projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| cb323159 A |
1 | /* <rdar://problem/49479689> arm64 os_cpu_in_cksum_mbuf sometimes incorrect with unaligned input buffer */ |
| 2 | ||
| 3 | #include <assert.h> | |
| 4 | #include <stdlib.h> | |
| 5 | #include <inttypes.h> | |
| 6 | ||
| 7 | #include <darwintest.h> | |
| 8 | ||
| 9 | T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); | |
| 10 | ||
| 11 | extern uint32_t os_cpu_in_cksum(const void *, uint32_t, uint32_t); | |
| 12 | ||
| 13 | /****************************************************************/ | |
| 14 | static void | |
| 15 | log_hexdump(const void *inp, size_t len) | |
| 16 | { | |
| 17 | unsigned i, off = 0; | |
| 18 | char buf[9 + 16 * 3 + 1]; | |
| 19 | for (i = 0; i < len; i++) { | |
| 20 | if (i % 16 == 0) { | |
| 21 | off = (unsigned)snprintf(buf, sizeof(buf), "%08x:", i); | |
| 22 | } | |
| 23 | off += (unsigned)snprintf(buf + off, sizeof(buf) - off, " %02x", (((const uint8_t *)inp)[i]) & 0xff); | |
| 24 | if (i % 16 == 15) { | |
| 25 | T_LOG("%s", buf); | |
| 26 | } | |
| 27 | } | |
| 28 | if (len % 16) { | |
| 29 | T_LOG("%s", buf); | |
| 30 | } | |
| 31 | } | |
| 32 | ||
| 33 | /* I was going to use the one from rfc1701 section 4.1 | |
| 34 | * but then I saw the errata. Hopefully this is dumb but | |
| 35 | * correct, even though it is not particularly efficient. | |
| 36 | */ | |
| 37 | static uint16_t | |
| 38 | dumb_in_cksum(const uint8_t *buf, size_t len) | |
| 39 | { | |
| 40 | uint32_t partial = 0; | |
| 41 | while (len > 1) { | |
| 42 | uint16_t val = buf[1]; | |
| 43 | val <<= 8; | |
| 44 | val |= buf[0]; | |
| 45 | len -= 2; | |
| 46 | buf += 2; | |
| 47 | partial += val; | |
| 48 | while ((val = partial >> 16)) { | |
| 49 | partial &= 0xffff; | |
| 50 | partial += val; | |
| 51 | } | |
| 52 | } | |
| 53 | if (len) { | |
| 54 | uint16_t val = buf[0]; | |
| 55 | partial += val; | |
| 56 | while ((val = partial >> 16)) { | |
| 57 | partial &= 0xffff; | |
| 58 | partial += val; | |
| 59 | } | |
| 60 | } | |
| 61 | return ~partial & 0xffff; | |
| 62 | } | |
| 63 | ||
| 64 | /* Calculate a checksum divided into partial checksums */ | |
| 65 | static uint16_t | |
| 66 | split_in_cksum(const uint8_t *buf, int nsegs, const uint32_t *seglens, const uint8_t *aligns, uint8_t *tmpbuf) | |
| 67 | { | |
