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Mon, 12 Feb 2024 12:33:12 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCV0zWV+JXpELhaIcfRoduAeJRoKG1hMVNdySXTOP6VxqPVhVrZyK/HjBPjK4sH+1wkZjjownlb8i0odo00xE1qu77wTXjICD7mrOE1OXWWjkKPMvuEnbH9TIErofQs1RNeqegjOQmaVsY4rdA7r+YQSATW+dEZQ5cRkOZrPxpiyiJlvyUz1T6tB3sk3mkJPrC1WWX6DU4XwbUuUC0hOkw9jMT63Wy9Kue6ndWdufok7du8jZAk= Received: from charlie.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id o15-20020a056a001b4f00b006e09e97b803sm5552506pfv.46.2024.02.12.12.33.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Feb 2024 12:33:12 -0800 (PST) From: Charlie Jenkins Date: Mon, 12 Feb 2024 12:33:04 -0800 Subject: [PATCH v7 1/2] lib: checksum: Fix type casting in checksum kunits Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240212-fix_sparse_errors_checksum_tests-v7-1-bbd3b8f64746@rivosinc.com> References: <20240212-fix_sparse_errors_checksum_tests-v7-0-bbd3b8f64746@rivosinc.com> In-Reply-To: <20240212-fix_sparse_errors_checksum_tests-v7-0-bbd3b8f64746@rivosinc.com> To: Guenter Roeck , David Laight , Palmer Dabbelt , Andrew Morton , Al Viro Cc: linux-kernel@vger.kernel.org, Charlie Jenkins , kernel test robot X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1707769990; l=2446; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=AzZ2wloxj6KDQAMdXrlf4AWIKCIwq2UD/2yzxCzqXlE=; b=TZdgr3HUZz108GlWeS6WVeDd8q4kHcwAr+emkJBzljel2b25nXDG75cnJIXUgFbGvg5qL+xPN /QQgpcmSnx6D4anPg16Th2dOWSKXemjtTOSBqQQ+G8EzJ89sKChN/On X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= The checksum functions use the types __wsum and __sum16. These need to be explicitly casted to, because will cause sparse errors otherwise. Fixes: 6f4c45cbcb00 ("kunit: Add tests for csum_ipv6_magic and ip_fast_csum= ") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202401200106.PMTn6g56-lkp@int= el.com/ Signed-off-by: Charlie Jenkins Tested-by: Guenter Roeck --- lib/checksum_kunit.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/lib/checksum_kunit.c b/lib/checksum_kunit.c index 225bb7701460..776ad3d6d5a1 100644 --- a/lib/checksum_kunit.c +++ b/lib/checksum_kunit.c @@ -215,7 +215,7 @@ static const u32 init_sums_no_overflow[] =3D { 0xffff0000, 0xfffffffb, }; =20 -static const __sum16 expected_csum_ipv6_magic[] =3D { +static const u16 expected_csum_ipv6_magic[] =3D { 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, @@ -241,7 +241,7 @@ static const __sum16 expected_csum_ipv6_magic[] =3D { 0x3845, 0x1014 }; =20 -static const __sum16 expected_fast_csum[] =3D { +static const u16 expected_fast_csum[] =3D { 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, @@ -582,7 +582,7 @@ static void test_ip_fast_csum(struct kunit *test) for (int len =3D IPv4_MIN_WORDS; len < IPv4_MAX_WORDS; len++) { for (int index =3D 0; index < NUM_IP_FAST_CSUM_TESTS; index++) { csum_result =3D ip_fast_csum(random_buf + index, len); - expected =3D + expected =3D (__force __sum16) expected_fast_csum[(len - IPv4_MIN_WORDS) * NUM_IP_FAST_CSUM_TESTS + index]; @@ -614,8 +614,9 @@ static void test_csum_ipv6_magic(struct kunit *test) len =3D *(unsigned int *)(random_buf + i + len_offset); proto =3D *(random_buf + i + proto_offset); csum =3D *(unsigned int *)(random_buf + i + csum_offset); - CHECK_EQ(expected_csum_ipv6_magic[i], - csum_ipv6_magic(saddr, daddr, len, proto, csum)); + CHECK_EQ((__force __sum16)expected_csum_ipv6_magic[i], + csum_ipv6_magic(saddr, daddr, len, proto, + (__force __wsum)csum)); } #endif /* !CONFIG_NET */ } --=20 2.43.0 From nobody Fri Oct 18 02:53:56 2024 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6422E405FB for ; Mon, 12 Feb 2024 20:33:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707769997; cv=none; b=IMpt0xpkaOnTBZMWToJF57PTFyXro7K0Wa730ifNvjVhh0GTiIpXfgfvBuknfxKuKw4lQ99L1/ugqwqhRBDNHCukGVVd6cg1OzMN3XYUyGaYAUKO0t+dK6ApyulfCWYyksEoK0VKkyWfYYlvzizDSV/maguGQqRtv3DBbv0HzUg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707769997; c=relaxed/simple; bh=6zUw/PTFSycim0FvjRNx8t/mWkF3cfra/mUS/Vl5Dr4=; 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Mon, 12 Feb 2024 12:33:12 -0800 (PST) From: Charlie Jenkins Date: Mon, 12 Feb 2024 12:33:05 -0800 Subject: [PATCH v7 2/2] lib: checksum: Use aligned accesses for ip_fast_csum and csum_ipv6_magic tests Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240212-fix_sparse_errors_checksum_tests-v7-2-bbd3b8f64746@rivosinc.com> References: <20240212-fix_sparse_errors_checksum_tests-v7-0-bbd3b8f64746@rivosinc.com> In-Reply-To: <20240212-fix_sparse_errors_checksum_tests-v7-0-bbd3b8f64746@rivosinc.com> To: Guenter Roeck , David Laight , Palmer Dabbelt , Andrew Morton , Al Viro Cc: linux-kernel@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1707769990; l=28504; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=6zUw/PTFSycim0FvjRNx8t/mWkF3cfra/mUS/Vl5Dr4=; b=9e76rVFoLqbJFeBB9gI/6pzYCD6RnPbfBAD6rBAl41SkK+5AcsmiJ/+divO8zWaNg5+jPd/Vs BdekMiiiGbMDBg1qeMKFQhA9dTpAPV6p/owHjBU/zQKzsx+w4/3FvxM X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= The test cases for ip_fast_csum and csum_ipv6_magic were failing on a variety of architectures that are big endian or do not support misalgined accesses. Both of these test cases are changed to support big and little endian architectures. The test for ip_fast_csum is changed to align the data along (14 + NET_IP_ALIGN) bytes which is the alignment of an IP header. The test for csum_ipv6_magic aligns the data using a struct. An extra padding field is added to the struct to ensure that the size of the struct is the same on all architectures (44 bytes). Fixes: 6f4c45cbcb00 ("kunit: Add tests for csum_ipv6_magic and ip_fast_csum= ") Signed-off-by: Charlie Jenkins Reviewed-by: Guenter Roeck Tested-by: Guenter Roeck --- lib/checksum_kunit.c | 393 ++++++++++++++++++-----------------------------= ---- 1 file changed, 134 insertions(+), 259 deletions(-) diff --git a/lib/checksum_kunit.c b/lib/checksum_kunit.c index 776ad3d6d5a1..f1b18e3628dd 100644 --- a/lib/checksum_kunit.c +++ b/lib/checksum_kunit.c @@ -13,8 +13,9 @@ =20 #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) =20 /* Values for a little endian CPU. Byte swap each half on big endian CPU. = */ static const u32 random_init_sum =3D 0x2847aab; @@ -216,234 +217,106 @@ static const u32 init_sums_no_overflow[] =3D { }; =20 static const u16 expected_csum_ipv6_magic[] =3D { - 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 + 0x2fbd, 0xb5d0, 0xc16e, 0xe6c1, 0x412e, 0xa836, 0x433b, 0xe87c, 0x57ea, + 0x5875, 0x5a21, 0xd361, 0xe422, 0xdd50, 0xa57f, 0xad6b, 0xecd1, 0x90b5, + 0x7fda, 0x88db, 0x979e, 0x8916, 0x1df0, 0x7853, 0x473e, 0xd2b3, 0x4526, + 0x8304, 0x4c34, 0x363d, 0x2dc1, 0xb66c, 0x9a28, 0xd4f2, 0x615d, 0x36dd, + 0x3784, 0xbadd, 0xa2c6, 0xd293, 0x9830, 0xcea8, 0x1349, 0x886d, 0x20a3, + 0x6001, 0x5607, 0x4a30, 0x9365, 0x893c, 0x7505, 0x50a1, 0xb200, 0xf3ad, + 0x80bf, 0x1f48, 0xc1d9, 0xf55d, 0x7871, 0x262a, 0xe606, 0xb894, 0xd6cd, + 0x39ed, 0x1817, 0x9d20, 0x6f93, 0x722d, 0x1116, 0xb3b4, 0x88ec, 0xdcb5, + 0x1a46, 0xfa1d, 0x141e, 0xaef7, 0x7cee, 0xa583, 0x72ad, 0x201b, 0xdece, + 0xa1ee, 0x92bd, 0xc7ba, 0x403e, 0x50a9, 