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a=ed25519-sha256; t=1706641842; l=28008; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=OXkEPeXIkht+YoQng/MxWn1wO8C5MNZ3Ps16D9SQXn0=; b=ceme5UTvNJej+Uv2+YRdNBN45gF/sPdU25YYKLipowcMaoZf5bBJNY2tlkWmxtiJimQjfBp9Y kBAMZdE6zS+BA7wLSE5PgwgBUiOn8YK1FrOzfyW4xITHK0OcwNCoDrW X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789543738967068217 X-GMAIL-MSGID: 1789543738967068217 The test cases for ip_fast_csum and csum_ipv6_magic were using arbitrary alignment of data to iterate through random inputs. ip_fast_csum should have the data aligned along (14 + NET_IP_ALIGN) bytes and csum_ipv6_magic should have data aligned along 32-bit boundaries. While this is being changed, fix up the awkward offset code in test_csum_ipv6_magic and use a struct instead. Signed-off-by: Charlie Jenkins Tested-by: Guenter Roeck Fixes: 6f4c45cbcb00 ("kunit: Add tests for csum_ipv6_magic and ip_fast_csum") --- lib/checksum_kunit.c | 386 +++++++++++++++++---------------------------------- 1 file changed, 127 insertions(+), 259 deletions(-) diff --git a/lib/checksum_kunit.c b/lib/checksum_kunit.c index 776ad3d6d5a1..4f16c354c706 100644 --- a/lib/checksum_kunit.c +++ b/lib/checksum_kunit.c @@ -13,8 +13,9 @@ #define IPv4_MIN_WORDS 5 #define IPv4_MAX_WORDS 15 -#define NUM_IPv6_TESTS 200 -#define NUM_IP_FAST_CSUM_TESTS 181 +#define WORD_ALIGNMENT 4 +/* Ethernet headers are 14 bytes and NET_IP_ALIGN is used to align them */ +#define IP_ALIGNMENT (14 + NET_IP_ALIGN) /* Values for a little endian CPU. Byte swap each half on big endian CPU. */ static const u32 random_init_sum = 0x2847aab; @@ -216,234 +217,103 @@ static const u32 init_sums_no_overflow[] = { }; static const u16 expected_csum_ipv6_magic[] = { - 0x18d4, 0x3085, 0x2e4b, 0xd9f4, 0xbdc8, 0x78f, 0x1034, 0x8422, 0x6fc0, - 0xd2f6, 0xbeb5, 0x9d3, 0x7e2a, 0x312e, 0x778e, 0xc1bb, 0x7cf2, 0x9d1e, - 0xca21, 0xf3ff, 0x7569, 0xb02e, 0xca86, 0x7e76, 0x4539, 0x45e3, 0xf28d, - 0xdf81, 0x8fd5, 0x3b5d, 0x8324, 0xf471, 0x83be, 0x1daf, 0x8c46, 0xe682, - 0xd1fb, 0x6b2e, 0xe687, 0x2a33, 0x4833, 0x2d67, 0x660f, 0x2e79, 0xd65e, - 0x6b62, 0x6672, 0x5dbd, 0x8680, 0xbaa5, 0x2229, 0x2125, 0x2d01, 0x1cc0, - 0x6d36, 0x33c0, 0xee36, 0xd832, 