| 68 | uint32_t partial = 0; | |
| 69 | ||
| 70 | for (int i = 0; i < nsegs; i++) { | |
| 71 | /* Only the last segment can have an odd length */ | |
| 72 | assert((i + 1 == nsegs) || seglens[i] % 2 == 0); | |
| 73 | ||
| 74 | /* Copy a segment into the tmpbuf with the requested alignment */ | |
| 75 | memcpy(tmpbuf + aligns[i], buf, seglens[i]); | |
| 76 | ||
| 77 | partial = os_cpu_in_cksum(tmpbuf + aligns[i], seglens[i], partial); | |
| 78 | buf += seglens[i]; | |
| 79 | } | |
| 80 | ||
| 81 | return ~partial & 0xffff; | |
| 82 | } | |
| 83 | ||
| 84 | static void | |
| 85 | test_checksum(const uint8_t *data, uint32_t len) | |
| 86 | { | |
| 87 | uint16_t dsum = dumb_in_cksum(data, len); | |
| 88 | ||
| 89 | const uint8_t MAXALIGN = 8; | |
| 90 | ||
| 91 | uint8_t tmpbuf[len + MAXALIGN]; | |
| 92 | uint32_t seglens[2]; | |
| 93 | uint8_t aligns[2]; | |
| 94 | for (uint16_t split = 0; split < len; split += 2) { | |
| 95 | seglens[0] = split; | |
| 96 | seglens[1] = len - split; | |
| 97 | for (aligns[0] = 0; aligns[0] < MAXALIGN; aligns[0]++) { | |
| 98 | for (aligns[1] = 0; aligns[1] < MAXALIGN; aligns[1]++) { | |
| 99 | uint16_t osum = split_in_cksum(data, 2, seglens, aligns, tmpbuf); | |
| 100 | if (osum != dsum) { | |
| 101 | /* hexdump packet and alignments for debugging */ | |
| 102 | log_hexdump(data, len); | |
| 103 | T_LOG("len %d seg[0] %d seg[1] %d align[0] %d align[1] %d\n", len, seglens[0], seglens[1], aligns[0], aligns[1]); | |
| 104 | } | |
| 105 | T_QUIET; T_ASSERT_EQ(osum, dsum, "checksum mismatch got 0x%04x expecting 0x%04x", htons(osum), htons(dsum)); | |
| 106 | } | |
| 107 | } | |
| 108 | } | |
| 109 | T_PASS("OK len %d", len); | |
| 110 | } | |
| 111 | ||
| 112 | static void | |
| 113 | test_one_random_packet(uint32_t maxlen) | |
| 114 | { | |
| 115 | /* Pick a packet length */ | |
| 116 | uint32_t len = arc4random_uniform(maxlen); | |
| 117 | uint8_t data[len]; | |
| 118 | arc4random_buf(data, len); | |
| 119 | test_checksum(data, len); | |
| 120 | } | |
| 121 | ||
| 122 | /* | |
| 123 | * This is the checksummed portion of the first packet in checksum_error.pcap | |
| 124 | * It is known to cause a problem at splits 44 and 46 with second alignment of 1 or 3 | |
| 125 | */ | |
| 126 | static uint8_t pkt49479689[] = { | |
