| 1 | |
| 2 |
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| 3 | #include <test_progs.h>
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| 4 | #include "csum_diff_test.skel.h"
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| 5 |
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| 6 | #define BUFF_SZ 512
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| 7 |
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| 8 | struct testcase {
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| 9 | unsigned long long to_buff[BUFF_SZ / 8];
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| 10 | unsigned int to_buff_len;
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| 11 | unsigned long long from_buff[BUFF_SZ / 8];
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| 12 | unsigned int from_buff_len;
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| 13 | unsigned short seed;
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| 14 | unsigned short result;
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| 15 | };
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| 16 |
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| 17 | #define NUM_PUSH_TESTS 4
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| 18 |
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| 19 | struct testcase push_tests[NUM_PUSH_TESTS] = {
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| 20 | {
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| 21 | .to_buff = {
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| 22 | 0xdeadbeefdeadbeef,
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| 23 | },
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| 24 | .to_buff_len = 8,
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| 25 | .from_buff = {},
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| 26 | .from_buff_len = 0,
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| 27 | .seed = 0,
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| 28 | .result = 0x3b3b
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| 29 | },
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| 30 | {
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| 31 | .to_buff = {
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| 32 | 0xdeadbeefdeadbeef,
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| 33 | 0xbeefdeadbeefdead,
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| 34 | },
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| 35 | .to_buff_len = 16,
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| 36 | .from_buff = {},
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| 37 | .from_buff_len = 0,
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| 38 | .seed = 0x1234,
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| 39 | .result = 0x88aa
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| 40 | },
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| 41 | {
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| 42 | .to_buff = {
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| 43 | 0xdeadbeefdeadbeef,
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| 44 | 0xbeefdeadbeefdead,
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| 45 | },
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| 46 | .to_buff_len = 15,
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| 47 | .from_buff = {},
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| 48 | .from_buff_len = 0,
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| 49 | .seed = 0x1234,
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| 50 | #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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| 51 | .result = 0xcaa9
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| 52 | #else
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| 53 | .result = 0x87fd
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| 54 | #endif
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| 55 | },
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| 56 | {
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| 57 | .to_buff = {
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| 58 | 0x327b23c66b8b4567,
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| 59 | 0x66334873643c9869,
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| 60 | 0x19495cff74b0dc51,
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| 61 | 0x625558ec2ae8944a,
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| 62 | 0x46e87ccd238e1f29,
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| 63 | 0x507ed7ab3d1b58ba,
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| 64 | 0x41b71efb2eb141f2,
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| 65 | 0x7545e14679e2a9e3,
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| 66 | 0x5bd062c2515f007c,
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| 67 | 0x4db127f812200854,
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| 68 | 0x1f16e9e80216231b,
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| 69 | 0x66ef438d1190cde7,
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| 70 | 0x3352255a140e0f76,
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| 71 | 0x0ded7263109cf92e,
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| 72 | 0x1befd79f7fdcc233,
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| 73 | 0x6b68079a41a7c4c9,
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| 74 | 0x25e45d324e6afb66,
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| 75 | 0x431bd7b7519b500d,
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| 76 | 0x7c83e4583f2dba31,
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| 77 | 0x62bbd95a257130a3,
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| 78 | 0x628c895d436c6125,
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| 79 | 0x721da317333ab105,
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| 80 | 0x2d1d5ae92443a858,
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| 81 | 0x75a2a8d46763845e,
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| 82 | 0x79838cb208edbdab,
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| 83 | 0x0b03e0c64353d0cd,
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| 84 | 0x54e49eb4189a769b,
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| 85 | 0x2ca8861171f32454,
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| 86 | 0x02901d820836c40e,
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| 87 | 0x081386413a95f874,
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| 88 | 0x7c3dbd3d1e7ff521,
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| 89 | 0x6ceaf087737b8ddc,
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| 90 | 0x4516dde922221a70,
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| 91 | 0x614fd4a13006c83e,
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| 92 | 0x5577f8e1419ac241,
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| 93 | 0x05072367440badfc,
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| 94 | 0x77465f013804823e,
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| 95 | 0x5c482a977724c67e,
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| 96 | 0x5e884adc2463b9ea,
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| 97 | 0x2d51779651ead36b,
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| 98 | 0x153ea438580bd78f,
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| 99 | 0x70a64e2a3855585c,
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| 100 | 0x2a487cb06a2342ec,
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| 101 | 0x725a06fb1d4ed43b,
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| 102 | 0x57e4ccaf2cd89a32,
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| 103 | 0x4b588f547a6d8d3c,
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| 104 | 0x6de91b18542289ec,