0x9820, 0x8a31, 0x53c5, 0x2e2, 0xdb0e, - 0x49ed, 0x17a7, 0x77a0, 0xd72e, 0x3d72, 0x7dc8, 0x5b17, 0xf55d, 0xa4d9, - 0x1446, 0x5d56, 0x6b2e, 0x69a5, 0xadb6, 0xff2a, 0x92e, 0xe044, 0x3402, - 0xbb60, 0xec7f, 0xe7e6, 0x1986, 0x32f4, 0x8f8, 0x5e00, 0x47c6, 0x3059, - 0x3969, 0xe957, 0x4388, 0x2854, 0x3334, 0xea71, 0xa6de, 0x33f9, 0x83fc, - 0x37b4, 0x5531, 0x3404, 0x1010, 0xed30, 0x610a, 0xc95, 0x9aed, 0x6ff, - 0x5136, 0x2741, 0x660e, 0x8b80, 0xf71, 0xa263, 0x88af, 0x7a73, 0x3c37, - 0x1908, 0x6db5, 0x2e92, 0x1cd2, 0x70c8, 0xee16, 0xe80, 0xcd55, 0x6e6, - 0x6434, 0x127, 0x655d, 0x2ea0, 0xb4f4, 0xdc20, 0x5671, 0xe462, 0xe52b, - 0xdb44, 0x3589, 0xc48f, 0xe60b, 0xd2d2, 0x66ad, 0x498, 0x436, 0xb917, - 0xf0ca, 0x1a6e, 0x1cb7, 0xbf61, 0x2870, 0xc7e8, 0x5b30, 0xe4a5, 0x168, - 0xadfc, 0xd035, 0xe690, 0xe283, 0xfb27, 0xe4ad, 0xb1a5, 0xf2d5, 0xc4b6, - 0x8a30, 0xd7d5, 0x7df9, 0x91d5, 0x63ed, 0x2d21, 0x312b, 0xab19, 0xa632, - 0x8d2e, 0xef06, 0x57b9, 0xc373, 0xbd1f, 0xa41f, 0x8444, 0x9975, 0x90cb, - 0xc49c, 0xe965, 0x4eff, 0x5a, 0xef6d, 0xe81a, 0xe260, 0x853a, 0xff7a, - 0x99aa, 0xb06b, 0xee19, 0xcc2c, 0xf34c, 0x7c49, 0xdac3, 0xa71e, 0xc988, - 0x3845, 0x1014 + 0x9359, 0x5630, 0xd659, 0x5b4d, 0x511e, 0x627c, 0x4e30, 0x73f1, 0x63c, + 0xf2da, 0x7b, 0xa98b, 0x4fb7, 0x87a6, 0x2500, 0x34e4, 0xf0cd, 0xdc69, + 0x7bde, 0x73f0, 0xd85d, 0x722d, 0x9776, 0x3c8, 0x7e07, 0xdca9, 0x9ecc, + 0xc6c0, 0xbec1, 0x8de5, 0x6f7f, 0x1a09, 0xdbe6, 0x7c4b, 0x3787, 0xdb38, + 0xfac, 0xbed9, 0x3039, 0x6501, 0xae1a, 0xed89, 0xd982, 0xc530, 0xccf6, + 0xd888, 0xf369, 0x2c4e, 0x38c0, 0xcff5, 0xdc9d, 0x5998, 0xe0d1, 0x7e23, + 0x91ae, 0x93d3, 0xa0fa, 0xd87a, 0xcd1c, 0x3e12, 0x6b81, 0x1736, 0xe8bb, + 0xdc4a, 0x4ce2, 0x8b5, 0xdc26, 0x217e, 0x74b2, 0x85e2, 0xb8bc, 0x290, + 0x88d7, 0xc552, 0x52df, 0x6145, 0x2d3e, 0xb96f, 0x48d7, 0xff3b, 0xa30a, + 0xb8d7, 0x2030, 0xf091, }; static const u16 expected_fast_csum[] = { - 0xda83, 0x45da, 0x4f46, 0x4e4f, 0x34e, 0xe902, 0xa5e9, 0x87a5, 0x7187, - 0x5671, 0xf556, 0x6df5, 0x816d, 0x8f81, 0xbb8f, 0xfbba, 0x5afb, 0xbe5a, - 0xedbe, 0xabee, 0x6aac, 0xe6b, 0xea0d, 0x67ea, 0x7e68, 0x8a7e, 0x6f8a, - 0x3a70, 0x9f3a, 0xe89e, 0x75e8, 0x7976, 0xfa79, 0x2cfa, 0x3c2c, 0x463c, - 0x7146, 0x7a71, 0x547a, 0xfd53, 0x99fc, 0xb699, 0x92b6, 