0xcb5a, 0xff3b, 0x1b41, 0xa06b, + 0xcf2d, 0xcc9a, 0xf42a, 0x0c61, 0x7654, 0xf3d4, 0xcc25, 0x4985, 0x7606, + 0xc8a2, 0x6636, 0x610e, 0xc454, 0xefa4, 0xf3a6, 0x43a7, 0xd8e2, 0xe31e, + 0x150b, 0x445d, 0x57d5, 0x253c, 0x6adf, 0x3c53, 0x502c, 0x9ee5, 0x8422, }; =20 static const u16 expected_fast_csum[] =3D { - 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, 0xa122, 0xa1, 0x7f01, 0x837e, 0x3b83, 0xaf3b, 0x6fae, 0x916f, - 0xb490, 0xffb3, 0xceff, 0x50cf, 0x7550, 0x7275, 0x1272, 0x2613, 0xaa26, - 0xd5aa, 0x7d5, 0x9607, 0x96, 0xb100, 0xf8b0, 0x4bf8, 0xdd4c, 0xeddd, - 0x98ed, 0x2599, 0x9325, 0xeb92, 0x8feb, 0xcc8f, 0x2acd, 0x392b, 0x3b39, - 0xcb3b, 0x6acb, 0xd46a, 0xb8d4, 0x6ab8, 0x106a, 0x2f10, 0x892f, 0x789, - 0xc806, 0x45c8, 0x7445, 0x3c74, 0x3a3c, 0xcf39, 0xd7ce, 0x58d8, 0x6e58, - 0x336e, 0x1034, 0xee10, 0xe9ed, 0xc2e9, 0x3fc2, 0xd53e, 0xd2d4, 0xead2, - 0x8fea, 0x2190, 0x1162, 0xbe11, 0x8cbe, 0x6d8c, 0xfb6c, 0x6dfb, 0xd36e, - 0x3ad3, 0xf3a, 0x870e, 0xc287, 0x53c3, 0xc54, 0x5b0c, 0x7d5a, 0x797d, - 0xec79, 0x5dec, 0x4d5e, 0x184e, 0xd618, 0x60d6, 0xb360, 0x98b3, 0xf298, - 0xb1f2, 0x69b1, 0xf969, 0xef9, 0xab0e, 0x21ab, 0xe321, 0x24e3, 0x8224, - 0x5481, 0x5954, 0x7a59, 0xff7a, 0x7dff, 0x1a7d, 0xa51a, 0x46a5, 0x6b47, - 0xe6b, 0x830e, 0xa083, 0xff9f, 0xd0ff, 0xffd0, 0xe6ff, 0x7de7, 0xc67d, - 0xd0c6, 0x61d1, 0x3a62, 0xc3b, 0x150c, 0x1715, 0x4517, 0x5345, 0x3954, - 0xdd39, 0xdadd, 0x32db, 0x6a33, 0xd169, 0x86d1, 0xb687, 0x3fb6, 0x883f, - 0xa487, 0x39a4, 0x2139, 0xbe20, 0xffbe, 0xedfe, 0x8ded, 0x368e, 0xc335, - 0x51c3, 0x9851, 0xf297, 0xd6f2, 0xb9d6, 0x95ba, 0x2096, 0xea1f, 0x76e9, - 0x4e76, 0xe04d, 0xd0df, 0x80d0, 0xa280, 0xfca2, 0x75fc, 0xef75, 0x32ef, - 0x6833, 0xdf68, 0xc4df, 0x76c4, 0xb77, 0xb10a, 0xbfb1, 0x58bf, 0x5258, - 0x4d52, 0x6c4d, 0x7e6c, 0xb67e, 0xccb5, 0x8ccc, 0xbe8c, 0xc8bd, 0x9ac8, - 0xa99b, 0x52a9, 0x2f53, 0xc30, 0x3e0c, 0xb83d, 0x83b7, 0x5383, 0x7e53, - 0x4f7e, 0xe24e, 0xb3e1, 0x8db3, 0x618e, 0xc861, 0xfcc8, 0x34fc, 0x9b35, - 0xaa9b, 0xb1aa, 0x5eb1, 0x395e, 0x8639, 0xd486, 0x8bd4, 0x558b, 0x2156, - 0xf721, 0x4ef6, 0x14f, 0x7301, 0xdd72, 0x49de, 0x894a, 0x9889, 0x8898, - 0x7788, 0x7b77, 0x637b, 0xb963, 0xabb9, 0x7cab, 0xc87b, 0x21c8, 0xcb21, - 0xdfca, 0xbfdf, 0xf2bf, 0x6af2, 0x626b, 0xb261, 0x3cb2, 0xc63c, 0xc9c6, - 0xc9c9, 0xb4c9, 0xf9b4, 0x91f9, 0x4091, 0x3a40, 0xcc39, 0xd1cb, 0x7ed1, - 0x537f, 0x6753, 0xa167, 0xba49, 0x88ba, 