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| 105 | 0x7644a45c38437fdb,
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| 106 | 0x684a481a32fff902,
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| 107 | 0x749abb43579478fe,
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| 108 | 0x1ba026fa3dc240fb,
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| 109 | 0x75c6c33a79a1deaa,
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| 110 | 0x70c6a52912e685fb,
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| 111 | 0x374a3fe6520eedd1,
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| 112 | 0x23f9c13c4f4ef005,
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| 113 | 0x275ac794649bb77c,
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| 114 | 0x1cf10fd839386575,
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| 115 | 0x235ba861180115be,
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| 116 | 0x354fe9f947398c89,
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| 117 | 0x741226bb15b5af5c,
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| 118 | 0x10233c990d34b6a8,
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| 119 | 0x615740953f6ab60f,
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| 120 | 0x77ae35eb7e0c57b1,
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| 121 | 0x310c50b3579be4f1,
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| 122 | },
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| 123 | .to_buff_len = 512,
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| 124 | .from_buff = {},
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| 125 | .from_buff_len = 0,
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| 126 | .seed = 0xffff,
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| 127 | .result = 0xca45
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| 128 | },
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| 129 | };
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| 130 |
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| 131 | #define NUM_PULL_TESTS 4
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| 132 |
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| 133 | struct testcase pull_tests[NUM_PULL_TESTS] = {
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| 134 | {
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| 135 | .from_buff = {
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| 136 | 0xdeadbeefdeadbeef,
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| 137 | },
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| 138 | .from_buff_len = 8,
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| 139 | .to_buff = {},
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| 140 | .to_buff_len = 0,
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| 141 | .seed = 0,
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| 142 | .result = 0xc4c4
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| 143 | },
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| 144 | {
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| 145 | .from_buff = {
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| 146 | 0xdeadbeefdeadbeef,
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| 147 | 0xbeefdeadbeefdead,
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| 148 | },
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| 149 | .from_buff_len = 16,
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| 150 | .to_buff = {},
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| 151 | .to_buff_len = 0,
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| 152 | .seed = 0x1234,
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| 153 | .result = 0x9bbd
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| 154 | },
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| 155 | {
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| 156 | .from_buff = {
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| 157 | 0xdeadbeefdeadbeef,
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| 158 | 0xbeefdeadbeefdead,
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| 159 | },
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| 160 | .from_buff_len = 15,
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| 161 | .to_buff = {},
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| 162 | .to_buff_len = 0,
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| 163 | .seed = 0x1234,
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| 164 | #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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| 165 | .result = 0x59be
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| 166 | #else
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| 167 | .result = 0x9c6a
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| 168 | #endif
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| 169 | },
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| 170 | {
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| 171 | .from_buff = {
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| 172 | 0x327b23c66b8b4567,
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| 173 | 0x66334873643c9869,
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| 174 | 0x19495cff74b0dc51,
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| 175 | 0x625558ec2ae8944a,
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| 176 | 0x46e87ccd238e1f29,
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| 177 | 0x507ed7ab3d1b58ba,
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| 178 | 0x41b71efb2eb141f2,
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| 179 | 0x7545e14679e2a9e3,
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| 180 | 0x5bd062c2515f007c,
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| 181 | 0x4db127f812200854,
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| 182 | 0x1f16e9e80216231b,
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| 183 | 0x66ef438d1190cde7,
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| 184 | 0x3352255a140e0f76,
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| 185 | 0x0ded7263109cf92e,
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| 186 | 0x1befd79f7fdcc233,
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| 187 | 0x6b68079a41a7c4c9,
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| 188 | 0x25e45d324e6afb66,
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| 189 | 0x431bd7b7519b500d,
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| 190 | 0x7c83e4583f2dba31,
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| 191 | 0x62bbd95a257130a3,
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| 192 | 0x628c895d436c6125,
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| 193 | 0x721da317333ab105,
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| 194 | 0x2d1d5ae92443a858,
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| 195 | 0x75a2a8d46763845e,
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| 196 | 0x79838cb208edbdab,
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| 197 | 0x0b03e0c64353d0cd,
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| 198 | 0x54e49eb4189a769b,
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| 199 | 0x2ca8861171f32454,
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| 200 | 0x02901d820836c40e,
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| 201 | 0x081386413a95f874,
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| 202 | 0x7c3dbd3d1e7ff521,
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| 203 | 0x6ceaf087737b8ddc,
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| 204 | 0x4516dde922221a70,
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| 205 | 0x614fd4a13006c83e,
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| 206 | 0x5577f8e1419ac241,