0xdb91, 0xe8da, - 0x5fe9, 0x1e60, 0xae1d, 0x39ae, 0xf439, 0xa1f4, 0xdda1, 0xede, 0x790f, - 0x579, 0x1206, 0x9012, 0x2490, 0xd224, 0x5cd2, 0xa65d, 0xca7, 0x220d, - 0xf922, 0xbf9, 0x920b, 0x1b92, 0x361c, 0x2e36, 0x4d2e, 0x24d, 0x2, - 0xcfff, 0x90cf, 0xa591, 0x93a5, 0x7993, 0x9579, 0xc894, 0x50c8, 0x5f50, - 0xd55e, 0xcad5, 0xf3c9, 0x8f4, 0x4409, 0x5043, 0x5b50, 0x55b, 0x2205, - 0x1e22, 0x801e, 0x3780, 0xe137, 0x7ee0, 0xf67d, 0x3cf6, 0xa53c, 0x2ea5, - 0x472e, 0x5147, 0xcf51, 0x1bcf, 0x951c, 0x1e95, 0xc71e, 0xe4c7, 0xc3e4, - 0x3dc3, 0xee3d, 0xa4ed, 0xf9a4, 0xcbf8, 0x75cb, 0xb375, 0x50b4, 0x3551, - 0xf835, 0x19f8, 0x8c1a, 0x538c, 0xad52, 0xa3ac, 0xb0a3, 0x5cb0, 0x6c5c, - 0x5b6c, 0xc05a, 0x92c0, 0x4792, 0xbe47, 0x53be, 0x1554, 0x5715, 0x4b57, - 0xe54a, 0x20e5, 0x21, 0xd500, 0xa1d4, 0xa8a1, 0x57a9, 0xca57, 0x5ca, - 0x1c06, 0x4f1c, 0xe24e, 0xd9e2, 0xf0d9, 0x4af1, 0x474b, 0x8146, 0xe81, - 0xfd0e, 0x84fd, 0x7c85, 0xba7c, 0x17ba, 0x4a17, 0x964a, 0xf595, 0xff5, - 0x5310, 0x3253, 0x6432, 0x4263, 0x2242, 0xe121, 0x32e1, 0xf632, 0xc5f5, - 0x21c6, 0x7d22, 0x8e7c, 0x418e, 0x5641, 0x3156, 0x7c31, 0x737c, 0x373, - 0x2503, 0xc22a, 0x3c2, 0x4a04, 0x8549, 0x5285, 0xa352, 0xe8a3, 0x6fe8, - 0x1a6f, 0x211a, 0xe021, 0x38e0, 0x7638, 0xf575, 0x9df5, 0x169e, 0xf116, - 0x23f1, 0xcd23, 0xece, 0x660f, 0x4866, 0x6a48, 0x716a, 0xee71, 0xa2ee, - 0xb8a2, 0x61b9, 0xa361, 0xf7a2, 0x26f7, 0x1127, 0x6611, 0xe065, 0x36e0, - 0x1837, 0x3018, 0x1c30, 0x721b, 0x3e71, 0xe43d, 0x99e4, 0x9e9a, 0xb79d, - 0xa9b7, 0xcaa, 0xeb0c, 0x4eb, 0x1305, 0x8813, 0xb687, 0xa9b6, 0xfba9, - 0xd7fb, 0xccd8, 0x2ecd, 0x652f, 0xae65, 0x3fae, 0x3a40, 0x563a, 0x7556, - 0x2776, 0x1228, 0xef12, 0xf9ee, 0xcef9, 0x56cf, 0xa956, 0x24a9, 0xba24, - 0x5fba, 0x665f, 0xf465, 0x8ff4, 0x6d8f, 0x346d, 0x5f34, 0x385f, 0xd137, - 0xb8d0, 0xacb8, 0x55ac, 0x7455, 0xe874, 0x89e8, 0xd189, 0xa0d1, 0xb2a0, - 0xb8b2, 0x36b8, 0x5636, 0xd355, 0x8d3, 0x1908, 0x2118, 0xc21, 0x990c, - 0x8b99, 0x158c, 0x7815, 0x9e78, 0x6f9e, 0x4470, 0x1d44, 0x341d, 0x2634, - 0x3f26, 0x793e, 0xc79, 0xcc0b, 0x26cc, 0xd126, 0x1fd1, 0xb41f, 0xb6b4, - 0x22b7, 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0x6f5d, 0x326f, 0xab31, 0x6aab, 0xe969, 0x90e9, 0x1190, 0xff10, - 0xa2fe, 0xe0a2, 0x66e1, 0x4067, 