| 127 | /*00000000*/ 0xc0, 0xa8, 0x01, 0x06, 0xc0, 0xa8, 0x01, 0x07, 0x00, 0x06, 0x05, 0xc8, 0xcb, 0xf1, 0xc0, 0x24, // |...............$| | |
| 128 | /*00000010*/ 0x2d, 0x23, 0x48, 0xd6, 0x3b, 0x44, 0x96, 0x7f, 0x80, 0x10, 0x20, 0x86, 0x00, 0x00, 0x00, 0x00, // |-#H.;D.... ..,..| | |
| 129 | /*00000020*/ 0x01, 0x01, 0x08, 0x0a, 0x0c, 0xc4, 0x69, 0x3a, 0x31, 0x63, 0xb3, 0x37, 0x55, 0xe1, 0x62, 0x48, // |......i:1c.7U.bH| | |
| 130 | /*00000030*/ 0xa4, 0xff, 0xff, 0xa0, 0xc5, 0xd9, 0x5d, 0xd2, 0x4d, 0xe4, 0xca, 0xd7, 0x83, 0x27, 0xcc, 0x90, // |......].M....'..| | |
| 131 | /*00000040*/ 0x02, 0x26, 0x63, 0xd3, 0x02, 0x3c, 0xf1, 0x20, 0x15, 0xa6, 0x8b, 0xff, 0x98, 0x8d, 0x57, 0x2a, // |.&c..<. ......W*| | |
| 132 | /*00000050*/ 0x06, 0x4b, 0x06, 0x49, 0x5d, 0x8a, 0x28, 0x66, 0xe6, 0x57, 0x71, 0xd9, 0x27, 0xd1, 0xb9, 0xd6, // |.K.I].(f.Wq.'...| | |
| 133 | /*00000060*/ 0x20, 0x48, 0x13, 0x2e, 0xbf, 0x30, 0x8c, 0xce, 0x49, 0x99, 0x2a, 0xb7, 0x94, 0xa4, 0x3a, 0x8e, // | H...0..I.*...:.| | |
| 134 | /*00000070*/ 0x35, 0xcc, 0x48, 0xb2, 0x7f, 0xe1, 0xca, 0x2f, 0x08, 0x49, 0x7f, 0x35, 0x61, 0xcf, 0x59, 0xa2, // |5.H..../.I.5a.Y.| | |
| 135 | /*00000080*/ 0x3a, 0x5e, 0x10, 0x5a, 0x0a, 0xd7, 0xa2, 0x38, 0x64, 0xe1, 0x7c, 0x5d, 0xbd, 0x29, 0x65, 0x5a, // |:^.Z...8d.|].)eZ| | |
| 136 | /*00000090*/ 0xf2, 0x14, 0x30, 0x51, 0x9b, 0x56, 0xbb, 0xe2, 0x04, 0x48, 0x04, 0x23, 0x53, 0x30, 0x3a, 0x0a, // |..0Q.V...H.#S0:.| | |
| 137 | /*000000a0*/ 0x48, 0x5a, 0xdd, 0xe4, 0xd7, 0x5e, 0x5b, 0x5d, 0x90, 0x89, 0x7d, 0xf0, 0xad, 0x24, 0x1a, 0xa8, // |HZ...^[]..}..$..| | |
| 138 | /*000000b0*/ 0x81, 0xc1, 0x6b, 0x11, 0x97, 0x68, 0xc0, 0xbb, 0xe4, 0x5c, 0xba, 0x1a, 0xe8, 0x9c, 0xc9, 0x8b, // |..k..h...\......| | |
| 139 | /*000000c0*/ 0xb8, 0x2b, 0x11, 0x85, 0x7f, 0xbf, 0x19, 0x81, 0xb0, 0xfc, 0xfd, 0x4a, 0xac, 0x7b, 0xd3, 0x60, // |.+.........J.{.`| | |
| 140 | /*000000d0*/ 0x44, 0x1f, 0x5e, 0x8d, 0x05, 0x6e, 0xd7, 0xd1, 0xef, 0x11, 0x84, 0xd3, 0x0d, 0x63, 0xcf, 0x56, // |D.^..n.......c.V| | |
| 141 | /*000000e0*/ 0xf9, 0x27, 0xc4, 0xd0, 0x39, 0x0e, 0xac, 0x7e, 0xba, 0xb3, 0xb8, 0x9c, 0x21, 0x21, 0xc8, 0xa0, // |.'..9..~....!!..| | |
| 142 | /*000000f0*/ 0xbc, 0xd8, 0x82, 0x6f, 0x81, 0xa6, 0xc2, 0xf5, 0xe0, 0xdb, 0x41, 0xd0, 0xd4, 0x18, 0x2a, 0x5b, // |...o......A...*[| | |
| 143 | /*00000100*/ 0x93, 0x3d, 0x5a, 0x08, 0xe2, 0xac, 0x8d, 0xd3, 0x7d, 0xcc, 0x49, 0x33, 0xc9, 0xb8, 0x9e, 0x12, // |.=Z.....}.I3....| | |