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| 207 | 0x05072367440badfc,
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| 208 | 0x77465f013804823e,
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| 209 | 0x5c482a977724c67e,
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| 210 | 0x5e884adc2463b9ea,
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| 211 | 0x2d51779651ead36b,
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| 212 | 0x153ea438580bd78f,
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| 213 | 0x70a64e2a3855585c,
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| 214 | 0x2a487cb06a2342ec,
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| 215 | 0x725a06fb1d4ed43b,
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| 216 | 0x57e4ccaf2cd89a32,
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| 217 | 0x4b588f547a6d8d3c,
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| 218 | 0x6de91b18542289ec,
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| 219 | 0x7644a45c38437fdb,
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| 220 | 0x684a481a32fff902,
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| 221 | 0x749abb43579478fe,
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| 222 | 0x1ba026fa3dc240fb,
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| 223 | 0x75c6c33a79a1deaa,
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| 224 | 0x70c6a52912e685fb,
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| 225 | 0x374a3fe6520eedd1,
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| 226 | 0x23f9c13c4f4ef005,
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| 227 | 0x275ac794649bb77c,
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| 228 | 0x1cf10fd839386575,
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| 229 | 0x235ba861180115be,
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| 230 | 0x354fe9f947398c89,
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| 231 | 0x741226bb15b5af5c,
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| 232 | 0x10233c990d34b6a8,
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| 233 | 0x615740953f6ab60f,
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| 234 | 0x77ae35eb7e0c57b1,
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| 235 | 0x310c50b3579be4f1,
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| 236 | },
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| 237 | .from_buff_len = 512,
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| 238 | .to_buff = {},
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| 239 | .to_buff_len = 0,
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| 240 | .seed = 0xffff,
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| 241 | .result = 0x35ba
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| 242 | },
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| 243 | };
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| 244 |
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| 245 | #define NUM_DIFF_TESTS 4
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| 246 |
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| 247 | struct testcase diff_tests[NUM_DIFF_TESTS] = {
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| 248 | {
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| 249 | .from_buff = {
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| 250 | 0xdeadbeefdeadbeef,
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| 251 | },
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| 252 | .from_buff_len = 8,
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| 253 | .to_buff = {
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| 254 | 0xabababababababab,
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| 255 | },
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| 256 | .to_buff_len = 8,
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| 257 | .seed = 0,
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| 258 | .result = 0x7373
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| 259 | },
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| 260 | {
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| 261 | .from_buff = {
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| 262 | 0xdeadbeefdeadbeef,
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| 263 | },
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| 264 | .from_buff_len = 7,
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| 265 | .to_buff = {
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| 266 | 0xabababababababab,
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| 267 | },
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| 268 | .to_buff_len = 7,
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| 269 | .seed = 0,
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| 270 | #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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| 271 | .result = 0xa673
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| 272 | #else
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| 273 | .result = 0x73b7
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| 274 | #endif
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| 275 | },
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| 276 | {
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| 277 | .from_buff = {
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| 278 | 0,
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| 279 | },
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| 280 | .from_buff_len = 8,
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| 281 | .to_buff = {
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| 282 | 0xabababababababab,
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| 283 | },
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| 284 | .to_buff_len = 8,
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| 285 | .seed = 0,
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| 286 | .result = 0xaeae
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| 287 | },
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| 288 | {
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| 289 | .from_buff = {
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| 290 | 0xdeadbeefdeadbeef
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| 291 | },
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| 292 | .from_buff_len = 8,
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| 293 | .to_buff = {
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| 294 | 0,
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| 295 | },
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| 296 | .to_buff_len = 8,
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| 297 | .seed = 0xffff,
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| 298 | .result = 0xc4c4
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| 299 | },
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| 300 | };
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| 301 |
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| 302 | #define NUM_EDGE_TESTS 4
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| 303 |
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| 304 | struct testcase edge_tests[NUM_EDGE_TESTS] = {
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| 305 | {
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| 306 | .from_buff = {},
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| 307 | .from_buff_len = 0,
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| 308 | .to_buff = {},
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| 309 | .to_buff_len = 0,
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| 310 | .seed = 0,
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| 311 | .result = 0
