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Bottomley" , Parisc List , 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=1708570602; l=2493; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=qIxvOuUQdTE/c11+6K8jm43GYNvTh+hoxAg5skAHgOQ=; b=qyGWK/Z1PlzRHyNHABo1Hlefxyi9yuqzzUQU2A6vNOseCkhQF7BjH+d3oAi8E4w4A0GqbAB/N hPysmTZwHfCBSH3nyJ1/cIAjCawdsElpAFDxqTTz0EO+YPyjLuNRmL/ X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791566157545717114 X-GMAIL-MSGID: 1791566157545717114 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@intel.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[] = { 0xffff0000, 0xfffffffb, }; -static const __sum16 expected_csum_ipv6_magic[] = { +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, @@ -241,7 +241,7 @@ static const __sum16 expected_csum_ipv6_magic[] = { 0x3845, 0x1014 }; -static const __sum16 expected_fast_csum[] = { +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, @@ -582,7 +582,7 @@ static void test_ip_fast_csum(struct kunit *test) 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 = + expected = (__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 = *(unsigned int *)(random_buf + i + len_offset); proto = *(random_buf + i + proto_offset); csum = *(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 */ } From patchwork Thu Feb 22 02:55:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charlie Jenkins X-Patchwork-Id: 204528 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2685:b0:108:e6aa:91d0 with SMTP id mn5csp1434660dyc; Wed, 21 Feb 2024 18:57:21 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCVKepu1uV09RYH0NTmE/ldKFQ2WqGeGInXBcfxVX7sbXVMVXLRo6q++Wk+5yj7P6Vsmezqw8OB0Mc5fus6uFtwU/8lAhA== X-Google-Smtp-Source: AGHT+IG5bVbFxTsFYdjMqkltNePt55Qw6RSRHXG3ZP4RIKVi5XBFm7XjcRGw311s8T+4L9c0yhBe X-Received: by 2002:a05:620a:56e:b0:787:31f0:b516 with SMTP id p14-20020a05620a056e00b0078731f0b516mr21053621qkp.10.1708570641666; Wed, 21 Feb 2024 18:57:21 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708570641; cv=pass; d=google.com; s=arc-20160816; b=tgKAcjSJo88bwq382V0jd9OeCBluAdWhPgB0W6ndyHPg2+b5h6D5lH5s6TA4VPCLzo fqUeIm2dMEA0KbcdTfwuJsTC5tXI7DUK0AOYFElwU+EKvvP5DHBOxQmY3F75a3A4brpe htKIlZl2aAR5n+6D7GzDrAgH1gcGZVPPH/FA6sd3+2zGDtqIe7bRG2T3ShWeWTcfvUmO losg5g4Pww+aLKsNQ7RHK/icHLaT6M11vg4T0DHlAJwncIGdRETIkUz3ne35p493A8+7 mKAxCGQyJbIzMfsLc5NZmKVrGH1U8T+TxLccrB2k6DAs/t3rC5Y+d/2kR4I38528ASjl j0Jg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:list-unsubscribe:list-subscribe:list-id:precedence :subject:date:from:dkim-signature; bh=KT/rZ6FL2Jhnla2lZCoAOJkOeld44zDy/0gcETqgMjk=; fh=tNtdWvDo8w7SzHShQa0z4vNuHKQ5oKr8G9rLuqhJxc4=; b=uE5g8IQI8ozh6cusTN22PDg+Gs6rwZ9SJ+RGwo8PONptETKGB9lSg0yrqC/OogYSbN haK39nInWIcuLSIdmhCVdQ1icicuEz7M0VCZYZFUr1iI+e1J9sObqSupW202aSD1i3xu