| 144 | /*00000110*/ 0x86, 0x63, 0x38, 0x9c, 0xce, 0x4a, 0xb7, 0xcc, 0xe9, 0x4b, 0x5e, 0xb5, 0x24, 0x42, 0x47, 0x28, // |.c8..J...K^.$BG(| | |
| 145 | /*00000120*/ 0x1c, 0x09, 0xe8, 0x84, 0xa6, 0xf0, 0x5f, 0x03, 0x94, 0x6f, 0x6a, 0x18, 0x60, 0xc3, 0x12, 0x58, // |......_..oj.`..X| | |
| 146 | /*00000130*/ 0x6c, 0xbe, 0x13, 0x85, 0xa4, 0xdf, 0xe1, 0x8c, 0x3a, 0x04, 0xe9, 0x56, 0xa3, 0x09, 0x41, 0xf1, // |l.......:..V..A.| | |
| 147 | /*00000140*/ 0x70, 0xf5, 0xc4, 0x27, 0x8e, 0x18, 0x09, 0x56, 0x5f, 0x82, 0x08, 0xec, 0x84, 0x55, 0x3b, 0x58, // |p..'...V_....U;X| | |
| 148 | /*00000150*/ 0x84, 0x7b, 0xc8, 0x63, 0x70, 0x6a, 0x83, 0x04, 0xc8, 0xff, 0xe7, 0x6a, 0xbc, 0xee, 0xc0, 0xfe, // |.{.cpj.....j....| | |
| 149 | /*00000160*/ 0xef, 0x60, 0xb7, 0x04, 0xb5, 0x57, 0x53, 0x5b, 0xeb, 0x4d, 0xec, 0x22, 0xe8, 0x59, 0x22, 0x64, // |.`...WS[.M.".Y"d| | |
| 150 | /*00000170*/ 0x20, 0x5a, 0x61, 0x7d, 0x92, 0x02, 0x80, 0xd0, 0x85, 0x56, 0x98, 0x75, 0xbe, 0x35, 0xaf, 0xe4, // | Za}.....V.u.5..| | |
| 151 | /*00000180*/ 0xc3, 0x06, 0xfa, 0xc2, 0x29, 0xce, 0x80, 0xe2, 0x68, 0xf3, 0xd8, 0x4b, 0x72, 0x46, 0x6e, 0xa3, // |....)...h..KrFn.| | |
| 152 | /*00000190*/ 0x88, 0x57, 0xfb, 0x08, 0xec, 0x60, 0x2f, 0x3c, 0xa4, 0xaf, 0x08, 0x64, 0x45, 0x16, 0xba, 0x7b, // |.W...`/<...dE..{| | |
| 153 | /*000001a0*/ 0xad, 0x24, 0x7a, 0x1f, 0x53, 0x46, 0x0c, 0xe6, 0xe9, 0x99, 0xd7, 0x2b, 0x9d, 0x62, 0xd9, 0x4a, // |.$z.SF.....+.b.J| | |
| 154 | /*000001b0*/ 0x80, 0x2a, 0x43, 0xc2, 0x78, 0xa6, 0x6b, 0x38, 0x8e, 0xc8, 0x40, 0x6b, 0x03, 0xe2, 0x47, 0x04, // |.*C.x.k8..@k..G.| | |
| 155 | /*000001c0*/ 0xda, 0x08, 0x72, 0xf5, 0xbc, 0x66, 0x3f, 0x33, 0x4d, 0xb6, 0x26, 0xd0, 0x66, 0x8c, 0xa0, 0x70, // |..r..f?3M.&.f..p| | |
| 156 | /*000001d0*/ 0x25, 0xbc, 0x68, 0xda, 0x02, 0x79, 0x89, 0xed, 0x0c, 0xfc, 0xe7, 0x3d, 0x15, 0xcf, 0x5e, 0xc9, // |%.h..y.....=..^.| | |
| 157 | /*000001e0*/ 0x63, 0xe0, 0x64, 0xb1, 0xfb, 0x28, 0xf7, 0x29, 0x52, 0xcf, 0x7a, 0xe3, 0x6d, 0x46, 0xc5, 0x1a, // |c.d..(.)R.z.mF..| | |
| 158 | /*000001f0*/ 0x71, 0x24, 0x4e, 0x12, 0x56, 0x86, 0xc7, 0xf5, 0x98, 0x3e, 0xa9, 0xbc, 0x5d, 0xe9, 0x22, 0x88, // |q$N.V....>..].".| | |
| 159 | /*00000200*/ 0x9b, 0x61, 0xc4, 0xa2, 0xcc, 0x27, 0x54, 0x07, 0x88, 0xeb, 0xe1, 0x4e, 0xaa, 0x0a, 0xd6, 0x94, // |.a...'T....N....| | |