0x7789, 0x3877, 0xf037, 0xd3ef, - 0xb5d4, 0x55b6, 0xa555, 0xeca4, 0xa1ec, 0xb6a2, 0x7b7, 0x9507, 0xfd94, - 0x82fd, 0x5c83, 0x765c, 0x9676, 0x3f97, 0xda3f, 0x6fda, 0x646f, 0x3064, - 0x5e30, 0x655e, 0x6465, 0xcb64, 0xcdca, 0x4ccd, 0x3f4c, 0x243f, 0x6f24, - 0x656f, 0x6065, 0x3560, 0x3b36, 0xac3b, 0x4aac, 0x714a, 0x7e71, 0xda7e, - 0x7fda, 0xda7f, 0x6fda, 0xff6f, 0xc6ff, 0xedc6, 0xd4ed, 0x70d5, 0xeb70, - 0xa3eb, 0x80a3, 0xca80, 0x3fcb, 0x2540, 0xf825, 0x7ef8, 0xf87e, 0x73f8, - 0xb474, 0xb4b4, 0x92b5, 0x9293, 0x93, 0x3500, 0x7134, 0x9071, 0xfa8f, - 0x51fa, 0x1452, 0xba13, 0x7ab9, 0x957a, 0x8a95, 0x6e8a, 0x6d6e, 0x7c6d, - 0x447c, 0x9744, 0x4597, 0x8945, 0xef88, 0x8fee, 0x3190, 0x4831, 0x8447, - 0xa183, 0x1da1, 0xd41d, 0x2dd4, 0x4f2e, 0xc94e, 0xcbc9, 0xc9cb, 0x9ec9, - 0x319e, 0xd531, 0x20d5, 0x4021, 0xb23f, 0x29b2, 0xd828, 0xecd8, 0x5ded, - 0xfc5d, 0x4dfc, 0xd24d, 0x6bd2, 0x5f6b, 0xb35e, 0x7fb3, 0xee7e, 0x56ee, - 0xa657, 0x68a6, 0x8768, 0x7787, 0xb077, 0x4cb1, 0x764c, 0xb175, 0x7b1, - 0x3d07, 0x603d, 0x3560, 0x3e35, 0xb03d, 0xd6b0, 0xc8d6, 0xd8c8, 0x8bd8, - 0x3e8c, 0x303f, 0xd530, 0xf1d4, 0x42f1, 0xca42, 0xddca, 0x41dd, 0x3141, - 0x132, 0xe901, 0x8e9, 0xbe09, 0xe0bd, 0x2ce0, 0x862d, 0x3986, 0x9139, - 0x6d91, 0x6a6d, 0x8d6a, 0x1b8d, 0xac1b, 0xedab, 0x54ed, 0xc054, 0xcebf, - 0xc1ce, 0x5c2, 0x3805, 0x6038, 0x5960, 0xd359, 0xdd3, 0xbe0d, 0xafbd, - 0x6daf, 0x206d, 0x2c20, 0x862c, 0x8e86, 0xec8d, 0xa2ec, 0xa3a2, 0x51a3, - 0x8051, 0xfd7f, 0x91fd, 0xa292, 0xaf14, 0xeeae, 0x59ef, 0x535a, 0x8653, - 0x3986, 0x9539, 0xb895, 0xa0b8, 0x26a0, 0x2227, 0xc022, 0x77c0, 0xad77, - 0x46ad, 0xaa46, 0x60aa, 0x8560, 0x4785, 0xd747, 0x45d7, 0x2346, 0x5f23, - 0x25f, 0x1d02, 0x71d, 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0x5fef, + 0x4893, 0xd58f, 0xd9f0, 0x8fcc, 0x4a89, 0x8639, 0x794b, 0xbb23, 0xb249, + 0xa0ba, 0x895e, 0x165b, 0xedda, 0x810e, 0x3bcb, 0x777b, 0x6a8d, 0xac65, + 0xa38b, 0x91fc, 0x7aa0, 0x079d, 0xdf1c, 0x0a1e, 0x7cba, 0xb86a, 0xab7c, + 0xed54, 0xe47a, 0xd2eb, 0xbb8f, 0x488c, 0x200c, 0x4b0d, 0x9d88, 0x95f5, + 0x8907, 0xcadf, 0xc205, 0xb076, 0x991a, 0x2617, 0xfd96, 0x2898, 0x7b13, + 0xf6a2, 0x3264, 0x743c, 0x6b62, 0x59d3, 0x4277, 0xcf73, 0xa6f3, 0xd1f4, + 0x2470, 0x9fff, 0x88ec, 0xe132, 0xd858, 0xc6c9, 0xaf6d, 0x3c6a, 0x13ea, + 0x3eeb, 0x9166, 0x0cf6, 0xf5e2, 0x2c46, 0x227d, 0x10ee, 0xf991, 0x868e, + 0x5e0e, 0x890f, 0xdb8a, 0x571a, 0x4007, 