0x9e3f, 0x2d9e, 0x712d, 0x8170, 0xd180, - 0xffd1, 0x25ff, 0x3826, 0x2538, 0x5f24, 0xc45e, 0x1cc4, 0xdf1c, 0x93df, - 0xc793, 0x80c7, 0x2380, 0xd223, 0x7ed2, 0xfc7e, 0x22fd, 0x7422, 0x1474, - 0xb714, 0x7db6, 0x857d, 0xa85, 0xa60a, 0x88a6, 0x4289, 0x7842, 0xc278, - 0xf7c2, 0xcdf7, 0x84cd, 0xae84, 0x8cae, 0xb98c, 0x1aba, 0x4d1a, 0x884c, - 0x4688, 0xcc46, 0xd8cb, 0x2bd9, 0xbe2b, 0xa2be, 0x72a2, 0xf772, 0xd2f6, - 0x75d2, 0xc075, 0xa3c0, 0x63a3, 0xae63, 0x8fae, 0x2a90, 0x5f2a, 0xef5f, - 0x5cef, 0xa05c, 0x89a0, 0x5e89, 0x6b5e, 0x736b, 0x773, 0x9d07, 0xe99c, - 0x27ea, 0x2028, 0xc20, 0x980b, 0x4797, 0x2848, 0x9828, 0xc197, 0x48c2, - 0x2449, 0x7024, 0x570, 0x3e05, 0xd3e, 0xf60c, 0xbbf5, 0x69bb, 0x3f6a, - 0x740, 0xf006, 0xe0ef, 0xbbe0, 0xadbb, 0x56ad, 0xcf56, 0xbfce, 0xa9bf, - 0x205b, 0x6920, 0xae69, 0x50ae, 0x2050, 0xf01f, 0x27f0, 0x9427, 0x8993, - 0x8689, 0x4087, 0x6e40, 0xb16e, 0xa1b1, 0xe8a1, 0x87e8, 0x6f88, 0xfe6f, - 0x4cfe, 0xe94d, 0xd5e9, 0x47d6, 0x3148, 0x5f31, 0xc35f, 0x13c4, 0xa413, - 0x5a5, 0x2405, 0xc223, 0x66c2, 0x3667, 0x5e37, 0x5f5e, 0x2f5f, 0x8c2f, - 0xe48c, 0xd0e4, 0x4d1, 0xd104, 0xe4d0, 0xcee4, 0xfcf, 0x480f, 0xa447, - 0x5ea4, 0xff5e, 0xbefe, 0x8dbe, 0x1d8e, 0x411d, 0x1841, 0x6918, 0x5469, - 0x1155, 0xc611, 0xaac6, 0x37ab, 0x2f37, 0xca2e, 0x87ca, 0xbd87, 0xabbd, - 0xb3ab, 0xcb4, 0xce0c, 0xfccd, 0xa5fd, 0x72a5, 0xf072, 0x83f0, 0xfe83, - 0x97fd, 0xc997, 0xb0c9, 0xadb0, 0xe6ac, 0x88e6, 0x1088, 0xbe10, 0x16be, - 0xa916, 0xa3a8, 0x46a3, 0x5447, 0xe953, 0x84e8, 0x2085, 0xa11f, 0xfa1, - 0xdd0f, 0xbedc, 0x5abe, 0x805a, 0xc97f, 0x6dc9, 0x826d, 0x4a82, 0x934a, - 0x5293, 0xd852, 0xd3d8, 0xadd3, 0xf4ad, 0xf3f4, 0xfcf3, 0xfefc, 0xcafe, - 0xb7ca, 0x3cb8, 0xa13c, 0x18a1, 0x1418, 0xea13, 0x91ea, 0xf891, 0x53f8, - 0xa254, 0xe9a2, 0x87ea, 0x4188, 0x1c41, 0xdc1b, 0xf5db, 0xcaf5, 0x45ca, - 0x6d45, 0x396d, 0xde39, 0x90dd, 0x1e91, 0x1e, 0x7b00, 0x6a7b, 0xa46a, - 0xc9a3, 0x9bc9, 0x389b, 0x1139, 0x5211, 0x1f52, 0xeb1f, 0xabeb, 0x48ab, - 0x9348, 0xb392, 0x17b3, 0x1618, 0x5b16, 0x175b, 0xdc17, 0xdedb, 0x1cdf, - 0xeb1c, 0xd1ea, 0x4ad2, 0xd4b, 0xc20c, 0x24c2, 0x7b25, 0x137b, 0x8b13, - 0x618b, 0xa061, 0xff9f, 0xfffe, 0x72ff, 0xf572, 0xe2f5, 0xcfe2, 0xd2cf, - 0x75d3, 0x6a76, 0xc469, 0x1ec4, 0xfc1d, 0x59fb, 0x455a, 