| 160 | /*00000210*/ 0x83, 0x32, 0xf8, 0x1d, 0xff, 0x67, 0xe5, 0x63, 0x78, 0x04, 0x11, 0x24, 0x25, 0xd7, 0x22, 0x54, // |.2...g.cx..$%."T| | |
| 161 | /*00000220*/ 0x73, 0x87, 0xc9, 0x53, 0x72, 0x51, 0xda, 0x24, 0x33, 0xd7, 0x5c, 0x40, 0x86, 0x77, 0xf9, 0xc2, // |s..SrQ.$3.\@.w..| | |
| 162 | /*00000230*/ 0xeb, 0x7d, 0x4c, 0x72, 0xeb, 0xc9, 0x8b, 0xcc, 0x79, 0xcd, 0x4a, 0x5a, 0x9e, 0xe2, 0x83, 0x20, // |.}Lr....y.JZ... | | |
| 163 | /*00000240*/ 0x19, 0x5b, 0x4b, 0xe6, 0x5c, 0xe2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x7b, 0x80, 0x69, // |.[K.\........{.i| | |
| 164 | /*00000250*/ 0x29, 0x53, 0x97, 0xc2, 0xc9, 0x4c, 0x00, 0x00, 0x00, 0x00, 0x67, 0x75, 0x81, 0x80, 0x12, 0x6e, // |)S...L....gu...n| | |
| 165 | /*00000260*/ 0x50, 0x66, 0xe9, 0x0a, 0x28, 0x3b, 0x1a, 0xf1, 0xcb, 0x46, 0x72, 0xf7, 0xe9, 0x9f, 0x84, 0x29, // |Pf..(;...Fr....)| | |
| 166 | /*00000270*/ 0xb9, 0x95, 0xf9, 0x6d, 0x5d, 0x04, 0x51, 0x7f, 0x0e, 0xf0, 0xe4, 0x3d, 0x4b, 0xd2, 0xb2, 0xb5, // |...m].Q....=K...| | |
| 167 | /*00000280*/ 0x51, 0xf0, 0x31, 0x8e, 0x55, 0x18, 0x54, 0xf7, 0xee, 0x03, 0x37, 0x07, 0x33, 0x43, 0x8b, 0x5a, // |Q.1.U.T...7.3C.Z| | |
| 168 | /*00000290*/ 0x1d, 0x16, 0xe8, 0xc4, 0x8b, 0x2c, 0x8a, 0x01, 0x5c, 0x45, 0xc6, 0xd1, 0x9d, 0xa9, 0x0a, 0xe2, // |.....,..\E......| | |
| 169 | /*000002a0*/ 0x15, 0x4b, 0x8b, 0x00, 0x84, 0xbf, 0x3d, 0xad, 0xed, 0x86, 0x8e, 0x5c, 0x76, 0xe9, 0xbe, 0x4b, // |.K....=....\v..K| | |
| 170 | /*000002b0*/ 0xd5, 0xb5, 0xb0, 0x08, 0x7f, 0xd7, 0x71, 0x57, 0x44, 0x67, 0x31, 0x8b, 0x43, 0x7d, 0xf8, 0x5a, // |......qWDg1.C}.Z| | |
| 171 | /*000002c0*/ 0xcd, 0xe6, 0x4c, 0xec, 0x89, 0xa5, 0xd1, 0x03, 0x86, 0xfd, 0x01, 0x7d, 0x22, 0x32, 0xf0, 0xc3, // |..L........}"2..| | |
| 172 | /*000002d0*/ 0x23, 0x99, 0x8e, 0x69, 0x14, 0x54, 0x54, 0x03, 0xec, 0x27, 0x6a, 0x7d, 0x13, 0xc7, 0xe2, 0x39, // |#..i.TT..'j}...9| | |
| 173 | /*000002e0*/ 0x2b, 0xc0, 0x1a, 0x70, 0x82, 0xe9, 0x80, 0x73, 0xf4, 0x27, 0x26, 0xca, 0x5c, 0xf6, 0x7f, 0x46, // |+..p...s.'&.\..F| | |
| 174 | /*000002f0*/ 0xf7, 0x00, 0x58, 0x3c, 0x3a, 0xcc, 0x1e, 0x9b, 0xd2, 0x22, 0x78, 0x04, 0x23, 0xc6, 0xfb, 0xdf, // |..X<:...."x.#...| | |
| 175 | /*00000300*/ 0x8b, 0x36, 0xd6, 0xfa, 0xd8, 0x53, 0xbd, 0x0e, 0xaf, 0x1a, 0x04, 0xd1, 0x81, 0xd6, 0x1f, 0x1a, // |.6...S..........| | |