JJ0MsiF2C7v512XF9oD1pprnHap0hn3kJPWwp8quzYn4Bsq4/wT26jsofFPhk6xtXghK 28fdjDDkDGiTcWGyrWDBpYHlmZ3sJawsl53nVQgJXEIfC0RkvE8S6v8fsXiiE/WKhOur mxjStiAVW03EGbSDIO2V/NrrV62/5nUxW/wLy3Awy134V7hWBHXX57lkWJW5qDloIuXi EhvQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=GE8QEr36; arc=pass (i=1 spf=pass spfdomain=rivosinc.com dkim=pass dkdomain=rivosinc-com.20230601.gappssmtp.com); spf=pass (google.com: domain of linux-kernel+bounces-75812-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-75812-ouuuleilei=gmail.com@vger.kernel.org" Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. 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Bottomley" , Parisc List , 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=1708570602; l=28600; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=LqmPez29JHWDDrmrfpgCp0xBuw17sT0w2KuuJ7SeNgQ=; b=Jcn+lRzU62O+8Hrng+Xqk8TBR5BAHUpjFb9bwCSJ9c6LnF189nQqJT7/DRnmC/JqRWeYTzaZ9 /53uHeZtIk/BOUzLjIV9XqtUyrlWhMwyQiYV42K8o/u13BCV7tgbk0D X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791566169256567241 X-GMAIL-MSGID: 1791566169256567241 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 @@ #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 +217,106 @@ 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 + 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, }; 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, 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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 + 0x83da, 0x2ac2, 0x6211, 0x49ba, 0x14af, 0x3045, 0x9340, 0x9cb0, 0xc3b4, + 0x5b20, 0x2cdf, 0x4e03, 0x8552, 0x6cfb, 0x37f0, 0x5386, 0xb681, 0xbff1, + 0xe6f5, 0x7e61, 0x5020, 0x916a, 0x8771, 0x6f1a, 0x3a0f, 0x55a5, 0xb8a0, + 0xc210, 0xe914, 0x8080, 0x523f, 0x9389, 0x704a, 0x6d81, 0x3876, 0x540c, + 0xb707, 0xc077, 0xe77b, 0x7ee7, 0x50a6, 0x91f0, 0x6eb1, 0xc58a, 0xfb5a, + 0x16f1, 0x79ec, 0x835c, 0xaa60, 0x41cc, 0x138b, 0x54d5, 0x3196, 0x886f, + 0x545c, 0xac6a, 0x0f66, 0x18d6, 0x3fda, 0xd745, 0xa904, 0xea4e, 0xc70f, + 0x1de9, 0xe9d5, 0x06ab, 0x687e, 0x71ee, 0x98f2, 0x305e, 0x021d, 0x4367, + 0x2028, 0x7701, 0x42ee, 0x5fc3, 0x3c73, 0x3a9f, 0x61a3, 0xf90e, 0xcacd, + 0x0c18, 0xe8d8, 0x3fb2, 0x0b9f, 0x2874, 0x0524, 0x1f07, 0x79fa, 0x1166, + 0xe324, 0x246f, 0x0130, 0x5809, 0x23f6, 0x40cb, 0x1d7b, 0x375e, 0x57d9, + 0x4671, 0x1830, 0x597a, 0x363b, 0x8d14, 0x5901, 0x75d6, 0x5286, 0x6c69, + 0x8ce4, 0xec7a, 0xfc99, 0x3de4, 0x1aa5, 0x717e, 0x3d6b, 0x5a40, 0x36f0, + 0x50d3, 0x714e, 0xd0e4, 0xaa9f, 0xdae8, 0xb7a9, 0x0e83, 0xda6f, 0xf744, + 0xd3f4, 0xedd7, 0x0e53, 0x6de9, 0x47a4, 0xc7fd, 0xae39, 0x0513, 0xd0ff, + 0xedd4, 0xca84, 0xe467, 0x04e3, 0x6479, 0x3e34, 0xbe8d, 0x3f6d, 0xde0e, + 0xa9fb, 0xc6d0, 0xa380, 0xbd63, 0xddde, 0x3d75, 0x1730, 0x9789, 0x1869, + 0x5e16, 0x1290, 0x2f65, 0x0c15, 0x25f8, 0x4673, 0xa609, 