0x7a45, 0xa479, - 0xb7a4 + 0xda83, 0xc22a, 0x1162, 0xba49, 0xaf14, 0x4530, 0x4093, 0xb09c, 0xb4c3, + 0x205b, 0xdf2c, 0x034e, 0x5285, 0xfb6c, 0xf037, 0x8653, 0x81b6, 0xf1bf, + 0xf5e6, 0x617e, 0x2050, 0x6a91, 0x7187, 0x1a6f, 0x0f3a, 0xa555, 0xa0b8, + 0x10c2, 0x14e9, 0x8080, 0x3f52, 0x8993, 0x4a70, 0x816d, 0x7638, 0x0c54, + 0x07b7, 0x77c0, 0x7be7, 0xe77e, 0xa650, 0xf091, 0xb16e, 0x8ac5, 0x5afb, + 0xf116, 0xec79, 0x5c83, 0x60aa, 0xcc41, 0x8b13, 0xd554, 0x9631, 0x6f88, + 0x5c54, 0x6aac, 0x660f, 0xd618, 0xda3f, 0x45d7, 0x04a9, 0x4eea, 0x0fc7, + 0xe91d, 0xd5e9, 0xab06, 0x7e68, 0xee71, 0xf298, 0x5e30, 0x1d02, 0x6743, + 0x2820, 0x0177, 0xee42, 0xc35f, 0x733c, 0x9f3a, 0xa361, 0x0ef9, 0xcdca, + 0x180c, 0xd8e8, 0xb23f, 0x9f0b, 0x7428, 0x2405, 0x071f, 0xfa79, 0x6611, + 0x24e3, 0x6f24, 0x3001, 0x0958, 0xf623, 0xcb40, 0x7b1d, 0x5e37, 0xd957, + 0x7146, 0x3018, 0x7a59, 0x3b36, 0x148d, 0x0159, 0xd675, 0x8652, 0x696c, + 0xe48c, 0x7aec, 0x99fc, 0xe43d, 0xa51a, 0x7e71, 0x6b3d, 0x405a, 0xf036, + 0xd350, 0x4e71, 0xe4d0, 0x9faa, 0xe8da, 0xa9b7, 0x830e, 0x6fda, 0x44f7, + 0xf4d3, 0xd7ed, 0x530e, 0xe96d, 0xa447, 0xfdc7, 0x39ae, 0x1305, 0xffd0, + 0xd4ed, 0x84ca, 0x67e4, 0xe304, 0x7964, 0x343e, 0x8dbe, 0x6d3f, 0x0ede, + 0xfba9, 0xd0c6, 0x80a3, 0x63bd, 0xdedd, 0x753d, 0x3017, 0x8997, 0x6918, + 0x165e, 0x9012, 0x652f, 0x150c, 0xf825, 0x7346, 0x09a6, 0xc47f, 0x1e00, + 0xfd80, 0xaac6, 0x469c, 0xa65d, 0x563a, 0x3954, 0xb474, 0x4ad4, 0x05ae, + 0x5f2e, 0x3eaf, 0xebf4, 0x87ca, 0x56f5, 0x0bf9, 0xef12, 0x6a33, 0x0093, + 0xbb6c, 0x14ed, 0xf46d, 0xa1b3, 0x3d89, 0x0cb4, 0x3382, 0x2e36, 0xa956, + 0x3fb6, 0xfa8f, 0x5410, 0x3391, 0xe0d6, 0x7cac, 0x4bd7, 0x72a5, 0x7154, + 0xcfff, 0x665f, 0x2139, 0x7ab9, 0x5a3a, 0x0780, 0xa355, 0x7280, 0x994e, + 0x97fd, 0xd378, 0x7993, 0x346d, 0x8ded, 0x6d6e, 0x1ab4, 0xb689, 0x85b4, + 0xac82, 0xab31, 0xe6ac, 0xebda, 0x5f50, 0xb8d0, 0x9851, 0x4597, 0xe16c, + 0xb097, 0xd765, 0xd614, 0x1190, 0x16be, 0x0424, 0x08f4, 0xe874, 0x95ba, + 0x3190, 0x00bb, 0x2789, 0x2638, 0x61b3, 0x66e1, 0x5447, 0x8439, 0x055b, + 0xb2a0, 0x4e76, 0x1da1, 0x446f, 0x431e, 0x7e99, 0x83c7, 0x712d, 0xa11f, + 0xd5de, 0x3780, 0xd355, 0xa280, 0xc94e, 0xc7fd, 0x0379, 0x08a7, 0xf60c, + 0x25ff, 0x5abe, 0x18cd, 0x3cf6, 0x0c21, 0x32ef, 0x319e, 