0x766a, 0xb616, 0x5631, 0x3ed5, + 0xcbd1, 0xa351, 0xce52, 0x20ce, 0x9c5d, 0x854a, 0xbbad, 0xfb59, 0xe067, + 0x0325, 0x9021, 0x67a1, 0x92a2, 0xe51d, 0x60ad, 0x499a, 0x7ffd, 0xbfa9, + 0xa4b7, 0x78d3, 0x9d0f, 0x748f, 0x9f90, 0xf20b, 0x6d9b, 0x5688, 0x8ceb, + 0xcc97, 0xb1a5, 0x85c1, 0xee49, 0x32b7, 0x5db8, 0xb033, 0x2bc3, 0x14b0, + 0x4b13, 0x8abf, 0x6fcd, 0x43e9, 0xac71, 0xe4d9, 0x6692, 0xb90d, 0x349d, + 0x1d8a, 0x53ed, 0x9399, 0x78a7, 0x4cc3, 0xb54b, 0xedb3, 0x5a4e, 0xca9c, + 0x462c, 0x2f19, 0x657c, 0xa528, 0x8a36, 0x5e52, 0xc6da, 0xff42, 0x6bdd, + 0x4b71, 0x5d88, 0x4675, 0x7cd8, 0xbc84, 0xa192, 0x75ae, 0xde36, 0x169f, + 0x8339, 0x62cd, 0x7d20, 0xb978, 0xefdb, 0x2f88, 0x1496, 0xe8b1, 0x513a, + 0x89a2, 0xf63c, 0xd5d0, 0xf023, 0x7c35, 0x185c, 0x5808, 0x3d16, 0x1132, + 0x79ba, 0xb222, 0x1ebd, 0xfe50, 0x18a4, 0xa4b5, 0x0dc3, 0x2d07, 0x1215, + 0xe630, 0x4eb9, 0x8721, 0xf3bb, 0xd34f, 0xeda2, 0x79b4, 0xe2c1, 0xa671, + 0xbf99, 0x93b5, 0xfc3d, 0x34a6, 0xa140, 0x80d4, 0x9b27, 0x2739, 0x9046, + 0x53f6, 0xe623, 0x1826, 0x80ae, 0xb916, 0x25b1, 0x0545, 0x1f98, 0xaba9, + 0x14b7, 0xd866, 0x6a94, 0xfea5, 0x97c1, 0xd029, 0x3cc4, 0x1c58, 0x36ab, + 0xc2bc, 0x2bca, 0xef79, 0x81a7, 0x15b9, 0x50d9, 0x99c6, 0x0661, 0xe5f4, + 0x0048, 0x8c59, 0xf566, 0xb916, 0x4b44, 0xdf55, 0x1a76, 0x70dd, 0xc6b4, + 0xa648, 0xc09b, 0x4cad, 0xb5ba, 0x796a, 0x0b98, 0x9fa9, 0xdac9, 0x3131, + 0x00cb, 0xc13a, 0xdb8d, 0x679f, 0xd0ac, 0x945c, 0x268a, 0xba9b, 0xf5bb, + 0x4c23, 0x1bbd, 0xd992, 0x0772, 0x9383, 0xfc90, 0xc040, 0x526e, 0xe67f, + 0x21a0, 0x7807, 0x47a1, 0x0577, 0xa4cd, 0x2afb, 0x9408, 0x57b8, 0xe9e5, + 0x7df7, 0xb917, 0x0f7f, 0xdf18, 0x9cee, 0x3c45, 0x9aaf, 0x5ba0, 0x1f50, + 0xb17d, 0x458f, 0x80af, 0xd716, 0xa6b0, 0x6486, 0x03dd, 0x6247, 0xce54, + 0xb2b5, 0x44e3, 0xd8f4, 0x1415, 0x6a7c, 0x3a16, 0xf7eb, 0x9742, 0xf5ac, + 0x61ba, 0xc44b, 0x654f, 0xf960, 0x3481, 0x8ae8, 0x5a82, 0x1858, 0xb7ae, + 0x1619, 0x8226, 0xe4b7, 0x1920, 0xdf0d, 0x1a2e, 0x7095, 0x402f, 0xfe04, + 0x9d5b, 0xfbc5, 0x67d3, 0xca64, 0xfecc, 0x68ea, 0x8e1c, 0xe483, 0xb41d, + 0x71f3, 0x114a, 0x6fb4, 0xdbc1, 0x3e53, 0x72bb, 0xdcd8, 0x6b24, 0x7b76, + 0x4b10, 0x08e6, 0xa83c, 0x06a7, 0x72b4, 0xd545, 0x09ae, 0x73cb, 0x0217, + 0x9603, }; =20 static u8 tmp_buf[TEST_BUFLEN]; @@ -578,15 +451,19 @@ static void test_csum_no_carry_inputs(struct kunit *t= est) static void test_ip_fast_csum(struct kunit *test) { __sum16 