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| 312 | },
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| 313 | {
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| 314 | .from_buff = {
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| 315 | 0x1234
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| 316 | },
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| 317 | .from_buff_len = 0,
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| 318 | .to_buff = {
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| 319 | 0x1234
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| 320 | },
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| 321 | .to_buff_len = 0,
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| 322 | .seed = 0,
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| 323 | .result = 0
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| 324 | },
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| 325 | {
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| 326 | .from_buff = {},
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| 327 | .from_buff_len = 0,
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| 328 | .to_buff = {},
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| 329 | .to_buff_len = 0,
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| 330 | .seed = 0x1234,
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| 331 | .result = 0x1234
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| 332 | },
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| 333 | {
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| 334 | .from_buff = {},
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| 335 | .from_buff_len = 512,
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| 336 | .to_buff = {},
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| 337 | .to_buff_len = 0,
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| 338 | .seed = 0xffff,
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| 339 | .result = 0xffff
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| 340 | },
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| 341 | };
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| 342 |
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| 343 | static unsigned short trigger_csum_diff(const struct csum_diff_test *skel)
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| 344 | {
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| 345 | u8 tmp_out[64 << 2] = {};
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| 346 | u8 tmp_in[64] = {};
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| 347 | int err;
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| 348 | int pfd;
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| 349 |
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| 350 | LIBBPF_OPTS(bpf_test_run_opts, topts,
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| 351 | .data_in = tmp_in,
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| 352 | .data_size_in = sizeof(tmp_in),
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| 353 | .data_out = tmp_out,
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| 354 | .data_size_out = sizeof(tmp_out),
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| 355 | .repeat = 1,
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| 356 | );
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| 357 | pfd = bpf_program__fd(skel->progs.compute_checksum);
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| 358 | err = bpf_prog_test_run_opts(pfd, &topts);
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| 359 | if (err)
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| 360 | return -1;
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| 361 |
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| 362 | return skel->bss->result;
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| 363 | }
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| 364 |
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| 365 | static void test_csum_diff(struct testcase *tests, int num_tests)
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| 366 | {
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| 367 | struct csum_diff_test *skel;
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| 368 | unsigned short got;
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| 369 | int err;
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| 370 |
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| 371 | for (int i = 0; i < num_tests; i++) {
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| 372 | skel = csum_diff_test__open();
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| 373 | if (!ASSERT_OK_PTR(skel, "csum_diff_test open"))
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| 374 | return;
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| 375 |
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| 376 | skel->rodata->to_buff_len = tests[i].to_buff_len;
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| 377 | skel->rodata->from_buff_len = tests[i].from_buff_len;
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| 378 |
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| 379 | err = csum_diff_test__load(skel);
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| 380 | if (!ASSERT_EQ(err, 0, "csum_diff_test load"))
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| 381 | goto out;
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| 382 |
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| 383 | memcpy(skel->bss->to_buff, tests[i].to_buff, tests[i].to_buff_len);
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| 384 | memcpy(skel->bss->from_buff, tests[i].from_buff, tests[i].from_buff_len);
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| 385 | skel->bss->seed = tests[i].seed;
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| 386 |
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| 387 | got = trigger_csum_diff(skel);
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| 388 | ASSERT_EQ(got, tests[i].result, "csum_diff result");
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| 389 |
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| 390 | csum_diff_test__destroy(skel);
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| 391 | }
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| 392 |
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| 393 | return;
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| 394 | out:
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| 395 | csum_diff_test__destroy(skel);
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| 396 | }
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| 397 |
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| 398 | void test_test_csum_diff(void)
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| 399 | {
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| 400 | if (test__start_subtest("csum_diff_push"))
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| 401 | test_csum_diff(push_tests, NUM_PUSH_TESTS);
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| 402 | if (test__start_subtest("csum_diff_pull"))
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| 403 | test_csum_diff(pull_tests, NUM_PULL_TESTS);
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| 404 | if (test__start_subtest("csum_diff_diff"))
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| 405 | test_csum_diff(diff_tests, NUM_DIFF_TESTS);
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| 406 | if (test__start_subtest("csum_diff_edge"))
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| 407 | test_csum_diff(edge_tests, NUM_EDGE_TESTS);
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| 408 | }
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