0x6d19, 0x7247, + 0x5fad, 0x8f9f, 0xc45e, 0x826d, 0x932c, 0x5147, 0x7815, 0x76c4, 0xb23f, + 0xb76d, 0xa4d3, 0xd4c5, 0x0985, 0xc793, 0xd852, 0x4d75, 0x1e95, 0x1d44, + 0x58bf, 0x5ded, 0x4b53, 0x7b45, 0xb004, 0x6e13, 0x7ed2, 0xf3f4, 0x974b, + 0x3dc3, 0x793e, 0x7e6c, 0x6bd2, 0x9bc4, 0xd083, 0x8e92, 0x9f51, 0x1474, + 0xb7ca, 0xc15d, 0xcbf8, 0xd126, 0xbe8c, 0xee7e, 0x233e, 0xe14c, 0xf20b, + 0x672e, 0x0a85, 0x1418, 0xefcd, 0x3551, 0x22b7, 0x52a9, 0x8768, 0x4577, + 0x5636, 0xcb58, 0x6eaf, 0x7842, 0x53f8, 0x10b3, 0x538c, 0x837e, 0xb83d, + 0x764c, 0x870b, 0xfc2d, 0x9f84, 0xa917, 0x84cd, 0x4188, 0xf1c3, 0x5cb0, + 0x916f, 0x4f7e, 0x603d, 0xd55f, 0x78b6, 0x8249, 0x5dff, 0x1aba, 0xcaf5, + 0xdce8, 0x92c0, 0x50cf, 0x618e, 0xd6b0, 0x7a07, 0x839a, 0x5f50, 0x1c0b, + 0xcc46, 0xde39, 0xb67b, 0x1554, 0x2613, 0x9b35, 0x3e8c, 0x481f, 0x23d5, + 0xe08f, 0x90cb, 0xa2be, 0x7b00, 0xa0f7, 0x20e5, 0x9607, 0x395e, 0x42f1, + 0x1ea7, 0xdb61, 0x8b9d, 0x9d90, 0x75d2, 0x9bc9, 0x0cb8, 0xa8a1, 0x4bf8, + 0x558b, 0x3141, 0xedfb, 0x9e37, 0xb02a, 0x886c, 0xae63, 0x1f52, 0xc33a, + 0x1c06, 0x2599, 0x014f, 0xbe09, 0x6e45, 0x8038, 0x587a, 0x7e71, 0xef5f, + 0x9348, 0x8fd5, 0xf0d9, 0xcc8f, 0x894a, 0x3986, 0x4b79, 0x23bb, 0x49b2, + 0xbaa0, 0x5e89, 0x5b16, 0xdaed, 0x0e81, 0xcb3b, 0x7b77, 0x8d6a, 0x65ac, + 0x8ba3, 0xfc91, 0xa07a, 0x9d07, 0x1cdf, 0x1e0a, 0xba7c, 0x6ab8, 0x7cab, + 0x54ed, 0x7ae4, 0xebd2, 0x8fbb, 0x8c48, 0x0c20, 0x0d4b, 0x889d, 0xf595, + 0x0789, 0xdfca, 0x05c2, 0x76b0, 0x1a99, 0x1726, 0x96fd, 0x9828, 0x137b, + 0xa2f6, 0x6432, 0x3c74, 0x626b, 0xd359, 0x7742, 0x73cf, 0xf3a6, 0xf4d1, + 0x7024, 0xff9f, 0xec88, 0x32e1, 0x58d8, 0xc9c6, 0x6daf, 0x6a3c, 0xea13, + 0xeb3e, 0x6691, 0xf60c, 0xe2f5, 0x462c, 0x7d22, 0xee10, 0x91f9, 0x8e86, + 0x0e5e, 0x0f89, 0x8adb, 0x1a57, 0x0740, 0x6a76, 0x16b6, 0x3156, 0xd53e, + 0xd1cb, 0x51a3, 0x52ce, 0xce20, 0x5d9c, 0x4a85, 0xadbb, 0x59fb, 0x67e0, + 0x2503, 0x2190, 0xa167, 0xa292, 0x1de5, 0xad60, 0x9a49, 0xfd7f, 0xa9bf, + 0xb7a4, 0xd378, 0x0f9d, 0x8f74, 0x909f, 0x0bf2, 0x9b6d, 0x8856, 0xeb8c, + 0x97cc, 0xa5b1, 0xc185, 0x49ee, 0xb732, 0xb85d, 0x33b0, 0xc32b, 0xb014, + 0x134b, 0xbf8a, 0xcd6f, 0xe943, 0x71ac, 0xd9e4, 0x9266, 0x0db9, 0x9d34, + 0x8a1d, 0xed53, 0x9993, 0xa778, 0xc34c, 0x4bb5, 0xb3ed, 0x4e5a, 0x9cca, + 