| 176 | /*00000310*/ 0x74, 0x4d, 0xcf, 0xf6, 0xcf, 0x61, 0x6c, 0xd9, 0x7f, 0x1e, 0xb3, 0x1c, 0x2e, 0x74, 0x1a, 0x37, // |tM...al......t.7| | |
| 177 | /*00000320*/ 0xfa, 0x2a, 0x24, 0x6d, 0xc2, 0x6d, 0x54, 0xfb, 0xd7, 0x9b, 0x34, 0x87, 0xeb, 0xac, 0x38, 0xc7, // |.*$m.mT...4...8.| | |
| 178 | /*00000330*/ 0xe3, 0xc9, 0x6a, 0x98, 0x04, 0x2b, 0x33, 0x2d, 0x87, 0xf4, 0x25, 0xd6, 0x64, 0x14, 0xe8, 0xd0, // |..j..+3-..%.d...| | |
| 179 | /*00000340*/ 0x84, 0x18, 0xc0, 0x39, 0x4d, 0xb5, 0xe5, 0xe2, 0xdb, 0x74, 0x59, 0x52, 0xad, 0x91, 0x1a, 0x55, // |...9M....tYR...U| | |
| 180 | /*00000350*/ 0xae, 0xa3, 0xe1, 0x73, 0x4e, 0x76, 0x14, 0x94, 0xab, 0xec, 0x69, 0xb7, 0x0c, 0xa3, 0x71, 0x14, // |...sNv....i...q.| | |
| 181 | /*00000360*/ 0x04, 0xbf, 0xf9, 0x75, 0xca, 0x2b, 0x8a, 0xa4, 0x5b, 0xe6, 0xe8, 0x61, 0x8d, 0xad, 0x1a, 0x62, // |...u.+..[..a...b| | |
| 182 | /*00000370*/ 0x97, 0xaa, 0xfa, 0x3f, 0x88, 0x75, 0xcd, 0xe7, 0x29, 0x66, 0xbd, 0xcf, 0x50, 0xfd, 0x10, 0x09, // |...?.u..)f..P...| | |
| 183 | /*00000380*/ 0x45, 0x2e, 0x97, 0xd5, 0x7c, 0xb4, 0x12, 0x7a, 0x5f, 0xfc, 0x1c, 0x74, 0x02, 0xf0, 0xa7, 0x98, // |E...|..z_..t....| | |
| 184 | /*00000390*/ 0xd2, 0x03, 0x86, 0x19, 0x08, 0x54, 0x3d, 0x4d, 0x88, 0x13, 0x88, 0x87, 0x26, 0x61, 0x3e, 0x88, // |.....T=M....&a>.| | |
| 185 | /*000003a0*/ 0xf8, 0x18, 0xcc, 0xac, 0x6f, 0xec, 0x12, 0x57, 0xfe, 0x80, 0xa3, 0xbe, 0x04, 0x39, 0x52, 0xe0, // |....o..W.....9R.| | |
| 186 | /*000003b0*/ 0xc3, 0xfa, 0xed, 0x4f, 0xf5, 0x07, 0x59, 0x7e, 0xfa, 0xb9, 0x35, 0x36, 0xf2, 0x55, 0x23, 0xab, // |...O..Y~..56.U#.| | |
| 187 | /*000003c0*/ 0x15, 0x65, 0x57, 0xb2, 0xce, 0xdb, 0x63, 0xe0, 0x1f, 0x1f, 0xa5, 0xfa, 0x70, 0x2e, 0x53, 0x76, // |.eW...c.....p.Sv| | |
| 188 | /*000003d0*/ 0x20, 0x5b, 0x54, 0xc2, 0x0f, 0xe9, 0xca, 0x2c, 0x82, 0xf1, 0x30, 0x61, 0xbb, 0x99, 0x1e, 0x2a, // | [T....,..0a...*| | |
| 189 | /*000003e0*/ 0xa2, 0x71, 0x91, 0x39, 0x07, 0xda, 0xcd, 0x50, 0xbb, 0x73, 0x5b, 0xa4, 0x05, 0x26, 0xee, 0x9f, // |.q.9...P.s[..&..| | |
| 190 | /*000003f0*/ 0x5e, 0x88, 0x72, 0x92, 0xc9, 0x60, 0x2b, 0xd7, 0x6a, 0x91, 0x40, 0x52, 0x6b, 0xd1, 0xab, 0x00, // |^.r..`+.j.@Rk...| | |
| 191 | /*00000400*/ 0xcc, 0x60, 0x53, 0x9b, 0x36, 0x40, 0x3b, 0x60, 0x18, 0x7f, 0x5f, 0xc2, 0x8c, 0x44, 0x08, 0xae, // |.`S.6@;`.._..D..| | |
| 192 | /*00000410*/ 0x95, 0xae, 0x8c, 0xd7, 0x8d, 0x68, 0x4a, 0x42, 0x64, 0x1d, 0xdf, 0xdc, 0x17, 0x1a, 0x28, 0xe0, // |.....hJBd.....(.| | |