0x7fc4, 0x001e, + 0x80fd, 0xc6aa, 0x9c46, 0x5da6, 0x3a56, 0x5439, 0x74b4, 0xd44a, 0xae05, + 0x2e5f, 0xaf3e, 0xf4eb, 0xca87, 0xf556, 0xf90b, 0x12ef, 0x336a, 0x9300, + 0x6cbb, 0xed14, 0x6df4, 0xb3a1, 0x893d, 0xb40c, 0x8233, 0x362e, 0x56a9, + 0xb63f, 0x8ffa, 0x1054, 0x9133, 0xd6e0, 0xac7c, 0xd74b, 0xa572, 0x5471, + 0xffcf, 0x5f66, 0x3921, 0xb97a, 0x3a5a, 0x8007, 0x55a3, 0x8072, 0x4e99, + 0xfd97, 0x78d3, 0x9379, 0x6d34, 0xed8d, 0x6e6d, 0xb41a, 0x89b6, 0xb485, + 0x82ac, 0x31ab, 0xace6, 0xdaeb, 0x505f, 0xd0b8, 0x5198, 0x9745, 0x6ce1, + 0x97b0, 0x65d7, 0x14d6, 0x9011, 0xbe16, 0x2404, 0xf408, 0x74e8, 0xba95, + 0x9031, 0xbb00, 0x8927, 0x3826, 0xb361, 0xe166, 0x4754, 0x3984, 0x5b05, + 0xa0b2, 0x764e, 0xa11d, 0x6f44, 0x1e43, 0x997e, 0xc783, 0x2d71, 0x1fa1, + 0xded5, 0x8037, 0x55d3, 0x80a2, 0x4ec9, 0xfdc7, 0x7903, 0xa708, 0x0cf6, + 0xff25, 0xbe5a, 0xcd18, 0xf63c, 0x210c, 0xef32, 0x9e31, 0x196d, 0x4772, + 0xad5f, 0x9f8f, 0x5ec4, 0x6d82, 0x2c93, 0x4751, 0x1578, 0xc476, 0x3fb2, + 0x6db7, 0xd3a4, 0xc5d4, 0x8509, 0x93c7, 0x52d8, 0x754d, 0x951e, 0x441d, + 0xbf58, 0xed5d, 0x534b, 0x457b, 0x04b0, 0x136e, 0xd27e, 0xf4f3, 0x4b97, + 0xc33d, 0x3e79, 0x6c7e, 0xd26b, 0xc49b, 0x83d0, 0x928e, 0x519f, 0x7414, + 0xcab7, 0x5dc1, 0xf8cb, 0x26d1, 0x8cbe, 0x7eee, 0x3e23, 0x4ce1, 0x0bf2, + 0x2e67, 0x850a, 0x1814, 0xcdef, 0x5135, 0xb722, 0xa952, 0x6887, 0x7745, + 0x3656, 0x58cb, 0xaf6e, 0x4278, 0xf853, 0xb310, 0x8c53, 0x7e83, 0x3db8, + 0x4c76, 0x0b87, 0x2dfc, 0x849f, 0x17a9, 0xcd84, 0x8841, 0xc3f1, 0xb05c, + 0x6f91, 0x7e4f, 0x3d60, 0x5fd5, 0xb678, 0x4982, 0xff5d, 0xba1a, 0xf5ca, + 0xe8dc, 0xc092, 0xcf50, 0x8e61, 0xb0d6, 0x077a, 0x9a83, 0x505f, 0x0b1c, + 0x46cc, 0x39de, 0x7bb6, 0x5415, 0x1326, 0x359b, 0x8c3e, 0x1f48, 0xd523, + 0x8fe0, 0xcb90, 0xbea2, 0x007b, 0xf7a0, 0xe520, 0x0796, 0x5e39, 0xf142, + 0xa71e, 0x61db, 0x9d8b, 0x909d, 0xd275, 0xc99b, 0xb80c, 0xa1a8, 0xf84b, + 0x8b55, 0x4131, 0xfbed, 0x379e, 0x2ab0, 0x6c88, 0x63ae, 0x521f, 0x3ac3, + 0x061c, 0x9925, 0x4f01, 0x09be, 0x456e, 0x3880, 0x7a58, 0x717e, 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, }; static u8 tmp_buf[TEST_BUFLEN]; @@ -578,15 +451,19 @@ 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)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 = 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)); + 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 = ((MAX_LEN - sizeof(struct csum_ipv6_magic_data)) / WORD_ALIGNMENT); + + for (int i = 0; i < ipv6_num_tests; i++) { + int index = i * WORD_ALIGNMENT; + + data = (struct csum_ipv6_magic_data *)(random_buf + index); + + csum_result = csum_ipv6_magic(&data->saddr, &data->daddr, + ntohl(data->len), data->proto, + data->csum); + expected = (__force __sum16)htons(expected_csum_ipv6_magic[i]); + CHECK_EQ(csum_result, expected); } #endif /* !CONFIG_NET */ }