0x2c46, 0x192f, 0x7c65, 0x28a5, 0x368a, 0x525e, 0xdac6, 0x42ff, 0xdd6b, + 0x714b, 0x885d, 0x7546, 0xd87c, 0x84bc, 0x92a1, 0xae75, 0x36de, 0x9f16, + 0x3983, 0xcd62, 0x207d, 0x78b9, 0xdbef, 0x882f, 0x9614, 0xb1e8, 0x3a51, + 0xa289, 0x3cf6, 0xd0d5, 0x23f0, 0x357c, 0x5c18, 0x0858, 0x163d, 0x3211, + 0xba79, 0x22b2, 0xbd1e, 0x50fe, 0xa418, 0xb5a4, 0xc30d, 0x072d, 0x1512, + 0x30e6, 0xb94e, 0x2187, 0xbbf3, 0x4fd3, 0xa2ed, 0xb479, 0xc1e2, 0x71a6, + 0x99bf, 0xb593, 0x3dfc, 0xa634, 0x40a1, 0xd480, 0x279b, 0x3927, 0x4690, + 0xf653, 0x23e6, 0x2618, 0xae80, 0x16b9, 0xb125, 0x4505, 0x981f, 0xa9ab, + 0xb714, 0x66d8, 0x946a, 0xa5fe, 0xc197, 0x29d0, 0xc43c, 0x581c, 0xab36, + 0xbcc2, 0xca2b, 0x79ef, 0xa781, 0xb915, 0xd950, 0xc699, 0x6106, 0xf4e5, + 0x4800, 0x598c, 0x66f5, 0x16b9, 0x444b, 0x55df, 0x761a, 0xdd70, 0xb4c6, + 0x48a6, 0x9bc0, 0xad4c, 0xbab5, 0x6a79, 0x980b, 0xa99f, 0xc9da, 0x3131, + 0xcb00, 0x3ac1, 0x8ddb, 0x9f67, 0xacd0, 0x5c94, 0x8a26, 0x9bba, 0xbbf5, + 0x234c, 0xbd1b, 0x92d9, 0x7207, 0x8393, 0x90fc, 0x40c0, 0x6e52, 0x7fe6, + 0xa021, 0x0778, 0xa147, 0x7705, 0xcda4, 0xfb2a, 0x0894, 0xb857, 0xe5e9, + 0xf77d, 0x17b9, 0x7f0f, 0x18df, 0xee9c, 0x453c, 0xaf9a, 0xa05b, 0x501f, + 0x7db1, 0x8f45, 0xaf80, 0x16d7, 0xb0a6, 0x8664, 0xdd03, 0x4762, 0x54ce, + 0xb5b2, 0xe344, 0xf4d8, 0x1514, 0x7c6a, 0x163a, 0xebf7, 0x4297, 0xacf5, + 0xba61, 0x4bc4, 0x4f65, 0x60f9, 0x8134, 0xe88a, 0x825a, 0x5818, 0xaeb7, + 0x1916, 0x2682, 0xb7e4, 0x2019, 0x0ddf, 0x2e1a, 0x9570, 0x2f40, 0x04fe, + 0x5b9d, 0xc5fb, 0xd367, 0x64ca, 0xccfe, 0xea68, 0x1c8e, 0x83e4, 0x1db4, + 0xf371, 0x4a11, 0xb46f, 0xc1db, 0x533e, 0xbb72, 0xd8dc, 0x246b, 0x767b, + 0x104b, 0xe608, 0x3ca8, 0xa706, 0xb472, 0x45d5, 0xae09, 0xcb73, 0x1702, + 0x0396 }; static u8 tmp_buf[TEST_BUFLEN]; @@ -578,15 +448,19 @@ static void test_csum_no_carry_inputs(struct kunit *test) static void test_ip_fast_csum(struct kunit *test) { __sum16 csum_result, expected; - - for (int len = IPv4_MIN_WORDS; len < IPv4_MAX_WORDS; len++) { - for (int index = 0; index < NUM_IP_FAST_CSUM_TESTS; index++) { - csum_result = ip_fast_csum(random_buf + index, len); - expected = (__force __sum16) - expected_fast_csum[(len - IPv4_MIN_WORDS) * - NUM_IP_FAST_CSUM_TESTS + - index]; - CHECK_EQ(expected, csum_result); + int