| 193 | /*00000420*/ 0x55, 0x35, 0x00, 0x65, 0xe4, 0xd4, 0xd7, 0x3e, 0x1c, 0x6a, 0xa1, 0xbf, 0xba, 0xd8, 0x29, 0xce, // |U5.e...>.j....).| | |
| 194 | /*00000430*/ 0xa6, 0x1f, 0xf9, 0x06, 0xff, 0x70, 0x43, 0xc8, 0xa0, 0x49, 0x03, 0xcd, 0x19, 0xf2, 0x16, 0x01, // |.....pC..I......| | |
| 195 | /*00000440*/ 0x46, 0xf0, 0x29, 0xdb, 0xc2, 0x85, 0x89, 0x20, 0x37, 0x91, 0xd3, 0x74, 0x1c, 0x38, 0x08, 0xb3, // |F.).... 7..t.8..| | |
| 196 | /*00000450*/ 0xd5, 0xa3, 0x4c, 0x52, 0x6e, 0xb3, 0x24, 0xc0, 0xbc, 0xd6, 0xc6, 0x64, 0x0b, 0x40, 0x44, 0xc4, // |..LRn.$....d.@D.| | |
| 197 | /*00000460*/ 0xb9, 0x11, 0x10, 0x2a, 0xcd, 0x43, 0x99, 0x47, 0xe9, 0xfb, 0xf0, 0xe0, 0x56, 0x13, 0x40, 0x41, // |...*.C.G....V.@A| | |
| 198 | /*00000470*/ 0x8a, 0x41, 0xcc, 0x92, 0x8d, 0xd5, 0xb9, 0x47, 0x05, 0xc7, 0x72, 0x76, 0x02, 0x09, 0x05, 0xd9, // |.A.....G..rv....| | |
| 199 | /*00000480*/ 0x12, 0xb6, 0xa8, 0x0a, 0x86, 0x28, 0x5c, 0x41, 0x7e, 0xf1, 0xbc, 0xa9, 0x93, 0xae, 0xdf, 0x0b, // |.....(\A~.......| | |
| 200 | /*00000490*/ 0xa1, 0xfc, 0x47, 0xb5, 0xde, 0x1c, 0x25, 0xe9, 0x8b, 0xb2, 0x03, 0x3a, 0xa7, 0x36, 0x4e, 0xcb, // |..G...%....:.6N.| | |
| 201 | /*000004a0*/ 0xfa, 0xcd, 0xe6, 0x4f, 0x67, 0x3f, 0xe2, 0xa3, 0x3d, 0xdb, 0x61, 0x0d, 0x99, 0x05, 0x15, 0x96, // |...Og?..=.a.....| | |
| 202 | /*000004b0*/ 0x14, 0x4e, 0x89, 0xf7, 0x8b, 0xdd, 0x84, 0x48, 0x35, 0xa8, 0x5c, 0x73, 0x67, 0x5d, 0x55, 0x5d, // |.N.....H5.\sg]U]| | |
| 203 | /*000004c0*/ 0xe2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x82, 0x80, 0x69, 0x29, 0x54, 0x97, 0xc2, 0xcd, // |..........i)T...| | |
| 204 | /*000004d0*/ 0x4c, 0x00, 0x00, 0x00, 0x00, 0x44, 0x07, 0x64, 0xa1, 0x66, 0xe3, 0x3c, 0x6e, 0x51, 0x96, 0x6a, // |L....D.d.f.<nQ.j| | |
| 205 | /*000004e0*/ 0x06, 0x8c, 0x08, 0x92, 0x24, 0x03, 0xe1, 0xc2, 0xce, 0x80, 0x56, 0x75, 0x78, 0xd3, 0xc8, 0x1d, // |....$.....Vux...| | |
| 206 | /*000004f0*/ 0x52, 0xc6, 0x32, 0xbf, 0x89, 0x91, 0x1a, 0x81, 0x9f, 0x11, 0x69, 0xd6, 0x9b, 0x27, 0x20, 0x19, // |R.2.......i..' .| | |
| 207 | /*00000500*/ 0x59, 0x12, 0x2d, 0x85, 0x7e, 0x3a, 0xed, 0xa9, 0xd7, 0x92, 0xa4, 0x2d, 0xce, 0x2f, 0xf0, 0xd4, // |Y.-.~:.....-./..| | |
| 208 | /*00000510*/ 0x0e, 0xec, 0xe4, 0xd8, 0x0c, 0xaf, 0x1c, 0x28, 0xe8, 0x47, 0xef, 0x04, 0x61, 0x2a, 0x38, 0x94, // |.......(.G..a*8.| | |