csum_result, expected; - - for (int len =3D IPv4_MIN_WORDS; len < IPv4_MAX_WORDS; len++) { - for (int index =3D 0; index < NUM_IP_FAST_CSUM_TESTS; index++) { - csum_result =3D ip_fast_csum(random_buf + index, len); - expected =3D (__force __sum16) - expected_fast_csum[(len - IPv4_MIN_WORDS) * - NUM_IP_FAST_CSUM_TESTS + - index]; - CHECK_EQ(expected, csum_result); + int num_tests =3D (MAX_LEN / WORD_ALIGNMENT - IPv4_MAX_WORDS * WORD_ALIGN= MENT); + + for (int i =3D 0; i < num_tests; i++) { + memcpy(&tmp_buf[IP_ALIGNMENT], + random_buf + (i * WORD_ALIGNMENT), + IPv4_MAX_WORDS * WORD_ALIGNMENT); + + for (int len =3D IPv4_MIN_WORDS; len <=3D IPv4_MAX_WORDS; len++) { + int index =3D (len - IPv4_MIN_WORDS) + + i * ((IPv4_MAX_WORDS - IPv4_MIN_WORDS) + 1); + csum_result =3D ip_fast_csum(tmp_buf + IP_ALIGNMENT, len); + expected =3D (__force __sum16)htons(expected_fast_csum[index]); + CHECK_EQ(csum_result, expected); } } } @@ -594,29 +471,27 @@ 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 =3D sizeof(struct in6_addr); - const int len_offset =3D sizeof(struct in6_addr) + sizeof(struct in6_addr= ); - const int proto_offset =3D sizeof(struct in6_addr) + sizeof(struct in6_ad= dr) + - sizeof(int); - const int csum_offset =3D sizeof(struct in6_addr) + sizeof(struct in6_add= r) + - sizeof(int) + sizeof(char); - - for (int i =3D 0; i < NUM_IPv6_TESTS; i++) { - saddr =3D (const struct in6_addr *)(random_buf + i); - daddr =3D (const struct in6_addr *)(random_buf + i + - daddr_offset); - len =3D *(unsigned int *)(random_buf + i + len_offset); - proto =3D *(random_buf + i + proto_offset); - csum =3D *(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)); + struct csum_ipv6_magic_data { + const struct in6_addr saddr; + const struct in6_addr daddr; + __be32 len; + __wsum csum; + unsigned char proto; + unsigned char pad[3]; + } *data; + __sum16 csum_result, expected; + int ipv6_num_tests =3D ((MAX_LEN - sizeof(struct csum_ipv6_magic_data)) /= WORD_ALIGNMENT); + + for (int i =3D 0; i < ipv6_num_tests; i++) { + int index =3D i * WORD_ALIGNMENT; + + data =3D (struct csum_ipv6_magic_data *)(random_buf + index); + + csum_result =3D csum_ipv6_magic(&data->saddr, &data->daddr, + ntohl(data->len), data->proto, + data->csum); + expected =3D (__force __sum16)htons(expected_csum_ipv6_magic[i]); + CHECK_EQ(csum_result, expected); } #endif /* !CONFIG_NET */ } --=20 2.43.0