only doing up to half the xmit buffer size as it is easy to get into a
|
---|
798 | bad frame position from a previous run and run into overflow issues. */
|
---|
799 | /** @todo fix the code so it skips to a more optimal buffer position? */
|
---|
800 | for (uint32_t cbFrame = 64; cbFrame < cbSend / 2 - 64; cbFrame += 16)
|
---|
801 | {
|
---|
802 | RTTestISubF("bi-dir benchmark, xbuf=%u rbuf=%u xmit=%u frm=%u",
|
---|
803 | pThis->pBuf0->cbSend, pThis->pBuf0->cbRecv, g_cbTransfer, cbFrame);
|
---|
804 | tstBidirectionalTransfer(pThis, cbFrame);
|
---|
805 | }
|
---|
806 | }
|
---|
807 |
|
---|
808 | /*
|
---|
809 | * Destroy the service.
|
---|
810 | */
|
---|
811 | tstCloseInterfaces(pThis);
|
---|
812 | IntNetR0Term();
|
---|
813 | }
|
---|
814 |
|
---|
815 |
|
---|
816 | int main(int argc, char **argv)
|
---|
817 | {
|
---|
818 | int rc = RTTestInitAndCreate("tstIntNetR0", &g_hTest);
|
---|
819 | if (rc)
|
---|
820 | return rc;
|
---|
821 |
|
---|
822 | /*
|
---|
823 | * Parse the arguments.
|
---|
824 | */
|
---|
825 | static RTGETOPTDEF const s_aOptions[] =
|
---|
826 | {
|
---|
827 | { "--recv-buffer", 'r', RTGETOPT_REQ_UINT32 },
|
---|
828 | { "--send-buffer", 's', RTGETOPT_REQ_UINT32 },
|
---|
829 | { "--transfer-size", 'l', RTGETOPT_REQ_UINT32 },
|
---|
830 | };
|
---|
831 |
|
---|
832 | uint32_t cbSend = 1536*2 + 4;
|
---|
833 | uint32_t cbRecv = 0x8000;
|
---|
834 |
|
---|
835 | int ch;
|
---|
836 | RTGETOPTUNION Value;
|
---|
837 | RTGETOPTSTATE GetState;
|
---|
838 | RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
|
---|
839 | while ((ch = RTGetOpt(&GetState, &Value)))
|
---|
840 | switch (ch)
|
---|
841 | {
|
---|
842 | case 'l':
|
---|
843 | g_cbTransfer = Value.u32;
|
---|
844 | break;
|
---|
845 |
|
---|
846 | case 'r':
|
---|
847 | cbRecv = Value.u32;
|
---|
848 | break;
|
---|
849 |
|
---|
850 | case 's':
|
---|
851 | cbSend = Value.u32;
|
---|
852 | break;
|
---|
853 |
|
---|
854 | default:
|
---|
855 | return RTGetOptPrintError(ch, &Value);
|
---|
856 | }
|
---|
857 |
|
---|
858 | /*
|
---|
859 | * Do the testing and report summary.
|
---|
860 | */
|
---|
861 | TSTSTATE This;
|
---|
862 | RT_ZERO(This);
|
---|
863 | doTest(&This, cbRecv, cbSend);
|
---|
864 |
|
---|
865 | return RTTestSummaryAndDestroy(g_hTest);
|
---|
866 | }
|
---|
867 |
|
---|