| 209 | /*00000520*/ 0x40, 0x2f, 0x92, 0x3e, 0x8a, 0xcd, 0x24, 0xfc, 0xba, 0xa6, 0x68, 0xa7, 0x2c, 0xbb, 0xc1, 0x67, // |@/.>..$...h.,..g| | |
| 210 | /*00000530*/ 0x5f, 0x0b, 0x85, 0x75, 0x70, 0xa5, 0x03, 0x0e, 0x25, 0xe2, 0x09, 0x34, 0x78, 0x66, 0x6f, 0xe0, // |_..up...%..4xfo.| | |
| 211 | /*00000540*/ 0xf6, 0xac, 0xaf, 0xc6, 0x4a, 0xbc, 0xda, 0xc5, 0x06, 0x9e, 0x53, 0xe8, 0x75, 0x0b, 0x50, 0xde, // |....J.....S.u.P.| | |
| 212 | /*00000550*/ 0xf7, 0xc0, 0x7f, 0x78, 0x97, 0x13, 0x22, 0x76, 0x18, 0x88, 0xf9, 0x99, 0xa1, 0x05, 0x42, 0xee, // |...x.."v......B.| | |
| 213 | /*00000560*/ 0x40, 0xf0, 0xb7, 0x00, 0x0e, 0xf5, 0xac, 0x7c, 0xe5, 0x8b, 0x1f, 0x05, 0xe3, 0xd1, 0x9d, 0x6b, // |@......|.......k| | |
| 214 | /*00000570*/ 0xd4, 0x9c, 0x3d, 0x14, 0x08, 0x21, 0xce, 0x72, 0x8f, 0x91, 0x9c, 0xba, 0xdd, 0x46, 0xcd, 0xef, // |..=..!.r.....F..| | |
| 215 | /*00000580*/ 0x6d, 0x7b, 0x0d, 0x7d, 0x59, 0x91, 0x05, 0xc2, 0xde, 0x6c, 0x8a, 0x65, 0xd0, 0x97, 0xb1, 0x93, // |m{.}Y....l.e....| | |
| 216 | /*00000590*/ 0x9f, 0x51, 0xec, 0x79, 0x30, 0x44, 0xbd, 0xe5, 0xdf, 0x94, 0xed, 0xad, 0x18, 0xd7, 0x24, 0x89, // |.Q.y0D........$.| | |
| 217 | /*000005a0*/ 0x36, 0x65, 0xc5, 0x88, 0xc0, 0x9a, 0xb7, 0xaa, 0x58, 0x60, 0xfe, 0x6c, 0xe8, 0xf3, 0x39, 0x6b, // |6e......X`.l..9k| | |
| 218 | /*000005b0*/ 0x45, 0xe6, 0x34, 0xbc, 0x61, 0x68, 0xa2, 0x70, 0x16, 0x49, 0x8b, 0x7d, 0x78, 0x09, 0x99, 0x21, // |E.4.ah.p.I.}x..!| | |
| 219 | /*000005c0*/ 0x5a, 0xea, 0xfd, 0xbc, 0x69, 0x23, 0xd5, 0x15, 0xd1, 0x5c, 0x32, 0x8b, 0xc0, 0x7b, 0xb2, 0x1e, // |Z...i#...\2..{..| | |
| 220 | /*000005d0*/ 0x56, 0xf1, 0x6b, 0xd0, // |V.k.| | |
| 221 | }; | |
| 222 | ||
| 223 | T_DECL(in_cksum_49479689a, "tests os_cpu_in_cksum with known problem packet in various random segmentation and memory alignment") | |
| 224 | { | |
| 225 | uint16_t dsum = dumb_in_cksum(pkt49479689, sizeof(pkt49479689)); | |
| 226 | T_ASSERT_EQ(ntohs(dsum), (uint16_t)0xa32b, "verifying dumb chksum"); | |
| 227 | test_checksum(pkt49479689, sizeof(pkt49479689)); | |
| 228 | } | |
| 229 | ||
| 230 | T_DECL(in_cksum_49479689b, "tests os_cpu_in_cksum with many random packets in various random segmentation and memory alignment") | |
| 231 | { | |
| 232 | for (int i = 0; i < 100; i++) { | |
| 233 | test_one_random_packet(4096); | |
| 234 | } | |
| 235 | } |