num_tests = (MAX_LEN / WORD_ALIGNMENT - IPv4_MAX_WORDS * WORD_ALIGNMENT); + + for (int i = 0; i < num_tests; i++) { + memcpy(&tmp_buf[IP_ALIGNMENT], + random_buf + (i * WORD_ALIGNMENT), + IPv4_MAX_WORDS * WORD_ALIGNMENT); + + for (int len = IPv4_MIN_WORDS; len <= IPv4_MAX_WORDS; len++) { + int index = (len - IPv4_MIN_WORDS) + + i * ((IPv4_MAX_WORDS - IPv4_MIN_WORDS) + 1); + csum_result = ip_fast_csum(tmp_buf + IP_ALIGNMENT, len); + expected = (__force __sum16)expected_fast_csum[index]; + CHECK_EQ(csum_result, expected); } } } @@ -594,29 +468,23 @@ static void test_ip_fast_csum(struct kunit *test) static void test_csum_ipv6_magic(struct kunit *test) { #if defined(CONFIG_NET) - const struct in6_addr *saddr; - const struct in6_addr *daddr; - unsigned int len; - unsigned char proto; - unsigned int csum; - - const int daddr_offset = sizeof(struct in6_addr); - const int len_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr); - const int proto_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr) + - sizeof(int); - const int csum_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr) + - sizeof(int) + sizeof(char); - - for (int i = 0; i < NUM_IPv6_TESTS; i++) { - saddr = (const struct in6_addr *)(random_buf + i); - daddr = (const struct in6_addr *)(random_buf + i + - daddr_offset); - len = *(unsigned int *)(random_buf + i + len_offset); - proto = *(random_buf + i + proto_offset); - csum = *(unsigned int *)(random_buf + i + csum_offset); - CHECK_EQ((__force __sum16)expected_csum_ipv6_magic[i], - csum_ipv6_magic(saddr, daddr, len, proto, - (__force __wsum)csum)); + __sum16 csum_result, expected; + struct csum_ipv6_magic_data { + const struct in6_addr saddr; + const struct in6_addr daddr; + unsigned int len; + __wsum csum; + unsigned char proto; + } *data; + int num_tests = MAX_LEN / WORD_ALIGNMENT - sizeof(struct csum_ipv6_magic_data); + + for (int i = 0; i < num_tests; i++) { + data = (struct csum_ipv6_magic_data *)(random_buf + (i * WORD_ALIGNMENT)); + csum_result = csum_ipv6_magic(&data->saddr, &data->daddr, + data->len, data->proto, + data->csum); + expected = (__force __sum16)expected_csum_ipv6_magic[i]; + CHECK_EQ(csum_result, expected); } #endif /* !CONFIG_NET */ }